Multifunctional bathtub
By designing a multi-functional bathtub with liftable inner tube, safety strap, vital sign detection equipment and intelligent bath assist system, the problems of single functions and poor user experience of traditional bathtubs are solved, and higher applicability and safety are achieved, and users' bathing experience is improved.
Patent Information
- Application Number
- CN202510319270.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2025-05-13
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Traditional bathtubs have single functions, poor applicability and user experience, which cannot meet the needs of different groups of people, lack safety guarantees and health monitoring functions, and inaccurate water temperature control.
A multi-functional bathtub is designed, including liftable inner cylinder, safety straps, vital sign detection equipment, intelligent bath assistance system and automatic drainage device, through these components, the multi-faceted needs and safety guarantees for users.
It realizes the versatility of the bathtub, meets the usage needs of different groups of people, improves user experience and safety guarantees, and provides real-time health monitoring and automated water temperature regulation and drainage functions.
Smart Images

Figure CN119969867A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of bathing products, in particular to a multifunctional bathtub. Background Art
[0002] Traditional bathtubs have many limitations in use, such as fixed size that cannot meet the needs of different groups of people, lack of safety measures, inability to monitor the user's health in real time, and inaccurate water temperature control. These problems limit the applicability and user experience of the bathtub. Therefore, the market is in urgent need of a multifunctional smart bathtub that can solve the above problems. Summary of the invention
[0003] The technical problem to be solved by the present invention is that the traditional bathtub has a single function and poor applicability and user experience.
[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a multifunctional bathtub, comprising an outer cylinder, an inner cylinder and a lifter;
[0005] The outer cylinder is a double-layer structure, comprising an outer wall and a first inner wall, with a space between the outer cylinder and the first inner wall;
[0006] The inner cylinder comprises a cylinder bottom and a second inner wall standing on the cylinder bottom. The inner cylinder is installed in the outer cylinder, and the second inner wall is in contact with the first inner wall. In order to ensure sealing, a sealing ring is generally provided between the first inner wall and the second inner wall.
[0007] The lifter is installed between the outer wall of the outer cylinder and the first inner wall, the lifter rod is connected to the inner cylinder, and the lifter can be a manual lift structure or an electric lift structure;
[0008] When the multifunctional bathtub of the present invention is in use, the user can manipulate the lifter to raise or lower the inner tube, thereby changing the depth of the bathtub to meet the needs of people of different ages and body shapes.
[0009] Furthermore, a strap is provided on the first inner wall. The strap is made of flexible material and is equipped with Velcro or elastic adjustment buckles. The strap can stabilize the user without restricting his or her necessary activities, ensuring bathing safety while taking into account comfort, and is very suitable for children and the elderly.
[0010] Furthermore, the strap is equipped with vital sign detection equipment, such as a heart rate monitoring sensor, a breathing monitoring sensor, etc., to monitor the user's monitoring status in real time and automatically alarm when an abnormal situation occurs.
[0011] Furthermore, the multifunctional bathtub also includes a bathing auxiliary system, which includes a water tank, a water pump, a nozzle, a first hose, a second hose and a controller. The water tank is arranged between the outer wall and the first inner wall of the outer tube, the water tank is connected to the water storage space of the inner tube through the first hose, the water storage space is the area of the inner tube for storing bath water, the water pump is installed in the water tank, the nozzle is installed on the first inner wall of the outer tube, and the water pump is connected to the nozzle through the second hose; the controller is used to control the water pump;
[0012] When the user takes a bath, the bath water will automatically enter the water tank through the first hose; after that, the water pump starts to pump the water in the water tank into the nozzle, and the nozzle sprays out a pressure-adjustable water flow, providing the user with a dual experience of flushing and massage.
[0013] Furthermore, the bathing assistance system also includes a temperature sensor and a heating rod. The temperature sensor is used to measure the water temperature of the bath and transmit the measurement result to the controller. The heating rod is arranged in the water tank, and the controller controls the heating rod; the controller starts the heating rod and controls the power of the heating rod in a timely manner according to the water temperature measurement result and the user's setting data, so as to realize automatic adjustment of the bathing water temperature; the controller in the present invention can also have a built-in bathing time reminder program, and after the bathing time reaches the set time, it reminds the user by voice or other means.
[0014] Furthermore, a drain pipe is provided at the bottom of the inner tube. The drain pipe is a three-way pipe. The top of the drain pipe is fixed to the bottom of the inner tube, the side port is connected to the water tank through a first hose, and the lower port is used for drainage.
[0015] Furthermore, an outer bottom plate is provided at the bottom of the outer tube, which closes the space formed by the first inner wall, the second inner wall, the outer wall and the bottom of the tube; the function of this closed space is that after the lifter controls the inner tube to descend, the air in the closed space is compressed, causing the air pressure to rise, and the higher air pressure helps to increase the sealing of the junction of the first inner wall and the second inner wall, thereby preventing water in the bathtub from leaking from the junction of the first inner wall and the second inner wall.
[0016] In order to achieve automatic drainage after the shower is completed, a partition with holes is arranged in the drain pipe of the present invention, and a bell mouth is arranged at the lower end of the drain pipe, a sealing bead and a first spring are placed on the bell mouth, the first spring is compressed between the sealing bead and the partition, and a drainage side hole is arranged on the side wall of the lower end;
[0017] The outer bottom plate is provided with a drainer, which includes a drain cylinder, a lifting cylinder, a second spring and a top rod. A vertical blind hole is provided in the drain cylinder, the blind hole is aligned with the drain pipe, the lifting cylinder and the second spring are located in the blind hole, a drainage channel leading to the outside is provided on the side wall of the blind hole, the second spring supports the lifting cylinder so that the lifting cylinder covers the water inlet of the drainage channel; the top rod is vertically installed in the blind hole;
[0018] When the lifter controls the inner cylinder to move downward to the extreme position, the drain pipe will be inserted into the blind hole of the drain cylinder, and the drain pipe will cause the lift cylinder to move downward to expose the drain outlet of the drain channel. During this process, the sealing beads in the drain pipe are lifted up by the push rod, and the sealing beads no longer block the lower opening of the drain pipe, allowing the bath water to enter the drainage channel of the blind hole from the drain pipe and finally be discharged out of the bathtub.
[0019] Furthermore, the outer wall of the outer cylinder is provided with a one-way valve, which allows outside air to enter the closed space between the outer cylinder and the inner cylinder in one direction. In order to improve the sealing effect, the present invention can also configure a pressurized fan at the one-way valve to appropriately increase the air pressure in the closed space between the outer cylinder and the inner cylinder during use of the bathtub.
[0020] Beneficial effects: (1) When the multifunctional bathtub of the present invention is in use, the user can operate the lifter to raise and lower the inner drum, thereby changing the depth of the bathtub to meet the needs of people of different ages and body shapes. (2) The multifunctional bathtub of the present invention is equipped with a safety strap to enhance safety during bathing and prevent accidents. (3) The multifunctional bathtub of the present invention is equipped with a vital sign detection device to respond to health risks in a timely manner. (4) The multifunctional bathtub of the present invention uses the water flow sprayed from the nozzle to provide the user with massage and cleansing functions, which helps the user relax the body, and cooperates with the intelligent water temperature adjustment function to significantly enhance the user's bathing experience. (5) The multifunctional bathtub of the present invention is equipped with a special drainer, which automatically drains the inner drum after it drops to the lowest point. There is no need to additionally configure a drain valve and control system, thereby simplifying the structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a three-dimensional diagram of the multifunctional bathtub of Example 1.
[0022] Figure 2 It is a three-dimensional diagram of the multifunctional bathtub of Example 1 (the inner tube and the outer bottom plate are hidden).
[0023] Figure 3 1 is a top view of the multifunctional bathtub of Example 1.
[0024] Figure 4 yes Figure 3 AA cross-section diagram.
[0025] Figure 5 yes Figure 4 A enlarged view of .
[0026] Figure 6 yes Figure 5 Drainage status diagram.
[0027] Figure 7 yes Figure 6 Flow direction diagram.
[0028] Figure 8 yes Figure 4 BB cross-section diagram.
[0029] Among them: 100, outer cylinder; 110, outer wall; 120, first inner wall; 130, outer bottom plate; 200, inner cylinder; 210, cylinder bottom; 220, second inner wall; 300, lifter; 400, bathing auxiliary system; 410, water tank; 420, nozzle; 430, first hose; 440, second hose; 450, controller; 500, drainer; 510, drain cylinder; 511, blind hole; 512, drainage channel; 520, lift cylinder; 530, second spring; 540, push rod; 600, strap; 700, drain pipe; 710, partition; 720, sealing bead; 730, first spring; 740, drainage side hole; 800, one-way valve. DETAILED DESCRIPTION
[0030] The present invention is further described in detail below in conjunction with specific implementation modes.
[0031] Example 1
[0032] like Figures 1 to 5 As shown, the multifunctional bathtub of this embodiment includes an outer tube 100 , an inner tube 200 , a lifter 300 , a bathing auxiliary system 400 and a drainer 500 .
[0033] The outer cylinder 100 is a double-layer structure, and includes an outer wall 110 , a first inner wall 120 , and an outer bottom plate 130 , with a space between the outer cylinder 100 and the first inner wall 120 .
[0034] The inner cylinder 200 includes a cylinder bottom 210 and a second inner wall 220 standing on the cylinder bottom 210. The inner cylinder 200 is installed in the outer cylinder 100. The second inner wall 220 is in contact with the first inner wall 120. A sealing ring is arranged between the first inner wall 120 and the second inner wall 220. An outer bottom plate 130 is arranged at the bottom of the outer cylinder 100. The outer bottom plate 130 seals the space formed by the first inner wall 120, the second inner wall 220, the outer wall 110 and the cylinder bottom 210.
[0035] like Figure 2 and Figure 8 As shown, the lifter 300 is installed between the outer wall 110 of the outer cylinder 100 and the first inner wall 120, and one lifter 300 is arranged at each of the four corners of the bathtub, and the lifting rod of the lifter 300 is connected to the inner cylinder 200; the lifter 300 can make the inner cylinder 200 rise and fall, thereby changing the depth of the bathtub to meet the usage needs of people of different ages and different body shapes.
[0036] A strap 600 is provided on the first inner wall 120 . The strap 600 is made of a flexible material and is equipped with Velcro or an elastic adjustment buckle. The strap 600 can stabilize the user without restricting his or her necessary activities, ensuring bathing safety while taking into account comfort, and is very suitable for children and the elderly.
[0037] The strap 600 is equipped with vital sign detection equipment, such as a heart rate monitoring sensor, a breathing monitoring sensor, etc., which monitors the user's monitoring status in real time and automatically alarms when an abnormal situation occurs.
[0038] like Figure 4 As shown, the bathing auxiliary system 400 includes a water tank 410, a water pump, a nozzle 420, a first hose 430, a second hose 440, a controller 450, a temperature sensor and a heating rod. The water tank 410 is arranged between the outer wall 110 and the first inner wall 120 of the outer tube 100. The water tank 410 is connected to the water storage space of the inner tube 200 through the first hose 430. The water pump is installed in the water tank 410, and the nozzle 420 is installed on the first inner wall 120 of the outer tube 100. The water pump is connected to the nozzle 420 through the second hose 440; the controller 450 is used to control the water pump; when the user is bathing, the water pump is started, and the nozzle 420 sprays a pressure-adjustable water flow to provide the user with a dual experience of flushing and massage.
[0039] The temperature sensor is used to measure the water temperature of the bath and transmit the measurement result to the controller 450. The heating rod is arranged in the water tank 410, and the controller 450 controls the heating rod; the controller 450 starts the heating rod and controls the power of the heating rod in time according to the water temperature measurement result and the user's setting data, so as to realize automatic adjustment of the bathing water temperature; the controller 450 in this embodiment can also have a built-in bathing time reminder program, and after the bathing time reaches the set time, it reminds the user through voice or other means.
[0040] like Figure 4 and Figure 5 As shown, a drain pipe 700 is provided at the bottom 210 of the inner cylinder 200. The drain pipe 700 is a three-way pipe. The top of the drain pipe 700 is fixed to the bottom 210 of the inner cylinder 200, the side port is connected to the water tank 410 through the first hose 430, and the lower port is used for drainage.
[0041] A partition plate 710 with holes is arranged in the drain pipe 700, and a bell mouth is arranged at the lower end of the drain pipe 700. A sealing bead 720 and a first spring 730 are placed on the bell mouth. The sealing bead 720 closes the bell mouth, and the first spring 730 is compressed between the sealing bead 720 and the partition plate 710. A drainage side hole 740 is arranged on the side wall of the lower end.
[0042] A drainer 500 is arranged on the outer bottom plate 130, and the drainer 500 includes a drainage cylinder 510, a lifting cylinder 520, a second spring 530 and a top rod 540. A vertical blind hole 511 is arranged in the drainage cylinder 510, and the blind hole 511 is aligned with the drain pipe 700. The lifting cylinder 520 and the second spring 530 are located in the blind hole 511. The side wall of the blind hole 511 is provided with a drainage channel 512 leading to the outside. The second spring 530 supports the lifting cylinder 520 so that the lifting cylinder 520 covers the water inlet of the drainage channel 512; the top rod 540 is vertically installed in the blind hole 511.
[0043] The outer wall 110 of the outer cylinder 100 is provided with a one-way valve 800, which allows external air to enter the closed space between the outer cylinder 100 and the inner cylinder 200 in one direction. When the bathtub of this embodiment is in use, the descent of the inner cylinder 200 will cause the air pressure in the closed space between the outer cylinder 100 and the inner cylinder 200 to rise, and the higher air pressure helps to increase the sealing of the junction of the first inner wall 120 and the second inner wall 220, thereby preventing the water in the bathtub from leaking from the junction of the first inner wall 120 and the second inner wall 220.
[0044] The multifunctional bathtub of this embodiment can automatically drain water after the user finishes bathing. The specific method is as follows: Figure 5 and Figure 6 As shown, the lifter 300 controls the inner cylinder 200 to move downward to Figure 6 In the extreme position shown in FIG. 1 , the drain pipe 700 is inserted into the blind hole 511 of the drain cylinder 510, and the drain pipe 700 causes the lifting cylinder 520 to move downward, exposing the drain outlet of the drain channel 512. In this process, the sealing bead 720 in the drain pipe 700 is lifted by the push rod 540, and the sealing bead 720 no longer seals the lower opening of the drain pipe 700, so that the bath water in the bathtub flows from the drain pipe 700 into the drain channel 512 of the blind hole 511. Figure 7 The route indicated by the hollow arrow is discharged outside the bathtub.
[0045] Although the embodiments of the present invention are described in the specification, these embodiments are only for reference and should not limit the protection scope of the present invention. Various omissions, substitutions and changes within the scope of the present invention should be included in the protection scope of the present invention.
Claims
1. A multifunctional bathtub, characterized in that: It comprises an outer cylinder (100), an inner cylinder (200) and a lifter (300); The outer cylinder (100) is a double-layer structure, and the outer cylinder (100) comprises an outer wall (110) and a first inner wall (120); The inner cylinder (200) comprises a cylinder bottom (210) and a second inner wall (220) standing on the cylinder bottom (210); the inner cylinder (200) is installed in the outer cylinder (100), and the second inner wall (220) is in contact with the first inner wall (120); The lifter (300) is installed between the outer wall (110) and the first inner wall (120) of the outer cylinder (100), and the lift rod of the lifter (300) is connected to the inner cylinder (200).
2. The multifunctional bathtub according to claim 1, characterized in that: A binding belt (600) is provided on the first inner wall (120).
3. The multifunctional bathtub according to claim 2, characterized in that: The strap (600) is equipped with a vital sign detection device.
4. The multifunctional bathtub according to claim 3, characterized in that: The invention also includes a bathing auxiliary system (400), which includes a water tank (410), a water pump, a nozzle (420), a first hose (430), a second hose (440) and a controller (450). The water tank (410) is arranged between the outer wall (110) and the first inner wall (120) of the outer cylinder (100). The water tank (410) is connected to the water storage space of the inner cylinder (200) through the first hose (430). The water pump is installed in the water tank (410). The nozzle (420) is installed on the first inner wall (120) of the outer cylinder (100). The water pump is connected to the nozzle (420) through the second hose (440). The controller (450) is used to control the water pump.
5. The multifunctional bathtub according to claim 4, characterized in that: The bathing auxiliary system (400) further comprises a temperature sensor and a heating rod. The temperature sensor is used to measure the water temperature of the bath and transmit the measurement result to the controller (450). The heating rod is arranged in the water tank (410). The controller (450) controls the heating rod.
6. The multifunctional bathtub according to claim 4, characterized in that: A drainage pipe (700) is provided at the bottom (210) of the inner cylinder (200).
7. The multifunctional bathtub according to claim 6, characterized in that: The drainage pipe (700) is a three-way pipe, the top opening of the drainage pipe (700) is fixed to the bottom (210) of the inner tube (200), the side opening is connected to the water tank (410) through the first hose (430), and the bottom opening is used for drainage.
8. The multifunctional bathtub according to claim 7, characterized in that: An outer bottom plate (130) is provided at the bottom of the outer cylinder (100), and the outer bottom plate (130) seals the space formed between the first inner wall (120), the second inner wall (220), the outer wall (110) and the cylinder bottom (210).
9. The multifunctional bathtub according to claim 8, characterized in that: A partition plate (710) with holes is arranged in the drainage pipe (700), a bell mouth is arranged at the lower opening of the drainage pipe (700), a sealing bead (720) and a first spring (730) are placed on the bell mouth, the first spring (730) is compressed between the sealing bead (720) and the partition plate (710), and a drainage side hole (740) is arranged on the side wall of the lower opening; A drainer (500) is arranged on the outer bottom plate (130), and the drainer (500) comprises a drain cylinder (510), a lifting cylinder (520), a second spring (530) and a push rod (540). A vertical blind hole (511) is arranged in the drain cylinder (510), and the blind hole (511) is aligned with the drain pipe (700). The lifting cylinder (520) and the second spring (530) are located in the blind hole (511), and a drainage channel (512) leading to the outside is arranged on the side wall of the blind hole (511). The second spring (530) supports the lifting cylinder (520) so that the lifting cylinder (520) covers the water inlet of the drainage channel (512); and the push rod (540) is vertically installed in the blind hole (511).
10. The multifunctional bathtub according to claim 9, characterized in that: The outer wall (110) of the outer cylinder (100) is provided with a one-way valve (800).