CN115173328B - Outer sheath semi-conductive layer strikes off and uses clamping device - Google Patents

Abstract

The invention discloses a clamping device for scraping an outer sheath semi-conducting layer, which comprises: the clamping and cutting part comprises a handle, an elastic hook body and a cutting piece, wherein the cutting piece is arranged on the handle, one side of the hook body facing the cable is taken as the inner side, the cutting piece is opposite to the inner part of the elastic hook body in a bending way, a guide piece is assembled in the elastic hook body and provides support for the cable, and a limited channel for receiving the cable is formed in the inner side of the guide piece; and an extracting portion engaged with the holding and cutting portion in a cable deep direction, a distal end thereof being closed by a locking plate including a cutting groove and an inner cavity thereof being left with a scraping cavity scraping away from an outer sheath of the cable, an inner wall of the cutting groove being in contact with an outer wall of a cable cutting portion. The structure can be directed against the cable model of current centre gripping, and nimble realization cable centre gripping direction, cable cutting and cable scrape from work to the oversheath semi-conducting layer of very big promotion cable strikes off reliability and strikes off efficiency.

Description

Outer sheath semi-conductive layer strikes off and uses clamping device

Technical Field

The invention relates to the technical field of scraping of an outer sheath semi-conducting layer, in particular to a clamping device for scraping the outer sheath semi-conducting layer.

Background

In repairing a damaged outer jacket of a cable, the semiconductive layer of the damaged outer jacket is first stripped, and to do so, an operator must use a tool to strip the end of the cable to remove the layer surrounding the center conductor (sometimes twisted) in preparation for connecting it to another cable and/or cable termination accessory. This has proven to be a relatively difficult task, particularly because the tools used by operators to strip cables are equipped with somewhat unsuitable cutters.

Such hand tools include a handle with a hook extending from an upper portion of the handle and being movable relative to the handle. The inward curve of the hook is opposite the upper surface of the handle and the cutting blade is disposed on the upper surface of the handle. The hook is normally biased towards the upper surface of the handle by a spring located inside the handle. The user can temporarily push the hook away from the upper surface of the handle, place the cable to be removed between the hook and the upper surface of the handle, and then release the hook to move the hook towards its rest position and in the process push the cable onto the cutting blade. The user may then move the tool along the cable.

The clamping device for scraping the semi-conducting layer of the outer sheath is provided for solving the problem that an operator is required to scrape off the outer sheath of the cable little by little due to the fact that the operator scrapes off the semi-conducting layer of the outer sheath for about 2 hours.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the clamping device for scraping the semi-conducting layer of the outer sheath, which has a reasonable structure and is reliable and convenient to use, and can flexibly realize the work of clamping and guiding a cable, cutting the cable and scraping the cable according to the type of the cable clamped at present so as to greatly improve the scraping reliability and efficiency of the semi-conducting layer of the outer sheath of the cable.

In order to achieve the above object, the present invention provides a clamping device for scraping off an outer sheath semiconductor layer, comprising:

the clamping and cutting part comprises a handle, an elastic hook body and a cutting piece, wherein the cutting piece is arranged on the handle, one side of the hook body facing the cable is taken as the inner side, the cutting piece is opposite to the inner part of the elastic hook body in a bending way, a guide piece is assembled in the elastic hook body and provides support for the cable, and a limited channel for receiving the cable is formed in the inner side of the guide piece;

and an extracting portion engaged with the holding and cutting portion in a cable deep direction, a distal end thereof being closed by a locking plate including a cutting groove and an inner cavity thereof being left with a scraping cavity scraping away from an outer sheath of the cable, an inner wall of the cutting groove being in contact with an outer wall of a cable cutting portion.

The structure can be directed against the cable model of current centre gripping, and nimble realization cable centre gripping direction, cable cutting and cable scrape from work to the oversheath semi-conducting layer of very big promotion cable strikes off reliability and strikes off efficiency.

As a further optimization of the scheme, the extraction part with the centre gripping cutting part is sliding joint, makes the extraction part, promptly the extraction part can be after cutting groove card income cable cutting department, through drawing the action outward, realize scraping away from the work of cutting back cable oversheath, and the cooperation easily grabs the handle structure, can realize extracting the quick outer drawing of part, easily realizes the swift separation of cable oversheath.

As a further optimization of the solution, a push rod is mounted in the scraping chamber such that the push rod extends flush with the proximal end of the scraping chamber and is configured to push the cable against the notch of the cutting groove, the push rod constituting a push portion for pressing the cable against the cutting groove, whereby the outer sheath semi-conductive layer of the cable to be removed remains in the scraping chamber due to the fact that the cross section of the cutting groove is smaller than the cross section of the cable, enabling scraping work of the outer sheath semi-conductive layer of the cable.

As a further optimization of the scheme, the flat cable is widely used in homes in various places, in the process of home wiring, an electrician mostly needs to remove the outer sheath of the flat cable to contact with internal wiring, while the existing cable stripping tool is mostly used for a round cable structure, in this embodiment, the limited channel is flat, so as to achieve the purpose of the invention for the use of the flat cable, and therefore, the flat cable cannot be twisted or pushed away from the cutting blade when pushed against the cutting blade in use. Ideally, when the flat cable being supported by the guide member is pushed toward the cutting blade in use, the guide member prevents the flat cable from being displaced by the cutting blade to ensure that the cutting blade cuts into the flat cable accurately.

As a further refinement of the solution, a decoupling structure is placed on the hook engaging surface to secure the guide to the hook body, in particular, the guide in this structure is fitted between the hook body and the cutting blade, so that the operator can add or remove the guide on the hook body as desired.

As a further refinement of the solution, the disconnecting structure comprises a magnet on the hook engaging surface, which may be a plurality of magnets, since the hook body is usually made from a magnetic material, so that the magnet on the guide element can attract the guide element to the hook body, the hook engaging surface extending with mutually opposite flanges extending in the direction of the length of the hook engaging surface, the channel formed by the two mutually opposite flanges constituting the orientation structure of the hook body, which facilitates the accurate fitting of the guide element to the hook body by the operator.

As a further optimization of the solution, the flange is arranged along a part of the length of the hook engaging surface, and it need not extend to the entire length of the hook engaging surface. The shape of the flange may also be varied as desired. In the illustrated embodiment, the flanges have a generally rectangular cross-section, but any shape or size of raised surface will provide some resistance to lateral movement of the guide when placed on the hook body, and the shape and size of the flanges need not be the same. The mutually opposing flanges are provided with a gap to accommodate the width of the hook body to limit movement of the guide relative to the hook body in at least one direction.

As a further optimization of the solution, the locking plate is detachably arranged on the scraped cavity, in this embodiment the locking plate adopts a flange structure for the purpose of being detachably fixed on the end surface of the scraped cavity, in one example the locking plate is arranged at the distal end forming the distal end of the scraped cavity, in this example the distal flange has a substantially circular cross section (the cross section is perpendicular to the central axis of the scraped cavity), and the distal flange is arranged on the common central line of the scraped cavity.

As a further optimization of the solution, a pushing cylinder is installed outside the scraping chamber and a push rod is disposed at an output end of the pushing cylinder, the pushing cylinder may be pneumatic or hydraulic, and preferably, the pushing cylinder is pneumatic in this embodiment.

The clamping device for scraping the outer sheath semi-conducting layer has the following beneficial effects:

1) On the basis of the manual tool structure of current cable skinning, the utility model provides a guide with centre gripping direction function and possess the part of drawing that strikes off the function to the diameter to current centre gripping cable, and convenient, flexible activation, high-efficient strike off cable sheath semi-conducting layer.

Specifically, the user moves the hook toward the cutting blade, causing the cutting blade to cut into the cable, and then the user slides the handle in a direction perpendicular to the direction of cable penetration or cuts the cable across the cutting blade to create a cut perpendicular to the direction of flat cable penetration. Draw outward and possess notched cable, then let the cutting department of cutting cut groove embedding cable, the cable part embedding that the messenger was waited to scrape leaves the chamber, slide and scrape the chamber, pull out the cable or through the mode that the push rod bulldozed, owing to cut groove's cross section is less than the cross section of cable, thereby realize the concentric skin of the cable that will be removed, or the oversheath semiconductor layer of cable and cable completion separation work, the cable consequently realizes the direction with simple and effectual mode, cutting and scraping work.

2) The extracting part with centre gripping cutting part is sliding connection, makes the extracting part, promptly the extracting part can be cut the groove card and go into behind the cable cutting department, through drawing the action outward, realizes scraping of cutting back cable oversheath from work, and the handle structure of easily gripping is collocated, can realize the quick of extracting part and draw outward, easily realizes the swift separation of cable oversheath.

3) The push rod is installed in the scraping cavity so that the push rod extends flush with the near end of the scraping cavity, the push rod is configured to push the cable to press the cable on the notch on the flange, the push rod forms a pushing part capable of achieving the purpose of pressing the cable on the cutting groove, so that the outer sheath semi-conducting layer of the cable to be removed is left in the scraping cavity due to the fact that the cross section of the cutting groove is smaller than that of the cable, and scraping work of the outer sheath semi-conducting layer of the cable is achieved.

4) The limiting channel is flat in this embodiment to achieve the purpose of the invention for flat cable use, so that the flat cable is not twisted or pushed away from the cutting blade when pushed against the cutting blade in use. Ideally, in use, when the flat cable being supported by the guide member is pushed toward the cutting blade, the guide member prevents the flat cable from being displaced by the cutting blade to ensure accurate cutting of the cutting blade into the flat cable.

5) The detachment structure is disposed on the hook engaging surface to secure the guide to the hook body, and in particular, the guide in this structure is disposed between the hook body and the cutting blade so that the operator can add or remove the guide from the hook body as desired.

6) The flange is disposed along a portion of the length of the hook engaging surface and it need not extend the entire length of the hook engaging surface. The shape of the flange may also be varied as desired. In the illustrated embodiment, the flanges have a generally rectangular cross-section, but any shape or size of raised surface will provide some resistance to lateral movement of the guide when placed on the hook body, and the shape and size of the flanges need not be the same. The mutually opposing flanges are provided with a gap to accommodate the width of the hook body to limit movement of the guide relative to the hook body in at least one direction.

There have been disclosed in detail certain embodiments of the invention with reference to the following description and drawings, and it is to be understood that the embodiments of the invention are not limited thereby, but are intended to cover within the spirit and scope of the appended claims, many changes, modifications, and equivalents.

Drawings

Fig. 1 is a schematic view showing an overall configuration of a holding device for scraping off an outer sheath semiconductor layer;

fig. 2 is an isometric view of a holding device for scraping off an outer sheath semiconductor layer;

FIG. 3 is a schematic side view showing a holding device for scraping off an outer sheath semiconductor layer;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of the overall structure of the handle of the present invention;

FIG. 6 is a schematic view showing the overall structure of the circular hole-shaped guide member according to the present invention;

FIG. 7 is a schematic view of the flat hole guide of the present invention;

fig. 8 is a schematic view showing the operation of the wire scraping method based on the holding device for scraping the outer sheath semiconductive layer according to the present invention.

In the figure: 1. a handle; 2. an elastic hook body; 3. cutting the slices; 4. a guide member; 5. a magnet; 6. a flange; 7. a locking plate; 8. a scraping cavity; 9. a push rod; 11. a nut seat; 21. connecting sheets; 41. defining a channel; 42. a hook-shaped engagement surface; 71. cutting the groove; 81. an opening; 91. an outer cover; 92. a pushing cylinder; 421. and (4) fixing the port.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by the embodiments in the drawings. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.

It should be noted that when an element is referred to as being "disposed on," or provided with "another element, it can be directly on the other element or intervening elements may also be present, when an element is referred to as being" connected, "or coupled to another element, it can be directly on the other element or intervening elements may be present, and" fixedly coupled "means that the element is fixedly coupled in many ways, which are not intended to be within the scope of the present disclosure, the terms" vertical, "" horizontal, "" left, "" right, "and the like are used herein for illustrative purposes only and are not intended to be a single embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items;

for cables cut in accordance with the present invention including, but not limited to, high voltage (higher than 35 KV) power transmission cables, medium voltage (higher than 3.6KV and lower than 35 KV) power transmission cables, and low voltage (lower than 1.8 KV) power transmission cables, in particular, the cable cutting in accordance with the present invention is used in some embodiments to cut off only the grip-guiding, cutting and scraping work of the cable outer sheath semiconductive layer.

Referring to fig. 1 to 8 of the drawings, a first embodiment of a holding device for scraping off an outer sheath semiconductor layer, the first embodiment comprising:

the clamping and cutting part comprises a handle 1, an elastic hook body 2 and a cutting blade 3, wherein the cutting blade 3 is arranged on the handle 1, one side of the elastic hook body 2 facing the cable is taken as the inner side, the cutting blade 3 is opposite to the inner part of the elastic hook body 2 in a bending way, a guide part 4 is assembled in the elastic hook body 2 and provides support for the cable, and a limited channel 41 for receiving the cable is formed in the inner side of the guide part 4;

as shown in fig. 5, in the case of the handle 1, the handle 1 is in the form of a long arm and is easy to hold, the handle 1 provides a housing for one end portion of the connecting piece 21, so that the connecting piece 21 can perform an extending action or a retracting action from the handle 1, the elastic hook body 2 is disposed at the other end of the connecting piece 21, the elastic hook body 2 is biased to a rest state by a spring which is disposed on a portion (not shown) of the connecting piece 21 which is attached to the inside of the handle 1, and a user can move the elastic hook body 2 away from the cutting blade 3 to widen a gap between the elastic hook body 2 and the cutting blade 3, thereby providing a gap sufficient for cutting of the cable, and of course, the operator can release the spring to move the elastic hook body 2 and the cable toward the cutting blade 3.

Further, combine fig. 5, for cutting piece 3 possesses two kinds of structures of fixed and regulation formula, in regulation formula structure, can adopt screw rod nut seat structure to realize the lift of cutting piece 3, and is concrete, the rotatable 1 inner chamber of embedding handle of nut seat 11 part and the screw rod is whole to be located 1 inner chamber of handle, cutting piece 3 is arranged in the screw rod top, through rotatory nut seat 11, under screw-thread fit's effect, the screw rod goes up and down to drive cutting piece 3 and goes up and down.

It should be noted that the cutting blade 3 is generally a blade, but a cutting structure such as a glass sheet may be used.

As for the guide 4, the guide 4 is configured to fit within the inner curvature of the elastic hook body 2.

Further, the guide member 4 may be formed by a mold, and the guide member 4 may be made of a solid material, and in particular, the guide member 4 may be made of a polymer material.

In connection with fig. 7, considering the non-circular configuration of the flat cable wires, in some embodiments, the limiting channel 41 is flat, i.e. the guide 4 provides support for three sides of the flat cable, which includes two cases, two short sides and one long side of the flat cable, two long sides and one short side of the flat cable, in which configuration the limiting channel 41 is shaped as a flat channel having an elongated cross section.

Further, referring to fig. 6 and 7, the guide member 4 further has a hook engaging surface 42 on which the guide member 4 is fixed to the elastic hook body 2 by a detaching structure placed to the hook engaging surface to prevent the guide member 4 from moving relative to the grip cut portion in use, and the detaching structure for fixing the guide member 4 to the elastic hook body 2 can temporarily fix the guide member 4 to the elastic hook body 2 so that the user can add or remove the guide member 4 according to actual needs, and particularly, the means for fixing the guide member 4 to the elastic hook body 2 includes a magnet 5, the magnet 5 being located on the hook engaging surface.

Further, the elastic hook body 2 is made of a metal material which is easy to be attracted by a magnet.

Further, the hook engagement surface has a fixing hole 421 for receiving the magnet 5, the magnet 5 is fixed in the fixing hole 421, it is preferable that the magnet 5 is exposed on the hook engagement surface, the magnet 5 may have a circular, oval or polygonal interface, the present invention does not limit the shape of the magnet 5,

further, the arrangement for securing the guide 4 to the resilient hook body 2 also includes a portion of the guide 4 extending over the hook engaging surface to define a retaining groove that can receive the resilient hook body 2. In some embodiments, the attaching and detaching structure for securing the guide 4 to the resilient hook body 2 further comprises a flange 6 extending from the hook engaging surface. In particular, the flange 6 extends from one transverse end of the elastic hook body 2 to the hook engagement surface and in a direction perpendicular to the plane of the hook engagement surface. In particular, the guide 4 comprises mutually opposite flanges 6. Mutually opposed flanges 6 each extend from opposite lateral ends of the hook engaging surface. The mutually opposing flanges 6 are spaced apart a distance to accommodate the width of the elastic hook body 2. The mutually opposing flanges 6 prevent the guide 4 from moving laterally when connected to the elastic hook body 2. In the embodiment shown, the flange 6 extends along both flat surfaces over the entire length of the hook engaging surface. Such variations would be obvious to one skilled in the art, but are not limited thereto. For example, there may be only one flange 6, but the movement of the elastic hook body 2 is not restricted as much as the flanges 6 opposite to each other.

Further, the flange 6 need not be continuous, but may be discontinuous, and it need not extend the entire length of the hook engaging surface. The shape of the flange 6 may also be varied as desired. In the embodiment shown, the flanges 6 have a substantially rectangular cross-section, but any shape or size of convex surface will provide some resistance to lateral movement of the guide 4 when the guide 4 is placed on the elastic hook body 2, and the shape and size of the flanges 6 need not be the same.

In some embodiments, the detachment structure for securing the guide 4 to the resilient hook body 2 includes a flange 6 extending from the hook engagement surface along its width at or near a longitudinal end of the hook engagement surface. This further limits the movement of the guide 4 in at least one direction when positioned on the elastic hook body 2. The structure is one possible way of mounting the flange 6.

An extracting portion engaged with the holding and cutting portion in the cable deep direction, a distal end thereof being closed by a locking plate 7 including a cutting groove 71 while leaving a scraping chamber 8 in an inner chamber thereof for scraping away an outer sheath of the cable, an inner wall of the cutting groove 71 being in contact with an outer wall of a cable cutting place.

Further, the cutting groove 71 functions in this example as a scraper for scraping off the outer jacket semiconductor layer of the cable.

Further, in conjunction with fig. 1-4, the scraping chamber 8 in this embodiment is a straight cylindrical structure conforming to the shape of a cable, and in one example, the scraping chamber 8 is further opened 81 over its entire length, the opening 81 is only on its cylindrical surface, typically, the opening is between 90 ° and 200 °, and preferably, the opening 81 is selected to be 180 °, so that the scraping chamber 8 is a semi-cylindrical structure.

Further, the stripped cable sheath semiconductor layer can be taken out through the opening 81.

Further, in conjunction with fig. 1-4, in the present embodiment, the locking plate 7 is of a flange structure for the purpose of being removably fixed to the end surface of the scraping chamber 8, and in one example, the locking plate 7 is disposed at a distal end to form the distal end of the scraping chamber 8, and in this example, the distal flange has a substantially circular cross section (the cross section is perpendicular to the central axis of the scraping chamber 8), and the distal flange is disposed to share a central line with the scraping chamber 8.

Further, since the locking plate adopts a detachable flange structure so that the distal flange can be easily replaced with another distal flange having a different-sized cutting groove 71 therein, the extracting portion of the present invention can scrape off different-sized cables and/or scrape off one same cable to different thicknesses according to the extracting portion.

Further, the distal flange is fastened to the end face of the scraping chamber 8 by bolts or screws, which allows the distal flange to be replaced on-line in the field.

Further, the width of the cutting groove 71 is substantially equal to the diameter of the cable core to be held.

Further, in one example, the diameter of the distal flange is larger than the diameter of the scraping chamber 8, so that part of the distal flange protrudes outwards and forms an easily-gripped protruding structure, and the whole scraping chamber 8 forms an easily-gripped gripping structure.

Further, in one example, a handle or the like may be attached to the outer circumferential surface of the scraping chamber 8 to facilitate gripping.

Further, in an example, the proximal end of the scraping cavity 8 is provided with a blocking portion, preferably, in this example, the blocking portion is of a flange structure, so as to be easily detached, and of course, the proximal end of the scraping cavity 8 may also be normally open, that is, the proximal end is not blocked.

Referring to fig. 1-4, the extraction section has two usage modes:

in a first usage, referring to fig. 1-2 in particular, the extracting portion and the clamping and cutting portion are in sliding engagement, so that the extracting portion, that is, the extracting portion can be clamped into a cable cutting position in the cutting groove 71, and then the outer sheath of the cable after cutting is scraped away by pulling out, and the outer sheath of the cable can be pulled away quickly by matching with the grip structure which is easy to grasp, so that the outer sheath of the cable can be separated quickly and easily.

In a second mode of use, and with particular reference to fig. 1-5, the extraction portion and the clamping and cutting portion may be in sliding engagement or in fixed engagement, the push rod 9 being mounted in the scraping chamber 8 such that the push rod 9 extends flush with the proximal end of the scraping chamber 8, and the push rod 9 being configured to push the cable against the notch of the cutting slot 71.

Further, the push rod 9 is dimensioned so as not to interfere with the structure in which the outer sheath of the cable to be retained is torn.

