JP3376117B2 - Stroller trunk guard coupling mechanism - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stroller body guard coupling mechanism for detachably coupling a stroller guard of a baby carriage to left and right handrails.

[0002]

2. Description of the Related Art A baby carriage provided with a torso guard for guarding an infant's torso has been proposed. The trunk guard is arranged in front of the seat and is attached so as to connect the front ends of a pair of handrails located on the left and right of the seat.

On the other hand, the torso guard may be a hindrance when loading and unloading an infant on the seat.
A body guard that is detachably connected to a handrail has also been proposed (see Japanese Patent Publication No. 58-32068). That is, in this case, the torso guard is attached and detached by inserting and removing the pins that insert the front end portions of the handrails.

[0004]

In the above conventional structure,
When attaching and detaching the torso guard, it is necessary to insert the pin into the pin hole and pull out from the pin hole, which makes the attaching and detaching of the torso guard troublesome. There is also a risk of losing the pin.

The present invention has been made in view of the above conventional circumstances, and an object of the present invention is to provide a trunk guard connecting mechanism for a baby carriage in which the trunk guard can be easily attached and detached.

[0006]

According to the present invention, there is provided a stroller guard connecting mechanism for a stroller for detachably connecting a trunk guard arranged in front of a seat of a stroller to left and right handrails of the stroller. A connecting portion main body having an engaging concave portion at one end for engaging a pin attached to each front end portion of the handrail, and a connecting portion provided inside the connecting portion main body. , the engaging recess engaging position and locking the pin in the engaging recess projects into, and is composed of an engaging member which may take the the retracted position retracted from the engagement recess, whereas The locking member at the connecting portion of
The locking portion at the locking position and the other coupling portion
By placing the material in the retracted position, the trunk guard
Around the pin on the side of one connecting portion, the other connecting portion
It is characterized by being able to rotate together with it.

According to a second aspect of the present invention, the connecting portion main body is provided with a biasing member for biasing the locking member to the locking position,
The locking member is provided with a button for moving the locking member to the retracted position.

According to a third aspect of the present invention, the locking member is movably provided between a locking position and a retracted position, and
It is characterized in that it has an inclined surface at the tip with which the pin abuts when the connecting portion is attached to the front end portion of the handrail.

[0009]

In the stroller guard connecting mechanism for the baby carriage according to the present invention,
When mounting the torso guard on the handrail, place the locking member in the retracted position, engage the engagement recess of the connecting part body with the pin at the front end of the handrail, and lock the locking member after pin engagement. Put in position. As a result, the body guard is attached to the handrail. Further, when removing the trunk guard from the handrail, the locking member may be placed in the retracted position and the engaging recess of the connecting portion main body may be disengaged from the pin at the front end of the handrail.

As described above, the trunk guard can be easily attached and detached only by moving the locking member between the locking position and the retracted position. Further, since it is not necessary to pull out a small component such as a pin, there is no possibility that the component will be lost during attachment / detachment.

Moreover, according to the present invention, the trunk guard is
Rotate around the pin on the side of one connecting part together with the other connecting part.
Since it is movable, you can load and drop infants
It will be easy to do.

According to the second aspect of the present invention, when the body guard is mounted on the handrail, the button is operated to move the locking member to the retracted position, and the engagement recess of the connecting portion body is pinned at the front end of the handrail. After engaging the pin and releasing the finger from the button.
Then, the locking member is automatically placed in the locking position by the urging force of the urging member, whereby the trunk guard is attached to the handrail. Further, when removing the trunk guard from the handrail, it is sufficient to operate the button to place the locking member in the retracted position and disengage the engaging recess of the connecting portion main body from the pin at the front end of the handrail.

In this case, the locking member can be moved to the retracted position by operating the button, and the locking member is automatically moved to the locking position by the urging force of the urging member. The attachment and detachment work can be done more easily.

Further, according to the third aspect of the invention, when the body guard is attached to the handrail, the inclined surface of the tip of the locking member is brought into contact with the pin at the front end of the handrail. Then, the locking member moves to the retracted position by the component force of the pin pressing force, and the pin engages with the engaging recess of the connecting portion main body. After the pin is engaged, the locking member is automatically placed in the locking position by the urging force of the urging member, whereby the trunk guard is mounted on the handrail. Further, when removing the trunk guard from the handrail, it is sufficient to operate the button to place the locking member in the retracted position and disengage the engaging recess of the connecting portion main body from the pin at the front end of the handrail.

In this case, since the trunk guard is mounted on the handrail only by bringing the inclined surface at the tip of the locking member into contact with the pin, the trunk guard can be mounted more easily.

[0016]

Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 6 are views for explaining a trunk guard connecting mechanism of a baby carriage according to an embodiment of the present invention, and FIG. 1 is an overall perspective view of a baby carriage using the connecting mechanism, FIG.
Is a plan view of the handrail guard, FIG. 3 is a view for explaining a connection state of the connection unit and the handrail, FIG. 4 is a partial cross-sectional plan view of the connection unit, FIG. 5 is a front view thereof, and FIG. It is a figure which shows opening / closing operation.

As shown in FIG. 1, the baby carriage 1 has a pair of left and right front leg frames 2 and rear leg frames 3 each having wheels attached to the lower ends thereof.
3 is configured to be foldable in the front-back direction. The rear leg frame 3 is provided with an operating rod 4 for a babysitter to hold. Sunshade 6 above the back of seat 5
However, a shopping bag 7 is attached below.

A handrail guard 10 is provided on top of each leg frame 2, 3. As shown in FIG. 2, the handrail guard 10 is formed in a substantially U shape in a plan view, and has a pair of left and right handrails 11 arranged on both sides of the seat 5 and a gentle arc shape arranged in front of the handrail 11. And a connecting unit 13 that is attached to both ends of the body guard 12 and is connected to each front end portion of the handrail 11.

As shown in FIG. 3, a hole 20 into which the flange portion 15a of the flanged pin 15 can be tightly fitted from above is formed in the upper part of the front end of the handrail 11, and the lower part of the front end of the handrail 11 is formed. A locking hole 21 for locking the shaft portion 15b of the flanged pin 15 is formed. A rectangular long hole 22 is formed on the front end side of the handrail 11. Handrail 11
An opening 23 that is closed by the connecting unit 13 is formed at the front end of the.

As shown in FIGS. 3 to 5, the connecting unit 13 is a unit main body 3 formed in a generally arcuate shape in a plan view.
Has 0. At one end of the unit body 30, the handrail 1
An engaging portion 31 that engages with the elongated hole 22 of the first side is formed, and the engaging portion 31 is formed with an engaging recess 31a with which the shaft portion 15b of the flanged pin 15 can engage. ing.

In the unit body 30, a locking member 40 for locking the flanged pin 15 in the engaging recess 31a.
Is provided. The locking member 40 is the unit body 30.
Inside, it is slidably supported by side wall portions 32 formed on both sides of the locking member 40, and projects into the engaging recess 31a so that the shaft portion 15b of the flanged pin 15 is held in the engaging recess 31a. A locking position for locking (solid line position in FIG. 4) and a retracted position retracted from the inside of the engagement recess 31a (dashed line position in FIG. 4) can be taken.

The engaging member 40 has a groove portion 4 extending in the longitudinal direction.
0a is formed, and the compression spring 33 is mounted in the groove 40a. In addition, a standing wall portion 35 is formed in the unit body 30 so that the other end of the compression spring 33 is in pressure contact therewith. The locking member 40 is constantly urged toward the locking position by the spring force of the compression spring 33.

An engaging recess 31 is formed at the tip of the locking member 40.
An inclined surface 40b is formed on the opening side of a. A knob 41 is formed on the rear end side of the locking member 40. On the other hand, a recess 37 is formed in the unit body 30,
A long hole 38 is formed in the recess 37. The knob 41 of the locking member 40 is inserted into the long hole 38 and exposed in the recess 37. By arranging the knob 41 in the recess 37 in this manner, the risk of an infant operating the knob 41 by mistake is avoided. At the other end of the unit body 30, a mounting hole 39 for mounting the trunk guard 12 is formed.

Next, the function and effect of this embodiment will be described. When the body guard 12 is attached to the handrail 11, first, the flanged pin 15 is attached and fixed to the front end portion of the handrail 11. Next, connect each connecting unit 1 to both ends of the trunk guard 12.
3 is attached, the engaging portion 3 of each unit body 30
1 is laterally engaged with the long hole 22 at the front end of the handrail, and the inclined surface 40b at the tip of each locking member 40 is brought into contact with the shaft portion 15b of the flanged pin 15.

Then, the pressing force of the shaft portion 15b causes the inclined surface 4
0b, and by the action of the component force thereof, the locking member 40 moves to the retracted position (the one-dot chain line position in FIG. 4) against the spring force of the compression spring 35, and the shaft portion 15b of the flanged pin 15 is moved. It engages with the engaging recess 31a of the unit body 30. After the pin engagement, the locking member 40 is automatically placed in the locking position (the position indicated by the solid line in FIG. 4) by the spring force of the compression spring 35, and thus the body guard 12 is mounted on the handrail 11. .

In this case, the trunk guard 12 is mounted on the handrail 11 only by bringing the inclined surface 40b at the tip of the locking member 40 into contact with the shaft portion 15b of the flanged pin 15, so that the trunk guard 12 is mounted. Can be done easily.

When removing the body guard 12 from the handrail 11, the knob 41 of each connecting unit 13 is pushed with a finger to move the locking member 40 to the retracted position (the position indicated by the alternate long and short dash line in FIG. 4), and the flanged pin 15 is removed. The shaft portion 15b is attached to the unit body 3
By disengaging it from the engagement recess 31a of 0, the connected state of each connecting unit 13 is released, and the trunk guard 12 can be removed together with each connecting unit 13.

In this case, since the trunk guard 12 can be removed from the handrail 11 only by operating the knob 41, the trunk guard 12 can be easily removed.

In this case, one of the connecting units 1
When the connection state of only 3 is released, as shown in FIG. 6, the trunk guard 12 is rotated around the shaft portion 15b of the flanged pin 15 locked in the engagement recess 31a of the other connection unit 13. With the opening / closing function of the torso guard 12 as described above, an infant can be easily placed on and off.

As described above, according to this embodiment, the body guard 1
2 can be easily attached and detached. Further, since it is not necessary to pull out a small component such as a pin, there is no possibility that the component will be lost during attachment / detachment.

The connecting unit is not limited to the one shown in the above embodiment, but may be the one shown in FIG. FIG. 7 is a plan view of this connecting unit. In FIG. 7, the tip of the connecting unit 50 formed in a generally arcuate shape in plan view has an engaging portion that engages with the long hole 22 of the handrail 11 (FIG. 3). 51 is formed, and the engaging portion 51 is provided with an engaging recess 51a with which the shaft portion 15b of the flanged pin 15 can be engaged.

In the connecting unit 50, a locking member 52 for locking the flanged pin 15 in the engaging recess 51a.
Is provided. The locking member 52 is rotatable around a pin 53 that is inserted through the locking member 52, and a notch 52a formed at the tip of the locking member 52 projects into the engaging recess 51a and the engaging recess 51a. A locking position (solid line, broken line position in FIG. 7) for locking the shaft portion 15b of the flanged pin 15 inside,
The retracted position (the position indicated by the alternate long and short dash line in the figure) retracted from the inside of the engaging recess 51a can be taken.

A locking member 52 in the connecting unit 50
A compression spring 54 for constantly urging the locking member 52 toward the locking position is provided on the rear end side. A button 55 is provided on the locking member 52. Button 55
Are exposed in the long holes 56 formed in the connection unit 50.

When the trunk guard 12 to which the connecting unit 50 is attached is attached to the handrail 11, the connecting unit 5 is attached to the flanged pin 15 attached to the front end of the handrail.
7, the shaft portion 15b of the flanged pin 15 is brought into contact with the inclined surface 52b at the tip of the locking member 52. Then, the locking member 52 rotates around the pin 53 and is placed in the retracted position, and the shaft portion 15b of the flanged pin 15 engages with the engaging recess 51a at the tip of the coupling unit. After the pin is engaged, the spring force of the compression spring 54
The locking member 52 is automatically placed in the locking position, and the notch 52a at the tip locks the shaft portion 15b of the flanged pin 15. In this way, the connection unit 50 is connected to the handrail 11.

When the connecting unit 50 is removed from the handrail 11, the button 55 of the connecting unit 50 is pushed with a finger to move the locking member 52 to the retracted position, and the shaft portion 15b of the flanged pin 15 is moved to the connecting unit 50. It may be disengaged from the engaging recess.

Also in this case, the trunk guard 12 can be easily attached to and detached from the handrail 11 as in the above embodiment.

In each of the above-described embodiments, the inclined surface is formed at the tip of the locking member, but this inclined surface may be omitted. In this case, when wearing the torso guard,
The knob 41 or the button 55 may be operated in advance to set the locking members 40 and 52 at the retracted position, and after the pin is engaged, the finger may be released from the knob 41 or the button 55.

[0038]

As described above, according to the torso guard connecting mechanism for a baby carriage according to the present invention, when the torso guard is attached and detached, it is only necessary to move the locking member between the locking position and the retracted position. The effect is that the trunk guard can be easily attached and detached.

According to the invention of claim 2, the locking member can be moved to the retracted position by operating the button, and the locking member is automatically moved to the locking position by the urging force of the urging member. Therefore, there is an effect that the work of attaching and detaching the trunk guard can be performed more easily.

Further, according to the third aspect of the present invention, since the trunk guard is mounted on the handrail only by bringing the inclined surface of the tip of the locking member into contact with the pin, the trunk guard can be mounted more easily. There is an effect that can be done.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a baby carriage having a trunk guard connecting mechanism according to an embodiment of the present invention.

FIG. 2 is a plan view of a handrail guard of the baby carriage.

FIG. 3 is a view for explaining a connection state of a handrail and a connection unit in the handrail guard.

FIG. 4 is a partial cross-sectional plan view of the connection unit.

FIG. 5 is a front view of the connection unit.

FIG. 6 is a diagram showing an opening / closing operation of a body guard in the handrail guard.

FIG. 7 is a view corresponding to FIG. 4 showing a modified example of the connection unit.

[Explanation of symbols]

1 baby carriage 5 seats 11 handrails 12 torso guard 13,50 Connection unit (connection part) 15 Pin with flange (pin) 30 unit body (connecting part body) 31a, 51a Engagement recess 33, 54 Compression spring (biasing member) 40, 52 Locking member 40b, 52b inclined surface 41,55 knobs (buttons)

Claims (3)

(57) [Claims] 1. A stroller guard connecting mechanism for a stroller for detachably connecting a torso guard arranged in front of a seat of a stroller to left and right handrails of the seat, wherein connecting portions are provided at both ends of the stroller guard, respectively. provided, wherein each of the connecting portions, and the connecting portion body having an engaging recess in one end which engages a pin attached to the front end of the handrail, provided in the connecting portion in the main body, said engagement a locking position for locking said pin in engagement recess projects into the recess, and a locking member capable of taking a retracted position retracted from the engagement recess, which is composed of, one of the Set the locking member at the connecting portion to the locking position.
The locking member at the other connecting portion to the retracted position.
By placing the body guard on the one side of the connecting portion.
Rotate around the pin on the side with the other connecting part
A stroller guard connection mechanism for baby carriages, which is characterized by being capable of 2. The connecting portion main body is provided with a biasing member for biasing the locking member to the locking position, and the locking member is for moving the locking member to the retracted position. The torso guard connection mechanism for the baby carriage according to claim 1, wherein a button is provided. 3. The locking member is movably provided between a locking position and a retracted position, and has an inclined surface at the tip with which the pin abuts when the connecting portion is mounted on the handrail front end portion. The trunk guard connecting mechanism for the baby carriage according to claim 2, wherein