Digital display faucet water purifier

Abstract

The utility model discloses a digital display faucet water purifier which comprises a shell, a filter element assembly and a waterway switching assembly, the shell comprises an upper outer shell and a bottom shell, and a flow display assembly used for displaying flow is installed between the upper outer shell and the bottom shell; the flow display assembly comprises a water passing channel installed at one end of the filter element assembly, an impeller is arranged in the water passing channel, a magnet rotating synchronously with the impeller is installed on the impeller, and a sensor used for sensing the rotating speed of the magnet is arranged outside the water passing channel. The flow display assembly further comprises a PCB installed in the upper shell and a display screen electrically connected with the PCB, the sensor transmits signals to the PCB, and the PCB displays flow numbers on the display screen. The water purifier can effectively measure the flow of outlet water, and the working state of the water purifier and the total flow of water purified by the current filter element are displayed through the display screen.

Description

Technical Field

[0001] The utility model relates to a water purifier, in particular to a digital display faucet water purifier. Background Art

[0002] A water purifier is a drinking water device that deeply treats tap water. Home water purifiers began to be used in the 1950s, became popular in the 1970s, and have continued to this day. In particular, since the first discovery of disinfection byproducts in tap water in the United States in the 20th century, many American families have begun to install and use water purifiers as a family self-protection device.

[0003] Most of the existing water purifiers lack flow statistics function, so it is impossible to understand the usage status of the filter element according to the purified water flow, which makes it difficult to grasp the best time to replace the filter element, resulting in frequent replacement of the filter element too early or too late, which needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a digital display faucet water purifier to solve the above problems.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A digital display faucet water purifier comprises a housing, a filter element assembly and a waterway switching assembly, wherein the housing comprises an upper housing and a bottom housing, wherein the upper housing and the bottom housing cover the filter element assembly and the waterway switching assembly, and a flow display assembly for displaying flow is installed between the upper housing and the bottom housing;

[0007] Wherein, the flow display component includes a water passage installed at one end of the filter element assembly, an impeller is arranged in the water passage, a magnet that rotates synchronously with the impeller is installed on the impeller, and a sensor for sensing the rotation speed of the magnet is arranged outside the water passage. The flow display component also includes a PCB circuit board installed in the upper shell and a display screen electrically connected to the PCB circuit board, the sensor transmits a signal to the PCB circuit board, and the PCB circuit board displays the flow digitally on the display screen.

[0008] Preferably, the sensor is electrically connected to the PCB circuit board, the sensor transmits a signal to the PCB circuit board, and the PCB circuit board displays the flow digitally on the display screen.

[0009] Preferably, the filter element assembly includes a filter cartridge and a filter element disposed in the filter cartridge, the filter cartridge includes an upper filter cartridge and a lower filter cartridge, the upper filter cartridge is detachably mounted on the lower filter cartridge and forms a filter element cavity, and the filter element is mounted in the filter element cavity.

[0010] Preferably, a side wall of the lower filter cartridge is provided with a filter element water inlet connected to the lower filter cartridge, a rear side wall of the lower filter cartridge is provided with a filter element water outlet connected to the lower filter cartridge, one end of the water passage is connected to the filter element water inlet, and the other end of the water passage is connected to the water path switching assembly.

[0011] Preferably, a circle of first annular grooves is formed on the outer surface of the water passage, and a first sealing ring is installed in the first annular groove to achieve a sealed connection between the water passage and the water inlet of the filter element.

[0012] Preferably, a second annular groove is provided on the outer circumference of the lower filter cartridge, and a second sealing ring is installed in the second annular groove to achieve a sealed connection between the upper filter cartridge and the lower filter cartridge.

[0013] Preferably, a circle of third annular grooves is provided on the lower outer surface of the filter element, and a third sealing ring is installed in the third annular groove to achieve a sealed connection between the filter element and the lower filter cartridge.

[0014] Preferably, the water path switching assembly includes a fixed shell installed between the upper shell and the bottom shell, the fixed shell is provided with a diverter, a rotating rod, a first sealing press plate and a second sealing press plate, a raw water outlet hole, a first clean water outlet hole and a second clean water outlet hole are formed in the fixed shell, the rotating rod is rotatably arranged in the fixed shell, the first sealing press plate, the diverter and the second sealing press plate are arranged in parallel on the rotating rod and rotate with the rotating rod, during the rotation of the rotating rod, the first sealing press plate and the second sealing press plate can close any two hole positions among the raw water outlet hole, the first clean water outlet hole and the second clean water outlet hole, leaving only the other hole position exposed as the outlet hole.

[0015] Preferably, one end of the fixed shell is connected to the lower filter cartridge, and an annular switch is rotatably mounted on the fixed shell;

[0016] Preferably, a socket is formed on the inner wall of the annular switch, the rotating rod is inserted into the socket, and the rotating rod is connected to a linkage rod rotating in the fixed shell, and the first sealing pressing plate, the diverter and the second sealing pressing plate are arranged in parallel on the linkage rod.

[0017] Preferably, an adapter for connecting to a faucet and a group of arms for engaging the adapter are provided on the front inner side of the fixed shell, and a connection cover connected to the fixed shell is provided on the outer surface of the adapter;

[0018] The two rotating arms are arranged opposite to each other in a ring shape, and arc-shaped clamping surfaces are arranged on opposite sides of the two rotating arms.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The digital display faucet water purifier provided by the embodiment of the utility model can effectively measure the flow rate of water through the cooperation between the impeller, the magnet and the sensor, and can display the working status of the water purifier and the total flow rate of water purified by the current filter element through the display screen. According to the manufacturer's recommended value or its own usage experience, the filter element is replaced after the statistical flow rate reaches a certain value to ensure safe and healthy direct drinking water. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0023] Figure 1 A schematic diagram of the overall structure of a digital display faucet water purifier provided by an embodiment of the utility model;

[0024] Figure 2 A cross-sectional view of a digital display faucet water purifier provided by an embodiment of the utility model;

[0025] Figure 3 A partial exploded view of a digital display faucet water purifier provided by an embodiment of the utility model;

[0026] Figure 4 An exploded schematic diagram of a water channel switching assembly of a digital display faucet water purifier provided by an embodiment of the utility model;

[0027] Figure 5 A schematic structural diagram of a fixed shell of a digital display faucet water purifier provided in an embodiment of the utility model.

[0028] Illustration Description:

[0029] 10. Shell; 11. Upper shell; 12. Bottom shell

[0030] 20. filter element assembly; 21. filter cartridge; 210. upper filter cartridge; 211. lower filter cartridge; 212. filter element cavity; 213. filter element water inlet; 214. second annular groove; 215. second sealing ring; 22. filter element; 220. third annular groove; 221. third sealing ring;

[0031] 30. Waterway switching assembly; 31. Fixed shell; 31a. Raw water outlet; 31b. First clean water outlet; 31c. Second clean water outlet; 32. Diverter; 33. Rotating rod; 33a. Linkage rod; 34. First sealing pressing plate; 35. Second sealing pressing plate; 36. Ring switch; 37. Adapter; 38. Support arm; 39. Connecting cover

[0032] 40. flow display assembly; 41. water passage; 42. impeller; 43. magnet; 44. sensor; 45. PCB circuit board; 46. display screen; 47. first annular groove; 48. first sealing ring DETAILED DESCRIPTION

[0033] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the embodiments described below are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally located component at the same time.

[0035] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0036] In one embodiment of the present invention, Figure 1-Figure 5As shown, a digital display faucet water purifier is provided, including a shell 10, a filter element assembly 20 and a water channel switching assembly 30, the shell 10 includes an upper shell 11 and a bottom shell 12, the upper shell 11 and the bottom shell 12 cover the filter element assembly 20 and the water channel switching assembly 30, and a flow display assembly 40 for displaying flow is installed between the upper shell 11 and the bottom shell 12, the flow display assembly 40 includes a water passage 41 installed at one end of the filter element assembly 20, an impeller 42 is arranged in the water passage 41, a magnet 43 that rotates synchronously with the impeller 42 is installed on the impeller 42, a sensor 44 for sensing the rotation speed of the magnet 43 is arranged outside the water passage 41, the flow display assembly 40 also includes a PCB circuit board 45 installed in the upper shell 11 and a display screen 46 electrically connected to the PCB circuit board 45, the sensor 44 transmits a signal to the PCB circuit board 45, and the PCB circuit board 45 displays the flow digitally on the display screen 46. The utility model can effectively measure the flow rate of water through the cooperation between the impeller 42, the magnet 43 and the sensor 44, and can display the working status of the water purifier and the total flow rate of water purified by the current filter element through the display screen 46, reminding whether the filter element in the faucet needs to be replaced to ensure safe and healthy direct drinking water.

[0037] In this embodiment, the sensor 44 is electrically connected to the PCB circuit board 45, and the sensor 44 transmits a signal to the PCB circuit board 45, and the PCB circuit board 45 displays the flow digitally on the display screen 46. The display screen 46 can display the working status of the water purifier and the total flow of water purified by the current filter element. When using the water purifier, the user can observe the total flow of water purified by the current filter element in real time, and replace the filter element after the statistical flow reaches a certain value according to the manufacturer's recommended value or his own use experience, thereby avoiding missing the best time to replace the filter element.

[0038] In another embodiment of the utility model, Figure 2 , Figure 3 As shown, the filter element assembly 20 includes a filter cartridge 21 and a filter element 22 disposed in the filter cartridge 21 , the filter cartridge 21 includes an upper filter cartridge 210 and a lower filter cartridge 211 , the upper filter cartridge 210 is detachably mounted on the lower filter cartridge 211 and forms a filter element cavity 212 , the filter element 22 is installed in the filter element cavity 212 .

[0039] In this embodiment, a filter element water inlet 213 connected to the lower filter element 211 is provided on one side wall of the lower filter element 211, a filter element water outlet connected to the lower filter element 211 is provided on the rear side wall of the lower filter element 211, one end of the water passage 41 is connected to the filter element water inlet 213, and the other end of the water passage 41 is connected to the water path switching assembly 30. The clean water to be filtered circulates through the filter element water inlet 213 into the filter element cavity 212 and enters the filter element 22, the filter element 22 filters the raw water, and the clean water after filtration flows out through the filter element water outlet.

[0040] In this embodiment, a circle of first annular grooves 47 are formed on the outer surface of the water passage 41, and a first sealing ring 48 is installed in the first annular groove 47 to achieve a sealed connection between the water passage 41 and the filter element water inlet 213. Through the cooperation between the first annular groove 47 and the first sealing ring 48, the first sealing ring 48 is embedded in the first annular groove 47, and the outer wall of the first sealing ring 48 abuts against the filter element water inlet 213, thereby achieving a sealed connection between the water passage 41 and the filter element water inlet 213.

[0041] In this embodiment, a second annular groove 214 is formed on the outer circumference of the lower filter cartridge 211, and a second sealing ring 215 is installed in the second annular groove 214 to achieve a sealed connection between the upper filter cartridge 210 and the lower filter cartridge 211. Through the cooperation between the second annular groove 214 and the second sealing ring 215, the second sealing ring 215 is embedded in the second annular groove 214, and the outer wall of the second sealing ring 215 abuts against the inner wall of the upper filter cartridge 210, thereby achieving a sealed connection between the upper filter cartridge 210 and the lower filter cartridge 211.

[0042] Preferably, a third annular groove 220 is provided on the lower outer surface of the filter element 22, and a third sealing ring 221 is installed in the third annular groove 220 to achieve a sealed connection between the filter element 22 and the lower filter cartridge 211. Through the cooperation between the third annular groove 220 and the third sealing ring 221, the third sealing ring 221 is embedded in the third annular groove 220, and the outer wall of the third sealing ring 221 abuts against the inner wall of the lower filter cartridge 211, thereby achieving a sealed connection between the filter element 22 and the lower filter cartridge 211.

[0043] In another embodiment of the utility model, Figure 4 , Figure 5As shown, the water channel switching assembly 30 includes a fixed shell 31 installed between the upper shell 11 and the bottom shell 12, and a diverter 32, a rotating rod 33, a first sealing pressing plate 34 and a second sealing pressing plate 35 are arranged in the fixed shell 31. A raw water outlet hole 31a, a first clean water outlet hole 31b and a second clean water outlet hole 31c are formed in the fixed shell 31. The rotating rod 33 is rotatably arranged in the fixed shell 31, and the first sealing pressing plate 34, the diverter 32 and the second sealing pressing plate 35 are arranged in parallel on the rotating rod 33 and rotate with the rotating rod 33. During the rotation of the rotating rod 33, the first sealing pressing plate 34 and the second sealing pressing plate 35 can close any two hole positions among the raw water outlet hole 31a, the first clean water outlet hole 31b and the second clean water outlet hole 31c, leaving only the other hole position exposed as the outlet hole. When switching the water path, the annular switch 36 is rotated to drive the rotating rod 33 to rotate. The tail end of the rotating rod 33 will rotate, and the first sealing pressing plate 34 and the second sealing pressing plate 35 at the tail end of the rotating rod 33 will rotate synchronously. The two sealing pressing plates can close any two holes of the fixed shell 31, so that only the holes required for water outlet are exposed, thereby realizing water outlet at the corresponding positions.

[0044] In this embodiment, one end of the fixed shell 31 is connected to the lower filter cartridge 211, and a ring switch 36 is rotatably installed on the fixed shell 31, and a socket is formed on the inner wall of the ring switch 36, and the rotating rod 33 is inserted into the socket, and the rotating rod 33 is connected to a linkage rod 33a that rotates in the fixed shell 31, and the first sealing pressing plate 34, the diverter 32 and the second sealing pressing plate 35 are arranged in parallel on the linkage rod 33a.

[0045] In this embodiment, an adapter 37 for connecting to a faucet and a group of arms 38 for engaging the adapter 37 are provided on the front inner side of the fixed shell 31, and a connecting cover 39 connected to the fixed shell 31 is provided on the outer surface of the adapter 37; the two rotating arms 38 are arranged opposite to each other in a ring shape, and arc-shaped engaging surfaces are provided on the opposite sides of the two rotating arms 38.

[0046] To sum up, the digital display faucet water purifier provided in the embodiment of the utility model can effectively measure the flow rate of water through the cooperation between the impeller 42, the magnet 43 and the sensor 44, and can display the working status of the water purifier and the total flow rate of water purified by the current filter element through the display screen 46, and according to the manufacturer's recommended value or its own usage experience, the filter element is replaced after the statistical flow rate reaches a certain value to ensure the safety and health of direct drinking water.

[0047] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A digital display faucet water purifier, characterized in that: The invention comprises a housing (10), a filter element assembly (20) and a waterway switching assembly (30), wherein the housing (10) comprises an upper housing (11) and a bottom housing (12), wherein the upper housing (11) and the bottom housing (12) cover the filter element assembly (20) and the waterway switching assembly (30), and a flow display assembly (40) for displaying flow is installed between the upper housing (11) and the bottom housing (12); The flow display assembly (40) comprises a water passage (41) installed at one end of the filter element assembly (20); an impeller (42) is arranged in the water passage (41); a magnet (43) is installed on the impeller (42) and rotates synchronously with the impeller (42); a sensor (44) for sensing the rotation speed of the magnet (43) is arranged outside the water passage (41); the flow display assembly (40) further comprises a PCB circuit board (45) installed in the upper housing (11) and a display screen (46) electrically connected to the PCB circuit board (45); the sensor (44) transmits a signal to the PCB circuit board (45), and the PCB circuit board (45) displays the flow digitally on the display screen (46).

2. The digital display faucet water purifier according to claim 1, characterized in that: The sensor (44) is electrically connected to the PCB circuit board (45); the sensor (44) transmits a signal to the PCB circuit board (45); and the PCB circuit board (45) displays flow numbers on the display screen (46).

3. The digital display faucet water purifier according to claim 1, characterized in that: The filter element assembly (20) comprises a filter cartridge (21) and a filter element (22) disposed in the filter cartridge (21); the filter cartridge (21) comprises an upper filter cartridge (210) and a lower filter cartridge (211); the upper filter cartridge (210) is detachably mounted on the lower filter cartridge (211) to form a filter element cavity (212); and the filter element (22) is mounted in the filter element cavity (212).

4. The digital display faucet water purifier according to claim 3, characterized in that: A filter element water inlet (213) connected to the lower filter element (211) is provided on one side wall of the lower filter cartridge (211), a filter element water outlet connected to the lower filter cartridge (211) is provided on the rear side wall of the lower filter cartridge (211), one end of the water passage (41) is connected to the filter element water inlet (213), and the other end of the water passage (41) is connected to the water channel switching assembly (30).

5. The digital display faucet water purifier according to claim 4, characterized in that: The outer surface of the water passage (41) is provided with a circle of first annular grooves (47), and a first sealing ring (48) is installed in the first annular groove (47) to achieve a sealed connection between the water passage (41) and the filter element water inlet (213).

6. The digital display faucet water purifier according to claim 4, characterized in that: The outer circumference of the lower filter cartridge (211) is provided with a circle of second annular grooves (214), and a second sealing ring (215) is installed in the second annular groove (214) for achieving a sealed connection between the upper filter cartridge (210) and the lower filter cartridge (211).

7. The digital display faucet water purifier according to claim 3, characterized in that: A third annular groove (220) is provided on the lower outer surface of the filter element (22), and a third sealing ring (221) is installed in the third annular groove (220) for achieving a sealed connection between the filter element (22) and the lower filter cartridge (211).

8. The digital display faucet water purifier according to claim 4, characterized in that: The waterway switching assembly (30) comprises a fixed shell (31) installed between the upper shell (11) and the bottom shell (12); a flow divider (32), a rotating rod (33), a first sealing pressing plate (34) and a second sealing pressing plate (35) are arranged in the fixed shell (31); a raw water outlet hole (31a), a first clean water outlet hole (31b) and a second clean water outlet hole (31c) are formed in the fixed shell (31); the rotating rod (33) is rotatably arranged on the fixed shell (31 ), the first sealing pressing plate (34), the diverter (32) and the second sealing pressing plate (35) are arranged in parallel on the rotating rod (33) and rotate with the rotating rod (33); during the rotation of the rotating rod (33), the first sealing pressing plate (34) and the second sealing pressing plate (35) can close any two holes among the raw water outlet hole (31a), the first purified water outlet hole (31b) and the second purified water outlet hole (31c), leaving only the other hole as the outlet hole.

9. The digital display faucet water purifier according to claim 8, characterized in that: One end of the fixed shell (31) is in communication with the lower filter cartridge (211), and an annular switch (36) is rotatably mounted on the fixed shell (31); The inner wall of the annular switch (36) is formed with a socket, the rotating rod (33) is inserted into the socket, and the rotating rod (33) is connected to a linkage rod (33a) that rotates in the fixed shell (31), and the first sealing pressing plate (34), the diverter (32) and the second sealing pressing plate (35) are arranged in parallel on the linkage rod (33a).

10. The digital display faucet water purifier according to claim 9, characterized in that: An adapter (37) for connecting to a faucet and a group of supporting arms (38) for engaging the adapter (37) are provided on the front inner side of the fixed shell (31); a connection cover (39) connected to the fixed shell (31) is provided on the outer surface of the adapter (37); The two support arms (38) are arranged opposite to each other in a ring shape, and arc-shaped clamping surfaces are provided on opposite sides of the two support arms (38).

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