CN220439937U - Charging gun terminal with increased contact area - Google Patents
Charging gun terminal with increased contact area Download PDFInfo
- Publication number
- CN220439937U CN220439937U CN202322111899.1U CN202322111899U CN220439937U CN 220439937 U CN220439937 U CN 220439937U CN 202322111899 U CN202322111899 U CN 202322111899U CN 220439937 U CN220439937 U CN 220439937U
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- charging gun
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- terminal group
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model provides a charging gun terminal for increasing contact area, which comprises a charging gun main body provided with a terminal group and a charging gun terminal group, wherein the charging gun main body is provided with a charging gun terminal group; the charging gun terminal group comprises a first terminal group and a second terminal group; the first terminal group comprises a first terminal, a terminal seat, a pin terminal and a terminal inner spring, wherein the terminal seat is in a cylindrical shape and is provided with a through hole penetrating along the axis direction; the terminal seat is provided with a terminal inner spring along the inner circumference at a position corresponding to the second end of the pin terminal so as to form a terminal connecting groove, and the first terminal is inserted and fixed in the terminal connecting groove; the second terminal group with the same setting of first terminal group, in the holding tank that the rifle main part was seted up that charges was all inserted in the equal adaptation of first terminal group, second terminal group, the effectual area of contact who charges that has increased the rifle that charges, improved the high temperature problem that charges and lead to, the life of extension rifle that charges.
Description
Technical Field
The utility model relates to the technical field of electric automobile accessories, in particular to a charging gun terminal with increased contact area.
Background
The charging gun is used for charging the electric automobile, the interface of the charging gun and the automobile battery is specified in China, so that the consistency of connection between the charging pile and the charging gun is ensured. The rifle that charges at present often adopts is detachable rifle terminal that charges and rifle main part cooperation that charges, but because the rifle terminal that charges at present all sets up to solid terminal, be provided with on the rifle main part that charges with the recess that charges the rifle terminal match in order to dismantle the installation, but adopt this mode at present can lead to charging rifle charging in-process very fast to heat up, leads to high temperature damage easily, needs to be changed.
Therefore, it is needed to provide a charging gun terminal with fast charging and increased contact area, which is not easy to raise temperature.
Disclosure of Invention
The utility model provides a charging gun terminal with increased contact area, which is used for more exactly solving the problems of small charging contact area and easy high-temperature damage of the existing charging gun.
The utility model is realized by the following technical scheme:
the utility model provides a charging gun terminal for increasing contact area, which comprises a charging gun terminal group arranged on a charging gun main body; the charging gun terminal group comprises a first terminal group and a second terminal group;
the first terminal group comprises a first terminal, a terminal seat, a pin terminal and a terminal inner spring, wherein the terminal seat is in a cylindrical shape and is provided with a through hole penetrating in the axis direction, the first end of the pin terminal is adaptively arranged in the middle part in the through hole, and the second end of the pin terminal is positioned in the terminal seat;
the terminal seat is provided with a terminal inner spring along the inner circumference at a position corresponding to the second end of the pin terminal so as to form a terminal connecting groove, and the first terminal is inserted and fixed in the terminal connecting groove;
the second terminal group is arranged the same as the first terminal group, and the first terminal group and the second terminal group are both inserted into the accommodating groove formed in the charging gun main body in an adaptive manner.
Further, the first terminal comprises a first end and a second end which are coaxially connected;
a first hole is formed in the end face of the first end of the first terminal along the axis direction, the first terminal outer Zhou Shi is matched with the inner periphery of the terminal connecting groove, and the first hole is adapted to the second end of the pin terminal;
the second end of the first terminal is adapted to an external insert.
Further, one end of the terminal seat, which is far away from the terminal inner spring, is a counter bore formed by the through hole and the pin terminal;
the periphery of the terminal seat corresponding to the insertion counter bore is inserted into the accommodating groove of the charging gun main body in an adaptive mode.
Further, the accommodating groove is provided with a first connecting rod in a protruding mode along the central line direction from the groove bottom, and the periphery of the first connecting rod is matched and fixed with the inside Zhou Shi of the inserting counter bore.
Further, the first hole inner periphery of the first terminal is provided with a sloping strip of a convex inner peripheral surface from the port to the hole bottom, and the sloping strip comprises a plurality of sloping strips and is uniformly arranged on the first hole inner periphery.
Further, the terminal innerspring comprises a plurality of terminal innersprings which are uniformly and equidistantly arranged on the inner periphery of the terminal seat.
Further, the outer diameter of the second end of the pin terminal is phi 6mm, the outer diameter of the first terminal is phi 12mm, and the inner diameter of the first hole of the first terminal is phi 6.9mm.
Further, the middle part of the pin terminal extends outwards to form a circle of bulge, the first end of the pin terminal is arranged on one side of the bulge, and the second end of the pin terminal is arranged on the other side of the bulge;
the second end length of the pin terminal is 13.5mm.
Further, the charging gun further comprises a terminal support frame, wherein the terminal support frame is arranged on the charging gun body, and the first terminal group and the second terminal group are limited and fixed.
Further, the second terminal group is arranged in the same way as the first terminal group and is respectively fixed on two sides of the center of the charging gun main body;
the spacing between the pin terminals of the second terminal set and the pin terminals of the first terminal set is 34mm.
The charging gun terminal with the increased contact area has the beneficial effects that:
through setting up first terminal group and second terminal group, first terminal group sets up first terminal, terminal seat, contact pin terminal and terminal internal spring, and the terminal seat is cylindric setting and is provided with the through-hole that runs through along the axle center direction, and the first end adaptation of contact pin terminal sets up in the middle part in the through-hole, and the second end of contact pin terminal is located in the terminal seat; the terminal seat is provided with a terminal inner spring along the inner circumference at a position corresponding to the second end of the pin terminal so as to form a terminal connecting groove, and the first terminal is inserted and fixed in the terminal connecting groove; the second terminal group is the same with the first terminal group and sets up, and in the holding tank that the rifle main part was seted up that charges was all inserted in the equal adaptation of first terminal group, second terminal group, the effectual area of contact that charges that has increased the rifle that charges, the damage is charged to the prevention high temperature.
Drawings
FIG. 1 is an exploded view of a directional structure of a charging gun terminal with increased contact area according to the present utility model;
FIG. 2 is a schematic view of an explosion of another direction of the charging gun terminal with increased contact area according to the present utility model;
fig. 3 is a schematic diagram of a combined structure of the charging gun terminal with increased contact area according to the present utility model.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
In order to more clearly and completely describe the technical scheme of the utility model, the utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-3, the present utility model provides a charging gun terminal with increased contact area, which includes a charging gun terminal set mounted on a charging gun body; the charging gun terminal group comprises a first terminal group and a second terminal group; the first terminal group comprises a first terminal 1, a terminal seat 2, a pin terminal 3 and a terminal inner spring 4, wherein the terminal seat 2 is in a cylindrical shape, a through hole 21 penetrating through the terminal seat is arranged along the axis direction, the first end of the pin terminal 2 is adaptively arranged in the middle part in the through hole 21, and the second end of the pin terminal 3 is positioned in the terminal seat 2; the terminal seat 2 is provided with a terminal inner spring 4 along the inner circumference at a position corresponding to the second end of the pin terminal 3 so as to form a terminal connecting groove, and the first terminal 1 is inserted and fixed in the terminal connecting groove; the second terminal group is arranged the same as the first terminal group, and the first terminal group and the second terminal group are both adapted to be inserted into the accommodating groove formed in the charging gun main body.
The charging gun terminal with the increased contact area is applied to a charging gun, and the outer periphery of the terminal of the charging gun is electrically connected with the terminal seat 2 of the charging gun through the inner hole arranged on the terminal of the charging gun and the contact pin terminal 3, so that the charging can be effectively realized by increasing the charging contact area, and the problem of high temperature caused by charging can be solved.
In this embodiment, the charging gun terminal set is mounted and fixed on the charging gun main body, wherein the charging gun terminal set may be fixed in a non-detachable manner or in a detachable manner. The charging gun terminal group comprises a first terminal group and a second terminal group, wherein the first terminal group and the second terminal group are the same terminal group, the first terminal group comprises a first terminal 1, a terminal seat 2, a pin terminal 3 and a terminal inner spring 4, the terminal seat 2 is in a cylindrical shape and is provided with a through hole 21 penetrating in the axis direction, the inner diameter of the middle part of the through hole 21 is adapted to the first end of the pin terminal 3, the inner diameters of two sides of the middle part of the through hole 21 are larger than the outer diameter of the pin terminal 3 so as to facilitate the pin terminal 3 to be inserted into the through hole 21, the first end of the pin terminal 3 is fixed at the middle position in the through hole 21, the second end of the pin terminal 3 is also positioned in the terminal seat 2, the corresponding inner circumference of the terminal seat 2 is surrounded by the terminal inner spring 4, so that the terminal seat 2 and the terminal inner spring 4 form the circumference of a terminal connecting groove, the first terminal 1 is inserted into the terminal connecting groove, and the outer circumference of the first terminal 1 is adapted to be fixed with the circumference of the terminal connecting groove.
In this embodiment, in the holding tank that the rifle main part was seted up is charged in the equal adaptation of first terminal group, second terminal group, and more specifically, the holding tank includes two, and terminal seat 2 of first terminal group inserts fixedly in one of them holding tank, and terminal seat 2 of second terminal group inserts fixedly in another holding tank, and terminal seat 2 and holding tank can adopt detachable or non-detachable fixed mode fixed connection, all can realize the quick charge function of this application.
In this embodiment, the first terminal 1 includes a first end and a second end coaxially connected to each other; the end face of the first end of the first terminal 1 is provided with a first hole 11 along the axis direction, the outer periphery of the first terminal 1 is adapted to the inner periphery of the terminal connecting groove, and the first hole 11 is adapted to the second end of the pin terminal 3; the second end of the first terminal 1 is adapted to an external plug-in.
In this embodiment, the first terminal 11 is configured as a cylinder, two ends of the cylinder are a first end and a second end, the first end and the second end are coaxially disposed, the end face of the first end of the first terminal 1 is provided with a first hole 11 along the axial direction, the first hole 11 is adapted to the second end of the pin terminal 3, that is, the second end of the pin terminal 3 is adapted to be inserted into the first hole 11, and the periphery of the first terminal 1 is adapted to be inserted into the terminal connecting slot, so as to increase the contact area of the first terminal 1, and realize quick charging.
In the embodiment, one end of the terminal seat 2 far away from the terminal inner spring 4 is a through hole and a plug counter bore formed by the pin terminal 3; the terminal seat 2 corresponding to the insertion counter bore is adapted to be inserted into the accommodating groove of the charging gun main body. The accommodating groove is provided with a first connecting rod in a protruding mode along the direction of the central line from the groove bottom, and the periphery of the first connecting rod is matched and fixed with the inside Zhou Shi of the inserting counter bore. The first connecting rod is arranged and is adapted to be fixed with the inserting counter bore so as to fix the terminal seat in the accommodating groove, and the first connecting rod can be integrally formed with the charging gun body or connected with the charging gun body in a mode such as screw fixation, namely, the first connecting rod and the charging gun body can be fixedly connected in a detachable or non-detachable connection mode.
In the present embodiment, the first hole 11 inner periphery of the first terminal 1 is provided with the inclined strips 111 of the convex inner peripheral surface along the port to the hole bottom, and the inclined strips 111 include a plurality of and are uniformly provided on the first hole 11 inner periphery. A plurality of inclined bars 111 are arranged in the first hole 11, and when the first terminal 1 is inserted into the terminal connecting groove, the first hole 11 is tightly sleeved on the pin terminal 3, so that the first terminal 1 can be stably inserted and pulled out, and the contact area of the first terminal 1 is increased.
In the present embodiment, the terminal innerspring 4 includes a plurality of uniform equidistance disposed on the inner periphery of the terminal block 2. The terminal inner spring 4 is arranged in a circular ring shape, an inner groove 22 for accommodating the terminal inner spring 4 is arranged in the terminal seat 2, the terminal inner spring 4 is installed and fixed in the inner groove 22, the terminal inner spring 4 protrudes out of the inner surface of the terminal seat 2, and when the first terminal 1 is inserted into the terminal seat 2, the terminal inner spring 4 is pressed against the inner groove 22 of the terminal seat 2, so that the outer periphery of the first terminal 1 is matched and fixed with the inner Zhou Shi of the terminal seat 2. The terminal innerspring 4 includes a plurality of, and in a specific embodiment, the terminal innerspring 4 includes three, and the equidistance evenly sets up in terminal seat 2 inner periphery, sets up a plurality of terminal innersprings 4 so that better with first terminal 1 fixed fit.
In the present embodiment, the second end outer diameter of the pin terminal 3 is Φ6mm, the outer diameter of the first terminal 1 is Φ12mm, and the inner diameter of the first hole 11 of the first terminal 1 is Φ6.9mm. The second end external diameter of contact pin terminal 3 is phi 6mm, its tolerance is-0.04 mm, the first hole 11 internal diameter of first terminal 1 is phi 6.9mm, contact pin terminal 3, first terminal 1 all adopts copper material preparation shaping, in contact pin terminal 3 inserts first hole 11, can be through contact pin terminal 3 and first terminal 1 electric connection, and then wait to charge the battery through first terminal 1 to the outside, the external diameter of first terminal 1 is phi 12mm, the internal diameter of the accessory that waits to charge that first terminal 1 adapted is phi 12mm, the external diameter of first terminal 1 that is connected with the terminal spread groove is phi 12mm, the area of contact pin terminal 3 and first terminal 1 has been increased promptly, and the area of conduction has been increased.
In this embodiment, the middle part of the pin terminal 3 extends outwards to form a circle of protrusion 31, the first end of the pin terminal 3 is disposed on one side of the protrusion 31, the second end of the pin terminal 3 is disposed on the other side of the protrusion 31, and the length of the second end of the pin terminal 3 is 13.5mm. The contact pin terminal 3 is formed by red copper (red copper) materials, and a counter bore fixedly connected with the terminal seat 2 is formed at the first end of the contact pin terminal 3, so that the tail of the screw is fixed in the counter bore of the contact pin terminal 3 when the charging gun body penetrates into the terminal seat 2 to be locked through the screw.
In this embodiment, the size of the first terminal 1 is adapted to the size of the terminal seat 2, so that when the battery to be charged can be charged, the conductive contact area is effectively increased, that is, the contact area of the inner surface and the outer surface of the terminal is increased, the temperature rising speed of the terminal is slowed down, in specific practical measurement, the temperature rising of the connection position of the charging terminal after the contact area is increased is reduced from the previous temperature rising to 35 ℃ to the temperature rising to 25 ℃, the high temperature problem caused by charging is effectively improved, the service life of the charging gun is prolonged, and the safety performance in the charging process is also improved. A waterproof rubber ring groove is provided on the middle part of the first terminal 1 so as to place a rubber ring, so that the assembly process and the use are waterproof.
In this embodiment, the terminal seat 2 is formed by copper material, the outer periphery of the terminal seat 2 presents a step arrangement along the axial direction, and a groove capable of placing a rubber ring is formed in the middle of the outer periphery of the terminal seat 2, so that the terminal seat 2 is installed on the charging gun main body and can be effectively matched and fixed, and can be effectively waterproof.
In this embodiment, the charging gun further includes a terminal support frame, where the terminal support frame is disposed on the charging gun body and limits and fixes the first terminal set and the second terminal set. The terminal support frame is used for spacing fixedly to first terminal group, second terminal group, and the terminal support frame sets up in the holding tank and supports the rifle terminal group that charges, and the terminal support frame is provided with the logical groove that charges the terminal and pass in the rifle terminal group that charges that supplies, and the terminal that charges passes through the groove and bulge in the holding tank to when the user uses the rifle that charges, the terminal that charges carries out electric connection to the equipment that charges and carries out electric connection and electrically conducts, increases the main part support so that carry out better spacing fixedly to the rifle terminal group that charges, in order to prevent the unstable problem of terminal activity that charges.
In the embodiment, the second terminal group is arranged in the same way as the first terminal group and is respectively fixed on two sides of the center of the charging gun main body; the pitch between the pin terminals 3 of the second terminal group and the pin terminals 3 of the first terminal group is 34mm. The tolerance of the distance between the pin terminals 3 of the first terminal group and the pin terminals 3 of the first terminal group is + -0.05 mm, the longitudinal distance of the two first through grooves is 0, the longitudinal distance between the central axes of the two first through grooves and the central axis of the first arc-shaped wall is 1.2mm, the tolerance thereof is + -0.05 mm, that is, the spacing dimension between the charging terminals in the charging gun terminal group is accurately set, and further, the center distance between the first terminals 1 and the second terminals is 34mm.
According to the charging gun terminal with the increased contact area, the first terminal group and the second terminal group are arranged, the first terminal group is provided with the first terminal 1, the terminal seat 2, the pin terminal 3 and the terminal inner spring 4, the terminal seat 2 is in a cylindrical shape and is provided with the through hole 21 penetrating in the axis direction, the first end of the pin terminal 3 is adaptively arranged in the middle part in the through hole 21, and the second end of the pin terminal 3 is positioned in the terminal seat 2; the terminal seat 2 is provided with a terminal inner spring 4 along the inner circumference at a position corresponding to the second end of the pin terminal 3 to form a terminal connecting groove, and the first terminal 1 is inserted and fixed in the terminal connecting groove; the second terminal group is the same with the first terminal group and sets up, and in the holding tank that the rifle main part was seted up that charges was all inserted in the equal adaptation of first terminal group, second terminal group, the effectual area of contact who charges the rifle that charges that has increased, the prevention high temperature charges leads to the rifle damage that charges.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the utility model.
Claims (10)
1. A charging gun terminal for increasing contact area comprises a charging gun terminal group arranged on a charging gun main body; the charging gun terminal group comprises a first terminal group and a second terminal group;
the first terminal group comprises a first terminal, a terminal seat, a pin terminal and a terminal inner spring, wherein the terminal seat is in a cylindrical shape and is provided with a through hole penetrating in the axis direction, the first end of the pin terminal is adaptively arranged in the middle part in the through hole, and the second end of the pin terminal is positioned in the terminal seat;
the terminal seat is provided with a terminal inner spring along the inner circumference at a position corresponding to the second end of the pin terminal so as to form a terminal connecting groove, and the first terminal is inserted and fixed in the terminal connecting groove;
the second terminal group is arranged the same as the first terminal group, and the first terminal group and the second terminal group are both inserted into the accommodating groove formed in the charging gun main body in an adaptive manner.
2. The charge gun terminal of claim 1, wherein the first terminal comprises a first end and a second end coaxially disposed;
a first hole is formed in the end face of the first end of the first terminal along the axis direction, the first terminal outer Zhou Shi is matched with the inner periphery of the terminal connecting groove, and the first hole is adapted to the second end of the pin terminal;
the second end of the first terminal is adapted to an external insert.
3. The charging gun terminal with increased contact area according to claim 1, wherein one end of the terminal block away from the terminal inner spring is a counter bore formed by the through hole and the pin terminal;
the periphery of the terminal seat corresponding to the insertion counter bore is inserted into the accommodating groove of the charging gun main body in an adaptive mode.
4. A charging gun terminal with increased contact area according to claim 3, wherein the receiving groove is provided with a first connecting rod protruding from the groove bottom along the center line direction, and the outer periphery of the first connecting rod is fixedly matched with the inside Zhou Shi of the insertion counter bore.
5. The charging gun terminal with increased contact area according to claim 2, wherein the first hole inner periphery of the first terminal is provided with a sloping strip of a convex inner peripheral surface from the port to the hole bottom, and the sloping strip comprises a plurality of sloping strips and is uniformly arranged on the first hole inner periphery.
6. The charging gun terminal with increased contact area according to claim 5, wherein said terminal inner spring comprises a plurality of uniform equidistance arranged on the inner circumference of said terminal base.
7. The increased contact area charging gun terminal of claim 1, wherein the pin terminal has a second end outer diameter of phi 6mm, the first terminal has an outer diameter of phi 12mm, and the first terminal has a first bore inner diameter of phi 6.9mm.
8. The charging gun terminal with increased contact area according to claim 1, wherein the middle part of the pin terminal extends outwards to form a circle of bulge, the first end of the pin terminal is arranged on one side of the bulge, and the second end of the pin terminal is arranged on the other side of the bulge;
the second end length of the pin terminal is 13.5mm.
9. The charging gun terminal for increasing contact area according to claim 1, further comprising a terminal support frame, wherein the terminal support frame is arranged on the charging gun main body and is used for limiting and fixing the first terminal group and the second terminal group.
10. The charging gun terminal for increasing contact area according to any one of claims 1 to 9, wherein the second terminal group is provided identically to the first terminal group, and is fixed to both sides of the center of the charging gun body, respectively;
the spacing between the pin terminals of the second terminal set and the pin terminals of the first terminal set is 34mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322111899.1U CN220439937U (en) | 2023-08-08 | 2023-08-08 | Charging gun terminal with increased contact area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322111899.1U CN220439937U (en) | 2023-08-08 | 2023-08-08 | Charging gun terminal with increased contact area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220439937U true CN220439937U (en) | 2024-02-02 |
Family
ID=89698528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322111899.1U Active CN220439937U (en) | 2023-08-08 | 2023-08-08 | Charging gun terminal with increased contact area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220439937U (en) |
-
2023
- 2023-08-08 CN CN202322111899.1U patent/CN220439937U/en active Active
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