CN104864128B - A kind of eccentric action full flow check-valves - Google Patents
A kind of eccentric action full flow check-valves Download PDFInfo
- Publication number
- CN104864128B CN104864128B CN201410460570.9A CN201410460570A CN104864128B CN 104864128 B CN104864128 B CN 104864128B CN 201410460570 A CN201410460570 A CN 201410460570A CN 104864128 B CN104864128 B CN 104864128B
- Authority
- CN
- China
- Prior art keywords
- seal
- flap
- valve body
- moving spring
- full flow
- 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
- F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
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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
- 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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/20—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2042—Special features or arrangements of the sealing
- F16K1/2078—Sealing means for the axis of rotation
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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
- 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
- F16K1/52—Means for additional adjustment of the rate of flow
- F16K1/523—Means for additional adjustment of the rate of flow for limiting the maximum flow rate, using a stop
-
- 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
- F16K27/0227—Check valves or pivoted valves with the valve members swinging around an axis located at the edge of or outside the valve member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of eccentric action full flow check-valves, including valve body and the flap being hinged in valve body, valve body two ends are respectively arranged with intake tunnel and exhalant canal, the limiting groove for limiting flap maximum rotation stroke is provided with valve body, flap is provided with arc groove near intake tunnel end middle part, flap is provided with sealing device positioned at arc groove outer end, sealing device includes seal, back-moving spring and attachment screw, seal mounting groove and screw hole are transversely provided with flap, attachment screw head is threadedly coupled with seal the inner, the seal constitutes sealing by the elastic compression intake tunnel port of export end face of back-moving spring.Above-mentioned technical proposal, limiting groove sets reasonable, enables check-valves full flow by medium, compact conformation is made again, not waste of materials；Sealing device structure on flap is simple, is convenient to mount and dismount, and maintenance is easy, seal good sealing effect and reaches corrosion-resistant purpose, long service life.
Description
Technical field
The present invention relates to valve technology field, and in particular to a kind of eccentric action full flow check-valves.
Background technology
Also known as check (non-return) valve, check valve or non-return valve, its effect is to ensure the medium oriented flow in pipeline to swing check valve
The function of moving and will not flow backwards.Check-valves includes swing check valve, at present, swing check valve, and when in use, flap and valve
During seat sealing, the end face setting seal for being utilized in flap is installed by pressing plate extruding, realizes the purpose of sealing, but
It is that the seal is poor due to fastness, easily comes off in use, so as to be impacted to sealing, and seal
Easily it is corroded, seal changes trouble, causes service life to reduce；The swing check valve major part of other in the market can not
It is complete to open, thus rate-of flow receives limitation, and pipe-line system power loss can be caused larger, small part can be opened entirely, but be held
Chamber belly is big, and product structure is huge, and waste of material is more, uneconomical.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of reasonable in design, compact conformation,
Good seal performance, the eccentric action full flow check-valves of long service life.
To achieve the above object, the invention provides following technical scheme：A kind of eccentric action full flow check-valves, including
Valve body and the flap being hinged in valve body, the valve body two ends are respectively arranged with intake tunnel and exhalant canal, the valve body
On be provided with limiting groove for limiting flap maximum rotation stroke, the flap is provided with arc near intake tunnel end middle part
Groove, the flap is provided with sealing device positioned at arc groove outer end, the sealing device include seal, back-moving spring and
Attachment screw, is transversely provided with seal mounting groove and screw hole, the seal mounting groove middle part and screw hole on the flap
Installed in connection, the seal mounting groove and attachment screw is installed in seal, screw hole, and attachment screw head and seal
The inner threaded connection, the seal is inner to install back-moving spring and seal mounting groove between, and back-moving spring one end compresses close
Sealing is inner, and the other end compresses seal and installs groove bottom, the elastic compression intake tunnel that the seal passes through back-moving spring
Port of export end face constitutes sealing.
By using above-mentioned technical proposal, limiting groove sets reasonable, enables check-valves full flow by medium, and knot is made again
Structure is compact, not waste of materials；Sealing device structure on flap is simple, is convenient to mount and dismount, and maintenance is easy, and seal passes through reset bullet
Spring force can be constituted with intake tunnel port of export end face and sealed, and good sealing effect and reach corrosion-resistant purpose, long service life.
The present invention is further arranged to：The back-moving spring has been wholely set the first contiguous block near seal end, resets
Spring has been wholely set the second contiguous block away from seal end, and first contiguous block is welded and fixed with seal inner face, the
Two contiguous block inner faces compress seal and install groove bottom.By this setting, the first contiguous block and the second contiguous block set reasonable,
So that back-moving spring is connected more convenient, reliable with seal.
The present invention is further arranged to：The flap upper end has been wholely set rocking bar, and the rocking bar upper end is provided with connection
Hole, is equipped with bearing pin in the connecting hole, rocking bar is made up of with valve body bearing pin and is hinged.By this setting, flap connects with valve body
Connect conveniently, reliable operation.
The present invention is further arranged to：The seal is made up of rubber or polytetrafluoroethylmaterial material.By this setting,
Sealing property of sealing component is good, long service life.
The present invention is further arranged to：The back-moving spring is stainless steel spring.By this setting, back-moving spring is difficult
Get rusty, corrode, long service life.
The present invention is further arranged to：The attachment screw, the first contiguous block and the second contiguous block are by stainless steel
Material is made.By this setting, attachment screw, the first contiguous block and the second contiguous block are difficult to get rusty, corrode, long service life.
It is an advantage of the invention that：Compared with prior art, rationally, limiting groove sets reasonable to structure setting of the present invention, makes to stop
Return valve can full flow by medium, compact conformation is made again, not waste of materials；Sealing device structure on flap is simple, assembly and disassembly
Convenient, maintenance is easy, and seal can be made up of with intake tunnel port of export end face back-moving spring elastic force and seal, good sealing effect
And reach corrosion-resistant purpose, long service life.
With reference to Figure of description and specific embodiment, the invention will be further described.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the enlarged diagram in I portions in Fig. 1；
Fig. 3 is the structural representation of embodiment of the present invention back-moving spring.
Specific embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of eccentric action full flow check-valves disclosed by the invention, including valve body 1 and hinge
The flap 2 in valve body 1 is connected on, the two ends of the valve body 1 are respectively arranged with intake tunnel 11 and exhalant canal 12, on the valve body 1
The limiting groove 13 for limiting the maximum rotation stroke of flap 2 is provided with, the flap 2 is provided near the end of intake tunnel 11 middle part
Arc groove 21, the flap 2 is provided with sealing device positioned at the outer end of arc groove 21, the sealing device include seal 3,
Back-moving spring 4 and attachment screw 5, are transversely provided with seal mounting groove 22 and screw hole 23, the seal peace on the flap 2
The middle part of tankage 22 connects with screw hole 23, is installed in the seal mounting groove 22 and installed in seal 3, screw hole 23 connection spiral shell
5 are followed closely, and the head of attachment screw 5 is threadedly coupled with the inner of seal 3, the seal 3 is inner and seal mounting groove 22 between
Back-moving spring 4 is installed, the one end of back-moving spring 4 compresses the inner of seal 3, and the other end compresses the bottom surface of seal mounting groove 22, described
Seal 3 constitutes sealing by the port of export end face of elastic compression intake tunnel 11 of back-moving spring 4.
To make structure of the present invention more reasonable, as preferred, the close end of seal 3 of back-moving spring 4 described in the present embodiment
The first contiguous block 41 is wholely set, back-moving spring 4 has been wholely set the second contiguous block 42, described first away from the end of seal 3
Contiguous block 41 is welded and fixed with the inner face of seal 3, and the inner face of the second contiguous block 42 compresses the bottom surface of seal mounting groove 22.
The upper end of the flap 2 has been wholely set rocking bar 6, and the upper end of the rocking bar 6 is provided with connecting hole 61, in the connecting hole 61
Bearing pin 7 is equipped with, rocking bar 6 is made up of with valve body 1 bearing pin 7 and is hinged.
The seal 3 is made up of rubber or polytetrafluoroethylmaterial material.The back-moving spring 4 is stainless steel spring.It is described
Attachment screw 5, the first contiguous block 41 and the second contiguous block 42 are made by stainless steel material.
The present embodiment limiting groove is arranged on exhalant canal import upper end, and flap can rise to the limiting groove of valve body after opening
In, the bottom of flap can pass through with the way radial ball of latus rectum same size, product is played a part of full flow.Flap
Gravity's center control in the right of center line, it is ensured that self sealss can be played a part of in a free state.
Rationally, limiting groove sets reasonable to structure setting of the present invention, enables check-valves full flow by medium, and structure is made again
It is compact, not waste of materials；Sealing device structure on flap is simple, is convenient to mount and dismount, and maintenance is easy, and seal passes through back-moving spring
Elastic force can be constituted with intake tunnel port of export end face and sealed, and good sealing effect and reach corrosion-resistant purpose, long service life.
Above-described embodiment is served only for being further described the present invention, it is impossible to be interpreted as to specific descriptions of the invention
Limiting the scope of the present invention, it is non-that the technician of this area makes some according to the content of foregoing invention to the present invention
The modifications and adaptations of essence are each fallen within protection scope of the present invention.
Claims (6)
1. a kind of eccentric action full flow check-valves, including valve body (1) and the flap (2) being hinged in valve body (1), the valve
Body (1) two ends are respectively arranged with intake tunnel (11) and exhalant canal (12), it is characterised in that：It is provided with the valve body (1)
Limiting groove (13) for limiting flap (2) maximum rotation stroke, the flap (2) is set near intake tunnel (11) end middle part
There is arc groove (21), the flap (2) is provided with sealing device positioned at arc groove (21) outer end, and the sealing device includes
Seal (3), back-moving spring (4) and attachment screw (5), seal mounting groove (22) and spiral shell are transversely provided with the flap (2)
Nail (23), seal mounting groove (22) middle part connects with screw hole (23), is installed in the seal mounting groove (22)
Attachment screw (5) is installed in seal (3), screw hole (23), and attachment screw (5) head connects with seal (3) the inner screw thread
Connect, the seal (3) is inner to install back-moving spring (4) and seal mounting groove (22) between, and back-moving spring (4) one end compresses
Seal (3) is inner, and the other end compresses seal mounting groove (22) bottom surface, the bullet that the seal (3) passes through back-moving spring (4)
Force tight intake tunnel (11) port of export end face and constitute sealing.
2. a kind of eccentric action full flow check-valves according to claim 1, it is characterised in that：The back-moving spring (4)
The first contiguous block (41) is wholely set near seal (3) end, back-moving spring (4) has been wholely set away from seal (3) end
Second contiguous block (42), first contiguous block (41) is welded and fixed with seal (3) inner face, and the second contiguous block (42) is inner
Face compresses seal mounting groove (22) bottom surface.
3. a kind of eccentric action full flow check-valves according to claim 1 and 2, it is characterised in that：On the flap (2)
End has been wholely set rocking bar (6), and rocking bar (6) upper end is provided with connecting hole (61), the connecting hole（61）Inside it is equipped with bearing pin
(7), rocking bar (6) is made up of with valve body (1) bearing pin (7) and is hinged.
4. a kind of eccentric action full flow check-valves according to claim 3, it is characterised in that：The seal (3) by
Rubber or polytetrafluoroethylmaterial material are made.
5. a kind of eccentric action full flow check-valves according to claim 4, it is characterised in that：The back-moving spring (4)
It is stainless steel spring.
6. a kind of eccentric action full flow check-valves according to claim 5, it is characterised in that：The attachment screw (5),
First contiguous block (41) and the second contiguous block (42) are made by stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460570.9A CN104864128B (en) | 2014-09-09 | 2014-09-09 | A kind of eccentric action full flow check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460570.9A CN104864128B (en) | 2014-09-09 | 2014-09-09 | A kind of eccentric action full flow check-valves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104864128A CN104864128A (en) | 2015-08-26 |
| CN104864128B true CN104864128B (en) | 2017-06-13 |
Family
ID=53910170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410460570.9A Active CN104864128B (en) | 2014-09-09 | 2014-09-09 | A kind of eccentric action full flow check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104864128B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677085B (en) * | 2020-06-17 | 2021-09-10 | 中国建筑设计研究院有限公司 | Downstream pipeline backwater alarming non-return drainage system and non-return drainage method |
| CN111878419B (en) * | 2020-08-21 | 2022-04-08 | 江苏大学镇江流体工程装备技术研究院 | Deep sea mining ore pump backflow protection device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1474789A (en) * | 1973-10-23 | 1977-05-25 | Acf Ind Inc | Seat and sealing means for clapper-type check valve |
| SU832206A1 (en) * | 1979-07-04 | 1981-05-23 | Mkrtychan Yakov S | Sealing collar |
| GB2215435A (en) * | 1988-02-27 | 1989-09-20 | B P M West Yorkshire Hydraulic | Valve member |
| CN101265983A (en) * | 2008-04-03 | 2008-09-17 | 石明 | Multi-functional valve |
| CN201934786U (en) * | 2011-03-12 | 2011-08-17 | 金华职业技术学院 | Valve clack shockproof mechanism of swing check valve |
| CN203009929U (en) * | 2012-11-02 | 2013-06-19 | 铜陵祥云消防科技有限责任公司 | Rubber flap check valve |
| CN203395294U (en) * | 2013-08-27 | 2014-01-15 | 浙江菲比克阀门有限公司 | Flexible seal check valve |
| CN103925395A (en) * | 2014-05-13 | 2014-07-16 | 上海东方威尔阀门有限公司 | Energy-saving resistance-free check valve |
| CN204042087U (en) * | 2014-09-09 | 2014-12-24 | 温州科科自控阀门有限公司 | A kind of eccentric action full flow safety check |
-
2014
- 2014-09-09 CN CN201410460570.9A patent/CN104864128B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1474789A (en) * | 1973-10-23 | 1977-05-25 | Acf Ind Inc | Seat and sealing means for clapper-type check valve |
| SU832206A1 (en) * | 1979-07-04 | 1981-05-23 | Mkrtychan Yakov S | Sealing collar |
| GB2215435A (en) * | 1988-02-27 | 1989-09-20 | B P M West Yorkshire Hydraulic | Valve member |
| CN101265983A (en) * | 2008-04-03 | 2008-09-17 | 石明 | Multi-functional valve |
| CN201934786U (en) * | 2011-03-12 | 2011-08-17 | 金华职业技术学院 | Valve clack shockproof mechanism of swing check valve |
| CN203009929U (en) * | 2012-11-02 | 2013-06-19 | 铜陵祥云消防科技有限责任公司 | Rubber flap check valve |
| CN203395294U (en) * | 2013-08-27 | 2014-01-15 | 浙江菲比克阀门有限公司 | Flexible seal check valve |
| CN103925395A (en) * | 2014-05-13 | 2014-07-16 | 上海东方威尔阀门有限公司 | Energy-saving resistance-free check valve |
| CN204042087U (en) * | 2014-09-09 | 2014-12-24 | 温州科科自控阀门有限公司 | A kind of eccentric action full flow safety check |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104864128A (en) | 2015-08-26 |
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