A hand disinfection auxiliary device

Abstract

The present invention relates to the technical field of hand disinfection equipment, specifically a hand disinfection auxiliary equipment, including a semi-cylindrical liquid storage box and a box cover connected to its top port, the top of the liquid storage box is provided with a plurality of drop drainage channels for quantitatively sucking out the disinfectant therein, and the arc outer side surface of the liquid storage box is installed with an infrared sensing module for triggering the plurality of drop drainage channels to connect to the outside world; the infrared sensing module includes a plurality of infrared sensing switches corresponding to the plurality of drop drainage channels and a control box equipped with a microprocessor. The present invention completes the work of siphoning and gravity liquid supply through the infrared sensing and mechanical opening and closing methods; the mechanical movement of the rotating block or the intercepting block is triggered by an infrared signal to control the liquid drop of the liquid drop pipe, without contacting the surface of the equipment throughout the process, and completely blocking the cross-infection path; and the rotating block or the intercepting block is precisely matched with the liquid passing cylinder to block the reverse invasion of external pollutants; the air filter realizes air pressure balance while isolating dust and microorganisms.

Description

Technical Field

[0001] The present invention relates to the technical field of hand disinfection equipment, in particular to a hand disinfection auxiliary equipment. Background Art

[0002] In the field of medical infection control, hand disinfection equipment is a key tool to block the spread of pathogens. Traditional hand disinfection devices mostly use a press-type or foot-operated liquid discharge design, which has the following defects: Cross-infection risk: When manually pressing the disinfection bottle or contact sensing device, the hand is likely to touch the surface of the device and become a medium for the transmission of pathogens; Insufficient quantitative accuracy: The press-type liquid discharge relies on manual control, which can easily lead to waste of disinfectant or insufficient dosage. Summary of the invention

[0003] In order to overcome the defects in the prior art, the object of the present invention is to provide a hand disinfection auxiliary device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned object, the present invention provides a hand disinfection auxiliary device, comprising a semi-cylindrical liquid storage box and a box cover with a top port thereof being clamped, the top of the liquid storage box being provided with a plurality of drop drainage channels for quantitatively sucking out the disinfectant therein, an infrared sensing module for triggering the plurality of drop drainage channels to connect to the outside world being installed on the arc outer side surface of the liquid storage box; the infrared sensing module comprising a plurality of infrared sensing switches corresponding to the plurality of drop drainage channels and a control box equipped with a microprocessor; The top arc side surface of the liquid storage box is provided with a plurality of positioning holes in a circular shape with equal intervals, and the positioning holes do not penetrate the top surface of the liquid storage box, and the infrared sensing switch is located directly below the positioning holes; the drop drainage channel is a drainage type liquid supply group, and the drainage type liquid supply group comprises a liquid supply tube vertically placed inside the liquid storage box, a liquid drop pipe vertically suspended outside the top of the liquid storage box, and a liquid passing cylinder connected to the front side of the bottom end of the liquid drop pipe, the liquid supply tube and the top end of the liquid drop pipe are connected and hung in the positioning hole, the liquid drop port is formed at one side of the top of the liquid passing cylinder and communicated with the liquid drop pipe, and a liquid outlet is provided on the bottom surface of the liquid passing cylinder, the internal coaxial adapter of the liquid passing cylinder is provided with a rotating block in the form of a semi-cylindrical block, a stepping electric motor is installed at the outer end of the liquid passing cylinder, and the infrared sensing switch is used to trigger the stepping electric motor to start and drive the rotating block to rotate one circle each time; Or the drop drainage channel is a cut-off type liquid supply group, which includes another set of liquid supply pipes with the same structure, a liquid drop pipe, a liquid passing cylinder, a cut-off block coaxially adapted to be arranged in the liquid supply pipe, an electromagnet for magnetically deflecting the cut-off block to open the liquid drop port, and a pair of torsion springs for rebounding the cut-off block to reset and block the liquid drop port.

[0005] As a further improvement of the present technical solution, an air port is provided on the top surface of the box cover near the straight side surface, and a ventilation group is provided at the air port. The ventilation group includes a ventilation sleeve mounted on the air port and an air filter clamped on the top of the ventilation sleeve. The ventilation sleeve is a T-shaped silicone body and an air groove hole is provided at the center. The air filter is made of a porous breathable material.

[0006] As a further improvement of the technical solution, a steering tube is integrally provided between the top ends of the liquid supply tube and the liquid drop tube, and the steering tube is plug-fitted with the positioning port.

[0007] As a further improvement of the present technical solution, the liquid supply tube is made of PP material to form a flat tube structure, the bottom end of the liquid supply tube extends to the bottom of the liquid storage box and is provided with a liquid suction nozzle, and the liquid suction nozzle is a trumpet-shaped structure.

[0008] As a further improvement of the technical solution, the liquid-passing cylinder and the liquid-dropping tube are an integrated structure, and the two ends of the central axis of the rotating block are adapted to be matched with the central holes on both sides of the liquid-passing cylinder.

[0009] As a further improvement of the technical solution, the intercepting block is a fan-shaped block and its arc surface size is larger than the size of the liquid outlet. A liquid blocking plate is provided on the opposite side of the central axis of the intercepting block. The intercepting block and the liquid blocking plate are adapted for sliding connection with the inner wall of the liquid passing cylinder.

[0010] As a further improvement of the technical solution, a mounting opening is provided at the top of the liquid passing cylinder and away from the liquid drop pipe, the electromagnet is snap-fitted with the mounting opening, and an iron sheet is embedded in the side of the intercepting block relative to the electromagnet.

[0011] As a further improvement of the technical solution, the two torsion springs are respectively sleeved on the two ends of the central axis of the cutoff block, and the two ends of the central axis of the cutoff block extend to the outside of the liquid passing cylinder. A positioning section is vertically provided at one end of the torsion spring close to the side end face of the liquid passing cylinder, and a fixing plate fixedly connected to the end face of the central axis of the cutoff block is welded to the other end of the torsion spring. A pair of clamping columns are embedded in the end faces of both sides of the liquid passing cylinder and above the center hole, and the positioning section is clamped and slidably engaged with the pair of clamping columns.

[0012] As a further improvement of the technical solution, a positioning platform is protruding from the top surface of the box cover, and the positioning platform is in the shape of an arc table and is arranged concentrically with the box cover. The outside of the air filter is sleeved with a sleeve frame, and the sleeve frame is snap-fitted with the positioning platform.

[0013] As a further improvement of the present technical solution, a semi-circular concave cavity is provided at the bottom of the liquid storage box and close to the straight side surface, a support block is provided on the outside of the straight side surface of the liquid storage box, and a support sleeve is provided on the front side of the bottom of the support block and is sleeved with the concave cavity.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. This hand disinfection auxiliary equipment completes the work of siphoning and gravity liquid supply through the set infrared sensing and mechanical opening and closing methods; the mechanical movement of the rotating block or the intercepting block is triggered by the infrared signal to control the liquid drop from the drop pipe, without touching the surface of the equipment during the whole process, completely blocking the cross-infection path; and the rotating block or the intercepting block is precisely matched with the liquid passing cylinder to block the reverse invasion of external pollutants; the air filter realizes air pressure balance while isolating dust and microorganisms.

[0015] 2. The hand disinfection auxiliary device forms a fixed space by adapting the liquid-passing cylinder and the rotating block or the intercepting block, and the rotating block or the intercepting block is periodically driven to open and close the liquid drop port, so that each time the disinfectant is triggered to release, it is quantitatively supplied. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings described herein are only for explanation purposes and are not intended to limit the scope of the present invention in any way. In addition, the shapes and proportional dimensions of the various components in the drawings are only schematic, used to help understand the present invention, and are not specifically limited to the shapes and proportional dimensions of the various components of the present invention. Those skilled in the art, under the guidance of the present invention, select various possible shapes and proportional dimensions to implement the present invention according to specific circumstances.

[0017] Figure 1 It is one of the overall structural schematic diagrams of the present invention.

[0018] Figure 2 It is a schematic diagram of the structure of the liquid storage box of the present invention.

[0019] Figure 3 It is a schematic diagram of the assembly structure of the drainage type liquid supply group of the present invention.

[0020] Figure 4 It is an assembly front view of the drainage type liquid supply group of the present invention in the internal liquid sealing state.

[0021] Figure 5 It is an assembly front view of the drainage type liquid supply group of the present invention in the internal liquid flow state.

[0022] Figure 6 It is an assembly front view of the drainage type liquid supply group of the present invention in the internal liquid blocking state.

[0023] Figure 7 It is a schematic diagram of the assembly structure of the liquid supply pipe and the liquid down pipe of the present invention.

[0024] Figure 8 It is a schematic diagram of the assembly structure of the rotating block of the present invention.

[0025] Fig. 9 It is a split diagram of the ventilation group of the present invention.

[0026] Fig.10 This is a disassembled diagram of the liquid storage box of the present invention.

[0027] Fig.11 This is the second schematic diagram of the overall structure of the present invention.

[0028] Fig.12 It is a schematic diagram of the assembly structure of the interception type liquid supply group of the present invention.

[0029] Fig.13 It is an assembly front view of the shut-off type liquid supply assembly of the present invention in the liquid sealing state.

[0030] Fig.14 It is an assembly front view of the shut-off type liquid supply group of the present invention in the liquid flow state.

[0031] Fig.15 This is a disassembled diagram of the interception type liquid supply group of the present invention.

[0032] The meaning of each number in the figure is: 100, liquid storage box; 101, positioning port; 102, concave cavity; 110, box cover; 111, air port; 112, positioning platform; 120, ventilation group; 121, ventilation sleeve; 1211, air slot hole; 122, air filter; 123, sleeve frame; 130, support block; 131, support sleeve; 200, infrared sensing module; 210, infrared sensing switch; 220, control box; 300, drainage type liquid supply group; 310, liquid supply pipe; 311, steering pipe; 312, liquid suction nozzle; 320, liquid drop pipe; 321, liquid passing cylinder; 3211, liquid outlet; 322, clamping column; 323, installation port; 330, rotating block; 340, stepping electric motor; 400, interception type liquid supply group; 410, interception block; 411, liquid blocking plate; 420, electromagnet; 430, torsion spring; 431, positioning section; 432, fixing plate. DETAILED DESCRIPTION

[0033] The details of the present invention can be more clearly understood by combining the accompanying drawings with the description of the specific embodiments of the present invention. However, the specific embodiments of the present invention described herein are only used for the purpose of explaining the present invention and cannot be understood as limiting the present invention in any way. Under the guidance of the present invention, the technical personnel's conception is based on any possible variation of the present invention, which should be regarded as belonging to the scope of the present invention. The terms "installation" and "connection" should be understood in a broad sense, which means direct connection and indirect connection through an intermediate medium.

[0034] The terms "central axis", "vertical", "horizontal", "front", "back", "up", "down", "left", "right", "top", "bottom", "inside", "outside" and the like used herein to indicate positions or positional relationships are based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, in the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0035] Example 1 See also Figure 1-Figure 10 As shown, the present invention provides a hand disinfection auxiliary device, including a semi-cylindrical liquid storage box 100 and a box cover 110 clamped with its top port, a plurality of drop drainage channels for quantitatively sucking out the disinfectant therein are arranged on the top of the liquid storage box 100, and an infrared sensing module 200 for triggering the plurality of drop drainage channels to connect to the outside is installed on the arc outer side surface of the liquid storage box 100; when the hand approaches the sensing range of the infrared sensing module 200, the drop drainage channel is triggered to connect to the outside, so that the disinfectant drops and is siphoned out of the liquid storage box 100, and the disinfectant inside the liquid storage box 100 is continuously replenished, thereby reducing manual intervention, and there is no need to touch the liquid storage box 100, thereby avoiding the occurrence of cross infection; A semi-circular concave cavity 102 is provided at the bottom of the liquid storage box 100 and near the straight side surface. A support block 130 is provided on the outer side of the straight side surface of the liquid storage box 100, and a support sleeve 131 is provided on the bottom front side of the support block 130 to be sleeved with the concave cavity 102. The liquid storage box 100 is supported by bolting the support block 130 to a wall or a door, so that medical staff can approach the liquid storage box 100 to take disinfectant or medical alcohol; the sleeve connection structure of the concave cavity 102 and the support sleeve 131 realizes the tool-free disassembly and assembly of the liquid storage box 100, which is convenient for taking and placing the liquid storage box 100 for cleaning and replenishing disinfection items; the contact area between the semi-circular concave cavity 102 and the support sleeve 131 is increased to prevent the liquid storage box 100 from tilting due to external force collision; when disassembling, it only needs to be lifted vertically upward; The infrared sensing module 200 includes a plurality of infrared sensing switches 210 corresponding to a plurality of drop drainage channels and a control box 220 equipped with a microprocessor; each infrared sensing switch 210 independently corresponds to a drop drainage channel, realizing single-point triggering and directional liquid discharge, and reducing misoperation; the control box 220 is fixedly connected to the outer surface of the liquid storage box 100 by bolts to adjust the sensing range.

[0036] Specifically, the top arc side surface of the liquid storage box 100 is provided with a plurality of positioning holes 101 in a circular shape and at equal intervals, and the positioning holes 101 do not penetrate the top surface of the liquid storage box 100, and the infrared sensing switch 210 is located directly below the positioning holes 101; the drop drainage channel is a drainage type liquid supply group 300, and the drainage type liquid supply group 300 includes a liquid supply pipe 310 vertically placed inside the liquid storage box 100, a liquid drop pipe 320 vertically suspended on the outside of the top of the liquid storage box 100, and a liquid passing cylinder 321 connected to the front side of the bottom end of the liquid drop pipe 320, and the liquid supply pipe 310 and the top of the liquid drop pipe 320 are connected and hung Connected to the positioning port 101, the place where one side of the top of the liquid cylinder 321 communicates with the liquid drop tube 320 is a liquid drop port, and the bottom surface of the liquid cylinder 321 is provided with a liquid outlet 3211. The internal coaxial adapter of the liquid cylinder 321 is equipped with a rotating block 330 in the form of a semi-cylindrical block. The outer end of the liquid cylinder 321 is equipped with a stepping electric motor 340, and the infrared sensor switch 210 is used to trigger the stepping electric motor 340 to start and drive the rotating block 330 to rotate one circle each time; the stepping electric motor 340 drives the rotating block 330 to rotate 180° around the axis, and the opening and closing of the liquid drop port is realized by switching between the plane and the arc surface of the semi-cylindrical block; Every time the rotating block 330 rotates one circle, its semi-cylindrical structure periodically opens and closes the liquid drop outlet, and a single rotation releases a fixed volume of disinfectant to fall from the liquid outlet 3211; when the rotating block 330 closes the liquid drop outlet, the disinfectant in the liquid drop pipe 320 can be cut off, and the plane of the rotating block 330 and the bottom of the liquid passing cylinder 321 are sealed and cooperated to prevent dripping under the action of atmospheric pressure, so that when the rotating block 330 rotates again, this part of the disinfectant is transferred to the liquid drop pipe 320, and contacts and merges with the disinfectant, so that when the liquid outlet 3211 is exposed, the disinfectant falls to produce a siphon effect.

[0037] Further, an air port 111 is provided on the top surface of the box cover 110 and near the straight side surface, and a ventilation group 120 is provided at the air port 111. The ventilation group 120 includes a ventilation sleeve 121 sleeved with the air port 111 and a filter 122 clamped on the top of the ventilation sleeve 121. The ventilation sleeve 121 is a T-shaped silicone body and an air slot hole 1211 is provided at the center thereof. The filter 122 is made of a porous breathable material; a positioning platform 112 is protruding from the top surface of the box cover 110. The positioning platform 112 is in the shape of an arc table and is arranged concentrically with the box cover 110. A sleeve frame 123 is sleeved on the outside of the filter 122, and the sleeve frame 123 is clamped and matched with the positioning platform 112; The ventilation group 120 balances the air pressure inside and outside the liquid storage box 100 through the air filter 122 to ensure that the siphon effect is continuous and stable; anti-pollution isolation: the porous air filter 122 blocks dust and microorganisms from entering the liquid storage box to maintain the cleanliness of the disinfectant; passive ventilation: when the liquid level in the liquid storage box 100 drops, the external air enters the liquid storage box 100 through the air filter 122 and the air slot hole 1211. There are no mechanical moving parts, which optimizes the automatic drainage structure.

