CN207621427U - A kind of anti-clogging check valve and central hot-water system - Google Patents
A kind of anti-clogging check valve and central hot-water system Download PDFInfo
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- CN207621427U CN207621427U CN201721587156.XU CN201721587156U CN207621427U CN 207621427 U CN207621427 U CN 207621427U CN 201721587156 U CN201721587156 U CN 201721587156U CN 207621427 U CN207621427 U CN 207621427U
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- water
- check valve
- sliding block
- water inlet
- valve
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Abstract
The utility model discloses a kind of anti-clogging check valve, including：Including valve body, it is provided with water inlet of hot water, hot water outlet, cold water inlet, cold water water outlet on the valve body, unidirectional valve chamber is provided between the water inlet of hot water and the cold water inlet；It is characterized in that, being equipped with the sliding block that can block unidirectional valve chamber water inlet in the check valve intracavitary；Several guide frames coordinated with check valve cavity wall are equipped on the sliding block, there are gaps between the guide frame and the check valve cavity wall.When water flows through the gap between the guide frame and the check valve cavity wall, flow velocity becomes larger, and plays souring, can prevent incrustation scale from forming lamination, the blockage problem of the check valve fundamentally solved.The utility model also provides a kind of central hot-water system with above-mentioned anti-clogging check valve.
Description
Technical field
The utility model is related to fluid heater technical field more particularly to a kind of anti-clogging check valve and central hot water systems
System.
Background technology
Central hot-water system is in no water return pipeline, to use instant-heating function, needs to install unidirectionally with water terminal
Hot and cold water pipe is connected to and is formed into a loop by valve.There is the central hot water check valve of many types in the market, structure is different,
Installation site and method are also inconsistent.Such check valve analyzes its reason there are easy blockage problem at present：Existing check valve is mostly
Guide rod orients, when foreign matter accumulate at guide rod in water, or long-time service back-guiding rod surface scaling, all guide rod can be caused stuck,
Non-return valve function is set to fail.
Utility model content
For problems of the prior art, it is not easy to form the anti-of incrustation scale the purpose of this utility model is to provide a kind of
Block check valve.
To achieve the above objectives, the utility model adopts the following technical solution.
A kind of anti-clogging check valve, including：Including valve body, water inlet of hot water, hot water effluent are provided on the valve body
Mouth, cold water inlet, cold water water outlet are provided with unidirectional valve chamber between the water inlet of hot water and the cold water inlet；
It is characterized in that, being equipped with the sliding block that can block unidirectional valve chamber water inlet in the check valve intracavitary；It is equipped on the sliding block
With several guide frames of check valve cavity wall cooperation, there are seams between the guide frame and the check valve cavity wall
Gap.
As a further illustration of the above scheme, the orientation block coordinated with the sliding block is equipped on the valve body, in institute
It states and is equipped with spring between orientation block and the sliding block, the sliding block blocks the unidirectional valve chamber water inlet under the action of spring
Mouthful.
As a further illustration of the above scheme, the sliding block is rounded, the sliding block is rounded, and the guide frame is
It is integrally formed the covering of the fan structure in the sliding block periphery.
As a further illustration of the above scheme, annular mounting groove is equipped on the sliding block, in the annular mounting groove
On be connected with sealing ring, when the sliding block blocks the unidirectional valve chamber water inlet, the sealing ring is pressed on described unidirectional
On valve chamber water inlet.
As a further illustration of the above scheme, the orientation block is fixed on the check valve intracavitary, in the orientation block
It was equipped with water through-hole, first boss is equipped at the middle part of the orientation block, second boss, institute is equipped at the middle part of the sliding block
Spring is stated to be connected between the first boss and the second boss.
As a further illustration of the above scheme, being equipped with through-hole among the first boss.
As a further illustration of the above scheme, the outer wall of the orientation block passes through O-ring and the check valve cavity wall
Sealing.
As a further illustration of the above scheme, the valve body is made of the left valve barrel and right valve barrel fitted together, institute
It states water inlet of hot water and the hot water outlet is molded on the left valve barrel, the cold water inlet and the cold water water outlet
It is molded on the right valve barrel；It is equipped with the first by-pass port on the left valve barrel, the second by-pass port is equipped on the right valve barrel,
First by-pass port connects together to form by-pass line with second by-pass port, and the unidirectional valve chamber is molded over the bypass
On pipeline.
The utility model also provides a kind of central heater system, including：Water heater is connected to hot water on the water heater
Pipeline, cold water pipes, be arranged on the hot water pipeline it is several use water spot, and will each water spot and the cold water pipe
The cold water branch pipe of road connection；The water heater carries to be equipped on circulating pump or one in the hot water pipeline, cold water pipes
Circulating pump；It is characterized in that, distalmost end it is described on water spot be equipped with anti-clogging check valve as described above.
As a further illustration of the above scheme, the water heater is gas heater, electric heater, air-source water heater
Or solar water heater.
The utility model has the beneficial effects that：
One, it by being equipped with several guide frames coordinated with check valve cavity wall on the sliding block, is tied in the guiding
There are gap between structure and the check valve cavity wall, between water flows through between the guide frame and the check valve cavity wall
Flow velocity becomes larger when gap, plays souring, can prevent incrustation scale from forming lamination, and the blocking of the check valve fundamentally solved is asked
Topic.
Two, by the way that the orientation block with water hole is arranged in the check valve intracavitary, sliding block is assisted using orientation block
Orientation, apparatus structure is simple, easy for installation, convenient for safeguarding.
Description of the drawings
Fig. 1 show anti-clogging one-way valve structures schematic diagram provided by the utility model.
Fig. 2 show anti-clogging one-way valve structures exploded view provided by the utility model.
Fig. 3 show slide block structure schematic diagram.
Fig. 4 show A-A sectional views in Fig. 3.
Fig. 5 show orientation block structure schematic diagram.
Fig. 6 show B-B sectional views in Fig. 5.
Fig. 7 show central hot-water system structural schematic diagram.
Reference sign：
1：Water inlet of hot water, 2：Hot water outlet, 3：Cold water inlet, 4：Cold water water outlet, 5：Unidirectional valve chamber, 6：It is sliding
Block, 7：Guide frame, 8-1：Left valve barrel, 8-2：Right valve barrel, 9：First by-pass port, 10：Second by-pass port, 11：Annular mounting groove,
12：Sealing ring, 13：Orientation block, 14：Spring, 15：Cross water through-hole, 16：First boss, 17：Second boss, 18：O-ring, 19：
Through-hole.
20：Water heater, 21：Hot water pipeline, 22：Cold water pipes, 23：With water spot, 24：Cold water branch pipe.
Specific implementation mode
In the description of the present invention, it should be noted that for the noun of locality, if any term "center", " transverse direction ",
" longitudinal direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top",
The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and position relationship are orientation based on ... shown in the drawings or position
Relationship is set, narration the utility model is merely for convenience of and simplifies to describe, do not indicate or imply the indicated device or element
It must have a particular orientation, constructed and operated with particular orientation, should not be understood as the specific protection model for limiting the utility model
It encloses.
In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy
The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include
One or more this feature, in the utility model description, " at least " is meant that one or more, unless otherwise bright
It is really specific to limit.
In the present invention, except as otherwise clear stipulaties and restriction, if any term " assembling ", " connected ", " connection " term
It should go to understand as broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can also be machine
Tool connects；It can be directly connected, can also be to be connected by intermediary, can be connected inside two elements.For
For those of ordinary skill in the art, it can understand that above-mentioned term in the present invention specific contains as the case may be
Justice.
In utility model, unless otherwise specified and limited, fisrt feature the "upper" of second feature or "lower" can be with
It is in direct contact including the first and second features, can also not be to be in direct contact but pass through it including fisrt feature and second feature
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature
Right over second feature and oblique upper, or it is only to indicate that fisrt feature level height is higher than the height of second feature.First
Feature second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only
Only indicate that fisrt feature level height is less than second feature.
Made by being further described to specific embodiment of the present utility model with reference to the attached drawing of specification
The technical solution of the utility model and advantage are clearer, clear.It is to show to describe embodiment below with reference to attached drawing
Example property, it is intended to explain the utility model, and should not be understood as limiting the present invention.
Check valve embodiment
As Figure 1-Figure 4, a kind of anti-clogging check valve, including：Including valve body, be provided on the valve body hot water into
The mouth of a river 1, hot water outlet 2, cold water inlet 3, cold water water outlet 4, in the water inlet of hot water 1 and the cold water inlet 4
Between be provided with unidirectional valve chamber 5；It is characterized in that, being equipped in the unidirectional valve chamber 5 and can block unidirectional valve chamber water inlet
Sliding block 6；Several guide frames 7 coordinated with check valve cavity wall are equipped on the sliding block 6, in the guide frame 7 and institute
State between check valve cavity wall that there are gaps.
Wherein, the valve body is made of the left valve barrel 8-1 and right valve barrel 8-2 fitted together, 1 He of the water inlet of hot water
The hot water outlet 2 is molded on the left valve barrel 8-1, and the cold water inlet 3 and the cold water water outlet 4 are molded over institute
It states on right valve barrel 8-2；It is equipped with the first by-pass port 9 on the left valve barrel 8-1, the second bypass is equipped on the right valve barrel 8-2
Mouth 10, first by-pass port 9 connect together to form by-pass line with second by-pass port 10, and the unidirectional valve chamber 5 is molded
On the by-pass line.In the present embodiment, opening all bores of preferably the first by-pass port 9 and the second by-pass port 10 become larger,
Unidirectional valve chamber 5 is just formed after the first by-pass port 9 and the second by-pass port 10 are docking together, processing and manufacturing is simple.
The sliding block 6 is rounded, and the guide frame 7 is integrally formed in the covering of the fan structure of 6 periphery of the sliding block.Institute
It states sliding block 6 and is equipped with annular mounting groove 11, sealing ring 12 is connected in the annular mounting groove 11, when the sliding block 6 is by institute
When stating unidirectional valve chamber water inlet and blocking, the sealing ring 12 is pressed on the unidirectional valve chamber water inlet.
Referring to figs 5 and 6, the orientation block 13 coordinated with the sliding block 6 is equipped on the valve body, in the orientation
Between block 13 and the sliding block 6 be equipped with spring 14, the sliding block 6 blocked under the action of the spring 14 the unidirectional valve chamber into
The mouth of a river.In the present embodiment, the orientation block 13 is fixed in the unidirectional valve chamber 5, and the outer wall of the orientation block 13 passes through O-ring
18 with 5 inner wall sealing of unidirectional valve chamber, be equipped with water through-hole 15 on the orientation block 13,13 pieces of middle part oriented described
Equipped with first boss 16, it is equipped with second boss 17 at the middle part of the sliding block 6, the spring 14 is connected to the first boss 16
Between the second boss 17.It is further preferred that through-hole 19 is additionally provided among the first boss 16, so as to certain
Guide rod is combined to use in special circumstances, versatility is good.
Compared with prior art, a kind of anti-clogging check valve provided in this embodiment, water flow through the covering of the fan structure and institute
Flow velocity becomes larger when stating the gap between check valve cavity wall, plays souring, can prevent incrustation scale from forming lamination, fundamentally
The blockage problem of the check valve of solution.Meanwhile by the way that the orientation block is arranged in the check valve intracavitary, apparatus structure is simple,
It is easy for installation, convenient for safeguarding.
Central hot-water system embodiment
As shown in fig. 7, a kind of central heater system, including：Water heater 20 is connected to hot-water line on the water heater 20
Road 21, cold water pipes 22, be arranged on the hot water pipeline 21 it is several use water spots 23, and will it is each it is described use water spot 23 and institute
State the cold water branch pipe 24 of the connection of cold water pipes 22；The water heater 20 carries circulating pump or in the hot water pipeline 21, cold water pipe
One in road 22 is equipped with circulating pump；It is characterized in that, in the described as described above anti-with being equipped on water spot 23 of distalmost end
Block check valve.
There are following two states when above-mentioned central hot-water system work：
If 1) with 23 opening water of water spot, hot water is flowed into from the hot water inlet of anti-clogging check valve, unidirectional from anti-clogging
The hot-water outlet of valve is flowed out, and to provide hot water with water spot 23, cold water is flowed into from the cold water inlet of anti-clogging check valve, from anti-clogging
Check valve goes out cold water outlet outflow, to provide cold water with water spot 23.
If 2) closed with water spot 23, warm-up cycle is carried out, hot water is flowed into from the hot water inlet of anti-clogging check valve, from anti-
The cold water inlet outflow for blocking check valve, then enters water heater circulating-heating through cold water branch pipe 24, cold water pipes 22.
In the present embodiment, the water heater is preferably gas heater, and in other embodiments, the hot water is electric heating
Hydrophone, air-source water heater or solar water heater, are not limited to the present embodiment.
From the foregoing description of structures and principles it should be understood by those skilled in the art that, the utility model
It is not limited to above-mentioned specific implementation mode, it is equal using the improvement of techniques well known and replacement on the basis of the utility model
It falls in the scope of protection of the utility model, the scope of protection of the utility model should be limited by each claim and its equivalent
It.
Claims (10)
1. a kind of anti-clogging check valve, including：Including valve body, be provided on the valve body water inlet of hot water, hot water outlet,
Cold water inlet, cold water water outlet are provided with unidirectional valve chamber between the water inlet of hot water and the cold water inlet；It is special
Sign is, the sliding block that can block unidirectional valve chamber water inlet is equipped in the check valve intracavitary；It is equipped with and list on the sliding block
Several guide frames coordinated to valve chamber inner wall, there are gaps between the guide frame and the check valve cavity wall.
2. a kind of anti-clogging check valve according to claim 1, which is characterized in that be equipped with and the cunning on the valve body
The orientation block of block cooperation, is equipped with spring, the sliding block is under the action of the spring between the orientation block and the sliding block
Block the unidirectional valve chamber water inlet.
3. a kind of anti-clogging check valve according to claim 1, which is characterized in that the sliding block is rounded, the guiding
Structure is integrally formed in the covering of the fan structure of the sliding block periphery.
4. a kind of anti-clogging check valve according to claim 1, which is characterized in that be equipped with annular installation on the sliding block
Slot is connected with sealing ring in the annular mounting groove, described close when the sliding block blocks the unidirectional valve chamber water inlet
Seal is pressed on the unidirectional valve chamber water inlet.
5. a kind of anti-clogging check valve according to claim 2, which is characterized in that the orientation block is fixed on described unidirectional
In valve chamber, it was equipped with water through-hole on the orientation block, first boss is equipped at the middle part of the orientation block, in the sliding block
Middle part is equipped with second boss, and the spring is connected between the first boss and the second boss.
6. a kind of anti-clogging check valve according to claim 5, which is characterized in that be equipped among the first boss logical
Hole.
7. a kind of anti-clogging check valve according to claim 5, which is characterized in that the outer wall of the orientation block passes through O-shaped
Circle is sealed with the check valve cavity wall.
8. a kind of anti-clogging check valve according to claim 1, which is characterized in that the valve body is by the left side that fits together
Valve body and right valve barrel are constituted, and the water inlet of hot water and the hot water outlet are molded on the left valve barrel, the cold water into
The mouth of a river and the cold water water outlet are molded on the right valve barrel；The first by-pass port is equipped on the left valve barrel, on the right side
Valve body is equipped with the second by-pass port, and first by-pass port connects together to form by-pass line with second by-pass port, described
Unidirectional valve chamber is molded on the by-pass line.
9. a kind of central hot-water system, including：Water heater, is connected to hot water pipeline, cold water pipes on the water heater, and setting exists
Several on the hot water pipeline use water spot, and by each cold water branch pipe being connected to the cold water pipes with water spot；Institute
State that water heater carries circulating pump or one in the hot water pipeline, cold water pipes upper is equipped with circulating pump；It is characterized in that,
The anti-clogging check valve being equipped with water spot as described in any one of claim 1-8 of distalmost end.
10. a kind of central hot-water system according to claim 9, which is characterized in that the water heater be gas heater,
Electric heater, air-source water heater or solar water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721587156.XU CN207621427U (en) | 2017-11-24 | 2017-11-24 | A kind of anti-clogging check valve and central hot-water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721587156.XU CN207621427U (en) | 2017-11-24 | 2017-11-24 | A kind of anti-clogging check valve and central hot-water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621427U true CN207621427U (en) | 2018-07-17 |
Family
ID=62824038
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721587156.XU Active CN207621427U (en) | 2017-11-24 | 2017-11-24 | A kind of anti-clogging check valve and central hot-water system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940042A (en) * | 2017-11-24 | 2018-04-20 | 广东万家乐燃气具有限公司 | A kind of anti-clogging check valve and central hot-water system |
| CN114851253A (en) * | 2022-04-29 | 2022-08-05 | 上海北元剪毛工具有限公司 | Wool scissors with strong cooling function |
-
2017
- 2017-11-24 CN CN201721587156.XU patent/CN207621427U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940042A (en) * | 2017-11-24 | 2018-04-20 | 广东万家乐燃气具有限公司 | A kind of anti-clogging check valve and central hot-water system |
| CN107940042B (en) * | 2017-11-24 | 2024-04-05 | 广东万家乐燃气具有限公司 | Anti-blocking one-way valve and central hot water system |
| CN114851253A (en) * | 2022-04-29 | 2022-08-05 | 上海北元剪毛工具有限公司 | Wool scissors with strong cooling function |
| CN114851253B (en) * | 2022-04-29 | 2024-02-09 | 上海北元剪毛工具有限公司 | Wool scissors with strong cooling function |
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