CN208816436U - A kind of hydraulic cylinder sealing device - Google Patents
A kind of hydraulic cylinder sealing device Download PDFInfo
- Publication number
- CN208816436U CN208816436U CN201820583574.XU CN201820583574U CN208816436U CN 208816436 U CN208816436 U CN 208816436U CN 201820583574 U CN201820583574 U CN 201820583574U CN 208816436 U CN208816436 U CN 208816436U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- guide sleeve
- cylinder barrel
- piston rod
- ring
- 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
Links
Abstract
The utility model discloses a kind of hydraulic cylinder sealing devices, wherein the guide sleeve and cylinder bottom positioned at both ends are connected with cylinder barrel, guide sleeve, perforation offers mounting hole on cylinder barrel, piston and piston rod are successively equipped in mounting hole, and in piston rod set access piston, guide sleeve offers several road sealing grooves on the abutted surface with cylinder barrel, filling is equipped with sealing ring in seal groove, the cylinder bottom with offer several road sealing grooves on the abutted surface of the cylinder barrel, filling is equipped with sealing ring in seal groove, if guide sleeve offers arterial highway gasket groove on the abutted surface with piston rod, if being sequentially filled in the gasket groove of arterial highway equipped with dustband, Y-shaped ring, support ring and Si Te envelope, if piston offers arterial highway gasket groove on the abutted surface with cylinder barrel, if being sequentially filled in the gasket groove of arterial highway equipped with antifouling ring, guidance tape and Glais ring.A kind of hydraulic cylinder sealing device provided by the utility model designs in guide sleeve and cylinder barrel connecting pin, cylinder bottom and cylinder barrel connecting pin and increases O-ring.
Description
Technical field
The utility model relates to a kind of sealing device, especially a kind of hydraulic cylinder sealing device.
Background technique
According to the service condition of product, hydraulic cylinder is enclosed without end face O, and under adverse circumstances, sewage is easily infiltrated into, and may damage close
, there is phenomena such as hydraulic cylinder failure, hydraulic fluid leak, and maintenance difficulty increases in sealing and to pitting corrosion in hydraulic cylinder, right
Environmental pollution increases, and reduces product service life.
Meanwhile according to the service condition of product, cylinder bottom is enclosed without end face O, and under adverse circumstances, sewage is easily infiltrated into, can energy loss
, there is phenomena such as hydraulic cylinder failure, hydraulic fluid leak, and maintenance difficulty increases in bad sealing element and to pitting corrosion in hydraulic cylinder
Greatly, environmental pollution increases, and in order to which product and environment is effectively protected, reduces product service life.
Utility model content
In view of this, connecting the purpose of this utility model is to provide a kind of hydraulic cylinder sealing device in guide sleeve and cylinder barrel
It connects end design and increases O-ring, increase O-ring in cylinder bottom and the design of cylinder barrel connecting pin.
The technical solution of the utility model are as follows: a kind of hydraulic cylinder sealing device, including guide sleeve, cylinder barrel, cylinder bottom, sealing
Circle, piston rod, piston；
Guide sleeve and cylinder bottom positioned at both ends are connected with cylinder barrel, and perforation offers mounting hole on the guide sleeve, cylinder barrel,
Piston and piston rod are successively equipped in the mounting hole, and piston rod set accesses in the piston, on the cylinder bottom
Perforation is equipped with oil inlet, this oil inlet is connected with the piston rod, the guide sleeve with opened on the abutted surface of the cylinder barrel
Equipped with several road sealing grooves, filling is equipped with sealing ring in the seal groove, the cylinder bottom with opened on the abutted surface of the cylinder barrel
Equipped with several road sealing grooves, filling is equipped with sealing ring in the seal groove, and the guide sleeve is in the abutted surface with the piston rod
If arterial highway gasket groove is offered on, if being sequentially filled in the arterial highway gasket groove equipped with dustband, Y-shaped ring, support ring and Si Te
Envelope, if the piston with offer arterial highway gasket groove on the abutted surface of the cylinder barrel, if successively being filled out in the arterial highway gasket groove
It fills and is equipped with antifouling ring, guidance tape and Glais ring.
Preferably, oil inlet is offered on the guide sleeve, this oil inlet is connected with the piston rod.
Preferably, sewage draining exit is offered on the guide sleeve, the sewage draining exit is connected with the piston rod.
Preferably, buffering hydraulic fluid port is offered on the guide sleeve, the buffering hydraulic fluid port is connected with the piston rod.
Preferably, it is offered on the cylinder bottom on buffering hydraulic fluid port, the buffering hydraulic fluid port and the piston rod and its cylinder bottom
Oil inlet is connected.
Preferably, the cylinder barrel is equipped at least one buffering hydraulic fluid port, and the buffering hydraulic fluid port is connected with the piston rod.
Preferably, the buffering hydraulic fluid port is 2.
Preferably, correspondingly perforation is equipped with through-hole and screw hole, the through-hole and spiral shell respectively on the guide sleeve and cylinder barrel
Screw is equipped on hole.
Preferably, correspondingly perforation is equipped with through-hole and screw hole, the through-hole and screw hole respectively on the cylinder bottom and cylinder barrel
On be equipped with screw.
Compared with prior art, the utility model has the following beneficial effects:
(1) the design filling O-ring slot at the connecting end surface of guide sleeve and cylinder barrel, is fitted close with cylinder barrel cylinder end flange,
It can make introduced contaminants that can not penetrate into, increase a few road washer effect slots, extend the service life of hydraulic cylinder, improve pumping system
The service life of system；(2) the design filling O-ring slot at the connecting end surface of cylinder bottom and cylinder barrel, closely matches with cylinder barrel cylinder bottom flange
It closes, can make introduced contaminants that can not penetrate into, increase a road sealing groove, extend the service life of hydraulic cylinder, improve pumping system
The service life of system.
Detailed description of the invention
Fig. 1 is the main view of the utility model.
Fig. 2 is the top view of the utility model.
Fig. 3 is the left view of the utility model.
Fig. 4 is the right view of the utility model.
Specific embodiment
With reference to the accompanying drawing and specific embodiment, the utility model is described further.
As shown in Figures 1 to 4, a kind of hydraulic cylinder sealing device, including guide sleeve 1, cylinder barrel 2, cylinder bottom 3, sealing ring 4, work
Stopper rod 5, piston 6.
Guide sleeve 1 and cylinder bottom 3 positioned at both ends are connected with cylinder barrel 2, specific connection type are as follows: on guide sleeve 1 and cylinder barrel 2
Correspondingly perforation is equipped with through-hole and screw hole respectively, is equipped with screw 7 on through-hole and screw hole；It is opposite respectively on cylinder bottom 3 and cylinder barrel 2
It penetrates through with answering equipped with through-hole and screw hole, is equipped with screw 7 on through-hole and screw hole.
Perforation offers mounting hole on guide sleeve 1, cylinder barrel 2, and piston 6 and piston rod 5 are successively equipped in mounting hole, and
In 5 sets of access pistons 6 of piston rod, perforation is equipped with oil inlet 8 on cylinder bottom 3, this oil inlet 8 is connected with piston rod 5.
Oil inlet 9, sewage draining exit 10, buffering hydraulic fluid port 11, this oil inlet 9, sewage draining exit 10, buffering oil are offered on guide sleeve 1
Mouth 11 is connected with piston rod 5.
Buffering hydraulic fluid port 12 is offered on cylinder bottom 3, buffering hydraulic fluid port 12 is connected with the oil inlet 8 on piston rod 5 and its cylinder bottom 3
It is logical.
Cylinder barrel 2 is equipped at least one buffering hydraulic fluid port 13, and preferably 2, buffering hydraulic fluid port 13 is connected with piston rod 5.
Guide sleeve 1 with offer several road sealing grooves on the abutted surface of cylinder barrel 2, filling is equipped with sealing ring 4 in seal groove,
Cylinder bottom 3 with offer several road sealing grooves on the abutted surface of cylinder barrel 2, filling is equipped with sealing ring 4 in seal groove.
If guide sleeve 1 with offer arterial highway gasket groove on the abutted surface of piston rod 5, if being sequentially filled in the gasket groove of arterial highway
Equipped with dustband 15, Y-shaped ring 16, support ring 17 and Si Te envelope 18, if piston 6 with offer arterial highway on the abutted surface of cylinder barrel 2
Gasket groove, if being sequentially filled in the gasket groove of arterial highway equipped with antifouling ring 19, guidance tape 20 and Glais ring 14.
A kind of hydraulic cylinder sealing device provided by the utility model, at guide sleeve and cylinder barrel connecting pin, guide sleeve end face
Design increases O-ring seal, penetrate into external sewage sludge oil can not inside cylinder barrel, leads to cylinder barrel mouth rust corrosion, and increase
Sealing function slot, hydraulic cylinder are more not in leakage phenomenon；By practical application, in use, the service life is bright for hydraulic cylinder
It is aobvious to increase, and the simpler convenience of maintenance later.
Meanwhile at cylinder bottom and cylinder barrel connecting pin, the design of cylinder bottom end increases O-ring seal, makes external sewage sludge oil
It can not penetrate into inside cylinder barrel, lead to cylinder barrel mouth rust corrosion, and increase washer effect slot, hydraulic cylinder is more not in that leakage is existing
As；By practical application, in use, the service life rises appreciably hydraulic cylinder, and the simpler convenience of maintenance later.
The above embodiments are only the preferred embodiment of the utility model, and the right of the utility model cannot be limited with this
Range, therefore, modification made according to the patent scope of the utility model, equivalent variations, improvement etc. still belong to the utility model institute
The range covered.
Claims (9)
1. a kind of hydraulic cylinder sealing device, it is characterised in that: including guide sleeve, cylinder barrel, cylinder bottom, sealing ring, piston rod, piston；
Guide sleeve and cylinder bottom positioned at both ends are connected with cylinder barrel, and perforation offers mounting hole on the guide sleeve, cylinder barrel, described
Piston and piston rod are successively equipped in mounting hole, and piston rod set accesses in the piston, penetrates through on the cylinder bottom
Equipped with oil inlet, this oil inlet is connected with the piston rod, the guide sleeve with offered on the abutted surface of the cylinder barrel
Several road sealing grooves, filling is equipped with sealing ring in the seal groove, the cylinder bottom with offered on the abutted surface of the cylinder barrel
Several road sealing grooves, filling is equipped with sealing ring in the seal groove, the guide sleeve with opened on the abutted surface of the piston rod
If being sealed if being sequentially filled in the arterial highway gasket groove equipped with dustband, Y-shaped ring, support ring and Si Te, institute equipped with arterial highway gasket groove
If state piston with offer arterial highway gasket groove on the abutted surface of the cylinder barrel, be equipped with if being sequentially filled in the arterial highway gasket groove
Antifouling ring, guidance tape and Glais ring.
2. a kind of hydraulic cylinder sealing device according to claim 1, it is characterised in that: offer oil inlet on the guide sleeve
Mouthful, this oil inlet is connected with the piston rod.
3. a kind of hydraulic cylinder sealing device according to claim 1, it is characterised in that: offer blowdown on the guide sleeve
Mouthful, the sewage draining exit is connected with the piston rod.
4. a kind of hydraulic cylinder sealing device according to claim 1, it is characterised in that: offer buffering on the guide sleeve
Hydraulic fluid port, the buffering hydraulic fluid port are connected with the piston rod.
5. a kind of hydraulic cylinder sealing device according to claim 1, it is characterised in that: offer buffering oil on the cylinder bottom
Mouthful, the buffering hydraulic fluid port is connected with the oil inlet on the piston rod and its cylinder bottom.
6. a kind of hydraulic cylinder sealing device according to claim 1, it is characterised in that: the cylinder barrel is equipped at least one
Hydraulic fluid port is buffered, the buffering hydraulic fluid port is connected with the piston rod.
7. a kind of hydraulic cylinder sealing device according to claim 6, it is characterised in that: the buffering hydraulic fluid port is 2.
8. a kind of hydraulic cylinder sealing device according to claim 1, it is characterised in that: on the guide sleeve and cylinder barrel respectively
Correspondingly perforation is equipped with through-hole and screw hole, is equipped with screw on the through-hole and screw hole.
9. a kind of hydraulic cylinder sealing device according to claim 1, it is characterised in that: distinguish phase on the cylinder bottom and cylinder barrel
Accordingly perforation is equipped with through-hole and screw hole, is equipped with screw on the through-hole and screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820583574.XU CN208816436U (en) | 2018-04-20 | 2018-04-20 | A kind of hydraulic cylinder sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820583574.XU CN208816436U (en) | 2018-04-20 | 2018-04-20 | A kind of hydraulic cylinder sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208816436U true CN208816436U (en) | 2019-05-03 |
Family
ID=66268400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820583574.XU Expired - Fee Related CN208816436U (en) | 2018-04-20 | 2018-04-20 | A kind of hydraulic cylinder sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208816436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259755A (en) * | 2019-05-31 | 2019-09-20 | 武汉船用机械有限责任公司 | Hydraulic cylinder |
-
2018
- 2018-04-20 CN CN201820583574.XU patent/CN208816436U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259755A (en) * | 2019-05-31 | 2019-09-20 | 武汉船用机械有限责任公司 | Hydraulic cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 |