CN209020007U - A tap water purification device for household life - Google Patents

Abstract

The utility model discloses a tap water purification device for household use, comprising a device casing, wherein a control cavity, a water inlet cavity, a purification cavity and a drainage cavity are sequentially arranged in the interior of the device casing from top to bottom. A controller and two electric telescopic rods are installed inside, and the two electric telescopic rods are located on both sides of the controller, and a water inlet jacket and a sealing sleeve are installed inside the water inlet cavity, and the sealing sleeve is located in the inlet. Above the water jacket, and the top surface of the sealing sleeve is connected to the movable end of the electric telescopic rod, the drainage jacket and the sewage pipe are installed inside the drainage cavity, and the sewage pipe is located in the middle of the drainage cavity. To solve the problem of short service life of the filter element in the purification device, the utility model is provided with a certain backwashing structure. When the whole device is normally purified, only one of the first filter element and the second filter element is in working state, while the other is in the working state. A sealed state is formed under the action of the sealing sleeve.

Description

A tap water purification device for household life

technical field

The utility model relates to the technical field of tap water purifiers, in particular to a tap water purification device for household use.

Background technique

The tap water purifier is a device that directly filters the tap water for daily use in the family, so that it can fully meet the kitchen cooking and drinking standards. It includes two types of pure water filters and ultrafiltration filters. All harmful substances are filtered out, and the ultrafiltration filter can filter the macromolecular substances in the water, which can effectively improve the water quality of the tap water, but the existing purification devices still have certain defects in the use process, such as pure water filter or ultrafiltration. Filters are all filtered by filter elements. The longer the filter is used, the higher the saturation of the filter element. In order to ensure the high-efficiency filtration of the purification device, the filter element needs to be replaced frequently, resulting in higher maintenance costs for the purification device. When replacing the filter element, the purification device needs to close the overall water guide structure, which cannot carry out timely water purification treatment, and when the filter element is replaced, it is easy to cause the phenomenon that the sealing is not tight, resulting in water leakage during later use.

Utility model content

(1) Technical problems to be solved

In order to overcome the deficiencies of the prior art, a tap water purification device for household use is proposed to solve the problem that the filter element in the existing purification device has a short service life, and the water cannot be purified in time when the filter element is replaced and the filter element cannot be reconnected. phenomenon, to achieve the effect of high-efficiency filtration and real-time water purification.

(2) Technical solutions

The utility model is realized by the following technical solutions: The utility model proposes a tap water purification device for household use, which includes a device housing, and the interior of the device housing is sequentially provided with a control cavity, a water inlet cavity, and a purification device from top to bottom. A controller and two electric telescopic rods are installed inside the control cavity, and the two electric telescopic rods are located on both sides of the controller, and a water inlet jacket and a water inlet jacket are installed inside the water inlet cavity. A sealing sleeve, the sealing sleeve is located above the water inlet sleeve, and the top surface of the sealing sleeve is connected with the movable end of the electric telescopic rod, the drainage chamber is installed with a drainage sleeve and a sewage pipe, and the sewage pipe is located in the drainage chamber At the middle position of the cleaning chamber, a first filter element, a second filter element and a backwash pump are installed inside the purification chamber, and the first filter element and the second filter element are respectively located on both sides of the backwash pump, and the first filter element and the second filter element are Both ends of the filter element are welded with a sealing cover, the sealing cover is fixedly connected with the water inlet jacket and the drainage jacket by fixing bolts, and a clamping groove is opened on one outer wall of the sealing cover, and the water inlet jacket and the drainage jacket are connected. The outer wall of one side is provided with a sealing bag and a sealing groove, the sealing bag is located on one side of the sealing groove, an air cavity is opened inside the water inlet jacket and the drainage sleeve, and a piston is installed inside the air cavity, And a trachea is connected between the air cavity and the sealing bag, a backwash pipe is installed on one side outer wall of the water inlet jacket, and the two ends of the backwash pipe are respectively connected with a solenoid valve and a three-way, the solenoid valve and the The tee is connected to the water inlet jacket and the backwash pump respectively, the end of the backwash pump away from the tee is connected to the sewage pipe, the electric telescopic rod, the solenoid valve and the backwash pump are all electrically connected to the controller. The controller is electrically connected with the external power supply.

Further, a water inlet pipe and a drainage pipe are respectively installed on the two outer walls of the device casing, and the water inlet pipe and the drainage pipe are respectively connected with the water inlet cavity and the drainage cavity.

Further, two water inlet jackets and two drainage jackets are provided, and the two water inlet jackets and the drainage jackets are respectively connected with the first filter element and the second filter element.

Further, the sealing sleeve has a U-shaped structure.

Further, the air cavity is an annular structure.

Further, the sealing bag, the sealing groove and the clamping groove are of annular structure as a whole, and the cross-sectional shapes of the sealing bag and the clamping groove are both L-shaped.

(3) Beneficial effects

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

1), in order to solve the problem that the filter element has a short service life in the existing purification device, the utility model is provided with a certain backwash structure, and when the overall device is normally purified, only one of the first filter element and the second filter element is in operation. At the same time, the solenoid valve corresponding to the sealed filter element is opened. At this time, the backwash pump is used for adsorption, and part of the drainage cavity is fed into the water purification filter element to clean the filter element. The backflow of water backwashes the filter element, and then discharges it through the backwashing pipe and the sewage pipe, so as to effectively realize the backwashing operation of the corresponding filter element, and carry out a certain backwashing discharge for the impurities adsorbed in the filter element, so that the adsorption capacity of the filter element is improved. Obtain a certain recovery, thereby effectively prolonging the service life of the filter element, thereby indirectly reducing the number of filter element replacements in the actual use process, thereby reducing the follow-up maintenance cost of the overall device.

2), in order to solve the problem that water purification cannot be carried out in time when the filter element is replaced in the existing purification device, the utility model is provided with a double-core structure, and only one filter element is in a working state in the double-core structure, for example, the first filter element is working. At this time, the second filter element is in a sealed state under the action of the sealing sleeve. If the second filter element is replaced at this time, the water purification process of the first filter element will not be affected. Similarly, the second filter element will not be replaced when the first filter element is in operation. Change the water purification process of the whole device to effectively ensure that the device can still purify water effectively when the filter element is replaced, thus solving the problem of the need to close the entire device when replacing the filter element in the existing device, and ensuring that the device is always available at all times. It can carry out water intake and avoid the phenomenon that it cannot be purified when purified water is needed.

3) In order to solve the problem that the sealing is not tight when the filter element is replaced in the existing purification device, the utility model is provided with an effective sealing structure. For the connection of the sleeve, the connection method is the same. For example, when the sealing cover is connected with the water inlet sleeve, it can be fixed by the fixing bolt after the sealing bag is just locked into the slot, and the fixing bolt will gradually be inserted into the air cavity during the screwing process. In this process, the conduction of the trachea will realize the circulation of gas, so that the sealing bag will be inflated and deformed. Due to the limitation of the space position, the inflated sealing bag can only go to the inside of the sealing groove and the card groove. Extend, so that the sealing bag is tightly engaged with the sealing groove and the clamping groove, so as to form a sealing structure between the sealing cover and the water inlet jacket. After the deformation, the sealing bag forms multiple seals between the sealing groove and the clamping groove. , so as to realize the effective sealing of the whole connecting structure.

Description of drawings

Figure 1 is a front view of the present invention.

Figure 2 is a schematic diagram of the connection between the water inlet jacket and the sealing cover of the present invention.

Figure 3 is an enlarged view of the A part of the present utility model.

Fig. 4 is the enlarged view of B of the present utility model.

FIG. 5 is a circuit block diagram of the present invention.

1-device shell; 2-electric telescopic rod; 3-controller; 4-control chamber; 5-water inlet chamber; 6-water inlet jacket; 7-first filter element; 8-sealing cover; 9-sewage pipe; 10-drainage chamber; 11-drainage sleeve; 12-purification chamber; 13-second filter element; 14-seal sleeve; 15-trachea; 16-air chamber; 17-piston; 18-seal bag; 19-fixing bolt; 20 -Solenoid valve; 21-Tee; 22-Backwash pipe; 23-Sealing groove; 24-Card groove; 25-Backwash pump

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

As shown in Figures 1-5, a household tap water purification device includes a device housing 1, and the interior of the device housing 1 is sequentially provided with a control chamber 4, a water inlet chamber 5, a purification chamber 12 and a The drain chamber 10 and the control chamber 4 are equipped with a controller 3 and two electric telescopic rods 2. The controller 3 adopts the PLC programmable controller. The two electric telescopic rods 2 are located on both sides of the controller 3 respectively. A water inlet jacket 6 and a sealing jacket 14 are installed inside the cavity 5. The position of the sealing jacket 14 can be effectively changed through the expansion and contraction of the electric telescopic rod 2, thereby realizing the conduction and sealing of the water inlet jacket 6. The sealing jacket 14 is located in the water inlet jacket 6. The top surface of the sealing sleeve 14 is connected to the movable end of the electric telescopic rod 2. The drainage chamber 10 is provided with a drainage sleeve 11 and a sewage pipe 9. The sewage pipe 9 is located in the middle of the drainage chamber 10, and the purification chamber 12 The first filter element 7, the second filter element 13 and the backwash pump 25 are installed inside the filter element. After the backwash pump 25 is started, a negative pressure is formed in the first filter element 7, and the water inlet jacket 6 corresponding to the first filter element 7 is in a sealed state. Therefore, under the action of negative pressure, the clean water in the drainage cavity 10 will flow reversely into the first filter element 7 through the drainage jacket 11, so as to realize the backwashing operation of the first filter element 7 and effectively wash away all the contents in the first filter element 7. The adsorbed impurities, the first filter element 7 and the second filter element 13 are respectively located on both sides of the backwash pump 25, and both ends of the first filter element 7 and the second filter element 13 are welded with a sealing cover 8, and the sealing cover 8 is connected to the water inlet jacket. 6 and the drainage jacket 11 are fixedly connected by fixing bolts 19, and one side outer wall of the sealing cover 8 is provided with a clamping groove 24, and one side outer wall of the water inlet jacket 6 and the drainage jacket 11 are provided with a sealing bag 18 and a sealing groove. 23. The sealing bag 18 and the clamping groove 24 are engaged with each other. On the one hand, the positioning function of the filter element during reconnection is realized. , effectively improve the tightness of the connection structure, the sealing bag 18 is located on one side of the sealing groove 23, the water inlet jacket 6 and the drainage jacket 11 are both provided with an air cavity 16, the inside of the air cavity 16 is installed with the piston 17, and the air cavity A trachea 15 is connected between 16 and the sealing bag 18, and the gas circulation between the air cavity 16 and the sealing bag 18 is effectively realized through the conduction of the trachea 15, so as to effectively realize the expansion and sealing of the sealing bag 18 when connecting, and the sealing bag when disassembling. 18 Shrink and unlock, a backwash pipe 22 is installed on one side outer wall of the water inlet jacket 6, and the two ends of the backwash pipe 22 are respectively connected with a solenoid valve 20 and a three-way 21, and the solenoid valve 20 and the three-way 21 are respectively connected with the water inlet jacket. 6. Connect to the backwash pump 25. The backwash pump 25 is a pipeline sewage pump with a model of 50GW25-10-1.5. The outlet pipe diameter of the pump body is 50mm and the flow rate is 25m3/h. The backwash pump 25 is far away from the tee 21. One end is connected with the sewage pipe 9, the electric telescopic rod 2, the solenoid valve 20 and the backwash pump 25 are all electrically connected with the controller 3, and the controller 3 is electrically connected with the external power supply.

Further, a water inlet pipe and a drain pipe are respectively installed on the two outer walls of the device casing 1 , and the water inlet pipe and the drain pipe are respectively connected with the water inlet cavity 5 and the drainage cavity 10 .

Further, there are two water inlet jackets 6 and two drain jackets 11 , and the two water inlet jackets 6 and the drain jackets 11 are respectively connected with the first filter element 7 and the second filter element 13 .

Further, the sealing sleeve 14 has a U-shaped structure.

It should be noted that the air cavity 16 is an annular structure.

Specifically, the sealing bag 18 , the sealing groove 23 and the clamping groove 24 are of annular structure as a whole, and the cross-sectional shapes of the sealing bag 18 and the clamping groove 24 are both L-shaped.

The utility model refers to a household tap water purification device. When using the utility model, the water inlet pipe and the drain pipe on both sides of the device are respectively connected with the water inlet main pipe and the water outlet main pipe, and the tap water enters the water inlet cavity through the water inlet pipe. 5 to flow to the water inlet jacket 6 in the open state. For example, when the device is initially working, the sealing sleeve 14 is fitted with the water inlet jacket 6 corresponding to the second filter element 13 through the restriction of the electric telescopic rod 2. At this time Then the first filter element 7 is open, while the second filter element 13 is sealed, the water in the water inlet chamber 5 will pass through the corresponding water inlet jacket 6 and enter the first filter element 7, and after being filtered at the first filter element 7, the water will drain through the water. The sleeve 11 flows into the drainage cavity 10 and is then discharged through the drainage pipe. With the increase of the use time of the device, the first filter element 7 will gradually become saturated. At this time, the controller 3 controls the two electric telescopic rods 2 to replace In the telescopic state, the sealing sleeve 14 is fitted with the water inlet jacket 6 corresponding to the first filter element 7, so that the first filter element 7 is sealed. At this time, the water in the water inlet cavity 5 enters the second filter element 13, and the second filter element is used. 13. Purify, in this process, if the backwash switch of the device is turned on, the controller 3 controls the solenoid valve 20 corresponding to the first filter element 7 to open, and simultaneously starts the backwash pump 25 to form a negative pressure in the first filter element 7, Since the water inlet jacket 6 corresponding to the first filter element 7 is sealed, the purified water in the drainage cavity 10 flows into the first filter element 7 reversely through the drainage jacket 11 under the action of negative pressure, so as to realize the protection of the first filter element 7 The backwashing operation of the device can effectively wash off the impurities adsorbed in the first filter element 7, and make the impurities flow to the backwashing pipe 22 with the water flow, and then discharge through the sewage pipe 9, so as to realize the backwashing operation of the filter element inside the device. The second filter element 13 is backwashed in the same way, which effectively realizes the regeneration of the filter element, prolongs the service life of the whole device, and reduces the replacement frequency of the filter element. However, the filter element still needs to be replaced. The filter element in the sealed state can be replaced. For example, when the first filter element 7 is sealed, the first filter element 7 can be replaced correspondingly. Due to the sealing effect between the sealing sleeve 14 and the water inlet sleeve 6, the tap water can be effectively avoided. When it is not purified, it flows into the drainage cavity 10, and when the first filter element 7 is disassembled, the fixing bolts 19 between the sealing cover 8 and the water inlet jacket 6 and the drainage jacket 11 can be disassembled. At this time, it is necessary to ensure that the slot 24 on the sealing cover 8 is engaged with the sealing bag 18 on the water inlet jacket 6 and the drainage jacket 11, and then reconnect the fixing bolts 19. The fixing bolts 19 will gradually Insert into the air cavity 16, push the piston 17 inside the air cavity 16, and squeeze the gas in the air cavity 16 through the movement of the piston 17, so that the gas flows through the trachea 15 into the sealing bag 18, thereby expanding the sealing bag 18 Deformation, the deformed sealing bag 18 fills the sealing groove 23 and the clamping groove 24, thereby realizing a complete sealing structure, effectively avoiding the phenomenon of water leakage in the subsequent use process. replace, overall The process operation structure is changed, the connection structure is stable and has a good seal, which effectively ensures the stability of the overall device performance.

The above-mentioned embodiments merely describe the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention. Under the premise of not departing from the design concept of the present invention, various modifications and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope of the present invention, and the technology claimed by the present invention shall be protected. The content has been fully described in the claims.

Claims (6)

1. A tap water purification device for household use, comprising a device housing (1), characterized in that: the interior of the device housing (1) is sequentially provided with a control cavity (4), a water inlet cavity ( 5) A purification chamber (12) and a drainage chamber (10), a controller (3) and two electric telescopic rods (2) are installed inside the control cavity (4), and the two electric telescopic rods (2) ) are respectively located on both sides of the controller (3), the water inlet chamber (5) is provided with a water inlet jacket (6) and a sealing jacket (14), and the sealing jacket (14) is located in the water inlet jacket (6). ) above, and the top surface of the sealing sleeve (14) is connected with the movable end of the electric telescopic rod (2), the drainage chamber (10) is provided with a drainage sleeve (11) and a sewage pipe (9) inside, the The sewage pipe (9) is located at the middle position of the drainage cavity (10), and a first filter element (7), a second filter element (13) and a backwash pump (25) are installed inside the purification cavity (12). The first filter element (7) and the second filter element (13) are respectively located on both sides of the backwash pump (25), and both ends of the first filter element (7) and the second filter element (13) are welded with sealing covers (8) , the sealing cover (8) is fixedly connected with the water inlet jacket (6) and the drainage jacket (11) by fixing bolts (19), and one side outer wall of the sealing cover (8) is provided with a clamping groove (24), A sealing bag (18) and a sealing groove (23) are provided on one side outer wall of the water inlet jacket (6) and the drainage jacket (11), and the sealing bag (18) is located on one side of the sealing groove (23) , the inside of the water inlet jacket (6) and the drain jacket (11) are provided with an air cavity (16), a piston (17) is installed inside the air cavity (16), and the air cavity (16) is sealed with the air cavity (16). A trachea (15) is connected between the bladders (18), a backwash pipe (22) is installed on one side outer wall of the water inlet jacket (6), and two ends of the backwash pipe (22) are respectively connected with electromagnetic A valve (20) and a three-way (21), the solenoid valve (20) and the three-way (21) are respectively connected with the water inlet jacket (6) and the backwash pump (25), and the backwash pump (25) is far away from One end of the tee (21) is connected to the sewage pipe (9), the electric telescopic rod (2), the solenoid valve (20) and the backwash pump (25) are all electrically connected to the controller (3), and the control The device (3) is electrically connected with the external power supply. 2. A tap water purification device for household use according to claim 1, characterized in that: a water inlet pipe and a drain pipe are respectively installed on the outer walls of both sides of the device casing (1), and the water inlet pipe and the drain pipe are respectively installed. They are respectively connected with the water inlet cavity (5) and the drainage cavity (10). 3. A tap water purification device for household use according to claim 1, characterized in that: the water inlet jacket (6) and the drainage jacket (11) are both provided with two, and the two water inlet jackets (6) ) and the drain sleeve (11) are respectively connected with the first filter element (7) and the second filter element (13). 4 . The tap water purification device for household use according to claim 1 , wherein the sealing sleeve ( 14 ) has a U-shaped structure. 5 . 5 . The device for purifying tap water for domestic use according to claim 1 , wherein the air cavity ( 16 ) is an annular structure. 6 . 6. A tap water purification device for household use according to claim 1, characterized in that: the sealing bag (18), the sealing groove (23) and the clamping groove (24) are integrally annular structures, and the sealing bag (18) 18) and the cross-sectional shape of the card slot (24) are both L-shaped.