Lifting rubber scraper of scrubber

Abstract

The invention discloses a lifting rubber scraper of a scrubber, which comprises a water absorption scraper, a lifting mechanism is mounted on the water absorption scraper, a telescopic component used for enabling the water absorption scraper to be tightly attached to the ground when the water absorption scraper descends is mounted on one side of the lifting mechanism, and the lifting mechanism comprises a clamping plate detachably mounted on the water absorption scraper. A movable assembly used for adjusting the comprehensive length of the movable assembly under driving of the telescopic assembly is installed in the middle of the top face of the clamping plate, a positioning assembly used for keeping the inclination angles of the movable assembly and the telescopic assembly stable is rotationally connected into the movable assembly, and the telescopic assembly comprises two positioning rods inserted into the movable assembly. The outer surfaces of the two positioning rods are sleeved with air cylinders, and through grooves are formed in the tops of one ends of the two positioning rods. When the water absorption scraper descends to the use height, the telescopic assembly is operated in a matched mode, the comprehensive length of the lifting mechanism in the inclined state is increased, and therefore inclined downward extrusion force is applied to the water absorption scraper, and the water absorption effect is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of floor scrubbers, in particular to a lifting rubber scraper of a floor scrubber. Background Art

[0002] A floor scrubber can be used to clean the floor, remove dirt with a brush and detergent, and use a squeegee to absorb dirty water from the floor, helping to dry the floor, prevent slipping, and keep the floor clean. In addition, the squeegee is equipped with a lifting mechanism, which allows the squeegee to adjust its height according to the ground conditions, optimize the water absorption effect, and improve its adaptability to different ground types. The squeegees currently used generally adjust the squeegee height through a lifting mechanism to facilitate contact between the squeegee and the ground. In this case, the pressure exerted by the squeegee on the ground comes more from its own gravity, so the squeegee is slightly lacking in adhesion to the ground. Summary of the invention

[0003] In view of the deficiencies in the prior art, an object of the present invention is to provide a lifting rubber scraper for a floor scrubber to solve the problem of insufficient adhesion of the rubber scraper to the ground in the floor scrubber proposed in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a lifting rubber scraper for a floor scrubber, comprising a squeegee, a lifting mechanism is installed on the squeegee, and a telescopic component is installed on one side of the lifting mechanism for making the squeegee closely fit the ground when the squeegee descends;

[0005] The lifting mechanism comprises a card plate detachably mounted on the squeegee, a movable component for adjusting its own comprehensive length driven by the telescopic component is mounted in the middle of the top surface of the card plate, and a positioning component for maintaining a stable tilt angle of the movable component and the telescopic component is rotatably connected inside the movable component;

[0006] The telescopic component includes two positioning rods inserted into the movable component, and cylinders are sleeved on the outer surfaces of the two positioning rods. A through groove is opened on the top of one end of the two positioning rods. Two locking structures are installed on the movable component to firmly assemble the positioning rods and the movable component when they extend from top to bottom to the through groove.

[0007] Preferably, the movable component includes a U-shaped plate located outside the positioning component, a pin structure for passing through the rear end of the positioning component is installed on the U-shaped plate, a connecting plate is provided at the front end of the U-shaped plate, and two positioning rods are respectively installed on the pin structure and the connecting plate, and a foot pedal is installed in the middle of the front side of the connecting plate.

[0008] Preferably, the locking structure includes a plug-in column with the same inner diameter as the through slot, a connecting plate is installed on the movable component, a pull rod fixedly connected to the plug-in column is plugged into the connecting plate, and a telescopic spring is installed between the plug-in column and the connecting plate and is sleeved on the outer surface of the pull rod.

[0009] Preferably, slide grooves are provided on both sides of the U-shaped plate, and steel bars extending into the slide grooves are installed on both sides of the back side of the connecting plate.

[0010] Preferably, the positioning assembly comprises a positioning plate sleeved on the outer surface of the pin structure, a cylinder structure sleeved on the front end of the positioning plate, and a pressure spring installed on the back side of the cylinder structure.

[0011] Preferably, guide grooves are provided on both sides of the positioning plate, and the path of the guide grooves overlaps with a partial trajectory of a circle drawn with the pin structure as the center, and a lifting shaft passing through the two guide grooves and the rear end of the pressure spring is installed between the two sides of the U-shaped plate.

[0012] Preferably, two fastening bolts are installed on the top of the squeegee, an annular steel ring is installed on the fastening bolts, and a pulley is also detachably installed on the squeegee.

[0013] Preferably, both sides of the top of the clamping plate are provided with U-shaped grooves with a width matching the diameter of the fastening bolts, and the top surface of the clamping plate is also provided with an annular groove with an inner diameter and an outer diameter matching the annular steel ring.

[0014] By means of the above technical solution, the present invention provides a lifting rubber scraper for a floor scrubber, which has at least the following beneficial effects:

[0015] 1. When the squeegee is lowered to the use height, the present invention can cooperate with the operation of the telescopic component to lengthen the comprehensive length of the lifting mechanism in the inclined state, thereby applying an oblique downward squeezing force to the squeegee to ensure that it fits closely with the ground, thereby effectively improving the water absorption effect.

[0016] 2. The present invention adjusts the height of the squeegee by moving the foot pedal, and utilizes the elasticity and restoring property of the pressure spring to generate a front-to-back squeezing force on the rear end lifting shaft, thereby effectively maintaining the stability of the height of the squeegee when it is in use or not.

[0017] 3. The present invention can control the comprehensive length of the movable component more conveniently through the telescopic operation of the telescopic component, and the two are combined through plug-in connection. In addition, the elastic structure is inserted from top to bottom along the top surface of the side of the movable component into the interior of the positioning rod in the telescopic component, which can effectively maintain the firmness and stability of the assembly of the telescopic component and the movable component. At the same time, it is plug-and-play during assembly.

[0018] 4. The present invention utilizes the annular groove to clamp the clamping plate on the fastening bolt, and then rotates the fastening bolt downward to cause the clamping disc on the top to fit tightly with the top surface of the clamping plate, thereby limiting the clamping plate up and down. As the fastening bolt rotates downward, the annular steel ring can be embedded in the annular groove to prevent the clamping plate from deviating in any direction of the plane on the top surface of the squeegee, thereby effectively ensuring the firmness of the squeegee and lifting mechanism during assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the split structure of the lifting mechanism of the present invention;

[0022] Figure 3 It is a structural schematic diagram of the positioning assembly of the present invention;

[0023] Figure 4 It is a schematic diagram of the split structure of the active component of the present invention;

[0024] Figure 5 It is a schematic diagram of the split structure of the telescopic assembly of the present invention;

[0025] Figure 6 It is a schematic diagram of the installation structure of the clamping plate and the connecting plate of the present invention;

[0026] Figure 7 It is a schematic diagram of the structure of the squeegee of the present invention.

[0027] In the figure:

[0028] 1. Squeegee; 101. Fastening bolts; 102. Annular steel ring; 103. Pulley;

[0029] 2. Lifting mechanism; 201. Card plate; 2011. U-shaped groove; 2012. Annular groove; 202. Movable assembly; 2021. U-shaped plate; 2022. Pin structure; 2023. Connecting plate; 2024. Foot pedal; 2025. Slide; 2026. Steel bar; 203. Positioning assembly; 2031. Positioning plate; 2032. Cylinder structure; 2033. Pressure spring; 2034. Guide groove; 2035. Lifting shaft;

[0030] 3. Telescopic assembly; 301. Positioning rod; 3011. Through slot; 302. Cylinder; 303. Locking structure; 3031. Plug-in column; 3032. Connecting plate; 3033. Pull rod; 3034. Telescopic spring. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention 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 cannot be understood as limiting the present invention.

[0032] Embodiment 1

[0033] Please refer to Figure 1-Figure 7 This embodiment proposes a lifting rubber scraper for a floor scrubber, which can apply an oblique downward squeezing force to the rubber scraper on the basis of its use, so as to help it better fit the ground and enhance its contact with the ground, thereby improving the water absorption effect. The lifting rubber scraper has a squeegee 1, on which a lifting mechanism 2 is installed. A telescopic component 3 installed on one side of the lifting mechanism 2 is used to make the squeegee 1 fit tightly with the ground when the squeegee 1 descends. The squeegee 1 is used in combination with the lifting mechanism 2, so that the squeegee 1 can adjust its height according to different ground conditions so that it maintains the best contact with the ground to achieve more efficient water absorption and ensure the smooth progress of the cleaning process. On this basis, the telescopic component 3 is operated in conjunction with the operation to lengthen the comprehensive length of the lifting mechanism 2 in the inclined state, thereby applying an oblique downward squeezing force to the squeegee 1 to ensure that it fits tightly with the ground.

[0034] In order to make the comprehensive length of the lifting mechanism 2 adjustable according to the advancement of the telescopic assembly 3. Figure 2-Figure 6As shown, the lifting mechanism 2 includes a card plate 201 detachably mounted on the squeegee 1, a movable component 202 for adjusting its own comprehensive length driven by the telescopic component 3 is installed in the middle of the top surface of the card plate 201, a positioning component 203 for maintaining the stability of the tilt angle of the movable component 202 and the telescopic component 3 is rotatably connected inside the movable component 202, the movable component 202 includes a U-shaped plate 2021 located on the outside of the positioning component 203, a pin structure 2022 for passing through the rear end of the positioning component 203 is installed on the U-shaped plate 2021, a connecting plate 2023 is arranged at the front end of the U-shaped plate 2021, and two positioning rods 301 are respectively installed on the pins. On the structure 2022 and the connecting plate 2023, a foot pedal 2024 is installed in the middle of the front of the connecting plate 2023, the positioning assembly 203 includes a positioning plate 2031 sleeved on the outer surface of the pin structure 2022, a cylinder structure 2032 is sleeved on the front end of the positioning plate 2031, and a pressure spring 2033 is installed on the back of the cylinder structure 2032. Guide grooves 2034 are opened on both sides of the positioning plate 2031, and the path of the guide groove 2034 overlaps with the partial track of a circle drawn with the pin structure 2022 as the center of the circle. A lifting shaft 2035 passing through the two guide grooves 2034 and the rear end of the pressure spring 2033 is installed between the two sides of the U-shaped plate 2021. The positioning assembly 203 is firmly installed on the scrubber by bolts, and the squeegee 1 and the movable assembly 202 are detachably combined, so that the whole formed by the squeegee 1 and the lifting mechanism 2 is used in combination with the scrubber, and cooperates with the function of the scrubber to achieve the function of water absorption and cleaning. In actual application, by pushing the foot pedal 2024 downward, the whole structure composed of the connecting plate 2023 and the U-shaped plate 2021 is caused to rotate downward at a set angle along the connection between the pin structure 2022 and the positioning plate 2031. At the same time, the connecting plate 2023 that is rotated downward will generate a downward squeezing force on the lifting shaft 2035, so that the lifting shaft 2035 moves along the path of the guide groove 2034. On this basis, since the lifting shaft 2035 passes through the rear end of the pressure spring 2033, the downward movement The lifting shaft 2035 will generate a downward pulling force on the rear end of the pressure spring 2033, and the cylinder structure 2032 is also affected by this force. The position of the lifting shaft 2035 in the guide groove 2034 is adjusted to achieve the purpose of adjusting the inclination angle of the pressure spring 2033 and the cylinder structure 2032. The pressure spring 2033, due to its own high elasticity and reset property, will generate an extrusion force from front to back to the rear end of the lifting shaft 2035, thereby effectively maintaining the stability of the squeegee 1 when it descends.On the contrary, when the squeegee 1 needs to be raised, by pushing the foot pedal 2024 upwards, the overall structure composed of the connecting plate 2023 and the U-shaped plate 2021 is controlled to rotate upwards at a set angle along the connection between the pin structure 2022 and the positioning plate 2031, so that the lifting shaft 2035 is adjusted to the highest position of the guide groove 2034 and the pressure spring 2033 is adjusted to a state of tilting upward from front to back, thereby creating a certain distance between the bottom of the squeegee 1 and the ground.

[0035] Specifically, both sides of the U-shaped plate 2021 are provided with a slide groove 2025, and both sides of the back of the connecting plate 2023 are provided with a steel bar 2026 extending into the inside of the slide groove 2025. When the steel bar 2026 is completely embedded in the inside of the slide groove 2025, the rear end of the connecting plate 2023 and the front end of the U-shaped plate 2021 are in a fitting state, and as the telescopic assembly 3 is operated, the connecting plate 2023 is controlled to move forward to adjust the comprehensive length of the movable assembly 202, and the steel bar 2026 slides from the back to the front along the inner wall of the slide groove 2025 accordingly. And the advancement amount of the telescopic assembly 3 is set not to be greater than the length of the steel bar 2026, so that the consistency in direction between the connecting plate 2023 and the U-shaped plate 2021 can be maintained.

[0036] Embodiment 2

[0037] Under normal circumstances, the telescopic component 3 and the movable component 202 are usually fixedly connected by multiple screws, but the actual assembly takes a long time and requires the help of other tools to assist in assembly, which is slightly inconvenient. At the same time, due to the rotation and vibration of the movable component 202 and the operation of the floor scrubber, the screws may become loose. In order to make the assembly and disassembly of the telescopic component 3 and the movable component 202 more convenient and not easy to separate. Figure 5 and Figure 6 As shown, the telescopic assembly 3 includes two positioning rods 301 plugged into the movable assembly 202, and the outer surfaces of the two positioning rods 301 are sleeved with cylinders 302. The tops of one end of the two positioning rods 301 are provided with through slots 3011, and two locking structures 303 are installed on the movable assembly 202 for firmly assembling the positioning rods 301 and the movable assembly 202 when extending from top to bottom to the through slots 3011. In actual application, by running the cylinder 302, it is prompted to extend outward or contract inward accordingly, thereby generating a forward thrust or a backward pull on the positioning rod 301 installed at its free end, thereby controlling the spacing between the connecting plate 2023 and the U-shaped plate 2021, so as to achieve the purpose of conveniently adjusting the comprehensive length between the two. When the positioning rod 301 is assembled with the movable component 202, it is inserted into the set hole groove on the movable component 202, and then the locking structure 303 is extended from top to bottom to the inside of the through groove 3011 on the positioning rod 301, so as to achieve the purpose of maintaining the firmness and stability of the assembly of the positioning rod 301 and the movable component 202.

[0038] Specifically, the locking structure 303 includes a plug-in column 3031 having the same inner diameter as the through slot 3011, a connecting plate 3032 is installed on the movable component 202, a pull rod 3033 fixedly connected to the plug-in column 3031 is plugged on the connecting plate 3032, and a telescopic spring 3034 is installed between the plug-in column 3031 and the connecting plate 3032 and is sleeved on the outer surface of the pull rod 3033. When the locking structure 303 is used to lock the positioning rod 301 installed on the movable component 202, firstly, a pulling force from bottom to top is applied to the pull rod 3033 on the top surface of the connecting plate 3032, driving the plug-in column 3031 to move upward, and at the same time, squeezing the telescopic spring 3034 to cause it to shrink inward. Then, the positioning rod 301 is inserted into the set hole groove on the movable component 202, and the external force applied to the pull rod 3033 is cancelled, and the pull rod 3033 and the plug-in column 3031 fall naturally under the action of their own gravity, prompting the plug-in column 3031 to be inserted downward into the through groove 3011 on the positioning rod 301, thereby preventing the positioning rod 301 from being separated from the movable component 202. In addition, with the elasticity and reset property of the telescopic spring 3034 itself, a certain amount of downward squeezing force will be generated on the plug-in column 3031, thereby effectively preventing the plug-in column 3031 inserted into the through groove 3011 from being separated for no reason.

[0039] Embodiment 3

[0040] Normally, when assembling the squeegee 1 and the lifting mechanism 2, the front end of the lifting mechanism 2 is superimposed on the top surface of the squeegee 1, and then the lifting mechanism 2 and the squeegee 1 are fixed from top to bottom with bolts. In order to facilitate the connection between the lifting mechanism 2 and the squeegee 1, the connection groove at the front end of the lifting mechanism 2 is usually set to a U-shape. However, in this shape, if the front end of the squeegee 1 collides with a hard object during the operation of the floor scrubber, it is easy to cause the squeegee 1 to slide from back to front along the U-shaped connection groove on the lifting mechanism 2, causing the connection between the two to loosen. In order to effectively avoid this situation, Figure 1 , Figure 6 and Figure 7As shown, two fastening bolts 101 are installed on the top of the squeegee 1, and an annular steel ring 102 is installed on the fastening bolts 101. A pulley 103 can also be detachably installed on the squeegee 1. U-shaped grooves 2011 with a width matching the diameter of the fastening bolts 101 are provided on both sides of the top of the clamping plate 201, and an annular groove 2012 with an inner diameter and an outer diameter matching the annular steel ring 102 is also provided on the top surface of the clamping plate 201. When assembling the squeegee 1 and the lifting mechanism 2, by turning the fastening bolt 101 upwards, a gap greater than the thickness of the clamping plate 201 is generated between the top turntable and the top surface of the squeegee 1. Subsequently, the clamping plate 201 is aligned with the fastening bolt 101 from back to front along the top surface of the squeegee 1 and inserted. Then, the fastening bolt 101 is turned downwards, so that the top turntable fits tightly against the top surface of the clamping plate 201. At the same time, as the fastening bolt 101 continues to rotate downwards, the annular steel ring 102 can be embedded in the annular groove 2012, thereby limiting the upper and lower limits of the clamping plate 201 and preventing the clamping plate 201 from deviating in any direction of the plane on the top surface of the squeegee 1, thereby effectively ensuring the firmness of the squeegee 1 and the lifting mechanism 2 during assembly.

