An emergency stop button structure and a lawn mowing robot

Abstract

The present invention discloses an emergency stop button structure and a lawn mowing robot, which are installed on a machine shell. An installation groove is provided on the machine shell, and the installation groove is a closed structure. A connection seat is provided on one side wall inside the installation groove; one side of the emergency stop button is provided with a connection arm, and the connection arm is movably connected to the connection seat; further comprising: an elastic support member, which is arranged between the emergency stop button and the installation groove; a sensor, which is arranged at the bottom of the machine shell; a trigger, which is arranged on the emergency stop button, and the trigger can trigger the sensor to transmit a signal to a controller, and the controller controls the machine to stop or cut off the power supply.

Description

Technical Field

[0001] The present invention relates to the field of waterproofing of push-button switches, and specifically to an emergency stop button structure and a lawn mowing robot. Background Art

[0002] A lawn mowing robot is a common automatic walking device that can move autonomously outdoors continuously and in real time. As a type of automatic walking device, an intelligent lawn mowing robot is suitable for cleaning vegetation in plots such as hills, terraced fields, and plains, as well as weeds within lawns. It has the advantages of simple operation and high working efficiency. The beautification of common schools and street green spaces that we see is all completed by these automatic walking devices. Abroad, many families use automatic walking devices to weed their gardens.

[0003] An emergency stop button is usually provided on a lawn mowing robot for operations such as power-off and shutdown of the lawn mowing robot in case of an emergency. For the convenience of users to operate quickly, the existing emergency stop buttons are usually set on the top of the body shell. Since there is relative movement between the emergency stop button itself and the shell, and the emergency stop button needs to be connected to electronic components to achieve the power-off and shutdown actions of the machine, an opening is usually provided on the shell. Due to the opening on the shell, it is easy for rainwater to enter the interior of the shell. To prevent water from entering the interior of the shell, components such as covers with sealing structures are usually provided outside or inside the shell. This also results in a complex shell structure, and when the sealing parts age after long-term use of the machine, it is not easy to ensure the sealing performance. Summary of the Invention

[0004] In view of the above technical problems, the present invention provides an emergency stop button structure and a lawn mowing robot, without opening on the surface of the shell, the integrity of the shell is better, the waterproof performance is good, and at the same time, the overall structure of the emergency stop button is simple and convenient to assemble.

[0005] To achieve the above technical objectives, the present invention adopts the following technical solutions: An emergency stop button structure is installed on a shell. An installation groove is provided on the shell, and the installation groove is a closed structure. A connection seat is provided on the inner side wall of the installation groove;

[0006] A connection arm is provided on the emergency stop button, and the connection arm is movably connected to the connection seat;

[0007] It further includes:

[0008] An elastic support member is provided between the emergency stop button and the installation groove;

[0009] A sensor and a trigger. The trigger can move along with the emergency stop button during the pressing process of the emergency stop button. The trigger can trigger the sensor to transmit a signal to a controller, and the controller controls the machine to stop or power off;

[0010] The sensor is separately arranged from the trigger.

[0011] The trigger is arranged on the emergency stop button.

[0012] The connecting seat and the installation groove are of an integrally formed structure. Among them, a connecting cavity is provided on one side wall inside the installation groove, and the connecting seats are provided on both side walls of the connecting cavity. The connecting seat includes: a guide groove, which is arranged on one side wall inside the installation groove, and the opening of the guide groove faces the opening of the connecting cavity;

[0013] A shaft hole, which is arranged at the end of the guide groove, and the end face of the shaft hole is higher than the bottom of the guide groove;

[0014] A connecting shaft is provided at the end of the connecting arm, and the connecting shaft is sleeved into the shaft hole along the guide groove.

[0015] An auxiliary rib is further arranged in the guide groove, and the auxiliary rib smoothly transitions between the end face of the shaft hole and the bottom of the guide groove.

[0016] The connecting seat is detachably connected to the installation groove.

[0017] A connecting cavity is provided on one side wall inside the installation groove, and fixing seats are provided on both sides of the connecting cavity and at the bottom of the installation groove; an installation bracket, which is arranged inside the installation groove, and installation holes are correspondingly provided at both ends of the installation bracket for the fixing seats;

[0018] A connecting bracket, which is arranged on the installation bracket;

[0019] A connecting seat, which is arranged on the connecting bracket, includes:

[0020] A guide groove, with one end open;

[0021] A shaft hole, which is arranged at the end of the guide groove, and the end face of the shaft hole is higher than the bottom of the guide groove;

[0022] A connecting shaft is provided at the end of the connecting arm, and the connecting shaft is sleeved into the shaft hole along the guide groove.

[0023] An auxiliary rib is further arranged in the guide groove, and the auxiliary rib smoothly transitions between the end face of the shaft hole and the bottom of the guide groove.

[0024] A limiting clamping protrusion is provided on one side of the emergency stop button opposite to the connecting arm; a limiting groove is provided on one side wall of the installation groove opposite to the connecting arm, and the limiting clamping protrusion can be clamped with the limiting groove.

[0025] The elastic support member is a spring, and a positioning seat hole is provided at the bottom of the installation groove; a positioning shaft is provided at the bottom of the emergency stop button;

[0026] One end of the spring is embedded into the positioning seat hole, and the other end is sleeved on the positioning shaft.

[0027] The sensor is a Hall sensor, and the trigger is a magnet or ferromagnetic material.

[0028] A lawn mowing robot uses the emergency stop button structure described above. Beneficial effects

[0029] First, there is no through-opening at the installation position of the emergency stop button on the housing of the present invention. The housing is provided with an installation groove at the emergency stop button. The emergency stop button is directly installed (or through a connecting member) in the installation groove by means of hinge. A sensor is provided on the bottom side of the housing, and a trigger is provided on the emergency stop button, maintaining the integrity of the housing without the need to use other sealing structures for sealing. At the same time, the emergency stop button can be directly assembled and connected to the housing, which is convenient for installation.

[0030] Second, it reduces the manufacturing difficulty of parts. Using the structure of the housing, connecting member and emergency stop button is convenient for assembly. Description of the drawings

[0031] Figure 1 is a schematic structural diagram of the present invention;

[0032] Figure 2 is a schematic structural diagram of the emergency stop button;

[0033] Figure 3 is an explosion schematic diagram of Embodiment 1;

[0034] Figure 4 is a schematic structural diagram of the limiting groove of Embodiment 1;

[0035] Figure 5 is a schematic structural diagram of the connecting seat of Embodiment 1;

[0036] Figure 6 is a sectional view of the installation state of Embodiment 1 Figure 1 ;

[0037] Figure 7 is a sectional view of the installation state of Embodiment 1 Figure 2 ;

[0038] Figure 8 is an explosion schematic diagram of Embodiment 2;

[0039] Figure 9 is a schematic structural diagram of the housing of Embodiment 2;

[0040] Figure 10 is a schematic diagram of the installation groove structure of Embodiment 2 Figure 1 ;

[0041] Figure 11 is a schematic diagram of the installation groove structure of Embodiment 2 Figure 2 ;

[0042] Figure 12Schematic diagram of the bottom side structure of the housing in Embodiment 2;

[0043] Figure 13 Schematic diagram of the connecting member structure in Embodiment 2;

[0044] Figure 14 Schematic diagram of the connection seat structure on the connecting member in Embodiment 2;

[0045] Figure 15 Schematic diagram of the installation state of the connecting member in Embodiment 2;

[0046] Figure 16 Is the cross-section of the installation state in Embodiment 2 Figure 1 ;

[0047] Figure 17 Is the cross-section of the installation state in Embodiment 2 Figure 2 .

[0048] The reference numerals are: 1, housing; 2, emergency stop button; 3, connecting member; 4, spring; 5, trigger; 6, sensor; 101, installation groove; 102, fixing seat; 103, connection cavity; 104, movable cavity; 105, positioning seat hole; 106, limiting groove; 107, first mounting seat; 201, connecting arm; 202, connecting shaft; 203, positioning shaft; 204, second mounting seat; 205, limiting convex; 301, mounting bracket; 302, connecting bracket; 303, connection seat; 304, mounting hole; 305, guide groove; 306, shaft hole; 307, auxiliary rib. Detailed implementation manners

[0049] Embodiment 1 is as Figure 1 shown as the outer housing of the lawn mowing robot, including a housing 1 and an emergency stop button 2 provided thereon, and the emergency stop button 2 is used for operations such as stopping the machine and cutting off the power.

[0050] Figure 2 Shown as the emergency stop button 2, including a button body provided with a logo, and a connecting arm 201, a positioning shaft 203, a second mounting seat 204 and a limiting convex 205 are provided on the button body.

[0051] As Figure 3 shown as the structure at the installation position of the emergency stop button 2 on the housing 1, an installation groove 101 is provided on the housing 1, a connection cavity 103 is provided on the inner side wall of the installation groove 101, connection seats 303 are provided on both side walls of the connection cavity 103, a connecting shaft 202 is provided at the end of the connecting arm 201 of the button body, the connecting shaft 202 is movably connected to the connection seat 303, and a positioning seat hole 105 is provided at the bottom of the installation groove 101.

[0052] As Figure 4 shown, a limiting groove 106 is provided on the side surface of the installation groove 101 opposite to the connection cavity 103.

[0053] The specific structure of the connecting seat 303 is as follows Figure 5 As shown, it includes a guide groove 305. The opening of the guide groove 305 faces the opening of the connecting cavity 103. A shaft hole 306 is provided at the end of the guide groove 305. The end face of the shaft hole 306 is higher than the bottom of the guide groove 305. An auxiliary rib 307 is also provided in the guide groove 305. The auxiliary rib 307 smoothly transitions between the end face of the shaft hole 306 and the bottom of the guide groove 305. The connecting shaft 202 can be sleeved into the shaft hole 306 along the guide groove 305 through the auxiliary rib 307.

[0054] As Figure 6 shown, when the emergency stop button 2 is installed, the connecting shaft 202 is sleeved into the shaft hole 306 on the connecting seat 303, and the limit convex 205 is embedded in the limit groove 106. A spring 4 is also provided between the emergency stop button 2 and the installation groove 101. One end of the spring 4 is embedded in the positioning seat hole 105, and the other end is sleeved on the positioning shaft 203. The spring 4 pushes up the emergency stop button 2.

[0055] As Figure 7 shown, a trigger 5 is installed at the second mounting seat 204 on the emergency stop button 2. A sensor 6 is installed on the bottom side of the housing 1. The sensor 6 is connected to the controller of the lawn mowing robot. When the emergency stop button 2 is pressed, the distance d between the trigger 5 and the sensor 6 changes. The sensor 6 transmits a signal to the controller, and the controller controls the shutdown or power-off action. Specifically, the sensor 6 can be a Hall sensor 6, and the trigger 5 can be a magnet. Pressing the emergency stop button 2 causes a relative change in the position between the magnet and the Hall sensor 6. After receiving the signal from the Hall sensor 6, the controller controls the lawn mowing robot to stop or cut off the power. It should be noted that: the trigger can be set on the emergency stop button, or can be set in the installation groove and supported by an elastic element. During the process of pressing the emergency stop button, the trigger can be driven to move.

[0056] Embodiment 2 In Embodiment 1, the connecting seat 303 is integrally formed in the housing 1, and this structure is relatively difficult to achieve in actual manufacturing. In this embodiment, as Figure 8 shown, the housing 1 and the emergency stop button 2 are connected by a connecting member 3, simplifying the structure of the housing 1.

[0057] As Figures 9 - 11 shown, an installation groove 101 is provided on the housing 1. An activity cavity 104 and a positioning seat hole 105 are provided at the bottom of the installation groove 101. A connecting cavity 103 is provided on the inner side wall of the installation groove 101. Fixed seats 102 are also provided on both sides of the connecting cavity 103 and at the bottom of the installation groove 101. A limit groove 106 is provided on the side of the installation groove 101 opposite to the connecting cavity 103.

[0058] As Figure 12 shown, a first mounting seat 107 is provided on the bottom side of the housing 1. The first mounting seat 107 is used to mount the sensor 6.

[0059] As Figure 13 shown in the structural schematic diagram of the connecting member 3, the connecting member 3 includes a mounting bracket 301 and a connecting bracket 302 arranged on the mounting bracket 301, and a connecting seat 303 is arranged on the connecting bracket 302. Mounting holes 304 are correspondingly arranged at both ends of the mounting bracket 301 for the fixed seats 102.

[0060] The structure of the connecting seat 303 is as Figure 14 shown. The connecting seat 303 includes a guide groove 305. One end of the guide groove 305 is open, and a shaft hole 306 is arranged at the other end. The end face of the shaft hole 306 is higher than the bottom of the guide groove 305. An auxiliary rib 307 is also arranged in the guide groove 305, and the auxiliary rib 307 smoothly transitions between the end face of the shaft hole 306 and the bottom of the guide groove 305. The connecting shaft 202 can be sleeved into the shaft hole 306 along the guide groove 305 through the auxiliary rib 307.

[0061] As Figure 15 shown, during installation, first, the connecting member 3 is fixedly installed at the bottom of the installation groove 101, the mounting holes 304 are aligned with the fixed seats 102, and parts such as bolts are used to pass through the mounting holes 304 and be screwed with the threaded holes on the fixed seats 102 to realize the connection between the connecting member 3 and the machine shell 1. Both the connecting bracket 302 and the connecting seat 303 on the connecting member 3 are located in the connecting cavity 103.

[0062] As Figure 16 and 17 shown, when the emergency stop button 2 is installed, the connecting arm 201 extends into the connecting cavity 103, and the connecting shaft 202 at the end of the connecting arm 201 is sleeved into the shaft hole 306 through the guide groove 305, and the emergency stop button can rotate around the connecting shaft 202. A limit convex 205 on the emergency stop button is embedded in the limit groove 106 to prevent the emergency stop button from completely disengaging from the installation groove 101. A spring 4 is also arranged between the emergency stop button 2 and the installation groove 101. One end of the spring 4 is embedded in the positioning seat hole 105, and the other end is sleeved on the positioning shaft 203. The spring 4 pushes up the emergency stop button 2.

[0063] As Figure 17 shown, a trigger 5 is installed at the second mounting seat 204 of the emergency stop button 2, and a sensor 6 is installed on the bottom side of the machine shell 1. The sensor 6 is connected to the mowing robot controller. When the emergency stop button 2 is pressed, the distance d between the trigger 5 and the sensor 6 changes, and the sensor 6 transmits a signal to the controller, and the controller controls the shutdown or power-off action. Specifically, the sensor 6 can be a Hall sensor 6, and the trigger 5 can be a magnet. Pressing the emergency stop button 2 causes a relative change in the position between the magnet and the Hall sensor 6. After receiving the signal from the Hall sensor 6, the controller controls the mowing robot to stop or cut off the power. It should be noted that: the trigger can be arranged on the emergency stop button or can be arranged in the installation groove and supported by an elastic element. During the process of pressing the emergency stop button, the trigger can be driven to move.

Claims

1. An emergency stop button structure, comprising an emergency stop button and a housing, the emergency stop button is installed on the housing, and an installation groove is provided on the housing, characterized in that, The installation groove is a closed structure, and a connection seat is arranged on the inner side wall of the installation groove; A connection arm is provided on the emergency stop button, and the connection arm is movably connected to the connection seat; It further includes: An elastic support member, arranged between the emergency stop button and the installation groove; A sensor and a trigger. The trigger can move along with the emergency stop button during the pressing process of the emergency stop button. The trigger can trigger the sensor to transmit a signal to the controller, and the controller controls the machine to stop or cut off the power supply; The sensor and the trigger are separately arranged; The trigger is arranged on the emergency stop button; A limiting clamping protrusion is arranged on one side of the emergency stop button opposite to the connection arm; A limiting groove is arranged on the side wall of the installation groove opposite to the connection arm, and the limiting clamping protrusion can be clamped with the limiting groove; The sensor is a Hall sensor, and the trigger is a magnet.

2. The emergency stop button structure according to claim 1, wherein The connection seat and the installation groove are of an integrally formed structure. Among them, a connection cavity is arranged on one side wall inside the installation groove, and the connection seats are arranged on both side walls of the connection cavity. The connection seat includes: a guide groove, arranged on one side wall inside the installation groove, and the opening of the guide groove faces the opening of the connection cavity; A shaft hole, arranged at the end of the guide groove, and the end face of the shaft hole is higher than the bottom of the guide groove; A connection shaft is arranged at the end of the connection arm, and the connection shaft is sleeved into the shaft hole along the guide groove.

3. The emergency stop button structure according to claim 2, characterized in that, An auxiliary rib is further arranged in the guide groove, and the auxiliary rib smoothly transitions between the end face of the shaft hole and the bottom of the guide groove.

4. The emergency stop button structure according to claim 1, characterized in that, The connection seat is detachably connected to the installation groove.

5. The emergency stop button structure according to claim 4, characterized in that, A connection cavity is arranged on one side wall inside the installation groove, and fixing seats are arranged on both sides of the connection cavity and at the bottom of the installation groove; An installation bracket is arranged inside the installation groove, and installation holes are correspondingly arranged at both ends of the installation bracket for the fixing seats; A connection bracket is arranged on the installation bracket; A connection seat is arranged on the connection bracket, and includes: A guide groove, with one end open; A shaft hole, arranged at the end of the guide groove, and the end face of the shaft hole is higher than the bottom of the guide groove; A connection shaft is arranged at the end of the connection arm, and the connection shaft is sleeved into the shaft hole along the guide groove.

6. The emergency stop button structure according to any one of claims 1 to 5, characterized in that, The elastic support member is a spring, and a positioning seat hole is arranged at the bottom of the installation groove; A positioning shaft is arranged at the bottom of the emergency stop button; One end of the spring is embedded into the positioning seat hole, and the other end is sleeved on the positioning shaft.

7. A lawn mowing robot, using the emergency stop button structure according to claim 1.

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