CN206153605U - Internal expanding plane chamfer anchor clamps - Google Patents

Abstract

The utility model discloses an internal expanding plane chamfer anchor clamps, including plug, the piece that rises, the piece push -and -pull piece that rises, O type circle, plug one end is equipped with first locating hole and is equipped with the second locating hole and rises by piece push -and -pull piece with location bulge loop, the plug other end, the piece push -and -pull piece that rises is fixed on the plug with second locating hole matched with hexagon socket head cap screw through one, is equipped with the first draw -in groove of round on the piece push -and -pull piece lateral wall that rises, and the contact jaw of rise piece and plug is equipped with first bulge loop, the cladding has the identical pieces that rise of a plurality of piece on the plug, and the cladding is risen by the position of piece and is frustum of a cone shape on the plug, it is equipped with a plurality of third draw -in grooves to rise by the piece outside, and O type circle inlays in a plurality of the annular grooves that the third draw -in groove on the piece that is risen by all formed. The utility model discloses a piece that will rise combines together with the piece push -and -pull piece that rises for pipe fitting downthehole of treating processing reaches a tensioning force that ab intra is outside, makes the pipe fitting can be by abundant fixed, has guaranteed the centre gripping effect of anchor clamps.

Description

A kind of internal expanding plane chamfering fixture

【Technical field】

The utility model is related to the technical field of the technical field of machine-building, particularly fixture.

【Background technology】

Pipe fitting workpiece be in a kind of mechanical processing process commonly use workpiece, the processing or welding process in some pipe fitting workpiece In need pipe fitting fixation.Often be fixed using fixture in process of production, it is relatively large for some external diameters and The relatively long pipe fitting of length, not only needs to be fixed in outside, in addition it is also necessary to be fixed inside pipe fitting, and fixation has been reached Firm purpose.Existing fixture can not well meet requirement.

【Utility model content】

The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of internal expanding plane chamfering fixture, energy Pipe fitting inner wall is effectively fixed, prevent pipe fitting from shifting in process.

For achieving the above object, the utility model proposes a kind of internal expanding plane chamfering fixture, including plug, the piece that rises, rise Piece push-and-pull block, O-ring, described plug one end is provided with the first location hole and positioning convex ring, and the plug other end is provided with the second location hole With the piece push-and-pull block that rises, the piece push-and-pull block that rises is fixed on plug by a hexagon socket head cap screw being engaged with the second location hole, The piece push-and-pull block side wall that rises is provided with first draw-in groove of circle, and the piece that rises is provided with the first bulge loop with the contact jaw of plug, wraps on the plug If being covered with the identical piece that rises of dry plate, on plug cladding rise piece position in truncated cone, the piece inner side of rising is provided with and the The second boss that one draw-in groove is engaged, piece inner side of rising is provided with the second draw-in groove being engaged with the first bulge loop, and the piece outside of rising sets There are some articles of the 3rd draw-in grooves, O-ring is embedded in some articles of annular grooves formed by all the 3rd draw-in grooves risen on piece.

Preferably, first location hole and the second location hole are located at respectively on two end faces of plug.

Preferably, the piece quantity that rises is for 3-8 pieces, there is 2-4 article of the 3rd draw-in groove on the piece that rises per piece, corresponding to second boss Rise piece outside be provided with one article of the 3rd draw-in groove.

The beneficial effects of the utility model：The utility model is combined by will rise piece and the piece push-and-pull block that rises so as to be added An expanding force from inside to outside is can reach in the hole of the pipe fitting of work so that pipe fitting can be fixed fully, it is ensured that the folder of fixture Holding effect fruit；First location hole and positioning convex ring cooperate, but pipe fitting is effectively positioned；The setting of O-ring causes to rise Piece can preferably play a role, it is to avoid rises the inconsistent phenomenon that occur between piece.

Feature of the present utility model and advantage will combine accompanying drawing and be described in detail by embodiment.

【Description of the drawings】

Fig. 1 is a kind of front view of internal expanding plane chamfering fixture of the utility model.

In figure：Rise piece, 3- of 1- plugs, 2- rises piece push-and-pull block, 4- hexagon socket head cap screws, 5-O type circles, 10- positioning convex rings, 11- First location hole, the location holes of 12- second, 21- second boss, the draw-in grooves of 22- second, the draw-in grooves of 23- the 3rd, the draw-in grooves of 31- first, 32- Second bulge loop.

