CN117553149A - Hydraulic control one-way valve with flow regulating function - Google Patents

Hydraulic control one-way valve with flow regulating function Download PDF

Info

Publication number
CN117553149A
CN117553149A CN202311832626.4A CN202311832626A CN117553149A CN 117553149 A CN117553149 A CN 117553149A CN 202311832626 A CN202311832626 A CN 202311832626A CN 117553149 A CN117553149 A CN 117553149A
Authority
CN
China
Prior art keywords
valve
support column
sleeve
valve body
inflow port
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.)
Pending
Application number
CN202311832626.4A
Other languages
Chinese (zh)
Inventor
李琦
成尚春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Jicheng Hydraulic Machinery Co ltd
Original Assignee
Guangdong Jicheng Hydraulic Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Jicheng Hydraulic Machinery Co ltd filed Critical Guangdong Jicheng Hydraulic Machinery Co ltd
Priority to CN202311832626.4A priority Critical patent/CN117553149A/en
Publication of CN117553149A publication Critical patent/CN117553149A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F16K1/38—Valve members of conical shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)

Abstract

The invention relates to a hydraulic control one-way valve with a flow regulation function, which comprises a valve body and a valve sleeve, wherein the valve body is provided with a first inflow port and a second inflow port, the valve sleeve is arranged in the valve body, a valve core movably connected with the valve sleeve is arranged in the valve sleeve, an adjusting support column is arranged at the position of the valve body corresponding to the left side of the valve sleeve, the adjusting support column is connected with an adjusting mechanism, and moves towards left or right along the axial direction through the adjusting mechanism.

Description

Hydraulic control one-way valve with flow regulating function
Technical Field
The invention relates to the technical field of one-way valves, in particular to a hydraulic control one-way valve with a flow regulating function.
Background
In the prior art, the pilot operated check valve generally only has the effect of realizing unidirectional flow of liquid, the pilot operated check valve cannot independently realize control of liquid flow, if the liquid flow flowing through the pilot operated check valve needs to be controlled, an additional series throttle valve is needed to be connected with the pilot operated check valve, as the pilot operated check valve and the throttle valve are two independent valve bodies, although the functions of flow regulation and unidirectional flow of liquid can be obtained in a series connection mode, the pilot operated check valve and the throttle valve generally need to occupy more, and the cost of the two valves is higher.
Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the hydraulic control one-way valve with the flow regulating function, which has the advantages of simple structure, low cost and no occupation of installation space.
The purpose of the invention is realized in the following way:
the utility model provides a take hydraulically controlled check valve of flow control function, includes valve body and valve pocket, has first inflow mouth and second inflow mouth on the valve body, and the valve pocket sets up in the valve body, is equipped with the case rather than swing joint in the valve pocket, and the valve body corresponds the left position of valve pocket and is equipped with the regulation pillar, and the regulation pillar is connected with adjustment mechanism, adjusts the pillar and moves left or right along axial through adjustment mechanism.
When the valve body moves to the left in the axial direction and abuts against the regulating strut, the first inlet and the second inlet are communicated, and the regulating strut moves to the left or right to increase or decrease the flow rate of the communication between the first inlet and the second inlet.
When the valve core moves to the right in the axial direction and abuts against the right side of the valve sleeve, the first inflow port and the second inflow port are blocked.
As a specific scheme, the adjusting support is connected with an adjusting screw, the left section of the adjusting screw extends outwards to the outer side of the valve body, the valve body is fixedly connected with a front end cover, and the front end cover is connected with the adjusting screw through a threaded structure.
As a specific scheme, the front end cover is provided with a limit groove corresponding to the adjusting support column, and when the adjusting support column is abutted with the limit groove, the adjusting support column stops moving leftwards along the axial direction.
As a specific scheme, a guide sleeve is arranged between the outer side wall of the adjusting support column and the valve body, and the adjusting support column is in sliding fit with the guide sleeve.
As a specific scheme, the section of the guide sleeve is H-shaped, and an outer sealing ring and an inner sealing ring which are tightly matched with the valve body and the adjusting support column are respectively arranged on the inner side and the outer side of the guide sleeve.
As a specific scheme, a first reset spring is arranged between the adjusting support column and the valve core, a spring cavity is arranged on the inner side of the valve core, and the first reset spring at least partially stretches into the spring cavity.
As a specific scheme, the right side of the valve sleeve is provided with a limiting step, the right side of the valve core is provided with a conical cylindrical surface which is obliquely arranged from left to right to the inner side, and when the valve core moves towards the right along the axial direction, the conical cylindrical surface is abutted with the limiting step to enable the first inflow port and the second inflow port to be cut off.
As a specific scheme, as a specific scheme, an oil guide cavity and an oil guide port communicated with the oil guide cavity are arranged in the valve body, a piston sleeve is arranged in the oil guide cavity, the piston sleeve is connected with a piston rod, the valve core can move leftwards through oil pressure of a first inflow port or pushing of the piston rod, and liquid enters the oil guide cavity through the oil guide port and can push the piston sleeve to move leftwards, so that the piston rod moves leftwards and pushes the valve core to move leftwards.
As a specific scheme, a piston sealing ring is arranged between the piston sleeve and the valve body, and the piston sealing ring is respectively and tightly connected with the piston sleeve and the valve body.
As a specific scheme, the inside of piston cover is equipped with the connecting chamber, and the right side and the connecting chamber butt of piston rod are equipped with the turned-out edge in the outside of piston rod, are equipped with the second reset spring between turned-out edge and the left side of oil guide chamber, and second reset spring and turned-out edge stretch into the connecting intracavity.
The beneficial effects of the invention are as follows:
through setting up adjustable and case relative position's regulation pillar, make the case can form different flows when switching on first inflow mouth and second inflow mouth, make the hydraulically controlled check valve can have flow regulation and liquid unidirectional flow function simultaneously, need not extra series connection choke valve, reduce whole occupation space position, reduce material cost.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram illustrating an operation state of an embodiment of the present invention.
Fig. 3 is a second schematic diagram illustrating an operating state according to an embodiment of the present invention.
Fig. 4 is a third schematic diagram illustrating an operating state according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a working state of an embodiment of the present invention.
Fig. 6 is an enlarged view at embodiment a of the present invention.
Fig. 7 is an enlarged view at embodiment B of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1-7, the hydraulic control one-way valve with the flow regulation function comprises a valve body 1 and a valve sleeve 2, wherein the valve body 1 is provided with a first inflow port 11 and a second inflow port 12, the valve sleeve 2 is arranged in the valve body 1, a valve core 3 movably connected with the valve sleeve 2 is arranged in the valve sleeve 2, an adjusting support column 4 is arranged at the position, corresponding to the left side of the valve sleeve 2, of the valve body 1, the adjusting support column 4 is connected with an adjusting mechanism, the adjusting support column 4 moves leftwards or rightwards along the axial direction through the adjusting mechanism, and by arranging the adjusting support column 4 capable of adjusting the relative position with the valve core 3, different flows can be formed by the valve core 3 when the first inflow port 11 and the second inflow port 12 are conducted, so that the hydraulic control one-way valve can simultaneously have the flow regulation and the liquid one-way flow function, an additional series throttle valve is not needed, the whole occupied space position is reduced, and the material cost is reduced.
When the valve body 3 moves to the left in the axial direction and abuts against the adjustment column 4, the first inlet 11 and the second inlet 12 are communicated, and the adjustment column 4 moves to the left or right to increase or decrease the flow rate at which the first inlet 11 and the second inlet 12 are communicated.
When the valve body 3 moves rightward in the axial direction and abuts against the right side of the valve housing 2, the first inlet 11 and the second inlet 12 are blocked.
When the liquid needs to flow from the first inflow port 11 to the second inflow port 12, the pressure of the liquid can push the valve core 3 to move towards the left along the axial direction until the valve core 3 is abutted against the adjusting support 4, and the position of the adjusting support 4 relative to the valve core 3 can be adjusted by the adjusting mechanism, namely, the conducting flow rates of the first inflow port 11 and the second inflow port 12 can be different at different positions of the adjusting support 4.
Specifically, as shown in fig. 2, the more leftward the position of the regulating strut 4 is, the greater the magnitude of leftward movement of the valve body 3 is, and the greater the flow rate of the liquid flowing from the first inflow port 11 to the second inflow port 12 is.
Similarly, as shown in fig. 3, the more rightward the position of the regulating strut 4, the smaller the magnitude of leftward movement of the valve body 3, and the smaller the flow rate of the liquid flowing from the first inflow port 11 to the second inflow port 12.
Preferably, the valve body 1 is formed by machining from a metallic material.
Further, the adjusting support column 4 is connected with an adjusting screw 5, and the left section of the adjusting screw 5 extends out of the outer side of the valve body 1, so that a user can conveniently control the position of the adjusting support column 4 outside.
The valve body 1 is fixedly connected with the front end cover 13, the front end cover 13 is connected and matched with the adjusting screw 5 through a threaded structure, and a user can drive the adjusting support 4 to move leftwards or rightwards by rotating the adjusting screw 5 forwards or reversely.
Further, the front end cover 13 is provided with a limit groove 131 corresponding to the adjusting pillar 4, and when the adjusting pillar 4 abuts against the limit groove 131, the adjusting pillar 4 stops moving leftwards in the axial direction, so that the effect of limiting the leftward movement range of the adjusting pillar 4 can be achieved.
Further, a guide sleeve 6 is arranged between the outer side wall of the adjusting support column 4 and the valve body 1, the adjusting support column 4 is in sliding fit with the guide sleeve 6, and the guide sleeve 6 can improve stability of the adjusting support column 4 during movement.
Further, the cross section of uide bushing 6 is H shape, and when adjusting pillar 4 and uide bushing 6 take place relative motion, uide bushing 6 self can have certain deformation, makes it can be all the time with adjusting pillar 4 close fit, further improves the stability when adjusting pillar 4 motion.
The inner and outer sides of the guide sleeve 6 are respectively provided with an outer sealing ring 61 and an inner sealing ring 62 which are tightly matched with the valve body 1 and the adjusting support column 4, so that the chance of liquid leakage is reduced.
Further, a first return spring 71 is arranged between the adjusting support column 4 and the valve core 3, and the first return spring 71 can enable the valve core 3 to be tightly matched with the right side of the valve sleeve 2 in a normal state, so that accidental leakage between the first inflow port 11 and the second inflow port 12 is avoided.
The inner side of the valve core 3 is provided with a spring cavity 31, the first return spring 71 at least partially stretches into the spring cavity 31, the spring cavity 31 can improve the stability of deformation of the first return spring 71, and the first return spring 71 is prevented from deflecting in the deformation process.
Further, a limit step 21 is provided on the right side of the valve housing 2, a tapered surface 32 is provided on the right side of the valve core 3 so as to be inclined from left to right to inside, and when the valve core 3 moves in the axial direction to the right, the tapered surface 32 abuts against the limit step 21 to cut off the first inlet 11 from the second inlet 12.
Further, an oil guiding cavity 14 and an oil guiding port 15 communicated with the oil guiding cavity 14 are arranged in the valve body 1, a piston sleeve 8 is arranged in the oil guiding cavity 14, the piston sleeve 8 is connected with a piston rod 9, the valve core 3 can move leftwards through oil pressure of the first inflow port 11 or pushing of the piston rod 9, liquid enters the oil guiding cavity 14 through the oil guiding port 15 and can push the piston sleeve 8 to move leftwards, so that the piston rod 9 moves leftwards and pushes the valve core 3 to move leftwards, when the liquid needs to enter the first inflow port 11 from the second inflow port 12, hydraulic oil flows into the flow guiding cavity from the oil guiding port 15, so that the piston sleeve 8 drives the piston rod 9 to move leftwards, the valve core 3 moves leftwards under the action of the piston rod 9 to enable the first inflow port 11 and the second inflow port 12 to be conducted, and at the moment, and the liquid in the second inflow port 12 can flow to the first inflow port 11.
Specifically, as shown in fig. 4, the more leftward the position of the regulating strut 4 is, the greater the magnitude of leftward movement of the valve body 3 is, and the greater the flow rate of the liquid flowing from the second inflow port 12 to the first inflow port 11 is.
Similarly, as shown in fig. 5, the more rightward the position of the regulating strut 4, the smaller the magnitude of leftward movement of the valve body 3, and the smaller the flow rate of the liquid flowing from the second inflow port 12 to the first inflow port 11.
Further, a piston sealing ring 81 is arranged between the piston sleeve 8 and the valve body 1, the piston sealing ring 81 is respectively and tightly connected with the piston sleeve 8 and the valve body 1, and oil leakage between the piston sleeve 8 and the valve body 1 is avoided.
Further, a connecting cavity 82 is arranged on the inner side of the piston sleeve 8, the right side of the piston rod 9 is abutted to the connecting cavity 82, an outward flange 91 is arranged on the outer side of the piston rod 9, a second return spring 72 is arranged between the outward flange 91 and the left side of the oil guiding cavity 14, and after hydraulic oil flows out of the oil guiding cavity 14 from the oil guiding port 15, the second return spring 72 can sequentially push the outward flange 91 and the piston sleeve 8 to move rightwards, so that the piston rod 9 is separated from the valve core 3.
The second return spring 72 and the outward flange 91 extend into the connecting cavity 82, so that the deformation stability of the second return spring 72 can be improved, and the second return spring 72 is prevented from being deviated in the deformation process.
The above examples are only preferred embodiments of the invention, and other embodiments of the invention are possible. Equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the invention, and these equivalent modifications or substitutions are intended to be included within the scope of the present claims.

Claims (10)

1. The hydraulic control one-way valve with the flow regulation function is characterized by comprising a valve body (1) and a valve sleeve (2), wherein the valve body (1) is provided with a first inflow port (11) and a second inflow port (12), the valve sleeve (2) is arranged in the valve body (1), a valve core (3) movably connected with the valve sleeve is arranged in the valve sleeve (2), an adjusting support column (4) is arranged at the position, corresponding to the left side of the valve sleeve (2), of the valve body (1), the adjusting support column (4) is connected with an adjusting mechanism, and the adjusting support column (4) moves leftwards or rightwards along the axial direction through the adjusting mechanism;
when the valve core (3) moves leftwards along the axial direction and is abutted against the regulating support column (4), the first inflow port (11) is communicated with the second inflow port (12), and the regulating support column (4) moves leftwards or rightwards so that the flow rate of the communication between the first inflow port (11) and the second inflow port (12) is increased or decreased;
when the valve body (3) moves to the right in the axial direction and abuts against the right side of the valve housing (2), the first inlet (11) and the second inlet (12) are blocked.
2. The hydraulically operated check valve with flow regulating function of claim 1, wherein: the adjusting support column (4) is connected with an adjusting screw (5), the left section of the adjusting screw (5) outwards extends out of the outer side of the valve body (1), the valve body (1) is fixedly connected with a front end cover (13), and the front end cover (13) is connected with the adjusting screw (5) through a threaded structure.
3. The hydraulically operated check valve with flow regulating function according to claim 2, wherein: the front end cover (13) is provided with a limiting groove (131) corresponding to the adjusting support column (4), and when the adjusting support column (4) is abutted to the limiting groove (131), the adjusting support column (4) stops moving leftwards along the axial direction.
4. The hydraulically operated check valve with flow regulating function of claim 1, wherein: a guide sleeve (6) is arranged between the outer side wall of the adjusting support column (4) and the valve body (1), and the adjusting support column (4) is in sliding fit with the guide sleeve (6).
5. The hydraulically operated check valve with flow regulating function of claim 4, wherein: the section of the guide sleeve (6) is H-shaped, and an outer sealing ring (61) and an inner sealing ring (62) which are tightly matched with the valve body (1) and the adjusting support column (4) are respectively arranged on the inner side and the outer side of the guide sleeve (6).
6. The hydraulically operated check valve with flow regulating function of claim 1, wherein: a first reset spring (71) is arranged between the adjusting support column (4) and the valve core (3), a spring cavity (31) is formed in the inner side of the valve core (3), and the first reset spring (71) at least partially stretches into the spring cavity (31).
7. The hydraulically operated check valve with flow regulating function of claim 1, wherein: the right side of valve barrel (2) is equipped with spacing step (21), the right side of case (3) has awl cylindrical surface (32) that incline from left to right inwards direction set up, and when case (3) moved along the axial towards right, awl cylindrical surface (32) and spacing step (21) butt made first inflow port (11) and second inflow port (12) cut off.
8. The hydraulically operated check valve with flow regulating function according to any one of claims 1-7, wherein: be equipped with oil guide chamber (14) and with oil guide mouth (15) of oil guide chamber (14) intercommunication in valve body (1), be equipped with piston sleeve (8) in oil guide chamber (14), piston sleeve (8) are connected with piston rod (9), oil pressure or piston rod (9) the promotion of case (3) accessible first inflow port (11) move left, and liquid gets into oil guide chamber (14) through oil guide mouth (15) can promote piston sleeve (8) and move left, makes piston rod (9) move left and promotes case (3) left movement.
9. The hydraulically operated check valve with flow regulating function of claim 8, wherein: a piston sealing ring (81) is arranged between the piston sleeve (8) and the valve body (1), and the piston sealing ring (81) is respectively and tightly connected with the piston sleeve (8) and the valve body (1).
10. The hydraulically operated check valve with flow regulating function of claim 8, wherein: the inside of piston cover (8) is equipped with connecting chamber (82), the right side and the connecting chamber (82) butt of piston rod (9), the outside of piston rod (9) is equipped with outward flange (91), be equipped with second reset spring (72) between the left side of outward flange (91) and oil guide chamber (14), second reset spring (72) and outward flange (91) stretch into in connecting chamber (82).
CN202311832626.4A 2023-12-27 2023-12-27 Hydraulic control one-way valve with flow regulating function Pending CN117553149A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311832626.4A CN117553149A (en) 2023-12-27 2023-12-27 Hydraulic control one-way valve with flow regulating function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311832626.4A CN117553149A (en) 2023-12-27 2023-12-27 Hydraulic control one-way valve with flow regulating function

Publications (1)

Publication Number Publication Date
CN117553149A true CN117553149A (en) 2024-02-13

Family

ID=89811287

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311832626.4A Pending CN117553149A (en) 2023-12-27 2023-12-27 Hydraulic control one-way valve with flow regulating function

Country Status (1)

Country Link
CN (1) CN117553149A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117780951A (en) * 2024-02-28 2024-03-29 山东省水利科学研究院 Hydraulic control valve for hydraulic engineering

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117780951A (en) * 2024-02-28 2024-03-29 山东省水利科学研究院 Hydraulic control valve for hydraulic engineering
CN117780951B (en) * 2024-02-28 2024-05-03 山东省水利科学研究院 Hydraulic control valve for hydraulic engineering

Similar Documents

Publication Publication Date Title
CN117553149A (en) Hydraulic control one-way valve with flow regulating function
US9038659B2 (en) Relief valve device
KR20030044814A (en) Damping force adjustable hydraulic buffer
WO2018145493A1 (en) Hydraulic plunger pump variable control structure and control method for the same
CN110529445A (en) Hydraulic control one-way valve
CN106090362A (en) A kind of direct-acting overflow valve
CN103016435B (en) Valve for preventing hydraulic motor from reversing
CN110131433B (en) Switching valve capable of increasing response time
CN105626615A (en) Steering feedback type flow amplification valve
CN201363330Y (en) Plate-type one-way speed-regulating valve
EP1961973A1 (en) Actuator control device
CN107956533B (en) Engine with flow regulating valve
JP2000227102A (en) Relief valve
CN109058208A (en) A kind of buffer overflow valve
CN210240165U (en) Hydraulic valve and hydraulic system
CN210686480U (en) Flow control type hoist balance valve
KR20190008375A (en) Valve device
CN208750091U (en) A kind of buffer relief valve
CN111997956A (en) Hydraulic speed regulating valve
CN218493922U (en) Pressure compensating valve
CN111963740A (en) Energy-saving constant flow regulating valve
JP2002303345A (en) Gas spring
CN112377652B (en) Plug-in type split valve port internal flow type high-pressure overflow valve
CN116658632B (en) Angle seat valve
CN105404317B (en) A kind of constant-current type multistage flow regulator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination