CN117883619A - UVC deep ultraviolet sterilization stick - Google Patents

Abstract

The invention discloses a UVC deep ultraviolet sterilization rod, which particularly relates to the technical field of air sterilization equipment, and comprises a counterweight seat, a lamp holder, a UVC ultraviolet lamp body, a rotating arm and fan blades; and the driving part is arranged in the lamp holder and is used for synchronously driving the plurality of rotating arms to swing. Through the rotation of a plurality of rotating arms of drive division drive for a plurality of flabellums can follow the rotation fulcrum swing of rotating arm at the lamp stand, and then can disturb the air, make the air current get up, and then make the effective sterilization within range of ultraviolet light that the ultraviolet lamp body sent outside can get into effective sterilization within range along with the air flow, improved the sterilization efficiency of single ultraviolet lamp body, the piston moves up, make the slip ring drive doctor-bar upward movement, upward the removal in-process, the doctor-bar can be scraped down the dust or the foreign matter on ultraviolet lamp body surface of UVC, avoid influencing long-time use in-process and dredge the management, and lead to the ultraviolet light of ultraviolet lamp body of UVC to receive dust, the foreign matter to block, make the bactericidal effect decline.

Description

UVC deep ultraviolet sterilization stick

Technical Field

The invention relates to the technical field of air disinfection equipment, in particular to a UVC deep ultraviolet sterilization rod.

Background

Of the ultraviolet rays with various wavelengths, only short wave UVC ultraviolet rays have the sterilization and disinfection effects, belong to a pure physical disinfection method, and have the characteristics of broad spectrum, high efficiency, rapidness, thoroughness, no need of adding chemical agents, no drug resistance, no secondary pollution and the like. The UVC ultraviolet rays with the wavelength of 185nm can change oxygen O2 in the air into ozone O3, and the ozone has strong oxidation effect and can effectively kill bacteria. Ultraviolet sterilization principle: the molecular structure of DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) in the cells of the microorganism organism is destroyed by the irradiation of ultraviolet rays to the microorganisms such as bacteria, viruses and the like, so that the DNA chain is broken, the crosslinking of the nucleic acid and the protein is broken, the death of growing cells and the death of regenerative cells are caused, and the sterilization and disinfection effects are achieved.

The current UVC ultraviolet sterilization stick kills bacteria in the air through the ultraviolet light emitted by the UVC ultraviolet lamp, when sterilization is performed, the UVC ultraviolet sterilization stick is usually fixedly placed or installed, and because ultraviolet rays are often used for sterilization in a relatively airtight environment, when the UVC ultraviolet sterilization stick is used in the airtight environment, the air fluidity is poor, the ultraviolet effective sterilization range is limited, and then bacteria outside the ultraviolet effective sterilization range are not easy to enter the effective sterilization range, so that the sterilization range of a single UVC ultraviolet sterilization stick is to be improved.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the invention provides a UVC deep ultraviolet sterilization rod, which aims to solve the technical problems that: the effective sterilization range of the UVC ultraviolet sterilization rod in the prior art needs to be improved.

In order to achieve the above purpose, the present invention provides the following technical solutions: a UVC deep ultraviolet germicidal rod comprising:

the bottom of the lamp holder is provided with a counterweight seat, and the inside of the lamp holder is hollow;

the UVC ultraviolet lamp body is arranged at the top of the lamp holder;

the rotating arms are rotatably connected with the lamp holder, and fan blades are fixedly connected to one end, away from the lamp holder, of each rotating arm;

and the driving part is arranged in the lamp holder and is used for synchronously driving a plurality of rotating arms to swing.

Preferably, the driving part includes:

the hollowed-out ring frame is fixedly connected in the lamp holder;

the sliding rod vertically penetrates through the hollowed-out ring frame and can freely slide;

the floating column is fixedly connected to the upper end of the sliding rod, and a plurality of rack parts are arranged on the periphery of the floating column;

the gear is fixedly connected to the rotating arm and is coaxial with a rotating pivot of the rotating arm on the lamp holder, the gear corresponds to the rack part and is in an external meshing state, and the lamp holder is provided with a clearance groove for the gear to freely pass through;

the sliding plug is clamped in the lamp holder and can slide up and down freely, the sliding plug is positioned below the hollowed-out ring frame, and an installation space is defined between the lower end surface of the sliding plug and the top surface of the counterweight seat;

and the lifting unit is used for driving the sliding piston to reciprocate up and down.

