CN213236112U

CN213236112U - Water conservancy valve seal structure

Info

Publication number: CN213236112U
Application number: CN202021456972.9U
Authority: CN
Inventors: 陈琦霖
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-05-18
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a water conservancy valve seal structure, be provided with high compression pump including the terminal lateral wall of valve handle, and the high compression pump inside wall is connected with the valve rod, the valve rod inside wall is fixed with the pneumatic tube, and its pneumatic tube bottom left side wall is fixed with first pneumatic branch pipe, and first pneumatic branch pipe right side wall is connected with second pneumatic branch pipe, the valve rod lateral wall is connected with valve support, and the terminal lateral wall of valve rod is provided with the lift hole, lift hole lateral wall is provided with the gasbag, and its gasbag bottom is provided with the restricted flow mouth support, restricted flow mouth support lateral wall is provided with restricted flow mouth fixed orifices, and the inside restricted flow mouth that is provided with of restricted flow mouth support, restricted flow mouth support left side is connected with the water inlet, and restricted flow mouth support right side is. This water conservancy valve seal structure adopts high-pressure seal technique, has solved the problem that the increase of valve service life made the leakproofness reduce, adopts "S" shape backflow structure greatly reduced fluid pressure simultaneously for sealed effect promotes.

Description

Water conservancy valve seal structure

Technical Field

The utility model relates to a hydraulic equipment technical field specifically is a water conservancy valve seal structure.

Background

The valves are control components in fluid delivery systems, have functions of stopping, adjusting, guiding, preventing counter-flow, stabilizing pressure, shunting or overflowing and relieving pressure, and the like, are used for valves of fluid control systems, from the simplest stop valves to various valves used in extremely complex automatic control systems, have quite a variety of varieties and specifications, can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and are further divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316 and the like), chromium molybdenum steel valves, chromium molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, non-standard customized valve materials and the like according to the materials.

Common valve adopts fixed seal structure mostly in the existing market, and the effect of initial stage of use is still can, and along with the increase of service life, the effect often reduces thereupon, and current valve can't be according to the pressure regulating valve's of rivers leakproofness simultaneously for the result of use is not good in different fluids.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water conservancy valve seal structure to solve the most fixed seal structure that adopt of common valve on the existing market that proposes in the above-mentioned background art, use initial stage effect still can, along with the increase of service life, the effect often reduces thereupon, and the unable pressure regulating valve's of water current tightness according to the valve that has now simultaneously makes the not good problem of result of use in different fluids.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water conservancy valve seal structure, is provided with high compression pump including the terminal lateral wall of valve handle, and the high compression pump inside wall is connected with the valve rod, the valve rod inside wall is fixed with the pneumatic tube, and its pneumatic tube bottom left side wall is fixed with first pneumatic branch pipe, and first pneumatic branch pipe right side wall is connected with second pneumatic branch pipe, the valve rod lateral wall is connected with the valve support, and the terminal lateral wall of valve rod is provided with the lift hole, lift hole lateral wall is provided with the gasbag, and its gasbag bottom is provided with the restriction mouth support, restriction mouth support lateral wall is provided with restriction mouth fixed orifices, and the inside restriction mouth that is provided with of restriction mouth support, restriction mouth support left side is connected with the water inlet, and restriction mouth support right side is connected.

Preferably, the number of the high-pressure air pumps is 2, and the high-pressure air pumps are symmetrically arranged on the left and right of the longitudinal symmetry axis of the valve rod.

Preferably, the pneumatic tube penetrates through the valve rod, and the pneumatic tube and the valve rod form a double-layer sleeve structure.

Preferably, the first pneumatic branch pipe and the second pneumatic branch pipe penetrate through the lifting hole, and the first pneumatic branch pipe and the second pneumatic branch pipe are symmetrically arranged on the left and right of the longitudinal symmetry axis of the lifting hole.

Preferably, the air bag is made of rubber, and the interior of the air bag is of a honeycomb structure.

Preferably, the water inlet and the water outlet are separated by the flow limiting port and are arranged in an S-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: this water conservancy valve seal structure adopts high-pressure seal technique, has solved the problem that the increase of valve service life made the leakproofness reduce, adopts "S" shape backflow structure greatly reduced fluid pressure simultaneously for sealed effect promotes. The high-pressure air pumps are provided with 2 high-pressure air pumps which are symmetrically arranged on the left and right sides of a longitudinal symmetry axis of the valve rod, the high-pressure air pumps are symmetrically arranged, the high-pressure air delivery effect is improved, the sealing effect is enhanced, the air pressure pipes penetrate through the valve rod, the air pressure pipes and the valve rod form a double-layer sleeve structure, the valve size is reduced by the double-layer sleeve structure, the operation of constructors is facilitated, the first air pressure branch pipe and the second air pressure branch pipe penetrate through the lifting hole, the first air pressure branch pipe and the second air pressure branch pipe are symmetrically arranged on the left and right sides of the longitudinal symmetry axis of the lifting hole, the air content of the air bag is ensured by utilizing double-pipe inflation, the sealing effect is greatly improved, the air bag is made of rubber, the interior of the air bag is of a honeycomb structure, the air bag made of rubber has better deformation capability, meanwhile, the honeycomb structure, the water inlet and the water outlet are separated by the flow limiting port, the water inlet and the water outlet are arranged to be of an S-shaped structure, and an S-shaped backflow design is adopted, so that the flow velocity of fluid is reduced, the fluid pressure is reduced, the valve pressure is reduced, the sealing effect is improved, and meanwhile, the overall firmness of the valve is improved by the fixedly arranged flow limiting port.

Drawings

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

FIG. 2 is a schematic view of the airbag of the present invention;

fig. 3 is a schematic view of the structure of the flow restriction opening of the present invention.

In the figure: 1. the valve comprises a valve handle, 2 a high-pressure air pump, 3 a valve rod, 4 a pneumatic tube, 5 a first pneumatic branch tube, 6 a second pneumatic branch tube, 7 a valve support, 8 a lifting hole, 9 an air bag, 10 a flow limiting port, 11 a water inlet, 12 a water outlet, 13 a flow limiting port support, 14 a flow limiting port fixing 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. 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. 1-3, the present invention provides a technical solution: a water conservancy valve sealing structure comprises a valve handle 1, wherein a high-pressure air pump 2 is arranged on the side wall of the tail end of the valve handle 1, a valve rod 3 is connected to the inner side wall of the high-

pressure air pump

2, 2 high-pressure air pumps 2 are symmetrically arranged on the left and right sides of the longitudinal symmetry axis of the valve rod 3, the high-pressure air pumps 2 are symmetrically arranged, the high-pressure air delivery effect is improved, the sealing effect is enhanced, an air pressure pipe 4 is fixed on the inner side wall of the valve rod 3, a first air pressure branch pipe 5 is fixed on the left side wall of the bottom of the air pressure pipe 4, a second air pressure branch pipe 6 is connected on the right side wall of the first air pressure branch pipe 5, the air pressure pipe 4 penetrates through the valve rod 3, the air pressure pipe 4 and the valve rod 3 form a double-layer sleeve structure, the valve size is reduced by the double-layer sleeve structure, the operation is convenient for constructors, the first air pressure branch pipe, the air content of the air bag 9 is ensured by utilizing double-tube inflation, the sealing effect is greatly improved, the side wall of the valve rod 3 is connected with a valve support 7, the outer side wall of the tail end of the valve rod 3 is provided with a lifting hole 8, the outer side wall of the lifting hole 8 is provided with the air bag 9, the bottom of the air bag 9 is provided with a flow limiting port support 13, the air bag 9 is made of rubber, the interior of the air bag 9 is of a honeycomb structure, the air bag 9 made of rubber has better deformation capability, meanwhile, the honeycomb structure can stabilize the whole structure of the air bag 9 and has better supporting effect, so that the air bag 9 is tightly attached to the side walls of the water inlet 11 and the water outlet 12, the side wall of the flow limiting port support 13 is provided with a flow limiting port fixing hole 14, the flow limiting port 10 is arranged inside the flow limiting port support 13, the left side of the flow limiting port support 13 is connected with the water inlet, and the water inlet 11 and the water outlet 12 are set to be S-shaped structures, and the S-shaped backflow design is adopted, so that the flow velocity of fluid is reduced, the fluid pressure is reduced, the valve pressure is reduced, the sealing effect is improved, and meanwhile, the overall firmness of the valve is improved by the fixedly arranged flow limiting port 10.

The working principle is as follows: when the water conservancy valve sealing structure is used, whether the whole structure of the valve is complete or not is firstly checked, the surface of the valve is preliminarily cleaned, after the cleaning is finished, the valve rod 3 is driven to descend through the lifting hole 8 through the rotary valve handle 1, the bottom of the valve rod 3 is enabled to coincide with the flow limiting port 10, after the coincidence is finished, the high-pressure air pump 2 is started, high-pressure air is generated through the high-pressure air pump 2, the high-pressure air is conveyed to the first air pressure branch pipe 5 and the second air pressure branch pipe 6 through the air pressure pipe 4, the high-pressure air is filled into the air bag 9 through the first air pressure branch pipe 5 and the second air pressure branch pipe 6, the air bag 9 is tightly attached to the side wall of the water inlet 11, the sealing structure setting is finished, after the valve is used, the high-pressure air pump 2 is closed, the content of the high-pressure air, the bottom of the valve rod 3 is separated from the flow limiting opening 10, so that the opening of the valve is completed, and the using process of the water conservancy valve sealing structure is realized.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a water conservancy valve seal structure, includes valve handle (1), its characterized in that: the valve handle is characterized in that a high-pressure air pump (2) is arranged on the side wall of the tail end of the valve handle (1), a valve rod (3) is connected to the inner side wall of the high-pressure air pump (2), an air pressure pipe (4) is fixed to the inner side wall of the valve rod (3), a first air pressure branch pipe (5) is fixed to the left side wall of the bottom of the air pressure pipe (4), a second air pressure branch pipe (6) is connected to the right side wall of the first air pressure branch pipe (5), a valve support (7) is connected to the side wall of the valve rod (3), a lifting hole (8) is formed in the outer side wall of the tail end of the valve rod (3), an air bag (9) is arranged on the outer side wall of the lifting hole (8), a flow limiting port support (13) is arranged at the bottom of the air bag (9), a flow limiting port fixing hole (14) is formed in the, and the right side of the flow-limiting opening bracket (13) is connected with a water outlet (12).

2. A water conservancy valve seal structure according to claim 1, characterized in that: the high-pressure air pumps (2) are arranged in number of 2, and the high-pressure air pumps (2) are installed in a bilateral symmetry mode about the longitudinal symmetry axis of the valve rod (3).

3. A water conservancy valve seal structure according to claim 1, characterized in that: the air pressure pipe (4) penetrates through the valve rod (3), and the air pressure pipe (4) and the valve rod (3) form a double-layer sleeve structure.

4. A water conservancy valve seal structure according to claim 1, characterized in that: the first air pressure branch pipe (5) and the second air pressure branch pipe (6) penetrate through the lifting hole (8), and the first air pressure branch pipe (5) and the second air pressure branch pipe (6) are installed in a bilateral symmetry mode relative to a longitudinal symmetry axis of the lifting hole (8).

5. A water conservancy valve seal structure according to claim 1, characterized in that: the air bag (9) is made of rubber, and the interior of the air bag (9) is of a honeycomb structure.

6. A water conservancy valve seal structure according to claim 1, characterized in that: the water inlet (11) and the water outlet (12) are separated by the flow limiting port (10), and the water inlet (11) and the water outlet (12) are of S-shaped structures.