Rubbing machine
By designing and adjusting the coordination between the guide rail and the rail groove and the transmission of the servo motor in the bath scrubber, the problem of the existing bath scrubber not being smooth, and the base plate and magnet adsorbing brush plate is fixed through the suction cup, which achieves more convenient installation and replacement, improving the functionality and user experience of the bath scrubber.
Patent Information
- Application Number
- CN202421716451.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The back plate of the existing bath scrubber is not smooth in coordination with the bottom plate, the bottom plate is inconvenient to fix and displace, the brush plate is inconvenient to replace, and the functionality is poor, which cannot meet people's growing needs.
A bath scrubber including the main machine back plate, bottom plate and brush disk is designed. The main machine back plate is connected to the guide rail through the adjustment rail groove, and a smooth cooperation is achieved by using the servo motor and gear transmission; the bottom plate is fixed to the wall through the suction cup, which is convenient for installation and displacement; the brush disk is absorbed and fixed by the magnet, making it more convenient for replacement.
It realizes the installation and firmness of the bath scrubber, convenient use and smooth cooperation, meeting people's needs for improving the function of the bath scrubber.
Smart Images

Figure CN222968447U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a field, in particular to a back scrubber. Background Art
[0002] A back scrubber is an auxiliary tool for bathing, which can help people clean the parts that are difficult to reach by hand. The back scrubber mainly includes a main machine back plate, a bottom plate and a brush disc. The bottom plate is fixed on the wall surface. The main machine back plate and the bottom plate are connected by a guide rail. The brush disc is arranged on the main machine back plate. When in use, the brush disc rotates, and the main machine back plate and the bottom plate move relative to each other through the guide rail to adjust the position of the brush disc, so as to assist people in scrubbing their backs. At present, for the back scrubbers on the market, the cooperation between the main machine back plate and the bottom plate is not smooth, the fixing and displacement of the bottom plate are inconvenient, the replacement of the brush disc is inconvenient, and the functionality is poor, which cannot meet the growing needs of people. Summary of the Utility Model
[0003] In view of the defects existing in the existing back scrubbers, the technical problem to be solved by the utility model is to provide a back scrubber that is convenient and firm to install, convenient to use and has smooth cooperation.
[0004] In order to achieve the above purpose, according to one aspect of the utility model, the utility model is realized by the following technical measures: A back scrubber, including a main machine back plate, a bottom plate and a brush disc;
[0005] The main machine back plate includes a housing, a turntable, a servo motor I, a servo motor II, a control switch, a circuit board, a battery and an adjusting guide rail. There is a turntable groove on the front of the housing. There is a turntable in the turntable groove. There is a transmission shaft in the center of the turntable. There is a shaft hole in the center of the transmission shaft. The servo motor I is arranged in the housing. The motor shaft I passes through the housing and is inserted into the shaft hole to drive the turntable to rotate. There are a guide rail groove and a gear groove on the back of the housing. There is an adjusting guide rail in the guide rail groove. The gap between the guide rail and the guide rail groove can be adjusted. There is a gear in the gear groove. The motor shaft of the servo motor II passes through the housing and is inserted and fixed with the gear;
[0006] There are brush pores on the brush disc. There is a transmission hole corresponding to the transmission shaft in the center of the back of the brush disc. The brush disc is fixed on the turntable through the cooperation of the transmission shaft and the transmission hole;
[0007] The bottom plate is provided with a suction cup groove, a rack and a guide rail limiting block. The rack and the suction cup groove are arranged on the front of the bottom plate. There are guide rail limiting blocks on both sides of the rack. The main machine back plate is movably fixed on the bottom plate through the cooperation of the guide rail and the guide rail limiting block. At the same time, the gear meshes with the rack. The servo motor II controls the main machine back plate to move along the guide rail on the bottom plate through the transmission of the gear and the rack. There are suction cups in the suction cup groove. The bottom plate is fixed on the wall surface through the suction cups.
[0008] Further, the number of the guide rail grooves is two, and the guide rail grooves are symmetrically distributed on the left and right along the vertical center line of the housing. The guide rail grooves and the adjusting guide rail are connected by screws, and the gap between the guide rail and the guide rail grooves can be adjusted by the screws.
[0009] Further, the circuit board includes a keyboard signal analysis and processing circuit, a voice recognition circuit, a voice response circuit, a brush disk driving circuit, and a brush disk position driving circuit. The chip U3 of the keyboard signal analysis and processing circuit is respectively connected to the chip U2 of the voice recognition circuit, the brush disk driving circuit, the brush disk position driving circuit, and the control switch. The chip U2 of the voice recognition circuit is connected to the microphone and the chip U1 of the voice response circuit. A speaker is connected to the chip U1. After receiving the voice signal, the microphone enters the chip U2 and transmits the voice signal to the chip U1 and the chip U3 respectively. The chip U1 makes a response through the speaker. The chip U3 can analyze the voice signal and the control switch key signal and then send commands to the brush disk driving circuit and the brush disk position driving circuit to drive the servo motor I and the servo motor II to rotate.
[0010] Further, a magnet groove is provided on the outer side of the transmission shaft on the turntable, a magnet is provided in the magnet groove, and a magnet corresponding to the magnet groove on the turntable is provided on the outer side of the transmission hole on the brush disk. The magnets on the brush disk and the magnets in the magnet groove adsorb each other to limit the axial direction of the brush disk.
[0011] Further, a partition is provided in the sucker groove to divide the sucker groove into upper and lower cavities. A through hole is opened in the center of the partition. A sunken spiral sucker is provided in the sucker groove. The sunken spiral sucker includes a locking nut and a sucker body. The locking nut and the sucker body are respectively arranged in the upper cavity and the lower cavity of the sucker groove. A screw rod column extends upward from the center of the top of the sucker body, and the screw rod column passes through the through hole and is spirally connected to the locking nut.
[0012] Further, the middle part of the housing is concave and in the shape of a "slim waist".
[0013] Compared with the prior art, the advantages of the present utility model are as follows: for this kind of back scrubber, the "slim waist" design of the housing is convenient for gripping; the cooperation between the sucker body and the locking nut makes the installation of the back scrubber more convenient and firm; the brush disk and the turntable are fixed by magnetic attraction, making it more convenient to replace the brush disk; the adjusting guide rail and the guide rail groove adjust the clearance through screws, making the cooperation between the main body back plate and the bottom plate smoother; when in use, the user can control the movement of the servo motor I and the servo motor II through the control switch and voice to realize the operation of the back scrubber, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The drawings constituting a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:
[0015] Figure 1 Schematic diagram of the overall structure of a back scrubber according to the present utility model;
[0016] Figure 2 Exploded view structure diagram of the back scrubber according to the present utility model;
[0017] Figure 3 Exploded view structure diagram of the back side of the back scrubber according to the present utility model;
[0018] Figure 4 Schematic diagram of module connection of the back scrubber according to the present utility model;
[0019] Figure 5 Schematic diagram of the connection of the voice response circuit according to the present utility model;
[0020] Figure 6 Schematic diagram of the connection of the voice recognition circuit according to the present utility model;
[0021] Figure 7 Schematic diagram of the connection of the keyboard signal analysis and processing circuit according to the present utility model.
[0022] Explanation of reference numerals: 1, main body back panel; 101, housing; 2, bottom plate; 3, brush disc; 301, brush pores; 302, drive holes; 4, turntable groove; 5, turntable; 501, drive shaft; 502, shaft hole; 503, magnet groove; 6, magnet; 7, servo motor I; 8, servo motor II; 9, guide rail groove; 10, adjusting guide rail; 11, gear; 12, suction cup groove; 13, partition board; 14, lock nut; 15, suction cup body; 16, rack; 17, guide rail limit block; 18, control switch; 19, circuit board; 20, battery. Detailed implementation manners
[0023] In the following, the present utility model will be described in detail with reference to the drawings and in conjunction with the embodiments. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0024] In the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.
[0025] Please refer to Figures 1-3, A back scrubber provided in this embodiment includes a main machine back plate 1, a bottom plate 2, and a brush plate 3. The main machine back plate 1 includes a housing 101, a turntable 5, a servo motor I 7, a servo motor II 8, a control switch 18, a circuit board 19, a battery 20, and an adjustment guide rail 10. The middle part of the housing 101 is concave, in the shape of a "slim waist" for convenient grasping. On the front of the housing 101, there is a turntable groove 4. Inside the turntable groove 4, there is a turntable 5. In the center of the turntable 5, there is a transmission shaft 501. The transmission shaft 501 is a multi-sided prism. In the center of the transmission shaft 501, there is a shaft hole 502. On the outside of the transmission shaft 501, there are evenly distributed magnet grooves 503. Inside the magnet grooves 503, there are magnets 6. The servo motor I 7 is arranged inside the housing 101. The motor shaft I passes through the housing 101 and is inserted into the shaft hole 502. The rotation of the servo motor I 7 can drive the turntable 5 and the brush plate 3 to rotate together. On the back of the housing 101, there is a guide rail groove 9. The number of guide rail grooves 9 is preferably two, symmetrically distributed on the left and right along the vertical center line of the housing 101. Inside the guide rail groove 9, there is an adjustment guide rail 10. The guide rail groove 9 and the adjustment guide rail 10 are connected by screws. The gap between the guide rail 10 and the guide rail groove 9 can be adjusted by screws. Between the two guide rail grooves 9, there is a gear groove. Inside the gear groove, there is a gear 11. The motor shaft of the servo motor II 8 passes through the back of the housing 101 and is inserted and fixed to the gear 11. On the front of the brush plate 3, there are brush pores 301. In the center of the back, there is a transmission hole 302 corresponding to the transmission shaft 501. Outside the transmission hole 302, there are magnets 6 corresponding to the magnet grooves 503 of the turntable 5. The brush plate 3 is fixed on the turntable 5 through the cooperation of the transmission shaft 501 and the transmission hole 302. The magnets 6 on the brush plate 3 and the magnets 6 in the magnet grooves 503 adsorb each other to limit the axial direction of the brush plate 3. The bottom plate 2 is provided with a suction cup groove 12, a rack 16, and guide rail limit blocks 17. The rack 16 and the suction cup groove 12 are arranged on the front of the bottom plate 2. The guide rail limit blocks 17 are evenly distributed on both sides of the rack 16. Inside the suction cup groove 12, there is a partition 13 that divides the suction cup groove 12 into upper and lower cavities. In the center of the partition 13, there is a through hole. Inside the suction cup groove 12, there is a sunken spiral suction cup. The sunken spiral suction cup includes a locking nut 14 and a suction cup body 15, which are respectively arranged in the upper cavity and the lower cavity of the suction cup groove 12. The top center of the suction cup body 15 extends upward to form a screw column. The screw column passes through the through hole and is spirally connected to the locking nut 14. The main machine back plate 1 is movably fixed on the bottom plate 2 through the cooperation of the guide rail and the guide rail limit blocks 17. At the same time, the gear 11 meshes with the rack 16. The servo motor II 8 controls the main machine back plate 1 to move along the guide rail on the bottom plate 2 through the transmission of the gear 11 and the rack 16.
[0026] Please refer to Figures 4-7, a back scrubber provided in this embodiment. The circuit board 19 includes a keyboard signal analysis and processing circuit, a voice recognition circuit, a voice response circuit, a brush disk 3 driving circuit, and a brush disk 3 position driving circuit. The chip U3 of the keyboard signal analysis and processing circuit is respectively connected to the chip U2 of the voice recognition circuit, the brush disk 3 driving circuit, the brush disk 3 position driving circuit, and the control switch 18. The chip U2 of the voice recognition circuit is connected to the microphone and the chip U1 of the voice response circuit. A speaker is connected to the chip U1. After the microphone receives the voice signal, it enters the chip U2 and transmits the voice signal to the chip U1 and the chip U3 respectively. The chip U1 makes a response through the speaker. The chip U3 can analyze the voice signal and the key signal of the control switch 18 and then send commands to the brush disk 3 driving circuit and the brush disk 3 position driving circuit to drive the servo motor I7 and the servo motor II8 to rotate.
[0027] For the back scrubber provided in this embodiment, during installation, the user can first adsorb the sucker body 15 on the wall corresponding to the sucker groove 12 of the bottom plate 2, then cover the bottom plate 2 on the sucker body 15, and then fix the bottom plate 2 on the wall by screwing the locking nut 14 with the screw post of the sucker body 15. The gap between the guide rail 10 and the guide rail groove 9 can be adjusted by screws to achieve the best tightness between the guide rail and the guide rail limit block 17, reduce the friction between the two, and facilitate the smoother relative movement between the main machine back plate 1 and the bottom plate 2. The brush disk 3 is adsorbed on the sucker by a magnet 6, making it more convenient to replace the brush disk 3.
[0028] For the back scrubber provided in this embodiment, during use, the user can operate the back scrubber through the control switch 18 and voice. The specific operation process is as follows: During manual operation, commands such as high speed, medium speed, low speed, up and down position are sent to the chip U3 of the keyboard signal analysis and processing circuit through the control switch 18. After processing, indication signals are given respectively, and commands are sent to the brush disk 3 driving circuit and the brush disk 3 position driving circuit to control the servo motor I7 and the servo motor II8 to achieve the operation. During voice control, when a specific wake-up word is spoken, the voice recognition circuit receives the voice signal through the microphone, analyzes and judges to confirm the need for human-machine communication, gives a response through the voice response circuit, enters the voice control program, and adjusts high speed, medium speed, low speed, and high and low positions through keywords. For each voice command issued, the voice response circuit gives a corresponding response. The voice recognition circuit transmits the voice command to the chip U3 of the keyboard signal analysis and processing circuit for analysis. After processing, the chip U3 sends commands to the brush disk 3 driving circuit and the brush disk 3 position driving circuit to control the servo motor I7 and the servo motor II8 to achieve the operation.
[0029] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, various changes and modifications can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A bath scrubbing machine, comprising a main body back plate, a bottom plate and a brush plate, characterized in that: The host back panel includes a housing, a turntable, a servo motor I, a servo motor II, a control switch, a circuit board, a battery, and an adjustment guide rail. A turntable groove is provided on the front of the housing, a turntable is provided in the turntable groove, a transmission shaft is provided in the center of the turntable, and an axis hole is provided in the center of the transmission shaft. The servo motor I is provided in the housing, and the motor shaft I passes through the housing and is plugged into the axis hole to drive the turntable to rotate; a guide rail groove and a gear groove are provided on the back of the housing, and an adjustment guide rail is provided in the guide rail groove, and the gap between the guide rails and the guide rail grooves can be adjusted. A gear is provided in the gear groove, and the motor shaft of the servo motor II passes through the housing and is plugged and fixed with the gear; The brush plate is provided with bristle holes, and the center of the back of the brush plate is provided with a transmission hole corresponding to the transmission shaft, and the brush plate is fixed on the turntable through the transmission shaft and the transmission hole; The bottom plate is provided with a suction cup groove, a rack and a guide rail limit block. The rack and suction cup groove are arranged on the front of the bottom plate. Guide rail limit blocks are arranged on both sides of the rack. The main engine back plate is fixed on the bottom plate through the cooperation of the guide rail and the guide rail limit block. At the same time, the gear is meshed with the rack. The servo motor II controls the main engine back plate to move along the guide rail on the bottom plate through the transmission of the gear and the rack. A suction cup is arranged in the suction cup groove, and the bottom plate is fixed to the wall through the suction cup.
2. The bath scrubbing machine according to claim 1, characterized in that: There are two guide rail grooves, which are symmetrically distributed along the vertical center line of the shell. The guide rail grooves and the adjustment guide rails are connected by screws, and the gap between the guide rails and the guide rail grooves can be adjusted by the screws.
3. The bath scrubbing machine according to claim 1, characterized in that: The circuit board includes a keyboard signal analysis and processing circuit, a voice recognition circuit, a voice response circuit, a brush drive circuit, and a brush position drive circuit. The chip U3 of the keyboard signal analysis and processing circuit is respectively connected to the chip U2 of the voice recognition circuit, the brush drive circuit, the brush position drive circuit and the control switch. The chip U2 of the voice recognition circuit is connected to the chip U1 of the microphone and the voice response circuit. The chip U1 is connected to a speaker. After receiving the voice signal, the microphone enters the chip U2 and transmits the voice signal to the chip U1 and the chip U3 respectively. The chip U1 responds through the speaker. The chip U3 can analyze the voice signal and the control switch button signal and then transmit the command to the brush drive circuit and the brush position drive circuit to drive the servo motor I and the servo motor II to rotate.
4. The bath scrubbing machine according to claim 1, characterized in that: A magnet groove is provided on the outer side of the transmission shaft of the turntable, a magnet is provided in the magnet groove, a magnet corresponding to the turntable magnet groove is provided on the outer side of the transmission hole of the brush plate, the magnet on the brush plate and the magnet in the magnet groove are attracted to each other and limit the axial position of the brush plate.
5. The bath scrubbing machine according to claim 1, characterized in that: A partition is provided in the suction cup groove to divide the suction cup groove into two upper and lower cavities, a through hole is opened in the center of the partition, a sunken spiral suction cup is provided in the suction cup groove, the sunken spiral suction cup includes a locking nut and a suction cup body, the locking nut and the suction cup body are respectively arranged in the upper cavity and the lower cavity of the suction cup groove, the center of the top of the suction cup body extends upward to form a screw column, and the screw column passes through the through hole and is spirally connected to the locking nut.
6. The bath scrubbing machine according to any one of claims 1 to 5, characterized in that: The middle part of the shell is concave, presenting a "small waist" shape.