Dust collection accessory with self-walking device

Abstract

The utility model provides a dust collection accessory with a self-walking device, which comprises a base which can reciprocate on a horizontal plane and is provided with a rolling brush chamber, a rolling brush which is arranged in the rolling brush chamber and can rotate around a rolling brush shaft, and the self-walking device for driving the rolling brush to rotate, the self-walking device comprises a walking wheel arranged at the bottom of the base, and a transmission module with one end in transmission connection with the walking wheel and the other end in transmission connection with the rolling brush, wherein the bottom of the walking wheel makes friction contact with the horizontal plane. The utility model has the advantages that a self-walking structure is adopted, the use of a rolling brush motor is avoided, and meanwhile, the power consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cleaning electric appliances, and particularly relates to a dust collection accessory with a self-walking device. BACKGROUND

[0002] With the improvement of people's life, cleaning electric appliances also enter thousands of households, and in order to cooperate with the use of cleaning electric appliances, the dust collection accessory as an accessory of the cleaning electric appliance is more important. The existing dust collection accessory includes a roller brush and a roller brush motor for driving the roller brush, which needs to use a separate roller brush motor, has high cost and needs to consume power, for example, Chinese invention patent CN110236446A.

[0003] Therefore, it is necessary to provide a new technical scheme to overcome the above defects. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a dust collection accessory with a self-walking device which can effectively solve the above technical problems, adopts a self-walking structure, avoids the use of a roller brush motor, and reduces the consumption of power.

[0005] In order to achieve the purpose of the utility model, the following technical scheme is adopted: a dust collection accessory with a self-walking device, which comprises a base capable of reciprocating on a horizontal plane and having a roller brush chamber, a roller brush arranged in the roller brush chamber and capable of rotating around a roller brush shaft, and a self-walking device for driving the roller brush to rotate, wherein the self-walking device comprises: a walking wheel arranged at the bottom of the base and frictionally contacting the horizontal plane at the bottom, and a transmission module having one end connected in transmission with the walking wheel and the other end connected in transmission with the roller brush.

[0006] On the basis of the above technical scheme, the following subsidiary technical schemes are further included:

[0007] The transmission module comprises a clutch gear meshing with the walking wheel, a first transmission gear in transmission with the clutch gear, a second transmission gear in transmission with the first transmission gear, a third transmission gear in transmission with the second transmission gear, and a fourth transmission gear having one end in transmission with the third transmission gear and the other end driving the roller brush to rotate, wherein the walking wheel is provided with a walking meshing surface, and the clutch gear is provided with a clutch meshing surface meshing with the walking meshing surface and arranged in a single direction.

[0008] The transmission module further comprises a transmission seat at one side of the base and a transmission cover plate connected with the transmission seat, wherein the first transmission gear, the second transmission gear, the third transmission gear and the fourth transmission gear are all located between the transmission seat and the transmission cover plate.

[0009] Further comprising a connecting head arranged on the base and rotatably connected, wherein the internal passage of the connecting head is located downstream of the roller brush chamber.

[0010] The transmission module further comprises a clutch spring abutting against the clutch gear at one end and against the transmission cover at the other end, and a connecting shaft penetrating the clutch spring and connected with the clutch gear.

[0011] The transmission cover comprises a plurality of shaft portions and a plurality of locking arms located at the periphery and connected with the transmission base, and the transmission module further comprises a plurality of transmission shafts respectively connected with the first transmission gear, the second transmission gear and the third transmission gear at one end, and the other end of the transmission shaft is connected with the corresponding shaft portion.

[0012] The transmission module further comprises a matching shaft connected with the fourth transmission gear at one end, a bearing sleeved on the matching shaft, and a roller brush transmission portion connected with the other end of the matching shaft and driving the roller brush.

[0013] Further comprising a balance wheel located at the bottom of the base and in contact with the horizontal plane, and the walking wheel and the balance wheel are respectively located at both sides of the base and at the rear end of the roller brush.

[0014] Further comprising a rotating wheel located between the walking wheel and the roller brush.

[0015] To achieve another purpose of the utility model, the following technical scheme is adopted: a dust suction accessory with a self-walking device, comprising a base capable of reciprocating on a horizontal plane and having a roller brush chamber, a roller brush arranged in the roller brush chamber and capable of rotating around a roller brush shaft, and a self-walking device driving the rotation of the roller brush, wherein the self-walking device comprises a walking wheel arranged at the bottom of the base and in frictional contact with the horizontal plane at the bottom, and a transmission module connected with the walking wheel at one end and connected with the roller brush at the other end, wherein the transmission module has a clutch transmission mechanism allowing the walking wheel to rotate in one direction.

[0016] Compared with the prior art, the utility model has the beneficial effects that the self-walking structure is adopted, the use of the roller brush motor is avoided, and the consumption of electric power is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the utility model and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model.

[0018] Fig. 1 It is a perspective view of the utility model, wherein part of the structure is removed.

[0019] Fig. 2 It is a side view of the utility model.

[0020] Fig. 3 It is a bottom view of the utility model.

[0021] Fig. 4 is a decomposition view of the utility model. DETAILED DESCRIPTION

[0022] In order to make the utility model embodiment purposes, technical scheme and advantages more clearly, the following will combine the technical scheme in the utility model embodiment to make clear, complete description, obviously, the described embodiment is the part embodiment of the utility model, rather than all embodiments.

[0023] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "transverse", "longitudinal", "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the protection scope of the utility model. When a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as "connected to" another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as "provided on" another component, it can be directly provided on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and the like used in this paper are only for illustrative purposes.

[0024] As Figs. 1 to 4 shown, the utility model provides an embodiment of dust collection accessory with self walking device, it includes the base 1000 that can do reciprocating motion on a horizontal plane and has the rolling brush chamber 1200, the connecting head 2000 that is set up on the base 1000 and can be rotatable connection, the rolling brush 3000 that is set up in the rolling brush chamber 1200 and can rotate around the rolling brush axle, and the self walking device of driving rolling brush 3000 rotation, wherein the self walking device includes: the walking wheel 4840 that is set up in the bottom of base 1000 and the bottom friction contact horizontal plane, and the transmission module of one end and walking wheel 4840 transmission connection while the other end and rolling brush 3000 transmission connection. The direction of rolling brush axle and horizontal plane are parallel to each other.

[0025] The base 1000 includes a plurality of rolling brush chamber air inlets 1220 located in front of the rolling brush chamber 1200 and communicated with the rolling brush chamber 1200, and a rolling brush lock catch 1240 connected with the rolling brush 3000. The rolling brush lock catch 1240 is used to detachably remove the rolling brush 3000 from the base 1000.

[0026] The connecting head 2000 comprises a flow guide pipe 2020 connected to the cleaning appliance, and can rotate forward, backward, left and right relative to the base 1000, wherein the internal passage of the connecting head 2000 is located downstream of the rolling brush chamber 1200, and outputs airflow to the cleaning appliance through the flow guide pipe 2020.

[0027] The transmission module comprises a clutch gear 4620 engaged with the walking wheel 4840, a first transmission gear 4630 in transmission with the clutch gear 4620, a second transmission gear 4650 in transmission with the first transmission gear 4630, a third transmission gear 4670 in transmission with the second transmission gear 4650, and a fourth transmission gear 4690 having one end in transmission with the third transmission gear 4670 and the other end driving the rolling brush 3000 to rotate, and the outer surface of the walking wheel 4840 is sleeved with a friction ring 4846 to enhance the friction coefficient. The walking wheel 4840 is provided with a walking engagement surface 4842, and the clutch gear 4620 is provided with a clutch engagement surface 4622 which is mutually engaged with the walking engagement surface 4842 and is arranged in a single direction.

[0028] The transmission module further comprises a transmission seat 4200 located at one side of the base 1000, a transmission cover plate 4400 connected with the transmission seat 4200, a clutch spring 4624 having one end in abutting contact with the clutch gear 4620 and the other end abutting on the transmission cover plate 4400, a connecting shaft 4628 passing through the center of the clutch spring 4624 and connected with the clutch gear 4620, a matching shaft 4696 having one end axially connected with the fourth transmission gear 4690, a bearing 4700 sleeved on the matching shaft 4696, and a rolling brush transmission part 4720 connected with the other end of the matching shaft 4696 and driving the rolling brush 3000, wherein the first transmission gear 4630, the second transmission gear 4650, the third transmission gear 4670 and the fourth transmission gear 4690 are located between the transmission seat 4200 and the transmission cover plate 4400. The transmission cover plate 4400 comprises a plurality of shaft-shaped parts 4420 and a plurality of lock arms 4440 located at the circumferential side and buckled with the transmission seat 4200, and the transmission module further comprises a plurality of transmission shafts having one end axially connected with the first transmission gear 4630, the second transmission gear 4650 and the third transmission gear 4670 respectively, and the other end connected with the corresponding shaft-shaped parts 4420. The shaft-shaped parts 4420 are provided with corresponding holes to allow the transmission shafts to be inserted.

[0029] The embodiment further comprises a balance wheel 4860 located at the bottom of the base 1000 and in contact with the horizontal plane, a rotating wheel 3400 located between the walking wheel 4840 and the rolling brush 3000, and a scraping strip 5000 located between the rotating wheel 3400 and the rolling brush 3000, wherein the walking wheel 4840 and the balance wheel 4860 are located at both sides of the base 1000 and at the rear end of the rolling brush 3000, and the balance wheel 4860 and the walking wheel 4840 are of the same specification to ensure smooth movement.

[0030] In operation, when the user pushes the dusting accessory of the present embodiment forward, the walking wheel 4840 rotates clockwise due to the large friction coefficient of the friction ring 4846, at this time, the clutch engagement surface 4622 of the clutch gear 462 and the walking engagement surface 4842 are engaged together, driving the clutch gear to rotate accordingly, thereby driving the first transmission gear 4630, the second transmission gear 4650, the third transmission gear 4670, and the fourth transmission gear 4690 to rotate, since the fourth transmission gear 4690 is coaxially arranged with the roller brush transmission part 4720, the roller brush 3000 is ultimately driven to rotate accordingly. When the user pushes the dusting accessory of the present embodiment backward, the walking wheel 4840 rotates counterclockwise, since the clutch engagement surface 4622 and the walking engagement surface 4842 cannot be engaged together, the gear transmission cannot be achieved, thereby the roller brush 3000 is stopped.

[0031] The self-walking structure is adopted, the use of the roller brush motor is avoided, and the consumption of power is reduced.

[0032] The standard parts used in the present utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, and the contents not described in detail in the present specification belong to the prior art known by the person skilled in the art.

[0033] It should be understood that the above description can be improved or changed by those skilled in the art, and all these improvements and changes shall belong to the protection scope of the appended claims of the present utility model.

Claims

1. A cleaning attachment having a self-propelled device, characterized in that The invention comprises a base (1000) capable of reciprocating on a horizontal plane and having a roller brush chamber (1200), a roller brush (3000) disposed in the roller brush chamber (1200) and capable of rotating about a roller brush axis, and a self-propelled device for driving the roller brush (3000) to rotate, wherein the self-propelled device comprises: a traveling wheel (4840) disposed at the bottom of the base (1000) and having the bottom frictionally contacting the horizontal plane, and a transmission module having one end transmission-connected to the traveling wheel (4840) and the other end transmission-connected to the roller brush (3000), the transmission module comprising a clutch gear (4620) meshing with the traveling wheel (4840), a clutch gear (4621) meshing with the clutch gear (4622), and a transmission module (4622) meshing with the traveling wheel (4840). A first transmission tooth (4630) meshed with the gear (4620) for transmission, a second transmission tooth (4650) meshed with the first transmission tooth (4630) for transmission, a third transmission tooth (4670) meshed with the second transmission tooth (4650) for transmission, and a fourth transmission tooth (4690) meshed with the third transmission tooth (4670) at one end for transmission and driving the roller brush 3000 to rotate at the other end, wherein the traveling wheel (4840) is provided with a traveling meshing surface (4842), and the clutch gear (4620) is provided with a clutch meshing surface (4622) meshed with the traveling meshing surface (4842) and arranged in one direction.

2. A cleaning attachment according to claim 1, wherein: The transmission module further comprises a transmission seat (4200) located on one side of the base (1000) and a transmission cover plate (4400) connected to the transmission seat (4200), wherein the first transmission tooth (4630), the second transmission tooth (4650), the third transmission tooth (4670), and the fourth transmission tooth (4690) are all located between the transmission seat (4200) and the transmission cover plate (4400).

3. The cleaning attachment of claim 1, wherein It also includes a connecting head (2000) that is arranged on the base (1000) and is rotatably connected, wherein the internal channel of the connecting head (2000) is located downstream of the rolling brush chamber (1200).

4. A cleaning attachment according to claim 1 or 2, wherein: The transmission module further includes a clutch spring (4624) having one end in contact with the clutch gear (4620) and the other end in contact with the transmission cover (4400), and a connecting shaft (4628) passing through the center of the clutch spring (4624) and connected to the clutch gear (4620).

5. A cleaning attachment according to claim 4, wherein: The transmission cover plate (4400) includes a plurality of shaft-like portions (4420), and a plurality of locking arms (4440) located on the peripheral side and snap-connected to the transmission seat (4200), wherein the transmission module further includes a plurality of transmission shafts, one end of which is axially connected to the first transmission tooth (4630), the second transmission tooth (4650), and the third transmission tooth (4670), respectively, wherein the other end of the transmission shaft is connected to the corresponding shaft-like portion (4420).

6. The cleaning attachment of claim 2, wherein: The transmission module further includes a mating shaft (4696) having one end axially connected to the fourth transmission tooth (4690), a bearing (4700) sleeved on the mating shaft (4696), and a roller brush transmission portion (4720) connected to the other end of the mating shaft (4696) and driving the roller brush (3000).

7. The cleaning attachment of claim 1, wherein The balancing wheel (4860) is arranged at the bottom of the base (1000) and contacts the horizontal surface. The walking wheel (4840) and the balancing wheel (4860) are arranged at two sides of the base (1000) and at the rear end of the rolling brush (3000) respectively.

8. The cleaning attachment of claim 1, wherein The rotating wheel (3400) is arranged between the walking wheel (4840) and the rolling brush (3000).

9. A cleaning attachment having a self-propelled device, characterized in that The base (1000) can move back and forth on the horizontal surface and has a rolling brush chamber (1200). The rolling brush (3000) is arranged in the rolling brush chamber (1200) and can rotate around the rolling brush shaft. The self-walking device drives the rolling brush (3000) to rotate. The self-walking device comprises the walking wheel (4840) arranged at the bottom of the base (1000) and frictionally contacting the horizontal surface, and the transmission module having one end connected with the walking wheel (4840) and the other end connected with the rolling brush (3000). The transmission module has the clutch transmission mechanism for allowing the walking wheel (4840) to rotate in one direction. The transmission module comprises the clutch gear (4620) engaged with the walking wheel (4840), the first transmission gear (4630) in transmission with the clutch gear (4620), the second transmission gear (4650) in transmission with the first transmission gear (4630), the third transmission gear (4670) in transmission with the second transmission gear (4650), and the fourth transmission gear (4690) having one end engaged with the third transmission gear (4670) and the other end driving the rolling brush (3000) to rotate. The walking wheel (4840) is provided with the walking engagement surface (4842), and the clutch gear (4620) is provided with the clutch engagement surface (4622) engaged with the walking engagement surface (4842) and arranged in one direction.

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