CN217659654U

CN217659654U - Collision sensing structure of sweeper

Info

Publication number: CN217659654U
Application number: CN202220697378.1U
Authority: CN
Inventors: 赵磊; 刘建青
Original assignee: Ningbo Guolang Robot Technology Co ltd
Current assignee: Ningbo Guolang Robot Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-10-28
Anticipated expiration: 2032-03-28

Abstract

The application discloses machine of sweeping floor collision response structure, which comprises a lower shell, the mounting groove has been seted up to the front portion of casing down, hit the tablet before installing in the mounting groove, be provided with controller and response subassembly down on the casing, the controller is located the front portion of casing down, response subassembly and controller are connected, the response subassembly is suitable for the response barrier, the response subassembly includes connector and inductive switch, the rotatable setting of connector is on casing down, inductive switch sets up on the controller, the tablet is hit before the outside conflict of connector one end, the connector other end and inductive switch cooperation are connected, it is when touching the barrier to hit the tablet before, the connector is suitable for the rotation and breaks away from inductive switch, optimize the improvement to the collision response structure of machine of sweeping floor, reduce the structural complexity of response subassembly, reduce the production and the equipment degree of difficulty, reduce the material, and lower cost.

Description

Collision sensing structure of sweeper

Technical Field

The application relates to the technical field of sweeping robots, in particular to a collision induction structure of a sweeper.

Background

The floor sweeping robot is also called an automatic cleaner, intelligent dust collection, a robot dust collector and the like, is one of intelligent household appliances, and can automatically complete floor cleaning work in a room by means of certain artificial intelligence. Generally, a brushing and vacuum mode is adopted, so that sundries on the ground are firstly absorbed into the garbage storage box, and the function of cleaning the ground is achieved. Generally, a robot that performs cleaning, dust collection and floor wiping is also collectively called a floor sweeping robot.

The body of the sweeping machine is a wireless machine, mainly a disc type. The rechargeable battery is used for operation, the operation mode is generally performed by a remote controller or an operation panel on the machine, and the rechargeable battery can be used for setting time, reserving and cleaning and charging automatically. Because of its simple operation and convenience, it is becoming a common household appliance for office workers and modern families.

However, the existing sweeping robot has the following defects: keep off the support upright piece before the front portion of casing can set up at lower common anticollision response structure, then keep off in the front and set up inductive switch and connector on the support upright piece, it is more that consequently keep off the spare that needs fixed on the support upright piece before, and the structure is comparatively complicated, can increase the installation degree of difficulty, and the whole volume and the weight of machine of sweeping the floor simultaneously are also great, influence the performance of machine of sweeping the floor.

Disclosure of Invention

An aim at of this application provides an integrated level height, assembles convenient quick-witted collision sensing structure of sweeping the floor.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: the utility model provides a quick-witted collision response structure of sweeping floor, includes lower casing, the mounting groove has been seted up to the front portion of casing down, hit the tablet before installing in the mounting groove, be provided with controller and response subassembly down on the casing, the controller is located the front portion of casing down, the response subassembly with the controller is connected, the response subassembly is suitable for the response barrier, the response subassembly includes connector and inductive switch, the connector is rotatable set up in down on the casing, inductive switch set up in on the controller, connector one end is outside contradicted the tablet is hit to the front, the connector other end with the inductive switch cooperation is connected, the tablet is hit when touching the barrier to the front, the connector is suitable for to rotate and breaks away from inductive switch.

As an improvement, the connector comprises a first connecting portion and a second connecting portion, the first connecting portion is connected with the front impact sensing plate in a matched mode, the second connecting portion is connected with the sensing switch in a matched mode, and the length of the first connecting portion is larger than that of the second connecting portion.

Preferably, a ratio of a length of the first connection portion to a length of the second connection portion is 3.

As an improvement, the first connecting portion includes an L-shaped bending member, the end portion of the first connecting portion is provided with a reinforcing rib, the end portion of the first connecting portion and the reinforcing rib intersect to form a cross-shaped reinforcing structure, and the reinforcing rib is located at the outer side of the bending portion of the first connecting portion and extends outwards to form an arc-shaped reinforcing portion.

As a refinement, the second connecting portion includes an L-shaped bending member, and a bending direction of the second connecting portion is opposite to a bending direction of the first connecting portion.

