JPS6131893Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a brake device for a shopping car, a baby stroller, etc., and is characterized in that the brake device is pressed while slightly applying the brake.

When pushing a conventional shopping cart or baby stroller, only the shopping cart or baby stroller moves ahead of the person, causing the person to move in a hurry, and if an elderly person pushes it forward, there is a risk of stumbling or falling.

The present invention eliminates such drawbacks, and its embodiment will be described with reference to the drawings.The fixing rod 2 is horizontally fixed across the lower part of the left and right rear pipes 1, 1. At a position slightly higher than the height of the rear wheels 3, 3 which are pivoted on the lower ends of the brake body 4, both ends of the brake body 4, which connects the butting ends of the two rods in a vertically sliding manner, are pivoted to the rear pipes 1, 1. When the central part of the brake body 4 is pulled up, both ends of the brake body 4 come into pressure contact with the rear wheels 3, 3, thereby exerting a braking effect. A bolt 7 that fixes the inner wire 5 is screwed into a through hole 6 which is bent in a cross-sectional shape and through which the inner wire 5 is inserted, and the U-shaped portion 8 holds the overlapping sliding portion of the brake body 4. A brake body connecting fitting 8 is formed, and the central part of the brake body 4 is pulled up by the inner wire 5 to brake the rear wheels 3, 3. A through hole 9 communicating with a through hole 2' provided in the center of the fixed rod 2 and an inner wire 5
Screw hole 1 into which adjustment screw 10 is inserted to adjust the length of
An adjustment screw bracket 12 having an L-shaped cross section is formed, and an inner wire insertion hole 10' through which the inner wire 5 is inserted is formed in the center of the adjustment screw 10.
A recess 10'' for receiving the outer tube 13 is provided on the upper surface of the lock nut 1.
4 to fix the adjustment screw 10 to the brake body connection fitting 8, and a restoring spring 15 is elastically mounted between the brake body connection fitting 8 and the connecting rod attachment fitting 12. The base end of a brake operating rod 17 is pivotally attached to one upper corner of a gate-shaped handle pipe 16 that intersects with the rear pipe 1 in an X-shape, and an inner wire 5 is connected to the open end of the brake operating rod 17. The inner wire 5 is indexed by fixing the upper end and grasping the horizontal part of the handle pipe 16 and the brake operating rod 17 with fingers. Brake operating rod 1
The upper corner of the handle pipe 16 is fixed to a predetermined position of a holder 19 made of synthetic wood having a vertical groove 18 into which the other end of the handle pipe 16 and the upper part of the outer tube 13 are loosely fitted. Both sides of a sheet metal in which a keyway 20 which communicates with the vertical groove 18 provided in the holder 19 and is bent in an L shape are bent into a U-shaped cross section, and then one of the bent portions is extended and bent again at a right angle. Handle pipe 16
Loosely fit the U-shaped part of the lock fitting 22 with the mounting ear 21 formed thereon into the holder 19, and rivet the mounting ear 21 onto the handle pipe 16.
3, which is pivotably mounted to allow swinging.

Since the present invention is constructed in this manner, when the brake operating rod 17 is grasped with the fingers, the inner wire 5
The other end of the brake operating rod 17 to which the upper end is fixed communicates with the vertical groove 18 of the holder 19.
moves upward along the longitudinal groove of the keyway 20. At this time, when the lock fitting 22 is slightly rotated about the rivet 23, the other end of the brake operating rod 17 fits into the horizontal groove of the keyway 20 and is locked, so the brake operating rod 17 is pulled upward. Therefore, the inner wire 5 is also locked in the upwardly pulled state, and the brake body 4 is brought into pressure contact with the rear wheels 3, so that a complete braking state is ensured. Press the lock fitting 22 and press the key groove 2.
When the other end of the brake operating rod 17 is released from the lateral groove part of 0, the brake body 4 is pressed down by the restoring force of the restoring spring 15 and is pushed down in a straight line. Pressure contact is released. When an elderly person or the like pushes the shopping car according to the present invention, if they hold the brake operating rod 17 so as to pull it up moderately, the brake body 4 will always come into light contact with the rear wheels 3, 3, and the car will be pushed forward with light braking. As a result, only the shopping cart can be used first, and it can be used safely as a substitute for a cane without having to walk quickly.

As described above, the present invention is a useful device that has a strong and durable structure, is easy to manufacture, and is inexpensive.

[Brief explanation of the drawing]

Figure 1 is a front view showing the implementation state of the present invention;
The figure is a partial longitudinal cutaway front view showing the relative position of the brake operating rod and the lock fitting, and Figure 3 is a cutaway longitudinal cross-section of the main part showing the relative position of the brake body, the brake body connection fitting, the connection fixing rod, and the adjustment screw bracket. A side view, Fig. 4 is an enlarged side view with a cutaway of the main part showing a state in which the locking fitting is swingably placed over a holder fixed to the handle pipe, and Fig. 5 is a front view of the locking fitting.
Fig. 6 is a bottom view of the same, Fig. 7 is an enlarged plan view of the brake body, Fig. 8 is an enlarged plan view of the fixing rod, and Fig. 9 is a cutaway perspective view of the main parts showing the state in which the holder is attached to the handle pipe. be. 1... Rear pipe, 3... Rear wheel, 4... Brake body, 5... Inner wire, 15... Restoration spring, 16... Handle pipe, 17... Brake operating rod, 18... Vertical groove, 19 ...Holder, 20
...Keyway, 22...Lock fitting.

Claims (1)

[Scope of utility model registration request] A fixed rod 2 is fixed horizontally between the lower portions of a pair of left and right rear pipes 1, 1, and a brake body 4 is formed by connecting the butt ends of the two rods in a vertically aligned manner at a position slightly higher than the height of the rear wheels 3, 3, and both ends of the brake body 4 are pivotally attached to the rear pipes 1, 1. A brake body connecting metal fitting 8 is formed to embrace the aligned connected portion and to fasten the lower end of an inner wire 5. An adjustment screw bracket 12 through which the inner wire 5 is inserted and into which an adjustment screw 10 for adjusting the length of the inner wire 5 is screwed is fixed to the center of the fixed rod 2, and a restoring spring 15 is elastically mounted on the adjustment screw bracket 12 and the brake body connecting metal fitting 8. A brake operating rod 1 is attached to one upper corner of a gate-shaped handle pipe 16 which is crossed in an X-shape with the rear pipe 1.
The base end of the brake operating rod 17 is pivotally attached to the handle pipe 16, and the upper end of the inner wire 5 is fastened to the open end of the brake operating rod 17. A holder 19 having a vertical groove 18 into which the open end is loosely inserted is fixed to the upper end of the handle pipe 16, and a key groove 2 is provided to detachably fix the open end of the brake operating rod 17.
The brake device for a shopping car, a stroller, etc., is constructed by covering a holder (19) with a lock fitting (22) having a spring (10) and pivotally attaching the lock fitting (22) to a handle pipe (16) so as to be freely swingable.