CN219848523U - Valve way structure of pre-filter - Google Patents
Valve way structure of pre-filter Download PDFInfo
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- CN219848523U CN219848523U CN202321082556.0U CN202321082556U CN219848523U CN 219848523 U CN219848523 U CN 219848523U CN 202321082556 U CN202321082556 U CN 202321082556U CN 219848523 U CN219848523 U CN 219848523U
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- valve
- filter element
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- main body
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- 238000011045 prefiltration Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 106
- 239000010865 sewage Substances 0.000 claims abstract description 34
- 239000008213 purified water Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 14
- 239000011324 bead Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 abstract description 13
- 238000001914 filtration Methods 0.000 abstract description 8
- 239000008235 industrial water Substances 0.000 description 3
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 241000243686 Eisenia fetida Species 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The valve path structure of the pre-filter comprises a cover valve main body, wherein a raw water inlet, a purified water outlet and a sewage outlet are formed in the cover valve main body, a filter element is arranged at the bottom of the cover valve main body, a filter bottle body connected with the cover valve main body is sleeved outside the filter element, and an outer cavity of the filter element is formed between the filter element and the filter bottle body; the valve body is internally provided with a plane valve, the plane valve comprises a lower valve plate and an upper valve plate, a valve rotating shaft is further arranged above the upper valve plate, and the valve rotating shaft can drive the upper valve plate to horizontally rotate, so that the plane valve is switched between different states. The utility model can switch the front filter among five states of a filtering state, a closing state, a bypass state, a back flushing state and a direct discharge state by rotating the valve plate on the plane valve, and reduces operation difficulty, saves time and has the advantages of simple structure and convenient use when the filter element needs to be replaced, the rear-section pipeline of the filter is maintained, the filter element is quickly cleaned, and whether the municipal pipeline is subjected to water break or not is checked.
Description
Technical Field
The utility model relates to the field of water treatment for filtering domestic water and purifying industrial water, in particular to a valve path structure of a pre-filter.
Background
The pre-filter is a first primary filtering device for the whole house water and the industrial water treatment device, and can filter the sediment, rust, worm eggs, red worms and other large particulate matters in tap water. The method can prevent a large amount of precipitation impurities generated in urban and district water supply networks from damaging human bodies or industrial water equipment, and plays a positive role in pre-protecting concealed pipelines, water joints and the like. However, the pre-filter in the market at present has no multi-state switching linkage valve path structure, so that the function of the pre-filter is single.
The Chinese patent office discloses in 2013 1 month 2 days, a back flushing type filter with a patent number of 201220319710.7, which comprises a shell, a valve core sample water inlet, a valve core back flushing water inlet, a shell, a sample water inlet, a sewage draining channel, a sample water outlet channel, a back flushing port and a sample water outlet; the valve core is in a rotatable circular shaft shape, a valve core sample water inlet and a valve core back flushing water inlet which are arranged on the circular shaft valve core are mutually vertical, a filter core is arranged in the shell, the valve core sample water inlet and the valve core back flushing water inlet are both connected with the inlet position of the filter core, the sewage drainage channel and the sample water outlet channel are connected with the outlet position of the filter core, and the rotatable valve core is used for switching the valve core sample water inlet and the valve core back flushing water inlet which are mutually vertical. The valve core of the filter can only be switched between two water inlet channels, and multi-state linkage switching cannot be realized.
Disclosure of Invention
The present utility model aims to overcome the above-mentioned drawbacks and disadvantages of the prior art and to provide a valve path structure of a prefilter capable of switching between multiple states, which allows the prefilter to have more functions.
The technical scheme adopted by the utility model for realizing the purposes is as follows: the valve path structure of the pre-filter comprises a cover valve main body, wherein a raw water inlet, a purified water outlet and a sewage outlet are formed in the cover valve main body, a filter element is arranged at the bottom of the cover valve main body, a filter bottle body connected with the cover valve main body is sleeved outside the filter element, and an outer cavity of the filter element is formed between the filter element and the filter bottle body;
the valve body is internally provided with a plane valve, the plane valve comprises a lower valve plate and an upper valve plate, a valve rotating shaft is arranged above the upper valve plate, and the valve rotating shaft can drive the upper valve plate to horizontally rotate, so that the plane valve is switched to different states;
when the plane valve is in the first state, the raw water inlet on the cover valve main body is communicated with the outer cavity of the filter element, the inner cavity of the filter element is communicated with the purified water outlet, and the sewage outlet is closed; when the plane valve is in the second state, the raw water inlet and the outer cavity of the filter element are closed, and the purified water outlet and the inner cavity of the filter element are communicated with the sewage outlet through the plane valve; when the plane valve is in the third state, the raw water inlet is directly communicated with the purified water outlet, and the outer cavity of the filter element and the inner cavity of the filter element are communicated with the sewage outlet through the plane valve; when the plane valve is in the fourth state, the raw water inlet is communicated with the inner cavity of the filter element, the outer cavity of the filter element is communicated with the sewage outlet, and the purified water outlet is closed; when the plane valve is in the fifth state, the raw water inlet is communicated with the sewage outlet, and the outer cavity, the inner cavity and the purified water outlet of the filter element are all closed.
The cover valve body is internally provided with a raw water tank communicated with the raw water inlet, and the raw water tank is annular.
Five sectors are arranged at the bottom of the upper valve block and the top of the lower valve block, a water inlet notch is arranged in a first sector of the upper valve block, a lower convex surface is arranged in a second sector of the upper valve block, and three triple intercommunication grooves are arranged in the other three sectors of the upper valve block; the first sector of the lower valve plate is connected with the cover valve main body, the bottom is provided with an outer side water outlet communicated with the outer cavity of the filter element, the second sector of the lower valve plate is connected with the cover valve main body, the bottom side is provided with a sewage hole communicated with the sewage outlet, the third sector of the lower valve plate is connected with the cover valve main body, the bottom side is provided with an inner side outlet communicated with the inner cavity of the filter element, the fourth sector of the lower valve plate is connected with the cover valve main body, the lower side is provided with a water purifying hole communicated with the water purifying outlet, and the fifth sector of the lower valve plate is connected with the sealing surface of the cover valve main body.
The valve sealing gasket is arranged at the joint of the bottom surface of the lower valve plate and the valve body of the cover valve.
The upper end face of the upper valve plate is provided with a plurality of tooth grooves, the bottom of the valve rotating shaft is provided with a meshing disc, meshing teeth are arranged on the meshing disc, and after the meshing teeth are embedded into the tooth grooves, the upper valve plate is linked with the valve rotating shaft.
The valve cover plate is arranged above the valve cover main body, the valve rotating shaft is inserted into the central hole of the valve cover plate from bottom to top, the meshing disc is positioned below the valve cover plate, the bottom of the valve cover plate is provided with a positioning spring and a positioning bead, the upper surface of the meshing disc is provided with a plurality of positioning holes, and the positioning bead can lock the plane valve in the current state when being embedded into the positioning holes.
The valve cover is characterized in that an outer sealing ring is arranged at the joint of the valve cover main body and the valve cover plate, and an inner sealing ring is arranged between the central hole of the valve cover plate and the valve rotating shaft.
The valve cover plate is fixedly provided with a hanging plate, the rear side of the hanging plate is bent upwards to form a hanging surface, and hanging holes are formed in the hanging surface.
The top of the cover valve main body is provided with a dust-proof hood.
The top of the valve rotating shaft is provided with a handle, and the connecting end of the handle passes through the dust-proof hood and then is connected with the top of the valve rotating shaft.
The utility model can switch the front filter among five states of a filtering state, a closing state, a bypass state, a back flushing state and a direct discharge state by rotating the valve plate on the plane valve, and reduces the operation difficulty, saves the time and has the advantages of simple structure and convenient use when the filter element needs to be replaced, the rear-section pipeline of the filter is maintained, the filter element is quickly cleaned, and the operation of checking whether the municipal pipeline has water break or not is performed.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an exploded view of the structure of the present utility model.
Fig. 3 is a schematic structural view of the valve body and the lower valve plate of the present utility model.
Fig. 4 is a schematic structural view of the upper valve plate of the present utility model.
Detailed Description
As shown in fig. 1 and 2, the present utility model is a valve path structure of a pre-filter, which comprises a cover valve body 40, wherein a raw water inlet 41, a purified water outlet 42 and a sewage outlet 43 are formed on the cover valve body 40. The filter element 50 is arranged at the bottom of the cover valve main body 40, the filter bottle body 51 connected with the cover valve main body 40 is sleeved outside the filter element 50, and an outer cavity of the filter element 50 is formed between the filter element 50 and the filter bottle body 51. The filter element 50 can be a PP precise filter element. The valve body 40 is internally provided with a plane valve 80, the plane valve 80 comprises a lower valve plate 82 and an upper valve plate 81, a valve rotating shaft 70 is further arranged above the upper valve plate 81, and the valve rotating shaft 70 can drive the upper valve plate 81 to horizontally rotate, so that the plane valve 80 is switched between different states. The upper end face of the upper valve plate 81 is provided with a plurality of tooth grooves 814, the bottom of the valve rotating shaft 70 is provided with a meshing disc 71, the meshing disc 71 is provided with meshing teeth 74, and after the meshing teeth 74 are embedded into the tooth grooves 814, the upper valve plate 81 is linked with the valve rotating shaft 70. The valve cover plate 60 is arranged above the valve cover main body 40, the valve rotating shaft 70 is inserted into the central hole of the valve cover plate 60 from bottom to top, the engagement disc 71 is positioned below the valve cover plate 60, the positioning spring 72 and the positioning beads 73 are arranged at the bottom of the valve cover plate 60, a plurality of positioning holes are formed in the upper surface of the engagement disc 71, and the planar valve 80 can be locked in the current state when the positioning beads 73 are embedded into the positioning holes. The joint of the valve cover main body 40 and the valve cover plate 60 is provided with an outer sealing ring 61, and an inner sealing ring 62 is arranged between the central hole of the valve cover plate 60 and the valve rotating shaft 70. The hanging plate 10 is fixedly arranged on the valve cover plate 60, the rear side of the hanging plate 10 is bent upwards to form a hanging surface, hanging holes are formed in the hanging surface, and the hanging plate 10 can facilitate the installation of the filter. The top of the cover valve body 40 is provided with a dust cap 30 to prevent dust from entering the cover valve body 40. The top of the valve rotating shaft 70 is provided with a handle 20, and the connecting end of the handle 20 passes through the dust-proof hood 30 and then is connected with the top of the valve rotating shaft 70.
The plane valve 80 has five states, so the handle 20 is correspondingly provided with five gears, namely a filtering gear, a closing gear, a bypass gear, a back flushing gear and a straight-line gear, and the handle 20 is rotated to any gear, so that the filter is correspondingly in a corresponding state of the five states of filtering, closing, bypass, back flushing and straight-line.
As shown in fig. 3 and 4, a raw water tank 44 communicating with the raw water inlet 41 is provided in the cover valve body 40, and the raw water tank 44 has a ring shape. Five sectors are arranged at the bottom of the upper valve plate 81 and at the top of the lower valve plate 82, a water inlet notch 811 is arranged in a first sector of the upper valve plate 81, a lower convex surface 812 is arranged in a second sector of the upper valve plate 81, and a triple intercommunication groove 813 is arranged in the other three sectors of the upper valve plate 81. Since the raw water tank 44 is annular, the water inlet notch 811 is always communicated with the raw water tank 44 regardless of the rotation of the upper valve plate 81. The first sector of the lower valve plate 82 is connected with the cover valve main body 40, an outer side water outlet hole 821 communicated with the outer cavity of the filter element 50 is formed in the bottom, the second sector of the lower valve plate 82 is connected with the cover valve main body 40, a sewage hole 822 communicated with the sewage outlet 43 is formed in the bottom side, the third sector of the lower valve plate 82 is connected with the cover valve main body 40, an inner side outlet hole 823 communicated with the inner cavity of the filter element 50 is formed in the bottom side, the fourth sector of the lower valve plate 82 is connected with the cover valve main body 40, a water purifying hole 824 communicated with the water purifying outlet 42 is formed in the lower side, and the fifth sector of the lower valve plate 82 is connected with a sealing surface 825 of the cover valve main body 40. The bottom of the lower valve plate 82 is provided with a valve sealing gasket 90, so as to ensure the tightness between the lower valve plate 82 and the valve body 40.
When the handle 20 is rotated to a filtering gear, the plane valve 80 is in a first state, the raw water inlet 41 on the cover valve main body 40 is communicated with the raw water tank 44, the water inlet notch 811 on the upper valve plate 81 is aligned with the outer side water outlet 821 of the lower valve plate 82, the outer side water outlet 821 is communicated with the outer cavity of the filter element 50, the inner cavity of the filter element 50 is communicated with the inner side water outlet 823 on the lower valve plate 82, at the moment, the triple communicating groove 813 on the upper valve plate 81 is aligned with the inner side water outlet 823, the water purifying hole 824 and the sealing surface 825 on the lower valve plate 82 to form communication, the water purifying hole 824 is communicated with the water purifying outlet 42, and the sewage hole 822 on the lower valve plate 82 is communicated with the sewage outlet 43; the sewage hole 822 on the lower valve plate 82 is aligned with the lower convex surface 812 on the upper valve plate 81 to form a seal.
When the handle 20 is rotated to the closing gear, the plane valve 80 is in the second state, the raw water inlet 41 on the cover valve main body 40 is communicated with the raw water tank 44, and the water inlet notch 811 on the upper valve plate 81 is aligned with the sealing surface 825 on the lower valve plate 82 to form waterway sealing; at this time, the triple communicating groove 813 on the upper valve plate 81 is aligned with the water purifying hole 824, the inner side water outlet 823 and the sewage hole 822 on the lower valve plate 82 to form communicating, and the water purifying outlet 42 is communicated with the inner cavity of the filter element 50 and the sewage outlet 43 through the plane valve 80; the outer drain hole 821 on the lower valve plate 82 is aligned with the lower convex surface 812 on the upper valve plate 81 to form a seal.
When the handle 20 is rotated to the bypass gear, the plane valve 80 is in a third state, the raw water inlet 41 on the cover valve main body 40 is communicated with the raw water tank 44, the water inlet notch 811 on the upper valve plate 81 is aligned with the water purifying hole 824 on the lower valve plate 82, and the water purifying hole 824 is communicated with the water purifying outlet 42 to form a bypass; at this time, the triple communicating groove 813 on the upper valve plate 81 is aligned with the inner water outlet 823, the sewage hole 822 and the outer water outlet 821 on the lower valve plate 82 to form communicating; the sealing surface 825 on the lower valve plate 82 aligns to form a seal.
When the handle 20 is rotated to the back flushing gear, the plane valve 80 is in a fourth state, the raw water inlet 41 on the cover valve main body 40 is communicated with the raw water tank 44, and the water inlet notch 811 on the upper valve plate 81 is aligned with the inner water outlet 823 on the lower valve plate 82; the inner water outlet 823 is communicated with the inner cavity of the filter element 50, and the outer cavity of the filter element 50 is communicated with the outer water outlet 821; at this time, the triple communicating groove 813 on the upper valve plate 81 is aligned with the sewage hole 822, the outer drain hole 821 and the sealing surface 825 on the lower valve plate 82 to form communication; the sewage hole 822 is communicated with the sewage outlet 43 to finish back flushing. The water purifying hole 824 on the lower valve plate 82 is aligned with the lower convex surface 812 on the upper valve plate 81 to form a seal.
When the handle 20 is rotated to a direct-discharge gear, the plane valve 80 is in a fifth state, the raw water inlet 41 on the cover valve main body 40 is communicated with the raw water tank 44, the water inlet notch 811 on the upper valve plate 81 is aligned with the sewage hole 822 on the lower valve plate 82, and the sewage hole 822 is communicated with the sewage outlet 43, so that direct discharge is completed; the others are all off.
The utility model can switch the pre-filter among five states of a filtering state, a closing state, a bypass state, a back flushing state and a direct discharge state by rotating the upper valve plate 81 of the plane valve 80, and when the filter element 50 needs to be replaced, a pipeline at the rear section of the filter is maintained, the filter element 50 is quickly cleaned, and the operation difficulty is reduced, the time is saved and the utility model has the advantages of simple structure and convenient use when the operation of checking whether the tap water inlet pipeline is broken or not is performed.
Claims (10)
1. The valve path structure of the pre-filter comprises a cover valve main body, wherein a raw water inlet, a purified water outlet and a sewage outlet are formed in the cover valve main body, a filter element is arranged at the bottom of the cover valve main body, a filter bottle body connected with the cover valve main body is sleeved outside the filter element, and an outer cavity of the filter element is formed between the filter element and the filter bottle body;
the valve is characterized in that a plane valve is arranged in the valve cover main body, the plane valve comprises a lower valve plate and an upper valve plate, a valve rotating shaft is arranged above the upper valve plate, and the valve rotating shaft can drive the upper valve plate to horizontally rotate, so that the plane valve is switched to different states;
when the plane valve is in the first state, the raw water inlet on the cover valve main body is communicated with the outer cavity of the filter element, the inner cavity of the filter element is communicated with the purified water outlet, and the sewage outlet is closed; when the plane valve is in the second state, the raw water inlet and the outer cavity of the filter element are closed, and the purified water outlet and the inner cavity of the filter element are communicated with the sewage outlet through the plane valve; when the plane valve is in the third state, the raw water inlet is directly communicated with the purified water outlet, and the outer cavity of the filter element and the inner cavity of the filter element are communicated with the sewage outlet through the plane valve; when the plane valve is in the fourth state, the raw water inlet is communicated with the inner cavity of the filter element, the outer cavity of the filter element is communicated with the sewage outlet, and the purified water outlet is closed; when the plane valve is in the fifth state, the raw water inlet is communicated with the sewage outlet, and the outer cavity, the inner cavity and the purified water outlet of the filter element are all closed.
2. The valve path structure of the pre-filter as set forth in claim 1, wherein a raw water tank communicated with the raw water inlet is provided in the cap valve body, and the raw water tank is ring-shaped.
3. The valve path structure of the pre-filter according to claim 2, wherein five sectors are arranged at the bottom of the upper valve plate and at the top of the lower valve plate, a water inlet notch is arranged in a first sector of the upper valve plate, a lower convex surface is arranged in a second sector of the upper valve plate, and three triple communicating grooves are arranged in the other three sectors of the upper valve plate; the first sector of the lower valve plate is connected with the cover valve main body, the bottom is provided with an outer side water outlet communicated with the outer cavity of the filter element, the second sector of the lower valve plate is connected with the cover valve main body, the bottom side is provided with a sewage hole communicated with the sewage outlet, the third sector of the lower valve plate is connected with the cover valve main body, the bottom side is provided with an inner side outlet communicated with the inner cavity of the filter element, the fourth sector of the lower valve plate is connected with the cover valve main body, the lower side is provided with a water purifying hole communicated with the water purifying outlet, and the fifth sector of the lower valve plate is connected with the sealing surface of the cover valve main body.
4. A valve path structure of a prefilter according to claim 1, 2 or 3, wherein a valve gasket is provided at the bottom of said lower valve plate.
5. The valve path structure of the prefilter of claim 1, 2 or 3, wherein a plurality of tooth grooves are formed on the upper end surface of the upper valve plate, the bottom of the valve rotating shaft is provided with a meshing disc, meshing teeth are arranged on the meshing disc, and the upper valve plate is linked with the valve rotating shaft after the meshing teeth are embedded in the tooth grooves.
6. The valve path structure of the prefilter of claim 5, wherein a valve cover plate is provided above the valve body, the valve shaft is inserted into the central hole of the valve cover plate from bottom to top, the engagement disc is located below the valve cover plate, a positioning spring and a positioning bead are provided at the bottom of the valve cover plate, a plurality of positioning holes are provided on the upper surface of the engagement disc, and the positioning bead can lock the planar valve in the current state when being embedded into the positioning holes.
7. The prefilter valve path structure of claim 6, wherein an outer seal ring is provided at a junction of the valve cover main body and the valve cover plate, and an inner seal ring is provided between a center hole of the valve cover plate and the valve rotating shaft.
8. The valve path structure of the prefilter of claim 6, wherein said valve cover plate is fixedly provided with a hanging plate, a rear side of which is bent upward to form a hanging surface, and hanging holes are formed in the hanging surface.
9. A prefilter valve path structure as defined in claim 1, 2 or 3, wherein said cap valve body is provided with a dust cap on top thereof.
10. The prefilter valve path structure of claim 9, wherein a handle is provided at the top of the valve shaft, and a connection end of the handle is connected to the top of the valve shaft after passing through the dust cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321082556.0U CN219848523U (en) | 2023-05-08 | 2023-05-08 | Valve way structure of pre-filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321082556.0U CN219848523U (en) | 2023-05-08 | 2023-05-08 | Valve way structure of pre-filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219848523U true CN219848523U (en) | 2023-10-20 |
Family
ID=88339209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321082556.0U Active CN219848523U (en) | 2023-05-08 | 2023-05-08 | Valve way structure of pre-filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219848523U (en) |
-
2023
- 2023-05-08 CN CN202321082556.0U patent/CN219848523U/en active Active
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