CN209007330U - A kind of angle grinder angle grinding replacement auxiliary device - Google Patents

Abstract

The utility model discloses a kind of angle grinder angles to be ground replacement auxiliary device, including holding wheel, pawl disk and inner disc, integrally formed with equally distributed hold wheel bayonet lock in the wheel lower surface of holding, the wheel bayonet lock of holding clamps pawl disk, the wheel center rotating of holding is equipped with dead axle cylinder, integrally formed with inner disc bayonet lock, inner disc bayonet lock described in upper end clamps dead axle cylinder lower end for inner disc upper surface inner edge and lower end surface inner edge；Wheel is held by rotation, by the screw thread engagement of screw thread edge and screw thread slide plate, so that four screw thread slide plates inside contract, then auxiliary clamping is carried out to screw thread piece by clamp column, while is limited by the clamping of positioning pin, further rotated, screw thread is locked, then drives chuck to be rotated by holding wheel, so that reverse thread piece loosens, it realizes easy to disassemble, whole device is small and exquisite, easy to operate, while being assisted by clamp column, the torsion for reducing positioning pin receiving, extends service life.

Description

A kind of angle grinder angle grinding replacement auxiliary device

Technical field

The utility model relates to angles to be ground replacement engineering device technique field, and specially a kind of angle grinder angle is ground replacement auxiliary Device.

Background technique

The grinding of angle grinder established angle is filled surely using reverse thread, and needs to tear open reverse thread piece in disassembly process Dress realizes the replacement that is diagonally ground, and the existing disassembling apparatus to reverse thread piece is mostly special wrench set, this spanner due to The operational requirements shaken hands, usual radius is larger, then needs angle grinder carrying out turning operation, increases operating quantity, thus I Propose a kind of angle grinder angle grinding replacement auxiliary device.

Utility model content

The purpose of this utility model is to provide a kind of angle grinder angles to be ground replacement auxiliary device, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides the following technical solutions a kind of angle grinder angle grinding replacement auxiliary dress It sets, including holds wheel, pawl disk and inner disc, it is described to hold wheel lower surface and hold wheel bayonet lock integrally formed with equally distributed, it is described to hold wheel card Pin card fills pawl disk, and the wheel center rotating of holding is equipped with dead axle cylinder, and inner disc upper surface inner edge and lower end surface inner edge are integrated Inner disc bayonet lock is formed, inner disc bayonet lock described in upper end clamps dead axle cylinder lower end, and inner disc bayonet lock described in the lower end clamps card Disk, the chuck lower end surface are clamped there are four equally distributed positioning pin, and inner disc lower surface periphery opens up that there are four uniformly The sliding slot of distribution is slidably fitted with screw thread slide plate in the sliding slot, and the wheel lower surface of holding is integrally formed with screw thread edge, the spiral shell Line edge is rotatablely installed between pawl disk and inner disc, and the screw thread edge lower thread engages screw thread slide plate upper surface, the screw thread slide plate Outer end is welded with clamp column.

Preferably, the positioning pin includes shank, and the shank lower end offers leading edge, the shank upper end one at Type has the pin that is loaded surely.

Preferably, the clamp column includes pin, and the outer half cycle of the pin offers interior profile, the interior profile one at Type has anti-skidding pointed tooth.

Preferably, the chuck hub offers chuck through-hole, and the interior disk center offers inner disc through-hole, the chuck Through-hole diameter, inner disc through-hole diameter are identical as dead axle cylinder diameter.

Preferably, described hold is equipped with positioning bearing between wheel and dead axle cylinder.

Preferably, in the pawl disk disk lower surface open up it is fluted.

Compared with prior art, the utility model has the beneficial effects that wheel is held by rotation, it is sliding by screw thread edge and screw thread The screw thread engagement of plate then carries out auxiliary clamping to screw thread piece by clamp column, simultaneously so that four screw thread slide plates inside contract It is limited by the clamping of positioning pin, is further rotated, screw thread is locked, then drives chuck to be rotated by holding wheel, so that instead It being loosened to screw thread piece, realization is easy to disassemble, and whole device is small and exquisite, and it is easy to operate, while being assisted by clamp column, reduce positioning The torsion born is sold, service life is extended.

