WO2015078315A1

WO2015078315A1 - Gate bidirectional-opening apparatus and refrigerator provided with apparatus

Info

Publication number: WO2015078315A1
Application number: PCT/CN2014/091320
Authority: WO
Inventors: 费斌; 张奎; 张守江
Original assignee: 海尔集团公司; 青岛海尔股份有限公司
Priority date: 2013-11-29
Filing date: 2014-11-17
Publication date: 2015-06-04
Also published as: CN104328966B; CN104328966A

Abstract

A gate bidirectional-opening apparatus (100) and a refrigerator (800) provided with the gate bidirectional-opening apparatus (100). The refrigerator (800) comprises a gate body (82) and a box body (81). One of the gate body (82) and the box body (81) is provided with a fixed rod (821). The gate bidirectional-opening apparatus (100) is disposed in the other one of the box body (81) and the gate body (82) and is fitted to the fixed rod (821). The gate bidirectional-opening apparatus (100) comprises a housing (1), a connection rod (2) disposed in the housing (1), and a toggle mechanism (3) fitted to the connection rod (2) to stir the connection rod (2) to move. Two ends of the housing (1) are separately provided with an opening portion (10) opened outwards. Two ends of the connection rod (2) are separately provided with a blocking mechanism (20) capable of extending into the opening portion (10) under of the driving of the toggle mechanism (3). The gate bidirectional-opening apparatus (100) also comprises a keeping mechanism (5) for keeping a use state of the connection rod (2). The keeping mechanism (5) is fixed between ends of the connection rod (2) and the housing (1).

Description

Two-way door opening device and refrigerator having the same

Technical field

The present invention relates to the field of refrigerator manufacturing technology, and in particular, to a two-way door opening device and a refrigerator having the same.

Background technique

Refrigerators, as a container that keeps food or other items at a constant low temperature, have become one of the essential household appliances in modern homes. The refrigerator usually includes a refrigerating compartment and a freezing compartment which are vertically disposed to be used for respectively storing items to be stored at different temperatures, and two door bodies are respectively provided for the two refrigerating compartments. At present, most of the refrigerator door bodies on the market are right-opening door bodies, that is, the hinges are installed on the right side of the door body, so that the door body is opened to the right from the left side of the refrigerator when the door body is opened. As people's requirements for personalization and comfort in the use of refrigerators are increased, and due to the influence of the layout of the houses and the layout of the furniture, the user also has certain requirements for the placement of the refrigerator and the orientation of the door, so people usually need to open the door of the refrigerator. The body opening direction is adjusted according to the layout. In order to facilitate the user to freely adjust, some refrigerators on the market currently have a two-way switch door adjustment mechanism between the door body and the box body, so that the user can choose to open the refrigerator door body from either side of the two sides. However, in this case, when the door body of the refrigerator side is not closed, and the user adjusts the opening direction of the adjustment mechanism, the door body may fall off.

Accordingly, it would be desirable to provide an improved two-way door opening device and a refrigerator having the same to solve the above problems.

Summary of the invention

An object of the present invention is to provide a two-way door opening device and a refrigerator having the same that can effectively prevent a user from operating a two-way door opening function when the door body is opened, thereby preventing the door body from falling off.

In order to achieve the above object, the present invention provides a two-way door opening device comprising a housing, a connecting rod disposed in the housing, and a shifting mechanism cooperated with the connecting rod to move the connecting rod, the housing The ends are respectively provided with an opening portion which is open to the outside, and the two ends of the connecting rod are respectively provided with a blocking mechanism which can be extended into the opening portion by the pushing mechanism; the two-way door opening device further comprises maintaining the use state of the connecting rod The holding mechanism is fixed between the end of the connecting rod and the housing.

As a further improvement of the present invention, the holding mechanism includes a positioning member pivotally connected to the housing, a tension spring connecting the housing and the positioning member, a limiting portion disposed on the connecting rod, and a baffle disposed on the housing, the positioning member is provided with a positioning portion pivotally connected to the housing, and the tension spring a connecting pull portion, an abutting top portion for abutting against the limiting portion, and a resisting portion for abutting against the baffle; the holding mechanism is configured to: when the tension spring pulls the positioning member to rotate, the The top portion abuts against the limiting portion, and the abutting portion abuts against the baffle.

As a further improvement of the present invention, the housing is provided with a first shaft that fixes the tension spring and a second shaft that fixes the positioning member, and the first shaft and the second shaft are distributed along the length direction of the connecting rod. Both sides of the opening are described.

As a further improvement of the present invention, the first shaft and the baffle are disposed on a side of the opening portion away from the connecting rod.

As a further improvement of the present invention, the abutting portion is disposed between the positioning portion and the pulling portion and is disposed to abut one side edge of the opening portion.

As a further improvement of the present invention, the positioning portion and the limiting portion are located on the same straight line along the longitudinal direction of the connecting rod, and the abutting portion and the positioning portion are located on the same straight line in the width direction of the connecting rod.

As a further improvement of the present invention, the blocking mechanism is a blocking portion formed directly outward from the two ends of the connecting rod.

As a further improvement of the present invention, the toggle mechanism includes a dial mounted on the housing and exposed outwardly, a linkage mechanism connecting the dial and the link to drive the link to move left and right, and limiting the position of the link Limited institution.

As a further improvement of the present invention, the linkage mechanism includes a matching groove formed on the connecting rod, and a cam connected to the dial and disposed in the matching groove; the defining mechanism includes one end pivotally connected to the housing a tension spring and a push rod connected between the cam and the tension spring; the push rod is provided with a first fixed shaft fixing the other end of the tension spring, and the connecting rod or the housing is provided with a first fixed shaft a guide slot in which to move.

In order to achieve the above object, the present invention also provides a refrigerator including a door body and a box, the refrigerator further comprising the above-mentioned two-way switch door device, wherein one of the door body and the box body is provided with a fixing column, The two-way switch door device is disposed on the other of the case and the door body and cooperates with the fixed column.

The beneficial effects of the present invention are: the two-way door opening device of the present invention can maintain the current state by providing a holding mechanism that can maintain the use state of the connecting rod, so that the refrigerator provided with the two-way door opening device can be opened when the side door is opened. In turn, the user is prevented from adjusting the toggle mechanism to cause the link to move. The movement causes the other side of the door to be opened at the same time, causing the door to fall off.

DRAWINGS

Figure 1 is a perspective view of a preferred embodiment of the two-way door opening device of the present invention;

Figure 2 is an exploded perspective view of the two-way door opening device of Figure 1;

Figure 3 is a perspective view of the two-way door opening device of Figure 1 when the door body is opened;

Figure 4 is a partial enlarged view of a preferred embodiment of the refrigerator of the present invention;

Figure 5 is a partial enlarged view of another preferred embodiment of the refrigerator of the present invention.

detailed description

The present invention will be described in detail below in conjunction with the embodiments shown in the drawings. However, the embodiments are not intended to limit the invention, and the structural, method, or functional changes made by those skilled in the art in accordance with the embodiments are included in the scope of the present invention.

Please refer to FIG. 1 to FIG. 5 for a preferred embodiment of the bidirectional door opening device 100 of the present invention. The two-way door opening device 100 of the present invention is applied to the refrigerator 800, and includes a casing 1, a connecting rod 2 disposed in the casing 1, a dialing mechanism 3 disposed on the casing 1 and matched with the connecting rod 2, and a setting A blocking mechanism at both ends of the link 2 and a holding mechanism 5 for holding the state of use of the link 2 are fixed between the end of the link 2 and the casing 1.

Referring to FIG. 4, the refrigerator 800 includes a case 81 and a door body 82. In the present embodiment, the two-way door opening device 100 is disposed at a lower end of the upper side door body 82 or an upper end of the lower side door body 82, the case A hinge (not shown) is disposed on both sides of the body 81. The hinge is provided with a fixing post 821 for cooperating with the blocking mechanism of the bidirectional door opening device 100 on the door body 82 to define the door. The opening direction of the body 82. In addition, referring to FIG. 5, in another embodiment, the two-way door opening device 100 is disposed on the middle beam partition 810 of the casing 81 of the refrigerator 800, and is at the lower end or the lower side door 82 of the upper side door 82. The upper end is provided with a fixing post 821 that cooperates with the blocking mechanism of the two-way door opening device 100. In summary, one of the door body 82 and the case 81 is provided with a fixing post 821, and the bidirectional switch door device 100 is disposed on the other of the case 81 and the door body 82 and is fixed to the same Column 821 is matched.

As shown in FIG. 1 to FIG. 5, the housing 1 of the two-way door opening device 100 of the present invention is disposed on the casing 81 or the door body 82 of the refrigerator 800, and is provided with openings 10 open outwardly on both sides thereof to The two sides of the door body 82 or the fixing posts 821 on the hinges on both sides of the box body 81 are cooperatively positioned. The blocking mechanism is a blocking portion 20 formed by extending directly outward from the two ends of the connecting rod 2, and the blocking portion 20 can be The opening portion 10 is extended to block the fixing of the fixing post 821.

The casing 1 extends in a lateral direction along the lateral direction of the refrigerator 800, and includes a casing body 11 and a cover body (not shown) that covers the casing body 11. The casing body 11 is provided with a bottom wall 111, two side walls 112 extending in the same direction from both sides of the bottom wall 111, and a front wall 113 and a rear wall 114 extending from the front side and the rear side of the bottom wall 111. The opening portion 10 penetrates the front wall 113 forward and extends in the front-rear direction.

The connecting rod 2 is housed in the casing 1 and extends in the lateral direction of the refrigerator 800, that is, extending in the longitudinal direction of the casing 1 in an elongated shape. The connecting rod 2 is provided with a matching groove 21 that cooperates with the dialing mechanism 3. The bottom wall 111 of the shell body 11 is provided with a perforation 115 corresponding to the mating groove 21 for the dialing mechanism 3 to pass through the through hole 115 to cooperate with the connecting rod 2.

As shown in FIG. 1 to FIG. 3, the toggle mechanism 3 includes a dial 31 mounted on the housing 1 and exposed outwardly, and a linkage mechanism for connecting the dial 31 and the link 2 to drive the link 2 to move left and right. 32. A defining mechanism 33 for defining the position of the connecting rod 2. The dial 31 is provided with an operating portion 311 facing the outside of the casing 1 and a connecting portion 312 passing through the through hole 115 on the casing body 11. The interlocking mechanism 32 includes the engaging groove 21 formed on the link 2, and a cam 321 connected to the connecting portion 312 and disposed in the engaging groove 21.

In the present embodiment, the limiting mechanism 33 includes a tension spring 331 whose one end is pivotally connected to the housing 1 and a push rod 332 that is connected between the cam 321 and the tension spring 331. The push rod 332 is provided with a first fixed shaft 3321 that fixes the other end of the tension spring 331. The link 2 or the housing 1 is provided with a guide groove 22 for the first fixed shaft 3321 to move therein. In the present embodiment, the guide groove 22 is provided on the link 2. The engagement groove 21 is located at an intermediate position of the link 2, and the guide groove 22 is disposed outside the engagement groove 21.

The cam 321 is provided with diametrically opposed convex portions 3211 and recessed portions 3212, and an intermediate portion 3213 between the convex portions 3211 and the recessed portions 3212. In the initial state, the convex portion 3211 of the cam 321 is disposed toward the opening direction of the opening portion 10. In the present embodiment, the defining mechanism 33 includes two tension springs 331 located on both sides of the engaging groove 21 along the longitudinal direction of the connecting rod 2, and an intermediate portion 3213 connecting the two tension springs 331 and the cam 321 respectively. Two of the push rods 332 on both sides. The connecting rod 2 or the housing 1 is provided with two guiding grooves 22 respectively corresponding to the first fixing shafts 3321 of the two push rods 332. In the present embodiment, the two guiding grooves 22 are respectively disposed on the connecting rod 2 and are respectively located at two sides of the engaging groove 21.

The housing 1 is provided with two second fixing shafts 12 respectively fixing the two tension springs 331 , and the two second fixing shafts 12 are respectively located between the cam 321 and the guiding groove 22 . The connecting rod 2 and pushing The rods 332 are respectively provided with a retaining groove 3322 through which the second fixed shaft 12 passes. The length of the retaining groove 3322 is larger than the outer diameter of the second fixed shaft 12, thereby facilitating the opposite side of the connecting rod 2 and the push rod 332. Body 1 moves.

As shown in FIG. 1 to FIG. 5, the holding mechanism 5 is mainly used to hold the position state of the link 2 when the one side door 82 is opened, so as to prevent the user from operating by mistake when the one side door 82 is not closed. The one side door body 82 is dragged open, thereby causing the door body 82 to fall off. The holding mechanism 5 includes a positioning member 51 pivotally connected to the housing 1 , a tension spring 52 connecting the housing 1 and the positioning member 51 , a limiting portion 53 disposed on the connecting rod 2 , and being disposed on the housing 1 . Baffle 54.

The housing 1 is provided with a first shaft 13 for fixing the tension spring 52 and a second shaft 14 for fixing the positioning member 51. The first shaft 13 and the second shaft 14 are distributed on both sides of the opening portion 10 along the longitudinal direction of the link 2. In the present embodiment, the first shaft 13 and the baffle 54 are disposed on a side of the opening portion 10 away from the link 2, and the baffle 54 is formed to protrude from a side edge of the opening portion 10.

The positioning member 51 is substantially in the shape of a “5”, and is provided with a positioning portion 511 pivotally connected to the second shaft 14 of the housing 1 and a pulling portion 512 connected to the tension spring 52 for use with the limiting portion. The abutting top portion 513 of the abutting portion 53 and the abutting portion 514 for abutting against the baffle 54.

In the present embodiment, the pulling portion 512 and the abutting top 513 are respectively disposed at two free ends of the positioning member 51, and the abutting portion 513 is a protruding shaft, and the limiting portion 53 is a self-linking rod. 2 The limiting groove formed by the edge depression. When both sides of the door body 82 are closed, the positioning portion 511 and the abutting top portion 513 are located on the same straight line along the longitudinal direction of the connecting rod 2, and the positioning portion 51 is disposed closer to the opening portion 10 than the abutting top portion 513. The abutting portion 514 and the positioning portion 511 are located on the same straight line in the width direction of the link 2, and the abutting portion 514 is located between the positioning portion 511 and the pulling portion 512 in the width direction of the link 2.

The holding mechanism 5 is disposed such that, in an initial state in which both sides of the door body 82 of the refrigerator 800 are closed, the abutting portion 514 abuts against the fixing post 821 of the casing 81 or the door body 82, and is pulled at this time. The spring 52 is in a stretched state; during the opening of the side door 82, the abutting portion 514 is disengaged from the fixing post 821, so that the tension spring 52 pulls the positioning member 51 to rotate, thereby causing the abutting portion 513 and the limiting portion 53 to be rotated. The abutting portion 514 abuts against the baffle 54 .

Specifically, as shown in FIG. 1 and FIG. 3, in the present embodiment, when the fixing post 821 on the left side is pulled out, the positioning member 51 on the left side of the connecting rod 2 is rotated under the urging force of the tension spring 52, so that the left positioning member is The abutting portion 514 of the 51 abuts against the baffle 54 on the left side of the housing 1 , and the abutting portion 513 of the side positioning member 51 (ie, the protruding shaft) extends into the limiting groove 53 and is opposite to the inner wall of the limiting groove 53 . Hold, and the link 2 is right The blocking portion 20 at the end abuts against the baffle 54 on the side edge of the opening portion 10 on the right side of the casing 1, so that the link 2 cannot be moved left and right, and the fixing post 821 on the right side cannot be removed due to being blocked by the blocking portion 20. Thereby, the door body 82 of the refrigerator 800 can be opened only on one side, and the other side is stably maintained in a closed state when one side is opened.

In the above embodiment, the positioning member 51 is located on the side of the opening portion 10 near the connecting rod 2 before the rotation of the positioning member 51, and the first shaft 13 of the fixing spring 52 on the housing 1 is located on the other side of the opening portion 10; The positioning member 51 and the first shaft 13 may be reversely disposed on opposite sides of the opening portion 10 respectively. At this time, the abutting portion 514 for abutting against the baffle 54 and the pulling rod 52 are fixedly pulled. The portion 512 of the portion 512 disposed at the two ends of the positioning member 51 for abutting against the limiting portion 53 of the connecting rod 2 is located between the pulling portion 512 and the positioning portion 511, and the baffle 54 on the casing 1 is compared. The present embodiment is further disposed outwardly, whereby the abutting top 513 spans the opening portion 10 and is disposed at the end of the connecting rod 2 when the one side positioning member 51 is rotated, with the side tension spring 52 being driven. The limiting portion 53 is positioned against the top, and the abutting portion 514 on the positioning member 51 rotates outward to abut against the baffle 54 of the casing 1, and the other end of the connecting rod 2 abuts against the top of the positioning member 51. Between the 513 and the positioning portion 511, the positional positioning of the connecting rod 2 can be realized, and the same can be achieved for the purpose of the invention.

In addition, as shown in FIG. 1 to FIG. 5, when the two-way door opening device 100 of the present invention is used, the user can directly operate the toggle mechanism 3 to switch the opening direction of the door body 82. It is assumed that the two-way door opening device 100 of the present invention is disposed on the casing 81 of the refrigerator 800. When the door body 82 of the refrigerator 800 needs to be opened to the right side, the dial 31 can be directly rotated counterclockwise, and the dial 31 will be The driving cam 321 rotates counterclockwise, thereby pushing the connecting rod 2 to move to the right. At this time, the blocking portion 20 on the left side of the connecting rod 2 gradually leaves the opening portion 10, thereby being separated from the restriction of the side fixing post 821, thereby causing the refrigerator 800 door The body 82 can be opened from this side, as shown in Fig. 3, which is a state in which the fixing post 821 is detached from the side to open the door body 82.

In the above process, the blocking portion 20 on the right side of the connecting rod 2 further protrudes into the opening portion 10 to restrict the fixing post 821 on the side; in addition, in the toggle mechanism 3, the two tension springs 331 and the push rod 332 Under the force of the present invention, the two-way door opening device 100 of the present invention can effectively maintain the state of the door opening body adjusted by the user, specifically: driving the two push rods 332 while the cam 321 rotates counterclockwise while performing counterclockwise and along the length of the connecting rod 2 When the direction is moved, the first fixed shaft 3321 on the push rod 332 is simultaneously moved clockwise and moved toward the cam 321 in the guiding groove 22, so that the stretching length of the two tension springs 331 becomes shorter, and The tension of the two tension springs 331 causes the state of the cam 321 and the push rod 332 to be preserved; if the cam 321 and the push rod 332 need to be reset, the door body is required. When the 82 is closed, the operation is performed and the tension of the tension spring 331 is overcome.

When it is necessary to set the door body 82 of the refrigerator 800 to be opened to the left side, it is only necessary to operate in reverse in accordance with the above use. It can be seen that the two-way door opening device 100 of the present invention can directly adjust the direction of the door opening body of the door body 82 of the refrigerator 800 by adjusting the dialing mechanism 3, which is simple and convenient, and does not require a professional door-to-door operation, saving time and effort. And its structure is simple and the cost is low.

In summary, the two-way door opening device 100 of the present invention pushes the link 2 to move left and right by the structure of the cam 321 in the toggle mechanism 3, thereby driving the blocking mechanism 20 at both ends of the link 2 to open or close, so that the user can directly operate the dial 31. The opening and closing of the blocking mechanism 20 on both sides of the connecting rod 2 can be realized, and the opening direction of the door body 82 can be switched to the refrigerator 800 provided with the two-way door opening device 100, which is simple and convenient, and does not require professional door operation. It saves time and effort, and its structure is simple and the cost is low. In addition, the two-way door opening device 100 of the present invention can maintain the current state when the door body 82 side of the refrigerator 800 is opened by the setting of the holding mechanism 5, thereby preventing the user from adjusting the toggle mechanism 3 to cause the link. 2 moves, thereby causing the other side of the door body 82 to be opened at the same time, causing the door body 82 to fall off, thereby effectively preventing the door body 82 from coming off.

It should be understood that, although the description is described in terms of embodiments, the embodiments are not intended to be construed as a single. The technical solutions in the embodiments may also be combined as appropriate to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions set forth above are merely illustrative of the possible embodiments of the present invention, and are not intended to limit the scope of the present invention. Changes are intended to be included within the scope of the invention.

Claims

A two-way door opening device comprises a casing, a connecting rod disposed in the casing, and a shifting mechanism matched with the connecting rod to move the connecting rod, and the two ends of the casing are respectively provided with an opening portion that is open to the outside The two ends of the connecting rod are respectively provided with blocking mechanisms that can be extended into the opening portion by the pushing mechanism; wherein the two-way opening device further includes a holding mechanism for maintaining the use state of the connecting rod, the holding mechanism It is fixed between the end of the connecting rod and the housing.
A two-way door opening device according to claim 1, wherein

The holding mechanism includes a positioning member pivotally connected to the housing, a tension spring connecting the housing and the positioning member, a limiting portion disposed on the connecting rod, and a baffle disposed on the housing, the positioning member is provided a positioning portion pivotally connected to the housing, a pulling portion connected to the tension spring, a top portion for abutting against the limiting portion, and a resisting portion for abutting against the baffle; the holding mechanism is The arrangement is such that when the tension spring pulls the positioning member to rotate, the abutting top abuts against the limiting portion, and the abutting portion abuts against the baffle.
A two-way door opening device according to claim 2, wherein

The housing is provided with a first shaft that fixes the tension spring and a second shaft that fixes the positioning member, and the first shaft and the second shaft are distributed on both sides of the opening portion along the longitudinal direction of the connecting rod.
A two-way door opening device according to claim 3, wherein

The first shaft and the baffle are disposed on a side of the opening away from the connecting rod.
A two-way door opening device according to claim 4, wherein

The abutting portion is disposed between the positioning portion and the pulling portion and is disposed to abut one side edge of the opening portion.
A two-way door opening device according to claim 4, wherein

The positioning portion and the limiting portion are located on the same straight line along the longitudinal direction of the connecting rod, and the resisting portion and the positioning portion are located on the same straight line in the width direction of the connecting rod.
A two-way door opening device according to claim 1, wherein

The blocking mechanism is a blocking portion formed directly outward from the two ends of the connecting rod.
A two-way door opening device according to claim 1, wherein

The toggle mechanism includes a dial mounted on the housing and exposed outwardly, a linkage mechanism connecting the dial and the link to drive the link to move left and right, and a limiting mechanism for defining the position of the link.
A two-way door opening device according to claim 7, wherein

The linkage mechanism includes a matching groove formed on the connecting rod, and a cam connected to the dial and disposed in the matching groove; the defining mechanism includes a tension spring pivotally connected to the housing at one end and connected to a push rod between the cam and the tension spring; the push rod is provided with a first fixed shaft fixing the other end of the tension spring, and the connecting rod or the housing is provided with a guiding groove for moving the first fixed shaft therein .
a refrigerator comprising a door body and a box body, wherein

The refrigerator further includes the bidirectional switch door device according to any one of claims 1 to 9, wherein one of the door body and the case is provided with a fixing post, and the bidirectional switch door device is disposed in the case And the other of the door body and cooperates with the fixing column.