CN204900932U - Strainer valve and water treatment facilities with wash with bypass function - Google Patents
Strainer valve and water treatment facilities with wash with bypass function Download PDFInfo
- Publication number
- CN204900932U CN204900932U CN201520593559.XU CN201520593559U CN204900932U CN 204900932 U CN204900932 U CN 204900932U CN 201520593559 U CN201520593559 U CN 201520593559U CN 204900932 U CN204900932 U CN 204900932U
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- water
- hole
- valve body
- blind hole
- valve seat
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Abstract
(B, ) the utility model discloses a strainer valve and water treatment facilities with wash with bypass function, main (b) (b) are that (b) (b) control case lower extreme interfacial separates the seal section face that is equipped with, radially intake blind hole, water conservancy diversion blind hole and central water conservancy diversion blind hole, and the transposition corresponds the section of the closing face, pending water hole, water purification hole, wash port, the upper and lower water distribution hole that are equipped with and closes or feed through on ground and the disk seat terminal surface. Before the work, the muddiness that forms for the impurity that prevents to pile up in the water supply pipe or yellow scale is intake and is led to the fact the jam to water treatment facilities's filter material, rotate (b) (b) control case earlier and make its water purification hole or wash port transposition intercommunication on the relative disk seat terminal surface in radial water hole of terminal surface down, with the muddiness intake direct from the valve body the water purification hole or the wash port is outside filters after discharging again, prevented the jam of filter material. When water treatment facilities need maintain the stop work because of the filter material breaks down, control the outside water supply of meeting an urgent need of discharging in direct water purification hole through the valve body of intaking, improved the production efficiency of water treatment. (B, )
Description
Technical field
the utility model relates to water processing establishment; Particularly relate to a kind of filter tap and the water treatment apparatus thereof with flushing and bypass function.
Background technique
for the filter tap of water treatment in prior art, the valve seat be mainly connected with by valve body core chamber and the control spool be connected with rotationally on the end face of described valve seat, and the pending water hole that valve body is connected with, pure water hole, weep hole, upper and lower water distributing pore form.Owing to being interval with the position in multiple water hole and the restriction of described water hole and valve body core chamber runner linkage structure by described valve seat end face, in work, not there is flushing and bypass function.Shortcomings: one is when the external water switch of filter tap is just opened, the impurity accumulated in water supply line is or/and because of the yellow scale produced of cutting off the water, turbid water matter enters water treatment apparatus tank body by the pending water hole of valve body can be mixed to form in company with water inlet, the filtrate that tank body is built-in with is resulted in blockage, significantly reduces the working life of described filtrate.Two be when described filtrate break down need Inspection and maintenance time, filter tap must be closed and control water treatment apparatus and stop externally supplying water, thus, reduce the manufacturing efficiency of water treatment.
Model utility content
for the deficiency that above-mentioned prior art exists, the purpose of this utility model is that providing a kind of has the filter tap of flushing and bypass function and adopt the water treatment apparatus of this valve, is intended to increase the working life of filtrate and improve the manufacturing efficiency of water treatment.
