CN206329562U - A kind of lifting valve of pressure-adjustable - Google Patents
A kind of lifting valve of pressure-adjustable Download PDFInfo
- Publication number
- CN206329562U CN206329562U CN201620938155.4U CN201620938155U CN206329562U CN 206329562 U CN206329562 U CN 206329562U CN 201620938155 U CN201620938155 U CN 201620938155U CN 206329562 U CN206329562 U CN 206329562U
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- China
- Prior art keywords
- valve body
- pressure
- valve
- oil
- lifting
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Abstract
The utility model discloses a kind of lifting valve of pressure-adjustable, include lifting valve body, pressure regulator valve is provided with the lifting valve body, the pressure regulator valve includes the first valve body and the second valve body, first valve body and the second valve body connection, the first valve body front end is provided with oil through, the oil through is connected with the first valve inner, first valve inner is provided with pressure regulation top cylinder, the front end face of the pressure regulation top cylinder contacts with each other with the first valve body, gap is provided between the pressure regulation top cylinder front end side and the first valve interior wall, pressure regulation top tube rear end side contacts with each other with the first valve body, spout hole is provided with first valve body, the spout hole is connected with gap, pressure spring is provided between the pressure regulation top cylinder and the second valve body;The lifting valve of the pressure-adjustable is safe and pressure regulation is flexible.
Description
Technical field
The utility model is related to a kind of lifting valve of pressure-adjustable.
Background technology
Hydraulic system act as by change pressure increase active force.One complete hydraulic system is by five part groups
Into i.e. dynamical element, executive component, control element, auxiliary element (annex) and hydraulic oil.Hydraulic system can be divided into two classes:Liquid
Press transmission system and hydraulic control system.Hydraulic Power Transmission System with transmit power and motion for major function.Hydraulic control system
Hydraulic system output is then set to meet specific performance requirement (particularly dynamic property), usually said hydraulic system is referred mainly to
Hydraulic Power Transmission System.Britain Joseph Bu Laman in 1795, as working media, is incited somebody to action in London water in the form of hydraulic press
It is applied to industrially, and be born First hydraulic press in the world.Working medium water was changed to oil in 1905, further obtained
Improve.After hydraulic drive extensive use after the World War I, particularly nineteen twenty, develop more rapid.Hydraulic Elements
About between 20 years of 19 early 20th centurys in the end of the century, the regular industrial production stage is just initially entered.Nineteen twenty-five Vickers is invented
Pressure balance type vane pump, is that modern age Hydraulic Elements are industrial or hydraulicdriven progressively set up is laid a good foundation.Early 20th century
Carried out theory and practical study is transmitted to energy hunting in Constantine Nice gram;To hydraulic power, (fluid power joins within 1910
Joint, fluid torque-converter etc.) in terms of contribution, be developed these two aspects field.During World War II, in U.S.
There is 30% to apply hydraulic drive in state's lathe.It is noted that Japan is hydraulicdriven to have developed country's evening such as more American-European nearly 20
For many years.Before and after nineteen fifty-five, Japan develops hydraulic drive rapidly, has set up " hydraulic industry meeting " within 1956.Between nearly 20~30 years,
Japanese hydraulic drive development is fast, occupies first place in the world.
There is the troublesome shortcoming of pressure regulation in existing lifting valve.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of lifting valve of the flexible pressure-adjustable of pressure regulation.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that:
A kind of lifting valve of pressure-adjustable, to include and be provided with pressure regulator valve on lifting valve body, the lifting valve body, described
Pressure regulator valve includes the first valve body and the second valve body, and first valve body and the second valve body are connected, and the first valve body front end is set
Oil through is equipped with, the oil through is connected with the first valve inner, first valve inner is provided with pressure regulation top cylinder, described to adjust
Bear down on one the front end face of cylinder and the first valve body contacts with each other, be provided between the pressure regulation top cylinder front end side and the first valve interior wall
Gap, pressure regulation top tube rear end side is contacted with each other with the first valve body, and spout hole is provided with first valve body, described to overflow
Discharge orifice is connected with gap, and pressure spring is provided between the pressure regulation top cylinder and the second valve body.
Preferably, the oil through is provided with more than one, the pressure regulation efficiency of pressure regulator valve can be improved.
Preferably, the oil through is around 360 ° of the first valve body front end equidistant arrangement, pressure oil can be even into the
One valve inner so that the pressure regulation of pressure regulator valve is more stablized.
Preferably, the spout hole is provided with more than one, the pressure regulation efficiency of pressure regulator valve can be improved.
Preferably, being to be detachably connected between first valve body and the second valve body.
Pressure regulator valve principle:When operating pressure exceedes the pressure of factory setting in hydraulic system, pressure oil can pass through first
The oil through of valve body front end enters the first valve inner, and pressure oil pushes pressure regulation top cylinder open, then is flowed out by spout hole, finally flows
Oil return box, realizes the pressure regulation of hydraulic system.
The beneficial effects of the utility model are:The lifting valve of the pressure-adjustable is by being provided with pressure regulator valve, and the pressure regulator valve can spirit
The pressure oil pressure of regulation lifting valve living, it is safe.In addition, oil through and spout hole are provided with more than one, Ke Yiti
The pressure regulation efficiency of high pressure regulator valve;Oil through is around 360 ° of the first valve body front end equidistant arrangement, and pressure oil can be even into first
Valve inner so that the pressure regulation of pressure regulator valve is more stablized.
Brief description of the drawings
Embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein:
Fig. 1 is a kind of structural representation of the lifting valve of pressure-adjustable of the utility model.
Fig. 2 is the structural representation of the utility model pressure regulator valve.
Embodiment
Embodiment 1
As shown in Figure 1-2, a kind of lifting valve of pressure-adjustable, includes and is set on lifting valve body 1, the lifting valve body 1
Pressure regulator valve 2 is equipped with, the pressure regulator valve 2 includes the first valve body 3 and the second valve body 4, and the valve body 4 of the first valve body 3 and second connects
Connect, the front end of the first valve body 3 is provided with oil through 5, the oil through 5 is connected with the inside of the first valve body 3, first valve body
3 are internally provided with pressure regulation top cylinder 6, and the front end face of the pressure regulation top cylinder 6 contacts with each other with the first valve body 3, before the pressure regulation top cylinder 6
Gap 9,6 rear ends of the pressure regulation top cylinder side and the phase mutual connection of the first valve body 3 are provided between end side surface and the inwall of the first valve body 3
Touch, spout hole 7 is provided with first valve body 3, the spout hole 7 is connected with gap 9, the pressure regulation top cylinder 6 and the second valve
Pressure spring 8 is provided between body 4.
The principle of pressure regulator valve 2:When operating pressure exceedes the pressure of factory setting in hydraulic system, pressure oil can pass through first
The oil through 5 of the front end of valve body 3 enters inside the first valve body 3, and pressure oil pushes pressure regulation top cylinder 6 open, then is flowed out by spout hole 7, most
After flow back to fuel tank, realize the pressure regulation of hydraulic system.
The present embodiment has the beneficial effect that:The lifting valve of the pressure-adjustable is by being provided with pressure regulator valve, and the pressure regulator valve can be flexibly
The pressure oil pressure of lifting valve is adjusted, it is safe.
Embodiment 2
As shown in Figure 1-2, a kind of lifting valve of pressure-adjustable, includes and is set on lifting valve body 1, the lifting valve body 1
Pressure regulator valve 2 is equipped with, the pressure regulator valve 2 includes the first valve body 3 and the second valve body 4, and the valve body 4 of the first valve body 3 and second connects
Connect, the front end of the first valve body 3 is provided with oil through 5, the oil through 5 is connected with the inside of the first valve body 3, first valve body
3 are internally provided with pressure regulation top cylinder 6, and the front end face of the pressure regulation top cylinder 6 contacts with each other with the first valve body 3, before the pressure regulation top cylinder 6
Gap 9,6 rear ends of the pressure regulation top cylinder side and the phase mutual connection of the first valve body 3 are provided between end side surface and the inwall of the first valve body 3
Touch, spout hole 7 is provided with first valve body 3, the spout hole 7 is connected with gap 9, the pressure regulation top cylinder 6 and the second valve
Pressure spring 8 is provided between body 4, the oil through 5 is provided with more than one, can improve the pressure regulation efficiency of pressure regulator valve 2, institute
Oil through 5 is stated around 360 ° of 3 front end of the first valve body equidistant arrangement, pressure oil can be even into the first valve body 3 inside so that adjust
The pressure regulation of pressure valve 2 is more stablized, and the spout hole 7 is provided with more than one, can improve the pressure regulation efficiency of pressure regulator valve 2, described
It is to be detachably connected between first valve body 3 and the second valve body 4.
The principle of pressure regulator valve 2:When operating pressure exceedes the pressure of factory setting in hydraulic system, pressure oil can be by the
The oil through 5 of the front end of one valve body 3 enters inside the first valve body 3, and pressure oil pushes pressure regulation top cylinder 6 open, then is flowed out by spout hole 7,
Fuel tank is finally flowed back to, the pressure regulation of hydraulic system is realized.
The present embodiment has the beneficial effect that:The lifting valve of the pressure-adjustable is by being provided with pressure regulator valve, and the pressure regulator valve can be flexibly
The pressure oil pressure of lifting valve is adjusted, it is safe.In addition, oil through and spout hole are provided with more than one, it can improve
The pressure regulation efficiency of pressure regulator valve;Oil through is around 360 ° of the first valve body front end equidistant arrangement, and pressure oil can be even into the first valve
Internal portion so that the pressure regulation of pressure regulator valve is more stablized.
The above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any change or replacement expected without creative work should all be covered within protection domain of the present utility model.
Claims (5)
1. a kind of lifting valve of pressure-adjustable, it is characterised in that:Include and be provided with tune on lifting valve body, the lifting valve body
Pressure valve, the pressure regulator valve includes the first valve body and the second valve body, the first valve body and the second valve body connection, first valve
Body front end is provided with oil through, and the oil through is connected with the first valve inner, and first valve inner is provided with pressure regulation top
Cylinder, the front end face of the pressure regulation top cylinder contacts with each other with the first valve body, the pressure regulation top cylinder front end side and the first valve interior wall
Between be provided with gap, tube rear end side in the pressure regulation top contacts with each other with the first valve body, is provided with first valve body excessive
Discharge orifice, the spout hole is connected with gap, and pressure spring is provided between the pressure regulation top cylinder and the second valve body.
2. the lifting valve of pressure-adjustable according to claim 1, it is characterised in that:The oil through is provided with more than one.
3. the lifting valve of pressure-adjustable according to claim 2, it is characterised in that:The oil through is around the first valve body front end
360 ° of equidistant arrangements.
4. the lifting valve of pressure-adjustable according to claim 1, it is characterised in that:The spout hole is provided with more than one.
5. the lifting valve of pressure-adjustable according to claim 1, it is characterised in that:Between first valve body and the second valve body
To be detachably connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620938155.4U CN206329562U (en) | 2016-08-25 | 2016-08-25 | A kind of lifting valve of pressure-adjustable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620938155.4U CN206329562U (en) | 2016-08-25 | 2016-08-25 | A kind of lifting valve of pressure-adjustable |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206329562U true CN206329562U (en) | 2017-07-14 |
Family
ID=59285899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620938155.4U Expired - Fee Related CN206329562U (en) | 2016-08-25 | 2016-08-25 | A kind of lifting valve of pressure-adjustable |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206329562U (en) |
-
2016
- 2016-08-25 CN CN201620938155.4U patent/CN206329562U/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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20200825 |