CN218207922U

CN218207922U - Prevent hydrovalve of leakage

Info

Publication number: CN218207922U
Application number: CN202221779746.3U
Authority: CN
Inventors: 冯艳
Original assignee: Ningbo Chengrui Hydraulic Technology Co ltd
Current assignee: Ningbo Chengrui Hydraulic Technology Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2023-01-03
Anticipated expiration: 2032-07-11

Abstract

The utility model relates to a hydrovalve technical field just discloses a prevent hydrovalve of leakage, which comprises a valve body, the inner wall of valve body is provided with the case, the last fixed surface of case is connected with the valve rod, the surface of valve rod and the inner wall contact of valve body, the surface of case is seted up flutedly, the inner wall of recess bonds and has first air cushion, the surface of first air cushion and the inner wall contact of valve body. The utility model discloses a clearance is sealed between first air cushion to valve body and case, and, after first air cushion surface wear, the accessible is aerifyd the pulling force of mechanism spring to rubber block, make first air cushion still can with valve body in close contact with, and then make the liquid in the hydrovalve can not take place to leak, simultaneously, through the spliced pole, the scale, the cooperation of slide opening and instruction piece, the position that messenger's user can audio-visual judgement rubber block place, and judge the degree of first air cushion wearing and tearing according to rubber block's position.

Description

Prevent hydrovalve of leakage

Technical Field

The utility model relates to a hydrovalve technical field especially relates to a prevent hydrovalve of leakage.

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. However, after the hydraulic valve is used for a long time, a gap is generated between the valve body and the valve core due to abrasion, so that the hydraulic valve is easy to leak.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: at present, after the hydraulic valve is used for a long time, a gap is generated between a valve body and a valve core due to abrasion, so that the hydraulic valve is easy to leak, and the leakage-proof hydraulic valve is provided.

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

the utility model provides a prevent hydrovalve of leakage, includes the valve body, the inner wall of valve body is provided with the case, the last fixed surface of case is connected with the valve rod, the surface of valve rod and the inner wall contact of valve body, the surface of case is seted up flutedly, the inner wall of recess bonds has first air cushion, the surface of first air cushion and the inner wall contact of valve body, the fixed intercommunication in bottom of first air cushion has the trachea, the through-hole has been seted up to the bottom of valve body, the inner wall of through-hole and tracheal fixed surface are connected with the bearing, the upper surface of bearing and the bottom contact of first air cushion, the bottom of valve body and tracheal equal fixedly connected with in surface of valve body aerify the mechanism.

Preferably, the inflation mechanism comprises a hollow cylinder, the upper surface of the hollow cylinder is fixedly connected with the bottom of the valve body, the inner wall of the hollow cylinder and the surface of the air pipe are fixedly connected with a hollow plate, the bottom of the hollow plate is fixedly connected with a spring, the bottom of the spring is fixedly connected with a connecting plate, a rubber slide block is bonded to the bottom of the connecting plate, and the surface of the rubber slide block is in contact with the inner wall of the hollow cylinder.

Preferably, the elasticity of the first air cushion is smaller than the pulling force of the spring on the connecting plate.

Preferably, the bottom of first air cushion bonds there is the spliced pole, the front fixedly connected with scale of spliced pole, the slide opening has been seted up in the front of hollow section of thick bamboo, the surface contact of the inner wall of slide opening and spliced pole, the left and right sides of scale all laminates and is provided with the instruction piece, the back of instructing the piece and the front fixed connection of hollow section of thick bamboo.

Preferably, the surface of the air pipe and the bottom of the hollow plate are both provided with second air cushions in a fitting manner, the bottom of the hollow plate is fixedly connected with an elastic metal ring, the bottom of the elastic metal ring is fixedly connected with a pressing plate, a tapered hole is formed in the pressing plate, and the inner wall of the tapered hole is in contact with the surface of the second air cushion.

Preferably, the elastic force of the elastic metal ring is greater than the weight of the pressing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses a clearance is sealed between first air cushion to valve body and case, and, after first air cushion surface wear, the accessible is aerifyd the pulling force of mechanism spring to rubber block, make first air cushion still can with valve body in close contact with, and then make the liquid in the hydrovalve can not take place to leak, simultaneously, through the spliced pole, the scale, the cooperation of slide opening and instruction piece, the position that messenger's user can audio-visual judgement rubber block place, and judge the degree of first air cushion wearing and tearing according to rubber block's position.

(2) The utility model discloses a second air cushion seals the bearing, and then prevents to pass through the bearing because of the air in the hollow cylinder and get into in the valve body, and leads to the distance between rubber slider and the hollow slab to reduce, simultaneously, through elastic metal ring to pressing the clamp plate pulling force, makes to press the clamp plate to press down the second air cushion to make trachea and hollow slab all with second air cushion in close contact with through the bell mouth, thereby the effectual sealed effect that has improved the second air cushion to the bearing.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

FIG. 3 is a front view of the structure of the present invention;

fig. 4 is a front view of the valve cartridge of the present invention;

fig. 5 is a front view of the first air cushion of the present invention;

fig. 6 is a side view of the first cushion of the present invention;

fig. 7 is a top view of the first air cushion of the present invention.

In the figure: 1. a valve body; 2. a valve core; 3. a valve stem; 4. a groove; 5. a first air cushion; 6. an air pipe; 7. a through hole; 8. a bearing; 9. an inflation mechanism; 91. a hollow cylinder; 92. a hollow slab; 93. a spring; 94. a connecting plate; 95. a rubber slider; 10. connecting columns; 11. a graduated scale; 12. a slide hole; 13. an indication block; 14. a second air cushion; 15. an elastic metal ring; 16. a pressing plate; 17. and (4) a tapered hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The first embodiment is as follows:

referring to fig. 1-7, a prevent hydrovalve of leakage, including valve body 1, the inner wall of valve body 1 is provided with case 2, the last fixed surface of case 2 is connected with valve rod 3, the surface of valve rod 3 and the inner wall contact of valve body 1, recess 4 has been seted up on the surface of case 2, recess 4's inner wall bonds and has first air cushion 5, the surface of first air cushion 5 and the inner wall contact of valve body 1, it seals to the clearance between valve body 1 and case 2 through first air cushion 5, the fixed intercommunication in bottom of first air cushion 5 has trachea 6, through-hole 7 has been seted up to the bottom of valve body 1, the inner wall of through-hole 7 and the fixed surface of trachea 6 are connected with bearing 8, the upper surface of bearing 8 and the bottom contact of first air cushion 5, the equal fixedly connected with of surface of valve body 1 and trachea 6 aerifys mechanism 9.

The inflation mechanism 9 comprises a hollow cylinder 91, the upper surface of the hollow cylinder 91 is fixedly connected with the bottom of the valve body 1, the inner wall of the hollow cylinder 91 and the surface of the air pipe 6 are fixedly connected with a hollow plate 92, the first air cushion 5 is communicated with the hollow cylinder 91 through the air pipe 6, the bottom of the hollow plate 92 is fixedly connected with a spring 93, the bottom of the spring 93 is fixedly connected with a connecting plate 94, a rubber slider 95 is bonded at the bottom of the connecting plate 94, the surface of the rubber slider 95 is in contact with the inner wall of the hollow cylinder 91, the elastic force of the first air cushion 5 is smaller than the tensile force of the spring 93 to the connecting plate 94, and the first air cushion 5 is expanded through the tensile force of the spring 93 to the connecting plate 94.

Example two:

referring to fig. 1-3, a connecting column 10 is bonded to the bottom of the first air cushion 5, a graduated scale 11 is fixedly connected to the front of the connecting column 10, a sliding hole 12 is formed in the front of the hollow cylinder 91, the distance between the top of the sliding hole 12 and the hollow plate 92 is greater than the distance between the top of the rubber slider 95 and the hollow plate 92, further, air above the rubber slider 95 cannot be discharged through the sliding hole 12 through the rubber slider 95, the inner wall of the sliding hole 12 contacts with the surface of the connecting column 10, indication blocks 13 are arranged on the left side and the right side of the graduated scale 11 in a fitting manner, the back of the indication block 13 is fixedly connected with the front of the hollow cylinder 91, and through cooperation of the connecting column 10, the graduated scale 11, the sliding hole 12 and the indication blocks 13, a user can visually judge the position of the rubber slider 95 and judge the degree of abrasion of the first air cushion 5 according to the position of the rubber slider 95.

Example three:

referring to fig. 1-2, a second air cushion 14 is respectively attached to the surface of the air tube 6 and the bottom of the hollow plate 92, an elastic metal ring 15 is fixedly connected to the bottom of the hollow plate 92, a pressing plate 16 is fixedly connected to the bottom of the elastic metal ring 15, a tapered hole 17 is formed in the pressing plate 16, the inner wall of the tapered hole 17 is in contact with the surface of the second air cushion 14, the elastic force of the elastic metal ring 15 is greater than the gravity of the pressing plate 16, the bearing 8 is sealed through the second air cushion 14, further, the phenomenon that the distance between the rubber slider 95 and the hollow plate 92 is reduced due to the fact that air in the hollow cylinder 91 enters the valve body 1 through the bearing 8 is prevented, meanwhile, the pressing plate 16 presses the second air cushion 14 through the tensile force of the elastic metal ring 15, and the air tube 6 and the hollow plate 92 are in close contact with the second air cushion 14 through the tapered hole 17, and therefore the sealing effect of the second air cushion 14 on the bearing 8 is effectively improved.

The utility model discloses in, when the user used this hydrovalve, sealed the clearance between valve body 1 and case 2 through first air cushion 5, simultaneously, after 5 surface wear of first air cushion, spring 93 was to the pulling force of rubber slide 95 in the mechanism 9 was aerifyd to the accessible, made first air cushion 5 take place the inflation to make

first air cushion

5 and 1 in close contact with of valve body, and then made the liquid in the hydrovalve can not take place to leak.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a prevent hydrovalve of leakage, includes valve body (1), its characterized in that, the inner wall of valve body (1) is provided with case (2), the last fixed surface of case (2) is connected with valve rod (3), the surface of valve rod (3) and the inner wall contact of valve body (1), recess (4) are seted up on the surface of case (2), the inner wall of recess (4) bonds there is first air cushion (5), the surface of first air cushion (5) and the inner wall contact of valve body (1), the fixed intercommunication in bottom of first air cushion (5) has trachea (6), through-hole (7) have been seted up to the bottom of valve body (1), the inner wall of through-hole (7) and the fixed surface of trachea (6) are connected with bearing (8), the upper surface of bearing (8) and the bottom contact of first air cushion (5), the equal fixed surface of bottom of valve body (1) and trachea (6) is connected with and aerifys mechanism (9).

2. A leak-proof hydraulic valve according to claim 1, wherein the inflation mechanism (9) comprises a hollow cylinder (91), the upper surface of the hollow cylinder (91) is fixedly connected with the bottom of the valve body (1), the inner wall of the hollow cylinder (91) and the surface of the air pipe (6) are both fixedly connected with a hollow plate (92), the bottom of the hollow plate (92) is fixedly connected with a spring (93), the bottom of the spring (93) is fixedly connected with a connecting plate (94), the bottom of the connecting plate (94) is bonded with a rubber sliding block (95), and the surface of the rubber sliding block (95) is in contact with the inner wall of the hollow cylinder (91).

3. A leak resistant hydraulic valve according to claim 2, wherein the resilient force of said first air-cushion (5) is less than the pulling force of the spring (93) on the connection plate (94).

4. A leak-proof hydraulic valve according to claim 2, wherein a connecting column (10) is bonded to the bottom of the first air cushion (5), a scale (11) is fixedly connected to the front surface of the connecting column (10), a slide hole (12) is formed in the front surface of the hollow cylinder (91), the inner wall of the slide hole (12) is in contact with the surface of the connecting column (10), indication blocks (13) are attached to the left and right sides of the scale (11), and the back surface of the indication block (13) is fixedly connected to the front surface of the hollow cylinder (91).

5. A leak-proof hydraulic valve according to claim 2, wherein the surface of the air pipe (6) and the bottom of the hollow plate (92) are both provided with a second air cushion (14) in a fitting manner, the bottom of the hollow plate (92) is fixedly connected with an elastic metal ring (15), the bottom of the elastic metal ring (15) is fixedly connected with a pressing plate (16), a tapered hole (17) is formed in the pressing plate (16), and the inner wall of the tapered hole (17) is in contact with the surface of the second air cushion (14).

6. A leak-proof hydraulic valve as claimed in claim 5, characterized in that the elastic force of the elastic metal ring (15) is greater than the weight force of the pressing plate (16).