JPH0420261Y2 - - Google Patents

Description

[Detailed Description of the Invention] <<Industrial Application Field>> The present invention relates to a slide rail suitable for use in slidably attaching a drawer to, for example, a cabinet.

《Conventional technology》 Conventionally, this type of slide rail has a third
As shown in the figure, bent edges c, c', d, and d' are respectively formed at both ends in the width direction of the inner rail a and the outer rail b, both of which are formed into a substantially U-shaped cross section. It is known that a plurality of rotating bodies e..., e'... such as balls are rotatably held between the bent edges c, c', d, d' in series. There is.

<Problems to be solved by the invention> In the conventional slide rail described above, both the inner and outer rails a and b and the rotating body e...e'...
When slides are used as drawers, slips may occur between the inner rails a and outer rails b, and differences may occur in the distances from the rotation axes of the rotating bodies e and e' to the inner rails a and outer rails b. This caused a problem in that the sliding amounts of the inner rail a and the outer rail b did not match, resulting in poor movement of the drawer.

Slide rails have already been proposed that aim to solve the problems of the above-mentioned slide rails and to improve durability.

As shown in Fig. 4, this slide rail has a rotating body e...
...e'... are made to roll freely and are held in series, and between the inner and outer rails a and b, there is one or more pieces having a diameter larger than the rotating bodies e and e'. The intermediate rotary body f... is arranged so as to be able to roll freely.

According to this slide rail, due to the presence of the intermediate rotating body f, the inner rail is It is possible to correct phenomena such as discrepancies in the sliding amounts of rail a and outer rail b. For example, in the case of drawers, by matching the sliding amounts on each side, the drawer will not be tilted. , can slide smoothly in the left-right parallel state, and since the intermediate rotating body f has a diameter larger than that of the rotating bodies e and e' at both ends, the circumferential speed when sliding is slow, and the intermediate rotating body Since the rotating body f is less likely to wear out, it is effective, such as improving durability.
4, g and g' indicate slidable members.

However, in the two slide rails described above, when the drawer is to be attached to a cabinet or the like so that it can slide freely, the inner rail a is attached to the side plate of the drawer, and the outer rail b is attached to the slidable members g, g' such as the side plate of the cabinet. However, since both the inner and outer rails a and b are formed in a simple flat plate shape, the inner and outer rails a and b and the slidable members g and g' In particular, the rotating body e held between the inner and outer rails a and b
... e' ... and the vibrations of the intermediate rotating body f are directly propagated to the cabinet or drawer, and if the cabinet or drawer is made of steel, the vibrations resonate and the generated noise becomes loud.

The purpose of the present invention is to solve the problems of the above-mentioned prior art, reduce noise generation, improve the fit with the sliding member, and make the installation more robust. be.

<Means for Solving the Problems> In order to achieve the above object, the present invention rotates a rotating body between bent edges at both ends of an inner rail and an outer rail, each having a substantially U-shaped cross section. A slide rail that is movably held in series and that one or more intermediate rotating bodies having a diameter larger than the rotating body are sandwiched between the inner and outer rails so as to be freely rolling. It's hot,
It is an object of the present invention to provide a slide rail in which concave grooves are formed in the outer wall portions of the intermediate rotating body holding portions of both the inner and outer rails so that a gap is formed between the inner and outer rails and the slidable member during use. It is something.

<<Function>> For example, when attaching a drawer to a cabinet, etc., the slide rail can be fixed with screws, etc., by fixing the inner rail to the outside surface of the side panel of the drawer, the outer rail to the inside surface of the side panel of the cabinet, etc., or vice versa. , This allows the drawer to be slid freely.

Therefore, the inner rail and the outer rail,
In the outer wall portion of the portion between the drawer and each side plate of the cabinet and sandwiching the intermediate rotating body of both the inner and outer rails, a gap is formed by the above-mentioned concave groove and is elongated in the longitudinal direction of the slide rail. It will be formed.

As a result, due to the formation of the above-mentioned voids, the outer wall surfaces of the portions of both the inner and outer rails that sandwich the intermediate rotating body are held at appropriate intervals without coming into contact with the side plates of the drawer and the cabinet, and the intermediate rotating body is held at an appropriate distance. vibrations are not transmitted directly to the drawers and cabinets.

