CN216692298U - Check valve component and hot water circulating system thereof - Google Patents
Check valve component and hot water circulating system thereof Download PDFInfo
- Publication number
- CN216692298U CN216692298U CN202122581197.0U CN202122581197U CN216692298U CN 216692298 U CN216692298 U CN 216692298U CN 202122581197 U CN202122581197 U CN 202122581197U CN 216692298 U CN216692298 U CN 216692298U
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- cold water
- water pipe
- check valve
- hot water
- flow guide
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 212
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000000670 limiting effect Effects 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000219122 Cucurbita Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a check valve component which is characterized by comprising a cold water pipe, a hot water pipe, a check valve core, a flow guide element and an elastic collar, wherein a connecting pipe fitting is connected between the cold water pipe and the hot water pipe, the check valve core is arranged on the connecting pipe fitting, the flow direction of water of the check valve core flows from the hot water pipe to the cold water pipe, the cold water pipe is provided with a step hole, and the flow guide element is clamped on the step hole of the cold water pipe. The application also discloses a hot water circulation system corresponding to the check valve assembly. The utility model has simple structure and convenient operation.
Description
Technical Field
The utility model relates to the technical field of water heaters, in particular to a one-way valve assembly of a wall-mounted boiler and a hot water circulating system of the one-way valve assembly.
Background
Many hanging stoves have hot water circulation function in order to realize opening promptly and heat promptly, and hot water circulation function its mainly utilizes the circulating pump to draw back the hanging stove with cold water in the water pipeline and heat, carries into the water pipeline again and circulates, makes always have hot water in the water pipeline through continuous circulation heating, realizes that the user need not to wait for and can supply hot water. However, most of users are old houses, the original old houses are mostly not provided with water return pipes, the wall-mounted boiler with the circulation function is required to be used, only the one-way valve can be used for serving as a circulation loop through the cold water pipe, the one-way valve conducts hot water to the cold water loop in a one-way mode for circulation, and cold water cannot enter a hot water pipeline. By adopting the structure, when a user opens a water using point near the check valve assembly to use cold water under the state of not starting hot water circulation, hot water in a hot water pipeline can be leaked and flowed out through one-way conduction of the check valve, and when the leaked water flow is more than 2.5L/min or 3L/min, the wall-mounted boiler can be started. In order to avoid the situation, a flow limiting valve is usually added at a cold water outlet on the check valve component, so that the water quantity entering a cold water pipe from a hot water pipe is reduced, the wall-mounted stove is prevented from being started by mistake, and the existing check valve component adopts a flow limiting valve structure and is higher in cost.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides the check valve component which is simple in structure, low in cost and convenient to install and disassemble and can be formed by injection molding.
Another object of the present invention is to provide a hot water circulation system having a simple structure.
The utility model adopts the following technical scheme to realize the purpose: a check valve component is characterized by comprising a cold water pipe, a hot water pipe, a check valve core, a flow guide element and an elastic retainer ring, wherein a connecting pipe fitting is connected between the cold water pipe and the hot water pipe, the check valve core is arranged on the connecting pipe fitting, the water flow direction of the check valve core flows from the hot water pipe to the cold water pipe, the cold water pipe is provided with a step hole, and the flow guide element is clamped on the step hole of the cold water pipe.
As a further explanation of the above scheme, the cold water pipe is provided with a cold water inlet and a cold water outlet, the hot water pipe is provided with a hot water inlet and a hot water outlet, and the flow guide element is fixed at the cold water outlet.
Furthermore, one end of the flow guide element is provided with a flange which is fixed on the step hole, the whole hollow water supply flow passes through, when a user needs to use cold water, the cold water needs to flow out through the flow guide element, and the inner caliber of the flow guide element is small, so that the flow guide element has a flow limiting effect, and the phenomenon that the cold water yield is too large is avoided.
Furthermore, the flange plate is correspondingly provided with an elastic collar, and the flow guide element is fixed on the step hole of the cold water pipe through the elastic collar.
Furthermore, a gap is formed between the flow guide element and the valve wall of the cold water pipe, so that a U-shaped flow guide structure is formed at the end part of the flow guide element, the water quantity entering the cold water pipe from the hot water pipe through the one-way valve is Q1, the water quantity flowing into the one-way valve through the cold water pipe is Q2, and the two water flows of Q1 and Q2 flow oppositely to form a vortex, and the resistance of entering the cold water pipe from the hot water pipe through the one-way valve is further increased.
A hot water circulation system is characterized in that the one-way valve assembly is used for pumping cold water in a water using pipeline into a wall-mounted boiler through a cold water pipe to be heated in a circulation loop by a circulating pump, then the cold water is conveyed into the water using pipeline to be circulated, hot water is always contained in the water using pipeline through continuous circulating heating, and hot water can be supplied to a user without waiting when the user boils.
Furthermore, in the hot water circulation starting state, the cold water pipe serves as a water return pipe, the lift of a circulating pump arranged in the wall-mounted boiler is small, the circulating water flow is less than 6L/min in the hot water circulation state using the one-way valve assembly, and the water flow channel caused by the flow guide element is reduced without influencing the circulating water flow; in the state that the hot water circulation is not started, when a user uses the cold water, the cold water needs to flow out through the diversion element, the water quantity entering the cold water pipe from the hot water pipe through the check valve assembly is Q1, and the water quantity flowing in through the cold water pipe is Q2, namely: q = Q1+ Q2.
The utility model adopts the technical scheme to achieve the beneficial effects.
1. The utility model adopts the check valve component as a circulation loop through the cold water pipe, utilizes the circulating pump to pump the cold water in the water using pipeline back to the wall-mounted boiler for heating, then conveys the cold water into the water using pipeline for circulation, and enables the water using pipeline to always have hot water through continuous circulation heating, thereby realizing that the hot water can be supplied without waiting when a user boils, and solving the defect that the wall-mounted boiler is started by mistake because the hot water flows out when the cold water is used in the prior art.
2. The flow guide element can be made of plastic and can be formed by injection molding, so that the cost is low; the flow guide element is convenient to mount and dismount.
Drawings
Fig. 1 is a schematic view of a flow guide element mounting structure according to the present invention.
Fig. 2 is a schematic view of the structure of the check valve assembly of the present invention.
Fig. 3 is a schematic structural view of a flow guide element.
Fig. 4 is a piping layout diagram of a circulation loop using a check valve through a cold water pipe.
Fig. 5 is a schematic diagram of hot water circulation system water flow in a hot water circulation enabled state.
Fig. 6 is a schematic view of water flow when a user uses cold water.
Description of reference numerals: 1. 1-1 parts of cold water pipe, 1-2 parts of stepped hole, 1-3 parts of cold water inlet, 2 parts of cold water outlet, 2-1 parts of hot water pipe, 2-2 parts of hot water inlet, 3 parts of hot water outlet, 4 parts of one-way valve core, 4-1 parts of flow guide element, 5 parts of flange plate, 6 parts of elastic retainer ring and connecting pipe fitting.
Detailed Description
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the feature, and in the description of the utility model, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages thereof are more clear and clear. The embodiments described below are exemplary by referring to the drawings, are intended to explain the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1-6, the utility model is a check valve assembly, which comprises a cold water pipe 1, a hot water pipe 2, a check valve core 3, a flow guide element 4 and an elastic collar 5, wherein a connecting pipe fitting 6 is connected between the cold water pipe and the hot water pipe, the check valve core is arranged on the connecting pipe fitting, the water flow direction of the check valve core flows from the hot water pipe to the cold water pipe, the cold water pipe is provided with a step hole 1-1, and the flow guide element is clamped on the step hole of the cold water pipe. The cold water pipe is provided with a cold water inlet 1-2 and a cold water outlet 1-3, the hot water pipe is provided with a hot water inlet 2-1 and a hot water outlet 2-2, and the flow guide element is fixed at the cold water outlet. One end of the flow guide element is provided with a flange plate 4-1 which is hollow as a whole and is used for water flow to pass through, the flange plate is correspondingly provided with an elastic clamping ring 5, and the flow guide element is fixed on a step hole of the cold water pipe through the elastic clamping ring. The diversion element and the valve wall of the cold water pipe are spaced, so that a U-shaped diversion structure is formed at the end part of the diversion element. The flow guide element can be cylindrical, can also be in various shapes such as a gourd shape, a conical shape and the like, and has the same effect within the protection scope of the patent.
The check valve component is applied to a hot water circulation system, the check valve is used as a circulation loop through a cold water pipe, and the wall-mounted boiler is opened and heated immediately through a hot water circulation function. The hot water circulation function is mainly characterized in that cold water in the water using pipeline is pumped back to the wall-mounted boiler by the aid of the circulating pump to be heated, then the cold water is conveyed into the water using pipeline to be circulated, hot water is always contained in the water pipe by means of continuous circulating heating, and hot water can be supplied to a user without waiting when the user boils. In the state of starting hot water circulation, the cold water pipe serves as a water return pipe; the built-in water pump lift of the wall-mounted boiler is small, the flow of circulating water is generally less than 6L/min under the hot water circulation state using the existing one-way valve assembly, and the flow channel caused by the flow guide element is reduced without influencing the size of the flow of the circulating water.
When a user needs to use cold water in a state that hot water circulation is not started, the cold water needs to flow out through the flow guide element, and the water outlet quantity of the cold water is set to be Q. Because the inner caliber of the flow guide element is smaller and has the function of flow limiting, the overlarge cold water outlet quantity is avoided. When cold water is needed, the water quantity entering the cold water pipe from the hot water pipe through the one-way valve is Q1, and the water quantity flowing into the cold water valve of the one-way valve assembly through the cold water pipe is Q2, namely: q = Q1+ Q2. The water quantity entering the cold water pipe from the hot water pipe through the one-way valve is Q1, and the water flows along with the flow guide element in a U shape, so that the resistance of the flow of Q1 is greatly increased due to the U-shaped flow. At the bottom of the U-shaped pipe, the water quantity entering the cold water pipe from the hot water pipe through the one-way valve is Q1, the water quantity flowing into the cold water valve of the one-way valve component through the cold water pipe is Q2, and the two water flows of Q1 and Q2 flow oppositely to form a vortex, so that the resistance of entering the cold water pipe from the hot water pipe through the one-way valve is further increased; thereby making Q1 much smaller than Q2.
When a user needs to use cold water, the flow is limited by the flow guide element, and the resistance of the hot water pipe entering the cold water pipe is increased, so that the water quantity entering the cold water pipe from the hot water pipe is reduced, and the wall-mounted boiler is prevented from being started by mistake; the flow guide element can be made of plastic and can be formed by injection molding, so that the cost is low; the flow guide element is convenient to mount and dismount.
Compared with the prior art, the wall-mounted boiler can overcome the defect that the wall-mounted boiler is started by mistake due to the fact that hot water flows out when cold water is used in the prior art, the flow guide element can be made of plastic and can be formed through injection molding, the cost is low, and the wall-mounted boiler is convenient to install and detach.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (6)
1. A check valve component is characterized by comprising a cold water pipe, a hot water pipe, a check valve core, a flow guide element and an elastic retainer ring, wherein a connecting pipe fitting is connected between the cold water pipe and the hot water pipe, the check valve core is arranged on the connecting pipe fitting, the water flow direction of the check valve core flows from the hot water pipe to the cold water pipe, the cold water pipe is provided with a step hole, and the flow guide element is clamped on the step hole of the cold water pipe.
2. The check valve assembly of claim 1, wherein the cold water pipe is provided with a cold water inlet and a cold water outlet, the hot water pipe is provided with a hot water inlet and a hot water outlet, and the flow guide member is fixed to the cold water outlet.
3. The check valve assembly of claim 1, wherein the flow guide member has a flange at one end thereof, the flange being fixed to the stepped hole, and the check valve assembly being hollow as a whole for water to flow therethrough.
4. The check valve assembly of claim 1, wherein the flange is correspondingly provided with an elastic collar, and the flow guide element is fixed on the stepped hole of the cold water pipe through the elastic collar.
5. The check valve assembly of claim 1, wherein the flow guide element is spaced from a valve wall of the cold water pipe such that a U-shaped flow guide structure is formed at an end of the flow guide element.
6. A hot water circulation system corresponding to the check valve assembly of any one of claims 1 to 5, characterized in that the check valve assembly is used as a circulation loop through a cold water pipe, cold water in a water using pipeline is pumped back to the wall-hanging stove by a circulation pump to be heated and then is conveyed into the water using pipeline to be circulated, and hot water is always in the water using continuous circulation heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122581197.0U CN216692298U (en) | 2021-10-26 | 2021-10-26 | Check valve component and hot water circulating system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122581197.0U CN216692298U (en) | 2021-10-26 | 2021-10-26 | Check valve component and hot water circulating system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216692298U true CN216692298U (en) | 2022-06-07 |
Family
ID=81831241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122581197.0U Expired - Fee Related CN216692298U (en) | 2021-10-26 | 2021-10-26 | Check valve component and hot water circulating system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216692298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183693A (en) * | 2021-10-26 | 2022-03-15 | 万家乐热能科技有限公司 | Check valve component and hot water circulating system thereof |
-
2021
- 2021-10-26 CN CN202122581197.0U patent/CN216692298U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183693A (en) * | 2021-10-26 | 2022-03-15 | 万家乐热能科技有限公司 | Check valve component and hot water circulating system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220607 |