CN207977674U - Hand-held wire stripper - Google Patents

Abstract

The utility model discloses a kind of hand-held wire strippers, including：Hand-held seat, knife rest, upper cutter and lower cutter, there is driving push rod on the hand-held seat, the knife rest is fixedly installed in the hand-held seat and limits mobile space, the upper cutter is fixedly installed in the knife rest and the top positioned at the mobile space, the bottom center of the upper cutter has upper core avoid holes, the lower cutter be movably installed in the knife rest and the mobile space can upper and lower translation, the center of top of the lower cutter has lower core avoid holes, the lower cutter is connected with the driving push rod to be moved up and down with being realized by driving push rod driving, when the lower cutter, which is moved to, closes knife with the upper cutter, the upper core avoid holes are with the lower core avoid holes to being combined into core avoid holes.Hand-held wire stripper according to the present utility model, simple in structure, easy to process and production, control is simple, and labor intensity is low, and wire stripping is efficient.

Description

Hand-held wire stripper

Technical field

The utility model is related to transmission line of electricity stringing technical fields, more particularly, to a kind of hand-held wire stripper.

Background technology

In transmission line of electricity Poling Construction, conductor compression jointing includes the crimping of strain insulator pipe, splicing sleeve docking crimping, according to crimping work Skill requirement, needs steel-cored aluminium strand to be handled before crimping, and junction portion need to divest outer layer aluminum stranded conductor, reserves steel core.With spy The propulsion of high-voltage fence construction, quadripartion, six divisions, eight division overhead construction process are continuously improved, conductor compression jointing workload, Task amount is significantly increased.

Conducting wire punck-down block in the related technology is mainly small hacksaw, manually wire stripper, manually wire stripper mainly by One holding wire installation, subsidiary cutter track cut a circle and manually adjust the depth of cut, need continuous rotary cutter, and manually The depth of cut is adjusted, not easy to operate, labor intensity is big.Especially in extra-high voltage grid construction project, transmission line wire outer diameter It continues to increase, main traverse section reaches 1000mm at present²、1250mm²、1660mm², diameter of wire is big, and single cord diameter is close 5mm, manual wire stripper wire stripping, manipulator's labor intensity is big, low construction efficiency, especially in working at height, to conductor compression jointing The processing of head is more difficult, and conductor compression jointing, docking construction efficiency is caused seriously to be restricted.In addition, also having one in the related technology A little machinery, hydraulic pressure, electronic wire strippers, there are operating procedure complexity, precision is low, is easy the problems such as cut wound steel core, is not suitable for applying It promotes at work scene.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model exists In proposing a kind of hand-held wire stripper, the structure of the hand-held wire stripper is simple, easy to process and production, small, light-weight.

Hand-held wire stripper according to the present utility model, including：Seat is held, there is driving push rod on the hand-held seat；Knife rest, The knife rest is fixedly installed in the hand-held seat and limits mobile space；Upper cutter, the upper cutter are fixedly installed in described The bottom center of knife rest and the top for being located at the mobile space, the upper cutter has upper core avoid holes；Lower cutter, it is described Lower cutter be movably installed in the knife rest and in the mobile space can upper and lower translation, the center of top of the lower cutter has Lower core avoid holes, the lower cutter is connected with the driving push rod to be moved up and down with being realized by driving push rod driving, when When the lower cutter is moved to upper cutter conjunction knife, the upper core avoid holes are with the lower core avoid holes to being combined into line Core avoid holes.

Hand-held wire stripper according to the present utility model, simple in structure, easy to process and production, small, light-weight, control Simply, labor intensity is low, and wire stripping is efficient.

In some embodiments, the upper cutter and the lower cutter are single side sword cutter.

In some embodiments, the blade surface of the upper cutter and the lower cutter is broken line face.

In some embodiments, the bottom both ends of the upper cutter and the top both ends of the lower cutter all have non-blade port Portion, when the upper cutter and lower cutter conjunction knife, the non-blade port portion of the upper cutter and the non-blade port portion of the lower cutter Contact, the cutting edge of the upper cutter and the cutting edge radius of the lower cutter coordinate.

In some embodiments, the hand-held wire stripper further includes：Wire ferrule is embraced, described armful of wire ferrule is horizontally disposed and with upper There is on the knife rest upper slipping part, the upper slipping part can slippingly coordinate on described up and down for slippage slot and lower slippage slot In slippage slot, to make the knife rest is relatively described to embrace line while limiting the knife rest axial displacement for embracing wire ferrule relatively Hoop can upper and lower translation, there is on the lower cutter lower slipping part, the lower slipping part can slippingly coordinate up and down in the downslide It moves in slot, to make the lower cutter is relatively described to embrace while limiting the lower cutter axial displacement for embracing wire ferrule relatively Wire ferrule can upper and lower translation.

In some embodiments, there is annular groove, the top shape of the annular groove on the periphery wall of described armful of wire ferrule As the upper slippage slot, the lower part of the annular groove is formed as the lower slippage slot.

In some embodiments, the hand-held wire stripper further includes：Wire ferrule is embraced, described armful of wire ferrule includes：It is openable and closable outer Circle and openable and closable inner ring, the inner ring are different multiple in aperture, and soft material layer is equipped on the inner ring surface of each inner ring And each inner ring is detachably mounted in the outer ring.

In some embodiments, there is rotary scale or rotary extension scale on described armful of wire ferrule.

In some embodiments, the knife rest includes：Lower slide, the lower slide are fixedly installed in the hand-held seat；On Knife rest, the upper tool post are articulated with the lower slide with pivotable between open and closed positions, in the upper tool post When being switched to the closed position, the upper tool post is with the lower slide to risking the mobile space；Lock piece, the locking Part is articulated with the lower slide and coordinates with the upper tool post locking when the upper tool post is switched to the closed position.

In some embodiments, the junction of the lock piece and the lower slide has dynamic clamping head and quiet clamping head, the elasticity Return unit drives the lock piece often in the state coordinated with the upper tool post locking.

The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description In become apparent, or recognized by the practice of the utility model.

Description of the drawings

Fig. 1 is the cooperation figure of the hand-held wire stripper and conducting wire according to the utility model embodiment；

Fig. 2 is the wire stripping state diagram that wire stripper is held shown in Fig. 1；

Fig. 3 is the dismounting state diagram that wire stripper is held shown in Fig. 1；

Fig. 4 is the side view that wire stripper is held shown in Fig. 1；

Fig. 5 is the explosive view that wire stripper is held shown in Fig. 1；

Fig. 6 is the side view of upper tool post shown in Fig. 5；

Fig. 7 is the rearview of upper tool post shown in Fig. 5；

Fig. 8 is the sectional view of upper cutter shown in Fig. 5；

Fig. 9 is the sectional view of lower cutter shown in Fig. 5；

Figure 10-Figure 13 is the installation process figure that wire ferrule is embraced shown in Fig. 4；

Figure 14-Figure 15 is the use procedure chart according to the rotary scale of the utility model embodiment；

Figure 16-Figure 18 is the use procedure chart according to the rotary extension scale of the utility model embodiment.

Specific implementation mode

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

Following disclosure provides many different embodiments or example is used for realizing the different structure of the utility model.For The disclosure of simplified the utility model, is hereinafter described the component of specific examples and setting.Certainly, they are only and show Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals And/or letter.This repetition is for purposes of simplicity and clarity, itself not indicate discussed various embodiments and/or set Relationship between setting.In addition, the example for the various specific techniques and material that the utility model provides, but this field is common Technical staff can be appreciated that the applicable property of other techniques and/or the use of other materials.

Below with reference to Fig. 1-Figure 18 descriptions according to the hand-held wire stripper 100 of the utility model embodiment.

As shown in Figure 1, according to the hand-held wire stripper 100 of the utility model embodiment, including：Hand-held seat 1, knife rest 2, on cut Knife 3 and lower cutter 4.

As depicted in figs. 1 and 2, holding, there is driving push rod 11, knife rest 2 to be fixedly installed in (the i.e. knife rest 2 of hand-held seat 1 on seat 1 It is installed on hand-held seat 1 and relatively hand-held seat 1 is static) and mobile space 201 is limited, upper cutter 3 is fixedly installed in knife rest 2 (i.e. Upper cutter 3 is installed on knife rest 2 and opposite knife rest 2 is static) and positioned at the top of mobile space 201, lower cutter 4 is movably installed in knife Frame 2 (i.e. lower cutter 4 is installed on knife rest 2 and opposite knife rest 2 is movable) and in mobile space 201 can upper and lower translation, lower cutter 4 It is connected (such as lower cutter 4 may be mounted at the free end of driving push rod 11) with driving push rod 11 to be driven by driving push rod 11 Realization moves up and down (in mobile space 201).

As depicted in figs. 1 and 2, the bottom center of upper cutter 3 has upper core avoid holes 30, the center of top of lower cutter 4 With lower core avoid holes 40, when lower cutter 4, which is moved up to, closes knife with upper cutter 3, (lower cutter 4 as shown in Figure 2 is opposite Knife rest 2 moves up to upper limit position, when so that the lower face of upper cutter 3 and the upper surface of lower cutter 4 contacting), upper core Avoid holes 30 are with lower core avoid holes 40 to being combined into core avoid holes.

In this way, cut stripping conducting wire L when, operating personnel can be held with hand grip seat 1 (at this point, knife rest 2, upper cutter 3 with Hand-held seat 1 is opposing stationary), while controlling driving push rod 11 and lower cutter 4 is pushed to be moved up in the mobile space 201 of knife rest 2, When lower cutter 4, which is moved to, closes knife with upper cutter 3, upper core avoid holes 30 and lower core avoid holes 40 are to being combined into core evacuation Hole is retained at this point, the steel core L2 of conducting wire L is located in core avoid holes, and wraps up the aluminum stranded conductor L1 of steel core L2 by 3 He of upper cutter The excision of lower cutter 4 can peel off.

As a result, by separately designing gap (i.e. upper core avoid holes in the operative end surface center of upper cutter 3 and lower cutter 4 30 and lower core avoid holes 40), so as to injure steel core L2 when upper cutter 3 and lower cutter 4 being avoided to close knife, such as may insure (it can certainly ensure innermost layer when conjunction knife at the aluminum stranded conductor L1 breakages to the positions such as general one third of innermost layer when closing knife Aluminum stranded conductor L1 is just completely damaged), the later stage uses artificial treatment again, to meet transmission line wire L wire stripping treatment process, protects The steel core L2 of protection cover wire L.

It is simple in structure according to the hand-held wire stripper 100 of the utility model embodiment, easy to process and production, small, weight Amount is light, and control is simple, and labor intensity is low, and wire stripping is efficient.

In the description of the present invention, it should be understood that term "upper", "lower", "left", "right", "vertical", " water It is flat ", "top", the instructions such as "bottom" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, merely to just In description the utility model and simplify description, specific side must be had by not indicating or implying the indicated device or element Position, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In some embodiments of the utility model, as depicted in figs. 1 and 2, holding on seat 1 has control driving push rod 11 The button 12 of stretching, that is to say, that after button press 12, driving push rod 11 can stretch out, and be conveniently operated personnel as a result, and shell Line operation.Here, it should be noted that by button 12 control driving push rod 11 stretch out implementation method can there are many kinds of, And be well known to the skilled person, such as rack and pinion mechanism, worm gear mechanism, hydraulic pressure pump machanism can be passed through (such as including lithium battery, direct current generator, high-pressure pump) driving mechanism controls to meet incision the stretching of driving push rod 11 The needs that knife 4 moves up and down, and button 12 is connected to the controller of driving mechanism again.

In addition, hand-held seat 1 can also include travel switch in the prior art, overload protection arrangement, manual off-load backhaul Device etc., after upper cutter 3 and lower cutter 4 close knife, overload protection arrangement can start, and driving push rod 11 can be shut down, at this time The reverse movement of electric pushrod 11 can be operated, and then completes the wire stripping processing of conducting wire L.As a result, according to the utility model embodiment Hand-held wire stripper 100, it is easy to operate, securely and reliably.

In some embodiments of the utility model, with reference to Fig. 5, Fig. 8 and Fig. 9, upper cutter 3 and lower cutter 4 are single side Sword cutter.That is, the side surface (left surface as shown in Figure 8) on 3 thickness direction of upper cutter is plane, other side table Face (as shown in Figure 8 right surface) is inclined-plane to construct blade, and similarly, the side surface on 4 thickness direction of lower cutter is (as schemed Left surface shown in 9) be plane, another side surface (as shown in Figure 9 right surface) is inclined-plane to construct blade.When installation, The side for the aluminum stranded conductor L1 that the needs of conducting wire 2 are retained is mounted on the planar side of upper cutter 3 and lower cutter 4, by the needs of conducting wire 2 The side for cutting the aluminum stranded conductor L1 of stripping is mounted on the inclined-plane side of upper cutter 3 and lower cutter 4.

In this way, since cutter is as the main execution unit for cutting wire stripping, structure design, material, treatment process of cutter etc. Directly influence the service life of cutter and cut wire stripping quality, according to the hand-held wire stripper 100 of the utility model embodiment, pass through by Upper cutter 3 and lower cutter 4 are both designed as the sides reservation aluminum stranded conductor L1 and are plane, cut away the single side sword cutter that the sides aluminum stranded conductor L1 are inclination angle Structure thereby may be ensured that the end face cut at stripping conducting wire L is concordant, not only beautiful in this way, and be conducive to survey when conducting wire L crimping Measure the convenience of accuracy and poling operation.

In some embodiments of the utility model, with reference to Fig. 5, Fig. 8 and Fig. 9, the blade surface of upper cutter 3 and lower cutter 4 is equal For broken line face (including at least two inclined surface).Stripping efficiency is cut thus, it is possible to improve.

Preferably, the inclined-plane magnitude of inclination at neighbouring cutting edge is more than far from the inclined-plane magnitude of inclination at cutting edge, such as in Fig. 8 Shown in example, the blade surface of upper cutter 3 includes the of the first inclined-plane 3B1 far from cutting edge 3D and neighbouring cutting edge 3D from up to down The angle of inclination of two inclined-plane 3B2, the first inclined-plane 3B1 are less than the angle of inclination of the second inclined-plane 3B2, the blade surface of lower cutter 4 from it is lower to On include third inclined-plane 4B1 and neighbouring cutting edge 4D far from cutting edge 4D the 4th inclined-plane 4B2, the angle of inclination of third inclined-plane 4B1 Less than the angle of inclination of the 4th inclined-plane 4B2.

Thus illustrate, the blade surface of upper cutter 3 and lower cutter 4 all has two angles of inclination, and wherein angle of inclination is larger Inclined-plane (such as the second inclined-plane 3B2 and the 4th inclined-plane 4B2) can be used for cutting stripping conducting wire L, and the inclined-plane (such as first that angle of inclination is smaller Inclined-plane 3B1 and third inclined-plane 4B1) it can be used for the conducting wire L that quick release is cut and go out and (play the role of winding displacement), to reduce Wire stripping resistance is cut, stripping efficiency is cut in raising.Certainly, the utility model is without being limited thereto, and blade surface can also be by three and three with updip Inclined-plane forms, and which is not described herein again.

Here, it should be noted that as shown in Figure 5 and Figure 8, due to having upper core avoid holes 30 on upper cutter 3, Part 3A positioned at 30 or more upper core avoid holes and the part 3B positioned at the 30 top both sides 3A of upper core avoid holes are respectively (i.e. the parts 3A include the first inclined-plane 3A1 and the second inclined-plane 3A2 in the independent single-blade face for being configured to broken line face；The parts 3B include first Inclined-plane 3B1 and the second inclined-plane 3B2), moreover, because having lower core avoid holes 40 on lower cutter 4, therefore avoided positioned at lower core 40 part 4A below of hole and part 4B positioned at the 40 lower part both sides 4A of lower core avoid holes are also individually configured to broken line (i.e. the parts 4A include third inclined-plane 4A1 and the 4th inclined-plane 4A2 in the single-blade face in face；The parts 4B include third inclined-plane 4B1 and the 4th oblique Face 4B2).

In some embodiments of the utility model, with reference to Fig. 5, the bottom both ends 3C of upper cutter 3 has non-blade port portion 3E, The top both ends 4C of lower cutter 4 has non-blade port portion 4E, when upper cutter 3 and the conjunction knife of lower cutter 4, the non-blade port portion of upper cutter 3 3E is contacted with the non-blade port portion 4E of lower cutter 4, the cutting edge 3D of upper cutter 3 and cutting edge 4D clearance fit (the i.e. upper cutters of lower cutter 4 3 cutting edge 3D is not contacted with the cutting edge 4D of lower cutter 4).

As a result, by the way that the both ends of 4 opposite side of upper cutter 3 and lower cutter are both designed as non-blade port structure, and by non-blade port The height at place be designed as it is big compared to the height dimension of cutting edge, in this way, after upper cutter 3 and lower cutter 4 close knife, upper cutter 3 The cutting edge 4D of cutting edge 3D and lower cutter 4 is not contacted, there are a small amount of gap, and the positions non-blade port 3E at 3 both ends of upper cutter and incision The positions non-blade port 4E at 4 both ends of knife are to knife, bearing up-down force, realize upper cutter 3 and lower cutter 4 to knife not to cutting edge, avoid The cutting edge 4D of the cutting edge 3D of upper cutter 3 and lower cutter 4 are caused to damage under high thrust, to extend upper cutter 3 and lower cutter 4 Service life.

In some embodiments of the utility model, as shown in figure 4, hand-held wire stripper 100 further includes embracing wire ferrule 5, as a result, Wire ferrule 5 is embraced by setting, the joint of stripping conducting wire L to be cut can be held tightly, prevent from squeezing cutting in upper cutter 3 and lower cutter 4 When, the problem of leading to conducting wire L broken lots.

As shown in Fig. 4, Fig. 6 and Fig. 9, embraces wire ferrule 5 and be horizontally disposed with (axis for embracing wire ferrule 5 is horizontally extending), embrace Wire ferrule 5 has upper slippage slot 501 and lower slippage slot 502, and (embracing tool in the peripheral wall surfaces of wire ferrule 5, there are two sliding slots, wherein positioned at upper The sliding slot of side is upper slippage slot 501, and underlying sliding slot is lower slippage slot 502), there is on knife rest 2 upper slipping part 211, on Slipping part 211 can slippingly coordinate in upper slippage slot 501 up and down, to limit the opposite axial displacement for embracing wire ferrule 5 of knife rest 2 Make knife rest 2 is opposite to embrace wire ferrule 5 while (preventing the opposite wire ferrule 5 of embracing of knife rest 2 from being detached along the axial direction for embracing wire ferrule 5 with wire ferrule 5 is embraced) Can upper and lower translation, there is on lower cutter 4 lower slipping part 41, lower slipping part 41 can slippingly coordinate in lower slippage slot 502 up and down, (to prevent the opposite wire ferrule 5 of embracing of lower cutter 4 along the axial direction for embracing wire ferrule 5 in the axial displacement for limiting the opposite armful of wire ferrule 5 of lower cutter 4 Detached with a wire ferrule 5 is embraced) while make lower cutter 4 it is opposite embrace wire ferrule 5 can upper and lower translation, in this way, when carrying out wire stripping work, incision Knife 4 is embraced wire ferrule 5,3 three of upper cutter and is happened at and embraces the relative motion radially of wire ferrule 5 and relatively quiet in the axial direction for embracing wire ferrule 5 Only.

As a result, by the upper slippage slot 501 of setting and lower slippage slot 502 on embracing wire ferrule 5, respectively with the upper cunning on knife rest 2 The sliding cooperation of lower slipping part 41 in shifting portion 211 and lower cutter 4, so as to by " hand-held seat 1, knife rest 2, upper cutter 3 and under The wire stripping component that cutter 4 " forms, which carries out axial limiting, (to be played the role of installation positioning to wire stripping component, wire stripping component is made to pacify Fill accurate positioning), it is ensured that wire stripping component to cut stripping position accurate, it is vertical, concordant to ensure to cut stripping face, protection upper cutter 3 and under Cutter 4 improves cutting for wire stripping component and shells stability and cut stripping reliability.In addition, it is necessary to illustrate, disclosed in the utility model Attached drawing be only for explanation schematic diagram, signal size and product details might not represent actual product.

In some preferred embodiments of the utility model, with reference to Fig. 4 and Figure 14, embracing has ring on the periphery wall of wire ferrule 5 The top of shape sliding slot 50, annular groove 50 is formed as upper slippage slot 501, and the lower part of annular groove 50 is formed as lower slippage slot 502, At this point, the upper slipping part 211 with upper half circular hole can be arranged in side of the knife rest 2 on embracing 5 axial direction of wire ferrule, lower cutter 4 is being embraced Side in 5 axial direction of wire ferrule can design the lower slipping part 41 with lower half circular hole, upper slipping part 211 and the ring on armful wire ferrule 5 The cooperation installation of upper slippage slot 501 on the top of shape sliding slot 50, lower slipping part 41 and the lower part of the annular groove 50 on armful wire ferrule 5 The lower cooperation of slippage slot 502 installation.It processes as a result, is easy to assembly, limit is reliable.

In some embodiments of the utility model ,-Fig. 3 and Fig. 5, knife rest 2 include referring to Fig.1：Lower slide 22, upper tool post 21 and lock piece 23, lower slide 22 is fixedly installed in hand-held seat 1, and (i.e. lower slide 22 is installed on hand-held seat 1 and relatively hand-held seat 1 is quiet Only), upper tool post 21 be articulated with lower slide 22 with open position (as shown in Figure 3) and closed position (as depicted in figs. 1 and 2) it Between pivotably, as depicted in figs. 1 and 2, when upper tool post 21 is switched to closed position, upper tool post 21 and lower slide 22 are moved to risking Dynamic space 201, lock piece 23 are articulated with lower slide 22 and match with 21 locking of upper tool post when upper tool post 21 is switched to closed position It closes (as depicted in figs. 1 and 2), after to lock piece 23 and the unlock of upper tool post 21, upper tool post 21 can move to open position (such as Shown in Fig. 3).The structure of knife rest 2 is simple as a result, easy to process and dismounting.

Such as in specific example shown in Fig. 5, upper tool post 21 is door type structure, and the upper end of upper tool post 21 opens up mounting hole 212, both sides home record designs slideway, by the installation of upper cutter 3 in slideway and being bolted in mounting hole 212, upper tool post 21 Left bottom is designed with hinge joint 214, and the right side of upper tool post 21 is designed with the first tooth-shape structure 213, and lower slide 22 is gate The top left side of structure, lower slide 22 is designed with hinge joint 221, and the top right side of lower slide 22 is designed with hinge joint 222, wherein The hinge joint 221 in left side is hinged with the hinge joint 214 of 21 left bottom of upper tool post, and hinge joint 222 and the lock piece 23 on right side are cut with scissors It connects, there is the second tooth-shape structure 231 coordinated with 213 locking of the first tooth-shape structure on lock piece 23.

As a result, as depicted in figs. 1 and 2, when upper tool post 21 is turned to closed position, and lock piece 23 is turned into locking When position, the second tooth-shape structure 231 on lock piece 23 can coordinate with 213 locking of the first tooth-shape structure on upper tool post 21. Here, it should be noted that the concrete shape of the first tooth-shape structure 213 and the second tooth-shape structure 231 can be with as shown in figure 5, i.e. It is made of the multiple oblique triangles being arranged in order.Certainly, the utility model is without being limited thereto, and lock piece 23 and upper tool post 21 can also lead to Other structures locking is crossed, such as hook structure etc., I will not elaborate.

In some embodiments of the utility model, lock piece 23 and the junction of lower slide 22 have dynamic clamping head and quiet clamping head 232 (such as torsional spring, springs etc.), dynamic clamping head and quiet clamping head 232 drive lock piece 23 often in the state coordinated with 21 locking of upper tool post. That is, in the case where not applying external force to lock piece 23, by the effect of dynamic clamping head and quiet clamping head 232, lock piece 23 is located always In can with the position (position as depicted in figs. 1 and 2) of 21 locking of upper tool post, and to lock piece 23 apply external force after, lock Stop member 23 can move to not with the position of 21 locking of upper tool post (such as the lock piece 23 that turns right in figure 3), at this point it is possible to Upper tool post 21 is opened.

As a result, by the way that dynamic clamping head and quiet clamping head 232 is arranged, it on the one hand can improve upper tool post 21 and the locking of lock piece 23 is reliable Property, on the other hand after closing upper tool post 21, lock piece 23 can be with automatic locking, to improve the convenience of operation.In short, Lock piece 23 is mainly used for the locking stress of upper tool post 21 and lower slide 22, and dynamic clamping head and quiet clamping head 232 is installed in the lower end of lock piece 23 And be hinged and connected with lower slide 22, self-return may be implemented, locking cooperation is connect with the tooth form of upper tool post 21.

Preferably, as shown in Fig. 2, the both sides of mobile space 201 separately design the vertical chute vertically extended 202, as shown in Fig. 2, a sliding slot is respectively set in the left and right sides of upper tool post 21, the left and right sides of lower slide 22 is respectively set one A sliding slot, when upper tool post 21 and 22 pairing of lower slide, upper tool post 21 and lower slide 22 limit mobile space 201 jointly, on Two sliding slots in two sliding slots and lower slide 22 in knife rest 21 are perpendicular to risking two be located at left and right sides of mobile space 201 Straight runner 202, so that lower cutter 4 moves up and down in mobile space 201 and without departing from mobile space 201.It leads as a result, cutting stripping When line L, lower cutter 4 can be translated up to upper cutter 3 along vertical chute 202 and is closed, thus not only can be to lower cutter 4 Move up and down and play good guiding role, improve lower cutter 4 translate security and stability, and can to avoid lower cutter 4 by To larger moment of flexure and cause lower cutter 4 damage the problem of, improve lower cutter 4 service life.

In some embodiments of the utility model, as shown in Figure 10-Figure 13, embracing wire ferrule 5 includes：Openable and closable outer ring 51 (i.e. inner ring 52 can split into non-circular knot for (i.e. outer ring 51 can split into non-circular structure) and openable and closable inner ring 52 Structure), inner ring 52 is different multiple (i.e. inner ring 52 are multiple, and the aperture of each inner ring 52 is all different) in aperture, each inner ring Soft material layer (such as rubber layer, layer of silica gel) is equipped on 52 inner ring surface, each inner ring 52 is detachably mounted on outer (can be selected which inner ring 52 to be installed to outer ring 51, and by original inner ring on outer ring 51 according to actual conditions in circle 51 52 disassemble).As a result, when carrying out embracing line operation, operating personnel can select to close according to the actual diameter situation of conducting wire L The inner ring 52 of suitable internal diameter is mounted in outer ring 51, is then closed outer ring 51 and inner ring 52, holds conducting wire L tightly.

In short, embracing wire ferrule 5 according to the utility model embodiment, inner ring can be replaced according to different conducting wire L diameters 52, to improve the reliability held tightly, and by the way that (such as inlay, paste) soft material is arranged on the inner ring surface of inner ring 52 Layer can cause to damage when line to avoid embracing to conducting wire L, moreover, soft material layer can have elasticity, it can when holding conducting wire L tightly To be compressed, to improve the reliability held tightly, and it is easily operated.Preferably, outer ring 51 is process using ferrous material, To ensure to embrace wire ferrule 5 there is enough rigidity and intensity, inner ring 52 alloy material (aluminium alloy) may be used and be process, inner ring 52 and outer ring 51 bolt may be used and be detachably connected.

Such as in the specific example shown in Fig. 1-Figure 13, embracing wire ferrule 5 includes：Outer ring 51, inner ring 52 and spanner 53, outer ring 51 include hinged 511 and second outer half ring portion 512 of the first outer half ring portion in end, and inner ring 52 includes being detachably connected to first In outer half ring portion 511 first in half ring portion 521 and be detachably connected in the second outer half ring portion 512 second in half ring portion 522, soft material layer is equipped in first in half ring portion 521 and second on the inner ring surface of half ring portion 522, outside spanner 53 and first Half ring portion 511 is hinged and coordinates with the second 512 lock-bit of outer half ring portion, wherein and spanner 53 may include connecting plate 531 and handle 532, One end of connecting plate 531 and the first outer half ring portion 511 are hinged, and the other end and handle 532 of connecting plate 531 are hinged, handle 532 and connecting plate 531 hinged ends and the screens locking in the second outer half ring portion 512.The structure for embracing wire ferrule 5 as a result, is simple, it is easy to process and Operation.Certainly, the utility model is without being limited thereto, can also directly use the structures such as bolt by the first outer half ring portion 511 and second The not hinged one end locking of outer half ring portion 512.

In some alternative embodiments of the utility model, as shown in Figure 14 and Figure 15, embracing has rotary scale on wire ferrule 5 6.In other alternative embodiments of the utility model, as exemplified in figs, embracing has rotary extension scale on wire ferrule 5 7.As a result, by installation rotary scale 6 or rotary extension scale 7 on embracing wire ferrule 5, the measurement that wire stripping position may be implemented is fixed Position first uses rotary scale 6 or rotary extension scale 7 to carry out wire stripping location determination, then holds tightly and lead again that is, before holding conducting wire L tightly Line L later can reset rotary scale 6 or rotary extension scale 7, without additionally carrying out the measurement of installation site again, And then improve the convenience of operation.

In the following ,-Figure 17 referring to Fig.1, description is according to the hand-held wire strippers 100 of some specific embodiments of the utility model.

Hand-held wire stripper 100 by with driving push rod 11 hand-held seat 1, knife rest 2, upper cutter 3, lower cutter 4, embrace wire ferrule 5, And the part such as rotary scale 6 (or rotary extension scale 7) forms.Wherein, seat 1, knife rest 2, upper cutter 3,4 groups of lower cutter are held At wire stripping component.Wherein, knife rest 2 is closed by 23 groups of the lower slide 22 of radial type, upper tool post 21 and lock piece as gate open-close type Latch mechanism, knife rest 2 is interior to design the vertical chute 202 moved up and down when 4 wire cutting L of lower cutter, and upper cutter 3 is adopted with upper tool post 21 It is fixed with bolt, lower cutter 4 is connected with the upper end of driving push rod 11, and driving push rod 11 is the hydraulic thrust driven by direct current generator Bar, when motor pushing driving push rod 11 moves, driving push rod 11 drives the beginning of lower cutter 4 to be moved up along vertical sliding slot 202, (closing knife) is closed to knife to upper cutter 3, to complete the wire stripping operation of conducting wire L.Wherein, the sword of upper cutter 3 and lower cutter 4 Mouth center separately designs core evacuation gap, and blade is designed as broken line face and realizes automatic winding displacement, to realize upper cutter 3 and incision Aluminum stranded conductor L1 most of (or whole) is removed without injuring steel core L2 after knife 4 closes knife, reaches stripping technique requirement.

In use, being required to determine stripping using rotary scale 6 (or rotary extension scale 7) first according to conducting wire L compression joint techniques Line position will embrace wire ferrule 5 and be installed in place, hold conducting wire L tightly, then snaps into wire stripping component in the annular groove 50 for embracing wire ferrule 5 (i.e. Upper slipping part 211 is snapped into upper slippage slot 501, lower slipping part 41 is snapped into lower slippage slot 502), upper tool post 21 and locking 23 locking of part in place after, press button 12 on hand-held seat 1 and switch the conjunction knife action that upper cutter 3 and lower cutter 4 can be realized, it is complete After full conjunction knife, overload protection arrangement starts, and driving push rod 11 is shut down, and operation driving push rod 11 moves backward, the stripping of completion conducting wire L Line processing.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be It is connected directly, can also can be indirectly connected through an intermediary the mutual of connection inside two elements or two elements Interactively.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality as the case may be Concrete meaning in type.In the present invention unless specifically defined or limited otherwise, fisrt feature is in second feature "upper" Or "lower" can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combines and combination.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that： Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced And modification, the scope of the utility model are limited by claim and its equivalent.

Claims (10)

1. a kind of hand-held wire stripper, which is characterized in that including：

Seat is held, there is driving push rod on the hand-held seat；

Knife rest, the knife rest are fixedly installed in the hand-held seat and limit mobile space；

Upper cutter, the upper cutter are fixedly installed in the knife rest and the top positioned at the mobile space, the upper cutter Bottom center has upper core avoid holes；

Lower cutter, the lower cutter be movably installed in the knife rest and in the mobile space can upper and lower translation, the incision There are the center of top of knife lower core avoid holes, the lower cutter to be connected with the driving push rod to be driven by the driving push rod Realization moves up and down, when the lower cutter move to the upper cutter close knife when, the upper core avoid holes with it is described offline Core avoid holes are to being combined into core avoid holes.

2. hand-held wire stripper according to claim 1, which is characterized in that the upper cutter and the lower cutter are single side Sword cutter.

3. hand-held wire stripper according to claim 1, which is characterized in that the blade surface of the upper cutter and the lower cutter is equal For broken line face.

4. hand-held wire stripper according to claim 1, which is characterized in that the bottom both ends of the upper cutter and the incision The top both ends of knife all have non-blade port portion, when the upper cutter and lower cutter conjunction knife, the non-blade port of the upper cutter Portion is contacted with the non-blade port portion of the lower cutter, and the cutting edge of the upper cutter and the cutting edge radius of the lower cutter coordinate.

5. hand-held wire stripper according to claim 1, which is characterized in that further include：

Wire ferrule is embraced, described armful of wire ferrule is horizontally disposed and has upper slippage slot and lower slippage slot, has upper slipping part on the knife rest, The upper slipping part can slippingly coordinate in the upper slippage slot up and down, to limit the relatively described wire ferrule of embracing of the knife rest Make while axial displacement the knife rest relatively it is described embrace wire ferrule can upper and lower translation, there is lower slipping part, institute on the lower cutter Stating lower slipping part can slippingly coordinate in the lower slippage slot up and down, to limit the relatively described wire ferrule of embracing of the lower cutter Make the relatively described armful wire ferrule of the lower cutter can upper and lower translation while axial displacement.

6. hand-held wire stripper according to claim 5, which is characterized in that have annular sliding on the periphery wall of described armful of wire ferrule The top of slot, the annular groove is formed as the upper slippage slot, and the lower part of the annular groove is formed as the lower slippage slot.

7. hand-held wire stripper according to claim 1, which is characterized in that further include：

Wire ferrule is embraced, described armful of wire ferrule includes：Openable and closable outer ring and openable and closable inner ring, the inner ring are different more in aperture It is a, it is equipped with soft material layer on the inner ring surface of each inner ring and each inner ring is detachably mounted in the outer ring.

8. hand-held wire stripper according to claim 7, which is characterized in that have rotary scale or rotation on described armful of wire ferrule Flexible scale.

9. the hand-held wire stripper according to any one of claim 1-8, which is characterized in that the knife rest includes：

Lower slide, the lower slide are fixedly installed in the hand-held seat；

Upper tool post, the upper tool post are articulated with the lower slide with pivotable between open and closed positions, described When upper tool post is switched to the closed position, the upper tool post is with the lower slide to risking the mobile space；

Lock piece, the lock piece be articulated with the lower slide and when the upper tool post is switched to the closed position with it is described Upper tool post locking coordinates.

10. hand-held wire stripper according to claim 9, which is characterized in that the connection of the lock piece and the lower slide There is dynamic clamping head and quiet clamping head, the dynamic clamping head and quiet clamping head to drive the lock piece often in the shape coordinated with the upper tool post locking at place State.