CN2788990Y

CN2788990Y - Labour-saving shearing tool structure

Info

Publication number: CN2788990Y
Application number: CN 200520012482
Authority: CN
Inventors: 黄锦期
Original assignee: GUANGDAMING ENTERPRISE CO Ltd
Current assignee: GUANGDAMING ENTERPRISE CO Ltd
Priority date: 2005-05-16
Filing date: 2005-05-16
Publication date: 2006-06-21
Anticipated expiration: 2015-05-16

Abstract

The utility model relates to a labour-saving shearing tool structure, which is mainly composed of a shearing-tool base, a wedging grab handle, two linking gears, a butting piece and a shearing-tool edge, wherein the rear segment of the shearing-tool base is provided with an upper grab handle, the intermediate segment is provided with a combination surface and four combination holes respectively used for the combination of the wedging grab handle, the two linking gears, the butting piece and the shearing-tool edge, the front part extends out a shearing-tool drill, the rear part of the wedging grab handle is provided with a lower grab handle, and the front part is provided with a wedging gear with an arc-shaped distance. The rear part of the butting piece is provided with a passive gear with an arc-shaped distance, the front part extends out a force-applying arm, the front-lower part of the shearing-tool edge is an edge part, and the upper part of the edge part is provided with a wedging slot matching with the butting piece, wherein the wedging slot is in a force-applying arm shape. When the wedging grab handle, the linking gears and the butting piece are combined on the shearing-tool base, the wedging gears, the linking gear and the passive gear are linked orderly; by the structure, three-stage continuous force application can be continuously generated by using the lever principle and a gear ratio so as to obtain a powerful shear force device.

Description

Laborsaving clipper structure

[technical field]

Relevant a kind of " the laborsaving clipper structure " that various article are used that can be used for pruning of the utility model system, the scissors that the application of its clipper is very extensively used as paper-cut, cut the steel that iron sheet uses and cut, or the orchard shears that uses of poll or the like, the utility model mainly is at the clipper structure Design that is used for using energetically ameliorator in addition.

[background technology]

The application of its clipper is very extensive, cut as secateurs or the industrial steel that uses that gardening uses, all be that use can pruned than the object of gravity, and present structural design is many shown in the design of Fig. 6, it all has two blades 10,100 up and down, and this two blade 10,100 is tangent shape, and phase tangent plane place is a blade 11, central authorities are provided with a pivot part 12, and two blades 10,100 respectively are provided with a handle 20,200 by pivot part 12 backs staggered section system.

Structural design after the user holds lower handle 20,200, is a length of utilizing handle 20,200 by this, and the strength that produces more with lever principle is sheared two blades 10,100 mutually, in order to do the effect that obtains shearing.

So, the above-mentioned structure of commonly using still has following problem points in practical application: it produces lever principle with the length of handle 20,200 merely, two blades 10,100 are sheared mutually, though two blades 10,100 are obtained greater than the strength that imposes on handle 20,200, but when being applied to prune more thick and stiff article, still have and dislike not enough locating, the great strength of the also necessary use of user can be with the smooth trimmer of these article.

The utility model people is because the disappearance of above-mentioned habit formula clipper structure, is think and the idea of utility model, satisfies with for many years experience and designed, and through inquiring into and study sampling test in many ways, and repeatedly revises improvement, is to release the utility model.

[novel content]

The technical problem point that desire solves:

Known clipper structure, the lever principle that it produces with simple handle length, two blades are obtained greater than the strength that imposes on handle, but when being applied to prune more thick and stiff article, still have and dislike not enough locating, the user also must use great strength these article can be pruned smoothly, and this is the technical problem point person that desire solves.

