Suspended rolling brush structure of dust collector

Abstract

The utility model discloses a suspension rolling brush structure of a dust collector, which comprises a rolling brush main body movably arranged in a rolling brush cavity of a floor brush of the dust collector, and the rear side of the rolling brush main body corresponds to a dust collection port; the first suspension swing arm is rotationally arranged in the first movable cavity on one side of the rolling brush cavity through a swing arm rotating shaft; the second suspension swing arm is rotationally arranged in a second movable cavity on the other side of the rolling brush cavity through another swing arm rotating shaft, and a connecting shaft at the end of the rolling brush body is rotationally connected with the first suspension swing arm and the second suspension swing arm in a butt joint mode; wherein a rolling brush driving mechanism is arranged at the position of the first suspension swing arm or / and the second suspension swing arm, the rolling brush driving mechanism is arranged inside or outside the rolling brush main body, and when the rolling brush main body is pushed by the outside terrain to swing in the rolling brush cavity and along the axis of the swing arm rotating shaft, the rolling brush driving mechanism synchronously drives the rolling brush main body to rotate along the axis of the rolling brush main body. The problem that an existing dust collector rolling brush is low in dust collection and cleaning efficiency can be solved.

Description

Technical Field

[0001] This utility model relates to the field of vacuum cleaner technology, specifically to the structure of a vacuum cleaner's suspended roller brush. Background Technology

[0002] Conventional vacuum cleaner floor brushes typically feature a fixed design and assembly, driven by a fixed axis during operation. The resistance generated by the rotating brush makes it difficult for users to directly pull the vacuum cleaner back; this requires significant pulling force. Generally, the floor brush must be lifted or the roller brush turned off before it can move backward to reciprocate and clean surfaces. The floor brush is supported by wheels and auxiliary wheels to elevate its base, preventing wear and damage from contact with the bottom. The roller brush protrudes from the bottom of the floor brush to pick up dust and hair. However, this design is insufficient for cleaning surfaces with poor smoothness, resulting in low cleaning efficiency, poor quality, and limited ease of use.

[0003] Some floor brushes with movable roller brushes are difficult to synchronize when the roller brush is forced to move, resulting in low dust collection efficiency. For example, patent document CN110680242B discloses a floating roller brush assembly and a sweeper. The floating roller brush structure includes: a fixed component, including a fixed body; a floating component, including a floating body located below the fixed body; a synchronization mechanism located on the fixed body, with its two ends connected to the two ends of the floating body to drive the two ends of the floating body to float synchronously; and a roller brush mounted on the floating component to float with the floating component. This invention uses the synchronization mechanism to drive the two sides of the floating component and the two ends of the roller brush to float synchronously, resulting in a simple structure and low installation and manufacturing costs. A sweeper with this floating roller brush assembly can achieve synchronous floating of both ends of the roller brush under the drive of the floating component and the synchronization mechanism, resulting in a simple structure and low installation and manufacturing costs. Patent document CN118121121A discloses a floating roller brush structure and a sweeper. The floating roller brush structure is used to install on a sweeper, which includes a body with a first connecting part and a first positioning member. The floating roller brush structure includes: a bracket with a second connecting part and a mounting groove, the second connecting part being detachably hinged to the first connecting part; a roller brush cover, which, together with the bracket, defines a receiving cavity with a first opening, the roller brush cover having a second positioning member passing through the mounting groove, the second positioning member having a fixed end and a free end, the fixed end of the second positioning member being connected to the roller brush cover, and the free end of the second positioning member being used to cooperate with the first positioning member; and a roller brush assembly, which is disposed within the receiving cavity, the roller brush assembly including a roller brush, a portion of which protrudes from the first opening. According to the floating roller brush structure of this application, the cooperation of the first and second positioning members ensures that the roller brush cover is installed in place.

[0004] Although the aforementioned existing technologies have improved upon the shortcomings of vacuum cleaner floor brushes and roller brushes, the shortcomings of floor brushes with movable roller brushes, as mentioned above, still exist. Utility Model Content

[0005] The purpose of this invention is to provide a structure for a suspended roller brush in order to solve the problem of low cleaning efficiency of existing vacuum cleaner roller brushes.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a structure for a vacuum cleaner's suspended roller brush, comprising:

[0007] The main body of the roller brush is movably arranged inside the roller brush chamber of the floor brush of the vacuum cleaner, with the dust collection port corresponding to its rear side.

[0008] The first suspended swing arm is rotatably mounted in the first movable cavity on one side of the roller brush cavity via a swing arm pivot.

[0009] The second suspended swing arm is rotatably arranged in the second movable cavity on the other side of the roller brush cavity via another swing arm pivot.

[0010] The connecting shaft at the end of the main body of the roller brush is rotatably connected to the first floating swing arm and the second floating swing arm respectively;

[0011] A roller brush drive mechanism is provided at the first or / and second suspended swing arm.

[0012] The roller brush drive mechanism is located inside or outside the roller brush body;

[0013] When the brush body is pushed by the external terrain and swings within the brush cavity along the axis of the swing arm, the brush drive mechanism synchronously drives the brush body to rotate along its own axis.

[0014] As a further description of the above technical solution:

[0015] The main body of the roller brush includes a cylinder, and a docking groove is provided at one end of the cylinder;

[0016] The roller brush drive mechanism includes a first motor, and the rotation drive end inside the first motor is connected to the docking groove.

[0017] The outer end of the first motor is fixed to the front end of the first suspended swing arm by a number of bolts arranged along its circumference;

[0018] The other end of the cylinder is sleeved on the limiting ring at the front end of the second floating swing arm, and its end face abuts against the flange on the outside of the limiting ring.

[0019] As a further description of the above technical solution:

[0020] The first suspended swing arm has a wire hole at its front end, through which the wiring of the first motor is led out and connected to the control module of the vacuum cleaner.

[0021] As a further description of the above technical solution:

[0022] The swing arm shaft is rotatably inserted into the first docking hole of the first suspended swing arm and the second suspended swing arm;

[0023] The connecting shaft is rotatably inserted into the second mating hole.

[0024] As a further description of the above technical solution:

[0025] The connecting shaft engages with a movable gear inside the first mounting cavity on the side of the roller brush cavity;

[0026] The first mounting cavity is provided with a plurality of first gear shafts on the side of the movable gear;

[0027] A mating gear is rotatably sleeved on the first gear shaft;

[0028] The roller brush drive mechanism is a gear set, and several mating gears are respectively meshed with and connected to the movable gear and the roller brush drive mechanism.

[0029] As a further description of the above technical solution:

[0030] Several of the mating gears are arranged at intervals along an arc-shaped trajectory centered on the pivot axis of the swing arm.

[0031] As a further description of the above technical solution:

[0032] The roller brush drive mechanism includes a first transition gear, a second transition gear, a drive gear, and a second motor;

[0033] The first transition gear meshes with the mating gear;

[0034] The second transition gear meshes with the first transition gear and the drive gear;

[0035] The output shaft of the second motor is connected to the drive gear, which is located in the second mounting cavity at the rear end of the vacuum cleaner's floor brush.

[0036] As a further description of the above technical solution:

[0037] The first transition gear and the second transition gear are rotatably connected to the second gear shaft and the third gear shaft on the side of the first mounting cavity, respectively.

[0038] As a further description of the above technical solution:

[0039] A partition is provided inside the roller brush body, and the partition seals and separates the roller brush cavity and its outer cavity.

[0040] A third docking hole is provided on the partition plate;

[0041] The third docking hole is arranged in an arc shape with the swing arm pivot as the center;

[0042] The connecting shaft slides through the third mating hole.

[0043] As a further description of the above technical solution:

[0044] Inside the partition, a guide groove extends laterally in the middle of the third docking hole;

[0045] The guide groove is arranged in an arc shape with the swing arm pivot as the center;

[0046] A sealing plate is slidably disposed within the guide groove, and the connecting shaft is rotatably disposed through the through hole of the sealing plate.

[0047] In summary, by adopting the above technical solution, this utility model has the following advantages over the prior art:

[0048] Beneficial effects:

[0049] 1. This utility model improves upon the shortcomings of conventional vacuum cleaner roller brushes and floor brushes by adopting a suspended design. The roller brush body rotates against the floor brush via suspended swing arms at both ends. When used on uneven surfaces, the roller brush body rises or falls synchronously with the surface due to its own weight and external thrust, ensuring full contact and increasing the contact area and cleanliness. When the floor brush needs to be pulled back, the user pulls it backward. At this time, the roller brush tends to rotate upward along the swing arm axis due to the forward frictional resistance between it and the surface, thereby reducing the resistance to pull back the floor brush and improving the ease of operation and convenience. In addition, when the roller brush is forced to swing, it can still achieve stable rolling drive through the roller brush drive mechanism to fully adsorb and clean dust and other debris from the surface of the object, improving vacuuming efficiency and usage flexibility.

[0050] 2. When the roller brush is used with the roller brush drive mechanism installed inside the roller brush body, the roller brush body is forced to swing. The first and second suspended swing arms rotate along the swing arm pivot and the corresponding movable cavity. The first motor and wiring move synchronously in the movable cavity. At the same time, the first motor drives the rotating drive end to rotate. Because the rotating drive end is circumferentially positioned and connected to the docking groove, it synchronously drives the roller brush body to rotate, so as to realize its rolling on the surface of the object and efficient adsorption and cleaning of dust, etc., thereby improving the flexibility and efficiency of the roller brush.

[0051] 3. When the roller brush drive mechanism is positioned on the outside of the roller brush body, the connecting shaft engages with the movable gear in the first mounting cavity on the side of the roller brush cavity. The first mounting cavity has several first gear shafts on the side of the movable gear, and engaging gears are rotatably mounted on these first gear shafts. The roller brush drive mechanism is a gear set, with several engaging gears meshing with the movable gear and the roller brush drive mechanism respectively. These engaging gears are spaced apart along an arc-shaped trajectory centered on the swing arm's pivot axis. When the roller brush body is forced to swing, the connecting shaft synchronously drives the movable gear to move within the first mounting cavity, disengaging from one engaging gear and engaging with another. Then, the second motor operates, causing the drive gear, the second transition gear, and the first transition gear to rotate, and through the corresponding engaging gears, driving the movable gear to rotate, thereby achieving the rolling of the roller brush body. This achieves stable and efficient rolling drive of the roller brush body at different relative positions within the floor brush.

[0052] 4. Considering that the roller brush drive mechanism is located on the outside of the roller brush body, and the roller brush body moves against the inner wall of the brush, a structural design is implemented to prevent dust, hair, and other impurities from entering the brush housing. The working principle of this structure is as follows: when the roller brush body swings, the connecting shaft synchronously pushes the sealing plate, causing it to slide within the guide groove. Simultaneously, the sealing plate seals the third mating hole, preventing dust, hair, and other contaminants from entering the mounting cavity inside the brush housing and contaminating the inside of the brush and its drive mechanism. Attached Figure Description

[0053] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0054] Figure 1 This is a structural diagram of a vacuum cleaner's suspended roller brush and a disassembled diagram of a vacuum cleaner's floor brush.

[0055] Figure 2 This is an anatomical diagram of the structure of a vacuum cleaner's suspended roller brush.

[0056] Figure 3 This is a cross-sectional view of the structure of a vacuum cleaner's suspended roller brush and its assembly structure with a vacuum cleaner's floor brush.

[0057] Figure 4 This describes the usage state of a vacuum cleaner's suspended roller brush structure and a vacuum cleaner's floor brush assembly structure. Figure 1 .

[0058] Figure 5 This describes the usage state of a vacuum cleaner's suspended roller brush structure and a vacuum cleaner's floor brush assembly structure. Figure 2 .

[0059] Figure 6 A cross-sectional view of a vacuum cleaner floor brush corresponding to the structure of a suspended roller brush in a vacuum cleaner. Figure 1 .

[0060] Figure 7 A cross-sectional view of a vacuum cleaner floor brush corresponding to the structure of a suspended roller brush in a vacuum cleaner. Figure 2 .

[0061] Legend:

[0062] 1. Main body of the roller brush; 11. Cylinder; 12. Connecting groove; 13. Connecting shaft; 14. Movable gear; 15. Sealing plate; 16. Through hole;

[0063] 2. First suspension swing arm; 21. Bolt; 22. Wire hole;

[0064] 3. Second floating swing arm; 31. First docking hole; 32. Limiting ring; 33. Flange; 34. Second docking hole;

[0065] 4. Swing arm pivot;

[0066] 5. First motor; 51. Rotation drive end; 52. Wiring;

[0067] 6. Connecting gear; 61. First gear shaft;

[0068] 7. First transition gear; 71. Second gear shaft;

[0069] 8. Second transition gear; 81. Third gear shaft;

[0070] 9. Drive gear;

[0071] 10. Second motor;

[0072] 100. Vacuum cleaner floor brush; 110. Roller brush chamber; 120. Dust collection port; 130. First movable chamber; 140. Second movable chamber; 150. First mounting chamber; 160. Second mounting chamber; 170. Partition; 180. Third docking hole; 190. Guide groove. Detailed Implementation

[0073] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0074] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0075] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0076] In the description of the embodiments of this utility model, it should be noted that the terms "upper" and "inner" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0077] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0078] Example 1:

[0079] Please see Figure 1-7 This utility model provides a technical solution: a structure for a suspended roller brush of a vacuum cleaner, comprising:

[0080] The main body of the roller brush 1 is movably arranged in the roller brush cavity 110 of the floor brush 100 of the vacuum cleaner, and the rear side corresponds to the dust collection port 120.

[0081] The first suspended swing arm 2 is rotatably arranged in the first movable cavity 130 on one side of the roller brush cavity 110 via a swing arm pivot 4;

[0082] The second suspended swing arm 3 is rotatably arranged in the second movable cavity 140 on the other side of the roller brush cavity 110 via another swing arm pivot 4;

[0083] The connecting shaft 13 at the end of the roller brush body 1 is rotatably connected to the first suspended swing arm 2 and the second suspended swing arm 3 respectively;

[0084] Considering that the roller brush on the floor brush of conventional vacuum cleaners is mostly designed and assembled in a fixed manner, and is driven to rotate on a fixed axis during operation, the resistance generated by the rotation of the roller brush makes it difficult for users to directly pull the vacuum cleaner back. This operation requires a large pulling force. Generally, the floor brush must be lifted or the roller brush turned off before it can move backward to perform reciprocating vacuuming and cleaning of the object's surface. The floor brush is raised on its chassis by moving wheels and auxiliary wheels to avoid structural wear and damage caused by touching the bottom. The roller brush is exposed from the bottom of the floor brush to adsorb dust and hair on the object's surface. However, this design is difficult to meet the cleaning needs of objects with poor flatness, resulting in poor vacuuming efficiency and quality, and insufficient ease of use.

[0085] Based on the shortcomings of conventional vacuum cleaner roller brushes and floor brushes, the roller brush of this vacuum cleaner adopts a suspended design. The roller brush body 1 rotates to contact the floor brush through the suspended swing arms at both ends. When used on uneven object surfaces, the roller brush body 1 will sink or rise synchronously with the object surface under its own weight and external thrust to ensure full contact with it, increase the contact area and fullness of contact, and thus improve dust collection efficiency and cleaning degree.

[0086] When the floor brush needs to be pulled back, the user pulls the floor brush backward. At this time, the roller brush tends to rotate upward along the swing arm axis 4 due to the forward frictional resistance between itself and the surface of the object. This reduces the resistance of pulling back the floor brush, improves the ease of operation and convenience of use.

[0087] A roller brush drive mechanism is provided at the first suspended swing arm 2 or / and the second suspended swing arm 3, and the roller brush drive mechanism is arranged inside or outside the roller brush body 1.

[0088] When the brush body 1 is pushed by the external terrain and swings within the brush cavity 110 along the axis of the swing arm shaft 4, the brush drive mechanism synchronously drives the brush body 1 to rotate along its own axis.

[0089] In addition, even when the roller brush is forced to oscillate, it can still achieve stable rolling drive through the roller brush drive mechanism, so as to fully adsorb and clean dust and other objects on the surface of objects, thereby improving dust collection efficiency and usage flexibility.

[0090] The swing arm shaft 4 is rotatably inserted into the first docking hole 31 of the first suspended swing arm 2 and the second suspended swing arm 3, and the connecting shaft 13 is rotatably inserted into the second docking hole 34.

[0091] The working principle of the suspended roller brush structure of a vacuum cleaner in this embodiment includes: when vacuuming on the surface of an object with low flatness, the roller brush body 1 will sink or rise synchronously with the surface of the object under the action of its own weight and the external terrain thrust, so as to ensure close contact with it.

[0092] When the floor brush needs to be pulled back, the user pulls the floor brush backward. At this time, the roller brush tends to rotate upward along the swing arm axis 4 due to the forward frictional resistance between itself and the object surface, thereby reducing the resistance of the floor brush pulling back.

[0093] Example 2:

[0094] Please see Figure 2 Based on the above embodiment one, preferably, the roller brush driving mechanism is arranged inside the roller brush body 1, and the specific structural layout is as follows:

[0095] The roller brush body 1 includes a cylinder 11, one end of which is provided with a docking groove 12. The roller brush driving mechanism includes a first motor 5, and the rotation driving end 51 inside the first motor 5 is connected to the docking groove 12 to improve the efficiency and stability of the transmission between the motor and the roller brush body 1.

[0096] The outer end of the first motor 5 is fixed to the front end of the first suspended swing arm 2 by a number of bolts 21 arranged along its circumference, so as to improve the ease of assembly of the first motor 5, the roller brush body 1, and the first suspended swing arm 2.

[0097] Depend on Figure 2 As shown, the nut of bolt 21 has a quincunx countersunk structure to facilitate a more stable connection with the corresponding installation tool, such as a screwdriver, ensuring efficient torque transmission and preventing the installation tool from shifting. Of course, the countersunk structure can also adopt a conventional flathead or cross-shaped structure, or a polygonal prism structure such as an internal hexagon.

[0098] In addition, washers should be placed between bolt 21 and the first suspended swing arm 2 during installation to improve the bolt connection strength and reduce structural wear during assembly. During assembly, the first suspended swing arm 2 and the first motor 5 should be perpendicularly aligned to further improve the efficiency of torque transmission and prevent the first motor 5 from becoming loose, structurally worn, or even jammed.

[0099] The other end of the cylinder 11 is sleeved on the limiting ring 32 at the front end of the second suspended swing arm 3, and its end face abuts against the flange 33 on the outer side of the limiting ring 32. This improves the stability and flexibility of the roller brush body 1 rotating along its own axis.

[0100] To facilitate wiring operations for the first motor 5, a wiring hole 22 is provided at the front end of the first suspended swing arm 2. The wiring 52 of the first motor 5 is led out through the wiring hole 22 and connected to the control module of the vacuum cleaner. This achieves centralized storage of the wiring 52 of the first motor 5, avoiding interference and structural wear between the wiring 52 and the roller brush body 1 during swinging and the suspended swing arm during movement. This improves the stability of the roller brush structure and the operation of the electrical components inside the floor brush, and makes the layout of the roller brush and its corresponding drive mechanism clearer, simplifying the complexity of the floor brush layout and improving the convenience of disassembly, maintenance, and repair of the floor brush.

[0101] The working principle of a vacuum cleaner's suspended roller brush structure in this embodiment includes: when the roller brush body 1 is forced to swing, the first suspended swing arm 2 and the second suspended swing arm 3 rotate along the swing arm pivot 4 and the corresponding movable cavity. The first motor 5 and the wiring 52 move synchronously in the movable cavity. At the same time, the first motor 5 drives the rotating drive end 51 to rotate. Because the rotating drive end 51 is circumferentially positioned and connected to the docking groove 12, it synchronously drives the roller brush body 1 to rotate, so as to realize its rolling on the surface of the object and efficient adsorption and cleaning of dust, etc., thereby improving the flexibility and efficiency of the roller brush.

[0102] Example 3:

[0103] Please see Figure 3-5 Based on the above embodiment one, preferably, the roller brush driving mechanism is arranged on the outside of the roller brush body 1, and the specific structural layout is as follows:

[0104] The connecting shaft 13 is connected to the movable gear 14 in the first mounting cavity 150 on the side of the roller brush cavity 110. The first mounting cavity 150 is provided with a plurality of first gear shafts 61 on the side of the movable gear 14. The first gear shafts 61 are rotatably sleeved with the connecting gears 6. The roller brush drive mechanism is a gear set. The plurality of connecting gears 6 respectively mesh with and connect the movable gear 14 and the roller brush drive mechanism.

[0105] Several of the docking gears 6 are arranged at intervals along an arc-shaped trajectory centered on the swing arm shaft 4.

[0106] The above design enables the roller brush body 2 to swing while the connecting shaft 13 synchronously drives the movable gear 14 to move within the first mounting cavity 150 and engage with different docking gears 6, thereby achieving stable and efficient rolling drive of the roller brush body 2 at different relative positions within the floor brush.

[0107] The roller brush drive mechanism includes a first transition gear 7, a second transition gear 8, a drive gear 9, and a second motor 10. The first transition gear 7 meshes with the docking gear 6, and the second transition gear 8 meshes with the first transition gear 7 and the drive gear 9. The output shaft of the second motor 10 is docked with the drive gear 9 and is located in the second mounting cavity 160 at the rear end of the vacuum cleaner floor brush 100.

[0108] The first transition gear 7 and the second transition gear 8 are rotatably connected to the second gear shaft 71 and the third gear shaft 81 on the side of the first mounting cavity 150, respectively.

[0109] The working principle of a vacuum cleaner suspended roller brush structure in this embodiment includes: when the roller brush body 1 is forced to swing, the connecting shaft 13 synchronously drives the movable gear 14 to move in the first mounting cavity 150, disengaging from one docking gear 6 and engaging with another docking gear 6. Then, the second motor 10 runs, causing the drive gear 9, the second transition gear 8, and the first transition gear 7 to rotate, and through the corresponding docking gear 6, drive the movable gear 14 to rotate, thereby realizing the rolling of the roller brush body 1.

[0110] Example 4:

[0111] Please see Figure 6-7 Based on the above embodiment one, preferably, considering that the roller brush drive mechanism is arranged on the outside of the roller brush body 1, the roller brush body 1 moves against the inner wall of the ground brush. At this time, it is necessary to consider the structural design to prevent dust, hair and other impurities from entering the ground brush housing. Specifically, a partition 170 is provided inside the roller brush body 1. The partition 170 seals and separates the roller brush cavity 110 and its outer cavity. A third docking hole 180 is provided on the partition 170. The third docking hole 180 is arranged in an arc shape with the swing arm pivot 4 as the center. The connecting shaft 13 slides through the third docking hole 180.

[0112] Inside the partition plate 170, a guide groove 190 extends laterally from the middle of the third docking hole 180. The guide groove 190 is arranged in an arc shape with the swing arm pivot 4 as the center. A sealing plate 15 is slidably arranged inside it. The connecting shaft 13 is rotatably inserted through the through hole 16 of the sealing plate 15.

[0113] The working principle of the suspended roller brush structure of the vacuum cleaner in this embodiment includes: when the roller brush body 1 swings, the connecting shaft 13 will simultaneously push the sealing plate 15, so that it slides in the guide groove 190. At the same time, the sealing plate 15 can also block the third docking hole 180 to prevent dust, hair and other objects from entering the mounting cavity inside the brush housing and causing contamination to the inside of the brush and the drive mechanism therein.

[0114] In summary, due to the adoption of the above technical solution, the structure of the vacuum cleaner's suspended roller brush in this embodiment has the following advantages compared to the prior art:

[0115] 1. This utility model improves upon the shortcomings of conventional vacuum cleaner roller brushes and floor brushes by adopting a suspended design. The roller brush body rotates against the floor brush via suspended swing arms at both ends. When used on uneven surfaces, the roller brush body rises or falls synchronously with the surface due to its own weight and external thrust, ensuring full contact and increasing the contact area and cleanliness. When the floor brush needs to be pulled back, the user pulls it backward. At this time, the roller brush tends to rotate upward along the swing arm axis due to the forward frictional resistance between it and the surface, thereby reducing the resistance to pull back the floor brush and improving the ease of operation and convenience. In addition, when the roller brush is forced to swing, it can still achieve stable rolling drive through the roller brush drive mechanism to fully adsorb and clean dust and other debris from the surface of the object, improving vacuuming efficiency and usage flexibility.

[0116] 2. When the roller brush is used with the roller brush drive mechanism installed inside the roller brush body, the roller brush body is forced to swing. The first and second suspended swing arms rotate along the swing arm pivot and the corresponding movable cavity. The first motor and wiring move synchronously in the movable cavity. At the same time, the first motor drives the rotating drive end to rotate. Because the rotating drive end is circumferentially positioned and connected to the docking groove, it synchronously drives the roller brush body to rotate, so as to realize its rolling on the surface of the object and efficient adsorption and cleaning of dust, etc., thereby improving the flexibility and efficiency of the roller brush.

[0117] 3. When the roller brush drive mechanism is positioned on the outside of the roller brush body, the connecting shaft engages with the movable gear in the first mounting cavity on the side of the roller brush cavity. The first mounting cavity has several first gear shafts on the side of the movable gear, and engaging gears are rotatably mounted on these first gear shafts. The roller brush drive mechanism is a gear set, with several engaging gears meshing with the movable gear and the roller brush drive mechanism respectively. These engaging gears are spaced apart along an arc-shaped trajectory centered on the swing arm's pivot axis. When the roller brush body is forced to swing, the connecting shaft synchronously drives the movable gear to move within the first mounting cavity, disengaging from one engaging gear and engaging with another. Then, the second motor operates, causing the drive gear, the second transition gear, and the first transition gear to rotate, and through the corresponding engaging gears, driving the movable gear to rotate, thereby achieving the rolling of the roller brush body. This achieves stable and efficient rolling drive of the roller brush body at different relative positions within the floor brush.

[0118] 4. Considering that the roller brush drive mechanism is located on the outside of the roller brush body, and the roller brush body moves against the inner wall of the brush, a structural design is implemented to prevent dust, hair, and other impurities from entering the brush housing. The working principle of this structure is as follows: when the roller brush body swings, the connecting shaft synchronously pushes the sealing plate, causing it to slide within the guide groove. Simultaneously, the sealing plate seals the third mating hole, preventing dust, hair, and other contaminants from entering the mounting cavity inside the brush housing and contaminating the inside of the brush and its drive mechanism.

[0119] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A structure of a floating roll brush of a dust collector, characterized by, include: The main body of the roller brush is movably arranged inside the roller brush chamber of the floor brush of the vacuum cleaner, with the dust collection port corresponding to its rear side. The first suspended swing arm is rotatably mounted in the first movable cavity on one side of the roller brush cavity via a swing arm pivot. The second suspended swing arm is rotatably arranged in the second movable cavity on the other side of the roller brush cavity via another swing arm pivot. The connecting shaft at the end of the roller brush body is rotatably connected to the first suspended swing arm and the second suspended swing arm respectively. The first or / and second suspended swing arm is provided with a roller brush drive mechanism. The roller brush drive mechanism is arranged inside or outside the roller brush body. When the roller brush body is pushed by the external terrain to swing in the roller brush cavity along the axis of the swing arm, the roller brush drive mechanism synchronously drives the roller brush body to rotate along its own axis.

2. The structure of a floating brush of a dust collector according to claim 1, wherein The main body of the roller brush includes a cylinder, one end of which is provided with a docking groove. The roller brush driving mechanism includes a first motor, the inner rotating drive end of the first motor is connected to the docking groove, and its outer end is fixed to the front end of the first suspended swing arm by a plurality of bolts arranged along its circumference. The other end of the cylinder is sleeved on the limiting ring at the front end of the second suspended swing arm, and its end face abuts against the flange on the outer side of the limiting ring.

3. The structure of a floating brush of a dust collector according to claim 2, wherein The first suspended swing arm has a wire hole at its front end, through which the wiring of the first motor is led out and connected to the control module of the vacuum cleaner.

4. The structure of a floating brush of a dust collector according to claim 1, wherein The swing arm shaft is rotatably inserted into the first docking hole of the first and second suspended swing arms, and the connecting shaft is rotatably inserted into the second docking hole.

5. The structure of a floating brush of a vacuum cleaner according to claim 1, wherein The connecting shaft connects to the movable gear in the first mounting cavity on the side of the roller brush cavity. The first mounting cavity has several first gear shafts on the side of the movable gear. The first gear shafts are rotatably sleeved with the connecting gears. The roller brush drive mechanism is a gear set. The several connecting gears respectively mesh with and connect the movable gear and the roller brush drive mechanism.

6. The structure of a vacuum cleaner's suspended roller brush according to claim 5, characterized in that, Several of the mating gears are arranged at intervals along an arc-shaped trajectory centered on the pivot axis of the swing arm.

7. The structure of a floating brush of a dust cleaner according to claim 5, wherein The roller brush drive mechanism includes a first transition gear, a second transition gear, a drive gear, and a second motor. The first transition gear meshes with the mating gear, and the second transition gear meshes with the first transition gear and the drive gear. The output shaft of the second motor is connected to the drive gear and is located in the second mounting cavity at the rear end of the vacuum cleaner floor brush.

8. The structure of a floating brush of a dust cleaner according to claim 7, wherein The first transition gear and the second transition gear are rotatably connected to the second gear shaft and the third gear shaft on the side of the first mounting cavity, respectively.

9. The structure of a floating brush of a vacuum cleaner according to claim 1, wherein, A partition is provided inside the main body of the roller brush, which seals and separates the roller brush cavity and its outer cavity. A third docking hole is provided on the partition, which is arranged in an arc shape with the swing arm pivot as the center. The connecting shaft slides through the third docking hole.

10. The structure of a floating brush of a dust cleaner according to claim 9, wherein, Inside the partition plate, a guide groove extends laterally from the middle of the third docking hole. The guide groove is arranged in an arc shape with the swing arm pivot as the center. A sealing plate is slidably arranged inside it. The connecting shaft is rotatably inserted through the through hole of the sealing plate.

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