JP2017140946A - Moving position adjustment mechanism, child seat device, and two-wheeler - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a moving position adjustment mechanism capable of stably fixing a movable member to a child seating device body without play in the long moving distance state of the movable member with respect to the child seating device body.SOLUTION: A moving position adjustment device 30 has: a head guard 16 that is provided so as to be movable with respect to a child seating device body 12; projected parts 32B provided to the child seating device body 12; a long member 34 provided with a plurality of recessed parts 36A that are provided to the head guard 16 along the moving direction of the head guard 16 and engaged with the projected parts 32B; and an operation lever 38 that is provided to the head guard 16 so as to be movable, and that moves between a locking position at which the long member 34 is pressed to fix one of the recessed parts 36A in the engaged state with one of the projected parts 32B and a lock releasing position at which the pressing of the long member 34 is released to move the recessed parts 36A in a direction away from the projected parts 32B.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a moving position adjusting mechanism, a child riding apparatus and a two-wheeled vehicle provided with the moving position adjusting mechanism.

  2. Description of the Related Art Conventionally, a child seat device attached to a bicycle or the like has been known that includes a height adjusting mechanism that slides and fixes a headrest to a predetermined height.

  Patent Document 1 below relates to any one of a head guard provided to be movable in the vertical direction with respect to the apparatus main body, a plurality of recesses provided in the apparatus main body, and a recess disposed in the head guard. A child-carrying device including a slide piece to be joined is disclosed. The head guard is provided with a lever that moves between a locked state and an unlocked state. The lever is locked by the force of the coil spring, and the slide piece is engaged with the recess when the lever presses the slide piece. In the unlocked state of the lever, the slide piece is detached from the recess. In addition, there exists a thing described in patent documents 2-4 as a structure provided with the height adjustment mechanism of the head guard (headrest) which moves to an up-down direction with respect to the apparatus main body of the child seat apparatus.

Japanese Patent Laying-Open No. 2015-107232 JP 2010-269778 A JP 2010-267979 A JP, 2015-81007, A

  In general, in a child seat apparatus, it is desired to increase the moving distance (stroke) of the head guard that moves relative to the apparatus main body.

  However, in the configuration described in Patent Document 1, the slide piece arranged on the head guard is engaged with any one of the plurality of concave portions of the apparatus main body. On the other hand, there is a possibility that the head guard rattles.

  The present invention has been made in view of the above problems, and it is possible to stably fix the movable member to the child resting apparatus main body without rattling in a state where the moving distance of the movable member relative to the child resting apparatus main body is increased. It is an object of the present invention to provide a movable position adjusting mechanism, a child carrying device, and a two-wheeled vehicle.

  In order to solve the above-described problem, a moving position adjusting mechanism according to the invention described in claim 1 includes a movable member provided to be movable with respect to the child riding device main body, and a cover provided on the child riding device main body. An engaging portion, a long member provided on the movable member along the moving direction of the movable member, and provided with a plurality of engaging portions that engage with the engaged portion, and movable to the movable member A locking position for pressing the long member and fixing any one of the plurality of engaging portions engaged with the engaged portion; and releasing the pressing of the long member. And an unlocking position that allows the plurality of engaging portions to move in a direction in which they are disengaged from the engaged portions.

  According to the first aspect of the present invention, the movable member is provided so as to be movable with respect to the child riding device main body, and the engaged portion is provided in the child riding device main body. The movable member is provided with a long member including a plurality of engaging portions that engage with the engaged portion along the moving direction of the movable member. The movable member is provided with an operation portion that moves between a lock position and an unlock position. When the operation portion moves to the lock position, the operation portion presses the long member, so that a plurality of engagement portions are pressed. The long member is fixed in a state in which any one of these is engaged with the engaged portion. Further, when the operation unit moves to the unlocking position, the operation unit releases the elongate member so that the plurality of engaging units can move in the direction of separating from the engaged unit. Accordingly, when the operation unit is moved to the unlocking position and the movable member is moved with respect to the child resting device main body, the plurality of engaging portions are separated from the engaged portions, so that the movable member with respect to the child resting device main body Can be adjusted. In such a configuration, since the long member having a plurality of engaging portions is provided on the movable member along the moving direction of the movable member, the moving distance (stroke) of the movable member relative to the child resting apparatus main body is increased. can do. Further, when the movable member is moved relative to the child resting apparatus main body, any one of the plurality of engaging portions of the movable member is engaged with the engaged portion of the child resting apparatus main body. It can be stably fixed without rattling on the child riding device.

  According to a second aspect of the present invention, in the first aspect of the present invention, either one of the long member and the operation portion is in contact with the other of the long member and the operation portion, and the operation is performed. An elastic body is provided that allows the plurality of engaging portions to move away from the engaged portion when the portion moves to the unlocked position.

  According to the second aspect of the present invention, either one of the long member and the operation portion is provided with the elastic body that contacts the other of the long member and the operation portion, and the operation portion is in the unlocked position. When moved, the elastic body allows the plurality of engaging portions to move in a direction of separating from the engaged portions. For this reason, when the operation unit moves to the unlocking position, the plurality of engaging units move away from the engaged units due to deformation of the elastic body. Is disengaged, and the movable member can be moved relative to the main body of the child. Further, the long member can be moved to the engaged portion side so that any one of the plurality of engaging portions comes into contact with the engaged portion by the elastic restoring force of the elastic body. Furthermore, when the elastic body is in contact with the other of the long member and the operation unit, the long member and the operation unit in the longitudinal direction of the long member are released in a state where the pressing of the long member by the operation unit is released. It is possible to maintain a proper positional relationship.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, the movable member is provided with a biasing member that biases the operation portion toward the lock position.

  According to the third aspect of the present invention, the movable member is provided with the urging member, and the operation portion is pressed toward the lock position by the force of the urging member. In this state, the operating unit presses the long member and engages any one of the plurality of engaging portions with the engaged portion, so that the engagement between the engaging portion and the engaged portion is stabilized. .

  According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the operation portion extends to a back side of the plurality of engaging portions in the long member. An extension portion; and provided at the extension portion, and in contact with a contact portion on a back surface side of the plurality of engagement portions at the lock position, and any one of the plurality of engagement portions is engaged with the engagement portion. And a projecting portion to be engaged.

  According to the fourth aspect of the present invention, the operating portion includes the extending portion extending to the back side of the plurality of engaging portions in the long member, and the protruding portion provided on the extending portion is locked. In contact with the contact portions on the back side of the plurality of engaging portions in the long member. Thereby, the contact part of a long member is pressed by a projection part, and any one of a plurality of engaging parts can be firmly engaged with an engaged part.

  The invention according to claim 5 is the invention according to claim 2, wherein the elastic body is provided on a wall on the back side of the plurality of engaging portions in the long member, and a distal end portion thereof is the operation portion. It is set as the structure which contacts.

  According to the fifth aspect of the present invention, the elastic body is provided on the back wall of the plurality of engaging portions in the long member, and the tip of the elastic body is in contact with the operation portion. As a result, since the distal end portion of the elastic body comes into contact with the operation portion in a state where the operation portion moves to the unlocking position and the long member is released, the long member and the operation portion in the longitudinal direction of the long member Can be stably maintained.

  The invention according to claim 6 is the invention according to any one of claims 1 to 5, wherein the engaged portion penetrates the movable member, and the movable member moves in the moving direction. Guide holes are provided along the guide holes.

  According to the sixth aspect of the present invention, the movable member is provided with the guide hole arranged along the moving direction of the movable member, and the child is placed in a state where the engaged portion penetrates the guide hole. The movable member moves relative to the apparatus main body. Thereby, a movable member can be smoothly moved with respect to the child riding apparatus main body in a state where the guide hole is guided by the engaged portion.

  According to a seventh aspect of the present invention, a child-carrying apparatus includes the moving position adjusting mechanism according to any one of the first to sixth aspects.

  According to the seventh aspect of the present invention, since the long member having a plurality of engaging portions is provided on the movable member along the moving direction of the movable member, the moving distance of the movable member with respect to the child riding device main body (Stroke) can be lengthened. Further, when the movable member is moved with respect to the child resting apparatus main body, any one of the plurality of engaging portions of the long member is engaged with the engaged portion of the child resting apparatus main body. Can be stably fixed to the body of the child.

  In the two-wheeled vehicle according to the eighth aspect of the present invention, the child riding device according to the seventh aspect is attached to the two-wheeled vehicle body.

  According to the eighth aspect of the invention, since the child riding device according to the seventh aspect is attached to the two-wheeled vehicle body, the moving distance (stroke) of the movable member relative to the child riding device main body can be increased. The movable member can be stably fixed to the child carrying device body.

  ADVANTAGE OF THE INVENTION According to this invention, a movable member can be stably fixed to a child carrying apparatus main body, without rattling, in the state which lengthened the movement distance of the movable member with respect to the child carrying apparatus main body.

It is a perspective view which shows the child riding apparatus provided with the movement position adjustment apparatus which is one Embodiment of this invention in the state seen from the front side. FIG. 2 is a perspective view showing a state where the head guard and the foot guard are moved with respect to the child riding device main body in the child riding device shown in FIG. 1. (A) is a perspective view showing the child riding device shown in FIG. 2 as seen from the rear side, and is a diagram showing a normal state (state when locked) of the operation lever, (B) FIG. 3 is an enlarged perspective view of the vicinity of an operation lever. It is a front view which shows the head guard used for the child carrying apparatus shown in FIG. 1 in the state which removed the cover, Comprising: It is a figure which shows the whole structure of a movement position adjustment apparatus. (A) is the perspective view which shows the state which looked at the child riding apparatus main body used for the child riding apparatus shown in FIG. 1 from the front side, (B) is expanded the convex part vicinity used for a child carrying apparatus main body. FIG. It is a front view shown in the state which decomposed | disassembled the operation lever used for the child riding apparatus shown in FIG. (A) is a front view which shows the head guard used for the child riding apparatus shown in FIG. 1, (B) is a perspective view which shows a head guard. It is a perspective view which shows the state (state at the time of lock release) where the operation lever of the child carrying apparatus shown in FIG.3 (B) was pulled up. It is a front view which shows the state by which the operation lever provided in the head guard was pulled up and the lock | rock of the movement position adjustment apparatus was cancelled | released. It is the front view which expanded a part which shows the process in which a head guard is moved with respect to the child riding device main body. It is the front view which expanded a part which shows the process in which a head guard is moved with respect to the child riding device main body. It is the front view which expanded a part which shows the process in which a head guard is moved with respect to the child riding device main body. It is the front view which expanded a part which shows the process in which a head guard is moved with respect to the child riding device main body. It is a front view which shows the state which moved the head guard with respect to the child riding apparatus main body, and the movement position adjustment apparatus was locked.

  Hereinafter, with reference to FIG. 1 to FIG. 14, a description will be given of a child riding device provided with a moving position adjusting mechanism according to an embodiment of the present invention. In addition, arrow UP shown suitably in the figure has shown the upper side of the child carrying apparatus, arrow FR has shown the front side of the child carrying apparatus, and arrow W is the width direction outer side or inner side of the child carrying apparatus. Is shown.

  FIG. 1 is a perspective view of a child-carrying apparatus provided with a moving position adjusting mechanism according to an embodiment of the present invention as viewed from the front side. FIG. 2 is a perspective view showing a state in which the head guard as a movable member provided in the child resting apparatus shown in FIG. 1 is moved with respect to the child resting apparatus main body. FIG. 3A shows a perspective view of the child carrying device shown in FIG. 2 as viewed from the rear side. As shown in FIGS. 1 to 3A, the two-wheeled vehicle 2 includes a handle bar 4 connected to an upper portion of a handle post (not shown) extending substantially along the vertical direction. The handle bar 4 includes a lower bar 4A disposed substantially along the width direction, a side bar 4B extending upward from both ends of the lower bar 4A, and an outer side in the width direction and diagonally from the upper end of the side bar 4B. And an end bar 4C extending to the rear side.

  As shown in FIGS. 1 to 3A, the child riding device 10 is attached to the upper portion of the lower bar 4 </ b> A of the handle bar 4 via a mounting portion 6 (see FIG. 3A). (Seat part) 12 is provided. The child carrying device main body 12 includes a seat 12A on which a child can sit, a backrest 12B extending so as to stand upward and obliquely rearward from the rear of the seat 12A, and a seat from the backrest 12B. 12A includes a side surface portion 12C that is erected continuously so as to surround both sides of 12A, and a front surface portion 12E that extends over the front lower side of the side surface portions 12C on both sides. The seat portion 12A, the backrest portion 12B, the side surface portion 12C, and the front surface portion 12E are integrally provided so as to form a continuous curved surface. Between the front surface portion 12E and the seat portion 12A, there is provided an opening portion 12F through which the leg portion is inserted when a child is seated on the seat portion 12A. The side portions 12C on both sides of the child riding device main body 12 are attached to the side bars 4B of the handle bar 4 by the attachment portions 7, respectively.

  A substantially inverted U-shaped handle portion (grip member) 14 that guards the front side of the child seated on the seat portion 12 </ b> A is provided on the front upper portion of the side surface portion 12 </ b> C on both sides of the child riding device main body 12. By providing the handle portion 14, a child seated on the seat portion 12A can hold the handle portion 14 and support his / her body.

  On the upper side of the inner side surface (front side surface) of the backrest portion 12B of the child resting apparatus main body 12, a head guard (headrest) 16 as a movable member is provided so as to partially overlap the inner side surface of the backrest portion 12B. Is provided. The head guard 16 protects the head of a child seated on the seat 12A. The head guard 16 is formed in a curved shape in which both sides protrude forward from the rear surface portion, and protects the back and temporal regions of the child seated on the seat 12A.

  On the front side of the seat portion 12A, a foot guard (foot rest) 18 on which a child's foot is placed is provided at a position facing the opening portion 12F. A base portion 20 that slopes downward toward the front side is provided at the lower front portion of the seat portion 12A, and the foot guard 18 can move substantially vertically along the base portion 20. Yes.

  As shown in FIG. 4, the child carrying device 10 has a moving position adjusting device (moving position adjusting device (moving position adjusting device)) that moves the head guard 16 substantially vertically along the backrest portion 12B and fixes it at a predetermined position. (Height adjusting device) 30 is provided. FIG. 4 shows a locked state in which the head guard 16 is fixed to the backrest 12B. The movement position adjusting device 30 is provided on the head guard 16 and a plurality of protrusions 32 provided with convex portions 32B on the left and right sides as engaged portions provided on the backrest portion 12B of the child resting device body 12. And long members 34 on both the left and right sides having a plurality of recesses 36A as engaging portions. In addition, the movement position adjusting device 30 includes an operation lever 38 as an operation unit provided so as to be movable with respect to the head guard 16.

  5A and 5B show perspective views of the child riding device main body 12 alone. As shown in FIGS. 5A and 5B, the upper part of the backrest part 12 </ b> B of the child resting apparatus main body 12 projects forward from the inner side surface 31 (front side face) of the backrest part 12 </ b> B. Protrusions 32 on the left and right sides are provided. The left and right projecting portions 32 are arranged at substantially the same height as the backrest portion 12B, and are bilaterally symmetric. The protrusion 32 is formed in a substantially L shape in a plan view of the child carrying device main body 12. More specifically, the projecting portion 32 includes a standing portion 32A arranged from the inner side surface 31 of the backrest portion 12B toward the front side, and a width direction inside of the backrest portion 12B from the tip of the standing portion 32A. And a convex portion 32 </ b> B arranged toward the top. In the present embodiment, the wall surface on the inner side in the width direction of the convex portion 32B is formed in a substantially V shape. More specifically, the convex portion 32B includes an upper inclined portion 32C that is inclined from the central portion in the vertical direction toward the upper side and the outer side in the width direction on the inner wall surface in the width direction, and the lower side and the width from the central portion in the vertical direction. A lower inclined portion 32D that is inclined outward in the direction (see FIG. 5B). The protruding portion 32 is fastened and fixed to the backrest portion 12 </ b> B with a screw 33.

  7A and 7B, the head guard 16 alone is shown in a front view and a perspective view. As shown in FIGS. 4 and 7A, 7B, the head guard 16 includes a center portion 16A disposed substantially vertically along the backrest portion 12B (see FIG. 1), and a center portion 16A. Left and right wing portions 16B extending to both sides in the width direction along the backrest portion 12B and the side surface portion 12C (see FIG. 1). The center portion 16A is formed in a substantially rectangular shape when the head guard 16 is viewed from the front. More specifically, the center portion 16A has a front wall portion 40A that protrudes forward from the left and right wing portions 16B, and a recess that is recessed rearward through a step portion 40B at the center in the width direction of the front wall portion 40A. And a rectangular bottom wall portion 40C. Guide holes 42 are formed along the moving direction (substantially up and down direction) of the head guard 16 at the step portions 40B on the left and right sides and the boundary portions between the step portions 40B and the front wall portion 40A. The convex portions 32B of the backrest portion 12B are respectively penetrated through the guide holes 42 (see FIG. 4). In this state, the head guard 16 moves up and down with respect to the backrest 12B. At this time, the guide hole 42 of the head guard 16 is guided by the protrusion 32 of the backrest 12B.

  As shown in FIG. 4, the two long members 34 are arranged along the moving direction (substantially up and down direction) of the head guard 16 on both sides in the width direction in the bottom wall portion 40 </ b> C of the head guard 16. It is formed symmetrically (see FIG. 6). The lower end portion of the long member 34 is disposed so as to contact the lower step portion 40B of the bottom wall portion 40C.

  FIG. 6 is a front view of the pair of left and right elongated members 34 and the operation lever 38 in an exploded state. As shown in FIGS. 4 and 6, the elongated member 34 has a plurality of recesses 36 </ b> A formed in a substantially vertical direction on a wall portion on the outer side in the width direction (outside in the width direction of the head guard 16). Between adjacent recesses 36 </ b> A is a top portion 36 </ b> B that protrudes outward in the width direction. The plurality of recesses 36A are configured to be engaged with the protrusions 32B of the backrest portion 12B, and when the head guard 16 is locked to the backrest portion 12B, one of the plurality of recesses 36A is the backrest portion 12B. It is adapted to be engaged with the convex portion 32B (see FIG. 4). In the present embodiment, the concave portion 36A includes an upper inclined portion 36C that is inclined upward and laterally outward from the central portion in the vertical direction, and a lower slope that is inclined downward and laterally outward from the central portion in the vertical direction. Side inclined portion 36D (see FIG. 6). The upper inclined portion 36C of the concave portion 36A has a shape corresponding to the upper inclined portion 32C of the convex portion 32B, and the lower inclined portion 36D of the concave portion 36A has a shape corresponding to the upper inclined portion 32C of the convex portion 32B. (See FIG. 5). The plurality of recesses 36A have a shape in which upper inclined portions 36C and lower inclined portions 36D are arranged alternately and continuously along a substantially vertical direction.

  An elastic body 44 that extends while curving toward the inner side in the width direction (the inner side in the width direction of the head guard 16) and the lower side is provided on the back wall 34A of the plurality of recesses 36A in the long member 34. The elastic body 44 has a shape in which the middle portion in the longitudinal direction is curved in a convex shape toward the upper side in the vertical direction, and the distal end portion of the elastic body 44 is formed in a spherical shape. The elastic body 44 is provided at two locations in the vertical direction of the wall 34 </ b> A of the long member 34. With the pair of left and right elongate members 34 disposed on the bottom wall portion 40C of the head guard 16, the distal end portion of the elastic body 44 is in contact with an extension portion 38B described later of the operation lever 38 (see FIG. 4). ). The function of the elastic body 44 will be described later.

  A protruding portion 46 as a contact portion that protrudes inward in the width direction (inward in the width direction of the head guard 16) is provided on the wall 34 </ b> A on the back side of the plurality of recesses 36 </ b> A in the long member 34. Three protrusions 46 are formed at intervals in the vertical direction of the wall 34 </ b> A of the long member 34. In the present embodiment, a protrusion 46 is provided at the upper end of the long member 34, and the two protrusions 46 on the lower side in the vertical direction are provided between the two elastic bodies 44. Further, a projecting portion 47 as a contact portion projecting inward in the width direction (inward in the width direction of the head guard 16) is provided at the lower end portion of the wall 34A of the long member 34. As described above, the pair of left and right elongate members 34 are disposed on the bottom wall portion 40C of the head guard 16, and when the head guard 16 is locked to the backrest portion 12B, the protrusion 46 and the protrusion 47 are operated by the operation lever 38. Each of them is in contact with a protrusion 56 described later (see FIG. 4). In the present embodiment, the long member 34 is integrally formed of synthetic resin.

  As shown in FIG. 4, the operation lever 38 is disposed substantially vertically in the center in the width direction in the bottom wall portion 40 </ b> C of the head guard 16 (see FIG. 6). The operation lever 38 is movable in the substantially vertical direction with respect to the head guard 16. As shown in FIGS. 4 and 6, the operation lever 38 includes a substantially rectangular grip 38 </ b> A disposed at the upper end in the vertical direction when viewed from the front, and 2 extending downward from the lower portion of the grip 38 </ b> A. Two extending portions 38B. The two extending portions 38B extend along the wall 34A on the back side of the plurality of recessed portions 36A in the long member 34. The two extending portions 38B are formed symmetrically, and a concave portion 48 that is recessed outward in the width direction is formed in the middle portion in the vertical direction (lower side than the central portion in the vertical direction). The concave portion 48 is formed in a substantially rectangular shape, and a spring 52 (FIG. 4) as a biasing member disposed in a substantially vertical direction is formed on the lower wall portion 48A (see FIG. 6) on the lower side of the concave portion 48. The support part 50 in which the lower end of the reference is supported is formed.

  As shown in FIG. 4, a pair of left and right projections 54 projecting forward are provided on the bottom wall portion 40C of the head guard 16 (see FIG. 7). The protrusion 54 is bilaterally symmetric and is formed in a substantially L shape. The projection 54 of the head guard 16 is inserted into the concave portion 48 of the operation lever 38 disposed on the bottom wall portion 40 </ b> C of the head guard 16, and the upper end of the spring 52 is supported by the projection 54. As a result, the operation lever 38 is biased by the spring 52 toward the lower lock position (position shown in FIG. 4) with respect to the head guard 16. The head guard 16 is provided with a stopper 70 against which the lower surface of the gripping portion 38A hits when the operation lever 38 is locked (see FIG. 7). The stopper 70 is formed in a pair of left and right on the top of the head guard 16. When the lower surface of the grip portion 38A of the operation lever 38 hits the stopper 70, the operation lever 38 is held at the lock position. That is, in a normal state, the operation lever 38 is held at a locked position where the lower surface of the gripping portion 38 </ b> A hits the stopper 70 of the head guard 16 by the force of the spring 52.

  As shown in FIGS. 4 and 6, a plurality of protrusions projecting outward in the width direction (outside in the width direction of the head guard 16) are formed on the outer wall 38 </ b> C in the width direction of the two extending portions 38 </ b> B of the operation lever 38. 56 is formed. The protrusion 56 is formed in an arc shape when viewed from the front. Four protrusions 56 are formed at positions corresponding to the three protrusions 46 and the lower end protrusion 47 of the long member 34. In the present embodiment, the second protrusion 56 from the lower side of the extending portion 38 </ b> B is provided at a position adjacent to the outer wall of the recessed portion 48. In the present embodiment, the operation lever 38 is integrally formed of synthetic resin.

  As shown in FIG. 4, when the operation lever 38 is locked, the four protrusions 56 on the left and right sides of the operation lever 38 come into contact with the three protrusions 46 and the protrusion 47 on the lower end side of the long member 34, respectively. doing. Accordingly, the long member 34 is pressed outward in the width direction of the head guard 16 by the four protrusions 56 of the operation lever 38, and the upper end and the lower end in the longitudinal direction of the long member 34 are in the vertical direction of the head guard 16. And one of the plurality of concave portions 36A of the long member 34 is engaged with the convex portion 32B of the backrest portion 12B. That is, when the four protrusions 56 of the operation lever 38 press the long member 34, any one of the plurality of concave portions 36A of the long member 34 is engaged with the convex portion 32B of the backrest portion 12B. Thus, the long member 34 is fixed.

  The front ends of the two elastic bodies 44 of the long member 34 are in contact with the outer wall 38C in the width direction of the extending portion 38B.

  As shown in FIG. 3B, a substantially rectangular opening 58 is provided in the upper portion of the head guard 16 (see FIG. 7), and the holding portion 38A of the operation lever 38 is provided in the opening 58. A part of the rear is exposed. A handle 38 </ b> D whose lower side is recessed in a concave shape is provided at the rear part of the gripping part 38 </ b> A. As shown in FIG. 8, a finger is put on the handle 38 </ b> D and the operation lever 38 is pulled upward with respect to the head guard 16 as indicated by an arrow A. As a result, as shown in FIG. 9, the lower wall portion 48 </ b> A of the concave portion 48 of the operation lever 38 compresses the spring 52, and the operation lever 38 moves to the lock release position against the urging force of the spring 52. In this state, a gap is generated between the protrusion 56 of the operation lever 38 and the protrusion 46 of the long member 34. At that time, the elongate member 34 is held at a position where the concave portion 36A contacts the convex portion 32B of the backrest portion 12B by the tip portion of the elastic body 44 contacting the wall 38C of the extending portion 38B of the operation lever 38. Has been. Due to the bending deformation of the elastic body 44, the long member 34 can move to the extending portion 38B side of the operation lever 38, and the engagement between the concave portion 36A of the long member 34 and the convex portion 32B of the backrest portion 12B is released. It has become so. In other words, the elastic body 44 is configured to allow the concave portion 36A of the long member 34 to move in a direction away from the convex portion 32B of the backrest portion 12B when the operation lever 38 moves to the unlocking position. ing.

  As shown in FIG. 5, two cylindrical attachment portions 60 are provided in the center portion in the width direction of the inner side surface 31 of the backrest portion 12 </ b> B with an interval in the vertical direction. Screws 62 (see FIG. 4) are fastened and fixed to the mounting portions 60, respectively. 4 and 7, an elongated slide hole 64 is formed in the center portion in the width direction of the center portion 16A of the head guard 16 along the moving direction (substantially up and down direction) of the head guard 16. Yes. The outer diameter of the attachment portion 60 (see FIG. 5) is smaller than the width of the slide hole 64, and the attachment portion 60 is inserted into the slide hole 64. The head of the screw 62 is larger than the width of the slide hole 64. The shaft portion of the screw 62 passes through the slide hole 64 and is fastened and fixed to the attachment portion 60 of the backrest portion 12B. Thereby, the head of the screw 62 presses the inner side surface (the surface opposite to the backrest portion 12B) of the headguard 16, and the headguard 16 does not come off from the backrest portion 12B of the child resting apparatus main body 12. It is like that.

  The slide hole 64 is provided at a position corresponding to the movement range of the head guard 16. As a result, the head guard 16 moves in the vertical direction along the inner side surface 31 of the backrest portion 12B of the child rest device main body 12 in a state where the shaft portion of the screw 62 penetrates the slide hole 64. That is, the vertical movement of the head guard 16 is guided by the attachment portion 60 of the backrest portion 12B sliding on the slide hole 64 of the head guard 16. In the present embodiment, a guide plate 72 is disposed between the upper and lower screws 62 (on the front side of the slide hole 64 in a front view) (see FIG. 4).

  As shown in FIGS. 1 and 2, the moving position adjusting device 30 of the head guard 16 is covered with a cover 68 attached to the center portion 16A of the head guard 16 in the assembled state.

  Next, the operation and effect of the movement position adjusting device 30 of this embodiment will be described.

  As shown in FIG. 4 and the like, in the moving position adjusting device 30, the head guard 16 is provided so as to be movable with respect to the child riding device main body 12, and the backrest portion 12B of the child riding device main body 12 has 2 Two convex portions 32B are provided (see FIG. 5). The head guard 16 is provided with two long members 34 having a plurality of recesses 36A that respectively engage with the protrusions 32B along the moving direction of the head guard 16. Further, the movement position adjusting device 30 is provided with an operation lever 38 that is movable with respect to the head guard 16 and moves between a lock position and a lock release position.

  The operating lever 38 is moved to the lower locking position (see FIG. 4) with respect to the head guard 16 by the urging force of the spring 52. In the locked position, the plurality of protrusions 56 of the operating lever 38 come into contact with the protrusions 46 and 47 of the long member 34 to press the long member 34, so that any one of the plurality of concave portions 36A is the convex portion 32B. The long member 34 is fixed in the engaged state. The head guard 16 is fixed to the backrest portion 12B of the child resting apparatus main body 12 by engaging any one of the plurality of concave portions 36A with the convex portion 32B.

  When adjusting the position (height) of the head guard 16 with respect to the backrest 12B of the child resting apparatus main body 12, as shown in FIG. 8, the operation lever exposed at the opening 58 in the back part of the head guard 16 is used. A finger is placed on the handle 38D of the 38 gripping portions 38A, and the gripping portion 38A is pulled upward (in the direction of arrow A). As a result, as shown in FIG. 9, the operation lever 38 moves to the upper unlocking position with respect to the head guard 16 against the urging force of the spring 52. In the unlocked position, gaps are formed between the plurality of projections 56 of the operation lever 38 and the protrusions 46 and 47 of the long member 34, and the pressing of the long member 34 by the operation lever 38 is released. . As a result, the plurality of concave portions 36A of the long member 34 can move in a direction in which they are separated from the convex portions 32B. In the present embodiment, the elastic body 44 is provided on the back wall 34A of the plurality of recesses 36A in the long member 34, and the tip of the elastic body 44 contacts the wall 38C of the extending portion 38B of the operation lever 38. doing. For this reason, in the unlocking position, one of the plurality of recesses 36A of the long member 34 is in contact with the protrusion 32B.

  In the moving position adjusting device 30, the head guard 16 is lifted up with respect to the backrest portion 12 </ b> B of the child resting device main body 12 while the gripping portion 38 </ b> A of the operation lever 38 is pulled upward (in the direction of arrow A). By pushing down, the position (height) of the head guard 16 with respect to the backrest 12B of the child resting apparatus main body 12 is adjusted to a desired position. For example, as shown in FIGS. 10 and 11, when the head guard 16 is moved upward as indicated by the arrow B with respect to the backrest 12B of the child resting apparatus body 12, the convex portion 32B of the backrest 12B When pressed, the elastic member 44 of the long member 34 is bent and deformed in the direction in which the long member 34 moves toward the extending portion 38B of the operation lever 38, and the concave portion 36A of the long member 34 is detached from the convex portion 32B. The As shown in FIG. 12, when the head guard 16 is further moved upward as indicated by the arrow B with respect to the backrest portion 12 </ b> B of the child resting apparatus main body 12, the elastic restoring force of the elastic body 44 of the long member 34 is used. The long member 34 moves to the convex portion 32B side so that the concave portion 36A below the concave portion 36A from which the long member 34 is detached comes into contact with the convex portion 32B. Furthermore, as shown in FIG. 13, the head guard 16 moves to a position where the concave portion 36 </ b> A of the long member 34 contacts the convex portion 32 </ b> B with respect to the backrest portion 12 </ b> B of the child resting apparatus main body 12.

  In the state where the head guard 16 is moved to a desired position with respect to the backrest portion 12B of the child resting apparatus main body 12, the hand is released from the grip portion 38A of the operation lever 38. As a result, as shown in FIG. 14, the operation lever 38 is moved to the lower (arrow C direction) lock position with respect to the head guard 16 by the biasing force of the spring 52. At that time, the plurality of protrusions 56 of the operation lever 38 come into contact with the protrusions 46 and 47 of the long member 34 to press the long member 34, so that any one of the plurality of recesses 36 </ b> A is formed with the protrusion 32 </ b> B. The long member 34 is fixed in the engaged state.

  In the present embodiment, any one of the plurality of concave portions 36A of the long member 34 on both the left and right sides is engaged with the convex portions 32B on the left and right sides of the backrest portion 12B, respectively, and the attachment portion 60 of the backrest portion 12B. Both side edges of the slide hole 64 of the head guard 16 are pressed by screws 62 fastened and fixed to (see FIG. 5). At this time, the two engagement positions of the concave portion 36A and the convex portion 32B of the long member 34 on both the left and right sides and the position of the screw 62 are substantially inverted triangular, and the head guard 16 is moved relative to the backrest portion 12B. However, the position of these substantially inverted triangular shapes does not change. For this reason, the rattling of the head guard 16 with respect to the backrest part 12B of the child riding apparatus main body 12 can be suppressed more reliably.

  In FIG. 13, the entire concave portion 36A of the long member 34 is in contact with the entire convex portion 32B, but a part of the concave portion 36A of the long member 34 is in contact with a portion of the convex portion 32B. In this state, the hand may be released from the grip portion 38A of the operation lever 38. At this time, the plurality of protrusions 56 of the operation lever 38 press the protrusions 46 and 47 of the long member 34, respectively, so that the concave portion 36A of the long member 34 moves to a position where it engages with the convex portion 32B.

  Further, since the elongate member 34 is provided with a plurality of concave portions 36A along substantially the vertical direction, when the head guard 16 is moved relative to the backrest portion 12B of the child resting apparatus main body 12, the elastic body 44 is provided. As a result of the bending deformation, it is repeated that one of the plurality of concave portions 36A sequentially contacts the convex portion 32B. In the present embodiment, the plurality of recesses 36A have a shape in which the upper inclined portions 36C and the lower inclined portions 36D are alternately continued in the substantially vertical direction, and the convex portions 32B are formed by the upper inclined portions 36C and the lower inclined portions of the concave portions 36A. An upper inclined portion 32C and a lower inclined portion 32D corresponding to the portion 36D are provided. For this reason, the plurality of concave portions 36A of the long member 34 can be smoothly slid relative to the convex portions 32B of the backrest portion 12B.

  In the child carrying device 10 provided with such a movement position adjusting device 30, the long member 34 having a plurality of recesses 36 </ b> A is provided along the moving direction of the head guard 16. The moving distance (stroke) of the head guard 16 relative to the backrest portion 12B can be increased. Further, when the head guard 16 is moved with respect to the backrest 12B of the child resting apparatus main body 12, any one of the plurality of concave portions 36A of the long member 34 is engaged with the convex portion 32B of the backrest 12B. Therefore, the head guard 16 can be stably fixed to the backrest portion 12B without rattling.

  Further, in the movement position adjusting device 30, the elastic member 44 is provided on the long member 34, and the distal end portion of the elastic member 44 is in contact with the wall 38 </ b> C of the extending portion 38 </ b> B of the operation lever 38. The elastic body 44 allows the plurality of recesses 36A to move in a direction of separating from the protrusions 32B of the backrest 12B when the operation lever 38 is moved to the unlock position. That is, since the plurality of recesses 36A move in a direction away from the projections 32B of the backrest 12B due to the bending deformation of the elastic body 44, the engagement between the recesses 36A and the projections 32B is released, so that the head The guard 16 can be moved with respect to the backrest portion 12B of the child carrying device body 12. Further, since the distal end portion of the elastic body 44 contacts the wall 38C of the extending portion 38B of the operation lever 38, the long member 34 and the extending portion 38B of the operating lever 38 in the longitudinal direction of the long member 34 are relative to each other. Can maintain a stable positional relationship.

  In the moving position adjusting device 30, the head guard 16 is provided with a spring 52, and the operation lever 38 is pressed toward the lock position by the urging force of the spring 52. In this state, the operating lever 38 presses the elongate member 34 and engages any one of the plurality of concave portions 36A with the convex portion 32B of the backrest portion 12B, so that the concave portion 36A and the convex portion 32B are engaged. Stabilize.

  Further, in the movement position adjusting device 30, the operation lever 38 includes an extending portion 38B extending to the back side of the plurality of recessed portions 36A in the long member 34, and the protruding portion 56 provided on the extending portion 38B is provided. In the locked position, the long members 34 come into contact with the protrusions 46 and 47 on the back side of the plurality of recesses 36A. Thereby, the elongate member 34 is pressed by the projection part 56, and any one of several recessed part 36A can be firmly engaged with the convex part 32B of the backrest part 12B.

  In the moving position adjusting device 30, the head guard 16 is provided with a guide hole 42 disposed along the moving direction of the head guard 16, and the convex portion 32 </ b> B of the backrest portion 12 </ b> B penetrates the guide hole 42. In this state, the head guard 16 moves relative to the backrest portion 12B of the child riding device main body 12. Thereby, the head guard 16 can be smoothly moved with respect to the backrest part 12B of the child resting apparatus main body 12 in the state where the guide hole 42 is guided by the convex part 32B of the backrest part 12B.

  In the present embodiment, the elongated member 34 is provided with a plurality of recesses 36A, and the backrest 12B of the child resting apparatus main body 12 is provided with a protrusion 32B that engages any one of the plurality of recesses 36A. However, the present invention is not limited to this. For example, the long member 34 may be provided with a plurality of convex portions, and the backrest portion 12B of the child resting apparatus main body 12 may be provided with a concave portion in which any one of the plurality of convex portions is engaged. Further, the shape and the number of the concave portions and the convex portions are not limited to the present embodiment, and can be changed.

  In the present embodiment, the head guard 16 is provided with a pair of left and right elongated members 34 having a plurality of recesses 36A along the moving direction. However, the present invention is not limited to this. Absent. For example, the head guard 16 may be configured to include one elongate member including a plurality of engaging portions along the moving direction.

  In the present embodiment, the elastic body 44 is provided on the wall 34A on the back side of the plurality of recesses 36A of the long member 34, and the distal end portion of the elastic body 44 is in contact with the extending portion 38B of the operation lever 38. However, the present invention is not limited to this. For example, the operation lever may be provided with an elastic body, and the tip of the elastic body may be in contact with the back wall of the plurality of engaging portions of the long member.

  Further, in the present embodiment, the plurality of protrusions 56 provided on the extending portion 38 </ b> B are in contact with the protruding portions 46 and 47 as the contact portions of the long member 34 at the locked position of the operation lever 38. However, the present invention is not limited to this configuration. For example, the shape and number of the protrusions 56 or the protrusions 46 and 47 can be changed.

  In the present embodiment, the moving position adjusting mechanism is applied to the head guard 16 that can move substantially vertically with respect to the child riding device main body 12. However, the present invention is not limited to the head guard 16. Absent. For example, the present invention may be adopted in a moving position adjustment mechanism for other movable members such as a foot guard that can move with respect to the base portion 20 of the child riding device body 12.

2 Motorcycle (Motorcycle body)
10 Child carrying device 12 Child carrying device body 16 Head guard (movable member)
16A Center part 16B Wing part 18 Foot guard 30 Moving position adjusting device 31 Inner side surface 32B Convex part (engaged part)
34 Long member 34A Wall 36A Concave portion (engagement portion)
38 Control lever (control unit)
38B Extension part 42 Guide hole 44 Elastic body 46 Protrusion part (contact part)
47 Protruding part (contact part)
52 Spring (Biasing member)
56 Protrusion

Claims (8)

A movable member provided to be movable with respect to the child carrying device body;
An engaged portion provided in the child riding device body;
A long member provided on the movable member along a moving direction of the movable member, and provided with a plurality of engaging portions engaged with the engaged portion;
A locking position that is movably provided on the movable member, and that fixes the long member while pressing any one of the plurality of engaging portions with the engaged portion; An operation part that moves to a lock release position that releases the pressing of the member and allows the plurality of engaging parts to be moved in a direction to release from the engaged parts;
A moving position adjusting mechanism.   Either one of the long member and the operation portion is in contact with the other of the long member and the operation portion, and when the operation portion moves to the unlock position, the plurality of engagement portions The moving position adjusting mechanism according to claim 1, wherein an elastic body is provided that allows movement in a direction away from the engaged portion.   The moving position adjusting mechanism according to claim 1, wherein the movable member is provided with a biasing member that biases the operation unit toward the lock position. The operation unit is
An extending portion extending to the back side of the plurality of engaging portions in the long member;
Protrusions provided on the extension portion, which are in contact with the contact portions on the back side of the plurality of engagement portions at the lock position, and engage any one of the plurality of engagement portions with the engaged portion. And
The movement position adjustment mechanism according to any one of claims 1 to 3, further comprising:   The moving position adjusting mechanism according to claim 2, wherein the elastic body is provided on a wall on a back side of the plurality of engaging portions in the long member, and a distal end portion is in contact with the operation portion. .   The said movable member is provided with the guide hole which the said to-be-engaged part penetrates and is arrange | positioned along the moving direction of the said movable member. Moving position adjustment mechanism.   A child carrying device comprising the moving position adjusting mechanism according to any one of claims 1 to 6.   A two-wheeled vehicle having the child riding device according to claim 7 attached to the two-wheeled vehicle main body.