CN219959482U - Terminal group for current transmission - Google Patents
Terminal group for current transmission Download PDFInfo
- Publication number
- CN219959482U CN219959482U CN202320631775.3U CN202320631775U CN219959482U CN 219959482 U CN219959482 U CN 219959482U CN 202320631775 U CN202320631775 U CN 202320631775U CN 219959482 U CN219959482 U CN 219959482U
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- Prior art keywords
- terminal
- upper cover
- current transmission
- opening
- transmission according
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- 239000013013 elastic material Substances 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses a terminal group for current transmission, comprising: the terminal is provided with an opening at one opening end, and at least one first positioning groove is arranged outside the terminal corresponding to the opening end; a crown spring disposed in the terminal; and a terminal upper cover, the terminal upper cover establish with the opening, the inside wall of terminal upper cover be equipped with at least one with first location convex structure of first constant head tank looks adaptation, this terminal upper cover be used for with the crown spring maintains in the terminal, this terminal group can improve the area of contact of crown spring, guarantees the stability that the connector is connected, keeps great current flow rate, is provided with location structure simultaneously, realizes equipment simply and convenient to detach.
Description
Technical Field
The utility model relates to the technical field of charging connectors, in particular to a terminal group for current transmission.
Background
The crown spring connector is one of the high-current connectors, and the existing crown spring connectors mainly have two kinds:
(1) Referring to the prior art "M589922 heavy current connector", this patent discloses a crown spring provided with an axial opening, the crown spring is limited in a crown spring terminal sleeve by compressing the space of the opening, the crown spring elastically resets to make it abut against the inner wall of the sleeve due to its own elasticity, and is maintained in the terminal sleeve by its own elasticity, but the contact area of the crown spring in this case is not large enough, and the current flow rate needs to be improved;
(2) Referring to the prior art CN113131254, the split torsion spring jack is disclosed that a thread is arranged at the open end of the crown spring terminal sleeve, the crown spring is placed in the terminal sleeve, and the crown spring can be maintained in the sleeve by locking the nut with the thread at the open end, but in this case, if the crown spring needs to be taken out, the nut needs to be opened by a tool, which is not convenient enough.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the terminal group for current transmission, which can improve the contact area of the crown spring, ensure the connection stability of the connector, maintain a larger current flow rate, and is provided with a positioning structure, so that the terminal group is simple to assemble and convenient to detach.
The technical scheme adopted for solving the technical problems is as follows:
a terminal group for current transmission, comprising: the terminal is provided with an opening at one opening end, and at least one first positioning groove is arranged outside the terminal corresponding to the opening end; a crown spring disposed in the terminal; the terminal upper cover is covered with the opening, at least one first positioning convex structure matched with the first positioning groove is arranged on the inner side wall of the terminal upper cover, and the terminal upper cover is used for maintaining the crown spring in the terminal.
As a further improvement of the scheme, the opening end of the terminal is of an annular opening structure, and the closing end of the terminal upper cover and the terminal is provided with an annular groove structure matched with the opening structure.
As a further improvement of the above scheme, a covering step is arranged on the periphery of the annular opening structure, and the thickness of the outer ring in the annular groove structure of the terminal upper cover is matched with the width of the covering step.
As a further improvement of the scheme, the middle part of the crown spring is provided with a concave waist part, and one end of the crown spring is propped against an inner ring in the annular groove-shaped structure of the upper cover of the terminal.
As a further improvement of the above scheme, the terminal upper cover is made of elastic material.
As a further improvement of the above scheme, the covering step is provided with at least one second positioning groove, and the edge of the terminal upper cover is provided with second positioning convex structures with the same number as the second positioning grooves.
As a further improvement of the above scheme, the terminal upper cover is provided with a clamping hole along the axial direction of the second positioning convex structure.
As a further improvement of the scheme, the middle part of the second positioning convex structure is provided with a first horizontal section, two sides of the first horizontal section are provided with first inclined planes, the middle part of the second positioning groove is provided with a second horizontal section, two sides of the second horizontal section are provided with second inclined planes, and the included angle between the first inclined planes and the horizontal plane is complementary with the included angle between the second inclined planes and the horizontal plane.
As a further improvement of the above scheme, a first vertical section is also arranged between the second horizontal section and the second inclined plane.
As a further improvement of the above scheme, the first positioning groove is provided with an L-shaped structure.
The beneficial effects of the utility model are as follows:
the utility model provides a terminal group for current transmission, which can improve the contact area of a crown spring, ensure the connection stability of a connector, maintain a larger current flow rate, and is provided with a positioning structure, so that the terminal group is simple to assemble and convenient to detach.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a prior art M589922 high current connector;
FIG. 2 is a schematic diagram of a split torsion spring jack of prior art CN 113131254;
FIG. 3 is an overall schematic (isometric) of the present utility model;
FIG. 4 is a structural exploded view of the present utility model;
fig. 5 is an enlarged view at B in fig. 4;
FIG. 6 is a schematic view of a terminal cover in accordance with the present utility model;
FIG. 7 is an enlarged view at A in FIG. 6;
FIG. 8 is an overall schematic (right side view) of the present utility model;
FIG. 9 is a cross-sectional view taken along line 8 A-A;
fig. 10 is an enlarged view at C in fig. 8.
Detailed Description
The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The technical features in the utility model can be interactively combined on the premise of no contradiction and conflict.
Referring to fig. 1, a schematic diagram of a prior art "M589922 high current connector".
Referring to fig. 2, a schematic diagram of a split torsion spring jack of the prior art CN 113131254.
Referring to fig. 3 to 4, a terminal set 1 for current transmission includes a sleeve-shaped terminal 20, a crown spring 30, and a terminal cover 10.
An opening is arranged at an opening end of the terminal 20, at least one first positioning groove 32 is arranged at the outside of the terminal 20 corresponding to the opening end, the first positioning groove 32 is of an L-shaped structure, and the L-shaped structure consists of a first vertical groove axially arranged along the terminal and a second transverse groove encircling the outer surface of the opening end of the terminal.
The crown spring 30 is disposed in the terminal 30, and a concave waist is disposed in the middle of the crown spring 30.
The terminal upper cover 10 is provided with an opening, the inner side wall of the terminal upper cover 10 is provided with at least one first positioning convex structure 11 matched with the first positioning groove 32, and the terminal upper cover 10 is used for maintaining the crown spring 30 in the terminal 20.
By providing the first positioning convex structure 11 and the first positioning groove 32, when the terminal upper cover 10 and the terminal 30 are covered, the first positioning convex structure 11 moves along the L-shaped track line of the first positioning groove 32, so that the first positioning convex structure 11 is not easy to slide out of the first positioning groove 32, and the connection effect is maintained.
Further, the opening end of the terminal 30 is provided with an annular opening structure 31, the terminal upper cover is provided with an outer ring 14 and an inner ring 15, an annular groove structure 16 is arranged between the outer ring 14 and the inner ring 15, the annular groove structure 16 is matched with the annular opening structure 31, the annular opening structure 31 of the terminal 30 is arranged in the annular groove structure 16 when the terminal is assembled, and one end of the crown spring 30 is abutted against the inner ring 15 of the annular groove structure of the terminal upper cover 10.
Further, a covering step 34 is provided on the outer periphery of the annular opening structure 31, and the thickness of the outer ring 15 in the annular groove structure of the terminal upper cover 10 is adapted to the width of the covering step 34, so that the outer ring 15 is attached to the covering step 34 after the terminal upper cover 10 is connected with the terminal 30.
Further, the terminal upper cover 10 is made of an elastic material, at least one second positioning groove 33 is formed on the covering step 34, the edge of the terminal upper cover 10 is provided with second positioning convex structures 12 with the same number as that of the second positioning grooves 33, and the second positioning groove 33 and the second positioning convex structures 12 are arranged to play a role of second positioning, so that the connection between the terminal upper cover 10 and the terminal 30 is reinforced.
The terminal upper cover 10 is equipped with the card hole 13 along the axial of the protruding structure 12 of second location, the middle part of the protruding structure 12 of second location is equipped with first horizontal segment 120, the both sides of first horizontal segment 120 are equipped with first inclined plane 121, the middle part of second positioning groove 33 is established to second horizontal segment 330, the both sides of second horizontal segment 330 are equipped with second inclined plane 332, the contained angle that first inclined plane 121 and horizontal plane are the contained angle complemental with the contained angle that second inclined plane 332 and horizontal plane are presented, still be equipped with first vertical section 331 between second horizontal segment and the second inclined plane.
When the terminal upper cover 10 and the terminal 30 are assembled, the first positioning protruding structure 11 of the terminal upper cover 10 is firstly utilized to slide towards the terminal along the first vertical groove in the first positioning groove 32 of the terminal, at this time, the second positioning protruding structure 12 can be abutted against the covering step 34, because the terminal upper cover 10 adopts elastic materials and is provided with the axial clamping hole 13, at this time, the clamping hole 13 can be compressed by the abutted force, when the first positioning protruding structure 11 reaches the tail end of the first vertical groove, the terminal upper cover 10 is clockwise rotated, the first positioning protruding structure 11 continues to move along the second transverse groove, when the first positioning protruding structure 11 moves to the tail end of the second transverse groove, the second positioning protruding structure 12 reaches the second positioning groove 33, the first inclined surface 121 and the second inclined surface 332 can play a guiding role, the second positioning protruding structure 12 is limited in the second positioning groove 33, at this time, and the clamping hole 13 can be elastically reset to an initial state by utilizing the elastic materials of the terminal upper cover 10.
While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model, and the equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.
Claims (10)
1. A terminal group for current transmission, comprising:
the terminal is provided with an opening at one opening end, and at least one first positioning groove is arranged outside the terminal corresponding to the opening end;
a crown spring disposed in the terminal; and
the terminal upper cover is covered with the opening, at least one first positioning convex structure matched with the first positioning groove is arranged on the inner side wall of the terminal upper cover, and the terminal upper cover is used for maintaining the crown spring in the terminal.
2. The terminal set for current transmission according to claim 1, wherein the opening end of the terminal has an annular opening structure, and the closing end of the terminal upper cover and the terminal has an annular groove structure adapted to the opening structure.
3. The terminal set for current transmission according to claim 2, wherein a cover step is provided on an outer periphery of the annular opening structure, and a thickness of an outer ring in the annular groove structure of the terminal upper cover is adapted to a width of the cover step.
4. The terminal set for current transmission according to claim 2, wherein the middle part of the crown spring is provided with an inwardly concave waist part, and one end of the crown spring is abutted against an inner ring in the annular groove structure of the upper cover of the terminal.
5. A terminal set for current transmission according to claim 3, wherein the terminal upper cover is made of an elastic material.
6. The terminal set for current transmission according to claim 5, wherein the cover step is provided with at least one second positioning groove, and the edge of the terminal upper cover is provided with second positioning convex structures with the same number as the second positioning grooves.
7. The terminal set for current transmission according to claim 6, wherein the terminal upper cover is provided with a snap hole in an axial direction of the second positioning convex structure.
8. The terminal set for current transmission according to claim 6, wherein a first horizontal section is provided in a middle portion of the second positioning convex structure, first inclined surfaces are provided on both sides of the first horizontal section, a second horizontal section is provided in a middle portion of the second positioning groove, second inclined surfaces are provided on both sides of the second horizontal section, and an included angle between the first inclined surface and a horizontal plane is complementary to an included angle between the second inclined surface and the horizontal plane.
9. The terminal set for current transmission according to claim 8, wherein a first vertical section is further provided between the second horizontal section and the second inclined surface.
10. The terminal set for current transmission according to claim 1, wherein the first positioning groove is provided in an L-shaped structure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320146644 | 2023-01-13 | ||
| CN2023201466446 | 2023-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219959482U true CN219959482U (en) | 2023-11-03 |
Family
ID=88549960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320631775.3U Active CN219959482U (en) | 2023-01-13 | 2023-03-21 | Terminal group for current transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219959482U (en) |
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2023
- 2023-03-21 CN CN202320631775.3U patent/CN219959482U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |