CN219760014U - Low-resistance energy storage connector terminal - Google Patents
Low-resistance energy storage connector terminal Download PDFInfo
- Publication number
- CN219760014U CN219760014U CN202321210655.2U CN202321210655U CN219760014U CN 219760014 U CN219760014 U CN 219760014U CN 202321210655 U CN202321210655 U CN 202321210655U CN 219760014 U CN219760014 U CN 219760014U
- Authority
- CN
- China
- Prior art keywords
- conversion sleeve
- energy storage
- riveting
- resistance energy
- connector terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 66
- 238000003466 welding Methods 0.000 claims abstract description 9
- 238000002788 crimping Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model provides a low-resistance energy storage connector terminal, which comprises a terminal body, a conversion sleeve and a drum spring, wherein a first end of the terminal body is provided with a plate-shaped connecting part in a molding way, a second end of the terminal body is provided with a tubular connecting part in a molding way, and the plate-shaped connecting part is provided with a connecting hole; the conversion sleeve is provided with a closed end and an open end, and the closed end of the conversion sleeve is connected to the connecting hole in a spin riveting manner; the drum spring is connected with the conversion sleeve by laser welding, and the structure of the drum spring is matched with that of the conversion sleeve. The low-resistance energy storage connector terminal has the advantages of fewer parts, simple structure and low raw material and processing cost; the conversion sleeve is connected with the plate-shaped connecting part in a spin riveting mode, so that the connection strength is high, and the product performance can be improved; the drum spring is fixedly connected with the conversion sleeve in a laser welding mode, so that the contact resistance of the drum spring and the conversion sleeve is close to zero, the temperature rise can be reduced, the structural strength and the connection reliability are enhanced, the drum spring is prevented from falling off, and the service life of a product is prolonged.
Description
Technical Field
The utility model relates to the technical field of connectors for energy storage systems, in particular to a low-resistance energy storage connector terminal.
Background
The energy storage connector is an important component in the energy storage system and plays roles in connection and conduction of high current. The energy storage connector terminals commonly used at present relate to a plurality of parts from a cable crimping end to a board end to board end, and all the parts are connected together in a plurality of modes. In some existing energy storage connector terminals, an interference fit is usually adopted between the cable terminal and the switching sleeve to enable the cable terminal and the switching sleeve to be fastened, but the problem of insufficient connecting force causes large contact resistance, and serious falling off occurs in the use process of the switching sleeve; the assembly mode between the conversion sleeve and the drum spring is that the drum spring is firstly arranged in the conversion sleeve, then a cover cap is added on the conversion sleeve to prevent the drum spring from falling off, the drum spring and the conversion sleeve are completely contacted with each other by the tension of the drum spring, and the drum spring is easy to deform to contact with the conversion sleeve insufficiently along with the repeated insertion and extraction of the energy storage connector in the use process, so that the contact resistance is increased, the temperature rise is too high, and the ignition is seriously caused; the sleeve and the cap are integrated, but the sleeve is provided with an inner step which is manufactured by machining, so that the cost is high and the process is complex; the drum spring is extruded to reduce the outer diameter and then is arranged in the sleeve, and the problem that the drum spring is invalid due to insufficient contact with the sleeve can be solved. Accordingly, improvements in energy storage connector terminals are needed.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a low-resistance energy storage connector terminal which has the advantages of simplifying the structure, reducing the cost, improving the connection strength, reducing the contact resistance, improving the use safety and prolonging the service life.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the low-resistance energy storage connector terminal comprises a terminal body, a conversion sleeve and a drum spring, wherein the terminal body is of an integrated structure, a plate-shaped connecting part is formed at the first end of the terminal body, a tubular connecting part is formed at the second end of the terminal body, and a connecting hole is formed in the plate-shaped connecting part; the conversion sleeve is of a cylindrical structure and is provided with a closed end and an open end, and the closed end of the conversion sleeve is connected to the connecting hole in a spin riveting mode; the drum spring is arranged in the conversion sleeve, the drum spring is connected with the conversion sleeve through laser welding, and the structure of the drum spring is matched with that of the conversion sleeve.
Preferably, the closed end of the conversion sleeve is spin-riveted to form a riveted part, and the structure of the riveted part is matched with that of the connecting hole.
Preferably, the caulking portion includes a first caulking structure connected with the closed end of the conversion sleeve and a second caulking structure connected with the first caulking structure.
Preferably, the connecting hole comprises a first connecting hole and a second connecting hole, the first connecting hole is communicated with the second connecting hole, the structure of the first connecting hole is matched with the first riveting structure, and the structure of the second connecting hole is matched with the second riveting structure.
Preferably, the first riveting structure is a cylindrical structure, the second riveting structure is a circular truncated cone-shaped structure, the small diameter end of the circular truncated cone-shaped structure is connected with the first riveting structure, and the outer diameter of the large diameter end of the circular truncated cone-shaped structure is larger than the outer diameter of the first riveting structure.
Preferably, the central axis of the connecting hole is perpendicular to the plane of the plate-shaped connecting portion.
Preferably, a crimp hole for crimping the cable conductor is provided in the cylindrical connecting portion, and a central axis of the crimp hole is perpendicular to a central axis of the connecting hole.
Preferably, the inner wall edge of the opening end of the conversion sleeve is provided with a guide inclined plane.
Preferably, an oblique transition portion is provided on the terminal body between the plate-like connection portion and the cylindrical connection portion.
Preferably, the material of the terminal body is the same as or different from the material of the conversion sleeve.
Compared with the prior art, the utility model has the beneficial effects that: the low-resistance energy storage connector terminal has the advantages of fewer parts, simple structure and low raw material and processing cost; the conversion sleeve is connected with the plate-shaped connecting part in a spin riveting mode, so that the connection strength is high, and the product performance can be improved; the drum spring is fixedly connected with the conversion sleeve in a laser welding mode, so that the contact resistance of the drum spring and the conversion sleeve is close to zero, the temperature rise can be reduced, the structural strength and the connection reliability are enhanced, the drum spring is prevented from falling off, and the service life of a product is prolonged.
Drawings
Fig. 1 is a perspective view of a low resistance energy storage connector terminal according to an embodiment of the present utility model from a first perspective.
Fig. 2 is a split view of a first view of a low resistance energy storage connector terminal according to an embodiment of the present utility model.
Fig. 3 is a perspective view of a second view of a low resistance energy storage connector terminal according to an embodiment of the present utility model.
Fig. 4 is a split view of a second view of a low resistance energy storage connector terminal according to an embodiment of the present utility model.
Fig. 5 is a perspective view of a third view of a low resistance energy storage connector terminal according to an embodiment of the present utility model.
In the figure, 1-terminal body, 11-plate-like connection part, 12-tubular connection part, 13-connection hole, 131-first connection hole, 132-second connection hole, 14-crimping hole, 15-oblique transition part, 2-conversion sleeve, 21-riveting part, 211-first riveting structure, 212-second riveting structure, 22-guiding inclined plane, 3-drum spring.
Description of the embodiments
For a further understanding of the objects, construction, features and functions of the utility model, reference should be made to the following detailed description of the preferred embodiments.
Referring to fig. 1 to 5 in combination, fig. 1 is a perspective view of a first view of a low-resistance energy storage connector terminal according to an embodiment of the present utility model, fig. 2 is a perspective view of a first view of a low-resistance energy storage connector terminal according to an embodiment of the present utility model, fig. 3 is a perspective view of a second view of a low-resistance energy storage connector terminal according to an embodiment of the present utility model, fig. 4 is a perspective view of a second view of a low-resistance energy storage connector terminal according to an embodiment of the present utility model, and fig. 5 is a perspective view of a third view of a low-resistance energy storage connector terminal according to an embodiment of the present utility model.
The utility model relates to a low-resistance energy storage connector terminal, which comprises a terminal body 1, a conversion sleeve 2 and a drum spring 3, wherein the terminal body 1 is of an integrated structure, a plate-shaped connecting part 11 is formed at a first end of the terminal body 1, a cylindrical connecting part 12 is formed at a second end of the terminal body 1, and a connecting hole 13 is formed in the plate-shaped connecting part 11. The conversion sleeve 2 is of a cylindrical structure, the conversion sleeve 2 is provided with a closed end and an open end, and the closed end of the conversion sleeve 2 is connected to the connecting hole 13 in a spin riveting mode. The drum spring 3 is arranged in the conversion sleeve 2, the drum spring 3 is connected with the conversion sleeve 2 through laser welding, and the structure of the drum spring 3 is matched with that of the conversion sleeve 2.
In application, the terminal body 1 is manufactured by adopting an integral molding process, when the terminal is assembled, the drum spring 3 is firstly arranged in the conversion sleeve 2 from the opening end of the conversion sleeve 2, the drum spring 3 is fixedly connected with the conversion sleeve 2 by utilizing a laser welding process, and then the closed end of the conversion sleeve 2 is screwed and riveted to the connecting hole 13, so that the tight connection between the drum spring 3 and the conversion sleeve 2 and the tight connection between the conversion sleeve 2 and the terminal body 1 are realized. The low-resistance energy storage connector terminal has the advantages of fewer parts, simple structure and low raw material and processing cost; the conversion sleeve 2 is connected with the plate-shaped connecting part 11 in a spin riveting mode, so that the connection strength is high, the contact resistance is small, and the product performance can be improved; the drum spring 3 is integrally and fixedly connected with the conversion sleeve 2 in a laser welding mode, so that the contact resistance of the drum spring 3 and the conversion sleeve is close to zero, the temperature rise is reduced, the structural strength and the connection reliability are enhanced, the drum spring is prevented from falling off, and the service life of a product is prolonged.
In the preferred embodiment of the present utility model, the closed end of the conversion sleeve 2 is spin-riveted to form a rivet portion 21, and the structure of the rivet portion 21 matches the structure of the connection hole 13.
In some embodiments, the rivet 21 includes a first rivet structure 211 and a second rivet structure 212, the first rivet structure 211 being connected to the closed end of the conversion sleeve 2, the second rivet structure 212 being connected to the first rivet structure 211. Correspondingly, the connecting hole 13 includes a first connecting hole 131 and a second connecting hole 132, the first connecting hole 131 and the second connecting hole 132 are mutually communicated, the structure of the first connecting hole 131 is matched with the first riveting structure 211, and the structure of the second connecting hole 132 is matched with the second riveting structure 212.
Referring to fig. 2 and fig. 4 in combination, in an embodiment, the first riveting structure 211 is a cylindrical structure, the second riveting structure 212 is a truncated cone-shaped structure, and a small diameter end of the truncated cone-shaped structure is connected with the first riveting structure 211, and an outer diameter of a large diameter end of the truncated cone-shaped structure is larger than an outer diameter of the first riveting structure 211. The first connection hole 131 is engaged with the first rivet structure 211, and the second connection hole 132 is engaged with the second rivet structure 212. So, after conversion sleeve 2 rivets soon to connecting hole 13 department, conversion sleeve 2 and platelike connecting portion 11 can the close contact, has reduced contact resistance, and second riveted structure 212 plays spacing effect, can further avoid conversion sleeve 2 to drop, improves product safety in utilization. However, the present utility model is not limited thereto, and in other embodiments, the riveting portion 21 may be spin-riveted into other reasonable structures.
In the preferred embodiment of the utility model, the central axis of the connecting hole 13 is perpendicular to the plane of the plate-like connecting portion 11.
Referring to fig. 5, in the preferred embodiment of the present utility model, the inside of the cylindrical connection portion 12 is provided with a crimp hole 14 for crimping the cable conductor, and the central axis of the crimp hole 14 is perpendicular to the central axis of the connection hole 13.
Referring to fig. 1 or 2, in a preferred embodiment of the present utility model, the inner wall edge of the opening end of the conversion sleeve 2 is provided with a guiding inclined surface 22. When the drum spring 3 is installed in the conversion sleeve 2, the guide inclined surface 22 can play a guiding role, so that the assembly efficiency is improved.
Referring to fig. 1 or 2, in a preferred embodiment of the present utility model, a sloped transition portion 15 is provided on the terminal body 1 between the plate-shaped connection portion 11 and the cylindrical connection portion 12. The inclined transition part 15 can strengthen the structural strength of the terminal body 1, avoid fracture and prolong the service life of the product.
In the preferred embodiment of the present utility model, the material of the terminal body 1 is the same as or different from the material of the conversion sleeve 2, and can be reasonably set according to actual requirements. The conversion sleeve 2 is connected to the plate-shaped connecting part 11 in a spin riveting mode, and even if the materials of the conversion sleeve and the plate-shaped connecting part are different, the two materials can be mutually penetrated and closely contacted after spin riveting, so that the connection firmness is improved, the contact resistance is reduced, and the safety performance of a product in use is improved.
In summary, the utility model provides a low-resistance energy storage connector terminal, which has the advantages of fewer parts, simple structure and low raw material and processing cost; the conversion sleeve is connected with the plate-shaped connecting part in a spin riveting mode, so that the connection strength is high, and the product performance can be improved; the drum spring is fixedly connected with the conversion sleeve in a laser welding mode, so that the contact resistance of the drum spring and the conversion sleeve is close to zero, the temperature rise can be reduced, the structural strength and the connection reliability are enhanced, the drum spring is prevented from falling off, and the service life of a product is prolonged.
The utility model has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the utility model. It should be noted that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (10)
1. A low resistance energy storage connector terminal, characterized by: the novel high-voltage power supply comprises a terminal body, a conversion sleeve and a drum spring, wherein the terminal body is of an integrated structure, a plate-shaped connecting part is formed at the first end of the terminal body, a cylindrical connecting part is formed at the second end of the terminal body, and a connecting hole is formed in the plate-shaped connecting part; the conversion sleeve is of a cylindrical structure and is provided with a closed end and an open end, and the closed end of the conversion sleeve is connected to the connecting hole in a spin riveting mode; the drum spring is arranged in the conversion sleeve, the drum spring is connected with the conversion sleeve through laser welding, and the structure of the drum spring is matched with that of the conversion sleeve.
2. The low resistance energy storage connector terminal of claim 1, wherein: the blind end of the conversion sleeve is screwed and riveted to form a riveting part, and the structure of the riveting part is matched with that of the connecting hole.
3. The low resistance energy storage connector terminal of claim 2, wherein: the riveting portion comprises a first riveting structure and a second riveting structure, the first riveting structure is connected with the closed end of the conversion sleeve, and the second riveting structure is connected with the first riveting structure.
4. A low resistance energy storage connector terminal as defined in claim 3, wherein: the connecting holes comprise first connecting holes and second connecting holes, the first connecting holes are communicated with the second connecting holes, the structures of the first connecting holes are matched with the first riveting structures, and the structures of the second connecting holes are matched with the second riveting structures.
5. A low resistance energy storage connector terminal as defined in claim 3, wherein: the first riveting structure is a cylindrical structure, the second riveting structure is a round table-shaped structure, the small-diameter end of the round table-shaped structure is connected with the first riveting structure, and the outer diameter of the large-diameter end of the round table-shaped structure is larger than that of the first riveting structure.
6. The low resistance energy storage connector terminal of claim 1, wherein: the central axis of the connecting hole is perpendicular to the plane where the plate-shaped connecting part is located.
7. The low resistance energy storage connector terminal of claim 1, wherein: the inside of tubular connection portion is equipped with the crimping hole that is used for crimping cable conductor, the axis in crimping hole is perpendicular to the axis in connecting hole.
8. The low resistance energy storage connector terminal of claim 1, wherein: the inner wall edge of the opening end of the conversion sleeve is provided with a guide inclined plane.
9. The low resistance energy storage connector terminal of claim 1, wherein: and an inclined transition part is arranged on the terminal body between the plate-shaped connecting part and the tubular connecting part.
10. The low resistance energy storage connector terminal of claim 1, wherein: the material of the terminal body is the same as or different from that of the conversion sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321210655.2U CN219760014U (en) | 2023-05-18 | 2023-05-18 | Low-resistance energy storage connector terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321210655.2U CN219760014U (en) | 2023-05-18 | 2023-05-18 | Low-resistance energy storage connector terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219760014U true CN219760014U (en) | 2023-09-26 |
Family
ID=88073224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321210655.2U Active CN219760014U (en) | 2023-05-18 | 2023-05-18 | Low-resistance energy storage connector terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219760014U (en) |
-
2023
- 2023-05-18 CN CN202321210655.2U patent/CN219760014U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101593887A (en) | A kind of wire spring plug bush and assembly method thereof | |
| CN219760014U (en) | Low-resistance energy storage connector terminal | |
| CN201584539U (en) | Terminal of power connector of printed board | |
| CN110768046A (en) | Chip type signal electric connector | |
| CN201436716U (en) | Heavy current connector | |
| CN209057060U (en) | A kind of starting motor | |
| CN220021681U (en) | Electric energy transmission mechanism | |
| CN110707456A (en) | High-current plug connector component and high-current plug connector | |
| CN212517616U (en) | High-current terminal | |
| CN215497185U (en) | Electric connector with crown spring | |
| CN209913173U (en) | Large-current quick plug-pull connector and connector assembly | |
| CN219245631U (en) | Current probe and braided wire connection structure | |
| CN221057689U (en) | Stamping terminal of charging interface | |
| CN216354894U (en) | High-voltage connector | |
| CN215680905U (en) | Angular terminal with embedded nut | |
| CN210576590U (en) | High-current plug connector component and high-current plug connector | |
| CN113300126B (en) | Crown spring connecting device | |
| CN216436154U (en) | Socket assembly of electric connector | |
| CN219739428U (en) | FPC connector | |
| CN212991397U (en) | Electric connector and electric connection assembly | |
| CN219658994U (en) | Terminal applied to photovoltaic connector of photovoltaic module | |
| CN214673237U (en) | Spring pin type battery charging seat connector | |
| CN220527316U (en) | Single PIN high-current electric connector | |
| CN218160930U (en) | Line end plug and energy storage connector | |
| CN215816514U (en) | Plate end spring sheet type connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |