Pedal type hand washing pressing device

The foot-operated handwashing pump solves the problem of hand contact with contaminants in traditional handwashing methods, achieving efficient, convenient, and water-saving handwashing, reducing the risk of cross-contamination, and adapting to different cleaning needs.

CN223817467UActive Publication Date: 2026-01-23JIAXING AIER EYE HOSPITAL CO LTD
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Patent Information

Application Number
CN202520392360.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-01-23
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

Traditional handwashing methods rely on manual operation of control switches, which increases the chance of hands coming into contact with contaminants, resulting in incomplete handwashing and an inability to effectively reduce the number of bacteria on the hands, especially posing a risk of cross-contamination in medical environments.

Method used

A foot-operated handwashing pump device was designed. It controls the water flow and hand sanitizer supply by foot operation through a water tank, piston plate and water stop structure. It is equipped with a pressure regulating structure to regulate water pressure and a reset structure for easy reset.

Benefits of technology

It achieves efficient, convenient and water-saving handwashing function, reduces hand contact, lowers the risk of cross-contamination, adapts to different cleaning needs, and improves the flexibility and convenience of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pedal type hand washing pressing device which comprises a base, the two sides of the top of the base are respectively connected with a supporting frame, the tops of the supporting frames are connected with a top plate, a water tank is installed between the supporting frames, a piston plate is arranged in the water tank, and a pressure structure is arranged on the top of the water tank. And a reset structure is arranged between the pressure structure and the top plate. According to the pedal type hand washing pressing device, a pressure adjusting structure is particularly introduced into the device, so that a user can flexibly adjust the water pressure of water flow according to the hand washing requirement and the treading force. According to the design, the impulsive force of water flow can be changed, multi-gear adjustment of water pressure can be achieved, and therefore cleaning requirements in different scenes can be better met, and especially for stubborn stains on the hands, stronger water flow can be provided for effective cleaning.
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Description

Technical Field

[0001] This utility model relates to the technical field of handwashing pump devices, specifically a foot-operated handwashing pump device. Background Technology

[0002] In the healthcare field, handwashing is a crucial step in maintaining hygiene and preventing the spread of disease. Healthcare workers frequently come into contact with patients and their bodily fluids during their daily work, making hands one of the main routes of bacterial and viral transmission. Therefore, effective hand hygiene measures are essential for preventing hospital-acquired infections and protecting the health of patients and healthcare workers. However, traditional handwashing methods often rely on manually operated controls, which not only increases the chance of hands coming into contact with contaminants but may also lead to incomplete handwashing, thus failing to effectively reduce the number of bacteria on the hands.

[0003] To overcome these limitations, foot-operated handwashing devices were developed. These devices control the flow of water and hand sanitizer via foot operation, aiming to reduce hand contact and lower the risk of bacterial transmission. The core design utilizes the mechanical movement of a foot pedal to switch the hand sanitizer and water flow on and off. This design not only avoids direct hand contact with the switch, reducing the possibility of cross-contamination, but also improves the convenience and efficiency of handwashing, making it particularly suitable for frequent handwashing scenarios in medical environments.

[0004] When choosing hand sanitizer, saline solution offers unique advantages as an ideal alternative. Saline solution is an isotonic solution with an osmotic pressure similar to human body fluids, preventing excessive dehydration or edema of skin cells. Compared to regular soap or disinfectants, saline solution is less irritating to the skin, making it especially suitable for sensitive skin or those with minor abrasions. In medical settings, healthcare workers' hands are frequently exposed to disinfectants and chemicals, easily leading to dry and damaged skin. Washing hands with saline solution not only effectively removes dirt and bacteria but also maintains skin hydration, reducing skin damage.

[0005] Furthermore, saline solution offers significant hygiene advantages when treating wounds or performing aseptic procedures. It can further reduce the number of bacteria on hands, lowering the risk of infection. For example, healthcare professionals may use saline solution to wash their hands to ensure sterility when treating burns, trauma, or preparing for surgery.

