CN216044864U

CN216044864U - Wear-resisting hydraulic valve body

Info

Publication number: CN216044864U
Application number: CN202122128456.4U
Authority: CN
Inventors: 徐国章
Original assignee: Yancheng Yunsheng Hydraulic Parts Manufacturing Co ltd
Current assignee: Yancheng Yunsheng Hydraulic Parts Manufacturing Co ltd
Priority date: 2021-09-04
Filing date: 2021-09-04
Publication date: 2022-03-15
Anticipated expiration: 2031-09-04

Abstract

The application discloses wear-resisting hydraulic valve body, the technical field who relates to hydraulic valve body, it piles up the dust with the oil inlet pipe inner wall to improve oil inlet department, hydraulic oil can take these dust particles together to get into hydraulic valve body inside during the use, cause inside movable part and dust particle to produce the friction, including the hydrovalve body, one side of hydrovalve body is connected with oil inlet pipe, the opposite side of hydrovalve body is connected with out oil pipe, oil inlet pipe all is connected with seal assembly with the outside of going out oil pipe, seal assembly's top middle part all is connected with the regulation pole, the bottom of adjusting the pole is provided with screw thread portion and extends to seal assembly's inside, it is connected with the spacing collar with seal assembly's port department to adjust the pole, seal assembly's inside activity is provided with the closing plate, the top of closing plate is provided with the thread bush, thread bush and screw thread portion threaded connection. This application seal assembly is effectual seals taking in hydrovalve body, prevents piling up of dust particle.

Description

Wear-resisting hydraulic valve body

Technical Field

The application relates to the technical field of hydraulic valve bodies, in particular to a wear-resistant hydraulic valve body.

Background

The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of a distribution valve, is usually combined with an electromagnetic distribution valve for use, and can be used for remotely controlling the connection and disconnection of oil, gas and water pipeline systems of hydropower stations. It is commonly used for oil circuits of clamping, controlling, lubricating and the like. The direct-acting type and the pilot type are divided into a multi-purpose pilot type.

Among the prior art hydrovalve body is placed for a long time, and oil inlet department piles up the dust with the oil inlet pipe inner wall, and hydraulic oil can take these dust particles together to get into the hydrovalve body during the use inside, causes inside movable part and dust particle to produce the friction, leads to movable part's wearability to reduce after long-time the use, and life reduces greatly, and later stage maintenance is changed and is caused the expense extravagant.

SUMMERY OF THE UTILITY MODEL

In order to improve among the prior art oil inlet department and advance oil pipe inner wall and pile up the dust, hydraulic oil can take these dust particles together to get into the hydrovalve body inside during the use, cause inside movable part and dust particle to produce the friction, lead to the problem that movable part's wearability reduces after using for a long time, this application provides a wear-resisting hydraulic valve body.

The application provides a wear-resisting hydraulic valve body adopts following technical scheme:

the utility model provides a wear-resisting hydraulic valve body, includes the hydrovalve body, one side of hydrovalve body is connected with into oil pipe way, the opposite side of hydrovalve body is connected with out oil pipe way, it all is connected with seal assembly with out oil pipe way's the outside to advance oil pipe way, seal assembly's top middle part all is connected with the regulation pole, the bottom of adjusting the pole is provided with screw thread portion and extends to seal assembly's inside, the port department of adjusting pole and seal assembly is connected with the spacing collar, seal assembly's inside activity is provided with the closing plate, the top of closing plate is provided with the thread bush, thread bush and screw thread portion threaded connection.

By adopting the technical scheme, the oil inlet is opened by the upward adjustment sealing plate during use, the sealing plate is adjusted downward during storage, and the interior of the hydraulic valve body is completely sealed under the matching of the sealing plate and the sealing rings on the two sides, so that dust particles are prevented from being accumulated.

Optionally, an oil inlet is formed in the outer side, connected with the oil inlet pipeline, of the sealing assembly, an oil outlet is formed in the outer side, connected with the oil outlet pipeline, of the sealing assembly, and an oil outlet is formed in the outer side, connected with the oil inlet pipeline, of the sealing assembly.

By adopting the technical scheme, the oil way is clear.

Optionally, the oil inlet or the oil outlet in the sealing assembly is symmetrically connected with a sealing ring, and the sealing plate is located between the sealing rings.

Through adopting above-mentioned technical scheme, further promote the leakproofness under the cooperation of closing plate and both sides sealing washer.

Optionally, an oil path control valve is installed below the hydraulic valve body, an oil path control pipeline is connected to one side, close to the oil inlet pipeline, of the oil path control valve, the oil path control pipeline is L-shaped, and a vertical portion of the oil path control pipeline extends to the inside of the hydraulic valve body and is connected with the oil inlet in a penetrating mode.

By adopting the technical scheme, the hydraulic oil enters from the oil inlet, and part of the hydraulic oil is distributed downwards through the oil way control pipeline.

Optionally, a through groove is formed in the middle of the interior of the hydraulic valve body, the through groove is communicated with the oil inlet and the oil outlet, and the transverse portion of the oil way control pipeline is communicated with the bottom of the through groove.

By adopting the technical scheme, the blockage is avoided.

Optionally, the bottom of the through groove is movably provided with a piston, a top rod is arranged above the piston, limiting rods are arranged on two sides of the bottom of the through groove, and the limiting rods are connected with the piston in a sliding mode.

By adopting the technical scheme, the piston is flushed by hydraulic oil in the oil way control pipeline under the action of the oil way control valve, and the piston moves slowly under the action of the limiting rod.

Optionally, a pressure chamber is arranged above the hydraulic valve body, a spring is connected to the bottom of the pressure chamber, a valve core is connected to the other end of the spring, and the valve core extends into the through groove and is movably arranged.

By adopting the technical scheme, the oil way is opened through the valve core.

Optionally, a wear-resistant layer is sleeved on the outer side of the valve core, and the wear-resistant layer is attached to the through groove.

By adopting the technical scheme, the wear-resistant layer is made of the sulfur rubber, so that the wear-resistant layer has high elasticity, heat resistance, tensile strength, insolubility in an organic solvent and the like, and the wear resistance is further improved.

In summary, the present application includes at least one of the following benefits:

1. the arranged sealing assembly can effectively seal the accommodating hydraulic valve body to prevent dust particles from accumulating inside, the sealing plate is adjusted upwards to open the oil inlet when in use, the sealing plate is adjusted downwards when in accommodation, and the inside of the hydraulic valve body is completely sealed under the matching of the sealing plate and the sealing rings at two sides to prevent the dust particles from accumulating;

2. the wear-resistant layer is made of sulfur rubber, has high elasticity, heat resistance, tensile strength, insolubility in an organic solvent and the like, and further improves the wear resistance.

Drawings

FIG. 1 is a perspective view of the overall structure of the present application;

FIG. 2 is a schematic view of the internal structure of the seal assembly of the present application;

FIG. 3 is a perspective view of the seal plate structure of the present application;

FIG. 4 is a schematic illustration of the internal structure of the hydraulic valve body of the present application;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 4 of the present application;

fig. 6 is an enlarged schematic view of the structure at B in fig. 4 of the present application.

Description of reference numerals: 1. a hydraulic valve body; 2. a seal assembly; 201. adjusting a rod; 202. a limiting ring; 203. a threaded portion; 204. a sealing plate; 205. a threaded sleeve; 206. a seal ring; 3. an oil inlet; 4. an oil inlet pipeline; 5. an oil outlet pipeline; 6. an oil passage control valve; 7. an oil path control conduit; 8. a pressure chamber; 9. a piston; 901. a top rod; 10. a through groove; 11. an oil outlet; 12. a valve core; 13. a spring; 14. a limiting rod; 15. and a wear-resistant layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Example (b):

the embodiment of the application discloses a wear-resisting hydraulic valve body. Referring to fig. 1 and 2, a wear-resistant hydraulic valve body comprises a hydraulic valve body 1, one side of the hydraulic valve body 1 is connected with an oil inlet pipeline 4, the other side of the hydraulic valve body 1 is connected with an oil outlet pipeline 5, the outer sides of the oil inlet pipeline 4 and the oil outlet pipeline 5 are both connected with a sealing assembly 2, the outer side of the sealing assembly 2 connected with the oil inlet pipeline 4 is provided with an oil inlet 3, the oil inlet 3 and the oil inlet pipeline 4 are arranged in a through manner, the arranged sealing assembly 2 can effectively seal the accommodated hydraulic valve body 1 to prevent dust particles from accumulating inside, the outer side of the sealing assembly 2 connected with the oil outlet pipeline 5 is provided with an oil outlet 11, the oil outlet 11 and the oil outlet pipeline 5 are arranged in a through manner, the oil inlet 3 or the oil outlet 11 in the sealing assembly 2 are both symmetrically connected with a sealing ring 206, and the middle part of the top of the sealing assembly 2 is connected with an adjusting rod 201, the bottom of the adjusting rod 201 is provided with a threaded part 203 which extends into the sealing component 2, the adjusting rod 201 and the threaded part 203 are arranged into a whole, the adjusting rod 201 drives the threaded part 203 to rotate together when rotating, the port parts of the adjusting rod 201 and the sealing component 2 are connected with a limiting ring 202, the limiting ring 202 limits the adjusting rod 201, a sealing plate 204 is movably arranged in the sealing component 2, a threaded sleeve 205 is arranged above the sealing plate 204, the threaded sleeve 205 and the sealing plate 204 are arranged into a whole, the threaded sleeve 205 is in threaded connection with the threaded part 203, the sealing plate 204 is driven to lift when the threaded part 203 rotates, the sealing plate 204 is positioned between the sealing rings 206, the oil inlet 3 is opened by the upper adjusting sealing plate 204 during use, the sealing plate 204 is adjusted downwards during storage, the interior of the hydraulic valve body 1 is completely sealed under the matching of the sealing plate 204 and the sealing rings 206 at two sides, preventing the accumulation of dust particles.

Referring to fig. 4 and 5, an oil path control valve 6 is installed below the hydraulic valve body 1, one side of the oil path control valve 6, which is close to the oil inlet pipeline 4, is connected with an oil path control pipeline 7, the shape of the oil path control pipeline 7 is set to be L-shaped, the vertical part of the oil path control pipeline 7 extends into the hydraulic valve body 1 to be communicated with the oil inlet 3, hydraulic oil enters from the oil inlet 3, part of the hydraulic oil is shunted downwards through the oil path control pipeline 7, a through groove 10 is formed in the middle part of the interior of the hydraulic valve body 1, the through groove 10 is communicated with the oil inlet 3 and the oil outlet 11, the hydraulic oil enters the through groove 10 through the oil inlet 3 and is finally discharged from the oil outlet 11, the transverse part of the oil path control pipeline 7 is communicated with the bottom of the through groove 10, a piston 9 is movably installed at the bottom of the through groove 10, the hydraulic oil in the oil path control pipeline 7 is flushed by the piston 9 under the action of the oil path control valve 6, the bottom both sides that lead to groove 10 are provided with gag lever post 14, sliding connection between gag lever post 14 and the piston 9, make piston 9 gently remove under gag lever post 14's effect, the top of hydrovalve body 1 is provided with pressure chamber 8, the bottom of pressure chamber 8 is connected with spring 13, the other end of spring 13 is connected with case 12, case 12 extends to the activity setting in leading to groove 10, the top of piston 9 is provided with ejector pin 901, piston 9 moves up and promotes case 12 through ejector pin 901 and open, the hydraulic oil in leading to groove 10 discharges through oil-out 11.

Referring to fig. 6, the outer side of the valve core 12 is sleeved with the wear-resistant layer 15, the wear-resistant layer 15 is attached to the through groove 10, the wear-resistant layer 15 is made of sulfur rubber, and the wear-resistant layer has high elasticity, heat resistance, tensile strength, insolubility in an organic solvent and the like, so that the wear resistance is further improved.

The implementation principle of a wear-resisting hydraulic valve body of this application embodiment does:

during the use, it is connected with oil pipe to open oil inlet 3 through adjusting pole 201 rising sealing plate 204, hydraulic oil gets into from oil inlet 3, some hydraulic oil shunts downwards through oil circuit control pipeline 7, make the hydraulic oil in the oil circuit control pipeline 7 break away piston 9 under the effect of oil circuit control valve 6, piston 9 rebound promotes the valve core 12 through ejector pin 901 and opens, the hydraulic oil in leading to groove 10 is discharged through oil-out 11, when accomodating, down adjust sealing plate 204, under the cooperation of sealing plate 204 and both sides sealing washer 206, make the inside complete seal of hydrovalve body 1, prevent piling up of dust particle in oil inlet 3 department and advance the inner wall of oil pipe 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a wear-resisting hydraulic valve body, includes hydrovalve body (1), one side of hydrovalve body (1) is connected with into oil pipe way (4), the opposite side of hydrovalve body (1) is connected with out oil pipe way (5), its characterized in that: the utility model discloses a sealing assembly, including oil inlet pipe way (4), oil outlet pipe way (5), sealing assembly (2) and regulation pole (201), the top middle part of sealing assembly (2) all is connected with, the bottom of adjusting pole (201) is provided with screw thread portion (203) and extends to the inside of sealing assembly (2), the port department of adjusting pole (201) and sealing assembly (2) is connected with spacing collar (202), the inside activity of sealing assembly (2) is provided with closing plate (204), the top of closing plate (204) is provided with thread bush (205), thread bush (205) and screw thread portion (203) threaded connection.

2. A wear resistant hydraulic valve body as set forth in claim 1, wherein: the oil inlet (3) has been seted up in the outside that seal assembly (2) and oil inlet pipeline (4) are connected, link up the setting between oil inlet (3) and oil inlet pipeline (4), oil-out (11) have been seted up in the outside of seal assembly (2) and oil outlet pipeline (5) are connected, link up the setting between oil-out (11) and oil outlet pipeline (5).

3. A wear resistant hydraulic valve body as set forth in claim 2, wherein: the oil inlet (3) or the oil outlet (11) in the sealing assembly (2) is symmetrically connected with sealing rings (206), and the sealing plates (204) are located between the sealing rings (206).

4. A wear resistant hydraulic valve body as set forth in claim 1, wherein: an oil way control valve (6) is installed below the hydraulic valve body (1), one side, close to the oil inlet pipeline (4), of the oil way control valve (6) is connected with an oil way control pipeline (7), the shape of the oil way control pipeline (7) is set to be L-shaped, and the vertical portion of the oil way control pipeline (7) extends to the inside of the hydraulic valve body (1) and is connected with the oil inlet (3) in a penetrating mode.

5. A wear resistant hydraulic valve body as set forth in claim 4, wherein: a through groove (10) is formed in the middle of the interior of the hydraulic valve body (1), the through groove (10) is communicated with the oil inlet (3) and the oil outlet (11), and the transverse part of the oil way control pipeline (7) is communicated with the bottom of the through groove (10).

6. A wear resistant hydraulic valve body as set forth in claim 5, wherein: the piston (9) is movably mounted at the bottom of the through groove (10), an ejector rod (901) is arranged above the piston (9), limiting rods (14) are arranged on two sides of the bottom of the through groove (10), and the limiting rods (14) are connected with the piston (9) in a sliding mode.

7. A wear resistant hydraulic valve body as set forth in claim 1, wherein: a pressure cavity (8) is arranged above the hydraulic valve body (1), a spring (13) is connected to the bottom of the pressure cavity (8), a valve core (12) is connected to the other end of the spring (13), and the valve core (12) extends into the through groove (10) and is movably arranged.

8. A wear resistant hydraulic valve body as set forth in claim 7, wherein: the outer side of the valve core (12) is sleeved with a wear-resistant layer (15), and the wear-resistant layer (15) is attached to the through groove (10).