CN219221343U - Control valve and gas water heater system using same - Google Patents
Control valve and gas water heater system using same Download PDFInfo
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- CN219221343U CN219221343U CN202320181370.4U CN202320181370U CN219221343U CN 219221343 U CN219221343 U CN 219221343U CN 202320181370 U CN202320181370 U CN 202320181370U CN 219221343 U CN219221343 U CN 219221343U
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- control valve
- shell
- fluid outlet
- water heater
- housing
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Abstract
The utility model discloses a control valve and a gas water heater system using the same, wherein the control valve comprises a shell and a valve core, the valve core is arranged in the shell, a fluid channel is arranged in the valve core, the fluid channel is provided with a fluid outlet, the shell is provided with a rotary flow limiting plate, the rotary flow limiting plate is attached to the outer end surface of the fluid outlet, and a through hole is arranged on the rotary flow limiting plate; the shell can rotate relative to the valve core, and when the shell rotates along the first direction, the overlapping area of the through hole and the fluid outlet gradually becomes larger. The control valve and the gas water heater system with the control valve are simple in structure and convenient to control, so that a user can conveniently control water flow, and the use experience of a product is improved, and the gas water heater system has better practicability.
Description
Technical Field
The utility model relates to a control valve and a gas water heater system using the same.
Background
When using water, users usually use a water-saving valve to control the water outlet flow. For example, when using a gas water heater, the user typically does not need to have too much water flow, i.e., the amount of hot water is regulated by a water-saving valve provided at the water outlet.
In the existing valve design, more complicated operations such as screwing and unscrewing are often involved, and the operation of a user is inconvenient; the fixed part of the valve often also requires openings for mounting the adjusting members, which is not advantageous for its structural strength nor for setting the size of the adjusting range.
Disclosure of Invention
The utility model aims to overcome the defects of inconvenient control of a control valve and the like in the prior art, and provides the control valve and a gas water heater system using the control valve.
The utility model solves the technical problems by the following technical proposal:
the utility model provides a control valve, which comprises a shell and a valve core, wherein the valve core is arranged in the shell, a fluid channel is arranged in the valve core, and the fluid channel is provided with a fluid outlet;
the housing can rotate relative to the valve core, and when the housing rotates along a first direction, the overlapping area of the through hole and the fluid outlet gradually becomes larger.
In the technical scheme, the shell drives the rotary flow limiting plate to rotate when rotating, so as to adjust the superposition area of the through hole and the fluid outlet to control water flow, and the rotary flow limiting plate has a simple structure and is convenient for a user to control.
Preferably, the rotary restrictor plate is detachably connected to the housing.
In the technical scheme, the rotary current limiting plate is separable from the shell, so that the assembly is convenient.
Preferably, the inner peripheral surface of the shell is provided with a clamping groove, the rotary current limiting plate is provided with a clamping block, and the rotary current limiting plate and the shell are relatively fixed in the rotating direction.
In this technical scheme, fixture block and draw-in groove cooperation are fixed for rotation current limiting plate and casing do not have relative motion when rotating, guarantee control accuracy.
Preferably, the control valve further comprises a cover body detachably mounted on the shell, and the rotary flow limiting plate is positioned on the inner side of the cover body; the cover body is provided with a plurality of foaming holes.
In the technical scheme, the control valve is provided with the foaming device, so that water flow is softer, and water saving is realized.
Preferably, the valve core is a cylinder, one end of the cylinder is provided with a fixed flow limiting plate, and the fluid outlet is arranged on the fixed flow limiting plate.
In the technical scheme, the superposition area of the fluid outlet and the through hole can be adjusted along with the rotation of the rotary flow limiting plate, so that the control is convenient.
Preferably, the fixed flow limiting plate is detachably mounted with the cylinder.
In the technical scheme, the fixed flow limiting plate is separable from the cylinder body, so that the assembly is convenient.
Preferably, the cylinder and/or the fixed current limiting plate are provided with a first limit part, and the shell and/or the rotating current limiting plate are provided with a second limit part;
after the shell rotates along the first direction by a preset angle, the second limiting part is abutted with the first limiting part and prevents the shell from continuing to rotate.
In this technical scheme, second spacing portion cooperates with first spacing portion for the casing can only rotate limited angle, and then the range of variation of control discharge.
Preferably, the first limiting part is arranged on the end face of the cylinder body and/or the end face of the fixed current limiting plate, which faces the rotary current limiting plate.
In this technical scheme, first spacing portion sets up towards rotatory current limiting plate, cooperates with the second spacing portion better.
Preferably, the opening area of the fluid outlet becomes gradually larger along the first direction.
In the technical scheme, when the rotary flow limiting plate rotates along the first direction, the superposition area of the through hole and the fluid outlet is increased, so that the water flow change is controlled.
The utility model also provides a gas water heater system, which is characterized by comprising the control valve, wherein the control valve is arranged at the water using end of the gas water heater system, and the water flow defined by the minimum superposition area of the through hole and the fluid outlet is larger than the heating starting flow of the gas water heater.
In the technical scheme, the control valve controls the water yield of the gas water heater system to be always larger than the heating start flow of the gas water heater, so that flameout of the gas water heater caused by too small water flow is prevented.
On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the utility model.
The utility model has the positive progress effects that:
the control valve and the gas water heater system with the control valve are simple in structure and convenient to control, so that a user can conveniently control water flow, and the use experience of a product is improved, and the gas water heater system has better practicability.
Drawings
Fig. 1 is an exploded view of the control valve of the present utility model.
FIG. 2 is an overall schematic diagram of a control valve of the present utility model.
Fig. 3 is a perspective view of the control valve of the present utility model without the cover.
Fig. 4 is a right side view of a fixed restrictor plate, a rotary restrictor plate and a valve spool of the control valve of the present utility model.
Fig. 5 is a left side view of a fixed restrictor plate, a rotary restrictor plate and a valve spool of the control valve of the present utility model.
Description of the reference numerals
A housing 1;
a clamping groove 11;
a valve core 2;
a fluid outlet 21;
a fixed restrictor plate 22;
a first stopper 23;
a rotary flow-limiting plate 3;
a through hole 31;
a latch/second stop 32;
a cover 4;
and forming cells 41.
Detailed Description
The utility model is further illustrated by means of the following examples, which are not intended to limit the scope of the utility model.
Fig. 1 to 5 show an embodiment of a control valve according to the present utility model and a gas water heater system using the same. The control valve comprises a shell 1 and a valve core 2, wherein the valve core 2 is arranged in the shell 1, a fluid channel is arranged in the valve core 2, the fluid channel is provided with a fluid outlet 21, a rotary flow limiting plate 3 is arranged on the shell 1, the rotary flow limiting plate 3 is attached to the outer end surface of the fluid outlet 21, and a through hole 31 is formed in the rotary flow limiting plate 3; the casing 1 can rotate relative to the valve core 2, and when the casing 1 rotates along the first direction, the overlapping area of the through hole 31 and the fluid outlet 21 gradually becomes larger; the number of the through holes 31 and the number of the fluid outlets 21 are two, the through holes 31 are circular, and the fluid outlets 21 are arc-shaped. When the shell 1 rotates, the rotary flow limiting plate 3 is driven to rotate, so that the superposition area of the through hole 31 and the fluid outlet 21 is adjusted to control water flow, and the rotary flow limiting device is simple in structure and convenient for a user to control.
In other embodiments, other numbers and/or shapes of through holes 31 and fluid outlets 21 are possible without affecting the control of water flow.
The rotary restrictor plate 3 is detachably connected to the housing 1. The rotary flow limiting plate 3 is separable from the housing 1, facilitating assembly.
The inner peripheral surface of the shell 1 is provided with a clamping groove 11, the rotary current limiting plate 3 is provided with a clamping block 32, and the rotary current limiting plate 3 and the shell 1 are relatively fixed in the rotation direction; the number of the clamping blocks 32 and the clamping grooves 11 is two. The clamping block 32 and the clamping groove 31 are matched and fixed, so that the rotary current limiting plate 3 and the shell 1 do not move relatively during rotation, and control accuracy is guaranteed.
In other embodiments, the number of the clamping blocks 32 and the clamping grooves 11 can be not less than one, and the number of the clamping grooves 11 is not less than the number of the clamping blocks 32 without affecting the control of the water flow.
The control valve further comprises a cover body 4, the cover body 4 is detachably arranged on the shell 1, and the rotary flow limiting plate 3 is positioned on the inner side of the cover body 4; the lid 4 is provided with a plurality of foam holes 41. In this embodiment, the cover 4 is screwed to the housing 1. The control valve is provided with a foaming device, so that water flow is softer, and water saving is realized.
The valve core 2 is a cylinder, one end of the cylinder is provided with a fixed flow limiting plate 22, and the fluid outlet 21 is arranged on the fixed flow limiting plate 22; the valve core 2 is connected with the fixed flow limiting plate 22 through threads. The overlapping area of the fluid outlet 21 and the through hole 31 can be adjusted in a rotating way along with the rotating flow limiting plate 3, so that the control is convenient.
In other embodiments, the valve element 2 and the fixed restrictor plate 22 may be connected by other means without affecting the fixation between the valve element 2 and the fixed restrictor plate 22.
The fixed restrictor plate 22 is removably mounted to the barrel. The fixed restrictor plate 22 is separable from the barrel for ease of assembly.
The cylinder body is provided with a first limit part 23, and the rotary current limiting plate 3 is provided with a second limit part 32; after the shell 1 rotates a preset angle along the first direction, the second limiting part 32 is abutted with the first limiting part 23 and prevents the shell 1 from continuing to rotate; the first limiting part 23 and the second limiting part 32 are two and are oppositely arranged. The second limiting part 32 is matched with the first limiting part 23, so that the shell 1 can only rotate by a limited angle, and the variation range of water flow is controlled.
In other embodiments, the first limiting portion 23 may also be disposed on the fixed flow-limiting plate 22 and/or the second limiting portion 32 may also be disposed on the housing 1 without affecting the control of the water flow; the first limiting portion 23 and the second limiting portion 32 may be other numbers and/or arrangements.
The first limiting portion 23 is provided on an end surface of the cylinder body facing the rotation limiting plate 3. The first limiting portion 23 is disposed facing the rotation limiting plate 3 to be better engaged with the second limiting portion 32.
In other embodiments, the first limiting portion 23 may be disposed on the end surface of the fixed flow-limiting plate 22 facing the rotating flow-limiting plate 3 without affecting the control of the water flow.
The opening area of the fluid outlet 21 becomes gradually larger in the first direction. When the rotary restrictor plate 3 rotates in the first direction, the overlapping area of the through hole 31 and the fluid outlet 21 increases, thereby realizing control of water flow rate variation.
The present embodiment also provides a gas water heater system, including the control valve described above, where the control valve is disposed at the water use end of the gas water heater system, and the water flow defined by the smallest overlapping area of the through hole 31 and the fluid outlet 21 is greater than the heating start flow of the gas water heater. The control valve controls the water yield of the gas water heater system to be always larger than the heating start flow of the gas water heater, so that flameout of the gas water heater caused by too small water flow is prevented.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (10)
1. The control valve comprises a shell and a valve core, wherein the valve core is arranged in the shell, a fluid channel is arranged in the valve core, and the fluid channel is provided with a fluid outlet;
the housing can rotate relative to the valve core, and when the housing rotates along a first direction, the overlapping area of the through hole and the fluid outlet gradually becomes larger.
2. The control valve of claim 1, wherein the rotating restrictor plate is removably coupled to the housing.
3. The control valve according to claim 2, wherein the inner peripheral surface of the housing is provided with a clamping groove, the rotary flow limiting plate is provided with a clamping block, and the rotary flow limiting plate and the housing are relatively fixed in the rotation direction.
4. The control valve of claim 2, further comprising a cover removably mounted to the housing, the rotating restrictor plate being located inside the cover;
the cover body is provided with a plurality of foaming holes.
5. The control valve of claim 1, wherein the valve element is a cylinder, a fixed restrictor plate is provided at one end of the cylinder, and the fluid outlet is provided on the fixed restrictor plate.
6. The control valve of claim 5, wherein the fixed restrictor plate is removably mounted to the cylinder.
7. The control valve of claim 5, wherein a first limit portion is provided on the cylinder and/or the fixed restrictor plate, and a second limit portion is provided on the housing and/or the rotatable restrictor plate;
after the shell rotates along the first direction by a preset angle, the second limiting part is abutted with the first limiting part and prevents the shell from continuing to rotate.
8. The control valve of claim 7, wherein the first limit portion is provided on an end surface of the cylinder and/or the fixed restrictor plate facing the rotating restrictor plate.
9. The control valve of any one of claims 1-8, wherein an opening area of the fluid outlet becomes progressively larger in the first direction.
10. A gas water heater system comprising a control valve according to any one of claims 1 to 9, said control valve being provided at a water use end of said gas water heater system, a water flow rate defined by a minimum overlap area of said through hole and said fluid outlet being greater than a heating start flow rate of the gas water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181370.4U CN219221343U (en) | 2023-01-20 | 2023-01-20 | Control valve and gas water heater system using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181370.4U CN219221343U (en) | 2023-01-20 | 2023-01-20 | Control valve and gas water heater system using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219221343U true CN219221343U (en) | 2023-06-20 |
Family
ID=86758800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320181370.4U Active CN219221343U (en) | 2023-01-20 | 2023-01-20 | Control valve and gas water heater system using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219221343U (en) |
-
2023
- 2023-01-20 CN CN202320181370.4U patent/CN219221343U/en active Active
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