KR102221469B1 - Lawn mower robot - Google Patents

Abstract

The present invention relates to a lawnmower robot, comprising: an outer cover; An inner body accommodated on the inner side of the outer cover and mounted on both side surfaces of a plurality of wheels for driving; A plurality of blades rotatably mounted on the bottom of the inner body to mow the lawn; A plurality of support portions disposed above the inner body to be spaced apart from each other in the front-rear direction and the left-right direction, and supporting the outer cover to be movable in the front-rear direction and the left-right direction with respect to the inner body; And a UI module mounted on the inner body and having a user operation unit and an information display unit thereon. And a UI dust cover that is mounted on the inside of the outer cover and blocks dust inside the outer cover from flowing into the user control unit and the information display unit, so that dust can be prevented from entering the UI module.

Description

Lawn mower robot {LAWN MOWER ROBOT}

The present invention relates to a lawnmower robot that mows the lawn with a blade rotating by a motor.

A lawn mower is a device that mows and trims grass planted in a home's yard, playground, or golf course.

Recently, an automated robot-type lawnmower has been developed to reduce the trouble of having to operate the lawnmower directly by the user to mow the lawn, and to reduce the additional cost incurred by hiring an outsider to mow the lawn.

The lawnmower robot can drive by rotating a plurality of wheels with electric motors respectively mounted on both front and rear sides of the robot body, and can control the driving direction of the robot by controlling the number of rotations of the electric motor.

The lawnmower robot mounts a motor inside the inner body and rotates the blade using the power of the motor to mow the lawn.

In the prior patent US 2016/0128275 A1 (Pub. Date: May 12, 2016), a robotic mower contact detection system was disclosed.

The prior patent discloses that the control panel is detachably mounted on the top cover, and the control panel can be connected to the vehicle control unit so that an operator inputs various commands using a keypad.

However, since the lawnmower is a product used outdoors, if dust or the like accumulates on the display screen and keypad of the control panel, the user may see the display screen dimmed by dust when viewed with the naked eye, and there is a risk that the keypad may be misoperated. .

In addition, whenever dust accumulates on the display screen and keypad, there is a hassle of wiping off the dust.

The present invention has been created to solve the conventional problem, a lawn mower having a dustproof cover for a user interface (UI) that can prevent dust from entering the display screen and keypad (corresponding to the user control unit in the present invention) Its purpose is to provide a robot.

In order to achieve the above object, a lawnmower robot according to an example of the present invention includes an outer cover; An inner body accommodated on the inner side of the outer cover and mounted on both side surfaces of a plurality of wheels for driving; A plurality of blades rotatably mounted on the bottom of the inner body to mow the lawn; A plurality of support portions disposed above the inner body to be spaced apart from each other in the front-rear direction and the left-right direction, and supporting the outer cover to be movable in the front-rear direction and the left-right direction with respect to the inner body; And a UI module mounted on the inner body and having a user operation unit and an information display unit thereon. And a UI dust cover that is mounted inside the outer cover and blocks dust inside the outer cover from flowing into the user operation unit and the information display unit.

According to an example related to the present invention, the outer cover may include: a cover extension portion extending downwardly from an upper portion of the outer cover and opening in a vertical direction so as to communicate with the information display portion and the user operation portion; It may include an upper cover mounted on the outer cover to open and close the cover extension.

According to an example related to the present invention, the UI dust cover is extended in the vertical direction, the upper end of the UI dust cover is connected to the upper part of the outer cover, and the lower end of the UI dust cover is connected to the upper part of the UI module. Thus, a space extending upwardly between the inner surface of the outer cover from the upper portion of the UI module may be isolated from the inner space of the outer cover.

According to an example related to the present invention, the outer cover may be opened in a downward direction, and an inner surface of the outer cover may be spaced apart from the inner body in a vertical direction.

According to an example related to the present invention, the UI dust cover may be configured in the form of a square box so as to surround all four sides of the upper portion of the UI module.

According to an example related to the present invention, the upper end of the UI dust cover surrounds the outer surface of the cover extension, and the UI dust cover is an inner surface of the outer cover by a fastening frame configured to surround the upper end of the UI dust cover. Can be fastened to.

According to an example related to the present invention, the fastening frame may be configured in the shape of a square box whose size is larger than the cover extension part by the thickness of the UI dust cover.

According to an example related to the present invention, a plurality of fastening portions are formed to protrude from the front and rear surfaces of the fastening frame in the front and rear directions, respectively, and a plurality of fastening portions are formed on the inner side of the outer cover in a direction facing the plurality of fastening portions. The boss portion is formed to protrude, so that the plurality of fastening portions and the plurality of boss portions may be coupled to each other.

