CN208778387U - Pressurizing cylinder - Google Patents
Pressurizing cylinder Download PDFInfo
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- CN208778387U CN208778387U CN201821604603.2U CN201821604603U CN208778387U CN 208778387 U CN208778387 U CN 208778387U CN 201821604603 U CN201821604603 U CN 201821604603U CN 208778387 U CN208778387 U CN 208778387U
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- cylinder
- cylinder body
- spool
- piston
- pressurized
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Abstract
This application discloses a kind of pressurizing cylinders, including hydraulic cylinder body and pressurized cylinder cylinder body, the hydraulic cylinder body is connect with pressurized cylinder cylinder body, charged piston is equipped in the pressurized cylinder cylinder body, pressurized cylinder cylinder body is divided into high pressure chest by the charged piston, booster cavity and discharge chamber, step is equipped in the charged piston, valve pocket is equipped at the step, spool and female connector are additionally provided in the charged piston, one end that the spool is equipped with taper is fixed at the end cap of charged piston by locating piece, another section of the spool is connect with female connector, the junction of spool and female connector is just arranged in the valve pocket, the pressurized cylinder cylinder base is equipped with hydraulic fluid port, overflow valve is connected between the booster cavity and hydraulic fluid port.By structural adjustment, spool taper sealing can guarantee good pressure maintaining performance, while can effectively control preload pressure by solenoid valve control starting the pressurizing cylinder, meet automation demanding.
Description
Technical field
This application involves oil cylinder field, especially a kind of pressurizing cylinder.
Background technique
Currently, hydraulic cylinder is widely used, common oil cylinder is applied to the row such as engineering machinery, metallurgy, injection molding, press more
Industry.Common oil cylinder is needed during use in biggish locking, results in the cumbersome of structure and hydraulic system in this way, and at
Originally increase.Phenomena such as pressurizing cylinder in the prior art, it is poor pressure maintaining performance often occur, not can be effectively controlled preload pressure.
Utility model content
The purpose of this utility model is to provide a kind of pressurizing cylinders, to overcome deficiency in the prior art.
To achieve the above object, the utility model provides the following technical solutions:
The embodiment of the present application discloses pressurizing cylinder, including hydraulic cylinder body and pressurized cylinder cylinder body, the hydraulic cylinder body
End cap is equipped with oil inlet, and the hydraulic cylinder body is intracavitary to be equipped with the piston cooperated, is fixedly connected with piston rod on the piston,
Hydraulic cylinder body is divided into rod chamber and rodless cavity, port and pressurization of the hydraulic cylinder body close to rodless cavity by the piston
The connection of cylinder cylinder body, the pressurized cylinder cylinder body is interior to be equipped with charged piston, it is characterised in that: the charged piston divides pressurized cylinder cylinder body
It is divided into high pressure chest, booster cavity and discharge chamber, step is equipped in the charged piston, is equipped with valve pocket, the pressurization at the step
Spool and female connector are additionally provided in piston, one end that the spool is equipped with taper is fixed on the end cap of charged piston by locating piece
Place, another section of the spool are connect with female connector, and the junction of spool and female connector, the pressurized cylinder is just arranged in the valve pocket
Cylinder base is equipped with hydraulic fluid port, is connected with overflow valve between the booster cavity and hydraulic fluid port.
Preferably, in above-mentioned pressurizing cylinder, the overflow valve is direct acting overflow valve.
Preferably, in above-mentioned pressurizing cylinder, the pressurized cylinder cylinder body is equipped with the venthole being connected to discharge chamber.
Preferably, in above-mentioned pressurizing cylinder, the pressurized cylinder cylinder body is equipped with the pressure gauge peace being connected to rodless cavity
Fill hole.
Preferably, in above-mentioned pressurizing cylinder, the hydraulic cylinder body outer wall is equipped with annular flange seat.
Preferably, in above-mentioned pressurizing cylinder, the spool is equipped with spring.
Compared with the prior art, the advantages of the utility model are:
The pressurizing cylinder can guarantee good pressure maintaining performance, while passing through electromagnetism by structural adjustment, spool taper sealing
Valve control starting can effectively control preload pressure, meet automation demanding.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application are not making the creative labor according to this for those of ordinary skill in the art
A little attached drawings obtain other attached drawings.
Fig. 1 show the principle schematic diagram of pressurizing cylinder in the utility model specific embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Detailed description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Join shown in Fig. 1, the pressurizing cylinder in the present embodiment, including hydraulic cylinder body 1 and pressurized cylinder cylinder body 2, hydraulic cylinder
1 end cap of body is equipped with oil inlet 3, and hydraulic cylinder body 1 is intracavitary to be equipped with the piston 4 cooperated, is fixedly connected with piston rod 5 on piston 4,
Hydraulic cylinder body 1 is divided into rod chamber 6 and rodless cavity 7, port and pressurized cylinder of the hydraulic cylinder body 1 close to rodless cavity 7 by piston 4
Cylinder body 2 connects, and charged piston 8 is equipped in pressurized cylinder cylinder body 2, and pressurized cylinder cylinder body 2 is divided into high pressure chest 7, pressurization by charged piston 8
Chamber 9 and discharge chamber 10, charged piston 8 is interior to be equipped with step, and valve pocket 11 is equipped at step, is additionally provided with 12 He of spool in charged piston 8
Female connector 13, one end that spool 12 is equipped with taper are fixed at the end cap of charged piston 8 by locating piece 14, and spool 12 is equipped with bullet
Another section of spring 20, spool 12 is connect with female connector 13, and the junction of spool 12 Yu female connector 13, pressurized cylinder is just arranged in valve pocket 11
2 bottom of cylinder body is equipped with hydraulic fluid port 15, and direct acting overflow valve 16 is connected between booster cavity 9 and hydraulic fluid port 15.
Further, pressurized cylinder cylinder body 2 is equipped with the venthole 17 being connected to discharge chamber 10, and pressurized cylinder cylinder body 2 is equipped with
The pressure gauge mounting hole 18 being connected to rodless cavity 7.
In the technical scheme, pressurizing cylinder can guarantee good pressure maintaining by structural adjustment, spool taper sealing
Can, while preload pressure can effectively be controlled by solenoid valve control starting, meet automation demanding.
Further, 1 outer wall of hydraulic cylinder body is equipped with annular flange seat 19.
It is convenient to be fixedly connected with external piece.
It is as follows that principle is embodied:
Molding mode: hydraulic oil is flowed into from hydraulic fluid port 15, opens spool 11, and hydraulic oil enters high pressure chest 7 and pushes piston 4 forward
Mobile, overflow valve 16 is powered after 4 push-tight of piston, and hydraulic oil is by entering booster cavity 9 by overflow valve 16 to push pressurization
Piston 8 is moved along, and spool 11 is automatically closed when shifting top onto, and 9 pressure of booster cavity increases, and is turned off overflow valve 16 and is protected
Pressure.
Die sinking mode: hydraulic oil is flowed into from oil inlet 3 pushes piston 4 to move backward, and spool 11 is in close state at this time
It pushes charged piston 8 to move backward, spool 11 is being opened by female connector 13, hydraulic oil backs into postal through hydraulic fluid port 15 from high pressure chest 7
Case, while the hydraulic oil in booster cavity 9 stays oil return opening 15 by overflow valve 16.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (6)
1. a kind of pressurizing cylinder, including hydraulic cylinder body and pressurized cylinder cylinder body, the hydraulic cylinder body end cap is equipped with oil inlet,
The intracavitary piston for being equipped with cooperation of the hydraulic cylinder body, is fixedly connected with piston rod on the piston, and the piston is by hydraulic cylinder
Cylinder body is divided into rod chamber and rodless cavity, and the hydraulic cylinder body is connect close to the port of rodless cavity with pressurized cylinder cylinder body, described
Charged piston is equipped in pressurized cylinder cylinder body, it is characterised in that: pressurized cylinder cylinder body is divided into high pressure chest, pressurization by the charged piston
Chamber and discharge chamber, the charged piston is interior to be equipped with step, and valve pocket is equipped at the step, is additionally provided with spool in the charged piston
And female connector, the spool be equipped with taper one end be fixed at the end cap of charged piston by locating piece, the spool it is another
Section is connect with female connector, and the junction of spool and female connector is just arranged in the valve pocket, and the pressurized cylinder cylinder base is equipped with hydraulic fluid port,
Overflow valve is connected between the booster cavity and hydraulic fluid port.
2. a kind of pressurizing cylinder according to claim 1, it is characterised in that: the overflow valve is direct acting overflow valve.
3. a kind of pressurizing cylinder according to claim 1, it is characterised in that: the pressurized cylinder cylinder body is equipped with and discharge chamber
The venthole of connection.
4. a kind of pressurizing cylinder according to claim 1, it is characterised in that: the pressurized cylinder cylinder body is equipped with and rodless cavity
The pressure gauge mounting hole of connection.
5. a kind of pressurizing cylinder according to claim 1, it is characterised in that: the hydraulic cylinder body outer wall is equipped with annular
Flange seat.
6. a kind of pressurizing cylinder according to claim 1, it is characterised in that: the spool is equipped with spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821604603.2U CN208778387U (en) | 2018-09-29 | 2018-09-29 | Pressurizing cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821604603.2U CN208778387U (en) | 2018-09-29 | 2018-09-29 | Pressurizing cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208778387U true CN208778387U (en) | 2019-04-23 |
Family
ID=66161381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821604603.2U Active CN208778387U (en) | 2018-09-29 | 2018-09-29 | Pressurizing cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208778387U (en) |
-
2018
- 2018-09-29 CN CN201821604603.2U patent/CN208778387U/en active Active
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| GR01 | Patent grant |