CN108511145B

CN108511145B - Telescopic magnetic attraction seat capable of being quickly assembled and disassembled on sleeve

Info

Publication number: CN108511145B
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: 2020-10-30
Anticipated expiration: 2037-02-24
Also published as: CN108511145A

Abstract

The invention provides a telescopic magnetic attraction seat capable of being quickly assembled and disassembled in a sleeve, which comprises: the magnetic suction device comprises a first end and a second end, and the first end of the magnetic suction device has magnetism; and the detachable positioning device is provided with a connecting end, the connecting end of the detachable positioning device is arranged at the second end of the magnetic suction device in a sliding way, so that the magnetic suction device can generate axial sliding relation relative to the detachable positioning device, and the end of the detachable positioning device opposite to the connecting end is provided with an elastic quick dismounting device which enables the detachable positioning device to be quickly dismounted and arranged on the sleeve. Therefore, when the sleeve is damaged, the telescopic magnetic suction seat can be quickly detached from the sleeve and installed on another new sleeve.

Description

Telescopic magnetic attraction seat capable of being quickly assembled and disassembled on sleeve

Technical Field

The present invention relates to a magnetic attraction seat, and more particularly to a retractable magnetic attraction seat capable of being quickly assembled and disassembled from a sleeve.

Background

In order to meet the requirement and convenience of operation, an elastically movable magnetic device is disposed in the sleeve to drive the workpiece while moving the sleeve, and to facilitate the removal of the workpiece while removing the workpiece.

As shown in fig. 1, a conventional magnetic-attraction type driving tool 10 includes a body 11, a fixing device having a first fixing member 12 and a second fixing member 13 connected to each other, and a magnetic-attraction device 14. The body 11 has a drive end 11a and a work end 11b that sets up oppositely, and first mounting 12 combines in boss 15 one side in the body 11 and is close to in drive end 11a, and second mounting 13 then combines in the opposite side of boss 15 and the cover is located the second mounting 12 outer peripheral edges, and magnetism is inhaled device 14 one end and is slided and locate fixing device and can produce spacing slip relatively fixing device, and magnetism is inhaled the device 14 other end and then can adsorb the work piece and slide relatively fixing device along the body 11 axis. However, the combination of the magnetic device 14 and the fixing device cannot be detached after being assembled into the body 11, and when the driving tool 10 is damaged, the magnetic device 14 cannot be detached and then assembled into another new driving tool 10 for reuse, so that the damaged driving tool 10 must be discarded together with the internal components, which is wasteful.

Subsequently, an elastic sleeve 20 shown in fig. 2 was developed, which comprises a sleeve body 21, a magnet holder 22, a magnet 23, a spring 24 and a C-shaped buckle 25. The magnet 23 and the spring 24 are installed in the magnet seat 22, one end of the spring 24 abuts against the magnet 23, the combination of the magnet seat 22, the magnet 23 and the spring 24 is installed in the accommodating space 26 of the sleeve body 20, the other end of the spring 24 abuts against the bottom of the accommodating space 26, and the C-shaped buckle 25 is installed at the outer edge of the magnet seat 22 to prevent the combination of the magnet seat 22 and the magnet 23 from being separated from the accommodating space 26. Also as mentioned above, the magnet holder 22 and the magnet 23 cannot be disassembled after being assembled into the sleeve body 21, and once the elastic sleeve 20 is damaged, it can only be discarded together with the sleeve body 21, which is wasteful.

Disclosure of Invention

In order to solve the above problem, the present invention discloses a retractable magnetic attraction seat capable of being quickly mounted on and dismounted from a sleeve, which is used for being quickly mounted on and dismounted from the sleeve so as to dismount the retractable magnetic attraction seat when the sleeve is damaged, thereby avoiding the sleeve from being discarded together with the retractable magnetic attraction seat when the sleeve is damaged.

In order to achieve the above object, the present invention provides a telescopic magnetic attraction seat capable of being quickly disassembled and assembled in a sleeve, comprising: the magnetic suction device comprises a first end and a second end, and the first end of the magnetic suction device has magnetism; and the detachable positioning device is provided with a connecting end, the connecting end of the detachable positioning device is arranged at the second end of the magnetic suction device in a sliding way, so that the magnetic suction device can generate axial sliding relation relative to the detachable positioning device, and the end of the detachable positioning device opposite to the connecting end is provided with an elastic quick dismounting device which enables the detachable positioning device to be quickly dismounted and arranged on the sleeve.

