CN113303716A

CN113303716A - Floor sweeping robot

Info

Publication number: CN113303716A
Application number: CN202110486138.7A
Authority: CN
Inventors: 郑小群
Original assignee: Dalingshan Branch Of Dongguan Xinsu Technology Co ltd
Current assignee: Dalingshan Branch Of Dongguan Xinsu Technology Co ltd
Priority date: 2019-12-10
Filing date: 2020-03-03
Publication date: 2021-08-27
Also published as: CN110881906A; CN113303716A8

Abstract

The invention discloses a sweeping robot, which is charged by contacting with charging equipment, and comprises: the power connection contact assembly comprises a shell and a conductive piece, wherein the shell is provided with a cavity, a plurality of vertical hanging plates are arranged at the bottom of the cavity, the hanging plates are connected end to enclose an installation cavity, the shell is provided with a hollow opening at the bottom of the installation cavity, and the top of at least one hanging plate is provided with a convex block; the conductive piece is provided with a clamping groove, hooks are arranged on two sides of the conductive piece, the conductive piece is embedded in the installation cavity, the top of the conductive piece is abutted against the bottom of the convex block, and the hooks are buckled on the top of the hanging plate; the mobile chassis is provided with a supporting part and a mounting groove, the supporting part is used for supporting the shell and clamping the shell in the mobile chassis, and the conductive piece penetrates through the mounting groove and then is abutted to the charging equipment for charging. The invention is suitable for the field of sweeping robots.

Description

Floor sweeping robot

Technical Field

The invention belongs to the technical field of electric appliances, and particularly relates to a sweeping robot.

Background

At present, sweeping robots are all provided with automatic charging equipment. Charging equipment is connected with supply socket electricity through the charging wire of taking the plug, and directly adopts the conducting strip electrically conductive in the charging equipment, and this conducting strip part protrusion charging equipment, when the robot that sweeps floor needs to charge, it walks to charging equipment, what the robot that sweeps floor connects electrical contact subassembly and pushes down the bellied conducting strip of charging equipment, and the electric quantity of power passes through charging wire, charging equipment mainboard, power transmission contact subassembly in proper order, connects electrical contact subassembly and sweeps floor the robot to the realization charges. However, in order to ensure that the conducting strip and the sweeping robot are effectively charged, the protruding volume of the conducting strip in the charging equipment is generally directly increased, and the large-volume metal conducting strip is easy to leak electricity and short circuit in humid air, so that great potential use hazards exist. In addition, when the floor sweeping robot and the charging equipment are pressed down for too many times, the power connection contact assembly of the floor sweeping robot is easy to loosen and even drop, so that poor contact causes charging failure during charging.

Disclosure of Invention

The invention aims to solve the technical problems that the charging equipment is easy to leak electricity due to large exposed volume of a conducting strip and an electric contact assembly of a sweeping robot is easy to loosen; the power connection contact assembly of the sweeping robot is fixed on the movable chassis in a clamping mode, looseness caused by the adoption of bolts or gluing is avoided, and the stability of the power connection contact assembly is greatly improved.

In order to solve the problems, the invention is realized according to the following technical scheme:

the invention provides a sweeping robot, which is charged by contacting with a charging device, and comprises:

the power connection contact assembly comprises a shell and a conductive piece, wherein the shell is provided with a cavity, a plurality of vertical hanging plates are arranged at the bottom of the cavity, the hanging plates are connected end to enclose an installation cavity, the shell is provided with a hollow opening at the bottom of the installation cavity, and the top of at least one hanging plate is provided with a convex block; the conductive piece is provided with a clamping groove, hooks are arranged on two sides of the conductive piece, the conductive piece is embedded in the installation cavity, the top of the conductive piece is abutted against the bottom of the convex block, and the hooks are buckled on the top of the hanging plate;

the mobile chassis is provided with a supporting part and a mounting groove, the supporting part is used for supporting the shell and clamping the shell in the mobile chassis, and the conductive piece penetrates through the mounting groove and then is abutted to the charging equipment for charging.

Further, the lug is arranged on the side wall of the mounting cavity, the lug comprises a horizontal end face and an inclined end face which is inclined downwards, and the horizontal end face is arranged on the lower portion of the inclined end face.

Furthermore, the included angle between the inclined end face and the horizontal end face of the convex block is 60-75 degrees.

Furthermore, the supporting part is formed by connecting a plurality of thin plate pieces end to end, and the top of the shell is provided with a horizontal outward enclosing barrier which is abutted against the tops of the thin plate pieces.

Furthermore, a notch is formed in the top of the front face and/or the back face of the shell, and a propping block is arranged on the supporting portion and clamped at the top of the notch.

Compared with the prior art, the invention has the beneficial effects that:

according to the sweeping robot, the installation cavity is formed in the power connection contact assembly, so that the conductive piece can be embedded in the installation cavity, the top of the conductive piece abuts against the bottom of the convex block, the hook is buckled on the top of the hanging plate, and the whole structure enables the connection structure to be more stable and the whole sweeping robot to be easily separated when charging connection is carried out on charging equipment. In addition, remove supporting part and the mounting groove on chassis, wherein the supporting part is used for supporting the casing and locates the casing card in removing the chassis, and conductive piece passes to contradict with the battery charging outfit after the mounting groove and charges. The integral charging connection structure is more reliable while ensuring safety, is not easy to deform due to impact and is not easy to accidentally break away in the charging process.

Drawings

Embodiments of the invention are described in further detail below with reference to the attached drawing figures, wherein:

fig. 1 is an exploded view of the charging device of the present invention;

fig. 2 is an overall structural schematic view of the power transmitting contact assembly of the present invention;

FIG. 3 is a perspective view of one aspect of the insulator of the present invention;

FIG. 4 is a schematic perspective view of another perspective of the insulator of the present invention;

FIG. 5 is a schematic view in half section of the insulator of the present invention;

fig. 6 is a schematic perspective view of a conductive sheet of the present invention;

FIG. 7 is a schematic perspective view of the wobble plate of the present invention;

FIG. 8 is a schematic structural view of the mobile chassis of the present invention;

figure 9 is a schematic view of the overall construction of the electrical contact assembly of the present invention;

FIG. 10 is a schematic structural view of the housing of the present invention;

FIG. 11 is a top view of the housing of the present invention;

FIG. 12 is a sectional view of portion A-A of FIG. 11;

fig. 13 is a schematic view of the conductive member of the present invention;

fig. 14 is a schematic structural diagram of the connection between the charging device and the sweeping robot;

in the figure:

1-a power delivery contact assembly;

11-an insulator; 111-a bonding portion; 1111-flaring; 1112-mounting holes;

112-a protrusion; 1121-vertical slots; 1122-horizontal groove; 1123-grooves; 1124-clamping protrusions;

12-a conductive sheet; 121-a first vertical section; 1211-cartridge; 122-horizontal segment; 123-a second vertical section;

13-a wobble plate; 131-a connecting segment; 132-a stationary section; 133-a bowed section;

2-a base; 21-a slot;

3-bottom cover;

4-electrical contact assembly;

41-a housing; 411-volume; 412-hanging the board; 413-a mounting cavity; 414-an opening; 415-a bump; 416-fencing;

417-gap;

42-a conductive member; 421-a card slot; 422-hook;

5-moving the chassis;

a support part 51; 511-a top-stop block; 52-mounting groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 7, it is a preferable configuration of the charging device according to the present invention. The charging device comprises two power transmission contact assemblies 1, a base 2 and a bottom cover 3, wherein, as is known in the art, the number of the power transmission contact assemblies 1 is generally two, a complete current loop is formed, the base 2 is provided with two slotted holes 21, the two slotted holes 21 are preferably arranged symmetrically and at intervals, the two power transmission contact assemblies 1 are respectively embedded in the two slotted holes 21, parts of the two power transmission contact assemblies 1 are exposed out of the outer surface of the base 2, and the bottom cover 3 covers the base 2.

Referring to fig. 2, each power transmitting contact assembly 1 includes an insulating member 11, a conductive plate 12, and a swinging plate 13, wherein the insulating member 11 is made of an electrically insulating material, preferably a hard plastic; the conducting plate 12 is made of conducting metal, preferably a copper sheet or a stainless steel sheet; the swinging plate 13 is made of metal with high yield strength, and is preferably made of stainless steel. The conducting strip 12 is wrapped on the top of the insulating piece 11 and is in contact with an electric contact assembly of the sweeping robot for charging, and a charging power supply of the charging equipment is connected with the conducting strip 12 through a wire to flow charging current to the sweeping robot; the swinging piece 13 is fixedly connected with the bottom of the insulating part 11, and the insulating part 11 can swing up and down around one end of the swinging piece 13 far away from the insulating part 11 as a fulcrum.

Referring to fig. 3 to 5, the insulating member 11 includes a fitting portion 111 and a protrusion portion 112, the protrusion portion 112 protrudes from the outer surface of the base 2 through the slot 21, the protrusion portion 112 is disposed on the upper surface of the fitting portion 111 and is integrally formed with the fitting portion 111, and the fitting portion 111 is larger than the slot 21 so that the fitting portion 111 abuts against the edge of the slot 21. Symmetrical vertical grooves 1121 are formed in both sides of the protruding portion 112, a horizontal groove 1122 is formed in the top of the protruding portion 112, and both ends of the horizontal groove 1122 are communicated with the vertical grooves 1121 in both sides, so that an inverted U-shaped groove is formed in the outer surface of the protruding portion 112. Furthermore, the vertical slots 1121 at two sides of the protrusion 112 penetrate through the bottom of the attaching portion 111, and the attaching portion 111 is provided with two hollow flaring 1111, and the two flaring 1111 are respectively communicated with the two vertical slots 1121 to increase the space of the vertical slots 1121 at the position of the attaching portion 111. A groove 1123 is formed in the bottom of one of the vertical grooves 1121, a clamping protrusion 1124 is arranged on the groove 1123, the longitudinal section of the clamping protrusion 1124 is a right triangle, and the horizontal end face of the clamping protrusion 1124 is located below the inclined end face.

Referring to fig. 6, the conductive plate 12 includes a first vertical section 121, a horizontal section 122, and a second vertical section 123 connected in sequence, and the first vertical section 121 and the horizontal section 122, and the horizontal section 122 and the second vertical section 123 are preferably at right angles, and the first vertical section 121 and the second vertical section 123 are located on the same side of the horizontal section 122. The first vertical section 121 is provided with a latch 1211, the latch 1211 is formed by cutting and bending the first vertical section 121, and the latch 1211 is bent to one side of the second vertical section 123. The installation process of the conducting strip 12 and the insulator 11 is as follows: the first vertical section 121 vertically slides along a vertical groove 1121 provided with a clamping protrusion 1124, the second vertical section 123 vertically slides along another vertical groove 1121, and when the fixture 1211 abuts against an inclined end surface of the clamping protrusion 1124, the fixture 1211 elastically deforms towards one side of the first vertical section 121; after sliding over the inclined end surface of the engaging protrusion 1124, the latch 1211 elastically deforms and recovers, such that the latch 1211 abuts against the horizontal end surface of the engaging protrusion 1124, and the conductive strip 12 is difficult to vertically pull out of the first vertical slot 1121, and at this time, the horizontal segment 122 is engaged in the horizontal slot 1122, such that the conductive strip 12 is engaged with the vertical slot 1121 and the horizontal slot 1122.

Referring to fig. 4, the fitting portion 111 is opened with a vertical mounting hole 1112, and the mounting hole 1112 is inserted into the protrusion portion 112 to increase the depth of the mounting hole 1112.

Referring to fig. 7, the swing piece 13 includes a connection section 131, a fixing section 132, and a bowed section 133, one end of the bowed section 133 is connected with the connection section 131, the other end of the bowed section 133 is connected with the fixing section 132, and the fixing section 132 is far away from the attachment portion 111. The connecting section 131 is fixedly connected to the attaching portion 111 by a fastener. Preferably, the fastening member is a bolt, the connecting section 131 is provided with a through hole, the mounting hole 1112 is provided with an internal thread, the bolt is threaded into the through hole and then is in threaded connection with the mounting hole 1112, so that the swinging piece 13 is fixedly connected with the attaching portion 111, and the insulating member 11 swings up and down around the fixing section 132 as a fulcrum after being pressed.

Preferably, referring to fig. 1, the base 2 is further provided with two mounting posts, and the fixing sections 132 of the two swinging pieces 13 are both in threaded connection with the mounting posts.

As shown in fig. 8 to 13, which are preferred structures of the sweeping robot according to the present invention, the sweeping robot includes two power transmission contact assemblies 4 and two moving chassis 5, wherein the power transmission contact assemblies 4 are also provided with two power transmission contact assemblies 1 according to the number of the charging devices, so as to form a complete current loop. The moving chassis 5 has two mounting grooves 52, the mounting grooves 52 are preferably symmetrically spaced apart, a support portion 51 is provided near the mounting grooves 52, and the support portion 51 is configured to support the power transmission contact assembly 1 and to clamp the power transmission contact assembly 1 inside the moving chassis 5, so that the power transmission contact assembly 1 is fastened to the moving chassis 5 without loosening.

Referring to fig. 9, each electrical contact assembly 4 comprises a housing 41 and a conductive member 42, wherein the housing 41 is preferably made of an insulating material such as plastic, and the conductive member 42 is preferably made of stainless steel or copper. The conductive member 42 is embedded in the housing 41 to prevent the conductive member 42 from loosening.

Referring to fig. 10, a cavity 411 is concavely provided at the top of the housing 41, the cavity 411 is preferably a square cavity, a plurality of vertical hanging plates 412 are provided at the bottom of the cavity 411, and each hanging plate 412 is connected end to define a mounting cavity 413, the mounting cavity 413 is preferably a square cavity, the housing 41 is provided with a hollow opening 414 at the bottom of the mounting cavity 413, the opening 414 is preferably rectangular, and the conductive member 42 is embedded in the mounting cavity 413 and is in contact conduction with a conductive sheet of the charging device. Preferably, the edge of the opening 414 coincides with the edge of the sidewall of the mounting cavity 413 to maximize the area of the opening 414, ensuring that the conductive member 42 is in sufficient contact with the charging contact of the charging device. The top of at least one hanging plate 412 is provided with a drawing lug 415.

Referring to fig. 10 to 12, the number of the bumps 415 is two, the two bumps 415 are oppositely arranged at the top of the hanging plate 412 at intervals, the two bumps 415 are both arranged inside the mounting cavity 413, the bumps 415 include a horizontal end surface and an inclined end surface inclined downward, the cross-sectional view of the bumps 415 is a right triangle, the horizontal end surface of the bumps is arranged at the lower part of the inclined end surface, the included angle α between the horizontal end surface and the inclined end surface is 60 to 75 °, preferably 75 °, the larger the inclination is, the easier the conductive member 42 is embedded in the mounting cavity 413 from the top of the housing 41, and the top of the conductive member 42 abuts against the horizontal end surface of the bumps 415 to limit the upward movement of the conductive member 42.

Referring to fig. 10, the top of the front and/or back of the housing 41 is provided with a notch 417, and preferably, the front and back of the housing 41 are both provided with a notch 417 having the same axis for being fixed in the moving chassis 5 of the sweeping robot. The top of the housing 41 is provided with a horizontally outward enclosure 416, which enclosure 416 serves to limit the position of the electrical contact assembly 4 on the moving chassis 5 of the sweeping robot. Each hanging plate 412 and the side wall of the containing cavity 411 are connected with reinforcing ribs, and the reinforcing ribs are used for improving the hardness of the hanging plates 412 and preventing the hanging plates 412 from being bent.

Referring to fig. 13, a slot 421 is recessed at the top of the conductive member 42, the slot 421 is preferably a square slot, and two symmetrical hooks 422 are disposed on two sides of the conductive member 42. The conductive piece 42 is provided with a vertical upward conductive piece at one side of the hook 422, and the conductive piece is connected with a storage battery inside the sweeping robot so as to transmit the charging power to the storage battery to complete the charging action. In a preferred embodiment of the present invention, the conductive component 42 is made of a rectangular stainless steel sheet or copper sheet, rectangular notches 417 with the same area are cut at four angles of the stainless steel sheet or copper sheet, then the edge of the stainless steel sheet or copper sheet is bent around the edge line of the rectangular notches 417 in the same direction to form a rectangular component with a square groove, and symmetrical hooks 422 are welded on the top of two sides of the conductive component 42.

The process of embedding the conductive member 42 in the mounting cavity 413 is as follows: aligning the two sides of the conductive member 42 provided with the hook 422 with the two side hanging plates 412 without abutting parts of the installation cavity 413, vertically inserting the conductive member 42 into the installation cavity 413, and when the two sides of the conductive member 42 without the hook 422 slide to the inclined end surfaces of the abutting parts, abutting against each other and extruding to generate rigid bending, so that the conductive member 42 is continuously and vertically inserted into the installation cavity 413; when the two sides of the conductive member 42 without the hook 422 slide over the inclined end surface of the abutting portion, the two sides of the conductive member 42 without the hook 422 are rigidly restored to the vertical state and abut against the horizontal end surface of the abutting portion to limit the upward movement of the conductive member 42, and at this time, the hook 422 of the conductive member 42 is buckled on the top of the hanging plate 412 to limit the further downward movement of the conductive member 42, so that the conductive member 42 is embedded in the housing 41 and then is stabilized, and the conductive member 42 is prevented from loosening.

Referring to fig. 8, the supporting portion 51 of the moving chassis 5 is formed by connecting a plurality of thin plates end to end, and the enclosure 416 of the housing 41 abuts against the tops of the plurality of thin plates to limit the downward movement of the electrical contact assembly 4 in the moving chassis 5. The two opposite thin plate parts are also provided with abutting blocks 511, the abutting blocks 511 comprise horizontal end faces and inclined end faces inclined downwards, the cross sections of the abutting blocks are right-angled triangles, the horizontal end faces are arranged at the lower parts of the inclined end faces, and the structure of the abutting blocks is the same as that of the convex blocks 415. The two abutting blocks 511 are clamped at the top of the two notches 417 of the housing 41 to limit the electrical contact assembly 4 from moving upwards in the moving chassis 5, so that the electrical contact assembly 4 is clamped in the moving chassis 5, and the conductive member 42 passes through the mounting groove 52 and is disposed on the outer surface of the moving chassis 5, so that the electrical contact assembly 4 and the power transmission contact assembly 1 of the charging device are abutted for charging.

The charging equipment and the sweeping robot of the invention have the following charging finishing processes: referring to fig. 14, the moving chassis 5 of the sweeping robot is designed to match with the shape of the charging device, and in the embodiment, the moving chassis is designed to be inclined so that the power receiving contact assembly 4 and the power transmitting contact assembly 1 are better contacted and conducted. When the sweeping robot is in contact charging with the charging equipment, the two conductive pieces 42 respectively abut against the two conductive pieces 12 to enable the insulating piece 11 to swing downwards under pressure, the bent segment 133 of the swinging piece 13 abuts against the bottom cover 3 to limit the insulating piece 11 to further press downwards, so that the power transmission joint assembly 1 is enabled to be stationary, and the charging current of the charging equipment sequentially flows through the conductive pieces 12, the conductive pieces 42 and the storage battery of the sweeping robot to complete the charging process; after the sweeping robot is charged, the two conductive pieces 42 slowly leave along with the sweeping robot, so that the swinging piece 13 is subjected to rigid resilience after no downward force is applied, the insulating piece 11 is driven to swing upwards, and the uncharged state is recovered.

Other structures of the charging device and the sweeping robot in the embodiment are shown in the prior art.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a robot of sweeping floor, its and battery charging outfit contact charge which characterized in that includes:

2. The sweeping robot of claim 1, wherein: the lug sets up the lateral wall at the installation cavity, the lug includes horizontal terminal surface and the downward slope terminal surface of slope, horizontal terminal surface sets up the lower part at the slope terminal surface.

3. The sweeping robot of claim 7, wherein: the included angle between the inclined end face and the horizontal end face of the lug is 60-75 degrees.

4. The sweeping robot of claim 1, wherein: the supporting part is formed by connecting a plurality of thin plate pieces end to end, the top of the shell is provided with a horizontal outward enclosure which is abutted against the tops of the thin plate pieces.

5. The sweeping robot of claim 1, wherein: the top of the front and/or the back of the shell is provided with a notch, the supporting part is provided with an abutting block, and the abutting block is clamped at the top of the notch.