JPH0824611B2 - Drawer guide mechanism and rails for drawers and drawer suspensions - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION This invention is, furniture, kitchen, relates to a drawer guide mechanism such as office equipment, new drawer guide mechanism arrangement using a roller with a rail that can smooth out
To provide a rail for a drawer and a drawer suspension used therein.

[0002]

2. Description of the Related Art Generally, a conventional rail with a roller used for guiding a drawer is a drawer side rail 20 attached to the drawer 10 side and a main body for accommodating the drawer (hereinafter referred to as "cabinet"), as shown in FIG. This is a mode in which one cabinet-side rail 30 to be mounted on each side is used on each of the left and right sides.

However, according to the conventional embodiment,
Two types of independent rails, drawer side rail and cabinet side rail
The structure of the drawer is complicated because it uses rails, and it is not only laborious to assemble the drawer, but also the cost is high, and daily maintenance such as detaching and cleaning the drawer cabinet is not easy. There are problems such as.

Further, the drawer-side rail is attached to the lower part of the drawer side wall for reasons of mold manufacture, especially in the case of a plastic integrated drawer or the like. On the other hand, the drawer is
In the case of molding using a mold such as plastic, since the mold removal taper is taken in the depth direction of the drawer,
The width between the side walls of the drawer is narrower at the bottom than at the top. For this reason, if the width of the upper part of the drawer is constant, the lower the space between both side walls becomes narrower as the depth increases, which changes the horizontal position of the cabinet rail mounting, and the position adjustment for adjusting it. Brackets are required. Also, when fixing the horizontal mounting position of the cabinet side rail, it is necessary to change the width of the upper part of the drawer.

[0005]

In view of the above-mentioned conventional situation, the present invention has a relatively simple structure, reduces the number of steps for assembling the drawer, and is advantageous in terms of cost.
In addition, the drawers can be easily removed from the cabinet and cleaned daily, and the cabinet rails do not require a position adjustment bracket regardless of the depth of the drawer, and are durable. excellent,
Furthermore, if necessary, there may be rattling, shaking, or disconnection of the drawer.
Effectively prevent these problems that have been seen in the past
And a drawer guide mechanism that allows smooth drawers
Rails for drawers and drawer suspensions used for
The task is to

[0006]

As a result of various studies, the present invention provides a drawer with a reinforcing structure, and incorporates the function of a drawer side rail into the drawer itself, thus providing a conventional combination mechanism of a drawer side rail and a cabinet side rail. Was made by inventing a different novel mechanism.

That is, the present invention comprises a drawer and a drawer suspension rail for suspending the drawer. The drawer has a box shape made of plastic, that is, synthetic resin, and is provided with flanges on the outside from the left and right side walls. A folded-back portion is formed downward from the collar portion in a mode in which a reinforcing rib mechanism is attached between the folded-back portion and the drawer side wall, and the tip of the folded-back portion is on a roller provided on the drawer suspension rail. The drawing guide mechanism is characterized in that the drawing guide mechanism is mounted in such a manner that the roller moves back in accordance with the rotation of the roller. In general, the upper end of the left and right side walls of the drawer is bent outward to form a collar portion, and the tip of the collar portion is bent downward to form a folded portion. It is preferable that the reinforcing rib mechanism between the folded-back portion and the side wall of the drawer is connected and provided as described later. More usually, rollers are provided at the outer rear positions of the left and right side walls of the drawer, i.e., generally at the rear position in the reverse groove between the folding part and the side wall of the drawer, and the upper end of the roller is
The collar portion is provided so as to be exposed from a collar window portion formed by cutting out a part of the collar portion. The drawer suspension rail is generally composed of upper and lower guide rail plates and rollers provided at the front position, and the drawer roller is placed on the lower guide rail plate between the upper and lower guide rail plates of the drawer suspension rail. Is fitted in a manner of rolling. Further, as a preferred embodiment, a groove in the circumferential direction for receiving the tip of the folded portion of the drawer is formed on the peripheral end surface of the roller of at least one of the left and right drawer suspension rails, or in combination therewith or at least one of the left and right sides. There is a mode in which a groove portion that opens downward in the longitudinal direction for receiving the drawer roller is formed in the upper guide rail plate of the drawer suspension rail. Further, it is preferable that the groove portion of the upper guide rail plate is formed in such a manner that the groove portion is provided on at least one of the left and right sides of the opening surface as described later. Further, in the present invention, the synthetic tree
Fat drawers are usually integrated drawers and
The rib and the reinforcing rib mechanism are integrally formed when forming the drawer
To be done. A decorative plate is generally attached to the front surface of the drawer.

[0008]

EXAMPLES The present invention will be described below with reference to the accompanying drawings showing typical embodiments of the present invention.

FIG. 1 is a perspective view of a representative embodiment of the present invention. As shown in FIG. 1, the drawer guide mechanism of the present invention comprises a combination of a drawer 1 and drawer suspension rails 2 and 2'for suspending the drawer. The drawer 1 is box-shaped, and generally, the upper ends of the left and right side walls 3, 3 ′ are bent outward, for example, in the horizontal direction so that the collar portions 4, 4 ′ and the tips of the collar portions are downward. Then, the folded-back portions 5 and 5'are formed. That is, the upper ends of the left and right side walls of a normal box-shaped drawer
It is bent so that it has a substantially inverted U-shaped cross section
A ridge is formed. The drawer 1 is usually constructed by attaching a decorative plate 1a to the front surface of the drawer body.

FIG. 2 is a drawing in which the drawer suspension rail 2 is removed from FIG. 1 and the periphery of the right side wall 3 of the drawer 1 is partially enlarged. As shown in FIG. 2, a reinforcing rib mechanism 6 is provided between the folded-back portion 5 and the drawer side wall 3. The reinforcing ribs machine
The structure 6 reinforces the mechanical strength of the folded-back portion 5 and the box shape of the drawer 1. Generally, a plate-shaped rib or other rib having an appropriate reinforcing function is provided between the folded-back portion 5 and the drawer side wall 3. It is preferable to use the continuous mode, but other
Another mode of reinforcing rib having a similar reinforcing rib action
It may be a mechanism .

Further, the roller 7 is provided at the rear side of the drawer, that is, generally at the rear position, in the reverse groove portion formed between the folded-back portion 5 and the drawer side wall 3, and the upper end of the roller and the collar portion 4 are partially notched. It is provided so as to be exposed from the flange window portion 4a.

FIG. 3 is an enlarged perspective view of the left drawer suspension rail 2'in FIG. In FIG. 3, the left side drawer suspension rail 2 ′ is shown to facilitate understanding of the structure, but the right side drawer suspension rail 2 also has basically the same structure. In other words, the drawer suspension for a rail 2 ', upper and lower guide rail plate 2'a, out 2'b and the cited
The roller 2'c is provided in front of the suspension rail, that is, generally in the front position.

FIG. 4 is a sectional view taken along line AA 'in FIG.

As shown in FIG. 4, the rollers 7 and 7'of the drawer 1 maintain a gap between the rollers 7 and 7'of the drawer suspension rails 2 and 2'and the upper guide rail plates 2a and 2'a. It is fitted between the upper and lower guide rail plates 2a, 2b: 2'a, 2'b in a manner of rolling on the rail plates 2b, 2'b.

The tips of the folded-back portions 5 and 5'of the drawer 1 are rollers 2c and 2'of the drawer suspension rails 2 and 2 '.
It is mounted on the upper end of c in such a manner that the rollers 2c and 2'c return to move in accordance with the rotation.

FIG. 5 is a drawing corresponding to FIG. 4 and shows another embodiment. That is, this is a mode for preventing troubles such as rattling, blurring, and detachment of the drawer 1. In FIG. 3, the upper and lower guide rail plates are configured as long flat plates. As shown, the guide rail plate 2a on the upper side of the left or right drawer suspension rail 2
Further, by forming the groove portion 2d in the longitudinal direction that opens downward to receive the roller 7 of the drawer 1, it is possible to prevent the problems such as rattling, blurring, and detachment. The groove 2d is located on the left and right of the opening surface of the groove as shown.
In the longitudinal direction with a collar-shaped portion on at least one of the
It is preferable to be made. Both left and right for the same purpose
Alternatively, the groove 2d of the upper guide rail plate may be formed on the peripheral end surface of the roller 2c of either one of the drawer suspension rails 2 by forming a groove in the circumferential direction for receiving the end of the folded portion 5 of the drawer 1. Together, or independently, it is appropriately adopted. Therefore, for example, one of the left and right drawer suspension
When the drawer rail is received on the guide rail plate above the rail,
And form a longitudinal groove that opens downward.
Pull the other drawer suspension rail onto the peripheral end face of the roller.
A groove is formed in the circumferential direction to receive the tip of the folded back part
The mode which does is also mentioned. Which of these aspects is adopted
Ruka should be used to prevent problems such as rattling, blurring, and detachment.
Considering smooth withdrawal and withdrawal, it is desired as needed
It suffices to select the mode. The drawer suspension rails 2 and 2'are properly fixed to the cabinet with wood screws 8 and 8 '.

[0017]

The present invention is constructed as described above, so that the drawer can be smoothly taken in and out.
That is, as can be understood from FIGS. 1, 4 and 5, the front portion of the drawer 1 is provided with the rollers 2c, 2 of the drawer suspension rails 2, 2'through the ends of the folding portions 5, 5 '. 'is suspended by c, also the rear portion of the drawer 1, the rollers 7, 7 of the drawer 1' lower guide rail plate 2b of the drawer suspension rails 2, 2 ', suspended in a manner that rolls on 2'b To be done. Therefore, the drawer 1 can be smoothly taken in and out according to the rotation of the rollers 7 and 7'of the drawer 1 and the rollers 2c and 2'c of the drawer suspension rails 2 and 2 '.

Further, as the drawer 1 is pulled out forward, a moment is applied to the drawer 1 in the direction in which the front portion drops downward due to the action of gravity, but the rollers 7, 7'of the drawer 1 are used for pulling out and suspending. The rails 2 and 2'abut against the upper guide rail plates 2a and 2'a to prevent the drawer 1 from falling downward at the front portion thereof.

The drawer suspension rail 2 of the drawer 1 is formed by partially cutting out the front portion of the upper guide rail plates 2a, 2'a of the drawer suspension rail 2, 2 '.
It can be easily attached to and detached from the 2 '.

Further, in the present invention, the reinforcing rib mechanism 6 is provided between the folded-back portions 5 and 5'of the drawer 1 and the drawer side walls 3 and 3 '.
A high degree of deformation resistance can be obtained by attaching. In general, when the drawer 1 has a thin box shape by plastic That synthetic resin, but tends to occur deformation such as inner sledding or distortion out by compression force and tensile force or the like of the left and right front and rear, in the present invention, the reinforcing ribs mechanism Due to the high degree of deformation resistance due to the attachment of 6 , even if the rail function is applied to the tips of the folded-back portions 5 and 5 ', shape collapse such as inward warping and distortion does not occur. In this respect, for example, without providing the reinforcing rib mechanism 6 , the rollers 2c of the drawer suspension rails 2 and 2'are provided in the reverse groove portion between the folded portions 5 and 5'and the drawer side walls 3 and 3 '.
It is essentially different from the embodiment in which 2'c is fitted, and in terms of practical use, it is remarkably excellent in durability.

[0021]

As can be understood from the above description, according to the present invention, the function of the conventional drawer side rail is incorporated in the drawer itself, and two kinds of drawer rails and cabinet side rails, which are required as conventional parts, are provided. Since the drawer side rail is unnecessary, the structure is simple, the number of steps for assembling the drawer is reduced, and it is advantageous in terms of cost.
It is also easy to carry out daily maintenance such as detaching from the cabinet of the drawer and cleaning.

Further, since the drawer side roller is provided on the upper part of the drawer, the position adjusting bracket conventionally required for the plastic integrated drawer when the drawer suspension rail is attached to the cabinet is also provided. It is not necessary and there is no need to change the width of the upper drawer when the horizontal mounting position of the cabinet rail is fixed. Further, according to the present invention, a reinforcing rib mechanism is provided between the folded-back portion of the drawer and the side wall of the drawer to reinforce the box shape of the drawer to obtain a high degree of deformation resistance, and the tip of the folded-back portion. Since it functions as a rail, it is prevented from deformation such as inward warping and distortion, and is extremely excellent in durability. Furthermore,
In the upper guide rail plate of the drawer suspension rail, a groove is formed to receive the drawer roller, or a groove is formed on the peripheral end surface of the drawer suspension rail roller to receive the end of the folded portion of the drawer. It is possible to effectively prevent problems such as rattling, blurring, and detachment.

[Brief description of drawings]

FIG. 1 is a perspective view of an exemplary embodiment of the present invention.

FIG. 2 is a drawing in which the drawer suspension rail is removed from FIG. 1 and the right side wall of the drawer is partially enlarged.

FIG. 3 is an enlarged perspective view of the left drawer suspension rail in FIG.

FIG. 4 is a sectional view taken along line AA ′ in FIG.

