A disinfection cabinet

Abstract

The present invention discloses a disinfection cabinet, comprising a cabinet body (1) and an inner drawer (3); characterized in that the cabinet further comprises a driving mechanism (5), an impeller (6) and a clutch (7); the driving mechanism (5) comprises a rack (51) arranged on the top wall of a disinfection chamber (11) along the front-back direction; a gear (52) capable of meshing with the rack (51); and a driving member (53) installed on the rear side of the inner drawer (3) for driving the gear (52) to rotate around its own axis; the impeller (6) is fixed relative to the gear (52); and the clutch (7) is drivingly connected to the rack (51) so that the rack (51) and the gear (52) are meshed or disengaged. Compared with the prior art, the disinfection cabinet of the present invention can realize automatic opening and closing of the inner drawer and accelerate steam exhaust by means of a set of driving mechanisms.

Description

Technical Field

[0001] The present invention relates to the technical field of kitchen equipment, in particular to a disinfection cabinet. Background Art

[0002] Most existing disinfection cabinets are provided with upper and lower drawers for placing tableware.

[0003] In order to increase the storage function, some disinfection cabinets are provided with an inner drawer at the top of the upper layer for placing small tableware such as chopsticks and spoons. For details, please refer to the Chinese invention patent "A Disinfection Cabinet" with patent application number CN201210272461.5 (publication number CN102813946B).

[0004] However, in the above scheme, first, an impeller generally needs to be installed in the existing disinfection cabinet to accelerate steam exhaust, and the internal drawer needs to be opened manually; second, opening the internal drawer involves two steps, which requires opening the upper drawer first and then pulling out the internal drawer, and the operation steps are relatively cumbersome; third, the existing disinfection cabinet is generally designed with rear steam exhaust, and the water vapor discharged backwards for a long time will cause the cabinet to be damp and moldy. Summary of the Invention

[0005] The first technical problem to be solved by the present invention is to provide a disinfection cabinet which can realize automatic opening and closing of internal suction and accelerated exhaust of steam by means of a set of driving mechanisms in response to the current status of the existing technology.

[0006] The second technical problem to be solved by the present invention is to provide a disinfection cabinet that can conveniently open the inner drawer without affecting the original function of the disinfection cabinet.

[0007] The third technical problem to be solved by the present invention is to provide a disinfection cabinet that can realize front exhaust and conveniently realize opening and closing of the exhaust channel.

[0008] The technical solution adopted by the present invention to solve the above-mentioned first technical problem is: a disinfection cabinet, comprising

[0009] a cabinet having a disinfection chamber therein; and

[0010] An internal drawer is provided at the top of the disinfection chamber and can be pulled in and out of the disinfection chamber;

[0011] It is characterized by: it also includes a driving mechanism, an impeller and a clutch;

[0012] The driving mechanism includes

[0013] a rack arranged on the top wall of the disinfection chamber along a front-to-back direction;

[0014] a gear, capable of meshing with the rack; and

[0015] A driving member is mounted on the rear side of the inner drawer, and its power output shaft is coaxially connected to the gear to drive the gear to rotate around its own axis;

[0016] The impeller is fixed relative to the gear;

[0017] The clutch is connected to the rack in a driving manner so that the rack is engaged with or disengaged from the gear.

[0018] In order to further solve the second technical problem mentioned above, the invention further comprises at least one drawer that can be pulled forward and backward to enter and exit the disinfection chamber, the inner drawer has a magnetic attraction portion, and the uppermost drawer is equipped with a magnetic member corresponding to the magnetic attraction portion of the inner drawer;

[0019] The inner drawer has a first position, a second position and a third position arranged in sequence from back to front during the movement;

[0020] When the inner drawer is in the first position, the magnetic attraction portion of the inner drawer is away from the magnetic part. When the inner drawer is in the second position and the uppermost drawer is in the closed state, the magnetic attraction portion of the inner drawer and the magnetic part are attracted to each other, so that the inner drawer can drive the uppermost drawer to move synchronously during the movement between the second position and the third position, and the uppermost drawer can move alone when the inner drawer is in the first position.

