CN109838165B - Buffer device for upturning door hinge - Google Patents
Buffer device for upturning door hinge Download PDFInfo
- Publication number
- CN109838165B CN109838165B CN201910224419.8A CN201910224419A CN109838165B CN 109838165 B CN109838165 B CN 109838165B CN 201910224419 A CN201910224419 A CN 201910224419A CN 109838165 B CN109838165 B CN 109838165B
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- Prior art keywords
- buffer
- connecting rod
- positioning
- door
- hinge
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- 239000000872 buffer Substances 0.000 title claims abstract description 100
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000003139 buffering effect Effects 0.000 claims description 20
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 238000005457 optimization Methods 0.000 description 9
- 238000013016 damping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Hinges (AREA)
Abstract
The invention provides a buffer device for an upturning door hinge, which comprises a door bracket fixedly installed on a door body and a hinge seat fixedly installed on a cabinet body, wherein a transmission assembly for driving the door body to open and close on the cabinet body is hinged between the hinge seat and the connection of the door bracket, the transmission assembly comprises a first connecting rod and a second connecting rod, the two ends of the first connecting rod and the second connecting rod are hinged on the door bracket and the hinge seat at the same time when the first connecting rod and the second connecting rod are in cross connection, a connecting buffer end of the two-way buffer device is fixedly connected at the cross position of the first connecting rod and is in sliding connection at the cross position of the second connecting rod, and positioning buffer ends of the two-way buffer device are respectively fixedly installed at the hinge position of the door bracket and the second connecting rod.
Description
Technical Field
The invention relates to the field of upturning door hinges, in particular to a buffer device for an upturning door hinge.
Background
The existing upturned door hinge comprises a main body, a spring, a hook lock and a hook; the spring, the hook lock and the hook are respectively arranged on the main body; the hook and the spring are respectively connected with the hook lock. The spring force of the spring is utilized to open the support of the turndown door, so that the turndown door is not hung down, and the turndown door can not rebound at any angle.
In actual operation, the above-mentioned flip-up door hinge has the following disadvantages:
1. the bearing capacity is poor, and when the weight of the door body is large, the hinge is easy to deform, so that the normal use of the door is influenced.
2. During the door turning, under the action of gravity or supporting elastic force, the door turning-up is turned up to be closed or opened in a rotating way at too high speed, so that the door body and the cabinet body and the door body and the transmission part are easy to collide to generate noise, the door body, the cabinet body and the transmission part are easy to damage, the stability of the hinge is reduced, the service life of the hinge is shortened, and the service life of a product is influenced.
3. The door body can only be opened by 90 degrees, so that the opening amplitude of the door body is limited, and the requirements of users cannot be met.
Accordingly, conventional roll-up door hinges remain to be improved further.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the buffer device for the upturning door hinge, which has the advantages of simple structure, high transmission performance, high bearing strength, bidirectional buffer and good buffer effect, and effectively protects the hinge, the door body and the cabinet body.
The invention aims at realizing the following steps: the utility model provides a buffer that upturning door hinge was used, includes door body fixed mounting's door holder, with cabinet body fixed mounting's hinge seat, articulated between the connection of hinge seat and door holder have the drive assembly that drives the door body and open and shut and use on the cabinet body, drive assembly includes first connecting rod and second connecting rod, and first connecting rod and second connecting rod cross connection's both ends hinge on door holder and hinge seat simultaneously, install two-way buffer in the second connecting rod, two-way buffer's connection buffer fixed connection is in the junction of first connecting rod while sliding connection is in the junction of second connecting rod, two-way buffer's location buffer respectively fixed mounting is in the hinge of door holder and second connecting rod.
According to the optimization, the bidirectional buffer device comprises a buffer inner rail, a buffer outer rail and a buffer damper, wherein the buffer inner rail is slidably arranged in an inner cavity of the buffer outer rail, the buffer outer rail is fixedly connected with a positioning slide block, the positioning slide block is slidably connected with the buffer inner rail, the buffer inner rail is slidably connected with a connecting slide block, the buffer damper is arranged in the inner cavity of the buffer inner rail, and two ends of the buffer damper are respectively connected with the positioning slide block and the connecting slide block.
According to the optimization, the buffer outer rail is longitudinally provided with the positioning pin fixedly connected with the positioning slide block, and the buffer inner rail is provided with the positioning slide groove which is used for relative sliding connection with the positioning pin and the connecting slide block.
According to the optimization, the buffer inner rail is provided with the locating slot and the connecting slot for limiting the locating pin and connecting the sliding position of the sliding block, and the locating slot and the connecting slot are respectively arranged on the bottom surface of the buffer inner rail.
According to the optimization, the upper end and the lower end of the connecting sliding block are respectively provided with convex edges which slide on the positioning sliding groove and the connecting groove.
According to the optimization, the positioning end of the buffer inner rail is provided with the fixed pin fixed at the hinge joint of the door bracket and the second connecting rod, and the cross joint of the buffer inner rail and the buffer outer rail is connected with the cross connecting piece.
According to the optimization, the cross connecting piece comprises a cross pin fixedly arranged on the first connecting rod and a cross sliding block which is slidingly connected with the inner cavity of the buffer inner rail, and the cross pin is fixedly connected with the cross sliding block and is transversely and slidingly connected with the buffer inner rail and the buffer outer rail.
According to the optimization, the front side and the rear side of the buffer inner rail and the buffer outer rail are respectively provided with limiting grooves which are convenient for the cross pin to pass through and limit the sliding position of the cross pin.
According to the optimization, the second connecting rod is provided with a guide groove which is in sliding connection with the cross pin, and the shape of the guide groove is consistent with the movement track of the door bracket.
According to the optimization, the transmission assembly further comprises a rotating cam, the positioning end of the rotating cam is connected to the hinge base through a shaft, the connecting ends of the first connecting rod and the second connecting rod are respectively hinged to the swinging end of the rotating cam from bottom to top in sequence, and the positioning end of the first connecting rod and the positioning end of the second connecting rod are hinged to the door bracket from top to bottom.
The invention has the advantages that:
1) Through addding two-way buffer, the door body support pulls two-way buffer's buffering internal rail and removes, and first connecting rod pulling buffering external rail is relative to buffering internal rail reverse movement to compression buffer, realize that the upturning door has two-way buffering effect when closing or opening the door, noise reduction produces, protects hinge, door body and cabinet body effectively, ensures quality of use.
2) Under the structural cooperation of the first connecting rod, the second connecting rod and the bidirectional buffer device, the transmission performance of the transmission assembly is improved, the bearing strength is increased, and the deformation probability is reduced.
3) Under the linkage structure of the rotary cam, the first connecting rod and the second connecting rod, the supporting amplitude of the first connecting rod and the second connecting rod is enlarged, so that the door opening amplitude is enlarged, and the requirements of users are met.
Drawings
Fig. 1 is a front view showing a closed state according to a preferred embodiment of the present invention.
Fig. 2 is a partial cross-sectional view of the preferred embodiment of the present invention in a closed state.
Fig. 3 is a cross-sectional view showing a closed state of 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 partial cross-sectional view of the preferred embodiment of the present invention in an open state.
FIG. 6 is a perspective view of a bi-directional buffering apparatus according to a preferred embodiment of the present invention.
Fig. 7 is a sectional view of a bidirectional buffer device according to a preferred embodiment of the present invention.
FIG. 8 is an exploded view of a bi-directional buffering apparatus in accordance with a 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 8, the buffer device for the upturned door hinge comprises a door bracket 1 fixedly arranged on a door body and a hinge seat 2 fixedly arranged on a cabinet body. A transmission assembly for driving the door body to open and close on the cabinet body is hinged between the hinge seat 2 and the door bracket 1. The first link 3 and the second link 4 are cross-connected with each other while both ends thereof are hinged to the door bracket 1 and the hinge base 2. And a bidirectional buffer device is arranged in the second connecting rod 4, the connecting buffer end of the bidirectional buffer device is fixedly connected at the intersection of the first connecting rod 3 and simultaneously is slidingly connected at the intersection of the second connecting rod 4, and the positioning buffer end of the bidirectional buffer device is respectively and fixedly arranged at the hinge joint of the door bracket 1 and the second connecting rod 4.
Through addding two-way buffer, increase bearing strength, reduce the probability of deformation, realize moreover that the upturning door has two-way buffering effect when closing or opening the door, noise reduction produces, protects hinge, door body and cabinet body effectively, ensures quality of use.
As shown in fig. 1 to 8, the bidirectional damping device comprises a damping inner rail 5, a damping outer rail 6 and a damping damper 7. The inner buffer rail 5 is slidably mounted in the inner cavity of the outer buffer rail 6, the outer buffer rail 6 is fixedly connected with a positioning slide block 8, the positioning slide block 8 is slidably connected with the inner buffer rail 5, and the inner buffer rail 5 is slidably connected with a connecting slide block 9. The buffer damper 7 is arranged in the inner cavity of the buffer inner rail 5, and two ends of the buffer damper 7 are respectively connected with the positioning slide block 8 and the connecting slide block 9.
In actual operation, the buffer outer rail 6 is longitudinally provided with a positioning pin 10 fixedly connected with the positioning slide block 8, and the buffer inner rail 5 is provided with a positioning slide groove 11 for sliding connection with the positioning pin 10 and the connecting slide block 9. The buffer inner rail 5 is provided with a positioning groove 12 and a connecting groove 13 for limiting the sliding position of the positioning pin 10 and the connecting slider 9, and the positioning groove 12 and the connecting groove 13 are respectively provided on the bottom surface of the buffer inner rail 5. The upper and lower ends of the connecting slide block 9 are respectively provided with a convex edge 91 which slides in the positioning slide groove 11 and the connecting groove 13.
In addition, the positioning end of the buffer inner rail 5 is provided with a fixed pin 14 fixed at the hinge joint of the door bracket 1 and the second connecting rod 4, and the intersection of the buffer inner rail 5 and the buffer outer rail 6 is connected with a cross connecting piece.
Wherein, the front side and the rear side of the buffer inner rail 5 and the buffer outer rail 6 are respectively provided with a limiting groove 17 which is convenient for the cross pin 15 to pass through and is used for limiting the sliding position of the cross pin 15.
When the door body is turned upwards, the door bracket 1 pulls the buffer inner rail 5 to move towards the right direction so as to push the positioning pin 10 to move towards the left direction along the positioning sliding groove 11 and the positioning groove 12 respectively, and simultaneously push the positioning sliding block 8 to move towards the left direction relatively. During the process, the first connecting rod 3 pulls the buffer outer rail 6 to move in the left direction, so that the connecting sliding block 9 is driven to move in the right direction along the positioning sliding groove 11 and the connecting groove 13. Thus, the distance between the connecting slide block 9 and the positioning slide block 8 is smaller and smaller, the buffer damper 7 is compressed, and the buffer effect of opening the door body is realized.
Similarly, when the door body is turned downwards, the door bracket 1 pulls the buffer inner rail 5 to move leftwards so as to push the positioning pin 10 to move rightwards along the positioning sliding groove 11 and the positioning groove 12 respectively, and simultaneously push the positioning sliding block 8 to move rightwards relatively. During the process, the first connecting rod 3 pulls the buffer outer rail 6 to move in the right direction, so that the connecting sliding block 9 is driven to move in the left direction along the positioning sliding groove 11 and the connecting groove 13. The distance between the connecting sliding block 9 and the positioning sliding block 8 is smaller and smaller, the buffer damper 7 is compressed, and the door body is closed, so that a buffer effect is achieved.
Referring to fig. 1 to 8, the cross-connect includes a cross pin 15 fixedly installed at the first link 3 and a cross slider 16 slidably coupled to the inner cavity of the buffer inner rail 5. The cross pin 15 is fixedly connected with the cross slide block 16 and is transversely and slidably connected with the buffer inner rail 5 and the buffer outer rail 6. The second link 4 is provided with a guide groove 18 for sliding connection with the cross pin 15, and the guide groove 18 is shaped to match the movement locus of the door bracket 1.
The buffer device is utilized to improve the transmission performance of the transmission assembly and increase the bearing strength and reduce the deformation probability under the structural cooperation of the first connecting rod 3, the second connecting rod 4 and the bidirectional buffer device.
Referring to fig. 1 to 8, the transmission assembly further includes a rotating cam 19, the positioning end of the rotating cam 19 is pivotally connected to the hinge base 2, the connecting end of the first link 3 and the connecting end of the second link 4 are respectively hinged to the swinging end of the rotating cam 19 sequentially from bottom to top, and the positioning end of the first link 3 and the positioning end of the second link 4 are hinged to the door bracket 1 from top to bottom.
Under the linkage structure of the rotary cam 19, the first connecting rod 3 and the second connecting rod 4, the running stability of the door turning is improved, and the supporting amplitude of the first connecting rod 3 and the second connecting rod 4 is enlarged, so that the door opening amplitude is enlarged, and the requirements of users are met.
The above embodiments are only specific embodiments with good effects, and all the structures identical or equivalent to the buffering device for the upturned door hinge are within the protection scope of the present invention.
Claims (8)
1. The utility model provides a buffer that flip-up door hinge was used, includes door body fixed mounting's door holder (1), with cabinet body fixed mounting's hinge seat (2), its characterized in that: the hinge seat (2) is hinged with the connection between the door bracket (1) and a transmission assembly for driving the door body to open and close on the cabinet body, the transmission assembly comprises a first connecting rod (3) and a second connecting rod (4), the first connecting rod (3) and the second connecting rod (4) are connected in a cross mode, meanwhile, two ends of the first connecting rod and the second connecting rod are hinged with the door bracket (1) and the hinge seat (2), a bidirectional buffer device is arranged in the second connecting rod (4), the connection buffer end of the bidirectional buffer device is fixedly connected with the intersection of the first connecting rod (3) and is simultaneously connected with the intersection of the second connecting rod (4) in a sliding mode, and the positioning buffer end of the bidirectional buffer device is fixedly arranged at the hinge position of the door bracket (1) and the second connecting rod (4) respectively;
the bidirectional buffering device comprises a buffering inner rail (5), a buffering outer rail (6) and a buffering damper (7), wherein the buffering inner rail (5) is slidably arranged in an inner cavity of the buffering outer rail (6), the buffering outer rail (6) is fixedly connected with a positioning sliding block (8), the positioning sliding block (8) is slidably connected with the buffering inner rail (5), the buffering inner rail (5) is slidably connected with a connecting sliding block (9), the buffering damper (7) is arranged in the inner cavity of the buffering inner rail (5), and two ends of the buffering damper (7) are respectively connected with the positioning sliding block (8) and the connecting sliding block (9);
the transmission assembly further comprises a rotary cam (19), the positioning end of the rotary cam (19) is connected to the hinge base (2) in a shaft mode, the connecting end of the first connecting rod (3) and the connecting end of the second connecting rod (4) are respectively hinged to the swinging end of the rotary cam (19) from bottom to top in sequence, and the positioning end of the first connecting rod (3) and the positioning end of the second connecting rod (4) are hinged to the door support (1) from top to bottom.
2. A cushioning device for a tilt-up door hinge as set forth in claim 1, wherein: the buffer outer rail (6) is longitudinally provided with a positioning pin (10) fixedly connected with the positioning slide block (8), and the buffer inner rail (5) is provided with a positioning slide groove (11) which is used for relative sliding connection with the positioning pin (10) and the connecting slide block (9).
3. A cushioning device for a tilt-up door hinge as set forth in claim 2, wherein: the buffer inner rail (5) is provided with a positioning groove (12) and a connecting groove (13) for limiting the sliding position of the positioning pin (10) and the connecting sliding block (9), and the positioning groove (12) and the connecting groove (13) are respectively arranged on the bottom surface of the buffer inner rail (5).
4. A cushioning device for a tilt-up door hinge as set forth in claim 3, wherein: the upper end and the lower end of the connecting sliding block (9) are respectively provided with a convex edge (91) which slides on the positioning sliding groove (11) and the connecting groove (13).
5. A cushioning device for a roll-up door hinge according to any one of claims 1 to 4, wherein: the positioning end of the buffer inner rail (5) is provided with a fixed pin (14) fixed at the hinge joint of the door bracket (1) and the second connecting rod (4), and the cross joint of the buffer inner rail (5) and the buffer outer rail (6) is connected with a cross connecting piece.
6. The cushioning device for a tilt-up door hinge of claim 5, wherein: the cross connecting piece comprises a cross pin (15) fixedly arranged on the first connecting rod (3) and a cross sliding block (16) slidingly connected with the inner cavity of the buffer inner rail (5), wherein the cross pin (15) is fixedly connected with the cross sliding block (16) and is transversely slidingly connected with the buffer inner rail (5) and the buffer outer rail (6).
7. The cushioning device for a tilt-up door hinge of claim 6, wherein: the front side and the rear side of the buffer inner rail (5) and the buffer outer rail (6) are respectively provided with a limiting groove (17) which is convenient for the cross pin (15) to pass through and is used for limiting the sliding position of the cross pin (15).
8. The cushioning device for a tilt-up door hinge of claim 7, wherein: the second connecting rod (4) is provided with a guide groove (18) which is in sliding connection with the cross pin (15), and the shape of the guide groove (18) is consistent with the movement track of the door bracket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224419.8A CN109838165B (en) | 2019-03-23 | 2019-03-23 | Buffer device for upturning door hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224419.8A CN109838165B (en) | 2019-03-23 | 2019-03-23 | Buffer device for upturning door hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109838165A CN109838165A (en) | 2019-06-04 |
| CN109838165B true CN109838165B (en) | 2023-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910224419.8A Active CN109838165B (en) | 2019-03-23 | 2019-03-23 | Buffer device for upturning door hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109838165B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284790B (en) * | 2019-07-23 | 2024-05-10 | 广东星徽精密制造股份有限公司 | Hinge mechanism for door turning |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080088731A (en) * | 2007-03-30 | 2008-10-06 | 김광련 | Hinge and impact absorbing damper |
| CN105952291A (en) * | 2016-07-01 | 2016-09-21 | 伍志勇 | Adjustment optimizing mechanism of furniture flap-up door |
| EP3199735A1 (en) * | 2016-01-29 | 2017-08-02 | Apparatebau Gronbach Srl | Damper module for a hinge, particularly for a household appliance, and hinge, particularly for a household appliance |
| CN107178270A (en) * | 2017-06-28 | 2017-09-19 | 伍志勇 | A kind of damping buffering mechanism for furniture |
| CN108487807A (en) * | 2018-02-10 | 2018-09-04 | 江苏星徽精密科技有限公司 | A kind of adjustable oven hinge in buffering direction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITBO20120273A1 (en) * | 2012-05-17 | 2013-11-18 | Cmi Srl | BALANCED HINGE DEVICE WITH PROGRAMMABLE BRAKE |
-
2019
- 2019-03-23 CN CN201910224419.8A patent/CN109838165B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080088731A (en) * | 2007-03-30 | 2008-10-06 | 김광련 | Hinge and impact absorbing damper |
| EP3199735A1 (en) * | 2016-01-29 | 2017-08-02 | Apparatebau Gronbach Srl | Damper module for a hinge, particularly for a household appliance, and hinge, particularly for a household appliance |
| CN105952291A (en) * | 2016-07-01 | 2016-09-21 | 伍志勇 | Adjustment optimizing mechanism of furniture flap-up door |
| CN107178270A (en) * | 2017-06-28 | 2017-09-19 | 伍志勇 | A kind of damping buffering mechanism for furniture |
| CN108487807A (en) * | 2018-02-10 | 2018-09-04 | 江苏星徽精密科技有限公司 | A kind of adjustable oven hinge in buffering direction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109838165A (en) | 2019-06-04 |
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