CN211700668U - Bidirectional contact large-current terminal - Google Patents
Bidirectional contact large-current terminal Download PDFInfo
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- CN211700668U CN211700668U CN202020572223.6U CN202020572223U CN211700668U CN 211700668 U CN211700668 U CN 211700668U CN 202020572223 U CN202020572223 U CN 202020572223U CN 211700668 U CN211700668 U CN 211700668U
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- contact
- terminal
- elastic sheet
- sheet
- groove
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Abstract
The utility model provides a two-way contact heavy current terminal. The bidirectional contact high-current terminal comprises a first terminal body and a second terminal body which are connected with each other: after the first terminal main body and the second terminal main body are connected, a first groove and a second groove are formed, a first contact elastic sheet is arranged in the first groove, and a second contact elastic sheet is arranged in the second groove; the first contact elastic sheet is provided with a first inserting sheet which is in contact with the first contact elastic sheet, and the second contact elastic sheet is provided with a second inserting sheet which is in contact with the second contact elastic sheet. The two-way contact heavy current terminal provided by the utility model has the advantages that the jacks adopt the sheet structure, so that the tail end of the insertion sheet can adopt ultrasonic welding, and the two ends of the insertion sheet can be inserted and pulled out; and under the same sectional area, the sheet structure can enable the current-carrying capacity to be stronger, the temperature rise to be lower and the conductivity to be better.
Description
Technical Field
The utility model relates to an electrical equipment technical field, concretely relates to two-way contact heavy current terminal.
Background
The jack of current terminal generally adopts circular structure, is connected for the crimping with the cable and is connected, and it is difficult to adopt ultrasonic welding preparation pencil. In addition, after the insertion, the contact points of the reed and the contact pin are few, the contact area is small, the current carrying capacity under the same volume size is weak, and the temperature rise is high; the overall structure size is great, needs to adopt the machining mode to make the cost of manufacture improve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a two-way contact heavy current terminal.
The utility model provides a pair of two-way contact heavy current terminal, first terminal main part and second terminal main part including interconnect:
after the first terminal main body and the second terminal main body are connected, a first groove and a second groove are formed, a first contact elastic sheet is arranged in the first groove, and a second contact elastic sheet is arranged in the second groove;
the first contact elastic sheet is provided with a first inserting sheet in contact with the first contact elastic sheet, and the second contact elastic sheet is provided with a second inserting sheet in contact with the second contact elastic sheet.
The utility model provides a pair of two-way contact heavy current terminal still includes following attached technical scheme:
and the first contact elastic sheet and the second contact elastic sheet are both provided with concave-convex structures.
The cross sections of the first groove and the second groove are both U-shaped; the first contact elastic sheet and the second contact elastic sheet are bent into corresponding U-shaped structures.
The two ends of the first terminal main body and the two ends of the second terminal main body are both provided with bends, and the first contact elastic piece and the second contact elastic piece are both provided with flanges matched with the bends.
The two ends of the first terminal main body and the two ends of the second terminal main body are both provided with clamping grooves, and the first contact elastic sheet and the second contact elastic sheet are both provided with clamping pieces matched with the clamping grooves.
The first terminal body and the second terminal body are both provided with through holes, and rivets penetrate through the through holes to connect the first terminal body and the second terminal body.
The concave-convex structure is arranged on the parts of the first contact spring piece and the second contact spring piece, which are contacted with the first terminal main body and the second terminal main body.
Wherein, the concave-convex structure is a wave structure.
The bidirectional contact large-current terminal is formed in a stamping mode.
The utility model discloses an implement including following technological effect:
1. the jack adopts a sheet structure, the tail end of the inserting sheet can adopt ultrasonic welding, and two ends of the inserting sheet can be plugged and unplugged;
2. the sheet structure has strong current-carrying capacity, lower temperature rise and better conductivity under the condition of the same sectional area;
3. the contact spring plate adopts a double-wave structure, so that more contact points are arranged, the flat arrangement effectively weakens the skin effect of current, the contact area of the terminal is larger, the current-carrying capacity is stronger, and the temperature rise is lower;
4. the overall structure is small in size, and the space required by the device is smaller when the device is used;
5. the whole structure can be completed by punch forming, is more suitable for mass production, effectively reduces the cost and meets the market demand.
Drawings
Fig. 1 is a cross-sectional view of a bidirectional contact high-current terminal according to the present invention;
fig. 2 is an exploded view of another bi-directional contact high current terminal of the present invention;
fig. 3 is an assembly view of a partial structure in the bidirectional contact large current terminal of the present invention;
fig. 4 is a schematic structural view of a first contact spring and a second contact spring in a bidirectional contact large-current terminal according to the present invention;
fig. 5 is a schematic structural diagram of the first terminal main body and the second terminal main body in the bidirectional contact large current terminal of the present invention.
In the figure, 1-a first terminal main body, 2-a second terminal main body, 3-a first groove, 4-a second groove, 5-a first contact elastic sheet, 6-a second contact elastic sheet, 7-a first insertion sheet, 8-a second insertion sheet, 9-a concave-convex structure, 10-bending, 11-flanging, 12-a clamping groove, 13-a clamping sheet, 14-a through hole and 15-a rivet.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
As shown in fig. 1 and 2, the utility model provides a pair of two-way contact heavy current terminal, first terminal main part 1 and second terminal main part 2 including interconnect:
after the first terminal main body 1 and the second terminal main body 2 are connected, a first groove 3 and a second groove 4 are formed, a first contact elastic sheet 5 is arranged in the first groove 3, and a second contact elastic sheet 6 is arranged in the second groove 4;
the first contact elastic sheet 5 is provided with a first inserting sheet 7 which is in contact with the first contact elastic sheet 5, and the second contact elastic sheet 6 is provided with a second inserting sheet 8 which is in contact with the second contact elastic sheet 6.
The two-way contact heavy current terminal provided by the utility model has the advantages that the jacks adopt the sheet structure, so that the tail end of the insertion sheet can adopt ultrasonic welding, and the two ends of the insertion sheet can be inserted and pulled out; and under the same sectional area, the sheet structure can enable the current-carrying capacity to be stronger, the temperature rise to be lower and the conductivity to be better.
In one embodiment, as shown in fig. 1 to 4, the first contact dome 5 and the second contact dome 6 are both provided with a concave-convex structure 9.
In this embodiment, the concave-convex structures are arranged on the first contact elastic sheet 5 and the second contact elastic sheet 6, so that the contact points between the first contact elastic sheet 5 and the second contact elastic sheet 6 and between the first terminal main body 1 and the second terminal main body 2 are more, the skin effect of current is effectively weakened, the contact area of the terminals is larger, the current carrying capacity is higher, and the temperature rise is lower.
In one embodiment, as shown in fig. 1-4, the cross-sections of the first groove 3 and the second groove 4 are both shaped as a U; the first contact elastic sheet 5 and the second contact elastic sheet 6 are bent into corresponding U-shaped structures.
The cross sections of the first groove 3 and the second groove 4 are both U-shaped; simultaneously, the first contact elastic sheet 5 and the second contact elastic sheet 6 are bent into corresponding U-shaped structures, so that the bouncing directions of the first contact elastic sheet 5 and the second contact elastic sheet 6 are inward, and the terminals of the first inserting sheet 7 and the second inserting sheet 8 can be uniformly stressed when being inserted.
In one embodiment, as shown in fig. 3 to 5, two ends of the first terminal main body 1 and the second terminal main body 2 are both provided with a bend 10, and the first contact spring 5 and the second contact spring 6 are both provided with a flange 11 that is matched with the bend 10.
In this embodiment, the first contact elastic piece 5 and the second contact elastic piece 6 are fixed to the first terminal main body 1 and the second terminal main body 2 by the bending 10 at the two ends of the first terminal main body 1 and the second terminal main body 2 and the flanging 11 on the first contact elastic piece 5 and the second contact elastic piece 6.
In one embodiment, as shown in fig. 4, the first terminal body 1 and the second terminal body 2 are provided with card slots 12 at both ends thereof, and the first contact spring 5 and the second contact spring 6 are provided with cards 13 engaged with the card slots 12. In this embodiment, the first contact spring 5 and the second contact spring 6 are further fixed to the first terminal body 1 and the second terminal body 2 by the cooperation of the card slot 12 and the card 13.
In one embodiment, as shown in fig. 1 to 3, through holes 14 are provided in the first terminal body 1 and the second terminal body 2, and rivets 15 are inserted through the through holes 14 to connect the first terminal body 1 and the second terminal body 2.
Preferably, as shown in fig. 4, the concave-convex structure 9 is disposed on the first contact dome 5 and the second contact dome 6 at the contact portion with the first terminal body 1 and the second terminal body 2.
In this embodiment, the concave-convex structure 9 is only disposed at the contact portions of the first contact spring 5 and the second contact spring 6 with the first terminal body 1 and the second terminal body 2, so that the contact areas of the first contact spring 5 and the second contact spring 6 with the first terminal body 1 and the second terminal body 2 are increased, and the strength of the first contact spring 5 and the strength of the second contact spring 6 are not reduced.
Preferably, as shown in fig. 4, the concave-convex structure 9 is a wave structure, which is convenient for processing.
Preferably, the bidirectional contact large-current terminal is formed by stamping. The two-way contact heavy current terminal formed by the stamping mode is suitable for mass production and lower in cost.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (9)
1. A bi-directional contact high current terminal comprising first and second terminal bodies interconnected:
after the first terminal main body and the second terminal main body are connected, a first groove and a second groove are formed, a first contact elastic sheet is arranged in the first groove, and a second contact elastic sheet is arranged in the second groove;
the first contact elastic sheet is provided with a first inserting sheet in contact with the first contact elastic sheet, and the second contact elastic sheet is provided with a second inserting sheet in contact with the second contact elastic sheet.
2. The bi-directional contact high-current terminal as claimed in claim 1, wherein the first contact spring piece and the second contact spring piece are both provided with a concave-convex structure.
3. The bidirectional contact large-current terminal as claimed in claim 1 or 2, wherein the first and second grooves are each provided with a U-shaped cross section; the first contact elastic sheet and the second contact elastic sheet are bent into corresponding U-shaped structures.
4. The bi-directional contact large current terminal of claim 3, wherein two ends of the first terminal main body and the second terminal main body are both provided with a bend, and the first contact spring piece and the second contact spring piece are both provided with a flange matched with the bend.
5. The bi-directional contact high-current terminal as claimed in claim 4, wherein the first terminal body and the second terminal body are provided with a slot at both ends thereof, and the first contact spring piece and the second contact spring piece are provided with a card engaged with the slot.
6. A bi-directional contact high current terminal as claimed in claim 1 or 2, wherein each of said first and second terminal bodies is provided with a through hole, and a rivet is inserted through said through holes to connect said first and second terminal bodies.
7. The bi-directional contact high current terminal of claim 2, wherein the concave-convex structure is disposed on the first contact spring and the second contact spring at a contact portion of the first terminal body and the second terminal body.
8. The bi-directional contact high current terminal of claim 7, wherein said rugged structure is a wave structure.
9. The bi-directional contact high current terminal of claim 1 or 2, wherein said bi-directional contact high current terminal is formed by stamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020572223.6U CN211700668U (en) | 2020-04-16 | 2020-04-16 | Bidirectional contact large-current terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020572223.6U CN211700668U (en) | 2020-04-16 | 2020-04-16 | Bidirectional contact large-current terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211700668U true CN211700668U (en) | 2020-10-16 |
Family
ID=72782826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020572223.6U Active CN211700668U (en) | 2020-04-16 | 2020-04-16 | Bidirectional contact large-current terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211700668U (en) |
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2020
- 2020-04-16 CN CN202020572223.6U patent/CN211700668U/en active Active
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