【Specific embodiment】

Refering to Fig. 1, a kind of internal expanding plane chamfering fixture of the utility model, including plug 1, the piece 2 that rises, rise piece push-and-pull block 3, O Type circle 5, one end of the plug 1 is provided with the first location hole 11 and positioning convex ring 10, and the other end of plug 1 is provided with the He of the second location hole 12 Rise piece push-and-pull block 3, and the piece push-and-pull block 3 that rises is fixed on plug 1 by a hexagon socket head cap screw 4 being engaged with the second location hole 12 On, the side wall of piece push-and-pull block 3 that rises is provided with first draw-in groove of circle 31, and the piece 2 that rises is provided with the first bulge loop with the contact jaw of plug 1, described If being coated with the identical piece 2 that rises of dry plate on plug 1, the position of the piece 2 that rises is coated on plug 1 in truncated cone, the piece 2 that rises Inner side is provided with the second boss 21 being engaged with the first draw-in groove 31, and the inner side of piece 2 of rising is provided with the second card being engaged with the first bulge loop Groove 22, the outside of piece 2 of rising is provided with some articles of the 3rd draw-in grooves 23, and O-ring 5 is embedded in by all institutes of the 3rd draw-in groove 23 risen on piece 2 In some annular grooves for being formed, the location hole 12 of first location hole 11 and second is respectively positioned at two end faces of plug 1 On, the quantity of piece 2 that rises is 3-8 pieces, there is 2-4 article of the 3rd draw-in groove 23, the piece 2 that rises corresponding to second boss 21 on the piece 2 that rises per piece Outside is provided with one article of the 3rd draw-in groove 23.

Utility model works process：

In the course of the work, rise piece 2 and the piece push-and-pull block 3 that rises combine a kind of internal expanding plane chamfering fixture of the utility model, So that can reach an expanding force from inside to outside in the hole of pipe fitting to be processed so that pipe fitting can be fixed fully, it is ensured that The clamping effect of fixture；First location hole 11 and positioning convex ring 10 cooperate, but pipe fitting is effectively positioned；O-ring 5 The setting piece 2 that enables to rise preferably play a role, it is to avoid rise and inconsistent phenomenon occurs between piece 2.

Above-described embodiment be to explanation of the present utility model, be not to restriction of the present utility model, it is any new to this practicality Scheme after type simple transformation belongs to protection domain of the present utility model.

Claims (3)

1. a kind of internal expanding plane chamfering fixture, it is characterised in that：Including plug (1), the piece that rises (2), rise piece push-and-pull block (3), O-ring (5), described plug (1) one end is provided with the first location hole (11) and positioning convex ring (10), and plug (1) other end is provided with the second positioning Hole (12) and piece push-and-pull block (3) that rises, piece push-and-pull block (3) that rises is by an interior hexagonal spiral shell being engaged with the second location hole (12) Bolt (4) is fixed on plug (1), and piece push-and-pull block (3) the side wall that rises is provided with the first draw-in groove of a circle (31), the piece that rises (2) and plug (1) Contact jaw be provided with the first bulge loop, the plug (1) if on be coated with the identical piece that rises (2) of dry plate, on plug (1) coat Rise piece (2) position in truncated cone, the piece that rises (2) inner side is provided with the second boss being engaged with the first draw-in groove (31) (21) piece (2) inner side of, rising is provided with the second draw-in groove (22) being engaged with the first bulge loop, and the piece that rises (2) outside is provided with some 3rd draw-in groove (23), O-ring (5) is embedded in some articles of annular grooves formed by the 3rd draw-in groove (23) on all pieces that rise (2) It is interior.

2. a kind of internal expanding plane chamfering fixture as claimed in claim 1, it is characterised in that：First location hole (11) and Two location holes (12) are respectively on two end faces of plug (1).

3. a kind of internal expanding plane chamfering fixture as claimed in claim 1, it is characterised in that：The piece that rises (2) quantity is 3-8 Piece, there is 2-4 article of the 3rd draw-in groove (23) on the piece (2) that rises per piece, the piece that rises (2) corresponding to second boss (21) outside is provided with one article the Three draw-in grooves (23).