CN219673374U

CN219673374U - Pneumatic control hydraulic reversing valve

Info

Publication number: CN219673374U
Application number: CN202321167800.3U
Authority: CN
Inventors: 陈秀红; 孟晓斌
Original assignee: Tangshan Xunlei Technology Co ltd
Current assignee: Tangshan Xunlei Technology Co ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-09-12
Anticipated expiration: 2033-05-16

Abstract

The utility model relates to the technical field of hydraulic reversing valves, and provides a pneumatic control hydraulic reversing valve which comprises a reversing valve body, a water inlet pipe, a first water outlet pipe, a second water outlet pipe and a cylinder; the left side of the inner surface of the reversing valve body is fixedly provided with a buffer spring, the left side of the buffer spring is fixedly provided with a first blocking column, the left side of the first blocking column is connected with a second blocking column through a connecting rod, and the left end of the reversing valve body is provided with a cylinder in a penetrating manner; when the pressing plate extrudes the hook, the left side surface of the hook is inclined by 45 degrees to the lower right, so that the hook can rotate along the pin shaft, the torsion spring is in a torsion state until the pressing plate is positioned on the right side of the left end of the hook, and the hook can be automatically hooked on the pressing plate under the action of the elastic force of the torsion spring, thereby achieving the effect of positioning the pressing plate and being convenient to operate; when the reversing valve is required to be released, the rotating handle is rotated to drive the hook to rotate, and the hook cannot be hooked on the pressing plate, so that the reversing releasing effect is achieved.

Description

Pneumatic control hydraulic reversing valve

Technical Field

The utility model relates to the technical field of hydraulic reversing valves, in particular to a pneumatic control hydraulic reversing valve.

Background

The hydraulic reversing valve is divided into the following paths according to the number of the paths held by the reversing valve: two-way, three-way, four-way, five-way and the like, and the absolute movement of the valve core wrong valve body is applied to ensure that the oil way is communicated, closed or the direction of oil flow is changed, so that the bearing movement, the ending movement or the movement direction of the hydraulic fulfilling element and the driving mechanism thereof are changed;

the hydraulic reversing valve comprises an electromagnetic driving type and an air pressure driving type, the traditional air pressure driving type hydraulic reversing valve is also divided into an electric type and a manual type, the manual type hydraulic reversing valve is usually used in special occasions, such as a coal mine for preventing gas explosion, the manual type hydraulic reversing valve is usually required to be used in an air cylinder, a piston plate in the air cylinder is manually pushed to pressurize air in the air cylinder so as to achieve the reversing effect of the hydraulic reversing valve, the manual type hydraulic reversing valve in the prior art is inconvenient to position the piston plate in the air cylinder, when the air in the air cylinder is reduced, the air pressure in the air cylinder cannot be guaranteed to reach the air pressure required by reversing, and an air supplementing device is not arranged on the air cylinder to influence the use, so that the pneumatic control hydraulic reversing valve is designed to solve the problems.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a pneumatic control hydraulic reversing valve.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a pneumatic control hydraulic reversing valve comprises a reversing valve body, a water inlet pipe, a first water outlet pipe, a second water outlet pipe and a cylinder;

the left side of the inner surface of the reversing valve body is fixedly provided with a buffer spring, the left side of the buffer spring is fixedly provided with a first blocking column, the left side of the first blocking column is connected with a second blocking column through a connecting rod, the left end of the reversing valve body is provided with a cylinder in a penetrating manner, the inner side of the cylinder is hermetically connected with a piston plate, the left center of the piston plate is fixedly provided with a piston rod, the left end of the piston rod is fixedly provided with a pressing plate, and the left side of the upper surface of the cylinder is fixedly provided with a positioning assembly;

the positioning assembly comprises a concave block, a pin shaft, a hook, a rotating handle, a fixing disc and a torsion spring, wherein the hook is arranged on the inner side of the concave block through rotation of the pin shaft, the rotating handle is fixedly arranged at the outer end of the pin shaft, the fixing disc is fixedly arranged at the inner end of the pin shaft, and the torsion spring is fixedly arranged between the fixing disc and the concave block.

Preferably, when the buffer spring is in a natural extension state, the first blocking column blocks the second water outlet pipe, and the second blocking column and the first water outlet pipe are staggered.

Preferably, when the torsion spring is in a natural extension state, the upper surface of the hook is horizontal.

Preferably, the left side surface of the hook is inclined at 45 degrees towards the lower right.

