CN109495621A - A kind of fold mechanism and mobile terminal - Google Patents
A kind of fold mechanism and mobile terminal Download PDFInfo
- Publication number
- CN109495621A CN109495621A CN201811544084.XA CN201811544084A CN109495621A CN 109495621 A CN109495621 A CN 109495621A CN 201811544084 A CN201811544084 A CN 201811544084A CN 109495621 A CN109495621 A CN 109495621A
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- shell
- shaft
- fold mechanism
- arc
- connecting rod
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-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/021—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts using combined folding and rotation motions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The embodiment of the present application provides a kind of fold mechanism and mobile terminal, and fold mechanism includes first shell, second shell, third shell and runner assembly, and the first shell and the second shell are coaxially rotatablely connected with the shaft；The third shell is slidably matched with the second shell, and the third shell drives the second shell to rotate relative to the shaft；The fold mechanism includes flat and folded state, and the fold mechanism switches to folded state from flat, and the third shell slides laterally along the second shell to the direction close to the runner assembly.Since third shell can slide laterally along second shell, for supporting flexible screen, when fold mechanism switches between folded state and flat, third shell is synchronous with flexible screen to be slid laterally along second shell, it is able to maintain the distance between first shell and third shell to match with the length of flexible screen always, therefore can preferably match the flattening and folding of flexible screen.
Description
Technical field
The present invention relates to technical field of communication equipment more particularly to a kind of fold mechanisms and mobile terminal.
Background technique
Folding electronic device with flexible screen, such as folding cell phone, it is in recent years that ornamental screen is big and easy to carry
Research hotspot direction.One of technological difficulties of folding electronic device are: the matching of shaft and flexible screen, specifically, fold electricity
(during bending, outer layer Tensile, internal layer is squeezed material neutral line when sub- equipment flattening and folding, on its section
There are a neither tension, and the transition zone not being pressurized, stress is no better than zero, this transition zone is known as the neutral line of material)
Length is isometric, and therefore, the other structures of folding electronic device need to go matching folding and flat by Structure Improvement Design
Under flexible screen.
In the related technology, by complicated hinge design, so that the folding and exhibition of the structural member matching flexible screen of electronic equipment
Flat, but in this class formation, when folding, the outermost radius at shaft is consistently less than the neutral layer radius of flexible screen, flattening
When, the outermost layer length at shaft is consistently less than the length of the corresponding position of flexible screen, cause flexible screen it is corresponding with shaft in
Between be easy to warp at position, flexible screen is difficult to accomplish preferably to match with structural member.
Summary of the invention
In view of this, the embodiment of the present application, which is intended to provide one kind, matches preferable fold mechanism and movement with flexible screen eventually
End.
In order to achieve the above objectives, the first aspect of the embodiment of the present application provides a kind of fold mechanism, including first shell,
Two shells, runner assembly and third shell are stated first shell and the second shell and are coaxially turned with the runner assembly
Dynamic connection；The third shell is slidably matched with the second shell, and the third shell drives the second shell with respect to institute
State shaft rotation；The fold mechanism includes flat and folded state；The fold mechanism switches to folding from flat
Overlapping state, the third shell slide laterally along the second shell to the direction close to the runner assembly.
The second aspect of the embodiment of the present application provides a kind of mobile terminal, the folding including flexible screen and any of the above-described kind
Mechanism, the first shell and the flexible screen secure fit, the third shell and the flexible screen secure fit, described the
One shell and the second shell are contacted with the flexible screen；When the fold mechanism is in folded state, the runner assembly
It is contacted with the flexible screen.
The fold mechanism of the embodiment of the present application, since third shell can slide laterally along second shell, to support flexibility
For screen, when fold mechanism switches between folded state and flat, third shell is synchronous with flexible screen along second shell
It slides laterally, is able to maintain the distance between first shell and third shell and is matched always with the length of flexible screen, therefore energy
Enough flattenings and folding for preferably matching flexible screen.
