CN102384141A - Connecting piece with fast disassembly and assembly - Google Patents

Connecting piece with fast disassembly and assembly Download PDF

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Publication number
CN102384141A
CN102384141A CN2011103813861A CN201110381386A CN102384141A CN 102384141 A CN102384141 A CN 102384141A CN 2011103813861 A CN2011103813861 A CN 2011103813861A CN 201110381386 A CN201110381386 A CN 201110381386A CN 102384141 A CN102384141 A CN 102384141A
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China
Prior art keywords
pin
split washer
rolling element
groove
link
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Granted
Application number
CN2011103813861A
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Chinese (zh)
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CN102384141B (en
Inventor
王伟
马霄
田长留
康玉辉
安林超
李景阳
郭云霞
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Henan Mechanical and Electrical Engineering College
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Henan Mechanical and Electrical Engineering College
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Priority to CN2011103813861A priority Critical patent/CN102384141B/en
Publication of CN102384141A publication Critical patent/CN102384141A/en
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Publication of CN102384141B publication Critical patent/CN102384141B/en
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Abstract

The invention discloses a connecting piece with fast disassembly and assembly, and aims to design a connecting piece capable of realizing fast disassembly and assembly, and mainly adopts the technical scheme that the connecting piece with fast disassembly and assembly comprises a pin, a fixing sleeve, a split washer and a rolling body, wherein the split washer is arranged in the internal groove of the fixing sleeve; the rolling body is arranged in the groove of the split washer; the circumference of the bottom surface of the groove in contact with the rolling body has different curvature radiuses; the pin is inserted into the split washer; and a concave pit is formed on the surface of the pin. The connecting piece disclosed by the invention has the advantages that the structure is reasonable; components required to be connected can be disassembled and assembled fast, so as to improve the production efficiency; and the connecting piece can meet various requirements on fast disassembly and assembly.

