CN203413124U - Composite oil seal for oil pressure speed stabilizer and combined structure of composite oil seal - Google Patents
Composite oil seal for oil pressure speed stabilizer and combined structure of composite oil seal Download PDFInfo
- Publication number
- CN203413124U CN203413124U CN201320357585.3U CN201320357585U CN203413124U CN 203413124 U CN203413124 U CN 203413124U CN 201320357585 U CN201320357585 U CN 201320357585U CN 203413124 U CN203413124 U CN 203413124U
- Authority
- CN
- China
- Prior art keywords
- oil
- oil seal
- copper ring
- sealing
- combined
- 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
Images
Abstract
The utility model provides a composite oil seal for an oil pressure speed stabilizer and a combined structure of the composite oil seal; the composite oil seal is arranged in the oil pressure speed stabilizer; the oil pressure speed stabilizer is provided with an outer cylinder, an inner cylinder arranged in the outer cylinder and a mandril arranged in the outer cylinder in a penetrating mode; one end of the mandril is combined with a piston arranged in the inner cylinder in a penetrating mode; the other end of the mandril extends out of the end part of the outer cylinder; the composite oil seal comprises a copper ring, a first oil seal and a second oil seal; the copper ring is arranged in the outer cylinder and sleeved on the mandril; the first oil seal is sleeved at the outer annular wall of the copper ring; an outer lip of the first oil seal is abutted against the inner wall of the outer cylinder; the second oil seal is arranged at the inner annular wall of the copper ring; an inner lip of the second oil seal is abutted against the mandril. Therefore, the composite oil seal for the oil pressure speed stabilizer and the combined structure of the composite oil seal can achieve the aims of effectively preventing liquid oil from being leaked, prolonging the service life of the oil pressures speed stabilizer and the like.
Description
Technical field
The utility model, about an oil pressure smooth rate apparatus, is espespecially applied in Combined oil seal and the composite structure thereof of oil pressure smooth rate apparatus.
Background technique
Known oil pressure smooth rate apparatus is often applied to the work feeder of lathe, milling machine, drilling machine and needs in the mechanism of displacement, such as feed gear of the oil pressure speed stabilization machine of automatic drilling system, lathe, milling machine etc.As shown in Figure 9, known smooth rate apparatus is normally by an oil-hydraulic cylinder 100, one piston rod 200 and the hydraulic oil 300 being filled in oil-hydraulic cylinder 100 form, piston rod 200 one end activities are placed through in oil-hydraulic cylinder 100, the other end extends the end of oil-hydraulic cylinder 100, and in oil-hydraulic cylinder 100, be provided with and be communicated with backflow gap, cylinder interior two ends 400, therefore when piston rod 200 is subject to external force and pushes, the hydraulic oil 300 promoting in oil-hydraulic cylinder 100 is flowed to the other end from one end through backflow gap 400, in this its process because being limited to flow factor, this piston rod 200 will produce reaction force simultaneously, and then reach the function of speed stabilizing.Again; in order to prevent that hydraulic oil 300 is from piston rod 200 those one end seepages; conventionally can be at the sheathed rubber oil sea 500 of piston rod 200; in order to adapt to the piston rod 200 of axial activity; rubber oil sea 500 adopts single lip rubber oil sea; therefore its gap sealing effect for piston rod 200 is limited, and seepage easily occurs.And known rubber oil sea 500 integral body are that specific rubber forms, its structure is easily subject to perhaps multifactor impact (such as temperature variation, hydraulic oil compressing, friction etc. repeatedly) and is out of shape, its leakproofness that detracts, causes oil pressure smooth rate apparatus limited working life.
Model utility content
The purpose of this utility model is providing a kind of Combined oil seal and composite structure thereof of oil pressure smooth rate apparatus, by being applied in the composite oil seal structure in oil pressure smooth rate apparatus, improve the easily problem such as distortion and generation seepage of known single rubber oil sea, and then effectively prevent hydraulic oil seepage, and extend oil pressure smooth rate apparatus working life.
For achieving the above object, the Combined oil seal that a kind of oil pressure smooth rate apparatus is provided of the present utility model, it is arranged in an oil pressure smooth rate apparatus, and it comprises that a copper ring, is sheathed on the first oil sealing of this copper ring external annulus, and second oil sealing that is arranged at this copper ring internal ring wall.
Further, wherein, the external annulus of this copper ring is provided with one first groove, and this first oil-sealing sleeve is located at this first groove.
Further, wherein, the internal ring wall of this copper ring is provided with one second groove, and this second oil sealing is arranged at this second groove.
Further, wherein, the internal ring wall of this copper ring is provided with one or more than one oil duct.
Further, wherein, this first oil sealing and this second oil sealing are the exoskeletal rubber oil sea without spring.
The utility model also provides a kind of Combined oil seal composite structure of oil pressure smooth rate apparatus, and this Combined oil seal is arranged in an oil pressure smooth rate apparatus;
This oil pressure smooth rate apparatus has a urceolus, and one is arranged on the inner core in this urceolus, and a mandrel being arranged in this urceolus, and this mandrel one end is in conjunction with a piston, and this piston is placed through among this inner core, and the other end of this mandrel extends one end of this urceolus;
This Combined oil seal comprises that one is arranged at the copper ring in this urceolus, and this copper ring is sheathed on this mandrel;
One is sheathed on the first oil sealing of this copper ring external annulus, and the outer lip of this first oil sealing is resisted against the inwall of this urceolus;
And second oil sealing that is arranged at this copper ring internal ring wall, the epipharynx of this second oil sealing is resisted against this mandrel.
Further, wherein, the external annulus of this copper ring is provided with one first groove, and this first oil-sealing sleeve is located at this first groove.
Further, wherein, the internal ring wall of this copper ring is provided with one second groove, and this second oil sealing is arranged at this second groove.
Further, wherein, the internal ring wall of this copper ring is concaved with one or more than one oil duct.
Further, wherein, this first oil sealing and this second oil sealing are the exoskeletal rubber oil sea without spring.
Combined oil seal and the composite structure thereof of the utility model oil pressure smooth rate apparatus, can the design in conjunction with the first oil sealing and the second oil sealing by copper ring, utilize copper ring to obtain preferably rigidity, overcome the shortcoming that known single rubber oil sea is easily out of shape because of internal oil pressure pressure, and can utilize the first oil sealing and the second oil sealing to reach preferably sealing effect for outer tube inner wall and the mandrel surface of oil pressure smooth rate apparatus, and then reach and effectively prevent hydraulic oil seepage, and extend the effects such as oil pressure smooth rate apparatus working life.
Accompanying drawing explanation
Fig. 1 is the exploded perspective schematic diagram of the utility model Combined oil seal composite structure.
Fig. 2 is the combination schematic perspective view of the utility model Combined oil seal composite structure.
Fig. 3 is the combination generalized section of the utility model Combined oil seal composite structure.
Fig. 4 is the combination schematic perspective view of the utility model Combined oil seal.
Fig. 5 is the combination generalized section of the utility model Combined oil seal.
Fig. 6 is the exploded perspective schematic diagram of the utility model Combined oil seal.
Fig. 7 is the action schematic diagram of the utility model oil pressure smooth rate apparatus.
Fig. 8 is the action schematic diagram that the utility model Combined oil seal is pushed by hydraulic oil.
Fig. 9 is the combination generalized section of known oil pressure smooth rate apparatus.
Description of reference numerals
100 oil-hydraulic cylinder 200 piston rods
300 hydraulic oil 400 backflow gaps
500 rubber oil seas
10 oil pressure smooth rate apparatus 1 Combined oil seals
11 copper ring 111 first grooves
112 second groove 113 oil ducts
12 first oil sealing 13 second oil sealings
121 outer lip 131 epipharynxs
2 urceolus 21 outer tubes
22 first end cap 23 second end caps
24 oil regulator 3 inner cores
31 inner tube 311 oil drainage holes
4 mandrel 41 pistons
5 elastic component 6 hydraulic oil.
Embodiment
Consult in the lump shown in Fig. 1, Fig. 2 and Fig. 3, the Combined oil seal 1 of the utility model oil pressure smooth rate apparatus, for being arranged in an oil pressure smooth rate apparatus 10.Consult in the lump shown in Fig. 4, Fig. 5 and Fig. 6, its preferred embodiment comprises: the copper ring 11, of a circle is sheathed on the first oil sealing 12 of copper ring 11 external annulus, and second oil sealing 13 that is arranged at copper ring 11 internal ring walls, and then forms Combined oil seal 1.Wherein, external annulus one end of this copper ring 11 is provided with one first groove 111, makes the first oil sealing 12 be sheathed on the first groove 111.Internal ring wall one end of this copper ring 11 is provided with one second groove 112, makes the second oil sealing 13 be arranged at the second groove 112.The internal ring wall of this copper ring 11 is separately concaved with one or above axial oil duct 113, makes hydraulic oil can be passed to from oil duct 113 one end the second oil sealing 13 of the other end.And above-mentioned this first oil sealing 12 and the second oil sealing 13 are a kind of exoskeletal rubber oil sea without spring, the inner ring that the outer ring of the first oil sealing 12 has outer lip 121, the second oil sealings 13 has an epipharynx 131.
Again in the lump as shown in Figure 1, Figure 2 and Figure 3, Combined oil seal 1 composite structure of the utility model oil pressure smooth rate apparatus, is arranged on the composite structure in an oil pressure smooth rate apparatus 10 by Combined oil seal 1 application, and its preferred embodiment is:
This oil pressure smooth rate apparatus 10 has the inner core 3, that a urceolus 2, is arranged in urceolus 2 and is arranged in 4, two elastic components 5 of mandrel in urceolus 2, and is arranged at the hydraulic oil 6 among inner core 3.This urceolus 2 has the second end cap 23 and the oil regulator 24 that the first end cap 22, that an outer tube 21, is incorporated into outer tube 21 front ends is incorporated into outer tube 21 rear ends.This inner core 3 has the inner tube 31 being arranged in urceolus 2, and the tube wall of inner tube 31 is provided with one or above oil drainage hole 311 corresponding to oil regulator 24.These mandrel 4 one end, in conjunction with a piston 41, are arranged among the inner tube 31 of inner core 3 piston 41, and the other end passes the first end cap 22 by the outer tube 21 of urceolus 2, make axially activity of mandrel 4.This elastic component 5 is separately positioned among outer tube 21 and inner tube 31, in order to produce the elastic force of anti-mandrel 4.And this hydraulic oil 6 is filled in outer tube 21 inside of Combined oil seal 1 left end in the inner tube 31 of inner core 3 and figure.
Above-mentioned this Combined oil seal 1 preferably composite structure is arranged in the outer tube 21 of urceolus 2 copper ring 11, and make copper ring 11 be sheathed on the axle body of mandrel 4, so make to be sheathed on the first oil sealing 12 of copper ring 11 external annulus, its outer lip 121 is resisted against the inwall of the outer tube 21 of urceolus 2, and be arranged at the second oil sealing 13 of copper ring 11 internal ring walls, 131 shafts that are resisted against mandrel 4 of its epipharynx, with this, form Combined oil seal 1 composite structure of the utility model oil pressure smooth rate apparatus.
In the lump as shown in Fig. 2 and Fig. 7, when above-mentioned oil pressure smooth rate apparatus 10 is used, mandrel 4 is subject to extraneous thrust can make piston 41 move toward inner tube 31 directions, therefore mandrel 4 and piston 41 thereof are toward inner tube 31 axial displacements, the hydraulic oil 6 of inner tube 31 can be discharged from oil drainage hole 311, gap via 21 of inner tube 31 and outer tubes flows to the other end, and extrusion cladding formula oil sealing 1 moves toward the first end cap 22 directions.Otherwise, when extraneous thrust is removed, utilize the elastic component 5 of graphic middle Combined oil seal 1 right-hand member by Combined oil seal 1 pushed home, and hydraulic oil 6 is back to inner tube 31 by the unidirectional valve opening at piston 41 places again, simultaneously by mandrel 4 pushed home.The utility model flows by above-mentioned hydraulic oil 6 and the process of Combined oil seal 1 displacement, can make hydraulic oil 6 produce reaction forces for the piston 41 of mandrel 4, and then produce stable speed function.
The utility model can pass through the copper ring 11 of Combined oil seal 1 in conjunction with the structure of the first oil sealing 12 and the second oil sealing 13, utilize the structure of copper ring 11 to obtain preferably rigidity, overcome the shortcoming that known single rubber oil sea is easily out of shape because of internal oil pressure pressure, extend oil pressure smooth rate apparatus working life.In addition, the utility model can also utilize the outer lip 121 of the first oil sealing 12, is resisted against outer tube 21 inwalls of the urceolus 2 of oil pressure smooth rate apparatus 10, and the epipharynx 131 of the second oil sealing 13, be resisted against mandrel 4 shafts of oil pressure smooth rate apparatus 10, to likely there is the position of seepage, sealed.In detail, as shown in Figure 8, when the pressure of hydraulic oil 6 promotes Combined oil seal 1, its pressure can put on the outer lip 121 of the first oil sealing 12, also can put on by the oil duct 113 of copper ring 11 epipharynx 131 of the second oil sealing 13, make outer lip 121 and epipharynx 131 respectively closely against, with this, reach preferably sealing effect, therefore can obtain the effect that effectively prevents hydraulic oil seepage.
The above, be only preferred embodiment of the present utility model, is not intended to limit protection domain of the present utility model.
Claims (10)
1. a Combined oil seal for oil pressure smooth rate apparatus, it is arranged in an oil pressure smooth rate apparatus, it is characterized in that, and it comprises that a copper ring, is sheathed on the first oil sealing of this copper ring external annulus, and second oil sealing that is arranged at this copper ring internal ring wall.
2. the Combined oil seal of oil pressure smooth rate apparatus as claimed in claim 1, is characterized in that, wherein, the external annulus of this copper ring is provided with one first groove, and this first oil-sealing sleeve is located at this first groove.
3. the Combined oil seal of oil pressure smooth rate apparatus as claimed in claim 2, is characterized in that, wherein, the internal ring wall of this copper ring is provided with one second groove, and this second oil sealing is arranged at this second groove.
4. the Combined oil seal of oil pressure smooth rate apparatus as claimed in claim 3, is characterized in that, wherein, the internal ring wall of this copper ring is provided with one or more than one oil duct.
5. the Combined oil seal of oil pressure smooth rate apparatus as claimed in claim 4, is characterized in that, wherein, this first oil sealing and this second oil sealing are the exoskeletal rubber oil sea without spring.
6. a Combined oil seal composite structure for oil pressure smooth rate apparatus, is characterized in that, this Combined oil seal is arranged in an oil pressure smooth rate apparatus;
This oil pressure smooth rate apparatus has a urceolus, and one is arranged on the inner core in this urceolus, and a mandrel being arranged in this urceolus, and this mandrel one end is in conjunction with a piston, and this piston is placed through among this inner core, and the other end of this mandrel extends one end of this urceolus;
This Combined oil seal comprises that one is arranged at the copper ring in this urceolus, and this copper ring is sheathed on this mandrel;
One is sheathed on the first oil sealing of this copper ring external annulus, and the outer lip of this first oil sealing is resisted against the inwall of this urceolus;
And second oil sealing that is arranged at this copper ring internal ring wall, the epipharynx of this second oil sealing is resisted against this mandrel.
7. the Combined oil seal composite structure of oil pressure smooth rate apparatus as claimed in claim 6, is characterized in that, wherein, the external annulus of this copper ring is provided with one first groove, and this first oil-sealing sleeve is located at this first groove.
8. the Combined oil seal composite structure of oil pressure smooth rate apparatus as claimed in claim 7, is characterized in that, wherein, the internal ring wall of this copper ring is provided with one second groove, and this second oil sealing is arranged at this second groove.
9. the Combined oil seal composite structure of oil pressure smooth rate apparatus as claimed in claim 8, is characterized in that, wherein, the internal ring wall of this copper ring is concaved with one or more than one oil duct.
10. the Combined oil seal composite structure of oil pressure smooth rate apparatus as claimed in claim 9, is characterized in that, wherein, this first oil sealing and this second oil sealing are the exoskeletal rubber oil sea without spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320357585.3U CN203413124U (en) | 2013-06-21 | 2013-06-21 | Composite oil seal for oil pressure speed stabilizer and combined structure of composite oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320357585.3U CN203413124U (en) | 2013-06-21 | 2013-06-21 | Composite oil seal for oil pressure speed stabilizer and combined structure of composite oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413124U true CN203413124U (en) | 2014-01-29 |
Family
ID=49976013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320357585.3U Expired - Fee Related CN203413124U (en) | 2013-06-21 | 2013-06-21 | Composite oil seal for oil pressure speed stabilizer and combined structure of composite oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203413124U (en) |
-
2013
- 2013-06-21 CN CN201320357585.3U patent/CN203413124U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201753717U (en) | Built-in type quick composite oil cylinder | |
| CN101893016A (en) | Combined bidirectional long-stroke push-and-pull hydraulic cylinder | |
| CN201908986U (en) | Double-rod hydraulic damper | |
| CN203413124U (en) | Composite oil seal for oil pressure speed stabilizer and combined structure of composite oil seal | |
| CN202251231U (en) | Hydraulic cylinder end cover | |
| CN109595217B (en) | Oil cylinder with built-in oil way channel | |
| CN201747695U (en) | Combined two-way long-stroke push-and-pull hydraulic cylinder | |
| CN203453156U (en) | Axial combination type pressure cylinder | |
| CN104806599A (en) | Boosting type mechanical locking type hydraulic cylinder | |
| CN202251956U (en) | Floating gap seal with high speed, high frequency and high abrasion resistance | |
| CN104930105A (en) | Hydraulic damper | |
| CN103104482A (en) | Pump rod structure used for plunger pump | |
| CN204099338U (en) | The anti-torsion oil hydraulic cylinder of abnormity based on piston rod self-steering | |
| CN203230653U (en) | Double-acting rapid hydraulic cylinder | |
| CN202579454U (en) | Speed governing device used for hydraulic steady speed device and hydraulic steady speed device | |
| CN206655863U (en) | A kind of built-in oil pipe hydraulic cylinder | |
| CN204591858U (en) | A kind of force booster type mechanical locking hydraulic cylinder | |
| CN205908561U (en) | Hydro -cylinder is locked to taper sleeve formula machinery | |
| CN205689763U (en) | Clutch release bearing containing Novel sealing ring | |
| CN203627397U (en) | Erector telescopic oil cylinder | |
| CN204372027U (en) | Leak free dydraulic shock absorber | |
| CN204434183U (en) | A kind of two-way three telescopic jack | |
| CN203756631U (en) | Hydraulic cylinder capable of reducing liquid compression influences | |
| CN102733701A (en) | Damper with metal housing | |
| CN104564904A (en) | Support oil cylinder |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20170621 |