CN216478110U

CN216478110U - Agricultural machinery hydraulic pressure governing valve that leakproofness is good

Info

Publication number: CN216478110U
Application number: CN202123060335.7U
Authority: CN
Inventors: 张青苗; 何峥晖
Original assignee: Jiangsu Wukong Fengxing Technology Co ltd
Current assignee: Jiangsu Wukong Fengxing Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-10
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses an agricultural machinery hydraulic pressure governing valve that leakproofness is good, concretely relates to hydraulic pressure governing valve technical field, the on-line screen storage device comprises a base, the fixed valve body that is equipped with in base top, the inside first water cavity of having seted up of valve body, first water cavity internalization is equipped with the centre of sphere, the round hole has been seted up to the centre of sphere inside, the second water cavity has all been seted up to first water cavity both sides, and fixed inlet tube and the outlet pipe of being equipped with respectively in two second water cavities, the fixed pressure release subassembly that is equipped with in inlet tube top, the fixed screw rod that is equipped with in centre of sphere top. The utility model discloses a rotating the handle and driving the screw rod rotatory in the mounting hole, when the inside round hole of centre of sphere communicates with each other with two second water cavities, hydraulic oil flows from second water cavity and first water cavity, in going out the water pipe flow to other hydraulic equipment, a plurality of rubber pads on the screw rod firmly with the mounting hole inner wall paste, increase the leakproofness between screw rod and the mounting hole, avoid hydraulic oil to spill from the mounting hole, improve the leakproofness of whole device.

Description

Agricultural machinery hydraulic pressure governing valve that leakproofness is good

Technical Field

The utility model relates to a hydraulic pressure governing valve technical field, the more specifically agricultural machinery hydraulic pressure governing valve that the leakproofness is good that says so.

Background

At present, in the crop planting process, the operation is performed manually in the past, along with the development of science and technology, a mechanical automation device is slowly used for performing a series of operations, for example, a farming machine can be used in farming, an automatic fertilizer machine can be used in fertilization, a harvester can be used in harvesting and the like, the existing agricultural machinery can use hydraulic equipment to adjust parts on the machinery when in work, the hydraulic equipment can be provided with a hydraulic adjusting valve when in oil supply, the pressure and the oil quantity of an oil outlet can be adjusted, the hydraulic valve is an automatic element operated by pressure oil, the hydraulic adjusting valve is controlled by the pressure of a pressure distribution valve, and the hydraulic adjusting valve is needed to be used in industrial production.

Current hydraulic pressure governing valve is when using, adjusts the pole and directly rotates in the mounting hole, and long-time back of using, the surface of adjusting the pole and the inner wall surface of mounting hole all can have wearing and tearing, leads to adjusting the leakproofness between pole and the mounting hole and reduces, and hydraulic oil spills from the gap, leads to fuel feeding pressure not enough, influences the use of agricultural machinery.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an agricultural machinery hydraulic pressure governing valve that the leakproofness is good to solve the problem that appears among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an agricultural machinery hydraulic pressure governing valve that leakproofness is good, includes the base, the fixed valve body that is equipped with in base top, the inside first water cavity of having seted up of valve body, first water cavity internalization is equipped with the centre of sphere, the inside round hole of having seted up of centre of sphere, the second water cavity has all been seted up to first water cavity both sides, and two second water intracavity are fixed inlet tube and the outlet pipe of being equipped with respectively, the fixed pressure release subassembly that is equipped with in inlet tube top, the fixed screw rod that is equipped with in centre of sphere top, the mounting hole has been seted up at first water cavity top, the screw rod is established in the mounting hole, screw rod one end is passed through damping bearing and is connected with the mounting hole, screw rod outer wall fixed surface overlaps and is equipped with a plurality of rubber pads, the rubber pad outer wall contacts with the mounting hole inner wall, the screw rod top runs through the valve body and extends to the valve body outside, the fixed handle that is equipped with in screw rod top.

In a preferred embodiment, the pressure release subassembly includes the box, the box is fixed to be established at the inlet tube top, the intercommunicating pore has been seted up between bottom half and the inlet tube top, be equipped with sealed piece in the intercommunicating pore, the fixed spring that is equipped with in sealed piece top, spring top and box inner chamber top fixed connection, the spring can produce reverse effort when receiving the compression, and sealed piece shifts out the back from the intercommunicating pore, can insert in the intercommunicating pore under the drive of spring automatically.

In a preferred embodiment, a pull rod is fixedly arranged at the center of the top of the sealing block, the pull rod is arranged in the spring, the top end of the pull rod penetrates through the box body and extends to the outer side of the box body, and the pull rod can be used for guiding the spring and can directly pull the sealing block to move up and down.

In a preferred embodiment, the outer wall surfaces of the front side and the rear side of the sealing block are both fixedly provided with limiting plates, the inner wall surfaces of the front side and the rear side of the inner cavity of the box body are both provided with limiting grooves, the limiting plates are arranged in the limiting grooves and are in sliding connection with the limiting grooves, the stability of the sealing block during up-and-down movement is improved by the aid of the limiting plates, and the sealing block is prevented from being deviated.

In a preferred embodiment, a hose is fixedly arranged at the rear side of the tank body, and one end of the hose is communicated with the top of the water outlet pipe and is used for conveying hydraulic oil in the tank body into the water outlet pipe.

In a preferred embodiment, the outer walls of the water inlet pipe and the water outlet pipe are respectively sleeved with a flange plate, so that the water inlet pipe and the water outlet pipe are conveniently connected with an external pipeline respectively.

In a preferred embodiment, the base is internally and threadedly connected with a plurality of screws, and the plurality of screws are uniformly distributed on the base, so that the base is connected with an external device more firmly when the base is installed.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a rotating the handle and driving the screw rod rotatory in the mounting hole, when the inside round hole of centre of sphere communicates with each other with two second water cavities, hydraulic oil flows from second water cavity and first water cavity, in going out the water pipe flow to other hydraulic equipment, a plurality of rubber pads on the screw rod firmly with the mounting hole inner wall paste, increase the leakproofness between screw rod and the mounting hole, avoid hydraulic oil to spill from the mounting hole, improve the leakproofness of whole device.

2. Through the setting of box, when the hydraulic oil pressure in the inlet tube is too big, hydraulic oil upwards promotes sealed piece and moves to in the box, partly hydraulic oil flows to in the box through the inlet tube, in hose direct flow goes out the outlet tube again, play the effect of reposition of redundant personnel pressure release, can effectively avoid inlet tube internal pressure too big, when pressure resumes normally gradually, sealed piece moves to in the intercommunication hole again under the promotion of spring, seal the intercommunicating pore, use the reposition of redundant personnel technique, the impact force of hydraulic oil to the centre of sphere greatly reduced, can improve the stability of centre of sphere.

Drawings

Fig. 1 is an overall structure front view of the present invention.

Fig. 2 is a cross-sectional view of the valve body of the present invention.

Fig. 3 is a cross-sectional view of the box body of the present invention.

Fig. 4 is a front view of the center of sphere of the present invention.

Fig. 5 is a sectional view of the limiting groove of the present invention.

The reference signs are: 1. a base; 2. a valve body; 3. a first water chamber; 4. a spherical center; 5. a circular hole; 6. a second water chamber; 7. a water inlet pipe; 8. a water outlet pipe; 9. a screw; 10. mounting holes; 11. a rubber pad; 12. a handle; 13. a box body; 14. a communicating hole; 15. a sealing block; 16. a spring; 17. a pull rod; 18. a limiting plate; 19. a limiting groove; 20. a hose; 21. a flange plate; 22. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to the attached drawings 1-4 of the specification, the agricultural machinery hydraulic pressure regulating valve with good sealing performance of the embodiment comprises a base 1, a valve body 2 is fixedly arranged at the top of the base 1, a first water cavity 3 is formed inside the valve body 2, a sphere center 4 is movably arranged in the first water cavity 3, a round hole 5 is formed inside the sphere center 4, second water cavities 6 are formed in two sides of the first water cavity 3, the sphere center 4 is rotated, the communication area between the round hole 5 and the two second water cavities 6 is adjusted, the communication area can be used for controlling the flow of hydraulic oil, a water inlet pipe 7 and a water outlet pipe 8 are respectively and fixedly arranged in the two second water cavities 6, flanges 21 are respectively sleeved on the outer walls of the water inlet pipe 7 and the water outlet pipe 8, the water inlet pipe 7 and the water outlet pipe 8 are respectively connected with an external pipeline, a pressure relief assembly is fixedly arranged at the top of the water inlet pipe 7, a screw 9 is fixedly arranged at the top of the sphere center 4, the top of the first water cavity 3 is provided with a mounting hole 10, the screw 9 is arranged in the mounting hole 10, one end of the screw rod 9 is connected with the mounting hole 10 through a damping bearing to increase the resistance when the screw rod 9 is rotated, thereby improving the stability of the screw 9 in the mounting hole 10, a plurality of rubber pads 11 are fixedly sleeved on the outer wall surface of the screw 9, the outer wall of the rubber pad 11 is contacted with the inner wall of the mounting hole 10, the rubber pad 11 has elasticity, can be firmly adhered to the inner wall of the mounting hole 10 to improve the sealing performance, the top end of the screw rod 9 penetrates through the valve body 2 and extends to the outer side of the valve body 2, the top of the screw rod 9 is fixedly provided with a handle 12, which is convenient for workers to rotate the screw rod 9 for adjustment, base 1 internal thread is connected with a plurality of screws 22, and a plurality of screws 22 evenly distributed on base 1 makes base 1 be connected more firmly with external device when installation base 1.

The implementation scenario is specifically as follows: when using, the staff links together the hydraulic pressure pipe assembly on this device and the agricultural machinery earlier, hydraulic oil flows to second water cavity 6 in through inlet tube 7, the staff rotates handle 12 as required, handle 12 drives screw rod 9 at mounting hole 10 internal rotation, screw rod 9 drives centre of sphere 4 in 3 internal rotations in first water cavity in rotatory, when 4 inside round hole of centre of sphere 5 communicates with each other with two second water cavities 6, hydraulic oil flows out from second water cavity 6 and first water cavity 3, flow to other hydraulic equipment in through outlet pipe 8, a plurality of rubber pads 11 on the screw rod 9 firmly paste with mounting hole 10 inner wall, increase the leakproofness between screw rod 9 and the mounting hole 10, avoid hydraulic oil to spill from mounting hole 10, improve the leakproofness of whole device.

Referring to the attached

drawings

1, 2, 3 and 5 of the specification, the agricultural machinery hydraulic pressure regulating valve with good sealing performance of the embodiment comprises a box body 13, the box body 13 is fixedly arranged at the top of a water inlet pipe 7, a communication hole 14 is formed between the bottom of the box body 13 and the top of the water inlet pipe 7, a sealing block 15 is arranged in the communication hole 14, a spring 16 is fixedly arranged at the top of the sealing block 15, the top of the spring 16 is fixedly connected with the top of an inner cavity of the box body 13, the spring 16 generates reverse acting force when being compressed, the sealing block 15 can be automatically inserted into the communication hole 14 under the driving of the spring 16 after being moved out of the communication hole 14, a pull rod 17 is fixedly arranged at the center of the top of the sealing block 15, the pull rod 17 is arranged in the spring 16, the top end of the pull rod 17 penetrates through the box body 13 and extends to the outer side of the box body 13, and the pull rod 17 can be used for guiding the spring 16, can directly stimulate sealed piece 15 again and reciprocate, both sides outer wall surface all fixes and is equipped with limiting plate 18 around sealed piece 15, spacing groove 19 has all been seted up to both sides inner wall surface around the box 13 inner chamber, limiting plate 18 establish in spacing groove 19 and with spacing groove 19 sliding connection, use limiting plate 18 to increase sealed piece 15 stability when reciprocating, avoid sealed piece 15 to take place the skew, the fixed hose 20 that is equipped with in box 13 rear side, hose 20 one end is linked together with outlet pipe 8 top for carry the outlet pipe 8 with hydraulic oil in the box 13 in.

The implementation scenario is specifically as follows: when the hydraulic oil in the water inlet pipe 7 is too high in pressure, the hydraulic oil pushes the sealing block 15 upwards to move towards the upper part of the communicating hole 14, so that the sealing block 15 moves into the box body 13 from the communicating hole 14, a part of the hydraulic oil flows into the box body 13 through the water inlet pipe 7 and directly flows into the water outlet pipe 8 through the hose 20 at the rear side of the box body 13, the effect of shunting and relieving pressure is achieved, the pressure in the water inlet pipe 7 can be effectively prevented from being too high, when the pressure gradually recovers to be normal, the sealing block 15 moves into the communicating hole 14 again under the pushing of the spring 16 to seal the communicating hole 14, a worker can judge the change of the pressure by the up-and-down movement of the pull rod 17 and can directly use the pull rod 17 to pull the sealing block 15 to move up and down, the use is very convenient, the box body 13 is used for relieving the pressure, and the impact force of the hydraulic oil on the sphere center 4 is greatly reduced, the stability of the core 4 can be improved.

And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an agricultural machinery hydraulic pressure governing valve that leakproofness is good, includes base (1), its characterized in that: the valve body (2) is fixedly arranged at the top of the base (1), a first water cavity (3) is formed in the valve body (2), a sphere core (4) is movably arranged in the first water cavity (3), a round hole (5) is formed in the sphere core (4), second water cavities (6) are formed in two sides of the first water cavity (3), a water inlet pipe (7) and a water outlet pipe (8) are respectively and fixedly arranged in the two second water cavities (6), a pressure relief assembly is fixedly arranged at the top of the water inlet pipe (7), a screw rod (9) is fixedly arranged at the top of the sphere core (4), a mounting hole (10) is formed in the top of the first water cavity (3), the screw rod (9) is arranged in the mounting hole (10), one end of the screw rod (9) is connected with the mounting hole (10) through a damping bearing, a plurality of rubber pads (11) are fixedly arranged on the surface of the outer wall of the screw rod (9), the outer wall of the rubber pads (11) is contacted with the inner wall of the mounting hole (10), the top end of the screw rod (9) penetrates through the valve body (2) and extends to the outer side of the valve body (2), and a handle (12) is fixedly arranged at the top of the screw rod (9).

2. The agricultural machinery hydraulic pressure regulating valve with good sealing performance as claimed in claim 1, wherein: the pressure relief assembly comprises a box body (13), the box body (13) is fixedly arranged at the top of the water inlet pipe (7), a communicating hole (14) is formed between the bottom of the box body (13) and the top of the water inlet pipe (7), a sealing block (15) is arranged in the communicating hole (14), a spring (16) is fixedly arranged at the top of the sealing block (15), and the top of the spring (16) is fixedly connected with the top of an inner cavity of the box body (13).

3. The agricultural machinery hydraulic pressure regulating valve with good sealing performance as claimed in claim 2, wherein: the sealing block (15) top center department is fixed and is equipped with pull rod (17), pull rod (17) are established in spring (16), box (13) are run through and extend to the box (13) outside in pull rod (17) top.

4. The agricultural machinery hydraulic pressure regulating valve with good sealing performance as claimed in claim 2, wherein: limiting plates (18) are fixedly arranged on the outer wall surfaces of the front side and the rear side of the sealing block (15), limiting grooves (19) are formed in the inner wall surfaces of the front side and the rear side of the inner cavity of the box body (13), and the limiting plates (18) are arranged in the limiting grooves (19) and are in sliding connection with the limiting grooves (19).

5. The agricultural machinery hydraulic pressure regulating valve with good sealing performance as claimed in claim 2, wherein: the rear side of the box body (13) is fixedly provided with a hose (20), and one end of the hose (20) is communicated with the top of the water outlet pipe (8).

6. The agricultural machinery hydraulic pressure regulating valve with good sealing performance as claimed in claim 1, wherein: the outer walls of the water inlet pipe (7) and the water outlet pipe (8) are respectively sleeved with a flange plate (21).

7. The agricultural machinery hydraulic pressure regulating valve with good sealing performance as claimed in claim 1, wherein: the base (1) is internally connected with a plurality of screws (22) in a threaded manner, and the screws (22) are uniformly distributed on the base (1).