CN223462503U

CN223462503U - Plug assembly and connector

Info

Publication number: CN223462503U
Application number: CN202422988615.1U
Authority: CN
Inventors: 朱凯; 刘志坤; 陈绍龙; 熊双元; 华特强
Original assignee: Yingxue Automobile Technology Changshu Co ltd
Current assignee: Yingxue Automobile Technology Changshu Co ltd
Priority date: 2024-12-04
Filing date: 2024-12-04
Publication date: 2025-10-21
Anticipated expiration: 2034-12-04

Abstract

The embodiment of the application relates to the technical field of electric connectors, in particular to a plug assembly and a connector, wherein the plug assembly comprises a shell, a plug, a cable and a first sealing piece, the shell is provided with a sealing cavity, a mounting hole and a through hole, the mounting hole and the through hole are both communicated with the sealing cavity, the plug comprises a plug body and a wiring terminal, the plug body is arranged in the mounting hole, the wiring terminal is positioned in the sealing cavity, the wiring terminal is fixed in the plug body, and binding post is connected with plug body electricity, and the one end and the binding post of cable are connected, and the other end of cable stretches out outside the casing from the through-hole, and first sealing member is located the through-hole, and the cable is established to first sealing member cover, and first sealing member butt in the inner wall of through-hole, and first sealing member is sealed the clearance between the surface of cable and the inner wall of through-hole. The junction of binding post and cable is sealed and protected through casing and first sealing member, has effectively reduced impurity infiltration such as moisture, dust and has led to the unstable or short circuit risk of electrical connection.

Description

Plug assembly and connector

Technical Field

The embodiment of the application relates to the technical field of electric connectors, in particular to a plug assembly and a connector.

Background

With the rapid development of technology, the requirements for safety and reliability of electrical systems are increasing in the industrial field, in particular in the automotive industry. The performance and stability of the plug assembly as an important connection component in an electrical system directly affects the operation of the overall system. The plug assembly generally includes a plug body, a terminal and a cable, the terminal being disposed in the plug body, one end of the cable being connected to the terminal, the cable being for transmitting electrical energy and signals.

At present, a cable in a plug assembly is generally directly connected with a wiring terminal, and when the plug assembly is in a wet or dusty environment, moisture and impurities easily permeate into the connection part of the cable and the wiring terminal, so that the electrical connection is unstable and even short-circuited, and the safety and the reliability of an electrical system are affected.

Disclosure of utility model

In view of the foregoing, embodiments of the present application provide a plug assembly and connector that overcomes or at least partially solves the foregoing problems.

In order to solve the technical problems, the plug assembly comprises a shell, a plug, a cable and a first sealing element, wherein the shell is provided with a sealing cavity, a mounting hole and a through hole, the mounting hole and the through hole are communicated with the sealing cavity, the plug comprises a plug body and a wiring terminal, the plug body is arranged in the mounting hole, the wiring terminal is positioned in the sealing cavity, the wiring terminal is fixed on the plug body, the wiring terminal is electrically connected with the plug body, one end of the cable is connected with the wiring terminal, the other end of the cable extends out of the shell from the through hole, the first sealing element is positioned in the through hole, the cable is sleeved with the first sealing element, the first sealing element is abutted to the inner wall of the through hole, and the first sealing element seals a gap between the outer surface of the cable and the inner wall of the through hole.

In some embodiments, the through hole includes a recessed section formed by recessing an outer surface of the housing toward the seal cavity, and a communication section located at a bottom of the recessed section, the communication section communicating the recessed section and the seal cavity, the first seal being received in the recessed section, the first seal sealing a gap between the outer surface of the cable and an inner wall of the recessed section.

In some embodiments, the first sealing member includes a column portion and a plurality of annular protruding portions, the plurality of annular protruding portions along the axial of column portion set up in proper order the interval in column portion, a plurality of annular protruding portions all encircle the column portion sets up, the column portion is provided with the confession cable is passed the through-hole, a plurality of annular protruding portions all butt in the inner wall of sunk section.

In some embodiments, the housing includes a case provided with a receiving groove and the mounting hole, and a cover plate covering a notch of the receiving groove to form the sealing cavity, the cover plate being provided with the through hole.

In some embodiments, the plug assembly further comprises a second seal disposed at the junction of the cover plate and the box, the second seal sealing the junction of the cover plate and the box, the second seal disposed around the slot of the receiving slot.

In some embodiments, the box body is provided with an annular groove at the periphery of the notch of the accommodating groove, the second sealing element is accommodated in the annular groove, the second sealing element partially protrudes out of the annular groove, and the portion of the second sealing element protruding out of the annular groove is abutted with the cover plate.

In some embodiments, the cover plate is provided with a first connection hole, the box body is provided with a first screw hole, and the plug assembly further comprises a first bolt, wherein the first bolt is used for penetrating through the first connection hole and then being screwed into the first screw hole so as to fix the cover plate and the box body.

In some embodiments, the number of the first connecting holes, the first screw holes and the first bolts is plural, the plural first connecting holes are disposed at intervals along the periphery of the cover plate, the plural first screw holes are disposed at intervals along the periphery of the box body, and one first bolt is used for penetrating through one first connecting hole and then being screwed into one first screw hole.

In some embodiments, the plug further includes an elastic member disposed at one end of the plug body, and the elastic member is disposed adjacent to the connection terminal, and when the plug is connected to the housing, the elastic member abuts against an inner wall of the mounting hole.

In order to solve the technical problem, the other technical scheme adopted by the application is to provide a connector which comprises the plug assembly.

The plug assembly and the connector have the advantages that the plug assembly comprises a shell, a plug, a cable and a first sealing element, wherein the shell is provided with a sealing cavity, a mounting hole and a through hole, the mounting hole and the through hole are communicated with the sealing cavity, the plug comprises a plug body and a wiring terminal, the plug body is arranged in the mounting hole, the wiring terminal is located in the sealing cavity, the wiring terminal is fixed on the plug body, the wiring terminal is electrically connected with the plug body, one end of the cable is connected with the wiring terminal, the other end of the cable extends out of the shell from the through hole, the first sealing element is located in the through hole, the cable is sleeved by the first sealing element, the first sealing element is abutted to the inner wall of the through hole, and the first sealing element seals a gap between the outer surface of the cable and the inner wall of the through hole. The connecting part of the wiring terminal and the cable is sealed and protected through the shell and the first sealing piece, so that risks of unstable electrical connection or short circuit caused by infiltration of impurities such as moisture, dust and the like are effectively reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a plug assembly provided by an embodiment of the present application;

FIG. 2 is an exploded view of a plug assembly provided in an embodiment of the present application;

fig. 3 is a perspective sectional view of fig. 1 taken along section line AA;

FIG. 4 is an exploded view of a plug, a box and a second bolt according to an embodiment of the present application;

FIG. 5 is an exploded view of a housing, cable, second seal and first bolt provided by an embodiment of the present application;

FIG. 6 is an enlarged perspective view of a first seal provided by an embodiment of the present application;

Fig. 7 is a perspective exploded view of a receptacle and plug assembly according to an embodiment of the present application.

Detailed Description

In order that the application may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, a plug assembly 1000 includes a plug 1, a cable 2, a housing 3, and a first seal 4. The cable 2 and the plug 1 are connected with the shell 3, the cable 2 is electrically connected with the plug 1, the junction of the cable 2 and the plug 1 is located in the shell 3, the first sealing element 4 is arranged at the junction of the cable 2 and the shell 3, and the first sealing element 4 seals the junction of the cable 2 and the shell 3.

For the above-mentioned plug 1, in some embodiments, referring to fig. 2, the plug 1 includes a plug body 11 and a connection terminal 12, one end of the plug body 11 is used for plugging with a socket 8 or a jack of an electrical device, the connection terminal 12 is fixed to the other end of the plug body 11, and the connection terminal 12 is electrically connected with the plug body 11, and the connection terminal 12 is used for being connected with one end of the cable 2.

In some embodiments, the number of the connection terminals 12 is two, and the two connection terminals 12 are different in polarity and are connected to a cable 2 respectively.

In some embodiments, referring to fig. 2 and 3, the plug 1 further includes an elastic member 13, where the elastic member 13 is disposed at one end of the plug body 11, and the elastic member 13 is disposed adjacent to the connection terminal 12. When the plug 1 is connected with the shell 3, the elastic piece 13 is abutted against the inner wall of the mounting hole 311, and the elastic abutting force provided by the elastic piece 13 enables the plug body 11 to be in close contact with the mounting hole 311, so that the stability of the plug 1 in the shell 3 is enhanced, and the risk of loosening the plug 1 caused by vibration or external force impact is reduced.

