Connecting structure capable of executing high torque and wire connector

Abstract

The utility model relates to a connecting structure capable of executing high torque and a wire connector, the connecting structure capable of executing high torque comprises an insulating shell, a conductive column and a double-end stud, the two ends of the double-end stud are provided with external threads, one end of the conductive column is provided with a mounting hole I used for being fixedly connected with one end of the double-end stud, and the other end of the conductive column is provided with a mounting hole II used for being fixedly connected with the other end of the double-end stud. The other end is an equipment connecting end used for being connected and conducted with an equipment interface; one end of the double-end stud is installed in the installation hole of the conductive column, and the other end of the double-end stud is a wiring end used for being fixedly connected with the wiring terminal through a nut so that the wiring terminal can be connected and conducted with the conductive column. The wire connector is composed of the brass conductive column and the steel double-end stud, the steel double-end stud is assembled in the brass conductive column, the conduction reliability is ensured through the brass conductive column, the torque can be improved through the steel double-end stud on one hand, and on the other hand, connection, fixation and conduction of the wire connector and the wiring terminal are facilitated. According to the utility model, the overall deformation resistance of the wire connector is improved, and the wire connector can adapt to high-current and high-torque working conditions.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a connection structure and a connector capable of executing high torque. Background Art

[0002] With the development of economy, energy and environmental protection issues are becoming increasingly prominent. Countries around the world are gradually turning their attention to environmentally friendly and energy-saving electric vehicles. With the development of new energy vehicles, customers have put forward higher demands on the overall performance of the vehicle, and the working requirements of the connector products connecting the modules have also increased accordingly. Not only must they meet their original electrical performance, but they must also improve the original use requirements, such as working torque and connection strength. Existing similar connector products mostly use an integrated conductive column, which is assembled in the insulating shell and fastened to the insulating shell to achieve conduction at the same time, such as Figure 1 As shown, the connector is mainly a conduction and connection integrated type. The metal embedded in the connector (internal conductive column 20) is mostly made of brass. Under the condition of having a certain current carrying capacity, it also has mechanical strength, but the overall deformation and fracture resistance is still weak, and it cannot be applied to high current and high torque working conditions. Figure 1 The internal conductive column structure is as follows Figure 2 shown. Summary of the invention

[0003] The purpose of the utility model is to provide a connection structure and a connector capable of executing high torque, comprising a copper conductive column and a steel stud, wherein the steel stud is assembled in a brass conductive column, and the reliability of conduction is ensured by the brass conductive column. The steel stud can improve the torque on the one hand, and facilitate the connection, fixation and conduction between the connector and the terminal on the other hand. The utility model improves the overall anti-deformation and fracture resistance of the connector, and can adapt to high current and high torque working conditions.

[0004] The utility model is specifically realized by the following technical scheme, according to which a connection structure and a connector capable of executing high torque are proposed by the utility model, which include an insulating housing, a conductive column, and a stud. Both ends of the stud are provided with external threads, one end of the conductive column is provided with a mounting hole I for connecting and fixing with one end of the stud, and the other end is a device connection end for connecting and conducting with the device interface; one end of the stud is installed in the mounting hole I of the conductive column, and the other end is a wiring terminal for connecting and fixing with the wiring terminal through a nut so that the wiring terminal is connected and conducted with the end of the conductive column provided with the mounting hole I. The conductive column plays a conducting role, and the stud is installed in the conductive column to increase the torque on the one hand, and facilitate the connection and conduction between the wiring terminal and the conductive column on the other hand.

[0005] The aforementioned high-torque connection structure can be executed, wherein the mounting hole I is a threaded hole, one end of the stud is threadedly connected to the mounting hole I and is reinforced to prevent loosening by thread glue, thereby improving the reliability of the connection between the stud and the conductive column; or, one end of the stud is forcibly installed in the mounting hole I of the conductive column.

[0006] The aforementioned high-torque connection structure is further provided with an annular boss in the middle of the stud, and a groove I is provided around the mounting hole I of the conductive column. After the stud is installed to the conductive column, the boss and the groove I cooperate to limit the stud.

[0007] The aforementioned high-torque connection structure is characterized in that the connection ends of the studs pass through the connection holes of the terminal blocks and the matching nuts in sequence, and after the nuts and studs are screwed together, the terminal blocks are fixed on the conductive posts and are in conduction with the conductive posts.

[0008] The aforementioned high-torque executable connection structure has a connection hole on the device connection end of the conductive column, through which the conductive column and the device interface are connected and conducted; or, the device connection end of the conductive column and the device interface are connected and conducted by plugging or crimping.

[0009] The aforementioned high-torque connection structure, the insulating shell includes a U-shaped shell and a conductive column mounting portion integrally connected to the U-shaped shell, the conductive column mounting portion is provided with a mounting hole II, the lower end of the conductive column is passed through the mounting hole II and is connected to the insulating shell through an injection molding process.

[0010] Furthermore, a plurality of bosses and annular grooves are provided at the portion of the conductive column for installation in the insulating housing, so as to improve the stability of the connection between the conductive column and the insulating housing.

[0011] The aforementioned high-torque executable connection structure, the inner wall of the bottom of the U-shaped shell is provided with a groove II for installing the flange on the conductive column to improve the stability of the connection between the conductive column and the insulating shell, and the outer wall of the bottom of the U-shaped shell is installed with a sealing rubber ring, through which the sealing between the device and the insulating shell is achieved to protect the device connection end of the conductive column connected to the device interface.

[0012] The aforementioned high-torque connection structure is characterized in that the insulating shell is also provided with a mounting ear, a mounting hole III is provided on the mounting ear, a bushing is installed in the mounting hole III, and the insulating shell is installed on the equipment through the mounting ear.

[0013] Preferably, the conductive post is a brass conductive post, and the stud is a steel stud.

[0014] The utility model also provides a connector, which comprises any one of the above-mentioned connection structures capable of executing high torque.

[0015] Compared with the prior art, the utility model has obvious advantages and beneficial effects. By means of the above technical solution, the utility model can achieve considerable technical progress and practicality, and has a wide range of utilization value, and has at least the following advantages:

[0016] The utility model can implement a high-torque connection structure and a connector composed of a brass conductive column and a steel stud. The steel stud is assembled in the brass conductive column. The reliability of conduction is ensured by the brass conductive column. The steel stud can increase the torque on the one hand, and facilitate the connection, fixation and conduction between the connector and the terminal on the other hand. The connector is installed on the equipment through the mounting ear, and the sealing rubber ring at the bottom of the insulating shell is used to achieve the sealing between the equipment and the connector, protecting the equipment connection end of the conductive column connected to the equipment interface. The utility model improves the overall deformation resistance and fracture resistance of the connector, and can adapt to high current and high torque working conditions while ensuring the conduction performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of a prior art integrated wiring connector.

[0018] Figure 2 yes Figure 1 sectional view of .

[0019] Figure 3 It is a schematic diagram of the composition of the utility model wiring connector.

[0020] Figure 4 It is an exploded view of the wiring connector of the utility model.

[0021] Figure 5 It is a schematic diagram of the installation of the double-headed stud, the conductive column and the matching terminal of the utility model.

[0022] Figure 6 It is a cross-sectional view of the utility model after the wiring connector is assembled in place.

[0023]

Components and symbols

[0024] 1-insulating housing; 11-conductive column mounting portion;

[0025] 2-conductive column; 12-boss;

[0026] 3-stud; 13-ring groove;

[0027] 4-Mounting hole Ⅰ; 14-Flange;

[0028] 5-equipment connection end; 15-sealing rubber ring;

[0029] 6-terminal; 16-mounting ears;

[0030] 7-annular boss; 17-mounting hole III;

[0031] 8-groove Ⅰ; 18-bushing;

[0032] 9-connection hole; 19-connection terminal;

[0033] 10-U-shaped housing; 20-internal conductive column. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with specific embodiments and drawings. Obviously, the described features are only part of the embodiments of the utility model, not all embodiments. Therefore, the following detailed description of the utility model provided in the drawings is not intended to limit the scope of protection claimed, but merely represents the selected embodiments of the utility model. Based on the embodiments described below of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0035] In the following description, the “upper surface”, “bottom”, “inside” and “outside” mentioned are all based on the orientations shown in the drawings and are not to be regarded as limitations of the present invention.

[0036] like Figure 3-Figure 6 As shown, the utility model provides a connection structure capable of executing high torque, including an insulating housing 1, a conductive column 2, and a stud 3. Both ends of the stud are provided with external threads, one end of the conductive column is provided with a mounting hole Ⅰ 4 for connecting and fixing with one end of the stud, and the other end is a device connection end 5 for connecting and conducting with the device interface; one end of the stud is installed in the mounting hole of the conductive column, and the other end is a wiring terminal 6 for connecting and fixing with a wiring terminal 19 through a nut so that the wiring terminal is connected and conducted with the end of the conductive column with the mounting hole Ⅰ.

[0037] In one embodiment, the mounting hole I at one end of the conductive column is a threaded hole, one end of the stud is threadedly connected to the threaded hole of the conductive column, and the other end is connected and fixed to the terminal through a nut. In order to improve the reliability of the connection between the stud and the conductive column, the stud and the conductive column can be threadedly connected to prevent loosening by thread glue.

[0038] In other embodiments, one end of the stud is forcibly installed in the mounting hole I of the conductive column.

[0039] like Figure 5 and Figure 6As shown, an annular boss 7 is provided in the middle of the stud, and a groove Ⅰ8 is provided around the mounting hole Ⅰ of the conductive column. After the stud is installed on the conductive column, the boss cooperates with the groove Ⅰ to limit the position.

[0040] like Figure 4 and Figure 5 As shown, the wiring terminal is provided with a wiring hole, and the wiring end of the stud bolt passes through the wiring hole of the wiring terminal and the matching nut in turn. After the nut and the wiring end of the stud bolt are screwed together, the wiring terminal can be fixed on the upper surface of the conductive column to make the wiring terminal and the conductive column conductive. The lower end of the conductive column is the device connection end, and the device connection end is provided with a connection hole 9, through which the conductive column and the device interface can be connected and fixed to achieve conduction, and finally achieve conduction between the device and the wiring terminal.

[0041] In other embodiments, the device connection end of the conductive post is connected to the device interface by plugging or crimping.

[0042] Furthermore, the insulating shell includes a U-shaped shell 10 and a conductive column mounting portion 11 integrally connected to the U-shaped shell. The conductive column mounting portion is located at the bottom of the U-shaped shell. A mounting hole II is provided in the conductive column mounting portion. The conductive column and the conductive column mounting portion of the insulating shell are connected together through an injection molding process.

[0043] Preferably, in order to improve the stability of the connection between the conductive column and the insulating shell, a plurality of bosses 12 and annular grooves 13 are further provided at the portion of the conductive column used for installation in the insulating shell.

[0044] The bottom of the conductive column mounting portion is also provided with a through hole for the device connection end of the conductive column to pass through.

[0045] A groove II is provided around the top of the mounting hole II for installing the flange 14 on the top of the conductive column, so that the conductive column and the insulating shell are fixed together more stably. A sealing groove is provided on the outer wall at the bottom of the U-shaped shell, and a sealing rubber ring 15 is installed in the sealing groove. After the insulating shell, the conductive column and the stud are assembled, they are installed on the device. The sealing rubber ring is used to achieve sealing between the device and the insulating shell to protect the device connection end of the conductive column connected to the device interface.

[0046] Furthermore, when the stud is connected to the terminal, the terminal is installed from the opening of the U-shaped housing, such as Figure 4 As shown, the stud bolt passes through the wiring hole and the nut mounting hole on the wiring terminal in sequence, and the wiring terminal and the conductive column can be connected and conducted after the nut and the stud bolt are tightened using a tool.

[0047] In other embodiments, the insulating shell is further provided with a mounting ear 16, and a mounting hole III 17 is provided on the mounting ear, through which the insulating shell can be mounted on the device.

[0048] A bushing 18 is also installed in the mounting hole III. In one embodiment, the bushing is forcibly installed with the mounting hole III.

[0049] In one embodiment, the conductive post is a brass conductive post, and the stud bolt is a steel stud bolt, but the present invention is not limited thereto.

[0050] The utility model also provides a connector, which includes the above-mentioned high-torque connection structure, and at least includes an insulating shell, a conductive column, and a stud. Both ends of the stud are provided with external threads. One end of the conductive column is the device connection end, and the other end is provided with a mounting hole I for installing the stud. The stud and the conductive column can be threadedly connected and prevented from loosening by thread glue, or they can be forcefully installed. The conductive column and the insulating shell are connected together by an injection molding process, and the stability of the connection is improved by multiple bosses and ring grooves on the outside of the conductive column. The device connection end of the conductive column is provided with a mounting hole I for connecting to the device interface, and the other end is used to connect and conduct with the wiring terminal. The insulating shell is provided with a mounting ear for installing the connector on the device, and a sealing rubber ring is provided at the bottom of the insulating shell to achieve sealing between the device and the connector, so as to protect the device connection end of the conductive column.

[0051] The connector described in other embodiments may further include other components, such as a shell for the outside of the insulating housing, etc.

[0052] The above is only an embodiment of the utility model, and does not limit the utility model in any form. The utility model can also have other forms of embodiments according to the above structure and function, which are not listed one by one. Therefore, any simple modification, equivalent change and modification made by any technician familiar with the profession to the above embodiment according to the technical essence of the utility model without departing from the scope of the technical solution of the utility model still falls within the scope of the technical solution of the utility model.

Claims

1. A connection structure capable of executing high torque, characterized in that The invention comprises an insulating shell (1), a conductive column (2), and a stud (3), wherein both ends of the stud are provided with external threads, one end of the conductive column is provided with a mounting hole I (4) for connecting and fixing with one end of the stud, and the other end is a device connection end (5) for connecting and conducting with a device interface; one end of the stud is installed in the mounting hole I of the conductive column, and the other end is a wiring terminal (6) for connecting and fixing with a wiring terminal through a nut so that the wiring terminal is connected and conducted with the end of the conductive column provided with the mounting hole I.

2. The high torque connection structure according to claim 1, characterized in that The mounting hole I is a threaded hole, and one end of the stud is threadedly connected to the mounting hole I and is reinforced to prevent loosening by thread glue; or, one end of the stud is forcibly installed in the mounting hole I of the conductive column.

3. The high torque connection structure according to claim 1, characterized in that An annular boss (7) is arranged in the middle of the stud, and a groove I (8) is arranged around the mounting hole I of the conductive column. After the stud is mounted on the conductive column, the boss cooperates with the groove I to limit the position.

4. The high torque connection structure according to claim 1, characterized in that The connection terminals of the studs pass through the connection holes of the wiring terminals and the matching nuts in sequence. After the nuts and studs are screwed together, the wiring terminals are fixed and connected to the conductive posts.

5. The high torque connection structure according to claim 1, characterized in that A connection hole (9) is provided on the device connection end of the conductive column, through which the conductive column and the device interface are connected and conducted; or, the device connection end of the conductive column and the device interface are connected and conducted by plugging or crimping.

6. The high torque connection structure according to claim 1, characterized in that The insulating shell comprises a U-shaped shell (10) and a conductive column mounting portion (11) integrally connected to the U-shaped shell, wherein a mounting hole II is provided in the conductive column mounting portion, and the conductive column and the insulating shell are connected together by an injection molding process.

7. The high torque connection structure according to claim 1 or 6, characterized in that The portion of the conductive column used for being installed in the insulating housing is also provided with a plurality of bosses (12) and annular grooves (13).

8. The high torque connection structure according to claim 6, characterized in that The inner wall of the bottom of the U-shaped shell is provided with a groove II for installing a flange (14) on the conductive column to improve the stability of the connection between the conductive column and the insulating shell. The outer wall of the bottom of the U-shaped shell is installed with a sealing rubber ring (15).

9. The high torque connection structure according to claim 1, characterized in that The insulating shell is also provided with a mounting ear (16), a mounting hole III (17) is provided on the mounting ear, a bushing (18) is installed in the mounting hole III, and the insulating shell is mounted on the equipment through the mounting ear.

10. The high torque connection structure according to claim 1, characterized in that The conductive posts are brass conductive posts, and the studs are steel studs.

11. A connector, characterized in that The invention comprises a connection structure capable of executing high torque as claimed in any one of claims 1 to 10.

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