CN115107609B - Central armrest hinge mechanism of rear seat - Google Patents
Central armrest hinge mechanism of rear seat Download PDFInfo
- Publication number
- CN115107609B CN115107609B CN202210941364.4A CN202210941364A CN115107609B CN 115107609 B CN115107609 B CN 115107609B CN 202210941364 A CN202210941364 A CN 202210941364A CN 115107609 B CN115107609 B CN 115107609B
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- Prior art keywords
- locking
- cam shaft
- groove
- central
- fit
- Prior art date
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- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/75—Arm-rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/75—Arm-rests
- B60N2/753—Arm-rests movable to an inoperative position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/75—Arm-rests
- B60N2/763—Arm-rests adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/75—Arm-rests
- B60N2/763—Arm-rests adjustable
- B60N2/767—Angle adjustment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a central armrest hinge mechanism of a rear seat, which comprises a central armrest hinge assembly, wherein the central armrest hinge assembly comprises a fixed disc, a cam shaft, a locking block, a rotating disc and a cover plate, and the fixed disc is provided with a first central hole, a groove and a sinking groove; the first central hole is hinged and matched with one end shaft of the cam shaft, and the groove is in sliding fit with the locking block; the cam shaft is provided with an unlocking guide groove which is in clearance fit with the boss of the locking block; the locking block comprises a locking surface III and a locking surface IV, and in a mechanism locking state, the locking surface III is in fit locking with the locking surface I on the cam shaft, and the locking surface IV is in fit locking with the locking surface II on the cam shaft; the rotating disc is provided with a second central hole, a locking groove, an arc surface and an outer circle, and the second central hole is in hinged fit with the other end shaft of the cam shaft; the cover plate is fixedly connected with the fixed disc. The invention can provide reliable locking function, solves the problems of complex structure and overlarge external dimension of the existing hinge mechanism, and can be well adapted to the modeling outline of the seat.
Description
Technical Field
The invention relates to the technical field of hinges, in particular to a hinge mechanism for a central armrest of a rear seat.
Background
In the existing rear-row seat central armrest hinge mechanism, an external meshed lock hook scheme is generally adopted, a locking function is realized through the meshing of cam lock hooks, and because each part among the cam lock hooks ensures the rotation of the cam lock hooks through the riveting of rivets, the hinge mechanism is subjected to the change of riveting size and the change of center distance, and because the structural design is complex and the size links are more, the hinge mechanism has the problems of large central armrest clearance, inflexibility in unlocking and locking and even has the risk of functional failure. The present invention aims to provide a hinge mechanism which is simple and reliable in function, and aims to solve the problems.
Based on the above situation, the invention provides a central armrest hinge mechanism of a rear seat, which can effectively solve the above problems.
Disclosure of Invention
The invention aims to provide a central armrest hinge mechanism of a rear seat. The hinge mechanism for the central armrest of the rear seat is simple in structure, can provide a reliable locking function, solves the problems of complex structure and overlarge external dimension of the conventional hinge mechanism, and can be well adapted to the modeling outline of the seat.
The invention is realized by the following technical scheme:
a rear seat center armrest hinge mechanism comprising a center armrest hinge assembly comprising a fixed disk, a cam shaft, a locking block, a rotating disk, and a cover plate, wherein:
the fixed disc is provided with a first central hole, a groove and a sinking groove; the first central hole is in hinged fit with one end shaft of the cam shaft, and the groove is in sliding fit with the locking block;
the cam shaft is provided with an unlocking guide groove which is in clearance fit with the boss of the locking block;
the locking block comprises a locking surface III and a locking surface IV, and in a mechanism locking state, the locking surface III is in fit locking with the locking surface I on the cam shaft, and the locking surface IV is in fit locking with the locking surface II on the cam shaft;
the rotary disk is provided with a second central hole, a locking groove, an arc surface and an outer circle, and the second central hole is in hinged fit with the other end shaft of the cam shaft; in the locking state of the mechanism, the locking block and the locking groove are mutually locked; in the unlocking state, the locking block is separated from the locking groove and slides along the cambered surface along with the forward falling of the handrail; the outer circle is rotationally matched with the sinking groove;
the cover plate and the fixed disc are fixedly connected with each other.
According to the above technical scheme, as a further preferable technical scheme of the above technical scheme, the cam shaft and the spiral spring inner ring fixing block are fixedly connected with each other.
According to the above technical scheme, as a further preferable technical scheme of the above technical scheme, the fixing plate and the central armrest fixing base are fixedly connected with each other.
According to the above technical scheme, as a further preferable technical scheme of the above technical scheme, the rotating disc and the central armrest skeleton are fixedly connected with each other.
According to the above technical scheme, as a further preferable technical scheme of the above technical scheme, the spiral spring inner ring fixing block is fixedly clamped with the spiral spring inner ring, and the spiral spring outer ring hook is fixedly clamped with the central armrest fixing base.
According to the above technical scheme, as a further preferable technical scheme of the above technical scheme, the cam shaft and the unlocking piece are fixedly connected with each other.
Compared with the prior art, the invention has the following advantages:
the hinge mechanism for the central armrest of the rear seat is simple in structure, can provide a reliable locking function, solves the problems of complex structure and overlarge external dimension of the conventional hinge mechanism, and can be well adapted to the modeling outline of the seat.
Drawings
FIG. 1 is an exploded schematic view of a center armrest hinge assembly in accordance with the present invention;
FIG. 2 is an exploded schematic view of a center armrest hinge assembly according to another aspect of the present invention;
FIG. 3 is a cut-away view of the center armrest hinge assembly of the seat of the present invention;
FIG. 4 is a schematic view of the engagement of the rotating disk, lock block, camshaft of the present invention;
FIG. 5 is a schematic view of the assembly of the fixed disk, lock block, camshaft of the present invention;
FIG. 6 is a schematic illustration of an application case of the center armrest hinge assembly of the present invention;
fig. 7 is a schematic view of a partial explosion of fig. 6.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, preferred embodiments of the present invention will be described below with reference to specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
Example 1:
a rear seat center armrest hinge mechanism comprising a center armrest hinge assembly 1, the center armrest hinge assembly 1 comprising a fixed disk 11, a cam shaft 12, a lock block 13, a rotating disk 14, and a cover plate 15, wherein:
the fixed disc 11 is provided with a first central hole 11a, a groove 11b and a sinking groove 11c; the first central hole 11a is in shaft hinged fit with one end of the cam shaft 12, and the groove 11b is in sliding fit with the locking piece 13;
the cam shaft 12 is provided with an unlocking guide groove 12a, and the unlocking guide groove 12a is in clearance fit with a boss 13a of the locking block 13;
the locking piece 13 comprises a third locking surface 13b and a fourth locking surface 13c, the third locking surface 13b is in fit locking with a first locking surface 12b on the cam shaft 12 in a mechanism locking state, and the fourth locking surface 13c is in fit locking with a second locking surface 12c on the cam shaft 12;
the rotary disk 14 is provided with a second central hole 14a, a locking groove 14b, an arc surface 14c and an outer circle 14d, and the second central hole 14a is in shaft hinged fit with the other end of the cam shaft 12; in the mechanism locking state, the locking block 13 and the locking groove 14b are mutually locked; in the unlocking state, the locking piece 13 is separated from the locking groove 14b, and the locking piece 13 slides along the cambered surface 14c along with the forward falling of the handrail; the outer circle 14d is rotatably engaged with the sink 11c, thereby functioning as a stable rotation center.
The cover plate 15 is fixedly connected with the fixed disc 11; mainly plays a role of compressing in the axial direction, and ensures that the fixed disc 11 and the rotating disc 14 are tightly buckled in the axial direction.
The invention has simple structure, can provide reliable locking function, solves the problems of complex structure and overlarge external dimension of the existing hinge mechanism, and can better adapt to the modeling outline of the seat.
Further, in another embodiment, the cam shaft 12 is fixedly coupled to the inner race fixed block 2 of the spiral spring. The fixed disk 11 is fixedly connected with the central armrest fixed base 3. The rotating disk 14 is fixedly connected with the central armrest framework 4. The scroll spring inner ring fixing block 2 is fixedly clamped with the inner ring of the scroll spring 5, and the outer ring hook of the scroll spring 5 is fixedly clamped with the central armrest fixing base 3. The cam shaft 12 and the unlocking piece 6 are fixedly connected with each other.
