JP2022143550A - moving body - Google Patents

Abstract

To provide technology that facilitates switching between a locked state of a handle and an unlocked state thereof.SOLUTION: A portable moving body includes a step part, a handle part, a handle shaft part, and a handle lock device. The handle shaft part connects a front wheel with the handle part so that the movement of operation of the handle part may interlock with the front wheel, and is connected with the step part so as to be rotated relatively to the step part. The handle lock device is configured so that an unlocked state being the state of free rotation and a locked state being the state of inhibited rotation can be switched on the basis of a load applied to the step part along the central axis direction of the handle shaft part. Also, the handle lock device brings the handle shaft part into the unlocked state, when the load to the lower direction being the direction toward the front wheel side is applied to the step part along the central axis direction of the handle shaft part.SELECTED DRAWING: Figure 6

Description

The present disclosure relates to mobile objects.

As a means of transportation, a moving body called a kick skater or the like that runs by kicking a road surface with a foot is known.
Reference 1 discloses a skater in which a steering wheel for steering a front wheel is rotatably supported by a steering wheel support provided at the front end of a deck on which a user rides. This skater has a handle lock device for non-rotatably holding the handle and other members so that the skater can be stably carried in a state where the handle support and the deck are folded close to each other. This handle lock device has a turning plate that can switch between a locked state and an unlocked state of the handle by being turned up and down by a user's fingers.

JP 2017-108856 A

However, in the skater described above, in order to switch the steering wheel from the unlocked state to the locked state or from the locked state to the unlocked state, the user has to manually move the turning plate up and down.

An object of one aspect of the present disclosure is to provide a technique that facilitates switching between the locked state and the unlocked state of the steering wheel.

One aspect of the present disclosure is a portable moving body including a step portion, a handle portion, a handle shaft portion, and a handle lock device. The step portion is a portion on which the user of the mobile object rides when traveling, and the rear wheels are connected to the step portion. The handle portion is used by the user for operation during running. The handle shaft portion connects the handle portion and the front wheel so that the operation of the handle portion and the movement of the front wheel are interlocked, and is connected to the step portion so as to rotate relative to the step portion. The handle lock device can switch between an unlocked state, in which rotation is allowed, and a locked state, in which rotation is restricted, based on the load applied to the step along the central axis of the handle shaft. Configured. Further, the handle lock device unlocks the handle shaft portion when a downward load toward the front wheel is applied to the step portion along the central axis direction of the handle shaft portion.

In such a configuration, when a downward load is applied to the step portion, the handle shaft portion is unlocked by the handle lock device. In other words, when the user of the mobile body steps on the step portion, the handle shaft portion switches from the locked state to the unlocked state. You don't have to use . In other words, the lock of the handle portion is easily released by the user of the moving object getting on the step portion. Therefore, it is possible to easily switch between the locked state and the unlocked state of the handle shaft portion and the handle portion connected to the handle shaft portion.

In one aspect of the present disclosure, the step portion may be configured such that at least a portion of the step portion moves downward when a downward load is applied. The handle lock device may have a mounting portion. The attachment portion is rotatably attached to the handle shaft portion and configured to move downward in conjunction with the downward movement of the step portion. The handle lock device may unlock the handle shaft portion when the attachment portion moves downward. According to such a configuration, the handle lock device can be configured to unlock the handle shaft portion by a simple configuration in which the mounting portion is moved downward in conjunction with the downward movement of the step portion. can be done.

In one aspect of the present disclosure, the handle locking device may have a biasing member. The biasing member has a biasing force directed upward, which is a direction opposite to the downward direction, along the central axis direction of the handle shaft portion. In the handle lock device, the handle shaft may be locked when a downward load is not applied to the step portion and the mounting portion moves upward due to the biasing force of the biasing member. In such a configuration, when the downward load applied to the step portion is removed, the mounting portion moves upward in conjunction with the upward movement of the step portion due to the biasing force of the biasing member. , the handle shaft is locked. In other words, when the user steps down from the step portion, the handle shaft portion switches from the unlocked state to the locked state, so that the user of the moving body operates the components for switching between the locked state and the unlocked state with his or her fingers. It doesn't have to be. In other words, when the user steps down from the step portion, the handle portion is easily locked by a simple structure in which the mounting portion is moved upward in conjunction with the upward movement of the step portion. Therefore, it is possible to easily switch between the locked state and the unlocked state of the handle shaft portion and the handle portion connected to the handle shaft portion.

One aspect of the present disclosure is a portable moving body including a step portion, a handle portion, a handle shaft portion, and a handle lock device. The step portion is a portion on which the user of the mobile object rides when traveling, and the rear wheels are connected to the step portion. The handle portion is used by the user for operation during running. The handle shaft portion connects the handle portion and the front wheel so that the operation of the handle portion and the movement of the front wheel are interlocked, and is connected to the step portion so as to rotate relative to the step portion. The handle lock device can switch between an unlocked state, in which rotation is allowed, and a locked state, in which rotation is restricted, based on the load applied to the step along the central axis of the handle shaft. Configured. Further, the handle lock device locks the handle shaft when a downward load toward the front wheel is not applied to the step portion along the central axis direction of the handle shaft.
In such a configuration, the handle shaft is locked by the handle lock device unless a downward load is applied to the step. In other words, when the user of the mobile object is not on the step, the handle shaft is in the locked state. You don't have to. Therefore, it is possible to easily switch between the locked state and the unlocked state of the handle shaft portion and the handle portion connected to the handle shaft portion.

In one aspect of the present disclosure, the step portion may be configured such that at least part of the step portion moves within a predetermined range in the vertical direction. The handle lock device may have a mounting portion and a biasing member. The attachment portion is rotatably attached to the handle shaft portion, and configured to move upward in conjunction with upward movement of the step portion in the vertical direction. The biasing member has an upward biasing force that is directed toward the handle portion along the central axis direction of the handle shaft portion. In the handle lock device, the handle shaft may be locked when a downward load is not applied to the step portion and the mounting portion moves upward due to the biasing force of the biasing member. With such a configuration, when the downward load is no longer applied to the step portion, the mounting portion moves upward in conjunction with the upward movement of the step portion due to the biasing force of the biasing member, thereby moving the handle shaft. part is locked. That is, the handle portion can be easily locked by a simple structure in which the mounting portion is moved upward in conjunction with the upward movement of the step portion when the user steps down from the step portion. Therefore, it is possible to easily switch between the locked state and the unlocked state of the handle shaft portion and the handle portion connected to the handle shaft portion.

In one aspect of the present disclosure, the handle lock device may have a first engagement portion and a second engagement portion. The first engaging portion is provided on the handle shaft portion. The second engaging portion is provided on the mounting portion. The handle lock device may lock the handle shaft when the mounting portion is positioned at the first position and the first engagement portion and the second engagement portion are engaged. The handle lock device unlocks the handle shaft portion when the mounting portion is positioned at a second position lower than the first position and the engagement between the first engaging portion and the second engaging portion is disengaged. may be According to this configuration, when the mounting portion is positioned at the first position, the engagement between the first engaging portion and the second engaging portion suppresses relative rotation of the handle shaft portion with respect to the mounting portion. can do. Further, when the mounting portion is positioned at the second position, the rotation can be made freely by disengaging the engagement between the first engaging portion and the second engaging portion. In other words, the locked state of the handle shaft can be achieved by a simple configuration of engaging the first engaging portion and the second engaging portion or disengaging the first engaging portion and the second engaging portion. and unlocked state can be configured.

In one aspect of the present disclosure, the first engaging portion may be at least one projection projecting from the outer peripheral surface of the handle shaft portion. The attachment portion may have a tubular shape. The handle shaft portion may pass through the interior of the attachment portion. The second engaging portion may be at least one recess provided in the inner peripheral surface of the attachment portion facing the handle shaft portion. The at least one protrusion may be configured to be inserted into the at least one recess when the mounting portion is in the first position and disengaged from the at least one recess when the mounting portion is in the second position. With such a configuration, the handle lock device can switch between the locked state and the unlocked state of the handle shaft by a simple configuration in which the protrusion is inserted into the recess or the protrusion is removed from the recess. be able to.

In one aspect of the present disclosure, at least one recess may have a shape in which the width along the circumferential direction of the attachment portion becomes narrower downward along the central axis direction of the handle shaft portion. With such a configuration, when the mounting portion is moved upward by the biasing force of the biasing member, the convex portion is first inserted into the wide portion of the concave portion. In the wide portion of the concave portion, the convex portion can move in the concave portion in the direction of rotation about the central axis. Therefore, the handle shaft can take a wide angle range in the rotation direction with respect to the step. Thereafter, when the mounting portion moves further upward, it is guided to the narrow portion of the recess. As the width of the concave portion gradually narrows in this way, the range of angles that the handle shaft portion can take with respect to the step portion in the rotation direction becomes narrower. Therefore, when the user of the moving body gets off the step, even if the handle shaft is displaced from the predetermined angle with respect to the step, the handle shaft is positioned at the predetermined angle with respect to the step. The handle can be locked at the position where

In one aspect of the present disclosure, the number of at least one recess may differ from the number of at least one protrusion. In such a configuration, there are provided a plurality of recesses that are greater than the number of protrusions, or a plurality of protrusions that are greater than the number of recesses. Therefore, even when the user of the moving object gets off the step portion and the handle shaft portion is displaced from the predetermined angle with respect to the step portion, the handle shaft portion is displaced with respect to the step portion. The handle can be locked at this position. Further, by rotating the handle shaft from the shifted position, the handle can be locked at a position where the handle shaft is at a predetermined angle with respect to the step.

FIG. 4 is a side view showing the kick scooter with the handle shaft in a locked state; FIG. 4 is a schematic view of the kick scooter in which the handle shaft is in a locked state, viewed from above. FIG. 4 is a side view showing the kick scooter with the handle shaft in an unlocked state; FIG. 4 is a schematic view of the kick scooter in which the handle shaft is in an unlocked state, viewed from above. FIG. 3 is a schematic diagram showing a VV cross section of the handle lock device in FIG. 2; FIG. 6 is a schematic view showing a VI-VI section of the handle lock device in FIG. 5; FIG. 5 is a schematic diagram showing a VII-VII section of the handle lock device in FIG. 4; FIG. 8 is a schematic diagram showing a VIII-VIII cross section of the handle lock device in FIG. 7; It is a figure which shows the modification of the shape of the recessed part provided in a bearing part. FIG. 10 is a diagram showing a state in which the step portion is guided from a position other than the normal position to the normal position as the bearing moves upward in the kick skater having the bearing having the concave portion shaped as shown in FIG. 9 ; FIG. 4 is a diagram showing a configuration in which a plurality of first engaging portions are provided on the handle shaft portion and a plurality of recessed portions are provided on the bearing portion; 12 shows a state in which the step portion fixed at a position other than the normal position is rotated to the normal position in the kick skater having the handle shaft portion having the plurality of first engaging portions and the bearing portion having the plurality of recesses shown in FIG. It is a diagram. It is a figure which shows the structure in which more 1st engagement parts are provided than a recessed part. It is a figure which shows the structure by which more recessed parts are provided than a 1st engagement part. FIG. 10 is a schematic cross-sectional view showing a modification of the handle lock device in which the handle shaft is in a locked state; FIG. 16 is a schematic diagram showing a XVI-XVI section of the handle lock device in FIG. 15; FIG. 11 is a schematic cross-sectional view showing a modification of the handle lock device in which the handle shaft is in an unlocked state; FIG. 18 is a schematic diagram showing a XVIII-XVIII cross section of the handle lock device in FIG. 17; 17 is a diagram showing a configuration in which more protrusions are provided than recesses in the configuration of a modified example of the handle lock device of FIG. 16. FIG. FIG. 17 is a diagram showing a configuration in which more concave portions are provided than convex portions in the configuration of a modified example of the handle lock device of FIG. 16 ;

Exemplary embodiments of the present disclosure are described below with reference to the drawings.
[1-1. Constitution]
The kick skater 100 shown in FIGS. 1 to 4 is a mobile object that can be carried by the user of the kick skater 100 or the like. As shown in FIGS. 1 and 3, the kick scooter 100 is used in an unfolded state in which the user of the scooter 100 can get on and run. In the following description, the vertical direction, Represents the front-rear direction and left-right direction. For convenience of explanation, the direction of the central axis A in FIGS. 1 and 3 will also be described as the vertical direction in the following explanation.

As shown in FIGS. 1 to 4, the kick skater 100 includes a handle portion 1, a handle shaft portion 2, a step portion 3, a link mechanism 4, a handle lock device 5, a bearing portion 55, and a front wheel 6. , a rear wheel 7 . 2 and 4, for convenience of explanation, the handle portion 1 is indicated by imaginary lines, and illustration of the front wheel 6 and the rear wheel 7 is omitted. The kick skater may have one front wheel and one rear wheel, or may have a plurality of front wheels and rear wheels, for example, two rear wheels. Also, the number of front wheels and rear wheels provided on the kick skater does not have to be the same. For example, it may have two front wheels and one rear wheel, or one front wheel and two rear wheels.

<Handle part>
The handle portion 1 is used by the user of the kick skater 100 by holding it by hand for operation during running. The handle portion 1 is a rod-shaped member having a length in the left-right direction.

<Handle shaft>
The handle shaft portion 2 connects the handle portion 1 and the front wheel 6 so that the operation of the handle portion 1 and the movement of the front wheel 6 are interlocked. The handle shaft portion 2 has a length in the vertical direction so as to extend downward from the handle portion 1 . The handle shaft portion 2 is a tubular pipe. The handle shaft portion 2 rotates relative to the step portion 3 with the central axis A of the handle shaft portion 2 as a rotation axis. connected to Note that the handle shaft portion may be composed of one component, or may be composed of a plurality of components.

<Step part>
The step portion 3 is a portion on which the user of the kick skater 100 puts his/her feet while riding. The step portion 3 is connected to the rear wheel 7 via a support portion 31 attached to the rear end portion of the step portion 3 . The step portion 3 is a plate-like member having a length in the front-rear direction. A curved member 32 may be attached to the rear end portion of the step portion 3 so as to cover the upper portion of the rear wheel 7 and serve as a mudguard.

As shown in FIG. 3, the step portion 3 is configured to move downward when a downward load F1 is applied. When the step portion 3 moves downward due to the downward load F1, the step portion 3 may move entirely or partially. When part of the step portion 3 moves downward, for example, the front end portion of the step portion 3 may move.

<Bearing part>
The bearing portion 55 supports the handle shaft portion 2 . The bearing portion 55 has a cylindrical shape through which the handle shaft portion 2 penetrates. The bearing portion 55 is rotatably attached to the lower end portion of the handle shaft portion 2 above the front wheel 6 . The bearing portion 55 is connected to the step portion 3 by a link mechanism 4 to be described later so as to move downward along the direction of the central axis A in conjunction with the downward movement of the step portion 3 .

<Link mechanism>
The link mechanism 4 is arranged between the handle shaft portion 2 and the step portion 3 and connects the bearing portion 55 and the front end portion of the step portion 3 . The link mechanism 4 is configured so that the configuration of the kick skater 100 can be folded such that it transitions from the traveling configuration to the transport configuration. The running mode is a state in which the step portion 3 and the rear wheel 7 are separated from the handle shaft portion 2 . The transportation mode is a state in which the step portion 3 and the rear wheel 7 are folded so as to be close to the handle shaft portion 2 . The link mechanism 4 includes a first link member 41 fixed to the bearing portion 55 so as to be rotatable in the vertical direction for folding, a second link member 42 connecting the first link member 41 and the step portion 3, have Note that the link mechanism does not have to have the folding function as described above.

<Handle lock device>
The handle lock device 5 is configured to be able to suppress relative rotation of the handle portion 1 and the handle shaft portion 2 with respect to the step portion 3 . Specifically, the handle lock device 5 is configured to switch between the unlocked state and the locked state of the handle shaft portion 2 based on the load F1 applied to the step portion 3 along the central axis A direction of the handle shaft portion 2. It is

The unlocked state is a state in which relative rotation of the handle shaft portion 2 with respect to the step portion 3 is allowed, as shown in FIGS. The locked state is a state in which relative rotation of the handle shaft portion 2 with respect to the step portion 3 is suppressed, as shown in FIGS. In this embodiment, when the handle portion 1 and the step portion 3 are in the normal positions, the handle shaft portion 2 can be locked.

As shown in FIGS. 5 to 8, in this embodiment, the handle lock device 5 includes a first engaging portion 51, a first stopper 52, a second stopper 53, a second spring 54, a bearing portion 55 and a concave portion 551 provided in the bearing portion 55 .

In this embodiment, the first engaging portion 51 is a member having a pin 512 attached to one end of a first spring 511 , and is provided on the handle shaft portion 2 . Specifically, the first engaging portion 51 is fixed to the inner peripheral surface of the handle shaft portion 2 by a first spring 511 , and the first engaging portion 51 is connected to the outer peripheral surface of the handle shaft portion 2 through a through hole 513 formed in the handle shaft portion 2 . It is attached inside the handle shaft portion 2 so that the pin 512 protrudes. In this embodiment, the first engaging portion 51 is arranged along a direction perpendicular to the central axis B of the handle portion 1 . In other words, when the handle shaft portion 2 is in the normal position and the bearing portion 55 is moved to a first position (to be described later) to be in a locked state, the handle shaft portion 2 is aligned along the central axis C of the step portion 3 as viewed from above. , a pin 512 protrudes from the rear side of the handle shaft portion 2 .

The first spring 511 has a biasing force F2 directed from the inside to the outside of the handle shaft portion 2 along the direction perpendicular to the central axis A so that the pin 512 protrudes from the handle shaft portion 2 through the through hole 513 . Since the first spring 511 is elastically deformed in the vertical direction, when a force is applied to push the pin 512 into the handle shaft portion 2, the first engaging portion 51 contracts, as shown in FIG. , is housed inside the handle shaft portion 2. As shown in FIG. When the first engaging portion 51 is not applied with a force to push the pin 512 into the handle shaft portion 2, the biasing force F2 of the first spring 511 causes the first engaging portion 51 to move toward the outside of the handle shaft portion 2 as shown in FIG. discharged to

The first stopper 52 and the second stopper 53 are annular members provided on the outer peripheral surface of the handle shaft portion 2 with a space therebetween in the vertical direction. A bearing portion 55 is arranged between the first stopper 52 and the second stopper 53 positioned below the first stopper 52 .

The bearing portion 55 has a recessed portion 551 on its inner peripheral surface facing the handle shaft portion 2 . In this embodiment, one recessed portion 551 is provided on the inner peripheral surface of the bearing portion 55 and is a substantially circular hole when viewed from the front. The concave portion 551 is provided at a position facing the through-hole 513 of the handle shaft portion 2 as viewed from above when the handle shaft portion 2 is in the normal position. In other words, the concave portion 551 engages with the pin 512 of the first engaging portion 51 when the handle shaft portion 2 is in the normal position and the bearing portion 55 is moved to the first position described later to be locked. It is provided on the rear side surface of the inner peripheral surface of the bearing portion 55 so that it can be aligned, and is arranged on a line along the central axis C of the step portion 3 when viewed from above.
As shown in FIGS. 5 and 7, the recess 551 has a first inclined portion 552, a bottom surface 553, and a second inclined portion 554. As shown in FIG. The bottom surface 553 is a portion extending in parallel along the central axis A direction outside the inner peripheral surface of the bearing portion 55 with respect to the central axis A. As shown in FIG. Of the surfaces provided between the inner peripheral surface of the bearing portion 55 and the bottom surface 553 , the first inclined portion 552 extends from the inner peripheral surface of the bearing portion 55 toward the upper end portion of the bottom surface 553 along the central axis A direction. It is a portion that slopes so that the diameter gradually increases as it goes downward. Of the surfaces provided between the inner peripheral surface of the bearing portion 55 and the bottom surface 553, the second inclined portion 554 extends from the lower end of the bottom surface 553 to the inner peripheral surface of the bearing portion 55 along the central axis A direction. It is a portion that slopes so that the diameter gradually decreases as it goes downward. In the concave portion 551, the inner peripheral surface of the bearing portion 55 and the first inclined portion 552, the first inclined portion 552 and the bottom surface 553, the bottom surface 553 and the second inclined portion 554, and the second inclined portion 554 and the bearing portion 55 The inner peripheral surface may be curved and smoothly connected without corners.

In this embodiment, the second spring 54 is arranged between the second stopper 53 and the lower end of the bearing portion 55 . The second spring 54 has a biasing force F3 directed upward along the central axis A direction. Since the second spring 54 is elastically deformed in the vertical direction, when a force to move the bearing portion 55 downward is applied to the bearing portion 55, the second spring 54 is contracted, and as shown in FIG. position moves to a second position, which is a position downward from the first position. In FIG. 7, the position indicated by the solid line is the second position, and the position indicated by the dashed line at the upper end of the bearing portion 55 is the first position. When the force to move the bearing portion 55 downward is not applied to the bearing portion 55, the biasing force F3 of the second spring 54 causes the bearing portion 55 to move upward from the second position to the second position as shown in FIG. Move to position 1.

[1-2. Regarding switching between the locked state and the unlocked state by the steering wheel lock device]
In this embodiment, when the downward load F1 is not applied to the step portion 3, the bearing portion 55 is positioned at the first position by the biasing force F3 of the second spring 54, as shown in FIG. When the bearing portion 55 is at the first position, the pin 512 projecting from the outer peripheral surface of the handle shaft portion 2 is inserted into the concave portion 551 by the biasing force F2 of the first spring 511 of the first engaging portion 51 . By inserting the pin 512 into the concave portion 551 in this way, the rotation of the handle shaft portion 2 about the central axis A with respect to the step portion 3 is suppressed by the first engaging portion 51, and the handle shaft portion 2 is locked. state.

In this embodiment, as shown in FIG. 7, when a downward load F1 is applied to the step portion 3, the bearing portion 55 moves in the direction of the central axis A in conjunction with the downward movement of the step portion 3. move downward along the Specifically, when a downward load F1 is applied to the step portion 3, the second spring 54 contracts and the bearing portion 55 moves from the first position to the second position. When the bearing portion 55 moves from the first position to the second position, the pin 512 of the first engaging portion 51 comes into contact with the inner peripheral surface of the bearing portion 55 via the first inclined portion 552 of the concave portion 551. , a force is applied to push the pin 512 inside the handle shaft portion 2 , the first spring 511 contracts, and the pin 512 is pushed inside the handle shaft portion 2 . In this way, the pin 512 is pushed into the handle shaft portion 2 and is disengaged from the recess 551 . The suppression of the rotation is released, the rotation becomes free, and the handle shaft portion 2 is in an unlocked state.

Further, in the present embodiment, when the downward load F1 applied to the step portion 3 is no longer applied to the step portion 3, the bearing portion 55 moves along with the upward movement of the step portion 3. Move upward along the A direction. Specifically, when the downward load F1 applied to the step portion 3 is no longer applied, the bearing portion 55 is moved from the second position to the first position by the biasing force F3 of the second spring 54 . When the bearing portion 55 moves from the second position to the first position, the pin 512 of the first engaging portion 51 is no longer in contact with the inner peripheral surface of the bearing portion 55 of the concave portion 551, so that the pin 512 is moved to the handle shaft portion. 2 is no longer applied, and the pin 512 protrudes from the outer peripheral surface of the handle shaft portion 2 by the biasing force F2 of the first spring 511 and is inserted into the recess 551 . By reinserting the pin 512 that has been removed from the recess 551 into the recess 551 in this way, the rotation of the handle shaft portion 2 about the central axis A with respect to the step portion 3 is suppressed by the first engaging portion 51 . , the handle shaft portion 2 is locked again.

[2. effect]
According to the embodiment detailed above, the following effects are obtained.
(2a) In the present embodiment, when a downward load F1 is applied to the step portion 3, and the bearing portion 55 moves downward together with the step portion 3 from the first position to the second position, the handle lock device 5 is prevented from moving. The shaft portion 2 is brought into an unlocked state. Thus, for example, when the user of the kick skater 100 rides on the step portion 3 and the load F1 is applied, the handle shaft portion 2 is switched from the locked state to the unlocked state by the handle lock device 5, and the handle portion 1 is locked. The lock is released easily. In the handle lock device 5, the downward load F1 is not applied to the step portion 3, and the bearing portion 55 moves upward together with the step portion 3 from the second position to the first position due to the biasing force F3 of the second spring 54. In this case, the handle shaft portion 2 is locked. Thus, when the user of the kick skater 100 gets off the step portion 3, the handle shaft portion 2 is switched from the unlocked state to the locked state by the handle lock device 5, and the handle portion 1 is easily locked. Therefore, it is possible to easily switch the handle shaft portion 2 and the handle portion 1 connected to the handle shaft portion 2 between the locked state and the unlocked state.

Further, since the handle shaft portion 2 is in a locked state when the step portion 3 is not subjected to the downward load F1, for example, when carrying the kick scooter 100 by holding the handle portion 1 or the handle shaft portion 2, the step Rotation of the portion 3 with respect to the handle shaft portion 2 can be suppressed, and stability can be easily obtained. As a result, it becomes easier to maintain balance when carrying the kick skater 100, and when the handle part 1 is lifted for carrying, the step part 3 rotates and collides with surrounding people or objects. can be suppressed.

(2b) In this embodiment, the pin 512 of the first engaging portion 51 provided on the handle shaft portion 2 is inserted into the recess 551 when the bearing portion 55 is at the first position, and the bearing portion 55 is at the second position. It is released from the recess 551 when it is at Therefore, the handle lock device 5 can switch between the locked state and the unlocked state of the handle shaft portion 2 by a simple structure in which the pin 512 is inserted into the recess 551 or removed from the recess 551. can be done.

(2c) In this embodiment, the handle lock device 5 has the second spring 54 . Since the bearing portion 55 is supported by the second spring 54, it also functions as a suspension. Therefore, even if a suspension is not additionally provided as a separate member, the second spring 54 can reduce the influence of vibration from the ground when the scooter 100 is ridden, and the riding comfort can be improved. .

(2d) In this embodiment, the concave portion 551 has the first inclined portion 552 . Therefore, the downward movement of the bearing portion 55 from the first position to the second position can be performed smoothly. Further, when the inner peripheral surface of the bearing portion 55, the first inclined portion 552, and the first inclined portion 552 and the bottom surface 553 are curved and smoothly connected without corners, the first position to the second position The downward movement of the bearing portion 55 to the position can be performed more smoothly.

The bearing portion 55 corresponds to an example of the mounting portion, the pin 512 corresponds to an example of the convex portion, and the second spring 54 corresponds to an example of the biasing member.
[3. Other embodiments]
Although the embodiments of the present disclosure have been described above, it is needless to say that the present disclosure is not limited to the above embodiments and can take various forms.

(3a) In the above-described embodiment, the concave portion 551 is a substantially circular hole when viewed from the front, but the shape of the concave portion 551 is not limited to this. For example, the concave portion may have a substantially elliptical shape when viewed from the front.

Further, for example, the hole may have a shape such that the width becomes narrower downward along the direction of the central axis A when viewed from the front, such as a concave portion 551a shown in FIG. In other words, the recess 551 a has a length from one edge to the other edge of the hole in the circumferential direction of the upper portion 555 that is longer than the length from one edge to the other edge of the hole in the circumferential direction of the lower portion 556 . It may have an elongated shape. The upper part 555 and the lower part 556 are curved and connected smoothly without corners.

In the kick skater 100a having the bearing portion 55a having such a recessed portion 551a, when the bearing portion 55a moves upward relative to the handle shaft portion 2, the first engaging portion 51 first engages the recessed portion 551a. It is inserted into the wide upper portion 555 . In the upper portion 555, the first engaging portion 51 can move in the direction of rotation about the central axis A, that is, in the circumferential direction, within the recess 551a. Therefore, since the movable range of the first engaging portion 51 and the movable range of the handle shaft portion 2 correspond to each other, the handle shaft portion 2 can take a wide angular range with respect to the step portion 3 . Thereafter, when the bearing portion 55a moves further upward, the first engaging portion 51 abuts against the wall surface of the recessed portion 551a, thereby being guided to the lower portion 556 having a narrow width in the circumferential direction. As the width of the concave portion 551a gradually narrows from the top to the bottom in this way, the range of angles that the handle shaft portion 2 can take with respect to the step portion 3 narrows. Therefore, when the user of the kick skater 100a gets off the step portion 3, even if the handle shaft portion 2 is displaced from the predetermined angle with respect to the step portion 3, the handle shaft portion can be The handle portion 1 can be locked at a position where the portion is at a predetermined angle. That is, in the present embodiment, as shown in FIG. 10, when the user of the kick skater 100a gets off the step portion 3, even if the positions of the handle portion 1 and the step portion 3 are shifted from the correct positions, the scooter 100a can be moved to the correct position. The handle portion 1 can be locked in position. In addition, when the upper part 555 and the lower part 556 are curved so as to have no corners and are connected smoothly like the concave part 551a, the guidance from the upper part 555 to the lower part 556 can be performed smoothly.

(3b) In the above embodiment, the concave portion 551 has the first inclined portion 552, the bottom surface 553, and the second inclined portion 554, but the shape of the concave portion is not limited to this. For example, the recess may be configured without the second inclined portion 554 . That is, the recess may have at least a first inclined portion and a bottom surface. Also, the bottom surface of the recess may be curved to form a curved surface. Further, the cross-sectional shape of the recess may be U-shaped or V-shaped by the same cross-section as the cross-section along the central axis A shown in FIG. 5 of the bearing portion.

(3c) In the above embodiment, one first engaging portion 51 is provided on the handle shaft portion 2, and one concave portion 551 is provided on the bearing portion 55. However, the first engaging portion 51 and the concave portion The number of 551 is not limited to this. For example, a plurality of first engaging portions 51 may be provided on the handle shaft portion at predetermined intervals, or a plurality of recesses 551 may be provided on the bearing portion at predetermined intervals.

Further, for example, as in a handle lock device 5b shown in FIG. 11, the handle shaft portion 2b may be provided with eight first engaging portions 51, and the bearing portion 55b may be provided with eight concave portions 551. One end of each of the first springs 511 is fixed to a central member 514 arranged inside the handle shaft portion 2b, and the eight first engagement portions 51 are formed in eight through holes formed in the handle shaft portion 2b. Pins 512 from 513 are attached to the handle shaft portion 2b so as to protrude to the outside of the handle shaft portion 2b. When the handle shaft portion 2b is locked, eight pins 512 projecting from the through holes 513 are inserted into the eight recesses 551, respectively.

Thus, in the structure in which the handle lock device 5b has a plurality of first engagement portions 51 and a plurality of recesses 551, when the user of the kick skater 100b gets off the step portion 3, the handle is pulled against the step portion 3. Even when the shaft portion 2b is displaced from the position of the predetermined angle, the handle portion 1 can be locked at the position where the handle shaft portion 2b is displaced with respect to the step portion 3, as shown in FIG. can. Further, when the user of the kick skater 100b rotates the handle shaft portion 2b from the displaced position, the handle portion 1 is rotated at a position where the handle shaft portion 2b is at a predetermined angle with respect to the step portion 3, for example, at a normal position. can be locked.

(3d) In the handle lock device, the first engaging portions 51 and the recesses 551 may not be provided in the same number. Two or more may be provided. In other words, for example, the number of recesses 551 may be different from the number of first engaging portions 51 .

Further, for example, the number of first engaging portions 51 may be greater than that of the recesses 551 . As in a handle lock device 5c shown in FIG. 13, the handle shaft portion 2b may be provided with eight first engaging portions 51, and the bearing portion 55c may be provided with two concave portions 551. As shown in FIG.

Further, for example, the recesses 551 may be provided more than the first engaging portions 51 . As in a handle lock device 5d shown in FIG. 14, two first engagement portions 51 may be provided on the handle shaft portion 2d, and eight recesses 551 may be provided on the bearing portion 55b.

13 and 14, the handle shafts 2b and 2d are positioned at a predetermined angle with respect to the step portion 3 when the user of the kick skater gets off the step portion 3. Even when the handle shaft portions 2b and 2d are shifted from the step portion 3, the handle portion 1 can be locked. Further, when the user of the kick skater rotates the handle shafts 2b and 2d from the shifted position, the handle portion 1 is locked at a position where the handle shafts 2b and 2d are at a predetermined angle with respect to the step portion 3. can be made

(3e) In the above embodiment, the configuration in which the second spring 54 is arranged between the second stopper 53 and the lower end of the bearing portion 55 was exemplified. and the upper end of the bearing portion 55 .

(3f) In the above embodiment, the first engaging portion 51, the first stopper 52, the second stopper 53, the second spring 54, the bearing portion 55, and the recessed portion 551 provided in the bearing portion 55 constitute the handle lock device 5. However, the structure of the handle lock device is not limited to this.

For example, as shown in FIGS. 15 to 18, the handle lock device 5e includes a first engaging portion 51e, a second spring 54, a bearing portion 55e, and a second engaging portion 551e provided in the bearing portion 55e. , may be configured by

The first engaging portion 51e is provided on a bar-shaped handle shaft portion 2e having a length in the vertical direction. The first engaging portion 51e has a plurality of protrusions protruding perpendicularly to the central axis A of the handle shaft portion 2e from the outer peripheral surface of the handle shaft portion 2e. arranged along a direction. The plurality of projections of the first engaging portion 51e have lengths in the vertical direction. The outer peripheral surface 515 of the first engaging portion 51e has an inclination that gradually approaches the central axis A as it goes downward.

The bearing portion 55e supports the handle shaft portion 2e. The bearing portion 55e has a substantially conical shape, and is arranged with the bottom portion 557 facing upward and the vertex portion 558 facing downward. The bearing portion 55e has a substantially conical space inside the bearing portion 55e. The inner peripheral surface of the bearing portion 55e has an inclination such that it gradually separates from the central axis A upward from the vertex portion 558 . The bearing portion 55e is configured such that the handle shaft portion 2e can pass through the bottom portion 557 and the top portion 558 thereof. The bearing portion 55e is rotatably attached to the handle shaft portion 2e.

The second engaging portion 551e is provided on the bearing portion 55e. The second engaging portion 551e has a plurality of recesses provided on the inner peripheral surface of the bearing portion 55e, and the plurality of recesses are arranged along the circumferential direction of the handle shaft portion 2e. The plurality of concave portions of the second engaging portion 551e have lengths in the vertical direction. The inner peripheral surface 559 of the second engaging portion 551e has an inclination that gradually approaches the central axis A as it goes downward. The inclination angle of the outer peripheral surface 515 of the first engaging portion 51e and the inner peripheral surface 559 of the second engaging portion 551e are substantially the same.

The plurality of protrusions of the first engaging portion 51e and the plurality of recesses of the second engaging portion 551e may be provided so as not to have corners in the circumferential direction.
The second spring 54 is arranged between the first engaging portion 51e and the bottom portion 557 inside the bearing portion 55e. When the second stopper is provided at a position below the apex portion 558 of the bearing portion 55e in the handle shaft portion 2e, the second spring 54 may be arranged between the apex portion 558 and the second stopper. good.

The handle lock device 5e is configured such that the plurality of projections of the first engaging portion 51e and the plurality of recesses of the second engaging portion 551e can be engaged with each other. Specifically, as shown in FIG. 15, when the downward load F1 is not applied to the step portion 3, the bearing portion 55e is positioned at the first position by the biasing force F3 of the second spring . When the bearing portion 55e is at the first position, as shown in FIG. 16, the plurality of convex portions of the first engaging portion 51e and the plurality of concave portions of the second engaging portion 551e are engaged. As a result, the rotation of the handle shaft portion 2e with respect to the step portion 3 about the central axis A is suppressed, and the handle shaft portion 2e is locked.

When a downward load F1 is applied to the step portion 3 as shown in FIG. Move to Specifically, when a downward load F1 is applied to the step portion 3, the second spring 54 contracts and the bearing portion 55e moves from the first position to the second position. In FIG. 17, the position indicated by the solid line is the second position, and the position indicated by the broken line is the first position. When the bearing portion 55e moves from the first position to the second position, as shown in FIG. 18, the recesses of the first engaging portion 51e and the recesses of the second engaging portion 551e When a clearance is created between them and the engagement is disengaged, the suppression of the rotation of the handle shaft portion 2e about the central axis A with respect to the step portion 3 is released, the rotation becomes free, and the handle shaft portion 2e is in an unlocked state. becomes.

Further, when the downward load F1 applied to the step portion 3 is no longer applied to the step portion 3, the bearing portion 55e is moved from the second position to the first position by the biasing force F3 of the second spring 54, and the step portion 3 moves upward along the central axis A direction. Then, when the bearing portion 55e moves from the second position to the first position, the plurality of protrusions of the first engaging portion 51e and the plurality of recesses of the second engaging portion 551e are engaged with each other, thereby moving the handle. Rotation of the shaft portion 2e about the central axis A with respect to the step portion 3 is suppressed, and the handle shaft portion 2e is locked again.

With such a structure of the handle lock device 5e, it is possible to obtain the same effects as the above-described (2a) and (2c) of the structure of the above embodiment. Further, by a simple configuration of engaging the first engaging portion 51e and the second engaging portion 551e or disengaging the first engaging portion 51e and the second engaging portion 551e, the handle shaft can be A handle lock device 5e capable of switching between the locked state and the unlocked state of the portion 2e can be configured. Also, a plurality of first engaging portions 51e and second engaging portions 551e are provided. Therefore, when the user of the kick skater gets off the step portion 3, even if the handle shaft portion 2e is displaced from the position where the handle shaft portion 2e is at a predetermined angle with respect to the step portion 3, the handle shaft portion 2e is The handle portion 1 can be locked at the displaced position of the portion 2e. That is, the handle portion 1 can be locked at various positions different from the regular position. In addition, the user of the kick skater applies a force to rotate the handle portion 1 about the central axis A from the displaced position, thereby rotating the handle shaft portion 2e and causing the handle shaft portion 2e to rotate with respect to the step portion 3. The handle portion 1 can be locked at a position with a predetermined angle.

(3g) In the handle lock device 5e shown in FIGS. 16 and 18, the first engaging portion 51e has 12 convex portions and the second engaging portion 551e has 12 concave portions. The number of convex portions of the first engaging portion 51e and the number of concave portions of the second engaging portion 551e are not limited to this. For example, the number of protrusions of the first engaging portion 51e and the number of recesses of the second engaging portion 551e may be 1 to 11, or 13 or more. Also, for example, the number of protrusions of the first engaging portion 51e and the number of recesses of the second engaging portion 551e may not be the same. In other words, for example, the number of concave portions of the second engaging portion 551e may be different from the number of convex portions of the first engaging portion 51e.

For example, the number of convex portions of the first engaging portion 51e may be larger than the number of concave portions of the second engaging portion 551e. Like the handle lock device 5f shown in FIG. 19, the handle shaft portion 2e is provided with a first engaging portion 51e having twelve protrusions, and the bearing portion 55f has two recesses having lengths in the circumferential direction. A second engaging portion 551f may be provided.

Further, for example, the number of concave portions of the second engaging portion 551e may be larger than the number of convex portions of the first engaging portion 51e. Like the handle lock device 5g shown in FIG. 20, the handle shaft portion 2g is provided with a first engaging portion 51g having two convex portions, and the bearing portion 55e is provided with a second engaging portion 551e having 12 concave portions. may be provided.

(3h) In the above embodiment, the bearings 55, 55a to 55c, 55e, and 55f move downward in conjunction with the downward movement of the step. It may have a mounting portion that moves downward in conjunction with the downward movement of the step portion. That is, the mounting portion is a tubular mounting portion that is rotatably mounted on the handle shaft portion, and has at least a function of moving downward in conjunction with the downward movement of the step portion. . In that case, the bearing portion that supports the handle shaft portion may be provided separately.

(3i) In the above embodiment, when a downward load is not applied to the step portion, the biasing member having a biasing force that moves the bearing portion upward in conjunction with the upward movement of the step portion includes: Although the configuration having the second spring 54 is exemplified, the biasing member is not limited to a coil spring.

(3j) The function of one component in the above embodiments may be distributed as multiple components, or the functions of multiple components may be integrated into one component. Also, part of the configuration of the above embodiment may be omitted. Also, at least a part of the configuration of the above embodiment may be added, replaced, etc. with respect to the configuration of the other above embodiment. It should be noted that all aspects included in the technical idea specified by the wording in the claims are embodiments of the present disclosure.

Reference Signs List 1 Handle portion 2, 2b, 2d, 2e, 2g Handle shaft portion 3 Step portion 4 Link mechanism 5, 5b to 5g Handle lock device 6 Front wheel 7 Rear wheel 31 Support portion 32 Curved member 41 First link member 42 Second link member 55, 55a to 55c, 55e, 55f Bearing portion 51, 51e, 51g First engagement portion 52 Second 1 stopper 53 second stopper 54 second spring 100, 100a, 100b kick skater 511 first spring 551, 551a concave portion 512 pin 513 through hole 514 central member 515... Peripheral surface 551e, 551f... Second engaging portion 552... First inclined part 553... Bottom surface 554... Second inclined part 555... Upper part 556... Lower part 557... Bottom part 558... Vertex Part, 559... Inner peripheral surface, A, B, C... Center axis, F1... Load, F2, F3... Biasing force.

Claims (9)

A mobile body that can be carried,
a step portion on which a user of the moving object rides when traveling and to which the rear wheels are connected;
a handle portion used by the user for operation during running;
a handle shaft portion that connects the handle portion and the front wheel so that the operation of the handle portion and the movement of the front wheel are interlocked, and is connected to the step portion so as to rotate relative to the step portion;
The unlocked state in which the rotation is allowed and the locked state in which the rotation is suppressed can be switched based on the load applied to the step portion along the central axis direction of the handle shaft portion. a steering wheel locking device,
with
The handle lock device sets the handle shaft portion in the unlocked state when a downward load toward the front wheel side along the central axis direction is applied to the step portion. The mobile object according to claim 1,
the step portion is configured such that at least a portion of the step portion moves downward when a load is applied downward;
The handle lock device is
a mounting portion that is rotatably mounted on the handle shaft portion and configured to move downward in conjunction with the downward movement of the step portion;
A moving body, wherein the handle shaft portion is brought into the unlocked state when the mounting portion moves downward. The mobile object according to claim 2,
The handle lock device is
a biasing member having a biasing force directed upward in a direction opposite to the downward direction along the direction of the central axis;
The movable body, wherein the handle shaft portion is brought into the locked state when the downward load is not applied to the step portion and the mounting portion is moved upward by the urging force of the urging member. A mobile body that can be carried,
a step portion on which a user of the moving object rides when traveling and to which the rear wheels are connected;
a handle portion used by the user for operation during running;
a handle shaft portion that connects the handle portion and the front wheel so that the operation of the handle portion and the movement of the front wheel are interlocked, and is connected to the step portion so as to rotate relative to the step portion;
The unlocked state in which the rotation is allowed and the locked state in which the rotation is suppressed can be switched based on the load applied to the step portion along the central axis direction of the handle shaft portion. a steering wheel locking device,
with
The handle lock device sets the handle shaft portion in the locked state when a downward load, which is a direction toward the front wheel side along the central axis direction, is not applied to the step portion. The mobile object according to claim 4,
The step portion is configured such that at least part of the step portion moves within a predetermined range in the vertical direction,
The handle lock device is
a mounting portion that is rotatably mounted on the handle shaft portion and configured to move in the upward direction in conjunction with upward movement of the step portion in the vertical direction;
a biasing member having the upward biasing force,
The movable body, wherein the handle shaft portion is brought into the locked state when the downward load is not applied to the step portion and the mounting portion is moved upward by the urging force of the urging member. The moving body according to any one of claims 2, 3 and 5,
The handle lock device is
having a first engaging portion provided on the handle shaft portion and a second engaging portion provided on the mounting portion;
when the mounting portion is positioned at the first position and the first engaging portion and the second engaging portion are engaged with each other, the handle shaft portion is brought into the locked state;
When the mounting portion is positioned at a second position lower than the first position and the engagement between the first engaging portion and the second engaging portion is disengaged, the handle shaft portion is unlocked. A mobile body that is in a state. The mobile object according to claim 6,
the first engaging portion is at least one projection projecting from the outer peripheral surface of the handle shaft;
The mounting portion has a cylindrical shape,
The handle shaft portion penetrates the interior of the mounting portion,
The second engaging portion is at least one recess provided on an inner peripheral surface of the mounting portion facing the handle shaft portion,
The at least one projection is inserted into the at least one recess when the mounting portion is in the first position and disengaged from the at least one recess when the mounting portion is in the second position. Constructed, moving body. The mobile object according to claim 7,
The moving body, wherein the at least one concave portion has a shape in which the width along the circumferential direction of the mounting portion becomes narrower toward the lower side along the central axis direction. The moving body according to claim 7 or claim 8,
The moving body, wherein the number of the at least one concave portion is different from the number of the at least one convex portion.

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