JP2005043048A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a refrigerator equipped with a shelf device for regulating reasonably a shelf position with small force by one hand, under the condition where foods are mounted, irrespective of a load level difference in the foods. <P>SOLUTION: A screw type shaft provided with a gear is interlocked, by a timing belt, with a moving plate arranged with a hollow-shaped shelf mounting frame and the timing belt laid outer-edge-likely using a hollow part, having the turning timing belt connection-fixed with a lever moving the frame, and having a screw hole installed on a turning line of the timing belt, and moved vertically by rotation of the screw type shaft, and the moving plate is fixed onto a wall face of the refrigerator to move the shelf mounting frame vertically. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a refrigerator provided with a shelf device that can adjust a shelf provided in the refrigerator to a free position.

In general, in a refrigerator, there is a demand for a shelf device that can be adjusted up and down according to the size of food and containers to be put in the refrigerator. Then, as a conventional shelf apparatus in such a refrigerator, there exists a thing as shown, for example in patent 2752300 gazette.
9 is a longitudinal sectional view of a refrigerator having a conventional shelf device, FIG. 10 is a side view of the conventional shelf device, and FIG. 11 is a detailed view of the conventional shelf device.
In the figure, 1 is in a refrigerator, 2 is a rack, 3 is a shelf support frame, 4 is a pinion gear, 5 is a shelf body, and has a shelf plate 5a (chain line portion) and a shelf frame 5b. The shelf board 5a is slidable in the direction A in FIG. 11 from the shelf frame 5b. 6 is a gear shaft, 7 is a spring, and 8 is an adjusting means.
On one side of the refrigerator, a shelf support frame 3 having a rack 2 having a vertical frame, a shelf body 5 having a pinion gear 4 meshing with the rack 2 via a support member, A gear shaft 6 that is provided and supports the pinion gear 4 via a Z-shaped steel, and is wound around and fixed to the outer peripheral surface of the gear shaft 6, and one end thereof is attached to the pinion gear 4 or the shelf body 5. A fixed spring 7 and adjusting means 8 adapted to compress the spring 7 are provided.

With the pinion gear 4 of the shelf body 5 meshed with the rack 2 of the shelf support frame 3, the spring 7 is pulled in the diameter reducing direction by the weight of the shelf body 5 and is firmly wound around the gear shaft 6. Is locked to fix the shelf body 5 at a predetermined position. When the position of the shelf body 5 is changed, the winding fixing force between the spring 7 and the gear shaft 6 is released by pressing the adjusting means 8 (chain line portion 8), and the shelf body 5 is moved upward ( It can be freely adjusted in the B direction in FIG. 11 and in the downward direction (C direction in FIG. 11).
Furthermore, when the shelf body 5 is adjusted only in the upward direction (direction B in FIG. 11), the shelf body 5 may be lifted up as it is.

Japanese Patent No. 2752300

In the refrigerator equipped with the conventional shelf device as described above, when the vertical position of the shelf body 5 is adjusted, the adjusting means 8 is in two places on the left and right sides, so it must be operated simultaneously with both hands, and the horizontal state is maintained. Since either one of the adjusting means 8 is easy to move in advance, there is troublesome operation while taking care.
Further, since the adjusting means 8 supports the shelf body 5 only at one place on the left and right sides, the back and forth of the shelf body 5 is liable to occur due to assembly variations, and the stability of the shelf body 5 is not good.
When the adjusting means 8 is operated, there is a fear that it may drop at a stretch due to the weight of the shelf body 5 at the moment when the lock is released, and there is anxiety as a safety aspect.
Furthermore, considering the amount of load when food is placed on the shelf body 5, it is difficult to move the shelf body 5 up and down while operating the adjusting means 8.

  The present invention has been made to solve the above-described problems. A timing belt is attached to a shelf mounting frame, a lever that moves along the frame, and a timing belt is connected and fixed. A moving plate that has a threaded hole installed on the rotation line of the timing belt and moves up and down by the rotation of the screw-shaped shaft and a screw-shaped shaft that includes a gear are interlocked by the timing belt, and the moving plate The shelf mounting frame can be moved up and down by fixing it to the wall of the refrigerator. The present invention provides a refrigerator including a shelf device that can be adjusted in position.

  The refrigerator according to the present invention includes a shelf, a hollow frame on which the shelf is placed, a timing belt having a rack shape in the frame, and provided on the timing belt and movable along the frame. A lever, a gear disposed on a rotation line of the timing belt and having an engaging portion that engages with a rack shape of the timing belt, a screw-shaped shaft provided on the gear, and a threaded hole provided on the shaft A movable plate engaged with the movable plate, and the movable plate is placed on a movable plate receiving portion provided in a refrigerator, the timing belt is rotated by the lever, and the gear, the shaft, and the moving It is provided with a shelf device that can move the frame in the vertical direction or the horizontal direction by transmitting power to the plate.

  Further, the gear and the shaft are integrally formed.

  Further, the timing belt is provided with a hole or a projection that is continuous at a predetermined interval, and the gear has a projection or a hole that engages with the timing belt.

  The gears and shafts are provided at at least two corners in the frame around which the timing belt rotates.

  Also, the corner portion of the frame is extended to provide an extension portion, a gear and a shaft are placed in the extension portion, and the extension portion is embedded in the refrigerator and a movable groove portion is provided.

  Further, the shelf device is used as a member for closing a ceiling portion of a private room provided in the refrigerator.

  Further, the shelf device is used on the bottom surface of the door pocket provided on the door of the refrigerator.

  Further, in the refrigerator having an opening / closing door that closes the front surface of the refrigerator and a partition wall that partitions the inside of the refrigerator into a plurality, the partition wall includes a hollow frame, and a timing belt that forms a rack shape in the frame, A lever provided on the timing belt and movable along the frame; a gear having an engaging portion disposed on a rotation line of the timing belt and engaged with a rack shape of the timing belt; and provided on the gear A screw-shaped shaft and a moving plate provided with a threaded hole and engaged with the shaft, the moving plate is placed on a moving plate receiving portion provided in a refrigerator, and the lever is used to By rotating the timing belt to transmit power to the gear, the shaft, and the moving plate, the partition wall can be moved in the vertical direction or the horizontal direction.

  Further, the frame is provided with a cold air inlet for taking in cold air from a cold air supply duct provided between an inner plate and an outer plate of the refrigerator, and a cold air outlet for blowing the cold air into the refrigerator.

  A refrigerator according to the present invention includes a shelf, a hollow frame on which the shelf is placed, a timing belt having a rack shape in the frame, a lever provided on the timing belt and movable along the frame, A gear disposed on the rotation line of the timing belt and having an engaging portion that engages with the rack shape of the timing belt, a screw-shaped shaft provided on the gear, and a movement provided with a threaded hole and engaged with the shaft The moving plate is mounted on a moving plate receiving portion provided in the refrigerator, the timing belt is rotated by a lever, and the power is transmitted to the gear, the shaft, the moving plate, and the frame is moved up and down. Or since the shelf apparatus which can be moved in the left-right direction is provided, the shelf can be moved up and down with the stored items such as foods placed thereon, and the shelf can be moved even with a small operating force.

  Further, since the gear and the shaft are integrally formed, the number of parts is reduced.

  Also, since the timing belt has a hole or projection that is continuous with a certain interval, and the gear has a projection or hole that engages the timing belt, the same power transmission as in the rack and pinion shape combination can be achieved. it can.

  Further, since the gear and the shaft are provided at at least two corners in the frame where the timing belt rotates, the timing belt is stabilized.

  In addition, the corner part of the frame is extended to provide the extension part, the gear and shaft are placed in the extension part, and the extension part is embedded in the refrigerator and the movable groove part is provided. Space can be used effectively.

  In addition, since the shelf device is used as a member for closing the ceiling portion of the private room provided in the refrigerator, it can be adjusted to the user's preferred size by making the capacity of the private room variable.

  Further, since the shelf device is used on the bottom surface of the door pocket provided on the door of the refrigerator, it can be adjusted to the user's preferred height corresponding to the stored items stored in the door pocket.

  Further, in a refrigerator having an opening / closing door that closes the front surface of the refrigerator and a partition wall that partitions the inside of the refrigerator into a plurality of parts, the partition wall includes a hollow frame, a timing belt that forms a rack shape in the frame, and a timing belt A lever that is movable along the frame, a gear having an engaging portion that is disposed on a rotation line of the timing belt and engages with a rack shape of the timing belt, and a screw-shaped shaft provided on the gear; A movable plate provided with a threaded hole and engaged with the shaft, the movable plate is placed on a movable plate receiving portion provided in the refrigerator, a timing belt is rotated by a lever, a gear, a shaft, By transmitting power to the moving plate, the partition wall can be moved in the vertical direction or the horizontal direction, so that it can be flexibly adapted to the size of various storage items.

  In addition, the frame is provided with a cold air inlet for taking in cold air from a cold air supply duct provided between the inner plate and the outer plate of the refrigerator, and a cold air outlet for blowing cold air into the refrigerator, so that the temperature distribution in the refrigerator is uniform. Can be made.

Embodiment 1 FIG.
An embodiment of the present invention will be described below with reference to the drawings.
FIG. 1 is a perspective view of the shelf device, FIG. 2 is a cross-sectional view of the main part of the shelf device, and FIG. 3 is a refrigerator mounting view of the shelf device. In the figure, 9 is a shelf mounting frame, 9a is a cold air inlet provided in the shelf mounting frame 9, 10 is a timing belt, 10a is a rack-shaped portion of the timing belt 10, 11 is a lever, 12 is a screw, 13 is a gear, 13 a is a small shaft portion of the gear 13, 14 is a flat seat, 15 is a screw shaft, 15 a is a small shaft portion of the screw shaft 15, 16 is a moving plate, and 17 is a leg of the shelf mounting frame 9. , 17a and 17b are bearing portions provided on the leg portion 17, 18 is a shelf receiving portion, 19 is a side wall (side portion of the inner plate 33) in the refrigerator 1, 20 is a screw, and 21 is attached to and detached from the frame 9. A shelf placed freely, 24 is a hollow portion of the shelf-mounting frame 9, 25 is a vent hole provided on the back of the refrigerator, 26 and 27 are blow-out holes provided in the shelf-mounting frame 9, and 32 is Cold air supply duct, 33 is a refrigerator inner plate, 34 is refrigerated An outer plate.

  Reference numeral 9 denotes a shelf-mounting frame having a hollow shape and forming a frame body. The frame 9 has a hollow portion 24, and a timing belt 10 is mounted on the outer edge using the hollow portion 24. The lever 11 is connected and fixed to the timing belt 10 with a screw 12 and is arranged so as to move along one side of the shelf mounting frame 9, and the timing belt 10 rotates by sliding the lever 11. . A gear 13 that meshes and rotates with the rack-shaped portion 10a of the timing belt 10 is disposed on the rotation line of the timing belt 10 and at each corner of the shelf-mounting frame 9. A screw-shaped shaft 15 is integrally formed through a flat seat 14 having a larger diameter. The flat seat 14 prevents the timing belt 10 from shifting, but may not be present.

  The screw shaft 15 is rotated by rotating the gear 13 by the timing belt 10. Reference numeral 16 denotes a moving plate that has a threaded hole 16a and is screwed into the screw-shaped shaft 15. The moving plate 16 is sent to the screw when the screw-shaped shaft 15 rotates and moves up and down. A leg portion 17 is formed at each corner (four places) of the shelf mounting frame 9, and small shaft portions 13 a and 15 a protruding from the central axis of the gear 13 and the screw-shaped shaft 15 are bearings of the leg portion 17. It is pivotally supported by the parts 17a and 17b, and the screw-shaped shaft part is stored. Here, by forming the gear 13 and the shaft 15 integrally, the number of parts can be reduced. In addition, here, the description has been given in which the corners are provided at four corners. Further, in the case where the shelf mounting frame 9 has a round shape, for example, where there is no corner, the shelf mounting frame 9 may be provided at a position facing left and right or front and rear.

Next, the case where a shelf apparatus is installed in the refrigerator 1 is shown.
Reference numeral 18 denotes a shelf holder fixed at a predetermined position on the side wall 19 of the refrigerator 1 with screws 20, and is arranged so that the moving plate 16 provided on the screw-shaped shaft 15 of the shelf faces each other. By placing the moving plate 16 on the shelf receiving portion 18, the moving plate 16 set on the shelf mounting frame 9 side is fixed by its own weight. It will move up and down.
That is, by sliding the lever 12, the timing belt 10, the gear 13, the screw shaft 15, and the moving plate 16 are interlocked, and by fixing the moving plate 16 to the refrigerator inner wall 19, the shelf mounting frame 9 is moved up and down. Will move.

As described above, the shelf 21 is detachably mounted on the shelf mounting frame 9. However, even if the shelf mounting frame 9 and the shelf 21 are fixed and integrated, the shelf 21 is mounted on the lower portion of the shelf 21. The shelf apparatus having the structure of the frame 9 for use may be integrally formed from the beginning.
Further, in the present embodiment, the shelf device used in the refrigerator is shown, but in addition to the refrigerator, it can be applied to all other storage shelf devices such as a small showcase, a commercial showcase, and furniture. Is.

In FIG. 3, a part of the cool air blown out from the cool air supply duct 32 on the rear surface of the refrigerator provided between the refrigerator inner plate 33 and the refrigerator outer plate 34 using the hollow portion 24 of the shelf mounting frame 9. Is taken into the cool air intake 9a of the shelf frame 9 through the ventilation holes 25 on the back of the refrigerator, and the blow holes 26 provided on the side surfaces of the shelf frame 9 and the legs of the shelf frame 9 Cold air is guided to the blow-out holes 27 provided on the front surface and the side surface of 17 and an air passage is formed so that the cold air is guided into the refrigerator. Note that when the moving plate 16 is placed on the shelf receiving portion 18, the ventilation hole 25 and the cold air intake 9a are opposed to each other. Although the cold air supply duct 32 is provided on the back side here, the cold air inlet 9a may be provided on the side surface of the shelf mounting frame 9 when provided on the side surface.
From the above, it is also blown out to the front surface in the refrigerator, and the temperature distribution in the refrigerator can be made uniform.
Further, by providing holes such as the blowout holes 26 and 27 at necessary positions of the shelf mounting frame 9, it is possible to supply cold air to a desired portion by a simple operation of providing holes in the frame 9.

Also, the shelf can be moved up and down with food and other items placed just by sliding the lever laterally using the front of the shelf mounting frame, so the lever can be operated with only one hand. Since the full width of can be used, it is possible to rotate the screw-type shaft a lot so that the shelf can be moved up and down even with a small operating force.
In addition, the shelf mounting frame moves up and down as the moving plate mounted on the screw shaft moves, so if a load is applied to the shelf, the shelf does not move and no unlocking mechanism is required, making it easy to operate and safe In addition, a shelf device with a small number of parts can be provided. However, a lock mechanism may be provided in the lever portion to improve safety at high loads.
Moreover, the interior volume can be changed by dividing the partition wall in a variable manner.

Embodiment 2. FIG.
In the first embodiment, the timing belt 10 is engaged with the belt body that forms the rack shape 10a and the gear 13 that forms the pinion gear at each corner portion (here, four locations) of the shelf mounting frame 9. Although the power is transmitted, as shown in FIG. 4, the belt 22 having the hole 22 a (or the convex portion of FIG. 5) that is continuous with a certain interval and the hole 22 a of the belt 22 (or FIG. 5). Power may be transmitted by disposing a gear 23 having a convex portion 23a (or a hole portion in FIG. 5) for engaging with each convex portion) at each corner portion. Here, if a hole or a convex part is continuously opened at a constant interval, the timing belt rotates stably at the same speed.
As a material of the band 22, a polyester-based sheet material is inexpensive and suitable as a tensile strength without any problem. Moreover, it is also possible to use a general chain as a power transmission method.

Embodiment 3 FIG.
As described above, in the embodiment, the screw-shaped shaft 15 is rotated by the engagement between the belt-shaped belt body as the timing belt 10 and the gear shaft 13 having the pinion gear shape at each corner portion of the shelf mounting frame 9. The movable plate 16 is moved by transmitting power, but the positions of the gear shaft 13 and the screw-shaped shaft 15 are extended from each corner portion of the shelf mounting frame 9 as shown in FIG. By arranging the timing belt 10 so as to engage the gear shaft 13 via the rotatable roller 30 along the groove portion 19a, the food storage space in the warehouse can be used effectively.

Embodiment 4 FIG.
The example which used the structure of the shelf apparatus shown in the above embodiment for the ceiling wall of the partitioned exclusive space is shown.
As shown in FIG. 7, for example, a ceiling belt 29 holding an open / close door of a dedicated space such as a chilled room having a dedicated temperature zone or a new freezing temperature zone room 28 in a refrigerated room is provided with a timing belt (illustrated). (Omitted), screw-shaped shaft (not shown) and moving plate (not shown) are moved by lever (not shown), etc., and the capacity of the dedicated space (chilled room or new freezing temperature zone room 28) can be varied. It can be adjusted to the user's preferred size. In addition, in the figure, it can maintain as an exclusive temperature zone room by ensuring the lapping allowance of an opening / closing door and a case more than a variable range.
In addition, it is possible to adjust the capacity by moving the vertical partition wall in the left-right direction as well as the horizontal partition wall that partitions the refrigerator up and down, such as the ceiling partition wall 29. It is the most effective means for freezing temperature room. Furthermore, it is possible to adjust the capacity according to the preference of the consumer user, but it is possible to manufacture products with different dedicated spaces with one model from the factory side, leading to improved productivity.

Embodiment 5 FIG.
The example which used the structure of the shelf apparatus shown in the above embodiment for the door (door) pocket provided in the refrigerator door is shown.
As shown in FIG. 8, the door pocket 31 is also moved by using the timing belt 10, the screw shaft 15 and the moving plate 16, so that the vertical distance between the door pockets can be varied, and can be used for bottles, plastic bottles and the like. You can adjust the height of the corresponding user preference.

  From the above, it can be applied not only to the height adjustment of shelves but also to the movement of walls and door pockets of a partitioned storage space, etc. Products that can be flexibly adapted to the size of various containers. In addition to the refrigerator shelf device, the shelf device of the present invention can be applied to all other storage shelf devices such as a small showcase, a commercial showcase, and furniture.

The perspective view of the shelf apparatus by Embodiment 1 of this invention. Sectional drawing of the shelf apparatus by Embodiment 1 of this invention. Fig. 3 is a mounting view of the shelf device according to the first embodiment of the present invention. The perspective view of the shelf apparatus by Embodiment 2 of this invention. The perspective view of the shelf apparatus by Embodiment 2 of this invention. The perspective view of the shelf apparatus by Embodiment 3 of this invention. Sectional drawing of the exclusive temperature zone room part by Embodiment 4 of this invention. Sectional drawing of the door pocket part by Embodiment 5 of this invention. The side view of the refrigerator provided with the conventional shelf apparatus. The perspective view of the conventional shelf apparatus. Detailed view of a conventional shelf apparatus.

Explanation of symbols

  9 frames, 10 timing belts, 11 levers, 13 gears, 14 flat seats, 15 screw shafts, 16 moving plates, 17 legs, 18 shelves, 21 shelves.

Claims (9)

A shelf, a hollow frame on which the shelf is placed, a timing belt having a rack shape in the frame, a lever provided on the timing belt and movable along the frame, and a timing belt A gear disposed on a rotation line and having an engaging portion that engages with the rack shape of the timing belt, a screw-shaped shaft provided on the gear, and a moving plate provided with a threaded hole and engaged with the shaft The movable plate is placed on a movable plate receiving portion provided in a refrigerator, and the timing belt is rotated by the lever to transmit power to the gear, the shaft, and the movable plate. The refrigerator provided with the shelf apparatus which enables the said frame to move to an up-down direction or a left-right direction by. 2. A refrigerator provided with a shelf device according to claim 1, wherein the gear and the shaft are integrally formed. The shelf apparatus according to claim 1 or 2, further comprising: a hole portion or a convex portion that is continuous with the timing belt at a predetermined interval, and a gear that has a convex portion or a hole portion that engages with the timing belt. refrigerator. The refrigerator with the shelf device according to any one of claims 1 to 3, wherein the gear and the shaft are provided at at least two corners in the frame in which the timing belt rotates. A corner portion of the frame is extended to provide an extension portion, a gear and a shaft are placed in the extension portion, and a groove portion is provided in the refrigerator in which the extension portion is embedded and movable. Item 5. A refrigerator including the shelf device according to any one of Items 1 to 4. The refrigerator according to any one of claims 1 to 5, wherein the shelf device is used as a member for closing a ceiling portion of a private room provided in the refrigerator. The refrigerator according to any one of claims 1 to 6, wherein the shelf device is used on a bottom surface of a door pocket provided on a door of the refrigerator. In the refrigerator having an open / close door that closes the front surface of the refrigerator and a partition wall that partitions the interior of the refrigerator into a plurality, the partition wall includes a hollow frame, a timing belt that forms a rack shape in the frame, and A lever provided on the timing belt and movable along the frame; a gear having an engaging portion disposed on a rotation line of the timing belt and engaged with a rack shape of the timing belt; and provided on the gear A screw-shaped shaft and a moving plate provided with a threaded hole and engaged with the shaft; and the moving plate is placed on a moving plate receiving portion provided in a refrigerator, and the timing belt is moved by the lever. The refrigerator is configured such that the partition wall can be moved in the up-down direction or the left-right direction by rotating power and transmitting power to the gear, the shaft, and the moving plate. 9. The frame is provided with a cold air intake port for taking in cold air from a cold air supply duct provided between an inner plate and an outer plate of the refrigerator, and a cold air outlet port for blowing the cold air into the refrigerator. The refrigerator provided with the shelf apparatus in any one of.

Images