Hot-line work wire stripping tool capable of accurately measuring cable size

Abstract

The utility model discloses a hot-line work wire stripping tool capable of accurately measuring the size of a cable, which belongs to the technical field of hot-line work wire stripping tools and comprises a U-shaped fixing plate, a cutting assembly used for cutting the skin layer of the cable, a moving assembly used for moving the skin layer of the cable, a holding rod and a handle. The cutting assembly and the moving assembly are both installed at the top of the U-shaped fixing plate, the holding rod and the handle are both of a hollow structure, and the top of the holding rod is fixedly connected with the inner wall of the U-shaped fixing plate. According to the hot-line work wire stripping tool capable of accurately measuring the size of the cable, the cable is clamped between the handle and the bottom of the holding rod by rotating the handle, one side of the cable abuts against the inner wall of an arc-shaped groove, and the size of the cable is accurately measured; the other side of the wire stripping tool extrudes the sliding block to slide in the empty groove, the size of the cable can be read through the scale marks aligned with the sliding block, and the problems that most of existing wire stripping tools for hot-line work are inconvenient to measure the size of the cable, and an insulating skin layer is difficult to separate or a wire core is easy to cut are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of live-line working wire stripping tools, in particular to a live-line working wire stripping tool which can accurately measure the size of cables. Background Art

[0002] Wire strippers are one of the commonly used tools for inside electricians, motor repairmen, and instrument electricians. They are used for electricians to strip the insulation layer on the surface of wires. Wire strippers can separate the cut insulation from the wires and prevent electric shock, making them one of the most common wire stripping tools.

[0003] When using the wire strippers, the cables need to be placed in different blades on the wire strippers according to the different sizes of the cables. Most of the existing wire strippers are not convenient for measuring the size of the cables, and the staff needs to make a rough identification with the naked eye, which has a large error. When the observed size is smaller than the actual size, it is easy to cause incomplete stripping, resulting in difficulty in separating the insulation layer. When the observed size is larger than the actual size, it is easy to cause the blade to cut the wire core. Utility Model Content

[0004] The utility model aims to provide a live wire stripping tool for accurately measuring the size of cables, thereby ensuring complete stripping and preventing the wire core from being cut.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] Provided is a live wire stripping tool that can accurately measure the size of cables, comprising a U-shaped fixed plate, a cutting assembly for cutting the cable cortex, a moving assembly for moving the cable cortex, a grip rod and a handle, wherein the cutting assembly and the moving assembly are both installed on the top of the U-shaped fixed plate, the grip rod and the handle are both hollow structures, the top of the grip rod is fixedly connected to the inner wall of the U-shaped fixed plate, the top of the handle is rotatably connected to the inner walls on both sides of the U-shaped fixed plate, and also includes a measuring assembly for measuring the size of the cable, the measuring assembly comprises a pair of partitions, a slider, a plurality of first springs and a plurality of scale lines, the partition is fixedly connected to the inner wall of the handle, a through sliding groove is provided on the top of the partition, the two sliding grooves are respectively slidably connected to the top and bottom of the slider, an empty groove is provided at the bottom of one end of the handle, the empty groove is slidably connected to the slider, one end of the plurality of first springs are respectively fixedly connected to the four corners of one end of the slider, the other end of the first spring is fixedly connected to the inner wall of one end of the handle, one side of the handle is fixedly connected to the scale lines, and an arc groove corresponding to the position of the empty groove is provided at one end of the grip rod.

[0007] Furthermore, the cutting assembly includes a first wire rack, multiple upper blades, multiple lower blades and an L-shaped rod. The bottom of the first wire rack is fixedly connected to the top of the grip rod, one side of the first wire rack is provided with multiple wire grooves, the top of the upper blade is fixedly connected to the top wall of the wire groove, the bottom of the wire groove is provided with a knife groove, the knife groove is slidably connected to the lower blade, the top of the L-shaped rod passes through the first wire rack and is slidably connected thereto, one side of the L-shaped rod is fixedly connected to the lower blade, and when the top of the L-shaped rod and the top wall of the first wire rack are in contact with each other, the bottom of the upper blade and the top of the lower blade are in contact with each other.