According to an example related to the present invention, the inner body includes: a UI module accommodating portion formed to be opened upwardly at a rear upper portion of the inner body; And a UI sealing rib protruding upwardly from an upper portion of the UI module receiving portion, wherein the UI module includes a UI cover mounted to cover the information display portion and provided with the user operation portion, and the UI cover Is mounted so as to surround the UI sealing rib and cover the UI module receiving portion, and the UI dust cover may have a fastening hook at the lower end, and may be fastened to surround the UI cover.

According to an example related to the present invention, the UI anti-vibration cover further includes a plurality of fastening portions protruding forward and backward from a front surface and a rear surface, respectively, and a direction facing the plurality of fastening portions from an upper portion of the inner body As a result, a plurality of boss portions are protruded so that the plurality of fastening portions and the plurality of boss portions may be fastened.

The effect of the lawnmower robot according to the present invention will be described as follows.

First, the UI dust cover connects the upper space of the UI cover to a cover extension formed to be open on the upper part of the outer cover, and separates the upper space of the UI cover from the inner space of the outer cover, and flows into the interior of the outer cover. It is possible to block the inflow of dust and the like to the information display unit and the user control unit of the UI cover.

Second, the upper cover is rotatably mounted to cover the cover extension on the upper part of the outer cover, so it is easy to manipulate the user operation part of the UI module or obtain necessary information through the display screen by opening the upper cover when necessary. There is this.

Third, it is possible to minimize the possibility of malfunction or malfunction of the user operation unit by closing the upper cover in normal times to prevent dust from accumulating on the display screen or the user operation unit, and increase visibility because the display screen is clean.

Fourth, the upper part of the UI dustproof cover is arranged to receive and wrap the lower part of the cover extension part, and the fastening frame is formed in a square box shape corresponding to the cover extension part, and is formed larger than the cover extension part by the thickness of the UI dustproof cover. , It can be firmly fastened by wrapping the upper part of the UI dustproof cover and pressing the cover extension part.

Fifth, the lower end of the UI prevention cover is provided with a fastening hook to surround the outer periphery of the UI cover and hang on the lower end of the UI cover, thereby facilitating assembly and improving sealing performance.

1 is a perspective view showing the appearance of a lawnmower robot according to the present invention.
FIG. 2 is a cross-sectional view taken along II-II in FIG. 1.
3 is a conceptual diagram showing the inner body after removing the outer cover in FIG. 1.
FIG. 4 is a conceptual diagram showing an exploded UI module in FIG. 3.
5 is a conceptual diagram illustrating a UI cover after opening a second upper cover in FIG. 1.
6 is a cross-sectional view taken along VI-VI in FIG. 2.
7 is a conceptual diagram showing a state in which the dust cover is mounted on the inner side of the outer cover according to the present invention.
8 is a conceptual diagram showing a state before the dust cover is mounted on the outer cover of FIG. 7.

Hereinafter, exemplary embodiments disclosed in the present specification will be described in detail with reference to the accompanying drawings, but identical or similar elements are denoted by the same reference numerals regardless of reference numerals, and redundant descriptions thereof will be omitted. The suffixes "module" and "unit" for components used in the following description are given or used interchangeably in consideration of only the ease of preparation of the specification, and do not have meanings or roles that are distinguished from each other by themselves. In addition, in describing the embodiments disclosed in the present specification, when it is determined that a detailed description of related known technologies may obscure the subject matter of the embodiments disclosed in the present specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are for easy understanding of the embodiments disclosed in the present specification, and the technical idea disclosed in the present specification is not limited by the accompanying drawings, and all modifications included in the spirit and scope of the present invention It should be understood to include equivalents or substitutes.

Terms including ordinal numbers such as first and second may be used to describe various elements, but the elements are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another component.

When a component is referred to as being "connected" or "connected" to another component, it is understood that it may be directly connected or connected to the other component, but other components may exist in the middle. It should be. On the other hand, when a component is referred to as being "directly connected" or "directly connected" to another component, it should be understood that there is no other component in the middle.

Singular expressions include plural expressions unless the context clearly indicates otherwise.

In this application, terms such as "comprises" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof does not preclude in advance.

In the present specification, UI is an abbreviation of User Interface, and means that the user controls the operation of the lawnmower robot or includes a function to obtain necessary information from the lawnmower robot.

1 is a perspective view showing the appearance of a lawnmower robot according to the present invention, FIG. 2 is a cross-sectional view taken along II-II in FIG. 1, and FIG. 3 is an inner body 120 after removing the outer cover 100 in FIG. ) Is a conceptual diagram showing.

The lawnmower robot of the present invention includes an outer cover 100 and an inner body 120.

The upper surface, the front surface, the rear surface, the left surface and the right surface of the outer cover 100 may be blocked, and the lower part of the outer cover 100 may be formed in an open structure. An accommodation space may be formed in the outer cover 100 to accommodate the inner body 120.

The outer cover 100 is configured to surround the inner body 120. The inner body 120 may be accommodated inside the outer cover 100.

The outer cover 100 may be spaced apart from the inner body 120 in a vertical direction, a front-rear direction, and a left-right direction.

The outer cover 100 may be supported so as to be movable in the front-rear direction and the left-right direction with respect to the inner body 120 by a plurality of support parts 110.

The plurality of support parts 110 may be disposed on the inner body 120 to be spaced apart from each other in the front and rear directions. For example, the two front support parts 111 may be spaced apart in the width direction in front of the inner body 120, and the two rear support parts 112 may be spaced apart in the width direction at the rear of the inner body 120. have.

Each of the plurality of support parts 110 may be made of a rubber material. Each of the plurality of support parts 110 may be formed in a cylindrical rod shape that is elongated in the vertical direction, and may be formed to have a narrow cross-sectional area from the upper end to the middle part or from the lower end to the middle part.

Each of the plurality of support portions 110 may have an upper end coupled to the outer cover 100 and a lower end coupled to the inner body 120. Among the plurality of support parts 110, the front support part 111 may include a corrugated part 1110 extending radially in a bellows shape at the lower end.

The front support 111 may elastically support the outer cover 100 so as to be movable in the front and rear, left and right directions with respect to the inner body 120 by the corrugated portion 1110.

The rear support part 112 may elastically support the outer cover 100 by bending the upper part in the front and rear, left and right directions around the lower part.

When the outer cover 100 collides with an obstacle, the outer cover 100 moves back and forth with respect to the inner body 120 in the left and right directions to mitigate the impact.

A plurality of ultrasonic sensor modules 113 may be mounted in front of the outer cover 100. The plurality of ultrasonic sensor modules 113 may be spaced apart in the width direction. Each of the plurality of ultrasonic sensor modules 113 may detect an obstacle positioned in front by transmitting an ultrasonic wave and receiving a reflected wave reflected by the obstacle.

The ultrasonic guide part is formed in a flat shape in front of the outer cover 100, and the ultrasonic guide part extends forward from the bottom of the plurality of ultrasonic sensor modules 113, so that ultrasonic waves from the plurality of ultrasonic sensor modules 113 are at a certain height or more. It can be restricted to be sent to.

The handle 101 is provided on the upper part of the outer body, so that the robot can be transported after the user grips the handle 101 by hand. The handle 101 may be composed of a front fastening portion, an intermediate inclined portion, and a rear gripping portion.

The front fastening portion is configured to be fastened to both front sides of the outer cover 100, and the intermediate inclined portion may extend upward inclined from the front fastening portion in the rear direction. The rear gripping part may be configured to connect the rear end of the intermediate inclined part as a part gripped by the user by hand.

The first upper cover 102 and the second upper cover 103 may be mounted on the upper part of the outer cover 100 to be open and close.

Each of the first upper cover 102 and the second upper cover 103 may be mounted so that the front end portion is coupled to the inner body 120 by a hinge, and the rear end portion is rotatable in the vertical direction.

The first upper cover 102 may be formed to be inclined downward from the rear end to the front end so that the front end is positioned lower than the rear end in the longitudinal direction. The first upper cover 102 may be formed to be inclined downwardly from the center portion to the left and right directions so that the left and right side ends are positioned lower than the center portion in the width direction.

According to this configuration, the first upper cover 102 and the second upper cover 103 can induce rainwater to flow down to the lower outside without accumulating on the upper part of the outer cover 100 in rainy weather.

A stop switch 104 may be installed to be pushable between the first upper cover 102 and the second upper cover 103. The stop switch 104 can be used by a user in an emergency.

The stop switch 104 may be positioned slightly higher than the first and second upper covers 102 and 103 and may be configured to be positioned identically to the rear gripping portion of the handle 101.

According to this configuration, when the robot passes an obstacle such as a tree branch at a position as low as the height of the robot, the stop switch 104 touches the obstacle earlier than the rear gripping portion of the handle 101 and stops the robot by pressing it. And, it is possible to prevent the handle 101 from getting caught in the obstacle.

A rain sensor 105 is installed on one side of the upper portion of the outer cover 100 to detect rain when it rains.

According to this configuration, the lawn robot may be configured to detect rain through the rain sensor 105 and return to the charging station.

A plurality of rain sensors 105 may be installed. The rain sensor 105 may be configured to detect a change in capacitance due to the impact and adhesion of water when the raindrops come into contact and detect the amount of rainwater.