5 is a view of another embodiment corresponding to FIG. 4. FIG.

FIG. 6 is a perspective view showing a drawer guide mechanism using a conventional rail with roller.

[Explanation of symbols]

1 Drawer 2,2 'Drawer suspension rail 3,3' Drawer side wall 4,4 'Collar part 5,5' Folded part 6 Reinforcing rib mechanism 7,7 'Drawer roller 8,8' For fixing the drawer suspension rail Wood screws 10 Conventional drawers 20 Drawer side rails 30 Cabinet side rails 1a Decorative plates 2a, 2'a Upper guide rail plates 2b, 2'b Upper guide rail plates 2c, 2'c Rollers for drawer suspension rails 2d Grooves 4a Tsuba Window

Continuation of the front page (56) Bibliographic reference Sho 54-53926 (JP, U) Real development Hei 3-55746 (JP, U) Japanese public Sho 49-3796 (JP, B2) Japanese public 8-8046 (JP , Y1) Actual public Sho 51-48363 (JP, Y2) Actual public Sho 50-26601 (JP, Y2)

Claims (12)

[Claims] 1. A drawer and a drawer suspension rail for suspending the drawer. The drawer has a box-like shape made of synthetic resin, and a flange portion is attached to the outside from the left and right side walls, and further extends downward from the flange portion. Is formed in such a manner that a reinforcing rib mechanism is provided between the folded-back portion and the side wall of the drawer, and the tip of the folded-back portion is on the roller provided on the drawer suspension rail, and according to the rotation of the roller. A drawer guide mechanism, which is mounted in a manner of returning. 2. A roller is provided at a rear position of a reverse groove portion formed between a folded-back portion of a drawer and a side wall of the drawer, and an upper end of the roller is a collar window portion formed by partially cutting a collar portion. The drawer guide mechanism according to claim 1, wherein the drawer guide mechanism is provided in an exposed manner. 3. The drawer guide mechanism according to claim 1, wherein the drawer suspension rail comprises upper and lower guide rail plates and rollers provided in front of the drawer suspension rail. 4. The drawer according to claim 3, wherein the rollers provided in the drawer are fitted between the upper and lower guide rail plates of the drawer suspension rail so as to roll on the lower guide rail plate. Guidance mechanism. 5. The drawer guide mechanism according to claim 1, wherein a groove in the circumferential direction is formed on the peripheral end surface of the roller of the drawer suspension rail so as to receive the tip of the folded portion of the drawer. 6. The drawer suspension rail comprises upper and lower guide rail plates and rollers provided in front of the drawer suspension rail, and a longitudinal groove portion for receiving the drawer roller is provided on the upper guide rail plate. The drawer guide mechanism according to claim 1 or 5, which is formed. 7. A groove in the circumferential direction for receiving the tip of the folded portion of the drawer on the peripheral end surface of at least one roller of the left and right drawer suspension rails, and an upper guide rail plate of at least one of the left and right drawer suspension rails. The drawer guide mechanism according to claim 1, wherein a groove in the longitudinal direction for receiving the drawer roller is formed in the. 8. A mode in which a flange portion is attached to the outside from the left and right side walls of a box-shaped drawer, and a folded-back portion is provided downward from the flange portion, and a reinforcing rib mechanism is attached between the folded-back portion and the drawer side wall. A drawer made of synthetic resin, which is formed as a rail and is configured so that the tip of the folded-back portion moves back on a roller provided on a drawer rail. 9. The drawer according to claim 8, wherein a roller is provided at a rear position of the reverse groove-shaped portion formed between the folded portion and the side wall of the drawer. 10. The drawer according to claim 9, wherein the roller is provided such that an upper end of the roller is exposed from a flange window portion formed by cutting out a collar portion. 11. An upper and lower guide rail plate and rollers provided at a front position, wherein a groove portion that opens downward is provided on at least one of the left and right sides of the opening surface of the upper guide rail plate. A drawer suspension rail which is formed in the longitudinal direction and in which a circumferential groove is formed on the peripheral end surface of the roller. 12. A pair of left and right suspension rails, each consisting of an upper and lower guide rail plate and rollers provided at the front position, wherein at least one roller of the left and right suspension rails is surrounded by a peripheral end face. Direction groove portion is formed, and a groove portion that opens downward on at least one upper guide rail plate of the left and right suspension rails is formed in the longitudinal direction such that at least one of the left and right of the opening surface has a flange portion. A set of drawer suspension rails.