CN108903848B

CN108903848B - Protection component and robot of sweeping floor

Info

Publication number: CN108903848B
Application number: CN201810988218.0A
Authority: CN
Inventors: 周平
Original assignee: Shenzhen Water World Co Ltd
Current assignee: Shenzhen Infinite Power Development Co., Ltd.
Priority date: 2018-08-28
Filing date: 2018-08-28
Publication date: 2021-11-30
Anticipated expiration: 2038-08-28
Also published as: CN108903848A

Abstract

The invention discloses a protective assembly and a sweeping robot, wherein the protective assembly comprises a bumper lens and a bumper rod, the bumper lens is provided with a clamping buckle, the bumper is provided with a clamping interface matched with the clamping buckle, and the bumper lens is fixedly connected with the bumper through the matching of the clamping buckle and the clamping interface. According to the protective assembly and the sweeping robot, the clamping buckle is arranged on the bumper lens, the clamping interface is arranged on the bumper, and the bumper lens is fixedly installed on the bumper through the matching of the clamping buckle and the clamping interface, so that the protective assembly and the sweeping robot are firm in installation and convenient to assemble. And at assembly buffer stop's in-process, can be in advance with bumper lens fixed mounting to the bumper on, avoid bumper lens to take place to swing when the installation screw and influence assembly efficiency, the assembly of being more convenient for.

Description

Protection component and robot of sweeping floor

Technical Field

The invention relates to the technical field of robots, in particular to a protection assembly and a sweeping robot.

Background

With the continuous progress of science and technology, more and more intelligent products are integrated into the daily life of people and become indispensable articles in the life of people, such as sweeping robots. The sweeping robot is more and more popular among people as a device capable of replacing manpower to clean the living environment. The front end of the sweeping robot is generally provided with an anti-collision device, and the infrared signal transceiver is also arranged in the anti-collision device. In order to protect the infrared signal transceiver in the anti-collision device, a protective lens is generally arranged outside the anti-collision device, and the protective lens not only enables the infrared signal transceiver to smoothly transmit and receive signals, but also prevents surrounding objects from damaging the infrared signal transceiver. However, the protection lens of the general anti-collision device is not firmly installed, is easy to loosen and even fall off when colliding with surrounding objects, and cannot continuously protect the infrared signal transceiver.

Disclosure of Invention

The invention mainly aims to provide a protective assembly which is stable in installation and convenient to assemble and a sweeping robot.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the protective assembly comprises a bumper lens and a bumper, wherein the bumper lens is provided with a clamping buckle, and the bumper is provided with a clamping interface matched with the clamping buckle.

Further, the joint is buckled including straight portion and buckling parts, and straight portion one end is connected with bumper lens internal surface is perpendicular, the buckling parts with straight portion other end is connected perpendicularly in order to form hook-like, and the buckling parts passes joint interface back joint on the bumper.

Furthermore, the bumper is provided with an outer mounting groove matched with the bumper lens, and the bumper lens is arranged in the outer mounting groove.

Further, the outer surface of the bumper lens is flush with the surface of the bumper.

Furthermore, the joint buckles are arranged on the edges of the upper side and the lower side of the bumper lens at intervals, and correspondingly, the joint interfaces are arranged on the edges of the lower side of the outer mounting groove at intervals.

Further, the outer side surface of the bumper lens is provided with a protective film.

Furthermore, the automobile bumper further comprises a fixing frame, wherein the fixing frame is arranged on the inner side of the bumper and fixedly connected with the bumper lens through screws.

Furthermore, an internal thread column is arranged on the bumper lens, a connecting hole is arranged on the fixing frame, and a screw penetrates through the connecting hole to be matched with the internal thread column so as to fixedly connect the bumper lens and the fixing frame.

The invention further provides a sweeping robot which comprises the protection assembly.

According to the protective assembly and the sweeping robot, the clamping buckle is arranged on the bumper lens, the clamping interface is arranged on the bumper, and the bumper lens is fixedly installed on the bumper through the matching of the clamping buckle and the clamping interface, so that the protective assembly and the sweeping robot are firm in installation and convenient to assemble. And at assembly buffer stop's in-process, can be in advance with bumper lens fixed mounting to the bumper on, avoid bumper lens to take place to swing when the installation screw and influence assembly efficiency, the assembly of being more convenient for.

Drawings

FIG. 1 is an exploded view of a bump guard according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a bumper according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a bumper according to an embodiment of the present invention;

FIG. 4 is an exploded view of a shield assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of a bumper lens according to an embodiment of the present invention;

FIG. 6 is an enlarged view of the structure of portion A in FIG. 5;

fig. 7 is an exploded view of a signal transceiver module according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a PCB board according to an embodiment of the invention;

FIG. 9 is a schematic structural diagram of a fixing frame according to an embodiment of the present invention;

FIG. 10 is an enlarged view of the structure of portion B of FIG. 9;

FIG. 11 is a schematic structural view of a fixing frame according to an embodiment of the present invention;

FIG. 12 is an enlarged view of the structure of portion C of FIG. 11;

FIG. 13 is an enlarged view of the structure of portion D of FIG. 11;

FIG. 14 is a schematic structural view of a fixing frame according to another embodiment of the present invention;

fig. 15 is an enlarged view of a structure of a portion E in fig. 14.

In the figure: 1. a bumper; 11. a through hole; 12. a base plate; 13. an upper side plate; 14. a lower side plate; 15. An inner mounting groove; 16. an outer mounting groove; 17. a support pillar; 171. an upper support column; 172. a lower support pillar; 18. fixing grooves; 19. a card interface; 2. a bumper lens; 21. an internally threaded post; 22. a clamping buckle; 221. A horizontal portion; 222. a fastening part; 223. chamfering; 3. a PCB board; 31. a circular hole; 32. mounting holes; 33. a signal transmitting head; 34. a connection terminal; 35. a signal channel; 4. a fixed mount; 41. connecting holes; 42. a boss; 43. a groove; 431. a first gap; 432. a first through hole; 433. a side groove; 434. a second gap; 435. a second through hole; 44. buckling; 441. a guide portion; 442. a straight portion; 443. an abutting portion; 45. a clamping part; 46. a square hole; 47. a snap ring; 471. a top abutting section; 472. a connecting section; 5. an anti-collision strip; 6. and a signal receiving terminal.

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

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the anti-collision device according to the embodiment of the invention includes a protection assembly and a signal transceiver assembly, the protection assembly includes a bumper 1 and a bumper lens 2, the signal transceiver assembly includes a PCB 3 and a fixing frame 4, the PCB 3 is provided with a signal transceiver for transmitting and receiving signals, the bumper lens 2, the PCB 3 and the fixing frame 4 are stacked on the bumper 1, and the fixing frame 4 is fixedly connected with a protection plate to clamp the PCB 3 on the bumper 1.

According to the anti-collision device, the bumper lens 2, the PCB 3 and the fixing frame 4 are arranged on the bumper 1 in a laminated manner, so that the overall thickness of the anti-collision device is reduced, and the structure is more compact; and fixed connection through bumper lens 2 and mount 4 is in order to press from both sides tight PCB board 3, and the installation of PCB board 3 is more firm, and PCB board 3 is difficult not hard up when the collision takes place, keeps good send and receive signal's function.

In this embodiment, the bumper lens 2, the PCB 3 and the fixing frame 4 are all arc-shaped pieces, and the bumper 1 is arc-shaped. Adopt the structure of slice, be favorable to reducing buffer stop's whole weight, the installation of being more convenient for taking adopts curved shape moreover, also is favorable to and sweeps floor the robot concatenation cooperation, and it is more convenient to assemble.

Referring to fig. 1 and 2, the fixing frame 4 and the PCB 3 are stacked on the inner side of the bumper 1, the bumper lens 2 is stacked on the outer side of the bumper 1, a through hole 11 is formed in the bumper, and a signal transmitted from the PCB 3 passes through the through hole 11 and the bumper lens 2 in order to be transmitted to the outer side of the bumper 1. Locate 1 inboardly of bumper with mount 4, PCB board 3, bumper lens 2 locates the 1 outside of bumper, because bumper lens 2 and mount 4 fixed connection, just so can press from both sides tightly PCB board 3 on bumper 1, the installation is firm.

Referring to fig. 2 and 3, the bumper 1 includes a bottom plate 12, an upper side plate 13 and a lower side plate 14, the upper side plate 13 and the lower side plate 14 are respectively vertically connected to opposite sides of the bottom plate 12 to form an inner mounting groove 15 and an outer mounting groove 16, the inner mounting groove 15 and the outer mounting groove 16 are communicated through a through hole 11, the fixing frame 4 and the PCB board 3 are stacked in the inner mounting groove 15, and the bumper lens 2 is stacked in the outer mounting groove 16. The upper side plate 13 and the lower side plate 14 are respectively vertically connected with the bottom plate 12 to form an inner mounting groove 15 and an outer mounting groove 16, the fixing frame 4 and the PCB 3 are mounted in the inner mounting groove 15 in a stacked mode, the bumper lens 2 is mounted in the outer mounting groove 16 in a stacked mode, and the overall thickness of the anti-collision device can be further reduced.

Referring to fig. 5, 7 and 8, the anti-collision device further includes screws, the bumper lens 2 is provided with an internal threaded column 21, the fixing frame 4 and the PCB 3 are respectively provided with a connecting hole 41 and a circular hole 31, and the screws sequentially pass through the connecting hole 41, the circular hole 31 and the through hole 11 and then are screwed on the internal threaded column 21, so as to fixedly connect the fixing frame 4 and the bumper lens 2. Through setting up internal thread post 21, and set up corresponding connecting hole 41 and round hole 31 on mount 4 and PCB board 3 respectively, realize the fixed connection of mount 4 and bumper lens 2 through the cooperation of screw and internal thread post 21, it is firm to connect, only need arrange 1 inboards of bumper in together mount 4 and PCB board 3 during the assembly, paste bumper lens 2 in the bumper 1 outside again, then pass connecting hole 41 with the screw, screw in behind the round hole 31 on the internal thread post 21, whole buffer stop just finishes with the assembly, the installation is simple quick, high production efficiency.

In this embodiment, a boss 42 is disposed on a side of the fixing frame 4 away from the PCB 3, and the connecting hole 41 is disposed on the boss 42. Through setting up boss 42, can increase the 4 wall thicknesses of mount that are located connecting hole 41 department, and then increase the intensity that connecting hole 41 goes out, the in-process of avoiding the installation screw causes wearing and tearing to mount 4 and leads to mount 4 to be damaged, needn't increase the thickness at other positions of mount 4 in addition and just can reach the purpose of gaining in strength, the material loss is still less, the whole thickness of mount 4 is littleer, is favorable to reducing the weight of mount 4.

In the present embodiment, there are at least two female threaded studs 21, and correspondingly, there are at least two connecting holes 41 and at least two round holes 31. Set up a plurality of internal thread posts 21, can make mount 4 be connected more firmly with bumper lens 2, the fixed knot of PCB board 3 constructs more stably, and PCB board 3 is difficult for taking place the pine and takes off.

Referring to fig. 5, 7 and 8, in another embodiment, there are two internal threaded columns 21 symmetrically disposed on the inner side of the bumper lens 2, and the axes of the two internal threaded columns 21 point to the arc center of the bumper lens 2. Through set up two internal thread posts 21 on bumper lens 2, can guarantee the firm connection of mount 4 and bumper lens 2, because foretell bumper lens 2 is the arc slice, make the arc center of the equal directional bumper lens 2 of axis of two internal thread posts 21, not only be favorable to the product drawing of patterns at the in-process of the production of moulding plastics of bumper lens 2, reduce the processing degree of difficulty, and when locking screw, can make bumper lens 2 receive the directional arc center of screw locking pulling force direction, avoid bumper lens 2 to take place abnormal deformation and break, fine protection bumper lens 2's integrality.

Referring to fig. 3, the support post 17 is disposed on the inner side of the bottom plate 12, the support post 17 includes an upper support post 171 and a lower support post 172, the upper support post 171 and the lower support post 172 are spaced apart from each other, and the fixing frame 4 is disposed between the upper support post 171 and the lower support post 172. In the assembling process of the anti-collision device, the upper supporting column 171 and the lower supporting column 172 can play a role in supporting and limiting, when the screw penetrates through the connecting hole 41 and is screwed into the internal threaded column 21, the fixed frame 4 can be prevented from swinging to affect the assembling, and the mounting efficiency is higher.

Referring to fig. 1, the anti-collision device of the embodiment of the invention further includes an anti-collision strip 5, and the anti-collision strip 5 is arranged outside the bumper 1. Set up crashproof strip 5, can protect bumper lens 2, can effectively avoid buffer stop and outside article to bump and damage bumper lens 2. Preferably, the bumper strip 5 is made of a rubber material; rubber has certain elasticity, can effectively protect bumper 1 and bumper lens 2, and the life of rubber anticollision strip 5 is longer moreover.

Referring to fig. 2, the bumper 1 is provided at the outside thereof with a fixing groove 18, the bumper strip 5 is partially provided at the fixing groove 18, and the bumper strip 5 protrudes from the outside surface of the bumper 1. Preferably, the bumper strip 5 protrudes from the outer surface of the bumper 1 to a greater height than the distance between the surface of the bumper lens 2 and the outer surface of the bumper 1. In the present embodiment, the fixing groove 18 is located below the outer mounting groove 16. The anti-collision strip 5 is fixedly bonded with the fixing groove 18, can be bonded by glue or double faced adhesive tape, and is convenient to mount. In the embodiment, the fixing groove 18 not only enables the bumper strip 5 to be installed more firmly, but also the fixing groove 18 can play a role in positioning in the installation process, so that the bumper strip 5 is more convenient to install; and make the outside surface of crashproof strip 5 protrusion and bumper 1, when buffer stop and outside article bump, crashproof strip 5 can be collided with outside article in advance with bumper lens 2, avoids bumper lens 2 to receive the harm.

Referring to fig. 4, in another embodiment, a clip 22 is disposed on the bumper lens 2 in the protection assembly, a clip interface 19 matched with the clip 22 is disposed on the bumper 1, and the bumper lens 2 is fixedly connected to the bumper 1 through the matching of the clip 22 and the clip interface 19.

Foretell protection component, through set up joint knot 22 on bumper lens 2, set up joint interface 19 on bumper 1, through joint knot 22 with joint interface 19's cooperation with bumper lens 2 fixed mounting on bumper 1, it is firm to install, the assembly of being convenient for. And at assembly buffer stop's in-process, can be in advance with bumper lens 2 fixed mounting to bumper 1 on, avoid bumper lens 2 to take place the swing when the installation screw and influence assembly efficiency, the assembly of being more convenient for.

Referring to fig. 5 and 6, the clip 22 includes a horizontal portion 221 and a fastening portion 222, wherein one end of the horizontal portion 221 is vertically connected to an inner surface of the bumper lens 2, the fastening portion 222 is vertically connected to the other end of the horizontal portion 221 to form a hook shape, and the fastening portion 222 passes through the clip opening 19 and then is clipped to the bumper 1. Preferably, the clip interface 19 penetrates the groove bottom of the inner mounting groove 15 and the groove bottom of the outer mounting groove 16. In the present embodiment, the horizontal portion 221 extends vertically from the inner surface of the bumper lens 2, a chamfer 223 is disposed on one side of the buckling portion 222 close to the bumper 1, and an included angle between the chamfer 223 and the horizontal portion 221 is 30 ° to 60 °, preferably 45 °; a chamfer 223 is provided to facilitate insertion of the snap-fit portion 222 into the card interface 19. The hook shape is formed by connecting the buckling part 222 with the horizontal part 221, after the buckling part 222 passes through the clip interface 19, the horizontal part 221 abuts against the peripheral side of the clip interface 19, and the buckling part 222 is connected to the bottom of the inner mounting groove 15 near one side of the bumper lens 2 to fix the bumper lens 2 in the outer mounting groove 16.

Referring to fig. 2, the outer mounting groove 16 is adapted to the shape of the bumper lens 2. Outer mounting groove 16 not only has the effect of location at the in-process of bumper lens 2 installation, makes the installation more convenient, fixes bumper lens 2 in outer mounting groove 16 moreover, and the structure is more firm.

In the present embodiment, the depth of the outer mounting groove 16 is equal to or greater than the thickness of the bumper lens 2. Thus, the outer surface of the bumper lens 2 is recessed in the outer side wall surface of the bumper 1 or flush with the surface of the bumper 1, the integrity of the bumper lens 2 can be further protected, and the bumper lens 2 is prevented from being damaged when the bumper 1 collides with an external object.

Referring to fig. 2, 3 and 4, the snap fasteners 22 are spaced apart from the upper and lower edges of the bumper lens 2, and correspondingly, the snap openings 19 are spaced apart from the lower edges of the outer mounting groove 16. The clamping buckles 22 and the clamping interfaces 19 are respectively arranged on the upper side edge and the lower side edge of the bumper lens 2 and the outer mounting groove 16, so that when the bumper lens 2 is mounted in the outer mounting groove 16, the peripheral edge of the bumper lens 2 protrudes out of the outer mounting groove 16. Preferably, the number of the snap fasteners 22 on the upper and lower edges of the bumper lens 2 is not less than three, and correspondingly, the number of the snap interfaces 19 on the upper and lower edges of the outer mounting groove 16 is not less than three, so that the bumper lens 2 can be stably mounted in the outer mounting groove 16.

In the present embodiment, the bumper lens 2 is made of PC plastic. The bumper lens 2 made of PCB plastic has better wear resistance and longer service life.

In another embodiment, the bumper lens 2 is provided with a protective film on its outer surface. Set up the protection film, can avoid bumper lens 2 to be scraped the flower and influence PCB board 3 send and receive signals. Preferably, the protective film may be an AR protective film, or an OCA protective film.

Referring to fig. 7 and 11, in another embodiment, a groove 43 adapted to the PCB 3 is disposed on the fixing frame 4 of the signal transceiver module, and the PCB 3 is clamped in the groove 43.

Above-mentioned signal receiving and dispatching subassembly is through setting up the recess 43 with 3 looks adaptations of PCB board on mount 4 to with 3 joints of PCB board in recess 43, PCB board 3 is fixed firm, when assembling the signal receiving and dispatching subassembly to bumper 1 in addition, can be earlier with on 3 fixed mounting of PCB board 4 of mount, then with mount 4 integral erection together, it is more convenient to assemble.

Referring to fig. 8, the signal transceiver includes signal transmitting heads 33 spaced apart from each other on the PCB board 3, and the signal transmitting heads 33 can transmit and receive signals. Preferably, there are at least three groups of signal emitting heads 33, and each group of signal emitting heads 33 has at least two; the signal emitting heads 33 in this embodiment are eleven sets, and are disposed on the PCB board 3 at intervals of the same distance. When the signal emitting head 33 works, a signal is emitted to the outside firstly, then the signal emitting head 33 determines whether a barrier exists in the front or not by receiving the signal reflected by an external object, so that the sweeping robot can adjust the moving direction in time to avoid the barrier, and the damage to the sweeping robot caused by collision with the barrier is avoided.

Referring to fig. 8, the PCB 3 is further provided with a connection terminal 34. In the present embodiment, the connection terminal 34 is used for electrically connecting with the main board of the cleaning robot. Preferably, the PCB 3 is further provided with a signal channel 35; the signal channel 35 is arranged, so that the situation that the PCB 3 blocks a signal transmitter on the main board of the sweeping robot to transmit signals or receive signals by a signal receiver can be avoided.

In this embodiment, the depth of the groove 43 is larger than the thickness of the PCB 3. The depth of recess 43 is greater than the thickness of PCB board 3, can make PCB board 3 wholly arrange in recess 43, and do not stand out in mount 4 surface, when installing mount 4 on buffer 1 of buffer stop, avoids PCB board 3 and buffer 1 to collide and damage PCB board 3, influences the receiving and dispatching of signal.

Referring to fig. 11, two opposite sides of the groove 43 are provided with the catches 44, the catches 44 and the bottom wall of the groove 43 form a first gap 431, and two sides of the PCB 3 are inserted into the first gap 431. Through setting up buckle 44 and making buckle 44 and recess form first clearance 431, insert first clearance 431 with the both sides of PCB board 3 to fix PCB board 3 joint in recess 43, the assembly is simple and convenient, and PCB board 3 installation is more firm.

Referring to fig. 12, the clip 44 includes a guide portion 441, a straight portion 442, and an abutting portion 443, the guide portion 441 and the abutting portion 443 are spaced apart from each other on both sides of the straight portion 442, and both the guide portion 441 and the abutting portion 443 are connected to the side wall of the groove 43. Preferably, the angle between the guiding portion 441 and the side wall of the groove 43 is 30 ° to 60 °, preferably 45 °; the abutment portion 443 is disposed in parallel with the bottom wall of the groove 43, and the straight portion 442 is disposed in parallel with the side wall of the groove 43. In this embodiment, the distance between the abutment portion 443 and the bottom wall of the groove 43 is greater than or equal to the thickness of the PCB 3, so that when the PCB 3 is snap-fitted into the groove 43, the abutment portion 443 abuts against the top surface of the PCB 3, thereby restraining the PCB 3 in the groove 43. When the PCB 3 is mounted, the PCB 3 is pressed by force, the two sides of the PCB 3 move along the guiding portion 441, and then slide into the groove 43 along the straight portion 442 and are abutted by the abutting portion 443, so that the PCB 3 is stably fixed in the groove 43, and the mounting is convenient.

In the present embodiment, the guiding portion 441, the straight portion 442 and the abutting portion 443 are disposed in the groove 43 and recessed in the outer wall surface of the fixing frame 4. Therefore, the buckle 44 can be prevented from protruding out of the side wall of the fixing frame 4, and the phenomenon that the buckle 44 abuts against the inner wall of the bumper 1 to increase the overall thickness of the anti-collision device when the signal transceiving component is mounted on the anti-collision device is avoided.

In this embodiment, there are at least three catches 44, and the three catches 44 are respectively spaced at two opposite sides of the groove 43. Set up a plurality of buckles 44 in recess 43 relative both sides, can further improve PCB board 3's installation stability, PCB board 3 is fixed more firm.

Referring to fig. 9, a first through hole 432 is formed at a position of the bottom wall of the groove 43 corresponding to the latch 44. Set up first through-hole 432, be convenient for simplify the mould structure at the in-process of mount 4 injection moulding production processing to reduce the processing cost.

Referring to fig. 14 and 15, in another embodiment, two side walls of the groove 43 are opened with side grooves 433, and two sides of the PCB 3 are inserted into the side grooves 433. In this embodiment, the side grooves 433 are disposed on two opposite sidewalls of the groove 43, two opposite sides of the PCB 3 are inserted into the side grooves 433, and the PCB 3 is confined between the side grooves 433 and the groove 43, so that the installation is stable.

Referring to fig. 11, the two ends of the groove 43 are provided with the clamping portions 45, the clamping portions 45 and the bottom wall of the groove 43 form a second gap 434, and the end of the PCB 3 is inserted into the second gap 434. Through set up at recess 43 both ends and form the joint portion 45 of second clearance 434 with recess 43, when installation PCB board 3, the both ends of PCB board 3 are inserted in second clearance 434, can be restricted in recess 43 by joint portion 45, avoid the both ends perk of PCB board 3 to bulge mount 4 surface, influence the installation of mount 4.

Referring to fig. 11 and 13, a second through hole 435 is formed in a bottom wall of the groove 43 corresponding to the engaging portion 45. The second through hole 435 is also beneficial to simplifying the structure of the mold during the injection molding production process of the fixing frame 4, thereby reducing the processing cost.

Referring to fig. 9 and 11, square holes 46 are symmetrically formed in the fixing frame 4, and a snap ring 47 is disposed on a side of the square hole 46 away from the groove 43. Preferably, the signal transceiver further includes a signal receiving terminal 6, the PCB 3 is also provided with a mounting hole 32 communicated with the square hole 46, the signal receiving terminal 6 is disposed on the mounting hole 32, and the signal receiving terminal 6 is used for receiving a remote control signal, so that the sweeping robot can receive the signal sent by the remote controller to perform a corresponding action. In this embodiment, the signal receiving terminal 6 is disposed in the mounting hole 32 and the square hole 46, and abuts against the snap ring 47, and the snap ring 47 can play a role in fixing and limiting, thereby improving the mounting stability of the signal receiving terminal 6.

Referring to fig. 10, the snap ring 47 includes an abutting section 471 and a connecting section 472, the connecting section 472 is connected to two ends of the abutting section 471 at intervals, the connecting section 472 is connected to the fixing frame 4, and the signal receiving terminal 6 abuts against the abutting section 471. When the signal receiving terminal 6 is mounted in the mounting hole 32 and inserted into the square hole 46, the abutting section 471 abuts against one end of the signal receiving terminal 6, the connecting section 472 covers the signal receiving terminal 6 together with the abutting section 471 from two opposite sides of the abutting section 471, so that the signal receiving terminal 6 is limited in the square hole 46, the signal receiving terminal 6 is prevented from shaking, and the signal receiving terminal 6 is mounted more stably.

The embodiment of the invention also provides a sweeping robot which comprises the anti-collision device.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A protective assembly is characterized by comprising a bumper lens and a bumper, wherein the bumper lens is provided with a clamping buckle, and the bumper is provided with a clamping interface matched with the clamping buckle;

the bumper is provided with an outer mounting groove matched with the bumper lens, and the bumper lens is arranged in the outer mounting groove;

the protective assembly further comprises a fixing frame, the fixing frame is arranged on the inner side of the bumper, and the fixing frame is fixedly connected with the bumper lens through screws;

the bumper comprises a bottom plate, an upper side plate and a lower side plate, wherein the upper side plate and the lower side plate are respectively vertically connected to two opposite sides of the bottom plate to form an inner mounting groove and an outer mounting groove;

the inner side of the bottom plate is provided with a support column, the support column comprises an upper support column and a lower support column, the upper support column and the lower support column are arranged at intervals, and the fixing frame is arranged between the upper support column and the lower support column;

the fixing frame is provided with a groove matched with the PCB, and the PCB is clamped in the groove;

two side walls of the groove are provided with side grooves, and two sides of the PCB are inserted into the side grooves;

clamping parts are arranged at two ends of the groove, a second gap is formed between the clamping parts and the bottom wall of the groove, and the end part of the PCB is inserted into the second gap;

square holes are symmetrically formed in the fixing frame, and a clamping ring is arranged on one side, away from the groove, of each square hole;

the PCB is provided with a mounting hole communicated with the square hole;

the signal receiving terminal is arranged in the mounting hole and the square hole and abutted against the clamping ring, and the signal receiving terminal is used for receiving remote control signals.

2. The protective assembly of claim 1, wherein the snap fastener comprises a flat portion and a fastening portion, one end of the flat portion is perpendicularly connected to the inner surface of the bumper lens, the fastening portion is perpendicularly connected to the other end of the flat portion to form a hook shape, and the fastening portion is passed through the snap interface and then snapped onto the bumper.

3. The shield assembly of claim 1 wherein the outer surface of the bumper lens is flush with the surface of the bumper.

4. The protective assembly according to claim 1, wherein the clip fasteners are spaced apart from the upper and lower edges of the bumper lens, and correspondingly, the clip interfaces are spaced apart from the lower edges of the outer mounting groove.

5. The shield assembly of claim 1 wherein said bumper lens outer surface is provided with a protective film.

6. The protective assembly according to claim 1, wherein the bumper lens is provided with an internally threaded post, and the mounting bracket is provided with a connecting hole, and a screw is inserted through the connecting hole to be matched with the internally threaded post, so that the bumper lens is fixedly connected with the mounting bracket.

7. A sweeping robot comprising the guard assembly of any one of claims 1 to 6.