CN218648194U - Connector and connector assembly - Google Patents

Abstract

A connector having a mating end adapted to connect with a mating connector and a terminal end adapted to connect with a cable is provided. The connector includes a housing having a through hole that accommodates the cable and a conductive terminal connected to the cable, and the housing being formed with an accommodation chamber communicating with the through hole at the terminal end; the grommet seal has a perforation adapted for the cable to pass through and is adapted to be received within the receiving cavity; wherein the edge of the receiving cavity at the terminal is provided with a protrusion protruding toward the inside of the receiving cavity so as to lock the grommet seal within the receiving cavity. The present application further provides a connector assembly including the connector and a counterpart connector.

Description

Connectors and Connector Assemblies

technical field

The present application relates to a connector and a connector assembly including the connector and a mating connector.

Background technique

The connector is usually provided with a grommet seal at the end where it is connected to the cable to prevent dirt such as water and dust from entering the interior of the connector, and an end cap is also provided at the rear of the grommet seal to Prevents the grommet seal from falling out. However, this type of connector has too many components, and its structure is relatively complicated, and the assembly is time-consuming and labor-intensive. In addition, plug connectors are provided with an interface seal on the plug end thereof, however such interface seals are prone to fall off from the connector.

Utility model content

The present application is made in order to overcome at least one of the above and other problems and disadvantages of the prior art.

Embodiments of the present application provide a connector, the connector has a plug end suitable for connecting with a mating connector and a terminal end suitable for connecting with a cable. The connector includes a housing and a grommet seal, the housing has a through hole for receiving the cable and a conductive terminal connected to the cable, and the housing is formed at the terminal with a an accommodating cavity communicated by the through hole; the grommet seal has a perforation suitable for the cable to pass through, and the grommet seal is adapted to be accommodated in the accommodating cavity; wherein the accommodating cavity An edge of the terminal is provided with a protrusion protruding toward the interior of the receiving cavity, so as to lock the grommet seal in the receiving cavity.

In some embodiments, a plurality of protrusions are provided at the edges of the four side walls of the receiving chamber, so that when the grommet seal is received in the receiving chamber, the plurality of protrusions are along the The four side walls of the receiving cavity circumferentially abut against the outer end surface of the grommet seal, thereby locking the grommet seal within the receiving cavity.

In some embodiments, the plurality of protruding parts are integrally formed on the inner surface of the receiving cavity by strong demoulding.

In some embodiments, the plurality of protrusions are formed on the inner surface of the receiving cavity with a slanted top, so that the surface of each protrusion facing the side of the terminal is inclined relative to the inner surface of the receiving cavity , so as to facilitate embedding the grommet seal into the accommodating cavity.

In some embodiments, the grommet seal has elasticity, so that the grommet seal is tightly accommodated in the accommodating cavity and tightly sleeved on the outer periphery of the cable.

In some embodiments, the connector is a plug connector, wherein the plug connector further includes an interface seal having a central opening so that the interface seal fits over the housing of the plug connector The body is located on the outer surface of the mating end.

In some embodiments, a plurality of interface protrusions are formed on the four outer surfaces of the housing of the plug connector at the plug end, so that when the interface seal is sleeved on the plug connector of the plug connector When on the outer surface of the spigot end, the plurality of interface protrusions abut against the interface seal circumferentially along the outer surface of the spigot end to prevent disengagement of the interface seal.

In some embodiments, the interface protrusion is formed on the outer surface of the housing of the plug connector along the length direction of the housing.

In some embodiments, the interface seal has elasticity, so that the interface seal is tightly sleeved on the outer surface of the housing of the plug connector.

In some embodiments, the mating connector is a socket connector whose mating end is adapted to receive the mating end of the plug connector, and the interface seal is adapted to connect between the plug connector and the plug connector. When connected, the slot connector is positioned between the outer surface of the mating end of the plug connector and the inner surface of the mating end of the socket connector.

In some embodiments, the connector is a socket connector adapted to connect with a plug connector as a mating connector.

In some embodiments, the mating connector is a plug connector, and a plurality of interface protrusions are provided on the outer surface of the plug end of the plug connector adapted to be connected with the socket connector. A plurality of grooves are formed on the inner surface of the side wall of the mating end of the socket connector adapted to engage the plug connection when the plug connector is inserted into the socket connector. The plurality of interface protrusions of the device.

Embodiments of the present application also provide a connector assembly, which includes a plug connector and a socket connector according to the present application that can be connected to each other, wherein the plug end of the plug connector is suitable for inserting into the plug end of the socket connector to establish an electrical connection.

In some embodiments, a first engagement portion is formed on the outer surface of the housing of the plug connector between the plug end and the terminal end of the plug connector, and the socket connector is plugged in therein. A second engagement portion is formed on the outer surface of the contact end, so that when the plug end of the plug connector is inserted into the plug end of the socket connector, the first engagement portion and the second engagement portion Joint joint.

In some embodiments, the first engagement portion includes two sides extending along the plugging direction on the outer surface of the housing of the plug connector between the plug end and the terminal end of the plug connector. A wall and a transverse connecting portion connecting the two side walls, and a part of the two side walls and the transverse connecting portion overhang the plug end of the plug connector to form an opening; the second The engagement portion is formed as a protrusion on the outer surface at the mating end of the socket connector, the protrusion being adapted to be inserted into the socket connector at the mating end of the plug connector. The mating end fits within the opening when in place, thereby securely engaging the plug connector with the receptacle connector.

Through various embodiments of the present application, a plurality of protrusions are provided at the edge of the receiving cavity of the terminal connected with the cable to prevent the grommet seal from falling off from the connector, thereby reducing the zero cost of the connector. The number of parts. In addition, a plurality of protrusions are provided on the plug end of the plug connector to prevent the interface seal from falling off.

Other objects and advantages of the present application will be apparent from the following description of the present application with reference to the accompanying drawings, and can help to have a comprehensive understanding of the present application.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the accompanying drawings of the embodiments will be briefly described below. It should be known that the drawings described below only relate to some embodiments of the present application, rather than limiting the present application. In the attached picture:

FIG. 1 shows a perspective view of a plug connector with a grommet seal, interface seal and cable removed, according to an embodiment of the present application.

2 illustrates a perspective view of a plug connector with a grommet seal and an interface seal, according to an embodiment of the application.

3 illustrates a perspective view of a plug connector with a grommet seal, interface seal, and cable, according to an embodiment of the application.

FIG. 4 shows a perspective view of a socket connector according to an embodiment of the application.

FIG. 5 shows another perspective view of a socket connector according to an embodiment of the application.

FIG. 6 shows a perspective view of a connector assembly in which a plug connector and a socket connector are connected together according to an embodiment of the present application.

FIG. 7 shows another perspective view of a connector assembly in which a plug connector and a socket connector are connected together according to an embodiment of the present application.

FIG. 8 shows a cross-sectional view taken along line A-A in FIG. 7 according to an embodiment of the present application.

9 illustrates a perspective view of a grommet seal according to an embodiment of the application.

Figure 10 shows a perspective view of an interface seal according to an embodiment of the application.

Detailed ways

Embodiments of the present application will be described below with reference to the drawings. The same reference numerals and symbols shown in the drawings of the present application designate elements or components that perform substantially the same function.

Furthermore, the terms used herein are used to describe the embodiments, and are not intended to limit and/or constrain the application. Unless the context clearly dictates otherwise, the singular forms "a", "an" and "the" and "the" are intended to include the plural forms as well. In this application, "comprising", "comprising", "having" and similar terms are used to enumerate features, quantities, steps, operations, elements, parts or combinations thereof, but do not exclude the presence or addition of said features, quantities, One or more of steps, operations, elements, components, or combinations thereof.

Although the terms "first", "second", "third", etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and a second element could be termed a first element, without departing from the scope of the present application. The term "and/or" includes a plurality of combinations of the associated items or any one of the plurality of associated items.

In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. 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 schematically in order to simplify the drawings.

Embodiments of various aspects of the present application provide a connector, which has a plug end adapted to be connected to a mating connector and a terminal end adapted to be connected to a cable. The connector includes a housing and a grommet seal. The housing has a through hole for accommodating a cable and a conductive terminal connected to the cable, and an accommodating cavity communicating with the through hole is formed at the terminal of the housing. The grommet seal has a perforation for a cable to pass through and is adapted to be accommodated in the receiving cavity. A protruding portion protruding toward the interior of the accommodating cavity is provided on the edge of the accommodating cavity located at the terminal, so as to lock the grommet seal in the accommodating cavity.

The connector provided in this application is a plug connector 100 , as best shown in FIGS. 1 to 3 . The plug connector 100 has a first plug end 101 adapted to be connected to the socket connector 200 and a first terminal 102 adapted to be connected to the first cable 300 .

As shown in FIGS. 1 to 3 , the plug connector 100 includes a plug housing 110 and a first grommet seal 400 . The plug housing 110 has a first through hole 111 for accommodating a first cable 300 and a first conductive terminal 301 connected to the first cable. The plug housing 110 forms a first accommodating cavity 112 at the first terminal 102 communicating with the first through hole. The first grommet seal 400 has a first through hole 401 adapted for passing the first cable 300 , and the first grommet seal is adapted to be accommodated in the first accommodation cavity 112 . A first protruding portion 113 protruding toward the interior of the first receiving cavity 112 is provided at an edge of the first terminal 102 so as to lock the first grommet seal 400 in the first receiving cavity 112 . Inside the first accommodating chamber 112 .

A cross-sectional size of a portion of the plug housing 110 at the first plug end 101 is smaller than a cross-sectional size of a portion of the plug housing 110 between the first plug end 101 and the first terminal 102 .

In some embodiments, a plurality of first protrusions 113 are provided at the edges of the four side walls of the first receiving chamber 112 , so that when the first grommet seal 400 is received in the first receiving chamber 112 The plurality of first protrusions 113 abut against the outer end surface of the first grommet seal 400 circumferentially along the four side walls of the first receiving cavity 112 , thereby locking the first grommet seal 400 in the Inside the first receiving cavity 112 .

In some embodiments, the first protruding portion 113 is integrally formed on the inner surface of the first receiving cavity 112 through strong demoulding.

In some embodiments, the first protruding portion 113 is obliquely formed on the inner surface of the first receiving cavity 112, so that the surface of each first protruding portion 113 facing the first terminal 102 is opposite to the first receiving cavity. The inner surface of 112 is sloped to facilitate insertion of the first grommet seal 400 into the first receiving cavity.

As shown in FIG. 3 , the first grommet seal 400 has elasticity, so that the first grommet seal is tightly accommodated in the first receiving chamber 112 and tightly sleeved on the outer periphery of the first cable 300 to prevent Contaminants such as water and dust get inside the plug connector.

As shown in FIGS. 2 and 3 , in some embodiments, the plug connector 100 further includes an interface seal 500, and the interface seal 500 has a central opening 501 (as shown in FIG. 10 ), so that the interface is sealed. A piece is sleeved on the outer surface of the plug housing 110 at the first plug end 101 .

As shown in FIGS. 1 to 3 , in some embodiments, a plurality of interface protrusions 114 are formed on the four outer surfaces of the plug housing 110 located at the first insertion end 101 , so that when the interface seal 500 is sleeved While on the outer surface of the first spigot end 101 , the plurality of interface protrusions 114 abut against the interface seal 500 circumferentially along the outer surface of the first spigot end 101 to prevent the interface seal from disengaging.

In some embodiments, the interface protrusion 114 is formed on the outer surface of the plug housing 110 along the length direction of the plug housing.

The interface seal 500 has elasticity, so that the interface seal is tightly sleeved on the outer surface of the housing 110 of the plug connector.

When the plug connector 100 is connected to the socket connector 200, the interface seal 500 is adapted to be positioned between the outer surface of the first plug end 101 of the plug connector and the second plug end of the socket connector. 201 between the inner surfaces.

The connector provided in the present application is a socket connector 200 , as best shown in FIG. 4 and FIG. 5 . The socket connector 200 has a second plug end 201 suitable for connecting with the plug connector 100 and a second terminal 202 suitable for connecting with the second cable 600 .

The socket connector 200 includes a socket housing 210 and a second grommet seal 700 . The socket housing 210 has a second through hole 211 for receiving a second cable 600 and a second conductive terminal 601 connected to the second cable. The socket housing 210 forms a second accommodating chamber 212 at the second terminal 202 communicating with the second through hole. The first grommet seal 700 has a second through hole 701 adapted for passing the second cable 600 , and the second grommet seal is adapted to be accommodated in the second receiving cavity 212 . The edge of the second receiving chamber 212 located at the second terminal 202 is provided with a second protruding portion 213 protruding toward the inside of the second receiving chamber, so as to lock the second grommet seal 700 in the second receiving chamber. Inside the chamber 212.

The socket housing 210 is formed with an open recess at the second insertion end 201 for receiving the first insertion end 101 of the plug connector 100 .

In some embodiments, a plurality of second protrusions 213 are provided on the four side walls of the second receiving cavity 212 , so that when the second grommet seal 700 is received in the second receiving cavity 212 , the multiple second protrusions 213 The second protrusions 213 abut against the outer end surface of the second grommet seal 700 circumferentially along the four side walls of the second receiving cavity, thereby locking the second grommet seal 700 in the second receiving cavity 212 .

In some embodiments, the second protruding portion 213 is integrally formed on the inner surface of the second receiving cavity 212 through strong demoulding.

In some embodiments, the second protruding portion 213 is obliquely formed on the inner surface of the second receiving cavity 212, so that the surface of each second protruding portion 213 facing the second terminal 202 is opposite to the second The inner surface of the receiving cavity 212 is inclined, so as to facilitate embedding the second grommet seal 700 in the second receiving cavity 212 .

In some embodiments, a plurality of grooves 214 are formed on the inner surface of the side wall of the second plugging end 201 , so that when the first plugging end 101 of the plug connector 100 is inserted into the second plugging end 101 of the socket connector 200 When the terminal 202 is in the plug connector, the plurality of interface protrusions 114 located on the outer surface of the first plug end 101 are adapted to be embedded in the plurality of grooves 214 .

The second grommet seal 700 has elasticity, so that the second grommet seal is tightly accommodated in the second accommodating cavity 212 and tightly sleeved on the outer periphery of the second cable 600 to prevent such as Contaminants such as water and dust get inside the socket connector.

In some embodiments, the second grommet seal 700 is the same shape, size, material, etc. as the first grommet seal 400 . In some other embodiments, the second grommet seal 700 is different than the first grommet seal 400 .

As shown in FIGS. 6 to 8 , an embodiment of the present application further provides a connector assembly, which includes the plug connector 100 and the socket connector 200 according to the foregoing embodiments, which can be connected to each other, wherein The first insertion end 101 of the plug connector 100 is adapted to be inserted into the second insertion end 201 of the socket connector 200 to establish an electrical connection.

In addition, as better shown in FIGS. 115. The socket connector 200 has a second engagement portion 215 formed on the outer surface of the second insertion end 201 thereof. When the first insertion end 101 of the plug connector 100 is inserted into the second insertion end 201 of the receptacle connector 200 , the first engaging portion 115 engages with the second engaging portion 215 .

The first engagement portion 115 includes two side walls along the plugging direction on the outer surface of the plug housing 110 between the first plug end 101 and the first terminal 102 and two side walls on the two side walls and a part of the two side walls and the transverse connection part overhang the first plug end 101 to form an opening. A raised portion is formed on the outer surface of the second plug end 201 of the socket connector 200 , and the raised portion serves as the second engaging portion 215 of the socket connector 200 and is suitable for connecting to the first plug connector 100 . A plug end 101 is inserted into the opening when inserted into the second plug end 201 of the socket connector 200 , thereby firmly engaging the plug connector 100 with the socket connector 200 .

When the first mating end 101 of the plug connector 100 is inserted into the second mating end 201 of the socket connector 200, the interface seal 500 is positioned on the outer surface of the first mating end 101 of the plug connector 100 between the inner surface of the second plug end 201 of the socket connector 200 and in contact with both the outer surface of the first plug end 101 and the inner surface of the second plug end 201, thereby Contamination such as water or dust is prevented from entering the inside of the interconnected plug connector 100 and socket connector 200 .

Through various embodiments of the present application, a plurality of protrusions are provided at the edge of the receiving cavity of the terminal connected with the cable to prevent the grommet seal from falling off from the connector, thereby reducing the zero cost of the connector. The number of parts. In addition, a plurality of interface protrusions are provided on the plug end of the plug connector to prevent the interface seal from falling off.

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Can be combined freely.

The above-mentioned embodiments only illustrate the principle and structure of the application, and are not intended to limit the application. Those skilled in the art should understand that without departing from the general concept of the application, any changes made to the application and improvements are within the scope of this application. The scope of protection of this application shall be defined by the claims of this application.

Claims (15)

1. A connector having a plug end (101, 201) adapted to be connected with a counterpart connector and a terminal end (102, 202) adapted to be connected with a cable (300, 600), characterized in that the connector comprises:

a housing (110, 210) having a through hole (111, 211) that accommodates the cable (300, 600) and an electrically conductive terminal (301, 601) connected thereto, and formed with a housing cavity (112, 212) communicating with the through hole at the terminal (102, 202); and

a grommet seal (400, 700) having a perforation (401, 701) adapted for the cable (300, 600) to pass through and adapted to be received within the receiving cavity (112, 212);

wherein the edge of the receiving cavity (112, 212) at the terminal (102, 202) is provided with a protrusion (113, 213) protruding towards the inside of the receiving cavity in order to lock the grommet seal (400, 700) within the receiving cavity (112, 212).

2. The connector of claim 1, wherein a plurality of protrusions (113, 213) are provided at edges of four side walls of the receiving cavity (112, 212) such that the plurality of protrusions (113, 213) circumferentially abut against an outer end face of the grommet seal (400, 700) along the four side walls of the receiving cavity when the grommet seal (400, 700) is received in the receiving cavity (112, 212), thereby locking the grommet seal (400, 700) in the receiving cavity (112, 212).

3. The connector according to claim 2, wherein the plurality of projections (113, 213) are integrally molded on the inner surface of the receiving cavity (112, 212) by forced demolding.

4. The connector of claim 3, wherein the plurality of protrusions (113, 213) are obliquely formed on the inner surface of the receiving cavity (112, 212) such that a surface of each protrusion (113, 213) facing a side of the terminal (102, 202) is inclined with respect to the inner surface of the receiving cavity (112, 212), thereby facilitating insertion of the grommet seal (400, 700) into the receiving cavity.

5. The connector of claim 1, wherein the grommet seal (400, 700) is resilient such that it is closely received within the receiving cavity (112, 212) and closely sleeved around the outer circumference of the cable (300, 600).

6. Connector according to any one of claims 1 to 5, characterized in that the connector is a plug connector (100), wherein the plug connector further comprises an interface seal (500) having a central opening (501) for the interface seal to be fitted over an outer surface of the housing (110) of the plug connector at the mating end (101).

7. The connector of claim 6, wherein a plurality of interface projections (114) are formed on four outer surfaces of the housing (110) of the plug connector at the mating end (101) such that when the interface seal (500) is fitted over the outer surface of the mating end (101) of the plug connector, the plurality of interface projections (114) circumferentially abut the interface seal (500) along the outer surface of the mating end (101) to prevent the interface seal from disengaging.

8. The connector of claim 7, wherein the interface projection (114) is formed on an outer surface of a housing (110) of the plug connector along a length direction of the housing.

9. The connector of claim 6, wherein the interface seal (500) is resilient such that it closely fits over the outer surface of the housing (110) of the plug connector.

10. Connector according to any of claims 7-9, wherein the counterpart connector is a socket connector (200) having a mating end adapted to receive a mating end (101) of the plug connector, the interface seal (500) being adapted to be positioned between an outer surface of the mating end (101) of the plug connector and an inner surface of the mating end (201) of the socket connector when the plug connector (100) is connected to the socket connector (200).

11. Connector according to any one of claims 1 to 5, characterized in that the connector is a socket connector (200) adapted to connect with a plug connector as a counterpart connector.

12. Connector according to claim 11, wherein the counterpart connector is a plug connector (100), the outer surface of the mating end (101) of the plug connector (100) adapted to be connected to the socket connector (200) is provided with a plurality of interface protrusions (114), the inner surface of the sidewall of the mating end (201) of the socket connector (200) is formed with a plurality of grooves (214), the plurality of grooves (214) are adapted to engage the plurality of interface protrusions (114) of the plug connector when the plug connector (100) is inserted into the socket connector (200).

13. Connector assembly, characterized in that the connector assembly comprises a plug connector (100) and a socket connector (200) connectable to each other, the plug connector (100) being a connector according to any one of claims 1-10, the socket connector (200) being a connector according to any one of claims 1-5 and 11-12, wherein the mating end (101) of the plug connector (100) is adapted to be inserted into the mating end (201) of the socket connector (200) to establish an electrical connection.

14. A connector assembly according to claim 13, wherein a first engagement portion (115) is formed on an outer surface of the housing (110) of the plug connector between the mating end (101) and the terminal (102) of the plug connector, and the socket connector (200) is formed with a second engagement portion (215) on an outer surface thereof at the mating end (201) such that the first engagement portion (115) engages with the second engagement portion (215) when the mating end (101) of the plug connector is inserted into the mating end (201) of the socket connector.

15. The connector assembly of claim 14, wherein the first engagement portion (115) comprises two side walls extending in the plugging direction at an outer surface of the housing (110) of the plug connector between the plugging end (101) and the terminal (102) of the plug connector and a transverse connection connecting the two side walls, and a portion of the two side walls and the transverse connection overhang the plugging end (101) of the plug connector to form an opening;

the second engagement portion (215) is formed as a protrusion on an outer surface at the mating end (201) of the socket connector, the protrusion being adapted to fit into the opening when the mating end (101) of the plug connector is inserted into the mating end (201) of the socket connector, thereby securely engaging the plug connector (100) with the socket connector (200).

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