JP6850964B2 - Passenger chairs and bicycles - Google Patents

Description

The present invention relates to a passenger chair and a bicycle attached to a bicycle.

Conventionally, as a passenger chair of this type, for example, as shown in FIG. 12, there is a child seat 101 provided at the rear of the bicycle. The child seat 101 has a chair body 102 and a three-point safety belt 103 that restrains the body of the seated infant to the chair body 102.

The chair body 102 has a seating portion 104, a backrest portion 105, and a footrest portion 106. Further, the safety belt 103 includes a belt 107 attached to both left and right ends of the upper part of the backrest portion 105, a stop belt 108 provided at the front end of the seating portion 104, and a male buckle 109 provided on the belt 107. It has a female buckle 110 provided on the stop belt 108 and a stop buckle 111 for adjusting the length of the belt 107. The male buckle 109 can be detached from the female buckle 110.

According to this, when the infant is placed on the child seat 101, the belt 107 is retracted to the rear of the backrest 105 with the male buckle 109 separated from the female buckle 110, and then the infant is seated on the seat 104. Let the back lean against the backrest 105.

Next, the retracted belt 107 is returned to the front of the backrest portion 105, and the male buckle 109 is engaged with the female buckle 110. As a result, the infant's body is restrained by the chair body 102 by the safety belt 103, and even if the infant's body is suddenly activated while the bicycle is running, the infant's body can be prevented from falling forward, and the infant's safety can be prevented. Is secured.

The child seat for a bicycle as described above is described in, for example, Patent Document 1 below.

JP 2002-59879

However, in the above-mentioned conventional form, when an infant having a different physique is placed on a child seat 101 and restrained by a safety belt 103, for example, the safety belt 103 is loosened for a small infant, or the safety belt 103 is tight for a large infant. In order to fit the safety belt 103 properly to the infant's body, it is necessary to frequently adjust the length of the belt 107 with the stop buckle 111 according to the infant's physique. There is a problem that it takes time and effort to properly restrain the infant.

An object of the present invention is to provide a passenger chair and a bicycle capable of restraining an infant to a chair body with a safety belt quickly and appropriately with a simple operation.

In order to achieve the above object, the first invention is a passenger chair that can be attached to a bicycle.
It has a chair body and a safety belt that restrains the seated passenger's body to the chair body.
The chair body has a backrest, a seat, and a first engaging member.
The safety belt is provided with a second engaging member that can be engaged and disengaged from the first engaging member.
A take-up and delivery device that winds up and sends out the safety belt is installed in the chair body.
The take-up / delivery device has a locking means for locking the safety belt in the take-up and delivery directions, an operating member for switching the lock / unlock of the safety belt, and a positive direction for winding the safety belt and sending out the safety belt. It has a winding member that can rotate in the reverse direction, a first urging means that urges the winding member in the winding direction, and a second urging means that urges the operating member from the unlocked position to the locked position. And
When the operating member is switched to the lock position, the locking means locks the rotation of the take-up member and
When the operating member is switched to the unlocked position against the urging force of the second urging means, the winding member is unlocked by the locking means.
The take-up and delivery device is provided on the back side of the backrest, and is provided.
The operating member is switched to the unlocked position by being operated diagonally downward from the locked position .

According to this, when the driver puts the infant on the chair for the passenger, the driver first disengages the second engaging member of the safety belt from the first engaging member, and causes the infant to sit on the seating portion of the chair body. The second engaging member of the safety belt is engaged with the first engaging member by leaning against the backrest portion. At this time, when the driver switches the operating member to the unlocked position against the urging force of the second urging means, the winding member is unlocked by the locking means, and the winding member becomes rotatable. As a result, the driver can adjust the length of the safety belt according to the physique of the infant by pulling out the safety belt from the winding and sending device or winding the safety belt by the winding and sending device.

After that, when the driver releases his hand from the operating member, the operating member is switched to the lock position by the urging force of the second urging means, so that the locking means locks the rotation of the winding member and the safety belt winds up. And locked in the sending direction. As a result, the safety belt can be easily fitted to the infant's body properly, and the infant can be quickly and properly restrained by the safety belt.

