CN113838376B - Mobile device with stretching type variable screen width - Google Patents
Mobile device with stretching type variable screen width Download PDFInfo
- Publication number
- CN113838376B CN113838376B CN202111026456.1A CN202111026456A CN113838376B CN 113838376 B CN113838376 B CN 113838376B CN 202111026456 A CN202111026456 A CN 202111026456A CN 113838376 B CN113838376 B CN 113838376B
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- shell
- longitudinal
- fixed
- stretching
- screen
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- 230000008859 change Effects 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims description 39
- 230000001360 synchronised effect Effects 0.000 claims description 29
- 239000000758 substrate Substances 0.000 claims description 13
- 230000007306 turnover Effects 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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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
- H04M1/026—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
Abstract
The utility model provides a mobile device of variable screen width of tensile, includes flexible screen, tensile subassembly and installs tensile subassembly and flexible screen's casing, the casing includes the first tensile shell and the second tensile shell of horizontal mutually supporting, tensile subassembly is including being fixed in respectively first support piece and the second support piece on first tensile shell and the second tensile shell, flexible screen is including being fixed in the stiff end and the elasticity of the horizontal outside of second tensile shell are fixed in tensile subassembly with movable end between the casing, first tensile shell with the second tensile shell moves and drives in horizontal direction first support piece with the second support piece opens and shuts, simultaneously, makes the movable end of flexible screen changes the width of the flexible screen of lateral position change tensile subassembly upside. The screen width can be stably adjusted and the screen can be protected.
Description
Technical Field
The present disclosure relates to the field of communications, and more particularly, to a mobile device with a stretching type variable screen width.
Background
Currently, the variable screen width technology has begun to be applied to the mobile communication field, a large number of folding screen mobile phones appear on the market, the folding screen mobile phones are generally realized by adopting a hinge mechanism, the hinge mechanism needs to ensure a certain radian under the screen bending state, and needs to keep certain compensation between the inside and the outside at the screen bending position, so that the screen is prevented from being damaged. In order to ensure the technical requirements, the hinge is provided with a plurality of devices for realizing synchronous stabilization devices and the like, so that the components are quite a lot, the cost is quite high, and the stability is poorer than that of the existing invariable screen mobile phone.
Meanwhile, the complexity of the folding hinge causes great problems in large-scale mass production, excessive movable and rotary components restrict the stability of products, so that a mobile device with a variable screen width starts to appear in a stretching structure, such as a mobile device with a variable screen width disclosed in patent application 201110062641.6 of the people's republic of China, one end of the screen is fixed, and the other end of the screen is wound and curled to realize stretching of the screen. And the technical scheme only discloses a concept of stretching the screen, and a specific solution is not provided for how to ensure the support, stretching synchronization and the like of the flexible screen.
Disclosure of Invention
In view of this, there is a need to provide a structurally stable, stretchable, variable-screen-width mobile device.
In order to solve the technical problem, the application provides a mobile device with a stretching type variable screen width, which comprises a flexible screen, a stretching assembly and a shell provided with the stretching assembly and the flexible screen, wherein the shell comprises a first stretching shell and a second stretching shell which are transversely matched with each other, the stretching assembly comprises a first supporting piece and a second supporting piece which are respectively fixed on the first stretching shell and the second stretching shell, the flexible screen comprises a fixed end which is fixed on the transverse outer side of the second stretching shell and a movable end which is elastically fixed between the stretching assembly and the shell, the first stretching shell and the second stretching shell move in the transverse direction and drive the first supporting piece and the second supporting piece to open and close, and meanwhile, the movable end of the flexible screen is caused to change the transverse position so as to change the width of the flexible screen on the upper side of the stretching assembly.
Preferably, the first stretching shell comprises a first shell, a first transverse outer wall extending upwards from a first transverse side of the first shell, and a pair of first longitudinal walls extending upwards from both longitudinal ends of the first shell, and the second stretching shell comprises a second shell, a second transverse outer wall extending upwards from a second transverse side of the second shell, and a pair of second longitudinal walls extending upwards from both longitudinal sides of the second shell; the first shell and one side adjacent to the second shell are all open to form an opening, the fixed end of the flexible screen is fixed on the second transverse outer wall of the second stretching shell, and the second stretching shell can at least partially move in the first stretching shell along the transverse direction according to a preset track.
Preferably, the first stretching shell and the second stretching shell define a cavity, the stretching assembly and the flexible screen are installed in the cavity, the pair of first longitudinal walls comprise longitudinal walls, turnover parts formed by inwards and oppositely bending from the top of the longitudinal walls, a containing groove is hollowed out at one side of the longitudinal walls, which is close to the second stretching shell, and a fixing part formed at one side of the longitudinal walls, which is close to the first transverse outer wall; the pair of second longitudinal walls respectively comprise a received part inserted into the receiving groove of the first longitudinal wall and an exposed part positioned at the transverse outer side of the received part, and the received part is received in the receiving groove and at least partially overlaps the first stretching shell and the second stretching shell.
Preferably, the flexible screen further comprises a screen body located at the fixed end and the movable end, the screen body comprises an upper screen body exposed on the upper surface of the stretching assembly and a lower screen body reversely bent and extended to the lower side of the upper screen body, the movable end is located at the free end of the lower screen body, the movable end is connected to an elastic moving piece, and the elastic moving piece is located between the stretching assembly and the shell and can be stretched along the transverse direction.
Preferably, the elastic moving member is connected by at least one pair of springs fixed in the first or second stretching case in the longitudinal direction, and the movable end is fixed to the elastic moving member.
Preferably, the stretching assembly further comprises a substrate fixed in the first stretching shell, a synchronous motor fixed on the substrate and a rotating shaft, the first supporting piece comprises a first supporting plate body and a plurality of sliding grooves formed by stamping in the transverse direction of the first supporting plate body, the second supporting piece comprises a second supporting plate body, a plurality of matching strips formed by stamping and fixing holes penetrating through the ends of the matching strips, the matching strips are movably limited in the sliding grooves through rivets, the second supporting piece is connected with the synchronous motor, the second supporting piece is fixed with the second stretching shell, and the first supporting piece is fixed on the substrate.
Preferably, the substrate comprises a base body, a transverse side wall formed by bending upwards from one transverse side of the base body, a pair of longitudinal side walls formed by bending upwards from two longitudinal sides of the base body, and bending fixing ends formed by bending outwards from two ends of the transverse side walls, the two longitudinal ends of the rotating shaft are respectively fixed on the pair of bending fixing ends, the first supporting piece further comprises a rotating shaft attaching part formed by bending outwards from the transverse outer side of the first supporting plate body, the outer surface of the rotating shaft comprises a first part and a second part, the attaching part of the rotating shaft is attached to the outer surface of the first part, and the attaching part of the rotating shaft is coplanar with the second part.
Preferably, the flexible screen further comprises an arc-shaped bent part positioned at the joint of the upper screen body and the lower screen body, and the arc-shaped bent part is attached and supported outside the second part of the outer surface of the rotating shaft attaching part and the outer surface of the rotating shaft.
Preferably, the first support piece further comprises a plurality of concave parts formed by punching downwards along the first support plate body and a plurality of convex parts which are spaced from the concave parts, and the sliding groove is arranged in the concave parts along the transverse direction; the second support piece further comprises a transverse outer cambered surface formed by bending the transverse outer side of the second support plate body, a longitudinal folding wall formed by bending the longitudinal two ends of the second support plate body downwards and a cutting hole for spacing a plurality of matching strips, the matching strips are contained in the concave parts, the cutting hole is away from the protruding parts, and the first support plate body and the upper surface of the second support plate body are coplanar.
Preferably, the recess includes a wider recess away from the first support and a narrower recess closer to the first support, the protrusion includes a narrower protrusion on a longitudinal side of the wider recess and a wider protrusion on a longitudinal side of the narrower recess, and the engagement bar includes a wider engagement bar in the wider recess and a narrower engagement bar moving from the narrower recess, the width of the wider engagement bar being greater than the width of the narrower recess to limit.
Preferably, a pair of transverse holes are respectively formed in two longitudinal sides of the base body, the elastic moving piece comprises a connecting sheet body located at the lower side of the base body and a coil spring connecting portion bent upwards from the connecting sheet body to extend to the upper side of the transverse holes, a coil spring fixing portion is formed in the position, corresponding to the position of the coil spring connecting portion, of the transverse inner side of the base body in a bent upwards mode, one coil spring is wound and fixed in the coil spring fixing portion, the coil spring comprises a stretching end connected to the coil spring connecting portion of the elastic moving piece, and the movable end of the flexible screen is fixed on the connecting sheet body.
Preferably, the two longitudinal ends of the base body are located at the outer sides of the transverse holes and are torn upwards to form limiting edges, the two longitudinal ends of the connecting sheet body of the elastic moving piece are folded to form U-shaped folding parts, sliding grooves are formed in the U-shaped folding parts, and the sliding grooves are clamped into the limiting edges to slide outwards so as to stabilize the moving track of the elastic moving piece.
Preferably, the lower side of the second supporting piece is also fixed with a limiting piece, the limiting piece comprises a fixed plate body attached to the lower side of the second supporting plate body, limiting parts formed by extending from two longitudinal sides of the fixed plate body towards the direction of the first supporting piece, the second supporting piece is matched with the base plate through the limiting piece, a U-shaped turnover part and a sliding groove formed in the U-shaped turnover part are formed in the longitudinal side wall of the base plate, limiting edges matched with the sliding groove are arranged at two longitudinal ends of the limiting parts to stabilize the mutual moving track of the limiting piece and the base plate, stress connecting ends are formed by bending corresponding to the position of the synchronous motor, and the second supporting piece is fixedly connected with the synchronous motor through the stress connecting ends.
The utility model provides a mobile device of changeable screen width of tensile type will through the first, second tensile shell and first, the second support piece of horizontal tensile, will the horizontal both sides of screen body set up stiff end, movable end respectively, will the stiff end is fixed in the second tensile shell outside and is motionless, set up one in the casing again and fix the elasticity moving part of movable end changes the horizontal position of movable end, and then change tensile subassembly upside screen's width, stable in structure realizes tensile structure's screen width is adjustable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a front perspective combination view of a mobile device of variable screen width in a contracted state;
FIG. 2 is a rear perspective combination view of a mobile device of variable screen width of the present application in a contracted state;
FIG. 3 is a front perspective combination view of a mobile device of variable screen width of the present application in an extended state;
FIG. 4 is a rear perspective combination view of a mobile device of variable screen width of the present application in an extended state;
FIG. 5 is an exploded perspective view of a mobile device of the present application with variable screen width;
FIG. 6 is a longitudinal view of a flexible screen of variable screen width of the present application;
FIG. 7 is a perspective combined view of a variable screen width mobile device of the present application with a flexible screen removed;
FIG. 8 is an exploded perspective view of a tension assembly and flexible screen of a mobile device of variable screen width of the present application;
FIG. 9 is an exploded perspective view of a support assembly of the stretching assembly of the present application;
FIG. 10 is a rear elevational view of a second support member of the support assembly of the present application;
FIG. 11 is a perspective view of the stretch assembly of the present application in an expanded state;
FIG. 12 is a perspective view of the stretch assembly of the present application with the second support removed;
FIG. 13 is a reverse side view of FIG. 12;
FIG. 14 is a perspective view and partial enlarged view of a base plate of the stretching assembly of the present application;
FIG. 15 is a perspective view of the resilient displacement member of the stretching assembly of the present application;
FIG. 16 is a perspective view of the tension assembly of the present application with the support assembly removed and a partial enlarged view thereof;
fig. 17 is a perspective combined view of the synchronous motor of the present application.
