CN220541274U - Fresh air filtering device for laboratory - Google Patents

Abstract

The utility model discloses a laboratory fresh air filtering device, which comprises a filtering device main body, wherein a dust removing mechanism is fixed outside the filtering device main body, a motor and a filtering module are arranged inside the filtering device main body, an output shaft of the motor is connected with a driving shaft in a transmission way, and an outer ring of the driving shaft is fixedly sleeved with fan blades, and the laboratory fresh air filtering device further comprises: a linkage mechanism; a cleaning mechanism; the filter module comprises a fixing mechanism, wherein a fixing rod is fixedly connected to the outside of the filter module, and a movable rod is sleeved inside the fixing rod. According to the utility model, the front end of the telescopic rod is driven to be clamped in the linkage rod by starting the telescopic rod, the linkage rod is driven to rotate by rotating the driving shaft, and then the cam fixedly sleeved on the outer ring of the linkage rod is driven to rotate, and two cleaning brushes are propped against each other in the rotating process of the cam, so that the cleaning brushes reciprocate up and down, the cleaning brushes clean a filter screen of the filter module shell, and meanwhile, the dust collector is started to recover cleaned dust without influencing subsequent filtration.

Description

Fresh air filtering device for laboratory

Technical Field

The utility model relates to the field of fresh air filtration, in particular to a laboratory fresh air filtration device.

Background

The fresh air system is an air purifying device, outdoor air is purified by a fresh air fan to be led into a room, circulation of indoor and outdoor air is guaranteed, some harmful gases can be generated in some experimental processes in a laboratory, and an experimenter is in the environment of the harmful gases for a long time and possibly affects the body, so that the indoor air and the outdoor air are required to be replaced and updated rapidly.

The prior Chinese patent publication number is: CN212068028U provides a laboratory air purification device, including purifying the storehouse, the air inlet has been seted up in the left side of purifying the storehouse inner chamber, the inner chamber fixedly connected with outer protection network of air inlet, the inner chamber of purifying the storehouse is equipped with driving motor, driving motor's output fixedly connected with fan leaf, driving motor's top and the equal fixedly connected with dead lever in bottom, one side that driving motor was kept away from to the dead lever and the junction fixed connection who purifies the storehouse. According to the laboratory air purification device, the problems that the laboratory air purification device in the prior market does not have the function of conveniently disassembling and replacing the filter module, the filter device needs to be replaced after being used for a period of time, the replacement operation is time-consuming and labor-consuming, the operation difficulty of a user is high, and the normal use of equipment is affected are solved through the purification bin, the air inlet, the driving motor, the fan blades, the filter module, the air outlet inclined plate, the adjusting frame, the clamping pin, the clamping groove, the moving rod, the moving handle and the spring.

The above purification device has the following problems when in use: foretell purifier still needs manual stirring two bayonet locks when installing and dismantling filter equipment, just can contact the spacing in order to change the filtration module to the draw-in groove, and just abandon whole filtration module when the filtration module of looper to do not handle back secondary or repetitious usage to filtration module, cause certain wasting of resources like this, it is not environmental protection.

Therefore, it is necessary to invent a laboratory fresh air filter device to solve the above problems.

Disclosure of Invention

The utility model aims to provide a laboratory fresh air filter device, which solves the problems that the purification device provided in the background art needs to manually stir two clamping pins when the filter device is assembled and disassembled, the limiting of a clamping groove can be contacted so as to conveniently replace a filter module, the whole filter module is discarded when the filter module is more looped, the filter module is not used for two times or more after being processed, a certain resource waste is caused, and the environment is not protected.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a laboratory new trend filter equipment, includes the filter equipment main part, the outside of filter equipment main part is fixed with dust removal mechanism, the inside of filter equipment main part is provided with motor and filtration module, and motor output shaft transmission is connected with the drive shaft to the outer lane of drive shaft is fixed to have cup jointed the flabellum, still includes:

the end part of the driving shaft is fixedly connected with a telescopic rod, the end part of the telescopic rod is matched with the linkage rod, and the outer ring of the linkage rod is fixedly sleeved with a cam;

the outer ring of the filter module is movably sleeved with a cleaning brush;

the filter comprises a fixing mechanism, wherein the outside of the filter module is fixedly connected with a fixing rod, the inside of the fixing rod is sleeved with a movable rod, the outer ring of the movable rod is fixedly connected with a pull rope, the pull rope is fixedly connected with a connecting plate, and a clamping block is fixedly connected to the outside of the connecting plate.

Preferably, the filter device main body comprises filter chamber, air intake and air outlet, the air intake has been seted up to one end of filter chamber, and the other tip of filter chamber is connected with the curb plate through the pivot rotation to the air outlet has been seted up to the curb plate inside.

Preferably, the linkage mechanism comprises:

the end part of the fixed end of the telescopic rod is fixedly connected with the front end of the driving shaft, and two symmetrical convex blocks are fixedly connected with the two outer sides of the movable end of the telescopic rod;

the end part of the linkage rod, which is close to one side of the telescopic rod, is internally provided with a clamping groove matched with the movable end of the telescopic rod, the other end part of the linkage rod penetrates through the outer wall of the shell of the filter module, and the linkage rod is rotationally connected with the penetrating opening through a bearing;

and the outer ring of the linkage rod is fixedly sleeved with a cam.

Preferably, the dust removing mechanism is composed of a dust collector and a dust collecting pipe, wherein:

the dust collector is fixedly connected to the lower part outside the filter cavity, two symmetrical dust collection pipes are fixedly connected to the dust collection opening of the dust collector, and the pipe opening of the dust collection pipes penetrates through the inside of the filter cavity.

Preferably, the cleaning mechanism consists of a cleaning brush and a first spring, the cleaning brush is movably sleeved on the outer ring of the filter module in a square frame, the inner ring of the cleaning brush is fixedly connected with bristles, and the bristles are in contact with a filter screen arranged in the shell of the filter module;

the two ends of the first spring are fixedly connected with the shell of the filter module and the cleaning brush respectively.

Preferably, the fixing mechanism includes:

the filter module comprises a fixed rod and a movable rod, wherein one end part of the fixed rod is fixedly connected with a shell of the filter module, and a sliding groove is formed in the fixed rod for the movable rod to move;

one end part of the second spring is fixedly connected with the movable rod, and the other end part of the second spring is fixedly connected with the inner wall of the sliding groove in the fixed rod;

the two ends of the pull rope are fixedly connected with the movable rod and the connecting plate respectively;

the filtering device comprises a connecting plate and a clamping block, wherein a columnar clamping block is fixedly connected to the outer part of the connecting plate, the clamping block penetrates through the inner part of a shell of the filtering module, the end part of the clamping block can be clamped in a clamping groove preset in the inner part of the filtering cavity, and the connecting plate and the clamping block are made of plastic materials;

and the third spring is movably sleeved on the outer ring of the columnar clamping block, one end part of the third spring is fixedly connected with the shell of the filter module, and the other end part of the third spring is fixedly connected with the connecting plate.

In the technical scheme, the utility model has the technical effects and advantages that:

1. the front end of the telescopic rod is driven to be clamped inside the linkage rod by starting the telescopic rod, the linkage rod is driven to rotate by rotating the driving shaft, and then the cam fixedly sleeved on the outer ring of the linkage rod is driven to rotate, and two cleaning brushes are propped against each other in the rotating process of the cam, so that the cleaning brushes reciprocate up and down, the cleaning brushes clean a filter screen of the filter module shell, and meanwhile, the dust cleaned by the dust collector is recovered by starting the dust collector, so that the subsequent filtration is not influenced;

2. the movable rod is pulled outwards to drive the stay rope to pull the connecting plate, and then the clamping block is driven to leave the clamping groove inside the filter cavity, the filter module can be taken out by pulling the filter module outwards by holding the fixed rod, and therefore the operation of disassembling the filter module is more convenient.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a perspective view of a first view of the overall structure of the present utility model;

FIG. 2 is a second perspective view of the overall structure of the present utility model;

FIG. 3 is a perspective view of the overall structure of the filter chamber (partially cut-away) of the present utility model from a first perspective;

FIG. 4 is a second perspective view of the overall structure of the filter chamber (partially cut-away) of the present utility model;

FIG. 5 is a perspective view of a first view of the overall structure of the filter module of the present utility model;

FIG. 6 is a perspective view of a second view of the overall structure of the filter module of the present utility model;

FIG. 7 is a perspective view of a telescopic link and linkage rod mating structure of the present utility model;

fig. 8 is a side view of a filtration module of the present utility model.

Reference numerals illustrate:

1. a filter device body; 101. a filter chamber; 102. an air inlet; 103. an air outlet; 2. a motor; 3. a drive shaft; 4. a fan blade; 5. a filtering module; 6. a linkage mechanism; 601. a telescopic rod; 602. a linkage rod; 603. a cam; 7. a dust removing mechanism; 701. a dust collector; 702. a dust collection pipe; 8. a cleaning mechanism; 801. a cleaning brush; 802. a first spring; 9. a fixing mechanism; 901. a fixed rod; 902. a movable rod; 903. a second spring; 904. a pull rope; 905. a connecting plate; 906. a clamping block; 907. and a third spring.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a laboratory fresh air filtering device as shown in figures 1-8, which comprises a filtering device main body 1, wherein a dust removing mechanism 7 is fixed outside the filtering device main body 1, a motor 2 and a filtering module 5 are arranged inside the filtering device main body 1, an output shaft of the motor 2 is in transmission connection with a driving shaft 3, and an outer ring of the driving shaft 3 is fixedly sleeved with a fan blade 4, and the laboratory fresh air filtering device further comprises:

the end part of the driving shaft 3 is fixedly connected with a telescopic rod 601, the end part of the telescopic rod 601 is matched with the linkage rod 602, and the outer ring of the linkage rod 602 is fixedly sleeved with a cam 603;

the cleaning mechanism 8 is movably sleeved with a cleaning brush 801 on the outer ring of the filtering module 5;

the fixed mechanism 9, the outside fixedly connected with dead lever 901 of filtration module 5, and the inside cover of dead lever 901 is equipped with movable rod 902 to the outer lane fixedly connected with stay cord 904 of movable rod 902, stay cord 904 and connecting plate 905 fixed connection, and connecting plate 905 outside fixedly connected with fixture block 906.

The filter device main body 1 is composed of a filter cavity 101, an air inlet 102 and an air outlet 103, wherein the air inlet 102 is formed at one end part of the filter cavity 101, the other end part of the filter cavity 101 is connected with a side plate through a hinge shaft in a rotating manner, and the air outlet 103 is formed in the side plate and used for introducing outdoor air and purifying.

The linkage mechanism 6 comprises:

the end part of the fixed end of the telescopic rod 601 is fixedly connected with the front end of the driving shaft 3, and two symmetrical convex blocks are fixedly connected to the two outer sides of the movable end of the telescopic rod 601;

the end part of the linkage rod 602, which is close to one side of the telescopic rod 601, is internally provided with a clamping groove matched with the movable end of the telescopic rod 601, the other end part of the linkage rod 602 penetrates through the outer wall of the shell of the filter module 5, and the linkage rod 602 is rotationally connected with the penetrating opening through a bearing;

the outer ring of the linkage rod 602 is fixedly sleeved with a cam 603, and the front end of the telescopic rod 601 is clamped into the linkage rod 602 so as to drive the linkage rod 602 to rotate.

The dust removing mechanism 7 is composed of a dust collector 701 and a dust collection pipe 702, wherein:

the dust collector 701 is fixedly connected to the lower part outside the filter cavity 101, two symmetrical dust collection pipes 702 are fixedly connected to the dust collection opening of the dust collector 701, and the pipe opening of the dust collection pipes 702 penetrates through the inside of the filter cavity 101.

The cleaning mechanism 8 consists of a cleaning brush 801 and a first spring 802, the cleaning brush 801 is movably sleeved on the outer ring of the filter module 5 in a square frame, the inner ring of the cleaning brush 801 is fixedly connected with bristles, the bristles are in contact with a filter screen arranged in the shell of the filter module 5, the shell of the filter module 5 is cleaned, and the use effect of the filter module 5 is better;

the two ends of the first spring 802 are fixedly connected with the housing of the filter module 5 and the cleaning brush 801 respectively, and are used for resetting the cleaning brush 801.

The fixing mechanism 9 comprises:

the filter comprises a fixed rod 901 and a movable rod 902, wherein one end part of the fixed rod 901 is fixedly connected with the shell of the filter module 5, and a sliding groove is formed in the fixed rod 901 for the movable rod 902 to move;

one end part of the second spring 903 is fixedly connected with the movable rod 902, and the other end part of the second spring 903 is fixedly connected with the inner wall of the sliding groove in the fixed rod 901;

a pull rope 904, two ends of which are respectively fixedly connected with the movable rod 902 and the connecting plate 905;

the connecting plate 905 and the clamping block 906, wherein the columnar clamping block 906 is fixedly connected to the outer part of the connecting plate 905, the clamping block 906 penetrates through the inside of the shell of the filter module 5, the end part of the clamping block 906 can be clamped in a clamping groove preset in the inside of the filter cavity 101, and the connecting plate 905 and the clamping block 906 are made of plastic materials;

and a third spring 907 is movably sleeved on the outer ring of the columnar clamping block 906, one end part of the third spring 907 is fixedly connected with the shell of the filtering module 5, the other end part of the third spring 907 is fixedly connected with the connecting plate 905, the pulling of the movable rod 902 can drive the pulling rope 904 to pull the clamping block 906 to move, and the filtering module 5 is convenient to replace in one step of operation.

Working principle: when the laboratory fresh air filtering device is used, firstly, the motor 2 is started to drive the driving shaft 3 to rotate, so that the fan blades 4 are driven to rotate, external air is pumped into the filter cavity 101, and the filter module 5 filters the air;

when the shell of the filter module 5 needs to be cleaned, the motor 2 is started to drive the telescopic rod 601 to rotate, so that the position of the protruding block at the front end of the telescopic rod 601 corresponds to the position of the clamping groove in the linkage rod 602, then the telescopic rod 601 is started, the movable end of the telescopic rod is clamped in the corresponding groove in the linkage rod 602, the linkage rod 602 is synchronously driven to rotate when the driving shaft 3 rotates, and then the cam 603 is driven to rotate to respectively prop against the two cleaning brushes 801, as shown in fig. 3, the cam 603 props against the lower cleaning brush 801 to move downwards, when the cam 603 continuously rotates, the end part of the cam 603 leaves the lower cleaning brush 801, the first spring 802 loses the action of force to start reset to push the lower cleaning brush 801 to move upwards, the lower cleaning brush 801 reciprocates upwards and downwards, the upper cleaning brush 801 reciprocates upwards and downwards in the same way, during the movement, the cleaned dust is absorbed into the dust cleaner through the dust absorption pipe 702, the dust absorption filter cavity 101 is cleaned, and the dust inside the filter cavity 101 is prevented from influencing the subsequent filtering work;

the side plate at the air outlet 103 of the filter cavity 101 is opened, the movable rod 902 is pulled outwards, the movable rod 902 moves outwards, the pull rope 904 is driven to pull the connecting plate 905 to move, the connecting plate 905 moves to drive the clamping block 906 to leave the corresponding clamping groove in the filter cavity 101, the filter module 5 can be pulled outwards by holding the fixed rod 901, the filter module 5 is installed in the filter cavity 101 by holding the movable rod 902 and pulling the fixed rod 901 in the same manner as the operation steps when the filter module 5 is installed, the movable rod 902 is loosened, the spring III 907 and the spring II 903 are reset to drive the clamping block 906 to be clamped in the clamping groove in the filter cavity 101 again, and the filter module 5 can be installed.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. The utility model provides a laboratory new trend filter equipment, includes filter equipment main part (1), the outside of filter equipment main part (1) is fixed with dust removal mechanism (7), the inside of filter equipment main part (1) is provided with motor (2) and filtration module (5), and motor (2) output shaft transmission is connected with drive shaft (3) to the outer lane of drive shaft (3) is fixed to have cup jointed flabellum (4), its characterized in that still includes:

the end part of the driving shaft (3) is fixedly connected with a telescopic rod (601), the end part of the telescopic rod (601) is matched with the linkage rod (602), and the outer ring of the linkage rod (602) is fixedly sleeved with a cam (603);

the cleaning mechanism (8) is movably sleeved with a cleaning brush (801) at the outer ring of the filtering module (5);

fixed establishment (9), the outside fixedly connected with dead lever (901) of filtration module (5), and the inside cover of dead lever (901) is equipped with movable rod (902) to the outer lane fixedly connected with stay cord (904) of movable rod (902), stay cord (904) and connecting plate (905) fixed connection, and connecting plate (905) outside fixedly connected with fixture block (906).

2. The fresh air filtering device for the laboratory according to claim 1, wherein the filtering device main body (1) is composed of a filtering cavity (101), an air inlet (102) and an air outlet (103), the air inlet (102) is formed in one end portion of the filtering cavity (101), a side plate is connected to the other end portion of the filtering cavity (101) through a hinge shaft in a rotating mode, and the air outlet (103) is formed in the side plate.

3. Laboratory fresh air filter according to claim 1, characterized in that the linkage (6) comprises:

the end part of the fixed end of the telescopic rod (601) is fixedly connected with the front end of the driving shaft (3), and two symmetrical convex blocks are fixedly connected to the two outer sides of the movable end of the telescopic rod (601);

the device comprises a linkage rod (602) and a cam (603), wherein a clamping groove matched with the movable end of the telescopic rod (601) is formed in the end part, close to one side of the telescopic rod (601), of the linkage rod (602), the other end part of the linkage rod (602) penetrates through the outer wall of a shell of the filter module (5), and the linkage rod (602) is in rotary connection with a penetrating opening through a bearing;

and a cam (603) is fixedly sleeved on the outer ring of the linkage rod (602).

4. Laboratory fresh air filter according to claim 1, characterized in that the dust removal mechanism (7) consists of a dust collector (701) and a dust collection tube (702), wherein:

the dust collector (701) is fixedly connected to the outer lower part of the filter cavity (101), two symmetrical dust collection pipes (702) are fixedly connected to the dust collection opening of the dust collector (701), and the pipe opening of the dust collection pipes (702) penetrates through the inside of the filter cavity (101).

5. The laboratory fresh air filtering device according to claim 1, wherein the cleaning mechanism (8) consists of a cleaning brush (801) and a first spring (802), the cleaning brush (801) is movably sleeved on the outer ring of the filtering module (5) in a square frame, bristles are fixedly connected to the inner ring of the cleaning brush (801), and the bristles are in contact with a filter screen arranged in the shell of the filtering module (5);

the two ends of the first spring (802) are fixedly connected with the shell of the filter module (5) and the cleaning brush (801) respectively.

6. Laboratory fresh air filter according to claim 1, characterized in that the fixing means (9) comprise:

the filter comprises a fixed rod (901) and a movable rod (902), wherein one end part of the fixed rod (901) is fixedly connected with a shell of the filter module (5), and a sliding groove is formed in the fixed rod (901) for the movable rod (902) to move;

one end part of the second spring (903) is fixedly connected with the movable rod (902), and the other end part of the second spring (903) is fixedly connected with the inner wall of the sliding groove in the fixed rod (901);

the two ends of the pull rope (904) are fixedly connected with the movable rod (902) and the connecting plate (905) respectively;

the filter module comprises a connecting plate (905) and a clamping block (906), wherein a columnar clamping block (906) is fixedly connected to the outer part of the connecting plate (905), the clamping block (906) penetrates through the inside of a shell of the filter module (5), the end part of the clamping block (906) can be clamped in a clamping groove preset in the inside of the filter cavity (101), and the connecting plate (905) and the clamping block (906) are both made of plastic materials;

and the third spring (907) is movably sleeved on the outer ring of the columnar clamping block (906), one end part of the third spring (907) is fixedly connected with the shell of the filter module (5), and the other end part of the third spring (907) is fixedly connected with the connecting plate (905).