CN209654347U - A kind of hydraulic cylinder and the lathe containing the hydraulic cylinder - Google Patents
A kind of hydraulic cylinder and the lathe containing the hydraulic cylinder Download PDFInfo
- Publication number
- CN209654347U CN209654347U CN201920236334.7U CN201920236334U CN209654347U CN 209654347 U CN209654347 U CN 209654347U CN 201920236334 U CN201920236334 U CN 201920236334U CN 209654347 U CN209654347 U CN 209654347U
- Authority
- CN
- China
- Prior art keywords
- piston
- oil
- valve
- cylinder barrel
- Prior art date
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 5
- 241001484259 Lacuna Species 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 239000011159 matrix material Substances 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 80
- 238000010586 diagram Methods 0.000 description 5
- 238000005381 potential energy Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Actuator (AREA)
Abstract
A kind of hydraulic cylinder and the lathe containing the hydraulic cylinder, belong to technical field of hydraulic pressure, including flange one, cylinder barrel one, cylinder barrel two, flange two, control valve and piston component, oil duct one and oil duct two are opened or closed by controlling control valve and realizes the servo-actuated of piston rod and control valve, it does not need spring and reverberation matrix method is provided, structure is simple, energy conservation and environmental protection.
Description
Technical field
The present invention relates to technical field of hydraulic pressure more particularly to a kind of hydraulic cylinder and contain the lathe of the hydraulic cylinder.
Background technique
Many hydraulic devices need to be precisely controlled speed or the position of hydraulic cylinder, and structure is complicated for existing servo hydraulic cylinder, valence
Lattice are expensive, are unfavorable for promoting.
Number of patent application: 201810332551.6 disclose a kind of hydraulic cylinder and the hydraulic device containing the hydraulic cylinder, lead to
The potential energy that rodless cavity hydraulic pressure makes the oriented separate spool direction of piston component mobile is crossed, the pressure in rod chamber makes piston
The mobile potential energy in the oriented spool direction of component, piston component it is static or to spool it is mobile when, oil inlet and oil return opening communicate, In
When piston component underrun, spool and valve seat can keep gap appropriate, control the oil inlet quantity of oil duct, pass through control valve core
Axial movement opening and closing oil duct, it can be achieved that piston component it is servo-actuated, collaboration digital control system can realize digital precision control, but this is specially
Benefit needs spring or accumulator to provide reverberation matrix method for piston, and spring or accumulator can consume energy when in use, when used for a long time
It will increase failure rate.
Summary of the invention
Technical solution of the present invention one proposes a kind of hydraulic cylinder, and hydraulic cylinder collaboration digital control system can realize digital precision control
System provides reverberation matrix method without accumulator or spring, and structure is simple, energy conservation and environmental protection.
A kind of hydraulic cylinder, including flange one, cylinder barrel one, two flange of cylinder barrel, cylinder barrel two, flange two, control valve and piston group
There is through-hole at part, one center of flange, control valve are equipped in through-hole, and sealing element, flange one are equipped between control valve and through-hole
It is connect with one one end seam allowance of cylinder barrel, one other end of cylinder barrel is connect with two flange seam allowance of cylinder barrel, and cylinder barrel one is close to two flange position of cylinder barrel
Oil inlet is installed, two flange of cylinder barrel is connect with two seam allowance of cylinder barrel, and cylinder barrel two is equipped with oil return opening, cylinder barrel two and two seam allowance of flange
It connects, is equipped with piston component in cylinder barrel one, piston component has piston rod, piston, oil duct one, oil duct two and valve chamber, cylinder barrel one
Inner piston is oil pocket one to flange one, and one inner piston of cylinder barrel to two flange of cylinder barrel is oil pocket two, and two inner cylinder tube of cylinder barrel, two flange arrives
Flange two is oil pocket three, and valve chamber is located at piston one end center, and one one end of oil duct is connected to oil pocket two, the other end of oil duct one
It is connected to valve chamber, valve chamber is connected to oil pocket one, and two one end of oil duct is connected to one end of valve chamber, and two other end of oil duct and oil pocket three connect
Logical, the control valve includes valve rod, spool and oil duct three, and described valve rod one end connects with one end of spool, contains on spool
There is an oil duct three, spool is by valve chamber two parts, this two parts of three connection of oil duct.
Preferably, piston component further includes valve pocket, and there is hole in one end face of piston component, and valve pocket is mounted in hole, valve
It is valve chamber in set, there is oilhole on the valve pocket, the outer circle of valve pocket is equipped with annular oil groove one, is equipped with annular in the valve chamber of valve pocket
Oil groove two, oilhole connection oil groove one and oil groove two, oil groove one are connected to oil duct one, and oil groove two is connected to valve chamber, and the oilhole can
It is multiple to have.
Preferably, the piston component further includes nut, and the valve pocket further includes seal groove, described piston rod one end
Equipped with screw thread and sealing element, screw thread, the threaded one end connection of piston and piston rod also are provided in piston, the seal groove is located at
In valve pocket outer circle, sealing element is installed in seal groove, the end face center of piston rod one end is equipped with hole, the valve pocket and piston rod
Interporal lacuna cooperation on the end face of one end, nut are connect with piston thread, and nut is used to fix valve pocket.
Preferably, described piston rod one end is equipped with screw thread and sealing element, and piston centre is equipped with hole, is equipped with one He of step in hole
Step two, in one end of piston, the valve pocket installation step two, piston and piston rod thread connect the step one
It connects, bolt or the installation connection of other prior arts can also be passed through.
Another aspect of the present invention proposes that a kind of lathe containing hydraulic cylinder, the hydraulic cylinder are above-mentioned hydraulic cylinder.
Technical solution of the present invention and propose the lathe containing the hydraulic cylinder, the hydraulic cylinder be technical solution one described in appoint
A kind of hydraulic cylinder, the simple, energy conservation and environmental protection without accumulator or spring offer reverberation matrix method, structure.
Compared with prior art, the beneficial effects of the present invention are: opening or closing oil by controlling control valve in this structure
Road one and oil duct two realize the servo-actuated of piston rod and control valve, do not need spring and provide reverberation matrix method, structure is simple, energy conservation and environmental protection.
Detailed description of the invention
Fig. 1 is present hydraulic cylinder structural schematic diagram,
Fig. 2 is one structural schematic diagram of the embodiment of the present invention,
Fig. 3 is two structural schematic diagram of the embodiment of the present invention,
Fig. 4 is housing configuration schematic diagram of the present invention,
Fig. 5 is inventive piston structural schematic diagram.
In figure: 1 flange one, 2 cylinder barrels one, 201 oil inlets, 3 cylinder barrel, two flange, 4 cylinder barrels two, 401 oil return openings, 5 flanges two,
6 control valves, 601 valve rods, 602 spools, 603 oil ducts three, 8 piston components, 801 piston rods, 802 pistons, 803 valve pockets, 804 oil grooves
One, 805 oil grooves two, 806 oilholes, 807 nuts, 808 steps one, 809 steps two, 810 oil ducts one, 811 oil ducts two, 812 valve chambers.
Specific embodiment:
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
As shown in Figures 1 to 5, a kind of hydraulic cylinder, including flange 1, cylinder barrel 1, two flange 3 of cylinder barrel, cylinder barrel 24, method
There is through-hole at orchid 25, control valve 6 and piston component 8, one 1 center of flange, control valve 6, control valve 6 are equipped in through-hole
Sealing element is equipped between through-hole, flange 1 is connect with one 2 one end seam allowance of cylinder barrel, and one 2 other end of cylinder barrel stops with two flange 3 of cylinder barrel
Mouth connection, cylinder barrel 1 are equipped with oil inlet 201 close to two flange of cylinder barrel, 3 position, and two flange 3 of cylinder barrel is connect with 24 seam allowance of cylinder barrel,
Cylinder barrel 24 is equipped with oil return opening 401, and cylinder barrel 24 is connect with 25 seam allowance of flange, and piston component 8, piston are equipped in cylinder barrel 1
Component 8 has piston rod 801, piston 802, oil duct 1, oil duct 2 811 and valve chamber 812, and one 2 inner piston 802 of cylinder barrel arrives flange
One 1 be oil pocket one, and one 2 inner piston 802 of cylinder barrel to two flange 3 of cylinder barrel is oil pocket two, and 24 inner cylinder tube of cylinder barrel, two flange 3 arrives flange
25 be oil pocket three, and valve chamber 812 is located at 802 one end center of piston, and one 810 one end of oil duct is connected to oil pocket two, oil duct one
810 other end is connected to valve chamber 812, and valve chamber 812 is connected to oil pocket one, and one end of 2 811 one end of oil duct and valve chamber 812 connects
Logical, 2 811 other end of oil duct and oil pocket tee joint, the control valve 6 include valve rod 601, spool 602 and oil duct 3 603, institute
601 one end of valve rod stated is connected with one end of spool 602, oil duct 3 603 is contained on spool 602, spool 602 is by 812 liang of valve chamber
Part, this two parts of 3 603 connection of oil duct.
As shown in Figures 1 to 5, piston component 8 further includes valve pocket 803, and there are hole, valve pocket in 8 one end face of piston component
803 are mounted in hole, are valve chamber 812 in valve pocket 803, have oilhole 806 on the valve pocket 803, the outer circle of valve pocket 803 is equipped with
Annular oil groove 1, the valve chamber 812 of valve pocket 803 is interior to be equipped with annular oil groove 2 805, and oilhole 806 is connected to oil groove 1 and oil groove
2 805, oil groove 1 is connected to oil duct 1, and oil groove 2 805 is connected to valve chamber 812, and the oilhole 806 can have multiple.
Embodiment one
As shown in Figure 2 and Figure 5, the piston component 8 further includes nut 807, and the valve pocket 803 further includes seal groove,
Described 801 one end of piston rod is equipped with screw thread and sealing element, and screw thread, piston 802 and piston rod 801 also are provided in piston 802
Threaded one end connection, the seal groove are located in 803 outer circle of valve pocket, and sealing element, 801 one end of piston rod are equipped in seal groove
End face center be equipped with hole, the interporal lacuna on the end face of the valve pocket 803 and 801 one end of piston rod cooperates, nut 807 and living
Plug 802 is threadedly coupled, and nut 807 is used to fix valve pocket 803.
Embodiment two
As shown in figure 3, described 801 one end of piston rod is equipped with screw thread and sealing element, 801 center of piston is equipped with hole, sets in hole
There are step 1 and step 2 806, the step 1 is close to one end of piston 802,803 installation step of valve pocket
In 2 809, piston 802 is threadedly coupled with piston rod 801, can also pass through bolt or the installation connection of other prior arts.
Another aspect of the present invention proposes that a kind of lathe containing hydraulic cylinder, the hydraulic cylinder are above-mentioned hydraulic cylinder.
As all shown, the present invention works in this way, starts hydraulic station, and the pressure oil of hydraulic station enters oil inlet
201, oil pocket two is interior to generate pressure, pushes control valve 6 mobile to the right Fig. 1 by servo motor or other prior arts,
Oil duct 1 is opened, and oil duct 2 811 is closed, and oil pocket two is connected to oil pocket one, and the pressure of oil pocket a pair of pistons 802 is greater than oil pocket
The pressure of two pairs of pistons 802, piston 802 is to movement on the right of Fig. 1, and when control valve 6 is mobile to the left side Fig. 1, oil duct 1 is closed
It closing, oil duct 2 811 is opened, oil pocket one and oil pocket tee joint, and piston 8 is mobile to the left side Fig. 1 by the pressure in valve chamber 2 812,
Hydraulic oil in oil pocket one passes sequentially through oil duct 3 603, oil duct 2 811 and oil pocket three, arrives hydraulic station through oil return opening 401, passes through
The moving direction and speed for controlling control valve 6 can be precisely controlled hydraulic cylinder.
In conclusion be merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of hydraulic cylinder, including flange one (1), cylinder barrel one (2), cylinder barrel two (4), flange two (5), control valve (6) and piston
Component (8), it is characterised in that: there is through-hole at described flange one (1) center, is equipped in through-hole control valve (6), control valve (6)
Sealing element is equipped between through-hole, flange one (1) is connect with cylinder barrel one (2) one end seam allowance, cylinder barrel one (2) other end and cylinder barrel two
(4) seam allowance connects, and cylinder barrel one (2) is equipped with oil inlet (201) close to cylinder barrel two (4) position, and cylinder barrel two (4) is equipped with oil return opening
(401), cylinder barrel two (4) is connect with flange two (5) seam allowance, is equipped with piston component (8) in cylinder barrel one (2), piston component (8) has
Piston rod (801), piston (802), oil duct one (810), oil duct two (811) and valve chamber (812), cylinder barrel one (2) inner piston (802)
It is oil pocket one to flange one (1), cylinder barrel one (2) inner piston (802) to cylinder barrel two (4) is oil pocket two, arrives flange in cylinder barrel two (4)
Two (5) are oil pocket three, and valve chamber (812) is located at piston (802) one end center, and oil duct one (810) one end is connected to oil pocket two,
The other end of oil duct one (810) is connected to valve chamber (812), and valve chamber (812) is connected to oil pocket one, oil duct two (811) one end and valve
One end of chamber (812) is connected to, oil duct two (811) other end and oil pocket tee joint, the control valve (6) include valve rod (601),
Spool (602) and oil duct three (603), the valve rod (601) one end are connected with one end of spool (602), and spool contains on (602)
There is an oil duct three (603), spool (602) is by valve chamber (812) two parts, this two parts of oil duct three (603) connection.
2. a kind of hydraulic cylinder as described in claim 1, it is characterised in that: the piston component (8) further includes valve pocket
(803), there is hole in (8) one end face of piston component, and valve pocket (803) is mounted in hole, is in valve pocket (803) valve chamber (812),
Have oilhole (806) on the valve pocket (803), the outer circle of valve pocket (803) is equipped with annular oil groove one (804), valve pocket (803)
Annular oil groove two (805) is equipped in valve chamber (812), oilhole (806) is connected to oil groove one (804) and oil groove two (805), oil groove one
(804) it is connected to oil duct one (810), oil groove two (805) is connected to valve chamber (812).
3. a kind of hydraulic cylinder as claimed in claim 2, it is characterised in that: the piston component (8) further includes nut (807),
The valve pocket (803) further includes seal groove, and the piston rod (801) one end is equipped with screw thread and sealing element, and piston (802) is interior
It also is provided with screw thread, piston (802) is connect with the threaded one end of piston rod (801), and the end face center of piston rod (801) one end is equipped with
Interporal lacuna on the end face of hole, the valve pocket (803) and piston rod (801) one end cooperates, nut (807) and piston (802)
It is threadedly coupled.
4. a kind of hydraulic cylinder as claimed in claim 2, it is characterised in that: described piston rod (801) one end is equipped with screw thread and close
Sealing, piston (802) center are equipped with hole, are equipped with step one (808) and step two (809) in hole, the step one (808) leans on
One end of nearly piston (802), the valve pocket (803) installation step two (809) is interior, piston (802) and piston rod (801) screw thread
Connection.
5. a kind of lathe containing hydraulic cylinder, it is characterised in that: the hydraulic cylinder is any liquid of Claims 1-4
Cylinder pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920236334.7U CN209654347U (en) | 2019-02-25 | 2019-02-25 | A kind of hydraulic cylinder and the lathe containing the hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920236334.7U CN209654347U (en) | 2019-02-25 | 2019-02-25 | A kind of hydraulic cylinder and the lathe containing the hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654347U true CN209654347U (en) | 2019-11-19 |
Family
ID=68525172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920236334.7U Expired - Fee Related CN209654347U (en) | 2019-02-25 | 2019-02-25 | A kind of hydraulic cylinder and the lathe containing the hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209654347U (en) |
-
2019
- 2019-02-25 CN CN201920236334.7U patent/CN209654347U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102388299B1 (en) | Multi Sealing High Speed Solenoid Valve | |
| CN108506403B (en) | Large-scale hydraulic damper | |
| CN105952698B (en) | A kind of solution-air pressurized cylinder | |
| CN203847730U (en) | Seal cartridge embedded type throttle valve | |
| CN107061834A (en) | Built-in driving axial flow control valve | |
| CN110375091A (en) | A kind of lightweight change valve and reversal valve based on SLM technology | |
| CN108331926A (en) | A kind of double sealing piston formula the needle valve | |
| CN209654347U (en) | A kind of hydraulic cylinder and the lathe containing the hydraulic cylinder | |
| WO2019128131A1 (en) | Hydraulic oil cylinder with anti-shear structure | |
| CN109737116A (en) | A kind of hydraulic cylinder and the lathe containing the hydraulic cylinder | |
| CN204985153U (en) | Combination pneumatic cylinder and control system thereof | |
| CN110630582B (en) | Cylinder energy storage type hydraulic cylinder | |
| CN105201942A (en) | Balance valve and automobile crane | |
| CN108266413B (en) | Asymmetric electro-hydrostatic actuator based on pressure selection valve | |
| CN110925348A (en) | Assembled pressure self-balancing magnetorheological damper | |
| CN105221514A (en) | A kind of integrated hydraulic cylinder with bidirection press safety protection | |
| CN116066445A (en) | Balance type leakless low friction hydraulic cylinder | |
| CN108708888A (en) | Fluid pressure line explosion-proof valve | |
| CN203770773U (en) | Pressure regulating valve | |
| CN108518377B (en) | A kind of automatic diverter valve for garbage compression station | |
| CN105065369A (en) | Built-up hydraulic cylinder and control system and control method thereof | |
| CN103088934B (en) | The external adjustable type viscous damper of a kind of pressure limiting | |
| CN206874741U (en) | A kind of valve-regulated MR damper | |
| CN110848312A (en) | Assembled pressure self-balancing magnetorheological damper | |
| CN205331094U (en) | Engineering machine tool liquid accuse back pressure valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 |