Hand washing sink cleaning device for hospital infection control

Abstract

The invention relates to the technical field of hospital infection control, in particular to a hand washing sink cleaning device for hospital infection control, which comprises a hand washing sink body, the bracket is fixedly mounted on the top surface of the hand washing sink body; the driving screw rod is rotationally mounted at the top end of the bracket; the guide rod is fixedly mounted at the top end of the bracket; the servo motor is fixedly installed on the side face of the support, and the output end of the servo motor is fixedly connected with the end of the driving screw. Compared with the prior art, the servo motor drives the driving screw rod to rotate, then the guide block and the supporting plate are driven to slide along the guide rod, automatic movement of the supporting plate is achieved, the operation process is simplified through the design, the working efficiency is improved, and meanwhile when the supporting plate moves to the end of the driving screw rod, the supporting plate can be moved to the end of the driving screw rod. When the hand washing sink is used, the supporting plate can be rotated to a vertical state under the action of the inclined rod, storage is achieved, space is effectively saved through the design, and the situation that normal use of the hand washing sink is affected when the supporting plate is horizontally placed is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of hospital infection control, in particular to a hand-washing sink cleaning device for hospital infection control. Background Art

[0002] Wash basins, also commonly known as wash basins or wash basins, are common sanitary facilities in areas where hand washing is required. Its main function is to provide a platform for people to wash their hands, faces or other cleaning activities, and to be equipped with a corresponding drainage system to handle the used water.

[0003] After searching, a Chinese patent with publication number CN219335265U discloses a washing basin cleaning device for hospital infection management, including a washing basin, a faucet is fixedly provided on one side of the upper end of the washing basin, a connecting pipe is fixedly provided on the lower end of the faucet, a cleaning mechanism is fixedly provided on the upper end of the washing basin on one side of the faucet, and the cleaning mechanism includes a fixing frame, a hose, a high-pressure nozzle, a control valve, a centrifugal pump, and a suction tube. A fixing frame is fixedly provided on one side of the faucet on the upper end of the washing basin, a hose is provided inside the fixing frame, a high-pressure nozzle is fixedly provided on the upper end of the hose, and a control valve is fixedly provided on the lower end of the connecting pipe. The utility model has good use effect. Through the cleaning structure, the high-pressure nozzle can spray a high-pressure water column, and cooperate with the cleaning staff to clean the dead corners and gaps of the washing basin, thereby improving the use effect of the device. However, when the scheme is actually used, there are still the following shortcomings:

[0004] In the process of daily cleaning and maintenance of wash basins, in order to avoid cross infection and ensure public health standards, staff usually take the step of spraying disinfectant cleaning liquid to kill bacteria, viruses and other microorganisms. However, the current commonly used disinfectant cleaning liquid spraying method is mostly manual operation by staff, which is not only inefficient, but also difficult to ensure the uniformity and comprehensiveness of the spraying. Since manual spraying often relies on the experience and attention of staff, it is easy to miss or dead corners during the spraying process, especially the edges, corners and hard-to-reach areas of the wash basin, which are often hotbeds for bacteria to grow.

[0005] Therefore, the present application provides a hand-washing sink cleaning device for hospital infection control. Summary of the invention

[0006] In view of this, the object of the present invention is to provide a hand-washing sink cleaning device for hospital infection control to solve the problem of low efficiency of manually spraying disinfectant cleaning liquid.

[0007] Based on the above purpose, the present invention provides a hand washing sink cleaning device for hospital infection control, comprising:

[0008] Wash basin body;

[0009] A bracket, fixedly mounted on the top surface of the wash basin body;

[0010] A driving screw is rotatably mounted on the top end of the bracket;

[0011] A guide rod, fixedly mounted on the top of the bracket;

[0012] A servo motor is fixedly mounted on a side of the bracket, and an output end of the servo motor is fixedly connected to an end of the driving screw;

[0013] A guide block is slidably mounted on the guide rod, and the guide block is threadedly connected to the driving screw rod;

[0014] A support assembly, arranged on the top surface of the guide block;

[0015] A transmission assembly, arranged on the support assembly;

[0016] A liquid storage tank, fixedly mounted on the bottom surface of the wash basin body;

[0017] The pump fluid assembly is arranged at one end of the bracket away from the servo motor.

[0018] Preferably, the support assembly comprises:

[0019] A fixing frame, fixedly mounted on the top surface of the guide block;

[0020] A rotating shaft is rotatably mounted on the inner side of the fixing frame, and one end of the rotating shaft passes through the fixing frame;

[0021] A support plate, fixedly sleeved on the rotating shaft;

[0022] A torsion spring, mounted on one end of the rotating shaft located outside the fixing frame;

[0023] A liquid supply pipe, arranged on the top surface of the support plate;

[0024] A plurality of nozzles are arranged in a linear array and distributed on the bottom surface of the support plate;

[0025] A plurality of liquid dispensing tubes are arranged in a linear array on the bottom surface of the support plate, and the top ends of the liquid dispensing tubes are connected to the liquid supply tube;

[0026] A connecting hose is arranged between the liquid dispensing pipe and the nozzle, and two ends of the connecting hose are respectively connected with the liquid dispensing pipe and the nozzle;

[0027] Two oblique rods are symmetrically fixedly mounted on the two ends of the bracket, and the oblique rods are adapted to the support plates.

[0028] Preferably, the liquid dispensing tube is made of hard plastic, and both ends of the torsion spring are fixedly connected to the rotating shaft and the fixing frame respectively.

[0029] Preferably, the transmission assembly comprises:

[0030] A plurality of driven wheels are rotatably mounted on the top surface of the support plate in a linear array distribution;

[0031] A synchronous belt, mounted on a plurality of the driven wheels;

[0032] A plurality of support rods are rotatably mounted on the bottom surface of the support plate in a linear array distribution, and the top ends of the support rods are fixedly connected to the bottom surface of the driven wheel;

[0033] A plurality of support rings are respectively fixedly mounted on the bottom ends of a plurality of the support rods, and the nozzles are rotatably connected to the inner walls of the support rings;

[0034] A transmission gear is fixedly mounted on the top surface of one of the driven wheels located at the end of the plurality of driven wheels;

[0035] A fixed rack is fixedly mounted on the top of the bracket, and the transmission gear is meshed with the fixed rack.

[0036] Preferably, the support rod is arranged obliquely.

[0037] Preferably, the pump assembly comprises:

[0038] A sealing cylinder, fixedly mounted on a side of the bracket;

[0039] The piston plate is slidably mounted on the inner wall of the sealing cylinder through a sliding groove and a sliding block;

[0040] A reciprocating screw is rotatably mounted on the inner bottom surface of the sealing cylinder, the top end of the reciprocating screw passes through the top surface of the sealing cylinder, and the reciprocating screw is screwed to the piston plate;

[0041] A driven bevel gear, fixedly mounted on the top end of the reciprocating screw;

[0042] A linkage shaft is rotatably mounted on a side of the bracket, and an end of the linkage shaft is fixedly connected to an end of the driving screw;

[0043] A driving bevel gear is fixedly mounted on the end of the linkage shaft, and the driving bevel gear is meshed with the driven bevel gear;

[0044] A liquid inlet seat, which is arranged on the outer wall of the sealing cylinder and is in communication with the sealing cylinder;

[0045] The liquid outlet seat is arranged on the bottom surface of the sealing cylinder, and the liquid outlet seat is communicated with the sealing cylinder.

[0046] Preferably, a connecting pipe is provided between the liquid inlet seat and the liquid storage tank, and a conduit is provided between the liquid outlet seat and the liquid supply pipe.

[0047] Preferably, one-way valves with opposite flow directions are arranged inside the liquid inlet seat and the liquid outlet seat.

[0048] Preferably, one end of the support plate away from the fixing frame at least extends to the outside of the wash basin body.

[0049] Preferably, a disinfectant cleaning liquid is provided inside the liquid storage tank, and a liquid adding pipe is provided on the side of the liquid storage tank.

[0050] Beneficial effects of the present invention:

[0051] 1. This kind of wash basin cleaning device for hospital infection control, by setting a driving screw and a supporting assembly, drives the driving screw to rotate through a servo motor, and then drives the guide block and the support plate to slide along the guide rod, thereby realizing the automatic movement of the support plate. This design not only simplifies the operation process, but also improves work efficiency. At the same time, when the support plate moves to the end of the driving screw, the support plate can be rotated to a vertical state through the action of the inclined rod to achieve storage. This design effectively saves space and avoids affecting the normal use of the wash basin when the support plate is placed horizontally.

[0052] 2. This kind of wash basin cleaning device for hospital infection control is provided with a transmission component. When the support plate slides, it is driven by the transmission component to make the nozzle move in a circular motion, thereby realizing all-round spraying of the disinfectant cleaning liquid. This design ensures that the disinfectant cleaning liquid can be evenly covered on the surface of the wash basin, and because the nozzle can cover a larger area during the circular motion, the spraying range is wide, thereby improving the disinfection and cleaning effect.

[0053] 3. This kind of wash basin cleaning device for hospital infection control, by setting up a liquid storage tank and a pumping assembly, drives the piston plate to slide back and forth along the inner wall of the sealing cylinder through the rotation of the reciprocating screw, thereby realizing efficient pumping of the disinfectant cleaning liquid in the liquid storage tank. This design not only improves the pumping efficiency, but also ensures the stability and continuity of the pumping. The pumping process is combined with the drive of the servo motor to realize automatic control. This design simplifies the operating process and reduces the complexity of manual intervention. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0055] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0056] Figure 2 This is a schematic diagram of the support structure of the present invention;

[0057] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0058] Figure 4 for Figure 2 Another perspective structural diagram of;

[0059] Figure 5 for Figure 4 The enlarged structural diagram at B in the middle;

[0060] Figure 6 It is a schematic diagram of the structure of the pump liquid component of the present invention.

[0061] The markings in the figure are:

[0062] 1. Wash basin body; 2. Bracket; 3. Drive screw; 4. Guide rod; 5. Servo motor; 6. Guide block; 71. Fixed frame; 72. Rotating shaft; 73. Support plate; 74. Torsion spring; 75. Liquid supply pipe; 76. Nozzle; 77. Liquid distribution pipe; 78. Connecting hose; 79. Inclined rod; 81. Driven wheel; 82. Synchronous belt; 83. Support rod; 84. Support ring; 85. Transmission gear; 86. Fixed rack; 9. Liquid storage tank; 101. Sealing cylinder; 102. Piston plate; 103. Reciprocating screw; 104. Driven bevel gear; 105. Linkage shaft; 106. Driving bevel gear; 107. Liquid inlet seat; 108. Liquid outlet seat; 11. Connecting pipe; 12. Conduit. DETAILED DESCRIPTION

[0063] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0064] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0065] like Figures 1 to 6 As shown, a hand-washing sink cleaning device for hospital infection control includes a hand-washing sink body 1; a bracket 2, fixedly mounted on the top surface of the hand-washing sink body 1; a driving screw 3, rotatably mounted on the top of the bracket 2; a guide rod 4, fixedly mounted on the top of the bracket 2; a servo motor 5, fixedly mounted on the side of the bracket 2, and the output end of the servo motor 5 is fixedly connected to the end of the driving screw 3; a guide block 6, slidably sleeved on the guide rod 4, and the guide block 6 is screwed to the driving screw 3; a support assembly, arranged on the top surface of the guide block 6; a transmission assembly, arranged on the support assembly; a liquid storage tank 9, fixedly mounted on the bottom surface of the hand-washing sink body 1, the interior of the liquid storage tank 9 is provided with a disinfectant cleaning liquid, and a liquid filling pipe is arranged on the side of the liquid storage tank 9; a pump liquid assembly, arranged at one end of the bracket 2 away from the servo motor 5;

[0066] During use, the staff can start the servo motor 5 to drive the driving screw 3 to rotate. The guide block 6 is slidably connected to the guide rod 4 and is threadedly connected to the driving screw 3. Therefore, when the driving screw 3 rotates, it can drive the guide block 6 to slide along the guide rod 4, thereby driving the support assembly to move. During the movement of the support assembly, the disinfectant cleaning liquid in the liquid storage tank 9 can be sprayed out and evenly covered on the surface of the wash basin body 1 through the cooperation of the transmission assembly and the pump liquid assembly, thereby achieving spray disinfection on the surface of the wash basin body 1 and facilitating subsequent cleaning by the staff.

[0067] like Figure 3 , Figure 4 , Figure 5As shown, the support assembly includes: a fixing frame 71, fixedly mounted on the top surface of the guide block 6; a rotating shaft 72, rotatably mounted on the inner side of the fixing frame 71, and one end of the rotating shaft 72 passes through the fixing frame 71; a support plate 73, fixedly sleeved on the rotating shaft 72, and one end of the support plate 73 away from the fixing frame 71 at least extends to the outside of the wash basin body 1; a torsion spring 74, sleeved on one end of the rotating shaft 72 located outside the fixing frame 71, and the two ends of the torsion spring 74 are respectively fixedly connected to the rotating shaft 72 and the fixing frame 71; a liquid supply pipe 75, arranged on the support plate 73 The top surface of the support plate 73; a plurality of nozzles 76 are arranged on the bottom surface of the support plate 73 in a linear array; a plurality of liquid dispensing tubes 77 are arranged on the bottom surface of the support plate 73 in a linear array, and the top of the liquid dispensing tube 77 is connected to the liquid supply tube 75, and the liquid dispensing tube 77 is made of hard plastic; a connecting hose 78 is arranged between the liquid dispensing tube 77 and the nozzle 76, and the two ends of the connecting hose 78 are respectively connected to the liquid dispensing tube 77 and the nozzle 76; two inclined rods 79 are symmetrically fixedly installed at the two ends of the bracket 2, and the inclined rods 79 are adapted to the support plate 73;

[0068] When the driving screw 3 rotates, it can drive the guide block 6 and the fixing frame 71 to slide along the guide rod 4. During the sliding of the support plate 73 along with the guide block 6, the nozzle 76 at the bottom thereof can rotate, and the disinfecting cleaning liquid in the liquid storage tank 9 can enter the liquid supply pipe 75, and enter the liquid distribution pipe 77 and the connecting hose 78 through the liquid supply pipe 75, and then be sprayed out through the nozzle 76. When the guide block 6 moves to the end of the driving screw 3, the support plate 73 can contact the inclined rod 79. Under the action of the inclined rod 79, the support plate 73 can be rotated through the rotating shaft 72, so that the support plate 73 can finally be rotated to a vertical state, thereby realizing storage, and avoiding the horizontal placement of the support plate 73 affecting the normal use of the wash basin body 1.

[0069] like Figure 2 , Figure 3 , Figure 4 As shown, the transmission assembly includes: a plurality of driven wheels 81, which are rotatably mounted on the top surface of the support plate 73 in a linear array; a synchronous belt 82, which is sleeved on the plurality of driven wheels 81; a plurality of support rods 83, which are rotatably mounted on the bottom surface of the support plate 73 in a linear array, and the top of the support rod 83 is fixedly connected to the bottom surface of the driven wheel 81, and the support rod 83 is inclined; a plurality of support rings 84, which are respectively fixedly mounted on the bottom ends of the plurality of support rods 83, and the nozzle 76 is rotatably connected to the inner wall of the support ring 84; a transmission gear 85, which is fixedly mounted on the top surface of a driven wheel 81 at the end of the plurality of driven wheels 81; a fixed rack 86, which is fixedly mounted on the top end of the bracket 2, and the transmission gear 85 is meshed with the fixed rack 86;

[0070] When the support plate 73 slides along the guide rod 4 with the guide block 6, the support plate 73 is in a horizontal state. At this time, the transmission gear 85 is meshed with the fixed rack 86, thereby driving the transmission gear 85 to rotate, and driving a plurality of support rods 83 to rotate through the driven wheel 81 and the synchronous belt 82. Since the support rods 83 are arranged at an angle, the nozzle 76 can be driven to perform a circular motion, so that the nozzle 76 can spray the disinfectant cleaning liquid to a large extent, ensuring that the disinfectant cleaning liquid can cover the wash basin body 1 in all directions.

[0071] like Figure 4 , Figure 6 As shown, the pump liquid assembly includes: a sealing cylinder 101, fixedly mounted on the side of the bracket 2; a piston plate 102, slidably mounted on the inner wall of the sealing cylinder 101 through a slide groove and a slider; a reciprocating screw 103, rotatably mounted on the inner bottom surface of the sealing cylinder 101, the top of the reciprocating screw 103 passes through the top surface of the sealing cylinder 101, and the reciprocating screw 103 is screwed with the piston plate 102; a driven bevel gear 104, fixedly mounted on the top of the reciprocating screw 103; a linkage shaft 105, rotatably mounted on the side of the bracket 2, and the end of the linkage shaft 105 is fixedly connected to the end of the driving screw 3; the driving The bevel gear 106 is fixedly mounted on the end of the linkage shaft 105, and the driving bevel gear 106 is meshed with the driven bevel gear 104; the liquid inlet seat 107 is arranged on the outer wall of the sealing cylinder 101, and the liquid inlet seat 107 is communicated with the sealing cylinder 101, and a connecting pipe 11 is arranged between the liquid inlet seat 107 and the liquid storage tank 9; the liquid outlet seat 108 is arranged on the bottom surface of the sealing cylinder 101, and the liquid outlet seat 108 is communicated with the sealing cylinder 101, and a guide tube 12 is arranged between the liquid outlet seat 108 and the liquid supply pipe 75, and one-way valves with opposite flow directions are arranged inside the liquid inlet seat 107 and the liquid outlet seat 108;

[0072] When the servo motor 5 drives the driving screw 3 to rotate, the driving screw 3 can drive the driving bevel gear 106 to rotate through the linkage shaft 105, and the driving bevel gear 106 is meshed with the driven bevel gear 104, thereby driving the reciprocating screw 103 to rotate. Since the piston plate 102 is slidably connected to the inner wall of the sealing cylinder 101 through the sliding groove and the sliding block, and the piston plate 102 is screwed to the reciprocating screw 103, the reciprocating screw 103 can drive the piston plate 102 to slide back and forth along the inner wall of the sealing cylinder 101 when it rotates. During the reciprocating sliding of the piston plate 102, since the one-way valves with opposite flow directions are installed in the liquid inlet seat 107 and the liquid outlet seat 108, the disinfecting cleaning liquid in the liquid storage tank 9 can enter the sealing cylinder 101 through the connecting pipe 11 and the liquid inlet seat 107, and enter the liquid supply pipe 75 through the liquid outlet seat 108 and the conduit 12 for use, thereby realizing the pumping of the disinfecting cleaning liquid in the liquid storage tank 9.

[0073] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0074] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hand-washing sink cleaning device for hospital infection control, characterized in that: include: Wash basin body (1); A bracket (2) fixedly mounted on the top surface of the wash basin body (1); A driving screw (3) is rotatably mounted on the top end of the bracket (2); A guide rod (4) fixedly mounted on the top of the bracket (2); A servo motor (5) is fixedly mounted on a side of the bracket (2), and an output end of the servo motor (5) is fixedly connected to an end of the driving screw (3); A guide block (6) is slidably mounted on the guide rod (4), and the guide block (6) is threadedly connected to the driving screw rod (3); A support assembly, arranged on the top surface of the guide block (6); A transmission assembly, arranged on the support assembly; A liquid storage tank (9) fixedly mounted on the bottom surface of the wash basin body (1); A pump fluid assembly is arranged at an end of the bracket (2) away from the servo motor (5).

2. A hand-washing sink cleaning device for hospital infection control according to claim 1, characterized in that: The support assembly comprises: A fixing frame (71) fixedly mounted on the top surface of the guide block (6); A rotating shaft (72) is rotatably mounted on the inner side of the fixing frame (71), and one end of the rotating shaft (72) passes through the fixing frame (71); A support plate (73) fixedly sleeved on the rotating shaft (72); A torsion spring (74) is sleeved on one end of the rotating shaft (72) located outside the fixing frame (71); A liquid supply pipe (75) is arranged on the top surface of the support plate (73); A plurality of nozzles (76) are arranged in a linear array and distributed on the bottom surface of the support plate (73); A plurality of liquid dispensing tubes (77) are arranged in a linear array on the bottom surface of the support plate (73), and the top ends of the liquid dispensing tubes (77) are connected to the liquid supply tube (75); A connecting hose (78) is arranged between the liquid dispensing pipe (77) and the nozzle (76), and two ends of the connecting hose (78) are respectively connected to the liquid dispensing pipe (77) and the nozzle (76); Two oblique rods (79) are symmetrically fixedly mounted on the two ends of the bracket (2), and the oblique rods (79) are adapted to the support plate (73).

3. A hand-washing sink cleaning device for hospital infection control according to claim 2, characterized in that: The liquid dispensing tube (77) is made of hard plastic, and the two ends of the torsion spring (74) are fixedly connected to the rotating shaft (72) and the fixing frame (71) respectively.

4. A hand-washing sink cleaning device for hospital infection control according to claim 2, characterized in that: The transmission assembly comprises: A plurality of driven wheels (81) are rotatably mounted on the top surface of the support plate (73) in a linear array distribution; A synchronous belt (82) is sleeved on a plurality of the driven wheels (81); A plurality of support rods (83) are rotatably mounted on the bottom surface of the support plate (73) in a linear array distribution, and the top ends of the support rods (83) are fixedly connected to the bottom surface of the driven wheel (81); A plurality of support rings (84) are respectively fixedly mounted on the bottom ends of a plurality of the support rods (83), and the spray head (76) is rotatably connected to the inner wall of the support ring (84); A transmission gear (85) is fixedly mounted on the top surface of one of the driven wheels (81) at the end of the plurality of driven wheels (81); A fixed rack (86) is fixedly mounted on the top end of the bracket (2), and the transmission gear (85) is meshed with the fixed rack (86).

5. A hand-washing sink cleaning device for hospital infection control according to claim 4, characterized in that: The support rod (83) is arranged in an inclined manner.

6. A hand-washing sink cleaning device for hospital infection control according to claim 2, characterized in that: The pump assembly comprises: A sealing cylinder (101) fixedly mounted on a side surface of the bracket (2); The piston plate (102) is slidably mounted on the inner wall of the sealing cylinder (101) via a sliding groove and a sliding block; A reciprocating screw (103) is rotatably mounted on the inner bottom surface of the sealing cylinder (101), the top end of the reciprocating screw (103) passes through the top surface of the sealing cylinder (101), and the reciprocating screw (103) is screwed to the piston plate (102); A driven bevel gear (104) is fixedly mounted on the top end of the reciprocating screw (103); A linkage shaft (105) is rotatably mounted on a side of the bracket (2), and an end of the linkage shaft (105) is fixedly connected to an end of the driving screw rod (3); A driving bevel gear (106) is fixedly mounted on the end of the linkage shaft (105), and the driving bevel gear (106) is meshed with the driven bevel gear (104); A liquid inlet seat (107) is arranged on the outer wall of the sealing cylinder (101), and the liquid inlet seat (107) is in communication with the sealing cylinder (101); The liquid outlet seat (108) is arranged on the bottom surface of the sealing cylinder (101), and the liquid outlet seat (108) is in communication with the sealing cylinder (101).

7. A hand-washing sink cleaning device for hospital infection control according to claim 6, characterized in that: A connecting pipe (11) is provided between the liquid inlet seat (107) and the liquid storage tank (9), and a conduit (12) is provided between the liquid outlet seat (108) and the liquid supply pipe (75).

8. A hand-washing sink cleaning device for hospital infection control according to claim 7, characterized in that: One-way valves with opposite flow directions are arranged inside the liquid inlet seat (107) and the liquid outlet seat (108).

9. A hand-washing sink cleaning device for hospital infection control according to claim 2, characterized in that: One end of the support plate (73) away from the fixing frame (71) at least extends to the outside of the wash basin body (1).

10. A hand-washing sink cleaning device for hospital infection control according to claim 1, characterized in that: Disinfectant cleaning liquid is arranged inside the liquid storage box (9), and a liquid adding pipe is arranged on the side of the liquid storage box (9).

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