A wall-mounted intelligent soap dispensing hand-washing machine and its working method

Abstract

The present invention discloses a wall-mounted intelligent soap dispensing hand washer and a working method thereof, comprising a mounting base and a container bracket, wherein the container bracket is fixed on the mounting base for supporting and placing a hand soap container, and an anti-loosening locking component, an induction control circuit and an automatic liquid pressing component are provided on the mounting base on the lower side of the container bracket, wherein the anti-loosening locking component is used to clamp and lock the bottle cap portion in the hand soap container, and the automatic liquid pressing component comprises a nozzle clamp and a reciprocating extrusion mechanism, wherein the nozzle clamp is used to clamp the liquid outlet nozzle in the hand soap container, and the reciprocating extrusion mechanism is used to reciprocate up and down to squeeze the liquid outlet nozzle, and after the induction control circuit detects that an object is approaching the induction area, it controls the reciprocating extrusion mechanism to squeeze the liquid outlet nozzle so that the liquid in the hand soap container is sprayed downward. The present invention can operate stably and reliably, and the overall performance of the hand washer is excellent, and it is very suitable for use in occasions where the hand soap consumption is large.

Description

Technical Field

[0001] The present invention relates to the technical field of hand washing machines, and in particular to a wall-mounted intelligent soap liquid dispensing hand washing machine and a working method thereof. Background Art

[0002] In modern life, washing hands with hand sanitizer has become a habit. With the development of science and technology and the improvement of people's living standards, it is a development trend to use automatic liquid-discharging hand sanitizer bottles instead of manually squeezed hand sanitizer bottles, which is convenient for people to use. Existing smart induction hand sanitizers are usually placed on the table for use. The hand sanitizer container is set at the bottom of the hand sanitizer. The electric pump is controlled by the infrared induction control circuit to spray the hand sanitizer in the hand sanitizer container from the nozzle on the top of the hand sanitizer. During use, direct contact with the hand sanitizer can be avoided, and cross infection caused by contact can be effectively avoided. It is easy to use and has a good experience effect.

[0003] However, in some public places such as toilets and restaurants with many people, the existing smart induction hand washing machines placed on the countertop for use have a small capacity of the hand sanitizer container (cleaning agent container). For example, the capacity of Xiaomi's smart hand washing machine is usually less than 400 ml. When there are many people, the cleanser is quickly used up, and it is necessary to frequently replenish the cleanser or replace the cleanser container with a new one, which is inconvenient to use. If the capacity of the cleanser container is simply increased, the overall volume will be too large, and it will take up a lot of space when placed on the countertop, which is easy to affect or hinder other functions of the countertop. Further optimization is needed to design a hand washing machine with a large-capacity automatic cleanser supply device that is suitable for more people. Summary of the invention

[0004] In order to solve the above problems, the purpose of the present invention is to provide a wall-mounted intelligent soap-dispensing hand washing machine and a working method thereof, which is provided with a container bracket for supporting and placing a hand sanitizer container, and an anti-loosening locking component, an induction control circuit and an automatic pressing liquid outlet component are provided inside. The hand sanitizer can be automatically supplied through the automatic pressing device, and a special hand sanitizer container is provided to ensure that the hand washing machine can operate more stably and reliably, and the overall performance of the hand washing machine is excellent.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A wall-mounted intelligent soap dispensing hand washing machine comprises a mounting base and a container bracket, wherein the container bracket is fixed on the mounting base for supporting and placing a hand soap container, an anti-loosening locking component, an induction control circuit and an automatic liquid pressing component are provided on the mounting base at the lower side of the container bracket, the anti-loosening locking component is used to clamp and lock the bottle cap portion in the hand soap container, the automatic liquid pressing component comprises a nozzle clamp and a reciprocating extrusion mechanism, the nozzle clamp is used to clamp the liquid outlet nozzle in the hand soap container, the reciprocating extrusion mechanism is used to reciprocate up and down to squeeze the liquid outlet nozzle, and after the induction control circuit detects that an object is approaching a sensing area, it controls the reciprocating extrusion mechanism to squeeze the liquid outlet nozzle so that the liquid in the hand soap container is sprayed downward.

[0007] Furthermore, the anti-loosening locking component includes a fixed card seat and a movable rotating card seat, the fixed card seat and the movable rotating card seat are concentrically sleeved together, the fixed card seat is provided with a spring mounting groove, the spring mounting groove is provided with a spring, the spring pushes the movable rotating card seat to rotate around its own axis, and the inner side of the movable rotating card seat is provided with a buckle that movably cooperates with the limiting step at the bottle cap part; under the push of the spring, the buckle presses the limiting step to prevent the hand sanitizer container from being pulled out upwards, and after the handle on the movable rotating card seat is pressed to compress the spring, the buckle is separated from the limiting step so that the hand sanitizer container can be pulled out.

[0008] Furthermore, the anti-loosening locking component is provided with a detection device for detecting whether the hand sanitizer container is installed and fixed in place, and the detection device is connected to the induction control circuit for control; the detection device is a non-contact induction sensor.

[0009] Furthermore, the nozzle clamp includes a snap-fit ​​base and a rotating buckle plate, one end of the rotating buckle plate is hinged to the snap-fit ​​base, a detachable fastener is provided between the other end of the rotating buckle plate and the snap-fit ​​base, and an upper slot and a lower slot for locking the bottle cap of the hand sanitizer container are also provided between the rotating buckle plate and the snap-fit ​​base.

[0010] Furthermore, the reciprocating extrusion mechanism includes a sliding body, a gear driving mechanism, a driving motor and a battery, the sliding body is connected to the nozzle clamp, a gear transmission assembly is provided in the housing of the gear driving mechanism, an eccentric rotating shaft is provided at the output end of the gear transmission assembly, a driving guide groove which is movably matched with the eccentric rotating shaft is provided on the sliding body, guide slides are provided at both ends of the sliding body, and the guide slides are slidably engaged in the slide grooves in the gear driving mechanism; the driving motor drives the eccentric rotating shaft to rotate through the gear driving mechanism, and the rotating eccentric rotating shaft cooperates with the driving guide groove to drive the sliding body to reciprocate up and down.

[0011] Furthermore, a position detection sensor is provided in the reciprocating extrusion mechanism, and the position detection sensor is connected to the induction control circuit for detecting the position of the sliding body or the eccentric rotating shaft.

[0012] Furthermore, a cover plate is provided below the liquid outlet nozzle, and a sensing window and a liquid outlet corresponding to the sensing area of ​​the sensing control circuit are provided on the cover plate, and the liquid outlet is provided below the liquid outlet nozzle.

[0013] Furthermore, a detachable upper cover is provided on the outer sides of the anti-loosening locking component, the induction control circuit and the automatic liquid-pressing component, and the upper cover is fixed to the mounting base via a movable hook connection.

[0014] Furthermore, a detachable tray is provided at the lower end of the mounting base, and the upper end of the tray is fixed to the lower end of the mounting base by a movable hook; a mounting hanging hole is provided on the back of the mounting base, and the mounting hanging hole is correspondingly connected to the hook in the mounting plate.

[0015] Furthermore, according to the above-mentioned working method of a wall-mounted intelligent soap dispensing hand washing machine, the following steps are included:

[0016] S1, state detection: the induction control circuit detects whether the position signals of the anti-loosening locking component and the reciprocating extrusion mechanism are normal; an alarm signal is issued when the signal is abnormal;

[0017] S2, induction detection: the induction control circuit detects whether there is an object approaching the sensing area;

[0018] S3, automatic squeezing: the state detects that the signal is normal, and the induction control circuit detects that an object is approaching the sensing area, and controls the reciprocating squeezing mechanism to squeeze the liquid nozzle so that the liquid in the hand sanitizer container is sprayed downward. The reciprocating squeezing times of the reciprocating squeezing mechanism can be set.

[0019] The present invention has the following beneficial effects:

[0020] 1. The present invention develops a wall-mounted intelligent soap dispensing hand washer that can be installed with a large-capacity hand sanitizer container. The wall-mounted intelligent soap dispensing hand washer is provided with an anti-loosening locking component, an induction control circuit and an automatic pressing liquid outlet component. The hand sanitizer can be automatically supplied through an automatic pressing device, and a special hand sanitizer container is provided to ensure that the hand sanitizer can operate more stably and reliably. The overall performance of the hand sanitizer is excellent, and it is very suitable for use in occasions where the hand sanitizer consumption is large.

