CN112121201B

CN112121201B - Disinfection cabinet

Info

Publication number: CN112121201B
Application number: CN202011064365.2A
Authority: CN
Inventors: 黄鹏
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-10-12
Anticipated expiration: 2040-09-30
Also published as: CN112121201A

Abstract

The invention discloses a disinfection cabinet, which comprises a cabinet body (1) with a disinfection cavity (121), a disinfection lamp tube (2), a baffle (6), a first driving mechanism (5) and a second driving mechanism (7), wherein an exhaust channel communicated with the disinfection cavity (121) and the outside atmosphere is arranged in the cabinet body (1), the disinfection lamp tube (2) and the baffle (6) can move relative to the cabinet body (1) under the action of the first driving mechanism (5) and the second driving mechanism (7) and have at least three states: in the first state, the disinfection lamp tube (2) is close to the inner wall of the cabinet body (1), and the baffle (6) blocks the steam exhaust channel; in the second state, the disinfection lamp tube (2) is far away from the inner wall of the cabinet body (1), and the baffle (6) blocks the steam exhaust channel; in the third state, the disinfection lamp tube (2) is far away from the inner wall of the cabinet body (1), and the steam exhaust channel is not blocked by the baffle plate (6). Compared with the prior art, the disinfection cabinet can realize multiple working modes.

Description

Disinfection cabinet

Technical Field

The invention relates to the technical field of kitchen equipment, in particular to a disinfection cabinet.

Background

The sterilizer that appears in the existing market is high temperature or ozone disinfection mostly, the occasional ultraviolet ray sterilizer all combines with high temperature or ozone, and few solitary ultraviolet ray sterilizer appears, the reason is the general fixed mounting of bactericidal lamp on a certain wall, it is fixed with the distance of tableware, radiation range to the tableware is certain, can lead to ultraviolet radiation not to some regions, or some regions are because far away from the fluorescent tube, make ultraviolet intensity weaker, and establish the fluorescent tube cover at its face guard and avoid being bumped the damage by the tableware, the fluorescent tube cover can block partial ultraviolet radiation, ultraviolet light disinfection is limited at the internal sterilization range of cabinet, lead to easily making the disinfection incomplete, there is certain defect.

In order to solve the above problems, the invention patent of patent application No. CN201710922611.5 (publication No. CN109589425A) discloses a disinfection apparatus and a disinfection cabinet using the same, the disinfection apparatus comprises an ultraviolet lamp, a panel, a lead screw, a gear, a driving member and a rack, the ultraviolet lamp is movably disposed on the panel through the lead screw, the gear, the driving member and the rack, when the disinfection cabinet with the disinfection apparatus is used, the driving member drives the lead screw to rotate so as to drive the gear to move along the length direction of the lead screw, thereby realizing the reciprocating translation of the ultraviolet lamp on the gear in a certain range on the panel, meanwhile, the rack engaged with the gear makes the gear rotate in the translation process, i.e. the ultraviolet lamp simultaneously performs the compound motion of translation and rotation, thereby making the ultraviolet light uniformly distributed in the disinfection cabinet, the disinfection effect is improved.

However, in the above scheme, although the dead angle of disinfection is reduced to some extent, the disinfection effect is poor in some areas because the dead angle is far away from the lamp tube, and in addition, for the disinfection cabinet, the auxiliary valve is generally needed to be configured to control the opening and closing of the steam exhaust channel, so that the structure is complex.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a disinfection cabinet which can improve the disinfection effect and simultaneously conveniently control the opening and closing of an exhaust channel, aiming at the current situation of the prior art, and the disinfection cabinet can realize multiple working modes.

The second technical problem to be solved by the invention is to provide a disinfection cabinet which can prevent users from damaging disinfection lamp tubes when taking and placing tableware on the premise of not influencing the disinfection effect.

The third technical problem to be solved by the invention is to provide a disinfection cabinet which can facilitate the discharge of water vapor.

The technical scheme adopted by the invention for solving the first technical problem is as follows: a disinfection cabinet, which comprises

The cabinet body is internally provided with a disinfection cavity; and

the disinfection lamp tube is arranged in the cabinet body;

the method is characterized in that: the cabinet body is internally provided with a steam exhaust channel, the inlet of the steam exhaust channel is communicated with the disinfection cavity, and the outlet of the steam exhaust channel is communicated with the outside atmosphere;

and, still including baffle, first actuating mechanism and second actuating mechanism, the power take off end of first actuating mechanism and second actuating mechanism respectively with disinfection fluorescent tube and baffle transmission connect for drive disinfection fluorescent tube and baffle remove and have three kinds of states at least:

in a first state, the disinfection lamp tube is close to the inner wall of the cabinet body, and the baffle blocks the steam exhaust channel;

in the second state, the disinfection lamp tube is far away from the inner wall of the cabinet body, and the baffle blocks the steam exhaust channel;

in the third state, the sterilizing lamp tube is far away from the inner wall of the cabinet body, and the steam exhaust channel is not blocked by the baffle plate.

In order to enable water vapor to be discharged upwards smoothly, more efficiently and avoid condensation in the process as far as possible, the cabinet body comprises a shell and an inner container arranged in the shell, the inner container is provided with the disinfection cavity, and an interlayer is formed between the outer wall of the inner container and the inner wall of the shell;

the inner container is characterized in that an air outlet is formed in the top wall of the inner container, a steam exhaust port is formed in the top wall of the outer shell and is located right above the air outlet, and therefore a steam exhaust channel located between the air outlet and the steam exhaust port is formed in the interlayer.

In order to protect the disinfection lamp tube, a tube cover is covered on the outer side of the disinfection lamp tube, an accommodating cavity for accommodating the disinfection lamp tube is formed in the tube cover, and an opening for transmitting disinfection light is formed in the bottom of the tube cover.

In order to effectively reflect the disinfection light and improve the disinfection efficiency, the inner wall of the pipe cover is made of a material capable of reflecting the disinfection light.

In order to focus the disinfection light and improve the disinfection intensity, the pipe cover is in a horn shape with the caliber gradually increasing from inside to outside along the axial direction.

In order to further solve the second technical problem, a mounting box is covered above the air outlet, an air outlet is formed in the top of the mounting box, an opening is formed in the bottom of the mounting box, and the baffle plate is mounted right above the pipe cover through the second driving mechanism;

the power output end of the first driving mechanism is connected with the pipe cover and is used for driving the disinfection lamp tube and the baffle plate to enter and exit the mounting box along with the pipe cover through the air outlet and the opening of the mounting box;

the power output end of the second driving mechanism is connected with the baffle plate and used for driving the baffle plate to lift relative to the pipe cover;

in a first state, the pipe cover is arranged on the air outlet and extends into the mounting box, and the baffle covers the air outlet;

in a second state, the pipe cover is exposed out of the mounting box and positioned in the disinfection cavity, and the baffle covers the air outlet;

in the third state, the pipe cover is exposed out of the mounting box and positioned in the disinfection cavity, and the baffle does not cover the air outlet and the air outlet.

In order to ensure the stability of the pipe cover in the first state and avoid the pipe cover from shaking, the lateral edge of the pipe cover on one side of the opening is bent outwards and extends to form a folded edge, the folded edge is tightly attached to the inner wall of the inner container close to the air outlet in the first state, and meanwhile, the sealed matching of the folded edge and the inner wall of the inner container further avoids the communication of the disinfection cavity and the external atmosphere through an exhaust channel.

In order to further solve the third technical problem, the baffle has an outer side wall which is gradually inclined downwards from inside to outside, in a third state, a flow guide channel is formed between the outer side wall and the inner wall of the inner container, which is close to the air outlet, the caliber of the flow guide channel is gradually reduced along the flowing direction of the air flow, the negative pressure range is larger when the caliber of an inlet of the flow guide channel is large, and the water vapor in the disinfection cavity is conveniently and quickly sucked and enters the mounting box in an accelerating manner.

In order to avoid the influence of water vapor entering the second driving machine in the steam exhaust process, the side edge of the baffle is bent downwards and extends to form a surrounding plate, the bottom end of the surrounding plate is tightly attached to the outer wall of the tube cover in the third state, and a closed space for accommodating the second driving mechanism is formed among the inner wall of the baffle, the inner wall of the surrounding plate and the outer wall of the tube cover in a surrounding mode.

In order to realize the driving of the disinfection lamp tube, the first driving mechanism comprises

The two bases are arranged on the cabinet body;

the two ends of the roller can be rotatably connected to the two bases;

the first end of the flexible belt is wound on the roller, and the second end of the flexible belt is in transmission connection with the disinfection lamp tube; and

and the power output end of the first driving piece is connected with the roller and used for driving the roller to rotate so as to roll the flexible belt on the roller or unwind the flexible belt from the roller.

In order to improve the disinfection effect of the disinfection lamp tube on tableware by means of hot air flow, the disinfection cavity is internally provided with a heating element, and in the second state and the third state, the disinfection lamp tube can vertically droop at the bottom end of the flexible belt in the state of no air flow disturbance and can swing along with the flexible belt relative to the cabinet body under the action of the hot air flow generated by heating the heating element.

Compared with the prior art, the invention has the advantages that: through arranging the steam exhaust channel communicated with the disinfection cavity and the outside atmosphere in the cabinet body, the disinfection lamp tube and the baffle plate can move relative to the cabinet body under the action of the first driving mechanism and the second driving mechanism, on one hand, the distance between the disinfection lamp tube and the inner wall of the cabinet body can be disinfected, and the disinfection light intensity is enhanced along with the shortening of the radiation distance, so that the disinfection effect on tableware can be enhanced, and the disinfection lamp tube can move back and forth to form dynamic disinfection light, which is favorable for further expanding the irradiation range and improving the disinfection effect; on the other hand, need not to set up opening and close of extra valve synchro control steam exhaust passageway, make things convenient for the steam extraction in disinfection chamber, this sterilizer can realize multiple mode, satisfies the demand of different application scenes.

Drawings

FIG. 1 is a schematic perspective view of a disinfection cabinet according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of the sterilizer of FIG. 1 with the top wall of the enclosure omitted;

FIG. 3 is a longitudinal cross-sectional view of an embodiment of the sterilizer of the present invention in a first state;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is an enlarged view of a portion of the sterilizer shown in FIG. 4 after conversion to a second state;

FIG. 6 is another longitudinal sectional view of the sterilizer of FIG. 3 after conversion to the second state;

FIG. 7 is an enlarged view of a portion of the sterilizer shown in FIG. 4 after it has been transitioned to a third state.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 7, a preferred embodiment of the disinfection cabinet of the present invention is shown. The disinfection cabinet comprises a cabinet body 1, a disinfection lamp tube 2, a tube cover 3, a heating element 4, a first driving mechanism 5, a baffle 6 and a second driving mechanism 7.

Wherein, the cabinet body 1 includes a housing 11 and an inner container 12 arranged inside the housing 11, a disinfection chamber 121 is arranged inside the inner container 12, a drawer cabinet for placing tableware is arranged above and below the disinfection chamber 121, an interlayer 111 is formed between the outer wall of the inner container 12 and the inner wall of the housing 11, an air outlet 122 is arranged on the top wall of the inner container 12, an exhaust port 112 is arranged on the top wall of the housing 11, the exhaust port 112 is positioned right above the air outlet 122, according to the chimney effect in the heat exchange principle, the air generates the difference of air density due to the temperature difference, thereby forming a pressure difference, the hot gas rises, thereby forming an exhaust passage between the air outlet 122 and the exhaust port 112 in the interlayer 111, the inlet of the exhaust passage is communicated with the disinfection chamber 121 through the air outlet 122, the outlet of the exhaust passage is communicated with the outside atmosphere through the exhaust port 112, because the air outlet 122 and the exhaust port 112 are arranged right above the disinfection chamber 121, the exhaust steam during heating and drying is discharged smoothly, the efficiency is higher, and the condensation in the process can be avoided as much as possible; the mounting box 13 is covered above the air outlet 122, an air outlet 131 is formed in the top of the mounting box 13, and an opening is formed in the bottom of the mounting box 13.

The type of the disinfection lamp tube 2 can be set according to specific requirements, such as an ultraviolet germicidal lamp, a pulse lamp tube and the like.

The tube cover 3 covers the outer side of the disinfection lamp tube 2. Specifically, the inside of tube housing 3 is formed with the holding chamber 31 that supplies the holding of disinfection fluorescent tube 2, and the bottom of tube housing 3 has the opening that supplies disinfection light to see through, and the lateral margin that tube housing 3 is located its opening one side outwards buckles to extend and is formed with hem 32, and the lamp stand is passed through to the both ends of disinfection fluorescent tube 2 and installs on the inside roof of tube housing 3. In this embodiment, the inner wall of pipe casing 3 and the inner wall of inner bag 12 all adopt the material that can reflect disinfection light to make, and pipe casing 3 is the bore from inside to outside tubaeform that gradually enlarges along the axial to effectively reflect disinfection light, and focus on disinfection light, improve disinfection intensity.

The heating member 4 is provided on the bottom wall inside the inner container 12. In this embodiment, the heating member 4 is a quartz heating tube extending in the depth direction of the sterilizing chamber 121.

Baffle 6 is installed directly over tube housing 3 with hanging, and the shape of its top surface and the inner wall looks adaptation at mounting box 13 top, baffle 6 have from inside to outside outer lateral wall that slopes down gradually, and the lateral margin downwardly bending of baffle 6 extends and is formed with surrounding plate 61. In this embodiment, the baffle 6 is a convex arc plate.

The first driving mechanisms 5 are installed in the interlayer 111, the number of the first driving mechanisms is two, the two groups of the first driving mechanisms are respectively and symmetrically arranged on the front side and the rear side of the installation box 13, and each first driving mechanism 5 comprises a base 50, a roller 51, a flexible belt 52 and a first driving piece 53. Specifically, the number of the bases 50 is two, one left and one right are mounted on the top wall of the inner container 12; two ends of the roller 51 are respectively connected to the two bases 50 in a rotatable manner; the number of the flexible belts 52 is two, the flexible belts are arranged side by side and at intervals along the length direction of the drum 51, the first end of each flexible belt 52 is wound on the drum 51, and the second end of each flexible belt passes through the top wall of the inner container 12 to be connected with the folded edge 32 at one side of the tube cover 3; the first driving member 53 is a motor, and is installed on the top wall of the inner container 12, and a power output end of the first driving member is connected to the roller 51 to drive the roller 51 to rotate, so that the flexible belt 52 is wound on the roller 51 or unwound from the roller 51. Starting the first driving member 53, the roller 51 rotates, and the flexible belt 52 is wound on the roller 51 or unwound from the roller 51, so as to drive the disinfection lamp tube 2 and the baffle 6 to lift relative to the cabinet body 1 along with the tube cover 3, and in the lifting process, the baffle 6, the tube cover 3 and the disinfection lamp tube 2 can enter and exit the mounting box 13 through the air outlet 122 and the opening of the mounting box 13.

The second drive mechanism 7 includes a second drive member 71. Specifically, the second driving members 71 are two electric push rods, are mounted on the top wall of the tube housing 3 and are spaced along the length direction of the tube housing 3, and the power output ends of the two electric push rods are connected with the bottom wall of the baffle 6 to drive the baffle 6 to move relative to the tube housing 3. And when the second driving piece 71 is started, the telescopic rod of the electric push rod can drive the baffle 6 to lift relative to the pipe cover 3.

Under the action of the first driving mechanism 5 and the second driving mechanism 7, the disinfection lamp tube 2 and the baffle 6 can be lifted, so that the disinfection cabinet has at least three states:

in the first state, the pipe cover 3 is covered on the air outlet 122 and extends into the mounting box 13, the folded edge 32 of the pipe cover 3 is tightly sealed and attached to the inner wall of the liner 12 close to the air outlet 122, the baffle 6 covers the air outlet 131 to block the air exhaust channel, and the disinfection cabinet is in a non-working mode;

in the second state, the tube cover 3 is exposed out of the mounting box 13 and is positioned in the sterilizing cavity 121, the tube cover 3 and the sterilizing lamp tube 2 can vertically hang down at the bottom end of the flexible belt 52 in a state without air flow disturbance, and can swing along with the flexible belt 52 relative to the cabinet body 1 under the action of hot air flow generated by heating of the heating element 4; the baffle 6 covers the air outlet 122 to block the steam exhaust channel, and the disinfection cabinet is in a disinfection mode;

in the third state, the tube cover 3 is exposed out of the mounting box 13 and is positioned in the sterilizing cavity 121, the tube cover 3 and the sterilizing lamp tube 2 can vertically hang down at the bottom end of the flexible belt 52 in a state without air flow disturbance, and can swing along with the flexible belt 52 relative to the cabinet body 1 under the action of hot air flow generated by heating of the heating element 4; baffle 6 does not cover air exit 131 and air outlet 122, so that the steam exhaust passageway switches on, the sterilizer is in the disinfection, stoving and steam exhaust mode, surround the bottom of board 61 and hug closely in the outer wall of pipe casing 3, the inner wall of baffle 6, surround between the inner wall of board 61 and the outer wall of pipe casing 3 and be formed with the enclosure space who supplies the holding of second actuating mechanism 7, avoid steam to get into and cause the influence to second driving piece 71, in addition, be formed with diversion channel 60 between the inner wall that outer wall and inner bag 12 of baffle 6 are close to air outlet 122, the bore of this diversion channel 60 reduces along the flow direction of air current gradually.

The working principle of the invention is as follows:

(1) when the tableware needs to be taken and placed, as shown in fig. 3 and 4, in the first state, the tube cover 3 is covered on the air outlet 122 and extends into the mounting box 13, the folded edge 32 of the tube cover 3 is tightly sealed on the inner wall of the liner 12 close to the air outlet 122, and the baffle 6 covers the air outlet 131 so as to block the exhaust passage and prevent a user from damaging the sterilizing lamp tube 2 when the tableware is taken and placed;

(2) when tableware needs to be disinfected independently, the disinfecting lamp tube 2, the first driving piece 53 and the second driving piece 71 are started, the first driving piece 53 drives the roller 51 to rotate, the flexible belt 52 is unreeled from the roller 51 to drive the tube cover 3, the disinfecting lamp tube 2 and the baffle 6 to synchronously descend to a proper height relative to the cabinet body 1, then the second driving piece 71 drives the baffle 6 to ascend to a proper height, as shown in fig. 5 and 6, in a second state, the tube cover 3 is exposed out of the mounting box 13 and is located in the disinfecting cavity 121, as the disinfecting lamp tube 2 moves towards the tableware, the distance between the disinfecting lamp tube 2 and the tableware is shortened, and the disinfecting light intensity is enhanced along with the shortening of the radiation distance, so that the disinfecting effect on the tableware can be enhanced, and meanwhile, the disinfecting light can be reflected and focused on the tableware by the inner wall of the tube cover 3, so that the disinfecting effect is enhanced; the baffle 6 covers the air outlet 122 to block the steam exhaust channel, so as to prevent the outside air from entering the disinfection cavity 121 to pollute the disinfection cavity 121 when the disinfection lamp tube 2 works independently;

because the tube cover 3 is flexibly connected with the bottom end of the flexible belt 52, on one hand, the tube cover 3 and the disinfection lamp tube 2 can vertically droop at the bottom end of the flexible belt 52 in a state without air flow disturbance and can swing relative to the cabinet body 1 along with the flexible belt 52 under the action of hot air flow generated by heating of the heating element 4 to form dynamic radiation/reflection disinfection light, which is beneficial to further expanding the irradiation range and improving the disinfection effect; on the other hand, when the tube cover 3 and the disinfection lamp tube 2 fall down and the users cannot return normally, the users take and place the tableware, if the tube cover 3 is touched, the tableware is in soft contact with the tube cover 3, the top of the tube cover 3 is shaken and swung, the disinfection lamp tube 2 can be protected from being touched by the tableware due to rigid connection with the inner container 12 and damaged, and in addition, the users can be prompted to take control actions to move the disinfection lamp tube upwards and return the disinfection lamp tube;

(3) when the tableware needs to be disinfected and dried and the disinfection cavity is exhausted, the heating element 4 and the second driving element 71 are started, the second driving element 71 drives the baffle 6 to descend and reset, as shown in fig. 7, and in a third state, the disinfection lamp tube 2 can be used for efficiently disinfecting the tableware; the baffle 6 does not cover the air outlet 131 and the air outlet 122 so as to conduct the steam exhaust channel, according to the chimney effect in the heat exchange principle, air generates the difference of air density due to the temperature difference, thereby forming pressure difference, hot gas rises, water vapor in the disinfection cavity 121 enters the mounting box 13 through the flow guide channel 60 and the air outlet 122 in sequence, and finally is exhausted to the external atmosphere through the air outlet 131 and the steam outlet 112 in sequence;

because the flow guide channel 60 is formed between the outer side wall of the baffle 6 and the inner wall of the liner 12 close to the air outlet 122, the aperture of the flow guide channel 60 is gradually reduced along the flowing direction of the air flow, and the negative pressure range is larger when the aperture of the inlet of the flow guide channel 60 is large, so that the water vapor in the disinfection cavity 121 can be rapidly sucked and quickly enter the mounting box 13;

in addition, because a closed space for accommodating the second driving mechanism 7 is formed by surrounding the inner wall of the baffle 6, the inner wall of the surrounding plate 61 and the outer wall of the tube cover 3, the influence of water vapor entering the second driving piece 71 in the steam exhaust process can be avoided;

in the disinfection process, the tube cover 3 and the disinfection lamp tube 2 can be driven to move up and down in a reciprocating manner by the first driving piece 53 to form dynamic radiation/reflection disinfection light, so that the irradiation range can be further expanded, and the disinfection effect can be improved;

after the disinfection, the drying and the steam exhaust are finished, the tube cover 3, the disinfection lamp tube 2 and the baffle 6 are driven by the first driving piece 53 to reset to the first state.

Claims

1. A disinfection cabinet, which comprises

The cabinet body (1) is internally provided with a disinfection cavity (121); and

the disinfection lamp tube (2) is arranged in the cabinet body (1);

the method is characterized in that: the cabinet body (1) is internally provided with a steam exhaust channel, the inlet of the steam exhaust channel is communicated with the disinfection cavity (121), and the outlet of the steam exhaust channel is communicated with the outside atmosphere;

and, still including baffle (6), first actuating mechanism (5) and second actuating mechanism (7), the power take off end of first actuating mechanism (5) and second actuating mechanism (7) respectively with disinfection fluorescent tube (2) and baffle (6) transmission connection for drive disinfection fluorescent tube (2) and baffle (6) remove and have three kinds of states at least:

in a first state, the sterilizing lamp tube (2) is close to the inner wall of the cabinet body (1), and the baffle (6) blocks the steam exhaust channel;

in a second state, the disinfection lamp tube (2) is far away from the inner wall of the cabinet body (1), and the baffle (6) blocks the steam exhaust channel;

in a third state, the disinfection lamp tube (2) is far away from the inner wall of the cabinet body (1), and the steam exhaust channel is not blocked by the baffle (6);

the cabinet body (1) comprises a shell (11) and a liner (12) arranged inside the shell (11), the disinfection cavity (121) is arranged inside the liner (12), and an interlayer (111) is formed between the outer wall of the liner (12) and the inner wall of the shell (11);

an air outlet (122) is formed in the top wall of the inner container (12), a steam exhaust port (112) is formed in the top wall of the outer shell (11), and the steam exhaust port (112) is located right above the air outlet (122), so that a steam exhaust channel located between the air outlet (122) and the steam exhaust port (112) is formed in the interlayer (111);

the outer side of the disinfection lamp tube (2) is covered with a tube cover (3), an accommodating cavity (31) for accommodating the disinfection lamp tube (2) is formed inside the tube cover (3), and the bottom of the tube cover (3) is provided with an opening for transmitting disinfection light;

a mounting box (13) is covered above the air outlet (122), an air outlet (131) is formed in the top of the mounting box (13), an opening is formed in the bottom of the mounting box (13), and the baffle (6) is mounted right above the pipe cover (3) through the second driving mechanism (7);

the power output end of the first driving mechanism (5) is connected with the tube cover (3) and is used for driving the disinfection lamp tube (2) and the baffle (6) to enter and exit the mounting box (13) along with the tube cover (3) through the air outlet (122) and the opening of the mounting box (13);

the power output end of the second driving mechanism (7) is connected with the baffle (6) and used for driving the baffle (6) to lift relative to the pipe cover (3);

in a first state, the pipe cover (3) is covered on the air outlet (122) and extends into the mounting box (13), and the baffle (6) covers the air outlet (131);

in the second state, the tube cover (3) is exposed out of the mounting box (13) and is positioned in the disinfection cavity (121), and the baffle plate (6) covers the air outlet (122);

in the third state, the pipe cover (3) is exposed out of the mounting box (13) and is positioned in the disinfection cavity (121), and the baffle (6) does not cover the air outlet (131) and the air outlet (122).

2. A disinfection cabinet as claimed in claim 1, wherein: the inner wall of the pipe cover (3) is made of a material capable of reflecting disinfection light.

3. A disinfection cabinet as claimed in claim 2, wherein: the pipe cover (3) is in a horn shape with the caliber gradually increasing from inside to outside along the axial direction.

4. A disinfection cabinet as claimed in claim 1, wherein: the side edge of the tube cover (3) on one side of the opening is bent outwards to form a folded edge (32), and in a first state, the folded edge (32) is tightly attached to the inner wall of the inner container (12) close to the air outlet (122) in a sealing mode.

5. A disinfection cabinet as claimed in claim 1, wherein: the baffle (6) is provided with an outer side wall which is gradually inclined downwards from inside to outside, a flow guide channel (60) is formed between the outer side wall and the inner wall of the inner container (12) close to the air outlet (122) in a third state, and the caliber of the flow guide channel (60) is gradually reduced along the flowing direction of the air flow.

6. A disinfection cabinet as claimed in claim 1, wherein: the lateral margin of baffle (6) is buckled downwards and is extended and be formed with bounding wall (61), and under the third state, the bottom of this bounding wall (61) hugs closely in the outer wall of tube housing (3), the enclosure space that supplies second actuating mechanism (7) holding is formed to the encirclement between the inner wall of baffle (6), the inner wall of bounding wall (61) and the outer wall of tube housing (3).

7. A disinfection cabinet as claimed in any one of claims 1 to 6, wherein: the first driving mechanism (5) comprises

Two bases (50) mounted on the cabinet body (1);

a roller (51) with two ends rotatably connected to the two bases (50);

the first end of the flexible belt (52) is wound on the roller (51), and the second end of the flexible belt is in transmission connection with the disinfection lamp tube (2); and

and the power output end of the first driving piece (53) is connected with the roller (51) and is used for driving the roller (51) to rotate so as to wind the flexible belt (52) on the roller (51) or unwind the flexible belt from the roller (51).

8. A disinfection cabinet as claimed in claim 7, wherein: the sterilizing cavity (121) is internally provided with a heating element (4), and in the second state and the third state, the sterilizing lamp tube (2) can vertically droop at the bottom end of the flexible belt (52) in the state of no air flow disturbance and can swing relative to the cabinet body (1) along with the flexible belt (52) under the action of hot air flow generated by heating the heating element (4).