CN120714073A

CN120714073A - Medical device disinfection device

Info

Publication number: CN120714073A
Application number: CN202510938229.8A
Authority: CN
Inventors: 石洪秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2025-02-27
Filing date: 2025-07-08
Publication date: 2025-09-30
Also published as: CN119838036A

Abstract

The utility model provides a medical instrument degassing unit, includes the sterilizer, locates the first frame of placing that is used for placing the apparatus in the sterilizer, locates the degassing unit in the sterilizer and is used for discharging the discharge portion of antiseptic solution. The disinfection cabinet comprises a cabinet body, an installation opening arranged on the cabinet body, a door plate arranged on the installation opening in a rotating mode, and a first placing frame arranged in the cabinet body. The disinfection device comprises a fixed block which is arranged in the cabinet body in a sliding way, the fixed block is arranged in the center of the cabinet body in a symmetrical way, a supporting frame and a first motor are arranged on the fixed block, a carrying ring is arranged between the two supporting frames in a rotating way, a liquid spraying device is arranged in the center of the inner ring of the carrying ring in a symmetrical way, and the first motor is connected with the carrying ring through a transmission part. According to the invention, the two liquid spraying devices are arranged on the carrying ring, and the first motor drives the carrying ring to rotate through the transmission part, and meanwhile, the two liquid spraying devices can spray the sterilizing liquid of the medical instrument placed on the first placing frame, so that the comprehensive sterilizing effect of the medical instrument is achieved.

Description

Medical instrument disinfection device

Technical Field

The invention belongs to the field of medical instrument disinfection, and particularly relates to a medical instrument disinfection device.

Background

Medical devices refer to instruments, devices, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items that are used directly or indirectly on the human body. When in use, the medical instrument can directly contact the body or body fluid of a patient, so that the medical instrument needs to be disinfected before being used, and the disinfection treatment can not only eliminate microorganisms on the medical instrument, but also remove a large amount of polluted organic matters, bacteria, pyrogens and the like, thereby being beneficial to keeping the clean state and the functional performance of the medical instrument. When the existing medical instruments are sterilized, the instruments are placed on the sterilizing frame, then sterilizing liquid is sprayed on the surfaces of the medical instruments, and then the medical instruments are required to be turned over for re-sterilization, so that the sterilizing efficiency is low and the sterilizing is not uniform enough.

Disclosure of Invention

The invention aims to provide a medical instrument disinfection device to solve the technical problems in the background technology.

In order to achieve the above purpose, the specific technical scheme of the medical instrument disinfection device of the invention is as follows:

The utility model provides a medical instrument degassing unit, includes the sterilizer, locates the first frame of placing that is used for placing the apparatus in the sterilizer, locates the degassing unit in the sterilizer and is used for discharging the discharge portion of antiseptic solution. The disinfection cabinet comprises a cabinet body, an installation opening arranged on the cabinet body, a door plate arranged on the installation opening in a rotating mode, and a first placing frame arranged in the cabinet body. The disinfection device comprises a fixed block which is arranged in the cabinet body in a sliding way, the fixed block is arranged in the center of the cabinet body in a symmetrical way, a supporting frame and a first motor are arranged on the fixed block, a carrying ring is arranged between the two supporting frames in a rotating way, a liquid spraying device is arranged in the center of the inner ring of the carrying ring in a symmetrical way, and the first motor is connected with the carrying ring through a transmission part. The liquid spraying device comprises a storage box arranged on the outer wall of the cabinet body, a spray pipe arranged on the inner ring wall of the carrying ring, and a liquid pump in the spray pipe and the storage box are communicated through a connecting pipe. The reciprocating devices are symmetrically arranged on the cabinet body at the longitudinal center of the cabinet body, and each reciprocating device is correspondingly connected with the fixed block. The discharge part comprises a collecting tank arranged in the cabinet body, the collecting tank is positioned below the sterilizing device, and a discharge pipe is communicated with the bottom surface of the collecting tank.

Further, a connecting frame is arranged on the fixed block, and an annular gear is arranged on the connecting frame. The lifting plate is arranged on the inner ring wall of the carrying ring corresponding to the spray pipe, the spray pipe and the lifting plate are rotatably arranged, and the spray pipe is connected with the carrying ring through a spring. The second gear is arranged on the spray pipe in a rotating way, and is eccentrically arranged on the spray pipe and meshed with the annular gear.

Further, the transmission part comprises a first gear arranged on the first motor, an outer gear ring sleeved on the carrying ring, and the first gear is meshed with the outer gear ring.

Further, the reciprocating device comprises a screw rod which is rotationally arranged on the cabinet body, a second motor which is arranged on the outer wall of the cabinet body, the second motor is connected with the screw rod, and the screw rod penetrates through the corresponding fixed block and is in threaded connection with the corresponding fixed block.

Further, the support frame comprises a rib plate arranged on the fixed block, two support plates arranged on the rib plate in a detachable mode, two groups of limiting wheels are rotatably arranged on the inner wall of each support plate, and the object carrying ring is arranged between the two groups of limiting wheels of each support plate and is supported.

Further, the support plate and the rib plate are arranged in a sliding manner, the two ends of the rib plate are provided with the protruding blocks, the two protruding blocks are provided with the bidirectional threaded rod in a rotating manner, the bidirectional threaded rod penetrates through the two support plates and is in threaded connection with the two support plates, and the two ends of the bidirectional threaded rod are provided with the hand wheels.

Further, the spray pipe and the object carrying ring are obliquely provided with limiting columns, the two limiting columns are coaxially arranged, and the spring is sleeved on the two limiting columns.

Further, the cabinet body is internally provided with a second placing frame, the cabinet body is internally provided with a lifting device for driving the second placing frame to move, and the second placing frame is matched with the first placing frame. The first placing frame comprises first supporting rods which are symmetrically arranged on the longitudinal central line of the cabinet body, and a plurality of first connecting rods are distributed between the two first supporting rods at intervals. The second placing frame comprises second supporting rods symmetrically arranged on the longitudinal central line of the cabinet body, a plurality of longitudinal rods are distributed on the bottom surface of each second supporting rod at intervals, and the longitudinal rods of the two second supporting rods are connected through a second connecting rod. Each longitudinal rod is positioned at the inner side of the first connecting rod, and the second connecting rods and the first connecting rods are arranged in a staggered way. The lifting device comprises an electric push rod arranged on the top surface inside the cabinet body, a connecting plate is arranged at the telescopic end of the electric push rod, lifting rods are arranged at two ends of the bottom surface of the connecting plate, and the lifting rods are connected with the second connecting rods.

The medical instrument disinfection device has the following advantages:

1. According to the invention, the two liquid spraying devices are arranged on the carrying ring, and the first motor drives the carrying ring to rotate through the transmission part, and meanwhile, the two liquid spraying devices can spray the sterilizing liquid of the medical instrument placed on the first placing frame, so that the comprehensive sterilizing effect of the medical instrument is achieved.

2. According to the invention, the inner gear ring is arranged, the second gear is arranged on the spray pipe, and the spring is matched, so that when the spray pipe is driven to move by the object carrying ring, the spray pipe can reciprocate along the axial direction of the object carrying ring, and the spray range of the spray pipe is increased.

Drawings

FIG. 1 is a schematic view of a medical instrument sterilizing apparatus according to the present invention;

FIG. 2 is a schematic view of the structure of the sterilizing apparatus according to the present invention;

FIG. 3 is a schematic view of a support frame according to the present invention;

FIG. 4 is a schematic view of a liquid spraying apparatus according to the present invention;

fig. 5 is a schematic view of a first placement frame and a second placement frame according to the present invention.

The figure indicates:

1. Cabinet body, 2, mounting port, 3, door panel, 4, first placing frame, 41, first supporting rod, 42, first connecting rod, 5, second placing frame, 51, second supporting rod, 52, longitudinal rod, 53, second connecting rod, 54, lifting rod, 55, connecting plate, 56, electric push rod, 6, supporting frame, 61, rib plate, 62, supporting plate, 63, limiting wheel, 7, bidirectional threaded rod, 8, hand wheel, 9, carrying ring, 10, outer tooth ring, 11, fixed block, 12, first motor, 13, first gear, 14, reciprocating device, 141, second motor, 142, screw rod, 15, lifting plate, 16, spray pipe, 17, spring, 18, connecting frame, 19, inner tooth ring, 20, second gear, 21, limiting column, 22, collecting tank, 23, discharging pipe, 24, storage box, 25 and connecting pipe.

Detailed Description

For a better understanding of the objects, structure and function of the invention, a medical instrument sterilizing apparatus according to the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, a medical instrument sterilizing apparatus of the present invention includes a sterilizing cabinet, a first placing frame 4 provided in the sterilizing cabinet for placing instruments, a sterilizing apparatus provided in the sterilizing cabinet for sterilizing the instruments, and a discharging part for discharging sterilizing liquid. When the medical instrument sterilizing device is used, only medical instruments to be sterilized are required to be placed on the first placement frame 4, then the sterilizing device is started to sterilize the instruments, and sterilizing liquid sprayed out of the sterilizing device can be collected through the discharging part and discharged outwards, so that the medical instrument sterilizing device is convenient to use.

Specifically, the disinfection cabinet comprises a cabinet body 1, a mounting opening 2 is formed in the cabinet body 1, a door plate 3 for sealing the mounting opening 2 is rotatably arranged on the mounting opening 2, and a first placing frame 4 is positioned in the cabinet body 1. The front and the back of the cabinet body 1 are provided with the mounting openings 2, and the door plates 3 on the mounting openings 2 are of double-door design, so that the cabinet body 1 can be manually placed with sufficient moving space, and the occupied space of the door plates 3 when opened is saved. The first placing frame 4 is located inside the cabinet body 1 and is flush with the bottom surface of the mounting opening 2, so that the instrument can be placed on the first placing frame 4 conveniently.

The sterilizing device for sterilizing the instruments on the first placing frame 4 comprises a fixed block 11 which is arranged in the cabinet body 1 in a sliding manner, and the fixed block 11 is arranged with the center of the cabinet body 1 symmetrically. Wherein, a chute is arranged on one side of the fixed block 11 close to the inner wall of the cabinet body 1, and a slide rail matched with the chute of the fixed block 11 is arranged on the inner wall of the cabinet body 1, so that the fixed block 11 slides in the cabinet body 1. The fixed block 11 is also provided with a supporting frame 6 and a first motor 12, and the first motor 12 is connected with an external power supply. And a carrying ring 9 is also rotatably arranged between the two supporting frames 6, liquid spraying devices are symmetrically arranged at the center of the inner ring of the carrying ring 9, and the liquid spraying devices are arranged towards the center of the carrying ring 9 so as to spray disinfectant to the instruments in the first placing frame 4. In order to realize the rotation of the carrying ring 9, the first motor 12 is connected with the carrying ring 9 through a transmission part. It should be noted that, when the first placing frame 4 is positioned in the carrying ring 9, the first motor 12 and the liquid spraying device can be started simultaneously during the disinfection of the apparatus, the first motor 12 drives the carrying ring 9 to reciprocate through the transmission part, the liquid spraying device sprays disinfectant simultaneously on the top surface and the back surface of the apparatus positioned on the first placing frame 4, and in the process that the carrying ring 9 drives the liquid spraying device to rotate, the liquid spraying device can also spray disinfectant on the side surface of the apparatus, so that the comprehensive effect on the apparatus can be achieved, the work of manually turning the apparatus is saved, the disinfection efficiency of the apparatus is improved, and the apparatus is disinfected more comprehensively and uniformly.

The transmission part for connecting the first motor 12 and the carrying ring 9 comprises a first gear 13 arranged on the first motor 12, an outer gear ring 10 sleeved on the carrying ring 9, and the first gear 13 is meshed with the outer gear ring 10. The first motor 12 rotates to drive the first gear 13 to rotate, the first gear 13 rotates to drive the outer gear ring 10 to rotate, and the outer gear ring 10 also drives the carrier ring 9 connected with the outer gear ring to rotate. It should be noted that, the first motor 12 can rotate positively and negatively, so that the spray pipe 16 on the carrying ring 9 can spray disinfectant to each instrument on the first placing frame 4 repeatedly, so that the instrument can be disinfected more thoroughly, and meanwhile, the sprayed disinfectant can also wash away impurities on the surface of the instrument, so that the practicability of the disinfection device is further improved.

In order to make the carrying ring 9 smoother when rotating on the supporting frame 6, the supporting frame 6 is composed of two support plates 62 detachably arranged on the rib plates 61 and two groups of limiting wheels 63 rotatably arranged on the inner wall of each support plate 62, and the carrying ring 9 is positioned between the two groups of limiting wheels 63 of each support plate 62 for supporting. When the first motor 12 drives the carrying ring 9 to rotate through the transmission part, the carrying ring 9 rotates under the rotation of the limiting wheel 63, so that the carrying ring rotates more stably and smoothly. In order to facilitate the disassembly and assembly of the carrying ring 9 and the supporting frame 6, the supporting plate 62 and the rib plates 61 are in sliding connection, the two ends of the rib plates 61 are provided with protruding blocks, a bidirectional threaded rod 7 is rotatably arranged between the two protruding blocks, the bidirectional threaded rod 7 penetrates through the two supporting plates 62 and is in threaded connection with the two supporting plates 62, and the two ends of the bidirectional threaded rod 7 are provided with hand wheels 8. The hand wheel 8 is rotated, the hand wheel 8 drives the bidirectional threaded rod 7 to rotate, and the two support plates 62 in threaded connection with the bidirectional threaded rod 7 can do relative movement on the rib plates 61. When the two support plates 62 move relatively far away, the limiting wheels 63 arranged on the two support plates 62 also move relatively far away, and then the carrying ring 9 can be taken down from between the limiting wheels 63 of the two support plates 62. Similarly, when the carrying ring 9 is installed, the carrying ring 9 is only required to be placed between the limiting wheels 63 of the two support plates 62 and the hand wheel 8 is rotated, so that the two support plates 62 do relative approaching movement.

As shown in fig. 1 and 3, the liquid spraying device comprises a storage box 24 arranged on the outer wall of the cabinet body 1, a spray pipe 16 arranged on the inner ring wall of the carrying ring 9, and a liquid pump in the spray pipe 16 and the storage box 24 are communicated through a connecting pipe 25. When the liquid pump works, the disinfectant in the storage tank 24 is conveyed into the spray pipe 16 through the connecting pipe 25, and then sprayed onto the instrument through the spray pipe 16 to complete the disinfection of the instrument. And the connection tube 25 for connecting the spout 16 and the pump is a hose.

Meanwhile, the reciprocators 14 are symmetrically arranged on the cabinet body 1 at the longitudinal center of the cabinet body, and each reciprocator 14 is correspondingly connected with the fixed block 11. The reciprocating device 14 includes a screw 142 rotatably disposed on the cabinet body 1, a second motor 141 disposed on an outer wall of the cabinet body 1, the second motor 141 is connected with the screw 142, and the screw 142 penetrates through the corresponding fixing block 11 and is in threaded connection with the fixing block. The second motor 141 is connected with an external power supply, and when the second motor 141 works, the corresponding connected screw rod 142 is driven to rotate, and when the screw rod 142 rotates, the fixed block 11 is driven to move in the cabinet body 1, and the fixed block 11 also drives the carrying ring 9 and the liquid spraying device on the carrying ring 9 to move through the supporting frame 6, so that the liquid spraying device can further carry out comprehensive disinfection on all the instruments on the first placing frame 4, and the practicability of the disinfection device is improved.

In order to facilitate the collection and discharge of the disinfectant sprayed by the spraying device, a discharge part is arranged in the cabinet body 1, the discharge part comprises a collecting tank 22 arranged in the cabinet body 1, the collecting tank 22 is positioned below the spraying device, and a discharge pipe 23 is communicated with the bottom surface of the collecting tank 22. The collecting tank 22 is designed to be conical with a large upper part and a small lower part, so that the collecting and discharging of the disinfectant can be facilitated.

Preferably, a connecting frame 18 is further provided on the fixed block 11, and an inner gear ring 19 is provided on the connecting frame 18. A hanging plate 15 is arranged on the inner ring wall of the carrying ring 9 corresponding to the spray pipe 16, the spray pipe 16 and the hanging plate 15 are arranged in a rotating way, and the spray pipe 16 is connected with the carrying ring 9 through a spring 17. Meanwhile, a second gear 20 is rotatably arranged on the spray pipe 16, the second gear 20 is eccentrically arranged on the spray pipe 16, and the second gear 20 is meshed with the annular gear 19. In order to facilitate the disassembly and assembly of the spring 17, the spray pipe 16 and the carrying ring 9 are obliquely provided with limiting columns 21, the two limiting columns 21 are coaxially arranged, and the spring 17 is sleeved on the two limiting columns 21. When the carrying ring 9 drives the spray pipe 16 to rotate through the hanging plate 15, the second gear 20 rotates under the action of the internal gear ring 19, and the spray pipe 16 is matched with the spring 17, and the second gear 20 can do reciprocating swinging motion when rotating, so that the spraying range of the spray pipe 16 can be enlarged, and instruments can fully contact with the disinfectant for disinfection.

As another preferable mode, a second placing frame 5 is arranged in the cabinet body 1, and a lifting device for driving the second placing frame 5 to move is arranged in the cabinet body 1, and the second placing frame 5 is matched with the first placing frame 4. The lifting device drives the second placing frame 5 to lift the instrument placed on the first placing frame 4 after being lifted, so that the instrument is separated from contact with the first placing frame 4, and then the liquid spraying device can spray disinfectant to the contact position of the instrument and the first placing frame 4 when moving to the initial position, thereby preventing incomplete instrument disinfection.

Specifically, the first placement frame 4 includes first support rods 41 symmetrically disposed along a longitudinal center line of the cabinet body 1, and a plurality of first connecting rods 42 are distributed between the two first support rods 41 at intervals. The second placement frame 5 comprises second support rods 51 symmetrically arranged along the longitudinal central line of the cabinet body 1, a plurality of longitudinal rods 52 are distributed on the bottom surface of each second support rod 51 at intervals, and the longitudinal rods 52 of the two second support rods 51 are connected through a second connecting rod 53. And each longitudinal rod 52 is located inside the first connecting rod 42, and the second connecting rods 53 are staggered with the first connecting rod 42. Wherein, the elevating gear for driving the second to place the frame 5 and remove is including locating the electric putter 56 of the inside top surface of cabinet body 1, and the flexible end of electric putter 56 is equipped with even board 55 to be equipped with the hoist and mount pole 54 at the bottom surface both ends of even board 55, hoist and mount pole 54 is connected with the second connecting rod 53. When the reciprocating device 14 drives the fixed block 11 to move once in the cabinet body 1, the electric push rod 56 can be started, the electric push rod 56 drives the first placing frame 4 on the lifting rod 54 to move upwards through the connecting plate 55, the second placing frame 5 lifts the instrument on the first placing frame 4, the instrument is separated from contact with the first placing frame 4, the second motor 141 in the reciprocating device 14 drives the screw 142 to rotate reversely, the fixed block 11 moves towards the initial direction, and in the moving process, the liquid spraying device can disinfect the contact position of the instrument and the first placing frame 4, so that the effect of the sterilizing device on comprehensive sterilization of the instrument can be achieved, and meanwhile, the practicability of the sterilizing device is improved. After the liquid spraying device disinfects the apparatus, the electric push rod 56 descends the second placing frame 5 to the initial position through the connecting plate 55 and the lifting rod 54, and then the apparatus is taken down from the first placing frame 4.

The use method comprises the steps of placing the apparatus on the first placing frame 4, starting the first motor 12, the second motor 141 and the liquid pump, enabling the first motor 12 to drive the carrying ring 9 to rotate through the transmission part, enabling the spraying pipe 16 arranged on the carrying ring 9 through the hanging plate 15 to start swinging of the reciprocating device 14 under the action of the second gear 20 and the inner gear ring 19, enabling the liquid pump to convey the disinfection liquid into the spraying pipe 16 through the connecting pipe 25, and spraying the disinfection liquid to the apparatus on the first placing frame 4 through the spraying pipe 16, so that disinfection of the apparatus is completed.

It will be understood that the application has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the application. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the application without departing from the essential scope thereof. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.

Claims

1. A medical instrument disinfection apparatus, characterized in that:

Comprises a sterilizing cabinet, a first placing frame (4) arranged in the sterilizing cabinet and used for placing instruments, a sterilizing device arranged in the sterilizing cabinet and a discharging part used for discharging sterilizing liquid;

The disinfection cabinet comprises a cabinet body (1), a mounting opening (2) arranged on the cabinet body (1), a door plate (3) arranged on the mounting opening (2) in a rotating mode, and a first placing frame (4) positioned in the cabinet body (1);

The disinfection device comprises a fixed block (11) which is arranged in the cabinet body (1) in a sliding manner, the fixed block (11) is arranged in a central symmetry manner by the cabinet body (1), a supporting frame (6) and a first motor (12) are arranged on the fixed block (11), a carrying ring (9) is rotatably arranged between the two supporting frames (6), a liquid spraying device is symmetrically arranged at the center of the inner ring of the carrying ring (9), and the first motor (12) is connected with the carrying ring (9) through a transmission part;

The liquid spraying device comprises a storage box (24) arranged on the outer wall of the cabinet body (1), a spray pipe (16) arranged on the inner ring wall of the carrying ring (9), and a liquid pump in the spray pipe (16) and the storage box (24) are communicated through a connecting pipe (25);

the reciprocating devices (14) are symmetrically arranged on the cabinet body (1) at the longitudinal center of the cabinet body, and each reciprocating device (14) is correspondingly connected with the fixed block (11);

The discharge part comprises a collecting tank (22) arranged in the cabinet body (1), the collecting tank (22) is positioned below the sterilizing device, and a discharge pipe (23) is communicated with the bottom surface of the collecting tank (22).

2. A medical device sterilizing apparatus according to claim 1, wherein:

A connecting frame (18) is arranged on the fixed block (11), and an annular gear (19) is arranged on the connecting frame (18);

A lifting plate (15) is arranged on the inner ring wall of the carrying ring (9) corresponding to the position of the spray pipe (16), the spray pipe (16) and the lifting plate (15) are arranged in a rotating way, and the spray pipe (16) is connected with the carrying ring (9) through a spring (17);

the second gear (20) is rotatably arranged on the spray pipe (16), the second gear (20) is eccentrically arranged on the spray pipe (16), and the second gear (20) is meshed with the annular gear (19).

3. A medical device sterilizing apparatus according to claim 2, wherein:

the transmission part comprises a first gear (13) arranged on the first motor (12), an outer gear ring (10) sleeved on the carrying ring (9), and the first gear (13) is meshed with the outer gear ring (10).

4. A medical device sterilizing apparatus according to claim 3, wherein:

The reciprocating device (14) comprises a screw rod (142) which is rotationally arranged on the cabinet body (1), a second motor (141) which is arranged on the outer wall of the cabinet body (1), the second motor (141) is connected with the screw rod (142), and the screw rod (142) penetrates through the corresponding fixed block (11) and is in threaded connection with the corresponding fixed block.

5. A medical device sterilizing apparatus according to any one of claims 1 to 4, wherein;

the support frame (6) comprises a rib plate (61) arranged on the fixed block (11), two support plates (62) detachably arranged on the rib plate (61), two groups of limit wheels (63) are rotatably arranged on the inner wall of each support plate (62), and the carrying ring (9) is positioned between the two groups of limit wheels (63) of each support plate (62) for supporting.

6. A medical device sterilizing apparatus according to claim 5, wherein;

the support plate (62) and the rib plate (61) are arranged in a sliding manner, protruding blocks are arranged at two ends of the rib plate (61), a bidirectional threaded rod (7) is rotatably arranged between the two protruding blocks, the bidirectional threaded rod (7) penetrates through the two support plates (62) and is in threaded connection with the two support plates (62), and hand wheels (8) are arranged at two ends of the bidirectional threaded rod (7).

7. A medical device sterilizing apparatus according to claim 2, wherein;

Limiting columns (21) are obliquely arranged on the spray pipe (16) and the carrying ring (9), the two limiting columns (21) are coaxially arranged, and the springs (17) are sleeved on the two limiting columns (21).

8. A medical device sterilizing apparatus according to claim 7, wherein;

a second placing frame (5) is arranged in the cabinet body (1), a lifting device for driving the second placing frame (5) to move is arranged in the cabinet body (1), and the second placing frame (5) is matched with the first placing frame (4);

The first placing frame (4) comprises first supporting rods (41) symmetrically arranged on the longitudinal central line of the cabinet body (1), and a plurality of first connecting rods (42) are distributed between the two first supporting rods (41) at intervals;

The second placing frame (5) comprises second supporting rods (51) symmetrically arranged on the longitudinal central line of the cabinet body (1), a plurality of longitudinal rods (52) are distributed on the bottom surface of each second supporting rod (51) at intervals, and the longitudinal rods (52) of the two second supporting rods (51) are connected through a second connecting rod (53);

Each longitudinal rod (52) is positioned at the inner side of the first connecting rod (42), and the second connecting rods (53) and the first connecting rods (42) are arranged in a staggered manner;

The lifting device comprises an electric push rod (56) arranged on the inner top surface of the cabinet body (1), a connecting plate (55) is arranged at the telescopic end of the electric push rod (56), lifting rods (54) are arranged at two ends of the bottom surface of the connecting plate (55), and the lifting rods (54) are connected with a second connecting rod (53).