WO2021115004A1

WO2021115004A1 - Self-moving gardening apparatus

Info

Publication number: WO2021115004A1
Application number: PCT/CN2020/128025
Authority: WO
Inventors: 孙佩锋; 杜江
Original assignee: 苏州宝时得电动工具有限公司
Priority date: 2019-12-13
Filing date: 2020-11-11
Publication date: 2021-06-17

Abstract

A self-moving gardening apparatus (1), which comprises a machine body (11) and a grass trimming mechanism (12) installed on the machine body (11), wherein the grass trimming mechanism (12) comprises a rotary shaft (151) and a cutting device (122) installed on the rotary shaft (151). The self-moving gardening apparatus further comprises a telescopic mechanism (14) arranged on the machine body (11) and used for driving the grass trimming mechanism (12), wherein the machine body (11) is provided with a groove (111) and an actuating member (112) capable of being inserted into the groove (111); and when the actuating member (112) is inserted into the groove (111), the telescopic mechanism (14) is driven to deform or move, such that the telescopic mechanism (14) drives the grass trimming mechanism (12) to move into the machine body (11), and after the actuating member (112) is pulled out of the groove (111), the telescopic mechanism (14) drives the grass trimming mechanism (12) to move out of the machine body (11). The self-moving gardening apparatus (1) further comprises a protection mechanism (13) arranged on the outside of the cutting device (122), wherein after pressure is applied to the protection mechanism (13), the protection mechanism drives the cutting device (122) to move and makes the telescopic mechanism (14) undergo deformation; and after the pressure on the protection mechanism (13) is removed, the telescopic mechanism (14) drives the grass trimming mechanism (12) to return to a first position. The self-moving gardening apparatus (1) has a high safety performance, is simple to operate, is labor-saving, has a better mowing effect and fully meets the requirements of a user.

Description

Self-moving gardening equipment

This application claims the priority of the Chinese patent applications whose application date is December 13, 2019, and the application numbers are 201911278682.1 and 201922230043.X, the entire contents of which are incorporated into this application by reference.

Technical field

The invention relates to a grass cutting mechanism and mobile equipment.

Background technique

Existing lawn mowers are mainly used in garden decoration pruning, grass greening pruning, urban streets, greening attractions, pastoral pruning, field weeding, especially grassland in parks and grasslands, football fields and other grass fields, private villa gardens, As well as the trimming of the vegetation of the farming, forestry and livestock pastures, it can also be used in the autumn harvest.

The mower disc of the lawn mower is generally arranged on the chassis of the lawn mower, so that the chassis of the lawn mower completely covers the mower disc. When the lawn is trimmed, the range of the mowing is the width of the lawn mower. In order to ensure that the lawn mower can cut at the edge of the lawn, a mowing device is arranged on one side of the lawn mower. However, when the existing grass trimming device encounters an obstacle, it cannot smoothly cross the obstacle to cut. In addition, in order to improve operational safety, it is necessary to retract the inoperative mowing device into the lawn mower, and when it is necessary to work, the mowing device protrudes out of the lawn mower. For this reason, it is very necessary to design a self-moving gardening equipment that can be controlled by the user through operation, and can avoid obstacles when encountering obstacles, and at the same time, can completely cut grass on the edges of obstacles.

Summary of the invention

The object of the present invention is to provide a self-moving gardening equipment that can be controlled by a user through operation, and can avoid obstacles when encountering obstacles, and at the same time, can completely cut grass at the edges of obstacles.

In order to achieve the above objective, the present invention provides the following technical solution: a self-moving gardening equipment, including

