CN201813111U

CN201813111U - Wire stripper

Info

Publication number: CN201813111U
Application number: CN2010205462678U
Authority: CN
Inventors: 丁凯
Original assignee: NINGBO HAIBO MECHANICAL TOOL CO Ltd
Current assignee: NINGBO HAIBO MECHANICAL TOOL CO Ltd
Priority date: 2010-09-27
Filing date: 2010-09-27
Publication date: 2011-04-27
Anticipated expiration: 2020-09-27

Abstract

The utility model relates to a wire stripper comprising a first stripper body and a second stripper body which are hinged by a pin shaft; parts of the first stripper body and the second stripper body which are above the pin shaft are respectively provided with a cutter edge to form a cutting edge, and the parts of the first stripper body and the second stripper body which are below the pin shaft are respectively provided with an operation handle; the wire stripper is characterized in that one stripper body in the first stripper body and the second stripper body is provided with a long hole which are arranged between the pin shaft and the handles, and the other stripper body is sequentially provided with a plurality of positioning grooves which are towards the long hole; a positioning pin is inserted and moves in the long hole; and the positioning pin is limited in the long hole which correspond to the positions of the positioning grooves through positioning pieces. Compared with the prior art, the wire stripper ingeniously adjusts the size of the cutting edge through the movement of the positioning pin, can achieve the purpose of stripping different conductor insulation layers with only one cutting edge, has simple overall structure, is easy to operate, simultaneously is centered more accurately, and the damage to the conductor core is little.

Description

Wire stripping pliers

Technical field

The utility model relates to a kind of electrician's instrument, specifically refers to a kind of wire stripping pliers that can divest the insulating barrier of different size lead.

Background technology

Wire stripping pliers are a kind of electrician's instruments that are used for peelling off the wire termination insulating barrier.At present, the structure of wire stripping pliers has presented variation, wherein comparatively common wire stripping pliers include by two hinged calipers of bearing pin, two calipers are jaw at the upper section that is positioned at bearing pin, be positioned at bearing pin below part and form handle, the semi-circular recesses that jaw generally includes tangential knife and aligns in pairs, the size of these grooves has nothing in common with each other, to be suitable for peeling off the insulating barrier on the different size lead.As Chinese patent Granted publication number for " a kind of diagonal cutting pliers that has the wire stripping pliers function simultaneously " of CN2441606Y disclose so a kind of instrument, when this instrument uses, cut off lead with straight blade branch, then wire termination is stuck in the circular cutting edge identical with its lead wire core diameter, the electric handle of holding with a firm grip can cut off wire insulation just, and can not injure the lead inner core.Therefore, this instrument uses comparatively convenient, safety, reliable.

The utility model content

Technical problem to be solved in the utility model is at above-mentioned prior art present situation, a kind of novel structure is provided and has easy to use, safe and reliable wire stripping pliers equally.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: these wire stripping pliers comprise first caliper and second caliper that is hinged by bearing pin, this is first years old, two calipers have blade respectively and form cutting edge at the upper section that is positioned at bearing pin, this is first years old, two calipers are positioned at bearing pin below part then becomes operating grip, its feature exists: described first, have the slotted hole between described bearing pin and handle on the wherein caliper in two calipers, and described first, have a plurality of location notchs on another caliper in two calipers successively towards this slotted hole, alignment pin plugs and is displaced in the described slotted hole, and this alignment pin also by keeper spacing with the corresponding described slotted hole in each location notch position in.

As further improvement of the utility model, on described bearing pin, can also be with a torsion spring, one end of this torsion spring is fixed on first caliper between described bearing pin and the handle, and the other end of this torsion spring is fixed on second caliper between described bearing pin and the handle.Make two cutting edges have the trend that is separated from each other all the time like this, the lead in the process easy to use is put in the cutting edge, makes operation more light.

In above-mentioned improvement project, can be hinged with the snap close between described bearing pin and handle on the wherein caliper in described first and second caliper, then have with described snap close on another caliper in described first and second caliper and collude the groove that closes mutually.Utilize snap close to collude and be combined in the groove, be convenient to take in these wire stripping pliers.

In above-mentioned each scheme, described blade can design arc grooves such as semicircle, but preferred design becomes the V font, after two blades close up, makes the blade shape diamondwise, and centering is more accurate during wire stripping like this, also reduces the damage of lead core simultaneously.

In above-mentioned each scheme, described keeper can be for being enclosed within the stage clip on the described alignment pin, and the restoring force by stage clip is positioned in the slotted hole alignment pin, can pass through a simple push action again simultaneously, can make alignment pin mobile in slotted hole.Certainly, this keeper also can adopt the nut that is screwed onto on the alignment pin (afterbody of alignment pin has screw thread), by the rotation nut, the alignment pin head is pressed on the slotted hole edge, the reverse rotation nut, can be so that alignment pin move in slotted hole, obvious this scheme can realize the location of alignment pin equally.

Practical is that first caliper and second caliper of described cutting edge upper section have concaveconvex structure respectively and form the nipper pliers jaw on corresponding surface, make wire stripping pliers have the function of nipper pliers simultaneously

Compared with prior art, the utility model utilizes moving of alignment pin to regulate the size of cutting edge dexterously, thereby the utility model only designs a cutting edge and just can reach the purpose that same cutting edge can be peeled off the different conductor insulating barrier, and overall structure is simple, easy operating, it is more accurate also to have centering simultaneously, the advantage that the damage of lead core is little.

Description of drawings

Fig. 1 is the perspective view of the utility model embodiment;

Fig. 2 is the upright exploded view of Fig. 1;

Fig. 3 is the back side perspective view of Fig. 1;

Fig. 4 is the stereoscopic-state figure of the utility model embodiment when wire stripping;

Fig. 5 is the end view of Fig. 4.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Extremely shown in Figure 5 as Fig. 1, these wire stripping pliers comprise first caliper 1 and second caliper 2 that is hinged by bearing pin, this first and second caliper has V font blade respectively and forms rhombus cutting edge 3 at the upper section that is positioned at bearing pin, this first and second caliper is positioned at bearing pin below part then becomes operating grip, be with the sleeve 4 of plastic material on the handle, the comfort when gripping in order to increase.In the present embodiment, at the slotted hole 11 that also has on first caliper between bearing pin and handle, and having a plurality of location notchs 21 on second caliper successively towards this slotted hole, the other numeral that is provided with corresponding wire gauge of each location notch makes the operator can know the size of cutting edge intuitively.Alignment pin 5 is plugged in this slotted hole 11, and can vertically move along this slotted hole, and this alignment pin also by keeper spacing with each corresponding slotted hole in location notch position in, here, the head of alignment pin has flange 51, and keeper is the stage clip 6 that is enclosed within on the alignment pin, and an end of stage clip is against on first caliper 1, the other end is against on the screw 7 that is fastened with the alignment pin afterbody, makes the alignment pin head have the trend that is pressed on the slotted hole edge all the time.

For convenience of wire stripping, on above-mentioned bearing pin, also be with a torsion spring 8, one end of this torsion spring is fixed on first caliper 1 between bearing pin and the handle, the other end of this torsion spring is fixed on second caliper 2 between bearing pin and the handle, makes above-mentioned two V font blades be in the trend that deviates from relatively all the time.At this moment,, be convenient to collect these wire stripping pliers, collude the groove 12 that closes mutually being hinged with on second caliper on 9, the first calipers of the snap close between bearing pin and the handle, then to have with snap close under user mode not.Collude by snap close 9 front ends and to be combined in the groove 12, overcome the torsion of torsion spring 8, make the cutting edge of wire stripping pliers be in closure state.

General lead also needs core is bent circle or tightened processing after peelling off insulating barrier, therefore, in the present embodiment, on the corresponding surface of first caliper of cutting edge upper section and second caliper, also have concaveconvex structure respectively and form nipper pliers jaw 10, make these wire stripping pliers when having the wire stripping function, also have the function of nipper pliers like this.

When using above-mentioned wire stripping pliers, need unclamp snap close earlier; Then adjust the position of alignment pin according to the lead of different size, at this moment, as long as push screw, alignment pin is moved slightly to the second caliper side, can be so that alignment pin be freely mobile in slotted hole, when alignment pin moves to the location notch at corresponding wire gauge numerical value place, unclamp screw, alignment pin then under the effect of stage clip, is positioned in the slotted hole again, at this moment, the diameter of the inscribe circumference of rhombus cutting edge is the line footpath of the lead of shelling; Then, lead A is placed in the rhombus cutting edge, exposes and to peel off insulating barrier; Close up handle at last, and draw, just can finish the wire stripping operation like a cork perpendicular to the lead direction.

Claims

1. wire stripping pliers, comprise first caliper (1) and second caliper (2) that are hinged by bearing pin, this is first years old, two calipers have blade respectively and form cutting edge (3) at the upper section that is positioned at bearing pin, this is first years old, two calipers are positioned at bearing pin below part then becomes operating grip, its feature exists: described first, have the slotted hole (11) between described bearing pin and handle on the wherein caliper in two calipers, and described first, have a plurality of location notchs (21) on another caliper in two calipers successively towards this slotted hole, alignment pin (5) plugs and is displaced in the described slotted hole, and this alignment pin also by keeper spacing with the corresponding described slotted hole in each location notch position (11) in.

2. wire stripping pliers according to claim 1, it is characterized in that: also be with a torsion spring (8) on the described bearing pin, one end of this torsion spring (8) is fixed on first caliper (1) between described bearing pin and the handle, and the other end of this torsion spring is fixed on second caliper (2) between described bearing pin and the handle.

3. wire stripping pliers according to claim 2, it is characterized in that: be hinged with the snap close (9) between described bearing pin and handle on the wherein caliper in described first and second caliper, then have on another caliper in described first and second caliper with described snap close and collude the groove (12) that closes mutually.

4. according to claim 1 or 2 or 3 described wire stripping pliers, it is characterized in that: described blade is designed to the V font and makes described cutting edge (3) form rhombus.

5. according to claim 1 or 2 or 3 described wire stripping pliers, it is characterized in that: described keeper is the stage clip (6) that is enclosed within on the described alignment pin.

6. according to claim 1 or 2 or 3 described wire stripping pliers, it is characterized in that: first caliper and second caliper of described cutting edge (3) upper section have concaveconvex structure respectively and form nipper pliers jaw (10) on corresponding surface.