CN2497250Y

CN2497250Y - Automatic-closing refrigerator

Info

Publication number: CN2497250Y
Application number: CN 01255858
Authority: CN
Inventors: 冯广平; 张良国
Original assignee: Guangdong Kelong Electrical Appliances Co Ltd
Current assignee: Jilin Kelon Electric Appliance Company Limited
Priority date: 2001-09-19
Filing date: 2001-09-19
Publication date: 2002-06-26
Anticipated expiration: 2011-09-19

Abstract

The utility model relates to a refrigerator, in particular to a refrigerator that can close the door automatically by the deadweight of the door body, which comprises a door body and a door body hinge, and is characterized in that the utility model also comprises an upper jack and a lower jack which is fixedly connected with the lower end of the door body and the door body hinge respectively, wherein, the upper and the lower jack are provided with a interconnected hole which matches with a hinge axis, on the approximal surface of the upper and the lower jack, a meshing structure which can produce a relative displacement is arranged, the engagement structure is a semicircular lug boss formed by a platform and a inclined plane which are respectively arranged on the approximal part of the upper and the lower jack, and the inclined plane of the upper and the lower jack matches with each other. The automatic door closing refrigerator provided by the utility model does not need any springs, and has no additional gearings; by adopting simple mechanical structure, the utility model has simple structure and low cost, and little power needs to be used when opening the door. The refrigerator has long service life and high reliability, and can be widely used in refrigerators with a single door, a double door or multi-doors and coolers, thus the utility model is an automatic door closing refrigerator which has a better service performance.

Description

Automatically the refrigerator of closing the door

Technical field

The utility model relates to refrigerator, is specifically related to the refrigerator that a kind of energy relies on the deadweight of door body to close the door automatically.

Background technology

Electric refrigerator such as refrigerator or refrigerator the door body since user's carelessness in use can forget close the door or the door body close not in place, to cause the cold air in refrigerator or the refrigerator to leak outside, the power consumption of complete machine is risen, and even more serious is also will cause the interior food spoilage of case and degenerate.

Though also have some to have the refrigerator of the function of closing the door automatically on the market now, but the door engine structure that is adopted is to be provided with as torsional spring type, cam spring formula, degree of tightness belt, torsion spring lever and motor-driven in hinge, and above-mentioned pass door all exists bigger shortcoming; As the lever-type complex structure of torsion spring of motor-driven, cam torsion spring type, production cost height, problem such as installation dimension is big and service life is short; And the hinge torsion spring type service life and and dependability aspect exist problem, also there is the inaesthetic shortcoming of outward appearance in the degree of tightness belt except that above-mentioned shortcoming.

Summary of the invention

The technical problems to be solved in the utility model is, a kind of refrigerator of closing the door automatically is provided, and can overcome above-mentioned shortcoming of the prior art, the mechanism of closing the door simple in structure, and cost is low, and is easy to implement, and it is reliable to close the door.

The technical scheme that the utility model provides is, construct a kind of refrigerator of closing the door automatically, comprise a body and door body hinge, it is characterized in that, also comprise respectively last push jack and following push jack with described door body lower end and door body hinge Joint, be provided with the through hole that matches with hinge axis in the described upper and lower push jack, be respectively equipped with the engaging structure that can produce relative displacement on the adjacent surface of described upper and lower push jack.

In the above-mentioned refrigerator of closing the door automatically that provides according to the utility model, described engaging structure is to be respectively equipped with the semicircle boss that is made of platform and inclined-plane at the adjacent position of described upper and lower push jack, and the inclined-plane in the upper and lower push jack coincide mutually.

In the above-mentioned refrigerator of closing the door automatically that provides according to the utility model, also be provided with tourelle in the described upper end on the inclined-plane, both sides of push jack through-bore axis down.

In the above-mentioned refrigerator of closing the door automatically that provides according to the utility model, described engaging structure is that the push jack bottom is provided with the double wedge symmetrical with through-bore axis on described, the both sides of described double wedge take the form of inclined plane, and are provided with the groove that is meshed with described double wedge at the described top of push jack down.

In the above-mentioned refrigerator of closing the door automatically that provides according to the utility model, described tourelle is a kind of needle roller.

In the above-mentioned refrigerator of closing the door automatically that provides according to the utility model, described tourelle is a kind of ball.

In the above-mentioned refrigerator of closing the door automatically that provides according to the utility model, described upper and lower push jack is a kind of integrated molding member that adopts high-abrasive material.

The refrigerator of closing the door automatically that enforcement is provided by the utility model, by be provided with on door body and the hinge have the inclined-plane boss on, following push jack, when beating opening door body, with the affixed last push jack in door body lower end with the door body around hinge axis, and produce along the relatively moving of axis (make simultaneously a body move up a bit of distance) in the effect on the following push jack inclined-plane that matches with it, by the force resolution principle as can be known, the deadweight of door body will produce a horizontal component (also being the thrust of closing the door automatically) on the push jack inclined-plane down, when loose opening door body, door cognition turns to the closed position automatically under the effect of this component, the mechanism of closing the door of the present utility model compares with other mechanism of closing the door, have simple in structure, cost low (constituting) advantage such as reliable of closing the door by push jack up and down.Below in conjunction with accompanying drawing, further specify the utility model with preferred embodiment.

Description of drawings

Partial front elevation view and vertical view when Fig. 1, Fig. 2 are in open mode for the push jack up and down in the door engine structure in the utility model refrigerator with a refrigerator door and a body hinge assemblies back door body;

Partial front elevation view and vertical view when Fig. 3, Fig. 4 are in closed condition for the push jack up and down in the door engine structure in the utility model refrigerator with a refrigerator door and a body hinge assemblies back door body;

Fig. 5 is a kind of perspective diagram of push jack structure up and down in the door engine structure;

Fig. 6 is the another kind of perspective diagram of push jack structure up and down in the door engine structure.

The specific embodiment

As Fig. 1,2,3, shown in 4, the refrigerator of closing the door automatically that is provided by the utility model is to be connected with one to go up push jack 2 and a following push jack 3 on the lower end of refrigerator door 1 (refrigeration and refrigerating chamber) and door body hinge, last, following push jack 2, be provided with the through hole that matches with hinge axis 4 in 3, last push jack 2 can rotate around hinge axis 4 along with the rotation of door body 1, the principle of closing the door provided by the utility model is to utilize the deadweight of door body 1 to produce the thrust of closing the door, must make door body 1 when rotating, can produce displacement upwards, therefore last, following push jack 2, be respectively equipped with the engaging structure that can produce relative displacement on 3 the adjacent surface.

Present embodiment provides two kinds of engaging structures, a kind of engaging structure that produces relative displacement as shown in Figure 5, this engaging structure is last, following push jack 2,3 adjacent positions are respectively equipped with by platform and inclined-

plane

22,32 two semicircle boss 21 that constitute, 33, push jack 2 up and down, inclined-plane 22 in 3,32 coincide mutually, when last push jack 2 rotates, the inclined-plane 22 of its bottom can move up along the inclined-plane 32 on the following push jack 3 that matches with it, also drive the door body 1 affixed simultaneously and produce displacement upwards with it, after door body 1 moves up, its deadweight will produce a horizontal component (thrust of closing the door automatically) on the inclined-plane 32 of following push jack 3, when the opening angle of door body 1 is spent less than 60, can both produce the thrust of closing the door automatically, thereby realize closing the door automatically function and solve the not tight problem of closing the door; When the rotational angle of door body 1 is spent greater than 60, flat surface on the last push jack 2 has turned to down on the flat surface of push jack, door body 1 does not produce the thrust of closing the door automatically, be convenient to the user and pick and place food,, make the switch door lighter for reducing the friction between push jack 2,3 inclined-planes up and down, can tourelle be set in the upper end on following inclined-plane, push jack 3 through-bore axis both sides, as needle roller or ball are set, and also tourelle can be arranged on the end, inclined-plane of push jack 2, have same function.

Another kind is closed the door engaging structure as shown in Figure 6 automatically, this engaging structure is to be provided with two

double wedges

61,62 symmetrical with through-bore axis in last push jack 2 bottoms, the two sides of

double wedge

61,62 take the form of inclined plane, top at following push jack 3 is provided with the groove 63 that is meshed with double wedge, the two sides of groove also are ramp structure, its principle of closing the door automatically all is to utilize the inclined-plane to produce the thrust of closing the door with preceding a kind of identical, no longer repeats; The engaging structure face of push jack 2,3 up and down can also be arranged to the field of conjugate action of arc shape.

The refrigerator of closing the door automatically that is provided by the utility model does not need spring, there is not additional transmission device, adopt simple mechanical structure, simple in structure, cost is low, and employed power is little when opening the door, long service life, the reliability height can be widely used in single, double, multi-door refrigerator and the refrigerator, is a kind of serviceability refrigerator of better closing the door automatically.

Claims

1, a kind of refrigerator of closing the door automatically, comprise a body and door body hinge, it is characterized in that, also comprise respectively last push jack and following push jack with described door body lower end and door body hinge Joint, described upper and lower push jack is provided with the through hole that matches with hinge axis, is respectively equipped with the engaging structure that can produce relative displacement on the adjacent surface of described upper and lower push jack.

According to the described refrigerator of closing the door automatically of claim 1, it is characterized in that 2, described engaging structure is to be respectively equipped with the semicircle boss that is made of platform and inclined-plane at the adjacent position of described upper and lower push jack, the inclined-plane of described upper and lower push jack coincide mutually.

3, according to the described refrigerator of closing the door automatically of claim 2, it is characterized in that, also be provided with tourelle in the described upper end on the inclined-plane, both sides of push jack through-bore axis down.

4, according to the described refrigerator of closing the door automatically of claim 1, it is characterized in that, described engaging structure is that the push jack bottom is provided with the double wedge symmetrical with through-bore axis on described, and the both sides of described double wedge take the form of inclined plane, and is provided with the groove that is meshed with described double wedge at the described top of push jack down.

5, according to the described refrigerator of closing the door automatically of claim 3, it is characterized in that described tourelle is a kind of needle roller.

6, according to the described refrigerator of closing the door automatically of claim 3, it is characterized in that described tourelle is a kind of ball.

According to the described refrigerator of closing the door automatically of claim 1-6, it is characterized in that 7, described upper and lower push jack is a kind of integrated molding member that adopts high-abrasive material.