CN218678247U

CN218678247U - Cable stripping knife

Info

Publication number: CN218678247U
Application number: CN202222893954.2U
Authority: CN
Inventors: 甘茂林
Original assignee: Individual
Current assignee: Shaanxi Beijita Equipment Manufacturing Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-03-21
Anticipated expiration: 2032-11-01

Abstract

The application discloses cable stripping knife belongs to instrument technical field for the cable. The cable stripping knife comprises a knife body and a handle, wherein the front end of the knife body is of a hook-shaped structure, a cutting edge is arranged at the inner edge of the hook-shaped structure, the handle for holding a hand is arranged at the rear end of the knife body, a sliding cone is arranged at the bottom of the hook-shaped structure, one end, facing the cutting edge, of the sliding cone is conical, the sliding cone protrudes out of the cutting edge, and the bottom surface of the sliding cone is smooth. By adopting the cable stripping device, cables can be stripped longitudinally and radially, the cutting angle between the cutter body and the cables can be not considered, the cables can be stripped continuously without damaging conductors, training and experience are not needed, and the cable stripping device is easy to operate.

Description

Cable stripping knife

Technical Field

The application relates to the technical field of tools for cables, in particular to a cable stripping knife.

Background

In the power installation construction, the cable needs to be stripped.

Chinese utility model publication No. CN203504081U discloses a cable stripping knife, it mainly comprises blade main part and mated splint, the front end setting of blade main part is colluding the form, and the form department that colludes of this blade main part sets up to the cutting edge, mated splint clamp and put and fix the tail end at the blade main part. The blade of the cable stripping knife can strip the cable longitudinally very quickly, the cutting is accurate, and the force is easy to control; after longitudinal stripping, the radial stripping of the cable by utilizing the blade is more convenient.

As shown in fig. 1, when the cable stripping knife is used, the hook-shaped portion at the front end of the blade body is not convenient for longitudinally cutting the cable sheath, specifically, the sheath needs to be cut first, then the insulating layer is cut, so that the cable conductor is exposed, the process needs to always keep the tip of the hook-shaped portion continuously inserted below the sheath (or the insulating layer) and keep the tip of the hook-shaped portion not in contact with the conductor, since the hook-shaped portion is cut into the sheath (or the insulating layer), the conductor is easily cut, fig. 1 shows a preferred use angle of the cable stripping knife, the angle is too large, the tip of the hook-shaped portion cannot be continuously inserted into the bottom of the sheath (or the insulating layer), the angle is too small, and the cable stripping knife is not convenient to hold and is easy to cut the conductor.

The chinese utility model publication No. CN206806878U discloses a cable stripping knife;

chinese utility model publication No. CN201576904U discloses a special wire stripping knife for electric wires and cables, the two structures for cutting the cable sheath (or insulating layer) are hook-shaped, the same as the above problems.

Disclosure of Invention

The present application provides a cable stripping knife that overcomes at least one or more of the problems associated with the prior art.

The utility model provides a first aspect provides a cable stripping knife for cutting cable sheath or insulating layer and do not harm the conductor, be fit for vertical and radial wire stripping to the cable, this cable stripping knife includes cutter body and handle, and the cutter body front end is colluding the form, and the inner edge that should collude the column structure is equipped with the cutting edge, and the cutter body rear end is equipped with the handle that supplies the hand to hold, wherein: the bottom of the hook-shaped structure is provided with a sliding cone, one end of the sliding cone, facing the cutting edge, is conical, the sliding cone protrudes out of the cutting edge, and the bottom surface of the sliding cone is smooth.

The cable stripping knife provided by the embodiment of the application can be used for longitudinally and radially stripping cables, can continuously strip the cables without damaging conductors regardless of the cutting angle between the knife body and the cables, does not need training and experience, and is easy to operate.

In a possible implementation mode, the cutter body comprises a cutter head and a cutter body, the cutter head and the cutter body are arranged at an angle, the joint of the cutter head and the cutter body is in arc-shaped smooth transition, and the outer edge of the bottom of the cutter body is provided with a cutting edge. In this implementation, the tool bit becomes angle setting with the blade, becomes angle setting with the handle promptly, is the pulling cutting when cutting the cable, and traditional art designer sword need press the cutting of drawing, further avoids the cutting edge and the cable conductor contact of cutter body.

In a possible realization mode, the top of the cutter body is provided with a protective plate, and the protective plate is clamped on two sides of the cutter body and connected with the handle. In this implementation, the backplate is resin material, and the protection cutter body is difficult to be broken.

In a possible implementation mode, the sliding cone comprises a cone head and a cone body, the cone head protrudes out of the cutting edge, the two sides of the cone head are arc-shaped side arc surfaces which smoothly transition towards the cone body, the bottom of the cone head is arc-shaped positive arc surfaces which smoothly transition towards the cone body, and the bottom of the cone body is provided with a contact surface which slightly protrudes downwards. In the implementation mode, the arrangement of the positive cambered surface and the side cambered surface enables the sliding cone to be connected in series in different material layers of the cable more easily, and the contact area between the sliding cone and the different material layers is the minimum.

In one possible implementation, the cutting edge is arranged 5 to 30mm above the sliding cone. In the implementation mode, the positions of knife body edging are reduced, only the effective use area is edged, and the processing cost is reduced.

It should be noted that the above possible implementation manners may be combined without departing from the scope of the present invention.

Drawings

Fig. 1 is a diagram of the effect of the prior art.

Fig. 2 is a schematic structural diagram of a cable stripping knife provided in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of another angle of a cable stripping knife provided in an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a cable stripping knife body according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram of a sliding cone in a cable stripping knife provided by an embodiment of the present application.

Fig. 6 is a diagram illustrating the effect of a cable sheath cutting knife provided by an embodiment of the present application.

Detailed Description

The present application will now be described with reference to the accompanying drawings, which illustrate several embodiments of the present application. It should be understood, however, that the present application may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, the embodiments described below are intended to provide a more complete disclosure of the present application and to fully convey the scope of the present application to those skilled in the art. It is also to be understood that the embodiments disclosed herein can be combined in various ways to provide further additional embodiments.

It should be understood that like reference numerals refer to like elements throughout the several views. In the drawings, the size of some of the features may be varied for clarity. The terminology used in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. All terms (including technical and scientific terms) used in the specification have the same meaning as commonly understood by one of ordinary skill in the art, unless otherwise defined. Well-known functions or constructions may not be described in detail for brevity and/or clarity.

As used in this specification, the singular forms "a", "an" and "the" include plural referents unless the content clearly dictates otherwise. The terms "comprising," "including," and "containing" when used in this specification specify the presence of stated features, but do not preclude the presence or addition of one or more other features. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

In the description, when an element is referred to as being "on," "attached to," connected to, "coupled to," or "contacting" another element, etc., another element, it can be directly on, attached to, connected to, coupled to, or contacting the other element, or intervening elements may be present. In contrast, when an element is referred to as being "directly on," "directly attached to," directly connected to, "directly coupled to," or "directly contacting" another element, there are no intervening elements present.

As shown in fig. 1, when the cable stripping knife in the prior art is used, the hook-shaped portion at the front end of the blade body is not convenient to longitudinally cut the cable sheath 1, and usually the sheath 1 should be cut first, and then the insulation layer 2 should be cut, so that the cable conductor 3 is exposed, in this process, the tip of the hook-shaped portion needs to be continuously inserted below the sheath 1 (or the insulation layer 2) and kept from contacting with the conductor 3, because the hook-shaped portion is cut into the sheath 1 (or the insulation layer 2), the conductor 3 is easily cut, a preferred use angle of the cable stripping knife is shown in fig. 1, the cutting angle is too large, the tip of the hook-shaped portion cannot be continuously inserted into the bottom of the sheath 1 (or the insulation layer 2), and the cutting angle is too small, so that the cable stripping knife is not convenient to hold and easily cuts the conductor 3.

On one hand, an embodiment of the present application provides a cable stripping knife, which is used for cutting a cable sheath 1 or an insulating layer 2 without damaging a conductor 3, and is suitable for stripping cables longitudinally and radially, please refer to fig. 2 and fig. 3 together, fig. 2 and fig. 3 are schematic structural diagrams of the cable stripping knife, the cable stripping knife includes a knife body 10 and a handle 40, the front end of the knife body 10 is a hook-shaped structure, the inner edge of the hook-shaped structure is provided with a cutting edge 13, the rear end of the knife body 10 is provided with the handle 40 for holding by a hand, the bottom of the hook-shaped structure is welded with a sliding cone 20, one end of the sliding cone 20 facing the cutting edge 13 is tapered, and the bottom surface of the sliding cone 20 is smooth.

In a possible implementation manner, the cutter body 10 includes a cutter head 11 and a cutter body 12, as shown in fig. 4, the cutter head 11 and the cutter body 12 are vertically arranged, a joint of the two is in an arc shape and is in smooth transition, a cutting edge 13 is arranged on the outer edge of the bottom of the cutter body 10, the cutting edge width of the cutting edge 13 is 0.2 to 1.0mm, and the cutting edge width increases with the proportion of the cutter body 10.

Optionally, the included angle between the tool tip 11 and the tool body 12 is 120 degrees, 145 degrees, 60 degrees, and the like, but is not limited thereto.

In the specific implementation, the top of the cutter body 10 is provided with a protective plate 14, the protective plate 14 is clamped on both sides of the cutter body 10 and connected with the handle 40, and the protective plate 14 is made of resin material, so that the cutter body 10 is not easy to break.

In a possible implementation manner, the sliding cone 20 is 3mm wide and 8.5mm long, the cutting head 11 is 3mm thick, the cutting edge 13 is 0.2mm wide, and includes a cone head 21 and a cone body 22, as shown in fig. 5, the cone head 21 protrudes out of the cutting edge 13, the top of the cone body 22 is connected with the bottom of the cutting head 11, the arc-shaped side arc surface 212 on both sides of the cone head 21 smoothly transitions to the cone body 22, the arc-shaped positive arc surface 211 on the bottom of the cone head 21 smoothly transitions to the cone body 22, and the bottom of the cone body 22 is provided with a contact surface 221 which slightly protrudes downward.

Referring to fig. 4, the virtual cutting area 30 at the top of the sliding cone 20 is a main part of the blade 13 cutting the sheath 1 or the insulating layer 2, and the protruding front end of the sliding cone 20 hooks the sheath 1 or the insulating layer 2 and enables the cutting area 30 to be cut by the blade 13, so that the cutting angle of the cutter body 10 and the cable is not considered, the sliding cone 20 can continuously cut only after hooking the sheath 1 or the insulating layer 2, and the blade 13 does not damage the conductor 3, and a conventional cutting knife may directly cut through the sheath 1 and the insulating layer 2 to damage the conductor 3.

Optionally, the cutting edge 13 is arranged at a position 5 to 30mm above the sliding cone 20, other inner edge portions of the cutter body 10 may not be arranged, and the cable can be longitudinally and radially stripped only by using the cutting edge 13 in the cutting area 30.

Referring to fig. 6, fig. 6 is a usage effect diagram of the cable cutting knife of the present application for cutting the cable sheath 1, the tip of the sliding cone 20 is inserted between the sheath 1 and the insulating layer 2, in the process of pulling the knife body 10 to move along the cable longitudinal direction, the positive arc surface 211 enables the sliding cone 20 to be smoothly inserted between the sheath 1 and the insulating layer 2, the two side arc surfaces 212 enable the sliding cone 20 to move more easily in the cable longitudinal direction, the sliding cone 20 will press the sheath 1 and the insulating layer 2 to deform slightly, the sheath 1 is cut after contacting the cutting edge 13, but the cutting edge 13 cannot touch the insulating layer 2 (i.e. the portion that is not cut at this time) all the time, and only the contact surface 221 with a smooth surface contacts the insulating layer 2 (i.e. the portion that is not cut at this time), so as to avoid the cutting edge 13 from scratching the insulating layer 2 or the conductor 3.

Although exemplary embodiments of the present application have been described, it will be understood by those skilled in the art that various changes and modifications can be made to the exemplary embodiments of the present application without substantially departing from the spirit and scope of the present application. Accordingly, all changes and modifications are intended to be included within the scope of the present application as defined in the appended claims. The application is defined by the following claims, with equivalents of the claims to be included therein.

Claims

1. The utility model provides a cable wire stripping sword, is used for to cable vertically and radial wire stripping, and this cable wire stripping sword includes cutter body and handle, the cutter body front end is colluded the column structure, the inner edge that colludes the column structure is equipped with the cutting edge, and the cutter body rear end is equipped with the handle that supplies the hand to grip, and its characterized in that colludes the bottom of column structure and is equipped with the sliding cone, the sliding cone is the toper towards cutting edge one end, and the sliding cone is outstanding out the cutting edge, and the sliding cone bottom surface is level and smooth.

2. The cable stripping knife according to claim 1, wherein the knife body comprises a knife head and a knife body, the knife head and the knife body are arranged at an angle, and the joint of the knife head and the knife body is in arc smooth transition.

3. The cable stripping knife according to claim 1 or 2, wherein the top of the knife body is provided with a guard plate, and the guard plate is clamped on two sides of the knife body and connected with the handle.

4. The cable stripping knife according to claim 1, wherein the sliding cone comprises a cone head and a cone body, the cone head protrudes out of the knife edge, the arc-shaped side arc surfaces on two sides of the cone head smoothly transition towards the cone body, the arc-shaped positive arc surface at the bottom of the cone head smoothly transitions towards the cone body, and the bottom of the cone body is provided with a slightly downward convex contact surface.

5. The cable stripping knife according to claim 1, wherein the cutting edge is arranged 5 to 30mm above the sliding cone.