[0041] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A lifting rubber scraper for a floor scrubber, comprising a squeegee (1), characterized in that: The squeegee (1) is provided with a lifting mechanism (2), and a telescopic component (3) is provided on one side of the lifting mechanism (2) for making the squeegee (1) closely fit the ground when the squeegee (1) is lowered; The lifting mechanism (2) comprises a card plate (201) detachably mounted on the squeegee (1); a movable component (202) for adjusting its own comprehensive length driven by the telescopic component (3) is mounted in the middle of the top surface of the card plate (201); a positioning component (203) for maintaining a stable tilt angle of the movable component (202) and the telescopic component (3) is rotatably connected inside the movable component (202); The telescopic assembly (3) comprises two positioning rods (301) inserted into the movable assembly (202), the outer surfaces of the two positioning rods (301) are sleeved with cylinders (302), the tops of one end of the two positioning rods (301) are provided with through grooves (3011), and the movable assembly (202) is provided with two locking structures (303) for firmly assembling the positioning rods (301) and the movable assembly (202) when the two positioning rods (301) extend from top to bottom to the through grooves (3011).

2. The lifting rubber scraper of a floor scrubber according to claim 1, characterized in that: The movable component (202) comprises a U-shaped plate (2021) located outside the positioning component (203), a pin structure (2022) for passing through the rear end of the positioning component (203) is installed on the U-shaped plate (2021), a connecting plate (2023) is arranged at the front end of the U-shaped plate (2021), and two positioning rods (301) are respectively installed on the pin structure (2022) and the connecting plate (2023), and a foot pedal (2024) is installed in the middle of the front of the connecting plate (2023).

3. The lifting rubber scraper of a floor scrubber according to claim 2, characterized in that: The locking structure (303) includes a plug-in column (3031) having an inner diameter consistent with that of the through slot (3011); a connecting plate (3032) is installed on the movable component (202); a pull rod (3033) fixedly connected to the plug-in column (3031) is plugged into the connecting plate (3032); and a telescopic spring (3034) is installed between the plug-in column (3031) and the connecting plate (3032) and is sleeved on the outer surface of the pull rod (3033).

4. The lifting rubber scraper of a floor scrubber according to claim 3, characterized in that: The U-shaped plate (2021) is provided with a slide groove (2025) on both sides, and steel bars (2026) extending into the slide groove (2025) are installed on both sides of the back side of the connecting plate (2023).

5. The lifting rubber scraper of a floor scrubber according to claim 1, characterized in that: The positioning assembly (203) comprises a positioning plate (2031) sleeved on the outer surface of the pin structure (2022), a cylinder structure (2032) sleeved on the front end of the positioning plate (2031), and a pressure spring (2033) installed on the back of the cylinder structure (2032).

6. The lifting rubber scraper of a floor scrubber according to claim 5, characterized in that: Guide grooves (2034) are provided on both sides of the positioning plate (2031), and the path of the guide grooves (2034) overlaps with a partial trajectory of a circle drawn with the pin structure (2022) as the center. A lifting shaft (2035) passing through the two guide grooves (2034) and the rear end of the pressure spring (2033) is installed between the two sides of the U-shaped plate (2021).

7. The lifting rubber scraper of a floor scrubber according to claim 1, characterized in that: Two fastening bolts (101) are installed on the top of the squeegee (1), an annular steel ring (102) is installed on the fastening bolts (101), and a pulley (103) can also be detachably installed on the squeegee (1).

8. The lifting rubber scraper of a floor scrubber according to claim 7, characterized in that: Both sides of the top of the clamping plate (201) are provided with U-shaped grooves (2011) whose width matches the diameter of the fastening bolts (101), and the top surface of the clamping plate (201) is also provided with an annular groove (2012) whose inner diameter and outer diameter match the annular steel ring (102).

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