JP2001221549A - Cold storage cabinet for mobile vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cold storage cabinet for a mobile vehicle having a simple fixed structure at a low cost and being strong against a vibration or an oscillation. SOLUTION: Substantially L-shaped clamping fitments 18 are screwed and secured to a reinforcing plate 21 with mounting screws 22 via mounting holes 19 by using mounting holes 20 provided at both right and left side faces of a heat insulation case 13. The fitments 18 are screwed and secured to a front edge of a containing box 24 attached to the mobile vehicle or the like. Thus, even when the vibration or the oscillation of the vehicle is increased, the cabinet for the vehicle not having possibility of a movement or an overturn is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator for a mobile vehicle, and more particularly to an improved structure for fixing a refrigerator body.

[0002]

2. Description of the Related Art As a conventional refrigerator of this type, there is a refrigerator in which a refrigerator body is stored and fixed in a storage box installed in a moving vehicle such as a large truck.

Hereinafter, the above-mentioned conventional refrigerator will be described with reference to the drawings. FIG. 7 is an overall perspective view of a conventional refrigerator for a mobile vehicle. FIG. 8 is a sectional view of a main part in which a conventional refrigerator for a mobile vehicle is attached to a storage box. FIG. 9 is a sectional view including a product of a conventional jig for foaming a heat insulating material of a refrigerator for a mobile vehicle.

In FIGS. 7 to 9, a refrigerator body 1 is
The heat-insulating box 2 is mainly supported by a heat-insulating box 2 forming a refrigerating compartment and a pivotal member (eg, upper and lower hinges, some of which are not shown) provided on one side edge of the heat-insulating box 2. And a door 3 that opens and closes the front opening 2. A support member made of a metal plate, that is, a support frame 4 is integrally formed with the main body around the heat insulating box 2. Further, as shown in FIG. 8, the support frame 4 has a substantially U-shaped cross section.

[0005] The support frame 4 is provided with a mounting hole (not shown) for a mounting screw 5 and the front side (door side) of the support frame 4.
Is provided with a hole larger than the mounting screw 5 for allowing the mounting screw 5 to pass therethrough. On the other hand, reference numeral 6 denotes a storage box for a refrigerator installed in a moving vehicle or the like.
By screwing the support frame 4 to the front edge of the storage box 6, the refrigerator main body 1 can be fixed from the front.

Reference numeral 7 denotes a door packing containing a magnet. Further, the heat insulating material 8 of the heat insulating box 2 and the heat insulating material 9 of the door 3 are formed of an outer shell (a front material and a periphery of the cabinet and the door 3 of the heat insulating box 2) and a lining (an inner box and a door back). Polyurethane resin is injected into the space, foamed and fixed.

[0007]

However, in the fixing structure according to the above-mentioned conventional structure, it is necessary to provide the support frame 4 having a considerable strength over the entire periphery of the opening edge of the heat-insulating box 2, which is expensive. There was a problem of getting on.

[0008] Further, the refrigerator is different in form from a general household refrigerator, which occupies the majority, which significantly impairs productivity.

In particular, in the step of injecting and foaming the heat insulating material 8 of the heat insulating box 2, as shown in FIG. 9, a method of setting the opening of the heat insulating box 2 downward and injecting the polyurethane heat insulating material. As is customary, there is a drawback that the support frame 4 interferes each time when the heat-insulating box 2 is put into and taken out of the jig 10 of the product fixing formwork, so that the jig 11 is required.

The present invention solves the above-mentioned conventional problems. The present invention aims at reducing the cost of the fixing structure of the refrigerator body and maintaining the productivity of the foaming step of the heat insulating material. It is another object of the present invention to provide a refrigerator for a mobile vehicle in which a main body does not move or fall even when shaking is large.

[0011]

In order to achieve this object, in the refrigerator of the present invention, the refrigerator main body is screwed and fixed to the front edge of the storage box by fixing brackets provided on both right and left sides of the heat insulating box. is there.

Thus, the refrigerator main body can be fixed to the storage box in an inexpensive and simple manner while maintaining the productivity of the foaming step of the heat insulating material in the same form as that of the refrigerator for general households, and the vibration or shaking of the car can be achieved. Can prevent the refrigerator from being moved or overturned.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to a first aspect of the present invention is directed to a refrigerator body provided with an insulating box, a door for opening and closing a front opening of the insulating box, and the insulating box and the door. A fixing box provided on both left and right side surfaces of the heat insulating box, and a storage box configured to store the refrigerator body, expose the front surface of the door, and form the door to be openable and closable. The refrigerator main body is screwed and fixed to the front edge of the storage box. Insulation foaming can be performed by the same method as a general household refrigerator, and the fixing bracket is easily attached to the foamed heat insulation box. The refrigerator main body is fixed to the storage box, so that the main body is prevented from moving or falling even when the vibration or shaking of the car is large.

According to a second aspect of the present invention, in the first aspect of the present invention, the fixing bracket is formed in a substantially L-shape, and mounting holes provided on the right and left sides of the heat insulating box of the refrigerator body are used. Insulation material foaming can be performed by the same method as a general household refrigerator, and the fixing bracket is substantially L-shaped, so that the side of the heat-insulated box body and the front edge of the storage box after foaming can be simply and easily formed. It can be fixed inexpensively, and the main body is prevented from moving or falling even when the vibration or shaking of the car is large.

According to a third aspect of the present invention, in the first or the second aspect of the present invention, the mounting hole for each fixing bracket to the heat insulating box is formed to have a size from the upper surface or the lower surface of the heat insulating box. The dimensions are the same and the dimensions from the front of the heat-insulating box are also the same, and the fixing bracket can be used in common, so that it is possible to eliminate troublesomeness for the determination.

According to a fourth aspect of the present invention, in addition to the second or third aspect of the present invention, a reinforcing plate built and fixed on the side of the heat insulating material of the heat insulating box is provided, and the reinforcing plate is provided on the door. It is provided with a mounting hole that is co-tightened with the mounting hole of the hinge and the lower hinge and the mounting hole of the fixing bracket, so that the hinge and the fixing bracket can be mounted at the same time by a reinforcing component built in the main body.

According to a fifth aspect of the present invention, in the fourth aspect of the present invention, the reinforcing plate has a substantially L-shaped cross section and is separately disposed at an upper portion and a lower portion. The holes are provided with mounting holes for fixing brackets on the sides, the lower hinge plate is provided with mounting holes for the upper hinge of the door on the lower surface, and the mounting holes for fixing brackets are provided on the side surfaces. Attachment of hinges and fixtures becomes possible.

According to a sixth aspect of the present invention, in the invention of the fifth aspect, the positions of the mounting holes of the upper hinge and the lower hinge of the door and the mounting holes of the fixing bracket are symmetrical on the left and right sides of the heat insulating box. The refrigerator can be used in common even if the door opens right or left.

According to a seventh aspect of the present invention, in the sixth aspect, the dimensions of the mounting holes of the upper hinge and the lower hinge of the door and the mounting hole of the fixing bracket are set to the front, the left, the right, the upper and the lower, and the right and the left. The reinforcement plate can be shared between the right and left sides.

According to an eighth aspect of the present invention, in the second aspect of the present invention, at least two pairs of vertically symmetric mounting holes are provided in advance in the fixing bracket, and the fixing bracket is attached to the right side of the main body. And it can be shared on the left.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the refrigerator according to the present invention will be described below with reference to the drawings.

The same components as those of the prior art are denoted by the same reference numerals, and detailed description is omitted.

(Embodiment 1) FIG. 1 is an overall perspective view of a refrigerator for a mobile vehicle according to Embodiment 1 of the present invention. FIG. 2 is an overall perspective view of the bottom of the refrigerator for a mobile vehicle of the embodiment, as viewed from above. Figure 3 is a perspective view of attaching the refrigerator moving vehicle of the embodiment to the storage box. FIG. 4 is a perspective view of a main part of the refrigerator for a mobile vehicle of the embodiment. FIG. 5 is a perspective view of a reinforcing plate of the refrigerator for a mobile vehicle of the embodiment. FIG.
FIG. 2 is a side view of the refrigerator for a mobile vehicle of the embodiment.

1 to 6, reference numeral 12 denotes a refrigerator main body, which is mainly composed of a heat insulating box 13 forming a refrigerator compartment and a door 14 for opening and closing the front opening of the heat insulating box 13.
4 is an upper hinge 15 and a lower hinge 1 on one side edge of the heat insulating box 13.
6 supported by a pivot member. Reference numeral 17 denotes a lock plate having a mechanism for preventing the door from opening due to vibration, which is attached to the top surface of the heat-insulating box 13 opposite to the upper hinge 15 (the left side in FIG. 1). It is a metal fitting, and is attached to the mounting holes 20 provided on the upper and lower sides of the both sides of the heat insulating box 13 from the front via two pairs of mounting holes 19 provided symmetrically from the upper and lower ends.
Reference numeral 21 denotes a reinforcing plate having a substantially L-shaped cross section, which is fixed and welded to the back surface of the heat insulating material 8 at the four corners of the heat insulating box 13, and which fixes the fixing metal 18 through the mounting holes 19 and 20. And screwed together.

Also, the position of the mounting hole 20 is
The dimension from the front surface 13a is the same as the upper and lower sides (A and B in the drawing), and the opposite side not shown in the drawing is also the same. At the same time, the positions of the mounting holes 20 are the same in the dimensions from the upper corner 13b and the lower corner 13c of the main body (illustrated C), and the dimensions of the mounting holes of the upper hinge 15, the lower hinge 16 and the lock plate 17 are identical (illustrated C). ).

Therefore, the dimension from the front end of the reinforcing plate 21 incorporated in the heat-insulating box 13 to the mounting hole 23 (D in the drawing).
The dimensions (E in the figure) from the bent portion are also the same, and match the positions of the dimensions A and C on the heat insulating box 13 described above, respectively, in a state of being attached to the heat insulating box 13. For this reason, it can be commonly used for the upper right and lower left of the heat insulating box 13, or for the lower right and lower left depending on the structure. Even if the lower right and lower left reinforcing plates cannot be shared from the viewpoint of securing strength, the cross-sectional shape should be matched and the dimensions from the front end face to the mounting holes can be unified to ensure versatility of mounting.

On the L-shaped front surface of the fixing bracket 18, a pair of mounting holes 25 to the front edge of the storage box 24 for storing the refrigerator main body 12 are provided at vertically symmetric positions. A pair of mounting holes (not shown) are also provided on the front edge of the storage box 24 on the left, right, upper and lower sides, and the refrigerator main body 12 is configured to be fixed to the storage box 24 by the mounting screws 26 via the fixing bracket 18. With the refrigerator main body 12 stored in the storage box 24, the door 14 is operated to open and close the front opening of the refrigerator main body 12.

In the above-described configuration, the reinforcing plate 2 is attached to the storage box 24 for the refrigerator installed in the moving vehicle or the like by the mounting screw 22 through the mounting hole 19 of the fixing bracket.
By using 1 to fix the refrigerator body 12,
It is possible to provide a refrigerator that can prevent movement or tipping even when the vibration or shaking of the car is large.

On the other hand, in terms of production, since there is no support frame provided on the integral peripheral edge protruding from the refrigerator main body as shown in the conventional example, and it can be fixed after the foaming operation of the heat insulating material 8, the heat insulating material 8 can be fixed. The foaming step does not require a placing jig or the like, and can improve productivity.

Further, by fixing and standardizing the positions of the mounting holes 20 of the main body and the mounting holes 19 of the fixing metal from the reference plane, the fixing metal 18 can be shared and the cost can be reduced. Further, it is possible to eliminate troublesomeness for the determination.

Further, the dimensions of the mounting holes of the upper hinge 15 and the lower hinge 16 and the mounting hole 19 of the fixing bracket are set to be the same from the front surface of the main body and the left, right, upper and lower ridge lines, so that the reinforcing plate 21 built in the main body can be used. The reinforcement plate 21 can be used for both the right and left sides while having both functions of reinforcing the main body and fixing the upper hinge 15 and the lower hinge 16 and the fixing bracket 18.

Further, by making the mounting holes of the upper hinge 15 and the lower hinge 16 and the mounting hole of the fixing bracket 18 bilaterally symmetric, even if the opening direction of the door is right-handed or left-handed, the heat-insulating box 13 can be shared. Can be closed.

Since the mounting holes 19 of the fixing bracket are vertically symmetrical, the mounting holes 20 on the side surface of the heat insulating box 13 are formed.
In addition, if the lower side mounting holes 20 have a uniform size from the end face, the left and right sides and the upper and lower sides of the heat insulating box 13 can be shared.

[0034]

As described above, according to the first aspect of the present invention, the refrigerator main body is screwed and fixed to the front edge of the storage box by the fixing brackets provided on both right and left sides of the heat insulating box. Insulation can be foamed by the same method as refrigerators for general households, increasing productivity. Further, by attaching the fixing bracket to the foamed heat insulating box, the refrigerator main body is easily fixed to the storage box, and even if the vibration or shaking of the car becomes large, the main body can be prevented from moving or tipping over.

According to a second aspect of the present invention, in the first aspect of the present invention, the fixing bracket is formed in a substantially L-shape, and mounting holes provided on both right and left sides of the heat insulating box of the refrigerator body are used. Insulation material foaming can be performed by the same method as general household refrigerators, and the fixing bracket is approximately L-shaped, so the foamed heat insulation box side and storage box front edge can be easily and inexpensively fixed. It can be fixed, and the main body can be prevented from moving or falling even when the vibration or shaking of the car is large.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the mounting hole for each fixing metal fitting to the heat insulating box is formed to have a size from the upper surface or the lower surface of the heat insulating box. Since the dimensions are the same and the dimensions from the front of the heat-insulating box are also the same, fixing brackets can be used in common, and troublesomeness for discrimination can be eliminated.

According to a fourth aspect of the present invention, in addition to the second or third aspect of the present invention, a reinforcing plate which is incorporated and fixed on the side of the heat insulating material of the heat insulating box is provided, and the reinforcing plate is provided on the door. Since the mounting holes that are jointly fastened are provided in accordance with the mounting holes of the hinge and the lower hinge and the mounting holes of the fixing bracket, the hinge and the fixing bracket can be mounted simultaneously without requiring any additional reinforcing parts.

According to a fifth aspect of the present invention, in the invention of the fourth aspect, the reinforcing plate has a substantially L-shaped cross section and is separately disposed at an upper portion and a lower portion, and the upper hinge of the door is mounted on the upper surface of the upper reinforcing plate. The mounting holes for the fixing brackets are provided on the side surfaces, the mounting holes for the upper hinges on the door are provided on the lower surface of the lower reinforcing plate, and the mounting holes for the fixing brackets are provided on the side surfaces. Attachment of the fixing bracket becomes possible, and cost reduction can be achieved.

According to the invention described in claim 6, in the invention described in claim 5, the positions of the mounting holes of the upper hinge and the lower hinge of the door and the mounting holes of the fixing bracket are symmetrical on the left and right sides of the heat insulating box. The refrigerator body can be shared regardless of whether the opening direction of the door is right or left.

According to a seventh aspect of the present invention, in the invention according to the sixth aspect, the dimensions of the mounting holes of the upper hinge and the lower hinge of the door and the mounting holes of the fixing bracket are set to the front, the left, the right, the upper and the lower, and the right and the left. Since the ridge line is the same, the reinforcing plate can be shared between the right and left sides, and costs can be reduced.

According to an eighth aspect of the present invention, in the second aspect of the present invention, at least two pairs of vertically symmetric mounting holes are provided in advance in the fixing bracket, so that the fixing bracket is shared by the right and left. Cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a refrigerator for a mobile vehicle according to a first embodiment of the present invention.

FIG. 2 is a perspective view from the bottom of the mobile vehicle refrigerator of the embodiment.

FIG. 3 is a perspective view of the mobile vehicle refrigerator of the embodiment attached to a storage box.

FIG. 4 is a perspective view of a main part of the refrigerator for a mobile vehicle of the embodiment.

FIG. 5 is a perspective view of a reinforcing plate of the refrigerator for a mobile vehicle of the embodiment.

FIG. 6 is a side view of the refrigerator for a mobile vehicle of the embodiment.

FIG. 7 is a perspective view of a conventional refrigerator for a mobile vehicle.

FIG. 8 is a sectional view of a main part of a conventional refrigerator for a mobile vehicle.

FIG. 9 is a cross-sectional view of a conventional refrigerator for a mobile vehicle when a heat insulating material is foamed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 12 Refrigerator main body 13 Insulated box 14 Door 15 Upper hinge 16 Lower hinge 18 Fixing bracket 19, 20 Mounting hole 21 Reinforcement plate 22 Mounting screw 24 Storage box

Claims (8)

[Claims] 1. A heat insulating box body, a door for opening and closing the front opening of the heat-insulating main body, and a refrigerator body having a said door and said heat-insulating main body, a fixed provided on left and right sides of the heat-insulating main body And a storage box for storing the refrigerator body, exposing the front surface of the door and opening and closing the door, and fixing the refrigerator body to a front edge of the storage box by the fixing metal. A refrigerator for a mobile vehicle, comprising: 2. The fixing device according to claim 1, wherein the fixing bracket is formed in a substantially L-shape, and is screwed and fixed using mounting holes provided on both right and left sides of the heat insulating box of the refrigerator body. Refrigerator for moving vehicles. 3. A mounting hole for each fixing bracket to the heat insulating box body,
3. The refrigerator for a mobile vehicle according to claim 1, wherein the dimensions from the upper surface or the lower surface of the heat insulating box are the same, and the dimensions from the front surface of the heat insulating box are also the same. Wherein the reinforcing plate is provided with a built-fixed to the heat insulating material side of the insulating box body, the mounting is fastened to fit the mounting holes of the mounting holes and the fixing bracket on the hinge and the lower hinge of the door to the reinforcing plate 4. A hole is provided, wherein the hole is provided.
A refrigerator for a mobile vehicle according to claim 1. 5. The reinforcing plate has a substantially L-shaped cross section and is separately disposed at an upper portion and a lower portion. A mounting hole for an upper hinge of a door is provided on an upper surface of the upper reinforcing plate, and a mounting hole for a fixing bracket is provided on a side surface of the upper reinforcing plate. The refrigerator for a mobile vehicle according to claim 4, wherein a mounting hole for an upper hinge of the door is provided on a lower surface of the door and a mounting hole for a fixing bracket is provided on a side surface. 6. The movement according to claim 5, wherein the positions of the mounting holes of the upper hinge and the lower hinge of the door and the mounting hole of the fixing bracket are symmetrical on the left and right sides of the heat insulating box. Vehicle refrigerator. 7. The mounting hole of the upper hinge and the lower hinge of the door and the mounting hole of the fixing bracket have the same dimensions from the front and left, right, up and down ridges of the heat insulating box. Refrigerator for moving vehicles. 8. The refrigerator for a mobile vehicle according to claim 2, wherein at least two pairs of vertically symmetric mounting holes are provided in the fixing bracket in advance.