CN218482875U

CN218482875U - Folding hinge and flexible screen mobile terminal of infolding

Info

Publication number: CN218482875U
Application number: CN202221251879.3U
Authority: CN
Inventors: 钱雪羽; 张亮
Original assignee: Hangzhou Amphenol Phoenix Telecom Parts Co Ltd
Current assignee: Hangzhou Amphenol Phoenix Telecom Parts Co Ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2023-02-14
Anticipated expiration: 2032-05-19

Abstract

The utility model provides a folding hinge and a folding flexible screen mobile terminal, which comprises a fixed seat, a left side telescopic connecting frame and a rotating shaft thereof, a right side telescopic connecting frame and a rotating shaft thereof, and a synchronous reverse rotation connecting mechanism, wherein the rotating shaft is rotatably arranged on the fixed seat, and the synchronous reverse rotation connecting mechanism is connected between the two rotating shafts so as to ensure that the left side telescopic connecting frame and the right side telescopic connecting frame synchronously reverse rotate; the utility model discloses setting up of the axis of rotation of casing about can effectively reducing highly adopting the real axle to rotate the push-and-pull rod and also can exercising the push-and-pull to left link and right link, can reduce the required precision to the relevant part of hinge, the motion is smooth and easy after the equipment, improves the yield of product.

Description

Folding hinge and flexible screen mobile terminal of infolding

Technical Field

The utility model relates to a hinge and application the flexible screen mobile terminal of infolding of hinge, the flexible screen mobile terminal of infolding can be mobile terminal such as cell-phone, notebook computer.

Background

The flexible screen mobile terminal of infolding, in order to dodge the kink shape of flexible screen when folding, can take certain structural measure. There is a measure to set up left link and the right link that can the horizontal slip in the hinge, controls the casing and is connected with left link and right link respectively, and makes flexible screen mobile terminal of infolding when folding closed, controls the casing and can slide to the direction of keeping away from flexible screen mobile terminal middle part of infolding, and the exhibition is at ordinary times, slides to the direction of rolling over flexible screen mobile terminal middle part.

In order to reduce the width of the frame, the flexible screen of the fold-in flexible screen mobile terminal covers the hinge, and the hinge adopting the sliding telescopic structure needs a virtual rotating shaft structure for the sliding rotating push-pull rod of the push-pull shell, but provides higher requirements for the precision of parts.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the problem that exists among the background art, provide a new hinge solution for real axle can be applied to the rotation push-and-pull rod of hinge improves the reliability and the yield of hinge. Therefore, the utility model adopts the following technical scheme:

a folding hinge comprises a fixed seat, a left telescopic connecting frame, a right telescopic connecting frame, a rotating shaft of the left telescopic connecting frame, a rotating shaft of the right telescopic connecting frame, and a synchronous reverse rotation connecting mechanism, wherein the rotating shafts are rotatably arranged on the fixed seat; the method is characterized in that:

the synchronous reverse rotation connecting mechanism comprises a left gear and a right gear which are positioned on two sides, and the left gear and the right gear are respectively fixed with a rotating shaft of the left telescopic connecting frame and a rotating shaft of the right telescopic connecting frame; the left gear and the right gear are helical gears with opposite rotation directions, the synchronous and reverse rotation connecting mechanism further comprises a sliding gear, toothed plates meshed with the left gear and the right gear are respectively arranged on the left side and the right side of the sliding gear, the toothed plates on the left side and the right side are fixedly connected through a connecting plate, the sliding gear is further provided with a vertical connecting arm in sliding connection with a rotating shaft of the left telescopic connecting frame and a rotating shaft of the right telescopic connecting frame, when the left telescopic connecting frame or the right telescopic connecting frame rotates, the sliding gear is driven to slide, so that the left telescopic connecting frame and the right telescopic connecting frame synchronously and reversely rotate, the toothed plates on the left side and the right side are respectively positioned below the left gear and the right gear, and the rotating shaft of the left telescopic connecting frame and the rotating shaft of the right telescopic connecting frame are arranged in a lowered position;

the sunken folding hinge is further provided with a left side push-pull connecting rod and a right side push-pull connecting rod, the inner ends of the left side push-pull connecting rod and the right side push-pull connecting rod are respectively rotatably connected with the fixing seat through a left side real shaft and a right side real shaft, the left side real shaft and the right side real shaft are respectively positioned above the left side telescopic connecting frame rotating shaft and the right side telescopic connecting frame rotating shaft in the height direction, and the outer ends of the left side push-pull connecting rod and the right side push-pull connecting rod are respectively rotatably connected with the left side telescopic connecting frame and the right side telescopic connecting frame.

On the basis of adopting above-mentioned technical scheme, the utility model discloses still can adopt following further technical scheme, or to these further technical scheme combined use:

the space between the left gear and the right gear above the connecting plate is left vacant.

The left push-pull connecting rod and the right push-pull connecting rod are positioned at the axial outer end part of the hinge.

The left side telescopic connection frame and the right side telescopic connection frame respectively comprise a first connection frame located on the inner side and a second connection frame located on the outer side, the first connection frame and the second connection frame are connected in a sliding mode, and the outer ends of the left side push-pull connecting rod and the right side push-pull connecting rod are respectively connected with the second connection frame on the same side in a rotating mode.

The hinge is provided with locking mechanisms at two sides;

the locking mechanism at each side comprises a fixed cam and a rotating cam, the fixed cam and the rotating cam are sleeved on the rotating shafts at the same side, and the rotating cam is combined on the first connecting frame at the same side and used as the connecting part of the first connecting frame and the rotating shafts at the same side to rotate together with the rotating shafts at the same side relative to the fixed cam; the fixed cam and the rotating cam are press-fitted by an elastic member to provide one or more locking positions that lock the state of the hinge when the hinge is unfolded open or further when folded closed.

The flexible screen mobile terminal of infolding that the hinge was used is provided with left side rotation backup pad and right side rotation backup pad in the both sides at the next-door neighbour middle part, first link in left side expansion joint frame and the right side expansion joint frame sets up guide part respectively, the back that the backup pad was rotated on the left side and the right side rotation backup pad sets up the guide way respectively, the backup pad is rotated on the left side and the right side rotation backup pad respectively with second link in left side expansion joint frame and the right side expansion joint frame rotates and connects, the guide way that backup pad and right side rotation backup pad were rotated on the left side respectively with the guide part sliding connection on the first link of homonymy.

The second purpose of the invention is to provide a folding flexible screen mobile terminal applying the folding hinge. Therefore, the invention adopts the following technical scheme:

flexible screen mobile terminal rolls over in, including left side casing and right side casing and be located the middle part casing between left side casing and the right side casing, it is provided with arbitrary foretell folding hinge its characterized in that, the fixing base sets up in the middle part casing or with middle part casing structure as an organic whole, the pinion rack is close to the bottom of middle part casing, left side casing and right side casing respectively with the flexible position of left side flexible link and the flexible position fixed connection of right side flexible link.

Because of the adoption of the technical scheme of the utility model, the utility model discloses can effectively reduce about the setting of the axis of rotation of casing highly to rotating the push-and-pull rod and adopt the real axle also to exercise the push-and-pull to left link and right link, can reduce the required precision to the relevant part of hinge, the motion is smooth and easy after the equipment, improves the yield of product.

Drawings

Fig. 1 is an exploded view of an embodiment of the hinge of the present invention.

Fig. 2 is the utility model discloses hinge embodiment at fold-in flexible screen mobile terminal exhibition schematic diagram at ordinary times.

Fig. 3 is a schematic diagram of the hinge according to the embodiment of the present invention when the folding flexible screen mobile terminal is at a certain opening angle between the unfolding and folding.

Fig. 4 is a schematic diagram of the hinge according to the embodiment of the present invention when the folding flexible screen mobile terminal is folded and closed.

Fig. 5 is a top view of the hinge according to the embodiment of the present invention when the folding flexible screen mobile terminal is unfolded.

Detailed Description

Reference is made to the accompanying drawings. The utility model provides a pair of folding hinge, including fixing base 100, left side flexible link and axis of rotation 10 and right side flexible link and axis of rotation 20, synchronous antiport connection mechanism, axis of

rotation

10, 20 rotationally set up on fixing base 100, in this embodiment, axis of

rotation

10, 20 respectively through the joint groove of tip and the rotatable joint of fixing base. The synchronous and reverse rotation connecting mechanism is connected between the two

rotating shafts

10 and 20, so that the left telescopic connecting frame and the right telescopic connecting frame can synchronously and reversely rotate. In the folding flexible screen mobile terminal, the fixing base 100 is fixed in the middle casing, or the middle casing is an integrated structure, and the folding flexible screen mobile terminal comprises a left casing, a right casing and a middle casing (not shown) between the left casing and the right casing. The left side casing and the right side casing are provided with a fixed supporting plate of the flexible screen respectively. Set up two in the flexible screen mobile terminal of infolding the utility model discloses a folding hinge sets up respectively at the both ends of middle part casing length direction (also the axial of hinge). Reference numeral 101 denotes a member for fixing and supporting the rotary shaft, and the

rotary shafts

10 and 20 are respectively inserted through two support holes of the member 101.

The synchronous reverse rotation connecting mechanism comprises a left gear 31 and a right gear 32 which are positioned on two sides, and the left gear 31 and the right gear 32 are respectively fixed with the rotating shaft 10 of the left telescopic connecting frame and the rotating shaft 20 of the right telescopic connecting frame. The left gear 31 and the right gear 32 are helical gears with opposite rotation directions, the synchronous reverse rotation connecting mechanism further comprises a sliding gear 33,

tooth plates

331 and 332 meshed with the left gear 31 and the right gear 32 are respectively arranged on the left side and the right side of the sliding gear 33, the

tooth plates

331 and 332 on the left side and the right side are fixedly connected through a connecting plate 330, the sliding gear 33 is further provided with a vertical connecting arm 333 which is in sliding connection with a rotating shaft 10 of the left telescopic connecting frame and a rotating shaft 20 of the right telescopic connecting frame, and therefore when the left telescopic connecting frame or the right telescopic connecting frame rotates, the sliding gear 33 is driven to slide axially, the left telescopic connecting frame 11 and the right telescopic connecting frame 12 rotate synchronously in a reverse direction, and the

tooth plates

331 and 332 on the left side and the right side are respectively located below the left gear 31 and the right gear 32. Thus, in the height direction, the intermediate gear of the conventional gear type synchronous reverse rotation connecting mechanism is omitted, and an intermediate gear shaft is not required to be arranged below the height of the rotating

shafts

10 and 20, so that the size of the synchronous reverse rotation connecting mechanism in the height direction can be greatly reduced, and the rotating shaft 10 of the left telescopic connecting frame and the rotating shaft 20 of the right telescopic connecting frame are arranged at the lowered positions; enabling the following push-pull links to be arranged in a solid axis. The

toothed plates

331 and 332 are arranged close to the bottom of the middle shell, and the space 30 between the left gear 31 and the right gear 32 above the connecting plate 330 can be left vacant, so that a larger yielding space is provided for the middle part of the flexible screen when the flexible screen is folded. Moreover, the synchronous reverse rotation connecting mechanism can be realized in any center distance design by only depending on the left gear 31 and the right gear 32, thereby avoiding the adoption of an intermediate gear and providing more space.

The sunken folding hinge is further provided with a left side push-pull connecting rod 5 and a right side push-pull connecting rod 6, the inner ends of the left side push-pull connecting rod 5 and the right side push-pull connecting rod 6 are respectively rotatably connected with the fixing seat 100 through a left side real shaft 50 and a right side real shaft 60, the left side real shaft 50 and the right side real shaft 60 are respectively positioned above the left side telescopic connecting frame rotating shaft 10 and the right side telescopic connecting frame rotating shaft 20 in the height direction, and the outer ends of the left side push-pull connecting rod 5 and the right side push-pull connecting rod 6 are respectively rotatably connected with the left side telescopic connecting frame and the right side telescopic connecting frame.

The left push-pull connecting rod 5 and the right push-pull connecting rod 6 are connected through a solid shaft, so that the left push-pull connecting rod and the right push-pull connecting rod can be thinner and can be positioned at the axial outer end part of the hinge, the structure is reliable, and the space in the middle shell can be saved.

The left side telescopic connecting frame and the right side telescopic connecting frame respectively comprise first connecting

frames

11 and 12 positioned on the inner side and second connecting

frames

21 and 22 positioned on the outer side, the first connecting

frames

11 and 12 and the second connecting

frames

21 and 22 are connected in a sliding mode through sliding rails 23 and sliding blocks 24, and the outer ends of the left side push-pull connecting rod 5 and the right side push-pull connecting rod 6 are respectively connected with the second connecting frames on the same side in a rotating mode. The left shell and the right shell of the fold-in flexible screen mobile terminal are respectively and fixedly connected with the second connecting

frames

21 and 22.

The hinge is provided with locking mechanisms on two sides, including a left locking mechanism and a right locking mechanism; the locking mechanism is used for locking the state of the hinge when the hinge is unfolded and folded and closed.

The locking mechanism on each side comprises a fixed cam 41 and a rotating cam 42, the fixed cam 41 and the rotating cam 42 are concentrically arranged and provided with holes for the rotating

shafts

10 and 20 of the telescopic connecting frames on the same side to pass through, and the rotating shafts 110 and 120 on each side and the rotating cam 42 on the same side synchronously rotate through flat fixed connection and can rotate relative to the fixed cam 41. The rotating cam 42 is coupled to the first connecting

frames

11, 21 on the same side and serves as a connecting portion between the first connecting

frames

11, 21 and the

rotating shafts

10, 20 on the same side. The fixed cams 41 of the locking mechanisms on both sides are connected together so as to be able to remain unrotatable. The fixed cam 41 and the rotating cam are press-fitted by an elastic member 43 to provide two locking positions, respectively locking the state of the hinge when the hinge is unfolded and folded closed, and the elastic member 43 is fitted over the rotating

shafts

10, 20. The left telescopic connecting frame and the right telescopic connecting frame can drive the rotating cam 42 to synchronously rotate when rotating, one of the fixed cam 41 and the rotating cam 42 can axially move to change the compression amount of the elastic part 43 through the control of the cam surface, so that the self-locking after the maximum angle is opened and the self-locking after the folding and closing are realized, and the torque can be provided for the hinge. If the cam surface is additionally provided with the locking position, hovering at a certain rotating angle can be realized.

Flexible screen mobile terminal of infolding that the hinge was used is provided with left side rotation backup pad 7 and right side rotation backup pad 8 in the both sides at next-door neighbour middle part,

first link

11, 21 in left side flexible link and the right side flexible link set up guide part 13 respectively, the back that the backup pad 8 was rotated in the left side 7 and the right side rotates sets up guide way 14 respectively, the backup pad is rotated in the left side 7 and the right side 8 of rotating is rotated with

second link

12, 22 respectively and is connected, the guide way 14 that the backup pad 8 was rotated in the left side 7 and the right side rotates backup pad 8 respectively with the first link 11 of homonymy, the guide part 13 sliding connection on 21. In the rotation process of the left telescopic connecting frame and the right telescopic connecting frame, namely, in the rotation opening and closing process of the flexible screen mobile terminal folded inwards, the lengths of the left telescopic connecting frame and the right telescopic connecting frame are changed, meanwhile, the left rotary supporting plate 7 and the right rotary supporting plate 8 are enabled to rotate under the matching of the guide grooves 14 and the guide parts 13, the flexible screen is rotated to incline to avoid the bending bulge part in the middle of the flexible screen when the flexible screen is closed, and the flexible screen is rotated and lifted to support the angle of the flexible screen when the flexible screen is unfolded.

The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art is in the field of the present invention, and all the changes or modifications are covered in the protection scope of the present invention.

It should be noted that the terms "comprising" and "having," and any variations thereof, in the description and claims of the present invention and in the above-described drawings are intended to cover non-exclusive inclusions. The terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can 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 invention can be understood according to specific situations by those of ordinary skill in the art.

In the description of the present invention, it should be understood that the terms "one end", "the other end", "the outside", "the inside", "the horizontal", "the end", "the length", "the outer end", "the left", "the right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "first" and "second" are also used for brevity in the description only and are not intended to indicate or imply relative importance.

Claims

1. A folding hinge comprises a fixed seat, a left telescopic connecting frame, a right telescopic connecting frame, a rotating shaft of the left telescopic connecting frame, a rotating shaft of the right telescopic connecting frame, and a synchronous reverse rotation connecting mechanism, wherein the rotating shafts are rotatably arranged on the fixed seat; the method is characterized in that:

the synchronous reverse rotation connecting mechanism comprises a left gear and a right gear which are positioned on two sides, and the left gear and the right gear are respectively fixed with a rotating shaft of the left telescopic connecting frame and a rotating shaft of the right telescopic connecting frame; the left gear and the right gear are helical gears with opposite rotation directions, the synchronous reverse rotation connecting mechanism further comprises a sliding gear, toothed plates meshed with the left gear and the right gear are arranged on the left side and the right side of the sliding gear respectively, the toothed plates on the left side and the right side are fixedly connected through a connecting plate, the sliding gear is further provided with a vertical connecting arm in sliding connection with a rotating shaft of the left telescopic connecting frame and a rotating shaft of the right telescopic connecting frame, when the left telescopic connecting frame or the right telescopic connecting frame rotates, the sliding gear is driven to slide, so that the left telescopic connecting frame and the right telescopic connecting frame synchronously rotate in a reverse direction, the toothed plates on the left side and the right side are located below the left gear and the right gear respectively, and the rotating shaft of the left telescopic connecting frame and the rotating shaft of the right telescopic connecting frame are arranged in a lowered position;

the foldable hinge is characterized in that the foldable hinge is further provided with a left side push-pull connecting rod and a right side push-pull connecting rod, the inner ends of the left side push-pull connecting rod and the right side push-pull connecting rod are respectively connected with the fixing seat in a rotating mode through a left side real shaft and a right side real shaft, the left side real shaft and the right side real shaft are respectively located above a left side telescopic connecting frame rotating shaft and a right side telescopic connecting frame rotating shaft in the height direction, and the outer ends of the left side push-pull connecting rod and the right side push-pull connecting rod are respectively connected with the left side telescopic connecting frame and the right side telescopic connecting frame in a rotating mode.

2. The folding hinge of claim 1, wherein a space between said left and right gears above said web is left vacant.

3. The folding hinge of claim 1, wherein said left and right push-pull links are located at axially outer ends of said hinge.

4. The folding hinge of claim 1, wherein said left and right telescopic links each comprise a first link at an inner side and a second link at an outer side, respectively, the first link and the second link being slidably connected, and outer ends of the left and right push-pull links being rotatably connected to the second link at the same side, respectively.

5. A folding hinge as claimed in claim 1, characterized in that said hinge is provided with a two-sided locking mechanism;

the locking mechanism on each side comprises a fixed cam and a rotating cam, the fixed cam and the rotating cam are sleeved on the rotating shafts on the same side, and the rotating cam is combined on the first connecting frame on the same side and used as a connecting part of the first connecting frame and the rotating shafts on the same side to rotate relative to the fixed cam together with the rotating shafts on the same side; the fixed cam and the rotating cam are press-fitted by elastic members to provide one or more locking positions that lock the state of the hinge when it is unfolded flat or further when it is folded closed.

6. The folding hinge according to claim 4, wherein the folding flexible screen mobile terminal to which the hinge is applied is provided with a left rotating support plate and a right rotating support plate at two sides adjacent to the middle part, the first connection frame of the left telescopic connection frame and the right telescopic connection frame is respectively provided with a guide part, the back surfaces of the left rotating support plate and the right rotating support plate are respectively provided with a guide groove, the left rotating support plate and the right rotating support plate are respectively rotatably connected with the second connection frame of the left telescopic connection frame and the right telescopic connection frame, and the guide grooves of the left rotating support plate and the right rotating support plate are respectively slidably connected with the guide parts on the first connection frame at the same side.

7. Flexible screen mobile terminal rolls over in, including left side casing and right side casing and be located the middle part casing between left side casing and the right side casing, its characterized in that it is provided with any of claims 1, 2, 3, 4, 5 or 6 folding hinge, the fixing base sets up in the middle part casing or middle part casing structure as an organic whole, the pinion rack is close to the bottom of middle part casing, left side casing and right side casing respectively with the flexible position of left side flexible link and the flexible position fixed connection of right side flexible link.