CN201702747U - Device for installing engine piston pin snap spring - Google Patents
Device for installing engine piston pin snap spring Download PDFInfo
- Publication number
- CN201702747U CN201702747U CN2010201668493U CN201020166849U CN201702747U CN 201702747 U CN201702747 U CN 201702747U CN 2010201668493 U CN2010201668493 U CN 2010201668493U CN 201020166849 U CN201020166849 U CN 201020166849U CN 201702747 U CN201702747 U CN 201702747U
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- China
- Prior art keywords
- snap spring
- jump ring
- depression bar
- diameter
- fairlead
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a device for installing an engine piston pin snap spring, aims to overcome the defect that a snap spring pressing device in the prior art cannot adapt to the installation of an engine piston pin steel wire snap spring, and provides an installation device capable of tracking a whole process in which the diameter of the steel wire snap spring is reduced until the steel wire snap spring is pressed into a snap spring slot of a piston; the essentials are as follows: a guiding sleeve is arranged; the inner hole of the guiding sleeve is provided with a conical guiding surface with bigger upper end and smaller lower end; a pressure rod capable of sliding relative to the guiding sleeve is arranged in the guiding sleeve; the lower end of the pressure rod is provided with at least two elastic claws which are uniformly distributed; and the elastic claws can be folded towards the axis of the guiding sleeve and the outer diameter of the folded end is smaller than the diameter of the smaller end of the conical guiding surface in the guiding sleeve. The diameter of the elastic claws of the pressure rod of the snap spring installation device is changeable, can track the whole process in which the diameter of the steel wire snap spring is reduced until the steel wire snap spring is pressed into the snap spring slot of the piston, has simple and smart structure, is convenient to operate and has high efficiency.
Description
Technical field
The utility model belongs to engine art, specifically relates to a kind of engine gudgeon pin jump ring mounting technique.
Background technology
Along with the development of car engine machine technology, the function of its each parts and structure are also updated optimization.The piston rod part of existing 1.3L engine has just adopted the full floating structure, and elastic spring type piston pin clamping spring is installed at the piston pin two ends; But then there is certain difficulty with the installation of wire circlip in this kind hole as if the employing conventional method, and it can not directly be installed with nipper plier, and the rigidity of jump ring is bigger, can not directly install by hand.China Patent No. ZL200820088511.3, the patent that name is called internal circlip press-loading device discloses a kind of device at the installation of interior jump ring: it is included in base plate and is provided with guide pillar, the guide pillar upper end is provided with air cylinder fixed plate, slide up and down on the guide pillar between base plate and the air cylinder fixed plate and be connected with plug fixed head and overcoat fixed head, be connected by the compression spring between plug fixed head and the overcoat fixed head, the piston rod of cylinder is fixed with the upper end of pressing the jump ring plug after being passed down through air cylinder fixed plate, press jump ring plug and plug fixed head to be fixed together, be fixed with overcoat on the overcoat fixed head, the hollow structure of overcoat is coaxial with pressure jump ring plug, the hollow structure of overcoat has small top and big bottom taper hole section, press the lower end of jump ring plug can pass the minimum diameter position of the taper hole section of overcoat hollow structure, the below corresponding to overcoat on the base plate is provided with the workpiece location-plate.This press-loading apparatus should be effective for the installation of the circlip for hole of square-section, because the lateral width of the circlip for hole of rectangular cross section is bigger, press the jump ring plug with this back-up ring along in the taper hole section pushing process of overcoat inside, although the external diameter of back-up ring from large to small, and press the jump ring plug to contact with the back-up ring end face, until back-up ring is pressed into circlip groove.Yet wire circlip for circular cross section, situation is just different, the lateral width of wire circlip is very narrow, if also with this kind internal circlip press-loading device, because press the roof pressure end face of jump ring plug to contact with the lateral side wire of wire circlip this moment, and press the roof pressure end face diameter of jump ring plug to want big for the requirement of roof pressure starting stage, the roof pressure end stage requires to press the roof pressure end face diameter of jump ring plug smaller, some can make the plug end can not pass the taper hole section to end face diameter greatly if get, also just wire circlip can not be pressed onto position, the end, end face diameter touches less than wire circlip in the starting stage if get smaller meeting, on the contrary wire circlip is outwards pushed, and can not push downwards, this is a kind of awkward selection.
Summary of the invention
The utility model technical issues that need to address are, overcome the prior art internal circlip press-loading device and can not adapt to the deficiency that the engine gudgeon pin wire circlip is installed, a kind of convenient dexterous device that the engine gudgeon pin wire circlip is installed that is used for is provided, the device of this roof pressure jump ring can be followed the tracks of wire circlip diameter overall process from large to small, until the jump ring groove that wire circlip is pressed into piston.
The purpose of this utility model is achieved by following technical proposals: a kind of device that is used for the installation of engine gudgeon pin jump ring, comprise a fairlead, the endoporus of fairlead is provided with up big and down small conical spigot surface, in fairlead, be provided with respect to fairlead depression bar slidably, the bottom of depression bar is provided with at least two uniform elastic claws, and the outer end diameter after elastic claw can draw in and draw in towards the fairlead axis is less than the end diameter of described fairlead inner conical spigot surface.
The elastic claw of the uniform setting in described depression bar bottom can be three or four.
As preferably, described elastic claw is six.
Can be provided with the depression bar lid in the upper end of depression bar.
The device that described jump ring is installed can be furnished with special-purpose erecting bed, and the base of erecting bed is provided with positioning core axle and positioning boss, and positioning core axle is used for the piston pin location, and positioning boss is used for the connecting rod location; With the assembling in advance of connecting rod, piston and piston pin, again assembly is placed on the special-purpose erecting bed, and the endoporus of piston pin is aimed at positioning core axle.The surface that being used to of special-purpose erecting bed placed piston pin hole coincide with the piston pin hole end surface shape, piston rod part is placed stablized, and is convenient to piston pin clamping spring and assembles well.
When wire circlip is installed, earlier fairlead is put on piston pin hole, wire circlip is placed in the fairlead again, insert depression bar then, the elastic claw of depression bar withstands on the wire circlip end face; Cover at depression bar upper end cover upperpush rod, down depression bar is glided along fairlead by the moulded rod lid, along with the past lower slider of depression bar, the elastic claw of depression bar and wire circlip also glide synchronously along described conical spigot surface, and elastic claw and wire circlip are realized radial contraction synchronously; Along with the continuation of depression bar is glided, wire circlip is pushed to the jump ring groove of piston pin hole.
The making of described elastic claw can be divided equally milling with the depression bar bottom and be formed, and the gap width of milling need guarantee that the external diameter of elastic claw contraction rearward end is less than the piston pin hole diameter; Be provided with the arc transition section between the root of elastic claw, arc section can avoid workpiece can stress not concentrate and ftracture in heat treatment and use.
As preferably, the high-carbon low-alloy steel manufacturing of described depression bar, and through heat treatment, hardness is HRC44～51; Can greatly strengthen elasticity through heat treated elastic claw.
As preferably, the upper surface of described depression bar lid is a spherical shape, and spherical shape can make feel soft.
As preferably, to improve wearability, Technology for Heating Processing can be to quench to add lonneal to described fairlead through heat treatment.
The beneficial effects of the utility model are:
1. the elastic claw position diameter of depression bar is variable, can follow the tracks of wire circlip in pushing process diameter overall process from large to small, until the jump ring groove that wire circlip is pressed into piston;
2. dexterity simple in structure, easy to operate, the efficient height.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiments the utility model is further described.
Embodiment 1: in Fig. 1, a kind of device that is used for the installation of engine gudgeon pin jump ring is made up of fairlead 8 and depression bar 7, and the endoporus of fairlead 8 is provided with up big and down small conical spigot surface 81; It is six elastic claws that milling is divided equally in the lower end of depression bar 7, and the gap width of milling is 5mm, and this slit can guarantee that the external diameter of elastic claw contraction rearward end is less than the piston pin hole diameter; Be provided with the arc transition section between the root of elastic claw, arc diameter is 5mm.
The upper end of depression bar 7 is provided with a depression bar lid 6, and the upper surface of depression bar lid 6 is processed as spherical shape.
Fairlead 8 is through quenching and the lonneal processing, and hardness is HRC60～64.
For easier for installation efficient, specially make special-purpose erecting bed 1, erecting bed 1 is provided with positioning boss 11, and secure fit has positioning core axle 2, and it is identical with the piston pin hole end surface shape that being used to of erecting bed placed the surface of piston pin hole.When wire circlip is installed,, again assembly is placed on the erecting bed 1, and the endoporus of piston pin 4 is aimed at positioning core axle 2 connecting rod 9, piston 3 and piston pin 4 assembling in advance, with the big end shaft hole sleeve on positioning boss 11; Then fairlead 8 is put on piston pin hole, wire circlip 5 is placed in the fairlead 8 again, insert depression bar 7 then, the elastic claw of depression bar 7 withstands on wire circlip 5 end faces; At depression bar 7 upper end cover upperpush rods lid 6, down depression bar 7 is glided along fairlead 8 by moulded rod lid 6, along with depression bar 7 past lower slider, the elastic claw of depression bar 7 and wire circlip 5 also glide synchronously along described conical spigot surface, and elastic claw and wire circlip 5 are realized radial contraction synchronously; Along with 7 of depression bar continues to glide, wire circlip 5 is pushed to the jump ring groove of piston pin hole.
Claims (7)
1. one kind is used for the device that the engine gudgeon pin jump ring is installed, comprise a fairlead, the endoporus of fairlead is provided with up big and down small conical spigot surface, it is characterized in that, in fairlead, be provided with respect to fairlead depression bar slidably, the bottom of depression bar is provided with at least two uniform elastic claws, and the outer end diameter after elastic claw can draw in and draw in towards the fairlead axis is less than the end diameter of described fairlead inner conical spigot surface.
2. the device that is used for the installation of engine gudgeon pin jump ring according to claim 1 is characterized in that described elastic claw is three or four.
3. the device that is used for the installation of engine gudgeon pin jump ring according to claim 1 is characterized in that described elastic claw is six.
4. according to claim 1 or the 2 or 3 described devices that are used for the installation of engine gudgeon pin jump ring, it is characterized in that, be provided with the arc transition section between the root of described elastic claw.
5. the device that is used for the installation of engine gudgeon pin jump ring according to claim 1, it is characterized in that, the device that described jump ring is installed is furnished with special-purpose erecting bed, the base of erecting bed is provided with positioning core axle and positioning boss, and being used to of special-purpose erecting bed places the surface and the piston pin hole end surface shape of piston pin hole and coincide.
6. according to claim 1 or the 2 or 3 described devices that are used for the installation of engine gudgeon pin jump ring, it is characterized in that described elastic claw shrinks the external diameter of rearward end less than the piston pin hole diameter.
7. according to claim 1 or the 2 or 3 described devices that are used for the installation of engine gudgeon pin jump ring, it is characterized in that be provided with the depression bar lid in the upper end of depression bar, the upper surface of depression bar lid is a spherical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201668493U CN201702747U (en) | 2010-04-22 | 2010-04-22 | Device for installing engine piston pin snap spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201668493U CN201702747U (en) | 2010-04-22 | 2010-04-22 | Device for installing engine piston pin snap spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201702747U true CN201702747U (en) | 2011-01-12 |
Family
ID=43439896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201668493U Expired - Fee Related CN201702747U (en) | 2010-04-22 | 2010-04-22 | Device for installing engine piston pin snap spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201702747U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922479A (en) * | 2012-11-05 | 2013-02-13 | 盖微 | Well cementation cement rubber plug press-in device and usage method |
| CN105215926A (en) * | 2015-10-29 | 2016-01-06 | 芜湖恒隆汽车转向系统有限公司 | The assembly method of steering gear housing and lining |
| CN105215927A (en) * | 2015-10-29 | 2016-01-06 | 芜湖恒隆汽车转向系统有限公司 | The assembly tooling of steering gear housing and lining |
| CN106670774A (en) * | 2017-03-08 | 2017-05-17 | 升华电梯有限公司 | Tool used for installing bearing clamping rings and use method |
| CN106737366A (en) * | 2016-12-07 | 2017-05-31 | 凤城市万丰增压器有限公司 | A kind of booster assembling technological equipment |
| CN108340146A (en) * | 2018-02-06 | 2018-07-31 | 姜棋 | A kind of piston circlip fitting machine and operating method |
| CN110480566A (en) * | 2019-09-19 | 2019-11-22 | 重庆青山工业有限责任公司 | The assembling accessory of automotive transmission splined shaft and retainer ring |
| CN110847822A (en) * | 2019-12-24 | 2020-02-28 | 西南石油大学 | Remote control diameter-variable stabilizer |
| CN112372575A (en) * | 2020-11-12 | 2021-02-19 | 中国第一汽车股份有限公司 | Device and method for installing piston pin clamp spring of automobile engine |
| CN114683027A (en) * | 2022-02-24 | 2022-07-01 | 东风汽车集团股份有限公司 | Engine piston pin clamp spring press-fitting equipment |
-
2010
- 2010-04-22 CN CN2010201668493U patent/CN201702747U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922479A (en) * | 2012-11-05 | 2013-02-13 | 盖微 | Well cementation cement rubber plug press-in device and usage method |
| CN105215926A (en) * | 2015-10-29 | 2016-01-06 | 芜湖恒隆汽车转向系统有限公司 | The assembly method of steering gear housing and lining |
| CN105215927A (en) * | 2015-10-29 | 2016-01-06 | 芜湖恒隆汽车转向系统有限公司 | The assembly tooling of steering gear housing and lining |
| CN105215927B (en) * | 2015-10-29 | 2017-09-29 | 芜湖恒隆汽车转向系统有限公司 | The assembly tooling of steering gear housing and bushing |
| CN105215926B (en) * | 2015-10-29 | 2017-11-07 | 芜湖恒隆汽车转向系统有限公司 | The assembly method of steering gear housing and bushing |
| CN106737366A (en) * | 2016-12-07 | 2017-05-31 | 凤城市万丰增压器有限公司 | A kind of booster assembling technological equipment |
| CN106670774A (en) * | 2017-03-08 | 2017-05-17 | 升华电梯有限公司 | Tool used for installing bearing clamping rings and use method |
| CN108340146A (en) * | 2018-02-06 | 2018-07-31 | 姜棋 | A kind of piston circlip fitting machine and operating method |
| CN110480566A (en) * | 2019-09-19 | 2019-11-22 | 重庆青山工业有限责任公司 | The assembling accessory of automotive transmission splined shaft and retainer ring |
| CN110847822A (en) * | 2019-12-24 | 2020-02-28 | 西南石油大学 | Remote control diameter-variable stabilizer |
| CN112372575A (en) * | 2020-11-12 | 2021-02-19 | 中国第一汽车股份有限公司 | Device and method for installing piston pin clamp spring of automobile engine |
| CN114683027A (en) * | 2022-02-24 | 2022-07-01 | 东风汽车集团股份有限公司 | Engine piston pin clamp spring press-fitting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20140422 |