Filtering and purifying device

Abstract

The utility model relates to the technical field of filters, and discloses a filtering and purifying device which comprises a kettle body, vent holes are formed in the upper surface of the kettle body, air outlet holes are formed in the outer side of the lower end of the kettle body, and supporting legs are fixedly installed on the lower surface of the kettle body. The reaction kettle is characterized in that a fixing mechanism is arranged in the kettle body, a positioning mechanism is arranged in the kettle body, and a filter screen plate is clamped in the kettle body. According to the filtering and purifying device, a filter screen plate is moved to a proper position, a fixed block is moved, a sliding cylinder enables the fixed block to move better, the fixed block moves to a fixed groove in a kettle body, a limiting ball is further extruded by the fixed block to enable a telescopic spring to be compressed, and after the fixed block moves to a certain distance, the fixed block is fixed to the kettle body. And the limiting balls are reset under the action of the telescopic springs, so that the limiting balls are clamped in the positioning holes to limit the fixing blocks, and the filter screen plate is convenient to mount and replace.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, and specifically relates to a filtering and purification device. Background Technique

[0002] Hydrogen is the lightest gas known in the world. Under normal temperature and pressure, hydrogen is a gas that is extremely flammable, colorless, transparent, odorless, and tasteless. Hydrogen is also a secondary energy source, and as an energy source, it has attracted more and more attention. In some hydrogen filtering devices, impurities contained in hydrogen are mainly adsorbed and filtered through filters.

[0003] According to a publicly disclosed high-pressure hydrogen filtering and purification device (publication number: CN 215692584 U), in the above application, the cooperation of a clamping plate and a spring is used to firmly fix the filtering component in the purification box, and it can be quickly opened to take out the filtering component for replacement, reducing the replacement time and improving work efficiency.

[0004] However, during the actual use of the above device, when replacing the filter screen, it is necessary to disassemble it on the outer wall of the filtering device. Such a setting requires a sealing structure to be arranged on the outside of the filtering device, and the sealing mechanism may be damaged after long-term use, which is not conducive to the sealing of hydrogen purification. In view of this, we have proposed a filtering and purification device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a filtering and purification device to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A filtering and purification device, including a kettle body, a ventilation hole is opened on the upper surface of the kettle body, an air outlet hole is opened on the outer side of the lower end of the kettle body, support legs are fixedly installed on the lower surface of the kettle body, a fixing mechanism is arranged inside the kettle body, a positioning mechanism is arranged inside the kettle body, and the fixing mechanism includes:

[0007] A filter screen plate, the filter screen plate is clamped inside the kettle body, a moving groove is opened on the arc surface of the filter screen plate, a fixing block is slidably connected inside the filter screen plate, a positioning hole is opened on the outer side of the fixing block, and a moving hole is opened on the inner wall of the filter screen plate;

[0008] A telescopic spring, one end of the telescopic spring is fixedly connected to the inner wall of the moving hole, the other end of the telescopic spring is fixedly connected to a limiting ball, a sliding groove is opened on the inner wall of the moving groove, and a sliding cylinder is fixedly connected to the inner wall of the sliding groove.

[0009] Preferably, the positioning mechanism includes a positioning block, the positioning block is fixedly installed on the inner wall of the kettle body, the lower surface of the filter screen plate is fixedly connected with a mounting block, a mounting groove is formed on the upper surface of the positioning block, an elastic groove is formed on the inner wall of the mounting groove, an elastic sheet is fixedly installed on the inner wall of the elastic groove, and a wavy belt is fixedly installed on the surface of the elastic sheet.

[0010] Preferably, the cross-sectional shape of the mounting groove is adapted to the shape of the mounting block, and the height of the elastic sheet is adapted to the height of the elastic groove.

[0011] Preferably, there are two moving holes, and the two moving holes are arranged in a linear array on the inner wall of the filter screen plate, and the diameter of the limiting ball is adapted to the diameter of the moving hole.

[0012] Preferably, a fixing groove is formed on the inner wall of the kettle body, the cross-sectional shape of the fixing block is L-shaped, and the lower end of the fixing block is larger than the upper end of the fixing block. The shape of the fixing groove is adapted to the lower end of the fixing block, and the outer arc surface of the lower end of the fixing block is adapted to the arc surface of the filter screen plate.

[0013] Preferably, the length of the sliding groove is adapted to the length of the sliding cylinder, and the number of the sliding cylinders is set to be several. The several sliding cylinders are fixedly installed in the sliding groove in a linear array.

[0014] Compared with the prior art, the present utility model provides a filtering and purification device, which has the following beneficial effects:

[0015] 1. For this filtering and purification device, by setting a fixing mechanism, the filter screen plate is moved to a suitable position, the fixing block is moved, and the sliding cylinder enables the fixing block to move better. The fixing block moves to the fixing groove on the kettle body. Further, the limiting ball is squeezed by the fixing block to compress the telescopic spring. After the fixing block moves a certain distance, the limiting ball is reset under the action of the telescopic spring, so that the limiting ball is clamped in the positioning hole to limit the fixing block, which is convenient for the installation and replacement of the filter screen plate.

[0016] 2. For this filtering and purification device, by setting a positioning mechanism, when the filter screen plate moves inside the kettle body, when it moves a certain distance, the mounting block is clamped into the inside of the positioning block, and the elastic sheet on the mounting block clamps both sides of the positioning block to make the mounting block stable, which is convenient for the installation of the filter screen plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional schematic diagram of the structure of the present utility model;

[0018] Figure 2 is a partial cross-sectional three-dimensional schematic diagram of the structure of the present utility model;

[0019] Figure 3 This is a three-dimensional schematic diagram of the structure explosion of the present utility model;

[0020] Figure 4 This is a three-dimensional schematic diagram of the cross-section of the fixing mechanism of the structure of the present utility model;

[0021] Figure 5 This is a three-dimensional schematic diagram of the cross-section of the positioning block of the structure of the present utility model.

[0022] In the figure: 1. Kettle body; 2. Support legs; 3. Fixing mechanism; 301. Filter screen plate; 302. Fixing block; 303. Positioning hole; 304. Moving groove; 305. Moving hole; 306. Telescopic spring; 307. Limiting ball; 308. Sliding groove; 309. Sliding cylinder; 4. Positioning mechanism; 401. Positioning block; 402. Mounting block; 403. Mounting groove; 404. Elastic sheet; 405. Wave band; 406. Elastic groove; 5. Vent hole; 6. Air outlet hole. Specific embodiments

[0023] As Figures 1-5 shown, the present utility model provides a technical solution: a filtering and purification device, including a kettle body 1, a vent hole 5 is opened on the upper surface of the kettle body 1, an air outlet hole 6 is opened on the outer side of the lower end of the kettle body 1, support legs 2 are fixedly installed on the lower surface of the kettle body 1, a fixing mechanism 3 is arranged inside the kettle body 1, a positioning mechanism 4 is arranged inside the kettle body 1, and the fixing mechanism 3 includes a filter screen plate 301, a fixing block 302, a positioning hole 303, a moving groove 304, a moving hole 305, a telescopic spring 306, a limiting ball 307, a sliding groove 308, and a sliding cylinder 309.

[0024] In an embodiment of the present utility model, a filter screen plate 301 is clamped inside the kettle body 1, a moving groove 304 is opened on the arc surface of the filter screen plate 301, a fixing block 302 is slidably connected inside the filter screen plate 301, a positioning hole 303 is opened on the outer side of the fixing block 302, a moving hole 305 is opened on the inner wall of the filter screen plate 301, one end of a telescopic spring 306 is fixedly connected to the inner wall of the moving hole 305, the other end of the telescopic spring 306 is fixedly connected to a limiting ball 307, a sliding groove 308 is opened on the inner wall of the moving groove 304, and a sliding cylinder 309 is fixedly connected to the inner wall of the sliding groove 308.

[0025] In addition, the positioning mechanism 4 includes a positioning block 401, the positioning block 401 is fixedly installed on the inner wall of the kettle body 1, the lower surface of the filter screen plate 301 is fixedly connected with a mounting block 402, a mounting groove 403 is formed on the upper surface of the positioning block 401, an elastic groove 406 is formed on the inner wall of the mounting groove 403, an elastic piece 404 is fixedly installed on the inner wall of the elastic groove 406, a corrugated belt 405 is fixedly installed on the surface of the elastic piece 404, the cross-sectional shape of the mounting groove 403 is adapted to the shape of the mounting block 402, and the height of the elastic piece 404 is adapted to the height of the elastic groove 406.

[0026] In the embodiment of the present utility model, two moving holes 305 are provided to limit the initial position and the final position of the fixing block 302. The two moving holes 305 are arranged in a linear array on the inner wall of the filter screen plate 301. The diameter of the limiting ball 307 is adapted to the diameter of the moving hole 305. The initial position of the limiting ball 307 simply limits the fixing block 302, facilitating the movement of the fixing block 302. A fixing groove is formed on the inner wall of the kettle body 1. The cross-sectional shape of the fixing block 302 is L-shaped, and the lower end of the fixing block 302 is larger than the upper end of the fixing block 302. The shape of the fixing groove is adapted to the lower end of the fixing block 302. The outer arc surface of the lower end of the fixing block 302 is adapted to the arc surface of the filter screen plate 301, facilitating the clamping of the inner wall of the kettle body 1 by the fixing block 302. The length of the sliding groove 308 is adapted to the length of the sliding cylinder 309, and the number of the sliding cylinders 309 is set to be several. The several sliding cylinders 309 are fixedly installed in the sliding groove 308 in a linear array, facilitating the movement of the fixing block 302.

[0027] In the present utility model, during use, when the filter screen plate 301 moves to a suitable position, the fixing block 302 is moved. The sliding cylinder 309 enables the fixing block 302 to move better. The fixing block 302 moves to the fixing groove on the kettle body 1. Further, the limiting ball 307 is pressed by the fixing block 302 to compress the telescopic spring 306. After the fixing block 302 moves a certain distance, the limiting ball 307 is reset under the action of the telescopic spring 306, so that the limiting ball 307 is clamped in the positioning hole 303 to limit the fixing block 302, facilitating the installation and replacement of the filter screen plate 301.

[0028] Furthermore, when the filter screen plate 301 moves inside the kettle body 1, when it moves a certain distance, the mounting block 402 is clamped into the positioning block 401. The elastic piece 404 on the mounting block 402 clamps both sides of the positioning block 401 to stabilize the mounting block 402, facilitating the installation of the filter screen plate 301.

[0029] The above has generally described the present utility model in detail. However, based on the present utility model, some modifications or improvements can be made thereto, which are obvious to those of ordinary skill in the art. Therefore, modifications or improvements made without departing from the spirit and idea of the present utility model are all within the protection scope of the present utility model.

Claims

1. A filtering and purification device, comprising a kettle (1), wherein the upper surface of the kettle (1) is provided with a vent hole (5), the lower end of the kettle (1) is provided with an air outlet hole (6), and the lower surface of the kettle (1) is fixedly mounted with a support leg (2), characterized in that: The kettle body (1) is provided with a fixing mechanism (3) inside, and the kettle body (1) is provided with a positioning mechanism (4) inside, and the fixing mechanism (3) comprises: A filter screen plate (301), the filter screen plate (301) is clamped inside the kettle body (1), a movable groove (304) is provided on the arc surface of the filter screen plate (301), the inside of the filter screen plate (301) is slidably connected to a fixed block (302), a positioning hole (303) is provided on the outer side of the fixed block (302), and a movable hole (305) is provided on the inner wall of the filter screen plate (301); A telescopic spring (306), the inner wall of the movable hole (305) is fixedly connected to one end of the telescopic spring (306), the other end of the telescopic spring (306) is fixedly connected to a limiting ball (307), the inner wall of the movable groove (304) is provided with a sliding groove (308), and the inner wall of the sliding groove (308) is fixedly connected to a sliding cylinder (309).

2. A filtering and purification device according to claim 1, characterized in that: The positioning mechanism (4) comprises a positioning block (401), the positioning block (401) is fixedly mounted on the inner wall of the kettle body (1), the lower surface of the filter screen plate (301) is fixedly connected to the mounting block (402), the upper surface of the positioning block (401) is provided with a mounting groove (403), the inner wall of the mounting groove (403) is provided with an elastic groove (406), the inner wall of the elastic groove (406) is fixedly mounted with an elastic sheet (404), and the surface of the elastic sheet (404) is fixedly mounted with a corrugated belt (405).

3. A filtering and purification device according to claim 2, characterized in that: The cross-sectional shape of the mounting groove (403) matches the shape of the mounting block (402), and the height of the elastic sheet (404) matches the height of the elastic groove (406).

4. A filtering and purification device according to claim 1, characterized in that: The movable holes (305) are arranged in two numbers, and the two movable holes (305) are opened in a linear array on the inner wall of the filter screen plate (301), and the diameter of the limiting ball (307) is adapted to the diameter of the movable hole (305).

5. A filtering and purification device according to claim 1, characterized in that: The inner wall of the kettle body (1) is provided with a fixing groove, the cross-section of the fixing block (302) is L-shaped, and the lower end of the fixing block (302) is larger than the upper end of the fixing block (302), the shape of the fixing groove is matched with the lower end of the fixing block (302), and the outer arc surface of the lower end of the fixing block (302) is matched with the arc surface of the filter screen plate (301).

6. A filtering and purification device according to claim 1, characterized in that: The length of the sliding groove (308) is matched with the length of the sliding cylinder (309), and the number of the sliding cylinders (309) is set to be several, and the several sliding cylinders (309) are fixedly installed on the inner wall of the sliding groove (308) in a linear array.

Images