CN107940044A - A kind of differential pressure open-close check-valves - Google Patents
A kind of differential pressure open-close check-valves Download PDFInfo
- Publication number
- CN107940044A CN107940044A CN201711255046.8A CN201711255046A CN107940044A CN 107940044 A CN107940044 A CN 107940044A CN 201711255046 A CN201711255046 A CN 201711255046A CN 107940044 A CN107940044 A CN 107940044A
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- CN
- China
- Prior art keywords
- fixedly connected
- spring
- force
- differential pressure
- flap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of differential pressure open-close check-valves, including valve deck and valve body, the valve deck is fixedly connected with valve body by fixing nut, the valve deck lower right is provided with second spring device, second spring is fixedly connected with the second spring device, second piston is fixedly connected with below the second spring, the second force-guided stem is fixedly connected with below the second piston, water outlet is installed on the right side of second force-guided stem, flap base is fixedly connected with below second force-guided stem, the flap base lower end is provided with rubber baffle, the flap base upper end is provided with flap, first pulley is fixedly connected with above the flap, the first pulley left end is provided with the first spring assembly.The differential pressure open-close check-valves, good leak tightness, pipeline is unimpeded, science of a tightly knit structure, and installation is simple, and maintenance is easy to use, being capable of effectively cost-effective and resource.
Description
Technical field
The invention belongs to check-valves technical field, and in particular to a kind of differential pressure open-close check-valves.
Background technology
Check-valves refers to flow in itself by medium and automatic open and close flap, for preventing the valve of medium refluence, also known as
Non-return valve, check valve, reflux valve and counterbalance valve.Check-valves belongs to a kind of automatic valve, its main function be prevent medium flow backwards,
Prevent pump and drive motor reversion, and vessel media from releasing.Check-valves can also be used to rise to pressure therein
Auxiliary system more than system pressure is provided on the pipeline of supply.Check-valves can be divided mainly into swing check valve (being rotated according to center of gravity)
(moved with lift check valve along axis).
Existing check-valves is since the valve base channel of connection intake channel and exit passageway is smaller, fluid in use
In impurity long-term accumulation easily block valve base channel, make valve cisco unity malfunction, at the same the flap of check-valves and valve seat it
Between poor sealing performance, it is and complicated, it is not easy to install, the differential pressure open-close check-valves, good leak tightness, pipeline is unimpeded, and structure is tight
Sincerely, installation is simple, and maintenance is easy to use, being capable of cost-effective and resource.
The content of the invention
It is an object of the invention to provide a kind of differential pressure open-close check-valves, to solve proposed in the above background technology ask
Topic.
To achieve the above object, the present invention provides following technical solution：A kind of differential pressure open-close check-valves, including valve deck and valve
Body, the valve deck are fixedly connected with valve body by fixing nut, and the valve deck lower right is provided with second spring device, and described
Second spring is fixedly connected with two spring assemblies, second piston is fixedly connected with below the second spring, described second lives
Plug lower section is fixedly connected with the second force-guided stem, and water outlet, the second force-guided stem lower section are provided with the right side of second force-guided stem
Flap base is fixedly connected with, the flap base lower end is provided with rubber baffle, and the flap base upper end is provided with flap,
First pulley is fixedly connected with above the flap, the first pulley left end is provided with the first spring assembly, first bullet
Spring device left end is fixedly connected with the first spring firm banking, and the first spring firm banking lower end is provided with high press-in water
Mouthful, solid impurity collection funnel is installed at the high pressure water inlet lower right corner, the solid impurity collection funnel lower end is fixed
It is connected with funnel bottom piston.
Preferably, second force-guided stem is provided with second pulley with flap base junction.
Preferably, the first force-guided stem is installed on the left of the first pulley, is fixedly connected with the left of first force-guided stem
First piston.
Preferably, it is fixedly connected with the first spring on the left of the first piston.
Preferably, the high pressure water inlet is provided with curved pipe.
Preferably, the funnel bottom piston lower portion is fixedly connected with blow-off pipe, and the blow-off pipe right end is provided with blowdown
Mouthful.
The technique effect and advantage of the present invention：The differential pressure open-close check-valves, valve deck is fixed with valve body by fixing nut to be connected
Connect, can be easily disassembled when the differential pressure open-close check-valves goes wrong, maintenance is more convenient；High pressure water inlet is provided with curved
Pipe, plays the role of hydraulic pressure one buffering, curved pipe lower end is provided with solid impurity collection funnel, for collecting in liquid
Solid impurity；When left end hydraulic pressure is excessive, pressure has driven the movement of flap, and current start to flow, simple in structure, rigorous section
Learn；It is provided with while rubber stop plays cushioning effect and also functions to closed effect.The differential pressure open-close check-valves, good leak tightness,
Pipeline is unimpeded, of a tightly knit structure, and installation is simple, and maintenance is easy to use, being capable of cost-effective and resource.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the valve cover structure schematic top plan view of the present invention.
In figure：1 fixing nut, 2 water outlets, 3 second springs, 4 second pistons, 5 sewage draining exits, 6 first spring firm bankings,
7 second force-guided stems, 8 flaps, 9 first force-guided stems, 10 second spring devices, 11 first pulleys, 12 rubber baffles, 13 second are slided
Wheel, 14 flap bases, 15 first springs, 16 curved pipes, 17 first pistons, 18 high pressure water inlets, 19 solid impurity collection funnels,
20 funnel bottom pistons, 21 blow-off pipes, 22 valve decks, 23 valve bodies, 24 first spring assemblies.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is the structure diagram of the present invention, a kind of differential pressure open-close check-valves, including valve deck 22 and valve body
23, the valve deck 22 is fixedly connected with valve body 23 by fixing nut 1, and 22 lower right of valve deck is provided with second spring device
10, spring assembly 10 plays the role of prevention when high pressure water flow comes, and second is fixedly connected with the second spring device 10
Spring 3, second spring 3 provide strength, and the lower section of the second spring 3 is fixedly connected with second piston 4, under the second piston 4
Side is fixedly connected with the second force-guided stem 7, by the strength transmission of spring, acts on flap base 14, the right side of the second force-guided stem 7
Water outlet 2 is installed, the lower section of the second force-guided stem 7 is fixedly connected with flap base 14,14 lower end of the flap base installation
There is rubber baffle 12, rubber baffle 12 has the function that buffering with preventing current from flowing, and 14 upper end of flap base is provided with
Flap 8, for leading to high pressure water flow, the top of flap 8 is fixedly connected with first pulley 11, is cleverly revolved when there is high pressure water flow
Turn, drive the movement of rubber baffle 12,11 left end of first pulley is provided with the first spring assembly 24, the first spring dress
Put 24 left ends and be fixedly connected with the first spring firm banking 6, play fixed effect, 6 lower end of the first spring firm banking
High pressure water inlet 18 is installed, solid impurity collection funnel 19 is installed at 18 lower right corner of high pressure water inlet, for collecting
The interior solid impurity of high pressure water flow, 19 lower end of solid impurity collection funnel are fixedly connected with funnel bottom piston 20, allow
Water flowing is not affected, and second force-guided stem 7 is provided with second pulley 13, the first pulley with 14 junction of flap base
11 left sides are provided with the first force-guided stem 9, and the left side of the first force-guided stem 9 is fixedly connected with first piston 17, strength is transmitted, institute
State the left side of first piston 17 and be fixedly connected with the first spring 15, put forward enough strength, curved pipe is installed at the high pressure water inlet 18
16, play the role of buffering to current, be also easier to blowdown, 20 lower part of funnel bottom piston is fixedly connected with blow-off pipe
21, for not working when exports solid impurity therein, and 21 right end of blow-off pipe is provided with sewage draining exit 5.
