CN216536307U - Pen type sterilizer - Google Patents

Abstract

The utility model relates to a pen-type sterilizer. The pen-type sterilizer comprises a first shell and a second shell; a first hollow cavity is arranged in the first shell, a disinfection rod is arranged in the first hollow cavity, the disinfection rod can release air for disinfecting air, and an air hole communicated with the first hollow cavity is formed in the first shell; second casing one end can be dismantled with first casing and be connected, and cavity in the inside of second casing is equipped with the second, and cavity is used for holding the antiseptic solution in the second, and the second casing other end is equipped with the spraying structure, and cavity intercommunication in the water sucking mouth and the second of spraying structure. This pen type sterilizer, the inside disinfection stick of placing of first casing, this disinfection stick can disinfect to release gas, and the antiseptic solution can be placed to second casing inside to through spraying structure blowout, can select to disinfect to specific position. Overcomes the defect of single function of the sterilizer, has simple structure and convenient carrying, and realizes the timely sterilization and disinfection effect.

Description

Pen type sterilizer

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a pen-type sterilizer.

Background

With the progress and development of human society, people are more and more conscious of personal hygiene protection. Especially in the environment of rapid spread of various infectious diseases, the probability of infecting various diseases can be greatly reduced by carrying personal hygiene protective articles with the user.

Common sanitary protective articles such as alcohol disinfectant are generally filled in a spray bottle, and have large volume and inconvenient carrying. Meanwhile, as the function is single, other disinfection articles need to be carried simultaneously in order to meet various disinfection requirements, and difficulty is brought to timely disinfection.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a pen-type sterilizer for solving the problem of difficulty in timely sterilization.

A pen sterilizer comprising:

the air purifier comprises a first shell, a second shell and a third shell, wherein a first hollow cavity is arranged inside the first shell, a disinfection rod is arranged in the first hollow cavity, the disinfection rod can release air for disinfecting air, and an air hole communicated with the first hollow cavity is formed in the first shell;

the second casing, second casing one end can with the connection can be dismantled to first casing, cavity in the inside of second casing is equipped with the second, cavity is used for holding the antiseptic solution in the second, the second casing other end is equipped with the spraying structure, the water sucking mouth of spraying structure with cavity intercommunication in the second.

Above-mentioned pen type sterilizer, the inside disinfection stick of placing of first casing, this disinfection stick can be to release gas, disinfects to surrounding air, and the antiseptic solution can be placed to the second casing is inside to spout through the spraying structure, can select to disinfect to specific position. The first shell and the second shell are detachably connected, so that any one shell or two shells can be carried as required, the defect of single function of the sterilizer is overcome, the structure is simple, the carrying is convenient, and the timely disinfection and sterilization effects are realized.

In one embodiment, one end of the second shell, which is close to the first shell, is provided with a first connecting portion, the first connecting portion can extend into the first hollow cavity, the first connecting portion can abut against the disinfecting rod, the outer peripheral surface of the first connecting portion is provided with a first groove, the inner wall of the first hollow cavity is provided with a first flange, and the second shell and the first shell are in fit clamping connection with the first flange through the first groove.

In one embodiment, the first housing includes an end cover and a body portion, the first hollow cavity is disposed inside the body portion, the vent hole is disposed on the end cover, a second connecting portion is disposed at an end of the end cover close to the body portion, the second connecting portion can extend into the body portion, the second connecting portion can abut against the disinfection rod, a first protrusion is disposed on the second connecting portion, an L-shaped groove is disposed on an inner wall of the body portion, the L-shaped groove includes a vertical groove disposed along an axial direction and a transverse groove disposed perpendicular to the axial direction, the vertical groove is communicated with the transverse groove, and the first housing and the end cover are in fit clamping connection with the L-shaped groove through the first protrusion.

In one embodiment, a sprayer cover is arranged at one end of the second shell, which is far away from the first shell, the sprayer cover is detachably connected with the first shell, and the sprayer cover seals the spraying structure on the inner side of the sprayer cover.

