JP2002360361A - Parts connecting device for slide rail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a parts connecting device for a slide rail having the simple structure and facilitated in the connecting work and to be manufactured at a low cost without using a tool. SOLUTION: This parts connecting device has a synthetic resin connecting base part formed in a board of an outer member and formed with a fitting hole, in which a stopper is to be fitted when housing, and a synthetic resin elastic tilting blade piece projected from a board side end of the outer member toward an end of an upper and a lower lock edges in an upper and a lower bent edge side end of the outer member of the connecting base part and to be locked with the upper and lower lock edges in the condition that is connected to the outer member and integrally formed with a clearance for elastic deformation between the connecting base parts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a storage holding part connected to an outer member for holding a slide rail in a stored state, and an outer member (or inner member) pulled out when a slide rail is pulled out. ) To connect parts such as the outer cover (or inner cover) connected to the tip of the outer member (or inner member) to prevent the front end of the outer member (or inner member) from hitting and damaging the inner surface of the door or the like. , And a part connecting device for a slide rail.

[0002]

2. Description of the Related Art Conventionally, the above-mentioned connecting device has a cushioning member formed by screwing a synthetic resin part to a tip portion of an inner member (Japanese Utility Model Publication No. 6-10840), or FIG.
As shown in FIG. 7, the upper and lower fitting legs 3 are fitted to the inner surfaces of the upper and lower ends of a cover body 3a that covers the front end surface of the outer member 1a.
b, the outer cover 30a provided with the outer member 1a until the back surface of the cover body 3a abuts on the storage stopper 1e formed at the end of the outer member 1a.
Board 1b, upper and lower bent edges 1c, 1c, upper and lower locking edges 1d,
The upper and lower fitting legs 3b, 3b were fitted into the inner surface side of 1d, and the parts were connected to the slide rail.

[0003] However, in the former case, although the parts can be securely mounted, there are problems such as the necessity of a tool at the time of connection, the trouble of screwing, and the use of screws etc. leading to an increase in cost. In this case, there was a problem in the connection strength (there was a possibility of falling off).

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has a simple structure, can be easily connected, requires no tools, and can be manufactured at a low cost. It is an object to provide a device.

[0005]

In order to solve the above-mentioned problems, the first means of the present invention is configured such that a fitting hole into which a stopper at the time of storage formed in the substrate of the outer member is fitted. The connecting base made of synthetic resin and the upper and lower bent edges of the outer member of the connecting base protrude from the board side end of the outer member toward the upper and lower locking edges, and are vertically connected to the outer member. An elastic inclined blade piece made of synthetic resin integrally formed with a gap for elastic transition between the connecting base portions, which is locked to the locking edge, is provided.

Next, the present invention is configured as a second means, in which the end surface of the elastic inclined blade piece on the upper and lower locking edge side is inclined toward the substrate side of the outer member in the vertical bending edge direction. It is formed on the surface.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is used as an outer cover will be described below with reference to FIGS. Symbol 100
Indicates a slide rail, and a slide rail 100 is an outer member 1 and an outer member 1 in the embodiment.
The inner member 3 is slidably held by the inner member 3.

That is, the outer member 1 is
0, upper and lower bent edges 11, 11 and upper and lower locking edges 111, 1
11 is formed into a channel shape, and the outer member 1
, Which is rotatably held by a synthetic resin retainer 12...
The inner member 3 is slidably held through a plurality of balls 13... Located between the inner surfaces of the inner members 1 and 11 and the outer surface of the inner member 3.

When the outer member 1 is used as a movable member, the outer member 1 comes into contact with the front end of the inner member 3 and stops when the outer member 1 is retracted. A stopper 15 for covering the front end of the outer member 1 is attached to the stopper 15 during storage, and a movable range of the retainer 12 in the sliding direction is provided at a predetermined position on the substrate 10. A stopper (not shown) after the restricting retainer is formed.

The inner member 3 is formed to have substantially the same length as the outer member 1 and has a size slidable through balls 13... Held by a ball retainer 12.
Upper and lower bent edges 31, 31 having sliding surfaces 33, 33 of balls 13 in the longitudinal direction of the outer surface formed by bending both short end portions of a metal strip in an outwardly arcuate shape and the substrate 30 It is formed in a substantially C-shaped cross section. An outer member stopper 36 is formed at the front end of the substrate 30 so that the stopper 15 for storing the outer member 1 abuts via the cover part 5, and a ball retainer is formed at the front end of the vertically bent edges 31, 31. Pre-retainer stoppers 37, 37 for restricting the range of movement of the sliding member 12 in the sliding direction are formed corresponding to the post-retainer stoppers (not shown).

The cover part 5 (FIGS. 1 to 3) has a connecting base 51 connected to the front end of the outer member 1.
And the elastic inclined blade pieces 52, 52 and the cover body 53 are integrally formed of a synthetic resin material.

That is, the connecting base 51 has a fitting hole 511 into which the stopper 15 is fitted when the outer member 1 is stored.
And the insertion hole 511 is provided in the substrate 10 of the outer member 1.
A guide inclined hole 512 (FIG. 3) is provided at the side end to facilitate installation. The elastic inclined blade pieces 52, 52 extend from the upper and lower bent edges 11, 11 of the outer member 1 of the connection base 51 to the end of the upper and lower locking edges 111, 111 from the end of the outer member 1 on the substrate 10 side. The upper and lower locking edges 111, 11 are connected to the outer member 1 (in a state in which the stopper 15 is inserted into the insertion hole 511 when stored).
1 and a gap 50 for elastic transition between the connecting bases 51, 5
0, and is formed integrally with the connection base 71, and the end faces of the elastic inclined blade pieces 52, 52 on the upper and lower locking edges 111, 111 side are vertically bent edges 11, 11 directions. The locking inclined surfaces 520 and 520 which are inclined to the 10 side are formed.

Next, an embodiment in which the slide rail (inner member) is used as a storage holding part connected to the outer member 1 to hold the storage state of the inner member will be described with reference to FIGS. Reference numeral 100 denotes a slide rail. In the embodiment, the slide rail 100 is rotatably held by an outer member 1, an intermediate member 2 slidably held by the outer member 1, and a ball retainer 4 by the intermediate member 2. Are formed slidably via a plurality of balls 44.

That is, the outer member 1 is
0, upper and lower bent edges 11, 11 and upper and lower locking edges 111, 1
11 is formed into a channel shape, and the outer member 1
, Which is rotatably held by a synthetic resin retainer 12...
The intermediate member 2 is slidably held via a plurality of balls 13... Located between the inner surfaces of the members 1 and 11 and the outer surface of the intermediate member member 2.

When the outer member 1 is used as a fixed member, the rear end of the stored intermediate member 2 abuts and stops at the rear end of the substrate 10 of the outer member 1. The storage stopper 15 is provided with a storage holding part 7 for holding the rear end of the inner member 3. The predetermined range of the substrate 10 restricts the range of movement of the retainer 12 in the sliding direction. A stopper (not shown) before the retainer is formed.

The intermediate member 2 has substantially the same length as the outer member 1 and is formed in a substantially channel shape in the same direction as the outer member 1 from the substrate 20 and the vertically bent edges 21, 21.
On the outer surfaces of the upper and lower bent edges 21, 21, there are outer side ball sliding grooves on which the balls 13 roll over in the sliding direction, and the inner surfaces of the upper and lower bent edges 21, 21 slide. Have ball sliding grooves in which the balls 44... A rear end stopper 24 of the intermediate member corresponding to the stopper 15 during storage is provided at the rear end of the substrate 20.
Are formed at the rear end portions of the upper and lower bent edges 21, 21 at the time of the maximum withdrawal of the intermediate member 2, the front end portion of which is the stopper in front of the retainer of the outer member 1 (the rear end of the retainer 12 abutted, not shown) , And the stoppers 25, 25 after the retainer that regulate the maximum withdrawal amount of the intermediate member 2.
Is formed, and a ball retainer rear end stopper (not shown) is formed at a predetermined position at the rear end of the substrate 20 so that the rear end of the ball retainer 4 abuts when the inner member 3 is in the maximum storage state. ing.

The inner member 3 is formed to have substantially the same length as the outer member 1 and is slidable through balls 44... Held by a ball retainer 4. The sliding surface 3 of the ball 44 in the longitudinal direction of the outer surface formed by bending both ends of the hand into an outwardly arcuate shape.
The upper and lower bent edges 31, 31 having 3, 33 and the substrate 30 are formed in a substantially C-shaped cross section. A rear end stopper 301 is formed at the rear end of the substrate 30 at the rear end of the substrate 30, and a stopper (not shown) corresponding to the rear end stopper 301 at a predetermined position of the substrate 20 on the intermediate member 2. )
Are formed.

The ball retainer 4 is made of a strip-shaped metal plate and has a length of about half the length of the intermediate member 2. A U-shaped substrate 40 having a size insertable between the intermediate member 2 and the substrates 20 and 30 of the inner member 3 is provided. It protrudes in an L-shape from both ends of the U-shaped substrate 40 and is formed in a substantially U-shaped cross section from upper and lower protruding edges 41, 41 located between the upper and lower bent edges 21, 21, 31, 31 of the intermediate member 2 and the inner member 3. And
In the sliding direction of the upper and lower projecting edges 41, 41, a plurality of balls 44
... are rotatably held. Then, when the inner member 3 has reached the maximum withdrawal position, the front end portion contacts the stopper (not shown), and the rear end stopper 301 of the inner member 3 contacts the rear end portion.

The storage holding part 7 (FIGS. 4 and 5) includes a connecting base 71 connected to the rear end of the outer member 1.
, The elastic inclined blade pieces 72, 72 and the engaging leg portions 8, 8 are integrally formed of a synthetic resin material. The connection base 71 is
At the center, a fitting hole 711 into which the stopper 15 is fitted when the outer member 1 is housed is provided, and the fitting hole 711 is provided at the end of the outer member 1 on the substrate 10 side for facilitating attachment at the guide inclined hole 712 (FIG. 4). have.

The elastic inclined blade pieces 72, 72 are connected to a connecting base 71.
At the upper and lower bent edges 11 and 11 of the outer member 1 project from the end of the outer member 1 on the substrate 10 side toward the ends of the upper and lower locking edges 111 and 111 and are connected to the outer member 1 ( The storage stopper 15 is fitted in the fitting hole 711) and the upper and lower locking edges 111, 111 are engaged with the upper and lower engaging edges 111, 111, and the elastic transition gaps 70, 70 are provided between the connecting bases 71 to be integrally formed with the connecting base 71. The end faces of the elastic inclined wing pieces 72, 72 on the upper and lower locking edges 111, 111 side are directed to the upper and lower bent edges 11, 11 in the direction of the substrate 1 of the outer member 1.
The locking slopes 720, 720 are inclined to the zero side.

The engagement legs 8, 8 are symmetrically formed so as to face up and down, so only one side will be described.

When the intermediate member 2 and the inner member 3 are stored, the engaging leg 8 is fitted between the bent edges 21 and 31, and the elastic leg protrudes forward of the fitted leg 83. 81 and the engagement recess 9 formed at the rear end of the sliding surface 33 of the inner member 3 in a state where the inner member 3 is housed in the outer member 1 and located at the front end of the elastic leg 81. The engaging projections 82 are formed. The engagement projection 82 has a pull-in inclined surface 821 on the connection base 71 side, and a transition guide inclined surface 822 on the front end side with which the rear end corner of the bent edge 31 contacts when the inner member 3 is stored. I have. The engagement concave portion 9 has a rear inclined surface 91 formed on the rear end side corresponding to the retracted inclined surface 821 of the engagement protrusion 82.

When the inner member 3 is housed, the rear end portion of the sliding surface 33 of the ball 44 of the inner member 3 is inclined by the displacement guide inclination of the engagement projection 82. The surface 822 contacts the elastic leg 8
The engaging projection 9 slides in the storage direction while displacing the engaging projection 82 against the elasticity of the engaging concave part 9, and the rear inclined surface 91 of the engaging recess 9 comes into contact with the retracted inclined surface 821 of the engaging projection 82. The inner member 3 is retracted in the storage direction by the elasticity of the elastic members 821 and the elastic legs 81, and the stored state is maintained.

Since the present invention is formed as described above,
When the insertion hole of the connecting base is inserted into the stopper at the time of storage, the elastic inclined wing piece moves between the upper and lower locking edges while being elastically shifted into the elastic shifting gap against the elasticity, and then When the end face of the elastic inclined blade piece passes through the upper and lower locking edges, the elastic inclined blade piece is elastically restored and the end face is locked to the upper and lower locking edges. At this time, since the end face of the elastic inclined wing piece is formed on the locking inclined face, even if the position of the upper and lower locking edges is slightly shifted, the elastic inclined wing piece is securely connected to the upper and lower locking edges. To lock.

[0025]

According to the first aspect of the present invention, a fitting hole is provided in the connecting base, the fitting hole is fitted in the stopper when the outer member is stored, and the elastic inclined wing piece formed in the connecting base is The outer member protrudes from the board side end toward the end of the upper / lower locking edge, and the end is locked to the upper / lower locking edge of the outer member. Is reliably prevented from moving in the falling direction. In addition, since the connecting base and the elastic inclined wing piece are integrally formed of a synthetic resin material, the fitting hole can be attached by fitting the stopper into the stopper at the time of storage, and no tools or the like are required for the attaching work, Work is very easy.

According to the second aspect of the present invention, the end surfaces of the elastic inclined wing pieces on the upper and lower locking edge sides are formed on the locking inclined surface inclined in the vertical bending edge direction toward the substrate side of the outer member. As a result, a part of the locking inclined surface is securely locked to the upper and lower locking edges by the elasticity of the elastic inclined blade pieces, and it is possible to reliably cope with a change in the thickness direction of the outer member due to a manufacturing error.

[Brief description of the drawings]

FIG. 1 is a perspective view of a slide rail provided with the present invention.

FIG. 2 is a front view of a main part of the first embodiment.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a sectional view of a main part of a second embodiment.

FIG. 5 is a sectional view taken along line BB of FIG. 4;

FIG. 6 is a perspective view of a conventional example.

FIG. 7 is a sectional view of a main part of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer member 10 Substrate 11 Bending edge 15 Storage stopper 111 Locking edge 100 Slide rail 2 Intermediate member 3 Inner member 30 Board 5 Cover part 50 Elastic transition gap 51 Connection base 52 Elastic inclined blade piece 520 Locking inclined surface 7 Retained parts at the time of storage 70 Gap for elastic transition 71 Connecting base 72 Elastic inclined blade piece 720 Locking inclined surface

Claims (2)

[Claims] 1. A connecting base made of a synthetic resin and having a fitting hole formed in a substrate of an outer member, into which a stopper at the time of storage is fitted, and a vertically bent edge of the outer member of the connecting member. It protrudes from the board side end in the direction of the end of the upper and lower locking edges, locks to the upper and lower locking edges while being connected to the outer member, and is integrally formed with a gap for elastic transition between the connecting bases. A part connecting device for a slide rail, comprising a synthetic resin elastic inclined wing piece. 2. The end face of the elastic inclined wing piece on the upper and lower locking edge side,
2. The slide rail parts connecting device according to claim 1, wherein the locking member is formed on a locking inclined surface that is inclined toward the substrate of the outer member in a vertical bending edge direction.