CN212461493U - Power switch and automatic walking equipment - Google Patents

Abstract

A power switch and an automatic walking device. The utility model discloses seted up the keyway on the inner wall of mount pad, can lead to the key through this keyway for the key triggers automatic walking equipment to open when rotatory to the open position in the keyway, makes the key rotatory to keep automatic walking equipment to close when storage position. The utility model discloses a keyway will open the position and set up respectively on two directions with storage position, can the person of facilitating the use distinguish the direction of rotation of key, avoid the maloperation. Furthermore, the utility model discloses can also pass through the design of keyway for the user must inwards push the key and just can operate the key and reach the open position, therefore the security of the automatic walking equipment of improvement that can be further.

Description

Power switch and automatic walking equipment

Technical Field

The utility model relates to a garden instrument field particularly relates to a switch and automatic walking equipment.

Background

On automatic walking equipment such as intelligent mowing robot, need to set up switch for switch on or turn off the main power. The existing power switch usually adopts a key form, the key is keyed into a mounting seat with a key slot, and the key is rotated to toggle a switch in the mounting seat, so that the power supply is triggered to be switched on or off.

During transportation of the self-propelled device, the power switch needs to be kept off. When the existing key rotates to a position for closing a power switch, the key cannot be always fixed in the mounting seat. Therefore, the existing automatic walking equipment is easy to fall off and lose keys in the transportation process. Similarly, in the key triggering mode, after the power switch is turned off after the automatic walking equipment is operated, the user needs to take the key, which is also easy to cause the key to be lost.

Utility model patent No. US9218924 discloses a switch key structure, which comprises three rotational positions of LIVE, OFF and STORAGE. When the key is in the STORAGE position, the key may be secured in the keyway without falling out while keeping the power supply off. However, since the STORAGE position is between the LIVE position and the OFF position, and the key is turned from the OFF position to the LIVE position and the STORAGE position in the same direction of rotation, the distinction can only be made by the user's hand or by observing the angle of rotation of the key. It is difficult for the user to clearly distinguish between the LIVE and STORAGE locations. Therefore, it is easy for the user to rotate the key that should be rotated to the store position to the LIVE position, or to rotate the key that should be rotated to the LIVE position to the store position. The power switch is easy to be operated by a user by mistake to trigger the automatic walking equipment to be started under an improper condition, so that potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art not enough, provide a switch and automatic walking equipment, the utility model discloses a keyway will trigger the open position of automatic walking equipment operation and keep the storage position setting that automatic walking equipment closed on the direction of two differences, set up and deviate from each other between the two positions to prevent that the user from leading to the maloperation owing to can't accurately distinguish two positions. The utility model discloses specifically adopt following technical scheme.

First, in order to achieve the above object, there is provided a power switch for an automatic walking device, including: a key; a keyway comprising an open position and a storage position; the key is inserted into the key slot and can trigger an electrical switch of the automatic walking equipment when rotating to an opening position; the automatic walking equipment is closed when the key is inserted into the key slot and rotates to the storage position; the key is rotated in a direction opposite to the direction of rotation to the open position and to the storage position.

Optionally, the power switch is configured to be turned to the storage position along a key slot direction, and the key is inserted into the key slot and rotated to the storage position along the key slot direction.

Optionally, the power switch as described in any one of the above, wherein the key slot includes a plug guide slot disposed at a top entrance position thereof, the plug guide slot being located between the open position and the storage position.

Optionally, the power switch as described above, wherein when the key is inserted into the key slot and rotated to the storage position or the open position along the key slot direction, the key can be kept at the storage position or the open position and cannot be directly pulled out along the direction of the insertion guide slot.

Optionally, the power switch as described in any one of the above, wherein the key comprises: a rocker; the knob is arranged at the top end of the rocker; the pressing part is arranged at the bottom end of the rocker and used for triggering the electrical switch; the key protrudes out of the rocker, is arranged on the side face of the rocker and is positioned between the knob and the pressing part, and the key is inserted into the key groove and can move in the key groove.

Optionally, the power switch is provided with a key slot on an inner wall of the mounting seat, a key hole is formed in the top of the mounting seat, and the rocker can be inserted into the mounting seat through the key hole.

Optionally, the power switch as in any above, wherein the opening position is at a depth from the key hole equal to the depth from the storage position.

Optionally, the power switch as in any above, wherein the opening position is deeper from the key hole than the storage position.

Optionally, the power switch as described in any one of the above, wherein the key slot includes a plug-in guide slot and a state guide slot; the inserting guide groove is arranged along the direction parallel to the axis of the mounting seat; the state guide groove is perpendicular to the inserting guide groove, the middle of the state guide groove is communicated with the bottom end of the inserting guide groove, the opening position is located at one end of the state guide groove, and the storage position is located at the other end of the state guide groove.

Optionally, the power switch as described in any of the above, wherein the key slot includes a plugging guide slot, a storage state guide slot, a connection guide slot, and an open state guide slot; the inserting guide groove is arranged along the direction parallel to the axis of the mounting seat; the storage state guide groove is perpendicular to the insertion guide groove, a first end of the storage state guide groove is communicated with the bottom end of the insertion guide groove, and the storage position is located at a second end of the storage state guide groove; the opening state guide groove is perpendicular to the inserting guide groove, the opening position is located at the first end of the opening state guide groove, and the depth of the opening state guide groove from the key hole is larger than that of the opening state guide groove from the key hole; the connecting guide groove is parallel to the inserting guide groove, the top end of the connecting guide groove is communicated with the second end of the storage state guide groove, and the bottom end of the connecting guide groove is communicated with the second end of the opening state guide groove.

Optionally, the power switch as described above, wherein the key further includes an avoiding portion, the avoiding portion and the pressing portion are respectively disposed on two sides of the bottom end of the rocker, and a distance between a bottom end surface of the avoiding portion and the knob is smaller than a distance between a bottom end surface of the pressing portion and the knob.

Optionally, the power switch as described in any one of the above, wherein the electrical switch is disposed on a bottom inner wall of the mounting seat; in the process that the key is inserted into the opening state guide groove or the state guide groove and moves along the opening state guide groove or the state guide groove, the pressing part synchronously rotates in the mounting seat to abut against the electric switch or loosen the electric switch.

Optionally, the power switch as described in any of the above, wherein an elastic body is further abutted between the bottom end of the rocker and the inner wall of the bottom of the mounting seat, and the elastic body has potential energy for pushing the rocker to move towards the top end of the mounting seat.

Optionally, as for the power switch, a contact portion is further disposed between the avoiding portion and the pressing portion, a transition surface is disposed at a bottom end of the contact portion, and when the key moves to the open position along the open-state guide groove or the state guide groove, the electrical switch is pressed by the transition surface and enters between a bottom end face of the pressing portion and the bottom of the mounting seat.

Optionally, the power switch as described in any of the above, wherein a limiting mounting surface is further disposed between the top end of the rocker and the knob, and a positioning protrusion is disposed on a bottom side of the limiting mounting surface; the top end of the mounting seat is also provided with a positioning hole at the outer side of the key hole; in the process that the key moves along the opening state guide groove or the state guide groove, the bottom side of the limiting installation surface abuts against the top end of the installation seat, and the positioning bulge enters the positioning hole when the key reaches the opening position and/or the storage position.

Optionally, the power switch further comprises a positioning groove provided at the opening position and/or the storage position, wherein the positioning groove has a concave portion facing the top end of the mounting seat for receiving and fixing the key.

And simultaneously, the utility model also provides an automatic walking equipment, it includes as above arbitrary switch.

Advantageous effects

The utility model discloses seted up the keyway on the inner wall of mount pad, can lead to the key through this keyway for the key triggers automatic walking equipment to open when rotatory to the open position in the keyway, makes the key rotatory to keep automatic walking equipment to close when storage position. The utility model discloses a keyway will open the position and set up respectively on two directions with storage position, can the person of facilitating the use distinguish the direction of rotation of key, avoid the maloperation.

Furthermore, the utility model discloses can also pass through the design of keyway for the user must inwards push the key and just can operate the key and reach the deeper open position apart from the key hole, with the security of further improvement automatic walking equipment. In this way, different ends of the two guide grooves in different depths can be set to be an opening position and a storage position, and the two guide grooves are communicated through the connecting guide groove, so that keys on the side wall of the key can move along the guide grooves conveniently to reach different positions.

The utility model discloses an electrical switch setting that will trigger automatic walking equipment operation or close can realize the control to automatic walking equipment on-off state through pressing splenium butt electrical switch through pushing the action of key through the push of key bottom on the bottom inner wall of mount pad. Therefore, the utility model discloses whether can audio-visually be pushed into the mount pad completely through the key and judge that it triggers the operation of automatic walking equipment. The utility model discloses the rotary motion of well key can set up to mainly used storage or fixed key, the clear state of judging automatic walking equipment of the grafting degree of depth of accessible key, further user's maloperation of avoiding.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the invention for the purpose of explanation and not limitation of the invention. In the drawings:

fig. 1 is a schematic diagram of the overall structure of the power switch of the present invention;

fig. 2 is a schematic diagram of a key structure in the power switch of the present invention;

fig. 3 is a schematic view of a mounting seat structure of the power switch of the present invention;

FIG. 4 is an expanded view of a keyway in a first embodiment of the invention;

FIG. 5 is a schematic view of a key inserted into the insertion guide groove according to a first embodiment of the present invention;

FIG. 6 is a schematic view of a guide groove for a key insertion state according to a first embodiment of the present invention;

FIG. 7 is a schematic view of a key in a storage position according to a first embodiment of the present invention;

FIG. 8 is a schematic view of a key in an open position according to a first embodiment of the present invention;

fig. 9 is a development view of a key groove in a second embodiment of the present invention;

fig. 10 is a schematic view of a key inserted into the insertion guide groove according to the second embodiment of the present invention;

fig. 11 is a schematic view of a key in a storage position according to a second embodiment of the present invention;

fig. 12 is a schematic view of a guide groove in an open state in which a key is inserted according to a second embodiment of the present invention;

fig. 13 is a schematic view of a key in an open position according to a second embodiment of the present invention.

In the drawings, 1 is a key; 2 is a key hole; 3 is an elastomer; 4 is a mounting seat; 5 is a positioning hole; 6 is a positioning projection; 7 is an electrical switch; 101 is a rocker; 102 is a knob; 103 is a bond; 104 is an avoidance portion; 105 is a contact portion; 106 is a transition surface; 107 is a limiting part; 108 is a pressing part; 201 is a key slot; 2011 is a plug guide groove; 2012 is a state guide groove; 2013 is a storage state guide groove; 2014 is an open state guide groove; 2015 is a connecting guide groove; 202 is a positioning groove.

Detailed Description

In order to make the purpose and technical solution of the embodiments of the present invention clearer, the following description will clearly and completely describe the technical solution of the embodiments of the present invention by combining the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

The meaning of "and/or" in the present invention means that they exist individually or both at the same time.

The meaning of "inside and outside" in the present invention means that the direction pointing to the inside of the power switch or the automatic traveling device itself is inside, and vice versa; and not to the specific limitations of the device mechanism of the present invention.

The utility model discloses in the meaning of "top, bottom" indicate the user just when automatic walking equipment, be the bottom by the directional one end of its inside electrical switch of key hole promptly, otherwise promptly the top, and not right the utility model discloses a device mechanism's specific injecing.

The term "connected" as used herein may mean either a direct connection between elements or an indirect connection between elements through other elements.

The switch to current automatic walking equipment exists, because its open position is the same with storage position direction of rotation and the fuzzy problem in limit between the different positions that leads to, the utility model discloses a keyway structure will open position and storage position and set up respectively in two directions to the direction of rotation of each position when can making clear the switch use avoids user's maloperation.

Fig. 1 is a power switch for automatic walking equipment such as a mowing robot and the like according to the utility model, which comprises a key 1 and a key hole 2 arranged at the top of a mounting seat 4. For convenience of illustration, the mounting seat 4 in the drawings is a schematic structure, and the actual shape of the mounting seat can be changed correspondingly according to the shape of the shell of the actual automatic walking device. An electric switch 7 is arranged at the bottom of the mounting seat in the key hole 2, the key 1 is inserted into the key hole 2, and the electric switch 7 is opened and closed in a rotating or pushing mode, so that the power switch is opened and closed.

In order to realize fixing the key inserted into the key hole, the inner wall of the mounting seat is provided with a key groove 201 which comprises an opening position and a storage position: the key 1 is inserted into the key slot 201 and can trigger an electrical switch of the automatic walking equipment when rotating to an opening position; the automatic walking equipment is closed when the key 1 is inserted into the key slot 201 and rotates to a storage position; also, the direction in which the key 1 is rotated to the open position is opposite to the direction in which it is rotated to the storage position to prevent the key from being rotated to the opposite direction by an erroneous operation.

When the key 1 is inserted into the key groove 201 and rotates to the storage position along the key groove direction, the electrical switch of the automatic walking equipment is separated from the trigger state, and the key itself is limited by the key groove structure and cannot be directly pulled out, so that the key can be prevented from falling and being lost.

As shown in fig. 2 and 3, the key 1 comprises a rocker 101 and a knob 102, the rocker 101 being arranged at the bottom of the knob and being insertable into the keyhole 2, the rocker 101 being provided on its side with a key 103. The key protrudes from the rocker 101 and is located between the knob 102 and the pressing portion 108. A key groove 201 is formed in the key hole 2 corresponding to the size of the key, and the key 103 is inserted into the key groove 201 and is movable in the key groove 201. The key groove 201 comprises an insertion guide groove 2011 arranged at the top entrance position of the key groove, the insertion guide groove 2011 is located between the opening position and the storage position, and the key 103 rotates in the key groove 201 in opposite directions, so that the storage position or the opening position can be switched. The key 1 can be held in the storage position or the open position and cannot be pulled out directly in the direction of the plug guide 2011.

The bottom of the mounting seat 4 may further be provided with an elastic body, which abuts between the bottom end of the rocker 101 and the bottom inner wall of the mounting seat 4. When the key 1 extends into the mounting seat 4, the key is ejected by the elastic body without being pressed by an external force, and in the embodiment, the elastic body 3 can be realized by a spring which can be compressed along the direction of the inserting guide groove 2011 and has potential energy for pushing the rocker 101 to move towards the top end of the mounting seat.

A positioning structure can be arranged between the top end of the mounting seat 4 and the key 1 and used for positioning when the key 1 rotates to a required position. One of the positioning ways is shown in fig. 2 and 3, and a limiting installation surface is further arranged between the top end of the rocker 101 of the knob 102 and the knob 102, and the bottom side of the limiting installation surface is provided with a positioning bulge 6. Correspondingly, the periphery of the key hole 2 can be provided with two positioning holes 5, and when the knob 102 is rotated to one position, the positioning protrusions 6 are embedded into the positioning holes 5, so that the key 1 can be positioned. To identify the different states of the key, two positioning holes 5 can be respectively provided in the open position (i.e., ON position in the figure) and the STORAGE position (i.e., STORAGE position in the figure) of the key. In the process that the key 103 moves along the opening state guide groove 2014 or the state guide groove 2012, the bottom side of the limiting installation surface abuts against the top end of the installation seat 4, and the positioning protrusion 6 enters the positioning hole 5 when the key 103 reaches the opening position and/or the storage position, so that an operator is prompted that the key is rotated to the corresponding position without further rotation.

In practice, the electrical switch 7 can take many forms, including push-type, contact-type, rocker-type, etc. In this embodiment, the electrical switch 7 is a push-type electrical switch 7 disposed on the inner wall of the bottom of the mounting base. The electrical switch 7 is triggered or turned off by a pressing part 108 arranged at the bottom end of the rocker 101.

Specifically, a relief portion 104 may be provided on one side of the bottom end of the rocker 101, and the relief portion 104 and the pressing portion 108 are respectively provided on both sides of the bottom end of the rocker 101. The avoiding portion 104 may be specifically configured as a notch located at the bottom end of the rocker 101, and a distance between a bottom end surface of the avoiding portion and the knob 102 is smaller than a distance between a bottom end surface of the pressing portion 108 and the knob 102. When the end part of the rocker 101 extends into the key hole 2 and is at the STORAGE position, the electric switch 7 is positioned in the area of the avoiding part 104 and is not touched, and the automatic walking equipment is in a closed state; when the rocker 101 is in the ON position, the electrical switch 7 is touched and pressed by the pressing portion 108, and the automatic walking device is in the ON state. The specific shape and the setting range of the avoiding part 104 can be adjusted according to the actual situation.

In a more specific implementation manner, the pressing portion 108 may further include a contact portion 105, and the contact portion 105 protrudes from a side surface of the pressing portion and is located at a radial position corresponding to the electrical switch. The bottom surface of the contact portion 105 is a transition surface 106 provided with an inclination angle. In the process of rotating the rocker 101 to the open position, the key 103 moves to the open position along the key groove, the transition surface 106 first contacts the electrical switch 7, and the electrical switch 7 is pressed by the transition surface 106 to enter between the bottom end surface of the pressing part 108 and the bottom of the mounting seat 4 so as to reduce the impact on the push switch and enable the push switch to be easily pressed. The electric switch is triggered by the key when the transition surface 106 gradually enters between the bottom section of the pressing part 108 and the bottom inner wall of the mounting seat 4.

The middle part of the bottom end of the rocker 101 can be further provided with a limiting part 107 for limiting the abutting position of the elastic body 3.

The utility model discloses a switch, its keyway 201 specifically can have two kinds of implementation, and its main difference lies in the form difference of keyway 201.

Fig. 4 is a development view of the key groove 201 according to the first embodiment. In this implementation, the depth of the opening position from the keyhole 2 is equal to the depth of the storage position from the keyhole 2. After the key 1 is pushed into the key hole, in the process that the key moves in the key groove, the ON position and the SOTRAGE position are arranged ON the same cross section inside the mounting seat and are positioned at two ends of the state guide groove 2012. Fig. 9 is a development view of the key groove 201 in the second implementation manner. In this implementation, the depth of the open position from the keyhole 2 is greater than the depth of the storage position from the keyhole 2: after the key 1 is pushed into the keyhole, the key reaches the storage state guide groove 2013 at the first depth, and after the key rotates to the SOTRAGE position in the storage state guide groove 2013, the key needs to be pushed and rotated again to reach the ON position at the second depth. In this implementation, the ON position and the SOTRAGE position are located ON different cross sections of the keyhole 2.

Two implementations are specifically described below. The figures partially cut away the mounting seat 4 for clarity of the keyway 201 configuration and contact of the rocker 101 end within the keyway 2.

Under a first implementation manner, keyway 201 includes grafting guide way 2011 and state guide way 2012, grafting guide way 2011 sets up along the direction that is on a parallel with the 4 axes of mount pad, state guide way 2012 sets up to the perpendicular to grafting guide way 2011, just the middle part of state guide way 2012 communicates with the bottom of grafting guide way 2011, open position is located the one end of state guide way 2012, storage position is located the other end of state guide way 2012:

in this manner, as shown in fig. 5, the rocker 101 is inserted into the key hole 2, and the key 103 moves along the trajectory defined by the insertion guide groove 2011. After the push rocker 101 is pushed down to the extreme position, as shown in fig. 6, the rocker 101 can be swung at this depth position, so that the keys 103 ON the rocker 101 are rotated to both sides along the state guide grooves 2012 to the ON position or the STORAGE position, respectively. Fig. 7 is a schematic diagram of the rocking lever 101 being swung to the STORAGE position, in which the electrical switch 7 is not pressed by the pressing portion 108 at the bottom end of the rocking lever 101, and is in the closed state, and the key 1 is fixed in the key hole 2. Fig. 8 is a schematic view of the rocker 101 being swung to the ON position, in which the electrical switch 7 is pressed and in the energized state, while the key 1 is secured in the keyhole 2.

Under a second implementation manner, the key slot 201 includes an insertion guide slot 2011, a storage state guide slot 2013, a connection guide slot 2015 and an opening state guide slot 2014: the insertion guide groove 2011 is arranged in a direction parallel to the axis of the mounting base 4; the storage state guide groove 2013 is perpendicular to the insertion guide groove 2011, a first end of the storage state guide groove 2013 is communicated with the bottom end of the insertion guide groove 2011, and the storage position is located at a second end of the storage state guide groove 2013; the opening state guide groove 2014 is arranged perpendicular to the insertion guide groove 2011, the opening position is located at the first end of the opening state guide groove 2014, and the depth of the opening state guide groove 2014 from the key hole is greater than that of the opening state guide groove 2014 from the key hole; connect the guide way 2015, it sets up to be on a parallel with grafting guide way 2011, just connect the top of guide way 2015 and the second end intercommunication of storage state guide way 2013, connect the bottom of guide way 2015 and the second end intercommunication of open state guide way 2014.

In this manner, as shown in fig. 10, the rocker 101 is inserted into the key hole 2, and the key 103 first moves along the trajectory defined by the plug guide 2011. After pushing the rocker 101 until the insertion guide groove 2011 is located at the extreme position of the first depth, the rocker 101 can be swung to rotate along the STORAGE state guide groove 2013 to reach the STORAGE position. Fig. 11 is a schematic diagram of the rocking lever 101 swinging to the STORAGE position, in which the electrical switch 7 is not pressed and is in the off state, and the key 103 of the key 1 is inserted into the positioning groove 202 provided at one end of the STORAGE state guide groove 2013 by the elastic body 3, so that the key is fixed in the key hole 2 for positioning. As shown in fig. 12, the key 1 is further pushed until the link guide 2015 connected to the storage state guide 2013 in the vertical direction is located at the limit position of the second depth, and then the rocker 101 is rotated in the reverse direction to the ON position along the open state guide 2014. Fig. 13 is a schematic view of the rocker 101 being swung to the ON position, in which the electrical switch 7 is pressed, in the energized state, and the key 1 is secured in the keyhole 2.

The positioning groove may be specifically disposed at an opening position and/or a storage position of the storage state guide groove 2013 and/or the state guide groove 2012. The positioning groove 202 has a recessed portion facing the top end of the mounting seat, and the key 103 which is sprung upwards and abutted by the spring can be accommodated and fixed by the recessed portion, so that the key is fixed and prevented from sliding away from a corresponding position.

In two implementation manners, in the process that the key 103 is inserted into the open-state guide slot 2014 or the state guide slot 2012 and moves along the open-state guide slot 2014 or the state guide slot 2012, the pressing portion 108 synchronously rotates in the mounting seat 4 to press the electrical switch 7 or release the electrical switch 7. Therefore, in both implementations, the switch is pressed and energized only when the key 1 is turned to the ON position by relating the angular range of the escape portion 104.

In this embodiment, only one form of the electrical switch 7 is shown, and in practical use, the electrical switch 7 may be in other forms, and the structure of the power on/off process can be completed through the touch and toggle modes of the rocker 101.

In the embodiment, only two positioning structures capable of realizing positioning are shown, and in practical use, the key 1 can complete the positioning at the STORAGE position and the ON position through other types of positioning structures. The key is inserted and removed through the vertically disposed insertion guide groove 2011 at the OFF position.

Therefore, the utility model discloses a keyway opens the switch and puts and the reverse setting of storage position, and the direction of rotation of each position when can making clear the switch use avoids appearing because the fuzzy problem of boundary between the different positions that open the position and lead to with the storage position direction of rotation is the same. The utility model discloses can improve the security of switch operation.

The above description is only for the embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which all fall within the scope of the present invention.

Claims (17)

1. A power switch for an automatic walking device, comprising:

a key (1);

a keyway (201) comprising an open position and a storage position;

the key (1) is inserted into the key slot (201) and can trigger an electrical switch of the automatic walking equipment when rotating to an opening position;

the automatic walking equipment is closed when the key (1) is inserted into the key slot (201) and rotates to a storage position;

the direction of rotation of the key (1) to the open position is opposite to the direction of rotation to the storage position.

2. The power switch of claim 1, wherein the electrical switch of the self-propelled device is out of the activated state when the key (1) is inserted into the key slot (201) and rotated in the key slot direction to the storage position.

3. A power switch according to claim 1, characterised in that the key slot (201) comprises a plug guide (2011) arranged at a top access position thereof, the plug guide (2011) being located between the open position and the storage position.

4. A power switch according to claim 3, characterized in that when the key (1) is inserted into the keyway (201) and rotated in the direction of the keyway to a storage position or an open position, the key (1) can be held in the storage position or the open position and cannot be pulled out directly in the direction of the plug-in guide groove (2011).

5. A power switch as claimed in claim 3, characterized in that said key (1) comprises:

a rocker (101);

a knob (102) disposed at a top end of the rocker (101);

a pressing part (108) arranged at the bottom end of the rocker (101) and used for triggering the electrical switch (7);

the key (103) protrudes out of the rocker (101), is arranged on the side face of the rocker (101), is positioned between the knob (102) and the pressing part (108), and is inserted into the key groove (201) and can move in the key groove (201).

6. The power switch of claim 5, characterized in that the key slot (201) is arranged on the inner wall of the mounting seat (4), the top of the mounting seat is provided with a key hole (2), and the rocker (101) can be inserted into the mounting seat (4) through the key hole (2).

7. Power switch according to claim 6, characterized in that the opening position is at the same depth from the key hole (2) as the storage position is at the key hole (2).

8. Power switch according to claim 6, characterized in that the depth of the open position from the key hole (2) is greater than the depth of the storage position from the key hole (2).

9. The power switch of claim 7, wherein the keyway (201) comprises a plug guide (2011) and a status guide (2012);

the inserting guide groove (2011) is arranged along the direction parallel to the axis of the mounting seat (4);

the state guide way (2012) sets up to the perpendicular to grafting guide way (2011), just the middle part of state guide way (2012) communicates with the bottom of grafting guide way (2011), open position is located the one end of state guide way (2012), the memory location is located the other end of state guide way (2012).

10. The power switch of claim 8, wherein the key slot (201) includes a plug-in guide slot (2011), a storage state guide slot (2013), a connection guide slot (2015), and an open state guide slot (2014);

the inserting guide groove (2011) is arranged along the direction parallel to the axis of the mounting seat (4);

the storage state guide groove (2013) is perpendicular to the inserting guide groove (2011), a first end of the storage state guide groove (2013) is communicated with the bottom end of the inserting guide groove (2011), and the storage position is located at a second end of the storage state guide groove (2013);

the opening state guide groove (2014) is arranged to be perpendicular to the inserting guide groove (2011), the opening position is located at the first end of the opening state guide groove (2014), and the depth of the opening state guide groove (2014) from the key hole is larger than that of the opening state guide groove (2014) from the key hole

Connect guide way (2015), it sets up to be on a parallel with grafting guide way (2011), just the top of connecting guide way (2015) and the second end intercommunication of storage state guide way (2013), the bottom of connecting guide way (2015) and the second end intercommunication of open state guide way (2014).

11. The power switch according to claim 6, wherein the key (1) further comprises a relief portion (104), the relief portion (104) and the pressing portion (108) are respectively disposed at two sides of the bottom end of the rocker (101), and a distance between a bottom end surface of the relief portion and the knob (102) is smaller than a distance between a bottom end surface of the pressing portion (108) and the knob (102).

12. A power switch according to claim 11, characterized in that the electrical switch (7) is arranged on the bottom inner wall of the mounting seat (4);

in the process that the key (103) is inserted into the opening state guide groove (2014) or the state guide groove (2012) and moves along the opening state guide groove (2014) or the state guide groove (2012), the pressing part (108) synchronously rotates in the mounting seat (4) to press the electrical switch (7) or release the electrical switch (7).

13. The power switch of claim 12, wherein an elastic body (3) is further abutted between the bottom end of the rocker (101) and the bottom inner wall of the mounting seat (4), and the elastic body (3) has potential energy for pushing the rocker (101) to move towards the top end of the mounting seat.

14. The power switch according to claim 12, wherein a contact portion (105) is further disposed between the avoiding portion (104) and the pressing portion (108), a bottom end of the contact portion (105) is provided with a transition surface (106), and during the process that the key (103) moves along the open-state guide slot (2014) or the state guide slot (2012) to the open position, the transition surface (106) presses the electrical switch (7) into a position between a bottom end surface of the pressing portion (108) and a bottom of the mounting seat (4).

15. The power switch of claim 10, wherein a limit mounting surface is further arranged between the top end of the rocker (101) and the knob (102), and a positioning bulge (6) is arranged on the bottom side of the limit mounting surface; a positioning hole (5) is formed in the top end of the mounting seat (4) and outside the key hole (2);

in the process that the key (103) moves along the opening state guide groove (2014) or the state guide groove (2012), the bottom side of the limiting installation surface abuts against the top end of the installation seat (4), and the positioning protrusion (6) enters the positioning hole (5) when the key (103) reaches the opening position and/or the storage position.

16. A mains switch according to claim 15, characterized in that the storage state guide slot (2013) and/or the state guide slot (2012) is further provided with a positioning slot (202) in the open position and/or in the storage position, the positioning slot (202) having a recess towards the top end of the mounting for receiving and fixing the key (103).

17. An autonomous walking device comprising a power switch as claimed in any one of claims 1 to 16.

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