CN213439422U

CN213439422U - Pin pulling tool

Info

Publication number: CN213439422U
Application number: CN202022360611.0U
Authority: CN
Inventors: 马满旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-15
Anticipated expiration: 2030-10-21

Abstract

The utility model provides a pin pulling tool relates to technical field, has solved the technical problem that the difficult was dismantled to the round pin post on steel sheet, the bow board. The pin pulling tool comprises a supporting mechanism, a screw rod, a driving mechanism and a clamping mechanism; one end of the supporting mechanism is provided with a supporting leg, and the other end of the supporting mechanism is provided with a threaded hole matched with the screw rod; the screw rod penetrates through a threaded hole formed in the supporting mechanism; the driving mechanism is used for rotating the screw rod and is arranged at one end of the screw rod close to the threaded hole; the clamping mechanism is provided with a clamping groove, the clamping groove is detachably connected with a bolt on the processed pin, and the clamping mechanism is arranged at one end, close to the support leg, of the screw rod. The utility model is used for extract the round pin post on the steel sheet bow board fast.

Description

Pin pulling tool

Technical Field

The utility model belongs to the technical field of the vehicle maintenance technique and specifically relates to a pulling pin instrument is related to.

Background

With the development of the Chinese society and the increase of the number of automobiles, the maintenance of the automobiles needs to be adapted to the pace of the social development. At present, the pin column on steel sheet, the bow board is dismantled very difficultly at the in-process of vapour repair, and the means that vapour repair factory commonly used is after the joint piece is welded to the pin column outer end, utilizes the crowbar to prize down or adopts the mode of brute force hard dragging to extract, and the pin pulling-out process is wasted time and energy and still causes the damage to vehicle accessories easily.

The inventor designs a special pin pulling tool aiming at the phenomenon of difficult pin pulling. The center of the pin column of the vehicle steel plate and the bow plate is provided with a threaded hole, the pin column is pulled out in the direction of the extension of the pin column through the bolt in the threaded hole screw-in bolt, the pin column is pulled out, a welding fixture block is not needed, the pin column cannot be damaged, time and labor are saved, the operation is convenient, and great convenience is provided for maintenance operation.

Disclosure of Invention

An object of the utility model is to provide a pin pulling tool to solve the technical problem that the difficult was dismantled to the round pin post on steel sheet, the bow board that exists among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pin pulling tool, which comprises a supporting mechanism, a screw rod, a driving mechanism and a clamping mechanism;

one end of the supporting mechanism is provided with a supporting leg, and the other end of the supporting mechanism is provided with a threaded hole matched with the screw rod;

the screw rod penetrates through a threaded hole formed in the supporting mechanism;

the driving mechanism is used for rotating the screw rod and is arranged at one end of the screw rod close to the threaded hole;

the clamping mechanism is provided with a clamping groove, the clamping groove is detachably connected with a bolt on the processed pin, and the clamping mechanism is arranged at one end, close to the support leg, of the screw rod.

In a preferred or optional embodiment, the supporting mechanism is a cylindrical tube, one end of the cylindrical tube is sealed, the other end of the cylindrical tube is open, and a threaded hole is formed in the tuyere end of the cylindrical tube; the inner diameter of the cylindrical pipe is larger than the transverse size of the clamping mechanism and is larger than the outer diameter of the processed pin shaft.

In a preferred or alternative embodiment, the length of the cylindrical tube is less than the length of the screw.

In a preferred or alternative embodiment, the supporting mechanism adopts an n-type bracket, and the threaded hole is arranged in the center of the rotating end of the n-type bracket.

In a preferred or alternative embodiment, the drive mechanism employs a first nut fixedly welded to one end of the screw.

In a preferred or optional embodiment, the driving mechanism adopts a power-assisted rod, a power-assisted hole is formed in the radial direction of the screw rod, the diameter of the power-assisted rod is equal to that of the power-assisted hole, and the power-assisted rod is detachably connected with the screw rod.

In a preferred or alternative embodiment, the clamping mechanism comprises a second nut, a connecting pipe and a clamping plate;

one end of the connecting pipe is connected with the screw rod through the second nut, and the clamping and connecting plate is fixedly arranged at the other end of the connecting pipe; the joint groove is formed in the joint plate, the width of the joint groove is larger than the diameter of a bolt column on a processed pin column and smaller than the diameter of a bolt cap, and an opening for accommodating the bolt cap is formed in the side wall of the connecting pipe.

In a preferred or alternative embodiment, the pin pulling tool is further equipped with a pin pulling bolt which is matched with the pin column to be processed; the supporting mechanism is further provided with a first storage nut matched with the pin pulling bolt.

In a preferred or alternative embodiment, the draw pin bolt is further provided with a protective plate through which the draw pin bolt extends.

In a preferred or alternative embodiment, the pin removal tool is further equipped with a threaded extension bolt, and the support mechanism is further provided with a matching second receiving nut.

The utility model provides a pin pulling tool, which comprises a supporting mechanism, a screw rod, a driving mechanism and a clamping mechanism; one end of the supporting mechanism is provided with a supporting leg, and the other end of the supporting mechanism is provided with a threaded hole matched with the screw rod; the screw rod penetrates through a threaded hole formed in the supporting mechanism; the driving mechanism is used for rotating the screw rod and is arranged at one end of the screw rod close to the threaded hole; the clamping mechanism is provided with a clamping groove, the clamping groove is detachably connected with a bolt on the processed pin, and the clamping mechanism is arranged at one end, close to the support leg, of the screw rod. Through intermeshing's screw thread, convert the circumferential force of screw rod into axial force, the user is convenient for with the help of spanner, lever rotating screw rod, and then draws out the round pin axle from steel sheet, bow daughter board.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a pin pulling tool according to the present invention;

fig. 2 is an exploded view of a latch mechanism according to the present invention.

FIG. 1, a support mechanism; 11. a first receiving nut; 12. a second receiving nut; 2. a screw; 3. a drive mechanism; 31. a first nut; 4. a clamping mechanism; 41. a second nut; 42. a connecting pipe; 43. a clamping and connecting plate; 44. a clamping groove; 5. pulling the bolt; 51. a protective sheet; 6. the bolt is extended by threading.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the utility model provides a pin pulling tool, which comprises a supporting mechanism 1, a screw rod 2, a driving mechanism 3 and a clamping mechanism 4;

one end of the supporting mechanism 1 is provided with a supporting leg, and the other end of the supporting mechanism is provided with a threaded hole matched with the screw rod 2;

the screw rod 2 penetrates through a threaded hole formed in the supporting mechanism 1;

the driving mechanism 3 is used for rotating the screw rod 2 and is arranged at one end of the screw rod 2 close to the threaded hole;

the clamping mechanism 4 is provided with a clamping groove 44, the clamping groove 44 is detachably connected with a bolt on a processed pin, and the clamping mechanism 4 is arranged at one end of the screw rod 2 close to the support leg.

Specifically, the opening width of the clamping groove 44 is gradually increased from inside to outside in a bell mouth shape, so that a bolt can be conveniently clamped; the bottom shape of the clamping groove 44 is matched with the shape of a bolt, and after the bolt is clamped at the bottom of the clamping groove 44, the central axis of the bolt is overlapped with the central axis of the pin pulling tool screw rod 2.

As an alternative embodiment, the supporting mechanism 1 adopts a cylindrical pipe, one end of the cylindrical pipe is sealed, the other end of the cylindrical pipe is open, and the threaded hole is formed in the air inlet end of the cylindrical pipe; the inner diameter of the cylindrical pipe is larger than the transverse dimension of the clamping mechanism 4 and is larger than the outer diameter of the processed pin shaft.

Specifically, the axis of cylinder pipe runs through the center of joint structure, and the edge of 4 circumference of latch mechanism offsets with the inner wall of cylinder section of thick bamboo, and card machine mechanism can freely slide and can not take place to rock in the cylinder section of thick bamboo.

As an alternative embodiment, the length of the cylindrical tube is smaller than the length of the screw 2.

As an alternative embodiment, the supporting mechanism 1 adopts an n-type bracket, and a threaded hole is arranged at the center of the rotating end of the n-type bracket; or a rotary structural support formed by splicing a plurality of groups of n-shaped supports, and the threaded hole is formed in the rotary center.

As an alternative embodiment, the driving mechanism 3 employs a first nut 31, the first nut 31 is fixedly welded to one end of the screw rod 2, the pin pulling operation is performed by rotating the first nut 31 by a manual or electric wrench, and the fixedly welded first nut 31 can prevent the screw rod 2 from falling off.

As an alternative embodiment, the driving mechanism 3 adopts a power-assisted rod, a power-assisted hole is formed in the radial direction of the screw rod 2, the diameter of the power-assisted rod is equal to that of the power-assisted hole, and the power-assisted rod is detachably connected with the screw rod 2.

As an alternative embodiment, the clamping mechanism 4 includes a second nut 41, a connecting pipe 42 and a clamping plate 43;

one end of the connecting pipe 42 is connected with the screw rod 2 through the second nut 41, and the clamping plate 43 is fixedly arranged at the other end of the connecting pipe 42; the clamping groove 44 is formed in the clamping plate 43, the width of the clamping groove 44 is larger than the diameter of a bolt column on a processed pin column and smaller than the diameter of a bolt cap, and an opening for accommodating the bolt cap is formed in the side wall of the connecting pipe 42.

As an optional embodiment, the pin pulling tool is also provided with a pin pulling bolt 5, and the pin pulling bolt 5 is matched with the pin column to be processed; the supporting mechanism 1 is further provided with a first storage nut 11 matched with the pin pulling bolt 5, and a special reimbursement bolt is additionally arranged for damaging an original bolt on the pin column in the refuge reimbursement process.

As an optional embodiment, the pin pulling bolt 5 is further provided with a protection sheet 51, the pin pulling bolt 5 penetrates through the protection sheet 51, and the protection sheet 51 is abutted against the clamping mechanism 4 and the pin column member during the pin pulling process, so that the abrasion of the pin column during the pin pulling process is reduced.

In an alternative embodiment, the pin removing tool is further provided with a threaded extension bolt 6, the supporting mechanism 1 is further provided with a second accommodating nut 12, and when the original thread on the pin is short, the threaded extension bolt 6 is used to turn the thread in the extension pin to remove the pin.

The pin pulling tool has the following use process:

1. disassembling the original bolt at the center of the pin (if the internal thread of the pin is short, the internal thread of the pin is prolonged by using the screw thread prolonging bolt 6, so that the internal thread reaches 2-3 cm);

2. screwing a pin pulling bolt 5 into a screw hole in the middle of the pin column;

3. clamping the clamping structure with the pin pulling bolt 5, and placing the protective sheet 51 between the clamping structure and the pin column;

4. rotating the pin pulling bolt 5 to pre-tighten the clamping mechanism 4 and the pin column, and rotating the screw rod 2 to pre-tighten the supporting mechanism 1 and the steel plate/bow plate.

5. The pin pulling tool is separated from the steel plate/bow plate after the pin is pulled out by rotating the driving mechanism 3.

In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "back", "head", "tail", and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in fig. 1 for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is also to be understood that the terms "mounted", "connected" and "connected", unless expressly specified or limited otherwise, are intended to be interpreted broadly, as meaning either a fixed connection or a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A pin pulling tool is characterized by comprising a supporting mechanism, a screw rod, a driving mechanism and a clamping mechanism;

2. The pin pulling tool according to claim 1, wherein the supporting mechanism is a cylindrical tube, one end of the cylindrical tube is sealed, the other end of the cylindrical tube is open, and a threaded hole is formed in the tuyere end of the cylindrical tube; the inner diameter of the cylindrical pipe is larger than the transverse size of the clamping mechanism and is larger than the outer diameter of the processed pin shaft.

3. The pin pulling tool of claim 2, wherein the length of the cylindrical tube is less than the length of the screw.

4. The pin pulling tool according to claim 1, wherein the supporting mechanism is an n-shaped bracket, and the threaded hole is arranged at the center of the rotating end of the n-shaped bracket.

5. The pin pulling tool according to claim 1, wherein the driving mechanism employs a first nut fixedly welded to an end of the threaded rod.

6. The pin pulling tool according to claim 1, wherein the driving mechanism is a power-assisted rod, a power-assisted hole is formed in the radial direction of the screw rod, the diameter of the power-assisted rod is equal to that of the power-assisted hole, and the power-assisted rod is detachably connected with the screw rod.

7. The pin pulling tool according to claim 1, wherein the clamping mechanism comprises a second nut, a connecting tube and a clamping plate;

8. The pin pulling tool according to claim 1, wherein the pin pulling tool is further equipped with a pin pulling bolt that matches the pin to be machined; the supporting mechanism is further provided with a first storage nut matched with the pin pulling bolt.

9. The pin pulling tool according to claim 8, wherein the pin pulling bolt is further provided with a protective plate through which the pin pulling bolt extends.

10. The pin pulling tool according to claim 8, wherein the pin pulling tool is further equipped with a threaded extension bolt, and the support mechanism is further provided with a matching second receiving nut.