As shown in fig. 6, the center armrest fixing base 3 is fixed with respect to the vehicle body, the center armrest fixing base 3 is fixedly coupled to the fixing plate 11 of the center armrest hinge assembly 1, and the center armrest frame 4 is fixedly coupled to the rotating plate 14 of the center armrest hinge assembly 1. Under the action of external force F, the unlocking piece 6 starts to rotate anticlockwise to drive the cam shaft 12 to rotate, the unlocking guide groove 12a on the cam shaft drives the boss 13a on the locking piece 13 to start moving along the outline of the unlocking guide groove 12a, meanwhile, the locking piece 13 plays a guiding role on the sinking groove 11c of the fixed disc 11, the first locking surface 12b and the second locking surface 12c of the cam shaft 12 are respectively separated from the third locking surface 13b and the fourth locking surface 13c on the locking piece 13 in a rotating way (as shown in fig. 4), the locking piece 13 starts to move towards the center of the hinge, and the locking piece 13 is separated from the locking groove 14b on the rotating disc 14, so that the unlocking function of the hinge mechanism is realized.
After the hinge is unlocked, the locking piece 13 is retracted towards the center, the locking piece 13 is separated from the locking groove 14b on the rotating disc 14, and the central armrest hinge assembly 1 can start to rotate anticlockwise. In the unlocking and rotating process, the cam shaft 12 drives the scroll spring 5 to rotate inwards to generate a pre-pressing spring force, and when the external force F is withdrawn, the cam shaft 12 drives the locking block 13 to press on the cambered surface 14c of the rotating disc 14 to slide continuously until the central armrest hinge assembly 1 rotates to the horizontal use position.
The central armrest retraction process: under the action of external force, the central armrest hinge assembly 1 starts to rotate and recover, at the moment, the cam shaft 12 drives the locking piece 13 to press on the cambered surface 14c of the rotating disc 14 to slide back until the locking piece 13 falls into the locking groove 14b on the rotating disc 14, the reset force generated by the scroll spring 5 enables the cam shaft 12 to reset along the unlocking opposite direction, and simultaneously, the first locking surface 12b and the second locking surface 12c of the cam shaft 12 are respectively reset and locked with the third locking surface 13b and the fourth locking surface 13c on the locking piece 13 along the rotating direction.
Based on the description of the invention and the drawings, one skilled in the art will readily make or use a rear seat center armrest hinge mechanism in accordance with the invention and be able to produce the positive effects described herein.
Unless specifically stated otherwise, in the present invention, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional relationship indicated is based on the positional relationship indicated in the drawings, and is merely for convenience of describing the present invention and simplifying the description, and it is not necessary to indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationship in the present invention are merely for exemplary illustration and should not be construed as limitations of the present patent, and it is possible for those skilled in the art to understand the specific meaning of the above terms in conjunction with the drawings and according to the specific circumstances.
Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present invention fall within the scope of the present invention.
Claims (6)
1. A rear seat center armrest hinge mechanism, characterized in that: including central handrail hinge assembly (1), central handrail hinge assembly (1) include fixed disk (11), camshaft (12), locking piece (13), rotary disk (14) and apron (15), wherein:
the fixed disc (11) is provided with a first central hole (11 a), a groove (11 b) and a sinking groove (11 c); the first central hole (11 a) is in shaft hinged fit with one end of the cam shaft (12), and the groove (11 b) is in sliding fit with the locking piece (13);
the cam shaft (12) is provided with an unlocking guide groove (12 a), and the unlocking guide groove (12 a) is in clearance fit with a boss (13 a) of the locking block (13);
the locking block (13) comprises a locking surface III (13 b) and a locking surface IV (13 c), the locking surface III (13 b) is in fit locking with a locking surface I (12 b) on the cam shaft (12) in a mechanism locking state, and the locking surface IV (13 c) is in fit locking with a locking surface II (12 c) on the cam shaft (12);
the rotary disk (14) is provided with a center hole II (14 a), a locking groove (14 b), an arc surface (14 c) and an outer circle (14 d), and the center hole II (14 a) is in hinged fit with the other end shaft of the cam shaft (12); in a mechanism locking state, the locking block (13) and the locking groove (14 b) are mutually locked; in an unlocking state, the locking piece (13) is separated from the locking groove (14 b) and rotates anticlockwise along with the central armrest hinge assembly (1), and the locking piece (13) slides along the cambered surface (14 c); the outer circle (14 d) is in rotary fit with the sinking groove (11 c);
the cover plate (15) and the fixed disc (11) are mutually fixedly connected.
2. A rear seat center armrest hinge mechanism as set forth in claim 1, wherein: the cam shaft (12) is fixedly connected with the scroll spring inner ring fixing block (2).
3. A rear seat center armrest hinge mechanism as set forth in claim 2 wherein: the fixed disc (11) is fixedly connected with the central armrest fixed base (3).
4. A rear seat center armrest hinge mechanism as set forth in claim 1, wherein: the rotating disc (14) is fixedly connected with the central armrest framework (4).
5. A rear seat center armrest hinge mechanism as set forth in claim 3 wherein: the scroll spring inner ring fixing block (2) is fixedly clamped with the inner ring of the scroll spring (5), and the outer ring hook of the scroll spring (5) is fixedly clamped with the central armrest fixing base (3).
6. A rear seat center armrest hinge mechanism as set forth in claim 1, wherein: the cam shaft (12) and the unlocking piece (6) are mutually fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941364.4A CN115107609B (en) | 2022-08-08 | 2022-08-08 | Central armrest hinge mechanism of rear seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941364.4A CN115107609B (en) | 2022-08-08 | 2022-08-08 | Central armrest hinge mechanism of rear seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115107609A CN115107609A (en) | 2022-09-27 |
| CN115107609B true CN115107609B (en) | 2023-12-19 |
Family
ID=83334413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210941364.4A Active CN115107609B (en) | 2022-08-08 | 2022-08-08 | Central armrest hinge mechanism of rear seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115107609B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10149616A1 (en) * | 2001-10-09 | 2003-04-24 | Grammer Ag | Arm rest for motor vehicle seats has arm rest body on turning part of flat plate to permit narrow construction |
| DE10338413A1 (en) * | 2002-08-19 | 2005-03-24 | Grammer Ag | armrest |
| CN101487492A (en) * | 2008-01-16 | 2009-07-22 | 兆利科技工业股份有限公司 | Bidirectional automatic locking mechanism |
| CN109236843A (en) * | 2018-11-01 | 2019-01-18 | 明阳科技（苏州）股份有限公司 | A kind of unidirectional torque hinge |
| DE102017220301A1 (en) * | 2017-11-14 | 2019-05-16 | Bos Gmbh & Co. Kg | Support device for a seat back assembly of a vehicle interior |
| WO2020035213A1 (en) * | 2018-08-16 | 2020-02-20 | Bos Gmbh & Co. Kg | Armrest assembly for a vehicle seat structure |
| KR20200132451A (en) * | 2019-05-17 | 2020-11-25 | 주식회사다스 | Armrest Angle Adjustment for Automobile Seat |
| CN113085681A (en) * | 2021-05-08 | 2021-07-09 | 恺博(常熟)座椅机械部件有限公司 | Large-stroke armrest mechanism of seat |
| CN216886384U (en) * | 2021-11-26 | 2022-07-05 | 北京安道拓汽车部件有限公司 | A upset handrail for vehicle seat |
-
2022
- 2022-08-08 CN CN202210941364.4A patent/CN115107609B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10149616A1 (en) * | 2001-10-09 | 2003-04-24 | Grammer Ag | Arm rest for motor vehicle seats has arm rest body on turning part of flat plate to permit narrow construction |
| DE10338413A1 (en) * | 2002-08-19 | 2005-03-24 | Grammer Ag | armrest |
| CN101487492A (en) * | 2008-01-16 | 2009-07-22 | 兆利科技工业股份有限公司 | Bidirectional automatic locking mechanism |
| DE102017220301A1 (en) * | 2017-11-14 | 2019-05-16 | Bos Gmbh & Co. Kg | Support device for a seat back assembly of a vehicle interior |
| WO2020035213A1 (en) * | 2018-08-16 | 2020-02-20 | Bos Gmbh & Co. Kg | Armrest assembly for a vehicle seat structure |
| CN109236843A (en) * | 2018-11-01 | 2019-01-18 | 明阳科技（苏州）股份有限公司 | A kind of unidirectional torque hinge |
| KR20200132451A (en) * | 2019-05-17 | 2020-11-25 | 주식회사다스 | Armrest Angle Adjustment for Automobile Seat |
| CN113085681A (en) * | 2021-05-08 | 2021-07-09 | 恺博(常熟)座椅机械部件有限公司 | Large-stroke armrest mechanism of seat |
| CN216886384U (en) * | 2021-11-26 | 2022-07-05 | 北京安道拓汽车部件有限公司 | A upset handrail for vehicle seat |
Non-Patent Citations (1)
| Title |
|---|
| 驾驶座舒适性评价测定方法及影响因素;叶元瑜;拖拉机与农用运输车(04);第42-52页 * |
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| Publication number | Publication date |
|---|---|
| CN115107609A (en) | 2022-09-27 |
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