CN216767061U - Automatic door closing mechanism applied to refrigerator hinge - Google Patents
Automatic door closing mechanism applied to refrigerator hinge Download PDFInfo
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- CN216767061U CN216767061U CN202120203523.1U CN202120203523U CN216767061U CN 216767061 U CN216767061 U CN 216767061U CN 202120203523 U CN202120203523 U CN 202120203523U CN 216767061 U CN216767061 U CN 216767061U
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Abstract
The utility model provides an automatic door closing mechanism applied to a refrigerator hinge, which comprises a fixed seat, a base, a hinged arm, a connecting arm and a linkage assembly, wherein the hinged arm, the connecting arm and the linkage assembly are hinged between the fixed seat and the base, the linkage assembly is provided with a power assembly, the power assembly comprises an elastic boosting group, a triangular bracket and a cam piece, the positioning end of the elastic boosting group is positioned and connected to the hinged arm, the elastic movable end of the elastic boosting group is connected to the positioning end of the triangular bracket, the connecting end of the triangular bracket is provided with a roller, the positioning end of the cam piece is connected with the connecting end of the linkage assembly, the swinging end of the cam piece is connected to a rotating shaft, and the cam piece is provided with a cam profile which is in sliding connection with the roller under the elastic action of the elastic boosting group to generate a rotating force arm, so that the swinging end of the triangular bracket rotates towards the direction of the connecting arm. Optimize the structure, have great door closing force, strengthen the closure performance, and realize closing automatically, convenient operation promotes the smooth and easy degree of feeling among the switch door motion process, ensures the result of use of product.
Description
Technical Field
The utility model relates to the technical field of refrigerator hinges, in particular to an automatic door closing mechanism applied to a refrigerator hinge.
Background
At present, the refrigerator hinge has the advantages of good closing performance, high rotation stability and the like in order to realize the rotation opening or closing of a refrigerator door body.
However, the existing refrigerator hinge has the following disadvantages in practical application:
1) the traditional refrigerator hinge has a short force arm generated by rotation, so that the external force for rotating the refrigerator door body is large, the operation is inconvenient, and the smooth hand feeling in the motion process of opening and closing the refrigerator door body is reduced;
2) after a refrigerator door body is closed, the traditional refrigerator hinge has a large gap and poor closing performance, and water vapor, dirt and the like are easy to accumulate;
3) the traditional refrigerator hinge structure has complex parts, is difficult to realize the hovering of a door body greatly, and has poor use effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides an automatic door closing mechanism applied to a refrigerator hinge, which has an optimized structure, has larger door closing force, enhances the closing performance, realizes automatic door closing, is convenient to operate, improves the smooth hand feeling in the door opening and closing movement process, and ensures the using effect of products.
The utility model aims to realize the following steps: an automatic door closing mechanism applied to a refrigerator hinge comprises a fixed seat arranged on a cabinet body, a base arranged on a door body, a hinged arm, a connecting arm and a linkage assembly, wherein the hinged arm, the connecting arm and the linkage assembly are hinged between the fixed seat and the base, the swinging end of the linkage assembly is connected to the connecting arm, the hinged arm is hinged to the connecting arm through a rotating shaft, the linkage assembly is provided with a power assembly which enables the door body to be automatically folded into the cabinet body when rotating, the power assembly comprises an elastic power assisting group, a triangular support and a cam member, the positioning end of the elastic power assisting group is positioned and connected to the hinged arm, the elastic movable end of the elastic power assisting group is connected to the positioning end of the triangular support, a roller is arranged at the connecting end of the triangular support, the positioning end of the cam member is connected with the connecting end of the linkage assembly, and the swinging end of the cam member is connected to the rotating shaft,
and the cam member is provided with a cam profile which is connected with the roller in a sliding way under the elastic action of the elastic boosting group to generate a rotating force arm so as to enable the swinging end of the triangular bracket to rotate towards the direction of the connecting arm.
According to the optimization, the cam profile and the rotating shaft are concentric circle areas, and the cam profile is connected with the idler wheel without generating a rotating force arm, so that the base can be suspended on the fixed seat freely.
According to the optimization, the linkage assembly comprises a first connecting rod and a second connecting rod, the hinged arm and the connecting arm are sequentially hinged between the fixed seat and the base, the head end and the tail end of the first connecting rod are respectively hinged to the fixed seat and the connecting arm, and the tail end of the head end of the second connecting rod is respectively hinged to the middle of the first connecting rod and the base;
the base is opened and closed on the fixed seat and drives the connecting arm and the hinged arm to be opened outwards or folded inwards between the base and the fixed seat, and simultaneously drives the first connecting rod and the second connecting rod to be opened outwards or folded inwards between the hinged arm and the connecting arm.
According to the optimization, the connecting arm is provided with a connecting concave position which is matched and connected with the triangular support in a folded state.
According to the optimization, the connecting concave position is connected with the swinging end of the triangular support, the roller is connected to one end of the cam profile, and a door closing force arm is generated on the base by the triangular support under the elastic action of the elastic assisting group, so that the base is folded on the fixed seat.
According to the optimization, the elastic boosting group comprises a guide rod, a spring and an ejector rod, one end of the guide rod is connected to the inner side of the hinged arm in a positioning mode, the ejector rod is slidably mounted at the other end of the guide rod, the spring is sleeved on the guide rod, two ends of the spring are connected with the guide rod and the ejector rod respectively, and one end of the ejector rod is fixedly mounted at the positioning end of the triangular support.
The utility model has the advantages that:
1) by adopting the automatic door closing structure, when the refrigerator door body is opened at a certain angle, the cam profile and the rotating shaft are concentric areas, the contact point of the roller and the cam piece is on the connecting line of the two shafts, the elastic acting force of the elastic assisting group directly passes through the rotating center of the cam piece, the rotating arm is not generated, the door body can be greatly kept in a hovering position, the operation is convenient, and the use stability is high.
2) By adopting the automatic door closing structure, after the refrigerator door body is closed to a certain angle, the refrigerator door body passes through the hovering position, the force of the roller on the cam piece generates a rotating force arm to generate door closing assisting force, automatic door closing is realized, the triangular support starts to rotate in the automatic door closing stage, the operation is convenient, and the hand feeling smoothness in the movement process of the opening and closing refrigerator door body is improved.
3) By adopting the automatic door closing structure, when the refrigerator hinge is in a closed state, the elastic force of the elastic assisting group is transmitted to the cam piece through the roller to form a door closing force value, the door closing force arm is the largest at the moment, the large door closing force is ensured, the closing performance is enhanced, the accumulation of water vapor, dirt and the like is avoided, and the use quality of a product is ensured.
Drawings
FIG. 1 is a schematic structural diagram of a hovering state according to a preferred embodiment of the present invention.
Fig. 2 is a partially enlarged view of fig. 1 according to the preferred embodiment of the present invention.
FIG. 3 is a diagram of the auto-close state of the preferred embodiment of the present invention.
Fig. 4 is a close-up view of the preferred embodiment of the present invention.
FIG. 5 is a force diagram illustrating the closed state of the preferred embodiment of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the automatic door closing mechanism applied to the refrigerator hinge of the present invention includes a fixing seat 1 installed on a cabinet, a base 2 installed on a door, a hinge arm 3 hinged between the fixing seat 1 and the base 2, a connecting arm 4, and a linkage assembly, wherein a swing end of the linkage assembly is connected to the connecting arm 4, and the hinge arm 3 is hinged to the connecting arm 4 through a rotating shaft 8. The linkage assembly is provided with a power assembly which enables the door body to be automatically folded into the cabinet body when rotating. The power assembly comprises an elastic boosting group 5, a triangular support 6 and a cam part 7, wherein the positioning end of the elastic boosting group 5 is positioned and connected to the hinged arm 3, and the elastic movable end of the elastic boosting group 5 is connected to the positioning end of the triangular support 6. The connecting end of the triangular bracket 6 is provided with a roller 9, the positioning end of the cam piece 7 is connected with the connecting end of the linkage component, the swinging end of the cam piece 7 is connected on the rotating shaft 8, and the cam piece 7 is provided with a cam profile 10 which is in sliding connection with the roller 9 under the elastic action of the elastic assisting group 5 to generate a rotating force arm, so that the swinging end of the triangular bracket 6 rotates towards the connecting arm 4.
In an optimized scheme, the cam profile 10 and the rotating shaft 8 are concentric circular areas, and the cam profile 10 is connected with the roller 9 without generating a rotating arm of force, so that the base 2 is formed to freely hover on the fixed seat 1.
Namely, when the refrigerator door body is opened at a certain angle, the cam profile 10 and the rotating shaft 8 are concentric circle areas, the contact point of the roller 9 and the cam piece 7 is on the two-axis connection line of the rotating shaft 8 and the cam piece 7, the elastic acting force of the elastic force-assisting group 5 directly passes through the rotating center of the cam piece 7, the rotating arm of force is not generated, the hovering position of the door body can be greatly kept unchanged in the concentric circle area, the operation is convenient, and the use stability is high.
After the refrigerator door body is closed to a certain angle, the refrigerator door body passes through a concentric circle region, after the refrigerator door body crosses a suspension position, the roller 9 generates a rotating force arm to the force of the cam piece 7 to generate door closing assisting force, automatic door closing is achieved, the triangular support 6 starts to rotate in the automatic door closing stage, operation is convenient, and the hand feeling smoothness in the motion process of the opening and closing refrigerator door body is improved.
When the refrigerator hinge is in a closed state, the elastic force of the elastic force-assisting group 5 is transmitted to the cam member 7 through the roller 9 to form a door-closing force value, the door-closing force arm is the largest at the moment, the large door-closing force is ensured, the closing performance is enhanced, the accumulation of water vapor, dirt and the like is avoided, and the use quality of a product is ensured.
Referring to fig. 1 to 5, in further detail, the linkage assembly includes a first connecting rod 11 and a second connecting rod 12, the hinge arm 3 and the connecting arm 4 are sequentially hinged between the fixing base 1 and the base 2, the head end and the tail end of the first connecting rod 11 are respectively hinged on the fixing base 1 and the connecting arm 4, and the tail end of the head end of the second connecting rod 12 is respectively hinged on the middle of the first connecting rod 11 and the base 2.
The base 2 is opened and closed on the fixed seat 1 and drives the connecting arm 4 and the hinged arm 3 to be opened outwards or folded inwards between the base 2 and the fixed seat 1, and simultaneously drives the first connecting rod 11 and the second connecting rod 12 to be opened outwards or folded inwards between the hinged arm 3 and the connecting arm 4. The stability of the structure is enhanced, and the smooth hand feeling degree of the opening and closing refrigerator door body in the motion process is improved.
The connecting arm 4 is provided with a connecting recess 13 for matching with the triangular bracket 6 in a folding state. The connecting concave position 13 is connected with the swinging end of the triangular support 6, the roller 9 is connected with one end of the cam profile 10, and a door closing force arm is generated on the base 2 by the triangular support 6 under the elastic action of the elastic assisting group 5, so that the base 2 is folded on the fixed seat 1. Optimized this automatic door structure of closing, promoted structural stability, guaranteed big door closing power, reduced the space that the inside part of hinge produced, avoided accumulations such as steam, dirt.
Referring to fig. 1 to 5, the elastic assisting set 5 includes a guide rod 51, a spring 52, and a push rod 53, wherein one end of the guide rod 51 is positioned and connected to the inner side of the hinge arm 3, the other end of the guide rod 51 is slidably provided with the push rod 53, the spring 52 is sleeved on the guide rod 51, two ends of the spring are respectively connected to the guide rod 51 and the push rod 53, and one end of the push rod 53 is fixedly installed on the positioning end of the triangular bracket 6.
Through the structural cooperation of the guide rod 51, the spring 52 and the ejector rod 53 of the elastic assistance group 5, the structural stability of the elastic assistance group 5 is improved, the elastic acting force is transmitted on the cam piece 7 through the roller 9, the sufficient door closing force or the automatic door closing rib force is ensured, and the closing performance and the operation performance of the opening and closing door are enhanced.
The above embodiments are only embodiments with better effects, and all the structures that are the same as or equivalent to the automatic door closing mechanism applied to the refrigerator hinge are within the protection scope of the present invention.
Claims (6)
1. The utility model provides an automatic door closing mechanism for on refrigerator hinge, is including installing fixing base (1) at the cabinet body, installing base (2) at the door body and articulate articulated arm (3), linking arm (4), the interlock subassembly between fixing base (1) and base (2), the swing end of interlock subassembly is connected on linking arm (4), articulated arm (3) are articulated its characterized in that through pivot (8) and linking arm (4): the linkage assembly is provided with a power assembly for automatically folding the door body into the cabinet body when the door body rotates, the power assembly comprises an elastic boosting group (5), a triangular bracket (6) and a cam piece (7), the positioning end of the elastic boosting group (5) is positioned and connected to the hinged arm (3), the elastic movable end of the elastic boosting group (5) is connected to the positioning end of the triangular bracket (6), a roller (9) is installed at the connecting end of the triangular bracket (6), the positioning end of the cam piece (7) is connected with the connecting end of the linkage assembly, the swinging end of the cam piece (7) is connected to the rotating shaft (8),
and the cam member (7) is provided with a cam profile (10) which is connected with the roller (9) in a sliding way under the elastic action of the elastic boosting group (5) to generate a rotating force arm so as to enable the swinging end of the triangular bracket (6) to rotate towards the connecting arm (4).
2. The automatic door closing mechanism applied to the refrigerator hinge according to claim 1, characterized in that: the cam profile (10) and the rotating shaft (8) are concentric circle areas, and the cam profile (10) is connected with the roller (9) without generating a rotating arm of force, so that the base (2) can freely hover on the fixed seat (1).
3. The automatic door closing mechanism applied to the refrigerator hinge according to claim 1, characterized in that: the linkage assembly comprises a first connecting rod (11) and a second connecting rod (12), the hinged arm (3) and the connecting arm (4) are sequentially hinged between the fixed seat (1) and the base (2), the head end and the tail end of the first connecting rod (11) are respectively hinged to the fixed seat (1) and the connecting arm (4), and the tail end of the head end of the second connecting rod (12) is respectively hinged to the middle of the first connecting rod (11) and the base (2);
the base (2) is opened and closed on the fixing seat (1) and drives the connecting arm (4) and the hinged arm (3) to be opened outwards or folded inwards between the base (2) and the fixing seat (1), and meanwhile, the first connecting rod (11) and the second connecting rod (12) are driven to be opened outwards or folded inwards between the hinged arm (3) and the connecting arm (4).
4. The automatic door closing mechanism applied to the refrigerator hinge according to claim 3, characterized in that: the connecting arm (4) is provided with a connecting concave position (13) which is matched and connected with the triangular support (6) in a folding state.
5. The automatic door closing mechanism applied to the refrigerator hinge according to claim 4, wherein: the connecting concave position (13) is connected with the swinging end of the triangular support (6), the roller (9) is connected with one end of the cam profile (10), and a door closing force arm is generated on the base (2) by the triangular support (6) under the elastic action of the elastic assisting group (5), so that the base (2) is folded on the fixed seat (1).
6. The automatic door closing mechanism applied to the refrigerator hinge according to any one of claims 1 to 5, characterized in that: elasticity helping hand group (5) are including guide bar (51), spring (52), ejector pin (53), the one end location of guide bar (51) is connected in the inboard of articulated arm (3), and ejector pin (53) are equipped with in the other end cunning of guide bar (51), spring (52) suit is connected with guide bar (51), ejector pin (53) on guide bar (51) and its both ends respectively, the one end fixed mounting of ejector pin (53) is served in the location of A-frame (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120203523.1U CN216767061U (en) | 2021-01-25 | 2021-01-25 | Automatic door closing mechanism applied to refrigerator hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120203523.1U CN216767061U (en) | 2021-01-25 | 2021-01-25 | Automatic door closing mechanism applied to refrigerator hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216767061U true CN216767061U (en) | 2022-06-17 |
Family
ID=81954357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120203523.1U Active CN216767061U (en) | 2021-01-25 | 2021-01-25 | Automatic door closing mechanism applied to refrigerator hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216767061U (en) |
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2021
- 2021-01-25 CN CN202120203523.1U patent/CN216767061U/en active Active
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Address after: 225300 north side of Yongfeng Road, high tech Industrial Park, Gaogang District, Taizhou City, Jiangsu Province Patentee after: Jiangsu Jiuxing Precision Technology Group Co.,Ltd. Address before: 225300 north side of Yongfeng Road, high tech Industrial Park, Gaogang District, Taizhou City, Jiangsu Province Patentee before: JIANGSU SACA PRECISION TECHNOLOGY Co.,Ltd. |