CN217992382U

CN217992382U - Pin puller

Info

Publication number: CN217992382U
Application number: CN202221976674.1U
Authority: CN
Inventors: 谭丁文; 居桦; 陈铖; 植中扬; 王强; 连文亚; 王晓夏
Original assignee: FAW Volkswagen Automotive Co Ltd
Current assignee: FAW Volkswagen Automotive Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-09
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a pin puller, which comprises a shell, a screw rod and a connecting block; the housing includes a top plate; the screw penetrates through the top plate, the head of the screw is positioned above the top plate, and the screw is in threaded connection with the top plate; the connecting block is of an internal hollow structure and comprises a top surface part and a bottom surface part, and the bottom end of the screw rod is fixedly connected with the top surface part; at least one mounting hole is formed in the bottom face portion, the size of the mounting hole is matched with that of the pin pulling bolt, and the mounting hole is communicated with the hollow structure. The pin puller of this application compact structure, shared space are little, be convenient for receive and put to the mode of extracting the locating pin through rotatory screw rod does not need extra space of pulling out, consequently, the pin puller of this application is applicable to the dismantlement of narrow and small space department locating pin.

Description

Pin puller

Technical Field

The application relates to the technical field of disassembling tools, in particular to a pin puller.

Background

A production workshop is generally provided with a plurality of process equipment, and the process equipment is positioned and connected by using internal thread cylindrical positioning pins of different types according to the connection requirements among various parts. Under the conditions of daily equipment maintenance, quality optimization and the like, the positioning pin needs to be disassembled firstly. In the prior art, a traditional pin puller is mostly adopted for detaching a positioning pin, and comprises a wire pulling sleeve, a wire pulling hammer and a plurality of wire pulling devices of different types, wherein one end of each wire pulling device is inserted into the positioning pin and is in threaded connection with the positioning pin, and the other end of each wire pulling device is sleeved on a first end of the wire pulling hammer and is in threaded connection with a first end of the wire pulling hammer; the wire drawing sleeve is sleeved at the second end of the drawing hammer and is in threaded connection with the second end of the drawing hammer. When the device is used, the wire drawing and the hammer drawing, the wire drawing sleeve and the positioning pin to be disassembled which are matched with the type of the positioning pin to be disassembled are assembled, and then the wire drawing sleeve is drawn out of the positioning pin to be disassembled. However, as the process equipment in the production workshop is compactly arranged, the positioning pin to be disassembled is in a narrow space, and the total length of the traditional pin puller after being assembled is about 400mm, the traditional pin puller cannot be pulled after being assembled, or the hand or arm of an operator collides with the equipment in the process of pulling the wire drawing sleeve. In addition, because the wire drawing device needs to be matched with positioning pins of different models, wire drawing of different models can be equipped in the traditional pin drawing device, and the wire drawing can not be suitable for drawing hammers of different models, so that the purchase cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one aspect of the above problems, the present invention provides a pin puller, which comprises a housing, a screw rod and a connecting block; the housing includes a top plate; the screw penetrates through the top plate, the head of the screw is positioned above the top plate, and the screw is in threaded connection with the top plate; the connecting block is of an internal hollow structure and comprises a top surface part and a bottom surface part, and the bottom end of the screw rod is fixedly connected with the top surface part; at least one mounting hole is formed in the bottom face portion, the size of the mounting hole is matched with that of the pin pulling bolt, and the mounting hole is communicated with the hollow structure. Through the technical scheme, adopt the pin puller collocation pin puller bolt of this application to dismantle the locating pin, screw portion precession locating pin's that will pull out the pin bolt internal thread, the head of pulling out the pin bolt injects in the mounting hole, the staff holds the rotatory screw rod of roof, make the distance increase between the relative roof of screw rod head, the screw rod bottom relies on the connecting block to stimulate the pin puller bolt, thereby extract the locating pin, the pin puller compact structure of this application, length in the use is about 130mm, shared space is little, be convenient for collect, and the mode of extracting the locating pin through rotatory screw rod does not need extra space of pulling out, therefore, the pin puller of this application is applicable to the dismantlement of narrow and small space department locating pin. In addition, when the pin puller of this application takes place to damage, only need change the pin puller, and the pin pulling bolt that matches with the locating pin need not to change, has reduced the purchase cost.

Preferably, the mounting holes are provided with a plurality of sizes, the sizes of the mounting holes are respectively matched with the sizes of the pull pin bolts of various models, and two adjacent mounting holes are communicated. Through the technical scheme, on one hand, the characteristics of the mounting holes are disclosed, and as the types of the pin pulling bolts are different, the sizes of the pin pulling bolts are different, so that the sizes of the mounting holes matched with the sizes of the pin pulling bolts are different, the two adjacent mounting holes with different sizes are communicated, the head parts of the pin pulling bolts can be inserted into the mounting holes with the sizes larger than the sizes of the pin pulling bolts and then move to the mounting holes matched with the thread parts of the pin pulling bolts, and the pin pulling bolts are inserted into the bottom surface part; on the other hand, set up a plurality of mounting holes that match with pin pulling bolt size for the pin pulling device of this application can adapt to the pin pulling bolt of multiple model, thereby can dismantle the locating pin of multiple model.

Preferably, the plurality of mounting holes are arranged in a straight line and arranged in a manner of gradually increasing in size. Through above-mentioned technical scheme, arrange a plurality of mounting holes according to the mode that the size is crescent, be favorable to the pin pulling bolt to peg graft with bottom surface portion convenient and fast.

Preferably, the connection block includes a side surface portion; side portion has all seted up the through-hole on the relative both sides of the extending direction that a plurality of mounting holes straight lines were arranged, the through-hole along the size of bottom portion extending direction and the total length phase-match behind a plurality of mounting holes intercommunication. Through above-mentioned technical scheme, because there is the wall thickness in the side portion of connecting block, and the size that will guarantee the connecting block is little, the pin pulling bolt of the same quantity of adaptation, after the pin pulling bolt is inserted the mounting hole, the head that has the pin pulling bolt takes place the condition of interfering with the inner wall of the relative both sides in side portion, consequently, all set up the through-hole with the relative both sides in side portion, under the small-size and the pin pulling bolt's of adaptation the same quantity's of assurance connecting block prerequisite, the head of having avoided the pin pulling bolt takes place the condition of interfering with the inner wall of the relative both sides in side portion and takes place.

Preferably, the housing further comprises a sleeve; telescopic top surface and the bottom surface fixed connection of roof, the connecting block is worn to establish in the sleeve, has the clearance between the surface of connecting block side portion and the telescopic inner wall. Through above-mentioned technical scheme, the connecting block removes along telescopic extending direction in the sleeve, is favorable to the stability of pin puller pulling out the in-process.

Preferably, the sleeve wall is provided with a viewing port near the bottom end of the sleeve. Through above-mentioned technical scheme, set up the viewing aperture, be convenient for observe the inside condition of pin puller.

Preferably, a hexagonal hole is formed in the top surface of the screw head. Through the technical scheme, the hexagonal hole used for being matched with the inner hexagonal wrench is formed in the head of the screw rod, so that the screw rod is convenient to rotate.

Preferably, the top surface part is provided with a light hole, and the screw rod is arranged in the light hole in a penetrating manner; the bottom fixedly connected with first fixed block of screw rod, first fixed block setting is in the below of apical part.

Preferably, the bottom fixedly connected with second fixed block of screw rod, the second fixed block is located the top of top surface portion, the top surface of first fixed block and the bottom surface of second fixed block respectively with the bottom surface and the top surface laminating of top surface portion. Through the technical proposal, the utility model has the advantages that,

the utility model discloses a pin puller has following beneficial effect:

(1) Through setting up the connecting block that has the mounting hole, during the locating pin of treating the dismantlement is precession to the screw thread portion of pulling out the round pin bolt, the head of pulling out the round pin bolt injects the mounting hole in, recycles screw rod and casing, thereby rotatory screw rod drives the connecting block and removes the locating pin in the casing, the pin puller compact structure of this application, shared space is little, be convenient for receive and put to the mode of pulling out the locating pin through rotatory screw rod does not need extra space of pulling out, be applicable to the dismantlement of narrow and small space department locating pin.

(2) A plurality of mounting holes which are arranged in a straight line and gradually increased in size are formed in the bottom face of the connecting block, and the two adjacent mounting holes are communicated, so that the pin pulling bolts matched with various models can be favorably used for pulling out various types of positioning pins conveniently and quickly.

Drawings

For a better understanding of the above and other objects, features, advantages and functions of the invention, reference should be made to the embodiments illustrated in the drawings. Like reference numerals in the drawings refer to like parts. It will be understood by those skilled in the art that the drawings are intended to illustrate a preferred embodiment of the invention without any limiting effect on the scope of the invention, and that the various components in the drawings are not to scale.

Fig. 1 shows a schematic structural view of a pin puller according to an embodiment of the present invention;

FIG. 2 illustrates a front view of a pin puller according to an embodiment of the present invention;

fig. 3 shows a bottom view of a pin puller according to an embodiment of the present invention.

Description of the reference numerals:

1. a housing; 11. a top plate; 12. a sleeve; 121. an observation port; 2. a screw; 21. a hexagonal hole; 22. a first fixed block; 23. a second fixed block; 3. connecting blocks; 31. a top surface portion; 32. a bottom surface portion; 321. mounting holes; 33. a side surface portion; 331. and a through hole.

Detailed Description

Exemplary embodiments of the present disclosure are described below with reference to the accompanying drawings, in which various details of the embodiments of the disclosure are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

The term "include" and variations thereof as used herein is meant to be inclusive in an open-ended manner, i.e., "including but not limited to". Unless specifically stated otherwise, the term "or" means "and/or". The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first," "second," and the like may refer to different or the same objects. Other explicit and implicit definitions are also possible below.

To at least partially address one or more of the above issues and other potential issues, one embodiment of the present disclosure proposes a pin puller comprising a housing 1, a screw 2, and a connecting block 3; the housing 1 includes a top plate 11; the screw rod 2 penetrates through the top plate 11, the head of the screw rod 2 is positioned above the top plate 11, and the screw rod 2 is in threaded connection with the top plate 11; the connecting block 3 is of an internal hollow structure, the connecting block 3 comprises a top surface part 31 and a bottom surface part 32, and the bottom end of the screw rod 2 is fixedly connected with the top surface part 31; at least one mounting hole 321 is formed in the bottom surface portion 32, the size of the mounting hole 321 is matched with that of the pin pulling bolt, and the mounting hole 321 is communicated with the hollow structure.

Specifically, as shown in fig. 1 to 3, the housing 1 includes a top plate 11 and a sleeve 12; in the present embodiment, the top plate 11 is oval, and the top plate 11 is horizontally disposed; the sleeve 12 extends along the vertical direction, the transverse dimension of the sleeve 12 is matched with the dimension of the top plate 11, the top surface of the sleeve 12 is fixedly connected with the bottom surface of the top plate 11 in a seamless mode, and the shell 1 is integrally formed; in some embodiments, the wall of the barrel 12 defines a circular viewing port 121 proximate the bottom end of the barrel 12.

The moving block is of an internal hollow structure and comprises a top surface part 31, a side surface part 33 and a bottom surface part 32, and the moving block is integrally formed; the top surface part 31 and the bottom surface part 32 are both oval and are arranged along the horizontal direction, the transverse size of the top surface part 31 is equal to that of the bottom surface part 32, and the transverse sizes of the top surface part and the bottom surface part are both slightly smaller than that of the sleeve 12; side portion 33 extends along vertical direction, and the lateral dimension of side portion 33 matches with the lateral dimension of top surface portion 31, and the top surface of side portion 33 and the seamless fixed connection of bottom surface of top surface portion 31, the seamless fixed connection of bottom surface of the bottom surface of side portion 33 and bottom surface 32, connecting block 3 wear to establish in sleeve 12, have the clearance between the outer surface of side portion 33 and the inner wall of sleeve 12.

The bottom surface portion 32 is provided with at least one mounting hole 321, in some embodiments, the bottom surface portion 32 is provided with one mounting hole 321, the size of the mounting hole 321 is matched with the size of the head portion of the pin pulling bolt, and the head portion of the pin pulling bolt is inserted into the mounting hole 321; in some embodiments, the bottom surface portion 32 is provided with two mounting holes 321, one mounting hole 321 has a size matched with the size of the head portion of the pin pulling bolt, one mounting hole 321 has a size matched with the size of the threaded portion of the pin pulling bolt, the two mounting holes 321 are communicated, and the mounting holes 321 are communicated with the hollow structure; in some embodiments, the number of the mounting holes 321 is multiple, the size of the multiple mounting holes 321 is respectively matched with the size of the pin pulling bolts of multiple types, that is, multiple mounting holes 321 matched with the heads of the multiple types of pin pulling bolts and multiple mounting holes 321 matched with the threaded portions of the multiple types of pin pulling bolts exist in the multiple mounting holes 321, as shown in fig. 3, the multiple mounting holes 321 are arranged in a straight line and are arranged in a manner of gradually increasing size, and two adjacent mounting holes 321 are communicated; through-hole 331 has all been seted up on the relative both sides of the extending direction that side portion 33 arranged along a plurality of mounting hole 321 straight lines, and through-hole 331 matches along total length behind the size of bottom portion 32 extending direction and the intercommunication of a plurality of mounting hole 321.

