CN108511145A

CN108511145A - Fast demountable is in the telescopic magnetic absorbing seat of sleeve

Info

Publication number: CN108511145A
Application number: CN201710104113.XA
Authority: CN
Inventors: 胡厚飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-02-24
Filing date: 2017-02-24
Publication date: 2018-09-07
Anticipated expiration: 2037-02-24
Also published as: CN108511145B

Abstract

The present invention provides a kind of fast demountable in the telescopic magnetic absorbing seat of sleeve comprising：One magnetic attracting device comprising the first end of a first end and a second end, magnetic attracting device has magnetism；An and removable positioning device, it has a connecting pin, the connecting pin of removable positioning device is slidedly arranged on the second end of magnetic attracting device, magnetic attracting device is set to generate axial sliding relationship relative to removable positioning device, removable positioning device has a quick dismounting device of elasticity in contrast to one end of connecting pin, elasticity quickly dismounting device enable the fast quick-detach of removable positioning device be installed on sleeve.Whereby, when sleeve damages, telescopic magnetic absorbing seat can quickly separate from sleeve and be installed up to another new sleeve.

Description

Fast demountable is in the telescopic magnetic absorbing seat of sleeve

Technical field

The present invention relates to a kind of magnetic absorbing seats, particularly with regard to a kind of fast demountable in the telescopic magnetic absorbing seat of sleeve.

Background technology

For the demand and facility in operation, have the magnetic devices for being arranged in sleeve and being resiliently displaceable at present, to In moving sleeve, while workpiece object is driven, and when taking out workpiece object, it also allows for taking out.

As shown in Figure 1, being existing magnetic-type driving instrument 10 comprising an ontology 11, a fixing device, fixation dress It sets with one first fixing piece 12 and one second fixing piece 13 that are connected and a magnetic attracting device 14.Ontology 11 has one to drive The working end 11b that moved end 11a and one is reversed, the first fixing piece 12 are incorporated into 15 side of lug boss in ontology 11 and close In driving end 11a, the second fixing piece 13 is then incorporated into the other side of lug boss 15 and is sheathed on 12 outer peripheral edge of the second fixing piece, magnetic It inhales 14 one end of device to be slidedly arranged on fixing device and device generation locating slip can be relatively fixed, 14 other end of magnetic attracting device then can Absorption work package is simultaneously relatively fixed device sliding along 11 axis of ontology.However, magnetic attracting device 14 and the combination of fixing device are packed into Can not be separated again after ontology 11, when the driving instrument 10 is damaged, internal magnetic attracting device 14 because can not separate and It can not be reloaded into another new driving instrument 10 and recycle so that the driving instrument 10 of damage must be together with internal component together It abandons, causes to waste.

Someone developed a kind of resilient sleeve 20 as shown in Figure 2 again later comprising a sleeve body 21, a magnetic receiver 22, a magnet 23, a spring 24 and a C-shaped buckle 25.Magnet 23 is installed in spring 24 in magnetic receiver 22, and 24 one end of spring It is resisted against magnet 23, and the combination of magnetic receiver 22, magnet 23 and spring 24 is installed in the accommodating space 26 of sleeve body 20, and 24 other end of spring is resisted against the bottom of accommodating space 26, and 25 installation settings of C-shaped button is in the outer rim of magnetic receiver 22, with to avoid Magnetic receiver 22 and the combination of magnet 23 are detached from from accommodating space 26.Also as aforementioned, when the combination of magnetic receiver 22 and magnet 23 It can not dismantle after being packed into sleeve body 21, when resilient sleeve 20 is damaged, can only be lost together with sleeve body 21 It abandons, causes to waste.

Invention content

To solve the above subject, the present invention discloses a kind of fast demountable in the telescopic magnetic absorbing seat of sleeve, to fast Speed dismounting is in sleeve, to remove telescopic magnetic absorbing seat when sleeve damages, together with telescopic magnetic absorbing seat when sleeve being avoided to damage It abandons together.

In order to achieve the above object, the present invention provides a kind of fast demountable in the telescopic magnetic absorbing seat of sleeve comprising：One magnetic Inhale device comprising the first end of a first end and a second end, magnetic attracting device has magnetism；An and removable positioning dress It sets, there is a connecting pin, the connecting pin of removable positioning device is slidedly arranged on the second end of magnetic attracting device, enables magnetic attracting device Axial sliding relationship is generated relative to removable positioning device, removable positioning device has a bullet in contrast to one end of connecting pin Property quick dismounting device, elasticity quickly dismounting device enable the fast quick-detach of removable positioning device be installed on sleeve.

