CN216618587U - Double-control combined liquid level valve - Google Patents
Double-control combined liquid level valve Download PDFInfo
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- CN216618587U CN216618587U CN202122756891.1U CN202122756891U CN216618587U CN 216618587 U CN216618587 U CN 216618587U CN 202122756891 U CN202122756891 U CN 202122756891U CN 216618587 U CN216618587 U CN 216618587U
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- liquid level
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- diaphragm
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Abstract
The utility model relates to a double-control combined type liquid level valve which comprises a valve body, a valve rod and a valve cover, wherein the valve rod is arranged inside the valve body, the valve cover is arranged at the top of the valve body, a valve seat assembly is arranged on the valve body, a valve clack assembly, an elastic diaphragm, a diaphragm gland and an adjusting spring are connected to the valve rod, the elastic diaphragm is arranged above the valve clack assembly, the diaphragm gland is connected with the elastic diaphragm in a matched mode, and the adjusting spring is connected with the diaphragm gland in a matched mode. The opening of the whole valve clack is adjusted by adopting a double-control adjusting combination mode through a rear valve ball valve, a rear valve adjusting valve and a front valve adjusting valve according to the liquid level to be adjusted and comparing front and rear liquid level signals, so as to achieve accurate control.
Description
Technical Field
The utility model relates to the technical field of control equipment, in particular to a double-control combined liquid level valve.
Background
The liquid level valve is widely applied to industrial pipe networks of industrial departments such as petroleum, chemical industry, electric power, metallurgy, food, medicine, light spinning, paper making and the like, the purpose of intercepting can be achieved through the liquid level valve, the traditional liquid level valve is poor in control efficiency and inconvenient to disassemble and assemble, in addition, the internal structure of the liquid level valve is complex, the maintenance cost is high, the liquid level valve is not easy to control, in addition, the liquid level valve in the prior art is exposed outside for a long time and is easy to oxidize, and further, the corrosion condition is caused.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a double-control combined type liquid level valve.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a two control combined type liquid level valves, includes valve body, valve rod and valve gap, and the valve rod is installed inside the valve body, and the valve gap is installed at the top of valve body, is provided with the disk seat subassembly on the valve body, be connected with valve clack subassembly, elastic diaphragm, diaphragm gland and adjusting spring on the valve rod, elastic diaphragm sets up in valve clack subassembly top, and the diaphragm gland is connected with the elastic diaphragm cooperation, and adjusting spring is connected with the diaphragm gland cooperation.
In a further preferred embodiment, the valve body is externally connected with a post-valve ball valve, a post-valve regulating valve and a pre-valve regulating valve.
In a further preferred mode, the valve rod is further provided with an upper compression ring connected with the adjusting spring.
In a further preferred embodiment, the flap assembly comprises a flap upper cover and a flap lower cover, each of which is connected to the valve rod.
In a further preferred embodiment, a sealing seat is arranged between the flap upper cover and the flap lower cover.
In a further preferred embodiment, the valve body and the valve cover are detachably connected by a bolt and a nut.
In a further preferred mode, the outer surface of the valve body is provided with a protective layer and an anticorrosive layer, and the anticorrosive layer is arranged on the inner side of the protective layer.
In a further preferred embodiment, the corrosion protection layer is a paint layer.
In a further preferred embodiment, the protective layer is a polyurethane anticorrosive paint coating.
(III) advantageous effects
Compared with the prior art, the utility model provides a double-control combined type liquid level valve, which has the following beneficial effects:
1. the opening of the whole valve clack is adjusted by adopting a double-control adjusting combination mode through a rear valve ball valve, a rear valve adjusting valve and a front valve adjusting valve according to the liquid level to be adjusted and comparing front and rear liquid level signals, so that accurate control is achieved.
2. The valve seat assembly adopts a centering guide structure, so that the centering and free up-and-down sliding of the valve clack are ensured conveniently.
3. And the diaphragm and spring composite structure is adopted, so that the adjustment precision of the valve clack is ensured.
Drawings
FIG. 1 is a schematic diagram of a preferred overall structure of a dual-control compound level valve according to the present invention;
fig. 2 is a schematic view of the matching structure of the valve body, the anticorrosive coating and the protective layer in the utility model.
In the figure: 1. a valve body; 2. a valve seat assembly; 3. a valve clack lower cover; 4. a sealing seat; 5. the valve clack is covered; 6. a post-valve ball valve; 7. an elastic diaphragm; 8. a diaphragm gland bush; 9. adjusting the valve after the valve; 10. adjusting the spring; 11. a valve stem; 12. sleeving a compression ring; 13. a valve cover; 14. a pre-valve regulating valve; 15. a protective layer; 16. And (4) an anticorrosive layer.
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.
The first embodiment is as follows:
referring to fig. 1-2, a dual-control combined liquid level valve includes a valve body 1, a valve rod 11 and a valve cover 13, wherein the valve rod 11 is installed inside the valve body 1, the valve cover 13 is installed on the top of the valve body 1, the valve body 1 is provided with a valve seat assembly, the valve rod 11 is connected with a valve flap assembly, an elastic diaphragm 7, a diaphragm gland 8 and an adjusting spring 10, the elastic diaphragm 7 is arranged above the valve flap assembly, the diaphragm gland 8 is connected with the elastic diaphragm 7 in a matching manner, and the adjusting spring 10 is connected with the diaphragm gland 8 in a matching manner.
In the present embodiment, the valve body 1 is externally connected with a post-valve ball valve 6, a post-valve regulating valve 9 and a pre-valve regulating valve 14. The pressure in the inner cavity of the valve cover 13 can be well determined through the rear valve ball valve 6, the rear valve regulating valve 9 and the front valve regulating valve 14, so that the next operation can be conveniently carried out.
In this embodiment, the valve rod 11 is further provided with an upper compression ring 12 connected with the adjusting spring 10. The adjustment spring 10 and the elastic diaphragm 7 can be pressed more firmly by the upper clamping ring 12.
In the present embodiment, the valve flap assembly includes a valve flap upper cover 5 and a valve flap lower cover 3, which are respectively connected to the valve stem 11. Thereby can use the valve clack subassembly well, can control the inner chamber of valve body 1 well.
In the present embodiment, a sealing seat is provided between the valve flap upper cover 5 and the valve flap lower cover 3. The sealing performance between the valve clack upper cover 5 and the valve clack lower cover 3 is further improved.
In this embodiment, the valve body 1 and the bonnet 13 are detachably connected by the engagement of a bolt and a nut. The disassembly and the assembly of the valve body 1 and the valve cover 13 are convenient.
In the present embodiment, the outer surface of the valve body 1 is provided with a protective layer 15 and an anticorrosive layer 16, and the anticorrosive layer 16 is provided inside the protective layer 15. The valve body 1 can be further protected by a protective layer 15 and a corrosion protection layer 16.
In this embodiment, the corrosion protection layer 16 is a paint layer. So that the corrosion prevention layer 16 can be better used.
In this embodiment, the protective layer 15 is a polyurethane anticorrosive paint coating. So that the protective layer can be used better.
Example two:
in conclusion, when the valve is used, according to signals of the front valve regulating valve 14 and the rear valve regulating valve 9, the pressure in the inner cavity of the valve cover 13 is determined, and whether the elastic diaphragm 7 moves upwards or downwards is determined, so that the valve rod 11 and the valve clack assembly are driven to lift upwards or descend downwards, the degree of opening the valve clack assembly is different, the required liquid level is guaranteed, when the valve rod 11 moves upwards, the valve rod 11 drives the valve clack assembly to extrude the elastic diaphragm 7, the elastic diaphragm 7 extrudes the regulating spring 10, and further the inner cavity inside the valve body 1 is in a circulation state.
Example three:
in conclusion, when the liquid level valve is used, after the liquid level valve is manufactured, the protective layer 15, namely the polyurethane anticorrosive coating, is coated on the surface of the liquid level valve, and then the anticorrosive layer 16 is coated on the surface of the liquid level valve, so that the outer surface of the valve body 1 has certain anticorrosive and protective functions, and the service life of the liquid level valve is prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a two control combined type liquid level valves, includes valve body, valve rod and valve gap, and the valve rod is installed inside the valve body, and the valve gap is installed at the top of valve body, is provided with valve holder subassembly on the valve body, its characterized in that, be connected with valve clack subassembly, elastic diaphragm, diaphragm gland and adjusting spring on the valve rod, the elastic diaphragm setting is in valve clack subassembly top, and the diaphragm gland is connected with the elastic diaphragm cooperation, and adjusting spring is connected with the diaphragm gland cooperation.
2. The dual-control compound fluid level valve of claim 1, wherein: the valve body is externally connected with a rear valve ball valve, a rear valve regulating valve and a front valve regulating valve.
3. The dual-control compound fluid level valve of claim 1, wherein: and the valve rod is also provided with an upper sleeve compression ring connected with the adjusting spring.
4. The dual-control compound fluid level valve of claim 1, wherein: the valve clack assembly comprises a valve clack upper cover and a valve clack lower cover which are respectively connected with the valve rod.
5. The dual-control compound fluid level valve of claim 4, wherein: and a sealing seat is arranged between the valve clack upper cover and the valve clack lower cover.
6. The dual-control compound fluid level valve of claim 1, wherein: the outer surface of the valve body is provided with a protective layer and an anticorrosive coating, and the anticorrosive coating is arranged on the inner side of the protective layer.
7. The dual-control compound fluid level valve of claim 6, wherein: the anticorrosive layer is a paint layer.
8. The dual-control compound liquid level valve of claim 6, wherein: the protective layer is a polyurethane anticorrosive paint coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122756891.1U CN216618587U (en) | 2021-11-11 | 2021-11-11 | Double-control combined liquid level valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122756891.1U CN216618587U (en) | 2021-11-11 | 2021-11-11 | Double-control combined liquid level valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618587U true CN216618587U (en) | 2022-05-27 |
Family
ID=81696443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122756891.1U Active CN216618587U (en) | 2021-11-11 | 2021-11-11 | Double-control combined liquid level valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618587U (en) |
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2021
- 2021-11-11 CN CN202122756891.1U patent/CN216618587U/en active Active
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