CN215258013U - Backflow prevention check valve with filtering device - Google Patents
Backflow prevention check valve with filtering device Download PDFInfo
- Publication number
- CN215258013U CN215258013U CN202121485133.4U CN202121485133U CN215258013U CN 215258013 U CN215258013 U CN 215258013U CN 202121485133 U CN202121485133 U CN 202121485133U CN 215258013 U CN215258013 U CN 215258013U
- Authority
- CN
- China
- Prior art keywords
- check valve
- backflow prevention
- screen cloth
- input
- scraper
- 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.)
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- 230000002265 prevention Effects 0.000 title claims abstract description 15
- 238000001914 filtration Methods 0.000 title claims description 9
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 239000004744 fabric Substances 0.000 abstract description 12
- 238000004140 cleaning Methods 0.000 abstract description 7
- 238000007493 shaping process Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000012216 screening Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model relates to a check valve technical field specifically discloses a take filter equipment's backflow prevention check valve, including the check valve body, the pipeline interface is installed to the outside bottom intercommunication of check valve body, and demountable installation has first sealed lid in pipeline interface bottom, and the integrated shaping in check valve body left side has the input body, and the integrated shaping in check valve body right side has the output body, and the inside fixed mounting of input body has the ball valve, and input body outer wall bottom intercommunication is installed and is arranged the scum pipe. The utility model discloses a shaft impeller can rotate under the state of rivers, and the rotation of shaft impeller can drive the scraper and rotate, and the scraper can cut off the clearance with the foreign matter of cuttage on the screen cloth body, can realize the self-cleaning function of the screen cloth body, and the inside screen cloth body of output body can wash the screen cloth body when the normal water delivery of check valve body, reduces the remaining foreign matter of the screen cloth body, and the inside screen cloth body of output body almost need not clean, reduces the time of later maintenance.
Description
Technical Field
The utility model relates to a check valve technical field specifically is a take filter equipment's backflow prevention check valve.
Background
The check valve is also called the check valve, opens the valve clack in the valve body through the pressure of rivers and switches on, and the valve clack can the pressurized be closed when rivers reverse transportation, plays the one-way function of opening, and the foreign matter can be piled up to the valve body inside when letting in rivers in the valve body, and the foreign matter piles up the lift that can influence the valve clack when too much, so we provide a take filter equipment's anti-backflow check valve.
The utility model discloses a take filter equipment's backflow prevention check valve (CN 210266034U), includes valve body, valve gap, retaining member, disk seat, spring and valve clack, the top of valve body is provided with the valve gap, the valve body is installed through the retaining member with the valve gap, the inner chamber of valve body is provided with the disk seat, the inside of disk seat is inlayed and is had the valve clack, the internal fixed surface of retaining member installs the spring, be provided with the rubber packing ring between valve body top and the valve gap, the left side of valve body is provided with the connecting pipe, the inner chamber welding of connecting pipe has the inner tube.
In the process of implementing the present invention, the inventor finds that at least the following problems in the prior art are not solved; when the device is used for cleaning the filter screen, the filter screen is inconvenient to backwash, so that the cleanliness of the filter screen is poor, and foreign matters are still accumulated on the valve clack part due to the lack of filtering measures at the water outlet end of the device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take filter equipment's backflow prevention check valve has solved the problem that proposes among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take filter equipment's backflow prevention check valve, including the check valve body, the pipeline interface is installed to the outside bottom intercommunication of check valve body, demountable installation has first sealed lid in pipeline interface bottom, the integrated shaping in check valve body left side has the input body, the integrated shaping in check valve body right side has the output body, the inside fixed mounting of input body has the ball valve, the scum pipe is installed to input body outer wall bottom intercommunication, the equal integrated shaping of input body and output body inner wall has the collar, collar surface demountable installation has the screen cover body, screen cover body inner wall fixed mounting has the mounting bracket, the mounting bracket middle part is rotated and is installed the axis body, axis body outside demountable installation has the axle impeller, the inboard demountable installation of axis body has the scraper.
As a preferred embodiment of the present invention, the scraper is in contact with the outer surface of the screen body.
As a preferred embodiment of the present invention, the distance from the shaft impeller to the mounting frame is 2 cm.
As a preferred embodiment of the utility model, the gauze mask body surface thread installs spacing bolt, spacing bolt and mounting ring surface thread connection.
As a preferred embodiment of the utility model, the bottom of the slag discharging pipe is detachably provided with a second sealing cover.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a shaft impeller can rotate under the state of rivers, and the rotation of shaft impeller can drive the scraper and rotate, and the scraper can cut off the clearance with the foreign matter of cuttage on the screen cloth body, can realize the self-cleaning function of the screen cloth body, and the inside screen cloth body of output body can wash the screen cloth body when the normal water delivery of check valve body, reduces the remaining foreign matter of the screen cloth body, and the inside screen cloth body of output body almost need not clean, reduces the time of later maintenance.
2. The utility model discloses a net cover body that input body and output body inside set up can prevent that the foreign matter of input body and output body inside from entering into the check valve internally, promotes the smooth and easy nature that the valve clack of check valve body reciprocated, through closing the ball valve to open the sealed lid of second and first sealed lid, let in the water under high pressure in toward the pipe connection, can clear up the accumulational foreign matter of input body inside, the clearance is fast and effectual.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a front view of a backflow prevention check valve with a filtering device according to the present invention;
fig. 2 is the utility model discloses a take filter equipment's backflow prevention check valve's the gauze mask body's schematic structure diagram.
In the figure: 1. a ball valve; 2. a slag discharge pipe; 3. a second sealing cover; 4. a net cover body; 5. a mounting ring; 6. a pipe interface; 7. a first sealing cover; 8. inputting the tube body; 9. a mounting frame; 10. a check valve body; 11. an output pipe body; 12. a limit bolt; 13. a scraper; 14. a shaft impeller; 15. a shaft body.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, the utility model provides a technical solution: the utility model provides a take filter equipment's backflow prevention check valve, including check valve body 10, pipeline interface 6 is installed to the outside bottom intercommunication of check valve body 10, demountable installation has first sealed lid 7 in pipeline interface 6 bottom, 10 left sides integrated into shapes of check valve body have input body 8, 10 right sides integrated into shapes of check valve body have output body 11, the inside fixed mounting of input body 8 has ball valve 1, slag pipe 2 is installed to 8 outer wall bottom intercommunications of input body, input body 8 and 11 inner wall homogeneous integrated into shapes of output body have collar 5, 5 surface demountable installation of collar have the gauze mask body 4, 4 inner wall fixed mounting of gauze mask body have mounting bracket 9, mounting bracket 9 mid-mounting has axis body 15, 15 outside demountable installation of axis body has axle impeller 14, 15 inboard demountable installation of axis body has scraper 13.
In this embodiment, as shown in fig. 1 and fig. 2, the screening body 4 disposed inside the input pipe 8 and the output pipe 11 can prevent the foreign matters inside the input pipe 8 and the output pipe 11 from entering the check valve 10, so as to improve the smoothness of the up-and-down movement of the valve flap of the check valve 10, by closing the ball valve 1 and opening the second sealing cover 3 and the first sealing cover 7, and introducing high-pressure water into the pipe connector 6, the accumulated foreign matters inside the input pipe 8 can be cleaned, the cleaning speed is high and the cleaning effect is good, the shaft impeller 14 can rotate under the state of water flow, the rotation of the shaft impeller 14 can drive the scraper 13 to rotate, the scraper 13 can cut off and clean the foreign matters inserted on the screening body 4, so as to realize the self-cleaning function of the screening body 4, the screening body 4 inside the output pipe 11 can flush the screening body 4 when the check valve 10 normally delivers water, the residual foreign matters in the net cover body 4 are reduced, the net cover body 4 in the output pipe body 11 almost does not need to be cleaned, and the time of later maintenance is reduced.
In this embodiment, referring to fig. 1, the scraper 13 is in contact with the outer surface of the screen cover body 4, the shaft impeller 14 can rotate in a water flow state, the rotation of the shaft impeller 14 can drive the scraper 13 to rotate, and the scraper 13 can cut off and clean the foreign matters stuck on the screen cover body 4.
In this embodiment, referring to fig. 1, the distance between the shaft impeller 14 and the mounting frame 9 is 2cm, so that the shaft impeller 14 and the mounting frame 9 are prevented from being scratched.
Referring to fig. 1 in this embodiment, a limiting bolt 12 is installed on the surface of the net cover body 4 in a threaded manner, and the limiting bolt 12 is connected with the surface of the mounting ring 5 in a threaded manner, so that the net cover body 4 and the mounting ring 5 can be conveniently and fixedly connected.
In this embodiment, referring to fig. 1, the second sealing cover 3 is detachably mounted at the bottom of the slag discharging pipe 2, when the foreign matter inside the input pipe 8 is cleaned, the second sealing cover 3 needs to be opened, and the foreign matter inside the input pipe 8 is discharged from the slag discharging pipe 2.
The working principle is as follows: when the backflow-preventing check valve with the filtering device is used, water flow is conveyed from the input pipe body 9 to the inside of the check valve body 10, the valve clack inside the check valve body 10 is flushed by water pressure, the water flow can flow into the output pipe body 11, the net cover body 4 arranged inside the input pipe body 8 and the output pipe body 11 can prevent foreign matters inside the input pipe body 8 and the output pipe body 11 from entering the check valve body 10, the foreign matters accumulated inside the input pipe body 8 can be cleaned after a period of time, the foreign matters inside the input pipe body 8 can be discharged from the slag discharge pipe 2 by closing the ball valve 1 and opening the second sealing cover 3 and the first sealing cover 7, high-pressure water is introduced into the pipeline interface 6, the shaft impeller 14 can rotate under the state of water flow, the scraper 13 can be driven to rotate by the rotation of the shaft impeller 14, and the scraper 13 can cut off and clean the foreign matters inserted on the net cover body 4, self-cleaning of the screen body 4 can be achieved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a take filter equipment's backflow prevention check valve, includes check valve body (10), its characterized in that: pipeline interface (6) is installed to the outside bottom intercommunication of check valve body (10), demountable installation has first sealed lid (7) in pipeline interface (6) bottom, check valve body (10) left side integrated into shape has input body (8), check valve body (10) right side integrated into shape has output body (11), input body (8) inside fixed mounting has ball valve (1), slag pipe (2) is installed to input body (8) outer wall bottom intercommunication, input body (8) and output body (11) inner wall homogeneous into shape have collar (5), collar (5) surface demountable installation has the gauze cover body (4), gauze cover body (4) inner wall fixed mounting has mounting bracket (9), mounting bracket (9) mid-rotation installs axis body (15), axis body (15) outside demountable installation has axle impeller (14), the inner side of the shaft body (15) is detachably provided with a scraper (13).
2. The backflow prevention check valve with the filtering device as claimed in claim 1, wherein: the scraper (13) is in contact with the outer surface of the screen body (4).
3. The backflow prevention check valve with the filtering device as claimed in claim 1, wherein: the distance between the shaft impeller (14) and the mounting frame (9) is 2 cm.
4. The backflow prevention check valve with the filtering device as claimed in claim 1, wherein: the surface of the net cover body (4) is provided with a limiting bolt (12) in a threaded manner, and the limiting bolt (12) is connected with the surface of the mounting ring (5) in a threaded manner.
5. The backflow prevention check valve with the filtering device as claimed in claim 1, wherein: the bottom of the slag discharging pipe (2) is detachably provided with a second sealing cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121485133.4U CN215258013U (en) | 2021-07-01 | 2021-07-01 | Backflow prevention check valve with filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121485133.4U CN215258013U (en) | 2021-07-01 | 2021-07-01 | Backflow prevention check valve with filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215258013U true CN215258013U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121485133.4U Active CN215258013U (en) | 2021-07-01 | 2021-07-01 | Backflow prevention check valve with filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215258013U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822927A (en) * | 2022-03-04 | 2023-03-21 | 奥腾能源科技发展(苏州)有限公司 | Reciprocating compressor metal discharge valve plate with multiple safeguard function |
| CN116889995A (en) * | 2022-04-08 | 2023-10-17 | 克朗斯股份公司 | Container cleaning module of modular container cleaning machine and method of operating same |
-
2021
- 2021-07-01 CN CN202121485133.4U patent/CN215258013U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822927A (en) * | 2022-03-04 | 2023-03-21 | 奥腾能源科技发展(苏州)有限公司 | Reciprocating compressor metal discharge valve plate with multiple safeguard function |
| CN116889995A (en) * | 2022-04-08 | 2023-10-17 | 克朗斯股份公司 | Container cleaning module of modular container cleaning machine and method of operating same |
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