CN222392031U - Double pendulum hammer buffer type check valve - Google Patents
Double pendulum hammer buffer type check valve Download PDFInfo
- Publication number
- CN222392031U CN222392031U CN202421076418.6U CN202421076418U CN222392031U CN 222392031 U CN222392031 U CN 222392031U CN 202421076418 U CN202421076418 U CN 202421076418U CN 222392031 U CN222392031 U CN 222392031U
- Authority
- CN
- China
- Prior art keywords
- valve
- rotating shaft
- valve body
- rocker
- cavity
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000012856 packing Methods 0.000 claims description 16
- 238000013016 damping Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model provides a double-pendulum buffer check valve which comprises a valve body, wherein a valve cavity is arranged in the valve body, a water inlet and a water outlet are respectively arranged at the left end and the right end of the valve body and are communicated with the valve cavity, a limiting groove is formed in the inner wall of the valve cavity at one side of the water inlet, a rocker is clamped in the limiting groove and connected with a rotating shaft, the rotating shaft penetrates through the rocker and is fixed with the rotating shaft through a pin, the rotating shaft extends out of two sides of the valve body respectively and is provided with two extending ends, limiting parts are formed on the two extending ends, one end of a balance rod is clamped on the limiting parts, the other end of the balance rod extends backwards and is connected with a balancing weight, a valve clack is fixed at one end of the rocker, a valve seat is mounted on the side wall of the left water inlet of the valve cavity, and the valve clack is lapped on the valve seat. The double-side balance design of the utility model provides more balanced buffer force for the valve clack and enhances the sealing performance of the valve.
Description
Technical Field
The utility model belongs to the technical field of valves, and particularly relates to a double pendulum buffer type check valve.
Background
The check valve is a common automatic valve, and is mainly used in a pipeline system, and the check valve prevents the medium from flowing in the opposite direction by limiting the unidirectional flow of the medium, so that the check valve plays a role in protection and control.
The main function of the check valve is to prevent the medium from flowing reversely, and to prevent the backflow of the medium from adversely affecting the piping system, equipment and process. But current check valve, the unilateral valve body that stretches out of pivot of drive valve clack in this kind of design, when the valve clack was closed, unilateral pivot that stretches out only can provide local support and strength, can't balance the whole atress on the valve clack, can lead to the valve clack to take place inhomogeneous force distribution easily like this at the in-process of closing to make sealed face can not laminate completely, produce the leakage phenomenon.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides the double-pendulum buffer check valve, which is designed in a double-side balance manner, so that more balanced buffer force is provided for the valve clack, and the sealing performance of the valve is enhanced.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the double pendulum buffer type check valve comprises a valve body, wherein a valve cavity is arranged in the valve body;
The left end and the right end of the valve body are respectively provided with a water inlet and a water outlet, and are communicated with the valve cavity;
A limiting groove is formed in the inner wall of the valve cavity at one side of the water inlet, a rocker is clamped in the limiting groove, and the rocker is connected with a rotating shaft;
The rotating shaft penetrates through the rocker and is fixed with the rotating shaft through pins, the rotating shaft extends out to two sides of the valve body respectively and is provided with two extending ends, limiting parts are formed on the two extending ends, and balance bars are respectively arranged at two ends of the rotating shaft;
One end of the balance rod is clamped on the limiting part, and the other end of the balance rod is connected with a balancing weight in a backward extending way;
The valve clack is fixed at one end of the rocker, a valve seat is arranged on the side wall of the left water inlet of the valve cavity, and the valve clack is lapped on the valve seat.
In a preferred embodiment of the present utility model, the limiting portion is configured as a regular hexagonal prism, and the balance bar is provided with a regular hexagonal prism hole adapted to the regular hexagonal prism, and is fastened by a bolt.
In a preferred embodiment of the present utility model, an L-shaped protrusion is provided at the end of the rocker, and a damping sleeve is fixedly connected to the end of the L-shaped protrusion.
In a preferred embodiment of the utility model, a shaft hole matched with the rotating shaft is arranged in the valve body, a packing cavity is arranged at the tail end of the shaft hole, sealing packing is arranged in the packing cavity, and a sealing gasket is fixedly arranged on the outer side of the packing cavity relative to the sealing packing.
In a preferred embodiment of the utility model, an opening is arranged at the upper end of the valve body, and a valve cover is hermetically arranged on the opening.
In a preferred embodiment of the present utility model, a sealing gasket is installed between the valve cover and the valve body, and is fastened by bolts.
In a preferred embodiment of the present utility model, the valve cover is provided with a pull ring.
The double pendulum buffer type check valve has the beneficial effects that the limiting parts are arranged at the two ends of the rotating shaft and are symmetrical relative to the center of the rotating shaft, and the double pendulum buffer type check valve is used for connecting the balance bars, so that the balance bars at the two sides are quickly installed, the installation angles and the directions of the balance bars at the two sides are consistent, the distribution of forces of the two balance bars when the valve clack is opened and closed is balanced, more balanced buffering force is provided, the risk of poor sealing is reduced, the balancing weight is arranged at the tail end of the balance bar, the water stopping effect of the valve clack is enhanced, the structure is simple, and the manufacturing and the installation are convenient.
The utility model has the advantages that the convex part is arranged at the tail end of the rocker, the damping sleeve is fixedly connected at the tail end of the convex part, the impact of the valve body on the valve clack is lightened, a certain protection effect is achieved, and the maintenance of the valve is reduced.
Drawings
Fig. 1 is a cross-sectional view of a double pendulum buffer check valve (valve flap closed state) provided by the present utility model;
FIG. 2 is a transverse cross-sectional view of a dual pendulum buffer check valve provided by the present utility model;
FIG. 3 is a schematic view of the structure of the shaft and the balance bar according to the present utility model;
Fig. 4 is a cross-sectional view of a double pendulum buffer check valve (flap open state) provided by the present utility model.
In the figure, 1, a valve body;
2, rocking bar;
3, rotating shaft;
4, pin;
5, balancing rods;
6, valve clacks;
7, valve seat;
8, a valve cover;
9, sealing gaskets;
10 balancing weight blocks;
11 damping sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
As shown in fig. 1-4, the double pendulum buffer type check valve provided by the utility model comprises a valve body 1, wherein a valve cavity is arranged in the valve body 1;
The left end and the right end of the valve body 1 are respectively provided with a water inlet and a water outlet, and are communicated with the valve cavity;
A limiting groove is formed in the inner wall of the valve cavity at one side of the water inlet, a rocker 2 is clamped in the limiting groove, and the rocker 2 is connected with a rotating shaft 3;
A rotating shaft 3 penetrating the rocker 2 and fixed with the rotating shaft 3 by a pin 4, so that the rocker 2 rotates along with the rotation of the rotating shaft 3, the rotating shaft 3 extends out to two sides of the valve body 1 respectively and forms two extending ends, a limit part 31 is formed on the two extending ends, and balance bars 5 are respectively arranged at two ends of the rotating shaft 3;
One end of the balance rod 5 is clamped on the limiting part 31, and the other end of the balance rod is connected with the balancing weight 10 in a backward extending way;
The valve clack 6 is fixed at one end of the rocker 2, a valve seat 7 is arranged on the side wall of the left water inlet of the valve cavity, and the valve clack 6 is lapped on the valve seat 7.
On the basis of the above embodiment, the limiting portion 31 is configured as a regular hexagonal prism, and a regular hexagonal prism hole adapted to the regular hexagonal prism is formed on the balance bar 5, so that the balance bar 5 is clamped on the rotating shaft 3 and fastened by a bolt.
On the basis of the above embodiment, an L-shaped protrusion is provided at the end of the rocker 2, and a damper sleeve 11 is fixedly connected to the end of the L-shaped protrusion.
On the basis of the embodiment, the valve body 1 is internally provided with a shaft hole matched with the rotating shaft 3, the tail end of the shaft hole is provided with a packing cavity, sealing packing is arranged in the packing cavity, a sealing gasket 9 is fixedly arranged on the outer side of the packing cavity relative to the sealing packing, and the sealing packing and the sealing gasket 9 realize the compression sealing between the rotating shaft 3 and the valve body 1 and avoid medium leakage in the valve body 1.
On the basis of the above embodiment, an opening is provided at the upper end of the valve body 1, and a valve cover 8 is sealingly mounted on the opening.
On the basis of the above embodiment, a sealing gasket is installed between the bonnet 8 and the valve body 1, and is connected by bolt fastening.
On the basis of the embodiment, the valve cover 8 is provided with a pull ring, so that an operator can conveniently open and close the valve cover 8.
In particular, the method comprises the steps of,
According to the double pendulum buffer type check valve, the limiting parts 31 are arranged at two ends of the rotating shaft 3, the limiting parts 31 are symmetrical relative to the center of the rotating shaft 3, the limiting parts 31 are regular hexagonal prisms, the balance bars 5 are provided with regular hexagonal prism holes matched with the regular hexagonal prisms, so that the balance bars 5 at two sides are convenient to install, and meanwhile the installation angles and the directions of the balance bars 5 at two sides are consistent, so that the force distribution of the two balance bars 5 is balanced when the valve clack 6 is opened and closed, more balanced buffering force is provided, the risk of poor sealing is reduced, and the balancing weights 10 are arranged at the tail ends of the balance bars 5, so that the water stopping effect of the valve clack 6 is enhanced.
When the fluid enters from the forward flow direction of the check valve, the pressure of the fluid pushes the valve clack 6 to gradually wash away the valve clack, and meanwhile slowly lifts the balancing weight 10, and the medium smoothly passes through the pipeline system, and in the reverse flow check state, the rotating shaft 3 can be driven by the reverse flow of the fluid, the rotating shaft 3 rotates to enable the valve clack 6 to rotate towards the valve seat 7, and the valve clack 6 is pushed towards the valve seat 7 under the action of the acting force of the medium, the gravity of the balancing weight 10 and the gravity of the balancing weight, so that sealing is formed, the medium is blocked, and the medium is prevented from flowing backwards.
As shown in fig. 4, when the valve clack 6 is in the maximum opening state, the valve clack 6 can generate a certain impact force on the inner wall of the valve body 1 under the action of medium, so the tail end of the rocker 2 is provided with an L-shaped convex part, the tail end of the L-shaped convex part is fixedly connected with a damping sleeve 11, the damping sleeve 11 is in contact with the inner wall of the valve body 1, the impact of the valve clack 6 on the inner cavity of the valve body 1 is reduced, the valve body 1 is prevented from being damaged, and the maintenance cost is reduced.
To sum up:
The utility model discloses a double pendulum hammer buffer type check valve, wherein limiting parts are arranged at two ends of a rotating shaft and are symmetrical relative to the center of the rotating shaft, and are used for connecting balance rods, so that the balance rods at two sides are quickly installed, the installation angles and the directions of the balance rods at two sides are consistent, the distribution of forces of the two balance rods when a valve clack is opened and closed is balanced, more balanced buffer force is provided, the risk of poor sealing is reduced, and balancing weights are arranged at the tail ends of the balance rods, so that the water stopping effect of the valve clack is enhanced.
The utility model has the advantages that the convex part is arranged at the tail end of the rocker, the damping sleeve is fixedly connected at the tail end of the convex part, the impact of the valve body on the valve clack is lightened, a certain protection effect is achieved, and the maintenance of the valve is reduced.
The basic principle, main features and advantages of the present utility model are shown and described above, and the front, back, left and right are not specific, mainly for more intuitively explaining the technical solution, but not limiting. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concept and features of the present utility model, and the present utility model can be implemented by those skilled in the art without limiting the scope of the utility model, therefore, all equivalent changes or modifications that are made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The double pendulum buffer type check valve is characterized by comprising a valve body (1), wherein a valve cavity is arranged in the valve body (1);
The left end and the right end of the valve body (1) are respectively provided with a water inlet and a water outlet, and are communicated with the valve cavity;
A limiting groove is formed in the inner wall of the valve cavity at one side of the water inlet, a rocker (2) is clamped in the limiting groove, and the rocker (2) is connected with a rotating shaft (3);
The rotating shaft (3) penetrates through the rocker (2) and is fixed with the rotating shaft (3) through a pin (4), the rotating shaft (3) respectively extends out to two sides of the valve body (1) and is provided with two extending ends, limiting parts (31) are formed on the two extending ends, and balance rods (5) are respectively arranged at two ends of the rotating shaft (3);
One end of the balance rod (5) is clamped on the limiting part (31), and the other end of the balance rod is connected with the balancing weight (10) in a backward extending way;
The valve clack (6) is fixed at one end of the rocker (2), the valve seat (7) is arranged on the side wall of the left water inlet of the valve cavity, and the valve clack (6) is lapped on the valve seat (7).
2. The double pendulum buffer check valve of claim 1, wherein the limiting part (31) is a regular hexagonal prism, and the balance bar (5) is provided with a regular hexagonal prism hole adapted to the regular hexagonal prism and fastened by bolts.
3. The double pendulum buffer check valve of claim 1, wherein an L-shaped protrusion is arranged at the tail end of the rocker (2), and a damping sleeve (11) is fixedly connected at the tail end of the L-shaped protrusion.
4. The double pendulum buffer type check valve according to claim 1 is characterized in that a shaft hole matched with the rotating shaft (3) is formed in the valve body (1), a packing cavity is formed in the tail end of the shaft hole, sealing packing is arranged in the packing cavity, and a sealing gasket (9) is fixedly arranged on the outer side of the packing cavity relative to the sealing packing.
5. The double pendulum buffer type check valve according to claim 1, wherein an opening is arranged at the upper end of the valve body (1), and a valve cover (8) is hermetically arranged on the opening.
6. A double pendulum buffer check valve as set forth in claim 5 wherein a sealing gasket is mounted between said valve cover (8) and valve body (1) and is bolted.
7. A double pendulum buffer check valve as set forth in claim 5 wherein said valve cap (8) is provided with a pull ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421076418.6U CN222392031U (en) | 2024-05-17 | 2024-05-17 | Double pendulum hammer buffer type check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421076418.6U CN222392031U (en) | 2024-05-17 | 2024-05-17 | Double pendulum hammer buffer type check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222392031U true CN222392031U (en) | 2025-01-24 |
Family
ID=94297856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421076418.6U Active CN222392031U (en) | 2024-05-17 | 2024-05-17 | Double pendulum hammer buffer type check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222392031U (en) |
-
2024
- 2024-05-17 CN CN202421076418.6U patent/CN222392031U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209278561U (en) | One kind is slow to open the double hammer check-valves of Slow Close | |
| CN110259998A (en) | A kind of multi-functional weight is relied on oneself dual-seal swing check valve | |
| CN104565425A (en) | C-shaped four-eccentric slurry pump control valve | |
| CN222392031U (en) | Double pendulum hammer buffer type check valve | |
| CN202402725U (en) | Multifunctional check gate valve | |
| CN201531621U (en) | Energy-saving balance corrugated pipe valve | |
| CN205781131U (en) | Micro-resistance pressure reduction type backflow preventer | |
| CN109578636B (en) | Adjustable check valve | |
| CN210770459U (en) | Through-flow check valve with double guide shafts | |
| CN103388692B (en) | check valve for gas pipeline | |
| CN210440623U (en) | Multifunctional heavy hammer self-operated double-sealing swing check valve | |
| CN110848429A (en) | A shut-off dual-purpose valve | |
| CN212155916U (en) | Swing type micro-resistance low-pressure-difference check valve | |
| CN207848492U (en) | A kind of check-valves with the micro- slow keying effect of more flaps | |
| CN210623631U (en) | Wear-resistant high-sealing-performance knife gate valve | |
| CN209839195U (en) | Valve linkage control system on sewage conveying line | |
| CN201535359U (en) | Energy-saving balance valve | |
| CN215596492U (en) | Three-section type guide double-seal mute check valve | |
| CN215721050U (en) | Three-section type guide mute check valve | |
| CN207609821U (en) | A kind of energy-saving damping check-valves | |
| CN220249029U (en) | Swing type forged steel check valve with valve clack suspension structure | |
| CN220286556U (en) | Y-shaped packing sealing stop valve | |
| CN217736371U (en) | Swing check valve | |
| CN111350849A (en) | A swing type micro-resistance low-pressure differential check valve | |
| CN204756037U (en) | Check valve of waterproof hammer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |