CN206617386U - One kind three acts on telescopic oil cylinder - Google Patents
One kind three acts on telescopic oil cylinder Download PDFInfo
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- CN206617386U CN206617386U CN201720231236.5U CN201720231236U CN206617386U CN 206617386 U CN206617386 U CN 206617386U CN 201720231236 U CN201720231236 U CN 201720231236U CN 206617386 U CN206617386 U CN 206617386U
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- oil
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- piston rod
- pipe
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Abstract
The utility model is related to one kind three and acts on telescopic oil cylinder, including cylinder barrel and the oil pipe for being fixed on cylinder barrel one end, and cylinder barrel end face is stretched out in oil pipe one end, and the oil pipe other end stretches out cylinder barrel other end；Piston and piston rod with axial oil duct are provided with cylinder barrel, piston and piston rod are movably set in outside oil pipe, first seal is provided between piston axial direction oil duct inwall and oil-pipe external wall, piston rod one end is connected with piston another side, the piston rod other end, which stretches out cylinder barrel other end, to be used to drive external equipment to stretch, and piston rod other end axial direction oil duct is respectively used to connect open oil circuit with oil pipe one end；Cylinder barrel inner oil tube outer wall, piston one side and cylinder barrel one end inwall surround the first oil pocket jointly, cylinder barrel inner piston rod outer wall, piston another side and cylinder barrel other end inwall surround the second oil pocket jointly, cylinder barrel two ends are respectively equipped with the first hydraulic fluid port and the second hydraulic fluid port, and the first hydraulic fluid port and the second hydraulic fluid port are respectively used to connect the banked direction control valves of peripheral hardware hydraulic system.
Description
Technical field
The utility model is related to oil cylinder technical field, more particularly to a kind of flexible oil of three effects available for delivery hydraulic pressure oil
Cylinder.
Background technology
Telescopic oil cylinder is that hydraulic energy is changed into mechanical energy, straight reciprocating motion is done（Or oscillating motion）Hydraulic pressure perform
Element, its simple in construction, reliable operation, is realized with it during reciprocating motion, can remove deceleration device from, and without between transmission
Gap, stable movement, therefore be used widely in various mechanical hydraulic systems.However, the structure of existing telescopic oil cylinder compared with
For complexity, manufacturing cost is higher, and hydraulic oil is only in cylinder barrel interior circulation, and only rising makes piston rod telescopic action, and function is limited；For
Can be other hydraulic test delivery hydraulic pressures oil, a kind of conventional scheme is the another oil hose for setting a lengthening at present,
And oil hose two ends are arranged on telescopic oil cylinder two ends, there is suspension using the oil hose of this lengthening fixes troublesome ask
Topic, or even can interfere caused by its length is on the work of other parts with influenceing, also a kind of scheme is to be designed to petroleum pipeline
Telescopic oil tube that can be with telescopic oil cylinder synchronization telescope, because telescopic oil tube is during oil transportation, its internal oil pressure is generally larger,
Easily cause flexible seal ring damage, also can because of telescopic oil tube effect length its flexible balance and stationarity.Therefore, research and develop
A kind of vdiverse in function, easy to use, telescopic oil cylinder simple in construction has very big market value.
The content of the invention
The purpose of this utility model is in view of the shortcomings of the prior art there is provided one kind is reasonable in design, simple in construction, uses
It is convenient, vdiverse in function, widely used three effects telescopic oil cylinder.
To achieve the above object, the utility model uses following technical scheme：
One kind three acts on telescopic oil cylinder, and it includes cylinder barrel and oil pipe, and the oil pipe is axially fixed to cylinder barrel one end, oil pipe
Cylinder barrel end face is extended in one end, and the oil pipe other end, which extends, is provided with piston and piston rod in cylinder barrel other end, the cylinder barrel,
Axial oil duct is correspondingly provided with piston and piston rod, piston and piston rod are movably set in outside oil pipe respectively by axial oil duct,
Sealed between the axial oil duct inwall and oil-pipe external wall of piston provided with first seal, piston rod one end is consolidated with piston another side
Fixed connection, the piston rod other end, which extends cylinder barrel other end, to be used to drive external equipment to stretch, the piston rod other end
Axial oil duct is respectively used to connect open oil circuit with oil pipe one end；Oil-pipe external wall, piston one side and cylinder in the cylinder barrel
Cylinder one end inwall surrounds the first oil pocket jointly, and cylinder barrel one end is provided with the first hydraulic fluid port connected with the first oil pocket, the cylinder barrel
Piston rod outer wall, piston another side and cylinder barrel other end inwall surround the second oil pocket jointly, and the cylinder barrel other end is provided with and second
Second hydraulic fluid port of oil pocket connection, first hydraulic fluid port and the second hydraulic fluid port are respectively used to connect the banked direction control valves of peripheral hardware hydraulic system.
Described oil pipe one end and the piston rod other end are respectively equipped with the first pipe tooth and the second pipe tooth.
Described oil pipe one end is more than oil pipe one end to the distance of the oil pipe other end to the distance of the piston rod other end.The design
It is easy to the installation and connection of oil pipe, improves the fastness of oil pipe installation and the stability of oil transportation.
The cylinder barrel two ends and the piston rod other end are equipped with erection support.
Sealed between the inner wall of cylinder and piston outer periphery wall provided with second seal.
Sealed between the cylinder barrel end face and oil-pipe external wall provided with the 3rd seal.
Sealed between the cylinder barrel other end and piston rod outer wall provided with the 4th seal.
The open oil circuit and the banked direction control valves oil circuit of hydraulic system are relatively independent.
The utility model uses above technical scheme, when piston rod needs elongation, while opening the first hydraulic fluid port and the second oil
Mouthful, control the banked direction control valves of hydraulic system to be full of hydraulic oil out of the first hydraulic fluid port oil-feed, the first oil pocket and cause oil in the first oil pocket
When pressure is more than oil pressure in the second oil pocket, piston is moved from cylinder barrel one end to the cylinder barrel other end, promotes the piston rod other end to cylinder barrel
Outer elongation, while promoting in the second oil pocket, hydraulic oil is from the second hydraulic fluid port oil extraction, until the piston rod other end extends default elongation position
When putting, the first hydraulic fluid port and the second hydraulic fluid port are simultaneously closed off, piston and piston rod stop movement；When piston rod needs to shrink, open simultaneously
The first hydraulic fluid port and the second hydraulic fluid port are opened, controls the banked direction control valves of hydraulic system to be full of hydraulic oil out of the second hydraulic fluid port oil-feed, the second oil pocket
And when make it that oil pressure is more than oil pressure in the first oil pocket in the second oil pocket, piston is moved from the cylinder barrel other end to cylinder barrel one end, promote
The piston rod other end is to cylinder barrel contract, while promoting in the first oil pocket, hydraulic oil is from the first hydraulic fluid port oil extraction, until piston rod is another
When one end is received to default retracted position, the first hydraulic fluid port and the second hydraulic fluid port are simultaneously closed off, piston and piston rod stop movement；Above-mentioned mistake
Journey so that three effect telescopic oil cylinders have the flexible of common oil cylinder, guiding, support function；Simultaneously, it is possible to use oil pipe and axial direction
Hydraulic oil from open oil circuit oil inlet pipe is conveyed to the hydraulic test of open oil circuit by oil duct（Such as, hydraulic cylinder or liquid
Pressure motor）, to provide hydraulic power for it, make it that can there is oil transportation function, letter without separately setting oil transportation structure outside cylinder barrel
Three effect telescopic oil cylinder structures are changed, have made its function more various, using more extensive.The utility model is reasonable in design, simple in construction,
It is easy to use, it is vdiverse in function, it is widely used.
Brief description of the drawings
The utility model is further elaborated in conjunction with accompanying drawing：
Fig. 1 is the piston rod elongation state schematic diagram that the utility model three acts on telescopic oil cylinder；
Fig. 2 is the piston rod contraction state schematic diagram that the utility model three acts on telescopic oil cylinder.
Embodiment
As shown in Fig. 1 or Fig. 2, three effects telescopic oil cylinder of the present utility model, it includes cylinder barrel 1 and oil pipe 2, the oil
Pipe 2 is axially fixed to the one end of cylinder barrel 1, and the end face of cylinder barrel 1 is extended in the one end of oil pipe 2, and it is another that the other end of oil pipe 2 extends cylinder barrel 1
It is provided with end face, the cylinder barrel 1 in piston 3 and piston rod 4, piston 3 and piston rod 4 and is correspondingly provided with axial oil duct 5, piston 3
Be movably set in respectively outside oil pipe 2 by axial oil duct 5 with piston rod 4, the inwall of axial oil duct 5 of piston 3 and the outer wall of oil pipe 2 it
Between sealed provided with first seal 61, the one end of piston rod 4 is fixedly connected with the another side of piston 3, and the other end of piston rod 4 extends
The other end of cylinder barrel 1 is used to drive external equipment to stretch, the axial oil duct 5 of the other end of piston rod 4 and the one end of oil pipe 2 difference
For connecting open oil circuit；The outer wall of oil pipe 2, the one side of piston 3 and one end inwall of cylinder barrel 1 in the cylinder barrel 1 are surrounded jointly
First oil pocket 71, one end of cylinder barrel 1 is provided with outside the piston rod 4 in the first hydraulic fluid port 11 connected with the first oil pocket 71, the cylinder barrel 1
Wall, the another side of piston 3 and the other end inwall of cylinder barrel 1 surround the second oil pocket 72 jointly, and the other end of cylinder barrel 1 is provided with and the second oil pocket
Second hydraulic fluid port 12 of 72 connections, the hydraulic fluid port 12 of the first hydraulic fluid port 11 and second is respectively used to connect the multichannel of peripheral hardware hydraulic system
Valve.
