CN204878880U - Swing check valve - Google Patents
Swing check valve Download PDFInfo
- Publication number
- CN204878880U CN204878880U CN201520468197.1U CN201520468197U CN204878880U CN 204878880 U CN204878880 U CN 204878880U CN 201520468197 U CN201520468197 U CN 201520468197U CN 204878880 U CN204878880 U CN 204878880U
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- China
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- connecting rod
- valve body
- bolt
- valve
- pin
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Abstract
The utility model discloses a swing check valve, technical field is designed for the water valve in affiliated field, including valve body, valve clack, connecting rod, bolt, nut, split pin, cylindric lock, apron, stand, fixed pin, bolted connection use to the pipeline in -connection of connecting rod and valve body between valve clack and the connecting rod, the right -hand member screw in nut of bolt, and the right -hand member that lies in the nut on the bolt is provided with the split pin, can prevent effectively that the not hard up back of nut from dropping from the right -hand member of bolt, and connecting rod and valve clack are connected reliably, and the top of valve body is used and is lapped the closing cap, and both use bolt fixed connection, the utility model discloses a swing check valve, the one -way circulation of rivers realizes conveniently, the relative valve body of connecting rod and valve clack rotates in a flexible way, the connecting rod is connected reliably with the valve body, simple structure, the right side that the bottom surface of apron lies in the fixed pin is provided with two stands, prevented valve clack and connecting rod under the impact of rivers and the valve body bump, improved life.
Description
Technical field
The utility model relates to water valve design field, particularly relates to a kind of Swing check valve.
Background technique
Swing check valve is also known as one-way valve or check valve, its effect prevents the medium in pipeline from flowing backwards, open-shut device leans on the strength of media flow or manually opened or closedown, the valve flow backwards to prevent medium is on safety check, at present on the market most of this kind of check valve receptacle when closing and valve body produce and collide, valve interior wall is easily made easily to be damaged, some valve bodies have also installed cushion pad on valve seat, sealing gasket, but after this material contact liq, often there is swelling, this situation often causes its cushion pad, the sealing of sealing gasket declines greatly, in addition, connection between safety check and valve body at present adopt is holed more on valve body, and then connect safety check and valve body by pin, due to valve body borehole accuracy problem, easily cause closure of check ring not tight, have an accident.
Model utility content
The purpose of this utility model is exactly to overcome the defect that most of check valve receptacle is easily damaged and closure of check ring is not tight on the market at present, devise a kind of Swing check valve, connecting rod rotates flexibly with flap relative to valve body, and connecting rod is connected with valve body reliably, structure is simple, long service life.
The required technical problem solved of the utility model can be achieved through the following technical solutions:
A kind of Swing check valve, comprise valve body, flap, connecting rod, bolt, nut, described connecting rod is connected with in the pipeline of described valve body, be connected with described bolt between described flap with described connecting rod, the right-hand member of described bolt screws in described nut, also comprises cotter pin, straight pin, cover plate, column, fixing pin, and the right-hand member that described bolt is positioned at described nut is provided with described cotter pin, the described cover plate capping in top of described valve body, both are fixedly connected with bolt.
Be processed with groove in described valve body, groove shape is " convex " font, and namely the top of described connecting rod is embedded in this " convex " font groove.
The top of described connecting rod is processed with cylindrical hole, and described straight pin is just inserted in this cylindrical hole, then described straight pin is put into together with described connecting rod " convex " font groove of described valve inner, forms revolute pair with described valve body.
The bottom surface of described cover plate is provided with fixing pin, after described straight pin and described connecting rod embed described valve body, is fixed above it by described fixing pin.
The right side that the bottom surface of described cover plate is positioned at described fixing pin is provided with two described columns.
Owing to have employed above technological scheme, the utility model tool has the following advantages:
Adopt valve body, flap, connecting rod, bolt, nut, cotter pin, straight pin, cover plate, column, the Swing check valve of fixing pin combined together design, groove is processed with in valve body, groove shape is " convex " font, achieve the one-way flow of current easily, the top of connecting rod is processed with cylindrical hole, straight pin is just inserted in this cylindrical hole, then straight pin is put into together with connecting rod " convex " font groove of valve inner, revolute pair is formed with valve body, connecting rod and flap are together and rotate flexibly between valve body, the bottom surface of cover plate is provided with fixing pin, after straight pin and connecting rod embed valve body, the pin that is fixed above it is fixed, connecting rod can not drop in the groove of valve body, connect reliable, structure is simple, the right side that the bottom surface of cover plate is positioned at fixing pin is provided with two root posts, flap and connecting rod is prevented to collide with valve body under the impact of current, improve working life.
Accompanying drawing explanation
Fig. 1 is the utility model structure forward sight cut-away illustration;
Fig. 2 is the utility model structure schematic top plan view;
Fig. 3 is the utility model cover plate elevational schematic view;
In figure, each assembly and reference character are respectively: 1, valve body; 2, flap; 3, connecting rod; 4, bolt; 5, nut; 6, cotter pin; 7, straight pin; 8, cover plate; 9, column; 10, fixing pin.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
A kind of Swing check valve, comprise valve body 1, flap 2, connecting rod 3, bolt 4, nut 5, cotter pin 6, straight pin 7, cover plate 8, column 9, fixing pin 10, connecting rod 3 is connected with in the pipeline of valve body 1, be connected with bolt 4 between flap 2 with connecting rod 3, the right-hand member of bolt 4 screws in nut 5, the right-hand member that bolt 4 is positioned at nut 5 is provided with cotter pin 6, drop from the right-hand member of bolt 4 after can effectively preventing nut 5 from loosening, connecting rod 3 is connected with flap 2 reliably, top cover plate 8 capping of valve body 1, both are fixedly connected with bolt.
Groove is processed with in valve body 1, groove shape is " convex " font, namely the top of connecting rod 3 is embedded in this " convex " font groove, water enters rear impact flap 2 from valve body 1 left side pipeline and promotes connecting rod 3 and rotate, pipeline is opened, and water passes through in pipeline, if right side hydraulic pressure exceedes left side hydraulic pressure, connecting rod 3 and flap 2 under the effect of current and own wt by closedown of pipeline, current end, and achieve the one-way flow of current easily.
The top of connecting rod 3 is processed with cylindrical hole, straight pin 7 is just inserted in this cylindrical hole, then straight pin 7 is put into together with connecting rod 3 " convex " font groove of valve body 1 inside, form revolute pair with valve body 1, connecting rod 3 and flap 2 can rotate together and between valve body 1 neatly.
The bottom surface of cover plate 8 is provided with fixing pin 10, and after straight pin 7 and connecting rod 3 embed valve body 1, the pin 10 that is fixed above it is fixed, and connecting rod 3 can not drop in the groove of valve body 1, and connect reliable, structure is simple.
The right side that the bottom surface of cover plate 8 is positioned at fixing pin 10 is provided with two root posts 9, when under flap 2 with the impact of connecting rod 3 at current during opening conduits, column 9 can prevent flap 2 and connecting rod 3 from colliding with valve body 1 under the impact of current, causes the damage of part, improves working life.
Swing check valve disclosed in the utility model, groove is processed with in valve body 1, groove shape is " convex " font, achieve the one-way flow of current easily, the top of connecting rod 3 is processed with cylindrical hole, straight pin 7 is just inserted in this cylindrical hole, then straight pin 7 is put into together with connecting rod 3 " convex " font groove of valve body 1 inside, revolute pair is formed with valve body 1, connecting rod 3 and flap 2 are together and rotate flexibly between valve body 1, the bottom surface of cover plate 8 is provided with fixing pin 10, after straight pin 7 and connecting rod 3 embed valve body 1, the pin 10 that is fixed above it is fixed, connecting rod 3 can not drop in the groove of valve body 1, connect reliable, structure is simple, the right side that the bottom surface of cover plate 8 is positioned at fixing pin 10 is provided with two root posts 9, flap 2 and connecting rod 3 is prevented to collide with valve body 1 under the impact of current, improve working life.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a Swing check valve, comprise valve body, flap, connecting rod, bolt, nut, described connecting rod is connected with in the pipeline of described valve body, be connected with described bolt between described flap with described connecting rod, the right-hand member of described bolt screws in described nut, it is characterized in that: also comprise cotter pin, straight pin, cover plate, column, fixing pin, and the right-hand member that described bolt is positioned at described nut is provided with described cotter pin, the described cover plate capping in top of described valve body, both are fixedly connected with bolt.
2. a kind of Swing check valve according to claim 1, it is characterized in that: be processed with groove in described valve body, groove shape is " convex " font, and namely the top of described connecting rod is embedded in this " convex " font groove.
3. a kind of Swing check valve according to claim 1 or 2, it is characterized in that: the top of described connecting rod is processed with cylindrical hole, described straight pin is just inserted in this cylindrical hole, then described straight pin is put into together with described connecting rod " convex " font groove of described valve inner, form revolute pair with described valve body.
4. a kind of Swing check valve according to claim 1, is characterized in that: the bottom surface of described cover plate is provided with fixing pin, after described straight pin and described connecting rod embed described valve body, is fixed above it by described fixing pin.
5. a kind of Swing check valve according to claim 1, is characterized in that: the right side that the bottom surface of described cover plate is positioned at described fixing pin is provided with two described columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520468197.1U CN204878880U (en) | 2015-06-29 | 2015-06-29 | Swing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520468197.1U CN204878880U (en) | 2015-06-29 | 2015-06-29 | Swing check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204878880U true CN204878880U (en) | 2015-12-16 |
Family
ID=54823254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520468197.1U Active CN204878880U (en) | 2015-06-29 | 2015-06-29 | Swing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204878880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321904A (en) * | 2015-06-29 | 2017-01-11 | 安徽纵横泵阀制造有限公司 | Swing check valve |
-
2015
- 2015-06-29 CN CN201520468197.1U patent/CN204878880U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321904A (en) * | 2015-06-29 | 2017-01-11 | 安徽纵横泵阀制造有限公司 | Swing check valve |
| CN106321904B (en) * | 2015-06-29 | 2018-09-25 | 安徽纵横泵阀制造有限公司 | A kind of swing check valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A swing check valve Effective date of registration: 20230914 Granted publication date: 20151216 Pledgee: Agricultural Bank of China Limited Qingyang County Branch Pledgor: ANHUI ZONGHENG PUMP & VALVE MANUFACTURING Co.,Ltd. Registration number: Y2023980056769 |