CN207278953U - A kind of silent check valve - Google Patents
A kind of silent check valve Download PDFInfo
- Publication number
- CN207278953U CN207278953U CN201721300150.XU CN201721300150U CN207278953U CN 207278953 U CN207278953 U CN 207278953U CN 201721300150 U CN201721300150 U CN 201721300150U CN 207278953 U CN207278953 U CN 207278953U
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- China
- Prior art keywords
- valve
- valve body
- sealing plate
- valve seat
- valve rod
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Abstract
The utility model discloses a kind of silent check valve, including valve body, the valve body is internally provided with valve chamber, the left and right ends of the valve body are respectively equipped with inlet and outlet, the left and right end face of the valve body is respectively equipped with first flange and second flange, the inside of the valve body is fixedly connected with valve seat by blade, the valve seat is internally provided with spring, one end of the spring is connected with valve rod, running through on the valve rod has pilot sleeve, the pilot sleeve is fixedly connected on valve seat, the left end of the valve rod is connected with sealing plate, the contact position of the sealing plate and valve body is equipped with sealing ring, through hole is further opened with the valve seat.By being further opened with through hole on valve seat, so as to balance inside and outside differential pressure, the flexibility of valve rod is improved, contraction speed is fast, and cut-off effect is good, and the contact surface of sealing plate and sealing ring is taper, sealing plate and sealing ring are fitted closely, ensures sealing performance, there is very high practicality.
Description
Technical field
Valve technology field is the utility model is related to, is specially a kind of silent check valve.
Background technology
Valve is that one or more openings or passage are blocked come open and close or partly using a movable part, make liquid stream,
Air stream or other air-flows or a large amount of bulk materials can flow out, block or a kind of adjusted device.Silent check valve is
Refer to and flowed in itself and automatic open and close flap by medium, for preventing valve that medium is flow backwards, be also known as non-return valve, check valve, inverse
Flow valve and counterbalance valve.Check-valves belongs to a kind of automatic valve, its main function is to prevent medium from flowing backwards, preventing from pumping and drive electricity
Motivation inverts, and vessel media is released.
Due to inside and outside differential pressure, the flexible performance that traditional silent check valve valve rod is shunk is poor, and structure compares
It is fixed, there is certain limitation.
The content of the invention
The purpose of this utility model is to provide a kind of silent check valve, to solve proposed in the above background technology ask
Topic.
To achieve the above object, the utility model provides following technical solution：A kind of silent check valve, including valve body, institute
The valve chamber that is internally provided with of valve body is stated, the left and right ends of the valve body are respectively equipped with inlet and outlet, the left and right end face of the valve body
Be respectively equipped with first flange and second flange, the inside of the valve body is fixedly connected with valve seat by blade, the valve seat it is interior
Portion is equipped with spring, and one end of the spring is connected with valve rod, and running through on the valve rod has pilot sleeve, and the pilot sleeve is fixed
Valve seat is connected to, the left end of the valve rod is connected with sealing plate, and the contact position of the sealing plate and valve body is equipped with sealing ring, described
Through hole is further opened with valve seat.
Preferably, the junction of the spring and valve rod is equipped with limited block.
Preferably, the blade annular is distributed on valve seat, and the blade is welded in valve seat and valve body.
Preferably, the section of the sealing plate is circle, and the contact surface of the sealing plate and sealing ring is taper.
Preferably, clearance fit of the valve rod vertical welding between sealing plate, the valve rod and pilot sleeve.
Compared with prior art, the beneficial effects of the utility model are：The utility model structure is novel, easy to operate, valve
The left and right end face of body is respectively equipped with first flange and second flange, and convenient external with pipeline, the left and right ends of valve body are respectively equipped with
Inlet and outlet, the circulating direction of medium is from import to outlet, and the non-return direction of medium is from import is exported to, by valve
Through hole is further opened with seat, so as to balance inside and outside differential pressure, improves the flexibility of valve rod, contraction speed is fast, and cut-off effect is good, sealing
The contact surface of plate and sealing ring is taper, fits closely sealing plate and sealing ring, ensures sealing performance, has very high practicality
Property, a kind of use feature of silent check valve is greatly improved, ensures its using effect and utilization benefit, is adapted to push away extensively
Extensively.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of silent check valve of the utility model；
Fig. 2 is structure diagram when a kind of sealing plate of silent check valve of the utility model is opened；
Fig. 3 is a kind of A-A schematic cross-sectional views of silent check valve of the utility model.
In figure：1 valve body, 2 imports, 3 outlets, 4 first flanges, 5 second flanges, 6 valve chambers, 7 blades, 8 valve seats, 9 springs, 10
Valve rod, 11 limited blocks, 12 pilot sleeves, 13 sealing plates, 14 sealing rings, 15 through holes.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of silent check valve, including valve body 1, it is described
Valve body 1 is internally provided with valve chamber 6, and the left and right ends of the valve body 1 are respectively equipped with import 2 and outlet 3, the left and right of the valve body 1
End face is respectively equipped with first flange 4 and second flange 5, and the inside of the valve body 1 is fixedly connected with valve seat 8 by blade 7, described
Valve seat 8 is internally provided with spring 9, and one end of the spring 9 is connected with valve rod 10, and running through on the valve rod 10 has pilot sleeve
12, the pilot sleeve 12 is fixedly connected on valve seat 8, and the left end of the valve rod 10 is connected with sealing plate 13, the sealing plate 13
Sealing ring 14 is equipped with the contact position of valve body 1, through hole 15, the connection of the spring 9 and valve rod 10 are further opened with the valve seat 8
Place is equipped with limited block 11, and for 7 annular spread of blade on valve seat 8, the blade 7 is welded in valve seat 8 and valve body 1, described close
The section of sealing plate 13 for circle, the contact surface of the sealing plate 13 and sealing ring 14 is taper, 10 vertical welding of valve rod in
Sealing plate 13, the clearance fit between the valve rod 10 and pilot sleeve 12.
Operation principle：In use, the left and right end face of valve body 1 is respectively equipped with first flange 4 and second flange 5, convenient and pipe
Road is external, and the left and right ends of valve body 1 are respectively equipped with import 2 and outlet 3, and the circulating direction of medium is from import 2 to outlet 3, is situated between
The non-return direction of matter is from outlet 3 to import 2, by being further opened with through hole 15 on valve seat 8, so as to balance inside and outside differential pressure, is carried
The flexibility of high valve rod 10, contraction speed is fast, and cut-off effect is good, and the contact surface of sealing plate 13 and sealing ring 14 is taper, is made close
Sealing plate 13 and sealing ring 14 fit closely, and ensure sealing performance, have very high practicality.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of silent check valve, including valve body（1）, it is characterised in that：The valve body（1）Be internally provided with valve chamber（6）, it is described
Valve body（1）Left and right ends be respectively equipped with import（2）And outlet（3）, the valve body（1）Left and right end face be respectively equipped with the first method
It is blue（4）And second flange（5）, the valve body（1）Inside pass through blade（7）It is fixedly connected with valve seat（8）, the valve seat（8）
Be internally provided with spring（9）, the spring（9）One end be connected with valve rod（10）, the valve rod（10）Above running through has guide sleeve
Cylinder（12）, the pilot sleeve（12）It is fixedly connected on valve seat（8）, the valve rod（10）Left end be connected with sealing plate（13）,
The sealing plate（13）And valve body（1）Contact position be equipped with sealing ring（14）, the valve seat（8）On be further opened with through hole（15）.
A kind of 2. silent check valve according to claim 1, it is characterised in that：The spring（9）And valve rod（10）Company
Meet place and be equipped with limited block（11）.
A kind of 3. silent check valve according to claim 1, it is characterised in that：The blade（7）Annular spread is in valve seat
（8）On, the blade（7）It is welded in valve seat（8）And valve body（1）.
A kind of 4. silent check valve according to claim 1, it is characterised in that：The sealing plate（13）Section for circle
Shape, the sealing plate（13）And sealing ring（14）Contact surface be taper.
A kind of 5. silent check valve according to claim 1, it is characterised in that：The valve rod（10）Vertical welding is in sealing
Plate（13）, the valve rod（10）And pilot sleeve（12）Between clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721300150.XU CN207278953U (en) | 2017-10-10 | 2017-10-10 | A kind of silent check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721300150.XU CN207278953U (en) | 2017-10-10 | 2017-10-10 | A kind of silent check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278953U true CN207278953U (en) | 2018-04-27 |
Family
ID=61989135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721300150.XU Active CN207278953U (en) | 2017-10-10 | 2017-10-10 | A kind of silent check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278953U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343764A (en) * | 2018-05-04 | 2018-07-31 | 范科晨 | A kind of check-valves that impact-resistant abrasion-proof performance is high |
| CN108936951A (en) * | 2018-07-18 | 2018-12-07 | 张冰冰 | A kind of movement basketball shoes of good permeability |
| CN113210155A (en) * | 2021-05-13 | 2021-08-06 | 江西华尔达线缆股份有限公司 | Enameled wire paint spraying equipment |
| CN115256833A (en) * | 2022-07-01 | 2022-11-01 | 西诺控股集团有限公司 | Structure capable of accurately controlling pre-molding back pressure |
-
2017
- 2017-10-10 CN CN201721300150.XU patent/CN207278953U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343764A (en) * | 2018-05-04 | 2018-07-31 | 范科晨 | A kind of check-valves that impact-resistant abrasion-proof performance is high |
| CN108936951A (en) * | 2018-07-18 | 2018-12-07 | 张冰冰 | A kind of movement basketball shoes of good permeability |
| CN113210155A (en) * | 2021-05-13 | 2021-08-06 | 江西华尔达线缆股份有限公司 | Enameled wire paint spraying equipment |
| CN113210155B (en) * | 2021-05-13 | 2022-04-22 | 江西华尔达线缆股份有限公司 | Enameled wire paint spraying equipment |
| CN115256833A (en) * | 2022-07-01 | 2022-11-01 | 西诺控股集团有限公司 | Structure capable of accurately controlling pre-molding back pressure |
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| GR01 | Patent grant |