Described one end of oil pipe 2 and the other end of piston rod 4 are respectively equipped with the first pipe tooth 21 and the second pipe tooth 41.
Described one end of oil pipe 2 is more than the one end of oil pipe 2 to the distance of the other end of oil pipe 2 to the distance of the other end of piston rod 4.Should
The installation and connection of oil pipe 2 are easy in design, improve the fastness of the installation of oil pipe 2 and the stability of oil transportation.
The two ends of cylinder barrel 1 and the other end of piston rod 4 are equipped with erection support 8.
Sealed between the inwall of cylinder barrel 1 and piston 3 periphery wall provided with second seal 62.
Sealed between the end face of cylinder barrel 1 and oil pipe 2 outer wall provided with the 3rd seal 63.
Sealed between the other end of cylinder barrel 1 and the outer wall of piston rod 4 provided with the 4th seal 64.
The open oil circuit and the banked direction control valves oil circuit of hydraulic system are relatively independent.
The utility model uses above technical scheme, when piston rod 4 needs elongation, while opening the first hydraulic fluid port 11 and second
Hydraulic fluid port 12, controls the banked direction control valves of hydraulic system to be full of hydraulic oil and so that first out of the oil-feed of the first hydraulic fluid port 11, the first oil pocket 71
When oil pressure is more than oil pressure in the second oil pocket 72 in oil pocket 71, piston 3 is moved from the one end of cylinder barrel 1 to the other end of cylinder barrel 1, promotes piston
The other end of bar 4 extends to outside cylinder barrel 1, while promoting in the second oil pocket 72, hydraulic oil is from the oil extraction of the second hydraulic fluid port 12, until piston rod 4
When the other end extends default extended position, the first hydraulic fluid port 11 and the second hydraulic fluid port 12 are simultaneously closed off, piston 3 and piston rod 4 stop moving
It is dynamic；When piston rod 4 needs to shrink, while open the first hydraulic fluid port 11 and the second hydraulic fluid port 12, the banked direction control valves of hydraulic system is controlled from the
Hydraulic oil is full of in the oil-feed of two hydraulic fluid port 12, the second oil pocket 72 and make it that oil pressure is more than oil pressure in the first oil pocket 71 in the second oil pocket 72
When, piston 3 is moved from the other end of cylinder barrel 1 to the one end of cylinder barrel 1, is promoted the other end of piston rod 4 to the contract of cylinder barrel 1, is promoted simultaneously
Hydraulic oil is from the oil extraction of the first hydraulic fluid port 11 in first oil pocket 71, until when the other end of piston rod 4 is received to default retracted position, close simultaneously
The first hydraulic fluid port 11 and the second hydraulic fluid port 12 are closed, piston 3 and piston rod 4 stop movement；Said process so that three effect telescopic oil cylinder tools
There are the flexible of common oil cylinder, guiding, support function；Simultaneously, it is possible to use oil pipe 2 and axial oil duct 5 will come from open oil circuit
The hydraulic oil of oil inlet pipe is conveyed to the hydraulic test of open oil circuit（Such as, hydraulic cylinder or hydraulic motor）, to be provided for it
Hydraulic power, the design makes it to have oil transportation function without separately setting oil transportation structure outside cylinder barrel 1, it is possible to reduce oil transportation works
Resistance, increases output oil amount, it is ensured that the operating oil pressure of hydraulic test, while simplifying three effect telescopic oil cylinder structures, makes its function
It is more various, using more extensive.
Piston rod 4 of the present utility model is when flexible, respectively with the one end of oil pipe 2 and the axial oil duct 5 of the other end of piston rod 4
The open oil circuit of connection can be open type hydraulic system or the closed type hydraulic system worked, otherwise will influence piston rod
4 it is flexible.
Above description should not have any restriction to protection domain of the present utility model.
Claims (8)
1. one kind three acts on telescopic oil cylinder, it is characterised in that：It includes cylinder barrel and oil pipe, and the oil pipe is axially fixed to cylinder barrel
Cylinder barrel end face is extended in one end, oil pipe one end, and the oil pipe other end, which extends, is provided with piston in cylinder barrel other end, the cylinder barrel
And piston rod, axial oil duct is correspondingly provided with piston and piston rod, and piston and piston rod are slidingly connected respectively by axial oil duct
Outside oil pipe, sealed between the axial oil duct inwall and oil-pipe external wall of piston provided with first seal, piston rod one end and piston
Another side is fixedly connected, and the piston rod other end, which extends cylinder barrel other end, to be used to drive external equipment to stretch, the piston
The axial oil duct of the bar other end is respectively used to connect open oil circuit with oil pipe one end；Oil-pipe external wall, piston in the cylinder barrel
One side and cylinder barrel one end inwall surround the first oil pocket jointly, and cylinder barrel one end is provided with the first hydraulic fluid port connected with the first oil pocket, institute
State the piston rod outer wall in cylinder barrel, piston another side and cylinder barrel other end inwall and surround the second oil pocket, the cylinder barrel other end jointly
Provided with the second hydraulic fluid port connected with the second oil pocket, first hydraulic fluid port and the second hydraulic fluid port are respectively used to connect peripheral hardware hydraulic system
Banked direction control valves.
2. a kind of three effects telescopic oil cylinder according to claim 1, it is characterised in that：Described oil pipe one end and piston rod are another
One end is respectively equipped with the first pipe tooth and the second pipe tooth.
3. a kind of three effects telescopic oil cylinder according to claim 1, it is characterised in that：Described oil pipe one end is another to piston rod
The distance of one end is more than oil pipe one end to the distance of the oil pipe other end.
4. a kind of three effects telescopic oil cylinder according to claim 1, it is characterised in that：The cylinder barrel two ends and piston rod are another
One end is equipped with erection support.
5. a kind of three effects telescopic oil cylinder according to claim 1, it is characterised in that：The inner wall of cylinder and piston outer periphery
Sealed between wall provided with second seal.
6. a kind of three effects telescopic oil cylinder according to claim 1, it is characterised in that：Outside the cylinder barrel end face and oil pipe
Sealed between wall provided with the 3rd seal.
7. a kind of three effects telescopic oil cylinder according to claim 1, it is characterised in that：The cylinder barrel other end and piston
Sealed between bar outer wall provided with the 4th seal.
8. a kind of three effects telescopic oil cylinder according to claim 1, it is characterised in that：The open oil circuit and hydraulic pressure system
The banked direction control valves oil circuit of system is relatively independent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720231236.5U CN206617386U (en) | 2017-03-10 | 2017-03-10 | One kind three acts on telescopic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720231236.5U CN206617386U (en) | 2017-03-10 | 2017-03-10 | One kind three acts on telescopic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206617386U true CN206617386U (en) | 2017-11-07 |
Family
ID=60232271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720231236.5U Active CN206617386U (en) | 2017-03-10 | 2017-03-10 | One kind three acts on telescopic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206617386U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102242194B1 (en) * | 2020-06-02 | 2021-04-20 | 한국생산기술연구원 | Telescopic cylinder type steering system for in-situ rotation to which an electro-hydrostatic actuator system is applied, a four-wheel steering axle including the same, and an in-situ rotation driving method using the same |
| CN114352604A (en) * | 2022-01-13 | 2022-04-15 | 四川鼎鸿智电装备科技有限公司 | Efficient energy-saving oil cylinder and engineering equipment |
| CN116771752A (en) * | 2022-12-02 | 2023-09-19 | 泰兴欧曼液压科技有限公司 | Telescopic cylinder not easy to be blocked |
-
2017
- 2017-03-10 CN CN201720231236.5U patent/CN206617386U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102242194B1 (en) * | 2020-06-02 | 2021-04-20 | 한국생산기술연구원 | Telescopic cylinder type steering system for in-situ rotation to which an electro-hydrostatic actuator system is applied, a four-wheel steering axle including the same, and an in-situ rotation driving method using the same |
| CN114352604A (en) * | 2022-01-13 | 2022-04-15 | 四川鼎鸿智电装备科技有限公司 | Efficient energy-saving oil cylinder and engineering equipment |
| CN116771752A (en) * | 2022-12-02 | 2023-09-19 | 泰兴欧曼液压科技有限公司 | Telescopic cylinder not easy to be blocked |
| CN116771752B (en) * | 2022-12-02 | 2024-01-09 | 泰兴欧曼液压科技有限公司 | Telescopic cylinder not easy to be blocked |
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