Reference numerals illustrate:
a flexible screen-10; a screen body-11; a fixed end-12; a movable end-13; an arc-shaped bent part-14; a shell-20; a first stretch shell-21; a second stretch shell-22; a first housing-211; a first cavity-212; a first lateral outer wall-213; a first longitudinal wall-214; longitudinal walls-2141; a turnup-2142; an accommodating groove-2143; a fixing portion-2144; fixing holes-2145, 2244, 313, 324, 3253; openings-215, 225; a second housing-221; a second cavity-222; a second lateral outer wall-223; a second longitudinal wall-224; the accommodated part-2241; an exposed portion-2242; decorative strips-216, 226; a stretching assembly-A; a support assembly-30; a first support member-31; a first support plate body-311; a spindle attaching portion-312; recess-314; wider depressions-3141; narrower recess-3142; slide groove-3143; a boss-315; narrower boss-3151; wider boss-3152; a second support member 32; a second support plate body-321; a lateral outboard camber-322; longitudinal folded wall-323; mating strip-325; narrower mating strip-3251; wider mating strip-3252; cut-out hole-326; wider cut-out-3261; narrower cut-out-3262; a limiting member-33; a fixed plate body-331; a limit part-332; limit edges-333, 47; a recess-334; limiting holes-335; force connection end-336; limit column-337; a base plate-40; a base body-41; lateral side walls-42; a stator-422; bending the fixed end-423; card slot-424; longitudinal side walls-43; u-shaped folds-432, 72; chute member-433,73; chute-434,731; a transverse bore-44; a coil spring fixing portion-45; coil spring-46; stretch end-461; a rotating shaft-50; a shaft core-51; a bearing-52; rotating the housing-53; a synchronous motor-60; a bracket-61; a bracket body-611; bracket end wall-612,613; riveting holes-614; a screw rod-62; a slider-63; block-631; an epitaxial connection-632; a gear box-64; a motor-65; a motor stator-66; a first fixing piece-661; a second fixing piece-662; a stabilizer bar-67; an elastic moving member-70; a connecting sheet-71; coil spring connection-74.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application.
As shown in fig. 1, the present application uses the Y direction as the front-rear direction, the X direction as the left-right direction, and the Z direction as the vertical direction.
Referring to fig. 1 to 6, a mobile device with variable screen width of the present application includes a stretchable casing 20, a stretching assembly a assembled in the casing 20, and a flexible screen 10 fixed on the stretching assembly a and the casing 20.
Referring to fig. 6 with an emphasis, the flexible screen 10 is a display screen, or a combination of a display screen and flexible glass. The flexible screen 10 includes a screen body 11, a fixed end 12 and a movable end 13 formed on both lateral sides of the screen body 11. The screen 11 includes an upper screen and a lower screen, and the projection of the lower screen in the vertical direction is completely covered by the projection of the upper screen. The upper screen body and the lower screen body are separated by an arc-shaped bent part 14, the position of the arc-shaped bent part 14 is variable in the transverse direction, the relative width of the upper screen body and the lower screen body is regulated, specifically, the lower screen body can be partially converted into an upper screen body so as to widen the upper screen body, and the upper screen body can also be partially converted into a lower screen body so as to narrow the upper screen body. The upper screen body is used as a display screen to display signals such as images, and the lower screen body is hidden in the shell and cannot be seen or displayed.
The fixed end 12 is fixed to one lateral side of the housing 20, and the movable end 13 is elastically connected and fixed to an object having a certain elasticity, and the position of the movable end is adjusted by an elastic force while being varied in the arc-shaped bent portion 14. The fixed end 12 is curved to achieve a full screen mode.
In a specific implementation, the upper surface and the lower surface of the flexible screen 10 are both provided with a protective film or a flexible glass material to protect the flexible screen 10 from being damaged in the stretching process.
Referring to fig. 3 and 5 with emphasis, the housing 20 includes a first stretching shell 21 and a second stretching shell 22 that stretches in cooperation with the first stretching shell 21. The first stretching shell 21 includes a first housing 211, a first lateral outer wall 213 formed by extending upward from a first lateral side of the first housing 211, a pair of first longitudinal walls 214 formed by extending upward from both longitudinal ends of the first housing 211, and an opening 215 formed at a second lateral side of the first housing 211. The first lateral outer wall 213 has a height that is lower than the height of the pair of first longitudinal walls 214. The first housing 211, the first lateral outer wall 213, and a pair of first longitudinal walls 214 enclose a first cavity 212.
The pair of first longitudinal walls 214 includes a longitudinal wall 2141, a folded portion 2142 formed by relatively bending inwards from the top of the longitudinal wall 2141, a receiving slot 2143 formed by hollowing out the longitudinal wall 2141 toward the second stretching shell 22, and a fixing portion 2144 formed on the side of the longitudinal wall 2141 near the first lateral outer wall 213. The fixing portion 2144 is formed with a fixing hole 2145 along a longitudinal direction, and a concave surface is formed on an outer side surface of the longitudinal wall 2141 so that the fixing hole 2145 penetrates the longitudinal wall 2141, and the concave surface is provided with a decorative strip 216 for closing the concave surface.
The second stretching shell 22 includes a second shell 221, a second lateral outer wall 223 extending upward from a second lateral side of the second shell 221, a pair of second longitudinal walls 224 extending upward from two longitudinal sides of the second shell 221, an opening 225 formed at a first lateral side of the second shell 221, and a second cavity 222 defined by the second shell 221, the second lateral outer wall 223 and the pair of second longitudinal walls 224.
The second longitudinal wall 224 includes a received portion 2241 inserted into the receiving groove 2143 of the first longitudinal wall 214 and an exposed portion 2242 located laterally outward of the received portion 2241. The distance between the outer sides of the pair of received portions 2241 is not greater than the distance between the inner sides of the pair of receiving grooves 2143 so that the received portions 2241 are inserted into the receiving grooves 2143. The exposed portion 2242 substantially conforms to the outer diameter of the first longitudinal wall 214 and, in the inserted condition, conforms to one another. A plurality of fixing holes 2244 are formed in the pair of second longitudinal walls 224, and a recess structure is formed on the outer side surface of the second longitudinal walls 224, and the recess structure is covered with the decorative strip 226. The decorative strips 216, 226 function to cover the securing holes 2145, 2244 to cover and conceal the securing holes and fasteners therein.
The receiving groove 2143 of the first longitudinal wall 214 has a U-shaped structure, and can limit the received portion 2241 of the second longitudinal wall 224 to be movable and stretchable only in the lateral direction.
With continued reference to fig. 7 to 16, the stretching assembly a includes a base plate 40 with two longitudinal sides fixed on the first stretching shell 21, a rotating shaft 50 mounted on one side of the base plate 40, a supporting assembly 30, an elastic moving member 70 and a synchronous motor 60.
Referring to fig. 14 and 16, the substrate 40 is made by a metal stamping process, and the substrate 40 includes a base 41, a lateral sidewall 42 formed by bending upward from one lateral side of the base 41, and a longitudinal sidewall 43 formed by bending upward from two longitudinal sides of the base 41. The two ends of the longitudinal direction of the lateral side wall 42 are bent outwards to form bending fixing ends 423, the top of the lateral side wall 42 is bent inwards along the lateral direction to form a fixing piece 422, and a clamping groove 424 is formed in the lateral side wall 42 in a penetrating manner. A space for assembling the rotating shaft 50 is formed between the pair of bending fixing ends 423, and two ends of the shaft core of the rotating shaft 50 are respectively fixed on the bending fixing ends 423. The rotating shaft 50 comprises a shaft core 51, a bearing 52 sleeved outside the shaft core 51 and a rotating shell 53 sleeved outside the bearing. The rotating housing 53 includes two portions 531,532 having different outer diameters, and the second portion 532 has an outer diameter greater than that of the first portion 531.
The longitudinal side wall 43 comprises a U-shaped fold 432 in the middle, a slide groove 433 formed in the U-shaped fold, and a slide groove 434 formed in the slide groove 433 in the transverse direction. The side of the longitudinal side wall 43 near the rotating shaft 50 is formed with a fixing hole 431 for fixing to the first stretching shell 21, the base plate 40 is riveted and fixed with a fixing hole 2145 on the first longitudinal wall 214 of the first stretching shell 21 through the fixing hole 431, and after the riveting is completed, the decorative strip 216 covers the outer side of the first longitudinal wall 214 to cover the rivet.
A pair of transverse holes 44 are formed in the two longitudinal sides of the base 41 along the transverse direction, and a limit edge 47 is formed by tearing the base 41 upwards between the transverse holes 44 and the longitudinal side wall 43. The lateral hole 44 is bent away from the rotating shaft 50 to form a coil spring fixing portion 45, the coil spring fixing portion 45 is in a U-shaped structure and is internally fixed with a coil spring 46, the coil spring 46 is wound in the coil spring fixing portion 45 through a pin, and the coil spring 46 comprises a stretching end 461 extending towards one side of the lateral hole 44.
An adapter piece 34 is fixed on the fixed piece 422 of the lateral side wall 42 of the base plate 40, and the adapter piece 34 is locked on the fixed piece 422 through rivets. The fixing piece 422 is provided with a hook which is buckled in the clamping groove 424.
Referring to fig. 12, 13, 15 and 16, the elastic moving member 70 includes a connecting sheet 71, a U-shaped folded portion 72 formed by folding and curling at both ends of the connecting sheet 71, a slide slot member 73 formed in the U-shaped folded portion 72, a slide slot 731 formed in the slide slot member 73, and a coil spring connecting portion 74 formed by bending from the connecting sheet 71 toward the pair of coil springs 46. The tension end 461 of the coil spring 46 is fixed to the coil spring connecting portion 74.
A pair of synchronous motors 60 are fixed between the pair of transverse holes 44 by rivets or screws, and the distance between the pair of synchronous motors 60 is greater than half the longitudinal length of the base 41. The synchronous motor 60 is fixed on the base 41, and the elastic moving member 70 is buckled from the bottom side of the base 41 to the side close to the rotating shaft 50, so that the chute 731 in the U-shaped turnover part 72 is sleeved on the limit edge 47 of the base 41 to slide, and the coil spring connecting part 74 extends into the transverse hole 44 and can transversely move in the transverse hole 44. Subsequently, the adaptor 34 is fixed on the fixing piece 422 of the lateral sidewall 42 of the base plate 40 to lock the elastic moving member 70 so as not to withdraw, and in particular, a blocking piece or the like may be formed by bending the adaptor 34 at a position corresponding to the limiting edge 47 so as to prevent the elastic moving member 70 from withdrawing. After the elastic moving member 70 is fitted, the tension end of the coil spring 46 is fixed to the coil spring connecting portion 74 of the elastic moving member 70, and an elastic force is applied to the elastic moving member 70 by the coil spring 46.
Referring to fig. 16 and 17, the synchronous motor 60 includes a bracket 61 fixed to the base 41, a gear box 64 and a motor 65 fixed to one end of the bracket 61, a sliding block 63 provided at a first end of the bracket 61, and a screw 62 screwed to the sliding block 63 and connected to the gear box 64.
The bracket 61 includes a pair of bracket bodies 61 located at both sides in the longitudinal direction, a bracket end wall 612,613 connecting the pair of bracket bodies 61 at both ends in the transverse direction, and a caulking hole 614 formed extending from the bracket body 61 or the bracket end wall 612,613. The staking holes 614 are provided at the locations of both of the bracket end walls 612,613 to secure the bracket 61 to the surface of the base 41 of the base plate 40. The first end wall 612,613 and the second end wall 612,613 are respectively provided with a hole structure limiting the screw rod 62, and bearings are arranged in the hole structures so that the screw rod 62 can freely rotate. A gap is provided between the pair of bracket bodies 61 to leave a space for the screw 62. The sliding block 63 is located between a pair of the bracket end walls 612,613, and the sliding block 63 includes a block body 631 screwed to the outside of the screw rod 62, and an extension connecting portion 632 extending from one side of the block body 631 in the longitudinal direction to the outside of the bracket body 61. One end of the screw rod 62 is limited on a bearing of the bracket end wall 612, the other end of the screw rod 62 is limited on a bearing of the bracket end wall 613 and is connected with the gear box 64, when the motor 65 is operated, the gear box 64 is driven, the screw rod 62 is driven to rotate by the gear box 64, and when the screw rod 62 rotates, the sliding block 63 outside the screw rod 62 is forced to move between the pair of bracket end walls 612,613 of the bracket body 61 along the transverse direction through threads.
The end wall 612 of the support and the sliding block 63 are located beside the screw rod 62 and are respectively provided with a pair of shaft hole structures, a stabilizer bar 67 is inserted into the pair of shaft hole structures, and the stabilizer bar 67 is used for stabilizing the sliding stability of the sliding block 63 and preventing the sliding block 63 from shaking, so that the sliding block 63 slides along the screw rod 62 and the stabilizer bar 67. The fixing plate 66 is further fixed or welded on the outer side of the motor 65, the fixing plate 66 includes a first fixing plate 661 fixed on the outer side wall of the motor 65 and a second fixing plate 662 extending from the first fixing plate 661 and formed by bending longitudinally, and the second fixing plate 662 is welded on the surface of the base 41 by laser welding so as to fix the motor 65 and prevent the motor 65 from shaking.
Referring to fig. 8 to 12 and 16, the support assembly 30 includes a first support member 31 fixed on the base plate 40 and located at a first lateral side of the base plate 40, a second support member 32 fixed on the second stretching shell 22 and located at a second lateral side of the base plate 40, and a limiting member 33 fixed on a lower side of the second support member 32 and connected and fixed with a sliding block 63 of the synchronous motor 60. In a specific implementation, the limiting member 33 may be integrally formed with the second supporting member 32, and the limiting member 33 is not required to be separately disposed and fixed on the second supporting member 32 by welding.
The first supporting member 31 includes a first supporting plate 311, a shaft attaching portion 312 formed by bending from a lateral side of the first supporting plate 311, a plurality of recessed portions 314 formed by stamping and recessing along a lateral direction, and a plurality of protruding portions 315 disposed at intervals with the recessed portions 314.
The recess 314 includes a wider recess 3141 located on the inner side, a narrower recess 3142 located on the lateral outer side, and a slide groove 3143 penetrating the narrower recess 3141 in the lateral direction. The raised portions 315 include narrower raised portions 3151 that space the wider recessed portions 3141 and wider raised portions 3152 that space the narrower recessed portions 3142. The supporting plate 311 is provided with a plurality of fixing holes 313 near the shaft engaging portion 312. The first supporting member 31 is fixed to the adapter piece 34 of the base plate 40 by riveting through the fixing hole 313, so that the first supporting member 31 and the base plate 40 are integrated. In an embodiment, the first supporting member 31 may also be fixed to the base plate 40 by welding.
The shaft attaching portion 312 is attached to the shaft 50 outside the first portion 531 of the rotating housing 53, and after the attaching, the outer surface of the shaft attaching portion 312 and the second portion 532 of the rotating housing 53 are on the same arc surface.
The second supporting member 32 includes a second supporting plate 321, a lateral outer arc surface 322 formed by bending from the lateral outer side of the second supporting plate 321, a longitudinal folded wall 323 formed by bending downward from two longitudinal ends of the second supporting plate 321, a plurality of cutting holes 326 formed on the second supporting plate 321 along the lateral direction, and a matching strip 325 formed between the cutting holes 326 at intervals.
The second supporting plate 321 and the longitudinal folding wall 323 are provided with a plurality of fixing holes 324. The plurality of cut-out holes 326 correspond to the protruding portions 315 of the first supporting member 31, and the plurality of engagement bars 325 correspond to the recessed portions 314 of the first supporting member 31. Specifically, the cut-out hole 326 includes a wider cut-out hole 3261 formed in the lateral direction and a narrower cut-out hole 3262 formed at a side of the wider cut-out hole 3261 toward the first support 31, and correspondingly, the engagement bar 325 includes a narrower engagement bar 3251 spacing the wider cut-out hole 3261 and a wider engagement bar 3252 at an end of the engagement bar 325, and a fixing hole 3253 is formed therethrough on the wider engagement bar 3252.
The limiting piece 33 is welded and fixed on the lower surface of the second support piece 32, and comprises a fixed plate body 331, limiting portions 332, limiting edges 333, a lower concave portion 334, limiting holes 335 and a stress connecting end 336, wherein the fixed plate body 331 is welded on the lower surface of the second support plate body 321 in a fitting mode, the limiting portions 332 extend from two longitudinal ends of the fixed plate body 331 to the direction of the first support piece 31, the limiting edges 333 are formed by folding the longitudinal edges of the limiting portions 332, the lower concave portion 334 is formed by downwards punching and protruding the limiting portions 332, the limiting holes 335 are formed by vertically penetrating the lower concave portion 334, and the stress connecting end 336 is formed by tearing and downwards bending one end portion of the transverse portion of the limiting portions 332.
And a limiting post 337 is fixed on the base 41 at a position corresponding to the limiting hole 335, and the upper part of the limiting post 337 is at least partially positioned inside the limiting hole 335 to limit the moving distance of the second support 32 in the transverse direction. The force connection end 336 is fixed to the extension connection portion 632 of the sliding block 63 of the synchronous motor 60. In practice, the second supporting member 32 is placed on the first supporting member 31 from above, the engaging strip 325 is accommodated in the recess 314, the wider engaging strip 325 is limited in the wider recess 3141, the fixing hole 3253 corresponds to the sliding groove 3143, and the wider engaging strip 3252 is limited on the upper side of the sliding groove 3143 by a pin. And the pin is slidable within the slide groove 3143. Subsequently, the limiting member 33 is placed on the lower surface of the second supporting member 32 for fixing, which may be riveted or welded.
The assembly and working principle of the mobile device are as follows:
providing a base plate 40, loading the elastic moving member 70 upwards from the bottom side of the base plate 40, specifically, enabling the U-shaped turnover part 72 of the elastic moving member 70 to enter the upper side of the base body 41 from the side of the base body 41 close to the lateral side wall 42, enabling the roll-up connection part 74 to enter the lateral hole 44, and then enabling the sliding chute 731 in the U-shaped turnover part 72 to be sleeved outside the limit edge 47 of the base plate 40 to slide; in this process, the movable end 13 of the flexible screen 10 may be first adhered and fixed to the connecting sheet 71 of the elastic moving member 70, the movable end 13 may be bonded to the bottom surface of the connecting sheet 71, and the flexible screen 10 may be bonded again when other parts are assembled.
Subsequently, the synchronous motor 60, the coil spring 46, and the rotating shaft 50 are mounted on the base plate 40, specifically, the synchronous motor 60 is fixed at a position corresponding to the base body 41 by means of rivets and laser welding, the coil spring 46 is wound in the coil spring fixing portion 45 of the base plate 40 by means of pins, and the stretching end 461 of the coil spring 46 is connected to the coil spring connecting portion 74 of the elastic moving member 70 by means of pins, so that the elastic stretching of the coil spring 46 to the elastic moving member 70 is achieved. The rotating shaft 50 is fixed between a pair of bending fixing portions 423 of the base plate 40, and both ends of a shaft core 51 of the rotating shaft 50 in a longitudinal direction are respectively fixed to the pair of bending fixing portions 423.
Inserting the limiting member 33 from one side of the base plate 40, inserting the limiting edges 333 on both longitudinal sides of the limiting member 33 into the sliding grooves 434 on both longitudinal sides of the base plate 40 to slide, and then fixing the limiting posts 337 on the surface of the base 41 from the limiting holes 335; in this process, the adaptor 34 is riveted or welded to the fixing piece 422 on the lateral sidewall 42 of the base plate 40, and this adaptor 34 can limit the elastic moving member 70 from backing out of the base plate 40. The stress connection end 336 of the limiting member 33 and the extension connection portion 632 of the synchronous motor 60 are fixed together by rivets.
Then, the assembly of the first support member 31 and the second support member 32 is placed above the base plate 40, the rotating shaft attaching portion 312 of the first support member 31 is attached to the outside of the first portion 531 of the rotating shaft housing 53, the first support member 31 and the adapting piece 34 are fixed together so that the first support member 31 and the base plate 40 are fixed together, and the second support member 32 and the limiting member 33 are riveted or welded together.
Finally, the fixed end 12 of the flexible screen 10 is fixed to the second lateral outer wall 223 of the second stretching shell 22, and the movable end 13 is adhesively fixed to the connecting sheet 71 of the elastic moving member 70. The second tension housing 22 is inserted into the first tension housing 21 in the lateral direction, specifically, the received portion 2241 of the second longitudinal wall 224 is inserted into the receiving groove 2143 of the first longitudinal arm 214 of the first tension housing 21. The assembled stretching assembly a is placed into the cavities 212, 222 of the first stretching shell 21 and the second stretching shell 22, the base plate 40 is fixed on the fixing portion 2144 of the first longitudinal wall 214 of the first stretching shell 21 by screws, and the longitudinal folded wall 323 of the second supporting member 32 is fixed on the second longitudinal wall 224 of the second stretching shell 22 by screws.
The working principle of the mobile device with the variable screen width is as follows:
when the first stretching shell 21 and the second stretching shell 22 are folded relatively, the first supporting member 31 and the second supporting member 32 are in a state of being overlapped most in the vertical direction, and at this time, the engaging strip 325 of the second supporting member 32 is completely accommodated in the recess 314 of the first supporting member 31. When the mobile device needs to be unfolded, the synchronous motor 60 is started to drive the screw rod 62 to rotate, the sliding block 63 moves away from one side of the rotating shaft 50, the sliding block 63 drives the limiting piece 33, the second supporting piece 32 and the second stretching shell 22 to move away from the first stretching shell 21, at this time, the flexible screen 10 pulls the elastic moving piece 70 to enable the elastic moving piece 70 to move to one side of the rotating shaft 50 under the elastic force of the coil spring 46, so that the width of the flexible screen 10 positioned on one side of the main screen is enlarged; the first supporting member 31 and the second supporting member 32 are widened away from each other, and the limiting post 337 limits the maximum moving distance of the limiting member 33.
According to the flexible screen with the variable screen width and the mobile device, the fixed end 12 and the movable end 13 are respectively arranged on two lateral sides of the screen body 11, the fixed end 12 is fixed, the movable end 13 is elastically fixed on the lower side of the upper screen body, and the width of the upper screen body is changed through the elastic change of the movable end 13, so that the variable screen width is realized; the flexible screen does not need to be wound, and the occupied space is small.
The stretching assembly A is characterized in that a synchronous motor 60 and an elastic moving piece 70 are arranged on a base plate 40, a first supporting piece 31 and a second supporting piece 32 which are matched with each other are covered on the upper side of the base plate 40, and synchronous movement of the first supporting piece 31 and the second supporting piece 32 in the transverse direction is controlled through synchronous movement of a pair of synchronous motors 60.
The support assembly 30 changes the width of the support assembly 30 by arranging a relatively movable first support member 31 and a second support member 32, wherein the first support member 31 and the second support member are provided with mutually overlapped parts, a concave part 314 and a sliding groove 3143 are arranged on the first support member 31, and a matching strip 325 matched with the concave part 314 is arranged on the second support member 32 to realize that the first support member 31 and the upper surface of the second support member 32 are coplanar to support the flexible screen 10 on the same plane, so that plane damage is avoided.
This application synchronous motor 60 is equipped with support 61 of support end wall 612,613 through setting up horizontal both ends support end wall 613 horizontal one side sets up motor 65 set up sliding block 63 between support end wall 612,613, set up through lead screw 62 between support end wall 612,613, sliding block 63 spiro union in outside the lead screw 62, motor 65 drives when lead screw 62 rotates, make sliding block 63 remove in horizontal direction, thereby the drive is fixed in respectively two object synchronous motion on sliding block 63 and the support 61.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples only represent preferred embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (11)
1. The stretching type mobile equipment with the variable screen width is characterized by comprising a flexible screen, a stretching assembly and a shell provided with the stretching assembly and the flexible screen, wherein the shell comprises a first stretching shell and a second stretching shell which are transversely matched with each other, the stretching assembly comprises a first supporting piece and a second supporting piece which are respectively fixed on the first stretching shell and the second stretching shell, the flexible screen comprises a fixed end which is fixed on the transverse outer side of the second stretching shell and a movable end which is elastically fixed between the stretching assembly and the shell, the first stretching shell and the second stretching shell move in the transverse direction and drive the first supporting piece and the second supporting piece to open and close, and meanwhile, the movable end of the flexible screen is caused to change the transverse position so as to change the width of the flexible screen on the upper side of the stretching assembly;
the stretching assembly further comprises a substrate fixed in the first stretching shell, a synchronous motor and a rotating shaft, wherein the synchronous motor and the rotating shaft are fixed on the substrate, the first supporting piece comprises a first supporting plate body and a plurality of sliding grooves formed by stamping from the first supporting plate body along the transverse direction, the second supporting piece comprises a second supporting plate body, a plurality of matching strips formed by stamping and fixing holes penetrating through the end parts of the matching strips, the matching strips are movably limited in the sliding grooves through rivets, the second supporting piece is connected with the synchronous motor, the second supporting piece is fixed with the second stretching shell, and the first supporting piece is fixed on the substrate; the first support piece further comprises a plurality of concave parts and a plurality of convex parts, the concave parts are formed by stamping downwards along the first support plate body, the convex parts are arranged at intervals of the concave parts, and the sliding grooves are formed in the concave parts along the transverse direction; the second supporting piece is provided with a plurality of cutting holes at intervals, the matching strips are accommodated in the concave parts, the cutting holes keep away from the convex parts, and the upper surfaces of the first supporting plate body and the second supporting plate body are coplanar;
the movable end is connected to an elastic moving part, the elastic moving part is located between the stretching assembly and the shell and can be stretched along the transverse direction, the substrate comprises a substrate, a pair of transverse holes are respectively formed in the two longitudinal sides of the substrate, the two longitudinal ends of the substrate are located in the outer sides of the transverse holes and are torn upwards to form limiting edges, the two longitudinal ends of a connecting sheet body of the elastic moving part are folded to form U-shaped folding parts, sliding grooves are formed in the U-shaped folding parts, and the sliding grooves are clamped into the outer sides of the limiting edges to slide so as to stabilize the moving track of the elastic moving part.
2. The elongated variable screen width mobile device of claim 1, wherein the first elongated housing comprises a first housing, a first lateral outer wall extending upward from a first lateral side of the first housing, and a pair of first longitudinal walls extending upward from both longitudinal ends of the first housing, the second elongated housing comprises a second housing, a second lateral outer wall extending upward from a second lateral side of the second housing, and a pair of second longitudinal walls extending upward from both longitudinal sides of the second housing; the first shell and one side adjacent to the second shell are all open to form an opening, the fixed end of the flexible screen is fixed on the second transverse outer wall of the second stretching shell, and the second stretching shell can at least partially move in the first stretching shell along the transverse direction according to a preset track.
3. The mobile device of claim 2, wherein the first stretching shell and the second stretching shell define a cavity, the stretching assembly and the flexible screen are installed in the cavity, the pair of first longitudinal walls comprises longitudinal walls, turnover parts formed by bending inwards from the tops of the longitudinal walls, a containing groove is formed on one side of the longitudinal walls close to the second stretching shell in a hollowed manner, and a fixing part formed on one side of the longitudinal walls close to the first transverse outer wall; the pair of second longitudinal walls respectively comprise a received part inserted into the receiving groove of the first longitudinal wall and an exposed part positioned at the transverse outer side of the received part, and the received part is received in the receiving groove and at least partially overlaps the first stretching shell and the second stretching shell.
4. A mobile device of claim 3, wherein the flexible screen further comprises a screen body between the fixed end and the movable end, the screen body comprising an upper screen body exposed at an upper surface of the stretching assembly and a lower screen body extending in reverse bending at a lower side of the upper screen body, the movable end being located at a free end of the lower screen body.
5. A stretchable type variable screen width mobile device according to claim 4, wherein the elastic moving member is connected by at least a pair of springs fixed in the first stretchable shell or the second stretchable shell in the longitudinal direction, and the movable end is fixed to the elastic moving member.
6. The mobile device of claim 5, wherein the base plate further comprises a lateral side wall formed by bending upwards from a lateral side of the base body, a pair of longitudinal side walls formed by bending upwards from both longitudinal sides of the base body, and bending fixing ends formed by bending outwards from both ends of the lateral side walls, the longitudinal ends of the rotating shaft are respectively fixed on the pair of bending fixing ends, the first supporting member further comprises a rotating shaft attaching part formed by bending outwards from the lateral side of the first supporting plate body, the outer surface of the rotating shaft comprises a first part and a second part, the rotating shaft attaching part is attached to the outer surface of the first part, and the rotating shaft attaching part is coplanar with the second part.
7. The elongated variable width mobile device of claim 6, wherein the flexible screen further comprises an arcuate bend at a junction of the upper and lower screen bodies, the arcuate bend being supported in engagement with the shaft engaging portion and out of the second portion of the shaft outer surface.
8. The mobile device of claim 7, wherein the second support member further comprises a lateral outer arc surface formed by bending from a lateral outer side of the second support plate body and a longitudinal folded wall formed by bending downward from both longitudinal ends of the second support plate body.
9. The stretchable screen-width-variable mobile device of claim 8, wherein the recess comprises a wider recess distal to the first support and a narrower recess proximal to the first support, the protrusion comprises a narrower protrusion at a longitudinal side of the wider recess and a wider protrusion at a longitudinal side of the narrower recess, and the engagement bar comprises a wider engagement bar within the wider recess and a narrower engagement bar moving from the narrower recess, the width of the wider engagement bar being greater than the width of the narrower recess to limit.
10. The mobile device of claim 6, wherein the elastic moving member includes a connection piece body located at a lower side of the base body and a coil spring connection portion bent upward from the connection piece body to extend to an upper side of the transverse hole, a coil spring fixing portion is formed at a position of a laterally inner side of the base body corresponding to the coil spring connection portion, one coil spring is wound and fixed in the coil spring fixing portion, the coil spring includes a tensile end connected to the coil spring connection portion of the elastic moving member, and a movable end of the flexible screen is fixed to the connection piece body.
11. The mobile device of claim 6, wherein a limiting piece is further fixed on the lower side of the second supporting piece, the limiting piece comprises a fixed plate body attached to the lower side of the second supporting piece, limiting portions extending from two longitudinal sides of the fixed plate body towards the direction of the first supporting piece, the second supporting piece is matched with the base plate through the limiting piece, a U-shaped turnover portion and a sliding groove formed in the U-shaped turnover portion are formed in the longitudinal side wall of the base plate, limiting edges matched with the sliding groove are formed in two longitudinal ends of the limiting portion to stabilize the mutual moving track of the limiting piece and the base plate, stress connection ends are formed by bending the limiting portions corresponding to the positions of the synchronous motors, and the second supporting piece is fixedly connected with the synchronous motors through the stress connection ends.
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| CN117130431A (en) * | 2022-05-18 | 2023-11-28 | Oppo广东移动通信有限公司 | Electronic equipment |
| CN115035795A (en) * | 2022-06-14 | 2022-09-09 | 深圳市长盈精密技术股份有限公司 | Drive module and stretching type flexible screen |
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