Portable quick cable paring knife

Abstract

The utility model discloses a portable quick cable paring knife, and relates to the technical field of cable paring knives. The utility model aims to solve the problems that the existing cable stripping tool is inconvenient to use and long in operation time, and the insulation skin of a single-strand wire is easy to damage and cause personal injury. The electric knife comprises a handheld knife handle main frame, an adjustable cable pulley assembly and a telescopic blade assembly, a connecting part is arranged at the front end of the handheld knife handle main frame, the telescopic blade assembly is arranged on the connecting part and comprises a long blade, and a knife head of the long blade stretches out or retracts from the front end of the connecting part. The connecting part of the handheld knife handle main frame is connected with an adjustable cable pulley assembly, the adjustable cable pulley assembly comprises a cable pulley, the cable pulley is arranged at the lower part of the front end of the long blade, and the position of the cable pulley is adjustable. The cable stripping device is used for cable stripping.

Description

Technical Field

[0001] The utility model relates to the technical field of cable peeling knives, in particular to a portable fast cable peeling knife. Background Art

[0002] The cable peeler is a tool used to remove the protective layer and insulation layer of the cable. It is often used in the power industry maintenance, relay protection and other professions, and is suitable for removing the cable sheath.

[0003] The structure of a traditional cable peeling knife usually consists of a blade and a handle. Put the blade in contact with the cable to be peeled, hold the cable with one hand, hold the handle with the other hand, press the tip of the blade into the cable insulation, and cut along the length of the cable to peel off the cable insulation. In many cases, due to uneven force applied by the staff and smooth cable insulation, the cable knife is separated from the cable, making it difficult to strip the cable, which can easily damage the insulation of the single strand and cause personal injury; at the same time, the traditional cable peeling knife is inconvenient to use, and it takes too long to strip the cable skin, which reduces the work efficiency of the operator. Utility Model Content

[0004] The utility model provides a portable fast cable peeling knife to solve the problems that the existing cable stripping tools are inconvenient to use, the operation takes a long time, the insulation skin of the single strand wire is easily damaged and personal injury is easily caused.

[0005] The technical solution adopted by the utility model to solve the above technical problems is:

[0006] A portable fast cable peeling knife comprises a hand-held knife handle main frame, an adjustable cable pulley assembly and a telescopic blade assembly. A connecting portion is provided at the front end of the hand-held knife handle main frame, and the telescopic blade assembly is arranged on the connecting portion. The telescopic blade assembly comprises a long blade, and the blade head of the long blade extends out or retracts from the front end of the connecting portion. The connecting portion of the hand-held knife handle main frame is connected to the adjustable cable pulley assembly, and the adjustable cable pulley assembly comprises a cable pulley, which is arranged at the lower part of the front end of the long blade, and the position of the cable pulley is adjustable.

[0007] Furthermore, the telescopic blade assembly also includes a sliding knife holder, a blade bolt, a blade nut and two knife holder bolt assemblies. The sliding knife holder is arranged on one side of the connecting part of the hand-held knife handle main frame. A blade sliding groove is provided on the inner end surface of the connecting part. The front end of the blade sliding groove is open. The long blade is embedded in the blade sliding groove. The long blade is slidably connected along the length direction in the blade sliding groove, and the blade head of the long blade is extended or retracted from the open end. The rear side of the outer end surface of the long blade is vertically fixed with a blade bolt. A blade handle sliding through groove is provided on the end surface of the sliding knife holder. The blade bolt is inserted in the blade handle sliding through groove. A blade nut is screwed on the outer end of the blade bolt. The blade nut is arranged on the outside of the blade handle sliding through groove. The sliding knife holder and the connecting part are connected by two knife holder bolt assemblies.

[0008] Furthermore, the blade sliding groove is arranged to be tilted downward from the back to the front, and the position of the blade handle sliding through groove matches the blade sliding groove.

[0009] Furthermore, one tool holder bolt assembly is arranged at the upper part of the front end between the sliding tool holder and the hand-held tool handle main frame connecting part, and the other tool holder bolt assembly is arranged at the lower part of the rear end between the sliding tool holder and the hand-held tool handle main frame connecting part.

[0010] Furthermore, the tool holder bolt assembly includes a tool holder bolt and a tool holder butterfly nut, the tool holder bolt passes through the connecting portion of the sliding tool holder and the hand-held tool handle main frame, and the tool holder butterfly nut is threadedly connected to the end of the tool holder bolt.

[0011] Furthermore, the adjustable cable pulley assembly also includes an S-bar and a pulley butterfly bolt, the rear end of the S-bar is fixedly connected to the other side of the hand-held knife handle main frame connecting part through the pulley butterfly bolt, and the front end of the S-bar is rotatably connected to the cable pulley through the connecting assembly.

[0012] Furthermore, the cable pulley is arranged at the lower part just in front of the long blade.

[0013] Furthermore, the connecting assembly includes a pulley bolt and a pulley nut. The pulley nut is vertically fixed to the inner side of the front end of the S-bar. The pulley bolt is inserted in the middle of the cable pulley and is rotationally connected to the cable pulley. The end of the pulley bolt is threadedly connected to the pulley nut.

[0014] Furthermore, a hand-held portion is provided at the rear end of the hand-held knife handle main frame, and the hand-held portion includes a plurality of sections of curved smooth transition connections.

[0015] Furthermore, a protruding tail handle to prevent slipping is provided at the end of the hand-held portion of the hand-held knife handle main frame.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model can quickly strip the cable and improve the working efficiency of the operators.

[0018] 2. The hand-held knife handle main frame of the utility model is convenient for operators to grasp and has an anti-drop function.

[0019] 3. The cable pulley in the utility model can change the pulley position according to the needs, so as to facilitate cutting the cable skin at multiple positions and angles.

[0020] 4. The utility model can effectively prevent the insulation of the single-strand wire from being damaged and personal injury caused by the cable stripping knife being separated from the cable.

[0021] 5. The utility model provides a blade retracting device inside the blade holder, so that the blade can be retracted or contracted as required, which can effectively prevent the blade from injuring people.

[0022] 6. The utility model is convenient for operators to carry and is compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The utility model is a three-dimensional structural schematic diagram of a portable fast cable peeling knife.

[0024] Figure 2 The utility model is a three-dimensional cross-sectional structural schematic diagram of a portable fast cable peeling knife.

[0025] Figure 3 The utility model is a front view of a portable fast cable peeling knife.

[0026] Figure 4 The utility model is a schematic diagram of the explosion structure of a portable fast cable peeling knife.

[0027] In the figure: 11, hand-held knife handle main frame; 21, sliding knife holder; 31, cable pulley, 41, S-bar; 12, knife holder bolt; 13, knife holder butterfly nut; 22, blade bolt; 23, blade nut; 24, long blade; 25, blade sliding groove; 26, blade handle sliding groove; 32, pulley butterfly bolt; 33, pulley bolt; 34, pulley nut. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] Specific implementation method 1: Combination Figures 1 to 4The present embodiment is described as a portable quick cable peeling knife comprising a hand-held knife handle main frame 11, an adjustable cable pulley assembly and a telescopic blade assembly. A connecting portion is provided at the front end of the hand-held knife handle main frame 11, and the telescopic blade assembly is arranged on the connecting portion. The telescopic blade assembly comprises a long blade 24, and the blade head of the long blade 24 extends out or retracts from the front end of the connecting portion. The connecting portion of the hand-held knife handle main frame 11 is connected to the adjustable cable pulley assembly, and the adjustable cable pulley assembly comprises a cable pulley 31, which is arranged at the lower part of the front end of the long blade 24, and the position of the cable pulley 31 is adjustable.

[0030] In the present embodiment, when stripping the cable, the hand-held knife handle main frame 11 is held by hand, the cable is placed on the cable pulley 31, the position of the cable pulley 31 in the adjustable cable pulley assembly is adjusted and locked, and the extension length of the long blade 24 in the telescopic blade assembly is adjusted and locked, so that the blade head of the long blade 24 can cut the cable horizontally or vertically.