Preferably, the lifting unit includes:

the electromagnet is positioned in the lamp holder and fixedly connected to the top surface of the counterweight seat, and the electromagnet is positioned below the sliding plug;

the magnetic conduction block is fixedly connected to the upper end face of the sliding piston and is matched with the electromagnet for use;

and the spring is sleeved on the sliding rod, and two ends of the spring in the elastic direction respectively elastically support against the sliding plug and the floating column.

Preferably, a sliding ring is movably sleeved on the UVC ultraviolet lamp body, a scraping blade is coaxially fixedly connected to the upper end face of the sliding ring, the scraping blade is sleeved on the UVC ultraviolet lamp body and can slide up and down freely, a scraping blade lifting part is arranged on the lamp holder, and the scraping blade lifting part is used for driving the scraping blade to slide upwards when the sliding plug moves downwards.

Preferably, the blade lifting part includes:

the mounting seat is fixedly connected to the outer wall of the lamp holder, the mounting seat is hollow, and the lamp holder is provided with a communication port communicated with the mounting space;

the piston is clamped in the mounting seat, the interior of the mounting seat is sequentially divided into a first communication cavity and a second communication cavity from top to bottom by the piston, and the second communication cavity is communicated with the communication port;

the push rod is coaxially connected with the piston, the upper end of the push rod penetrates out of the mounting seat and can slide up and down freely, the upper end of the push rod is fixedly connected with a connecting block, and the connecting block is fixedly connected with the sliding ring.

Preferably, the outer diameter of the scraping blade is gradually increased from top to bottom, the inner wall of the minimum inner diameter end of the scraping blade is in contact connection with the outer wall of the UVC ultraviolet lamp body, a plurality of fine grooves are formed in the periphery of the scraping blade, a driving sleeve is connected with a sliding ring, a conical groove matched with the scraping blade is coaxially formed in the driving sleeve, and a floating unit for driving the driving sleeve to vertically move is arranged on the sliding ring.

Preferably, the wiper blade wall thickness is no greater than 1.5mm.

Preferably, the floating unit includes:

a plurality of connecting rods vertically fixedly connected to the lower end surface of the driving sleeve and penetrating into the sliding ring in a sliding manner;

the sliding ring is internally provided with a sliding cavity which is used for clamping the sliding ring and can freely slide up and down, the sliding ring is provided with an air pipe, one end of the air pipe, which is far away from the sliding ring, is connected with the push rod, and the push rod is hollow;

the through groove is formed in the push rod and is communicated with the first communication cavity and the inside of the push rod, so that two ends of the air pipe are communicated with the sliding cavity and the first communication cavity respectively.

Preferably, a plurality of said slots are arranged in an axial array along said drive sleeve.

Preferably, the wiper blade is made of spring steel.

The invention has the technical effects and advantages that:

the driving part drives the rotating arms to rotate, so that the fan blades can swing along the rotating arms at the rotating pivot of the lamp holder, air can be disturbed, air can be circulated, bacteria outside the effective sterilization range of ultraviolet rays emitted by the UVC ultraviolet lamp body can enter the effective sterilization range along with the air flow, and the sterilization efficiency of the single UVC ultraviolet lamp body is improved;

the sliding plug moves downwards, so that the rack part on the floating column is meshed with the gear to rotate, the fan blade is driven to swing, meanwhile, the sliding plug can squeeze air in the installation space, the piston moves upwards, the sliding ring drives the scraping blade to move upwards, dust or foreign matters on the surface of the UVC ultraviolet lamp body can be scraped off by the scraping blade in the upward moving process, the influence on management in the long-time use process is avoided, ultraviolet rays of the UVC ultraviolet lamp body are blocked by the dust and the foreign matters, and the sterilizing effect is reduced;

in the process that the surface of the UVC ultraviolet lamp body moves upwards through the sliding ring, the piston extrudes air in the first communication cavity, so that the air enters the sliding cavity from the air pipe and pushes the floating ring to move downwards, the driving sleeve moves downwards, when the driving sleeve moves downwards, the inner wall of the conical groove on the driving sleeve extrudes the scraping blade, the scraping blade is in an elastic shrinkage state, the inner wall of the minimum outer diameter end of the scraping blade extrudes the surface of the UVC ultraviolet lamp body, and accordingly dust or foreign matters on the surface of the UVC ultraviolet lamp body can be scraped by the scraping blade, otherwise, when the sliding ring moves downwards, the driving sleeve moves upwards relative to the scraping blade, the scraping blade is in an elastic stretching state, and then the inner wall of the minimum outer diameter end of the scraping blade is separated from a contact state with the surface of the UVC ultraviolet lamp body, so that the dust scraped by the scraping blade can fall from a gap between the scraping blade and the surface of the UVC ultraviolet lamp body.

Drawings

FIG. 1 is a schematic diagram of a UVC deep ultraviolet sterilization rod;

FIG. 2 is a schematic side view of the structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of a portion of the structure of FIG. 1;

FIG. 4 is an enlarged schematic view of a partial structure at A in FIG. 3;

FIG. 5 is a schematic view of the assembled sliding ring, wiper blade and pushrod according to the present invention;

FIG. 6 is a schematic elevational view of the structure of FIG. 5;

FIG. 7 is a schematic view of the assembled drive sleeve, connecting rod and floating ring of the present invention;

FIG. 8 is a schematic view of the assembled drive sleeve, wiper and slip ring of the present invention;

fig. 9 is a schematic cross-sectional view of the structure of fig. 8.

The reference numerals are: the device comprises a 1-counterweight seat, a 2-lamp seat, a 3-gear, a 4-rotating arm, a 5-mounting seat, a 6-push rod, a 7-connecting block, 8-fan blades, 9-sliding rings, a 10-driving sleeve, an 11-UVC ultraviolet lamp body, a 12-rack part, a 13-floating column, a 14-spring, a 15-piston, a 16-mounting space, a 17-electromagnet, a 18-communication port, a 19-sliding plug, a 20-second communication cavity, a 21-hollowed ring frame, a 22-sliding rod, a 23-through groove, a 24-slot, a 25-scraping blade, a 26-floating ring, a 27-connecting rod, a 28-cone groove and a 29-sliding cavity.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1-9, the present invention provides: a UVC deep ultraviolet sterilization rod comprises a counterweight seat 1, a lamp holder 2 with a hollow inside is welded at the top of the counterweight seat 1, a UVC ultraviolet lamp body 11 is arranged at the top of the lamp holder 2, the UVC ultraviolet lamp body 11 is powered by a power module (such as a storage battery) arranged in the counterweight seat 1, thus the UVC ultraviolet lamp body 11 is conveniently placed in a relatively airtight space for ultraviolet sterilization, four hinge seats are welded on the outer wall of the lamp holder 2 in an array manner along the axial direction of the hinge seats, each hinge seat is respectively connected with a gear 3 in a rotating manner, a rotating arm 4 is welded on each gear 3, one end of the rotating arm 4 far away from the gear 3 is fixedly connected with an arc-shaped fan blade 8, a space avoidance groove for the gear 3 to freely pass through is formed in the lamp holder 2, a floating column 13 capable of moving up and down is movably connected in the lamp holder 2, four rack parts 12 are arranged on the periphery of the floating column 13, the four rack parts 12 are respectively meshed with the four gears 3, in this way, when the floating column 13 moves up and down, the gear 3 and the rack part 12 are meshed to rotate, the rotating arm 4 can be driven to swing, the fan blades 8 can be driven to swing up and down, the other four fan blades 8 swing synchronously, and therefore, when the floating column 13 moves up and down, the fan blades 8 can stir air, so that the air generates convection, the air outside the effective sterilization range of ultraviolet rays emitted by the UVC ultraviolet lamp body 11 and the air within the effective sterilization range generate convection, bacteria outside the effective sterilization range enter the effective sterilization range, thereby improving the sterilization effect of the single UVC ultraviolet lamp body 11, in addition, the lamp holder 2 is fixedly connected with a hollowed-out ring frame 21, a sliding rod 22 is coaxially arranged on the hollowed-out ring frame 21 in a penetrating way, the sliding rod 22 can slide up and down freely on the hollowed-out ring frame 21, in addition, the upper end of the sliding rod 22 is fixedly connected with the floating column 13 coaxially, the lower end of the sliding rod 22 is positioned below the hollowed-out ring frame 21 and is coaxially connected with a sliding plug 19, the sliding plug 19 is clamped in the lamp holder 2 and can slide up and down freely, an installation space 16 is enclosed between the lower end surface of the sliding plug 19 and the top surface of the counterweight seat 1, thus when the sliding plug 19 moves downwards, the sliding plug 19 can squeeze air in the installation space 16, the top surface of the counterweight seat 1 is welded or screwed with an electromagnet 17, the electromagnet 17 is positioned in the lamp holder 2, in addition, the electromagnet 17 is positioned below the sliding plug 19, the upper end surface of the sliding plug 19 is connected with a magnetic conduction block (made of any one of iron, cobalt and nickel), the magnetic conduction block is matched with the electromagnet 17 to enable the electromagnet 17 to generate magnetism in a electrifying mode, and further generate magnetic attraction to the magnetic conduction block, the magnetic block drives the sliding plug 19 to move downwards, in addition, the sliding rod 22 is sleeved with the spring 14, two ends of the spring 14 in the elastic direction elastically support the sliding plug 19 and the floating column 13 respectively, when the sliding plug 19 moves downwards, the sliding rod 22 is driven to move downwards, the floating column 13 is driven to move downwards, the rack part 12 and the gear 3 on the floating column 13 are meshed to rotate, the rotating arm 4 is driven to swing, the fan blade 8 swings towards the radial inner side of the lamp holder 2 to stir air, the air generates convection, meanwhile, the floating column 13 compresses the spring 14, the spring 14 stores elastic potential energy, when the electromagnet 17 loses magnetism after being powered off, the elastic potential energy of the spring 14 is released, the floating column 13 is driven to move upwards, the sliding plug 19 is driven to move upwards, the air in the upper space inside the lamp holder 2 overflows from the empty avoidance groove, in addition, the fan blade 8 is driven to swing reversely, the electromagnet 17 in this embodiment is powered by an external controller to control the on/off of the electromagnet, so that the electromagnet 17 can be intermittently powered.

In addition, a sliding ring 9 is movably sleeved on the UVC ultraviolet lamp body 11, a scraping blade 25 is coaxially and fixedly connected to the upper end surface of the sliding ring 9, the scraping blade 25 has a wall thickness not larger than 1.5mm, the outer diameter sequentially increases from top to bottom, the scraping blade 25 is sleeved on the UVC ultraviolet lamp body 11 and can freely slide up and down, the inner wall of the smallest inner diameter end of the scraping blade 25 is in contact connection with the outer wall of the UVC ultraviolet lamp body 11, a plurality of thin grooves 24 are formed in the periphery of the scraping blade 25, the sliding ring 9 is connected with a driving sleeve 10, conical grooves 28 matched with the scraping blade 25 are coaxially formed in the driving sleeve 10, a mounting seat 5 with a hollow inside is welded on two opposite sides of the outer wall of the lamp seat 2, a communication opening 18 communicated with the mounting space is formed in the lamp seat 2, a piston 15 capable of freely sliding up and down is clamped in the mounting seat 5, the piston 15 sequentially separates the interior of the mounting seat 5 into a first communication cavity, a second communication cavity 20 from top to bottom, the second communication cavity 20 is communicated with the communication opening 18, the piston 15 is coaxially connected with the push rod 6, the upper end of the push rod 6 penetrates out of the mounting seat 5 and can slide freely up and down, the upper end of the push rod 6 is fixedly connected with the connecting block 7, the connecting block 7 is fixedly connected on the sliding ring 9, the lower end face of the driving sleeve 10 is vertically welded with a plurality of connecting rods 27, the connecting rods 27 slide into the sliding ring 9, one ends of the connecting rods 27 penetrating into the sliding ring 9 are jointly connected with the floating ring 26, a sliding cavity 29 which is used for clamping the floating ring 26 and can slide freely up and down is coaxially arranged in the sliding ring 9, one end of the sliding ring 9, far away from the sliding ring 9, of the air pipe is connected with the push rod 6, the push rod 6 is hollow inside, a through groove 23 which is communicated with the push rod 6 inside is formed in the position of the push rod 6, and the through groove 23 is communicated with the first communication cavity and the push rod 6 inside, so that two ends of the air pipe are respectively communicated with the sliding cavity 29, when the first communication cavity is communicated, the air in the installation space 16 enters the second communication cavity 20 of the push rod 6 from the communication port 18 when the sliding plug 19 moves downwards and presses the air in the installation space 16, so that the air can press the piston 15, the piston 15 is driven to move upwards under the action of pneumatic thrust, the push rod 6 is driven to move upwards when moving upwards, the sliding ring 9 is driven to move upwards when the push rod 6 moves upwards, meanwhile, the piston 15 presses the air in the first communication cavity, the air enters the air pipe from the through groove 23 of the push rod 6 and then enters the push rod 6, then enters the sliding cavity 29 of the sliding ring 9 from the air pipe, the air pressure in the sliding cavity 29 is increased, the floating ring 26 is pushed to move downwards, the connecting rod 27 is driven to move downwards when the floating ring 26 moves downwards, the driving sleeve 10 moves downwards relative to the sliding ring 9, the inner wall of the conical groove 28 of the driving sleeve 10 is extruded on the periphery of the scraping blade 25, the scraping blade 25 is extruded by the inner wall of the conical groove 28, meanwhile, as the thin groove 24 is arranged on the scraping blade 25, when the scraping blade 25 is extruded, the scraping blade 25 is elastically contracted and deformed, the inner wall of the minimum outer diameter end of the scraping blade 25 is contacted with the surface of the ultraviolet lamp body 11, and a gap of the thin groove 24 is in a closed state, so that when the piston 15 moves upwards, the sliding ring 9 is driven to move upwards, the scraping blade 25 can be contracted, and then foreign matter dust adhered on the surface of the ultraviolet lamp body 11 is scraped off by the scraping blade 25 in the upward moving process of the sliding ring 9, then the power supply of the electromagnet 17 is disconnected by the external controller, after the electromagnet 17 is powered off and loses magnetism, the elastic potential energy of the spring 14 is released, and then the floating column 13 can be driven to move upwards, so that the sliding plug 19 is driven to move upwards, the air in the second communication cavity 20 is then re-entered into the installation space 16 through the communication port 18, the piston 15 drives the push rod 6 to move downwards, the air in the sliding cavity 29 is returned to the first communication cavity through the air pipe and the push rod 6, and can drive the driving sleeve 10 to move downwards, so that the extrusion force of the inner wall of the conical groove 28 borne by the scraping blade 25 disappears, the elastic shrinkage deformation of the scraping blade 25 is converted into the elastic expansion deformation, the notch of the thin groove 24 is enlarged, meanwhile, the outer diameter size of the minimum end of the outer diameter of the scraping blade 25 is enlarged, and further, the inner wall of the minimum end of the outer diameter of the scraping blade 25 and the surface of the UVC ultraviolet lamp body 11 are provided with gaps, so that scraped dust and foreign matters can fall down through the gaps, the phenomenon that the scraped dust and foreign matters are accumulated at the upper end of the scraping blade 25 and reattach to the surface of the UVC ultraviolet lamp body 11 is avoided, and in addition, the thin grooves 24 are axially arranged along the driving sleeve 10 (or the sliding ring 9) in an array, so that the elastic deformation of the scraping blade 25 tends to be formed by the elastic deformation of the steel material of each part of the thin groove 24, and the elastic deformation of the scraping blade 25 is good.

