CN212369320U - Portable UV sterilization gun - Google Patents

Abstract

The utility model discloses a portable UV rifle that disinfects. The novel multifunctional electric gun comprises an electric control assembly, a UV lamp, a gun body handle with a light emitting port and a trigger switch embedded on the gun body handle, wherein a lamp body accommodating cavity is formed in the gun body handle, the UV lamp is installed in the lamp body accommodating cavity, a light reflecting sheet is arranged in the lamp body accommodating cavity, and a light protecting cover covers the light emitting port. The utility model adopts the gun body handle to form a holding type gun body structure which has a small and exquisite structure and can be carried and vertically operated, thereby effectively enhancing the comfort and flexibility of holding and operating the sterilization gun; the light emitted by the UV lamp is subjected to optical treatment such as reflection, refraction and the like by using the reflector, so that the light-emitting efficiency and the light utilization rate are effectively improved, and the sterilization effect of the germicidal lamp is enhanced; the light emitting port can be closed or opened by the light protecting cover, so that the harm of light emitted by the UV lamp to the skin or eyes of a human body due to accidental improper operation is avoided.

Description

Portable UV sterilization gun

Technical Field

The utility model belongs to the technical field of degassing unit technique that disinfects and specifically relates to a portable UV rifle that disinfects.

Background

With the improvement of living standard and health and safety awareness of people, sterilizing devices such as ultraviolet sterilizing lamps and ultraviolet sterilizing cabinets are used more and more frequently. However, due to the influence of design factors such as specification, performance and structure, the following problems generally exist in the practical use process of the conventional sterilization device: although the cabinet type or lamp body type sterilizing device with larger specification and volume has more remarkable sterilizing efficiency and effect, most sterilizing devices need to be placed in fixed places, and the use and the operation are very inconvenient; although the lamp body type sterilization device with smaller specification and volume has certain portability and is more flexible and convenient to use compared with the sterilization device, the sterilization effect is greatly reduced and the lamp body type sterilization device is inconvenient to hold and operate due to imperfect structural design; meanwhile, the existing portable sterilization device adopts a divergent irradiation mode, so that once the portable sterilization device is not operated properly, ultraviolet light can be easily irradiated on the skin or eyes of a human body, and great safety risk exists.

Therefore, it is necessary to provide an improvement to the existing portable sterilization apparatus to meet the actual use requirement by improving the practical performance thereof.

SUMMERY OF THE UTILITY MODEL

To the deficiencies of the prior art, an object of the utility model is to provide a portable UV sterilization gun.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portable UV sterilization gun comprises a gun body grip, an electric control component packaged in the gun body grip, a trigger switch embedded on the gun body grip and electrically connected with the electric control component, and a UV lamp electrically connected with the electric control component and controlled by the trigger switch, wherein one end of the gun body grip is provided with a lamp body accommodating cavity with a light emission port, the UV lamp is arranged in the lamp body accommodating cavity, a reflective sheet is arranged in the lamp body accommodating cavity, the UV lamp is positioned between the reflective sheet and the light emission port, and a light protection cover used for covering the light emission port is arranged on the gun body grip.

Preferably, the gun body grip is a cavity shell structure formed by relatively assembling two grip shells with mirror image structures, and comprises a seat cavity shell part distributed along the horizontal direction, a grip cavity shell part formed by longitudinally extending the middle part of the top side of the seat cavity shell part and a gun head cavity shell part formed by horizontally extending the top end of the grip cavity shell part forwards; the lamp body accommodating cavity is positioned in the gun head cavity shell, the trigger switch is embedded on the shell wall of the handle cavity shell and is positioned on the same side with the light emitting port, and the electric control assembly is distributed in the seat cavity shell and/or the handle cavity shell.

Preferably, the electronic control assembly comprises a control circuit board arranged in the handle cavity shell and an energy storage battery pack arranged in the seat cavity shell, and the energy storage battery pack, the UV lamp and the trigger switch are all electrically connected with the control circuit board.

Preferably, the light protection cover includes a louver board that covers the distribution of light emission mouth, the louver board is connected with the rifle body handle through a position lantern ring that distributes along the outline line of louver board and forms on the surface of louver board and makes the plug bush or makes the upset through a pivotal axis that sets up between louver board and light emission mouth and rifle body handle and be connected.

Preferably, the reflector is a cambered surface sheet structure, and the UV lamp is located on the concave side of the reflector.

Preferably, the UV lamp comprises an ultraviolet light emitting body located in the lamp body accommodating cavity and distributed side by side from front to back with the reflective sheet, a contact lead sleeve formed on one cavity wall of the lamp body accommodating cavity and located at the tail end side of the ultraviolet light emitting body, and a buffer sleeve formed on the other cavity wall of the lamp body accommodating cavity and located at the head end side of the ultraviolet light emitting body, wherein the head end and the tail end of the ultraviolet light emitting body are respectively inserted into the buffer sleeve and the contact lead sleeve.

Preferably, the ultraviolet light emitting body comprises a quartz tube cover with a closed end inserted in the buffer sleeve and an open end inserted in the contact lead sleeve, a sealing plug inserted in the open end of the quartz tube cover, an ultraviolet lamp tube coaxially arranged in the quartz tube cover and with a pin lead electrically connected with the electric control component through the contact lead sleeve, and a buffer pad arranged in the closed end of the quartz tube cover, wherein a buffer groove for accommodating the end of the ultraviolet lamp tube is formed on the surface of the buffer pad and on one side adjacent to the ultraviolet lamp tube.

Preferably, the ultraviolet lamp tube is a cold cathode ultraviolet lamp tube.

Preferably, a sealing surrounding wall distributed around the contact lead sleeve is further formed on the wall of the lamp body accommodating cavity, and an epoxy resin filling layer for coating the contact lead sleeve and the ultraviolet light emitting body together into a whole is filled in the sealing surrounding wall.

Preferably, the UV lamp comprises a PCB heat dissipation plate attached and fixed on the surface of the reflector and electrically connected to the electronic control assembly, and a plurality of UVC LED beads attached to the PCB heat dissipation plate.

By adopting the proposal, the utility model adopts the gun body handle to form a holding type gun body structure which has small and exquisite structure and can be carried and vertically operated, thereby effectively enhancing the comfort and the flexibility of holding and operating the sterilization gun; the light emitted by the UV lamp is subjected to optical treatment such as reflection, refraction and the like by using the reflector, so that the light-emitting efficiency and the light utilization rate are effectively improved, and the sterilization effect of the germicidal lamp is enhanced; the light ray emitting port can be closed or opened by using the light protection cover, so that the damage caused by the fact that light rays emitted by the UV lamp irradiate the skin or eyes of a human body due to accidental improper operation is avoided; the portable sterilization device has the advantages of simple and compact structure, comfortable and flexible carrying and operation, remarkable sterilization effect, and very high practical value and market popularization value.

Drawings

Fig. 1 is a schematic structural assembly diagram of a first embodiment of the present invention in an idle state;

fig. 2 is a schematic structural assembly view of the first embodiment of the present invention in a use state;

FIG. 3 is an exploded view of the first embodiment of the present invention;

fig. 4 is a schematic structural assembly view of a second embodiment of the present invention in a use state;

fig. 5 is an exploded view of a first embodiment of the UV lamp of the present invention;

fig. 6 is a schematic structural assembly view of a second embodiment of the UV lamp of the present invention;

fig. 7 is an exploded view of a second embodiment of the UV lamp of the present invention;

fig. 8 is a schematic plan view of a third embodiment of the UV lamp of the present invention;

fig. 9 is a circuit system reference design diagram (one) of the control circuit board according to the embodiment of the present invention;

