Cleaning cloth lifting mechanism of sweeper
By designing the lifting mechanism in the sweeper, the problem of fixing the wipe height of the rag is solved, and the flexible adjustment of the rag height is achieved, and the cleaning effect of the sweeper is improved.
Patent Information
- Application Number
- CN202420965983.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-05-07
AI Technical Summary
During the cleaning process of existing sweeping robots, the wipe height of the rag is fixed, making it difficult to adapt to the ground with inconsistent heights, resulting in poor cleaning results.
A sweeper rag lifting mechanism is designed, and the lifting adjustment of the rag is realized through the combination of sliding seat, pulling assembly, drive device and transmission assembly, and adapted to the ground of different heights.
The height adjustment of the rag is realized, the cleaning effect of the sweeper is improved, and it can better adapt to complex ground environments.
Smart Images
Figure CN222622890U_ABST
Abstract
Description
Technical Field
[0001] The utility model patent relates to a rag lifting mechanism for a sweeping machine. Background Art
[0002] A sweeping robot, also known as an automatic sweeper, smart vacuum cleaner, robot vacuum cleaner, etc., is a type of smart home appliance that can automatically clean the floor in the room with the help of artificial intelligence. It generally uses brushing and vacuuming to absorb the debris on the floor into its own garbage collection box, thereby completing the function of floor cleaning. Generally speaking, robots that complete sweeping, vacuuming, and mopping are also collectively classified as sweeping robots.
[0003] The existing sweeping robot uses a rotating rag to clean the stains on the ground during cleaning, while the current cleaning is just wiping the ground. When encountering a ground with inconsistent height, it is difficult to clean with the rag, and the wiping height of the rag is constant, making it difficult to complete the cleaning work. At this time, a mechanism that can adjust the wiping height of the rag is needed. Utility Model Content
[0004] The purpose of this utility model patent is to provide a sweeping machine rag lifting mechanism, which can drive the rag to rise and fall and can adjust the wiping height of the rag.
[0005] The technical solution to achieve the purpose of the utility model patent is: the utility model patent has a sliding seat slidably arranged on the frame of the sweeper and a pulling assembly rotatably arranged on the sliding seat; an eccentric wheel for mounting a rag is rotatably arranged on the sliding seat, a driving device for synchronously driving the pulling assembly and the eccentric wheel to rotate is fixedly arranged on the sliding seat, a rotating rod extending outward is fixedly arranged on the sliding seat, the pulling assembly includes a wire wheel rotatably arranged on the rotating rod and a pull rope with one end fixedly arranged on the wire wheel, the other end of the pull rope is fixedly arranged on the frame of the sweeper, and the driving end of the driving device drives the wire wheel to reel or unreel the pull rope through the transmission assembly; the sliding seat is slidably arranged on the frame of the sweeper through the driving device driving the wire wheel to reel or unreel the pull rope and the toughness of the pull rope itself.
[0006] Furthermore, the transmission assembly includes a worm fixedly mounted on the driving end of the driving device and a worm wheel mounted on the rotating rod, the worm wheel is fixedly provided with a first end face ratchet, the wire wheel is fixedly provided with a second end face ratchet that can cooperate with the first end face ratchet, the wire wheel is rotatably arranged on the rotating rod through the cooperation of the first end face ratchet and the second end face ratchet and the drive of the driving device, and the rotating rod is also provided with a pushing assembly that prompts the wire wheel to drive the second end face ratchet to seek engagement with the first end face ratchet.
[0007] Furthermore, the pulley is provided with a first guide groove and a second guide groove which are arranged up and down and are both arranged along the rotation direction of the pulley, and is also provided with a fixed block fixed in the first guide groove and the second guide groove at the same time, and one end of the pull rope fixed on the pulley is fixed on the fixed block.
[0008] Furthermore, one end of the rotating rod is fixed on the sliding seat, and the other end of the rotating rod is fixed on the sweeper frame; the pushing assembly includes a limiting block fixed on the rotating rod and a spring sleeved on the rotating rod, one end of the spring acts on the wire wheel, and the other end of the spring acts on the limiting block, and the second end face ratchet seeks to engage with the first end face ratchet under the elastic force of the spring.
[0009] Furthermore, one end of the worm is fixedly arranged on the driving end of the driving device, and the other end of the worm is extended out of the sliding seat; the eccentric wheel is installed on the end of the worm extending out of the sliding seat, and the eccentric wheel is driven to rotate by the driving device.
[0010] Furthermore, a clamping block is provided on one end of the worm extending out of the sliding seat, and a clamping groove is provided on the eccentric wheel for the clamping block to be clamped into and form a clamping fit. The eccentric wheel can be detachably installed through the clamping fit between the clamping groove and the clamping block.
[0011] The utility model patent has positive effects: (1) a driving device for synchronously driving the pulling assembly and the eccentric wheel to rotate is fixedly arranged on the sliding seat of the utility model, a rotating rod extending outward is fixedly arranged on the sliding seat, the pulling assembly includes a wire wheel rotatably arranged on the rotating rod and a pull rope with one end fixedly arranged on the wire wheel and capable of being wound around or detached from the winding as the wire wheel rotates, and the other end of the pull rope is fixedly arranged on the sweeper frame; the sliding seat drives the wire wheel to rotate forwardly through the driving device, and the pull rope is wound around the wire wheel and slides up when the wire wheel rotates forwardly, the sliding seat drives the wire wheel to rotate in the opposite direction through the driving device, and the pull rope is released from the winding and slides down when the wire wheel rotates reversely, the sliding seat drives the eccentric wheel for installing the rag to rise and fall, and the raised and lowered rag can adjust the wiping height of the sweeper to achieve better cleaning requirements.
[0012] (2) The wire wheel of the utility model is provided with a first guide groove and a second guide groove which are arranged vertically and are both arranged along the rotation direction of the wire wheel, and is also provided with a fixing block which is fixedly arranged in the first guide groove and the second guide groove at the same time, and one end of the pull rope fixedly arranged on the wire wheel is fixedly arranged on the fixing block; the first guide groove and the second guide groove can guide the winding of the pull rope when the wire wheel rotates, so that the pull rope is wound in the first guide groove and the second guide groove, thereby preventing the pull rope from being detached from the wire wheel and being wound, thereby affecting the lifting effect.
[0013] (3) The worm wheel of the utility model is fixedly provided with a first end face ratchet, and the wire wheel is fixedly provided with a second end face ratchet which can form a transmission cooperation with the first end face ratchet; when the driving device drives the worm to drive the worm wheel to rotate forward, the first end face ratchet and the second end face ratchet form a surface contact, the first end face ratchet drives the second end face ratchet to rotate while supporting the second end face ratchet to prevent the wire wheel from rotating; when the driving device drives the worm to drive the worm wheel to rotate reversely, the first end face ratchet and the second end face ratchet form a line contact, the first end face ratchet no longer supports the second end face ratchet, the wire wheel rotates, and the rotating wire wheel drives the second end face ratchet to seek cooperation with the first end face ratchet, and after seeking cooperation, surface contact is formed again to prevent the wire wheel from rotating too fast, causing the wound pull rope to be released too fast, resulting in knots, etc., affecting normal use.
[0014] (4) One end of the rotating rod of the utility model is fixedly set on the sliding seat, and the other end of the rotating rod is fixedly set on the frame of the sweeper; the pushing assembly includes a limiting block fixedly set on the rotating rod and a spring sleeved on the rotating rod, one end of the spring acts on the wire wheel, and the other end of the spring acts on the limiting block; through the elastic force of the spring, it is ensured that the second end face ratchet seeks to engage with the first end face ratchet under the elastic force of the spring, thereby ensuring the stability of the lifting and lowering of the sliding seat.
[0015] (5) A clamping block is provided on one end of the worm wheel extending out of the sliding seat of the utility model, and a clamping groove is provided on the eccentric wheel for the clamping block to be clamped into and form a clamping fit. The eccentric wheel can be detachably installed through the clamping fit between the clamping groove and the clamping block; when the rag needs to be cleaned more smoothly at a later stage, the rag can be removed through the detachable installation of the eccentric wheel, which is quick and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to make the content of the utility model patent easier to understand, the utility model patent is further described in detail below based on specific embodiments and in combination with the accompanying drawings, wherein
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 It is a front view of the overall structure of the utility model;
[0019] Figure 3 This is a schematic diagram of the internal structure of the sliding seat of the utility model;
[0020] Figure 4 It is a side view of the internal structure of the sliding seat of the utility model;
[0021] Figure 5 It is a bottom view of the internal structure of the sliding seat of the utility model. DETAILED DESCRIPTION
[0022] See Figures 1 to 5 The utility model patent has a sliding seat 1 slidably arranged on the frame of the sweeper and a pulling assembly 2 rotatably arranged on the sliding seat 1; an eccentric wheel 3 for installing a rag is rotatably arranged on the sliding seat 1, and a driving device 4 for synchronously driving the pulling assembly 2 and the eccentric wheel 3 to rotate is fixedly arranged on the sliding seat 1, and a rotating rod 5 extending outward is fixedly arranged on the sliding seat 1, and the pulling assembly 2 includes a wire wheel 21 rotatably arranged on the rotating rod 5 and a pull rope 22 with one end fixedly arranged on the wire wheel 21, and the other end of the pull rope 22 is fixedly arranged on the frame of the sweeper, and the driving end of the driving device 4 drives the wire wheel 21 to reel or unreel the pull rope 22 through the transmission assembly 6; the sliding seat 1 is slidably arranged on the frame of the sweeper by driving the wire wheel 21 to reel or unreel the pull rope 22 through the driving device 4 and the toughness of the pull rope 22 itself.
[0023] The sweeping machine frame is a carrier for the sliding seat 1 to be installed, which is convenient for explaining the installation method of the sliding seat 1.
[0024] The transmission assembly 6 includes a worm 61 fixedly arranged on the driving end of the driving device 4 and a worm wheel 62 which is sleeved on the rotating rod 5 and can form a threaded match with the worm 61, the worm wheel 62 is fixedly provided with a first end face ratchet 621, and the wire wheel 21 is fixedly provided with a second end face ratchet 211 which can form a match with the first end face ratchet 621. The wire wheel 21 is rotated on the rotating rod 5 through the cooperation between the first end face ratchet 621 and the second end face ratchet 211 and the drive of the driving device 4. The rotating rod 5 is also provided with a pushing assembly 7 which prompts the wire wheel 21 to drive the second end face ratchet 211 to seek engagement with the first end face ratchet 621.
[0025] The wire wheel 21 is provided with a first guide groove 212 and a second guide groove 213 which are arranged up and down and are both arranged along the rotation direction of the wire wheel 21 , and is also provided with a fixing block 8 which is fixedly arranged in the first guide groove 212 and the second guide groove 213 at the same time. One end of the pull rope 22 fixedly arranged on the wire wheel 21 is fixedly arranged on the fixing block 8.
[0026] One end of the rotating rod 5 is fixed on the sliding seat 1, and the other end of the rotating rod 5 is fixed on the sweeper frame; the pushing assembly 7 includes a limiting block 71 fixed on the rotating rod 5 and a spring 72 sleeved on the rotating rod 5, one end of the spring 72 acts on the wire wheel 21, and the other end of the spring 72 acts on the limiting block 71, and the second end face ratchet 211 seeks to engage with the first end face ratchet 621 under the elastic force of the spring 72.
[0027] One end of the worm 61 is fixedly arranged on the driving end of the driving device 4, and the other end of the worm 61 extends out of the sliding seat 1; the eccentric wheel 3 is installed on the end of the worm 61 extending out of the sliding seat 1, and the eccentric wheel 3 is driven by the driving device 4 to rotate.
[0028] A clamping block 611 is provided on one end of the worm 61 extending out of the sliding seat 1, and a clamping groove is provided on the eccentric wheel 3 for the clamping block 611 to be clamped into and form a clamping fit. The eccentric wheel 3 is detachably installed through the clamping fit between the clamping groove and the clamping block 611; the clamping block 611 and the clamping groove form a clamping fit through hard friction between the two.
[0029] The working principle of the utility model is as follows: the driving device 4 drives the worm 61 to rotate, and the worm 61 drives the worm wheel 62 to rotate; the first end face ratchet 621 on the worm wheel 62 rotates synchronously with the rotation of the worm wheel 62, and the wire wheel 21 rotates synchronously with the worm wheel 62 through the cooperation between the first end face ratchet 621 and the second end face ratchet 211, and the rotating wire wheel 21 winds the pull rope 22, one end of the pull rope 22 is fixedly set on the frame of the sweeper, and the other end of the pull rope 22 is fixedly set on the fixed block 8, and the end fixed on the fixed block 8 is wound around the wire wheel 21 as the wire wheel 21 rotates, and after the pull rope 22 is wound to a certain extent, the pull rope 22 drives the sliding seat 1 to slide up on the frame of the sweeper; when sliding to the end of the stroke, the motor reverses, and the worm wheel 62 and worm 61 reverse synchronously The first end face ratchet 621 on the worm gear 62 rotates synchronously, and the first end face ratchet 621 no longer forms a surface contact with the second end face ratchet 211. The sliding seat 1 slides downward under the force of gravity, driving the rotating rod 5 to move downward together. In order to keep the wire wheel 21 on the rotating rod 5, the wire wheel 21 rotates due to the pulling of the pull rope 22 when the sliding seat 1 slides down. At this time, the first end face ratchet 621 can always limit the rotation of the second end face ratchet 211, and the wire wheel 21 can control the rotation speed with the rotation of the motor. At the same time, due to the surface contact between the first end face ratchet 621 and the second end face ratchet 211, the pull rope 22 can be in a tensioned state; the sliding seat 1 slides down on the sweeping machine frame through the reversal of the motor and the release of the pull rope 22, and the above steps are repeated, and the sliding seat 1 rises and falls on the sweeping machine frame.
[0030] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the utility model patent. It should be understood that the above description is only a specific embodiment of the utility model patent and is not intended to limit the utility model patent. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model patent should be included in the protection scope of the utility model patent.
Claims
1. A sweeping machine rag lifting mechanism, characterized in that: The invention relates to a floor sweeping machine having a sliding seat (1) slidably arranged on a frame of the floor sweeping machine and a pulling assembly (2) rotatably arranged on the sliding seat (1); an eccentric wheel (3) for mounting a rag is rotatably arranged on the sliding seat (1); a driving device (4) for synchronously driving the pulling assembly (2) and the eccentric wheel (3) to rotate is fixedly arranged on the sliding seat (1); a rotating rod (5) extending outward is fixedly arranged on the sliding seat (1); the pulling assembly (2) comprises a wire rotatably arranged on the rotating rod (5); The invention relates to a wheel (21) and a pull rope (22) with one end fixed on the wire wheel (21); the other end of the pull rope (22) is fixed on the frame of the sweeper; the driving end of the driving device (4) drives the wire wheel (21) to reel in or unreel the pull rope (22) through a transmission component (6); the sliding seat (1) is slidably arranged on the frame of the sweeper due to the driving device (4) driving the wire wheel (21) to reel in or unreel the pull rope (22) and the toughness of the pull rope (22) itself.
2. The sweeping machine rag lifting mechanism according to claim 1, characterized in that: The transmission assembly (6) comprises a worm (61) fixedly arranged on the driving end of the driving device (4) and a worm wheel (62) sleeved on the rotating rod (5) and capable of forming a threaded match with the worm (61); a first end face ratchet (621) is fixedly arranged on the worm wheel (62); a second end face ratchet (211) capable of forming a match with the first end face ratchet (621) is fixedly arranged on the wire wheel (21); the wire wheel (21) is rotatably arranged on the rotating rod (5) through the match between the first end face ratchet (621) and the second end face ratchet (211) and driven by the driving device (4); and a pushing assembly (7) is further provided on the rotating rod (5) for prompting the wire wheel (21) to drive the second end face ratchet (211) to seek engagement with the first end face ratchet (621).
3. The sweeping machine rag lifting mechanism according to claim 1, characterized in that: The outer wall of the wire wheel (21) is provided with a first guide groove (212) and a second guide groove (213) which are arranged in an upper and lower direction and are both arranged along the rotation direction of the wire wheel (21), and is also provided with a fixing block (8) which is fixedly arranged in both the first guide groove (212) and the second guide groove (213), and one end of the pull rope (22) fixedly arranged on the wire wheel (21) is fixedly arranged on the fixing block (8).
4. The sweeping machine rag lifting mechanism according to claim 2, characterized in that: One end of the rotating rod (5) is fixedly arranged on the sliding seat (1), and the other end of the rotating rod (5) is fixedly arranged on the frame of the sweeping machine; the pushing assembly (7) comprises a limiting block (71) fixedly arranged on the rotating rod (5) and a spring (72) sleeved on the rotating rod (5), one end of the spring (72) acts on the wire wheel (21), and the other end of the spring (72) acts on the limiting block (71), and the second end face ratchet (211) seeks to engage with the first end face ratchet (621) under the elastic force of the spring (72).
5. The sweeping machine rag lifting mechanism according to claim 2, characterized in that: One end of the worm (61) is fixedly arranged on the driving end of the driving device (4), and the other end of the worm (61) extends out of the sliding seat (1); the eccentric wheel (3) is installed on the end of the worm (61) extending out of the sliding seat (1), and the eccentric wheel (3) is rotatably arranged on the sliding seat (1) under the drive of the driving device (4).
6. A sweeping machine rag lifting mechanism according to claim 5, characterized in that: A clamping block (611) is provided on one end of the worm (61) extending out of the sliding seat (1), and a clamping groove is provided on the eccentric wheel (3) for the clamping block (611) to be clamped into and form a clamping fit. The eccentric wheel (3) is detachably installed through the clamping fit between the clamping groove and the clamping block (611).