Laboratory air purification device with filter screen convenient to replace

Abstract

The utility model discloses a laboratory air purification device convenient to replace a filter screen, which comprises a purifier, a filter component is mounted in the purifier, a fixing plate is mounted on one side of the purifier, a clamping component is mounted on the fixing plate, the clamping component is matched with the filter component in a locking manner, a mounting groove is formed in one end of the purifier, and the filter screen is mounted in the mounting groove. A check block is arranged on one side of the top end of the mounting groove, and the check block is matched with one side of the top end of the filtering assembly in a clamped mode; the filter assembly comprises a filter frame, the filter frame is inserted into the mounting groove, the handle is arranged at the top end of the filter frame, the two clamping grooves are formed in the two corners of the top end of the filter frame respectively, the locking grooves are evenly formed in one side of the filter frame, and the filter screen body is arranged in the filter frame. The filter screen has the advantages that the filter screen can be conveniently replaced, the operation is simple and quick, and meanwhile, the filter screen can be firmly fixed after being mounted and is prevented from loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification devices, and more specifically, to an air purification device for laboratories with easy replacement of filter screens. Background Art

[0002] The laboratory is a place for conducting experiments. During the experimental operations, waste gas will be generated in the laboratory, which is harmful to the human body and the environment. Therefore, it is necessary to install an air purifier in the laboratory to absorb and purify harmful gases and protect the safety of experimental operators. The filter of the air purifier needs to be cleaned or replaced after being used for a period of time to avoid dust accumulation on its surface affecting subsequent purification work.

[0003] The utility model patent with patent publication number CN211562222U discloses a supporting device for a laboratory air purifier, including a supporting frame, an air purifier, a porous filter, a placement plate, a rotating handle, a load-bearing plate, a bearing seat, a nut seat, a connecting rod, a rotating column and a fixed plug column. The upper end surface of the placement plate is installed with a supporting frame, the air purifier is assembled on the inner side of the supporting frame, the porous filter is installed on the right end surface of the air purifier, a bearing seat is installed on the left side inside the supporting frame, the upper end surface of the bearing seat is connected to the rotating column, the upper end surface of the rotating column is installed with a rotating handle, a nut seat is installed on the lower side of the annular side surface of the rotating column, the right end surface of the nut seat is connected to the connecting rod, the right end surface of the connecting rod is installed with a load-bearing plate, and a fixed plug column is installed on the right side of the front end surface of the supporting frame. This design solves the problem that the adjustment function of the original supporting device of the laboratory air purifier is not good enough. The utility model has a reasonable structure, simple operation, flexible adjustment and convenient use.

[0004] However, in actual use, due to excessive dust accumulation on the filter surface of the air purifier after long-term use, the filter needs to be replaced. The filter in the air purifier is still installed in a traditional way, which is troublesome to disassemble and difficult to replace. Therefore, an air purification device for laboratory use with easy filter replacement is proposed. Utility Model Content

[0005] In order to overcome the above defects of the prior art, the utility model provides an air purification device for a laboratory with easy filter replacement to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air purification device for laboratory use that is easy to replace filters, comprising a purifier, a filter assembly is installed in the purifier, a fixing plate is installed on one side of the purifier, a fixing assembly is installed on the fixing plate, and the fixing assembly is locked with the filter assembly.

[0007] The fixing component is moved closer to the fixing plate to enlarge the opening at the top of the installation slot, and then the filter component is directly inserted into the installation slot, and then the filter component is moved in the direction of the block so that the block blocks the top of one end of the filter component, and the fixing component is released. The fixing component is reset and moved toward the filter component so that the fixing component and the filter component are locked and matched, thereby completing the installation of the filter component. When replacing, the fixing component is removed, and then after moving the filter component, the filter component is lifted up to replace the filter component, that is, the filter screen is replaced. The operation is simple and the operating steps are few, thereby improving the efficiency of replacing the filter screen.

[0008] Preferably, a mounting groove is provided at one end of the purifier, and the filter assembly is inserted into the mounting groove.

[0009] Preferably, a stopper is provided on one side of the top end of the installation groove, and the stopper is snap-fitted with one side of the top end of the filter assembly.

[0010] Preferably, the filter assembly comprises a filter frame, and the filter frame is inserted into the mounting slot;

[0011] A handle, the handle being arranged on the top of the filter frame;

[0012] Two card slots, the two card slots are respectively opened at two corners of the top of the filter frame;

[0013] A plurality of locking grooves, each of which is evenly arranged on one side of the filter frame;

[0014] The filter body is arranged in the filter frame.

[0015] Preferably, the fastening assembly comprises a pressing plate, and the pressing plate is arranged parallel to the inner side of the fixing plate;

[0016] A dial button, the dial button is arranged on the top of the pressure plate;

[0017] A plurality of locking rods, wherein the plurality of locking rods are uniformly welded on one side of the pressing plate, and each locking rod is plugged into and matched with a corresponding locking groove;

[0018] Two guide rods, both of which are bolted to the fixing plate, and the two guide rods are plug-fitted with the pressing plate;

[0019] Two springs, each of which is sleeved on a corresponding guide rod, and both springs are arranged between the fixed plate and the pressure plate.

[0020] Preferably, two ends of the push button protrude from two sides of the pressure plate, and one end of the push button cooperates with the stopper to be pressed on the corresponding slots respectively.

[0021] Technical effects and advantages of the utility model:

[0022] 1. Through the arrangement of the filter frame, the filter body, the locking groove, the pressure plate, the dial button, the locking rod, the guide rod and the spring, compared with the prior art, when the dial button 402 is moved toward the fixed plate 3, the pressure plate 401 at the bottom moves under the guidance of the guide rod 404, and the spring 405 is compressed, so that the opening at the top of the installation groove is enlarged, so as to facilitate the installation and removal of the filter frame, thereby facilitating the removal and installation of the filter body, and the operation is simple, so as to improve the convenience of replacing the filter;

[0023] 2. Through the arrangement of the filter frame, the card slot, the block, the button, the pressure plate, the spring, the guide rod and the dial button, compared with the prior art, the card slot can be filled by the cooperation of the block and the dial button, so that the filter frame can be pressed into the installation slot, thereby improving the fixation of the filter installation, and with the cooperation of the locking rod and the locking slot, the fixation of the filter installation can be further improved. When fixing the filter, the pressure plate can fit on the filter frame, thereby ensuring the sealing of the edge of the filter after installation and ensuring the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0025] Figure 2 It is a schematic diagram of the cross-sectional structure of the purifier of the utility model.

[0026] Figure 3 It is a schematic diagram of the connection structure of the filter component and the fixing component of the utility model.

[0027] Figure 4 It is a structural schematic diagram of the filter assembly of the utility model.

[0028] Figure 5 It is a structural schematic diagram of the clamping assembly of the utility model.

[0029] The figures are marked as follows: 1. purifier; 2. filter assembly; 201. filter frame; 202. handle; 203. slot; 204. lock slot; 205. filter body; 3. fixing plate; 4. fixing assembly; 401. pressure plate; 402. dial button; 403. locking rod; 404. guide rod; 405. spring; 5. stopper. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] As attached Figure 1-5 An air purification device for laboratory use that is easy to replace filters is shown, comprising a purifier 1, a filter assembly 2 is installed in the purifier 1, a fixing plate 3 is installed on one side of the purifier 1, a fixing assembly 4 is installed on the fixing plate 3, the fixing assembly 4 is locked with the filter assembly 2, a mounting groove is opened at one end of the purifier 1, and the filter assembly 2 is inserted into the mounting groove, a stopper 5 is provided on one side of the top of the mounting groove, and the stopper 5 is locked with one side of the top of the filter assembly 2.

[0032] During the specific implementation, the fixing component 4 is moved closer to the fixing plate 3 to enlarge the opening at the top of the installation groove, and then the filter component 2 is directly inserted into the installation groove, and the filter component 2 is moved in the direction of the block 5, so that the block 5 blocks the top of one end of the filter component 2, and the fixing component 4 is released. The fixing component 4 is reset and moved toward the filter component 2, so that the fixing component 4 and the filter component 2 are locked and matched, thereby completing the installation of the filter component 2. When replacing, the fixing component 4 is removed, and then the filter component 2 is moved and the filter component 2 is lifted up, so that the filter component 2 can be replaced, that is, the filter screen can be replaced. The operation is simple and the operation steps are few, thereby improving the efficiency of replacing the filter screen.

[0033] As attached Figure 4 As shown, the filter assembly 2 includes a filter frame 201, and the filter frame 201 is inserted into the installation slot;

[0034] A handle 202, wherein the handle 202 is disposed on the top of the filter frame 201;

[0035] Two card slots 203, the two card slots 203 are respectively opened at two corners of the top of the filter frame 201;

[0036] A plurality of locking slots 204, each of the locking slots 204 is evenly disposed on one side of the filter frame 201;

[0037] The filter body 205 is disposed in the filter frame 201 .

[0038] During specific implementation, a handle 202 is provided on the filter frame 201, and the filter assembly 2 can be moved as a whole by pulling the handle 202. The slot 203 is provided to cooperate with the block 5 and the dial button 402, so that the entire filter assembly 2 is fixed in the installation slot provided in the purifier 1, which can improve the firmness of the installation of the filter assembly 2. The cooperation between the lock slot 204 and the lock rod 403 can further improve the firmness of the installation of the filter assembly 2.

[0039] As attached Figure 5 As shown, the fastening assembly 4 includes a pressing plate 401, and the pressing plate 401 is arranged parallel to the inner side of the fixing plate 3;

[0040] A dial button 402, wherein the dial button 402 is arranged on the top of the pressing plate 401;

[0041] A plurality of locking rods 403, wherein the plurality of locking rods 403 are uniformly welded to one side of the pressing plate 401, and each locking rod 403 is plugged into and matched with a corresponding locking slot 204;

[0042] Two guide rods 404, both of which are bolted to the fixing plate 3, and the two guide rods 404 are plug-fitted with the pressing plate 401;

[0043] Two springs 405 , each of which is sleeved on a corresponding guide rod 404 , and both springs 405 are arranged between the fixing plate 3 and the pressing plate 401 .

[0044] The two ends of the button 402 protrude from the two sides of the pressing plate 401 , and one end of the button 402 cooperates with the stopper 5 to be pressed on the corresponding slot 203 .

[0045] In specific implementation, by moving the dial button 402 toward the fixed plate 3, the bottom pressure plate 401 moves under the guidance of the guide rod 404, and the spring 405 is compressed, thereby increasing the opening at the top of the installation groove, so as to facilitate the installation and disassembly of the filter assembly 2. When the dial button 402 is released, the potential energy of the spring 405 is released, and the pressure plate 401 is pushed, so that the pressure plate 401 fits against one side of the filter frame 201, thereby improving the sealing of the overall installation of the filter assembly 2. At the same time, each locking rod 403 is inserted into the corresponding locking groove 204, and the dial button 402 moves to the corresponding card groove 203, which can fix the installation of the filter assembly 2.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An air purification device for laboratory use with easy filter replacement, comprising a purifier (1), characterized in that: A filter assembly (2) is installed in the purifier (1); a fixing plate (3) is installed on one side of the purifier (1); a fixing assembly (4) is installed on the fixing plate (3); the fixing assembly (4) is locked and matched with the filter assembly (2); a mounting groove is provided at one end of the purifier (1); the filter assembly (2) is inserted into the mounting groove; a stopper (5) is provided on one side of the top of the mounting groove; the stopper (5) is locked and matched with one side of the top of the filter assembly (2); The filter assembly (2) comprises a filter frame (201), and the filter frame (201) is inserted into the installation slot; A handle (202), wherein the handle (202) is arranged on the top of the filter frame (201); Two card slots (203), the two card slots (203) are respectively arranged at two corners of the top of the filter frame (201); A plurality of locking grooves (204), each of the locking grooves (204) being evenly arranged on one side of the filter frame (201); A filter body (205), wherein the filter body (205) is arranged in the filter frame (201).

2. The air purification device for laboratory use with easy filter replacement according to claim 1, characterized in that: The clamping assembly (4) comprises a pressing plate (401), and the pressing plate (401) is arranged parallel to the inner side of the fixing plate (3); A dial button (402), wherein the dial button (402) is arranged on the top of the pressing plate (401); A plurality of locking rods (403), wherein the plurality of locking rods (403) are uniformly welded to one side of the pressing plate (401), and each locking rod (403) is plugged into and matched with a corresponding locking slot (204); Two guide rods (404), both of which are bolted to the fixing plate (3), and the two guide rods (404) are plug-fitted to the pressing plate (401); Two springs (405), each of the springs (405) is sleeved on a corresponding guide rod (404), and the two springs (405) are both arranged between the fixed plate (3) and the pressure plate (401).

3. The air purification device for laboratory use with easy filter replacement according to claim 2, characterized in that: The two ends of the push button (402) protrude from the two sides of the pressure plate (401), and one end of the push button (402) cooperates with the stopper (5) and is respectively pressed on the corresponding slot (203).

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