[0021] 2. The anti-loosening locking component of the present invention can well lock the bottle cap of the special hand sanitizer container, and a detection device for detecting whether the hand sanitizer container is installed and fixed in place is provided in the anti-loosening locking component. The detection is performed during operation to protect the hand sanitizer container from being taken away, placed in the wrong place or placed in an incompatible container, thereby ensuring that the hand sanitizer can operate more stably and reliably.

[0022] 3. A nozzle clamp and a reciprocating extrusion mechanism are provided in the automatic liquid pressing and discharging component of the present invention. The driving motor in the reciprocating extrusion mechanism drives the eccentric rotating shaft to rotate through the gear driving mechanism. The rotating eccentric rotating shaft is then driven in coordination with the driving guide groove to realize the up and down reciprocating motion of the reciprocating extrusion mechanism. A position detection sensor is provided in the reciprocating extrusion mechanism to detect whether the action of the reciprocating extrusion mechanism is in place during operation, thereby ensuring that the automatic liquid extrusion is smooth and reliable.

[0023] 4. The overall structure of the present invention is reliable and can be easily fixed and installed by installing the base and the mounting plate. It is convenient to install a large-capacity hand sanitizer container with a capacity of more than one liter, and it is also quick and convenient to replace a new hand sanitizer container after use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic front view of the wall-mounted intelligent soap dispensing hand-washing machine of the present invention;

[0025] Figure 2 This is one of the three-dimensional schematic diagrams of the wall-mounted intelligent soap dispensing hand washer of the present invention;

[0026] Figure 3 This is the second three-dimensional schematic diagram of the wall-mounted intelligent soap dispensing hand-washing machine of the present invention;

[0027] Figure 4 This is a three-dimensional schematic diagram of the wall-mounted intelligent soap dispensing hand-washing machine of the present invention with the upper cover removed;

[0028] Figure 5 It is a three-dimensional schematic diagram of the connection between the hand sanitizer container, the anti-loosening locking component and the automatic pressing liquid outlet component of the present invention;

[0029] Figure 6 It is a three-dimensional schematic diagram of the automatic liquid-discharging component of the present invention;

[0030] Figure 7 It is a three-dimensional schematic diagram of the reciprocating extrusion mechanism of the present invention;

[0031] Figure 8 It is a three-dimensional schematic diagram of the anti-loosening locking component of the present invention;

[0032] Fig. 9 It is an exploded stereoscopic schematic diagram of the anti-loosening locking component of the present invention;

[0033] Fig.10 It is one of the three-dimensional schematic diagrams of the nozzle clamp and the sliding body of the present invention;

[0034] Fig.11 This is the second stereoscopic schematic diagram of the nozzle clamp and the sliding body of the present invention.

[0035] Description of reference numerals:

[0036] 1. Installation base; 11. Installation hanging hole; 2. Container bracket; 3. Hand sanitizer container; 31. Bottle cap; 311. Limiting step; 32. Liquid outlet nozzle; 4. Anti-loosening locking component; 41. Fixed card seat; 411. Spring installation slot; 42. Movable rotary card seat; 421. Buckle; 422. Handle; 43. Spring; 44. Detection device; 5. Induction control circuit; 6. Automatic liquid outlet component; 61. Nozzle clamp seat; 611. Buckle Combined base; 6111, lower card slot; 612, rotating buckle plate; 6121, upper card slot; 62, reciprocating extrusion mechanism; 621, sliding body; 6211, driving guide slot; 6212, guide slide; 622, gear driving mechanism; 6221, eccentric rotating shaft; 6222, slide slot; 623, driving motor; 624, battery; 63, fastener; 7, cover plate; 8, upper cover; 9, tray; 10, mounting plate; 101, hook. DETAILED DESCRIPTION

