Electrode nut of disconnector
By setting limiting grooves and fixing grooves on the disconnector electrode nuts, combined with injection molded bumps and fixing strips, the problem of unreliable connection between the fixing blocks and the shell is solved, and a more stable connection is achieved, ensuring the protection function of the lightning arrester .
Patent Information
- Application Number
- CN202420072428.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-11
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-01-11
AI Technical Summary
The fixing block of the existing disconnector electrode nut is not firmly connected to the shell, which is easy to disengage during work, resulting in the shell being unable to fix and causing the protection function to fail.
By setting a limiting groove and a fixing groove on the fixing block and injection molding the corresponding bumps and fixing strips on the shell, the rotation and disengagement of the fixing block are restricted, and the connection stability between the fixing block and the shell is increased.
Effectively prevent the fixed block from being disengaged, enhance the connection stability between the fixed block and the shell, ensure that the lightning arrester can work normally in abnormal situations, and avoid short circuit tripping.
Smart Images
Figure CN222141759U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of fasteners, and in particular to a disconnector electrode nut. Background Art
[0002] The disconnector electrode is the main component of the lightning arrester. The main function of the disconnector electrode is to disconnect the grounding terminal when an abnormal situation occurs in the lightning arrester, so that the lightning arrester can protect the circuit to avoid short circuit tripping. The disconnector electrode includes a shell, a nut and other structural components, and the shell is injection molded on the nut.
[0003] In the related art, the nut includes a fixing block, a receiving groove is formed on the fixing block, an internal thread is formed on the groove wall of the receiving groove, and anti-slip grooves are formed on the outer side of the fixing block.
[0004] Since the fixing block only relies on the anti-slip grooves to prevent the shell and the fixing block from rotating, the fixation between the shell and the fixing block is not reliable. During the operation of the separator electrode, the fixing block may be separated from the shell, making the shell unable to be fixed, resulting in the shell. Utility Model Content
[0005] In order to improve the problem that the fixing block and the housing are easily separated, the present application provides a separator electrode nut.
[0006] The present application provides a disconnector electrode nut, which adopts the following technical solution:
[0007] A detacher electrode nut comprises a fixing block, wherein a receiving groove is provided on the fixing block, an internal thread is provided in the receiving groove, and a limiting groove is provided on the outer surface of the fixing block, and the limiting groove extends along the circumference of the fixing block.
[0008] By adopting the above technical solution, the limiting groove extends along the circumference of the fixed block, and the shell is injection molded on the fixed block, so that the shell has a protrusion inserted into the limiting groove, the protrusion can cooperate with the limiting groove, and the groove wall of the limiting groove restricts the protrusion, so that the protrusion and the fixed block are relatively fixed, the stability of the connection between the fixed block and the shell is enhanced, and it is difficult for the fixed block to detach from the shell.
[0009] Optionally, a fixing structure is provided on the fixing block, and the fixing structure is used to limit the rotation of the fixing block in the shell.
[0010] By adopting the above technical solution, the fixing block is limited to rotate by the fixing structure, so as to avoid the bolt inserted into the receiving groove and the fixing block being separated from each other due to the rotation of the fixing block, thereby enhancing the stability of the connection between the fixing block and the housing.
[0011] Optionally, the fixing structure is configured as a fixing groove, the fixing block is provided with a fixing groove, and the fixing groove extends along the length direction of the fixing block.
[0012] By adopting the above technical solution, the fixing groove extends along the length direction of the fixing block, and the shell is injection molded on the fixing block, so that the shell has a fixing bar inserted into the fixing groove, and the fixing bar can cooperate with the fixing groove, so that the fixing block is difficult to rotate in the shell, thereby enhancing the stability of the connection between the fixing block and the shell.
[0013] Optionally, a plurality of fixing grooves are provided, and the plurality of fixing grooves are distributed along the circumference of the fixing block.
[0014] By adopting the above technical solution, multiple fixing grooves are distributed along the circumference of the fixing block, so that the outer shell has multiple fixing strips, and the multiple fixing strips can cooperate with different fixing grooves, so that the fixing block and the outer shell can be relatively fixed, further enhancing the stability of the fixing block in the outer shell.
[0015] Optionally, the fixing structure is configured as a fixing surface, and the fixing surface is cut and formed on an outer surface of the fixing block.
[0016] By adopting the above technical solution, a fixing surface is cut and formed on the outer surface of the fixing block, and the fixing surface makes the outer surface of the fixing block uneven, thereby increasing the difficulty of rotating the fixing block in the shell and increasing the stability of the connection between the fixing block and the shell.
[0017] Optionally, there are multiple fixing surfaces, and the multiple fixing surfaces are distributed along the circumference of the fixing block.
[0018] By adopting the above technical solution, there are multiple fixing surfaces, and the multiple fixing surfaces are distributed along the circumference of the fixing block, which increases the unevenness of the outer surface of the fixing block and further allows the fixing block to be firmly located in the shell.
[0019] Optionally, anti-slip grooves are provided on the outer surface of the fixing block.
[0020] By adopting the above technical solution, the anti-slip pattern is provided on the outer surface of the fixing block, so that the fixing block can be more stably located on the housing, and relative movement between the fixing block and the housing is prevented.
[0021] Optionally, a plurality of the limiting grooves are provided, and the plurality of limiting grooves are distributed along the length direction of the fixing block.
[0022] By adopting the above technical solution, multiple limiting grooves are distributed along the length direction of the fixing block, and the shell is integrally formed with multiple protrusions, so that the multiple protrusions and different limiting grooves cooperate, so that the fixing block and the shell can be relatively fixed, and further the fixing block can be stably located in the shell.
[0023] In summary, the present application includes at least one of the following beneficial technical effects:
[0024] 1. The limiting groove extends along the circumference of the fixed block, and the shell is injection molded on the fixed block, so that the shell has a protrusion inserted into the limiting groove, and the groove wall of the limiting groove restricts the protrusion, so that the protrusion can be stably located in the limiting groove, thereby enhancing the stability of the connection between the fixed block and the shell, and making it difficult for the fixed block to detach from the shell.
[0025] 2. The fixing groove extends along the length direction of the fixing block, and the shell is injection molded on the fixing block, so that the shell has a fixing strip inserted into the fixing groove. The fixing strip is restricted by the groove wall of the fixing groove, so that the fixing strip and the fixing block are relatively fixed, so that the fixing block can be stably located in the shell, and the stability of the connection between the fixing block and the shell is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 is a schematic diagram of the structure of Example 1;
[0027] Figure 2 It is a structural schematic diagram of Example 2.
[0028] Figure numerals: 1, fixing block; 11, receiving groove; 12, limiting groove; 13, fixing structure; 131, fixing groove; 14, fixing surface; 15, anti-slip pattern. DETAILED DESCRIPTION
[0029] The following is combined with Figure 1-2 This application is described in further detail.
[0030] Example 1
[0031] This embodiment discloses a nut for a disconnector electrode. Figure 1 A disconnector electrode nut comprises a fixing block 1, an end surface of the fixing block 1 is provided with a receiving groove 11, an inner wall of the receiving groove 11 is provided with an inner thread. An anti-slip pattern 15 is fixedly connected on the outer surface of the fixing block 1.
[0032] Reference Figure 1 A plurality of limiting grooves 12 are provided on the outer surface of the fixing block 1 . The plurality of limiting grooves 12 are distributed in an array along the length direction of the fixing block 1 , and the limiting grooves 12 extend along the circumference of the fixing block 1 .
[0033] Reference Figure 1 The fixing block 1 is provided with a fixing structure 13, which is used to prevent the fixing block 1 from rotating in the housing. The fixing structure 13 can be set to a concave shape, a convex shape, or a combination of a concave shape and a convex shape. As long as the fixing block 1 can be restricted from rotating in the housing, the fixing structure 13 can be set to any shape.
[0034] Reference Figure 1The fixing structure 13 is configured as a plurality of fixing grooves 131, and the plurality of fixing grooves 131 are all provided on the outer surface of the fixing block 1. The plurality of fixing grooves 131 are distributed in a circumferential array along the fixing block 1, and the fixing grooves 131 extend along the length direction of the fixing block 1, and the fixing grooves 131 penetrate to the surface of the fixing block 1 away from the direction in which the receiving groove 11 is provided on the fixing block 1.
[0035] The implementation principle of the embodiment 1 is as follows: since the limiting groove 12 extends along the circumference of the fixing block 1 , the fixing between the fixing block 1 and the housing is more secure.
[0036] Example 2
[0037] Reference Figure 2 The difference between this embodiment and embodiment 1 is that the fixing structure 13 includes a plurality of fixing surfaces 14, the plurality of fixing surfaces 14 are cut and formed on the outer surface of the fixing block 1, and the plurality of fixing surfaces 14 are distributed along the circumferential array of the fixing block 1.
[0038] The implementation principle of the second embodiment is as follows: since the fixing block 1 is cut into a plurality of fixing surfaces 14 , the fixing block 1 is in an irregular shape, so that the fixing block 1 is not easy to rotate in the housing.
[0039] Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The words "first", "second", "third" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. "One" or "one" and similar words do not indicate a quantitative limit, but indicate that there is at least one. "Include" or "comprise" and similar words mean that the elements or objects appearing before "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0040] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the design concept of the present application should be included in the protection scope of the present application.
Claims
1. A disconnector electrode nut, comprising a fixing block (1), wherein the fixing block (1) is provided with a receiving groove (11), wherein the receiving groove (11) is provided with an internal thread, and wherein: A limiting groove (12) is provided on the outer surface of the fixing block (1), and the limiting groove (12) extends along the circumference of the fixing block (1).
2. The electrode nut of the disconnector according to claim 1, characterized in that: The fixing block (1) is provided with a fixing structure (13), and the fixing structure (13) is used to limit the rotation of the fixing block (1) in the shell.
3. The electrode nut of the disconnector according to claim 2, characterized in that: The fixing structure (13) is configured as a fixing groove (131), and the fixing block (1) is provided with a fixing groove (131), wherein the fixing groove (131) extends along the length direction of the fixing block (1).
4. The electrode nut of a disconnector according to claim 3, characterized in that: A plurality of the fixing grooves (131) are provided, and the plurality of the fixing grooves (131) are distributed along the circumference of the fixing block (1).
5. The electrode nut of a disconnector according to claim 2, characterized in that: The fixing structure (13) is configured as a fixing surface (14), and the fixing surface (14) is cut and formed on the outer surface of the fixing block (1).
6. The disconnector electrode nut according to claim 5, characterized in that: There are a plurality of fixing surfaces (14), and the plurality of fixing surfaces (14) are distributed along the circumference of the fixing block (1).
7. The disconnector electrode nut according to claim 1, characterized in that: Anti-slip grooves (15) are provided on the outer surface of the fixing block (1).
8. The electrode nut of a disconnector according to claim 1, characterized in that: A plurality of the limiting grooves (12) are provided, and the plurality of limiting grooves (12) are distributed along the length direction of the fixing block (1).