JPS60154954A - Baby car - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a foldable stroller, and includes a straddle seat that connects the upper end of a front leg rod and the upper end of a rear leg rod via a connecting rod, and detachably holds the center part of the rear leg rod. A member is fixed to the lower end of the handle rod, the armrest connects both ends of the rod across the center of the handle rod and the upper end of the rear leg rod, and both ends of the locking rod have a serrated locking edge in the center. A locking rod is connected to the central part of the front leg lever and to the lower part of the handle lever, and a locking lever is installed in parallel with the rear leg lever, and the locking lever fixes the rear leg lever by making elastic contact with the locking edge in a freely engaging and detachable manner. An L-shaped member that maintains the unlocked state of the locking rod is pivotally pivoted to the side of the locking edge so that it comes into elastic contact with the locking rod, and an operating part that engages and disengages the locking rod is attached to the lower part of the rear leg rod or the handle. It is provided on the upper part of the rod, and both ends of the L-shaped connecting rod are connected to the lower part of the handle rod and the rear leg rod located directly above the straddle member, and the locking member and the locking edge are secured to each other. When the locking member and the locking lever are released by pressing the pedal or hand and pulling up the handlebar, the front wheel will be folded compactly until it reaches above the rear wheel. Even if the locking member and the locking edge 4 are disengaged, if the locking position does not exceed the dead point, the locking member automatically returns to its original position and maintains the relative position of each frame of the stroller when in use. At the same time, the purpose is to maintain the locking member and the locking edge together by the load, and to prevent the locking member from becoming loose inadvertently, thereby ensuring safety.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
Short and small connecting rods (6) (5) extend between the upper end and the upper end of the rear leg rod (4), which consists of a portal-shaped square pipe on which the rear wheel (3) is mounted.
A handle consisting of a square groove (6) recessed in the lower surface to hold the center part of the rear leg rod (4) from the upper surface, and a gate-shaped round pipe on the upper side. The lower end of the rod (7) is pivoted, and the auxiliary rod (8) consists of a square pipe in the center of the upper part.
The lower end is fixed and the handle rod (1) is erected almost parallel to the center of the handle rod (1), and the backrest rod (9) made of a round pipe is pivoted to the upper end so that it can be tilted and fixed at a desired position. A straddle member (10) is formed. An armrest made of a round pipe extends between the upper end of the auxiliary rod (8) and the upper end of the rear leg rod (4), connects both ends of the rod (11), and has a serrated locking edge (+2)' in the center. Both ends of a locking link (12) integrally formed with the front leg rod (2) and the central lower part of the auxiliary rod (8) are connected to the locking edge (121') so that the locking lever (12) can be freely engaged with and detached from the locking edge (121'). The locking rod a→ which is fixed across the upper ends of the elastically contacting horizontal rod θ3) is attached to the lower surface side of the rear leg rod (4), and its upper end is connected to the rear leg rod (4) with a connecting rod (14r). The open leg side of the gate-shaped foot lever (+5) is connected to the rear leg lever (4).
At the same time, one open leg is extended and bent to be fixed to the lower end of the lock rod (14).
A tension spring (
By elastically supporting the locking rod (1G), the horizontal rod (13), which is integrated with the locking rod (14), is always brought into elastic contact with the locking edge of the locking rod (12). Connect the upper end of the L-shaped connecting rod (one leg to the auxiliary rod 18) directly above the fixed part of the straddle member (10), and connect the lower end to the lower stop of the rear leg lever (4) to form the L-shaped connecting rod. The upper bent side of the connecting rod 07) is placed on the auxiliary rod (8), and the lower bent side is placed on the rear leg rod (4). In addition, a cushion cover +41' is placed over the top of the gate-shaped rear leg lever (4), and a latch member α is rotatably pivoted to the central lower part of the handle and the lever (7) to lock it. The handle rod (7) is fixed along the auxiliary rod (8) by removably locking the claw (a) to the pin 181 protruding from the opposite position of the auxiliary rod (8). When the handle rod (7) is reversed to the facing side, the connecting rod (5)
By extending the connecting pin (5r) of the rear leg lever (4) and locking the locking claw (barb) to the connecting pin 151', the rear leg lever (7) can be attached to the rear leg lever (4). It is fixed by
In the case of the present invention, although not shown in the drawings, the armrest may be horizontally connected to the rod (river) over the central lower part of the handle rod (7) and the upper end of the rear leg rod (4), and the lock rod may be connected horizontally. Although not shown in place of the foot lever (15) that operates the foot lever (14), a wire is tied to the lock lever (14) in order to slide the lock lever (14) along the rear leg lever (4). By extending the wire end to the hand of the handle rod (7), the lock rod (14) and the horizontal rod (13), which are integrated with each other, can be brought into elastic contact with the locking edge (1). Since the straddle member 110) [0) integrated with the rear leg lever +4) +41 is firmly held, the vehicle body is securely fixed without any lateral vibration of the vehicle body.

Furthermore, when the locking rod (14) is pushed up diagonally in one direction by operating the foot lever θ5), an L-shaped member (+9) that temporarily maintains the released state is attached to the side of the locking edge θ. Arrival, L
A tension spring (20
).

Since the present invention is constructed in this way, when folding it from the usage state shown in FIG. The engagement is disengaged, the straddle member (10) and the rear leg lever (4) are disengaged, and the horizontal lever (13) is moved to the L position as shown in FIG.
The locking rod (14
) is maintained in the released state. Next, when the handle rod (7) is pushed forward and made almost upright, the armrest rod (lI), the locking connecting rod (12), and the L-shaped connecting rod 07) rotate clockwise, as shown in Fig. 2. The front leg lever (2) is the rear leg lever (4).
), and the rear leg rod (4) is also folded in a direction toward the handle rod (1). At this time, the horizontal lever (14) moves toward the front leg lever (2) while sliding against the upper surface of the locking lever θ2), but the locking lever (12)
By passing through the dead point on the top surface, the folding becomes possible, so if the movement of the horizontal rod (+3) stops on the way to the dead point, for example, if the horizontal rod (+3) is in use while the stroller is in use, the horizontal rod (03) When the locking edge (12 yen) is disengaged, the load presses the locking connecting rod 02, and the horizontal rod (13) returns to its original position, causing it to engage with the locking edge (1st step). It is safe because the vehicle body will not be folded accidentally.The side rod (13) is securely engaged by the elastic contact between the locking edge 02 and the L-shaped member θ. As shown in the figure, when the rear leg lever (4) is folded upright until it is almost parallel to the handle lever (7), the armrest is attached to the lever (11) and the locking link 02.
) and the L-shaped connecting rod 07) are further rotated clockwise, and the armrests are inserted into the inside of the gate-shaped Nohendor rod (7), and the locking connecting rod (12) is turned inside the rear leg rod +4++41. The L-shaped connecting rod θη enters the inside of the handle rod (7),
The front axle t+) (tl goes above between the rear wheels [3] +3j and the car body is folded compactly.Also, instead of the foot lever (+5), it locks near the grip of the handlebar lever (7). When an operating portion connected to the end of the index wire for pulling up the rod (14) is provided, the horizontal rod (13) and the locking edge (1'2\) can be easily engaged and disengaged by manual operation.

As described above, the present invention is an excellent and useful invention that has a robust and durable structure, is free from failure, is easy to manufacture, is easy to handle, and is extremely safe.

[Brief explanation of the drawing]

Fig. 1 is a front view showing the first use state of the present invention, Fig. 2 is a front view showing the middle stage of folding, Fig. 3 is a front view showing the final state, and Fig. 4 is the same as Fig. 1. FIG. 5 is a left side view of the portion indicated by arrow A in FIG. (2)...Front leg lever (4)...Rear leg lever 5 (5)...Connecting bar (6)...Square groove (7)...Handle bar (lO)...
Straddle member (11)...Armrest is a rod (12)...Latching link 02y'...Locking edge (13)...Horizontal bar (14)...
Locking rod (15)... Foot lever (16)... Tension spring (+7)... L-shaped connecting rod (19)... L-shaped member Figure 1 Figure 3 Figure 4 Figure 5

Claims (1)

[Claims] The upper end of the front leg rod and the upper end of the rear leg rod are connected via a connecting rod, and a straddle member that removably holds the center part of the rear leg rod is fixed to the lower end of the handle rod, and An armrest connects both ends of the lever across the upper end of the rear leg lever, and both ends of a locking link having a serrated locking edge in the center are connected to the center of the front leg lever and near the bottom of the handle lever, A locking rod that fixes the rear leg lever by making elastic contact with the locking edge in a freely engaging and detachable manner is arranged in parallel with the rear leg lever, and an L-shaped member that maintains the released state of the locking lever is attached to the side of the locking edge. An operating section that is pivotably pivoted to the rear leg lever and elastically contacts the lock lever and engages and disengages the lock lever is provided at the bottom of the rear leg lever or at the top of the handle lever, and an L-shaped connecting lever is attached to the rear leg lever and the handle lever. A foldable stroller whose upper and lower ends are connected to the lower part of the rear leg rod and the lower part of the handle rod, respectively, so as to be foldable.