[0008] Furthermore, the cutting assembly also includes a round rod, a gear and a rack. The two sides of the round rod are fixedly connected to the inner walls on both sides of the top of the handle. The round rod passes through the gear and is coaxially connected to it. The gear is meshed with the rack. A long groove is provided at one end of the grip rod. The bottom of the L-shaped rod passes through the long groove and the top wall of the grip rod and is slidably connected to them. A semicircular groove is provided on the top of the handle. One end of the L-shaped rod passes through the semicircular groove and is fixedly connected to the rack.

[0009] Furthermore, the movable assembly includes a second wire rack, multiple pairs of clamping blocks, guide rods and threaded rods. The second wire rack is located at one end of the first wire rack. Multiple clamping slots corresponding to the wire slots are opened on one side of the second wire rack. The multiple pairs of clamping blocks are respectively fixedly connected to the top walls and bottom walls of the multiple clamping slots. One end of the guide rod and the threaded rod are both fixedly connected to the bottom of one end of the first wire rack. The other end of the guide rod passes through the second wire rack and is slidably connected to it. The other end of the threaded rod passes through the second wire rack and is threadedly connected to it.

[0010] Furthermore, the moving assembly also includes a motor, one end of the motor is fixedly connected to the first wire frame, and one end of the output shaft of the motor passes through the first wire frame and is threadedly connected to the threaded rod.

[0011] Furthermore, it also includes a second spring, and grooves are provided at opposite ends of the handle and the grip rod, and both ends of the spring are fixedly connected to the inner wall of the end opposite to the two grooves.

[0012] Furthermore, it includes a pair of rubber insulating sleeves, the inner walls of the two rubber insulating sleeves are fixedly connected to the grip rod and the outer periphery of the handle respectively, the opposite ends of the two rubber insulating sleeves are provided with round holes corresponding to the grooves, and one end of the rubber insulating sleeve on the handle is provided with a square hole corresponding to the empty groove.

[0013] The beneficial effects of the utility model are as follows: the utility model provides a handle, a slider and a scale line, when stripping the wire, first hold the grip and turn the handle, so that one side of the cable is against the inner wall of the arc groove, and the other side enters the empty groove and pushes the slider to slide. The first spring is compressed and maintains a tendency to rebound, pushing the slider to always contact the cable. When the handle is rotated to be parallel to the grip, the scale line flush with one end of the slider represents the diameter of the cable, which is convenient for accurately measuring the size of the cable, and then facilitating the selection of a suitable blade to strip the cable, avoiding the situation where the insulation layer is difficult to separate or the wire core is cut. The device has a simple structure and is easy to operate, which is conducive to promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the embodiments of the present utility model. Obviously, the drawings described below are only some embodiments of the present utility model, and for ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work.

[0015] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0017] Figure 3 It is a schematic diagram of the structural disassembly of the utility model;

[0018] Figure 4 This is a cross-sectional view of the handle and grip structure of the utility model;

[0019] Figure 5 This is a cross-sectional view of the first wire frame structure of the utility model.

[0020] In the figure:

[0021] 1. U-shaped fixing plate; 10. gripping rod; 100. arc groove; 101. long groove; 11. handle; 110. empty groove; 111. semicircular groove; 12. second spring; 120. groove; 13. rubber insulating sleeve; 130. round hole; 131. square hole;

[0022] 2. Cutting assembly; 20. First wire rack; 200. Wire slot; 201. Knife slot; 21. Upper blade; 22. Lower blade; 23. L-shaped rod; 24. Round rod; 25. Gear; 26. Rack;

[0023] 3. Moving assembly; 30. Second wire rack; 300. Card slot; 31. Card block; 32. Guide rod; 33. Threaded rod; 34. Motor;

[0024] 4. Measuring assembly; 40. Partition; 400. Slide groove; 41. Slider; 42. First spring; 43. Scale line. Implementation

[0025] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0026] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0027] Reference Figures 1 to 5 The live wire stripping tool shown in the figure can accurately measure the size of cables, including a U-shaped fixed plate 1, a cutting component 2 for cutting the cable cortex, a moving component 3 for moving the cable cortex, a gripping rod 10 and a handle 11. The cutting component 2 and the moving component 3 are both installed on the top of the U-shaped fixed plate 1. The gripping rod 10 and the handle 11 are both hollow structures. The top of the gripping rod 10 is fixedly connected to the inner wall of the U-shaped fixed plate 1, and the top of the handle 11 is rotatably connected to the inner walls of both sides of the U-shaped fixed plate 1. It also includes a measuring component 4 for measuring the size of the cable. The measuring component 4 includes a pair of partitions 40, a slider 41, a plurality of first springs 42 and a plurality of scale lines 43. The partition 40 is fixedly connected to the inner wall of the handle 11, and a through slide groove 400 is opened on the top of the partition 40. The two slide grooves 400 are respectively slidably connected to the top and bottom of the slider 41. An empty groove 110 is opened at the bottom of one end of the handle 11, and the empty groove 110 is slidably connected to the slider 41. One end of the plurality of first springs 42 is respectively fixedly connected to the four corners of one end of the slider 41 The other end of the first spring 42 is fixedly connected to the inner wall of one end of the handle 11, and one side of the handle 11 is fixedly connected to the scale line 43. An arc groove 100 corresponding to the position of the empty groove 110 is opened at one end of the grip rod 10. Its main purpose is: before stripping the wire, move the grip rod 10 so that one side of the cable is against the inner wall of the arc groove 100, and then rotate the handle 11 so that the other side of the cable is located in the empty groove 110. Continue to rotate the handle 11, and the cable will push the slider 41 to slide along the slide groove 400 in the empty groove 110. The first The spring 42 is compressed and keeps rebounding tendency, pushing the slider 41 to always contact the cable. When the handle 11 is rotated to be parallel to the grip 10, the two rubber insulating sleeves 13 fit each other. At this time, among the multiple scale lines 43 on the surface of the handle 11, the scale line 43 flush with one end of the slider 41 represents the diameter of the cable, which makes it easy to accurately measure the size of the cable, and then makes it easy to select a suitable blade to strip the cable, avoiding the situation where the insulation layer is difficult to separate or the wire core is cut.

[0028] In the above-mentioned cutting assembly 2 for cutting the cable cortex, the cutting assembly 2 includes a first wire rack 20, a plurality of upper blades 21, a plurality of lower blades 22 and an L-shaped rod 23. The bottom of the first wire rack 20 is fixedly connected to the top of the grip rod 10, a plurality of wire grooves 200 are provided on one side of the first wire rack 20, the top of the upper blade 21 is fixedly connected to the top wall of the wire groove 200, a knife groove 201 is provided at the bottom of the wire groove 200, the knife groove 201 is slidably connected to the lower blade 22, the top of the L-shaped rod 23 passes through the first wire rack 20 and is slidably connected thereto, and one side of the L-shaped rod 23 is connected to the first wire rack 20. The lower blade 22 is fixedly connected. When the top of the L-shaped rod 23 fits against the top wall of the first wire rack 20, the bottom of the upper blade 21 fits against the top of the lower blade 22. The cable is inserted into the wire groove 200, and the L-shaped rod 23 slides upward, driving the lower blade 22 to slide upward out of the knife groove 201. At this time, the lower blade 22 and the upper blade 21 fit against each other in the wire groove 200. The insulating skin layer of the outer layer of the cable is cut off by the upper blade 21 and the lower blade 22, and the wire core inside the cable is just located in the semicircular groove 120 opened on the upper blade 21 and the lower blade 22.

[0029] In order to make the L-shaped rod 23 move up and down, the cutting assembly 2 also includes a round rod 24, a gear 25 and a rack 26. The two sides of the round rod 24 are fixedly connected to the inner walls on both sides of the top of the handle 11, the round rod 24 passes through the gear 25 and is coaxially connected thereto, the gear 25 is meshed with the rack 26, a long groove 101 is provided at one end of the grip rod 10, the bottom of the L-shaped rod 23 passes through the long groove 101 and the top wall of the grip rod 10 and is slidably connected thereto, a semicircular groove 111 is provided at the top of the handle 11, one end of the L-shaped rod 23 passes through the semicircular groove 111 and is fixedly connected to the rack 26, when the handle 11 is rotated, the gear 25 follows the handle 11 to rotate through the round rod 24, and through the meshing transmission with the rack 26, drives the rack 26 and the L-shaped rod 23 to move, and the bottom of the L-shaped rod 23 slides in the long groove 101 and the semicircular groove 111.