Wherein, when being packed into sleeve, the telescopic magnetic absorbing seat is pushed along sleeve axial direction one end, you can quick-snap, When separating sleeve, the telescopic magnetic absorbing seat is pushed along the sleeve axial direction other end, you can be rapidly separated.

Wherein, quickly dismounting device is an Elastic buckle to elasticity, and there are one first external diameter, elasticity for removable positioning device tool For buckle tool there are one second external diameter, the second external diameter of Elastic buckle is more than the first external diameter of removable positioning device, makes elastic card Button can be buckled in sleeve inner edge, and Elastic buckle has a flexible deformation position, which can be for removable fixed Position device is freely extended through sleeve.

Wherein, spring there are one being set between magnetic attracting device and removable positioning device, makes magnetic attracting device relative to removable Original position can be returned back to after positioning device sliding.

Wherein, there are one the support portions relative to connecting pin for magnetic attracting device tool, when the support portion is connected to the connecting pin, The spring does not compress completely.

Wherein, magnetic attracting device includes one first shaft member and a magnet, and magnet is set to one end of the first shaft member, to provide magnetic Property, removable positioning device includes one second shaft member, and the second shaft member has the connecting pin, and the connecting pin of the second shaft member, which is slided, to be set In the second end of the first shaft member, quickly dismounting device is located at the one end of the second shaft member far from connecting pin to elasticity, and the first shaft member has One first limiting section, the second shaft member have one second limiting section, after spring makes magnetic attracting device return back to original position, described first Limiting section and the second limiting section can prevent spring that magnetic attracting device is detached from removable positioning device.

Wherein, removable positioning device further include one towards elasticity quickly dismounting device against edge, have against edge One third outer diameter is more than the first external diameter of removable positioning device against the third outer diameter of edge, make elastic quickly dismounting device with Against a construction section is formed between edge, the construction section is capable of the bulge loop of receiving sleeve inner edge.

Wherein, removable positioning device further includes a slide being slidedly arranged on outside the second shaft member, and one end of slide is for spring It pushes, is located at one end that slide is different from spring against edge.

Wherein, the second shaft member outer peripheral edge also has a third limiting section, and slide inner edge has one the 4th limiting section, third Limiting section and the 4th limiting section form backstop, and slide can be prevented to be detached from the second shaft member towards elastic quickly dismounting device direction.

Wherein, magnetic attracting device further includes a bearing, and bearing houses magnet and is fixedly arranged on jointly in the first shaft member, and spring is set Between bearing and removable positioning device, support zone is at bearing is relative to connecting pin.

Wherein, Elastic buckle is a C-shaped button being set in removable positioning device, and the section of the C-shaped button is circle, The endpoint of second external diameter is located at the outer most edge of C shape buttons, and the endpoint of first external diameter is located at the second shaft member of removable positioning device Neighbouring elastic card buckle.

Wherein, Elastic buckle is integrally formed in an overhead kick button in removable positioning device, the endpoint of second external diameter At the outer most edge of overhead kick button, the endpoint of first external diameter is located at the second shaft member of removable positioning device adjacent to Elastic buckle Place.

Wherein, Elastic buckle includes a steel ball and an elastomer, and steel ball and elastomer are embedded in removable positioning device, The endpoint of second external diameter is located at the outer most edge of steel ball, and the endpoint of first external diameter is located at the second shaft member neighbour of removable positioning device It is bordering on elastic card buckle.

Whereby, the telescopic magnetic absorbing seat of the present invention can fast assembling-disassembling in sleeve so that when sleeve damages, user can be from covering Cylinder quickly removes telescopic magnetic absorbing seat and shifts on new sleeve, avoids the sleeve of damage together with internal telescopic magnetic absorbing seat one And abandon, unnecessary waste is caused, and reduce the cost bought again.

Description of the drawings

Fig. 1 is existing magnetic-type driving instrument structure sectional view；

Fig. 2 is existing resilient sleeve structure sectional view；

Fig. 3 is fast demountable of the invention in the structural exploded view of the telescopic magnetic absorbing seat first embodiment of sleeve；

Fig. 4 is fast demountable of the invention in the structure constitutional diagram of the telescopic magnetic absorbing seat first embodiment of sleeve；

Fig. 5 is fast demountable of the invention in the structure sectional view of the telescopic magnetic absorbing seat first embodiment of sleeve；

Fig. 6 is that the fast demountable of the present invention is packed into the action signal of sleeve in the telescopic magnetic absorbing seat first embodiment of sleeve Figure shows that quickly dismounting device is located at physical slot to elasticity；

Fig. 7 is that the fast demountable of the present invention is packed into the action signal of sleeve in the telescopic magnetic absorbing seat first embodiment of sleeve Figure shows that quickly dismounting device is located at flexible deformation position to elasticity；

Fig. 8 is signal of the fast demountable of the present invention after the telescopic magnetic absorbing seat first embodiment of sleeve has been loaded into sleeve Figure；

Fig. 9 is fast demountable of the invention in the schematic diagram of the telescopic magnetic absorbing seat use state of sleeve；

Figure 10 is the fast demountable of the present invention in the telescopic magnetic absorbing seat second embodiment of sleeve, the quick removal dress of display elasticity It is set to overhead kick button；

Figure 11 is the fast demountable of the present invention in the telescopic magnetic absorbing seat 3rd embodiment of sleeve, the quick removal dress of display elasticity It is set to steel ball and spring.

Reference sign

（The prior art）

10 driving instruments

11 ontologies

11a drives end

The working ends 11b

12 first fixing pieces

13 second fixing pieces

14 magnetic attracting devices

15 lug bosses

20 resilient sleeves

21 sleeve bodies

22 magnetic receivers

23 magnet

24 springs

25 C-shaped buttons

26 accommodating spaces

（The present invention）

100 telescopic magnetic absorbing seats

30 magnetic attracting devices

31 first ends

32 second ends

33 first shaft member

331 first limiting sections

34 magnet

35 bearings

351 hold hole

36 support portions

37 snap-ons

40 removable positioning devices

41 second shaft member

411 second limiting sections

412 concave ring grooves

413 third limiting sections

414 radial slots

42 slides

421 the 4th limiting sections

43 connecting pins

44 against edge

45 construction sections

The 50 quick dismounting devices of elasticity

51 C-shaped buttons

52 overhead kick buttons

53 steel balls

54 elastomers

60 springs

70 work packages

200 sleeves

201 bulge loops

202 hexagon rings

203 square holes

D1 first external diameters

D2 second external diameters

D3 third outer diameters.

Specific implementation mode

Referring to each attached drawing detailed description of the present invention exemplary embodiment, and it is not intended to the technical principle of the present invention It is limited to specifically disclosed embodiment, and the scope of the present invention is only limited by claim, covers replacement, is changed and is waited Jljl.

It please refers to Fig. 3 to Fig. 9 and show the first embodiment of the present invention, a kind of fast demountable is provided in the present embodiment In the telescopic magnetic absorbing seat 100 of sleeve 200 comprising a magnetic attracting device 30 and a removable positioning device 40.

Magnetic attracting device 30 includes a first end 31 and a second end 32, and first end 31 has magnetism.In the present embodiment, magnetic Inhaling device 30, there is one first shaft member 33 and a magnet 34, magnet 34 to be set to one end of the first shaft member 33, to provide magnetism, and the Two ends 32 are located at the one end of the first shaft member 33 in contrast to magnet 34.In addition, magnetic attracting device 30 further includes a bearing 35, bearing 35 has There is an appearance hole 351, is fixedly arranged on jointly in the first shaft member 33 with accommodating magnet 34, so that bearing 35 will not be from 33 end of the first shaft member Portion is detached from.

Removable positioning device 40 includes one second shaft member 41 and a slide 42, and slide 42 is slidedly arranged on outside the second shaft member 41 Edge.In addition, removable positioning device 40 further includes a connecting pin 43 and one be reversed against edge 44, the second shaft member 41 has The connecting pin 43 is then located at the one end of slide 42 in contrast to connecting pin 43, and the connecting pin of the second shaft member 41 against edge 44 43 are slidedly arranged on the second end 32 of the first shaft member 33.Wherein, magnetic attracting device 30 can generate axis relative to removable positioning device 40 To sliding relationship.

Removable positioning device 40 has an elasticity quickly dismounting device 50, elasticity fast in contrast to one end of the connecting pin 43 What fast dismounting device 50 enable the fast quick-detach of removable positioning device 40 is installed on sleeve 200.In the present embodiment, elasticity is fast Fast dismounting device 50 is an Elastic buckle, has a second external diameter D2, and there are one outside first for the tool of removable positioning device 40 Diameter D1, second external diameter D2 are more than first external diameter D1.Wherein, Elastic buckle is second shaft member for being set to removable positioning device 40 The section of C-shaped button 51 on 41 concave ring groove 412, the C-shaped button 51 is circle, the endpoint position of the second external diameter D2 At the outer most edge of C-shaped button 51, the endpoint of the first external diameter D1 is located at 41 neighbour of the second shaft member of removable positioning device 40 At nearly Elastic buckle, so that Elastic buckle can be buckled in 200 inner edge of sleeve, and Elastic buckle has a flexible deformation position, At flexible deformation position, Elastic buckle generates radial direction and inside contracts and can freely be extended through sleeve for removable positioning device 40 200, to make 100 rapid-assembling/disassembling of telescopic magnetic absorbing seat in sleeve 200.

A spring 60 is equipped between magnetic attracting device 30 and removable positioning device 40,60 one end of spring is resisted against bearing 35, The other end pushes the slide 42 in removable positioning device 40, and is located at one end that slide 42 is different from spring 60 against edge 44, By spring 60 so that the relatively removable positioning device 40 of magnetic attracting device 30 can return back to original position after sliding.And magnetic attracting device There are one the support portions 36 of opposing attached end 43 for 30 tools.In the present embodiment, support portion 36 is located in bearing 35, when telescopic magnetic When suction base 100 is installed on sleeve 200, support portion 36 can be abutted with connecting pin 43 so that spring 60 is not compressed completely, so as to reaching The effect of to protection spring 60.

Elastic quickly dismounting device 50 is located at second one end of shaft member 41 far from connecting pin 43, and the first shaft member 33 has one First limiting section 331, the second shaft member 41 has one second limiting section 411, after spring 60 makes magnetic attracting device 30 return back to original position, First limiting section 331 and the second limiting section 411 can prevent spring 60 that magnetic attracting device 30 is detached from removable positioning dress Set 40.In the present embodiment, the first limiting section 331 is located at the suitable position of the second end 32 of the first shaft member 33.

In addition, the slide 42 of removable positioning device 40 against edge 44 towards elastic quickly dismounting device 50, and against There is edge 44 a third outer diameter D 3, third outer diameter D 3 to be more than the first external diameter D1 of removable positioning device 40, and elasticity is made quickly to unload It except device 50 and is somebody's turn to do against a construction section 45 is formed between edge 44, the construction section 45 is capable of the convex of 200 inner edge of receiving sleeve Ring 201 is pushed by spring 60 in slide 42 so that construction section 45 has variable distance, to be adapted to the bulge loop of sleeve 200 201 thickness increase and are applicable in range.In addition, 41 outer peripheral edge of the second shaft member also has a third limiting section 413, and 42 inner edge of slide With one the 4th limiting section 421, third limiting section 413 and the 4th limiting section 421 form backstop, and slide 42 can be prevented towards elasticity Quick 50 direction of dismounting device is detached from the second shaft member 41.

As shown in Figure 6 to 8, illustrate that telescopic magnetic absorbing seat 100 is assembled in the Assembly Action schematic diagram of sleeve 200.Such as Fig. 6 It is shown, when telescopic magnetic absorbing seat 100 is packed into sleeve 200, with elastic quickly hexagonal of the dismounting device 50 towards 200 one end of sleeve 202 direction of hole is placed in, and telescopic magnetic absorbing seat 100 along 200 axial push of sleeve and is installed.

Coordinate shown in Fig. 5 and Fig. 7, when telescopic magnetic absorbing seat 100 elasticity quickly dismounting device 50 close to the convex of sleeve 200 When ring 201, obtaining force makes elastic quickly dismounting device 50 be at flexible deformation position, even if also the generation of C-shaped button 51 diameter is inside Contracting, changes the size of its second external diameter D2, and second external diameter D2 is made to be deformed to first external diameter D1's at least equal to the second shaft member 41 Size so that in removable positioning device 40 elasticity quickly 50 flexible deformation of dismounting device and be enough through bulge loop 201.

