Water purifier with water inlet multi-stage filtering structure for coating production

Abstract

The utility model belongs to the technical field of water purifiers, and particularly relates to a water purifier with a water inlet multi-stage filtering structure for coating production, which comprises a water purifier body, a filter cartridge is mounted in a cavity of the water purifier body, and a water inlet pipe and a water outlet pipe are respectively mounted on two sides of the top end of the water purifier body. A filter box is mounted on the side wall, close to the water inlet pipe, of the water purifier body and is also connected with the water inlet pipe, a first filter screen, a second filter screen and a third filter screen are sequentially mounted in the filter box from top to bottom, and a fourth filter screen is mounted at the joint of the filter box and the water inlet pipe; according to the utility model, through the use of the filter box, when source water flows in from the water inlet pipe, the source water is subjected to multi-stage filtration by the first filter screen, the second filter screen, the third filter screen and the activated carbon in the filter box, so that the pollution degree of the source water is reduced, the problem of blockage of the filter element is also reduced, and the condition of thread abrasion caused by disassembly and assembly of the filter cartridge is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of pure water machines, and particularly relates to a pure water machine with a multi-stage filtering structure at the water inlet for coating production. Background Technique

[0002] A pure water machine refers to a water purification device that removes or reduces salts in water (mainly strong electrolytes dissolved in water) to a certain extent. The resistivity of the produced pure water (at 25°C) is generally 1.0 - 10.0 μS / cm, and the salt content is 1 - 5 mg / L. A pure water machine is a water purification device that uses multiple-stage filters for water quality purification treatment, and mostly uses physical methods such as filtration, adsorption, and reverse osmosis without adding chemical substances.

[0003] During the use of a pure water machine, impurities in water are often filtered through multiple-stage filters. The pollution degree of the source water often determines the replacement time of the filters. At the same time, the filters are built into the filter cartridges and connected to the pure water machine by means of screw fixation. Frequent replacement of the filter cartridges will cause wear on the screw surfaces, affecting the disassembly and assembly efficiency. In order to better reduce the pollution of the source water, we provide a pure water machine with a multi-stage filtering structure at the water inlet for coating production to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a pure water machine with a multi-stage filtering structure at the water inlet for coating production, aiming to solve the problems in the prior art that during the use of a pure water machine, impurities in water are often filtered through multiple-stage filters, and the pollution degree of the source water often determines the replacement time of the filters. At the same time, the filters are built into the filter cartridges and connected to the pure water machine by means of screw fixation. Frequent replacement of the filter cartridges will cause wear on the screw surfaces, affecting the disassembly and assembly efficiency. In order to better reduce the pollution of the source water, we provide a pure water machine with a multi-stage filtering structure at the water inlet for coating production to solve the above problems.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A pure water machine with a multi-stage filtering structure at the water inlet for coating production, including a pure water machine body. Inside the cavity of the pure water machine body, a filter cartridge is installed. On both sides of the top end of the pure water machine body, a water inlet pipe and a drain pipe are respectively installed. On the side wall of the pure water machine body close to the water inlet pipe, a filter box is installed and the filter box is also connected to the water inlet pipe. Inside the filter box, a first filter screen, a second filter screen, and a third filter screen are installed in sequence from top to bottom. A fourth filter screen is installed at the connection between the filter box and the water inlet pipe. Activated carbon is built into the filter box.

[0006] In order to filter the source water, as an optimization of the pure water machine with a multi-stage filtering structure at the water inlet for coating production in the present utility model, the mesh opening of the first filter screen is larger than that of the second filter screen, the mesh opening of the second filter screen is larger than that of the third filter screen, and the first filter screen, the second filter screen, and the third filter screen are all made of polyethylene.

[0007] In order to prevent the activated carbon from flowing into the pure water machine body along the water inlet pipe, as an optimization of the pure water machine with a multi-stage filtering structure at the water inlet for coating production in the present utility model, the fourth filter screen is made of metal, and the fourth filter screen is fixed to the connection between the filter box and the water inlet pipe by screws.

[0008] In order to increase the stability of the filter cartridge, as an optimization of the pure water machine with a multi-stage filtering structure at the water inlet for coating production in the present utility model, a support plate is arranged at the bottom end of the filter cartridge inside the cavity of the pure water machine body, and fixing blocks are installed on both sides inside the cavity of the pure water machine body. There are two fixing blocks, and grooves are installed on the side walls of the two fixing blocks corresponding to each other.

[0009] In order to facilitate the fixing of the support plate, as an optimization of the pure water machine with a multi-stage filtering structure at the water inlet for coating production in the present utility model, a fixing pin is inserted into the fixing block, and a spring is sleeved on the surface of the fixing pin.

[0010] In order to facilitate the fixing of the support plate, as an optimization of the pure water machine with a multi-stage filtering structure at the water inlet for coating production in the present utility model, the fixing pin and the fixing block form an elastic telescopic connection through the spring, and insertion holes adapted to the fixing pins are opened at both ends of the support plate.

[0011] Compared with the prior art, the beneficial effects of the present utility model are:

[0012] 1. By using the filter box in the present utility model, when the source water flows in from the water inlet pipe, it is subjected to multi-stage filtering by the first filter screen, the second filter screen, the third filter screen, and the activated carbon inside the filter box, reducing the pollution degree of the source water, and at the same time reducing the problem of blockage of the filter element, and avoiding the situation of thread wear caused by disassembling and assembling the filter cartridge;

[0013] 2. Through the cooperation of the support plate and the fixing block in the present utility model, the support plate supports the bottom end of the filter cartridge, avoiding the situation of the filter cartridge shaking caused by the flow of water in the filter cartridge, and thus improving the stability of the filter cartridge during use. Description of the Drawings

[0014] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0015] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0016] Figure 2 This is a schematic diagram of the bottom view structure of the main body of the present utility model;

[0017] Figure 3 This is a schematic diagram of the sectional structure of the filter box of the present utility model;

[0018] Figure 4 This is a schematic diagram of the sectional structure of the filter box and the connection structure of the activated carbon of the present utility model;

[0019] Figure 5 This is a schematic diagram of the connection structure of the support plate and the fixing block of the present utility model;

[0020] Figure 6 For the present utility model Figure 5 The enlarged structure diagram at position A in.

[0021] In the figure: 1, pure water machine body; 2, water inlet pipe; 3, filter box; 4, drain pipe; 5, support plate; 6, fixing block; 7, filter cartridge; 8, first filter screen; 9, second filter screen; 10, third filter screen; 11, fourth filter screen; 12, activated carbon; 13, fixing pin; 14, spring; 15, groove. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment 1

[0024] Please refer to Figures 1-6 , the present utility model provides the following technical solutions: A pure water machine with a multi-stage water inlet filtration structure for paint production, including a pure water machine body 1, a filter cartridge 7 is installed inside the cavity of the pure water machine body 1, a water inlet pipe 2 and a drain pipe 4 are respectively installed on both sides of the top of the pure water machine body 1, a filter box 3 is installed on the side wall of the pure water machine body 1 close to the water inlet pipe 2 and the filter box 3 is also connected to the water inlet pipe 2, a first filter screen 8, a second filter screen 9 and a third filter screen 10 are installed in the filter box 3 from top to bottom in sequence, a fourth filter screen 11 is installed at the connection of the filter box 3 and the water inlet pipe 2, and activated carbon 12 is built in the filter box 3.

[0025] In the embodiment, the working principle of the pure water machine body 1 is described. During the coating production process, pure water is added. First, the source water flows in from the water inlet pipe 2, and then passes through the filter cartridge 7 installed inside the cavity of the pure water machine body 1 and is filtered by the reverse osmosis physical method. The reverse osmosis physical method is an existing mature technology, so it will not be elaborated here. The filtered pure water is discharged from the drain pipe 4 for coating production and processing.

[0026] Embodiment Two

[0027] Please refer to Figures 1-6 , the mesh size of the first filter screen 8 is larger than that of the second filter screen 9, and the mesh size of the second filter screen 9 is larger than that of the third filter screen 10. The first filter screen 8, the second filter screen 9, and the third filter screen 10 are all made of polyethylene.

[0028] Preferably: The fourth filter screen 11 is made of metal, and the fourth filter screen 11 is fixed at the connection between the filter box 3 and the water inlet pipe 2 by screws.

[0029] In the embodiment, according to what is described in Embodiment One, when the pure water machine body 1 is working, after the source water enters from the water inlet pipe 2, it will first enter the filter box 3. Then, as the source water flows from top to bottom, it will be filtered successively by the first filter screen 8, the second filter screen 9, and the third filter screen 10 inside the filter box 3, and then flow to the activated carbon 12 and be filtered by the activated carbon 12 as well. Then, the source water flows into the filter cartridge 7 along the fourth filter screen 11, thereby reducing the pollution degree of the source water, reducing the problem of filter element blockage, and avoiding the situation of thread wear caused by disassembling and assembling the filter cartridge 7.

[0030] Embodiment Three

[0031] Please refer to Figures 1-6 , a support plate 5 is arranged at the bottom end of the cavity of the pure water machine body 1 and inside the filter cartridge 7. On both sides inside the cavity of the pure water machine body 1, fixing blocks 6 are installed. There are two fixing blocks 6, and grooves 15 are installed on the side walls of the two fixing blocks 6 corresponding to each other.

[0032] Preferably: A fixing pin 13 is inserted into the fixing block 6, and a spring 14 is sleeved on the surface of the fixing pin 13.

[0033] Preferably: The fixing pin 13 and the fixing block 6 form an elastic telescopic connection through the spring 14, and insertion holes adapted to the fixing pin 13 are opened at both ends of the support plate 5.

[0034] In the embodiment, as described in Embodiment 1, when the source water passes through the filter cartridge 7, it will swing under the water pressure. Then, the extraction support plate 5 is inserted along the groove 15 on the side wall of the fixed block 6, and then pushed upward. Subsequently, the fixing pin 13 is pulled to make the fixing pin 13 squeeze the spring 14 to contract and deform. When the support plate 5 is pushed to the designated position, the pulled fixing pin 13 is released. At this time, the fixing pin 13 is inserted into the insertion holes at both ends of the support plate 5 under the elastic force of the spring 14, thereby completing the fixation of the support plate 5. Then, the support plate 5 is attached to the bottom end of the filter cartridge 7, avoiding the situation that the water flow causes the filter cartridge 7 to shake when flowing in the filter cartridge 7, thereby improving the stability of the use of the filter cartridge 7.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A pure water machine with a multi-stage filtering structure for the water inlet used in paint production, including a pure water machine body (1), characterized in that: Inside the cavity of the pure water machine body (1), a filter cartridge (7) is installed. On both sides of the top of the pure water machine body (1), a water inlet pipe (2) and a drain pipe (4) are respectively installed. On the side wall of the pure water machine body (1) near the water inlet pipe (2), a filter box (3) is installed and the filter box (3) is also connected to the water inlet pipe (2). Inside the filter box (3), a first filter screen (8), a second filter screen (9) and a third filter screen (10) are installed in sequence from top to bottom. At the connection of the filter box (3) and the water inlet pipe (2), a fourth filter screen (11) is installed. Inside the filter box (3), activated carbon (12) is built in.

2. A pure water machine with a multi-stage filtration structure for the water inlet used in paint production according to claim 1, characterized in that: The mesh size of the first filter screen (8) is larger than that of the second filter screen (9), and the mesh size of the second filter screen (9) is larger than that of the third filter screen (10). The first filter screen (8), the second filter screen (9) and the third filter screen (10) are all made of polyethylene.

3. A pure water machine with a multi-stage filtering structure for the water inlet used in paint production according to claim 1, characterized in that: The fourth filter screen (11) is made of metal, and the fourth filter screen (11) is fixed to the connection of the filter box (3) and the water inlet pipe (2) by screws.

4. A pure water machine with a multi-stage filtration structure for the water inlet used in paint production according to claim 1, characterized in that: Inside the cavity of the pure water machine body (1) and at the bottom end of the filter cartridge (7), a support plate (5) is provided. On both sides inside the cavity of the pure water machine body (1), fixing blocks (6) are installed. There are two fixing blocks (6), and grooves (15) are installed on the corresponding side walls of the two fixing blocks (6).

5. A pure water machine with a multi-stage filtering structure at the water inlet for coating production according to claim 4, characterized in that: A fixing pin (13) is inserted into the fixing block (6), and a spring (14) is sleeved on the surface of the fixing pin (13).

6. A pure water machine with a multi-stage filtering structure at the water inlet for paint production according to claim 5, characterized in that: The fixing pin (13) and the fixing block (6) form an elastic telescopic connection through the spring (14), and insertion holes adapted to the fixing pins (13) are opened at both ends of the support plate (5).

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