CN109779427B - Transmission device of door hinge - Google Patents
Transmission device of door hinge Download PDFInfo
- Publication number
- CN109779427B CN109779427B CN201910224418.3A CN201910224418A CN109779427B CN 109779427 B CN109779427 B CN 109779427B CN 201910224418 A CN201910224418 A CN 201910224418A CN 109779427 B CN109779427 B CN 109779427B
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- connecting rod
- door
- hinge
- rotary cam
- limiting
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 34
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000005457 optimization Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
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- Hinges (AREA)
Abstract
The invention provides a transmission device of a door turning hinge, which comprises a door bracket fixedly installed with a door body and a hinge seat fixedly installed with a cabinet body, wherein the hinge seat is provided with a transmission assembly which is convenient for the door bracket to drive the door body to open and close on the cabinet body, the transmission assembly comprises a rotary cam, a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are mutually and crossly connected, the positioning end of the first connecting rod and the positioning end of the second connecting rod are respectively hinged at the swinging end of the rotary cam, the pushing end of the first connecting rod and the pushing end of the second connecting rod are respectively hinged on the door bracket, and the fixed end shaft of the rotary cam is connected on the hinge seat.
Description
Technical Field
The invention relates to the technical field of hinges, in particular to a transmission device of a door-turning hinge.
Background
At present, the door turning hinge comprises a door seat fixedly arranged on a door body, a door frame seat fixedly arranged on a cabinet body and a double-rocker mechanism hinged between the door seat and the door frame seat, wherein the double-rocker mechanism is hinged with the door seat serving as a connecting rod and the door frame seat serving as a rack respectively by utilizing a double rocker; the door seat is provided with right-angle surfaces, one plane of the right-angle surfaces is a hinged surface of the double rocking bars, the other plane perpendicular to the right-angle surface is a connecting surface of the door, a connecting hole is formed in the door frame seat, two parallel planes are fixedly connected through a middle support, one parallel surface is a hinged surface of the double rocking bars, the other parallel surface is a connecting surface of the door frame, and the connecting hole is formed in the door frame seat. Therefore, when the door body is in the open and close positions, the door seat serving as the connecting rod moves along with the movement of the double rocker from the horizontal position to the vertical position, so that the door fixedly connected with the door seat also performs opening and closing actions. During the period, one rocker in the double rockers at the opening and closing positions is abutted against the other rocker, and a tension spring is connected between the door seat and the door frame seat, so that the cabinet door is positioned at the opening and closing positions.
The door hinge can realize the upward turning of the cabinet door, is convenient to operate, but still has the following defects:
1) The double rocker drives the door seat to be horizontally and vertically arranged, so that the door body can only be opened by 90 degrees, the opening amplitude of the door body is limited, and the requirement of a user cannot be met.
2) In the transmission process, the double rocking bars bear the weight of the door, and if the weight of the door is too large, the double rocking bars of the hinge are easy to deform, so that the door body is difficult to open and close normally, and the using quality of the upturning door cabinet is affected.
3) The spring is used for overcoming the counter moment of the dead weight of the cabinet door, so that the cabinet door is positioned at the opening and closing positions; in the use of long in time, the spring is easy to lose efficacy, and the hinge support dynamics is not enough and can't play the supporting role to the gravity of cabinet door, drops even, influences the life of upturning door cabinet, also has the potential safety hazard of use.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a transmission device of a door turning hinge, which has a simple structure, increases the door opening amplitude and closing force of a door body by using a cross connection transmission mode, adapts to the requirements of users, improves the supporting force, reduces the deformation probability, strengthens the use stability, achieves reliable and practical opening and closing positioning of a door cabinet, and ensures the use quality of the door cabinet.
The invention aims at realizing the following steps: the utility model provides a transmission of hinge turns over, includes door body fixed mounting's door support, with cabinet body fixed mounting's hinge seat, wherein, the hinge seat is equipped with the transmission sub-assembly that the door body of being convenient for drove and opens and shuts on the cabinet body, and the transmission sub-assembly includes rotatory cam, first connecting rod, second connecting rod, first connecting rod and second connecting rod cross connection each other, and the locating terminal of first connecting rod articulates respectively at rotatory cam's swing terminal with the locating terminal of second connecting rod, and the pushing end of first connecting rod articulates respectively on the door support with the pushing end of second connecting rod, rotatory cam's fixed end hub connection is on the hinge seat.
According to the optimization, the middle part of the first connecting rod is provided with a middle hinged column which is used for being mutually and cross-connected with the middle part of the second connecting rod.
According to the optimization, the positioning end of the first connecting rod and the positioning end of the second connecting rod are sequentially hinged on the swinging end of the rotary cam from bottom to top, and the pushing end of the first connecting rod and the pushing end of the second connecting rod are sequentially hinged on the door bracket from top to bottom.
According to the optimization, the first connecting rod and the second connecting rod are mutually connected in a cross mode and simultaneously form a triangular butt joint transmission assembly which deforms along with the opening and closing of the door body together with the rotary cam and the door bracket.
According to the optimization, the positioning end of the first connecting rod is provided with the guide component for controlling the directional opening of the door body.
According to the optimization, the guide assembly comprises a guide block, the guide block is arranged at the positioning end of the first connecting rod, and the hinge seat is provided with a guide groove in sliding connection with the guide block.
And according to the optimization, the shape of the guide groove is consistent with the sliding track of the door bracket.
According to the optimization, the swing end of the rotary cam is provided with the closing limiting concave position for limiting the closing position of the door bracket, and the guide block slides to the left end of the guide groove and is matched with the closing limiting concave position for installation.
According to the optimization, the right upper end of the hinge seat is provided with the limiting column for limiting the opening position of the door bracket, and the outer edge of the positioning end of the first connecting rod is provided with the opening limiting concave position which is matched with the limiting column for installation while swinging to the right along with the swinging end of the rotating cam.
The invention has the advantages that:
1) When the door body is turned upwards or downwards, the first connecting rod and the second connecting rod are linked to the rotary cam to swing outwards or inwards, and under the structural cooperation of the rotary cam, the first connecting rod and the second connecting rod, the door body is turned upwards and downwards, the operation is convenient, the door opening amplitude and the closing force of the door body are increased, and the use reliability and the practicability of the cabinet door are improved.
2) The first connecting rod and the second connecting rod are mutually connected in a cross manner and are respectively hinged to the rotary cam and the door bracket, so that the first connecting rod and the second connecting rod are provided with the triangular butt joint transmission assembly, and the supporting strength during operation is increased under the triangular deformation transmission effect of the triangular butt joint transmission assembly in the door overturning process, the deformation probability of the transmission assembly is reduced, the transmission stability is improved, and the using effect of the hinge is ensured.
3) Through addding the guide component, under the cooperation of guide block and guide way of guide component, the motion track of control door body support effectively, the direction is stable, increases operation bearing capacity, improves the stability in use and the smoothness nature of hinge, ensures the normal operating of turning over the door.
4) The structure of the closed limit concave position and the guide block and the open limit concave position and the limit column is matched, so that the door body is reliably positioned in an opening and closing mode, the stability of the structure is improved, the use safety is improved, and the use quality of products is ensured.
Drawings
Fig. 1 is a front view showing a closed state according to a preferred embodiment of the present invention.
Fig. 2 is a cross-sectional view of a preferred embodiment of the present invention in a closed position.
FIG. 3 is a diagram showing the transmission relation of the closed state according to the preferred embodiment of the present invention.
Fig. 4 is a front view showing an opened state of the preferred embodiment of the present invention.
Fig. 5 is a sectional view showing an opened state of the preferred embodiment of the present invention.
FIG. 6 is a diagram showing the transmission relation of the open state of the preferred embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
According to the invention, as shown in fig. 1 to 6, the transmission device of the door hinge comprises a door bracket 1 fixedly arranged on a door body and a hinge seat 2 fixedly arranged on a cabinet body. The hinge seat 2 is provided with a transmission assembly which is convenient for the door bracket 1 to drive the door body to open and close on the cabinet body, and the transmission assembly comprises a rotary cam 3, a first connecting rod 4 and a second connecting rod 5. The first connecting rod 4 and the second connecting rod 5 are in cross connection with each other, the positioning end of the first connecting rod 4 and the positioning end of the second connecting rod 5 are respectively hinged to the swinging end of the rotary cam 3, the pushing end of the first connecting rod 4 and the pushing end of the second connecting rod 5 are respectively hinged to the door bracket 1, and the fixed end of the rotary cam 3 is connected to the hinge base 2 through a shaft.
When the door body is turned upwards or downwards, the first connecting rod 4 and the second connecting rod 5 link the rotary cam 3 to swing outwards or inwards, and under the structural cooperation of the rotary cam 3, the first connecting rod 4 and the second connecting rod 5, the door body is turned upwards and downwards, the operation is convenient, the door opening amplitude and the closing force of the door body are increased, and the use reliability and the practicability of the cabinet door are improved.
Referring to fig. 1 to 6, the positioning end of the first link 4 and the positioning end of the second link 5 are sequentially hinged on the swinging end of the rotating cam 3 from bottom to top, and the pushing end of the first link 4 and the pushing end of the second link 5 are sequentially hinged on the door bracket 1 from top to bottom.
The first link 4 and the second link 5 are connected to each other in a crossing manner, and form a cam butt transmission assembly which deforms with the opening and closing of the door body with the rotary cam 3 and the door bracket 1.
In the door turning process, under the triangular deformation transmission effect of the triangular butt joint transmission assembly, the supporting strength during operation is increased, the deformation probability of the transmission assembly is reduced, the transmission stability is improved, and the using effect of the hinge is ensured.
In practical application, the middle part of the first connecting rod 4 is provided with a middle part hinge post 6 which is used for being mutually and cross-connected with the middle part of the second connecting rod 5. Further improving the supporting strength, reducing the deformation probability and ensuring the transmission performance.
Referring to fig. 1 to 6, a guide assembly for controlling the directional opening of the door body is mounted at the positioning end of the first link 4. The guide assembly comprises a guide block 7, the guide block 7 is arranged at the positioning end of the first connecting rod 4, and the hinge seat 2 is provided with a guide groove 8 which is in sliding connection with the guide block 7. Wherein the shape of the guide groove 8 is matched with the sliding track of the door bracket 1.
Therefore, under the cooperation of the guide block 7 and the guide groove 8 of the guide assembly, the motion track of the door body bracket is effectively controlled, the guide is stable, the running bearing capacity is increased, the use stability and smoothness of the hinge are improved, and the normal running of the door turning over is ensured.
Referring to fig. 1 to 6, the swing end of the rotating cam 3 is provided with a closing limiting concave position 9 for limiting the closing position of the door bracket 1, and the guide block 7 is matched with the closing limiting concave position 9 while sliding to the left end of the guide groove 8. The right upper end of the hinge seat 2 is provided with a limiting column 10 for limiting the open position of the door bracket 1, and the outer edge of the positioning end of the first connecting rod 4 is provided with an opening limiting concave position 11 which is matched with the limiting column 10 for installation while swinging to the right along with the swinging end of the rotating cam 3.
The structure of the closed limit concave position 9, the guide block 7, the open limit concave position 11 and the limit column 10 is matched, so that the door body is reliably opened and closed, the structural stability is improved, the use safety is improved, and the use quality of products is ensured.
The above embodiments are only specific embodiments with good effects, and all the structures identical or equivalent to the transmission device of the hinge of the door are within the protection scope of the invention.
Claims (5)
1. The utility model provides a transmission of hinge turns over, includes and door body fixed mounting's door holder, with cabinet body fixed mounting's hinge seat, its characterized in that: the hinge seat is provided with a transmission assembly which is convenient for the door bracket to drive the door body to open and close on the cabinet body, the transmission assembly comprises a rotary cam (3), a first connecting rod (4) and a second connecting rod (5), the first connecting rod (4) and the second connecting rod (5) are mutually connected in a cross manner, the positioning end of the first connecting rod (4) and the positioning end of the second connecting rod (5) are respectively hinged at the swinging end of the rotary cam (3), the pushing end of the first connecting rod (4) and the pushing end of the second connecting rod (5) are respectively hinged on the door bracket (1), and the fixed end of the rotary cam (3) is connected on the hinge seat (2) in a shaft manner;
the positioning end of the first connecting rod (4) and the positioning end of the second connecting rod (5) are sequentially hinged on the swinging end of the rotary cam (3) from bottom to top, and the pushing end of the first connecting rod (4) and the pushing end of the second connecting rod (5) are sequentially hinged on the door bracket (1) from top to bottom;
The first connecting rod (4) and the second connecting rod (5) are mutually connected in a cross way and form a triangular butt joint transmission assembly which deforms along with the opening and closing of the door body together with the rotary cam (3) and the door bracket (1);
A guide component for controlling the directional opening of the door body is arranged at the positioning end of the first connecting rod (4);
The guide assembly comprises a guide block (7), the guide block (7) is arranged at the positioning end of the first connecting rod (4), and the hinge seat (2) is provided with a guide groove (8) which is in sliding connection with the guide block (7).
2. The door hinge actuator of claim 1, wherein: the middle part of the first connecting rod (4) is provided with a middle part hinge post (6) which is used for being mutually and cross-connected with the middle part of the second connecting rod (5).
3. The door hinge actuator of claim 1, wherein: the shape of the guide groove (8) is in accordance with the sliding track of the door bracket (1).
4. The door hinge actuator of claim 1, wherein: the swing end of the rotary cam (3) is provided with a closing limiting concave position (9) for limiting the closing position of the door bracket (1), and the guide block (7) slides to the left end of the guide groove (8) and is matched with the closing limiting concave position (9).
5. The door hinge actuator of claim 1, wherein: the right upper end of the hinge seat (2) is provided with a limiting column (10) for limiting the opening position of the door bracket (1), and the outer edge of the positioning end of the first connecting rod (4) is provided with an opening limiting concave position (11) which is matched with the limiting column (10) for installation while swinging to the right along with the swinging end of the rotating cam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224418.3A CN109779427B (en) | 2019-03-23 | 2019-03-23 | Transmission device of door hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224418.3A CN109779427B (en) | 2019-03-23 | 2019-03-23 | Transmission device of door hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109779427A CN109779427A (en) | 2019-05-21 |
| CN109779427B true CN109779427B (en) | 2024-05-10 |
Family
ID=66491341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910224418.3A Active CN109779427B (en) | 2019-03-23 | 2019-03-23 | Transmission device of door hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109779427B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952368A (en) * | 1974-01-16 | 1976-04-27 | Ernst Zernig | Hinges |
| WO1990015911A1 (en) * | 1989-06-21 | 1990-12-27 | Prämeta Gesellschaft Für Präzisionsmetall- Und Kunststofferzeugnisse Mbh & Co. Kg | Hinge |
| JPH07119348A (en) * | 1993-03-31 | 1995-05-09 | Arturo Salice Spa | Hinge for coupling joint of two plate for door |
| US6918160B1 (en) * | 2001-06-06 | 2005-07-19 | Tecla Company, Inc. | Fold-up marine furniture component with articulated bracket support |
| JP2007032174A (en) * | 2005-07-29 | 2007-02-08 | Sugatsune Ind Co Ltd | Hinge with catching mechanism |
| CN200949375Y (en) * | 2006-09-01 | 2007-09-19 | 李俊波 | 180 degree concealed hinge |
| JP2012067598A (en) * | 2012-01-06 | 2012-04-05 | Sugatsune Ind Co Ltd | Slide hinge and storage device |
| CN103527042A (en) * | 2013-10-28 | 2014-01-22 | 哈尔滨通达工业环保自动化有限公司 | Outward swinging and upward flapping device and method for emergency evacuation door |
| CN103764931A (en) * | 2011-06-20 | 2014-04-30 | 利塔尔两合公司 | Internal 180-degree hinge for an arrangement of cabinets in a row |
| CN208025940U (en) * | 2018-04-09 | 2018-10-30 | 江苏星徽精密科技有限公司 | A kind of built-in refrigerator buffer hinge |
| CN109209088A (en) * | 2018-09-06 | 2019-01-15 | 江苏星徽精密科技有限公司 | A kind of bidirectional buffering oven hinge with automatic closure and hovering function |
| CN209817699U (en) * | 2019-03-23 | 2019-12-20 | 广东星徽精密制造股份有限公司 | Transmission device of flap hinge |
-
2019
- 2019-03-23 CN CN201910224418.3A patent/CN109779427B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952368A (en) * | 1974-01-16 | 1976-04-27 | Ernst Zernig | Hinges |
| WO1990015911A1 (en) * | 1989-06-21 | 1990-12-27 | Prämeta Gesellschaft Für Präzisionsmetall- Und Kunststofferzeugnisse Mbh & Co. Kg | Hinge |
| JPH07119348A (en) * | 1993-03-31 | 1995-05-09 | Arturo Salice Spa | Hinge for coupling joint of two plate for door |
| US6918160B1 (en) * | 2001-06-06 | 2005-07-19 | Tecla Company, Inc. | Fold-up marine furniture component with articulated bracket support |
| JP2007032174A (en) * | 2005-07-29 | 2007-02-08 | Sugatsune Ind Co Ltd | Hinge with catching mechanism |
| CN200949375Y (en) * | 2006-09-01 | 2007-09-19 | 李俊波 | 180 degree concealed hinge |
| CN103764931A (en) * | 2011-06-20 | 2014-04-30 | 利塔尔两合公司 | Internal 180-degree hinge for an arrangement of cabinets in a row |
| JP2012067598A (en) * | 2012-01-06 | 2012-04-05 | Sugatsune Ind Co Ltd | Slide hinge and storage device |
| CN103527042A (en) * | 2013-10-28 | 2014-01-22 | 哈尔滨通达工业环保自动化有限公司 | Outward swinging and upward flapping device and method for emergency evacuation door |
| CN208025940U (en) * | 2018-04-09 | 2018-10-30 | 江苏星徽精密科技有限公司 | A kind of built-in refrigerator buffer hinge |
| CN109209088A (en) * | 2018-09-06 | 2019-01-15 | 江苏星徽精密科技有限公司 | A kind of bidirectional buffering oven hinge with automatic closure and hovering function |
| CN209817699U (en) * | 2019-03-23 | 2019-12-20 | 广东星徽精密制造股份有限公司 | Transmission device of flap hinge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109779427A (en) | 2019-05-21 |
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