Coordinate shown in Fig. 5 and Fig. 8, the elasticity bulge loop that quickly dismounting device 50 passes through sleeve 200 of telescopic magnetic absorbing seat 100 201 and after entering square hole 203, so that elastic quickly dismounting device 50 is returned back to nature or normal orientation, that is, return back to C-shaped button 51 Second external diameter D2 is more than the state of the first external diameter D1 of the second shaft member 41, so that construction section 45 adapts to bulge loop 201, and slide 42 It is born against by 201 side of bulge loop by the pushing and pressing of spring 60, the other side is then limited by the Elastic buckle of elastic quickly dismounting device 50 Telescopic magnetic absorbing seat 100 is quickly installed in sleeve 200 by locking, and user can manually install, and exempt from recruitment Tool, and 201 thickness of bulge loop in different sleeves 200 is adapted to, increase and is applicable in range.On the contrary, when telescopic magnetic absorbing seat 100 is intended to When separating sleeve 200, as long as making step operation according to the reversed of Fig. 7 to Fig. 6, stretched from 203 end of square hole along the axial push of sleeve 200 Contracting formula magnetic absorbing seat 100 makes elastic quickly 50 flexible deformation of dismounting device so as to force, its radial direction is made to inside contract and can pass through sleeve 200 bulge loop 201, telescopic magnetic absorbing seat 100 can quickly be taken from sleeve 200 from.

As shown in figure 9, the socket of work package 70 is incorporated into the hexagon ring 202 of sleeve 200, and the square hole 203 of sleeve 200 is then It is connected for power tool, to turn work package 70, wherein, can when work package 70 is attached in 200 hexagon ring 202 of sleeve It is adsorbed by magnet 34, and then toward working substance pushing tow and carries out turning operation, work package 70 in operation process using sleeve 200 Sleeve 200 is attached to without departing from and the bearing 35 of magnetic attracting device 30 can have been waited for toward 201 direction of the bulge loop movement of sleeve 200 After turning operation, work package 70 by spring 60 and reset and can convenient for from sleeve 200 take from.

Whereby, telescopic magnetic absorbing seat 100 of the invention can be dismounted rapidly in sleeve 200 so that sleeve 200 damages When, user can remove telescopic magnetic absorbing seat 100 from sleeve 200, and shift on new sleeve 200, avoid the sleeve 200 of damage It is abandoned together together with telescopic magnetic absorbing seat 100, causes unnecessary waste, and reduce the cost bought again.

As shown in Figure 10, be the second embodiment of the present invention, with first embodiment the difference is that：Elasticity is quickly unloaded Except the Elastic buckle of device 50 is integrally formed in the overhead kick button 52 in removable positioning device 40 and in contrast to connecting pin 43, Hook 52 has the second external diameter D2, and endpoint is located at its outer most edge, whereby by the flexible deformation of overhead kick button 52, and According to the assembling mode of earlier figures 6 to Fig. 8, in order to by 100 fast assembling-disassembling of telescopic magnetic absorbing seat in sleeve 200.

As shown in figure 11, be the third embodiment of the present invention, with first embodiment the difference is that：Remove device 50 Elastic buckle include a steel ball 53 and an elastomer 54, steel ball 53 and elastomer 54 are respectively two in the present embodiment, and horizontal It is embedded at both side edges of the removable positioning device 40 in contrast to connecting pin 43 to ground, i.e. each steel ball 53 and each elasticity Body 54 is sequentially embedded in the radial slot 414 of 41 ora terminalis of the second shaft member, and the endpoint of second external diameter D2 is located at the outermost of steel ball 53 At edge；And first shaft member 33 second end 32 be a snap-on 37 so that the first shaft member 33 can be from the connection of the second shaft member 41 It holds 43 directions to be inserted in, and can be limited and unlikely relative separation by the second limiting section 411 of the second shaft member 41, so that the first shaft member 33 can be easy to disassemble with the second shaft member 41.Whereby, compresses elastomeric 54 by forcing in steel ball 53 by pushing, similarly It can be convenient for 100 fast assembling-disassembling of telescopic magnetic absorbing seat in sleeve 200.

Embodiment provided above is only to illustrate the present invention, not to limit the present invention scope of patent protection. Such as the various modifications or change that spirit of that invention is engaged in are not disobeyed, are belonged within scope of the present invention patent.