As an improvement, the sensing assembly further comprises a fixing support, at least one sensor and at least one receiver, the fixing support is arranged on the controller, at least one sensing cavity and at least one receiving cavity are formed in the fixing support, the sensors are arranged in the sensing cavity in a one-to-one correspondence mode, and the receivers are arranged in the receiving cavity in a one-to-one correspondence mode.

As an improvement, the number of inductors is two, the inductors are symmetrically arranged at two ends of the fixed support, the two inductors are oppositely obliquely arranged, and an included angle formed between the two inductors is 20-25 degrees.

As an improvement, radiation inclined planes are arranged on two sides of the induction cavity, and an included angle between each radiation inclined plane and the corresponding inductor is 30 degrees.

As an improvement, the fixed bolster is last to be provided with connector link and locating pin, the connector link with locating pin symmetric distribution in the fixed bolster both sides, be provided with connecting hole and locating hole on the controller, the connector link is suitable for the joint extremely the connecting hole, the locating pin is suitable for inserting the locating hole.

Preferably, the sensor comprises an infrared sensor transmitter and the receiver comprises an infrared receiver.

Compared with the prior art, the beneficial effect of this application lies in: the induction switch is integrated on the controller, the connector is integrated on the lower shell, the front-gear support vertical piece is successfully omitted, the production and the use of one part are reduced, the assembly difficulty can be reduced, the production efficiency is increased, the production cost is reduced, the weight of the sweeper is reduced due to the fact that the front-gear support vertical piece is omitted, more space can be saved in the sweeper, or the sweeper can be more compact, and therefore the performance of the sweeper is improved.

Drawings

FIG. 1 is a perspective view of a preferred embodiment according to the present application;

FIG. 2 is an exploded structural view in accordance with a preferred embodiment of the present application;

FIG. 3 is a bottom view of a preferred embodiment according to the present application;

FIG. 4 isbase:Sub>A cross-sectional view taken along the direction A-A in FIG. 3, in accordance withbase:Sub>A preferred embodiment of the present application;

FIG. 5 is a left side view of a preferred embodiment according to the present application;

FIG. 6 is a cross-sectional view taken along the direction B-B in FIG. 5 in accordance with a preferred embodiment of the present application;

FIG. 7 is a top view of a preferred embodiment according to the present application;

FIG. 8 is a perspective view of the controller and sensing assembly in cooperation according to a preferred embodiment of the present application;

FIG. 9 is a top view of a sensing assembly according to a preferred embodiment of the present application.

In the figure: 1. a lower housing; 11. a cavity; 111. positioning a groove; 12. a first fixing hole; 13. mounting grooves; 2. a drive assembly; 21. a drive wheel; 22. a driver; 221. a wheel cover; 222. positioning blocks; 223. a third fixing hole; 3. a limiting plate; 31. rotating the chute; 32. a second fixing hole; 4. a guide assembly; 41. a guide seat; 42. a guide wheel; 5. a controller; 6. an inductive component; 61. a connector; 611. a first connection portion; 612. a second connecting portion; 613. reinforcing ribs; 6131. an arc-shaped reinforcing portion; 62. an inductive switch; 63. a fixed bracket; 631. an induction cavity; 632. a receiving chamber; 64. an inductor; 65. a receiver.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or means is not necessarily limited to those steps or means expressly listed, but may include other steps or means not expressly listed or inherent to such process, method, article, or apparatus.

The present application is further described with reference to the accompanying drawings:

as shown in fig. 1 to 9, a preferred embodiment of the present application includes a lower housing 1 and a driving assembly 2, two sides of the lower housing 1 are integrally formed with a cavity 11, the cavity 11 is suitable for accommodating the driving assembly 2, the driving assembly 2 includes a driving wheel 21 and a driver 22, a motor and a transmission mechanism are integrated in the driver 22 for controlling the driving wheel 21 to rotate, the driving wheel 21 is disposed at one end of the driver 22, one side of the driving wheel 21 is exposed outside the cavity 11 and is used for contacting with the ground, so that the lower housing 1 is kept at a certain distance from the ground, and the sweeper can move, the other end of the driver 22 is rotatably connected to the lower housing 1, the driving wheel 21 is suitable for moving in a direction outside the cavity 11, so that the stability of the driving wheel 21 contacting with the ground can be improved, the maximum ground clearance of the sweeper can be improved, and the escaping capability can be increased, the volume of the driving wheel 21 outside the cavity 11 is not greater than the volume of the driving wheel 21 inside the cavity 11, the stability of the connection between the driving wheel 21 and the lower housing 1 can be ensured, and due to the poor working environment of the sweeper, the driving wheel 21 can be prevented from being exposed to the head hair line and other impurities such as to cause the head hair line and the impurities can not normally run.

The fixing structure of the driving assembly 2 is directly designed to be the accommodating cavity 11 integrated on the lower shell 1 and integrally formed with the lower shell 1, so that the strength of the fixing structure of the driving assembly 2 is effectively increased, the fixing structure of the driving assembly 2 is not easily damaged when the sweeper is used or is subjected to external downward pressure, the use stability is improved, the assembly difficulty can be reduced and the production efficiency is increased due to the fact that one part is reduced; connect through driver 22 and lower casing 1's rotation, drive assembly 2 can move about for lower casing 1, when the machine activity in-process that sweeps the floor appears dragging the end phenomenon, if drive assembly 2 is unable to move about, then drive wheel 21 can break away from ground, leads to the removal route of the machine of sweeping the floor to hinder, influences the trafficability characteristic, and drive assembly 2 of activity can keep the contact on drive wheel 21 and ground, increases the ability of getting rid of poverty of the machine of sweeping the floor, makes the environment adaptability of the machine of sweeping the floor stronger.

The wheel cover 221 is integrally formed on the driver 22, the wheel cover 221 is suitable for covering the upper portion of the driving wheel 21, the wheel cover 221 is suitable for preventing the driving wheel 21 from contacting with the accommodating cavity 11, and because the driving wheel 21 moves along with the driver 22, the wheel cover 221 can avoid the contact interference between the driving wheel 21 and the lower shell 1 in the moving process, so that the rotation of the driving wheel 21 cannot be blocked by the lower shell 1, and the driving wheel 21 cannot be abraded with the lower shell 1.

As shown in fig. 4, the limiting plate 3 is arranged at the bottom of the cavity 11, the limiting plate 3 is suitable for fixing the driver 22, the limiting plate 3 is taken down, the cavity 11 can be detached from the bottom of the sweeper, the assembling of the driving assembly 2 and the difficulty of maintenance and replacement can be reduced, the rotating chute 31 is formed in the limiting plate 3, an included angle α is formed between the rotating chute 31 and the

driver

22, 0 degrees is less than or equal to 20 degrees, the included angle α is preferably 20 degrees, the rotating chute 31 is used for limiting the rotating angle of the driver 22, when the trafficability of the driving wheel 21 is increased, the driving wheel 21 can be ensured, and the structural stability between the driver 22 and the lower shell 1 can be ensured.

The top of driver 22 is provided with locating piece 222, is provided with constant head tank 111 in holding the chamber 11, and constant head tank 111 is suitable for the cooperation to hold locating piece 222, and the installation of driver 22 can be guided to the setting of constant head tank 111 and locating piece 222, still can set up the elasticity piece that resets in constant head tank 111, makes driver 22 elasticity reset through promoting locating piece 222, lets drive wheel 21 can realize shock attenuation structure, promotes drive assembly 2's suitability.

As shown in fig. 3, the front portion of the lower housing 1 is provided with a guide assembly 4, the guide assembly comprises a guide seat 41 and a guide wheel 42, the guide seat 41 is rotatably connected with the lower housing 1, the guide wheel is eccentrically rotatably arranged on the guide seat 41, the guide wheel 42 is controlled by the guide seat 41 to eccentrically rotate, and the steering movement of the sweeper can be performed in various forms by the rotation difference of the driving wheels 21 on the two sides.

As shown in fig. 5 to 6, limiting plate 3 and lower casing 1 can dismantle the connection, first fixed orifices 12 has been seted up on lower casing 1, be provided with at least one second fixed orifices 32 on the limiting plate 3, be provided with third fixed orifices 223 on the driver 22, first fixed orifices 12, second fixed orifices 32 and third fixed orifices 223 cooperation bolted connection, limiting plate 3 and lower casing 1 between the connection structure both can regard as fixed knot to construct, also can regard as driver 22's rotating-structure to use, when guaranteeing joint strength, both simplified the equipment operation, also enable connection structure compacter, reduce the occupation in space.

As shown in fig. 7 to 9, a mounting groove 13 is formed in the front portion of the lower housing 1, a front collision sensing plate is installed in the mounting groove 13, a controller 5 and a sensing component 6 are arranged on the lower housing 1, the controller 5 is located in the front portion of the lower housing 1, the sensing component 6 is connected with the controller 5, the sensing component 6 is suitable for sensing an obstacle, the sensing mode includes remote sensing and collision sensing, the sensing component 6 includes a connector 61 and a sensing switch 62, the connector 61 is rotatably arranged on the lower housing 1, the sensing switch 62 is integrally arranged on the controller 5, the sensing switch 62 preferably uses an optical coupler switch, one end of the connector 61 outwards collides with the front collision sensing plate, the other end of the connector 61 is connected with the sensing switch 62 in a matching manner, the front collision sensing plate can be pressed into the mounting groove 13 by the obstacle when touching the obstacle, so as to drive the connector 61 to move, the connector 61 is suitable for rotating to separate from the sensing switch 62 at this time, the controller 5 controls the driving component 2 by combining with other sensing modes after being fed back by the sensing switch 62, and passive obstacle avoidance is realized.

With inductive switch 62 integration on controller 5, connector 61 is integrated on casing 1 down, the use of preceding shelves support stand has been cancelled successfully, owing to reduced the production and the use of a spare part, can reduce the equipment degree of difficulty, increase production efficiency, reduction in production cost, owing to cancelled preceding shelves support stand, still reduced the weight of sweeper, can save more spaces in the sweeper, perhaps can make the sweeper become more compact, thereby realize promoting (for example save the electric quantity, increase trafficability characteristic etc.) the performance of sweeper.

The connector 61 comprises a first connecting part 611 and a second connecting part 612, the first connecting part 611 is in fit connection with the front impact sensing plate, the second connecting part 612 is in fit connection with the sensing switch 62, the length of the first connecting part 611 is larger than that of the second connecting part 612, the ratio of the length of the first connecting part 611 to that of the second connecting part 612 is preferably 3, by using the lever principle, the first connecting part 611 is a power arm, the second connecting part 612 is a resistance arm, and the power moving distance is saved.

First connecting portion 611 includes the L shape component of buckling, the tip of first connecting portion 611 is equipped with strengthening rib 613, the tip and the strengthening rib 613 of first connecting portion 611 intersect and form cross additional strengthening, strengthening rib 613 extends the arch outward in the department of buckling outside of first connecting portion 611 and forms arc reinforcing portion 6131, because first connecting portion 611 is the power arm, can receive great power during the collision sensing, cross additional strengthening can guarantee the tip intensity of first connecting portion 611, the connection strength at the crooked position of first connecting portion 611 can be protected to arc reinforcing portion 6131, reduce the cracked probability of first connecting portion 611 deformation, promote the stability of collision sensing structure.

The second connecting portion 612 includes an L-shaped bending member, the bending direction of the second connecting portion 612 is opposite to the bending direction of the first connecting portion 611, and the end of the second connecting portion 612 can be matched according to the arrangement mode of the inductive switch 62, so that the second connecting portion 612 is prevented from moving and interfering with the inductive switch 62 in the process of rotating along with the first connecting portion 611, and normal triggering of the inductive switch 62 is prevented from being affected.

The sensing assembly 6 further comprises a fixed support 63, at least one inductor 64 and at least one receiver 65, the fixed support 63 is arranged on the controller 5, at least one sensing cavity 631 and at least one receiving cavity 632 have been seted up on the fixed support 63, inductor 64 one-to-one sets up in sensing cavity 631, receiver 65 one-to-one sets up in receiving cavity 632, inductor 64 includes the infrared sensor transmitter, receiver 65 includes infrared receiver 65, inductor 64 and receiver 65 cooperation can realize the remote sensing of machine of sweeping the floor and keep away the barrier, infrared sensing discerns the barrier in advance and carries out the control of speed and direction, the dynamics of avoiding the machine of sweeping the floor to strike the barrier is too big.

As shown in fig. 9, preferably two sensors 64 and two receivers 65 are used, the receivers 65 are symmetrically arranged at the middle position of the fixing support 63, the sensors 64 are symmetrically arranged at the two ends of the fixing support 63, the two sensors 64 are oppositely arranged in an inclined manner, an included angle β formed between the sensing centers of the two sensors 64 is 20 ° to 25 °, and the receiving sensing capability of the receivers 65 on sensing signals sent by the sensors 64 is improved, so that the capability of the sweeper for sensing the front obstacle is more accurate.

The two sides of the sensing cavity 631 are provided with radiation inclined planes, an included angle between the radiation inclined planes and the sensing center of the sensor 64 is gamma, the gamma is preferably 30 degrees, the sensing range of the sensor 64 is limited, and the sensing range and the sensing precision are balanced.

Be provided with connector link and locating pin on the fixed bolster 63, connector link and locating pin symmetric distribution are provided with connecting hole and locating hole on the controller 5 in the fixed bolster 63 both sides, and the connector link is suitable for joint to connecting hole, and the locating pin is suitable for inserting the locating hole, and the fixed bolster 63 is the quick detach design, convenient equipment and change.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and such changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a quick-witted collision response structure of sweeping floor which characterized in that: the lower casing is arranged, a mounting groove is formed in the front of the lower casing, a front collision sensing plate is installed in the mounting groove, a controller and a sensing assembly are arranged on the lower casing, the controller is located in the front of the lower casing, the sensing assembly is connected with the controller and suitable for sensing a barrier, the sensing assembly comprises a connector and a sensing switch, the connector is rotatably arranged on the lower casing, the sensing switch is arranged on the controller, one end of the connector outwards abuts against the front collision sensing plate, the other end of the connector is connected with the sensing switch in a matched mode, and the connector is suitable for rotating and separating from the sensing switch when the barrier is touched by the front collision sensing plate.

2. The collision sensing structure of the sweeper of claim 1, characterized in that: the connector comprises a first connecting part and a second connecting part, the first connecting part is connected with the front impact sensing plate in a matched mode, the second connecting part is connected with the sensing switch in a matched mode, and the length of the first connecting part is larger than that of the second connecting part.

3. The collision sensing structure of the sweeper of claim 2, wherein: the ratio of the length of the first connecting portion to the length of the second connecting portion is 3.

4. The collision sensing structure of the sweeper of claim 2, wherein: first connecting portion include the L shape component of buckling, the tip of first connecting portion is equipped with the strengthening rib, the tip of first connecting portion with the strengthening rib alternately forms cross additional strengthening, the strengthening rib is in the outside arch formation arc reinforcing portion that extends outward in the department of buckling of first connecting portion.

5. The collision sensing structure of the sweeper of claim 4, wherein: the second connecting portion comprises an L-shaped bending component, and the bending direction of the second connecting portion is opposite to that of the first connecting portion.

6. The collision sensing structure of the sweeper of claim 1, wherein: the induction component further comprises a fixed support, at least one inductor and at least one receiver, the fixed support is arranged on the controller, at least one induction cavity and at least one receiving cavity are formed in the fixed support, the inductors are arranged in the induction cavities in a one-to-one correspondence mode, and the receivers are arranged in the receiving cavities in a one-to-one correspondence mode.

7. The collision sensing structure of the sweeper of claim 6, wherein: the quantity of inductor is two, the inductor symmetry set up in the both ends of fixed bolster, two the inductor sets up in the slope relatively, two the contained angle that forms between the inductor is 20 to 25.

8. The collision sensing structure of the sweeper of claim 6, wherein: the two sides of the induction cavity are provided with radiation inclined planes, and an included angle between each radiation inclined plane and the corresponding inductor is 30 degrees.

9. The collision sensing structure of the sweeper of claim 6, wherein: the fixing support is provided with a connecting buckle and a positioning pin, the connecting buckle and the positioning pin are symmetrically distributed on two sides of the fixing support, a connecting hole and a positioning hole are formed in the controller, the connecting buckle is suitable for being clamped to the connecting hole, and the positioning pin is suitable for being inserted into the positioning hole.

10. The collision sensing structure of the sweeper of claim 6, wherein: the sensor includes an infrared sensor transmitter and the receiver includes an infrared receiver.