When the sleeve is installed, the telescopic magnetic attraction seat is pushed and pressed along one axial end of the sleeve, namely the telescopic magnetic attraction seat can be quickly clamped, and when the sleeve is detached, the telescopic magnetic attraction seat is pushed and pressed along the other axial end of the sleeve, so that the telescopic magnetic attraction seat can be quickly detached.

The elastic quick dismounting device is an elastic buckle, the detachable positioning device is provided with a first outer diameter, the elastic buckle is provided with a second outer diameter, the second outer diameter of the elastic buckle is larger than the first outer diameter of the detachable positioning device, the elastic buckle can be buckled on the inner edge of the sleeve, the elastic buckle is provided with an elastic deformation position, and the detachable positioning device can freely penetrate through the sleeve.

Wherein, a spring is arranged between the magnetic suction device and the detachable positioning device, so that the magnetic suction device can return to the original position after sliding relative to the detachable positioning device.

The magnetic attraction device is provided with a supporting part opposite to the connecting end, and when the supporting part abuts against the connecting end, the spring is not completely compressed.

The magnetic attraction device comprises a first shaft piece and a magnet, the magnet is arranged at one end of the first shaft piece to provide magnetism, the detachable positioning device comprises a second shaft piece, the second shaft piece is provided with a connecting end, the connecting end of the second shaft piece is arranged at the second end of the first shaft piece in a sliding mode, the elastic quick detaching device is arranged at one end, far away from the connecting end, of the second shaft piece, the first shaft piece is provided with a first limiting portion, the second shaft piece is provided with a second limiting portion, and after the magnetic attraction device is restored to the original position through a spring, the first limiting portion and the second limiting portion can prevent the spring from separating the magnetic attraction device from the detachable positioning device.

The detachable positioning device also comprises a leaning edge facing the elastic quick-removing device, the leaning edge is provided with a third outer diameter, the third outer diameter of the leaning edge is larger than the first outer diameter of the detachable positioning device, so that an installation section is formed between the elastic quick-removing device and the leaning edge, and the installation section can accommodate the convex ring of the inner edge of the sleeve.

The detachable positioning device further comprises a sliding seat arranged outside the second shaft piece in a sliding mode, one end of the sliding seat is used for the spring to push, and the abutting edge is located at one end, different from the spring, of the sliding seat.

The outer periphery of the second shaft part is also provided with a third limiting part, the inner edge of the sliding seat is provided with a fourth limiting part, and the third limiting part and the fourth limiting part form a stop so as to prevent the sliding seat from separating from the second shaft part towards the direction of the elastic quick dismounting device.

The magnetic attraction device also comprises a bearing seat, the bearing seat contains the magnet and is fixedly arranged on the first shaft element together, the spring is arranged between the bearing seat and the detachable positioning device, and the supporting part is positioned at the end of the bearing seat opposite to the connecting end.

The elastic buckle is a C-shaped buckle arranged on the detachable positioning device, the section of the C-shaped buckle is circular, the end point of the second outer diameter is positioned at the outermost edge of the C-shaped buckle, and the end point of the first outer diameter is positioned at the position, adjacent to the elastic buckle, of the second shaft piece of the detachable positioning device.

The elastic buckle is an inverted buckle integrally formed on the detachable positioning device, the end point of the second outer diameter is located at the outermost edge of the inverted buckle, and the end point of the first outer diameter is located at the position, close to the elastic buckle, of the second shaft piece of the detachable positioning device.

The elastic buckle comprises a steel ball and an elastic body, the steel ball and the elastic body are embedded in the detachable positioning device, the end point of the second outer diameter is located at the outermost edge of the steel ball, and the end point of the first outer diameter is located at the position, adjacent to the elastic buckle, of the second shaft piece of the detachable positioning device.

Therefore, the telescopic magnetic suction seat can be quickly assembled and disassembled on the sleeve, so that when the sleeve is damaged, a user can quickly disassemble the telescopic magnetic suction seat from the sleeve and change the telescopic magnetic suction seat to a new sleeve, the damaged sleeve and the inner telescopic magnetic suction seat are prevented from being discarded together, unnecessary waste is avoided, and the cost of repurchase is reduced.