In one embodiment, the spraying structure includes a water suction pipe, a pressing pump, a sealing portion, and a pressing cover, a water suction port of the water suction pipe is communicated with the second hollow cavity, a water outlet of the water suction pipe is communicated with the water suction port of the pressing pump, the sealing portion is sleeved outside the pressing cover and the pressing pump, the pressing cover can move in the axial direction of the pressing pump relative to the pressing pump and the sealing portion, the pressing cover can rotate relative to the pressing pump and the sealing portion, an outer wall of one end of the sealing portion, which is close to the water suction pipe, abuts against an inner wall of the second housing, a second protrusion is arranged on an outer wall of the sealing portion, the second protrusion abuts against an end face of the second housing, and a nozzle is arranged on the pressing cover and is communicated with a water outlet of the pressing pump.

In one embodiment, a pen clip is arranged on the outer wall of the first shell.

In one embodiment, the disinfection rod comprises a rod core and a rod body, wherein the rod core is filled with a first material, the rod body is filled with a second material, and the first material and the second material are mixed to release gaseous chlorine dioxide.

In one embodiment, the pen further comprises a third shell, a third hollow cavity is arranged inside the third shell, a pen core is arranged in the third hollow cavity, the pen core comprises a pen core body and a pen point, the pen core body is connected with the pen point, one end of the third shell can be detachably connected with the first shell, and one end, far away from the pen core body, of the pen point extends out of the other end of the third shell.

In one embodiment, one end of the third casing, which is detachably connected to the first casing, is provided with a third connecting portion, the third connecting portion can extend into the first hollow cavity, the third connecting portion can abut against the disinfection rod, a second groove is formed in the outer peripheral surface of the third connecting portion, a second flange is formed on the inner wall of the first hollow cavity, and the third casing and the first casing are in fit clamping connection with the second flange through the second groove.

In one embodiment, a third protrusion is arranged on an inner wall of the third hollow cavity, the third protrusion can abut against an end surface of the pen core body far away from the pen tip, the third casing comprises a holding part and a pen head part, one end of the holding part is detachably connected with the first casing, the other end of the holding part is in threaded connection with the pen head part, the diameter of the pen tip is smaller than that of the pen core body, a fourth protrusion is arranged on an inner wall of the pen head part, the fourth protrusion abuts against an end surface of the pen core body close to the pen tip, and the pen tip can extend out of one end of the pen head part far away from the holding part.

Drawings

FIG. 1 is a schematic diagram of a pen-type sterilizer according to an embodiment;

FIG. 2 is a cross-sectional view A-A of the pen sterilizer of the embodiment of FIG. 1;

FIG. 3 is an enlarged view of the embodiment of FIG. 2 taken at point B;

FIG. 4 is an exploded view of the pen sterilizer of the embodiment of FIG. 1;

FIG. 5 is a schematic view of another embodiment pen sterilizer;

FIG. 6 is a cross-sectional C-C view of the pen sterilizer of the embodiment of FIG. 5;

figure 7 is an exploded view of the pen sterilizer of the embodiment of figure 5.

Reference numerals: 100. a pen-type sterilizer; 10. a first housing; 11. a body portion; 111. a pen clip; 12. an end cap; 121. a second connecting portion; 122. a first protrusion; 13. air holes are formed; 14. a first flange; 15. an L-shaped groove; 16. a second flange; 20. a disinfecting stick; 30. a second housing; 31. a first connection portion; 32. a first groove; 40. a spray structure; 41. a suction pipe; 42. a pump is pressed; 43. a sealing part; 431. a second protrusion; 44. a gland; 441. a nozzle; 50. a third housing; 51. a hand-held portion; 52. a pen head portion; 53. a third connecting portion; 54. a second groove; 60. a pen core; 61. a cartridge body; 62. a pen point; 70. and a sprayer cover.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Pen-type sterilizer 100 provided in accordance with some embodiments of the present application will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, 2, 3, 4, 5, 6 and 7, in one embodiment, there is provided a pen sterilizer 100 comprising a first housing 10;

as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, a first hollow cavity is disposed inside the first housing 10, a disinfection rod 20 is disposed inside the first hollow cavity, the disinfection rod 20 can release air for disinfecting air, and an air hole 13 communicated with the first hollow cavity is disposed on the first housing 10;

further, as shown in figures 1, 2, 3 and 4, the pen sterilizer 100 also includes a second housing 30. Second casing 30 one end can be dismantled with first casing 10 and be connected, and the cavity is in the inside of second casing 30 is equipped with the second, and the cavity is used for holding the antiseptic solution in the second, and the second casing 30 other end is equipped with spray structure 40, and the water sucking mouth and the cavity intercommunication in the second of spray structure 40.

In the pen sterilizer 100, the sterilizing rod 20 is disposed in the first housing 10, the sterilizing rod 20 can sterilize the surrounding air by releasing gas, and the sterilizing liquid can be disposed in the second housing 30 and sprayed out through the spraying structure 40, thereby selectively sterilizing a specific portion. First casing 10 and second casing 30 can be dismantled and be connected, can select to carry first casing 10, second casing 30, first casing 10 and second casing 30 as required, have overcome the shortcoming of sterilizer function singleness, simple structure, and convenient to carry realizes timely disinfection and sterilization effect.

Specifically, as shown in fig. 1, 2, 3 and 4, in an embodiment, one end of the second housing 30 close to the first housing 10 is provided with a first connection portion 31, the first connection portion 31 can extend into the first hollow cavity, and the first connection portion 31 can abut on the disinfection rod 20. The first connecting portion 31 abuts against the disinfecting stick 20, and the disinfecting stick 20 can be fixed inside the first housing 10, so that the disinfecting stick 20 does not shake inside the first housing 10 during carrying and the disinfecting stick 20 fails.

Specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, in an embodiment, a first groove 32 is disposed on an outer peripheral surface of the first connecting portion 31, a first flange 14 is disposed on an inner wall of the first hollow cavity, and the second housing 30 and the first housing 10 are in fit and snap-fit engagement with the first flange 14 through the first groove 32. Meanwhile, the first groove 32 is matched and clamped with the first flange 14, so that the first shell 10 and the second shell 30 are effectively connected, the first shell 10 and the second shell 30 can be easily separated when the pen-shaped sterilizer 100 needs to be carried separately, the operation is simple, the use is convenient, and the portability of the pen-shaped sterilizer 100 is effectively improved.

Optionally, in an embodiment, the first housing and the second housing are detachably connected by a screw fit.

Specifically, as shown in fig. 1, 2, 3, 4, 5, 6 and 7, in an embodiment, the first housing 10 includes an end cap 12 and a main body 11, the first hollow cavity is disposed inside the main body 11, the vent 13 is disposed on the end cap 12, one end of the end cap 12 close to the main body 11 is provided with a second connection portion 121, the second connection portion 121 can extend into the main body 11, and the second connection portion 121 can abut against the disinfection rod 20. The first connecting portion 31 and the second connecting portion 121 are respectively abutted to two ends of the disinfection rod, so that the disinfection rod 20 can be fixed inside the first housing 10, and therefore, in the carrying process, the disinfection rod 20 cannot shake inside the first housing 10 to cause the disinfection rod 20 to lose efficacy.

Specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, in an embodiment, a first protrusion 122 is disposed on the second connecting portion 121, an L-shaped groove 15 is disposed on an inner wall of the body portion 11, the L-shaped groove 15 includes a vertical groove disposed along the axial direction and a horizontal groove disposed perpendicular to the axial direction, the vertical groove is communicated with the horizontal groove, and the body portion 11 and the end cap 12 are in fit and snap-fit with the L-shaped groove 15 through the first protrusion 122. The first protrusion 122 of the end cap 12 is aligned with the opening of the L-shaped groove 15, the end cap 12 is pressed downward until the first protrusion 122 reaches the bottom of the L-shaped groove 15, and the end cap 12 is rotated to clamp the first protrusion 122 inside the L-shaped groove 15, thereby tightly covering the end cap 12. When the end cap 12 is opened, the end cap 12 is rotated in the reverse direction so that the first projection 122 is aligned with the opening of the L-shaped groove 15, and the end cap 12 is pulled upward. After the end cover 12 is arranged and the disinfection rod 20 is invalid, the end cover 12 can be opened to replace the disinfection rod 20, so that the pen-type sterilizer 100 can be repeatedly used, and the use cost of the pen-type sterilizer 100 is reduced.

Optionally, in an embodiment, the first casing 10 is a casing with an opening at one end, the opening of the first casing is located at an end close to the second casing, a first hollow cavity is disposed in the first casing 10, an air hole 13 is disposed on an outer circumferential surface of the first casing 10, and the air hole 13 is communicated with the first hollow cavity. The spent sterilizing rod 20 can be taken out from the opening of the first housing 10 to be replaced with a new sterilizing rod 20.

Specifically, as shown in fig. 1, 2, 3 and 4, in one embodiment, the end of the second housing 30 away from the first housing 10 is provided with a cap 70, the cap 70 is detachably connected to the first housing 10, and the cap 70 seals the spray structure 40 inside the cap 70. When the spraying structure 40 is not used, the sprayer cover 70 is covered, so that the spraying structure 40 can be effectively protected. When the spraying structure 40 is used, the sprayer cover 70 is opened, so that the operation is simple and the use is convenient. Effectively preventing the spray structure 40 from being damaged during carrying and increasing the service life of the pen-type sterilizer 100.

Specifically, as shown in fig. 1, 2, 3, and 4, in an embodiment, the spray structure 40 includes a water suction pipe 41, a pressing pump 42, a sealing portion 43, and a pressing cover 44, a water suction port of the water suction pipe 41 communicates with the second hollow cavity, a water outlet of the water suction pipe 41 communicates with the water suction port of the pressing pump 42, the sealing portion 43 is sleeved outside the pressing cover 44 and the pressing pump 42, the pressing cover 44 can move along an axial direction of the pressing pump 42 relative to the pressing pump 42 and the sealing portion 43, the pressing cover 44 can rotate relative to the pressing pump 42 and the sealing portion 43, an outer wall of one end of the sealing portion 43 close to the water suction pipe 41 abuts against an inner wall of the second housing 30, a second protrusion 431 is disposed on an outer wall of the sealing portion 43, the second protrusion 431 abuts against an end surface of the second housing 30, a nozzle 441 is disposed on the pressing cover 44, and the nozzle 441 communicates with a water outlet of the pressing pump 42. The pen-shaped sterilizer 100 has the advantages that the spraying structure 40 is fixedly connected with the second shell 30 in a sealing mode through the sealing part 43, a finished liquid flow channel is formed through the water suction pipe 41, the pressing pump 42 and the pressing nozzle, the pressing cover 44 can be pressed to drive the pressing pump 42 to suck water and spray the water from the nozzle 441, and the pen-shaped sterilizer is simple in structure and convenient to use.

Specifically, as shown in fig. 1, 2, 3, 4, 5, 6 and 7, in an embodiment, a pen clip 111 is disposed on an outer wall of the first housing 10. The pen type sterilizer 100 can be hung on clothes through the pen clip 111, has a simple structure, and improves the portability of the pen type sterilizer 100.

In one embodiment, the disinfecting wand 20 comprises a core and a body, the core comprises a first material and the body comprises a second material, and the first material and the second material are mixed to release gaseous chlorine dioxide. When a user needs to disinfect the peripheral air, the disinfection rod 20 is taken out of the first shell 10 and the rod core is broken off, so that the first material and the second material are mixed to generate gaseous chlorine dioxide, the gaseous chlorine dioxide is slowly released, the peripheral air can be disinfected, and the operation is simple and the use is convenient.

Specifically, as shown in fig. 5, 6 and 7, in an embodiment, the pen further includes a third casing 50, a third hollow cavity is provided inside the third casing 50, a pen core 60 is provided inside the third hollow cavity, the pen core 60 includes a pen core body 61 and a pen tip 62, the pen core body 61 is connected to the pen tip 62, one end of the third casing 50 is detachably connected to the first casing 10, and one end of the pen tip 62 away from the pen core body 61 extends out from the other end of the third casing 50. When the user only needs one disinfection function, the first shell 10 and the second shell 30 can be separated, and the third shell 50 is connected with the first shell 10, so that the peripheral air can be disinfected while writing can be realized, and the multifunctional pen is simple in operation and convenient to use.

Specifically, as shown in fig. 5, 6 and 7, in an embodiment, one end of the third housing 50 for detachable connection with the first housing 10 is provided with a third connecting portion 53, the third connecting portion 53 can extend into the first hollow cavity, and the third connecting portion 53 can abut on the disinfection rod 20. The second connecting portion 121 and the third connecting portion 53 abut against two end faces of the disinfection rod 20 respectively, and the disinfection rod 20 can be fixed inside the first housing 10, so that the disinfection rod 20 cannot shake inside the first housing 10 to cause the disinfection rod 20 to lose efficacy in the carrying process.

Specifically, as shown in fig. 5, 6 and 7, in an embodiment, a second groove 54 is formed on an outer peripheral surface of the third connecting portion 53, a second flange 16 is formed on an inner wall of the first hollow cavity, and the third casing 50 and the first casing 10 are in fit and snap-fit connection with the second flange 16 through the second groove 54. Meanwhile, the second groove 54 is matched and clamped with the second flange 16, so that the first shell 10 and the third shell 50 are effectively connected, the first shell 10 and the third shell 50 can be easily separated when the pen-shaped sterilizer 100 needs to be carried separately, the operation is simple, the use is convenient, and the portability of the pen-shaped sterilizer 100 is effectively improved.

Specifically, as shown in fig. 5, 6 and 7, in an embodiment, a third protrusion is disposed on an inner wall of the third hollow cavity, the third protrusion can abut against an end surface of the cartridge body 61 far from the pen tip 62, the third casing 50 includes a grip portion 51 and a pen tip 52, one end of the grip portion 51 is detachably connected to the first casing 10, the other end of the grip portion 51 is in threaded connection with the pen tip 52, the diameter of the pen tip 62 is smaller than that of the cartridge body 61, a fourth protrusion is disposed on an inner wall of the pen tip 52, the fourth protrusion abuts against an end surface of the cartridge body 61 near the pen tip 62, and the pen tip 62 can protrude from an end of the pen tip 52 far from the grip portion 51. The cartridge body 61 is provided at both ends thereof with protrusions for fixing the axial position of the cartridge body 61, and the pen tip 62 is extended from the pen head 52 for facilitating writing. Meanwhile, the grip part 51 and the pen head 52 are in threaded connection, so that the pen core 60 can be conveniently replaced, the third shell 50 can be repeatedly used, and the use cost of the pen-type sterilizer 100 is reduced.

Specifically, as shown in fig. 5, 6 and 7, in an embodiment, when the first housing 10 is connected with the third housing 50, the third hollow cavity communicates with the first hollow cavity. That is, the third hollow cavity in the third casing 50 is an open cavity, and the gas released by the disinfection rod 20 can be released into the air through the third hollow cavity to disinfect the air, so that the gas diffusion range is expanded, and the disinfection range of the disinfection rod 20 is expanded.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A pen sterilizer, comprising:

the air purifier comprises a first shell, a second shell and a third shell, wherein a first hollow cavity is arranged inside the first shell, a disinfection rod is arranged in the first hollow cavity, the disinfection rod can release air for disinfecting air, and an air hole communicated with the first hollow cavity is formed in the first shell;

the second casing, second casing one end can with the connection can be dismantled to first casing, cavity in the inside of second casing is equipped with the second, cavity is used for holding the antiseptic solution in the second, the second casing other end is equipped with the spraying structure, the water sucking mouth of spraying structure with cavity intercommunication in the second.

2. The pen-type sterilizer as claimed in claim 1, wherein a first connecting portion is provided at one end of the second housing close to the first housing, the first connecting portion can extend into the first hollow cavity, the first connecting portion can abut against the sterilizing rod, a first groove is provided on an outer peripheral surface of the first connecting portion, a first flange is provided on an inner wall of the first hollow cavity, and the second housing and the first housing are in fit clamping connection with the first flange through the first groove.

3. The pen-type sterilizer as claimed in claim 1, wherein the first housing includes an end cap and a body portion, the first hollow cavity is disposed inside the body portion, the vent is disposed on the end cap, a second connecting portion is disposed at an end of the end cap close to the body portion, the second connecting portion can extend into the body portion, the second connecting portion can abut against the sterilizing rod, a first protrusion is disposed on the second connecting portion, an L-shaped groove is disposed on an inner wall of the body portion, the L-shaped groove includes a vertical groove disposed along an axial direction and a transverse groove disposed perpendicular to the axial direction, the vertical groove communicates with the transverse groove, and the body portion and the end cap are in fit clamping connection with the L-shaped groove through the first protrusion.

4. The pen sterilizer of claim 1, wherein an end of the second housing remote from the first housing is provided with a cap which is removably attached to the first housing, the cap sealing the spray structure inside the cap.

5. The pen sterilizer of claim 1, wherein said spray structure comprises a suction tube, a push pump, a seal and a gland, the water suction port of the water suction pipe is communicated with the second hollow cavity, the water outlet of the water suction pipe is communicated with the water suction port of the pressing pump, the sealing part is sleeved outside the gland and the pressing pump, the gland can move along the axial direction of the pressing pump relative to the pressing pump and the sealing part, the gland can rotate relative to the pressing pump and the sealing part, the outer wall of one end of the sealing part close to the water suction pipe is abutted with the inner wall of the second shell, the outer wall of the sealing part is provided with a second bulge, the second bulge is abutted to the end face of the second shell, the gland is provided with a nozzle, and the nozzle is communicated with a water outlet of the pressing pump.

6. The pen sterilizer of claim 1, wherein a pen clip is provided on an outer wall of said first housing.

7. The pen sterilizer of claim 1, wherein said sterilization rod comprises a core and a body, said core comprising a first material and said body comprising a second material, said first material and said second material being capable of releasing gaseous chlorine dioxide when mixed.

8. The pen sterilizer of any one of claims 1 to 7, further comprising a third housing, wherein a third hollow chamber is provided inside the third housing, a pen core is provided in the third hollow chamber, the pen core comprises a pen core body and a pen tip, the pen core body is connected with the pen tip, one end of the third housing can be detachably connected with the first housing, and one end of the pen tip far away from the pen core body extends out from the other end of the third housing.

9. The pen-type sterilizer as claimed in claim 8, wherein a third connecting portion is provided at an end of the third housing for detachable connection with the first housing, the third connecting portion can extend into the first hollow cavity, the third connecting portion can abut against the sterilizing rod, a second groove is provided on an outer peripheral surface of the third connecting portion, a second flange is provided on an inner wall of the first hollow cavity, and the third housing and the first housing are in fit clamping connection with the second flange through the second groove.

10. The pen-type sterilizer as claimed in claim 8, wherein a third protrusion is provided on an inner wall of the third hollow cavity, the third protrusion can abut against an end surface of the pen core body away from the pen tip, the third housing comprises a holding portion and a pen tip portion, one end of the holding portion is detachably connected with the first housing, the other end of the holding portion is in threaded connection with the pen tip portion, the diameter of the pen tip is smaller than that of the pen core body, a fourth protrusion is provided on an inner wall of the pen tip portion, the fourth protrusion abuts against an end surface of the pen core body close to the pen tip, and the pen tip can protrude out from an end of the pen tip portion away from the holding portion.

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