Detailed description of the invention
Fig. 1 is the mobile terminal structure schematic diagram of the embodiment of the present application, wherein mobile terminal is in flat；
Fig. 2 is the structural schematic diagram at another visual angle of mobile terminal described in Fig. 1；
Fig. 3 is the perspective view of the explosion of mobile terminal shown in Fig. 1；
Fig. 4 is the structural schematic diagram of the fold mechanism of the embodiment of the present application；
Fig. 5 is the runner assembly structural schematic diagram of the embodiment of the present application；
Fig. 6 is the front view of runner assembly shown in Fig. 5；
Fig. 7 is the partial enlargement diagram in Fig. 2 at A；
Fig. 8 is the partial enlargement diagram in Fig. 4 at B；
Fig. 9 is the front view of mobile terminal shown in Fig. 2；
Figure 10 is the cross-sectional view in the direction C-C along Fig. 9；
Figure 11 is that the mobile terminal of the embodiment of the present application is in the structural schematic diagram of folded state；
Figure 12 is that the mobile terminal of the embodiment of the present application is in the cross-sectional view schematic diagram of folded state, wherein cutting plane warp
Cross first connecting rod and second connecting rod.
Description of symbols
First shell 10；First axle sleeve 101；First blind slot 10a；First arcwall face 10b；Second shell 20；Second axle sleeve
201；Second blind slot 20a；Stop surface 20b；Step surface 20c；Second arcwall face 20d；Interconnecting piece 21；Slide connecting part 22；Comb structure
23；Third shell 30；Enclosure body 31；Convex ribs 32；Plug division 33；Groove 33a；Positioning column 34；Runner assembly 40；Arc-shaped seat
41；Shaft 42；First shaft part 42 '；Second shaft part 42 "；Mounting portion 43；First connecting rod 44；Second connecting rod 45；First sliding part
46；Second sliding part 47；Tension portion 50；Spring 50 '；Flexible screen 70；Fold mechanism 1000
Specific embodiment
In the embodiment of the present application, " secure fit " both refers to the connection type of not relative displacement.At fold mechanism
In folded state, then mobile terminal is also at folded state；Fold mechanism is in flat, then mobile terminal is also at flattening
State.The axial direction of shaft and the axial direction of arc-shaped seat are identical.
The first aspect of the embodiment of the present application provides a kind of fold mechanism, is used to support flexible body, for ease of description, this reality
It applies in example, by taking flexible body is flexible screen as an example, i.e., fold mechanism is described so that fold mechanism is used to support flexible screen as an example,
It is understood that the fold mechanism of the embodiment of the present invention can also support other flexible bodies other than flexible screen.
Referring to Fig. 3, fold mechanism 1000 includes first shell 10, second shell 20, runner assembly 40 and third shell
Body 30；First shell 10 and second shell 20 are coaxially rotatablely connected with runner assembly 40, i.e. first shell 10 and second shell
The pivot center of body 20 is located along the same line, and first shell 10 and second shell 20 can be rotated relative to shaft 42；Third
Shell 30 is slidably matched with second shell 20, and third shell 30 drives second shell 20 to rotate relative to shaft 42；Fold mechanism
1000 include flat and folded state, and fold mechanism 1000 switches to folded state, 30 edge of third shell from flat
Second shell 20 slides laterally to the direction close to runner assembly 40, and fold mechanism 1000 switches to flattening shape from folded state
State, third shell 30 slides laterally along second shell 20 to the direction far from runner assembly, to match the folding of flexible screen 70.
Specifically, first shell 10 includes for the first area (figure does not indicate) with 70 secure fit of flexible screen, also
It is to say, first shell 10 and 70 secure fit of flexible screen, which can be any appropriate position in first shell 10
It sets；Third shell 30 includes for the second area (figure does not indicate) with 70 secure fit of flexible screen, i.e. third shell 30
With 70 secure fit of flexible screen, which can be any suitable location on third shell 30, i.e. first shell
The sum of the distance of center of rotation of 10 lateral length and third shell 30 to runner assembly 40 always will be with flexible screen 70
Length is consistent, since the length of flexible screen 70 is constant, when fold mechanism 1000 switches to folded state from flat, and
The arc length of corner is increased between one shell 10 and second shell 20, at this point, flexible screen 70 drives third shell 20 to close
The direction of runner assembly 40 moves, with reduce third shell 30 to runner assembly 40 center of rotation distance, to match flexibility
The length of screen 70.
The fold mechanism 1000 of the embodiment of the present application, since third shell 30 can slide laterally along second shell 20, with
For supporting flexible screen 70, when fold mechanism 1000 switches between folded state and flat, third shell 30 and flexible
70 synchronization of screen slides laterally along second shell 20, is able to maintain the distance between first shell 10 and third shell 30 always
It is matched with the length of flexible screen 70, therefore can preferably match the flattening and folding of flexible screen 70.