Drawings

FIG. 1 is a cross-sectional view of a conventional magnetically-attractable drive tool;

FIG. 2 is a sectional view of a prior art elastic sleeve structure;

FIG. 3 is an exploded view of a first embodiment of the retractable magnetic attraction seat of the present invention;

FIG. 4 is a structural assembly view of a first embodiment of the retractable magnetic attraction seat of the present invention capable of being quickly disassembled and assembled from the sleeve;

FIG. 5 is a sectional view of the telescopic magnetic attraction seat of the present invention;

FIG. 6 is a schematic view of the first embodiment of the retractable magnetic attraction seat of the present invention installed in a sleeve, showing the elastic quick release device in a natural position;

FIG. 7 is a schematic view of the first embodiment of the retractable magnetic attraction seat of the present invention installed in a sleeve, showing the elastic quick release device in an elastically deformed position;

FIG. 8 is a schematic view of a first embodiment of a retractable magnetic attraction seat of the present invention after being mounted on a sleeve;

FIG. 9 is a schematic view of the retractable magnetic attraction seat of the present invention in a use state;

FIG. 10 is a second embodiment of the retractable magnetic attraction seat of the present invention, shown with an elastic quick release device as an inverted hook;

FIG. 11 is a third embodiment of the retractable magnetic attraction seat of the present invention, showing the resilient quick release means being a ball and a spring.

Description of the reference numerals

(Prior Art)

10 driving tool

11 main body

11a drive end

11b working end

12 first fixing part

13 second fixing member

14 magnetic attraction device

15 raised part

20 elastic sleeve

21 sleeve body

22 magnet seat

23 magnet

24 spring

25C-shaped buckle

26 accommodating space

(present invention)

100 telescopic magnetic suction base

30 magnetic attraction device

31 first end

32 second end

33 first shaft member

331 first limit part

34 magnet

35 bearing

351 hole

36 support part

37 elastic buckle

40 removable positioner

41 second shaft member

411 second limiting part

412 concave ring groove

413 third position-limiting part

414 radial groove

42 sliding seat

421 fourth limiting part

43 connecting end

44 abutting edge

45 mounting section

50 quick dismounting device of elasticity

51C-shaped buckle

52 inverted hook buckle

53 steel ball

54 elastomer

60 spring

70 workpiece

200 sleeve

201 convex ring

202 hexagonal hole

203 square hole

D1 first outside diameter

D2 second outside diameter

D3 third outer diameter.

Detailed Description

Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it is not intended to limit the technical principles of the present invention to the specifically disclosed embodiments, but the scope of the present invention is limited only by the claims, and encompasses alternatives, modifications, and equivalents.

Referring to fig. 3 to 9, a first embodiment of the present invention provides a retractable magnetic attraction base 100 capable of being quickly assembled and disassembled from a sleeve 200, which includes a magnetic attraction device 30 and a detachable positioning device 40.

The magnetic device 30 includes a first end 31 and a second end 32, and the first end 31 has magnetism. In the present embodiment, the magnetic device 30 has a first shaft 33 and a magnet 34, the magnet 34 is disposed at one end of the first shaft 33 for providing magnetism, and the second end 32 is located at an end of the first shaft 33 opposite to the magnet 34. In addition, the magnetic device 30 further includes a bearing seat 35, and the bearing seat 35 has a receiving hole 351 for receiving the magnet 34 and is jointly fixed on the first shaft 33, so that the bearing seat 35 will not be separated from the end of the first shaft 33.

The detachable positioning device 40 includes a second shaft 41 and a sliding seat 42, wherein the sliding seat 42 is slidably disposed on an outer edge of the second shaft 41. In addition, the detachable positioning device 40 further includes a connecting end 43 and an opposite abutting edge 44, the second shaft 41 has the connecting end 43, the abutting edge 44 is located at an end of the sliding seat 42 opposite to the connecting end 43, and the connecting end 43 of the second shaft 41 is slidably disposed at the second end 32 of the first shaft 33. Wherein, the magnetic attraction device 30 can generate an axial sliding relationship relative to the detachable positioning device 40.

The end of the detachable positioning device 40 opposite to the connecting end 43 has an elastic quick-release device 50, and the elastic quick-release device 50 enables the detachable positioning device 40 to be quickly and detachably mounted on the sleeve 200. In this embodiment, the resilient quick-release means 50 is a resilient latch having a second outer diameter D2, and the removable positioning means 40 has a first outer diameter D1, the second outer diameter D2 being larger than the first outer diameter D1. The elastic buckle is a C-shaped buckle 51 disposed on a concave ring groove 412 of the second shaft 41 of the detachable positioning device 40, the cross section of the C-shaped buckle 51 is circular, the end point of the second outer diameter D2 is located at the outermost edge of the C-shaped buckle 51, the end point of the first outer diameter D1 is located at a position adjacent to the elastic buckle of the second shaft 41 of the detachable positioning device 40, so that the elastic buckle can be buckled at the inner edge of the sleeve 200, and the elastic buckle has an elastic deformation position, at which the elastic buckle is radially retracted to allow the detachable positioning device 40 to freely penetrate through the sleeve 200, so that the telescopic magnetic suction seat 100 can be quickly assembled and disassembled on the sleeve 200.

A spring 60 is disposed between the magnetic attraction device 30 and the detachable positioning device 40, one end of the spring 60 abuts against the seat 35, the other end abuts against the sliding seat 42 of the detachable positioning device 40, and the abutting edge 44 is disposed at an end of the sliding seat 42 different from the spring 60, so that the magnetic attraction device 30 can return to the original position after sliding relative to the detachable positioning device 40 through the spring 60. And the magnetic attachment device 30 has a support portion 36 opposite the attachment end 43. In the embodiment, the supporting portion 36 is located on the seat 35, when the retractable magnetic attraction seat 100 is installed on the sleeve 200, the supporting portion 36 abuts against the connecting end 43, so that the spring 60 is not completely compressed, thereby achieving the effect of protecting the spring 60.

The elastic quick release device 50 is located at an end of the second shaft 41 away from the connecting end 43, the first shaft 33 has a first position-limiting portion 331, the second shaft 41 has a second position-limiting portion 411, and when the spring 60 returns the magnetic attraction device 30 to the original position, the first position-limiting portion 331 and the second position-limiting portion 411 can prevent the spring 60 from separating the magnetic attraction device 30 from the detachable positioning device 40. In the present embodiment, the first position-limiting portion 331 is located at a suitable position of the second end 32 of the first shaft member 33.

In addition, the abutting edge 44 of the sliding seat 42 of the detachable positioning device 40 faces the elastic quick-release device 50, and the abutting edge 44 has a third outer diameter D3, the third outer diameter D3 is larger than the first outer diameter D1 of the detachable positioning device 40, so that an installation section 45 is formed between the elastic quick-release device 50 and the abutting edge 44, the installation section 45 can accommodate the convex ring 201 on the inner edge of the sleeve 200, and the installation section 45 is abutted against the sliding seat 42 through the spring 60, so that the installation section 45 has a variable distance to adapt to the thickness of the convex ring 201 of the sleeve 200, and the application range is increased. In addition, the outer periphery of the second shaft 41 further has a third position-limiting portion 413, the inner edge of the sliding base 42 has a fourth position-limiting portion 421, and the third position-limiting portion 413 and the fourth position-limiting portion 421 form a stop, so as to prevent the sliding base 42 from separating from the second shaft 41 toward the elastic quick-release device 50.

As shown in fig. 6 to 8, the assembling operation of the retractable magnetic attraction seat 100 to the sleeve 200 is illustrated. As shown in FIG. 6, when the retractable magnetic chuck 100 is installed in the sleeve 200, the elastic quick release device 50 is inserted into the hexagonal hole 202 at one end of the sleeve 200 to push and install the retractable magnetic chuck 100 along the axial direction of the sleeve 200.

As shown in FIGS. 5 and 7, when the resilient quick-release member 50 of the retractable magnetic attraction 100 approaches the protruding ring 201 of the sleeve 200, a force is applied to place the resilient quick-release member 50 in a resiliently deformed position, even if the C-shaped buckle 51 is radially retracted, the second outer diameter D2 is changed to deform the second outer diameter D2 to a size at least equal to the first outer diameter D1 of the second shaft 41, so that the resilient quick-release member 50 on the detachable positioning device 40 is resiliently deformed enough to pass through the protruding ring 201.

