CN201680664U

CN201680664U - Refrigerator

Info

Publication number: CN201680664U
Application number: CN2009202915601U
Authority: CN
Inventors: 武下正宪; 石川义亲
Original assignee: Toshiba Corp; Toshiba Consumer Electronics Holdings Corp; Toshiba Home Appliances Corp
Current assignee: Toshiba Corp; Toshiba Lifestyle Products and Services Corp
Priority date: 2009-02-04
Filing date: 2009-12-18
Publication date: 2010-12-22
Anticipated expiration: 2019-12-18
Also published as: JP2010181070A; JP5254067B2

Abstract

The utility model provides a refrigerator which can inhibit the reverse bending of a pulley with simple structure to ensure smooth pull-out and sliding actions of a container, and is characterized by being provided with a drawer-type door, a pair of left and right support frames, a guide rail and a sliding body, wherein the drawer-type door seals the opening at the front surface of a storeroom in a way of being openable, the pair of left and right support frames are fixed at the inner side of the storeroom of the door and used for maintaining a container; the guide rail is arranged at two sides of the storeroom in a way of spanning the forward and backward directions so as to support the support frames to slide; and the sliding body is arranged at the front part of the guide rail and supports the support frames, and the guide rail is provided with a limiting part for supporting the sliding body when the sliding body displaces.

Description

Refrigerator

Technical field

The utility model relates to a kind of door of drawer type that utilizes and takes out or put into the refrigerator of accepting container, relate to particularly that burden when pulling out container keeps securely so that the slip function can be not impaired refrigerator.

Background technology

In recent years, variation along with life, refrigerator has the tendency that strengthens the amount of accommodating, its form is provided with as follows more: be provided with the refrigerating chamber that reserve is accommodated the volume maximum at an upper portion thereof, be provided with in its underpart divide about on the width accommodate the less ice-making compartment of volumetric ratio and temperature is switched the chamber, its more by under the bottom be provided with vegetable compartment, be provided with refrigerating chamber at its foot.

Above-mentioned refrigerating chamber utilizes a near side shaft props up the peristome in front the door or the door of opposite opened to seal above-mentioned opening in the mode of rotating, for the ease of the taking-up of accommodating thing or put into operation, vegetable compartment and refrigerating chamber and ice-making compartment and temperature are switched the pattern of drawer type of fore-and-aft direction that the chamber is arranged to container is installed in the storeroom side of door mostly.

In the door container structure of the drawer type of refrigerator, as as shown in Figure 4 as the longitudinal section of drawer door, on the inner surface side of drawer door 51, be fixed with to storeroom inboard extend be used to keep container 52 about become a pair of bracing frame 53, this bracing frame 53 is configured to utilize

pulley

56,57 are free to slide along the guide rail 55 that is arranged on the storeroom both sides, thereby can with the switching of door 51 linkedly the opposite house container pull out action, also sealed gap between the bearing plane of drawer door 51 and storeroom main body side by the magnetic sealing strip that is arranged on drawer door 51 peripheries.

Then, the bracing frame 53 that is drawn out when opening the door supports its lower surface by near the pulley 57 that is set in place the peristome of the storeroom in the place ahead of above-mentioned guide rail, support the pulley 56 of the rear end that is installed in bracing frame 53 with the upper limb of guide rail 55, support by 2 of front and back keeps the state of pulling out, in order to bear this burden, for example shown in patent documentation 1, the mode that stiffener is set by the heat-barrier material side at the interior case that forms storeroom keeps intensity.

Patent documentation 1: No. 3573886 communique of Japan Patent

Yet, the door and the container that are drawn out have suitable weight, certainly this is also relevant with the amount of accommodating, therefore this weight is applied to as load near the axial region of the pulley the peristome that is arranged on above-mentioned storeroom, even thereby being provided with stiffener can worry still also that the axial region of pulley deforms and make door and container fall the curved (Write of Daoing れむ downwards).

Take place the contacting or become insufficient of pulley and guide rail when curved, thereby the sliding action when pulling out with accepting container 52 forms obstruction with engaging of bracing frame.In this case, though can strengthen the material thickness of stiffener, this not only can cause cost to rise, and the weight that also can produce refrigerator main body becomes big problem.

The utility model content

The utility model is conceived to this problem points, its purpose be to provide a kind of can be with simple structure, suppress the inclination of pulley at low cost, thereby keep container pull out sliding action refrigerator smoothly.

In order to reach above-mentioned purpose, of the present utility model being characterised in that has: the door of drawer type, with the front openings portion of mode closed storage room that can freely openable; The bracing frame of pair of right and left is fixed on this storeroom inboard, is used to keep container; Guide rail, across this guide rail of fore-and-aft direction ground configuration, this guide rail can support this bracing frame with being free to slide in above-mentioned storeroom both sides; And slide mass, being arranged on the anterior of this guide rail and supporting above-mentioned bracing frame, above-mentioned guide rail is provided with restriction portion, and this restriction portion supports above-mentioned slide mass when above-mentioned slide mass produces displacement.