[0030] In the above-mentioned moving component 3 for moving the cable cortex, the moving component 3 includes a second wire rack 30, multiple pairs of card blocks 31, a guide rod 32 and a threaded rod 33. The second wire rack 30 is located at one end of the first wire rack 20. A plurality of card slots 300 corresponding to the wire slots 200 are opened on one side of the second wire rack 30. The multiple pairs of card blocks 31 are fixedly connected to the top walls and bottom walls of the multiple card slots 300 respectively. One end of the guide rod 32 and the threaded rod 33 are fixedly connected to the bottom of one end of the first wire rack 20. The other end of the guide rod 32 passes through the second wire rack 30 and is slidably connected thereto. The other end of the threaded rod 33 passes through the second wire rack 30 and is threadedly connected thereto. When the cable is inserted into the wire groove 200, the other part of the cable is clamped into the clamping groove 300. The side wall of the cable and the clamping block 31 contact each other, causing the threaded rod 33 to rotate. Through the threaded transmission between the second wire rack 30, the second wire rack 30 is driven to slide along the guide rod away from the first wire rack 20. One end of the insulating skin of the cable is pressed against the upper blade 21 and the lower blade 22, and the other end is clamped and moved by the second wire rack 30, so that the two ends of the insulating skin of the cable are moved away from each other.

[0031] Taking into account the need to rotate the threaded rod 33, the moving assembly 3 also includes a motor 34, one end of the motor 34 is fixedly connected to the first wire frame 20, one end of the output shaft of the motor 34 passes through the first wire frame 20 and is threadedly connected to the threaded rod 33, so that the motor 34 is powered on and its output shaft can drive the threaded rod 33 to rotate forward and reverse, so that the second wire frame 30 slides back and forth.

[0032] When in use, in order to facilitate the handle 11 to open outward, it also includes a second spring 12. The handle 11 and the grip rod 10 have grooves 120 at the opposite ends. The two ends of the spring are fixedly connected to the inner walls of the ends opposite to the two grooves 120. When the handle 11 is rotated to make it close to the grip rod 10, the second spring 12 is compressed. After the handle 11 is released, the second spring 12 rebounds and pushes the handle 11 to rotate back to its original position.

[0033] In addition, when operating with power on, it is necessary to prevent electric shock accidents, and a pair of rubber insulating sleeves 13 are also included. The inner walls of the two rubber insulating sleeves 13 are fixedly connected to the outer periphery of the grip rod 10 and the handle 11 respectively. The opposite ends of the two rubber insulating sleeves 13 are provided with round holes 130 corresponding to the grooves 120, and one end of the rubber insulating sleeve 13 on the handle 11 is provided with a square hole 131 corresponding to the empty groove 110. When in use, the operator holds the grip rod 10 with one hand and pinches the rubber insulating sleeve 13 on the outer periphery of the handle 11. The rubber insulating sleeve 13 isolates the current to ensure the safety of the user. The rubber insulating sleeve 13 is provided with square holes 131 and round holes 130 to prevent obstruction of the operation of the handle 11 and facilitate observation of the scale line 43.

[0034] It should be noted that the above specific implementations are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art should understand that various modifications, equivalent substitutions, changes, etc. can be made to the present invention. However, as long as these changes do not deviate from the spirit of the present invention, they should be within the scope of protection of the present invention. In addition, some terms used in the specification and claims of this application are not restrictive, but are only for the convenience of description.

Claims

1. A live wire stripping tool capable of accurately measuring cable dimensions, comprising a U-shaped fixed plate (1), a cutting assembly (2) for cutting the cable cortex, a moving assembly (3) for moving the cable cortex, a gripping rod (10) and a handle (11), wherein the cutting assembly (2) and the moving assembly (3) are both mounted on the top of the U-shaped fixed plate (1), the gripping rod (10) and the handle (11) are both hollow structures, the top of the gripping rod (10) is fixedly connected to the inner wall of the U-shaped fixed plate (1), and the top of the handle (11) is rotatably connected to the inner walls of both sides of the U-shaped fixed plate (1), characterized in that: The measuring assembly (4) is also included for measuring the size of the cable. The measuring assembly (4) includes a pair of partitions (40), a slider (41), a plurality of first springs (42) and a plurality of scale lines (43). The partition (40) is fixedly connected to the inner wall of the handle (11). A through slide groove (400) is provided at the top of the partition (40). The two slide grooves (400) are respectively slidably connected to the top and bottom of the slider (41). An empty groove (110) is provided at the bottom of one end of the handle (11). The empty groove (110) is slidably connected to the slider (41). One end of the plurality of first springs (42) is respectively fixedly connected to the four corners of one end of the slider (41). The other end of the first spring (42) is fixedly connected to the inner wall of one end of the handle (11). One side of the handle (11) is fixedly connected to the scale lines (43). An arc groove (100) corresponding to the position of the empty groove (110) is provided at one end of the grip rod (10).

2. A live wire stripping tool capable of accurately measuring cable size according to claim 1, characterized in that: The cutting assembly (2) comprises a first wire frame (20), a plurality of upper blades (21), a plurality of lower blades (22) and an L-shaped rod (23); the bottom of the first wire frame (20) is fixedly connected to the top of the grip rod (10); a plurality of wire grooves (200) are provided on one side of the first wire frame (20); the top of the upper blade (21) is fixedly connected to the top wall of the wire groove (200); the bottom of the wire groove (200) is provided with a knife groove (201); the knife groove (201) is slidably connected to the lower blade (22); the top of the L-shaped rod (23) passes through the first wire frame (20) and is slidably connected thereto; one side of the L-shaped rod (23) is fixedly connected to the lower blade (22); when the top of the L-shaped rod (23) and the top wall of the first wire frame (20) are in contact with each other, the bottom of the upper blade (21) and the top of the lower blade (22) are in contact with each other.

3. A live wire stripping tool capable of accurately measuring cable size according to claim 2, characterized in that: The cutting assembly (2) further comprises a round rod (24), a gear (25) and a rack (26); two sides of the round rod (24) are fixedly connected to the inner walls of the top of the handle (11); the round rod (24) passes through the gear (25) and is coaxially connected thereto; the gear (25) meshes with the rack (26); a long groove (101) is formed at one end of the gripping rod (10); the bottom of the L-shaped rod (23) passes through the long groove (101) and the top wall of the gripping rod (10) and is slidably connected thereto; a semicircular groove (111) is formed through the top of the handle (11); one end of the L-shaped rod (23) passes through the semicircular groove (111) and is fixedly connected to the rack (26).

4. A live wire stripping tool capable of accurately measuring cable size according to claim 1, characterized in that: The moving assembly (3) comprises a second wire frame (30), a plurality of pairs of clamping blocks (31), a guide rod (32) and a threaded rod (33); the second wire frame (30) is located at one end of the first wire frame (20); a plurality of clamping slots (300) corresponding to the wire slots (200) are provided on one side of the second wire frame (30); the plurality of pairs of clamping blocks (31) are respectively fixedly connected to the top walls and bottom walls of the plurality of clamping slots (300); one end of the guide rod (32) and the threaded rod (33) are both fixedly connected to the bottom of one end of the first wire frame (20); the other end of the guide rod (32) passes through the second wire frame (30) and is slidably connected thereto; the other end of the threaded rod (33) passes through the second wire frame (30) and is threadedly connected thereto.

5. A live wire stripping tool capable of accurately measuring cable size according to claim 4, characterized in that: The moving assembly (3) further comprises a motor (34), one end of the motor (34) being fixedly connected to the first wire frame (20), and one end of an output shaft of the motor (34) passing through the first wire frame (20) and being threadedly connected to the threaded rod (33).

6. A live wire stripping tool capable of accurately measuring cable size according to claim 1, characterized in that: It also includes a second spring (12). The handle (11) and the grip rod (10) are provided with grooves (120) at opposite ends thereof. Both ends of the spring are fixedly connected to inner walls of the ends opposite to the two grooves (120).

7. The live wire stripping tool capable of accurately measuring cable size according to claim 1, characterized in that: It also comprises a pair of rubber insulating sleeves (13), the inner walls of the two rubber insulating sleeves (13) being fixedly connected to the outer peripheries of the grip rod (10) and the handle (11) respectively, the opposite ends of the two rubber insulating sleeves (13) are each provided with a circular hole (130) corresponding to the groove (120), and one end of the rubber insulating sleeve (13) on the handle (11) is provided with a square hole (131) corresponding to the empty groove (110).

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