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CN203309159U - Changeover valve with flow adjustable - Google Patents

Changeover valve with flow adjustable Download PDF

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Publication number
CN203309159U
CN203309159U CN2013203492102U CN201320349210U CN203309159U CN 203309159 U CN203309159 U CN 203309159U CN 2013203492102 U CN2013203492102 U CN 2013203492102U CN 201320349210 U CN201320349210 U CN 201320349210U CN 203309159 U CN203309159 U CN 203309159U
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CN
China
Prior art keywords
valve
flow
metering
spool
orifice
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.)
Expired - Lifetime
Application number
CN2013203492102U
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Chinese (zh)
Inventor
曾金湖
郑宗昌
林龙成
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Xiamen R&T Plumbing Technology Co Ltd
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Xiamen R&T Plumbing Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN2013203492102U priority Critical patent/CN203309159U/en
Application granted granted Critical
Publication of CN203309159U publication Critical patent/CN203309159U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

A changeover valve with flow adjustable comprises a valve body with a water inlet channel and a plurality of water output channels and a valve element which is inserted into the valve cavity of the valve body and is in running fit with the valve body. A disc-type flow valve is arranged in the valve cavity and comprises a first valve block and a second valve block which are in running fit. A changeover water inlet channel and an overflowing hole communicated with any water output channel are formed in the first valve block, flow hole sets which correspond to the positions of the water output channels and allow the overflowing hole to choose through flow to adjust the flow of the water output channels are formed in the second valve block, and the flow hole sets at least comprise constant flow holes used for controlling small flow water outlet in the high-pressure water inflowing process. The valve element is rotated to enable the overflowing hole to select different flow hole sets in an arresting disc, the water inlet channel is made to be communicated with one water output channel, a driven disc is rotated to enable the overflowing hole to select to be communicated with the constant flow holes with different sizes and variable flow holes with different sizes in the flow hole sets, the flow of the water output channels can be controlled, and due to the fact that the constant flow holes controlling the small flow water outlet in the high-pressure water inlet process are formed, the changeover valve is made to adapt to a larger water supply pressure range.

Description

The switching valve that a kind of flow is adjustable
Technical field
The utility model relates to a kind of switching valve, particularly the adjustable switching valve of a kind of flow.
Background technique
As the disclosed flow control valve of Japan Patent (JP 2000-120888), its valve body 14 is provided with a water intake 16, the first row mouth of a river 17 and the second row mouth of a river 18, the spool 15 that installation one in valve body 14 is rotatably assorted with it, spool 15 spins up the groove 15b that the control first row mouth of a river 17 through-flow sections are set, control the groove 15a of the second row mouth of a river 18 through-flow sections, water intake 16 is intake and is passed through spool 15 water guide groove 15a, groove 15b, rotational valve core 15, the groove width that groove 15b changes with LINEAR CONTINUOUS changes the passage section at the first row mouth of a river 17, the groove width that groove 15a changes with LINEAR CONTINUOUS changes the passage section at the second row mouth of a river 18, thereby reach the purpose of controlling the first row mouth of a river 17 and the 18 pairs of water intake 16 bypass flow sizes in the second row mouth of a river, but the existing problem of this shunting scheme is: when intake pressure hour can meet, the adjusting of flow is controlled, but when intake pressure is larger, be adjusted to small flow or be adjusted to the not significantly difference of formation of large flow, cause the flow regulating function of flow control valve to lose efficacy, and the first row mouth of a river 17 and the second row mouth of a river 18 are simultaneously to water intake 16 shunting linear adjust fluxes, and this modulating valve can't switch the water inlet of water intake 16 between the first row mouth of a river 17 and the second row mouth of a river 18.
The model utility content
For addressing the above problem, the utility model is intended to propose the adjustable switching valve of a kind of flow, in valve body, arrange one be used to switching the Flow valve of draining runner and adjusting draining runner flow, to reach switching selection and the flow control to water outlet, the raising switching valve to effective control ability of flow, makes it adapt to larger range hydraulic pressure in larger range hydraulic pressure.
For reaching above-mentioned purpose, the utility model proposes the adjustable switching valve of a kind of flow, comprise that one has valve body, a spool that inserts the valve body valve pocket and be rotatably assorted with valve body of an inlet channel and a plurality of water outlets, it is characterized in that: a disc type Flow valve is set in valve pocket, and this Flow valve comprises the first valve block and the second valve block be rotatably assorted; The through-flow flowing hole of switching inlet channel and arbitrary water outlet is set on the first valve block, it is through-flow to adjust the metering orifice group of water channel flow that on the second valve block, corresponding each water outlet position respectively arranges a confession flowing hole selection, and described metering orifice group comprises that at least one controls the constant current metering-orifice of small flow water outlet when high-pressure water inlet.
Described the first valve block is a follower disk with valve core rotation, and described the second valve block is one to be fixed on the arresting disc in valve pocket, and follower disk pastes tactile the cooperation with arresting disc.
Described metering orifice group also comprises that one can regulate the unsteady flow metering-orifice of controlling large flow water outlet, and the passage section of described constant current metering-orifice or unsteady flow metering-orifice is less than the passage section of flowing hole.
Described metering orifice group comprises two constant current metering-orifices and a unsteady flow metering-orifice, and described each metering orifice is pressed the descending or ascending arrangement of passage section.
Between described valve body and spool, be provided with an elastic positioning device, this elastic positioning device spins up stepping location spool so that flowing hole is selected each metering orifice group of contraposition at spool.
Described elastic positioning device comprises sliding pin and a spring; One trepanning is set on described valve body, and spring is inserted in trepanning, and sliding needle guard enters the trepanning top pressure spring, and the spinning up of described spool is provided with some and sliding pin and pushes up mutually the positioning hole of location, and cunning pin one end heads into the spool positioning hole; The spool initial position, when sliding pin slipped into positioning hole, flowing hole and the dislocation of metering orifice group were dammed; When sliding stitching advanced to slip into other positioning hole, flowing hole and the contraposition of metering orifice group were through-flow.
Described valve body by a valve seat and one and the valve gap of valve seat socket form, described trepanning is arranged on the valve gap top; Between valve gap and valve seat, form the valve pocket of described installation Flow valve, described inlet channel and water outlet are arranged on valve seat; Described spool inserts valve pocket and is connected with the follower disk of Flow valve, and the arresting disc sealing is fixed on the valve pocket bottom, and spool and valve bonnet seal are rotatably assorted.
Described spool is connected and composed by a rotating shaft, a spiral cover and a screw; Described positioning hole is arranged on the spiral cover bottom; Rotating shaft is inserted valve pocket and is connected with the follower disk of Flow valve, and spiral cover is enclosed within the rotating shaft outer end, and spiral cover is fixedly connected with rotating shaft by a screw.
Between described valve body and spool, be provided with an elastic positioning device with the sliding pin in location, described spool is provided with one and pushes up mutually the positioning hole of location with sliding pin in relevant position; When spool was closed, sliding pin slipped into positioning hole, and flowing hole and the dislocation of metering orifice group are dammed; When spool was opened, sliding pin skidded off positioning hole, and flowing hole and the contraposition of metering orifice group are through-flow.
The aperture of described constant current metering-orifice is preferably in 0.3mm to 2.0mm scope.
After adopting technique scheme, the follower disk of Flow valve changes the position of the water of inlet channel through the metering orifice group with valve core rotation, each metering orifice group communicates with water outlet respectively, flowing hole switches between each metering orifice group, through-flow to the selectivity of a plurality of water outlets to realize, by the location of the adjusting between spool and valve body, make flowing hole in each metering orifice, select the through-flow cooperation varied in size, realize the Flow-rate adjustment of water outlet is controlled.
The beneficial effects of the utility model are: make the flowing hole on follower disk select the different metering orifice group on arresting disc by valve core rotation, inlet channel is coordinated with wherein a water outlet is through-flow, and rotate between the constant current metering-orifice that makes the difference size of flowing hole in each metering orifice group and unsteady flow metering-orifice and select conducting by follower disk, the flow control of realization to water outlet, owing to being provided with the constant current metering-orifice of controlling the small flow water outlet when the high-pressure water inlet, make the utility model at high pressure, during the low pressure water inlet, the effective control of realization to the flow of water outlet, thereby adapt to larger pressure of supply water scope.
The accompanying drawing explanation
Fig. 1 is embodiment one structure sectional view one of the present utility model.
Fig. 2 is embodiment one structure sectional view two of the present utility model.
Fig. 3 is the structural representation of embodiment's one arresting disc of the present utility model.
Fig. 4 is the structural representation of embodiment's one follower disk of the present utility model.
Fig. 5 is the structural representation of embodiment's two quiet valve blocks of the present utility model.
In figure: 10. valve body; 11. valve seat; 111. valve pocket; 112. water outlet; 113. inlet channel; 12. valve gap; 121. trepanning; 20. spool; 21. rotating shaft; 22. spiral cover; 221. positioning hole; 23. screw; 30. Flow valve; 31. arresting disc; 311. unsteady flow metering-orifice; 312. the first constant current metering-orifice; 313. the second constant current metering-orifice; 32. follower disk; 321. flowing hole; 40. seal rubber pad; 50. elastic positioning device; 51. spring; 52. sliding pin.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Implemented for one (two metering orifice groups are set on arresting disc, and each metering orifice group comprises a constant current metering-orifice and a unsteady flow metering-orifice not of uniform size).
The adjustable switching valve of a kind of flow as depicted in figs. 1 and 2, mainly consist of valve body 10, spool 20, Flow valve 30, seal rubber pad 40 and elastic positioning device 50, valve body 10 of the present utility model consists of a valve seat 11 and valve gap 12 sockets, between valve gap 12 and valve seat 11, form the valve pocket 111 that Flow valve 30 is installed, on valve seat 11, be provided with the inlet channel 113 and a plurality of water outlet that with valve pocket 111, communicate, two water outlets 112 are set in the present embodiment, and Flow valve 30 is arranged on the break-make that valve pocket 111 is controlled current between inlet channel 113 and two water outlets 112, spool 20 is connected and composed by a rotating shaft 21, a spiral cover 22 and a screw 23, and spiral cover 22 is enclosed within rotating shaft 21 outer ends, and spiral cover 22 is fixedly connected with rotating shaft 21 by screw 23, and spool 20 coordinates with valve gap 12 sealed rotational, Flow valve 30 comprises the first valve block and the second valve block be rotatably assorted, the first valve block is a follower disk 32 with spool 20 rotations, the second valve block is one to be fixed on the arresting disc 31 in valve pocket 111, follower disk 32 pastes to touch with arresting disc 31 and coordinates, and rotating shaft 21 is inserted valve pocket 111 and is connected with the follower disk 32 of Flow valve 30, as shown in Figure 2 to 4, the through-flow flowing hole 321 of switching inlet channel 113 and arbitrary water outlet 112 is set on follower disk 32, arresting disc 31 bottoms and valve pocket 111 bottoms are by seal rubber pad 40 sealings, on arresting disc 31, corresponding each water outlet 112 positions respectively are provided with and select through-flow to adjust two metering orifice groups of water channel 112 flows for flowing hole 321, each metering orifice group is by the unsteady flow metering-orifice 311 varied in size, the first constant current metering-orifice 312 forms, at least comprise that wherein one controls the constant current metering- orifice 312 or 313 of small flow water outlet when high-pressure water inlet, in the present embodiment, also comprise that one can regulate the unsteady flow metering-orifice 311 of controlling large flow water outlet, the passage section of unsteady flow metering-orifice 311 to the first constant current metering-orifices 312 is large, and the passage section of unsteady flow metering-orifice 311 and the first constant current metering-orifice 312 is all little than flowing hole 321, preferably, the constant current metering-orifice, namely the aperture of the first constant current metering-orifice 312 is in 0.3mm to 2.0mm scope, two metering orifice groups are symmetrical arranged, it is descending that the unsteady flow metering-orifice 311 of each metering orifice group and the first constant current metering-orifice 312 are pressed passage section, the unsteady flow metering-orifice 311 of another metering orifice group and the first constant current metering-orifice 312 are pressed the ascending arrangement of passage section, the corresponding water outlet 112 of each metering orifice group.
As shown in Figure 1, elastic positioning device 50 is arranged between the spiral cover 22 of the valve gap 12 of valve body 10 and spool 20, elastic positioning device 50 comprises sliding pin 52 and a spring 51, valve gap 12 tops arrange a trepanning 121, spring 51 is inserted in trepanning 121, sliding pin 52 is inserted in trepanning 121 top pressure springs 51, spool 20 spins up, the bottom of spiral cover 22 is provided with one and pushes up mutually the positioning hole 221 of location with sliding pin 52, sliding pin 52 1 ends head into the positioning hole 221 on spiral cover 22, spool 20 is at initial position, when sliding pin 52 slips into positioning hole 221, flowing hole 321 and unsteady flow metering-orifice 311, the first constant current metering-orifice 312 dislocation dam (not shown in FIG.), as shown in Figure 1, rotational valve core 20, while making sliding pin 52 steppings slip into other positioning hole 221, as shown in Figure 2 to 4, flowing hole 321 is through-flow with 311 contrapositions of unsteady flow metering-orifice, it is the follower disk 32 of spool 20 stepping rotation flow valves 30, by flowing hole 321, inlet channel 113 is passed through to the water of valve pocket 111 through flowing hole 321, 311 contrapositions of unsteady flow metering-orifice are through-flow discharges from a water outlet 112 wherein, if need to regulate the flow of this water outlet 112, it is rotational valve core 20, flowing hole 321 turn to arresting disc 31 on the first constant current metering-orifice 312 contrapositions through-flow, to compare unsteady flow metering-orifice 311 little due to the passage section of the first constant current metering-orifice 312, so when inlet channel 113 high-pressure water inlet, the flow of water outlet 112 obviously reduces, the Flow-rate adjustment of realization to this water outlet 112, if in the time of need to being switched to another water outlet 112 to the water of inlet channel 113, by spool 20, rotate follower disks 32, flowing hole 321 is switched to and with another metering orifice group position, carries out Flow-rate adjustment and get final product, aforementioned Flow valve corresponding metering orifice of each positioning hole not necessarily when step-by-step adjustment can be also the part passage section that covers simultaneously constant current metering-orifice and unsteady flow metering-orifice.
Except above-mentioned employing step-by-step adjustment flow, can also adopt the step-less adjustment mode, for example, between valve body 10 and spool 20, be provided with an elastic positioning device with the sliding pin 52 in location, spool 20 is provided with one and pushes up mutually the positioning hole 221 of location with sliding pin 52 in relevant position; When spool 20 was closed, sliding pin 52 slipped into positioning hole 221, and flowing hole 321 dams with the dislocation of metering orifice group; When spool 20 was opened, sliding pin 52 skidded off positioning hole 221, and flowing hole 321 is through-flow with the contraposition of metering orifice group.
Implemented for two (two metering orifice groups are set on arresting disc, and each metering orifice group comprises two constant current metering-orifices and a unsteady flow metering-orifice).
As shown in Figure 5, the present embodiment and embodiment's one difference is, on the arresting disc 31 that the present embodiment Flow valve 30 adopts, two metering orifice groups are set, each metering orifice group is comprised of three unsteady flow metering-orifices not of uniform size 311, the first constant current metering-orifice 312 and the second constant current metering-orifice 313, preferably, the second constant current metering-orifice 313 flow areas are greater than the first constant current metering-orifice 312 flow areas and are less than unsteady flow metering-orifice 311 flow areas; Other structure of the present embodiment, working principle and concrete enforcement are moved with embodiment one.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, those skilled in the art, in the situation that do not break away from spirit and scope of the present utility model, can also make various conversion or variation.Therefore, all technological schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.

Claims (10)

1. switching valve that flow is adjustable, comprise that one has valve body, a spool that inserts the valve body valve pocket and be rotatably assorted with valve body of an inlet channel and a plurality of water outlets, it is characterized in that: a disc type Flow valve is set in valve pocket, and this Flow valve comprises the first valve block and the second valve block be rotatably assorted; The through-flow flowing hole of switching inlet channel and arbitrary water outlet is set on the first valve block, it is through-flow to adjust the metering orifice group of water channel flow that on the second valve block, corresponding each water outlet position respectively arranges a confession flowing hole selection, and described metering orifice group comprises that at least one controls the constant current metering-orifice of small flow water outlet when high-pressure water inlet.
2. the adjustable switching valve of a kind of flow as claimed in claim 1, it is characterized in that: described the first valve block is a follower disk with valve core rotation, and described the second valve block is one to be fixed on the arresting disc in valve pocket, and follower disk pastes tactile the cooperation with arresting disc.
3. the adjustable switching valve of a kind of flow as claimed in claim 2 is characterized in that: described metering orifice group also comprises that one can regulate the unsteady flow metering-orifice of controlling large flow water outlet, and the passage section of described constant current metering-orifice or unsteady flow metering-orifice is less than the passage section of flowing hole.
4. the adjustable switching valve of a kind of flow as claimed in claim 3, it is characterized in that: described metering orifice group comprises two constant current metering-orifices and a unsteady flow metering-orifice, described each metering orifice is pressed the descending or ascending arrangement of passage section.
5. the adjustable switching valve of a kind of flow as claimed in claim 2, it is characterized in that: between described valve body and spool, be provided with an elastic positioning device, this elastic positioning device spins up stepping location spool so that flowing hole is selected each metering orifice group of contraposition at spool.
6. the adjustable switching valve of a kind of flow as claimed in claim 5 is characterized in that: described elastic positioning device comprises sliding pin and a spring; One trepanning is set on described valve body, and spring is inserted in trepanning, and sliding needle guard enters the trepanning top pressure spring, and the spinning up of described spool is provided with some and sliding pin and pushes up mutually the positioning hole of location, and cunning pin one end heads into the spool positioning hole; The spool initial position, when sliding pin slipped into positioning hole, flowing hole and the dislocation of metering orifice group were dammed; When sliding stitching advanced to slip into other positioning hole, flowing hole and the contraposition of metering orifice group were through-flow.
7. the adjustable switching valve of a kind of flow as claimed in claim 6 is characterized in that: described valve body by a valve seat and one and the valve gap of valve seat socket form, described trepanning is arranged on the valve gap top; Between valve gap and valve seat, form the valve pocket of described installation Flow valve, described inlet channel and water outlet are arranged on valve seat; Described spool inserts valve pocket and is connected with the follower disk of Flow valve, and the arresting disc sealing is fixed on the valve pocket bottom, and spool and valve bonnet seal are rotatably assorted.
8. the adjustable switching valve of a kind of flow as claimed in claim 6, it is characterized in that: described spool is connected and composed by a rotating shaft, a spiral cover and a screw; Described positioning hole is arranged on the spiral cover bottom; Rotating shaft is inserted valve pocket and is connected with the follower disk of Flow valve, and spiral cover is enclosed within the rotating shaft outer end, and spiral cover is fixedly connected with rotating shaft by a screw.
9. the adjustable switching valve of a kind of flow as claimed in claim 2 is characterized in that: between described valve body and spool, be provided with an elastic positioning device with the sliding pin in location, described spool is provided with one and pushes up mutually the positioning hole of location with the cunning pin in relevant position; When spool was closed, sliding pin slipped into positioning hole, and flowing hole and the dislocation of metering orifice group are dammed; When spool was opened, sliding pin skidded off positioning hole, and flowing hole and the contraposition of metering orifice group are through-flow.
10. as claimed in claim 1 or 2 or 3 or 4 the adjustable switching valve of a kind of flow, it is characterized in that: the aperture of described constant current metering-orifice is in 0.3mm to 2.0mm scope.
CN2013203492102U 2013-06-19 2013-06-19 Changeover valve with flow adjustable Expired - Lifetime CN203309159U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013203492102U CN203309159U (en) 2013-06-19 2013-06-19 Changeover valve with flow adjustable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013203492102U CN203309159U (en) 2013-06-19 2013-06-19 Changeover valve with flow adjustable

Publications (1)

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CN203309159U true CN203309159U (en) 2013-11-27

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105284554A (en) * 2015-10-26 2016-02-03 大禹节水(天津)有限公司 Double-flow-rate flow stabilizer
CN105972239A (en) * 2016-06-12 2016-09-28 佛山市云米电器科技有限公司 Flow regulating valve
WO2018010528A1 (en) * 2016-07-12 2018-01-18 杭州三花研究院有限公司 Flow control apparatus
CN109826990A (en) * 2017-11-23 2019-05-31 中国石油化工股份有限公司 A kind of flow controller
CN112539294A (en) * 2021-01-26 2021-03-23 罗邦琴 Gas flow control valve
CN112728154A (en) * 2020-12-25 2021-04-30 珠海格力电器股份有限公司 Softening valve and softening system of water softening equipment
CN113819255A (en) * 2020-06-19 2021-12-21 沛乐迪(厦门)卫浴有限公司 flow regulator
CN115234734A (en) * 2022-07-18 2022-10-25 天津市伟星新型建材有限公司 An integral sub-catchment with flow balance preset function

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105284554A (en) * 2015-10-26 2016-02-03 大禹节水(天津)有限公司 Double-flow-rate flow stabilizer
CN105972239A (en) * 2016-06-12 2016-09-28 佛山市云米电器科技有限公司 Flow regulating valve
CN105972239B (en) * 2016-06-12 2018-10-16 佛山市云米电器科技有限公司 Flow control valve
WO2018010528A1 (en) * 2016-07-12 2018-01-18 杭州三花研究院有限公司 Flow control apparatus
CN107606236A (en) * 2016-07-12 2018-01-19 杭州三花研究院有限公司 Volume control device
US10982780B2 (en) 2016-07-12 2021-04-20 Hangzhou Sanhua Research Institute Co., Ltd. Flow control apparatus
CN109826990B (en) * 2017-11-23 2020-12-15 中国石油化工股份有限公司 Throttling device
CN109826990A (en) * 2017-11-23 2019-05-31 中国石油化工股份有限公司 A kind of flow controller
CN113819255A (en) * 2020-06-19 2021-12-21 沛乐迪(厦门)卫浴有限公司 flow regulator
CN112728154A (en) * 2020-12-25 2021-04-30 珠海格力电器股份有限公司 Softening valve and softening system of water softening equipment
CN112728154B (en) * 2020-12-25 2025-05-13 珠海格力电器股份有限公司 Softening valve of water softening equipment and softening system of water softening equipment
CN112539294A (en) * 2021-01-26 2021-03-23 罗邦琴 Gas flow control valve
CN112539294B (en) * 2021-01-26 2024-01-23 罗邦琴 Gas flow control valve
CN115234734A (en) * 2022-07-18 2022-10-25 天津市伟星新型建材有限公司 An integral sub-catchment with flow balance preset function
CN115234734B (en) * 2022-07-18 2025-04-08 天津市伟星新型建材有限公司 Integral water separator-collector with flow balance preset function

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Granted publication date: 20131127