Power equipment wire clamp
By using the upper and lower teeth staggered and linkage plate design in the power equipment clamp, the problem of unstable wire clamping force in the prior art is solved, and more stable cable connections and higher clamping force are achieved.
Patent Information
- Application Number
- CN202420753730.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-12
AI Technical Summary
During the use of existing power equipment wires, due to temperature fluctuations or cable pulling, the clamping force is unstable, and there is a risk of poor contact, loose connections or even falling off.
The power equipment wire clamp design is adopted with the upper and lower teeth arranged in a staggered manner, in which the lower clamp plate and the upper cover plate are respectively equipped with spaced lower clamp teeth and upper clamp teeth. The linkage plate makes the three upper cover plates have a connecting power, improving the clamping force and connection stability of the cable.
It effectively improves the clamping force of the access cable, ensures stable connection of the cable, and reduces the risk of poor contact and fall off.
Smart Images
Figure CN222601403U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric power fittings, in particular to a wire clamp for electric power equipment. Background Art
[0002] Power equipment wire clamps are metal accessories used to connect and fix wires or cables. They are mostly used to connect round bar terminal posts with conductors, busbars and terminals in power transformers, pole switches, vacuum circuit breakers, and high-voltage electrical equipment.
[0003] For the commonly used bolt-type equipment wire clamps, which are used to connect one end of the wire, most of them use a clamping plate and a cover plate, and the lower clamping plate and the cover plate are fastened by bolts to clamp the wire. However, during the use of the equipment wire clamp, due to some circumstances such as the power on or off of the equipment wire clamp, the equipment wire clamp will experience a temperature fluctuation under the action of electric heat or the cable will be pulled, etc., resulting in unstable clamping force of the equipment wire clamp, resulting in poor contact of the clamped cable, loose connection or even falling off, so improvement and optimization are needed. Utility Model Content
[0004] In order to solve the above problems, the technical problem to be solved by the utility model is to provide a reliable clamping power equipment wire clamp.
[0005] The technical solution adopted by the utility model power equipment wire clamp is characterized in that it includes a lower clamping plate, three upper cover plates equidistantly covered on the lower clamping plate, a bolt assembly and a linkage plate, the lower clamping plate is provided with a lower clamping groove for inserting cables, the lower clamping groove is provided with lower clamping teeth arranged at intervals, the upper cover plate includes a cover plate arc portion connected to the lower clamping groove and a cover plate connecting portion provided at both ends of the cover plate arc portion, the cover plate arc portion is provided with upper clamping teeth arranged at intervals, the upper clamping teeth and the lower clamping teeth are staggered, the cover plate connecting portion is provided with a cover plate fixing hole, and the lower clamping plate is provided with lower clamping plate docking holes corresponding to the cover plate fixing holes on both sides of the lower clamping groove;
[0006] The linkage plate is attached to the upper ends of the three cover plate connection parts, and the bolt assembly passes through the lower clamping plate docking hole, the cover plate fixing hole and the linkage plate in sequence and is threadedly fixed.
[0007] A cover plate positioning protrusion is provided at the upper end of the cover plate connecting portion, and a linkage plate positioning opening corresponding to the cover plate positioning protrusion is provided on the linkage plate, and the cover plate positioning protrusion is a square structure.
[0008] The cross sections of the upper clamping teeth and the lower clamping teeth are both triangular.
[0009] The tooth heights of the upper clamping teeth and the lower clamping teeth are both 0.7 mm.
[0010] A lower limit protrusion for the cover plate is disposed at the lower end of the cover plate connecting portion outside the cover plate fixing hole, and a lower limit groove for the cover plate corresponding to the lower limit protrusion for the cover plate is disposed outside the lower limit hole for the lower clamping plate.
[0011] A screw limiting groove for limiting the bolt head is provided on the back of the lower clamping plate, and the screw limiting groove is a regular hexagonal structure.
[0012] The linkage plate is made of rubber.
[0013] The advantages of the power equipment wire clamp of the utility model are that the staggered arrangement of the upper and lower teeth can effectively improve the clamping force of the connected cables, and the linkage plate can provide linkage force between the three upper cover plates, making the connection more stable and reliable during the cable clamping process. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0015] Figure 1 This is an exploded view of the power equipment wire clamp of the utility model;
[0016] Figure 2 It is a front structural schematic diagram of the lower clamping plate of the utility model;
[0017] Figure 3 It is a front structural schematic diagram of the upper cover plate of the utility model;
[0018] Figure 4 It is a schematic diagram of the back structure of the upper cover plate of the utility model;
[0019] Figure 5 It is a schematic diagram of the back structure of the lower splint of the utility model;
[0020] Figure 6 It is a structural schematic diagram of the linkage plate of the utility model. DETAILED DESCRIPTION
[0021] like Figure 1-6As shown, the utility model relates to a power equipment wire clamp, comprising a lower clamping plate 1, three upper cover plates 2 equally spaced on the lower clamping plate 1, a bolt assembly 3 and a linkage plate 4, the lower clamping plate 1 is provided with a lower clamping groove 6 for cable placement, the lower clamping groove 6 is provided with lower clamping teeth 7 arranged at intervals, the upper cover plate 2 comprises a cover plate arc portion 8 connected to the lower clamping groove 6 and a cover plate connecting portion 9 arranged at both ends of the cover plate arc portion 8, the cover plate arc portion 8 is provided with upper clamping teeth 11 arranged at intervals, the upper clamping teeth 11 and the lower clamping teeth 7 are staggered, the cover A cover plate fixing hole 12 is provided on the plate connecting portion 9, and the lower clamping plate 1 is provided with lower clamping plate docking holes 13 corresponding to the cover plate fixing holes 12 on both sides of the lower clamping groove 6; the linkage plate 4 is attached to the upper ends of the three cover plate connecting portions 9, and the bolt assembly 3 passes through the lower clamping plate docking hole 13, the cover plate fixing hole 12 and the linkage plate 4 in sequence and is threadedly fixed. The staggered arrangement of the upper and lower teeth can effectively improve the clamping force of the connected cables. The linkage plate 4 can provide linkage force between the three upper cover plates 2, making their connection more stable and reliable during the cable clamping process.
[0022] A cover plate positioning protrusion 15 is provided at the upper end of the cover plate connecting portion 9, and a linkage plate positioning opening 16 corresponding to the cover plate positioning protrusion 15 is provided on the linkage plate 4. The cover plate positioning protrusion 15 is a square structure, and the linkage plate 4 is more reliably connected to the upper cover plate 2 and is not easy to shake.
[0023] The cross-sections of the upper clamping teeth 11 and the lower clamping teeth 7 are both triangular, and compared with other shapes, the clamping force after clamping is the best.
[0024] The tooth heights of the upper clamping teeth 11 and the lower clamping teeth 7 are both 0.7 mm, which can provide a better cable clamping effect.
[0025] The lower end of the cover plate connecting portion 9 is provided with a cover plate lower limiting protrusion 18 outside the cover plate fixing hole 12, and the lower clamping plate 1 is provided with a lower clamping plate limiting groove 19 corresponding to the cover plate lower limiting protrusion 18 outside the lower clamping plate docking hole 13, further improving the connection tightness between the upper cover plate 2 and the lower clamping plate 1.
[0026] The back of the lower clamping plate 1 is provided with a screw limiting groove 21 for limiting the bolt head. The screw limiting groove 21 is a regular hexagonal structure, which effectively slows down the loosening of the bolt assembly.
[0027] The linkage plate 4 is made of rubber material, which has low cost and long service life.
[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.
Claims
1. A power equipment wire clamp, characterized in that: The invention comprises a lower clamping plate (1), three upper cover plates (2) which are equidistantly arranged on the lower clamping plate (1), a bolt assembly (3) and a linkage plate (4); the lower clamping plate (1) is provided with a lower clamping groove (6) for inserting a cable; the lower clamping groove (6) is provided with lower clamping teeth (7) arranged at intervals; the upper cover plate (2) comprises a cover plate arc portion (8) which is connected to the lower clamping groove (6) and a cover plate connecting portion (9) arranged at both ends of the cover plate arc portion (8); the cover plate arc portion (8) is provided with upper clamping teeth (11) arranged at intervals; the upper clamping teeth (11) and the lower clamping teeth (7) are arranged staggered; the cover plate connecting portion (9) is provided with a cover plate fixing hole (12); the lower clamping plate (1) is provided with lower clamping plate docking holes (13) corresponding to the cover plate fixing holes (12) on both sides of the lower clamping groove (6); The linkage plate (4) is fitted onto the upper ends of the three cover plate connection portions (9), and the bolt assembly (3) is threadedly fixed after passing through the lower clamping plate docking hole (13), the cover plate fixing hole (12) and the linkage plate (4) in sequence.
2. The power equipment wire clamp according to claim 1, characterized in that: A cover plate positioning protrusion (15) is provided at the upper end of the cover plate connecting portion (9), and a linkage plate positioning opening (16) corresponding to the cover plate positioning protrusion (15) is provided on the linkage plate (4), and the cover plate positioning protrusion (15) is a square structure.
3. The power equipment wire clamp according to claim 1, characterized in that: The cross-sections of the upper clamping teeth (11) and the lower clamping teeth (7) are both triangular.
4. The power equipment wire clamp according to claim 1, characterized in that: The tooth heights of the upper clamping teeth (11) and the lower clamping teeth (7) are both 0.7 mm.
5. The power equipment wire clamp according to claim 1, characterized in that: The lower end of the cover plate connecting portion (9) is provided with a cover plate lower limiting protrusion (18) outside the cover plate fixing hole (12), and the lower clamping plate (1) is provided with a lower clamping plate limiting groove (19) corresponding to the cover plate lower limiting protrusion (18) outside the lower clamping plate docking hole (13).
6. The power equipment wire clamp according to claim 1, characterized in that: The back of the lower clamping plate (1) is provided with a screw limiting groove (21) for limiting the bolt head, and the screw limiting groove (21) is a regular hexagonal structure.
7. The power equipment wire clamp according to claim 1, characterized in that: The linkage plate (4) is made of rubber.