BACKGROUND OF THE INVENTION
[0001] The present invention generally relates to a connector apparatus having a male connector
assembly, a female connector assembly, and a connector position assurance (CPA) device.
The connector position assurance (CPA) device is inserted into one of the connector
assemblies to lock the male connector assembly and female connector assembly together
as an additional locking assurance.
BRIEF SUMMARY OF THE INVENTION
[0002] To ensure that the connector position assurance (CPA) device is available to connect
to the female connector assembly, the CPA device can be engaged, in a pre-lock position,
to the female connector assembly prior to transport of the female connector assembly.
[0003] The male connector assembly and female connector assembly are engaged together, and
the engagement thereof is assured when the CPA device is placed at a full-lock position.
[0004] Additional features, advantages, and embodiments of the invention are set forth or
are apparent from consideration of the following detailed description, drawings and
claims. Moreover, it is to be understood that both the foregoing summary of the invention
and the following detailed description are exemplary and are intended to provide further
explanation without limiting the scope of the invention as claimed.
BRIEF DESCRIPTION OF THE DRAWINGS
[0005]
FIG. 1 is an exploded perspective view of the connector apparatus of the present invention
having a male connector assembly, a female connector assembly, and a connector position
assurance (CPA) device.
FIG. 2 is a top perspective view of the male connector assembly, the female connector
assembly, and the CPA device, when the CPA device has been connected to the female
connector assembly and the CPA device is in the pre-lock position.
FIG. 3 is a top perspective view of the female connector assembly and the CPA device,
when the CPA device has been connected to the female connector assembly and the CPA
device is in the pre-lock position.
FIG. 4 is an end elevational view of the female connector assembly and the CPA device,
when the CPA device has been connected to the female connector assembly and the CPA
device is in the pre-lock position.
FIG. 5 is a side elevational view of the female connector assembly and the CPA device,
when the CPA device has been connected to the female connector assembly and the CPA
device is in the pre-lock position.
FIG. 6 is a cross-sectional view, taken along line 6-6 in FIG. 3, of the female connector
assembly and the CPA device, when the CPA device has been connected to the female
connector assembly and the CPA device is in the pre-lock position.
FIG. 7 is a top perspective view of the male connector assembly, the female connector
assembly, and the CPA device, when the male connector assembly has been connected
to the female connector assembly, the CPA device has been connected to the female
connector assembly, and the CPA device is in the full-lock position.
FIG. 8 is an end elevational view of the male connector assembly, the female connector
assembly, and the CPA device, when the male connector assembly has been connected
to the female connector assembly, the CPA device has been connected to the female
connector assembly, and the CPA device is in the full-lock position.
FIG. 9 is a side elevational view of the male connector assembly, the female connector
assembly, and the CPA device, when the male connector assembly has been connected
to the female connector assembly, the CPA device has been connected to the female
connector assembly, and the CPA device is in the full-lock position.
FIG. 10 is a cross-sectional view, taken along line 10-10 in FIG. 7, of the male connector
assembly, the female connector assembly, and the CPA device, when the male connector
assembly has been connected to the female connector assembly, the CPA device has been
connected to the female connector assembly, and the CPA device is in the full-lock
position.
FIG. 11 is a top elevational view of the CPA device.
FIG. 12 is a rear end elevational view of the CPA device.
FIG. 13 is a bottom elevational view of the CPA device.
FIG. 14 is a side end elevational view of the CPA device.
FIG. 15 is a front end elevational view of the CPA device.
FIG. 16 is a cross-sectional view, taken along line 16-16 in FIG. 11, of the CPA device.
FIG. 17 is a perspective view of the CPA device.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0006] FIG. 1 is an exploded perspective view of the connector apparatus of the present
invention having a male connector assembly, a female connector assembly, and a connector
position assurance (CPA) device. FIG. 1 illustrates, in an exploded perspective view,
the connector apparatus, generally referred to by reference number 1, which includes
male connector assembly 100, female connector assembly 200, and CPA device 300.
[0007] The male connector assembly 100 has an opening 102 for accommodating the female connector
assembly 200. The opening 102 can be referred to as the male connector opening 102.
The female connector assembly 200 has an opening 202 for accommodating the CPA device
300. The opening 202 can be referred to as the female connector opening 202. The female
connector assembly 200 includes a locking component 204. An aperture 220 is formed
by the locking component 204, as shown in FIG. 1.
[0008] FIG. 2 is a top perspective view of the male connector assembly 100, the female connector
assembly 200, and the CPA device 300, when the CPA device 300 has been connected to
the female connector assembly 200 and the CPA device 300 is in the pre-lock position.
In FIG. 2, a tooth of the CPA device 300 is referred to by reference numeral 312,
and a first curved upper region of the CPA device 300 is referred to by reference
numeral 302.
[0009] On the female connector assembly 200, the locking component 204 includes at least
a front portion 216 and two side portions 218, as shown in FIG. 2. In FIG. 2, the
first curved upper region 302 of the CPA device 300 is shown to be penetrating the
aperture 220 of the locking component 204.
[0010] FIG. 3 is a top perspective view of the female connector assembly 200 and the CPA
device 300, when the CPA device 300 has been connected to the female connector assembly
200 and the CPA device 300 is in the pre-lock position. The female connector assembly
200 has at least a first end 208 and a second end 210, at least one terminal aperture
212, and a top side 214. The female connector opening 202 is formed at the second
end 210 of the female connector assembly 200. The first end 208 is to be inserted
into the male connector opening 102 of the male connector assembly 100.
[0011] As shown in FIG. 3, the locking component 204 of the female connector assembly 200
is located at the top side 214.
[0012] FIG. 4 is an end elevational view of the female connector assembly 200 and the CPA
device 300, when the CPA device 300 has been connected to the female connector assembly
200 and the CPA device 300 is in the pre-lock position. FIG. 4 shows multiple terminal
apertures 212 of the female connector assembly 200, for receiving terminals (not shown).
FIG. 5 is a side elevational view of the female connector assembly 200 and the CPA
device 300, when the CPA device 300 has been connected to the female connector assembly
200 and the CPA device 300 is in the pre-lock position.
[0013] FIG. 6 is a cross-sectional view, taken along line 6-6 in FIG. 3, of the female connector
assembly 200 and the CPA device 300, when the CPA device 300 has been connected to
the female connector assembly 200 and the CPA device 300 is in the pre-lock position.
As shown in FIG. 6, the female connector assembly 200 includes the locking component
204 having a front portion 216. The front portion 216 has a front edge denoted with
reference numeral 216A and a rear edge denoted with reference numeral 216B, as shown
in FIG. 6.
[0014] As shown in FIG. 6, the CPA device 300 has been partially inserted into the female
connector opening 202 of the female connector assembly 200, and this can be referred
to as the pre-lock position. FIG. 6 demonstrates that, for the pre-lock position,
the teeth 312 have gone into the female connector assembly 200 to a position such
that the teeth 312 have passed beyond the front portion 216. The teeth 312 are abutting
and directly contacting the front edge 216A of the front portion 216, for the arrangement
as shown in FIG. 6. Only one tooth 312 is shown in FIG. 6, because FIG. 6 is a cross-sectional
view, but it can be understood that the CPA device 300 has two teeth 312 abutting
and directly contacting the front edge 216A of the front portion 216, for the arrangement
as shown in FIG. 6.
[0015] Also, FIG. 6 shows that, for the pre-lock position, the first curved upper region
302 has gone into the female connector assembly 200 to a position such that the first
curved upper region 302 has not passed beyond the front portion 216. The first curved
upper region 302 is abutting and directly contacting the rear edge 216B of the front
portion 216, as shown in FIG. 6.
[0016] In the pre-lock position shown in FIG. 6, the teeth 312 have already passed under
the front portion 216, but the first curved upper region 302 has not passed under
the front portion 216.
[0017] The arrangement shown in FIG. 6, corresponding to the pre-lock position, can be utilized
during transport of the female connector assembly and at other times.
[0018] FIG. 7 is a top perspective view of the male connector assembly 100, the female connector
assembly 200, and the CPA device 300, when the male connector assembly 100 has been
connected to the female connector assembly 200, the CPA device 300 has been connected
to the female connector assembly 200, and the CPA device 300 is in the full-lock position.
