Indoor fresh air circulating device

Abstract

The utility model discloses an indoor fresh air circulation device in the technical field of indoor fresh air circulation, which comprises a shell of circulation equipment, two first guide pipes mounted on one side of the shell and two second guide pipes mounted on the other side of the shell, and a fan is mounted on the inner side of the shell and positioned on one side of the first guide pipes. A partition plate is installed in the middle of the interior of the shell and can divide the interior of the shell into two air flowing cavities, the other fan can pump air out of the shell through a first guide pipe, flow guide holes in the partition plate can facilitate air flowing, and the problems that when existing equipment conducts indoor fresh air ventilation operation, the air purifying and filtering effect is poor, and the ventilation efficiency is high are solved. The problems that dust or other impurities are easily contained in fresh air, a filtering structure in an existing device is tedious in replacement operation and inconvenient to clean or replace, air inlet and air outlet of the existing device cannot be conveniently switched during air exchange, and the cleanliness and practicability of air exchange operation of the device are affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to indoor fresh air circulation technical field, specifically is a kind of indoor fresh air circulation device. BACKGROUND

[0002] Fresh air refers to the air outside the building, or the air that has not been circulated by air conditioning ventilation system before entering the building, and the fresh air outlet of air conditioning unit, fresh air handling unit and variable air volume air conditioning unit is directly connected with the outside space of building, introduces fresh air, and the fresh air system is according to the one side in closed indoor with special equipment to send fresh air to indoor, then by special equipment to outdoor from the other side, in indoor it will form "fresh air flow field", to meet the needs of indoor fresh air exchange, air circulation device is applied to fresh air system, and it is a kind of equipment for the ventilation function of indoor.

[0003] The air purification and filtration effect of the existing equipment is not good when carrying out indoor fresh air exchange operation, which can easily lead to dust or other impurities in the fresh air, and the replacement operation of the filter structure in the existing equipment is more cumbersome, and the filter structure cannot be cleaned or replaced conveniently, and the existing equipment cannot switch the air inlet and air outlet conveniently when ventilating, which affects the cleanliness and practicability of the equipment during ventilation operation, therefore, the technical personnel in the art provides a kind of indoor fresh air circulation device to solve the problems raised in the above background technology. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of indoor fresh air circulation device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of indoor fresh air circulation device, including the shell of circulation equipment, two first pipes of installation in the shell one side and two second pipes of installation in the shell other side, fan is installed in the shell inside and located first pipe one side, the middle part of the shell interior is installed with baffle, the center of baffle one side is equipped with flow guide hole;

[0006] Adjusting assembly for adjusting the gap of flow guide hole is installed in the flow guide hole, and two groups of filter assemblies for purifying air are installed in the shell and located on both sides of the baffle.

[0007] Preferably, the adjusting assembly includes a support shaft installed at the bottom of the flow guide hole, a sealing plate is installed at the top of the support shaft, a rotating rod is installed at the top of the sealing plate, an activity slot is formed in the inner side of the rotating rod to provide an activity space, the support shaft is rotatably connected with the sealing plate, the rotating rod is fixedly connected with the sealing plate, and the sealing plate is circular.

[0008] Preferably, the adjusting assembly further comprises a pad plate mounted on the inner side of the movable groove, a driving rod for driving is mounted on the top of the pad plate, a spring for extruding is sleeved on the outer side of the driving rod, a fixing plate is mounted on the top of the driving rod, a lock catch rod is connected to the bottom of the fixing plate and on both sides of the driving rod, two movable through holes are formed on the top of the driving rod, and a plurality of lock catch grooves are formed on the top of the shell in a circumferential arrangement.

[0009] Preferably, the filtering assembly comprises air guide frames mounted on the inner side of the shell and located on both sides of the partition plate, a movable frame is mounted on the inner side of the air guide frame, a connecting block is mounted on the top of the movable frame, a driving frame is sleeved on the outer side of the connecting block, the connecting block is T-shaped in cross section, and the connecting block is movably connected with the driving frame.

[0010] Preferably, the filtering assembly comprises first filter plates placed in the movable frame, second filter plates are placed on one side of the first filter plates, and an adsorption frame is placed between the two second filter plates, two adsorption cavities for filling activated carbon are formed on the inner side of the adsorption frame, and the first filter plates, the second filter plates and the adsorption frame are movably connected with the movable frame.

[0011] Preferably, a plurality of flow guide plates are uniformly arranged on the inner side of the adsorption cavity, and the flow guide plates are arranged in an inclined manner.

[0012] Preferably, a plurality of grooves are uniformly arranged on the other side of the first filter plate, and the grooves are isosceles trapezoidal in cross section.

[0013] Compared with the prior art, the air filter has the advantages that:

[0014] 1、In the air filter, the shell is divided into two air flow cavities by the partition plate and the flow guide holes, one fan can draw air into the shell through the first conduit, another fan can draw air out of the shell through the first conduit, the flow guide holes on the partition plate can facilitate the flow of air, the adjusting assembly can adjust the air flow gap of the flow guide holes, so that one fan can draw air out of the shell through the flow guide holes, and another fan can draw air into the shell through the two second conduits, so that the air in the shell passes through the flow guide holes and is drawn out of the shell through another first conduit, the air circulation area for fresh air is increased, and the efficiency and practicality of the equipment for air circulation of fresh air are improved.

[0015] 2. The utility model discloses, through setting up support axle, sealing plate and lock catch lever, utilize the driving lever to drive the slide of the gasket in the movable slot, and the gasket extrudes spring simultaneously, then the driving lever drives the lock catch lever of fixed plate bottom to separate from the lock catch groove and enter movable through -hole, support axle can support sealing plate, and the rotating lever can drive sealing plate to rotate in the flow guide hole, and spring can extrude gasket, make gasket drive the lock catch lever of fixed plate bottom and insert in the lock catch groove, thereby adjusting the area of the air flow of flow guide hole.

[0016] 3. The utility model discloses, through setting up movable frame, first filter board, second filter board and adsorption frame, first filter board mainly is HEPA filter core, and second filter board mainly is non -woven cloth material, and driving frame can drive movable frame to separate and place in the air -guide frame through the connecting block, and two adsorption cavities can carry out double -sided adsorption purification to the dust in the air, and first filter board, second filter board and adsorption frame can separate from movable frame to facilitate the replacement or cleaning of operating personnel, and first filter board, second filter board can carry out multiple purification filtration to the air, and the activated carbon in adsorption frame carries out adsorption purification to the dust in the air, improve the effect and practicality that equipment carries out purification filtration to the air. ACCOUNT OF DRAWINGS

[0017] Figure 1 It is the schematic diagram of the whole structure of the utility model;

[0018] Figure 2 It is the front view cut -out solid of the whole structure of the utility model Figure 1 ;

[0019] Figure 3 It is the front view cut -out solid of the whole structure of the utility model Figure 2 ;

[0020] Figure 4 It is the Figure 2 enlarged view of A place in the whole structure of the utility model;

[0021] Figure 5 It is the Figure 3 enlarged view of B place in the whole structure of the utility model;

[0022] Figure 6 It is the structural schematic diagram of the rotating lever, driving lever, fixed plate, lock catch lever, movable through -hole in the whole structure of the utility model;

[0023] Figure 7 It is the structural schematic diagram of movable frame, connecting block, driving frame, first filter board, second filter, adsorption frame and recess in the whole structure of the utility model.

[0024] In the figure: 1, the shell; 2, the first conduit; 3, the second conduit; 4, the fan; 5, the partition; 6, the flow guide hole; 7, the support shaft; 8, the sealing plate; 9, the rotating rod; 10, the movable slot; 11, the pad plate; 12, the driving rod; 13, the spring; 14, the fixed plate; 15, the lock catch rod; 16, the movable through hole; 17, the lock catch slot; 18, the air guide frame; 19, the movable frame; 20, the connecting block; 21, the driving frame; 22, the first filter plate; 23, the second filter plate; 24, the adsorption frame; 25, the adsorption cavity; 26, the flow guide plate; 27, the groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-7 In the embodiments of the utility model, an indoor fresh air circulation device comprises a shell of a circulation device, two first conduits 2 installed on one side of the shell 1 and two second conduits 3 installed on the other side of the shell 1. A fan 4 is installed on the inner side of the shell 1 and located on one side of the first conduit 2. A partition 5 is installed in the middle of the inner part of the shell 1. A flow guide hole 6 is formed in the center of one side of the partition 5. An adjusting assembly for adjusting the clearance of the flow guide hole 6 is installed in the flow guide hole 6. Two groups of filter assemblies for purifying air are installed on both sides of the partition 5 in the shell 1.

[0027] In use, the partition 5 can divide the shell 1 into two air flow cavities. The first conduit 2 and the second conduit 3 correspond to each other. One fan 4 can draw air into the shell 1 through the first conduit 2. The other fan 4 can draw air out of the shell 1 through the first conduit 2. The flow guide hole 6 on the partition 5 can facilitate the flow of air. The adjusting assembly can adjust the air flow clearance of the flow guide hole 6. One fan 4 can draw air out of the shell 1 through the flow guide hole 6 and the two second conduits 3. The other fan 4 can draw air into the shell 1 through the two second conduits 3. The air in the shell 1 can pass through the flow guide hole 6 and the other first conduit 2 to be drawn out of the shell 1. The air circulation area for fresh air is increased. The efficiency and practicality of the device for fresh air circulation are improved.

[0028] In one embodiment, specifically, the adjusting assembly comprises a supporting shaft 7 installed at the bottom of the flow guide hole 6, a sealing plate 8 installed at the top of the supporting shaft 7, a rotating rod 9 installed at the top of the sealing plate 8, a moving slot 10 provided at the inner side of the rotating rod 9 for providing a moving space, a pad plate 11 installed at the inner side of the moving slot 10, a driving rod 12 installed at the top of the pad plate 11 for driving, a spring 13 sleeved at the outer side of the driving rod 12 for pressing, a fixed plate 14 installed at the top of the driving rod 12, a lock rod 15 connected at the bottom of the fixed plate 14 and located at both sides of the driving rod 12, two moving through holes 16 provided at the top of the driving rod 12, a plurality of lock grooves 17 circumferentially provided at the top of the shell 1, the driving rod 12 is fixedly connected with the pad plate 11, the pad plate 11 is slidably connected with the moving slot 10, the lock rod 15 is movably connected with the moving through hole 16, the supporting shaft 7 is rotatably connected with the sealing plate 8, the rotating rod 9 is fixedly connected with the sealing plate 8, and the sealing plate 8 is circular.

[0029] Wherein, the pad plate 11 is driven by the driving rod 12 to slide in the moving slot 10, and at the same time, the pad plate 11 presses the spring 13, then the driving rod 12 drives the lock rod 15 at the bottom of the fixed plate 14 to disengage from the lock groove 17 and enter the moving through hole 16, the supporting shaft 7 can support the sealing plate 8, the rotating rod 9 can drive the sealing plate 8 to rotate in the flow guide hole 6, and the spring 13 can press the pad plate 11, so that the pad plate 11 drives the lock rod 15 at the bottom of the fixed plate 14 to insert into the lock groove 17, thereby adjusting the air flow area of the flow guide hole 6.

[0030] Further, the filtering assembly comprises an air guide frame 18 installed at the inner side of the shell 1 and located at both sides of the partition plate 5, a movable frame 19 installed at the inner side of the air guide frame 18, a connecting block 20 installed at the top of the movable frame 19, a driving frame 21 sleeved at the outer side of the connecting block 20, the filtering assembly comprises a first filter plate 22 placed at both sides of the movable frame 19, a second filter plate 23 placed at one side of the first filter plate 22, and an adsorption frame 24 placed between the two second filter plates 23, two adsorption cavities 25 filled with activated carbon are provided at the inner side of the adsorption frame 24, the first filter plate 22, the second filter plate 23 and the adsorption frame 24 are movably connected with the movable frame 19, the connecting block 20 is T-shaped in cross section, the connecting block 20 is movably connected with the driving frame 21, and the movable frame 19 is movably connected with the air guide frame 18.

[0031] In one embodiment, specifically, the first filter plate 22 is mainly a HEPA filter core, the second filter plate 23 is mainly a non-woven fabric material, the driving frame 21 can drive the movable frame 19 to be separated from and placed in the air guide frame 18 through the connecting block 20, the two adsorption cavities 25 can double-adsorb and purify dust in the air, the first filter plate 22, the second filter plate 23 and the adsorption frame 24 can be separated from the movable frame 19 so as to be convenient for operators to replace or clean, the first filter plate 22 and the second filter plate 23 can multi-purify and filter air, the activated carbon in the adsorption frame 24 can adsorb and purify impurities or dust in the air, and the effect and practicability of the equipment for purifying and filtering air are improved.

[0032] The plurality of guide plates 26 are obliquely arranged, and the plurality of guide plates 26 can increase the contact area of air and the activated carbon in the adsorption cavity 25, prolong the air flow path, and make the activated carbon fully adsorb and purify air.

[0033] The plurality of grooves 27 can increase the contact area of the first filter plate 22 and air, and improve the effect of the first filter plate 22 for purifying and filtering air.

[0034] The working principle of the utility model is as follows:

[0035] First, the driving rod 12 drives the pad plate 11 to slide in the movable groove 10, and the pad plate 11 extrudes the spring 13, then the driving rod 12 drives the lock catch rod 15 at the bottom of the fixed plate 14 to be separated from the lock catch groove 17 and enter the movable through hole 16, then the rotating rod 9 drives the sealing plate 8 to rotate in the guide hole 6, and the supporting shaft 7 supports the sealing plate 8, then the driving rod 12 is slowly released, at this time, the spring 13 extrudes the pad plate 11, then the pad plate 11 drives the lock catch rod 15 at the bottom of the fixed plate 14 to be inserted into the lock catch groove 17, the lock catch rod 15 is locked and fixed through the inclination angle of the sealing plate 8 in the guide hole 6 of the rotating rod 9, then one of the fans 4 is started to drive air to enter the shell 1 through the first conduit 2, then the air enters the shell 1, then the air passes through the guide hole 6 and is guided out of the shell 1 through the two second conduits 3 to circulate fresh air, at this time, the first filter plate 22 and the second filter plate 23 multi-purify and filter air, and the activated carbon in the adsorption frame 24 adsorbs and purifies dust in the air, meanwhile, the plurality of guide plates 26 guide air, prolong the contact path of air and the activated carbon, when it is needed to clean or replace the first filter plate 22, the second filter plate 23 and the adsorption frame 24, the driving frame 21 drives the movable frame 19 to be separated from the air guide frame 18 through the connecting block 20, then the first filter plate 22, the second filter plate 23 and the adsorption frame 24 in the movable frame 19 are taken out to be cleaned or replaced.

[0036] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the scope of protection of the present application.

Claims

1. An indoor fresh air circulation device, comprising a shell (1) of a circulation device, two first conduits (2) installed on one side of the shell (1), and two second conduits (3) installed on the other side of the shell (1), characterized in that: A fan (4) is installed inside the shell (1) on the side of the first conduit (2), a partition (5) is installed in the middle of the interior of the shell (1), and a flow guide hole (6) is formed in the center of one side of the partition (5). Adjusting assemblies for adjusting the gaps of the flow guide holes (6) are installed in the flow guide holes (6), and two sets of filtering assemblies for purifying air are installed in the shell (1) on both sides of the partition (5).

2. The indoor fresh air circulation device according to claim 1, characterized in that: The adjusting assembly comprises a support shaft (7) installed at the bottom of the flow guide hole (6), a sealing plate (8) installed at the top of the support shaft (7), and a rotating rod (9) installed at the top of the sealing plate (8), wherein an activity groove (10) for providing an activity space is formed in the inner side of the rotating rod (9), the support shaft (7) is rotatably connected with the sealing plate (8), the rotating rod (9) is fixedly connected with the sealing plate (8), and the sealing plate (8) is circular.

3. The indoor fresh air circulation device according to claim 2, characterized in that: The adjusting assembly further comprises a backing plate (11) installed in the inner side of the activity groove (10), a driving rod (12) installed at the top of the backing plate (11) for driving, a spring (13) sleeved on the outer side of the driving rod (12) for pressing, a fixed plate (14) installed at the top of the driving rod (12), and a lock rod (15) connected with the driving rod (12) on both sides at the bottom of the fixed plate (14), wherein two activity through holes (16) are formed at the top of the driving rod (12), a plurality of lock grooves (17) are formed in a circular arrangement at the top of the shell (1), the driving rod (12) is fixedly connected with the backing plate (11), the backing plate (11) is slidably connected with the activity groove (10), and the lock rod (15) is movably connected with the activity through hole (16).

4. The indoor fresh air circulation device according to claim 1, characterized in that: The filtering assembly comprises an air guide frame (18) installed in the inner side of the shell (1) on both sides of the partition (5), and a movable frame (19) installed in the inner side of the air guide frame (18), wherein a connecting block (20) is installed at the top of the movable frame (19), a driving frame (21) is sleeved on the outer side of the connecting block (20), the connecting block (20) is T-shaped in cross section, the connecting block (20) is movably connected with the driving frame (21), and the movable frame (19) is movably connected with the air guide frame (18).

5. The indoor fresh air circulation device according to claim 4, characterized in that: The filtering assembly comprises a first filter plate (22) placed in the interior of the movable frame (19) on both sides, a second filter plate (23) placed on one side of the first filter plate (22), and an adsorption frame (24) placed between the two second filter plates (23), wherein two adsorption cavities (25) filled with activated carbon are formed in the inner side of the adsorption frame (24), and the first filter plate (22), the second filter plate (23), and the adsorption frame (24) are movably connected with the movable frame (19).

6. The indoor fresh air circulation device according to claim 5, characterized in that: A plurality of flow guide plates (26) are uniformly arranged in the inner side of the adsorption cavity (25), and the flow guide plates (26) are arranged in an inclined manner.

7. The indoor fresh air circulation device according to claim 5, characterized in that: A plurality of grooves (27) are uniformly arranged on the other side of the first filter plate (22), and the grooves (27) are isosceles trapezoidal in cross section.

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