for achieving the above object, the technical solution of the utility model realizes like this, this filter tap with flushing and bypass function, comprise the valve seat that valve body core chamber is connected with and the control spool be connected with rotationally on the end face of described valve seat, and the pending water hole that valve body is connected with, pure water hole, weep hole, upper water distributing pore and lower water distributing pore; It controls the seal section face that spool lower end surface is interval with, radial water inlet blind hole, water conservancy diversion blind hole and center water conservancy diversion blind hole, and the closedown section face that transposition is provided with valve seat end face accordingly, pending water hole, pure water hole, weep hole, upper water distributing pore are closed with lower water distributing pore or are communicated with; Wherein, when carrying out bypass station, the radial direction water inlet blind hole transposition of described control spool is communicated with the pure water hole of valve seat, valve body accordingly; When carrying out drainage works position, the radial direction water inlet blind hole transposition of described control spool is communicated with the weep hole of valve seat, valve body accordingly; When carrying out closedown station, the radial direction water inlet blind hole transposition of described control spool is corresponding with the closedown section face on valve seat end face, by the isolating seal in described closedown section face, the water hole runner entered on valve seat end face is closed through the pending water hole of valve body; When carrying out filtration station, the radial direction water inlet blind hole transposition of described control spool is communicated with the upper water distributing pore of valve seat, valve body accordingly, and the center water conservancy diversion blind hole transposition of described control spool is communicated with pure water hole with the lower water distributing pore of valve seat, valve body simultaneously accordingly; When carrying out backwash station, the center water conservancy diversion blind hole transposition of described control spool is communicated with pending water hole with the lower water distributing pore of valve seat, valve body simultaneously accordingly, and the water conservancy diversion blind hole transposition of described control spool is communicated with weep hole with the upper water distributing pore of valve seat, valve body simultaneously accordingly; When just washing station, the radial direction water inlet blind hole transposition of described control spool is communicated with the upper water distributing pore of valve seat, valve body accordingly, and the center water conservancy diversion blind hole transposition of described control spool is communicated with weep hole with the lower water distributing pore of valve seat, valve body simultaneously accordingly.
preferably, described radial direction water inlet blind hole is that fan-shaped extension to spool periphery is linked to be opening shape in the position controlling center, interval, spool lower end surface counterbore.
preferably, described water conservancy diversion blind hole is that fan-shaped extension to spool periphery is linked to be closed shape in the position controlling center, interval, spool lower end surface counterbore.
preferably, described center water conservancy diversion blind hole is the fan-shaped counterbore being communicated with closed shape at the avris controlling center, spool lower end surface counterbore.
adopt the above-mentioned water treatment apparatus with the filter tap of flushing and bypass function, it the upper and lower water distributing pore of described valve body is placed in tank inner chamber and is connected with upper and lower water-dispensing device accordingly; Filtrate is equipped with at described tank inner chamber.
preferably, what described filtrate was silica sand, active carbon and silica sand with active carbon mixing shape is wherein a kind of.
the utility model has the filter tap of flushing and bypass function by taking said structure, can realize bypass, draining, closedown, filtration, backwash successively and just wash work.Particularly before Water treatment filtration starts, for preventing the impurity accumulated in water supply line or/and the muddiness that yellow scale is formed is intake, the tank body being entered water treatment apparatus by the pending water hole of valve body is resulted in blockage to filtrate, first rotating control spool makes the pure water hole on the radial direction water inlet blind hole opposite valve seat end face of its lower end surface or weep hole transposition be communicated with, the water inlet of described muddiness is directly carried out filtration work again after the pure water hole of valve body or weep hole discharge, effectively prevent the blocking of filtrate and add its working life.
adopt the above-mentioned water treatment apparatus with the filter tap of flushing and bypass function, when tank body filtrate break down need maintenance to quit work time, rotate the pure water hole transposition connection controlling spool and the radial direction of its lower end surface is intake on blind hole opposite valve seat end face, make directly to be discharged from the pure water hole of valve body by the water inlet in the pending water hole of valve body to carry out Emergency water supply, achieve filter tap when filtrate is safeguarded still to work on water supply, significantly improve the manufacturing efficiency of water treatment.
Accompanying drawing explanation
fig. 1 is the sectional view of a kind of embodiment of the utility model filter tap.
fig. 2 be in the utility model Fig. 1 A-A to sectional view.
fig. 3 be in the utility model Fig. 1 B-B to sectional view.
fig. 4 be in the utility model Fig. 1 C-C to sectional view.
fig. 5 is that in the utility model Fig. 3, valve seat end face is provided with the view of closing section face and water hole.
fig. 6 is the view controlling spool in the utility model Fig. 2.
fig. 7 be in the utility model Fig. 6 D-D to sectional view.
fig. 8 be in the utility model Fig. 7 E-E to sectional view.
fig. 9 is the cross-sectional schematic of the utility model water treatment apparatus at bypass station.
figure 10 be in the utility model Fig. 9 F-F to controlling spool and the valve seat cross-sectional schematic at bypass station.
figure 11 is the cross-sectional schematic of the utility model water treatment apparatus at draining station.
figure 12 be in the utility model Figure 11 G-G to controlling spool and the valve seat cross-sectional schematic at draining station.
figure 13 is that the utility model water treatment apparatus is in the cross-sectional schematic of cutting out station.
figure 14 be in the utility model Figure 13 H-H to control spool and valve seat in the cross-sectional schematic of closing station.
figure 15 is that the utility model water treatment apparatus is in the cross-sectional schematic of filtering station.
figure 16 be in the utility model Figure 15 I-I to control spool and valve seat in the cross-sectional schematic of filtering station.
figure 17 is the cross-sectional schematic of the utility model water treatment apparatus at backwash station.
figure 18 be in the utility model Figure 17 J-J to controlling spool and the valve seat cross-sectional schematic at backwash station.
figure 19 is that the utility model water treatment apparatus is in the cross-sectional schematic of just washing station.
figure 20 be in the utility model Figure 19 K-K to control spool and valve seat in the cross-sectional schematic of just washing station.
Embodiment
below in conjunction with accompanying drawing, principle of the present utility model and feature are described in detail.Should illustrate: illustrated embodiment, only for explaining the utility model, does not form the concrete restriction to the utility model scope of patent protection.
shown in embodiment one, Fig. 1-Fig. 8.This filter tap with flushing and bypass function, comprise the valve seat that valve body core chamber is connected with and the control spool be connected with rotationally on the end face of described valve seat, and shown in pending water hole 5-1, pure water hole 2-1 that valve body is connected with, weep hole 6-1, upper water distributing pore 4-1 and lower water distributing pore 3-1(Fig. 1, Fig. 2).It is interval with in the lower end surface of described control spool shown in seal section face, radial water inlet blind hole 16, water conservancy diversion blind hole 15 and center water conservancy diversion blind hole 14(Fig. 6-Fig. 8).Wherein: described radial direction water inlet blind hole 16 is that fan-shaped extension to spool periphery is linked to be opening shape in the position controlling center, interval, spool lower end surface counterbore.Described water conservancy diversion blind hole 15 is that fan-shaped extension to spool periphery is linked to be closed shape in the position controlling center, interval, spool lower end surface counterbore.Described center water conservancy diversion blind hole 14 is the fan-shaped counterbores (shown in Fig. 8) being communicated with closed shape at the avris controlling center, spool lower end surface counterbore.
in work, according to different station, the seal section face that described control spool lower end surface is interval with, radial water inlet blind hole 16, water conservancy diversion blind hole 15 and center water conservancy diversion blind hole 14, the closedown section face 9 that transposition is provided with valve seat end face accordingly, pending water hole 5, pure water hole 2, weep hole 6, upper water distributing pore 4 and lower water distributing pore 3 are closed or are communicated with (shown in Fig. 8, Fig. 5).Wherein, the fan-shaped blind hole 17 on the bottom end face of valve body core chamber engages with valve seat lower end surface and seals do not work (shown in Fig. 3, Fig. 4).
when carrying out bypass station, rotating and controlling spool intake blind hole 16 transposition of the radial direction of its lower end surface is communicated with (in Fig. 8, Fig. 5, Figure 10 and Fig. 9, the direction of arrow is shown) with the pure water hole 2 of valve seat, valve body, 2-1 accordingly.
when carrying out drainage works position, rotating and controlling spool intake blind hole 16 transposition of the radial direction of its lower end surface is communicated with (in Fig. 8, Fig. 5, Figure 12 and Figure 11, the direction of arrow is shown) with the weep hole 6 of valve seat, valve body, 6-1 accordingly.
when carrying out closedown station, rotating control spool makes the transposition of the radial direction of its lower end surface water inlet blind hole 16 corresponding with the closedown section face 9 on valve seat end face, by the isolating seal in described closedown section face, close through the pending water hole 5-1 of valve body (in Fig. 8, Fig. 5, Figure 14 and Figure 13 shown in the direction of arrow) along the ring runner water hole runner entered on valve seat end face of valve body core chamber periphery.
when carrying out filtration station, rotate and control spool intake blind hole 16 transposition of the radial direction of its lower end surface is communicated with valve seat, the upper water distributing pore 4 of valve body, 4-1 accordingly, center water conservancy diversion blind hole 14 transposition of described control spool is communicated with pure water hole 2,2-1 (in Fig. 8, Fig. 5, Figure 16 and Figure 15, the direction of arrow is shown) with the lower water distributing pore 3 of valve seat, valve body, 3-1 simultaneously accordingly.
when carrying out backwash station, rotate and control spool center water conservancy diversion blind hole 14 transposition of its lower end surface is communicated with pending water hole 5,5-1 with the lower water distributing pore 3 of valve seat, valve body, 3-1 simultaneously accordingly, water conservancy diversion blind hole 15 transposition of described control spool is communicated with weep hole 6,6-1 (in Fig. 8, Fig. 5, Figure 18 and Figure 17, the direction of arrow is shown) with the upper water distributing pore 4 of valve seat, valve body, 4-1 simultaneously accordingly.
when just washing station, rotate and control spool intake blind hole 16 transposition of the radial direction of its lower end surface is communicated with valve seat, the upper water distributing pore 4 of valve body, 4-1 accordingly, center water conservancy diversion blind hole 14 transposition of described control spool is communicated with weep hole 6,6-1 (in Fig. 8, Fig. 5, Figure 20 and Figure 19, the direction of arrow is shown) with the lower water distributing pore 3 of valve seat, valve body, 3-1 simultaneously accordingly.
shown in embodiment two, Fig. 9-Figure 20.Adopt the water treatment apparatus with the filter tap of flushing and bypass function described in embodiment one, it is that the inner chamber upper and lower water distributing pore 4-1,3-1 of described valve body being placed in tank body upper end is also connected with upper and lower water-dispensing device 7,8 accordingly; Quartz sand filter media is equipped with at described tank inner chamber.According to different usage requirements, described filtrate can also adopt active carbon or silica sand and active carbon mixing shape.
for the tank body preventing the impurity accumulated in water supply line from entering water treatment apparatus together with water inlet by the pending water hole 5-1 of valve body results in blockage to filtrate.Before work starts, first rotate and control the spool radial direction of its lower end surface is intake bypass station (in Fig. 8, Fig. 5, Figure 10 and Fig. 9, the direction of arrow is shown) that blind hole 16 transposition is communicated with the pure water hole 2 of valve seat, valve body, 2-1 accordingly.Open water supply line switch, by the water inlet containing impurity that the pending water hole 5-1 of valve body enters, ring runner through valve body core chamber periphery enters pure water hole 2 valve seat end face from the opening of radial direction water inlet blind hole 16, directly discharge (Figure 10, Fig. 9 shown in the direction of arrow) from the pure water hole 2-1 of valve body, realize supplying water to the undemanding water supply place of water quality requirement, prevent the blocking that filtrate is caused.
for the yellow scale preventing the impurity in water supply line and produce because cutting off the water forms turbid water matter together with water inlet, the tank body entering water treatment apparatus by the pending water hole 5-1 of valve body results in blockage to filtrate.Before work starts, first rotate and control the spool radial direction of its lower end surface is intake draining station (Fig. 8, Fig. 5, Figure 12 and Figure 11 direction of arrow is shown) that blind hole 16 transposition is communicated with the weep hole 6 of valve seat, valve body, 6-1 accordingly.Open water supply line, the muddiness containing impurity and yellow scale entered by valve body pending water hole 5-1 is intake, ring runner through valve body core chamber periphery enters weep hole 6 valve seat end face from the opening of radial direction water inlet blind hole 16, discharge (Figure 12, Figure 11 shown in the direction of arrow) directly to the external world from the weep hole 6-1 of described valve body, effectively prevent the blocking of filtrate.
when the filtrate of water treatment apparatus break down need maintenance to quit work time, supplying water for guaranteeing externally to continue, rotating and controlling the spool radial direction of its lower end surface is intake bypass station (in Fig. 8, Fig. 5, Figure 10, Fig. 9, the direction of arrow is shown) that blind hole 16 transposition is communicated with the pure water hole 2 of valve seat, valve body, 2-1 accordingly.Now by the water inlet of the pending water hole 5-1 of valve body, to enter the pure water hole 2 valve seat end face through the ring runner of valve body core chamber periphery from the opening of radial direction water inlet blind hole 16, discharge from the pure water hole 2-1 of valve body and carry out Emergency water supply.Achieve filter tap when filtrate is safeguarded still to work on water supply.
when Water treatment filtration need of work stops (in Fig. 8, Fig. 5, Figure 14, Figure 13 shown in the direction of arrow), rotate the closedown station controlling spool and make the transposition of the radial direction of its lower end surface water inlet blind hole 16 corresponding with the closedown section face 9 on valve seat end face.Now by the isolating seal in described closedown section face, the water hole runner entered on valve seat end face along the ring runner of valve body core chamber periphery through the pending water hole 5-1 of valve body is closed.
when rotation controls spool to filtering station (in Fig. 8, Fig. 5, Figure 16, Figure 15 shown in the direction of arrow), now extraneous water inlet is from the pending water hole 5-1 of valve body, ring runner through valve body core chamber periphery enters upper water distributing pore 4 valve seat end face from the opening of radial direction water inlet blind hole 16, through filtrate carries out purification filtering in the tank body being entered water treatment apparatus by the upper water distributing pore 4-1 of valve body lower end from upper water distributor 7.Filtered water after purification passes through the lower water distributing pore 3-1 of lower water-dispensing device 8 and valve body lower end, lower water distributing pore 3 on valve seat end face enters and controls center water conservancy diversion blind hole 14 inner chamber of spool lower end surface and turn to and backflow, and outwards exports water supply by the pure water hole 2 on valve seat end face from the pure water hole 2-1 of valve body.
when rotation controls spool to backwash station (in Fig. 8, Fig. 5, Figure 18, Figure 17 shown in the direction of arrow), now center water conservancy diversion blind hole 14 transposition of described control spool is communicated with pending water hole 5,5-1 with the lower water distributing pore 3 of valve seat, valve body, 3-1 simultaneously accordingly, is communicated with accordingly the while of water conservancy diversion blind hole 15 transposition of described control spool with the upper water distributing pore 4 of valve seat, valve body, 4-1 with weep hole 6,6-1.From the water inlet of valve body pending water hole 5-1 by the pending water hole 5 valve seat end face bottom valve body core chamber, enter and control center water conservancy diversion blind hole 14 inner chamber of spool lower end surface and turn to and backflow, enter tank base from the lower water distributing pore 3 valve seat end face through the lower water distributing pore 3-1 of valve body lower end and lower water-dispensing device 8 and backwash is carried out to filtrate.The turbidity produced by backwash is through the upper water distributing pore 4-1 of upper water distributor 7 and valve body lower end, enter from the upper water distributing pore 4 valve seat end face and control water conservancy diversion blind hole 15 inner chamber of spool lower end surface and turn to and backflow, discharged by the weep hole 6-1 of the weep hole 6 on valve seat end face from valve body.
when rotation controls spool to just washing station (in Fig. 8, Fig. 5, Figure 20 and Figure 19 shown in the direction of arrow).Now radial direction water inlet blind hole 16 transposition of described control spool lower end surface is communicated with valve seat, the upper water distributing pore 4 of valve body, 4-1 accordingly, is communicated with accordingly the while of center water conservancy diversion blind hole 14 transposition of described control spool with the lower water distributing pore 3 of valve seat, valve body, 3-1 with weep hole 6,6-1.By the water inlet of the pending water hole 5-1 of valve body, ring runner through valve body core chamber periphery enters upper water distributing pore 4 valve seat end face from the opening of radial direction water inlet blind hole 16, and the tank body entering water treatment apparatus from upper water distributor 7 through the upper water distributing pore 4-1 of valve body lower end is just washed filtrate.By the turbidity of just the washing generation lower water distributing pore 3-1 from lower water-dispensing device 8 and valve body lower end, lower water distributing pore 3 on valve seat end face enters and controls center water conservancy diversion blind hole 14 inner chamber of spool lower end surface and turn to and backflow, and is discharged by the weep hole 6-1 of the weep hole 6 on valve seat end face from valve body.
the above is only preferred implementation of the present utility model.Be noted that for those of ordinary skill in the art; with substantially identical means; realize substantially identical function; reach substantially identical effect; without the need to other technical characteristics just obviously associated through creative work; can also replace the modification and/or improvement of making several basic same way, these changes should be considered as equivalent feature, within the protection domain all belonging to the utility model patent.
Claims (6)
1. one kind has the filter tap of flushing and bypass function, comprise the valve seat that valve body core chamber is connected with and the control spool be connected with rotationally on the end face of described valve seat, and the pending water hole that valve body is connected with, pure water hole, weep hole, upper water distributing pore and lower water distributing pore; It is characterized in that: the seal section face that control spool lower end surface is interval with, radial water inlet blind hole (16), water conservancy diversion blind hole (15) and center water conservancy diversion blind hole (14), the closedown section face (9) that transposition is provided with valve seat end face accordingly, pending water hole (5), pure water hole (2), weep hole (6), upper water distributing pore (4) are closed with lower water distributing pore (3) or are communicated with; Wherein, when carrying out bypass station, the radial direction of described control spool water inlet blind hole (16) transposition is communicated with the pure water hole of valve seat, valve body (2,2-1) accordingly; When carrying out drainage works position, the radial direction of described control spool water inlet blind hole (16) transposition is communicated with the weep hole of valve seat, valve body (6,6-1) accordingly; When carrying out closedown station, radial direction water inlet blind hole (16) transposition of described control spool is corresponding with the closedown section face (9) on valve seat end face, by the isolating seal in described closedown section face, the water hole runner that will enter through the pending water hole of valve body (5-1) on valve seat end face is closed; When carrying out filtration station, radial direction water inlet blind hole (16) transposition of described control spool is communicated with the upper water distributing pore of valve seat, valve body (4,4-1) accordingly, is communicated with accordingly the while of center water conservancy diversion blind hole (14) transposition of described control spool with the lower water distributing pore of valve seat, valve body (3,3-1) and pure water hole (2,2-1); When carrying out backwash station, center water conservancy diversion blind hole (14) transposition of described control spool is communicated with the lower water distributing pore of valve seat, valve body (3,3-1) and pending water hole (5,5-1) simultaneously accordingly, is communicated with accordingly the while of water conservancy diversion blind hole (15) transposition of described control spool with the upper water distributing pore of valve seat, valve body (4,4-1) and weep hole (6,6-1); When just washing station, radial direction water inlet blind hole (16) transposition of described control spool is communicated with the upper water distributing pore of valve seat, valve body (4,4-1) accordingly, is communicated with accordingly the while of center water conservancy diversion blind hole (14) transposition of described control spool with the lower water distributing pore of valve seat, valve body (3,3-1) and weep hole (6,6-1).
2. there is the filter tap of flushing and bypass function as claimed in claim 1, it is characterized in that: described radial direction water inlet blind hole (16) is that fan-shaped extension to spool periphery is linked to be opening shape in the position controlling center, interval, spool lower end surface counterbore.
3. there is the filter tap of flushing and bypass function as claimed in claim 1 or 2, it is characterized in that: described water conservancy diversion blind hole (15) is that fan-shaped extension to spool periphery is linked to be closed shape in the position controlling center, interval, spool lower end surface counterbore.
4. there is the filter tap of flushing and bypass function as claimed in claim 3, it is characterized in that: described center water conservancy diversion blind hole (14) is the fan-shaped counterbore being communicated with closed shape at the avris controlling center, spool lower end surface counterbore.
5. adopt the water treatment apparatus with the filter tap of flushing and bypass function according to any one of Claims 1-4, it is characterized in that: the upper and lower water distributing pore (4-1,3-1) of described valve body be placed in tank inner chamber and be connected with upper and lower water-dispensing device (7,8) accordingly; Filtrate is equipped with at described tank inner chamber.
6. water treatment apparatus as claimed in claim 5, is characterized in that: described filtrate is silica sand, active carbon and silica sand and the wherein one of active carbon mixing shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520593559.XU CN204900932U (en) | 2015-08-10 | 2015-08-10 | Strainer valve and water treatment facilities with wash with bypass function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520593559.XU CN204900932U (en) | 2015-08-10 | 2015-08-10 | Strainer valve and water treatment facilities with wash with bypass function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900932U true CN204900932U (en) | 2015-12-23 |
Family
ID=54923108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520593559.XU Expired - Fee Related CN204900932U (en) | 2015-08-10 | 2015-08-10 | Strainer valve and water treatment facilities with wash with bypass function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204900932U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065718A (en) * | 2015-08-10 | 2015-11-18 | 龙口诚峰智远科技有限公司 | Filter valve with washing and bypass functions and water treatment device of filter valve |
| CN108662199A (en) * | 2017-03-28 | 2018-10-16 | 毛高闻 | A kind of back washing filter system four-way valve |
| GB2576409A (en) * | 2018-06-26 | 2020-02-19 | Atlas Copco Airpower Nv | Filter device and method for switching on and/or switching off such filter device |
-
2015
- 2015-08-10 CN CN201520593559.XU patent/CN204900932U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065718A (en) * | 2015-08-10 | 2015-11-18 | 龙口诚峰智远科技有限公司 | Filter valve with washing and bypass functions and water treatment device of filter valve |
| CN108662199A (en) * | 2017-03-28 | 2018-10-16 | 毛高闻 | A kind of back washing filter system four-way valve |
| CN108662199B (en) * | 2017-03-28 | 2021-12-14 | 毛高闻 | Four-way valve for backflushing filter system |
| GB2576409A (en) * | 2018-06-26 | 2020-02-19 | Atlas Copco Airpower Nv | Filter device and method for switching on and/or switching off such filter device |
| GB2576409B (en) * | 2018-06-26 | 2021-02-10 | Atlas Copco Airpower Nv | Filter device and method for switching on and/or switching off such filter device |
| US11890570B2 (en) | 2018-06-26 | 2024-02-06 | Atlas Copco Airpower N.V. | Filter device and method for switching on and/or switching off such filter device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191016 Address after: No.143, dachengjia village, Beima Town, Longkou City, Yantai City, Shandong Province Patentee after: Chen Feng Address before: 265718, Shandong, Yantai province Longkou City Dongjiang Street Qi Village North Longkou Feng Chi far science and Technology Co., Ltd. Patentee before: LONGKOU CHENGFENG ZHIYUAN TECHNOLOGY CO., LTD. |
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| 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: 20151223 Termination date: 20200810 |