Water purifier capable of conveniently replacing filter element for laboratory

Abstract

The utility model discloses a laboratory water purifier capable of conveniently replacing a filter element, which comprises a water purifier body, the upper part of the water purifier body is provided with pure water filtering equipment, and the lower part of the water purifier body is provided with a groove; a pure water filtering device arranged at the upper part of the water purifier body is provided with three filtering joints which penetrate through and extend into a groove formed in the lower part of the water purifier body, and the sides, close to each other, of the inner walls of the two sides of the groove formed in the lower part of the water purifier body are connected with a mounting seat in a sliding manner. According to the water purifier capable of conveniently replacing the filter elements for the laboratory, the filter cartridges, the mounting seats and the like are arranged, so that the three filter cartridges can be placed in placement grooves formed in the corresponding mounting seats, and the filter sequence of the filter cartridges is prevented from being mistakenly mounted; the filter cartridge can be installed on the filter connector, installation is convenient, and corresponding tools are not needed in the installation process.

Description

Technical Field

[0001] The utility model relates to the technical field of pure water machines, in particular to a pure water machine for laboratories that can conveniently replace filter elements. Background Technique

[0002] Pure water machines are very important instrument and equipment in laboratories. Pure water machines use multiple-stage filter elements for water quality purification treatment, and can remove or reduce salts in water (mainly strong electrolytes dissolved in water) to a certain extent. The resistivity of the produced pure water (25 °C) is generally 1.0 - 10.0 μS / cm, and the salt content is 1 - 5 mg / L.

[0003] Most of the filter cartridges of traditional pure water machines are rotated on the filter through threads. When turning the filter cartridge onto the filter, in order to make it firm, corresponding tools are also needed, and the installation is relatively troublesome. At the same time, due to the existence of filter cartridges and the threads on the filter cartridges are all the same, when placing the corresponding filter elements in the filter cartridges and installing them, mistakes are often made. If the filtering sequence is wrong, it may affect the water filtration of the pure water machine, and then may affect the accuracy of the experiment, and the experimental effect will be greatly reduced. Content of the Utility Model

[0004] The purpose of the utility model is to provide a pure water machine for laboratories that can conveniently replace filter elements in view of the deficiencies of the prior art, so as to solve the problems raised in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A pure water machine for laboratories that can conveniently replace filter elements, including a pure water machine body. A pure water filtration device is arranged on the upper part of the pure water machine body. A groove is arranged on the lower part of the pure water machine body, and three filter connectors penetrate through and extend into the groove opened on the lower part of the pure water machine body are arranged on the pure water filtration device arranged on the upper part of the pure water machine body. On both inner walls of the groove opened on the lower part of the pure water machine body that are close to each other, a mounting seat is slidably connected. The top surface of the mounting seat is evenly provided with three placement grooves, and three filter cartridges are placed in the three placement grooves. Three semi-circles, three triangles and three rectangles are respectively and evenly arranged on the lower outer circles of the three filter cartridges. Semi-circular grooves, triangular grooves and rectangular grooves that match the three semi-circles, triangles and three rectangles arranged on the lower outer circles of the three filter cartridges are evenly arranged on the inner circles of the three placement grooves opened on the top of the mounting seat.

[0006] As a preferred technical solution of the utility model, an installation cavity is opened on the lower part of the pure water machine body, and a mounting plate is welded on the bottom inner wall of the installation cavity. A double-shaft motor is fixedly installed on the top surface of the mounting plate through bolts.

[0007] As a preferred technical solution of the utility model, support plates are welded on both sides of the inner wall of the bottom of the installation cavity opened at the lower part of the pure water machine body, and the output ends on both sides of the double-shaft motor respectively penetrate through the two support plates.

[0008] As a preferred technical solution of the utility model, first bevel gears are installed at the ends where the output ends on both sides of the double-shaft motor penetrate through one end of the support plate, and threaded rods are rotatably connected to both sides of the top inner wall of the groove opened at the upper part of the pure water machine body, penetrating through the mounting seat and extending into the installation cavity opened at the lower part of the pure water machine body.

[0009] As a preferred technical solution of the utility model, second bevel gears are installed at one ends of the two threaded rods located in the installation cavity opened at the lower part of the pure water machine body, and the second bevel gears are meshed with the first bevel gears.

[0010] As a preferred technical solution of the utility model, threaded holes matching with the threaded rods are opened on both sides of the top of the mounting seat, a sealing ring is installed on the top surface of the filter cartridge, and a sealing groove matching with the sealing ring is opened at the bottom of the filter joint.

[0011] As a preferred technical solution of the utility model, a water inlet pipe extending to the outside of the pure water machine body is installed on the left side of the pure water filtration device arranged at the upper part of the pure water machine body, and a water outlet pipe extending to the outside of the pure water machine body is installed on the right side of the pure water filtration device arranged at the upper part of the pure water machine body.

[0012] As a preferred technical solution of the utility model, a display screen is installed on one side of the front of the upper part of the pure water machine body, a box door is installed at the groove opened at the lower part of the pure water machine body, and a handle is installed on the box door.

[0013] Compared with the prior art, the utility model provides a pure water machine for laboratory use that can conveniently replace the filter element, and has the following beneficial effects:

[0014] 1. For the pure water machine for laboratory use that can conveniently replace the filter element, by setting the filter cartridge and the mounting seat, etc., the corresponding filter element can be placed in the corresponding filter cartridge. Since semicircles, triangles and rectangles are respectively arranged on the outer circles of the three filter cartridges, and semicircular grooves, triangular grooves and rectangular grooves corresponding to them are opened on the inner walls of the placement grooves opened on the mounting seat, the three filter cartridges can be placed in the placement grooves opened on the corresponding mounting seats, preventing the wrong installation order of the filter cartridges.

[0015] 2. The water purifier for laboratory use with a filter element that can be conveniently replaced. By setting a dual-axis motor, a mounting seat, a filter cartridge, etc., the dual-axis motor can be turned on, and the threaded rod can be driven to rotate through the first bevel gear and the second bevel gear. Thus, the filter cartridge can be lifted upward by the mounting seat, and the filter cartridge can be installed on the filter connector, which is relatively convenient for installation and avoids the need for corresponding tools during installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 is a schematic diagram of the sectional structure of the lower part of the water purifier of the present invention;

[0018] Figure 3 is a schematic diagram of the structure of the filter cartridge and the mounting seat of the present invention.

[0019] Reference numerals: 1, water purifier body; 2, display screen; 3, water outlet pipe; 4, cabinet door; 5, handle; 6, water inlet pipe; 7, mounting seat; 8, dual-axis motor; 9, mounting plate; 10, support plate; 11, first bevel gear; 12, second bevel gear; 13, threaded rod; 14, filter cartridge; 15, filter connector; 16, sealing ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-3, in this implementation: A pure water machine for laboratory use with a conveniently replaceable filter element, including a pure water machine body 1. A pure water filtration device is provided at the upper part of the pure water machine body 1, and the water can be filtered through the installed filter element. A groove is provided at the lower part of the pure water machine body 1, and three filter joints 15 that penetrate and extend into the groove opened at the lower part of the pure water machine body 1 are provided on the pure water filtration device provided at the upper part of the pure water machine body 1. By connecting the filter cartridge 14 to the filter joint 15, it is possible to filter the water through the filter element in the filter cartridge 14. On the mutually approaching sides of the inner walls of both sides of the groove opened at the lower part of the pure water machine body 1, a mounting seat 7 is slidably connected. Three placement grooves are evenly opened on the top surface of the mounting seat 7, and three filter cartridges 14 are placed in the three placement grooves. Three semi - circles, three triangles, and three rectangles are evenly provided on the lower outer parts of the three filter cartridges 14 respectively. Semi - circular grooves, triangular grooves, and rectangular grooves that match the three semi - circles, three triangles, and three rectangles provided on the lower outer parts of the three filter cartridges 14 are evenly provided on the inner circles of the three placement grooves opened on the top of the mounting seat 7. Since semi - circles, triangles, and rectangles are respectively provided on the outer circles of the three filter cartridges 14, and corresponding semi - circular grooves, triangular grooves, and rectangular grooves are opened on the inner walls of the placement grooves provided on the mounting seat 7, it is possible to place the three filter cartridges 14 in the corresponding placement grooves opened on the mounting seat 7, prevent the wrong installation order of the filter cartridges 14, and at the same time, the three groups of filter cartridges 14 can be made into three colors respectively for easy distinction.

[0022] In this embodiment, an installation cavity is formed in the lower part of the pure water machine body 1, and a mounting plate 9 is welded to the bottom inner wall of the installation cavity. A double-shaft motor 8 is fixedly installed on the top surface of the mounting plate 9 through bolts. On both sides of the bottom inner wall of the installation cavity formed in the lower part of the pure water machine body 1, support plates 10 are welded. The output ends on both sides of the double-shaft motor 8 respectively penetrate through the two support plates 10, which can play a role in supporting the output ends of the double-shaft motor 8. First bevel gears 11 are installed at the ends of the output ends on both sides of the double-shaft motor 8 penetrating through the support plates 10. On both sides of the top inner wall of the groove formed in the upper part of the pure water machine body 1, threaded rods 13 are rotatably connected and extend into the installation cavity formed in the lower part of the pure water machine body 1 through the mounting seats 7. Second bevel gears 12 are installed at one ends of the two threaded rods 13 located in the installation cavity formed in the lower part of the pure water machine body 1, and the second bevel gears 12 are engaged with the first bevel gears 11. By starting the double-shaft motor 8, the threaded rods 13 can be driven to rotate through the first bevel gears 11 and the second bevel gears 12. Threaded holes matching the threaded rods 13 are formed on both sides of the top of the mounting seat 7. When the threaded rods 13 rotate, the mounting seat 7 can be moved up and down. A sealing ring 16 is installed on the top surface of the filter cartridge 14, and a sealing groove matching the sealing ring 16 is formed at the bottom of the filter joint 15, which can prevent leakage when the filter cartridge 14 is connected to the filter joint 15. A water inlet pipe 6 extending to the outside of the pure water machine body 1 is installed on the left side of the pure water filtration device arranged on the upper part of the pure water machine body 1, and a water outlet pipe 3 extending to the outside of the pure water machine body 1 is installed on the right side of the pure water filtration device arranged on the upper part of the pure water machine body 1. A display screen 2 is installed on one side of the front of the upper part of the pure water machine body 1. A box door 4 is installed at the groove formed in the lower part of the pure water machine body 1, and a handle 5 is installed on the box door 4. The box door 4 can be opened through the handle 5.

[0023] Working principle and usage process of the present utility model: For this laboratory pure water machine that can conveniently replace the filter element, when the filter element on the pure water machine body 1 needs to be replaced, first, the box door 4 can be opened through the handle 5, and then the double-shaft motor 8 can be started. The threaded rods 13 can be driven to rotate through the first bevel gears 11 and the second bevel gears 12, and then the mounting seat 7 can be moved downward. At this time, the corresponding filter element can be placed in the corresponding filter cartridge 14. Since semi-circular, triangular, and rectangular shapes are respectively arranged on the outer circles of the three filter cartridges 14, and semi-circular grooves, triangular grooves, and rectangular grooves are formed on the inner walls of the placement grooves formed on the mounting seat 7, the three filter cartridges 14 can be placed in the placement grooves formed on the corresponding mounting seats 7, preventing the wrong installation order of the filter cartridges 14. Then, the double-shaft motor 8 can be started, and the threaded rods 13 can be driven to rotate through the first bevel gears 11 and the second bevel gears 12, so that the filter cartridges 14 can be supported by the mounting seat 7 and moved upward, and the filter cartridges 14 can be installed on the filter joints 15. The installation is relatively convenient, avoiding the need for corresponding tools during installation.

[0024] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements on some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A pure water machine for laboratory use with a filter element that can be conveniently replaced, comprising a pure water machine body (1), characterized in that: The upper part of the pure water machine body (1) is provided with a pure water filtration device. The lower part of the pure water machine body (1) is provided with a groove, and three filter joints (15) that penetrate and extend into the groove opened in the lower part of the pure water machine body (1) are provided on the pure water filtration device arranged on the upper part of the pure water machine body (1). On both inner walls of the groove opened in the lower part of the pure water machine body (1) close to each other, a mounting seat (7) is slidably connected. On the top surface of the mounting seat (7), three placing grooves are evenly opened. Filter cartridges (14) are placed in the three placing grooves. And on the lower outer parts of the outer circles of the three filter cartridges (14), three semi - circles, three triangles and three rectangles are evenly arranged respectively. On the inner circles of the three placing grooves opened on the top of the mounting seat (7), semi - circular grooves, triangular grooves and rectangular grooves that match the three semi - circles, triangles and three rectangles arranged on the lower outer parts of the outer circles of the three filter cartridges (14) are evenly arranged.

2. The water purifier for laboratory use with a filter element that can be conveniently replaced according to claim 1, wherein: An installation cavity is opened in the lower part of the pure water machine body (1), and a mounting plate (9) is welded to the bottom inner wall of the installation cavity. A double - shaft motor (8) is fixedly installed on the top surface of the mounting plate (9) by bolts.

3. The water purifier for laboratory use with a filter element that can be conveniently replaced according to claim 2, wherein: On both sides of the bottom inner wall of the installation cavity opened in the lower part of the pure water machine body (1), support plates (10) are welded. The two output ends of the double - shaft motor (8) respectively penetrate through the two support plates (10).

4. A pure water machine for laboratory use with a filter element that can be conveniently replaced, characterized in that: On one end of each of the two output ends of the double - shaft motor (8) penetrating through the support plate (10), a first bevel gear (11) is installed. On both sides of the top inner wall of the groove opened in the upper part of the pure water machine body (1), threaded rods (13) that penetrate through the mounting seat (7) and extend into the installation cavity opened in the lower part of the pure water machine body (1) are rotatably connected.

5. A pure water machine for laboratory use with a filter element that can be conveniently replaced, characterized in that: On one end of each of the two threaded rods (13) located in the installation cavity opened in the lower part of the pure water machine body (1), a second bevel gear (12) is installed, and the second bevel gear (12) meshes with the first bevel gear (11).

6. The water purifier for laboratory use with a filter element that can be conveniently replaced according to claim 1, wherein: Threaded holes that match the threaded rods (13) are opened on both sides of the top of the mounting seat (7). A sealing ring (16) is installed on the top surface of the filter cartridge (14). A sealing groove that matches the sealing ring (16) is opened at the bottom of the filter joint (15).

7. A pure water machine for laboratory use with a filter element that can be conveniently replaced, characterized in that: On the left side of the pure water filtration device arranged on the upper part of the pure water machine body (1), a water inlet pipe (6) that extends to the outside of the pure water machine body (1) is installed. And on the right side of the pure water filtration device arranged on the upper part of the pure water machine body (1), a water outlet pipe (3) that extends to the outside of the pure water machine body (1) is installed.

8. A pure water machine for laboratory use with a filter element that can be conveniently replaced, characterized in that: On one side of the front of the upper part of the pure water machine body (1), a display screen (2) is installed. A box door (4) is installed at the groove opened in the lower part of the pure water machine body (1), and a handle (5) is installed on the box door (4).

Images