JP2012158974A - Wheel stop device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wheel stop device applicable for any kind of wheeled object to surely prevent the movement of the wheeled object in earthquake.SOLUTION: The wheel stop device 10 generally comprises: a base part 12 to be fixed to a floor surface as a ground plane, and having a bearing 14 erected on one face; a wheel introduction part 22 disposed on the side of one face of the base part 12, and having a shaft portion 24 disposed approximately parallel to the base part 12 and rockably journaled to the bearing 14; and a wheel stop part 32 disposed on the side of one face of the base part 12, and rockably connected to the wheel introduction part 22 at a position approximately parallel to the shaft portion 24.

Description

  The present invention relates to a wheel stopper for preventing various wheeled articles from moving in an unintended direction due to an earthquake or an unintended collision of an article.

  Conventionally, flat-screen TV stands, pianos, personal computer tables, etc. in homes, furniture for displaying products / products in shops and factories, carts for conveying products / products, chairs, desks, mobile shelves in offices In order to move a whiteboard, a copy machine, etc., casters as wheels are arranged below the articles.

  For example, Patent Document 1 proposes a stopper that stops rotation of a wheel provided on a caster of an article with casters.

  For example, Patent Document 2 proposes a stopper that fixes an adjuster provided in a clean booth with casters to a floor.

  JP-A-9-276062   JP 2002-153342 A

  However, the stopper as disclosed in Patent Document 1 has a problem that it cannot be applied to any wheeled article because a complicated mechanism must be provided around the caster or on the caster itself.

  In addition, the fastener as disclosed in Patent Document 2 always fixes a wheeled tool table on which a carriage or a tool for carrying goods that must be moved frequently for use. There was a problem that could not be used.

  The object of the present invention has been made in view of the above-mentioned circumstances, and the main object of the present invention is applicable to any wheeled article, and reliably prevents the movement of the wheeled article against an earthquake or the like. It is to provide a wheel stopper that can be used.

  In order to solve the above-described problems and achieve the object, a wheel stopper according to the present invention is, according to claim 1, a base portion provided with a bearing fixed to a ground surface and erected on one surface. A wheel introduction portion including a shaft portion that is disposed on one side of the base portion, is substantially parallel to the base portion, and is pivotally supported by the bearing, and the base portion And a wheel stopper that is swingably connected to the wheel introduction portion at a position substantially parallel to the shaft portion.

  In order to solve the above-described problems and achieve the object, the wheel stopper according to the present invention is characterized in that a wheel stopper auxiliary portion is provided on one surface of the base portion according to the second aspect. To do.

  In order to solve the above-described problems and achieve the object, the wheel stopper device according to the present invention is according to claim 3, wherein the shaft portion is in a state where the wheel introduction portion and the wheel stopper portion are bent. It is arrange | positioned in the position connected.

  In order to solve the above-described problems and achieve the object, the wheel stopper according to the present invention is, according to claim 4, a wheel stopper release for releasing the bent state of the wheel introduction portion and the wheel stopper portion. It comprises a part.

  In order to solve the above-described problems and achieve the object, the wheel stop device according to the present invention is according to claim 5, wherein the wheel stop release portion is connected to the wheel stop portion of the shaft portion. A release protrusion that moves the wheel introduction portion in a direction away from the base portion is provided on the side opposite to the side.

  In order to solve the above-described problems and achieve the object, the wheel stop device according to the present invention is according to claim 6, wherein the wheel stop release portion is connected to the wheel stop portion of the shaft portion. On the side, a release protrusion for moving the wheel introduction part in a direction to approach the base part is provided.

  In order to solve the above-described problems and achieve the object, the wheel stopper according to the present invention is characterized in that, according to claim 7, the wheel introduction part includes a wheel return part on the wheel stopper part side. It is characterized by.

  According to the present invention, it is possible to provide a wheel stopper that can be applied to any conventional wheeled article.

  Further, according to the present invention, it is possible to provide a wheel stopper that has a simple structure and can be installed anywhere.

  The perspective view of the wheel stopper apparatus of 1st Example   Side surface sectional drawing of the wheel stopper apparatus of 1st Example   Side surface sectional drawing of the wheel stopper apparatus of 1st Example   The other side surface partial sectional view of the wheel stopper device of the first embodiment   Side surface fragmentary sectional view of the wheel stopper device of 2nd Example

<First embodiment>
A first embodiment of the present invention will be described below with reference to the drawings. In this embodiment, the article whose movement is restricted by the wheel stopper device of the present invention is a cart with casters used for transporting products and parts in a factory or the like, but is not limited thereto. The wheel stopper device of the present invention is applicable to any article that moves from a predetermined position when the article is used and returns to the predetermined position when the use is completed.

  First, the configuration of the wheel stopper device 10 of the present invention will be described with reference to FIGS. 1 to 4. FIG. 1 is a perspective view of a wheel stopper device 10 of the present invention. FIG. 2 is a partial cross-sectional side view of the wheel stopper device 10 as viewed from the front side of FIG. 1 (the arrow A side in FIG. 1), and is a diagram illustrating a standby state of a wheel stopper portion described later. FIG. 3 is a partial cross-sectional side view of the wheel stopper device 10 as viewed from the front side of FIG. 4 is a partial cross-sectional side view of the wheel stopper device 10 as viewed from the back side in FIG. 1 (the arrow B side in FIG. 1), and is a view showing a wheel stopper release portion.

  A cart with casters that wants to prevent movement against vibration due to an earthquake or the like generally includes four casters provided at four corners of the lower surface of a substantially rectangular pedestal.

  This cart with casters is an article used to place parts on the upper surface of the pedestal and transport the parts in the factory, for example. I can't keep it. In addition, in a cart with casters, a position where each cart is placed is determined as a predetermined position except when parts are conveyed. For this reason, the function required for the wheel stopper device 10 is that it can be easily moved from a predetermined position when using a cart with casters so as not to hinder the transportation of parts, and once an earthquake occurs, It is to prevent the cart with casters from moving from a predetermined position.

  A wheel stopper device 10 for preventing movement of a cart with casters is fixed to a floor surface as a ground surface, and includes a base portion 12 having a bearing 14 erected on one surface, and a side of one surface of the base portion 12. A wheel introduction portion 22 having a shaft portion 24 disposed substantially parallel to the base portion 12 and pivotally supported by the bearing 14, and disposed on one side of the base portion 12. And a wheel stopper 32 that is swingably connected to the wheel introduction portion 22 at a position substantially parallel to the shaft portion 24.

  The base portion 12 is a substantially rectangular plate-like member made of, for example, metal or reinforced plastic, and includes a plurality of bearings 14 for supporting the shaft portion 24 on one surface. Further, the other surface of the base portion 12 is placed on the floor surface, and is fixed to the floor surface with, for example, a double-sided adhesive tape or an anchor bolt so that the base portion 12 does not move.

  The wheel introduction part 22 is a substantially rectangular plate-like member made of metal or reinforced plastic disposed on one surface side of the base part 12, and the one surface rotates while the caster of the cart with casters is in contact. It is a wheel introduction surface 23 that moves. In addition, a shaft fixing portion 26 for fixing the shaft portion 24 toward the other surface is provided on one side surface of the pair of wheel introduction portions 22.

  The wheel stopper 32 is a substantially rectangular plate-like member made of metal or reinforced plastic disposed on one side of the base 12, and one surface serves as a wheel stopper 33 described later. ing. Further, a hinge 34 is attached to the other side of the wheel introduction part 22 on the other side of the wheel introduction part 22 (a side substantially perpendicular to one set of side faces on which the shaft fixing part 26 is erected). The wheel stopper 32 is attached to the hinge 34 so as to be swingable with respect to the wheel introduction portion 22.

  The position where the shaft portion 24 is disposed is such that the weight of the side to which the wheel stopper portion 32 is coupled as viewed from the shaft portion 24 (the left side of the shaft portion 24 in FIG. It is in a position that is lighter than the weight of the side to which the stop 32 is not connected (the right side of the shaft 24 in FIG. 2). The part 22 and the wheel stopper 24 are connected in a state of being bent by a hinge 34.

  Further, on three sides of the side surface of the base portion 12, a wheel stopper auxiliary portion 16 is provided in a wall shape toward one surface of the base portion 12.

  Moreover, the wheel stopper device 10 of the present invention includes a wheel stopper release unit 50 for releasing a standby state in which the wheels are not allowed to move. As shown in FIG. 4, the wheel stopper release portion 50 is a release protrusion that moves the wheel introduction portion 22 in a direction away from the base portion 12 on the side opposite to the side to which the wheel stopper portion 32 of the shaft portion 24 is connected. A part 52, a pedal 54 for stepping on with a foot or the like, a release protrusion 52 on one side, and a wheel stop release lever 55 on which the pedal 54 is provided on the other. Further, the wheel stopper release lever 55 includes a lever bearing 56 and is pivotally supported by a lever shaft portion 58 disposed on one surface side of the base portion 12 so as to be swingable.

  In the wheel stopper release part 50 having such a configuration, the procedure for releasing the bent state of the wheel introduction part 22 and the wheel stopper part 32 is as follows. When the pedal 54 is stepped on with a foot or the like, the wheel stop release lever 55 is swung by the lever bearing 56 and the lever shaft portion 58, and the release protrusion 52 moves away from the base portion 12. As a result, the release protrusion 52 comes into contact with the other surface of the wheel stopper 32 and moves the side of the wheel introduction portion 22 opposite to the side to which the wheel stopper 32 is connected in the direction of separating from the base portion 12.

  In addition, as a structure for canceling the bent state of the wheel introduction part 22 and the wheel stopper part 32, the wheel introduction part 22 is brought close to the base part 12 on the side where the wheel stopper part 32 of the shaft part 24 is connected. You may make it provide the cancellation | release protrusion part 52 moved to a direction.

  The procedure for making the caster-mounted carriage immovable using the wheel stopper device 10 of the present invention having such a configuration will be described below.

  In the wheel stopper 10 of the present invention, as described above, the shaft 24 is arranged such that the weight on the side where the wheel stopper 32 is connected is lighter than the weight on the side where the wheel stopper 32 is not connected. Is in position. For this reason, before introducing the caster-equipped carriage into the wheel stopper device 10, as shown in FIG. 1 or FIG. 2, the side where the wheel stopper portion 32 of the wheel introduction portion 22 is not connected (the wheel stopper auxiliary portion 16 has a wall shape). (The remaining one side, not the three sides) provided on the floor (in the standby state).

  In order to introduce the cart with casters to the wheel stopper device 10 in this standby state, the caster of the cart with casters is pushed into the side where the wheel introduction unit 22 is in contact with the floor surface, Move the caster while rolling. When the caster moves on the wheel introduction surface 23 from the right side to the left side in FIG. 2 and exceeds the shaft portion 24 on the surface of the wheel introduction surface 23, the wheel introduction portion 22 swings and the wheel is moved as shown in FIG. The side to which the wheel stopper 32 of the introduction part 22 is connected approaches the base part 12. At this time, the wheel stopper 32 connected by the hinge 34 is swung by the hinge 34 so that the wheel introduction surface 23 and the wheel retention surface 33 are flush with each other (this is referred to as an introduction state).

  In this introduction state, when the caster of the carriage with casters is further moved to a position in contact with one surface of the base portion 12 and the casters are lowered from the wheel stop surface 33, the wheel introduction portion 22 swings and returns to the standby state. .

  As a result, the caster of the cart with casters is surrounded by the three-side wheel stop auxiliary portion 16 and the wheel stop surface 33 provided in a wall shape, and the cart with casters is in a non-movable state.

  Next, the procedure for releasing the wheel stopper device 10 of the present invention and setting the caster-equipped carriage to a movable state will be described below.

  When the caster of the cart with casters is surrounded by the three-side wheel stopper auxiliary portion 16 and the wheel stopper surface 33 provided in a wall shape, the pedal 54 of the wheel stopper release portion 50 is stepped on with a foot or the like. The wheel stop release lever 55 is swung by the lever bearing 56 and the lever shaft portion 58, and the release protrusion 52 moves in a direction away from the base portion 12.

  And since the release protrusion 52 contacts the other surface of the wheel stopper 32, the wheel introduction part 22 is moved in the direction away from the base 12 on the side opposite to the side to which the wheel stopper 32 is connected. The wheel stopper 32 connected by the hinge 34 swings, and the bent state of the wheel introduction surface 23 and the wheel stopper surface 33 is released to be flush with each other (this is set to the released state).

  While maintaining the released state where the wheel introduction surface 23 and the wheel stop surface 33 are flush with each other, the caster of the carriage with casters is moved while rolling on the surface of the wheel stop surface 33. When the caster moves on the wheel stop surface 33 from the left side to the right side in FIG. 3 and further exceeds the shaft portion 24 on the surface of the wheel introduction surface 23, the wheel introduction portion 22 swings, as shown in FIG. The side where the wheel stopper 32 of the wheel introduction part 22 is not connected approaches the base part 12.

  As a result, the cart with casters is released from the wheel stopper 10 and can move freely.

  As described above, the wheel stopper device 10 of the present invention can reliably prevent the movement of the cart with casters as an article when vibration such as an earthquake occurs, and the cart with casters is used. In this case, it is possible to easily move from a predetermined position.

  Further, the wheel stopper device 10 of the present invention does not require any parts or devices on the side of the cart with casters, and has a feature that can be applied to any cart with casters.

  Furthermore, the wheel stopper device 10 of the present invention has a feature that it is very simple in structure and can be manufactured at low cost.

<Second embodiment>
The second embodiment of the present invention will be described below with reference to the drawings. In the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted as appropriate.

  The configuration of the second embodiment of the wheel stopper device 10 of the present invention will be described with reference to FIG. FIG. 5 is a partial side sectional view of the wheel stopper device 10 of the second embodiment. The wheel introduction part 22 of the second embodiment is provided with a wheel return part 28 so as to extend the wheel introduction surface 23.

  The wheel return portion 28 is a member extended so as to protrude from the wheel introduction portion 22 in the standby state of the wheel stopper portion 32 (the state shown in FIG. 2 or FIG. 5), and a cart with casters is provided in a wall shape. In addition, the caster is prevented from getting over the wheel stop surface 33 due to a vibration such as an earthquake in a state in which it is surrounded by the wheel stop auxiliary portion 16 and the wheel stop surface 33 and cannot move.

  In addition, the wheel return portion 28 is arranged so as to face the wheel introduction surface 23 and the wheel stop surface 33 that are flush with each other in the introduction state (or release state) of the wheel stop portion 32 so that there is no step. Yes.

  For this reason, the wheel stopper device 10 according to the second embodiment can more reliably hold the caster-equipped carriage in a state in which it cannot move.

10 .. Wheel stop device, 12 .... Base part, 14 .... Bearing, 16 .... Wheel stop auxiliary part, 22 .... Wheel introduction part, 23 ... Wheel introduction surface, 24 ... Shaft part, 26 ... Shaft Fixing part, 28 .. wheel return part, 32 .. wheel stop part, 33 .. wheel stop surface, 34 .. hinge, 50 .. wheel stop release part, 52 .. release projection part, 54. ..Wheel stop release lever, 56 ..Lever bearing, 58 ..Lever shaft

Claims (7)

A base portion fixed to the ground surface and provided with a bearing standing on one surface;
A wheel introduction portion that is disposed on one surface side of the base portion and includes a shaft portion that is disposed substantially parallel to the base portion and pivotally supported by the bearing;
A wheel stop portion disposed on one surface side of the base portion and connected to the wheel introduction portion in a swingable manner at a position substantially parallel to the shaft portion. Stop device.   The wheel stopper device according to claim 1, further comprising a wheel stopper auxiliary portion on one surface of the base portion.   3. The wheel stopper device according to claim 1, wherein the shaft portion is disposed at a position where the wheel introduction portion and the wheel stopper portion are connected in a bent state. 4.   The wheel stopper device according to claim 3, further comprising a wheel stopper releasing portion that releases a bent state of the wheel introduction portion and the wheel stopper portion.   The wheel stop release part includes a release protrusion that moves the wheel introduction part in a direction away from the base part on a side opposite to a side to which the wheel stop part of the shaft part is connected. The wheel stopper device according to claim 4.   5. The wheel stop release portion includes a release protrusion that moves the wheel introduction portion in a direction of approaching the base portion on a side of the shaft portion to which the wheel stop portion is connected. Wheel stop device according to.   The wheel stop device according to any one of claims 1 to 6, wherein the wheel introduction portion includes a wheel return portion on a side of the wheel stop portion.

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