CN213466121U - Portable sterilizing device - Google Patents

Abstract

The utility model relates to a portable degassing unit, this portable degassing unit includes the casing, disinfection subassembly and protective assembly, the casing is provided with the disinfection passageway, the disinfection subassembly sets up in the intracavity that holds of casing to it is corresponding with the disinfection passageway, so that the disinfection medium of disinfection subassembly propagates outside the casing through the disinfection passageway, protective assembly includes guard plate and support, the support is fixed in the casing, the guard plate is movably to be set up in the support, and have the first position of closing the disinfection passageway and open the second position of disinfection passageway. Whether the portable disinfection device is in disinfection work or not is indicated through opening and closing of the protection assembly, so that the working state of the portable disinfection device is clearly indicated, and people can be effectively noticed. When the protection component is closed, the disinfection component is isolated from the outside, so that the time for the disinfection component to contact with the outside can be shortened, and the disinfection component is prevented from being polluted by dust and other particulate matters in the air to influence the disinfection effect.

Description

Portable sterilizing device

Technical Field

The present disclosure relates to the field of disinfection and sterilization technology, and in particular, to a portable disinfection device.

Background

Most of the existing portable disinfection devices on the market adopt ultraviolet rays for disinfection and sterilization. Ultraviolet sterilization is to use physical method to generate ultraviolet radiation with different wave bands to damage and destroy the molecular structure of DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) in organism cells of microorganisms (pathogens such as bacteria, viruses, spores and the like), so as to cause death of growing cells and/or death of regenerative cells, change biological activity, and prevent microorganisms from replicating and propagating to achieve the purpose of disinfection and sterilization. However, ultraviolet rays are harmful to the skin, and since ultraviolet rays are invisible light, people cannot easily find that the disinfection device is in a working state, so that people cannot pay attention to the disinfection device effectively, and serious damage to the human body is possibly caused.

SUMMERY OF THE UTILITY MODEL

It is an object of the present disclosure to provide a portable disinfection apparatus that can indicate that it is in operation, drawing attention to people, and thus avoiding the human body from being injured by ultraviolet rays of the disinfection apparatus as much as possible.

In order to achieve the above object, the present disclosure provides a portable sterilization device including a housing, a sterilization assembly and a shield assembly, the housing being provided with a sterilization passage, the sterilization assembly being disposed in a receiving cavity of the housing and corresponding to the sterilization passage, the shield assembly including a shield plate and a bracket, the bracket being fixed to the housing, the shield plate being movably disposed on the bracket and having a first position closing the sterilization passage and a second position opening the sterilization passage.

Optionally, the protection component further comprises a screw rod, the screw rod is rotatably arranged on the support around the axis of the screw rod, the protection plate is provided with a threaded hole, the threaded hole is in threaded fit with the screw rod, so that the protection plate and the screw rod are constructed into a screw rod nut structure, and when the screw rod rotates, the protection plate moves along the length direction of the screw rod to open or close the disinfection channel.

Optionally, the protection component further comprises a guide rod fixed on the support, the guide rod is spaced from the screw rod and arranged in parallel, the protection plate is further provided with a guide hole, and the guide rod penetrates through the guide hole.

Optionally, the bracket is of a U-shaped structure with an opening at one side, and includes a first section, a second section and a third section, the first section and the second section are arranged oppositely, the third section is connected between the first section and the second section, two ends of the guide rod are respectively connected with the first section and the second section, and two ends of the screw rod are respectively connected with the first section and the second section.

Optionally, the screw rod includes a screw thread section and two optical axis sections, the screw thread section is in threaded fit with the protection plate and is clamped between the two optical axis sections, two mounting holes which are arranged oppositely are formed in the support, and the two optical axis sections penetrate through the mounting holes in a one-to-one correspondence manner.

Optionally, the portable disinfection device further comprises a driving device, the driving device comprises a motor and a transmission assembly, and the motor is in transmission connection with the screw rod through the transmission assembly so as to drive the screw rod to rotate.

Optionally, the portable disinfection device further comprises a battery, a battery slot is arranged in the housing, the battery is fixed in the battery slot, and the battery is electrically connected with the motor to supply power to the motor.

Optionally, the portable disinfection device further comprises a starting switch, a controller and a sensor, the starting switch is exposed out of the housing, the controller and the sensor are arranged in the cavity of the housing, the sensor is used for acquiring position information of the protection plate at a first position or a second position, and the controller is respectively in signal connection with the starting switch, the sensor and the motor so as to control the starting, stopping and rotating directions of the motor according to the switching signal of the starting switch and the position information.

Optionally, the disinfection subassembly includes the circuit board and sets up the ultraviolet lamp pearl on the circuit board, the circuit board is fixed in the casing, ultraviolet lamp pearl with the disinfection passageway is corresponding, in order to pass through the disinfection passageway will ultraviolet ray extremely outside the casing, the disinfection passageway is including wearing to establish the hole, set up on the lateral wall of casing with the appearance chamber of casing and external intercommunication wear to establish the hole, the guard plate set up in the lateral wall with between the circuit board, the controller with ultraviolet lamp pearl electricity is connected, in order when the guard plate is in the second position, open ultraviolet lamp pearl.

Optionally, the sensor includes a first sensor and a second sensor which are arranged on the circuit board at intervals, the first sensor corresponds to the first position of the protection plate to acquire the position information of the protection plate at the first position, and the second sensor corresponds to the second position of the protection plate to acquire the position information of the protection plate at the second position.

Through foretell technical scheme in this disclosed embodiment, when needs treat that disinfection article disinfect, protection component moves to the second position in order to open disinfection passageway, and disinfection component release disinfection medium this moment for the disinfection medium propagates outside the casing through disinfection passageway, thereby disinfects to the area disinfection article. When the sterilization process is completed, the shield assembly is moved to the first position to close the sterilization passage so that the sterilization medium is not exposed outside the housing. When the protection component is opened, the portable disinfection device is characterized to be in disinfection work, and people can see the disinfection component through the disinfection channel communicated with the outside to remind people to keep away from the portable disinfection device; when the guard assembly is closed, it is indicative that the portable disinfecting device is in a closed state. Therefore, whether the portable disinfection device is in disinfection work or not is indicated through the opening and closing of the protection assembly, so that the working state of the portable disinfection device is clearly indicated, and people can be effectively noticed. In addition, only when portable degassing unit during operation, the disinfection passageway just can be opened to the protective component for disinfection subassembly and external contact, other time, protective component close with disinfection subassembly and external isolation, can reduce the time of disinfection subassembly and external contact like this, avoid particulate matter such as dust in the air to pollute the disinfection subassembly, influence disinfection effect. And the portable disinfection device is convenient for users to carry, for example, the portable disinfection device can disinfect articles in homes, offices, schools and hotels, and the risk of virus infection is reduced.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic perspective view of a portable disinfection device according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of a portable disinfection device according to an embodiment of the present disclosure;

FIG. 3 is an exploded schematic view of a portion of the structure of the drive and shield assemblies of one embodiment of the portable disinfection device of the present disclosure;

FIG. 4 is a schematic perspective view of a protection plate of a portable disinfection device according to an embodiment of the present disclosure;

FIG. 5 is a schematic perspective view of a bracket of a portable disinfection device according to an embodiment of the present disclosure;

FIG. 6 is a front view of the drive device and the shield assembly of one embodiment of the present disclosure with the shield plate in a first position;

FIG. 7 is a front view of the drive device and the shield assembly of one embodiment of the present disclosure with the shield plate in a second position;

fig. 8 is a control schematic diagram of a portable disinfection device according to an embodiment of the present disclosure.

Description of the reference numerals

100-a portable disinfection device; 10-a housing; 11-upper cover; 111-perforating holes; 12-lower cover; 13-a battery well; 20-a disinfecting assembly; 21-ultraviolet lamp beads; 22-a circuit board; 30-a guard assembly; 31-protective plate; 311-a threaded hole; 312-a pilot hole; 32-a scaffold; 321-a first section; 322-a second segment; 323-third section; 324-mounting holes; 33-a screw rod; 331-a thread segment; 332-optical axis segment; 34-a guide bar; 35-a first bearing; 36-a second bearing; 40-a disinfection channel; 50-a drive device; 51-a motor; 52-a transmission assembly; 521-a coupler; 60-a battery; 70-start switch; 81-a first sensor; 82-a second sensor; 83-controller.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the use of directional terms such as "inner and outer" refers to the inner and outer of the profile of the relevant component, unless stated to the contrary. In addition, the terms "first", "second", and the like used in the embodiments of the present disclosure are for distinguishing one element from another, and have no order or importance.

In order to be able to clearly indicate that the portable disinfection device 100 is in disinfection operation, in an embodiment of the present disclosure, as shown in fig. 1-7, a portable disinfection device 100 is provided. The portable disinfection device 100 comprises a housing 10, a disinfection assembly 20 and a guard assembly 30. The housing 10 is provided with a sterilizing passage 40, and the sterilizing assembly 20 is disposed in the receiving cavity of the housing 10 and corresponds to the sterilizing passage 40 such that the sterilizing medium of the sterilizing assembly 20 is spread out of the housing 10 through the sterilizing passage 40. The shield assembly 30 includes a shield plate 31 and a bracket 32, the bracket 32 is fixed to the housing 10, and the shield plate 31 is movably disposed at the bracket 32 and has a first position closing the sterilizing passage 40 and a second position opening the sterilizing passage 40. Wherein, as shown in fig. 7, the shielding plate 31 is in the first position closing the sterilizing passage 40; as shown in fig. 8, the shielding plate 31 is in the second position to open the sterilizing passage 40. In the non-working state, the shielding plate 31 is in the first position, and in the working state of sterilization, the shielding plate 31 is in the second position.

In the ultraviolet disinfection lamp in the prior art, when disinfection work is carried out, radiation of objects to be disinfected is disinfected through ultraviolet rays. However, since ultraviolet rays are invisible light, the operating state of the disinfection device is not obvious when the disinfection device is in operation, and people cannot be effectively noticed, so that human bodies can be accidentally injured in the disinfection process, and the skin of people can be injured.

Through the above technical solution in the embodiment of the present disclosure, when it is required to sterilize an article to be sterilized, the protection component 30 moves to the second position to open the sterilizing passage 40, and at this time, the sterilizing component 20 releases the sterilizing medium, so that the sterilizing medium is spread out of the housing 10 through the sterilizing passage 40, thereby sterilizing the article to be sterilized. When the sterilization process is completed, the shield assembly 30 is moved to the first position to close the sterilization passage 40 so that the sterilization medium is not exposed to the outside of the housing 10. When the shield assembly 30 is opened, indicating that the portable disinfection device 100 is in disinfection operation, a person can see the disinfection assembly 20 through the disinfection passage 40 communicating with the outside, alerting the person that he should be away from the portable disinfection device 100; when the guard assembly 30 is closed, it is indicated that the portable disinfecting device 100 is in a closed state. Therefore, whether the portable sterilizing device 100 is in the sterilizing operation or not is indicated by the opening and closing of the shielding assembly 30, thereby clearly indicating the operating state of the portable sterilizing device 100 and effectively attracting attention of people. In addition, only when portable degassing unit 100 is worked, protection component 30 just can open disinfection passageway 40 for disinfection component 20 contacts with the external world, and other times, protection component 30 close and keep apart disinfection component 20 with the external world, can reduce the time that disinfection component 20 contacted with the external world like this, avoids particulate matter such as dust in the air to pollute disinfection component 20, influences the disinfection effect. Moreover, the portable disinfection device 100 is convenient for users to carry around, such as disinfecting articles in homes, offices, schools and hotels, and reduces the risk of virus infection.

The specific structure of the housing 10 is not limited in this disclosure as long as it can accommodate the sterilizing assembly 20 and the shield assembly 30. In one embodiment of the present disclosure, as shown in fig. 2, for convenience of mounting and dismounting, the housing 10 includes an upper cover 11 and a lower cover 12 which are covered with each other.

In the present disclosure, there is no limitation on how the shielding plate 31 is moved with respect to the bracket 32, and it may be set as needed as long as the shielding plate 31 can be moved between the first position and the second position.

In one embodiment of the present disclosure, as shown in fig. 2 and 3, the guard assembly 30 further includes a lead screw 33. The screw 33 is rotatably arranged on the bracket 32 around the axis thereof, the protective plate 31 is opened with a threaded hole 311, the screw 33 is arranged through the threaded hole 311, and the threaded hole 311 and the screw 33 are in threaded fit, so that the protective plate 31 and the screw 33 are constructed into a screw 33 nut structure. When the screw 33 rotates, the shielding plate 31 moves in a length direction of the screw 33 to open or close the sterilizing passage 40. When the screw 33 rotates around the first direction, the protection plate 31 can move from the first position to the second position, and when the screw 33 rotates around the second direction, the protection plate 31 can return to the first position from the second position, and the second direction is opposite to the first direction.

In order to make the movement of the shielding plate 31 more smooth, in one embodiment of the present disclosure, the shielding assembly 30 further includes a guide bar 34 fixed to the bracket 32. The guide rod 34 and the screw 33 are arranged in parallel at intervals, the protection plate 31 is further provided with a guide hole 312, and the guide rod 34 penetrates through the guide hole 312. The guide bar 34 is fixed at both ends to the bracket 32.

Through setting up guide bar 34, can guide when can sliding around for lead screw 33 to guard plate 31, avoid guard plate 31 crooked, moreover, can restrict guard plate 31 and rotate to guard plate 31 is prevented to follow lead screw 33 and rotates. Alternatively, in order to make the sliding of the shielding plate 31 with respect to the guide bar 34 smoother, the guide bar 34 is an optical axis, and the surface roughness is less than 6.3.

The structure of the bracket 32 is not limited in the present disclosure as long as the lead screw 33 can be supported such that the lead screw 33 can slide back and forth. In one embodiment, as shown in fig. 3 and 5, the bracket 32 has a U-shaped structure with one side open, and includes a first section 321 and a second section 322 which are oppositely arranged, and a third section 323 connected between the first section 321 and the second section 322. Both ends of the guide bar 34 are connected to the first section 321 and the second section 322, respectively, and both ends of the screw 33 are connected to the first section 321 and the second section 322, respectively. As shown in fig. 2, optionally, a through hole is formed in the third section 323, and the bracket 32 can be fixed to the upper cover 11 by a screw. In other embodiments, the bracket 32 may be part of the upper cover 11 of the housing 10, and may be integrally formed with the upper cover 11.

The bracket 32 arranged in the U-shaped structure supports the screw rod 33 and the guide rod 34 through the first section 321 and the second section 322 which are oppositely arranged, so that the screw rod 33 and the guide rod 34 are arranged in the U-shaped structure, the weight of the bracket 32 can be reduced, and the structure of the protective assembly 30 can be more compact.

To facilitate mounting the screw 33, as shown in fig. 3, in an embodiment, the screw 33 includes a threaded section 331 and two optical axis sections 332, the threaded section 331 is sandwiched between the two optical axis sections 332, two mounting holes 324 are formed in the bracket 32, and the two optical axis sections 332 are correspondingly formed through the mounting holes 324 one by one, so that the screw 33 can rotate relative to the bracket 32.

Optionally, as shown in fig. 3, the protection assembly 30 further includes a first bearing 35 and a second bearing 36, wherein the first bearing 35 is disposed in one of the mounting holes 324, the second bearing 36 is disposed in the other mounting hole 324, an outer ring of the bearing is matched with the mounting hole 324, the optical axis segment 332 of the lead screw 33 is disposed through an inner ring of the bearing, and the inner ring of the bearing is matched with the optical axis segment 332 of the lead screw 33. The lead screw 33 is supported by providing bearings at both ends of the lead screw 33, so that the lead screw 33 is more smoothly rotated. Alternatively, in one embodiment, the first bearing 35 may be a ball bearing and the second bearing 36 may be an oil bearing.

To actuate the lead screw 33 to rotate, in one embodiment, as shown in fig. 2 and 3, the portable disinfection device 100 further comprises a driving device 50, the driving device 50 comprises a motor 51 and a transmission assembly 52, and the motor 51 is in transmission connection with the lead screw 33 through the transmission assembly 52 to drive the lead screw 33 to rotate. Alternatively, the transmission assembly 52 may be a gear set, and the output of the motor 51 is reduced by the transmission assembly 52 and then output to the screw 33. In one embodiment, the transmission assembly 52 is in transmission connection with the end of the lead screw 33 via a coupling 521. The drive device 50 is integrally fixed to the second section 322 of the bracket 32 by screws. The spindle 33 and the drive 50 are located on opposite sides of the second section 322.

It is understood that in other embodiments, the screw 33 may be manually rotated to move the shielding plate 31, a crank drivingly connected to the screw 33 is provided on the housing 10, and the shielding plate 31 is moved by manually rotating the crank to open or close the sterilizing passage 40.

To increase the portability of the portable disinfection device 100, as shown in fig. 2, in one embodiment of the present disclosure, the portable disinfection device 100 further comprises a battery 60, a battery well 13 is disposed in the housing 10, and optionally, the battery well 13 is disposed on the lower housing 10. The battery 60 is fixed in the battery well 13, and the battery 60 is electrically connected to the motor 51 to supply power to the motor 51. The battery 60 may also be electrically connected to the sterilization assembly 20 to provide power to the sterilization assembly 20. Optionally, a charging port may be provided on the housing 10 to charge the battery 60.

In one embodiment of the present disclosure, the portable disinfecting device 100 further includes an activation switch 70, a controller 83, and a sensor, the activation switch 70 being exposed to the housing 10. The controller 83 and the sensor are disposed in the cavity of the housing 10, and alternatively, the controller 83 and the sensor may be disposed on the circuit board 22 mentioned below. The sensor is used for acquiring the position information of the protection plate 31 at the first position or at the second position. As shown in fig. 8, the controller 83 is respectively connected with the start switch 70, the sensor and the motor 51 for controlling the start, stop and rotation direction of the motor 51 according to the switch signal and the position information of the start switch 70.

When the start switch 70 is pressed, the controller 83 acquires the position information of the shielding plate 31 at this time through the sensor, and opens the sterilizing passage 40 by controlling the rotation of the motor 51 so that the shielding plate 31 is at the second position. After the disinfection work is completed, or the start switch 70 is pressed again, and the disinfection stop signal is sent, the controller 83 controls the motor 51 to rotate reversely, so that the protection plate 31 can be reset to the first position, and after the protection plate 31 reaches the first position, the motor 51 is turned off.

There is no limitation on what disinfection medium is used by the disinfection assembly 20 for disinfection in this disclosure, and in one embodiment, the disinfection assembly 20 includes a circuit board 22 and ultraviolet lamp beads 21 disposed on the circuit board 22, and disinfects the object to be disinfected by ultraviolet rays. The circuit board 22 is fixed on the shell 10, and the ultraviolet lamp beads 21 correspond to the disinfection channel 40 so as to transmit ultraviolet rays out of the shell 10 through the disinfection channel 40. The disinfection channel 40 comprises a through hole 111, and the through hole 111 belongs to one section of the disinfection channel 40. The ultraviolet rays are finally transmitted to the outside of the housing 10 through the through hole 111. A through hole 111 for communicating the cavity of the housing 10 with the outside is formed in the sidewall of the housing 10. The protection plate 31 is arranged between the side wall and the circuit board 22, and the controller 83 is electrically connected with the ultraviolet lamp beads 21 so as to turn on the ultraviolet lamp beads 21 when the protection plate 31 is at the second position. Optionally, the ultraviolet lamp bead can be an LED lamp bead capable of emitting ultraviolet rays. The LED lamp beads have low energy consumption and small occupied size.

Alternatively, as shown in fig. 2, the circuit board 22 may be covered on the front cover by screws. The shield assembly 30 is disposed between the front cover and the circuit board 22. The battery 60 is disposed on the lower cover 12 on a side of the circuit board 22 facing away from the guard assembly 30.

In other embodiments, the sterilization assembly 20 may include an ozone generator that generates ozone to sterilize the items to be sterilized.

In the present disclosure, there is no limitation on what kind of sensor is used, and alternatively, the sensor includes a first sensor 81 and a second sensor 82 which are disposed at an interval on the circuit board 22, the first sensor 81 corresponds to a first position of the shielding plate 31 to acquire position information of the shielding plate 31 at the first position, and the second sensor 82 corresponds to a second position of the shielding plate 31 to acquire position information of the shielding plate 31 at the second position. Alternatively, the sensor may be an opto-electronic proximity sensor.

In other embodiments, only one sensor may be provided to acquire the position of the shielding plate 31, such as a laser sensor.

The working process of the disinfection device is as follows: referring to fig. 6 to 8, the start switch 70 is pressed, the first sensor 81 detects the current position of the protection plate 31, when the protection plate 31 is located at the first position, the first sensor 81 outputs a signal that the protection plate 31 is located at the first position to the controller 83, the controller 83 receives the start signal of the start switch 70 and a position signal of the first position, the motor 51 is controlled to start to work and drive the lead screw 33 to rotate, the lead screw 33 drives the protection plate 31 to move to the second position, when the second sensor 82 senses that the protection plate 31 moves to the second position, the second sensor 82 outputs a position signal of the second position to the controller 83, the controller 83 controls the motor 51 to stop rotating, then the controller 83 controls the ultraviolet lamp bead 21 to start to work, the light is emitted along the disinfection channel 40, after the work is finished, the motor 51 rotates reversely and drives the lead screw 33 to rotate, the lead screw 33 drives the protection plate 31 to move towards the first position, when the protection plate 31 is moved to the first position, the first sensor 81 senses the protection plate 31, the first sensor 81 outputs a signal to the controller 83, the motor 51 stops rotating, and the work is finished.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A portable disinfection device, characterized in that, includes casing (10), disinfection subassembly (20) and protection subassembly (30), casing (10) is provided with disinfection passageway (40), disinfection subassembly (20) set up in the holding intracavity of casing (10), and with disinfection passageway (40) correspond, protection subassembly (30) include guard plate (31) and support (32), support (32) are fixed in casing (10), guard plate (31) movably set up in support (32), and have the first position of closing disinfection passageway (40) and open the second position of disinfection passageway (40).

2. The portable disinfecting device of claim 1, wherein the protective assembly (30) further comprises a screw rod (33), the screw rod (33) is rotatably arranged on the bracket (32) around its own axis, the protective plate (31) is provided with a threaded hole (311), the threaded hole (311) is in threaded fit with the screw rod (33), so that the protective plate (31) and the screw rod (33) are constructed into a screw rod (33) nut structure, and when the screw rod (33) rotates, the protective plate (31) moves along the length direction of the screw rod (33) to open or close the disinfecting passage (40).

3. The portable disinfecting device of claim 2, characterized in that the protective component (30) further comprises a guide rod (34) fixed on the support (32), the guide rod (34) and the screw rod (33) are arranged in parallel and spaced, the protective plate (31) is further provided with a guide hole (312), and the guide rod (34) is arranged in the guide hole (312) in a penetrating manner.

4. A portable disinfection apparatus as claimed in claim 3, wherein said support frame (32) is of a U-shaped structure with one side open, and comprises a first section (321) and a second section (322) which are oppositely arranged and a third section (323) connected between said first section (321) and said second section (322), both ends of said guide bar (34) are respectively connected with said first section (321) and said second section (322), both ends of said screw (33) are respectively connected with said first section (321) and said second section (322).

5. The portable disinfection device of claim 2, wherein the screw rod (33) comprises a threaded section (331) and two optical axis sections (332), the threaded section (331) is in threaded fit with the protection plate and is clamped between the two optical axis sections (332), the bracket (32) is provided with two oppositely-arranged mounting holes (324), and the two optical axis sections (332) are correspondingly arranged in the mounting holes (324) in a penetrating manner.

6. A portable disinfection apparatus as claimed in any one of claims 2-5, wherein said portable disinfection apparatus (100) further comprises a drive apparatus (50), said drive apparatus (50) comprising a motor (51) and a transmission assembly (52), said motor (51) being drivingly connected to said screw (33) via said transmission assembly (52) for driving said screw (33) in rotation.

7. A portable disinfection device as claimed in claim 6, wherein said portable disinfection device (100) further comprises a battery (60), a battery well (13) being provided in said housing (10), said battery (60) being secured in said battery well (13), said battery (60) being electrically connected to said motor (51) for supplying power to said motor (51).

8. The portable disinfection device of claim 6, wherein the portable disinfection device (100) further comprises a start switch (70), a controller (83) and a sensor, the start switch (70) is exposed from the housing (10), the controller (83) and the sensor are disposed in a cavity of the housing (10), the sensor is used for acquiring position information of the protection plate (31) in a first position or a second position, and the controller (83) is respectively in signal connection with the start switch (70), the sensor and the motor (51) to control the start, stop and rotation direction of the motor (51) according to a switch signal of the start switch (70) and the position information.

9. The portable disinfection device of claim 8, wherein the disinfection assembly (20) comprises a circuit board (22) and ultraviolet lamp beads (21) disposed on the circuit board (22), the circuit board (22) is fixed to the housing (10), the ultraviolet lamp beads (21) correspond to the disinfection channel (40) to transmit ultraviolet light to the outside of the housing (10) through the disinfection channel (40), the disinfection channel (40) comprises through holes (111), the side wall of the housing (10) is provided with the through holes (111) for communicating the cavity of the housing (10) with the outside, the protection plate (31) is disposed between the side wall and the circuit board (22), the controller (83) is electrically connected with the ultraviolet lamp beads (21) to, when the protection plate (31) is in the second position, and turning on the ultraviolet lamp beads (21).

10. The portable disinfecting device of claim 9, characterized in that said sensor comprises a first sensor (81) and a second sensor (82) which are arranged at intervals on said circuit board (22), said first sensor (81) corresponding to said first position of said shielding plate (31) to acquire position information of said shielding plate (31) at said first position, said second sensor (82) corresponding to said second position of said shielding plate (31) to acquire position information of said shielding plate (31) at said second position.

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