CN110725855A - Folding screen motion supporting structure - Google Patents

Folding screen motion supporting structure Download PDF

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Publication number
CN110725855A
CN110725855A CN201911124178.6A CN201911124178A CN110725855A CN 110725855 A CN110725855 A CN 110725855A CN 201911124178 A CN201911124178 A CN 201911124178A CN 110725855 A CN110725855 A CN 110725855A
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CN
China
Prior art keywords
supporting
seat
shaped groove
limiting
sliding block
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Granted
Application number
CN201911124178.6A
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Chinese (zh)
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CN110725855B (en
Inventor
蔡慧玲
朱卫东
黄超
白剑
贺景松
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Beijing Xiaomi Mobile Software Co Ltd
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Jiangsu Gian Technology Co Ltd
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Priority to CN201911124178.6A priority Critical patent/CN110725855B/en
Publication of CN110725855A publication Critical patent/CN110725855A/en
Application granted granted Critical
Publication of CN110725855B publication Critical patent/CN110725855B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/10—Arrangements for locking
    • 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
    • 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
    • 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)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

The invention relates to a folding screen movement supporting structure, which is provided with a supporting strip group and a rotating assembly; the supporting strip group comprises a plurality of supporting strips which are arranged in parallel; all the supporting bars are rotationally connected together through a rotating assembly; the rotating assembly comprises a plurality of female hinges and a plurality of butt hinges; the support bars are provided with female hinges and butt hinges at intervals; each female hinge is provided with an arc-shaped groove which can be rotationally matched with the butt joint hinge on the adjacent supporting strip; and arc blocks which can be in running fit with the arc grooves on the female hinges on the adjacent supporting strips are arranged on each butt joint hinge. In the movement process, the gaps among the supporting bars, namely the center distances, can be uniformly contracted and changed, so that the screen does not bulge when the flexible screen is folded and unfolded, the flatness of the plane during unfolding and folding is compensated, and the screen is not bulged or sunken when the screen is unfolded and folded through the displacement of the center layer.

Description

Folding screen motion supporting structure
Technical Field
The invention relates to a folding screen movement supporting structure.
Background
The middle folding rotating shaft of the existing folding screen mobile phone is of a mechanical structure, the effect of a modern soft screen is fused, and the soft screen can be bent to a certain degree without being damaged.
According to the scheme, the part of the structure of the central rotating shaft is mostly in a shaft pin type connection or a gear realizes track movement and the like. In the existing scheme, the rotation action is realized around the central axis, and the position of the axis is kept unchanged, so that the circle center is required to be kept unchanged in the rotation process among all connecting ends (namely shaft pins or gears), and therefore, a central layer for controlling the flexible screen is required to be arranged at each connecting end.
Disclosure of Invention
The invention aims to provide a movement supporting structure of a folding screen, which can achieve uniform contraction of the center distance of each connecting end on the premise of omitting control of a center layer of a flexible screen, so that the screen does not have bulges in the folding and unfolding states of a flexible screen, and the flatness of the plane in unfolding and folding is compensated.
The technical scheme for realizing the purpose of the invention is as follows: the invention has a support bar group and a rotating component; the supporting strip group comprises a plurality of supporting strips which are arranged in parallel; all the supporting bars are rotationally connected together through a rotating assembly; the rotating assembly comprises a plurality of female hinges and a plurality of butt hinges; the support bars are provided with female hinges and butt hinges at intervals; each female hinge is provided with an arc-shaped groove which can be rotationally matched with the butt joint hinge on the adjacent supporting strip; and arc blocks which can be in running fit with the arc grooves on the female hinges on the adjacent supporting strips are arranged on each butt joint hinge. When only one side of the female hinge is provided with the supporting strip, only one arc-shaped groove is arranged on the female hinge; if the two sides of the female hinge are provided with the supporting bars, the arc-shaped blocks of the butt joint hinge corresponding to the supporting bars on the two sides are provided with arc-shaped grooves; when only one side of the butt joint hinge is provided with the supporting strip, only one arc-shaped block is arranged on the butt joint hinge; if the two sides of the butt joint hinge are provided with the supporting bars, the arc-shaped grooves of the female hinges on the supporting bars corresponding to the two sides are provided with the arc-shaped blocks.
Meanwhile, the supporting device also comprises a rotation limiting assembly used for limiting the relative rotation angle between the supporting bars; the rotary limiting assembly comprises an elastic ball stud arranged on the female hinge and corresponding to the arc-shaped groove, and a limiting groove arranged on the arc-shaped block and used for the elastic ball stud to insert and limiting the arc-shaped block to rotate in the arc-shaped groove.
Also includes a state keeping component; the state maintaining assembly comprises two fixed seats, a supporting seat, two pull rods, a screw rod and a locking seat; the two fixing seats are respectively and fixedly connected to the supporting strips at the two sides of the supporting strip group; the supporting seat is connected to the supporting bar in the middle of the supporting bar group in a sliding mode and slides along the extending direction of the supporting bar; both ends of the pull rod are provided with ball heads; the screw rod comprises a threaded part and a polished rod part which are connected into a whole; the locking seat is fixedly connected to the supporting strip positioned in the middle of the supporting strip group; the locking seat is provided with a locking hole which can form static friction with the polished rod part of the screw rod;
two first ball head cavities and threaded holes which can be in threaded fit with the threaded parts of the screw rods are symmetrically arranged on the supporting seat; each fixing seat is provided with a second ball head cavity; the ball heads at two ends of the pull rod are respectively rotatably clamped in the first ball head cavity and the second ball head cavity at the corresponding sides; the screw thread part of the screw rod is in threaded fit with the threaded hole in the supporting seat, and the polished rod part of the screw rod is in fit connection with the locking hole. The support bars are provided with T-shaped grooves extending along the extension direction of the support bars; the support base is provided with a clamping edge which can be matched and clamped with the T-shaped groove and guide the T-shaped groove to slide along the extending direction of the T-shaped groove.
As an optimized deformation design, the state maintaining assembly further comprises a limiting seat; the limiting seat is fixedly connected to the supporting strip positioned in the middle of the supporting strip group; the supporting seat is positioned between the limiting seat and the locking seat; a limiting groove is formed in the limiting seat; and the supporting seat is provided with a limiting head which is correspondingly matched with the limiting groove and limits the supporting seat to continuously slide towards the limiting seat.
The limiting seat comprises a clamp spring seat and a clamp spring; the clamp spring seat is fixedly connected to a support bar positioned in the middle of the support bar group; two clamping tongues which are oppositely arranged are arranged on the clamping spring seat; a spherical groove is formed between the two clamping tongues, and annular clamping grooves are formed outside the two clamping tongues; the limiting head on the supporting seat is a third ball head; the clamp spring is sleeved in the annular clamp groove and used for keeping the closing force between the two clamp tongues; the third ball head can enter or leave the spherical groove after overcoming the closing force of the clamp spring between the two clamp tongues.
As an optimized deformation design, the supporting seat comprises a first sliding block, a connecting rod, a return spring and a second sliding block; the first sliding block and the second sliding block are arranged on the supporting strip in the middle of the supporting strip group in a sliding mode and slide along the extending direction of the supporting strip; two first ball head cavities and a third ball head are symmetrically arranged at one end of the first sliding block, which is positioned on the limiting seat; one end of the first sliding block, which is far away from the limiting seat, is provided with a clamping groove; one end of the connecting rod is provided with a clamping head correspondingly clamped with the clamping groove, and the other end of the connecting rod is fixedly connected with the second sliding block; the reset spring is sleeved on the connecting rod, and two ends of the reset spring respectively act on the first sliding block and the second sliding block; and a threaded hole matched with the threaded part of the screw rod is formed in the second sliding block. The support bars are provided with T-shaped grooves extending along the extension direction of the support bars; and clamping edges which can be matched and clamped with the T-shaped groove and guide the T-shaped groove to slide along the extending direction of the T-shaped groove are arranged on the first sliding block and the second sliding block.
The female hinge and the butt joint hinge are respectively provided with a clamping edge which can be matched and clamped with the T-shaped groove and guide the T-shaped groove to slide along the extending direction of the T-shaped groove; the female hinge is fixedly connected with the supporting bar.
The support bar group is provided with a plurality of rotating assemblies arranged along the extending direction of the support bars. Preferably three rotating assemblies.
The support bar is provided with a plurality of state maintaining components along the extending direction. As the optimal design, both ends of support bar all are equipped with the state and keep the subassembly.
The invention has the positive effects that: (1) when the support bar group is folded, the support bars realize circular motion of the support bars under the action of the rotating assembly, and gaps (namely center distances) among the support bars are uniformly contracted, so that the screen does not have bulges when the flexible screen is folded and unfolded, the flatness of the unfolded and folded plane is compensated, and a center layer for controlling the flexible screen is omitted.
(2) The rotation limiting assembly can effectively control the limiting of the rotation angle, namely, the support bar can play a limiting role when rotating to a set angle.
(3) According to the invention, a certain holding force can be realized at any folding angle of the flexible screen in the folding process through the state holding assembly, so that the self-locking effect of the folding angle is realized.
(4) The folding angle can be limited by the limiting seat in the state maintaining assembly, namely, the folding screen is limited after being completely opened, so that damage caused by excessive bending is prevented; and under the complete folding state, because the jump ring effect in the spacing seat, can have certain angle locking power to improve the result of use.
(5) The invention has good assembly strength through the clamping connection of the T-shaped groove and the clamping edge.
(6) The female hinge can improve the precision and the service life of the folding movement.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the support bar assembly and the rotating assembly of the present invention;
FIG. 3 is a schematic view of the structure of the support strip assembly of the present invention;
FIG. 4 is a schematic structural view of the female hinge of the present invention;
FIG. 5 is a schematic view of the butt hinge of the present invention;
FIG. 6 is a schematic view of the assembly of the female hinge and the docking hinge of the present invention;
FIG. 7 is a schematic view of the folded support strip assembly of the present invention;
FIG. 8 is a schematic view of the rotation limiting assembly of the present invention;
FIG. 9 is a schematic view of a state retaining assembly according to the present invention;
FIG. 10 is a cross-sectional view of the support base of the present invention;
FIG. 11 is a schematic structural view of a clamp spring seat according to the present invention;
FIG. 12 is a schematic structural view of a first slider according to the present invention;
fig. 13 is a schematic structural view of the snap spring of the present invention.
Detailed Description
Referring to fig. 1-6, the present invention has a support bar assembly and a rotating assembly; the supporting strip group comprises a plurality of supporting strips 1 which are arranged in parallel; the supporting bars 1 are rotationally connected together through a rotating assembly; and three rotating assemblies are arranged on the support bar group along the extending direction of the support bar 1.
The rotating assembly comprises a plurality of female hinges 2 and a plurality of butt hinges 3; the support bars 1 are provided with female hinges 2 and butt hinges 3 at intervals; each female hinge 2 is provided with an arc-shaped groove 21 which can be rotationally matched with the butt joint hinge 3 on the adjacent supporting strip 1; each butt joint hinge 3 is provided with an arc block 31 which can be rotationally matched with the arc groove 21 on the female hinge 2 on the adjacent support strip 1; the support bar 1 is provided with a T-shaped groove 11 extending along the extension direction; clamping edges which can be matched and clamped with the T-shaped groove 11 are arranged on the female hinge 2 and the butt joint hinge 3; the female hinge 2 is fixedly connected with the corresponding support bar 1.
When only one side of the female hinge 2 is provided with the supporting bar 1, only one arc-shaped groove 21 is arranged; if the support bars 1 are arranged on both sides of the female hinge 2, the arc-shaped blocks 31 of the butt joint hinge 3 on the support bars 1 corresponding to both sides are provided with arc-shaped grooves 21; when only one side of the butt joint hinge 3 is provided with the supporting strip 1, only one arc-shaped block 31 is arranged; if the support bars 1 are arranged on both sides of the butt joint hinge 3, the arc-shaped grooves 21 of the female hinges 2 on the support bars 1 on both sides corresponding to the support bars are provided with arc-shaped blocks 31.
When the support bar group is folded, the support bars 1 realize circular motion of the support bars 1 under the action of the rotating assembly, and gaps (namely center distances) among the support bars 1 are uniformly contracted, so that the screen of the flexible screen is not raised in the folded and unfolded states, the unfolded and folded flatness of the plane is compensated, and a center layer for controlling the flexible screen can be omitted.
See fig. 8, further comprising a rotation limiting assembly 4 for limiting the relative rotation angle between the support bars 1; the rotation limiting assembly 4 comprises an elastic ball stud 41 which is arranged on the female hinge 2 and corresponds to the arc-shaped groove 21, and a limiting groove 42 which is arranged on the arc-shaped block 31 and can allow the elastic ball stud 41 to be inserted and limit the arc-shaped block 31 to rotate in the arc-shaped groove 21. The elastic ball stud 41 comprises a return spring and a stud with a ball head at one end; the female hinge 2 is provided with a mounting hole; the reset spring is sleeved on the pin, the pin sleeved with the reset spring is installed in the installation hole, and two ends of the reset spring respectively act on the inner wall of the installation hole and the pin; one end of the pin post with the ball head extends out of the mounting hole under the action of the return spring; the bulb on the round pin post can insert under reset spring's effect with the spacing recess 42 on the arc piece 31 in, and the bulb of round pin post can break away from spacing recess 32 from a side edge of spacing recess 42 under the exogenic action, nevertheless can't break away from spacing recess 32 from the opposite side of spacing recess 42 under the exogenic action, a side edge of spacing recess 42 is higher than the opposite side edge promptly, the bulb of round pin post can break away from spacing recess 42 from a side edge that spacing recess 32 is low, and can't break away from spacing recess 42 from a high side edge.
When the arc block 31 rotates in the arc groove 21, the side surface of one side of the elastic ball stud 41 acts on the stud to compress the stud into the mounting hole, and the stud does not limit the arc block 31; when the arc piece 31 rotates to the set angle, the limiting groove 42 on the arc piece 31 corresponds to the pin, the pin slides into the limiting groove 42 from the edge of one side with the lower limiting groove 42 under the action of the return spring, but the edge of one side with the higher limiting groove 42 cannot be separated from the limiting groove 42, so that the arc piece 31 is limited to continue rotating, and the angle is limited. When the arc block 31 rotates in the opposite direction, the ball of the pin can be separated from the limiting groove 42 from the side edge at the lower part of the limiting groove 42 under the action of the rotating force, so that the rotation of the arc block 31 is not influenced.
Referring to fig. 9 to 13, both ends of the supporting bar 1 are provided with the state maintaining assemblies 5; the state retaining assembly 5 comprises two fixed seats 51, a supporting seat 52, two pull rods 53, a screw rod 54, a locking seat 55 and a limiting seat 56; the two fixing seats 51 are respectively and fixedly connected to the supporting bars 1 at the two sides of the supporting bar group; each of the fixing seats 51 is provided with a second ball cavity. Both ends of the pull rod 53 are provided with ball heads. The lead screw 54 includes a threaded portion and a polished rod portion integrally connected. The support seat 52 is located between the stopper seat 56 and the locking seat 56.
The support seat 52 comprises a first slide block 521, a connecting rod 522, a return spring 523 and a second slide block 524; the first slider 521 and the second slider 524 are respectively provided with a clamping edge which can be matched and clamped with the T-shaped groove 11 and guide the T-shaped groove 11 to slide along the extending direction of the T-shaped groove; the first sliding block 521 and the second sliding block 524 are both provided with a supporting bar 1 which is arranged on the supporting bar group in the middle in a sliding manner; two first ball head cavities and a third ball head 525 used for limiting the limit seat 56 to continuously slide towards the limit seat are symmetrically arranged at one end of the limit seat 56 on the first sliding block 521; one end of the first sliding block 521, which is far away from the limiting seat 56, is provided with a clamping groove; one end of the connecting rod 522 is provided with a clamping head correspondingly clamped with the clamping groove, and the other end of the connecting rod 522 is fixedly connected with the second sliding block 524; the return spring 523 is sleeved on the connecting rod 522, and two ends of the return spring act on the first slider 521 and the second slider 524 respectively; the second slider 524 is provided with a threaded hole engaged with the threaded portion of the lead screw 54.
The ball heads at the two ends of the pull rod 53 are respectively rotatably clamped in the first ball head cavity and the second ball head cavity at the corresponding sides.
The limiting seat 56 comprises a clamp spring seat 561 and a clamp spring 562; the clamp spring seat 561 is fixedly connected to the support bar 1 in the middle of the support bar group; the clamp spring seat 561 is provided with two clamp tongues 561-1 which are oppositely arranged; a spherical groove is formed between the two clamping tongues 561-1, and annular clamping grooves 561-2 are formed outside the two clamping tongues 561-1; the clamp spring 562 is sleeved in the annular clamp groove 561-2 and used for keeping a closing force between the two clamp tongues 561-1; the third ball head 525 can enter or leave the spherical groove after overcoming the closing force of the clamp spring 562 on the two clamp tongues 561-1.
The locking seat 55 is fixedly connected to the support bar 1 positioned in the middle of the support bar group; the locking seat 55 is provided with a locking hole which can form static friction with the polished rod part of the screw rod 54; the thread part of the screw rod 54 is in threaded fit with the threaded hole on the supporting seat 52, and the polish rod part of the screw rod 54 is in fit connection with the locking hole.
The working principle of the state retaining assembly 5 is as follows:
when the folding screen is folded and stacked, under the action of external force, the pull rod 53 rotates under the action of the ball heads at the two ends of the pull rod, the first sliding block 521 slides towards the locking seat 55, the first sliding block 521 drives the second sliding block 524 to slide, the second sliding block 524 drives the screw rod 54 to rotate, and static friction force is realized between the polished rod part of the screw rod 54 and the locking hole, so that the pull rod 53 can realize self-locking when being folded at any angle, namely, the folding angle is kept (namely, the folding angle is kept at a certain folding angle).
After the folding screen is completely opened, the third ball 525 can overcome the force of the clamp spring 562 to enter the spherical groove, and the third ball 525 can be limited by the spherical groove, so that the first slider 521 is limited to continuously slide towards the limiting seat 56, and certain unfolding holding force is realized under the action of the clamp spring 562 and the action of the locking hole.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. Folding screen motion bearing structure, its characterized in that: having a support bar set and a rotation assembly; the supporting strip group comprises a plurality of supporting strips (1) which are arranged in parallel; the supporting bars (1) are rotationally connected together through a rotating assembly; the rotating assembly comprises a plurality of female hinges (2) and a plurality of butt hinges (3); the support bars (1) are provided with female hinges (2) and butt hinges (3) at intervals; each female hinge (2) is provided with an arc-shaped groove (21) which can be rotationally matched with the butt joint hinge (3) on the adjacent support bar (1); each butt joint hinge (3) is provided with an arc block (31) which can be rotationally matched with the arc groove (21) on the female hinge (2) on the adjacent support bar (1).
2. A folding screen motion support structure as recited in claim 1, wherein: the supporting bar fixing device also comprises a rotation limiting assembly (4) for limiting the relative rotation angle between the supporting bars (1); rotatory spacing subassembly (4) including set up on female hinge (2) and with elasticity bulb pin (41) that arc wall (21) correspond to and set up on arc piece (31) and can supply elasticity bulb pin (41) to insert and restrict spacing recess (42) of arc piece (31) internal rotation in arc wall (21).
3. A folding screen motion support structure as recited in claim 1, wherein: also comprises a state keeping component (5); the state retaining assembly (5) comprises two fixed seats (51), a supporting seat (52), two pull rods (53), a screw rod (54) and a locking seat (55); the two fixing seats (51) are respectively and fixedly connected to the supporting bars (1) at the two sides of the supporting bar group; the supporting seat (52) is connected to the supporting bar (1) in the middle of the supporting bar group in a sliding manner and slides along the extending direction of the supporting bar (1); both ends of the pull rod (53) are provided with ball heads; the screw rod (54) comprises a threaded part and a polished rod part which are connected into a whole; the locking seat (55) is fixedly connected to the support bar (1) positioned in the middle of the support bar group; the locking seat (55) is provided with a locking hole which can form static friction with the polished rod part of the screw rod (54);
two first ball head cavities and threaded holes which can be in threaded fit with the threaded part of the screw rod (54) are symmetrically arranged on the supporting seat (52); each fixed seat (51) is provided with a second ball head cavity; the ball heads at two ends of the pull rod (53) are respectively rotatably clamped in the first ball head cavity and the second ball head cavity at the corresponding sides; the thread part of the screw rod (54) is in threaded fit with the threaded hole on the supporting seat (52), and the polish rod part of the screw rod (54) is in fit connection with the locking hole.
4. A folding screen motion support structure as recited in claim 3, wherein: the state maintaining component (5) also comprises a limiting seat (56); the limiting seat (56) is fixedly connected to the supporting strip (1) positioned in the middle of the supporting strip group; the supporting seat (52) is positioned between the limiting seat (56) and the locking seat (55); a limiting groove is formed in the limiting seat (56); the supporting seat (52) is provided with a limiting head which is correspondingly matched with the limiting groove and limits the supporting seat (52) to continuously slide towards the limiting seat (56).
5. A folding screen motion support structure according to claim 4, wherein: the limiting seat (56) comprises a clamp spring seat (561) and a clamp spring (562); the clamp spring seat (561) is fixedly connected to a support bar (1) positioned in the middle of the support bar group; two clamping tongues (561-1) which are oppositely arranged are arranged on the clamping spring seat (561); a spherical groove is formed between the two clamping tongues (561-1), and annular clamping grooves (561-2) are formed outside the two clamping tongues (561-1); the limiting head on the supporting seat (52) is a third ball head (525); the clamp spring (562) is sleeved in the annular clamp groove (561-2) and used for keeping a closing force between the two clamp tongues (561-1); the third ball head (525) can enter or leave the spherical groove after overcoming the closing force of the clamp spring (562) on the two clamp tongues (561-1).
6. A folding screen motion support structure according to claim 4, wherein: the supporting seat (52) comprises a first sliding block (521), a connecting rod (522), a return spring (523) and a second sliding block (524); the first sliding block (521) and the second sliding block (524) are arranged on the supporting bar (1) positioned in the middle of the supporting bar group in a sliding mode and slide along the extending direction of the supporting bar (1); two first ball head cavities and a third ball head (525) are symmetrically arranged at one end of the first sliding block (521) positioned on the limiting seat (56); a clamping groove is formed in one end, far away from the limiting seat (56), of the first sliding block (521); one end of the connecting rod (522) is provided with a clamping head correspondingly clamped with the clamping groove, and the other end of the connecting rod (522) is fixedly connected with the second sliding block (524); the return spring (523) is sleeved on the connecting rod (522), and two ends of the return spring act on the first sliding block (521) and the second sliding block (524) respectively; the second sliding block (524) is provided with a threaded hole matched with the threaded part of the screw rod (54).
7. A folding screen motion support structure according to any one of claims 1 to 6, wherein: the support bar (1) is provided with a T-shaped groove (11) extending along the extension direction; clamping edges which can be matched and clamped with the T-shaped groove (11) and guide the T-shaped groove to slide along the extending direction of the T-shaped groove (11) are arranged on the female hinge (2) and the butt joint hinge (3); the female hinge (2) is fixedly connected with the support bar (1).
8. A folding screen motion support structure as recited in claim 3, wherein: the support bar (1) is provided with a T-shaped groove (11) extending along the extension direction; the support seat (52) is provided with a clamping edge which can be matched and clamped with the T-shaped groove (11) and guide the T-shaped groove to slide along the extending direction of the T-shaped groove (11).
9. The folding screen motion support structure of claim 6, wherein: the support bar (1) is provided with a T-shaped groove (11) extending along the extension direction; the first sliding block (521) and the second sliding block (524) are respectively provided with a clamping edge which can be matched and clamped with the T-shaped groove (11) and guide the T-shaped groove to slide along the extending direction of the T-shaped groove (11).
10. A folding screen motion support structure as recited in claim 1, wherein: a plurality of rotating assemblies are arranged on the supporting bar group along the extending direction of the supporting bar (1); the support bar (1) is provided with a plurality of state maintaining components (5) along the extending direction.
CN201911124178.6A 2019-11-18 2019-11-18 Folding screen motion supporting structure Active CN110725855B (en)

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Application Number Priority Date Filing Date Title
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CN110725855A true CN110725855A (en) 2020-01-24
CN110725855B CN110725855B (en) 2024-07-02

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111396447A (en) * 2020-04-29 2020-07-10 江苏精研科技股份有限公司 Folding rotating shaft for folding screen electronic equipment
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CN112696426A (en) * 2020-12-22 2021-04-23 维沃移动通信有限公司 Hinge mechanism, folding mechanism and electronic equipment
CN112696426B (en) * 2020-12-22 2022-03-11 维沃移动通信有限公司 Hinge mechanism, folding mechanism and electronic equipment

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