The working principle of the invention is as follows: the UVC ultraviolet lamp body 11 is placed in a relatively closed space for ultraviolet sterilization, then the power supply of the UVC ultraviolet lamp body 11 is started, ultraviolet rays are generated by the UVC ultraviolet lamp body 11, air can be sterilized, meanwhile, the external controller controls the electromagnet 17 to be powered on, so that magnetism is generated by electrifying the electromagnet 17, and then magnetic attraction can be generated on a magnetic conduction block, the magnetic conduction block drives the sliding plug 19 to move downwards, when the sliding plug 19 moves downwards, the sliding rod 22 is driven to move downwards, the floating column 13 is driven to move downwards, the rack part 12 and the gear 3 on the floating column 13 are meshed to rotate, the rotating arm 4 is driven to swing, the fan blade 8 swings towards the radial inner side direction of the lamp holder 2, air is stirred, convection is generated by air, when the sliding plug 19 moves downwards and extrudes the air in the installation space 16, the air in the installation space 16 enters the second communication cavity 20 of the push rod 6 through the communication port 18, the air can squeeze the piston 15, so that the piston 15 is upwards moved under the action of air pressure thrust, when upwards moved, the push rod 6 is driven to upwards move, when the push rod 6 upwards moves, the sliding ring 9 is driven to upwards move, meanwhile, the piston 15 squeezes the air in the first communication cavity, the air enters the air pipe from the through groove 23 of the push rod 6, then enters the sliding cavity 29 of the sliding ring 9 from the air pipe, the air pressure in the sliding cavity 29 is increased, the floating ring 26 is pushed to downwards move, the driving sleeve 10 moves downwards relative to the sliding ring 9, the inner wall of the conical groove 28 of the driving sleeve 10 squeezes the periphery of the scraping blade 25, the pressing force of the scraping blade 25 is applied to the inner wall of the conical groove 28, the scraping blade 25 generates elastic shrinkage deformation, and the inner wall of the minimum outer diameter end of the scraping blade 25 is contacted with the surface of the UVC ultraviolet lamp body 11, and the breach of slot 24 will be the closure state at this moment, the sliding ring 9 moves up the in-process, the doctor-bar 25 will scrape off UVC ultraviolet lamp body 11 surface adhesion's foreign matter dust, then outside controller disconnection electro-magnet 17, after the electro-magnet 17 outage loses magnetism, spring 14 elastic potential energy release, and then can drive floating post 13 and move upwards, so drive sliding plug 19 and move upwards, and then make the air in the second intercommunication chamber 20 reentrant installation space 16 by the intercommunication mouth 18, make piston 15 drive push rod 6 move downwards, the air in the sliding chamber 29 will flow back to the first intercommunication chamber by the trachea, push rod 6 is inside, the through groove 23, and can drive the drive sleeve 10 and move downwards, so the extrusion force of the conical groove 28 inner wall that doctor-bar 25 received disappears, doctor-bar 25 will become elastic deformation by elastic shrinkage, and the breach of slot 24 enlarges simultaneously, the external diameter size of doctor-bar 25 external diameter minimum end will become big, and then make the inner wall and the UVC ultraviolet lamp body 11 of doctor-bar's of external diameter minimum end have the clearance, in this way, the dust can be scraped down by the clearance.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.

Claims (10)

1. A UVC deep ultraviolet sterilization rod, comprising:

the lamp holder (2) is provided with a counterweight seat (1) at the bottom, and the lamp holder (2) is hollow;

the UVC ultraviolet lamp body (11) is arranged at the top of the lamp holder (2);

a plurality of rotating arms (4) rotatably connected to the lamp holder (2), wherein one end of each rotating arm (4) far away from the lamp holder (2) is fixedly connected with a fan blade (8);

and a driving part which is arranged in the lamp holder (2) and is used for synchronously driving a plurality of rotating arms (4) to swing.

2. The UVC deep ultraviolet sterilization bar of claim 1, wherein the driving portion comprises:

the hollowed-out ring frame (21) is fixedly connected in the lamp holder (2);

the sliding rod (22) vertically penetrates through the hollowed-out ring frame (21) and can freely slide;

a floating column (13) fixedly connected to the upper end of the sliding rod (22), wherein a plurality of rack parts (12) are arranged on the periphery of the floating column (13);

a gear (3) fixedly connected to the rotating arm (4) and coaxial with a rotating pivot of the rotating arm (4) on the lamp holder (2), wherein the gear (3) corresponds to the rack part (12) and is in an external engagement state, and the lamp holder (2) is provided with a clearance groove for the gear (3) to freely pass through;

the sliding plug (19) is clamped in the lamp holder (2) and can slide up and down freely, the sliding plug (19) is positioned below the hollowed-out ring frame (21), and an installation space (16) is formed between the lower end surface of the sliding plug (19) and the top surface of the counterweight seat (1);

and a lifting unit for driving the sliding plug (19) to reciprocate up and down.

3. The UVC deep ultraviolet sterilization bar of claim 2, wherein the elevation unit comprises:

an electromagnet (17) positioned in the lamp holder (2) and fixedly connected to the top surface of the counterweight seat (1), wherein the electromagnet (17) is positioned below the sliding plug (19);

the magnetic conduction block is fixedly connected to the upper end face of the sliding plug (19) and is matched with the electromagnet (17);

and the spring (14) is sleeved on the sliding rod (22), and two ends of the spring (14) in the elastic direction elastically abut against the sliding plug (19) and the floating column (13) respectively.

4. A UVC deep ultraviolet sterilizing rod according to claim 3, wherein the UVC ultraviolet lamp body (11) is movably sleeved with a sliding ring (9), the upper end surface of the sliding ring (9) is coaxially and fixedly connected with a wiper blade (25), the wiper blade (25) is sleeved on the UVC ultraviolet lamp body (11) and can slide freely up and down, the lamp holder (2) is provided with a wiper blade lifting part, and the wiper blade lifting part is used for driving the wiper blade (25) to slide upwards when the sliding plug (19) moves downwards.

5. The UVC deep ultraviolet sterilization bar of claim 4, wherein the blade elevating portion comprises:

the mounting seat (5) is fixedly connected to the outer wall of the lamp holder (2), the mounting seat (5) is hollow, and the lamp holder (2) is provided with a communication port (18) communicated with the mounting space;

the piston (15) is clamped in the mounting seat (5), the piston (15) sequentially separates the interior of the mounting seat (5) into a first communication cavity and a second communication cavity (20) from top to bottom, and the second communication cavity (20) is communicated with the communication port (18);

the push rod (6) is coaxially connected with the piston (15), the upper end of the push rod (6) penetrates out of the mounting seat (5) and can slide up and down freely, the upper end of the push rod (6) is fixedly connected with the connecting block (7), and the connecting block (7) is fixedly connected with the sliding ring (9).

6. The UVC deep ultraviolet sterilization bar according to claim 5, wherein the outer diameter of the scraping blade (25) is sequentially increased from top to bottom, the inner wall of the smallest inner diameter end of the scraping blade (25) is in contact connection with the outer wall of the UVC ultraviolet lamp body (11), a plurality of fine grooves (24) are formed in the periphery of the scraping blade (25), the sliding ring (9) is connected with a driving sleeve (10), a conical groove (28) matched with the scraping blade (25) is coaxially formed in the driving sleeve (10), and a floating unit for driving the driving sleeve (10) to vertically move is arranged on the sliding ring (9).

7. A UVC deep ultraviolet light sterilization bar according to claim 6, wherein the wiper blade (25) has a wall thickness of not more than 1.5mm.

8. The UVC deep ultraviolet light sterilization bar of claim 6, wherein the floating unit comprises:

a plurality of connecting rods (27) vertically fixedly connected to the lower end surface of the driving sleeve (10) and penetrating into the sliding ring (9) in a sliding manner;

a floating ring (26) connected with one end of the connecting rods (27) penetrating into the sliding ring (9), wherein a sliding cavity (29) which is used for clamping the floating ring (26) and can slide freely up and down is coaxially arranged in the sliding ring (9), an air pipe is arranged on the sliding ring (9), one end of the air pipe, which is far away from the sliding ring (9), is connected with the push rod (6), and the push rod (6) is hollow;

the through groove (23) is formed in the push rod (6), and the through groove (23) is communicated with the first communication cavity and the inside of the push rod (6), so that two ends of the air pipe are communicated with the sliding cavity (29) and the first communication cavity respectively.

9. A UVC deep ultraviolet light sterilization bar according to claim 7 wherein a plurality of said slots (24) are arranged in an axial array along said drive sleeve (10).

10. A UVC deep ultraviolet sterilizing rod according to claim 7, characterized in that said wiper blade (25) is made of spring steel material.