CN205250662U

CN205250662U - Clamp

Info

Publication number: CN205250662U
Application number: CN201520822685.8U
Authority: CN
Inventors: 小林直树
Original assignee: Kobayashi Engineering Works Ltd
Current assignee: Kobayashi Engineering Works Ltd
Priority date: 2015-01-19
Filing date: 2015-10-22
Publication date: 2016-05-25
Anticipated expiration: 2025-10-22
Also published as: FR3031659B3; FR3031659A3; JP2016131672A

Abstract

The utility model relates to a clamp in the clamp of centre gripping facial (2) is regarded as at the relative position of the opening front end with switching operation board (1) freely, realizes making the centre gripping of centre gripping object (A) stable through simple structure, does not worry and is cut off by the front end to centre gripping facial (2) that skin can not arrived by the front end wound. When making centre gripping facial (2) form to the uplift bend plane, make the uplift bend plane becomes fine mat surface, remains silent and makes will operating the board during the facial butt of centre gripping, the front end is close to to the butt position that becomes centre gripping position (21) to distolateral formation is the shape of crack mouthful (22) from this butt position before.

Description

Fixture

Technical field

The utility model relates to a kind of fixture, as the plucker of being extracted for clamping thin-line-shaped thing, pull out bone object etc.

Background technology

Known have as plucker, the fixture that pulls out bone object etc., base end part warpage is that U shape makes the front end that opens and closes operation board freely to opposite side bending, and using opposing end surface as the facial formation of clamping, with welding that base end part is overlapped, form to the outstanding opposite face of opposite side and the facial formation of conduct clamping in the open front that opens and closes operation board freely.

Clamping face is by being formed as plane (patent documentation 1), interlock cascaded surface (patent documentation 2) or male and fomale(M&F) (patent documentation 3), by the opening and closing operations of aforementioned operation board, to clamp object (hair, fish-bone etc.) with clamping part suppresses and keeps and extract.

Particularly, while being formed as acute angle due to the facial front edge of aforementioned clamping, aforementioned front end position likely makes skin injured, has therefore proposed aforementioned front edge to be formed as the curvilinear scheme (patent documentation 1,2,3) with fillet.

Prior art document

Patent documentation

No. 3027591 communique of [patent documentation 1] registration utility model

[patent documentation 2] Japanese Patent Application Publication 2007-82923 communique

No. 3059591 communique of [patent documentation 3] registration utility model

Utility model content

The problem that utility model will solve

The clamping face of fixture is generally plane, the fat constituent etc. that divides, is attached to bone due to the fat of hair makes to clamp object and sends out sliding and possibly cannot extract smoothly, to having proposed the scheme of interlock cascaded surface in this above-mentioned patent documentation 2, and patent documentation 3 has proposed the scheme of male and fomale(M&F).

But the angle of above-mentioned clamping face processability from manufacturing may not be simple. In the process of this external use fixture, under the state of clamping clamping object, utensil is tilted and when the angle butt of clamping object and the facial front end of clamping from clamp position, clamping object (hair, fish-bone etc.) can be cut off and cannot reach the object of extracting. In above-mentioned patent documentation 1,2,3, although the facial front edge of clamping is formed as to circle for foregoing problems, do not solve the problem of clamping face.

At this, the utility model proposes and there is the stability while clamping at the clamping face of realizing to be easy to processing, realize the fixture that clamps the not cut Novel clamping face of object while use.

The scheme of dealing with problems

Fixture of the present utility model, using the relative position of the open front of switching operation board freely as the facial fixture of clamping, wherein, aforementioned clamping face is formed as curved face, and making aforementioned curved face is fine matsurface, while making the facial butt of aforementioned clamping operation board is remained silent, the butt position of relative curved portion approaches front end, and front becomes the shape of crack mouthful from butt position.

Thereby, due to utensil was identical in the past, clamp clamping object and extract this object (hair, fish-bone) by the clamping face of utensil front end, therefore this object is only clamped in the facial butt retaining part (linear belt of cross-section front base direction) of clamping, thereby the power of the direction of remaining silent of operation board concentrates on this position and keeps strong chucking power, in addition because aforementioned clamping face is formed as fine matsurface, thereby in the time extracting, also greatly reduce the possibility of this object slippage. In addition,, because front from butt position (retaining part) is crack mouthful, even if therefore tilt extracting utensil in operation, the angle of front end can not make this object just not extract to be cut off yet.

In addition in the fixture of optimal way of the present utility model, clamp facial open front edge and be formed as R shape. Because the facial open front edge of clamping is specifically formed as R shape, therefore, in the time extracting hair, its front end can not hurt skin.

Utility model effect

Formation of the present utility model is as above aforementioned, owing to being that front end is the simple structure that the curved face of opening and this flexure plane are formed as fine matsurface when clamping face is formed as clamping, therefore as existing utensil, the front end of the operation board facial as clamping is accurately docked, even relative under the state tilting, also can easily form curved face and there is the advantage in manufacture, simultaneously, also improve the stability to extracting object clamping, and eliminated the worry of cutting off in use clamping object.

Brief description of the drawings

Fig. 1 is the overall perspective view of the utility model the first embodiment.

Fig. 2 is the enlarged drawing of the use state (state when clamping) of the first embodiment.

Fig. 3 is the key diagram (while forming matsurface) of the manufacturing process of the first embodiment.

Fig. 4 is the key diagram (demonstration grinding state) of the manufacturing process of the first embodiment.

Fig. 5 is the overall perspective view of the utility model the second embodiment.

Fig. 6 is the anterior enlarged drawing (front view) of the second embodiment.

Fig. 7 is the key diagram (while forming matsurface) of the manufacturing process of the second embodiment.

Detailed description of the invention

Below embodiment of the present utility model is described. Fig. 1 to Fig. 4 has shown the first embodiment using mainly as pulling out bone object tool, its basic comprising is identical with existing utensil, the base end part of operation board 1 bends as U shape and opens and closes freely, and the front end of aforementioned operation board 1, to opposite side bending, makes end face relatively as clamping face 2.

Especially, in the utility model, make aforesaid clamping face 2 become curved face shape, aforesaid being fabricated to, makes the elongated plate-like of regulation shape operate the two ends of board 1, be formed as curved face 2a by punch process, then for aforementioned curved face 2a, example as shown in Figure 4, is used the grinding stone B with the abradant surface corresponding with curved face 2a, form fine matsurface 2b at curved face 2a, and further will operate board 1 and bend as clamping face 2. Especially, if form curved face 2a by punch process, curved face solidifies and becomes shiny surface. Then, consider the strengthening of clamping action while use, make matsurface 2b.

In addition, when aforesaid operation board 1 bends, the front end face that does not need to make to operate board 1 is accurately relative, as long as clamping face 2 becomes the curved face shape of regulation, thereby aforesaid curved face is shaped as, while making to clamp facial 2 butt operation board 1 is remained silent, front (1mm left and right) in the butt position that becomes retaining part 21 has crack mouthful 22 (front opening width 0.1mm left and right), further, open front edge 23 does not become the pointed shape of point of a knife shape, and is formed as R shape (without angle of throat shape).

And, the utensil of aforementioned the first embodiment, due to in the past to pull out bone object identical, clamp clamping object (fish-bone) A and extract by the clamping face 2 of utensil front end, therefore this object A is only clamped in the retaining part (linear belt of cross-section front base direction) 21 of clamping face 2, thereby power operation board 1 being applied on opening direction in order to clamp operation, all concentrate on the retaining part 21 of linear belt, and clamping object (fish-bone) A is in being maintained by strong chucking power, can slippage clamping in the time extracting because this retaining part becomes matsurface.

In addition, due to the existence of the opening 22 of the front of clamping face 2, even extracting in operation utensil, this object A also can move (angle variation) in the scope of this opening 22, object A can be not cross over and contact openings front edge 23, therefore can not cut off object A, can extract reliably operation.

Further, because the open front edge 23 of clamping face 2 is formed as R shape, therefore do not worry being hurt by this front edge 23.

Fig. 5 to Fig. 7 has shown the second embodiment using mainly as plucker, its basic comprising is, the overlap welding and opening and closing freely of the base end part of operation board 3, forms to the outstanding opposite face of opposite side as clamping face 4 in the open front of aforementioned operation board 3.

In the utility model, make aforesaid clamping face 4 and the first embodiment similarly become curved face shape, aforesaid being fabricated to, make one end of the elongated plate-like operation board 3 of regulation shape be formed as curved face 4a by punch process, then by aforementioned curved face 4a, be processed to form as fine matsurface 4b by example sandblast as shown in Figure 7, especially, aforementioned curved face is shaped as, make to operate board 3 relatively and weld base end part, closed procedure board 3 and while making to clamp facial 4 butt, be the retaining part 41 of cross-section wire butt, than front end slightly to proximal direction place, and this front extreme direction has opening 42, and open front edge 43 is formed as small R shape.

Thereby, the utensil of the second embodiment, identical with aforementioned the first embodiment, when clamping clamping object (hair, thorn) and extract due to the clamping face 4 by utensil front portion, only clamp at retaining part 41 places of the clamping face 4 that is formed as matsurface, therefore to the operation force concentration of operation board 1 in this retaining part 41, and remain strong chucking power.

In addition,, because the open front edge 43 of clamping face 4 is formed as R shape, therefore, in the time stinging for pulling off the feather of, pulling out, do not worry that open front edge 43 hurts skin.

It should be noted that, although the formation of matsurface in the first embodiment and the second embodiment has adopted grinding and sandblast processing, can adopt as any means such as punch process, chemical treatments (corrosion treatment).

Symbol description

1,3 operation board

2,4 clamping faces

2a, 4a curved face

2b, 4b matsurface

21,41 retaining parts

22,42 openings

23,43 open front edges

Claims

1. a fixture, described fixture is facial as clamping using the relative position of the open front of switching operation board freely, it is characterized in that,

Described clamping face is formed as curved face, and making described curved face is matsurface, while making the facial butt of described clamping operation board is remained silent, the butt position of relative curved portion approaches front end, and front becomes the shape of crack mouthful from butt position.

2. fixture according to claim 1, wherein, clamps facial open front edge and is formed as R shape.

3. fixture according to claim 1 and 2, wherein, is ground and is formed matsurface by grinding stone parts.

4. fixture according to claim 1 and 2, wherein, forms matsurface by sandblast.

5. fixture according to claim 1 and 2, wherein, forms matsurface by punch process.

6. fixture according to claim 1 and 2, wherein, the base end part bending that operates board is U shape and opens and closes freely, makes the front end opposing end surface bending to opposite side and that obtain of described operation board facial as clamping.

7. fixture according to claim 3, wherein, the base end part bending that operates board is U shape and opens and closes freely, makes the front end opposing end surface bending to opposite side and that obtain of described operation board facial as clamping.

8. fixture according to claim 4, wherein, the base end part bending that operates board is U shape and opens and closes freely, makes the front end opposing end surface bending to opposite side and that obtain of described operation board facial as clamping.

9. fixture according to claim 5, wherein, the base end part bending that operates board is U shape and opens and closes freely, makes the front end opposing end surface bending to opposite side and that obtain of described operation board facial as clamping.

10. fixture according to claim 1 and 2, wherein, freely, the open front of described operation board is given prominence to and is formed opposite face as clamping face to opposite side for the base end part coincidence welding of operation board and switching.

11. fixtures according to claim 3, wherein, freely, the open front of described operation board is given prominence to and is formed opposite face as clamping face to opposite side for the base end part coincidence welding of operation board and switching.

12. fixtures according to claim 4, wherein, freely, the open front of described operation board is given prominence to and is formed opposite face as clamping face to opposite side for the base end part coincidence welding of operation board and switching.

13. fixtures according to claim 5, wherein, freely, the open front of described operation board is given prominence to and is formed opposite face as clamping face to opposite side for the base end part coincidence welding of operation board and switching.