fig. 10 is a circuit system reference design diagram (ii) of the control circuit board according to the embodiment of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 10, the present embodiment provides a portable UV sterilization gun, which includes:

a gun body grip 10, which is a structure similar to the gun handle, and can be held by a user and used for operating the whole sterilization gun, wherein one end of the cavity grip 10 is provided with a lamp body accommodating cavity 11 with a light emitting port (not marked in the figure);

the electric control component is packaged in the gun body grip 10 and mainly used as a power management and lamp body control carrier of the whole sterilization gun;

the trigger switch 20 is embedded on the gun body grip 10 and is electrically connected with the electric control component, and is mainly used as an execution component for opening and closing and/or adjusting signals of the sterilization gun, so that a user can control the sterilization gun;

the UV lamp 30 is electrically connected with the electric control component and controlled by the trigger switch 20 to achieve the purpose of sterilizing the surface of an object by emitting ultraviolet light, and the UV lamp 30 is arranged in the lamp body accommodating cavity 11;

the reflector 40 is arranged in the lamp body accommodating cavity 11 and is positioned at the opposite end of the light emitting opening (which can be understood as that the UV lamp 30 is positioned between the reflector 40 and the light emitting opening), and is mainly used for reflecting, refracting and the like the light emitted by the UV lamp 30 to enable the light to be emitted from the light emitting opening, so that the utilization rate of ultraviolet rays is improved, and the sterilization efficiency and the sterilization effect are improved;

and

the light protection cover 50 covers the light emitting opening, and mainly forms a protection effect by closing or opening the light emitting opening, so as to prevent light emitted by the UV lamp 30 from irradiating the skin or eyes of a human body due to accidental improper operation, thereby causing corresponding harm.

Therefore, aiming at the existing portable sterilization device, the gun body grip 10 is used as a main body component of the whole sterilization gun to form a holding type gun body structure, so that the sterilization device which is small in structure and can be carried in a portable and vertical mode is formed, the whole sterilization gun can be placed on personal articles such as bags and the like to be carried, and the comfort and the flexibility of holding and operating the sterilization gun are effectively enhanced; meanwhile, in view of the problem of low sterilization efficiency of the conventional portable sterilization device, the light emitted by the UV lamp 30 is subjected to optical treatment such as reflection and refraction by the reflector 40, so that the efficiency of emitting light from the light emitting port is effectively improved, and the sterilization effect of the sterilization lamp is enhanced to the maximum extent; in actual use, the light protecting cover 50 can be opened in advance, and then the UV lamp 30 is started by holding the gun body grip 10 and pulling the trigger switch 20, so that the surfaces of objects such as door handles, masks, clothes, tables and chairs, bowls and chopsticks, towels and the like can be sterilized and disinfected; after the operation is finished, the light emitting opening can be closed by the light protecting cover 50 to prevent the ultraviolet rays from irradiating the human body and causing damage to the human body due to the accidental triggering of the trigger switch 20.

In order to optimize the structure of the whole sterilization gun and improve the comfort and flexibility of holding and operation by enhancing the ergonomic design, the gun body grip 10 of the embodiment is a cavity shell structure formed by relatively assembling two grip shells 12 with mirror image structures, wherein the gun body grip 10 comprises a seat body cavity shell part a distributed along the horizontal direction, a grip cavity shell part b formed by longitudinally extending the middle part of the top side of the seat body cavity shell part a and a gun head cavity shell part c formed by horizontally extending the top end of the grip cavity shell part b forward by dividing the area of the gun body grip 10; the lamp body accommodating cavity 11 is positioned in the gun head cavity shell part c, the trigger switch 20 is embedded on the shell wall of the grip cavity shell part b and is positioned at the same side with the light emitting port, and the electric control component is distributed in the seat cavity shell part a and/or the grip cavity shell part b. Therefore, the outer shape and structure of the whole sterilization gun are formed into a structure similar to a gun handle, and a user can stably hold the whole sterilization gun and push the trigger switch 20 by fingers only by holding the grip cavity shell part b.

In order to enhance the portability and flexibility of the sterilization gun, especially to make it not limited by the power source, the electric control assembly of the present embodiment includes a control circuit board 70 installed in the grip cavity housing part b and an energy storage battery pack 60 installed in the seat cavity housing part a; the energy storage battery pack 60, the UV lamp 30 and the trigger switch 20 are electrically connected to the control circuit board 70, and the energy storage battery pack 60 is located at the bottom end of the gun handle 10. Therefore, the whole sterilization gun can have the performance of a self-contained power supply through the arranged energy storage battery pack 60, so that the sterilization gun can be used anytime and anywhere; meanwhile, the energy storage battery pack 60 and the control circuit board 70 are disposed at the bottom end side of the gun body handle 10, so that the weight of the gun body can be used to increase the load of the whole sterilization gun, and the center of gravity of the gun body can be changed, which not only facilitates the sterilization gun to be stably placed on a carrying surface such as a table top in a vertical manner, but also facilitates the user to hold and operate. The energy storage battery pack 60 of this embodiment may adopt at least one lithium battery or one lithium battery according to actual conditions, and the specific circuit structure of the control circuit board 70 may be specifically selected and set with reference to the circuit structure that plays a control role in the existing sterilization apparatus for the power source and the lamp body, or may be designed with reference to fig. 9, that is: the charging circuit c is used for providing a guarantee that the energy storage battery pack 60 is not charged, the boosting circuit d is used for boosting the direct current output by the energy storage battery pack 60, and then the high-frequency oscillation circuit b is used for generating a high-frequency oscillation effect, so that stable working current is provided for the UV lamp 30 (note that specific electronic components can be selected routinely by a person skilled in the art according to actual needs, and are not described herein in detail). In addition, an external ac power source may be used according to actual conditions, and the control circuit board 70 may be designed with reference to the system circuit structure shown in fig. 10 (i.e., mainly composed of a rectifier filter module a that may convert ac power into pulsed dc power and a high frequency oscillation module b that may be composed of a high frequency transformer and its peripheral components and may generate a high frequency oscillation signal to provide a stable operating current to the UV lamp 30).

As a preferable scheme, in order to adjust the luminous power of the UV lamp 30 at a proper time so as to adjust the sterilization efficiency for different articles to be sterilized, the trigger switch 20 of the present embodiment is preferably a multi-stage switch (at this time, the circuit structure of the control circuit board (70) may be adaptively selected according to the type of the trigger switch 20), so that the on/off and the luminous power of the UV lamp 30 are adjusted and controlled by the operations such as long pressing and short touching of the trigger switch 20.

In order to optimize the structure of the light protection cover 50 and enhance the opening, closing and opening structural effects, the light protection cover 50 of the present embodiment includes a louver board 51 covering the light emitting opening for distribution, so that the louver board 51 has inclined hollow holes, when the trigger switch 20 is accidentally triggered, the ultraviolet light will not be directly emitted to the human body, thereby enhancing the safety of carrying, using and operating the germicidal gun; the specific installation manner of the louver boards 51 can be selected according to the actual situation, and preferably, the louver boards 51 of the present embodiment adopt the following two manners:

1. as shown in fig. 1 to 3, the louver plates 51 are inserted and connected to the gun body grip 10 (specifically, the gun head chamber housing c) by a positioning collar 52 formed on the surface of the louver plates 51 and distributed along the contour of the louver plates 51; thus, when the UV sterilization gun is used, the light protection cover 50 may be removed in advance to open the light emission port.

