JPH0622271Y2 - Slide devices such as drawers - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION << Industrial Application Field >> The present invention relates to a slide device such as a drawer.

<< Conventional Technology and Problems >> Conventionally, a ball is rotatable between an inner member having a substantially C-shaped cross section, an outer member having a substantially C-shaped cross section which is slidable with the inner member, and a bent edge of both members. When using the slide rail with the inner member and outer member substrates in a horizontal position in a slide rail that consists of a ball retainer that is held by the outer rail, when the slide rail reaches the maximum extension state, the drawer loaded on the outer member, etc. The load of will be supported by the bent edge of both members via the ball, and the bent edge of the outer member will be deformed due to long-term use.
There is a drawback that backlash occurs in the vertical direction and a smooth sliding state cannot be obtained.

The present invention has a simple structure, and when the substrates of both members are used in a horizontal posture, the load of the bending edge is supported by supporting the load of the drawer etc. loaded on the outer member by the substrates of both members. The purpose is to prevent the deformation of the bent edge and to obtain a smooth sliding state of the slide rail for many years. Its structure is an inner member with a substantially C-shaped cross section, and it is slidable with the inner member. The outer member has a substantially C-shaped cross section, and a ball retainer that rotatably holds the ball between the bent edges of both members. A roller holding member is detachably attached to the front end of the inner member. The roller is rotatably held by a holding member, and the roller peripheral end face is brought into contact with the back surface of the substrate of the outer member.

Embodiments will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 indicates an inner member, reference numeral 2 indicates an outer member, reference numeral 3 indicates a ball retainer, reference numerals 4 and 4 indicate mounting fittings, reference numeral 5 indicates a roller holding member, and reference numeral 6 Indicates a roller, and reference numeral 7 indicates a stopper member.

The inner member 1 is formed by bending the left and right ends of a strip-shaped metal plate in an outward arc shape or in an outward V shape, and has left and right bent edges 12, 12 having ball guide grooves 11, 11 in the outer surface longitudinal direction and a substrate. It is formed in a substantially C-shape with its cross section facing upward from 13.

Further, a retainer rear end stopper 14 protruding upward is formed at the rear end of the substrate 13, and a roller holding member mounting portion 8 is formed at the front end of the substrate 13.

The roller holding member attachment portion 8 is fitted with the roller escape hole 81 formed at the center of the front end of the substrate 13 and the roller holding member 8 formed on the left and right end sides of the substrate 13 at the rear end position of the roller escape hole 81. Fitting holes 82, 82 and fitting holes 82,
At a position slightly ahead of 82, it is formed by fitting notches 83, 83 of the roller holding member 8 formed on the left and right bent edges 12, 12.

The outer member 2 is made of a strip-shaped metal plate and is slightly longer than the inner member 1.
Left and right bent edges 22 and 2 having ball guide grooves 21 and 21 in the longitudinal direction of the inner surface formed by bending the left and right ends into an inward arcuate shape or inward V-shape with a size that can be inserted into the outside.
2 and the substrate 23 is formed in a substantially C-shape upward in cross section.

The rear end stoppers 24, 24 are formed by projecting the rear end portions of the left and right bent edges 22, 22 inward, and the substrate 23
By projecting the rear end upward and forward, a projection 25 for connecting with a drawer or the like is formed, and by slightly projecting the central part of the substrate 23 inward, a retainer front end stopper 26 is formed, and the central part of the front end of the substrate 23 is formed. The mounting projection wall 27 of the stopper member 7 is formed by projecting the portion downward.

The ball retainer 3 is made of a strip-shaped metal plate and has a length of about a third of the inner member 1 and is formed by bending an upward U-shaped substrate 31 and the left and right end portions of the substrate 31 into a downward U-shaped. The left and right bent pieces 32, 32 are provided with rotatably held balls 33 ... At several positions in the longitudinal direction of the left and right bent pieces 32, 32.

The mounting bracket 4 includes a connection bottom wall 41 fixed to the back surface of the substrate 13 of the inner member 1 and a mounting side wall 42 that is connected to the connection bottom wall 41 and protrudes upward to be connected to the body of furniture or the like. Mounting holes 43 ... Are formed in 42.

The roller holding member 5 is made of a synthetic resin material, has substantially the same thickness as the inner member 1, and has right and left bent edges 12, 12.
A roller protrusion 52 protruding in a mountain shape is formed on the outer member 2 side in the center of the upper surface of the base 51 having a width matching the width, and the rotating wheel of the roller 6 is fitted in the center of the roller attachment protrusion 52. A fitting hole 53 and a fitting concave portion 54, which extends from the roller mounting convex portion 52 to the upper surface of the base 51, and into which the rotation shaft 62 of the roller 6 is fitted, are continuously provided at a central portion of the fitting hole 53 in the front-rear direction.

Fitting protrusions 55, 55 corresponding to the fitting cutouts 83, 83 of the inner member 1 are formed at the center left and right ends of the upper surface of the base 51, and the fitting protrusions 55, 55 are formed at the left and right rear ends of the lower surface of the base 51. Fitting legs 56, 56 are formed so as to project downward corresponding to the fitting holes 82, 82 of the inner member 1.

The rotating wheel 61 of the roller 6 is formed in such a size that the peripheral end surface thereof contacts the inner surface of the substrate 23 of the outer member 2 in a state of being attached to the roller holding member 5.

The stopper member 7 is made of an elastic material such as a synthetic resin material or a rubber material, and has a mounting fitting hole 71 that is fitted on the mounting projection wall 27 of the outer member 2 and a rear end surface of the roller holding member 5. It has an elastic deformation hole 72 formed to soften the impact when it contacts.

The present invention is formed as described above, and the roller holding member 5
The fitting legs 56, 56 are fitted into the fitting holes 82, 82, and the fitting projections 55, 55 are fitted in the fitting notches 83, 83 from above the inner member 1 to form the left and right bent edges 12, 12. The roller 6 is mounted between the front ends of the rollers 6, and the rotary shaft 62 of the roller 6 is further fitted into the fitting recess 54 so that the roller 6 is rotatably held by the roller holding member 5.

Further, when the stopper member 7 is also attached to the mounting projection wall 27 of the outer member 2 and the outer member 2 is pulled out forward in the above state, the ball retainer 3 moves to the front half of the moving distance of the outer member 2. Move to
The rear end stopper 2 formed at the rear end of the outer member 2 after the front end contacts the rear end of the roller mounting member 5.
The balls 4 and 24 contact the ball 33 at the rear end held by the ball retainer 3, and the forward movement of the outer member 2 is stopped.

In this state, the outer peripheral surface of the roller 6 is the outer member 2
Since the outer member 2 is in contact with the back surface of the base member 23, the load applied to the outer member 2 is applied to the base member 13 of the inner member 1 and the outer member 2 via the roller 6 and the roller holding member 5, and the ball 33. .. Since it is supported by both of the bent edges 12, 12, 22, 22 of the inner member 1 and the outer member 2 via., The load on both bent edges 12, 12, 22, 22 is reduced. , Its deformation can be prevented.

Further, as the outer member 2 is stored, the ball retainer 3 also moves rearward at the same time, and eventually the rear end of the ball retainer 3 comes into contact with the retainer rear end stopper 14 of the inner member 1 and at the same time, the retainer front end of the outer member 2 is moved. The stopper 26 contacts the front end of the ball retainer 3, and the rear end of the stopper member 7 attached to the outer member 2 contacts the front end of the roller holding member 5 to stop the movement of the outer member 2.

Then, in this state, the load applied to the outer member 2 is supported at a wide range of positions in the front and rear positions of the substrates 13 and 23 of both members 1 and 2 and the bent edges 12, 12, 22, and 22 as described above. This means that both bent edges 12, 12, 2
The deformation of 2 and 22 can be prevented.

In the embodiment, the roller holding member mounting portion 8 is formed of the fitting holes 82, 82, the fitting cutouts 83, 83, etc.
On the other hand, the roller holding member 5 is fitted with the fitting projections 55, 5
5, the fitting legs 56, 56 are formed, but the mounting method can be changed as appropriate and may be any structure that is detachable.

<Effect> The present invention has a structure in which a roller holding member is detachably provided at the front end portion of the inner member, the roller is rotatably held by the roller holding member, and the roller peripheral end surface is brought into contact with the substrate back surface of the outer member. Therefore, even if the boards of both members are used in a horizontal position, the load of the drawer etc. loaded on the outer member can be supported by the board parts of both members, and the load on the bent edge can be reduced. , It is possible to prevent the bent edge from deforming and obtain a smooth sliding state for many years.

[Brief description of drawings]

FIG. 1 shows one embodiment of the present invention, FIG. 1 is an exploded perspective view of an essential part of the present invention, FIG. 2 is an exploded perspective view of an essential part showing a mounting state of a roller mounting member, and FIG. FIG. 4 is a longitudinal sectional view of an essential part in an extended state, and FIG. 4 is a longitudinal sectional view of an essential part in a maximally shortened state. 1 …… Inner member 2 …… Outer member 3 …… Ball retainer 33 ………… Ball 5 …… Roller holding member 6 …… Roller

Claims (1)

[Scope of utility model registration request] 1. An inner member having a substantially C-shaped cross section, an outer member having a substantially C-shaped cross section that is slidable with the inner member, and a ball that rotatably holds the ball between the bent edges of the two members. It is composed of a retainer, and a roller holding member is detachably provided at the front end of the inner member, the roller is rotatably held by the roller holding member, and the roller peripheral end surface is brought into contact with the back surface of the outer member substrate. A slide device such as a drawer.