Sweeping device applied to sweeping robot

Abstract

The utility model relates to the field of automatic floor sweeping equipment, in particular to a sweeping device applied to a floor sweeping robot, which comprises a body, a rag component arranged on the body and an inward shrinkage mechanism arranged in the body and used for driving the rag component to lift, and is characterized in that a swing positioning mechanism is further arranged in the body, and the swing positioning mechanism is arranged on the body. One end of the inward retracting mechanism is rotationally connected with the interior of the body, the output end of the swing positioning mechanism is connected with the inward retracting mechanism, and the output end of the swing positioning mechanism has a motion trail moving towards the outside of the body; the swing positioning mechanism used in the cleaning robot has a movement track moving towards the outside of the body, and when the inward contraction mechanism is arranged at the output end of the swing positioning mechanism, the position of the inward contraction mechanism can be adjusted to the edge of the body or adjusted to the outside of the edge of the body, so that the cleaning cloth assembly is not affected by the shape of the cleaning robot; and a narrow space can still be cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic sweeping equipment field especially a kind of cleaning device applied to sweeping robot. BACKGROUND

[0002] The cleaning device of conventional sweeping robot can only drive cloth self-rotation, and the design area of cloth is limited, when sweeping robot encounters corner and narrow space, the effective area of sweeping robot work will slide down, cannot clean narrow space, and cleaning effect is not ideal. INVENTION CONTENTS

[0003] To solve the above problems, the utility model provides a kind of cleaning device applied to sweeping robot, can improve the effective area of cleaning in narrow space, improve cleaning effect.

[0004] To realize the above purpose, the utility model adopts the technical scheme of: a kind of cleaning device applied to sweeping robot, include body, be equipped with cloth assembly on body, and be equipped with in the body, drive cloth assembly to lift and lower inner shrink mechanism, it is characterized in that, body is also equipped with swing positioning mechanism, one end of inner shrink mechanism is rotatably connected with the inside of body, the output of swing positioning mechanism is connected with inner shrink mechanism, the output of swing positioning mechanism has the movement track of moving to the outside of body.

[0005] Further, the swing positioning mechanism includes a swing rod, an outward extending tooth, and a first motor. The swing rod is arranged on the inner shrink mechanism and connected with the inner shrink mechanism. The outward extending tooth is provided with an extension area extending outward. The output of the first motor is provided with a driving gear engaged with the outward extending tooth. The extension area is abutted on the swing rod through the rotation of the outward extending tooth.

[0006] Further, the extension area is extended outward from the side surface of the outward extending tooth.

[0007] Further, the swing positioning mechanism further includes an outward extending bottom shell. The swing rod and the outward extending tooth are arranged in the outward extending bottom shell. The swing rod is a rotating member provided with a pair of arm portions on the side surface. The outward extending bottom shell is further provided with a pair of limiting blocks and torsion springs for limiting the rotation amplitude of the rotating member. The limiting blocks are located on the rotation path of the arm portions. The rotating member is connected with the torsion springs.

[0008] Further, the limiting blocks are provided with shock-absorbing pads capable of abutting against the swing rod.

[0009] Further, the inner retraction mechanism comprises a telescopic part for lifting the cloth assembly, the telescopic part comprises an inner core, a connecting plate and an outer shell sleeved on the inner core, one end of the outer shell is connected with the cloth assembly, the other end is an open structure, the inner core is located in the outer shell, and the connecting plate is arranged on the open structure and connected with the outer shell, wherein a plurality of threaded grooves are arranged in the outer shell, a plurality of inclined sliding blocks are arranged on the outer periphery of the inner core, the inclined sliding blocks are in sliding connection with the threaded grooves, and the connecting plate is provided with a protruding part abutting against the inclined sliding blocks.

[0010] Further, a one-way bearing is further arranged on the outer shell.

[0011] Further, the cloth assembly comprises a rotating disc and a cloth, the rotating disc is connected with the outer shell, and the cloth is arranged on the ground-facing surface of the rotating disc.

[0012] Further, the inner retraction mechanism comprises a driving part, the driving part comprises a second motor, a worm gear mechanism and a gear set, the second motor is connected with the gear set through the worm gear mechanism, and an output gear of the gear set is sleeved on the inner core.

[0013] The utility model discloses the beneficial effects of the following:

[0014] 1. The swing positioning mechanism used in the utility model has a movement track moving outward from the body, when the inner retraction mechanism is arranged at the output end of the swing positioning mechanism, the position of the inner retraction mechanism can be adjusted to the edge of the body or outside the edge of the body, so that the cloth assembly can not be affected by the shape of the floor cleaning robot and still can clean narrow spaces.

[0015] 2. The swing mode can avoid interference between the cloth assemblies, in addition, the swing mode can adjust the position of the cloth assembly to a farther place, and further improve the effective cleaning area. DRAWINGS

[0016] Figure 1 It is the perspective view of the utility model.

[0017] Figure 2 It is Figure 1 It is the perspective view of another visual surface.

[0018] Figure 3 It is Figure 1 It is the perspective view after the outer extension upper shell is removed.

[0019] Figure 4 It is Figure 3 It is the perspective view after the outer extension lower shell is hidden.

[0020] Figure 5 It is Figure 4 It is the use state diagram when the telescopic part is extended.

[0021] Figure 6 is a perspective view of the retraction mechanism.

[0022] Figure 7 is an exploded view of Figure 6 .

[0023] Figure 8 is a perspective view of the housing.

[0024] Figure 9 is a sectional view of the housing.

[0025] Figure 10 is a perspective view of the swing positioning mechanism.

[0026] Figure 11 is a perspective view of the drive portion.

[0027] Figure 12 is a perspective view of Figure 11 another aspect.

[0028] Figure 13 is a perspective view of the combination of the connecting plate and the inner core. DETAILED DESCRIPTION

[0029] As Figures 1-13 described, the utility model is applied to the cleaning device of the sweeping robot, and the cleaning device can improve the cleaning effect of the sweeping robot in a narrow area.

[0030] The cleaning device comprises extension supports 100 and extension bottom shells 101 which are spliced with each other, the combination of the extension supports 100 and the extension bottom shells 101 forms a cavity in which a retraction mechanism 2 and a swing positioning mechanism 3 are arranged, the bottom of the cavity is of an open structure, one end of the retraction mechanism 2 is rotationally connected to the inside of the body, the output end of the swing positioning mechanism 3 is connected to the retraction mechanism 2, the output end of the swing positioning mechanism 3 has a movement track moving outward of the body, so that the retraction mechanism 2 can be adjusted to the edge of the body or outside the edge of the body, therefore, the cloth assembly 4 can still clean in a narrow space without being affected by the shape of the sweeping robot.

[0031] The swing mode can avoid interference between the cloth assemblies 4, and the swing mode can adjust the position of the cloth assembly 4 to a farther place, further improving the effective cleaning area.

[0032] The swing positioning mechanism 3 comprises a swing lever 31, an extension tooth 32 and a first motor 33. The swing lever 31 is arranged on the surface of the retraction mechanism 2 and connected with the retraction mechanism 2. The extension tooth 32 is provided with an extension area 32a extending outward. The output end of the first motor 33 is provided with a driving gear meshing with the extension tooth 32. The extension area 32a abuts against the swing lever 31 through the rotation of the extension tooth 32. When the first motor 33 drives the extension tooth 32 to rotate, the extension area 32a pushes the swing lever 31 to rotate the whole retraction mechanism 2. This design has the advantages of using few parts to rotate the retraction mechanism 2, and occupying small space, which can be applied to small devices such as the sweeping robot.

[0033] Further, the extension area 32a extends outward from the side surface of the extension tooth 32, which aims to extend the occupied space in the horizontal direction and reduce the occupation of the longitudinal space.

[0034] Further, the swing lever 31 and the extension tooth 32 are arranged in the extension bottom shell 101. The swing lever 31 is a rotating piece 31a provided with a pair of arm portions 31b. The extension bottom shell 101 is further provided with a pair of limiting blocks 35 and a torsion spring 34 limiting the rotation amplitude of the rotating piece 31a. The limiting block 35 is located on the rotation path of the arm portion 31b, and the rotating piece 31a is connected with the torsion spring 34. The swing lever 31 comprises two driving modes of forward rotation and reverse rotation, and comprises the reset of the torsion spring 34 and the active driving of the first motor 33. One of the limiting blocks 35 ensures that the position of the arm portion 31b will not be out of the rotation range of the extension area 32a due to the reset of the torsion spring 34. The other limiting block 35 and the extension area 32a constrain the arm portion 31b to ensure that the swing lever 31 will not be loose.

[0035] Further, the limiting block 35 is provided with a shock pad capable of abutting against the swing lever 31, which is used to alleviate the force of the swing lever 31 hitting the limiting block 35 and reduce the wear between them.

[0036] Further, the inner retraction mechanism 2 comprises a telescopic part for lifting the cloth assembly 4, the telescopic part comprises an inner core 22, a connecting plate 23 and an outer shell 21 sleeved on the inner core 22, one end of the outer shell 21 is connected with the cloth assembly 4, the other end is an open structure, the inner core 22 is located in the outer shell 21, the connecting plate 23 is arranged on the open structure and connected with the outer shell 21, wherein a plurality of threaded grooves 21a are arranged in the outer shell 21, a plurality of inclined sliding blocks 22a are arranged on the outer periphery of the inner core 22, the inclined sliding blocks 22a are slidably connected with the threaded grooves 21a, and a limiting portion 23a abutting against the inclined sliding blocks 22a is arranged on the connecting plate 23; the purpose is to integrate the functions of the mechanism for driving the cloth assembly 4 to lift and the mechanism for driving the cloth assembly 4 to rotate, so that the use of the two mechanisms can be saved, and the structure of the cleaning device is simple, practical and low in cost.

[0037] The specific use process of the extension is as follows: the inner core 22 is reversely rotated to separate the outer shell 21 from the inner core 22, the outer shell 21 moves close to the ground, when the inner core 21 is reversely rotated, the inclined sliding blocks 22a on the outer periphery of the inner core 22 will touch the limiting portion 23a at the end of the threaded groove 21a and apply pressure to the limiting portion 23a, the limiting portion 23a is arranged on the connecting plate 23, and the connecting plate 23 is connected with the outer shell 21, so that the entire outer shell 21 is rotated to drive the cloth assembly 4 to rotate.

[0038] It should be noted that after the connecting plate 23 is installed on the outer shell 21, the limiting portion 23a is located at the end position of the threaded groove 21a and has a restraining effect on the inclined sliding blocks 22a, so as to ensure that the inclined sliding blocks 22a will not be separated from the threaded groove 21a.

[0039] Further, a one-way bearing is further arranged on the outer shell 21, because the outer shell 21 is located in the abutting piece (the abutting piece is one part of the outer extension support 100) in the body, the abutting piece is sleeved on the one-way bearing, so that when the outer shell 21 rotates, the abutting piece will not provide a reverse rotating force to the outer shell 21, and the outer shell 21 will not be damaged by the forces in two different rotating directions.

[0040] Further, the cloth assembly 4 comprises a rotating disc 41 and a cloth 42, the rotating disc 41 is connected with the bottom of the outer shell 21, and the cloth 42 is arranged on the ground-facing surface of the rotating disc 41.

[0041] Further, the inner retraction mechanism 2 comprises a driving part, which comprises a second motor 200, a worm gear mechanism 201, and a gear set 202, the second motor 200 is connected with the gear set 202 through the worm gear mechanism 201, and an output gear of the gear set 202 is sleeved on the inner core 22, this transmission mode comprises a large number of gear meshing, which has the advantages of high transmission efficiency, relatively low energy loss, and compact structure, and is very suitable for the current small-sized sweeping robot.

[0042] The above embodiments only describe the preferred embodiments of the present application, and do not limit the scope of the present application, and various modifications and improvements of the technical scheme of the present application made by the ordinary engineering technicians in the art without departing from the design spirit of the present application shall fall within the protection scope determined by the claims of the present application.

Claims

1. A cleaning device applied to a sweeping robot, comprising a body, a wiping cloth assembly arranged on the body, and a retracting mechanism arranged in the body and configured to drive the wiping cloth assembly to move up and down, characterized in that, The body is also provided with a swing positioning mechanism, one end of the inner retraction mechanism is rotationally connected with the inside of the body, the output end of the swing positioning mechanism is connected with the inner retraction mechanism, and the output end of the swing positioning mechanism has a movement track moving outwardly from the body.

2. The cleaning device applied to the sweeping robot according to claim 1, characterized in that, The swing positioning mechanism comprises a swing rod, an outward extending tooth, and a first motor, the swing rod is arranged on the inner retraction mechanism and connected with the inner retraction mechanism, the outward extending tooth is provided with an outward extending extension area, the output end of the first motor is provided with a driving gear meshing with the outward extending tooth, and the extension area is abutted against the swing rod through rotation of the outward extending tooth.

3. The cleaning device applied to the sweeping robot according to claim 2, characterized in that, The extension area is outwardly extended from the side surface of the outward extending tooth.

4. The cleaning device applied to the sweeping robot according to claim 2, characterized in that, The swing rod and the outward extending tooth are arranged in an outward extending bottom shell, the swing rod is a rotary member provided with a pair of arm portions on the side surface, the outward extending bottom shell is also provided with a pair of limiting blocks and torsional springs limiting the rotation amplitude of the rotary member, the limiting blocks are located on the rotation path of the arm portions, and the rotary member is connected with the torsional springs.

5. The cleaning device applied to the sweeping robot according to claim 4, characterized in that, The limiting blocks are provided with shock absorbing pads capable of abutting against the swing rod.

6. The cleaning device applied to a sweeping robot according to claim 1, characterized in that, The inner retraction mechanism comprises a telescopic part lifting the wiping cloth assembly, the telescopic part comprises an inner core and an outer shell sleeved on the inner core, the end of the outer shell is connected with the wiping cloth assembly, the outer shell is provided with a plurality of threaded grooves, the outer periphery of the inner core is provided with a plurality of inclined sliding blocks, and the inclined sliding blocks are slidably connected with the threaded grooves.

7. The cleaning device applied to a sweeping robot according to claim 6, characterized in that, The telescopic part is also provided with a one-way bearing sleeved on the outer shell.

8. The cleaning device applied to the sweeping robot according to claim 6 or 7, characterized in that, The wiping cloth assembly comprises a rotating disc and a wiping cloth, the rotating disc is connected with the outer shell, and the wiping cloth is arranged on the ground-facing surface of the rotating disc.

9. The cleaning device applied to a sweeping robot according to claim 6, characterized in that, The inner retraction mechanism comprises a driving part, the driving part comprises a second motor, a worm gear mechanism, and a gear set, the second motor is connected with the gear set through the worm gear mechanism, and the output gear of the gear set is sleeved on the inner core.

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