JP4243176B2 - Cooling storage - Google Patents

Description

  The present invention relates to a cooling storehouse in which a machine room is formed in a frame outside a heat insulation box and an electrical box is installed in the machine room.

  Conventionally, this kind of cooling storage is shown by the cooling storage which the applicant applied for earlier. That is, for example, the cooling storage has a machine room arranged side by side in the storage room, and a condenser of the cooling device, a blower for the condenser and the like are installed in the machine room. A mounting base fixed to the main body so that it can be pulled out forward is provided in the machine room, and a condenser, a condenser blower, and a compressor are sequentially arranged on the mounting base from the front. And the cooling box which stores the cooler which is not illustrated which constitutes the refrigerating cycle of a cooling device with a compressor, a condenser, etc. is located in the upper part of a machine room, and the electrical equipment box was provided in the front side (patent Reference 1).

JP-A-5-330046

  However, the mounting of the electrical box provided in the cooling storage can be carried out by fitting a front plate protruding a predetermined dimension around the front of the electrical box into the front frame provided on the front side of the machine room, the front plate of the electrical box and the front frame of the machine room. Was fixed with screws, but the rear part of the electrical box was not fixed. Since this electrical box was fixed only at the front, it was in an unstable state in which the rear moved up and down. For this reason, there is a problem that when the lifting occurs at the rear part of the electrical box, the electrical box is shaken up and down to generate vibration, noise, and the like.

  That is, the cooling storage of the present invention comprises a machine room in a frame outside the heat insulation box, and an electrical equipment box is installed in the machine room, and is formed with flanges protruding from both upper sides of the electrical equipment box. And a pair of fixing members provided in the front and rear sides of the frame on both sides of the upper part of the machine room, each fixing member being positioned at the rear and projecting inward from the frame, and the rear holding side Projecting inward from the frame on the front side of the rear holding side, having a predetermined interval in the height direction from the rear holding side, and having a front holding side located on the lower side, each between the front and rear holding sides of each fixing member The electrical box is suspended from the frame by inserting a flange.

In addition to claim 1, the cooling storage of the invention of claim 2 is characterized in that the front end of the electrical box is screwed to the frame.

  According to the present invention, a machine room is configured in a frame outside the heat insulation box body, and in a cooling storehouse in which the electrical equipment box is installed in the machine room, flanges that are formed to protrude on both upper sides of the electrical equipment box, and the machine room A pair of fixing members provided on both sides of the upper and lower frames, each fixing member being positioned at the rear and projecting inward from the frame, and a frame on the front side of the rear holding side It has a front holding side that protrudes inward and has a predetermined interval in the height direction from the rear holding side and is positioned on the lower side, and each flange is inserted between the front and rear holding sides of each fixing member. Since the electrical box is suspended from the frame, the electrical box can be prevented from falling by the front holding side of the fixing member, and the rear part of the electrical box can be prevented from being lifted by the rear holding side. Thereby, the attachment workability | operativity of an electrical equipment box improves remarkably.

According to the invention of claim 2, in addition to the above, the front end of the electrical box is screwed to the frame, so that the front of the electrical box can be securely fixed.

  The present invention is characterized in that the vibration and noise of the electrical box are effectively suppressed by inserting the flange of the electrical box substantially tightly in the interval between the front and rear holding sides. The purpose of effectively suppressing vibration and noise of the electrical box was realized by providing a pair of fixing members on the frames on both sides of the upper part of the machine room and providing flanges on the electrical box.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view of an undercounter refrigerator 1 as an embodiment of a cooling storage according to the present invention, FIG. 2 is a perspective view of the refrigerator 1 showing an arrangement relationship between a frame 52 and a heat insulating box 50, and FIG. FIG. 4 is a cross-sectional view taken along the line AA of FIG. 1, FIG. 5 is an enlarged view of the main part of FIG. 4, and FIG. 6 is a cross-sectional view taken along the line BB of FIG. FIG.

  In each figure, 3 is a heat insulation door which closes | closes the front opening of the heat insulation box 50 which forms the storage chamber which is not shown in figure inside, and 4 is a top table. Reference numeral 5 denotes a main body of the refrigerator 1, which includes the heat insulating box 50, the machine room 2, the top table 4, and the like. A frame 52 is provided on the side of the heat insulating box 50 which is the side of the storage chamber, and the machine room 2 is provided in the frame 52. The machine room 2 is located on the lower side of the top table 4 and opens to the front and lower surfaces. The front opening of the machine room 2 is closed so as to be openable and closable by a horizontally-opening grill 7 that is pivotally supported around a left and right upper hinge 6.

  A mounting base 8 fixed to the main body 5 so as to be able to be pulled out forward is provided on the frame 52 in the machine room 2. A condenser 9, a condenser blower 11, The compressors 12 are sequentially arranged. The condenser blower 11 rotates and sucks air from the condenser 9 side and discharges it to the compressor 12 side. A wind direction plate 13 is attached to the right and left and the upper side of the condenser blower 11 and the condenser 9. Yes. The wind direction plate 13 is opened forward and backward, the left and right front end portions are expanded stepwise and located at the front opening edge of the machine room 2, and the upper front end portion is bent upward. A wind direction plate 13 </ b> A standing at the lower edge of the opening of the machine room 2 is attached to the front end of the mounting base 8.

  In the upper part of the machine room 2 is located a cooling box 16 for housing a cooler (not shown) that constitutes the refrigeration cycle of the cooling device together with the compressor 12, the condenser 9 and the like. 20 etc. are attached.

  On the other hand, an air inlet 21 is formed in the lower portion of the grill 7 in front of the condenser 9, and a louver 22 is attached to the air inlet 21 from the inside. The left and right sides and the lower side of the peripheral frame portion 22A of the louver 22 project rearward and then bend inwardly to form a frame shape. And the accommodating part 14 opened upwards is comprised.

  A rectangular filter 24 is detachably attached in the storage portion 14. This filter 24 is held at the peripheral frame portion 22A of the louver 22 at the left and right and lower edges, and the grill 7 is positioned in front of the condenser 9 with the opening of the machine chamber 2 closed. The area (particularly the width dimension) of the filter 24 is larger than the area on the intake side of the condenser 9.

  Further, since the storage portion 14 is opened upward, the filter 24 can be pulled out upward with the grill 7 opened as shown in FIG. In particular, if the grill 7 is opened, the filter 24 is also separated from the machine room 2, so that the transformer 20 and the like do not get in the way. Therefore, when the filter 24 is cleaned and replaced, the filter 24 is pulled out and removed as shown by the white arrow in FIG. 3, and the cleaned filter 24 or a new filter 24 is inserted into the storage unit 14 from above. Insert it.

  A series of sealing materials 27 are attached to the front surfaces of the wind direction plates 13 and 13A (note that the sealing material 27 is omitted in FIG. 3). The sealing material 27 is located around the intake side of the condenser 9 and abuts against the rear surface of the peripheral frame portion 22A of the louver 22 with the grill 7 closed. As a result, the periphery of the grill 7 and the wind direction plates 13 and 13A is blocked by the sealing material 27, and a duct 28 extending from the air inlet 21 to the condenser 9 is formed.

  Note that, at the upper edge of the duct 28, the sealing material 27 is in contact with or close to the filter 24, not the peripheral frame portion 22A, and closes the space therebetween. Reference numeral 29 denotes a catcher which is attached to the front edge of the wind direction plate 13 and holds the grill 7 in a closed state. An engagement groove 30 is provided at the rear end of the mounting base 8, and a stopper 33 provided in the frame 52 is inserted into the engagement groove 30. The stopper 33 prevents the rear end of the mounting base 8 from floating and suppresses vibration and noise caused by the rear end floating of the mounting base 8.

  On the other hand, the electrical box 17 is provided with a flange 18, which can be inserted between the front and rear holding sides 56 and 57 provided on the frame 52, which will be described later, and between the front and rear holding sides 66 and 67. It has a unique shape. The flange 18 is provided from the front part to the rear part of the electrical box 17 and extends in a direction away from the upper side of the electrical box 17 by a predetermined dimension. Both flanges 18 are made of steel plates having a predetermined thickness, and have a strength capable of suspending the electrical equipment box 17. The electrical box 17 is provided with a fixed plate 17A. The fixed plate 17A is provided at the front end of the electrical box 17 and extends upward by a predetermined dimension.

  As shown in FIG. 7, the frame 52 is provided at the four corners and extends in the front and rear left and right sides 53AL and right and left and right sides 53AR, and is provided in the front and rear and the left and right sides 53B. It is configured by a vertically long, substantially rectangular frame 53 formed of upper and lower sides 53 </ b> C that are provided before and after the left edge and extend vertically. Since the right side of the frame 52 is fixed to the heat insulating box 50, the upper and lower sides are not provided on the front and rear sides extending right and left.

  The frame 52 is provided with a pair of fixing members 54, 64 extending in the front-rear direction. The fixing members 54, 64 are the left front-rear side 53 AL and the right front-rear side 53 AR provided on the upper left and right sides of the frame 52. It is fixed to each. One fixing member 54 (left side in the figure) is located at the rear and protrudes inward from the frame 52 (projects toward the other fixing member 64), and a frame on the front side of the rear holding side 57. 52 has a front holding side 56 that protrudes inwardly (projects toward the other fixing member 64) and is positioned below the rear holding side 57 at a predetermined interval in the height direction. . The other fixing member 64 is located at the rear and protrudes inward from the frame 52 (projects toward the one fixing member 54), and the inner side of the frame 52 on the front side of the rear holding side 67. And a front holding side 66 located below the rear holding side 67 at a predetermined interval in the height direction.

  That is, the fixing member 54 fixed to the left front / rear side 53AL of the frame 52 is continuous with the left fixed side 55 for fixing the fixing member 54 to the left front / rear side 53AL as shown in FIG. The front holding side 56 is provided at a substantially right angle and is bent to the other fixing member 54 side, and the rear holding side 57 is provided. The front holding side 56 and the rear holding side 57 are arranged in a state where the front holding side 56 and the rear holding side 57 are located on the lower side and the left fixed side 55 is fixed to the left front and rear side 53AL of the frame 52. A predetermined dimension extends in the direction. The front holding side 56 and the rear holding side 57 are provided at a predetermined interval in the front-rear direction, and thereby the front holding side 56 and the rear holding side 57 are easily bent.

  Further, the front holding side 56 and the rear holding side 57 provided on the fixing member 54 in the front-rear direction are formed so that the front holding side 56 is longer than the rear holding side 57. As shown in FIG. 9, the front holding side 56 is separated from the rear holding side 57 by the thickness dimension of the flange 18 of the electrical box 17. The flange 18 of the electrical box 17 can be inserted and held in the vertical gap between the front holding side 56 and the rear holding side 57.

  Further, as shown in FIG. 10, the left fixed side 55 is provided with a bolt hole 55 </ b> A for fixing to the left front and rear side 53 </ b> AL of the frame 52. Two bolt holes 55 </ b> A are provided at predetermined intervals in the longitudinal direction of the left fixed side 55. Then, with the end portion (front holding side 56 side) of the fixing member 54 substantially aligned with the left and right sides 53B of the front portion of the frame 52, a bolt (not shown) is inserted into the bolt hole 55A, and the left and right front sides 53AL of the frame 52 are inserted. The fixing member 54 is fixed. The bolt holes 55A provided in the left fixed side 55 are not limited to two places, and three or four places may be provided. In this case, the fixing strength can be increased by fixing the fixing member 54 to the left front-rear side 53AL of the frame 52 using the numerous bolt holes 55A provided in the left fixed side 55.

  Further, the fixing member 64 fixed to the right front and rear side 53AR of the frame 52 is bent in the reverse direction of the bending direction of the front holding side 56 and the rear holding side 57 provided on the left fixed side 55 of the fixing member 54. As shown in FIG. 11, the right fixed side 65 for fixing the fixing member 64 to the right front and rear side 53AR, and the right fixed side 65, which is provided continuously to the right fixed side 65, is folded substantially perpendicularly to one fixing member 64 side. A bent front holding side 66 and a rear holding side 67 are provided. The front holding side 66 and the rear holding side 67 are arranged in the left front-rear side 53AL direction with the front holding side 66 and the rear holding side 67 facing down and the right fixed side 65 fixed to the right front and rear side 53AR of the frame 52. A predetermined dimension extends toward. The front holding side 66 and the rear holding side 67 have a predetermined interval in the front-rear direction, which makes it easier to bend the front holding side 66 and the rear holding side 67.

  Further, the front holding side 66 and the rear holding side 67 provided in the front-rear direction of the fixing member 64 are formed such that the front holding side 66 is longer than the rear holding side 67. As shown in FIG. 12, the front holding side 66 is separated from the rear holding side 67 by the thickness dimension of the flange 18 of the electrical box 17. The flange 18 of the electrical equipment box 17 can be held by the gap between the front holding side 66 and the rear holding side 67.

  Further, as shown in FIG. 13, the right fixed side 65 is provided with a bolt hole 65 </ b> A for fixing to the right front and rear side 53 </ b> AR of the frame 52. Two bolt holes 65 </ b> A are provided at predetermined intervals along the longitudinal direction of the right fixed side 65. Then, with the end (the rear holding side 67 side) of the fixing member 64 substantially aligned with the left and right sides 53B on the front side of the frame 52, bolts (not shown) are inserted into the bolt holes 65A, and the left front and rear sides 53AL of the frame 52 are inserted. The fixing member 64 is fixed to. The bolt holes 65A provided in the right fixed side 65 are not limited to two places, and may be provided in three places or four places. In this case, the fixing strength can be increased by fixing the fixing member 64 to the right front and rear side 53AR of the frame 52 using a large number of bolt holes 65A provided in the right fixing side 65.

  And after mounting each flange 18 extended in the direction spaced apart from the upper part both sides of the electrical equipment box 17 to the front holding sides 56 and 66 of each fixing member 54 and 64, the electrical equipment box 17 is attached to the frame 52. Move to the rear side. When the electrical box 17 is moved to the rear side of the frame 52, the front ends of the flanges 18 pass through the front holding sides 56 and 66 and reach the rear rear holding sides 57 and 67. In this case, since the front holding sides 56 and 66 are separated from the rear holding sides 57 and 67 in the vertical direction by the thickness of the flange 18, the flanges 18 placed on the front holding sides 56 and 66 are separated from each other. The lower sides of the rear holding sides 57 and 67 are moved to the rear side of the frame 52. In addition, the front holding sides 56 and 66 side end portions of the rear holding sides 57 and 67 are bent upward by a predetermined angle, and the flange 18 of the electrical box 17 is formed in front of the rear holding sides 57 and 67 by this inclined portion. It is possible to prevent the flanges 18 of the electrical box 17 from being caught at the ends of the holding sides 56 and 66 and to easily insert the flange 18 of the electrical equipment box 17 below the rear holding sides 57 and 67.

  The electrical box 17 is further moved to the rear side of the frame 52, and the fixing plate 17 </ b> A provided on the front side of the electrical box 17 is brought into contact with the left and right sides 53 </ b> B provided on the upper side of the frame 52. Then, screws 70 are inserted into screw holes (not shown) provided on the left and right sides 53B and screwed to be fixed. That is, the front end of the electrical box 17 is fixed to the frame 52 with screws 70. As a result, it is possible to suspend the electrical box 17 without rattling between the fixing members 54 and 64 (both front and rear holding sides 56, 57 and 66, 67) (FIG. 14).

  As described above, the flanges 18 of the electrical box 17 are inserted between the front and rear holding sides 56 and 57 of the fixing members 54 and 64 and the front and rear holding sides 66 and 67 in the vertical direction with almost no gap. At this time, the distance between the front and rear holding sides 56 and 57 and the front and rear holding sides 66 and 67 of the fixing members 54 and 64 is configured to be substantially the same as the thickness of the flange 18 of the electrical box 17. The flange 18 of the electrical equipment box 17 can be inserted into the gap between the sides 56 and 57 and the front and rear holding sides 66 and 67 without any substantial gap.

  In addition, since the front holding sides 56 and 66 are longer than the rear holding sides 57 and 67, the center of gravity of the electrical box 17 is held forward while the electrical box 17 is suspended from both the fixing members 54 and 64. It can be located on the sides 56 and 66 side. Thereby, it is possible to prevent the rear portion of the electrical equipment box 17 from drooping downward due to the weight of the electrical equipment box 17. Therefore, since it is possible to reliably prevent the flange 18 from vibrating due to a gap between the flange 18 on the rear side of the electrical box 17 and the rear holding sides 57 and 67, noise due to vibration of the electrical box 17 is effectively suppressed. be able to.

  In particular, the front holding sides 56 and 66 of the fixing members 54 and 64 can prevent the electrical box 17 from falling, and the rear holding sides 57 and 67 can prevent the rear of the electrical box 17 from being lifted. Thereby, the attachment workability | operativity of the electrical equipment box 17 can be improved significantly. Further, since the electrical box 17 is fixed to the frame 52 by both the fixing plate 17A and the flange 18, it is possible to prevent the backlash that the flange 18 of the electrical box 17 moves in the vertical direction. As a result, shaking and vibration of the electrical equipment box 17 can be reliably prevented.

It is a front view of the undercounter type refrigerator as an Example of the cooling storage of this invention. It is a perspective view of the refrigerator which shows the arrangement | positioning relationship between a flame | frame and a heat insulation box. It is a perspective view of the refrigerator of the machine room part of the state which opened the grill. It is the sectional view on the AA line of FIG. It is a principal part enlarged view of FIG. It is the BB sectional view taken on the line of FIG. It is a perspective view of a frame. It is a reverse view of the fixing member attached to the left side of a flame | frame. It is a front view of the fixing member of the same FIG. It is a side view of the fixing member of FIG. It is a reverse view of the fixing member attached to the right side of a flame | frame. It is a front view of the fixing member of FIG. It is a side view of the fixing member of the same FIG. It is a front view of the flame | frame of the state which suspended the electrical equipment box on the fixing member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Under counter type refrigerator 2 Machine room 5 Main body 9 Condenser 12 Compressor 17 Electrical box 17A Fixing plate 18 Flange 50 Thermal insulation box 52 Frame 53 Frame 53AL Left front and rear side 53AR Right front and rear side 53B Left and right side 53C Upper and lower side 54 Fixing member 55 Left fixed side 56 Front holding side 57 Rear holding side 64 Fixing member 65 Left fixed side 66 Front holding side 67 Rear holding side

Claims (2)

In a cooling storehouse comprising a machine room in a frame outside the heat insulation box and installing an electrical box in the machine room,
Flanges formed to protrude on both sides of the upper part of the electrical box;
A pair of fixing members provided across the frame on both sides of the upper part of the machine room, and
Each fixing member is positioned at the rear and protrudes inward from the frame and protrudes inward from the frame on the front side of the rear holding side, and has a predetermined height in the height direction from the rear holding side. Having a front holding side located on the lower side with a gap,
The electrical storage box is suspended from the frame by inserting the flanges between the front and rear holding sides of the fixing members. The cooling storage according to claim 1, wherein the front end of the electrical box is screwed to the frame .

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