CN2537527Y

CN2537527Y - Structure of knife and shears

Info

Publication number: CN2537527Y
Application number: CN 02233062
Authority: CN
Inventors: 赵昱盛
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-23
Filing date: 2002-04-23
Publication date: 2003-02-26
Anticipated expiration: 2012-04-23

Abstract

The utility model discloses a shears structure, mainly comprising a fixed cutting knife, a cutting knife, a screw cap and a screwing part. The utility model is characterized in that a round hole for penetrating the screw cap is arranged at the proper position of the fixed cutting knife; a fixing groove for the snapping of the stepped surfaces of the screw cap is arranged at the action end of the cutting knife corresponding to the round hole of the fixed cutting knife; the screw cap is inserted in the round hole of the fixed cutting knife and the fixing groove of the cutting knife entirely, and the stepped surfaces of the screw cap are snapped with the fixing groove of the cutting knife, and a through hole is arranged at the proper position of the center of the screw cap; a bell end is protruded at the lower end of the T-shaped screwing part, and can be fixed in the through hole of the screw cap. With the fixed cutting knife pivoted with the cutting knife through the screw cap, and then sleeved with the screwing part, the length of the screw cap and the screwing part is approximately equal to the thickness of the fixed cutting knife and the cutting knife, thus the total shears is in the thinnest state.

Description

The cutter shear structure

Technical field

The utility model relates to a kind of cutter shear structure.

Background technology

At present, by located by prior art, as application number 88212904 patent names: " handle of scissors of tool ergonomics ", application number 82215458 patent names: " structure-improved of orchard shears ", application number 89205937 patent names: the disclosed structures of patent case such as " orchard shears structure-improveds " is cutter shear structure commonly used at present.

General cutter shear structure mainly is pivoted with rivet arrangement between two handle of a knifes, be element 30 as application number 88212904 patent case rivets, but when the cutter of this patent is cut in use for some time, when wanting to change blade if the blade of handle of a knife front end can wear and tear to some extent, pin-jointed structure with rivet promptly can't give dismounting and change with two handle of a knifes, and this is with the rivet is the major defect of pin-jointed structure.

In view of above-mentioned be the shortcoming of pin-jointed structure with the rivet, industry is also developed between two handle of a knifes with the bolt structure combining, be element A and B or application number 89205937 bolts as application number 82215458 bolts and be element 25,27,32 and 34, utilize bolt to be to have disconnectable effect between two handle of a knifes for the main purpose of pin-jointed structure, so can improve with the rivet is the shortcoming of pin-jointed structure, but the cutter of this structure is cut and still had following shortcoming:

Please be aided with application number and be the shown in Figure 2 of 89205937 application case, the mode of two handle of a knifes with the bolt snap-in structure is pivoted mutually, so bolt need have a step surface when being shaped, make it to be fixed in the fixedly slotted eye of a handle of a knife, fixedly slotted eye is figure number 12, bolt screws togather with a nut after passing two handle of a knifes again, make and become to be pivoted state between two handle of a knifes, but the nut that this bolt snap-in structure promptly causes opposite side to screw togather becomes the shown in Figure 4 of convex shape such as this case, so the width that causes whole cutter to be cut is longer, and nut becomes convex shape to cut out when cutting object at cutter, the object that cuts is cropped along the blade of two handle of a knifes, make the object that cuts be easy to generate the phenomenon of object bending because of the obstruction of nut, this i.e. the main shortcoming of cutter shear structure for this reason.

Therefore in view of the structural disadvantages that above-mentioned each patent cutter is cut, the inventor accumulates manufacturing and the production and marketing experience that cutter is for many years cut, and concentrates on studies, and proposition of the present utility model is arranged finally.

Summary of the invention

The purpose of this utility model provides a kind of cutter shear structure, its consist predominantly of one fixedly cut-off knife, excision cut-off knife, a nut and a screw piece form jointly, it is characterized in that:

One fixedly the cut-off knife appropriate position establish a circular hole, circular hole can wear a nut; Establish a nose makes and can engage a flexible member one end in the lever inboard; One excision cut-off knife is established a holddown groove at effect end with respect to fixing cut-off knife circular hole place, and holddown groove can supply the step surface of nut to fasten; And establish a nose in the lever inboard and can engage flexible member end in addition; One nut integral body can stretch through at the circular hole of fixing cut-off knife and the holddown groove of excision cut-off knife, and the step surface of nut can fasten with the holddown groove of excision cut-off knife again, and nut is established a through hole in central appropriate position; One screw piece is a T type slightly, below protrude out a fit end, the fit end can be fixed on the through hole of nut; Close fixedly behind cut-off knife and the excision cut-off knife fit screw piece again by the nut pivot, make it to approximate fixedly cut-off knife and the thickness that excises cut-off knife in the length of combination rear nut and screw piece, the cutter of integral body is cut the thinnest state that is.

For further understanding technical characterictic of the present utility model and effect, now reach embodiment in conjunction with the accompanying drawings and be described in detail as follows.Describedly only explaining embodiment of the present utility model for being used for, is not that attempt is done any pro forma restriction to the utility model according to this, and under spirit of the present utility model, any modification or the change done all should belong to the scope of the utility model protection.

Description of drawings

Fig. 1 is the utility model cutter shear structure three-dimensional exploded view.

Fig. 2 is the utility model cutter shear structure three-dimensional combination figure.

Fig. 3 is the utility model cutter shear structure generalized section.

Fig. 4 is the utility model cutter shear structure front view.

