Contact connecting device

Abstract

The utility model discloses a contact connecting device which comprises a device body, a connecting cavity is formed in the surface of one end of the device body, one end of the connecting cavity is communicated with a threaded groove, a limiting groove is formed in the top end of the device body, and a compression bolt extends from the inner side of the threaded groove. A limiting nut is fixedly installed at the top end of the pressing bolt, and a guide rod is arranged in an inner cavity of the device body. By means of the combined use of the compression bolt, the clamping sleeve and the guide block, the contact can be effectively compressed and limited subsequently, so that the stability of connection between the contact and the device body is improved, and when the contact is input to the inner side of the connecting cavity, the guide block drives the clamping sleeve to move longitudinally, so that the contact is prevented from being damaged. The clamping sleeve is arranged on the contact, so that the contact can be preliminarily limited, and then the pressing bolt extends to the inner side of the clamping sleeve, so that the contact can be further limited and pressed, and the stability of the contact during connection is further improved.

Description

Technical Field

[0001] The utility model relates to the field of contact connection devices, in particular to a contact connection device. Background Art

[0002] The high-voltage busbar is an important part of the gas-insulated metal-enclosed switchgear, which is used to realize the electrical connection between various components. The conductor in the high-voltage busbar is usually realized by a tube conductor plug-in contact;

[0003] For example, a contact connection device that prevents metal collision is disclosed in the utility model with authorization announcement number CN214069098U, which realizes the electrical connection between the contact base and the tube conductor in the high-voltage busbar, and prevents the metal collision between the tube conductor and the contact base due to bumps and vibrations during transportation, and eliminates the possibility of metal powder generation. However, most of the current contact connection devices are used to achieve contact connection by plugging, but the plug-in method is not only unstable, but also easy to fall off, thereby affecting the normal connection of subsequent lines and causing unnecessary trouble. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a contact connection device, which can solve the problem that the existing contact connection device realizes the electrical connection between the contact base and the tube conductor in the high-voltage bus, and prevents the metal collision between the tube conductor and the contact base due to bumps and vibrations during transportation, and eliminates the possibility of metal powder generation. However, most of the current contact connection devices realize the connection of contacts by plugging in when in use, but the plugging in method not only has poor stability, but also is easy to fall off, thereby affecting the normal connection of subsequent lines, causing unnecessary troublesome technical problems.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a contact connection device, including a device body, a connecting cavity is provided on the surface of one end of the device body, and one end of the connecting cavity is connected to a threaded groove, a limiting groove is provided at the top of the device body, a clamping bolt extends from the inner side of the threaded groove, and a limiting nut is fixedly installed on the top of the clamping bolt, a guide rod is provided in the inner cavity of the device body, and a reset spring is sleeved on the outer surface of the guide rod, one end of the reset spring is fixedly connected to a guide block, and a clamping sleeve is provided on the side wall of the guide block, a through hole is provided on the top of the clamping sleeve, and a clamping structure is provided at the bottom of the connecting cavity.

[0006] As a preferred technical solution of the utility model, the engaging structure includes a slide rail and a guide groove, the slide rail is opened at the bottom of the connecting cavity, and a guide groove is provided on one side of the slide rail.

[0007] As a preferred technical solution of the utility model, a slider is slidably connected to the inner side of the slide rail, a slide bar is fixedly installed on one side of the slider, and a contact seat is fixedly installed on the top of the slider.

[0008] As a preferred technical solution of the present utility model, the connecting cavity is symmetrically distributed along the vertical center line of the device body, and the connecting cavity and the device body form an integrated structure.

[0009] As a preferred technical solution of the utility model, the guide block is slidably connected to the guide rod through the return spring, and the ferrules are symmetrically distributed along the vertical center line of the guide block.

[0010] As a preferred technical solution of the utility model, the slider is slidably connected to the device body through the slide bar, and the slide bar is symmetrically distributed along the vertical center line of the slider.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. By using the combination of the clamping bolt, the ferrule and the guide block, the contact can be effectively clamped and limited in the subsequent process, so as to improve the stability of the connection between the contact and the device body. When the contact is input into the inner side of the connection cavity, the guide block will drive the ferrule to move longitudinally, so as to perform a preliminary limiting process on the contact, and then the clamping bolt will extend to the inner side of the ferrule, so as to further limit and clamp the contact, so as to further improve the stability of the contact connection;

[0013] 2. By using the combination of the slider, the slide bar and the contact seat, it is convenient to install or disassemble and replace the contact seat according to the actual connection requirements, so as to improve the flexibility and practicality of the whole device. When the slider is engaged with the device body through the slide bars symmetrically installed on both sides, the contact seat can be installed, which is convenient for the subsequent effective connection between the contact and the whole device body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the contact connection device of the utility model;

[0015] Figure 2 This is a schematic diagram of the side structure of the main body of the contact connection device of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the main body of the contact connection device of the utility model;

[0017] Figure 4This is a schematic diagram of the structure of the ferrule of the contact connection device of the utility model when viewed from the bottom;

[0018] Among them: 1. Device body; 2. Connecting cavity; 3. Threaded groove; 4. Limiting groove; 5. Clamping bolt; 6. Limiting nut; 7. Guide rod; 8. Reset spring; 9. Guide block; 10. Clamping sleeve; 11. Through hole; 12. Slide rail; 13. Guide groove; 14. Slider; 15. Slide bar; 16. Contact seat. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] Example

[0021] Please refer to Figure 1 As shown, the utility model provides a contact connection device, including a device body 1, a connection cavity 2 is provided on one end surface of the device body 1, and one end of the connection cavity 2 is connected with a thread groove 3, a limit groove 4 is provided at the top of the device body 1, a clamping bolt 5 extends inside the thread groove 3, and a limit nut 6 is fixedly installed at the top of the clamping bolt 5, a guide rod 7 is provided in the inner cavity of the device body 1, and a reset spring 8 is sleeved on the outer surface of the guide rod 7, one end of the reset spring 8 is fixedly connected with a guide block 9, and a clamping sleeve 10 is provided on the side wall of the guide block 9, a through hole 11 is provided at the top of the clamping sleeve 10, and a clamping structure is provided at the bottom of the connection cavity 2;

[0022] When in use, one end of the contact is input into the inner side of the connection cavity 2, and then the clamping bolt 5 and the clamping sleeve 10 are combined to clamp and limit the one end of the contact, so as to ensure the stability of the connection between the contact and the device body 1, and also facilitate the subsequent disassembly, which has higher practicality;

[0023] As a further implementation of this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a connecting cavity 2 is provided on the surface of one end of the device body 1, and one end of the connecting cavity 2 is connected to a thread groove 3, the connecting cavity 2 is symmetrically distributed along the vertical center line of the device body 1, and the connecting cavity 2 and the device body 1 form an integrated structure, a limiting groove 4 is provided at the top of the device body 1, a clamping bolt 5 extends from the inner side of the thread groove 3, and a limiting nut 6 is fixedly installed on the top of the clamping bolt 5, a guide rod 7 is provided in the inner cavity of the device body 1, and a reset spring 8 is sleeved on the outer surface of the guide rod 7, one end of the reset spring 8 is fixedly connected to a guide block 9, and a clamping sleeve 10 is provided on the side wall of the guide block 9, and the guide block 9 is connected to the reset spring 8 through the reset spring 8. The guide rod 7 forms a sliding connection, and the ferrule 10 is symmetrically distributed along the vertical center line of the guide block 9. A through hole 11 is opened at the top of the ferrule 10. A clamping structure is provided at the bottom of the connecting cavity 2. The clamping structure includes a slide rail 12 and a guide groove 13. The slide rail 12 is opened at the bottom of the connecting cavity 2, and a guide groove 13 is provided on one side of the slide rail 12. A slider 14 is slidably connected to the inner side of the slide rail 12, and a slide bar 15 is fixedly installed on one side of the slider 14. The slider 14 forms a sliding connection with the device body 1 through the slide bar 15, and the slide bar 15 is symmetrically distributed along the vertical center line of the slider 14. A contact seat 16 is fixedly installed on the top of the slider 14;

[0024] When in use, firstly, the sliding connection between the slider 14 and the device body 1 is realized by the slide bars 15 symmetrically arranged on both sides of the slider 14, that is, the slide bar 15 is input into the inner side of the guide groove 13 for horizontal sliding, so as to drive the slider 14 to slide on the inner side of the slide rail 12. When the slider 14 slides to a certain position, the slider 14 and the device body 1 can be assembled, and then one end of the contact is input into the inner side of the connecting cavity 2, and the contact is connected with the contact seat 16, and then the longitudinal force applied to the ferrule 10 is released, and the reverse force generated by the deformation of the reset spring 8 can realize the longitudinal reset of the guide block 9 along the guide rod 7, so that the ferrule 10 is moved accordingly. The clamping sleeve 10 can be used to compress and limit the connecting wire of the contact, and the position where the contact contacts the contact seat 16 will be located on the inner side of the through hole 11. The clamping bolt 5 is then input into the inner side of the thread groove 3 and the clamping bolt 5 is screwed. The longitudinal movement of the clamping bolt 5 can be achieved by combining the threaded connection between the clamping bolt 5 and the thread groove 3. When one end of the clamping bolt 5 passes through the through hole 11 to compress and limit one end of the contact, a stable connection between the contact and the device body 1 can be achieved to prevent the contact from falling off when connected to the device body 1. The limiting nut 6 can cooperate with the limiting groove 4 to limit the clamping bolt 5.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A contact connection device, comprising a device body (1), characterized in that: A connecting cavity (2) is provided on one end surface of the device body (1), and one end of the connecting cavity (2) is connected to a threaded groove (3). A limiting groove (4) is provided at the top of the device body (1). A clamping bolt (5) extends from the inner side of the threaded groove (3), and a limiting nut (6) is fixedly installed on the top of the clamping bolt (5). A guide rod (7) is provided in the inner cavity of the device body (1), and a return spring (8) is sleeved on the outer surface of the guide rod (7). One end of the return spring (8) is fixedly connected to a guide block (9), and a clamping sleeve (10) is provided on the side wall of the guide block (9). A through hole (11) is provided at the top of the clamping sleeve (10). A snap-fit ​​structure is provided at the bottom of the connecting cavity (2).

2. A contact connection device according to claim 1, characterized in that: The engaging structure comprises a slide rail (12) and a guide groove (13); the slide rail (12) is disposed at the bottom of the connecting cavity (2), and a guide groove (13) is provided on one side of the slide rail (12).

3. A contact connection device according to claim 2, characterized in that: The inner side of the slide rail (12) is slidably connected with a slider (14), and a slide bar (15) is fixedly installed on one side of the slider (14), and a contact seat (16) is fixedly installed on the top of the slider (14).

4. A contact connection device according to claim 1, characterized in that: The connecting cavity (2) is symmetrically distributed along the vertical center line of the device body (1), and the connecting cavity (2) and the device body (1) form an integrated structure.

5. A contact connection device according to claim 1, characterized in that: The guide block (9) is slidably connected to the guide rod (7) via the return spring (8), and the clamping sleeve (10) is symmetrically distributed along the vertical center line of the guide block (9).

6. A contact connection device according to claim 3, characterized in that: The slider (14) is slidably connected to the device body (1) via the slide bar (15), and the slide bar (15) is symmetrically distributed along the vertical center line of the slider (14).

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