JP2980823B2 - refrigerator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator mounted on a vehicle such as a home delivery service.

[0002]

2. Description of the Related Art For example, a conventional refrigerator mounted on a vehicle is shown in FIG. In this refrigerator, a box-shaped cabinet 1 having an opening provided on the front side of the upper surface is formed by assembling a plurality of panels, and a partition plate 2 is mounted in the cabinet 1 to form a refrigerator compartment 3 and a freezer compartment. 4 are defined on the left and right. In addition, refrigerator room 3
At the entrances 5 of the freezer compartment 4, lid plates 6, 6 which can swing open and close toward the back via hinges are respectively mounted, and at the back inside the compartments 3, 4. The cooling units 7 and 7 are housed respectively.

[0003]

However, in the conventional apparatus, since the cooling unit 7 is housed in a state of being suspended from the ceiling surface on the inner side of the refrigerator compartment 3 and the freezer compartment 4, the size of the housing is large. In spite of this, there was a disadvantage that the internal volume was small and the luggage could not be sufficiently stored. Further, the upper surface on the back side is to be used as the shelf 8, but that portion and the cover plate 6 are arranged on substantially the same plane, and when the cover plate 6 is opened, the cover plate 6 is placed on the shelf 8 Luggage that was easily damaged was difficult to store because it would lean directly on the luggage placed on top, and the actual situation was that it could not be fully utilized as a shelf.

In addition, the cooling unit 7 needs to be appropriately maintained. However, in the related art, there is a problem that the maintenance is difficult because the user has to open the cover plate 6 and enter the room to perform the operation.

The present invention has been completed based on the above circumstances, and the invention of claim 1 takes a large space for storing luggage in a cabinet.
It is an object of the present invention to provide a refrigerator in which the back side of the upper surface of a cabinet can be effectively used as a shelf. Another object of the present invention is to make it possible to perform maintenance of the cooling unit more easily.

[0006]

As a means for achieving the above object, the refrigerator according to the first aspect of the present invention has an opening and closing opening on the front side of the upper surface of the box-shaped cabinet.
A lid plate that can swing open and close toward the rear side is attached to the entrance and the rear side of the upper surface of the cabinet.
Is bulged upward, and the cooling unit is
Device space is provided for accommodating the
The feature is that the upper surface is formed in a planar shape .

A second aspect of the present invention is characterized in that, in the first aspect of the present invention, a structure is provided in which a portion on the back side of the upper surface of the cabinet is opened, and a shelf board is detachably attached to the opening. . A third aspect of the present invention is characterized in that, in the second aspect of the present invention, a tapered seating surface is formed at an edge of the opening.

[0008]

According to the first aspect of the present invention, a cooling unit is provided in a device space provided at a high position on the back side in the cabinet, and all other portions can be used as a space for storing luggage. When the lid plate is opened, by hitting the stepped portion on the upper surface of the cabinet, it is possible to prevent the baggage placed in the higher part on the back side from directly leaning.

According to the second aspect of the present invention, by removing the shelf, the cooling unit can be exposed to the outside through the opening. According to the third aspect of the present invention, when the shelf board is attached to the opening, the shelf board is attached while being applied to the tapered seating surface.

[0010]

According to the first aspect of the present invention, since the cooling unit can be stored in a high position on the back side in the cabinet, the space for storing luggage can be made large in the cabinet. In addition, if the cooling unit is provided on the back side of the flat ceiling surface as in the past, when considering the characteristic that cold air is likely to accumulate below, even in the cabinet that becomes the storage space for luggage, the cooling unit is located in front of the cooling unit. However, in the present invention, the cooling unit can be installed above the luggage storage space, so that the cool air can be spread throughout the storage space, A good cooling state can be obtained.

Further, since the back side of the upper surface of the cabinet is raised one step, it can be clearly recognized as a shelf on which luggage can be put intuitively. Moreover, when the lid is opened, there is no risk of leaning against the luggage placed on the shelf by hitting the stepped portion, so that even luggage that is easily damaged can be placed, and the shelf can be effectively used as a shelf. There is.

According to the second aspect of the present invention, in addition to the above-described effects, the cooling unit can be exposed to the outside by removing the shelf, and if necessary, can be easily taken out through the opening. Therefore, maintenance work can be easily performed. According to the third aspect of the present invention, in addition to the above-described effects, when the shelf plate is attached, the seat is well seated, and therefore, the attachment can be performed while maintaining the airtightness more favorably.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. 1 and 2, reference numeral 11 denotes a cabinet of a refrigerator mounted on a vehicle, which is provided with a box-shaped cabinet main body 12 having a raised upper portion on the back side and an open upper surface. On the stepped portion of the cabinet body 12, a front plate 13 provided with a receiving edge 14 of a lid plate 23 on a lower edge is stretched.

A partition plate 15 is inserted into the interior of the cabinet body 12 at a substantially central position in the width direction thereof, whereby the left side of the cabinet 11 in FIG. It is defined. In the lower surface on the near side of the upper surfaces of the refrigerator compartment 16 and the freezer compartment 17, an entrance 18 for taking in and out the baggage p is formed, and the upper part on the back side inside the compartments 16 and 17,
The device space 21 of the cooling unit 20 is provided.

At each of the entrances 18 of the refrigerator compartment 16 and the freezer compartment 17, a lid plate 23 is mounted via a hinge 24 so as to be able to swing open and close to the back. A seal member 25 that can be in contact with the rim of each entrance 18 is attached to the periphery of the lower surface of each lid plate 23.

In the above-mentioned device spaces 21, cooling units 20 are detachably accommodated. As shown in FIG. 3, the details of the housing structure are shown in FIG.
7 are projected sideways, and the device space 2
The vertical portion of the L-shaped bracket 28 is fixed to the upper end portions of the left and right side surfaces by bolts 29a, and both mounting plates 27 of the cooling unit 20 are placed on the corresponding horizontal portions of the bracket 28 and tightened by bolts 29b. As a result, it is detachably attached.

A single shelf board 31 covering the entire width is detachably attached to the opening 30 provided on the rear upper surface of the cabinet body 12. As shown in FIGS. 4 and 5, a tapered seat surface 32 with an inner side lowered is formed over the entire periphery of the edge of the opening 30. As shown in the drawing, one of the shelves 31 has a thin outer peripheral edge on its lower surface, and the opening 30
A contact surface 33 having a tapered shape is formed over the entire circumference so as to be aligned with the seat surface 32, and a packing 34 is mounted on the contact surface 33.

Nuts 36 are embedded in the front and rear edges of the opening 30 at six convenient locations, three each at the center and both ends in the longitudinal direction. In addition, at positions corresponding to the front and rear edges of the shelf 31,
Each mounting seat 37 is formed, and a bolt insertion hole 38 is formed on the bottom surface thereof. That is, when the shelf board 31 is put on the opening 30, the bolts 39 are passed through the respective insertion holes 38 and screwed into the nuts 36 on the lower surface, and the bolts 39 are tightened. 33
Is pressed against the seat surface 32 of the opening 30 so that the shelf board 31 can be attached while maintaining the airtight state.

This embodiment has the above structure, and its operation will be described below. The cooling unit 20
Since it is housed in the device space 21 provided at the higher part on the back side in each of the refrigerator compartment 16 and the freezer compartment 17,
It is possible to increase the space for storing the baggage p in the refrigerator compartment 16 and the freezer compartment 17. Further, since the cooling unit 20 is installed in a portion higher than the refrigerator compartment 16 and the freezer compartment 17, even in view of the characteristic that the cool air tends to accumulate below, the cool air is supplied to the entire area of the refrigerator compartment 16 and the freezer compartment 17. It can be spread evenly and a good cooling state can be obtained.

Further, since the back side of the upper surface of the cabinet 11 is formed one step higher and the shelf plate 31 is stretched there, it can be clearly recognized as a shelf on which the load p can be put intuitively. When the baggage p is taken in and out of the refrigerator compartment 16 or the freezer compartment 17, the lid 23 of the corresponding entrance 18 is opened.
As shown by the dashed line in FIG. 2, hitting the corner of the stepped portion on the upper surface of the cabinet 11 prevents further tilting,
There is no risk of leaning against the baggage p placed on the shelf 31. Therefore, even a baggage p that is easily damaged can be loaded and can be effectively used as a shelf.

When the maintenance of the cooling unit 20 is performed, each bolt 39 is loosened and the shelf board 31 is removed as shown in FIG. Then, the cooling unit 20 can be exposed to the outside through the opening 30, and
If necessary, attach cooling unit 20 to bracket 2
8 and can be taken out, that is, maintenance can be easily performed.

After the maintenance is completed, the shelf board 31 is again
Is attached to the opening 30.
Is provided with a tapered seating surface 32, and the tapered abutting surface 33 of the shelf 31 is fitted to the seating surface 32, so that it can be fitted comfortably. The nut 36 provided at the lip and the insertion hole 38 of the shelf 31 are easily aligned, so that the work of tightening the bolt 39, that is, the work of attaching the shelf 31 can be performed easily and quickly. . Further, the packing 34 is evenly crushed over the entire circumference, so that good airtightness is maintained.

<Other Embodiments> The present invention is not limited to the embodiments described above with reference to the drawings. For example, the following embodiments are also included in the technical scope of the present invention. In addition, various changes can be made without departing from the scope of the invention.

(1) In the above embodiment, the inside of the cabinet is 2
Although the case where the room is defined is illustrated, the invention can be similarly applied to a case where only one room is provided, or a case where three or more rooms are defined. (2) The present invention is not limited to refrigerators mounted on vehicles, but can be applied to other refrigerators in general.

[Brief description of the drawings]

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

FIG. 2 is a sectional view of the freezer compartment.

FIG. 3 is a partial sectional view showing details of a mounting structure of a cooling unit.

FIG. 4 is a sectional view showing a state where a shelf board is removed.

FIG. 5 is an enlarged cross-sectional view showing details of an attached portion of a shelf board.

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

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 ... Cabinet 18 ... Doorway (opening part) 16 ... Refrigerator room 17 ... Freezer room 20 ... Cooling unit 21 ... Equipment space 23 ... Lid plate 24 ... Hinge 30 ... Opening 31 ... Shelf plate 32 ... Seat surface 39 ... Bolt p ... Baggage

Continuation of front page (56) References JP-A-5-223440 (JP, A) JP-A-5-45039 (JP, A) JP-A-4-151479 (JP, A) , U) Actually open 56-56 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) F25D 19/00 F25D 19/02

Claims (3)

(57) [Claims] An entrance is opened at a front side of an upper surface of a box-shaped cabinet, and a lid plate capable of swinging and opening upward and backward is attached to the entrance, and a rear end of the upper surface of the cabinet is provided. Side bulges upwards, inside this bulge
Is provided with a device space to accommodate the cooling unit.
And a top surface of the bulging portion is formed in a flat shape . 2. The refrigerator according to claim 1, wherein an opening is provided on a rear side of an upper surface of the cabinet, and a shelf board is detachably attached to the opening. 3. The refrigerator according to claim 2, wherein a tapered seating surface is formed at an edge of the opening.