JP2012149791A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator equipped with a forward spar with an inexpensive and simple structure, which can be surely retained at a predetermined position.SOLUTION: The forward spar 20 covering a front side lower part of the refrigerator includes: a front part 21; a fitting part 22 to be inserted into a rear side of a lower front edge 5 of an inner box 2, the fitting part 22 being formed by bending an upper part of the front part 21 to a rear side and extending the bent part vertically upward; a bottom 23 formed on a rear side of a lower end of the front part 21; engagement pieces 25 each to be inserted into between a flange opening 11d of a side plate 10 and a circumference bead 4 of the inner box 2, the engagement pieces 25 being formed by being risen on a rear side than the front part 21 through stepped parts 24, on both sides of the front part 21, respectively; and engagement claws 27 which each engage to a lower part of a front flange 11 of the side plate 10 prepared at a front side lower part of the engagement piece 25. Here, engagement parts 6, 29 formed of notches are prepared at lower parts of a circumference flange 3 side of the inner box 2 or upper parts of the engagement piece 25 side of the forward spar 20, or both of them.

Description

  The present invention relates to a refrigerator, and more particularly to a front girder mounting structure provided at a lower part on the front side of a refrigerator body.

  The front girder attached to the front side lower part of the refrigerator body is easy to come off (fall down) from the refrigerator main body. It may enter the inside and impair the cooling function of the refrigerator. For this reason, when attaching the front girder to the refrigerator main body, various devices have been devised in order to prevent detachment (falling).

10 is a schematic perspective view of a conventional refrigerator, FIG. 11 is an exploded perspective view of the inner box, side plate and back plate of the refrigerator of FIG. 10, FIG. 12 is a sectional view taken along the line DD of FIG. 10, and FIG. FIG. 14 is a perspective view of the front girder of FIG.
The refrigerator body 1 includes an inner box 2 made of a resin molded product, a gate-type side plate 10 that is bent on a metal plate and attached to the outer periphery of the inner box 2, and a metal plate that is attached to the back side of the side plate 10. It consists of a back plate 13 and a door 14 for opening and closing the front opening of the refrigerator body 1.

  On the left and right side walls of the inner box 2 and on the outer periphery on the front side of the top plate, an outer peripheral flange 3 having an outer peripheral bead 4 projecting rearward in a gate shape is provided. Further, as shown in FIG. 13, the front flange 11a is formed on the left and right side walls of the side plate 10 and the inner periphery on the front side of the top plate by bending the inner side almost at right angles to form a front flange 11a, and then folded back into a hairpin shape on the outer side. The rear flange 11b is formed, and then the outer end of the rear flange 11b is extended to the back side along the inner wall surface of the side plate 10, and then the inner flange 11c is formed by bending the inner side again. A substantially U-shaped front flange 11 is provided that opens inward (hereinafter, a portion between the rear flange 11b and the back flange 11c is referred to as a flange opening portion 11d). A rear flange 12 is provided on the back side of the side plate 10.

  Reference numeral 15 denotes a bottom plate formed by bending a metal plate, and 16 is a pair of bottom beams. 20a is a front girder that is formed by bending a metal plate and covers the lower part of the front side of the refrigerator body 1. As shown in FIG. 14, the front part 21a and the bottom part 23a provided on the back side of the lower end thereof are substantially Each of the left and right ends of the front portion 21a is provided with a locking piece 25a that is higher than the front plate 21a, and the upper portion protrudes long (deeply) toward the back side. An aperture 26a is provided. Reference numeral 27a denotes a locking claw provided at the lower end on the front side of both locking pieces 25a.

  The gate-shaped side plate 10 is mounted on the inner box 2 configured as described above, and the outer peripheral bead 4 of the inner box 2 is placed in the flange opening portion 11d between the rear flange 11b and the rear flange 11c of the front flange 11 thereof. And the outer periphery of the back plate 13 made of a metal plate is inserted into the back flange 12 of the side plate 11 to cover the outer periphery of the inner box 2.

  Next, the bottom plate 15 is attached to the bottom surface of the inner box 2, and then the upper portion of the locking pieces 25 a provided at both ends of the front beam 20 a is inserted into the flange opening 11 d of the front flange 11 of the side plate 10. The throttle portion 26a is brought into contact with the back flange 11c, and the back side of the locking piece 25a is brought into contact with the tip portion of the bottom plate 15. At this time, the locking claw 27a provided on the front beam 20a is inserted and locked between the front flange 11a and the rear flange 11b of the front flange 11.

  Then, the bottom beam 16 is inserted on both sides of the lower surface of the bottom plate 15 so as to reach the rear flange 12 from the front flange 11 of the side plate 10, and the inner box 2 inserted into the flange opening 11 d of the front flange 11 of the side plate 10. A condensing pipe 30 is inserted between the front flange 11 c and the rear flange 11 c of the outer peripheral flange 3 of the outer peripheral flange 3, and a heat insulating material 31 is filled between the inner box 2, the side plate 11 and the rear plate 13. To do.

  Thus, in the conventional refrigerator, the outer peripheral flange 3 of the inner box 2 having the outer peripheral bead 4 is inserted into the flange opening 11d of the front flange 11 provided on the side plate 10 of the refrigerator main body 1, and the front girder 20a The throttle portion 26a of the locking piece 25a provided at the left and right ends is inserted, and the throttle portion 26a is brought into pressure contact with the rear flange 11c of the front flange 11, and is provided at the lower end on the front side of the locking piece 25a. The locking claw 27a is inserted and locked between the front flange 11a and the rear flange 11b of the front flange 11 to prevent the front girder 20a from coming off (falling down).

  There is a prior art document describing an invention substantially similar to the above prior art (see, for example, Patent Document 1).

Japanese Patent No. 3957563 (page 2-3, FIG. 11)

  In the conventional refrigerator, the locking piece 25a of the front girder 20a is provided with a throttle portion 26a that protrudes long (deeply) toward the back side, and this throttle portion 26a is provided in the flange opening 11d of the front flange 11 of the side plate 10. The inner flange 2 is inserted into the outer peripheral bead 4 of the outer peripheral flange 3 to press the inner flange 11c, and the locking claw 27a is interposed between the front flange 11a and the rear flange 11b of the front flange 11. The front girder 20a is prevented from coming off (falling down) by being inserted and locked.

  For this reason, it is troublesome to manufacture a mold for processing the front girder 20a, which requires a lot of man-hours and is expensive, and the narrowed portion 26a is connected to the rear flange 11c of the front flange 11 via the outer peripheral bead 4. Since the front girder 20a has to be rigid for pressure contact, it is difficult to reduce the thickness of the metal plate forming the front girder 20a and reduce the weight.

  Further, in order to fill the heat insulating material 31 between the inner box 2 and the side plate 10 and the back plate 13, the inner box 2 is piped into the outer peripheral bead 4 of the inner box 2 in the flange opening 11 d of the front flange 11 of the side plate 10. The condensing pipe 30 must be pressed against the flange opening 11d in order to prevent condensation on the front side opening of the refrigerator main body 1. For this reason, the outer peripheral flange 3 including the outer peripheral bead 4 of the inner box 2 and the condensation pipe 30 are condensed. The dimension combined with the outer diameter of the pipe 30 is larger than the dimension of the flange opening 11d of the front flange 11 and is a tight fit. As a result, the inner box 2 is pushed down to the back, the front girder 20a abutting against the inner box 2 is pushed back to make the front girder 20a easy to fall, and a step is formed between the rear flange 11b and the front girder 20a. It is likely to occur.

  Moreover, the front girder 20a is provided with the surface contact | abutted to the gasket arrange | positioned on the outer periphery of the door 14 which block | closes the front side opening part of the refrigerator main body 1, As mentioned above, the rear flange 11b, the front girder 20a, A gap between the surface and the gasket may occur due to the level difference between the two surfaces, and cooling may be hindered by sucking warm and moist air outside the refrigerator into the refrigerator through this gap. .

  The present invention has been made to solve the above-described problems, and has an object of providing a refrigerator including a front girder that can be securely held at a predetermined position with an inexpensive and simple structure. is there.

  The refrigerator according to the present invention is provided with an inner box provided with an outer peripheral flange having an outer peripheral bead on the front side outer periphery, and a front flange having a flange opening into which the outer peripheral flange of the inner box is inserted on the front side inner periphery. A side plate attached to the outer periphery of the inner box, a back plate attached to the back side of the side plate, and a front girder that covers a lower part on the front side, the front girder being a front part, an upper part of the front part Is fitted to the back side of the lower front edge of the inner box, the bottom part provided on the back side of the lower end of the front part, and the front side. A locking piece which is erected on the back side from the front surface part via a stepped part on both sides of the part, and is inserted between the flange opening of the side plate and the outer peripheral bead of the inner box, and the front side of the locking piece It is constituted by a locking claw provided at the lower part and locked to the lower part of the front flange of the side plate. Together with the inner box outer peripheral flange side lower or the previous digit engaging side top of, or is provided with a engaging portion consisting notch to both.

  According to the present invention, it is possible to obtain a refrigerator including a front girder that has a simple structure, can be reduced in weight, can be securely held at a low cost, and can be securely held in a predetermined position without falling off or falling down.

It is sectional drawing of the principal part of the refrigerator which concerns on one embodiment of this invention. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. It is a perspective view of the front beam of FIG. It is a perspective view which shows the principal part of the inner box and front girder of FIG. It is a perspective view which shows the state which mounted | wore the front girder with the inner box of FIG. It is CC sectional drawing of FIG. It is explanatory drawing which shows the state which provided the engaging part in the front girder or inner box of FIG. 5, and the front girder. It is explanatory drawing which shows the state which provided the chamfering part in the lower end part of the outer peripheral flange of an inner box. It is a typical perspective view of the conventional refrigerator. It is the perspective view which decomposed | disassembled the inner box of FIG. 10, a side plate, and the backplate. It is DD sectional drawing of FIG. It is EE sectional drawing of FIG. It is a perspective view of the front beam of FIG.

  1 is a cross-sectional view (corresponding to a DD cross section of FIG. 10) of a main part of a refrigerator according to an embodiment of the present invention, FIG. -B sectional view, FIG. 4 is a perspective view of the front girder of FIG. 1, and FIG. 5 is a perspective view of the inner box and main parts of the front girder of FIG. Since the refrigerator for carrying out the present invention has almost the same configuration as the conventional refrigerator shown in FIGS. 10 and 11 except for a part thereof, the reprint of the drawings is omitted, and is the same as the prior art described in FIGS. Or the same code | symbol is attached | subjected to the part of the same function.

  In the present embodiment, as shown in FIG. 4 (a), the front girder 20 attached to the lower part on the front side of the refrigerator body 1 is folded upward at the rear side and then extended upward. A front portion 21 having a portion 22, a locking piece 25 connected to both ends of the front portion 21 via a stepped portion 24, and standing up to a position higher than the fitting portion 22 on the back side from the front portion 21, The front surface portion 21 and the bottom surface portion 23 extending from the lower end portion of the locking piece 25 to the back surface side are formed in a substantially L shape.

  A restricting portion 26 is provided on the upper portion of the locking portion 25 so as to protrude slightly on the back surface side, and a locking claw 27 is provided on the front surface side of the lower end portion. As shown in FIG. 5, an engaging portion 6 made of a notch and opening downward is provided on the base side of the outer peripheral flange 3 of the inner box 2.

  In this Embodiment comprised as mentioned above, as shown in FIGS. 1-3, in the flange opening part 11d formed between the rear side flange 11b and the back side flange 11c of the front flange 11 of the side plate 10, it is. The outer peripheral flange 3 of the inner box 2 having the outer peripheral bead 4 is inserted, and the outer periphery of the back plate 13 is inserted into the rear flange 12 of the side plate 11, thereby covering the outer surface of the inner box 2. A bottom plate 15 is attached to the lower surface.

  Next, as shown in FIG. 5, the front girder 20 is positioned below the front side of the inner box 2 and pushed up, and as shown in FIGS. 6 and 7, the fitting portion 22 is moved to the lower front edge of the inner box 2. 5 and the engaging piece 25 is fitted into and engaged with the engaging portion 6 of the inner box 2.

  At this time, the locking piece 25 of the front girder 20 abuts on the back side of the rear flange 11b of the front flange 11 of the side plate 10, the throttle part 26 is located in the outer peripheral bead 4 of the inner box 2, and the locking piece 25 The back side of the abuts against the front end of the bottom plate 15. Further, the locking claw 27 provided on the front surface side of the lower end of the locking piece 25 is inserted between the front flange 11a and the rear flange 11b of the front flange 11 of the side plate 10 and locked.

  Next, bottom beams 16 are attached to both sides of the bottom plate 15 so as to reach the rear flange 12 from the front flange 11 of the side plate 10. Then, a condensation pipe 30 is inserted between the inner box 2 and the side plate 10 via the outer peripheral bead 4 of the inner box 2 inserted into the flange opening 11d of the side plate 10, and the inner box 2, the side plate 10 and the back plate 10 are connected. A heat insulating material 31 is filled with the face plate 13.

  In the present embodiment configured as described above, the outer peripheral flange 3 of the inner box 2 having the outer peripheral bead 4 is inserted into the flange opening 11d of the front flange 11 provided on the side plate 10, and the front girder 20 is The fitting portion 22 is inserted into the back side of the lower front edge portion 5 of the inner box 2, the locking piece 25 is engaged with the engaging portion 6 of the inner box 2, and the locking provided on the front girder 20 Since the claw 27 is inserted and locked between the front flange 11a and the rear flange 11b of the front flange 11 of the side plate 10, the front girder 20 is securely held at a predetermined position and may come off or fall down. Absent.

  Further, since the front beam 20 is provided with a shallow narrowed portion 26 or a bent portion 28 and disposed in the outer peripheral bead 4 of the inner box 2, it is not necessary to give the front beam 20 a large rigidity, For this reason, since a thin material can be used for the front girder 20, it is possible to obtain the front girder 20 that is easy to manufacture, inexpensive, and lightweight.

  Further, there is no gap between the gasket provided on the outer periphery of the front opening of the refrigerator main body 1 and the front girder 20, and there is no risk of outside air entering the inside of the refrigerator. The refrigerator which can be maintained and is more excellent in energy saving can be obtained.

  In the above description, the case where the shallow restricting portion 26 is provided in the locking piece 25 of the front beam 20 is shown. However, instead of the restricting portion 26, as shown in FIG. The bent portion 28 may be provided by bending the portion into an L shape, a J shape, or the like on the back side, and further, the narrowed portion 26 or the bent portion 28 may be omitted.

Moreover, as shown in FIG. 5, although the case where the engaging part 6 which consists of a notch opened downward was provided in the base part side of the outer peripheral flange 3 of the inner box 2 was shown, it replaced with this engaging part 6, As shown in FIG. 8 (a), an engaging portion 29 made of a notch opening upward is provided on the stepped portion 24 side of the locking piece 25 of the front beam 20, and the outer periphery of the inner box 2 is provided in this engaging portion 29. You may make it fit in the base part side of the flange 3. FIG.
Further, as shown in FIG. 8 (b), both the inner box 2 and the front girder 20 are provided with engaging portions 6, 29 made of notches, and these engaging portions 6, 29 may be fitted together. Good.

  Further, as shown in FIG. 9, the lower end portion of the outer peripheral flange 3 of the inner box 2 may be bent obliquely downward on the back side to form a chamfered portion 3a. Can be easily installed.

  DESCRIPTION OF SYMBOLS 1 Refrigerator main body, 2 Inner box, 3 Outer peripheral flange, 3a Chamfer part, 4 Outer peripheral bead, 5 Lower front edge part of inner box, 6 Engagement part, 10 Side plate, 11 Front flange, 11a Front flange, 11b Rear flange, 11c Back flange, 11d Flange opening, 12 Rear flange, 13 Back plate, 14 Door, 15 Bottom plate, 16 Bottom beam, 20 Front beam, 21 Front portion, 22 Fitting portion, 23 Bottom portion, 24 Step portion, 25 Locking piece, 26 restricting part, 27 locking claw, 28 bent part, 29 engaging part, 30 condensing pipe, 31 heat insulating material.

Claims (4)

An inner box provided with an outer peripheral flange having an outer peripheral bead on the outer periphery on the front side;
A front flange having a flange opening into which the outer peripheral flange of the inner box is inserted on the inner periphery of the front side, and a side plate mounted on the outer periphery of the inner box;
A back plate to be mounted on the back side of the side plate, and a front girder covering the front side lower portion,
The front girder is a front portion, a top portion of the front portion is bent to the back side and then extended upward, and the fitting portion is inserted into the back side of the lower front edge portion of the inner box. A bottom surface portion provided on the back side of the lower end portion, and is erected on the back side from the front surface portion via steps on both sides of the front surface portion, and is inserted between the flange opening portion of the side plate and the outer peripheral bead of the inner box. And a latching claw that is provided at a lower part on the front side of the latching piece and is latched to a lower part of the front flange of the side plate,
The refrigerator characterized by providing the engaging part which consists of a notch in the lower part by the side of the outer periphery flange of the said inner box, the upper part by the side of the latching piece of the said front girder, or both.   2. The refrigerator according to claim 1, wherein a narrowed portion protruding shallowly on the back side or a bent portion bent on the back side is provided on an upper portion of the locking piece of the front girder.   The refrigerator according to claim 1 or 2, wherein a chamfered portion is provided by bending the lower portion of the outer peripheral flange of the inner box obliquely downward on the back side.   The condensation pipe for filling a heat insulating material between the inner box and the side plate is inserted from the front flange of the side plate via the outer peripheral bead of the inner box. Refrigerator.

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