Wheel drive motors 1141 may be mounted on both sides of the inner body 120 for driving the robot. The wheel drive motor 1141 may have a drive shaft, and the wheel 114 may be connected to the drive shaft. The plurality of wheels 114 may be rotated by receiving rotational force from the wheel driving motor 1141 through a drive shaft.

The plurality of wheels 114 may be independently driven by the wheel drive motor 1141. The plurality of wheel drive motors 1141 are independently connected to the plurality of wheels 114, and the number of rotations may be controlled differently from the control unit.

A plurality of casters 115 may be mounted on the bottom surface of the inner body 120 so as to be pivotable in the left and right directions around a central axis extending vertically.

According to this configuration, the controller controls the plurality of wheel drive motors 1141 to control the number of rotations of the wheels 114 differently, so that the robot can travel in a desired direction.

The lawnmower robot may include a blade assembly inside the inner body 120 to mow the lawn. The blade assembly may be disposed at the center of the inner body 120.

The blade assembly may include a lifting frame 123, a plurality of blades 126, a rotating plate 127, a blade protection cover 128, a rotating cylindrical part 124, a height adjustment knob 125, and the like.

The blade assembly is located under the first upper cover 102, and when the first upper cover 102 is opened, the height adjustment knob 125 of the blade assembly can be seen by the user. The user can adjust the height of the blade 126 using the height adjustment knob 125.

The elevating frame 123 may be mounted in the inner body 120 so as to move upwardly. A blade driving motor 1231 may be mounted inside the lifting frame 123.

The motor shaft is configured to protrude through the lower portion of the lifting frame 123 under the blade driving motor 1231, and the motor shaft is coupled with a shaft coupling portion formed in the center of the rotating plate 127, and the rotating plate 127 is a blade It may be rotated by receiving power from the drive motor 1231.

The rotating plate 127 may be rotatably mounted on the bottom of the lifting frame 123.

The plurality of blades 126 and the rotating plate 127 may be rotatably disposed on the bottom surface of the inner body 120.

The blade protection cover 128 may be disposed on the bottom surface of the inner body 120 and may be disposed to cover the rotating plate 127 and the plurality of blades 126.

A plurality of blades 126 may be rotatably mounted on the bottom surface of the rotating plate 127.

Each of the plurality of blades 126 has one end hinged to the rotating plate 127 by a fastening bolt, and the other end is folded in the radial direction of the rotating plate 127 around the fastening bolt, or radially outside the rotating plate 127 Can be rotated to unfold.

According to this configuration, the plurality of blades 126 can mow the lawn while rotating together with the rotating plate 127 when the robot is traveling.

A blade protective cover 128 is installed on the bottom of the lifting frame 123, and the blade protective cover 128 may be mounted so as to move up and down together with the lifting frame 123.

The rotating plate 127 and the plurality of blades 126 are disposed to be accommodated in the inside of the blade protection cover 128, and the rotating plate 127 is spaced apart from the upper surface of the blade protection cover 128 in the downward direction to protect the blade. It may be mounted rotatably with respect to the cover 128.

The blade protection cover 128 has a plurality of protrusions 1282 and a plurality of turf inlets in front, and the plurality of protrusions 1282 and a plurality of turf inlets may be alternately spaced apart.

The blade protection cover 128 may have inclined portions 1281 on the left and right sides and rear surfaces. The inclined portion 1281 may extend downwardly inclined from the upper surface of the blade protection cover 128.

According to this configuration, each of the inclined portion 1281 and the plurality of protrusions 1282 prevents the stone fragments from being scattered in the left and right directions and rearward when the blade 126 and the stones collide and bounced out of the outer cover 100. Can be blocked.

In addition, the plurality of grass entrances can minimize resistance when the grass enters from the front to the inside of the blade protection cover 128.

The plurality of blades 126, the rotating plate 127, and the blade protection cover 128 are mounted to be vertically movable together with the lifting frame 123, so that the height of the plurality of blades 126 can be adjusted.

In order to adjust the height of the blade 126, the height adjustment knob 125 may be rotatably mounted in place on the upper portion of the inner body 120. The handle portion is formed protruding from the upper surface of the height adjustment knob 125 and extends in the radial direction, so that the user can be configured to rotate the height adjustment knob 125 while holding the handle.

The rotating cylindrical part 124 is coupled to the lower part of the height adjustment knob 125 and may be rotatably mounted together with the height adjustment knob 125. A male screw portion may be formed on the outer circumferential surface of the rotating cylindrical portion 124. The rotating cylindrical part 124 may be accommodated in the lifting frame 123.

It may be rotatably mounted on the upper portion of the inner body 120 by providing a lowering limiting portion at the upper end of the rotating cylindrical portion 124.

A plurality of helical protrusions are formed on the inner circumferential surface of the lifting frame 123, and the helical protrusions may be coupled so as to be meshed with the male threaded portion of the rotating cylindrical part 124. Rotation limiting portions are protruded on both sides of the outer circumferential surface of the elevating frame 123, so that the elevating frame 123 is not rotated, and only the vertical movement may be allowed.

According to this configuration, as the rotating cylindrical portion 124 rotates, the helical protrusion may move in the vertical direction along the male threaded portion of the lifting frame 123.

The blade sealing part 129 may be disposed between the lower surface of the inner body 120 and the bottom surface of the lifting frame 123. The upper end of the blade sealing part 129 may be fastened to the lower part of the inner body 120, and the lower end of the blade sealing part 129 may be fastened to the bottom of the lifting frame 123 together with the blade protection cover 128.

The bellows-shaped corrugated portion on the side of the blade sealing portion 129 may be extended to be adjustable in length in the vertical direction.

According to this configuration, the length of the corrugated portion can be adjusted in the vertical direction by being unfolded or folded in the longitudinal direction, so that the blade protection cover 128, the rotating plate 127 and the plurality of blades 126 together with the elevating frame 123 are vertically extended. By maintaining the watertightness between the lower portion of the inner body 120 and the blade protection cover 128 even if it is moved in the direction, the inner body 120, for example, of the lifting frame 123 from the lower portion of the inner body 120 It is possible to prevent damage to the blade driving motor 1231 due to the penetration of water into the interior.

The inner body 120 may include an inner body body 121 and an inner body cover 122. An accommodation space may be formed inside the inner body main body 121. The inner body cover 122 may be mounted to cover the upper portion of the inner body body 121.

In the inner body 120, semiconductor devices such as an inverter for driving a motor and electrical devices such as a pcb mounted thereon are mounted, and a wire may be configured to electrically connect various types of electrical devices.

A controller for controlling the blade driving motor 1231 and the wheel driving motor 1141 may be mounted inside the inner body 120. The controller can be configured to control the overall operation of the lawnmower robot.

The controller may be implemented as a CPU (Central Processing Unit) capable of processing data. Various software can be installed on the CPU.

4 is a conceptual diagram showing the disassembled UI module 130 in FIG. 3, FIG. 5 is a conceptual diagram showing the UI cover 131 after opening the second upper cover 103 in FIG. 1, and FIG. 6 2 is a cross-sectional view taken along VI-VI, and FIG. 7 is a conceptual diagram showing a state in which a dustproof cover is mounted inside the outer cover 100 according to the present invention, and FIG. 8 is This is a conceptual diagram showing the appearance before the dust cover is installed.

A UI module 130 (User Interface Module) may be mounted on the rear upper portion of the inner body cover 122. A plurality of operation buttons may be provided on the upper part of the UI module 130 so that a user can manipulate the operation of the robot.

The plurality of operation buttons may be implemented in various ways, such as a button type and a touch type.

The UI module 130 may include a UI cover 131, an information display unit 132, and a UI printed circuit board (PCB). The information display unit 132 may be configured to display information on the lawnmower robot to the user. The information display unit 132 may be implemented as an LCD panel or an LED panel, and may display information such as job reservation details, specific matters, and current time.

The UI PCB may be mounted under the information display unit 132.

The UI module 130 is spaced apart from the bottom of the second upper cover 103, and when the second upper cover 103 is opened, the user manipulates the operation button of the UI module 130 or provides information from the information display unit 132. Can be recognized.

The UI module 130 may be configured to be assembled so as to be inserted downwardly on the upper portion of the inner body cover 122. The UI module accommodating part 140 may be formed inside the inner body 120. The UI module accommodating part 140 may be formed to open upward from the upper portion of the inner body cover 122.

The UI sealing rib 141 may extend upwardly from the upper portion of the UI module accommodating part 140. The UI sealing rib 141 may have a rectangular box structure, and may be configured to accommodate the information display unit 132.

The UI cover 131 may be mounted to cover the upper portion of the UI module accommodating part 140. The UI cover 131 may have a double sealing rib structure along the rim.

The double sealing rib may be composed of a first sealing rib 1341, a second sealing rib 1342, and a rib connecting portion 1343. The first sealing rib 1341 may extend to protrude downward from the edge of the UI cover 131.

The second sealing rib 1342 extends to protrude downward from the edge of the UI cover 131 and may be spaced apart from the first sealing rib 1341 in the front-rear direction and the left-right direction.

