CN203571124U - Swing check valve - Google Patents
Swing check valve Download PDFInfo
- Publication number
- CN203571124U CN203571124U CN201320729136.7U CN201320729136U CN203571124U CN 203571124 U CN203571124 U CN 203571124U CN 201320729136 U CN201320729136 U CN 201320729136U CN 203571124 U CN203571124 U CN 203571124U
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- Prior art keywords
- rocking bar
- abrasionproof
- flap
- valve body
- swing check
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Abstract
The utility model discloses a swing check valve. The swing check valve comprises a valve body and valve clacks, wherein the valve clacks are connected to the valve body through a rocker, a first abrasion prevention assembly used for preventing rotational motion from generating abrasion is arranged between the rocker and the valve body, and a second abrasion prevention assembly used for preventing rotational motion from generating abrasion is arranged between the rocker and the valve clacks. By improving the structure of a rocker and valve clacks of an original swing check valve, the swing check valve which is not tight in sealing performance due to abrasion to the rocker and inner holes of the valve clacks can be reused again, shut-down time of a pipe network can be shortened, and the replacement expense of the valve is lowered. The swing check valve is applicable to the field of swing check valves in various specifications.
Description
Technical field
The utility model relates to valve field, especially, relates to a kind of Swing check valve
Background technique
Swing check valve rocking bar and valve body are by the axle of having strong market potential at present, rocking bar is take the axle of having strong market potential as running shaft, in valve body, rotate, flap connects flap take short pin shaft as running shaft with rocking bar by a short pin shaft, with rocking bar, do relatively to swing, in effect lower Disc and the valve body sealing surface laminating of pressure medium, seal simultaneously.In use, flap, in opening and closing process, rotates by rocking bar endoporus and the axle of having strong market potential Swing check valve, thereby causes the wearing and tearing of rocking bar endoporus, and pipe network is increased because replacing valve causes operating cost, simultaneously, flap endoporus and short pin shaft rotate, the rocking bar endoporus producing and the wearing and tearing of flap endoporus cause the reduction of Swing check valve sealability to shorten its working life, make it produce wearing and tearing, due to flap own wt, rocking bar and flap endoporus are ground into elliptical aperture, therefore easily cause flap and sealing surface to be not closed completely, Swing check valve was lost efficacy, Swing check valve cannot primer liner control after losing efficacy effect, and must carry out integral replacing, valve carries out integral replacing, make pipeline overlong time out of service, thereby cause larger economic loss.
Model utility content
The utility model object is to provide a kind of Swing check valve, causes the technical problem of valve overall structure disabler to solve valve body connection hole in using process, rocking bar attachment hole and the wearing and tearing of valve plate attachment hole.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of Swing check valve, comprise valve body and flap, flap is connected on valve body by rocking bar, and between rocking bar and valve body, being provided with prevents from rotatablely moving produces the first abrasionproof assembly of wearing and tearing, and between rocking bar and flap, being provided with prevents from rotatablely moving produces the second abrasionproof assembly of wearing and tearing.
Further, the first abrasionproof assembly comprises the first roll piece of arranging along the hoop of the coupling shaft between valve body and rocking bar; The second abrasionproof assembly comprises the second roll piece of arranging along the hoop of the coupling shaft between flap and rocking bar.
Further, the first abrasionproof assembly comprises connecting valve body and rocking bar and is convenient to valve body and rocking bar makees the first bearing pin of relative rotary motion and in order to prevent that valve body and rocking bar from makeing relative rotary motion and producing mutually the first abrasionproof lining of wearing and tearing, the first abrasionproof lining is set in the first bearing pin outer surface, or the first abrasionproof lining is located in the axis hole in the axis hole on valve body and/or on rocking bar.
Further, the first abrasionproof lining is set in respectively the position that position that the first bearing pin contacts with valve body and the first bearing pin contact with rocking bar; The first abrasionproof lining is movable dismountable abrasionproof lining.
Further, the second abrasionproof assembly comprises connecting flap and rocking bar and is convenient to flap and rocking bar makees the second bearing pin of relative rotary motion and in order to prevent that flap and rocking bar from makeing relative rotary motion and producing mutually the second abrasionproof lining of wearing and tearing, the second abrasionproof lining is set in the second bearing pin outer surface, or the second abrasionproof lining is located in the axis hole in the axis hole on flap and/or on rocking bar.
Further, the second abrasionproof lining is set in respectively the position that position that the second bearing pin contacts with flap and the second bearing pin contact with rocking bar; The second abrasionproof lining is movable dismountable abrasionproof lining.
Further, one end that rocking bar is connected with valve body is that one end that two poles and/or rocking bar are connected with flap is two poles.
Further, the position of rocking bar connection valve body and/or flap is made as curved configuration.
On valve body, be also provided with valve gap, valve gap is located on the valve body of joint of flap and valve body, and valve gap is provided with the eyeglass of the activity situation of observing the first abrasionproof assembly and the second abrasionproof assembly.
Further, the assembly that the first abrasionproof assembly and/or the second abrasionproof assembly are Whole-dismountable.
The utlity model has following beneficial effect:
This Swing check valve connects respectively valve body and flap motion for the relative rotation by rocking bar, utilizes the mobile flap of washing open of medium, utilizes the deadweight of flap to close flap; The wearing and tearing between rocking bar and valve body and active connection when subduing relative rotary motion of the first abrasionproof assembly are set between rocking bar and valve body, thereby increase the service life; The mutual wearing and tearing between rocking bar and flap and active connection when subduing relative movement of the second abrasionproof assembly are set between rocking bar and flap, effectively avoid due to problems such as the flap that wearing and tearing cause is not closed completely, the inefficacies of rotary-open type non-return, guarantee the control action of pipeline, the economic loss that minimizing brings due to overall maintain and replace, reduces manufacture cost and user cost.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the Swing check valve of the utility model preferred embodiment;
Fig. 2 is the structural representation of the flap of the utility model preferred embodiment;
Fig. 3 is one of structural representation of the rocking bar of the utility model preferred embodiment;
Fig. 4 be the rocking bar of the utility model preferred embodiment structural representation two.
Marginal data:
1, valve body; 2, flap; 3, rocking bar; 4, the first abrasionproof assembly; 401, the first bearing pin; 402, the first abrasionproof lining; 5, the second abrasionproof assembly; 501, the second bearing pin; 502, the second abrasionproof lining; 6, two poles; 7, curved configuration; 8, valve gap.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 1 is the structural representation of the Swing check valve of the utility model preferred embodiment; Fig. 2 is the structural representation of the flap of the utility model preferred embodiment; Fig. 3 is one of structural representation of the rocking bar of the utility model preferred embodiment; Fig. 4 be the rocking bar of the utility model preferred embodiment structural representation two.
As shown in Figure 1, the Swing check valve of the present embodiment, comprise valve body 1 and flap 2, flap 2 is connected on valve body 1 by rocking bar 3, between rocking bar 3 and valve body 1, being provided with prevents from rotatablely moving produces the first abrasionproof assembly 4 of wearing and tearing, and between rocking bar 3 and flap 2, being provided with prevents from rotatablely moving produces the second abrasionproof assembly 5 of wearing and tearing.This Swing check valve connects respectively valve body 1 and flap 2 motion for the relative rotation by rocking bar 3, utilizes the mobile flap 2 of washing open of medium, utilizes the deadweight of flap 2 to close flap 2; The wearing and tearing between rocking bar 3 and valve body 1 and active connection when subduing relative rotary motion of the first abrasionproof assembly 4 are set between rocking bar 3 and valve body 1, thereby increase the service life; The mutual wearing and tearing between rocking bar 3 and flap 2 and active connection when subduing relative movement of the second abrasionproof assembly 5 are set between rocking bar 3 and flap 2, the problems such as the flap 2 of effectively avoiding causing due to wearing and tearing is not closed completely, the inefficacy of rotary-open type non-return, guarantee the control action of pipeline, the economic loss that minimizing brings due to overall maintain and replace, reduces manufacture cost and user cost.
As shown in Figure 1, in the present embodiment, the first abrasionproof assembly 4 comprises the first roll piece of arranging along the hoop of the coupling shaft between valve body 1 and rocking bar 3, and the second abrasionproof assembly 5 comprises the second roll piece of arranging along the hoop of the coupling shaft between flap 2 and rocking bar 3.By the hoop at coupling shaft, lay the mode of roll piece, little, the mutual friction of the surface of contact that mutually rolls is little, can effectively reduce the relative friction causing owing to rotatablely moving, thereby reduce valve body 1, be flexibly connected with rocking bar 3 wearing and tearing that bring with rocking bar 3 and flap 2.
As shown in Figure 1, Figure 3 and Figure 4, in the present embodiment, the first abrasionproof assembly 4 comprises connecting valve body 1 with rocking bar 3 and is convenient to that valve body 1 makees the first bearing pin 401 of relative rotary motion with rocking bar 3 and in order to prevent that valve body 1 and rocking bar 3 from makeing relative rotary motion and producing the first abrasionproof lining 402 of wearing and tearing mutually, the first abrasionproof lining 402 is set in the first bearing pin 401 outer surfaces, or the first abrasionproof lining 402 is located in the axis hole in the axis hole on valve body 1 and/or on rocking bar 3.By the position being connected with coupling shaft the first bearing pin 401 respectively at valve body 1 and/or rocking bar 3, add the mode of the first abrasionproof lining 402, reduce valve body 1 and/or rocking bar 3 respectively and the wearing and tearing that bring by rotatablely moving between the first bearing pin 401, the component wear bringing thereby reduction Swing check valve internal activity part moves, extend the working life of Swing check valve, guarantee the pipeline control action of Swing check valve entirety.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, the first abrasionproof lining 402 is set in respectively the position that position that the first bearing pin 401 contacts with valve body 1 and the first bearing pin 401 contact with rocking bar 3; The first abrasionproof lining 402 is movable dismountable abrasionproof lining.By being set in the contact position of valve body 1 and rocking bar 3 and the first bearing pin 401, the first abrasionproof lining 402 effectively reduces the wearing and tearing that rotatablely move and bring to valve body 1 and rocking bar 3; Movable dismountable the first abrasionproof lining 402 is set, can to the first abrasionproof lining 402, changes at any time, the various negative consequences of bringing to solve wearing and tearing, avoid cost consumption and time loss that the integral replacing of Swing check valve is brought.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, the second abrasionproof assembly 5 comprises connecting flap 2 with rocking bar 3 and is convenient to that flap 2 makees the second bearing pin 501 of relative rotary motion with rocking bar 3 and in order to prevent that flap 2 and rocking bar 3 from makeing relative rotary motion and producing the second abrasionproof lining 502 of wearing and tearing mutually, the second abrasionproof lining 502 is set in the second bearing pin 501 outer surfaces, or the second abrasionproof lining 502 is located in the axis hole in the axis hole on flap 2 and/or on rocking bar 3.By the position being connected with coupling shaft the second bearing pin 501 respectively at flap 2 and/or rocking bar 3, add the mode of the second abrasionproof lining 502, reduce flap 2 and/or rocking bar 3 respectively and the wearing and tearing that bring by rotatablely moving between the second bearing pin 501, the component wear bringing thereby reduction Swing check valve internal activity part moves, extend the working life of Swing check valve, guarantee the pipeline control action of Swing check valve entirety.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, the second abrasionproof lining 502 is set in respectively the position that position that the second bearing pin 501 contacts with flap 2 and the second bearing pin 501 contact with rocking bar 3; The second abrasionproof lining 502 is movable dismountable abrasionproof lining.By being set in the contact position of flap 2 and rocking bar 3 and the second bearing pin 501, the second abrasionproof lining 502 effectively reduces the wearing and tearing that rotatablely move and bring to flap 2 and rocking bar 3; Movable dismountable the second abrasionproof lining 502 is set, can to the second abrasionproof lining 502, changes at any time, the various negative consequences of bringing to solve wearing and tearing, avoid cost consumption and time loss that the integral replacing of Swing check valve is brought.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, one end that rocking bar 3 is connected with valve body 1 is that one end that two poles 6 and/or rocking bar 3 are connected with flap 2 is two poles 6.By two poles 6, connect valve body 1 and/or flap 2, the stability of rotation is better, can better open and line seal; Simultaneously for the unlatching of flap 2 provides stable rotatablely moving, can reduce the phase mutual friction between valve body 1, flap 2, rocking bar 3 threes' attachment hole and link, reduce valve body 1, flap 2, rocking bar 3 threes' wearing and tearing, thereby improve overall working life, guarantee the control action of pipeline.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, the position that rocking bar 3 connects valve body 1 and/or flap 2 is made as curved configuration 7.By curved configuration 7, form flap 2 and transform from the transverse component of gravity, thus make transverse force that the deadweight that utilizes flap 2 changes into completely sealing pipeline reach the effect of non-return, reduce the probability that flap 2 and sealing surface are not closed completely.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, on valve body 1, be also provided with valve gap 8, valve gap 8 is located on the valve body 1 of joint of flap 2 and valve body 1, and valve gap 8 is provided with the eyeglass of the activity situation of observing the first abrasionproof assembly 4 and the second abrasionproof assembly 5.By eyeglass, just can observe timely inner the first abrasionproof assembly 4 and the abrasion condition of the second abrasionproof assembly 5 and the keying situation of flap 2, can accomplish timely from valve gap 8 maintain and replace of the first abrasionproof assembly 4 and the second abrasionproof assembly 5, thereby guarantee the normal use of Swing check valve.
As shown in Figure 1, in the present embodiment, the assembly that the first abrasionproof assembly 4 and/or the second abrasionproof assembly 5 are Whole-dismountable.By the mode of Whole-dismountable, can carry out disassembling, assembling and replacing for the entirety of the first abrasionproof assembly 4 and/or the second abrasionproof assembly 5, thereby shorten the maintenance time of Swing check valve; After being changed, wearing part on the first abrasionproof assembly 4 taking apart and/or the second abrasionproof assembly 5 can carry out again integral replacing next time, recycling rate of waterused is high, change simpler, the replacing time is shorter, because the pipeline stop time that Swing check valve problem is brought is negligible, thereby reduce user cost.
During enforcement, in original rocking bar 3 and flap 2 structures, improve, in the endoporus of rocking bar 3 and the second bearing pin 501 endoporus and flap 2 and the second bearing pin 501, be bumped into respectively the second abrasionproof lining 502, the material of the second abrasionproof lining 502 is brass, adopts brass bush can effectively alleviate wearing and tearing when rocking bar 3 rotates and flap 2 swings, even wearing and tearing to some extent, can be solved by being again bumped into new brass bush, thereby avoid causing pipeline to stop for overlong time because changing Swing check valve.Rocking bar 3 endoporus and flap 2 endoporus that matches with the second bearing pin 501 that matches with the second bearing pin 501 is bumped into brass bush; Brass bush external diameter and rocking bar 3 endoporus and flap 2 endoporus are force fit; Brass bush endoporus coordinates with the first bearing pin 401 and the second bearing pin 501 for Spielpassung.Thereby abrasionproof lining can be effectively fixed in rocking bar 3 and flap 2, and rocking bar 3 and flap 2 are rotated freely, avoid producing retardance phenomenon.By the improvement of the rocking bar 3 to original Swing check valve and flap 2 structures, can make, because the poorly sealed Swing check valve of rocking bar 3 and flap 2 endoporus wearing and tearing comes into operation again, can shorten the expense of pipe network time out of service and replacing valve.Be applicable to all size Swing check valve.
Compared with existing Swing check valve, advantage of the present invention is: can effectively guarantee the normal use of Swing check valve, improve the sealing effect of Swing check valve, reduce maintenance cost, increase the service life.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a Swing check valve, comprises valve body (1) and flap (2),
It is upper that described flap (2) is connected to described valve body (1) by rocking bar (3),
It is characterized in that,
Between described rocking bar (3) and described valve body (1), being provided with to prevent to rotatablely move produces the first abrasionproof assembly (4) of wearing and tearing,
Between described rocking bar (3) and described flap (2), being provided with prevents from rotatablely moving produces the second abrasionproof assembly (5) of wearing and tearing.
2. Swing check valve according to claim 1, is characterized in that,
Described the first abrasionproof assembly (4) comprises the first roll piece of arranging along the hoop of the coupling shaft between described valve body (1) and described rocking bar (3);
Described the second abrasionproof assembly (5) comprises the second roll piece of arranging along the hoop of the coupling shaft between described flap (2) and described rocking bar (3).
3. Swing check valve according to claim 1, is characterized in that,
Described the first abrasionproof assembly (4) comprises connecting described valve body (1) with described rocking bar (3) and is convenient to that described valve body (1) makees first bearing pin (401) of relative rotary motion with described rocking bar (3) and in order to prevent that described valve body (1) and described rocking bar (3) from makeing relative rotary motion and producing the first abrasionproof lining (402) of wearing and tearing mutually
Described the first abrasionproof lining (402) is set in described the first bearing pin (401) outer surface,
Or described the first abrasionproof lining (402) is located in the axis hole in the axis hole on described valve body (1) and/or on described rocking bar (3).