In some embodiments, the elastic member 13 is provided with a guide slope 131, the guide slope 131 being disposed at an end of the elastic member 13 contacting the inner wall of the mounting hole 311, the guide slope 131 being disposed obliquely in a direction in which the plug 1 is inserted into the mounting hole 311. In the process of inserting the plug 1 into the mounting hole 311, the elastic piece 13 can smoothly slide into and abut against the inner wall of the mounting hole 311 along the guide inclined plane 131, so that the resistance during insertion is reduced, and the convenience of mounting the plug 1 on the housing 3 is improved.

In some embodiments, the number of elastic members 13 is two.

In some embodiments, the plug 1 may be a male plug or a female plug to accommodate different connection requirements.

For the above-mentioned housing 3, in some embodiments, referring to fig. 3 to 5, the housing 3 is provided with a sealing cavity 30, a mounting hole 311 and a through hole 321, the mounting hole 311 and the through hole 321 are both communicated with the sealing cavity 30, the plug body 11 is disposed in the mounting hole 311, the connection terminal 12 is disposed in the sealing cavity 30, one end of the cable 2 connected with the connection terminal 12 is disposed in the sealing cavity 30, and the other end of the cable 2 extends out of the housing 3 from the through hole 321.

In some embodiments, the housing 3 includes a case 31 and a cover plate 32, the case 31 is provided with a receiving groove 310 and a mounting hole 311, the cover plate 32 covers a notch of the receiving groove 310 to form the sealing cavity 30, and the cover plate 32 is provided with a through hole 321. The housing 31 and the cover plate 32 are detachably connected, and the plug assembly 1000 is assembled and maintained. By removing the cover plate 32, the junction of the terminal 12 and the cable 2 in the sealed cavity 30 can be easily inspected or damaged components can be replaced.

In some embodiments, referring to fig. 4, the plug body 11 is provided with a second connection hole 111, and the box 31 is provided with a second screw hole 313 at the periphery of the mounting hole 311. The plug assembly 1000 further includes a second bolt 6, where the second bolt 6 is used to pass through the second connection hole 111 and then be screwed to the second screw hole 313, so as to fix the plug 1 with the box 31.

In some embodiments, the number of the second connecting holes 111, the second screw holes 313 and the second bolts 6 is plural, one second bolt 6 is used to pass through one second connecting hole 111 and then be screwed to one second screw hole 313, the plurality of second connecting holes 111 are arranged at intervals along the periphery of the plug body 11, and the plurality of second screw holes 313 are arranged at intervals along the periphery of the mounting hole 311.

In some embodiments, the plug assembly 1000 further includes a third seal member disposed at the connection between the plug body 11 and the box 31, the third seal member disposed around the mounting hole 311, and the third seal member seals the connection between the plug body 11 and the box 31, so as to further enhance the sealing performance of the seal cavity 30.

In other embodiments, the housing 31 and the plug body 11 are of unitary construction.

In some embodiments, the plug assembly 1000 further includes a second sealing member 5, where the second sealing member 5 is disposed at the connection between the cover plate 32 and the box 31, and the second sealing member 5 is disposed around the notch of the accommodating groove 310, where the second sealing member 5 seals the connection between the cover plate 32 and the box 31, so as to ensure tightness of the seal cavity 30, and effectively reduce risk of external moisture, dust, etc. entering the seal cavity 30 from the connection between the cover plate 32 and the box 31.

In some embodiments, referring to fig. 5, the box 31 is provided with an annular groove 312 at the periphery of the notch of the accommodating groove 310, the second sealing member 5 is accommodated in the annular groove 312, and the annular groove 312 provides a stable installation position for the second sealing member 5. The second sealing element 5 protrudes from the annular groove 312 partially, and the part of the second sealing element 5 protruding from the annular groove 312 is abutted against the cover plate 32, so that when the cover plate 32 is connected with the box body 31, the second sealing element 5 is tightly abutted against the annular groove 312 of the box body 31 and the cover plate 32 to form effective sealing.

In some embodiments, the second seal 5 is an elastomeric seal ring that is sized to match the shape of the annular groove 312.

In some embodiments, referring to fig. 5, the cover plate 32 is provided with a first connecting hole 322, the box 31 is provided with a first screw hole 314, and the plug assembly 1000 further includes a first bolt 7, where the first bolt 7 is used to pass through the first connecting hole 322 and then be screwed to the first screw hole 314, so as to fix the cover plate 32 and the box 31. Through bolted connection apron 32 and box body 31, not only the dismouting of being convenient for can also control the connection compactness between apron 32 and the box body 31, ensures that second sealing member 5 receives suitable compressive force to maintain the long-term sealed effect of sealed chamber 30.

In some embodiments, the number of the first connecting holes 322, the first screw holes 314 and the first bolts 7 is plural, a first bolt 7 is used for passing through the first connecting hole 322 and then being screwed into the first screw hole 314, the first connecting holes 322 are arranged at intervals along the periphery of the cover plate 32, the first screw holes 314 are arranged at intervals along the periphery of the box 31, and the connecting points further enhance the connection stability of the cover plate 32 and the box 31.

In some embodiments, the through hole 321 includes a recess segment 3211 and a communication segment 3212, the recess segment 3211 is formed by recessing an outer surface of the cover plate 32 toward the sealing cavity 30, the communication segment 3212 is located at a bottom of the recess segment 3211, the communication segment 3212 communicates the recess segment 3211 with the sealing cavity 30, the first sealing member 4 is accommodated in the recess segment 3211, and the first sealing member 4 seals a gap between an outer surface of the cable 2 and an inner wall of the recess segment 3211. The recessed section 3211 plays a role in limiting and fixing the first sealing element 4, so that the first sealing element 4 is stably installed in the through hole 321 of the casing 3.

For the first sealing member 4, in some embodiments, referring to fig. 3 and 6, the first sealing member 4 is located in the through hole 321, the cable 2 is sleeved on the first sealing member 4, and the first sealing member 4 abuts against the inner wall of the through hole 321. The first sealing piece 4 seals the gap between the outer surface of the cable 2 and the inner wall of the through hole 321, effectively reduces the risk that external moisture, dust and the like enter the sealing cavity 30 from the joint of the cable 2 and the shell 3, and realizes the dampproof and dustproof functions of the joint of the connecting terminal 12 in the sealing cavity 30 and the cable 2.

In some embodiments, the first sealing element 4 includes a post 41 and a plurality of annular protruding portions 42, the post 41 is provided with a through hole 410 through which the cable 2 passes, the plurality of annular protruding portions 42 are sequentially arranged on the post 41 at intervals along the axial direction of the post 41, the plurality of annular protruding portions 42 are all arranged around the post 41, and the plurality of annular protruding portions 42 are all abutted against the inner wall of the through hole 321. The plurality of annular protrusions 42 form multiple seal loops between the first seal 4 and the inner wall of the through hole 321, further enhancing the sealing effect.

It should be noted that, in some embodiments, the first seal member 4, the second seal member 5, and the third seal member are all made of insulating elastic materials, such as rubber, silicone, and the like.

In the embodiment of the present application, the plug assembly 1000 includes a plug 1, a cable 2, a housing 3 and a first sealing member 4, the plug 1 includes a plug body 11 and a terminal 12, the terminal 12 is fixed to the plug body 11, the terminal 12 is electrically connected to the plug body 11, and one end of the cable 2 is connected to the terminal 12. The casing 3 is provided with sealed chamber 30, mounting hole 311 and through-hole 321, and mounting hole 311 and through-hole 321 all communicate with sealed chamber 30, and plug body 11 sets up in mounting hole 311, and binding post 12 and the one end that cable 2 and binding post 12 are connected all are located sealed chamber 30, and the other end of cable 2 stretches out outside casing 3 from through-hole 321. The first sealing member 4 is located in the through hole 321, the cable 2 is sleeved on the first sealing member 4, the first sealing member 4 abuts against the inner wall of the through hole 321, and the first sealing member 4 seals a gap between the outer surface of the cable 2 and the inner wall of the through hole 321. By arranging the wiring terminal 12 and one end of the cable 2 in the sealing cavity 30 of the housing 3 and realizing the sealing connection between the cable 2 and the housing 3 by the first sealing member 4, the connection part of the wiring terminal 12 and the cable 2 is effectively protected, the risk of short circuit, open circuit or signal attenuation and other problems caused by invasion of external moisture, dust and the like is effectively reduced, and the reliability and the service life of the plug assembly 1000 are improved.

Referring to fig. 7, the connector includes a socket 8 and the plug assembly 1000, where the socket 8 and the plug assembly 100 are detachably connected, and the structure and the function of the plug assembly 1000 can be referred to the above embodiment and will not be described herein.

It should be noted that while the present application has been illustrated in the drawings and described in connection with the preferred embodiments thereof, it is to be understood that the application may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but are to be construed as providing a full breadth of the disclosure. The above technical features are further combined with each other to form various embodiments which are not listed above and are all considered as the scope of the present application described in the specification, further, the improvement or transformation can be carried out by the person skilled in the art according to the above description, and all the improvements and transformation shall fall within the protection scope of the appended claims.

Claims

1. A plug assembly, comprising:

The housing is provided with a sealed cavity, a mounting hole and a through hole, wherein the mounting hole and the through hole are both communicated with the sealed cavity;

A plug, comprising a plug body and a wiring terminal, wherein the plug body is disposed in the mounting hole, the wiring terminal is located in the sealed cavity, the wiring terminal is fixed to the plug body, and the wiring terminal is electrically connected to the plug body;

a cable, one end of the cable being connected to the terminal, and the other end of the cable extending out of the housing through the through hole;

A first seal is located in the through hole, the first seal is sleeved on the cable, and the first seal abuts against the inner wall of the through hole, and the first seal seals the gap between the outer surface of the cable and the inner wall of the through hole.

2. The plug assembly according to claim 1, wherein:

The through hole includes a recessed section and a connecting section, wherein the recessed section is formed by the outer surface of the shell being recessed toward the sealed cavity, and the connecting section is located at the bottom of the recessed section, and the connecting section connects the recessed section and the sealed cavity, and the first sealing member is accommodated in the recessed section, and the first sealing member seals the gap between the outer surface of the cable and the inner wall of the recessed section.

3. The plug assembly according to claim 2, wherein:

The first sealing member includes a column portion and a plurality of annular protrusions, wherein the plurality of annular protrusions are arranged on the column portion in sequence along the axial direction of the column portion, and the plurality of annular protrusions are arranged around the column portion, and the column portion is provided with a through hole for the cable to pass through, and the plurality of annular protrusions are all in contact with the inner wall of the recessed section.

4. The plug assembly according to claim 1, wherein:

The shell includes a box body and a cover plate, the box body is provided with a receiving groove and the mounting hole, the cover plate covers the notch of the receiving groove to form the sealed cavity, and the cover plate is provided with the through hole.

5. The plug assembly according to claim 4, wherein:

The plug assembly further includes a second seal, which is disposed at the connection between the cover plate and the box body. The second seal seals the connection between the cover plate and the box body, and is disposed around the notch of the receiving groove.

6. The plug assembly according to claim 5, wherein:

The box body is provided with an annular groove at the periphery of the notch of the receiving groove, the second sealing member is received in the annular groove, the second sealing member partially protrudes from the annular groove, and the portion of the second sealing member protruding from the annular groove abuts against the cover plate.

7. The plug assembly according to claim 5, wherein:

The cover plate is provided with a first connecting hole, and the box body is provided with a first screw hole;

The plug assembly further includes a first bolt, which is used to pass through the first connecting hole and then be screwed into the first screw hole to fix the cover plate and the box body.

8. The plug assembly according to claim 7, wherein:

The number of the first connection holes, the first screw holes and the first bolts is multiple, the multiple first connection holes are spaced apart along the periphery of the cover plate, and the multiple first screw holes are spaced apart along the periphery of the box body;

The first bolt is used to pass through the first connecting hole and then be screwed into the first screw hole.

9. The plug assembly according to any one of claims 1 to 8, wherein:

The plug further includes an elastic member, which is arranged at one end of the plug body and adjacent to the connection terminal;

When the plug is connected to the housing, the elastic member abuts against the inner wall of the mounting hole.

10. A connector, comprising the plug assembly according to any one of claims 1 to 9.