CN211501290U - Folding screen turnover state locking mechanism - Google Patents
Folding screen turnover state locking mechanism Download PDFInfo
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- CN211501290U CN211501290U CN201921982702.9U CN201921982702U CN211501290U CN 211501290 U CN211501290 U CN 211501290U CN 201921982702 U CN201921982702 U CN 201921982702U CN 211501290 U CN211501290 U CN 211501290U
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Abstract
The utility model relates to a folding screen turnover 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 mode; 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 with the 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; a second ball head cavity is arranged on the fixed seat; the ball heads at the two ends of the pull rod are respectively rotatably clamped in the first ball head cavity and the second ball head cavity; the screw thread part of the screw rod is matched and connected with the threaded hole, and the polished rod part of the screw rod is matched and connected with the locking hole. The utility model discloses can realize the auto-lock at arbitrary angle when can letting folding screen overturn, effectively promote and use the impression.
Description
Technical Field
The utility model relates to a folding screen mechanism, in particular to folding screen upset state locking mechanical system.
Background
With the continuous development of the mobile internet era, consumers pay more and more attention to the functions and appearances of electronic products. With the continuous development of the soft screen technology, the field of mobile phones has started to gradually use the soft screen technology. Through the soft screen, the folding of screen can be realized to make the cell-phone have the effect of panel computer concurrently.
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. Simultaneously, in order to guarantee to use impression and result of use, people need consider the problem of avoiding excessively bending promptly, need consider the problem of folding angle auto-lock moreover.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a folding screen upset state locking mechanical system, this mechanism can realize the auto-lock of folding screen at arbitrary folding angle.
Realize the utility model discloses the technical scheme of purpose is: the utility model 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 mode; 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 with the 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; a second ball head cavity is arranged on the fixed seat; the ball heads at the two ends of the pull rod are respectively rotatably clamped in the first ball head cavity and the second ball head cavity; the screw thread part of the screw rod is matched and connected with the threaded hole, and the polished rod part of the screw rod is matched and connected with the locking hole.
The second turnover body is also fixedly provided with a limiting seat; 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.
As an optimized design, the limiting seat comprises a clamp spring seat and a clamp spring; the clamp spring seat is fixedly connected to the second turnover body; 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 spherical head; the clamp spring is sleeved in the annular clamp groove and used for keeping the closing force between the two clamp tongues; the spherical 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 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 second turnover body in a sliding mode and slide along the axial direction of the screw rod; a first ball head cavity and a limiting head are 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 second turnover body is provided with a T-shaped groove extending along the axial direction of the screw rod; 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 design, the first sliding block and the second sliding block are respectively provided with a clamping edge which can be matched and clamped with the T-shaped groove and can guide the T-shaped groove to slide along the extending direction of the T-shaped groove.
As an optimized 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 respectively fixedly provided with a fixed seat; 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 on the corresponding sides in a matched mode.
The utility model discloses has positive effect: (1) the utility model can realize self-locking at any angle when the first turnover body turns over relative to the second turnover body through the matching of the polished rod part and the locking hole, and has certain holding power; the use feeling of the folding screen is improved.
(2) The utility model can realize the limit of the folding angle through the limit seat, namely, the limit is realized after the folding screen is completely opened, thereby preventing the damage caused by excessive bending; 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.
(3) The utility model discloses the first slider and the second slider of well supporting seat pass through the connecting rod and connect to can guarantee to closely cooperate under the reset spring effect, effectively prevent folding idle stroke and abnormal sound scheduling problem because of dop and the clearance of draw-in groove causes.
(4) The utility model discloses a joint on T type groove and card limit, its assembled mode intensity is good.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the support base of the present invention;
fig. 3 is a schematic structural view of a clamp spring seat of the present invention;
fig. 4 is a schematic structural diagram of a first slide block in the present invention;
fig. 5 is a schematic structural diagram of the middle clamp spring of the present invention.
Detailed Description
Referring to fig. 1 to 5, the utility model has two first turnover bodies 6, one second turnover body 7, two fixed seats 1, a supporting seat 2, two pull rods 3, a lead screw 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 rotationally connected with the first turnover body 6; the two first turnover bodies 6 are respectively and fixedly provided with a fixed seat 1; both ends of the pull rod 3 are provided with ball heads; the screw rod 4 comprises a thread 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 mode and slide along the axial 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 on the limiting seat 8; one end of the first sliding block 22 far away from the limiting seat 8 is provided with a clamping groove; one end of the connecting rod 23 is provided with a clamping head 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 threaded hole matched with the threaded part of the screw rod 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 with the polished rod part of the screw rod 4; the ball heads at two ends of the pull rod 3 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 4 is matched and connected with the threaded hole, and the polished rod part of the screw rod 4 is matched and connected with the locking hole.