The rib connection part 1343 is configured to extend horizontally from the upper end of the first sealing rib 1341 to the upper end of the second sealing rib 1342 to connect the first sealing rib 1341 and the second sealing rib 1342 . A rib receiving groove may be formed between the first sealing rib 1341 and the second sealing rib 1342.

The UI sealing rib 141 of the inner body cover 122 may be inserted and coupled to the rib receiving groove. The first sealing rib 1341 and the second sealing rib 1342 and the UI sealing rib 141 of the UI cover 131 are arranged to overlap in the front and rear directions and the left and right directions of the UI cover 131, so that the UI cover 131 ) Can improve the sealing performance.

A UI sealer 135 (UI SEALER) may be inserted and mounted in the rib receiving groove. The UI sealer 135 has a rectangular cross-sectional shape and may be configured in a rectangular shape along the edge of the UI cover 131.

The UI sealer 135 may be fixedly coupled to the rib receiving groove by force fitting. When the UI cover 131 is mounted on the inner body cover 122, the UI sealer 135 is disposed between the upper end of the UI sealing rib 141 and the rib receiving groove of the UI cover 131, and the inner body cover ( Airtightness between the 122 and the UI cover 131 may be maintained, and water or the like may be prevented from penetrating into the inner body 120 through the upper portion of the UI module receiving unit 140.

A plurality of boss portions 142 may be formed to protrude upward on the upper surface of the inner body cover 122. The plurality of boss portions 142 may be spaced apart from each other in the front left and right directions and the rear left and right directions of the UI sealing rib 141. The plurality of boss portions 142 may have fastening grooves formed therein.

A plurality of fastening portions 1311 may be formed on the front and rear surfaces of the UI cover 131 to protrude in the front-rear direction. The plurality of fastening parts 1311 may be spaced apart from each other in the left and right directions of the UI cover 131. Each of the plurality of fastening parts 1311 may have a fastening hole formed therethrough.

The plurality of boss portions 142 are arranged to face the fastening portion 1311 of the UI cover 131 in the vertical direction, so that a fastening member such as a screw passes through the fastening portion 1311 of the UI cover 131 to pass through the boss portion. By being fastened to the fastening groove of 142, the UI cover 131 and the inner body cover 122 may be fastened.

According to this configuration, the fastening part 1311 of the UI cover 131 is disposed outside the UI sealer 135, so that water can be prevented from penetrating into the UI sealer 135 through a fine gap.

In addition, when the UI cover 131 and the inner body cover 122 are fastened, the UI sealer 135 is compressed to the UI cover 131 and the UI sealing rib 141 due to a fastening force, thereby further improving sealing performance.

The user manipulation unit 133 is mounted on the upper part of the UI cover 131 to be pushable, so that the user can manipulate the user manipulation unit 133 by pressing the user manipulation unit 133 to control the robot. The user manipulation unit 133 may be configured as, for example, a keypad, and may be implemented in any form as long as it is capable of operating the lawnmower by receiving a user's input.

The display opening portion may be formed through the upper portion of the UI cover 131 so that a part of the information display portion 132 displaying information may be exposed upward.

The lower portion of the outer cover 100 is opened downward, so that external dust or the like may flow into the inner side of the outer cover 100 through the lower opening of the outer cover 100.

Dust generated between the inner side of the outer cover 100 and the inner body cover 122 may be trapped on the upper part of the UI cover 131, causing a malfunction of the user operation unit 133 or a phenomenon in which information on the display unit is difficult to see. .

In order to solve this problem, the present invention may include a UI dust cover 145 inside the outer body.

The UI dust cover 145 is configured to isolate the UI cover 131 from dust scattering in the space between the outer cover 100 and the inner body cover 122.

The UI dust cover 145 may have a shape corresponding to the UI cover 131 and may be formed in a rectangular box structure.

The UI dust cover 145 may be made of a rubber material or a rigid plastic or metal material.

The cover extension 143 may protrude downward from the upper rear of the outer cover 100 toward the UI cover 131.

The UI dust cover 145 may be disposed between the inner surface of the outer cover 100 and the upper surface of the UI cover 131.

The upper part of the UI dust cover 145 may be configured to surround the cover extension 143, and the lower part of the UI dust cover 145 may be configured to surround the second sealing rib 1342 of the UI cover 131. .

The UI dust cover 145 extends in the vertical direction and divides the upper space of the UI cover 131 among the inner spaces of the outer cover 100 to communicate with the cover extension part 143.

The lower portion of the cover extension 143 may be accommodated in the UI dust cover 145.

The upper end of the UI dust cover 145 may be fastened to the outer cover 100, and the lower end of the UI dust cover 145 may be fastened to the UI cover 131.

In order to fasten the UI dust cover 145 and the outer cover 100, the fastening frame 147 may be configured to surround the upper portion of the UI dust cover 145.

The fastening frame 147 may have a shape corresponding to the UI dust cover 145 and may be formed in a rectangular box structure. The fastening frame 147 may be formed larger by the thickness of the upper end of the UI dust cover 145 than the size of the lower end of the cover extension 143.

The fastening frame 147, the UI dust cover 145, and the cover extension 143 may be disposed to overlap in the thickness direction.

A plurality of fastening portions 1471 may be formed to protrude from each of the front and rear portions of the fastening frame 147. A fastening hole may be formed in each of the plurality of fastening parts 1471 in the vertical direction.

A plurality of boss portions 142 may protrude from the inner surface of the outer cover 100. The plurality of boss portions 142 may be spaced apart from the outside of the cover extension portion 143. Fastening grooves may be formed in the plurality of boss portions 142, respectively.

The plurality of boss portions 142 and the fastening portions 1471 of the fastening frame 147 may be disposed to overlap in the upward direction.

According to this configuration, the UI anti-vibration cover 145 is fitted to surround the outer surface of the cover extension 143, the fastening frame 147 is fitted to surround the outer surface of the UI anti-vibration cover 145, and the UI The outer surface of the anti-vibration cover 145 may be compressed and fixed with the cover extension 143.

In addition, fastening members such as screws are fastened to the boss part 142 through the fastening part 1471 of the fastening frame 147, and the UI dust cover 145 is the outer cover 100 by the fastening frame 147. Can be fastened to the inside of.

In order to fasten the upper end of the UI dust cover 145 to the outer cover 100, a plurality of fastening portions are provided at the upper end of the UI dust cover 145 without the fastening frame 147, and the UI dust cover 145 is provided through the fastening portion. May be directly fastened to the outer cover 100.

A fastening hook 146 is formed at the bottom of the UI dust cover 145, and the fastening hook 146 is caught at the lower end of the second sealing rib 1342 of the UI cover 131, The lower end may be fastened to the UI cover 131.

A plurality of fastening portions 1451 are horizontally extended from the front left and right sides of the UI dust cover 145 in the front direction, and a plurality of fastening portions from the left and right sides of the rear surface of the UI dust cover 145 toward the rear direction ( 1451) may extend horizontally. A fastening hole may be formed through each of the plurality of fastening parts 1451.

The fastening portion 1451 of the UI dust cover 145 may be disposed to overlap the boss portion 142 of the inner body cover 122 in the vertical direction.

According to this configuration, a fastening member such as a screw passes through the fastening part 1451 of the UI dust cover 145 and is fastened to the fastening groove of the boss part 142, so that the lower end of the UI dust cover 145 and the inner body cover 122 can be fastened to each other.

Accordingly, according to the present invention, the UI dust cover 145 connects the upper space of the UI cover 131 in communication with the cover extension 143 formed to be opened above the outer cover 100, and the UI cover ( By separating the upper space of 131 from the inner space of the outer cover 100, dust and the like that have flowed into the outer cover 100 flows into the information display unit 132 and the user operation unit 133 of the UI cover 131 You can block it from becoming.

In addition, the upper cover is rotatably mounted to cover the cover extension part 143 on the upper part of the outer cover 100, and the user manipulates the user operation part 133 of the UI module 130 by opening the upper cover when necessary. There is an advantage in that it is easy to obtain necessary information through the display screen.

In addition, it is possible to minimize the possibility of malfunction or malfunction of the user operation unit 133 by closing the upper cover in normal times to prevent dust from accumulating on the display screen or the user operation unit 133, and increase visibility because the display screen is clean. .

In addition, the upper end of the UI anti-vibration cover 145 is arranged to receive and wrap the lower portion of the cover extension 143, and the fastening frame 147 is configured in the shape of a square box having a shape corresponding to the cover extension 143. Since the cover extension part 143 is formed as much as the thickness of the UI vibration-proof cover 145, the upper part of the UI dust-proof cover 145 is wrapped and compressed to the cover extension part 143 to be firmly fastened.

In addition, the lower end of the UI prevention cover is provided with a fastening hook 146 to surround the outer periphery of the UI cover 131 and hang on the lower end of the UI cover 131, so that assembly is easy and sealing performance can be improved.

The second upper cover 103 is mounted on the upper part of the outer cover 100 to cover the cover extension 143, and the second upper cover 103 has a front end hinged to the outer cover 100 so that the rear end is It is composed of a structure that rotates in the vertical direction and opens and closes in the vertical direction, but is not limited thereto and may be opened and closed in a manner that slides in the front-rear direction.

100: outer cover 101: handle
102: first upper cover 103: second upper cover
104: stop switch 105: rain sensor
110: support 111: front support
1110: wrinkle part 112: rear support
113: ultrasonic sensor module 114: wheel
115: caster 120: inner body
121: inner body body 122: inner body cover
123: lifting frame 1231: blade driving motor
124: rotary cylinder 125: height adjustment knob
126: blade 127: rotating plate
128: blade protection cover 1281: inclined portion
1282: protrusion 129: blade sealing portion
130: UI module 131: UI cover
132: information display unit 133: user control unit
1341: first sealing rib 1342: second sealing rib
1343: rib connection 135: UI sealer
140: UI module receiving part 141: UI sealing rib
142: boss part 143: cover extension part
144: boss part 145: UI dust cover
1451: fastening part 146: fastening hook
147: fastening frame 1471: fastening part

Claims (10)

Outer cover;
An inner body accommodated inside the outer cover and mounted on both side surfaces of a plurality of wheels for driving;
A plurality of blades rotatably mounted on the bottom of the inner body to mow the lawn;
A UI module mounted on the inner body and having a user operation unit and an information display unit thereon; And
It is mounted on the inner side of the outer cover, and includes a UI dust cover for blocking the inflow of dust inside the outer cover to the user operation unit and the information display unit,
The UI dust cover is extended in the vertical direction, the upper end of the UI dust cover is connected to the upper part of the outer cover, and the lower end of the UI dust cover is connected to the upper part of the UI module, A lawnmower robot that isolates a space extending upwardly between inner side surfaces of the outer cover from the inner space of the outer cover. The method of claim 1,
The outer cover,
A cover extension portion extending downwardly from the upper portion of the outer cover and opened in a vertical direction so as to communicate with the information display portion and the user operation portion;
And an upper cover mounted on the outer cover to open and close the cover extension. delete The method of claim 1,
The outer cover is opened in a downward direction, and an inner surface of the outer cover is disposed vertically spaced apart from the inner body. The method of claim 1,
The UI dust cover is a lawnmower, characterized in that configured in the shape of a square box to surround all four sides of the upper portion of the UI module. Outer cover;
An inner body accommodated on the inner side of the outer cover and mounted on both side surfaces of a plurality of wheels for driving;
A plurality of blades rotatably mounted on the bottom of the inner body to mow the lawn; And
A UI module mounted on the inner body and having a user operation unit and an information display unit thereon;
It is mounted on the inner side of the outer cover, and includes a UI dust cover for blocking the inflow of dust inside the outer cover to the user operation unit and the information display unit,
The outer cover,
A cover extension portion extending downwardly from the upper portion of the outer cover and opened in a vertical direction so as to communicate with the information display portion and the user operation portion;
Including an upper cover mounted on the upper portion of the outer cover so as to be able to open and close the cover extension,
The UI dust cover has an upper end surrounding the outer surface of the cover extension,
The UI dust-proof cover is a lawnmower, characterized in that fastened to the inner surface of the outer cover by a fastening frame configured to surround the upper end of the UI dust-proof cover. The method of claim 6,
The fastening frame is a lawnmower, characterized in that the shape of a square box that is larger than the cover extension by the thickness of the UI dust cover. The method of claim 6,
A plurality of fastening portions are protruding from the front and rear surfaces of the fastening frame in the front and rear directions, respectively,
A lawnmower, characterized in that a plurality of boss portions protrude from the inner surface of the outer cover in a direction facing the plurality of fastening portions, so that the plurality of fastening portions and the plurality of boss portions are coupled to each other. Outer cover;
An inner body accommodated on the inner side of the outer cover and mounted on both side surfaces of a plurality of wheels for driving;
A plurality of blades rotatably mounted on the bottom of the inner body to mow the lawn;
A UI module mounted on the inner body and having a user operation unit and an information display unit thereon; And
It is mounted on the inner side of the outer cover, and includes a UI dust cover for blocking the inflow of dust inside the outer cover to the user operation unit and the information display unit,
The inner body,
A UI module accommodating portion formed to be opened upwardly on a rear upper portion of the inner body; And
Including a UI sealing rib protruding upwardly from the upper portion of the UI module receiving portion,
The UI module,
And a UI cover mounted to cover the information display unit and having the user operation unit,
The UI cover is mounted to surround the UI sealing rib and cover the UI module receiving portion,
The UI dust cover is provided with a fastening hook at the bottom, a lawn mower, characterized in that fastened so as to surround the UI cover. The method of claim 9,
The UI dust cover further includes a plurality of fastening portions protruding from the front and rear surfaces in the front and rear directions, respectively,
A lawnmower, characterized in that a plurality of boss portions protrude from an upper portion of the inner body in a direction facing the plurality of fastening portions, so that the plurality of fastening portions and the plurality of boss portions are fastened.

Images