FIG. 8 is an end elevational view of the male connector assembly 100, the female connector
assembly 200, and the CPA device 300, when the male connector assembly 100 has been
connected to the female connector assembly 200, the CPA device 300 has been connected
to the female connector assembly 200, and the CPA device 300 is in the full-lock position.
FIG. 9 is a side elevational view of the male connector assembly 100, the female connector
assembly 200, and the CPA device 300, when the male connector assembly 100 has been
connected to the female connector assembly 200, the CPA device 300 has been connected
to the female connector assembly 200, and the CPA device 300 is in the full-lock position.
[0019] FIG. 10 is a cross-sectional view, taken along line 10-10 in FIG. 7, of the male
connector assembly 100, the female connector assembly 200, and the CPA device 300,
when the male connector assembly 100 has been connected to the female connector assembly
200, the CPA device 300 has been connected to the female connector assembly 200, and
the CPA device 300 is in the full-lock position.
[0020] As shown in FIG. 10, the female connector assembly 200 includes the locking component
204 having a front portion 216. Front edge 216A of the front portion 216 is shown
in FIG. 10. Also, rear edge 216B of the front portion 216 is shown in FIG. 10.
[0021] FIG. 10 also shows that male connector assembly 100 has at least one latch 104. The
male connector assembly 100 may also have additional latches. As shown in FIG. 10,
the latch 104 will be at the rear edge 216B of the front portion 216 when the male
connector assembly 100 is connected to the female connector assembly 200, the CPA
device 300 is connected to the female connector assembly 200, and the CPA device 300
is in the full-lock position. As shown in FIG. 10, the latch 104 is located between
the rear edge 216B and the second end 210 of the female connector assembly 200. Also,
as shown in FIG. 10, the latch 104 is located between the rear edge 216B and the back
322 of the CPA device 300.
[0022] The latch 104 engages the locking component 204 in order to hold the male connector
assembly 100 to the female connector assembly 200. In particular, the latch 104 engages
the front portion 216 of the locking component 204 in order to hold the male connector
assembly 100 to the female connector assembly 200. The male connector assembly 100
has a housing 122. The housing 122 forms the male connector opening 102. The latch
104 is on the interior of the housing 122, inside the male connector opening 102.
The female connector assembly 200 has a housing 222. The housing 222 forms the female
connector opening 202.
[0023] The teeth 312 engage the locking component 204 in order to hold the CPA device 300
to the female connector assembly 200 in the pre-lock position. In particular, the
teeth 312 engage the front edge 216A of the front portion 216 of the locking component
204 in order to hold the CPA device 300 to the female connector assembly 200 in the
pre-lock position.
[0024] The first curved upper region 302 engages the locking component 204 in order to hold
the male connector assembly 100 to the female connector assembly 200 in the full-lock
position. In particular, the first curved upper region 302 engages the front edge
216A of the front portion 216 of the locking component 204 in order to hold the male
connector assembly 100 to the female connector assembly 200 in the full-lock position.
[0025] As shown in FIG. 10, the CPA device 300 has been fully inserted into the female connector
opening 202 of the female connector assembly 200, and the female connector assembly
200 has been fully inserted into the male connector opening 102 of the male connector
assembly 100. This can be referred to as the full-lock position. FIG. 10 demonstrates
that the teeth 312 have gone into the female connector assembly 200 to a position
such that the teeth 312 have passed beyond the front portion 216. FIG. 10 shows that
first curved upper region 302 has gone into the female connector assembly 200 to a
position such that the first curved upper region 302 has also passed beyond the front
portion 216.
[0026] In the full-lock position as shown in FIG. 10, the first curved upper region 302
of the CPA device 300 is abutting and directly contacting the front edge 216A of the
front portion 216. In the full-lock position shown in FIG. 10, the teeth 312 have
passed under the front portion 216, and first curved upper region 302 has also passed
under the front portion 216.
[0027] FIG. 11 is a top elevational view of the CPA device 300. FIG. 12 is a rear end elevational
view of the CPA device 300. FIG. 13 is a bottom elevational view of the CPA device
300. FIG. 14 is a side end elevational view of the CPA device 300. FIG. 15 is a front
end elevational view of the CPA device 300. FIG. 16 is a cross-sectional view, taken
along line 16-16 in FIG. 11, of the CPA device 300. FIG. 17 is a perspective view
of the CPA device 300.
[0028] The CPA device 300 includes first curved upper region 302, second curved upper region
304, a pair of teeth 312, and other components as described herein. Although FIG.
17 shows an embodiment wherein the CPA device 300 has two teeth 312, it can be understood
that, according to an alternative embodiment, the CPA device 300 can be modified to
have only one tooth 312.
[0029] FIG. 11 shows that the CPA device 300 has a pair of arms 306. FIG. 17 shows an exterior
surface 306A of one of the arms 306, and also shows an interior surface 306B of one
of the arms 306. The exterior surfaces 306A of arms 306 have flat and smooth surfaces.
The exterior surfaces 306A do not have protrusions extending outward away from the
CPA device 300. Thus, the arms 306 can slide into the female connector opening 202
of the female connector assembly 200.
[0030] The CPA device 300 includes a two-component locking system having an upper component
308 and a lower component 320.
[0031] The upper component 308 can also be referred to as a flexible beam. The upper component
308 is able to flex downward toward the lower component 320, for example. The upper
component 308 extends forward from the second curved upper region 304 toward the front
316 of the CPA device 300. The upper component 308 has a front end 310 and side edges
324.
[0032] The lower component 320 extends forward from the back 322 toward the front 316 of
the CPA device 300. The lower component 320 forms an aperture 314. Edges of the lower
component 320 are curved upward. The edges of the lower component 320 are referred
to by reference numeral 318.
[0033] As shown in FIG. 11, for example, the side edges 324 are flat and smooth, and do
not have protrusions extending outward toward edges 318 of the lower component 320.
FIG. 17 also shows side edge 324 to be flat and smooth.
[0034] When the CPA device 300 is being moved from the pre-lock position to the full-lock
position, the front portion 204 forces the first curved upper region 302 to move downward
towards aperture 314 or into aperture 314.
[0035] The front end 310 of the upper component 308 has a surface that has rounded, smooth
edges, as shown in FIG. 11, for example. The front end 310 of the upper component
308 is not split into multiple different sections.
[0036] The CPA device 300, with the above-described features and structural arrangements,
allows the CPA device 300 to be in the pre-lock position and the full-lock position
when inserted into the female connector opening 202 of the female connector assembly
200. The full-lock position of the CPA device 300 assures the full engagement, and
subsequent locking, of the female connector assembly 200 to the male connector assembly
100.
[0037] A method for assembling the connector apparatus 1 shall now be described. With reference
to FIG. 1, the CPA device 300 is inserted into the female connector opening 202 of
the female connector assembly 200. The teeth 312 will travel under the front portion
216 of the female connector assembly 200. When the teeth 312 travel beyond the front
portion 216 of the female connector assembly 200, as shown in FIG. 6, and the first
curved upper region 302 has not yet passed under the front portion 216, this can be
referred to as the pre-lock position. In the pre-lock position, the first curved upper
region 302 is directly contacting the rear edge 216B, and the teeth 312 are directly
contacting the front edge 216A, as shown in FIG. 6.
[0038] Next, the male connector assembly 100 is connected to the female connector assembly
200, by inserting the female connector assembly 200 into the male connector opening
102 of the male connector assembly 100.
[0039] Last, the CPA device 300 is moved from the pre-lock position to the full-lock position
as described herein. The first curved upper region 302 will travel under the front
portion 216 of the locking component 204 of the female connector assembly 200. When
the first curved upper region 302 travels beyond the front portion 216 of the locking
component 204, as shown in FIG. 10, this is the full-lock position. In the full-lock
position, the first curved upper region 302 is directly contacting the front edge
216A, and the latch 104 is at the rear edge 216B, as shown in FIG. 10.
[0040] Although the foregoing description is directed to the preferred embodiments of the
invention, it is noted that other variations and modifications will be apparent to
those skilled in the art, and may be made without departing from the spirit or scope
of the invention. Moreover, features described in connection with one embodiment of
the invention may be used in conjunction with other embodiments, even if not explicitly
stated above.