By the utility model, though since very big accommodate load make the axial region of pulley produce curved, also can to suppress falling of pulley curved by being arranged on restriction portion on the guide rail, thus can with simple structure keep container to pull out sliding action smooth and easy.

Description of drawings

Fig. 1 shows the longitudinal section of the refrigerator of first embodiment of the present utility model.

Fig. 2 is the stereogram of rail sections of the storeroom of the drawer type door in Fig. 1.

Fig. 3 is the amplification view of seeing from frontal that is illustrated under the state of the container that is provided with drawer type on the rail portion of Fig. 2.

Fig. 4 is the longitudinal section of refrigerator storeroom of the guide rail structure of the general drawer type door of expression.

Wherein, description of reference numerals is as follows:

1 refrigerator main body

Case in 3

4 heat-barrier materials

7 vegetable compartment

11 vegetable compartment doors

12 containers

The 12a flange

13 bracing frames

The 13a flange

13b downside end difference

15 guide rails

15a installs recess

16 the 1st pulleys

17 the 2nd pulleys

The 17a rotating part

The 17b axial region

18 stiffeners

The 19a horizontal part

19b wall portion

The specific embodiment

Below, with reference to the accompanying drawings first embodiment of the present utility model is described.Fig. 1 is the longitudinal section of refrigerator 1, and the interior case 3 that is provided with by heat-barrier material 4 on the inboard of outer container 2 forms storage space, marks off a plurality of storerooms by thermal wall.The 5th, be configured in the refrigerating chamber on the top of main body, the hinge of the both sides by being arranged on front openings portion, with the mode that can freely rotate door with the pivotal support opposite opened, thus closed peristome.

Automatic ice-making chamber 6 that the volumetric ratio that is arranged side by side about the bottom of refrigerating chamber 5 marks off by thermal wall is less and not shown little refrigerating chamber.Its below is equipped with the vegetable compartment of accommodating vegetables etc., dispose the refrigerating chamber 8 of accommodating frozen food at foot, the cooler 9 and the fan 10 at the back side by being provided in above-mentioned vegetable compartment 7 provide cold air to each storeroom, thereby make the indoor set point of temperature that is cooled to of each chamber.

Consider that these storerooms beyond the above-mentioned refrigerating chamber 5 compare with refrigerating chamber that to accommodate volume less, and consider their height and position that is provided with,, these storerooms beyond the above-mentioned refrigerating chamber 5 are arranged to drawer door for the ease of user's use.

Wait on the periphery of inner surface side of door of front openings portion of each storeroom magnetic sealing strip is installed being configured in vegetable compartment 7, this magnetic sealing strip forms with soft synthetic resin, is in air-tight state in the storeroom thereby can make when closing.

Below, being example with vegetable compartment 7 describes for the structure of drawer type door.Fig. 2 is the stereogram that container 12 is in the support section under the state of pulling out, Fig. 3 is the longitudinal section as the frontal of this part, as shown in Figures 2 and 3, on the inner surface of the door of the front openings of having sealed vegetable compartment 7, be fixed with the bracing frame 13 of the pair of right and left of extending along the left and right sides sidewall of interior case 3 to the indoor.

This bracing frame 13 has flange 13a and below end difference 13b, this horizontal flanges 13a is formed by the upper edge of crossing over fore-and-aft direction, this below end difference 13b is that horizontal part and the snap-latch piece towards the below by the bottom that is positioned at this bracing frame forms, and the section of this bracing frame roughly is Japanese " コ " font.In addition, 14 is the small container of placing on the container 12.

Between the bracing

frame

13,13 about above-mentioned, keeping containing the container 12 of accommodating thing, the mode of maintenance is that the flange edge 12a that the open circumferential at the upper surface of this container 12 forms is fastened on the flange 13a of above-mentioned bracing frame.

The bracing frame 13 that has kept container 12 is being held in the mode of pulling out that can slide forwards, backwards by guide rail 15, and this guide rail 15 is configured in across fore-and-aft direction ground on the interior case 3 of sidewall of formation vegetable compartment 7.

Above-mentioned guide rail 15 is that the thicker synthetic resin material by injection molding forming constitutes, and it is fixed on the both sides inner surface of the interior case 3 that forms vegetable compartment 7 by symmetry, and towards the direction of the inside of vegetable compartment 7.The 1st pulley 16 that is installed in the rear portion of bracing frame 13 slides in guide rail 15, on the position of the front portion of guide rail 15, be fixed with the 2nd pulley 17, the 2nd pulley 17 is keeping the downside end difference 13b of bracing frame 13, and as the slide mass that bracing frame 13 is slided forwards, backwards.

The 2nd pulley 17 is formed by rotating part 17a, axial region 17b, this rotating part 17a engages with the downside end difference 13b of above-mentioned bracing frame 13, this axial region 17b props up this rotating part 17a via ball bearing (ball bearing) 17c axle, so that this rotating part 17a rotates freely, above-mentioned axial region 17b is entrenched in the installation recess of guide rail 15, and utilizes interior case 3 to be fixed on the screw of the stiffener 18 that is embedded in heat-barrier material 4 sides with bolt.

Then, leave slightly downwards apart from the position of axial region 17 and be provided with restriction portion, this restriction portion also is the surface of guide rail 15 of lower side that is positioned at the axial region 17b of the above-mentioned the 2nd pulley 17.This restriction portion forms protuberance 19 with the scope wideer than the diameter dimension of above-mentioned axial region 17b to the outstanding mode in indoor, thereby plays a role as the limiter that limits above-mentioned axial region 17b displacement downwards.

In addition, raised part 19 is formed by horizontal part 19a and the 19b of wall portion, and horizontal part 19a extends to the position that there is predetermined distance side apart from the 2nd pulley 17, and the 19b of wall portion is hung down downwards by the ora terminalis of horizontal part 19a indoor and forms.And the inclined plane that tilts towards interior case 3 side direction below that the above-mentioned wall 19b of portion forms also plays a role as rib.

Utilize said structure, open vegetable compartment 7 and with the vegetable compartment door under the situation that user's one layback goes out, the bracing frame 13 of having placed container 12 is forwards pulled out in the mode of sliding in guide rail 15.

When bracing frame 13 is drawn out to foremost, vegetable compartment door 11, bracing frame 13 and container 12 are supported in front and back 2 point-supported modes by above-mentioned the 2nd pulley 17 and the 1st pulley 16, the 2nd pulley 17 is positioned near the guide rail 15 of peristome of vegetable compartment 7, and particularly the 2nd pulley 17 has born very big load.

The load of this moment is applied on the axial region 17b via the downside end difference 13b of bracing frame 13, the rotating part 17a of the 2nd pulley 17, because the amount of accommodating in the container 12, axial region 17b can not bear this heavy burden, falls curved shown in double dot dash line among Fig. 3 like that downwards.

But, utilizing under the situation of the foregoing description, because the 19 couples of axial region 17b of protuberance as limiter that form below axial region 17b support, the curved axial region 17b that falls contacts with protuberance 19, thereby can prevent from further to fall curved.

And, even axial region 17b is in down curved state, because the rotating part 17b and the protuberance 19 of the 2nd pulley 17 are in the state of leaving, not contact, so can not hinder its spinning movement, bracing frame 13 on the 2nd pulley 17 can slide swimmingly, thereby action is pulled out or pushed to the power of the enough peaceful Chang Xiangtong of energy.

In addition, because the 19b of wall portion of raised part 19 forms towards interior case 3 side-lowers, even take place down to a greater degree under the curved situation at above-mentioned axial region 17b, also can prevent contacting of above-mentioned axial region 17b and rotating part 17a to greatest extent, thereby can under the prerequisite of not damaging the pulley function, keep sliding capability.

Further, thereby raised part 19 is given prominence to the restriction portion that becomes with the scope wideer than the diameter dimension of axial region 17b to the indoor, even load has caused the falling curved of axial region 17b of the 2nd pulley 17 and produced some skews on fore-and-aft direction owing to bear a heavy burden, also can stop axial region 17b reliably.

In addition, in the above-described embodiments, though the 2nd pulley 17 is formed by rotating part 17a and axial region 17b, has identical structure with the 1st pulley 16, but, particularly under the situation of non-rotary body, also can and guide rail 15 between use the reasonable resin-formed body of sliding to form this part.

In addition, in the various embodiments described above, to be illustrated as example at the container of the drawer type door in the vegetable compartment of refrigerator, but be not limited thereto, also can use it for the ice storage case in refrigerating chamber and the ice-making compartment, little refrigerating chamber and temperature and switch on other the structure of drawer type door container of storeroom such as chamber.

Claims

1. refrigerator is characterized in that having:

The door of drawer type is with the front openings portion of mode closed storage room that can freely openable;

The bracing frame of pair of right and left is fixed on this storeroom inboard, is used to keep container;

Guide rail, across this guide rail of fore-and-aft direction ground configuration, this guide rail can support this bracing frame with being free to slide in above-mentioned storeroom both sides; And

Slide mass is arranged on the anterior of this guide rail and supports above-mentioned bracing frame,

Above-mentioned guide rail is provided with restriction portion, and this restriction portion supports above-mentioned slide mass when above-mentioned slide mass produces displacement.

2. refrigerator as claimed in claim 1 is characterized in that,

Above-mentioned slide mass is formed by pulley, and this pulley has the rotating part that engages with above-mentioned bracing frame and this rotating part is carried out the axial region of axle,

Above-mentioned restriction portion be by separate with the below of above-mentioned axial region, protuberance side-prominent in storeroom forms.

3. refrigerator as claimed in claim 2 is characterized in that,

The raised part that is arranged on the guide pass of above-mentioned guide rail forms by horizontal part with from the wall portion that the ora terminalis of its indoor extends downwards, and this wall portion is formed by the inclined plane towards the below inclination of storage locular wall side direction.

4. refrigerator as claimed in claim 2 is characterized in that,

The width dimensions that is arranged on the raised part on the above-mentioned guide pass is bigger than the diameter dimension of the axial region of above-mentioned pulley.