CN215720978U - Diaphragm valve cover - Google Patents
Diaphragm valve cover Download PDFInfo
- Publication number
- CN215720978U CN215720978U CN202121919722.9U CN202121919722U CN215720978U CN 215720978 U CN215720978 U CN 215720978U CN 202121919722 U CN202121919722 U CN 202121919722U CN 215720978 U CN215720978 U CN 215720978U
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- China
- Prior art keywords
- valve cover
- diaphragm valve
- filter screen
- mounting
- air duct
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- Filtering Of Dispersed Particles In Gases (AREA)
- Details Of Valves (AREA)
Abstract
The utility model discloses a diaphragm valve cover, which comprises a valve cover main body and a valve body, wherein the top end of the valve cover main body is rotatably connected with an air duct through threads, the middle inside the air duct is provided with a communicating hole, the inside of the air duct is provided with an installation shell, the inner walls of the installation shell and the communicating hole are both provided with a protective rubber pad, two sides of the installation shell are symmetrically provided with dirt accumulation grooves, a first filter screen is arranged between the inner walls of the upper part of the installation shell, and a second filter screen is arranged between the bottoms of the installation shell. According to the utility model, firstly, the combined embedded filtering structure is adopted, so that the valve cover has a filtering effect and is convenient to clean, the service life of the diaphragm valve is prolonged, the protection effect of the integral use of the valve cover of the diaphragm valve is also improved, secondly, the integrated accumulated cleaning structure is adopted, the convenience of cleaning the filtering device of the valve cover is improved, and the filtering effect of the filtering device of the valve cover is also improved.
Description
Technical Field
The utility model relates to the technical field of diaphragm valve parts, in particular to a diaphragm valve cover.
Background
The diaphragm valve realizes the opening and closing functions by utilizing the up-and-down movement of the diaphragm. The diaphragm isolates the medium from the upper cavity of the valve cover assembly, and the medium cannot leak out without filling.
However, the existing valve cover of diaphragm valve still has the problem of partial difficulty, firstly, in order to make the air inlet edge realize longitudinal and transverse input and switching, reach the possibility of evenly distributed of air supply, the existing valve cover of diaphragm valve has also set up special business turn over gas pocket, and when using, because when transmitting gas, gas carries partial impurity easily, when carrying for a long time, impurity causes wearing and tearing to the diaphragm inside the diaphragm valve easily, reduce the life of diaphragm valve, and current filtration sets up to directly at pipeline internally mounted filter screen, but inside the filter screen installation, bring inconvenience for the clearance change, the protective effect that the valve cover of diaphragm valve used has also been reduced simultaneously, secondly, the setting of edulcoration is filtered to current partial valve cover of diaphragm valve, after long-term use partial impurity easily accumulates on the filter screen surface, reduce the result of use of edulcoration.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the valve cover of the diaphragm valve is provided in order to solve the problem that the valve cover part of the traditional diaphragm valve has a low protection effect.
In order to achieve the purpose, the utility model adopts the following technical scheme:
diaphragm valve gap, including valve gap main part and valve body, the top of valve gap main part is rotated through the screw thread and is connected with the air duct, and has seted up the intercommunicating pore in the middle of the inside of air duct, the inside of air duct is equipped with the installation casing, the protection cushion is all installed to the inner wall of installation casing and intercommunicating pore, long-pending dirty groove has been seted up to the bilateral symmetry of installation casing, install first filter screen between the upper portion inner wall of installation casing, install the second filter screen between the bottom of installation casing, the air vent has been seted up at the front end middle part of air duct.
As a further description of the above technical solution:
the installation shell and the vent pipe are mutually embedded and attached to the protective rubber pad, the bottom end of the installation shell is embedded to the top of the communicating hole and attached to the protective rubber pad, and the vent hole penetrates through the vent pipe and the valve cover main body and is mutually communicated with the communicating hole.
As a further description of the above technical solution:
and a second sealing plug is arranged at the embedded connection part of the top of the valve cover main body and the bottom of the vent pipeline.
As a further description of the above technical solution:
the bottom fixedly connected with installation base of valve gap main part, the top fixedly connected with installation connecting plate of valve body.
As a further description of the above technical solution:
the bottom of the mounting base and the top of the mounting connecting plate are mutually embedded with each other, and the joint is provided with a first sealing plug.
As a further description of the above technical solution:
the four corners department of installation base and erection joint board butt each other all runs through and has seted up the mounting hole.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. according to the utility model, the combined embedded filtering structure is adopted, when the combined type embedded filtering structure is used, when gas enters the vent pipeline, the gas firstly passes through the first filter screen to filter part of large-sized particle impurities, then passes through the second filter screen to adsorb and filter fine impurities, and finally enters the channel in the valve cover main body through the communicating hole.
2. In the utility model, the integral type scraping and cleaning structure is adopted, when the valve cover is used, as the top of the first filter screen is in the conical structure, the filter screen filters partial particle impurities on the filter screen, and in the process of continuous cyclic use, the flowing air flow discharges the impurities to the side end and falls into the scraping groove for scraping, so that the impurity particles are prevented from being scraped on the first filter screen, and the filtering effect is reduced.
Drawings
FIG. 1 illustrates a perspective view provided in accordance with an embodiment of the present invention;
FIG. 2 illustrates a front cross-sectional view provided in accordance with an embodiment of the present invention;
fig. 3 shows a schematic partial structure provided according to an embodiment of the present invention.
Illustration of the drawings:
1. a bonnet body; 2. a valve body; 3. installing a base; 4. mounting a connecting plate; 5. an air duct; 6. mounting holes; 7. a first sealing plug; 8. a second sealing plug; 9. a protective rubber pad; 10. installing a shell; 11. a dirt accumulation groove; 12. a communicating hole; 13. a second filter screen; 14. a first filter screen; 15. and (4) a vent hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a diaphragm valve cover comprises a valve cover main body 1 and a valve body 2, wherein the top end of the valve cover main body 1 is rotatably connected with a vent pipe 5 through threads, a communicating hole 12 is formed in the middle of the inside of the vent pipe 5, an installation shell 10 is arranged inside the vent pipe 5, protective rubber pads 9 are arranged on the inner walls of the installation shell 10 and the communicating hole 12, dirt accumulation grooves 11 are symmetrically formed in two sides of the installation shell 10, a first filter screen 14 is arranged between the inner walls of the upper portion of the installation shell 10, a second filter screen 13 is arranged between the bottom of the installation shell 10, a vent hole 15 is formed in the middle of the front end of the vent pipe 5, the vent hole 15 is integrally formed in the valve cover main body 1 and penetrates through the interior of the vent pipe 5 and is one of common air source channels, ventilation and exhaust are convenient, the installation shell 10 and the vent pipe 5 are mutually embedded and attached to the protective rubber pads 9, the bottom end of the installation shell 10 is embedded to the top of the communicating hole 12 and attached to the protective rubber pads 9, the vent hole 15 penetrates through the vent pipeline 5 and the valve cover main body 1 and is communicated with the communicating hole 12, a second sealing plug 8 is installed at the embedded connection position of the top of the valve cover main body 1 and the bottom of the vent pipeline 5, and the second sealing plug 8 mainly seals the connection position of the vent pipeline 5 and the valve cover main body 1.
Specifically, as shown in fig. 1 and 2, the bottom end of the valve cover main body 1 is fixedly connected with the mounting base 3, the top end of the valve body 2 is fixedly connected with the mounting connecting plate 4, the joint is mutually embedded between the bottom end of the mounting base 3 and the top end of the mounting connecting plate 4, and the first sealing plug 7 is installed on the joint, and the first sealing plug 7 mainly plays a role in sealing between the joint of the mounting connecting plate 4 and the mounting base 3.
Specifically, as shown in fig. 1, the four corners of the mutual butt joint of the installation base 3 and the installation connecting plate 4 are all penetrated and provided with installation holes 6, and the installation holes 6 are mainly convenient for external bolts to penetrate through the installation holes 6 to fixedly connect the installation base 3 and the installation connecting plate 4.
The working principle is as follows: when in use, firstly, in order to improve the protective effect of the whole use of the valve cover, when in use, when gas enters the vent pipe 5, the gas firstly passes through the first filter screen 14 to filter partial large-scale particle impurities, and then passes through the second filter screen 13 to adsorb and filter fine impurities, the gas enters the valve cover main body 1 through the communicating hole 12 and finally enters the channel in the valve body 2, when in need of cleaning, because the protective rubber pad 9 is made of silica gel, the elasticity and the softness are high, the mounting shell 10 can be fastened and extruded, the mounting shell 10 is convenient to mount, when in disassembly, the mounting shell 10 is directly taken out of the vent pipe 5 to clean, the convenience of cleaning is improved, secondly, in order to improve the use effect of the valve cover filtration, because the top appearance of the first filter screen 14 is of a conical structure, the first filter screen 14 filters partial particle impurities on the first filter screen 14, in the process of continuous recycling, the flowing air flow discharges impurities to the side end of the first filter screen 14 and falls into the dirt accumulation groove 11 for accumulation, so that the impurity particles are prevented from accumulating on the first filter screen 14 to reduce the filtering effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. Diaphragm valve gap, including valve gap main part (1) and valve body (2), its characterized in that, the top of valve gap main part (1) is connected with air duct (5) through the screw thread rotation, and has seted up intercommunicating pore (12) in the middle of the inside of air duct (5), the inside of air duct (5) is equipped with installation casing (10), protection cushion (9) are all installed to the inner wall of installation casing (10) and intercommunicating pore (12), long-pending dirty groove (11) have been seted up to the bilateral symmetry of installation casing (10), install first filter screen (14) between the upper portion inner wall of installation casing (10), install second filter screen (13) between the bottom of installation casing (10), air vent (15) have been seted up at the front end middle part of air duct (5).
2. The diaphragm valve bonnet according to claim 1, wherein the mounting housing (10) and the vent pipe (5) are embedded with each other and attached to the protective rubber pad (9), the bottom end of the mounting housing (10) is embedded at the top of the communication hole (12) and attached to the protective rubber pad (9), the top end of the first filter screen (14) is of a conical structure, and the vent hole (15) penetrates through the vent pipe (5) and the bonnet main body (1) and is interconnected to the communication hole (12).
3. A diaphragm valve cover according to claim 1, wherein a second sealing plug (8) is mounted at the embedded connection of the top of the cover body (1) and the bottom of the vent pipe (5).
4. A diaphragm valve bonnet according to claim 1, wherein a mounting base (3) is fixedly connected to the bottom end of the bonnet body (1), and a mounting web (4) is fixedly connected to the top end of the valve body (2).
5. A diaphragm valve bonnet according to claim 4, wherein the bottom end of the mounting base (3) and the top end of the mounting connecting plate (4) are provided with a first sealing plug (7) at the embedded connection.
6. A diaphragm valve bonnet according to claim 4, wherein mounting holes (6) are formed through the four corners of the mounting base (3) and the mounting connecting plate (4) which are abutted against each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121919722.9U CN215720978U (en) | 2021-08-17 | 2021-08-17 | Diaphragm valve cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121919722.9U CN215720978U (en) | 2021-08-17 | 2021-08-17 | Diaphragm valve cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215720978U true CN215720978U (en) | 2022-02-01 |
Family
ID=79997440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121919722.9U Active CN215720978U (en) | 2021-08-17 | 2021-08-17 | Diaphragm valve cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215720978U (en) |
-
2021
- 2021-08-17 CN CN202121919722.9U patent/CN215720978U/en active Active
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