CN110391532B

CN110391532B - Connector

Info

Publication number: CN110391532B
Application number: CN201810353975.0A
Authority: CN
Inventors: 黄永建; 丁通豹; 李胜; 库玛·P·K·森希尔
Original assignee: Tyco Electronics Shanghai Co Ltd; TE Connectivity India Pvt Ltd
Current assignee: Tyco Electronics Shanghai Co Ltd; TE Connectivity India Pvt Ltd
Priority date: 2018-04-19
Filing date: 2018-04-19
Publication date: 2021-04-23
Anticipated expiration: 2038-04-19
Also published as: CN110391532A

Abstract

The invention discloses a connector, comprising: a housing having a first port and a second port; and a conductive terminal accommodated in the housing, the conductive terminal being adapted to be electrically connected to protrude from the first port A cable in the housing and a terminal extending into the housing from the second port. The connector also includes: a first elastomeric seal mounted in the first port of the housing and wrapping over the cable to seal the first port; and a second elastomeric seal mounted on the first port in the second port of the housing and wrapped around the terminal to seal the second port. In the present invention, the first port for inserting the cable and the second port for inserting the terminal are respectively provided with an elastic sealing member, so that the first port and the second port can be sealed, and the connector is improved. waterproof sealing performance.

Description

Connector with a locking member

Technical Field

The present invention relates to a connector.

Background

In the prior art, a connector for electrically connecting a cable to a compressor generally comprises an insulating housing and conductive terminals housed in the insulating housing. One end of the conductive terminal is electrically connected with a cable extending into the insulating shell, and the other end of the conductive terminal is electrically connected with a binding post of a compressor inserted into the connector. Thus, the cable is electrically connected to the compressor.

In the prior art, the insulative housing of the connector is typically made using an insert molding process, which generally does not require waterproofing of the connector. There are gaps between the insulating housing and the cable and post through which moisture can enter the interior of the connector.

Disclosure of Invention

An object of the present invention is to solve at least one of the above problems and disadvantages in the prior art.

According to an aspect of the present invention, there is provided a connector including: a housing having a first port and a second port; and a conductive terminal housed in the housing, the conductive terminal being adapted to electrically connect a cable extending into the housing from the first port and a terminal extending into the housing from the second port. The connector further includes: a first resilient seal mounted in the first port of the housing and wrapped over the cable to seal the first port; and a second elastic sealing member installed in the second port of the housing and wrapped around the post to seal the second port.

According to an exemplary embodiment of the present invention, a first through hole allowing the cable to pass therethrough is formed on the first elastic sealing member, and the cable is interference-fitted with the first through hole to seal a fitting interface between the first elastic sealing member and the cable.

According to another exemplary embodiment of the present invention, a second through hole allowing the terminal post to pass through is formed on the second elastic sealing member, and the terminal post is in interference fit with the second through hole to seal a fitting interface between the second elastic sealing member and the terminal post.

According to another exemplary embodiment of the present invention, the first resilient sealing element interferingly engages with the first port to seal the mating interface between the first resilient sealing element and the first port.

According to another exemplary embodiment of the present invention, the second resilient sealing member is in interference fit with the second port to seal a mating interface between the second resilient sealing member and the second port.

According to another exemplary embodiment of the present invention, the first port is formed on a side of the housing, and the second port is formed on a bottom of the housing.

According to another exemplary embodiment of the present invention, the connector further comprises a base fixedly installed on the bottom of the housing, the base having an opening formed therein to allow the terminal post to pass therethrough; the second resilient seal is compressed between the base and the housing to seal a mating interface between the base and the housing.

According to another exemplary embodiment of the present invention, the second resilient seal comprises a base, a first projection on one side of the base, and a second projection on the other side of the base; the base is compressed between the top surface of the chassis and the bottom surface of the housing, the first boss is inserted into and interference fit with the second port, and the second boss is inserted into and interference fit with the opening of the chassis.

According to another exemplary embodiment of the present invention, the base comprises a base plate and a resilient catch provided on the base plate, the resilient catch being adapted to catch onto a side wall of the housing.

According to another exemplary embodiment of the present invention, a catching groove is formed on the elastic catch, and a protrusion adapted to be caught into the catching groove of the elastic catch is formed on a side wall of the housing.

According to another exemplary embodiment of the invention, the connector is adapted for electrically connecting the cable to an electrical device having a connection terminal with the terminal stud.

According to another exemplary embodiment of the present invention, the connection terminal has a top wall, and the post protrudes outward from the top wall of the connection terminal.

According to another exemplary embodiment of the present invention, the base is adapted to be supported on a top wall of the connection terminal.

According to another exemplary embodiment of the present invention, one end of the conductive terminal is formed with a crimping portion adapted to be crimped onto the cable, and the other end is formed with an elastic clip adapted to hold the post.

According to another exemplary embodiment of the present invention, a longitudinal slit is formed on a sidewall of the first through hole of the first elastic sealing member to facilitate insertion of the cable into the first through hole.

According to another exemplary embodiment of the present invention, the housing has a bottom wall which is concavely provided in the second port of the housing, and a through hole for allowing the terminal post to pass therethrough is formed on the bottom wall.

According to another exemplary embodiment of the invention, the first projection of the second resilient seal is inserted into the second port of the housing and abuts against the bottom surface of the bottom wall.

In the foregoing exemplary embodiment of the present invention, an elastic sealing member is respectively disposed at the first port for inserting a cable and the second port for inserting a terminal of the housing, so that the first port and the second port can be sealed, thereby improving the waterproof sealing performance of the connector.

Other objects and advantages of the present invention will become apparent from the following description of the invention which refers to the accompanying drawings, and may assist in a comprehensive understanding of the invention.

Drawings

FIG. 1 shows a perspective view of a connector according to an example embodiment of the invention;

FIG. 2 shows an exploded view of the connector shown in FIG. 1;

FIG. 3 shows a schematic view of the connector of FIG. 1 mounted to an electrical device;

FIG. 4 shows a cross-sectional view of the connector mounted to an electrical device;

FIG. 5 shows an exploded view of the electrical device and connector shown in FIG. 3;

FIG. 6 shows an exploded schematic view of the electrical device and connector shown in FIG. 3, as viewed from the bottom;

fig. 7 is an enlarged perspective view of the housing and conductive terminals of the connector shown in fig. 6.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as limiting the invention.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.

According to one general technical concept of the present invention, there is provided a connector including: a housing having a first port and a second port; and a conductive terminal housed in the housing, the conductive terminal being adapted to electrically connect a cable extending into the housing from the first port and a terminal extending into the housing from the second port. The connector further includes: a first resilient seal mounted in the first port of the housing and wrapped over the cable to seal the first port; and a second elastic sealing member installed in the second port of the housing and wrapped around the post to seal the second port.

FIG. 1 shows a perspective view of a connector according to an example embodiment of the invention; fig. 2 shows an exploded view of the connector shown in fig. 1.

As shown in fig. 1 and 2, in the illustrated embodiment, the connector mainly includes: a housing 110 and conductive terminals 140. The housing 110 has a first port 101 and a second port 102. The conductive terminals 140 are accommodated in the housing 110.

Fig. 3 shows a schematic view of the connector 100 shown in fig. 1 mounted to an electrical device (e.g., a compressor) 200; fig. 4 shows a cross-sectional view of the connector 100 mounted to the electrical appliance 200.

As shown in fig. 2-4, in the illustrated embodiment, the conductive terminal 140 is adapted to electrically connect the cable 10 extending from the first port 101 into the housing 110 and the post 211 extending from the second port 102 into the housing 110.

As shown in fig. 1 to 4, in the illustrated embodiment, the aforementioned connector further comprises: a first resilient seal 130 and a second resilient seal 150. A first elastomeric seal 130 is mounted in the first port 101 of the housing 110 and wraps around the cable 10 to seal the first port 101. A second elastomeric seal 150 is mounted in the second port 102 of the housing 110 and wraps over the post 211 to seal the second port 102. Thus, the first port 101 and the second port 102 of the connector are sealed, thereby improving the waterproof sealing performance of the connector.

As shown in fig. 1 to 4, in the illustrated embodiment, a first through hole 131 allowing the cable 10 to pass therethrough is formed on the first elastic sealing member 130. The cable 10 is interference fitted with the first through hole 131 to seal the fitting interface between the first elastic sealing member 130 and the cable 10.

As shown in fig. 1 to 4, in the illustrated embodiment, a second through hole 154 allowing the post 211 to pass therethrough is formed in the second elastic seal 150. The post 211 is interference fit with the second through-hole 154 to seal the mating interface between the second elastomeric seal 150 and the post 211.

As shown in fig. 1-4, in the illustrated embodiment, the first resilient seal 130 is an interference fit with the first port 101 to seal the mating interface between the first resilient seal 130 and the first port 101.

As shown in fig. 1-4, in the illustrated embodiment, the second resilient seal 150 is an interference fit with the second port 102 to seal the mating interface between the second resilient seal 150 and the second port 102.

FIG. 5 shows an exploded view of the electrical device and connector shown in FIG. 3; fig. 6 shows an exploded view of the electrical device and connector shown in fig. 3, as viewed from the bottom.

As shown in fig. 1 to 6, in the illustrated embodiment, the first port 101 is formed on a side portion of the housing 110, and the second port 102 is formed on a bottom portion of the housing 110.

As shown in fig. 1 to 6, in the illustrated embodiment, the connector further includes a base 120, the base 120 is fixedly installed on the bottom of the housing 110, and an opening 123 allowing the post 211 to pass therethrough is formed on the base 120.

As shown in fig. 1-6, in the illustrated embodiment, the second resilient seal 150 is compressed between the base 120 and the housing 110 to seal the mating interface between the base 120 and the housing 110.

As shown in fig. 2 and 4, in the illustrated embodiment, the second resilient seal 150 includes a base 153, a first raised portion 151 on one side of the base 153, and a second raised portion 152 on the other side of the base 153.

As shown in fig. 2 and 4, in the illustrated embodiment, the base 153 of the second resilient seal 150 is compressed between the top surface of the base 120 and the bottom surface of the housing 110, the first boss 151 is inserted into the second port 102 and interference-fitted with the second port 102, and the second boss 152 is inserted into the opening 123 of the base 120 and interference-fitted with the opening 123.

Fig. 7 is an enlarged perspective view of the housing 110 and the conductive terminals 140 of the connector shown in fig. 6.

As shown in fig. 2 and 4-7, in the illustrated embodiment, the housing 110 has a bottom wall 113, and the bottom wall 113 is recessed within the second port 102 of the housing 110. The first raised portion 151 of the second resilient seal 150 is inserted into the second port 102 and abuts against the bottom wall 113 of the housing 110.

As shown in fig. 2 and 4 to 7, in the illustrated embodiment, a through hole 114 allowing the post 211 to pass therethrough is formed on the bottom wall 113 of the housing 110. The post 211 may be inserted into the housing 110 through the through hole 114 and electrically contacted with the conductive terminal 140 in the housing 110.

As shown in fig. 2 and 4 to 7, in the illustrated embodiment, the conductive terminal 140 is formed at one end with a press-contact portion 141 adapted to be pressed against the cable 10 and at the other end with a resilient clip 142 adapted to hold the post 211. The spring clip 142 includes at least one pair of opposing spring clip arms.

As shown in fig. 2 and 4-7, in the illustrated embodiment, the conductive terminal 140 has an opening 144 formed therein to allow the post 211 to pass therethrough. The post 211 is insertable through the opening 144 between the resilient retaining arms of the resilient clip 142 to be retained on the resilient clip 142 of the conductive terminal 140 for electrical contact with the conductive terminal 140.

As shown in fig. 1 to 4, in the illustrated embodiment, the base 120 includes a base plate 122 and a resilient catch 121 disposed on the base plate 122, the resilient catch 121 being adapted to catch on the sidewall 111 of the housing 110.

As shown in fig. 1 to 4, in the illustrated embodiment, a catching groove 121a is formed on the elastic catch 121, and a protrusion 111a is formed on the side wall 111 of the housing 110, and the protrusion 111a is adapted to be caught in the catching groove 121a of the elastic catch 121.

As shown in fig. 1 to 4, in the illustrated embodiment, the connector 100 is adapted to electrically connect the cable 10 to an electrical appliance 200 (e.g., a compressor), the electrical appliance 200 having a connection terminal 210, the connection terminal 210 having a post 211.

As shown in fig. 1-4, in the illustrated embodiment, the connection terminal 210 has a top wall 212. The post 211 protrudes outward from the top wall 212 of the connection terminal 210.

As shown in fig. 1-4, in the illustrated embodiment, the base 120 of the connector 100 is adapted to be supported on the top wall 212 of the connection terminal 210.

As shown in fig. 1 to 4, in the illustrated embodiment, a longitudinal slit 132 is formed on a sidewall of the first through hole 131 of the first elastic sealing member 130, so that difficulty in inserting the cable 10 into the first through hole 131 of the first elastic sealing member 130 can be reduced. However, the present invention is not limited to the illustrated embodiment, and a longitudinal slit may not be formed on the sidewall of the first through hole 131 of the first elastic sealing member 130. If a longitudinal slit is not formed on the sidewall of the first through-hole 131, an insertion force may be relatively large when the cable 10 is inserted into the first through-hole 131 of the first elastic sealing member 130.

It will be appreciated by those skilled in the art that the embodiments described above are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle.

Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of preferred embodiments of the present invention and should not be construed as limiting the invention.

Although a few embodiments of the present general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the appended claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Furthermore, any reference signs in the claims shall not be construed as limiting the scope of the invention.

Claims

1. A connector, comprising:

a housing (110) having a first port (101) and a second port (102); and

a conductive terminal (140) accommodated in the housing (110),

the conductive terminal (140) is adapted to electrically connect a cable (10) extending from the first port (101) into the housing (110) and a terminal post (211) extending from the second port (102) into the housing (110),

characterized in that the connector further comprises:

a first resilient seal (130) mounted in the first port (101) of the housing (110) and wrapped over the cable (10) so as to seal the first port (101); and

a second elastic seal (150) installed in the second port (102) of the housing (110) and wrapped on the post (211) so as to seal the second port (102),

the first port (101) is formed on a side portion of the housing (110), the second port (102) is formed on a bottom portion of the housing (110), the connector further includes a base (120), the base (120) is fixedly mounted on the bottom portion of the housing (110), and an opening (123) allowing the terminal post (211) to pass through is formed on the base (120);

the second elastic sealing member (150) comprises a base (153), a first boss (151) located on one side of the base (153), and a second boss (152) located on the other side of the base (153), wherein the base (153) is pressed between the top surface of the base (120) and the bottom surface of the housing (110), the first boss (151) is inserted into the second port (102) and is in interference fit with the second port (102), and the second boss (152) is inserted into the opening (123) of the base (120) and is in interference fit with the opening (123).

2. The connector of claim 1, wherein:

a first through hole (131) allowing the cable (10) to pass through is formed on the first elastic sealing member (130), and the cable (10) is in interference fit with the first through hole (131) to seal a fit interface between the first elastic sealing member (130) and the cable (10).

3. The connector of claim 2, wherein:

a second through hole (154) allowing the terminal post (211) to pass through is formed on the second elastic sealing member (150), and the terminal post (211) is in interference fit with the second through hole (154) to seal a fitting interface between the second elastic sealing member (150) and the terminal post (211).

4. The connector of claim 2, wherein:

the first resilient seal (130) is an interference fit with the first port (101) to seal a mating interface between the first resilient seal (130) and the first port (101).

5. The connector of claim 3, wherein:

the second resilient seal (150) is an interference fit with the second port (102) to seal a mating interface between the second resilient seal (150) and the second port (102).

6. The connector of claim 1, wherein:

the base (120) comprises a base plate (122) and an elastic buckle (121) arranged on the base plate (122), wherein the elastic buckle (121) is suitable for being buckled on the side wall (111) of the shell (110).

7. The connector of claim 6, wherein:

a clamping groove (121a) is formed on the elastic buckle (121), and a protrusion (111a) is formed on the side wall (111) of the shell (110), wherein the protrusion (111a) is suitable for being locked into the clamping groove (121a) of the elastic buckle (121).

8. The connector of claim 1, wherein:

the connector (100) is adapted to electrically connect the cable (10) to an electrical appliance (200), the electrical appliance (200) having a connection terminal (210), the connection terminal (210) having the post (211).

9. The connector of claim 8, wherein:

the connection terminal (210) has a top wall (212), and the post (211) protrudes outward from the top wall (212) of the connection terminal (210).

10. The connector of claim 9, wherein:

the base (120) is adapted to be supported on a top wall (212) of the connection terminal (210).

11. The connector of claim 1, wherein:

one end of the conductive terminal (140) is provided with a press-connection part (141) which is suitable for being pressed on the cable (10), and the other end is provided with an elastic clip (142) which is suitable for clamping the binding post (211).

12. The connector of claim 2, wherein:

a longitudinal slit (132) is formed on a sidewall of a first through hole (131) of the first elastic sealing member (130) to facilitate insertion of the cable (10) into the first through hole (131).

13. The connector of claim 1, wherein:

the shell (110) is provided with a bottom wall (113), the bottom wall (113) is concavely arranged in the second port (102) of the shell (110), and a through hole (114) allowing the wiring post (211) to pass through is formed on the bottom wall (113).

14. The connector of claim 13, wherein:

the first projection (151) of the second resilient seal (150) is inserted into the second port (102) of the housing (110) and abuts against the bottom surface of the bottom wall (113).