CN209115733U - A kind of check-valves of anti-backflow - Google Patents
A kind of check-valves of anti-backflow Download PDFInfo
- Publication number
- CN209115733U CN209115733U CN201821961809.0U CN201821961809U CN209115733U CN 209115733 U CN209115733 U CN 209115733U CN 201821961809 U CN201821961809 U CN 201821961809U CN 209115733 U CN209115733 U CN 209115733U
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- China
- Prior art keywords
- water outlet
- water
- flange
- water inlet
- valve body
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- Expired - Fee Related
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- Check Valves (AREA)
Abstract
The utility model discloses a kind of check-valves of anti-backflow, including non-return valve body, it further include interceptor structure and cleaning mechanism, the non-return valve body includes valve body, the water outlet pipe of valve body side and the water inlet pipe of the valve body other side, top flange is provided at the top of the valve body, the side of the water outlet pipe is provided with water outlet pipe flange, the other side of the water inlet pipe is provided with water inlet pipe flange, the cleaning mechanism is mounted on the inside of water outlet pipe, the cleaning mechanism includes the sliding ring on the inside of wiper ring brush and wiper ring brush inside water outlet pipe, it can be intercepted by the filter screen engaged inside water inlet pipe, then it is cleared up outside check-valves, it is very convenient, avoid the blocking of check-valves；And with the accumulation of usage time, it after the inner wall attachment scale of water outlet pipe reaches certain thickness, can be cleaned by the slipping ring inside sliding by wiper ring brush, very convenient progress scale removing.
Description
Technical field
The utility model belongs to check-valves technical field, and in particular to a kind of check-valves of anti-backflow.
Background technique
Check-valves refers to be flowed and automatic open and close flap by medium itself, for the valve for preventing medium from flowing backwards, also known as
Non-return valve, check valve, reflux valve and counterbalance valve.Check-valves belongs to a kind of automatic valve, and main function is to prevent medium from falling
It flows, prevent pump and drive motor reversion and vessel media from releasing.
Existing check-valves is after water flow enters water inlet pipe from aqueduct, once there are biggish object, meeting in water flow
As water flow enters inside check-valves, the blocking of check-valves is caused；And with the accumulation of usage time, in water outlet pipe
Wall can adhere to increasingly thicker scale, it has not been convenient to the problem of being purged, thus it is proposed that a kind of check-valves of anti-backflow.
Utility model content
The purpose of this utility model is to provide a kind of check-valves of anti-backflow, mentioned above in the background art to solve
Existing check-valves is after water flow enters water inlet pipe from aqueduct, once there is biggish object in water flow, it can be with water flow
Into inside check-valves, the blocking of check-valves is caused；And with the accumulation of usage time, can adhere in the inner wall of water outlet pipe
Increasingly thicker scale, it has not been convenient to the problem of being purged.
To achieve the above object, the utility model provides the following technical solutions: a kind of check-valves of anti-backflow, including non-return
Valve body, further includes interceptor structure and cleaning mechanism, and the non-return valve body includes the water outlet pipe and valve of valve body, valve body side
The water inlet pipe of the body other side is provided with top flange at the top of the valve body, and the side of the water outlet pipe is provided with water outlet
Mouth pipe flange, the other side of the water inlet pipe are provided with water inlet pipe flange, and the cleaning mechanism is mounted on water outlet pipe
Inside, the cleaning mechanism include the sliding ring on the inside of wiper ring brush and wiper ring brush inside water outlet pipe, the sliding
The surface of ring is provided with slide protrusion, and sliding groove is provided on the inside of the water outlet pipe, and the inside of the slide protrusion is set
It is equipped with limiting slot, the limiting slot is internally provided with adjustable spring, and it is convex that one end of the adjustable spring is provided with positioning bullet.
Preferably, the interceptor structure is mounted on the inside of water inlet pipe flange, and the interceptor structure includes water inlet pipe
Filter screen is provided on the outside of filter screen card slot and water inlet pipe flange on the inside of flange, the inside of the water inlet pipe flange is set
Be equipped with the first fixing threaded hole, be provided with water-supply-pipe mounting flange on the outside of the filter screen, the water-supply-pipe mounting flange it is interior
Portion is provided with the second fixing threaded hole, is provided with aqueduct on the outside of the water-supply-pipe mounting flange.
Preferably, the wiper ring brush is adhesively fixed with sliding ring by strong rubber, the sliding ring and water outlet pipe
It is fixed by playing the convex inner wall for resisting water outlet pipe by positioning after slide protrusion and sliding groove limit.
Preferably, the positioning play it is convex with slide protrusion by being attached after limiting slot limit by adjustable spring.
Preferably, the thickness of the filter screen card slot is identical as filter screen, and the water inlet pipe flange passes through with filter screen
After the limit of filter screen card slot, by water-supply-pipe mounting flange and the sealed fixation of water inlet pipe flange.
Compared with prior art, the utility model has the beneficial effects that check-valves enters water inlet from aqueduct in water flow
After mouth pipe, once there is biggish object in water flow, it can be intercepted by the filter screen engaged inside water inlet pipe, then outside check-valves
Portion's cleaning, it is very convenient, avoid the blocking of check-valves；And with the accumulation of usage time, in the inner wall of water outlet pipe
After attachment scale reaches certain thickness, it can be cleaned by the slipping ring inside sliding by wiper ring brush, very convenient progress
Scale is removed.
Detailed description of the invention
Fig. 1 is the check-valves side structure schematic diagram of the utility model；
Fig. 2 is the check-valves top view cross section structural schematic diagram of the utility model；
Fig. 3 is the filter screen fixed structure schematic diagram of the utility model；
Fig. 4 is the water outlet pipe schematic diagram of internal structure of the utility model；
In figure: 1, top flange；2, water outlet pipe flange；3, water outlet pipe；4, valve body；5, water inlet pipe；6, water inlet
Pipe flange；7, positioning plays convex；8, wiper ring brush；9, slide protrusion；10, the first fixing threaded hole；11, filter screen card slot；12, water delivery
Pipeline；13, water-supply-pipe mounting flange；14, the second fixing threaded hole；15, filter screen；16, ring is slided；17, adjustable spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, the utility model provides a kind of technical solution: a kind of check-valves of anti-backflow,
It further include interceptor structure and cleaning mechanism including non-return valve body, non-return valve body includes the water outlet of valve body 4,4 side of valve body
The water inlet pipe 5 of 4 other side of pipe 3 and valve body, the top of valve body 4 are provided with top flange 1, and the side of water outlet pipe 3 is provided with
Water outlet pipe flange 2, the other side of water inlet pipe 5 are provided with water inlet pipe flange 6, and cleaning mechanism is mounted on water outlet pipe 3
Inside, cleaning mechanism include the sliding ring 16 of 8 inside of wiper ring brush 8 and wiper ring brush inside water outlet pipe 3, slide ring
16 surface is provided with slide protrusion 9, and the inside of water outlet pipe 3 is provided with sliding groove, and slide protrusion 9 is internally provided with limit
Slot, limiting slot are internally provided with adjustable spring 17, and one end of adjustable spring 17 is provided with positioning and plays convex 7.
In order to make filter screen 15 facilitate installation, in the present embodiment, it is preferred that interceptor structure is mounted on water inlet pipe flange 6
Inside, interceptor structure includes that the filter screen card slot 11 of the inside of water inlet pipe flange 6 and the outside of water inlet pipe flange 6 are provided with
Filter screen 15, water inlet pipe flange 6 are internally provided with the first fixing threaded hole 10, and it is solid that the outside of filter screen 15 is provided with water-supply-pipe
Determine flange 13, water-supply-pipe mounting flange 13 is internally provided with the second fixing threaded hole 14, and the outside of water-supply-pipe mounting flange 13 is set
It is equipped with aqueduct 12.
In order to make 8 fixation of wiper ring brush, in the present embodiment, it is preferred that wiper ring brush 8 and sliding ring 16 pass through strong
Glue bond is fixed, and sliding ring 16 and water outlet pipe 3 are resisted out by playing convex 7 by positioning after slide protrusion 9 and sliding groove limit
The inner wall of pouring spout 3 is fixed.
Facilitate fixation to make positioning play convex 7, in the present embodiment, it is preferred that positioning plays convex 7 and passes through limit with slide protrusion 9
It is attached after the slot limit of position by adjustable spring 17.
In order to be caught in filter screen 15 conveniently inside filter network card slot 11, in the present embodiment, it is preferred that filter screen card slot 11
Thickness it is identical as filter screen 15, after water inlet pipe flange 6 and filter screen 15 are limited by filter screen card slot 11, consolidated by water-supply-pipe
Determine flange 13 and the sealed fixation of water inlet pipe flange 6.
Embodiment 2
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, the utility model provides a kind of technical solution: a kind of check-valves of anti-backflow,
It further include interceptor structure and cleaning mechanism including non-return valve body, non-return valve body includes the water outlet of valve body 4,4 side of valve body
The water inlet pipe 5 of 4 other side of pipe 3 and valve body, the top of valve body 4 are provided with top flange 1, and the side of water outlet pipe 3 is provided with
Water outlet pipe flange 2, the other side of water inlet pipe 5 are provided with water inlet pipe flange 6, and cleaning mechanism is mounted on water outlet pipe 3
Inside, cleaning mechanism include the sliding ring 16 of 8 inside of wiper ring brush 8 and wiper ring brush inside water outlet pipe 3, slide ring
16 surface is provided with slide protrusion 9, and the inside of water outlet pipe 3 is provided with sliding groove, and slide protrusion 9 is internally provided with limit
Slot, limiting slot are internally provided with adjustable spring 17, and one end of adjustable spring 17 is provided with positioning and plays convex 7.
In order to make filter screen 15 facilitate installation, in the present embodiment, it is preferred that interceptor structure is mounted on water inlet pipe flange 6
Inside, interceptor structure includes that the filter screen card slot 11 of the inside of water inlet pipe flange 6 and the outside of water inlet pipe flange 6 are provided with
Filter screen 15, water inlet pipe flange 6 are internally provided with the first fixing threaded hole 10, and it is solid that the outside of filter screen 15 is provided with water-supply-pipe
Determine flange 13, water-supply-pipe mounting flange 13 is internally provided with the second fixing threaded hole 14, and the outside of water-supply-pipe mounting flange 13 is set
It is equipped with aqueduct 12.
In order to make 8 fixation of wiper ring brush, in the present embodiment, it is preferred that wiper ring brush 8 passes through embedding with sliding ring 16
It closes and fixes, sliding ring 16 is with water outlet pipe 3 by resisting water outlet by positioning bullet convex 7 after slide protrusion 9 and sliding groove limit
The inner wall of pipe 3 is fixed.
Facilitate fixation to make positioning play convex 7, in the present embodiment, it is preferred that positioning plays convex 7 and passes through limit with slide protrusion 9
It is attached after the slot limit of position by adjustable spring 17.
In order to be caught in filter screen 15 conveniently inside filter network card slot 11, in the present embodiment, it is preferred that filter screen card slot 11
Thickness it is identical as filter screen 15, after water inlet pipe flange 6 and filter screen 15 are limited by filter screen card slot 11, consolidated by water-supply-pipe
Determine flange 13 and the sealed fixation of water inlet pipe flange 6.
The working principle and process for using of the utility model: after the utility model installs, water inlet pipe flange 6 and mistake
After strainer 15 is limited by filter screen card slot 11, water-supply-pipe mounting flange 13 and water inlet pipe flange 6 pass through bolt insertion first
Fixing threaded hole 10 and the second fixing threaded hole 14, to filter screen 15, further limit is fixed, and sliding ring 16 passes through with water outlet pipe 3
Slide protrusion 9 and sliding groove limit after, positioning play convex 7 by adjustable spring 17 apply elastic force after tightly against in water outlet pipe 3
Wall is fixed, and at this moment water flow is entered inside water inlet pipe 5 by aqueduct 12, and during water flow flows into, defeated
The biggish tamper of 12 radius of waterpipe will be filtered the interception of net 15, and then water flow can enter inside valve body 4, finally by water outlet
Pipe 3 is gone out, and after adhering to thicker scale in 3 inner wall of water outlet pipe, it can be protruded into handle inside water outlet pipe 3, along sliding
Slot firmly slides sliding ring 16, and the inner wall that at this moment wiper ring brush 8 contacts water outlet pipe 3 removes scale, very convenient.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of check-valves of anti-backflow, including non-return valve body, it is characterised in that: it further include interceptor structure and cleaning mechanism,
The non-return valve body includes the water inlet pipe of valve body (4), the water outlet pipe (3) of valve body (4) side and valve body (4) other side
(5), it is provided with top flange (1) at the top of the valve body (4), the side of the water outlet pipe (3) is provided with water outlet tube method
Blue (2), the other side of the water inlet pipe (5) are provided with water inlet pipe flange (6), and the cleaning mechanism is mounted on water outlet pipe
(3) inside, the cleaning mechanism include the sliding on the inside of water outlet pipe (3) internal wiper ring brush (8) and wiper ring brush (8)
The surface of ring (16), sliding ring (16) is provided with slide protrusion (9), is provided on the inside of the water outlet pipe (3)
Sliding groove, the slide protrusion (9) are internally provided with limiting slot, and the limiting slot is internally provided with adjustable spring (17),
One end of the adjustable spring (17) is provided with positioning and plays convex (7).
2. a kind of check-valves of anti-backflow according to claim 1, it is characterised in that: the interceptor structure is mounted on into water
The inside of mouth pipe flange (6), the interceptor structure includes filter screen card slot (11) and the water inlet on the inside of water inlet pipe flange (6)
It is provided on the outside of pipe flange (6) filter screen (15), the water inlet pipe flange (6) is internally provided with the first fixing threaded hole
(10), be provided with water-supply-pipe mounting flange (13) on the outside of the filter screen (15), the water-supply-pipe mounting flange (13) it is interior
Portion is provided with the second fixing threaded hole (14), is provided with aqueduct (12) on the outside of the water-supply-pipe mounting flange (13).
3. a kind of check-valves of anti-backflow according to claim 1, it is characterised in that: the wiper ring brush (8) and sliding
Ring (16) is adhesively fixed by strong rubber, and the sliding ring (16) and water outlet pipe (3) pass through slide protrusion (9) and sliding groove
It is fixed after limit by the inner wall that positioning bullet convex (7) resists water outlet pipe (3).
4. a kind of check-valves of anti-backflow according to claim 1, it is characterised in that: the positioning plays convex (7) and sliding
Raised (9) are attached after being limited by limiting slot by adjustable spring (17).
5. a kind of check-valves of anti-backflow according to claim 2, it is characterised in that: the thickness of the filter screen card slot (11)
Degree is identical as filter screen (15), after the water inlet pipe flange (6) is limited with filter screen (15) by filter screen card slot (11), by
Water-supply-pipe mounting flange (13) and water inlet pipe flange (6) sealed fixation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821961809.0U CN209115733U (en) | 2018-11-27 | 2018-11-27 | A kind of check-valves of anti-backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821961809.0U CN209115733U (en) | 2018-11-27 | 2018-11-27 | A kind of check-valves of anti-backflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115733U true CN209115733U (en) | 2019-07-16 |
Family
ID=67206551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821961809.0U Expired - Fee Related CN209115733U (en) | 2018-11-27 | 2018-11-27 | A kind of check-valves of anti-backflow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209115733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113426786A (en) * | 2021-07-06 | 2021-09-24 | 铜陵兴荣阀门管件有限公司 | Efficient accessory cleaning equipment for production of low-resistance backflow preventer and using method thereof |
-
2018
- 2018-11-27 CN CN201821961809.0U patent/CN209115733U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113426786A (en) * | 2021-07-06 | 2021-09-24 | 铜陵兴荣阀门管件有限公司 | Efficient accessory cleaning equipment for production of low-resistance backflow preventer and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190716 Termination date: 20191127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |