CN219263545U - Piston type water hammer eliminator - Google Patents
Piston type water hammer eliminator Download PDFInfo
- Publication number
- CN219263545U CN219263545U CN202320152747.3U CN202320152747U CN219263545U CN 219263545 U CN219263545 U CN 219263545U CN 202320152747 U CN202320152747 U CN 202320152747U CN 219263545 U CN219263545 U CN 219263545U
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- Prior art keywords
- eliminator
- piston
- eliminator body
- water hammer
- umbrella
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The piston type water hammer eliminator comprises an eliminator body with an open end, a connector fixedly connected with the open end of the eliminator body, and a piston slidably arranged in the eliminator body, wherein at least one sealing ring is arranged on the piston, a closed air chamber is formed between the piston and the closed end of the eliminator body, an umbrella-shaped gasket is further arranged in the eliminator body, and the umbrella-shaped gasket enters from the open end of the eliminator body and is clamped on the inner wall of the eliminator body so as to limit the descending position of the piston; the piston is limited by the action of the umbrella-shaped gasket, and the eliminator body does not need to be provided with a re-forming limiting structure, so that the processing of the eliminator body is convenient, the scrapping of parts is reduced, the assembly of the parts is convenient, the accident rate in the assembly process is reduced, and the manufacturing cost of the single piston type water hammer eliminator is reduced.
Description
Technical Field
The utility model relates to a piston type water hammer eliminator.
Background
The piston type water hammer eliminator is generally installed in a pipeline system and is a safety guarantee device for exclusively absorbing a 'water hammer' to protect the whole pipeline system from being damaged by pressure generated by the 'water hammer'. The patent of the utility model with the publication number of CN217329011U discloses a stainless steel water hammer absorbing eliminator, which has the following main problems: the limiting bump 400 is required to be formed inwards on the circumferential wall surface of the stainless steel cylinder 100, and after the piston 300 is arranged in the accommodating cavity 140 and is filled with high-pressure gas, the piston 300 is easily flown away from the accommodating cavity 140 due to the pressure action of the high-pressure gas in the forming process of the limiting bump 400, so that safety accidents in the assembling process occur; in addition, the stainless steel cylinder 100 is a thin-walled pipe, and the limiting protruding points 400 are formed on the surface of the stainless steel cylinder 100, so that the stainless steel cylinder 100 is partially damaged, and parts are scrapped, so that the manufacturing cost of the single piston type water hammer eliminator is high.
Disclosure of Invention
In view of the above-mentioned shortcomings, the present utility model provides a piston-type water hammer eliminator.
In order to achieve the above purpose, the utility model provides a piston type water hammer eliminator which comprises an eliminator body with an open end, a joint fixedly connected with the open end of the eliminator body, and a piston slidably arranged in the eliminator body, wherein at least one sealing ring is arranged on the piston, a closed air chamber is formed between the piston and the closed end of the eliminator body, an umbrella-shaped gasket is further arranged in the eliminator body, and the umbrella-shaped gasket enters from the open end of the eliminator body and is clamped on the inner wall of the eliminator body to limit the descending position of the piston.
As a further improvement of the scheme, the umbrella-shaped gasket comprises a main body and a plurality of claw parts uniformly distributed on the circumference of the main body, water through holes through which water flows are formed between the adjacent claw parts, and the claw parts are tightly supported on the inner wall of the eliminator body through elastic force, so that the umbrella-shaped gasket can only move from the open end of the eliminator body to the closed end in the installation process.
As a further improvement of the proposal, the piston is provided with a downward protruding ball part, and the main body is provided with a limit hole matched with the ball part.
As a further improvement of the scheme, the connector comprises a first connecting end connected with the eliminator body and a second connecting end connected with the pipeline, a first limiting ring is formed on the first connecting end, a first sealing ring is arranged above the first limiting ring, a second limiting ring is formed at the open end of the eliminator body, and the second limiting ring acts with the first limiting ring to prevent the connector from being separated from the eliminator body.
As a further improvement of the scheme, an external thread is formed on the second connecting end, and a second sealing ring is arranged on the second connecting end.
Compared with the prior art, the utility model has the beneficial effects that: the piston is limited by the action of the umbrella-shaped gasket, and the eliminator body does not need to be provided with a re-forming limiting structure, so that the processing of the eliminator body is convenient, the scrapping of parts is reduced, the assembly of the parts is convenient, the accident rate in the assembly process is reduced, and the manufacturing cost of the single piston type water hammer eliminator is reduced.
Drawings
FIG. 1 is a front view of a piston-type water hammer eliminator according to the present utility model;
FIG. 2 is an enlarged view of the position A of FIG. 1;
FIG. 3 is a schematic view of an umbrella gasket;
fig. 4 is an exploded view of a piston type water hammer eliminator according to the present utility model.
In the figure: 1. an eliminator body; 11. a second limiting ring; 2. sealing the air chamber; 3. a piston; 4. a seal ring; 5. umbrella-shaped gaskets; 511. a limiting hole; 52. a claw portion; 53. a water-through port; 6. a first sealing ring; 7. a joint; 71. a first stop collar; 8. and a second sealing ring.
Detailed Description
As shown in fig. 1 to 4, a piston type water hammer eliminator of the embodiment of the present utility model includes an eliminator body 1 with one open end, a joint 7 fixedly connected to the open end of the eliminator body 1, a piston 3 slidably disposed in the eliminator body 1, two sealing rings 4 disposed on the piston 3, a closed air chamber 2 formed between the piston 3 and the closed end of the eliminator body 1, and an umbrella-shaped gasket 5 disposed in the eliminator body 1, wherein the umbrella-shaped gasket 5 enters from the open end of the eliminator body 1 and is clamped on the inner wall of the eliminator body 1 to limit the descending position of the piston 3; the umbrella-shaped gasket 5 comprises a main body 51 and a plurality of claw parts 52 which are uniformly distributed on the circumference of the main body 51, wherein a water through hole 53 through which water flows is arranged between the adjacent claw parts 52, and the plurality of claw parts 52 are tightly supported on the inner wall of the eliminator body 1 through elastic force, so that the umbrella-shaped gasket 5 can only move from the open end of the eliminator body 1 to the closed end in the installation process; the piston 3 is provided with a downward protruding ball part 31, and the main body 51 is provided with a limit hole 511 matched with the ball part 31; the connector 7 comprises a first connecting end connected with the eliminator body 1 and a second connecting end connected with the pipeline, a first limiting ring 71 is formed on the first connecting end, a sealing ring I6 is arranged above the first limiting ring 71, a second limiting ring 11 is formed at the open end of the eliminator body 1, and the second limiting ring 11 acts with the first limiting ring 71 so as to prevent the connector 7 from being separated from the eliminator body 1; an external thread is formed on the second connecting end, and a second sealing ring 8 is arranged on the second connecting end.
The piston is limited by the action of the umbrella-shaped gasket, and the eliminator body does not need to be provided with a re-forming limiting structure, so that the processing of the eliminator body is convenient, the scrapping of parts is reduced, the assembly of the parts is convenient, the accident rate in the assembly process is reduced, and the manufacturing cost of the single piston type water hammer eliminator is reduced.
When in specific use, the utility model is described with reference to the drawings for convenient understanding;
the water hammer eliminator is assembled as follows: firstly, the piston 3 is arranged in the eliminator body 1, the piston 3 and the closed end of the eliminator body 1 form a closed air chamber 2, then the umbrella-shaped gasket 5 is arranged in the eliminator body 1 to limit the lower part of the piston 3, the umbrella-shaped gasket 5 can only move from the open end of the eliminator body 1 to the direction of the closed end, gas is filled into the closed air chamber 2, then the joint 7 is arranged in the eliminator body 1, a special machine is used for inwards extruding at the port of the eliminator body 1 to form a second limiting ring 11, the first limiting ring 71 on the joint 7 acts with the second limiting ring 11 on the eliminator body 1, the joint 7 and the eliminator body 1 are connected, and the assembly is completed.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides a piston water hammer eliminator, includes one end open eliminator body (1), links firmly connect (7) of the open end of eliminator body (1), slidable place in piston (3) in eliminator body (1), be equipped with at least one sealing washer (4) on piston (3), piston (3) with form airtight air chamber (2) between the blind end of eliminator body (1), its characterized in that: an umbrella-shaped gasket (5) is further arranged in the eliminator body (1), and the umbrella-shaped gasket (5) enters from the open end of the eliminator body (1) and is clamped on the inner wall of the eliminator body (1) so as to limit the descending position of the piston (3).
2. A piston type water hammer remover according to claim 1, wherein: the umbrella-shaped gasket (5) comprises a main body (51) and a plurality of claw parts (52) uniformly distributed on the circumference of the main body (51), water passing ports (53) through which water flows are formed between the adjacent claw parts (52), and the claw parts (52) are tightly supported on the inner wall of the eliminator body (1) through elastic force, so that the umbrella-shaped gasket (5) can only move from the open end of the eliminator body (1) to the closed end in the installation process.
3. A piston type water hammer remover according to claim 2, wherein: the piston (3) is provided with a downwards protruding ball part (31), and the main body (51) is provided with a limit hole (511) matched with the ball part (31).
4. A piston type water hammer remover according to claim 1, wherein: the connector (7) comprises a first connecting end connected with the eliminator body (1) and a second connecting end connected with the pipeline, a first limiting ring (71) is formed on the first connecting end, a sealing ring I (6) is arranged above the first limiting ring (71), a second limiting ring (11) is formed at the open end of the eliminator body (1), and the second limiting ring (11) acts with the first limiting ring (71) to prevent the connector (7) from being separated from the eliminator body (1).
5. A piston type water hammer remover according to claim 4, wherein: an external thread is formed on the second connecting end, and a second sealing ring (8) is arranged on the second connecting end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320152747.3U CN219263545U (en) | 2023-02-08 | 2023-02-08 | Piston type water hammer eliminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320152747.3U CN219263545U (en) | 2023-02-08 | 2023-02-08 | Piston type water hammer eliminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219263545U true CN219263545U (en) | 2023-06-27 |
Family
ID=86871646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320152747.3U Active CN219263545U (en) | 2023-02-08 | 2023-02-08 | Piston type water hammer eliminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219263545U (en) |
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2023
- 2023-02-08 CN CN202320152747.3U patent/CN219263545U/en active Active
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