A switch operated handle

Abstract

The utility model discloses a switch operating crank handle belongs to power distribution equipment operation technical field, including main part, crank handle head, protection structure and replacement structure, the left side of main part is provided with the installation portion, and the inside right side of main part is provided with the connecting frame, and the top of the side away from main part of connecting frame is provided with the handle, and the crank handle head is fixedly connected with the installation portion through the replacement structure, the protection structure includes the shaft sleeve and the movable ring, and the shaft sleeve sets up at the outer surface of handle, and the number of movable ring is two and sets up respectively at the left and right sides of handle outer surface. This switch operating crank handle can effectively prevent the operation personnel from being injured when operating the crank handle, guarantee the personal safety of the operation personnel, can conveniently disassemble the crank handle head and maintain or replace different crank handle heads according to the use demand, increase the practicality, and through the double fixing of threaded rod and bolt, can avoid the displacement or the situation of slipping as far as possible in use, increase the safety.

Description

Technical Field

[0001] This utility model relates to the field of power distribution equipment operation technology, and in particular to a switch operation crank. Background Technology

[0002] In low-voltage power distribution systems, 400V voltage-level switchgear (such as load switches, disconnect switches, circuit breakers, etc.) is a widely used power control and protection device. When operators perform opening and closing operations on these switchgear, they usually need to use a special operating handle (also known as an operating lever, crank, or rocker) inserted into the operating hole of the switch and apply rotational torque to complete the operation.

[0003] Due to safety operating procedures, operators must wear qualified insulating gloves when performing operations on or near live equipment to prevent electric shock and ensure personal safety. However, the existing operating handles can easily cause injury to the insulating gloves and the operator's fingers if there is excessive friction between the handle and the insulating gloves while the operator is wearing them. Utility Model Content

[0004] To address the problem of easily causing injury to insulating gloves and operators' fingers, this utility model provides a switch operation crank, the technical solution of which is as follows:

[0005] A switch operation crank includes a main body, a crank head, a protective structure, and a replacement structure; a mounting part is provided on the left side of the main body, a connecting frame is provided inside the right side of the main body, a handle is provided on the top of the connecting frame on the side away from the main body, and the crank head is fixedly connected to the mounting part through the replacement structure;

[0006] The protective structure includes a bushing and a movable ring. The bushing is disposed on the outer surface of the grip, and there are two movable rings, which are respectively disposed on the left and right sides of the outer surface of the grip.

[0007] It can effectively prevent entanglement accidents from occurring when operators operate the crank handle, thus ensuring the personal safety of operators.

[0008] Preferably, the inner sides of both movable rings are provided with fixing holes that are adapted to the size of the grip, and the left and right sides of the outer surface of the grip and the inner sides of the fixing holes are provided with interlocking threads.

[0009] Preferably, the bushing is located between two opposite sides of the two movable rings, and the bushing is fixedly connected to the handle via the two movable rings.

[0010] Preferably, the outer surfaces of both movable rings are provided with anti-slip textures, and both movable rings are fixedly connected to the handle by threads.

[0011] Preferably, the replacement structure includes a threaded rod and a bolt, the threaded rod being disposed inside the mounting portion and the bolt being disposed at the top of the mounting portion.

[0012] Preferably, the mounting part has a threaded groove inside near the crank head that matches the size of the threaded rod, and the threaded rod is threadedly connected to the threaded groove.

[0013] Preferably, a threaded hole of the same size and corresponding to the bolt position is provided on the right side of the top of the threaded rod, and a fixing hole corresponding to the position of the threaded hole is provided on the top of the mounting part.

[0014] Preferably, the bottom of the bolt passes through the fixing hole and extends into the interior of the threaded hole, and the bolt is threadedly connected to the threaded hole.

[0015] The ability to easily disassemble the crank head for maintenance or replace it with a different crank head according to usage needs increases its practicality.

[0016] Beneficial effects:

[0017] The beneficial effects of adopting the technical solution of this utility model are as follows:

[0018] 1. This switch operating handle, through the setting of a protective structure, can effectively prevent the operator from being entangled when operating the handle, ensuring the personal safety of the operator. The overall structure is simple, easy to install, and easy to operate.

[0019] 2. The switch operates a crank handle. By setting a replacement structure, the crank head can be easily disassembled for maintenance or replaced with different crank heads according to usage needs, increasing practicality. At the same time, the double fixation of the threaded rod and bolts can minimize the possibility of displacement or slippage during use, thus increasing safety. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a switch operation crank according to this utility model;

[0022] Figure 2 This is a front cross-sectional view of the switch operation crank of this utility model.

[0023] In the diagram, 1. Main body; 2. Crank head; 3. Mounting part; 4. Connecting frame; 5. Handle; 6. Bushing; 7. Movable ring; 8. Threaded rod; 9. Bolt. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to represent selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0025] like Figure 1 As shown, a switch operation crank includes a main body 1, a crank head 2, a protective structure, and a replacement structure; a mounting part 3 is provided on the left side of the main body 1, a connecting frame 4 is provided inside the right side of the main body 1, and a handle 5 is provided on the top of the connecting frame 4 on the side away from the main body 1; the crank head 2 is fixedly connected to the mounting part 3 through the replacement structure.

[0026] like Figure 1-2 As shown, the protective structure includes a bushing 6 and a movable ring 7. The bushing 6 is disposed on the outer surface of the grip 5. There are two movable rings 7, which are respectively disposed on the left and right sides of the outer surface of the grip 5. The inner side of each movable ring 7 is provided with a fixing hole that matches the size of the grip 5. The left and right sides of the outer surface of the grip 5 and the inner side of the fixing hole are provided with mutually meshing threads. The bushing 6 is located between the opposite sides of the two movable rings 7. The bushing 6 is fixedly connected to the grip 5 through the two movable rings 7. Both movable rings 7 are fixedly connected to the grip 5 through threads.

[0027] Specifically, the outer surfaces of both movable rings 7 are provided with anti-slip textures, which facilitates the twisting of the movable rings 7 and reduces the occurrence of slippage.

[0028] In this embodiment, the bushing 6 and the two movable rings 7 can completely cover the space on the outer surface of the handle 5, preventing fingers and other body parts from entering, effectively avoiding entanglement accidents when the operator operates the crank handle, and ensuring the personal safety of the operator.

[0029] like Figure 1-2As shown, the replacement structure includes a threaded rod 8 and a bolt 9. The threaded rod 8 is located inside the mounting part 3, and the bolt 9 is located at the top of the mounting part 3. The mounting part 3 has a threaded groove inside near the crank head 2 that matches the size of the threaded rod 8. The threaded rod 8 is threadedly connected to the threaded groove. A threaded hole of the same size and position as the bolt 9 is located on the right side of the top of the threaded rod 8. A fixing hole corresponding to the position of the threaded hole is located at the top of the mounting part 3. The bottom of the bolt 9 passes through the fixing hole and extends into the threaded hole. The bolt 9 is threadedly connected to the threaded hole.

[0030] In this embodiment, the crank head 2 is double-fixed by the threaded rod 8 and the bolt 9, which can minimize the possibility of displacement or slippage during use and increase safety.

[0031] The method of using this utility model is as follows:

[0032] When in use, first screw in one movable ring 7 to fit it against one side of the connecting bracket 4, then put on the bushing 6, and finally screw in another movable ring 7 to fit it against the bushing 6. This completes the installation and fixing of the bushing 6. When it is necessary to remove the crank head 2 for maintenance or replacement, first turn the bolt 9 to separate it from the threaded hole, then clamp and turn the crank head 2 to separate the threaded rod 8 from the threaded groove, and then the crank head 2 can be removed.

[0033] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A switch-operated crank, characterized in that, include: The main body (1), crank head (2), protective structure and replacement structure; the left side of the main body (1) is provided with an installation part (3), the inside of the right side of the main body (1) is provided with a connecting frame (4), the top of the connecting frame (4) away from the main body (1) is provided with a handle (5), and the crank head (2) is fixedly connected to the installation part (3) through the replacement structure; The protective structure includes a bushing (6) and a movable ring (7). The bushing (6) is disposed on the outer surface of the grip (5), and there are two movable rings (7) disposed on the left and right sides of the outer surface of the grip (5).

2. The switch operation crank according to claim 1, characterized in that, The inner sides of the two movable rings (7) are provided with fixing holes that are adapted to the size of the handle (5), and the left and right sides of the outer surface of the handle (5) and the inner side of the fixing holes are provided with interlocking threads.

3. A switch-operated crank according to claim 2, characterized in that, The bushing (6) is located between two opposite sides of the two movable rings (7), and the bushing (6) is fixedly connected to the handle (5) through the two movable rings (7).

4. A switch operation crank according to claim 2, characterized in that, The outer surfaces of the two movable rings (7) are provided with anti-slip textures, and the two movable rings (7) are fixedly connected to the handle (5) by threads.

5. A switch-operated crank according to claim 1, characterized in that, The replacement structure includes a threaded rod (8) and a bolt (9), the threaded rod (8) being disposed inside the mounting part (3) and the bolt (9) being disposed on the top of the mounting part (3).

6. A switch-operated crank according to claim 5, characterized in that, The mounting part (3) has a threaded groove inside near the crank head (2) that is compatible with the size of the threaded rod (8), and the threaded rod (8) is threadedly connected to the threaded groove.

7. A switch-operated crank according to claim 5, characterized in that, The right side of the top of the threaded rod (8) is provided with a threaded hole that corresponds to the position of the bolt (9) and is of the same size. The top of the mounting part (3) is provided with a fixing hole that corresponds to the position of the threaded hole.

8. A switch operation crank according to claim 7, characterized in that, The bottom of the bolt (9) passes through the fixing hole and extends into the interior of the threaded hole, and the bolt (9) is threadedly connected to the threaded hole.

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