JPH05215461A - Drawer type door for storage warehouse - Google Patents

Abstract

PURPOSE:To remarkably reduce the number of assembling steps and to improve a strength when a door is drawn forward by fixing ends of first and second extended parts of a round rod to moving rails by clampers, and clamping the rod together with moving rollers and the rails at a bending point of the rod to be bent from its horizontal part upward. CONSTITUTION:A reinforcing round rod 22 has a mount 24 mounted between a pair of moving rails 14, a pair of first extended parts 26 extended rearward from both ends of the mount 24, a pair of second extended parts 28 extended upward from both ends of the parts 26, and a pair of third extended parts 29 extended further forward from the upper ends of the parts 28. The rod 22 is fixed at first and third flat plates 30, 34 to the rails 14 by rivets 36, and clamped together with moving rollers 38 and the rails 14 by a second flat plate part 34. Thus, the number of assembling steps when the rod 22 is fixed to the rails 14 can be reduced, and strengths of the rails 14 can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drawer type door of a storage.

[0002]

2. Description of the Related Art The following is a conventional structure of a drawer type door of a refrigerator.

That is, a pair of fixed rails are horizontally provided on both side surfaces of a storage room of a refrigerator, and fixed rollers are provided in front of the pair of fixed rails. A pair of moving rails that move in the front-rear direction guided by the pair of fixed rails and a pair of fixed rollers, and a moving roller that rolls along the fixed rails are provided at the rear of the pair of moving rails.

Accordingly, when the front door of the refrigerator provided at the front ends of the pair of moving rails is moved in the front-rear direction, the storage container installed between the pair of moving rails can be taken in and out of the storage chamber.

[0005]

In the drawer type door having the above construction, a round bar is attached between the rear ends of the movable rails to form a door frame.

As a method of attaching the reinforcing round bar, as shown in FIG. 6, a metallic reinforcing pad 112 is attached to the rear portion of the moving rail 110 with rivets 114 and is moved together with the reinforcing pad 112. A roller 116 is attached. In addition, the reinforcing round bar 118 is formed by forming both end portions of the round bar 118 on the flat plate portion 118a, and then forming the flat plate portion 118a.
A is fixed to the rear part of the moving rail 110 with a rivet 120.

However, the method of attaching the round bar having the above-mentioned structure has a problem that the number of steps for assembling is large and it is necessary to use the reinforcing contact plate, resulting in an increase in cost.

Further, as another method of attaching the round bar, at least two pieces are provided in the vertical direction of the plane portions provided at both ends of the round bar.
Form individual mounting holes, attach the fasteners to the mounting holes located above, connect the moving rail and the round bar, and
A drawer type door has been proposed in which a round bar and a moving rail are fastened together by a moving roller of a moving rail attached to the attachment hole located at the lowermost portion (Shokai 62-198483).

However, even with this drawer type door, there is a problem in that the strength is weak when the drawer type door is pulled out to the maximum front.

Therefore, the present invention provides a storage which can significantly reduce the number of assembling steps in connecting the movable rail and the round bar and can improve the strength when the pull-out door is pulled forward. To do.

[0011]

A refrigerator according to the present invention is provided with a pair of fixed rails provided substantially horizontally on both side surfaces of a storage chamber in a main body of a storage, and a front portion of the pair of fixed rails. A pair of fixed rollers provided on both side surfaces of the storage chamber, a pair of fixed rails and a pair of movable rails which are guided by the pair of fixed rollers to move in the front-rear direction, and a pair of fixed rollers. Moving rollers provided at the rear of the moving rail and rolling along a pair of fixed rails, a front door of a storage provided at the front ends of the pair of moving rails, and the pair of In a drawer-type door of a storage, which comprises a reinforcing round bar that is installed between both rear portions of the moving rail, the round bar is a bridging part that bridges between the pair of moving rails, and both ends of the bridging part. And a pair of first extending portions extending rearward from the respective portions, and above both end portions of the pair of first extending portions. A pair of second extending portions and a pair of third extending portions that extend forward from the upper ends of the pair of second extending portions, respectively. First
The extension portion and the end portion of the second extension portion of the round bar are fixed to the moving rail with fasteners, respectively, and the end portion of the first extension portion of the round bar and the moving roller are fixed. It is fastened together and fixed to the moving rail.

[0012]

[Operation] In the storage configured as described above, the movable rail and the round bar are fixed to the movable rail at the end portions of the first extended portion of the round rod and the second extended portion of the round rod by fasteners. Has been done. Further, at the end of the round bar with the first extending portion, that is, at the bending point where the round bar is bent upward from the horizontal portion, the moving roller and the moving rail are fastened together.

Thus, when the round bar is fixed to the moving rail, the round bar and the moving rail can be fixed only by fixing the moving bar and the round bar with the fastening tool at two places.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

Reference numeral 10 is a drawer type door showing an embodiment of the present invention. As shown in FIG. 5, the drawer type door 10 is a drawer type door 10 used in a vegetable compartment 3 provided at the bottom of the main body 2 of the refrigerator 1, and allows the storage container 4 to be taken in and out. ..

Reference numeral 12 is a front door of the drawer type door 10. The front door 12 is the door of the vegetable compartment 3.

Reference numeral 14 is a moving rail that is horizontally projected from the rear surface of the front door 12 to the rear portion. This moving rail 14
As for the method of fixing the front door 12, the front end portion of the moving rail 14 is bent inward, and the bent portion 16 is fixed to the back surface of the front door 12 with a screw. The upper end of the moving rail 14 constitutes the upper surface 18 by being bent outward. The upper surface 18 has a stopper locking piece 19 projecting downward at the rear portion of the moving rail 14, and further behind the stopper locking piece 19, that is, the upper surface 1.
The rear end portion of 8 is curved downward to form a stopper portion 20.

Reference numeral 22 is a reinforcing round bar. The reinforcing round bar 22 is installed between the pair of moving rails 14, 14. The reinforcing round bar 22 includes an erection portion 24 erected between the pair of moving rails 14, 14.
A first extending portion 26 that extends substantially horizontally rearward from the end of the erection portion 24 and a second extending portion 28 that extends above the end of the first extending portion 26 Become. Further, the upper end portion of the second extending portion 28 is bent further forward to form the third extending portion 28.
The extension portion 29 is formed.

Reference numeral 30 is a first flat plate portion provided in an intermediate portion of the first extending portion 26. The first flat plate portion 30 is formed by forming the first extending portion 26 of the round bar 22 into a flat plate shape. A hole for penetrating the rivet 36 is opened in the first flat plate portion 30.

Reference numeral 32 is a second flat plate portion in which an end portion of the first extended portion 26, that is, a bent portion bent from the first extended portion 26 to the second extended portion 28 is formed in a flat plate shape. A hole for fixing the moving roller is opened in the first flat plate portion 30.

Reference numeral 34 is a third flat plate portion in which the front end portion of the third extending portion 29 is formed in a flat plate shape. This third flat plate portion 34
A hole for penetrating the rivet 36 is opened in the.

Then, the reinforcing round bar 22 is attached to the moving rail 14.
When fixing to, do as follows.

After arranging the round bar 22 so that the second flat plate portion 32 is located under the rear end of the moving rail 14, the first flat plate portion 30 is fixed to the inner surface of the moving rail 14 with the rivets 36. Further, the third flat plate portion 34 is also fixed to the inner surface of the moving rail 14 with the rivets 36. Further, the second flat plate portion 32 is
The moving roller 38 is inserted from the outside of the moving rail 14, and the second flat plate portion 32 is fastened together with the moving roller 38 to the moving rail 14. As a result, the reinforcing round bar 22
Will be fixed to the moving rail 14 at three points.

Reference numeral 40 is a pair of fixed rails provided on both inner walls of the vegetable compartment 3. This fixed rail 40
The moving roller 38 is rollable.

Reference numeral 42 is a fixed roller provided above the front end of the fixed rail 40. This fixed roller 42
Then, the upper surface 18 of the moving rail 14 is slid so that the moving rail 14 can move in the front-back direction.

As described above, in the drawer type door 10 of the present embodiment, when the front door 12 is pulled out by hand, the moving roller 38 moves the fixed rail 40 and moves on the fixed roller 42. The structure is such that the upper surface 18 of 14 moves.

This drawer type door 10 is provided with a stopper engaging piece 19
Pulled out to the maximum, and at the position of the fixed roller 42,
When the stopper portion 20 is located (hereinafter, referred to as a full open time), as shown in FIG.
Is inclined downward with the fixed roller 42 as a fulcrum. The dimension from the front end of the moving rail 14 to the fixed roller 42 is L1, and the dimension from the fixed roller 42 to the rear end of the moving rail 14, that is, the dimension of the first extending portion 26 is L2. Further, the downward force applied to the front of the drawer type door 10 is F1, and the upward force applied to the moving roller 38 is F2.

In this case, the force relationship when the drawer type door 10 is fully opened is F1 × L1 = F2 × L2. The moving roller 38 is fixed to the moving rail 38 together with the second flat plate portion 32. Also, round bar 22
The other portion, that is, the first flat plate portion 30, is fixed to the inner surface of the moving rail 14 with the rivet 36, and the third flat plate portion 34.
Is also firmly fixed to the inner surface of the moving rail 14 with rivets 36. Therefore, even if the upward force F2 applied to the moving roller 38 becomes slightly large, the moving roller 38 can sufficiently withstand. Therefore, the size of L2 can be made small, and the size of L1 becomes large by this, and the drawer amount of the drawer type door 10 increases.

[0029]

As described above, in the drawer door of the storage according to the present invention, the movable rail and the round bar are connected to the movable rail at the ends of the first extending portion and the third extending portion of the round rod. It is fixed with each fastener. Further, at the end of the round bar with the first extending portion, that is, at the bending point where the round bar is bent upward from the horizontal portion, the moving roller and the moving rail are fastened together. Therefore, even if the upward force applied to the moving roller is increased to some extent, the moving roller can sufficiently withstand due to the provision of the third extending portion. Therefore, the drawer amount of the drawer type door is increased.

Further, unlike the conventional case, since it is not necessary to provide a reinforcing contact plate, the number of assembling steps can be reduced,
Cost can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of a drawer type door.

FIG. 2 is an enlarged perspective view of an essential part of a rear end portion of a moving rail.

FIG. 3 is an enlarged vertical sectional view of a main part of a storage chamber.

FIG. 4 is a schematic diagram showing a force relationship when a drawer type door is fully opened.

FIG. 5 is a side view of the refrigerator.

FIG. 6 is an exploded perspective view of a rear portion of a conventional moving rail.

[Explanation of symbols]

 1 ... Refrigerator 2 ... Main body 3 ... Vegetable room 4 ... Storage container 10 ... Door 12 ... Front door 14 ... Moving rail 16 ... Bending part 18 ... Upper surface 20 ... Stopper 22 ... Round bar 24 ...... Installation part 26 ...... First extension part 28 ...... Second extension part 29 ...... Third extension part 30 ...... First flat plate part 32 ...... Second flat plate part 34 ...... Third flat plate part 36 ... Rivet 38 ... Moving roller 40 ... Fixed rail 42 ... Fixed roller

Claims (1)

[Claims] 1. A pair of fixed rails provided substantially horizontally on both side surfaces of a storage chamber in a main body of a storage cabinet, and provided on both side surfaces of the storage chamber located in front of the pair of fixed rails. A pair of fixed rollers, a pair of fixed rails, a pair of movable rails which are guided by the pair of fixed rollers to move in the front-rear direction, and a pair of movable rails are provided at the rear portions of the movable rollers. A movable roller that rolls along a pair of fixed rails, a front door of a storage provided at the front ends of the pair of movable rails, and a bridge between both rear portions of the pair of movable rails. In the drawer type door of the storage, which comprises a reinforcing round bar, the round bar includes a erection section that erects the pair of moving rails, and a pair that extends rearward from both ends of the erection section. First extending portion and a pair of second extending portions extending upward from both ends of the pair of first extending portions, respectively. And a pair of third extending portions further extending forward from the upper ends of the pair of second extending portions, respectively, the first extending portion of the round bar and the second extending portion of the round bar. At the end of the extended portion, each is fixed to the moving rail with a fastener, and the end of the first extending portion of the round bar and the moving roller are fastened together to the moving rail. A drawer type storage door that is fixed.