CN206027218U - Leading filter of anti -water hammer prevents frostbite - Google Patents
Leading filter of anti -water hammer prevents frostbite Download PDFInfo
- Publication number
- CN206027218U CN206027218U CN201620909651.7U CN201620909651U CN206027218U CN 206027218 U CN206027218 U CN 206027218U CN 201620909651 U CN201620909651 U CN 201620909651U CN 206027218 U CN206027218 U CN 206027218U
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- Prior art keywords
- valve body
- water hammer
- resistant
- valve
- filter
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Abstract
The utility model belongs to the technical field of the filter, refer in particular to a leading filter. Including the filter main part that has feed liquor end with go out the liquid end, be provided with the barrel in the filter main part, be provided with filtering component in the barrel, be provided with the blowoff valve at the lower tip of barrel, filter main part upper end is provided with the anti -water hammer valve. The anti -water hammer valve includes valve body and bottom, and the through -hole has just been offered at the lower tip of valve body to the bottom spiro union in the middle part of the bottom, be provided with upper and lower movable seal installation's piston in the valve body, the valve body inner chamber is separated become the closed cabin and open cabin that each other does not communicate respectively to the piston according to upper and lower position, be provided with the spring in the closed cabin, the spring setting between valve body and piston, the downstream of bottom restriction piston. The utility model discloses be provided with the anti -water hammer valve, the anti -water hammer valve can absorb rivers and cut out the vibrations that cause, effectively solve the pipeline in the equipment of paddling by the highly pressurised liquid impact fracture with by the problem of low temperature frost crack.
Description
Technical field
This utility model belongs to filter technology field, refers in particular to a kind of antifreeze water hammer-resistant fore filter.
Background technology
At present, fore filter is first coarse filtration equipment of liquid, can be big with the silt in filter liquid, rust etc.
Particulate matter.Fore filter is the jinx of secondary pollution, is a kind of reliable device for filtering impurities.
In the pipeline of closing, when flow velocity is too high or too low suddenly within the extremely short time for current, current then occur
Shock such as hammer, it generally is stopped causing by the unexpected closing of valve, faucet or water pump.Water hammer can cause pipeline
In superpressure and negative pressure extension, therefore the damage of equipment of paddling in producing huge noise and pipeline, or even cause feed pipe
The rupture on road.
In addition, in the environment of low temperature, liquid frost in sealing pipeline can cause volume to become big, relate in easily causing pipeline
The bursting by freezing of wetting system.
In sum, the equipment of paddling in pipeline how is efficiently solved by highly pressurised liquid impact failure and by low temperature bursting by freezing
Problem, be current those skilled in the art's urgent problem.
The content of the invention
The purpose of this utility model is to provide a kind of simple structure, can slow down highly pressurised liquid impact, can prevent low temperature bursting by freezing
Antifreeze water hammer-resistant fore filter.
What the purpose of this utility model was realized in:
A kind of antifreeze water hammer-resistant fore filter, including the filter body with liquid feeding end and liquid outlet, filter master
Cylinder is provided with body, filter assemblies are provided with cylinder, and the bottom of cylinder is provided with blowoff valve, the filter body
Upper end is provided with water hammer-resistant valve.
Preferably, the water hammer-resistant valve includes valve body, is bolted with bottom in the bottom of valve body, offers logical in the middle part of bottom
Hole;The piston that upper and lower movable sealing is installed is provided with the valve body, and body cavity is divided respectively by piston according to upper and lower position
Mutual disconnected closed cabin and open cabin is divided into, spring in closed cabin, is provided with, spring is arranged between valve body and piston, described
Bottom limits moving downward for piston.
Preferably, limiting section one is provided with the inner face of the piston, and the lower end of the spring is socketed in limiting section one
On.
Preferably, limiting section two is provided with the inner face of the valve body, and the upper end of the spring is socketed in limiting section two
On.
Preferably, at least one seal groove is provided with the piston outer wall, be provided with sealing ring in each seal groove
One, the sealing ring one is contacted with the valve interior wall movable sealing.
Preferably, valve body installation portion is provided with the filter body, and valve body installation portion passes through spiral shell with the valve body 60
Stricture of vagina mode connects, and is provided with sealing ring two between the valve body installation portion and valve body.
Preferably, the filter assemblies include filtration core and the drainage screen being arranged on filter body, the drainage screen
Positioned at the outside of filtration core.
Preferably, the filtration core includes axially several ring skeleton pieces of arrangement and the annular bone of several connections
The connection sheet of frame piece, the two neighboring ring skeleton piece form cannelure.
Preferably, the filtration core upper end stretches out and is provided with several installation sheets, arranges on the cylinder inboard wall
There is the mounting groove of correspondence fixed installation piece, the filtration core upper end is connected on the installation position of the filter body, the mistake
Filter element lower end is connected on cylinder.
This utility model is prominent and beneficial compared to existing technology to be had the technical effect that:
1st, this utility model is provided with water hammer-resistant valve, and water hammer-resistant valve can absorb current and cut out the vibrations for causing, effectively solve
Equipment is paddled in pipeline certainly by highly pressurised liquid impact failure and the problem by low temperature bursting by freezing.
2nd, sealing ring of the present utility model can effectively prevent liquid from entering closed cabin, because liquid is incompressible
, once so liquid enters closed cabin, the effect of water hammer-resistant valve will fail.
Description of the drawings
Fig. 1 is structure diagram of the present utility model.
Fig. 2 is profile of the present utility model.
Fig. 3 is this utility model explosive view.
Fig. 4 is enlarged drawing at this utility model A.
Fig. 5 is the structure diagram of this utility model filtration core.
In figure:1- filter bodies;2- cylinders;3- filtration cores;4- drainage screens;7- ball valves;11- liquid feeding ends;12- goes out liquid
End;13- blanking covers;14- installation positions;22- sealing rings two;31- ring skeleton pieces;32- connection sheets;33- cannelures;34- installation sheets;
60- valve bodies;61- bottoms;62- pistons;63- springs;64- through holes;66- sealing rings one;67- closed cabins;68- opens cabin;69- is limited
Position portion one;70- limiting sections two.
Specific embodiment
This utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-5:
A kind of antifreeze water hammer-resistant fore filter, it is including the filter body 1 with liquid feeding end 11 and liquid outlet 12, described
The left end of filter body 1 is provided with liquid feeding end 11, and the liquid feeding end 11 is provided with feed liquor pipe connections by nut;The mistake
The right-hand member of filter body 1 is provided with liquid outlet 12, and the liquid outlet 12 is provided with drain pipe connector by nut.Filter master
Cylinder 2 is provided with body 1, is provided with filter assemblies, the bottom of cylinder 2 is provided with blowoff valve 7, the filtration in cylinder 2
1 upper end of device main body is provided with water hammer-resistant valve.The water hammer-resistant valve can absorb current and cut out the vibrations for causing, effectively solving pipe
Equipment is paddled in road by highly pressurised liquid impact failure and the problem by low temperature bursting by freezing.
Preferably, the water hammer-resistant valve includes valve body 60 and bottom 61, and bottom 61 is screwed onto the bottom of valve body 60, and
Through hole 64 is offered in the middle part of bottom 61;It is provided with the piston 62 that upper and lower movable sealing is installed in the valve body 60, piston 62 is by valve
60 inner chamber of body is separated into mutual disconnected closed cabin 67 and open cabin 68 respectively according to upper and lower position, is provided with closed cabin 67
Spring 63, spring 63 are arranged between valve body 60 and piston 62, and the bottom 61 limits the downward extreme position of piston 62.
The operation principle of water hammer-resistant valve:When current are closed, fluid pressure moment increase in sealing pipeline, highly pressurised liquid are led to
Through hole 64 is crossed into open cavity 68, and promotes piston 62 to move upwards, extrude closed cabin 67,67 inner air of closed cabin and spring
63 are compressed simultaneously, and water hammer-resistant valve absorbs current and cuts out the vibrations for causing;When current are opened, in sealing pipeline, fluid pressure subtracts
Few, spring 63 resets, and piston 62 is moved downward.Water hammer-resistant valve paddles equipment by highly pressurised liquid impact in effectively solving pipeline
Destruction problem.
The water hammer-resistant valve still another advantage of the present invention:At low ambient temperatures, liquid frost in sealing pipeline can cause body
Product becomes big, and piston 62 can be promoted to move upwards, and in closed cabin 67, air and spring 63 compress simultaneously, and open 68 volume of cabin increases
Greatly, the increase of pipeline inner space is sealed, can prevents that fore filter etc. is paddled the problem of equipment bursting by freezing because of low temperature.
Preferably, limiting section 1 is provided with the inner face of the piston 62, and the lower end of the spring 63 is socketed in limit
In position portion 1.
Preferably, limiting section 2 70 is provided with the inner face of the valve body 60, and the upper end of the spring 63 is socketed in limit
In position portion 2 70.The limiting section 1 and limiting section 2 70 are annular protrusion or annular groove, the two ends of the spring 63
It is socketed on the limiting section 1 and limiting section 2 70 respectively, facilitates the installation of spring 63.
Preferably, at least one seal groove is provided with 62 outer wall of the piston, be provided with sealing in each seal groove
Enclose 1, the sealing ring 1 is O-ring, the sealing ring 1 is contacted with 60 inwall movable sealing of the valve body.It is described
Sealing ring 1 can effectively prevent liquid from entering closed cabin 67, because liquid is incompressible, once liquid enters institute
Space is stated, the effect of water hammer-resistant valve will fail.This utility model has been arranged side by side three seal grooves and three sealing rings respectively
One 66.
Preferably, valve body installation portion is provided with the filter body 1, and valve body installation portion passes through spiral shell with the valve body 60
Stricture of vagina mode connects, and is provided with sealing ring 2 22 between the valve body installation portion and valve body 60, and the sealing ring 2 22 is O-ring,
It is arranged between the upper surface of valve body installation portion and the lower surface of valve body 60, it is ensured that the sealing of water hammer-resistant valve, prevents leakage.
Preferably, the filter assemblies include the filtration core 3 being arranged on filter body 1 and drainage screen 4, the filtration
Core 3 be plastic filter core, the drainage screen 4 be located at filtration core 3 outside, the drainage screen 4 be stainless steel filter screen, rustless steel
Filter screen filtration effect is sufficiently stable, with decay resistance, while cleaning is simple, can be cleaned by backwash.
Preferably, the filtration core 3 includes axially several ring skeleton pieces 31 of arrangement, and several connection annulars
The connection sheet 32 of matrix tablet 31, the two neighboring ring skeleton piece 31 form cannelure 33.
Preferably, 3 upper end of the filtration core stretches out and is provided with several installation sheets 34, on 2 inwall of the cylinder
The mounting groove of correspondence fixed installation piece 34 is provided with, 3 upper end of the filtration core is connected to the installation position 14 of the filter body 1
On, 3 lower end of the filtration core is connected on cylinder 2, and the Standard is convenient.
Preferably, the blowoff valve is ball valve 7.
Preferably, 64 inwall of the through hole is provided with polygon dismounting position.It is preferred that the polygon dismounting position is hexagon
Or octagon, it is convenient by tool group assembly and disassembly bottom 61.
Preferably, at least one installing hole is provided with the filter body 1, be provided with blanking cover on the installing hole
13.During use, blanking cover 13 of dismantling, the installing hole is convenient to install the testing equipments such as pressure gauge, flow meter.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection model of the present utility model according to this
Enclose, therefore:All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (9)
1. a kind of antifreeze water hammer-resistant fore filter, it is characterised in that:Including the mistake with liquid feeding end (11) and liquid outlet (12)
Filter body (1), is provided with filter body (1) in cylinder (2), cylinder (2) and is provided with filter assemblies, in cylinder (2)
Bottom is provided with blowoff valve (7), and filter body (1) upper end is provided with water hammer-resistant valve.
2. a kind of antifreeze water hammer-resistant fore filter according to claim 1, it is characterised in that:The water hammer-resistant valve includes
Valve body (60), is bolted with bottom (61) in the bottom of valve body (60), offers through hole (64) in the middle part of bottom (61);The valve body
(60) piston (62) that upper and lower movable sealing is installed is provided with, and piston (62) is by valve body (60) inner chamber according to upper and lower position point
Mutual disconnected closed cabin (67) and open cabin (68) are not separated into, in closed cabin (67), spring (63), spring (63) is provided with
It is arranged between valve body (60) and piston (62).
3. a kind of antifreeze water hammer-resistant fore filter according to claim 2, it is characterised in that:Piston (62) it is interior
Limiting section one (69) is provided with end face, and the lower end of spring (63) is socketed on limiting section one (69).
4. a kind of antifreeze water hammer-resistant fore filter according to Claims 2 or 3, it is characterised in that:Valve body (60)
Inner face on be provided with limiting section two (70), the upper end of spring (63) is socketed on limiting section two (70).
5. a kind of antifreeze water hammer-resistant fore filter according to claim 2, it is characterised in that:Piston (62) outer wall
On be provided with least one seal groove, be provided with sealing ring one (66), the sealing ring one (66) and institute in each seal groove
State the contact of valve body (60) inwall movable sealing.
6. a kind of antifreeze water hammer-resistant fore filter according to claim 2, it is characterised in that:The filter body
(1) valve body installation portion is provided with, and valve body installation portion is threadedly connected with the valve body (60), the valve body installation portion
Sealing ring two (22) is provided with and valve body (60) between.
7. a kind of antifreeze water hammer-resistant fore filter according to claim 1 and 2, it is characterised in that:The filter assemblies
Including the filtration core (3) and drainage screen (4) that are arranged on filter body (1), described drainage screen (4) are located at filtration core (3)
It is outside.
8. a kind of antifreeze water hammer-resistant fore filter according to claim 7, it is characterised in that:Described filtration core (3) wrap
Include axial several ring skeleton pieces (31) of arrangement, and the annular matrix tablet (31) of several connections connection sheet (32), phase
Adjacent two described ring skeleton piece (31) form cannelure (33).
9. a kind of antifreeze water hammer-resistant fore filter according to claim 7, it is characterised in that:On filtration core (3)
End stretches out and is provided with several installation sheets (34), is provided with correspondence fixed installation piece (34) on cylinder (2) inwall
Mounting groove, filtration core (3) upper end is connected on the installation position (14) of the filter body (1), filtration core (3)
Lower end is connected on cylinder (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620909651.7U CN206027218U (en) | 2016-08-19 | 2016-08-19 | Leading filter of anti -water hammer prevents frostbite |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620909651.7U CN206027218U (en) | 2016-08-19 | 2016-08-19 | Leading filter of anti -water hammer prevents frostbite |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206027218U true CN206027218U (en) | 2017-03-22 |
Family
ID=58305445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620909651.7U Expired - Fee Related CN206027218U (en) | 2016-08-19 | 2016-08-19 | Leading filter of anti -water hammer prevents frostbite |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206027218U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107096286A (en) * | 2017-04-21 | 2017-08-29 | 孙祎 | One kind control hydraulic pressure running water fore filter device |
CN110075602A (en) * | 2019-04-11 | 2019-08-02 | 海宁市倍世环保科技有限公司 | A kind of fore filter of resistance to jelly |
CN114797226A (en) * | 2022-06-27 | 2022-07-29 | 江苏双辉环境科技有限公司 | Explosion-proof type filter that prevents frostbite |
-
2016
- 2016-08-19 CN CN201620909651.7U patent/CN206027218U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107096286A (en) * | 2017-04-21 | 2017-08-29 | 孙祎 | One kind control hydraulic pressure running water fore filter device |
CN110075602A (en) * | 2019-04-11 | 2019-08-02 | 海宁市倍世环保科技有限公司 | A kind of fore filter of resistance to jelly |
CN114797226A (en) * | 2022-06-27 | 2022-07-29 | 江苏双辉环境科技有限公司 | Explosion-proof type filter that prevents frostbite |
CN114797226B (en) * | 2022-06-27 | 2022-09-16 | 江苏双辉环境科技有限公司 | Explosion-proof type filter that prevents frostbite |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
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: 20170322 Termination date: 20180819 |