CN212028647U - Full-lining disc type double-disc check valve - Google Patents
Full-lining disc type double-disc check valve Download PDFInfo
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- CN212028647U CN212028647U CN202020727029.0U CN202020727029U CN212028647U CN 212028647 U CN212028647 U CN 212028647U CN 202020727029 U CN202020727029 U CN 202020727029U CN 212028647 U CN212028647 U CN 212028647U
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Abstract
The utility model discloses a full lining dish formula bivalve check valve belongs to check valve technical field, full lining dish formula bivalve check valve includes the valve casing, the threaded hole is seted up to the valve casing surface, threaded hole inside threaded connection has the threaded rod, threaded rod top end fixedly connected with changes the handle, and threaded rod one side rotates through the swivel and is connected with L type fastener, the joint has the pipeline on the L type fastener. The utility model discloses a change makes L type fastener on one side move down at the annular internal rotation, thereby it is fixed to carry out the joint to the pipeline limit shell, thereby connect the pipeline of both sides, it has the sealing washer to guarantee sealing performance to link up the position embedding, the installation of wholly being convenient for, the stiffener is fixed in valve casing and pipeline both sides, play the increasing strength effect to connecting between valve casing and the pipeline, guarantee the local stability of full lining dish formula bivalve check valve when the valve opening in-process receives water impact, be fit for being extensively promoted and used.
Description
Technical Field
The utility model relates to a check valve technical field especially relates to a full lining dish formula bivalve check valve.
Background
The full-lining disc type double-flap check valve mainly comprises a valve body, a valve flap, a valve rod, a spring and other parts which are connected in a butt clamp manner. Because the closing stroke of the valve clack is short and the spring is loaded, the water hammer phenomenon can be obviously reduced. The valve is mainly suitable for water supply and drainage pipelines of urban, industrial and high-rise buildings. The structure length is shorter than that of the common check valve, so that the check valve is most suitable for places with installation space limitation.
At present, the full-lining disc type double-flap check valve has certain defects in the technology: 1. the existing valve body is inconvenient to connect with a pipeline; 2. the full-lining disc type double-flap check valve has certain influence on local stability when being impacted by water flow in the valve opening process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a full lining dish formula bivalve check valve, make L type fastener on one side move down at the annular internal rotation through the change, thereby it is fixed to carry out the joint to the pipeline boundary shell, thereby connect the pipeline of both sides, it has the sealing washer to guarantee sealing performance to link up the position embedding, the installation of wholly being convenient for, the stiffener is fixed in valve casing and pipeline both sides, play the increase intensity effect to connecting between valve casing and the pipeline, guarantee the local stability of full lining dish formula bivalve check valve when the valve opening in-process receives water impact, can effectively solve the problem in the background art.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of full lining dish formula bivalve check valve, including the valve casing, the valve casing surface sets up threaded hole, threaded hole inside threaded connection has the threaded rod, threaded rod top end fixedly connected with changes the handle, and threaded rod one side rotates through the change and is connected with L type fastener, the joint has the pipeline on the L type fastener, it has the stiffener to wholly run through on pipeline limit shell position and the valve casing, fixedly connected with snap ring on the stiffener, inside grafting of snap ring has omega type fastening bent piece A and omega type fastening bent piece B.
Optionally, valve rod a and valve rod B are installed to valve casing intermediate position, valve rod B right side fixed connection has valve clack B.
Optionally, a return spring is installed on the valve rod A, and the left side of the return spring is movably connected with a valve clack A through a hinge.
Optionally, the omega-shaped fastening bent piece a and the omega-shaped fastening bent piece B are detachably connected through a bolt, and a nut is connected to the tail end of the bolt in a threaded manner.
Optionally, a sealing ring is hermetically connected to a contact position of the valve housing and the pipeline.
The utility model has the advantages as follows:
1. the utility model discloses it is practical, convenient operation and excellent in use effect, through carrying out the coincide with pipeline limit shell and full lining dish formula bivalve check valve body outward flange, and change the handle through manual rotation, thereby make the threaded rod of lower extreme carry out the screw-thread fastening in the screw hole of valve casing upper end, at this in-process, make L type fastener on one side move down at the annular internal rotation through the change, thereby it is fixed to carry out the joint to pipeline limit shell, thereby connect the pipeline of both sides, it has the sealing washer to guarantee sealing performance to link up the position embedding, the installation of wholly being convenient for, it is convenient to use.
2. The utility model discloses in, the through-hole has all been seted up to valve casing and pipeline limit shell, the stiffener passes the through-hole, and fixedly connected with snap ring on the stiffener, insert the snap ring inside through fastening bent piece A and omega type fastening bent piece B with omega type, and alternate in omega type fastening bent piece A and the edge bellying in omega type fastening bent piece B both sides with the bolt, and use the nut to carry out the screw-thread fastening to the bolt, thereby make the stiffener fix in valve casing and pipeline both sides, play the increasing strength effect to being connected between valve casing and the pipeline, guarantee the local stability of full lining dish formula bivalve check valve when the valve opening in-process receives water impact.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a full-lining disc-type double-disc check valve according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a valve body of a full-lining disc-type double-disc check valve according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a position a of a full-lining disc-type double-disc check valve according to an embodiment of the present invention;
in the figure: 1. a valve housing; 2. a valve stem A; 3. a hinge; 4. a valve stem B; 5. a valve clack A; 6. a return spring; 7. a valve clack B; 8. a reinforcing bar; 9. a snap ring; 10. an omega-shaped fastening bent piece A; 11. an omega-shaped fastening bent piece B; 12. a bolt; 13. a nut; 14. a threaded rod; 15. turning a handle; 16. an L-shaped clamping piece; 17. a pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A full-lining disc-type double-disc check valve according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
As shown in fig. 1-3, a full lining dish formula bivalve check valve, including valve casing 1, threaded hole is seted up to 1 surface of valve casing, threaded hole internal thread is connected with threaded rod 14, 14 top fixedly connected with of threaded rod changes 15, and threaded rod 14 one side is rotated through the change and is connected with L type fastener 16, the joint has pipeline 17 on L type fastener 16, it has stiffener 8 to wholly run through on pipeline 17 limit shell position and the valve casing 1, fixedly connected with snap ring 9 on the stiffener 8, inside grafting of snap ring 9 has omega type fastening curved member A10 and omega type fastening curved member B11.
In the embodiment, as shown in fig. 1-3, the side shell of the pipeline 17 is overlapped with the outer edge of the valve body of the full-lining disc type double-flap check valve, and the rotating handle 15 is manually rotated, so that the threaded rod 14 at the lower end is screwed and fastened in the threaded hole at the upper end of the valve housing 1, in the process, the rotating ring rotates in the annular groove to enable the L-shaped clamping piece 16 beside to move downwards, so that the side shell of the pipeline 17 is clamped and fixed, the pipelines 17 at two sides are connected, and the sealing ring is embedded in the connecting position to ensure the sealing performance, so that the whole installation is convenient, and the use is; valve casing 1 and pipeline 17 limit shell have all seted up the through-hole, stiffener 8 passes the through-hole, and fixedly connected with snap ring 9 on the stiffener 8, through inserting omega type fastening curved member A10 and omega type fastening curved member B11 inside snap ring 9, and alternate bolt 12 in omega type fastening curved member A10 and the curved member B11 both sides edge bellying of omega type fastening, and use nut 13 to carry out the screw-thread fastening to bolt 12, thereby make stiffener 8 fix in valve casing 1 and pipeline 17 both sides, play the increase intensity effect to being connected between valve casing 1 and the pipeline 17, guarantee the local stability of full lining dish formula bivalve check valve when receiving water impact at the valve opening in-process.
Wherein, the valve rod A2 and the valve rod B4 are installed at the middle position of the valve casing 1, and the valve clack B7 is fixedly connected to the right side of the valve rod B4.
In this embodiment, as shown in fig. 2, the flap B7 is fixed and cooperates with the flap a5 that can be opened and closed by rotation to close the valve.
The valve rod A2 is provided with a return spring 6, and the left side of the return spring 6 is movably connected with a valve clack A5 through a hinge 3.
In this embodiment, as shown in fig. 2, the valve body is driven by a corresponding power mechanism to open the valve flap a5, the hinge 3 connected to the valve flap a5 and the valve rod a2 rotate relatively in the process, the valve flap a5 is opened in a matching manner, so that through flow is achieved, the valve flap a5 is reset through the reset spring 6 when the valve is closed, and the valve flap B7 forms a closed space inside the valve housing 1 to block water flow.
The omega-shaped fastening bent piece A10 and the omega-shaped fastening bent piece B11 are detachably connected through a bolt 12, and a nut 13 is connected to the tail end of the bolt 12 in a threaded mode.
In this embodiment, as shown in fig. 1 and 3, the reinforcing bar 8 is fixed to both sides of the valve housing 1 and the duct 17 by inserting the omega-shaped bent fastening pieces a10 and B11 into the snap ring 9, inserting the bolts 12 into the protrusions at both side edges of the omega-shaped bent fastening pieces a10 and B11, and fastening the bolts 12 with the nuts 13.
Wherein, the contact position of the valve casing 1 and the pipeline 17 is connected with a sealing ring in a sealing way.
In this embodiment, as shown in fig. 1, the joint position between the valve housing 1 and the pipeline 17 is embedded with a sealing ring to ensure the sealing performance, so that the whole installation is convenient and the use is convenient.
It should be noted that, the utility model relates to a full lining dish formula bivalve check valve, in operation, the valve body makes valve clack A5 open under corresponding power unit drives, hinge 3 and valve rod A2 that connect on this in-process valve clack A5 carry out relative rotation, cooperation valve clack A5 opens, thereby carry out the through-flow, reset valve clack A5 through reset spring 6 when closing the valve, cooperation valve clack B7 forms airtight space in valve casing 1 inside, block rivers circulation; the side shell of the pipeline 17 is overlapped with the outer edge of the valve body of the full-lining disc type double-flap check valve, the rotating handle 15 is manually rotated, so that the threaded rod 14 at the lower end is fastened in a threaded hole at the upper end of the valve casing 1 in a threaded manner, in the process, the rotating ring rotates in the annular groove to enable the L-shaped clamping piece 16 beside to move downwards, the side shell of the pipeline 17 is clamped and fixed, the pipelines 17 at two sides are connected, a sealing ring is embedded in the connecting position to ensure the sealing performance, and the whole installation is convenient and the use is convenient; valve casing 1 and pipeline 17 limit shell have all seted up the through-hole, stiffener 8 passes the through-hole, and fixedly connected with snap ring 9 on the stiffener 8, through inserting omega type fastening curved member A10 and omega type fastening curved member B11 inside snap ring 9, and alternate bolt 12 in omega type fastening curved member A10 and the curved member B11 both sides edge bellying of omega type fastening, and use nut 13 to carry out the screw-thread fastening to bolt 12, thereby make stiffener 8 fix in valve casing 1 and pipeline 17 both sides, play the increase intensity effect to being connected between valve casing 1 and the pipeline 17, guarantee the local stability of full lining dish formula bivalve check valve when receiving water impact at the valve opening in-process.
The utility model discloses a valve casing 1; valve stem a 2; a hinge 3; a valve stem B4; the valve flap A5; a return spring 6; the valve flap B7; a reinforcing rod 8; a snap ring 9; an omega-shaped fastening bent piece A10; an omega-shaped fastening bent piece B11; a bolt 12; a nut 13; a threaded rod 14; a rotating handle 15; an L-shaped fastener 16; the duct 17 components are all standard or known to those skilled in the art and their construction and principle are known to those skilled in the art either by means of technical manuals or by means of routine experimentation.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides a full lining dish formula bivalve check valve, includes valve casing (1), its characterized in that, threaded hole is seted up to valve casing (1) surface, threaded hole inside threaded connection has threaded rod (14), threaded rod (14) top fixedly connected with changes (15), and threaded rod (14) one side rotates through the change and is connected with L type fastener (16), the joint has pipeline (17) on L type fastener (16), wholly run through on pipeline (17) limit shell position and valve casing (1) has stiffener (8), fixedly connected with snap ring (9) on stiffener (8), inside the pegging graft of snap ring (9) has omega type fastening curved member A (10) and omega type fastening curved member B (11).
2. A full-lining disc type double-disc check valve according to claim 1, characterized in that the valve rod a (2) and the valve rod B (4) are installed in the middle of the valve housing (1), and the valve disc B (7) is fixedly connected to the right side of the valve rod B (4).
3. A full-lining disc type double-disc check valve according to claim 2, characterized in that the valve rod a (2) is provided with a return spring (6), and the left side of the return spring (6) is movably connected with the valve disc a (5) through a hinge (3).
4. A full-lining disc type double-flap check valve according to claim 1, characterized in that the omega-shaped fastening bent piece a (10) and the omega-shaped fastening bent piece B (11) are detachably connected through a bolt (12), and a nut (13) is screwed on the tail end of the bolt (12).
5. A full-lining disc type double-flap check valve according to claim 1, wherein a sealing ring is sealingly attached to a contact position of the valve housing (1) with the pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020727029.0U CN212028647U (en) | 2020-05-07 | 2020-05-07 | Full-lining disc type double-disc check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020727029.0U CN212028647U (en) | 2020-05-07 | 2020-05-07 | Full-lining disc type double-disc check valve |
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| Publication Number | Publication Date |
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| CN212028647U true CN212028647U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020727029.0U Active CN212028647U (en) | 2020-05-07 | 2020-05-07 | Full-lining disc type double-disc check valve |
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| CN (1) | CN212028647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413037A (en) * | 2022-02-10 | 2022-04-29 | 西派集团有限公司 | Built-in double-disc check valve with air seal |
-
2020
- 2020-05-07 CN CN202020727029.0U patent/CN212028647U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413037A (en) * | 2022-02-10 | 2022-04-29 | 西派集团有限公司 | Built-in double-disc check valve with air seal |
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