Transmission device, cleaning module and cleaning equipment

Abstract

The utility model discloses a transmission device, a cleaning module and cleaning equipment. The cleaning equipment comprises a machine body and a side brush assembly, the transmission device comprises a rotating body, a swing arm and an elastic part, the rotating body is rotationally arranged relative to the machine body, the elastic part is connected with the rotating body and the swing arm, at least the elastic part is configured to enable the rotating body and the swing arm to be kept at the relative static position, and the side brush assembly is arranged on the swing arm; the rotating body rotates so as to drive the side brush assembly to be switched between the first operation position and the second operation position through the swing arm. Therefore, the side brush assembly can be moved to the operation position meeting the requirements of the corresponding cleaning range, so that the requirements of different cleaning ranges are met, the cleaning range of the side brush assembly is enlarged, and the cleaning effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of smart home, and particularly to a transmission device, a cleaning module and a cleaning device. Background Art

[0002] At present, cleaning robots, such as floor sweepers, usually adopt a brushing method to suck ground debris into their own dust boxes, so as to complete the function of cleaning the ground. In order to clean the area outside the main brush, a side brush assembly is usually arranged on the floor sweeping robot to increase the cleaning range. However, the current transmission device of the side brush assembly has a simple design and a single function, and can only drive the side brush to rotate automatically for cleaning, resulting in a relatively fixed position of the side brush and a small cleaning range. Summary of the Utility Model

[0003] A series of simplified concepts are introduced in the summary of the utility model, which will be further described in detail in the detailed implementation part. This part of the utility model does not mean to attempt to define the key features and essential technical features of the claimed technical solution, nor does it mean to attempt to determine the protection scope of the claimed technical solution.

[0004] An embodiment of the first aspect of the utility model provides a transmission device applied to a cleaning device. The cleaning device includes a machine body and a side brush assembly. The transmission device includes: a rotating body, a swing arm and an elastic member. The rotating body is rotatably arranged relative to the machine body. The elastic member connects the rotating body and the swing arm. At least the elastic member is configured to keep the rotating body and the swing arm in a relatively static position. The side brush assembly is arranged on the swing arm. Wherein, the rotating body rotates to drive the side brush assembly to switch between a first operating position and a second operating position through the swing arm.

[0005] Further, a limiting portion is arranged on the rotating body and / or the swing arm. The elastic member and the limiting portion cooperate to keep the rotating body and the swing arm in a relatively static position.

[0006] Further, when the side brush assembly switches from the first operating position to the second operating position, the rotation direction of the swing arm is the first direction. The swing arm is configured to rotate relative to the rotating body along the first direction from the relatively static position under the action of an external force, so that the elastic member deforms.

[0007] Further, the elastic member releases elastic potential energy to drive the swing arm to rotate along a second direction, where the second direction is opposite to the first direction.

[0008] Further, when the side brush assembly switches from the second operating position to the first operating position, the rotation direction of the swing arm is the second direction. The elastic member and the limiting portion also cooperate to prevent the swing arm from rotating relative to the rotating body along the second direction from the relatively static position.

[0009] Further, the elastic member is a torsion spring. The torsion spring is sleeved on the rotating shaft of the swing arm or the rotating shaft of the rotating body. The first torsion arm of the torsion spring is connected to the swing arm, and the second torsion arm of the torsion spring is connected to the rotating body.

[0010] Further, the transmission device further includes: a connecting shaft, the connecting shaft is fixedly arranged relative to the machine body, the swing arm and the rotating body are coaxially arranged with the connecting shaft as the rotation axis, and the torsion spring is sleeved on the connecting shaft.

[0011] Further, the rotating body is arranged in a fan-shaped structure; and / or the number of torsion springs is at least one.

[0012] Further, the limiting portion includes a first slot arranged on the swing arm, and the first torsion arm is inserted into the first slot.

[0013] Further, the limiting portion includes a second slot arranged on the rotating body, and the second torsion arm is inserted into the second slot.

[0014] Further, the transmission device further includes: a first driving component, the first driving component is used to drive the rotating body to rotate; a housing, the housing is connected to the machine body, an opening is arranged on one side of the housing, the first driving component, the rotating body, and the elastic member are installed inside the housing, the rotating body is rotatably arranged relative to the housing, and the swing arm passes through the opening and is rotatably arranged relative to the housing.

[0015] Further, the first driving component includes a first driving portion and a first transmission portion, and the first transmission portion is in transmission connection with the first driving portion and the rotating body.

[0016] Further, the housing of the transmission device is provided with a first installation space and a second installation space communicated through an avoidance opening. The first driving portion is located in the first installation space, the rotating body and the elastic member are located in the second installation space, the first transmission portion communicates with the first driving portion and the rotating body through the avoidance opening, and the opening of the housing communicates with the second installation space.

[0017] Further, the transmission device further includes: a second driving component, the second driving component is installed on the swing arm, and the second driving component is used to connect with the side brush component to drive the side brush component to rotate relative to the swing arm.

[0018] Further, the second driving component and the side brush component are located on the swing arm outside the housing of the transmission device.

[0019] Further, the second driving component includes a second driving portion and a second transmission portion. The second driving portion and the side brush component are located on both sides of the swing arm, and the second transmission portion is located inside the swing arm.

[0020] Further, the transmission device further includes: a position detection device, the position detection device is used to detect the rotation position of the rotating body, and the first driving component rotates or stops rotating according to the detection result of the position detection device.

[0021] Furthermore, the position detection device includes a first position switch and a second position switch distributed on the circumferential side of the rotating body. The rotating body is provided with a first acting part and a second acting part at intervals along the rotation direction. The first acting part is adapted to trigger the first position switch to act to change the detection signal, and the second acting part is adapted to trigger the second position switch to act to change the detection signal.

[0022] Furthermore, a detection port is formed on the housing of the transmission device. The first position switch and the second position switch are installed outside the housing, and part of the first position switch and part of the second position switch extend into the housing through the detection port.

[0023] Furthermore, an annular groove for avoiding the first acting part and the second acting part is arranged inside the housing. The detection port is located at the bottom of the annular groove. Concave parts are formed on both sides of the annular groove outside the housing, and connecting parts connected to the first position switch and the second position switch are arranged in the concave parts.

[0024] An embodiment of the second aspect of the present utility model provides a cleaning module, including: a side brush assembly, and the transmission device according to any one of the first aspect.

[0025] An embodiment of the third aspect of the present utility model provides a cleaning device, including: a machine main body; and the cleaning module of the second aspect; wherein, at least part of the side brush assembly in the first operation position is located inside the machine main body in the horizontal direction, at least part of the side brush assembly in the second operation position is located outside the machine main body in the horizontal direction, and the area of the side brush assembly in the second operation position outside the horizontal direction of the machine main body is larger than the area of the side brush assembly in the first operation position outside the horizontal direction of the machine main body.

[0026] For the transmission device, cleaning module and cleaning device provided by the present utility model, the transmission device is provided with a rotating body, a swing arm, and an elastic member. The elastic member connects the rotating body and the swing arm, and at least the elastic member is used to keep the rotating body and the swing arm in a relatively static position. By arranging the side brush assembly on the swing arm, the rotating body can rotate relative to the machine main body according to the cleaning range requirement of the cleaning device, so as to drive the side brush assembly to switch between the first operation position and the second operation position through the swing arm, so as to move the side brush assembly to the operation position that meets the corresponding cleaning range requirement, so as to meet the requirements of different cleaning ranges, expand the cleaning range of the side brush assembly, be beneficial to improving the cleaning effect, and improving the cleaning experience of users.

[0027] The above description is only an overview of the technical solution of the present utility model. In order to be able to understand the technical means of the present utility model more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features and advantages of the present utility model more obvious and easy to understand, the following specifically gives the specific embodiments of the present utility model. Description of the Drawings

[0028] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for the purpose of showing the preferred embodiments and are not considered to be a limitation of the present utility model. Also, throughout the drawings, the same reference numerals are used to represent the same components. Among them:

[0029] Figure 1 shows a schematic structural view of a cleaning module provided by an embodiment of the present utility model from one perspective;

[0030] Figure 2 shows a schematic structural view of a cleaning module provided by an embodiment of the present utility model from another perspective;

[0031] Figure 3 shows a schematic structural view of a cleaning module provided by an embodiment of the present utility model from yet another perspective;

[0032] Figure 4 shows a schematic structural view of a cleaning module provided by an embodiment of the present utility model from still another perspective;

[0033] Figure 5 shows Figure 4 a cross-sectional view of the cleaning module of the illustrated embodiment in the A-A direction;

[0034] Figure 6 shows Figure 4 a cross-sectional view of the cleaning module of the illustrated embodiment in the B-B direction;

[0035] Figure 7 shows a schematic structural view of a rotating body provided by an embodiment of the present utility model from one perspective;

[0036] Figure 8 shows a schematic structural view of a rotating body provided by an embodiment of the present utility model from another perspective;

[0037] Figure 9 shows a schematic structural view of an assembled swing arm, connecting shaft, and elastic member provided by an embodiment of the present utility model from one perspective;

[0038] Figure 10 shows a schematic structural view of an assembled swing arm and elastic member provided by an embodiment of the present utility model from one perspective;

[0039] Figure 11 shows a schematic structural view of a housing provided by an embodiment of the present utility model from one perspective;

[0040] Figure 12 shows a schematic structural view of a housing provided by an embodiment of the present utility model from another perspective.

[0041] Among them, Figures 1 to 12 the corresponding relationship between the reference numerals in the drawings and the component names is as follows:

[0042] 100 Transmission device, 110 First driving assembly, 111 First driving part, 112 First transmission part, 120 Rotating body, 121 Second slot, 122 Tooth part, 123 First acting part, 124 Second acting part, 130 Swing arm, 140 Elastic member, 141 First torsion arm, 142 Second torsion arm, 150 Connecting shaft, 160 Housing, 161 Opening, 162 Avoidance opening, 163 First installation space, 164 Second installation space, 165 Detection opening, 166 Annular groove, 167 Concave part, 168 Connecting part, 170 Second driving assembly, 171 Second driving part, 172 Second transmission part, 180 Position detection device, 181 First position switch, 182 Second position switch, 200 Cleaning module, 210 Side brush assembly. Detailed implementation manners

[0043] In the following description, numerous specific details are given in order to provide a more thorough understanding of the technical solutions provided by the present utility model. However, it is obvious to those skilled in the art that the technical solutions provided by the present utility model can be implemented without one or more of these details.

[0044] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of the described features, wholes, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or their combinations.

[0045] Now, the exemplary embodiments according to the present utility model will be described in more detail with reference to the drawings. However, these exemplary embodiments can be implemented in many different forms and should not be construed as being limited only to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of the present utility model is thorough and complete, and the concepts of these exemplary embodiments are fully conveyed to those of ordinary skill in the art.

[0046] Such as Figures 1 to 12As shown, an embodiment of the first aspect of the present utility model provides a transmission device 100, an embodiment of the second aspect of the present utility model provides a cleaning module 200, and an embodiment of the third aspect of the present utility model provides a cleaning device. Among them, the transmission device 100 is applied to the cleaning module 200, and the cleaning module 200 is applied to the cleaning device. The cleaning device can be a floor sweeping robot, a mopping and sweeping integrated machine, or other cleaning robots that meet the requirements.

[0047] Specifically, the cleaning device includes but is not limited to: a machine body, a cleaning system, a driving system, etc. The above-mentioned various systems cooperate with each other to enable the cleaning device to move autonomously to achieve the cleaning function. The functional elements and the like that constitute the above-mentioned various systems in the cleaning device are integrally arranged in the machine body. It can be understood that the cleaning device can be a self-moving cleaning device, where the self-moving cleaning device is a device that automatically performs cleaning operations in a certain area to be cleaned without the operation of the user.

[0048] Among them, the machine body includes a front part and a rear part, which can have an approximate circular shape or other shapes, including but not limited to an approximate D-shaped shape with a round rear and a rectangular or square shape with a front and a rear.

[0049] Among them, the cleaning system includes a dry cleaning system, that is, the cleaning device can be a floor sweeping robot, or the cleaning system includes a wet cleaning system and a dry cleaning system, that is, the cleaning device can be a mopping and sweeping integrated machine.

[0050] Among them, the dry cleaning system can include a rolling brush, a dust box, and a suction fan. The rolling brush that has a certain interference with the ground sweeps up the garbage on the ground and rolls it to the front of the suction port between the rolling brush and the dust box, and then is sucked into the dust box by the suction gas generated by the suction fan and passing through the dust box.

[0051] Furthermore, for the cleaning device provided by the embodiment of the present utility model, the cleaning system may further include a side brush assembly 210. The side brush assembly 210 is rotatably connected to the machine body and is used to move debris and other sundries outside the rolling brush area into the rolling brush area of the cleaning system.

[0052] Currently, for the cleaning devices in the related art, the transmission device of the side brush assembly is simply designed and has a single function, and can only drive the side brush assembly to rotate for cleaning, resulting in a relatively fixed position of the side brush assembly, leading to a small cleaning range. For example, the current side brush assembly is located below the machine body, and most of the side brush assemblies are located inside the machine body in the horizontal direction, and only a small part of the side brush assemblies are located outside the machine body in the horizontal direction. For example, usually only part of the bristles of the side brush assembly are located outside the machine body in the horizontal direction. Due to the limitation of the machine body, the current cleaning device cannot clean the surface to be cleaned at the corner, affecting the cleaning effect.

[0053] In view of this, as Figure 1 , Figure 2 and Figure 3 shown, an embodiment of the first aspect of the present utility model provides a transmission device 100, which is applied to a cleaning device. The cleaning device includes a machine body and a side brush assembly 210. The transmission device 100 includes: a rotating body 120, a swing arm 130, and an elastic member 140. The rotating body 120 is rotatably arranged relative to the machine body. The elastic member 140 connects the rotating body 120 and the swing arm 130. At least the elastic member 140 is configured to keep the rotating body 120 and the swing arm 130 in a relatively static position. The side brush assembly 210 is arranged on the swing arm 130. Wherein, the rotating body 120 rotates to drive the side brush assembly 210 to switch between a first operating position and a second operating position through the swing arm 130.

[0054] The transmission device 100 provided in this embodiment, by setting the rotating body 120, the swing arm 130, and the elastic member 140, the elastic member 140 connects the rotating body 120 and the swing arm 130, and at least uses the elastic member 140 to keep the rotating body 120 and the swing arm 130 in a relatively static position. By arranging the side brush assembly 210 on the swing arm 130, according to the cleaning range requirements of the cleaning device, the rotating body 120 can rotate relative to the machine body, so as to drive the side brush assembly 210 to switch between a first operating position and a second operating position through the swing arm 130, so as to move the side brush assembly 210 to an operating position that meets the corresponding cleaning range requirements, so as to meet the requirements of different cleaning ranges, expand the cleaning range of the side brush assembly 210, is beneficial to improving the cleaning effect, and improves the cleaning experience of users.

[0055] In the above embodiment, it should be noted that the elastic member 140 connects the rotating body 120 and the swing arm 130. It can be that the elastic member 140 is directly connected to the rotating body 120 or the swing arm 130, or the elastic member 140 is indirectly connected to the rotating body 120 or the swing arm 130 through other components. Since the elastic member 140 connects the rotating body 120 and the swing arm 130, when the side brush assembly 210 collides with an obstacle and is stressed, the elastic member 140 will play a good buffering role, reducing the impact of the obstacle on the side brush assembly 210, the swing arm 130, and the rotating body 120, which is beneficial to improving the reliability of the side brush assembly 210 and the transmission device 100.

[0056] Among them, at least the elastic member 140 is configured to keep the rotating body 120 and the swing arm 130 in a relatively stationary position. Under the action of the elastic member 140, the rotating body 120 and the swing arm 130 can be kept relatively stationary, or, in cooperation with other structures, the elastic member 140 and other structures can jointly keep the rotating body 120 and the swing arm 130 relatively stationary. Among them, the rotating body 120 and the swing arm 130 being kept relatively stationary can be understood as the rotating body 120 and the swing arm 130 being able to move as a whole. Therefore, when the rotating body 120 is driven to rotate relative to the machine body, the swing arm 130 can rotate synchronously with the rotating body 120, and then drive the side brush assembly 210 arranged on the swing arm 130 to rotate, so that the side brush assembly 210 can be switched between the first operation position and the second operation position to meet the requirements of different cleaning ranges and expand the cleaning range of the side brush assembly 210. This kind of transmission setting has a simple structure, convenient transmission, and the elastic member 140 has a low cost and a small volume, which can meet the design requirements of the transmission device 100 with a low cost and a compact structure.

[0057] Among them, the side brush assembly 210 at the first operation position and the second operation position is located at different positions of the machine body in the horizontal direction, that is to say, the orthographic projections of the side brush assembly 210 at the first operation position and the second operation position on the horizontal plane are at different positions in the orthographic projection area of the machine body on the horizontal plane. Specifically, at least part of the side brush assembly 210 at the first operation position is located inside the machine body in the horizontal direction, at least part of the side brush assembly 210 at the second operation position is located outside the machine body in the horizontal direction, and the area of the side brush assembly 210 at the second operation position outside the horizontal direction of the machine body is larger than the area of the side brush assembly 210 at the first operation position outside the horizontal direction of the machine body.

[0058] That is to say, the orthographic projection of the side brush assembly 210 at the first operating position on the horizontal plane can be entirely within the orthographic projection area of the machine body on the horizontal plane, or a part of the orthographic projection of the side brush assembly 210 at the first operating position on the horizontal plane is within the orthographic projection area of the machine body on the horizontal plane, and the other part is outside the orthographic projection area of the machine body on the horizontal plane. The orthographic projection of the side brush assembly 210 at the second operating position on the horizontal plane can be entirely outside the orthographic projection area of the machine body on the horizontal plane, or a part of the orthographic projection of the side brush assembly 210 at the second operating position on the horizontal plane is within the orthographic projection area of the machine body on the horizontal plane, and the other part is outside the orthographic projection area of the machine body on the horizontal plane. Moreover, the area of the orthographic projection of the side brush assembly 210 at the second operating position outside the orthographic projection area of the machine body on the horizontal plane is larger than the area of the orthographic projection of the side brush assembly 210 at the first position outside the orthographic projection area of the machine body on the horizontal plane. That is to say, the area of the side brush assembly 210 at the second operating position outside the machine body is larger than the area of the side brush assembly 210 at the first operating position outside the machine body, enabling the side brush assembly 210 at the second operating position to contact more surfaces to be cleaned outside the machine body, thereby increasing the cleaning range of the side brush assembly 210 and enabling the auxiliary cleaning operation of the corner area. Thus, according to the cleaning range requirement of the cleaning device, specifically according to the cleaning range requirement of the side brush assembly 210, the side brush assembly 210 can be driven to switch between the first operating position and the second operating position to move the side brush assembly 210 to the operating position that meets the corresponding cleaning range requirement. That is, the side brush assembly 210 can perform the auxiliary cleaning operation at the first operating position, and the side brush assembly 210 can also perform the auxiliary cleaning operation at the second operating position to meet the requirements of different cleaning ranges, expanding the auxiliary cleaning range, that is, expanding the cleaning range of the cleaning device, improving the cleaning effect, and enhancing the user's cleaning experience.

[0059] It should be noted that when the side brush assembly 210 at the first operating position is entirely within the machine body in the horizontal direction, the area of the side brush assembly 210 at the first operating position outside the horizontal direction of the machine body is zero. At this time, the area of the side brush assembly 210 at the second operating position outside the horizontal direction of the machine body is still larger than the area of the side brush assembly 210 at the first operating position outside the horizontal direction of the machine body.

[0060] Among them, at least a part of the side brush assembly 210 in the second operating position is located outside the machine body in the horizontal direction, and the area of the side brush assembly 210 in the second operating position outside the horizontal direction of the machine body is larger than the area of the side brush assembly 210 in the first operating position outside the horizontal direction of the machine body, so that the cleaning range of the side brush assembly 210 in the second operating position can exceed the edge of the walking range of the machine body, and compared with the side brush assembly 210 in the first operating position, the area exposed outside the machine body is larger, so that the corner positions that the machine body cannot fit can be comprehensively cleaned, so as to improve the cleaning range of the side brush assembly 210 and improve the cleaning effect of the cleaning device.

[0061] Specifically, when the side brush assembly 210 is in the first operating position, in the horizontal direction, the side brush assembly 210 can be entirely located inside the machine body, or most of the side brush assembly 210 is located inside the machine body, and a small part of the side brush assembly 210 is located outside the machine body. At this time, the side brush assembly 210 can be understood as being retracted into the machine body, and the side brush assembly 210 can be used for conventional cleaning operations. When the side brush assembly 210 is in the second operating position, in the horizontal direction, the side brush assembly 210 can be entirely located outside the machine body, or most of the side brush assembly 210 is located outside the machine body, and a small part of the side brush assembly 210 is located inside the machine body. At this time, the side brush assembly 210 can be understood as being extended outside the machine body, and the side brush assembly 210 can be used for corner cleaning operations.

[0062] Furthermore, according to the need of the cleaning device to perform corner cleaning, the side brush assembly 210 can be selectively driven to switch between the first operating position and the second operating position. For example, the side brush assembly 210 is moved to the first operating position for conventional cleaning operations, and the side brush assembly 210 is moved to the second operating position for corner cleaning operations, so as to meet the different functional requirements of the cleaning device and improve the intelligence of the automatic cleaning device.

[0063] In some possible embodiments provided by the present utility model, the rotation direction of the swing arm 130 during the process of the side brush assembly 210 switching from the first operating position to the second operating position is the first direction, and the swing arm 130 is configured to rotate relative to the rotating body 120 along the first direction from a relatively stationary position under the action of an external force, so that the elastic member 140 deforms to accumulate elastic potential energy.

[0064] Among them, the rotation direction of the swing arm 130 during the process of the side brush assembly 210 switching from the first operating position to the second operating position can be as Figure 4 shown by the arrow X in, that is, the first direction can be as shown by the arrow X. The rotation direction of the swing arm 130 during the process of the side brush assembly 210 switching from the second operating position to the first operating position can be as Figure 4As shown by the arrow Y therein, the second direction can be as shown by the arrow X.

[0065] During the operation of the cleaning device, there is a possibility that the side brush assembly 210 located outside the machine body in the horizontal direction collides with an obstacle. Specifically, during the movement of the cleaning device, the side brush assembly 210 collides with an obstacle located in front of the moving direction of the machine body. In this embodiment, the swing arm 130 is configured to rotate relative to the rotating body 120 along the first direction from a relatively static position under an external force. That is to say, when the side brush assembly 210 collides with an obstacle located in front of the moving direction of the cleaning device and is subjected to force, it can drive the swing arm 130 to continue to rotate relative to the rotating body 120 along the first direction from the relatively static position. This process can cause the elastic member 140 to deform to accumulate elastic potential energy. Thus, the elastic member 140 can play a good buffering role for the side brush assembly 210 encountering an obstacle, reduce the damage of the obstacle to the side brush assembly 210, and is beneficial to improving the reliability of the side brush assembly 210 and extending the service life of the cleaning device.

[0066] In some possible implementation embodiments provided by the present utility model, a limiting portion is provided on the rotating body 120 and / or the swing arm 130, and the elastic member 140 cooperates with the limiting portion to keep the rotating body 120 and the swing arm 130 in a relatively static position.

[0067] That is to say, in this embodiment, by using the limiting portion provided on the rotating body 120 and / or the swing arm 130 to cooperate with the elastic member 140, the rotating body 120 and the swing arm 130 can be stably kept in a relatively static position. Thus, the rotating body 120 and the swing arm 130 can move as a whole, so that the rotating body 120 rotates, and the swing arm 130 that moves synchronously drives the side brush assembly 210 provided on the swing arm 130 to rotate, so as to realize the switching of the side brush assembly 210 between the first operating position and the second operating position.

[0068] Among them, the limiting portion can be provided on the rotating body 120, or the limiting portion can be provided on the swing arm 130, or the limiting portion can be provided on both the rotating body 120 and the swing arm 130 at the same time. It can be understood that the relatively static position of the rotating body 120 and the swing arm 130 can be damaged when the side brush assembly 210 is subjected to an external force. At this time, by using the buffering effect of the elastic member 140, it can play a good protective role for the rotating body 120, the swing arm 130, and the side brush assembly 210.

[0069] In some possible embodiments provided by the present utility model, the elastic member 140 releases elastic potential energy to drive the swing arm 130 to rotate in the second direction, where the second direction is opposite to the first direction. Thus, under the action of the elastic member 140, the swing arm 130 can be reset to the relatively static position. Moreover, during the process of the elastic member 140 releasing elastic potential energy, it can push away or bounce off the obstacles near the front of the side brush assembly 210 along the second direction, realizing the cleaning operation of the obstacles, so as to improve the cleaning effect of the side brush assembly 210 and the cleaning effect of the cleaning device.

[0070] Specifically, when the swing arm 130 does not encounter an obstacle, the swing arm 130 and the rotating body 120 are kept in the relatively static position under the action of the elastic member 140 and the limiting portion, and the rotational torque applied by the rotating body 120 to the swing arm 130 is constant. When the side brush assembly 210 at the second operating position encounters an obstacle and is stressed, specifically, the side brush assembly 210 collides with an obstacle located in front of the advancing direction of the cleaning device, causing the swing arm 130 to be stressed and continue to rotate relative to the rotating body 120 in the first direction from the relatively static position. This process will cause the elastic member 140 to deform to accumulate elastic potential energy. Thus, the rotational torque applied by the rotating body 120 to the swing arm 130 increases, changing from weak to strong, enabling the side brush assembly 210 to cross over the obstacle or bounce off the obstacle, so as to improve the cleaning effect of the side brush assembly 210.

[0071] It can be understood that due to the different forces exerted by the obstacles on the side brush assembly 210, the elastic member 140 stores different amounts of energy. Therefore, the rotational torque applied by the rotating body 120 to the swing arm 130 is also different, causing the rotational torque applied by the rotating body 120 to the swing arm 130 to change according to the gravity of the obstacles. At the same time, when the cleaning device continues to move forward, the force exerted by the same obstacle on the side brush assembly 210 will change. Under the action of the elastic member 140, the rotational torque applied by the rotating body 120 to the swing arm 130 will also change. Therefore, the swing arm 130 can achieve variable-torque rotation to cross over the obstacle or bounce off the obstacle.

[0072] It can be understood that for relatively light obstacles such as clothes and books, the side brush assembly 210 is subjected to less force, and the angle by which the side brush assembly 210 continues to rotate relative to the rotating body 120 in the first direction from the relatively static position is smaller. During the process of the elastic member 140 releasing elastic potential energy, the side brush assembly 210 can push away or bounce off the obstacles with relatively light gravity as described above, so as to achieve the cleaning of the obstacles and improve the cleaning effect. For relatively heavy obstacles such as tables and chairs, when the side brush assembly 210 encounters an obstacle and is stressed, the angle by which the swing arm 130 continues to rotate relative to the rotating body 120 in the first direction from the relatively static position is larger. This process will enable the side brush assembly 210 to cross over or avoid the obstacles with relatively heavy gravity, realizing the obstacle avoidance operation.

[0073] In some possible embodiments provided by the present utility model, during the process of the side brush assembly 210 switching from the second operating position to the first operating position, the rotation direction of the swing arm 130 is the second direction, and the elastic member 140 and the limiting portion cooperate to further prevent the swing arm 130 from rotating relative to the rotating body 120 in the second direction from the relatively static position.

[0074] That is to say, under the action of the elastic member 140 and the limiting portion, for the swing arm 130 and the rotating body 120 in the relatively static position, the swing arm 130 can rotate relative to the rotating body 120 in the first direction under the action of an external force, and the swing arm 130 cannot rotate relative to the rotating body 120 in the second direction under the action of an external force. Thus, the rotation range of the swing arm 130 relative to the rotating body 120 is restricted, and the possibility of the swing arm 130 rotating relative to the rotating body 120 in the second direction under the action of an external force and colliding with other structures of the transmission device 100 or other structures of the cleaning device and being damaged can be avoided. Furthermore, it plays a good protective role for the swing arm 130, other structures of the transmission device 100, and other structures of the cleaning device, which is beneficial to extending the service life of the swing arm 130, improving the reliability of the transmission device 100, and improving the reliability of the cleaning device.

[0075] As Figure 1 、 Figure 2 、 Figure 9 and Figure 10 shown, in some possible embodiments provided by the present utility model, the elastic member 140 is a torsion spring, the torsion spring is sleeved on the rotating shaft of the swing arm 130 or the rotating shaft of the rotating body 120, the first torsion arm 141 of the torsion spring is connected to the swing arm 130, and the second torsion arm 142 of the torsion spring is connected to the rotating body 120. Thus, through the torsion spring and the limiting portion provided on the swing arm 130 and / or the rotating body 120, the swing arm 130 and the rotating body 120 can be reliably and stably maintained in the relatively static position, so that the first driving assembly 110 can smoothly and accurately switch the side brush assembly 210 between the first operating position and the second operating position to ensure the effectiveness and accuracy of the transmission. At the same time, after the side brush assembly 210 collides with an obstacle and is stressed, the torsion spring has a good buffering effect to extend the service life of the side brush assembly 210 and can bounce off or avoid the obstacle.

[0076] Among them, the torsion spring has the advantages of high torsional stiffness and good torsional stability. Therefore, it can ensure the transmission accuracy and the stability of the transmission, and has a good buffering effect. At the same time, the torsion spring has the advantages of small volume and light weight, can meet the design requirements of the transmission device 100 with a compact structure, small volume, and light weight, and is suitable for popularization and application.

[0077] As Figure 4 、 Figure 5 、 Figure 6and Figure 9 As shown in Figure 9 , in some possible embodiments provided by the present utility model, the transmission device 100 further includes: a connecting shaft 150, the connecting shaft 150 is fixedly arranged relative to the machine body, the swing arm 130 and the rotating body 120 are coaxially arranged with the connecting shaft 150 as the rotation axis, and the torsion spring is sleeved on the connecting shaft 150.

[0078] Thus, through the connecting shaft 150, the coaxial arrangement of the swing arm 130 and the rotating body 120 is realized, and an installation position is provided for the torsion spring. This kind of arrangement makes the layout of the swing arm 130, the rotating body 120, and the elastic member 140 compact, can meet the design requirements of the transmission device 100 with a compact structure and a small volume, reduce the space occupied by the transmission device 100, so as to meet the design requirements of the cleaning device with a compact structure and a small volume.

[0079] It should be noted that the connecting shaft 150 is fixedly arranged relative to the machine body. It can be that the connecting shaft 150 is directly fixed on the machine body, or other components are fixedly connected to the machine body, and the connecting shaft 150 is fixed on other components to realize the indirect fixation of the connecting shaft 150 on the machine body.

[0080] Among them, the swing arm 130 and the rotating body 120 are coaxially arranged with the connecting shaft 150 as the rotation center. It can be that one end of the swing arm 130 is sleeved outside the connecting shaft 150, and the other end of the swing arm 130 is distributed on a part of the circumferential side of the connecting shaft 150; one end of the rotating body 120 is sleeved outside the connecting shaft 150, and the other end of the rotating body 120 is distributed on another part of the circumferential side of the connecting shaft 150, that is, the other ends of the swing arm 130 and the rotating body 120 are distributed at different positions along the circumferential side of the connecting shaft 150.

[0081] As Figure 1 、 Figure 7 and Figure 8 As shown in Figure 1 , Figure 7 and Figure 8 , in some possible embodiments provided by the present utility model, the rotating body 120 is arranged as a fan-shaped structure. Thus, a layout space is provided for the swing arm 130 to be arranged on the circumferential side of the connecting shaft 150, so that the rotating body 120 and the swing arm 130 can be coaxially arranged with the connecting shaft 150 as the rotation center.

[0082] In the above embodiment, the number of torsion springs is at least one, that is, the number of torsion springs can be one, two, three, four or more. It can be understood that the number of torsion springs can be reasonably set according to the stability of the synchronous movement of the swing arm 130 and the rotating body 120 and the cost requirements. Among them, the more the number of torsion springs, the higher the cost, and the higher the stability of the synchronous movement of the swing arm 130 and the rotating body 120.

[0083] As Figure 9 and Figure 10As shown, in some possible embodiments provided by the present utility model, the limiting portion includes a first slot provided on the swing arm 130, and the first torsion arm 141 is inserted into the first slot. Thus, the movement range of the first torsion arm 141 is restricted by the first slot, and further the torsion of the torsion spring is restricted.

[0084] As Figure 8 and Figure 9 shown, in some possible embodiments provided by the present utility model, the limiting portion includes a second slot 121 provided on the rotating body 120, and the second torsion arm 142 is inserted into the second slot 121. Thus, the movement range of the second torsion arm 142 is restricted by the second slot 121, and further the torsion of the torsion spring is restricted.

[0085] Thus, as Figure 4 , Figure 5 and Figure 6 shown, by the cooperation of the first slot and the first torsion arm 141, and the cooperation of the second slot 121 and the second torsion arm 142, the rotating body 120 and the swing arm 130 are kept in a relatively static position, and the swing arm 130 can be prevented from rotating relative to the rotating body 120 along the second direction from the relatively static position. And under the action of an external force, the swing arm 130 can rotate relative to the rotating body 120 along the first direction from the relatively static position.

[0086] As Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 11 and Figure 12 shown, in some possible embodiments provided by the present utility model, the transmission device 100 further includes: a first driving assembly 110 for driving the rotating body 120 to rotate; a housing 160 connected to the machine body, an opening 161 is provided on one side of the housing 160, the first driving assembly 110, the rotating body 120, and the elastic member 140 are installed inside the housing 160, the rotating body 120 is rotatably arranged relative to the housing 160, the swing arm 130 passes through the opening 161 and is rotatably arranged relative to the housing 160, and the shape of the opening 161 matches the movement space of the swing arm 130.

[0087] In this embodiment, the first driving component 110 provides power for the rotation of the rotating body 120. The housing 160 provides an installation space for the first driving component 110, the rotating body 120, the elastic member 140, and a part of the swing arm 130. The setting of the housing 160 plays a good protective role for the first driving component 110, the rotating body 120, the elastic member 140, and a part of the swing arm 130, which is beneficial to extending the service life of the first driving component 110, the rotating body 120, the elastic member 140, and the swing arm 130. Among them, by connecting the housing 160 to the machine body, the entire transmission device 100 can be fixed on the machine body, with simple operation and convenient disassembly and assembly. Since the housing 160 is connected to the machine body and the rotating body 120 and the swing arm 130 are rotatably arranged relative to the housing 160, the rotating body 120 and the swing arm 130 are rotatably arranged relative to the machine body. The swing arm 130 passes through the opening 161, so that a part of the swing arm 130 can be connected to the elastic member 140 located inside the housing 160, and the other part of the swing arm 130 is located outside the housing 160 to connect the side brush assembly 210. Among them, the shape of the opening 161 matches the movement space of the swing arm 130, so that the opening 161 of the housing 160 does not hinder or interfere with the movement of the swing arm 130, enabling the swing arm 130 to move smoothly between the openings 161 to ensure that the side brush assembly 210 can be smoothly switched between the first operating position and the second operating position, and after the side brush assembly 210 collides with an obstacle, the swing arm 130 can rotate smoothly without interfering with the housing 160.

[0088] Specifically, the housing 160 can be detachably connected to the machine body through at least one of a bolt structure, a clamping structure, a tenon and mortise structure, a plug-in structure, and a magnetic attraction structure, so as to facilitate the disassembly and assembly of the entire transmission device 100 and the machine body, and facilitate maintenance and repair.

[0089] Furthermore, as Figure 5 and Figure 6 shown, the connecting shaft 150 can be installed on the housing 160. Since the housing 160 is fixedly connected to the machine body, the relative fixed setting of the connecting shaft 150 and the machine body is realized.

[0090] As Figure 4 and Figure 5 shown, in some possible embodiments provided by the present utility model, the first driving component 110 includes a first driving part 111 and a first transmission part 112, and the first transmission part 112 is in transmission connection with the first driving part 111 and the rotating body 120. Thus, when the first driving part 111 works, the rotating body 120 can be driven to rotate through the first transmission part 112.

[0091] Specifically, the first driving part 111 can be a motor, and the first transmission part 112 can be at least one of a gear transmission, a chain transmission, and a belt transmission. AsFigure 5 As shown, the first transmission part 112 is a gear, and the rotating body 120 is provided with a tooth part 122 meshing with the gear to achieve power transmission. It can be understood that the first driving part 111 can rotate in two directions. For example, a motor can rotate forward and backward, so that the rotating body 120 can rotate in different directions, and the side brush assembly 210 can be switched between the first operation position and the second operation position through the swing arm 130.

[0092] Such as Figure 4 、 Figure 5 、 Figure 6 、 Figure 11 and Figure 12 As shown in

[0093] In some possible embodiments provided by the present invention, the housing 160 of the transmission device 100 is provided with a first installation space 163 and a second installation space 164 connected through an avoidance opening 162. The first driving part 111 is located in the first installation space 163, the rotating body 120 and the elastic part 140 are located in the second installation space 164. The first transmission part 112 connects the first driving part 111 and the rotating body 120 through the avoidance opening 162, and the opening 161 of the housing 160 is connected to the second installation space 164.

[0094] Among them, as Figure 5 shown, the first installation space 163 can penetrate through the top and bottom of the housing 160, that is, the first installation space 163 can be understood as an installation channel penetrating the housing 160 along the direction from the top to the bottom of the housing 160. This arrangement is beneficial to the disassembly and assembly of the first driving part 111, and thus convenient for the maintenance and replacement of parts of the first driving part 111. At the same time, it is beneficial to ventilate and dissipate heat from the first driving part 111, and further improve the service life of the first driving part 111.

[0095] Such as Figure 1 、 Figure 2 and Figure 6As shown, in some possible embodiments provided by the present utility model, the transmission device 100 further includes: a second driving assembly 170, which is installed on the swing arm 130 and is used to connect with the side brush assembly 210 to drive the side brush assembly 210 to rotate relative to the swing arm 130. Thus, the side brush assembly 210 interferes with the surface to be cleaned to achieve the auxiliary cleaning function.

[0096] As Figure 1 , Figure 2 and Figure 6 As shown, in some possible embodiments provided by the present utility model, the second driving assembly 170 and the side brush assembly 210 are located on the swing arm 130 outside the housing 160 of the transmission device 100. Thus, it is convenient for the disassembly and assembly of the second driving assembly 170 and the swing arm 130, and the disassembly and assembly of the side brush assembly 210 and the swing arm 130, improving the installation efficiency and maintenance efficiency of the second driving assembly 170 and the side brush assembly 210. At the same time, the side brush assembly 210 is arranged outside the housing 160 to facilitate the interference of the side brush assembly 210 with the surface to be cleaned to achieve the cleaning operation.

[0097] Specifically, the housing of the second driving assembly 170 can be detachably connected to the swing arm 130 through at least one of a bolt structure, a clamping structure, a plugging structure, a tenon and mortise structure, and a magnetic attraction structure.

[0098] It can be understood that the side brush assembly 210 as a whole can be movably arranged on the swing arm 130. For example, the side brush assembly 130 can be directly power-connected to the second driving assembly 170, so that the second driving assembly 170 drives the side brush assembly 210 to rotate relative to the swing arm 130 to achieve the cleaning operation. In this example, the side brush assembly and the second driving assembly can be detachably connected through at least one of a bolt structure, a clamping structure, a plugging structure, a tenon and mortise structure, and a magnetic attraction structure.

[0099] Or, the side brush assembly 210 includes a mounting seat fixedly connected to the swing arm 130 and a brush disc rotatably arranged relative to the mounting seat. The brush disc is connected to the second driving assembly 170, so that the second driving assembly 170 drives the brush disc to rotate relative to the swing arm 130 to achieve the cleaning operation. In this example, the brush disc of the side brush assembly 210 can be detachably connected to the swing arm 130 through at least one of a bolt structure, a clamping structure, a plugging structure, a tenon and mortise structure, and a magnetic attraction structure.

[0100] As Figure 6 As shown, in some possible embodiments provided by the present utility model, the second driving assembly 170 includes a second driving part 171 and a second transmission part 172. The second driving part 171 and the side brush assembly 210 are located on both sides of the swing arm 130, and the second transmission part 172 is located inside the swing arm 130.

[0101] In this embodiment, since the side brush assembly 210 needs to interfere with the surface to be cleaned to achieve the cleaning operation, generally, the side brush assembly 210 is arranged at the bottom of the swing arm 130. By arranging the second driving part 171 and the side brush assembly 210 on both sides of the swing arm 130 and arranging the second driving part 171 on the top of the swing arm 130, it can avoid the problem that the second driving part 171 arranged at the bottom of the swing arm 130 interferes with the surface to be cleaned and affects the interference between the side brush assembly 210 and the surface to be cleaned. At the same time, the swing arm 130 plays a good and stable supporting role for the second driving part 171 to improve the reliability and stability of the connection between the second driving part

[0102] 171 and the swing arm 130. By arranging the second transmission part 172 inside the swing arm 130, the swing arm 130 plays a good protective role for the second transmission part 172, which is beneficial to extending the service life of the second transmission part 172 and improving the overall reliability of the transmission device 100.

[0103] Specifically, the second driving part 171 can be a motor, and the second transmission part 172 can be at least one of gear transmission, chain transmission, and belt transmission. As Figure 6 shown, the second transmission part 172 is a gear mechanism, and the output shaft of the gear mechanism is connected to the side brush assembly 210.

[0104] As Figure 3 shown, in some possible embodiments provided by the present utility model, the transmission device 100 further includes: a position detection device 180 for detecting the rotation position of the rotating body 120, and the first driving assembly 110 rotates or stops rotating according to the detection result of the position detection device 180.

[0105] Among them, the setting of the position detection device 180 can detect the rotation position of the rotating body 120, and thus can know the rotation position of the swing arm 130. Therefore, when the swing arm 130 rotates to a suitable position, such as when the swing arm 130 drives the side brush assembly 210 to move to the first operation position or the second operation position, the first driving assembly 110 stops rotating according to the detection result of the position detection device 180 at this time, and can keep the side brush assembly 210 at the first operation position or the second operation position to achieve the accurate switching of the first operation position or the second operation position. It can be understood that when the rotating body 120 rotates and the side brush assembly 210 driven by the swing arm 130 does not move to the first operation position or the second operation position, the first driving assembly 110 can continue to rotate according to the detection result of the position detection device 180 at this time to drive the side brush assembly 210 to continue to move in the direction close to the target operation position, such as the first operation position or the second operation position.

[0106] Among them, the position detection device 180 may include a photoelectric switch, a mechanical switch, or other detection mechanisms that meet the requirements, etc.

[0107] Such as Figure 3 , Figure 6 , Figure 7 , Figure 8 As shown, in some possible implementation embodiments provided by the present invention, the position detection device 180 includes a first position switch 181 and a second position switch 182 distributed on the circumferential side of the rotating body 120. A first acting portion 183 and a second acting portion 184 are arranged on the rotating body 120. The first acting portion 183 is adapted to trigger the first position switch 181 to act to change the detection signal, and the second acting portion 184 is adapted to trigger the second position switch 182 to act to change the detection signal.

[0108] In this embodiment, by arranging the first position switch 181 and the second position switch 182 at intervals on the circumferential side of the rotating body 120, the two position switches are respectively used to detect whether the side brush assembly 210 reaches the first operation position and the second operation position. Thus, the accuracy of detecting whether the side brush assembly 210 reaches the target operation position can be improved.

[0109] Among them, by setting the first acting portion 183 and the second acting portion 184 on the rotating body 120, the rotation of the rotating body 120 can drive the first acting portion 183 and the second acting portion 184 to rotate synchronously. Since the first acting portion 183 and the second acting portion 184 are arranged at intervals along the rotation direction of the rotating body 120, when the rotating body 120 rotates to a suitable position, the first acting portion 183 acts on the first position switch 181 to cause the first position switch 181 to change the detection signal. For example, if the first position switch 181 is a first photoelectric switch, the first acting portion 183 is located between the light emitting portion and the light receiving portion of the first photoelectric switch to prevent the light receiving portion from receiving the light signal emitted by the light emitting portion, so that the first photoelectric switch changes the detection signal, indicating that the rotating body 120 rotates to a suitable position and the side brush assembly 210 is in the first operation position. At this time, the first driving portion 111 of the first driving assembly 110 can stop rotating according to the detection signal of the first position switch 181 to maintain the side brush assembly 210 in the first operation position.

[0110] When the rotating body 120 rotates to a proper position, the second acting part 184 acts on the second position switch 182, so that the second position switch 182 changes the detection signal. For example, if the second position switch 182 is a second photoelectric switch, the second acting part 184 is located between the light emitting part and the light receiving part of the second photoelectric switch to prevent the light receiving part from receiving the light signal emitted by the light emitting part, so that the second photoelectric switch changes the detection signal, indicating that the rotating body 120 rotates to a proper position and the side brush assembly 210 is in the second operating position. At this time, the first driving part 111 of the first driving assembly 110 can stop rotating according to the detection signal of the second position switch 182, so that the side brush assembly 210 is maintained in the second operating position.

[0111] Specifically, as Figure 7 shown, the first acting part 183 and the second acting part 184 can be baffles arranged on the outer wall of the rotating body 120. The first acting part 183 and the second acting part 184 are arranged at intervals along the rotation direction of the rotating body 120 and are staggered along the axial direction of the rotating body 120.

[0112] As Figure 11 and Figure 12 shown, in some possible embodiments provided by the present utility model, a detection port 165 is formed on the housing 160 of the transmission device 100. The first position switch 181 and the second position switch 182 are installed outside the housing 160, and part of the first position switch 181 and part of the second position switch 182 extend into the housing 160 through the detection port 165.

[0113] Thus, by using the cooperation between part of the first position switch 181 located in the housing 160 and the first acting part 183, and the cooperation between part of the second position switch 182 located in the housing 160 and the second acting part 184, the reliable detection of the rotation position of the rotating body 120 can be realized, and further the working state of the first driving part 111 of the first driving assembly 110 can be accurately adjusted, so that the side brush assembly 210 can be reliably and stably switched to the first operating position and the second operating position. At the same time, by installing the first position switch 181 and the second position switch 182 outside the housing 160, it is convenient for the disassembly and assembly of the first position switch 181 and the second position switch 182 with the housing 160. Moreover, when the first position switch 181 and the second position switch 182 need to be repaired, it is not necessary to disassemble the rotating body 120, the swing arm 130, etc. inside the housing 160. The disassembly and replacement of the first position switch 181 and the second position switch 182 can be realized outside the housing 160, and the operation is simple, which greatly improves the maintenance efficiency of the first position switch 181 and the second position switch 182.

[0114] It can be understood that the number of detection ports 165 is two, and the two detection ports 165 are respectively opposite to the first position switch 181 and the second position switch 182.

[0115] As Figure 11 and Figure 12 shown, in the above embodiment, an annular groove 166 for avoiding the first acting portion 183 and the second acting portion 184 is provided inside the housing 160. The detection port 165 is located at the bottom of the annular groove 166. Concave portions 167 are formed on both sides of the annular groove 166 outside the housing 160, and a connecting portion 168 connected to the first position switch 181 and the second position switch 182 is provided in the concave portions 167.

[0116] Thus, after the first position switch 181 and the second position switch 182 are fixed outside the housing 160 through the connecting portion 168 in the concave portion 167, the distance between the first position switch 181 located outside the housing 160 and the housing 160, and the distance between the second position switch 182 and the housing 160 can be reduced, so that part of the first position switch 181 and part of the second position switch 182 can smoothly extend into the housing 160 through the detection port 165. Since the first acting portion 183 and the second acting portion 184 protrude from the side wall of the rotating body 120, and the annular groove 166 inside the housing 160 is used to avoid the first acting portion 183 and the second acting portion 184, the distance between the side wall of the rotating body 120 and the housing 160 is small. Thus, the layout of the first position switch 181, the second position switch 182, the housing 160, and the rotating body 120 is relatively compact, reducing the space occupied by the transmission device 100, meeting the design requirements of the transmission device 100 for a compact structure and a small volume, and further meeting the design requirements of the cleaning device for a compact structure and a small volume, being suitable for popularization and application.

[0117] Specifically, the connecting portion 168 can be a connecting column. By connecting with the connecting column through a bolt, the detachable connection between the first position switch 181 and the second position switch 182 and the housing 160 can be realized. Specifically, the concave portions 167 are located on both sides of the annular groove 166, and the connecting portion 168 is located in the concave portions 167. Thus, through the connecting portion 168 in the concave portions 167 on both sides of the annular groove 166, the first position switch 181 can be fixed on the housing 160 from both sides, and the second position switch 182 can be fixed on the housing 160 from both sides, so as to ensure the reliability and stability of the connection between the first position switch 181, the second position switch 182 and the housing 160, and improve the accuracy of the rotation position detection of the rotating body 120.

[0118] As Figure 1 、 Figure 1 and Figure 3As shown in the figure, an embodiment of the present utility model further provides a cleaning module 200, which is applied to a cleaning device. The cleaning module 200 includes: a side brush assembly 210 and a transmission device 100 according to any embodiment of the first aspect. Among them, the side brush assembly 210 is arranged on the swing arm 130. Specifically, the transmission device 100 further includes a second driving component 170 arranged on the swing arm 130, which is connected to the side brush assembly 210 to drive the side brush assembly 210 to rotate, so as to realize the cleaning operation on the surface to be cleaned.

[0119] In this embodiment, by arranging the side brush assembly 210 on the swing arm 130 of the transmission device 100, the transmission device 100 and the side brush assembly 210 are modularly designed. Thus, according to the design requirements of the cleaning device, the cleaning module 200 can be selectively installed on the machine body. For example, when the cleaning device is designed to use the side brush assembly 210 to clean the corners to further increase the cleaning range, the cleaning module 200 provided by the embodiment of the present utility model can be installed on the machine body; when the cleaning device is designed to use the side brush assembly 210 for conventional cleaning operations, the traditional side brush assembly 210 and the transmission device 100 can be installed on the machine body. The operation is simple, the installation is convenient, the practicability is strong, and the application range is wide.

[0120] It can be understood that by modularly designing the transmission device 100 and the side brush assembly 210, the transmission device 100 can be debugged and detected before the cleaning module 200 is installed on the machine body. For example, by using an external power supply and the control program of the cleaning device, the rotation of the swing arm 130 of the transmission device 100, the switching of the operation position of the side brush assembly 210, the rotation of the side brush assembly 210, etc. can be debugged and detected. If the detection is unqualified, it can be directly adjusted. This setting simplifies the operation after the cleaning module 200 is disassembled from the machine body compared with the whole machine debugging after the cleaning module 200 is installed on the machine body to debug and detect the rotation of the swing arm 130, the switching of the operation position of the side brush assembly 210, the rotation of the side brush assembly 210, etc., and if the detection is unqualified, the cleaning module 200 needs to be disassembled from the machine body for adjustment. The operation is simple and convenient. It can be understood that after the debugging and detection are qualified, the cleaning module 200 can be installed on the machine body, which can simplify the debugging and detection operation, and thus improve the whole machine debugging efficiency.

[0121] Further, debugging and detection can also be carried out before the cleaning module 200 is installed on the machine body. After passing the inspection, the cleaning module 200 is installed on the machine body and then the whole machine is debugged again. Since the cleaning module 200 has been debugged and detected before being installed on the machine body, compared with directly installing the cleaning module 200 on the machine body for whole machine debugging without debugging and testing before installation, the failure rate can be greatly reduced, the probability of disassembling the cleaning module 200 and the machine body can be reduced, and the whole machine debugging efficiency can be improved.

[0122] The present utility model has been described through the above embodiments. However, it should be understood that the above embodiments are only for the purpose of exemplification and illustration, and are not intended to limit the present utility model to the scope of the described embodiments. In addition, those skilled in the art can understand that the present utility model is not limited to the above embodiments, and more variations and modifications can be made according to the teachings of the present utility model, and these variations and modifications all fall within the scope of protection required by the present utility model. The scope of protection of the present utility model is defined by the appended claims and their equivalent scope.

Claims

1. A transmission device (100), characterized in that, Applied to a cleaning device, the cleaning device includes a machine body and a side brush assembly (210), and the transmission device (100) includes: A rotating body (120), a swing arm (130), and an elastic member (140). The rotating body (120) is rotatably arranged relative to the machine body, and the elastic member (140) connects the rotating body (120) And the swing arm (130). At least the elastic member (140) is configured to keep the rotating body (120) and the swing arm (130) in a relatively static position. The side brush assembly (210) is arranged on the swing arm (130); Wherein, the rotating body (120) rotates to drive the side brush assembly (210) to switch between a first operating position and a second operating position through the swing arm (130).

2. The transmission device (100) according to claim 1, wherein A limiting portion is provided on the rotating body (120) and / or the swing arm (130), and the elastic member (140) cooperates with the limiting portion to keep the rotating body (120) and the swing arm (130) in a relatively static position.

3. The transmission device (100) according to claim 1, wherein When the side brush assembly (210) switches from the first operating position to the second operating position, the rotation direction of the swing arm (130) is a first direction. The swing arm (130) is configured to rotate relative to the rotating body (120) along the first direction from the relatively static position under the action of an external force, so that the elastic member (140) deforms.

4. The transmission device (100) according to claim 3, wherein The elastic member (140) releases elastic potential energy to drive the swing arm (130) to rotate in a second direction, wherein the second direction is opposite to the first direction.

5. The transmission device (100) according to claim 2, wherein When the side brush assembly (210) switches from the second operating position to the first operating position, the rotation direction of the swing arm (130) is a second direction. The elastic member (140) and the limiting portion also cooperate to prevent the swing arm (130) from rotating relative to the rotating body (120) along the second direction from the relatively static position.

6. The transmission device (100) according to claim 2, wherein The elastic member (140) is a torsion spring. The torsion spring is sleeved on the rotating shaft of the swing arm (130) or the rotating shaft of the rotating body (120). The first torsion arm (141) of the torsion spring is connected to the swing arm (130), and the second torsion arm (142) of the torsion spring is connected to the rotating body (120).

7. The transmission device (100) according to claim 6, characterized in that, Further includes: A connecting shaft (150). The connecting shaft (150) is fixedly arranged relative to the machine body. The swing arm (130) and the rotating body (120) are coaxially arranged with the connecting shaft (150) as the rotation axis, and the torsion spring is sleeved on the connecting shaft (150).

8. The transmission device (100) according to claim 6, characterized in that the rotating body (120) is arranged in a fan-shaped structure; and / or the number of the torsion springs is at least one.

9. The transmission device (100) according to claim 6, characterized in that the limiting part includes a first slot arranged on the swing arm (130), and the first torsion arm (141) is inserted into the first slot.

10. The transmission device (100) according to claim 6, characterized in that the limiting part includes a second slot (121) arranged on the rotating body (120), and the second torsion arm (142) is inserted into the second slot (121).

11. The transmission device (100) according to claim 3, characterized in that, It further includes: a first driving component (110), the first driving component (110) is used for driving the rotating body (120) to rotate; a housing (160), the housing (160) is connected to the machine body, an opening (161) is arranged on one side of the housing (160), the first driving component (110), the rotating body (120), and the elastic member (140) are installed inside the housing (160), the rotating body (120) is rotatably arranged relative to the housing (160), and the swing arm (130) passes through the opening (161) and is rotatably arranged relative to the housing (160).

12. The transmission device (100) according to claim 11, characterized in that the first driving component (110) includes a first driving part (111) and a first transmission part (112), and the first transmission part (112) is in transmission connection with the first driving part (111) and the rotating body (120).

13. The transmission device (100) according to claim 12, characterized in that the housing (160) of the transmission device (100) is provided with a first installation space (163) and a second installation space (164) communicated through an avoidance opening (162), the first driving part (111) is located in the first installation space (163), the rotating body (120) and the elastic member (140) are located in the second installation space (164), the first transmission part (112) communicates the first driving part (111) and the rotating body (120) through the avoidance opening (162), and the opening (161) of the housing (160) is communicated with the second installation space (164).

14. The transmission device (100) according to claim 1, characterized in that, It further includes: a second driving component (170), the second driving component (170) is installed on the swing arm (130), and the second driving component (170) is used for connecting with the side brush component (210) to drive the side brush component (210) to rotate relative to the swing arm (130).

15. The transmission device (100) according to claim 14, characterized in that the second driving component (170) and the side brush component (210) are located on the swing arm (130) outside the housing (160) of the transmission device (100).

16. The drive device (100) according to claim 15, wherein the second drive assembly (170) includes a second drive portion (171) and a second transmission portion (172), the second drive portion (171) and the side brush assembly (210) are located on both sides of the swing arm (130), and the second transmission portion (172) is located within the swing arm (130).

17. The transmission device (100) according to claim 11, characterized in that, It further includes: a position detection device (180), the position detection device (180) is used to detect the rotation position of the rotating body (120), and the first drive assembly (110) rotates or stops rotating according to the detection result of the position detection device (180).

18. The drive device (100) according to claim 17, wherein the position detection device (180) includes a first position switch (181) and a second position switch (182) distributed on the circumferential side of the rotating body (120), the rotating body (120) is provided with a first acting portion (183) and a second acting portion (184) at intervals along the rotation direction, the first acting portion (183) is adapted to trigger the first position switch (181) to act to change the detection signal, and the second acting portion (184) is adapted to trigger the second position switch (182) to act to change the detection signal.

19. The drive device (100) according to claim 18, wherein a detection port (165) is formed on the housing (160) of the drive device (100), the first position switch (181) and the second position switch (182) are installed outside the housing (160), and part of the first position switch (181) and part of the second position switch (182) extend into the interior of the housing (160) through the detection port (165).

20. The drive device (100) according to claim 19, wherein an annular groove (166) for avoiding the first acting portion (183) and the second acting portion (184) is provided inside the housing (160), the detection port (165) is located at the bottom of the annular groove (166), recesses (167) are formed on both sides of the annular groove (166) outside the housing (160), and a connecting portion (168) connected to the first position switch (181) and the second position switch (182) is provided in the recesses (167).

21. A cleaning module (200), characterized in that, It includes: a side brush assembly (210), and the drive device (100) according to any one of claims 1 to 20.

22. A cleaning device, characterized in that, It includes: a machine body; and the cleaning module (200) as described in claim 21; wherein at least part of the side brush assembly (210) in the first operating position is located inside the machine body in the horizontal direction, at least part of the side brush assembly (210) in the second operating position is located outside the machine body in the horizontal direction, and the area of the side brush assembly (210) in the second operating position outside the horizontal direction of the machine body is larger than the area of the side brush assembly (210) in the first operating position outside the horizontal direction of the machine body.

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