CN100530872C

CN100530872C - Sheath cutting pliers

Info

Publication number: CN100530872C
Application number: CNB2006100173044A
Authority: CN
Inventors: 王中华
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-01-04
Filing date: 2006-01-04
Publication date: 2009-08-19
Anticipated expiration: 2026-01-04
Also published as: CN1808806A

Abstract

This invention relates to one breaking clamper, which comprises upper clamper, down clamper and bolt, wherein, the upper and down clampers are crossed touched through bolt to realize switch with their front ends connected to the upper and down knives with relative side surface located with one equal radium semi-circle cutting holes; the upper and down knives form one circle cutting end matching to the cable diameter. This invention knives two semi-circle hole clamps the wire cable to cut the wire.

Description

Sheath cutting pliers

One. technical field:

The present invention relates to a kind of apparatus for peeling off of electric wire, particularly relate to a kind of sheath cutting pliers.

Two. background technology:

Development along with economy and technology, various electric power of China and electric equipment more and more need expansion, move and change, so just need a large amount of electric wire and cables that disconnects, particularly the digging electric equipment in mine or colliery moves frequently, power line disconnects more, labour intensity is big, and it is quick-fried that wiring does not with great difficulty cause electrical equipment to lose, thereby cause gas explosion, in order to raise the efficiency, people usually adopt stripping tool, and wire stripping pliers commonly used all are edges of a knife that different bores are set at its pincers end, to adapt to the not needs in collinear footpath, as: Chinese patent (notification number CN862062484U, the patent No. is 86206284) a kind of " wire stripping pliers " are disclosed, it is on the basic structure basis of common pliers binding clip and pincers handle to be changed, and wherein binding clip is made factory's shape, the binding clip port is made the corresponding some sharp keen edges of a knife that differ in size of thickness with institute's wire stripping, pincers between be equipped with and make the automatic open spring of jaw, only at the closed wire stripping of jaw firmly, it is automatic that jaw opens during use.But the binding clip of the wire stripping pliers of this class formation and caliper are integral structure, after the edge of a knife wearing and tearing, it is big that the aperture becomes, and well wire stripping can only be dragged firmly, so not only influence operating efficiency, and the increase labor intensity of operating personnel, after the edge of a knife heavy wear, can not change the edge of a knife, have only whole caliper is scrapped, cause waste, and increase the enterprise operation cost, it can only be applicable to the thinner cable in line footpath in addition.(notification number is CN2103209U to Chinese patent, application number is 91221018.4) a kind of " double blade electrician's wire stripping pliers " disclosed, on the handle of its main element for pincers handle, pincers handle insulating case is housed, on the binding clip of pincers handle the horizontal wire stripping blade and the vertical wire stripping blade vertical with horizontal blade that the edge of a knife is a semicircle shape is installed, vertically wire stripping blade is fixed on the binding clip part by knife rest, it is applicable to the electric wire that diameter is thicker, but its structure more complicated, the dismounting trouble, cost is higher, is unfavorable for promotion and implementation.

Three. summary of the invention:

Purpose of the present invention: overcome the defective of prior art, provide a kind of simple in structure, cost is lower, can change the sheath cutting pliers of cutter head and easy accessibility.

Technical scheme of the present invention: a kind of sheath cutting pliers, contain upper clamp, lower clamp and pin, wherein, the front portion intersection of upper clamp and lower clamp contacts and is hinged by pin, on, lower clamp is realized folding by pin, wherein go up, the front end of lower clamp is respectively with last, following cutter head flexibly connects, and on, be respectively equipped with an isometrical semicircle on the corresponding medial surface of following cutter head and shear the edge of a knife, on, when following cutter head contacts, form the circular edge of a knife of shearing, this circle is sheared the diameter of the edge of a knife and the diameter of electric wire is complementary, and, the axis of the described circular shearing edge of a knife and last, the center line of lower clamp in the same way; The rearward end of described upper and lower cutter head flexibly connects with the leading section of upper and lower caliper respectively by screw thread, and perhaps, the rearward end of described upper and lower cutter head flexibly connects with the leading section of upper and lower caliper respectively by buckle.

The medial surface of described upper and lower caliper rearward end is respectively equipped with an alignment pin, and perhaps, the medial surface of described upper and lower caliper leading section is respectively equipped with an alignment pin; On two alignment pins, be set with stage clip, make upper and lower cutter head be in normally open.

Described upper and lower cutter head is the series of bits that is provided with the different-diameter semicircle edge of a knife.

The rear portion of described upper and lower caliper is respectively installed with insulating case, is convenient to live line working.

Beneficial effect of the present invention:

1. high efficiency of the present invention and laborsaving, two semicircle edges of a knife of shearing of its front end are clamped electric wire, and the electric wire skin is cut off, operating personnel only need one to draw backward, the electric wire skin can be peeled off, facts have proved, the present invention saves for 25% time than common wire stripping pliers, so its efficient height, in addition, electric wire and upper and lower caliper are in the same way, operating personnel exert oneself backward, meet the firmly custom of arm, and it has changed about the common arm that adopts exerts oneself, so, more convenient and laborsaving.

The present invention easy to use, save material, its cutter head is movable the connection with caliper, the shearing edge of a knife on the cutter head can make the specification that varies in size, and adapts to the not needs in collinear footpath by changing cutter head, in addition, for through being usually used in same kind of specification electric wire, it has incomparable advantage: do not have other slot arrangement, alleviated the weight of whole caliper, be convenient to operation, and therefore the reduction labor intensity of operating personnel is used very convenient.After edge of a knife wearing and tearing, only need to change cutter head and get final product, do not need caliper is scrapped, so save material, reduce the operating cost of enterprise.

3. the present invention's making simple in structure, easy, caliper and pin are common common components, buy easily or make, cutter head structure is simple in addition, and its side only need process semicircle sharp keen blade and get final product, and screw thread or buckle are processed in its rear end, be conventional processing technology, so, make easily, and cost is lower.

4. the present invention is simple to operate, and the medial surface of upper and lower caliper rearward end or leading section is respectively equipped with an alignment pin, is set with stage clip on two alignment pins, makes upper and lower cutter head be in normally open, and therefore, only need hold with a firm grip during use gets final product, easily operation.

5. the scope of application of the present invention is wide, particularly is applicable to the digging electric equipment in mine or colliery, and the cable diameter of the stripping of cutting is thicker, is easy to promote, and has good social and economic benefit.

Four. description of drawings:

Fig. 1 is one of structural representation of sheath cutting pliers;

Fig. 2 is the left view of sheath cutting pliers shown in Figure 1;

Fig. 3 be sheath cutting pliers structural representation two.

Five. embodiment:

Embodiment one: referring to Fig. 1 and Fig. 2, among the figure, the upper clamp 5 of sheath cutting pliers contacts with the front portion of lower clamp 6 intersection and is hinged by pin 4, and by pin 4 realization foldings, the front end of upper clamp 6 and lower clamp 5 flexibly connects with last cutter head 1 and following cutter head 3 respectively, and be respectively equipped with an isometrical semicircle on last cutter head 1 and the following cutter head 3 corresponding medial surfaces and shear the edge of a knife 2, when last cutter head 1 contacts with following cutter head 3, form the circular edge of a knife of shearing, this circle is sheared the diameter of the edge of a knife and the diameter of electric wire is complementary.

The rearward end of last cutter head 1 and following cutter head 3 by screw thread respectively with the leading section flexible connection of upper clamp 6 and lower clamp 5, perhaps, the rearward end of last cutter head 1 and following cutter head 3 by buckle respectively with the leading section flexible connection of upper clamp 6 and lower clamp 5, be common structure, do not describe in detail.

During use, two semicircle edges of a knife 2 of shearing of last cutter head 1 and following cutter head 3 are clamped electric wire, hold the rear portion of upper clamp 6 and lower clamp, the electric wire skin can be cut off, operating personnel only need one to draw backward, the electric wire skin can be peeled off, and are very convenient and laborsaving.

Embodiment two: present embodiment and embodiment one are basic identical, and something in common does not repeat, and difference is: the rear portion of upper clamp 6 and lower clamp 5 is respectively installed with insulating case (not drawing among the figure), is convenient to live line working.

Embodiment three: referring to Fig. 3, numbering is identical with embodiment one among the figure, the same meaning of representative, something in common does not repeat, difference is: upper clamp 6 and lower clamp 5 rearward end (also can be leading sections, determine as required) medial surface be respectively equipped with an alignment pin 7, on two alignment pins 7, be set with stage clip 8, make cutter head 1 and following cutter head 3 be in normally open.

Embodiment four: present embodiment and embodiment three are basic identical, and something in common does not repeat, and difference is: the rear portion of upper clamp 6 and lower clamp 5 is respectively installed with insulating case (not drawing among the figure), is convenient to live line working.

Claims

1. sheath cutting pliers, contain upper clamp, lower clamp and pin, wherein, the front portion intersection of upper clamp and lower clamp contacts and is hinged by pin, on, lower clamp is realized folding by pin, it is characterized in that: on, the front end of lower clamp by screw thread or buckle respectively with last, the movable connection in the rear end of following cutter head, and on, be respectively equipped with an isometrical semicircle on the corresponding medial surface of following cutter head and shear the edge of a knife, on, when following cutter head contacts, form the circular edge of a knife of shearing, this circle is sheared the diameter of the edge of a knife and the diameter of electric wire is complementary, and, the axis of the described circular shearing edge of a knife and last, the center line of lower clamp in the same way.

2. sheath cutting pliers according to claim 1 is characterized in that: the medial surface of described upper and lower caliper rearward end is respectively equipped with an alignment pin, is set with stage clip on two alignment pins, makes upper and lower cutter head be in normally open.

3. sheath cutting pliers according to claim 1 is characterized in that: the medial surface of described upper and lower caliper leading section is respectively equipped with an alignment pin, is set with stage clip on two alignment pins, makes upper and lower cutter head be in normally open.

4. according to claim 1 or 2 or 3 described sheath cutting pliers, it is characterized in that: described upper and lower cutter head is the series of bits that is provided with the different-diameter semicircle edge of a knife.

5. sheath cutting pliers according to claim 4 is characterized in that: the rear portion of described upper and lower caliper is respectively installed with insulating case, is convenient to live line working.