The fold mechanism 1000 of the embodiment of the present application further includes tension portion 50, tension portion 50 be set to second shell 20 and/
Or on third shell 30, to apply third shell 30 along the active force far from the sliding of 42 direction of shaft, it can so make the
State of three shells 30 always in tensioning flexible screen 70, avoids flexible screen 70 from warping.Tension portion 50, which can be, is located in second
Spring between shell 20 and third shell 30 is also possible to homopolar magnet, i.e., in second shell 20 and third shell 30
Magnet is set, applies above-mentioned active force to third shell 30 using the repulsive force between homopolar magnet.
Fig. 5 and Fig. 6 are please referred to, runner assembly 40 includes arc-shaped seat 41, shaft 42, mounting portion 43, first connecting rod 44, second
Connecting rod 45, the first sliding part 46 and the second sliding part 47.First shell 10 and second shell 20 coaxially with 42 turns of shaft
Dynamic connection.Arc-shaped seat 41 is axially extending along shaft 42, the width along axial width substantially with flexible screen 70 of arc-shaped seat 41
Quite, the outer surface of arc-shaped seat 41 is in arc-shaped, and the inside of arc-shaped seat 41 is formed as concave surface.
Fold mechanism 1000 is in flat, and part arc-shaped seat is located at the end of the close shaft side of first shell 10
And between the end of the close shaft side of second shell 20；Fold mechanism 1000 is in folded state, 10 He of first shell
Second shell 20 is respectively positioned on the concave surface side of arc-shaped seat 41.Specifically, when fold mechanism 1000 is used to support flexible screen 70,
Figure 12 is please referred to, fold mechanism 1000 is in folded state, and the outer surface of arc-shaped seat 41 is contacted with the fitting of flexible screen 70, i.e. arc
The outer surface of seat 41 forms the supporting surface of support flexible screen 70, to play circle to flexible screen 70 at the folded bent of flexible screen 70
Sliding supporting role, when fold mechanism 1000 is in flat, arc-shaped seat 41 is clamped in by first shell 10 and second shell 20
Centre, to reduce or cancel the contact of arc-shaped seat 41 and flexible screen 70, i.e., fold mechanism 1000 is in flat and folded state
Between when switching, the contact area of arc-shaped seat 41 and flexible screen 70 is variation, so that fold mechanism 1000 is at folded bent
Always flexible screen 70 can be preferably bonded.
In order to preferably play better supporting role to the flexible screen of flat 70, in the embodiment of the present application, please join
Figure 10 and Figure 12 are read, the one side edge of the close shaft 42 of first shell 10 is formed with to be adapted to the external surface shape of arc-shaped seat 41
The first arcwall face 10b, the one side edge of the close shaft 42 of second shell 20 is formed with the external surface shape with arc-shaped seat 41
Second arcwall face 20d of adaptation, when fold mechanism 1000 be in flat, first shell 10 towards flexible screen 70 outside
The outside towards flexible screen 70 of side, 41 outer surface of arc-shaped seat and second shell 20 can relatively continuously support flexible screen
70, avoid first shell 10 and arc-shaped seat 41 intersection and the intersection of second shell 20 and arc-shaped seat 41 formed compared with
Big vacancy, in order to avoid influence the experience sense that user touches flexible screen 70.If forming larger vacancy, user is touching flexible screen 70
When, the flexible screen 70 of the vacancy can be recessed inwardly, and influence user experience.Furthermore when fold mechanism 1000 is in folded state
When switching between flat, the first arcwall face 10b and the second arcwall face 20d can be bonded the appearance of arc-shaped seat 41 always
Face movement, can play preferable supporting role to flexible screen 70 always.
Shaft 42 is fixedly connected with arc-shaped seat 41.Please continue to refer to Fig. 5 and Fig. 6, shaft 42 is segmentation structure, specifically
Ground, shaft 42 include coaxial the first shaft part 42 ' and the second shaft part 42 ", and the first shaft part 42 ' and the second shaft part 42 " are set to arc
The axially opposite sides of shape seat 41.It, can be in arc-shaped seat 41 for the ease of the installation of the first shaft part 42 ' and the second shaft part 42 "
Structure appropriate is arranged in concave surface, for example, the structures such as boss, sleeve, as long as can be by the first shaft part 42 ' and the second axis
Section 42 " is firmly connected to the inside of arc-shaped seat 41.Correspondingly, referring to Fig. 3, the close shaft 42 of first shell 10
Side is formed with interval and two first coaxial axle sleeves 101；The side of the close shaft 42 of second shell 20 be formed with interval and
Two second coaxial axle sleeves 201；One of them the first axle sleeve 101 and one of them second axle sleeve 201 are sheathed on the first shaft part 42 '
On, wherein another second axle sleeve 201 and wherein another second axle sleeve 201 is sheathed on the second shaft part 42 ".In this way, can be by
One shell 10 and second shell 20 are coaxial and are rotationally connected in shaft 42.
Fig. 2 and Fig. 7 are please referred to, the first sliding part 46 is slidably connected with first shell 10, the both ends difference of first connecting rod 44
It is rotatablely connected with arc-shaped seat 41 and the first sliding part 46, specifically, the first end and arc-shaped seat 41 of first connecting rod 44 are rotatablely connected,
The second end opposite with first end of first connecting rod 44 and the first sliding part 46 are rotatablely connected, for example, be rotatablely connected by pin shaft,
When the rotation of 44 opposing arcuate seat 41 of first connecting rod, can make to produce relative rotation between the first sliding part 46 and first connecting rod 44,
So that the first sliding part 46 is produced relative sliding with first shell 10, vice versa, the first sliding part 46 and first shell
10 opposite sliding, can make 44 opposing arcuate seat 41 of first connecting rod rotate.Second sliding part 47 connects with the sliding of second shell 20
It connects.
The both ends of second connecting rod 45 are rotatablely connected with arc-shaped seat 41 and the second sliding part 47 respectively, specifically, second connecting rod
45 first end and arc-shaped seat 41 are rotatablely connected, the second end opposite with first end of second connecting rod 45 with 47 turns of the second sliding part
Dynamic connection, for example, being rotatablely connected by pin shaft.When the rotation of 45 opposing arcuate seat 41 of second connecting rod, the second sliding part 47 can be made
It produces relative rotation between second connecting rod 45, so that the second sliding part 47 is produced relative sliding with second shell 20, instead
, the opposite sliding with second shell 20 of the second sliding part 47 can make 45 opposing arcuate seat 41 of second connecting rod rotate.
It should be noted that first connecting rod 44 and second connecting rod 45 have different pivot centers.
Further, the first end of first connecting rod 44 and the transmission of the first end of second connecting rod 45 abut so that first connecting rod 44
It is rotated synchronously with second connecting rod 45, so that first shell 10 and second shell 20 rotate synchronously, so enables to fold mechanism
1000 are able to maintain a relatively-stationary state.Transmission abutting can be friction auxiliary driving and be also possible to gear drive.Work as biography
It is dynamic to abut as friction auxiliary driving, i.e. the first end friction and Extrusion of the first end of first connecting rod 44 and second connecting rod 45；When transmission is supported
When being connected in gear drive, i.e., it is formed with intermeshing tooth in the first end of the first end of first connecting rod 44 and second connecting rod 45,
The two forms gear drive, and gear-driven mode enables to be not in beat between first connecting rod 44 and second connecting rod 45
Sliding, transmission is relatively reliable, and stability is more preferable, and the required precision to the mounting distance between first connecting rod 44 and second connecting rod 45
It is not high.
Mounting portion 43 be set to arc-shaped seat 41 along axial approximately mid way between, mounting portion 43 is first connecting rod 44 and the
Two connecting rods 45 provide installation site.Specifically, in the present embodiment, the quantity of first connecting rod 44 is two, the number of second connecting rod 45
Amount is two；Two first connecting rods 44 are rotationally connected with mounting portion 43 along axial opposite sides respectively, and the one of the first sliding part 46
End is located between two first connecting rods 44；Two second connecting rods 45 are rotationally connected with mounting portion 43 along axial opposite sides respectively,
One end of second sliding part 47 is located between two second connecting rods 45.Such structure design, enables to 46 He of the first sliding part
The reliable transmission between transmission and the second sliding part 47 and second connecting rod 45 between first connecting rod 44 is higher, and first is sliding
The sliding of moving part 46 and the second sliding part 47 is steady, and the first sliding part 46 and the second sliding part 47 is avoided to block in sliding process
It is stagnant.
Referring to Fig. 7, the first sliding part 46 and the second sliding part 47 are substantially plate-like.The surface of first shell 10 is formed with
First blind slot 10a, i.e. the first blind slot 10a do not extend through first shell 10, the first blind slot 10a along the thickness direction of first shell 10
Also do not run through first shell 10 transversely.First sliding part 46 is slidingly arranged in the first blind slot 10a.The table of second shell 20
Face is formed with the second blind slot 20a, and second sliding part 47 is slidingly arranged in the second blind slot 20a.It is understood that
Be that the cooperation of blind slot and sliding part needs to meet: sliding part is free to slide in blind slot, and sliding part is normally sliding
It cannot be detached from the process from sliding slot.
To make fold mechanism 1000 have preferable folding effect, the surface of the first sliding part 46 is not higher than first shell
10 surface；The surface of second sliding part 47 is not higher than the surface of first shell 10；First connecting rod 44 and second connecting rod 45 configure
Are as follows: when fold mechanism 1000 is in folded state, the surface of first shell 10 and the surface fitting of second shell 20.Also
It is to say, the runner assembly 40 of the embodiment of the present application will not influence the folded state of fold mechanism 1000, not will increase fold mechanism
The size of 1000 folded through-thickness, is conducive to the thin design of fold mechanism 1000.
Fig. 3 and Fig. 9 are please referred to, second shell 20 includes interconnecting piece 21, slide connecting part 22 and comb structure 23, second shell
Body 20 is connect by interconnecting piece 21 with shaft 42, and the second blind slot 20a is formed on interconnecting piece 21.The thickness of interconnecting piece 21 is greater than
The thickness of slide connecting part 22 is formed with stop surface 20b in the intersection of interconnecting piece 21 and slide connecting part 22, and stop surface 20b is to right
The movement of third shell 30 is limited, i.e., third shell 30 is at best able to slide into and abut with stop surface 20b, prevents third shell
Body 30 slides excessively.Comb structure 23 extends from the end cross away from interconnecting piece 21 of slide connecting part 22, the thickness of comb structure 23
Degree is less than the thickness of the other positions of slide connecting part 22, therefore, is formed with step surface 20c (referring to figure in the root of comb structure 23
8).Further, the side towards flexible screen 70 of second shell 20 is concordant, that is to say, that interconnecting piece 21, slide connecting part 22 and comb
The side towards flexible screen 70 of toothing 23 is in the same plane, with support flexible screen 70 that can be smooth.
Referring to Fig. 3, third shell 30 includes enclosure body 31, plug division 33, positioning column 34 and protrudes from shell sheet
The convex ribs 32 at 31 edge of body.Convex ribs 32 are formed with sliding slot (not shown), and enclosure body 31 is to open towards the side of shaft 42
Side, slide connecting part 22 are slidably inserted into sliding slot from the open sides of enclosure body 31, so achievable second shell 20 and third shell
Body 30 is reliably slidably connected.
Plug division 33 is set to the side of the separate shaft 42 of enclosure body 31, and plug division 33 is corresponding with comb structure 23 to be set
It sets；Specifically, referring to Fig. 8, multiple groove 33a that the surface towards slide connecting part 22 of plug division 33 is formed a laterally extending,
Comb structure 23 and groove 33a are mating, and comb structure 23 and the mating of groove 33a also can be to second shells 20
Play the role of slide-and-guide with third shell 30, enhances the sliding reliability of second shell 20 and third shell 30.Further,
The surface away from 31 side of enclosure body of plug division 33 and second shell 20 deviate from 31 side flush of enclosure body, with
Flexible screen 70 can entirely be supported.
In the embodiment of the present application, no matter how many distance slided along second shell 20 for third shell 30, in 20 He of second shell
In the transverse direction of third shell 30, there are comb structure 23 and the cooperation of plug division 33 to make up second shell 20 and third shell always
The gap that body 30 is generated by sliding, support flexible screen 70 that always can be smooth prevent the inside of flexible screen 70 aerial.It will be adjacent
Spacing between groove 33a and the spacing between the comb teeth of comb structure 23 are controlled in smaller range, and user touches flexible screen
The structure change that can be not felt by substantially when 70 at this.
Referring to Fig. 3, positioning column 34 is laterally extended from the side towards shaft 42 of plug division 33, in the present embodiment,
Power portion 50 is formed as spring 50 ', and spring 50 ' is sheathed on positioning column 34, and spring 50 ' is located in side and the comb teeth of plug division 33
Between the root of structure 23, specifically, the end abutment of spring 50 ' is on step surface 20c.Positioning column 34 plays spring 50 '
To preferable guiding role, prevent spring 50 ' from laterally distorting, the embodiment of the present application takes full advantage of plug division 33 and comb structure
23, the sliding reliability between second shell 20 and third shell 30 was not only enhanced, but also provide suitable installation for spring 50 '
It is compact-sized so to may make that second shell 20 and third shell 30 can also be taken into account while with high reliability for space.
The second aspect of the embodiment of the present application provides a kind of mobile terminal, please refers to Fig. 1 and Fig. 3, and mobile terminal includes soft
Property screen 70 and any of the above-described kind of fold mechanism 1000 for being used to support flexible screen 70, first shell 10 matches with the fixation of flexible screen 70
It closes, the mode of secure fit is unlimited, such as clamping, bonding etc.；Third shell 30 and 70 secure fit of flexible screen, first shell 10
It is contacted with second shell 20 with flexible screen 70, i.e. first shell 10 and second shell 20 plays a supportive role to flexible screen 70.Work as folding
Folded mechanism 1000 switches to folded state from unfolded state, and flexible screen 70 drives third shell 30 to the side close to runner assembly 40
To sliding.
Due to flexible screen 70 respectively with 20 secure fit of first shell 10 and third shell, that is to say, that second shell 20
It can not be contacted always with flexible screen 70 in turn with 70 secure fit of flexible screen, first shell 10 and second shell 20 to flexible screen 70
It plays a supporting role, therefore, the labyrinths such as setting hinge is not needed at 20 rotation of first shell 10 and second shell, it can
Simplify the structure of runner assembly 40.
The mobile terminal of the embodiment of the present application includes but is not limited to: mobile phone, computer, wearable electronic equipment etc..
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (14)
1. a kind of fold mechanism characterized by comprising
First shell；
Second shell；
Runner assembly, the first shell and the second shell are coaxially rotatablely connected with the runner assembly；And
Third shell, the third shell are slidably matched with the second shell, and the third shell drives the second shell
It is rotated relative to the shaft；
The fold mechanism includes flat and folded state；The fold mechanism switches to folded state from flat,
The third shell slides laterally along the second shell to the direction close to the runner assembly.
2. fold mechanism according to claim 1, which is characterized in that the runner assembly includes shaft and arc-shaped seat, institute
First shell and the second shell is stated coaxially to be rotatablely connected with the shaft；Axial direction of the arc-shaped seat along the shaft
Extend, is formed as concave surface on the inside of the arc-shaped seat, the shaft is fixedly connected on the concave surface of the arc-shaped seat；Institute
It states fold mechanism and is in flat, the part arc-shaped seat is located at the end close to the shaft side of the first shell
And between the end of the close shaft side of the second shell；The fold mechanism is in folded state, and described
One shell and the second shell are respectively positioned on the concave surface side of the arc-shaped seat.
3. fold mechanism according to claim 2, which is characterized in that the side close to the shaft of the first shell
Edge is formed with the first arcwall face being adapted to the external surface shape of the arc-shaped seat, the close shaft of the second shell
One side edge be formed with the second arcwall face being adapted to the external surface shape of the arc-shaped seat.
4. fold mechanism according to claim 2, which is characterized in that the shaft includes coaxial the first shaft part and second
Shaft part, first shaft part and second shaft part are set to the axially opposite sides of the arc-shaped seat, the first shell
Interval is formed with close to the side of the shaft and two first coaxial axle sleeves；The one of the close shaft of the second shell
Side is formed with interval and two second coaxial axle sleeves；One of them described first axle sleeve and one of them described second axle sleeve are arranged
In on first shaft part, wherein another first axle sleeve and wherein another second axle sleeve is sheathed on second shaft part
On.
5. fold mechanism according to claim 2, which is characterized in that the runner assembly includes first connecting rod, the second company
Bar, the first sliding part and the second sliding part, the both ends of the first connecting rod are slided with the arc-shaped seat and described first respectively
Part rotation connection；The both ends of the second connecting rod are rotatablely connected with the arc-shaped seat and second sliding part respectively；Described
One connecting rod and the second connecting rod rotate synchronously.
6. fold mechanism according to claim 5, which is characterized in that the end of the first connecting rod and the second connecting rod
End between for friction auxiliary driving or gear drive.
7. fold mechanism according to claim 5, which is characterized in that the runner assembly includes being fixedly connected on the arc
The mounting portion of the concave surface of shape seat, the quantity of the first connecting rod are two, two first connecting rods respectively with the installation
The opposite sides along the shaft axial direction in portion is rotatablely connected, and one end of first sliding part is located in two first connecting rods
Between；The quantity of the second connecting rod is two, and two second connecting rods are axial along the shaft with the mounting portion respectively
Opposite sides rotation connection, one end of second sliding part is located between two second connecting rods.
8. fold mechanism according to claim 5, which is characterized in that the plate-like structure of the first sliding part, described
The inner surface of one shell is formed with the first blind slot, and first sliding part is slidingly arranged in first blind slot；Described
The plate-like structure of two sliding parts, the inner surface of the second shell are formed with the second blind slot, and second sliding part is slidably set
It is placed in second blind slot.
9. fold mechanism according to claim 8, which is characterized in that the surface of first sliding part is not higher than described the
The surface of one shell；The surface of second sliding part is not higher than the surface of the first shell；The first connecting rod and described
Second connecting rod is configured that when the fold mechanism is in folded state, the surface of the first shell and the second shell
Surface fitting.
10. fold mechanism according to claim 1, which is characterized in that the fold mechanism includes tension portion, the tension
Portion is set on the second shell and/or the third shell, to apply the third shell along far from the shaft side
To the active force of sliding.
11. fold mechanism according to claim 2, which is characterized in that the second shell includes interconnecting piece and slips
Portion, the second shell are connect by the interconnecting piece with the shaft；The intersection shape of the interconnecting piece and the slide connecting part
At there is stop surface, the third shell includes enclosure body and the convex ribs for protruding from the enclosure body edge, the convex ribs
It is formed with sliding slot, the enclosure body is open sides towards the side of the shaft, and the slide connecting part is from the enclosure body
Open sides are slidably inserted into the sliding slot.
12. fold mechanism according to claim 11, which is characterized in that the third shell includes plug division, described to insert
Socket part is set to the side far from the shaft of the enclosure body, the surface shape towards the slide connecting part of the plug division
At there is the multiple grooves being laterally extended；The second shell includes the end cross away from the interconnecting piece from the slide connecting part
The comb structure of extension, the comb structure and the groove are mating；The second shell deviates from the enclosure body
The flush away from the enclosure body side on the surface of side and the plug division.
13. fold mechanism according to claim 12, which is characterized in that the third shell includes positioning column, described fixed
Position column is laterally extended from the side towards the shaft of the plug division；The fold mechanism includes tension portion, the tension
Portion is spring, and the spring pocket is set on the positioning column, side and the comb teeth of the spring clip set on the plug division
Between the root of structure.
14. a kind of mobile terminal, which is characterized in that including flexible screen and the described in any item folding machines of claim 1-13
Structure, the first shell and the flexible screen secure fit, the third shell and the flexible screen secure fit, described first
Shell and the second shell are contacted with the flexible screen；When the fold mechanism is in folded state, the runner assembly with
The flexible screen contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544084.XA CN109495621B (en) | 2018-12-17 | 2018-12-17 | Folding mechanism and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544084.XA CN109495621B (en) | 2018-12-17 | 2018-12-17 | Folding mechanism and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
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| CN109495621A true CN109495621A (en) | 2019-03-19 |
| CN109495621B CN109495621B (en) | 2021-03-16 |
Family
ID=65710483
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811544084.XA Active CN109495621B (en) | 2018-12-17 | 2018-12-17 | Folding mechanism and mobile terminal |
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| CN (1) | CN109495621B (en) |
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| US11937390B2 (en) | 2021-11-22 | 2024-03-19 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Foldable display device |
| WO2023225872A1 (en) * | 2022-05-24 | 2023-11-30 | 北京小米移动软件有限公司 | Folding mechanism, display module, and electronic device |
| WO2024140396A1 (en) * | 2022-12-26 | 2024-07-04 | 维沃移动通信有限公司 | Electronic device |
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| CN109495621B (en) | 2021-03-16 |
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