CN214533998U - Rotatable hinge mechanism suitable for carrying display screen and mobile terminal - Google Patents
Rotatable hinge mechanism suitable for carrying display screen and mobile terminal Download PDFInfo
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- CN214533998U CN214533998U CN202120203685.5U CN202120203685U CN214533998U CN 214533998 U CN214533998 U CN 214533998U CN 202120203685 U CN202120203685 U CN 202120203685U CN 214533998 U CN214533998 U CN 214533998U
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Abstract
The utility model discloses a be applicable to and carry on display screen and rotatable the hinge mechanism belongs to the technical field of flexible mobile phone equipment, and this mobile terminal hinge mechanism includes: each pair of synchronous revolute pairs comprises rotary arms respectively arranged at two sides of a same central shaft, each rotary arm in the same pair of synchronous revolute pairs synchronously rotates, and the rotation range of the single rotary arm around the central shaft is not less than 180 degrees; the fixed plates are symmetrically arranged on two sides of the central shaft, and the rotating arms positioned on the same side of the central shaft are respectively connected on the fixed plates on the side in a sliding assembly manner; the side covers are symmetrically arranged on two sides of the central shaft, the side covers are in assembly connection with the fixing plate, and the side covers on two sides are linked to rotate for 360 degrees through the synchronous rotating pair, so that the purpose that the soft display screen arranged on the inner side can rotate for 360 degrees outwards at the same time in the folded state of the mobile terminal device is achieved.
Description
Technical Field
The utility model belongs to the technical field of flexible mobile phone equipment, particularly, relate to a be applicable to carry on display screen and rotatable the hinge mechanism.
Background
The mobile terminal is configured as a terminal device capable of performing various functions. As an example of these various functions, new functions such as a data and voice communication function, a function of taking a picture or video with a camera, a function of reproducing a music file with an audio system, and a picture and video display function have been developed and included in mobile terminals.
Recently, with the development of game contents and the development of broadcast contents, the cultural proximity dependency of the public on mobile terminals is greatly increasing.
Since all functions are visually expressed, the display technology of the mobile terminal is also being newly changed. Among them, the flexible display has an advantage that it can be deformed at will, so that a product that can be folded at 180 degrees has been commercialized and is being sold in the market.
With the increasing development of flexible display screens, it is necessary to develop a mobile terminal with a flexible display screen capable of rotating 360 ° in all directions to meet the requirements of customers.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the above-mentioned problem that exists in the prior art, the present invention provides a flexible display screen that is suitable for carrying display screen and rotatable hinge mechanism and mobile terminal so as to achieve the purpose of being able to rotate 360 ° outwards when the mobile terminal device is in a folded state, and the flexible display screen is arranged inside.
The utility model discloses the technical scheme who adopts does: a rotatable hinge mechanism adapted to carry a display screen, the mobile terminal hinge mechanism comprising:
each pair of synchronous revolute pairs comprises rotary arms respectively arranged at two sides of a same central shaft, each rotary arm in the same pair of synchronous revolute pairs synchronously rotates, and the rotation range of the single rotary arm around the central shaft is not less than 180 degrees;
the fixed plates are symmetrically arranged on two sides of the central shaft, and the rotating arms positioned on the same side of the central shaft are respectively connected on the fixed plates on the side in a sliding assembly manner;
the side covers are symmetrically arranged on two sides of the central shaft, are assembled and connected with the fixed plate, and are linked to rotate for 360 degrees through the synchronous rotating pair.
Further, the mobile terminal hinge mechanism further includes:
and the shell covers are symmetrically arranged on two sides of the central shaft, the side parts of the shell covers are in sliding assembly connection with the side covers, and the inner parts of the shell covers are in sliding assembly connection with the rotating arms.
Furthermore, a limiting slide block is arranged in the side cover in a sliding manner and is arranged in a sliding manner along a direction vertical to the central shaft; the limiting sliding block is connected with the shell cover, and a limiting assembly is arranged between the limiting sliding block and the side cover.
Further, spacing subassembly includes:
the elastic piece I is arranged between the limiting sliding block and the side cover;
the limiting head is arranged on the limiting sliding block in a sliding mode, and an elastic part II is arranged between the limiting head and the limiting sliding block;
locate the inboard of limit cover and along a plurality of spacing grooves of spacing head direction of motion arrangement, it is spacing to the displacement motion of spacing slider through the cooperation of spacing head and spacing groove.
Furthermore, a sliding groove is formed in the inner surface of the side portion of the shell cover, the side cover is installed in the shell cover, and a sliding block which is installed in the sliding groove in a sliding mode is arranged on the side portion of the side cover.
Furthermore, a guide hole I is formed in the rotating arm, a guide bolt is matched with the guide hole I, and the rotating arm is movably connected to the fixing plate through the guide bolt;
the fixed plate is provided with at least two guiding limit columns, each guiding limit column is sleeved with an elastic piece III, and the rotating arm is provided with a guiding hole II, and the end part of the elastic piece III abuts against the guiding hole II.
Further, a plurality of guide members are arranged on the inner side of the shell cover, guide channels are formed among the guide members, and the rotating arms are slidably assembled in the guide channels.
Further, the synchronous revolute pair further comprises:
and the rotating shafts are in transmission connection with the rotating arms through gears, and the rotating shafts in the same pair of synchronous rotating pairs are in transmission connection through gear sets.
Further, the gear set comprises a main gear and auxiliary gears in meshing transmission with the main gear respectively, and the auxiliary gears are connected with the rotating shaft.
Further, the synchronous revolute pair further comprises:
the spiral guide sleeve is sleeved on the rotating shaft, slides along the central shaft and does not rotate relatively, and a spiral guide groove is formed in the spiral guide sleeve;
the rotating shaft is provided with a guide post, the guide post drives the spiral guide groove to perform displacement motion through the rotation of the rotating shaft, and the rotating shaft is sleeved with an IV elastic part which provides elastic damping for the displacement motion of the spiral guide sleeve.
Further, the mobile terminal hinge mechanism further includes:
each pair of synchronous revolute pairs is arranged on the hinge main body, and the rotating arms of the synchronous revolute pairs are rotatably assembled on the hinge main body.
The utility model discloses in still provide a mobile terminal, this mobile terminal includes: as described above, the hinge mechanism adapted to carry a display screen and rotatable, the mobile terminal further includes: the cover plates are respectively arranged in the shell covers, a flexible screen bearing surface is formed by the cover plates arranged on two sides of the central shaft, and a flexible display screen is arranged on the flexible screen bearing surface.
The utility model has the advantages that:
1. adopt the utility model provides a be applicable to carry on display screen and rotatable hinge mechanism and mobile terminal, it is under each pair synchronous revolute pair's effect, by synchronous revolute pair linkage fixed plate, 360 rotation within ranges are done to the side cover of fixed plate linkage both sides, and then can embody simultaneously on this hinge mechanism and roll over rotatable 360 outward, the user is relapse in the use, the action of expanding after 0 degrees to 360 can continuously see the flexible display, mobile terminal's functional configuration has been richened, and can be better satisfy the user to the demand of flexible display equipment.
Drawings
Fig. 1 is a schematic view of the overall structure of a rotatable hinge mechanism suitable for carrying a display screen in an unfolded state;
FIG. 2 is an enlarged partial schematic view of FIG. 1;
FIG. 3 is a schematic view of the moving part of the hinge mechanism of FIG. 1;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
FIG. 5 is a schematic structural view of a synchronous revolute pair portion of a rotatable hinge mechanism for carrying a display screen according to the present invention;
FIG. 6 is a partial schematic view of FIG. 5 from another perspective;
FIG. 7 is an enlarged partial schematic view of the portion of the rotating arm of FIG. 3;
FIG. 8 is a schematic view of the internal sub-assembly of FIG. 5;
FIG. 9 is a schematic view showing the internal structure of the synchronous revolute pair and the torque control portion of FIG. 5;
fig. 10 is a schematic view of an assembly structure between the side cover and the hinge main body in the rotatable hinge mechanism suitable for carrying a display screen provided by the present invention;
fig. 11 is a schematic diagram of an overall structure of the mobile terminal provided by the present invention;
the drawings are labeled as follows:
1-rotating arm, 2-shell cover, 3-side cover, 4-fixing plate, 5-guiding element, 6-limiting slide block, 7-limiting head, 8-contact block, 9-II elastic element, 10-I elastic element, 11-A part, 12-B1 part, 13-B2 part, 14-B3 part, 15-C part, 16-gear box, 17-guiding bolt, 18-II guiding hole, 19-III elastic element, 20-guiding limiting column, 21-rotating shaft, 22-B straight gear, 23-A straight gear, 24-main gear, 25-auxiliary gear, 26-IV elastic element, 27-spiral guiding sleeve, 28-guiding column, 29-cover plate and 30-synchronizing arm.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship that the utility model is usually placed when using, or the position or the positional relationship that the skilled person conventionally understands, or the position or the positional relationship that the utility model is usually placed when using, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases for a person of ordinary skill in the art; the drawings in the embodiments are provided to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Example 1
In the present embodiment, a rotatable hinge mechanism suitable for carrying a display screen is provided, and the hinge mechanism is a terminal hinge mechanism capable of rotating in both directions of 360 degrees, and after carrying a flexible display screen panel, the flexible display screen panel can be completely folded by using a central frame shaft as a reference, and after being completely unfolded, the unfolded outer side surface can be completely folded back in the opposite direction again.
As shown in fig. 1 and 3, the hinge mechanism of the mobile terminal mainly includes: the hinge comprises a hinge main body part, a synchronous revolute pair part, a torque control part and a cover body part.
Hinge body part
The hinge body portion serves as a central portion of the hinge mechanism, and the hinge body is provided as a symmetric body with its center of symmetry as a central axis. In practical application, each pair of synchronous rotating pairs is arranged on the hinge main body, and rotating arms of the synchronous rotating pairs are rotatably assembled on the hinge main body, so that the rotating arms can rotate relative to the hinge main body, and meanwhile, internal components can be protected under the action of the hinge main body.
In order to realize that the hinge body can be respectively installed on each component and realize the function of the hinge mechanism, one single side part of the hinge body is divided into at least an A part 11, a B1 part 12, a B2 part 13, a B3 part 14 and a C part 15, wherein the torque control part is carried by the A part 11, the B1 part 12, the B2 part 13 and the B3 part 14 jointly carry the synchronous revolute pair part, and the C part 15 is connected to the end part of the A part 11 and is used for connecting other accessories.
The specific arrangement of the internal structures of the a part 11, the B1 part 12, the B2 part 13, the B3 part 14 and the C part 15 is correspondingly illustrated by the following parts.
② synchronous rotating pair part
As shown in fig. 5 and 6, in the present embodiment, two pairs of synchronous revolute pairs are provided in the hinge mechanism, each pair of synchronous revolute pairs includes the revolute arms 1 respectively disposed on both sides of the same central shaft, and the two revolute arms 1 in the same pair of synchronous revolute pairs are not symmetrically disposed but are disposed in a staggered manner. Each rotating arm 1 in the same pair of synchronous rotating pairs synchronously rotates, and the rotating range of the single rotating arm 1 around the central shaft is not less than 180 degrees.
A rotating shaft 21 is rotatably arranged in the B1 part 12 and the B3 part 14 respectively, a gear box 16 is arranged in the B2 part 13, a main gear 24 is rotatably arranged in the gear box 16, a pinion 25 which is concentrically arranged with the rotating shaft 21 is assembled and connected at the end part of the rotating shaft 21, the pinion 25 is also arranged in the gear box 16, and the pinion 25 is in meshing transmission with the main gear 24. The main gear 24 and the auxiliary gear 25 are meshed and driven to form a gear set, and each rotating shaft 21 in the same pair of synchronous rotating pairs is in transmission connection through the gear set. In practical applications, the engagement between the secondary gear 25 and the primary gear 24 may be a bevel gear or a crown gear, which is not limited herein and may be selected according to practical situations.
As shown in fig. 8, an a spur gear 23 is provided at an end of the rotating arm 1, and a B spur gear 22 engaged with the a spur gear 23 is also provided on the rotating shaft 21, so that the rotating shaft 21 and the rotating arm 1 are in gear transmission connection. Because the rotating shaft 21 is arranged in the B1 part 12 and the B3 part 14, a position avoiding notch corresponding to the B spur gear 22 is formed in the B1 part 12 and the B3 part 14, the A spur gear 23 at the end part of the rotating arm 1 is rotatably assembled in the position avoiding notch and is mutually meshed and matched with the B spur gear 22, and meanwhile, under the design of the position avoiding notch, the rotating range of the rotating arm 1 around the central shaft is not less than 180 degrees, and under the action of gear transmission, the whole hinge mechanism can rotate at the same angle when rotating left and right.
Part for controlling torque
The torque control part is mainly used for adjusting the torque of the rotation amount, and the specific design is as follows:
the spiral guide sleeve 27 is sleeved on the rotating shaft 21, and the spiral guide sleeve 27 is slidably sleeved in the part a 11, so that the spiral guide sleeve 27 can slide along the central axis in the part a 11 and does not rotate relatively. In order to realize the torque of the rotation shaft 21 capable of adjusting the rotation amount, a spiral guide groove is formed in the spiral guide sleeve 27, and the spiral guide groove is a spiral groove hole.
As shown in fig. 9, a guide post 28 is provided in the radial direction of the rotating shaft 21, the guide post 28 is matched with the spiral guide groove and the guide post 28 can freely move along the spiral guide groove. The guide post 28 moves along the spiral guide groove through the rotation of the rotating shaft 21, the spiral guide groove is driven to move in a displacement mode in the moving process of the guide post 28, meanwhile, an IV elastic piece 26 which provides elastic damping for the displacement motion of the spiral guide sleeve 27 is sleeved on the rotating shaft 21, the spiral guide sleeve 27 can compress or stretch the IV elastic piece 26 in the displacement motion process of the spiral guide groove, and under the elastic acting force provided by the IV elastic piece 26, the torque of the rotating amount of the rotating shaft 21 in the rotating process is further adjusted.
Lid part
The cover body part is a main bearing part for folding or unfolding the flexible display screen in the movement process of the mobile terminal hinge mechanism, and is divided into: the shell cover 2, the side cover 3 and the fixing plate 4 are specifically designed as follows:
the fixed plates 4 are symmetrically arranged on two sides of the central shaft, and the rotating arms 1 positioned on the same side of the central shaft are respectively connected on the fixed plates 4 on the side in a sliding assembly mode. Specifically, be equipped with I guiding hole on rotor arm 1, I guiding hole is furnished with guide bolt 17 and through guide bolt 17 with rotor arm 1 swing joint on fixed plate 4 to the realization under guide bolt 17's effect, both can not alternate between rotor arm 1 and the fixed plate 4, can produce relative slip again.
In order to further improve the stability of the relative sliding between the rotating arm 1 and the fixing plate 4, as shown in fig. 7, two guiding and limiting posts 20 are arranged on the fixing plate 4, each guiding and limiting post 20 is sleeved with a iii-shaped elastic member 19, a ii-shaped guiding hole 18 is arranged on the rotating arm 1, each ii-shaped guiding hole 18 corresponds to each guiding and limiting post 20, and the end of the iii-shaped elastic member 19 is abutted against the ii-shaped guiding hole 18, so that on one hand, the rotating arm 1 can be prevented from shaking when sliding relative to the fixing plate 4; on the other hand, the damping generated by the sliding of the rotating arm 1 with respect to the fixed plate 4 can also be increased.
There are side covers 3 in the bilateral symmetry of this center pin, and side cover 3 is equipped with 4 and 4 side covers 3 and arranges respectively in each tip both sides of center pin (set to 4 symmetry about upper and lower for the center pin promptly), all is equipped with side cover 3 and fixed plate 4 at the both ends of fixed plate 4 and carries out the erection joint locking through the screw, makes 360 rotations through the side cover 3 of synchronous revolute pair linkage both sides. To further realize that the hinge mechanism can stop at certain specific angle positions when reciprocating, and then move back and forth beyond the stop position under the action of manpower. The design is as follows:
a limiting slide block 6 is arranged in each side cover 3 in a sliding manner, and the limiting slide block 6 is arranged in the side cover 3 in a sliding manner along the direction vertical to the central shaft; the bottom of the side cover 3 is provided with a slide hole along the sliding direction of the limit slide block 6, a screw of the shell cover 2 penetrates through the slide hole to be connected with the limit slide block 6, so that when the side cover 3 rotates, relative displacement motion can be performed between the side cover 3 and the limit slide block 6, and a limit component is arranged between the limit slide block 6 and the side cover 3. As shown in fig. 4, the stopper assembly includes: i elastic component 10, spacing head 7 and locate the inboard of boundary cap 3 and along a plurality of spacing grooves that spacing head 7 direction of motion arranged, locate between spacing slider 6 and boundary cap 3 with I elastic component 10, I elastic component 10 is equipped with two sections and two sections I elastic component 10 and arranges respectively in spacing slider 6's both sides to provide elastic force through I elastic component 10, in order to provide certain push-and-pull effect to spacing slider 6. The limiting head 7 is arranged on the limiting sliding block 6 in a sliding mode, an elastic part II 9 is arranged between the limiting head 7 and the limiting sliding block 6, and the limiting head 7 is driven to be clamped into the limiting groove under the action of the elastic part II 9; because the limiting head 7 can move along with the action linkage of the limiting slide block 6, the limiting head 7 is matched with the limiting groove to limit the displacement movement of the limiting slide block 6, and finally the side cover 3 rotates to stop at certain specific angle positions.
And the shell covers 2 are symmetrically arranged on two sides of the central shaft, the side parts of the shell covers 2 are in sliding assembly connection with the side covers 3, and the inner parts of the shell covers 2 are in sliding assembly connection with the rotating arms 1.
The assembly between the housing cover 2 and the edge cover 3 is designed as follows:
the inner surface of the side part of the shell cover 2 is provided with a sliding groove, and the side part of the side cover 3 is provided with a sliding block which is slidably arranged in the sliding groove, so that the two inner side parts of the shell cover 2 are respectively assembled with the side covers 3 at the two sides in a sliding way.
As shown in fig. 2, the fitting between the cover housing and the swivel arm 1 is designed as follows:
on the inside of the housing cover 2, a plurality of guides 5 are provided, in this embodiment 3 guides 5 are provided and guide channels are formed between the respective guides 5. Specifically, 2 guide members 5 are respectively slidably assembled on two sides of the rotating arm 1, the 2 guide members 5 are arranged to be L-shaped guide grooves, and the other 1 guide member 5 is slidably assembled with the middle of the rotating arm 1. After the rotating arm 1 is assembled in the guide channel in a sliding manner, under the action of the 3 guide pieces 5, the four directions of the rotating arm 1, namely the upper direction, the lower direction, the left direction and the right direction, are limited in a sliding manner.
When the cover 2 moves, the cover 2 is connected to the side cover 3 while reciprocating, the side cover 3 moves in conjunction with the fixed plate 4, and the rotating arm 1 of the fixed plate 4 rotates by an angle within 180 degrees around the rotating shaft 21 under the action of the gear set. Therefore, the housing covers 2 on both sides form a folding motion within a range of 360 ° in a left-right rotation.
In the process of the rotation movement of the side cover 3, in order to further improve the movement stability of the side cover 3, the side covers 3 are respectively in movable contact fit with corresponding parts of the hinge main body. In this embodiment, the end of the side cover 3 is provided with the arc-shaped contact block 8, and the side portions of the part a 11 and the part C15 corresponding to the side cover 3 are provided with the arc-shaped contact heads, so that when the side cover 3 rotates relative to the central shaft, the contact heads and the contact block 8 can be ensured to be matched with each other in real time, and the rotational stability and reliability of the whole structure are improved.
In order to further realize the synchronous rotation of the two symmetrically arranged side covers, as shown in fig. 10, the optimized design is as follows:
in the present embodiment, two pairs of the synchronizing arms 30 are provided, and each pair of the synchronizing arms 30 corresponds to the side covers 3 symmetrically disposed on both sides of the hinge body. In practical application, the pair of synchronization arms 30 includes two synchronization arms 30 symmetrically arranged on two sides of the central shaft and rotatably arranged on the hinge main body, specifically: two rotating shafts are arranged between the part C15 and the part A11, the two rotating shafts are symmetrically arranged relative to the central shaft, and the two synchronous arms 30 are respectively rotatably arranged on the two rotating shafts, so that the two synchronous arms 30 are symmetrically arranged relative to the central shaft of the hinge main body. Be equipped with the driving gear at the tip of rotor arm, under the effect of driving gear, can realize two the one end synchromesh transmission of lazytongs arm 30, and two the other end of lazytongs arm 30 is articulated with the sideshield 3 of symmetrical arrangement in this center pin both sides respectively, and is concrete, has seted up the assembly opening on the contact piece of sideshield 3, rotates in the assembly opening and connects lazytongs arm 30, and then when rotary motion need be made to both sides sideshield 3, under the constraint effect of lazytongs arm 30, can further ensure that the sideshield 3 of both sides does synchronous motion.
Example 2
On the basis of the hinge mechanism adapted to carry a display screen and being rotatable as provided in embodiment 1, as shown in fig. 11, in this embodiment, there is provided a mobile terminal in which a flexible screen carrying surface is constituted by cover plates 29 arranged on both sides of the central axis by fitting the cover plates 29 in the respective housing covers 2, and the flexible display screen is mounted by the flexible screen carrying surface.
After the whole assembly is completed, the flexible display screen is mounted on the flexible screen bearing surface formed by the cover plate 29, and is folded inwards and outwards by 360 degrees under the action of the hinge mechanism.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (12)
1. A rotatable hinge mechanism adapted to carry a display screen, the hinge mechanism comprising:
each pair of synchronous revolute pairs comprises rotary arms respectively arranged at two sides of a same central shaft, each rotary arm in the same pair of synchronous revolute pairs synchronously rotates, and the rotation range of the single rotary arm around the central shaft is not less than 180 degrees;
the fixed plates are symmetrically arranged on two sides of the central shaft, and the rotating arms positioned on the same side of the central shaft are respectively connected on the fixed plates on the side in a sliding assembly manner;
the side covers are symmetrically arranged on two sides of the central shaft, are assembled and connected with the fixed plate, and are linked to rotate for 360 degrees through the synchronous rotating pair.
2. A rotatable hinge mechanism adapted to carry a display screen according to claim 1, wherein the mobile terminal hinge mechanism further comprises:
and the shell covers are symmetrically arranged on two sides of the central shaft, the side parts of the shell covers are in sliding assembly connection with the side covers, and the inner parts of the shell covers are in sliding assembly connection with the rotating arms.
3. A rotatable hinge mechanism according to claim 2, wherein a limit slider is slidably disposed in the side cover and is slidably disposed in a direction perpendicular to the central axis; the limiting sliding block is connected with the shell cover, and a limiting assembly is arranged between the limiting sliding block and the side cover.
4. A rotatable hinge mechanism for a display screen according to claim 3, wherein the stop assembly comprises:
the elastic piece I is arranged between the limiting sliding block and the side cover;
the limiting head is arranged on the limiting sliding block in a sliding mode, and an elastic part II is arranged between the limiting head and the limiting sliding block;
locate the inboard of limit cover and along a plurality of spacing grooves of spacing head direction of motion arrangement, it is spacing to the displacement motion of spacing slider through the cooperation of spacing head and spacing groove.
5. A rotatable hinge mechanism according to claim 2, wherein the cover has a slot in an inner surface of a side portion thereof, the side cover is mounted in the cover, and the side portion of the side cover has a slider slidably mounted in the slot.
6. A rotatable hinge mechanism according to claim 1, wherein the rotary arm is provided with a guide hole I, the guide hole I is provided with a guide bolt, and the rotary arm is movably connected to the fixed plate through the guide bolt;
the fixed plate is provided with at least two guiding limit columns, each guiding limit column is sleeved with an elastic piece III, and the rotating arm is provided with a guiding hole II, and the end part of the elastic piece III abuts against the guiding hole II.
7. A rotatable hinge mechanism according to claim 2, wherein the housing cover is provided at an inner side thereof with a plurality of guide members, each of which forms a guide passage therebetween, and the rotary arm is slidably fitted in the guide passage.
8. A rotatable hinge mechanism for a display screen according to claim 1, wherein the synchronous revolute pair further comprises:
and the rotating shafts are in transmission connection with the rotating arms through gears, and the rotating shafts in the same pair of synchronous rotating pairs are in transmission connection through gear sets.
9. A rotatable hinge mechanism according to claim 8, wherein the gear unit comprises a main gear and sub-gears respectively geared to the main gear, the sub-gears being connected to the rotary shaft.
10. A rotatable hinge mechanism for a display screen according to claim 8, wherein the synchronous revolute pair further comprises:
the spiral guide sleeve is sleeved on the rotating shaft, slides along the central shaft and does not rotate relatively, and a spiral guide groove is formed in the spiral guide sleeve;
the rotating shaft is provided with a guide post, the guide post drives the spiral guide groove to perform displacement motion through the rotation of the rotating shaft, and the rotating shaft is sleeved with an IV elastic part which provides elastic damping for the displacement motion of the spiral guide sleeve.
11. A rotatable hinge mechanism according to claim 1, further comprising a hinge body, each pair of the synchronous rotating pairs being mounted on the hinge body, and the rotating arms of the pair being rotatably mounted on the hinge body.
12. A mobile terminal, characterized in that the mobile terminal comprises: as described above, the hinge mechanism adapted to carry a display screen and rotatable, the mobile terminal further includes: the cover plates are respectively arranged in the shell covers, a flexible screen bearing surface is formed by the cover plates arranged on two sides of the central shaft, and a flexible display screen is arranged on the flexible screen bearing surface.
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CN202120203685.5U CN214533998U (en) | 2021-01-25 | 2021-01-25 | Rotatable hinge mechanism suitable for carrying display screen and mobile terminal |
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CN202120203685.5U CN214533998U (en) | 2021-01-25 | 2021-01-25 | Rotatable hinge mechanism suitable for carrying display screen and mobile terminal |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114793251A (en) * | 2021-01-25 | 2022-07-26 | 成都拓米双都光电有限公司 | Hinge mechanism suitable for carrying display screen and capable of rotating by 360 degrees and mobile terminal |
WO2023093860A1 (en) * | 2021-11-29 | 2023-06-01 | 华为技术有限公司 | Rotary shaft mechanism and electronic apparatus |
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2021
- 2021-01-25 CN CN202120203685.5U patent/CN214533998U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114793251A (en) * | 2021-01-25 | 2022-07-26 | 成都拓米双都光电有限公司 | Hinge mechanism suitable for carrying display screen and capable of rotating by 360 degrees and mobile terminal |
WO2023093860A1 (en) * | 2021-11-29 | 2023-06-01 | 华为技术有限公司 | Rotary shaft mechanism and electronic apparatus |
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