Detailed description of the invention

Fig. 1 is the utility model main cross section structure diagram；

Fig. 2 is the utility model present invention looks up structural representation；

Fig. 3 is the utility model locating pin structure schematic diagram；

Fig. 4 is the utility model clamp column structural schematic diagram.

In figure: 1, hold wheel, 2, chuck through-hole, 3, positioning pin, 31, shank, 32, leading edge, 33, be loaded pin surely, 4, chuck, 5, screw thread slide plate, 6, clamp column, 61, cylinder, 62, interior profile, 63, anti-skidding pointed tooth, 7, pawl disk, 8, positioning bearing, 9, inner disc it is logical Hole, 10, inner disc, 11, dead axle cylinder, 12, screw thread edge, 13, hold wheel bayonet lock, 14, inner disc bayonet lock, 15, sliding slot.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of angle grinder angle grinding replacement auxiliary dress It sets, including holds wheel 1, pawl disk 7 and inner disc 10, be the dominant touch structure of device, by holding operation of 1 realization of wheel to device, pawl Disk 7 coats internal structure, and inner disc 10 is the main connection centre structure of device, and 1 lower surface of wheel of holding is integrally formed There is equally distributed hold to take turns bayonet lock 13, the convenient clamping to pawl disk 7, the wheel bayonet lock 13 of holding clamps pawl disk 7, described to hold in wheel 1 The heart is rotatably equipped with dead axle cylinder 11, by rotation connection, so that inner disc 10 is able to carry out relative rotation, the inner disc with wheel 1 is held 10 upper surfaces inner edge and lower end surface inner edge facilitate connection dead axle cylinder 11 and chuck 4, upper end institute integrally formed with inner disc bayonet lock 14 The inner disc bayonet lock 14 stated clamps 11 lower end of dead axle cylinder, and inner disc bayonet lock 14 described in the lower end clamps chuck 4, and realization effectively connects Connect, 4 lower end surface of chuck is clamped there are four equally distributed positioning pin 3, the location hole that cooperation reverse thread on piece opens up into Row positioning disassembly, the 10 lower surface periphery of inner disc are opened up there are four equally distributed sliding slot 15, provide restriction for screw thread slide plate 5 Sliding basis, while 5 rotatory force of screw thread slide plate is passed into inner disc 10 and chuck 4, screw thread is slidably fitted in the sliding slot 15 Slide plate 5, upper surface offer the screw thread of matching screw thread edge 12, by being threadedly engaged the cooperation realized and stretched to screw thread slide plate 5, Integrally formed with screw thread edge 12, matching thread slide plate 5 realizes the cooperation clamped to clamp column 6, the spiral shell for 1 lower surface of wheel of holding Line edge 12 is rotatablely installed between pawl disk 7 and inner disc 10, and 12 lower thread of screw thread edge engages 5 upper surface of screw thread slide plate, is realized Effective power transmission, 5 outer end of screw thread slide plate are welded with clamp column 6, clamp to the outer rim of reverse thread piece, auxiliary Positioning pin 3 is dismantled.

Specifically, the positioning pin 3 includes shank 31, it is the main structure of positioning pin 3,31 lower end of shank opens up There is leading edge 32, shank 31 is facilitated to be caught in the card hole of reverse thread piece, 31 upper end of shank is integrally formed with the pin that is loaded surely 33, shank 31 is installed on 4 lower surface of chuck.

Specifically, the clamp column 6 includes pin 61, it is the main structure of clamp column 6, the outer half cycle of the pin 61 is opened Equipped with interior profile 62, weld 5 direction of screw thread slide plate towards clamp column 6, provide molding space for anti-skidding pointed tooth 63, it is described in cut open Face 62 is engaged reverse thread piece outer rim by micro- wedge effect integrally formed with anti-skidding pointed tooth 63, increases frictional force.

Specifically, 4 center of chuck offers chuck through-hole 2, facilitate passing through for angle grinder shaft, the inner disc 10 Center offers inner disc through-hole 9, increases extension space, avoids the occurrence of and limits stuck, 2 diameter of chuck through-hole, inner disc through-hole 9 Diameter is identical as 11 diameter of dead axle cylinder.

Specifically, described hold is equipped with positioning bearing 8 between wheel 1 and dead axle cylinder 11, rotation friction is reduced, operation is facilitated And increase the stability of installation.

Specifically, lower surface opens up fluted in 7 disk of pawl disk, the opposite of screw thread slide plate 5 and clamp column 6 is facilitated to turn It is dynamic.

Working principle: the fixed reverse thread on piece of angle grinding is clamped in use, device is coincide, rotation is held wheel 1, passed through The screw thread engagement of screw thread edge 12 and screw thread slide plate 5 then makes clamp column 6 to reversed so that four screw thread slide plates 5 inside contract Screw thread piece is clamped, while being limited by the clamping of positioning pin 3, is further rotated, and screw thread is locked, logical by holding 1 torsion of wheel It crosses screw thread slide plate 5 and is transmitted to inner disc 10 and be transmitted to chuck 4 again, so that reverse thread piece loosens, realize that is be diagonally ground tears open It unloads.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of angle grinder angle is ground replacement auxiliary device, including holds wheel (1), pawl disk (7) and inner disc (10), feature exists In: it is described hold wheel (1) lower surface integrally formed with it is equally distributed hold wheel bayonet lock (13), it is described hold wheel bayonet lock (13) clamp pawl disk (7), described wheel (1) center rotating of holding is equipped with dead axle cylinder (11), and inner disc (10) the upper surface inner edge and lower end surface inner edge are equal Integrally formed with inner disc bayonet lock (14), inner disc bayonet lock (14) described in upper end clamps dead axle cylinder (11) lower end, described in the lower end Inner disc bayonet lock (14) clamp chuck (4), chuck (4) lower end surface clamps that there are four equally distributed positioning pin (3), described Inner disc (10) lower surface periphery is opened up there are four equally distributed sliding slot (15), and the interior screw thread that is slidably fitted with of the sliding slot (15) is slided Plate (5), wheel (1) lower surface of holding integrally formed with screw thread edge (12), screw thread edge (12) rotational installation pawl disk (7) with it is interior Between disk (10), screw thread edge (12) lower thread engages screw thread slide plate (5) upper surface, screw thread slide plate (5) the outer end weldering It is connected to clamp column (6).

2. a kind of angle grinder according to claim 1 angle is ground replacement auxiliary device, it is characterised in that: the positioning pin It (3) include shank (31), shank (31) lower end offers leading edge (32), and shank (31) upper end is integrally formed with fixed Be loaded pin (33).

3. a kind of angle grinder according to claim 1 angle is ground replacement auxiliary device, it is characterised in that: the clamp column It (6) include pin (61), the outer half cycle of the pin (61) offers interior profile (62), and the interior profile (62) is integrally formed with anti- Sliding pointed tooth (63).

4. a kind of angle grinder according to claim 1 angle is ground replacement auxiliary device, it is characterised in that: the chuck (4) center offers chuck through-hole (2), and inner disc (10) center offers inner disc through-hole (9), and the chuck through-hole (2) is straight Diameter, inner disc through-hole (9) diameter are identical as dead axle cylinder (11) diameter.

5. a kind of angle grinder according to claim 1 angle is ground replacement auxiliary device, it is characterised in that: described to hold wheel (1) positioning bearing (8) is equipped between dead axle cylinder (11).

6. a kind of angle grinder according to claim 1 angle is ground replacement auxiliary device, it is characterised in that: the pawl disk (7) in disk lower surface open up it is fluted.