CN213039888U - Water hammer-proof check valve - Google Patents
Water hammer-proof check valve Download PDFInfo
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- CN213039888U CN213039888U CN202022144061.9U CN202022144061U CN213039888U CN 213039888 U CN213039888 U CN 213039888U CN 202022144061 U CN202022144061 U CN 202022144061U CN 213039888 U CN213039888 U CN 213039888U
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Abstract
The utility model discloses a check valve for a waterproof hammer, which comprises a valve body and a valve cover, wherein the valve body is provided with a water inlet and a water outlet; a water through cavity is arranged between the water inlet and the water outlet of the valve body, an installation seat frame is arranged in the water through cavity, the installation seat frame is connected with a buffering and eliminating device and comprises a central seat ring and a plurality of seat ring connecting branch ends, and a water through hole for communicating the water inlet and the water outlet is formed between every two seat ring connecting branch ends; the buffering and eliminating device comprises a positioning frame, a spring, a disc and a fixed baffle, wherein the positioning frame is connected with the central seat ring, the fixed baffle is screwed in the water inlet and forms positioning support against the disc, one end of the spring is positioned and supported against the positioning frame, and the other end of the spring is formed and supported against the fixed baffle. The utility model discloses not only more direct quick water hammer phenomenon buffering with the production offset, but also do not influence normal hydraulic water service and use, improve the reliability of buffering remove device integral erection simultaneously.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to waterproof hammer check valve.
Background
In a cold and hot water system, a water hammer phenomenon can be generated by sudden opening and closing of water consumption equipment, such as a single-handle mixed faucet, a ball valve, an electric valve and the like, the water pressure vibration is caused by rapid opening and closing of the valve, the generated vibration extends in a pipeline in the form of overpressure waves, and the overpressure waves can be reflected back after the water consumption equipment is blocked by other water consumption elements or pipeline elbows and the like; this may cause damage to the wading control components in the connecting lines and other waterways, and may also be accompanied by noise generation.
Therefore, the valve for preventing the water hammer appears in the market, is arranged in a connecting pipeline and is used for solving the water hammer phenomenon, and the valve for preventing the water hammer appears in various structures in the market, but most of the valves are provided with a channel communicated with the pipeline, and then the water hammer phenomenon enters through the channel and acts on an elastic buffer device in the valve for buffering and eliminating; although the water hammer phenomenon can be buffered and eliminated to a certain extent, the water hammer formed in the pipeline is buffered and eliminated after entering the pipeline through the channel, so that the rapid and direct buffering and elimination of the water hammer phenomenon are influenced; moreover, the entering degree of the water hammer phenomenon is also influenced by the angle between the channel arranged on the valve and the pipeline and the position of the pipeline connected with the valve integrally, so that the structural design is very troublesome, and the water hammer phenomenon is not quickly and directly buffered and eliminated by the structural design.
Disclosure of Invention
The utility model aims at solving the problem that proposes in the above-mentioned background art, provide a waterproof hammer check valve.
In order to achieve the above purpose, the technical scheme of the utility model is that: a water hammer-proof check valve comprises a valve body and a valve cover, wherein the valve body is provided with a water inlet and a water outlet; a water through cavity is arranged between the water inlet and the water outlet of the valve body, an installation seat frame is arranged in the water through cavity, a buffering and eliminating device is connected onto the installation seat frame, the installation seat frame comprises a central seat ring and a plurality of seat ring connecting branch ends, the circumferences of the seat ring connecting branch ends are uniformly arranged on the outer circumference of the central seat ring and are connected with the inner wall of the water through cavity, and a water through hole for communicating the water inlet and the water outlet is formed between every two seat ring connecting branch ends; the buffering and eliminating device comprises a positioning frame, a spring, a disc and a fixed baffle, wherein the positioning frame is connected with the central seat ring, the fixed baffle is screwed in the water inlet and forms positioning support against the disc, one end of the spring is positioned and supported against the positioning frame, and the other end of the spring is formed and supported against the fixed baffle.
In the above check valve for a waterproof hammer, the thickness of the seat ring connecting branch end in the mounting seat frame is greater than that of the central seat ring, so that a positioning groove is formed on one side opposite to the water inlet, and the central seat ring is provided with a central positioning hole; the locating rack comprises a locating column part and a locating disc part, the locating column part is matched in the central locating hole, and the locating disc part is matched at the locating groove.
In the above waterproof hammer check valve, the positioning column part of the positioning frame is respectively provided with a spring positioning hole and a disc positioning hole, and the end part of the spring is positioned in the spring positioning hole; and a disc positioning column is arranged on the end surface of the disc corresponding to the positioning frame and is matched with the disc positioning hole.
In the above-mentioned check valve for a water hammer, the end face of the disc abutted against the spring is provided with a spring positioning groove, and the end part of the spring is abutted against the spring positioning groove.
In the above check valve for the water hammer, a positioning boss for positioning the fixed baffle is arranged in the valve body.
In the above-mentioned water hammer prevention check valve, be provided with the elastic gasket in the spring locating hole, the spring tip supports with the elastic gasket forms and leans on.
Adopt above technical scheme, the utility model discloses following beneficial effect has:
compared with the prior art structure, the utility model discloses be provided with the logical water cavity between the water inlet of valve body and delivery port, and install the buffering remove device, the disc among the buffering remove device directly corresponds with the water inlet of valve body, directly acts on the disc when producing the water hammer phenomenon, thereby cushions the offset through compression spring with the water hammer phenomenon, and in the in-process of offsetting the water hammer phenomenon through disc compression spring buffering, also do not influence rivers and flow out from the limbers in the logical water cavity; the water hammer phenomenon generated is more directly and quickly buffered and offset, and the water supply use of normal water pressure is not influenced.
Compared with the prior art structure, the utility model discloses fixed baffle among the buffering eliminator is screwed on and is fixed in the water inlet, through it when forming location installation to other parts and leaning on, need not worry about the problem of leaking and leakproofness; the installation seat frame for installing the buffering and eliminating device is arranged in the water passing cavity, and two ends of the spring are elastically abutted to the positioning frame and the disc respectively, so that all parts are positioned and installed through the installation seat frame and the fixed baffle plate, and the reliability of the overall installation of the buffering and eliminating device is improved.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a perspective sectional view of the valve body of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 and 2, the present invention provides a check valve for preventing water hammer, which includes a valve body 1 and a valve cover 2, wherein the valve body is provided with a water inlet 3 and a water outlet 4; a water passing cavity 5 is arranged between the water inlet 3 and the water outlet 4 of the valve body 1, an installation seat frame 6 is arranged in the water passing cavity 5, the installation seat frame 6 is connected with a buffering and eliminating device, the installation seat frame 6 comprises a central seat ring 7 and a plurality of seat ring connecting branch ends 8, the circumferences of the seat ring connecting branch ends are uniformly arranged on the outer circumference of the central seat ring 7 and are connected with the inner wall of the water passing cavity 5, and a water passing hole 9 for communicating the water inlet 3 with the water outlet 4 is formed between every two seat ring connecting branch ends 8; the buffering and eliminating device comprises a positioning frame 10, a spring 11, a disc 12 and a fixed baffle 13, wherein the positioning frame 10 is connected with the central seat ring 7, the fixed baffle 13 is screwed in the water inlet 3 and forms positioning support against the disc 12, one end of the spring 11 is positioned and supported against the positioning frame 10, and the other end of the spring is formed and supported against the fixed baffle 13.
Further, the thickness of the seat ring connecting support end 8 in the installation seat frame 6 is larger than that of the central seat ring 7, so that a positioning groove 14 is formed on one side opposite to the water inlet 3, and a central positioning hole 15 is formed in the central seat ring 7; the positioning frame 10 comprises a positioning column part 16 and a positioning disc part 17, wherein the positioning column part 16 is matched in the central positioning hole 15, and the positioning disc part 17 is matched at the positioning groove 14; so that the positioning frame 10 and the mounting bracket 6 form a positioning installation.
Further, a spring positioning hole 18 and a disc positioning hole 19 are respectively arranged in the positioning column part 16 of the positioning frame 10, and the end part of the spring 11 is positioned in the spring positioning hole 18; a disc positioning column 20 is arranged on the end face of the disc 12 corresponding to the positioning frame 10, and the disc positioning column 20 is matched with and positioned in the disc positioning hole 19; thereby improving the stability of the spring 11 during compression and movement of the disc 12.
Further, a spring positioning groove 21 is arranged on the end surface of the disc 12 abutting against the spring 11, and the end of the spring 11 abuts against and is located in the spring positioning groove 21; thereby improving the stability of the abutment between the spring 11 and the disc 12.
Furthermore, a positioning boss 22 for positioning the fixed baffle 13 is arranged in the valve body 1, so that the fixed baffle 13 is screwed and fixed with a limited position, and the elimination capability of the whole buffering and eliminating device on the water hammer phenomenon is avoided from being too less due to too much screwing.
Furthermore, an elastic gasket 23 is arranged in the spring positioning hole 18, and the end part of the spring 11 is abutted against the elastic gasket 23, so that the buffering and eliminating performance of the whole buffering and eliminating device on the water hammer phenomenon is improved.
The installation and use principle of the utility model is further described as follows:
in the using process of the waterway system, if the waterway system is suddenly opened to generate a water hammer phenomenon, the waterway system acts on the disc 12 to push the disc 12 to compress the spring 11, so that the pressure generated by the water hammer phenomenon is buffered and counteracted by the counterforce of the spring 11; when the disc 12 is pushed by the pressure generated by the water hammer phenomenon to compress the spring 11, a water passing gap is formed between the disc 12 and the fixed baffle 13, so that the water hammer phenomenon generated by the water flow is buffered and eliminated, and simultaneously enters the water passing cavity 5 and flows to the water outlet hole o from the water passing hole 9.
The above detailed description is made on the check valve for the water hammer according to the embodiment of the present invention, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the above description of the embodiments is only used to help understand the technical solution disclosed by the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (6)
1. A water hammer-proof check valve comprises a valve body and a valve cover, wherein the valve body is provided with a water inlet and a water outlet; the method is characterized in that: a water through cavity is arranged between the water inlet and the water outlet of the valve body, an installation seat frame is arranged in the water through cavity, a buffering and eliminating device is connected onto the installation seat frame, the installation seat frame comprises a central seat ring and a plurality of seat ring connecting branch ends, the circumferences of the seat ring connecting branch ends are uniformly arranged on the outer circumference of the central seat ring and are connected with the inner wall of the water through cavity, and a water through hole for communicating the water inlet and the water outlet is formed between every two seat ring connecting branch ends; the buffering and eliminating device comprises a positioning frame, a spring, a disc and a fixed baffle, wherein the positioning frame is connected with the central seat ring, the fixed baffle is screwed in the water inlet and forms positioning support against the disc, one end of the spring is positioned and supported against the positioning frame, and the other end of the spring is formed and supported against the fixed baffle.
2. The water hammer resistant check valve of claim 1, wherein: the thickness of the seat ring connecting support end in the mounting seat frame is larger than that of the central seat ring, so that a positioning groove is formed on one side opposite to the water inlet, and the central seat ring is provided with a central positioning hole; the locating rack comprises a locating column part and a locating disc part, the locating column part is matched in the central locating hole, and the locating disc part is matched at the locating groove.
3. The water hammer resistant check valve of claim 2, wherein: a spring positioning hole and a disc positioning hole are respectively arranged in the positioning column part of the positioning frame, and the end part of the spring is positioned in the spring positioning hole; and a disc positioning column is arranged on the end surface of the disc corresponding to the positioning frame and is matched with the disc positioning hole.
4. The water hammer resistant check valve of claim 3, wherein: the end face of the disc abutted against the spring is provided with a spring positioning groove, and the end part of the spring is abutted against the spring positioning groove.
5. The water hammer resistant check valve of claim 1, wherein: and a positioning boss for positioning the fixed baffle is arranged in the valve body.
6. The water hammer resistant check valve of claim 3, wherein: an elastic gasket is arranged in the spring positioning hole, and the end part of the spring is abutted against the elastic gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022144061.9U CN213039888U (en) | 2020-09-27 | 2020-09-27 | Water hammer-proof check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022144061.9U CN213039888U (en) | 2020-09-27 | 2020-09-27 | Water hammer-proof check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213039888U true CN213039888U (en) | 2021-04-23 |
Family
ID=75535531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022144061.9U Active CN213039888U (en) | 2020-09-27 | 2020-09-27 | Water hammer-proof check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213039888U (en) |
-
2020
- 2020-09-27 CN CN202022144061.9U patent/CN213039888U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A waterproof hammer check valve Effective date of registration: 20211019 Granted publication date: 20210423 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: ZHEJIANG YONGDEXIN TECHNOLOGY Co.,Ltd. Registration number: Y2021980010676 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |