阅读说明：本技术 一种防止卡门封的铰链装置及含有该装置的冰箱 (Hinge device for preventing door from being blocked and refrigerator comprising same ) 是由 任立人 于 2021-08-20 设计创作，主要内容包括：一种防止卡门封的铰链装置,包括铰链、套筒和轴套；所述铰链由铰链本体和铰链轴组成,所述铰链本体包括竖直部和水平部,所述铰链轴设置于水平部远离竖直部的一端；所述铰链轴上设有限位凸台,所述凸台分为上下两层布置；所述轴套上设有自锁机构和偏心机构,所述偏心机构的一端与轴套相连,另一端与自锁结构相连；所述套筒设置于铰链轴的上层凸台外；一种冰箱,其设有至少一个防止卡门封的铰链装置；本发明所述的防止卡门封的铰链装置,通过在铰链轴设置凸台和在轴套内设置偏心机构,使得门体旋转运动过程轴心发生短距离位移,避免了卡门封的问题；且该铰链装置设置于门体内,隐藏不可见,对冰箱的外观无影响。(A hinge device for preventing a door from being blocked comprises a hinge, a sleeve and a shaft sleeve; the hinge comprises a hinge body and a hinge shaft, wherein the hinge body comprises a vertical part and a horizontal part, and the hinge shaft is arranged at one end of the horizontal part far away from the vertical part; a limiting boss is arranged on the hinge shaft and is divided into an upper layer and a lower layer; the shaft sleeve is provided with a self-locking mechanism and an eccentric mechanism, one end of the eccentric mechanism is connected with the shaft sleeve, and the other end of the eccentric mechanism is connected with the self-locking mechanism; the sleeve is arranged outside the upper-layer boss of the hinge shaft; a refrigerator is provided with at least one hinge device for preventing a door from being blocked; according to the hinge device for preventing the door seal from being clamped, the boss is arranged on the hinge shaft and the eccentric mechanism is arranged in the shaft sleeve, so that the shaft center of the door body is displaced in a short distance in the rotating process of the door body, and the problem of door seal clamping is avoided; and the hinge device is arranged in the door body, hidden and invisible, and has no influence on the appearance of the refrigerator.)

1. A hinge device for preventing a door from being blocked is characterized by comprising a hinge, a sleeve (7) and a shaft sleeve (2);

the hinge is composed of a hinge body (3) and a hinge shaft (3-2), the hinge body (3) comprises a vertical part (3-4) and a horizontal part (3-1), and the hinge shaft (3-2) is arranged at one end, far away from the vertical part (3-4), of the horizontal part (3-1); the hinge shaft (3-2) is provided with a limiting boss which is divided into an upper layer and a lower layer, namely an upper layer boss (3-5) and a lower layer boss (3-6);

the shaft sleeve (2) is provided with a self-locking mechanism (2-1) and an eccentric mechanism (2-2), one end of the eccentric mechanism (2-2) is provided with a limiting block connected with the shaft sleeve (2), and the other end of the eccentric mechanism is connected with the self-locking mechanism (2-1);

the sleeve (7) is arranged outside the upper-layer boss (3-5) of the hinge shaft (3-2);

when the door is closed, when the door body (1) and the refrigerator body (4) of the refrigerator are opened from the maximum door opening angle to the middle angle, the shaft sleeve (2) rotates relative to the point A of the hinge shaft (3-2) under the limiting action of the eccentric mechanism (2-2), and the point A is the axis of the hinge shaft;

when an included angle between a door body (1) and a refrigerator body (4) of the refrigerator is smaller than a middle angle, a limiting block of an eccentric mechanism (2-2) is separated from a lower-layer boss (3-6) in contact, meanwhile, the self-locking structure (2-1) is matched with a hinge to complete locking of the door body (1), the axle center of the door body (1) returns to a point B, closing of the door is completed, and the point B is the axle center of the shaft sleeve.

2. The hinge device for preventing door from being locked according to claim 1, wherein the number of the upper bosses (3-5) is at least 2, and the number of the lower bosses (3-6) is at least 2.

3. The hinge device for preventing a door from being locked as claimed in claim 1, wherein the upper bosses (3-5) and the lower bosses (3-6) are symmetrically arranged with the hinge shaft (3-2) as a center, respectively.

4. The hinge device for preventing a door jam as claimed in claim 1, wherein the inner diameter of the bushing (2) is larger than the outer diameter of the upper layer of the hinge shaft (3-2).

5. The hinge device for preventing door from being blocked as claimed in claim 1, wherein the end face of the eccentric mechanism (2-2) is shaped like an eccentric arc, and the distance from the end face of the eccentric mechanism (2-2) to the axis of the hinge shaft (3-2) gradually increases.

6. The hinge device for preventing door jam as claimed in claim 1, wherein the inner wall of the sleeve (7) is in contact fit with the upper boss (3-5) of the hinge shaft (3-2).

7. The hinge device for preventing the door from being blocked as claimed in claim 1, wherein the self-locking mechanism (2-1) is C-shaped and made of wear-resistant material.

8. The hinge device for preventing door from being blocked according to claim 1, wherein the end of the vertical part (3-4) far away from the horizontal part (3-1) is provided with a round hole (3-3), and the round hole (3-3) is connected with a bolt (5).

9. A refrigerator, characterized in that it is provided with at least one hinge device for preventing door jam according to any one of claims 1 to 8, said hinge being fixedly connected to the cabinet (4), said bushing (2) being fixedly connected to the sleeve (7).

Technical Field

The invention relates to the field of refrigerator structure design, in particular to a hinge device for preventing a refrigerator from being blocked by a door seal and a refrigerator comprising the same.

Background

In the refrigerator market at present, the door body and the box that can lead to the refrigerator block the door seal when closing along with the increase of live time for the door body of refrigerator can't be closed tightly, thereby leads to refrigerator abnormal sound, leaks cold scheduling problem, leads to user's use to experience and descends by a wide margin.

The existing methods for solving the problem of the door seal are all traditional, a method for coating lubricating oil on the door seal is generally adopted, but the method easily causes oil leakage of the lubricating oil, so that the appearance of the refrigerator is influenced, the use experience of a user is worsened, and after the refrigerator is used for a long time and along with the volatilization of the lubricating oil, faults reappear, so that the problem can be solved by a device which can directly solve the problem of the door seal and has no influence on the use feeling.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to solve the problem that the door seal is easily clamped when a refrigerator door body is opened and closed in the prior art, the invention provides a hinge device for preventing the door seal from being clamped and a refrigerator comprising the hinge device.

The technical scheme adopted by the invention for solving the technical problems is as follows: a hinge device for preventing a door from being blocked comprises a hinge, a sleeve and a shaft sleeve; the hinge comprises a hinge body and a hinge shaft, wherein the hinge body comprises a vertical part and a horizontal part, and the hinge shaft is arranged at one end of the horizontal part far away from the vertical part; the hinge shaft is provided with a limiting boss, and the boss is divided into an upper layer and a lower layer which are respectively an upper layer boss and a lower layer boss; the shaft sleeve is provided with a self-locking mechanism and an eccentric mechanism, one end of the eccentric mechanism is provided with a limiting block connected with the shaft sleeve, and the other end of the eccentric mechanism is connected with the self-locking mechanism; the sleeve is arranged outside the upper-layer boss of the hinge shaft; when the door is closed, when the door body and the refrigerator body of the refrigerator are from the maximum door opening angle to the middle angle, the door body rotates relative to the point A of the hinge shaft under the limiting action of the eccentric mechanism by the shaft sleeve, and the point A is the axis of the hinge shaft;

when the included angle between the door body and the refrigerator body of the refrigerator is smaller than the middle angle, the limiting block of the eccentric mechanism is separated from the lower-layer boss, meanwhile, the self-locking structure is matched with the hinge to complete the locking of the door body, the axis of the door body returns to a point B, the door closing is completed, and the point B is the axis of the shaft sleeve; because the distance between the point A and the refrigerator body is increased relative to the point B, the effect of preventing the door from being blocked in the door closing process is achieved, the range of the middle angle is 1-130 degrees, and the adjustment can be carried out according to the actual condition of the refrigerator.

Furthermore, the upper layer boss is at least provided with 2, and the lower floor boss is at least provided with 2.

Furthermore, the upper layer boss and the lower layer boss are respectively and symmetrically arranged by taking the hinge shaft as a center.

Further, the inner diameter of the shaft sleeve is larger than the outer diameter of the upper layer of the hinge shaft.

Furthermore, the end face of the eccentric mechanism is in an eccentric arc shape, and the distance from the end face of the eccentric mechanism to the axis of the hinge shaft gradually increases.

Furthermore, the inner wall of the sleeve is in contact fit with the upper-layer boss of the hinge shaft.

Furthermore, the self-locking mechanism is C-shaped and made of wear-resistant materials; such as POM, PA66, etc.

Furthermore, two round holes are formed in one end, away from the horizontal portion, of the vertical portion, and the round holes are connected with bolts to connect the hinge with the refrigerator body.

The invention provides a refrigerator which is provided with at least one hinge device for preventing a door from being blocked, wherein the hinge is fixedly connected with a refrigerator body, and the shaft sleeve is fixedly connected with the sleeve.

The invention has the beneficial effects that:

(1) according to the hinge device for preventing the door seal from being clamped, the boss is arranged on the hinge shaft and the eccentric mechanism is arranged in the shaft sleeve, so that the shaft center of the door body is displaced in a short distance in the rotating process of the door body, and the problem of clamping the door seal is avoided.

(2) The hinge device for preventing the door seal from being clamped has the advantages of simple structure and convenience in installation, and permanently solves the problem of door seal clamping with lower cost.

(3) The refrigerator with the hinge device for preventing the door from being blocked is arranged in the door body, hidden and invisible, and has no influence on the appearance of the refrigerator.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the hinge assembly and box connection of the preferred embodiment of the present invention;

FIG. 2 is an assembly schematic of the preferred embodiment of the present invention;

FIG. 3 is a three-dimensional view of a bushing in accordance with a preferred embodiment of the present invention;

FIG. 4 is a three-dimensional view of a hinge of a preferred embodiment of the present invention;

FIG. 5 is a three-dimensional view of a sleeve of a preferred embodiment of the present invention;

FIG. 6 is a two-dimensional schematic view of the center of rotation for a 2 included door case angle of the preferred embodiment of the present invention;

FIG. 7 is a two-dimensional schematic view of the center of rotation for a door case angle of 0 in accordance with a preferred embodiment of the present invention;

FIG. 8 is a schematic view of a door closing process according to a preferred embodiment of the present invention;

FIG. 9 is an enlarged view of the hinge assembly during closure of the door body in accordance with the preferred embodiment of the present invention;

FIG. 10 is a schematic view of the door body in a closed position in accordance with the preferred embodiment of the present invention;

FIG. 11 is an enlarged view of the hinge assembly with the door in the closed position in accordance with the preferred embodiment of the present invention;

in the figure, the door comprises a door body 1, a door body 2, a shaft sleeve 2-1, a self-locking mechanism 2-2, an eccentric mechanism 3, a hinge body 3-1, a horizontal part 3-2, a hinge shaft 3-3, a circular hole 3-4, a vertical part 3-5, an upper boss 3-6, a lower boss 4, a box body 5, a bolt 6, a door seal 7 and a sleeve.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "horizontal", "top", "inner", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-11, a hinge device for preventing a door from being stuck comprises a hinge, a sleeve 7 and a shaft sleeve 2; the hinge is composed of a hinge body 3 and a hinge shaft 3-2, the hinge body 3 comprises a vertical part 3-4 and a horizontal part 3-1, and the hinge shaft 3-2 is arranged at one end of the horizontal part 3-1 far away from the vertical part 3-4; the hinge shaft 3-2 is provided with a limiting boss which is divided into an upper layer and a lower layer which are respectively an upper layer boss 3-5 and a lower layer boss 3-6; the shaft sleeve 2 is provided with a self-locking mechanism 2-1 and an eccentric mechanism 2-2, one end of the eccentric mechanism 2-2 is connected with the shaft sleeve 2, and the other end of the eccentric mechanism 2-2 is connected with the self-locking mechanism; the sleeve 7 is arranged outside the upper-layer boss 3-5 of the hinge shaft 3-2.

At least 2 upper-layer bosses 3-5 are provided, and at least 2 lower-layer bosses 3-6 are provided; the upper layer boss 3-5 and the lower layer boss 3-6 are respectively arranged symmetrically by taking the hinge shaft 3-2 as a center; the inner diameter of the shaft sleeve 2 is larger than the outer diameter of the upper layer of the hinge shaft 3-2.

The end face of the eccentric mechanism 2-2 is in an eccentric arc shape, and the distance from the end face of the eccentric mechanism 2-2 to the axis of the hinge shaft 3-2 gradually increases. The inner wall of the sleeve 7 is in contact fit with the upper-layer boss 3-5 of the hinge shaft 3-2. The self-locking mechanism 2-1 is C-shaped and made of wear-resistant materials. Two round holes 3-3 are formed in one end, far away from the horizontal part 3-1, of the vertical part 3-4, the round holes 3-3 are connected with bolts 5, and the hinge is connected with a refrigerator body 4 of the refrigerator through the bolts 5. The maximum height of the eccentric mechanism 2-2 of the shaft sleeve 2 is not easy to be too large, so that the structural strength of the shaft sleeve 2 is ensured, and the self-locking mechanism 2-1 of the shaft sleeve 2 is prevented from losing efficacy.

A refrigerator is provided with at least one hinge device for preventing a door from being blocked, wherein the hinge is fixedly connected with a box body 4, and a shaft sleeve 2 is fixedly connected with a sleeve 7.

The door body 1 is arranged on the hinge, and when the door body 1 moves from the maximum door opening angle to the door box with an included angle of 2 degrees, the shaft sleeve 2 drives the door body 1 to rotate by taking the point A of the hinge shaft 3-2 as an axis under the limiting action of the eccentric mechanism 2-2 (as shown in fig. 5 and 9); when the refrigerator door body 1 moves to a door box included angle smaller than 2 degrees (as shown in fig. 5), the limiting block of the eccentric mechanism 2-2 of the shaft sleeve 2 is separated from the contact with the lower boss 3-6 of the hinge shaft 3-2, meanwhile, the self-locking mechanism 2-1 on the left side of the shaft sleeve 2 is in interference fit with the hinge body 3 to complete the locking function of the door body 1, and the axis of the door body 1 returns to a point B (as shown in fig. 7) to complete the door closing action; the above-mentioned two sections of the door closing process have a dividing angle of 2 °, which is only a parameter for explaining the present invention and should not be construed as limiting the present invention.

In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.