Mechanical lock for preventing equipment handle from being loosened by misoperation

By designing a mechanical lock to prevent accidental release of the equipment handle, and utilizing the cooperation of a clamp control rod and a pin rod, the problem of complex structure and inconvenient unlocking of traditional mechanical locks is solved. This achieves simple locking of the equipment handle and protection against accidental release, improving the safety and convenience of operation.

CN223937875UActive Publication Date: 2026-02-24WUHAN TAISITE PRECISE MASCH MFG CO LTD
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Patent Information

Application Number
CN202520249186.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-02-24
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Traditional mechanical locks have complex structures, are inconvenient to unlock, affect the restart of equipment, and pose safety hazards due to misoperation.

Method used

A mechanical lock for preventing accidental release of the equipment handle was designed. By pressing down the clamp, the control rod moves along the guide seat, and the pin rod moves synchronously with the connecting plate, inserting into the equipment handle for a limit position. The pin rod is kept stable by the cooperation of the slot and the elastic element of the locking block, thus avoiding accidental operation.

Benefits of technology

It achieves a simple locking mechanism for the equipment handle, preventing accidental operation. The structure is simple and easy to use, improving the safety and convenience of equipment operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223937875U_ABST
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Abstract

The mechanical lock comprises an equipment metal plate, a control mechanism, a bolt rod and a locking mechanism, a lock box is arranged on the side wall of the equipment metal plate, and a through hole and a movable groove are formed in the side wall of the lock box. The control mechanism comprises a guide seat arranged on the side wall of the equipment metal plate, a control rod moving along the guide seat and a pressing clamp arranged on the side wall of the guide seat and matched with the control rod, the bolt rod penetrates through the lock box, a connecting plate is arranged on the side wall of the bolt rod, and the connecting plate is fixedly connected with the side wall of the control rod. A clamping groove is formed in the periphery of the bolt rod, the locking mechanism comprises a lifting rod moving along the through hole, a clamping block arranged on the side wall of the lifting rod and an elastic piece arranged between the clamping block and the movable groove, the bolt rod is inserted into an equipment handle, the equipment handle is limited, misoperation is avoided, and the locking mechanism is simple in structure and convenient to use.
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Description

Technical Field

[0001] This utility model relates to the field of mechanical lock technology, specifically a mechanical lock for preventing accidental release of equipment handles. Background Technology

[0002] Mechanical equipment poses a safety hazard of accidental injury during use and generally requires operation by professionals. To protect the equipment, mechanical locks are usually installed to lock the operating handles.

[0003] Traditional mechanical locks have complex structures, making locking the equipment handle complicated and unlocking inconvenient, which affects the restart of the equipment. Utility Model Content

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0005] In view of the problems existing in the use of the above and / or the mechanical lock for preventing accidental release of the equipment handle, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a mechanical lock for preventing accidental operation of the equipment handle. When the clamp is pressed down, the control rod moves along the guide seat, and the pin rod and the connecting plate move synchronously and are inserted into the equipment handle, limiting the equipment handle and making it unusable. At the same time, the slot extends into the movable groove, and the elastic element presses down the locking block. Through the cooperation of the slot and the locking block, the pin rod is kept stable and will not move out of the equipment handle, thus achieving the purpose of locking the pin rod, completing the locking of the equipment handle, avoiding accidental operation, and having a simple structure and being easy to use.

[0007] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0008] A mechanical lock for preventing accidental release of equipment handles, comprising:

[0009] The equipment sheet metal has a lock box on its side wall, and the lock box has a through hole and a movable groove on its side wall.

[0010] The control mechanism includes a guide seat disposed on the sheet metal side wall of the equipment, a control rod that moves along the guide seat, and a clamp disposed on the side wall of the guide seat and cooperating with the control rod;

[0011] A pin rod passes through the lock box, and a connecting plate is provided on the side wall of the pin rod. The connecting plate is fixedly connected to the side wall of the control rod, and a slot is provided on the outer periphery of the pin rod.

[0012] A locking mechanism, comprising a lifting rod that moves along a through hole, a locking block disposed on the side wall of the lifting rod, and an elastic element disposed between the locking block and the movable groove.

[0013] As a preferred embodiment of the mechanical lock for preventing accidental release of the equipment handle according to this utility model, the side wall of the equipment sheet metal is provided with equipment mounting holes and a guide frame.

[0014] As a preferred embodiment of the mechanical lock for preventing accidental release of the equipment handle described in this utility model, the side wall of the connecting plate is provided with a guide rod, which cooperates with the guide frame.

[0015] As a preferred embodiment of the mechanical lock for preventing accidental release of the equipment handle described in this utility model, the elastic element is made of a return spring, and the surface of the return spring is coated with an anti-corrosion coating.

[0016] As a preferred embodiment of the mechanical lock for preventing accidental release of the equipment handle described in this utility model, the top of the lifting rod is provided with a handle, and a flexible sleeve is provided around the outer periphery of the handle.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This device prevents accidental operation by releasing the mechanical lock of the device handle. When the pressing clamp moves the control rod along the guide seat, the pin rod and the connecting plate move synchronously and are inserted into the device handle, limiting the device handle and making it unusable. At the same time, the slot part extends into the movable groove, and the elastic element presses down the locking block. Through the cooperation of the slot and the locking block, the pin rod is kept stable and will not move out of the device handle, thus achieving the purpose of locking the pin rod, completing the locking of the device handle, avoiding accidental operation, and having a simple structure and being easy to use. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of a mechanical lock for preventing accidental release of the equipment handle according to the present invention;

[0020] Figure 2This is a schematic diagram of the explosive portion of the mechanical lock for preventing accidental release of the equipment handle according to the present invention;

[0021] Figure 3 This is a cross-sectional structural diagram of a mechanical lock for preventing accidental release of the equipment handle according to the present invention;

[0022] Figure 4 This is a schematic diagram of the pin rod part of the mechanical lock for preventing accidental release of the equipment handle according to the present invention.

[0023] 100. Equipment sheet metal; 110. Equipment mounting hole; 120. Guide frame; 130. Lock box; 131. Through hole; 132. Movable groove; 200. Control mechanism; 210. Guide seat; 220. Clamping clamp; 230. Control lever; 300. Pin rod; 310. Connecting plate; 320. Guide rod; 400. Locking mechanism; 410. Lifting rod; 411. Handle; 420. Clamping plate; 430. Elastic element. Detailed Implementation

[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0025] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure will not be enlarged to scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0027] This utility model provides a mechanical lock for preventing accidental operation of the equipment handle. When the clamp is pressed down, the control rod moves along the guide seat, and the pin rod and the connecting plate move synchronously and insert into the equipment handle, limiting the handle and making it unusable. At the same time, the slot extends into the movable groove, and the elastic element presses down the locking block. Through the cooperation of the slot and the locking block, the pin rod is kept stable and will not move out of the equipment handle, thus locking the pin rod and completing the locking of the equipment handle to prevent accidental operation. The structure is simple and easy to use.

[0028] Figures 1-4 The diagram shown is a structural schematic of one embodiment of the mechanical lock for preventing accidental release of the equipment handle according to this utility model. Please refer to [link / reference]. Figures 1-4The mechanical lock for preventing accidental release of the equipment handle in this embodiment includes a main body comprising a sheet metal 100, a control mechanism 200, a pin rod 300, and a locking mechanism 400.

[0029] The through hole 131 of the equipment sheet metal 100 facilitates the lifting of the lifting rod 410, the movable groove 132 facilitates the installation of the elastic element 430, and the lifting of the clamping plate 420. Specifically, the side wall of the equipment sheet metal 100 is provided with a lock box 130, the side wall of the lock box 130 is provided with a through hole 131 and a movable groove 132. In this embodiment, the side wall of the equipment sheet metal 100 is provided with an equipment mounting hole 110, and the side wall of the equipment sheet metal 100 is provided with a guide frame 120.

[0030] The control mechanism 200 drives the control rod 230 to move along the guide seat 210 by pressing the clamp 220. Specifically, the control mechanism 200 includes a guide seat 210 disposed on the side wall of the equipment sheet metal 100, a control rod 230 that moves along the guide seat 210, and a clamp 220 disposed on the side wall of the guide seat 210 and cooperating with the control rod 230.

[0031] The pin 300 moves synchronously with the connecting plate 310 and inserts into the equipment handle, limiting the equipment handle and rendering it unusable. At the same time, the slotted part extends into the movable slot 132. Specifically, the pin 300 passes through the lock box 130. The side wall of the pin 300 is provided with the connecting plate 310, which is fixedly connected to the side wall of the control rod 230. The outer periphery of the pin 300 is provided with a slot. In this embodiment, the side wall of the connecting plate 310 is provided with a guide rod 320, which cooperates with the guide frame 120.

[0032] The locking mechanism 400 uses an elastic element 430 to press down on the locking block. Through the cooperation of the locking slot and the locking block, the pin rod 300 is kept stable and will not move out of the equipment handle, thus locking the pin rod 300 and completing the locking of the equipment handle to avoid accidental operation. Specifically, the locking mechanism 400 includes a lifting rod 410 that moves along the through hole 131, a locking block disposed on the side wall of the lifting rod 410, and an elastic element 430 disposed between the locking block and the movable groove 132. In this embodiment, the elastic element 430 is made of a return spring, and the surface of the return spring is coated with anti-corrosion paint. A handle 411 is provided on the top of the lifting rod 410, and a flexible sleeve is provided around the outer periphery of the handle 411.

[0033] Combination Figures 1-4This embodiment provides a mechanical lock for preventing accidental release of the equipment handle. The specific usage process is as follows: Pressing the clamp 220 drives the control rod 230 to move along the guide seat 210. The pin rod 300 and the connecting plate 310 move synchronously and are inserted into the equipment handle, limiting the equipment handle and making it unusable. At the same time, the slot part extends into the movable groove 132, and the elastic element 430 presses down the locking block. Through the cooperation of the slot and the locking block, the pin rod 300 is kept stable and will not move out of the equipment handle, thus achieving the purpose of locking the pin rod 300, completing the locking of the equipment handle, avoiding accidental operation, with a simple structure and convenient use.

[0034] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A mechanical lock for preventing accidental release of the equipment handle, characterized in that, include: Equipment sheet metal (100), the side wall of the equipment sheet metal (100) is provided with a lock box (130), the side wall of the lock box (130) is provided with a through hole (131) and a movable groove (132); The control mechanism (200) includes a guide seat (210) disposed on the side wall of the equipment sheet metal (100), a control rod (230) that moves along the guide seat (210), and a clamp (220) disposed on the side wall of the guide seat (210) and cooperating with the control rod (230); A pin rod (300) passes through the lock box (130). A connecting plate (310) is provided on the side wall of the pin rod (300). The connecting plate (310) is fixedly connected to the side wall of the control rod (230). A slot is provided on the outer periphery of the pin rod (300). The locking mechanism (400) includes a lifting rod (410) that moves along a through hole (131), a locking block disposed on the side wall of the lifting rod (410), and an elastic element (430) disposed between the locking block and the movable groove (132).

2. The mechanical lock for preventing accidental release of the equipment handle as described in claim 1, characterized in that, The side wall of the equipment sheet metal (100) is provided with equipment mounting holes (110), and the side wall of the equipment sheet metal (100) is provided with guide frames (120).

3. The mechanical lock for preventing accidental release of the equipment handle as described in claim 2, characterized in that, The side wall of the connecting plate (310) is provided with a guide rod (320), which cooperates with the guide frame (120).

4. The mechanical lock for preventing accidental release of the equipment handle according to claim 3, characterized in that, The elastic element (430) is made of a return spring, the surface of which is coated with an anti-corrosion coating.

5. A mechanical lock for preventing accidental release of the equipment handle as described in claim 4, characterized in that, The top of the lifting rod (410) is provided with a handle (411), and a flexible sleeve is provided around the outer periphery of the handle (411).