A body; a walking module installed on the body; a grass cutting mechanism installed on the body, the grass cutting mechanism includes a rotating shaft that transmits power and a cutting device mounted on the rotating shaft, the cutting The device includes a mowing rope or a cutting blade; a control module for controlling the walking module and the mowing mechanism; the self-moving gardening equipment also includes a protection mechanism installed on the body and located outside the cutting device And a telescopic mechanism installed on the fuselage and driving the grass trimming mechanism to be maintained at the first position. The protective mechanism drives the grass trimming mechanism to move after being pressed and causes the telescopic mechanism to deform. After the pressure on the mechanism is removed, the telescopic mechanism drives the grass trimming mechanism to return to the first position; the body is provided with a groove and an actuator that can be inserted into the groove, and the actuator When the actuator is inserted into the groove, the telescopic mechanism is driven to deform or move, causing the telescopic mechanism to drive the grass cutting mechanism to move into the body; after the actuator is pulled out of the groove , The telescopic mechanism drives the grass trimming mechanism to move outside the fuselage; when the actuating member is inserted into the groove, the telescopic mechanism drives the grass trimming mechanism to be recovered into the fuselage, so After the actuating member is pulled out of the groove, the telescopic mechanism drives the grass trimming mechanism to protrude out of the body; the actuating member is a remote control for controlling the self-moving gardening equipment; The telescopic mechanism is an elastic member.

Further, the protection mechanism is arranged on the outside of the cutting device, and the protection mechanism includes at least part of a circular or quasi-circular housing.

Further, the shell is surrounded by iron wires.

Further, the telescopic mechanism further includes a first rod body and a second rod body.

Further, the protection mechanism includes a first protection rod fixed on the first rod body and a second protection rod fixed on the second rod body, and the first protection rod and the second protection rod are arranged opposite to each other. The two sides of the cutting device.

Further, the end of the first protection rod that is not connected to the first rod body and the end of the second protection rod that is not connected to the second rod body both face the device to be cut.

Further, one end of the first rod is movably connected with the grass trimming mechanism, the other end is movably connected with the body, one end of the second rod is movably connected with the grass trimming mechanism, and the other end is movably connected with the grass trimming mechanism. The fuselage is movably connected, and the two ends of the elastic member are respectively connected with the first rod body and the second rod body.

Further, the self-moving gardening equipment further includes a driving wheel installed on the body and used to transmit power, a driven wheel arranged coaxially with the rotating shaft, and a driven wheel tensioned between the driving wheel and the driven wheel. Between the transmission belts.

Further, the self-moving gardening equipment further includes a cutting motor for driving the rotation shaft to rotate.

The present invention also provides a self-moving gardening work system. The self-moving gardening work system includes the self-moving gardening equipment, the self-moving gardening equipment includes a remote control for a user to operate and generate a control signal, and the remote control includes A telescopic control unit, the telescopic control unit controls the mowing mechanism to move inside the fuselage or move outside the fuselage.

The beneficial effects of the present invention are:

The actuator is inserted into the groove to drive the telescopic mechanism to deform or move, causing the telescopic mechanism to drive the mowing mechanism to move into the fuselage; after the actuator is pulled out of the groove, the telescopic mechanism drives the mowing mechanism to the machine. When moving outside, the user controls the state of the grass trimming mechanism by inserting or pulling out the actuating member to improve the safety performance of the equipment;

In the working state, when the protection mechanism provided on the periphery of the grass cutting mechanism encounters an obstacle, the grass cutting mechanism is driven to retract inward through the cooperation of the protection mechanism and the telescopic mechanism, and the obstacle can be easily crossed, and at the same time, the grass at the edge of the obstacle can be removed. Fully cut. The device is simple to operate, labor-saving, better mowing effect, and fully meets the needs of users.

The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly and implement it in accordance with the content of the description, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

Description of the drawings

Figure 1 is a schematic structural diagram of a self-moving gardening device according to an embodiment of the present invention, with the grass trimming mechanism in working state;

Fig. 2 is a schematic structural diagram of the self-moving gardening equipment shown in Fig. 1 in another state, and the grass trimming mechanism is in a retracted state;

Figure 3 is a cross-sectional view of the grass trimming mechanism in Figure 1 when it is in a retracted state;

Figure 4 is a cross-sectional view of the grass trimming mechanism in Figure 1 when it is in working condition;

Figure 5 is a schematic diagram of the grass trimming mechanism shown in Figure 3 when it is in a retracted state;

Figure 6 is a schematic diagram of the grass trimming mechanism shown in Figure 4 when it is in working condition;

FIG. 7 is a schematic diagram of part of the structure in FIG. 6;

FIG. 8 is a schematic diagram of a part of the structure in FIG. 7;

Figure 9 is a schematic diagram of the grass trimming mechanism of the second structure, the trimming mechanism is in a retracted state;

Figure 10 is a schematic diagram of the grass trimming mechanism of the second structure when it is in working condition;

Figure 11 is a schematic diagram of the third structure of the mowing mechanism, the mowing mechanism is in working state;

Figure 12 is a schematic diagram of the third structure of the grass trimming mechanism when it is in the retracted state.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated position or positional relationship is based on the position or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the mechanism or element referred to must have a specific orientation or a specific orientation. The structure and operation cannot therefore be understood as a limitation of the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that the terms "installed", "connected", and "connected" should be understood in a broad sense unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present invention can be understood in specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Please refer to Figures 1 to 2, the self-moving gardening equipment that moves and works in the work area shown in the present invention. The self-moving gardening equipment includes lawn mowers, smart equipment, walking devices, etc. Take the mobile gardening equipment as an example to introduce in detail. The self-moving gardening equipment includes a main body 11, a walking module 300 installed on the main body, and a control module (not shown) for controlling the walking module 300 and the grass trimming mechanism 12. And a mowing mechanism 12 installed at the bottom of the side of the fuselage 11 and used to cut the edge lawn 400.

Referring to FIGS. 3 to 6, the self-moving gardening device 1 further includes a protection mechanism 13 arranged on the outside of the grass trimming mechanism 12 and a telescopic mechanism 14 provided on the body 11 and driving the grass trimming mechanism 12 to maintain the first position. The body 11 is provided with a groove 111 and an actuating member 112 that can be inserted into the groove 111. The actuating member 112 is a remote controller for controlling the self-moving gardening device 1. When the actuating member 112 is inserted into the groove 111, the telescopic mechanism 14 is driven to deform or move, causing the telescopic mechanism 14 to drive the grass trimming mechanism 12 to move into the fuselage; the actuating member 112 is pulled out After the groove 111, the telescopic mechanism 14 drives the grass trimming mechanism 12 to move outside the fuselage. Specifically, when the actuating member 112 is inserted into the groove 111, the telescopic mechanism 14 drives the grass trimming mechanism 12 to be recovered into the body 11, and the actuating member 112 is pulled out. After the groove 111 is described, the telescopic mechanism 14 drives the grass trimming mechanism 12 to protrude out of the body 11, and this state is the working state of the grass trimming mechanism 12.

When the grass trimming mechanism 12 is working, the guard mechanism 13 is pressed to drive the trimming mechanism 12 to move and deform the telescopic mechanism 14. After the pressure on the guard mechanism 13 is removed, the telescopic mechanism 14 drives the trimming mechanism 12 to return to the first position. position. The first position is defined as the farthest position where the cutting device can be deployed, as shown in FIG. 6 where the grass cutting mechanism 12 is away from the body 11.

The cutting mechanism 12 includes a rotating shaft 151 that transmits power and a cutting device 122 mounted on the rotating shaft 151 and driven to rotate by the rotating shaft 151. The cutting device 122 includes a rotating frame 1221 fixedly mounted on the rotating shaft 151 and a cutting tool 1222 mounted on the rotating frame 1221. The cutting tool 1222 may be a mowing rope or a cutting blade. In this embodiment, the protection mechanism 13 is arranged on the outside of the cutting device 122, and the protection mechanism 13 includes an at least partially circular or quasi-circular housing. Specifically, the protection mechanism 13 is a round-shaped housing surrounded by iron wires.

A cutting motor 15 is arranged above the cutting device 122. The motor shaft 151 of the cutting motor 15 is arranged vertically downward. The motor shaft 151 passes through the protection mechanism 13 and is inserted into the center of the rotating frame 1221 to be fixedly connected to the rotating frame 1221. In this embodiment, the cutting tool 1222 is directly connected by the motor shaft 151 and driven to rotate, so the motor shaft 151 is the rotating shaft 151.

A mounting frame 16 is arranged above the cutting mechanism 12, the cutting motor 15 is fixed in the mounting frame 16, and the protection mechanism 13 is fixed at the lower end of the mounting frame 16. The cutting mechanism 12 and the mounting frame 16 are connected by a motor shaft 151 to make the cutting The mechanism 12 only rotates relative to the mounting frame 16. The mounting frame 16 allows the cutting motor 15, the protection mechanism 13, and the grass trimming mechanism 12 to be modularized and moved synchronously.

The telescopic mechanism 14 includes an elastic member 141, a first rod 142 and a second rod 143. One end of the first rod 142 is movably connected with the protection mechanism 13 or the grass cutting mechanism 12, the other end is movably connected with the fuselage 11, one end of the second rod 143 is movably connected with the protection mechanism 13 or the grass cutting mechanism 12, and the other end is movably connected with the fuselage 11 movably connected, the two ends of the elastic member 141 are respectively connected with the first rod 142 and the second rod 143. In this embodiment, both the first rod body 142 and the second rod body 143 are connected with the grass trimming mechanism 12 to facilitate the overall installation. It is worth noting that in this embodiment, the connection with the grass trimming mechanism 12 is the connection with the mounting frame 16. Specifically, the elastic member 141 is a spring 141, the first rod 142 includes a first section 1421 and a second section 1422 connected by a second pin 1424, and the second rod 143 includes a third section 1431 and a second section 1431 connected by a fifth pin 1434. Four paragraphs 1432. The structure composed of the first section 1421, the second section 1422, the third section 1431 and the fourth section 1432 is a hinge-like four-bar structure. The end of the first section 1421 away from the second section 1422 is connected to the mowing mechanism 12 with a third pin 1425, the end of the second section 1422 away from the first section 1421 is connected to the fuselage 11 with a first pin 1423, and the third section 1431 is far away One end of the fourth section 1432 is connected to the grass trimming mechanism 12 with a sixth pin 1435, and one end of the fourth section 1432 away from the third section 1431 is connected to the fuselage 11 with a fourth pin 1433. Two ends of the spring 141 are connected to the second section 1422 and the fourth section 1432 respectively.

In other embodiments, the telescopic mechanism, the protection mechanism and the fuselage can be connected in a manner that one end of the first rod is slidably connected to the protection mechanism, the other end is hingedly connected to the fuselage, and one end of the second rod is slidably connected to the protection mechanism , The other end is hingedly connected to the fuselage; or one end of the first rod is hingedly connected to the protection mechanism, the other end is slidably connected to the fuselage, and one end of the second rod is hingedly connected to the protection mechanism, and the other end is slidably connected to the fuselage; or Both ends of the rod body are slidably connected to the protection mechanism and the fuselage, and both ends of the second rod body are slidably connected to the protection mechanism and the fuselage.

When the self-moving gardening equipment 1 is in the working state, the protective mechanism 13 moves along the direction of the pressure exerted on the protective mechanism 13 by the obstacle, which drives the telescopic mechanism 14 to deform and avoid the obstacle. After the protective mechanism 13 crosses the obstacle, the telescopic mechanism 14 recovers In the original state, the driving grass cutting mechanism 12 is restored to the first position. In detail, when the protection mechanism 13 does not encounter an obstacle, the telescopic mechanism 14 drives the mowing mechanism 12 to maintain the first position. When the protection mechanism 13 encounters an obstacle, the obstacle exerts pressure on the protection mechanism 13, and the protection mechanism 13 moves, which drives the mowing mechanism 12 and the mounting frame 16 to move synchronously, and the telescopic mechanism 14 is deformed. Specifically, referring to Fig. 7, the protection mechanism 13 encounters an obstacle at A and is applied with a force in the direction a. The protection mechanism 13 moves in the direction a, and the third pin 1425 and the sixth pin 1435 move in the direction a. That is, the grass trimming mechanism 12 moves in the a direction. At this time, the second section 1422 takes the first pin 1423 as a fixed point and rotates in the b direction, and the second pin 1424 takes the first pin 1423 as a fixed point and rotates in the b direction. The fourth section 1432 uses the fourth pin 1433 as a fixed point and rotates in the c direction, and the fifth pin 1434 uses the fourth pin 1433 as a fixed point and rotates in the c direction. At this time, the spring is stretched, and the grass cutting mechanism 12 moves into the body 11 to avoid obstacles. After the protection mechanism 13 has crossed the obstacle, please refer to Figure 8. The protection mechanism 13 is applied with the force along the a direction to disappear, and the spring in the stretched state returns to its original shape, driving the second section 1422 to use the first pin 1423 as a fixed point and move toward d. Turning in the direction, the second pin 1424 uses the first pin 1423 as a fixed point and rotates in the d direction. The fourth section 1432 uses the fourth pin 1433 as a fixed point and rotates in the e direction, and the fifth pin 1434 uses the fourth pin 1433 as a fixed point and rotates in the e direction. The second pin 1424 drives the third pin 1425 to move in the f direction, the fifth pin 1434 drives the sixth pin 1435 to move in the f direction, and the grass trimming mechanism 12 moves in the f direction to the first position. The protective mechanism 13 can encounter obstacles at any position.

5 and 6, the first rod 142 is formed with a first clamping portion 1426 extending into the groove 111, and the second rod 143 is formed with a second clamping portion extending into the groove 111 1436. When the actuating member 112 is inserted into the groove 111, it interferes with the first clamping portion 1426 and the second clamping portion 1436. The first clamping portion 1426 is formed at the end of the first rod 142 connected to the main body 11, and the second clamping portion 1436 is formed at the end of the second rod 143 connected to the main body 11.

Specifically, the first clamping portion 1426 is formed at one end of the second section 1422 connected to the body 11, and the first clamping portion 1426 and the second section 1422 rotate in opposite directions with the first pin 1423 as a fixed point; The portion 1436 is formed at one end of the fourth section 1432 connected to the body 11, and the second clamping portion 1436 and the fourth section 1432 rotate in opposite directions with the fourth pin 1433 as a fixed point. Before the actuating member 112 is inserted into the groove 111, the grass cutting mechanism 12 is in the first position. When the actuating member 112 is inserted into the groove 111, please refer to FIG. The second clamping portion 1436 forms an interference. The first clamping portion 1426 rotates in the g direction with the first pin 1423 as a fixed point, and the second section 1422 rotates in the b direction with the first pin 1423 as a fixed point; The fourth pin 1433 rotates in the h direction at a fixed point, and the fourth section 1432 rotates in the c direction with the fourth pin 1433 as the fixed point. The deformation of the telescopic mechanism 14 is the same as that of the telescopic mechanism 14 when the protection mechanism 13 encounters an obstacle at A. I won't repeat them here. The deformation of the telescopic mechanism 14 drives the mowing mechanism 12 to move in the a direction. After the actuator 112 is completely inserted into the groove 111, the grass trimming mechanism 12 is retracted into the body 11, as shown in FIGS. 3 and 5 in the retracted state of the grass trimming mechanism 12. When the grass cutting mechanism 12 is not working, the grass cutting mechanism 12 is retracted into the fuselage 11 to ensure safety performance. When the actuator 112 is pulled out of the groove 111, please refer to FIG. 8. The first clamping portion 1426 rotates in the i direction with the first pin 1423 as a fixed point, and the second section 1422 rotates in the d direction with the first pin 1423 as a fixed point; The second clamping portion 1436 rotates in the j direction with the fourth pin 1433 as a fixed point, and the fourth section 1432 rotates in the e direction with the fourth pin 1433 as a fixed point. The deformation of the telescopic mechanism 14 and the protective mechanism 13 after crossing the obstacle, the telescopic mechanism 14 The deformation of is the same, so I won't repeat it here. The deformation of the telescopic mechanism 14 drives the mowing mechanism 12 to move in the f direction. After the actuating member 112 is completely pulled out of the groove 111, the grass trimming mechanism 12 moves in the f direction and protrudes out of the body 11, as shown in FIG. 4 and FIG. 6 in the working state of the grass trimming mechanism 12.

By providing the groove 111 and the actuating member 112 that can be inserted into the groove 111, the actuating member 112 is matched with the first clamping portion 1426 of the first rod body 142 and the second clamping portion 1436 of the second rod body 143 The state of controlling the grass cutting mechanism 12 is realized, so that when the grass cutting mechanism 12 does not need to work, it can be retracted into the lawn mower, which improves the operation safety.

In addition to the above-mentioned structure (self-moving gardening equipment 1 of the first structure), the self-moving gardening equipment can also be modified as follows.

9 and 10, the difference between the self-moving gardening device 2 of the second structure and the self-moving gardening device 1 of the first structure is: a telescopic mechanism and a protective mechanism.

The telescopic mechanism 24 of the second structure includes an elastic member 241, a first rod 242 and a second rod 243. One end of the first rod 242 is connected to the body 21 by a first pin 2421, the second rod 243 has a first end 2432 and a second end 2433, and the first end 2432 of the second rod 243 is connected to the machine by a second pin 2431. On the body 21, the second end 2433 of the second rod body 243 is slidably connected with the first rod body 242, and the structure formed by the first rod body 242 and the second rod body 243 is a crank-like slider mechanism. Specifically, the first rod body 242 is provided with a sliding groove 2422, the sliding groove 2422 extends along the longitudinal direction of the first rod body 242, the second end 2433 of the second rod body 243 is fixedly provided with a slider 2434, and the slider 2434 is arranged at The sliding groove 2422 and sliding in the sliding groove 2422. The slider 2434 slides in the sliding groove 2422, drives the first rod 242 to rotate with the first pin 2421 as a fixed point, and drives the second rod 243 to rotate with the second pin 2431 as a fixed point. The sliding of the slider 2434 takes the second pin 2431 as a fixed point. Rotate. It is true that in other embodiments, the second end of the second rod is fixedly provided with a sleeve, the sleeve is sleeved on the first rod, and the sleeve can reciprocately slide along the longitudinal direction of the first rod to drive the second rod. Taking the second pin as a fixed point to rotate while driving the first rod body to rotate with the first pin as a fixed point.

The second end 2433 of the second rod body 243 is also connected to the grass trimming mechanism 22. Specifically, the grass trimming mechanism 22 can be fixedly connected to the slider 2434.

In this embodiment, one end of the elastic member 241 is connected to the first rod body 242 or the second rod body 243, and the other end is connected to the body 21. Specifically, the elastic member 241 is a spring 241, and one end of the spring 241 is fixedly connected to the slider 2434. The other end is connected to the body 21. In other embodiments, the elastic member can also be fixed on the first rod body at one end and fixed on the second rod body at the other end.

The protection mechanism 23 includes a first protection rod 231 fixedly formed on the first rod body 242 and a second protection rod 232 fixedly formed on the second rod body 243. The angle formed between the first protection rod 231 and the first rod body 242 Fixed and unchanged, the angle formed between the second protection rod 232 and the second rod body 243 is fixed and unchanged. In this embodiment, the first rod 242 and the first protection rod 231 are integrally formed, and the second rod 243 and the second protection rod 232 are integrally formed.

The first protection rod 231 and the second protection rod 232 are oppositely arranged on both sides of the cutting device 222, the end of the first protection rod 231 not connected to the first rod body 242, and the end of the second protection rod 232 not connected to the second rod body 243 Both face the cutting device 222. The end of the first protection rod 231 not connected to the first rod body 242 and the end of the second protection rod 232 not connected to the second rod body 243 are respectively bent toward the cutting device 222 to form a first The curved portion 2311, the second curved portion 2321. The first curved portion 2311 and the second curved portion 2321 are respectively provided with a first pulley 2312 and a second pulley 2322.

The self-moving gardening device 2 of the second structure can also be provided with the same groove 211 as the first embodiment on the body 21 and the actuator 212 that can be inserted into the groove 211, and correspondingly, the first rod 242 A first clamping portion (not shown) extending into the groove 211 is formed on the upper part, and a second clamping portion (not shown) extending into the groove 211 is formed on the second rod 243 to actuate When the member 212 is inserted into the groove 211, it interferes with the first clamping portion and the second clamping portion, so that the telescopic mechanism 24 drives the mowing mechanism 23 to retract into the body 21; after the actuating member 212 is pulled out of the groove 211 , The telescopic mechanism 24 drives the grass trimming mechanism 22 to protrude out of the fuselage 21.

In the working state of the self-moving gardening equipment 2 of the second structure, as shown in FIG. 10, the protective mechanism 23 touches an obstacle at B and is applied with a force along the k direction. The first protective rod 231 is The pin 2421 rotates in the k direction at a fixed point, drives the first rod 242 to rotate in the k direction with the first pin 2421 as a fixed point, and drives the second rod 243 to rotate in the l direction with the second pin 2431 as a fixed point. Block 2434 rotates synchronously. At this time, the spring 241 is compressed, and the grass trimming mechanism 22 is retracted from the first position to the fuselage 21 to avoid obstacles. After the protection mechanism 23 crosses the obstacle, as shown in FIG. 9, the first protection rod 231 is applied with the force along the k direction and disappears, and the spring 241 in the compressed state returns to its original shape, driving the slider 2434 and the grass cutting mechanism 22 to the second The pin 2431 rotates in the m direction at a fixed point, and the first rod body 242 and the first protection rod 231 rotate in the n direction with the first pin 2421 as a fixed point until the grass trimming mechanism 22 returns to the first position. Any position of the first protection rod 231 and the second protection rod 232 can encounter obstacles.

Please refer to Figures 11 and 12, the difference between the self-moving gardening equipment 3 of the third structure and the self-moving gardening equipment 1 of the first structure is that a transmission device and a different structure are added between the cutting mechanism and the cutting motor. Telescopic mechanism.

The cutting motor 35 is installed on the body 31, and the motor shaft (not shown) of the cutting motor 35 is arranged vertically downward. The driving wheel 352 for transmitting power is coaxially fixed on the motor shaft, and the rotating shaft (not shown) ) A driven wheel 353 is provided coaxially, and a tensioned transmission belt 354 is provided between the driving wheel 352 and the driven wheel 353. The driving wheel 352, the driven wheel 353, and the transmission belt 354 form a transmission device, which transmits the power of the cutting motor 35 to a cutting device (not shown) to rotate it for mowing work. A protective shell 355 is provided on the periphery of the transmission device. In other embodiments, the transmission device may also have other structures, such as a gear transmission device, which meshes with the gear to transmit the power of the cutting motor to the cutting device.

The protection mechanism (not shown) is fixed between the driven wheel 353 and the cutting device, the rotating shaft passes through the protection mechanism, and the cutting device only rotates relative to the protection mechanism. One end of the protective shell 355 connected to the cutting motor 35 can rotate relative to the cutting motor 35.

The telescopic mechanism 34 is only an elastic member 34. One end of the elastic member 34 is fixed on the body 31, and the other end is fixed on the protection mechanism. In this embodiment, the elastic member 34 is a spring 34. The protective shell 355 is connected. In other embodiments, the other end of the elastic member may not be connected to the protection mechanism, but to the grass trimming mechanism. A limit rod 36 with one end fixed to the main body 31 is provided at the lower end of the spring 34 in the expansion and contraction direction to limit the retracting degree of the grass trimming mechanism 34.

Referring to Figure 11, when the self-moving gardening equipment 3 shown in this embodiment is working, the protective mechanism encounters an obstacle somewhere, the protective mechanism is applied with a force in the o direction, and the spring 34 is compressed in the o direction to drive the grass The mechanism 32 moves in the o direction, and the grass trimming mechanism 32 is retracted from the first position to the fuselage 31 to avoid obstacles. For the retracted state, please refer to Figure 12. After the protective mechanism has crossed the obstacle, the force exerted by the protective mechanism in the o direction disappears, and the spring 34 in the compressed state returns to its original state, driving the mowing mechanism 32 to move in the p direction until The grass trimming mechanism 32 is restored to the first position. Any position of the protective mechanism can encounter obstacles.

The selection of the mechanism in the self-moving gardening equipment with the above three structures is not limited to the embodiment. For example, the protection mechanism in the self-moving gardening equipment with the second structure may adopt the protection mechanism in the self-moving gardening equipment with the first structure. In addition, the self-moving gardening equipment may not be equipped with a cutting motor, and when the self-moving gardening equipment is installed on a lawn mower for use, it can be driven by the motor on the lawn mower.

In summary, the self-moving gardening equipment provided by the present invention is inserted into the groove through the actuating member, and the telescopic mechanism is driven to deform or move, so that the telescopic mechanism drives the mowing mechanism to move into the fuselage; the actuating member is pulled out. After the groove, the telescopic mechanism drives the grass cutting mechanism to move outside the fuselage, and the user controls the state of the grass cutting mechanism by inserting or pulling out the actuating member to improve the safety performance of the equipment;

The technical features of the above embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be It is considered as the range described in this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and their description is relatively specific and detailed, but they should not be understood as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

A self-moving gardening equipment, including

body;

A walking module installed on the fuselage;

A grass cutting mechanism installed on the fuselage, the grass cutting mechanism including a rotating shaft that transmits power and a cutting device installed on the rotating shaft, the cutting device including a cutting rope or a cutting blade;

A control module for controlling the walking module and the grass trimming mechanism; characterized in that:

The self-moving gardening equipment also includes a protection mechanism installed on the body and located outside the cutting device, and a telescopic mechanism installed on the body and driving the grass trimming mechanism to be maintained in a first position. After the mechanism is pressurized, the grass trimming mechanism is driven to move and the telescopic mechanism is deformed. After the pressure on the protection mechanism is removed, the telescopic mechanism drives the trimming mechanism to return to the first position;

The body is provided with a groove and an actuating member that can be inserted into the groove. When the actuating member is inserted into the groove, the telescopic mechanism is driven to deform or move, causing the telescopic mechanism to be deformed or moved. The mechanism drives the grass trimming mechanism to move into the fuselage; after the actuating member is pulled out of the groove, the telescopic mechanism drives the grass trimming mechanism to move outside the fuselage;

When the actuating member is inserted into the groove, the telescopic mechanism drives the grass trimming mechanism to be recovered into the fuselage. After the actuating member is pulled out of the groove, the telescopic mechanism Driving the grass trimming mechanism to protrude out of the fuselage;

The actuating member is a remote controller used to control the self-moving gardening equipment; the telescopic mechanism is an elastic member.
The self-moving gardening equipment according to claim 1, wherein the protection mechanism is arranged on the outside of the cutting device, and the protection mechanism includes at least a part of a circular or quasi-circular housing.
The self-moving gardening equipment according to claim 2, wherein the housing is surrounded by iron wires.
The self-moving gardening equipment according to claim 1, wherein the telescopic mechanism further comprises a first rod body and a second rod body.
4. The self-moving gardening equipment according to claim 4, wherein the first rod body is movably connected with the second rod body, and the cutting device is fixed to the first rod body.
The self-moving gardening equipment according to claim 5, wherein the protection mechanism comprises a first protection rod fixed on the first rod body and a second protection rod fixed on the second rod body, so The first protection rod and the second protection rod are oppositely arranged on both sides of the cutting device.
The self-moving gardening equipment according to claim 6, wherein the end of the first protection rod that is not connected to the first rod body and the end of the second protection rod that is not connected to the second rod body all face the device to be cut. .
The self-moving gardening equipment of claim 4, wherein one end of the first rod is movably connected with the grass trimming mechanism, the other end is movably connected with the body, and one end of the second rod is movably connected with the The grass trimming mechanism is movably connected, the other end is movably connected to the body, and the two ends of the elastic member are respectively connected to the first rod body and the second rod body.
The self-moving gardening equipment according to claim 1, wherein the self-moving gardening equipment further comprises a driving wheel installed on the body and used to transmit power, and a slave coaxially arranged with the rotating shaft A driving wheel and a transmission belt tensioned between the driving wheel and the driven wheel.
The self-moving gardening equipment according to claim 1, wherein the self-moving gardening equipment further comprises a cutting motor for driving the rotation shaft to rotate.
A self-moving gardening work system, wherein the self-moving gardening work system comprises the self-moving gardening equipment according to any one of claims 1-9, and the self-moving gardening equipment includes a control signal for user operation The remote controller includes a telescopic control unit, and the telescopic control unit controls the grass cutting mechanism to move inward or out of the fuselage.