Roller brush device and pet cleaning equipment applying same

Abstract

The invention discloses a roller brush device and pet cleaning equipment applying the roller brush device, and relates to the technical field of pet cleaning, the roller brush device comprises a mandrel, a fluid inlet pipeline, an air heater, a water tank, a shower gel storage box, antenna fixing blocks, flexible antennas and floating supporting rings, through mutual cooperation of the mandrel, the antenna fixing blocks, the flexible antennas, the fluid inlet pipeline, the air heater, the water tank and the shower gel storage box, the roller brush device achieves the massage function, the water spraying function and the air spraying function.

Description

Technical Field

[0001] The present invention relates to the technical field of pet washing, and in particular to a roller brush device and pet washing equipment using the roller brush device. Background Art

[0002] Cleaning pets has always been a task that pet owners pay more attention to. Most families use ordinary showers or bathtubs to clean their pets. As people pay more and more attention to pets, various automatic pet cleaning machines have emerged. Among them, the roller brush that comes into direct physical contact with the pet is an important part of the fully automatic pet cleaning machine. Optimizing the roller brush structure and improving the cleaning comfort of the equipment are of great significance to the research and development of fully automatic pet cleaning machines.

[0003] Therefore, how to provide a roller brush device and a pet cleaning device using the roller brush device to improve the pet cleaning efficiency and improve the cleaning comfort of the cleaning device is a problem that technical personnel in this field urgently need to solve. Summary of the invention

[0004] The object of the present invention is to provide a roller brush device and a pet washing device using the roller brush device, so as to solve the problem that the washing comfort of the existing pet washing machines needs to be further improved.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] The present invention provides a roller brush device, the roller brush comprises a core shaft, a plurality of antenna fixing blocks connected in sequence are sleeved on the core shaft, the antenna fixing blocks are in a semicircular cylindrical shape, the two ends of the antenna fixing blocks are connected to the core shaft through a floating support ring, a plurality of countersunk holes are evenly distributed on the side circumferential wall of the antenna fixing block, and flexible antennae are inserted into the countersunk holes;

[0007] The flexible tentacles are hollow, and the top ends of the flexible tentacles are spherical and have a fluid outlet.

[0008] The tentacle fixing blocks (61) arranged at both ends of the roller brush (9) are provided with water-gas interfaces (94), and the water-gas interfaces are connected to a fluid inlet pipe. The fluid inlet at the other end of the fluid inlet pipe is connected to a hot air blower, a water tank and a shower gel storage box.

[0009] Preferably, a vibration motor is installed on the core shaft, an eccentric wheel is drivingly connected to the output shaft of the vibration motor, the vibration motor and the eccentric wheel are both located inside the antenna fixing block, and the eccentric wheel abuts against the antenna fixing block; a cleaning groove (64) is provided on the side wall of the antenna fixing block (61). The cleaning hook cooperates with the cleaning groove to remove pet hair on the roller brush.

[0010] A pet cleaning device using the roller brush device is characterized in that it comprises a frame arranged in a square frame shape, a fixed plate is installed on the top of the frame, and two symmetrically arranged moving seats are slidably connected to the fixed plate through a sliding plate, the moving seat is located below the fixed plate, the sliding plate is located above the fixed plate, and the two ends of the top of the moving seat are respectively connected to the two ends of the sliding plate; a group of screw transmission components is arranged at the middle position of the top of the fixed plate, the screw transmission component on the side close to the moving seat matches the moving seat, and the screw transmission component drives the sliding plate to slide on the fixed plate; when the sliding plate slides, it drives the corresponding moving seat to slide, and the moving seat on the other side slides similarly;

[0011] Chain transmission assemblies are provided at the left and right ends of the movable seat, and a gear rotation assembly is also provided at one end of the movable seat. The roller brush is connected to the chain transmission assembly through a retaining block, and the gear rotation assembly is connected to the roller brush. The chain transmission assembly drives the roller brush to rise and fall, and the gear rotation assembly drives the roller brush to rotate.

[0012] Preferably, parallel horizontal slide rails are provided at both ends of the fixed plate, a sliding connecting block is installed at the bottom of the sliding plate, the sliding connecting block is slidably connected in the horizontal slide rails, and a front support plate and a rear support plate are connected between each of the sliding plates and the movable seat, and the front support plate and the rear support plate are respectively located on the left and right sides of the sliding connecting block.

[0013] Preferably, the screw transmission assembly includes a horizontal screw, an X-axis servo motor and a fixed block, the fixed block is installed between the corresponding two sliding plates, the fixed block is connected to a push-pull block through a pressure sensor, the push-pull block is provided with a threaded hole matching the horizontal screw, the push-pull block is provided with two threaded holes and the threads of the two push-pull blocks are opposite, the horizontal screw and the push-pull block are transmission connected, the X-axis servo motor is installed on the fixed plate, and the horizontal screw and the output shaft of the X-axis servo motor are transmission connected.

[0014] Preferably, the chain transmission assembly comprises a Y-direction servo motor, a top transmission wheel, a bottom transmission wheel and a driving chain, the Y-direction servo motor and the top transmission wheel are both installed on the top of the moving seat, the bottom transmission wheel is installed on the bottom of the moving seat, two top transmission wheels and two bottom transmission wheels are each provided and are both located on the left and right sides of the moving seat, the driving chain is transmission-connected between the top transmission wheel and the bottom transmission wheel on the right side, the output shaft of the Y-direction servo motor and the top transmission wheel on the left side are transmission-connected via a transition chain, a force transmission rod is installed between the two bottom transmission wheels, and a driven chain is transmission-connected between the top transmission wheel and the bottom transmission wheel on the left side;

[0015] Each of the movable seats is provided with two horizontally arranged upper and lower roller brushes, both ends of the core shaft of the roller brush are connected with retaining blocks, and the retaining blocks are installed on the chain connecting blocks, the upper chain connecting blocks are connected to the front chain connecting points of the active chain and the driven chain, and the lower chain connecting blocks are connected to the rear chain connecting points of the active chain and the driven chain, and the chain connecting blocks and the active chain and the driven chain are connected together at the front chain connecting point and the rear chain connecting point by screws.

[0016] Preferably, the gear self-rotation assembly includes a self-rotation servo motor, a self-rotation chain, a rotating shaft, a driven wheel, a driving wheel and a belt.

[0017] The self-rotating servo motor is installed on the moving seat, the rotating shaft is vertically arranged on one side of the moving seat, and the self-rotating servo motor and the top end of the rotating shaft are connected through the self-rotating chain transmission;

[0018] The driven wheel is transmission-connected to one end of the spindle, the driving wheel is rotationally arranged around the holding block through a connecting plate, and the driving wheel and the driven wheel are connected through the belt transmission;

[0019] The rotating shaft is connected to a parasol-shaped driving gear, the driving wheel is connected to a parasol-shaped transmission gear, and the parasol-shaped transmission gear is directly meshed with the parasol-shaped driving gear;

[0020] A bearing fixing block is installed outside the umbrella-shaped driving gear, and a gear connecting block is installed outside the bearing fixing block. The gear connecting block is respectively connected to the corresponding retaining block and the chain connecting block.

[0021] Preferably, a comb is also installed on the roller arranged between two corresponding retaining blocks.

[0022] Preferably, the right side perspective screenshot of the rack is used as the coordinate plane, the center point of the rack below the pet is used as the coordinate origin as the plane coordinate, and the cross section observed from the perspective behind the pet is simplified to an arc segment with a radius of R, the length of the arc segment is less than one quarter of the arc, the edge of the roller brush is tangent to the arc formed by the contact point of the pet, and the tangent point is located on the arc, then the relationship between the position of the center point of the roller brush and time is as follows:

[0023]

[0024] Among them, x (t) ,y (t) is the horizontal and vertical coordinates of the center point of the roller brush, r is the radius of the roller brush, R is the simplified arc radius of the pet's body, and θ(t) indicates that the angle formed by the contact tangent line between the corresponding roller and the arc and the perpendicular line to the center of the circle at time t is θ;

[0025] The relationship between the motor speed and the movement of the roller brush is as follows:

[0026]

[0027] Wherein, Vx(t) indicates that the movement speed of the servo motor of the roller brush in the X direction at time t is VX; Vy(t) indicates that the movement speed of the servo motor of the roller in the Y direction at time t is Vy; θ(t) indicates that the angle formed by the contact tangent of the corresponding roller and the arc and the perpendicular line of the center of the circle at time t is θ; R is the simplified arc radius of the pet's body.

[0028] Compared with the prior art, the beneficial technical effects of the present invention are:

[0029] The roller brush device provided by the present invention can realize massage function, water spray function and air jet function through the cooperation of the core shaft, the tentacles fixing block, the flexible tentacles, the fluid inlet pipe, the hot air blower, the water tank and the shower gel storage box.

[0030] The front end of the roller brush provided by the present invention is provided with a plurality of flexible tentacles with spherical heads, which can simulate the scrubbing of the pet's body by human hands during the rotation and movement of the roller. Through this design, the device can gently and comprehensively contact the pet's skin and hair, thereby improving the cleaning effect and the comfort of the pet. During the scrubbing process, the spherical head and tentacle column arranged at the front end have a certain squeezing effect on the pet's body, thereby playing a certain massage effect.

[0031] The roller brush provided by the present invention cooperates with the eccentric wheel through the vibration motor and the eccentric wheel, and the vibration generated by the eccentric wheel is transmitted to the tentacle fixing block, and the tentacle fixing block transmits the vibration to the flexible tentacles, so that the flexible tentacles will generate the same frequency vibration, so that the roller brush provided by the present invention can penetrate into the pet's hair and remove dirt and dandruff under high-frequency micro-amplitude vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] Figure 1 It is a structural schematic diagram of the roller brush device of the present invention;

[0034] Figure 2 It is a simplified schematic diagram of the fluid flow in the roller brush device of the present invention;

[0035] Figure 3 It is a schematic diagram of elastic floating of the roller brush device of the present invention;

[0036] Figure 4 This is a structural diagram of the pet washing device of the present invention;

[0037] Figure 5 This is a structural diagram of the mobile seat of the present invention;

[0038] Figure 6 This is the main structural diagram of the gear self-rotation assembly of the present invention;

[0039] Figure 7 This is a structural diagram of the connection relationship between the movable seat and the sliding plate of the present invention;

[0040] Figure 8 The figure is a diagram of the center of the roller brush of the present invention and its simplified arc motion trajectory.

[0041] Description of reference numerals: 1, frame; 2, fixed plate; 3, moving seat; 4, sliding plate; 5, chain transmission assembly; 6, gear rotation assembly; 7, horizontal slide rail; 8, horizontal lead screw; 9, roller brush;

[0042] 21. Holding block; 22. Y-axis servo motor; 23. Transition chain; 24. Force transmission rod; 25. Self-rotation servo motor; 26. Self-rotation chain; 27. Driving chain; 28. Driven chain; 29. ​​Comb;

[0043] 31. driven wheel; 32. belt; 33. driving wheel; 34. umbrella-shaped transmission gear; 35. umbrella-shaped driving gear; 36. bearing fixing block; 37. rotating shaft; 38. gear connecting block; 39. chain connecting block;

[0044] 40. Front connection point of chain; 41. Rear connection point of chain;

[0045] 51. Front support plate; 52. Rear support plate; 53. X-axis servo motor; 54. Pressure sensor; 55. Sliding connection block; 56. Fixed block; 57. Push-pull block;

[0046] 61. antenna fixing block; 62. flexible antenna; 63. mandrel; 64. cleaning groove;

[0047] 81. floating support ring; 82. vibration motor; 83. eccentric wheel; 84. flexible sealing ring;

[0048] 91. Fluid inlet; 92. Fluid inlet pipe; 93. Fluid outlet; 94. Water and gas interface; 95. Hot air blower; 96. Water tank; 97. Shower gel storage box. DETAILED DESCRIPTION

[0049] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0050] like Figure 1-8 As shown, a roller brush device, the roller brush 9 includes a core shaft 63, a plurality of antenna fixing blocks 61 connected in sequence are sleeved on the core shaft 63, the antenna fixing blocks 61 are semicircular cylindrical, the two ends of the antenna fixing blocks 61 are connected to the core shaft 63 through floating support rings 81, a plurality of countersunk holes are evenly distributed on the side circumferential wall of the antenna fixing block 61, and flexible antennas 62 are inserted into the countersunk holes;

[0051] The flexible feeler 62 is hollow, and the top end of the flexible feeler 62 is spherical and has a fluid outlet 93;

[0052] Water and gas interfaces 94 for easy connection are arranged at both ends of the tentacle fixing block 61, and water and gas interfaces (94) are arranged on the tentacle fixing blocks (61) at both ends of the roller brush (9), and the water and gas interfaces 91 are connected to the fluid inlet pipe 92, and the fluid inlet 91 at the other end of the fluid inlet pipe 92 is connected to a hot air blower 92, a water tank 96 and a shower gel storage box 97.

[0053] The functions that can be realized by the roller brush device provided by the present invention include massage function, water spray function and air jet function:

[0054] A plurality of flexible tentacles 62 with spherical heads are arranged at the front end of the roller brush 9, which can simulate the scrubbing of the pet's body by human hands during the rotation and movement of the roller. Through this design, the device can gently and comprehensively contact the pet's skin and hair, improve the cleaning effect and the comfort of the pet. During the scrubbing process, the spherical head and tentacle column arranged at the front end have a certain squeezing effect on the pet's body, playing a certain massage role.

[0055] Specifically, a vibration motor 82 is installed on the core shaft 63, and an eccentric wheel 83 is connected to the output shaft of the vibration motor 82. The vibration motor 82 and the eccentric wheel 83 are both located inside the antenna fixing block 61, and the eccentric wheel 83 abuts against the antenna fixing block 61; a cleaning groove 64 is provided on the side wall of the antenna fixing block 61. The cleaning groove 64 has a certain width and a certain depth, and a certain gap is formed between the pet hair entangled during the cleaning process and the cleaning groove 64, which can accommodate a cleaning hook passing through it. The cleaning hook is a cleaning tool arranged outside the pet cleaning device.

[0056] The vibration generated by the eccentric wheel 83 is transmitted to the feeler fixing block 61, and the feeler fixing block 61 transmits the vibration to the flexible feeler 62, so the flexible feeler 62 will generate the same frequency vibration, and the vibration motor 82 has a stable vibration frequency and low noise, and the vibration frequency range is adjustable. The roller brush 9 equipped with the vibration motor 82, its flexible feeler 62 can penetrate into the pet hair and remove dirt and dander under the high-frequency micro-amplitude vibration.

[0057] The floating support ring 81 is fixedly arranged on the core shaft 63 and is floatingly connected to the antenna fixing block 61, which can provide appropriate pressure and resilience during operation. The floating support ring 81 is provided with a micro elastic element in the axial direction, which can provide a slight deformation reset function in the axial direction, and an elastic element in the radial direction, which can provide a deformation reset function of not less than 5mm in the radial direction. The floating support ring 81 is provided with a sealing structure on the outside to keep the liquid inside the antenna fixing block 61 clean.

[0058] In a specific implementation, a flexible sealing ring 84 is sleeved on the core shaft 63. A plurality of the flexible sealing rings 84 are provided and are arranged between every two adjacent tentacle fixing blocks 61. The maximum radius of the flexible sealing ring 84 is greater than the cross-sectional radius of the tentacle fixing block 61 to ensure that the tentacle fixing block 61 floats on the core shaft 63. When the tentacle fixing block 61 is misaligned relative to the flexible sealing ring 84, the flexible sealing ring 81 can still seal it.

[0059] The flexible sealing ring 84 is provided with a liquid through hole, and the liquid through holes are provided in a plurality and evenly distributed around the circumference, so as to facilitate the liquid flow between two adjacent antenna fixing blocks 61 .

[0060] The core shaft 63 is a stainless steel rigid core shaft to ensure the stability and durability of the core shaft 63 under high load, so that the tentacle fixing block can be flexibly adjusted according to the body shape of the pet during cleaning. The flexible adjustment roller brush 9 can adapt to pets of different sizes and postures when cleaning the pet, and maintain the consistency and comfort of the cleaning effect.

[0061] Rotating flanges are provided at both ends of the core shaft 63, and the rotating flanges and the core shaft are coaxially connected.

[0062] The roller brush 9 of the present invention has a hollow structure in the middle, through which a mixture of water and shower gel can be sprayed, as well as hot air drying gas can be sprayed; quick-release quick-change interfaces are provided at both ends of the roller brush 9, and the quick-release quick-change interfaces are processed using a high-precision mechanical structure, and the accuracy of the mating parts is not less than 0.005mm. The material is a highly wear-resistant and corrosion-resistant material, and the interface part is treated with a waterproof sealing ring or a special coating to adapt to the high temperature and high humidity in the cleaning equipment and the chemical composition of the drying gas while maintaining long-term stable sealing performance.

[0063] The flexible feeler 62 is preferably made of silicone, and its hardness is maintained at 65A to 75A on the Shore A scale, so that the flexible feeler 62 can maintain good hardness and have a certain elasticity. The flexible feeler 62 is a tapered cylinder that is transparent from top to bottom, and the taper of the cylinder is not greater than 1 degree. The center hole is a straight round hole with a hole diameter of 1.5mm. The flexible feeler 62 is set in three specifications, with lengths of 50mm, 70mm, and 120mm, respectively, corresponding to three different hardnesses, namely strong hardness, medium hardness, and low hardness, and the low hardness value is guaranteed to be no less than 65A on the Shore A scale. The three different specifications of the feelers are set at intervals.

[0064] The flexible feelers 62 are evenly arranged on the feeler fixing block 61, the interval between two flexible feelers 62 is not less than 22 mm, the flexible feelers 62 are evenly arranged circumferentially on the feeler fixing block 61, the angle between every two flexible feelers 62 is guaranteed to be 40 degrees, the feeler fixing block 61 is set to four groups, the number of flexible feelers 62 in each group in the axial direction is set to 9, and the number of flexible feelers 62 arranged circumferentially is 12.

[0065] A pet cleaning device using the roller brush device is characterized in that it includes a frame 1 arranged in a square frame shape, a fixed plate 2 is installed on the top of the frame 1, and two symmetrically arranged moving seats 3 are slidably connected to the fixed plate 2 through a sliding plate 4, the moving seat 3 is located below the fixed plate 2, and the sliding plate 4 is located above the fixed plate 2, and the top two ends of the moving seat 3 are connected to the two ends of the sliding plate 4; a group of screw transmission components is arranged at the middle position of the top of the fixed plate 2, and the screw transmission component on the side close to the moving seat 3 matches the moving seat 3, and the screw transmission component drives the sliding plate 4 to slide on the fixed plate 2; when the sliding plate 4 slides, it drives the corresponding moving seat 3 to slide, and the moving seat 3 on the other side slides similarly;

[0066] Chain transmission assemblies 5 are provided at the left and right ends of the movable seat 3, and a gear rotation assembly 6 is also provided at one end of the movable seat 3. The roller brush 9 is connected to the chain transmission assembly 5 through a retaining block 21, and the gear rotation assembly 6 is connected to the roller brush 9. The chain transmission assembly 5 drives the roller brush 9 to rise and fall, and the gear rotation assembly 6 drives the roller brush 9 to rotate.

[0067] The movable seat 3 is a thin-walled sheet metal part that is resistant to corrosion and high temperature. A drying air outlet for drying and evenly arranged is arranged on one side of the roller brush 9 of the movable seat 3, and a hot air box is arranged on the other side to facilitate automatic distribution of hot air.

[0068] A heat-resistant and corrosion-resistant bearing is arranged inside the retaining block 21 .

[0069] Specifically, parallel horizontal slide rails 7 are provided at both ends of the fixed plate 2, and a sliding connection block 55 is installed at the bottom of the sliding plate 4. The sliding connection block 55 is slidably connected in the horizontal slide rail 7. A front support plate 51 and a rear support plate 52 are connected between each of the sliding plates 4 and the movable seat 3, and the front support plate 51 and the rear support plate 52 are respectively located on the left and right sides of the sliding connection block 55.

[0070] Specifically, the screw transmission assembly includes a horizontal screw 8, an X-axis servo motor 53 and a fixed block 56. The fixed block 56 is installed between the corresponding two sliding plates 4. The fixed block 56 is connected to a push-pull block 57 through a pressure sensor 54. The push-pull block 57 is provided with a threaded hole matching the horizontal screw 8. The push-pull block 57 is provided with two threaded holes and the threads of the two push-pull blocks 57 are opposite. The horizontal screw 8 and the push-pull block 57 are transmission connected. The X-axis servo motor 53 is installed on the fixed plate 2. The horizontal screw 8 and the output shaft of the X-axis servo motor 53 are transmission connected.

[0071] The pressure sensor 54 can detect the squeezing force generated by the moving seat 3 when washing the pet, and the two X-direction servo motors 53 drive the corresponding two moving seats 3 to move away from and closer to each other.

[0072] Specifically, the chain transmission assembly 5 includes a Y-direction servo motor 22, a top transmission wheel, a bottom transmission wheel and a driving chain 27. The Y-direction servo motor 22 and the top transmission wheel are both installed on the top of the moving seat 3, and the bottom transmission wheel is installed on the bottom of the moving seat 3. Two of the top transmission wheels and the bottom transmission wheels are provided and are both located on the left and right sides of the moving seat 3. The driving chain 27 is transmission-connected between the top transmission wheel and the bottom transmission wheel on the right side, and the output shaft of the Y-direction servo motor 22 and the top transmission wheel on the left side are transmission-connected through a transition chain 23. A force transmission rod 24 is installed between the two bottom transmission wheels, and a driven chain 28 is transmission-connected between the top transmission wheel and the bottom transmission wheel on the left side.

[0073] Each of the movable seats 3 is provided with two horizontally arranged upper and lower roller brushes 9, and both ends of the core shaft 63 of the roller brush 9 are connected with retaining blocks 21, and the retaining blocks 21 are installed on the chain connecting blocks 39, and the upper chain connecting blocks 39 are connected to the front chain connecting points 40 of the active chain 27 and the driven chain 28, and the lower chain connecting blocks 39 are connected to the rear chain connecting points 41 of the active chain 27 and the driven chain 28, and the chain front connecting points 40 and the chain rear connecting points 41 are connected together by screws to connect the chain connecting blocks 39 and the active chain 27 and the driven chain 28.

[0074] Specifically, the gear self-rotation assembly 6 includes a self-rotation servo motor 25, a self-rotation chain 26, a rotating shaft 37, a driven wheel 31, a driving wheel 33 and a belt 32.

[0075] The self-rotation servo motor 25 is installed on the moving seat 3, the rotating shaft 37 is vertically arranged on one side of the moving seat 3, and the self-rotation servo motor 25 and the top end of the rotating shaft 37 are connected by the self-rotation chain 26;

[0076] The driven wheel 31 is connected to one end of the mandrel 63 by transmission, the driving wheel 33 is rotatably arranged around the holding block 21 through a connecting plate, and the driving wheel 33 and the driven wheel 31 are connected by transmission through the belt 32;

[0077] The rotating shaft 37 is connected to a parasol-shaped driving gear 35, and the driving wheel 33 is connected to a parasol-shaped transmission gear 34. The parasol-shaped transmission gear 34 is directly meshed with the parasol-shaped driving gear 35.

[0078] A bearing fixing block 36 is installed outside the umbrella-shaped driving gear 35 , and a gear connecting block 38 is installed outside the bearing fixing block 36 . The gear connecting block 38 is connected to the corresponding retaining block 21 and the chain connecting block 39 , respectively.

[0079] In the specific implementation, the other end of the bearing fixing block 36 is connected to a vertical slide rail, which is fixed to the side wall of the moving seat 3, which helps to ensure good mobility of the device and save space. At the same time, the sliding connecting plate connected to the bearing fixing block 36 is connected to the fixing hole on the chain.

[0080] Specifically, a comb 29 is also installed on the roller arranged between two corresponding holding blocks 21 .

[0081] The present invention can achieve a specific scrubbing effect through a combination of motions by setting the motion parameters of each component. In order to realize the contour scrubbing of the pet's body by the motor, it is necessary to design the mathematical relationship between the motion center of the drum and the simplified arc parameters of the pet's body, so that the drum can be contour scrubbed along the edge of the arc.

[0082] The Y-direction servo motor 22 controls the movement of the roller in a direction perpendicular to the horizontal plane, so the motor speeds of the two servo motors are the same, V y The roller brushes 9 arranged on both sides can move in the direction of approaching or moving away from the pet's body. The movement direction is the horizontal X direction. The corresponding control motor is the X-direction servo motor 53, and the corresponding motor speed is V x The roller brush 9 itself is also connected to a self-rotating servo motor 25, which performs self-rotating motion to scrub the pet hair.

[0083] Specifically, the right side perspective screenshot of the rack 1 is used as the coordinate plane, the center point of the rack 1 below the pet is used as the coordinate origin as the plane coordinate, and the cross section observed from the perspective behind the pet is simplified to an arc segment with a radius of R, the length of the arc segment is less than one quarter of the arc, the edge of the roller brush 9 is tangent to the arc formed by the contact point of the pet, and the tangent point is located on the arc, then the relationship between the position of the center point of the roller brush 9 and time is as follows:

[0084]

[0085] Among them, x (t) ,y (t) is the horizontal and vertical coordinates of the center point of the roller brush (9), r is the radius of the roller brush 9, R is the simplified arc radius of the pet's body, and θ(t) represents the angle θ formed by the contact tangent line between the corresponding roller and the arc and the perpendicular line to the center of the circle at time t;

[0086] The relationship between the motor speed and the movement of the roller brush 9 is as follows:

[0087]

[0088] Among them, Vx(t) represents the movement speed of the servo motor of the roller brush 9 in the X direction at time t is Vx; Vy(t) represents the movement speed of the servo motor of the roller in the Y direction at time t is Vy; θ(t) represents the angle formed by the contact tangent of the corresponding roller and the arc and the perpendicular line of the center of the circle at time t is θ; R is the simplified arc radius of the pet's body.

[0089] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0090] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A roller brush device, characterized in that: The roller brush (9) comprises a core shaft (63), on which a plurality of antenna fixing blocks (61) connected in sequence are sleeved, the antenna fixing blocks (61) are in the shape of a semicircular cylinder, the two ends of the antenna fixing blocks (61) are connected to the core shaft (63) via a floating support ring (81), a plurality of countersunk holes are evenly distributed on the side circumferential wall of the antenna fixing block (61), and flexible antennas (62) are inserted into the countersunk holes; The flexible feeler (62) is hollow, and the top end of the flexible feeler (62) is spherical and has a fluid outlet (93); The tentacle fixing blocks (61) arranged at both ends of the roller brush (9) are provided with water-gas interfaces (94), the water-gas interfaces (94) are connected to a fluid inlet pipe (92), and the fluid inlet (91) at the other end of the fluid inlet pipe (92) is connected to a hot air blower (95), a water tank (96) and a shower gel storage box (97).

2. The roller brush device according to claim 1, characterized in that: A vibration motor (82) is installed on the core shaft (63), and an eccentric wheel (83) is transmission-connected to the output shaft of the vibration motor (82). Both the vibration motor (82) and the eccentric wheel (83) are located inside the antenna fixing block (61), and the eccentric wheel (83) is in abutment with the antenna fixing block (61); a cleaning groove (64) is provided on the side circumferential wall of the antenna fixing block (61).

3. A pet washing device using the roller brush device according to any one of claims 1 to 2, characterized in that: The invention comprises a frame (1) arranged in a square frame shape, a fixed plate (2) is installed on the top of the frame (1), two symmetrically arranged moving seats (3) are slidably connected to the fixed plate (2) via a sliding plate (4), the moving seat (3) is located below the fixed plate (2), the sliding plate (4) is located above the fixed plate (2), and the top two ends of the moving seat (3) are respectively connected to the two ends of the sliding plate (4); a group of screw transmission components are arranged at the middle position of the top of the fixed plate (2), the screw transmission component on the side close to the moving seat (3) matches the moving seat (3), and the screw transmission component drives the sliding plate (4) to slide on the fixed plate (2); when the sliding plate (4) slides, it drives the corresponding moving seat (3) to slide, and the moving seat (3) on the other side slides similarly; Chain transmission components (5) are arranged at the left and right ends of the movable seat (3); a gear rotation component (6) is also arranged at one end of the movable seat (3); the roller brush (9) is connected to the chain transmission component (5) by a retaining block (21); the gear rotation component (6) and the roller brush (9) are connected by a transmission; the chain transmission component (5) drives the roller brush (9) to rise and fall; and the gear rotation component (6) drives the roller brush (9) to rotate.

4. A pet washing device according to claim 3 using the roller brush device according to any one of claims 1 to 2, characterized in that: Both ends of the fixed plate (2) are provided with parallel horizontal slide rails (7); a sliding connection block (55) is installed at the bottom of the sliding plate (4); the sliding connection block (55) is slidably connected in the horizontal slide rail (7); a front support plate (51) and a rear support plate (52) are connected between each sliding plate (4) and the movable seat (3); the front support plate (51) and the rear support plate (52) are respectively located on the left and right sides of the sliding connection block (55).

5. A pet washing device according to claim 4 using the roller brush device according to any one of claims 1 to 2, characterized in that: The screw transmission assembly comprises a horizontal screw (8), an X-axis servo motor (53) and a fixed block (56); the fixed block (56) is installed between the two corresponding sliding plates (4); the fixed block (56) is connected to a push-pull block (57) via a pressure sensor (54); the push-pull block (57) is provided with a threaded hole matching the horizontal screw (8); the push-pull block (57) is provided with two threaded holes and the threads of the two threaded holes on the push-pull blocks (57) are opposite; the horizontal screw (8) and the push-pull block (57) are transmission-connected; the X-axis servo motor (53) is installed on the fixed plate (2); the horizontal screw (8) and the output shaft of the X-axis servo motor (53) are transmission-connected.

6. A pet washing device according to claim 3 using the roller brush device according to any one of claims 1-2, characterized in that: The chain transmission assembly (5) comprises a Y-direction servo motor (22), a top transmission wheel, a bottom transmission wheel and a driving chain (27); the Y-direction servo motor (22) and the top transmission wheel are both mounted on the top of the moving seat (3); the bottom transmission wheel is mounted on the bottom of the moving seat (3); two top transmission wheels and two bottom transmission wheels are each provided and are both located on the left and right sides of the moving seat (3); the driving chain (27) is transmission-connected between the top transmission wheel and the bottom transmission wheel on the right side; the output shaft of the Y-direction servo motor (22) and the top transmission wheel on the left side are transmission-connected via a transition chain (23); a force transmission rod (24) is mounted between the two bottom transmission wheels; and a driven chain (28) is transmission-connected between the top transmission wheel and the bottom transmission wheel on the left side; Each of the movable seats (3) is provided with two horizontally arranged roller brushes (9) in an upper and a lower position. Both ends of the core shaft (63) of the roller brush (9) are connected with a retaining block (21). The retaining block (21) is mounted on a chain connecting block (39). The upper chain connecting block (39) is connected to the front chain connecting point (40) of the active chain (27) and the driven chain (28). The lower chain connecting block (39) is connected to the rear chain connecting point (41) of the active chain (27) and the driven chain (28). The chain connecting block (39) is connected to the active chain (27) and the driven chain (28) at the front chain connecting point (40) and the rear chain connecting point (41). Screws are used to connect the chain connecting block (39) and the active chain (27) and the driven chain (28) together.

7. A pet washing device according to claim 6 using the roller brush device according to any one of claims 1 to 2, characterized in that: The gear self-rotating assembly (6) comprises a self-rotating servo motor (25), a self-rotating chain (26), a rotating shaft (37), a driven wheel (31), a driving wheel (33) and a belt (32). The self-rotating servo motor (25) is mounted on the moving seat (3), the rotating shaft (37) is vertically arranged on one side of the moving seat (3), and the self-rotating servo motor (25) and the top end of the rotating shaft (37) are connected by transmission via the self-rotating chain (26); The driven wheel (31) is transmission-connected to one end of the core shaft (63); the driving wheel (33) is rotatably arranged around the retaining block (21) via a connecting plate; the driving wheel (33) and the driven wheel (31) are transmission-connected via the belt (32); The rotating shaft (37) is connected to a parasol-shaped driving gear (35), the driving wheel (33) is connected to a parasol-shaped transmission gear (34), and the parasol-shaped transmission gear (34) and the parasol-shaped driving gear (35) are directly meshed and connected; A bearing fixing block (36) is installed outside the umbrella-shaped driving gear (35), and a gear connecting block (38) is installed outside the bearing fixing block (36). The gear connecting block (38) is respectively connected to the corresponding retaining block (21) and the chain connecting block (39).

8. A pet washing device according to claim 3 using the roller brush device according to any one of claims 1 to 2, characterized in that: A comb (29) is also installed on the roller brush (9) arranged between the two corresponding holding blocks (21).

9. A pet washing device according to claim 5 using the roller brush device according to any one of claims 1 to 2, characterized in that: The right side perspective screenshot of the frame (1) is used as the coordinate plane, and the center point of the frame (1) below the pet is used as the coordinate origin as the plane coordinate. The cross section observed from the perspective behind the pet is simplified into an arc segment with a radius of R. The length of the arc segment is less than one quarter of the arc. The edge of the roller brush (9) is tangent to the arc formed by the contact point of the pet, and the tangent point is located on the arc. Then, the relationship between the position of the center point of the roller brush (9) and time is as follows: Among them, x (t) ,y (t) are the horizontal and vertical coordinates of the center point of the roller brush (9), r is the radius of the roller brush (9), R is the simplified arc radius of the pet's body, and θ(t) represents the angle θ formed by the contact tangent line between the corresponding roller and the arc and the perpendicular line to the center of the circle at time t; The relationship between the motor speed and the movement of the roller brush (9) is as follows: Among them, V x (t) indicates the movement speed of the servo motor of the roller brush (9) in the X direction at time t is V x ; V y (t) The speed of the servo motor in the Y direction of the roller at time t is V y ; θ(t) indicates that the angle formed by the contact tangent line between the corresponding roller and the arc and the perpendicular line to the center of the circle at time t is θ; R is the simplified arc radius of the pet's body.

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