CN220892482U - Active carbon purifying device of fresh air system - Google Patents

Active carbon purifying device of fresh air system Download PDF

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Publication number
CN220892482U
CN220892482U CN202322221930.7U CN202322221930U CN220892482U CN 220892482 U CN220892482 U CN 220892482U CN 202322221930 U CN202322221930 U CN 202322221930U CN 220892482 U CN220892482 U CN 220892482U
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China
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plate
activated carbon
active carbon
shell
carbon plate
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Active
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CN202322221930.7U
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Chinese (zh)
Inventor
潘虹
张素琴
孙英雷
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Tianjin Lanshe Electromechanical Engineering Co ltd
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Tianjin Lanshe Electromechanical Engineering Co ltd
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Abstract

The application relates to the technical field of fresh air purification, and provides an active carbon purification device of a fresh air system, which comprises a shell, wherein a fan is arranged in the shell, an air inlet is formed in the side wall of the shell, which is close to the air inlet end of the fan, a filter screen is arranged at the air inlet, the air outlet end of the fan is downwards arranged, a first active carbon plate and a second active carbon plate are arranged below the air outlet of the fan, the first active carbon plate and the second active carbon plate can be independently replaced, and a sensing assembly for prompting the replacement of the first active carbon plate or the second active carbon plate is arranged in the shell; according to the application, any active carbon plate can be independently replaced and maintained as required; thus, time and labor can be reduced to the greatest extent, and the service life of the activated carbon sheet can be prolonged. Moreover, the maintenance period can be optimized according to actual conditions and requirements, and the performance of the whole fresh air system is ensured.

Description

Active carbon purifying device of fresh air system
Technical Field
The application relates to the technical field of fresh air purification, in particular to a fresh air system activated carbon purification device.
Background
In air purification, activated carbon is generally used to filter air and adsorb organic waste gases in the air.
Through retrieving, chinese patent with publication No. CN217410272U discloses an exhaust-gas treatment purifies activated carbon adsorption environmental protection case, including box and first activated carbon layer and second activated carbon layer that set up in the box, wear to be equipped with the heat-conducting plate in the box, the one end fixedly connected with memory metal plate and the other end fixedly connected with thermal plate of heat-conducting plate, the thermal plate is located the box, airtight wearing is equipped with the touch-up pole on the box, the touch-up pole is located the deformation stroke of memory metal plate, first activated carbon layer and second activated carbon layer fixed connection drive touch-up pole extrusion first activated carbon layer's outside for first activated carbon layer drives second activated carbon layer and rocks in the box, and the rocking of first activated carbon layer and second activated carbon layer can produce certain influence to the flow path of waste gas, thereby improves the area of contact of waste gas and first activated carbon layer or second activated carbon layer, improves the adsorption capacity of first activated carbon layer and second activated carbon layer.
However, the first activated carbon layer and the second activated carbon layer in this patent are fixedly connected, and when the impurity adsorbed by one of the first activated carbon layer or the second activated carbon layer reaches its saturation value, the first activated carbon layer and the second activated carbon layer need to be replaced together, which wastes resources.
Disclosure of utility model
In order to solve the problems, the application provides a fresh air system activated carbon purification device which solves the problems.
In order to achieve the above purpose, the present application provides the following technical solutions:
The utility model provides a new trend system active carbon purifier, includes the casing, the inside fan that is provided with of casing, the casing is close to the lateral wall of fan inlet end and has seted up the air intake, air intake department is provided with the filter screen, the air exit end of fan sets up downwards, is provided with first active carbon plate and second active carbon plate in the below of the air exit of fan, first active carbon plate and second active carbon plate can change alone, the inside sensing assembly that is provided with of casing suggestion change first active carbon plate or second active carbon plate.
Preferably, one side of the shell, which is close to the top end of the shell, is connected with a horizontally arranged fixing plate, the fan is arranged on the fixing plate, and an air outlet penetrating through the fan is formed in the position, close to the air outlet end of the fan, of the fixing plate.
Preferably, a first installation frame horizontally arranged is connected below the fixing plate, a second installation frame is horizontally arranged below the first installation frame, a first installation area is arranged between the first installation frame and the second installation frame, a first activated carbon plate is inserted in the first installation area, a third installation frame is horizontally arranged below the second installation frame, a fourth installation frame is horizontally arranged below the third installation frame, a second installation area is arranged between the third installation frame and the fourth installation frame, and a second activated carbon plate is inserted in the second installation area.
Preferably, the front surface of the shell is hinged with a first box door and a second box door, the upper surface of the first box door is flush with the upper surface of the shell, the lower surface of the first box door is positioned at the second mounting frame, the upper surface of the second box door is abutted with the lower surface of the first box door, and the lower surface of the second box door is abutted with the lower surface of the shell; the inner side surface of the first box door is provided with a first magnetic block, the side wall of the inner part of the shell is provided with a first electromagnet, and when the first box door is closed, the first magnetic block is abutted with the first electromagnet; the inner side surface of the second box door is provided with a second magnetic block, the side wall of the inner part of the shell is provided with a second electromagnet, and when the second box door is closed, the second magnetic block is abutted with the second electromagnet.
Preferably, the sensing assembly comprises a first gravity sensor, a second gravity sensor, a first indicator light, a second indicator light and an external controller, wherein the first gravity sensor is arranged on the second installation frame and is in contact with the first activated carbon plate, the second gravity sensor is arranged on the fourth installation frame and is in contact with the second activated carbon plate, the first indicator light and the second indicator light are arranged on the upper surface of the shell, the first gravity sensor and the second gravity sensor are electrically connected with the external controller, and the first indicator light and the second indicator light are electrically connected with the external controller.
Preferably, the adsorption pore size of the first activated carbon plate is larger than that of the second activated carbon plate.
Preferably, the device further comprises a first propping component and a second propping component, wherein the first propping component is arranged at the first active carbon plate and used for propping the first active carbon plate tightly, and the second propping component is arranged at the second active carbon plate and used for propping the second active carbon plate tightly.
Preferably, the first tight subassembly in top includes first joint box, first slide, a compression spring, a pull rod and a roof, first joint box sets up the terminal surface that deviates from first chamber door at the casing, first smooth chamber has been seted up to the medial surface of first joint box, first slide slides and sets up in first smooth intracavity, a pull rod sets up the lateral surface at first slide and wears to establish a joint box level and extends to the external world, a compression spring level sets up between the bottom of the cavity in lateral surface and first smooth chamber of first slide, and a compression spring overlaps first pull rod is established its in, a roof level sets up the medial surface at first slide, first roof can wear to establish the casing and push away first activated carbon sheet.
Preferably, the second jack assembly comprises a second connecting box, a second sliding plate, a second compression spring, a second pull rod and a second top plate, wherein the second connecting box is arranged on the end face of the shell, which is away from the second box door, the inner side face of the second connecting box is provided with a second sliding cavity, the second sliding plate is arranged in the second sliding cavity in a sliding mode, the second pull rod is arranged on the outer side face of the second sliding plate and penetrates through the second connecting box to extend horizontally to the outside, the second compression spring is horizontally arranged between the outer side face of the second sliding plate and the cavity bottom of the second sliding cavity, the second compression spring is sleeved with the second pull rod, the second top plate is horizontally arranged on the inner side end face of the second sliding plate, and the second top plate can penetrate through the shell to push the second active carbon plate.
The application has the advantages that:
1. Multiple mounting areas: the device is provided with a plurality of mounting areas, each of which allows individual replacement of the activated carbon sheet without the need to remove the other sheet. This design provides flexibility and efficiency so that maintenance personnel can individually replace the activated carbon plates as needed.
2. And (3) a jacking assembly: the device also comprises a jacking component which consists of a connecting box, a sliding plate, a compression spring, a pull rod and a top plate. The jacking assembly provides a compact and efficient mechanism for pushing the activated carbon sheet for replacement while maintaining the stability of the sheet.
3. Intelligent sensing and indicating functions: the gravity sensor and the indicator lamp are used for monitoring and prompting the saturation state of the activated carbon plate. When the activated carbon plate reaches saturation, the sensor triggers the indicator lamp to light up to prompt maintenance personnel to replace
In summary, the application can enable any active carbon plate to be replaced independently and maintained according to the requirement; thus, time and labor can be reduced to the greatest extent, and the service life of the activated carbon sheet can be prolonged. Moreover, the maintenance period can be optimized according to actual conditions and requirements, and the performance of the whole fresh air system is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic overall outline structure of the present utility model;
FIG. 2 is a schematic view of the overall configuration of the door of the present utility model with the door open;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is an enlarged schematic view of a portion of FIG. 3 at A;
Fig. 5 is a partially enlarged schematic view at B of fig. 3.
Reference numerals illustrate:
1001. A first activated carbon sheet; 1002. a second activated carbon sheet; 1. a housing; 11. a fixing plate; 111. a blower; 112. a mounting frame; 12. a first door; 121. a first electromagnet; 122. a first magnetic block; 13. a second door; 131. a second electromagnet; 132. a second magnetic block; 14. a filter screen; 15. a first mounting frame; 16. a second mounting frame; 17. a third mounting frame; 18. a fourth mounting frame; 19. an air outlet; 2. a sensing assembly; 21. a first gravity sensor; 22. a second gravity sensor; 23. a first indicator light; 24. a second indicator light; 3. a first tightening assembly; 31. a first connection box; 32. a first slide plate; 33. a first compression spring; 34. a first pull rod; 35. a first top plate; 36. a first sliding cavity; 4. a second tightening assembly; 41. a second connection box; 42. a second slide plate; 43. a second compression spring; 44. a second pull rod; 45. a second top plate; 46. and a second sliding cavity.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art in a specific case.
First, an embodiment will be described with reference to the accompanying drawings:
The utility model provides a new trend system active carbon purifier, including casing 1, and the lateral part terminal surface of casing 1 is opened, be connected with the fixed plate 11 that the level set up in the inside one side that is close to its top of casing 1, be provided with fan 111 on the fixed plate 11, specifically speaking, the both sides of fan 111 are provided with mounting bracket 112, fan 111 passes through mounting bracket 112 to be set up at the upper surface of fixed plate 11, and fan 111's air exit end sets up downwards, the air intake has been seted up at the lateral wall that casing 1 is close to fan 111 air inlet end, air intake department is provided with filter screen 14, the position department that is close to fan 111 air exit end at fixed plate 11 has been seted up and has been run through self air exit.
A first installation frame 15 horizontally arranged is connected below the fixed plate 11, a second installation frame 16 horizontally arranged below the first installation frame 15, a first installation area is arranged between the first installation frame 15 and the second installation frame 16, a first activated carbon plate 1001 is inserted in the first installation area, a third installation frame 17 horizontally arranged below the second installation frame 16, a fourth installation frame 18 horizontally arranged below the third installation frame 17, a second installation area is arranged between the third installation frame 17 and the fourth installation frame 18, a second activated carbon plate 1002 is inserted in the second installation area, and the adsorption aperture of the first activated carbon plate 1001 is larger than that of the second activated carbon plate 1002.
A first box door 12 and a second box door 13 are hinged on the front surface of the shell 1, the upper surface of the first box door 12 is flush with the upper surface of the shell 1, the lower surface of the first box door 12 is positioned at a second mounting frame 16, the upper surface of the second box door 13 is abutted with the lower surface of the first box door 12, and the lower surface of the second box door 13 is abutted with the lower surface of the shell 1;
A plurality of air outlets 19 which are uniformly arranged in the vertical direction are arranged on two sides of the shell 1, and the air outlets 19 are positioned below the fourth mounting frame 18.
Further, a sensing assembly 2 is provided on the housing 1, the sensing assembly 2 includes a first gravity sensor 21, a second gravity sensor 22, a first indicator lamp 23, a second indicator lamp 24 and an external controller (not shown in the figure), wherein a first groove is provided on the upper surface of the second mounting frame 16, the first gravity sensor 21 is provided in the first groove, the upper surface of the first gravity sensor 21 is abutted to the first activated carbon plate 1001, a second groove is provided on the upper surface of the fourth mounting frame 18, the second gravity sensor 22 is provided in the second groove, the upper surface of the second gravity sensor 22 is abutted to the first activated carbon plate 1002, the first indicator lamp 23 and the second indicator lamp 24 are provided on the upper surface of the housing 1, the first gravity sensor 21 and the second gravity sensor 22 are electrically connected to the external controller, and the first indicator lamp 23 and the second indicator lamp 24 are electrically connected to the external controller;
When the first activated carbon plate 1001 adsorbs impurities in the air for a long time, the weight of the first activated carbon plate 1001 is gradually increased, the adsorption capacity of the first activated carbon plate 1001 is saturated, when the weight of the first activated carbon plate 1001 reaches a preset value of the first gravity sensor 21, the first gravity sensor 21 transmits a signal to an external controller, the external controller controls the first indicator lamp 23 to be turned on, and when a worker sees that the first indicator lamp 23 is on, the first box door 12 is turned on to replace the first activated carbon plate 1001;
When the weight of the second activated carbon plate 1002 reaches the preset value of the second gravity sensor 22, the second gravity sensor 22 transmits a signal to the external controller, the external controller controls the second indicator lamp 24 to be turned on, and when the worker sees that the second indicator lamp 24 is turned on, the second door 13 is opened to replace the second activated carbon plate 1002.
In the second embodiment, based on the first embodiment, the following description is given with reference to the accompanying drawings:
The active carbon purification device of the fresh air system further comprises a first propping assembly 3 and a second propping assembly 4; a first mounting groove is formed in the inner side surface of the first box door 12, a first magnetic block 122 is arranged in the first mounting groove, a first electromagnet 121 is arranged on the inner side wall of the shell 1, the first electromagnet 121 and the first magnetic block 122 are positioned at the same height, and when the first box door 12 is closed, the first magnetic block 122 is abutted with the first electromagnet 121; a second mounting groove is formed in the inner side surface of the second box door 13, a second magnetic block 132 is arranged in the second mounting groove, a second electromagnet 131 is arranged on the inner side wall of the shell 1, the second electromagnet 131 and the second magnetic block 132 are positioned at the same height, and when the second box door 13 is closed, the second magnetic block 132 is abutted with the second electromagnet 131;
the first tightening assembly 3 comprises a first connecting box 31, a first sliding plate 32, a first compression spring 33, a first pull rod 34 and a first top plate 35, wherein the first connecting box 31 is arranged on the end face of the shell 1, which is far away from the first box door 12, the inner side face of the first connecting box 31 is provided with a first sliding cavity 36, the first sliding plate 32 is arranged in the first sliding cavity 36 in a sliding manner, the first pull rod 34 is arranged on the outer side face of the first sliding plate 32 and penetrates through the first connecting box 31 to extend horizontally to the outside, the first compression spring 33 is horizontally arranged between the outer side face of the first sliding plate 32 and the cavity bottom of the first sliding cavity 36, the first compression spring 33 is used for sleeving the first pull rod 34 in the first compression spring 33, the first top plate 35 is horizontally arranged on the inner side end face of the first sliding plate 32, a first through groove is formed on the end face of the shell 1, which is close to the first top plate 35, and the first top plate 35 is in sliding fit with the first through groove and can push the first active carbon plate 1001;
The second tightening assembly 4 comprises a second connecting box 41, a second sliding plate 42, a second compression spring 43, a second pull rod 44 and a second top plate 45, wherein the second connecting box 41 is arranged on the end face of the shell 1, which is far away from the second box door 13, the inner side face of the second connecting box 41 is provided with a second sliding cavity 46, the second sliding plate 42 is arranged in the second sliding cavity 46 in a sliding manner, the second pull rod 44 is arranged on the outer side face of the second sliding plate 42 and penetrates through the second connecting box 41 to extend horizontally to the outside, the second compression spring 43 is arranged between the outer side face of the second sliding plate 42 and the cavity bottom of the second sliding cavity 46 horizontally, the second compression spring 43 is used for sleeving the second pull rod 44 inside, the second top plate 45 is arranged on the inner side end face of the second sliding plate 42 horizontally, the end face of the shell 1, which is close to the second top plate 45, is provided with a second through groove, and the second top plate 45 is in sliding fit with the second through groove and can push the second active carbon plate 1002;
Working principle: when the first activated carbon plate 1001 is installed, the first pull rod 34 is pulled in a direction away from the shell 1, the first sliding plate 32 moves along with the first pull rod, the first compression spring 33 is compressed, the first top plate 35 moves along with the first sliding plate, the first activated carbon plate 1001 is inserted into the first installation area, the first electromagnet 121 is opened, the first box door 12 is closed, the first pull rod 34 is loosened, the first compression spring 33 resets, the first sliding plate 32 is pushed back, the first top plate 35 connected with the first sliding plate 32 penetrates through the first through groove to push the first activated carbon plate 1001 onto the first box door 12, when the first indicator lamp 23 is on, the first electromagnet 121 is closed, the first compression spring 33 pushes the first activated carbon plate 1001 outwards for a part, and the first activated carbon plate 1001 is conveniently taken and replaced; the replacement of the second activated carbon sheet 1002 is the same as the first activated carbon sheet 1001.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are, therefore, to 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 foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the application, but any minor modifications, equivalents, and improvements made to the above embodiments according to the technical principles of the present application should be included in the scope of the technical solutions of the present application.

Claims (9)

1. The utility model provides a new trend system active carbon purifier, its characterized in that, including casing (1), casing (1) inside is provided with fan (111), the lateral wall that casing (1) is close to fan (111) inlet end has been seted up the air intake, air intake department is provided with filter screen (14), the air exit end of fan (111) sets up downwards, is provided with first active carbon plate (1001) and second active carbon plate (1002) in the below of the air exit of fan (111), first active carbon plate (1001) and second active carbon plate (1002) can change alone, the inside sensing component (2) that are provided with of suggestion change first active carbon plate (1001) or second active carbon plate (1002) of casing (1).
2. The fresh air system activated carbon purification device according to claim 1, wherein a fixing plate (11) horizontally arranged is connected to one side, close to the top end, of the inside of the shell (1), a fan (111) is arranged on the fixing plate (11), and an exhaust port penetrating through the fan (111) is formed in a position, close to the exhaust port end of the fan (11), of the fixing plate.
3. The fresh air system activated carbon purification device according to claim 2, wherein a first installation frame (15) horizontally arranged is connected to the lower side of the fixing plate (11), a second installation frame (16) is horizontally arranged below the first installation frame (15), a first installation area is formed between the first installation frame (15) and the second installation frame (16), a first activated carbon plate (1001) is inserted in the first installation area, a third installation frame (17) is horizontally arranged below the second installation frame (16), a fourth installation frame (18) is horizontally arranged below the third installation frame (17), a second installation area is formed between the third installation frame (17) and the fourth installation frame (18), and a second activated carbon plate (1002) is inserted in the second installation area.
4. The fresh air system activated carbon purification device according to claim 1, wherein the front surface of the shell (1) is hinged with a first box door (12) and a second box door (13), the upper surface of the first box door (12) is flush with the upper surface of the shell (1), the lower surface of the first box door (12) is positioned at the second mounting frame (16), the upper surface of the second box door (13) is abutted with the lower surface of the first box door (12), and the lower surface of the second box door (13) is abutted with the lower surface of the shell (1); the inner side surface of the first box door (12) is provided with a first magnetic block (122), the inner side wall of the shell (1) is provided with a first electromagnet (121), and when the first box door (12) is closed, the first magnetic block (122) is abutted with the first electromagnet (121); a second magnetic block (132) is arranged on the inner side surface of the second box door (13), a second electromagnet (131) is arranged on the inner side wall of the shell (1), and when the second box door (13) is closed, the second magnetic block (132) is abutted against the second electromagnet (131).
5. The fresh air system activated carbon purification device according to claim 1, wherein the sensing assembly (2) comprises a first gravity sensor (21), a second gravity sensor (22), a first indicator lamp (23), a second indicator lamp (24) and an external controller, the first gravity sensor (21) is arranged on the second mounting frame (16) and is in contact with the first activated carbon plate (1001), the second gravity sensor (22) is arranged on the fourth mounting frame (18) and is in contact with the second activated carbon plate (1002), the first indicator lamp (23) and the second indicator lamp (24) are arranged on the upper surface of the shell (1), the first gravity sensor (21) and the second gravity sensor (22) are electrically connected with the external controller, and the first indicator lamp (23) and the second indicator lamp (24) are electrically connected with the external controller.
6. The fresh air system activated carbon purification device according to claim 1, wherein the adsorption pore size of the first activated carbon plate (1001) is larger than the adsorption pore size of the second activated carbon plate (1002).
7. The fresh air system activated carbon purification device according to claim 4, further comprising a first propping assembly (3) and a second propping assembly (4), wherein the first propping assembly (3) is arranged at the first activated carbon plate (1001) and is used for propping the first activated carbon plate (1001), and the second propping assembly (4) is arranged at the second activated carbon plate (1002) and is used for propping the second activated carbon plate (1002).
8. The fresh air system activated carbon purification device according to claim 7, wherein the first tightening assembly (3) comprises a first connecting box (31), a first sliding plate (32), a first compression spring (33), a first pull rod (34) and a first top plate (35), the first connecting box (31) is arranged on the end face of the shell (1) deviating from the first box door (12), a first sliding cavity (36) is formed in the inner side face of the first connecting box (31), the first sliding plate (32) is slidably arranged in the first sliding cavity (36), the first pull rod (34) is arranged on the outer side face of the first sliding plate (32) and penetrates through the first connecting box (31) to extend outwards, the first compression spring (33) is horizontally arranged between the outer side face of the first sliding plate (32) and the cavity bottom of the first sliding cavity (36), the first compression spring (33) is sleeved on the first pull rod (34), the first top plate (35) is horizontally arranged on the inner side face of the first sliding plate (32), and the first top plate (35) can be pushed against the first sliding plate (1001).
9. The fresh air system activated carbon purification device according to claim 7, wherein the second tightening assembly (4) comprises a second connecting box (41), a second sliding plate (42), a second compression spring (43), a second pull rod (44) and a second top plate (45), the second connecting box (41) is arranged on the end face of the shell (1) deviating from the second box door (13), a second sliding cavity (46) is formed in the inner side face of the second connecting box (41), the second sliding plate (42) is slidably arranged in the second sliding cavity (46), the second pull rod (44) is arranged on the outer side face of the second sliding plate (42) and penetrates through the second connecting box (41) to extend to the outside, the second compression spring (43) is horizontally arranged between the outer side face of the second sliding plate (42) and the cavity bottom of the second sliding cavity (46), the second compression spring (43) is used for sleeving the second pull rod (44) in the second connecting box, the second sliding plate (45) is horizontally arranged on the inner side face of the second sliding plate (42), and the second top plate (45) can be pushed against the active carbon plate (1002).
CN202322221930.7U 2023-08-18 2023-08-18 Active carbon purifying device of fresh air system Active CN220892482U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322221930.7U CN220892482U (en) 2023-08-18 2023-08-18 Active carbon purifying device of fresh air system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322221930.7U CN220892482U (en) 2023-08-18 2023-08-18 Active carbon purifying device of fresh air system

Publications (1)

Publication Number Publication Date
CN220892482U true CN220892482U (en) 2024-05-03

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ID=90838948

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322221930.7U Active CN220892482U (en) 2023-08-18 2023-08-18 Active carbon purifying device of fresh air system

Country Status (1)

Country Link
CN (1) CN220892482U (en)

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