CN206221720U - A kind of Novel swing check valve - Google Patents
A kind of Novel swing check valve Download PDFInfo
- Publication number
- CN206221720U CN206221720U CN201621111392.XU CN201621111392U CN206221720U CN 206221720 U CN206221720 U CN 206221720U CN 201621111392 U CN201621111392 U CN 201621111392U CN 206221720 U CN206221720 U CN 206221720U
- Authority
- CN
- China
- Prior art keywords
- rotation
- rocking arm
- valve
- bonnet
- 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.)
- Expired - Fee Related
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- Check Valves (AREA)
Abstract
The utility model discloses a kind of Novel swing check valve, including bonnet, valve body, flap, angular adjustment cylinder and rocking arm are opened in rotation, valve seat is provided with the valve body, the middle part of slide hinged rocking arm on the valve interior wall of valve seat upper end, rocking arm upper end connects balancing weight, rocking arm upper end connects flap by clamping screw, rotation is connected with the outside of the rocking arm lower end open angle adjustment plate, rotation is installed on the bonnet that rotation is opened above angle adjustment plate and opens angular adjustment cylinder, a kind of Novel swing check valve, improve the sensitivity that flap is opened and closed, realize opening rotation the adjustment of the angle adjustment plate upper rocker arm anglec of rotation, so as to realize the regulation of check-valves flow;Good buffer effect, extends life-span and the security of check-valves.
Description
Technical field
The utility model is related to valve technology field, specifically a kind of Novel swing check valve.
Background technology
Check-valves is used to prevent the refluence of medium in pipeline.When the medium forward flow in pipeline, the flap of check-valves
Automatically turned in the presence of medium power, when the medium reverse flow in pipeline, flap is closed automatically in the presence of medium power
Close.At present, using it is commonplace be swing check valve that flap rotates around valve body bearing pin.
Existing swing check valve opening and closing element is turned on and off by the strength of media flow, but, usual valve body cannot
Realize the regulation of uninterrupted, and the flap of rocker bottom rotates and needs the media impingement of larger pressure and could open, and needs
Overcome larger gravitational moment, so as to cause the more difficult low-pressure of flap to open, the sensitivity level that influence is used, meanwhile, in flap quilt
After unlatching, the inwall that rocking arm is rotated up also easily with valve body collides, and under the continuous shock of rocking arm, valve interior wall easily occurs
Damaged to be even broken, so as to greatly shorten the service life of valve, the normal of influence check-valves is used.
Utility model content
The purpose of this utility model is to provide a kind of Novel swing check valve, to solve to be proposed in above-mentioned background technology
Problem.
To achieve the above object, the utility model provides following technical scheme:
A kind of Novel swing check valve, including bonnet, valve body, flap, rotation open angular adjustment cylinder and rocking arm, the valve body
One end is provided with valve export, and the valve body other end is provided with valve inlet, and valve seat is provided with valve body, sliding on the valve interior wall of valve seat upper end
The dynamic middle part for being hinged rocking arm, rocking arm upper end connection balancing weight, rocking arm lower end connects flap, the rocking arm lower end by clamping screw
Outside be connected with rotation and open angle adjustment plate, being provided with rotation on the bonnet that rotation is opened above angle adjustment plate opens angular adjustment cylinder, rotation
Open and lifting chute is provided with angular adjustment cylinder, lifter slide is provided with lifting chute, lifter slide upper end is inlaid with embedded rotating
Block, embedded rotating block upper end connection screw thread bar, threaded rod upper end passes bonnet connection rotation and opens angular adjustment handwheel, and the lifting is slided
Plate lower end connects compression bar, and compression bar bottom passes rotation and opens angular adjustment cylinder, and compression bar bottom is provided with dashpot, is set in dashpot
Limited location sliding block, position limiting slide block upper end connection buffer spring, buffer spring upper end connection compression bar, position limiting slide block lower end connection is slow
Jumper bar, buffer bar bottom passes compression bar connection elastic buffer ball.
As further program of the utility model:The flap is arranged on the inner side of rocking arm lower end.
As further program of the utility model:The rotation is opened angle adjustment plate and is set parallel to rocking arm.
As further program of the utility model:Bonnet, valve have been connected by screw on the valve body of the rocking arm upper end
Gasket seal is provided between lid and valve body.
As further program of the utility model:The threaded rod is arranged with sealing limiting plate with bonnet junction, close
Envelope limiting plate is fixed on bonnet.
Compared with prior art, the beneficial effects of the utility model are:A kind of Novel swing check valve, structural member
It is single, it is easy to use, realize that valve inlet end low-pressure lower Disc can also be opened, improve the sensitivity that flap is opened and closed, and valve
Good sealing effect between valve and valve seat;The adjustment of buffer bar and compression bar height is realized, further realizes opening angular adjustment to rotation
The adjustment of the plate upper rocker arm anglec of rotation, so as to realize the regulation of check-valves flow;Good buffer effect, it is to avoid flap clashes into impaired,
Extend life-span and the security of check-valves.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 opens the structural representation of angular adjustment cylinder to be revolved in the utility model.
In figure:1- screws, 2- bonnets, 3- gasket seals, 4- valve bodies, 5- valve exports, 6- clamping screws, 7- flaps, 8-
Valve seat, 9- valve inlets, 10- rotations are opened angular adjustment handwheel, 11- rotations and open angular adjustment cylinder, 12- rotations and open angle adjustment plate, 13- and shake
Arm, 14- balancing weights, 15- sealing limiting plate, 16- threaded rods, 17- embedded rotatings block, 18- lifter slides, 19- lifting chute,
20- buffer springs, 21- position limiting slide blocks, 22- buffer bars, 23- compression bars, 24- dashpots, 25- elastic buffer balls.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1~2, in the utility model embodiment, a kind of Novel swing check valve, including bonnet 2, valve body 4,
Flap 7, rotation open angular adjustment cylinder 11 and rocking arm 13, and the one end of the valve body 4 is provided with valve export 5, and the other end of valve body 4 is provided with valve
Valve seat 8 is provided with import 9, valve body 4, the middle part of slide hinged rocking arm 13, the upper end of rocking arm 13 on the inwall of valve body 4 of the upper end of valve seat 8
Connection balancing weight 14, the upper end of rocking arm 13 connects flap 7 by clamping screw 6, and flap 7 is arranged on the inner side of the lower end of rocking arm 13, and
Rotation can be hinged by rocking arm 13 makes flap 7 form sealing with valve seat 4, and the upper end of rocking arm 13 connection balancing weight 14 effectively mitigates rocking arm
13 drive flaps 7 rotate required dynamics, so as to realize that the end low-pressure lower Disc 7 of valve inlet 9 can also be opened, improve flap
7 sensitivity for opening and closing, and good sealing effect between flap 7 and valve seat 4.
Rotation is connected with the outside of the lower end of the rocking arm 13 and opens angle adjustment plate 12, rotation opens angle adjustment plate 12 parallel to rocking arm
13 are set, and bonnet 2 is connected with by screw 1 on the valve body 4 of the upper end of rocking arm 13, and gasket seal 3 is provided between bonnet 2 and valve body 4,
The rotation is opened and rotation is provided with the bonnet 2 of the top of angle adjustment plate 12 opens angular adjustment cylinder 11, and rotation is opened and set in angular adjustment cylinder 11
There is lifting chute 19, lifter slide 18 is provided with lifting chute 19, the upper end of lifter slide 18 is inlaid with embedded rotating block 17, embedded
The upper end connection screw thread bar 16 of spill spin block 17, the upper end of threaded rod 16 passes the connection rotation of bonnet 2 and opens angular adjustment handwheel 10, threaded rod 16
Sealing limiting plate 15 is arranged with the junction of bonnet 2, sealing limiting plate 15 is fixed on bonnet 2, the lower end of the lifter slide 18
Connection compression bar 23, the bottom of compression bar 23 passes rotation and opens angular adjustment cylinder 11, and the bottom of compression bar 23 is provided with dashpot 24, dashpot
Position limiting slide block 21, the upper end of position limiting slide block 21 connection buffer spring 20, the upper end of buffer spring 20 connection compression bar 23, institute are provided with 24
The lower end of position limiting slide block 21 connection buffer bar 22 is stated, the bottom of buffer bar 22 passes the connection elastic buffer of compression bar 23 ball 25.
When using, opening angular adjustment handwheel 10 by rotating rotation makes threaded rod 16 be rotated upwardly and downwardly relative to bonnet 2, so that logical
The embedded rotating block 17 for crossing the connection of the bottom of threaded rod 16 drives lifter slide 18 to be moved up and down in lifting chute 19, realizes buffering
The adjustment of bar 22 and the height of compression bar 23, further realizes opening rotation the adjustment of the anglec of rotation of 12 upper rocker arm of angle adjustment plate 13,
When flap 7 is opened, the rotating percussion elastic buffer ball 25 of angle adjustment plate 12, elastic buffer ball 25 and buffering elastic are opened in rocking arm 13 and rotation
The shock dynamics that angle adjustment plate 12 is opened in 20 pairs of rotations of spring slows down, good buffer effect, it is to avoid flap 7 clashes into impaired, and extension stops
Return life-span and the security of valve.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (5)
1. angular adjustment cylinder and rocking arm are opened in a kind of Novel swing check valve, including bonnet, valve body, flap, rotation, and its feature exists
In described valve body one end is provided with valve export, and the valve body other end is provided with valve inlet, and valve seat is provided with valve body, valve seat upper end
The middle part of slide hinged rocking arm on valve interior wall, rocking arm upper end connection balancing weight, rocking arm lower end connects flap by clamping screw,
Rotation is connected with the outside of the rocking arm lower end and opens angle adjustment plate, being provided with rotation on the bonnet that rotation is opened above angle adjustment plate opens angle
Degree adjustment barrel, rotation is opened and lifting chute is provided with angular adjustment cylinder, and lifter slide is provided with lifting chute, and lifter slide upper end is inlayed
There are embedded rotating block, embedded rotating block upper end connection screw thread bar, threaded rod upper end passes bonnet connection rotation and opens angular adjustment handwheel,
The lifter slide lower end connects compression bar, and compression bar bottom passes rotation and opens angular adjustment cylinder, and compression bar bottom is provided with dashpot,
Position limiting slide block, position limiting slide block upper end connection buffer spring, buffer spring upper end connection compression bar, position limiting slide block are provided with dashpot
Lower end connects buffer bar, and buffer bar bottom passes compression bar connection elastic buffer ball.
2. a kind of Novel swing check valve according to claim 1, it is characterised in that the flap is arranged under rocking arm
The inner side at end.
3. a kind of Novel swing check valve according to claim 1, it is characterised in that the rotation is opened angle adjustment plate and put down
Row is set in rocking arm.
4. a kind of Novel swing check valve according to claim 1, it is characterised in that on the valve body of the rocking arm upper end
Bonnet is connected by screw, gasket seal has been provided between bonnet and valve body.
5. a kind of Novel swing check valve according to claim 1, it is characterised in that the threaded rod is connected with bonnet
Place is arranged with sealing limiting plate, and sealing limiting plate is fixed on bonnet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621111392.XU CN206221720U (en) | 2016-10-11 | 2016-10-11 | A kind of Novel swing check valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621111392.XU CN206221720U (en) | 2016-10-11 | 2016-10-11 | A kind of Novel swing check valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206221720U true CN206221720U (en) | 2017-06-06 |
Family
ID=58783274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621111392.XU Expired - Fee Related CN206221720U (en) | 2016-10-11 | 2016-10-11 | A kind of Novel swing check valve |
Country Status (1)
Country | Link |
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CN (1) | CN206221720U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108253163A (en) * | 2018-02-05 | 2018-07-06 | 东莞市顺达空调净化设备有限公司 | Thin type is adjustable unidirectional relief valve |
CN109578636A (en) * | 2018-12-28 | 2019-04-05 | 安徽大众阀门有限公司 | A kind of adjustable check valve |
CN112145756A (en) * | 2020-09-07 | 2020-12-29 | 葛玉珍 | Anti-impact swing check valve |
-
2016
- 2016-10-11 CN CN201621111392.XU patent/CN206221720U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108253163A (en) * | 2018-02-05 | 2018-07-06 | 东莞市顺达空调净化设备有限公司 | Thin type is adjustable unidirectional relief valve |
CN109578636A (en) * | 2018-12-28 | 2019-04-05 | 安徽大众阀门有限公司 | A kind of adjustable check valve |
CN112145756A (en) * | 2020-09-07 | 2020-12-29 | 葛玉珍 | Anti-impact swing check valve |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20201011 |
|
CF01 | Termination of patent right due to non-payment of annual fee |