CN213212440U

CN213212440U - Terminal and switching device

Info

Publication number: CN213212440U
Application number: CN202022200970.XU
Authority: CN
Inventors: 张健文; 尹豪迈; 张卫东
Original assignee: Tyco Electronics Shanghai Co Ltd; Tyco Electronics Suzhou Ltd
Current assignee: Tyco Electronics Shanghai Co Ltd; Tyco Electronics Suzhou Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-14
Anticipated expiration: 2030-09-30

Abstract

The utility model provides a terminal and switching device for connect first counterpoint terminal and second counterpoint terminal, the terminal is the integrated into one piece spare, the terminal includes the first grafting portion that is used for joining in marriage the terminal grafting with first counterpoint and is used for joining in marriage the second grafting portion that the terminal grafting was joined in marriage with the second; the first insertion part is tubular. The terminal and the switching device provided by the utility model can realize the intercommunication of two non-matched interfaces, and the structure is simple; and because the terminal is integrated into one piece, need not to use fixed knot structure to assist fixed first grafting portion and second grafting portion, simple structure can effectively reduce the terminal moreover and to interface conduction efficiency's influence in the switching process, application scope is more extensive.

Description

Terminal and switching device

Technical Field

The utility model relates to a technical field that charges especially relates to a terminal 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 assembly comprises a male terminal and a female terminal which are fixedly connected by fixing bolts or other fixing structures with conductive performance, the structure of the terminal assembly is complex, corresponding installation space needs to be arranged in the shell to meet the installation requirement, the occupied space occupies space, and meanwhile the conduction efficiency of the interface is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terminal and switching device to the terminal subassembly structure of the switching device who exists among the solution prior art is complicated, and 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: the terminal comprises a first plugging part and a second plugging part, wherein the first plugging part is used for being plugged with the first mating terminal, and the second plugging part is used for being plugged with the second mating terminal; the first insertion part is tubular.

In one embodiment, one end of the first insertion part is fixedly connected with the second insertion part, and a circumferential inner wall of the other end of the first insertion part encloses to form a mating terminal cavity for axial insertion with the first mating terminal.

In one embodiment, a bent portion is disposed between the first insertion portion and the second insertion portion, and the bent portion is bent with respect to an axial direction of the first insertion portion.

In one embodiment, the first and second mating parts are axially parallel.

In one embodiment, the first and second mating parts are different.

In one embodiment, the first socket part is a GB connection terminal and the second socket part is an HPC connection terminal.

In one embodiment, the terminal is a tubular preform.

In one embodiment, the second socket part has an outer diameter smaller than the outer diameter of the first socket part.

In one embodiment, the second spigot is an extruded metal rod.

The utility model also provides a switching device, be in including the casing that has the inner chamber and setting foretell terminal of the inside of casing, the inside of casing is provided with the confession installation the installation region of terminal.

In one embodiment, the outer wall of the terminal is provided with a first sealing member and a second sealing member at intervals, and the first sealing member and the second sealing member are abutted against the inner wall of the shell located in the mounting area and enclose a sealing area for mounting an electronic component.

In one embodiment, the first sealing member and the second sealing member are both sealing rings, and the outer wall of the terminal is recessed inward to form mounting grooves for mounting the first sealing member and the second sealing member.

The utility model provides a beneficial effect of terminal lies in: compared with the prior art, the terminal of the utility model comprises a first plugging part for plugging with the first mating terminal and a second plugging part which is fixedly connected with the first plugging part and is used for plugging with the second mating terminal, wherein the first plugging part is tubular, so that two unmatched interfaces can be communicated, and the structure is simple; the terminal is integrated into one piece, need not to use fixed knot structure to assist fixed first grafting portion and second grafting portion, simple structure can effectively reduce the terminal moreover and to interface conduction efficiency's influence in the switching process, and application scope is more extensive.

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 in the shell by arranging the installation area for installing the terminal in the shell with the inner cavity, the terminal comprises a first plug-in part for being plugged with the first mating terminal and a second plug-in part fixedly connected with the first plug-in part and used for being plugged with the second mating terminal, the first plug-in part is tubular, so that two unmatched interfaces can be communicated, and the switching device has a simple structure; the terminal is integrated into one piece, need not to use fixed knot structure to assist fixed first grafting portion and second grafting portion, simple structure can effectively reduce switching device moreover and to interface conduction efficiency's influence in the switching process, and application scope is more extensive.

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 according to an embodiment of the present invention;

fig. 2 is a schematic top view of a terminal 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 cross-sectional view of a terminal according to another embodiment of the present invention;

fig. 5 is a schematic perspective view of an adapter device according to an embodiment of the present invention;

fig. 6 is a left side view schematic structural diagram of the adapter device according to the embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view taken along line B-B of FIG. 5;

fig. 8 is a schematic cross-sectional view of an adapter according to another embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a terminal; 11-a first mating part; 111-an elastic member; 12-a second mating part; 121-a guide; 13-bending part; 14-a first sealing member; 15-a second sealing member; 16-mounting grooves; 17-a card slot; 2-a shell; 21-a mounting area; 22-a sealing area; 23-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 1 provided in this embodiment, the terminal 1 is used for connecting a first mating terminal and a second mating terminal to realize the switching and intercommunication between the first mating terminal and the second mating terminal; the terminal 1 includes a first mating terminal 11 for mating with a first mating terminal and a second mating terminal 12 fixedly connected to the first mating terminal 11 for mating with a second mating terminal. Optionally, the first and

second mating parts

11, 12 are different; wherein, first mating terminal can select to be the GB interface that charges, and the second mating terminal can select to be the HPC interface that charges, and first inserting part 11 is GB connecting terminal promptly, and second inserting part 12 is the HPC connecting terminal, has realized the intercommunication of GB interface and the HPC interface that charges for electric automobile's charging efficiency.

In the terminal 1, the first plugging part 11 of the terminal 1 is plugged with the first mating terminal, and the second plugging part 12 is plugged with the second mating terminal, so that two unmatched interfaces can be communicated with each other, and the structure is simple; terminal 1 is integrated into one piece, need not to use the supplementary fixed first grafting portion 1111 of fixed knot structure and second grafting portion 1212, simple structure can effectively reduce terminal 1 moreover in the switching process to interface conduction efficiency's influence, and application scope is more extensive.

Referring to fig. 1 to fig. 3, as a specific embodiment of the terminal 1 provided in this embodiment, a specific shape, material and manufacturing manner of the terminal 1 may be set according to requirements, and optionally, the terminal 1 is a tubular preform; preferably, the terminal 1 is a copper pipe prefabricated part, the material of which is copper, and the characteristics of high conductivity, durability, low melting point, convenience in manufacturing and the like are utilized. Optionally, a bent portion 13 is disposed between the first insertion portion 11 and the second insertion portion 12, and the bent portion 13 is bent with respect to the axial direction of the first insertion portion 11, so that the terminal 1 can adapt to more application environments, and the application range of the terminal is enlarged; furthermore, the first inserting part 11 and the human inserting part are axially arranged in parallel, so that the application range of the device is effectively enlarged.

Referring to fig. 1 to 3, in the present embodiment, the first insertion-connection portion 11 of the terminal 1 is tubular, one end of the first insertion-connection portion 11 is fixedly connected to the second insertion-connection portion 12, a circumferential inner wall of the other end of the first insertion-connection portion 11 encloses to form a mating terminal cavity for being axially inserted into the first mating terminal, and the first mating terminal can be inserted into the lumen of the first insertion-connection portion 11 from one end of the first insertion-connection portion 11 along the axial direction of the first insertion-connection portion 11. Optionally, a plurality of elastic pieces 111 used for abutting and clamping the first mating terminal are uniformly distributed on the circumferential inner wall of the first inserting portion 11, and the specific structure, the number and the material of the elastic pieces 111 are not limited, preferably, the elastic pieces 111 may be metal elastic pieces, so that the inserting between the first inserting portion 11 and the first mating terminal is more stable, and the reliability of the product is improved.

Referring to fig. 2 to 4, in the present embodiment, the outer diameter of the second insertion part 12 of the terminal 1 is smaller than the outer diameter of the first insertion part 11; optionally, the second socket part 12 is an extruded metal rod; the second socket 12 may be a solid metal rod or a hollow metal rod. Preferably, the second plug part 12 of the terminal 1 is a copper bar, and the second plug part 12 may be an extruded part or a sheet metal part. One end of the second inserting portion 12, which is far away from the first inserting portion 11, is provided with a guide portion 121, and meanwhile, the end portion of the second inserting portion 12 is provided with the guide portion 121, so that the second inserting portion 12 and the second mating terminal are in an inserting process, a guiding effect is achieved, the terminal 1 is more convenient to use, a specific structure of the guide portion 121 is not limited, and the guide portion 121 can be a chamfer or arc structure arranged at the end portion of the second inserting portion 12.

Referring to fig. 5 to 7, the present invention further provides an adapter device, which includes a housing 2 having an inner cavity and the terminal 1 disposed inside the housing 2, wherein a mounting area 21 for mounting the terminal 1 is disposed inside the housing 2. In the switching device, the mounting area 21 for mounting the terminal 1 is arranged in the shell 2 with the inner cavity, so that the terminal 1 is mounted in the shell 2, and the terminal 1 comprises the first inserting part 11 for inserting with the first mating terminal and the second inserting part 12 fixedly connected with the first inserting part 11 and for inserting with the second mating terminal, so that two interfaces which are not matched can be communicated with each other, and the switching device is simple in structure; terminal 1 is integrated into one piece, need not to use the supplementary fixed first grafting portion 1111 of fixed knot structure and second grafting portion 1212, simple structure can effectively reduce switching device moreover in the switching process to interface conduction efficiency's influence, and application scope is more extensive.

Referring to fig. 7 to 8, in the present embodiment, the outer wall of the terminal 1 is provided with a first sealing member 14 and a second sealing member 15 at an interval, both the first sealing member 14 and the second sealing member 15 abut against the inner wall of the housing 2 in the mounting region 21 and enclose a sealing region 22 for mounting an electronic component, and the sealing region 22 is enclosed in the housing 2, so that the electronic component required by the adapter device is mounted in the sealing region 22, which plays a role in preventing water and dust, is favorable for improving the reliability of the adapter device, and prolongs the service life of the adapter device; the specific structure and material of the first sealing member 14 and the second sealing member 15 are not limited, and optionally, the first sealing member 14 and the second sealing member 15 are both sealing rings, which have simple structure, are convenient to assemble, and can ensure the sealing performance of the sealing area 22 of the adapter; further, the outer wall of the terminal 1 is recessed inwards to form a mounting groove 16 for mounting the first sealing member 14 and the second sealing member 15, and the first sealing member 14 and the second sealing member 15 are stably mounted at a preset position through the mounting groove 16 of the terminal 1, so that the first sealing member 14 and the second sealing member 15 are prevented from being displaced relative to the terminal 1 under the action of external force during the process of using the adapter, and the sealing performance of the sealing area 22 of the adapter is prevented from being influenced.

Referring to fig. 7 to 8, in this embodiment, the outer surface of the terminal 1 is recessed inward to form a slot 17, the inner wall of the housing 2 in the mounting region 21 is protruded to form a locking protrusion 23 adapted to the slot 17, where the number and position of the slots 17 on the terminal 1 are not limited, the number of the slots 17 on the terminal 1 can be set according to the requirement, and can be one or more, the inner wall of the housing 2 in the mounting region 21 is protruded to form a locking protrusion 23 adapted to the slot 17, by providing a locking structure between the terminal 1 and the housing 2, on one hand, the terminal 1 can be positioned during the assembly process to stably mount the terminal 1 at the preset position, and on the other hand, when the first mating terminal and the second mating terminal adapted to the terminal 1 are plugged or pulled away, the terminal 1 is prevented from being displaced relative to the housing 2 under the external force, 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

1. A terminal for connecting a first mating terminal and a second mating terminal, comprising: the terminal is an integrally-formed part and comprises a first plugging part and a second plugging part, wherein the first plugging part is used for being plugged with the first mating terminal, and the second plugging part is used for being plugged with the second mating terminal; the first insertion part is tubular.

2. The terminal of claim 1, wherein: one end of the first inserting portion is fixedly connected with the second inserting portion, and the circumferential inner wall of the other end of the first inserting portion is enclosed to form an opposite terminal containing cavity for being axially inserted into the first opposite terminal.

3. The terminal of claim 1, wherein: a bending part is arranged between the first insertion part and the second insertion part, and the bending part is arranged in a bending way relative to the axial direction of the first insertion part.

4. The terminal of claim 3, wherein: the first insertion part and the second insertion part are arranged in parallel in the axial direction.

5. The terminal of claim 1, wherein: the first mating part and the second mating part are different.

6. The terminal of claim 5, wherein: the first inserting portion is a GB connecting terminal, and the second inserting portion is an HPC connecting terminal.

7. The terminal of any one of claims 1-6, wherein: the terminal is a tubular preform.

8. The terminal of claim 7, wherein: the outer diameter of the second insertion part is smaller than that of the first insertion part.

9. The terminal of claim 8, wherein: the second inserting part is an extruded metal rod.

10. An adapter device, characterized in that: comprising a housing having an inner cavity and a terminal according to any of claims 1-9 arranged inside the housing, the inside of the housing being provided with a mounting area for mounting the terminal.

11. The transition device according to claim 10, wherein: the outer wall interval of terminal is provided with first sealing member and second sealing member, first sealing member and second sealing member all with the casing is located the inner wall butt of installation region and encloses and form the sealed region that supplies installation electronic components.

12. The transition device according to claim 11, wherein: the first sealing component and the second sealing component are both sealing rings, and the outer wall of the terminal is inwards sunken to form mounting grooves for mounting the first sealing component and the second sealing component.