The screw rod 2 vertically penetrates through the top plate 11, the head of the screw rod 2 is positioned above the top plate 11, and the screw rod 2 is in threaded connection with the top plate 11; in some embodiments, the top surface portion 31 is provided with an unthreaded hole, the screw 2 penetrates through the unthreaded hole, the bottom end of the screw 2 is fixedly connected with the first fixing block 22 and the second fixing block 23, both the axis of the first fixing block 22 and the axis of the second fixing block 23 coincide with the axis of the screw 2, the first fixing block 22 is arranged below the top surface portion 31, the second fixing block 23 is arranged above the top surface portion 31, and the top surface of the first fixing block 22 and the bottom surface of the second fixing block 23 are respectively attached to the bottom surface and the top surface of the top surface portion 31; the top surface of the head of the screw 2 is provided with a hexagonal hole 21, and the size of the hexagon is matched with that of an inner hexagonal wrench.

Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements to the market, or to enable others of ordinary skill in the art to understand the disclosure.

Claims

1. A pin puller is characterized in that: comprises a shell (1), a screw (2) and a connecting block (3);

the housing (1) comprises a top plate (11);

the screw rod (2) penetrates through the top plate (11), the head of the screw rod (2) is positioned above the top plate (11), and the screw rod (2) is in threaded connection with the top plate (11);

the connecting block (3) is of an internal hollow structure, the connecting block (3) comprises a top surface part (31) and a bottom surface part (32), and the bottom end of the screw rod (2) is fixedly connected with the top surface part (31); at least one mounting hole (321) is formed in the bottom surface portion (32), the size of the mounting hole (321) is matched with that of the pin pulling bolt, and the mounting hole (321) is communicated with the hollow structure.

2. A pin puller as set forth in claim 1, wherein: the mounting holes (321) are provided with a plurality of holes, the sizes of the mounting holes (321) are matched with the sizes of various types of pull pin bolts respectively, and two adjacent mounting holes (321) are communicated.

3. A pin puller as set forth in claim 2, wherein: the mounting holes (321) are linearly arranged and are arranged in a mode of gradually increasing the size.

4. A pin puller as set forth in claim 3, wherein: the connecting block (3) comprises a side surface part (33); through holes (331) are respectively formed in the two opposite sides of the extending direction of the side face portion (33) which is linearly arranged along the mounting holes (321), and the size of each through hole (331) along the extending direction of the bottom face portion (32) is matched with the total length of the plurality of mounting holes (321) after the through holes are communicated.

5. A pin puller as set forth in claim 1, wherein: the housing (1) further comprises a sleeve (12); the top surface of the sleeve (12) is fixedly connected with the bottom surface of the top plate (11), the connecting block (3) is arranged in the sleeve (12) in a penetrating mode, and a gap exists between the outer surface of the side surface portion (33) of the connecting block (3) and the inner wall of the sleeve (12).

6. A pin puller as set forth in claim 5, wherein: an observation port (121) is formed in the wall of the sleeve (12) close to the bottom end of the sleeve (12).

7. A pin puller as set forth in claim 1, wherein: the top surface of the head of the screw rod (2) is provided with a hexagonal hole (21).

8. A pin puller as set forth in claim 1, wherein: the top surface part (31) is provided with a unthreaded hole, and the screw rod (2) is arranged in the unthreaded hole in a penetrating way; the bottom end of the screw rod (2) is fixedly connected with a first fixing block (22), and the first fixing block (22) is arranged below the top surface portion (31).

9. A pin puller as set forth in claim 8, wherein: the bottom end of the screw rod (2) is fixedly connected with a second fixing block (23), the second fixing block (23) is located above the top surface portion (31), and the top surface of the first fixing block (22) and the bottom surface of the second fixing block (23) are attached to the bottom surface and the top surface of the top surface portion (31) respectively.