JP7029615B1 - Caster stopper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a caster stopper capable of stopping a movement freely back and forth and left and right without requiring a special stopping device in a push cart or the like of a caster with omnidirectional movable wheels. SOLUTION: The omnidirectional movable wheel 100 is provided with a stopper for stopping two movements of traveling in the front-rear direction and rotating in the left-right direction, and is stopped by elastic bodies 10 and 10 on both sides around a rotating shaft 2. 3, 3, the brake shoes 5, 5, and the pressing plates 4, 4, which are engaged with the support member 1, are urged, and the pressing connected to the links 7, 7 by the rotation of the stopper levers 6, 6, is performed. The plates 4 and 4 rotate to disengage the engagement with the support member 1, and the protrusions 4x and 4x of the pressing plates 4 and 4 are bulged at a height H so as to be horizontal in the axial direction of the rotating shaft 2. When the brake shoes 5, 5 and the stop plates 3, 3 are moved and pressed against each other, the barrel-shaped roller 101 is rotated twice around the rotation shaft, and the omnidirectional moving wheel 100 is stopped regardless of the position on the circumference. do.

Description

The present invention relates to a stopper provided on a caster of an omnidirectional movable wheel (100).

In the existing omnidirectional moving wheel push carts, etc., if the floor condition is not horizontal, the omnidirectional moving wheels move freely back and forth and left and right, so a special stop device is required when stopping. It is necessary to select the model of the device according to the size of the load placed on the trolley, and the device is currently installed at a position different from the casters.

Utility model registration No. 3227162 Public relations

An object of the present invention is to provide a caster stopper that does not require a special stop device, eliminates unstable movements in the front-rear and left-right directions, regardless of the position to be stopped in a push cart or the like of an omnidirectional movable wheel.

The omnidirectional moving wheel 100 rotates around two horizontal rotation shafts fixed to the support member 1 and advances in the front-rear direction, and the omnidirectional moving wheel 100 is alternately divided into R and L sides. A stopper that stops the caster 50, which can rotate around the rotation shaft 102 of the barrel-shaped roller 101 arranged in the wheel and can perform two operations of rotation traveling in the left-right direction, and is around the rotation shaft 2 of the omnidirectional moving wheel 100. Pressing plate protrusions 4x, 4x that are engaged with the stop plates 3, 3, the brake shoes 5, 5, and the engagement holes 1a, 1a of the support member 1 by the elastic bodies 10, 10 arranged on both sides. , And the pressing plates 4, 4 connected to the links 7, 7 by the rotation of the stopper levers 6, 6 are urged to engage the support member 1. Brake by disengaging the engagement with the holes 1a and 1a and moving the pressing plates 4 and 4 horizontally in the axial direction of the rotating shaft 2 at the height H of the bulge of the pressing plate convex portions 4x and 4x. The shoes 5, 5 and the stop plates 3, 3 are pressed, and the barrel-shaped roller 101 is pressed by the stop plates 3, 3 at any position on the circumference around the rotating shaft, and the omnidirectional moving wheel stops. It will be solved by doing.

By applying the stopper of the present invention to the casters, stable stopping can be performed at all times regardless of the condition of the floor, so that it is safe and can be applied to push carts, shopping carts, strollers, wagons and the like.

It is an exploded view of the caster stopper in the Example of this invention. It is a perspective view of the caster stopper in the Example of this invention. 2A and 3B are a front view (a) and a line cross section AA (b) when the stopper of the caster stopper is released, and a front view (c) and a line cross section BB (d) when the stopper is released in the embodiment of the present invention.

In FIG. 1, the support member 1 has rotary shaft holes 1c and 1c on both side surfaces, several engaging holes 1a and 1a around the rotating shaft holes 1c and 1c, and link pin relief swinging elongated holes 1b and 1b, respectively. Holes 1x and 1x for the stopper lever fulcrum are opened, and rotation restricting convex portions 1w, 1w, 1v and 1v of the stopper levers 6 and 6 are provided. The stopper levers 6 and 6 have fulcrum pins 13 and 13 incorporated as shafts in the fulcrum holes 6a and 6a, and the stopper lever rotation restricting protrusions 1w, 1w, and 1v, 1v of the support member 1 with the shaft as a fulcrum. Rotation is regulated between. The link pins 15 and 15 are fixed to the link pin holes 6b and 6b by the cap nuts 16 and 16, and the handle holes 6c and 6c are holes for supporting the handle 14. The links 7 and 7 are connected to the rotary shaft holes 7a and 7a, the spacers 12 and 12, and the link pin holes 4b and 4b of the pressing plates 4 and 4 by the rotary pins 11 and 11, and the stopper levers 6 and 6 are connected. , The rotation of the is transmitted to the pressing plates 4, 4, and acts to mediate the engagement with the support member 1 or the disengagement of the engagement. The spacers 12 and 12 are intended to prevent the pressing plates 4 and 4 and the links 7 and 7 from rubbing.

FIGS. 3 (a) and 3 (b) show the stopper released state, and elastic body receivers 8, 8 and collars 9, 9 are arranged on both sides of the omnidirectional movable wheel 100 arranged around two horizontal rotation axes. An elastic body 10, 10, a stop plate 3, 3, a brake shoe 5, 5, a pressing plate 4, 4, are arranged around the collars 9, 9, and the elastic body 10, 10, is a support member 1. It is urged to secure the engagement of the pressing plates 4 and 4 and the gap between the barrel-shaped roller 101 and the stopping plates 3 and 3.

In FIG. 3B, the link pins 15 and 15 and the flanged bushes 17 and 17 are fixed by press fitting, and the bushes are for the purpose of fitting and preventing the link pin holes 7b and 7b of the links 7 and 7 from coming off. The length of the portion is set to a length that secures the amount of movement because the pressing plates 4 and 4 move horizontally by the height H of the bulge of the pressing plate convex portions 4x and 4x.

FIG. 3C shows a state in which the support member 1 and the pressing plates 4 and 4 are disengaged and the stopper levers 6 and 6 are locked by the links 7 and 7.
FIG. 3D shows a state in which the stop plates 3, 3 and 3 are pressed against the barrel roller 101 due to the disengagement.

Fig. 1 1 Support member Fig. 1 1a Engagement hole Fig. 1 1b Link pin escape swing long hole Fig. 1 1c Rotation shaft hole Fig. 1 1v Stopper lever rotation regulation convex part (stopper release side)
Fig. 1 1w Stopper lever rotation regulation convex part (stopper side)
Fig. 1 1x Stopper lever fulcrum hole Fig. 1 2 Rotation axis Fig. 1 3 Stop board Fig. 1 4 Pressing board Fig. 1 4b Link pin hole Fig. 1 4x Pressing plate convex part Fig. 1 5 Brake shoe Fig. 1 6 Stopper lever Fig. 1 6a Support point Hole Figure 1 6b Link Pin Hole Figure 1 6c Handle Hole Figure 1 7 Link Figure 1 7a Rotating Shaft Hole Figure 1 7b Link Pin Hole Figure 1 8 Elastic Body Receiving Figure 1 9 Color Figure 1 10 Elastic Body Figure 1 11 Rotating Pin Fig. 1 12 Spacer Fig. 1 13 Supporting pin Fig. 1 14 Handle Fig. 1 15 Link pin Fig. 1 16 Cap nut Fig. 1 17 Cap nut Fig. 1 17 Capped bush Fig. 1 100 Omnidirectional moving wheel Fig. 2 50 Caster Fig. 3 101 Barrel type roller Fig. 3 102 Axis of rotation

Claims (2)

The operation in which the omnidirectional moving wheel (100) rotates around the horizontal rotation shaft (2) fixed to the support member (1) and advances in the front-rear direction, and the R side of the omnidirectional moving wheel (100). A stopper that stops the caster (50) that can rotate around the rotation axis (102) of the barrel-shaped rollers (101) arranged alternately on the L side and move in the left-right direction. The stop plate (3, 3) and the brake shoe (5, 5) are provided by the elastic bodies (10, 10) arranged on both sides of the omnidirectional movable wheel (100) around the rotation axis (2). And the pressing plate (4, 4) having the pressing plate convex portion (4x, 4x) engaged with the engaging holes (1a, 1a) of the support member (1) are urged, and the stopper levers (6, 6) are urged. ) Rotates the pressing plates (4, 4) connected to the links (7, 7) to eliminate the engagement of the support member (1) with the engaging holes (1a, 1a). Then, the pressing plate (4, 4) moves horizontally in the axial direction of the rotating shaft (2) at the height (H) of the bulge of the pressing plate convex portion (4x, 4x), whereby the brake. The shoe (5, 5) and the stop plate (3, 3) are pressed, and the stop plate (3, 3) is located at any position on the circumference of the rotation axis (2). ), The caster stopper is characterized in that the omnidirectional movable wheel is stopped. In the support member (1) having the stopper lever (6, 6) and the convex portion (1w, 1w, 1v, v) for restricting the rotation of the stopper lever, the engagement with the pressing plate (4, 4) is eliminated. Even if the omnidirectional moving wheel (100) is forcibly applied with a rotational force in the direction of releasing the stopper (N) in the stopper state at the time, the stopper levers (6, 6) are connected to the link (6, 6). In 7 and 7), the support member (1) is fixed on the convex portion (1w, 1w) side of the stopper lever rotation regulation by the force acting in the Z direction, and the link (7, 7) is locked and the stopper. The caster stopper according to claim 1, which has a structure for maintaining a state.

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