CN208364530U - A kind of novel hydraulic cylinder piston - Google Patents
A kind of novel hydraulic cylinder piston Download PDFInfo
- Publication number
- CN208364530U CN208364530U CN201821008217.7U CN201821008217U CN208364530U CN 208364530 U CN208364530 U CN 208364530U CN 201821008217 U CN201821008217 U CN 201821008217U CN 208364530 U CN208364530 U CN 208364530U
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- piston
- primary seal
- oil
- seal groove
- groove hole
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Abstract
The utility model provides a kind of novel hydraulic cylinder piston, including cylinder barrel, piston rod is equipped in cylinder barrel, piston rod rear end is equipped with piston only, shape loculation between the piston rod and cylinder barrel, big chamber is formed between the piston only and cylinder barrel, the piston only is equipped with the first primary seal groove and the second primary seal groove, first primary seal groove is communicated with the first oil groove hole being set on piston only, first oil groove hole is communicated with small chamber, second primary seal groove is communicated with the second oil groove hole, second oil groove hole is communicated with big chamber, sealing element is equipped in first primary seal groove and the second primary seal groove.Oil groove hole is arranged in piston two sides in the utility model, and oil groove hole is connected to small chamber, big chamber respectively, when oil cylinder starts and shrinks, sealing element can be made to fit together completely with cylinder barrel, ensure that good leakproofness, realize the quick start or commutation of oil cylinder, the processing is simple, easy to operate.
Description
Technical field
The utility model belongs to hydraulic cylinder equipment technical field, relates in particular to a kind of novel hydraulic cylinder piston.
Background technique
The plunger designs of the prior art, under normal circumstances, Design of Piston Structure is using twice support ring plus main together
Sealing, or add twice support ring to add one of primary seal again using twice blocked sewage ring, but sometimes when the operating pressure of oil cylinder is higher, work
When working frequency is very fast, can also one of primary seal, i.e. twice primary seal be designed, although twice primary seal is relative to one of primary seal more
Sealing effect it is good, but be not still able to satisfy piston to sealing when the operating pressure of oil cylinder is very high, working frequency is very fast
The requirement of property.
Summary of the invention
The utility model provides a kind of novel hydraulic cylinder piston, solves the piston in background technique and sealing is not achieved
Property require defect.
The technical solution of the utility model is achieved in that a kind of novel hydraulic cylinder piston, including cylinder barrel, in cylinder barrel
Equipped with piston rod, piston rod rear end is equipped with piston only, shape loculation between the piston rod and cylinder barrel, the piston only with
Big chamber is formed between cylinder barrel, the piston only is equipped with the first primary seal groove and the second primary seal groove, the first primary seal
Groove is communicated with the first oil groove hole being set on piston only, and the first oil groove hole is communicated with small chamber, the second primary seal groove and the
Two oil groove holes communicate, and the second oil groove hole is communicated with big chamber, are equipped with sealing in the first primary seal groove and the second primary seal groove
Part；
Preferably, the aperture in first oil groove hole and the second oil groove hole is 3mm.
The beneficial effects of the utility model are: the utility model piston two sides be arranged oil groove hole, oil groove hole respectively with it is small
Chamber, the connection of big chamber can make sealing element fit together completely with cylinder barrel when oil cylinder starts and shrinks, and ensure that good
Leakproofness, realize the quick start or commutation of oil cylinder, the processing is simple, easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model piston only；
Fig. 2 is utility model works status diagram；
Fig. 3 is the partial enlargement diagram in the portion I in Fig. 2；
The stress figure of sealing element when Fig. 4 is the small chamber oil inlet of oil cylinder in Fig. 2；
The stress figure of sealing element when Fig. 5 is the big chamber oil inlet of oil cylinder in Fig. 2.
Part explanation: 1, piston only, the 2, first oil groove hole, the 3, first primary seal groove, the 4, second primary seal groove, 5,
Second oil groove hole, 6, sealing element, 7, piston rod, 8, cylinder barrel, 9, small chamber, 10, big chamber.
Specific embodiment
For a better understanding and implementation, being further described with reference to the accompanying drawing to the utility model: a kind of New
Cylinder pressure piston, including cylinder barrel 8, cylinder barrel 8 is interior to be equipped with piston rod 7, and 7 rear end of piston rod is equipped with piston only 1, piston rod 7 and cylinder
Shape loculation 9 between cylinder 8, forms big chamber 10 between piston only 1 and cylinder barrel 8, piston only 1 is equipped with the first primary seal groove
3 and the second primary seal groove 4, the first primary seal groove 3 communicated with the first oil groove hole 2 being set on piston only 1, the first oil groove
Hole 2 is communicated with small chamber 9, and the second primary seal groove 4 is communicated with the second oil groove hole 5, and the second oil groove hole 5 is communicated with big chamber 10, and first
It is equipped with sealing element 6 in primary seal groove 3 and the second primary seal groove 4, the aperture in the first oil groove hole 2 and the second oil groove hole 5 is
3mm。
When oil cylinder starting, hydraulic oil enters the second primary seal ditch by the second oil groove hole 5 of piston only 1 from big chamber 10
In slot 4, under the pressure effect of hydraulic oil, the root of sealing element 6 deforms the lip of sealing element 6, keeps sealing element 6 entirely sliding
Dynamic face is just sticked together with 8 surface of cylinder barrel completely, ensure that good leakproofness, realizes quick start；When oil cylinder is shunk, liquid
Pressure oil is entered in the first primary seal groove 3 from small chamber 9 by the first oil groove hole 2 of piston only 1, and the lip of sealing element 6 is in liquid
Under the pressure effect of pressure oil, the root of sealing element 6 deforms, and pastes the entire sliding surface of sealing element 6 just completely with 8 surface of cylinder barrel
It is combined, ensure that good leakproofness, realize quickly commutation.
Claims (2)
1. a kind of novel hydraulic cylinder piston, including cylinder barrel (8), cylinder barrel (8) is interior to be equipped with piston rod (7), and piston rod (7) rear end is set
Have piston only (1), shape loculation (9) between the piston rod (7) and cylinder barrel (8), the piston only (1) and cylinder barrel (8)
Between form big chamber (10), it is characterised in that the piston only (1) be equipped with the first primary seal groove (3) and the second primary seal
Groove (4), the first primary seal groove (3) are communicated with the first oil groove hole (2) being set on piston only (1), the first oil groove hole (2)
It is communicated with small chamber (9), the second primary seal groove (4) is communicated with the second oil groove hole (5), the second oil groove hole (5) and big chamber (10) phase
It is logical, sealing element (6) are equipped in the first primary seal groove (3) and the second primary seal groove (4).
2. a kind of novel hydraulic cylinder piston as described in claim 1, it is characterised in that first oil groove hole (2) and second
The aperture in oil groove hole (5) is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821008217.7U CN208364530U (en) | 2018-06-28 | 2018-06-28 | A kind of novel hydraulic cylinder piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821008217.7U CN208364530U (en) | 2018-06-28 | 2018-06-28 | A kind of novel hydraulic cylinder piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208364530U true CN208364530U (en) | 2019-01-11 |
Family
ID=64927217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821008217.7U Active CN208364530U (en) | 2018-06-28 | 2018-06-28 | A kind of novel hydraulic cylinder piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208364530U (en) |
-
2018
- 2018-06-28 CN CN201821008217.7U patent/CN208364530U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |