CN109914962B - Buffer hinge - Google Patents
Buffer hinge Download PDFInfo
- Publication number
- CN109914962B CN109914962B CN201910293501.6A CN201910293501A CN109914962B CN 109914962 B CN109914962 B CN 109914962B CN 201910293501 A CN201910293501 A CN 201910293501A CN 109914962 B CN109914962 B CN 109914962B
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- Prior art keywords
- buffer
- hinge
- cam shaft
- mounting seat
- movable
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- 239000000872 buffer Substances 0.000 title claims abstract description 124
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000003139 buffering effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention relates to a buffer hinge which comprises a fixed hinge and a movable hinge, wherein the fixed hinge is arranged on a fixed door plate, the movable hinge is arranged on a movable door plate, the buffer hinge further comprises a mounting seat, a cam shaft, a buffer block and a buffer mechanism, the movable hinge is provided with a mounting groove for accommodating the mounting seat, the tail end of the mounting seat is fixedly connected with the fixed hinge, a cam shaft, the buffer block and the buffer mechanism are sequentially arranged in the mounting seat from the head end to the tail end, the cam shaft is rotationally connected with the mounting seat, the two ends of the cam shaft are fixedly connected with the movable hinge, the cam of the cam shaft pushes against one end of the buffer block, the other end of the buffer block is connected with the buffer mechanism, and the buffer block triggers the buffer mechanism to generate buffer resistance when the cam shaft rotates. The buffer mechanism is triggered to buffer in a mode that the buffer block is pressed by the cam shaft, the mode of triggering buffer is flexible and convenient, and meanwhile, the hinge is compact in internal structure, space-saving, stable in structure and convenient to install.
Description
Technical Field
The invention relates to a hinge, in particular to a hinge with a buffering function.
Background
Hinge with automatic door closing function, its door closing device's structure is simpler, lacks buffer structure, and automatic door closing in-process inertia is too big, uses and can cause the damage to the door, reduces the life of door, produces the noise simultaneously. Therefore, a plurality of hinges are provided with buffer mechanisms, so that the noise is reduced softly when the door is closed. However, the existing hinge with the buffer function is simple in buffer mechanism and general in buffer effect, or the buffer mechanism is complex and difficult to install, and is not well balanced in structure and function.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the hinge which is compact in structure, convenient to install and good in buffering effect.
In order to achieve the above object, the present invention can be achieved by the following technical scheme:
the utility model provides a buffering hinge, includes fixed hinge and movable hinge, fixed hinge installs on fixed door plant, movable hinge installs on movable door plant, still includes mount pad, camshaft, buffer block and buffer gear, movable hinge is equipped with the mounting groove that holds the mount pad, the end and the fixed hinge fixed connection of mount pad, install camshaft, buffer block and buffer gear in proper order from the head end toward terminal direction in the mount pad, the camshaft rotates with the mount pad to be connected, and the both ends and the movable hinge fixed connection of camshaft, the one end of cam roof pressure buffer block of camshaft, the other end and the buffer gear of buffer block are connected, make buffer block trigger buffer gear and produce the buffering resistance when the camshaft rotates.
Further, the buffer mechanism comprises a cylinder seat, a cylinder body, a buffer core, a piston, a bottom spring and a main force spring, wherein one end, connected with the buffer mechanism, of the buffer block is embedded into the cylinder seat, one end of the buffer core is inserted into the cylinder seat and abuts against the buffer block, the piston is arranged at the other end of the buffer core and is arranged in the cylinder body, the bottom spring is arranged in the cylinder body, one end of the bottom spring is fixedly connected with the piston, and the main force spring is sleeved with the cylinder seat from the direction of the tail end of the mounting seat.
Further, the buffer mechanism further comprises an oil seal ring and a sealing ring, the oil seal ring is sleeved into the buffer core from the direction of the head end of the mounting seat to seal the cylinder body to prevent oil leakage, and the sealing ring is arranged on the piston to prevent air leakage.
Further, the buffer mechanism further comprises a surface cover and a surface spring, and the surface cover and the surface spring are sleeved into the buffer core from the direction of the front end of the mounting seat and are close to the oil seal ring.
Further, one end of the buffer block, which is propped against the cam of the cam shaft, is consistent with the front end of the cam in shape, and is inclined from the middle to two sides of the rotation direction of the cam shaft.
Further, the camshaft is rotatably connected with the mounting seat through a bearing.
