CN1240982C

CN1240982C - Drawer type refrigerator

Info

Publication number: CN1240982C
Application number: CNB001244957A
Authority: CN
Inventors: 姜镐述
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 1999-09-11
Filing date: 2000-09-11
Publication date: 2006-02-08
Anticipated expiration: 2020-09-11
Also published as: KR100377729B1; JP2001091152A; KR20010027227A; CN1288143A

Abstract

The invention provides a drawer type refrigerator to prevent a fall of a container due to the load of contents during release of a door. This refrigerator comprises a chamber having an extension groove 11a formed in the internal part of a rear wall; guide rails 12' formed on the walls on both sides of the chamber and extending to the long groove; a door formed integrally with a container stationarily situated in the chamber, and opening and closing the chamber in a drawing system; and door rails formed extending from both sides of the door to the rear of the chamber, and inserted in the guide rail and guiding opening and closing of the door.

Description

Drawer-type refrigerator

Technical field

The present invention relates to drawer-type refrigerator, more particularly, relate to following drawer-type refrigerator, when it is pulled out at the container that will accommodate heavy food, have toppling over of to prevent that refrigerator from forwards toppling over and prevent function.

Background technology

Different with common refrigerator, drawer-type refrigerator comprises at least 1 chamber, and the inside in this chamber is provided with the container of pulling out by the mode of pulling out.In addition, in above-mentioned chamber, pull out the door of container when being provided with chamber opening.

Therefore, above-mentioned refrigerator is a following manner, and promptly when placing food in the drawer-type refrigerator of such structure, pulling door and pull out container after the container of pulling out according to this mode is placed food, is closed door in the pushing mode.The refrigerator of this sample loading mode is as refrigeration special refrigerator or kimchi special refrigerator.

Below with reference to Fig. 1, the structure and the action of existing drawer-type refrigerator is described.

Existing drawer-type refrigerator is mainly by refrigerator main body,

container

16,26, and

door

15,25 formations, this refrigerator main body comprises first Room 10 on the top of taking care of food and second Room 20 of bottom, said vesse 16,26 is arranged at the inside of above-mentioned each

chamber

10,20, pull out by the mode of pulling out, the switching that above-mentioned

door

15,25 is realized above-mentioned

chamber

10,20,

container

16,26 is pulled out.Above-mentioned first Room 10 and second Room 20 are the part of preserved food products, and its madial wall is formed by inner casing 10a.

Shown in the above-mentioned figure, said vesse 16 constitutes according to the mode of pulling out with door 15.That is, owing to the both sides from door 15, inboard towards the chamber, extension is provided with door track, and above-mentioned door track 17 is connected with the side of said vesse 16, constitutes so in the following manner, this mode is: if open door 15 in the pulling mode, just should pull out towards the place ahead with said vesse 16.

In addition, in the rearward end of each door track 17, be provided with a roller 17a.Above-mentioned door roller 17a is by 12 supportings of the guide rail on the two side that is installed in the interior case 10a in the chamber 10.In addition, at the front part of above-mentioned guide rail 12, be respectively arranged with guide roller 12a.

Because above-mentioned door track 17 is relative " コ " shape mutually with guide rail 12, the mode that so corresponding door roller 17a and guide roller 12a can directly be accommodated in its inner state lower support constitutes.That is, be arranged at the door roller 17a of rearward end of door track 17 at the state support that is inserted into guide rail 12 inside on two sidewalls that are installed on chamber 10.Therefore, if pull out or be pressed into door 15, then above-mentioned door roller 17a with the contacted state of inboard end face or bottom surface of guide rail 12 under rotate, produce simultaneously and move.

In addition, be arranged at the reveal of two sidewalls of chamber 10, rotatably the door roller 12a of supporting is by door track 17 supportings.Therefore, pulling out door at 15 o'clock, the top side face of above-mentioned door track 17 contacts with above-mentioned guide roller 12a, because door track 17 is mobile, above-mentioned guide roller 12a realizes rotating.Only the drawer structure of the container in first Room 10 16 with door 15 is described above, but the drawer structure of container 26 in second Room 20 and door 25 also is identical.

In the occasion of the existing drawer-type refrigerator that constitutes in the manner described above,, or,, just said vesse 16,26 is pulled out by towards the above-mentioned

door

15,25 of the place ahead pulling with the food taking-up of being taken care of for keeping food in

chamber

10,20.

But above-mentioned so existing drawer-type refrigerator has following problem.Taking care of in the heavy occasion of food of the inside of said vesse 16, if pull out above-mentioned 15, or under the state of opening door 15, hand door 15 towards the place ahead, apply power towards the below, then refrigerator can tilt towards the place ahead or refrigerator is toppled over.

In this occasion, if pull out the container 16 of certain loading (mg), then along with the moving of the mass centre of container 16 and door 15, in refrigerator according to certain distance (d), generation is the moment (M) of pivot with the guide roller, the power that generation can make refrigerator topple over towards the place ahead.Above-mentioned moment of toppling over (M) is calculated according to following " mathematical formulae 1 ", and the loading of container 16 (mg) is big more, and pull out the distance (d) big more, then above-mentioned moment is big more, this mathematical formulae 1 is:

M＝mgd

On the other hand, prevent the moment of reaction that power that above-mentioned refrigerator is toppled over towards the place ahead refers to the reaction of the moment (M) by above-mentioned refrigerator is toppled over towards the place ahead and produce (M ') and the whole loading of refrigerator.

If represent the power of the door roller 17a of the chamber side end in the door track 17 with the supporting of above-mentioned guide rail 12 belows with F, represent following distance with L, this distance refers to by above-mentioned guide rail 12 supportings, distance between the above-mentioned guide roller 12a of the effect of the door roller 17a of realization point action and the pivot of the above-mentioned moment of realization (M), then the moment of reaction that produces owing to the reaction of above-mentioned moment of toppling over (M) (M ') calculates according to following mathematical formulae 2, and this mathematical formulae 2 is:

M’＝FL

So, the distance (L) if whole loadings of refrigerator one regularly, then only extend between above-mentioned door roller 17a and the guide roller 12a, or strengthen the power (F) that acts on from the below on the end door roller 17a of above-mentioned door track 17, just refrigerator is toppled over.But, since the below support the door roller 17a in the above-mentioned door track 17 guide rail 12 power (F) by the loading of container 16 with pull out distance and determine, so, can only reduce the weight of the placement thing that is positioned in the container 16 in order to prevent that refrigerator from toppling over.

Summary of the invention

Therefore, the present invention proposes for addressing the above problem.The object of the present invention is to provide a kind of drawer-type refrigerator, in this drawer-type refrigerator, pull out owing to will accommodate the container of heavy food, when generation makes refrigerator towards the moment that topples in the place ahead, making increases with the corresponding moment of reaction of this moment, thereby can prevent that refrigerator from toppling over.

To achieve these goals, of the present invention have prevent that the drawer-type refrigerator of toppling over performance from comprising: the chamber is formed with the prolongation groove on its rear wall; First guide rail, the inside that it is connected to the side of described chamber and extends to described prolongation groove; Guide roller on the end of described first guide rail; The door of drawer type has the container that is integrally formed on the described door; Second guide rail, the end that it is connected to the side of described door and extends to described container; And the door roller on the end of described second guide rail.

The present invention also provides a kind of drawer-type refrigerator that prevents to topple over performance that has, and comprising: the chamber, and its inside at rear wall is formed with the prolongation groove; Guide rail, it extends to the inside of above-mentioned prolongation groove in the two side walls of above-mentioned chamber; Door, it opens and closes above-mentioned chamber by push-pull fashion, and this forms one with the container that is arranged at above-mentioned chamber interior; Door track, it extends to the rear of above-mentioned chamber from the both sides of above-mentioned door, inserts above-mentioned guide rail, and the switching of above-mentioned door is led.

In addition, the invention is characterized in that above-mentioned door track extends setting corresponding to above-mentioned guide rail, in the occasion of closing the door, above-mentioned door track is inserted into the inside of above-mentioned prolongation groove along above-mentioned guide rail.

Feature according to the invention described above, because the length of door track prolongs, when door was forwards pulled out, following distance prolonged, and this distance refers to be arranged at the distance between the guide roller of function of the door roller of end of above-mentioned door track and the pivot that realization acts on the moment on the refrigerator.So, have following advantage, promptly,, under the situation that the mass centre of refrigerator moves towards the place ahead, can prevent that still refrigerator from toppling over towards the place ahead even pull out at Yin Men like this because the corresponding moment of reaction of moment that refrigerator is toppled over towards the place ahead increases.In addition, because when closing, the door track of above-mentioned prolongation does not counteract the rear wall of above-mentioned chamber, it is inserted in the prolongation groove of above-mentioned chamber, can be fully with above-mentioned chamber locking.

Description of drawings

Fig. 1 is the schematic cross sectional views of the structure of the existing drawer-type refrigerator of expression;

Fig. 2 is of the present invention for expression, has the schematic cross sectional views of the drawer-type refrigerator that prevents to topple over performance;

Fig. 3 is the schematic cross sectional views of the structure of expression inner casing of the present invention.

The specific embodiment

With reference to the accompanying drawings, the preferred embodiments of the present invention are specifically described.

Fig. 2 is of the present invention for expression, has the schematic cross sectional views of the drawer-type refrigerator that prevents to topple over performance.In the figure, identical with prior art structure is to adopt identical label to describe.

As shown in the figure, of the present invention have prevent that the drawer-type refrigerator of toppling over performance is characterised in that: by door track 17 ' is prolonged, guarantee fully by the spacing between the guide roll wheel 12a of the function door roller 17a of the fulcrum of above-mentioned guide rail 12 ' supporting and function, make and the corresponding moment of reaction of moment (M) that refrigerator is toppled over (M ') increase with pivot.

In the manner described above, along with the prolongation of door track 17 ', be installed on two sidewalls of the inner casing 11 of chamber 10, the guide rail 12 ' that above-mentioned door track 17 ' is led also correspondingly prolongs.Therefore, if adopt the present invention, as shown in Figure 3, on the rear wall of above-mentioned inner casing 11, the guiding that is formed with respectively on the rear wall parts that is depressed in refrigerator prolongs groove 11a, so that institute's guide rail extended 12 ' is installed.

With reference to the accompanying drawings, the action relationships with the drawer-type refrigerator that prevents to topple over performance of the present invention is described.

If pull out the container (mg) of loading from refrigerator, then because the moving of all mass centres of refrigerator, generation can make refrigerator overturn moment (M).Here, the loading of container (mg) is big more, pull out the distance (d) big more, above-mentioned moment (M) is big more.

Because above-mentioned moment (M) makes refrigerator topple over towards the place ahead, then must make following total loading be equal to or higher than above-mentioned moment (M) in order to prevent, this total loading refers to corresponding to this moment (M), whole loading sums of the moment of reaction of generation (M ') and refrigerator.In order to increase and to make the corresponding moment of reaction of moment (M) that above-mentioned refrigerator topples over (M '), as previously described, must improve the power (F) of guide rail 12 ', or increase by the door roller 17a of above-mentioned guide rail 12 ' supporting and the distance (L) between the guide roller 12a from the end of below supporting door track 17 '.

But according to the present invention, because above-mentioned distance (L) increases, the above-mentioned door track 17 ' that is provided with a roller 17a like this prolongs.So, even under above-mentioned power (F) situation identical with whole loadings of refrigerator, in following occasion, with past, and the moment of reaction that produce corresponding with the moment that above-mentioned refrigerator is toppled over towards the place ahead (M) (M ') still improve, this following occasion refers to towards the below container 16 of being pulled out be applied active force by accommodating the container 16 of heavy food, and refrigerator can be toppled over towards the place ahead.

If close door 15, then along of the present invention, extend the guide rail 12 ' on two sidewalls that are arranged at inner casing 11, to above-mentioned door track 17 ' guiding with the door track 17 ' that prolongs in the manner described above.Like this, be inserted among the prolongation groove 11a that the rear of inner casing 11 forms by the end with one side of the chamber in the door track 17 ', the door track 17 ' of above-mentioned prolongation does not counteract inner casing, and door 15 is with chamber 10 and container 16 lockings.

As described above, according to the present invention, because by prolonging door track, prolong by the door roller of guide rail support and the distance between the guide roller, make to prevent that the power that refrigerator topples over from increasing,, can prevent that still refrigerator from toppling over towards the place ahead even under the situation that the container that will accommodate heavy food is pulled out.

In addition, because the door track that above-mentioned extension is provided with inserts in the prolongation groove of chamber along guide rail,, still can the rear surface of chamber not counteracted even like this under the situation that door is closed.

Claims

1. drawer-type refrigerator, it comprises:

The chamber is formed with the prolongation groove on its rear wall;

First guide rail, the inside that it is connected to the side of described chamber and extends to described prolongation groove;

Guide roller on the end of described first guide rail;

The door of drawer type has the container that is integrally formed on the described door;

Second guide rail, the end that it is connected to the side of described door and extends to described container; And

Door roller on the end of described second guide rail.

2. drawer-type refrigerator according to claim 1 is characterized in that above-mentioned second guide rail extends setting corresponding to above-mentioned first guide rail, and when closing, above-mentioned second guide rail is inserted into the inside of above-mentioned prolongation groove along above-mentioned first guide rail.