CN112972732A

CN112972732A - Self-disinfection epidemic prevention external device adaptable to various fingerprint heads

Info

Publication number: CN112972732A
Application number: CN202110297124.0A
Authority: CN
Inventors: 王文可
Original assignee: Yiwu Junji Trading Co ltd
Current assignee: Yiwu Junji Trading Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-06-18

Abstract

The invention discloses a self-disinfection and epidemic prevention external device suitable for various types of fingerprint heads, which comprises a fixed block, the fixing block comprises different fingerprint head adapting mechanisms and fingerprint head sterilizing mechanisms, the invention can sterilize the fingerprint head in time after the fingerprint lock is used every time, and the fingerprint lock is sterilized once after being contacted, thereby reducing the possibility of indirect contact infection of infectious disease virus, the equipment can be directly arranged on the fingerprint lock without additionally replacing the fingerprint lock, is convenient and rapid, can adjust the fingerprint heads suitable for various installation modes, and moreover, disinfectant can be added and replaced regularly, long-term work can be guaranteed, certain infectious disease viruses which can be transmitted through contact can be effectively prevented, the disinfection work is perfected, and the problem that people forget to wash hands after the fingerprint lock is used so as to be infected with bacteria and viruses on the finger of a user is solved.

Description

Self-disinfection epidemic prevention external device adaptable to various fingerprint heads

Technical Field

The invention relates to the field of medical disinfection, in particular to a self-disinfection epidemic prevention external device suitable for various types of fingerprint heads.

Background

In the epidemic period of infectious diseases, people need to regularly disinfect public goods such as an elevator button door handle which are frequently contacted, so that the possibility of indirect contact infection is reduced, but with the wide application of a fingerprint lock, people can neglect disinfection of a key part fingerprint head on the fingerprint lock, for fingerprint lock use places with more people such as companies and the like, the flow of people contacted with the fingerprint head is not inferior to that of the conventional public goods such as a door handle elevator button and the like, most importantly, after people use the fingerprint lock, the sharing property of the fingerprint lock can be neglected, hands can not be washed basically, bacteria or viruses of a user before can be remained on the used finger, so that the possibility of virus infection is improved, and the disinfection of the fingerprint head is also crucial.

Disclosure of Invention

The invention aims to provide a self-disinfection and epidemic-prevention external device which is suitable for various types of fingerprint heads, and can overcome the defects in the prior art, so that the practicability of equipment is improved.

In preferred embodiment, including the fixed block, including different first adaptation mechanisms of fingerprint and first disinfection mechanism of fingerprint on the fixed block, install on the fixed block and rotate the shell, it can to rotate the shell on the fixed block, is located rotate the shell opposite side install the viscidity rubber cushion through the rubber column connection on the fixed block, viscidity material has on the another side of viscidity rubber cushion, is located the fixed block is opposite install the change lid on rotating the shell, change the lid with rotate and connect through elastic buckle between the shell, elastic buckle has certain elasticity, presses down elastic buckle can with it extracts to change the lid.

In a preferred embodiment, the rotating shell is provided with a positioning bolt, the positioning bolt is in threaded fit with the rotating shell, and when the positioning bolt is screwed down, the positioning bolt can clamp the fixed block so as to fix the rotating position of the rotating shell on the fixed block, so that the rotating shell is suitable for different fingerprint heads.

In a preferred embodiment, a disinfection groove is formed in the rotating shell, a power rotating shaft is rotatably arranged on the rotating shell on one side of the disinfection groove, a motor is mounted on the power rotating shaft, a disinfection arm is mounted on the power rotating shaft, the power rotating shaft can drive the disinfection arm to rotate, a wall-fixed bevel gear is mounted on the power rotating shaft and can rotate on the power rotating shaft, the left end of the wall-fixed bevel gear is fixed on the rotating shell, a hinge block fixing shaft is mounted at the right end of the disinfection arm and is fixed on the disinfection arm, a hinge block is mounted on the hinge block fixing shaft and can rotate on the hinge block fixing shaft, a bevel gear shaft mechanism is mounted on the hinge block and the wall-fixed bevel gear support, when the disinfection arm rotates, the bevel gear rolls on the wall fixed bevel gear to drive the hinged block to rotate, a shaft fixed bevel gear is mounted on the hinged block fixing shaft in the hinged block, the shaft fixed bevel gear is fixed on the hinged block fixing shaft, an arm fixing shaft is mounted on the hinged block, the arm fixing shaft is fixed on the hinged block, a hinged block is mounted on the hinged block and can rotate on the arm fixing shaft, a torsion spring capable of enabling the hinged block to rotate anticlockwise is mounted between the hinged block and the arm fixing shaft, a rotating bevel gear is mounted on the arm fixing shaft and can rotate on the arm fixing shaft, a bevel gear shaft mechanism is mounted between the rotating bevel gear and the shaft fixed bevel gear, and when the hinged block rotates, the bevel gear rolls on the shaft fixed bevel gear, thereby drive it is in to rotate bevel gear rotate on the arm fixed axle, articulated piece is installed and is extended to slide bar in the disinfection inslot, processing has the rack on the slide bar, install in the articulated piece and stretch out the pivot, stretch out and install in the pivot and stretch out the gear, it can drive to stretch out the pivot rotation stretch out gear revolve, stretch out the pivot with rotate and install bevel gear axle mechanism between the bevel gear, work as can drive when rotating bevel gear revolve and stretch out the pivot and rotate, it rotates the drive to stretch out the gear revolve, it will to stretch out gear revolve to stretch out the rack the slide bar outwards stretches out, install the disinfection on the slide bar and clean the head.

In a preferred embodiment, a disinfectant supplying and recovering box is mounted on the rotating housing, the disinfectant supplying and recovering box can be detachably mounted on the rotating housing, a partition plate is mounted in the disinfectant supplying and recovering box, the partition plate divides the disinfectant supplying and recovering box into two cavities, namely a disinfectant supplying cavity and a waste disinfectant recovering cavity, wherein the disinfectant supplying cavity is connected with the disinfecting tank through a pipeline.

In preferred embodiment, antiseptic solution is supplied with and is retrieved and install the piston pipeline on the box, install the piston in the piston pipeline, the piston with install return spring between the piston pipeline, return spring is in tension state, the piston can slide in the piston pipeline, the piston top with disinfection arm butt, when disinfection arm anticlockwise rotation, the piston pipeline is in upwards slide under return spring's the effect, when disinfection arm clockwise turning, disinfection arm overcomes return spring will the piston pushes down, under initial condition, processing has the pressure release hole on the piston pipeline, works as the piston removes can follow when the pressure release hole upper end the pressure release hole is ventilated.

In a preferred embodiment, the lower end of the piston pipeline is divided into two cavities, the two cavities are respectively communicated with the disinfectant supplying and recovering box, one-way valves are installed at the communication ports of the two cavities, the one-way valves only allow gas and liquid in the piston pipeline to flow into the disinfectant supplying and recovering box, when the piston moves upwards, the one-way valves do not work, and when the piston moves downwards, the liquid and the gas can be respectively pressed into the two cavities of the disinfectant supplying and recovering box.

In a preferred embodiment, a one-way pipeline communicated with the disinfection tank is installed in front of the one-way valve of the inlet pipeline of the waste disinfectant recovery cavity, the one-way pipeline only allows liquid to flow into the piston pipeline from the disinfection tank, when the piston moves upwards, the one-way pipeline starts to work, waste disinfectant in the disinfection tank is sucked into the pipeline of the piston pipeline and introduced into the disinfectant recovery cavity, and then the piston presses the waste disinfectant into the disinfectant recovery cavity through the one-way valve in the pipeline for downwardly introducing the waste disinfectant into the disinfectant recovery cavity from the piston pipeline.

In a preferred embodiment, a cover rotating shaft is installed on the rotating shell and can rotate on the rotating shell, a dustproof cover is installed on the cover rotating shaft, the cover rotating shaft can drive the dustproof cover to rotate, and when the sliding rod extends out of the rotating shell, the dustproof cover can be jacked open.

In a preferred embodiment, the device is adhered to a panel on the lower side of the fingerprint head through the adhesive rubber soft pad, the position of the rotating shell on the fixed block is rotated to adapt to the fingerprint heads in different positions, and then the rotating shell is fixed through the positioning bolt, and disinfectant is added into a disinfectant cavity of the disinfectant supply and recovery box.

In a preferred embodiment, after each use of the fingerprint head, the power rotating shaft starts to rotate, so that the disinfection arm rotates, the disinfection arm rotates to drive the threatened hinge block to rotate and extend out of the rotating shell through the wall-fixed bevel gear and the bevel gear shaft mechanism, the hinge block rotates to drive the rotating bevel gear to rotate on the arm fixed shaft through the shaft-fixed bevel gear and the bevel gear shaft mechanism, the rotating bevel gear rotates to drive the extending rotating shaft to rotate through the bevel gear shaft mechanism, the extending rotating shaft rotates to drive the extending gear to rotate, the extending gear rotates to drive the sliding rod to drive the disinfection wiping head to extend out of the dustproof cover through the rack until the disinfection wiping head abuts against the fingerprint head, then the operation is continued, and after the disinfection wiping head abuts against the disinfection wiping head, the hinge block rotates around the arm fixed shaft, and the sterilizing wiping head wipes and sterilizes the fingerprint head upwards.

In a preferred embodiment, at the same time, the piston moves upwards under the action of the return spring, the one-way valve does not work at the moment, the one-way pipeline works to suck disinfectant before the disinfectant in the disinfectant tank into the pipeline of the disinfectant recovery cavity, and then the piston continues to ventilate upwards through the pressure relief hole.

In a preferred embodiment, after the disinfection, the disinfection arm returns, the piston is pressed downwards to press the waste disinfectant into the disinfectant recovery cavity, the gas is pressed into the disinfectant cavity, and the pressure in the disinfectant cavity is increased to press the clean disinfectant into the disinfection tank to clean the disinfection wiping head.

In a preferred embodiment, new sterilizing fluid can be added to the 16 at intervals while the spent sterilizing fluid is drained.

The invention has the beneficial effects that: the fingerprint lock can sterilize the fingerprint head in time after the fingerprint lock is used every time, the fingerprint head is sterilized once after being contacted, the possibility of indirect contact infection of infectious disease viruses is reduced, the fingerprint lock does not need to be additionally replaced, the fingerprint lock can be directly additionally arranged on the fingerprint lock, the fingerprint lock is convenient and quick, the fingerprint head suitable for various installation modes can be adjusted, and the sterilizing water can be periodically added and replaced, so that the long-term work can be ensured, some infectious disease viruses which can be transmitted through contact can be effectively prevented, the sterilization work is perfected, and the problem that people forget to wash hands after the fingerprint lock is used so as to be infected with bacteria and viruses on the finger of a user is solved.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of a self-disinfecting and anti-epidemic external device adaptable to multiple types of fingerprint heads according to the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is a schematic diagram of the structure B-B in fig. 2.

Fig. 4 is an enlarged schematic view of C in fig. 1.

Fig. 5 is a schematic diagram of the structure of D-D in fig. 1.

Fig. 6 is a schematic view of another installation.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Combine attached figure 1-6 the external device of a self-sterilizer epidemic prevention of adaptable multiclass fingerprint head, including fixed block 10, including first adaptation mechanism of different fingerprints and fingerprint head disinfection mechanism on the fixed block 10, install on the fixed block 10 and rotate shell 11, it can to rotate shell 11 rotate on the fixed block 10, is located rotate shell 11 opposite side install the viscidity rubber cushion 19 through the rubber column connection on the fixed block 10, viscidity material has on the another side of viscidity rubber cushion 19, be located the fixed block 10 is opposite install on the rotation shell 11 and change lid 14, change lid 14 with rotate and connect through elasticity buckle 15 between the shell 11, elasticity buckle 15 has certain elasticity, press down elasticity buckle 15 can with change lid 14 extracts.

Install positioning bolt 18 on the rotation shell 11, positioning bolt 18 with the rotation shell 11 passes through screw-thread fit, and when screwing up positioning bolt 18, positioning bolt 18 can block thereby the fixed block 10 is fixed the rotation shell 11 is in pivoted position on the fixed block 10 to the different fingerprint heads of adaptation.

The disinfection device is characterized in that a disinfection groove 33 is processed on the rotating shell 11, a power rotating shaft 31 is arranged on the rotating shell 11 and is positioned on one side of the disinfection groove 33 in a rotating mode, a motor is installed on the power rotating shaft 31, a disinfection arm 30 is installed on the power rotating shaft 31, the power rotating shaft 31 can drive the disinfection arm 30 to rotate, a wall fixing bevel gear 32 is installed on the power rotating shaft 31, the wall fixing bevel gear 32 can rotate on the power rotating shaft 31, the left end of the wall fixing bevel gear 32 is fixed on the rotating shell 11, a hinged block fixing shaft 28 is installed at the right end of the disinfection arm 30, the hinged block fixing shaft 28 is fixed on the disinfection arm 30, a hinged block 25 is installed on the hinged block fixing shaft 28, the hinged block 25 can rotate on the hinged block fixing shaft 28, and a bevel gear shaft mechanism is installed on a support of the wall fixing bevel gear 32, when the sterilizing arm 30 rotates, the bevel gear rolls on the wall-fixed bevel gear 32 to rotate, so as to drive the hinged block 25 to rotate, a shaft-fixed bevel gear 29 is mounted on the hinged block-fixed shaft 28 positioned in the hinged block 25, the shaft-fixed bevel gear 29 is fixed on the hinged block-fixed shaft 28, an arm-fixed shaft 26 is mounted on the hinged block 25, the arm-fixed shaft 26 is fixed on the hinged block 25, the hinged block 25 is mounted on the hinged block 25, the hinged block 25 can rotate on the arm-fixed shaft 26, a torsion spring capable of enabling the hinged block 25 to rotate counterclockwise is mounted between the hinged block 25 and the arm-fixed shaft 26, a rotating bevel gear 27 is mounted on the arm-fixed shaft 26, the rotating bevel gear 27 can rotate on the arm-fixed shaft 26, and a bevel gear shaft mechanism is mounted between the rotating bevel gear 27 and the shaft-fixed bevel gear 29, when the hinge block 25 is rotated, the bevel gear rolls on the shaft fixing bevel gear 29, thereby rotating the rotating bevel gear 27 on the arm fixing shaft 26, the hinged block 25 is provided with a slide rod 21 extending into the disinfection groove 33, a rack 22 is processed on the slide rod 21, an extension rotating shaft 24 is arranged in the hinging block 25, an extension gear 23 is arranged on the extension rotating shaft 24, the extension rotating shaft 24 rotates to drive the extension gear 23 to rotate, a bevel gear shaft mechanism is arranged between the extension rotating shaft 24 and the rotating bevel gear 27, when the rotary bevel gear 27 rotates, the extension rotating shaft 24 can be driven to rotate, the extension rotating shaft 24 rotates to drive the extension gear 23 to rotate, the extending gear 23 rotates to extend the sliding rod 21 outwards through the rack 22, and the sliding rod 21 is provided with the disinfection wiping head 20.

Rotate and to install antiseptic solution on the shell 11 and supply with recovery box 16, antiseptic solution supply with recovery box 16 can follow rotate and to dismantle the installation on the shell 11, install baffle 17 in the antiseptic solution supply with recovery box 16, baffle 17 will antiseptic solution supply with recovery box 16 and separate into two chambeies, one supplies the chamber for the antiseptic solution, and one is useless antiseptic solution recovery chamber, wherein antiseptic solution supply chamber with disinfection groove 33 pipe connection.

Install piston tube 35 on the antiseptic solution is supplied with and is retrieved box 16, install piston 34 in the piston tube 35, piston 34 with install return spring 37 between the piston tube 35, return spring 37 is in tension state, piston 34 can slide in the piston tube 35, piston 34 top with disinfection arm 30 butt, work as when disinfection arm 30 anticlockwise rotation, piston tube 35 is in the effect of return spring 37 upwards slides, works as when disinfection arm 30 clockwise turning, disinfection arm 30 overcomes return spring 37 will piston 34 pushes down, under initial condition, processing has pressure relief hole 38 on the piston tube 35, works as piston 34 moves to can follow when pressure relief hole 38 upper end pressure relief hole 38 ventilates.

The lower end of the piston pipeline 35 is divided into two pipelines which are respectively communicated with two cavities in the disinfectant supplying and recovering box 16, a one-way valve 36 is installed at the communication port of the two cavities, the one-way valve 36 only allows gas and liquid in the piston pipeline 35 to flow in the disinfectant supplying and recovering box 16, when the piston 34 moves upwards, the one-way valve 36 does not work, and when the piston 34 moves downwards, the liquid and the gas can be respectively pressed into the two cavities of the disinfectant supplying and recovering box 16.