As shown in fig. 5 and 8, after the elastic quick removing device 50 of the retractable magnetic suction base 100 enters the square hole 203 through the convex ring 201 of the sleeve 200, the elastic quick removing device 50 returns to the natural or normal position, that is, returns to the state that the second outer diameter D2 of the C-shaped buckle 51 is greater than the first outer diameter D1 of the second shaft 41, so that the installation section 45 is adapted to the convex ring 201, the sliding base 42 is supported by the spring 60 beside one side of the convex ring 201, and the other side is limited and blocked by the elastic buckle of the elastic quick removing device 50, so that the retractable magnetic suction base 100 is quickly installed in the sleeve 200, and the user can install the magnetic suction base by hand without using tools, and can adapt to different thicknesses of the convex ring 201 of the sleeve 200, thereby increasing the application range. On the contrary, when the retractable magnetic attraction base 100 is to be detached from the sleeve 200, only the step of pushing the retractable magnetic attraction base 100 from the end of the square hole 203 along the axial direction of the sleeve 200 is performed in the reverse direction of fig. 7 to 6, so as to apply a force to elastically deform the elastic quick detachment device 50, and the elastic quick detachment device is retracted radially to pass through the convex ring 201 of the sleeve 200, so that the retractable magnetic attraction base 100 can be quickly detached from the sleeve 200.

As shown in fig. 9, the working piece 70 is sleeved and combined in the hexagonal hole 202 of the sleeve 200, and the square hole 203 of the sleeve 200 is engaged by a power tool to drive the working piece 70, wherein the working piece 70 can be attracted by the magnet 34 when being attached in the hexagonal hole 202 of the sleeve 200, so that the sleeve 200 is used to push the working piece to perform the driving operation, the working piece 70 is attached to the sleeve 200 and cannot be separated during the operation, the bearing 35 of the magnetic attraction device 30 moves towards the convex ring 201 of the sleeve 200, and after the driving operation is completed, the working piece 70 is reset by the spring 60 and can be conveniently taken away from the sleeve 200.

Therefore, the telescopic magnetic attraction seat 100 can be quickly assembled and disassembled on the sleeve 200, so that when the sleeve 200 is damaged, a user can disassemble the telescopic magnetic attraction seat 100 from the sleeve 200 and change the telescopic magnetic attraction seat to a new sleeve 200, thereby avoiding unnecessary waste caused by discarding the damaged sleeve 200 together with the telescopic magnetic attraction seat 100 and reducing the cost of repurchase.

As shown in fig. 10, a second embodiment of the present invention is different from the first embodiment in that: the resilient snap of the resilient quick release means 50 is an inverted hook 52 integrally formed on the removable positioning means 40 opposite to the connecting end 43, the inverted hook 52 has the second outside diameter D2, and the end point thereof is located at the outermost edge thereof, thereby facilitating the quick release of the retractable magnetic attraction seat 100 to the sleeve 200 by the resilient deformation of the inverted hook 52 in accordance with the assembly method of fig. 6 to 8.

As shown in fig. 11, a third embodiment of the present invention is different from the first embodiment in that: the elastic buckle of the removing device 50 includes a steel ball 53 and an elastic body 54, the steel ball 53 and the elastic body 54 are two in this embodiment, and are transversely embedded at two side edges of the detachable positioning device 40 opposite to the connecting end 43, that is, each steel ball 53 and each elastic body 54 are sequentially embedded in the radial groove 414 at the end edge of the second shaft element 41, and the end point of the second outer diameter D2 is located at the outermost edge of the steel ball 53; and the second end 32 of the first shaft 33 is a snap 37, so that the first shaft 33 can be inserted into the connecting end 43 of the second shaft 41 and can be limited by the second limiting portion 411 of the second shaft 41 without being separated from each other, so that the first shaft 33 and the second shaft 41 can be easily assembled and disassembled. Therefore, the elastic body 54 is compressed by pushing and applying force to the steel balls 53, and the telescopic magnetic attraction seat 100 can be assembled and disassembled to and from the sleeve 200 quickly.

The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. It will be understood that various modifications and changes may be made without departing from the spirit of the invention, which is to be limited only by the claims.

