CN205639162U - Oil cylinder - Google Patents
Oil cylinder Download PDFInfo
- Publication number
- CN205639162U CN205639162U CN201620496698.5U CN201620496698U CN205639162U CN 205639162 U CN205639162 U CN 205639162U CN 201620496698 U CN201620496698 U CN 201620496698U CN 205639162 U CN205639162 U CN 205639162U
- Authority
- CN
- China
- Prior art keywords
- oil
- cylinder
- piston
- cylinder body
- rod
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides buffer function's an oil cylinder, piston rod in the cylinder body is located to cylinder body and cover, the rear end that the front end of cylinder body was equipped with uide bushing, cylinder body is equipped with the cylinder bottom, the rear end that the front end of cylinder body was equipped with second oil inlet, cylinder body is equipped with first oil inlet, the cylinder bottom is equipped with the cylinder bottom oil circuit at first oil inlet rear side, the cylinder bottom oil circuit passes through the buffering oil way intercommunication with first oil inlet, the last buffer who is used for adjusting its flow that is equipped with of buffering oil way, the utility model discloses a first oil inlet is sealed earlier to the adjustable buffering oil way's of buffer flow when the piston rod is retrieved, the oil return only flows through buffering oil way, has reduced piston rod movement speed, plays the cushioning effect, the piston passes through the cooperation of second shoulder hole with the body of rod and the bolt is fixed, and the installation is quick, the sealing washer can seal the gap of the piston and the body of rod, reduces the hydraulic oil at piston both ends and reveals.
Description
Technical field
This utility model relates to oil cylinder field, and especially relate to is a kind of oil cylinder with buffer unit.
Background technology
Driving piston to move back and forth between the cylinder bottom of cylinder cap and cylinder barrel assembly by hydraulic oil during cylinder efficient, in motor process, piston will occur direct collision with cylinder cap and cylinder bottom, causes piston, cylinder cap and the damage of cylinder bottom contact surface.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, it is provided that have a kind of oil cylinder of pooling feature.
For achieving the above object, technical solution of the present utility model is: a kind of oil cylinder, including cylinder body and the piston rod being sheathed in cylinder body, the front end of described cylinder body is provided with fairlead, the rear end of cylinder body is provided with cylinder bottom, the front end of described cylinder body is provided with the second oil-in, the rear end of cylinder body is provided with the first oil-in, described cylinder bottom is provided with cylinder bottom oil-way on rear side of the first oil-in, described cylinder bottom oil-way and the first oil-in are by buffering oil communication, and described buffering oil circuit is provided with the buffer unit for regulating its flow.
Preferably, described buffering oil circuit includes shoulder hole, described buffer unit includes the buffer screw that the macropore with shoulder hole is threadeded, the front end of described buffer screw is provided with the cone head part of the aperture that can block shoulder hole, and the threaded portion of described buffer screw is communicated with the axial oil groove of its front and back end, threaded portion.
Preferably, described piston rod includes the body of rod and is set in the piston of body of rod rear end, and being provided with latch between described piston and the body of rod, the periphery of described piston is provided with steel wire trough at latch correspondence position, and described steel wire trough is provided with for limiting the wire loop moved outside latch.
Preferably, the middle part of described piston is provided with the second shoulder hole that anterior wide rear portion is narrow, and the rear end of the described body of rod is provided with the multidiameter coordinated with the second shoulder hole, is provided with sealing ring between the macropore of described multidiameter and the second shoulder hole.
Preferably, the rear end of described cylinder body is provided with the first plinth and the second plinth, and described buffer unit is located in the first plinth, and described first plinth is being provided with outside restriction buffer screw the stop screw moved near buffer screw position；Described second plinth and the second oil-in are connected by oil pipe.
By using above-mentioned technical scheme, the beneficial effects of the utility model are: the flow of buffer unit scalable of the present utility model buffering oil circuit, and piston rod first seals the first oil-in when reclaiming, and oil return is only flowed out by buffering oil circuit, reduce the translational speed of piston rod, play cushioning effect；Piston and the body of rod are coordinated by the second shoulder hole and latch is fixed, and installs quickly；The salable piston of sealing ring and the gap of the body of rod, reduce the hydraulic oil leakage at piston two ends.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is structural representation during this utility model piston rod retraction；
Fig. 3 is the partial enlarged drawing of location A in Fig. 2；
Fig. 4 is B-B sectional view in Fig. 3.
Main Reference Numerals illustrates:
Cylinder body 1；First oil-in 11；Second oil-in 12；Piston rod 2；The body of rod 21；Piston 22；Second shoulder hole 221；Sealing ring 23；Latch 24；Wire loop 25；Cylinder bottom 3；Cylinder bottom oil-way 31；Fairlead 4；First plinth 5；Buffering oil circuit 51；Stop screw 52；Second plinth 6；Buffer unit 7；Buffer screw 71；Oil groove 711；Cone head part 712；Oil pipe 8.
Detailed description of the invention
This utility model is further illustrated below in conjunction with the drawings and specific embodiments.
As Figure 1-Figure 4, this utility model one oil cylinder, including cylinder body 1 and the piston rod 2 being sheathed in cylinder body 1, the front end of described cylinder body 1 is provided with fairlead 4, the rear end of cylinder body 1 is provided with cylinder bottom 3, and the front end of described cylinder body 1 is provided with the second oil-in 12, the rear end of cylinder body 1 is provided with the first oil-in 11.First oil-in 11 oil-feed, piston rod 2 stretches out, and during the second oil-in 12 oil-feed, piston rod 2 bounces back.Described cylinder bottom 3 is provided with cylinder bottom oil-way 31 on rear side of the first oil-in 11, and described cylinder bottom oil-way 31 is connected by buffering oil circuit 51 with the first oil-in 11, and described buffering oil circuit 51 is provided with the buffer unit 7 for regulating its flow；Described buffering oil circuit 51 includes shoulder hole, described buffer unit 7 includes buffer screw 71, buffer screw 71 is threadeded with the macropore of shoulder hole by threaded portion, the front end of described buffer screw 71 is provided with the cone head part 712 of the aperture that can block shoulder hole, and the threaded portion of described buffer screw 71 is communicated with the axial oil groove 711 of its front and back end, threaded portion.
When piston rod 2 bounces back, the hydraulic oil on rear side of piston rod 2 is fuel-displaced from the first oil-in 11 and cylinder bottom oil-way 31, and fuel-displaced very fast piston rod 2 retraction speed is fast；After the piston 22 of piston rod 2 blocks the first oil-in 11, only cylinder bottom oil-way 31 is fuel-displaced, and Extraction rate is slow, and piston rod 2 retraction speed declines, it is achieved piston rod 2 retraction buffering.
Described piston rod 2 includes the body of rod 21 and is set in the piston 22 of the body of rod 21 rear end, it is provided with latch 24 between described piston 22 and the body of rod 21, the periphery of described piston 22 is provided with steel wire trough at latch 24 correspondence position, and described steel wire trough is provided with for limiting the outer wire loop 25 moved of latch 24；Piston 22 is fixed on the body of rod 21 by latch 24 and seals the outer path moved of latch 24 by wire loop 25, easy for installation, firm.The middle part of described piston 22 is provided with the second shoulder hole 221 that anterior wide rear portion is narrow, and the rear end of the described body of rod 21 is provided with the multidiameter coordinated with the second shoulder hole 221, is provided with sealing ring 23 between the macropore of described multidiameter and the second shoulder hole 221；The salable piston of sealing ring 23 22 and the body of rod 21.The rear end of described cylinder body 1 is provided with the first plinth 5 and the second plinth 6, described buffer unit 7 is located in the first plinth 5, it is being provided with, on described first plinth 5, the stop screw 52 limiting the outer shifting of buffer screw 71 near buffer screw 71 position, is preventing buffer screw 71 from getting loose；Described second plinth 6 is connected by oil pipe 8 with the second oil-in 12；First plinth 5 and the second plinth 6 are all disposed within the rear end of cylinder body 1 and facilitate pipeline to install.
Above-described, preferred embodiment the most of the present utility model, it is impossible to limit the scope that this practicality is implemented, every impartial change made according to this utility model claim and decoration, all should still fall within the range of this utility model contains.
Claims (5)
1. an oil cylinder, including cylinder body and the piston rod being sheathed in cylinder body, the front end of described cylinder body is provided with fairlead, the rear end of cylinder body is provided with cylinder bottom, the front end of described cylinder body is provided with the second oil-in, the rear end of cylinder body is provided with the first oil-in, it is characterized in that: described cylinder bottom is provided with cylinder bottom oil-way on rear side of the first oil-in, described cylinder bottom oil-way and the first oil-in are by buffering oil communication, and described buffering oil circuit is provided with the buffer unit for regulating its flow.
A kind of oil cylinder the most according to claim 1, it is characterized in that: described buffering oil circuit includes shoulder hole, described buffer unit includes the buffer screw that the macropore with shoulder hole is threadeded, the front end of described buffer screw is provided with the cone head part of the aperture that can block shoulder hole, and the threaded portion of described buffer screw is communicated with the axial oil groove of its front and back end, threaded portion.
A kind of oil cylinder the most according to claim 1, it is characterized in that: described piston rod includes the body of rod and is set in the piston of body of rod rear end, it is provided with latch between described piston and the body of rod, the periphery of described piston is provided with steel wire trough at latch correspondence position, and described steel wire trough is provided with for limiting the wire loop moved outside latch.
A kind of oil cylinder the most according to claim 3, it is characterized in that: the middle part of described piston is provided with the second shoulder hole that anterior wide rear portion is narrow, the rear end of the described body of rod is provided with the multidiameter coordinated with the second shoulder hole, is provided with sealing ring between the macropore of described multidiameter and the second shoulder hole.
A kind of oil cylinder the most according to claim 2, it is characterized in that: the rear end of described cylinder body is provided with the first plinth and the second plinth, described buffer unit is located in the first plinth, and described first plinth is being provided with outside restriction buffer screw the stop screw moved near buffer screw position；Described second plinth and the second oil-in are connected by oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620496698.5U CN205639162U (en) | 2016-05-30 | 2016-05-30 | Oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620496698.5U CN205639162U (en) | 2016-05-30 | 2016-05-30 | Oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639162U true CN205639162U (en) | 2016-10-12 |
Family
ID=57053717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620496698.5U Expired - Fee Related CN205639162U (en) | 2016-05-30 | 2016-05-30 | Oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205639162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109983238A (en) * | 2016-11-22 | 2019-07-05 | Smc 株式会社 | Supercharging device |
-
2016
- 2016-05-30 CN CN201620496698.5U patent/CN205639162U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109983238A (en) * | 2016-11-22 | 2019-07-05 | Smc 株式会社 | Supercharging device |
| CN109983238B (en) * | 2016-11-22 | 2021-04-09 | Smc 株式会社 | Supercharging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |