CN213176812U

CN213176812U - Water valve flow control device for hydraulic engineering

Info

Publication number: CN213176812U
Application number: CN202021560210.3U
Authority: CN
Inventors: 王迎峰
Original assignee: Fujian Woyuan Water Conservancy Engineering Co ltd
Current assignee: Fujian Woyuan Water Conservancy Engineering Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-11
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a water valve flow control device for hydraulic engineering, which comprises a rotary hand wheel, a lower containing cavity, a second flange plate and an upper containing cavity, wherein the bottom of the upper containing cavity is welded with a first fastening disc, the bottom of the first fastening disc is connected with a second fastening disc, the bottom of the second fastening disc is welded with the lower containing cavity, the first fastening disc is hinged with a mounting nut, the first fastening disc and the second fastening disc are mutually fixed by the mounting nut, two supporting legs are evenly welded at the bottom of the lower containing cavity, the first flange plate is welded at one side of the outer part of the lower containing cavity, the second flange plate is welded at the other side of the outer part of the lower containing cavity, the utility model discloses a rust-proof oil and a graphite filler are arranged in a filler cavity, the surface of the graphite filler is uneven, a control rod and the graphite filler mutually rub in the rotating process of the control rod, the rust removal can be carried out on the, an oil film is formed on the surface of the control rod under the action of the antirust oil, so that the antirust function is achieved.

Description

Water valve flow control device for hydraulic engineering

Technical Field

The utility model relates to a water valve technical field specifically is a water valve flow control device for hydraulic engineering.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to the function, the valve can be divided into a shut-off valve, a check valve, a regulating valve and the like, wherein the valve is a control part in a fluid conveying system and has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems, from the simplest shut-off valves to the various valves used in extremely complex autonomous systems, are of a wide variety and specifications, and require a water valve to control flow in hydraulic engineering, however, the existing water valve flow control devices for hydraulic engineering have many problems or disadvantages:

firstly, a control rod in the existing water valve flow control device for hydraulic engineering is easy to rust, so that the control rod cannot rotate;

secondly, the existing water valve flow control device for hydraulic engineering is poor in sealing effect, so that water leakage of the device is easily caused;

thirdly, there is not buffer structure in current water conservancy project water valve flow control device, leads to the device to close suddenly and causes "water hammer effect" damage valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water valve flow control device for hydraulic engineering rusts easily in order to solve the control lever that proposes in the above-mentioned background art, sealed effect is not good and close suddenly and cause the problem of damage easily.

In order to achieve the above object, the utility model provides a following technical scheme: a flow control device of a water valve for hydraulic engineering comprises a rotary hand wheel, a lower containing cavity, a second flange plate and an upper containing cavity, wherein a first fastening plate is welded at the bottom of the upper containing cavity, the bottom of the first fastening disk is connected with a second fastening disk, the bottom of the second fastening disk is welded with a lower cavity, the first fastening disk is hinged with a mounting nut, and the mounting nut fixes the first fastening disk and the second fastening disk with each other, two supporting legs are welded at the bottom of the lower cavity uniformly, a first flange plate is welded at one side of the outer part of the lower cavity, a second flange plate is welded at the other side of the outer part of the lower cavity, mounting screw holes are uniformly formed in the outer surface of the first flange plate, and the installation screw hole is provided with six on first ring flange, the surface of second ring flange also is provided with the installation screw, and the installation screw also is provided with six on the second ring flange.

Preferably, the central position in the upper cavity is hinged with a control rod, one end of the control rod is connected with a rotary hand wheel, and the rotary hand wheel is used for controlling the valve to be opened and closed.

Preferably, a packing cavity is formed in the top of the inside of the upper accommodating cavity, graphite packing is filled in the bottom of the inside of the packing cavity, anti-rust oil is filled in the top of the graphite packing, a second rubber ring is arranged at the top of the inside of the packing cavity, a first rubber ring is arranged at the bottom of the packing cavity, and the first rubber ring is used for sealing.

Preferably, the outer surface of the control rod is provided with a first spring, the other end of the control rod is hinged with a first sealing plug, the other end of the first sealing plug is connected with a second sealing plug, one end of the second sealing plug is connected with a piston, and the piston is used for controlling the valve to be opened and closed.

Preferably, a water inlet is formed in one end of the inner portion of the lower accommodating cavity, a water outlet is formed in the other end of the inner portion of the lower accommodating cavity, and the water inlet achieves the water inlet effect.

Preferably, the welding of one side of holding the intracavity portion down has the installation piece, and the one end of installation piece evenly articulates there is the connecting rod, and the other end of connecting rod articulates there is the buffer piece, fixedly connected with second spring on the buffer piece, the other end and the installation piece interconnect of second spring, and the buffer piece has played the effect of buffering.

Compared with the prior art, the beneficial effects of the utility model are that: this water valve flow control device for hydraulic engineering is rational in infrastructure, has following advantage:

(1) through being provided with antirust oil, packing chamber and graphite filler have realized preventing that the control lever from rustting and leading to unable pivoted purpose, current device, inside does not rust cleaning and rust-resistant treatment to the control lever, lead to using for a long time the back, rust on the control lever leads to unable rotation, therefore, during the use, through being provided with antirust oil and graphite filler in the inside of packing chamber, graphite filler surface roughness, at control lever pivoted in-process control lever and graphite filler looks friction, will rust cleaning to the control lever, form the oil film on the surface of effect through antirust oil at the control lever, thereby rust-resistant function has been played.

(2) Through being provided with first sealing plug, the second sealing plug, first rubber circle and second rubber circle have realized sealed effectual purpose, current device is sealed effectual, lead to leaking easily, thereby the effect of the control is influenced, therefore, be provided with the second sealing plug on the piston, the one-shot sealing that the second sealing plug played, first sealing plug plays the secondary seal, first rubber circle and second rubber circle can prevent that water from flowing out in the space in the control lever, the cubic is sealed has been realized, can prevent that inside water from revealing.

(3) Through being provided with the buffer block, the second spring, the connecting rod with realized the density that can play the buffering, current device does not have the buffering effect, it can form "water hammer effect" to lead to the water valve to close suddenly, water hammer effect can cause very big impact force to inside, thereby lead to the device to damage, therefore, in use, when rivers impact the buffer block, the buffer block can compress the second spring, the connecting rod can rotate to both sides simultaneously, cushion once through the effect of second spring, become the purpose that the secondary buffering has been realized to vertical power to the horizontal power through the effect of connecting rod, the effect of buffering has been realized, prevent that the water valve from damaging.

Drawings

Fig. 1 is a front view of the external structure of the present invention;

FIG. 2 is a schematic view of the front view of the internal structure of the present invention;

FIG. 3 is an enlarged schematic view of the mounting block of the present invention;

fig. 4 is a schematic side view of the first flange of the present invention;

in the figure: 1. rotating a hand wheel; 2. a control lever; 3. a first fastening disk; 4. a second fastening disk; 5. a first flange plate; 6. supporting legs; 7. a lower cavity; 8. a second flange plate; 9. mounting a nut; 10. an upper cavity; 11. antirust oil; 12. a packing cavity; 13. a first spring; 14. a first sealing plug; 15. a piston; 16. a water inlet; 17. a buffer sheet; 18. a second spring; 19. a connecting rod; 20. mounting blocks; 21. a water outlet; 22. a second sealing plug; 23. a first rubber ring; 24. graphite filler; 25. a second rubber ring; 26. and installing screw holes.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a flow control device of a water valve for hydraulic engineering comprises a rotary hand wheel 1, a lower containing cavity 7, a second flange 8 and an upper containing cavity 10, wherein the bottom of the upper containing cavity 10 is welded with a first fastening disc 3, the bottom of the first fastening disk 3 is connected with a second fastening disk 4, the bottom of the second fastening disk 4 is welded with a lower cavity 7, the first fastening disk 3 is hinged with a mounting nut 9, and the first fastening disc 3 and the second fastening disc 4 are mutually fixed by the mounting nut 9, two supporting legs 6 are uniformly welded at the bottom of the lower cavity 7, a first flange 5 is welded at one side of the outer part of the lower cavity 7, a second flange 8 is welded at the other side of the outer part of the lower cavity 7, mounting screw holes 26 are uniformly arranged on the outer surface of the first flange 5, six mounting screw holes 26 are formed in the first flange plate 5, six mounting screw holes 26 are also formed in the outer surface of the second flange plate 8, and six mounting screw holes 26 are also formed in the second flange plate 8;

a control rod 2 is hinged to the center position inside the upper cavity 10, and one end of the control rod 2 is connected with a rotary hand wheel 1;

a packing cavity 12 is arranged at the top inside the upper containing cavity 10, graphite packing 24 is filled at the bottom inside the packing cavity 12, anti-rust oil 11 is filled at the top of the graphite packing 24, a second rubber ring 25 is arranged at the top inside the packing cavity 12, and a first rubber ring 23 is arranged at the bottom of the packing cavity 12;

when the rust-proof device is used, the rust-proof oil 11 and the graphite filler 24 are arranged in the filler cavity 12, the surface of the graphite filler 24 is uneven, the control rod 2 and the graphite filler 24 rub with each other in the rotating process of the control rod 2, rust removal is carried out on the control rod 2, an oil film is formed on the surface of the control rod 2 under the action of the rust-proof oil 11, and therefore the rust-proof function is achieved;

a first spring 13 is arranged on the outer surface of the control rod 2, a first sealing plug 14 is hinged to the other end of the control rod 2, a second sealing plug 22 is connected to the other end of the first sealing plug 14, and a piston 15 is connected to one end of the second sealing plug 22;

a water inlet 16 is formed at one end inside the lower accommodating cavity 7, and a water outlet 21 is formed at the other end inside the lower accommodating cavity 7;

a second sealing plug 22 is arranged on the piston 15, the second sealing plug 22 performs primary sealing, the first sealing plug 14 performs secondary sealing, and the first rubber ring 23 and the second rubber ring 25 can prevent water from flowing out of a gap in the control rod 2, so that tertiary sealing is realized, and internal water can be prevented from leaking;

an installation block 20 is welded on one side inside the lower cavity 7, a connecting rod 19 is uniformly hinged to one end of the installation block 20, a buffer sheet 17 is hinged to the other end of the connecting rod 19, a second spring 18 is fixedly connected to the buffer sheet 17, and the other end of the second spring 18 is connected with the installation block 20;

during the use, when rivers strike buffer chip 17, buffer chip 17 can compress second spring 18, and connecting rod 19 can rotate to both sides simultaneously, cushions once through the effect of second spring 18, and the effect through connecting rod 19 becomes the purpose that the secondary cushioned is realized to vertical power to horizontal power, has realized the effect of buffering, prevents that the water valve from damaging.

The working principle is as follows: when the device is used, the device is installed in a water pipe through the installation screw hole 26, the rotating hand wheel 1 is rotated, the rotating hand wheel 1 drives the control rod 2 to rotate, the control rod 2 drives the piston 15 to move, and further the opening and closing of water flow are controlled, the control rod 2 is not subjected to rust removal and rust prevention treatment inside the device, so that the control rod 2 cannot rotate due to rust removal after long-time use, therefore, when the device is used, rust prevention oil 11 and graphite packing 24 are arranged inside the packing cavity 12, the surface of the graphite packing 24 is uneven, the control rod 2 and the graphite packing 24 rub with each other in the rotating process of the control rod 2, the control rod 2 is subjected to rust removal, an oil film is formed on the surface of the control rod 2 under the action of the rust prevention oil 11, so that the rust prevention function is achieved, the existing device is poor in sealing effect, water leakage is easy to cause, and the control effect is influenced, therefore, the second sealing plug 22 is arranged above the piston 15, the second sealing plug 22 performs primary sealing, the first sealing plug 14 performs secondary sealing, the first rubber ring 23 and the second rubber ring 25 can prevent water from flowing out of the gap in the control rod 2, tertiary sealing is realized, can prevent the leakage of the water inside, the prior device has no buffer effect, which causes the sudden closing of the water valve to form a water hammer effect which can cause great impact force to the inside, thereby causing damage to the device, and therefore, in use, when water flow strikes the buffer plate 17, the buffer plate 17 compresses the second spring 18, at the same time, the connecting rod 19 will rotate towards two sides, and the buffer is performed once through the action of the second spring 18, the longitudinal force is changed into the transverse force through the action of the connecting rod 19, so that the purpose of secondary buffering is realized, the buffering effect is realized, and the water valve is prevented from being damaged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a water valve flow control device for hydraulic engineering, includes rotatory hand wheel (1), holds chamber (7), second ring flange (8) and last appearance chamber (10) down, its characterized in that: the bottom of the upper accommodating cavity (10) is welded with a first fastening disc (3), the bottom of the first fastening disc (3) is connected with a second fastening disc (4), the bottom of the second fastening disc (4) is welded with a lower accommodating cavity (7), the first fastening disc (3) is hinged with a mounting nut (9), the first fastening disc (3) and the second fastening disc (4) are mutually fixed by the mounting nut (9), two supporting legs (6) are uniformly welded at the bottom of the lower accommodating cavity (7), a first flange (5) is welded at one side of the outer part of the lower accommodating cavity (7), a second flange (8) is welded at the other side of the outer part of the lower accommodating cavity (7), mounting screw holes (26) are uniformly formed in the outer surface of the first flange (5), six mounting screw holes (26) are formed in the first flange (5), and mounting screw holes (26) are also formed in the outer surface of the second flange (8), and six mounting screw holes (26) are also arranged on the second flange plate (8).

2. The water valve flow control device for the hydraulic engineering according to claim 1, wherein: the center position of the interior of the upper cavity (10) is hinged with a control rod (2), and one end of the control rod (2) is connected with a rotary hand wheel (1).

3. The water valve flow control device for the hydraulic engineering according to claim 1, wherein: the top inside the upper accommodating cavity (10) is provided with a packing cavity (12), the bottom inside the packing cavity (12) is filled with graphite packing (24), the top of the graphite packing (24) is filled with anti-rust oil (11), the top inside the packing cavity (12) is provided with a second rubber ring (25), and the bottom of the packing cavity (12) is provided with a first rubber ring (23).

4. The water valve flow control device for the hydraulic engineering according to claim 2, characterized in that: the outer surface of control lever (2) is provided with first spring (13), and the other end of control lever (2) articulates there is first sealing plug (14), and the other end of first sealing plug (14) is connected with second sealing plug (22), and the one end of second sealing plug (22) is connected with piston (15).

5. The water valve flow control device for the hydraulic engineering according to claim 1, wherein: a water inlet (16) is formed in one end of the interior of the lower accommodating cavity (7), and a water outlet (21) is formed in the other end of the interior of the lower accommodating cavity (7).

6. The water valve flow control device for the hydraulic engineering according to claim 1, wherein: the utility model discloses a chamber, including lower chamber (7), one side welding of lower chamber inside has installation piece (20), and the even articulated connecting rod (19) that has of one end of installation piece (20), and the other end of connecting rod (19) articulates there is buffer plate (17), fixedly connected with second spring (18) on buffer plate (17), the other end and the installation piece (20) interconnect of second spring (18).