CN218220093U

CN218220093U - Floor sweeping robot

Info

Publication number: CN218220093U
Application number: CN202222043451.6U
Authority: CN
Inventors: 张圣平
Original assignee: Shenzhen Useer Robot Co Ltd
Current assignee: Shenzhen Useer Robot Co Ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-01-06
Anticipated expiration: 2032-08-04

Abstract

The utility model relates to a cleaning device technical field discloses a robot of sweeping floor. The robot of sweeping the floor includes this somatic part and limit wheel subassembly, this somatic part includes casing and the power of setting in the casing, the bottom of casing is provided with the holding tank, be provided with terminal group on two relative first lateral walls that set up of first direction are followed to the holding tank respectively, every group terminal group includes two terminals of being connected with the anodal and negative electricity of power respectively, limit wheel subassembly detachably installs in the holding tank, limit wheel subassembly includes back shaft and two and connects respectively in the limit wheel that directly drives at back shaft both ends, the both ends of back shaft are provided with contact group respectively, every group contact group includes two respectively with the corresponding limit wheel that directly drives, the contact of negative electricity connection, the both ends of back shaft correspond so that two sets of terminal groups correspond with two sets of contact group electricity with two sets of first lateral wall butts respectively. The utility model discloses robot of sweeping floor, limit wheel subassembly are changed conveniently, and change process can not harm casing inner structure.

Description

Floor sweeping robot

Technical Field

The utility model relates to a cleaning device technical field especially relates to a robot of sweeping floor.

Background

With the continuous improvement of the requirements of people on the quality of life, the sweeping robot is more and more applied to the life of common families. In the prior art, the sweeping robot comprises a body part and a side wheel assembly, wherein the side wheel assembly is installed on the body part and is used for driving the whole sweeping robot to move. The body part is internally provided with a power supply, and the edge wheel assembly is electrically connected with the power supply inside the body part through a wire. When the limit wheel subassembly breaks down and needs to be changed, need dismantle this somatic part, still need carry out the dismantlement and the connection of wire, it is very inconvenient to the operation of ordinary user's change limit wheel subassembly, and still can damage other structures of this somatic part inside dismantling the in-process, and then lead to the damage of other functions of the robot of sweeping the floor.

Therefore, a sweeping robot is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a robot of sweeping floor, limit wheel subassembly is changed conveniently, and changes the process and can not harm casing inner structure.

To achieve the purpose, the utility model adopts the following technical proposal:

a sweeping robot comprising:

the body part comprises a shell and a power supply arranged in the shell, wherein the bottom of the shell is provided with an accommodating groove, two first side walls which are oppositely arranged along a first direction of the accommodating groove are respectively provided with a terminal group, and each terminal group comprises two terminals which are respectively electrically connected with the anode and the cathode of the power supply;

the edge wheel assembly is detachably installed in the accommodating groove and comprises a supporting shaft and two direct-drive edge wheels which are connected to the two ends of the supporting shaft respectively, contact sets are arranged at the two ends of the supporting shaft respectively, each contact set comprises two contacts which are respectively electrically connected with the positive pole and the negative pole of the corresponding direct-drive edge wheel, and the two ends of the supporting shaft are respectively abutted to the two first side walls to enable the two sets of terminal sets to correspond to the two sets of contact sets and are electrically connected with the two sets of contact sets.

Preferably, the direct drive edge wheel comprises:

the stator assembly is fixedly connected with the supporting shaft, and the positive pole and the negative pole of the stator assembly extend into the supporting shaft through wires and are respectively and electrically connected with the contact groups on the corresponding sides;

and the rotor assembly is sleeved outside the stator assembly and can rotate relative to the stator assembly.

Preferably, the side wheel assembly and the shell are respectively provided with a permanent magnet, and the permanent magnet on the side wheel assembly and the permanent magnet on the shell are adsorbed to enable the side wheel assembly to be fixed in the accommodating groove.

Preferably, the limit wheel subassembly includes the shrouding, the shrouding with back shaft fixed connection, the shrouding moves towards along the second direction one side of casing is inlayed and is equipped with a plurality of first permanent magnets, the bottom of casing is inlayed and is equipped with a plurality of second permanent magnets, every first permanent magnet can correspond to adsorb one the second permanent magnet, the second direction perpendicular to first direction.

Preferably, the bottom of casing is provided with heavy groove, the second permanent magnet inlays to be located the tank bottom of heavy groove, the shrouding hold in heavy groove, just heavy groove can be followed first direction and third direction location the shrouding, the third direction perpendicular to first direction with the second direction.

Preferably, a permanent magnet is disposed on one of the edge wheel assembly and the housing, and a ferromagnetic member is disposed on the other, and the permanent magnet attracts the ferromagnetic member to fix the edge wheel assembly in the receiving groove.

Preferably, the side wheel assembly comprises a sealing plate, the sealing plate is fixedly connected with the support shaft, a plurality of third permanent magnets are fixed to the bottom of the shell, the sealing plate is a ferromagnetic piece, and the third permanent magnets can adsorb the sealing plate.

Preferably, the bottom of casing still is provided with heavy groove, the shrouding connect in the back shaft deviates from along the second direction one side of casing, the shrouding can hold in heavy groove, heavy groove can be followed first direction and third direction location the shrouding, the third direction perpendicular to the second direction with first direction.

Preferably, one side of the sealing plate facing the housing is provided with a plurality of positioning grooves, and each third permanent magnet can be correspondingly inserted into one of the positioning grooves.

Preferably, the holding tank includes horizontal slot portion and two longitudinal grooves portion that are located respectively horizontal slot portion both ends, horizontal slot portion can be followed the third direction and fixed a position the back shaft, every directly drive the limit wheel and correspond and be located one in the longitudinal grooves portion.

Preferably, the terminal includes:

the connecting plate is connected to the first side wall and is electrically connected with the positive pole or the negative pole of a power supply;

butt joint board, with the connecting plate is connected and is formed "V" style of calligraphy, and the opening side of "V" style of calligraphy deviates from the opening side of holding tank, butt joint board elasticity butt in the tip of back shaft the contact.

The utility model discloses beneficial effect does:

the utility model discloses a robot of sweeping floor through set up the terminal group of being connected with the power electricity in the holding tank that is used for holding the limit wheel subassembly to set up and directly drive the contact group that the limit wheel electricity is connected at the both ends of the back shaft of limit wheel subassembly, when with limit wheel subassembly mechanical mounting in the in-process of holding tank, the first side wall of back shaft butt holding tank, then contact group correspond with the holding tank on the terminal group butt, and then realized directly driving the limit wheel and be connected with the electricity of power. The utility model discloses a sweep robot directly drive the mechanical dismantlement process realization that the limit wheel subassembly is followed in the electricity connection/outage of limit wheel and power, need not unpack apart this somatic part, also need not carry out the connection and the dismouting of wire to the process operation that makes the installation of limit wheel or change is more convenient, and does not have the risk of damaging this somatic part inner structure.

Drawings

Fig. 1 is a side view of a sweeping robot provided in a first embodiment of the present invention;

fig. 2 is a bottom view of the sweeping robot according to the first embodiment of the present invention;

fig. 3 is an exploded schematic view of a sweeping robot according to a first embodiment of the present invention;

fig. 4 is an exploded schematic view of a cleaning robot provided in the second embodiment of the present invention.

In the figure:

1-a shell; 11-a holding tank; 111-a first side wall; 112-transverse groove; 113-a longitudinal slot; 12-sinking a tank;

2-a terminal; 21-a connecting plate; 22-an abutment plate;

3-a side wheel assembly; 31-a support shaft; 32-direct drive edge wheels; 33-a contact; 34-closing the plate; 341-a positioning groove;

41-a first permanent magnet; 42-a second permanent magnet; 43-a third permanent magnet;

5-supporting the wheels.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

The embodiment provides a sweeping robot. As shown in fig. 1-3, the sweeping robot includes a body portion, a side wheel assembly 3 and a support wheel 5. The body part comprises a shell 1, and components such as a power supply, a dust box and a control unit which are used for realizing normal operation of the sweeping robot are arranged in the shell 1, and are not described herein any more. The side wheel assembly 3 comprises a supporting shaft 31 and two direct-drive side wheels 32 which are respectively connected to two ends of the supporting shaft 31, and the two direct-drive side wheels 32 and the supporting wheel 5 jointly support the body part so as to ensure the stability of the movement process of the sweeping robot. The two direct-drive side wheels 32 can output the same or different rotating speeds so as to realize the straight movement or turning of the sweeping robot. As shown in fig. 1 and 2, the X direction represents a first direction, the Z direction represents a second direction, the Y direction represents a third direction, and the X direction, the Y direction, and the Z direction are perpendicular to each other. In this embodiment, taking the state of the floor sweeping robot during normal operation as an example, the X direction and the Y direction both represent the horizontal direction, and the Z direction represents the vertical direction.

In order to facilitate the installation or replacement of the edge wheel, preferably, the bottom of the housing 1 is provided with an accommodating groove 11, two first side walls 111 of the accommodating groove 11, which are oppositely arranged along a first direction, are respectively provided with a terminal group, each group of terminal groups includes two terminals 2 which are respectively electrically connected with the positive electrode and the negative electrode of the power supply, the edge wheel assembly 3 is detachably installed in the accommodating groove 11, two ends of the supporting shaft 31 are respectively provided with a contact group, each group of contact group includes two contacts 33 which are respectively electrically connected with the positive electrode and the negative electrode of the corresponding direct-drive edge wheel 32, and two ends of the supporting shaft 31 along the first direction are respectively abutted against the two first side walls 111 so as to enable the two groups of terminal groups to be correspondingly electrically connected with the two groups of contacts.

Specifically, direct drive edge wheel 32 includes a stator assembly and a rotor assembly. Wherein stator module and support shaft 31 fixed connection specifically can locate support shaft 31 for the stator module cover. Stator module's positive, negative pole stretch into inside back shaft 32 through the wire to respectively with two contacts 33 electricity of the contact group that correspond are connected, stator module's the outside is located to the rotor subassembly cover, after stator module circular telegram, the rotor subassembly can rotate for stator module, directly drives limit wheel 32 output rotational motion promptly. For a specific connection relationship between the stator assembly and the rotor assembly, refer to patent application CN111600436A, which is not described herein again.

The robot of sweeping floor of this embodiment, with the in-process of limit wheel subassembly 3 mechanical mounting in holding tank 11, two first lateral walls 111 of holding tank 11 are followed to the both ends butt of first direction of back shaft 31, then the contact group correspond with the terminal group butt on the holding tank 11, and then realized directly driving the electricity of limit wheel 32 and power and be connected. That is, the electrical connection/disconnection between the direct-drive edge wheel 32 and the power supply is realized along with the mechanical disassembly process of the edge wheel assembly 3, and the body part does not need to be disassembled, and the connection and disassembly and assembly of the wires are also not needed, so that the process operation of installing or replacing the edge wheel is more convenient, and the risk of damaging the internal structure of the body part does not exist.

Preferably, as shown in fig. 3, the terminal 2 includes a connection plate 21 and an abutment plate 22. The connecting plate 21 is connected to the first sidewall 111 and electrically connected to the positive electrode or the negative electrode of the power supply, the abutting plate 22 is connected to the connecting plate 21 and forms a V shape, the opening side of the V shape is away from the opening side of the accommodating groove 11, and the abutting plate 22 elastically abuts against the contact 33 at the end of the supporting shaft 31. On one hand, the V-shaped structure enables the terminal 2 to have a certain elastic deformation capability, and in the process of mounting the edge wheel assembly 3 in the accommodating groove 11, the abutting plates 22 on the two first side plates are respectively abutted against the end surfaces of the two ends of the supporting shaft 31, so that the supporting shaft 31 can be clamped, the position stability of the supporting shaft 31 is ensured, and the terminal 2 is further ensured to be in good and stable contact with the contact 33; on the other hand, the opening side of "V" style of calligraphy deviates from the opening side setting of holding tank 11 for the process that the installation of limit wheel subassembly 3 got into holding tank 11 is more smooth and easy. In this embodiment, the terminal 2 is made of a copper material having good toughness and good electrical conductivity.

Preferably, as shown in fig. 1 to 3, the depth direction of the receiving groove 11 is parallel to the second direction (i.e. Z direction), the receiving groove 11 includes a transverse groove portion 112 and two longitudinal groove portions 113 respectively located at two ends of the transverse groove portion 112, i.e. the transverse groove portion 112 and the two longitudinal groove portions 113 form an "i" shape, the supporting shaft 31 penetrates through the transverse groove portion 112, each of the direct-drive side wheels 32 is correspondingly located in one of the longitudinal groove portions 113, and the transverse groove portion 112 can position the supporting shaft 31 along the third direction. Two first side walls 111 of the receiving groove 11 position the supporting shaft 31 in a first direction (i.e., X direction), and the transverse groove 112 positions the supporting shaft 31 in a third direction (i.e., Y direction), so as to ensure the positional stability of the entire edge wheel assembly 3 in the horizontal plane, and further ensure that the contact 33 at the end of the supporting shaft 31 can be accurately and stably connected to the terminal 2. Specifically, the dimension of the vertical groove portion 113 in the third direction is equal to the dimension of the support shaft 31 in the third direction, so that the support shaft 31 can be positioned.

Preferably, in this embodiment, permanent magnets are respectively disposed on the side wheel assembly 3 and the housing 1, and the permanent magnets on the side wheel assembly 3 and the permanent magnets on the housing 1 are attracted to fix the side wheel assembly 3 in the accommodating groove 11. The connection of the side wheel assembly 3 and the shell 1 is realized through the matching of the permanent magnets, so that the installation or the replacement of the side wheel assembly 3 is more convenient.

Specifically, as shown in fig. 3, the side wheel assembly 3 includes a sealing plate 34, the sealing plate 34 is fixedly connected to the support shaft 31, a plurality of first permanent magnets 41 are embedded in the sealing plate 34 along a second direction (i.e., Z direction) toward one side of the housing 1, a plurality of second permanent magnets 42 are embedded in the bottom of the housing 1, and each first permanent magnet 41 can correspondingly adsorb one second permanent magnet 42. The mutual attraction of the first permanent magnet 41 on the closing plate 34 and the second permanent magnet 42 on the housing 1 not only achieves the positioning of the supporting shaft 31 in the second direction, but also achieves the complete fixation of the supporting shaft 31 in cooperation with the receiving groove 11. In this embodiment, the sealing plate 34 is a rectangular plate, four corners of the rectangular plate are respectively provided with one first permanent magnet 41, the housing 1 is also correspondingly provided with four second permanent magnets 42, and the four groups of permanent magnets cooperate to make the fixing structure of the edge wheel assembly 3 firm and reliable.

Preferably, as shown in fig. 3, the bottom of the housing 1 is provided with a sunken groove 12, the second permanent magnet 42 is embedded in the bottom of the sunken groove 12, and the sealing plate 34 is accommodated in the sunken groove 12, so that the bottom of the sweeping robot has a more flat and beautiful appearance. Further, sink 12 is a rectangular slot to allow sink 12 to position closure plate 34 in the first and third directions. Through setting up heavy groove 12, can provide the location foundation for the installation of limit wheel subassembly 3, make limit wheel subassembly 3 installation more convenient, and the accurate affirmation in position that can further guarantee whole limit wheel subassembly 3 installation of mutually supporting of heavy groove 12 and shrouding 34 to guarantee to directly drive the reliability that limit wheel 32 and power electricity are connected. Specifically, in this embodiment, the thickness of closure plate 34 may be slightly less than the depth of countersink 12.

Example two

The present embodiment provides a sweeping robot, the inventive concept and the general structure of which are the same as those of the first embodiment, and the same parts are not described herein again, but the differences mainly lie in the connection structure between the side wheel assembly 3 and the body part, specifically as follows:

as shown in fig. 4, one of the sidewheel assembly 3 and the housing 1 is provided with a permanent magnet, and the other is provided with a ferromagnetic member, and the permanent magnet attracts the ferromagnetic member to fix the sidewheel assembly 3 in the accommodation groove 11. The connection between the side wheel assembly 3 and the shell 1 is realized through the matching of the permanent magnet and the ferromagnetic part, so that the installation or the replacement of the side wheel assembly 3 is more convenient.

Specifically, the side wheel assembly 3 includes a sealing plate 34, the sealing plate 34 is fixedly connected to the supporting shaft 31, a plurality of third permanent magnets 43 are fixed to the bottom of the housing 1, the sealing plate 34 is a ferromagnetic member, and the third permanent magnets 43 can attract the sealing plate 34. The third permanent magnet 43 attracts the sealing plate 34 not only to position the supporting shaft 31 in the second direction, but also to cooperate with the receiving groove 11 to completely fix the supporting shaft 31. Of course, in other embodiments, the sealing plate 34 may be a permanent magnet, and the housing 1 is provided with a ferromagnetic member, which may be optionally provided as required. In this embodiment, the sealing plate 34 is a rectangular plate, and one third permanent magnet 43 is disposed on the housing 1 at positions corresponding to four corners of the rectangular plate, and in other embodiments, the number and distribution positions of the third permanent magnets 43 are not specifically limited.

Preferably, as shown in fig. 4, the bottom of the housing 1 is further provided with a sunken groove 12, a sealing plate 34 is connected to a side of the support shaft 31 facing away from the housing 1 in the second direction, the sealing plate 34 can be accommodated in the sunken groove 12, and the sunken groove 12 can position the sealing plate 34 in the first direction and the third direction. Through setting up heavy groove 12, can provide the location foundation for the installation of limit wheel subassembly 3, make limit wheel subassembly 3 installation more convenient, and the cooperation of heavy groove 12 and shrouding 34 can further guarantee that the position of whole limit wheel subassembly 3 installation is accurate definite to guarantee to directly drive the reliability that limit wheel 32 and power electricity are connected.

In this embodiment, the third permanent magnet 43 is disposed on the bottom of the sinking groove 12, the first sealing plate 34 is provided with a plurality of positioning grooves 341 on one side facing the housing 1, and each third permanent magnet 43 can be inserted into one positioning groove 341. Through the matching of the sinking groove 12 and the sealing plate 34 and the inserting matching of the positioning groove 341 and the third permanent magnet 43, the relative position of the whole edge wheel assembly 3 and the body part is more accurate, and the connection reliability of the contact 33 on the edge wheel assembly 3 and the terminal 2 on the shell 1 is further ensured.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and for those skilled in the art, there are variations on the specific embodiments and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A sweeping robot is characterized by comprising:

the body part comprises a shell (1) and a power supply arranged in the shell (1), wherein an accommodating groove (11) is formed in the bottom of the shell (1), two first side walls (111) which are oppositely arranged along a first direction of the accommodating groove (11) are respectively provided with a terminal group, and each terminal group comprises two terminals (2) which are respectively electrically connected with the positive electrode and the negative electrode of the power supply;

the edge wheel assembly (3) is detachably mounted in the accommodating groove (11), the edge wheel assembly (3) comprises a supporting shaft (31) and two direct-drive edge wheels (32) which are connected to two ends of the supporting shaft (31) respectively, contact groups are arranged at two ends of the supporting shaft (31) respectively, each contact group comprises two contacts (33) which are respectively corresponding to the positive and negative electrodes of the direct-drive edge wheels (32) and are electrically connected, and two ends of the supporting shaft (31) are respectively abutted to the first side wall (111) to enable the two groups of terminal groups to correspond to the two groups of contact groups and are electrically connected.

2. A sweeping robot according to claim 1, characterized in that said direct drive edge wheel (32) comprises:

the stator assembly is fixedly connected with the supporting shaft (31), and the positive pole and the negative pole of the stator assembly extend into the supporting shaft (31) through wires and are respectively and electrically connected with the corresponding contact groups;

3. The sweeping robot according to claim 1, wherein permanent magnets are respectively arranged on the side wheel assembly (3) and the housing (1), and the permanent magnets on the side wheel assembly (3) and the permanent magnets on the housing (1) are attracted to fix the side wheel assembly (3) in the accommodating groove (11).

4. The sweeping robot according to claim 1, wherein the side wheel assembly (3) comprises a sealing plate (34), the sealing plate (34) is fixedly connected with the supporting shaft (31), a plurality of first permanent magnets (41) are embedded in the sealing plate (34) along a second direction towards one side of the housing (1), a plurality of second permanent magnets (42) are embedded in the bottom of the housing (1), each first permanent magnet (41) can correspondingly adsorb one second permanent magnet (42), and the second direction is perpendicular to the first direction.

5. A sweeping robot according to claim 4, wherein the bottom of the housing (1) is provided with a sunken groove (12), the second permanent magnet (42) is embedded in the bottom of the sunken groove (12), the sealing plate (34) is accommodated in the sunken groove (12), and the sunken groove (12) can position the sealing plate (34) along a first direction and a third direction, and the third direction is perpendicular to the first direction and the second direction.

6. A sweeping robot according to claim 1, characterized in that one of the side wheel assembly (3) and the housing (1) is provided with a permanent magnet, and the other is provided with a ferromagnetic member, and the permanent magnet attracts the ferromagnetic member to fix the side wheel assembly (3) in the accommodating groove (11).

7. The sweeping robot according to claim 6, wherein the side wheel assembly (3) comprises a sealing plate (34), the sealing plate (34) is fixedly connected with the supporting shaft (31), a plurality of third permanent magnets (43) are fixed at the bottom of the housing (1), the sealing plate (34) is a ferromagnetic member, and the third permanent magnets (43) can adsorb the sealing plate (34).

8. The sweeping robot according to claim 7, wherein the bottom of the housing (1) is further provided with a sunken groove (12), the sealing plate (34) is connected to a side of the support shaft (31) facing away from the housing (1) along a second direction, the sealing plate (34) can be accommodated in the sunken groove (12), the sunken groove (12) can position the sealing plate (34) along the first direction and a third direction, and the third direction is perpendicular to the second direction and the first direction; or

One side of the sealing plate (34) facing the shell (1) is provided with a plurality of positioning grooves (341), and each third permanent magnet (43) can be correspondingly inserted into one positioning groove (341).

9. A sweeping robot according to any one of claims 1-8, wherein the accommodating groove (11) comprises a transverse groove part (112) and two longitudinal groove parts (113) respectively positioned at two ends of the transverse groove part (112), the transverse groove part (112) can position the supporting shaft (31) along the third direction, and each direct-drive side wheel (32) is correspondingly positioned in one longitudinal groove part (113).

10. A sweeping robot according to any one of claims 1-8, characterized in that said terminal (2) comprises:

a connection plate (21) connected to the first side wall (111) and electrically connected to a positive electrode or a negative electrode of a power supply;

and an abutting plate (22) which is connected with the connecting plate (21) and forms a V shape, the opening side of the V shape deviates from the opening side of the accommodating groove (11), and the abutting plate (22) elastically abuts against the contact (33) at the end part of the supporting shaft (31).