CN113274521B

CN113274521B - Ultraviolet disinfection device

Info

Publication number: CN113274521B
Application number: CN202110601789.6A
Authority: CN
Inventors: 王涛; 曲蕊; 宋琳; 秦冉冉
Original assignee: Institute Of Cardiovascular Diseases Qingdao University Affiliated Cardiovascular Hospital Of Qingdao University
Current assignee: Institute Of Cardiovascular Diseases Qingdao University Affiliated Cardiovascular Hospital Of Qingdao University
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2023-02-28
Anticipated expiration: 2041-05-31
Also published as: CN113274521A

Abstract

The invention provides an ultraviolet disinfection device, and belongs to the technical field of ultraviolet disinfection. The technical scheme is as follows: the utility model provides an ultraviolet disinfection device, its characterized in that, includes base and upper cover, constitute the enclosure space between base and the upper cover, one side of base is provided with the fixed subassembly that compresses tightly, the opposite side of base is provided with the activity and compresses tightly the subassembly, the below outside that just is located to compress tightly the subassembly on the base is provided with the ultraviolet disinfection lamp, the below of upper cover is provided with the rectangle clamp plate, the fixed subassembly that compresses tightly all compresses tightly the edge in the middle of the gauze mask both sides with the activity compress tightly the subassembly. The invention has the beneficial effects that: the mask with short service time can be sterilized, so that the mask can be worn safely.

Description

Ultraviolet disinfection device

Technical Field

The invention relates to the technical field of ultraviolet disinfection, in particular to an ultraviolet disinfection device.

Background

Due to the outbreak of new crown epidemic situation, the use frequency of people for disposable masks is gradually improved, and the disposable masks are consumables, so that corresponding resources are in short supply, and the manufacturing cost of the disposable masks is increased.

The disposable mask is a disposable consumable, but can be used for 4 to 8 hours under normal circumstances. In actual life, people go home from the outside, usually hang up the mask which does not reach the wearing time, so as to wear the mask directly next time, but the mask can also retain bacteria and is not safe to wear again; in addition, the mask is frequently taken off and worn, the taken-off mask is sometimes put into a pocket (the mask does not reach the specified use time) at will, so that the mask is wrinkled, a user sometimes directly wears the mask again, the mask with short wearing time is directly discarded, and the waste of resources is caused.

Disclosure of Invention

The invention aims to provide an ultraviolet disinfection device which can disinfect a mask with short service time so as to realize safe wearing of the mask.

The invention is realized by the following measures: the utility model provides an ultraviolet disinfection device, its characterized in that, includes base and upper cover, constitute the enclosure space between base and the upper cover, one side of base is provided with the fixed subassembly that compresses tightly, the opposite side of base is provided with the activity and compresses tightly the subassembly, the below outside that just is located to compress tightly the subassembly on the base is provided with the ultraviolet disinfection lamp, the below of upper cover is provided with the rectangle clamp plate, the fixed subassembly that compresses tightly all compresses tightly the edge in the middle of the gauze mask both sides with the activity compress tightly the subassembly.

The fixed pressing assembly and the movable pressing assembly respectively comprise a high ear plate and a low ear plate, pressing rods are rotatably arranged between the high ear plate and the bottom ear plate, pressing plates are arranged in the middle positions below the pressing rods through springs I, the pressing plates extend out of the pressing rods, the high ear plates and the pressing rods are connected through springs II, the springs II are not stressed, and an included angle is formed between the pressing rods and the base;

the base comprises a bottom plate, a high ear plate and a low ear plate of the fixed compression assembly are both fixedly arranged on the bottom plate, a sliding groove is formed in the bottom plate, a sliding plate is arranged in the sliding groove in a sliding manner, the high ear plate and the low ear plate of the movable compression assembly are both arranged on the sliding plate, and the upper end face of the sliding plate is flush with the upper end of the bottom plate;

the two compression rods can be fixed through a limiting structure and can be parallel to the bottom plate, and meanwhile, the compression plate of the fixed compression assembly can be propped against the bottom plate and the compression plate of the movable compression assembly can be propped against the sliding plate.

The limiting structure comprises a second lug plate, a limiting rod is sleeved on the second lug plate, a limiting block is fixedly arranged at the inner end of the limiting rod, the limiting block is sleeved on the third spring on the limiting rod and fixedly arranged on the inner side of the second lug plate, the second lug plate of the fixed pressing assembly is fixed on the bottom plate, the second lug plate of the movable pressing assembly is fixed on the sliding plate, the upper end face of the limiting block can be in contact with the pressing rod, the contact face of the pressing rod is an inclined face, the pressing rod is in contact with the limiting block, one end of the pressing rod in contact with the limiting block is provided with a limiting opening, the pressing rod is stressed to move downwards from the top and is in contact with the inclined face, the limiting block compresses the spring and is kept away from the pressing rod, the limiting block is inserted into the limiting opening, and the limiting block can be right to limit the pressing rod to enable the pressing rod to be parallel to the bottom plate.

The positioning structure comprises a rectangular opening formed in the sliding groove, a rectangular block matched with the rectangular opening is arranged below the sliding plate, a round rod is arranged at the center of the lower portion of the rectangular block, an articulated shaft is arranged on the bottom plate and located on one side of the round rod, a swing rod is rotatably arranged on the articulated shaft, the other end of the swing rod is connected with the round rod through a spring four, and positioning plates of the swing rod are symmetrically arranged on the bottom plate and located on two sides of the swing rod;

the sliding plate moves left and right, the swing rod is driven to swing through the spring IV, the swing rod is positioned through the spring IV, and the sliding plate can be switched between a left limit position and a right limit position.

The positioning plate is provided with a positioning jackscrew through threaded connection, and the positioning jackscrew can adjust two limit positions of the oscillating bar.

The two sides of the bottom plate are provided with side plates, a through hole is arranged on the bottom plate and between the two side plates, the through hole is arranged between the fixed compressing assembly and the movable compressing assembly, the bottom plate is provided with a baffle plate at the periphery of the through hole, one side of the bottom plate close to the limiting structure is provided with a guide rod, the guide rod is sleeved with a supporting plate matched with the through hole, the baffle plate is connected with the lower end of the guide rod through a blocking plate,

the outer side of the side plate far away from the limiting structure is externally connected with a mounting plate, a lifting screw rod is rotatably arranged on the mounting plate through a bearing, the bottom end of the lifting screw rod is rotatably arranged on the plugging plate, and the supporting plate is arranged on the lifting screw rod through threaded connection;

end plates for plugging two side plates are arranged at two ends of the upper cover, a strip opening allowing the end plates to pass through is formed in the bottom plate, extension rods are symmetrically arranged below the upper cover, the rectangular pressing plate is fixed on the extension rods, straight groove holes are formed in the middle positions of the two end plates, a fixing plate is arranged on the outer side of the end plate on the bottom plate, fixing holes matched with the straight groove holes are formed in the fixing plate, and the end plates are fixed on the bottom plate through bolts passing through the fixing holes and the straight groove holes;

the lifting screw is rotated, the supporting plate is lifted along the guide rod, the upper end of the supporting plate can be flush with the upper end face of the bottom plate, the upper cover moves downwards, and the rectangular pressing plate can be in contact with the bottom plate.

The fixed assembly pressing device is characterized in that a first gauze mask rope hook is arranged on the bottom plate and located on the outer side of the fixed assembly pressing device, a strip plate is arranged on the outer side of the movable assembly pressing device and provided with a second gauze mask rope hook, the bottom plate is provided with a sliding groove matched with the strip plate, and the sliding groove is communicated with the sliding groove.

In order to guarantee the rectangle clamp plate can compress tightly the gauze mask, the position that upper cover top and end otic placode and high otic placode correspond is provided with the boss, be provided with on the boss and place end otic placode, high otic placode and the recess of spring one.

The upper cover is provided with red seal, yellow seal and green seal in proper order in the outside of gauze mask rope couple one, red seal, yellow seal and green seal all set up through five springs on the upper cover, be provided with the permission on the upper cover the opening that red seal, yellow seal and green seal pass through presses red seal, yellow seal and green seal can be printed the colour that corresponds on the hangers rope of gauze mask, in order to guarantee that the seal can be printed on the gauze mask hangers rope, the length of yellow seal is greater than the length of red seal at best, and the length of green seal is greater than the yellow seal, and three seal is the echelonment and distributes promptly. Red seal, yellow seal and green seal can correspond different family members to distinguish the gauze mask, more sanitary and can avoid the confusion, the number of seal of course can be according to actual conditions and decide.

The upper cover is provided with an opening allowing the second red seal to pass through, and the second red seal can print corresponding colors on the lug rope of the mask, and is also distributed in a stepped manner. The second red seal can record the disinfection frequency, so that the condition that the disinfection frequency of the mask exceeds the specified use time is avoided.

The ultraviolet disinfection lamp is arranged between the front baffle and the rear baffle, and the bottom plate is provided with a light-transmitting opening allowing light to pass through.

The working principle is as follows: the upper cover is detached, the limiting rod is pulled outwards until the limiting block is separated from a limiting opening in the compression rod, the compression rod is reset under the action of the second spring and forms a certain angle with the bottom plate, the angle is generally 40-70 degrees, a hanger rope of a mask to be disinfected is hung on the first mask rope hook, then the compression rod on the fixed compression assembly is pressed, one end of the mask is pressed through the compression rod, the middle position (the multilayer folding connection part of the mask) is clamped, the other end of the mask is clamped on the compression rod of the movable compression assembly, the movable compression assembly is close to the fixed clamping assembly, the mask can be kept in a wearing state, namely the middle folding area is pulled open, better disinfection is facilitated, then the screw rod is rotated, the supporting plate is far away from the mask, then the upper cover is covered, and at the moment, the rectangular pressing plate on the upper cover is far away from the mask, and the ultraviolet disinfection lamp is started to disinfect;

after the disinfection is accomplished, open the upper cover, manual stirring the slide, the slide drives two toward keeping away from of gauze mask rope hook on rectangular board and the rectangular board the fixed direction that compresses tightly the subassembly removes, will the gauze mask is taut, simultaneously the pendulum rod swing, and keep fixed under the effect of spring four, then rotate the screw rod, the layer board rise until with the bottom plate parallel and level, then will the upper cover is covered, and passes through the straight flute hole is adjusted the position of upper cover, until the rectangle clamp plate top is on the gauze mask, compresses tightly the gauze mask, stops after a period to the realization flattens to the gauze mask.

After the work is finished, the color of different stamps is pressed to distinguish the mask and record the number of times of mask disinfection, the upper cover is detached, the limiting rod is pulled to reset the pressing rod, then the mask is taken down, and the sliding plate is slid to reset the sliding plate.

Compared with the prior art, the invention has the beneficial effects that: the mask with short service time can be sterilized, so that the mask can be worn safely; the mask can be flattened and the disinfected mask can be marked.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view with the upper cover removed.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of fig. 2 at B.

Fig. 5 is a schematic view of the structure under the bottom plate.

Fig. 6 is a partially enlarged view of C in fig. 5.

Fig. 7 is a schematic view of a structure with a different angle from that of fig. 5.

Fig. 8 is a partially enlarged view of fig. 7 at D.

Fig. 9 is a reference view of the use state of the pressure mask.

Fig. 10 is a partially enlarged view of fig. 9 at E.

Fig. 11 is a schematic structural view of the inside of the base plate.

Fig. 12 is a partial enlarged view at F in fig. 11.

Fig. 13 is a schematic structural view of the related member of the base plate.

Fig. 14 is a schematic structural view of the related member of the upper cover.

Wherein the reference numbers are: 1. a base plate; 2. an upper cover; 3. fixing the compressing assembly; 4. a movable compression assembly; 5. a support plate; 8. a mask; 9. mounting a plate; 10. a first mask rope hook; 11. a red seal; 12. a yellow seal; 13. a green seal; 14. a second red seal; 15. an ultraviolet disinfection lamp; 101. a chute; 102. a rectangular opening; 103. a side plate; 104. a sliding groove; 105. a baffle plate; 106. a strip opening; 107. a light-transmitting opening; 108. a fixing plate; 109. a fixing hole; 110. a plugging plate; 201. an end plate; 202. a straight slot hole; 203. a boss; 204. a rectangular pressing plate; 301. a high ear plate; 302. a bottom ear plate; 304. a hold down bar; 305. a compression plate; 306. a second spring; 307. a first spring; 308. 311, a limiting opening; 401. a slide plate; 402. a strip plate; 403. a second mask rope hook; 404. a round bar; 405. hinging a shaft; 406. a swing rod; 407. a fourth spring; 408. positioning a plate; 409. positioning a jackscrew; 501. a lifting screw; 502. a guide rod; 601. a second ear plate; 602. a limiting block; 603. a limiting rod; 604. a third spring; 801. a suspension loop rope.

Detailed Description

In order to clearly explain the technical features of the present solution, the present solution is explained by the following detailed description.

Referring to fig. 1-14, an ultraviolet disinfection device comprises a base and an upper cover 2, a closed space is formed between the base and the upper cover 2, a fixed pressing component 3 is arranged on one side of the base, a movable pressing component 4 is arranged on the other side of the base, an ultraviolet disinfection lamp 15 is arranged on the base and on the outer side of the lower portion of the pressing component, a rectangular pressing plate 204 is arranged below the upper cover 2, and the fixed pressing component 3 and the movable pressing component 4 are both pressed on the middle edges of two sides of a mask.

The fixed pressing component 3 and the movable pressing component 4 both comprise a high ear plate 301 and a low ear plate 302, pressing rods 304 are rotatably arranged between the high ear plate 301 and the bottom ear plate 302, pressing plates 305 are arranged in the middle positions below the pressing rods 304 through springs 307, the pressing plates 305 extend out of the pressing rods 304, the high ear plate 301 and the pressing rods 304 are connected through springs 306, the springs 306 are not stressed, and an included angle is formed between the pressing rods 304 and the base;

the base comprises a bottom plate 1, a high lug plate and a low lug plate of a fixed pressing assembly 3 are both fixedly arranged on the bottom plate 1, a sliding groove 101 is formed in the bottom plate 1, a sliding plate 401 is arranged in the sliding groove 101 in a sliding manner, the high lug plate and the low lug plate of a movable pressing assembly 4 are both arranged on the sliding plate 401, and the upper end face of the sliding plate 401 is flush with the upper end of the bottom plate 1;

two pressure bars 304 all can be fixed through limit structure and can be parallel with bottom plate 1, and the pressure strip that the while was fixed to compress tightly subassembly 3 can push up on bottom plate 1 and the pressure strip that activity compressed tightly subassembly 4 can push up on slide 401.

The limiting structure comprises a second lug plate 601, a limiting rod 603 is sleeved on the second lug plate 601, a limiting block 602 is fixedly arranged at the inner end of the limiting rod 603, the limiting block 602 is fixedly arranged on the inner side of the second lug plate 601 through a third spring 604 sleeved on the limiting rod 603, the second lug plate of the fixed pressing assembly 3 is fixed on the bottom plate 1, the second lug plate of the movable pressing assembly 4 is fixed on the sliding plate 401, the upper end face of the limiting block 602 can be in contact with the pressing rod 304, the contact face of the upper end face of the limiting block 602 is an inclined face, one end of the pressing rod 304 in contact with the limiting block 602 is provided with a limiting opening 311, the pressing rod 304 is stressed to move downwards from top to bottom and is in contact with the inclined face, the limiting block 602 compresses the spring and moves in the direction away from the pressing rod 304 until the limiting block 602 is inserted into the limiting opening 311, and the limiting block 602 can limit the pressing rod 304 so that the pressing rod 304 is parallel to the bottom plate 1.

