CN215928108U - Double-shaft hinge - Google Patents
Double-shaft hinge Download PDFInfo
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- CN215928108U CN215928108U CN202121541110.0U CN202121541110U CN215928108U CN 215928108 U CN215928108 U CN 215928108U CN 202121541110 U CN202121541110 U CN 202121541110U CN 215928108 U CN215928108 U CN 215928108U
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- locking piece
- connecting frame
- locking
- rotating connecting
- shaft
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- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
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- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a double-shaft hinge which is provided with a locking structure, wherein the locking structure comprises a left sliding locking piece and a right sliding locking piece, the main bodies of the left sliding locking piece and the right sliding locking piece are respectively and slidably arranged on a frame body of a left rotating connecting frame and a right rotating connecting frame outside a middle shell of a mobile terminal, the heads of the left sliding locking piece and the right sliding locking piece are positioned in the middle shell, the locking structure is internally provided with locking grooves respectively corresponding to the locking parts of the left sliding locking piece and the right sliding locking piece, and the locking structure is also provided with a guide structure in the middle shell; the locking structure is provided with a pushing structure outside the middle shell for pushing the left sliding locking piece and the right sliding locking piece to slide. The main space occupation part of the locking structure is arranged outside the middle shell, and the friction receiving structure is arranged in the middle shell, so that the space occupation of the middle shell is reduced, the influence of friction and abrasion on the appearance is avoided, and the locking reliability of the locking structure is high.
Description
Technical Field
The utility model relates to a double-axis hinge, in particular to a double-axis hinge of a flexible screen mobile terminal, wherein the mobile terminal can be a mobile phone, a notebook computer and the like.
Background
For the fold-in flexible screen mobile terminal, in order to maintain stability of a 180 ° flattened state, there is a hinge that is provided with a locking structure. The locking structure has a scheme of being disposed inside a middle housing of the flexible screen mobile terminal, which may occupy more space of the middle housing. There is also an embodiment in which the lock structure is provided outside the middle housing and uses the outer side surface of the middle housing as the cam surface, but thereby the lock head of the lock structure rubs against the surface of the middle housing and the appearance is deteriorated due to wear of the housing surface after a certain period of use.
SUMMERY OF THE UTILITY MODEL
The technical scheme to be solved by the utility model is to provide a double-shaft hinge which is provided with a locking structure, but avoids excessive occupation of the inner space of a middle shell and influence on appearance. Therefore, the utility model adopts the following technical scheme:
a double-shaft hinge comprises a first shaft and a second shaft which are parallel, a left rotating connecting frame and a right rotating connecting frame, wherein the left rotating connecting frame and the right rotating connecting frame are respectively connected with the first shaft and the second shaft; the double-shaft hinge is further provided with a locking structure, and the locking structure is used for locking the left rotating connecting frame and the right rotating connecting frame when the left rotating connecting frame and the right rotating connecting frame rotate to the angle corresponding to the unfolding of the mobile terminal; the locking structure is characterized in that the locking structure comprises a left sliding locking piece and a right sliding locking piece, the main bodies of the left sliding locking piece and the right sliding locking piece are respectively slidably installed on a frame body of a left rotating connecting frame and a right rotating connecting frame outside a middle shell of the mobile terminal and respectively rotate synchronously with the left rotating connecting frame and the right rotating connecting frame, the heads of the left sliding locking piece and the right sliding locking piece are positioned in the middle shell, the locking structure is provided with locking grooves corresponding to the locking positions of the left sliding locking piece and the right sliding locking piece in the middle shell, and the locking structure is also provided with a guiding structure in the middle shell and can guide the locking positions of the left sliding locking piece and the right sliding locking piece into and guide out the respective locking grooves; the locking structure is provided with a pushing structure outside the middle shell for pushing the left sliding locking piece and the right sliding locking piece to slide.
On the basis of the technical scheme, the utility model can also adopt the following further technical schemes or combine the further technical schemes for use:
the guide structure of the locking structure comprises a left fixed cam and a right fixed cam, the head parts of the left sliding lock piece and the right sliding lock piece are provided with rotating cams matched with the fixed cams except the locking part, and the rotating cams are matched with the fixed cams under the pushing of the pushing structure.
The pushing structure comprises a spring, the left rotating connecting frame and the right rotating connecting frame are respectively provided with an installation groove, main bodies of the left sliding locking piece and the right sliding locking piece are arranged in the installation grooves, and the spring is also arranged in the installation grooves and sleeved outside the main bodies; the mounting grooves of the left rotating connecting frame and the right rotating connecting frame are respectively provided with a sliding guide structure of a left sliding locking piece and a sliding guide structure of a right sliding locking piece; the sliding direction of the left sliding locking piece and the right sliding locking piece is vertical to the first shaft and the second shaft.
The middle shell is provided with a thin-wall part used for avoiding the locking part in the rotating process.
The connecting position of the left-hand rotation connecting frame and the first shaft and the connecting position of the right-hand rotation connecting frame and the second shaft are located at the end part of the middle shell, and the head parts of the left-hand sliding locking piece and the right-hand sliding locking piece extend into the middle shell from the end part of the middle shell.
The locking portion is perpendicular to a pin shaft of the rotating cam.
The left fixed cam and the right fixed cam are connected into a whole in parallel, and the locking groove is also formed in the whole. The whole is respectively provided with holes for the first shaft and the second shaft to pass through.
The whole just sets up the port of middle casing, the biax hinge still sets up torsion mechanism, torsion mechanism includes the package clamp part of package clamp primary shaft and secondary shaft, the package clamp part sets up holistic inboard sets up the synchronous counter-rotating mechanism of biax hinge in the inboard of package clamp part.
By adopting the technical scheme of the utility model, the main space occupation part of the locking structure is arranged outside the middle shell, and the friction receiving structure is arranged in the middle shell, so that the space occupation of the middle shell is reduced, the influence of friction and abrasion on the appearance is avoided, and the locking reliability of the locking structure is high.
Drawings
Fig. 1 is an exploded view of the structure of an embodiment of the present invention.
Fig. 2 and 3 are cross-sectional views of the locking structure in the locked state and the unlocked state, respectively, according to the embodiment of the present invention.
Fig. 4 and 5 are cross-sectional views of the guide structure in the locked state and the unlocked state, respectively, according to the embodiment of the present invention.
Fig. 6 and 7 are sectional views of the locking structure and the guiding structure in the locked state and the unlocked state, respectively, according to the embodiment of the present invention.
Detailed Description
Reference is made to the accompanying drawings. The embodiment takes the application to a folding-in flexible screen mobile terminal as an example, and the flexible screen is arranged on the inner side of the mobile terminal. The utility model provides a double-shaft hinge which comprises a first shaft 11, a second shaft 12, a left rotating connecting frame 21 and a right rotating connecting frame 22 which are parallel, wherein the left rotating connecting frame 21 and the right rotating connecting frame 22 are respectively and fixedly connected with the first shaft 11 and the second shaft 12; the double-shaft hinge is further provided with a locking structure, and the locking structure is used for locking the left rotating connecting frame 21 and the right rotating connecting frame 22 when the left rotating connecting frame 21 and the right rotating connecting frame 22 rotate to the angle corresponding to the unfolding and flat state of the flexible inward-folded screen mobile terminal; the locking structure comprises a left sliding locking piece 31 and a right sliding locking piece 32, main bodies 311 and 321 of the left sliding locking piece 31 and the right sliding locking piece 32 are respectively slidably installed on a frame body of a left rotating connecting frame 21 and a right rotating connecting frame 22 which are positioned outside a middle shell 100 of the inward-folded flexible screen mobile terminal and respectively rotate synchronously with the left rotating connecting frame 21 and the right rotating connecting frame 22, the heads of the left sliding locking piece 31 and the right sliding locking piece 32 are positioned in the middle shell 100, locking grooves 411 and 412 which respectively correspond to the locking parts of the left sliding locking piece 31 and the right sliding locking piece 32 are arranged in the middle shell 100, and the locking structure is also provided with a guide structure which can guide the locking parts of the left sliding locking piece 31 and the right sliding locking piece 32 into and guide out of the respective locking grooves 411 and 412; the locking structure further comprises a pushing structure for pushing the left sliding lock 31 and the right sliding lock 32 to slide, respectively.
The guide structure of locking structure includes left fixed cam 41 and right fixed cam 42, the head that left side slip latch fitting 31 and right side slip latch fitting 32 removes the locking position still all sets up and fixed cam complex rotates cam 312, 322 the promotion that promotes the structure compresses tightly down, rotate cam 312, 322 and left fixed cam 41 and right fixed cam 42 cooperation, divide into two position structures with the rotating cam and can improve leading-in effect of exporting and locking power. The locking portion may be a pin 412, 422 perpendicular to the rotating cam.
The left pushing structure and the right pushing structure respectively comprise a spring 5, the left rotating connecting frame 21 and the right rotating connecting frame 22 are respectively provided with mounting grooves 211 and 221, main bodies 311 and 321 of the left sliding lock piece 31 and the right sliding lock piece 32 are arranged in the mounting grooves 211 and 221, and the spring 5 is also arranged in the mounting grooves and respectively sleeved outside the main bodies 311 and 321; the mounting grooves 211 and 221 of the left rotating connecting frame 21 and the right rotating connecting frame 22 are respectively provided with a sliding guide structure of a left sliding locking piece 31 and a right sliding locking piece 32; the sliding direction of left slide latch 31 and right slide latch 32 is perpendicular to first axis 11 and second axis 12.
The middle shell 100 has an inner thinned thin-wall part for the yielding of the locking part in the rotating process, so that the non-functional part can be utilized to play a role in reducing the occupied space of the functional structure.
The connection portion 212 of the left-hand rotation connecting frame 21 and the first shaft 11 and the connection portion 222 of the right-hand rotation connecting frame 22 and the second shaft 12 are located at the end portion of the middle housing 100, and the head portions of the left-hand sliding lock 31 and the right-hand sliding lock 32 also extend into the middle housing 100 from the end portion of the middle housing 100, so that the arrangement is convenient to install.
The left fixed cam 41 and the right fixed cam 42 are connected in parallel to form a whole 400, and the locking slots 411 and 421 are also arranged on the whole 400. The whole 400 is provided with holes for the first shaft 11 and the second shaft 12 to pass through, respectively.
As shown in the figure, the whole 400 is provided with a port of the middle shell, the biaxial hinge is further provided with a torsion mechanism, the torsion mechanism comprises a wrapping and clamping part 6 wrapping and clamping a first shaft 11 and a second shaft 12, the wrapping and clamping part 6 is arranged on the inner side of the whole 400, and a synchronous reverse rotation mechanism 7 of the biaxial hinge is arranged on the inner side of the wrapping and clamping part 6.
As can be seen from the drawings of the present invention, the space occupied by the locking structure of the present invention and the hinge as a whole in the middle housing 100 is small, and the surface of the middle housing 100 is not worn by the locking structure.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the device or the element to be referred to must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the orientation or positional relationship in the present invention are used for illustrative purposes only and are not to be construed as a limitation of the present patent, and it is possible for one of ordinary skill in the art to understand the specific meaning of the above terms according to specific situations by combining the drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "sandwiched," and "connected" are intended to be inclusive and mean, for example, that the elements may be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (9)
1. A double-shaft hinge comprises a first shaft and a second shaft which are parallel, a left rotating connecting frame and a right rotating connecting frame, wherein the left rotating connecting frame and the right rotating connecting frame are respectively connected with the first shaft and the second shaft; the double-shaft hinge is further provided with a locking structure, and the locking structure is used for locking the left rotating connecting frame and the right rotating connecting frame when the left rotating connecting frame and the right rotating connecting frame rotate to the angle corresponding to the unfolding of the mobile terminal; the locking structure is characterized in that the locking structure comprises a left sliding locking piece and a right sliding locking piece, the main bodies of the left sliding locking piece and the right sliding locking piece are respectively slidably installed on a frame body of a left rotating connecting frame and a right rotating connecting frame outside a middle shell of the mobile terminal and respectively rotate synchronously with the left rotating connecting frame and the right rotating connecting frame, the heads of the left sliding locking piece and the right sliding locking piece are positioned in the middle shell, the locking structure is provided with locking grooves corresponding to the locking positions of the left sliding locking piece and the right sliding locking piece in the middle shell, and the locking structure is also provided with a guiding structure in the middle shell and can guide the locking positions of the left sliding locking piece and the right sliding locking piece into and guide out the respective locking grooves; the locking structure is provided with a pushing structure outside the middle shell for pushing the left sliding locking piece and the right sliding locking piece to slide.
2. A biaxial hinge as defined in claim 1, wherein said guide structure of said locking structure comprises a left fixed cam and a right fixed cam, the head portions of said left sliding latch and said right sliding latch are provided with a rotating cam cooperating with said fixed cam in addition to said locking portion, and said rotating cam cooperates with said fixed cam under pushing compression of said pushing structure.
3. A biaxial hinge as defined in claim 1, wherein said urging means comprises a spring, said left and right pivoting links being provided with mounting grooves, respectively, main bodies of said left and right sliding locks being disposed in said mounting grooves and said spring being also disposed in said mounting grooves and fitted outside said main bodies; the mounting grooves of the left rotating connecting frame and the right rotating connecting frame are respectively provided with a sliding guide structure of a left sliding locking piece and a sliding guide structure of a right sliding locking piece; the sliding direction of the left sliding locking piece and the right sliding locking piece is vertical to the first shaft and the second shaft.
4. A biaxial hinge as defined in claim 1, wherein said intermediate housing has a thin wall portion for giving way to said locking portion during rotation.
5. A biaxial hinge as defined in claim 1, wherein the connecting portion of said left rotating connecting frame and said first shaft and the connecting portion of said right rotating connecting frame and said second shaft are located at the end portion of said intermediate housing, and the head portions of said left sliding locking piece and said right sliding locking piece are extended from the end portion of said intermediate housing into said intermediate housing.
6. A biaxial hinge as defined in claim 2, wherein said locking portion is a pin perpendicular to said rotating cam.
7. A biaxial hinge as defined in claim 2, wherein said left fixed cam and said right fixed cam are integrally connected in parallel, said lock groove being also provided on said integral; the whole is respectively provided with holes for the first shaft and the second shaft to pass through.
8. A biaxial hinge as defined in claim 7 wherein said unitary body is provided with a port in the intermediate housing, said biaxial hinge further being provided with a torsion mechanism comprising a clamp member for clamping the first and second shafts, said clamp member being provided on the inside of said unitary body, and a synchronous counter-rotation mechanism for the biaxial hinge being provided on the inside of the clamp member.
9. A dual-axis hinge as claimed in claim 1, 2, 3, 4, 5, 6, 7 or 8, wherein said mobile terminal is a fold-in flexible screen mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541110.0U CN215928108U (en) | 2021-07-07 | 2021-07-07 | Double-shaft hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541110.0U CN215928108U (en) | 2021-07-07 | 2021-07-07 | Double-shaft hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215928108U true CN215928108U (en) | 2022-03-01 |
Family
ID=80400210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121541110.0U Expired - Fee Related CN215928108U (en) | 2021-07-07 | 2021-07-07 | Double-shaft hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215928108U (en) |
-
2021
- 2021-07-07 CN CN202121541110.0U patent/CN215928108U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220301 |