Claims

1. a kind of fast demountable is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that it includes：

One magnetic attracting device comprising the first end of a first end and a second end, the magnetic attracting device has magnetism；And

One removable positioning device has a connecting pin, and the connecting pin of the removable positioning device is slidedly arranged on the magnetic attracting device Second end, so that the magnetic attracting device is generated axial sliding relationship, the removable positioning relative to the removable positioning device Device has a quick dismounting device of elasticity in contrast to one end of the connecting pin, and quickly dismounting device keeps this removable fixed to the elasticity What position device can be dismantled is installed on sleeve.

2. fast demountable as described in claim 1 is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that be packed into sleeve When, push the telescopic magnetic absorbing seat along sleeve axial direction one end, can quick-snap, it is axially another along sleeve when separating sleeve One end pushes the telescopic magnetic absorbing seat, can be rapidly separated.

3. fast demountable as claimed in claim 2 is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that the elasticity is quickly unloaded Except device is an Elastic buckle, removable positioning device tool is there are one first external diameter, and there are one outside second for Elastic buckle tool Diameter, the second external diameter of the Elastic buckle are more than the first external diameter of the removable positioning device, the Elastic buckle are enable to be buckled in Sleeve inner edge, and the Elastic buckle has a flexible deformation position, the flexible deformation position can be for the removable positioning device certainly Sleeve is extended through by ground.

4. fast demountable as claimed in claim 3 is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that the magnetic attracting device with It is set between the removable positioning device there are one spring, makes the magnetic attracting device relative to energy after the removable positioning device sliding Enough return back to original position.

5. fast demountable as claimed in claim 4 is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that the magnetic attracting device has There are one the support portions relative to the connecting pin, and when the support portion is connected to the connecting pin, which does not compress completely.

6. fast demountable as claimed in claim 5 is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that the magnetic attracting device packet One first shaft member and a magnet are included, which is set to one end of first shaft member, to provide magnetism, the removable positioning device packet One second shaft member is included, which has the connecting pin, and the connecting pin of second shaft member is slidedly arranged on first shaft member Second end, quickly dismounting device is located at the one end of second shaft member far from the connecting pin to the elasticity, and first shaft member is with one the One limiting section, which has one second limiting section, after the spring makes the magnetic attracting device return back to original position, described the One limiting section and the second limiting section can prevent the spring that the magnetic attracting device is detached from the removable positioning device.

7. fast demountable as claimed in claim 6 is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that the removable positioning Device further includes one should have a third outer diameter towards the quick dismounting device of the elasticity against edge against edge, should be against edge Third outer diameter be more than the first external diameter of the removable positioning device, make the elasticity quickly dismounting device and this against shape between edge At a construction section, the construction section is capable of the bulge loop of receiving sleeve inner edge.

8. fast demountable as claimed in claim 7 is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that the removable positioning Device further includes a slide being slidedly arranged on outside second shaft member, and one end of the slide is pushed for the spring, should be located at against edge The slide is different from one end of spring.

9. fast demountable as claimed in claim 8 is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that outside second shaft member Periphery also has a third limiting section, and the slide inner edge has one the 4th limiting section, third limiting section and the 4th limiting section shape At backstop, the slide can be prevented to be detached from second shaft member towards elastic quickly dismounting device direction.

10. fast demountable as claimed in claim 8 is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that the magnetic attracting device Further include a bearing, which houses the magnet and be fixedly arranged on jointly in first shaft member, which is set to the bearing and is somebody's turn to do Between removable positioning device, the support zone is at the bearing is relative to the connecting pin.

11. fast demountable as claimed in claim 3 is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that the Elastic buckle Section for a C-shaped button in the removable positioning device, the C-shaped button is circle, the endpoint position of the second external diameter At the outer most edge of the C-shaped button, the endpoint of the first external diameter is located at the removable positioning device adjacent to the elastic card buckle.

12. fast demountable as claimed in claim 3 is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that the Elastic buckle Be integrally formed an overhead kick button in the removable positioning device, and the endpoint of the second external diameter is located at the outermost of the overhead kick button At edge, the endpoint of the first external diameter is located at the removable positioning device adjacent to the elastic card buckle.

13. fast demountable as claimed in claim 3 is in the telescopic magnetic absorbing seat of sleeve, which is characterized in that the Elastic buckle Including a steel ball and an elastomer, the steel ball and the elastomer are embedded in the removable positioning device, the end of the second external diameter At the outer most edge of the steel ball, the endpoint of the first external diameter is located at the removable positioning device and is adjacent to the Elastic buckle point Place.