CN203641155U - Sealing and lubricating structure of cylinder and cylinder - Google Patents
Sealing and lubricating structure of cylinder and cylinder Download PDFInfo
- Publication number
- CN203641155U CN203641155U CN201320711695.5U CN201320711695U CN203641155U CN 203641155 U CN203641155 U CN 203641155U CN 201320711695 U CN201320711695 U CN 201320711695U CN 203641155 U CN203641155 U CN 203641155U
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- CN
- China
- Prior art keywords
- cylinder
- piston
- sealing
- lubricating structure
- seal
- 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 - Lifetime
Links
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 title abstract description 25
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 46
- 238000005461 lubrication Methods 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 abstract description 6
- 239000010687 lubricating oil Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 7
- 239000004519 grease Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Abstract
The utility model discloses a sealing and lubricating structure, particularly the sealing and lubricating structure of a cylinder and the cylinder adopting the sealing and lubricating structure, and belongs to the technical field of piston sealing and lubrication. The sealing and lubricating structure of the cylinder comprises a cylinder body, and a piston matched with the cylinder body, wherein at least two sealing rings are arranged on the cylinder wall matched surface of the piston; an oil groove is formed in the position, between adjacent two sealing rings, of the piston; an oil injection hole communicated with the oil groove and provided with a sealing choke plug is formed in the piston. The sealing and lubricating structure of the cylinder has skillful concept and reasonable design; liquid lubricating oil can be injected in the oil groove between adjacent two sealing rings on the piston, so that the piston can be lubricated on working surfaces within the travel movement range, and the service life of the sealing rings is prolonged; the auxiliary effect on the sealing is acted by the lubricating oil in the oil groove; the cylinder adopting the sealing and lubricating structure has the advantages of long service life and good sealing and lubricating effects.
Description
Technical field
The utility model relates to a kind of seal lubrication structure of seal lubrication structure, particularly a kind of cylinder and adopts the cylinder of sealing lubricating structure, belongs to piston seal and lubrication technical field.
Background technique
Cylinder is the pneumatic apparatus that in Pneumatic Transmission, the pressure energy of pressurized gas is converted to mechanical energy.The inwall connecting part of the piston in cylinder and cylinder block is provided with the seal ring that embeds piston, and auxiliary lubricating grease is realized the sealing of cylinder and lubricates, along with the to-and-fro motion of piston, lubricating grease can be shifted onto to the both sides of cylinder, make the lubricating grease of traveled distance inner working face fewer and feweri, so that friction increases, and therefore the life-span of seal ring shortens, cause leaking and the execution efficiency of reduction cylinder.
Summary of the invention
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, provide a kind of seal lubrication structure, this structure can overcome the shortcoming of traditional cylinder seal lubricating structure, thereby improves execution efficiency and the working life of cylinder.
The technical solution adopted in the utility model is as follows:
A kind of cylinder seal lubricating structure, the piston that comprises cylinder block and coordinate with cylinder block, the cylinder wall fitting surface of described piston is provided with at least two seal rings, between adjacent two seal rings, piston position is provided with oil groove, on piston, be provided with the oil hole being communicated with oil groove, described oil hole is provided with the seal plug of coupling.
Cylinder seal lubricating structure of the present utility model, the card of described piston is provided with stiffening rib.
Further, described oil hole is arranged at stiffening rib position place.
Further, described seal plug and oil hole removably connect.
A kind of cylinder of adopting described cylinder seal lubricating structure.
Described cylinder comprises cylinder block and cylinder cap, piston and piston rod, and described cylinder cap is arranged at cylinder block end, and piston rod is connected with piston through cylinder cap, and the bottom of described cylinder block is provided with guide sleeve, and the end face of piston is provided with the traveller coordinating with guide sleeve.
Owing to having adopted technique scheme, in cylinder seal lubricating structure, the cylinder wall fitting surface of described piston, be to be provided with at least two seal rings on the sliding sealing surface of piston, between two adjacent seal rings, be also provided with oil groove, within oil groove, can store up lubricant oil changes and seals to realize the profit of two seal rings, described lubricant oil can be liquid state or semisolid lipid, on piston, be provided with the oil hole being communicated with oil groove and be convenient to adding of lubricant oil, and oil hole is provided with the seal plug realization sealing of coupling.Reinforcing rib design can improve the mechanical strength of piston on the one hand, and oil hole is arranged at and on stiffening rib, can ensures the length of oil hole so that seal plug is installed on the other hand, is unlikely to make oil hole to affect the mechanical strength of piston simultaneously.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
(1) cylinder seal lubricating structure of the present utility model, be skillfully constructed, reasonable in design, in oil groove on piston between two seal rings, can inject liquid lubricant oil, can ensure that the working surface of piston in stroke range of movement can lubricate, improve the working life of seal ring, and guarantee that by the sealing of Sealing lubricant oil can not leak into cylinder both sides.
(2) lubricant oil in oil groove can form one deck oil film at cylinder wall, sealing is played to booster action, and piston is in motion stably, and air can not be dissolved in oil, therefore go up the air of lower chamber and realized further and having completely cut off by oil groove, improved leakage prevention capability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A point enlarged diagram of the utility model Fig. 1;
Fig. 3 is the plan view of the utility model piston.
Mark in figure: 1-cylinder block, 2-cylinder cap, 3-piston, 4-piston rod, 5-guide sleeve, 6-traveller, 7-seal ring, 8-oil groove, 9-oil hole, 10-seal plug, 11-stiffening rib.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment
The cylinder of cylinder seal lubricating structure of the present utility model and employing seal lubrication, as shown in Figure 1, Figure 2 and Figure 3, the piston 3 that described cylinder seal lubricating structure comprises cylinder block 1 and coordinates with cylinder block 1, the cylinder wall fitting surface of piston 3 is provided with at least two seal rings 7, the quantity of seal ring 7 is determined according to concrete technology design, in the present embodiment, adopt two seal ring 7 structures, between adjacent two seal rings 7, piston 3 positions are provided with oil groove 8, on piston 3, be provided with the oil hole 9 being communicated with oil groove 8, described oil hole 9 is provided with the seal plug removably connecting 10 of coupling to improve the maintainability of oil groove 8, the card of piston 3 is provided with stiffening rib 11, described oil hole 9 is arranged at stiffening rib 11 position places.
The cylinder of the described cylinder seal lubricating structure of employing of the present utility model, comprise cylinder block 1 and cylinder cap 2, piston 3 and piston rod 4, described cylinder cap 2 is arranged at cylinder block 1 end, piston rod 4 is connected with piston 3 through cylinder cap 2, the bottom of described cylinder block 1 is provided with guide sleeve 5, the end face of piston 3 is provided with the traveller 6 coordinating with guide sleeve 5, and the cylinder wall fitting surface of piston 3 is provided with described cylinder seal lubricating structure.
Cylinder seal lubricating structure of the present utility model is skillfully constructed, reasonable in design, in oil groove on piston between adjacent two seal rings, can inject liquid lubricant oil, ensure that the working surface of piston in stroke range of movement can lubricate, improve the working life of seal ring, and guarantee that by the sealing of Sealing lubricant oil can not leak into cylinder both sides, lubricant oil in oil groove can form one deck oil film at cylinder wall simultaneously, sealing is played to booster action, piston is in motion stably, air can not be dissolved in oil, therefore going up the air of lower chamber has realized further isolated by oil groove, improve leakage prevention capability, and the cylinder that adopts described seal lubrication structure has long service life, the advantage that using effect is good.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a cylinder seal lubricating structure, the piston (3) that comprises cylinder block (1) and coordinate with cylinder block (1), it is characterized in that: the cylinder wall fitting surface of described piston (3) is provided with at least two seal rings (7), between adjacent two seal rings (7), piston (3) position is provided with oil groove (8), on piston (3), be provided with the oil hole (9) being communicated with oil groove (8), described oil hole (9) is provided with the seal plug (10) of coupling.
2. cylinder seal lubricating structure as claimed in claim 1, is characterized in that: the card of described piston (3) is provided with stiffening rib (11).
3. cylinder seal lubricating structure as claimed in claim 2, is characterized in that: described oil hole (9) is arranged at stiffening rib (11) position place.
4. the cylinder seal lubricating structure as described in claim 1 or 2 or 3, is characterized in that: described seal plug (10) removably connects with oil hole (9).
5. a cylinder, is characterized in that: adopt the cylinder seal lubricating structure as described in claim 1 or 2 or 3.
6. cylinder as claimed in claim 5, it is characterized in that: described cylinder comprises cylinder block (1) and cylinder cap (2), piston (3) and piston rod (4), described cylinder cap (2) is arranged at cylinder block (1) end, piston rod (4) is connected with piston (3) through cylinder cap (2), the bottom of described cylinder block (1) is provided with guide sleeve (5), and the end face of piston (3) is provided with the traveller (6) coordinating with guide sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320711695.5U CN203641155U (en) | 2013-11-12 | 2013-11-12 | Sealing and lubricating structure of cylinder and cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320711695.5U CN203641155U (en) | 2013-11-12 | 2013-11-12 | Sealing and lubricating structure of cylinder and cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641155U true CN203641155U (en) | 2014-06-11 |
Family
ID=50872403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320711695.5U Expired - Lifetime CN203641155U (en) | 2013-11-12 | 2013-11-12 | Sealing and lubricating structure of cylinder and cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156399A (en) * | 2015-08-24 | 2015-12-16 | 济南大学 | Self-adaptation sealing, anti-loosening and auxiliary motion device of hydraulic cylinder piston |
| CN110259905A (en) * | 2019-07-10 | 2019-09-20 | 海盐建盛五金制品有限公司 | A kind of high intensity firm type trapezoidal nut |
-
2013
- 2013-11-12 CN CN201320711695.5U patent/CN203641155U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156399A (en) * | 2015-08-24 | 2015-12-16 | 济南大学 | Self-adaptation sealing, anti-loosening and auxiliary motion device of hydraulic cylinder piston |
| CN110259905A (en) * | 2019-07-10 | 2019-09-20 | 海盐建盛五金制品有限公司 | A kind of high intensity firm type trapezoidal nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sealing and lubricating structure of cylinder and cylinder Effective date of registration: 20170323 Granted publication date: 20140611 Pledgee: China branch of the postal savings bank Limited by Share Ltd. in Deyang City Pledgor: VALCAM AUTO-CONTROL (SICHUAN) CO.,LTD. Registration number: 2017990000230 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |