CN206246769U - A kind of drinking-water pipe pressure-reducing valve with filter - Google Patents
A kind of drinking-water pipe pressure-reducing valve with filter Download PDFInfo
- Publication number
- CN206246769U CN206246769U CN201621369717.4U CN201621369717U CN206246769U CN 206246769 U CN206246769 U CN 206246769U CN 201621369717 U CN201621369717 U CN 201621369717U CN 206246769 U CN206246769 U CN 206246769U
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- Prior art keywords
- valve
- chamber
- valve chamber
- hole
- drinking
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Abstract
The utility model discloses a kind of drinking-water pipe pressure-reducing valve with filter, including valve body, valve body includes valve body, cover plate, bonnet, and bottom flange, bonnet, is internally provided with valve seat, the inside of valve seat offers sliding chamber, guide rail is machined with the inwall in sliding chamber, slided on guide rail and be provided with top shoe and sliding block, the upper surface of top shoe is installed with rolling bearing, the inner ring of rolling bearing is fixedly connected with the bottom outer peripheral surface of screw mandrel, compression spring is provided between top shoe and sliding block, the lower surface of sliding block is fixedly connected by welding manner with the top end surface of guide pillar, the inside processing of bottom flange is formed with valve chamber and lower valve chamber, connectivity part between upper valve chamber and lower valve chamber forms control hole, connectivity part between upper valve chamber and lower valve chamber is additionally provided with filter, the bottom of guide pillar is installed with valve element.The utility model simple structure, valve seal effect is good, and control is simple, while the impurity in flowing water can be filtered effectively, it is to avoid damage valve element, practical.
Description
Technical field
The utility model is related to a kind of pressure-reducing valve field, specifically a kind of drinking-water pipe pressure-reducing valve with filter.
Background technology
Pressure-reducing valve is, by regulation, inlet pressure to be reduced to the outlet pressure of a certain needs, and the energy by medium in itself
Amount, makes outlet pressure keep the valve of stabilization automatically.From the viewpoint of hydrodynamics, pressure-reducing valve is that a local resistance can become
The restricting element of change, i.e., by changing orifice size, change the kinetic energy of flow velocity and fluid, causes the different pressure losses, from
And reach the purpose of decompression.Then by control and the regulation of regulating system, the fluctuation and spring force for making downstream pressure balance each other,
Downstream pressure is set to keep constant in certain error range.
Filter is not provided with inside pressure-reducing valve of the prior art, the impurity in water is easily accessible in valve element, influenceed
The normal of valve is used, meanwhile, pressure-reducing valve sealing effectiveness of the prior art is poor, and practicality is not strong.
Utility model content
The purpose of this utility model is to provide a kind of drinking-water pipe pressure-reducing valve with filter, to solve the above-mentioned back of the body
The problem proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme:
A kind of drinking-water pipe pressure-reducing valve with filter, including valve body, the valve body include valve body, cover plate, upper valve
Lid and bottom flange;The bonnet, is internally provided with valve seat;The inside of the valve seat offers sliding chamber;The inwall in the sliding chamber
On be machined with guide rail;Slided on the guide rail and be provided with top shoe and sliding block;The upper surface of the top shoe is installed with
Rolling bearing;The inner peripheral surface of the rolling bearing by way of interference fits or interference fit with the bottom outer ring of screw mandrel
Surface is fixedly connected;The top of the screw mandrel is installed with regulation plate stem;Pass through screw thread in the internal thread through hole of the cover plate
Connected mode is rotated with screw mandrel and is connected;Compression spring is provided between the top shoe and sliding block;The following table of the sliding block
Face is fixedly connected by welding manner with the top end surface of guide pillar;The junction inner sealing of the bonnet, and the bottom flange
It is provided with flexible gland;The lower seal of the guide pillar is slideably positioned in the inside of flexible gland;The bottom flange it is interior
Portion's processing is formed with valve chamber and lower valve chamber;The left end of the bottom flange is provided with water inlet;The right-hand member of the bottom flange is set
There is delivery port;Connectivity part between the upper valve chamber and lower valve chamber forms control hole;Company between the upper valve chamber and lower valve chamber
Logical place is additionally provided with filter;The bottom of the guide pillar is installed with valve element;The right lower quadrant inner chamber of the lower valve chamber and blowdown
Passage is interconnected, and the outer peripheral surface of drain outlet is connected through a screw thread mode and is connected with each other with the inner peripheral surface of closure.
As further program of the utility model:The outer peripheral surface of the screw mandrel is machined with external screw thread;The cover plate
Middle part is machined with internal thread through hole.
As further program of the utility model:Fixation is arranged with flexible sealing on the hole shape end face of the control hole
Pad.
As further program of the utility model:The left end of the lower valve chamber is interconnected with the right-hand member of water inlet;Institute
The left end of the right-hand member and delivery port of stating valve chamber is interconnected.
As further program of the utility model:The filter is the internal uniform tabular knot for being machined with drainage through hole
Structure, drainage through hole is through-hole structure of the section in inverted trapezoidal.
As further program of the utility model:The valve element is block structure of the section in reverse frustoconic.
Compared with prior art, the beneficial effects of the utility model are:Compression spring setting cause and hole shape end face
All the time it is fully contacted, improves the leak preventing effect of pressure-reducing valve;From the water that water inlet enters in lower valve chamber, through on filter
During drainage through hole, the impurity in water is filtered, and impurity is rested in lower valve chamber, and the water in lower valve chamber enters lower valve from bottom to up
It is indoor, it is to avoid the impurity in water blocks drainage through hole;Drainage through hole is through-hole structure of the section in inverted trapezoidal, is further avoided
Drainage through hole is blocked by impurity, improves the using effect of pressure-reducing valve;After impurity in water gathers a period of time in lower valve chamber,
Closure is opened, impurity is discharged through drain outlet.To sum up, whole device simple structure, valve seal effect is good, and control is simple,
The impurity in flowing water can be effectively filtered simultaneously, it is to avoid damage valve element, it is practical.
Brief description of the drawings
Fig. 1 is the structural representation of the drinking-water pipe pressure-reducing valve with filter.
Fig. 2 is the structural representation of filter in the drinking-water pipe pressure-reducing valve with filter.
In figure:1- valve bodies, 2- cover plates, 3- valve seats, 4- regulation plate stems, 5- bonnet,s, 6- cunnings chamber, 7- screw mandrels, 8- bottom flanges,
9- filters, 91- drainage through holes, the upper valve chambers of 10-, 11- flexible glands, 12- water inlets, 13- delivery ports, 14- valve elements, 15-
Closure, 16- guide pillars, 17- top shoes, 18- rolling bearings, 19- guide rails, 20- lower valve chamber, 21- compression springs, 22- control holes,
23- sliding blocks.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Fig. 1-2, a kind of drinking-water pipe pressure-reducing valve with filter, including valve body 1 are referred to, the valve body 1 includes
Valve body 1, cover plate 2, bonnet, 5 and bottom flange 8;The outer ring top end surface of the bonnet, 5 is bolted mode and cover plate 2
Outer ring bottom lower surface be fixedly connected;The outer ring bottom lower surface of the bonnet, 5 is bolted mode and bottom flange 8
Outer ring upper surface be fixedly connected;The bonnet, 5 is internally provided with valve seat 3;The inside of the valve seat 3 offers sliding chamber 6;
Guide rail 19 is machined with the inwall in the sliding chamber 6;Slided on the guide rail 19 and be provided with top shoe 17 and sliding block 23;On described
The upper surface of sliding block 17 is installed with rolling bearing 18;The inner peripheral surface of the rolling bearing 18 passes through interference fits or mistake
The mode of cooperation that is full of is fixedly connected with the bottom outer peripheral surface of screw mandrel 7;The outer peripheral surface of the screw mandrel 7 is machined with external screw thread;Institute
The top for stating screw mandrel 7 is installed with regulation plate stem 4;The middle part of the cover plate 2 is machined with internal thread through hole;The cover plate 2
Mode is connected through a screw thread in internal thread through hole to be connected with the rotation of screw mandrel 7;It is provided between the top shoe 17 and sliding block 23
Compression spring 21;The lower surface of the sliding block 23 is fixedly connected by welding manner with the top end surface of guide pillar 16;The pressure
The top of contracting spring 21 is fixedly connected with the lower surface of top shoe 17;The bottom of the compression spring 21 and the following table of sliding block 23
Face is fixedly connected;The junction inner sealing of the bonnet, 5 and the bottom flange 8 is provided with flexible gland 11;It is described to lead
The lower seal of post 16 is slideably positioned in the inside of flexible gland 11;The inside processing of the bottom flange 8 is formed with valve chamber
10 and lower valve chamber 20;The left end of the bottom flange 8 is provided with water inlet 12;The right-hand member of the bottom flange 8 is provided with delivery port 13;
The left end of the lower valve chamber 20 is interconnected with the right-hand member of water inlet 12;The right-hand member of the upper valve chamber 10 and the left end of delivery port 13
It is interconnected;Connectivity part between the upper valve chamber 10 and lower valve chamber 20 forms control hole 22, on the hole shape end face of control hole 22
Fixation is arranged with flexible gasket;Connectivity part between the upper valve chamber 10 and lower valve chamber 20 is additionally provided with filter 9, filter
9 underfaces for being located at control hole 22;The filter 9 is the internal uniform platy structure for being machined with drainage through hole 91, and drainage leads to
Hole 91 is through-hole structure of the section in inverted trapezoidal;The bottom of the guide pillar 16 is installed with valve element 14, and valve element 14 is in for section
The block structure of reverse frustoconic;The right lower quadrant inner chamber of the lower valve chamber 20 is interconnected with drain outlet, the outer ring of drain outlet
The inner peripheral surface that surface is connected through a screw thread mode and closure 15 is connected with each other, and drain outlet and closure 15 junction
It is provided with rubber seal ring.
Operation principle of the present utility model is:Regulation plate stem 4 is rotated, regulation plate stem 4 drives screw mandrel 7 to be rotated, screw mandrel 7
Mode being connected through a screw thread between cover plate 2 and being rotated and be connected, when screw mandrel 7 is rotated, screw mandrel 7 occurs downward relative to cover plate 2
There is downward sliding on rails 19 in feed motion, top shoe 17 now, in the presence of compression spring 21, now under
Sliding block 23 drives the slide downward of guide pillar 16, and then the bottom of valve element 14 is said that control hole 22 is blocked, so as to realize pressure-reducing valve to water
The break-make control of stream;The setting of compression spring 21 causes that the 14 hole shape end face with 22 is fully contacted all the time, improves pressure-reducing valve
Leak preventing effect;It is miscellaneous in water when through drainage through hole 91 on filter 9 from the water that water inlet 12 enters in lower valve chamber 20
Matter is filtered, impurity is rested in lower valve chamber 20, and the water in lower valve chamber 20 enters in lower valve chamber 20 from bottom to up, it is to avoid water
In impurity block drainage through hole 91;Drainage through hole 91 is through-hole structure of the section in inverted trapezoidal, further avoid drainage and leads to
Hole 91 is blocked by impurity, improves the using effect of pressure-reducing valve;Impurity in water is opened after accumulation a period of time in lower valve chamber 20
Closure 15, impurity is discharged through drain outlet.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of this patent objective not be departed from
Make a variety of changes.
Claims (6)
1. a kind of drinking-water pipe pressure-reducing valve with filter, including valve body (1), it is characterised in that the valve body (1) includes
Valve body (1), cover plate (2), bonnet, (5) and bottom flange (8);The bonnet, (5) is internally provided with valve seat (3);The valve
The inside of seat (3) offers sliding chamber (6);Guide rail (19) is machined with the inwall of the sliding chamber (6);Slided on the guide rail (19)
It is provided with top shoe (17) and sliding block (23);The upper surface of the top shoe (17) is installed with rolling bearing (18);Institute
State the inner peripheral surface of rolling bearing (18) by way of interference fits or interference fit with the bottom outer peripheral surface of screw mandrel (7)
It is fixedly connected;The top of the screw mandrel (7) is installed with regulation plate stem (4);Pass through in the internal thread through hole of the cover plate (2)
Thread connecting mode is rotated with screw mandrel (7) and is connected;Compression spring is provided between the top shoe (17) and sliding block (23)
(21);The lower surface of the sliding block (23) is fixedly connected by welding manner with the top end surface of guide pillar (16);The upper valve
The junction inner sealing of lid (5) and the bottom flange (8) is provided with flexible gland (11);The bottom of the guide pillar (16) is close
Envelope is slideably positioned in the inside of flexible gland (11);The bottom flange (8) inside processing be formed with valve chamber (10) and under
Valve chamber (20);The left end of the bottom flange (8) is provided with water inlet (12);The right-hand member of the bottom flange (8) is provided with delivery port
(13);Connectivity part between the upper valve chamber (10) and lower valve chamber (20) forms control hole (22);The upper valve chamber (10) and under
Connectivity part between valve chamber (20) is additionally provided with filter (9);The bottom of the guide pillar (16) is installed with valve element (14);Institute
The right lower quadrant inner chamber and drain outlet for stating lower valve chamber (20) are interconnected, and the outer peripheral surface of drain outlet is connected through a screw thread mode
Inner peripheral surface with closure (15) is connected with each other.
2. the drinking-water pipe pressure-reducing valve with filter according to claim 1, it is characterised in that the screw mandrel (7)
Outer peripheral surface be machined with external screw thread;Internal thread through hole is machined with the middle part of the cover plate (2).
3. the drinking-water pipe pressure-reducing valve with filter according to claim 1, it is characterised in that the control hole
(22) fixation is arranged with flexible gasket on hole shape end face.
4. the drinking-water pipe pressure-reducing valve with filter according to claim 1, it is characterised in that the lower valve chamber
(20) left end is interconnected with the right-hand member of water inlet (12);The right-hand member of the upper valve chamber (10) and the left end phase of delivery port (13)
It is intercommunicated.
5. the drinking-water pipe pressure-reducing valve with filter according to claim 1, it is characterised in that the filter
(9) it is the internal uniform platy structure for being machined with drainage through hole (91), drainage through hole (91) is section in the through hole knot of inverted trapezoidal
Structure.
6. the drinking-water pipe pressure-reducing valve with filter according to claim 1, it is characterised in that the valve element (14)
Be section in reverse frustoconic block structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621369717.4U CN206246769U (en) | 2016-12-13 | 2016-12-13 | A kind of drinking-water pipe pressure-reducing valve with filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621369717.4U CN206246769U (en) | 2016-12-13 | 2016-12-13 | A kind of drinking-water pipe pressure-reducing valve with filter |
Publications (1)
Publication Number | Publication Date |
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CN206246769U true CN206246769U (en) | 2017-06-13 |
Family
ID=59007483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621369717.4U Expired - Fee Related CN206246769U (en) | 2016-12-13 | 2016-12-13 | A kind of drinking-water pipe pressure-reducing valve with filter |
Country Status (1)
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CN (1) | CN206246769U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107398112A (en) * | 2017-08-10 | 2017-11-28 | 南通江天化学股份有限公司 | Triazine axoplasm microparticle filter |
CN107736336A (en) * | 2017-10-26 | 2018-02-27 | 绍兴柯桥雷霄机械科技有限公司 | A kind of formalin sample device of good airproof performance |
-
2016
- 2016-12-13 CN CN201621369717.4U patent/CN206246769U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107398112A (en) * | 2017-08-10 | 2017-11-28 | 南通江天化学股份有限公司 | Triazine axoplasm microparticle filter |
CN107736336A (en) * | 2017-10-26 | 2018-02-27 | 绍兴柯桥雷霄机械科技有限公司 | A kind of formalin sample device of good airproof performance |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20201213 |