2. As shown in FIG. 4, the louver plates 51 may also be connected to the gun body grip 10 via a pivot shaft 53 disposed between the louver plates 51 and the light emission ports (in this case, it is preferable to provide a positioning buckle 54 on the outer wall of the gun body grip 10 for engaging with the louver plates 51). Therefore, after the louver boards 51 are opened, the louver boards 51 can be fixed by the positioning buckles 54 to keep the light protection cover 50 in the open state, and the pivot shaft 53 can adopt accessories such as damping shafts according to actual conditions to ensure the structural stability of the louver boards 51 in the closed state. Of course, the light protection cover 50 of the present embodiment can also be fixed in the opened or closed state by magnetic attraction.

In order to enhance the optical treatment effect of the reflector 40 on the light emitted from the UV lamp 30, the reflector 40 of the present embodiment is preferably a cambered plate-shaped structure, and the UV lamp 30 is located on the concave side of the reflector 40. Therefore, the light can be sufficiently reflected, refracted and the like, so that the light can be emitted from the light emitting port efficiently and at a high utilization rate, and the sterilization efficiency and effect are enhanced.

For the structure of furthest optimizing whole bactericidal lamp, promote its practicality, the UV lamps and lanterns 30 of this embodiment can adopt different structural style according to actual conditions, specifically do:

example 1

As shown in fig. 5, the UV lamp 30 includes an ultraviolet light emitting body located in the lamp body accommodating cavity 11 and distributed in parallel with the reflective sheet 40 from front to back, a contact lead sleeve 31 formed on one cavity wall of the lamp body accommodating cavity 11 and located at the tail end side of the ultraviolet light emitting body, and a buffer sleeve 32 formed on the other cavity wall of the lamp body accommodating cavity 11 and located at the head end side of the ultraviolet light emitting body, wherein the head end and the tail end of the ultraviolet light emitting body are respectively inserted into the buffer sleeve 32 and the contact lead sleeve 31. Therefore, the contact lead sleeve 31 and the buffer sleeve 32 can be used for supporting two ends of the ultraviolet luminous body so as to ensure that the ultraviolet luminous body can be stably assembled in the lamp body accommodating cavity 11; meanwhile, the contact lead sleeve 31 can also provide a relatively closed placing space for the terminal pin lead end of the ultraviolet light emitting body, so that the wiring between the electric control component and the ultraviolet light emitting body is convenient.

In embodiment 1, as a preferable scheme, the ultraviolet light emitting body includes a quartz tube cover 33 having a closed end inserted and sleeved in the buffer sleeve 32 and an open end inserted and sleeved in the contact lead sleeve 31, a sealing plug 34 inserted and sleeved in the open end of the quartz tube cover 33, an ultraviolet lamp tube 35 coaxially arranged in the quartz tube cover 33 and having a terminal pin lead electrically connected to the electronic control component via the contact lead sleeve 31, and a buffer pad 36 arranged in the closed end of the quartz tube cover 33, wherein a buffer groove 37 for accommodating an end of the ultraviolet lamp tube 35 is formed on a surface of the buffer pad 36 and on a side adjacent to the ultraviolet lamp tube 35. Based on this, the quartz tube cover 33 can be used as a peripheral protection component of the ultraviolet light emitting body, the ultraviolet light tube 35 can be stabilized in the quartz tube cover 33 by utilizing the matching of the cushion pad 36 and the sealing plug 34, so as to form a buffer damping effect, prevent the damage of the light emitting body caused by the influence of factors such as collision, shaking and the like during the carrying or using process of the sterilization gun, and lead pins of the ultraviolet light tube 35 can be led into the contact lead sleeve 35 through the sealing plug 35, thereby ensuring that the connection point of an electric connection wire between the ultraviolet light emitting body and the electric control component is positioned in the contact lead sleeve 35. In addition, in practical implementation, the buffer groove 37 may be disposed in a spherical groove shape to facilitate fitting with the end of the ultraviolet lamp 35.

In order to enhance portability and flexibility of the sterilizer using a dc power source, and achieve energy saving and environmental protection effects, in embodiment 1, the ultraviolet lamp 35 is preferably a cold cathode ultraviolet lamp. Because the current of the cold cathode electrode is small, and direct current can be used, the cold cathode electrode can obtain more remarkable energy-saving effect than the hot cathode electrode under the condition of the same sterilization effect.

In order to enhance the structural sealing effect of the UV lamp 30 and achieve the purpose of waterproof and dustproof, a sealing surrounding wall 38 is further formed on the wall of the lamp body accommodating cavity 11 in embodiment 1 and distributed around the contact lead sleeve 31, and an epoxy resin filling layer (not shown in the figure) for coating the contact lead sleeve 31 and the ultraviolet light emitting body together is filled in the sealing surrounding wall 38. Therefore, after the assembly of the main body part of the UV lamp 30 and the welding of the connecting wires are completed, epoxy resin can be poured into the space formed by the sealing surrounding walls 38 and then cured to form an epoxy resin filling layer, the epoxy resin filling layer can be used for plugging structural gaps between related components so as to achieve the sealing effects of water resistance, dust resistance and the like, and the whole lamp and the gun body grip 10 can be connected into a whole.

Example 2

As shown in fig. 6 and 7, the UV lamp 30 includes a positioning cavity plate 30-1 having an L-like shape and a short arm portion disposed on one of the walls of the lamp body accommodating cavity 11, an ultraviolet light emitter disposed parallel to the long arm portion of the positioning cavity plate 30-1 and having a port inserted into the short arm portion of the positioning cavity plate 30-1, and a plurality of positioning clamp arms 30-2 formed on the short arm portion of the positioning cavity plate 3 and distributed around the ultraviolet light emitter to clamp the ultraviolet light emitter; the ultraviolet light emitters can be selectively arranged according to embodiment 1, and the reflective sheet 40 is located between the ultraviolet light emitters and the long arm of the positioning cavity plate 30-1. Therefore, the positioning cavity plate 30-1 can be used as a main body component of the UV lamp 30 and an assembly structure supporting carrier of the reflector 40 in the lamp body accommodating cavity 11, and the quartz tube cover 33 is firmly clamped on the positioning cavity plate 30-1 by the positioning clamping arm 30-2, so that the sterilization gun is prevented from being damaged due to shaking and collision of the lamp in the carrying process.

Of course, it is preferable that an epoxy resin filling layer (not shown) is formed in the short arm portion of the positioning cavity plate 30-1 after the epoxy resin is poured. The epoxy resin filling layer can be used for plugging structural gaps among related parts so as to achieve the waterproof sealing effect, and the whole lamp can be connected with the positioning cavity plate 30-1 to form an integral structure.

Example 3

As shown in fig. 8, the UV lamp 30 may also adopt UVC LED patch lamps, namely: the LED lamp comprises a PCB heat dissipation plate 39 which is attached and fixed on the surface of the reflector 40 and is electrically connected with the electric control assembly, and a plurality of UVC LED lamp beads 39-1 which are attached to the PCB heat dissipation plate 39.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (10)

1. A portable UV sterilization gun is characterized in that: the novel multifunctional electric torch comprises a torch body grip (10), an electric control assembly packaged in the torch body grip (10), a trigger switch (20) embedded on the torch body grip (10) and electrically connected with the electric control assembly, and a UV lamp (30) electrically connected with the electric control assembly and controlled by the trigger switch (20), wherein a lamp body accommodating cavity (11) with a light emission port is formed in one end of the torch body grip (10), the UV lamp (30) is installed in the lamp body accommodating cavity (11), a reflective sheet (40) is arranged in the lamp body accommodating cavity (11), the UV lamp (30) is located between the reflective sheet (40) and the light emission port, and a light protective cover (50) used for covering the light emission port is installed on the torch body grip (10).

2. The portable UV germicidal gun as claimed in claim 1, wherein: the gun body grip (10) is a cavity shell structure formed by oppositely assembling two grip shells (12) with mirror image structures, and the gun body grip (10) comprises a seat cavity shell part (a) distributed along the horizontal direction, a grip cavity shell part (b) formed by longitudinally extending the middle part of the top side of the seat cavity shell part (a) and a gun head cavity shell part (c) formed by horizontally extending the top end of the grip cavity shell part (b) forwards; the lamp body accommodating cavity (11) is positioned in the gun head cavity shell part (c), the trigger switch (20) is embedded on the shell wall of the grip cavity shell part (b) and is positioned at the same side with the light emitting port, and the electric control assembly is distributed in the seat cavity shell part (a) and/or the grip cavity shell part (b).

3. The portable UV germicidal gun as claimed in claim 2, wherein: the electric control assembly comprises a control circuit board (70) arranged in the handle cavity shell part (b) and an energy storage battery pack (60) arranged in the seat cavity shell part (a), and the energy storage battery pack (60), the UV lamp (30) and the trigger switch (20) are electrically connected with the control circuit board (70).

4. The portable UV germicidal gun as claimed in claim 1, wherein: light protective cover (50) include one cover in light give off a tripe grid plate (51) that mouthful distributes, tripe grid plate (51) distribute and form in the profile line of tripe grid plate (51) on the surface location lantern ring (52) and rifle body handle (10) through one and make the plug bush be connected or make the upset through a pivotal axis (53) that sets up between tripe grid plate (51) and light give off the mouth and be connected with rifle body handle (10).

5. The portable UV germicidal gun as claimed in claim 1, wherein: the reflector (40) is an arc-surface sheet-shaped structure, and the UV lamp (30) is positioned on the concave side of the reflector (40).

6. The portable UV germicidal gun as claimed in any one of claims 1-5, wherein: the UV lamp (30) comprises an ultraviolet light emitting body, a contact lead sleeve (31) and a buffer sleeve (32), wherein the ultraviolet light emitting body is positioned in the lamp body accommodating cavity (11) and is distributed with the reflective sheet (40) side by side from front to back, the contact lead sleeve (31) is formed on one cavity wall of the lamp body accommodating cavity (11) and is positioned at the tail end side of the ultraviolet light emitting body, the buffer sleeve (32) is formed on the other cavity wall of the lamp body accommodating cavity (11) and is positioned at the head end side of the ultraviolet light emitting body, and the head end and the tail end of the ultraviolet light emitting body are respectively inserted into the buffer sleeve (32) and the contact lead.

7. The portable UV germicidal gun as claimed in claim 6, wherein: the ultraviolet light emitter comprises a quartz tube cover (33) with a closed end inserted in a buffer sleeve (32) and an open end inserted in a contact lead sleeve (31), a sealing plug (34) inserted in the open end of the quartz tube cover (33), an ultraviolet lamp tube (35) coaxially arranged in the quartz tube cover (33) and electrically connected with an electric control component through the contact lead sleeve (31) and a cushion pad (36) arranged in the closed end of the quartz tube cover (33), wherein a buffer groove (37) used for accommodating the end part of the ultraviolet lamp tube (35) is formed in the surface of the cushion pad (36) and one side adjacent to the ultraviolet lamp tube (35).

8. The portable UV germicidal gun as claimed in claim 7, wherein: the ultraviolet lamp tube (35) is a cold cathode ultraviolet lamp tube.

9. The portable UV germicidal gun as claimed in claim 6, wherein: and a sealing surrounding wall (38) distributed around the contact lead sleeve (31) is further formed on the wall of the lamp body accommodating cavity (11), and an epoxy resin filling layer for coating the contact lead sleeve (31) and the ultraviolet light emitting body together into a whole is filled in the sealing surrounding wall (38).

10. The portable UV germicidal gun as claimed in any one of claims 1-5, wherein: the UV lamp (30) comprises a PCB heat dissipation plate (39) which is attached to and fixed on the surface of the reflector (40) and is electrically connected with the electric control assembly, and a plurality of UVC LED lamp beads (39-1) attached to the PCB heat dissipation plate (39).

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