Claims

1. The utility model provides a but quick assembly disassembly is in telescopic magnetism suction seat of telescopic which characterized in that, it includes:

the magnetic suction device comprises a first end and a second end, and the first end of the magnetic suction device has magnetism; and

a detachable positioning device with a connecting end, the magnetic attraction device comprises a first shaft part, the detachable positioning device comprises a second shaft part, the second shaft part is provided with the connecting end, the connecting end of the detachable positioning device is arranged at the second end of the magnetic attraction device in a sliding way, so that the magnetic attraction device can generate axial sliding relation relative to the detachable positioning device, a spring is arranged between the magnetic attraction device and the detachable positioning device, the magnetic attraction device can return to the original position after sliding relative to the detachable positioning device, the detachable positioning device also comprises a sliding seat arranged outside the second shaft part in a sliding way, one end of the sliding seat is used for the spring to push, one end of the detachable positioning device opposite to the connecting end is provided with an elastic quick detaching device, the detachable positioning device also comprises a leaning edge facing the elastic quick detaching device, the abutting edge is positioned at one end of the sliding seat, which is different from the spring, an installation section is formed between the elastic quick dismounting device and the abutting edge, the installation section can accommodate the convex ring at the inner edge of the sleeve, and the elastic quick dismounting device enables the detachable positioning device to be detachably installed on the sleeve.

2. The telescopic magnetic attraction seat capable of being quickly detached from and installed on the sleeve as claimed in claim 1, wherein the telescopic magnetic attraction seat is pushed along one axial end of the sleeve when the sleeve is installed, i.e. the telescopic magnetic attraction seat can be quickly engaged, and the telescopic magnetic attraction seat is pushed along the other axial end of the sleeve when the sleeve is detached, i.e. the telescopic magnetic attraction seat can be quickly disengaged.

3. The telescopic magnetic chuck as claimed in claim 2, wherein the elastic quick release means is an elastic buckle, the detachable positioning means has a first outer diameter, the elastic buckle has a second outer diameter, the second outer diameter of the elastic buckle is larger than the first outer diameter of the detachable positioning means, so that the elastic buckle can be fastened to the inner edge of the sleeve, and the elastic buckle has an elastic deformation position, which allows the detachable positioning means to freely extend through the sleeve.

4. The retractable magnetic attraction seat as claimed in claim 3, wherein the magnetic attraction device has a support portion opposite to the connection end, and the spring is not fully compressed when the support portion abuts against the connection end.

5. The telescopic magnetic attraction seat as claimed in claim 4, wherein the magnetic attraction device includes a magnet disposed at one end of the first shaft member for providing magnetism, the second end of the magnetic attraction device is disposed at an end of the first shaft member opposite to the magnet, the connecting end of the second shaft member is slidably disposed at the second end of the first shaft member, the elastic quick release device is disposed at an end of the second shaft member away from the connecting end, the first shaft member has a first position-limiting portion, the second shaft member has a second position-limiting portion, and when the spring returns the magnetic attraction device to the original position, the first position-limiting portion and the second position-limiting portion can prevent the spring from separating the magnetic attraction device from the detachable positioning device.

6. The retractable magnetic attraction seat as claimed in claim 5, wherein the abutting edge has a third outer diameter, and the third outer diameter of the abutting edge is larger than the first outer diameter of the detachable positioning device.

7. The retractable magnetic attraction seat as claimed in claim 6, wherein the second shaft member further comprises a third position-limiting portion at the outer periphery thereof, and a fourth position-limiting portion at the inner periphery thereof, the third position-limiting portion and the fourth position-limiting portion forming a stop for preventing the slide from separating from the second shaft member in the direction of the elastic quick release device.

8. The telescopic magnetic attraction seat as claimed in claim 6, wherein the magnetic attraction device further comprises a seat for accommodating the magnet and fixed to the first shaft, the spring is disposed between the seat and the detachable positioning device, and the support portion is located at the end of the seat opposite to the connecting end.

9. The telescopic magnetic chuck as claimed in claim 3, wherein the elastic latch is a C-shaped buckle disposed on the detachable positioning device, the cross-section of the C-shaped buckle is circular, the end point of the second outer diameter is located at the outermost edge of the C-shaped buckle, and the end point of the first outer diameter is located at the position of the detachable positioning device adjacent to the elastic latch.

10. The retractable magnetic attraction seat as claimed in claim 3, wherein the resilient latch is an inverted latch integrally formed on the removable positioning device, the end point of the second outer diameter is located at the outermost edge of the inverted latch, and the end point of the first outer diameter is located at the location of the removable positioning device adjacent to the resilient latch.

11. The socket of claim 3, wherein the resilient latch comprises a ball and an elastomer, the ball and the elastomer are embedded in the removable detent, the end of the second outer diameter is located at an outermost edge of the ball, and the end of the first outer diameter is located at a position of the removable detent adjacent to the resilient latch.