[0006] To address the aforementioned issues, a portable pressing device with innovative design based on existing pressing devices is needed. Utility Model Content

[0007] This utility model provides a foot-operated handwashing press device, which provides a movable press device.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a foot-operated handwashing pump device, comprising a base, a support frame connected to each of the top two sides of the base, a top plate connected to the top of the support frame, and a water tank installed between the support frames. A piston plate is provided inside the water tank, and a pressure structure is provided on the top of the water tank. A reset structure is provided between the pressure structure and the top plate. A water supply pipe is connected to the bottom of the water tank, and a water-stopping structure sleeved on the outside of the water supply pipe is connected to the support frame. A movable frame is installed on the support frame, and a water basin and a spray head are connected to the movable frame. A wastewater tank installed on the top of the base is connected to the bottom of the water basin via a pipe.

[0009] Preferably, the pressure structure includes a pressure-applying part and a control part. The pressure-applying part includes a support plate, a rod, a groove, a counterweight, a cylinder, and a return spring. A support plate is connected to each side of the top of the water tank, and at least three rods are slidably connected through each support plate at equal intervals. The end of each rod near the center of the water tank is located in a corresponding groove, and the groove is opened on both sides of the corresponding at least three counterweights. The other end of each rod is located in a corresponding cylinder, and the cylinder is installed on the end face of the support plate away from the water tank. A return spring is connected between each cylinder and the rod.

[0010] Preferably, the control unit includes a hose, a first liquid channel, a first liquid tank, a first return spring, and a first pressing block. Each support frame has at least three first liquid channels with respect to the number of cylinders. Each first liquid channel on two support frames is connected to a hose at one end, and the hoses are connected to the cylinders near the support plate in pairs with respect to the first liquid channels. The other ends of the corresponding first liquid channels on the support frames are connected to three corresponding first liquid tanks, and the first liquid tanks are opened on the base. Each first liquid tank is connected to a first return spring, and each first return spring is connected to a first pressing block at its end. The ends of the first pressing blocks all penetrate the top of the base.

[0011] Preferably, the reset structure includes a connecting rod, a movable pulley, a pull rope, and a fixed pulley. The piston plate is connected to the top of the connecting rod, and the movable pulley is installed at the upper end of the connecting rod. The movable pulley is connected to the pull rope, and one end of the pull rope is connected to one side of the bottom of the top plate. The other side of the bottom of the top plate is equipped with a fixed pulley, and the other end of the pull rope passes through the fixed pulley and is connected to a pull ring.

[0012] Preferably, the water-stopping structure includes a ring frame, a groove, a contact spring, a contact rod, a second liquid channel, a second liquid trough, a second return spring, and a second pressing block. The ring frame is installed inside the support frame, and the water supply pipe passes through the ring frame from top to bottom. A groove is opened in the ring frame near the side connected to the support frame. The contact spring is connected in the groove, and the end of the contact spring is connected to a contact rod. The end of the contact rod passes through the groove and presses against the outer wall of the water supply pipe. The groove is connected to the second liquid channel, which is opened on the ring frame and the corresponding support frame and base. The second liquid channel is connected to the second liquid trough, which is opened on the base. The second return spring is connected in the second liquid trough, and the end of the second return spring is connected to the second pressing block, the upper end of which passes through the top of the base.

[0013] Compared with existing technologies, the beneficial effects of this utility model are as follows: This foot-operated handwashing pump device, through the design of a water tank, piston plate, and water-stopping structure, achieves efficient, convenient, and water-saving handwashing functions. The device mainly consists of a water tank, piston plate, water-stopping structure, and pressure regulating structure. During use, the user only needs to perform a simple foot-operated action to control the release and compression of the water supply pipe. Specifically, when the user presses the pedal, the water supply pipe is released, allowing water to flow smoothly for handwashing; when the user leaves and releases the pedal after use, the device automatically resets, compressing the water supply pipe and immediately shutting off the water flow, effectively avoiding water waste.

[0014] Furthermore, this device incorporates a pressure regulation structure, significantly enhancing its flexibility and adaptability. For example, when washing hands with water or alcohol-based cleaning agents in the tank, users can adjust the pressure by installing corresponding counterweights to meet their specific needs. Users simply step on the pressure mechanism to control the number of counterweights applied to the piston plate, thus achieving multi-level water pressure adjustment. This design precisely changes the pressure applied by the piston plate to the liquid in the tank, flexibly regulating the water pressure to better suit cleaning needs in different scenarios.

[0015] The device also features a reset mechanism, similar to a movable pulley, which allows for easy and effortless reset of the piston plate and pressure structure. This design not only enhances ease of use but also facilitates water tank replenishment and routine maintenance. Attached Figure Description

[0016] Figure 1 This is a frontal cross-sectional view of the present invention.

[0017] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0018] Figure 3This utility model Figure 1 Enlarged structural diagram at point B;

[0019] Figure 4 This is a front view structural diagram of the present invention;

[0020] Figure 5 This is a side view of the structure of this utility model;

[0021] Figure 6 This is a top view of the second liquid flow channel of this utility model.

[0022] In the diagram: 1. Base; 2. Support frame; 3. Top plate; 4. Water tank; 5. Piston plate; 6. Pressure structure; 601. Support plate; 602. Insert rod; 603. Groove; 604. Counterweight; 605. Cylinder; 606. Return spring; 607. Hose; 608. First liquid channel; 609. First liquid tank; 610. First return spring; 611. First pressing block; 7. Return structure; 70 1. Connecting rod; 702. Movable pulley; 703. Pull rope; 704. Fixed pulley; 8. Water supply pipe; 9. Water-stopping structure; 901. Ring frame; 902. Tank body; 903. Abutment spring; 904. Abutment rod; 905. Second liquid flow channel; 906. Second liquid tank; 907. Second return spring; 908. Second pressing block; 10. Movable frame; 11. Water basin; 12. Spray head; 13. Wastewater tank. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-6This utility model provides a technical solution: a foot-operated handwashing press device, including a base 1, a support frame 2, a top plate 3, a water tank 4, a piston plate 5, a pressure structure 6, a bracket plate 601, an insert rod 602, a groove 603, a counterweight block 604, a cylinder 605, a return spring 606, a hose 607, a first liquid channel 608, a first liquid trough 609, a first return spring 610, a first pressing block 611, a reset structure 7, a connecting rod 701, a movable pulley 702, a pull rope 703, a fixed pulley 704, a water supply pipe 8, a water-stopping structure 9, a ring frame 901, a trough 902, a contact spring 903, a contact rod 904, a second liquid channel 905, a second liquid trough 906, and a second return spring. The base 1 has a spring 907, a second pressing block 908, a movable frame 10, a water basin 11, a spray head 12, and a wastewater tank 13. A support frame 2 is connected to each of the top two sides of the base 1, and a top plate 3 is connected to the top of the support frame 2. A water tank 4 is installed between the support frames 2. A piston plate 5 is installed inside the water tank 4, and a pressure structure 6 is installed on the top of the water tank 4. A reset structure 7 is installed between the pressure structure 6 and the top plate 3. A water supply pipe 8 is connected to the bottom of the water tank 4, and a water-stopping structure 9 is connected to the outside of the support frame 2 and fitted onto the water supply pipe 8. A movable frame 10 is installed on the support frame 2, and a water basin 11 and a spray head 12 are connected to the movable frame 10. The bottom of the water basin 11 is connected to the wastewater tank 13 installed on the top of the base 1 via a pipe.

[0025] It should be noted that the water tank of the aforementioned handwashing pump can be filled with saline solution, tap water, alcohol, etc., allowing for the use of different liquids such as saline solution or tap water for handwashing as needed. The wastewater tank 13 allows the device to be moved to different usage scenarios and can collect used wastewater.

[0026] The water flow mentioned in the text refers to the flow of liquid in the water tank, and does not specifically refer to the flow of tap water.

[0027] Because the water pressure directly affects the force of the water flow during rinsing, it affects the handwashing effect. Especially for stubborn stains on the hands, a fixed water pressure may not achieve the desired cleaning effect.

[0028] In one specific embodiment, a pressure structure is further provided to adjust the pressure of the flowing liquid as needed. The pressure structure 6 includes a pressure-applying part and a control part. The pressure-applying part includes a support plate 601, a rod 602, a groove 603, a counterweight 604, a cylinder 605, and a return spring 606. A support plate 601 is connected to each of the two sides of the top of the water tank 4, and at least three rods 602 are slidably connected through each support plate 601 at equal intervals. The end of each rod 602 near the center of the water tank 4 is located in the corresponding groove 603, and the groove 603 is opened on both sides of the corresponding at least three counterweights 604. The other end of each rod 602 is located in the corresponding cylinder 605, and the cylinder 605 is installed on the end face of the support plate 601 away from the water tank 4. A return spring 606 is connected between each cylinder 605 and the rod 602.

[0029] The control unit includes a hose 607, a first liquid channel 608, a first liquid tank 609, a first return spring 610, and a first pressing block 611. Each support frame 2 has at least three first liquid channels 608 about the cylinder 605. Each first liquid channel 608 on the two support frames 2 is connected to a hose 607 at one end. The hoses 607 are connected to the cylinder 605 near the support plate 601 in pairs about the first liquid channels 608. The other ends of the corresponding first liquid channels 608 on the support frame 2 are connected to three corresponding first liquid tanks 609. The first liquid tanks 609 are opened on the base 1. Each first liquid tank 609 is connected to a first return spring 610. Each first return spring 610 is connected to a first pressing block 611 at its end. The ends of the first pressing blocks 611 all penetrate the top of the base 1.

[0030] The reset structure 7 includes a connecting rod 701, a movable pulley 702, a pull rope 703, and a fixed pulley 704. The connecting rod 701 is connected to the top of the piston plate 5, and the movable pulley 702 is installed on the upper end of the connecting rod 701. The pull rope 703 is connected to the movable pulley 702, and one end of the pull rope 703 is connected to one side of the bottom of the top plate 3. The fixed pulley 704 is installed on the other side of the bottom of the top plate 3, and the other end of the pull rope 703 passes through the fixed pulley 704 and is connected to a pull ring.

[0031] The water-stopping structure 9 includes a ring frame 901, a groove 902, abutment spring 903, abutment rod 904, a second liquid flow channel 905, a second liquid tank 906, a second return spring 907, and a second pressing block 908. The ring frame 901 is installed inside the support frame 2, and the water supply pipe 8 passes through the ring frame 901 from top to bottom. A groove 902 is opened inside the ring frame 901 near the side connected to the support frame 2. An abutment spring 903 is connected inside the groove 902, and an abutment rod 904 is connected to the end of the abutment spring 903. 04 The end of the tube penetrates the trough 902 and is pressed against the outer wall of the water pipe 8. The trough 902 is connected to the second liquid channel 905, and the second liquid channel 905 is opened on the ring frame 901 and the corresponding support frame 2 and base 1. The second liquid channel 905 is connected to the second liquid tank 906, which is opened on the base 1. The second liquid tank 906 is connected to the second return spring 907. The end of the second return spring 907 is connected to the second pressing block 908, and the upper end of the second pressing block 908 penetrates the top of the base 1.

[0032] Working principle: According to Figure 1 As shown, when washing hands, the user steps on the second pressing block 908 to enter the second liquid tank 906. The liquid in the second liquid tank 906 enters the tank body 902 through the second liquid flow channel 905, pushing the abutment rod 904 to move into the tank body 902, releasing the pressure on the water pipe 8. Under the action of gravity, the water in the water tank 4 flows into the shower head 12 through the water pipe 8, thus facilitating the user's hand washing. The wastewater after hand washing falls through the basin 11 and flows into the wastewater tank 13 for storage. When the user leaves, the user releases the pressure on the second pressing block 908, and the second return spring 907 pushes the second pressing block 908 to reset. At the same time, the abutment spring 903 releases its restraint, and together pushes the liquid in the tank body 902 to flow back to the second liquid tank 906 through the second liquid flow channel 905, facilitating the next step trigger. The abutment spring 903 pushes the abutment rod 904 to reset, squeezing the water pipe 8 again, so that water cannot pass through the water pipe 8, achieving a water-stopping effect.

[0033] When the water pressure needs to be adjusted, the first pressing block 611 is stepped on to enter the first liquid tank 609. The liquid in the first liquid tank 609 enters the corresponding cylinder 605 after passing through the first liquid flow channel 608. This pushes the insert rod 602 to disengage and cause the first counterweight block 604, which is close to the water tank 4, to fall and act on the piston plate 5, thereby pressurizing the water in the water tank 4, increasing the water pressure entering the water pipe 8, and increasing the impact force of the water flow on the hand, achieving the first level of pressure. When the second or third level is needed, the corresponding first pressing block 611 is stepped on respectively. Similarly, the second and third counterweight blocks 604, which are from the bottom up, fall onto the piston plate 5 to pressurize the water in the water tank 4, thus achieving the effect of level adjustment.

[0034] When water needs to be added to the water tank 4, the fixed pulley 704 is used to pull the pull ring to drive the pull rope 703, which causes the movable pulley 702 to lift the piston plate 5 and the counterweight 604 to reset, thus achieving the effect of saving effort and replenishing water to the water tank 4. This is the working principle of the foot-operated handwashing press device.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A foot-operated handwashing pump device, comprising a base (1), characterized in that: The base (1) has a support frame (2) connected to each of its top two sides, and a top plate (3) connected to the top of the support frame (2). A water tank (4) is installed between the support frames (2). A piston plate (5) is provided inside the water tank (4). A pressure structure (6) is provided on the top of the water tank (4). A reset structure (7) is provided between the pressure structure (6) and the top plate (3). A water supply pipe (8) is connected to the bottom of the water tank (4). A water-stopping structure (9) is connected to the outside of the support frame (2) and sleeved on the water supply pipe (8). A movable frame (10) is installed on the support frame (2). A water basin (11) and a spray head (12) are connected to the movable frame (10). A wastewater tank (13) installed on the top of the base (1) is connected to the bottom of the water basin (11) through a pipe.

2. The foot-operated handwashing pump device according to claim 1, characterized in that: The pressure structure (6) includes a pressure application part and a control part. The pressure application part includes a support plate (601), a rod (602), a groove (603), a counterweight (604), a cylinder (605), and a return spring (606). A support plate (601) is connected to each side of the top of the water tank (4). At least three rods (602) are slidably connected through each support plate (601) at equal intervals. One end of each rod (602) near the center of the water tank (4) is located in the corresponding groove (603). The groove (603) is opened on both sides of the corresponding at least three counterweights (604). The other end of each rod (602) is located in the corresponding cylinder (605). The cylinder (605) is installed on the end face of the support plate (601) away from the water tank (4). A return spring (606) is connected between each cylinder (605) and the rod (602).

3. A foot-operated handwashing pump device according to claim 2, characterized in that: The control unit includes a hose (607), a first liquid channel (608), a first liquid tank (609), a first return spring (610), and a first pressing block (611). Each support frame (2) has at least three first liquid channels (608) about the cylinder (605), and each of the two support frames (2) has a hose (607) connected to one end of each first liquid channel (608), and the hoses (607) are connected to the cylinder (605) in pairs about the first liquid channels (608). 05) Near one end of the support plate (601), the other end of the first liquid channels (608) on the support frame (2) is connected to three corresponding first liquid tanks (609), and the first liquid tanks (609) are opened on the base (1). Each first liquid tank (609) is connected to a first return spring (610), and each first return spring (610) is connected to a first pressing block (611) at its end. The ends of the first pressing blocks (611) all penetrate the top of the base (1).

4. A foot-operated handwashing pump device according to claim 1, characterized in that: The reset structure (7) includes a connecting rod (701), a movable pulley (702), a pull rope (703), and a fixed pulley (704). The piston plate (5) is connected to the top of the connecting rod (701), and the movable pulley (702) is installed on the upper end of the connecting rod (701). The pull rope (703) is connected to the movable pulley (702), and one end of the pull rope (703) is connected to one side of the bottom of the top plate (3). The fixed pulley (704) is installed on the other side of the bottom of the top plate (3), and the other end of the pull rope (703) passes through the fixed pulley (704) and is connected to a pull ring.

5. A foot-operated handwashing pump device according to claim 1, characterized in that: The water-stopping structure (9) includes a ring frame (901), a groove (902), abutment spring (903), abutment rod (904), a second liquid channel (905), a second liquid tank (906), a second return spring (907), and a second pressing block (908). The ring frame (901) is installed inside the support frame (2), and the water pipe (8) passes through the ring frame (901) from top to bottom. A groove (902) is opened in the ring frame (901) near the side connected to the support frame (2). Abutment spring (903) is connected in the groove (902), and an abutment rod (904) is connected to the end of the abutment spring (903). The end of the rod (904) penetrates the tank (902) and presses against the outer wall of the water pipe (8). The tank (902) is connected to a second liquid channel (905), and the second liquid channel (905) is opened on the ring frame (901) and the corresponding support frame (2) and base (1). The second liquid channel (905) is connected to a second liquid tank (906), which is opened on the base (1). A second return spring (907) is connected inside the second liquid tank (906). The end of the second return spring (907) is connected to a second pressing block (908), and the upper end of the second pressing block (908) penetrates the top of the base (1).