The positioning structure of the sliding plate 401 is further included, the positioning structure includes a rectangular opening 102 arranged on the sliding groove 101, a rectangular block 410 matched with the rectangular opening 102 is arranged below the sliding plate 401, a round rod 404 is arranged at the center of the lower portion of the rectangular block 410, a hinge shaft 405 is arranged on the bottom plate 1 and located on one side of the round rod 404, a swing rod 406 is rotatably arranged on the hinge shaft 405, the other end of the swing rod 406 is connected with the round rod 404 through a spring four 407, and positioning plates 408 of the swing rod 406 are symmetrically arranged on the bottom plate 1 and located on two sides of the swing rod 406;

the sliding plate 401 moves left and right, the swing rod 406 is driven to swing through the spring four 407, positioning is carried out through the spring four 407, and the sliding plate 401 can be switched between left and right limit positions.

The positioning plate 408 is provided with a positioning jackscrew 409 through threaded connection, and the positioning jackscrew 409 can adjust two limit positions of the swing rod 406.

The side plates 103 are arranged on two sides of the bottom plate 1, a through hole is formed in the bottom plate 1 and between the two side plates 103, the through hole is located between the fixed compressing assembly 3 and the movable compressing assembly 4, the baffle plates 105 are arranged on the bottom plate 1 and on the periphery of the through hole, a guide rod 502 is arranged on one side, close to the limiting structure, below the bottom plate 1, a supporting plate 5 matched with the through hole is sleeved on the guide rod 502, and the baffle plates 105 are connected with the lower ends of the guide rod 502 through plugging plates 110;

the outer side of the side plate far away from the limiting structure is externally connected with a mounting plate 9, a lifting screw 501 is rotatably arranged on the mounting plate 9 through a bearing, the bottom end of the lifting screw 501 is rotatably arranged on the plugging plate 110, and the supporting plate 5 is arranged on the lifting screw 501 through threaded connection;

end plates 201 for plugging the two side plates 103 are arranged at two ends of the upper cover 2, a long strip opening 106 allowing the end plates 201 to pass through is arranged on the bottom plate 1, extension rods are symmetrically arranged below the upper cover 2, a rectangular pressing plate 204 is fixed on the extension rods, straight groove holes 202 are arranged at the middle positions of the two end plates 201, a fixing plate 108 is arranged on the bottom plate 1 and positioned at the outer side of the end plates 201, fixing holes 109 matched with the straight groove holes 202 are arranged on the fixing plate 108, and the end plates 201 are fixed on the bottom plate 1 through bolts penetrating through the fixing holes 109 and the straight groove holes 202;

by rotating the lifting screw 501, the supporting plate 5 is lifted along the guide rod 502, the upper end of the supporting plate 5 can be flush with the upper end face of the bottom plate 1, the upper cover 2 moves downwards, and the rectangular pressing plate 204 can be in contact with the bottom plate 1.

The outer side of the bottom plate 1, which is located on the fixed pressing assembly 3, is provided with a mask rope hook I10, the outer side of the sliding plate 401, which is located on the movable pressing assembly 4, is provided with a strip plate 402, the strip plate 402 is provided with a mask rope hook II 403, the bottom plate 1 is provided with a sliding groove 104 matched with the strip plate 402, and the sliding groove 104 is communicated with the sliding groove 101.

In order to ensure that the rectangular pressing plate 204 can press the mask 8, a boss 203 is arranged at a position corresponding to the bottom ear plate 302 and the high ear plate 301 above the upper cover 2, and a groove for placing the bottom ear plate 302, the high ear plate 301 and the second spring 306 is arranged on the boss 203.

Last 2 of the upper cover and be located the outside of gauze mask rope couple 10 and have set gradually red seal 11, yellow seal 12 and green seal 13, red seal 11, yellow seal 12 and green seal 13 all set up on upper cover 2 through five springs, be provided with on the upper cover 2 and allow red seal 11, the opening that yellow seal 12 and green seal 13 pass through, press red seal 11, yellow seal 12 and green seal 13 can be with the colour that corresponds on 8 hangers rope 801 of gauze mask, when on the gauze mask hangers rope can be printed in order to guarantee the seal, the length of yellow seal 12 is better than the length of red seal 11, the length of green seal 13 is greater than yellow seal 12, three seal is the echelonment and distributes promptly. Red seal 11, yellow seal 12 and green seal 13 can correspond different family members to distinguish the gauze mask, and more sanitary just can avoid the confusion, and the number of seal of course can be according to actual conditions and decide.

The upper cover 2 is provided with three red seals II 14 in sequence on the outer side of the mask rope hook II 403, the red seals II 14 are all arranged on the upper cover 2 through a spring six, the upper cover 2 is provided with an opening allowing the red seals II 14 to pass through, the corresponding colors can be printed on the lug rope 801 of the mask 8 by pressing the red seals II 14, and the three red seals II 14 are also distributed in a step shape. The second red seal 14 can record the disinfection frequency, so that the condition that the mask exceeds the specified use time due to too many disinfection frequencies is avoided.

The ultraviolet ray sterilizing lamp 15 is disposed between the front and rear shutters 105, and the base plate 1 is provided with a light transmitting opening 107 for allowing light to pass therethrough.

The working principle is as follows: the upper cover 2 is detached, the limiting rod 603 is pulled outwards until the limiting block 602 is separated from the limiting opening 311 on the pressing rod 304, the pressing rod 304 is reset under the action of the second spring 306, a certain angle is formed between the pressing rod 304 and the bottom plate 1, the angle is generally 40-70 degrees, a hanging lug rope 801 of the mask 8 to be sterilized is hung on a mask rope hook I10, then the pressing rod 304 on the fixed pressing component 3 is pressed, one end of the mask 8 is pressed through the pressing rod 304 and the middle position (the multilayer folding connection position of the mask) is clamped, the other end of the mask 8 is clamped on the pressing rod of the movable pressing component 4, the movable pressing component 4 is close to the fixed clamping component 3, the mask 8 can be kept in a wearing state, namely the middle folding area is pulled open, so that better sterilization is facilitated, the lifting screw 501 is rotated, the supporting plate 5 is far away from the mask 8, the upper cover 2 is covered, and at the moment, the rectangular pressing plate 204 on the upper cover 2 is far away from the mask 8, and the ultraviolet disinfection lamp 15 is started for disinfection;

after the disinfection is completed, open upper cover 2, slide 401 is stirred manually, slide 401 drives rectangular board 402 and two 403 of gauze mask rope hook on the rectangular board 402 and moves towards the direction of keeping away from fixed pressure subassembly 3, it is taut with gauze mask 8, pendulum rod 406 swings simultaneously, and keep fixed under the effect of spring four 407, then rotate lifting screw 501, layer board 5 rises until 1 parallel and level with the bottom plate, then cover upper cover 2, and adjust the position of upper cover 2 through straight slotted hole 202, until rectangle clamp plate 204 pushes up on gauze mask 8, compress tightly gauze mask 8, after dwell a period, so that realize flattening to gauze mask 8.

After above-mentioned work is accomplished, press the colour of different seals and distinguish the gauze mask and carry out the record to the sterile number of times of gauze mask, demolish upper cover 2, pulling gag lever post 603 makes and compresses tightly pole 304 and resets, then takes off gauze mask 8, and slide 401 makes the slide reset.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, e.g. as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical features of the present invention, which are not described in the present application, can be implemented by or using the prior art, and are not described herein again, and of course, the above description is not limited to the above examples, and the present invention is not limited to the above examples, and variations, modifications, additions and substitutions which can be made by those skilled in the art within the spirit of the present invention should also fall within the scope of the present invention.

Claims

1. An ultraviolet disinfection device is characterized by comprising a base and an upper cover, wherein a closed space is formed between the base and the upper cover, a fixed pressing component is arranged on one side of the base, a movable pressing component is arranged on the other side of the base, an ultraviolet disinfection lamp is arranged on the base and positioned on the outer side below the pressing component, a rectangular pressing plate is arranged below the upper cover, and the fixed pressing component and the movable pressing component are both pressed at the middle edges of two sides of a mask;

the two pressing rods can be fixed through a limiting structure and can be parallel to the bottom plate, meanwhile, a pressing plate of the fixed pressing assembly can be abutted against the bottom plate, and a pressing plate of the movable pressing assembly can be abutted against the sliding plate;

2. The ultraviolet disinfection device of claim 1, further comprising a positioning structure of the sliding plate, wherein the positioning structure comprises a rectangular opening arranged on the sliding chute, a rectangular block matched with the rectangular opening is arranged below the sliding plate, a round rod is arranged at the center of the lower part of the rectangular block, an articulated shaft is arranged on the bottom plate and positioned on one side of the round rod, a swing rod is rotatably arranged on the articulated shaft, the other end of the swing rod is connected with the round rod through a spring IV, and positioning plates of the swing rod are symmetrically arranged on the bottom plate and positioned on two sides of the swing rod;

3. The ultraviolet disinfection device of claim 2, wherein the positioning plate is provided with a positioning top thread through threaded connection, and the positioning top thread can adjust two limit positions of the swing rod.

4. The ultraviolet disinfection device of claim 1, wherein side plates are arranged on two sides of the bottom plate, a through hole is arranged on the bottom plate and between the two side plates, the through hole is arranged between the fixed compression assembly and the movable compression assembly, baffle plates are arranged on the bottom plate and at the periphery of the through hole, a guide rod is arranged on one side of the bottom plate close to the limiting structure, a supporting plate matched with the through hole is sleeved on the guide rod, and the baffle plates are connected with the lower ends of the guide rods through a blocking plate;

5. The ultraviolet disinfection device as claimed in claim 2, wherein a first mask rope hook is arranged on the bottom plate and located on the outer side of the fixed pressing component, a strip plate is arranged on the sliding plate and located on the outer side of the movable pressing component, a second mask rope hook is arranged on the strip plate, a sliding groove matched with the strip plate is arranged on the bottom plate, and the sliding groove is communicated with the sliding groove.

6. The ultraviolet disinfection device of claim 5, wherein a red stamp, a yellow stamp and a green stamp are sequentially arranged on the upper cover and positioned on the outer side of the first mask rope hook, the red stamp, the yellow stamp and the green stamp are arranged on the upper cover through a fifth spring, an opening allowing the red stamp, the yellow stamp and the green stamp to pass through is formed in the upper cover, and the red stamp, the yellow stamp and the green stamp are pressed to print corresponding colors on the ear hanging rope of the mask.

7. The ultraviolet disinfection device of claim 6, wherein three red seals II are sequentially arranged on the upper cover and positioned outside the mask rope hook II, the red seals II are arranged on the upper cover through springs six, an opening allowing the red seals II to pass is formed in the upper cover, and corresponding colors can be printed on the lug rope of the mask by pressing the red seals II.

8. The ultraviolet disinfection apparatus of claim 4, wherein the ultraviolet disinfection lamp is disposed between a front baffle and a rear baffle, and the bottom plate is provided with a light-transmitting opening for allowing light to pass through.