CN201818838U

CN201818838U - Liquid flushing type multi-channel switching valve assembly

Info

Publication number: CN201818838U
Application number: CN2010205353793U
Authority: CN
Inventors: 李�杰
Original assignee: Zhejiang Jingquan Water Treatment Equipment Co Ltd
Current assignee: Zhejiang Jingquan Water Treatment Equipment Co Ltd
Priority date: 2010-09-14
Filing date: 2010-09-14
Publication date: 2011-05-04
Anticipated expiration: 2020-09-14

Abstract

The utility model discloses a liquid flushing type multi-channel switching valve assembly, which comprises a valve. A water inlet cavity, a water outlet cavity and a drain cavity are arranged in the valve, and a flow guide portion I, a flow guide portion II and a valve core assembly are arranged at the junctions of the water inlet cavity, the water outlet cavity and the drain cavity, wherein the flow guide portion I is used for communicating the water inlet cavity with the water outlet cavity, the flow guide portion II is used for communicating the water outlet cavity with the drain cavity, and the valve core assembly is used for controlling the flow guide portion I and the flow guide portion II to be connected and disconnected alternately. Besides, the valve is further provided with an elastic cavity and a pressure control mechanism, wherein the elastic cavity is connected with the valve core assembly, and the pressure control mechanism is used for adjusting the internal pressure of the elastic cavity. The elastic cavity is adjusted by the pressure control mechanism to expand and contract, thereby driving the valve core assembly to slide between the flow guide portion I and the flow guide portion II in a reciprocating manner, and realizing alternate connection and disconnection of the flow guide portion I and the flow guide portion II. Although channels are switched by means of pressure adjustment, change of the pressure is realized by controlling an electromagnetic valve. Accordingly, the liquid flushing type multi-channel switching valve assembly not only is simple in structure and convenient in control, but also omits investment for equipment such as air sources and the like, and is low in manufacturing cost.

Description

A kind of liquid stamp multichannel switching channel valve assembly

Technical field

The utility model relates to a kind of valve mechanism, a kind of specifically liquid stamp multichannel switching channel valve.

Background technique

Switching valve is the controlling component of core in the water-treating equipment, by the switching to the valve internal channel, forms different flow channels, thereby realizes required function.As existing be the drinking machine of core filtration with the reverse osmosis membrane, just often need filter with the backwash two states under switch, to keep the well-equipped working state of reverse osmosis membrane filtration.Switching method to the switching valve internal channel mainly contains following several at present: 1, adopt multi-layer sealed circle to form different Seal cages with grille, move between a plurality of Seal cages by the columniform piston of Electric Machine Control, have the passage of difference in functionality with formation; 2, arrange a plurality of banded valves on valve body, several valves dislocation is is wherein opened and closed the flow direction that changes fluid by the Electric Machine Control cam; 3, adopt control of dividing plate or rotary turnplate and guiding current.More than three kinds of equal switching valves of structure all need a large amount of precision partss to form to attach together to form, complex structure, causes the switching valve cost to improve at the processing of part, matching requirements height.In recent years, the major valve assembly comes the switching of control channel by gas pressure, and the control effect is better, provides air pressure but need set up air machinery, makes cost increase again; And electric or pneumatic element is fragile, operation is complicated more.

Summary of the invention

Problem to be solved in the utility model just provides a kind of liquid stamp multichannel switching channel valve assembly, have simple in structure, passage easy switching, quick, easy to control, the characteristics that cost is low.

For solving the problems of the technologies described above, the utility model adopts following technological scheme: a kind of liquid stamp multichannel switching channel valve assembly, comprise valve body, establish water-inlet cavity in the valve body, water chamber and drain chamber, at water-inlet cavity, water chamber, drain chamber three's intersection is provided with the diversion division I that is communicated with water-inlet cavity and water chamber, the diversion division II and the control diversion division I that are communicated with water chamber and drain chamber, diversion division II replaces the Spool assembly of break-make, it is characterized in that: the voltage-controlled mechanism that also is provided with the flexible cavity that is connected with Spool assembly on the described valve body and is used to regulate the flexible cavity internal pressure, flexible cavity is produced by the adjusting of voltage-controlled mechanism to expand and is used to drive described Spool assembly with contractile motion reciprocatingly slides realization diversion division I between diversion division I and diversion division II, the alternately break-make of diversion division II.In multichannel switching channel valve, water-inlet cavity, water chamber, diversion division I form the filtration channel in the valve, water chamber, drain chamber, diversion division II then form the backwash passage in the valve, the alternately break-make of diversion division I, diversion division II has promptly realized the switching that multichannel switching channel valve filters state and backwash state.

Further, described flexible cavity comprises following spring sheet, goes up spring sheet and surrounds the Seal cage that forms by following spring sheet and last spring sheet, following spring sheet is connected with valve seal, the spring sheet position has via under the valve body correspondence, described Spool assembly is connected with following spring sheet by via, and following spring sheet produces resiliently deformable by the expansion of flexible cavity and contractile motion and is used to drive the Spool assembly motion.

Further, described voltage-controlled mechanism comprises solenoid valve, to the outlet pipe of Seal cage draining decompression usefulness and the intake pipe that Seal cage water-filling supercharging in the flexible cavity is used in the flexible cavity, described solenoid valve is installed on the break-make that replaces that is used to control Seal cage and outlet pipe, Seal cage and intake pipe on the spring sheet.

Further, intake pipe adopts water delivery hose, and the one end connects solenoid valve, and the water-inlet cavity that the other end is communicated with valve body is used for the water in the water-inlet cavity is introduced Seal cage.

Further, water-inlet cavity, water chamber, drain chamber three's intersection is provided with blocking blade I, blocking blade II and the blocking blade III with the valve body integrative-structure, diversion division I is formed at blocking blade II and blocking blade I top, and diversion division II is formed at blocking blade III and blocking blade I bottom.

Further, described Spool assembly comprises the last valve plate that is used to seal diversion division I, be used to the valve rod that seals the lower valve plate of diversion division II and be used to connect valve plate and lower valve plate, the top of valve rod is run through valve plate and is fixed tightly in down by nut makes down spring sheet be close to valve plate on the spring sheet, the resiliently deformable of following spring sheet acts on valve plate makes it drive whole Spool assembly motion.

The beneficial effects of the utility model: switch though the utility model adopts the pressure regulative mode to finish passage, but the variation of pressure realizes by control electromagnetic valve, when practical application, only need common power supply just can make solenoid valve work, realize the filtration and the backwash of valve, not only simple in structure, control convenience, and not needing the input of equipment such as source of the gas, the cost cost is low; The integral body that solenoid valve and channel valve constitute has only simple mechanical motion, does not relate to electric or pneumatic element, easy to assembly, not fragile, long service life.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further described:

Structural representation when Fig. 1 filters state for the utility model;

Structural representation when Fig. 2 is the utility model backwash state.

Embodiment

As shown in Figure 1, a kind of liquid stamp multichannel switching channel valve assembly, comprise valve body 1, establish water-inlet cavity 10 in the valve body 1, water chamber 11 and drain chamber 12, at water-inlet cavity 10, water chamber 11, drain chamber 12 threes' intersection is provided with the diversion division I 13 that is communicated with water-inlet cavity 10 and water chamber 11, the diversion division II 14 and the control diversion division I 13 that are communicated with water chamber 11 and drain chamber 12, diversion division II 14 is the Spool assembly of break-make alternately, the voltage-controlled mechanism that also is provided with the flexible cavity 2 that is connected with Spool assembly and is used to regulate flexible cavity 2 internal pressures on the described valve body 1, flexible cavity 2 is produced by the adjusting of voltage-controlled mechanism to expand and is used to drive described Spool assembly with contractile motion reciprocatingly slides realization diversion division I13 between diversion division I 13 and diversion division II 14, the alternately break-make of diversion division II 14.In multichannel switching channel valve, the filtration channel that water-inlet cavity 10, water chamber 11, diversion division I 13 form in the valve, water chamber 11, drain chamber 12, diversion division II 14 be the interior backwash passage of formation valve then, the alternately break-make of diversion division I 13, diversion division II 14 has promptly realized the switching that multichannel switching channel valve filters state and backwash state.Water-inlet cavity 10, water chamber 11, drain chamber 12 threes' intersection is provided with blocking blade I 15, blocking blade II 16 and the blocking blade III17 with valve body 1 integrative-structure, blocking blade II 16 forms diversion division I 13 with blocking blade I 15 tops, and diversion division II 14 is formed at blocking blade III17 and blocking blade I 15 bottoms.

Flexible cavity 2 comprises down spring sheet 22, go up spring sheet 21 and surround the Seal cage 20 that forms by spring sheet 22 down with last spring sheet 21, following spring sheet 22 is tightly connected with valve body 1, valve body 1 corresponding spring sheet 22 positions down have via 19, described Spool assembly is connected with following spring sheet 22 by via 19, and following spring sheet 22 is produced resiliently deformable and is used to drive Spool assembly and moves by the expansion of flexible cavity 2 and contractile motion.Voltage-controlled mechanism comprises solenoid valve 3 and is connected intake pipe 32 and outlet pipe 31 on the solenoid valve 3, and described solenoid valve 3 is installed on and is used to control Seal cage 20 on the spring sheet 21 and replaces break-make with outlet pipe 31, Seal cage 20 with intake pipe 32.Intake pipe 32 adopts water delivery hose, and an end of intake pipe 32 connects solenoid valve 3, and the water-inlet cavity 10 that the other end is communicated with valve body 1 is used for the water in the water-inlet cavity 10 is introduced Seal cage 20; Certainly, the other end of intake pipe 32 also can an external water source, can realize that the water-filling supercharging of Seal cage 20 gets final product.Spool assembly comprise be used to seal diversion division I 13 last valve plate 40, the valve rod 4 that is used to seal the lower valve plate 41 of diversion division II 14 and is used to connect valve plate 40 and lower valve plate 41, the top of valve rod 4 is run through valve plate 40 and is fixed tightly in down by nut makes down spring sheet 22 and last valve plate 40 be close on the spring sheet 22, the resiliently deformable of following spring sheet 22 acts on valve plate 40 and makes it drive whole Spool assembly to move.

Working principle of the present utility model:

As shown in Figure 1, the utility model is inserted in the filtering mechanism, under the normal filtration state, close solenoid valve 3, outlet pipe 31 conductings, water in the flexible cavity 2 flows out through outlet pipe 31, Seal cage 20 pressure reduce, thereby make valve body 1 water-inlet cavity 10 hydraulic pressure greater than Seal cage 20 pressure, and flexible cavity 2 shrinks, upwards distortion pulling valve rod 4 motions of following spring sheet 22, meanwhile, last valve plate 40 lower end surfaces upwards hold up under water-inlet cavity 10 hydraulic actions, diversion division I 13 conductings, last valve plate 40 drives lower valve plate 41 rising sealing diversion division II 14 by valve rod, and current are successively by water-inlet cavity 10, diversion division I 13, water chamber 11 inflow filters.

After filtration after a while, filter element in the filtration system can be subjected to pollution in various degree, need wash this moment to filter element, to prolong the life-span of filter, and the pollutant on the filter cell can be more thoroughly removed in utilization backwash from bottom to top, thereby recovers the absorption and the filtering function of filter cell.As shown in Figure 2, under the backwash state, open solenoid valve 3, intake pipe 32 conductings, and outlet pipe 31 cuts off, a part of water in the water-inlet cavity 10 is introduced in the Seal cage 20 by intake pipe 32, Seal cage 20 pressure increase, flexible cavity 2 expands and makes that spring sheet 22 is out of shape down downwards, thereby promoting whole Spool assembly moves downward, last valve plate 40 sealing diversion division I 13, lower valve plate 41 then separates with diversion division II 14 makes diversion division II 14 conductings, and backwashing water is discharged filtration system through water chamber 11, diversion division II 14, drain chamber 12.

Solenoid valve 3 can insert in the automatic control mechanism of filtration system by datawire, the control of solenoid valve 3 working staties is realized the automatic switchover of filtration system filters state and backwash state by automatic control system.Those skilled in the art can make various changes and distortion according to the utility model in addition, only otherwise break away from spirit of the present utility model, all should belong to the defined scope of the utility model claims.

Claims

1. liquid stamp multichannel switching channel valve assembly, comprise valve body (1), establish water-inlet cavity (10) in the valve body (1), water chamber (11) and drain chamber (12), in water-inlet cavity (10), water chamber (11), drain chamber (12) three's intersection is provided with the diversion division I (13) that is communicated with water-inlet cavity (10) and water chamber (11), the diversion division II (14) and the control diversion division I (13) that are communicated with water chamber (11) and drain chamber (12), diversion division II (14) is the Spool assembly of break-make alternately, it is characterized in that: also be provided with flexible cavity (2) that is connected with Spool assembly and the voltage-controlled mechanism that is used to regulate flexible cavity (2) internal pressure on the described valve body (1), flexible cavity (2) is produced by the adjusting of voltage-controlled mechanism to expand and is used to drive described Spool assembly with contractile motion reciprocatingly slides realization diversion division I (13) between diversion division I (13) and diversion division II (14), the alternately break-make of diversion division II (14).

2. a kind of liquid stamp multichannel switching channel valve assembly according to claim 1, it is characterized in that: described flexible cavity (2) comprises spring sheet (22) down, last spring sheet (21) and the Seal cage (20) that forms by following spring sheet (22) and last spring sheet (21) encirclement, following spring sheet (22) is tightly connected with valve body (1), corresponding spring sheet (22) position down of valve body (1) has via (19), described Spool assembly is connected with following spring sheet (22) by via (19), and following spring sheet (22) is produced resiliently deformable and is used to drive Spool assembly and moves by the expansion of flexible cavity (2) and contractile motion.

3. a kind of liquid stamp multichannel switching channel valve assembly according to claim 2, it is characterized in that: described voltage-controlled mechanism comprises solenoid valve (3), to the outlet pipe (31) of the interior Seal cage of flexible cavity (2) (20) draining decompression usefulness and the intake pipe (32) that the water-filling supercharging is used to interior the Seal cage of flexible cavity (2) (20), and described solenoid valve (3) is installed on the break-make that replaces that is used to control Seal cage (20) and outlet pipe (31), Seal cage (20) and intake pipe (32) on the spring sheet (21).

4. a kind of liquid stamp multichannel switching channel valve assembly according to claim 3, it is characterized in that: intake pipe (32) adopts water delivery hose, the one end connects solenoid valve (3), and the water-inlet cavity (10) that the other end is communicated with valve body (1) is used for the water in the water-inlet cavity (10) is introduced Seal cage (20).

5. according to claim 1 or 2 or 3 or 4 described a kind of liquid stamp multichannel switching channel valve assemblies, it is characterized in that: water-inlet cavity (10), water chamber (11), drain chamber (12) three's intersection is provided with blocking blade I (15), blocking blade II (16) and the blocking blade III (17) with valve body (1) integrative-structure, blocking blade II (16) forms diversion division I (13) with blocking blade I (15) top, and blocking blade III (17) forms diversion division II (14) with blocking blade I (15) bottom.

6. according to claim 2 or 3 or 4 described a kind of liquid stamp multichannel switching channel valve assemblies, it is characterized in that: described Spool assembly comprises the last valve plate (40) that is used to seal diversion division I (13), be used to seal the lower valve plate (41) of diversion division II (14) and be used to connect valve plate (40) and the valve rod (4) of lower valve plate (41), the top of valve rod (4) is run through valve plate (40) and is fixed tightly in down by nut makes down spring sheet (22) be close to valve plate (40) on the spring sheet (22), the resiliently deformable of following spring sheet (22) acts on valve plate (40) makes it drive whole Spool assembly motion.