CN213212441U - Terminal assembly and switching device - Google Patents
Terminal assembly and switching device Download PDFInfo
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- CN213212441U CN213212441U CN202022200983.7U CN202022200983U CN213212441U CN 213212441 U CN213212441 U CN 213212441U CN 202022200983 U CN202022200983 U CN 202022200983U CN 213212441 U CN213212441 U CN 213212441U
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Abstract
The utility model provides a terminal subassembly and switching device for connect first to join in marriage terminal and second to joining in marriage the terminal, including first terminal and the second terminal of interconnect, first terminal is including the first grafting portion that is used for joining in marriage the terminal grafting with first to and the connecting portion with first grafting portion fixed connection, and connecting portion are provided with the installation department that supplies the second terminal joint, and the second terminal includes the second grafting portion that is used for joining in marriage the terminal grafting with the second; the first mating part and the second mating part are different. The utility model provides a terminal subassembly and switching device, by the first grafting portion of first terminal with first to join in marriage the terminal and peg graft, peg graft with the second to joining in marriage the terminal by the second grafting portion of second terminal simultaneously, make two not assorted interfaces can realize the intercommunication, its simple structure need not simultaneously with the help of fixed part auxiliary connection first terminal and second terminal, can effectively reduce the influence to interface conduction efficiency among the switching process, application scope is more extensive.
Description
Technical Field
The utility model relates to a technical field that charges especially relates to a terminal subassembly and switching device.
Background
With the increasing global energy and environmental pressure, the concept of energy conservation and environmental protection has penetrated into various fields. For the automotive industry, compared with conventional fuel and gas engine vehicles, electric vehicles using power batteries as power sources are gradually going into a wide practical stage due to their characteristics of cleanliness and environmental protection. In order to promote the development of electric automobiles and facilitate the charging of power batteries of the electric automobiles, the state sets up corresponding national standards, and the charging interfaces of the existing electric automobile charging guns are all arranged according to the relevant standards; in order to accelerate the charging efficiency of the electric automobile, the charging interface of the electric automobile is improved into a high-current high-voltage connector (HPC) charging interface, the connecting interface of the charging interface is different from the charging interface of the existing national standard GB, and the adapter is required to realize the intercommunication of the two interfaces.
The adapter in the prior art comprises a shell and a terminal assembly arranged in the shell, and the terminal assembly is respectively and electrically connected with an HPC charging interface and a GB charging interface to realize the intercommunication of the two interfaces; the terminal subassembly includes by fixing bolt or other fixed knot that have electrically conductive construct the supplementary fixed connection's of public terminal and female terminal, and its structure is comparatively complicated, need be provided with corresponding installation space in order to satisfy its installation requirement in the casing, influences the charge efficiency of the interface that charges simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a terminal subassembly and switching device to the terminal subassembly structure of the switching device who exists among the solution prior art is complicated, influences the technical problem of the conduction efficiency of interface.
In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a terminal assembly for connecting a first mating terminal and a second mating terminal, characterized in that: comprising a first terminal and a second terminal connected to each other,
the first terminal comprises a first inserting part used for being inserted with the first mating terminal and a connecting part fixedly connected with the first inserting part, and the connecting part is provided with an installation part for clamping the second terminal;
the second terminal comprises a second plugging part for plugging with the second mating terminal;
the first mating part and the second mating part are different.
In one embodiment, the connecting portion is flat, the mounting portion penetrates through the connecting portion, a fixing portion and a limiting portion are convexly formed on the circumferential side wall of the second terminal, the fixing portion and the limiting portion are arranged at intervals to form a mounting clamping groove, the end portion of the second terminal penetrates through the mounting portion, and the connecting portion is clamped between the fixing portion and the limiting portion.
In one embodiment, a width of the mounting pocket in an axial direction of the second terminal is equal to a thickness of the connecting portion.
In one embodiment, the first socket part is tubular and the connecting part and the first socket part are one piece.
In one embodiment, the connecting part is arranged bent in relation to the axial direction of the first plug part.
In one embodiment, the first and second mating parts are axially parallel.
In one embodiment, the first terminal is a GB connection terminal and the second terminal is an HPC connection terminal.
In one embodiment, the first terminal and the second terminal are respectively molded and fixedly connected with each other to form a whole.
In one embodiment, the first terminal and the second terminal are riveted.
In one embodiment, the first terminal is a copper tube preform and the second terminal is a copper rod preform.
In one embodiment, the connecting portion is a stamped part.
The utility model also provides a switching device, be in including the casing that has the inner chamber and setting foretell terminal subassembly of the inside of casing, the inside of casing is provided with the confession installation the installation region of terminal subassembly.
In one embodiment, the surface of the first terminal is inwards sunken to form a first clamping groove, the shell is located the inner wall of the installation area is convexly provided with a first clamping protrusion matched with the first clamping groove, the surface of the second terminal is inwards sunken to form a second clamping groove, and the shell is located the inner wall of the installation area is convexly provided with a second clamping protrusion matched with the second clamping groove.
The utility model provides a terminal subassembly's beneficial effect lies in: compared with the prior art, the terminal assembly of the utility model has the advantages that the connecting part of the first terminal is provided with the mounting part for the second terminal to be clamped, so that the second terminal is fixedly connected with the first terminal in a clamping way; the first inserting portion of the first terminal is inserted into the first matching terminal, and the second inserting portion of the second terminal is inserted into the second matching terminal, so that the two interfaces which are not matched can be communicated.
The utility model provides a switching device's beneficial effect lies in: compared with the prior art, the switching device of the utility model installs the terminal assembly in the shell by arranging the installation area for installing the terminal assembly in the shell with the inner cavity, and the terminal assembly fixedly connects the second terminal with the first terminal in a clamping way by arranging the installation part for clamping the second terminal on the connection part of the first terminal; the first inserting portion of the first terminal is inserted into the first matching terminal, and the second inserting portion of the second terminal is inserted into the second matching terminal, so that the two unmatched interfaces are connected in an auxiliary switching mode through the switching device to achieve intercommunication.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic perspective view of a terminal assembly according to an embodiment of the present invention;
fig. 2 is a schematic top view of a terminal assembly according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic perspective view of an adapter device according to an embodiment of the present invention;
fig. 5 is a left side view schematic structural diagram of the adapter device according to the embodiment of the present invention;
fig. 6 is a schematic cross-sectional view taken along line B-B in fig. 5.
Wherein, in the figures, the respective reference numerals:
1-a terminal assembly; 2-a first terminal; 21-a first mating part; 211-an elastic member; 22-a connecting part; 222-a mounting portion; 23-a first card slot; 3-a second terminal; 31-a second mating part; 32-a fixed part; 33-a limiting part; 34-a second card slot; 4-a shell; 41-mounting area; 42-a first snap-fit projection; 43-second snap projections.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to fig. 3, in the terminal assembly 1 provided in this embodiment, the terminal assembly 1 is used for connecting a first mating terminal and a second mating terminal to realize the switching and communicating between the first mating terminal and the second mating terminal. Wherein, first pair of terminal can select to be the GB interface that charges, and the second is to joining in marriage the terminal and can select to be the HPC interface that charges, and first terminal 2 is GB connecting terminal promptly, and second terminal 3 is the HPC connecting terminal, has realized the intercommunication of GB interface and the HPC interface that charges for electric automobile's charge efficiency. The terminal assembly 1 includes a first terminal 2 and a second terminal 3 connected to each other, and the specific structure and material of the first terminal 2 and the second terminal 3 are not limited herein; alternatively, the first terminal 2 is an integrally molded piece. The first terminal 2 comprises a first inserting portion 21 used for being inserted into a first mating terminal and a connecting portion 22 fixedly connected with the first inserting portion 21, the connecting portion 22 is provided with a mounting portion 222 for clamping the second terminal 3, the second terminal 3 comprises a second inserting portion 31 used for being inserted into a second mating terminal, and the specific structures of the first inserting portion 21 and the second inserting portion 31 are different.
In the terminal assembly 1, the connecting portion 22 of the first terminal 2 is provided with the mounting portion 222 for clamping the second terminal 3, so that the second terminal 3 is fixedly connected with the first terminal 2 in a clamping manner; the first inserting part 21 of the first terminal 2 is inserted into the first mating terminal, and the second inserting part 31 of the second terminal 3 is inserted into the second mating terminal, so that the two unmatched interfaces can be communicated.
Referring to fig. 1 to fig. 3, as a specific embodiment of the terminal assembly 1 provided in this embodiment, the first terminal 2 and the second terminal 3 are respectively formed and fixedly connected to each other to form a whole, and the connection manner between the first terminal 2 and the second terminal 3 is not limited herein; preferably, first terminal 2 and second terminal 3 riveting connection, its simple structure need not to connect first terminal 2 and second terminal 3 with the help of fixed part 32 supplementary simultaneously, can effectively reduce the influence to interface conduction efficiency in the switching process, and application scope is more extensive. The specific shape and manufacturing manner of the first terminal 2 can be set according to requirements, and optionally, the first terminal 2 can be set as a tubular prefabricated member; preferably, the first insertion-connection part 21 is tubular, one end of the first insertion-connection part 21 is fixedly connected with the connection part 22, and the other end is axially inserted into the first mating terminal, and the first mating terminal can be inserted into the lumen of the first insertion-connection part 21 from one end of the first insertion-connection part 21 along the axial direction of the first insertion-connection part 21. Optionally, a plurality of elastic pieces 211 used for abutting and clamping with the first pair of terminals are uniformly distributed on the circumferential inner wall of the first inserting portion 21, and the specific structure and material of the elastic pieces 211 are not limited, preferably, the elastic pieces 211 can be metal elastic pieces, so that the inserting between the first inserting portion 21 and the first pair of terminals is more stable, and the reliability of the product is improved.
Referring to fig. 1 to 3, in the present embodiment, the connecting portion 22 and the first inserting portion 21 of the first terminal 2 are an integral piece, the connecting portion 22 is flat, alternatively, the connecting portion 22 is a stamping, and the connecting portion 22 can be an extruded piece or a sheet metal piece; the surfaces of both sides in the thickness direction of the connecting portion 22 are of a planar structure; the connecting portion 22 is provided with the mounting portion 222 in a penetrating manner, the mounting portion 222 is a mounting hole, the connecting portion 22 is provided with the mounting portion 222 for clamping the second terminal 3, the second terminal 3 is fixedly connected with the first terminal 2 in a clamping manner, the first terminal 2 and the second terminal 3 are stably connected, and meanwhile, the first terminal 2 and the second terminal 3 are electrically connected. Optionally, the connecting portions 22 are arranged parallel to each other or bent relative to the axial direction of the first plug portion 21; preferably, the connecting portion 22 is bent in the axial direction of the first mating portion 21, and more preferably, the bending angle of the connecting portion 22 with respect to the first mating portion 21 is 90 degrees, and the first mating portion 21 and the second mating portion 31 are axially arranged in parallel, so that the first terminal 2 and the second terminal 3 can be parallel to each other in the connected state, thereby effectively reducing the overall size of the terminal assembly 1 and increasing the application range thereof.
Referring to fig. 1 to 3, in the present embodiment, a fixing portion 32 and a limiting portion 33 are convexly formed on a circumferential side wall of the second terminal 3, the fixing portion 32 is disposed at an end of the second terminal 3 for being clamped with the first terminal 2, the fixing portion 32 and the limiting portion 33 are disposed at an interval, so that an installation slot is formed between the fixing portion 32 and the limiting portion 33, an end portion of the second terminal 3 passes through the installation portion 222, and the connecting portion 22 is clamped between the fixing portion 32 and the limiting portion 33, so that the connection between the first terminal 2 and the second terminal 3 is more stable, which is beneficial to improving the reliability of the terminal assembly 1, and the specific structure of the fixing portion 32 and the limiting portion 33 is not limited herein. Specifically, when the first terminal 2 and the second terminal 3 are clamped, the fixing portion 32 of the second terminal 3 is extruded to pass through the mounting portion 222 of the first terminal 2, and finally the connecting portion 22 is clamped between the fixing portion 32 and the limiting portion 33, so that the first terminal 2 is not loosened from the second terminal 3. Preferably, the width of the mounting slot along the axial direction of the second terminal 3 is equal to the thickness of the connecting portion 22, and at this time, the connecting portion 22 abuts against the fixing portion 32 and the limiting portion 33 respectively, so as to prevent the second terminal 3 from displacing relative to the first terminal 2, and when the first terminal 2 and the second terminal 3 are stably connected, the first terminal 2 and the second terminal 3 can be in full contact, thereby effectively reducing the influence on the interface conduction efficiency in the transfer process.
Optionally, the first terminal 2 is a copper tube prefabricated part, the second terminal 3 is a copper bar prefabricated part, the materials of the copper tube prefabricated part are copper materials, and the copper tube prefabricated part has the advantages of being high in conductivity, durable, low in melting point, convenient to manufacture and the like.
Referring to fig. 4 to 6, the present invention further provides an adapter device, which includes a housing 4 having an inner cavity and the terminal assembly 1 disposed inside the housing 4, wherein the housing 4 is provided with a mounting region 41 for mounting the terminal assembly 1. In the switching device, the terminal assembly 1 is installed in the housing 4 by providing the installation region 41 for installing the terminal assembly 1 in the housing 4 with an inner cavity, the terminal assembly 1 is provided with the installation part 222 for clamping the second terminal 3 on the connection part 22 of the first terminal 2, and the second terminal 3 is fixedly connected with the first terminal 2 in a clamping way; the first inserting portion 21 of the first terminal 2 is inserted into the first mating terminal, and the second inserting portion 31 of the second terminal 3 is inserted into the second mating terminal, so that two unmatched interfaces are connected and communicated with each other in an auxiliary switching mode through the switching device.
Referring to fig. 4 to fig. 6, in the present embodiment, the outer surface of the first terminal 2 is recessed inward to form a first engaging groove 23, and the inner wall of the housing 4 in the mounting region 41 is protruded to form a first engaging protrusion 42 adapted to the first engaging groove 23; the outer surface of the second terminal 3 is recessed inwards to form a second card slot 34, the inner wall of the housing 4 in the mounting region 41 is provided with a second card protrusion 43 matched with the second card slot 34 in a protruding manner, where the number and position of the first card slots 23 on the first terminal 2 and the second card slots 34 on the second terminal 3 are not limited, the number of the first card slots 23 on the first terminal 2 and the number of the second card slots 34 on the second terminal 3 can be set according to the requirement, and may be one or more, the inner wall of the housing 4 in the mounting region 41 is provided with a first card protrusion 42 matched with the first card slot 23 in a protruding manner, and a second card protrusion 43 matched with the second card slot 34 in a protruding manner, and by providing a card structure between the terminal assembly 1 and the housing 4, on one hand, a positioning effect can be achieved during the assembly process, and the terminal assembly 1 is stably mounted at the preset position, on the other hand, in the process of using the switching device, when the first mating terminal and the second mating terminal matched with the terminal assembly 1 are plugged or pulled, the terminal assembly 1 is prevented from displacing relative to the shell 4 under the action of external force, so that the reliability of the switching device is improved, and the service life of the switching device is prolonged.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. A terminal assembly for connecting a first mating terminal and a second mating terminal, comprising: comprising a first terminal and a second terminal connected to each other,
the first terminal comprises a first inserting part used for being inserted with the first mating terminal and a connecting part fixedly connected with the first inserting part, and the connecting part is provided with an installation part for clamping the second terminal;
the second terminal comprises a second plugging part for plugging with the second mating terminal;
the first mating part and the second mating part are different.
2. The terminal assembly of claim 1, wherein: connecting portion are the platykurtic, connecting portion run through to be provided with the installation department, the protruding fixed part and the spacing portion of being formed with of circumference lateral wall of second terminal, the fixed part with spacing portion interval sets up and forms the installation draw-in groove, the tip of second terminal passes the installation department sets up, and makes connecting portion card is located the fixed part with between the spacing portion.
3. The terminal assembly of claim 2, wherein: the width of the mounting slot in the axial direction of the second terminal is equal to the thickness of the connecting portion.
4. The terminal assembly of claim 1, wherein: the first inserting part is tubular, and the connecting part and the first inserting part are integrated.
5. The terminal assembly of claim 4, wherein: the connecting part is bent relative to the axial direction of the first inserting part.
6. The terminal assembly of claim 5, wherein: the first insertion part and the second insertion part are arranged in parallel in the axial direction.
7. The terminal assembly of claim 1, wherein: the first terminal is GB connecting terminal, the second terminal is HPC connecting terminal.
8. Terminal assembly according to any one of claims 1 to 7, characterized in that: the first terminal and the second terminal are respectively formed and fixedly connected into a whole.
9. The terminal assembly of claim 8, wherein: the first terminal and the second terminal are rivet-connected.
10. The terminal assembly of claim 8, wherein: the first terminal is a copper pipe prefabricated part, and the second terminal is a copper bar prefabricated part.
11. The terminal assembly of claim 10, wherein: the connecting part is a stamping part.
12. An adapter device, characterized in that: comprising a housing having an interior and a terminal assembly according to any of claims 1-11 arranged in the interior of the housing, the interior of the housing being provided with mounting areas for mounting the terminal assembly.
13. The transition device according to claim 12, wherein: the outer surface of the first terminal is inwards recessed to form a first clamping groove, and the inner wall of the shell, which is positioned in the mounting area, is convexly provided with a first clamping protrusion matched with the first clamping groove; the surface of the second terminal is inwards sunken to form a second clamping groove, and the shell is located on the inner wall of the mounting area and is convexly provided with a second clamping protrusion matched with the second clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022200983.7U CN213212441U (en) | 2020-09-30 | 2020-09-30 | Terminal assembly and switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022200983.7U CN213212441U (en) | 2020-09-30 | 2020-09-30 | Terminal assembly and switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213212441U true CN213212441U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022200983.7U Active CN213212441U (en) | 2020-09-30 | 2020-09-30 | Terminal assembly and switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213212441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314870A (en) * | 2021-05-13 | 2021-08-27 | 长春捷翼汽车零部件有限公司 | Special-shaped terminal adaptive to different interfaces |
-
2020
- 2020-09-30 CN CN202022200983.7U patent/CN213212441U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314870A (en) * | 2021-05-13 | 2021-08-27 | 长春捷翼汽车零部件有限公司 | Special-shaped terminal adaptive to different interfaces |
| CN113314870B (en) * | 2021-05-13 | 2024-04-02 | 长春捷翼汽车科技股份有限公司 | Abnormal-shaped terminal of different interfaces of adaptation |
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