CN217524941U

CN217524941U - Cliff sensor fixed knot constructs and robot of sweeping floor

Info

Publication number: CN217524941U
Application number: CN202221086075.2U
Authority: CN
Inventors: 石沛; 施博爱; 邓鹏�; 韩川; 田攀; 艾凯凯; 宋永航
Original assignee: Hangzhou Huacheng Software Technology Co Ltd
Current assignee: Hangzhou Huacheng Software Technology Co Ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-10-04
Anticipated expiration: 2032-05-06

Abstract

The utility model provides a cliff sensor fixed knot constructs and robot of sweeping floor, this cliff sensor fixed knot constructs including shell and cliff sensor, wherein, the shell has the cavity that is equipped with the opening, the cavity has the back wall and lies in the side of back wall both sides, the shell includes the spacing muscle that sets up in the back wall and the brace rod of locating the side, spacing muscle bottom surface is higher than the top surface of brace rod, the shell still includes protruding muscle, the top surface orientation of protruding muscle self-supporting muscle is close to spacing muscle direction salient setting; the cliff sensor includes cliff sensor body and is located the perpendicular muscle of cliff sensor body lateral wall, and the cliff sensor is installed when the cavity, and cliff sensor top supports in spacing muscle bottom, and perpendicular muscle bottom supports in the brace rod top surface, and perpendicular muscle side supports in protruding muscle to avoid the cliff sensor to rock in the shell, and it is convenient to assemble, simple structure.

Description

Cliff sensor fixed knot constructs and robot of sweeping floor

Technical Field

The application relates to the technical field of household sweeping robots, in particular to a cliff sensor fixing structure and a sweeping robot.

Background

At present, a plurality of cliff sensors are circumferentially distributed on a sweeping robot in the market and used for detecting ground signals, identifying overhigh steps and preventing the machine from falling, and the fixing reliability and stability of the cliff sensors play a vital role in normal operation of the machine. The internal integrated system of the existing sweeper is various, the space is compact, and the assembly of the cliff sensor is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a cliff sensor fixing structure and a sweeping robot, wherein the cliff sensor fixing structure is convenient to assemble and simple in structure.

The utility model provides a cliff sensor fixed knot constructs, include:

the shell is provided with a cavity with an opening, the cavity is provided with a back wall surface and side surfaces positioned on two sides of the back wall surface, the shell comprises a limiting rib arranged on the back wall surface and a supporting rib arranged on the side surfaces, the bottom surface of the limiting rib is higher than the top surface of the supporting rib, the shell also comprises a convex rib, and the convex rib is arranged in a protruding manner from the top surface of the supporting rib towards the direction close to the limiting rib;

the cliff sensor comprises a cliff sensor body and vertical ribs located on the side wall of the cliff sensor body, when the cliff sensor is installed in the cavity, the top of the cliff sensor supports against the bottom of the limiting ribs, the bottom of the vertical ribs supports against the top surface of the supporting ribs, and the side faces of the vertical ribs support against the convex ribs.

So set up, the shell includes spacing muscle, brace rod and protruding muscle, and spacing muscle bottom surface is higher than the top surface of brace rod to when cliff sensor installation, at first cliff sensor gets into the cavity, and cliff sensor top supports in spacing muscle bottom, erects the muscle bottom and supports in the brace rod top surface, removes in the vertical direction of restriction cliff sensor, and then erects the muscle side and supports in protruding muscle, removes in the restriction cliff sensor fore-and-aft direction, avoids cliff sensor to rock.

In an embodiment of the present invention, the protruding rib has a first mating surface and a second mating surface opposite to the first mating surface, the second mating surface is opposite to the back wall surface, the vertical rib includes a first guiding surface located at the bottom of the vertical rib, the first guiding surface is in sliding fit with the first mating surface to mount the cliff sensor on the cavity along the length direction of the supporting rib.

According to the arrangement, the convex rib is provided with the first matching surface which is in sliding fit with the first guide surface arranged at the bottom of the vertical rib, so that the cliff sensor slides into the cavity, the guide contact precision is high, and the stability is good during sliding; the second matching surface is opposite to the back wall surface, and when the bottom of the vertical rib is abutted against the second matching surface, the cliff sensor is abutted against the cliff from being separated from the cavity.

In an embodiment of the present invention, the first guiding surface is an inclined surface or an arc surface, and the first mating surface is an inclined surface or an arc surface adapted to the first guiding surface.

Due to the arrangement, the first guide surface is designed into the inclined surface or the arc surface, so that the abrasion of the cliff sensor during sliding is reduced, the inclined surface or the arc surface is more labor-saving in point contact, and the cliff sensor can conveniently slide into the cavity for assembly; in addition, the first matching surface is matched with the first guide surface, so that the first matching surface and the first guide surface can be easily contacted to move, and the sliding resistance of the cliff sensor is reduced.

In an embodiment of the present invention, the vertical rib further includes a second guiding surface located at the bottom of the vertical rib, the second guiding surface is opposite to the first guiding surface, and the cliff sensor is mounted on the cavity, and the second guiding surface abuts against the second matching surface.

So set up, erect the muscle still include the second spigot surface and with second fitting surface butt to support in protruding muscle, avoid cliff sensor landing, the second spigot surface sets up back of the body mutually with first spigot surface in addition, so that restriction when cliff sensor assembly removes.

In an embodiment of the present invention, the second guiding surface is an inclined surface or an arc surface, and the second mating surface is an inclined surface or an arc surface adapted to the second guiding surface.

Due to the arrangement, the second guide surface is an inclined surface or an arc surface, so that the abrasion of the cliff sensor during sliding is reduced, and the cliff sensor can be conveniently slid into the cavity for assembly; in addition, the second matching surface is matched with the second guide surface to limit the cliff sensor to move back and forth in the cavity.

In an embodiment of the present invention, the housing further has a wire slot opened in the back wall surface.

So set up, set up the wire casing at the back of the body wainscot face to when the cliff sensor is installed in the cavity, cliff sensor and back wall face laminating device, cliff sensor wire wears to locate the wire casing, and the circuit arrangement is succinct, the cliff sensor installation of being convenient for.

In an embodiment of the present invention, the cliff sensor fixing structure further includes a bottom cover, the bottom cover is disposed on the housing, the bottom cover has a avoiding hole corresponding to the relative cavity, the cliff sensor is mounted in the cavity, and the cliff sensor is inserted into the avoiding hole.

According to the arrangement, the bottom cover is provided with the avoiding hole and is arranged corresponding to the cavity, the cliff sensor penetrates through the avoiding hole, and signals are transmitted to the ground.

In an embodiment of the present invention, the bottom cover includes a baffle, the baffle extends from the edge of the avoiding hole toward the housing, and is disposed opposite to the back wall space.

So set up, the bottom includes that the baffle just sets up with back of the body wall interval is relative to keep off in cliff sensor outside, the protection cliff sensor.

In an embodiment of the present invention, the bottom cover further includes a reinforcing rib disposed at the back of the baffle plate, and the baffle plate and the reinforcing rib are integrally formed.

So set up, baffle back sets up the strengthening rib and with strengthening rib integrated into one piece to fixed bottom overall structure produces the deformation when avoiding the baffle to protect cliff sensor.

The utility model also provides a robot of sweeping floor, including above embodiment cliff sensor fixed knot construct.

Compared with the prior art, the cliff sensor fixing structure provided by the utility model has the advantages that when the cliff sensor fixing structure is assembled, the guide surface at the bottom of the vertical rib is contacted with the convex rib matching surface, the cliff sensor is easy to slide into the cavity, and the assembly is convenient; in addition, the limit ribs and the support ribs limit the up-and-down freedom degree movement of the cliff sensor, and the convex ribs limit the front-and-back freedom degree movement of the cliff sensor.

In addition, the bottom cover covers the shell and plays a role of protecting the cliff sensor.

Drawings

Fig. 1 is a schematic structural view of a housing of a cliff sensor fixing structure according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of the cliff sensor in the above embodiment;

fig. 4 is a schematic view of another perspective of the cliff sensor in the above embodiment;

FIG. 5 is a schematic structural view of the bottom cover in the above embodiment;

FIG. 6 is an enlarged view of portion B of FIG. 5;

fig. 7 is a schematic view illustrating the assembly of the outer case and the bottom cover according to the embodiment of the present invention;

FIG. 8 is an enlarged view of portion C of FIG. 7;

fig. 9 is a schematic partial sectional view of a cliff sensor securing structure according to an embodiment of the invention;

fig. 10 is an enlarged schematic view of portion D of fig. 9.

Reference numeral 10, a housing; 11. a cavity; 111. a back wall surface; 112. a side surface; 12. limiting ribs; 121. blocking edges; 13. supporting ribs; 14. a rib is protruded; 141. a first mating surface; 142. a second mating surface; 15. a wire slot; 20. a cliff sensor; 21. a cliff sensor body; 22. erecting ribs; 221. a first guide surface; 222. a second guide surface; 30. a bottom cover; 31. avoiding holes; 32. a baffle plate; 33. and (5) reinforcing ribs.

Detailed Description

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

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all of the associated listed items.

Referring to fig. 1 to 8, the present invention provides a cliff sensor fixing structure, which includes a housing 10, a cliff sensor 20 and a bottom cover 30, wherein the cliff sensor 20 is installed in the housing 10, and the bottom cover 30 covers the housing 10 to protect the cliff sensor 20. The cliff sensor fixing structure can be applied to the field of robots, particularly sweeping robots, so that the sweeping robots are prevented from falling when recognizing overhigh steps.

It should be understood by those skilled in the relevant art that when the cliff sensor 20 is applied to a sweeping robot, the housing 10 is a base of the sweeping robot, and each functional unit adapted to work with the sweeping robot and a functional module cooperating with the cliff sensor 20 are disposed on the housing 10, and since this part is not a key point in the present invention, this part is not described in the following description.

Referring to fig. 1 to 2, the housing 10 includes a housing and cavities 11 opened on the periphery of the housing, the number of cavities 11 being determined by the number of cliff sensors 20, each cavity 11 being provided with an opening for inserting the cliff sensor 20 into the cavity 11 through the opening.

Further, the housing 10 further includes a cavity 11, a limiting rib 12, a supporting rib 13 and a protruding rib 14, the cavity 11 has a back wall 111 and side surfaces 112 located at two sides of the back wall 111, the back wall 111 and the side surfaces 112 enclose the cavity 11 to form the cavity 11 having openings at the top, the front and the bottom of the cavity 11. The limiting ribs 12 are arranged on the back wall surface 111 at intervals, and the supporting ribs 13 are respectively arranged on two side surfaces 112, that is, one supporting rib 13 is arranged on one side surface 112. Spacing muscle 12 bottom surface is higher than 13 top surfaces of brace rod, sets up protruding muscle 14 at 13 top surfaces of brace rod respectively in addition, and protruding muscle 14 is towards being close to spacing muscle 12 and carries out the symmetric salient, and specifically, protruding muscle 14 is from the top surface of brace rod 13 towards the protruding setting of 12 directions of spacing muscle, and cliff sensor 20 of being convenient for can stride protruding muscle 14 and get into in the cavity 11 when sliding along the length direction of brace rod. Optionally, there are two limiting ribs 12, and the two limiting ribs 12 are spaced apart, and in other embodiments, the number of the limiting ribs 12 may be 1, 3 or other numbers, which may be determined according to the size and model of the cliff sensor 20.

Referring to fig. 3 to 4, the cliff sensor 20 includes a cliff sensor body 21 and two vertical ribs 22, where the two vertical ribs 22 are respectively disposed on two side walls of the cliff sensor body 21, when the cliff sensor 20 is installed in the cavity 11, the top of the cliff sensor 20 abuts against the bottom of the limiting rib 12, the bottom of the vertical rib 22 abuts against the top surface of the supporting rib 13, and the side surface of the vertical rib 22 abuts against the protruding rib 14. Alternatively, the height dimension of the vertical rib 22 may be equal to or slightly larger than the distance between the support rib 13 and the bottom of the limit rib 12 to trap the cliff sensor 20 between the limit rib 12 and the support rib 13, thereby preventing the cliff sensor 20 from moving in the vertical direction, i.e. the cliff sensor 20 cannot move in the up and down direction. Further, since the front portion of the cliff sensor 20 abuts against the back wall surface 111 and the side surface of the vertical rib 22 abuts against the rib 14 when the cliff sensor 20 is mounted in the cavity 11, the cliff sensor 20 is caught between the rib 14 and the back wall surface 111 in the front-rear direction. On the other hand, since the two side surfaces 112 are provided on both sides of the back wall surface 111, the right and left portions of the cliff sensor 20 are stopped by the side surfaces 112 and cannot move in the right and left directions, and the cliff sensor 20 is fixed in the up and down, front and rear, and right and left directions, thereby preventing the cliff sensor 20 from shaking.

In order to further improve the stability of the fixation of the cliff sensor 20, two limiting ribs 12 are arranged at intervals in the cavity 11, each limiting rib 12 is provided with a rib 121 extending from the bottom edge towards the support rib 13, the rib 121 can be contacted with the rear part of the cliff sensor 20 or the upper part of the vertical rib 22, so that the front and back direction of the upper part of the cliff sensor 20 is better clamped between the rib 121 and the back wall surface 111, and the lower part of the vertical rib 22 is abutted with the convex rib 14 to limit the front and back movement of the cliff sensor 20.

In one embodiment, as shown in fig. 1 to 4 and fig. 9 to 10, the rib 14 includes a first engagement surface 141 and a second engagement surface 142, the first engagement surface 141 is disposed opposite to the second engagement surface 142, and the second engagement surface 142 is disposed opposite to the back wall surface 111, the vertical rib 22 includes a first guide surface 221 and a second guide surface 222 disposed at the bottom of the vertical rib 22, so that the cliff sensor 20 can be pushed in along the length direction of the support rib 13 when the cliff sensor 20 is installed, and the cliff sensor 20 can be moved along the engagement surface of the rib 14 by the engagement of the first engagement surface 141 and the first guide surface 221, so that the vertical rib 22 of the cliff sensor 20 can contact the second engagement surface 142 after passing through the first engagement surface 141, and can be used for preventing the cliff sensor 20 from being detached from the cavity.

Specifically, the first guide surface 221 is slidably engaged with the first engagement surface 141 to mount the cliff sensor 20 to the cavity 11 along the length direction of the support rib 13, and the sliding engagement facilitates smooth assembly.

Further, the first guide surface 221 is provided as an inclined surface or an arc surface, and the first mating surface 141 is provided as an inclined surface or an arc surface adapted to the first guide surface 221, so as to reduce resistance when the cliff sensor 20 slides, and facilitate assembly.

In addition, in order to make the cliff sensor 20 detachably connected with respect to the housing and facilitate the detachment, the vertical rib 22 further includes a second guiding surface 222, and the second guiding surface 222 is disposed opposite to the first guiding surface 221, so that when the cliff sensor 20 is mounted in the cavity 11, the second guiding surface 222 abuts against the second mating surface 142; further, the second guiding surface 222 is configured as an inclined surface or an arc surface, the second mating surface 142 is configured as an inclined surface or an arc surface adapted to the second guiding surface 222, and the second mating surface 142 and the second guiding surface 222 cooperate to limit the front and back movement of the cliff sensor 20 in the cavity 11.

In one embodiment, as shown in fig. 1 to 2, the housing 10 further includes a wire slot 15 opened on the back wall 111 and located between the two limiting ribs 12, so as to facilitate the wiring of the cliff sensor 20 and simplify the internal space of the cliff sensor fixing structure. Furthermore, the PVC wire casing can be selected for wiring, and the cable has the characteristics of insulation, arc prevention, flame retardance, self-extinguishing and the like.

In an embodiment, as shown in fig. 5 to 6 and 7 to 8, the cliff sensor fixing structure further includes a bottom cover 30, the bottom cover 30 is disposed on the housing 10 to protect the cliff sensor 20, specifically, the bottom cover 30 includes an avoiding hole 31, a baffle 32 and a reinforcing rib 33, the avoiding hole 31 is disposed corresponding to the cavity 11, and when the cliff sensor 20 is mounted on the cavity 11, the bottom of the cliff sensor 20 penetrates the avoiding hole 31 to transmit signals to the ground.

Specifically, the baffle 32 is disposed at the edge of the avoiding hole 31 and extends toward the housing 10 to protect the outside of the cliff sensor 20, the back of the baffle 32 is provided with 3 ribs 33 and is integrally formed with the ribs 33 to stabilize the structure of the bottom cover 30, the ribs 33 and the back wall 111 are disposed at intervals and are opposite to each other, so that the bottom cover 30 is integrally covered on the housing 10, and the assembly structure is complete. But not limited to, the structure of the baffle 32 and the reinforcing ribs 33 can be simplified into a baffle with a triangular side face, and the baffle is simple and stable in structure and convenient to assemble.

The utility model provides a cliff sensor fixed knot constructs assembly principle as follows: firstly, the vertical rib 22 of the cliff sensor 20 is lapped on the support rib 13 to be capable of sliding along the length direction of the support rib 13, when the vertical rib slides to a preset position, the vertical rib 22 can firstly contact the convex rib 14, and the first matching surface 141 of the convex rib 14 is matched with the first guide surface 221 of the vertical rib 22, so that the vertical rib 22 can conveniently penetrate through the first matching surface 141 of the convex rib 14 and then the second guide surface 222 of the vertical rib 22 is matched with the second matching surface 142 of the convex rib 14, and the purpose of stopping the cliff sensor 20 is achieved. When the sensor is slid to the right position, the top of the cliff sensor 20 abuts against the bottom of the limiting rib 12, the cliff sensor 20 is in lap joint with the top surface of the supporting rib 13, the front end of the cliff sensor 20 abuts against the flange 121 of the limiting rib 12, the second guide surface 222 of the vertical rib 22 is in contact with the second matching surface 142 of the convex rib 14, the bottom of the vertical rib 22 abuts against the convex rib 14 to reduce the forward and backward movement of the cliff sensor 20, the cliff sensor 20 is reversely clamped between the two side surfaces 112 in the left-right direction to avoid shaking, the cliff sensor 20 is wired through the wire slot 15 between the two limiting ribs 12 to save space, the bottom of the cliff sensor 20 penetrates through the avoidance hole 31 to transmit signals to the ground, and finally the bottom cover 30 covers the shell 10, and the baffle 32 and the reinforcing ribs 33 are integrally formed to stabilize the whole structure. When detaching cliff sensor 20, the procedure is reversed.

The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims

1. A cliff sensor fixing structure is characterized by comprising

The shell is provided with a cavity with an opening, the cavity is provided with a back wall surface and side surfaces positioned on two sides of the back wall surface, the shell comprises a limiting rib arranged on the back wall surface and a supporting rib arranged on the side surfaces, the bottom surface of the limiting rib is higher than the top surface of the supporting rib, the shell also comprises a convex rib, and the convex rib is arranged in a protruding manner from the top surface of the supporting rib towards the direction close to the limiting rib; and

2. The cliff sensor fixing structure according to claim 1, wherein the rib has a first fitting surface and a second fitting surface opposite to the first fitting surface, the second fitting surface is disposed opposite to the back wall surface, and the vertical rib includes a first guide surface at a bottom of the vertical rib, and the first guide surface is slidably fitted to the first fitting surface to mount the cliff sensor to the cavity along a length direction of the support rib.

3. The cliff sensor fixing structure according to claim 2, wherein the first guide surface is a slope or an arc surface, and the first mating surface is a slope or an arc surface adapted to the first guide surface.

4. The cliff sensor fixing structure according to claim 2, wherein the vertical rib further comprises a second guide surface located at a bottom of the vertical rib, the second guide surface is opposite to the first guide surface, and when the cliff sensor is mounted in the cavity, the second guide surface abuts against the second fitting surface.

5. The cliff sensor fixing structure according to claim 4, wherein the second guide surface is a slope or an arc surface, and the second mating surface is a slope or an arc surface adapted to the second guide surface.

6. The cliff sensor securing structure according to claim 1, wherein the housing further has a wire slot opening to the back wall surface.

7. The cliff sensor fixing structure according to claim 1, further comprising a bottom cover, wherein the bottom cover is disposed on the housing, the bottom cover has an avoiding hole corresponding to the opposing cavity, and the cliff sensor penetrates the avoiding hole when the cliff sensor is mounted on the cavity.

8. The cliff sensor securing structure of claim 7, wherein the bottom cover comprises a baffle extending from an edge of the relief hole toward the housing and in spaced opposed relation to the back wall surface.

9. The cliff sensor securing structure of claim 8, wherein the bottom cover further comprises a stiffener rib provided at a back of the baffle and the baffle is integrally formed with the stiffener rib.

10. A sweeping robot comprising a cliff sensor securing arrangement according to any one of claims 1 to 9.