Description

A kind of link of fast demountable
Technical field:
The present invention relates to the link of fixing or clamp structure, particularly a kind of fast demountable.
Background technique:
Bolt and nut is one of the most frequently used connection fastening piece, uses very extensively.When bolt and nut connects, utilize screwing each other of internal and external threads, extruding, object is fastenedly connected between the realization bolt and nut.During connection, nut will be screwed to body surface from the threaded tip of bolt, makes bolt produce certain pulling force, till fastening.During dismounting, nut must all withdraw from the screw thread of bolt, could realize being connected the fractionation of object.Therefore there is such defective in this connection: when being connected the less thick of object, tightening or unscrew nut will be through multiple-pass more, when not having special-purpose extracting tool fast, installs, dismounting speed is slow, efficient low (idle stroke is too much).In addition, get loose from bolt, need take some proof measures, increase the pretightening force between the bolt, bring very big inconvenience to dismounting in order to prevent nut.
In the prior art, patent 200710146208.4 discloses a kind of locking link of quick loading and unloading.The major part of the link that it is related, there are protruding or fluting in screw thread collar, special bolt on the structure, complex-shaped, are not easy to manufacturing.This fastening piece when unclamping, still needs rotary threaded fastening, particularly when dismounting, needs to adopt special tool to strut the screw thread collar and could realize dismounting, therefore operates very inconvenience.
Summary of the invention:
The objective of the invention is to design a kind of link that can realize fast assembling-disassembling.
Technological scheme of the present invention is; A kind of link of fast demountable, it comprises pin, adapter sleeve, split washer and rolling element, it is characterized in that: split washer places the inside groove of adapter sleeve; Be provided with rolling element in the groove of split washer; The groove bottom that contacts with rolling element has different curvature radii in a circumferential direction, and pin inserts in the split washer, and the pin surface is provided with pit.Said pin is conical.Said pin is a cylindrical body in the part of closing on lug cap, and remaining part is conical.The shape of said pit and rolling element shape are consistent.Spherical, cylindrical or spindle of being shaped as of said rolling element etc.Be provided with spacing stop pin in the inside groove of said adapter sleeve.The inner peripheral surface portion of said split washer separates non-groove or the Internal and external cycle surface portion is opened groove.The groove of said split washer is curve bath or spiral chute in a circumferential direction.
The present invention is rational in infrastructure, can realize loading and unloading fast to the parts that needs connect, and has improved manufacturing efficiency, can be applicable to the multiple demand of quick loading and unloading.
Description of drawings:
Fig. 1 is a split structural representation of the present invention; Fig. 2 is the working state generalized section of wherein a kind of scheme of technological scheme according to the invention; Fig. 3 is the working state generalized section of the another kind of scheme of technological scheme according to the invention; Fig. 4 is a rolling element and the fastening structure of process schematic representation of pin in the technological scheme shown in Figure 2; Fig. 5 is a rolling element and the fastening structure of process schematic representation of pin in the technological scheme shown in Figure 3, and Fig. 6 is the structural representation of the split washer in the technological scheme shown in Figure 2, and Fig. 7 is the structural representation of the split washer in the technological scheme shown in Figure 3.
Embodiment:
Describe embodiment in detail in conjunction with accompanying drawing,
Embodiment one,
Pin 1 is shaped as " T " shape, and the pin base plane is contacted with being connected object, and along being furnished with many places pit 2 on the axial direction, the shape of pit and rolling element 4 shapes are consistent at the conus portion of pinning.The pin surface of this link does not have screw thread, screws the idle stroke of screw thread in the time of can avoiding connecting like this, can realize quick loading and unloading.Adapter sleeve 6 is used to lay split washer 5 and rolling element for internal surface has the part of circular groove 8.In the inside groove of adapter sleeve, be provided with a spacing stop pin 7, its position is corresponding consistent with the opening of split washer, and its surface should have certain gradient, so that adapt to the different opening of opening.In addition, for ease of the assembling adjustment, but spacing stop pin is preferably designed as pulling/inserting structure.For the ease of the tool using clamping, the outer surface of adapter sleeve should be provided with plane-parallel seam, adopts common hexagonal structure in this example.Split washer is a circlip that is provided with opening, is evenly distributed with 2 ~ 4 non-grooves 3 on its internal surface, is used to lay rolling element, and the described rolling element of present embodiment is a cylindrical body.The rolling element groove should be curve bath or spiral chute in a circumferential direction.The bottom surface of rolling element groove has different curvature radii in a circumferential direction, its objective is when rotation adapter sleeve and split washer, makes rolling element under the friction and Extrusion of bottom surface, is in different positions.
The present invention inserts pin in the hole that is connected object when mounted, and the end face of pin is contacted with object lower, and the compound body with adapter sleeve, split washer and rolling element passes the pin head again, makes the lower surface of adapter sleeve be pressed on the upper surface of object.In this process, because the effect of squeeze expanding of the pin conical surface makes rolling element one end contact with the conical surface of pinning, non-logical rolling element groove long radius bottom surface contacts on the other end and the split washer, and simultaneously, the outer surface of split washer closely contacts with the interior rooved face of adapter sleeve.Absent-mindedness occurs for preventing that split washer and relatively rotating of adapter sleeve from causing being connected, spacing stop pin is inserted the opening of split washer from the surface of adapter sleeve, utilize the squeezing action on the inclined-plane of spacing stop pin that adapter sleeve and split washer are coupled together.At this moment, under external force, press certain orientation rotation adapter sleeve; Rolling element moves in a circle along the pin surface; And under the lower arcuate surface friction and Extrusion effect of rolling element groove, rotate to the minor radius place by the long radius place, the rolling element part surface is pressed in the pit on pin surface.Like this, rolling element just is connected as a single entity pin and split washer and adapter sleeve, realizes that the connection of different objects is fastening.
The present invention is when dismounting; Simple opposite spin adapter sleeve, when the rolling element groove of split washer rotated to the radius larger part, rolling element just came off from the groove of pin; Just can separate the compound body of pin with adapter sleeve, split washer and rolling element this moment, realizes dismounting.
Because in the installation and removal process, the angle of swing of rolling element generally is no more than 120 °, and installation or removal institute tool using belongs to general tool, promptly rotates adapter sleeve and is no more than half-turn, just can realize the quick loading and unloading of link.In addition; When being changed by the fastening body thickness, the conical surface of pin still can squeeze distending mouth back-up ring, can guarantee adapter sleeve and contacted fast by the fastening surface; Simultaneously; The multilayer pit on pin surface can make rolling element realize that adapter sleeve, split washer are fastening with being connected of pin, thereby satisfy the connection between the different-thickness object.
Embodiment two,
Pin 1 is shaped as " T " shape, and the pin base plane is connected the object contact, and along being furnished with many places pit 2 on the axial direction, the shape of pit and rolling element 4 shapes are consistent at the conus portion of pinning.The pin surface of this link does not have screw thread, screws the idle stroke of screw thread in the time of can avoiding connecting like this, can realize quick loading and unloading.Adapter sleeve 6 has the part of circular groove 8 for internal surface, and the circular groove bottom surface shape of cross section of adapter sleeve is oval, is used to lay split washer 5 and rolling element, and the described rolling element of present embodiment is a spheroid.In the inside groove of adapter sleeve, be provided with a spacing stop pin 7, its position is corresponding consistent with the opening of split washer, and in addition, for ease of the assembling adjustment, but spacing stop pin is preferably designed as pulling/inserting structure.For the ease of the tool using clamping, the outer surface of adapter sleeve should be provided with plane-parallel seam, adopts common hexagonal structure in this example.The split washer of present embodiment is a circlip that is provided with opening; Be used to lay rolling element; Its structure is for being evenly distributed with 2 ~ 4 rolling element grooves 3 that communicate between internal surface and the outer surface; The upper and lower surfaces of rolling element groove just has certain gradient, can prevent that rolling element breaks away from from groove, and part rolling element surface energy contacts with the pin surface simultaneously.The rolling element groove should be curve bath or spiral chute in a circumferential direction.
The present invention inserts pin in the hole that is connected object when mounted, and the end face of pin is contacted with object lower, and the compound body with adapter sleeve, split washer and rolling element passes the pin head again, makes the lower surface of adapter sleeve be pressed on the upper surface of object.Squeeze under the effect of expanding at the pin conical surface, an end of rolling element contacts with the pin conical surface, and the other end contacts with the interior groove bottom of adapter sleeve, and is positioned at the long radius place.Absent-mindedness occurs for preventing that split washer and relatively rotating of adapter sleeve from causing being connected, spacing stop pin is inserted the opening of split washer from the surface of adapter sleeve, utilize the squeezing action on the inclined-plane of spacing stop pin that adapter sleeve and split washer are coupled together.At this moment, under external force, press certain orientation rotation adapter sleeve; Rolling element moves in a circle along the pin surface; And in adapter sleeve, under the lower arcuate surface friction and Extrusion effect of groove bottom, rotate to the minor radius place by the long radius place, the rolling element part surface is pressed in the pit on pin surface.Like this, rolling element just is connected as a single entity pin and split washer and adapter sleeve, realizes that the connection of different objects is fastening.
The present invention is when dismounting; Simple opposite spin adapter sleeve, during the groove radius larger part, rolling element just comes off from the pit of pin in rolling element rotates to adapter sleeve; Just can separate the compound body of pin with adapter sleeve, split washer and rolling element this moment, realizes dismounting.
Of the present invention rational in infrastructure, easy and simple to handle, can realize needing the quick loading and unloading of connected element, and can satisfy the quick connection of the object in the certain thickness, improved efficiency of construction greatly.

Claims (8)

1. the link of a fast demountable; It comprises pin, adapter sleeve, split washer and rolling element; It is characterized in that: split washer places the inside groove of adapter sleeve, is provided with rolling element in the groove of split washer, and the groove bottom that contacts with rolling element has different curvature radii in a circumferential direction; Pin inserts in the split washer, and the pin surface is provided with pit.
2. the link of a kind of fast demountable as claimed in claim 1 is characterized in that: described pin is for conical.
3. the link of a kind of fast demountable as claimed in claim 1 is characterized in that: said pin is a cylindrical body in the part of closing on lug cap, and remaining part is conical.
4. the link of a kind of fast demountable as claimed in claim 1, it is characterized in that: the shape of said pit and rolling element shape are consistent.
5. the link of a kind of fast demountable as claimed in claim 1 is characterized in that: spherical, cylindrical or spindle of being shaped as of said rolling element etc.
6. the link of a kind of fast demountable as claimed in claim 1 is characterized in that: be provided with spacing stop pin in the inside groove of said adapter sleeve.
7. the link of a kind of fast demountable as claimed in claim 1, it is characterized in that: the inner peripheral surface portion of said split washer separates non-groove or the Internal and external cycle surface portion is opened groove.
8. the link of a kind of fast demountable as claimed in claim 1 is characterized in that: the groove of said split washer is curve bath or spiral chute in a circumferential direction.
CN2011103813861A 2011-11-27 2011-11-27 Connecting piece with fast disassembly and assembly Expired - Fee Related CN102384141B (en)

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CN2011103813861A CN102384141B (en) 2011-11-27 2011-11-27 Connecting piece with fast disassembly and assembly

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Application Number Priority Date Filing Date Title
CN2011103813861A CN102384141B (en) 2011-11-27 2011-11-27 Connecting piece with fast disassembly and assembly

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CN102384141A true CN102384141A (en) 2012-03-21
CN102384141B CN102384141B (en) 2013-12-04

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454875A (en) * 2014-11-04 2015-03-25 贵州航天精工制造有限公司 Fixing and clamping assembly with fixed-distance steady-pressure quick releasing unthreaded bolt and unthreaded nut
CN105459146A (en) * 2015-12-26 2016-04-06 山东中际电工装备股份有限公司 Clamp fast-replacement mechanism
CN110762090B (en) * 2019-11-13 2021-07-02 哈尔滨工程大学 Quick assembling and disassembling mechanism and assembling and disassembling method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2769591Y (en) * 2004-12-30 2006-04-05 陈天龙 Fast positioning locking mechanism
US7044462B2 (en) * 2003-05-02 2006-05-16 Kabushiki Kaisha Imao Corporation Fixture
CN2830752Y (en) * 2005-07-21 2006-10-25 陈凌 Fant connecting lockpin
CN201090568Y (en) * 2007-11-05 2008-07-23 中国航天科技集团公司第五研究院第五○四研究所 Location locking mechanism of expansion link
CN101765533A (en) * 2007-06-12 2010-06-30 采埃孚转向机系统纳凯姆联合股份公司 Electric clamping device for an adjustable motor vehicle steering column
CN202381479U (en) * 2011-11-27 2012-08-15 河南机电高等专科学校 Connecting piece capable of being quickly assembled and disassembled

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7044462B2 (en) * 2003-05-02 2006-05-16 Kabushiki Kaisha Imao Corporation Fixture
CN2769591Y (en) * 2004-12-30 2006-04-05 陈天龙 Fast positioning locking mechanism
CN2830752Y (en) * 2005-07-21 2006-10-25 陈凌 Fant connecting lockpin
CN101765533A (en) * 2007-06-12 2010-06-30 采埃孚转向机系统纳凯姆联合股份公司 Electric clamping device for an adjustable motor vehicle steering column
CN201090568Y (en) * 2007-11-05 2008-07-23 中国航天科技集团公司第五研究院第五○四研究所 Location locking mechanism of expansion link
CN202381479U (en) * 2011-11-27 2012-08-15 河南机电高等专科学校 Connecting piece capable of being quickly assembled and disassembled

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454875A (en) * 2014-11-04 2015-03-25 贵州航天精工制造有限公司 Fixing and clamping assembly with fixed-distance steady-pressure quick releasing unthreaded bolt and unthreaded nut
CN105459146A (en) * 2015-12-26 2016-04-06 山东中际电工装备股份有限公司 Clamp fast-replacement mechanism
CN110762090B (en) * 2019-11-13 2021-07-02 哈尔滨工程大学 Quick assembling and disassembling mechanism and assembling and disassembling method thereof

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