CN207364351U - A kind of check valve - Google Patents
A kind of check valve Download PDFInfo
- Publication number
- CN207364351U CN207364351U CN201720928695.9U CN201720928695U CN207364351U CN 207364351 U CN207364351 U CN 207364351U CN 201720928695 U CN201720928695 U CN 201720928695U CN 207364351 U CN207364351 U CN 207364351U
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- valve
- valve body
- water inlet
- rhone
- spool
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Abstract
The utility model discloses a kind of check valve, including valve body and spool, the valve chamber for spool activity is equipped with the middle part of valve body, valve body both ends are equipped with water inlet and water outlet, and water inlet, valve chamber and water outlet are connected；It is equipped with valve chamber：Baffle, for preventing spool departs from valve chamber from entering water outlet, baffle is located at valve chamber close to one end of water outlet；Collar, compresses when being moved for spool to water inlet and seals water inlet, and collar is located at valve chamber close to one end of water inlet；Rhone, for water from the side of spool by the way that rhone is embedded at the inner wall surface of valve chamber, and rhone one end is connected with water outlet, and the rhone other end is terminated at collar, and draining channel opening is towards inside valve chamber；Rhone penetrates baffle, and spool is single free movable sphere, by water inlet or water outlet flow action on spool, spool is set to be moved in valve chamber, play open check valve or close the purpose of check valve, and valve core structure is simple, there is no stuck and abrasion phenomenon.
Description
Technical field
Valving technical field is the utility model is related to, is specially a kind of check valve.
Background technology
With raising of the raising and statutory rules of the awareness of safety of people to safety requirements, check valve more and more makes
In the pipeline of each row, to ensure to produce stable and security needs.Various to the species of check valve at present, state in use appoints
So there are problems that.Check valve is that fluid can only be flowed along water inlet, and water outlet medium can not but flow back, and check valve is also known as only
Valve or non-return valve are returned, for preventing oil stream reverse flow in hydraulic system, or for preventing that compressed air is inverse in pneumatic system
To flowing.
Current check valve is all by the reset of spring and resetting-mechanism with movable valve plug, realizes that fluid unidirectionally flows in pipeline
Dynamic purpose, existing one-way valve structures are complicated, cost is higher, specific mechanism are provided with to some special fluids, defeated
Resetting-mechanism is easily stuck during sending, wears, and finally results in spool and destroys and fail.The spool of common check valve is to coordinate
Spring assembly formed one for liquid or gas circulation structure, elastic fatigue occurs in spring unavoidably, makes spool and water inlet
The leakproofness of mouth is poor, causes current to flow back.Water outlet can be blocked when spool moves in valve chamber unavoidably, causes current not flow
Go out.Spool is mostly corrosion resistant metal material, heavier, and when the hydraulic pressure of water inlet one end is insufficient, current can not promote spool
Movement, causes current not circulate, and such check valve mouth down that can only generally intake is put, relatively simple.
Utility model content
The purpose of this utility model is to provide for a kind of check valve, spool for single freely activity sphere, by into
The mouth of a river or water outlet flow action make spool be moved in valve chamber on spool, play open check valve or close check valve
Purpose, and valve core structure is simple, there is no stuck and abrasion phenomenon.
In order to realize foregoing invention purpose, the utility model employs following technical scheme：A kind of check valve, including valve body
And spool, valve body middle part are equipped with the valve chamber for spool activity, valve body both ends are equipped with water inlet and water outlet, water inlet, valve chamber
It is connected with water outlet；It is equipped with valve chamber
- baffle, for preventing spool departs from valve chamber from entering water outlet, baffle is located at valve chamber close to one end of water outlet；
- collar, compresses when being moved for spool to water inlet and seals water inlet, and collar is located at valve chamber close to water inlet
One end；
- rhone, for water from the side of spool by the way that rhone is embedded at the inner wall surface of valve chamber, rhone one end
Connected with water outlet, the rhone other end is terminated at collar, and draining channel opening is towards inside valve chamber；Rhone penetrates baffle.
Compared with prior art, a kind of check valve of above-mentioned technical proposal is employed, is had the advantages that：
Realize that fluid flows to unidirectionally controlled with the movement of fluid in valve chamber by single spherical spool, it is simple in structure,
Control is stablized, and there is no the strain of the elastic components such as spring, rubber.
Its course of work is as follows：
When water inlet hydraulic pressure is more than water outlet, current flow to water outlet by water inlet, and spool is by flow action, by current band
To being pressed against at baffle, since rhone one end is connected with water outlet, fluid flows through baffle sidepiece from rhone, and fluid is from valve chamber
Into water outlet, the one-way flow of fluid is realized.
When water outlet hydraulic pressure is more than water inlet, current flow to water inlet by water outlet, and spool is taken to card by flow action
At circle, since rhone end is terminated at collar, the pressure of current is all concentrated in valve chamber, without through collar enter into
At the mouth of a river, can not pressure release, therefore spool is firmly pressed at collar, spool and collar is sealed valve chamber and water inlet, prevent
Sealing stream is flow backwards.
Preferably, valve body includes separately positioned upper valve body and lower valve body, it is convenient to mount and dismount, processing and manufacturing is faster；Water inlet
Mouth is located at upper valve body, and water outlet is located at lower valve body, and upper valve body is equipped with buckle slot towards one end of lower valve body, and lower valve body is towards upper valve
One end of body is equipped with buckle, and buckle is fastened and connected with buckle slot, and sealing ring is equipped between buckle and buckle slot, passes through buckle and card
Catching groove is fastened and connected, and makes the connection of upper valve body and lower valve body even closer, and sealing ring is equipped between buckle and buckle slot,
The loosening situation that sealing ring effectively prevents upper valve body and lower valve body occurs in this connection, improves leakproofness, ensures valve body
Normal work.
Preferably, upper valve body is equipped with the groove for being used for collar and fixing towards one end of valve chamber, between adjacent rhone
Raised guiding rib is formed, guiding rib plays guiding role when spool moves in valve chamber, enables spool straight along guiding rib
Go up straight lower or move along a straight line back and forth；The rand pressing firmly will between groove and guiding rib end by guiding rib
Rand pressing increases it and fixes, avoid collar from coming off in groove；When spherical valve core is pressed against water inlet close to one end of valve chamber
When, spherical valve core spherical calotte is against in collar, and the rand pressing being pressed between groove and guiding rib end simultaneously seals water inlet
Mouthful, prevent current from flowing back.
If baffle is planar structure, spool by flow action can in the upper progressive rolling movement where baffle, produce vibration and
Noise, preferably, baffle is equipped with limiting slot towards the surface of water inlet, when spherical valve core is pressed against baffle by water inlet current
When upper, spool, which can be embedded into limiting slot, no longer to be rocked and moves, and avoids producing noise.
In order to ensure valve body, spherical valve core service life it is longer, preferably, the upper valve body, lower valve body, spherical
Spool, is resistant material.
If spherical valve core is metal, metal spool can be moved down with gravity, and water outlet hydraulic pressure is little, and metal ball is spherical
Spool can not be pressed against on collar by current, it is therefore necessary to which mouth down of intaking is put, and causes its placing direction to be limited (nothing
The mode of method such as Fig. 1 is put), therefore preferably, the spherical valve core is made of plastics, the spherical valve core of plastic material
Without too big hydraulic pressure with regard to spherical valve core can be promoted to be moved in valve chamber, and spherical valve core can be certainly for the valve body of plastic material
By angle put, nondirectional limitation.
Brief description of the drawings
Fig. 1 is a kind of cross-sectional view of check valve inactive state lower valve body of the present embodiment utility model；
Fig. 2 is the cross-sectional view of working status lower valve body in the present embodiment；
Fig. 3 is the combining structure schematic diagram of valve body in the present embodiment；
Fig. 4 is the cross-sectional view of upper valve body in the present embodiment；
Fig. 5 is the cross-sectional view of lower valve body in the present embodiment；
Fig. 6 is a kind of profile of check valve in the present embodiment；
Reference numeral：1st, upper valve body；101st, water inlet；2nd, sealing ring；3rd, collar；4th, spherical valve core；5th, lower valve body；501、
Rhone；502nd, baffle；503rd, water outlet；504th, valve chamber；505th, it is buckled；506th, groove；507th, guiding rib；508th, limiting slot.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
A kind of check valve as shown in Fig. 1 to 5, mainly includes valve body and spool, valve body includes a upper valve body 1 and one
Lower valve body 2, upper valve body 1 are equipped with perforative water inlet 101, perforative water outlet 503 are equipped with lower valve body 5；It is equipped with lower valve body 5
Valve chamber 504, valve chamber inner wall form the guiding rib 507 of protrusion, and 507 circumference of guiding rib is arranged on 504 inner wall of valve chamber, guiding rib 507
Between form rhone 501, baffle 502 is located at valve chamber 504 and penetrates baffle 502 close to one end of water inlet 101, rhone 501,
Collar 3 is pressed between 507 end of groove 506 and guiding rib, and spherical valve core 4 is arranged in valve chamber 504.
When water inlet 101 is intake, the spool 4 in valve chamber 504 is subject to the current work by water inlet 101 to water outlet 503
With, spool 4 is moved downwardly to along the guiding rib 507 in valve chamber 504 is bonded 502 surface of baffle, while embedded baffle surface
In limiting slot 508, positioning of the limiting slot 508 to spool 4 is completed.The rhone 501 of current from 502 surrounding of baffle flows out at this time
Water outlet 503.
When water outlet 503 is intake, since current by water outlet 503 flow to water inlet 101, spool 4 is by flow action, quilt
At band to collar 3, since 501 end of rhone is terminated at collar 3, the pressure of current is all concentrated in valve chamber 504, makes spool
4 are firmly pressed at collar 3, spool 4 and collar 3 is firmly sealed valve chamber 504 and water inlet 101, prevent current from flowing backwards.
Spherical valve core 4 is freely arranged in valve chamber 504, can compress water inlet by the water jet propulsion spherical valve core 4 of reflux
101, realize sealing with collar 3, the spool that instead of some check valves in the prior art retracts spool by the elastic force of spring
To realize unidirectional fluid stopping effect, spherical valve core 4 is the resistant material of plastic material, on the one hand, the spherical valve core 4 of plastic material
Low pressure or a certain amount of hydraulic pressure is only needed to be promoted, and valve body with free angle can put, and avoid metal
Spool have to high pressure could promote valve core movement realize it is through-flow (valve body of metal spool must water inlet 101 carry out downward
Put, because metal spool self gravitation is heavier, compress or seal water inlet by gravity mostly, put more single).
The buckle 505 of lower valve body 5 is fastened and connected with the buckle slot 102 of upper valve body 1, and buckle 505 is firmly fastened on card
In catching groove 102, and it is buckled between 505 and buckle slot 102 and is equipped with sealing ring 2, sealing ring 2 plays the role of sealing, in this way,
When hydraulic pressure is produced in valve body, valve body would not loosen, and influence the normal work of valve body.
The above makes the preferred embodiment of the utility model, does not depart from for those of ordinary skill in the art
On the premise of the utility model principle, some variations and modifications can also be made, these also should be regarded as the protection of the utility model
Scope.
Claims (6)
1. a kind of check valve, including valve body and spherical valve core（4）, valve body middle part, which is equipped with, is used for spherical valve core（4）The valve chamber of activity
（504）, valve body both ends are equipped with water inlet（101）And water outlet（503）, water inlet（101）, valve chamber（504）And water outlet（503）
It is connected；It is characterized in that：Valve chamber（504）Inside it is equipped with
- baffle（502）, for preventing spherical valve core（4）Depart from valve chamber（504）Into water outlet（503）, baffle（502）It is located at
Valve chamber（504）Close to water outlet（503）One end；
- collar（3）, for spherical valve core（4）To water inlet（101）Compress when mobile and seal water inlet（101）, collar（3）
Positioned at valve chamber（504）Close to water inlet（101）One end；
- rhone（501）, for water from spherical valve core（4）Side pass through rhone（501）It is embedded at valve chamber（504）It is interior
Wall surface, rhone（501）One end and water outlet（503）Connection, rhone（501）The other end terminates in collar（3）Place, rhone
（501）It is open towards valve chamber（504）It is internal；Rhone（501）Penetrate baffle（502）.
A kind of 2. check valve according to claim 1, it is characterised in that：Valve body includes separately positioned upper valve body（1）With
Lower valve body（5）, water inlet（101）Positioned at upper valve body（1）, water outlet（503）Positioned at lower valve body（5）；Upper valve body（1）Towards lower valve
Body（5）One end be equipped with buckle slot（102）, lower valve body（5）Towards upper valve body（1）One end be equipped with buckle（505）, buckle
（505）With buckle slot（102）It is fastened and connected, is buckled（505）With buckle slot（102）Between be equipped with sealing ring（2）.
A kind of 3. check valve according to claim 1, it is characterised in that：Upper valve body（1）Towards valve chamber（504）One end set
It is useful for collar（3）Fixed groove（506）, adjacent rhone（501）Between form raised guiding rib（507）, the card
Circle（3）It is pressed in groove（506）And guiding rib（507）Between end.
A kind of 4. check valve according to claim 1, it is characterised in that：Baffle（502）Towards water inlet（101）Surface
Equipped with for spherical valve core（4）By water inlet（101）Current are pressed against baffle（502）On prevent limiting slot that it is rocked（508）.
A kind of 5. check valve according to claim 2, it is characterised in that：The upper valve body（1）, lower valve body（5）, it is spherical
Spool（4）, it is resistant material.
A kind of 6. check valve according to claim 1, it is characterised in that：The spherical valve core（4）It is made of plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720928695.9U CN207364351U (en) | 2017-07-28 | 2017-07-28 | A kind of check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720928695.9U CN207364351U (en) | 2017-07-28 | 2017-07-28 | A kind of check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364351U true CN207364351U (en) | 2018-05-15 |
Family
ID=62421718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720928695.9U Active CN207364351U (en) | 2017-07-28 | 2017-07-28 | A kind of check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207364351U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306328A (en) * | 2020-03-27 | 2020-06-19 | 四川华气动力有限责任公司 | High-power gas engine precombustion chamber air inlet one-way valve |
| CN113932048A (en) * | 2021-12-14 | 2022-01-14 | 常州桃花电器有限公司 | One-way valve with liquid discharge port capable of being adjusted and controlled in multiple directions |
| CN114684941A (en) * | 2022-03-16 | 2022-07-01 | 华能北京热电有限责任公司 | Emergent filter for water charging system of condenser |
-
2017
- 2017-07-28 CN CN201720928695.9U patent/CN207364351U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306328A (en) * | 2020-03-27 | 2020-06-19 | 四川华气动力有限责任公司 | High-power gas engine precombustion chamber air inlet one-way valve |
| CN113932048A (en) * | 2021-12-14 | 2022-01-14 | 常州桃花电器有限公司 | One-way valve with liquid discharge port capable of being adjusted and controlled in multiple directions |
| CN113932048B (en) * | 2021-12-14 | 2022-02-25 | 常州桃花电器有限公司 | One-way valve with liquid discharge port capable of being adjusted and controlled in multiple directions |
| CN114684941A (en) * | 2022-03-16 | 2022-07-01 | 华能北京热电有限责任公司 | Emergent filter for water charging system of condenser |
| CN114684941B (en) * | 2022-03-16 | 2023-10-24 | 华能北京热电有限责任公司 | Filter for condenser emergency water supplementing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 321000 No. 788 Xinhong Road, Qiubin Street, Wucheng District, Jinhua City, Zhejiang Province Patentee after: Zhejiang Hongchang Electrical Appliance Technology Co., Ltd. Address before: 321000 Jinhua, Zhejiang Wucheng District, Wucheng Binlin Street South Street Patentee before: JINHUA HONGCHANG ELECTRICAL EQUIPMENT CO., LTD. |