CN205438396U - Pin puller - Google Patents

Pin puller Download PDF

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Publication number
CN205438396U
CN205438396U CN201521095563.XU CN201521095563U CN205438396U CN 205438396 U CN205438396 U CN 205438396U CN 201521095563 U CN201521095563 U CN 201521095563U CN 205438396 U CN205438396 U CN 205438396U
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CN
China
Prior art keywords
screw thread
pin
ball bearing
tip
thrust ball
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201521095563.XU
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Chinese (zh)
Inventor
成钢
何盾
李楠贵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jianglu Machinery and Electronics Group Co Ltd
Original Assignee
Jianglu Machinery and Electronics Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jianglu Machinery and Electronics Group Co Ltd filed Critical Jianglu Machinery and Electronics Group Co Ltd
Priority to CN201521095563.XU priority Critical patent/CN205438396U/en
Application granted granted Critical
Publication of CN205438396U publication Critical patent/CN205438396U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a pin puller, includes the screw dead man, and the screw dead man includes major part tip, intermediate part, microcephaly's tip, and the major part tip links to each other with the up end of intermediate part, and microcephaly's tip links with the lower extreme facial features of intermediate part, the external diameter of major part tip is greater than the external diameter of intermediate part, and the external diameter of microcephaly's tip is lighter than the external diameter of intermediate part, microcephaly's tip is equipped with the external screw thread, microcephaly's tip be used for with locating pin threaded connection, the threaded disk seat of intermediate part overcoat, the transversal regular hexagon that personally submits of screw disk seat, screw disk seat and intermediate part surface adopt trapezoidal threaded connection, when the screw disk seat in that the spanner is clockwise when pulling, the screw dead man receives the screw to pull out in the axial for the masterpiece upward movement and draw out the locating pin, the screw pulls out the lower tip of seat and can dismantle with one up end and be connected. The utility model discloses stability is good, and the reliability is high, operation convenient to use, and the modern design, the locating pin takes out portably, and the snaggletooth probability is low, and the practicality is strong, easily popularizes and applies.

Description

A kind of pin removal
Technical field
This utility model relates to the puller of alignment pin, particularly relates to a kind of pin removal.
Background technology
In mechanical part assembling and maintenance, we it is frequently necessary to choose out its alignment pin, traditional pin removal is a kind of impact type force mechanism (such as Fig. 1), the effect of jump bit 11 is to be converted into, by impulsive force, the power of pulling pin, and the effect of connecting rod 12 is that the power of pulling pin passes to alignment pin 40, wherein, the external screw thread of connecting rod is threadeded with the female thread of alignment pin.
Above-mentioned alignment pin plucking apparatus, owing to force causes its moment impact kinetic energy limited apart from limited, power of choosing alignment pin less than normal is not easily taken out.Simultaneously because the screw thread stress that moment impact kinetic energy easily causes pin removal and alignment pin is concentrated and snaggletooth, cause mechanical part damaged.This problems demand solves.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art to provide a kind of pin removal.
For achieving the above object, a kind of pin removal that this utility model provides, including:
Screw thread dead man, described screw thread dead man includes that major part end, pars intermedia, little cephalic par, described major part end are connected with the upper surface of pars intermedia, and described little cephalic par is connected with the lower surface of pars intermedia;The external diameter of described major part end is more than the external diameter of pars intermedia, and the external diameter of described little cephalic par is less than the external diameter of pars intermedia;
Described little cephalic par is provided with external screw thread, and described little cephalic par is for threadeding with alignment pin;
Thread valve seat it is cased with outside described pars intermedia, the cross section of described screw thread valve seat is regular hexagon, described screw thread valve seat uses trapezoidal thread to be connected with described pars intermedia outer surface, when described screw thread valve seat is pulled clockwise at spanner, screw thread dead man is pulled out seat by screw thread and axially goes up power effect and move upward and draw out alignment pin;
The upper surface of bottom and a flat thrust ball bearing that described screw thread pulls out seat removably connects, and the lower surface of described flat thrust ball bearing is in close contact with product component seal face, and described flat thrust ball bearing is positioned at the surface of pin-and-hole.
Preferably, described screw thread pulls out the bottom of seat and is provided with the first bulge loop structure and matches to prevent screw thread from pulling out seat with flat thrust ball bearing and come off from described flat thrust ball bearing.
Preferably, the lower section of described flat thrust ball bearing is additionally provided with the auxiliary block with through hole, described screw thread dead man stretches out from the lower surface of described auxiliary block, and the lower surface of described auxiliary block is in close contact with product component seal face, and described auxiliary block is positioned at the surface of pin-and-hole.
Preferably, the upper surface of described auxiliary block is provided with the second bulge loop structure matched with described flat thrust ball bearing lower surface.
This utility model, with trapezoidal thread power transmission, becomes alignment pin to the power of choosing by torque spanner translating rotation, and Novel pin remover is mainly made up of two parts and a standard component: screw thread dead man, screw thread pull out seat and flat thrust ball bearing.
The beneficial effects of the utility model are:
1, the screw thread of little cephalic par of screw thread dead man is connected with the female thread of alignment pin, pull out six for square toes of seat with torque spanner right-handed thread after connection, now screw thread dead man moves up and drives taking out positioning pin, this process power of pulling pin is a kind of linear reinforcement, can manual control moment and avoid the female thread of alignment pin damaged.
2, flat thrust ball bearing mainly reduces screw thread and pulls out the rotating friction force between seat and product component seal face.
3, uniformly annular is placed around pin-and-hole, pin-and-hole is in the middle position of described flat thrust ball bearing, after flat thrust ball bearing is pressed on product component seal face, screw thread pulls out seat and screw thread dead man one is pulled out a seam by screw thread and is pressed on flat thrust ball bearing in plane, after screw thread dead man bottom thread is threadeded with pin-and-hole and is strained, with spanner clockwise plate six square toes, screw thread dead man is pulled out seat by screw thread and axially goes up power effect and draw out alignment pin.Realize flexibility and pull out alignment pin.
4, use standard common spanner combine this pin removal can laborsaving 80%, this pin removal pull out force is slow formula reinforcement simultaneously, flexible reliable, adaptability is wider;The screw thread stress that conventional percussion force mechanism can be avoided to easily cause pin removal and alignment pin due to moment impact kinetic energy is concentrated and snaggletooth, causes mechanical part damaged.
5, position being had to the mechanical part of interference, increase auxiliary block, to promote the Novel pin remover scope of application, mainly avoids the location conflicts of neighbouring parts, and auxiliary block can reduce contact surface, it is to avoid and mechanical part structure generation location conflicts.If structure can be used without location conflicts.
6, Novel pin remover uses trapezoidal thread to couple, trapezoidal thread power transmission is a kind of linear force-increasing mechanism (traditional pin removal is moment force), the screw thread stress causing pin removal and alignment pin can be avoided to concentrate and snaggletooth, its alignment pin can be carried out flexibility and extract.The use of this Novel pin remover can reduce to greatest extent and causes because pulling pin mechanical part damaged.
This utility model good stability, reliability is high, easy for operation, novel in design, and taking out positioning pin is easy, and snaggletooth probability is low, practical, it is easy to popularization and application.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art one pin removal;
Fig. 2 is the structural representation of Novel pin remover one embodiment described in the utility model;
Fig. 3 is the A-A profile of Fig. 2;
Fig. 4 is use state diagram during this utility model increase auxiliary block, and being applied to pull out position has the alignment pin in the mechanical part of interference;
Fig. 5 is this utility model use state diagram when not using auxiliary block;
Reference:
Jump bit 11;
Connecting rod 12;
The external screw thread 13 of connecting rod;
Screw thread dead man 21;
Screw thread valve seat 22;
Flat thrust ball bearing 23;
Auxiliary block 24;
Product component seal face 25;
Alignment pin 40.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, and the most same or similar label represents same or similar element or has the element of same or like function.The embodiment described below with reference to accompanying drawing is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", on " ", D score, " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In this utility model, unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection ", the term such as " fixing " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;Can be to be mechanically connected, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
It is the structural representation of Novel pin remover one embodiment described in the utility model with reference to Fig. 2 to Fig. 5, Fig. 2;Fig. 3 is the A-A profile of Fig. 2;Fig. 4 is use state diagram during this utility model increase auxiliary block 24, and being applied to pull out position has the alignment pin 40 in the mechanical part of interference;Fig. 5 is this utility model use state diagram when not using auxiliary block 24.
Such as Fig. 2, a kind of pin removal that this utility model provides, including screw thread dead man 21, described screw thread dead man 21 includes that major part end, pars intermedia, little cephalic par, described major part end are connected with the upper surface of pars intermedia, and described little cephalic par is connected with the lower surface of pars intermedia;The external diameter of described major part end is more than the external diameter of pars intermedia, and the external diameter of described little cephalic par is less than the external diameter of pars intermedia;Described little cephalic par is provided with external screw thread, and described little cephalic par is for threadeding with alignment pin 40;Thread valve seat 22 it is cased with outside described pars intermedia, the cross section of described screw thread valve seat 22 is regular hexagon, described screw thread valve seat 22 uses trapezoidal thread to be connected with described pars intermedia outer surface, when described screw thread valve seat 22 is pulled clockwise at spanner, screw thread dead man 21 is pulled out seat by screw thread and axially goes up power effect and move upward and draw out alignment pin 40;The upper surface of bottom and a flat thrust ball bearing 23 that described screw thread pulls out seat removably connects, and the lower surface of described flat thrust ball bearing 23 is in close contact with product component seal face 25, and described flat thrust ball bearing 23 is positioned at the surface of pin-and-hole.
As an embodiment of the present utility model, such as Fig. 2, described screw thread pulls out the bottom of seat and is provided with the first bulge loop structure and matches to prevent screw thread from pulling out seat with flat thrust ball bearing 23 and come off from described flat thrust ball bearing 23.
As an embodiment of the present utility model, such as Fig. 4, the lower section of described flat thrust ball bearing 23 is additionally provided with the auxiliary block 24 with through hole, described screw thread dead man 21 stretches out from the lower surface of described auxiliary block 24, the lower surface of described auxiliary block 24 is in close contact with product component seal face 25, and described auxiliary block 24 is positioned at the surface of pin-and-hole.
As an embodiment of the present utility model, the upper surface of described auxiliary block 24 is provided with the second bulge loop structure matched with described flat thrust ball bearing 23 lower surface.
This utility model with trapezoidal thread power transmission, becomes alignment pin 40 axially to choose power by torque spanner translating rotation, and Novel pin remover is mainly made up of two parts and a standard component: screw thread dead man 21, screw thread pull out seat and flat thrust ball bearing 23.
During use, the screw thread of the little cephalic par of screw thread dead man 21 is connected with the female thread of alignment pin 40, pull out six for square toes of seat with torque spanner right-handed thread after connection, now screw thread dead man 21 moves up and drives alignment pin 40 to take out, this process power of pulling pin is a kind of linear reinforcement, can manual control moment and avoid the female thread of alignment pin 40 damaged.Flat thrust ball bearing 23 mainly reduces screw thread and pulls out the rotating friction force between seat and product component seal face 25.
Operation instruction: uniformly annular is placed around pin-and-hole, pin-and-hole is in the middle position of described flat thrust ball bearing 23, after flat thrust ball bearing 23 is pressed on product component seal face 25, screw thread pulls out seat and screw thread dead man 21 one is pulled out a seam by screw thread and is pressed on flat thrust ball bearing 23 in plane, after screw thread dead man 21 bottom thread is threadeded with pin-and-hole and is strained, with spanner plate six square toes clockwise (such as Fig. 3, Fig. 3 is the A-A profile of Fig. 2), screw thread dead man 21 is pulled out seat by screw thread and axially goes up power effect and draw out alignment pin 40.
Use standard common spanner combine this pin removal can laborsaving 80%, this pin removal pull out force is slow formula reinforcement simultaneously, flexible reliable, adaptability is wider;The screw thread stress that conventional percussion force mechanism can be avoided to easily cause pin removal and alignment pin 40 due to moment impact kinetic energy is concentrated and snaggletooth, causes mechanical part damaged.
Position being had to the mechanical part of interference, increase auxiliary block 24, to promote the Novel pin remover scope of application (Fig. 4), mainly avoids the location conflicts of neighbouring parts, and auxiliary block 24 can reduce contact surface, it is to avoid and mechanical part structure generation location conflicts.If structure (Fig. 5) can be used without location conflicts:
Novel pin remover uses trapezoidal thread to couple, trapezoidal thread power transmission is a kind of linear force-increasing mechanism (traditional pin removal is moment force), the screw thread stress causing pin removal and alignment pin 40 can be avoided to concentrate and snaggletooth, its alignment pin 40 can be carried out flexibility and extract.The use of this Novel pin remover can reduce to greatest extent and causes because pulling pin mechanical part damaged.
This utility model good stability, reliability is high, easy for operation, novel in design, practical, it is easy to popularization and application.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means that the specific features, structure, material or the feature that combine this embodiment or example description are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is exemplary, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in the range of this utility model in the case of without departing from principle of the present utility model and objective, revises, replace and modification by those of ordinary skill in the art.

Claims (4)

1. a pin removal, it is characterised in that including:
Screw thread dead man, described screw thread dead man includes that major part end, pars intermedia, little cephalic par, described major part end are connected with the upper surface of pars intermedia, and described little cephalic par is connected with the lower surface of pars intermedia;The external diameter of described major part end is more than the external diameter of pars intermedia, and the external diameter of described little cephalic par is less than the external diameter of pars intermedia;
Described little cephalic par is provided with external screw thread, and described little cephalic par is for threadeding with alignment pin;
Thread valve seat it is cased with outside described pars intermedia, the cross section of described screw thread valve seat is regular hexagon, described screw thread valve seat uses trapezoidal thread to be connected with described pars intermedia outer surface, when described screw thread valve seat is pulled clockwise at spanner, screw thread dead man is pulled out seat by screw thread and axially goes up power effect and move upward and draw out alignment pin;
The upper surface of bottom and a flat thrust ball bearing that described screw thread pulls out seat removably connects, and the lower surface of described flat thrust ball bearing is in close contact with product component seal face, and described flat thrust ball bearing is positioned at the surface of pin-and-hole.
Pin removal the most according to claim 1, it is characterised in that described screw thread pulls out the bottom of seat and is provided with the first bulge loop structure and matches to prevent screw thread from pulling out seat with flat thrust ball bearing and come off from described flat thrust ball bearing.
Pin removal the most according to claim 1, it is characterized in that, the lower section of described flat thrust ball bearing is additionally provided with the auxiliary block with through hole, described screw thread dead man stretches out from the lower surface of described auxiliary block, the lower surface of described auxiliary block is in close contact with product component seal face, and described auxiliary block is positioned at the surface of pin-and-hole.
Pin removal the most according to claim 3, it is characterised in that the upper surface of described auxiliary block is provided with the second bulge loop structure matched with described flat thrust ball bearing lower surface.
CN201521095563.XU 2015-12-24 2015-12-24 Pin puller Active CN205438396U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521095563.XU CN205438396U (en) 2015-12-24 2015-12-24 Pin puller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521095563.XU CN205438396U (en) 2015-12-24 2015-12-24 Pin puller

Publications (1)

Publication Number Publication Date
CN205438396U true CN205438396U (en) 2016-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521095563.XU Active CN205438396U (en) 2015-12-24 2015-12-24 Pin puller

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108340315A (en) * 2018-03-29 2018-07-31 正和汽车科技(十堰)股份有限公司 A kind of pin removal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108340315A (en) * 2018-03-29 2018-07-31 正和汽车科技(十堰)股份有限公司 A kind of pin removal

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