CN217057807U - A new type of multi-layer purified air supply device for clean operating room - Google Patents

Abstract

The utility model belongs to the field of air supply equipment, in particular to a multi-layer type air supply device for purifying air dedicated to a novel clean operating room, comprising a casing, a first fixing frame and a filter assembly; a motor is fixedly connected to the top of the casing The output end of the motor is fixed with a rotating shaft; the rotating shaft is fixed with a fan blade and a first gear; the inner side wall of the casing is provided with a chute; the two sides of the first fixing frame are symmetrically fixed There is a pair of first sliding blocks; the first sliding blocks are slidably connected to the chute; the bottom side of the casing is bolted with an air outlet plate; , the first gear, the second gear, the cleaning brush, the first fixed frame and the filter cover, when in use, the motor will drive the transmission shaft and the cleaning brush to rotate, and then the filter cover can be cleaned by the cleaning brush, so that the The dust of the filter screen cover is not easy to accumulate and block, thereby reducing the impact on the air supply in the operating room.

Description

A new type of multi-layer purified air supply device for clean operating room

technical field

The utility model relates to the field of air supply equipment, in particular to a multi-layer type purifying air supply device dedicated to a novel clean operating room.

Background technique

The air supply device is a device and device that supplies fresh air to the room for the exchange of indoor and outdoor air.

In the current technology, an air supply device is installed in the operating room to deliver fresh air to the operating room, and a multi-layer filter system is installed inside the air supply device, in which a filter screen and a high-efficiency filter are installed. The filter screen is mainly used for preliminary Filtration to reduce dust in the air. High-efficiency filters are used for high-precision filtration. However, when used for a long time, dust will accumulate on the surface of the filter screen, which will then block the filter screen, thereby affecting the flow of air, which in turn affects the supply of air to the operating room; therefore , In view of the above problems, a new type of multi-layer purified air supply device for clean operating rooms is proposed.

Utility model content

In order to make up for the deficiencies of the prior art, at least one technical problem proposed in the background art is solved.

The technical solution adopted by the utility model to solve the technical problem is as follows: the multi-layer type air supply device for purifying air dedicated to the novel clean operating room described in the utility model comprises a casing, a first fixing frame and a filter assembly; the casing A motor is fixed on the top of the body; a rotating shaft is fixed on the output end of the motor; a fan blade and a first gear are fixed on the rotating shaft; a chute is provided on the inner side wall of the casing; A pair of first sliding blocks are fixed symmetrically on both sides; the first sliding blocks are slidably connected to the chute; the bottom side of the casing is bolted with an air outlet plate; the first fixing frame is fixed with a filter screen cover; the filter screen cover is circular truncated; the filter screen cover is rotatably connected with a transmission shaft; the transmission shaft is fixed with a cleaning brush and a second gear; the first gear and the second gear are meshed with each other; The filter assembly is arranged at the bottom of the housing, and the filter cover can be cleaned by a cleaning brush, so that the dust of the filter cover is not easy to accumulate and block, thereby reducing the impact on air filtration and thereby reducing the impact on air supply.

Preferably, the filter assembly includes a second fixing frame; an activated carbon filter plate is fixed in the second fixing frame; the second fixing frame is arranged at the bottom of the first fixing frame; the bottom of the second fixing frame is provided with The high-efficiency filter body; both sides of the high-efficiency filter body and the second fixing frame are fixed with a second slider; the second slider is slidably connected in the chute, and the activated carbon filter plate is used in the adsorption cavity irritating gases and some harmful gases.

Preferably, a dust discharge pipe is fixed on the side of the first fixing frame; a threaded cylinder is fixed on the end of the dust discharge pipe; Subsequent treatment of dust.

Preferably, both the second fixing frame and the top side of the high-efficiency filter body are fixed with a rubber ring; the top side of the second fixing frame and the top side of the high-efficiency filter are respectively fixed with a first rod body and a second rod body; The bottom side of the first fixing frame is provided with a first slot at the corresponding position of the first rod body; the bottom side of the second fixing frame and the corresponding position of the second rod body are provided with a second slot, so as to reduce the occurrence of dislocation during installation case, easy to install.

Preferably, a sliding groove is formed at the bottom of the casing; a sliding rod is slidably connected in the sliding groove; one end of the sliding rod is fixed with a connecting plate, and the other end is fixed with a piston rod; a piston cylinder is connected; the piston rod penetrates the bottom wall of the piston cylinder and is slidably connected with it; the top of the piston rod is fixedly connected with a piston plate; a through hole is formed on the piston plate; There is a support frame, when disassembling, the staff does not need to hold the high-efficiency filter body at the bottom all the time, which is convenient for disassembly and installation.

Preferably, two sides of the support frame are symmetrically provided with a pair of extending grooves; a fixing rod is slidably connected in the extending groove; a spring is fixedly connected between the fixing rod and the bottom side wall of the extending groove; The inner side wall of the housing is provided with a slot at the corresponding position of the fixing rod; the bottom side of the fixing rod is fixed with a pulling rod; When the air outlet board is supported, the support frame is supported for easy installation.

The beneficial part of the present utility model is:

1. The utility model is provided with a transmission shaft, a first gear, a second gear, a cleaning brush, a first fixing frame and a filter screen cover. When in use, the motor will drive the transmission shaft and the cleaning brush to rotate, and then the cleaning brush can Clean the filter cover, so that the dust of the filter cover is not easy to accumulate and block, thereby reducing the impact on the air supply in the operating room.

2. The utility model can support the bottom of the high-efficiency filter body by means of the support frame, the connecting plate, the sliding rod, the piston cylinder, the piston rod and the piston plate by setting the support frame, the connecting plate, the sliding rod, the piston cylinder, the piston rod and the piston plate, and cooperate with the piston cylinder, the piston rod and the piston plate. , so as to delay the falling speed, reduce the impact force caused by sudden falling, and thus reduce the damage of the device.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

FIG. 1 is a schematic view of the shell structure of the first embodiment;

FIG. 2 is a schematic structural diagram of a side view of the casing according to the first embodiment;

Fig. 3 is the partial enlarged view of A place in Fig. 1;

Fig. 4 is a partial enlarged view of A in Fig. 2

5 is a schematic diagram of the structure of the support frame of the first embodiment;

FIG. 6 is a schematic structural diagram of the sealing ring according to the second embodiment.

In the figure: 11, housing; 12, first fixed frame; 13, filter screen cover; 14, motor; 15, shaft; 16, transmission shaft; 17, cleaning brush; 18, chute; 19, air outlet; 21. High efficiency filter body; 22. Second fixing frame; 23. Activated carbon filter plate; 31. Dust exhaust pipe; 32. Threaded cylinder; 33. Collection pipe; 41. Rubber ring; 42. First rod body; Two rod body; 51, support frame; 52, connecting plate; 53, piston cylinder; 54, piston rod; 541, piston plate; 61, extending groove; 62, fixing rod;

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

Please refer to FIGS. 1-5 , the multi-layer type air supply device for clean air dedicated to the new clean operating room includes a housing 11, a first fixing frame 12 and a filter assembly; a motor 14 is fixed on the top of the housing 11; The output end of the motor 14 is fixed with a rotating shaft 15; the rotating shaft 15 is fixed with a fan blade and a first gear; the inner side wall of the casing 11 is provided with a chute 18; A pair of first sliding blocks are fixed symmetrically on the sides; the first sliding blocks are slidably connected to the chute 18; the bottom side of the casing 11 is bolted with an air outlet plate 19; the first fixing frame 12 is fixed inside There is a filter screen cover 13; the filter screen cover 13 is in the shape of a truncated cone; a transmission shaft 16 is rotatably connected to the filter screen cover 13; a cleaning brush 17 and a second gear are fixed on the transmission shaft 16; A gear and a second gear mesh with each other; the filter assembly is located at the bottom of the housing 11 ; the filter assembly includes a second fixing frame 22 ; an activated carbon filter plate 23 is fixed in the second fixing frame 22 ; Two fixing frames 22 are arranged at the bottom of the first fixing frame 12 ; a high-efficiency filter body 21 is arranged at the bottom of the second fixing frame 22 ; Two sliding blocks; the second sliding block is slidably connected in the chute 18; the side of the first fixing frame 12 is fixed with a dust discharge pipe 31; the end of the dust discharge pipe 31 is fixed with a threaded cylinder 32; The bottom of the threaded barrel 32 is connected with a collecting pipe 33 through threads; during installation, the casing 11 is installed on the ceiling, and the top of the casing 11 is communicated with the outdoor through pipes, and then the first fixing frame 12 and the second fixing frame are sequentially connected. 22 and the high-efficiency filter body 21 are put into the housing 11, while the first slider and the second slider slide into the chute 18, so that the first fixed frame 12, the second fixed frame 22 and the high-efficiency filter The device body 21 is positioned, and then the air outlet plate 19 is bolted and fixed to complete the assembly of the device. This detachable fixing method can facilitate later replacement and maintenance, and the filter cover 13 can filter the dust in the air. To reduce the dust in the airflow, the high-efficiency filter body 21 is the filter device of the existing air supply device, and its filtration precision is high. The activated carbon filter plate 23 is used to absorb the irritating gas and part of the harmful gas in the cavity. After the assembly is completed , the first fixed frame 12 is located at the top of the chute 18, then the first gear and the second gear mesh, and then when the motor 14 works to supply air to the operating room, it will drive the transmission shaft 16 and the cleaning brush 17 to rotate, and the cleaning brush 17 can Clean the filter cover 13, so that the dust of the filter cover 13 is not easy to accumulate and block, thereby reducing the impact on air filtration, thereby reducing the impact on the air supply, the circular truncated structure design of the filter cover 13, so that The filterable area can be increased, so that it is not easy to be blocked. During use, the dust will gather at the bottom of the filter screen cover 13, and then under the push of the cleaning brush 17, it will enter the collection pipe 33 through the dust discharge pipe 31. , so as to collect the dust, which is convenient for the subsequent processing of the dust.

The second fixing frame 22 and the top side of the high-efficiency filter body 21 are both fixed with a rubber ring 41; the top side of the second fixing frame 22 and the top side of the high-efficiency filter are respectively fixed with a first rod body 42 and a second rod body 43; the bottom side of the first fixing frame 12 is provided with a first slot 63 at the corresponding position of the first rod body 42; the bottom side of the second fixing frame 22 and the corresponding position of the second rod body 43 are provided with a second slot 63; 63; During installation, the first fixed frame 12 and the second fixed frame 22 are stacked in sequence, and then the first rod body 42 and the second rod body 43 are inserted into the first card slot 63 and the second card slot 63 respectively, and can be sequentially It is positioned to reduce the situation of dislocation during installation and facilitate installation. By setting the rubber ring 41, the joint can be sealed, thereby reducing the outflow of air from the joint.

The bottom of the casing 11 is provided with a sliding groove; a sliding rod is slidably connected in the sliding groove; one end of the sliding rod is fixed with a connecting plate 52, and the other end is fixed with a piston rod 54; A piston cylinder 53 is fixedly connected; the piston rod 54 penetrates the bottom wall of the piston cylinder 53 and is slidably connected with it; the top of the piston rod 54 is fixedly connected with a piston plate 541; the piston plate 541 is provided with a through hole; a pair of A support frame 51 is fixed between the connecting plates 52; in the later replacement and maintenance, the staff removes the air outlet plate 19, and then the high efficiency filter body 21 and the first fixing frame 12 on the top of the support frame 51 are fixed with the second fixing frame 19. The frame 22 will move down, and at the same time drive the piston rod 54 to move down, the piston cylinder 53 is filled with liquid, because the hole on the piston plate 541 is small, the liquid in the rod cavity of the piston cylinder 53 slowly enters the rodless through the through hole. In order to make the support frame 51 fall slowly, thereby delaying the falling speed, reducing the impact force caused by the sudden drop, thereby reducing the damage of the device, the support frame 51 and the piston rod 54 cooperate to support the high-efficiency filter. When disassembling the main body 21, the staff does not need to hold the high-efficiency filter main body 21 at the bottom all the time, which is convenient for disassembly and installation.

Two sides of the support frame 51 are symmetrically provided with a pair of extending grooves 61 ; a fixing rod 62 is slidably connected in the extending groove 61 ; The inner side wall of the housing 11 is provided with a slot 63 at the corresponding position of the fixing rod 62; the bottom side of the fixing rod 62 is fixed with a pull rod; the pull rod is slidably connected with the extension groove 61; The support frame 51 is pushed into the housing 11 from the bottom, and then the surface of the fixing rod 62 slides on the inner side wall of the housing 11, and then its end corresponds to the slot 63, and then is inserted into the slot 63 under the action of the spring to In this way, the support frame 51 is fixed, so that there is no need for the staff to hold the support frame 51 when installing the air outlet plate 19, which is convenient for installation. By pulling out, the fixing of the support frame 51 is released.

Embodiment 2

Please refer to FIG. 6 , in Comparative Example 1, as another embodiment of the present invention, a sealing ring 7 is fixed on the inner side wall of the housing 11 ; the bottom side of the sealing ring 7 is connected to the first fixing frame 12 contact; during installation, the bottom side of the sealing ring 7 is in contact with the first fixing frame 12, thereby sealing the gap between the first fixing frame 12 and the inner side wall of the housing 11, thereby reducing the entry of air into the chute 18 , thereby reducing the outflow of filtered air.

Working principle, during installation, the casing 11 is installed on the ceiling, and the top of the casing 11 is connected to the outdoor through pipes, and then the first fixing frame 12, the second fixing frame 22 and the high-efficiency filter body 21 are put into the In the housing 11, the first slider and the second slider slide into the chute 18, so that the first fixed frame 12, the second fixed frame 22 and the high efficiency filter body 21 can be positioned, and then bolted and fixed The air outlet plate 19 is used to complete the assembly of the device. This detachable fixing method can facilitate later replacement and maintenance. The filter cover 13 can filter the dust in the air and reduce the dust in the airflow. The high-efficiency filter body 21 is the filter device of the existing air supply device, which has high filtering precision. The activated carbon filter plate 23 is used to absorb the irritating gas and part of the harmful gas in the cavity. After the assembly is completed, the first fixing frame 12 is located in the chute 18. At the top, then the first gear and the second gear mesh, and then when the motor 14 works to supply air to the operating room, it will drive the transmission shaft 16 and the cleaning brush 17 to rotate, and the cleaning brush 17 can clean the filter screen cover 13, so that the The dust of the filter cover 13 is not easy to accumulate and block, so as to reduce the impact on air filtration, thereby reducing the impact on the air supply. The circular truncated structure design of the filter cover 13 can increase the filterable area, so that It is not easy to be blocked. During use, the dust will gather at the bottom of the filter screen cover 13, and then under the push of the cleaning brush 17, it will enter the collection pipe 33 through the dust discharge pipe 31, so as to collect the dust, which is convenient for subsequent The dust is treated, the first fixed frame 12 and the second fixed frame 22 are stacked in sequence, and then the first rod body 42 and the second rod body 43 are inserted into the first card slot 63 and the second card slot 63 respectively, and the It is positioned to reduce the dislocation during installation and facilitate installation. By setting the rubber ring 41, the connection can be sealed, thereby reducing the outflow of air from the connection. After the air plate 19, the high efficiency filter body 21 and the first fixed frame 12 and the second fixed frame 22 on the top of the support frame 51 will move downward, and at the same time drive the piston rod 54 to move downward, and the piston cylinder 53 is filled with liquid. The hole on the plate 541 is small, and the liquid in the rod cavity of the piston cylinder 53 slowly enters into the rodless cavity through the through hole, so that the support frame 51 falls slowly, thereby slowing down the falling speed and reducing the impact force generated by sudden falling, thereby To reduce the damage of the device, the high-efficiency filter body 21 can be supported by the cooperation of the support frame 51 and the piston rod 54. When disassembling, the staff does not need to hold the high-efficiency filter body 21 at the bottom all the time, which is convenient for disassembly and installation. , During installation, push the support frame 51 into the housing 11 from the bottom, then the surface of the fixing rod 62 slides on the inner side wall of the housing 11, and then its end corresponds to the slot 63, and then is inserted into the housing 11 under the action of the spring. In this way, the support frame 51 is fixed, so that there is no need for the staff to hold the support frame 51 when installing the air outlet plate 19, which is convenient for entering For installation, when disassembling, the worker pulls the pull rod to pull out the fixing rod 62 from the clamping slot 63 , thereby releasing the fixing of the support frame 51 .

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The basic principles, main features and advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention There will also be various changes and improvements in the new model, which all fall within the scope of the claimed invention.

Claims (6)

1. The multi-layer type air supply device for cleaning air dedicated to the new clean operating room is characterized in that: it comprises a casing (11), a first fixing frame (12) and a filter assembly; the top of the casing (11) is fixed with a A motor (14); a rotating shaft (15) is fixedly connected to the output end of the motor (14); a fan blade and a first gear are fixedly connected to the rotating shaft (15); A sliding groove (18); two sides of the first fixing frame (12) are symmetrically fixed with a pair of first sliding blocks; the first sliding blocks are slidably connected to the sliding groove (18); the casing (11) ) An air outlet plate (19) is bolted on the bottom side; a filter screen cover (13) is fixedly connected in the first fixing frame (12); the filter screen cover (13) is in the shape of a circular cone; the filter screen cover (13) is rotatably connected with a transmission shaft (16); a cleaning brush (17) and a second gear are fixed on the transmission shaft (16); the first gear and the second gear are meshed with each other; the filter assembly It is arranged at the bottom of the casing (11). 2 . The multi-layered air supply device for cleaning air for a novel clean operating room according to claim 1 , wherein the filter assembly comprises a second fixing frame (22); the second fixing frame (22) An activated carbon filter plate (23) is fixed inside; the second fixing frame (22) is arranged at the bottom of the first fixing frame (12); the bottom of the second fixing frame (22) is provided with a high-efficiency filter body (21) a second sliding block is fixedly connected to both sides of the high efficiency filter body (21) and the second fixing frame (22); the second sliding block is slidably connected in the chute (18). 3. The multi-layered air supply device for cleaning air dedicated to a novel clean operating room according to claim 2, characterized in that: a dust exhaust pipe (31) is fixedly connected to the side of the first fixing frame (12); the A threaded cylinder (32) is fixedly connected to the end of the dust discharge pipe (31); 4. The multi-layered air supply device for clean air for a new clean operating room according to claim 3, characterized in that: the second fixing frame (22) and the top side of the high-efficiency filter body (21) are both fixedly connected A rubber ring (41) is provided; the top side of the second fixing frame (22) and the top side of the high-efficiency filter are respectively fixed with a first rod body (42) and a second rod body (43); the first fixing frame (12) ) A first clamping slot (63) is opened at the position corresponding to the bottom side of the first rod body (42); a second clamping groove is opened at the position corresponding to the bottom side of the second fixing frame (22) and the second rod body (43) (63). 5 . The multi-layered clean air supply device for a new clean operating room according to claim 4 , wherein a sliding groove is provided at the bottom of the casing (11); a sliding groove is slidably connected in the sliding groove. 6 . rod; one end of the sliding rod is fixed with a connecting plate (52), and the other end is fixed with a piston rod (54); a piston cylinder (53) is fixed on the surface of the casing (11); the piston rod ( 54) penetrates through the bottom wall of the piston cylinder (53) and is slidably connected with it; the top of the piston rod (54) is fixedly connected with a piston plate (541); the piston plate (541) is provided with a through hole; a pair of the A support frame (51) is fixedly connected between the connecting plates (52). 6. The multi-layer type air supply device for clean air dedicated to the novel clean operating room according to claim 5, characterized in that: two sides of the support frame (51) are symmetrically provided with a pair of protruding grooves (61); A fixing rod (62) is slidably connected in the extending groove (61); a spring is fixedly connected between the fixing rod (62) and the bottom side wall of the extending groove (61); the inner side of the casing (11) A clamping slot (63) is formed at a position corresponding to the wall and the fixing rod (62); a pulling rod is fixedly connected to the bottom side of the fixing rod (62); the pulling rod is slidably connected with the extending groove (61).

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