CN205047571U - Improvement canned type excavator hydro -cylinder - Google Patents
Improvement canned type excavator hydro -cylinder Download PDFInfo
- Publication number
- CN205047571U CN205047571U CN201520668897.5U CN201520668897U CN205047571U CN 205047571 U CN205047571 U CN 205047571U CN 201520668897 U CN201520668897 U CN 201520668897U CN 205047571 U CN205047571 U CN 205047571U
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- China
- Prior art keywords
- cylinder body
- cylinder
- piston
- piston rod
- oil
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- Expired - Fee Related
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Abstract
The utility model relates to an improvement canned type excavator hydro -cylinder, cylinder body and cylinder bottom connect, be equipped with the piston rod of taking the piston in the cylinder body, be equipped with the pipe clamp on the peripheral surface of cylinder body and be used for fixed oil pipe, oil pipe with establish the oilhole of sheatheeing in the support of the opening part of cylinder body and be connected, the cylinder body inside wall on be equipped with the seal groove, be equipped with the axial seal circle in the seal groove, axial seal circle is closely established on the piston, the intermediate position department of piston rod be equipped with the uide bushing, the inside and outside both sides of uide bushing are equipped with external seal circle and inside seal circle. Reasonable in design, simple structure, the processing cost of having practiced thrift the part, the difficult wearing and tearing of sealing washer, the leakproofness is good, has improved the security of product, and material utilization rate is high, can reduce the oil circuit loss, prolongs the life of hydro -cylinder.
Description
Technical field
The utility model relates to a kind of improved seal type excavator oil cylinder.
Background technique
Excavator is one of earth moving machinery the most frequently used in engineering construction, and along with the development of engineering machinery, excavator is applied more and more widely.Various power required during excavator work are mainly by hydraulic oil cylinder driving, oil cylinder is the energy conversion device of mechanical energy hydraulic energy being converted to linear reciprocating motion, and structure is generally made up of cylinder barrel, cylinder cap, piston, piston rod, seal arrangement, damping device etc.Its shortcoming is that stock utilization is low, and manufacture cost is high, and manufacturing difficulty is large, and sealing is poor, and oil circuit loss is serious.Improve prior art, add the sealing of oil cylinder.But, the program not only complex structure, cost is higher, and use operation is inconvenient, stock utilization is low, add oil circuit loss, its sealing also incapability reaches requirement simultaneously, the seal ring that oil cylinder adopts is all hole seal ring mostly, in cylinder efficient process, because piston constantly moves in cylinder body, be positioned at seal ring on piston once by plucking, just there will be oil leakage phenomenon, braking force required when also just cannot reach work.And hole seal ring is all very high to the degree of finish of cylinder inner bore, hardness requirement, the processing of cylinder inner bore and heat treatment are all more difficult, be difficult to reach requirement, seal ring is also easy to wearing and tearing simultaneously, often there is oil leakage phenomenon, the ability that simultaneously goes slick is poor, wears no resistance, and reduces the working life of oil cylinder.
Model utility content
The technical problems to be solved in the utility model is: overcome the deficiency in prior art, and provide a kind of processing cost of saving part, seal ring is not easy to wear, good airproof performance, improves the improved seal type excavator oil cylinder of the Security of product.
The utility model solves the technological scheme that its technical problem adopts: a kind of improved seal type excavator oil cylinder, there is cylinder body, described cylinder body is connected with cylinder bottom, the piston rod of band piston is provided with in cylinder body, the outer surface of cylinder body is provided with pipe clamp and is used for fixing oil pipe, oil pipe be located at cylinder body opening supporting sleeve on oilhole be connected, described cylinder body madial wall is provided with seal groove, axial sealing ring is provided with in seal groove, axial sealing ring is closely located on piston, the middle position of described piston rod is provided with guide sleeve, the inside and outside both sides of guide sleeve are provided with exterior seal ring and inner seal ring.
Further, described piston rod and one end of cylinder bottom are equipped with earrings, are provided with lining in earrings, and lining adopts brass material to make, and with self lubricating material on the endoporus of lining, earrings is provided with oil hole.
Further, described cylinder body is provided with at least two pipe clamps.
The beneficial effects of the utility model are: the utility model is reasonable in design, structure is simple, and saved the processing cost of part, seal ring is not easy to wear, good airproof performance, improve the Security of product, stock utilization is high, oil circuit loss can be reduced, extend the working life of oil cylinder.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is plan view of the present utility model;
Fig. 2 is plan view of the present utility model;
Fig. 3 is the structural representation at A place of the present utility model;
Fig. 4 is the structural representation of piston of the present utility model and cylinder body.
1. cylinder bodies, 2. cylinder bottom, 3. piston, 4. piston rod, 5. pipe clamp, 6. oil pipe, 7. supporting sleeve, 8. oilhole, 9. seal groove, 10. axial sealing ring in figure, 11. guide sleeves, 12. exterior seal rings, 13. inner seal rings, 14. earrings, 15. linings, 16. oil holes.
Embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, and therefore it only shows the formation relevant with the utility model.
A kind of improved seal type excavator oil cylinder as shown in figures 1-4, there is cylinder body 1, described cylinder body 1 is connected with cylinder bottom 2, the piston rod 4 of band piston 3 is provided with in cylinder body 1, the outer surface of cylinder body 1 is provided with pipe clamp 5 and is used for fixing oil pipe 6, oil pipe 6 be located at cylinder body 1 opening supporting sleeve 7 on oilhole 8 be connected, described cylinder body 1 madial wall is provided with seal groove 9, axial sealing ring 10 is provided with in seal groove 9, axial sealing ring 10 is closely located on piston 3, the middle position of described piston rod 1 is provided with guide sleeve 11, the inside and outside both sides of guide sleeve 11 are provided with exterior seal ring 12 and inner seal ring 13.
One end of piston rod 4 and cylinder bottom 2 is equipped with earrings 14, is provided with lining 15 in earrings 14, and lining 15 adopts brass material to make, and with self lubricating material on the endoporus of lining 15, earrings 14 is provided with oil hole 16, and cylinder body 1 is provided with at least two pipe clamps 5.
The axial sealing ring 10 of concrete employing, although concerning piston 3, improve requirement, but the degree of finish require cylinder body 1 endoporus and hardness just can be met by the grinding of simple heat treatment and cylindrical, thus, not only saved the processing cost of part, axial sealing ring 10 is not easy to wear yet simultaneously, substantially prolongs the working life of axial sealing ring 10, improve the Security of product.
Piston rod 4 arranged outside double-layer sealing structure can improve the overall tightness of oil cylinder, make that the sealability of piston rod 4 end improves greatly, durable; By arranging gasket construction, the flexibility of piston rod movement can be strengthened, being conducive to the working life extending piston assembly, be convenient to safeguard and change, be conducive to the connective stability strengthening pressure ram assembly.
Above-mentioned mode of execution is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and be implemented; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (3)
1. an improved seal type excavator oil cylinder, there is cylinder body (1), it is characterized in that: described cylinder body (1) is connected with cylinder bottom (2), the piston rod (4) of band piston (3) is provided with in cylinder body (1), the outer surface of cylinder body (1) is provided with pipe clamp (5) and is used for fixing oil pipe (6), oil pipe (6) be located at cylinder body (1) opening supporting sleeve (7) on oilhole (8) be connected, described cylinder body (1) madial wall is provided with seal groove (9), axial sealing ring (10) is provided with in seal groove (9), axial sealing ring (10) is closely located on piston (3), the middle position of described piston rod (1) is provided with guide sleeve (11), the inside and outside both sides of guide sleeve (11) are provided with exterior seal ring (12) and inner seal ring (13).
2. improved seal type excavator oil cylinder according to claim 1, it is characterized in that: described piston rod (4) and one end of cylinder bottom (2) are equipped with earrings (14), lining (15) is provided with in earrings (14), lining (15) adopts brass material to make, with self lubricating material on the endoporus of lining (15), earrings (14) is provided with oil hole (16).
3. improved seal type excavator oil cylinder according to claim 1, is characterized in that: described cylinder body (1) is provided with at least two pipe clamps (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668897.5U CN205047571U (en) | 2015-08-31 | 2015-08-31 | Improvement canned type excavator hydro -cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668897.5U CN205047571U (en) | 2015-08-31 | 2015-08-31 | Improvement canned type excavator hydro -cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205047571U true CN205047571U (en) | 2016-02-24 |
Family
ID=55341154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520668897.5U Expired - Fee Related CN205047571U (en) | 2015-08-31 | 2015-08-31 | Improvement canned type excavator hydro -cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205047571U (en) |
-
2015
- 2015-08-31 CN CN201520668897.5U patent/CN205047571U/en not_active Expired - Fee Related
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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: 20160224 Termination date: 20160831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |