CN220101005U - Hinge with stable elastic opening and closing - Google Patents
Hinge with stable elastic opening and closing Download PDFInfo
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- CN220101005U CN220101005U CN202321337442.6U CN202321337442U CN220101005U CN 220101005 U CN220101005 U CN 220101005U CN 202321337442 U CN202321337442 U CN 202321337442U CN 220101005 U CN220101005 U CN 220101005U
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- 238000000034 method Methods 0.000 claims abstract description 27
- 238000005096 rolling process Methods 0.000 claims description 36
- 238000013016 damping Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to a hinge with stable elastic opening and closing, which comprises a connecting arm, an inner hinge arm connected with the connecting arm in a rotating fit manner, and an elastic piece arranged between the connecting arm and the inner hinge arm, wherein one end of the elastic piece elastically acts on the connecting arm, an elastic positioning part for limiting the other end of the elastic piece left and right is arranged on the inner side of the inner hinge arm, and the elastic positioning part is rotatably arranged on the inner side of the inner hinge arm. Through the arrangement, two ends of the elastic piece are positioned between the connecting arm and the elastic positioning part of the inner hinge arm in the hinge opening and closing process, the elastic piece is prevented from being deviated in the hinge opening and closing process, the hinge is further enabled to be stable in elastic opening and closing, in addition, after the elastic piece is installed, the two ends of the elastic piece are always positioned between the connecting arm and the elastic positioning part of the inner hinge arm, and the phenomenon that the elastic piece is vibrated to generate displacement in the transportation process is avoided.
Description
Technical Field
The utility model relates to the technical field of furniture hardware fittings, in particular to a hinge with stable elastic opening and closing.
Background
Chinese patent number 202010956412.8 discloses a damping opening and closing integrated optimization structure of a furniture hinge, which comprises a hinge cup and a connecting arm which are mutually elastically damping, hinged, opened and closed and matched through a damper, a hinge arm assembly and a hinge arm elastic piece, wherein the hinge arm assembly at least comprises an inner hinge arm which is respectively hinged with the hinge cup and the connecting arm and is provided with a compression action part and a reset action part; the hinge arm elastic piece is arranged between the hinge cup and the connecting arm and is respectively and elastically connected with the inner hinge arm and the connecting arm; the damper is positioned in the connecting arm, the end part of the damper acts on the hinge arm elastic piece, and the damper is also provided with a damping part; when the hinge cup is elastically hinged to the connecting arm to open and close a certain position, the inner hinge arm is respectively guided to act on the damping part through the compression acting part and the reset acting part and drives the damper to compress and slide, and the damper is reset and slid on the connecting arm; when the hinge cup is opened at a certain position relative to the connecting arm, the compression action part and the damping part are separated from each other, and the reset action part and the damping part are mutually dependent or in clearance fit, so that the practicability is strong.
The elastic element of the hinge is arranged between the hinge cup and the connecting arm, in particular the elastic element is arranged at the hinge joint of the outer hinge arm and the connecting arm. The elastic piece does not have any positioning structure, so that the elastic piece can axially move along the left and right directions of the hinge shaft in the opening and closing or transporting process of the hinge.
Disclosure of Invention
The utility model aims to provide a hinge with stable elastic opening and closing, wherein one end of an elastic piece elastically acts on a connecting arm, and an elastic positioning part for limiting the other end of the elastic piece left and right is arranged on the inner side of an inner hinge arm, so that the elastic piece is prevented from being deviated in the opening and closing process of the hinge, and the elastic opening and closing of the hinge are further stable.
The hinge comprises a connecting arm, an inner hinge arm connected with the connecting arm in a rotating fit manner, and an elastic piece arranged between the connecting arm and the inner hinge arm, wherein one end of the elastic piece is elastically acted on the connecting arm, an elastic positioning part which is used for limiting the other end of the elastic piece left and right is arranged on the inner side of the inner hinge arm, and the elastic positioning part is rotatably arranged on the inner side of the inner hinge arm, so that two ends of the elastic piece are positioned between the connecting arm and the elastic positioning part of the inner hinge arm in the opening and closing process of the hinge, the elastic piece is prevented from being deviated in the opening and closing process of the hinge, and the elastic opening and closing of the hinge are further stabilized.
The elastic positioning part is provided with a supporting surface, a first limiting surface and a second limiting surface, the supporting surface is positioned between the first limiting surface and the second limiting surface, and the other end of the elastic piece elastically acts on the supporting surface and is limited between the first limiting surface and the second limiting surface left and right.
The bearing surface of the elastic positioning part and the other end of the elastic piece form point contact, line contact or surface contact, and the point contact has the advantage of reducing friction force.
The shape of the supporting surface and/or the first limiting surface and/or the second limiting surface is/are changed, so that the limiting contact area between the elastic positioning part and the other end of the elastic piece is changed, the larger the limiting contact area is, the more easily the other end of the elastic piece is positioned on the elastic positioning part, the phenomenon that the elastic piece is deviated in the opening and closing process of the hinge is prevented, and the elastic opening and closing of the hinge are further stable.
The height of the supporting surface on the elastic positioning part is H1, the first limiting surface and the second limiting surface are arranged at left and right intervals, the height of the first limiting surface and the second limiting surface on the elastic positioning part is H2, H2 is more than H1, the other end of the elastic piece is not easy to separate from the elastic positioning part, the other end of the elastic piece is always positioned on the supporting surface of the elastic positioning part, the two ends of the elastic piece are always positioned between the elastic positioning parts of the connecting arm and the inner hinge arm in the transportation and use processes of the hinge, and the elastic piece cannot vibrate to generate an offset phenomenon in the transportation process.
The inner hinge arm is provided with a rolling part and/or a rotating connecting part on the inner side, the rolling part is rotationally arranged on the inner side of the inner hinge arm through the rotating connecting part, the elastic positioning part is arranged on the outer surface of the rolling part or the rotating connecting part, the other end of the elastic part is in rolling contact with the elastic positioning part through the rotation of the rolling part or the rotating connecting part in the opening and closing process of the hinge, the other end of the elastic part is in rolling contact with the elastic positioning part in the opening and closing process of the hinge, the characteristics of reducing friction force are achieved, and noise generated in the use process of the hinge is avoided.
The elastic positioning part is directly arranged on the outer surface of the rotary connecting piece, so that the assembly is convenient, the arrangement of rolling pieces is reduced, and the cost is reduced.
One end of the rotary connecting piece is provided with a limiting bulge, and the rolling piece is limited between the inner side of the inner hinge arm and the limiting bulge left and right, so that the rolling piece is prevented from being separated from the rotary connecting piece outwards.
The connecting part between the rolling piece and the rotating connecting piece is provided with a positioning rotating part, and the rolling piece is positioned and rotated on the rotating connecting piece through the positioning rotating part.
The inner hinge arm is provided with a connecting part, the rotating connecting piece is connected with the inner hinge arm through the connecting part, the rotating connecting piece is provided with a first step positioning part and a second step positioning part, and the connecting part of the inner hinge arm is limited between the first step positioning part and the second step positioning part left and right.
The connecting arm is internally provided with a damper and a bearing piece, one end of the damper acts on the elastic piece in a transmission way through the bearing piece, and the hinge realizes elastic opening and damping buffering closing through the elastic piece and the damper in the opening and closing process; the damper is supported on the bearing piece through the bearing piece, a damping buckling part is arranged between the inner hinge arm and the bearing piece, and the damping buckling part between the inner hinge arm and the bearing piece is buckled or separated in the opening and closing process of the hinge so as to guide the damper to move on the connecting arm and realize buffer closing of the damper on the hinge.
The utility model has the following beneficial effects:
through the arrangement, two ends of the elastic piece are positioned between the connecting arm and the elastic positioning part of the inner hinge arm in the hinge opening and closing process, the elastic piece is prevented from being deviated in the hinge opening and closing process, the hinge is further enabled to be stable in elastic opening and closing, in addition, after the elastic piece is installed, the two ends of the elastic piece are always positioned between the connecting arm and the elastic positioning part of the inner hinge arm, and the phenomenon that the elastic piece is vibrated to generate displacement in the transportation process is avoided.
Drawings
FIG. 1 is a schematic view of an exploded assembly structure of a hinge according to an embodiment of the present utility model.
Fig. 2 is a schematic perspective view of a hinge portion according to an embodiment of the present utility model.
Fig. 3 is a schematic view showing an assembled and disassembled structure of the inner hinge arm, the rotating connecting piece and the rolling piece according to an embodiment of the present utility model.
Fig. 4 is a schematic view of a structure in which the other end of the elastic member is in rolling contact with the rolling member according to an embodiment of the present utility model.
Fig. 5 is a schematic cross-sectional view of a rolling element according to an embodiment of the utility model.
Fig. 6 is a schematic view of the structure of the inner hinge arm, the rotating connecting member and the rolling member assembled on the inner hinge arm according to an embodiment of the present utility model.
Fig. 7 is a schematic structural view of a rotary connector according to an embodiment of the present utility model.
Fig. 8 is a schematic structural view of a supporting surface with an arc surface according to an embodiment of the present utility model.
Fig. 9 is a schematic view showing a structure in which a supporting surface is planar according to an embodiment of the present utility model.
Fig. 10 is a schematic plan view of a hinge according to an embodiment of the utility model.
FIG. 11 is a schematic view showing the separation of the damping snap-fit portion between the hinge arm and the support member according to an embodiment of the present utility model.
FIG. 12 is a schematic view of a structure of a damping engagement portion between an inner hinge arm and a supporting member according to an embodiment of the present utility model.
Fig. 13 is a schematic view showing an assembled and disassembled structure of a connecting arm and a base plate of a hinge according to an embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
First embodiment
Referring to fig. 1-13, a hinge with stable elastic opening and closing comprises a connecting arm 1, an inner hinge arm 2 connected with the connecting arm 1 in a rotating fit manner, and an elastic piece 3 arranged between the connecting arm 1 and the inner hinge arm 2, wherein one end of the elastic piece 3 is elastically acted on the connecting arm 1, an elastic positioning part 4 for limiting the other end of the elastic piece 3 left and right is arranged on the inner side of the inner hinge arm 2, and the elastic positioning part 4 is rotatably arranged on the inner side of the inner hinge arm 2, so that two ends of the elastic piece 3 are positioned between the connecting arm 1 and the elastic positioning part 4 of the inner hinge arm 2 in the opening and closing process of the hinge.
In this embodiment, the connecting arm 1 is provided with an outer hinge arm, one end of the outer hinge arm is hinged with the connecting arm 1 through a connecting pin, one end of the outer hinge arm is also hinged with one end of the inner hinge arm 2, the other end of the outer hinge arm is connected with the other end of the inner hinge arm 2, and the inner hinge arm 2 is connected with the connecting arm 1 through the outer hinge arm in a matching way.
The elastic positioning part 4 is provided with a supporting surface 4.1, a first limiting surface 4.2 and a second limiting surface 4.3, the supporting surface 4.1 is positioned between the first limiting surface 4.2 and the second limiting surface 4.3, and the other end of the elastic piece 3 elastically acts on the supporting surface 4.1 and is limited between the first limiting surface 4.2 and the second limiting surface 4.3 left and right.
The bearing surface 4.1 of the elastic positioning part 4 forms point contact, line contact or surface contact with the other end of the elastic piece 3.
By changing the shape of the supporting surface 4.1 and/or the first limiting surface 4.2 and/or the second limiting surface 4.3, the limiting contact area between the elastic positioning portion 4 and the other end of the elastic piece 3 is changed.
The height of the supporting surface 4.1 on the elastic positioning part 4 is H1, the first limiting surface 4.2 and the second limiting surface 4.3 are arranged at left and right intervals, and the heights of the first limiting surface 4.2 and the second limiting surface 4.3 on the elastic positioning part 4 are H2, wherein H2 is more than H1.
In this embodiment, the supporting surface 4.1 is arranged in a cambered surface, and two ends of the cambered surface are higher than the lowest end of the supporting surface 4.1. The outer surface of the other end of the elastic piece 3 is in a cylindrical shape, the other end of the elastic piece 3 is in point contact with the supporting surface 4.1, and the bottom of the other end of the elastic piece 3 is limited on the cambered surface left and right.
Alternatively, in this embodiment, the supporting surface 4.1 is arranged in a plane shape, two ends of the supporting surface 4.1 are provided with vertical limiting steps, and the bottom of the other end of the elastic member 3 is limited on the plane left and right.
The inner side of the inner hinge arm 2 is provided with a rolling element 5 and/or a rotating connecting piece 6, the rolling element 5 is rotatably arranged on the inner side of the inner hinge arm 2 through the rotating connecting piece 6, the elastic positioning part 4 is arranged on the outer surface of the rolling element 5 or the rotating connecting piece 6, and the other end of the elastic element 3 is in rolling contact with the elastic positioning part 4 through the rotation of the rolling element 5 or the rotating connecting piece 6 in the opening and closing process of the hinge.
