JP5021328B2 - Mobile fixture stopper device - Google Patents

Description

  The present invention relates to an improvement in a stopper device which is attached to the bottom of a mobile fixture such as a wagon or cabinet with a caster and restricts the movement of the fixture so that it can be released at a use position in a room or the like.

A stopper comprising a support member attached to the bottom of the movable furniture, an operation member slidably combined with the support member, and a grounding member having an inclined guide hole for receiving a pin provided in the operation member There is a device. (See Patent Document 1) In this apparatus, by moving the operation member, the grounding member is moved up and down by the inclination of the inclined guide hole, and the grounding member at the lift position is lowered to lower the grounding member to the floor surface. The movement of furniture is restricted by pressing the grounding part of the door.
Japanese Patent Laid-Open No. 2003-19050

  The main problem to be solved by the present invention is that the stopper device of this type can be reliably operated with a simple and hard-to-break mechanism different from the mechanism of the inclined guide hole and the pin that fits in the stopper device. It is in the point to make.

In order to achieve the above object, according to the present invention, the stopper device for the mobile furniture is provided with the following configurations (1) to (4).
(1) a mounting base to the bottom of the mobile fixture;
(2) A stopper part which is rotatably mounted on the mounting base with a horizontal axis and has a pressure contact part on the floor surface on the free end side;
(3) an urging means for constantly urging the stopper part to a lift position where the pressure contact part of the stopper part is not brought into contact with the floor surface;
(4) A slide part that is combined with the mounting base so as to be slidable in a direction crossing the horizontal axis and that pushes the stopper part from above by a forward movement and pushes it down in a direction to resist the biasing. Yes.

  By moving the slide part forward, the stopper part is pushed down and rotated against the urging force of the urging means to press the pressure contact portion against the floor surface, thereby stably positioning the movable fixture at the use position. be able to. When the forwardly moved slide part is moved back, the stopper part is returned to the lift position by the urging force, and the press contact of the press contact portion with the floor surface is forcibly released. As a result, movement using a caster of a fixture is allowed.

  The slide part may be provided with a roller part that presses against the upper part of the stopper part by forward movement. In this case, the slide part can be brought into contact with the stopper part at the roller part with a small contact resistance by the forward movement of the slide part, and can be smoothly pushed down and rotated.

  The upper part of the stopper part, where the roller part comes into contact at the position where the slide part has been moved forward, may be configured as an inclined part that positions the inclined upper end on the backward movement destination side of the slide part. In such a case, in a state where the slide part is fully moved forward and the stopper part is fully pushed down and rotated, the slide part does not return unless the roller part is hooked to the inclined part and the reverse operation is performed. It is possible to stably maintain the state in which the stopper part is fully pushed down and rotated.

  The press-contact portion of the stopper part may be configured by an elastic deformation body having a circular shape. In this case, when the slide part is moved forward, the stopper part pushes the pressure contact portion against the floor surface like a sucker while elastically deforming the pressure contact portion, thereby firmly preventing the movement of the fixture.

  Pressure stoppers are provided on both sides of a center line perpendicular to the horizontal axis of the stopper part, and the slide part is configured to push the stopper part from above at least at the center line position. Sometimes. In this case, the two press contact portions are pressed against the floor surface with substantially the same force by the forward movement of the slide parts, and the movement of the movable furniture can be surely prevented.

  In some cases, the operating end of the lever body having the operation end positioned on the side of the mounting base and the intermediate portion rotatably mounted on the mounting base is rotatably mounted on the slide part. In this case, the stopper part can be moved forward and backward by rotating the lever body using the operation end of the lever body protruding to the side of the mounting base.

  According to the stopper device of the present invention, the stopper part, which is positioned at the lift position by the urging force of the urging means, is provided on the free end side of the slide part by pushing the slide part downward from the top by the forward movement of the slide part. It is possible to restrict the movement of the fixture by pressing the pressed portion against the floor surface, and by returning the slide part, the stopper part can be returned to the lift position by the urging and the restriction can be released. That is, the stopper device according to the present invention operates reliably with a simple and hard-to-break mechanism.

  The best mode for carrying out the present invention will be described below with reference to FIGS.

  Here, FIG. 1 shows a state in which the stopper device is attached to the bottom Wa of the movable fixture W as viewed from below. When the operation end 50 of the lever body 5 constituting the stopper device attached in this way is operated by putting a finger between the bottom Wa of the fixture W in a state in which movement is not restricted and the floor surface, etc., and FIG. 10, the slide part 4 moves forward, the stopper part 2 is pushed down and rotated, and the movement of the fixture W is restricted in the state of FIG. 2, 3, 4 and 5 show the state in which the stopper part 2 has been pushed down and rotated, and FIGS. 6 and 7 show the state in which the stopper part 2 is in the lift position.

  The stopper device according to this embodiment is attached to the bottom Wa of a movable fixture W such as a wagon or cabinet with a caster Wb, and restricts the movement of the fixture W so as to be releasable at the use position in a room or the like. Is.

Such a stopper device is
(1) Mounting base 1
(2) Stopper parts 2
(3) Energizing means 3
(4) Slide part 4
It is equipped with.

  The attachment base 1 is attached to the bottom portion Wa of the fixture W such that the upper portion 10 is attached to the bottom portion Wa of the movable fixture W. A stopper part 2, a biasing means 3 and a slide part 4 are combined with the mounting base 1 on the lower side of the mounting base 1. In the illustrated example, the stopper part 2 has a plate-like main body 11 having a substantially rectangular outline shape in a plan view. The length-side rising portions 111 are formed on both edge portions on the length side of the plate-like main body 11 so as to protrude downward over these edge portions. Further, a width-side rising portion 112 is formed at one edge portion on the width side of the plate-shaped main body 11 so as to protrude downward over the edge portion. Further, on the lower side of the plate-shaped main body 11, a pair of central wall portions 113, 113 are formed at the center of the plate-shaped main body 11 and continue along the length direction of the plate-shaped main body 11. A space 114 is formed between the end of the central wall 113 facing the width-side rising portion 112 and the width-side rising portion 112 so that a free end 21 side, which will be described later, of the stopper part 2 is accommodated. A space 115 in which the arm portion 23 of the stopper part 2 is accommodated is formed between the central wall portion 113 and the length side rising portion 111. In addition, a space between the lower ends of the pair of central wall portions 113 and 113 is covered with a central horizontal plate portion 116. The slide part 4 is combined with the mounting base 1 so as to be slidable along the length direction of the plate-like main body 11 between the pair of central wall portions 113, 113. In the illustrated example, the mounting base 1 is attached to the bottom portion Wa of the fixture W using two ear portions 12 and 12 protruding sideways from the edge portion on the length side of the plate-like main body 11. Yes.

  The stopper part 2 is rotatably mounted on the mounting base 1 with a horizontal shaft 20 and has a pressure contact portion 22 to the floor M on the free end 21 side. In the illustrated example, the stopper part 2 includes a pair of arm portions 23 and 23 and a bridge portion 24 extending between one end portions of the pair of arm portions 23 and 23. The stopper part 2 is configured such that the shaft end of the horizontal shaft 20 fixed to the other end portion of the arm portion 23 is pivotally supported by the length side rising portion 111 and the central wall portion 113 of the mounting base 1. The erection part 24 is pivotally assembled to the mounting base 1 so that the erection part 24 is moved in the vertical direction with the erection part 24 side as a free end 21. The pressure contact portions 22 are provided below the stopper parts 2 and on both sides of a virtual segment line that is perpendicular to the horizontal axis 20 and bisects the installation portion 24 to the left and right. Each press-contact portion 22 is configured by an elastic deformable body 221 having a circular shape. In the example shown in the drawing, a circle of a sucker-like part 222 made of rubber or rubber-like plastic having a disk-like base 222a and a skirt-like part 222b protruding downward from the edge of the disk-like base 222a. By screwing the plate-like base 222 a to the stopper part 2, the elastic deformable body 221 is constituted by the skirt-like part 222 b of the sucker-like part 222. Therefore, the elastic deformation body 221 spreads outward toward its lower end. Thus, in this example, when the slide part 4 is moved forward, the stopper part 2 is pressed against the floor surface M like a suction cup while elastically deforming the pressure contact part 22 so as to prevent the movement of the fixture W firmly. It has become.

  In this example, the free end 21 of the stopper part 2 has a jaw-shaped restriction that hits the restriction part 112a of the width-side rising part 112 of the mounting base 1 from above at a predetermined depressed position of the stopper part 2. A portion 25 is provided.

  The urging means 3 constantly urges the stopper part 2 to a lift position where the pressure contact portion 22 of the stopper part 2 is not brought into contact with the floor surface M. In this example, unless the slide part 4 is moved forward as will be described later, the stopper part 2 causes the upper end of the free end 21 to abut the lower surface of the plate-like main body 11 of the mounting base 1 by the biasing means 3. It can be positioned at the lift position. (FIG. 7) In the illustrated example, a pair of left and right bearing walls 231 and 231 are formed at the other end of the arm portion 23 of the stopper part 2, and the horizontal shaft 20 is supported between the bearing walls 231. One of the shaft ends of the horizontal shaft 20 protruding outward from 231 is pivotally supported by the length-side rising portion 111 of the mounting base 1, and the other of the shaft ends is pivotally supported by the central wall 113. A torsion coil spring 30 is wound around the horizontal shaft 20 between the pair of bearing wall portions 231 and 231. One end 301 of the spring 30 wound in this way is fixed to the other end of the arm portion 23 of the stopper part 2 and the other end 302 of the spring is fixed to the mounting base 1, and the stopper part from the lift position. When 2 is pushed down, the winding portion of the spring 30 is elastically deformed. That is, in the illustrated example, the spring 30 functions as the urging means 3.

  The slide part 4 is combined with the mounting base 1 so as to be slidable in a direction crossing the horizontal axis 20, and is pushed down and rotated in a direction to resist the bias by pushing the stopper part 2 from above by forward movement. Is.

  In the illustrated example, the slide part 4 is configured to have a substantially rectangular plate shape that is long in the slide movement direction. The slide part 4 has a width that fits between the pair of central wall portions 113, 113 of the mounting base 1 with the plate surface horizontal. Ribs 40 are formed on both end surfaces along the length direction of the slide part 4, and a groove 113 a for receiving the rib 40 is formed in the central wall 113. The rib 40 is accommodated in 113a and combined with the mounting base 1. In the example shown in the drawing, a long hole 117 is formed in a position of the plate-like main body 11 of the mounting base 1 located immediately above the slide part 4 in the slide movement direction of the slide part 4, and the upper part of the slide part 4. Is formed with a claw portion 41 that elastically enters the elongated hole 117 in association with the mounting base 1 so that the sliding movement of the slide part 4 is performed within the range of the elongated hole 117. It has become. (Figure 3)

  The front end 42 of the slide part 4 is located in front of the central lateral plate portion 116 of the mounting base 1 at a position before the slide part 4 is moved forward (position in FIG. 6), and is positioned on the installation part 24 of the stopper part 2. Yes. A raised portion 241 is formed on the upper portion of the erection portion 24 of the stopper part 2, and the front end 42 of the slide part 4 at the position before the forward movement is attached to the skirt 241 a of the raised portion 241 of the stopper part 2 at the lift position. It is supported by the biasing means 3. (FIG. 7) A front end 42 of the slide part 4 is provided with a roller portion 43 that is rotated around a rotation shaft 431 that is parallel to the horizontal axis 20, and the slide part 4 has a lower roller end of the roller portion 43. Is in contact with the upper part 26 of the stopper part 2. Thus, in this example, the sliding movement of the slide part 4 causes the stopper part 2 to come into contact with the roller part 43 with less contact resistance and smoothly rotate down and rotate.

  Further, in this embodiment, the operation end 50 of the lever body 5 in which the operation end 50 is positioned on the side of the mounting base 1 and the intermediate portion 51 is rotatably mounted on the mounting base 1 with the vertical shaft 52 is provided. Is attached to the slide part 4 so as to be rotatable. In the illustrated example, the lever body 5 is configured to have an L shape in which a portion from the intermediate portion 51 to the working end 53 is substantially orthogonal to a portion from the operation end 50 to the intermediate portion 51. The lever body 5 is attached with an intermediate portion 51 behind the other end portion of the one arm portion 23 of the stopper part 2 with the L-shaped bent outer side facing the forward movement destination F side of the slide part 4. The base 1 is rotatably assembled, and a linkage protrusion 531 formed on the working end 53 is inserted from below into a linkage elongated hole 44 formed in the rear end of the slide part 4 in the left-right direction. Thereby, in this example, the stopper part 2 is moved forward and backward by rotating the lever body 5 using the operation end 50 of the lever body 5 protruding to the side of the mounting base 1. It can be moved back.

  In the stopper device according to this embodiment, the slide part 4 is moved forward to push down the stopper part 2 against the urging force of the urging means 3 and turn the pressure contact part 22 to the floor M. Thus, the movable fixture W can be stably positioned at the use position. When the slide part 4 moved forward is moved back, the stopper part 2 is returned to the lift position by the biasing force, and the pressure contact of the pressure contact portion 22 against the floor surface M is forcibly released. Thereby, the movement using the caster Wb etc. of the fixture W is permitted.

  In this embodiment, the raised portion 241 formed on the upper portion of the erection portion 24 of the stopper part 2 includes the front side (the forward movement destination F side of the slide part 4) and the rear side (the backward movement destination of the slide part 4). (B side) are provided with inclined portions 241b and 241c having different inclination directions, and a portion where both are in contact with each other is defined as a ridge portion 241d. The front and rear inclined portions 241b and 241c intersect so as to form an obtuse angle downward at the ridge portion 241d. At the position before the forward movement of the slide part 4 (position in FIG. 7), the roller portion 43 of the slide part 4 is supported by the biasing means 3 on the tilted lower end (hem 241a) of the rear tilted portion 241c. The slide part 4 is positioned at the position before forward movement. While the movement locus of the roller lower end of the roller portion 43 of the slide part 4 is along a virtual horizontal straight line, the raised portion 241 of the stopper part 2 at the lift position is ridged above the movement locus. The part 241d is located. Accordingly, when the slide part 4 is moved forward from this state, the roller part 43 is pressed against the rear inclined part 241c, and the stopper part 2 is gradually pushed down and rotated. A groove 241e along the center line x of the stopper part 2 is formed on the ridge 241d side of the raised portion 241, and a rib provided at the lower portion of the plate-like main body 11 of the mounting base 1 at the lift position. 118 enters the groove 241e. (Fig. 7)

  When the slide part 4 has been moved forward, the roller part 43 gets over the ridge part 241d of the raised part 241 so that the lower end of the roller comes into contact with the inclined part 241b on the front side. (FIG. 5) In this example, when the stopper part 2 is pushed down and rotated by the forward movement of the slide part 4, the inclined part 241b on the front side has a forward downward inclination with the ridge part 241d as the upper end of the inclination. In other words, the upper part 26 of the stopper part 2 that is in contact with the roller part 43 at the position where the slide part 4 has been moved forward is an inclined part 241b that positions the inclined upper end on the backward movement destination B side of the slide part 4.

  Thus, in this example, in the state where the slide part 4 is fully moved forward and the stopper part 2 is fully pushed down and rotated, the roller part 43 is hooked to the inclined part of the raised part 241 so long as the slide part 4 is not moved backward. It is possible to prevent the part 4 from moving backward, and it is possible to stably maintain the state in which the stopper part 2 is fully rotated down.

  In this embodiment, the press part 22 is provided on each side of the stopper part 2 across the center line x orthogonal to the horizontal axis 20, and the slide part 4 is at least located at the center line x position. In the forward movement, the stopper part 2 is pushed from above with the roller portion 43. Thus, in this example, the two press contact portions 22 are pressed against the floor surface M with substantially equal force by the forward movement of the slide part 4 so that the movement of the movable furniture W can be surely prevented. .

Bottom view showing how the stopper device is used Bottom view Plan view Side view Cross section Bottom view Cross section Same side configuration diagram Same side configuration diagram Same side configuration diagram

Explanation of symbols

W Fixture Wa Bottom 1 Mounting base 2 Stopper part 20 Horizontal shaft 21 Free end 22 Pressure contact part 3 Energizing means 4 Slide part

Claims (4)

A mounting base to the bottom of the mobile fixture,
A stopper part that is rotatably mounted on this mounting base with a horizontal axis and has a pressure contact part to the floor on the free end side;
An urging means for constantly urging the stopper part to a lift position where the pressure contact part of the stopper part is not brought into contact with the floor surface;
It is combined with the mounting base so as to be slidable in a direction crossing the horizontal axis and has a slide part that pushes the stopper part from above by pushing it forward and pushes it down in a direction against the biasing force ,
The slide part has a roller part that presses against the upper part of the stopper part by forward movement,
The upper part of the stopper part, where the roller part is in contact with the position where the slide part has been moved forward, is configured as an inclined part that positions the inclined upper end on the backward movement destination side of the slide part. A stopper device for mobile fixtures.   2. The stopper device for a mobile fixture according to claim 1, wherein the press-contact portion of the stopper part is formed of an elastic deformable body having a circular shape.   There are pressure contact parts on both sides of the center line perpendicular to the horizontal axis of the stopper part, and the slide part is designed to push the stopper part from above at least at the center line position. The stopper device for a mobile fixture according to claim 1 or 2, characterized by the above.   The operating end of a lever body in which the operation end is positioned on the side of the mounting base and the intermediate portion is rotatably mounted on the mounting base is rotatably mounted on the slide part. The stopper device for a mobile fixture according to any one of claims 3 to 4.

Images