Further, a cover ring is mounted on the bearing.
Further, when the buffer hinge is completely closed, the fixed hinge and the movable hinge are positioned on the same plane, and the fixed hinge is also provided with a mounting groove for accommodating the mounting seat.
Further, the fixed hinge comprises a first panel and a first bottom plate, wherein the first panel and the first bottom plate are connected up and down, and the fixed door plate is clamped between the first panel and the first bottom plate.
Further, the movable hinge comprises a second panel and a second bottom plate, wherein the second panel and the second bottom plate are connected up and down, and the movable door plate is clamped between the second panel and the second bottom plate.
Compared with the prior art, the invention has the beneficial effects that: the buffer mechanism is triggered to buffer in a mode that the buffer block is pressed by the cam shaft, the mode of triggering buffer is flexible and convenient, and meanwhile, the hinge is compact in internal structure, space-saving, stable in structure and convenient to install. The fixed hinge is arranged on the fixed door plate, the movable hinge is arranged on the movable door plate, the external force acts on the movable door plate to form a large angle and then the movable door plate is released, the movable door plate has a buffering function at a certain angle, and then is slowly closed, so that the buffering hinge slowly closes, achieves a static state when being completely closed, and has good buffering performance.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic exploded view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
In the figure: 1. fixing a hinge; 11. a first panel; 13. a mounting groove; 12. a first base plate; 2. a movable hinge; 21. a second panel; 22. a second base plate; 3. a mounting base; 4. a cam shaft; 5. a buffer block; 60. a cylinder base; 61. a cylinder; 62. a buffer core; 63. a piston; 64. a bottom spring; 65. a main force spring; 66. an oil seal ring; 67. a seal ring; 68. a face cover; 69. a face spring; 7. a bearing; 8. a cover ring.
Detailed Description
The invention will be further described with reference to the accompanying drawings and detailed description below:
As shown in fig. 1 to 3, the buffer hinge comprises a fixed hinge 1 and a movable hinge 2, wherein the fixed hinge 1 is arranged on a fixed door plate, the movable hinge 2 is arranged on a movable door plate, and the buffer hinge further comprises an installation seat 3, a cam shaft 4, a buffer block 5 and a buffer mechanism. The movable hinge 2 is provided with a mounting groove 13 for accommodating the mounting seat 3, and the tail end of the mounting seat 3 is fixedly connected with the fixed hinge 1 through a screw, so that the mounting seat 3 is fixed. The camshaft 4, the buffer block 5 and the buffer mechanism are sequentially installed in the installation seat 3 from the head end to the tail end, the camshaft 4 is rotationally connected with the installation seat 3, two ends of the camshaft 4 are fixedly connected with the movable hinge 2 through screws, the cam of the camshaft 4 presses one end of the buffer block 5, the other end of the buffer block 5 is connected with the buffer mechanism, and the buffer block 5 triggers the buffer mechanism to generate buffer resistance when the camshaft 4 rotates. When external force acts on the movable door plate, the movable hinge 2 is driven, the cam shaft 4 fixedly connected with the movable hinge 2 rotates, the cam of the cam shaft 4 presses the buffer block 5, and the buffer block 5 touches the buffer mechanism, so that the buffer mechanism generates buffer resistance. The cam shaft 4 pushes the buffer block 5, and the buffer block 5 touches the structural design of the buffer mechanism, which is compact and flexible, convenient to install and easy to trigger buffer.
Specifically, the buffer mechanism comprises a cylinder seat 60, a cylinder body 61, a buffer core 62, a piston 63, a bottom spring 64 and a main force spring 65, one end of the buffer block 5 connected with the buffer mechanism is embedded into the cylinder seat 60, one end of the buffer core 62 is inserted into the cylinder seat 60 and abuts against the buffer block 5, and one end of the buffer block 5 abutting against the buffer core is provided with a groove to facilitate the ejection of the buffer core 62. The piston 63 is mounted at the other end of the buffer core 62 and is placed in the cylinder 61, the bottom spring 64 is placed in the cylinder 61 and one end thereof is fixedly connected with the piston 63, and the main force spring 65 is sleeved with the cylinder block 60 from the direction of the end of the mounting block 3. The double combination of the main force spring and the bottom spring ensures the elasticity required by buffering and provides good buffering capacity. As a specific improvement of the embodiment, the buffer mechanism further comprises an oil seal ring 66 and a sealing ring 67, hydraulic oil is arranged in the cylinder 61, and the oil seal ring 66 is sleeved into the buffer core 62 from the direction of the head end of the mounting seat 3 to seal the cylinder 61 to prevent oil leakage. The seal ring 67 is provided on the piston 63, and prevents air leakage in the cylinder 61 when the piston 63 moves, thereby forming a certain air pressure, and contributing to the damping resistance of the damping mechanism. As a specific improvement of this embodiment, the buffer mechanism further includes a face cover 68 and a face spring 69, the face cover 68 and the face spring 69 being sequentially fitted into the buffer core 62 from the front end direction of the mount 3 and being adjacent to the oil seal ring 66. The face spring 69 serves to assist in generating the spring force required for cushioning, and the face cap 68 is used to press against the face spring 69 for compression. The buffer mechanism is compact in structure fit, the inner space of the cylinder seat 60 and the main force spring 65 is fully utilized, other parts of the buffer mechanism are all installed in the cylinder seat 60 and the main force spring 65, space is saved, meanwhile, the parts are connected simply and firmly, the whole structure is stable, good buffer effect is guaranteed, and the structural design is more convenient to install and high in assembly efficiency.
As a specific improvement of the embodiment, one end of the buffer block 5, which is pressed against the cam of the cam shaft 4, is in the shape of the front end of the cam, and is inclined towards two sides of the rotation direction of the cam shaft, and the buffer block is matched with the movement track of the cam shaft 4 to prevent interference, so that the rotation of the cam shaft 4 is smoother.
As a specific modification of the present embodiment, the camshaft 4 is rotatably connected to the mount 3 via a bearing 7. The bearing 7 is provided with a cover ring 8, which plays a role in sealing and protecting the bearing 7.
As a specific improvement of this embodiment, if the fixed door panel and the movable door panel are on the same plane when the installed door panel is completely closed, then the fixed hinge 1 and the movable hinge 2 are on the same plane when the buffer hinge is completely closed, that is, the installation angle of the fixed hinge 1 and the movable hinge 2 is 180 degrees, the fixed hinge 1 is also provided with an installation groove 13 for accommodating the installation seat 3, so as to save installation space.
As a specific improvement of the present embodiment, the fixed hinge 1 includes a first panel 11 and a first bottom plate 12, and the first panel 11 and the first bottom plate 12 are connected together up and down by screws with a fixed door panel sandwiched therebetween. The movable hinge 2 comprises a second panel 21 and a second bottom plate 22, wherein the second panel 21 and the second bottom plate 22 are connected together up and down through screws, and the movable door plate is clamped between the two panels.
The working principle of the invention is as follows:
When the door is closed, external force acts on the movable door plate to form a large angle and then release hands, the cam shaft 4 rotates, the cam increasingly pushes against the buffer block 5, the buffer block 5 further pushes against the buffer core 62, the buffer core 62 presses the bottom spring 64 and the surface spring 69 to compress to generate elastic resistance, meanwhile, the buffer block 5 also drives the cylinder seat 60 to retreat, the cylinder seat 60 presses the main force spring 65 to compress, therefore, the main force spring 65, the bottom spring 64 and the surface spring 69 all generate elastic resistance to buffer the closing of the hinge, and then the hinge drives the movable door plate to be slowly closed to achieve the slow closing effect of the buffer hinge, when the buffer hinge is closed, the buffer hinge reaches a static state, and at the moment, the cam of the cam shaft 4 presses the middle of the buffer block 5.
Various other corresponding changes and modifications will occur to those skilled in the art from the foregoing disclosure and are intended to be within the scope of the appended claims.
Claims (6)
1. The utility model provides a buffering hinge, includes fixed hinge and movable hinge, fixed hinge installs on fixed door plant, movable hinge installs on movable door plant, its characterized in that:
The movable hinge is provided with a mounting groove for accommodating the mounting seat, the tail end of the mounting seat is fixedly connected with the fixed hinge, the cam shaft, the buffer block and the buffer mechanism are sequentially arranged in the mounting seat from the head end to the tail end, the cam shaft is rotationally connected with the mounting seat, the two ends of the cam shaft are fixedly connected with the movable hinge, the cam of the cam shaft pushes against one end of the buffer block, the other end of the buffer block is connected with the buffer mechanism, and the buffer block triggers the buffer mechanism to generate buffer resistance when the cam shaft rotates;
The buffer mechanism comprises a cylinder seat, a cylinder body, a buffer core, a piston, a bottom spring and a main force spring, wherein one end, connected with the buffer mechanism, of the buffer block is embedded into the cylinder seat, one end of the buffer core is inserted into the cylinder seat and abuts against the buffer block, the piston is arranged at the other end of the buffer core and is arranged in the cylinder body, the bottom spring is arranged in the cylinder body, one end of the bottom spring is fixedly connected with the side, far away from the buffer core, of the piston, and the main force spring is sleeved with the cylinder seat from the direction of the tail end of the mounting seat;
The buffer mechanism further comprises an oil seal ring and a sealing ring, the oil seal ring is sleeved into the buffer core from the direction of the head end of the mounting seat to seal the cylinder body to prevent oil leakage, and the sealing ring is arranged on the piston to prevent air leakage;
The buffer mechanism further comprises a surface cover and a surface spring, and the surface cover and the surface spring are sleeved into the buffer core from the direction of the front end of the mounting seat and are close to the oil seal ring;
One end of the buffer block, which is propped against the cam of the cam shaft, is consistent with the front end of the cam in shape, and is inclined from the middle to the two sides of the rotation direction of the cam shaft.
2. The cushioned hinge of claim 1, wherein:
the camshaft is rotationally connected with the mounting seat through a bearing.
3. The cushioned hinge of claim 2, wherein:
And the bearing is provided with a cover ring.
4. The cushioned hinge of claim 1, wherein:
When the buffer hinge is completely closed, the fixed hinge and the movable hinge are positioned on the same plane, and the fixed hinge is also provided with a mounting groove for accommodating the mounting seat.
5. The cushioned hinge of claim 4, wherein:
the fixed hinge comprises a first panel and a first bottom plate, wherein the first panel and the first bottom plate are connected together up and down, and a fixed door plate is clamped between the first panel and the first bottom plate.
6. The cushioned hinge of claim 4 or 5, wherein:
The movable hinge comprises a second panel and a second bottom plate, wherein the second panel and the second bottom plate are connected up and down, and the movable door plate is clamped between the second panel and the second bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293501.6A CN109914962B (en) | 2019-04-12 | 2019-04-12 | Buffer hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293501.6A CN109914962B (en) | 2019-04-12 | 2019-04-12 | Buffer hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109914962A CN109914962A (en) | 2019-06-21 |
| CN109914962B true CN109914962B (en) | 2024-07-16 |
Family
ID=66969599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910293501.6A Active CN109914962B (en) | 2019-04-12 | 2019-04-12 | Buffer hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109914962B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174354A (en) * | 2011-12-21 | 2013-06-26 | 钢国工业股份有限公司 | Oil pressure hinge |
| CN103620145A (en) * | 2011-05-19 | 2014-03-05 | In&Tec有限公司 | Piston device for the controlled rotatable movement of doors, shutters or like members |
| CN206680033U (en) * | 2017-01-23 | 2017-11-28 | 杭州斯沃德电梯有限公司 | A kind of buffer of elevator |
| CN209891939U (en) * | 2019-04-12 | 2020-01-03 | 肇庆市高要区丰之泽卫浴五金有限公司 | Buffering hinge |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29618578U1 (en) * | 1996-10-24 | 1996-12-19 | Chen, Mei-Li, Taipeh/T'ai-pei | Door hinge for frameless doors |
| US9140043B2 (en) * | 2013-08-01 | 2015-09-22 | Door & Window Hardware Co. | Hydraulic hinge buffer assembly for a door |
| CN106761105A (en) * | 2016-11-08 | 2017-05-31 | 新昌县儒岙镇衡翔机械厂 | A kind of glass special bullet spring abutment |
-
2019
- 2019-04-12 CN CN201910293501.6A patent/CN109914962B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103620145A (en) * | 2011-05-19 | 2014-03-05 | In&Tec有限公司 | Piston device for the controlled rotatable movement of doors, shutters or like members |
| CN103174354A (en) * | 2011-12-21 | 2013-06-26 | 钢国工业股份有限公司 | Oil pressure hinge |
| CN206680033U (en) * | 2017-01-23 | 2017-11-28 | 杭州斯沃德电梯有限公司 | A kind of buffer of elevator |
| CN209891939U (en) * | 2019-04-12 | 2020-01-03 | 肇庆市高要区丰之泽卫浴五金有限公司 | Buffering hinge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109914962A (en) | 2019-06-21 |
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