A protection device for electric power engineering
Patent Information
- Application Number
- CN202522154284.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-11
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-10-11
AI Technical Summary
Currently, when connecting electrical wires, workers often need to manually wrap copper wire and cover it with insulating tape, or use wire clamps for connection. However, wire clamps are easy to lose and are inconvenient to operate.
The device employs a combination of a fixing mechanism and a protective mechanism, including a first fixing clamp, a support base, a rotating shaft, a ratchet, a spring, a locking seat, a pawl, and a pull rod. The unidirectional engagement of the ratchet and pawl enables stable clamping of the cable, while the cooperation of the protective shell and the damping shaft prevents dust and moisture from entering, thus extending the device's lifespan.
It achieves stable cable fixation, prevents component loss, is easy to operate, adapts to cables of different diameters, and improves fixing efficiency and device durability.
Smart Images

Figure CN224935292U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wiring protection technology, specifically a protection device for power engineering. Background Technology
[0002] Electrical engineering refers to engineering related to the production, transmission, and distribution of electrical energy. In a broader sense, it also includes engineering that applies electricity as a power source and energy source in various fields.
[0003] Currently, most electricians simply remove the outer sheath of the broken wire, manually wrap the copper wires together, and then wrap the copper wires with insulating tape to protect the wire. Alternatively, they may install wire clamps at the connection points. However, when installing existing wire clamps, it is often necessary to separate the clamping part from the base plate, which can lead to accidental loss after separation.
[0004] A wiring protection device for building electrical engineering, disclosed in Chinese Patent Publication No. CN221928571U, includes a fixed shell with a U-shaped end face and multiple protrusions on one side of the top surface of the fixed shell. The advantages of this invention are: by incorporating a fixed shell, a pressure plate, and a breakaway bolt, with the breakaway bolt rotatably connecting the fixed plate to a limiting tube on the top surface of the pressure plate, and the first and second grooves engaging with a rubber ring, the position of the pressure plate is stabilized, preventing accidental loss due to separation of the pressure plate and the breakaway bolt. The metal wire of the conductor is folded in half and placed on the bottom surface of the pressure plate. By rotating the breakaway bolt, the pressure plate is lowered, compressing the metal wire and achieving electrical connection. The breakaway bolt breaks after being twisted to a certain torque, facilitating the wrapping of insulating tape around the outer wall of the fixed shell for insulation. The overall structure is simple and easy to promote and use. This invention solves the above problems by proposing another technical solution. Utility Model Content
[0005] The purpose of this utility model is to provide a protective device for power engineering, in order to solve the problem mentioned in the background art that most existing power workers simply remove the outer sheath of the broken wire, manually wrap the copper wire together, and then wrap the copper wire with insulating tape to protect the wire. Alternatively, they can install wire clamps at the connection points for connection. However, existing wire clamps often require separating the clamping part from the base plate during installation, which can lead to accidental loss after separation.
[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a protection device for power engineering, including a base, a fixing mechanism on the top of the base, and a protective mechanism on the outside of the fixing mechanism;
[0007] The fixing mechanism includes a first fixing clamp, a support base fixedly connected to the top of the first fixing clamp, a rotating shaft rotatably connected to the inner side of the support base, a second fixing clamp and a ratchet fixedly connected to the outer side of the rotating shaft, a spring fixedly connected to one end of the support base, a locking seat fixedly connected to one end of the spring, a pawl rotatably connected to the inner side of the locking seat, and a pull rod fixedly connected to one end of the locking seat.
[0008] Preferably, the first fixing clip is fixedly connected to the top of the base, and one end of the pawl engages with the outside of the ratchet.
[0009] Preferably, the pull rod is T-shaped and is located inside the spring, and both the first fixing clip and the second fixing clip are arc-shaped.
[0010] Preferably, one end of the second fixing clip is configured as a rake shape, and the outside of the first fixing clip is provided with a through groove that is adapted to the second fixing clip.
[0011] Preferably, the protective mechanism includes a protective shell, a damping shaft is installed on the inner side of the protective shell, a protective cover is fixedly connected to the outside of the damping shaft, and a locking block is fixedly connected to one end of the protective cover.
[0012] Preferably, one end of the protective shell is fixedly connected to one end of the support base, and one end of the protective shell has a through hole for sliding of the pull rod.
[0013] Preferably, there are two card blocks, which are symmetrically distributed, and one end of the protective shell is provided with a card slot that matches the card blocks.
[0014] Compared with the prior art, the beneficial effects achieved by this utility model are:
[0015] First, in this invention, the cable to be fixed is placed inside the first fixing clamp. Then, the second fixing clamp is manually flipped, causing the rotating shaft to rotate inside the support base. Simultaneously, the rotating shaft drives the ratchet to rotate synchronously. At this time, under the elastic force of the spring, the locking seat will cause the pawl to remain engaged with the outside of the ratchet. As the second fixing clamp continues to flip, its rake-shaped end will gradually pass through the through groove on the outside of the first fixing clamp and move closer to the cable until it is tightly pressed against the surface of the cable. Due to the one-way engagement characteristic of the pawl and the ratchet, the second fixing clamp will not be affected by the reaction force of the cable. The cable is held in place by a mechanism that allows for stable clamping in response to external vibrations. When the cable needs to be removed or adjusted, the T-shaped lever is pulled outwards. The lever compresses the locking seat spring and moves it away from the ratchet, disengaging the pawl from the ratchet. At this point, the second clamp can be flipped in the opposite direction to open it, thus accommodating cables of different diameters. The one-way locking function of the ratchet and pawl ensures that the cable is not easily loosened after being secured. No additional tools are required for operation, preventing the loss of parts. The lever design also makes unlocking convenient, improving the overall adaptability, stability, and operational efficiency of cable securing.
[0016] Secondly, the protective cover of this utility model is manually rotated. The protective cover rotates around the damping shaft inside the protective shell. The damping characteristics of the damping shaft make the rotation process of the protective cover smooth and controllable. As the protective cover rotates, the locking block will accurately engage into the corresponding locking groove, realizing a stable connection between the protective cover and the protective shell. At this time, the protective mechanism forms a closed space, which can effectively block external dust, moisture and debris from entering, protect the internal ratchet, and extend the service life of the device. Attached Figure Description
[0017] Figure 1 This is a perspective view of the entire utility model;
[0018] Figure 2 This is a perspective view of the fixing mechanism of this utility model;
[0019] Figure 3 This is a cross-sectional view of the pivot point of this utility model;
[0020] Figure 4 This is a cross-sectional view of the protective mechanism of this utility model.
[0021] The components are: 1. Base; 2. Fixing mechanism; 3. Protective mechanism; 21. First fixing clamp; 22. Support seat; 23. Rotating shaft; 24. Second fixing clamp; 25. Ratchet; 26. Spring; 27. Locking seat; 28. Pawl; 29. Pull rod; 31. Protective shell; 32. Damping shaft; 33. Protective cover; 34. Locking block. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] This utility model provides the following technical solution:
[0024] Example 1
[0025] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 A protective device for power engineering includes a base 1, a fixing mechanism 2 is provided on the top of the base 1, and a protective mechanism 3 is provided on the outside of the fixing mechanism 2.
[0026] The fixing mechanism 2 includes a first fixing clamp 21, a support base 22 fixedly connected to the top of the first fixing clamp 21, a rotating shaft 23 rotatably connected to the inner side of the support base 22, a second fixing clamp 24 and a ratchet 25 fixedly connected to the outer side of the rotating shaft 23, a spring 26 fixedly connected to one end of the support base 22, a locking seat 27 fixedly connected to one end of the spring 26, a pawl 28 rotatably connected to the inner side of the locking seat 27, and a pull rod 29 fixedly connected to one end of the locking seat 27.
[0027] The first fixing clip 21 is fixedly connected to the top of the base 1, and one end of the pawl 28 engages with the outside of the ratchet 25.
[0028] The pull rod 29 is T-shaped and is located inside the spring 26. The first fixing clip 21 and the second fixing clip 24 are both arc-shaped.
[0029] One end of the second fixing clip 24 is configured as a rake shape, and the outside of the first fixing clip 21 is provided with a through groove that is adapted to the second fixing clip 24.
[0030] With the above technical solution, when it is necessary to fix the cable, first place the cable to be fixed inside the first fixing clip 21, then manually flip the second fixing clip 24. The second fixing clip 24 drives the rotating shaft 23 to rotate inside the support base 22. At the same time, the rotating shaft 23 drives the ratchet 25 to rotate synchronously. At this time, under the elastic force of the spring 26, the locking seat 27 will drive the pawl 28 to always maintain a meshing state with the outside of the ratchet 25. As the second fixing clip 24 continues to flip, its rake-shaped end will gradually pass through the through groove on the outside of the first fixing clip 21 and move closer to the cable until it is tightly pressed against the surface of the cable. Due to the one-way meshing characteristic of the pawl 28 and the ratchet 25, the second fixing clip... The second clamp 24 will not rebound due to the reaction force of the cable or external vibration, thus achieving stable clamping of the cable. When it is necessary to remove or adjust the cable, pull the T-shaped lever 29 outward. The lever 29 drives the locking seat 27 to compress the spring 26 and move away from the ratchet 25, so that the pawl 28 disengages from the ratchet 25. At this time, the second clamp 24 can be flipped in the opposite direction to open it, thus accommodating cables of different diameters. With the one-way locking function of the ratchet 25 and the pawl 28, it is ensured that it is not easy to loosen after being fixed. No additional tools are required for operation, preventing the loss of parts. At the same time, the setting of the lever 29 makes the unlocking operation convenient, and the overall cable fixing adaptability, stability and operation efficiency are improved.
[0031] Example 2
[0032] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 Furthermore, based on Embodiment 1, the protective mechanism 3 includes a protective shell 31, a damping shaft 32 is installed on the inner side of the protective shell 31, a protective cover 33 is fixedly connected to the outside of the damping shaft 32, and a locking block 34 is fixedly connected to one end of the protective cover 33.
[0033] One end of the protective shell 31 is fixedly connected to one end of the support base 22, and a through hole for sliding of the pull rod 29 is provided at one end of the protective shell 31.
[0034] There are two card blocks 34, which are symmetrically distributed. One end of the protective shell 31 has a card slot that is compatible with the card blocks 34.
[0035] With the above technical solution, the protective cover 33 is first manually rotated. The protective cover 33 rotates around the damping shaft 32 inside the protective shell 31. The damping characteristics of the damping shaft 32 make the rotation process of the protective cover 33 smooth and controllable. As the protective cover 33 rotates, the locking block 34 will accurately lock into the corresponding locking groove, realizing a stable connection between the protective cover 33 and the protective shell 31. At this time, the protective mechanism 3 forms a closed space, which can effectively block external dust, moisture and debris from entering, protect the internal ratchet 25, and extend the service life of the device.
[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A protective device for power engineering, comprising a base (1), characterized in that: The base (1) is provided with a fixing mechanism (2) on its top, and a protective mechanism (3) is provided on the outside of the fixing mechanism (2). The fixing mechanism (2) includes a first fixing clamp (21), a support base (22) is fixedly connected to the top of the first fixing clamp (21), a rotating shaft (23) is rotatably connected to the inner side of the support base (22), a second fixing clamp (24) and a ratchet (25) are fixedly connected to the outer side of the rotating shaft (23), a spring (26) is fixedly connected to one end of the support base (22), a locking seat (27) is fixedly connected to one end of the spring (26), a pawl (28) is rotatably connected to the inner side of the locking seat (27), and a pull rod (29) is fixedly connected to one end of the locking seat (27).
2. The protection device for power engineering according to claim 1, characterized in that: The first fixing clip (21) is fixedly connected to the top of the base (1), and one end of the pawl (28) engages with the outside of the ratchet (25).
3. A protection device for power engineering according to claim 1, characterized in that: The pull rod (29) is T-shaped and is located inside the spring (26). The first fixing clip (21) and the second fixing clip (24) are both arc-shaped.
4. A protection device for power engineering according to claim 1, characterized in that: One end of the second fixing clip (24) is configured as a rake shape, and the outside of the first fixing clip (21) is provided with a through groove that is compatible with the second fixing clip (24).
5. A protection device for power engineering according to claim 1, characterized in that: The protective mechanism (3) includes a protective shell (31), a damping shaft (32) is installed on the inner side of the protective shell (31), a protective cover (33) is fixedly connected to the outside of the damping shaft (32), and a locking block (34) is fixedly connected to one end of the protective cover (33).
6. A protection device for power engineering according to claim 5, characterized in that: One end of the protective shell (31) is fixedly connected to one end of the support base (22), and one end of the protective shell (31) is provided with a through hole for sliding of the pull rod (29).
7. A protection device for power engineering according to claim 5, characterized in that: There are two card blocks (34), and the two card blocks (34) are symmetrically distributed. One end of the protective shell (31) is provided with a card slot that is compatible with the card blocks (34).
Citation Information
Patent Citations
Wiring protection device for building electric power engineering
CN221928571U