[0038] In addition, a steering tube 311 is integrally provided between the tops of the liquid supply tube 310 and the liquid drop tube 320, and the steering tube 311 is plugged into the positioning port 101; the liquid supply tube 310 is made of PP material and is made into a flat tube structure, and the bottom end of the liquid supply tube 310 extends to the bottom of the liquid storage box 100 and is sleeved with a liquid suction nozzle 312, and the liquid suction nozzle 312 is a trumpet-shaped structure; the liquid passing cylinder 321 and the liquid drop tube 320 are an integral structure, and the two ends of the central axis of the rotating block 330 are adapted to the central holes on both sides of the liquid passing cylinder 321; The micro-groove structure inside the flat liquid supply tube 310 enhances the capillary action and assists the disinfectant to rise to the liquid drop tube 320; the trumpet-shaped liquid suction nozzle 312 fits the bottom of the liquid storage box 100 to ensure that the liquid can still be effectively sucked when the liquid level is as low as 5 mm.

[0039] Example 2 See also Figure 2 and Figure 9-Figure 15 As shown, the present invention provides a hand disinfection auxiliary device, including a semi-cylindrical liquid storage box 100 and a box cover 110 clamped with its top port, a plurality of drop drainage channels for quantitatively sucking out the disinfectant therein are arranged on the top of the liquid storage box 100, and an infrared sensing module 200 for triggering the plurality of drop drainage channels to connect to the outside is installed on the arc outer side surface of the liquid storage box 100; when the hand approaches the sensing range of the infrared sensing module 200, the drop drainage channel is triggered to connect to the outside, so that the disinfectant drops and is siphoned out of the liquid storage box 100, and the disinfectant inside the liquid storage box 100 is continuously replenished, thereby reducing manual intervention, and there is no need to touch the liquid storage box 100, thereby avoiding the occurrence of cross infection; A semi-circular concave cavity 102 is provided at the bottom of the liquid storage box 100 and near the straight side surface. A support block 130 is provided on the outer side of the straight side surface of the liquid storage box 100, and a support sleeve 131 is provided on the bottom front side of the support block 130 to be sleeved with the concave cavity 102. The liquid storage box 100 is supported by bolting the support block 130 to a wall or a door, so that medical staff can approach the liquid storage box 100 to take disinfectant or medical alcohol; the sleeve connection structure of the concave cavity 102 and the support sleeve 131 realizes the tool-free disassembly and assembly of the liquid storage box 100, which is convenient for taking and placing the liquid storage box 100 for cleaning and replenishing disinfection items; the contact area between the semi-circular concave cavity 102 and the support sleeve 131 is increased to prevent the liquid storage box 100 from tilting due to external force collision; when disassembling, it only needs to be lifted vertically upward; The infrared sensing module 200 includes a plurality of infrared sensing switches 210 corresponding to a plurality of drop drainage channels and a control box 220 equipped with a microprocessor; each infrared sensing switch 210 independently corresponds to a drop drainage channel, realizing single-point triggering and directional liquid discharge, and reducing misoperation; the control box 220 is fixedly connected to the outer surface of the liquid storage box 100 by bolts to adjust the sensing range.

[0040] Specifically, the top arc side surface of the liquid storage box 100 is annularly provided with a plurality of positioning openings 101 at equal intervals, and the positioning openings 101 do not penetrate the top surface of the liquid storage box 100, and the infrared sensing switch 210 is located directly below the positioning openings 101; the drop drainage channel is a cut-off type liquid supply group 400, and the cut-off type liquid supply group 400 includes another set of liquid supply pipes 310 of the same structure, a liquid drop pipe 320, a liquid passing cylinder 321, a cut-off block 410 coaxially adapted and arranged in the liquid supply pipe 310, an electromagnet 420 for magnetically attracting the cut-off block 410 to deflect and open the liquid drop opening, and a pair of torsion springs 430 for rebounding the cut-off block 410 to reset and block the liquid drop opening; When the infrared sensor switch 210 triggers the electromagnet 420 to be energized, the interception block 410 is instantly adsorbed and separated from the liquid outlet to open it; when the power is off, the torsion spring 430 automatically resets and rebounds the interception block 410 to close the liquid outlet to prevent liquid leakage.

[0041] Furthermore, the intercepting block 410 is a fan-shaped block and the size of its arc surface is larger than the size of the liquid outlet so as to block the liquid outlet; a liquid blocking plate 411 is provided on the opposite side of the central axis of the intercepting block 410, and the intercepting block 410 and the liquid blocking plate 411 are adapted to be slidably connected with the inner wall of the liquid passing cylinder 321; so that when the intercepting block 410 is separated from the liquid outlet, the liquid blocking plate 411 rotates to the side of the liquid outlet 3211, thereby blocking and guiding the disinfectant to fall and flow out of the liquid outlet 3211 in time.

[0042] An installation opening 323 is provided at the top of the liquid cylinder 321 and away from the liquid drop pipe 320. The electromagnet 420 is engaged with the installation opening 323. An iron sheet is embedded in the side of the intercepting block 410 relative to the electromagnet 420 so that the magnetic intercepting block 410 can be directional deflected.

[0043] Further, two torsion springs 430 are respectively sleeved at two ends of the central axis of the intercepting block 410, and the two ends of the central axis of the intercepting block 410 extend to the outside of the liquid-passing cylinder 321. One end of the torsion spring 430 close to the side end face of the liquid-passing cylinder 321 is vertically provided with a positioning section 431, and the other end of the torsion spring 430 is welded with a fixing plate 432 fixedly connected to the end face of the central axis of the intercepting block 410, so that the outer end of the torsion spring 430 rotates synchronously with the central axis of the intercepting block 410; A pair of clamping columns 322 are embedded in the end surfaces of both sides of the liquid cylinder 321 and above the central hole, and the positioning section 431 is engaged and slidably connected with the pair of clamping columns 322; when the intercepting block 410 deflects and drives the outer end of the torsion spring 430 to move, the positioning section 431 is restricted by the pair of clamping columns 322 and moves in the opposite direction as a whole with the torsion spring 430, that is, the torque is stored, and after the electromagnet 420 is powered off, the torsion spring 430 rebounds and drives the intercepting block 410 to block the liquid outlet.

[0044] When the hand disinfection auxiliary device of the present invention is in use, the hand is close to the infrared sensing switch 210 on the outside of the liquid storage box 100, and the stepping electric motor 340 is triggered to work by an electrical signal, and the stepping electric motor 340 drives the rotating block 330 to rotate 180 degrees around the axis, and the flat surface and the curved surface of the rotating block 330 are rotated and switched in the liquid passing cylinder 321 to realize the opening and closing of the liquid drop port, and the disinfectant is siphoned out from the liquid outlet 3211 in a quantitative manner, without any manual operation, thereby reducing the risk of infection; Or the electromagnet 420 is triggered by an electrical signal to instantly absorb the interception block 410 and separate from the liquid outlet to open it. When the power is off, the torsion spring 430 automatically resets and the interception block 410 rebounds to close the liquid outlet to prevent liquid leakage. The disinfectant is siphoned out from the liquid outlet 3211 in a quantitative manner without any manual operation, thereby reducing the risk of infection.

[0045] It should be noted that the above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A hand disinfection auxiliary device, characterized in that: The invention comprises a semi-cylindrical liquid storage box (100) and a box cover (110) connected to its top port; the top of the liquid storage box (100) is provided with a plurality of drop drainage channels for quantitatively sucking out the disinfectant therein; an infrared sensing module (200) for triggering the plurality of drop drainage channels to communicate with the outside is installed on the arc outer side surface of the liquid storage box (100); the infrared sensing module (200) comprises a plurality of infrared sensing switches (210) corresponding to the plurality of drop drainage channels and a control box (220) equipped with a microprocessor; The top arc side surface of the liquid storage box (100) is provided with a plurality of positioning openings (101) in a circular shape and at equal intervals, and the positioning openings (101) do not penetrate the top surface of the liquid storage box (100), and the infrared sensing switch (210) is located directly below the positioning openings (101); the drop drainage channel is a drainage type liquid supply group (300), and the drainage type liquid supply group (300) comprises a liquid supply pipe (310) vertically placed inside the liquid storage box (100), a liquid drop pipe (320) vertically suspended on the outside of the top of the liquid storage box (100), and a liquid passing cylinder (321) arranged at the front side of the bottom end of the liquid drop pipe (320) in communication with the liquid drop pipe (320). The top ends of the liquid supply tube (310) and the liquid drop tube (320) are connected and hung in the positioning port (101); the portion of the top side of the liquid-passing cylinder (321) that is in communication with the liquid drop tube (320) is a liquid drop port; the bottom surface of the liquid-passing cylinder (321) is provided with a liquid outlet (3211); the interior of the liquid-passing cylinder (321) is coaxially adapted to be equipped with a rotating block (330) in the form of a semi-cylindrical block; a stepping electric motor (340) is installed at the outer end of the liquid-passing cylinder (321); the infrared induction switch (210) is used to trigger the stepping electric motor (340) to start and drive the rotating block (330) to rotate one circle each time; Or the drop drainage channel is a cut-off type liquid supply group (400), the cut-off type liquid supply group (400) comprising another set of liquid supply pipes (310) of the same structure, a liquid drop pipe (320), a liquid passing cylinder (321), a cut-off block (410) coaxially adapted and arranged in the liquid supply pipe (310), an electromagnet (420) for magnetically attracting the cut-off block (410) to deflect and open the liquid drop port, and a pair of torsion springs (430) for rebounding the cut-off block (410) to reset and block the liquid drop port.

2. The hand disinfection auxiliary device according to claim 1, characterized in that: An air port (111) is provided on the top surface of the box cover (110) and close to the straight side surface. A ventilation group (120) is provided at the air port (111). The ventilation group (120) comprises a ventilation sleeve (121) sleeved with the air port (111) and an air filter (122) clamped on the top of the ventilation sleeve (121). The ventilation sleeve (121) is a T-shaped silicone body and has an air slot hole (1211) at the center. The air filter (122) is made of a porous breathable material.

3. The hand disinfection auxiliary device according to claim 2, characterized in that: A steering tube (311) is integrally provided between the top ends of the liquid supply tube (310) and the liquid drop tube (320), and the steering tube (311) is plugged into and matched with the positioning port (101).

4. The hand disinfection auxiliary device according to claim 3, characterized in that: The liquid supply tube (310) is made of PP material and has a flat tube structure. The bottom end of the liquid supply tube (310) extends to the bottom of the liquid storage box (100) and is sleeved with a liquid suction nozzle (312). The liquid suction nozzle (312) has a trumpet-shaped structure.

5. The hand disinfection auxiliary device according to claim 4, characterized in that: The liquid-passing cylinder (321) and the liquid-dropping tube (320) are an integrated structure, and the two ends of the central axis of the rotating block (330) are adaptively matched with the central holes at both side ends of the liquid-passing cylinder (321).

6. The hand disinfection auxiliary device according to claim 5, characterized in that: The intercepting block (410) is a fan-shaped block and its arc surface size is larger than the size of the liquid drop port. A liquid blocking sheet (411) is provided on the opposite side of the central axis of the intercepting block (410). The intercepting block (410) and the liquid blocking sheet (411) are adaptively slidably connected to the inner wall of the liquid passage cylinder (321).

7. The hand disinfection auxiliary device according to claim 6, characterized in that: A mounting opening (323) is provided at the top of the liquid passage cylinder (321) and away from the liquid drop pipe (320); the electromagnet (420) is engaged with the mounting opening (323); and an iron sheet is embedded in the side of the intercepting block (410) relative to the electromagnet (420).

8. The hand disinfection auxiliary device according to claim 7, characterized in that: The two torsion springs (430) are respectively sleeved at two ends of the central axis of the intercepting block (410), and the two ends of the central axis of the intercepting block (410) extend to the outside of the liquid passing cylinder (321). A positioning section (431) is vertically provided at one end of the torsion spring (430) close to the side end surface of the liquid passing cylinder (321), and a fixing plate (432) fixedly connected to the end surface of the central axis of the intercepting block (410) is welded to the other end of the torsion spring (430). A pair of clamping columns (322) are embedded in the end surfaces of both sides of the liquid passing cylinder (321) and located above the central hole, and the positioning section (431) is slidably engaged with the pair of clamping columns (322).

9. The hand disinfection auxiliary device according to claim 8, characterized in that: A positioning platform (112) is protruding from the top surface of the box cover (110); the positioning platform (112) is in the shape of an arc platform and is arranged concentrically with the box cover (110); a sleeve frame (123) is sleeved on the outside of the air filter (122); the sleeve frame (123) is snap-fitted with the positioning platform (112).

10. The hand disinfection auxiliary device according to claim 9, characterized in that: A semi-circular concave cavity (102) is provided at the bottom of the liquid storage box (100) and close to the straight side surface, a support block (130) is provided outside the straight side surface of the liquid storage box (100), and a support sleeve (131) sleeved with the concave cavity (102) is provided at the front side of the bottom of the support block (130).

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