CN217842791U

CN217842791U - Five-way valve for filtering system

Info

Publication number: CN217842791U
Application number: CN202220096288.7U
Authority: CN
Inventors: 李德斌
Original assignee: Shaanxi Furui Swimming Pool Environmental Technology Co ltd
Current assignee: Shaanxi Furui Swimming Pool Environmental Technology Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-11-18
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses a five-way valve for a filtering system, which comprises a hollow cylindrical valve body, a cylindrical valve core which is rotatably arranged in the valve body and is in sealing fit with the inner wall of the valve body, a first valve way, a second valve way, a third valve way and a fourth valve way which are arranged on the periphery of the valve body cylinder and are arranged on the same circular section, and a fifth valve way which is arranged on the other circular section; the valve core is provided with a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole. The utility model can realize four states of filtering, forward cleaning, backward cleaning and closing the pipeline through one valve, thereby facilitating the switching of each channel on the pipeline; the utility model discloses a case is cylindrical, and has seted up seven through-holes on it, because special structure, greatly reduced its weight, it is easier when the five-way valve of casting heavy-calibre.

Description

Five-way valve for filtering system

Technical Field

The utility model relates to a valve pipeline technical field specifically is a five-way valve for filtration system.

Background

Along with the development of society, the demand of water is increasing day by day, the waste of water resource is also increasing gradually, especially industrial water and daily life swimming pool, fountain, etc., so the water after pollution is filtered and reused becomes necessary, the diatomite is usually used for filtering the raw water, so the whole filtering process not only comprises a pipeline for conveying the raw water and the water after filtering, but also comprises a pipeline for conveying a diatomite filter material; because of continuous filtration, the filter device is easy to block, which greatly reduces the filtration efficiency, and a pipeline is also arranged to discharge the cleaned water. In order to facilitate switching of pipelines, a five-way valve with a plurality of passages is usually arranged, a valve core of the existing five-way valve is a ball valve, the sealing performance of the valve core can be affected after long-time use, and the valve core is inconvenient to cast due to overlarge weight when large-diameter casting is carried out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a five-way valve for filtration system, the utility model discloses a valve core adopts the wear-resisting tetrafluoro sealing material of full coverage, has strengthened the leakproofness greatly, and through unique cylinder case structure, has reduced its casting weight.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a five-way valve for a filtering system comprises a hollow cylindrical valve body, a cylindrical valve core, a first valve passage, a second valve passage, a third valve passage, a fourth valve passage and a fifth valve passage, wherein the cylindrical valve core is rotatably arranged in the valve body and is in sealing fit with the inner wall of the valve body;

the valve core is characterized in that a first through hole, a second through hole which is communicated with the first through hole and forms a 45-degree central angle, a third through hole which forms a 45-degree central angle with the second through hole, a fourth through hole which is communicated with the third through hole and forms a 90-degree central angle, a fifth through hole which forms a 45-degree central angle with the fourth through hole, and a sixth through hole which is communicated with the fifth through hole and forms a 90-degree central angle are sequentially arranged on the same circular section of the valve core, and a seventh through hole which is communicated with the fifth valve channel, the first through hole and the second through hole is arranged at the bottom of the valve core.

Furthermore, a valve rod is arranged at one end, opposite to the end provided with the seventh through hole, of the valve core, and an electric device for automatically controlling the rotation direction of the valve rod is arranged on the valve rod.

Further, a valve cover for positioning the valve rod is arranged between the valve rod and the valve body.

Further, a sealing element is arranged between the valve core and the inner wall of the valve body.

Furthermore, the inner walls of the first valve channel, the second valve channel, the third valve channel, the fourth valve channel and the fifth valve channel are provided with protective steel sleeves for preventing the walls of the valve channels from directly contacting with flowing liquid.

Furthermore, jacking steel sleeves capable of realizing tight connection of pipelines are arranged on the inner sides of the ports of the first valve channel, the second valve channel, the third valve channel, the fourth valve channel and the fifth valve channel.

Furthermore, the valve core adopts a fully-covered wear-resistant PTFE sealing material.

Furthermore, the sixth through hole is communicated with the first valve passage, so that filtering can be realized; the first through hole is communicated with the fourth valve passage, so that reverse cleaning can be realized; the second channel is communicated with the second valve channel to realize smooth cleaning.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) The utility model can realize four states of filtering, forward cleaning, backward cleaning and closing the pipeline through one valve, thereby facilitating the switching of each channel on the pipeline; the utility model discloses a case is the cylinder, and has seted up seven through-holes on it, because special structure, greatly reduced its weight, it is easier when the five-way valve of casting heavy-calibre.

(2) The utility model discloses a case adopts the wear-resisting tetrafluoro sealing material of full coverage, has strengthened the leakproofness greatly, and sets up the sealing member between valve body inner wall and the case, has further promoted the utility model discloses a leakproofness.

Drawings

Fig. 1 is a sectional structure view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a side view of the present invention.

Figure 4 is the utility model discloses be in filtration state case circle cross-section cut-away view.

Fig. 5 is a cross-sectional view of the valve core in a reverse cleaning state according to the present invention.

Fig. 6 is a sectional view of the valve core with a circular cross section in a cleaning state.

Wherein, the names corresponding to the reference numbers are: 1-a first valve channel, 2-a second valve channel, 3-a third valve channel, 4-a fourth valve channel, 5-a fifth valve channel, 6-a rotating device, 7-a first through hole, 8-a second through hole, 9-a third through hole, 10-a fourth through hole, 11-a fifth through hole, 12-a sixth through hole, 13-a seventh through hole, 14-a valve rod, 15-a valve cover, 16-a sealing element, 17-a tightening steel sleeve, 18-a valve body, 19-a valve core and 20-a protecting steel sleeve.

Detailed Description

The present invention will be further described with reference to the following description and examples, which are not intended to limit the scope of the invention.

As shown in fig. 1 to 3, the present invention provides a five-way valve for a filtration system, which includes a cylindrical hollow valve body 18, a cylindrical valve core 19 rotatably disposed in the valve body 18 and hermetically engaged with an inner wall of the valve body 18, a first valve passage 1, a second valve passage 2, a third valve passage 3, a fourth valve passage 4 disposed on a same circular section around the valve body cylinder, and a fifth valve passage 5 disposed on another circular section;

a first through hole 7, a second through hole 8, a third through hole 9, a fourth through hole 10, a fifth through hole 11 and a sixth through hole 12 are sequentially formed in the same circular section of the valve core 19, and a seventh through hole 13 communicated with the fifth valve channel 5 is formed in the bottom of the valve core 19; the first through hole 7 is communicated with the second through hole 8, the third through hole 9 is communicated with the fourth through hole 10, the fifth through hole 11 is communicated with the sixth through hole 12, and the seventh through hole 13 is communicated with the first through hole 7 and the second through hole 8; wherein the central angle between the first through hole 7 and the second through hole 8 is 45 degrees, the central angle between the second through hole 8 and the third through hole 9 is 45 degrees, the central angle between the third through hole 9 and the fourth through hole 10 is 90 degrees, the central angle between the fourth through hole 10 and the fifth through hole 11 is 45 degrees, the central angle between the fifth through hole 11 and the sixth through hole 12 is 90 degrees, and the central angle between the sixth through hole 12 and the first through hole 7 is 45 degrees.

In order to enhance the sealing performance of the present invention, the valve core 19 is made of a wear-resistant PTFE sealing material which is fully covered, and a sealing member 16 is provided between the valve core 19 and the inner wall of the valve body 18.

One end of the valve core 19 is provided with a seventh through hole 13, the other end of the valve core is provided with a valve rod 14 for better realizing the rotation of the valve core, a gap between the valve rod 14 and the valve body 18 is filled by arranging a valve cover 15, and the valve cover 15 plays a certain positioning role on the valve rod 18 so as to ensure that the valve rod 18 is stably positioned at the central rotating shaft position of the valve body 18. The inner wall of each valve channel is provided with a protective steel sleeve 20 for protecting the direct contact between the wall of the valve channel and flowing liquid, the outer side of the protective steel sleeve 20 is provided with an annular groove, the inner side of each valve channel is provided with a bulge matched with the annular groove, and the protective steel sleeve 20 is hermetically connected with the valve channel through the annular groove and the bulge. Furthermore, in order to better connect the five-way valve with the pipeline, a jacking steel sleeve 17 is arranged on the inner side of the port of each valve channel.

In addition, an electric rotating device is further arranged on the valve rod 14, and pipeline transformation of the five-way valve can be achieved through a motor, so that manpower is saved, and efficiency is improved.

In the five-way valve for the filtering system provided by the embodiment, the first valve passage 1 is connected with a raw water pipeline for conveying water to be filtered, the second valve passage 2 is connected with a pipeline connected with a water inlet of a filter, the third valve passage 3 is connected with a pipeline for discharging sewage, the fourth valve passage 4 is connected with a pipeline connected with a water outlet of the filter, and the fifth valve passage 5 is connected with a pipeline for conveying purified water obtained after filtering. The utility model discloses can realize following four kinds of states:

(1) And (3) closing state: five channels of the five-way valve are all in close contact with the valve core wall of the valve core 19, and all accesses connected with the valve core 19 are in an off state at the moment.

(2) The state of realizing the filtering is as follows: as shown in fig. 4, the sixth through hole 12 of the valve core is communicated with the first valve passage 1 of the valve body, at this time, the fifth through hole 11 of the valve core is communicated with the second valve passage 2 of the valve body, and the second through hole 8 of the valve core is communicated with the fourth valve passage 4 of the valve body. In this state, raw water to be filtered flows into the five-way valve through the first valve passage 1 and the sixth through hole 12, flows through the fifth through hole 11 and the second valve passage 2 to a pipeline connected with a water inlet of the filter, purified water obtained after the raw water is filtered by the filter is discharged from a pipeline connected with a water outlet of the filter, the water outlet pipeline of the filter is connected with the fourth valve passage 4 of the five-way valve, and the purified water is sent to the seventh passage 13 through the second through hole 8 and flows out through the purified water pipeline connected with the fifth valve passage 5 of the valve body recently.

(3) State to effect backwashing: as shown in fig. 5, the fourth through hole 10 of the valve core is communicated with the second valve passage 2 of the valve body, at this time, the third through hole 9 of the valve core is communicated with the third valve passage 3 of the valve body, and the first through hole 7 of the valve core is communicated with the fourth valve passage 4 of the valve body. In this state, the clean water enters the five-way valve through the fifth valve passage 5 and the seventh through hole 13, and flows to the pipeline connected with the water outlet of the filter through the first through hole 7 and the fourth valve passage 4, the clean water cleans the filter through the reverse filtering process from top to bottom, the cleaned sewage is discharged through the pipeline connected with the water inlet of the filter, the water inlet pipeline of the filter is connected with the second valve passage 2 of the five-way valve, and the sewage is sent to the third passage 9 through the fourth through hole 10, and recently flows out through the sewage pipeline connected with the third valve passage 3 of the valve body.

(4) The state of realizing the smooth cleaning is as follows: as shown in fig. 6, the second through hole 8 of the valve core is communicated with the second valve passage 2 of the valve body, the sixth through hole 12 of the valve core is communicated with the third valve passage 3 of the valve body, and the fifth through hole 11 of the valve core is communicated with the fourth valve passage 4 of the valve body. In this state, the purified water enters the five-way valve through the fifth valve passage 5 and the seventh through hole 13, and then flows to the pipeline connected with the water inlet of the filter through the second through hole 8 and the second valve passage 2, the purified water cleans the filter through the filtering process from bottom to top, the cleaned sewage is discharged from the pipeline connected with the water outlet of the filter, the water outlet pipeline of the filter is connected with the fourth valve passage 4 of the five-way valve, and then the sewage is sent to the sixth passage 12 through the fifth through hole 11, and finally flows out through the sewage pipeline connected with the third valve passage 3 of the valve body.

The above four states of the five-way valve are set to four gears in the rotating device, and an indication arrow is set, and when the five-way valve is actually used, the gear pointed by the arrow represents the state of the five-way valve.

The utility model can realize four states of filtering, forward cleaning, backward cleaning and closing the pipeline through one valve, thereby facilitating the switching of each channel on the pipeline; the utility model discloses a case is cylindrical, and has seted up seven through-holes on it, because special structure, greatly reduced its weight, it is easier when the five-way valve of casting heavy-calibre.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims

1. The five-way valve for the filtering system is characterized by comprising a hollow cylindrical valve body (18), a cylindrical valve core (19) which is rotatably arranged in the valve body (18) and is in sealing fit with the inner wall of the valve body (18), a first valve passage (1), a second valve passage (2), a third valve passage (3) and a fourth valve passage (4) which are arranged on the same circular section around the cylinder of the valve body (18), and a fifth valve passage (5) which is arranged on the other circular section;

the valve core (19) is sequentially provided with a first through hole (7), a second through hole (8) which is communicated with the first through hole (7) and forms a 45-degree central angle, a third through hole (9) which forms a 45-degree central angle with the second through hole (8), a fourth through hole (10) which is communicated with the third through hole (9) and forms a 90-degree central angle, a fifth through hole (11) which forms a 45-degree central angle with the fourth through hole (10), a sixth through hole (12) which is communicated with the fifth through hole (11) and forms a 90-degree central angle, and a seventh through hole (13) which is communicated with the fifth valve channel (5), the first through hole (7) and the second through hole (8) is formed in the same circular section of the valve core (19).

2. The five-way valve for filtering system according to claim 1, wherein the valve core (19) is provided with a valve rod (14) opposite to the other end provided with the seventh through hole (13), and the valve rod (14) is provided with an electric device for automatically controlling the rotation direction of the valve rod.

3. A five-way valve for a filter system according to claim 2, wherein a valve cover (15) is provided between the valve stem (14) and the valve body (18) for positioning the valve stem (14).

4. A five way valve for a filtration system according to claim 3, wherein a seal (16) is provided between the valve spool (19) and the inner wall of the valve body (18).

5. A five-way valve for a filtration system according to claim 4, wherein the inner walls of the first (1), second (2), third (3), fourth (4) and fifth (5) valve channels are provided with a protective steel sleeve (20) for avoiding direct contact of the valve channel walls with flowing liquid.

6. The five-way valve for the filtering system is characterized in that jacking steel sleeves (17) capable of realizing tight connection of pipelines are arranged inside the ports of the first valve passage (1), the second valve passage (2), the third valve passage (3), the fourth valve passage (4) and the fifth valve passage (5).

7. The five-way valve for a filtration system according to claim 6, wherein the valve core (19) is a full-covering wear-resistant PTFE sealing material.

8. The five-way valve for a filtration system according to claim 7, wherein the sixth through hole (12) is in communication with the first valve passage (1) to enable filtration; the first through hole (7) is communicated with the fourth valve passage (4) to realize reverse cleaning; the second through hole (8) is communicated with the second valve channel (2) to realize smooth cleaning.