[0021] In order to further solve the third technical problem mentioned above, the front side of the drawer has a door body, the door body of the top drawer has a steam exhaust channel connecting the disinfection chamber and the outside atmosphere, and the inner drawer has a blocking portion corresponding to the steam exhaust channel;

[0022] When the inner-drawn magnetic attraction portion is away from the magnetic member, the blocking portion is separated from the entrance of the exhaust passage, so that the exhaust passage is in a connected state;

[0023] When the inwardly drawn magnetic attraction portion and the magnetic member are attracted to each other, the blocking portion covers the entrance of the exhaust passage, so that the exhaust passage is in a disconnected state.

[0024] In order to ensure that the magnetic attraction part can drive the magnetic part to move forward synchronously after moving forward to the magnetic part, the magnetic attraction part and the blocking part are both located on the front side of the inner drawer, and the magnetic part is installed on the door body and overlaps with the positive projection of the magnetic attraction part on the vertical plane perpendicular to the front and rear directions.

[0025] In order to facilitate the formation of the blocking portion and the magnetic attraction portion, the front side wall of the inner drawer constitutes the blocking portion and is made of a material that can be magnetically attracted to form the magnetic attraction portion.

[0026] In order to facilitate the discharge of water vapor inside the disinfection chamber and the inner pump, air inlet and air outlet are respectively provided on the rear side wall and the front side wall of the inner pump. The air inlet is opposite to the impeller, and the air outlet is staggered with the entrance of the exhaust channel.

[0027] In order to facilitate the communication between the disinfection cavity and the internal air flow field of the inner pump, a flow hole is opened on the bottom wall of the inner pump.

[0028] In order to facilitate the installation of the magnetic member, the door body is provided with an interlayer inside, and the magnetic member is installed in the interlayer and is closely attached to the rear side wall of the door body.

[0029] In order to ensure the magnetic adsorption effect, the number of the magnetic members is at least two, and they are arranged on the door body at intervals along the left and right directions.

[0030] In order to facilitate the control of the engagement and disengagement of the rack and the gear, a slide groove is provided on the top wall of the disinfection chamber, and the rack is installed in the slide groove so as to slide back and forth. The clutch member is an electric push rod, and the power output end of the electric push rod is connected to the rack to drive the rack to move in the forward and backward direction;

[0031] When the inner drawer is in the first position and the rack moves forward to the limit position, the rack is disengaged from the gear.

[0032] In order to reasonably partition the disinfection chamber, there are two drawers, the drawer located on the top is recorded as the upper drawer, and the drawer located on the bottom is recorded as the lower drawer. When the upper drawer is closed, the inner drawer is placed at the top of the inner cavity of the upper drawer.

[0033] In order to ensure the stable movement of the inner drawer in the front-to-back direction, the left and right sides of the inner drawer are installed on the top of the disinfection chamber through guide rails, the fixed rails of each guide rail are installed on the inner wall of the cabinet in the front-to-back direction, and the movable rails of the guide rails are installed on the inner drawer in the front-to-back direction.

[0034] Compared with the prior art, the advantages of the present invention are:

[0035] (1) The drive mechanism is composed of a rack, a gear and a driving member, and the impeller is fixed on the gear. On the one hand, it can drive the inner pump to move in the front and back direction to realize the automatic opening and closing of the inner pump. On the other hand, it can drive the impeller to rotate to accelerate the exhaust of steam.

[0036] In addition, by controlling the meshing and disengagement of the rack and the gear through the clutch, the above two functions can be realized with the help of a set of driving mechanisms while avoiding the mutual influence of the two functions;

[0037] (2) By providing a magnetic attraction portion on the inner drawer and providing a magnetic piece corresponding to the magnetic attraction portion on the top drawer, the inner drawer has a first position, a second position and a third position arranged from back to front in the process of moving under the driving action of the driving mechanism. When the inner drawer is in the first position, the magnetic attraction portion of the inner drawer is away from the magnetic piece. When the inner drawer is in the second position and the top drawer is in a closed state, the magnetic attraction portion of the inner drawer and the magnetic piece are attracted to each other. In this way, on the one hand, the inner drawer can drive the top drawer to move synchronously during the process of moving between the second position and the third position. That is to say, the inner drawer can be automatically opened in only one step, and the operation is simple. On the other hand, the top drawer can move alone when the inner drawer is in the first position, without affecting the original function of the disinfection cabinet.

[0038] (3) By providing an exhaust passage on the door of the top drawer and providing a sealing portion corresponding to the exhaust passage on the inner drawer, when the magnetic portion of the inner drawer and the magnetic part are attracted to each other, the sealing portion covers the entrance of the exhaust passage, so that the exhaust passage is in a disconnected state. In this way, on the one hand, the front exhaust function can be realized to avoid moisture and mold in the cabinet due to exhaust; on the other hand, the exhaust passage can be opened and closed by the movement of the inner drawer, which can not only avoid the escape of the disinfection factor during the disinfection process, but also avoid the water vapor rushing forward to the user when the inner drawer and the upper drawer are opened synchronously. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 Schematic diagram of the three-dimensional structure of the embodiment of the disinfection cabinet of the present invention in the drawer closed state (the inner drawer is in the first position and the rack and gear are meshed);

[0040] Figure 2 for Figure 1 A longitudinal cross-sectional view of

[0041] Figure 3 for Figure 2 Schematic diagram of the three-dimensional structure of the central pumping, drive mechanism and impeller;

[0042] Figure 4 for Figure 2 A longitudinal cross-sectional view of the central internal pump when it moves to the second position (the section line passes through the exhaust passage);

[0043] Figure 5 for Figure 2 A longitudinal cross-sectional view of the middle inner drawer when it moves to the second position (the section line passes through the magnetic member);

[0044] Figure 6 for Figure 4 Schematic diagram of the three-dimensional structure when the middle inner drawer moves to the third position;

[0045] Figure 7 for Figure 4A longitudinal cross-sectional view of the middle inner drawer when it moves to the third position;

[0046] Figure 8 for Figure 1 A longitudinal cross-sectional view of the rack and pinion after they have been switched to the disengaged state. DETAILED DESCRIPTION

[0047] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0048] In the present specification and claims, directional terms such as "front," "back," "up," "down," "left," "right," "side," "top," and "bottom" are used to describe various exemplary structural parts and components of the present invention. However, these terms are used herein for convenience of description only and are based on the exemplary orientations shown in the accompanying drawings. Because the embodiments disclosed herein can be arranged in various orientations, these directional terms are intended for illustrative purposes only and should not be construed as limiting. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

[0049] like Figures 1 to 8 FIG. 1 is a preferred embodiment of the disinfection cabinet of the present invention. The disinfection cabinet comprises a cabinet body 1, a drawer 2, an inner drawer 3, a magnetic member 4, a driving mechanism 5, an impeller 6 and a clutch 7.

[0050] The cabinet 1 has a disinfection chamber 11 with an opening on the front side. The top wall of the disinfection chamber 11 has a chute 12 extending in the front-to-back direction. The disinfection chamber 11 is generally provided with a heating tube and a disinfection lamp as a disinfection device. This is a conventional structure of a disinfection cabinet and will not be described in detail here.

[0051] There are two drawers 2, the upper drawer 2 is referred to as the upper drawer, and the lower drawer 2 is referred to as the lower drawer. Each drawer 2 can be pulled forward and backward through the opening on the front side of the cabinet 1 to enter and exit the disinfection chamber 11. Specifically, each drawer 2 includes a door body 21 and a storage rack 22 mounted on the back of the door body 21. The interior of the door body 21 has an interlayer 211, and the door body 21 of the upper drawer 2 has an exhaust passage 212 that connects the disinfection chamber 11 with the outside atmosphere.

[0052] The inner drawer 3 is arranged at the top of the disinfection chamber 11 and can be pulled in and out of the disinfection chamber 11 through the opening on the front side of the cabinet 1. When the upper drawer is closed, the inner drawer 3 is accommodated at the top of the inner cavity of the upper drawer. Specifically, the front side wall of the inner drawer 3 can serve as a blocking portion to cover the entrance of the above-mentioned exhaust passage 212, and the front side wall is made of a material that can be magnetically attracted to form a magnetic attraction portion corresponding to the magnetic member 4 described below; the left and right sides of the inner drawer 3 are installed at the top of the disinfection chamber 11 through guide rails 30, and the fixed rails of each guide rail 30 are installed on the inner wall of the cabinet 1 along the front-to-back direction, and the movable rails of the guide rails 30 are installed on the side walls of the inner drawer 3 along the front-to-back direction; a plurality of air inlet holes 31 are provided on the rear side wall of the inner drawer 3, and the air inlet holes 31 are directly opposite to the impeller 6 described below; a plurality of air outlet holes 32 are provided on the front side wall of the inner drawer 3, and the air outlet holes 32 are staggered with the entrance of the above-mentioned exhaust passage 212; a plurality of flow holes 33 are provided on the bottom wall of the inner drawer 3.

[0053] There are multiple magnetic members 4, which are spaced apart in the interlayer 211 of the upper drawer along the left and right directions. Figure 5 As shown, each magnetic member 4 is block-shaped, closely attached to the rear side wall of the door body 21, and overlaps with the positive projection of the above-mentioned magnetic attraction portion on the vertical plane perpendicular to the front-to-back direction, so that the two can be attracted to each other when they approach each other.

[0054] The drive mechanism 5 comprises a rack 51, a gear 52, and a drive member 53. Specifically, the rack 51 is mounted within the chute 12 so as to be movable back and forth; the gear 52 meshes with the rack 51; and the drive member 53 is a motor mounted on the rear side of the inner drawer 3. Its power output shaft is coaxially connected to the gear 52, driving the gear 52 to rotate about its own axis.

[0055] The impeller 6 is coaxially arranged on the side of the gear 52 .

[0056] The clutch member 7 is an electric push rod installed on the top of the cabinet 1. The power output end of the electric push rod is connected to the rear end of the rack 51 to drive the rack 51 to move in the front and rear directions so that the rack 51 is engaged with or disengaged from the gear 52.

[0057] When the rack 51 and the gear 52 are meshed:

[0058] like Figure 2 、 Figure 4 、 Figure 5 and Figure 7 As shown, the rack 51 moves rearward to the extreme position. At this time, the driving member 53 is started, which can drive the gear 52 and the impeller 6 to rotate synchronously. Since the rack 51 and the gear 52 are engaged, the inner drawer 3 moves in the front-to-back direction. The inner drawer 3 has a first position, a second position and a third position arranged from the back to the front during the movement process.

[0059] Figure 2 As shown, when the inner drawer 3 is in the first position, the magnetic attraction portion of the inner drawer 3 is away from the magnetic member 4, as shown in FIG. Figure 4 and Figure 5 As shown, when the inner drawer 3 is in the second position and the upper drawer is in the closed state, the magnetic attraction portion of the inner drawer 3 and the magnetic member 4 are attracted to each other, so that the inner drawer 3 can drive the upper drawer to move synchronously during the movement between the second position and the third position, and the upper drawer can move independently when the inner drawer 3 is in the first position;

[0060] When the rack 51 and the gear 52 are disengaged:

[0061] like Figure 8 As shown, the inner drawer 3 is in the first position and the rack 51 moves forward to the limit position. At this time, the driving member 53 is started to drive the gear 52 and the impeller 6 to rotate. Since the rack 51 and the gear 52 are disengaged, the inner drawer 3 will not move accordingly.

[0062] In addition, if Figure 2 and Figure 8 As shown, when the magnetic attraction portion of the inner pump 3 is away from the magnetic member 4, the blocking portion of the inner pump 3 is separated from the entrance of the exhaust passage 212, so that the exhaust passage 212 is in a connected state, which facilitates the discharge of water vapor forward; Figure 4 、 Figure 5 and Figure 7 As shown, when the magnetic attraction portion of the inner drawer 3 and the magnetic part 4 are attracted to each other, the sealing portion of the inner drawer 3 covers the entrance of the exhaust channel 212, so that the exhaust channel 212 is in a disconnected state. On the one hand, it can prevent the disinfection factor from escaping during the disinfection process, and on the other hand, it can prevent water vapor from rushing forward to the user during the synchronous opening of the inner drawer 3 and the upper drawer.

[0063] The working principle of this embodiment is as follows: In the initial state, Figure 2 As shown, the inner drawer 3 is in the first position and the rack 51 moves back to the limit position, the magnetic attraction portion of the inner drawer 3 is away from the magnetic member 4 and the rack 51 is engaged with the gear 52, and the blocking portion of the inner drawer 3 is separated from the entrance of the exhaust passage 212, so that the exhaust passage 212 is in a connected state;

[0064] (1) When disinfection is required:

[0065] Start the driving member 53 to rotate forward to drive the inner drawer 3 to move forward until the inner drawer 3 moves to the position as shown in the figure. Figure 4 and Figure 5 In the second position shown, the sealing portion of the inner pump 3 covers the entrance of the exhaust passage 212, so that the exhaust passage 212 is in a disconnected state. Then, the disinfection device in the disinfection chamber 11 is started to prevent the disinfection factor from escaping to the outside atmosphere through the exhaust passage 212.

[0066] After the disinfection is completed, the inner drawer 3 is driven by the driving member 53 to return to the initial position;

[0067] (2) When exhaust steam is required;

[0068] The clutch member 7 is started to drive the rack 51 to move forward to the position as shown in FIG. Figure 8 In the extreme position shown, the rack 51 is disengaged from the gear 52, and the starting drive member 53 can only drive the impeller 6 to rotate, but cannot drive the inner drawer 3 to move. The rotation of the impeller 6 generates a wind field to accelerate the water vapor in the disinfection chamber 11 to move forward through the air inlet 31 into the inner drawer 3, and then sequentially discharged forward through the air outlet 32 and the exhaust channel 212 to the outside atmosphere, thereby preventing the cabinet from becoming damp and moldy due to exhaust steam.

[0069] After the exhaust is completed, the rack 51 is driven to return to the initial position through the clutch 7;

[0070] (3) When it is necessary to open or close the inner pump 3:

[0071] When the inner drawer 3 needs to be opened, the driving member 53 is started to rotate forward to drive the inner drawer 3 forward until the inner drawer 3 moves to the position shown in FIG. Figure 4 and Figure 5 In the second position shown, the magnetic part of the inner drawer 3 is attracted to the magnetic part 4 of the upper drawer in the closed state. At this time, the inner drawer 3 that continues to move forward will drive the upper drawer to move forward synchronously until the two move to the same position. Figure 7 The third position shown;

[0072] When the inner drawer 3 needs to be closed, the driving member 53 is started to reverse and drive the inner drawer 3 to move backward. Since the magnetic portion of the inner drawer 3 and the magnetic member 4 at the upper drawer are attracted to each other, the inner drawer 3 moving backward will drive the upper drawer to move backward synchronously until the two move to the same position. Figure 4 and Figure 5 The second position shown in FIG. 1 is that the upper drawer is in a closed state and cannot be moved further backward, so the inner drawer 3 is moved back to reset as shown in FIG. Figure 2 During the first position shown, the magnetic attraction portion of the inner drawer 3 gradually moves away from the magnetic member 4, and the two are no longer attracted to each other;

[0073] In the above process, there is no need to open the upper drawer first and then pull out the inner drawer 3. In other words, the inner drawer 3 can be automatically opened in just one step, which is simple to operate.

[0074] It should be noted that when the inner drawer 3 moves between the second position and the third position, the blocking portion always covers the entrance of the exhaust passage 212, so that the exhaust passage 212 is in a disconnected state. This prevents steam from rushing forward to the user when the inner drawer 3 and the upper drawer are opened synchronously.

[0075] (4) When you need to open and close the upper drawer separately:

[0076] Since the magnetic attraction portion of the inner drawer 3 is away from the magnetic member 4 in the initial state, the two cannot be attracted to each other. At this time, opening the upper drawer can avoid the simultaneous opening of the inner drawer 3, thereby facilitating the removal of large tableware in the upper drawer.

Claims

1. A disinfection cabinet, comprising A cabinet (1) having a disinfection chamber (11) therein; and An inner drawer (3) is provided at the top of the disinfection chamber (11) and can be pulled forward and backward into and out of the disinfection chamber (11); Its characteristics are: It also includes a driving mechanism (5), an impeller (6) and a clutch (7); The driving mechanism (5) includes a rack (51) arranged on the top wall of the disinfection chamber (11) along the front-to-back direction; a gear (52) capable of meshing with the rack (51); as well as A driving member (53) is installed at the rear side of the inner drawer (3), and its power output shaft is coaxially connected to the gear (52) to drive the gear (52) to rotate around its own axis; The impeller (6) is fixed relative to the gear (52); The clutch member (7) is drivingly connected to the rack (51) so that the rack (51) and the gear (52) are engaged or disengaged; When the rack (51) and the gear (52) are in meshing engagement, the driving member (53) is started to drive the gear (52) and the impeller (6) to rotate synchronously, and the inner pump (3) moves in the front-rear direction accordingly; When the rack (51) is disengaged from the gear (52), the driving member (53) is started to drive the gear (52) and the impeller (6) to rotate, and the inner pump (3) will not move accordingly.

2. The disinfection cabinet according to claim 1, characterized in that: It also includes at least one drawer (2) that can be pulled forward and backward into and out of the disinfection chamber (11), the inner drawer (3) having a magnetic attraction portion, and a magnetic member (4) corresponding to the magnetic attraction portion of the inner drawer (3) is installed on the uppermost drawer (2); The inner drawer (3) has a first position, a second position and a third position arranged in sequence from back to front during the movement process; When the inner drawer (3) is in the first position, the magnetic attraction portion of the inner drawer (3) is away from the magnetic member (4); when the inner drawer (3) is in the second position and the uppermost drawer (2) is in the closed state, the magnetic attraction portion of the inner drawer (3) and the magnetic member (4) are attracted to each other, so that the inner drawer (3) can drive the uppermost drawer (2) to move synchronously during the process of moving between the second position and the third position, and the uppermost drawer (2) can move alone when the inner drawer (3) is in the first position.

3. The disinfection cabinet according to claim 2, characterized in that: The front side of the drawer (2) has a door body (21), the door body (21) of the uppermost drawer (2) has a steam exhaust passage (212) communicating with the disinfection chamber (11) and the outside atmosphere, and the inner drawer (3) has a blocking portion corresponding to the steam exhaust passage (212); When the magnetic attraction portion of the inner pump (3) is away from the magnetic member (4), the blocking portion is separated from the entrance of the exhaust passage (212), so that the exhaust passage (212) is in a connected state; When the magnetic attraction portion of the inner pump (3) and the magnetic member (4) are attracted to each other, the blocking portion covers the entrance of the exhaust passage (212), so that the exhaust passage (212) is in a disconnected state.

4. The disinfection cabinet according to claim 3, characterized in that: The magnetic attraction portion and the blocking portion are both located at the front side of the inner drawer (3), and the magnetic component (4) is installed on the door body (21) and overlaps with the positive projection of the magnetic attraction portion on a vertical plane perpendicular to the front-back direction.

5. The disinfection cabinet according to claim 4, characterized in that: The front side wall of the inner drawer (3) constitutes the blocking portion and is made of a material that can be magnetically attracted to form the magnetic attraction portion.

6. The disinfection cabinet according to claim 5, characterized in that: An air inlet (31) and an air outlet (32) are respectively provided on the rear side wall and the front side wall of the inner exhaust (3), wherein the air inlet (31) faces the impeller (6), and the air outlet (32) is staggered with the inlet of the exhaust passage (212).

7. The disinfection cabinet according to claim 6, characterized in that: A circulation hole (33) is provided on the bottom wall of the inner drawer (3).

8. The disinfection cabinet according to claim 4, characterized in that: The door body (21) has an interlayer (211) inside, and the magnetic component (4) is installed in the interlayer (211) and is closely attached to the rear side wall of the door body (21).

9. The disinfection cabinet according to claim 4, characterized in that: The number of the magnetic members (4) is at least two, and they are arranged on the door body (21) at intervals along the left-right direction.

10. The disinfection cabinet according to claim 2, characterized in that: The top wall of the disinfection chamber (11) is provided with a chute (12), and the rack (51) is mounted in the chute (12) so as to be slidable forward and backward. The clutch member (7) is an electric push rod, and the power output end of the electric push rod is connected to the rack (51) to drive the rack (51) to move in the forward and backward directions. When the inner drawer (3) is in the first position and the rack (51) moves forward to the limit position, the rack (51) is disengaged from the gear (52).

11. The disinfection cabinet according to claim 2, characterized in that: There are two drawers (2), the upper drawer (2) is recorded as the upper drawer, and the lower drawer (2) is recorded as the lower drawer. When the upper drawer is closed, the inner drawer (3) is accommodated at the top of the inner cavity of the upper drawer.

12. The disinfection cabinet according to any one of claims 1 to 11, characterized in that: The left and right sides of the inner drawer (3) are mounted on the top of the disinfection chamber (11) via guide rails (30), the fixed rails of each guide rail (30) are mounted on the inner wall of the cabinet (1) along the front-back direction, and the movable rails of the guide rails (30) are mounted on the inner drawer (3) along the front-back direction.

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