Double-head water purifier

Abstract

The utility model discloses a double-head water purifier, and relates to the technical field of water purifiers. The water purifier comprises a shell, a filter element and a double-head control valve, the filter element is arranged in the shell to divide the interior of the shell into two spaces including a first space and a second space, and a backwashing drain outlet is formed in the outer side of the shell; the double-head control valve is arranged at one end of the shell, a water inlet and a water outlet are formed in the upper end of the double-head control valve, and a backwashing outlet and a filtering outlet are formed in the lower end of the double-head control valve; a circular static valve plate and a circular movable valve element are arranged in the double-end control valve. A first channel, a second channel, a third channel and a fourth channel are sequentially distributed on the static valve plate in the circumferential direction. Two fan-shaped flow guide channels are arranged on the front face of the movable valve element and the peripheral side, tightly attached to the movable valve element, of the static valve plate, and the communication relation between the channels on the static valve plate can be changed by rotating the movable valve element. By the adoption of the technical scheme, switching is fast, and backwashing operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to water purifier technical field, concretely relates to a double -end water purifier. BACKGROUND

[0002] With the improvement of people's living standards, people's demand for water quality is higher and higher, so water purifier has been widely used in our production and life. The filter core of the water purifier is blocked after a certain period of use due to the accumulation of impurities in the filter core, which affects the flow of water and reduces the filtering effect of the water purifier. Directly replacing the filter core of the water purifier not only has a complex operation process, but also has a high cost of replacing the filter core.

[0003] At present, some water purifiers are provided with backwashing function. By changing the direction of water flow in the water purifier, the water flows in the opposite direction through the filter core to wash the impurities in the filter screen down, so as to realize the cleaning of the filter core and ensure the filtering speed and filtering effect of the water purifier. Reducing the operation difficulty of backwashing function, realizing the quick switching of backwashing and filtering mode, can effectively improve the use experience of water purifier. SUMMARY

[0004] The utility model aims at the defects and deficiencies of prior art, provides a double -end water purifier, has the advantages that the quick switching, backwashing operation is convenient.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme: a double -end water purifier, including: shell, filter core and double -end control valve;

[0006] The filter core is arranged in the shell to separate the inside of the shell into two spaces, including: the first space inside the filter core, the second space between the filter core and the shell, the outside of the shell is provided with: the backwashing blowdown port communicated with the first space;

[0007] The double -end control valve is arranged at one end of the shell, and the upper end is provided with water inlet and water outlet, and the lower end is provided with: backwashing outlet connected with the first space, filtering outlet communicated with the second space;

[0008] The double -end control valve is arranged in the shell to separate the inside of the shell into two spaces, including: the first space inside the filter core, the second space between the filter core and the shell, the outside of the shell is provided with: the backwashing blowdown port communicated with the first space;

[0009] The peripheral side of the moving valve core is provided with two fan-shaped flow guide channels, and rotating the moving valve core can selectively make the first channel only communicate with the fourth channel and the second channel only communicate with the third channel, the first channel only communicate with the second channel and the second channel not communicate with other channels, or the first channel not communicate with other channels.

[0010] The utility model further sets up, still be provided with display device for indicating the display device of moving valve core state on the double -end control valve.

[0011] The utility model further sets up, be provided with positioning assembly between control knob and double -end control valve, to make control knob position in the set position, to realize the positioning of moving valve core.

[0012] The utility model further sets up, the back of moving valve core is provided with end cover, control knob sets up in the outside of end cover, rotation axis passes in end cover, to connect moving valve core with control knob.

[0013] The utility model further sets up, the outside of end cover is provided with state display board, control knob is provided with display window, when rotating control knob, display window can rotate relative to state display board, to show the state corresponding to moving valve core.

[0014] The utility model further sets up, the peripheral side of end cover is provided with radial spring hole, positioning spring is arranged in spring hole, positioning piece is still provided with in spring hole, is pressed to the peripheral side of end cover by positioning spring, and the inner peripheral side of control knob is provided with the positioning groove corresponding to positioning piece.

[0015] The utility model further sets up, the peripheral side of rotation axis is provided with the limiting post that protrudes to end cover side, be provided with the limiting slot that cooperation with limiting post on end cover, limiting post inserts in limiting slot and can rotate in limiting slot.

[0016] The utility model further sets up, the inner diameter of shell and the lower part outer diameter of double -end control valve cooperate, to realize the connection of double -end control valve and shell.

[0017] The utility model further sets up, still be provided with locking device between double -end control valve and shell, to lock double -end control valve on shell.

[0018] The utility model further sets up, locking device includes: first locking slot setting in the peripheral side of double -end control valve, second locking slot setting in the peripheral side of shell and annular compression ring with first locking slot and second locking slot cooperation.

[0019] The utility model discloses the beneficial effect that after adopting above-mentioned technical scheme is:

[0020] 1. In the utility model, the shell is hollow cylinder, and the filter core is arranged in the inside of the shell, so as to divide the inside of the shell into two spaces, including: the first space in the filter core, the second space between the filter core and the shell, on the double -end control valve, be provided with water inlet, water outlet, filter outlet and backflushing outlet, and the water inlet and outlet are all controlled through the double -end control valve, and when installing and connecting the water purifier, it is more convenient.

[0021] 2. In the double -end control valve, the rotating shaft is connected to the center of the back surface of the moving valve core, and the other end of the rotating shaft is connected with the control knob arranged on the outer side of the control valve, so that the moving valve core can be rotated by operating the control knob, so that the flow guide channel can selectively change the conduction relationship between the channels on the static valve piece, change the direction of water flow in the water purifier, and quickly realize the switching of the working mode of the water purifier. DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0023] Figure 1 It is the structural schematic diagram of the utility model;

[0024] Figure 2 It is the structural explosion schematic diagram of the utility model;

[0025] Figure 3 It is the structural schematic diagram of the shell and filter core of the utility model;

[0026] Figure 4 It is the structural schematic diagram of the double -end control valve of the utility model;

[0027] Figure 5 It is the structural schematic diagram of the double -end control valve of the utility model;

[0028] Figure 6 It is the structural explosion schematic diagram of the double -end control valve of the utility model;

[0029] Figure 7 It is the structural schematic diagram of the moving valve core of the utility model;

[0030] Figure 8 It is the structural schematic diagram of the rotating shaft and end cover of the utility model;

[0031] Figure 9 is the structural explosion schematic view of the end cover of the utility model;

[0032] Figure 10 is the structural explosion schematic view of the control knob of the utility model.

[0033] Mark explanation: 1, shell; 2, filter core; 3, double-head control valve; 21, first space; 11, second space; 22, backwashing sewage outlet; 10, water inlet; 20, water outlet; 30, filtration outlet; 40, backwashing outlet; 31, static valve piece; 32, dynamic valve core; 321, flow guide channel; 33, rotating shaft; 331, limiting column; 34, control knob; 35, end cover; 351, state display board; 341, display window; 352, spring hole; 353, positioning spring; 354, positioning piece; 355, limiting groove; 342, positioning groove; 4, first locking groove; 5, second locking groove; 6, annular compression ring. DETAILED DESCRIPTION

[0034] The utility model will be further explained in detail in connection with the drawings.

[0035] The specific embodiment is only the explanation of the utility model, and it is not the limitation of the utility model, and the person skilled in the art can make the modification without the creative contribution according to the need after reading the present specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

[0036] The embodiment relates to a double-head water purifier, as shown in the figure, which comprises a shell 1, a filter core 2 and a double-head control valve 3. Figures 1-10

[0037] The shell 1 is hollow cylindrical, the filter core 2 is arranged inside the shell 1, so that the inside of the shell 1 is divided into two spaces, including the first space 21 inside the filter core 2 and the second space 11 between the filter core 2 and the shell 1, and a backwashing sewage outlet 22 is arranged on the outside of the shell 1, and the backwashing sewage outlet 22 is communicated with the first space 21.

[0038] When the water purifier is in the filtration mode, water can enter the second space 11 from the first space 21 through the filter core 2 to realize the filtration of water, and the impurities and dust in the water are filtered on the filter core 2, so that the cleanliness of water is improved. When the water purifier is in the backwashing mode, water will enter the first space 21 from the second space 11 through the filter hole, and the water flow reversely washes the filter core 2 to wash the impurities and dust accumulated on the filter core 2 into the first space 21, and then the impurities and sewage after washing are discharged from the backwashing sewage outlet 22, so that the filter core 2 is cleaned.

[0039] ​The double-head control valve 3 is arranged at one end of the shell 1, and is used for switching the working mode of the water purifier, including: a filtering mode, a backwashing mode and a closing mode. The upper end of the double-head control valve 3 is provided with a water inlet 10 and a water outlet 20, and the lower end of the double-head control valve 3 is provided with a backwashing outlet 40 and a filtering outlet 30. The backwashing outlet 40 is communicated with the first space 21 inside the shell 1, and the filtering outlet 30 is communicated with the second space 11 inside the shell 1.

[0040] The double-head control valve 3 is internally provided with a valve cavity, and the valve cavity is provided with a static valve plate 31 and a dynamic valve core 32. The static valve plate 31 and the dynamic valve core 32 are both circular. The static valve plate 31 is circumferentially provided with: a first channel communicated with the water inlet 10, a second channel communicated with the backwashing outlet 40, a third channel communicated with the water outlet 20, and a fourth channel communicated with the filtering outlet 30, so as to realize the communication between each port of the double-head control valve 3 and the valve cavity.

[0041] The dynamic valve core 32 is arranged at one side of the static valve plate 31. The front surface of the dynamic valve core 32 is tightly attached to the static valve plate 31, and two fan-shaped flow guide channels 321 are arranged on the front surface of the dynamic valve core 32. By rotating the dynamic valve core 32, the relative position between the flow guide channels 321 and the static valve plate 31 can be changed, so as to selectively change the conduction relationship between each channel on the static valve plate 31. The flow guide channels 321 are arranged so that: the first channel is only conducted with the fourth channel, and the second channel is only conducted with the third channel, so as to realize the filtering mode of the double-head water purifier; the first channel is only conducted with the fourth channel, and the second channel is not conducted with other channels, so as to realize the backwashing mode of the double-head water purifier; the first channel is not conducted with other channels, so that water cannot enter the water purifier, and the closing mode of the water purifier is realized.

[0042] In the filtering mode, the water of the water inlet 10 enters the first space 21 inside the shell 1 from the filtering outlet 30 through the double-head control valve 3, then enters the second space 11 through the filter core 2, and then flows out from the water outlet 20 through the double-head control valve 3, so as to realize the purification of water. In the backwashing mode, the water of the water inlet 10 enters the second space 11 inside the shell 1 from the backwashing outlet 40 through the double-head control valve 3, and then backwashes the filter core 2 into the second space 11. The impurities and sewage in the second space 11 cannot flow to other ports of the double-head control valve 3 through the filtering outlet 30, but can only be discharged out of the water purifier through the backwashing sewage outlet 22, so as to ensure the effectiveness of backwashing.

[0043] The back surface of the dynamic valve core 32 is connected with a rotating shaft 33 at the center, and the other end of the rotating shaft 33 is connected with a control knob 34 arranged outside the double-head control valve 3. Therefore, the dynamic valve core 32 can be rotated by operating the control knob 34, so that the flow guide channels 321 can selectively change the conduction relationship between each channel on the static valve plate 31, and the switching of the working mode of the water purifier can be quickly realized.

[0044] In the embodiment, the back of the moving valve core 32 is provided with an end cover 35, the end cover 35 seals the moving valve core 32 and the static valve plate 31 in the valve cavity, the control knob 34 is arranged outside the end cover 35, and the rotating shaft 33 is arranged through the end cover 35 to connect the moving valve core 32 and the control knob 34.

[0045] As a preferred scheme, the end cover 35 is provided with a state display plate 351, the control knob 34 is provided with a display window 341, and when the control knob 34 is rotated, the display window 341 can be rotated relative to the state display plate 351, so that the display window 341 can display the state of the state display plate 351 corresponding to the moving valve core 32, that is, the current working mode of the water purifier. Of course, in other embodiments, display devices for indicating the state of the moving valve core 32 can also be arranged at other positions of the double-head control valve 3, so that the user can clearly know the current working mode of the water purifier.

[0046] In the embodiment, the control knob 34 is a rotatable cover body sleeved outside the end cover 35, the end cover 35 is provided with a spring hole 352 arranged along the radial direction of the end cover 35, the spring hole 352 is internally provided with a positioning spring 353 and a positioning piece 354, the spring hole 352 is located inside the positioning piece 354 to press the positioning piece 354 towards the periphery of the end cover 35, and the control knob 34 is provided with a positioning groove 342 corresponding to the positioning piece 354. The positioning spring 353 can press the positioning piece 354 out of the spring hole 352 to make the positioning piece 354 cooperate with the positioning groove 342, so as to realize the positioning of the control knob 34 at a set position, that is, the positioning of the moving valve core 32 at a set rotation angle. The position of the positioning groove 342 is arranged to correspond to the working mode of the water purifier, so as to stabilize the working mode of the water purifier, and make the mode adjustment clear and accurate. Of course, in other embodiments, other structural positioning assemblies can also be arranged between the control knob 34 and the double-head control valve 3 to position the control knob 34 at a set position, so as to facilitate the adjustment of the working mode of the water purifier.

[0047] In the embodiment, the double-head control valve 3 is arranged at the upper end of the shell 1, and the double-head control valve 3 is installed with the shell 1 by matching the inner diameter of the shell 1 with the outer diameter of the lower part of the double-head control valve 3. As a preferred solution, a locking device is arranged between the double-head control valve 3 and the shell 1 to lock the connection of the double-head control valve 3 and the shell 1, so as to ensure the structural stability of the water purifier. The locking device comprises a first locking groove 4 arranged at the side of the double-head control valve 3, a second locking groove 5 arranged at the side of the shell 1, and an annular compression ring 6 which is embedded in the first locking groove 4 and the second locking groove 5 and is compressed in the circumferential direction, so as to realize the radial locking and circumferential stability of the double-head control valve 3 and the shell 1. Of course, in other embodiments, other locking devices can be used to realize the locking of the double-head control valve 3 and the shell 1.

[0048] In the embodiment, locking covers are arranged at the backwashing sewage outlet 22 and the water outlet, so as to ensure the smooth operation of the water purifier in different working modes, close the backwashing sewage outlet 22, and avoid the direct flow of water from the backwashing sewage outlet 22. In the backwashing mode, the backwashing sewage outlet 22 is opened, so that the sewage and impurities are discharged from the water purifier through the backwashing sewage outlet 22, and the effectiveness of backwashing is ensured.

[0049] The above is only used to illustrate the technical scheme of the utility model and not limit the utility model. Other modifications or equivalent replacements of the technical scheme of the utility model made by those skilled in the art should be covered in the claim range of the utility model.

Claims

1. A double head water purifier characterized in that, The utility model relates to a filter device, including: The shell (1), filter core (2) and double -end control valve (3); The filter core (2) is arranged in the shell (1), to divide the inside of the shell (1) into two spaces, including: the first space (21) inside the filter core (2), the second space (11) between the filter core (2) and the shell (1), the outside of the shell (1) is provided with: the backwash blowdown mouth (22) that communicates with the first space (21); The double -end control valve (3) is arranged in one end of the shell (1), and the upper end is provided with water inlet (10) and water outlet (20), and the lower end is provided with: the backwash outlet (40) that is connected with the first space (21) and communicates, the filter outlet (30) that communicates with the second space (11); The double -end control valve (3) is provided with circular static valve sheet (31) and dynamic valve core (32) inside, the static valve sheet (31) is sequentially distributed with: the first channel that communicates with the water inlet (10), the second channel that communicates with the backwash outlet (40), the third channel that communicates with the water outlet (20), the fourth channel that communicates with the filter outlet (30) on the circumference, the front of dynamic valve core (32) is tightly attached with static valve sheet (31), and the back center is connected with rotating shaft (33), and the other end of rotating shaft (33) is connected with the control knob (34) that is arranged outside double -end control valve (3); The circumferential side of dynamic valve core (32) is provided with two sectorial flow guide channels (321), and rotating dynamic valve core (32) can selectively make: the first channel only and the fourth channel are conducted and the second channel only and the third channel are conducted, the first channel only and the second channel are conducted and the second channel is not conducted with other channels, or first channel is not conducted with other channels.

2. The double-head water purifier according to claim 1, characterized in that, The double -end control valve (3) is still provided with display device for indicating the state of dynamic valve core (32).

3. The double-head water purifier according to claim 1, wherein The control knob (34) and the double -end control valve (3) are provided with positioning assembly, so that the control knob (34) is positioned in the set position, to realize the positioning of dynamic valve core (32).

4. The double-head water purifier according to claim 1, wherein The back of dynamic valve core (32) is provided as end cover (35), the control knob (34) is arranged outside the end cover (35), and the rotating shaft (33) is arranged in the end cover (35) to connect dynamic valve core (32) with control knob (34).

5. The double-head water purifier according to claim 4, wherein The outside of the end cover (35) is provided with state display board (351), and the control knob (34) is provided with display window (341), when rotating control knob (34), display window (341) can rotate relative to state display board (351), to show the corresponding state of dynamic valve core (32).

6. The double-head water purifier according to claim 4, wherein The end cover (35) is provided with a radial spring hole (352) on the peripheral side, the spring hole (352) is provided with a positioning spring (353), the spring hole (352) is further provided with a positioning piece (354) which is pressed to the peripheral side of the end cover (35) by the positioning spring (353), and the control knob (34) is provided with a positioning groove (342) corresponding to the positioning piece (354) on the inner peripheral side.

7. The double-head water purifier according to claim 4, wherein The rotating shaft (33) is provided with a limiting column (331) protruding to the side of the end cover (35), the end cover (35) is provided with a limiting groove (355) matched with the limiting column (331), and the limiting column (331) is inserted into and rotatable in the limiting groove (355).

8. The double-head water purifier according to claim 1, wherein The inner diameter of the shell (1) is matched with the outer diameter of the lower part of the double-head control valve (3) to realize the connection of the double-head control valve (3) and the shell (1).

9. The double-head water purifier according to claim 8, wherein The locking device is further arranged between the double-head control valve (3) and the shell (1) to lock the double-head control valve (3) on the shell (1).

10. The double-head water purifier according to claim 9, wherein The locking device comprises a first locking groove (4) arranged on the peripheral side of the double-head control valve (3), a second locking groove (5) arranged on the peripheral side of the shell (1), and an annular compression ring (6) matched with the first locking groove (4) and the second locking groove (5).

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