CN205991048U - A kind of automobile hydraulic cylinder sealing device - Google Patents
A kind of automobile hydraulic cylinder sealing device Download PDFInfo
- Publication number
- CN205991048U CN205991048U CN201620937219.9U CN201620937219U CN205991048U CN 205991048 U CN205991048 U CN 205991048U CN 201620937219 U CN201620937219 U CN 201620937219U CN 205991048 U CN205991048 U CN 205991048U
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- China
- Prior art keywords
- piston
- cylinder body
- air inlet
- piston rod
- check valve
- Prior art date
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Abstract
The utility model discloses a kind of automobile hydraulic cylinder sealing device, including cylinder body, oil cylinder piston, support block, fixing outer ring, oil cup opening, gas outlet half-duplex channel, gas outlet check valve, dust cap, piston protective case, piston rod, dust ring, sewage draining exit, defecator, air inlet check valve, air inlet half-duplex channel, locating ring；Described fixing outer ring is connected on the inwall of cylinder body, connects support block, be provided with oil cup opening in the middle of support block in the middle of fixing outer ring；In the middle of described cylinder body, lower section connects oil cylinder piston, and oil cylinder piston is connected with piston rod, and piston rod outer wall puts and is provided with locating ring, and piston rod is connected outer ring by locating ring；It is provided with air inlet half-duplex channel, on the left of cylinder body, top surface is provided with gas outlet half-duplex channel, gas outlet half-duplex channel is provided with gas outlet check valve on the right side of described cylinder body.This utility model physical life is long.
Description
Technical field
This utility model is related to auto parts machinery field and in particular to a kind of automobile hydraulic cylinder sealing device.
Background technology
At present, the conventional encapsulating method of automobile hydraulic jack has two kinds.One is to adopt soft seal, i.e. piston Y type
Enclose two or enclosed with lattice and cylinder tube fitted seal.This sealing means effect is good, using initial stage no internal leakage phenomenon,
But using the method must on piston perforate dress valve rod, back down oil return by valve rod, and valve rod spring easily aging cause in
Leakage, moreover oil sealing is also easily aging, after using the regular hour, oil sealing is aging to be caused to seal bad internal hemorrhage due to trauma.Second side
Method is hard sealing.I.e. piston and oil cylinder barrel piston ring fitted seal, open spill port, stroke crosses oil return on cylinder barrel wall
Oil return during hole.This sealing means are durable in use, stable performance, but when using the initial stage, due to piston ring and cylinder tube
Inwall do not have complete break-in good, have obvious internal leakage, that is, when lifting bucket, compartment falls substantially, and user does not understand and will be considered that oil
Cylinder is of poor quality, is reluctant to buy.
Utility model content
For the deficiency of above-mentioned technology, the purpose of this utility model there are provided a kind of automobile hydraulic of long service life
Cylinder sealing device.
To achieve these goals, this utility model adopts the following technical scheme that：A kind of automobile hydraulic cylinder sealing device,
Including cylinder body, oil cylinder piston, support block, fixing outer ring, oil cup opening, gas outlet half-duplex channel, gas outlet check valve, dust-proof
Lid, piston protective case, piston rod, dust ring, sewage draining exit, defecator, air inlet check valve, air inlet half-duplex channel, positioning
Ring；Described fixing outer ring is connected on the inwall of cylinder body, connects support block, be provided with lubricating cup in the middle of support block in the middle of fixing outer ring
Mouthful；In the middle of described cylinder body, lower section connects oil cylinder piston, and oil cylinder piston is connected with piston rod, and piston rod outer wall puts and is provided with positioning
Ring, piston rod is connected outer ring by locating ring；It is provided with air inlet half-duplex channel, on the left of cylinder body on the right side of described cylinder body
Top surface is provided with gas outlet half-duplex channel, and gas outlet half-duplex channel is provided with gas outlet check valve.
Further, on the right side of described cylinder body, top surface is provided with sewage draining exit；
Further, it is provided with dust cap and dust ring between described cylinder body top inner wall and piston rod outer wall；
Further, it is provided with piston protective case above described piston rod；
Further, described air inlet half-duplex channel connects air inlet check valve, and air inlet check valve connects defecator.
The beneficial effects of the utility model are：
This utility model is provided with air inlet check valve and gas outlet check valve can ensure gas and cylinder body effectively
Inlet and outlet, simultaneously air inlet check valve be provided with defecator, defecator can effectively cross air filtering it is ensured that oil hydraulic cylinder
Internal is clean；By arranging dust ring, the sealing failure producing because of dust can be avoided with being moved into of piston rod
Problem；Be provided with piston protective case, can effective protection piston rod, effectively prevent extraneous dust pass through piston rod on enter oil pressure
In cylinder body, the normal use of impact oil hydraulic cylinder, improves the service life of oil hydraulic cylinder；The sewage draining exit of setting can periodically be opened, and makes to amass
The emissions gathering in oil hydraulic cylinder are gone out.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing of required use is briefly described in description of the prior art.
Fig. 1 is this utility model structural representation.
It is numbered in accompanying drawing：1- cylinder body；2- oil cylinder piston；3- support block；4- fixes outer ring；5- oil cup opening；6- gives vent to anger
Mouth half-duplex channel；7- gas outlet check valve；8- dust cap；9- piston protective case；10- piston rod；11- dust ring；12- blowdown
Mouthful；13- defecator；14- air inlet check valve；15- air inlet half-duplex channel；16- locating ring.
Specific embodiment
Refering to a kind of automobile hydraulic cylinder sealing device shown in the drawings, including cylinder body 1, oil cylinder piston 2, support block 3,
Fixing outer ring 4, oil cup opening 5, gas outlet half-duplex channel 6, gas outlet check valve 7, dust cap 8, piston protective case 9, piston rod 10,
Dust ring 11, sewage draining exit 12, defecator 13, air inlet check valve 14, air inlet half-duplex channel 15, locating ring 16；Described solid
Determine outer ring 4 to be connected on the inwall of cylinder body 1, connect support block 3 in the middle of fixing outer ring 4, in the middle of support block 3, be provided with oil cup opening 5；
In the middle of described cylinder body 1, lower section connects oil cylinder piston 2, and oil cylinder piston 2 is connected with piston rod 10, and piston rod 10 outer wall puts and is provided with
Locating ring 16, piston rod 10 is connected outer ring 4 by locating ring 16；It is unidirectional logical that described cylinder body 1 right side is provided with air inlet
Road 15, cylinder body 1 left side top surface is provided with gas outlet half-duplex channel 6, and gas outlet half-duplex channel 6 is provided with gas outlet check valve 7.
On above-described embodiment preferably, described cylinder body 1 right side top surface is provided with sewage draining exit 12.
On above-described embodiment preferably, be provided between described cylinder body 1 top inner wall and piston rod 10 outer wall dust cap 8 and
Dust ring 11；
On above-described embodiment preferably, it is provided with piston protective case 9 above described piston rod 10；
On above-described embodiment preferably, described air inlet half-duplex channel 15 connects air inlet check valve 14, and air inlet is unidirectional
Defecator 13 is connected on valve 14.
Using technical scheme as above, obtaining the beneficial effects of the utility model is：This utility model is provided with air inlet list
The inlet and outlet of gas and cylinder body can effectively be ensured to valve and gas outlet check valve, set on air inlet check valve simultaneously
There is defecator, defecator can effectively cross air filtering it is ensured that clean within oil hydraulic cylinder；By arranging dust ring, permissible
Avoid the problem sealing failure producing because of dust with being moved into of piston rod；It is provided with piston protective case, can be effective
Protection piston rod, effectively prevents extraneous dust from passing through to enter in oil-hydraulic cylinder on piston rod, and the normal use of impact oil hydraulic cylinder carries
The service life of high oil hydraulic cylinder；The sewage draining exit of setting can periodically be opened, and so that the emissions accumulating in oil hydraulic cylinder is gone out.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to
In this, any change or replacement expected without creative work, all should cover within protection domain of the present utility model.
Therefore, protection domain of the present utility model should be defined by the protection domain that claims are limited.
Claims (5)
1. a kind of automobile hydraulic cylinder sealing device, including cylinder body, oil cylinder piston, support block, fixing outer ring, oil cup opening, goes out
QI KOU half-duplex channel, gas outlet check valve, dust cap, piston protective case, piston rod, dust ring, sewage draining exit, defecator, enter
QI KOU check valve, air inlet half-duplex channel, locating ring；Described fixing outer ring is connected on the inwall of cylinder body, in fixing outer ring
Between connect support block, be provided with oil cup opening in the middle of support block；In the middle of described cylinder body, lower section connects oil cylinder piston, oil cylinder piston and work
Stopper rod connects, and piston rod outer wall puts and be provided with locating ring, and piston rod is connected outer ring by locating ring；On the right side of described cylinder body
It is provided with air inlet half-duplex channel, on the left of cylinder body, top surface is provided with gas outlet half-duplex channel, gas outlet half-duplex channel is provided with out
QI KOU check valve.
2. a kind of automobile hydraulic cylinder sealing device according to claim 1 it is characterised in that：Push up on the right side of described cylinder body
Face is provided with sewage draining exit.
3. a kind of automobile hydraulic cylinder sealing device according to claim 1 it is characterised in that：In described cylinder body top
It is provided with dust cap and dust ring between wall and piston rod outer wall.
4. a kind of automobile hydraulic cylinder sealing device according to claim 1 it is characterised in that：Set above described piston rod
There is piston protective case.
5. a kind of automobile hydraulic cylinder sealing device according to claim 1 it is characterised in that：Described air inlet is unidirectional logical
Road connects air inlet check valve, and air inlet check valve connects defecator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620937219.9U CN205991048U (en) | 2016-08-25 | 2016-08-25 | A kind of automobile hydraulic cylinder sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620937219.9U CN205991048U (en) | 2016-08-25 | 2016-08-25 | A kind of automobile hydraulic cylinder sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205991048U true CN205991048U (en) | 2017-03-01 |
Family
ID=58106955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620937219.9U Expired - Fee Related CN205991048U (en) | 2016-08-25 | 2016-08-25 | A kind of automobile hydraulic cylinder sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205991048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799502A (en) * | 2017-06-16 | 2018-11-13 | 泉州有刺电子商务有限责任公司 | A kind of hydraulic press sealing device |
-
2016
- 2016-08-25 CN CN201620937219.9U patent/CN205991048U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799502A (en) * | 2017-06-16 | 2018-11-13 | 泉州有刺电子商务有限责任公司 | A kind of hydraulic press sealing device |
| CN108799502B (en) * | 2017-06-16 | 2020-06-26 | 河北奥赛罗密封材料有限公司 | Hydraulic machine sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 Termination date: 20170825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |