CN207715456U - A kind of high reliability buffering throttling oil cylinder connection valve block assembly - Google Patents
A kind of high reliability buffering throttling oil cylinder connection valve block assembly Download PDFInfo
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- CN207715456U CN207715456U CN201721664092.9U CN201721664092U CN207715456U CN 207715456 U CN207715456 U CN 207715456U CN 201721664092 U CN201721664092 U CN 201721664092U CN 207715456 U CN207715456 U CN 207715456U
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Abstract
The utility model belongs to technical field of hydraulic oil cylinder, and in particular to a kind of high reliability buffering throttling oil cylinder connection valve block assembly, its object is to solve the problems, such as that existing oil cylinder connection valve block integrated level is low, occupied space is big.The technical solution of the utility model is：A kind of high reliability buffering throttling oil cylinder connection valve block assembly, including oil cylinder connection valve block, transit joint, one-way throttle valve, solenoid electric valve and oil circuit connector；Described oil cylinder connection three orthogonal mounting surfaces of valve block are respectively arranged with fuel feed hole, oil-control hole and oil return hole, one-way throttle valve is mounted in fuel feed hole, solenoid electric valve is mounted in oil-control hole, oil circuit connector is mounted in oil return hole, wherein fuel feed hole is connected to oil-control hole, and oil-control hole is connected to oil return hole.
Description
Technical field
The utility model belongs to technical field of hydraulic oil cylinder, and in particular to a kind of high reliability buffering throttling oil cylinder connection valve
Block assembly.
Background technology
In existing cylinder system, control cylinder lifting is usually to be controlled by reversal valve, if to realize control oil return speed
Degree then needs integrated speed governing valve in reversal valve, or directly one-way speed-regulating valve is connected in oil return circuit.However, control cylinder
The control valve in circuit is usually independent other than cylinder system, has a spacing between the control valve and cylinder system of oil inlet cavity
When from, manual control, deviation is easy tod produce.Such mode, to realize servo antrol, needs in the hydraulic system of limited bulk
Redesigning more complex mechanism controls could realize that the control for following action, volume then can be larger, especially small-sized hydraulic system,
The occupied space of control valve is very big, will seriously affect utilization of the equipment to space.Therefore, one-way buffer throttle valve can be concentrated
Oil circuit is controlled in valve block, by solenoid valve come the break-make of control loop, to efficiently use the device space.
Invention content
The problem that utility model aims to solve existing cylinder system integrated levels is low, occupied space is big, and provide
A kind of high reliability buffering throttling oil cylinder connection valve block assembly.
A kind of high reliability buffering throttling oil cylinder connection valve block assembly, is characterized in that：Including oil cylinder connection valve block,
Transit joint, one-way throttle valve, solenoid electric valve and oil circuit connector；The oil cylinder connects three orthogonal mounting surfaces of valve block
It is respectively arranged with fuel feed hole, oil-control hole and oil return hole, one-way throttle valve is mounted in fuel feed hole, and solenoid electric valve is mounted on oil-control
In hole, oil circuit connector is mounted in oil return hole, and wherein fuel feed hole is connected to oil-control hole, and oil-control hole is connected to oil return hole.
Further, one-way throttle valve is equipped with throttle bore, and solenoid valve is equipped with control valve opening, and oil circuit connector is equipped with
Oil circuit nipple orifice, the throttle bore are connected with control valve opening, and control valve opening is connected with oil circuit nipple orifice.
Further, further include the transit joint hole being coaxially disposed with fuel feed hole and the transition in transit joint hole
Connector, the transit joint bore dia are more than oil inlet bore dia.
Further, the communication port of the oil circuit connector and solenoid electric valve is equipped with joint groove, and the communication port is most
Major diameter is less than the width of joint groove.
Further, cushion block is equipped between the transit joint and one-way throttle valve, the cross-sectional shape of cushion block is ellipse
Shape and upper and lower ends are in flat, and major semiaxis length is less than the internal diameter of fuel feed hole and is more than throttle bore diameter, and semi-minor axis is long
Degree is less than throttle bore diameter.
Further, solenoid electric valve connect valve block screw-thread fit with oil cylinder, between one-way throttle valve and oil cylinder connection valve block
Gap coordinates.
Further, the one-way throttle valve includes valve body and valve deck, spring is arranged in valve body, being equipped in spring can edge
The spring base that valve deck is adjusted axially, adjustment spring seat adjustable springs pressure amount control choke pressure.
Further, the valve deck of one-way throttle valve and valve seat are tetrafluoride material, make entire one-way throttle valve small volume and less weight.
Compared with prior art, the utility model has the advantage of：
1, one-way throttle valve, solenoid electric valve and oil circuit connector are integrated in oil cylinder and connect three phases of valve block by the utility model
Mutually on vertical mounting surface, the control of oil circuit break-make, oil cylinder pressurize and at the uniform velocity release, tool in oil cylinder operational process can be solved simultaneously
Functional integrated, reliability height and small feature.
2, cushion block is arranged in the utility model between transit joint and one-way throttle valve, and the cross-sectional shape of cushion block is ellipse
Shape and upper and lower ends are in flat, and major semiaxis length is less than the internal diameter of fuel feed hole and is more than throttle bore diameter, and semi-minor axis is long
Degree is less than throttle bore diameter, it is ensured that throttling reliability.
3, the utility model oil cylinder connection valve block uses duralumin material, one-way throttle valve valve deck and valve seat to use tetrafluoro material
Material, keeps entire oil cylinder connection valve block assembly more compact light.
Description of the drawings
Fig. 1 is cylinder system structure chart；
Fig. 2 is the front view of oil cylinder connection valve block assembly in the utility model embodiment；
Fig. 3 is the left view of oil cylinder connection valve block assembly in the utility model embodiment；
Fig. 4 is the vertical view of oil cylinder connection valve block assembly in the utility model embodiment；
Fig. 5 is the structural schematic diagram of one-way throttle valve in the utility model embodiment.
In figure：1-cylinder part, 2-oil cylinder connection valve block assemblies, 3-piston rods, 21-oil cylinders connection valve block, 22-
Transit joint, 24-cushion blocks, 25-one-way throttle valves, 26-solenoid electric valves, 27-oil circuit connectors, 23,28-gaskets 211-
Fuel feed hole, 212-oil-control holes, 213-oil return holes, 214-transit joint holes；251-throttle bores；252-valve bodies；253—
Valve deck；254-springs, 255-spring bases；256-valve seats；261-control valve openings；271-oil circuit nipple orifices；272-connectors
Groove；273-communication ports.
Specific implementation mode
The utility model is described in detail below in conjunction with the drawings and specific embodiments：
Referring to Fig. 2 to Fig. 4, a kind of high reliability buffering throttling oil cylinder connection valve block assembly, including oil cylinder connection valve block 21,
Transit joint 22, one-way throttle valve 25, solenoid electric valve 26 and oil circuit connector 27；The oil cylinder connection valve block 21 is duralumin material
Material, the orthogonal mounting surface of three of them are respectively arranged with fuel feed hole 211, oil-control hole 212 and oil return hole 213, one-way throttle valve
25 are mounted in fuel feed hole 211, and solenoid electric valve 26 is mounted in oil-control hole 212, and oil circuit connector 27 is mounted on oil return hole 213
It is interior, further include the transit joint hole 214 being coaxially disposed with fuel feed hole 211 and the transit joint in transit joint hole 214
22,214 diameter of transit joint hole is more than 211 diameter of fuel feed hole.Wherein fuel feed hole 211 is connected to oil-control hole 212, oil-control hole
212 are connected to oil return hole 213.One-way throttle valve 25 is equipped with throttle bore 251, and solenoid valve 26 is equipped with control valve opening 261, oil
Pipeline connector 27 is equipped with oil circuit nipple orifice 271, and the throttle bore 251 is connected with control valve opening 261, control valve opening 261 and oil
Pipeline connector hole 271 is connected.
The oil circuit connector 27 and the communication port of solenoid electric valve 26 are equipped with joint groove 272, and the communication port 273 is most
Major diameter is less than the width of joint groove 272.
Cushion block 24 is equipped between the transit joint 22 and one-way throttle valve 25, the cross-sectional shape of cushion block 24 is ellipse
And upper and lower ends are in flat, major semiaxis length is less than the internal diameter of fuel feed hole 211 and is more than 251 diameter of throttle bore, short by half
Shaft length is less than 251 diameter of throttle bore.
Referring to Fig. 5, the one-way throttle valve includes valve body 252 and valve deck 253, and spring 254, bullet are arranged in valve body 252
Being equipped in spring 254 can be along the spring base 255 that valve deck 253 is adjusted axially, 255 adjustable springs pressure amount of adjustment spring seat, control section
Flowing pressure.The valve deck 253 and valve seat 256 of one-way throttle valve are tetrafluoride material, make entire one-way throttle valve small volume and less weight.
Operation principle：Referring to Fig. 1, when cylinder system does lifting action, pressure oil enters valve body, electromagnetism from transit joint 22
It is check valve under 26 normally off of control valve, pressure oil enters oil cylinder, work of the piston rod 3 in pressure oil after entering oil circuit connector 27
With lower stretching；Oil pump electrical machinery fuel cut-off, pressure oil pressurize in oil cylinder under the effect of solenoid electric valve 26, piston rod 3 are kept
Extending action；When Oil pump electrical machinery fuel cut-off, solenoid electric valve 26 is opened, and oily in-cylinder pressure oil backs under weight gravity
Oil cylinder connects valve block 21, and 25 inner spool of one-way throttle valve is pushed to be moved to the left, and blocks a part for throttle bore 251, limitation pressure
Power oil oil return speed, piston rod 3 are in slow contraction state.
Claims (9)
1. a kind of high reliability buffering throttling oil cylinder connection valve block assembly, it is characterised in that：Including oil cylinder connection valve block (21), mistake
Cross connector (22), one-way throttle valve (25), solenoid electric valve (26) and oil circuit connector (27)；The oil cylinder connects valve block (21) three
A orthogonal mounting surface is respectively arranged with fuel feed hole (211), oil-control hole (212) and oil return hole (213), one-way throttle valve
(25) it is mounted in fuel feed hole (211), solenoid electric valve (26) is mounted in oil-control hole (212), and oil circuit connector (27) is mounted on
In oil return hole (213), wherein fuel feed hole (211) is connected to oil-control hole (212), and oil-control hole (212) are connected to oil return hole (213).
2. high reliability buffering throttling oil cylinder connection valve block assembly according to claim 1, it is characterised in that：One-way throttle
Valve (25) is equipped with throttle bore (251), and solenoid electric valve (26) is equipped with control valve opening (261), and oil circuit connector is set on (27)
There are oil circuit nipple orifice (271), the throttle bore (251) to be connected with control valve opening (261), control valve opening (261) connects with oil circuit
Head bore (271) is connected.
3. high reliability buffering throttling oil cylinder connection valve block assembly according to claim 1 or 2, it is characterised in that：Also wrap
It includes and the transit joint hole (214) of fuel feed hole (211) coaxial arrangement and the transit joint (22) in transit joint hole, institute
It states transit joint hole (214) diameter and is more than fuel feed hole (211) diameter.
4. high reliability buffering throttling oil cylinder connection valve block assembly according to claim 3, it is characterised in that：The oil circuit
Connector (27) and the communication port (273) of solenoid electric valve (26) are equipped with joint groove (272), the maximum of the communication port (273)
Diameter is less than the width of joint groove (272).
5. high reliability buffering throttling oil cylinder connection valve block assembly according to claim 4, it is characterised in that：The transition
Cushion block (24) is equipped between connector (22) and one-way throttle valve (25), the cross-sectional shape of cushion block (24) is ellipse and upper and lower two
End is in flat, and major semiaxis length is less than the internal diameter of transit joint hole (214) and is more than fuel feed hole (211) diameter, semi-minor axis
Length is less than fuel feed hole (211) diameter.
6. high reliability buffering throttling oil cylinder connection valve block assembly according to claim 5, it is characterised in that：Electromagnetic Control
Valve (26) connect valve block (21) screw-thread fit with oil cylinder, and one-way throttle valve (25) connect valve block (21) clearance fit with oil cylinder.
7. high reliability buffering throttling oil cylinder connection valve block assembly according to claim 6, it is characterised in that：It is described unidirectional
Throttle valve (25) includes valve body (252), valve deck (253) and valve seat (256), and spring (254), spring are arranged in valve body (252)
(254) being equipped in can be along the spring base (255) that valve deck (253) are adjusted axially.
8. high reliability buffering throttling oil cylinder connection valve block assembly according to claim 7, it is characterised in that：One-way throttle
The valve deck (253) and valve seat (256) of valve are tetrafluoride material.
9. high reliability buffering throttling oil cylinder connection valve block assembly according to claim 8, it is characterised in that：The oil cylinder
It is duralumin material to connect valve block (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721664092.9U CN207715456U (en) | 2017-12-04 | 2017-12-04 | A kind of high reliability buffering throttling oil cylinder connection valve block assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721664092.9U CN207715456U (en) | 2017-12-04 | 2017-12-04 | A kind of high reliability buffering throttling oil cylinder connection valve block assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715456U true CN207715456U (en) | 2018-08-10 |
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ID=63059483
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721664092.9U Active CN207715456U (en) | 2017-12-04 | 2017-12-04 | A kind of high reliability buffering throttling oil cylinder connection valve block assembly |
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| CN (1) | CN207715456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035925A (en) * | 2017-12-04 | 2018-05-15 | 陕西航天动力高科技股份有限公司 | A kind of high reliability buffering throttling oil cylinder connection valve block assembly |
-
2017
- 2017-12-04 CN CN201721664092.9U patent/CN207715456U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035925A (en) * | 2017-12-04 | 2018-05-15 | 陕西航天动力高科技股份有限公司 | A kind of high reliability buffering throttling oil cylinder connection valve block assembly |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190903 Address after: 710100 Fourth Floor of Metering Building 271 Aerospace West Road, Xi'an National Civil Aerospace Industry Base, Shaanxi Province Patentee after: XI'AN HANGLI TECHNOLOGY CO., LTD. Address before: 710077 No. 78 Jinye Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: Shanxi Aero-Space Power Hi-Tech Co., Ltd. |