The one-way pipeline 39 communicated with the disinfection groove 33 is installed in front of the one-way valve 36 of the access pipeline of the waste disinfection solution recovery cavity, the one-way pipeline 39 only allows liquid to flow into the piston pipeline 35 from the disinfection groove 33, when the piston 34 moves upwards, the one-way pipeline 39 starts to work, the waste disinfection solution in the disinfection groove 33 is sucked into the pipeline of the piston pipeline 35 access disinfection solution recovery cavity, and then the piston 34 downwards presses the waste disinfection solution into the disinfection solution recovery cavity through the one-way valve 36 from the pipeline of the piston pipeline 35 access disinfection solution recovery cavity.

Install lid pivot 13 on rotating shell 11, lid pivot 13 can rotate on rotating shell 11, install shield 12 on the lid pivot 13, lid pivot 13 rotates and can drive shield 12 rotates, works as slide bar 21 stretches out will when rotating shell 11 shield 12 backs up.

In one embodiment, the device is adhered to a panel on the lower side of the fingerprint head by the adhesive rubber soft pad 19, the position of the rotating shell 11 on the fixed block 10 is rotated to adapt to the fingerprint head in different positions, and then the rotating shell is fixed by the positioning bolt 18, and disinfectant is added into the disinfectant cavity of the disinfectant supply and recovery box 16.

After each use of the fingerprint head, the power shaft 31 starts to rotate, so that the disinfection arm 30 rotates, the disinfection arm 30 rotates to drive the sufu joint block 25 to rotate and extend out of the rotating shell 11 through the wall-fixed bevel gear 32 and the bevel gear shaft mechanism, the joint block 25 rotates to drive the rotating bevel gear 27 to rotate on the arm-fixed shaft 26 through the shaft-fixed bevel gear 29 and the bevel gear shaft mechanism, the rotating bevel gear 27 rotates to drive the extending shaft 24 to rotate through the bevel gear shaft mechanism, the extending shaft 24 rotates to drive the extending gear 23 to rotate, the extending gear 23 rotates to drive the sliding rod 21 to drive the disinfection wiping head 20 to extend out of the dust cap 12 through the rack 22 until the disinfection wiping head 20 abuts against the fingerprint head, then the work is continued, and after the disinfection wiping head 20 is abutted, the hinge block 25 rotates around the arm fixing shaft 26 while the sterilizing-wiping head 20 wipes upward on the fingerprint head for sterilization.

Meanwhile, the piston 34 moves upwards under the action of the return spring 37, at this time, the one-way valve 36 does not work, the one-way pipeline 39 works to suck the disinfectant in the disinfection tank 33 into the piston pipeline 35 and then leads the disinfectant into the pipeline of the disinfectant recovery cavity, and then the piston 34 continues to vent upwards through the pressure relief hole 38.

Disinfection back that finishes disinfection arm 30 return will piston 34 pushes down, piston 34 pushes down and impresses useless antiseptic solution in the antiseptic solution recovery chamber, impresses gaseous disinfection sap cavity in, and the pressure grow in the antiseptic solution cavity is impressed clean antiseptic solution wash in the disinfection groove 33 disinfection wiping head 20.

New sterilizing liquid can be added to the 16 at intervals while the spent sterilizing liquid is discharged.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. An external device for self disinfection and epidemic prevention which can adapt to various types of fingerprint heads comprises a fixed block (10), the fixed block (10) comprises different fingerprint head adapting mechanisms and fingerprint head sterilizing mechanisms, the rotary shell (11) is installed on the fixed block (10), the rotary shell (11) can rotate on the fixed block (10), the fixed block (10) positioned at the other side of the rotary shell (11) is provided with a sticky rubber cushion (19) connected through a rubber column, the other side surface of the sticky rubber cushion (19) is provided with sticky materials, the rotating shell (11) which is positioned opposite to the fixed block (10) is provided with a replacing cover (14), the replacement cover (14) is connected with the rotating shell (11) through an elastic buckle (15), and the elastic buckle (15) has certain elasticity.

2. The self-disinfecting and epidemic-preventing external device capable of adapting to multiple types of fingerprint heads as claimed in claim 1, wherein: and a positioning bolt (18) is installed on the rotating shell (11), and the positioning bolt (18) is matched with the rotating shell (11) through threads.

3. The self-disinfecting and epidemic-preventing external device capable of adapting to multiple types of fingerprint heads as claimed in claim 1, wherein: the disinfection device is characterized in that a disinfection groove (33) is processed on the rotating shell (11), a power rotating shaft (31) is arranged on the rotating shell (11) on one side of the disinfection groove (33) in a rotating mode, a motor is installed on the power rotating shaft (31), a disinfection arm (30) is installed on the power rotating shaft (31), a wall fixing bevel gear (32) is installed on the power rotating shaft (31), the wall fixing bevel gear (32) can rotate on the power rotating shaft (31), the left end of the wall fixing bevel gear (32) is fixed on the rotating shell (11), a hinged block fixing shaft (28) is installed at the right end of the disinfection arm (30), the hinged block fixing shaft (28) is fixed on the disinfection arm (30), a hinged block (25) is installed on the hinged block fixing shaft (28), and the hinged block (25) can rotate on the hinged block fixing shaft (28), the articulated block (25) and the wall fixed bevel gear (32) are provided with a bevel gear shaft mechanism, the articulated block (25) is internally provided with an articulated block fixing shaft (28) on which a shaft fixed bevel gear (29) is arranged, the shaft fixed bevel gear (29) is fixed on the articulated block fixing shaft (28), the articulated block (25) is provided with an arm fixing shaft (26), the arm fixing shaft (26) is fixed on the articulated block (25), the articulated block (25) is arranged on the articulated block (25), the articulated block (25) can rotate on the arm fixing shaft (26), a torsion spring which can enable the articulated block (25) to have a counterclockwise rotation trend is arranged between the articulated block (25) and the arm fixing shaft (26), the arm fixing shaft (26) is provided with a rotating bevel gear (27), and the rotating bevel gear (27) can rotate on the arm fixing shaft (26), rotate bevel gear (27) with install bevel gear shaft mechanism between the fixed bevel gear of axle (29), articulated piece (25) are installed and are extended to slide bar (21) in disinfection groove (33), it has rack (22) to process on slide bar (21), install in articulated piece (25) and stretch out pivot (24), stretch out and install on pivot (24) and stretch out gear (23), stretch out pivot (24) with install bevel gear shaft mechanism between rotating bevel gear (27), install disinfection on slide bar (21) and clean head (20).

4. The self-disinfecting and epidemic-preventing external device capable of adapting to multiple types of fingerprint heads as claimed in claim 1, wherein: rotate and install antiseptic solution on shell (11) and supply with recovery box (16), antiseptic solution is supplied with to retrieve box (16) and can be followed rotate and dismantle the installation on shell (11), install baffle (17) in antiseptic solution is supplied with recovery box (16), baffle (17) will antiseptic solution is supplied with to retrieve box (16) and is separated into two chambeies, and one supplies the chamber for the antiseptic solution, and one retrieves the chamber for useless antiseptic solution, wherein antiseptic solution supply the chamber with disinfection groove (33) pipe connection.

5. The self-disinfecting and epidemic-preventing external device capable of adapting to multiple types of fingerprint heads as claimed in claim 4, wherein: install piston pipeline (35) on antiseptic solution supplies with recovery box (16), install piston (34) in piston pipeline (35), piston (34) with install return spring (37) between piston pipeline (35), return spring (37) are in tensile state, piston (34) can slide in piston pipeline (35), piston (34) top with disinfection arm (30) butt, under initial condition, processing has pressure release hole (38) on piston pipeline (35).

6. The self-disinfecting and epidemic-preventing external device capable of adapting to multiple types of fingerprint heads as claimed in claim 5, wherein: the lower end of the piston pipeline (35) is divided into two cavities, the two cavities are respectively communicated with the disinfectant supplying and recovering box (16), one-way valves (36) are installed at the communication ports of the two cavities, and the one-way valves (36) only allow gas and liquid in the piston pipeline (35) to flow into the disinfectant supplying and recovering box (16).

7. The self-disinfecting and epidemic-preventing external device capable of adapting to multiple types of fingerprint heads as claimed in claim 6, wherein: a one-way pipeline (39) communicated with the disinfection tank (33) is arranged in front of the one-way valve (36) of the inlet pipeline of the waste disinfection liquid recovery cavity, and the one-way pipeline (39) only allows liquid to flow into the piston pipeline (35) from the disinfection tank (33).

8. The self-disinfecting and epidemic-preventing external device capable of adapting to multiple types of fingerprint heads as claimed in claim 1, wherein: install lid pivot (13) on rotating shell (11), lid pivot (13) can rotate on rotating shell (11), install shield (12) on lid pivot (13).