A chemical filter effective to increase the contact area

Abstract

The application relates to the technical field of filters, in particular to an effective chemical filter capable of increasing contact area, which comprises a shell, a conveying mechanism is installed on the shell, a filtering mechanism is installed in the shell, a resisting mechanism is installed on the shell, a locking mechanism is installed on the resisting mechanism, a sealing mechanism is installed on the filtering mechanism, and a protection mechanism is installed on the shell. The conveying mechanism is beneficial to conveying gas, and the filtering mechanism is used for adsorbing and treating harmful substances in the gas. The sealing mechanism seals the connection of the filtering mechanism under the resistance of the filtering mechanism. The locking mechanism and the resisting mechanism are matched, the filtering mechanism is tightly resisted, different numbers of filtering mechanisms can be conveniently installed, the filtering mechanism is firmly and stably resisted, the protection mechanism is installed to realize the closure of the conveying mechanism, the protection mechanism is resisted after the resisting mechanism is installed, and the conveying mechanism is controlled to be conducted.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of filter, in particular to a chemical filter capable of effectively increasing contact area. BACKGROUND

[0002] The chemical filter is an innovative, efficient and energy-saving chemical filtering product, mainly used for processing air odor, toxic and harmful and corrosive gas in the new type of air purification equipment, and most of the chemical filter is used for gas filtering and purification, air filtering in public places such as airports, hospitals and office buildings, the chemical filter can effectively remove the odor in the air, and the chemical filter can remove the sulfur oxide in the air in places such as museums, archives and libraries, so as to protect the collection from damage, and the central controller of chemical industry, petrochemical industry and steel industry can be used to protect precision instruments from corrosive gas.

[0003] At present, in the process of using the chemical filter, the filtering area of the chemical adsorption layer in the filter contacting with the gas is limited, the adsorption of harmful substances in the air is less, and the filtering efficiency of the filter for the gas is reduced, so it is urgent to use the chemical filter capable of effectively increasing the contact area to solve the above problems, and the chemical adsorption layer in the filter is quantitatively installed, when filtering harmful gas with different concentrations, it is inconvenient to add the chemical adsorption layer according to the needs, if the filtering equipment is replaced, the cost is high, and it is very inconvenient to disassemble and assemble back and forth, and the traditional adsorption layer is sealed and installed in the inner shell, which is very inconvenient to operate when replacing the adsorption layer, and the gas valve needs to be operated when disassembling and assembling the adsorption layer, and it is time-consuming and laborious to open it after replacement, and frequent operation also affects the service life of the valve. SUMMARY

[0004] In view of the problems in the prior art, the present application provides a chemical filter capable of effectively increasing contact area.

[0005] The technical scheme adopted by the present application to solve the technical problems is: a chemical filter capable of effectively increasing contact area, comprising: a shell, a filtering mechanism is installed in the shell, the filtering mechanism comprises a clamping groove, the bottom of the shell is provided with a clamping groove in a fan shape, two fixed blocks connected in head-to-tail are slidably connected in the shell, the top of each fixed block is provided with a positioning groove, the two fixed blocks are connected in head-to-tail through the positioning grooves, the bottom of one of the fixed blocks is clamped in the clamping groove, threaded guide grooves are respectively arranged in the inner portions of the two fixed blocks, the opposite ends of the two guide grooves are communicated with each other, and chemical adsorption layers with threaded structures are slidably connected in the inner portions of the two guide grooves; a sealing mechanism is installed on the filtering mechanism.

[0006] Specifically, a conveying mechanism is installed on the housing, the conveying mechanism includes an air inlet pipe, an air inlet pipe is vertically connected to one side of the bottom of the housing, an air inlet groove is provided on the inner side of the bottom of the housing, the air inlet groove is connected to a slot, the bottom of a guide groove is connected to the air inlet groove, one end of the air inlet pipe extends into the interior of the air inlet groove, an mounting plate is installed on the top side of the interior of the housing, the bottom of the mounting plate engages with a positioning groove on the top of another fixing block, an exhaust groove is provided on the bottom of the mounting plate, the top of the guide groove is connected to the exhaust groove, the bottom of the exhaust groove extends to the outside of one side of the bottom of the mounting plate, an exhaust pipe is installed at the center of the top of the mounting plate, one end of the exhaust pipe extends into the interior of the exhaust groove, the other end of the exhaust pipe extends to the outside of the top of the housing, a connecting sleeve is installed on the top of the mounting plate, the bottom of the connecting sleeve extends into the interior of the exhaust groove, and the bottom of the exhaust pipe is rotatably connected to the top of the connecting sleeve.

[0007] Specifically, the sealing mechanism includes a pressure rod, which is installed inside the two fixed blocks. The pressure rod is longitudinally slidably connected to the inside of the fixed blocks via a compression spring. A frame-shaped first sealing gasket is installed on the outer side of the bottom of the fixed blocks. The first sealing gasket is located at the outer edge of the bottom of the guide groove, and one end of the first sealing gasket extends into the inside of the fixed blocks. An air storage bag is slidably connected to the inner side of the bottom of the fixed blocks. One side of the bottom of the air storage bag is connected to the side wall of one end of the first sealing gasket. The bottom of the pressure rod abuts against the center of the top of the air storage bag, and the top of the pressure rod extends to the outer side of the top of the fixed blocks. A rubber pad is installed at the bottom of the housing, and the bottom of the fixed blocks abuts against the rubber pad. The rubber pad has an "L" shaped structure.

[0008] Specifically, the top of the air storage bag is provided with a pressure plate, the bottom of the pressure rod is fixedly connected to the center of the top of the pressure plate, and a second sealing gasket is installed on one side of the bottom of the mounting plate, the second sealing gasket abutting against the top side wall of the fixing block.

[0009] Specifically, the housing is equipped with an abutting mechanism, which includes a cover plate. The cover plate is threadedly connected to the top of the housing, and a rotating sleeve is rotatably connected to the center of the top of the cover plate. The exhaust pipe is threadedly connected to the rotating sleeve and extends to the outside of one end of the rotating sleeve. The mounting plate is slidably connected to the inside of the housing.

[0010] Specifically, the rotating sleeve has a cylindrical "I"-shaped structure, the outer top of the rotating sleeve has a pentagonal structure, and the sidewall of the rotating sleeve has a hexagonal structure.

[0011] Specifically, the top of the cover plate is equipped with two first handles, and the side wall of the housing is vertically connected with a second handle. Both the first handle and the second handle are U-shaped structures.

[0012] Specific, the said conflict mechanism is installed with locking mechanism, the locking mechanism includes the tooth disc, the tooth disc is rotatably connected at the center of the inside of the bottom of the cover plate, the center of the tooth disc is fixedly connected with the bottom of the rotating sleeve, the clamping plate is installed at the edge of the inside of the cover plate, the clamping plate is slidably connected with the inside of the cover plate through the abutment spring, the clamping plate is "L" shaped structure, one end of the clamping plate is toothed structure, one end of the clamping plate is engaged with the tooth disc, the other end of the clamping plate extends to the outside of the cover plate.

[0013] Specific, the other end of the clamping plate is installed with a push block at the top, the push block is trapezoidal structure, the push block is slidably connected with the top of the cover plate through the clamping plate.

[0014] Specific, the shell is installed with a protection mechanism, the protection mechanism includes a side plate, the shell is installed with a side plate on one side, the drive rod is installed in the inside of the side plate, the drive rod is slidably connected with the inside of the side plate through the reset spring, the drive rod extends to the outside of the side plate and abuts against the cover plate at the top, the baffle is slidably connected to the inside of the bottom of the side plate, the baffle extends between the air inlet pipe and the air inlet groove, the width of the baffle is greater than the diameter of the air inlet pipe, a through hole is formed in the center of the top of the baffle, the bottom of the drive rod is fixedly connected with the top of the baffle, the top block is installed on the top of the drive rod, the pressure roller is rotatably connected to the top of the top block, and the pressure roller abuts against the edge of the bottom of the cover plate.

[0015] The beneficial effects of the present application are:

[0016] (1) The chemical filter capable of effectively increasing the contact area, the gas is conveyed through the installation of the conveying mechanism, and the foul-smelling, toxic and harmful and corrosive gas in the gas is adsorbed and treated through the cooperation of the filtering mechanism.

[0017] (2) The chemical filter capable of effectively increasing the contact area, the sealing mechanism is installed under the abutment of the filtering mechanism, the sealing mechanism seals between the filtering mechanisms, and the gas flow is prevented from overflowing.

[0018] (3) The chemical filter capable of effectively increasing the contact area, the filtering mechanism is abutted tightly through the cooperation of the abutment mechanism, and different numbers of filtering mechanisms are installed through the adjustment of the abutment mechanism, so that different concentrations of gas are adsorbed and filtered.

[0019] (4) The chemical filter capable of effectively increasing the contact area, the abutment limit of the abutment mechanism after adjustment is facilitated through the installation of the locking mechanism, the stability of the abutment mechanism is ensured, and the filtering mechanism is firmly and stably abutted.

[0020] (5) The chemical filter capable of effectively increasing contact area, which realizes the closed control of the conveying mechanism by the installation of the protection mechanism and realizes the open control of the conveying mechanism by the installation of the resisting mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0021] The application will be further described below in connection with the drawings and examples.

[0022] Figure 1 The overall structural schematic diagram of the application is provided;

[0023] Figure 2 The connecting structure schematic diagram of the fixed block and the shell of the application is provided;

[0024] Figure 3 The connecting structure schematic diagram of the cover plate and the shell of the application is provided;

[0025] Figure 4 The connecting structure schematic diagram of the chemical adsorption layer and the fixed block of the application is provided;

[0026] Figure 5 The connecting structure schematic diagram of the guide groove and the fixed block of the application is provided;

[0027] Figure 6 The structure schematic diagram of the chemical adsorption layer of the application is provided;

[0028] Figure 7 The connecting structure schematic diagram of the second sealing gasket and the mounting plate of the application is provided;

[0029] Figure 8 The connecting structure schematic diagram of the exhaust pipe and the mounting plate of the application is provided;

[0030] Figure 9 The connecting structure schematic diagram of the rotating sleeve and the cover plate of the application is provided;

[0031] Figure 10 The connecting structure schematic diagram of the tooth disc and the cover plate of the application is provided;

[0032] Figure 11 The connecting structure schematic diagram of the tooth disc and the rotating sleeve of the application is provided;

[0033] Figure 12 The connecting structure schematic diagram of the clamping plate and the tooth disc of the application is provided;

[0034] Figure 13 The connecting structure schematic diagram of the first sealing gasket and the air storage bag of the application is provided;

[0035] Figure 14 The connecting structure schematic diagram of the baffle and the side plate tooth disc and the cover plate of the application is provided;

[0036] Figure 15The connecting structure diagram of the driving rod and the baffle of the application.

[0037] In the figure: 1, the shell; 2, the conveying mechanism; 201, the exhaust pipe; 202, the air inlet pipe; 203, the mounting plate; 204, the air inlet groove; 205, the exhaust groove; 206, the connecting sleeve; 3, the filtering mechanism; 301, the fixed block; 302, the clamping groove; 303, the rubber pad; 304, the chemical adsorption layer; 305, the positioning groove; 306, the guide groove; 4, the resistance mechanism; 401, the rotating sleeve; 402, the cover plate; 403, the first handle; 404, the second handle; 5, the locking mechanism; 501, the push block; 502, the clamping plate; 503, the toothed disc; 504, the resistance spring; 6, the sealing mechanism; 601, the pressing rod; 602, the first sealing pad; 603, the second sealing pad; 604, the compression spring; 605, the pressing plate; 606, the air storage bag; 7, the protection mechanism; 701, the side plate; 702, the driving rod; 703, the baffle; 704, the through hole; 705, the reset spring; 706, the top block; 707, the pressing wheel. DETAILED DESCRIPTION

[0038] In order to make the technical means, creative features, purposes and effects of the application easy to understand, the application is further described below in combination with specific embodiments.

[0039] As Figure 1 , Figure 2 , Figure 4 , Figure 10 , Figure 13 and Figure 14 indicated, the chemical filter for effectively increasing the contact area comprises a shell 1, a conveying mechanism 2 is installed on the shell 1, a filtering mechanism 3 is installed inside the shell 1, a resistance mechanism 4 is installed on the shell 1, a locking mechanism 5 is installed on the resistance mechanism 4, a sealing mechanism 6 is installed on the filtering mechanism 3, and a protection mechanism 7 is installed on the shell 1.

[0040] Specifically, as Figure 1 , Figure 2 , Figure 3 , Figure 7 and Figure 8As shown, the conveying mechanism 2 includes an air inlet pipe 202, the bottom side of the shell 1 is vertically connected with the air inlet pipe 202, the bottom inner side of the shell 1 is provided with an air inlet groove 204, one end of the air inlet pipe 202 extends to the inside of the air inlet groove 204, the inside top side of the shell 1 is installed with a mounting plate 203, the bottom of the mounting plate 203 is provided with an air outlet groove 205, the top center of the mounting plate 203 is installed with an air outlet pipe 201, one end of the air outlet pipe 201 extends to the inside of the air outlet groove 205, the other end of the air outlet pipe 201 extends to the top outer side of the shell 1, through the installation of the air inlet pipe 202, it is convenient to connect with the external air pipe, so that the external gas enters the inside of the shell 1 through the air inlet pipe 202, the air inlet groove 204, and is filtered and treated by the chemical adsorption layer 304, and then is discharged through the air outlet groove 205 and the air outlet pipe 201, so as to achieve the effect of purifying the harmful substances in the gas.

[0041] Specifically, as shown in the figure, Figure 8 The top of the mounting plate 203 is installed with a connecting sleeve 206, the bottom of the connecting sleeve 206 extends to the inside of the air outlet groove 205, the bottom of the air outlet pipe 201 is rotationally connected with the top of the connecting sleeve 206, through the installation of the connecting sleeve 206, the air outlet pipe 201 can be rotationally connected, so as to be convenient for adjusting the direction after being connected with the external pipeline.

[0042] Specifically, as shown in the figure, Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the filter mechanism 3 includes a clamping groove 302, the bottom of the shell 1 is provided with a clamping groove 302 of a fan-shaped structure, the air inlet groove 204 communicates with the clamping groove 302, two fixed blocks 301 connected head to tail are slidably connected inside the shell 1, the bottom of the air outlet groove 205 extends to the outside of one side of the bottom of the mounting plate 203, the top of each of the two fixed blocks 301 is provided with a positioning groove 305, the two fixed blocks 301 are connected head to tail through the clamping of the positioning grooves 305, the bottom of one of the fixed blocks 301 is clamped inside the clamping groove 302, the bottom of the mounting plate 203 is clamped with the positioning groove 305 on the top of the other fixed block 301, the inside of each of the two fixed blocks 301 is provided with a threaded guide groove 306, the opposite ends of the two guide grooves 306 communicate with each other, the top of the guide groove 306 communicates with the air outlet groove 205, the bottom of the guide groove 306 communicates with the air inlet groove 204, the inside of each of the two guide grooves 306 is slidably connected with a threaded chemical adsorption layer 304, the two fixed blocks 301 are connected head to tail through the clamping of the positioning grooves 305, so that the opposite ends of the two guide grooves 306 communicate, ensuring that the air inside the guide groove 306 can circulate, and through the chemical adsorption layer 304 installed inside the guide groove 306, the circulating gas is purified and filtered, the harmful substances inside the gas are removed, the quality and safety of the gas after being discharged are ensured, and at the same time, since the guide groove 306 and the chemical adsorption layer 304 are both threaded structures, the long filter is compressed in a threaded winding manner, the length of the chemical adsorption layer 304 remains unchanged and the volume is reduced, which is beneficial to the gas passing through the long chemical adsorption layer 304 in a threaded manner under the guidance of the guide groove 306, increases the contact area between the gas and the chemical adsorption layer 304, and makes the gas filtering more thorough, ensuring the quality of air adsorption and filtration, through the clamping groove 302, the gas inside the air inlet pipe 202 enters the inside of the guide groove 306 through the air inlet groove 204, and at the same time, through the clamping of the bottom of the mounting plate 203 with the positioning groove 305, the filtered gas enters the inside of the air outlet groove 205 and is discharged through the air outlet pipe 201.

[0043] Specifically, as shown in the drawings, Figure 3 The bottom of the shell 1 is provided with a rubber pad 303, the bottom of the fixed block 301 abuts against the rubber pad 303, the rubber pad 303 has an "L" shaped structure, through the installation of the rubber pad 303, the bottom of the fixed block 301 abuts against the bottom of the shell 1 tightly, the rubber pad 303 has good elasticity, the fixed block 301 is stably installed inside the shell 1 and will not loosen, and the gas can be well filtered and treated.

[0044] Specifically, as shown in the drawings, Figure 4 , Figure 5 and Figure 13As shown in the sealing mechanism 6, the compression rod 601 is internally installed in the two fixing blocks 301, and is longitudinally and slidingly connected with the fixing block 301 through the compression spring 604. The first sealing gasket 602 in the frame structure is installed at the bottom outer side of the guide groove 306, and extends to the inside of the fixing block 301 at one end. The gas storage bag 606 is slidingly connected at the bottom inner side of the fixing block 301, and is connected with the sidewall at one end of the first sealing gasket 602 at the bottom. The bottom of the compression rod 601 abuts against the center of the top of the gas storage bag 606, and extends to the outer side of the top of the fixing block 301 at the top. The compression rod 601 is extended to the outer side of the top of the fixing block 301 at the top through the abutment of the compression spring 604, and the first sealing gasket 602 is in the contracted state, so as to facilitate the installation of the fixing block 301. When the bottom of the other fixing block 301 or the mounting plate 203 is clamped with the top of the installed fixing block 301, the compression rod 601 is squeezed and extruded, and is slid downward under the elastic force of the compression spring 604. The compression rod 601 extrudes the gas storage bag 606, the gas in the gas storage bag 606 enters the inside of the first sealing gasket 602, the first sealing gasket 602 is inflated, the gap between the first sealing gasket 602 and the connection is tightly sealed, the flowing gas cannot overflow, and the filtering and purification are better.

[0045] Specifically, as shown in the sealing mechanism 6, Figure 7 and Figure 13 The top of the gas storage bag 606 is provided with the pressing plate 605, the bottom of the compression rod 601 is fixedly connected with the center of the top of the pressing plate 605, and the bottom of the mounting plate 203 is provided with the second sealing gasket 603. The second sealing gasket 603 abuts against the sidewall of the top of the fixing block 301. Through the installation of the pressing plate 605, the contact area of the compression rod 601 and the top of the gas storage bag 606 is increased, and the compression rod 601 cannot extrude and damage the gas storage bag 606.

[0046] Specifically, as shown in the sealing mechanism 6, Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the abutment mechanism 4 includes a cover plate 402, which is threadedly connected to the top of the housing 1. A rotating sleeve 401 is rotatably connected to the center of the top of the cover plate 402. The exhaust pipe 201 is threadedly connected to the rotating sleeve 401, extending to the outer side of one end of the rotating sleeve 401. The mounting plate 203 is slidably connected to the inside of the housing 1. The installation of the cover plate 402 facilitates the shielding and protection of the top of the housing 1 and prevents the mounting plate 203 from falling off. The installation of the rotating sleeve 401 connects the rotating sleeve 401 to the exhaust pipe 201. The exhaust pipe 201 can be driven to rise or fall by rotating the rotating sleeve 401, so that the mounting plate 203 and the top of the fixing block 301 are in stable contact with the structure, and the two fixing blocks 301 are stably installed inside the housing 1. At the same time, one fixing block 301 can be removed. By controlling the exhaust pipe 201, the mounting plate 203 can contact a single fixing block 301, which is convenient for installing different numbers of fixing blocks 301 to filter gas according to different gases. The operation is convenient and practical.

[0047] Specifically, such as Figure 9 and Figure 11 As shown, the rotating sleeve 401 has a cylindrical "I"-shaped structure. The outer top of the rotating sleeve 401 has a pentagonal structure, and the side wall of the rotating sleeve 401 has a hexagonal structure. The design of the pentagonal structure at the top of the rotating sleeve 401 increases the friction between the hand and the side wall of the rotating sleeve 401, which helps to prevent slippage when rotating the rotating sleeve 401. Furthermore, the rotating sleeve 401 can be driven by engaging it with an open-end wrench, making it convenient and labor-saving to operate.

[0048] Specifically, such as Figure 1 , Figure 2 and Figure 3 As shown, two first handles 403 are installed on the top of the cover plate 402, and a second handle 404 is vertically connected to the side wall of the housing 1. Both the first handles 403 and the second handles 404 are U-shaped structures. The installation of the first handles 403 facilitates the gripping of the cover plate 402 and allows for the rotation and control of the cover plate 402. With the cooperation of the second handles 404, it is convenient to hold and move the housing 1.

[0049] Specifically, such as Figure 10 , Figure 11 and Figure 12As shown, the locking mechanism 5 comprises a toothed disc 503, the toothed disc 503 is rotatably connected at the center of the bottom inner side of the cover plate 402, the center of the toothed disc 503 is fixedly connected with the bottom of the rotating sleeve 401, a clamping plate 502 is installed at the inner edge of the cover plate 402, the clamping plate 502 is slidably connected with the inner side of the cover plate 402 through a resisting spring 504, the clamping plate 502 is in "L" shape structure, one end of the clamping plate 502 is in toothed structure, one end of the clamping plate 502 is engaged with the toothed disc 503, the other end of the clamping plate 502 extends to the outer side of the cover plate 402 at the top, through the installation of the toothed disc 503, under the resistance of the resisting spring 504, the clamping plate 502 is in resistance with the toothed disc 503, the clamping plate 502 is limited to the toothed disc 503, so that the rotating sleeve 401 cannot rotate, by pushing the clamping plate 502, the clamping plate 502 slides away from the elastic force of the resisting spring 504, the clamping plate 502 is separated from the toothed disc 503, so that the toothed disc 503 is free to rotate, thereby driving and controlling the rotating sleeve 401.

[0050] Specifically, as shown in Figure 2 , Figure 3 and Figure 9 , the other end of the clamping plate 502 is provided with a push block 501 at the top, the push block 501 is in trapezoidal structure, the push block 501 is slidably connected with the top side of the cover plate 402 through the clamping plate 502, through the installation of the push block 501, the clamping plate 502 is driven and controlled, the operation is convenient and comfortable, thereby realizing the rotation control of the rotating sleeve 401.

[0051] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 14 and Figure 15As shown, the protection mechanism 7 includes a side plate 701, one side of the shell 1 is provided with the side plate 701, a driving rod 702 is arranged inside the side plate 701, the driving rod 702 is slidably connected with the inside of the side plate 701 through a reset spring 705, the driving rod 702 extends to the outside of the side plate 701 and abuts against the cover plate 402, a baffle 703 is slidably connected to the bottom inside of the side plate 701, the baffle 703 extends between the air inlet pipe 202 and the air inlet groove 204, the width of the baffle 703 is greater than the diameter of the air inlet pipe 202, a through hole 704 is arranged at the top center of the baffle 703, the bottom of the driving rod 702 is fixedly connected with the top of the baffle 703, the driving rod 702 is connected through the installation of the side plate 701, under the abutment of the reset spring 705, the driving rod 702 pulls the baffle 703 to make the baffle 703 rise to a certain position, thereby making the baffle 703 block the air inlet pipe 202, so that external gas cannot enter, thereby playing a safety protection role, through the closing of the cover plate 402, the cover plate 402 abuts against the driving rod 702, the driving rod 702 slides away from the elastic force of the reset spring 705, the driving rod 702 drives the baffle 703 to abut, so that the baffle 703 slides downward to a certain position, so that the through hole 704 on the baffle 703 is concentric with the air inlet pipe 202, so that the air inlet pipe 202 is in communication with the air inlet groove 204, and gas can enter for filtering and purification.

[0052] Specifically, as shown in the drawings, Figure 15 The top of the driving rod 702 is provided with a top block 706, the top block 706 is rotatably connected with a pressing wheel 707 at the top, the pressing wheel 707 abuts against the bottom edge of the cover plate 402, the installation of the top block 706 facilitates the connection of the pressing wheel 707, facilitates the driving and extrusion of the pressing wheel 707 when the cover plate 402 is closed and rotated, so that the cover plate 402 rotates smoothly and does not cause abrasion between the driving rod 702.

[0053] In use, first, through the installation of the air inlet pipe 202, it is beneficial to connect with the external air pipe, so that the external gas enters the inside of the shell 1 through the air inlet pipe 202 and the air inlet groove 204, and is adsorbed and filtered by the chemical adsorption layer 304 for the odor, toxic and harmful and corrosive gas in the gas, and then is discharged through the exhaust groove 205 and the exhaust pipe 201, so as to achieve the effect of purifying the harmful substances in the gas. Through the installation of the connecting sleeve 206, the exhaust pipe 201 can be rotatably connected, so that the direction can be adjusted after being connected with the external pipeline. The two fixed blocks 301 are connected through the opening of the positioning groove 305, so that the two guide grooves 306 are connected at the opposite ends, so as to ensure that the air in the guide groove 306 can flow, and the chemical adsorption layer 304 installed in the guide groove 306 realizes the purification and filtration of the flowing gas, so that the harmful substances in the gas are removed, and the quality and safety of the discharged gas are ensured. At the same time, since the guide groove 306 and the chemical adsorption layer 304 are both screw structures, the longer chemical adsorption layer 304 is compressed by winding in the form of threads, so that the length of the chemical adsorption layer 304 remains unchanged and the volume is reduced, which is beneficial to the gas flowing through the longer chemical adsorption layer 304 in the form of threads under the guidance of the guide groove 306, so that the contact area between the gas and the chemical adsorption layer 304 is increased, the gas filtration is more thorough, the quality of air adsorption and filtration is ensured, and the opening of the clamping groove 302 enables the gas in the air inlet pipe 202 to enter the inside of the guide groove 306 through the air inlet groove 204. At the same time, the filtered gas enters the inside of the exhaust groove 205 through the clamping of the bottom of the mounting plate 203 and the positioning groove 305, and is discharged through the exhaust pipe 201. The installation of the rubber pad 303 enables the bottom fixed block 301 to tightly abut against the bottom of the shell 1, the rubber pad 303 has good elasticity, the fixed block 301 is stably installed in the shell 1 and will not be loose, the gas can be well filtered, the compression spring 604 is abutted, the top of the pressing rod 601 extends to the outside of the top of the fixed block 301, the first sealing pad 602 is in a contracted state, the installation of the plurality of fixed blocks 301 is facilitated, and when the other fixed block 301 or the bottom of the mounting plate 203 is clamped with the top of the fixed block 301 which has been installed, the pressing rod 601 is abutted and extruded, the pressing rod 601 slides away from the elastic force of the compression spring 604, the pressing rod 601 extrudes the gas bag 606, the gas in the gas bag 606 enters the inside of the first sealing pad 602, the first sealing pad 602 expands, the first sealing pad 602 is tightly sealed with the gap at the connection, the flowing gas will not overflow, and the filtration and purification are better. The installation of the pressing plate 605 increases the contact area between the pressing rod 601 and the top of the gas bag 606, the pressing rod 601 will not extrude and damage the gas bag 606, the installation of the cover plate 402 is beneficial to shielding and protecting the top of the shell 1, and prevents the mounting plate 203 from falling off, the installation of the rotating sleeve 401 enables the rotating sleeve 401 to be threadedly connected with the exhaust pipe 201,The rotation of the rotating sleeve 401 drives the exhaust pipe 201 to rise or fall, and the mounting plate 203 is in contact with the top of the fixed block 301 to stabilize the structure, so that the two fixed blocks 301 are stably installed inside the shell 1, and one fixed block 301 can be disassembled. By controlling the exhaust pipe 201, the mounting plate 203 can be in contact with a single fixed block 301, which is beneficial to install different numbers of fixed blocks 301 for filtering gas according to the treatment of different gases, and the operation is convenient and practical. Through the design of the pentagonal structure at the top of the rotating sleeve 401, the friction between the hand and the sidewall of the rotating sleeve 401 is increased, which is beneficial to the control of the rotating sleeve 401 without slipping, and the rotating sleeve 401 can be driven after being clamped by an open wrench. It is also convenient and labor-saving to operate. The installation of the first handle 403 is beneficial to holding the cover plate 402, and the cover plate 402 can also be rotated and controlled by the first handle 403. Under the cooperation of the second handle 404, the shell 1 is easy to hold and move. Through the installation of the toothed disc 503, the clamping plate 502 is in contact with the toothed disc 503 under the contact of the contact spring 504, which realizes the limiting of the toothed disc 503, and further makes the rotating sleeve 401 unable to rotate. By pushing the clamping plate 502, the clamping plate 502 slides out of the elastic force of the contact spring 504, the clamping plate 502 and the toothed disc 503 are separated, the toothed disc 503 is freely rotated, and further drives and controls the rotating sleeve 401. Through the installation of the push block 501, the clamping plate 502 is driven and controlled, which is convenient and comfortable to operate, and further realizes the rotation control of the rotating sleeve 401. Through the installation of the side plate 701, the driving rod 702 is connected, and under the contact of the reset spring 705, the driving rod 702 pulls the baffle 703 to make the baffle 703 rise to a certain position, and further makes the baffle 703 block the air inlet pipe 202, so that the external gas cannot enter, and plays a safety protection role. Through the closure of the cover plate 402, the cover plate 402 is in contact with the driving rod 702, the driving rod 702 slides out of the elastic force of the reset spring 705, the driving rod 702 drives and contacts the baffle 703, the baffle 703 slides down to a certain position, the through hole 704 on the baffle 703 is concentric with the air inlet pipe 202, the air inlet pipe 202 is in communication with the air inlet groove 204, and the gas can enter for filtering and purification. Through the installation of the top block 706, the pressure roller 707 is connected, which is beneficial to the driving and extrusion of the pressure roller 707 when the cover plate 402 is closed and rotated, so that the cover plate 402 rotates smoothly, and the cover plate 402 will not be worn between the driving rod 702.

[0054] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in its specific form in gases without departing from the spirit or essential characteristics of the application. Consequently, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims to the identification points in the claims.

[0055] Furthermore, it should be understood that although the present specification describes particular embodiments, each of which contains only a single independent technical solution, the specification is written so as to cover all combinations of those previously claimed independent technical solutions claimed in one or more claims. It should also be understood that, where the specification states that a device, structure, composition, or process can include, have, contain, or comprise "at least one", "one or more", or "one of at least one", one or more of the specified features are present. In other words, any one or more, but not necessarily all, examples of a feature can be present.

Claims

1. A chemical filter effective to increase the contact area, characterized by, Include: The shell (1), The shell (1) is internally provided with a filtering mechanism (3), the filtering mechanism (3) includes a clamping groove (302), the shell (1) bottom is provided with a clamping groove (302) of fan structure, the shell (1) is internally connected with two fixed blocks (301) connected head to tail slidingly, two The top of the fixed block (301) is respectively provided with a positioning groove (305), two The fixed block (301) is connected by the positioning groove (305) head to tail, wherein one The bottom of the fixed block (301) is engaged with the inside of the clamping groove (302), two The inside of the fixed block (301) is respectively provided with a threaded guide groove (306), two The opposite ends of the guide groove (306) are communicated with each other, two The inside of the guide groove (306) is respectively connected with a threaded chemical adsorption layer (304) slidingly; Sealing mechanism (6), the filtering mechanism (3) is provided with a sealing mechanism (6); The shell (1) is provided with a conveying mechanism (2), the conveying mechanism (2) includes an air inlet pipe (202), the shell (1) bottom is vertically connected with an air inlet pipe (202) on one side, the shell (1) bottom is provided with an air inlet groove (204) on the inner side, the air inlet groove (204) is communicated with the clamping groove (302), the bottom of the guide groove (306) is communicated with the air inlet groove (204), one end of the air inlet pipe (202) extends to the inside of the air inlet groove (204), the inside of the shell (1) is provided with a mounting plate (203) on the top side, the bottom of the mounting plate (203) is engaged with the positioning groove (305) on the top of the other fixed block (301), the bottom of the mounting plate (203) is provided with an exhaust groove (205), the top of the guide groove (306) is communicated with the exhaust groove (205), the bottom of the exhaust groove (205) extends to the outside of the bottom of the mounting plate (203) one side, the top of the mounting plate (203) is provided with an exhaust pipe (201), one end of the exhaust pipe (201) extends to the inside of the exhaust groove (205), the other end of the exhaust pipe (201) extends to the top of the shell (1) outside, the top of the mounting plate (203) is provided with a connecting sleeve (206), the bottom of the connecting sleeve (206) extends to the inside of the exhaust groove (205), the bottom of the exhaust pipe (201) is rotatably connected with the top of the connecting sleeve (206); The sealing mechanism (6) includes a pressing rod (601), two fixed blocks (301) are internally provided with the pressing rod (601), the pressing rod (601) is connected with the fixed block (301) internally through a compression spring (604) and longitudinally slides, the bottom of the fixed block (301) is externally provided with a first sealing gasket (602) in a frame structure, the first sealing gasket (602) is located at the bottom of the outer side edge of the guide groove (306), one end of the first sealing gasket (602) extends to the inside of the fixed block (301), the bottom of the fixed block (301) is slidably connected with an air storage bag (606), one side of the bottom of the air storage bag (606) is connected with the sidewall of one end of the first sealing gasket (602), the bottom of the pressing rod (601) is in contact with the center of the top of the air storage bag (606), the top of the pressing rod (601) extends to the outside of the top of the fixed block (301), the bottom of the shell (1) is provided with a rubber pad (303), the bottom of the fixed block (301) is in contact with the rubber pad (303), and the rubber pad (303) is in an "L" structure.

2. A chemical filter effective to increase the contact area according to claim 1, characterized in that: The top of the air storage bag (606) is provided with a pressing plate (605), the bottom of the pressing rod (601) is fixedly connected with the center of the top of the pressing plate (605), one side of the bottom of the mounting plate (203) is provided with a second sealing gasket (603), and the second sealing gasket (603) is in contact with the sidewall of the top of the fixed block (301).

3. A chemical filter effective to increase contact area as claimed in claim 1, wherein: The shell (1) is provided with a contact mechanism (4), the contact mechanism (4) includes a cover plate (402), the top of the shell (1) is threadedly connected with the cover plate (402), the center of the top of the cover plate (402) is rotatably connected with a rotating sleeve (401), the exhaust pipe (201) is threadedly connected with the rotating sleeve (401), the exhaust pipe (201) extends to one end of the outside of the rotating sleeve (401), and the mounting plate (203) is slidably connected with the inside of the shell (1).

4. A chemical filter effective to increase the contact area according to claim 3, characterized in that: The rotating sleeve (401) is in a cylindrical "H" shape structure, the top of the rotating sleeve (401) is in a pentagonal structure, and the sidewall of the rotating sleeve (401) is in a hexagonal structure.

5. A chemical filter effective to increase the contact area according to claim 3, characterized in that: The top of the cover plate (402) is provided with two first handles (403), the sidewall of the shell (1) is perpendicularly connected with a second handle (404), and the first handle (403) and the second handle (404) are both in a "concave" shape structure.

6. A chemical filter effective to increase the contact area according to claim 3, characterized in that: The contact mechanism (4) is provided with a locking mechanism (5), the locking mechanism (5) includes a toothed disc (503), the inside of the bottom of the cover plate (402) is rotatably connected with the toothed disc (503), the center of the toothed disc (503) is fixedly connected with the bottom of the rotating sleeve (401), the inside edge of the cover plate (402) is provided with a clamping plate (502), the clamping plate (502) is slidably connected with the inside of the cover plate (402) through a contact spring (504), the clamping plate (502) is in an "L" shape structure, one end of the clamping plate (502) is in a toothed structure, one end of the clamping plate (502) is engaged with the toothed disc (503), and the other end of the clamping plate (502) extends to the outside of the cover plate (402).

7. A chemical filter effective to increase the contact area according to claim 6, characterized in that: The card board (502) other end top installation has the push block (501), the push block (501) is trapezoidal structure, the push block (501) is through the card board (502) with the cover (402) top side sliding connection.

8. The chemical filter for effectively increasing the contact area according to claim 1, wherein: The shell (1) is installed with the protection mechanism (7), the protection mechanism (7) includes the side plate (701), one side of the shell (1) is installed with the side plate (701), the inside installation of side plate (701) has drive rod (702), drive rod (702) is through reset spring (705) and the inside sliding connection of side plate (701), drive rod (702) top extends to the outside of side plate (701) and the cover (402) and touches, the bottom inside of side plate (701) is slidably connected with the baffle (703), the baffle (703) extends between air inlet pipe (202) and air inlet groove (204), the width of baffle (703) is greater than the diameter of air inlet pipe (202), the baffle (703) top center is equipped with through -hole (704), the bottom of drive rod (702) is fixedly connected with the top of baffle (703), the top of drive rod (702) is installed with the top block (706), the top rotationally connected with the compression wheel (707) of top block (706), the compression wheel (707) and the cover (402) bottom edge place and touches.

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