In this way, after the driver switches the operating member to the unlocked position and adjusts the length of the safety belt, the driver releases the operating member from the operating member, so that the operating member is driven by the urging force of the second urging means. Since the position is automatically switched to the lock position, even if the driver forgets to switch the operating member to the lock position, the safety belt is surely locked in the winding and sending directions, so that safety is improved.
Even if the brake is suddenly applied while the bicycle is running, the safety belt is locked in the winding and sending directions, so the safety belt is not sent out from the winding and sending device, and the infant's body is in the chair. It is possible to surely prevent the child from falling to the front of the main body, and the safety of the infant is ensured.

In addition, the driver unlocks the operating member against the urging force of the second urging means while the bicycle having the two-legged stand is parked at the rear of the vehicle body and the stand is rotated to the upright position. When switching to the position, the operating member is operated diagonally downward from the locked position, so that a force is applied diagonally downward to the rear of the vehicle body.

Since this rearward diagonally downward force has a rearward force component and a downward force component, the rear part of the bicycle body is not pushed forward during the switching operation to the unlocked position, and the stand is carelessly placed. It is possible to prevent problems such as the bicycle turning from the upright position to the flip-up position and the bicycle falling over. Further, since the operating member can be operated diagonally downward from the locked position by using the weight of the driver (operator), the operating member can be easily switched to the unlocked position.

The second invention is a passenger chair that can be attached to a bicycle.
It has a chair body and a safety belt that restrains the seated passenger's body to the chair body.
The chair body has a backrest, a seat, and a first engaging member.
The safety belt is provided with a second engaging member that can be engaged and disengaged from the first engaging member.
A take-up and delivery device that winds up and sends out the safety belt is installed in the chair body.
The take-up / delivery device has a locking means for locking the safety belt in the take-up and delivery directions, an operating member for switching the lock / unlock of the safety belt, and a positive direction for winding the safety belt and sending out the safety belt. A winding member that can rotate in the reverse direction, a first urging means that urges the winding member in the winding direction, a second urging means that urges the operating member from the unlocked position to the locked position, and winding. It has a housing that incorporates a taking member and first and second urging means, and has a housing.
When the operating member is switched to the lock position, the locking means locks the rotation of the take-up member and
When the operating member is switched to the unlocked position against the urging force of the second urging means, the winding member is unlocked by the locking means.
A holding case is provided on the back side of the backrest,
The take-up and unwinding device is housed in a holding case together with the housing.

The passenger chair according to the third aspect of the present invention has drain holes formed in the lower part of the housing and the lower part of the holding case for draining the water that has entered the housing to the outside.

According to this, even if water such as rainwater enters the housing through a gap such as a mounting portion of an operating member of the take-up and delivery device, it is discharged to the outside through the drain hole, so that water is discharged into the housing. It can be prevented from accumulating.

The fourth invention is a bicycle characterized in that the passenger chair according to any one of the first to third inventions is attached.

In the bicycle according to the fifth invention, the passenger chair is attached to the rear part of the vehicle body.
A two-legged stand is provided at the rear of the car body,
The stand is rotatable between an upright position and a flip-up position.

According to this, when the driver switches the operating member to the unlocking position against the urging force of the second urging means while the bicycle is stopped and the stand is rotated to the upright position, the operating member is locked. Since it is operated from the position to the rear, a backward force acts on the rear part of the vehicle body. This prevents the rear part of the bicycle body from being pushed forward when switching to the unlocked position, and prevents the stand from inadvertently rotating from the upright position to the flip-up position and causing the bicycle to fall over. Can be done.

As described above, according to the present invention, when the driver switches the operating member to the unlocked position, the safety belt is unlocked, and the driver winds up the safety belt and pulls it out from the delivery device or pulls out the safety belt. By winding up with the take-up and delivery device, the length of the safety belt can be adjusted according to the physique of the infant.

The safety belt is then locked in the take-up and delivery directions by the driver switching the operating member to the lock position. As a result, the safety belt can be easily fitted to the infant's body properly, so that the infant can be quickly and appropriately restrained to the chair body by the safety belt with a simple operation.