[0031] Specific implementation method 2: Combination Figures 1 to 4 The telescopic blade assembly described in this embodiment further includes a sliding blade holder 21, a blade bolt 22, a blade nut 23 and two blade holder bolt assemblies. The sliding blade holder 21 is arranged on one side of the connecting portion of the hand-held blade handle main frame 11. A blade sliding groove 25 is arranged on the inner end surface of the connecting portion. The front end of the blade sliding groove 25 is open. The long blade 24 is embedded in the blade sliding groove 25. The long blade 24 is connected by sliding along the length direction in the blade sliding groove 25, and the blade head of the long blade 24 is extended or retracted from the open end. The rear side of the outer end surface of the long blade 24 is vertically fixed with a blade bolt 22. A blade handle sliding groove 26 is arranged on the end surface of the sliding blade holder 21. The blade bolt 22 is inserted into the blade handle sliding groove 26. The outer end of the blade bolt 22 is screwed with a blade nut 23. The blade nut 23 is arranged on the outer side of the blade handle sliding groove 26. The sliding blade holder 21 is connected to the connecting portion by two blade holder bolt assemblies. The technical features not disclosed in this embodiment are the same as those in the first embodiment.

[0032] In this embodiment, the long blade 24 is embedded in the blade sliding groove 25, and the blade bolt 22 is inserted in the blade handle sliding groove 26. The position of the long blade 24 in the blade sliding groove 25 is adjusted by pushing the blade bolt 22, that is, the length of the long blade 24 extending out of the front end of the connecting portion is adjusted. After the length of the long blade 24 is adjusted, the position of the long blade 24 is locked by the blade nut 23, and the two tool holder bolt assemblies are locked at the same time, so that the long blade 24 is clamped between the sliding tool holder 21 and the connecting portion, and the position of the long blade 24 is locked.

[0033] To cooperate with the installation of the long blade 24, the shape of the sliding tool rest 21 can be set as a "曰" shape, making the shape of the sliding tool rest 21 flat and long, providing enough telescopic space for the long blade 24.

[0034] Specific Embodiment Three: Combining Figures 1 to 4 To describe this embodiment, the blade sliding groove 25 of this embodiment is inclined downward from back to front, and the position of the blade handle sliding through groove 26 is matched with the blade sliding groove 25. The technical features not disclosed in this embodiment are the same as those in Specific Embodiment Two.

[0035] Such a design makes the cutting head of the long blade 24 face downward, facilitating the long blade 24 to cut into the cable sheath.

[0036] Specific Embodiment Four: Combining Figures 1 to 4 To describe this embodiment, one tool rest bolt assembly is arranged at the upper part of the front end between the connection part of the sliding tool rest 21 and the main frame 11 of the hand-held tool handle, and the other tool rest bolt assembly is arranged at the lower part of the rear end between the connection part of the sliding tool rest 21 and the main frame 11 of the hand-held tool handle. The technical features not disclosed in this embodiment are the same as those in Specific Embodiment Two.

[0037] Such a design arranges the two tool rest bolt assemblies in a diagonal position to fix the sliding tool rest 21 on the main frame 11 of the hand-held tool handle, making it more convenient to realize the clamping and positioning of the long blade 24. Further, one tool rest bolt assembly is arranged at the upper part of the front end between the connection part of the sliding tool rest 21 and the main frame 11 of the hand-held tool handle, and the other tool rest bolt assembly is arranged at the lower part of the rear end between the connection part of the sliding tool rest 21 and the main frame 11 of the hand-held tool handle, that is, one tool rest bolt assembly is arranged above the cutting head part of the long blade 24, and the other tool rest bolt assembly is arranged below the tail part of the long blade 24. When the long blade 24 cuts, the cutting head part applies downward pressure, and the cable applies an upward reaction force to the cutting head, making the cutting head tend to move upward and the tail part tend to move downward. Therefore, clamping and locking are respectively carried out above the cutting head part and below the tail part of the long blade 24, which can more effectively position the long blade 24 and prevent the long blade 24 from rotating or moving.

[0038] Specific Embodiment Five: Combining Figures 1 to 4 To describe this embodiment, the tool rest bolt assembly of this embodiment includes a tool rest bolt 12 and a tool rest wing nut 13. The tool rest bolt 12 passes through the connection part of the sliding tool rest 21 and the main frame 11 of the hand-held tool handle, and the tool rest wing nut 13 is threadedly connected to the end of the tool rest bolt 12. The technical features not disclosed in this embodiment are the same as those in Specific Embodiment Four.

[0039] The tool holder bolt assembly designed in this way adopts the tool holder butterfly nut 13, which makes it easier to loosen and tighten the bolt assembly, and the spacing between the long blades 24 can be controlled by rotating the two tool holder butterfly nuts 13.

[0040] Specific implementation method six: Combination Figures 1 to 4 This embodiment is described. The adjustable cable pulley assembly in this embodiment further includes an S-bar 41 and a pulley butterfly bolt 32. The rear end of the S-bar 41 is fixedly connected to the other side of the connecting portion of the hand-held tool handle main frame 11 through the pulley butterfly bolt 32. The front end of the S-bar 41 is rotatably connected to the cable pulley 31 through a connecting assembly. The undisclosed technical features in this embodiment are the same as those in the first embodiment.

[0041] The rear end of the S-bar 41 is fixedly connected to the other side of the connecting part of the hand-held tool handle main frame 11 through the pulley butterfly bolt 32, thereby realizing a detachable connection between the S-bar 41 and the hand-held tool handle main frame 11, realizing the adjustment of the angle of the S-bar 41 in the vertical plane, and further realizing the position adjustment of the cable pulley 31 in the vertical plane.

[0042] Specific implementation method seven: Combination Figures 1 to 4 To explain this embodiment, the cable pulley 31 in this embodiment is arranged at the lower part just in front of the long blade 24. The undisclosed technical features in this embodiment are the same as those in the sixth embodiment.

[0043] The cable pulley 31 is designed in this way so that it is always located at the lower part directly in front of the long blade 24, which facilitates the cutting of the cable skin.

[0044] Specific implementation method eight: Combination Figures 1 to 4 This embodiment is described. The connection assembly in this embodiment includes a pulley bolt 33 and a pulley nut 34. The pulley nut 34 is vertically fixed to the inner side of the front end of the S-bar 41. The pulley bolt 33 is inserted in the middle of the cable pulley 31 and is rotatably connected to the cable pulley 31. The end of the pulley bolt 33 is threadedly connected to the pulley nut 34. The undisclosed technical features in this embodiment are the same as those in the sixth embodiment.

[0045] This design is used to achieve the rotational connection between the cable pulley 31 and the S-bar 41.

[0046] Specific implementation method nine: Combination Figures 1 to 4 This embodiment is described. The rear end of the hand-held knife handle main frame 11 of this embodiment is provided with a hand-held portion, and the hand-held portion includes a plurality of curves with smooth transition connection. The undisclosed technical features of this embodiment are the same as those of the specific embodiment 1. The outer wall of the hand-held knife handle main frame 11 is polished and ground.

[0047] Specific implementation method ten: Combination Figures 1 to 4This embodiment is described in which the end of the hand-held portion of the hand-held knife handle main frame 11 is provided with an anti-dropping protrusion tail handle. The undisclosed technical features of this embodiment are the same as those of the ninth embodiment.

[0048] Such design facilitates the hand-held knife handle to prevent the knife from falling out during cutting. The hand-held knife handle main frame 11 is made of alloy material, which is wear-resistant, corrosion-resistant and has strong oxidation resistance. An anti-detachment hook-type handle is provided at the tail as an anti-detachment protruding tail handle.

[0049] The utility model can quickly strip the cable, improve the work efficiency of the operators, the hand-held knife handle main frame is convenient for the operators to grasp and is equipped with an anti-slip function, the cable pulley can change the pulley position as needed, which is convenient for cutting the cable skin at multiple positions and angles, and can effectively prevent the insulation skin of the single-strand wire from being damaged and personal injury caused by the separation of the cable stripping knife and the cable, and by arranging a blade retractable device inside the knife holder, the blade can be contracted as needed, which can effectively prevent the blade from hurting people.

[0050] How it works

[0051] By rotating the two tool holder butterfly nuts 13, the long blade 24 can slide freely on the blade sliding groove 25, and the blade nut 23 is slid forward and backward to adjust the long blade 24 to the peeling position, and the two tool holder butterfly nuts 13 are rotated and tightened to lock the long blade 24. By rotating the pulley butterfly bolt 32, the position angle of the cable pulley 31 is adjusted, and the pulley butterfly bolt 32 is rotated and tightened to lock the cable pulley 31. The hand-held knife handle main frame 11 and the sliding tool holder 21 cooperate with the cable pulley 31 to enable the long blade 24 to cut the cable horizontally and vertically.

[0052] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A portable fast cable peeling knife, characterized by: The invention comprises a hand-held knife handle main frame (11), an adjustable cable pulley assembly and a telescopic blade assembly. The front end of the hand-held knife handle main frame (11) is provided with a connecting portion, the telescopic blade assembly is arranged on the connecting portion, the telescopic blade assembly comprises a long blade (24), the blade head of the long blade (24) is extended or retracted from the front end of the connecting portion, the connecting portion of the hand-held knife handle main frame (11) is connected to the adjustable cable pulley assembly, the adjustable cable pulley assembly comprises a cable pulley (31), the cable pulley (31) is arranged at the lower part of the front end of the long blade (24), and the position of the cable pulley (31) is adjustable.

2. A portable fast cable peeling knife according to claim 1, characterized in that: The telescopic blade assembly further comprises a sliding blade holder (21), a blade bolt (22), a blade nut (23) and two blade holder bolt assemblies. The sliding blade holder (21) is arranged at one side of the connecting portion of the hand-held blade handle main frame (11). A blade sliding groove (25) is arranged on the inner end surface of the connecting portion. The front end of the blade sliding groove (25) is open. The long blade (24) is embedded in the blade sliding groove (25). The long blade (24) is slidably connected in the blade sliding groove (25) along the length direction. The blade head of the long blade (24) is extended or retracted from the open end, a blade bolt (22) is vertically fixed to the rear side of the outer end surface of the long blade (24), a blade handle sliding groove (26) is opened on the end surface of the sliding blade holder (21), the blade bolt (22) is inserted into the blade handle sliding groove (26), a blade nut (23) is screwed on the outer end of the blade bolt (22), and the blade nut (23) is arranged on the outer side of the blade handle sliding groove (26), and the sliding blade holder (21) is connected to the connecting part by two blade holder bolt assemblies.

3. A portable fast cable peeling knife according to claim 2, characterized in that: The blade sliding groove (25) is arranged to be tilted downward from the back to the front, and the position of the blade handle sliding groove (26) matches the blade sliding groove (25).

4. A portable fast cable peeling knife according to claim 2, characterized in that: One tool holder bolt assembly is arranged at the upper part of the front end between the connecting part of the sliding tool holder (21) and the hand-held tool handle main frame (11), and the other tool holder bolt assembly is arranged at the lower part of the rear end between the connecting part of the sliding tool holder (21) and the hand-held tool handle main frame (11).

5. A portable fast cable peeling knife according to claim 4, characterized in that: The tool holder bolt assembly comprises a tool holder bolt (12) and a tool holder butterfly nut (13); the tool holder bolt (12) passes through the connecting portion between the sliding tool holder (21) and the hand-held tool handle main frame (11); and the tool holder butterfly nut (13) is threadedly connected to the end of the tool holder bolt (12).

6. The portable fast cable peeling knife according to claim 1, characterized in that: The adjustable cable pulley assembly also includes an S-bar (41) and a pulley butterfly bolt (32); the rear end of the S-bar (41) is fixedly connected to the other side of the connecting portion of the hand-held knife handle main frame (11) through the pulley butterfly bolt (32); and the front end of the S-bar (41) is rotationally connected to the cable pulley (31) through a connecting assembly.

7. A portable fast cable peeling knife according to claim 6, characterized in that: The cable pulley (31) is arranged at the lower part just in front of the long blade (24).

8. The portable fast cable peeling knife according to claim 6, characterized in that: The connecting assembly comprises a pulley bolt (33) and a pulley nut (34), wherein the pulley nut (34) is vertically fixed to the inner side of the front end of the S-bar (41), the pulley bolt (33) is inserted into the middle part of the cable pulley (31) and is rotationally connected to the cable pulley (31), and the end of the pulley bolt (33) is threadedly connected to the pulley nut (34).

9. The portable fast cable peeling knife according to claim 1, characterized in that: The rear end of the hand-held knife handle main frame (11) is provided with a hand-held portion, and the hand-held portion includes a plurality of curved sections with smooth transition connections.

10. The portable fast cable peeling knife according to claim 9, characterized in that: The end of the hand-held portion of the hand-held knife handle main frame (11) is provided with an anti-dropping protruding tail handle.

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