Referring to Fig. 2, Fig. 2 is the valve cover structure schematic top plan view of the present invention, 22 4 jiaos of the valve deck is provided with fixed spiral shell
Mother 1, fixing nut 1 is symmetrically installed.
Operation principle：High pressure water flow enters from high pressure water inlet 18, forms pressure differential, promotes the flap base at this time of flap 8
14 move up and have driven first pulley 11 to be moved to the left, and allow current to form an open-circuit condition, solid in current in water flow process
Body impurity can fall into solid impurity collection funnel 19, when not working, be collected by blow-off pipe 21, when hydraulic pressure is relatively low or does not have
Sometimes, flap base 14 causes flap 8 to be in closure state under the action of 10 power of second spring device, and from water outlet 2 not
It can flow into the differential pressure open-close check-valves.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
Within the spirit and principles of the invention, any modification, equivalent replacement, improvement and so on, should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of differential pressure open-close check-valves, including valve deck (22) and valve body (23), it is characterised in that：The valve deck (22) and valve body
(23) it is fixedly connected by fixing nut (1), valve deck (22) lower right is provided with second spring device (10), and described second
Second spring (3) is fixedly connected with spring assembly (10), second piston (4) is fixedly connected with below the second spring (3),
The second force-guided stem (7) is fixedly connected with below the second piston (4), water outlet is installed on the right side of second force-guided stem (7)
(2), flap base (14) is fixedly connected with below second force-guided stem (7), flap base (14) lower end is provided with rubber
Glue baffle (12), flap base (14) upper end are provided with flap (8), the first cunning are fixedly connected with above the flap (8)
Take turns (11), first pulley (11) left end is provided with the first spring assembly (24), and the first spring assembly (24) left end is solid
Surely the first spring firm banking (6) is connected with, the first spring firm banking (6) lower end is provided with high pressure water inlet (18),
Solid impurity collection funnel (19), the solid impurity collection funnel (19) are installed at high pressure water inlet (18) lower right corner
Lower end is fixedly connected with funnel bottom piston (20).
A kind of 2. differential pressure open-close check-valves according to claim 1, it is characterised in that：Second force-guided stem (7) and valve
Valve base (14) junction is provided with second pulley (13).
A kind of 3. differential pressure open-close check-valves according to claim 1, it is characterised in that：Peace on the left of the first pulley (11)
Equipped with the first force-guided stem (9), first piston (17) is fixedly connected with the left of first force-guided stem (9).
A kind of 4. differential pressure open-close check-valves according to claim 3, it is characterised in that：It is solid on the left of the first piston (17)
Surely it is connected with the first spring (15).
A kind of 5. differential pressure open-close check-valves according to claim 1, it is characterised in that：High pressure water inlet (18) the place peace
Equipped with curved pipe (16).
A kind of 6. differential pressure open-close check-valves according to claim 1, it is characterised in that：Under the funnel bottom piston (20)
Portion is fixedly connected with blow-off pipe (21), and blow-off pipe (21) right end is provided with sewage draining exit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711255046.8A CN107940044A (en) | 2017-12-02 | 2017-12-02 | A kind of differential pressure open-close check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711255046.8A CN107940044A (en) | 2017-12-02 | 2017-12-02 | A kind of differential pressure open-close check-valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107940044A true CN107940044A (en) | 2018-04-20 |
Family
ID=61947508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711255046.8A Withdrawn CN107940044A (en) | 2017-12-02 | 2017-12-02 | A kind of differential pressure open-close check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107940044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112915849A (en) * | 2021-02-21 | 2021-06-08 | 安徽妮妮农业科技有限公司 | Sweet potato vermicelli processing mixes machine |
-
2017
- 2017-12-02 CN CN201711255046.8A patent/CN107940044A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112915849A (en) * | 2021-02-21 | 2021-06-08 | 安徽妮妮农业科技有限公司 | Sweet potato vermicelli processing mixes machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180420 |
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| WW01 | Invention patent application withdrawn after publication |