In an example, particularly referring to fig. 3 and 4, if the push rod 9 adopts a manual push rod structure, an outer cover 91 with a diameter larger than that of the push rod 9 is arranged at the outer end of the push rod 9, and the outer cover 91 is used for preventing the push rod 9 from completely scraping deeply from the cavity 8; on the other hand, the outer cover 91 can be provided with anti-slip lines, so that the pressing of an operator is facilitated.

Further, the outer cover 91 and the push rod 9 are designed to be in a thread fit structure, so that the outer cover 91 and the push rod are easy to disassemble and assemble, thereby being easy to replace the outer cover 91 with different sizes, and the replacement action can be directly carried out on site.

In one example, an inner cover is additionally arranged at the inner end of the push rod 9, the inner cover is detachably configured, such as threaded connection or magnetic connection, so that the inner cover can be used for accommodating cable cores with different sizes, and the practical value is higher.

Preferably, the inner cap has a flat pushing surface, and the push rod pushes the cable to be scraped by the pushing surface.

Further, the surface area of the pushing surface of the inner cover is smaller than or equal to the cross-sectional area of the cable inner core required to be reserved in use.

In one example, referring in particular to fig. 1 and 2, if the push rod 9 is of an automatic type, and the power for pushing the push rod 9 is non-manual, it is preferable that the push rod 9 is a push cylinder 92 installed outside the scraping chamber 8 and the push rod 9 is disposed at the output end of the push cylinder 92.

Preferably, the push rod 9 forms for example a part of a push cylinder 92, the body of which is fixed inside the scraping chamber 8, in which case the push rod 9 is arranged at the proximal end of the scraping chamber 8, for example in the scraping chamber 8 provided with a blocking portion, near the blocking portion, after which the push rod 9 passes through the blocking portion so as to be able to slide in the scraping chamber 8, while the push cylinder 92 extends horizontally along the central axis of the scraping chamber 8 and the push cylinder 92 is solidly connected to the scraping chamber 8.

The pushing cylinder 92 may be pneumatic or hydraulic, and preferably, the pushing cylinder 92 is pneumatic in this embodiment.

Advantageously, the holding device for scraping off the outer sheath semiconductor layer is not required to be used by being laid on a support and is easy to carry.

The invention is of course not limited to the described embodiments and variations may be made thereto without departing from the scope of the invention as defined by the claims.

For example, the push rod 9 is a threaded rod to perform pushing in a spiral motion, and therefore, the push rod 9 may be different from the illustrated form, such as having a spiral portion.

The cutting groove 71 may have a cutting contour, for example, the cutting groove 71 has a cutting contour on the whole contour, the cutting contour is a flat cutting blade 3 and/or a saw-tooth cutting blade 3, so that the cutting groove 71 can better go deep into the cutting position of the cable, of course, the cutting contour may be configured such that a part of the contour is smooth, and the rest is cut.

Referring to fig. 8, the present embodiment provides a wire scraping method based on a clamping device for scraping off an outer sheath semiconductive layer, in which fig. 8 a cable to be scraped is denoted by reference character α, the wire scraping method including the steps of:

s1, assembling a tool; the user mounts the guide 4 with the extraction portion on the elastic hook body 2, in particular in the inner curve of the elastic hook body 2;

s2, placing a cable; the user places the cable on the guide 4, supporting the cable with the guide 4;

s3, guiding and cutting the cable based on the clamping and cutting part; the user moves the hook body toward the cutting blade 3 to cut the cutting blade 3 into the cable, and then the user slides the handle 1 in a direction perpendicular to the cable insertion direction or cuts the cable across the cutting blade 3 to create a cut perpendicular to the flat cable insertion direction.

Specifically, the user places the guide 4 at the internal bend of the hook body by means of the magnet with the guide 4, and then the operator places a length of cable in the limit passage of the guide 4, if the resting state of the elastic hook body 2 is biased towards the cutting blade 3, the operator needs to push the elastic hook body 2 away from the cutting blade 3 to place the cable in cooperation with the guide 4, and then the operator can push the cable into the guide 4 to support the cable by the guide 4, abutting against the cutting blade 3 by releasing the force on the elastic hook body 2, so as to allow the elastic hook body 2 to return to the resting position where the cable is pressed against the cutting blade 3 and cut by the cutting blade 3.

For the notch in step S3, the depth is selected according to actual requirements, and the length of scraping is selected according to the required length.

In this step S3, the operator can take out the guide 4 and the cable if necessary, and in more detail, the guide 4 is used alone as one component without using the elastic hook 2.

S4, scraping off the cable based on the extracted part; draw outward and possess the notched cable, then let cut groove 71 imbed the cutting department of cable, make the partial embedding of cable that waits to scrape away from chamber 8, scrape away chamber 8, pull out the cable or through the mode that push rod 9 bulldozed through sliding, because cut groove 71's cross section is less than the cross section of cable to the realization will be removed the concentric skin of cable, in other words, the separation work is accomplished with the cable to the oversheath semiconductor layer of cable promptly, the cable consequently realizes direction, cutting and scraping away the work with simple and effectual mode.

The method is simple and quick to use and safe for operators, and the guiding, cutting and scraping work of a single cable is realized by the wire scraping method based on the clamping device for scraping the semi-conducting layer of the outer sheath, so that the operators can recover and take out the complete outer sheath of the cable through the scraping cavity, and the recovery and later-period utilization of the operators are easy.

To sum up, on the basis of current cable hand tool structure of skinning, the utility model provides a guide 4 with centre gripping direction function and possess the part of drawing that strikes off the function to the diameter to current centre gripping cable, and convenient, flexible, high-efficient cable sheath semi-conductive layer strikes off.

Specifically, the user moves the elastic hook body 2 toward the cutting blade 3 to cut the cutting blade 3 into the cable, and then the user slides the handle 1 in a direction perpendicular to the cable deep direction or cuts the cable across the cutting blade 3 to produce a cut perpendicular to the flat cable deep direction. Draw outward and possess notched cable, then let cut groove 71 imbed the cutting department of cable, the cable part embedding that the messenger waited to scrape off scrapes from chamber 8, slide and scrape from chamber 8, pull out the cable or through the mode that the push rod bulldozed, because cut groove 71's cross section is less than the cross section of cable, thereby realize the concentric skin of the cable that will be removed, or the oversheath semiconductor layer of cable and cable completion separation work, the cable consequently realizes with simple and effectual mode that the direction is cut and scrapes from the work.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention except for the reliability and scraping efficiency.

Claims (5)

1. A clamping device for scraping off an outer sheath semi-conductive layer is characterized by comprising:

the clamping and cutting part comprises a handle, an elastic hook body and a cutting piece, wherein the cutting piece is arranged on the handle, one side of the hook body facing the cable is taken as the inner side, the cutting piece is opposite to the inner part of the elastic hook body in a bending way, a guide piece is assembled in the elastic hook body and provides support for the cable, and a limited channel for receiving the cable is formed in the inner side of the guide piece;

an extracting portion which is engaged with the holding cutting portion in a cable deep direction, a distal end of which is closed by a locking plate including a cutting groove and an inner cavity of which is left with a scraping cavity scraping away from an outer sheath of the cable, an inner wall of the cutting groove being in contact with an outer wall of a cable cutting place;

the extraction portion is in sliding engagement with the clamp cutting portion to allow extraction;

the push rod is installed in the scraping cavity so that the push rod extends flush with the near end of the scraping cavity, and the push rod is configured to push the cable to press the cable on the notch of the cutting groove;

the limiting channel is flat;

the detachment structure is disposed on the hook engaging surface to secure the guide to the hook body;

the detachment structure includes a magnet on the hook engaging surface, mutually opposed flanges extending along the hook engaging surface, the flanges extending along a length of the hook engaging surface.

2. The clamping device for scraping off an outer sheath semiconductor layer as claimed in claim 1, wherein: the flange is disposed along a portion of the length of the hook engaging surface.

3. The clamping device for scraping off an outer sheath semiconductor layer as claimed in claim 2, wherein: the mutually opposing flanges are provided with a gap to accommodate the width of the hook body to limit movement of the guide relative to the hook body in at least one direction.

4. The clamping device for scraping off an outer sheath semiconductor layer as claimed in claim 3, wherein: the locking plate is detachably arranged on the scraping cavity.

5. The clamping device for scraping off the outer sheath semiconductor layer as claimed in claim 4, wherein: the pushing cylinder is installed outside the scraping cavity, and the push rod is arranged at the output end of the pushing cylinder.

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