[0037] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0038] See also Figure 1-11 As shown, a wall-mounted intelligent soap dispensing hand washing machine comprises a mounting base 1 and a container bracket 2, wherein the container bracket 2 is fixed on the mounting base 1 for supporting and placing a hand soap container 3, and an anti-loosening locking component 4, an induction control circuit 5 and an automatic liquid pressing component 6 are provided on the mounting base 1 at the lower side of the container bracket 2, wherein the anti-loosening locking component 4 is used to clamp and lock the bottle cap portion 31 in the hand soap container 3, and the automatic liquid pressing component 6 comprises a nozzle clamp seat 61 and a reciprocating extrusion mechanism 62, wherein the nozzle clamp seat 61 is used to clamp the liquid outlet nozzle 32 in the hand soap container 3, and the reciprocating extrusion mechanism 62 is used to reciprocate up and down to squeeze the liquid outlet nozzle 32, and after the induction control circuit 5 detects that an object is approaching the sensing area, it controls the reciprocating extrusion mechanism 62 to squeeze the liquid outlet nozzle 32 so that the liquid in the hand soap container 3 is sprayed downward. The induction control circuit 5 is provided with an infrared induction circuit, and the infrared induction transmitting and receiving circuits are arranged in the induction area. The induction control circuit 5 is provided with control buttons and indicator lights. The induction control circuit 5 is a conventional design of electrical personnel in this field.

[0039] The anti-loosening locking component 4 includes a fixed card seat 41 and a movable rotating card seat 42, and the fixed card seat 41 and the movable rotating card seat 42 are concentrically sleeved together. A spring installation groove 411 is provided in the fixed card seat 41, and a spring 43 is provided in the spring installation groove 411. The spring 43 pushes the movable rotating card seat 42 to rotate around its own axis (after installation, the movable rotating card seat 42 can only rotate in the fixed card seat 41 and will not fall out). A buckle 421 that movably cooperates with the limiting step 311 at the bottle cover part 31 is provided on the inner side of the movable rotating card seat 42; under the push of the spring 43, the buckle 421 presses the limiting step 311 to prevent the hand sanitizer container 3 from being pulled out upwards, and after pressing the handle 422 on the movable rotating card seat 42 to compress the spring 43, the buckle 421 is separated from the limiting step 311 to enable the hand sanitizer container 3 to be pulled out. The anti-loosening locking component 4 is provided with a detection device 44 for detecting whether the hand sanitizer container 3 is installed and fixed in place, and the detection device 44 is connected to the induction control circuit 5; the detection device 44 is a non-contact induction sensor, such as a magnetic Hall induction switch, a proximity switch or a photoelectric switch, etc., and the present invention preferably uses a magnetic Hall induction switch.

[0040] The nozzle clamp seat 61 includes a snap-fit ​​base 611 and a rotating buckle plate 612, one end of the rotating buckle plate 612 is hinged to the snap-fit ​​base 611, and a detachable fastener 63 is provided between the other end of the rotating buckle plate 612 and the snap-fit ​​base 611. The fastener 63 can be a knob screw, a bolt or a hook. An upper slot 6121 and a lower slot 6111 for locking the bottle cap portion 31 of the hand sanitizer container 3 are also provided between the rotating buckle plate 612 and the snap-fit ​​base 611.

[0041] The reciprocating extrusion mechanism 62 includes a sliding body 621, a gear driving mechanism 622, a driving motor 623 and a battery 624. The sliding body 621 is connected to the nozzle clamp 61. A gear transmission assembly is provided in the housing of the gear driving mechanism 622. The gear transmission assembly is provided with a plurality of transmission gears. An eccentric rotating shaft 6221 is provided at the output end of the gear transmission assembly. A driving guide groove 6211 movably matched with the eccentric rotating shaft 6221 is provided on the sliding body 621. Guide slides 6212 are provided at both ends of the sliding body 621. The guide slides 6212 are slidably engaged in the slide grooves 6222 in the gear driving mechanism 622. The driving motor 623 drives the eccentric rotating shaft 6221 to rotate through the gear driving mechanism 622. The rotating eccentric rotating shaft 6221 cooperates with the driving guide groove 6211 to drive the sliding body 621 to reciprocate up and down. The reciprocating extrusion mechanism 62 is provided with a position detection sensor, which is connected to the induction control circuit 5 and is used to detect the position of the sliding body 621 or the eccentric rotating shaft 6221. The position detection sensor can be a magnetic Hall induction switch, a proximity switch or a photoelectric switch. The sliding body 621 and the nozzle clamp 61 can be designed as an integral structure connected together. The battery 624 can be a rechargeable battery or a dry battery.

[0042] A cover plate 7 is provided below the liquid outlet nozzle 32 . The cover plate 7 is provided with a sensing window and a liquid outlet corresponding to the sensing area of ​​the sensing control circuit 5 . The liquid outlet is provided below the liquid outlet nozzle 32 .

[0043] A detachable upper cover 8 is provided on the outer side of the anti-loosening locking component 4, the induction control circuit 5 and the automatic pressing liquid outlet component 6. The upper cover 8 is fixed to the mounting base 1 by a movable hook connection. The upper cover 8 is provided with a display window corresponding to the position of the indicator light in the induction control circuit 5. An anti-loosening locking buckle can be further provided at the movable hook connection position.

[0044] A detachable tray 9 is provided at the lower end of the mounting base 1, and the upper end of the tray 9 is fixed to the lower end of the mounting base 1 by a movable hook; a mounting hanging hole 11 is provided on the back of the mounting base 1, and the mounting hanging hole 11 is correspondingly connected to the hook 101 in the mounting plate 10; a decorative base plate can also be provided on the back of the mounting base 1.

[0045] According to the above-mentioned working method of a wall-mounted intelligent soap liquid dispensing hand washing machine, the following steps are included:

[0046] S1, state detection: the induction control circuit 5 detects whether the position signals of the anti-loosening locking component 4 and the reciprocating extrusion mechanism 62 are normal; an alarm signal is issued when the signal is abnormal;

[0047] S2, induction detection: the induction control circuit 5 detects whether there is an object approaching the sensing area;

[0048] S3, automatic squeezing: the state detects that the signal is normal, and the induction control circuit 5 detects that an object is approaching the sensing area, and controls the reciprocating squeezing mechanism 62 to squeeze the liquid nozzle 32 so that the liquid in the hand soap container 3 is sprayed downward. The reciprocating squeezing times of the reciprocating squeezing mechanism 62 can be set.

[0049] When the present invention is used, the machine is in a standby detection state after being turned on. When the hand approaches the sensing window, the sensing control circuit 5 detects a signal and controls the reciprocating extrusion mechanism 62 to move and squeeze out the liquid nozzle 32 so that the liquid in the hand sanitizer container 3 is sprayed downward. The number of reciprocating extrusions of the reciprocating extrusion mechanism 62 can be set as needed. It can automatically spray once or multiple times after sensing once, and can accurately and quantitatively output. It is easy to use and has a good experience effect. After the hand sanitizer in the hand sanitizer container 3 is used up, a new hand sanitizer container 3 is replaced and installed in place for continued use.

[0050] The above description is only a specific implementation mode of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made by using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A wall-mounted intelligent soap dispensing hand washing machine, comprising a mounting base (1) and a container bracket (2), wherein the container bracket (2) is fixed on the mounting base (1) for supporting and placing a hand washing liquid container (3), characterized in that: An anti-loosening locking component (4), an induction control circuit (5) and an automatic liquid-discharging pressing component (6) are provided on the mounting base (1) at the lower side of the container bracket (2); the anti-loosening locking component (4) is used to lock and secure the bottle cap (31) in the hand-washing liquid container (3); the automatic liquid-discharging pressing component (6) comprises a nozzle clamping seat (61) and a reciprocating extrusion mechanism (62); the nozzle clamping seat (61) is used to clamp the liquid-discharging nozzle (32) in the hand-washing liquid container (3); the reciprocating extrusion mechanism (62) is used to reciprocate up and down to squeeze the liquid-discharging nozzle (32); after the induction control circuit (5) detects that an object is approaching the induction area, it controls the reciprocating extrusion mechanism (62) to squeeze the liquid-discharging nozzle (32) so that the liquid in the hand-washing liquid container (3) is sprayed downward; the anti-loosening locking component (4) comprises a fixed clamping seat (41) and a movable rotary clamping seat (42), the fixed clamping seat (41) and the movable rotating clamping seat (42) are concentrically sleeved together, a spring installation groove (411) is provided in the fixed clamping seat (41), a spring (43) is provided in the spring installation groove (411), the spring (43) pushes the movable rotating clamping seat (42) to rotate around its own axis, and a buckle (421) that movably cooperates with the limiting step (311) at the bottle cover part (31) is provided on the inner side of the movable rotating clamping seat (42); under the push of the spring (43), the buckle (421) presses the limiting step (311) to prevent the hand soap container (3) from being pulled out upwards, and after pressing the handle (422) on the movable rotating clamping seat (42) to compress the spring (43), the buckle (421) is separated from the limiting step (311) so that the hand soap container (3) can be pulled out.

2. A wall-mounted intelligent soap dispensing hand-washing machine according to claim 1, characterized in that: The anti-loosening locking component (4) is provided with a detection device (44) for detecting whether the hand sanitizer container (3) is installed and fixed in place, and the detection device (44) is connected to the induction control circuit (5) for control; the detection device (44) is a non-contact induction sensor.

3. A wall-mounted intelligent soap dispensing hand-washing machine according to claim 1, characterized in that: The nozzle clamp seat (61) comprises a snap-fit ​​base (611) and a rotating snap plate (612), one end of the rotating snap plate (612) is hinged on the snap-fit ​​base (611), a detachable fastener (63) is provided between the other end of the rotating snap plate (612) and the snap-fit ​​base (611), and an upper snap groove (6121) and a lower snap groove (6111) for snapping and locking the bottle cap portion (31) of the hand sanitizer container (3) are also provided between the rotating snap plate (612) and the snap-fit ​​base (611).

4. A wall-mounted intelligent soap dispensing hand-washing machine according to claim 1, characterized in that: The reciprocating extrusion mechanism (62) comprises a sliding body (621), a gear driving mechanism (622), a driving motor (623) and a battery (624); the sliding body (621) is connected to the nozzle clamp (61); a gear transmission assembly is provided in a housing of the gear driving mechanism (622); an eccentric rotating shaft (6221) is provided at the output end of the gear transmission assembly; a driving guide groove (623) movably matched with the eccentric rotating shaft (6221) is provided on the sliding body (621); 211), guide slides (6212) are provided at both ends of the sliding body (621), and the guide slides (6212) are slidably engaged in the slide grooves (6222) in the gear driving mechanism (622); the driving motor (623) drives the eccentric rotating shaft (6221) to rotate through the gear driving mechanism (622), and the rotating eccentric rotating shaft (6221) cooperates with the driving guide groove (6211) to drive the sliding body (621) to reciprocate up and down.

5. A wall-mounted intelligent soap dispensing hand-washing machine according to claim 4, characterized in that: The reciprocating extrusion mechanism (62) is provided with a position detection sensor, which is connected to the induction control circuit (5) for detecting the position of the sliding body (621) or the eccentric rotating shaft (6221).

6. A wall-mounted intelligent soap dispensing hand-washing machine according to claim 1, characterized in that: A cover plate (7) is provided below the liquid outlet nozzle (32), and a sensing window and a liquid outlet corresponding to the sensing area of ​​the sensing control circuit (5) are provided on the cover plate (7), and the liquid outlet is provided below the liquid outlet nozzle (32).

7. A wall-mounted intelligent soap dispensing hand-washing machine according to claim 1, characterized in that: A detachable upper cover (8) is provided on the outer sides of the anti-loosening locking component (4), the induction control circuit (5) and the automatic liquid-discharging component (6), and the upper cover (8) is fixed to the mounting base (1) via a movable hook connection.

8. The wall-mounted intelligent soap dispensing hand-washing machine according to claim 1, characterized in that: A detachable tray (9) is provided at the lower end of the mounting base (1), and the upper end of the tray (9) is connected and fixed to the lower end of the mounting base (1) via a movable hook; a mounting hanging hole (11) is provided on the back of the mounting base (1), and the mounting hanging hole (11) is correspondingly connected to a hook (101) in the mounting plate (10).

9. The working method of the wall-mounted intelligent soap dispensing hand-washing machine according to claim 1, characterized in that: The steps include: S1, state detection: the induction control circuit (5) detects whether the position signals of the anti-loosening locking component (4) and the reciprocating extrusion mechanism (62) are normal; S2, induction detection: the induction control circuit (5) detects whether there is an object approaching the induction area; S3, automatic squeezing: the state detects that the signal is normal, and the sensing control circuit (5) detects that an object is approaching the sensing area, and controls the reciprocating squeezing mechanism (62) to squeeze the liquid nozzle (32) so that the liquid in the hand soap container (3) is sprayed downward. The number of up and down reciprocating squeezing times of the reciprocating squeezing mechanism (62) can be set.

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