It is a side view of the bicycle provided with the child seat in embodiment of this invention. The same is a perspective view of the front side of the child seat. The same is a front view of the child seat. The same is a plan view of the child seat. The same is a perspective view of the rear side of the child seat. The same is a rear view of the child seat. The same is a rear view of a part of the child seat notched. The same is a vertical cross-sectional view of the child seat. It is a figure which shows the internal structure of the child seat winding and feeding device, and shows the state which the operating member is switched to a lock position. FIG. 9 is a view taken along the line XX in FIG. It is a figure which shows the internal structure of the child seat take-up and delivery device, and shows the state which the operating member is switched to the unlocked position. It is a perspective view of a conventional child seat.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

As shown in FIG. 1, reference numeral 1 denotes a bicycle, and a loading platform 3 and a stand 4 and the like are attached to the rear portion of the vehicle body 2. A child seat 5 (an example of a chair) for carrying an infant 7 (an example of a passenger) is attached to the loading platform 3. The stand 4 is a two-legged type that can rotate between the upright position A and the flip-up position B, and is located below the child seat 5.

The child seat 5 has a chair body 10 and a safety belt 11 that restrains the body of the seated infant 7 to the chair body 10.

As shown in FIGS. 2 to 6, the chair body 10 projects forward from the seating portion 14, the backrest portion 15, the pair of left and right footrest portions 16, the pair of left and right side guard portions 17, and the seating portion 14. It has a fixed base portion 18, a headrest 19, a handle member 20 (handle), and a female buckle 21 (an example of a first engaging member).

The backrest portion 15 is erected at the rear of the seating portion 14, the footrest portion 16 is provided below the seating portion 14, the side guard portions 17 are provided on both left and right sides of the backrest portion 15, and the fixed base portion 18 is seated. It is provided in front of the portion 14 and projects upward.

As shown by the virtual line in FIG. 3, the headrest 19 is provided on the upper part of the backrest portion 15 so as to be vertically movable. Further, as shown in FIG. 4, the handle member 20 is provided between both side guard portions 17 and can be opened and closed by rotating around one end portion.

The fixed base portion 18 is formed between the left and right footrest portions 16, and a female buckle 21 is attached to the upper end of the attachment member 23 erected on the fixed base portion 18.

As shown in FIGS. 2 to 4 and 6 to 8, the safety belt 11 is a pair of left and right shoulder belts that are bifurcated from the belt main body 25 and the belt main body 25 to restrain the infant's shoulder. 26a, 26b, a pair of left and right waist belts 27a, 27b that restrain the infant's waist, and a pair of left and right male buckles 28a, 28b (an example of a second engaging member) that can be engaged with and detached from the female buckle 21. Have. The base end portions of the waist belts 27a and 27b are connected to the backrest portion 15.

One male buckle 28a is connected to the tip of one shoulder belt 26a and the tip of one waist belt 27a, and the other male buckle 28b is connected to the tip of the other shoulder belt 26b and the tip of the other waist belt 27b. It is connected to the. As shown by the solid line in FIG. 3, by inserting the male buckles 28a and 28b into the female buckle 21, the male buckles 28a and 28b and the female buckle 21 are engaged with each other. Further, by pressing the detachment button 30 provided on the female buckle 21, the male buckles 28a and 28b can be detached from the female buckle 21 as shown by the virtual line in FIG.

As shown in FIGS. 4 to 8, the backrest portion 15 has a backrest main body 33 and a storage box 34 provided on the back surface of the backrest main body 33. The storage box 34 has an opening 35 at the upper part, and rain gear such as raincoats, magazines, newspapers, and the like can be taken in and out of the storage box 34 through the opening 35.

As shown in FIGS. 6 to 8, a pair of left and right insertion ports 36a and 36b are formed in the backrest main body 33, and the shoulder belts 26a and 26b of the safety belt 11 are inserted from the front side of the backrest portion 15. It is led to the back side through 36b.

On the back side of the backrest portion 15, a take-up / delivery device 39 for winding and feeding out the belt main body portion 25 of the safety belt 11 is provided.

As shown in FIGS. 8 to 11, the take-up delivery device 39 includes a take-up reel 40 (an example of a take-up member), a locking means 41, an operation member 42, and a take-up spring 43 (with the first attachment). It has an example of a urging means), a compression coil spring 44 (an example of a second urging means), and a housing 45.

The take-up reel 40 can rotate in the forward and reverse directions around the support shaft 46 in the take-up direction C for taking up the belt main body 25 and the sending direction D for sending out. Further, the belt main body 25 is wound around the outer circumference of the take-up reel 40.

The take-up spring 43 is a coil-shaped splinter that urges the take-up reel 40 in the take-up direction C, its inner end is fixed to the end of the take-up reel 40, and its outer end is attached to the housing 45. It is fixed.

The locking means 41 locks the rotation of the take-up reel 40, and has a first locking member 47 and a second locking member 48. The first lock member 47 is a disk-shaped member having a plurality of first lock claws 49 on the outer circumference, and is provided at one end of the take-up reel 40 in the direction of the rotation axis, and is integrally with the take-up reel 40. It is rotatable.

Further, the second lock member 48 is a member having a plurality of second lock claws 50 at one end thereof, and has a meshing position E (see FIGS. 9 and 10) in which the second lock claw 50 meshes with the first lock claw 49. , The second lock claw 50 is movable to the detachment position F (see FIG. 11) where the second lock claw 50 separates from the first lock claw 49. The second lock member 48 is urged from the meshing position E to the disengagement position F in the direction 52 (see FIG. 11) by an urging member such as a spring 51.

The operating member 42 is slidable diagonally forward and downward (an example in the front-rear direction), and is switched between a lock position G (see FIG. 9) and an unlock position H (see FIG. 11) by an external operation. It has a flexible operating lever 55 and a pressing body 56 provided on the operating lever 55. Inclined contact surfaces 57 and 58 are formed on the other end of the second lock member 48 and the tip of the pressing body 56, respectively. Both contact surfaces 57 and 58 are in surface contact with each other so as to be slidable with each other, and the compression coil spring 44 locks the operating lever 55 in the direction 59 from the unlock position H (see FIG. 11) to the lock position G (see FIG. 9). Is urging. The urging force of the compression coil spring 44 is set to be larger than the urging force of the spring 51.

As shown in FIGS. 9 and 10, when the operation lever 55 is switched to the lock position G, the contact surface 58 of the pressing body 56 separates the contact surface 57 of the second lock member 48 from the release position F (see FIG. 11). In order to push in the direction 60 of the meshing position E, the second lock member 48 moves to the meshing position E, the second lock claw 50 meshes with the first lock claw 49, and the rotation of the take-up reel 40 is locked.

Further, as shown in FIG. 11, when the operating lever 55 is switched to the unlocking position H against the urging force of the compression coil spring 44, the contact surface 58 of the pressing body 56 comes into contact with the second lock member 48. In order to retract from the surface 57, the second lock member 48 is moved from the meshing position E (see FIG. 9) to the release position F by an urging member such as a spring 51, and the second lock claw 50 is released from the first lock claw 49. Then, the take-up reel 40 is unlocked.

The take-up reel 40, the locking means 41, the pressing body 56, the take-up spring 43, the compression coil spring 44, and the urging member such as the spring 51 are built in the housing 45, and the operating lever 55 is inside the housing 45. It protrudes upward from the outside.

As shown in FIGS. 5 to 11, the backrest portion 15 has a holding case 63 at the lower portion on the back surface side. The take-up / delivery device 39 is housed in the holding case 63 together with the housing 45. The housing 45 of the take-up / delivery device 39 is detachably fixed to the holding case 63 by a fixing member 65 such as a screw. Further, a drain hole 64 for discharging the water W that has entered the housing 45 to the outside is formed in the lower portion of the housing 45 and the lower portion of the holding case 63.

Further, as shown in FIG. 9, the lock position G of the operation lever 55 is diagonally upward forward, and as shown in FIG. 11, the unlock position H is diagonally downward rearward, and the operation lever 55 is obliquely rearward from the lock position G. By operating downward, the lock release position H is switched.

The operation in the above configuration will be described below.

As shown by the solid line in FIG. 1, the driver can put the infant 7 on the child seat 5 in a state where the bicycle 1 is parked, the stand 4 is rotated to the upright position A, and the bicycle is parked. At this time, the driver rotates and opens the handle member 20 as shown by the solid line in FIG. 4, presses the release button 30, and male buckles 28a and 28b of the safety belt 11 as shown by the virtual line in FIG. Is detached from the female buckle 21, the infant 7 is seated on the seating portion 14 of the child seat 5 and leans against the backrest portion 15, and the male buckles 28a and 28b of the safety belt 11 are engaged with the female buckle 21.

At this time, as shown in FIG. 11, the driver switches the operation lever 55 from the lock position G (see FIG. 9) to the lock release position H against the urging force of the compression coil spring 44, whereby the pressing body is pressed. Since the contact surface 58 of the 56 is retracted from the contact surface 57 of the second lock member 48, the second lock member 48 is moved from the meshing position E (see FIG. 9) to the release position F by an urging member such as a spring 51. Then, the second lock claw 50 is separated from the first lock claw 49, the lock of the take-up reel 40 is released, and the take-up reel 40 becomes rotatable.

As a result, the lock of the safety belt 11 is released, and the driver pulls out the safety belt 11 from the winding and sending device 39 or winds up the safety belt 11 by the winding and sending device 39, so that the physique of the infant 7 The length of the safety belt 11 can be easily adjusted accordingly.

After that, when the driver releases the operation lever 55, as shown in FIGS. 9 and 10, the operation lever 55 is moved from the unlock position H (see FIG. 11) to the lock position G by the urging force of the compression coil spring 44. The contact surface 58 of the pressing body 56 pushes the contact surface 57 of the second lock member 48 from the disengagement position F toward the meshing position E, and the second lock member 48 moves to the meshing position E. , The second lock claw 50 meshes with the first lock claw 49, and the rotation of the take-up reel 40 is locked.

As a result, the safety belt 11 is locked in the winding direction C and the feeding direction D, the safety belt 11 can be easily fitted to the body of the infant 7, and the infant 7 is quickly and properly restrained by the safety belt 11. can do.

As described above, after the driver switches the operation lever 55 to the unlock position H (see FIG. 11) and adjusts the length of the safety belt 11, the driver releases the operation lever 55 to operate the operation lever. Since the 55 is automatically switched to the lock position G (see FIGS. 9 and 10) by the urging force of the compression coil spring 44, even if the driver forgets to switch the operation lever 55 to the lock position G, the operation is surely performed. Since the safety belt 11 is locked in the winding direction C and the feeding direction D, the safety is improved.

Further, as described above, when the driver switches the operating lever 55 to the unlocking position H as shown in FIG. 11 against the urging force of the compression coil spring 44, the operating lever 55 is locked at the locking position G ( Since the bicycle is operated diagonally downward from the rear (see FIG. 9), a force 66 that is obliquely backward and downward acts on the rear portion of the vehicle body 2 of the bicycle 1 as shown in FIG.

Since this rearward diagonally downward force 66 has a rearward force component and a downward force component, the rear portion of the vehicle body 2 of the bicycle 1 is not pushed forward during the switching operation to the unlock position H. It is possible to prevent a problem that the stand 4 inadvertently rotates from the upright position A to the flip-up position B and the bicycle 1 falls down. Further, since the operating lever 55 can be operated diagonally downward from the lock position G by using the weight of the driver (operator), the operating lever 55 can be easily switched to the unlocking position H.

Further, since the take-up / delivery device 39 is provided on the back side of the backrest portion 15, the hand of the infant 7 sitting on the child seat 5 does not reach the operation lever 55 of the take-up / take-off device 39 behind. , It is possible to prevent the infant 7 from erroneously operating the operation lever 55.

After restraining the infant 7 to the child seat 5 with the safety belt 11 as described above, the driver rotates and closes the handle member 20 as shown by the virtual line in FIG. 4, and shows by the virtual line in FIG. As described above, the stand 4 can be rotated from the upright position A to the flip-up position B, and the bicycle 1 can be driven.

Even if the sudden braking is applied while the bicycle 1 is running, as shown in FIGS. 9 and 10, the safety belt 11 is locked in the winding direction C and the feeding direction D, so that the safety belt 11 is wound. It is not sent out from the delivery device 39, and it is possible to surely prevent the body of the infant 7 from falling forward of the child seat 5, and the safety of the infant 7 is ensured.

Further, even if water W such as rainwater enters the housing 45 through a gap such as a mounting portion of the operation lever 55, it is discharged to the outside through the drain hole 64 as shown in FIGS. 9 and 11. , It is possible to prevent water W from accumulating in the housing 45.

In the above embodiment, as shown in FIGS. 9 and 11, the operation member 42 is switched to the unlock position H by being operated diagonally downward from the lock position G, but is not diagonally downward but at the lock position. The lock release position H may be switched by operating only backward from G. Even in this case, the rear portion of the vehicle body 2 of the bicycle 1 is not pushed forward during the switching operation to the unlock position H, and the stand 4 inadvertently rotates from the upright position A to the flip-up position B. It is possible to prevent problems such as the bicycle 1 falling over.

Alternatively, the lock position G may be switched to the unlock position H by being operated only downward. Also in this case, since the operation lever 55 can be operated downward from the lock position G by using the weight of the driver, the operation lever 55 can be easily switched to the unlock position H.

Similarly, as shown in FIGS. 9 and 11, the operating member 42 is switched to the lock position G by moving diagonally upward from the unlocked position H, but not diagonally upward, but only forward from the unlocked position H. It may be switched to the lock position G by moving horizontally.

The passenger chair in the present invention is mainly provided on an electric bicycle or the like, but may be provided on a bicycle other than the electric bicycle.

1 Bicycle 2 Body 4 Stand 5 Child seat (chair)
10 Chair body 11 Safety belt 14 Seating part 15 Backrest part 21 Female buckle (first engaging member)
28a, 28b Male buckle (second engaging member)
39 Winding and sending device 40 Winding reel (winding member)
41 Locking means 42 Operating member 43 Winding spring (first urging means)
44 Compression coil spring (second urging means)
45 Housing 63 Holding case 64 Drain hole A Upright position B Flip-up position C Winding direction D Sending direction G Locking position H Unlocking position

Claims (5)

A passenger chair that can be attached to a bicycle
It has a chair body and a safety belt that restrains the seated passenger's body to the chair body.
The chair body has a backrest, a seat, and a first engaging member.
The safety belt is provided with a second engaging member that can be engaged and disengaged from the first engaging member.
A take-up and delivery device that winds up and sends out the safety belt is installed in the chair body.
The take-up / delivery device has a locking means for locking the safety belt in the take-up and delivery directions, an operating member for switching the lock / unlock of the safety belt, and a positive direction for winding the safety belt and sending out the safety belt. It has a winding member that can rotate in the reverse direction, a first urging means that urges the winding member in the winding direction, and a second urging means that urges the operating member from the unlocked position to the locked position. And
When the operating member is switched to the lock position, the locking means locks the rotation of the take-up member and
When the operating member is switched to the unlocked position against the urging force of the second urging means, the winding member is unlocked by the locking means.
The take-up and delivery device is provided on the back side of the backrest, and is provided.
A passenger chair characterized in that the operating member can be switched to the unlocked position by being operated diagonally downward from the locked position. A passenger chair that can be attached to a bicycle
It has a chair body and a safety belt that restrains the seated passenger's body to the chair body.
The chair body has a backrest, a seat, and a first engaging member.
The safety belt is provided with a second engaging member that can be engaged and disengaged from the first engaging member.
A take-up and delivery device that winds up and sends out the safety belt is installed in the chair body.
The take-up / delivery device has a locking means for locking the safety belt in the take-up and delivery directions, an operating member for switching the lock / unlock of the safety belt, and a positive direction for winding the safety belt and sending out the safety belt. A winding member that can rotate in the reverse direction, a first urging means that urges the winding member in the winding direction, a second urging means that urges the operating member from the unlocked position to the locked position, and winding. It has a housing that incorporates a taking member and first and second urging means, and has a housing.
When the operating member is switched to the lock position, the locking means locks the rotation of the take-up member and
When the operating member is switched to the unlocked position against the urging force of the second urging means, the winding member is unlocked by the locking means.
A holding case is provided on the back side of the backrest,
The take-up and unwinding device is a passenger chair that is housed in a holding case together with the housing. The passenger chair according to claim 2, wherein a drain hole for draining water that has entered the housing to the outside is formed in a lower portion of the housing and a lower portion of the holding case. A bicycle to which the passenger chair according to any one of claims 1 to 3 is attached. The passenger chair is attached to the rear of the car body and
A two-legged stand is provided at the rear of the car body,
The bicycle according to claim 4, wherein the stand is rotatable between an upright position and a flip-up position.

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