Fig. 5 is the utility model cutter shear structure action schematic diagram.

Fig. 6 is the utility model second embodiment schematic diagram.

Fig. 7 applies to the embodiment that another cutter is cut for the utility model.

The specific embodiment

As shown in Figure 1, the utility model is that it mainly comprises about a kind of cutter shear structure:

One fixedly cut-off knife 10 effect end appropriate positions establish a circular hole 11, circular hole 11 can wear and protrude out a nut 30, establishes a nose 12 in the lever inboard and makes and can engage a flexible member 50 1 ends;

One excision cut-off knife 20 is established a holddown groove 21 at effect end with respect to fixing cut-off knife 10 circular holes 11 places, and holddown groove 21 can fasten for the step surface 31 of nut 30, and establishes a nose 22 in the lever inboard and can engage flexible member 50 and hold in addition;

Nut 30 integral body can be extended through the fixedly circular hole 11 and the holddown groove 21 that excises cut-off knife 20 of cut-off knife 10, and the step surface 31 of nut 30 can fasten with the holddown groove 21 of excision cut-off knife 20 again, and nut 30 is established a through hole 32 in central appropriate position;

Screw piece 40 is a T type slightly, below protrude out a fit end 41, fit end 41 can be fixed on the through hole 32 of nut 30;

One flexible member, 50 1 ends engage with the fixing nose 12 of cut-off knife 10, and end engages with the nose 22 that excises cut-off knife 20 in addition.

When combination, nut 30 can be extended through the fixedly circular hole 11 and the holddown groove 21 that excises cut-off knife 20 of cut-off knife 10, the step surface 31 of nut 30 can fasten with the holddown groove 21 of excision cut-off knife 20 again, and the fit end 41 of screw piece 40 is fixed on the through hole 32 of nut 30 again, whole pivot joint mode is promptly closed fixedly cut-off knife 10 and is excised behind the cut-off knife 20 fit screw piece 40 again with nut 30 pivots, make it to approximate fixedly cut-off knife 10 and the thickness that excises cut-off knife 20 in the length of combination rear nut 30 and screw piece 40, this is the utility model biggest advantage, after entire combination promptly as shown in Figure 2, analysing and observe promptly as shown in Figure 3 of assembled state, the enlarged drawing at figure C place during right figure is, positive apparent time promptly as shown in Figure 4.

As shown in Figure 5, when action, gently press to hold lever, drive flexible member 50 and be equidirectional retraction, and then drive excision cut-off knife 20, the action of wiping out with generation with equidirectional action, because of the active force of flexible member 50, when the relieving cutter is cut, promptly recover original state.

As shown in Figure 6, second embodiment of the present utility model, the holddown groove 21 of excision cut-off knife 20 can be any shape as circular, hexagon, and the step surface 31 of nut 30 is identical shape again, the holddown groove 21 that makes it and excise cut-off knife 20 fastens, and also has identical effect when implementing.

The advantage of the utility model the best is:

Nut 30 pivots close fixedly behind cut-off knife 10 and the excision cut-off knife 20 fit screw piece 40 again, make it to approximate fixedly cut-off knife 10 and the thickness that excises cut-off knife 20 in the length of combination rear nut 30 and screw piece 40, whole cutter is cut the thinnest state that is, therefore when cutting object, the object that cuts is along fixedly cut-off knife 10 is cropped with the blade of excision cut-off knife 20, the object that cuts is the obstruction of screw piece 40 and produce the phenomenon of object bending, this great advantage promptly of the present utility model for this reason.

Another embodiment of the present utility model, through hole 32 at nut 30 can be the screw shape, and the fit end 41 of screw piece 40 is the thread shape, and so nut 30 is fixedly shape of screw lock with screw piece 40, and so fixedly cut-off knife 10 also has the effect that changes with excision cut-off knife 20.

In addition, the utility model what deserves to be mentioned is that as shown in Figure 7, structure of the present utility model can apply to any cutter and cut, as cutter cut, hedge clipper or any cutter cut.

In sum, it is higher that ratchet spanner structure of the present utility model has value, more wield advantage.

Claims

1, a kind of cutter shear structure, its consist predominantly of one fixedly cut-off knife, excision cut-off knife, a nut and a screw piece form jointly, it is characterized in that:

One fixedly the cut-off knife appropriate position establish a circular hole, circular hole can wear a nut; One excision cut-off knife is established a holddown groove at effect end with respect to fixing cut-off knife circular hole place, and the step surface of holddown groove confession nut fastens; One nut integral body stretches through at the circular hole of fixing cut-off knife and the holddown groove of excision cut-off knife, and the step surface of nut fastens with the holddown groove of excision cut-off knife again, and nut is established a through hole in central appropriate position; One screw piece is a T type slightly, below protrude out a fit end, the fit end can be fixed on the through hole of nut.

2, a kind of cutter shear structure as claimed in claim 1 is characterized in that: fixedly cut-off knife is established a nose and is made and can engage a flexible member one end in the lever inboard, and the excision cut-off knife is also established a nose in the lever inboard can engage flexible member end in addition.

3, a kind of cutter shear structure as claimed in claim 1 is characterized in that: the holddown groove of excision cut-off knife can be circle or hexagon, and the step surface of nut also is identical shape.

4, a kind of cutter shear structure as claimed in claim 1, it is characterized in that: the through hole at nut can be the screw shape, and the fit end of screw piece is the thread shape, and nut and screw piece are fixedly shape of screw lock.