CN213963227U

CN213963227U - Floor sweeping robot

Info

Publication number: CN213963227U
Application number: CN202022519279.8U
Authority: CN
Inventors: 张钰峰; 赵传涛
Original assignee: Shenzhen Proscenic Technology Co Ltd
Current assignee: Shenzhen Proscenic Technology Co Ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-08-17
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a robot of sweeping floor, include: a dust collection air duct extends inside the machine shell; the rolling brush structure is arranged at the bottom of the machine shell and is positioned at the initial section of the dust collection air duct; the centrifugal fan is arranged in the shell and positioned at the tail end of the dust collection air duct so as to form negative pressure for dust collection; and the stress sensor is arranged in the dust collection air duct and used for judging whether the dust collection air duct is smooth or not according to the stress detection condition. The utility model discloses technical scheme can detect whether smooth and easy in the dust absorption wind channel of robot of sweeping the floor intelligently to avoid appearing the jam of dust absorption wind channel, reduce the condition of robot efficiency of sweeping the floor.

Description

Floor sweeping robot

Technical Field

The utility model relates to a machine of sweeping the floor technical field, in particular to robot of sweeping the floor.

Background

At present, a sweeping robot becomes a common household appliance in daily life of people, the situation that a dust suction channel is blocked easily occurs in the working process of the sweeping robot, once the blockage occurs, the sweeping robot cannot timely feed back an alarm, the sweeping robot can work with extremely low efficacy, the waste of electric energy is caused, and even the damage of the robot can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a robot of sweeping floor, aim at solving the technical problem that the machine of sweeping floor dust absorption passageway blockked up unable timely warning among the prior art.

In order to achieve the above object, the utility model provides a robot of sweeping floor, include:

a dust collection air duct extends inside the machine shell;

the rolling brush structure is arranged at the bottom of the machine shell and is positioned at the initial section of the dust collection air duct;

the centrifugal fan is arranged in the shell and positioned at the tail end of the dust collection air duct so as to form negative pressure for dust collection;

and the stress sensor is arranged in the dust collection air duct and used for judging whether the dust collection air duct is smooth or not according to the stress detection condition.

Optionally, the dust collection air duct includes an air outlet chamber and a dust collection chamber, one side of the dust collection chamber is communicated with the inner chamber of the roller brush structure, the other side of the dust collection chamber is communicated with the air outlet chamber, one side of the air outlet chamber, which is far away from the dust collection chamber, is communicated with the centrifugal fan, a filtering device is arranged at the joint of the dust collection chamber and the air outlet chamber, and the stress sensor is arranged in the dust collection chamber.

Optionally, a supporting arm is convexly arranged on the wall of the inlet of the dust collection cavity, and the stress sensor is arranged at the free end of the supporting arm.

Optionally, the supporting arm extends downwards from a top wall of the dust collecting chamber, and the stress sensor is disposed at a bottom end of the supporting arm and has a windward side inclined toward an inlet of the dust collecting chamber.

Optionally, the casing includes a housing, and an air outlet casing and a dust collecting box assembled in the housing, the air outlet casing extends along a horizontal direction, one end of the air outlet casing is provided with a fan mounting opening, the other end of the air outlet casing is provided with an air inlet, and the air outlet cavity is formed between the fan mounting opening and the air inlet;

the dust collecting box is placed up and down, the interior of the dust collecting box is hollow to form the dust collecting cavity, a dust collecting cavity outlet connected with the air inlet is arranged on one horizontal side, a dust collecting cavity inlet communicated with the inner cavity of the rolling brush structure is arranged on the other side, and the filtering device is blocked at the connecting part of the dust collecting cavity outlet and the air inlet.

Optionally, a containing groove is concavely formed in the surface of one side, close to the air outlet shell, of the dust collecting box, an outlet of the dust collecting cavity is formed at the bottom of the containing groove, and the filtering device is installed in the containing groove in a matched manner;

the filter device comprises an annular shell and a filter material arranged in the annular shell, one side of the annular shell abuts against the periphery of the air inlet, the other side of the annular shell abuts against the bottom of the accommodating groove, and the filter material is arranged between the outlet of the dust collection cavity and the air inlet in a separated mode.

Optionally, a mounting plate extending along a vertical direction in an inclined manner is arranged on one side of the dust collection box facing the rolling brush structure, the dust collection cavity inlet is arranged on the mounting plate in a penetrating manner, and the mounting plate and the rolling brush structure are detachably assembled.

Optionally, the rolling brush structure includes a cylindrical housing and a rolling brush disposed in the cylindrical housing, the cylindrical housing has a sealing plate disposed to be inclined to the mounting plate, and a dust inlet is disposed on the sealing plate to correspond to the dust collecting cavity inlet.

Optionally, the top wall of the dust collecting box comprises a dust pouring cover which movably covers the dust collecting cavity.

Optionally, the sweeping robot further comprises a reminding device arranged on the casing, wherein the reminding device is in communication connection with the stress sensor so as to send a reminding signal when the dust collection air duct is blocked based on the feedback of the stress sensor.

The utility model discloses technical scheme sets up stress sensor through in the dust absorption wind channel of robot of sweeping the floor to the unobstructed degree in numerical value reflection dust absorption wind channel through stress sensor plays the effect that intelligence reminded the user and clear up the dust then, has effectively promoted this robot's of sweeping the floor user experience.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of the sweeping robot of the present invention;

fig. 2 is a schematic view of a partial structure of the sweeping robot in fig. 1.

The reference numbers illustrate:

1. a housing; 11. a housing; 12. a dust collection air duct; 121. a dust collection chamber; 122. an air outlet cavity; 13. an air outlet shell; 131. a fan mounting port; 132. an air inlet; 14. a dust collecting box; 141. mounting a plate; 141a, a dust collection chamber inlet; 142. a dust pouring cover; 142a, a support arm; 143. a containing groove; 143a, a dust collection chamber outlet; 2. a rolling brush structure; 21. a cylindrical housing; 211. a sealing plate; 211a and a dust inlet; 22. rolling and brushing; 3. a centrifugal fan; 4. a stress sensor; 41. the windward side; 5. a filtration device; 51. an annular housing; 52. a filter material.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a robot of sweeping floor.

In the embodiment of the present invention, referring to fig. 1 and 2, the sweeping robot includes:

a dust collection air duct 12 extends from the interior of the machine shell 1;

the rolling brush 22 structure 2 is arranged at the bottom of the machine shell 1 and is positioned at the initial section of the dust collection air duct 12;

the centrifugal fan 3 is arranged in the machine shell 1 and is positioned at the tail end of the dust absorption air duct 12 to form negative pressure for dust absorption;

and the stress sensor 4 is arranged in the dust collection air duct 12 and used for judging whether the dust collection air duct 12 is smooth or not according to the stress detection condition.

It is easy to understand that the dust collection duct 12 may be formed by the casing 1 as a whole, or formed by assembling and splicing a plurality of shells in the casing 1, and the design is not limited thereto; the roller brush 22 structure 2 includes a cylindrical housing 21, and a roller brush 22 disposed in the cylindrical housing 21, the cylindrical housing 21 has an opening facing the ground, the roller brush 22 at least partially protrudes from the opening to clean the ground, and the opening is also used for sucking dust on the ground into the dust collection duct 12. It can be understood that along with the dust that the air current got into can collide stress sensor 4 unavoidably, stress sensor 4 can acquire the impact numerical value of dust this moment, obviously, under the unchangeable condition of 3 operating power of centrifugal fan, dust absorption wind channel 12 is unobstructed more, and impact numerical value is big more, otherwise, dust absorption wind channel 12 blocks up more, and impact numerical value is little, so, can reflect the unobstructed degree of dust absorption passageway through the numerical value that stress sensor 4 obtained. Without loss of generality, the sweeping robot further comprises a reminding device (not shown) arranged on the machine shell 1, and the reminding device is in communication connection with the stress sensor 4 so as to send out a reminding signal when the dust collection air duct 12 is blocked based on the feedback of the stress sensor 4. For example, but not limited to, the reminding device may be a speaker capable of emitting a warning sound, or a warning light capable of emitting a warning light, and the design is not limited thereto.

The utility model discloses technical scheme sets up stress sensor 4 through in the dust absorption wind channel 12 of robot of sweeping the floor to the unobstructed degree in numerical value reflection dust absorption wind channel 12 through stress sensor 4 plays the effect that intelligence reminded the user and clear up the dust then, has effectively promoted this robot's of sweeping the floor user experience.

Optionally, the dust collection duct 12 includes an air outlet chamber 122 and a dust collection chamber 121, one side of the dust collection chamber 121 communicates with the inner chamber of the rolling brush 22 structure 2, the other side communicates with the air outlet chamber 122, one side of the air outlet chamber 122 far away from the dust collection chamber 121 communicates with the centrifugal fan 3, a filter device 5 is disposed at a connection position of the dust collection chamber 121 and the air outlet chamber 122, and the stress sensor 4 is disposed in the dust collection chamber 121. It can be understood that, with such an arrangement, the numerical value of the stress sensor 4 not only reflects the smoothness of the dust collection air duct 12, but also reflects the accumulation degree of dust in the dust collection cavity 121, so as to effectively remind a user to clean the dust collection cavity 121 in time. It should be noted that the design is not limited thereto, and in other embodiments, the stress sensor 4 may be disposed in the air outlet cavity 122 or other positions in the dust collection duct 12.

Optionally, a supporting arm 142a is protruded from the wall of the inlet of the dust collecting chamber 121, and the stress sensor 4 is disposed at the free end of the supporting arm 142 a. It will be appreciated that the arrangement such that the stress sensor 4 is located close to the centre of the cross-section of the suction air duct 12 increases the probability of dust hitting the stress sensor 4. More particularly, the supporting arm 142a extends downwards from the top wall of the dust collecting chamber 121, and the stress sensor 4 is disposed at the bottom end of the supporting arm 142a and has a windward side 41 obliquely disposed facing the inlet of the dust collecting chamber 121. It will be appreciated that the arrangement is such that the airflow entering the dust collecting chamber 121 blows directly onto the windward face 41 of the stress sensor 4, ensuring that the incoming dust impacts the stress sensor 4.

Optionally, the casing 1 includes an outer casing 11, and an air outlet casing 13 and a dust collection box 14 assembled in the outer casing 11, the air outlet casing 13 extends along a horizontal direction, one end of the air outlet casing is provided with a fan mounting opening 131, the other end of the air outlet casing is provided with an air inlet 132, and an air outlet cavity 122 is formed between the fan mounting opening 131 and the air inlet 132; the dust collecting box 14 is placed up and down, the interior of the dust collecting box is hollow to form a dust collecting cavity 121, an outlet of the dust collecting cavity 121 connected with the air inlet 132 is arranged on one horizontal side, an inlet of the dust collecting cavity 121 communicated with the inner cavity of the rolling brush 22 structure 2 is arranged on the other horizontal side, and the filtering device 5 is blocked at the connecting part of the outlet of the dust collecting cavity 121 and the air inlet 132. It can be understood that the dust collection duct 12 is divided according to different functions, which is beneficial to ensuring that the power source and the dust collection space are not obstructed, and better maintaining the stability of the system. Without loss of generality, the top wall of the dust box 14 includes a dust pouring lid 142 movably covering the dust chamber 121, and the supporting arms 142a extend from the inner surface of the dust pouring lid 142 and are provided with the stress sensors 4. It can be understood that, with such an arrangement, the dust pouring cover 142 does not need to be taken down from the dust collecting box 14 in the process of pouring dust when the user takes out the dust collecting box 14 from the shell 11, and the convenience of the operation of the user is improved. For example, but not limiting of, the dust dumping cover 142 is rotatably connected with the dust box 14; of course, in other embodiments, the dust dumping cover 142 can be slidably connected to the dust box 14, and the design is not limited thereto.

Optionally, a containing groove 143 is concavely provided on a side surface of the dust collecting box 14 close to the air outlet casing 13, an outlet of the dust collecting cavity 121 is formed at the bottom of the containing groove 143, and the filtering device 5 is fittingly installed in the containing groove 143;

the filtering device 5 comprises an annular housing 51 and a filtering material 52 arranged in the annular housing 51, one side of the annular housing 51 abuts against the periphery of the air inlet 132, the other side abuts against the bottom of the accommodating groove 143, and the filtering material 52 is arranged between the outlet of the dust collecting cavity 121 and the air inlet 132 in a separated manner. It can be understood that, with such an arrangement, the filter device 5 is embedded in the side surface of the dust collecting box 14 reasonably, on one hand, the space utilization rate in the shell 11 is improved, and on the other hand, the sealing performance between the filter device 5 and the dust collecting box 14 and between the filter device and the air outlet shell 13 can be better ensured.

Optionally, the side of the dust collecting box 14 facing the rolling brush 22 structure 2 is provided with a mounting plate 141 extending obliquely in the vertical direction, the mounting plate 141 is provided with an inlet of the dust collecting chamber 121, and the mounting plate 141 is detachably assembled with the cylindrical housing 21. It can be understood that the plate surface of the mounting plate 141 is arranged facing the cylindrical structure, so that the design of an assembly structure between the two is facilitated, and the reliability of connection between the two is effectively ensured. For example, but not limited to, the mounting plate 141 is provided with a plurality of screw holes, the cylindrical structure is correspondingly provided with connecting holes, and screws are inserted through the locking screw holes and the connecting holes.

Without loss of generality, the cylindrical housing 21 has a sealing plate 211 obliquely arranged corresponding to the closely attached mounting plate 141, and a dust inlet 211a is arranged on the sealing plate 211 corresponding to the inlet of the dust collection chamber 121. It will be appreciated that this arrangement can better ensure the sealing property at the communication between the cylindrical housing 21 and the dust box 14.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A sweeping robot is characterized by comprising:

a dust collection air duct extends inside the machine shell;

the centrifugal fan is arranged in the shell and positioned at the tail end of the dust collection air duct so as to form negative pressure for dust collection; and

and the stress sensor is arranged in the dust collection air duct so as to judge whether the dust collection air duct is smooth or not according to the stress detection condition.

2. The sweeping robot of claim 1, wherein the dust collection duct comprises an air outlet chamber and a dust collection chamber, one side of the dust collection chamber is communicated with the inner cavity of the roller brush structure, the other side of the dust collection chamber is communicated with the air outlet chamber, one side of the air outlet chamber, which is far away from the dust collection chamber, is communicated with the centrifugal fan, a filtering device is arranged at the joint of the dust collection chamber and the air outlet chamber, and the stress sensor is arranged in the dust collection chamber.

3. The sweeping robot as claimed in claim 2, wherein a supporting arm is convexly provided on the wall of the inlet of the dust collection chamber, and the stress sensor is provided at the free end of the supporting arm.

4. The sweeping robot of claim 3, wherein the support arm extends downwardly from a top wall of the dust collecting chamber, and the stress sensor is disposed at a bottom end of the support arm and has a windward surface inclined toward an inlet of the dust collecting chamber.

5. The sweeping robot of claim 2, wherein the housing comprises a housing, and an air outlet housing and a dust collecting box assembled in the housing, the air outlet housing extends horizontally, one end of the air outlet housing is provided with a fan mounting opening, the other end of the air outlet housing is provided with an air inlet, and the air outlet cavity is formed between the fan mounting opening and the air inlet;

6. The sweeping robot according to claim 5, wherein a containing groove is concavely formed on one side surface of the dust collecting box close to the air outlet shell, the outlet of the dust collecting cavity is formed at the bottom of the containing groove, and the filtering device is adapted to be installed in the containing groove;

7. The sweeping robot according to claim 5, wherein a mounting plate extending obliquely in the vertical direction is arranged on one side of the dust collection box facing the rolling brush structure, the dust collection cavity inlet is arranged on the mounting plate in a penetrating manner, and the mounting plate is detachably assembled with the rolling brush structure.

8. The sweeping robot of claim 7, wherein the roller brush structure comprises a cylindrical housing and a roller brush arranged in the cylindrical housing, the cylindrical housing has a sealing plate which is obliquely arranged correspondingly to the mounting plate, and a dust inlet is arranged on the sealing plate corresponding to the dust collection cavity inlet.

9. A sweeping robot according to claim 5, wherein the top wall of the dust collecting box comprises a dust pouring cover for movably covering the dust collecting cavity.

10. The robot of any one of claims 1 to 9, further comprising a reminder disposed on the housing, wherein the reminder is in communication with the stress sensor to send a reminder signal when the dust collection duct is clogged based on the feedback of the stress sensor.