CN110701180B - Folding screen overturning state locking mechanism - Google Patents
Folding screen overturning state locking mechanism Download PDFInfo
- Publication number
- CN110701180B CN110701180B CN201911124182.2A CN201911124182A CN110701180B CN 110701180 B CN110701180 B CN 110701180B CN 201911124182 A CN201911124182 A CN 201911124182A CN 110701180 B CN110701180 B CN 110701180B
- Authority
- CN
- China
- Prior art keywords
- seat
- turnover body
- screw rod
- turnover
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- 230000007306 turnover Effects 0.000 claims abstract description 64
- 230000003068 static effect Effects 0.000 claims abstract description 5
- 210000002105 tongue Anatomy 0.000 claims description 14
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Pivots And Pivotal Connections (AREA)
- Eyeglasses (AREA)
Abstract
The invention relates to a folding screen overturning state locking mechanism which is provided with a fixed seat, a supporting seat, a pull rod, a screw rod and a locking seat; the fixed seat is fixedly connected to the first turnover body, and the supporting seat is arranged on the second turnover body in a sliding manner; the first turnover body is rotationally connected with the second turnover body; 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 second turnover body; the locking seat is provided with a locking hole which can form static friction force with a polished rod part of the screw rod; the support seat is provided with a first ball head cavity and a threaded hole which can be in threaded fit with the threaded part of the screw rod; the fixing seat is provided with a second ball head cavity; the ball heads at the two ends of the pull rod are respectively rotationally clamped in the first ball head cavity and the second ball head cavity; the threaded part of the screw rod is connected with the threaded hole in a matched manner, and the polish rod part of the screw rod is connected with the locking hole in a matched manner. The invention can realize self-locking at any angle when the folding screen is turned over, and effectively improve the use feeling.
Description
Technical Field
The invention relates to a folding screen mechanism, in particular to a folding screen overturning state locking mechanism.
Background
With the continuous development of the mobile internet age, consumers are increasingly focusing on the functions and the appearance of electronic products. With the continuous development of the flexible screen technology, the field of mobile phones has begun to gradually use the flexible screen technology. Through the soft screen, the folding of the screen can be realized, so that the mobile phone has the function of a tablet personal computer.
The existing folding screen mobile phone has the advantages that the middle folding rotating shafts are of mechanical structures, the effect of a modern soft screen is integrated, and the soft screen can be bent to a certain extent without being damaged. In the scheme, the structure of the central rotating shaft part is mainly in shaft pin connection or in a way of realizing track motion by gears. Meanwhile, in order to ensure the use feeling and the use effect, people need to consider avoiding the problem of excessive bending and the problem of self-locking of the folding angle.
Disclosure of Invention
The invention aims to provide a folding screen overturning state locking mechanism which can realize self-locking of a folding screen at any folding angle.
The technical scheme for realizing the aim of the invention is as follows: the invention is provided with a fixed seat, a supporting seat, a pull rod, a screw rod and a locking seat; the fixed seat is fixedly connected to the first turnover body, and the supporting seat is arranged on the second turnover body in a sliding manner; the first turnover body is rotationally connected with the second turnover body; 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 second turnover body; the locking seat is provided with a locking hole which can form static friction force with a polished rod part of the screw rod; the support seat is provided with a first ball head cavity and a threaded hole which can be in threaded fit with the threaded part of the screw rod; the fixing seat is provided with a second ball head cavity; the ball heads at the two ends of the pull rod are respectively rotationally clamped in the first ball head cavity and the second ball head cavity; the threaded part of the screw rod is connected with the threaded hole in a matched manner, and the polish rod part of the screw rod is connected with the locking hole in a matched manner.
A limiting seat is also fixedly arranged on the second turnover body; the support seat is positioned between the limiting seat and the locking seat; a limiting groove is formed in the limiting seat; the support seat is provided with a limit head which is correspondingly matched with the limit groove and limits the support seat to continuously slide towards the limit seat.
As an optimal design, the limiting seat comprises a clamping spring seat and a clamping spring; the clamping spring seat is fixedly connected to the second turnover body; two opposite clamping tongues are arranged on the clamping spring seat; a ball-shaped groove is formed between the clamping tongues, and annular clamping grooves are formed outside the two clamping tongues; the limiting head on the supporting seat is a spherical head; the clamping spring is sleeved in the annular clamping groove and used for keeping the closing force between the two clamping tongues; the spherical head can enter or leave the spherical groove after overcoming the closing force of the clamp spring between the two clamping tongues.
As an optimal design, the supporting seat comprises a first sliding block, a connecting rod, a reset spring and a second sliding block; the first sliding block and the second sliding block are both arranged on the second turnover body in a sliding manner and slide along the axis direction of the screw rod; one end of the first sliding block, which is positioned on the limiting seat, is provided with a first ball head cavity and a limiting head; a clamping groove is formed in one end, away from the limiting seat, of the first sliding block; one end of the connecting rod is provided with a clamping head which is 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; the second sliding block is provided with a threaded hole matched with the threaded part of the screw rod.
The second turnover body is provided with a T-shaped groove extending along the axis direction of the screw rod; the support seat 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 optimal design, all be equipped with on first slider and the second slider can with T type groove cooperation joint and guide its gliding draw-in edge along the extending direction in T type groove.
As an optimal design, two first turnover bodies, one second turnover body and two pull rods are arranged; the two first turnover bodies are symmetrically arranged at two sides of the second turnover body; the second turnover body is rotationally connected with the first turnover body; the two first turnover bodies are fixedly provided with fixing seats; two first ball head cavities are symmetrically arranged on the supporting seat; the two pull rods are respectively connected with the first ball head cavity and the second ball head cavity at the corresponding sides in a matched mode.
The invention has the positive effects that: (1) According to the invention, through the cooperation of the polish rod part and the locking hole, the first turnover body can realize self-locking at any angle when being turned over relative to the second turnover body, and a certain holding force is provided; the use feeling of the folding screen is improved.
(2) According to the invention, the limit of the folding angle can be realized through the limit seat, namely, the limit is realized after the folding screen is completely unfolded, so that the damage caused by excessive bending is prevented; and under the complete folding state, the clamping spring in the limiting seat has a certain angle locking force, so that the using effect is improved.
(3) According to the invention, the first sliding block and the second sliding block of the supporting seat are connected through the connecting rod, and can ensure close fit under the action of the return spring, so that the problems of folding idle stroke, abnormal sound and the like caused by the gap between the clamping head and the clamping groove are effectively prevented.
(4) The T-shaped groove is connected with the clamping edge in a clamping way, so that the assembly mode is high in strength.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of a support base of the present invention;
FIG. 3 is a schematic view of a spring seat according to the present invention;
FIG. 4 is a schematic view of a first slider according to the present invention;
Fig. 5 is a schematic structural view of a snap spring in the invention.
Detailed Description
Referring to fig. 1 to 5, the invention has two first turnover bodies 6, one second turnover body 7, two fixing seats 1, a supporting seat 2, two pull rods 3, a screw rod 4, a locking seat 5 and a limiting seat 8; the two first turnover bodies 6 are symmetrically arranged at two sides of the second turnover body 7; the second turnover body 7 is rotatably connected with the first turnover body 6; the two first turnover bodies 6 are fixedly provided with fixing seats 1; both ends of the pull rod 3 are provided with ball heads; the screw rod 4 comprises a threaded part and a polished rod part which are connected into a whole; a second ball head cavity is arranged on the fixed seat 1; the limiting seat 8 is fixedly connected to the second turnover body 7; the supporting seat 2 is positioned between the limiting seat 8 and the locking seat 5.
The supporting seat 2 comprises a first sliding block 22, a connecting rod 23, a return spring 24 and a second sliding block 25; the first sliding block 22 and the second sliding block 25 are both arranged on the second turnover body 7 in a sliding manner and slide along the axis direction of the screw rod; two first ball head cavities and a limiting head are symmetrically arranged at one end of the first sliding block 22, which is positioned at the limiting seat 8; a clamping groove is formed in one end, away from the limiting seat 8, of the first sliding block 22; one end of the connecting rod 23 is provided with a clamping head which is correspondingly clamped with the clamping groove, and the other end of the connecting rod 23 is fixedly connected with the second sliding block 25; the return spring 24 is sleeved on the connecting rod 23, and two ends of the return spring respectively act on the first sliding block 22 and the second sliding block 25; the second slider 25 is provided with a screw hole which is engaged with the screw portion of the screw 4.
The locking seat 5 is fixedly connected to the second turnover body 7; the locking seat 5 is provided with a locking hole which can form static friction force with the polish rod part of the screw rod 4; the ball heads at the two ends of the pull rod 3 are respectively rotationally clamped in a first ball head cavity and a second ball head cavity at the corresponding sides; the threaded part of the screw rod 4 is connected with the threaded hole in a matching way, and the polish rod part of the screw rod 4 is connected with the locking hole in a matching way.
A limiting groove is formed in the limiting seat 8; the support seat 2 is provided with a limiting head which is correspondingly matched with the limiting groove and limits the support seat 2 to continuously slide towards the limiting seat 8.
The limit seat 8 comprises a clamping spring seat 81 and a clamping spring 82; the clamping spring seat 8 is fixedly connected to the second turnover body 7; two opposite clamping tongues 811 are arranged on the clamping spring seat 81; a spherical groove is formed between the clamping tongues 811, and an annular clamping groove 812 is arranged outside the two clamping tongues 811; the limiting head on the supporting seat 2 is a spherical head 21; the clamping spring 82 is sleeved in the annular clamping groove 812 and is used for keeping the closing force between the two clamping tongues 811; the ball head 21 can be moved into and out of the ball groove after overcoming the closing force of the snap spring 82 against the two catches 811.
The second turnover body 7 is provided with a T-shaped groove 71 extending along the axis direction of the screw rod; the first slider 22 and the second slider 25 are respectively provided with a clamping edge which can be matched and clamped with the T-shaped groove 71 and guide the T-shaped groove 71 to slide along the extending direction of the T-shaped groove 71.
The first turnover body 6 and the second turnover body 7 are both support bars and are arranged in parallel, and the two can be connected through a rotating shaft; a plurality of parallel supporting bars can be arranged between the first turnover body 6 and the second turnover body 7, and the supporting bars are rotationally connected through rotary connectors (a hinge and other structures can be adopted). When the first turnover body 6 turns over, other support bars can be driven to turn over in a linkage way.
The working principle of the invention is as follows:
When folding screen is folded and stacked, under the action of external force (the first turnover body is turned over), the pull rod 3 rotates under the action of the ball heads at the two ends of the pull rod, and the first sliding block 22 is driven to slide towards the locking seat 5, the first sliding block 22 drives the second sliding block 25 to slide, the second sliding block 25 drives the screw rod 4 to rotate, and the static friction force is realized between the polished rod part of the screw rod 4 and the locking hole, so that the pull rod 3 can realize self-locking when being folded to any angle, namely, realize self-locking of the folding angle (namely, realize holding of the folding angle at a certain folding angle).
When the folding screen is completely opened, the spherical head 21 can overcome the force of the clamp spring 82 and enter the spherical groove, and the spherical head 21 is limited by the spherical groove, so that the first sliding block 22 is limited to slide towards the limiting seat 8, and a certain unfolding maintaining force is realized under the action of the clamp spring 82 and the action of the locking hole.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (8)
1. Folding screen upset state locking mechanical system, its characterized in that: the device is provided with a fixed seat (1), a supporting seat (2), a pull rod (3), a screw rod (4) and a locking seat (5); the fixing seat (1) is fixedly connected to the first turnover body (6), and the supporting seat (2) is arranged on the second turnover body (7) in a sliding manner; the first turnover body (6) is rotationally connected with the second turnover body (7); both ends of the pull rod (3) are provided with ball heads; the screw rod (4) comprises a thread part and a polish rod part which are connected into a whole; the locking seat (5) is fixedly connected to the second turnover body (7); the locking seat (5) is provided with a locking hole which can form static friction force with a polished rod part of the screw rod (4); the support seat (2) is provided with a first ball head cavity and a threaded hole which can be in threaded fit with the threaded part of the screw rod (4); a second ball head cavity is arranged on the fixed seat (1); the ball heads at the two ends of the pull rod (3) are respectively rotationally clamped in the first ball head cavity and the second ball head cavity; the threaded part of the screw rod (4) is connected with the threaded hole in a matching way, and the polish rod part of the screw rod (4) is connected with the locking hole in a matching way;
A plurality of parallel support bars are arranged between the first turnover body (6) and the second turnover body (7), and the support bars are all connected in a rotating way through rotary connectors.
2. The folding screen flip state locking mechanism of claim 1, wherein: a limiting seat (8) is also fixedly arranged on the second turnover body (7); the supporting seat (2) is positioned between the limiting seat (8) and the locking seat (5); a limiting groove is formed in the limiting seat (8); the support seat (2) is provided with a limiting head which is correspondingly matched with the limiting groove and limits the support seat (2) to continuously slide towards the limiting seat (8).
3. The folding screen flip state locking mechanism of claim 2, wherein: the limiting seat (8) comprises a clamping spring seat (81) and a clamping spring (82); the clamp spring seat (81) is fixedly connected to the second turnover body (7); two opposite clamping tongues (811) are arranged on the clamping spring seat (81); a spherical groove is formed between the clamping tongues (811), and an annular clamping groove (812) is formed outside the two clamping tongues (811); the limiting head on the supporting seat (2) is a spherical head (21); the clamping spring (82) is sleeved in the annular clamping groove (812) and is used for keeping the closing force between the two clamping tongues (811); the ball head (21) can be moved into or out of the ball groove after overcoming the closing force of the snap spring (82) on the two clamping tongues (811).
4. A folding screen flip state locking mechanism according to claim 2 or 3, wherein: the supporting seat (2) comprises a first sliding block (22), a connecting rod (23), a return spring (24) and a second sliding block (25); the first sliding block (22) and the second sliding block (25) are both arranged on the second turnover body (7) in a sliding manner and slide along the axis direction of the screw rod; one end of the first sliding block (22) positioned on the limit seat (8) is provided with a first ball head cavity and a limit head; one end of the first sliding block (22) far away from the limit seat (8) is provided with a clamping groove; one end of the connecting rod (23) is provided with a clamping head which is correspondingly clamped with the clamping groove, and the other end of the connecting rod (23) is fixedly connected with the second sliding block (25); the reset spring (24) is sleeved on the connecting rod (23), and two ends of the reset spring respectively act on the first sliding block (22) and the second sliding block (25); the second sliding block (25) is provided with a threaded hole matched with the threaded part of the screw rod (4).
5. The folding screen flip state locking mechanism of claim 1, wherein: the second turnover body (7) is provided with a T-shaped groove (71) extending along the axis direction of the screw rod; the supporting seat (2) is provided with a clamping edge which can be matched and clamped with the T-shaped groove (71) and guide the T-shaped groove (71) to slide along the extending direction of the T-shaped groove.
6. The folding screen flip state locking mechanism of claim 4, wherein: the second turnover body (7) is provided with a T-shaped groove (71) extending along the axis direction of the screw rod; the first sliding block (22) and the second sliding block (25) are respectively provided with a clamping edge which can be matched and clamped with the T-shaped groove (71) and guide the T-shaped groove (71) to slide along the extending direction of the T-shaped groove.
7. A folding screen flip state locking mechanism according to claim 1 or 2 or 3, wherein: comprises two first turnover bodies (6), one second turnover body (7) and two pull rods (3); the two first turnover bodies (6) are symmetrically arranged at two sides of the second turnover body (7); the two first turnover bodies (6) are fixedly provided with fixing seats (1); two first ball head cavities are symmetrically arranged on the supporting seat (2); the two pull rods (3) are respectively connected with the first ball head cavity and the second ball head cavity at the corresponding sides in a matched mode.
8. The folding screen flip state locking mechanism of claim 4, wherein: comprises two first turnover bodies (6), one second turnover body (7) and two pull rods (3); the two first turnover bodies (6) are symmetrically arranged at two sides of the second turnover body (7); the two first turnover bodies (6) are fixedly provided with fixing seats (1); two first ball head cavities are symmetrically arranged on the supporting seat (2); the two pull rods (3) are respectively connected with the first ball head cavity and the second ball head cavity at the corresponding sides in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911124182.2A CN110701180B (en) | 2019-11-18 | 2019-11-18 | Folding screen overturning state locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911124182.2A CN110701180B (en) | 2019-11-18 | 2019-11-18 | Folding screen overturning state locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110701180A CN110701180A (en) | 2020-01-17 |
| CN110701180B true CN110701180B (en) | 2024-07-09 |
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ID=69206394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911124182.2A Active CN110701180B (en) | 2019-11-18 | 2019-11-18 | Folding screen overturning state locking mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN110701180B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234568B (en) * | 2021-04-25 | 2023-09-19 | 北京小米移动软件有限公司 | Connection module and display terminal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211501290U (en) * | 2019-11-18 | 2020-09-15 | 江苏精研科技股份有限公司 | Folding screen turnover state locking mechanism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102398836B1 (en) * | 2016-01-18 | 2022-05-17 | 엘지전자 주식회사 | Mobile terminal |
| KR101861602B1 (en) * | 2016-07-20 | 2018-05-29 | (주) 프렉코 | Foldable Display Device |
| CN110213409A (en) * | 2019-05-30 | 2019-09-06 | 深圳市长盈精密技术股份有限公司 | Synchronization mechanism, Folding display device and communication apparatus |
| CN110397668B (en) * | 2019-06-14 | 2022-04-01 | 深圳市长盈精密技术股份有限公司 | Transmission assembly with damping function, hinge mechanism and folding display device |
| CN110290248A (en) * | 2019-07-18 | 2019-09-27 | 广东金力变速科技股份有限公司 | A kind of screen collapsible constructions for foldable screen products |
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- 2019-11-18 CN CN201911124182.2A patent/CN110701180B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211501290U (en) * | 2019-11-18 | 2020-09-15 | 江苏精研科技股份有限公司 | Folding screen turnover state locking mechanism |
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| CN110701180A (en) | 2020-01-17 |
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Effective date of registration: 20210416 Address after: No.018, floor 8, building 6, yard 33, middle Xierqi Road, Haidian District, Beijing 100085 Applicant after: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. Address before: 213023 palm Road, Changzhou City, Jiangsu Province, palm Road No. 59 Applicant before: JIANGSU GIAN TECHNOLOGY Co.,Ltd. |
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