CN207018297U - A kind of double-piston hydraulic oil cylinder - Google Patents
A kind of double-piston hydraulic oil cylinder Download PDFInfo
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- CN207018297U CN207018297U CN201720311446.5U CN201720311446U CN207018297U CN 207018297 U CN207018297 U CN 207018297U CN 201720311446 U CN201720311446 U CN 201720311446U CN 207018297 U CN207018297 U CN 207018297U
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Abstract
The utility model discloses a kind of double-piston hydraulic oil cylinder,Including cylinder body and Double decker piston,Described cylinder body one end inwall is fixed with postive stop baffle,Oil inlet pipe is provided with the postive stop baffle,The other end inwall of the cylinder body is provided with flowline,The cylinder body is provided with opening close to flowline one end,The Double decker piston includes first piston,Hollow piston rod,First limit baffle ring,Second piston,Solid piston bar and the second limit baffle ring,The diameter of the first piston is identical with the internal diameter of cylinder body,The side middle part of the first piston is fixed with hollow piston rod,The side end of hollow piston rod one is provided with the first limit baffle ring,First limit baffle ring is fixed on one end of cylinder body,The second piston is located at the inside of hollow piston rod,This hydraulic jack,By increasing hydraulic oil,By driving second piston to move in the presence of hydraulic oil,And solid piston bar is driven to move,So as to change the stroke of hydraulic jack,So that hydraulic jack is wider using orientation.
Description
Technical field
Hydraulic system technical field is the utility model is related to, specially a kind of double-piston hydraulic oil cylinder.
Background technology
In recent years, the economic fast development in China, real estate, infrastructure etc. increasingly increases for the demand of all kinds of engineering machinery
Add.The most frequently used component is all kinds of hydraulic jacks in all kinds of engineering machinery, and hydraulic jack refers to by piston rod, piston, led
The special equipment that hydraulic energy can be converted into mechanical energy-linear motion being assembled into set, cylinder barrel, cylinder cap and all kinds of sealings
Assembly, it is used to control the various uses such as the lifting of Vehicular turn, lifting arm in engineering machinery.
After the completion of the production of existing hydraulic cylinder, the stroke of hydraulic jack will be fixed, from being unable to change hydraulic jack
Stroke, when need increase hydraulic cylinder stroke be that can only be wasted time and energy, and be not easy to install by changing hydraulic cylinder.
Utility model content
The purpose of this utility model is to provide a kind of double-piston hydraulic oil cylinder, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the utility model provides following technical scheme：A kind of double-piston hydraulic oil cylinder, including cylinder body
And Double decker piston, described cylinder body one end inwall are fixed with postive stop baffle, and oil inlet pipe, the cylinder body are provided with the postive stop baffle
Other end inwall be provided with flowline, the cylinder body is provided with opening close to flowline one end, and the Double decker piston includes first and lived
Plug, hollow piston rod, the first limit baffle ring, second piston, solid piston bar and the second limit baffle ring, the first piston it is straight
Footpath is identical with the internal diameter of cylinder body, and the side middle part of the first piston is fixed with hollow piston rod, the hollow piston rod
One side end is provided with the first limit baffle ring, and first limit baffle ring is fixed on one end of cylinder body, and the second piston is positioned at sky
It is indecisive and changeable the inside of stopper rod, the side middle part of the second piston is fixed with solid piston bar, and the hollow piston rod is remote
It is provided among one end of first piston and is provided with oil extraction with solid piston shank diameter identical through hole, one end of the hollow piston rod
Mouthful, the side that the solid piston bar is located at oil discharge outlet is fixed with the second limit baffle ring.
Preferably, the side of first limit baffle ring and the side of the second limit baffle ring are respectively and fixedly provided with sealing gasket, and close
The internal diameter of packing is identical with the diameter of first piston and second piston respectively.
Preferably, the end of the hollow piston rod is fixed with baffle plate, and the diameter of baffle plate and hollow work by screw
The diameter of stopper rod is identical.
Preferably, the oil discharge outlet face flowline.
Preferably, the hollow piston rod is located at the bottom of second piston and is fixed with limited block.
Compared with prior art, the beneficial effects of the utility model are：This hydraulic jack, pressure is passed through by oil inlet pipe
Oil, and move first piston in the presence of hydraulic oil, and drive hollow piston rod to move, when the row for needing increase oil cylinder
Cheng Shi, baffle plate can be disassembled, and by increasing hydraulic oil, by driving second piston to transport in the presence of hydraulic oil
It is dynamic, and drive solid piston bar to move, so as to change the stroke of hydraulic jack, so that hydraulic jack is wider using orientation, and
And the hydraulic oil of internal penetration is discharged by oil discharge outlet.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model baffle arrangement schematic diagram.
In figure：1- cylinder bodies；2- Double decker pistons；3- postive stop baffles；4- oil inlet pipes；5- flowlines；6- is open；7- first lives
Plug；8- hollow piston rods；The limit baffle rings of 9- first；10- second pistons；11- solid piston bars；The limit baffle rings of 12- second；13-
Oil discharge outlet；14- sealing gaskets；15- baffle plates；16- limited blocks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of double-piston hydraulic oil cylinder, including the He of cylinder body 1
Double decker piston 2, one end inwall of cylinder body 1 is fixed with postive stop baffle 3, oil inlet pipe 4 is provided with the postive stop baffle 3, described
The other end inwall of cylinder body 1 is provided with flowline 5, and the cylinder body 1 is provided with opening 6, the Double decker piston 2 close to the one end of flowline 5
Including first piston 7, hollow piston rod 8, the first limit baffle ring 9, second piston 10, the limit baffle ring of solid piston bar 11 and second
12, the diameter of the first piston 7 is identical with the internal diameter of cylinder body 1, and the side middle part of the first piston 7 is fixed with hollow
Piston rod 8, the side end of hollow piston rod 8 one are provided with the first limit baffle ring 9, and first limit baffle ring 9 is fixed on cylinder body 1
One end, the second piston 10 is located at the inside of hollow piston rod 8, and the side middle part of the second piston 10 is fixed with
Solid piston bar 11, the hollow piston rod 8 are provided with identical with the diameter of solid piston bar 11 among one end away from first piston 7
Through hole, one end of the hollow piston rod 8 is provided with oil discharge outlet 13, and the side that the solid piston bar 11 is located at oil discharge outlet 13 is consolidated
Surely there is the second limit baffle ring 12.
The side of first limit baffle ring 9 and the side of the second limit baffle ring 12 are respectively and fixedly provided with sealing gasket 14, and seal
The internal diameter of pad 14 is identical with the diameter of first piston 7 and second piston 10 respectively, strengthens sealing, the hollow piston rod 8
End is fixed with baffle plate 15 by screw, and the diameter of baffle plate 15 is identical with the diameter of hollow piston rod 8, solid for fixing
Piston rod 11, the face flowline 5 of oil discharge outlet 13, is easy to oil extraction, and the hollow piston rod 8 is located at the bottom of second piston 10
Limited block 16 is fixed with, fixed second piston 10, prevents second piston 10 from rocking.
Operation principle：When in use, pressure oil is passed through by oil inlet pipe 4, and makes the first work in the presence of hydraulic oil
The movement of plug 7, and drive hollow piston rod 8 to move, when needing to increase the stroke of oil cylinder, baffle plate 15 can be disassembled, and
And by increasing hydraulic oil, by driving second piston 10 to move in the presence of hydraulic oil, and drive solid piston bar 11 to move,
So as to change the stroke of hydraulic jack, so that hydraulic jack is wider using orientation, and the hydraulic oil of internal penetration passes through row
Hydraulic fluid port 13 is discharged.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of double-piston hydraulic oil cylinder, including cylinder body (1) and Double decker piston (2), it is characterised in that：Described cylinder body (1) one end
Inwall is fixed with postive stop baffle (3), is provided with oil inlet pipe (4) on the postive stop baffle (3), in the other end of the cylinder body (1)
Wall is provided with flowline (5), and the cylinder body (1) is provided with opening (6) close to flowline (5) one end, and the Double decker piston (2) includes the
One piston (7), hollow piston rod (8), the first limit baffle ring (9), second piston (10), solid piston bar (11) and second are spacing
Baffle ring (12), the diameter of the first piston (7) is identical with the internal diameter of cylinder body (1), the side pars intermedia of the first piston (7)
Position is fixed with hollow piston rod (8), and the side end of hollow piston rod (8) one is provided with the first limit baffle ring (9), first limit
Position baffle ring (9) is fixed on one end of cylinder body (1), and the second piston (10) is located at the inside of hollow piston rod (8), and described second
The side middle part of piston (10) is fixed with solid piston bar (11), the remote first piston (7) of the hollow piston rod (8)
It is provided among one end and is provided with oil discharge outlet with solid piston bar (11) diameter identical through hole, one end of the hollow piston rod (8)
(13) side that, the solid piston bar (11) is located at oil discharge outlet (13) is fixed with the second limit baffle ring (12)；
Wherein, the end of the hollow piston rod (8) is fixed with baffle plate (15), and the diameter of baffle plate (15) and sky by screw
Be indecisive and changeable stopper rod (8) diameter it is identical.
A kind of 2. double-piston hydraulic oil cylinder according to claim 1, it is characterised in that：First limit baffle ring (9)
Side and the side of the second limit baffle ring (12) are respectively and fixedly provided with sealing gasket (14), and the internal diameter of sealing gasket (14) is lived with first respectively
It is identical with the diameter of second piston (10) to fill in (7).
A kind of 3. double-piston hydraulic oil cylinder according to claim 1, it is characterised in that：Oil discharge outlet (13) face is fuel-displaced
Manage (5).
A kind of 4. double-piston hydraulic oil cylinder according to claim 1, it is characterised in that：The hollow piston rod (8) is located at
The bottom of second piston (10) is fixed with limited block (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311446.5U CN207018297U (en) | 2017-03-28 | 2017-03-28 | A kind of double-piston hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311446.5U CN207018297U (en) | 2017-03-28 | 2017-03-28 | A kind of double-piston hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018297U true CN207018297U (en) | 2018-02-16 |
Family
ID=61459711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720311446.5U Active CN207018297U (en) | 2017-03-28 | 2017-03-28 | A kind of double-piston hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827709A (en) * | 2018-06-20 | 2018-11-16 | 苏州盖德精细材料有限公司 | A kind of novel sampling device for reaction kettle |
| CN112780633A (en) * | 2021-01-06 | 2021-05-11 | 安徽鼎图液压设备有限公司 | Double-cylinder hydraulic oil cylinder |
-
2017
- 2017-03-28 CN CN201720311446.5U patent/CN207018297U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827709A (en) * | 2018-06-20 | 2018-11-16 | 苏州盖德精细材料有限公司 | A kind of novel sampling device for reaction kettle |
| CN108827709B (en) * | 2018-06-20 | 2020-11-06 | 江苏嘉宇特种装备股份有限公司 | A sampling device for reation kettle |
| CN112780633A (en) * | 2021-01-06 | 2021-05-11 | 安徽鼎图液压设备有限公司 | Double-cylinder hydraulic oil cylinder |
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