A filtering device for convenient replacement of activated carbon plates

Abstract

The utility model discloses a filter device for facilitating replacement of activated carbon plates, comprising a first shell, a ventilation nozzle and an activated carbon plate, the ventilation nozzle comprising a reducing pipe part and a straight pipe part, the straight pipe part being connected with a reducing pipe part, two ventilation nozzles are provided, the straight pipe parts on the two ventilation nozzles slide through the first shell, a first spring is sleeved on the straight pipe part, a second shell is rotatably sleeved inside the first shell, two symmetrically arranged through holes are provided on the side of the second shell, the reducing pipe part of the ventilation nozzle is located in the through hole, a rotating mechanism for driving the second shell to rotate is installed on the first shell, a holder is penetrated on the top of the second shell, an activated carbon plate is clamped in the holder, and a locking mechanism for locking the holder is installed on the second shell. The utility model facilitates the disassembly and assembly of the activated carbon plate and facilitates full use of the activated carbon plate.

Description

Technical Field

[0001] The utility model relates to the technical field of activated carbon filtering, in particular to a filtering device which is convenient for replacing activated carbon plates. Background Art

[0002] Activated carbon is a porous substance with a large specific surface area and rich microporous structure. It has a strong adsorption capacity for impurities in gases and liquids and is often used in air purification, water purification and other fields. For smoke, activated carbon can adsorb some of the harmful substances in it, such as smoke particles, some organic matter and odor, etc., to purify the air. The activated carbon plates we commonly use are generally installed in designated locations. For example, the Chinese patent with authorization announcement number CN208032229U discloses an activated carbon filtration device. The patent only filters on one side, but we know that the activated carbon plate can filter on both sides, which causes a certain amount of waste. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a filtering device which is convenient for replacing activated carbon plates.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A filtering device for facilitating replacement of an activated carbon plate comprises a first shell, a ventilation nozzle and an activated carbon plate, the ventilation nozzle comprising a reducing tube portion and a straight tube portion, the straight tube portion being connected to the reducing tube portion, two ventilation nozzles are provided, the straight tube portions on the two ventilation nozzles slide through the first shell, a first spring is sleeved on the straight tube portion, a second shell is rotatably sleeved inside the first shell, two symmetrically arranged through holes are provided on the side of the second shell, the reducing tube portion of the ventilation nozzle is located in the through hole, a rotating mechanism for driving the second shell to rotate is installed on the first shell, a holder is penetrated through the top of the second shell, an activated carbon plate is clamped in the holder, and a locking mechanism for locking the holder is installed on the second shell.

[0006] Preferably, the rotating mechanism includes a motor, a first gear, a rotating shaft, and a second gear. The motor is installed at the bottom of the first shell, the output shaft of the motor is fixedly sleeved with the first gear, the rotating shaft is fixed on the second shell, the rotating shaft passes through the first shell, and the rotating shaft is fixedly sleeved with the second gear meshing with the first gear.

[0007] Preferably, a protective cover is installed at the bottom of the first shell, and the rotating mechanism is located inside the protective cover.

[0008] Preferably, a slot is provided at the inner bottom of the second shell, and the activated carbon plate is clipped into the slot.

[0009] Preferably, the locking mechanism includes a fixed block, a shift block, a second spring, a limit ring, and a positioning rod. The fixed block is fixed on the second shell, a positioning rod is slidably sleeved on the fixed block, a shift block is fixed to one end of the positioning rod, a limit ring is fixedly sleeved on the positioning rod, a second spring is sleeved on the positioning rod, and a positioning groove matching the positioning rod is opened on the side of the socket.

[0010] Preferably, a sealing ring is sleeved in the through hole of the second shell, and a supporting seat is fixed to the bottom of the first shell.

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

[0012] 1. In the utility model, one of the ventilation nozzles is connected to the output end of the gas to be purified, and the other of the ventilation nozzles is the gas discharge end after filtering. The motor drives the first gear to rotate, and the first gear can drive the rotating shaft to rotate by meshing with the second gear. The rotating shaft drives the second shell to rotate 180 degrees, so that the direction of the activated carbon plate can be adjusted. In this way, the two sides of the activated carbon plate can be exchanged and utilized, which improves the utilization efficiency of the activated carbon plate and is very economical. During the rotation of the second shell, the reducer is squeezed and squeezed out of the through hole. At this time, the first spring contracts. When the second shell rotates 180 degrees, the reducer is inserted into the through hole rotated to this position under the elastic force of the first spring, completing the surface replacement operation of the activated carbon plate;

[0013] 2. In the utility model, the positioning rod can be pulled to move by the shifting block, and the holder can be locked when the positioning rod is inserted into the positioning groove, and the holder can be pulled out when the positioning rod is pulled out from the positioning groove, thereby facilitating the disassembly and assembly of the activated carbon plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A cross-sectional view of a filter device for facilitating replacement of activated carbon plates proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of a ventilation nozzle of a filter device that is convenient for replacing activated carbon plates proposed by the utility model;

[0016] Figure 3 This is a structural schematic diagram of a locking mechanism of a filter device for facilitating replacement of activated carbon plates proposed by the utility model;

[0017] Figure 4 The utility model discloses a structural schematic diagram of a rotating mechanism of a filtering device for facilitating replacement of activated carbon plates.

[0018] In the figure: 1 first shell, 2 support seat, 3 ventilation nozzle, 31 reducer, 32 straight tube, 4 first spring, 5 sealing ring, 6 rotating mechanism, 61 motor, 62 first gear, 63 rotating shaft, 64 second gear, 7 slot, 8 activated carbon plate, 9 seat, 10 second shell, 11 fixed block, 12 shift block, 13 second spring, 14 limit ring, 15 positioning rod, 16 protective cover. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1 , Figure 2 , a filtering device for facilitating replacement of activated carbon plates, comprising a first shell 1, a ventilation nozzle 3 and an activated carbon plate 8, the ventilation nozzle 3 comprising a reducing pipe portion 31 and a straight pipe portion 32, the straight pipe portion 32 being connected to the reducing pipe portion 31, two ventilation nozzles 3 are provided, the straight pipe portions 32 on the two ventilation nozzles 3 slide through the first shell 1, one of the ventilation nozzles 3 is connected to the output end of the gas to be purified, and the other of the ventilation nozzles 3 is the gas discharge end after filtering, a first spring 4 is sleeved on the straight pipe portion 32, a second shell 10 is rotatably sleeved inside the first shell 1, two symmetrically arranged through holes are provided on the side of the second shell 10, the reducing pipe portion 31 of the ventilation nozzle 3 is located in the through hole, a rotating mechanism 6 for driving the second shell 10 to rotate is installed on the first shell 1, the second shell 10 can be driven to rotate 180 degrees by the rotating mechanism 6, so that the orientation of the activated carbon plate 8 can be adjusted, In this way, the two sides of the activated carbon plate 8 can be replaced and utilized, which improves the utilization efficiency of the activated carbon plate 8 and is very economical. During the rotation of the second shell 10, the reducer 31 is squeezed and squeezed out of the through hole. At this time, the first spring 4 contracts. When the second shell 10 rotates one hundred and eighty degrees, the reducer 31 is inserted into the through hole rotated to this position under the elastic force of the first spring 4, completing the surface replacement operation of the activated carbon plate 8. A holder 9 is passed through the top of the second shell 10, and an activated carbon plate 8 is clamped in the holder 9. A locking mechanism for locking the holder 9 is installed on the second shell 10. A slot 7 is provided at the inner bottom of the second shell 10, and the activated carbon plate 8 is clamped in the slot 7. The activated carbon plate 8 can be replaced by pulling out the holder 9, and the holder 9 can be locked by the locking mechanism. A sealing ring 5 is sleeved in the through hole on the second shell 10, and a support seat 2 is fixed at the bottom of the first shell 1.

[0021] Reference Figure 4The rotating mechanism 6 includes a motor 61, a first gear 62, a rotating shaft 63, and a second gear 64. The motor 61 is installed at the bottom of the first shell 1. The output shaft of the motor 61 is fixedly sleeved with the first gear 62. The rotating shaft 63 is fixed on the second shell 10. The rotating shaft 63 passes through the first shell 1. The second gear 64 meshing with the first gear 62 is fixedly sleeved on the rotating shaft 63. A protective cover 16 is installed at the bottom of the first shell 1. The rotating mechanism 6 is located in the protective cover 16. The motor 61 drives the first gear 62 to rotate. The first gear 62 can drive the rotating shaft 63 to rotate by meshing with the second gear 64. The rotating shaft 63 drives the second shell 10 to rotate synchronously.

[0022] Reference Figure 3 The locking mechanism includes a fixed block 11, a shift block 12, a second spring 13, a limit ring 14, and a positioning rod 15. The fixed block 11 is fixed on the second shell 10. The fixed block 11 is slidably sleeved with the positioning rod 15. One end of the positioning rod 15 is fixed with a shift block 12. The positioning rod 15 is fixedly sleeved with a limit ring 14. The positioning rod 15 is sleeved with the second spring 13. A positioning groove matching the positioning rod 15 is provided on the side of the holder 9. The positioning rod 15 can be pulled to move by the shift block 12. When the positioning rod 15 is inserted into the positioning groove, the holder 9 can be locked. When the positioning rod 15 is pulled out of the positioning groove, the holder 9 can be pulled out, thereby facilitating the disassembly and assembly of the activated carbon plate 8.

[0023] Working principle: When in use, one of the ventilation nozzles 3 is connected to the output end of the gas to be purified, and the other of the ventilation nozzles 3 is the exhaust end of the filtered gas. The motor 61 drives the first gear 62 to rotate, and the first gear 62 can drive the shaft 63 to rotate by meshing with the second gear 64. The shaft 63 drives the second shell 10 to rotate 180 degrees, so that the direction of the activated carbon plate 8 can be adjusted. In this way, the two sides of the activated carbon plate 8 can be exchanged and used, which improves the utilization efficiency of the activated carbon plate 8, is very economical, and is very convenient for the second During the rotation of the shell 10, the reducer 31 is squeezed and squeezed out of the through hole. At this time, the first spring 4 contracts. When the second shell 10 rotates one hundred and eighty degrees, the reducer 31 is inserted into the through hole rotated to this position under the elastic force of the first spring 4, completing the surface changing operation of the activated carbon plate 8. The positioning rod 15 can be pulled to move by the shift block 12. When the positioning rod 15 is inserted into the positioning groove, the holder 9 can be locked. When the positioning rod 15 is pulled out of the positioning groove, the holder 9 can be pulled out, thereby facilitating the disassembly and assembly of the activated carbon plate 8.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A filter device for facilitating replacement of activated carbon plates, comprising a first housing (1), a ventilation nozzle (3) and an activated carbon plate (8), characterized in that: The ventilation nozzle (3) comprises a reducing tube portion (31) and a straight tube portion (32), wherein the straight tube portion (32) is connected to the reducing tube portion (31), two ventilation nozzles (3) are provided, and the straight tube portions (32) on the two ventilation nozzles (3) slide through the first shell (1), and the straight tube portions (32) are sleeved with a first spring (4), and the interior of the first shell (1) is rotatably sleeved with a second shell (10), and the side of the second shell (10) is provided with two symmetrically arranged through holes, and the reducing tube portion (31) of the ventilation nozzle (3) is located in the through hole, and the first shell (1) is provided with a rotating mechanism (6) for driving the second shell (10) to rotate, and the top of the second shell (10) is penetrated by a holder (9), and an activated carbon plate (8) is clamped in the holder (9), and the second shell (10) is provided with a locking mechanism for locking the holder (9).

2. A filter device for facilitating replacement of activated carbon plates according to claim 1, characterized in that: The rotating mechanism (6) comprises a motor (61), a first gear (62), a rotating shaft (63), and a second gear (64); the motor (61) is mounted on the bottom of the first housing (1); the output shaft of the motor (61) is fixedly sleeved with the first gear (62); the rotating shaft (63) is fixed on the second housing (10); the rotating shaft (63) passes through the first housing (1); and the rotating shaft (63) is fixedly sleeved with the second gear (64) meshing with the first gear (62).

3. A filter device for facilitating replacement of activated carbon plates according to claim 2, characterized in that: A protective cover (16) is installed at the bottom of the first shell (1), and the rotating mechanism (6) is located inside the protective cover (16).

4. A filter device for facilitating replacement of activated carbon plates according to claim 1, characterized in that: The inner bottom of the second shell (10) is provided with a slot (7), and the activated carbon plate (8) is clipped into the slot (7).

5. The filtering device for facilitating replacement of activated carbon plates according to claim 1, characterized in that: The locking mechanism comprises a fixed block (11), a shift block (12), a second spring (13), a limiting ring (14), and a positioning rod (15); the fixed block (11) is fixed on the second housing (10); the positioning rod (15) is slidably sleeved on the fixed block (11); one end of the positioning rod (15) is fixed with the shift block (12); the limiting ring (14) is fixedly sleeved on the positioning rod (15); the second spring (13) is sleeved on the positioning rod (15); and a positioning groove matching the positioning rod (15) is provided on the side of the clamping seat (9).

6. The filtering device for facilitating replacement of activated carbon plates according to claim 1, characterized in that: A sealing ring (5) is sleeved in the through hole on the second shell (10), and a support seat (2) is fixed to the bottom of the first shell (1).

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