JPS6222206Y2 - - Google Patents

Description

[Detailed description of the invention] This invention stops when the drawer, equipment, etc. is pulled out to the maximum extent, prevents it from moving back carelessly, and furthermore, when the drawer, equipment, etc. needs to be removed. The purpose of the present invention is to provide a drawer rail that can be removed by a simple operation of pulling it forward.

The present invention will be explained below based on the drawings.

In Figure 1, A is the drawer rail of the present invention, 2
3 is a fixed side outer rail, 3 is a ball holding strip, 4 is a fixed side inner rail, 5 is a second drawer rail, 6 is a moving side outer rail, 7 is a ball holding strip, and 8 is a moving side inner rail.

The first rail 1 is composed of a fixed outer rail 2, a ball holding strip 3, a ball 33, and a fixed inner rail 4, and a second drawer rail 5 is fixed to the outer surface of the fixed inner rail 4.

The second drawer rail 5 also includes a moving side outer rail 6, a ball holding strip 7, a ball 73, and a moving side inner rail 8.

The fixed outer rail 2 and the movable outer rail 6 have substantially the same shape and length, and are formed by bending the upper and lower ends of a band-shaped metal plate into an inward arc shape or a V-shape.
Ball guide grooves 23, 23, 63,
Upper and lower bent pieces 22, 22, 62, 6 having 63
2, and the substrates 21 and 61 are formed into a substantially C-shaped cross section.

The front and rear ends of the base plate 21 of the fixed outer rail 2 are bent inward to form a stopper 24 for regulating the forward movement range of the ball holding strip 3 and a stopper 25 of the fixed inner rail 4.

Further, at a predetermined position approximately in the middle of the board 21, an intermediate stopper 26 is attached, which is made of a plate spring material and has a front end 261 bent toward the fixed inner rail 4 and shaped into a chevron in the opposite direction.

27... are mounting holes for attaching the fixed side outer rail 2 to the furniture body or the like.

28 is a relief hole in the front end portion 261 of the intermediate stopper 26.

Reference numeral 29 denotes a stopper that restricts the range of backward movement of the ball holding strip 3 that projects inward.

Reference numeral 291 denotes a fixed holding strip plate having balls 33 on the upper and lower sides, and is fixed to the rear inner surface of the outer rail 2.

On the other hand, the rear end of the base plate 61 of the moving side outer rail 6 is bent inward to form a stopper 64 of the moving side inner rail 8, and a protrusion is provided on the inner surface of the front end to form an inner rail front stopper 65. .

Then, slightly in front of the stopper 64, the board 61
An intermediate stopper release member 66 is attached to the inner surface of the intermediate stopper release member 66, which is made by bending a plate spring material in a backward shape and having an end projecting from the rear end of the fixed side inner rail 4 outside the board 61. There is.

Reference numerals 67 and 68 denote front and rear end stoppers of the ball holding strip 7 from which the base plate 61 protrudes from the inner surface.

69 is a guide strip for insertion of the moving side inner rail 8 having upper and lower balls 73;
It is fixed to the front inner surface of the

The fixed inner rail 4 and the movable inner rail 8 are band-shaped metal plates of a size that can be inserted into the outer rails 2 and 6, and are formed with upper and lower ends curved outward in an arc shape or a V shape. Upper and lower bent pieces 4 having ball guide grooves 43, 43, 83, 83 in the longitudinal direction of the outer surface
2, 42, 82, 82, and are formed into a substantially C-shaped cross section from the substrates 41, 81.

The rear end of the stationary inner rail 4 is bent inward to form an inner rail rear end stopper 44, and the rear end of the movable inner rail 8 is bent inward to form a release member operation protrusion 84.

Further, in the middle part of the inner surface of the board 81, a drawer rail front end stopper 87 is formed by bending a plate spring material in a backward shape toward the front, and has a stopper hole 85 at the front end, and a drawer rail front end stopper 87 connected to the front end of the stopper hole 85.
is attached.

88 is a mounting hole for a drawer, etc., and 89 is a relief hole for the operating portion 86 of the front end stopper 87 of the drawer rail.

The fixed inner rail 4 is approximately half the length of the fixed outer rail 2, and the movable inner rail 8 is approximately the same length as the movable outer rail 6.

The ball holding strip plates 3, 7 and strip metal plates are large enough to be inserted between the above-mentioned both outer rails 2, 6 and both inner rails 4, 8, and the lengths of both outer rails 2, 6 are It is shorter than the board 31, 71 and the upper and lower bent pieces 3
2, 32, 72, 72, and the substrate 31, 71
The central portion is bent into a U-shape to protrude inwardly, and balls 33..., 73... are placed at several locations in the longitudinal direction of both the upper and lower bent pieces 32, 32, 72, 72, respectively.
It is rotatably held in a state in which it protrudes both upward and downward.

In the drawings, the upper and lower bent pieces 32, 32, 72, 72 of the ball holding strips 3, 7 have a shape in which they are continuous in the front and rear.In order to reduce the weight, the balls 33...
. . , 73 . . . may be cut off except for the portions that hold them.

The present invention has the above-mentioned configuration, and when the rear ends of the rails 2, 4, 6, and 8 are aligned, that is, when the drawer rail A is at its shortest length, the movable side is attached to the outer surface of the fixed inner rail 3. The outer rail 6 is fixed,
The ball holding strip 3 is located at an intermediate position of the fixed outer rail 2, the ball holding strip 7 is located at the rear end of the movable outer rail, and the release member operation protrusion is provided at the rear end of the movable inner rail 8. The inner surface of the inner rail 84 presses the outer surface of the intermediate stopper release member 66 of the moving outer rail 6, and the end protrudes largely outward of the moving outer rail 6, and the inner rail rear end stopper 44 of the fixed inner rail 4 presses the outer surface of the intermediate stopper release member 66 of the moving outer rail 6. It is located at the rear.

Further, the top surface of the extraction operation portion 86 of the front end stopper 87 of the drawer rail is connected to the base plate 7 of the ball holding strip plate 7.
It is in contact with the outer surface of 1.

Then, the intermediate stopper 2 of the fixed side outer rail 2
The top surface of 6 is in contact with the inner surface of the base plate 31 of the ball holding strip 3.

When the drawer etc. attached to the movable inner rail 8 is pulled out, the second drawer rail 5 is first pulled out from the fixed inner rail 4 while maintaining the above state.
moves forward, and along with this, the ball holding strip 3 moves forward by half the moving distance of the fixed inner rail 4, and eventually the front end of the ball holding strip 3 touches the inner surface of the stopper 24. come into contact with

At the same time, the inner surface of the inner rail rear end stopper 44 of the fixed inner rail 4 comes into contact with the rear end of the ball holding strip 3, and the movement of the fixed inner rail 4 is stopped.

In this state, the inner surface of the release member operating protrusion 84 of the moving inner rail 8 is pressing against the outer surface of the intermediate stopper releasing member 66 of the moving outer rail 6.
The end of the intermediate stopper release member 66 largely protrudes outward from the movable outer rail 6, and is attached to the fixed outer rail 2.
The top surface of the intermediate stopper 26 is pressed, and the fixed side inner rail 4 can freely move backward.

When the drawer or the like is further pulled out from the above state, the movable inner rail 8 moves forward, and the release member operating protrusion 84
Since the intermediate stopper release member 66 also moves forward, the intermediate stopper release member 66 rises toward the movable inner rail 8 side due to its elasticity, and subsequently the intermediate stopper 26 also rises toward the fixed inner rail 4 side.

This allows the front end 26 of the intermediate stopper 26 to
1 is located on the rear surface of the inner rail rear end stopper 44 of the fixed inner rail 4, and prevents the inner rail 4 from retreating.

As the drawer continues to be pulled further, the ball holding strip 7 and the moving inner rail 8 move forward, as described above.
Eventually, the top surface of the extraction operation part 86 provided on the drawer rail front end stopper 87 of the moving side inner rail 8 moves forward while contacting the inner rail front stopper 65, and eventually the inner rail front stopper 65 moves forward.
Due to the elasticity of the drawer rail front end stopper 87, the drawer rail is located within the stopper hole 85, and the forward movement of the moving side inner rail 8 is stopped.

In this state, the extraction operation portion 86 of the front end stopper 87 of the drawer rail protrudes forward and outward of the moving side outer rail 6.

This prevents the drawer from moving forward and backward, and maintains the drawer and the like protruding from the furniture body. (The state shown in Fig. 4.) Furthermore, when pulling out a drawer, equipment, etc. from the furniture body for moving or repair, first push the extraction operation part 86 of the drawer rail front end stopper 87 toward the moving side inner rail 8 side. , while maintaining the state in which the stopper hole 85 and the inner rail front stopper 65 are disengaged, the drawer and the like are pulled out forward along with the inner rail 8.

Conversely, when storing a drawer, etc., operate the drawer rail front end stopper 87 in the same manner as described above, and as the drawer, etc. is stored, the intermediate stopper 26 of the fixed side outer rail 2 will close to the fixed side inner rail 4. Since the inner rail rear end stopper 44 is located at the rear of the inner rail rear end stopper 44, the fixed inner rail 4 does not move, and the movable inner rail 8 moves backward first, and then the release member operation protrusion 84 of the movable inner rail 8 moves backward. presses the outer surface of the intermediate stopper release member 66 of the moving side outer rail 6.

Then, the end of the intermediate stopper release member 66 largely protrudes outward from the movable outer rail 6 and presses the top surface of the intermediate stopper 26 of the fixed outer rail 2. The fixed inner rail 4 moves backward together with the second drawer rail 5, and eventually the inner rail rear end stopper 44 of the fixed inner rail 4 moves to the stopper 25 of the fixed outer rail 2. The release member operation protrusion 84 of the inner side rail 8 comes into contact with the stopper 64 of the movable outer rail 6, and each member also moves to its original position, so that the drawer etc. are completely stored.

In this embodiment, the drawer rail front end stopper 87
A drawer or the like is stored by operating the extraction operation part 86 toward the movable inner rail 8. However, an inclined surface is provided in front of the stopper hole 85, and the end of the inclined surface is connected to the inner rail front stopper. The drawer stopper 87 may be made to face the outside of the drawer 65 and the drawer etc. may be pushed in strongly, and the drawer stopper 87 will elastically deform by itself, causing the drawer etc. to move rearward.

As described above, the present invention allows the use of drawers, etc., and inspection of equipment to be easily performed without accidentally retracting when the drawers, etc. are pulled out to the maximum extent, and moreover, it is possible to repair the equipment, etc. When doing so, the inner rail can be easily removed by simply pulling it forward, so there is no need for any special mounting means between the drawer or equipment and the moving inner rail, making it a practical solution that can be manufactured at low cost. This is a useful idea.

[Brief explanation of the drawing]

The figures show an embodiment of the present invention; Fig. 1 is an exploded perspective view of the main parts of the invention, Fig. 2 is a vertical cross-sectional view of the main parts, Fig. 3 is a schematic plan view of the pulled out state, and Fig. 4 is a drawn out state. FIG. 5 is a cross-sectional view of the main part in a state where the moving side inner rail is stored. A... Drawer rail, 1... First drawer rail, 2
... Fixed side outer rail, 26 ... Intermediate stopper,
3...Ball holding strip, 4...Fixed side inner rail,
44... Inner rail rear end stopper, 5... Second drawer rail, 6... Moving side outer rail, 65... Inner rail front stopper, 66... Intermediate stopper release member, 7... Ball holding strip, 8 ...Inner rail on moving side, 84...Release member operating projection, 87...Drawer rail front end stopper, 22, 42, 62, 8
2... Upper and lower bending edges, 33, 73... Ball.

Claims (1)

[Scope of utility model registration request] A ball is rotatably held between a fixed outer rail with a C-shaped cross section, an inner fixed rail with a C-shaped cross section that is slidable on the fixed outer rail, and the upper and lower bent edges of both rails. A drawer, etc., constructed by fixing the movable outer rail of a second drawer rail, which has a cross-sectional shape substantially the same as that of the first drawer rail, to the outer surface of the fixed inner rail of the first drawer rail, which is made of a ball holding strip plate. In the rail, an intermediate stopper that elastically contacts the rear surface of the rear end stopper of the inner rail when the fixed inner rail protrudes is placed on the inner surface of the intermediate portion of the fixed outer rail, and an intermediate stopper is attached to the rear inner surface of the movable outer rail of the second drawer rail. an intermediate stopper release member that elastically deforms the intermediate stopper; a release member operating protrusion that elastically deforms the intermediate stopper release member on the rear of the inner rail on the moving side; and an inner surface of the intermediate portion of the inner rail on the moving side; A stopper device for a rail such as a drawer, characterized in that each drawer rail has a front end stopper that elastically engages with the inner rail front stopper provided in front of the drawer rail.