JP3432180B2 - Storage door device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage door device. 2. Description of the Related Art The structure of a hot / cold serving car used in a hospital or the like will be described with reference to FIG. In this apparatus, the inside of a main body 100, which is an insulating box with open front and rear surfaces, is divided into right and left by an intermediate wall 101, and each is further divided by a heat insulating partition wall 102, and two storage chambers 103 are provided at both ends. , Two refrigerator compartments 104 are formed in the center,
This is a structure in which two pairs of left and right hot storage rooms 103 and cold storage rooms 104 are provided as a pair. And one tray 1
The hot food is kept warm and the cold food is kept cold by placing the hot and cold foods separately on the tray 05 and storing the tray 105 through the partition wall 102 so as to straddle the warming room 103 and the cold room 104. Each can be stored in a state. [0003] Here, the above-mentioned warm room 103 and cold room 1
04 is provided with an individual door 106. The door 106 of such a serving car is provided with a rectangular frame so that the inside can be seen well and heat insulation from outside air can be further ensured. A structure in which a glass plate 108 is double-fitted in the body 107 is used, and the structure is such that it is swingably opened and closed by a hinge 109 on one vertical edge side of the opening of each of the chambers 103 and 104. General. [0004] By the way, even with a serving car,
The glass plate 108 of the door 106 may be damaged,
At that time, it is necessary to refit a new glass plate 108. Conventionally, the door 106 was completed by completely assembling the four vertical and horizontal frames while fitting the glass plate 108, and the hinge 109 was attached to the door 106 again. In such a case, it is necessary to remove the entire door 106 from the hinge 109, and then separate the frame 107 to remove the glass plate 108, which is troublesome. SUMMARY OF THE INVENTION The present invention has been completed based on the above circumstances, and an object of the present invention is to provide a door device capable of easily replacing a window plate. According to a first aspect of the present invention, there is provided a door device for a storage, wherein one side edge of an opening of a storage room has a rectangular frame. In a case where a door having a window plate fitted therein is pivotally supported so as to be openable and closable, the frame body is integrally assembled with a frame forming three other sides excluding a shaft side, and the window plate is opened from the opening side. Can be inserted and removed, and connecting tools are fixed to both ends of the shaft-side frame, and each connecting tool is a protruding end of two opposing frames of the frames forming the three sides assembled. A hinge member rotatably supported by the opening of the storage chamber is detachably provided between the projecting end of the fitted frame of the connection tool and the connection tool. The feature is that it is configured to be fixed by. <Operation and effect of the invention><Invention of claim 1> At the time of assembling, after fitting the window plate into the frame constituting three sides, the connecting tools at both ends of the shaft side frame are connected to each other. Fit into the protruding end of the book frame. Subsequently, the hinge is fixed to the projecting ends of the two frames and the connecting tool together by a fastening member. By supporting the hinge on one side edge of the opening of the storage room, the door is opened and closed around the hinge. In the case where the window plate is damaged, when the fastening member is removed, the hinge is removed from the door, and at the same time, the frame on the shaft side is removed from the frame forming the three sides. A window board can be inserted and removed from the opening side.
The replacement of the window plate and the cleaning of the inside of the door frame can be easily performed. An embodiment in which the present invention is applied to a hot / cold serving car will be described below with reference to FIGS. 1 to 4.
As shown in FIG. 1, the hot / cold serving car includes a storage room main body 1 (hereinafter, simply referred to as a main body) having a rectangular box shape as a whole. The heat insulation material is filled, and it is comprised as the heat insulation box body which the front and back both sides opened. A caster 2 is provided on the bottom surface of the main body 1 and a machine room 3 is provided on the upper surface. The interior of the main body 1 is divided into two chambers on the left and right sides by an intermediate wall (not shown) which also serves as a duct for cooling air, and the two chambers on the left and right sides are slightly intermediate from the center in the width direction. At a position close to the wall side, a heat insulating partition wall 7 formed by stacking a plurality of unit partition walls 6 on the base 5 is formed. Thereby, the warming room 8 is provided outside the partition wall 7, and the cold room 9 having a slightly narrower opening than the warming room 8 is provided inside the partition wall 7.
Are respectively constituted by two. Here, two sets of adjacent warming room 8 and cold room 9 are formed in the left-right direction, and these are divided into front and rear, and a total of four sets of warm room 8 and cold room 9 are formed. I have. Further, tray receivers 10 are attached to the side walls of the pair of the warming room 8 and the cold room 9 in a plurality of stages. The tray 12 is formed of a synthetic resin or the like into a horizontally long rectangular shape, and a boundary portion 13 is provided at a position slightly closer to one side than a center portion of the horizontal width. Foods to be served in a cold state and foods to be served in a warm state to a wider side can be placed. That is, the tray 12 has the boundary portion 13 split between the upper and lower unit partition walls 6, and both ends are received by the tray receiver 10, and are accommodated in the pair of the warming room 8 and the refrigerating room 9. In the two trays 12, hot food is stored in a refrigerated state, and cold food is stored in a refrigerated state. [0010] Doorways 8 before and after each of the storage compartment 8 and the refrigerator compartment 9
A and 9A are each provided with a door, which will be described in detail below. The door 20A for the refrigerator compartment 8 is swingably supported on the left and right side edges of the opening of the main body 1, while the door 20B for the refrigerator compartment 9 is provided as the door 2 for the refrigerator compartment 8.
It is formed narrower than 0A, and is swingably supported at the center of the opening of the main body 1. When the door is described in common, it is referred to as a door 20. As shown in FIG. 2, the door 20 has a shaft-side vertical frame 21, a handle-side vertical frame 22, two upper and lower horizontal frames 23, and two window plates made of a transparent glass plate or a resin plate. 25. Further, a window packing 26 having a rectangular shape is provided, and the above-mentioned both window plates 25 are fitted into the window packing 26 at predetermined intervals in the thickness direction. The shaft-side vertical frame 21 and the two horizontal frames 23 are formed to have the same cross-sectional shape by extruding an aluminum material, and the above-mentioned window packing 26 is fitted on each inner surface. Fitting groove 28 is formed. Both ends of the shaft-side vertical frame 21 are cut at 45 degrees.
The horizontal frame 23 is cut at an end on the side connected to the vertical frame 21 at 45 degrees, while the opposite end is cut at a right angle, and only the inner corner is cut at 45 degrees. The vertical frame 22 on the handle side is formed wider than the frames 21 and 23 by extruding an aluminum material in the same manner, and the fitting groove 28 of the window packing 26 is formed on the inner surface. At the same time, a handle portion 29 is recessed at the center in the width direction on the front side. Both ends of the vertical frame 22 on the handle side are cut at right angles, and only the inner corners are cut at 45 degrees. Further, a rectangular magnet packing 3 is formed.
A mounting groove 32 for mounting the magnet packing 30 is formed on the back side of each of the frames 21, 22, and 23. In addition, two shaft-side connectors 34 for connecting the shaft-side vertical frame 21 and the horizontal frame 23 and two handle-side connections for connecting the handle-side vertical frame 22 and the horizontal frame 23. A tool 35, a pair of upper and lower hinges 37 and a spacer 38 are prepared. The door 20 is assembled as follows. First, the handle-side connector 3 is attached to both ends of the handle-side vertical frame 22.
5 is inserted and fixed with rivets 40, and then the horizontal frame 23 is inserted into the other end of the handle-side connection tool 35 and fixed with the rivets 40, as shown in FIG. A U-shaped frame 42 composed of 22 and two horizontal frames 23 is assembled. In addition, window packing 26
Two window plates 25 are fitted in the inside, and this is inserted into the U-shaped frame 42.
And inserted into the fitting groove 28 from the opening side. On the other hand, one end of the shaft-side connecting member 34 is inserted into both ends of the shaft-side vertical frame 21 and fixed with rivets to prepare. Then, the other end of the shaft-side connector 34 fixed to both ends of the vertical frame 21 is inserted into the horizontal frame 23 of the U-shaped frame 42, and the remaining one side edge of the window packing 26 is fitted into the fitting groove 28. . Subsequently, hinges 37 are applied to both upper and lower surfaces of the connection ends of the two horizontal frames 23 with the vertical frame 21 on the shaft side via spacers 38, respectively, and insertion holes opened in the hinges 37, the spacers 38 and the horizontal frame 23. By passing a screw 45 through the screw 44 and screwing it into a screw hole 46 of the shaft-side connector 34 and tightening it, a rectangular frame 48 into which the window plate 25 is double-fitted is inserted.
Are assembled, and the upper and lower hinges 37 are attached together. The mounting of the door 20 is completed by mounting the magnet packing 30 in the mounting groove 32 provided over the back surface of the rectangular frame 48. Each door 20 is supported as follows. Regarding the door 20A for the warming room 8, hinge pins (not shown) are protrudingly provided on the upper and lower surfaces on both left and right sides of the opening of the main body 1, and bearing holes for upper and lower hinges 37 attached to the door 20A. When the door 50A is fitted, the door 20A is connected to the entrance 8A of the warming room 8 as shown in FIG.
Can be opened and closed within a range of up to 270 degrees between the closed position and the position of the main body 1 wrapping around the side surface. If stoppers 52 made of an elastic material such as rubber are provided at the four corners of the side surface of the main body 1, the door 20 </ b> A
When the door is turned around and opened, the shaft-side portion of the frame body 48 hits the stopper 52, so that an impact force is not applied to the door 20A. As for the door 20B for the refrigerator compartment 9,
At the center of the opening of the main body 1, hinge pins (not shown) are juxtaposed and provided on both upper and lower surfaces thereof, and similarly, the door 20B is provided.
By fitting the bearing holes 50 of the upper and lower hinges 37 attached to the door 20B, the door 20B closes the entrance 9A of the refrigerator compartment 9 as shown in FIG.
It can be opened and closed within a maximum range of 180 degrees between the position overlapping with the surface of 0B. If the door 20B for the refrigerator compartment 9 is provided with stoppers 52 made of an elastic material at the upper and lower ends on the front side of the vertical frame 22 on the handle side, the door 20B is opened so as to overlap the adjacent door 20B. When the door 2 is closed, the stopper 52 is
The application of impact force to OB is avoided. Even with the above-described serving car, the window plate 2
5 may be cracked or broken, in which case the window plate 25 needs to be replaced. At this time, when the door 20 in which the window plate 25 to be replaced is opened, the hinge 37 is opened.
Is open to the outside. Then, when the screw 45 fixing the hinge 37 is loosened and removed, the door 2 is removed.
0 is removed from the hinge pin and the vertical frame 21
And the U-shaped frame 42 can be separated. That is, once the door 20 is removed, first remove the magnet packing 30,
Subsequently, as shown in FIG. 3, if the vertical frame 21 on the shaft side is pulled out and removed, the window plate 25 can be pulled out together with the window packing 26 using the opening side of the U-shaped frame 42. When the window plate 25 is replaced with a new one, the door 20 may be assembled in the same procedure as described above and supported so that it can be opened and closed. In the serving truck, foodstuffs and juice tend to adhere to the door 20, and if the foodstuffs and the juice enter the fitting portion around the window packing 26, it cannot be easily cleaned. In this regard, in this embodiment, even if the window plate 25 is not replaced, the door 20 is removed by the above-described procedure, separated into the shaft-side vertical frame 21 and the U-shaped frame 42, and the window plate 25 and the window packing 26 are removed. When it is removed, the fitting groove 28 in which the window packing 26 is fitted is opened and is divided, so that the inside of the fitting groove 28 can be easily and reliably cleaned. As described above, according to the present embodiment,
If the screw 45 to which the hinge 37 is attached is removed, the door 20
Can be removed from the shaft support portion, and the U-shaped frame 42 and the shaft-side vertical frame 21 can be separated, and the window packing 25 and the window plate 25 can be removed immediately after the shaft-side vertical frame 21 is removed. . That is, the window plate 25 can be easily replaced.
Further, if the window plate 25 is removed as described above, the fitting groove 28 provided inside the frame 48 and in which dirt easily accumulates is opened in a divided state, so that it is easy to clean all corners,
It is excellent in hygiene. <Other Embodiments> The present invention is not limited to the embodiments described above and illustrated in 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) The present invention can be widely applied not only to a hot / cold serving car, but also to a general storage having a door fitted with a fragile window plate such as a refrigerated showcase.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an external perspective view of a heating / cooling serving car according to an embodiment of the present invention. FIG. 2 is an exploded perspective view of a door. FIG. FIG. 4 is a schematic plan view showing an arrangement position of a stopper. FIG. 5 is a front view of a conventional example. [Description of References] 1. Main body 8: warming room 9: cold room 8A, 9A ... Doorway 20A, 20B ... Door 21 ... Vertical frame on shaft side 22 ... Vertical frame on handle side 23 ... Horizontal frame 25 ... Window plate 26 ... Window packing 34 ... Shaft side connection tool 37 ... Hinge 38 ... Spacer 42 ... U-shaped frame 44 ... insertion hole 45 ... screw 46 ...
Screw hole 48: Frame

Continuation of front page (72) Inventor Shinzo Kozuka 3-16 Hoshizaki Electric Co., Ltd., Sakaecho Minamikan, Toyoake City, Aichi Prefecture (56) References Shokai Sho 57-111984 (JP, U) Shokai Hei 3-63686 ( JP, U) JP-A 49-12074 (JP, U) JP-A 4-87989 (JP, U) JP-A 4-52632 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , (DB name) E06B 3/00-3/88 F25D 23/02

Claims (1)

(57) Claims: 1. A door having a window frame fitted in a rectangular frame is rotatably supported on one side edge of an opening of a storage room so as to be openable and closable. In the body, frames constituting the other three sides excluding the shaft side are integrally assembled so that the window plate can be inserted and removed from the opening side, and connecting tools are fixed to both ends of the shaft side frame. Each connecting tool can be fitted to the protruding ends of two opposing frames of the assembled frames forming the three sides, and is rotatably supported by the opening of the storage chamber. Wherein the hinge is fixed by a detachable fastening member over the projecting end of the frame fitted with the connecting tool and the connecting tool.