1. A connector apparatus, comprising:
a male connector assembly including at least a male connector opening;
a female connector assembly including at least a first end, a second end, a female
connector opening at the second end, and at least one terminal aperture; and
a connector position assurance (CPA) device,
wherein the first end of the female connector assembly is accommodated in the male
connector opening, and the CPA device is accommodated in the female connector opening.
2. The connector apparatus as in claim 1, further comprising:
a locking component included on the female connector assembly,
wherein the locking component engages with the CPA device at a pre-lock position to
hold the CPA device to the female connector assembly, and the locking component engages
with the CPA device at a full-lock position to hold the female connector assembly
to the male connector assembly.
3. The connector apparatus as in claim 2, further comprising:
at least one tooth included on the CPA device; and
a first curved upper region included on the CPA device,
wherein the at least one tooth engages with the locking component at a pre-lock position
to hold the CPA device to the female connector assembly, and the first curved upper
region engages with the locking component at a full-lock position to hold the female
connector assembly to the male connector assembly.
4. A female connector assembly, comprising:
a housing forming a female connector opening;
a top side having a locking component; and
at least one terminal aperture.
5. The female connector assembly as in claim 4, wherein the female connector opening
accommodates a connector position assurance (CPA) device.
6. The female connector assembly as in claim 5, wherein the locking component engages
with the CPA device at a pre-lock position to hold the CPA device to the female connector
assembly.
7. The female connector assembly as in claim 6, wherein the housing is accommodated in
a male connector assembly.
8. The female connector assembly as in claim 7, wherein the locking component engages
with the CPA device at a full-lock position to hold the male connector assembly to
the female connector assembly.
9. A male connector assembly, comprising:
a housing forming a male connector opening; and
a latch formed on an interior of the housing to hold the male connector assembly to
a second assembly.
10. The male connector assembly as in claim 9, wherein the second assembly corresponds
to a female connector assembly having a locking component.
11. The male connector assembly as in claim 10, wherein the male connector opening accommodates
the female connector assembly.
12. The male connector assembly as in claim 11, further comprising a connector position
assurance (CPA) device, wherein the CPA device is accommodated by a female connector
opening formed by the female connector assembly.
13. The male connector assembly as in claim 12, wherein the locking component engages
with the CPA device at a pre-lock position to hold the CPA device to the female connector
assembly.
14. The male connector assembly as in claim 13, wherein the latch and the locking component
engage with the CPA device at a full-lock position to hold the male connector assembly
to the female connector assembly.
15. A method of assembling a connector apparatus, comprising the steps of:
providing a female connector assembly having a housing forming a female connector
opening, a locking component, and at least one terminal aperture;
accommodating a connector position assurance (CPA) device in the female connector
opening of the female connector assembly, wherein the CPA device includes at least
one tooth, a first curved upper region, and a pair of arms;
providing a male connector assembly having a housing forming a male connector opening
and at least one latch; and
accommodating the female connector assembly into the male connector opening of the
male connector assembly.
16. The method of assembling the connector apparatus as in claim 15, further comprising
a step of engaging the first curved upper region of the CPA device with the locking
component of the female connector assembly.
17. The method of assembling the connector apparatus as in claim 15, wherein the step
of accommodating the CPA device in the female connector opening of the female connector
assembly further comprises a step of engaging the at least one tooth of the CPA device
with the locking component of the female connector assembly.
18. The method of assembling the connector apparatus as in claim 17, further comprising
a step of engaging the first curved upper region of the CPA device with the locking
component of the female connector assembly.
19. The method of assembling the connector apparatus as in claim 18, wherein the step
of accommodating the female connector assembly into the male connector opening of
the male connector assembly further comprises a step of engaging the at least one
latch of the male connector assembly with the locking component of the female connector
assembly.
20. The method of assembling the connector apparatus as in claim 19, wherein the step
of accommodating the CPA device in the female connector opening of the female connector
assembly further comprises a step of sliding the pair of arms into the female connector
opening of the female connector assembly.