The technical characterstic of dealing with problems:

The utility model provides a kind of laborsaving clipper structure, it mainly is by a tool rest, one contract is moved lever, two interlock teeth, one compresses part and a blade is formed, wherein the back segment of tool rest is provided with lever, the stage casing is provided with a faying face and four combined holes, then extend in the place ahead has cutter to bore, the rear of the moving lever of contract is provided with down lever, the place ahead is provided with into the moving tooth of contract and the combined hole of an arcuation distance, compress the part rear and be provided with into the passive tooth and the combined hole of an arcuation distance, extend in the place ahead a force arm, the front lower place of blade is a blade, and the blade top is provided with one and cooperates the force arm shape that compresses part to agree with groove, and the rear has a combined hole; The moving lever of contract system is pivoted with combined hole on the last side's combined hole of faying face that is incorporated into tool rest, the combined hole at two diagonal angles then supplies the combination of interlock tooth about the place ahead, make the interlock tooth and can be subjected to the moving tooth contract of contract moving, compress part system and agree with agreeing with in the groove of blade with force arm, be superimposed with seasonal combined hole and combined hole, on the faying face forefront combined hole that is incorporated into tool rest that makes again, make passive tooth be subjected to interlock tooth contract moving up and down and simultaneously, by the said structure combination, in order to do obtaining laborsaving clipper structure person.

The effect of contrast prior art:

The laborsaving clipper structure that the utility model provides, the PROPEL of its shearing, system utilizes the moving lever of contract with lever principle, produce the reinforcement effect of phase I, this power then once more by the moving tooth of contract, interlock tooth and passive tooth with the gear ratio, producing bigger second stage reinforcement makes and compresses part action, and compress part also once more with this power of amplifying through secondary, utilize extended force arm to utilize lever principle to make blade do the shearing of an application of force once more, three sections continuous reinforcement is in order to do making blade obtain powerful shearing person by this.

[description of drawings]

Fig. 1: be three-dimensional combination figure of the present utility model.

Fig. 2: be three-dimensional exploded view of the present utility model.

Fig. 3: be combination of the present utility model and fragmentary, perspective view.

Fig. 4: the interlock PROPEL figure when being the utility model shearing.

Fig. 5: be the interlock PROPEL figure after the utility model is sheared.

Fig. 6: the combination and the action diagram that are habit formula structure.

[specific embodiment]

Understand and understanding for your juror can be had further the purpose of this utility model, feature and effect, below now please the conjunction with figs. description details as the back:

Please earlier by Fig. 1, see shown in 2, it mainly is by a tool rest 30, one contract is moved lever 40, two interlock teeth 50, one compresses part 60 and a blade 70 is formed, wherein the back segment of tool rest 30 is provided with lever 31, the stage casing is provided with a faying face 32 and four combined holes 33, then extend in the place ahead has cutter to bore 34, the rear of the moving lever 40 of contract is provided with down lever (41), the place ahead is provided with into the moving tooth 42 of contract and the combined hole 43 of an arcuation distance, compress part 60 rears and be provided with into the passive tooth 61 and the combined hole 62 of an arcuation distance, extend in the place ahead a force arm 63, the front lower place of blade 70 is a blade 71, blade 71 tops are provided with one and cooperate force arm 63 shapes that compress part 60 to agree with groove 72, the rear has a combined hole 73, and aforesaid interlock tooth 50 numbers of teeth are to be less than moving tooth 42 of contract and passive tooth 61, and the number of teeth of the moving tooth 42 of contract is again to be less than passive tooth.

Its combination, by Fig. 1 and sight shown in Figure 3, the moving lever 40 of contract is with combined hole 43 on the faying face 32 last side's combined holes 33 that are incorporated into tool rest 30 that are pivoted, 33 of the combined holes at two diagonal angles supply 50 combinations of interlock tooth about the place ahead, make interlock tooth 50 and can be subjected to moving tooth 42 contracts of contract moving, compressing part 60 is to agree with agreeing with in the groove 72 of blade 70 with force arm 63, be superimposed with combined hole 73 with seasonal combined hole 62, on the faying face that the is incorporated into tool rest 30 32 forefront combined holes 33 that make again, make passive tooth 61 be subjected to interlock tooth 50 contracts moving up and down and simultaneously, while blade 71 also can be involutory tangent with cutter brill 34, and tool rest 30 forms in conjunction with last lever 31 at last.

It uses when shearing, as shown in Figure 4, when holding down the moving lever 40 of contract, can make it with the moving tooth 42 mat clockwise directions of contract, once drive two interlock teeth 50 simultaneously counterclockwise to rotate, the passive tooth 61 that makes two interlock teeth 50 compress part 60 by last inferior horn place interlock respectively again clockwise rotates, and order compresses part 60 and pushes blade 70 with force arm 63, can bore the action that cut-out is done at 34 places to cutter with blade 71, this cooperation is shown in Figure 4.

During this shear action, the moving lever 40 of contract is with the shearing force of lever principle generation greater than the application of force, and again the gear by 61 of the moving tooth 42 of contract, interlock tooth 50 and passive tooth than in order to do producing bigger exerting oneself, and compress power that part 60 amplifies with this secondary once more with extended force arm 63, utilize lever principle that blade 70 is done pushing of an application of force again and obtain shearing person.

The structure of the above-mentioned specific embodiment of mat, can obtain following benefit: the PROPEL of its shearing, at first be to utilize the moving lever 40 of contract with lever principle, produce the reinforcement effect of phase I, this power is then once more by the moving tooth 42 of contract, interlock tooth 50 and passive tooth 61 are with the gear ratio, producing bigger second stage reinforcement makes and compresses part 60 action, and compress part 60 also once more with this power of amplifying through secondary, utilize extended force arm 63 to utilize lever principle to make blade 70 do the shearing of an application of force once more, three sections continuous reinforcement is in order to do making blade 70 obtain unprecedented shearing person by this.

In sum, the utility model has reached breakthrough structural design really, and has the utility model content of improvement, can reach simultaneously usability and progressive on the industry again, and the utility model do not see any publication, also have a novelty, when the regulation that meets the relevant law of Patent Law, the whence proposes novel patent application in accordance with the law, earnestly asks the juror of an ancient unit of weight office and authorizes legal monopoly power, and most sense is prayed.

Only the above person only is a preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model; Promptly the equalization of being done according to the utility model claim generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1, a kind of laborsaving clipper structure, its mainly be by the moving lever of a tool rest, a contract, two interlock teeth, compress part and a blade is formed, it is characterized in that:

The back segment of tool rest is provided with lever, the stage casing is provided with a faying face and four combined holes, move lever, interlock tooth, compress part and blade combination for contract, then extend in the place ahead has cutter to bore, and the rear of the moving lever of contract is provided with down lever, and the place ahead is provided with into the moving tooth of contract and the combined hole of an arcuation distance, compress the part rear and be provided with into the passive tooth and the combined hole of an arcuation distance, extend in the place ahead a force arm, and the front lower place of blade is a blade, and the rear has a combined hole;

Pass through said structure, the moving lever of its contract system is pivoted with combined hole on the last side's combined hole of faying face that is incorporated into tool rest, the interlock dentition is incorporated into stage casing combined hole up and down, be subjected to the moving interlock of the moving tooth contract of contract simultaneously, the force arm system that compresses part is incorporated into the blade top of blade leading portion, and together be hubbed on the combined hole in tool rest faying face the place ahead with combined hole, passive tooth also is subjected to two interlock tooth contracts moving simultaneously; When holding down the moving lever of contract, be to drive two interlock teeth simultaneously with the moving tooth of contract to rotate, two interlock teeth interlock again compress the passive tooth of part, make to compress part and rotate, and order compresses part and pushes the action that blade is done shearing with force arm.

2, laborsaving clipper structure according to claim 1 is characterized in that, the blade of blade top is provided with one and cooperates the groove that agrees with of the force arm shape that compresses part, but makes the force arm down go into to agree with in the groove spacing.

3, laborsaving clipper structure according to claim 1 is characterized in that, the number of teeth system of interlock tooth is less than the moving tooth of contract and the passive tooth number of teeth person who compresses part of the moving lever of contract.

4, laborsaving clipper structure according to claim 1 is characterized in that, the moving tooth number of teeth of the contract of the moving lever of contract system is less than the passive tooth number of teeth person who compresses part.