CN115325207A

CN115325207A - Simple pressure-resistant water way valve diaphragm assembly structure

Info

Publication number: CN115325207A
Application number: CN202210970324.2A
Authority: CN
Inventors: 孔祥存; 李丽茵
Original assignee: Zhongshan Zones Electronic Technology Co ltd
Current assignee: Zhongshan Zones Electronic Technology Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-11

Abstract

The invention discloses a simple pressure-resistant waterway valve diaphragm assembly structure, and relates to the technical field of waterway valve diaphragm assemblies. The diaphragm, the guide pillar and the water sealing boss sheath are assembled into a pressure resistant diaphragm assembly body; the diaphragm is provided with a water sealing boss extending downwards, and the center of the water sealing boss is provided with a pilot column fixing hole penetrating through the top and the bottom of the boss; the outer side surface of the water sealing boss is provided with a water sealing boss sheath fixing groove which is sunken towards the inner wall direction, and the diaphragm is used for fixing the water sealing boss sheath through the water sealing boss sheath fixing groove; a pilot hole penetrating through the top and the bottom of the pilot column is arranged in the middle of the pilot column; the side surface of the guide post is provided with a diaphragm fixing groove used for fixing the matched diaphragm, and the guide post is fixed in a guide post fixing hole of the diaphragm through the diaphragm fixing groove. The invention has strong compression and tensile resistance, is not easy to wear, has strong compression resistance and is not easy to deform, improves the stability of the diaphragm assembly in different water pressure environments, prolongs the service life of the diaphragm assembly, and has low production cost and wide application prospect.

Description

Simple pressure-resistant water way valve diaphragm assembly structure

Technical Field

The invention relates to the technical field of waterway valve diaphragm assemblies, in particular to a simple pressure-resistant waterway valve diaphragm assembly structure.

Background

The existing waterway valve diaphragms on the market have various styles, more complex structures and uneven quality, are not beneficial to mass production and popularization and use, and simultaneously, because parts are more, the material cost and the production cost are increased, and the social resource waste is indirectly caused. In addition, due to the structural defects of the valve diaphragm, the pressure balance cavity forms large pressure stretching and extrusion deformation to the diaphragm when the valve is closed, so that the diaphragm is easy to tear, the pressure resistance is poor, the product needs to be maintained or repaired frequently, and social resources such as manpower and material resources are greatly wasted.

The invention discloses a simple waterway valve diaphragm component structure disclosed by China invention application number 202120354033.1, which comprises a diaphragm and a pilot column, wherein the diaphragm and the pilot column are assembled or embedded and fixed; although above-mentioned diaphragm simple structure, can effectively solve production efficiency, but can appear the rubber boss and influenced normal switch water function by the extrusion deformation's the condition on using the great valve product of pressurized area, pressurized area also can corresponding increase when changing the diameter of diaphragm too big to lead to the coefficient of deformation to increase.

In order to solve the above problems, it is particularly necessary to design a novel simple pressure-resistant water path valve membrane assembly structure.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a simple pressure-resistant water channel valve diaphragm assembly structure which is simple in structure, reasonable in design, less in production parts, low in production cost, strong in pressure and tensile resistance, not easy to wear, strong in pressure resistance, not easy to deform, long in service life and easy to popularize and use, and the stability of the diaphragm assembly in different water pressure environments is improved.

In order to achieve the purpose, the invention is realized by the following technical scheme: a simple pressure-resistant waterway valve diaphragm assembly structure comprises a diaphragm, a pilot column and a water sealing boss sheath, wherein the diaphragm, the pilot column and the water sealing boss sheath are assembled into a pressure-resistant diaphragm assembly body in an assembling or embedding manner; the diaphragm is provided with a water sealing boss extending downwards, and the center of the water sealing boss is provided with a pilot post fixing hole penetrating through the top and the bottom of the boss and used for fixing or embedding a pilot post; the outer side surface of the water sealing boss is provided with a water sealing boss sheath fixing groove which is sunken towards the inner wall direction and is used for fixing or embedding a water sealing boss sheath which is used in a matched manner, and the diaphragm fixes the water sealing boss sheath through the water sealing boss sheath fixing groove; the middle of the pilot guide post is provided with a pilot hole which completely penetrates through the top and the bottom of the pilot guide post and is used for water flow in the water inlet direction to pass through; the side face of the column body of the guide column is provided with a membrane fixing groove used for mutually fixing the matched membranes, and the pilot column is fixed in a pilot column fixing hole of the membrane through the membrane fixing groove.

Preferably, the diaphragm is integrally formed by soft elastic materials, and the soft elastic materials comprise one of rubber, silica gel, soft plastic and elastic plastics.

Preferably, the water sealing boss is used for pressing a water inlet of a matched member such as a membrane support or a valve seat, and the like, and moves up and down through the hydraulic pressure acting force, so that the effect of opening and closing the valve is achieved.

Preferably, the diaphragm fixing groove is recessed towards the inner wall direction from the side surface of the column body of the pilot column, the upper wall and the lower wall of the pilot column fixing hole of the diaphragm are clamped through the groove step of the diaphragm fixing groove, and the diaphragm fixing groove is used for being fixed on the pilot column fixing hole of the diaphragm during assembly or embedding, so that the diaphragm is prevented from being separated or displaced under the impact of hydraulic acting force.

Preferably, the pilot column is formed by plastic injection molding or metal die-casting, which is hard and difficult to deform.

Preferably, the water sealing boss sheath is a cylindrical ring integrally formed by hard materials, is formed by plastic injection molding or metal die-casting and processing of hard materials which are not easy to deform, can be adjusted in shape according to actual needs, and comprises but not limited to a cylindrical ring shape, a cylindrical conical ring shape, a cylindrical ring shape external rib, a cylindrical ring shape external concave limiting position and the like, and can prevent the water sealing boss from being infinitely deformed towards the outside when the water pressure is too high.

The invention has the beneficial effects that: the device is strong in compression and stretching resistance, not prone to abrasion, strong in compression resistance and not prone to deformation, stability of the diaphragm assembly in different water pressure environments is improved, the problems that water closing delay, water closing failure, deformation abrasion and the like are caused due to compression deformation of the water sealing boss are solved, service life of the diaphragm assembly is greatly prolonged, and the device is few in production parts, low in production cost and wide in application prospect.

Drawings

The invention is described in detail below with reference to the drawings and the detailed description;

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

FIG. 2 isbase:Sub>A cross-sectional view taken along plane A-A of FIG. 1;

FIG. 3 is a schematic plan exploded view of the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a schematic perspective view of the present invention;

FIG. 6 is a bottom view of FIG. 5;

FIG. 7 is a schematic perspective exploded view of the present invention;

FIG. 8 is a bottom view of FIG. 7;

FIG. 9 is a schematic view of the production assembly of the present invention;

fig. 10 is a schematic view of the present invention when subjected to hydraulic forces in use.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 to 10, the following technical solutions are adopted in the present embodiment: the utility model provides a simple and easy withstand voltage water route valve diaphragm subassembly structure, includes diaphragm 1, guide post 2 and seals water boss sheath 3, and diaphragm 1 assembles a withstand voltage diaphragm subassembly body through equipment or the mode of inlaying with guide post 2 and water boss sheath 3 earlier, and diaphragm 1 comprises water boss 101, guide post fixed orifices 102, water boss sheath fixed slot 103 that seal, and guide post 2 comprises guide hole 201 and diaphragm fixed recess 202. The diaphragm 1 is provided with a water sealing boss 101 extending downwards, and the center of the water sealing boss 101 is provided with a pilot column fixing hole 102 penetrating through the top and the bottom of the boss; the outer side surface of the water sealing boss 101 is provided with a water sealing boss sheath fixing groove 103 which is concave towards the inner wall direction, and the diaphragm 1 fixes the water sealing boss sheath 3 through the water sealing boss sheath fixing groove 103; the middle of the pilot column 2 is provided with a pilot hole 201 which completely penetrates through the top and the bottom of the pilot column, and the pilot hole 201 is used for water flow in the direction of a water inlet of the valve to enter a pressure balance cavity of a valve finished product which is used in a matched mode; the side surface of the column of the guide post 2 is provided with a diaphragm fixing groove 202 for fixing the matched diaphragm 1, and the guide post 2 is fixed in the guide post fixing hole 102 of the diaphragm 1 through the diaphragm fixing groove 202.

It is worth noting that the water sealing boss 101 extending downwards in the middle of the diaphragm 1 is used for being used with a water inlet or a water inlet component of a matched valve, pressing a water inlet of a matched using piece such as a diaphragm support or a valve seat, and the like, and pushing the water sealing boss 101 to move up and down through a water pressure balance acting force, so that an effect of opening and closing the valve is achieved. Seal water boss sheath fixed slot 103 in the water boss 101 outside and be used for fixedly, assemble or inlay supporting water boss sheath 3 that seals who uses, can prevent to seal water boss sheath 3 and lead to the pine to take off or shift because of water pressure effort down, seal water boss sheath 3 and pass through the water boss 101 that seals of cladding diaphragm 1, can effectively protect and seal water boss 101, prevent to seal water boss 101 and produce the deformation to the outside when receiving water pressure extrusion, thereby improve diaphragm assembly's compressive capacity and stability greatly.

It is worth noting that the center of the diaphragm 1 is provided with a through hole which completely penetrates through the top of the diaphragm and the bottom of the water sealing boss 101, namely a pilot column fixing hole 102, the fixing hole is used for assembling, fixing or embedding the pilot column 2, the diaphragm fixing groove 202 is recessed towards the center direction of the inner wall at the side of the column body of the pilot column 2, and is used for fixing the pilot column 2 in the pilot column fixing hole 102 of the diaphragm 1, and the upper and lower walls of the pilot column fixing hole 102 of the diaphragm 1 are clamped through the groove step of the diaphragm fixing groove 202; the diaphragm fixing groove 202 is used for being fixed on the pilot column fixing hole 102 of the diaphragm 1 during assembly or embedding, so that the pilot column 2 and the diaphragm 1 are fixed with each other without loosening or shifting due to the influence of water flow pressure.

In addition, the diaphragm 1 is integrally formed by adopting a soft elastic material, and the soft elastic material adopts rubber, silica gel, soft plastic, elastic plastic and the like; the pilot column 2 is formed by plastic injection molding or metal die-casting processing of hard materials which are not easy to deform; the water sealing boss sheath 3 is a hard material integrally formed cylindrical ring, is formed by plastic injection molding or metal die-casting of hard materials which are not easy to deform, and can be adjusted in shape according to actual needs, and comprises but is not limited to a cylindrical ring shape, a cylindrical conical ring shape, a cylindrical ring shape externally-added rib, a cylindrical ring shape externally-added concave limiting position and the like.

The water seal structure comprises a diaphragm 1, a pilot column 2 and a water seal boss sheath 3, and the three parts can be assembled together quickly by manpower or machines to form a new diaphragm assembly, namely the water seal structure can be applied to a waterway valve product. The assembly process is shown in fig. 9, the pilot column fixing hole 102 of the diaphragm 1 is aligned with the top of the pilot column 2, and the diaphragm 1 and the pilot column 2 can be assembled together by applying pressure to the diaphragm 1 or the pilot column 2; the guide post 2 can also be fixed on a die during the production of the diaphragm 1, and the guide post 2 is coated together during the production of the diaphragm 1, so that the effect of integrated forming and rapid production is achieved; aligning the bottom of the diaphragm 1 to an inner hole of the water sealing boss sheath 3, applying pressure to the water sealing boss sheath 3 or the diaphragm 1, assembling the water sealing boss sheath 3 on the water sealing boss sheath fixing groove 103 of the diaphragm 1, and completing assembly production of the whole pressure-resistant diaphragm assembly, or fixing the water sealing boss sheath 3 on a production mold of the diaphragm 1 to form the whole body when the diaphragm 1 is produced; the method is one of the methods for assembling all parts of the pressure-resistant diaphragm assembly, and can adjust the assembling sequence or optimize the assembling mode according to the actual situation to achieve the effect of quick assembly.

This embodiment can receive the water pressure effort extrusion of equidirectional in the use, the water pressure effort that receives when waterway valve is in the closed condition is bigger, its atress refers to figure 10, withstand voltage diaphragm subassembly is when receiving the water pressure effort of upper and lower two directions, because the water boss 101 that seals of diaphragm 1 is soft, the elastic material, consequently when receiving water pressure effect from top to bottom, can seal water boss 101 extrusion deformation, the deformation that its produced can be to the outside of sealing water boss 101, seal water boss sheath 3 direction and inboard promptly, guide post 2 direction deformation promptly, because of sealing water boss sheath 3 and guide post 2 adoption are hard material, can effectively protect the coefficient of deformation of the water boss 101 that seals of diaphragm 1, make withstand voltage diaphragm subassembly can not produce big deformation, thereby ensure the stability and the resistance to compression, withstand voltage ability of withstand voltage diaphragm, improve withstand voltage diaphragm subassembly's life greatly.

This embodiment surrounds the boss that seals water through the boss sheath that seals water that adds a hard material in the periphery of the boss that seals water to prevent to seal the boss and warp to the outside when receiving high water pressure effort from top to bottom, thereby solve and appear closing the phenomenon that water time delay, unable water of closing, deformation wear and tear etc. because of sealing the boss pressurized deformation, improve the life and the compressive capacity of diaphragm subassembly greatly, its technical advantage lies in:

(1) The structure is simple, the number of production parts is small, the effects of low production cost and high production speed are achieved, and social resources such as manpower and material resources are greatly saved;

(2) Through rapid assembly or together mosaic production, dislocation or deviation of each part is avoided, the production efficiency of the diaphragm assembly and the consistency of a finished diaphragm assembly product are improved, and the performance and the stability of the diaphragm assembly are greatly improved;

(3) The stretch resistance and the high water pressure resistance of the diaphragm assembly are greatly improved by adjusting the material or the hardness of the water sealing boss sheath and the guide pillar, so that the service life of the diaphragm assembly in a high water pressure use environment is greatly prolonged;

(4) The diaphragm assembly has strong compression and stretching resistance, effectively prevents phenomena of no valve closing, abnormal valve closing time and the like caused by diaphragm deformation due to overhigh water pressure, greatly improves the stability, the service life and the production efficiency of the diaphragm assembly in different water pressure environments, and has wide market prospect in the application of water path valves.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A simple pressure-resistant waterway valve diaphragm assembly structure is characterized by comprising a diaphragm (1), a pilot column (2) and a water sealing boss sheath (3), wherein the diaphragm (1), the pilot column (2) and the water sealing boss sheath (3) are assembled into a pressure-resistant diaphragm assembly body in an assembling or embedding manner; the diaphragm (1) is provided with a water sealing boss (101) extending downwards, a pilot column fixing hole (102) penetrating through the top and the bottom of the boss is formed in the center of the water sealing boss (101), a water sealing boss sheath fixing groove (103) recessed towards the inner wall direction is formed in the outer side surface of the water sealing boss (101) and used for fixing or embedding a water sealing boss sheath (3) used in a matched mode, and the water sealing boss sheath (3) is fixed through the water sealing boss sheath fixing groove (103) by the diaphragm (1); the middle of the pilot column (2) is provided with a pilot hole (201) which completely penetrates through the top and the bottom of the pilot column, the pilot hole (201) is used for water flow in the water inlet direction to pass through, the side surface of the column body of the pilot column (2) is provided with a membrane fixing groove (202), and the pilot column (2) is fixed in a pilot column fixing hole (102) of the membrane (1) through the membrane fixing groove (202).

2. The simple pressure-resistant waterway valve membrane assembly structure of claim 1, wherein the membrane (1) is integrally formed of a soft elastic material, and the soft elastic material comprises one of rubber, silica gel, soft plastic and elastic plastic.

3. The diaphragm assembly structure of a simple pressure-resistant waterway valve according to claim 1, wherein the diaphragm fixing groove (202) is recessed toward the inner wall direction from the side of the column body of the pilot column (2), the upper and lower walls of the pilot column fixing hole (102) of the diaphragm (1) are clamped by the groove step of the diaphragm fixing groove (202), and the diaphragm fixing groove is fixed to the pilot column fixing hole (102) of the diaphragm to prevent the diaphragm from being separated or displaced under the impact of a hydraulic pressure.

4. The simple pressure-resistant waterway valve membrane assembly structure of claim 1, wherein the pilot column (2) and the water-sealing boss sheath (3) are both formed by injection molding of hard plastics or die casting and processing of metals.

5. The simple pressure-resistant water channel valve membrane assembly structure as claimed in claim 1, wherein the water sealing boss sheath (3) is a hard material integrally formed cylindrical ring, is formed by non-deformable hard material plastic injection molding or metal die casting, and has its shape adjusted according to actual requirements, including but not limited to cylindrical ring shape, cylindrical conical ring shape, cylindrical ring shape with ribs, and cylindrical ring shape with recessed position limitation, so as to prevent the water sealing boss (101) from deforming outwards without limitation due to excessive water pressure.