Micro switch adjustment wrench

Abstract

The utility model provides a micro switch adjustment wrench, including a rotating handle and a plug-in portion connected to the rotating handle, wherein the plug-in portion matches the inner screw hole of the damping screw of the micro switch, and the plug-in portion is configured to be plugged into the inner screw hole of the damping screw. The micro switch adjustment wrench of the utility model has a simple structure and is easy to operate. The plug-in portion matches the inner screw hole of the damping screw of the micro switch to achieve stable plug-in and adjustment. The detachable plug-in portion design facilitates the replacement of plug-ins of different specifications to adapt to micro switches of different models. The rotating handle of the disc structure provides a larger operating area, which is convenient for users to apply force. The anti-slip groove design increases the stability of the operation. The optional drive member design realizes automated adjustment operation and improves adjustment accuracy and work efficiency.

Description

Technical Field

[0001] The utility model relates to the field of auxiliary instruments for nuclear power plants, in particular to a micro switch regulating wrench which is applied to a selector micro switch of a core neutron flux measurement system of a nuclear power plant. Background Art

[0002] The core neutron flux measurement system is an important instrumentation and control system in the reactor. Its main function is to provide the core neutron flux distribution diagram. At the same time, under different reactor power platforms, it checks whether the core power distribution is consistent with the expected one, monitors the fuel assembly burnup, calibrates the nuclear instruments outside the core, and detects whether the core deviates from normal operation. The neutron flux measurement channel consists of a cabinet, a drive mechanism, a selector, an electric valve, a ball valve, a sealing assembly, a manual valve, a guide tube, a finger sleeve, a connecting pipe, a lead chamber and related cables. By sending different instructions from the cabinet to the switches of the selector and the electric valve, 50 measurement channels can be formed.

[0003] The principle of the micro switch of the nuclear power plant core neutron flux measurement system: when the detector passes under the roller, the bracket moves upward, and the damping screw presses the micro switch upward, and the micro switch is actuated. The damping screw is adjustable, and the adjustment length of the screw directly affects the upward movement of the bracket that causes the micro switch to actuate. The adjustment of the damping screw is crucial to the sensitivity and stability of the switch. In order to better adjust the movement of the bracket, it is necessary to design a new type of micro switch adjustment wrench to solve the above problem. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a micro switch adjustment wrench for the above-mentioned problem, which has a simple structure, is easy to operate, has high adjustment accuracy, and can effectively improve the adjustment effect and work efficiency of the micro switch.

[0005] The utility model solves the above-mentioned technical problem by adopting a technical solution: providing a micro switch adjustment wrench, comprising a rotating handle and a plug-in portion connected to the rotating handle, wherein the plug-in portion matches the inner screw hole of the damping screw of the micro switch, and the plug-in portion is configured to be plugged into the inner screw hole of the damping screw.

[0006] Furthermore, it is preferred that the plug-in portion is detachably connected to the rotating handle, so as to facilitate replacement of plug-in portions of different specifications to accommodate micro switches of different models.

[0007] Furthermore, it is preferred that the plug-in portion and the rotating handle are integrally formed to ensure structural stability and durability.

[0008] Furthermore, it is preferred that a connecting rod is provided between the plug-in portion and the rotating handle, and the connecting rod is detachably connected to the plug-in portion to provide a more flexible connection method.

[0009] Furthermore, it is preferred that an anti-skid groove or an anti-skid protrusion is provided on the axial outer wall of the rotating handle to increase the stability of the operation and facilitate the user's holding and operation.

[0010] Furthermore, it is preferred that the rotating handle is a disc structure with a larger operating area, making it easier for the user to apply force.

[0011] Furthermore, according to the structural characteristics of the micro switch damping screw, the plug-in portion is preferably an outer hexagonal columnar structure to match the inner screw hole and achieve stable plug-in.

[0012] Furthermore, the adjusting wrench preferably further comprises a driving member, the output end of which is fixedly connected to the rotating handle to drive the rotating handle to rotate. By providing the driving member, an automated adjustment operation can be achieved, thereby improving adjustment accuracy and work efficiency.

[0013] Furthermore, it is preferred that the height of the inserting portion is at least 1 / 2 of the depth of the inner screw hole of the damping screw, so as to ensure sufficient inserting depth to achieve stable insertion with the inner screw hole.

[0014] The micro switch adjusting wrench of the utility model has at least the following beneficial effects:

[0015] 1. Simple structure and easy operation. The plug-in part matches the inner screw hole of the micro switch damping screw to achieve stable plug-in and adjustment.

[0016] 2. The design of the detachable plug-in part makes it easy to replace the plug-in parts of different specifications to adapt to different types of micro switches;

[0017] 3. The disc-shaped rotating handle provides a large operating area, making it easier for users to apply force;

[0018] 4. Anti-slip groove design increases the stability of operation;

[0019] 5. Optional drive design to achieve automated adjustment operation, improve adjustment accuracy and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of a micro switch adjusting wrench of some embodiments of the utility model;

[0022] Figure 2 It is a three-dimensional structural schematic diagram of a micro switch adjusting wrench according to other embodiments of the utility model. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0028] like Figure 1-Figure 2 As shown, the micro switch adjusting wrench of the utility model comprises a rotating handle 10 and a plug-in portion 20 connected to the rotating handle 10. The plug-in portion 20 matches the inner screw hole of the damping screw of the micro switch, and the plug-in portion 20 is configured to be plugged into the inner screw hole of the damping screw.

[0029] When the damping screw of the micro switch needs to be adjusted, the user can insert the plug-in portion 20 into the inner screw hole of the damping screw, and then rotate the handle 10 to adjust the damping screw, thereby adjusting the length of the damping screw protruding from the nut.

[0030] In some embodiments, the plug-in portion 20 is detachably connected to the rotating handle 10, which facilitates replacement of plug-in portions 20 of different specifications to adapt to different types of micro switches. The user only needs to remove the original plug-in portion 20 from the rotating handle 10 and then install a new plug-in portion 20. The detachable connection method can be plug-in connection, tight fit, screw connection, etc.

[0031] In other embodiments, the plug-in portion 20 and the rotating handle 10 are integrally formed to ensure structural stability and durability, for example, both are made of the same material, such as metal, and are integrally formed.

[0032] In other embodiments, Figure 2 As shown, a connecting rod 30 is provided between the plug-in portion 20 and the rotating handle 10 , and the connecting rod 30 is detachably connected to the plug-in portion 20 to provide a more flexible connection method.

[0033] In other embodiments, the axial outer wall of the rotating handle 10 is provided with an anti-skid groove 11 or an anti-skid protrusion to increase the stability of the operation and facilitate the user to hold and operate. For example, the anti-skid groove 11 or the anti-skid protrusion is processed with a checkered knurling to increase the friction between the hand and the tool.

[0034] In other embodiments, the rotating handle 10 is a disc structure, which has a larger operating area and is convenient for the user to apply force. Of course, the rotating handle 10 can also be other structures, such as a prism or other irregular structures.

[0035] In some preferred embodiments, according to the structural characteristics of the micro switch damping screw, the plug-in portion 20 is preferably an outer hexagonal columnar structure to match the inner screw hole and achieve stable plug-in.

[0036] In some preferred embodiments, the adjusting wrench further comprises a driving member, the output end of which is fixedly connected to the rotating handle 10 to drive the rotating handle 10 to rotate. By providing the driving member, an automated adjustment operation can be achieved, and the adjustment accuracy and work efficiency can be improved. The driving member can be a motor, a cylinder, etc. A plug-in hole can be provided on the rotating handle 10, and the output end of the driving member is fixed to the plug-in hole, thereby driving the rotating handle 10 to rotate.

[0037] In some preferred embodiments, the height of the inserting portion 20 is at least 1 / 2 of the depth of the inner screw hole of the damping screw, so as to ensure sufficient inserting depth to achieve stable insertion with the inner screw hole.

[0038] The micro switch adjusting wrench of the utility model has at least the following beneficial effects:

[0039] The structure is simple and the operation is convenient. The plug-in part matches the inner screw hole of the micro switch damping screw to achieve stable plug-in and adjustment.

[0040] The design of the detachable plug-in part makes it easy to replace plug-ins of different specifications to adapt to different types of micro switches;

[0041] The disc-shaped rotating handle provides a large operating area, making it easier for users to apply force;

[0042] Anti-slip groove design increases the stability of operation;

[0043] Optional drive design enables automated adjustment operations and improves adjustment accuracy and work efficiency.

[0044] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A micro switch adjustment wrench, characterized in that: It comprises a rotating handle and a plug-in part connected to the rotating handle, wherein the plug-in part matches the inner screw hole of the damping screw of the micro switch, and the plug-in part is configured to be plugged into the inner screw hole of the damping screw.

2. The micro switch adjustment wrench according to claim 1, characterized in that: The plug-in portion is detachably connected to the rotating handle.

3. The micro switch adjustment wrench according to claim 1, characterized in that: The plug-in portion and the rotating handle are integrally formed.

4. The micro switch adjustment wrench according to claim 1, characterized in that: A connecting rod is provided between the plug-in portion and the rotating handle, and the connecting rod is detachably connected to the plug-in portion.

5. The micro switch adjustment wrench according to claim 1, characterized in that: An anti-slip groove is arranged on the axial outer wall of the rotating handle.

6. The micro switch adjustment wrench according to claim 1, characterized in that: An anti-slip protrusion is arranged on the axial outer wall of the rotating handle.

7. The micro switch adjustment wrench according to claim 1, characterized in that: The rotating handle is a disc structure.

8. The micro switch adjustment wrench according to claim 1, characterized in that: The plug-in portion is an outer hexagonal columnar structure.

9. The micro switch adjustment wrench according to claim 1, characterized in that: The micro switch adjustment wrench also includes a driving member, and an output end of the driving member is fixedly connected to the rotating handle to drive the rotating handle to rotate.

10. The micro switch adjustment wrench according to claim 1, characterized in that: The height of the inserting portion is at least 1 / 2 of the depth of the inner screw hole of the damping screw.

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