CN207921014U - Deceleration hydraulic cylinder - Google Patents
Deceleration hydraulic cylinder Download PDFInfo
- Publication number
- CN207921014U CN207921014U CN201820237510.4U CN201820237510U CN207921014U CN 207921014 U CN207921014 U CN 207921014U CN 201820237510 U CN201820237510 U CN 201820237510U CN 207921014 U CN207921014 U CN 207921014U
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- CN
- China
- Prior art keywords
- fluid port
- hydraulic fluid
- piston
- flange
- cylinder
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- 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
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Abstract
The utility model discloses a kind of deceleration hydraulic cylinder,Including cylinder barrel,First flange and cylinder bottom,The first flange and cylinder bottom are divided into cylinder barrel both ends,Piston and piston rod are equipped in the cylinder barrel,Described piston rod one end is fixedly connected with the piston,The piston rod other end stretches out first flange,Cylinder barrel is divided into rod chamber and rodless cavity by the piston,The first flange is equipped with the first hydraulic fluid port,First hydraulic fluid port is connected to rod chamber,The cylinder bottom is equipped with cushion chamber,Second hydraulic fluid port,Third hydraulic fluid port and the 4th hydraulic fluid port,The cushion chamber is connected to rodless cavity,Second hydraulic fluid port is connected to cushion chamber,The third hydraulic fluid port and the 4th hydraulic fluid port are divided into cylinder bottom both sides,The third hydraulic fluid port and the 4th hydraulic fluid port are connected to rodless cavity and cushion chamber,The piston rod is equipped with the buffer stopper being adapted to cushion chamber,And the buffer stopper is set to the rear of piston,Guide sleeve is equipped between the first flange and piston rod.The utility model can slow down impact force of the oil to part, extend hydraulic cylinder service life.
Description
Technical field
The utility model is related to hydraulic cylinder technical field, more particularly to a kind of deceleration hydraulic cylinder.
Background technology
Hydraulic cylinder is that hydraulic energy is changed into mechanical energy, does straight reciprocating motion（Or pendulum motion）Hydraulic pressure execute member
Part.Its simple in structure, reliable operation.When realizing reciprocating motion, deceleration device can be removed from it, there is no drive gap, fortune
It is dynamic steady, therefore be used widely in the hydraulic system of various machineries.
In the prior art, hydraulic cylinder is since its system oil stream amount is big under high-voltage high-speed movement, and pressure is in commutation
Piston acceleration is too big, to generate reversing impact, all elements in hydraulic system is made to bring prodigious damage, to significantly
Reduce the service life of each element in system.
Invention content
The technical problems to be solved in the utility model is, for the above-mentioned prior art in deficiency, a kind of deceleration liquid is provided
Cylinder pressure can effectively slow down hydraulic cylinder hydraulic oil under high-voltage high-speed movement and reduce part to the impact force of each part of hydraulic cylinder
The chance being damaged, to extend the service life of hydraulic cylinder.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of deceleration hydraulic cylinder, including cylinder barrel, first flange and cylinder bottom, the first flange and cylinder bottom are divided into cylinder barrel
Both ends, the cylinder barrel is interior to be equipped with piston and piston rod, and one end of the piston rod is fixedly connected with the piston, the other end of piston rod
First flange is stretched out, cylinder barrel is divided into rod chamber and rodless cavity by the piston, and the first flange is equipped with the first hydraulic fluid port, and described the
One hydraulic fluid port is connected to rod chamber, and the cylinder bottom is equipped with cushion chamber, the second hydraulic fluid port, third hydraulic fluid port and the 4th hydraulic fluid port, the cushion chamber
It being connected to rodless cavity, second hydraulic fluid port is connected to cushion chamber, and the third hydraulic fluid port and the 4th hydraulic fluid port are divided into the both sides of cylinder bottom,
The third hydraulic fluid port and the 4th hydraulic fluid port are connected to rodless cavity and cushion chamber, and the piston rod is equipped with the buffering being adapted to cushion chamber
Block, and the buffer stopper is set to the rear of piston, and guide sleeve is equipped between the first flange and piston rod.
As a preferred embodiment, between the guide sleeve and first flange be equipped with the first sealing ring, the guide sleeve with
The second sealing ring is equipped between piston rod.
As a preferred embodiment, third sealing ring is equipped between the piston and cylinder barrel.
As a preferred embodiment, the 4th sealing ring is equipped between the first flange and cylinder barrel.
As a preferred embodiment, a diameter of 80mm of the cylinder barrel, a diameter of 40mm of the piston rod, the piston
Range be 120mm.
