Large-current contact element
By designing a large current contact piece including crimp sleeve, pin column, jack mounting column, front and rear insulating parts, the problem of degradation of conductivity of existing contact pieces under high current is solved by using threaded connections and sealing rings, and the problem of degradation of conductivity of existing contact pieces under high current is realized. Stable conductivity and simplified assembly for high current transmission.
Patent Information
- Application Number
- CN202420406999.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-04
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-03-04
AI Technical Summary
The current high-current contacts have deteriorated electrical conductivity under high current conditions, making it difficult to meet the needs of high current transmission.
A high-current contact piece including crimp sleeves, pin columns, jack mounting columns, front and rear insulating parts are designed to ensure conductivity through threaded connections and sealing rings, using copper and PEEK materials to improve mechanical properties. and structural stability.
It achieves good conductivity under high current conditions, and simplifies the equipment structure and assembly process, reducing the difficulty of preparation and use.
Smart Images
Figure CN222282283U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electrical equipment, and in particular relates to a high-current contact piece. Background Art
[0002] At present, in many electrical devices, it is necessary to use a contact that can withstand high current and maintain good conductivity. However, most of the contacts on the market currently have the problem of reduced conductivity under high current conditions. Therefore, how to develop a high-current contact with a new structure to overcome the above problems is a direction that technicians in this field need to further study. Utility Model Content
[0003] The utility model aims to provide a high-current contact piece, which can be used as a contact piece to meet the plug-in use of high-current transmission.
[0004] The utility model provides a high current contact piece, which comprises:
[0005] A crimping sleeve, wherein a pin cavity is provided in the crimping sleeve, a pin entrance leading to the pin cavity is provided at one end of the crimping sleeve, a first cylindrical boss is provided at the other end of the crimping sleeve, and an outer wall of the first cylindrical boss is provided with an external thread;
[0006] A pin column, one end of which is provided with a crimping fixing cavity, the inner side wall of which is provided with an internal thread corresponding to the external thread, the first cylindrical boss and the crimping fixing cavity are fixed as a whole through the threaded connection between the internal thread and the external thread; the cavity wall of the crimping fixing cavity is also provided with a screw mounting hole extending in the radial direction of the crimping fixing cavity, the screw mounting hole is used to install a tightening screw; the other end of the pin column is provided with a second cylindrical boss;
[0007] A jack mounting column, wherein a jack cavity is provided in the jack mounting column, a jack entrance leading to the jack cavity is provided at one end of the jack mounting column, and a pin column fixing cavity is provided at the other end of the jack mounting column, and the pin column fixing cavity is sleeved on the outer side wall of the second cylindrical boss;
[0008] A front insulating member, the front insulating member is respectively connected to the crimping sleeve and the pin column, and is used to press the crimping fixing cavity onto the first cylindrical boss;
[0009] A rear insulating member is connected to the pin column and the socket mounting column respectively, and is used to press the pin column fixing cavity onto the second cylindrical boss.
[0010] Preferably, a first annular convex edge is provided in the middle section of the column body of the pin column, a first sealing groove is provided on the side wall of the first annular convex edge, and a first sealing ring is provided in the first sealing groove; the front insulating member comprises: a first insulating plate and a second insulating plate; the first insulating plate comprises a first axial plate and a first radial plate connected to the first axial plate, the first axial plate is pressed onto the side wall of the first annular convex edge, and the left end face of the first radial plate is pressed onto the right end face of the first annular convex edge; the second insulating plate is located on the outside of the crimping fixing cavity, and the right end face of the second insulating plate is respectively abutted against the left end face of the first insulating plate and the left end face of the first axial plate.
[0011] Preferably, a second annular convex edge is provided in the middle section of the column body of the jack mounting column; the rear insulating member comprises: a third insulating plate and a fourth insulating plate; the third insulating plate comprises a second axial plate and a second radial plate connected to the second axial plate, the left end face of the second radial plate abuts against the right single face of the first radial plate, the right end face of the second radial plate abuts against the cavity end face of the pin column fixing cavity, the second axial plate is pressed onto the outer side wall of the pin column fixing cavity, and the right end face of the second axial plate abuts against the left end face of the second annular convex edge; the fourth insulating plate comprises a third axial plate and a third radial plate connected to the third axial plate, the third radial plate is pressed onto the left end face of the second annular convex edge; the third axial plate is pressed onto the side wall of the second annular convex edge, and the left end face of the third axial plate abuts against the right end face of the second axial plate; a second sealing groove is provided on the inner side wall of the pin column fixing cavity, and a second sealing ring is provided in the second sealing groove.
[0012] Preferably, the crimping sleeve, the pin column and the socket mounting column are respectively made of red copper.
[0013] Preferably, the front insulating member and the rear insulating member are respectively made of PEEK.
[0014] Compared with the prior art, the utility model has achieved the following technical advances:
[0015] Firstly, the utility model has good mechanical properties and structural design, and can be used as a contact piece to meet the plug-in requirements of high current transmission.
[0016] Secondly, the utility model can ensure good electrical conductivity when transmitting high current.
[0017] Finally, the device of the utility model has a simple structure, low assembly difficulty, and is easy to prepare and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the structure of Example 1.
[0019] Figure 2 for Figure 1 A partial enlarged view of .
[0020] In the figure, the corresponding reference numerals of the components are as follows:
[0021] 100, crimping sleeve; 200, pin column; 300, socket mounting column; 410, first insulating plate; 420, second insulating plate; 510, third insulating plate; 520, fourth insulating plate; 110, pin cavity; 120, pin entrance; 130, first cylindrical boss; 210, crimping fixing cavity; 220, screw mounting hole; 230, second cylindrical boss; 240, first annular ridge; 250, first sealing groove; 310, socket cavity; 320, socket entrance; 330, pin column fixing cavity; 340, second sealing groove; 350, second annular ridge; 411, first axial plate; 412, first radial plate; 511, second radial plate; 512, second axial plate; 521, third radial plate; 522, third axial plate. DETAILED DESCRIPTION
[0022] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.
[0023] Example 1, please refer to Figure 1-2 :
[0024] A high current contact piece comprises: a crimping sleeve 100, a pin column 200, a socket mounting column 300, a front insulating piece and a rear insulating piece.
[0025] The crimping sleeve 100 is provided with a pin cavity 110, one end of the crimping sleeve 100 is provided with a pin entrance 120 connected to the pin cavity 110, and the other end of the crimping sleeve 100 is provided with a first cylindrical boss 130, and the outer side wall of the first cylindrical boss 130 is provided with an external thread;
[0026] A crimping and fixing cavity 210 is provided at one end of the pin column 200, and an internal thread corresponding to the external thread is provided on the inner side wall of the crimping and fixing cavity 210, and the first cylindrical boss 130 is fixed to the crimping and fixing cavity 210 as a whole through the threaded connection between the internal thread and the external thread; a screw mounting hole 220 extending in the radial direction of the crimping and fixing cavity 210 is also provided on the cavity wall of the crimping and fixing cavity 210, and the screw mounting hole 220 is used to install a tightening screw; a second cylindrical boss 230 is provided at the other end of the pin column 200; a first annular convex edge 240 is provided in the middle section of the column body of the pin column 200, and a first sealing groove 250 is provided on the side wall of the first annular convex edge 240, and a first sealing ring is provided in the first sealing groove 250;
[0027] The jack mounting column 300 has a jack cavity 310 in it, one end of the jack mounting column 300 has a jack entrance 320 leading to the jack cavity 310, and the other end of the jack mounting column 300 has a pin column fixing cavity 330, which is sleeved on the outer wall of the second cylindrical boss 230; the inner wall of the pin column fixing cavity 330 has a second sealing groove 340, and a second sealing ring is provided in the second sealing groove 340. The middle section of the column of the jack mounting column 300 has a second annular convex edge 350;
[0028] The front insulating member is respectively connected to the crimping sleeve and the pin column 200, and is used to press the crimping fixing cavity 210 onto the first cylindrical boss 130; the front insulating member includes: a first insulating plate 410 and a second insulating plate 420; the first insulating plate 410 includes a first axial plate 411 and a first radial plate 412 connected to the first axial plate 411, the first axial plate 411 is pressed onto the side wall of the first annular convex edge 240, and the left end face of the first radial plate 412 is pressed onto the right end face of the first annular convex edge 240; the second insulating plate 420 is located on the outside of the crimping fixing cavity 210, and the right end face of the second insulating plate 420 is respectively abutted against the left end face of the first insulating plate 410 and the left end face of the first axial plate 411.
[0029] The rear insulating member is connected to the pin column 200 and the socket mounting column 300, respectively, and is used to press the pin column fixing cavity 330 onto the second cylindrical boss 230. Specifically, the rear insulating member includes: a third insulating plate 510 and a fourth insulating plate 520; the third insulating plate 510 includes a second axial plate 512 and a second radial plate 511 connected to the second axial plate 512, the left end surface of the second radial plate 511 abuts against the right single surface of the first radial plate 412, the right end surface of the second radial plate 511 abuts against the cavity end surface of the pin column fixing cavity 330, and the second axial plate 512 is pressed onto the outer wall of the pin column fixing cavity 330. The right side end face of the second axial plate 512 abuts against the left side end face of the second annular protrusion 350; the fourth insulating plate 520 includes a third axial plate 522 and a third radial plate 521 connected to the third axial plate 522, and the third radial plate 521 is pressed onto the left side end face of the second annular protrusion 350; the third axial plate 522 is pressed onto the side wall of the second annular protrusion 350, and the left side end face of the third axial plate 522 abuts against the right side end face of the second axial plate 512.
[0030] In this example, the crimping sleeve 100, the pin column 200 and the socket mounting column 300 are respectively made of copper, and the front insulating member and the rear insulating member are respectively made of PEEK.
[0031] In practice, the working process is as follows:
[0032] During the plug-in installation process, the plug pin of the device is inserted into the plug cavity 110 from the plug pin entrance 120 and fixed by welding, and the plug pin of another device is inserted into the plug cavity 310 from the socket entrance 320 and fixed by welding. Thus, the plug-in installation of the product on the high-current device is completed.
[0033] The above is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, if these changes fall within the scope of the claims of the present invention and their equivalents, they still fall within the protection scope of the present invention.
Claims
1. A high current contact, characterized in that: include: A crimping sleeve, wherein a pin cavity is provided in the crimping sleeve, a pin entrance leading to the pin cavity is provided at one end of the crimping sleeve, a first cylindrical boss is provided at the other end of the crimping sleeve, and an outer wall of the first cylindrical boss is provided with an external thread; A pin column, one end of which is provided with a crimping fixing cavity, the inner side wall of which is provided with an internal thread corresponding to the external thread, the first cylindrical boss and the crimping fixing cavity are fixed as a whole through the threaded connection between the internal thread and the external thread; the cavity wall of the crimping fixing cavity is also provided with a screw mounting hole extending in the radial direction of the crimping fixing cavity, the screw mounting hole is used to install a tightening screw; the other end of the pin column is provided with a second cylindrical boss; A jack mounting column, wherein a jack cavity is provided in the jack mounting column, a jack entrance leading to the jack cavity is provided at one end of the jack mounting column, and a pin column fixing cavity is provided at the other end of the jack mounting column, and the pin column fixing cavity is sleeved on the outer side wall of the second cylindrical boss; A front insulating member, the front insulating member is respectively connected to the crimping sleeve and the pin column, and is used to press the crimping fixing cavity onto the first cylindrical boss; A rear insulating member is connected to the pin column and the socket mounting column respectively, and is used to press the pin column fixing cavity onto the second cylindrical boss.
2. The high current contact according to claim 1, characterized in that: A first annular convex edge is provided in the middle section of the column body of the pin column, a first sealing groove is provided on the side wall of the first annular convex edge, and a first sealing ring is provided in the first sealing groove; The front insulating member includes: a first insulating plate and a second insulating plate; the first insulating plate includes a first axial plate and a first radial plate connected to the first axial plate, the first axial plate is pressed onto the side wall of the first annular protrusion, and the left end surface of the first radial plate is pressed onto the right end surface of the first annular protrusion; the second insulating plate is located outside the crimping fixing cavity, and the right end surface of the second insulating plate is respectively abutted against the left end surface of the first insulating plate and the left end surface of the first axial plate.
3. The high current contact according to claim 2, characterized in that: A second annular convex edge is provided in the middle section of the column body of the jack mounting column; The rear insulating member comprises: a third insulating plate and a fourth insulating plate; The third insulating plate includes a second axial plate and a second radial plate connected to the second axial plate, the left end surface of the second radial plate abuts against the right single surface of the first radial plate, the right end surface of the second radial plate abuts against the cavity end surface of the pin column fixing cavity, the second axial plate is pressed on the outer side wall of the pin column fixing cavity, and the right end surface of the second axial plate abuts against the left end surface of the second annular convex edge; The fourth insulating plate includes a third axial plate and a third radial plate connected to the third axial plate, wherein the third radial plate is pressed onto the left end surface of the second annular protrusion; the third axial plate is pressed onto the side wall of the second annular protrusion, and the left end surface of the third axial plate abuts against the right end surface of the second axial plate; A second sealing groove is provided on the inner side wall of the pin column fixing cavity, and a second sealing ring is provided in the second sealing groove.
4. The high current contact according to claim 3, characterized in that: The crimping sleeve, the pin column and the socket mounting column are respectively made of red copper.
5. The high current contact according to claim 4, characterized in that: The front insulating member and the rear insulating member are respectively made of PEEK.