Preferably, the upper surface right side of cylinder runs through and is provided with the subassembly of aerifing, the subassembly of aerifing is including intake pipe, rubber ring, runs through pole, pressure disk, cup joint spring and rubber disc, the inboard surface top of intake pipe is fixed and is provided with the rubber ring, the upper surface central authorities of cylinder run through and are provided with the pole of running through, the top of running through the pole is fixed and is provided with the pressure disk, fixedly be provided with cup joint spring between the upper surface of pressure disk and intake pipe, the bottom of running through the pole is fixed and is provided with the rubber disc.

Preferably, the penetrating rod penetrates through the central through hole of the rubber ring, the rubber disc is positioned at the bottom of the rubber ring, and the sleeve spring is in a compressed state.

Preferably, the rubber disc is in a truncated cone shape with a small upper diameter and a large lower diameter, and a funnel-shaped groove matched with the rubber disc is embedded in the bottom of the rubber ring.

The beneficial effects are that:

1. through being provided with the first blocking column and the second blocking column, under the condition of no external air pressure, the buffer spring is in a natural extension state, at the moment, the first blocking column blocks the second water outlet pipe, the second blocking column and the first water outlet pipe are staggered, so that gas or liquid can flow out of the first water outlet pipe after entering from the water inlet pipe, and when the external air pressure pushes the first blocking column and the second blocking column to move to the right, the buffer spring is in a compression state, at the moment, the second blocking column blocks the first water outlet pipe, and the first blocking column and the second water outlet pipe are staggered, so that the reversing effect is achieved;

2. through being provided with locating component, when needing the switching-over, through pushing the clamp plate in the left side, the piston rod drives the piston board and moves to the right side for the atmospheric pressure on cylinder right side increases, the atmospheric pressure in the cylinder promotes the second baffle post to move to the right side, in order to reach the effect of switching-over valve switching-over, and when the clamp plate extrudeed the couple, because the left side surface of couple presents to the lower right side slope 45 setting, make the couple can rotate along the round pin axle, torsion spring is in torsion state, until the clamp plate is in the right side of couple left end, under torsion spring elastic force, the couple can be automatic colluded on the clamp plate, reach the effect of fixing a position the clamp plate, convenient operation; when the reversing valve is required to be released, the rotating handle is rotated to drive the hook to rotate, and the hook cannot be hooked on the pressing plate, so that the reversing releasing effect is achieved.

3. Through being provided with the subassembly that aerifys, when the gas in the cylinder is not enough in the use, through down extrusion pressure disk, the pressure disk drives the rubber dish through running through the pole and moves down, the rubber dish can not contact the rubber ring, outside gas passes the rubber ring from the gap department that runs through pipe and intake pipe, enter into in the cylinder, air supplementing to the cylinder, after unclamping the pressure disk, under the effect of cup jointing spring elasticity, the rubber dish is hugged closely in the bottom of rubber ring, prevent the gaseous outflow in the cylinder, and the rubber dish is the big round platform form of the little below diameter of top diameter, and the bottom embedding of rubber ring is provided with the funnel-shaped groove with rubber dish assorted for the area of contact when rubber dish contacts the rubber ring is bigger, increase the gas tightness between rubber dish and the rubber ring, prevent the gas leakage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of the whole structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the whole structure of the present utility model;

FIG. 3 is a schematic perspective view of a positioning assembly according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 5 is a schematic view showing the internal structure of the air inlet pipe of the present utility model;

FIG. 6 is a schematic view showing the disassembled structure of the rubber ring and the rubber disk of the present utility model.

Legend description: 1. a reversing valve body; 101. a buffer spring; 102. a first blocking column; 103. a connecting rod; 104. a second blocking column; 2. a water inlet pipe; 3. a first water outlet pipe; 4. a second water outlet pipe; 5. a cylinder; 6. a piston plate; 7. a piston rod; 8. a pressing plate; 9. a concave block; 901. a pin shaft; 902. a hook; 903. a rotating handle; 904. a fixed plate; 905. a torsion spring; 10. an air inlet pipe; 1001. a rubber ring; 1002. a penetrating rod; 1003. a pressure plate; 1004. sleeving a spring; 1005. a rubber plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

Embodiment one:

referring to fig. 1 to 3, a pneumatic control hydraulic directional control valve comprises a directional control valve body 1, a water inlet pipe 2, a first water outlet pipe 3, a second water outlet pipe 4 and a cylinder 5;

the left side of the inner surface of the reversing valve body 1 is fixedly provided with a buffer spring 101, the left side of the buffer spring 101 is fixedly provided with a first blocking column 102, the left side of the first blocking column 102 is connected with a second blocking column 104 through a connecting rod 103, the left end of the reversing valve body 1 is provided with a cylinder 5 in a penetrating manner, the inner side of the cylinder 5 is connected with a piston plate 6 in an airtight manner, the left side center of the piston plate 6 is fixedly provided with a piston rod 7, the left end of the piston rod 7 is fixedly provided with a pressing plate 8, and the left side of the upper surface of the cylinder 5 is fixedly provided with a positioning assembly;

the positioning assembly comprises a concave block 9, a pin shaft 901, a hook 902, a rotating handle 903, a fixed disc 904 and a torsion spring 905, wherein the hook 902 is rotatably arranged on the inner side of the concave block 9 through the pin shaft 901, the rotating handle 903 is fixedly arranged at the outer end of the pin shaft 901, the fixed disc 904 is fixedly arranged at the inner end of the pin shaft 901, and the torsion spring 905 is fixedly arranged between the fixed disc 904 and the concave block 9.

When the buffer spring 101 is in a natural extension state, the first blocking column 102 blocks the second water outlet pipe 4, and the second blocking column 104 and the first water outlet pipe 3 are staggered, so that the reversing effect of the reversing valve is achieved.

When the torsion spring 905 is in a natural extension state, the upper surface of the hook 902 is horizontal, so that the hook 902 is conveniently hooked on the pressing plate 8.

The left side surface of the hook 902 is inclined to the lower right by 45 degrees, so that the hook 902 is conveniently extruded by the pressing plate 8, and the hook 902 is hooked on the pressing plate 8, so that the pressing plate 8 is positioned.

By arranging the first blocking column 102 and the second blocking column 104, under the condition of no external air pressure, the buffer spring 101 is in a natural extension state, at the moment, the first blocking column 102 blocks the second water outlet pipe 4, the second blocking column 104 and the first water outlet pipe 3 are staggered, so that air or liquid flows out of the first water outlet pipe 3 after entering from the water inlet pipe 2, and when the first blocking column 102 and the second blocking column 104 are pushed to move to the right by external air pressure, the buffer spring 101 is in a compression state, at the moment, the second blocking column 104 blocks the first water outlet pipe 3, and the first blocking column 102 and the second water outlet pipe 4 are staggered, so that the reversing effect is achieved;

through being provided with the locating component, when needing the switching-over, through pushing the movable platen 8 to the left, piston rod 7 drives piston plate 6 to move to the right, make the atmospheric pressure on the right side of cylinder 5 increase, the atmospheric pressure in cylinder 5 promotes the second and blocks post 104 to move to the right, in order to reach the effect that the switching-over valve commutates, and when the clamp plate 8 extrudes couple 902, because the left side surface of couple 902 presents to the lower right side slope 45 degrees setting, make couple 902 can rotate along round pin axle 901, torsion spring 905 is in the torsion state, until clamp plate 8 is in the right side of couple 902 left end, under the effect of torsion spring elasticity, couple 902 can be automatically hooked on clamp plate 8, reach the effect that carries out the location to clamp plate 8, convenient operation; when the reversing valve is required to be released, the rotating handle 903 is rotated, the rotating handle 903 drives the hook 902 to rotate, and the hook 902 cannot be hooked on the pressing plate 8, so that the reversing releasing effect is achieved.

Embodiment two:

referring to fig. 1 to 6, one difference from the embodiment is that:

wherein, the upper surface right side of cylinder 5 runs through and is provided with the subassembly of aerifing, the subassembly of aerifing is including intake pipe 10, rubber ring 1001, run through pole 1002, pressure disk 1003, cup joint spring 1004 and rubber disk 1005, the inboard surface top of intake pipe 10 is fixed to be provided with rubber ring 1001, the upper surface central authorities of cylinder 5 run through and are provided with and run through pole 1002, the top of running through pole 1002 is fixed to be provided with pressure disk 1003, fixedly be provided with cup joint spring 1004 between the upper surface of pressure disk 1003 and intake pipe 10, the bottom of running through pole 1002 is fixed to be provided with rubber disk 1005.

Wherein, run through the pole 1002 and run through in the central through hole of rubber ring 1001, rubber dish 1005 is in the bottom of rubber ring 1001, and cup joints spring 1004 and be in compressed state, makes things convenient for rubber dish 1005 to block the central through hole of rubber ring 1001.

Wherein, rubber dish 1005 is the round platform form that the diameter is little below is big, and rubber ring 1001's bottom embedding is provided with the funnel form groove with rubber dish 1005 assorted, increases rubber dish 1005 and rubber ring 1001's area of contact, increases the gas tightness.

Through being provided with the subassembly that aerifys, when the gas in the cylinder 5 is not enough in the use, through pressing down the pressure disk 1003, the pressure disk 1003 drives rubber disk 1005 through running through pole 1002 and moves down, rubber disk 1005 can not contact rubber ring 1001, outside gas passes rubber ring 1001 from running through the gap department of pipe and intake pipe 10, enter into in the cylinder 5, carry out the air filling to the cylinder 5, loosen behind the pressure disk 1003, under the effect of cup jointing spring 1004 elasticity, rubber disk 1005 hugs closely in the bottom of rubber ring 1001, prevent the gaseous outflow in the cylinder 5, and rubber disk 1005 is the round platform form that the diameter below is big, and the bottom embedding of rubber ring 1001 is provided with the funnel-shaped groove with rubber disk 1005 assorted, the area of contact when making rubber disk 1005 contact rubber ring 1001 is bigger, increase the gas tightness between rubber disk 1005 and the rubber ring 1001, prevent the gas leakage.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims

1. A pneumatic control hydraulic reversing valve, which is characterized in that; comprises a reversing valve body (1), a water inlet pipe (2), a first water outlet pipe (3), a second water outlet pipe (4) and a cylinder (5);

the reversing valve comprises a reversing valve body (1), wherein a buffer spring (101) is fixedly arranged on the left side of the inner surface of the reversing valve body (1), a first blocking column (102) is fixedly arranged on the left side of the buffer spring (101), a second blocking column (104) is connected to the left side of the first blocking column (102) through a connecting rod (103), an air cylinder (5) is arranged at the left end of the reversing valve body (1) in a penetrating mode, a piston plate (6) is connected to the inner side of the air cylinder (5) in an airtight mode, a piston rod (7) is fixedly arranged in the center of the left side of the piston plate (6), a pressing plate (8) is fixedly arranged at the left end of the piston rod (7), and a positioning assembly is fixedly arranged on the left side of the upper surface of the air cylinder (5);

the positioning assembly comprises a concave block (9), a pin shaft (901), a hook (902), a rotating handle (903), a fixing disc (904) and a torsion spring (905), wherein the hook (902) is rotatably arranged on the inner side of the concave block (9) through the pin shaft (901), the rotating handle (903) is fixedly arranged at the outer end of the pin shaft (901), the fixing disc (904) is fixedly arranged at the inner end of the pin shaft (901), and the torsion spring (905) is fixedly arranged between the fixing disc (904) and the concave block (9).

2. The pneumatically controlled hydraulic reversing valve of claim 1, wherein: when the buffer spring (101) is in a natural extension state, the first blocking column (102) blocks the second water outlet pipe (4), and the second blocking column (104) and the first water outlet pipe (3) are staggered.

3. The pneumatically controlled hydraulic reversing valve of claim 1, wherein: when the torsion spring (905) is in a natural extension state, the upper surface of the hook (902) is horizontal.

4. A pneumatically controlled hydraulic reversing valve according to claim 3, characterized in that: the left side surface of the hook (902) is inclined at 45 degrees towards the lower right.

5. The pneumatically controlled hydraulic reversing valve of claim 1, wherein: the upper surface right side of cylinder (5) is run through and is provided with the subassembly of aerifing, it is including intake pipe (10), rubber ring (1001), run through pole (1002), pressure disk (1003), cup joint spring (1004) and rubber dish (1005) to aerify the subassembly, the inboard surface top of intake pipe (10) is fixed to be provided with rubber ring (1001), the upper surface central authorities of cylinder (5) run through and are provided with and run through pole (1002), the fixed pressure disk (1003) that are provided with in top of running through pole (1002), fixedly be provided with cup joint spring (1004) between the upper surface of pressure disk (1003) and intake pipe (10), the fixed rubber dish (1005) that is provided with in bottom of running through pole (1002).

6. The pneumatically controlled hydraulic reversing valve of claim 5, wherein: the penetrating rod (1002) penetrates through the central through hole of the rubber ring (1001), the rubber disc (1005) is positioned at the bottom of the rubber ring (1001), and the sleeving spring (1004) is in a compressed state.

7. The pneumatically controlled hydraulic reversing valve of claim 6, wherein: the rubber disc (1005) is in a truncated cone shape with a small upper diameter and a large lower diameter, and a funnel-shaped groove matched with the rubber disc (1005) is embedded into the bottom of the rubber ring (1001).