4. Swing check valve according to claim 3, is characterized in that,
Described the first abrasionproof lining (402) is set in respectively the position that position that described the first bearing pin (401) contacts with described valve body (1) and described the first bearing pin (401) contact with described rocking bar (3);
Described the first abrasionproof lining (402) is movable dismountable abrasionproof lining.
5. Swing check valve according to claim 1, is characterized in that,
Described the second abrasionproof assembly (5) comprises connecting described flap (2) with described rocking bar (3) and is convenient to that described flap (2) makees second bearing pin (501) of relative rotary motion with described rocking bar (3) and in order to prevent that described flap (2) and described rocking bar (3) from makeing relative rotary motion and producing the second abrasionproof lining (502) of wearing and tearing mutually
Described the second abrasionproof lining (502) is set in described the second bearing pin (501) outer surface,
Or described the second abrasionproof lining (502) is located in the axis hole in the axis hole on described flap (2) and/or on described rocking bar (3).
6. Swing check valve according to claim 5, is characterized in that,
Described the second abrasionproof lining (502) is set in respectively the position that position that described the second bearing pin (501) contacts with described flap (2) and described the second bearing pin (501) contact with described rocking bar (3);
Described the second abrasionproof lining (502) is movable dismountable abrasionproof lining.
7. according to the Swing check valve described in any one in claim 1 to 6, it is characterized in that, one end that described rocking bar (3) is connected with described valve body (1) is that one end that two poles (6) and/or described rocking bar (3) are connected with described flap (2) is two poles (6).
8. according to the Swing check valve described in any one in claim 1 to 6, it is characterized in that, the position that described rocking bar (3) connects described valve body (1) and/or described flap (2) is made as curved configuration (7).
9. according to the Swing check valve described in any one in claim 1 to 6, it is characterized in that,
On described valve body (1), be also provided with valve gap (8),
It is upper with the described valve body (1) of the joint of described valve body (1) that described valve gap (8) is located at described flap (2),
Described valve gap (8) is provided with the eyeglass of the activity situation of observing described the first abrasionproof assembly (4) and described the second abrasionproof assembly (5).
10. according to the Swing check valve described in any one in claim 1 to 6, it is characterized in that the assembly that described the first abrasionproof assembly (4) and/or described the second abrasionproof assembly (5) are Whole-dismountable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320729136.7U CN203571124U (en) | 2013-11-18 | 2013-11-18 | Swing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320729136.7U CN203571124U (en) | 2013-11-18 | 2013-11-18 | Swing check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203571124U true CN203571124U (en) | 2014-04-30 |
Family
ID=50538856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320729136.7U Expired - Fee Related CN203571124U (en) | 2013-11-18 | 2013-11-18 | Swing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203571124U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864129A (en) * | 2015-05-08 | 2015-08-26 | 同济大学 | Swing check valve |
| CN111945857A (en) * | 2020-08-10 | 2020-11-17 | 厦门五工科技有限公司 | Floor drain core capable of improving sealing performance |
| CN112253474A (en) * | 2020-09-23 | 2021-01-22 | 辽宁三三工业有限公司 | Pipeline countercurrent automatic blocking device for centrifugal pump system |
| CN112923098A (en) * | 2021-01-21 | 2021-06-08 | 宁波方太厨具有限公司 | Control valve and water heater circulation system |
-
2013
- 2013-11-18 CN CN201320729136.7U patent/CN203571124U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864129A (en) * | 2015-05-08 | 2015-08-26 | 同济大学 | Swing check valve |
| CN111945857A (en) * | 2020-08-10 | 2020-11-17 | 厦门五工科技有限公司 | Floor drain core capable of improving sealing performance |
| CN112253474A (en) * | 2020-09-23 | 2021-01-22 | 辽宁三三工业有限公司 | Pipeline countercurrent automatic blocking device for centrifugal pump system |
| CN112923098A (en) * | 2021-01-21 | 2021-06-08 | 宁波方太厨具有限公司 | Control valve and water heater circulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20201118 |