In addition, by having the above-mentioned concave groove, when installing both the inner and outer rails, it fits well against each side plate of the drawer and cabinet.
It is also less likely that the installation will become loose.

In addition, if the slide rail is fitted with packing such as rubber in each concave groove of both the inner and outer rails, and in this state, both the inner and outer rails are fixed to each side plate of the drawer and cabinet, Due to the presence of packing in the void, the packing absorbs the vibration noise of the rotating body,
The silencing effect is promoted.

<<Examples>> Examples of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, the inner rail 1 and the outer rail 2 each have a constant width and are long in the uniaxial direction, and each has bent edges for holding a rotating body at both ends in the width direction. Part 3, 3', 4,
4' is curved.

The widths of both rails 1 and 2 of the inner rail 1 are set in advance to a predetermined dimension so that the inner rail 1 can be installed inside the outer rail 2.

Further, the bent edges 3 and 4, 3' and 4' bent at both ends are spaced at appropriate intervals h, respectively, in the width direction of the rail, that is, in the vertical direction on the drawing paper.
They are placed facing each other and separated by h′.

Further, on each opposing surface of the bent edges 3 and 4, 3' and 4', there are grooves 5, 6, 5', 6' having circular arc surfaces having approximately the same curvature as the outer circumferential curvature of the rotating body, which will be described later. A plurality of rotating bodies 7, 7', etc., having the same diameter, such as balls and rollers, are arranged in parallel in the uniaxial direction (longitudinal direction), and in the double concave grooves 5 and 6, 5' and 6, they have the same diameter. ... are rotatably fitted in series at regular intervals, thereby causing the rotating bodies 7 ..., 7'
... are held between the bent edges 3 and 4, 3' and 4', respectively, and the inner rail 1 and the outer rail 2 are relatively slidable in a uniaxial direction.

In addition, the above inner rail 1 and outer rail 2
At the center in the transverse axis direction, on the inner surface side, there is a concave groove 8 for fitting an intermediate rotating body 10, which will be described in detail later.
9 is long in the uniaxial direction, and is recessed in parallel to the bent edges 3, 4, 3', and 4', facing each other.

The inner edges of the grooves 8 and 9 are connected to the intermediate rotating body 1.
The rotating bodies 7..., 7'... are formed in an arcuate shape having approximately the same curvature as the outer peripheral curvature of 0, and are provided with balls, rollers, etc., having the same diameter and in the double concave grooves 8, 9.
One or more intermediate rotating bodies 10 having a diameter larger than that are fitted so as to be able to roll freely, so that the intermediate rotating bodies 10 are sandwiched between the inner and outer rails 1 and 2, and In the illustrated example, a plurality of intermediate rotating bodies 1
0... are arranged in series at appropriate intervals.

Here, the illustrated example shows a case where only one row of the intermediate rotating bodies 10... is arranged in the middle of both the inner and outer rails 1, 2 in the width direction. Two or more rows may be arranged equally spaced apart.

Here, as a means for holding the rotating bodies 7...7'... and the intermediate rotating bodies 10... at constant intervals in the uniaxial direction, fitting holes 11a... are used as shown in the known illustrated example. Rotating bodies 7, 7' are provided at regular intervals.
A holding frame 11 that rotatably fits the intermediate rotary body 10 may also be used.
In addition, instead of the above-mentioned grooves 5, 5', 6, 6', 8, and 9, recesses (not shown) with spherical inner surfaces are provided at regular intervals to prevent the rotation bodies 7, 7' and the intermediate rotation. body 10
may be fitted and held so that they can roll freely.

In the present invention, in the slide rail configured as described above, the outer wall portions of the portions 1a and 2a that sandwich and hold the intermediate rotating body 10 of both the inner and outer rails 1 and 2, that is, the inner and outer rails. Concave grooves 12 and 13 are provided on the outer surfaces of the grooves 1 and 2 in the widthwise central portion thereof, respectively, and are long in the uniaxial direction and are recessed in symmetrical positions parallel to the grooves 8 and 9.

To install the drawer in a cabinet etc. so that it can slide freely using the above slide rail,
The inner rail 1 and the outer rail 2 may be fixed to the slidable members 16, 17, such as side plates, using screws (not shown) using the mounting holes 14..., 15... drilled in each. Accordingly, the intermediate rotating body 1 of both the inner and outer rails 1 and 2 is
between the locations 1a, 2a holding 0 and the slidable members 16, 17, that is, 1a and 16, 2b.
Gaps i and j are formed between and 17.

In addition, in the illustrated example, the grooves 8 and 9 are formed on the inner surface by deforming the middle portions of both the inner and outer rails 1 and 2 in the width direction into circular arc shapes by press working or the like. The concave grooves 12 and 13 are formed on the outer surface of the concave groove 1, respectively.
The bottom surfaces of 2 and 13 are curved into circular arc surfaces.

However, it is also possible to form concave grooves 12, 13 having a substantially U-shaped cross section by notching the outer surfaces of the intermediate portions of both the inner and outer rails 1, 2. Here, only one concave groove 12, 13 is provided corresponding to the intermediate rotating body 10, but when the intermediate rotating bodies 10 are arranged in two or more rows at equal intervals, each intermediate rotating body 1
The number of concave grooves 12 and 13 corresponding to 0 is provided.

Further, each of the concave grooves 12 and 13 may be filled with packing 18 made of rubber or the like.

Furthermore, on the outer wall surfaces of both the inner and outer rails 1, 2, concave grooves 19, 19', 20,20′,
The grooves 19, 19', 20, 20' may also be provided with packings 21, 21', 22, 22' made of rubber or the like, which are formed parallel to the grooves 12, 13.

In this way, the concave grooves 19, 19', 20, 2
0' and packing 21, 21', 22, 2
2', when fixing both the inner and outer rails 1, 2 to a drawer, cabinet, etc., they will fit together even better, and the vibration noise caused by the rotating bodies 7, 7' and the intermediate rotating body 10 will be reduced. The occurrence can be further reduced.

<<Effects of the invention>> Since the present invention is constructed as explained above, the existence of concave grooves 12 and 13 provided in the outer wall portions of the sandwiching portions of the intermediate rotary body 10 in both the inner and outer rails 1 and 2. As a result, gaps i and j are formed between the slidable members 16 and 17 and the portions 1a and 2a of the inner and outer rails 1 and 2 that sandwich the intermediate rotary body 10. Among the rotating bodies 7, 7' and the intermediate rotating body 10, the vibration noise generated by the sliding of the intermediate rotating body 10 directly affects the slidable members 16, 17.
As a result, a sound silencing effect can be achieved, and drawer sliding operations can be performed quietly.

Furthermore, by filling the concave grooves 12, 13 with packings 18, 19 such as rubber, the packings 18, 18 absorb the vibrations of the rotating bodies 7, 7', 10, thereby further promoting the sound deadening effect. Not only can the sound deadening effect be improved, but also the slidable members 16, 17
It is possible to improve the fit and make the installation and fixation state strong.

[Brief explanation of the drawing]

Fig. 1 is a plan view showing an embodiment of the slide rail according to the present invention, and Fig. 2 is a -
3 and 4 are enlarged cross-sectional views of a conventional slide rail. 1... Inner rail, 2... Outer rail, 1a, 2a... Holding part, 3, 3', 4, 4'...
...Bent edge, 7, 7'... Rotating body, 10... Intermediate rotating body, 12, 13... Concave groove, 16, 17...
Slide member, 18... Packing, i, j...
...void area.

Claims (1)

[Claims for Utility Model Registration] (1) A rotating body is held in series so as to be able to roll freely between the bent edges at both ends of the inner rail and outer rail, each of which has a substantially U-shaped cross section. In addition, in the slide rail in which one or more intermediate rotating bodies having a diameter larger than the rotating body are sandwiched between the inner and outer rails so as to be able to roll freely, both the inner and outer rails are provided. A slide rail in which concave grooves are formed in the outer wall portion of the intermediate rotating body holding portion so that a gap is formed between the slide rail and the slidable member during use. (2) The slide rail according to claim 1, wherein the concave grooves provided on the outer wall portions of both the inner and outer rails are provided with packing made of rubber or the like.