CN107553399A - A kind of retaining ring for piston pin erecting device - Google Patents
A kind of retaining ring for piston pin erecting device Download PDFInfo
- Publication number
- CN107553399A CN107553399A CN201710971787.XA CN201710971787A CN107553399A CN 107553399 A CN107553399 A CN 107553399A CN 201710971787 A CN201710971787 A CN 201710971787A CN 107553399 A CN107553399 A CN 107553399A
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- China
- Prior art keywords
- ring
- open slot
- conical pipe
- piston pin
- piston
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Abstract
The invention discloses a kind of retaining ring for piston pin erecting device, including：Sleeve pipe and drive component, sleeve pipe use in pairs.Sleeve pipe includes：Conical pipe and connecting tube, the miner diameter end of conical pipe are connected with connecting tube, and connecting tube is used for grafting piston pin；Conical pipe is provided with open slot close to one end of connecting tube, and open slot is used to import back-up ring on piston in the fixing groove set；Drive component is used to push back-up ring to miner diameter end from the bigger diameter end of conical pipe.When back-up ring is installed, two connecting tubes are inserted into piston, and are set on piston pin, open slot is directed at fixing groove；Back-up ring is put into conical pipe from bigger diameter end again, drive component drives back-up ring to be moved to miner diameter end, and back-up ring stress deformation in movement, until back-up ring enters open slot, back-up ring is acted on by restoring force, is departed from from open slot and is caught in fixing groove.It is middle compared with prior art to improve installation effectiveness using back-up ring is installed manually by using the device, it is easy to operate, it is time saving and energy saving.
Description
Technical field
The present invention relates to diel manufacturing technology field, especially a kind of retaining ring for piston pin erecting device.
Background technology
Automobile in correlation technique, to prevent full floating wrist pin axial float scored cylinder wall, filled at piston pin both ends
There is back-up ring.In engine advanced development, because installation engine number of units is limited, to be cost-effective, retaining ring for piston pin is using manual
Installation, i.e., hand-held sharp mouth hawkbill clamp back-up ring, are put into by the opening of piston ridge in circlip groove.But this mounting means meeting
Space limitation is limited to, hawkbill is not easy to reach in opening, causes efficiency low, extends installation time, and back-up ring is easily because of operation
It is improper and damage, cause unnecessary waste.
The content of the invention
It is an object of the invention to provide a kind of retaining ring for piston pin erecting device, when solving prior art guide ring installation fee
Arduously, the problem of installation effectiveness is low.
In order to solve the above problems, the invention provides a kind of retaining ring for piston pin erecting device, wherein, including：Two sets
Pipe and drive component, described sleeve pipe include：Conical pipe and connecting tube, the miner diameter end of the conical pipe are connected with the connecting tube,
The connecting tube is used for grafting piston pin；The conical pipe is provided with open slot close to one end of connecting tube, and the open slot is used for
Back-up ring is imported on piston in the fixing groove set；The drive component is fixed on the table, and the drive component is used for will
The bigger diameter end of back-up ring from the conical pipe pushes the miner diameter end to；When back-up ring is installed, the piston is placed on the workbench,
Two connecting tubes are inserted into the piston, and are set on the piston pin, the open slot is directed at the fixing groove；Again will
The back-up ring is put into the conical pipe from the bigger diameter end, and the drive component drives the back-up ring to be moved to the miner diameter end
Dynamic, back-up ring stress deformation in movement, until the back-up ring enters the open slot, the back-up ring is acted on by restoring force,
Depart from from the open slot and be caught in the fixing groove.
Preferably, described sleeve pipe also includes locating part, and the locating part is fixed on the outer wall of the conical pipe, and described
Locating part abuts with the side of the piston；The fixing groove is to the distance of the end face of the piston and the open slot described in
The distance of locating part is identical.
Preferably, the width of the open slot is more than the width of the fixing groove.
Preferably, the inwall of the conical pipe is provided with guide protrusions, axial direction of the guide protrusions along the conical pipe
Extension.
Preferably, the width of the guide protrusions tapers into from the bigger diameter end to the direction of the miner diameter end.
Preferably, two connecting tubes are respectively equipped with the external screw thread and internal thread of threaded.
Preferably, the drive component includes connecting rod and is fixed on the termination of the end of the connecting rod, and the termination is used for
Abut the back-up ring.
Preferably, 3/4ths of the annulus of the conical pipe where the open slot occupies it.
The beneficial effects of the present invention are：
The invention provides a kind of retaining ring for piston pin erecting device, including：Sleeve pipe and drive component, sleeve pipe use in pairs.
Sleeve pipe includes：Conical pipe and connecting tube, the miner diameter end of conical pipe are connected with connecting tube, and connecting tube is used for grafting piston pin；Taper
Pipe is provided with open slot close to one end of connecting tube, and open slot is used to import back-up ring on piston in the fixing groove set.Driving group
Part is fixed on the table, and drive component is used to push back-up ring to miner diameter end from the bigger diameter end of conical pipe.When installing back-up ring, by work
Plug on workbench, two connecting tubes are inserted into piston, and be set on piston pin, open slot is directed at fixing groove；Again will
Back-up ring is put into conical pipe from bigger diameter end, and drive component drives back-up ring to be moved to miner diameter end, back-up ring stress deformation in movement, directly
Enter open slot to back-up ring, back-up ring is acted on by restoring force, is departed from from open slot and is caught in fixing groove.By using the device, phase
It is easy to operate than using installation back-up ring manually, installation effectiveness can be improved in the prior art, it is time saving and energy saving.
Brief description of the drawings
Fig. 1 is the operating diagram of retaining ring for piston pin erecting device provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of sleeve pipe；
Fig. 3 is the schematic diagram of conical pipe.
Reference is as follows：
1- sleeve pipes, 11- conical pipes, 111- miner diameter ends, 112- bigger diameter ends, 113- open slots, 114- guide protrusions, 12- connect
Adapter, 13- locating parts, 2- drive components, 21- connecting rods, 22- terminations, 3- pistons, 31- fixing grooves, 32- back-up rings.
Embodiment
Embodiments of the invention are described below in detail, the example of embodiment is shown in the drawings, wherein identical from beginning to end
Or similar label represents same or similar element or the element with same or like function.Retouched below with reference to accompanying drawing
The embodiment stated is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
As shown in Figure 1 to Figure 3, the embodiments of the invention provide a kind of retaining ring for piston pin erecting device, wherein, including：Set
Pipe 1 and drive component 2, sleeve pipe 1 use in pairs.Sleeve pipe 1 includes：Conical pipe 11 and connecting tube 12, the miner diameter end 111 of conical pipe 11
It is connected with connecting tube 12, connecting tube 12 is used for grafting piston pin (not shown)；Conical pipe 11 is close to one end of connecting tube 12
Provided with open slot 113, open slot 113 is used to import back-up ring 32 on piston 3 in the fixing groove 31 set.Drive component 2 is fixed
On the table, drive component 2 is used to push back-up ring 32 to miner diameter end 111 from the bigger diameter end 112 of conical pipe 11.Back-up ring 32 is installed
When, piston 3 is placed on workbench, two connecting tubes 12 are inserted into piston 3, and be set on piston pin, make open slot 113 right
Quasi- fixing groove 31；Back-up ring 32 is put into conical pipe 11 from bigger diameter end 112 again, drive component 2 drives back-up ring 32 to miner diameter end 111
Mobile, the stress deformation in movement of back-up ring 32, until back-up ring 32 enters open slot 113, back-up ring 32 is acted on by restoring force, from opening
Groove 113 departs from and is caught in fixing groove 31.It is middle using installation back-up ring 32 manually compared with prior art by using the device, it can carry
High installation effectiveness, it is easy to operate, it is time saving and energy saving.
As shown in Fig. 2 further, sleeve pipe 1 also includes locating part 13, locating part 13 is fixed on the outer wall of conical pipe 11
On, and locating part 13 abuts with the side of piston 3；Fixing groove 31 arrives locating part to the distance of the end face of piston 3 with open slot 113
13 distance is identical.Open slot 113 is directed at fixing groove 31 by setting locating part 13 to facilitate, improves the efficiency of installation.
Further, the width of open slot 113 is more than the width of fixing groove 31, facilitates back-up ring 32 smoothly from open slot 113
Into fixing groove 31, avoid interfering.
As shown in figure 3, further, the inwall of conical pipe 11 is provided with guide protrusions 114, and guide protrusions 114 are along taper
Pipe 11 it is axially extending.By setting guide protrusions 114 to play the guide effect that back-up ring 32 moves, back-up ring 32 is avoided in movement
When rotate, lead to not depart from conical pipe 11.During being moved due to back-up ring 32 in conical pipe 11, back-up ring 32 becomes
Shape, the opening of back-up ring 32 is caused to taper into, in order to further ensure guide effect of the guide protrusions 114 to back-up ring 32, preferably
Ground, the width of guide protrusions 114 taper into from bigger diameter end 112 to the direction of miner diameter end 111, can make the two of guide protrusions 114
Side is bonded the opening both ends of back-up ring 32 always, realizes guide effect of the back-up ring 32 in moving process.
Further, two connecting tubes 12 are respectively equipped with the external screw thread and internal thread of threaded, convenient two sets of connection
Pipe 1, avoid sleeve pipe 1 that play occurs.
Further, drive component 2 includes connecting rod 21 and is fixed on the termination 22 of the end of connecting rod 21, and termination 22 is used to support
Connect back-up ring 32.The drive component 2 is simple in construction, easy to process.
Further, open slot 113 occupies 3/4ths of the annulus of conical pipe 11 where it, when can exit sleeve pipe 1,
Avoid interfering with the back-up ring 32 just assembled.
Construction, feature and the action effect of the present invention is described in detail according to the embodiment shown in schema above, the above is only
For presently preferred embodiments of the present invention, but the present invention is not to limit practical range, every conception institute according to the present invention shown in drawing
The change of work, or the equivalent embodiment of equivalent variations is revised as, all should when still without departing from specification and illustrating covered spirit
Within the scope of the present invention.
Claims (8)
- A kind of 1. retaining ring for piston pin erecting device, it is characterised in that including：Two sleeve pipes, described sleeve pipe include：Conical pipe and connecting tube, the miner diameter end of the conical pipe are connected with the connecting tube, The connecting tube is used for grafting piston pin；The conical pipe is provided with open slot close to one end of connecting tube, and the open slot is used for Back-up ring is imported on piston in the fixing groove set；Drive component, the drive component are fixed on the table, and the drive component is used for back-up ring from the conical pipe Bigger diameter end pushes the miner diameter end to；When back-up ring is installed, the piston is placed on the workbench, two connecting tubes are inserted into the piston, and be set in institute State on piston pin, the open slot is directed at the fixing groove；The back-up ring is put into the conical pipe from the bigger diameter end again Interior, the drive component drives the back-up ring to be moved to the miner diameter end, back-up ring stress deformation in movement, until described Back-up ring enters the open slot, and the back-up ring is acted on by restoring force, departs from from the open slot and is caught in the fixing groove.
- 2. retaining ring for piston pin erecting device according to claim 1, it is characterised in that described sleeve pipe also includes locating part, The locating part is fixed on the outer wall of the conical pipe, and the locating part abuts with the side of the piston；The fixation The distance of groove to the end face of the piston is identical with the distance of the open slot to the locating part.
- 3. retaining ring for piston pin erecting device according to claim 1, it is characterised in that the width of the open slot is more than institute State the width of fixing groove.
- 4. retaining ring for piston pin erecting device according to claim 1, it is characterised in that the inwall of the conical pipe is provided with Guide protrusions, the guide protrusions are axially extending along the conical pipe.
- 5. retaining ring for piston pin erecting device according to claim 4, it is characterised in that the width of the guide protrusions is from institute The direction for stating bigger diameter end to the miner diameter end tapers into.
- 6. retaining ring for piston pin erecting device according to claim 1, it is characterised in that two connecting tubes are respectively equipped with The external screw thread and internal thread of threaded.
- 7. retaining ring for piston pin erecting device according to claim 1, it is characterised in that the drive component include connecting rod and The termination of the end of the connecting rod is fixed on, the termination is used to abut the back-up ring.
- 8. retaining ring for piston pin erecting device according to claim 1, it is characterised in that the open slot occupies institute where it State 3/4ths of the annulus of conical pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971787.XA CN107553399A (en) | 2017-10-18 | 2017-10-18 | A kind of retaining ring for piston pin erecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971787.XA CN107553399A (en) | 2017-10-18 | 2017-10-18 | A kind of retaining ring for piston pin erecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107553399A true CN107553399A (en) | 2018-01-09 |
Family
ID=60986216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710971787.XA Pending CN107553399A (en) | 2017-10-18 | 2017-10-18 | A kind of retaining ring for piston pin erecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107553399A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6507985B1 (en) * | 2000-03-08 | 2003-01-21 | Daimlerchrysler Corporation | Snap ring installation tool and method |
| CN201940966U (en) * | 2010-09-30 | 2011-08-24 | 无锡英特帕普威孚液压有限责任公司 | Automatic installation device for retaining ring of hydraulic elevating valve shaft |
| CN203993071U (en) * | 2014-07-29 | 2014-12-10 | 宁波明润瑞达机械科技有限公司 | The device of Fast Installation elastic steel wire check ring |
| CN205497349U (en) * | 2016-04-06 | 2016-08-24 | 莱芜环球汽车零部件有限公司 | Engine gudgeon pin retaining ring installation device |
-
2017
- 2017-10-18 CN CN201710971787.XA patent/CN107553399A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6507985B1 (en) * | 2000-03-08 | 2003-01-21 | Daimlerchrysler Corporation | Snap ring installation tool and method |
| CN201940966U (en) * | 2010-09-30 | 2011-08-24 | 无锡英特帕普威孚液压有限责任公司 | Automatic installation device for retaining ring of hydraulic elevating valve shaft |
| CN203993071U (en) * | 2014-07-29 | 2014-12-10 | 宁波明润瑞达机械科技有限公司 | The device of Fast Installation elastic steel wire check ring |
| CN205497349U (en) * | 2016-04-06 | 2016-08-24 | 莱芜环球汽车零部件有限公司 | Engine gudgeon pin retaining ring installation device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180109 |