CN218953809U - Novel locking mechanism of hinge - Google Patents
Novel locking mechanism of hinge Download PDFInfo
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- CN218953809U CN218953809U CN202222285602.9U CN202222285602U CN218953809U CN 218953809 U CN218953809 U CN 218953809U CN 202222285602 U CN202222285602 U CN 202222285602U CN 218953809 U CN218953809 U CN 218953809U
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Abstract
The utility model provides a novel locking mechanism of a hinge, which comprises a first shaft and a second shaft which are parallel, wherein a left cam and a right cam are fixedly connected to the first shaft and the second shaft respectively; one end of the left cam and one end of the right cam are respectively provided with an opening control cam, the outer sides of the middle parts of the left cam and the right cam are provided with locking control cam grooves, the locking mechanism is provided with a sliding cam matched with the opening control cam and a movable locking piece matched with the locking control cam grooves, and the movable locking piece can transversely slide and slide forwards and backwards along the axial directions of the first shaft and the second shaft so as to be combined with the locking control cam grooves to lock and unlock; the movable locking piece is connected with the operation connecting rod. The utility model can provide the use function of automatically flicking and opening to a certain angle after folding, locking and unlocking for the inward folding flexible screen mobile terminal, and can design different cam inclined planes according to the needs so as to meet different flicking and opening angle requirements and obtain different flicking forces, and has the advantage of small occupied length space.
Description
Technical Field
The utility model relates to a locking mechanism of a hinge, in particular to a locking mechanism of an inward folding flexible screen mobile terminal, which can be a mobile phone, a notebook computer and the like.
Background
The flexible screen mobile terminal of infolding includes left side casing and right side casing, and the flexible screen is laid in the inboard of left side casing and right side casing, and when the flexible screen mobile terminal of infolding was folded, left side casing and right side casing coincide, and flexible screen middle part bending can produce outside thrust that opens. The inward folding flexible screen mobile terminal can utilize an elastic mechanism in the hinge, so that when the mobile terminal is folded to a certain angle, the outward opening force is overcome, and the mobile terminal has an automatic closing trend, so that the mobile terminal has a certain closing force after being folded. Accordingly, a certain external force is required to be applied to the opening, so that the use requirement of the pop-up opening cannot be met.
Disclosure of Invention
The utility model aims to provide a novel locking mechanism of a hinge, which can provide a use function of automatically bouncing open to a certain angle after folding, locking and unlocking for an inward folding flexible screen mobile terminal. For this purpose, the utility model adopts the following technical scheme:
the novel locking mechanism of the hinge comprises a first shaft and a second shaft which are parallel, and is characterized in that a left cam and a right cam are respectively fixedly connected on the first shaft and the second shaft;
one ends of the left cam and the right cam are respectively provided with an opening control cam, the outer sides of the middle parts of the left cam and the right cam are provided with locking control cam grooves, the locking mechanism is provided with a sliding cam matched with the opening control cam and a movable locking piece matched with the locking control cam grooves, and the movable locking piece can transversely slide and slide forwards and backwards along the axial directions of the first shaft and the second shaft so as to be combined with the locking control cam grooves to lock and unlock;
the locking mechanism is provided with a first elastic component, the sliding cam and the opening control cam are pressed by the first elastic component to be matched, and the matching of the opening control cam and the sliding cam is that based on the first elastic component, the driving force with the same direction as the spring opening direction of the hinge is output or the plane matching is realized between the hinge and the first opening angle when the hinge is in the folded state; or the resistance to the hinge spring opening direction is opposite, and the resistance is smaller than the spring opening driving force received by the hinge;
the movable locking piece is connected with the operation connecting rod, and the locking mechanism is provided with an elastic component which enables the movable locking piece to be matched with the locking control cam groove.
On the basis of adopting the technical scheme, the utility model can also adopt the following further technical schemes or use the further technical schemes in combination:
the movable locking piece is provided with a lock head, and the locking control cam groove is provided with a locking groove which axially extends and is matched with the lock head and a sliding groove which circumferentially extends and is matched with the lock head after the locking groove is separated from the locking groove corresponding to the folded state of the hinge.
The groove wall of the locking groove is provided as a cam surface, and the hinge can be opened from a folded state based on torque input from the first shaft and the second shaft.
The left movable locking piece matched with the locking control cam groove on the left cam and the right movable locking piece matched with the locking control cam groove on the right cam are in transverse sliding connection, the elastic component is arranged between the left movable locking piece and the right movable locking piece, the working direction of the elastic component is to drive the left movable locking piece and the right movable locking piece to transversely move, the connecting rod is provided with a transverse guide groove, and the left movable locking piece and the right movable locking piece are further in sliding connection with the transverse guide groove through a Z-shaped bulge structure and are driven by the connecting rod to axially displace.
The hinge is provided with a synchronous reverse transmission mechanism, the synchronous reverse transmission mechanism adopts a gear meshing transmission mechanism, and the first shaft and the second shaft are gear shafts of the gear meshing transmission mechanism; the sliding cam is located at the end remote from the gear engagement transmission mechanism, and the connecting rod extends in a direction remote from the gear engagement transmission mechanism.
The connecting rod is in an unlocking movement direction when the working direction of the movable locking piece is in a direction away from the synchronous reversing mechanism.
The hinge is a hinge of the mobile terminal of the inward folding flexible screen, and the spring force comprises outward opening thrust generated after the middle part of the flexible screen is bent.
The first shaft and the second shaft are respectively connected with a left rotating arm and a right rotating arm of the hinge.
The first shaft and the second shaft are respectively connected with a left rotating arm and a right rotating arm of the hinge through fixed cams.
By adopting the technical scheme of the utility model, the utility model can provide the use function of automatically flicking and opening to a certain angle after folding, locking and unlocking for the inward folding flexible screen mobile terminal, and can design different cam inclined planes according to the needs so as to meet different flicking and opening angle requirements and obtain different flicking forces, and the utility model has the advantage of small occupied length space.
Drawings
Fig. 1 is a schematic diagram of a hinge including a locking mechanism of the present utility model when applied to an inwardly folded flexible screen mobile terminal, where the inwardly folded flexible screen mobile terminal is in a folded state, and the hinges disposed on two sides of the inwardly folded flexible screen mobile terminal are respectively denoted by 201 and 202, and the hinges are all provided with the locking mechanism of the present utility model.
Fig. 2 is a schematic back view of an invaginated flexible screen mobile terminal incorporating the hinge application of the locking mechanism of the present utility model. Reference numeral 100 is a middle casing of the inward folding flexible screen mobile terminal, and reference numeral 101 is a back surface of the middle casing of the inward folding flexible screen mobile terminal.
Fig. 3 is an exploded view of the embodiment shown in fig. 1.
Fig. 4 is an exploded view of the engagement of the lock control cam groove and the movable lock piece.
Fig. 5 is a schematic view showing the engagement of the lock control cam groove and the movable lock piece.
Fig. 6 is a schematic diagram of a locking engagement of the locking mechanism, wherein the mobile terminal of the folded-in flexible screen is in a folded state.
Fig. 7 is a schematic diagram of the engagement of the locking mechanism after unlocking, wherein the mobile terminal of the folded-in flexible screen is in a flattened state.
Detailed Description
Reference is made to the accompanying drawings. The hinge applied to the inward folding flexible screen mobile terminal is taken as an example in the embodiment.
The locking mechanism of the hinge comprises a first shaft 11 and a second shaft 12 which are parallel, wherein the first shaft 11 and the second shaft 12 can be shafts connected with a synchronous reverse transmission mechanism for controlling the synchronous reverse rotation of a left rotating mechanism and a right rotating mechanism in the hinge so as to synchronously and reversely rotate. The first shaft 11 and the second shaft 12 are respectively connected with a left rotating arm 301 and a right rotating arm 302 of the hinge; the left rotating arm 301 and the right rotating arm 302 may be respectively connected to a left side housing and a right side housing of the folder-flexible screen mobile terminal, or a left side push rod and a right side push rod.
The first shaft 11 and the second shaft 12 are fixedly connected with a left cam 21 and a right cam 22 respectively, which may be formed directly on the shaft or fixed on the shaft for a structure separated from the shaft to move synchronously with the shaft, in this embodiment, the left rotating arm 301 and the right rotating arm 302 of the hinge are also connected with the fixed cams 21 and 22 respectively, and are connected with the first shaft 11 and the second shaft 12 respectively through the fixed cams 21 and 22.
The left cam 11 and the right cam 12 are provided at one end thereof with opening control cams 31, 32, respectively, the outer sides of the middle parts (i.e., non-end parts) of the left cam 11 and the right cam 12 are provided with locking control cam grooves 41, 42, respectively, the locking mechanism is provided with sliding cams 51, 52 engaged with the opening control cams 31, 32 and movable locking pieces 61, 62 engaged with the locking control cam grooves 41, 42, the movable locking pieces 61, 62 are capable of sliding laterally and sliding back and forth in the axial direction (perpendicular to the lateral direction) of the first shaft 11 and the second shaft 12 to be locked and unlocked in combination with the locking control cam grooves 41, 42.
The locking mechanism is provided with a first elastic part 7, the first elastic part 7 can adopt a spring, the first elastic parts 7 on two sides are respectively sleeved on the first shaft 11 and the second shaft 12, the sliding cams 51 and 52 are respectively pressed by the first elastic part 7 and are respectively matched with the opening control cams 31 and 32, the reference numeral 70 is a bracket for supporting the first elastic part 7, the bracket is fixed on the middle shell 100 of the mobile terminal, and the first shaft 11 and the second shaft 12 pass through the bracket 70. The engagement of the opening control cams 31, 32 and the slide cams 51, 52 is configured to output, based on the first elastic member 7, a driving force in the same direction as the hinge pop-up opening direction (for releasing potential energy of the first elastic member 7) or a resistance force (for accumulating potential energy of the first elastic member 7) opposite to the hinge pop-up opening direction, the resistance force being smaller than the pop-up driving force received by the hinge, between when the hinge is in the folded state and the first opening angle; or a planar fit (the first elastic member 7 does not release nor accumulate potential energy); the first and second engagements may be performed by the position cam being located in an uphill engagement or a downhill engagement. The above cooperation is selected based on the need for the magnitude of the pop-up force, i.e. when the pop-up force is required to be large, the first cooperation is selected; the outward opening pushing force generated after the middle part of the flexible screen is bent is also a part of the spring opening force, and when the spring opening force requirement is small or the outward opening pushing force generated after the middle part of the flexible screen is bent is relatively large, the second fit or the third fit is selected.
When the potential energy is released and falls to balance with the force required for opening the mobile terminal, the hinge (the mobile terminal) is in a hovering state, the opening angle is the first opening angle, the automatic flicking process from folding to unlocking can be realized from the first opening angle, and different cam inclined planes can be designed according to the requirement, so that different flicking angle requirements can be met, and different flicking forces can be obtained.
The movable locking pieces 61, 62 are connected with the operation connecting rod 60, a guiding support structure of the connecting rod 60 can be arranged on the middle shell 100 of the mobile terminal, and the locking mechanism is provided with an elastic component 9 which keeps the movable locking piece matched with the locking control cam groove. The elastic member 9 urges the movable lock pieces 61, 62 toward the lock control cam grooves 41, 42. An external force can be input in the middle of the mobile terminal to drive the movable locking pieces 61, 62 to perform unlocking sliding.
The movable locking pieces 61 and 62 are respectively provided with a locking head 63, and the locking control cam grooves 41 and 42 are provided with a locking groove 43 which axially extends and is matched with the locking head 63 and a sliding groove 44 which circumferentially extends and is matched with the locking head after being separated from the locking groove corresponding to the folded state of the hinge. The axial direction is the axial direction of the first shaft and the second shaft, and the circumferential direction is the circumferential direction taking the first shaft and the second shaft as axes respectively. Further, the groove wall of the locking groove 43 is provided as a cam surface, so that the hinge can be opened from a folded state based on the torque input from the first shaft 11 and the second shaft 12, for example, the left side case and the right side case of the mobile terminal are opened by being broken, which takes much effort, and this serves to prevent the damage of the mechanism by the erroneous operation.
The left movable locking piece 61 matched with the locking control cam groove 41 on the left cam 21 and the right movable locking piece 62 matched with the locking control cam groove 42 on the right cam 22 can be combined together to facilitate sliding control, simple structure and arrangement of the elastic component 9, the combination can be that the combination is in sliding connection in the transverse direction, one movable locking piece is provided with a transverse pin 64, the other sliding locking piece is provided with a hole 65 in sliding connection with the pin 64, the two movable locking pieces are provided with connecting plates 66, the transverse pin 64 and the hole 65 are respectively arranged on the connecting plates 66 of the two movable locking pieces, the elastic component 9 is arranged between the connecting plates 65 of the two movable locking pieces, and the elastic component 9 can adopt a disc spring and is in the working direction of driving the left movable locking piece and the right movable locking piece to transversely move. A Z-direction limit structure 67 of the movable locking member 61, 62 may be provided on the middle housing 100 of the mobile terminal, which may be a limit groove composed of two plates.
The connecting rod 60 is provided with a transverse guide groove 68, and the left movable locking piece 61 and the right movable locking piece 62 are also connected with the transverse guide groove 68 in a sliding way through a Z-direction protruding structure 69 and are driven by the connecting rod 60 to axially displace.
The synchronous reverse transmission mechanism of the hinge adopts a gear meshing transmission mechanism 8, and the first shaft 11 and the second shaft 12 are gear shafts of the gear meshing transmission mechanism 8; the sliding cams 51, 52 are located at the end far from the gear engagement transmission mechanism 8, and the connecting rod 60 extends in a direction far from the gear engagement transmission mechanism 8, so that the hinge with the function of the present utility model is arranged at both sides of the mobile terminal and operates uniformly.
The above embodiments are merely examples of the present utility model, but the present utility model is not limited thereto, and any changes or modifications made by those skilled in the art are included in the scope of the present utility model.
It is noted that the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the foregoing drawings are intended to cover non-exclusive inclusions. The terms "mounted," "configured," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the terms "one end," "another end," "outer side," "inner side," "horizontal," "end," "length," "outer end," "left," "right," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. The terms "first," "second," and the like, are also used for simplicity of description only and are not indicative or implying relative importance.
Claims (9)
1. The novel locking mechanism of the hinge comprises a first shaft and a second shaft which are parallel, and is characterized in that a left cam and a right cam are respectively fixedly connected on the first shaft and the second shaft;
one ends of the left cam and the right cam are respectively provided with an opening control cam, the outer sides of the middle parts of the left cam and the right cam are provided with locking control cam grooves, the locking mechanism is provided with a sliding cam matched with the opening control cam and a movable locking piece matched with the locking control cam grooves, and the movable locking piece can transversely slide and slide forwards and backwards along the axial directions of the first shaft and the second shaft so as to be combined with the locking control cam grooves to lock and unlock;
the locking mechanism is provided with a first elastic component, the sliding cam and the opening control cam are pressed by the first elastic component to be matched, and the matching of the opening control cam and the sliding cam is that based on the first elastic component, the driving force with the same direction as the spring opening direction of the hinge is output or the plane matching is realized between the hinge and the first opening angle when the hinge is in the folded state; or the resistance to the hinge spring opening direction is opposite, and the resistance is smaller than the spring opening driving force received by the hinge;
the movable locking piece is connected with the operation connecting rod, and the locking mechanism is provided with an elastic component which enables the movable locking piece to be matched with the locking control cam groove.
2. The novel locking mechanism of the hinge according to claim 1, wherein the movable locking piece is provided with a lock head, and the locking control cam groove is provided with a locking groove which is axially extended and matched with the lock head and a sliding groove which is circumferentially extended and matched with the lock head after being separated from the locking groove corresponding to the folded state of the hinge.
3. The novel locking mechanism of the hinge as claimed in claim 2, wherein the wall of the locking groove is provided as a cam surface so that the hinge can be opened from the folded state based on the input of torsion from the first shaft and the second shaft.
4. The novel locking mechanism of hinge according to claim 1, wherein a left movable locking piece matched with the locking control cam groove on the left cam and a right movable locking piece matched with the locking control cam groove on the right cam are slidingly connected in the transverse direction, the elastic component is arranged between the left movable locking piece and the right movable locking piece, the working direction of the elastic component is to drive the left movable locking piece and the right movable locking piece to transversely move, the connecting rod is provided with a transverse guide groove, and the left movable locking piece and the right movable locking piece are also slidingly connected with the transverse guide groove through a Z-direction protruding structure and are driven by the connecting rod to axially displace.
5. The novel locking mechanism of the hinge as claimed in claim 1, wherein the hinge is provided with a synchronous reverse transmission mechanism, the synchronous reverse transmission mechanism adopts a gear engagement transmission mechanism, and the first shaft and the second shaft are gear shafts of the gear engagement transmission mechanism; the sliding cam is located at the end remote from the gear engagement transmission mechanism, and the connecting rod extends in a direction remote from the gear engagement transmission mechanism.
6. The novel locking mechanism of claim 1, wherein said connecting rod is in an unlocking motion direction when being pulled in a direction away from the synchronous reversing mechanism with respect to an operation direction of said movable locking member.
7. The novel locking mechanism of the hinge according to claim 1, wherein the hinge is a hinge of a mobile terminal of an inward folding flexible screen, and the spring-open driving force comprises outward opening thrust generated after the middle part of the flexible screen is bent.
8. The novel locking mechanism of the hinge as recited in claim 7, wherein said first and second shafts connect left and right swivel arms of said hinge, respectively.
9. The novel locking mechanism of the hinge as recited in claim 8, wherein said first and second shafts are connected to left and right rotating arms of said hinge by fixed cams, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222285602.9U CN218953809U (en) | 2022-08-25 | 2022-08-25 | Novel locking mechanism of hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222285602.9U CN218953809U (en) | 2022-08-25 | 2022-08-25 | Novel locking mechanism of hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218953809U true CN218953809U (en) | 2023-05-02 |
Family
ID=86108611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222285602.9U Active CN218953809U (en) | 2022-08-25 | 2022-08-25 | Novel locking mechanism of hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218953809U (en) |
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2022
- 2022-08-25 CN CN202222285602.9U patent/CN218953809U/en active Active
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