In this embodiment, the inner side of the inner hinge arm 2 is provided with a rolling member 5 and a rotation connecting member 6, and the rolling member 5 is rotatably provided on the rotation connecting member 6.
Or, be equipped with on the interior side of interior arm 2 and rotate connecting piece 6, rotate connecting piece 6 one end and insert in the shaft hole of interior arm 2, rotate connecting piece 6 one end and be equipped with the nut, the nut external diameter is greater than the shaft hole internal diameter of interior arm 2, rotate connecting piece 6 other end external diameter and be greater than the shaft hole internal diameter of interior arm 2, prevent to rotate connecting piece 6 and break away from the shaft hole of interior arm 2, elastic locating part 4 encircles and sets up on the surface of rotating connecting piece 6 other end.
Only when the outer diameter of the other end of the rotary connecting piece 6 is large enough, the rolling piece 5 can be replaced, and the rolling piece 5 does not need to be additionally arranged.
One end of the rotary connecting piece 6 is provided with a limiting bulge 6.1, and the rolling piece 5 is limited between the inner side of the inner hinge arm 2 and the limiting bulge 6.1 left and right.
The connection part between the rolling element 5 and the rotary connecting piece 6 is provided with a positioning rotary part 7, and the rolling element 5 is positioned and rotated on the rotary connecting piece 6 through the positioning rotary part 7.
In the present embodiment, the positioning rotating portion 7 is a through hole, and the rotating connector 6 is inserted into the through hole.
The inner hinge arm 2 is provided with a connecting part 2.1, the rotary connecting piece 6 is connected with the inner hinge arm 2 through the connecting part 2.1, the rotary connecting piece 6 is provided with a first step positioning part 6.2 and a second step positioning part 6.3, and the connecting part 2.1 of the inner hinge arm 2 is limited between the first step positioning part 6.2 and the second step positioning part 6.3 in the left-right direction.
In this embodiment, the outer diameter of the first step positioning portion 6.2 is D1, the outer diameter of the second step positioning portion 6.3 is D2, the inner diameter of the connecting portion 2.1 is D3, and D1 and D2 are larger than D3, respectively.
In this embodiment, the rotary connecting piece 6 is a rivet, and the second step positioning portion 6.3 is formed at one end of the rivet through a riveting process, which can be understood as that the flange is formed at one end of the rivet through pressing.
In this embodiment, the rotary connector 6 is installed by first passing through the connecting portion 2.1 of the inner hinge arm 2, and then forming the second step positioning portion 6.3 by pressing one end of the rotary connector 6.
A damper 8 and a bearing piece 9 are arranged in the connecting arm 1, one end of the damper 8 acts on the elastic piece 3 through the transmission of the bearing piece 9, and the elastic opening and damping buffer closing of the hinge are realized through the elastic piece 3 and the damper 8 in the opening and closing process; a supporting piece 10 is arranged between the damper 8 and the supporting piece 9, the damper 8 is supported on the supporting piece 9 through the supporting piece 10, a damping buckling part 11 is arranged between the inner hinge arm 2 and the supporting piece 10, and the damping buckling part 11 between the inner hinge arm 2 and the supporting piece 10 is buckled or separated in the hinge opening and closing process so as to guide the damper 8 to move on the connecting arm 1 and realize buffer closing of the damper 8 on the hinge.
In the present embodiment, the damping fastening portion 11 is shown in chinese patent publication No. CN111997463a, which is not described in detail herein
The connection relation of other parts of the hinge is shown in China patent publication No. CN111997463A, and is not described in detail herein.
The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a hinge that elasticity switching is stable, includes linking arm (1), with interior hinge arm (2) that linking arm (1) normal running fit is connected, and set up elastic component (3) between linking arm (1) and interior hinge arm (2), elastic component (3) one end elasticity is acted on linking arm (1), its characterized in that: the inner side of the inner hinge arm (2) is provided with an elastic positioning part (4) for limiting the other end of the elastic piece (3) left and right, and the elastic positioning part (4) is rotatably arranged on the inner side of the inner hinge arm (2) so that two ends of the elastic piece (3) are positioned between the connecting arm (1) and the elastic positioning part (4) of the inner hinge arm (2) in the hinge opening and closing process.
2. The resilient, open-close stable hinge of claim 1, wherein: the elastic positioning part (4) is provided with a supporting surface (4.1), a first limiting surface (4.2) and a second limiting surface (4.3), the supporting surface (4.1) is positioned between the first limiting surface (4.2) and the second limiting surface (4.3), and the other end of the elastic piece (3) elastically acts on the supporting surface (4.1) and is limited between the first limiting surface (4.2) and the second limiting surface (4.3) left and right.
3. The resilient, open-close stable hinge of claim 2, wherein: the supporting surface (4.1) of the elastic positioning part (4) is in point contact, line contact or surface contact with the other end of the elastic piece (3).
4. The resilient, open-close stable hinge of claim 2, wherein: the limiting contact area between the elastic positioning part (4) and the other end of the elastic piece (3) is changed by changing the shape of the supporting surface (4.1) and/or the first limiting surface (4.2) and/or the second limiting surface (4.3).
5. The resilient, open-close stable hinge of claim 2, wherein: the height of the supporting surface (4.1) on the elastic positioning part (4) is H1, the first limiting surface (4.2) and the second limiting surface (4.3) are arranged at left and right intervals, and the heights of the first limiting surface (4.2) and the second limiting surface (4.3) on the elastic positioning part (4) are H2, wherein H2 is more than H1.
6. The resilient, open-close stable hinge of claim 1, wherein: the inner side of the inner hinge arm (2) is provided with a rolling element (5) and/or a rotating connecting piece (6), the rolling element (5) is rotatably arranged on the inner side of the inner hinge arm (2) through the rotating connecting piece (6), the elastic positioning part (4) is arranged on the outer surface of the rolling element (5) or the rotating connecting piece (6), and the other end of the elastic element (3) is in rolling contact with the elastic positioning part (4) through the rotation of the rolling element (5) or the rotating connecting piece (6) in the opening and closing process of the hinge.
7. The resilient, open-close stable hinge of claim 5, wherein: one end of the rotary connecting piece (6) is provided with a limiting bulge (6.1), and the rolling piece (5) is limited between the inner side of the inner hinge arm (2) and the limiting bulge (6.1) left and right.
8. The resilient, open-close stable hinge of claim 5, wherein: the connection part between the rolling piece (5) and the rotary connecting piece (6) is provided with a positioning rotary part (7), and the rolling piece (5) is positioned and rotated on the rotary connecting piece (6) through the positioning rotary part (7).
9. The resilient, open-close stable hinge of claim 5, wherein: the inner hinge arm (2) is provided with a connecting part (2.1), the rotating connecting piece (6) is connected with the inner hinge arm (2) through the connecting part (2.1), the rotating connecting piece (6) is provided with a first step positioning part (6.2) and a second step positioning part (6.3), and the connecting part (2.1) of the inner hinge arm (2) is limited between the first step positioning part (6.2) and the second step positioning part (6.3) in a left-right limiting mode.
10. The resilient, open-close stable hinge of claim 1, wherein: a damper (8) and a bearing piece (9) are arranged in the connecting arm (1), one end of the damper (8) acts on the elastic piece (3) through the bearing piece (9) in a transmission way, and the elastic opening and damping buffer closing of the hinge are realized through the elastic piece (3) and the damper (8) in the opening and closing process; a supporting piece (10) is arranged between the damper (8) and the supporting piece (9), the damper (8) is supported on the supporting piece (9) through the supporting piece (10), a damping buckling part (11) is arranged between the inner hinge arm (2) and the supporting piece (10), and the damping buckling part (11) between the inner hinge arm (2) and the supporting piece (10) is buckled or separated in the hinge opening and closing process so as to guide the damper (8) to move on the connecting arm (1) and realize the buffer closing of the damper (8) on the hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321337442.6U CN220101005U (en) | 2023-05-29 | 2023-05-29 | Hinge with stable elastic opening and closing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321337442.6U CN220101005U (en) | 2023-05-29 | 2023-05-29 | Hinge with stable elastic opening and closing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101005U true CN220101005U (en) | 2023-11-28 |
Family
ID=88865367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321337442.6U Active CN220101005U (en) | 2023-05-29 | 2023-05-29 | Hinge with stable elastic opening and closing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101005U (en) |
-
2023
- 2023-05-29 CN CN202321337442.6U patent/CN220101005U/en active Active
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