CN110397769A - A kind of swing check valve of protecting against shock - Google Patents
A kind of swing check valve of protecting against shock Download PDFInfo
- Publication number
- CN110397769A CN110397769A CN201910751352.3A CN201910751352A CN110397769A CN 110397769 A CN110397769 A CN 110397769A CN 201910751352 A CN201910751352 A CN 201910751352A CN 110397769 A CN110397769 A CN 110397769A
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- CN
- China
- Prior art keywords
- valve
- shaft
- arc
- inner cavity
- valve body
- 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.)
- Granted
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Classifications
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/02—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together
- F16F7/023—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together and characterised by damping force adjustment means
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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
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The present invention relates to a kind of swing check valves of protecting against shock, including valve body, interior to be equipped with inlet channel, outlet flow and inner cavity；Valve deck is fixedly connected on valve body；Valve seat；Shaft；Rocking bar；Flap；Turntable, including sequentially connected connecting shaft and sleeve, sleeve are equipped with arc groove；Pedestal is fixedly connected with the valve body, and is equipped with convex shape sliding groove；Friction plate；Spring.The swing check valve of this protecting against shock, flap can open quickly, slowly closing, therefore can reduce impact, prevent water hammer, prevent from destroying valve.
Description
Technical field
The invention belongs to the technical field of pipeline valve more particularly to a kind of swing check valves of protecting against shock.
Background technique
Check-valves is common a kind of valve in pipe-line system, is mostly installed at the outlet of pump, is used for connection and non-return
Fluid media (medium) in pipe-line system.Existing swing check valve mainly includes valve body, valve seat and non-return flap, and valve seat is equipped with valve seat
Sealing surface, and be fixed in valve flowing channel, non-return flap is equipped with valve clack sealing surface, and is mounted on body cavity using pin shaft, when
When medium enters body cavity from valve inlet side, medium pushes non-return flap to rotarily open around pin shaft, when valve inlet side is without medium
Into when, non-return flap is around pin shaft rotary closing.Its shortcoming is that: non-return flap holds during around pin shaft rotary closing
It is also easy to produce that closing velocity is too fast, causes valve clack sealing surface excessive to the impact force of sealing surface of seat, be easily damaged；Meanwhile non-return
Flap is easy to produce water hammer in quick closedown, causes valve by the generation for the Harms such as destroying.
Summary of the invention
The technical problem to be solved by the present invention is to a kind of structurally reasonable, use is provided for above-mentioned state of the art
Reliably, flap can quickly open the swing check valve of slowly closing, protecting against shock.
The technical scheme of the invention to solve the technical problem is: a kind of swing check valve of protecting against shock, packet
Valve body, valve deck, valve seat, shaft, rocking bar and flap are included, is equipped with inlet channel and outlet flow, valve body in the horizontal direction in valve body
It is inside equipped with the inner cavity being connected with inlet channel and outlet flow along the vertical direction, valve deck is fixedly mounted on the upper end of valve body, uses
With the upper opening of closing inner chamber, valve seat is located at the inlet channel position adjacent with inner cavity, and shaft rotatably sets in the lumen, shakes
Bar is fixedly connected with shaft and is located in inner cavity, and flap sets in the lumen and is fixedly connected with one end of rocking bar, and flap is equipped with
Sealing ring, when sealing ring is in contact with valve seat, inlet channel and outlet flow are separated, it is characterised in that: and it further include turntable,
Turntable is located in inner cavity and is coaxially disposed with shaft, and turntable includes sequentially connected connecting shaft and sleeve, connecting shaft and shaft
One end is fixedly connected, and the mounting hole that Open Side Down is equipped in sleeve, and the upper surface of sleeve is equipped with the arc being connected with mounting hole
Shape slot；Pedestal, pedestal are located in mounting hole and are fixedly connected with the valve body, and it is convex shape that the upper surface of pedestal, which is equipped with cross section,
Sliding groove；Sliding block, sliding block include glissile segment and cylindrical section, and glissile segment is slidably fitted in sliding groove, and the cross section of glissile segment is
Convex shape, cylindrical section are located at the top of glissile segment and extend upwardly into arc groove, pass through arc groove and cylinder when turntable rotates
The cooperation of section can drive sliding block to slide along sliding groove；Friction plate, friction plate are located in mounting hole, and friction plate includes sequentially connected
Arc-like sheet and guide section, guide section are slidably fitted in sliding groove, and the circumferential side wall of arc-like sheet and mounting hole fits；Spring,
Spring is located in sliding groove, and spring one end is against on glissile segment, and the other end is against on guide section, makes arc-like sheet holding and mounting hole
Circumferential side wall compress trend.
Preferably, the guide section is equipped with positioning column, an end cap of spring is on positioning column.
Preferably, the diameter of connecting shaft is less than the diameter of sleeve.
Preferably, the sliding groove, arc groove, sliding block, friction plate and spring are all four, four sliding grooves are with pedestal
Axis centered in cross be arranged.
Compared with the prior art, the advantages of the present invention are as follows: when flap is opened, rocking bar drives shaft and turntable rotation,
Turntable is applied on cylindrical section when rotating by arc groove, and driving sliding block is moved along sliding groove to the center of circle direction of pedestal, in turn
Keep the decrement of spring smaller and smaller, friction plate is smaller and smaller to the frictional force of turntable, and the resistance that flap is opened is smaller and smaller, can
Quickly to open；When flap is closed, rocking bar drives shaft and turntable rotation, is applied to cylinder by arc groove when turntable rotates
Duan Shang, driving sliding block is moved along sliding groove to the center of circle direction far from pedestal, and then keeps the decrement of spring increasing, is rubbed
Piece is increasing to the frictional force of turntable, and resistance when flap is closed is increasing, can will not generate impact with slowly closing.
Detailed description of the invention
Fig. 1 is the sectional view of the embodiment of the present invention；
Fig. 2 is the A-A sectional view in Fig. 1；
Fig. 3 is the enlarged drawing in Fig. 2 at B；
Fig. 4 is that distribution structure perspective view of the explosion is dispensed in the middle part of the embodiment of the present invention；
Fig. 5-6 is the schematic three dimensional views of packing distribution structure in the middle part of the embodiment of the present invention；
Fig. 7-8 is the three dimensional structure diagram of turntable of the embodiment of the present invention；
Fig. 9 is the three dimensional structure diagram of pedestal in the embodiment of the present invention；
Figure 10 is the three dimensional structure diagram of friction plate in the embodiment of the present invention；
Figure 11 is the three dimensional structure diagram of sliding block in the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
It as shown in figs. 1-11, is a preferred embodiment of the present invention.
A kind of swing check valve, including including valve body 1, valve deck 2, valve seat 3, shaft 6, rocking bar 4, flap 5, turntable 7, bottom
Seat 11, sliding block 10, friction plate 9 and spring 8.
Inlet channel 101 and outlet flow 102 are equipped in valve body 1 in the horizontal direction, be equipped in valve body 1 along the vertical direction with
The inner cavity 103 that inlet channel 101 is connected with outlet flow 102, valve deck 2 are fixedly mounted on the upper end of valve body 1, in closing
The upper opening of chamber 103, valve seat 3 are located at the position adjacent with inner cavity 103 of inlet channel 101, and shaft 6 is rotatably located at inner cavity
In 103, rocking bar 4 is fixedly connected with shaft 6 and is located in inner cavity 103, and flap 5 is located in inner cavity 103 and consolidates with one end of rocking bar 4
Fixed connection, flap 5 are equipped with sealing ring 51, when sealing ring 51 is in contact with valve seat 3, inlet channel 101 and outlet flow 102
Separated.
Turntable 7 is located in inner cavity 103 and is coaxially disposed with shaft 6, and turntable 7 includes sequentially connected connecting shaft 72 and sleeve
71, the diameter of connecting shaft 72 is less than the diameter of sleeve 71, and connecting shaft 72 is fixedly connected with one end of shaft 6, is equipped in sleeve 71
The mounting hole 712 that Open Side Down, the upper surface of sleeve 71 are equipped with four arc grooves 711 being connected with mounting hole 712.
Pedestal 11 is located in mounting hole 712 and is fixedly connected with valve body 1, sets that there are four cross sections on the upper surface of pedestal 11
For the sliding groove 111 of convex shape, four sliding grooves 111 are arranged centered on the axis of pedestal 11 in cross.
Sliding block 10 is four, and sliding block 10 includes glissile segment 10b and cylindrical section 10a, and glissile segment 10b is slidably fitted in sliding groove
In 111, the cross section of glissile segment 10b is convex shape, and cylindrical section 10a is located at the top of glissile segment and extends upwardly into arc groove
In 711, sliding block 10 can be driven to slide along sliding groove 111 by the cooperation of arc groove 711 and cylindrical section 10a when turntable 7 rotates.
Friction plate 9 is 4, and friction plate 9 is located in mounting hole 712, and friction plate 9 includes sequentially connected arc-like sheet 91 and leads
To section 92, guide section 92 is slidably fitted in sliding groove 111, and guide section 92 is equipped with positioning column 93, arc-like sheet 91 and mounting hole
712 circumferential side wall fits.
Spring 8 is 4, and spring 8 is located in sliding groove 111, and 8 one end of spring is against on glissile segment 10b, and another end cap is fixed
It on the column 93 of position and is against on guide section 92, arc-like sheet 91 is made to keep the trend compressed with the circumferential side wall of mounting hole 712.
The working principle of the invention and process are as follows:
When fluid is flowed by inlet channel 101, flap 5, rocking bar 4 drive shaft 6 and turntable 7 to rotate, when turntable 7 rotates
It being applied on cylindrical section 10a by arc groove 711, driving sliding block 10 is moved along sliding groove 111 to the center of circle direction of pedestal 11, into
And keeping the decrement of spring 8 smaller and smaller, friction plate 9 is smaller and smaller to the frictional force of turntable 7, and the resistance that flap 5 is opened is more next
It is smaller, it can quickly open, inlet channel 101 is connected with outlet flow 102.
When the cut-off of inlet channel 101 is interrupted suddenly, flap in self gravity, outlet flow 102 pressure medium and
It drives rocking bar 4, shaft 6 and turntable 7 to rotate under the impact force that reflux generates, passes through arc groove 711 when turntable 7 rotates and be applied to circle
On shell of column 10a, driving sliding block 10 moves compressed spring 8 to the center of circle direction far from pedestal 11 along sliding groove 111, and then makes spring
8 decrement is increasing, and spring 8 is increasing to the pressing force of friction plate 9, friction plate 9 to the frictional force of turntable 7 increasingly
Greatly, resistance when flap 5 is closed is increasing, and flap 5 can will not generate impact with slowly closing.
Claims (4)
1. a kind of swing check valve of protecting against shock, including valve body (1), valve deck (2), valve seat (3), shaft (6), rocking bar (4) and
Flap (5), valve body (1) is interior to be equipped with inlet channel (101) and outlet flow (102) in the horizontal direction, and valve body (1) is interior along vertical side
To the inner cavity (103) being connected with inlet channel (101) and outlet flow (102) is equipped with, valve deck (2) is fixedly mounted on valve body
(1) upper end, to the upper opening of closing inner chamber (103), it is adjacent that valve seat (3) is located at inlet channel (101) and inner cavity (103)
Position, shaft (6) are rotatably located in inner cavity (103), and rocking bar (4) is fixedly connected with shaft (6) and is located at inner cavity (103)
In, flap (5) is located in inner cavity (103) and is fixedly connected with one end of rocking bar (4), and flap (5) is equipped with sealing ring (51), when
When sealing ring (51) is in contact with valve seat (3), inlet channel (101) and outlet flow (102) are separated, it is characterised in that: also
Including turntable (7), turntable (7) is located in inner cavity (103) and is coaxially disposed with shaft (6), and turntable (7) includes sequentially connected company
Spindle (72) and sleeve (71), connecting shaft (72) are fixedly connected with one end of shaft (6), are equipped with what Open Side Down in sleeve (71)
Mounting hole (712), the upper surface of sleeve (71) are equipped with the arc groove (711) being connected with mounting hole (712)；
Pedestal (11), pedestal (11) is located in mounting hole (712) and is fixedly connected with valve body (1), on the upper surface of pedestal (11)
It is the sliding groove (111) of convex shape equipped with cross section；
Sliding block (10), sliding block (10) include glissile segment (10b) and cylindrical section (10a), and glissile segment (10b) is slidably fitted in sliding groove
(111) in, the cross section of glissile segment (10b) is convex shape, and cylindrical section (10a) is located at the top of glissile segment and extends upwardly into arc
In shape slot (711), sliding block (10) can be driven along cunning by the cooperation of arc groove (711) and cylindrical section (10a) when turntable (7) rotates
Dynamic slot (111) sliding；
Friction plate (9), friction plate (9) are located in mounting hole (712), friction plate (9) include sequentially connected arc-like sheet (91) and
Guide section (92), guide section (92) are slidably fitted in sliding groove (111), the circumference of arc-like sheet (91) and mounting hole (712)
Wall fits；
Spring (8), spring (8) are located in sliding groove (111), and spring (8) one end is against on glissile segment (10b), and the other end is against
On guide section (92), arc-like sheet (91) is made to keep the trend compressed with the circumferential side wall of mounting hole (712).
2. the swing check valve of protecting against shock according to claim 1, it is characterised in that: the guide section (92) is equipped with
Positioning column (93), an end cap of spring (8) is on positioning column (93).
3. the swing check valve of protecting against shock according to claim 1, it is characterised in that: the diameter of connecting shaft (72) is less than
The diameter of sleeve (71).
4. the swing check valve of protecting against shock according to claim 1, it is characterised in that: the sliding groove (111), arc
Slot (711), sliding block (10), friction plate (9) and spring (8) are all four, and four sliding grooves (111) are with the axis of pedestal (11)
Center is arranged in cross.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910751352.3A CN110397769B (en) | 2019-08-15 | 2019-08-15 | Anti-impact swing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910751352.3A CN110397769B (en) | 2019-08-15 | 2019-08-15 | Anti-impact swing check valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110397769A true CN110397769A (en) | 2019-11-01 |
| CN110397769B CN110397769B (en) | 2020-09-01 |
Family
ID=68328303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910751352.3A Active CN110397769B (en) | 2019-08-15 | 2019-08-15 | Anti-impact swing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110397769B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081966A (en) * | 2020-09-25 | 2020-12-15 | 武芳 | Swing check valve |
| CN112096929A (en) * | 2020-08-29 | 2020-12-18 | 段井胜 | Swing check valve |
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|---|---|---|---|---|
| US4330006A (en) * | 1979-08-16 | 1982-05-18 | Kraftwerk Union Aktiengesellschaft | Damping device for check valves |
| CN2228163Y (en) * | 1995-02-23 | 1996-05-29 | 王战友 | Slow-closure type ckeck valve |
| JP2000009241A (en) * | 1998-06-23 | 2000-01-11 | Morita Tekkosho:Kk | Check valve |
| CN201416674Y (en) * | 2009-06-03 | 2010-03-03 | 环球阀门集团有限公司 | Steam bleeding check valve |
| CN202100821U (en) * | 2011-06-16 | 2012-01-04 | 伯特利阀门集团有限公司 | High-performance delay-close check valve |
| CN202109037U (en) * | 2011-06-22 | 2012-01-11 | 安徽铜都阀门股份有限公司 | Side opening energy-saving slow closing check valve |
| US20130232961A1 (en) * | 2012-03-06 | 2013-09-12 | Kwin Abram | Adaptive valve spring retainer with vibration damping |
| CN104676055A (en) * | 2014-12-26 | 2015-06-03 | 上海亚核阀业成套有限公司 | Low-shake low-noise water-hammer-free check valve |
| CN207080654U (en) * | 2017-07-12 | 2018-03-09 | 河南鸿佳伟业机械设备有限公司 | A kind of ramp type three-level Slow Close non-return butterfly valve |
| CN207961634U (en) * | 2018-01-07 | 2018-10-12 | 江苏华斯泰阀门制造有限公司 | Slow closed check damper |
| CN108953695A (en) * | 2018-08-13 | 2018-12-07 | 李琼 | A kind of check-valves |
| CN208474567U (en) * | 2018-03-30 | 2019-02-05 | 浙江宝丰阀门有限公司 | Swing check valve |
-
2019
- 2019-08-15 CN CN201910751352.3A patent/CN110397769B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4330006A (en) * | 1979-08-16 | 1982-05-18 | Kraftwerk Union Aktiengesellschaft | Damping device for check valves |
| CN2228163Y (en) * | 1995-02-23 | 1996-05-29 | 王战友 | Slow-closure type ckeck valve |
| JP2000009241A (en) * | 1998-06-23 | 2000-01-11 | Morita Tekkosho:Kk | Check valve |
| CN201416674Y (en) * | 2009-06-03 | 2010-03-03 | 环球阀门集团有限公司 | Steam bleeding check valve |
| CN202100821U (en) * | 2011-06-16 | 2012-01-04 | 伯特利阀门集团有限公司 | High-performance delay-close check valve |
| CN202109037U (en) * | 2011-06-22 | 2012-01-11 | 安徽铜都阀门股份有限公司 | Side opening energy-saving slow closing check valve |
| US20130232961A1 (en) * | 2012-03-06 | 2013-09-12 | Kwin Abram | Adaptive valve spring retainer with vibration damping |
| CN104676055A (en) * | 2014-12-26 | 2015-06-03 | 上海亚核阀业成套有限公司 | Low-shake low-noise water-hammer-free check valve |
| CN207080654U (en) * | 2017-07-12 | 2018-03-09 | 河南鸿佳伟业机械设备有限公司 | A kind of ramp type three-level Slow Close non-return butterfly valve |
| CN207961634U (en) * | 2018-01-07 | 2018-10-12 | 江苏华斯泰阀门制造有限公司 | Slow closed check damper |
| CN208474567U (en) * | 2018-03-30 | 2019-02-05 | 浙江宝丰阀门有限公司 | Swing check valve |
| CN108953695A (en) * | 2018-08-13 | 2018-12-07 | 李琼 | A kind of check-valves |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096929A (en) * | 2020-08-29 | 2020-12-18 | 段井胜 | Swing check valve |
| CN112096929B (en) * | 2020-08-29 | 2022-04-26 | 浙江冠正阀门股份有限公司 | Swing check valve |
| CN112081966A (en) * | 2020-09-25 | 2020-12-15 | 武芳 | Swing check valve |
| CN112081966B (en) * | 2020-09-25 | 2021-12-17 | 浙江阿尔法阀门有限公司 | Swing check valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110397769B (en) | 2020-09-01 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200804 Address after: 325000 No. 32 Qiang Road, Yongxing street, Longwan District, Zhejiang, Wenzhou Applicant after: LIANGGONG VALVE GROUP Co.,Ltd. Address before: 315000 Room 805, Hongshu Bay, Jiaochuan Street, Zhenhai District, Ningbo City, Zhejiang Province Applicant before: Huang Honggang |
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