As a preferred embodiment, the deceleration hydraulic cylinder further includes second flange, and the second flange is sheathed on cylinder barrel
Outside cylinder bottom junction.
As a preferred embodiment, the junction of the second flange and cylinder barrel is equipped with the 5th sealing ring.
As a preferred embodiment, the 6th sealing ring is equipped between the second flange and cylinder bottom.
As a preferred embodiment, the piston rod, piston and buffer stopper are integrally formed.
The utility model has the beneficial effects that：Pass through cushion chamber, buffer stopper, the second hydraulic fluid port, third hydraulic fluid port and the 4th hydraulic fluid port
Cooperation under, can effectively slow down hydraulic cylinder hydraulic oil under high-voltage high-speed movement and zero is reduced to the impact force of each part of hydraulic cylinder
The chance that part is damaged, to extend the service life of hydraulic cylinder；4th sealing ring, the 5th sealing ring and the 6th sealing ring
The leakproofness of rod chamber can be enhanced by being arranged, and pushed piston to be moved to cylinder bottom direction with less oil, reduced oil waste, reduction pushes away
Dynamic cost.
Description of the drawings
Fig. 1 is the sectional view of the embodiment of the utility model.
In figure：1- cylinder barrels, 2- first flanges, the first hydraulic fluid ports of 21-, 3- cylinder bottoms, 31- cushion chambers, the second hydraulic fluid ports of 32-, 33-
Third hydraulic fluid port, the 4th hydraulic fluid ports of 34-, 4- pistons, 5- piston rods, 6- buffer stoppers, 7- guide sleeves, the first sealing rings of 8-, 9- second are close
Seal, 10- third sealing rings, the 4th sealing rings of 11-, 12- second flanges, the 5th sealing rings of 13-, the 6th sealing rings of 14-.
Specific implementation mode
The structural principle of the utility model and operation principle are described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of deceleration hydraulic cylinder, including cylinder barrel 1, first flange 2 and cylinder bottom 3, the first flange 2 and cylinder
Bottom 3 is divided into the both ends of cylinder barrel 1, and piston 4 and piston rod 5 are equipped in the cylinder barrel 1, and one end of the piston rod 5 and piston 4 are solid
Fixed connection, the other end of piston rod 5 stretch out first flange 2, and the piston 4 divides cylinder barrel 1 for rod chamber and rodless cavity, and described the
One flange 2 is equipped with the first hydraulic fluid port 21, and first hydraulic fluid port 21 is connected to rod chamber, and the cylinder bottom 3 is equipped with the 31, second oil of cushion chamber
Mouth 32, third hydraulic fluid port 33 and the 4th hydraulic fluid port 34, the cushion chamber 31 are connected to rodless cavity, second hydraulic fluid port 32 and cushion chamber 31
Connection, 33 and the 4th hydraulic fluid port 34 of the third hydraulic fluid port are divided into the both sides of cylinder bottom 3, and 33 and the 4th hydraulic fluid port 34 of the third hydraulic fluid port is
It is connected to rodless cavity and cushion chamber 31, the piston rod 5 is equipped with the buffer stopper 6 being adapted to cushion chamber 31, and the buffer stopper 6 is set
Guide sleeve 7 is equipped between the rear of piston 4, the first flange 2 and piston rod 5.The guide sleeve 7 and first flange 2 it
Between be equipped with the first sealing ring 8, the second sealing ring 9 is equipped between the guide sleeve 7 and piston rod 5, the first sealing ring 8 and second is close
The setting of seal 9 makes the oil in rod chamber not leak out, and enhances the leakproofness of rod chamber, with it is less oil push piston 4 to
3 direction of cylinder bottom is moved, and is reduced oil waste, is reduced and push cost.Third sealing ring 10 is equipped between the piston 4 and cylinder barrel 1, the
The setting of three sealing rings 10 makes oil in rodless cavity not flow to rod chamber, further enhances the leakproofness of hydraulic cylinder, improves work
Efficiency.The 4th sealing ring 11 is equipped between the first flange 2 and cylinder barrel 1, the setting of the 4th sealing ring 11 makes the oil of rod chamber
It will not leak, further enhance the leakproofness of rod chamber, reduce oil waste.The deceleration hydraulic cylinder further includes second flange 12,
The second flange 12 is sheathed on outside 3 junction of cylinder barrel 1 and cylinder bottom.The junction of the second flange 12 and cylinder barrel 1 is equipped with the
Five sealing rings 13.The 6th sealing ring 14, the 5th sealing ring 13 and the 6th sealing ring are equipped between the second flange 12 and cylinder bottom 3
14 setting makes the oil of rodless cavity not leak, and enhances the leakproofness of rodless cavity, reduces oil waste.The piston rod 5, piston 4
It is integrally formed with buffer stopper 6, can effectively reduce production cost, improve packaging efficiency and production efficiency.The diameter of the cylinder barrel 1
Range for 80mm, a diameter of 40mm of the piston rod 5, the piston 4 is 120mm.
The utility model has the beneficial effects that：Pass through cushion chamber 31, buffer stopper 6, the second hydraulic fluid port 32, third hydraulic fluid port 33 and
Under the cooperation of four hydraulic fluid ports 34, it can effectively slow down the hydraulic cylinder impact of hydraulic oil to each part of hydraulic cylinder under high-voltage high-speed movement
Power reduces the chance that part is damaged, to extend the service life of hydraulic cylinder；4th sealing ring 11, the 5th sealing ring 13
The leakproofness that rod chamber can be enhanced with the setting of the 6th sealing ring 14 pushes piston 4 to be moved to 3 direction of cylinder bottom with less oil
It is dynamic, oil waste is reduced, reduces and pushes cost.
Above descriptions are merely preferred embodiments of the utility model, it is every according to the technical solution of the utility model to
On embodiment made by any subtle modifications, equivalent variations and modifications, belong to the range of technical solutions of the utility model
It is interior.
Claims (9)
1. a kind of deceleration hydraulic cylinder, it is characterised in that：Including cylinder barrel, first flange and cylinder bottom, the first flange and cylinder bottom point
Set on the both ends of cylinder barrel, piston and piston rod are equipped in the cylinder barrel, one end of the piston rod is fixedly connected with the piston, piston
The other end of bar stretches out first flange, and cylinder barrel is divided into rod chamber and rodless cavity by the piston, and the first flange is equipped with first
Hydraulic fluid port, first hydraulic fluid port are connected to rod chamber, and the cylinder bottom is equipped with cushion chamber, the second hydraulic fluid port, third hydraulic fluid port and the 4th hydraulic fluid port,
The cushion chamber is connected to rodless cavity, and second hydraulic fluid port is connected to cushion chamber, and the third hydraulic fluid port and the 4th hydraulic fluid port are divided into
The both sides of cylinder bottom, the third hydraulic fluid port and the 4th hydraulic fluid port are connected to rodless cavity and cushion chamber, and the piston rod is equipped with and buffering
The buffer stopper of chamber adaptation, and the buffer stopper is set to the rear of piston, and guide sleeve is equipped between the first flange and piston rod.
2. deceleration hydraulic cylinder according to claim 1, it is characterised in that：The is equipped between the guide sleeve and first flange
One sealing ring is equipped with the second sealing ring between the guide sleeve and piston rod.
3. deceleration hydraulic cylinder according to claim 1, it is characterised in that：Third is equipped between the piston and cylinder barrel to seal
Circle.
4. deceleration hydraulic cylinder according to claim 1, it is characterised in that：The 4th is equipped between the first flange and cylinder barrel
Sealing ring.
5. deceleration hydraulic cylinder according to claim 1, it is characterised in that：A diameter of 80mm of the cylinder barrel, the piston
The range of a diameter of 40mm of bar, the piston are 120mm.
6. deceleration hydraulic cylinder according to claim 1, it is characterised in that：Further include second flange, the second flange set
Outside cylinder barrel and cylinder bottom junction.
7. deceleration hydraulic cylinder according to claim 6, it is characterised in that：The junction of the second flange and cylinder barrel is equipped with
5th sealing ring.
8. deceleration hydraulic cylinder according to claim 6, it is characterised in that：The 6th is equipped between the second flange and cylinder bottom
Sealing ring.
9. deceleration hydraulic cylinder according to claim 1, it is characterised in that：The piston rod, piston and buffer stopper are integrated
Molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820237510.4U CN207921014U (en) | 2018-02-10 | 2018-02-10 | Deceleration hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820237510.4U CN207921014U (en) | 2018-02-10 | 2018-02-10 | Deceleration hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207921014U true CN207921014U (en) | 2018-09-28 |
Family
ID=63601313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820237510.4U Expired - Fee Related CN207921014U (en) | 2018-02-10 | 2018-02-10 | Deceleration hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207921014U (en) |
-
2018
- 2018-02-10 CN CN201820237510.4U patent/CN207921014U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20220210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |