CN219529924U - Multi-caliber check valve of waterproof hammer - Google Patents
Multi-caliber check valve of waterproof hammer Download PDFInfo
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- CN219529924U CN219529924U CN202320951175.5U CN202320951175U CN219529924U CN 219529924 U CN219529924 U CN 219529924U CN 202320951175 U CN202320951175 U CN 202320951175U CN 219529924 U CN219529924 U CN 219529924U
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- check valve
- water inlet
- inlet end
- water
- sliding rod
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Abstract
The utility model relates to the field of check valves, in particular to a multi-caliber check valve of a waterproof hammer, which comprises: the check valve body is internally provided with a cavity, a water outlet end, a first water inlet end, a second water inlet end and a third water inlet end, the first water inlet end is arranged above the valve body, the second water inlet end is arranged below the valve body, and the third water inlet end is arranged on the right side of the valve body; the fixed rib plate is arranged in the water inlet end and the water outlet end; the sliding rod is arranged in the fixed rib plate in a sliding way; a check valve clack arranged in the water outlet end and fixedly connected on the sliding rod; the waterproof hammer part is fixedly connected to the sliding rod; the elastic element is arranged between the check valve clack and the fixed rib plate; the waterproof hammer is provided with three fluid parts, and the positions of the fluid parts are right corresponding to the water inlet ends, so that the technical effects that the check valve structure has waterproof hammer performance and the structure is more stable are achieved.
Description
Technical Field
The utility model relates to the field of check valves, in particular to a multi-caliber check valve of a waterproof hammer.
Background
The check valve is a valve with a circular valve clack as an opening and closing part and can stop the medium from flowing backwards by the action of the self weight and the medium pressure. Belongs to automatic valves, which are also called check valves, one-way valves, reflux valves or isolation valves. The movement modes of the valve clack are divided into a lifting type and a swing type. The lifting check valve is similar to a stop valve in structure, and only lacks a valve rod for driving the valve clack. The medium flows in from the inlet end and flows out from the outlet end. When the inlet pressure is greater than the sum of the valve flap weight and its flow resistance, the valve is opened. Otherwise, the valve is closed when the medium flows backwards.
In the prior system pipeline installation, in order to conveniently connect pipelines with various calibers, a check valve with a multi-caliber water inlet is arranged, but when a fluid medium is introduced into the check valve without the fluid medium, a water hammer can be generated, and the structure of the check valve is unstable due to the generation of the water hammer.
Accordingly, there is an urgent need to provide an improved solution to the above technical problems.
Disclosure of Invention
The utility model aims at solving the technical problems, and provides the multi-caliber check valve with the waterproof hammer, so that the technical effects that the check valve structure has waterproof hammer property and is more stable are achieved.
In view of the above, the present utility model provides a multi-caliber check valve for a waterproof hammer, comprising:
the check valve body is internally provided with a cavity, a water outlet end, a first water inlet end, a second water inlet end and a third water inlet end, the first water inlet end is arranged above the valve body, the second water inlet end is arranged below the valve body, and the third water inlet end is arranged on the right side of the valve body;
the fixed rib plate is arranged in the water inlet end and the water outlet end;
the sliding rod is arranged in the fixed rib plate in a sliding way;
a check valve clack arranged in the water outlet end and fixedly connected on the sliding rod;
the waterproof hammer part is fixedly connected to the sliding rod;
the elastic element is arranged between the check valve clack and the fixed rib plate;
wherein, be equipped with three fluid portion on the waterproof hammer portion, the position of fluid portion is just to each water inlet end.
Further, the check valve clack is also provided with a first limiting part, the first limiting part is arranged on the end face of the check valve clack, and the first limiting part is clung to the end face of the water outlet end.
Further, a wear-resistant part is arranged between the fixed rib plate and the sliding rod.
Further, a sealing ring is arranged between the check valve clack and the water outlet end.
Further, the cross section of the sealing ring is triangular.
Further, the method further comprises the following steps:
sealing covers are arranged on the water inlet ends.
Further, a second limiting part is arranged on the sliding rod.
The beneficial effects of the utility model are as follows:
1. the water hammer preventing part provided by the utility model enables the multi-caliber check valve of the water hammer to have water hammer preventing property, and the structure of the check valve is stable.
2. The sealing ring provided by the utility model ensures that the sealing performance of the valve clack of the multi-caliber check valve of the waterproof hammer is better, and the check effect is better.
3. The water inlet end with multiple sizes and calibers provided by the utility model enables the working calibers of the multi-caliber check valve of the waterproof hammer to be more.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic view of the internal structure of the present utility model;
FIG. 4 is a schematic perspective view of the present utility model;
fig. 5 is a schematic structural diagram of the region a in fig. 1.
The label in the figure is:
1. a check valve body; 2. fixing the rib plates; 3. a check valve flap; 4. a first slide bar; 5. a second slide bar; 6. a water hammer prevention part; 7. an elastic element; 8. a wear-resistant portion; 9. a first limit part; 10. a second limit part; 11. sealing cover; 12. a seal ring; 13. a first water inlet end; 14. a second water inlet end; 15. a third water inlet end; 16. and a water outlet end.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present utility model, fall within the scope of protection of the present utility model.
Example 1:
the present embodiment provides a multi-caliber check valve for preventing water hammer, comprising:
the check valve comprises a check valve body 1, wherein a cavity, a water outlet end 16, a first water inlet end 13, a second water inlet end 14 and a third water inlet end 15 are arranged in the check valve body 1, the first water inlet end 13 is arranged above the valve body, the second water inlet end 14 is arranged below the valve body, and the third water inlet end 15 is arranged on the right side of the valve body;
the fixed rib plate 2 is arranged in the water inlet end and the water outlet end 16;
the sliding rod is arranged in the fixed rib plate 2 in a sliding way;
the check valve clack 3 is arranged in the water outlet end 16 and fixedly connected to the sliding rod;
the waterproof hammer part 6 is fixedly connected to the sliding rod;
the elastic element 7 is arranged between the check valve clack 3 and the fixed rib plate 2;
wherein, be equipped with three fluid portion on the waterproof hammer 6, the position of fluid portion is just to each water inlet end.
In this embodiment, a cavity, a water outlet end 16, a first water inlet end 13, a second water inlet end 14 and a third water inlet end 15 are arranged in the check valve body 1, the first water inlet end 13 is arranged above the valve body, the second water inlet end 14 is arranged below the valve body, the third water inlet end 15 is arranged at the left side of the valve body, the water outlet end 16 is arranged at the right side of the cavity of the check valve body 1, the calibers of the water inlet ends at the upper side, the left side and the lower side of the cavity are different, when water inlet pipes with different calibers are required to be connected, the check valve is not required to be replaced or other accessories are required to be used for connecting the water inlet pipes, so that the calibers of the water inlet pipes of the check valve for cooperation work are more; the fixed rib plate 2 is in a cross shape and is connected in the cavity, the fixed rib plate 2 at one side of the water outlet end 16 is connected to the check valve body 1 by welding, a mounting hole is formed in the middle of the cross shape of the fixed rib plate 2, a sliding rod is arranged in the mounting hole, the sliding rod can horizontally slide in the mounting hole, the sliding rod is divided into two parts, a first sliding rod 4 and a second sliding rod 5, the first sliding rod 4 is arranged on the waterproof hammer part 6 and is arranged at one side of the waterproof hammer part 6 close to the water inlet end, the second sliding rod 5 is arranged at one side of the check valve clack 3 close to the water inlet end and is fixedly connected with the waterproof hammer part 6, so that the waterproof hammer part 6 and the sliding rod can synchronously slide, and the check valve clack 3 is arranged at the inner side of the water outlet end 16 and is tightly attached to the inner side of the water outlet end 16; the elastic element 7 is a spring, which is arranged between the waterproof hammer 6 and the right-hand fixed rib plate 2.
Three fluid parts are arranged on the waterproof hammer part 6, and the positions of the fluid parts are just opposite to the water inlet ends.
When the check valve works, the water inlet end is connected to the pipeline, the water inlet ends with different pipe diameters can be connected to the pipelines with different pipe diameters, the fluid medium flows into the cavity from the water inlet end, and the fluid medium firstly touches the fluid part of the waterproof hammer part 6, the surface of the fluid part is in a fluid shape, so that the fluid medium does not vertically touch the end surface of the waterproof hammer part 6, the generation of water hammer is prevented, the structure of the check valve is protected, and the service life of the check valve is prolonged; with the enhancement of the water pressure of the inner cavity, the check valve clack 3 is pushed out of the water outlet end 16, a gap is formed between the water outlet end 16 and the check valve clack 3, fluid medium flows through the gap, when water flow stops, the check valve clack 3 is pushed back to the original position by the elasticity of the spring, the water outlet end 16 is closed and sealed, and backflow of the fluid medium is prevented.
The end face of the first sliding rod 4 is provided with a fluid curved surface, when the sliding rod is impacted by water flow, the curved surface can weaken acting force of fluid on the first sliding rod 4, and the structure of the check valve is more stable.
A mounting hole is formed in the second sliding rod 5, and the second sliding rod 5 can be mounted in the mounting hole through a screw to be fixed on the waterproof hammer part 6; the waterproof hammer part 6 is provided with a containing hole, the second sliding rod 5 can be inserted into the containing hole, so that the first sliding rod 4 and the second sliding rod 5 are positioned on the same axis, and when sliding, the first sliding rod 4 and the second sliding rod 5 move more stably.
The left fixed rib plate 2 can be detachably connected with the water inlet end, the fixed rib plate 2 is fixed on the water inlet end by using a screw, and the water inlet end is internally provided with an end face for installing the fixed rib plate 2.
Example 2:
the present embodiment provides a multi-caliber check valve for preventing water hammer, which has the following technical features in addition to the technical scheme of the above embodiment.
The check valve clack 3 is also provided with a first limiting part 9, the first limiting part 9 is arranged on the end face of the check valve clack 3, and the first limiting part 9 is clung to the end face of the water outlet end 16.
The check valve comprises a check valve clack 3, a first limiting part 9, a flange surface, a rubber gasket, a sealing performance of a water outlet end 16 and a position limiting of the check valve clack 3, wherein the first limiting part 9 is formed on the end surface of the check valve clack 3, the flange surface extends from the end surface to the outer periphery, the flange surface is tightly attached to the end surface of the water outlet end 16, and the rubber gasket is arranged between the first limiting part 9 and the end surface of the water outlet end 16, so that the sealing performance of the water outlet end 16 is better and the position of the check valve clack 3 can be limited; the rubber pad is connected to the first limiting part 9 in an adhering way, so that the rubber pad is fixed to the first limiting part 9, the rubber pad and the first limiting part 9 are of an integral structure, and the rubber pad moves together with the first limiting part 9 during operation.
Further, set up annular groove on the rubber pad surface, the recess is a plurality of concentric circles of evenly arranging to the tow sides of rubber pad all set up, make the rubber pad conflict when on the water outlet 16 terminal surface, the rubber pad is bigger with the area of contact of water outlet 16 terminal surface, makes the leakproofness of rubber pad better, and the recess can make the area of bonding bigger on bonding at first spacing portion 9, makes the rubber pad bond more firm.
And a wear-resistant part 8 is arranged between the fixed rib plate 2 and the sliding rod.
The wear-resisting part 8 is made of chrome alloy, is installed between the fixed rib plate 2 and the sliding rod by using screw connection, and when the sliding rod slides in the wear-resisting part 8, the wear-resisting part 8 is less in wear, the service life of the check valve is prolonged, and the cost is reduced.
A sealing ring 12 is arranged between the check valve clack 3 and the water outlet end 16.
A sealing ring 12 is arranged between the check valve clack 3 and the water outlet end 16, the sealing ring 12 is made of rubber, a groove for installing the sealing ring 12 is arranged on the check valve clack 3, the sealing ring 12 is in interference fit between the check valve clack 3 and the water outlet end 16, and the sealing ring 12 is arranged to enable the sealing performance between the check valve clack 3 and the water outlet end 16 to be better; further, a plurality of sealing rings 12 can be uniformly arranged side by side, and the sealing performance between the check valve clack 3 and the water outlet end 16 can be better due to the plurality of sealing rings 12.
The cross section of the sealing ring 12 is triangular.
When the check valve clack 3 moves at the water outlet end 16, and the check valve clack 3 and the water outlet end 16 return to the original state from the separated state, the check valve clack 3 and the water outlet end 16 are contacted with each other, the check valve clack 12 is extruded by the stress, one side of the check valve clack 12 is inclined, the check valve clack 3 is easier to return to the original state due to easier deformation of the check valve clack 12 with the triangular cross section, and the contact area between the check valve clack 3 and the water outlet end 16 is larger due to the extrusion of the triangular cross section, so that the sealing performance between the check valve clack 3 and the water outlet end 16 is better.
Example 3:
the present embodiment provides a multi-caliber check valve for preventing water hammer, which has the following technical features in addition to the technical scheme of the above embodiment.
Sealing caps 11, the sealing caps 11 being provided on the respective water inlet ends.
The sealing cover 11 is arranged on each water inlet end, the sealing cover 11 is arranged on the unused water inlet end, the water inlet end is closed, the sealing cover 11 is in threaded connection with the water inlet end, a sealing gasket is arranged between the sealing cover 11 and the water inlet end during installation, and a waterproof adhesive tape is arranged between the threaded connection, so that the sealing performance is better.
The slide bar is provided with a second limit part 10.
The second limiting part 10 is arranged on the first sliding rod 4, sleeved on the sliding rod, and fixed on the sliding rod by using a screw, when the fluid medium normally flows in the check valve, the second limiting part 10 is abutted against the fixed rib plate 2, and when the position is reached, the gap between the check valve clack 3 and the water outlet end 16 is maximum, so that the flow area of the fluid medium is maximum, and the flow rate is maximum.
Further, the second limiting portion 10 has an inclined surface on a side thereof adjacent to the water inlet end, and the inclined surface can weaken the water hammer when the water flow contacts the inclined surface.
Further, a buffer part is arranged between the second limiting part 10 and the fixed rib plate 2, and the buffer part is connected to the second limiting part 10; the buffer part is made of rubber materials, and when the second limiting part 10 collides with the fixed rib plate 2, the buffer part can protect the second limiting part 10 and the fixed rib plate 2.
The embodiments of the present utility model and the features of the embodiments are described above with reference to the accompanying drawings, in which the embodiments of the present utility model and the features of the embodiments may be combined with each other without conflict, and the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present utility model, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are also included in the scope of the present utility model.
Claims (7)
1. A multi-caliber check valve for a waterproof hammer, comprising:
the check valve comprises a check valve body (1), wherein a cavity, a water outlet end (16), a first water inlet end (13), a second water inlet end (14) and a third water inlet end (15) are arranged in the check valve body (1), the first water inlet end (13) is arranged above the valve body, the second water inlet end (14) is arranged below the valve body, and the third water inlet end (15) is arranged on the right side of the valve body;
the fixing ribs are arranged in the water inlet end and the water outlet end (16);
the sliding rod is arranged in the fixed rib in a sliding way;
the sealing part is arranged in the water outlet end (16) and fixedly connected to the sliding rod;
a waterproof hammer part (6), wherein the waterproof hammer part (6) is fixedly connected on the sliding rod;
the elastic element (7), the elastic element (7) is set up between fixed rib of the water hammer (6) and water outlet end (16);
wherein, be equipped with three fluid portion on waterproof hammer (6), the position of fluid portion is just to each water inlet.
2. The multi-caliber check valve of the waterproof hammer according to claim 1, wherein the sealing part is further provided with a first limiting part (9), the first limiting part (9) is arranged on the end face of the sealing part, and the first limiting part (9) is clung to the end face of the water outlet end (16).
3. A multi-caliber check valve for a water hammer according to claim 1, wherein a wear part (8) is provided between the fixing rib and the sliding rod.
4. A multi-caliber check valve for a water hammer according to claim 1, wherein a sealing ring (12) is arranged between the sealing part and the water outlet end (16).
5. A multi-caliber check valve for a water hammer as claimed in claim 4, wherein the sealing ring (12) is triangular in cross section.
6. The waterproof hammer multi-caliber check valve according to claim 1, further comprising:
and sealing covers (11), wherein the sealing covers (11) are arranged on the water inlet ends.
7. A multi-caliber check valve for a water hammer according to claim 1, wherein a second limiting part (10) is arranged on the sliding rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320951175.5U CN219529924U (en) | 2023-04-21 | 2023-04-21 | Multi-caliber check valve of waterproof hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320951175.5U CN219529924U (en) | 2023-04-21 | 2023-04-21 | Multi-caliber check valve of waterproof hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219529924U true CN219529924U (en) | 2023-08-15 |
Family
ID=87586375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320951175.5U Active CN219529924U (en) | 2023-04-21 | 2023-04-21 | Multi-caliber check valve of waterproof hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219529924U (en) |
-
2023
- 2023-04-21 CN CN202320951175.5U patent/CN219529924U/en active Active
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