A water purifier

Abstract

The present invention discloses a water purifier, comprising a shell and a water pump installed in the shell, an integrated water circuit board, and a plurality of filter elements detachably connected to the integrated water circuit board; a water inlet pipe for water to be filtered, a first purified water outlet pipe, a pressure barrel connecting pipe, a second purified water outlet pipe with a sensing switch connected at one end, a first filter element interface for connecting to a first filter element, a second filter element interface for connecting to a second filter element, a third filter element interface for connecting to a third filter element, and an inlet valve connecting pipe are integrally formed on the integrated water circuit board; the water inlet pipe for water to be filtered is connected to the first purified water outlet pipe after being filtered by the first filter element, and one end of the first purified water outlet pipe can be connected to the water inlet end of the second filter element via the water pump, the inlet valve, and the inlet valve connecting pipe in sequence; the present invention adopts an integrated water circuit board to realize convenient layout and connection, save space, and the filter element is quick to disassemble and assemble, firmly connected, and not easy to loosen and leak.

Description

Technical Field

[0001] The invention relates to tap water purification equipment, in particular to a water purifier. Background Art

[0002] A water purifier uses a single or multiple filter cartridges to remove impurities, bacteria, harmful substances, etc. from tap water, so that the water meets the standard for use or drinking required by people. Traditional water purifiers are generally equipped with three filter cartridges: a PP cotton pre-filter cartridge, a reverse osmosis membrane filter cartridge, and a post-activated carbon filter cartridge; the PP cotton pre-filter cartridge is used to filter out larger particles of impurities in the water, the reverse osmosis membrane filter cartridge is used to filter out bacteria, harmful substances and other tiny substances in the water, and the post-activated carbon filter cartridge can improve the taste of the water.

[0003] Traditional water purifiers do not use integrated waterway panels, and do not integrate the various waterway pipes into a whole with plastic or metal materials. Instead, the filter elements are connected by multiple independent pipes, which makes the connection inconvenient, has many independent pipes, occupies more space, has a messy and inconvenient layout, and is prone to water leakage. In addition, after the traditional filter element is installed on the water purifier, when vibration occurs during transportation or handling, the filter element is prone to loosening or falling off, causing water leakage. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a water purifier which adopts an integrated waterway plate to achieve convenient layout and connection, save space, and has quick filter element disassembly and assembly, firm connection, and is not prone to loosening and leakage.

[0005] A water purifier comprises a housing and a water pump installed in the housing, an integrated water circuit board, and a plurality of filter elements detachably connected to the integrated water circuit board, wherein a water inlet pipe for water to be filtered, a first purified water outlet pipe, a pressure barrel connecting pipe, a second purified water outlet pipe with a sensing switch connected at one end, a first filter element interface for connecting the first filter element, a second filter element interface for connecting the second filter element, a third filter element interface for connecting the third filter element, and an inlet valve connecting pipe are integrally formed on the integrated water circuit board; the water inlet pipe for water to be filtered is connected to the first purified water outlet pipe after being filtered by the first filter element, one end of the first purified water outlet pipe can be connected to the water inlet end of the second filter element via the water pump, the inlet valve, and the inlet valve connecting pipe in sequence, the water outlet end of the second filter element is connected to the pressure barrel connecting pipe and the water inlet end of the third filter element respectively via a check valve, and the water outlet end of the third filter element is connected to the second purified water outlet pipe; a wastewater drainage pipe is integrally formed on the integrated water circuit board, and one end of the wastewater drainage pipe is connected to the wastewater discharge end of the second filter element via a wastewater valve.

[0006] Furthermore, the integrated waterway plate is hinged with a plurality of rotatable connecting seats, the number of which is the same as that of the plurality of filter elements, and a rotatable spring block is hinged in each connecting seat, an elastic member is installed between the first end of the spring block and the inner wall of the connecting seat, and a pressing member is provided at the second end of the spring block, and the free end of the pressing member can extend to the outside of the connecting seat through a through hole provided on the side wall of the connecting seat; a protrusion corresponding to the position of the spring block is provided on the upper end side wall of each filter element, and the spring block and the protrusion are correspondingly provided with inclined surfaces for convenient sliding in; limiting grooves are symmetrically provided on the inner walls at both ends of the connecting seat, and limiting protrusions corresponding to the limiting grooves are symmetrically provided on the outer walls at both ends of the filter element.

[0007] Furthermore, the integrated waterway plate is provided with a plurality of elastic seats, the same number as the connecting seats, and the outer walls at both ends of each connecting seat are symmetrically provided with rotating shafts. Each connecting seat is correspondingly inserted into the rotating shaft holes arranged at both ends of the elastic seat through the rotating shaft, and is rotatably connected to the elastic seat.

[0008] Furthermore, a block mounting groove is provided in the connecting seat, and block slots and block pressure plates are provided in the connecting seat on both sides of the block mounting groove, and block insertion holes corresponding to the block slots are provided on the block pressure plates. The block is inserted into the block mounting groove, and the insertion rods symmetrically provided on the two side walls of the block are correspondingly inserted into the block slots and the block insertion holes, so that the block can rotate relatively in the block mounting groove.

[0009] Furthermore, the elastic member is a spring, and one end of the spring is inserted into a spring mounting hole on the elastic block.

[0010] The beneficial effects of the present invention are as follows: an integrated waterway plate is adopted, and various waterway pipes are integrally molded together with plastic or metal materials to form a whole. No welding is required between the various waterway pipes, the production is convenient and quick, and there are few interfaces and no water leakage; the integrated waterway plate occupies a small space, is convenient to connect and to lay out; the connecting seat and the filter element are detachably connected by means of the cooperation of the elastic block and the protrusion to prevent the axial movement of the filter element; in order to further enhance the firmness and prevent the radial movement of the filter element, limiting grooves are symmetrically arranged on the inner walls at both ends of the connecting seat, and limiting protrusions corresponding to the positions of the limiting grooves are symmetrically arranged on the outer walls at both ends of the filter element, and the limiting protrusions can be inserted into the end of the limiting groove through the opening end of the limiting groove; the present invention has good water leakage resistance, is convenient to install and disassemble, and can prevent the filter element from loosening or falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0012] Figure 1 It is a schematic diagram of the appearance of the present invention;

[0013] Figure 2 It is a schematic diagram of the structure of the present invention after removing the rear cover of the shell;

[0014] Figure 3 It is a schematic diagram of the connection structure between the integrated waterway plate and the filter element of the present invention;

[0015] Figure 4 It is a schematic diagram of the structure of the integrated waterway plate of the present invention;

[0016] Figure 5 It is a schematic diagram of the connection of the water pipeline of the present invention;

[0017] Figure 6 It is a schematic diagram of the connection structure between the connection seat and the filter element of the present invention;

[0018] Figure 7 It is a schematic diagram of the split structure of the connecting seat and the filter element of the present invention;

[0019] Figure 8 It is a schematic diagram of the overall structure of the connecting socket of the present invention;

[0020] Fig. 9 It is a schematic diagram of the split structure of the connecting seat of the present invention;

[0021] Fig.10 It is a schematic structural diagram of the connecting seat of the present invention after removing the spring block and the elastic member. DETAILED DESCRIPTION

[0022] Reference Figure 1-Figure 10 A water purifier comprises a housing 1 and a water pump 2 installed in the housing 1, an integrated waterway board 3, and a plurality of filter cartridges 4 that can be detachably connected to the integrated waterway board 3, wherein the integrated waterway board 3 is integrally formed with a water inlet pipe 5 for water to be filtered, a first purified water outlet pipe 6, a pressure barrel connecting pipe 7, a second purified water outlet pipe 9 with an induction switch 8 connected at one end, a first filter cartridge interface 10 for connecting a first filter cartridge 41, a second filter cartridge interface 11 for connecting a second filter cartridge 42, a third filter cartridge interface 12 for connecting a third filter cartridge 43, and a water inlet valve connecting pipe 13; the water inlet pipe 5 for water to be filtered, a first purified water outlet pipe 6, a pressure barrel connecting pipe 7, a second purified water outlet pipe 9 with an induction switch 8 connected at one end, a first filter cartridge interface 10 for connecting a first filter cartridge 41, a second filter cartridge interface 11 for connecting a second filter cartridge 42, a third filter cartridge interface 12 for connecting a third filter cartridge 43, and a water inlet valve connecting pipe 13; After being filtered by the first filter element 41, it is connected to the first purified water outlet pipe 6. One end of the first purified water outlet pipe 6 can be connected to the water inlet end of the second filter element 42 via the water pump 2, the water inlet valve 14, and the water inlet valve connecting pipe 13 in sequence. The water outlet end of the second filter element 42 is connected to the first purified water outlet pipe 6 and the water inlet end of the third filter element 43 respectively via the check valve 15, and the water outlet end of the third filter element 43 is connected to the second purified water outlet pipe 9; a wastewater drainage pipe 16 is integrally formed on the integrated waterway plate 3, and one end of the wastewater drainage pipe 16 is connected to the wastewater discharge end of the second filter element 42 via the wastewater valve 17.

[0023] When in use, connect the tap water switch to one end of the water inlet pipe 5 to be filtered, and the tap water enters the first filter element 41 through the water inlet pipe 5 to be filtered. The first filter element 41 can be a PP cotton filter element, which is used to filter out larger particles of impurities in the water; then, the water after primary filtration can be transported to the outside of the machine through one end of the first purified water outlet pipe 6 for use in washing vegetables, making soup, etc., and the water after primary filtration can also flow into the water pump 2, the water inlet valve 14, the water inlet valve connecting pipe 13, and the second filter element 42 in sequence through the other end of the first purified water outlet pipe 6, wherein the water inlet valve 14 is installed in the water inlet end of the water inlet valve connecting pipe 13, and the second filter element 42 can be a reverse osmosis membrane filter element, which is used to filter out bacteria, harmful substances and other tiny substances in the water; the water after secondary filtration by the reverse osmosis membrane filter element flows from the water outlet end of the reverse osmosis membrane filter element through the check valve 15 into the pressure barrel connecting pipe 7 and the third filter element 43 respectively. Among them, the pressure barrel connecting pipe 7 is connected to the pressure barrel for storing water, the check valve 15 is a valve that automatically opens and closes the valve disc by the flow of the medium itself, and is used to prevent water from flowing back, and is also called a check valve, a one-way valve, a backflow valve, and a back pressure valve; the induction switch 8 is used to sense the pressure in the water pipeline, and then control the opening or closing of the water pump 2, the water inlet valve 14, etc. The secondary purified water stored in the pressure barrel can also flow into the third filter element 43, and the third filter element 43 can be an activated carbon filter element, which can improve the taste of water. The wastewater generated by the reverse osmosis membrane filter element is discharged to the outside of the machine through the wastewater valve 17 and the wastewater drainage pipe 16; after being filtered again by the third filter element 43, the water flows out of the machine through the second purified water outlet pipe 9, wherein the outlet ends of the first purified water outlet pipe 6 and the second purified water outlet pipe 9 can each be connected to a water outlet switch, or share a water outlet switching switch.

[0024] By using an integrated waterway board 3, each waterway pipe is integrally molded together with plastic or metal materials to form a whole. No welding is required between the waterway pipes, the production is convenient and quick, and there are few interfaces and no water leakage. The integrated waterway board 3 occupies a small space, is easy to connect, and is easy to layout.

[0025] Refer to Figure 3 , Figure 7 , Figure 8 , Fig. 9The integrated waterway plate 3 is hinged with a plurality of rotatable connecting seats 18, the number of which is the same as that of the plurality of filter elements 4. A rotatable spring block 19 is hinged in each connecting seat 18. An elastic member 20 is installed between the first end of the spring block 19 and the inner wall of the connecting seat 18. A pressing member 21 is provided at the second end of the spring block 19. The free end of the pressing member 21 can extend outside the connecting seat 18 through a through hole 22 provided on the side wall of the connecting seat 18. A convex block 23 corresponding to the position of the spring block 19 is provided on the upper side wall of each filter element 4. The spring block 19 and the convex block 23 are provided on the upper side wall of each filter element 4. The blocks 23 are each provided with a corresponding inclined surface 24 for easy sliding in, and the connection seat 18 and the filter element 4 are connected in a detachable manner by the cooperation of the spring block 19 and the protrusion 23; in order to prevent the filter element 4 from radial movement and enhance the firmness of the connection, limiting grooves 25 are symmetrically provided on the inner walls at both ends of the connection seat 18, and limiting protrusions 26 corresponding to the limiting grooves 25 are symmetrically provided on the outer walls at both ends of the filter element 4, and the width of the opening end of the limiting groove 25 is greater than the width of the end of the limiting groove 25, and it is roughly U-shaped, which is convenient for the placement of the limiting protrusion 26.

[0026] When in use, each filter element 4 is correspondingly inserted into each filter element interface of the integrated waterway plate 3, and the two limiting protrusions 26 are correspondingly placed in the two limiting grooves 25, and then the connecting seat 18 is pressed, and the connecting seat 18 rotates, and the inclined surface 24 on the protrusion 23 contacts the inclined surface 24 on the spring block 19, and the protrusion 23 squeezes the spring block 19 and the spring. The first end of the spring block 19 is wide and the second end is narrow. Finally, the first end of the spring block 19 slides into the plane at the lower end of the protrusion 23, so that the spring block 19 and the protrusion 23 are clamped together, and then, the spring pushes the spring block 19 to reset, and the tension is always applied to the protrusion 23 through the spring block 19 to prevent the filter element 4 from axial movement, loosening or falling off when vibration occurs during transportation or handling; at the same time, the two limiting protrusions 26 are finally placed at the end of the limiting groove 25 to prevent the filter element 4 from radial movement, thereby preventing loosening or falling off during vibration. To remove the filter element 4, first press the pressing piece 21 on the second end of the spring block 19, and the first end of the spring block 19 rotates in the opposite direction while squeezing the spring. When the first end of the spring block 19 rotates to a predetermined position, the spring block 19 is separated from the protrusion 23 on the filter element 4. At this time, the filter element 4 can be pulled out, and then the spring pushes the spring block 19 to return to its original position.

[0027] Refer to Figure 3 , Figure 4 The integrated waterway plate 3 is hinged with rotatable connecting seats 18 of the same number as the filter element 4 in the following manner: the integrated waterway plate 3 is provided with a plurality of elastic seats 27 of the same number as the connecting seats 18, and the outer walls at both ends of each connecting seat 18 are symmetrically provided with rotating shafts 28. Each connecting seat 18 is correspondingly inserted into the rotating shaft holes 29 arranged at both ends of the elastic seat 27 through the rotating shaft 28, and is rotatably connected to the elastic seat 27. The elastic seat 27 is made of a material with a certain elasticity to facilitate the insertion of the rotating shaft 28.

[0028] Refer to Figure 8 , Fig. 9 , Fig.10 A rotatable spring block 19 is hinged in each connecting seat 18 in the following manner: a spring block mounting groove 30 is provided in the connecting seat 18, and spring block slots 31 and spring block pressure plates 32 are provided in the connecting seat 18 on both sides of the spring block mounting groove 30. The spring block pressure plates 32 are fixed to the connecting seat 18 by screws, and spring block insertion holes 33 corresponding to the spring block slots 31 are provided on the spring block pressure plates 32. The spring block 19 is inserted into the spring block mounting groove 30, and the insertion rods symmetrically arranged on the two side walls of the spring block 19 are correspondingly inserted into the spring block slots 31 and the spring block insertion holes 33, and the spring block 19 can rotate relatively in the spring block mounting groove 30.

[0029] Refer to Fig. 9 The elastic member 20 is preferably a spring, one end of which is inserted into a spring mounting hole 34 on the spring block 19 to prevent the spring from being displaced or falling off.

[0030] The main components of each filter element 4 of the present invention are the same as the existing products on the market. The main function is to purify tap water to the state required for production and life, make the water reach a certain degree of cleanliness, remove solid particles in the water, kill bacteria, and filter out harmful chemical components. The difference of the filter element 4 of the present invention is that the top of the filter element 4 is connected to the filter element seat by hot melting or other methods. The hot melting connection has a firm structure and is not easy to leak. Among them, the protrusion 23 and the limit protrusion 26 are respectively arranged on the filter element seat, which is convenient for realizing a detachable connection with the connecting seat 18.

[0031] The above description and specific embodiments do not constitute any limitation to the present invention. The present invention is not limited to the specific embodiments described above. Some modifications and variations of the present invention should also fall within the protection scope of the claims of the present invention.

Claims

1. A water purifier, comprising a housing, a water pump installed in the housing, an integrated waterway board, and a plurality of filter elements detachably connected to the integrated waterway board, wherein: The integrated waterway plate is integrally formed with a water inlet pipe for water to be filtered, a first purified water outlet pipe, a pressure barrel connecting pipe, a second purified water outlet pipe with a sensing switch connected at one end, a first filter element interface for connecting to the first filter element, a second filter element interface for connecting to the second filter element, a third filter element interface for connecting to the third filter element, and a water inlet valve connecting pipe; the water inlet pipe for water to be filtered is connected to the first purified water outlet pipe after being filtered by the first filter element, one end of the first purified water outlet pipe can be connected to the water inlet end of the second filter element via a water pump, a water inlet valve, and a water inlet valve connecting pipe in sequence, the water outlet end of the second filter element is connected to the pressure barrel connecting pipe and the water inlet end of the third filter element respectively via a check valve, and the outlet end of the third filter element is connected to the pressure barrel connecting pipe and the water inlet end of the third filter element respectively via a check valve, and the outlet end of the third filter element is connected to the pressure barrel connecting pipe and the water inlet end of the third filter element respectively via a check valve. The water end is connected with the second purified water outlet pipe; a plurality of rotatable connecting seats, the same number as the plurality of filter elements, are hinged on the integrated waterway plate, a rotatable spring block is hinged in each connecting seat, an elastic member is installed between the first end of the spring block and the inner wall of the connecting seat, a pressing member is arranged at the second end of the spring block, and the free end of the pressing member can extend to the outside of the connecting seat through a through hole arranged on the side wall of the connecting seat; a protrusion corresponding to the position of the spring block is arranged on the upper end side wall of each filter element, and the spring block and the protrusion are correspondingly provided with inclined surfaces for convenient sliding in; limiting grooves are symmetrically arranged on the inner walls at both ends of the connecting seat, and limiting protrusions corresponding to the limiting grooves are symmetrically arranged on the outer walls at both ends of the filter element.

2. The water purifier according to claim 1, characterized in that: A wastewater drainage pipe is integrally formed on the integrated waterway plate, and one end of the wastewater drainage pipe is connected to the wastewater discharge end of the second filter element via a wastewater valve.

3. The water purifier according to claim 1 or 2, characterized in that: The integrated waterway plate is provided with a plurality of elastic seats having the same number as the connecting seats, and rotating shafts are symmetrically provided on the outer walls at both ends of each connecting seat, and each connecting seat is correspondingly inserted into the rotating shaft holes provided at both ends of the elastic seat through the rotating shafts, and is rotatably connected to the elastic seat.

4. The water purifier according to claim 3, characterized in that: A spring block mounting groove is arranged in the connecting seat, and spring block slots and spring block pressure plates are arranged in the connecting seat on both sides of the spring block mounting groove, and spring block insertion holes corresponding to the spring block slots are arranged on the spring block pressure plates. The spring block is placed in the spring block mounting groove, and the insertion rods symmetrically arranged on the two side walls of the spring block are correspondingly inserted into the spring block slots and the spring block insertion holes, so that the spring block can rotate relatively in the spring block mounting groove.

5. The water purifier according to claim 1, characterized in that: The elastic member is a spring, one end of which is placed in a spring mounting hole on the elastic block.

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