CN109185510A - A kind of dock straight check valve - Google Patents
A kind of dock straight check valve Download PDFInfo
- Publication number
- CN109185510A CN109185510A CN201811134582.7A CN201811134582A CN109185510A CN 109185510 A CN109185510 A CN 109185510A CN 201811134582 A CN201811134582 A CN 201811134582A CN 109185510 A CN109185510 A CN 109185510A
- Authority
- CN
- China
- Prior art keywords
- valve body
- fixed
- baffle ring
- check valve
- guide rod
- 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.)
- Pending
Links
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
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of dock straight check valves, including inducer valve body, outlet section valve body, seal cap, guide rod and vavle shelf, limit baffle ring is equipped in the inducer valve body, hole among the limit baffle ring forms fluid inlet, outlet section valve body one end is connect with inducer valve body screw thread, the inner wall of the outlet section valve body other end is equipped with fixed baffle ring, hole among the fixed baffle ring forms fluid outlet, the vavle shelf is located in outlet section valve body and is fixedly connected with fixed baffle ring, volute spring is arranged with outside vavle shelf, the miner diameter end of the volute spring is fixedly connected with seal cap, the bigger diameter end of volute spring is fixedly connected with vavle shelf, the guide rod passes through vavle shelf, seal cap is fixed on the one end of guide rod close to fluid inlet, seal cap crimps with fluid inlet and seals cooperation.The configuration of the present invention is simple, convenient for installation and maintenance, opening and closing is sensitive, stable, is used for a long time not vulnerable.
Description
Technical field
The present invention relates to a kind of check valves, more particularly, to a kind of dock straight check valve.
Background technique
Check valve is also known as check-valves or non-return valve.Check valve has through type and two kinds of right-angle type, wherein straight check valve
It is threadedly coupled and is installed on the pipeline, angle check valve then has threaded connection, board-like connection and three kinds of forms of flanged joint.
For example, the Chinese patent of Authorization Notice No. CN205824293U discloses a kind of check valve comprising: outside check valve
Set, unidirectional vavle shelf, check valve inner core, spring are provided with unidirectional vavle shelf pilot hole on unidirectional vavle shelf, are provided on check valve inner core
Check valve inner core guide post；The connection of check valve housing and unidirectional vavle shelf is led by unidirectional vavle shelf pilot hole with check valve inner core
It connects and realizes to column；Spring is mounted between unidirectional vavle shelf and check valve inner core；Check valve inner core and unidirectional under the action of the spring
The cooperation sealing of valve housing.The check valve has the following deficiencies: that (1) check valve passes through the sealing ring two and list on check valve inner core
Sealing cooperation is realized to the Interference contact between valve housing, but check valve inner core will cause the hair of sealing ring two after long-term motion
Raw abrasion or deformation, so that check valve inner core loses sealing effect, make failure of check valve；(2) check valve contains list
To valve housing, sealing ring one, sealing ring two, mounting groove one, the second-class structure of mounting groove, structure is complicated, and processing is inconvenient.
Summary of the invention
The present invention be in order to solve the problem of the check valve of the prior art exist be used for a long time it is vulnerable and structure is complicated,
It is simple to provide a kind of structure, convenient for installation and maintenance, opening and closing is sensitive, and it is stable, it is straight that not vulnerable dock is used for a long time
Logical check valve.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of dock straight check valve of the invention, the dock straight check valve include inducer valve body, outlet
Section valve body, seal cap, guide rod and vavle shelf, the inducer valve body is interior to be equipped with limit baffle ring, the hole among the limit baffle ring
Gap forms fluid inlet, and outlet section valve body one end is connect with inducer valve body screw thread, the inner wall of the outlet section valve body other end
It is equipped with fixed baffle ring, the hole among the fixed baffle ring forms fluid outlet, and the vavle shelf is located in outlet section valve body simultaneously
It being fixedly connected with fixed baffle ring, is arranged with volute spring outside vavle shelf, the miner diameter end of the volute spring is fixedly connected with seal cap,
The bigger diameter end of volute spring is fixedly connected with vavle shelf, and the guide rod passes through vavle shelf, and seal cap is fixed on guide rod close to fluid
One end of import, seal cap crimp with fluid inlet and seal cooperation.The present invention is a kind of straight check valve, by two sections of valve bodies
(inducer valve body and outlet section valve body) is spirally connected to be formed, and dismounting maintenance is very convenient；Volute spring is covered will not occur outside vavle shelf
Longitudinal movement；In the present invention, seal cap can compress fluid inlet under the action of volute spring to make check valve be in
Closed state resists fluid inlet by the end of seal cap and makes closed check valve, and seal cap is hardly damaged, and sealing performance
It is good, long service life；By the cooperation of guide rod and vavle shelf, so that seal cap can only move along a straight line along axial direction, operation is flat
Surely.
Preferably, fluid inlet is the inner small and outside big stepped hole in aperture.Fluid inlet aperture is inner small and outside big, so that sealing
Cap stress is more concentrated, and seal cap folding is more sensitive, is conducive to control fluid flow.
Preferably, the vavle shelf includes fixed plate and several along the fixed circumferentially spaced fixed feet of baffle ring, it is described
Fixed feet one end is fixedly connected with fixed baffle ring, and the other end is fixedly connected with fixed plate.Vavle shelf includes fixed plate and several along solid
Determine the circumferentially spaced fixed feet of baffle ring, pass through convenient for fluid, reduces resistance.
Preferably, the guide rod pass through fixed plate and with fixed plate slide fit, the free end of guide rod is fixed with limit
Plate.
Preferably, the seal cap includes seal head and the elastic layer that is wrapped in outside seal head, the seal head with lead
It is fixedly connected to one end of the close fluid inlet of bar.Sealing head is wrapped with elastic layer, and elastic layer has certain elasticity, plays
Buffering and sealing function are Elastic Contact, sealing effect between elastic layer and fluid inlet when seal cap resists fluid inlet
More preferably, it can prevent seal head from damaging, and there is erasure effect.
Preferably, the seal head is boss structure.
Therefore, the invention has the following beneficial effects:
(1) present invention is a kind of straight check valve, and by two sections of valve bodies (inducer valve body and outlet section valve body), be spirally connected shape
At dismounting maintenance is very convenient；
(2) fluid inlet is resisted by the end of seal cap and makes closed check valve, seal cap is hardly damaged, and leakproofness
It can good, long service life；
(3) fluid inlet aperture is inner small and outside big, so that seal cap stress is more concentrated, seal cap folding is more sensitive, has
Conducive to control fluid flow；
(4) sealing head is wrapped with elastic layer, and elastic layer has certain elasticity, buffering and sealing function played, when close
It is Elastic Contact between elastic layer and fluid inlet, sealing effect is more preferable, can prevent seal head from damaging when sealing cap resists fluid inlet
It is bad, and there is erasure effect.
Detailed description of the invention
Fig. 1 is a kind of main view of the invention.
Fig. 2 is the sectional view of Fig. 1.
In figure: inducer valve body 1, outlet section valve body 2, guide rod 3, limit baffle ring 4, fluid inlet 5, fixed baffle ring 6, stream
Body outlet 7, volute spring 8, fixed plate 9, fixed feet 10, limit plate 11, seal head 12, elastic layer 13.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
A kind of dock straight check valve as shown in Figure 1 and Figure 2, including inducer valve body 1, outlet section valve body 2, sealing
Cap, guide rod 3 and vavle shelf, inducer valve interior wall face protrusion are formed with limit baffle ring 4, and the hole among limit baffle ring forms interior
Small outer big fluid inlet 5, outlet section valve body one end is connect with inducer valve body screw thread, on the inner wall of the outlet section valve body other end
Protrusion is formed with fixed baffle ring 6, and the hole among fixed baffle ring forms fluid outlet 7, and vavle shelf is located in outlet section valve body, vavle shelf
Including fixed plate 9 and four along the fixed circumferentially spaced fixed feet 10 of baffle ring, fixed feet one end and the fixed company of fixed baffle ring
Connect, the other end is fixedly connected with fixed plate, guide rod pass through fixed plate and with fixed plate slide fit, the free end of guide rod is fixed with
Limit plate 11, seal cap include seal head 12 and the elastic layer being wrapped in outside seal head 13, and seal head is boss structure, seal head
Be fixedly connected with guide rod close to one end of fluid inlet, be arranged with volute spring 8 outside vavle shelf, the miner diameter end of volute spring with it is close
Seal head is fixedly connected in sealing cap, and the bigger diameter end of volute spring is fixedly connected with the fixed feet in vavle shelf, seal cap and fluid into
Mouth crimps and seals cooperation.
The operation principle of the present invention is that: inducer valve body, outlet section valve body are threaded on pipeline respectively, when fluid from
When the input end of inducer valve body flows into and through fluid inlet, fluid matasomatism is bored in seal cap when the pressure of fluid is greater than
When the elastic force of shape spring, conical spring compresses, so that seal cap is detached from fluid inlet, check valve is just opened, and fluid enters outlet
It is flowed out in section valve body and through fluid outlet；Conversely, fluid acting in opposition, when in seal cap, seal cap and fluid inlet cooperate more
Step up close, better tightness, to play the role of non-return.
The configuration of the present invention is simple, convenient for installation and maintenance, opening and closing is sensitive, stable, and not vulnerable, suitable peace is used for a long time
It is used on liquid or gas piping.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form
Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (6)
1. a kind of dock straight check valve, which is characterized in that the dock straight check valve include inducer valve body (1),
Outlet section valve body (2), seal cap, guide rod (3) and vavle shelf, the inducer valve body is interior to be equipped with limit baffle ring (4), the limit
Hole among baffle ring forms fluid inlet (5), and outlet section valve body one end is connect with inducer valve body screw thread, outlet section valve
The inner wall of the body other end is equipped with fixed baffle ring (6), and the hole among the fixed baffle ring forms fluid outlet (7), the valve
Frame is located in outlet section valve body and is fixedly connected with fixed baffle ring, is arranged with volute spring (8) outside vavle shelf, the volute spring
Miner diameter end is fixedly connected with seal cap, and the bigger diameter end of volute spring is fixedly connected with vavle shelf, and the guide rod passes through vavle shelf, sealing
Cap is fixed on the one end of guide rod close to fluid inlet, and seal cap crimps with fluid inlet and seals cooperation.
2. a kind of dock straight check valve according to claim 1, which is characterized in that the fluid inlet is in aperture
Small outer big stepped hole.
3. a kind of dock straight check valve according to claim 1, which is characterized in that the vavle shelf includes fixed plate
(9) and several along fixed the circumferentially spaced fixed feet of baffle ring (10), described fixed feet one end is fixedly connected with fixed baffle ring,
The other end is fixedly connected with fixed plate.
4. a kind of dock straight check valve according to claim 3, which is characterized in that the guide rod passes through fixed plate
And with fixed plate slide fit, the free end of guide rod is fixed with limit plate (11).
5. a kind of dock straight check valve according to claim 4, which is characterized in that the seal cap includes seal head
(12) and the elastic layer (13) that is wrapped in outside seal head, the seal head and guide rod connect close to one end of fluid inlet is fixed
It connects.
6. a kind of dock straight check valve according to claim 5, which is characterized in that the seal head is boss knot
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134582.7A CN109185510A (en) | 2018-09-28 | 2018-09-28 | A kind of dock straight check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134582.7A CN109185510A (en) | 2018-09-28 | 2018-09-28 | A kind of dock straight check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109185510A true CN109185510A (en) | 2019-01-11 |
Family
ID=64907451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811134582.7A Pending CN109185510A (en) | 2018-09-28 | 2018-09-28 | A kind of dock straight check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109185510A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2315384Y (en) * | 1997-10-28 | 1999-04-21 | 杨向秋 | Oil/water check valve |
| DE10313094A1 (en) * | 2003-03-24 | 2004-10-14 | Ksb Aktiengesellschaft | Reverse flow blocker has shut-off component which in first end position closes off throughflow passage, in intermediate position allows maximum throughflow, and in second end position maintains minimum value for throughflow |
| CN101220876A (en) * | 2007-12-14 | 2008-07-16 | 曾祥炜 | Shuttle type check valve |
| CN201297431Y (en) * | 2008-08-21 | 2009-08-26 | 梁志恭 | Safety valve |
| CN201407393Y (en) * | 2009-04-02 | 2010-02-17 | 浙江鸿森机械有限公司 | Check valve |
| CN201636395U (en) * | 2010-04-26 | 2010-11-17 | 温州市石化机械阀门厂 | Straight-through check valve |
| JP2010266032A (en) * | 2009-05-15 | 2010-11-25 | Tlv Co Ltd | Check valve |
| JP2012062955A (en) * | 2010-09-15 | 2012-03-29 | Tlv Co Ltd | Check valve |
| JP2013096496A (en) * | 2011-10-31 | 2013-05-20 | Honda Motor Co Ltd | Check valve |
| CN203516858U (en) * | 2013-09-10 | 2014-04-02 | 浙江苏强格液压股份有限公司 | One-way valve |
| CN203560542U (en) * | 2013-08-13 | 2014-04-23 | 辉煌水暖集团有限公司 | Novel spring one-way valve |
| CN204420225U (en) * | 2015-01-21 | 2015-06-24 | 宁波华平金属制品有限公司 | A kind of safety check |
| RU163689U1 (en) * | 2015-12-16 | 2016-08-10 | Акционерное общество "НПО Энергомаш имени академика В.П. Глушко" | CHECK VALVE |
| CN205896300U (en) * | 2016-08-15 | 2017-01-18 | 温岭市中达精密钢件有限公司 | Controllable formula one way check valve of atmospheric pressure |
| CN108533802A (en) * | 2018-05-24 | 2018-09-14 | 武汉船用机械有限责任公司 | A kind of big-flow high-pressure check valve peculiar to vessel |
-
2018
- 2018-09-28 CN CN201811134582.7A patent/CN109185510A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2315384Y (en) * | 1997-10-28 | 1999-04-21 | 杨向秋 | Oil/water check valve |
| DE10313094A1 (en) * | 2003-03-24 | 2004-10-14 | Ksb Aktiengesellschaft | Reverse flow blocker has shut-off component which in first end position closes off throughflow passage, in intermediate position allows maximum throughflow, and in second end position maintains minimum value for throughflow |
| CN101220876A (en) * | 2007-12-14 | 2008-07-16 | 曾祥炜 | Shuttle type check valve |
| CN201297431Y (en) * | 2008-08-21 | 2009-08-26 | 梁志恭 | Safety valve |
| CN201407393Y (en) * | 2009-04-02 | 2010-02-17 | 浙江鸿森机械有限公司 | Check valve |
| JP2010266032A (en) * | 2009-05-15 | 2010-11-25 | Tlv Co Ltd | Check valve |
| CN201636395U (en) * | 2010-04-26 | 2010-11-17 | 温州市石化机械阀门厂 | Straight-through check valve |
| JP2012062955A (en) * | 2010-09-15 | 2012-03-29 | Tlv Co Ltd | Check valve |
| JP2013096496A (en) * | 2011-10-31 | 2013-05-20 | Honda Motor Co Ltd | Check valve |
| CN203560542U (en) * | 2013-08-13 | 2014-04-23 | 辉煌水暖集团有限公司 | Novel spring one-way valve |
| CN203516858U (en) * | 2013-09-10 | 2014-04-02 | 浙江苏强格液压股份有限公司 | One-way valve |
| CN204420225U (en) * | 2015-01-21 | 2015-06-24 | 宁波华平金属制品有限公司 | A kind of safety check |
| RU163689U1 (en) * | 2015-12-16 | 2016-08-10 | Акционерное общество "НПО Энергомаш имени академика В.П. Глушко" | CHECK VALVE |
| CN205896300U (en) * | 2016-08-15 | 2017-01-18 | 温岭市中达精密钢件有限公司 | Controllable formula one way check valve of atmospheric pressure |
| CN108533802A (en) * | 2018-05-24 | 2018-09-14 | 武汉船用机械有限责任公司 | A kind of big-flow high-pressure check valve peculiar to vessel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190111 |