A limiting groove is formed in the limiting seat 8; the supporting seat 2 is provided with a limiting head which is correspondingly matched with the limiting groove and limits the supporting seat 2 to continuously slide towards the limiting seat 8.
The limiting seat 8 comprises a clamp spring seat 81 and a clamp spring 82; the clamp spring seat 81 is fixedly connected to the second turnover body 7; two clamping tongues 811 which are oppositely arranged are arranged on the clamping spring seat 81; a spherical groove is formed between the two clamping tongues 811, and annular clamping grooves 812 are formed outside the two clamping tongues 811; the limiting head on the supporting seat 2 is a spherical head 21; the clamp spring 82 is sleeved in the annular clamp groove 812 and used for keeping a closing force between the two clamp tongues 811; the spherical head 21 can enter or leave the spherical groove after overcoming the closing force of the circlip 82 between the two locking tongues 811.
A T-shaped groove 71 extending along the axial direction of the screw shaft is arranged on the second turnover body 7; 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.
The first turnover body 6 and the second turnover body 7 are both support bars and are arranged in parallel, and the first turnover body and the second turnover body can be connected through a rotating shaft; a plurality of support bars arranged in parallel can be arranged between the first turnover body 6 and the second turnover body 7, and the support bars are rotatably connected through rotating connecting pieces (structures such as hinges can be adopted). When the first turnover body 6 is turned over, other supporting strips can be driven to be linked and turned over.
The working principle of the utility model is as follows:
when folding the screen and folding and piling up, under the exogenic action (turn over a first book body), pull rod 3 takes place the rotation under the bulb effect at its both ends to make first slider 22 slide to the direction of locking seat 5, first slider 22 is driving second slider 25 and is sliding, second slider 25 drives lead screw 4 and rotates, because the polished rod portion and the locking hole realization stiction of lead screw 4, consequently pull rod 3 can realize the auto-lock when folding arbitrary angle, realizes folding angle auto-lock promptly (realizes folding angle at certain folding angle and keeps promptly).
After the folding screen is completely opened, the spherical head 21 can overcome the force of the clamp spring 82 to enter the spherical groove, and the spherical head 21 can be limited by the spherical groove, so that the first sliding block 22 is limited to continuously slide towards the limiting seat 8, and certain unfolding retaining force is realized under the action of the clamp spring 82 and the action of the locking hole.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present 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 fixed 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 threaded part and a polished 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 with the polished rod part of the screw rod (4); the supporting 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 rotatably clamped in the first ball head cavity and the second ball head cavity; the threaded part of the screw rod (4) is matched and connected with the threaded hole, and the polished rod part of the screw rod (4) is matched and connected with the locking hole.
2. The flip state locking mechanism for a folding screen according to claim 1, wherein: a limiting seat (8) is further 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 supporting seat (2) is provided with a limiting head which is correspondingly matched with the limiting groove and limits the supporting seat (2) to continuously slide towards the limiting seat (8).
3. The flip state locking mechanism for a folding screen according to claim 2, wherein: the limiting seat (8) comprises a clamp spring seat (81) and a clamp spring (82); the clamp spring seat (81) is fixedly connected to the second turnover body (7); two clamping tongues (811) which are oppositely arranged are arranged on the clamping spring seat (81); a spherical groove is formed between the clamping tongues (811), and annular clamping grooves (812) are formed outside the two clamping tongues (811); the limiting head on the supporting seat (2) is a spherical head (21); the clamp spring (82) is sleeved in the annular clamp groove (812) and used for keeping the closing force between the two clamp tongues (811); the spherical head (21) can enter or leave the spherical groove after overcoming the closing force of the clamp spring (82) between the two clamp tongues (811).
4. The flip-state locking mechanism for a folding screen 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 arranged on the second turnover body (7) in a sliding mode and slide along the axial direction of the screw rod; a first ball head cavity and a limiting head are arranged at one end, positioned on the limiting seat (8), of the first sliding block (22); a clamping groove is formed in one end, far 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 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 flip state locking mechanism for a folding screen according to claim 1, wherein: a T-shaped groove (71) extending along the axial direction of the screw shaft is arranged on the second turnover body (7); the support 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 to slide along the extending direction of the T-shaped groove (71).
6. The flip state locking mechanism for a folding screen of claim 4, wherein: a T-shaped groove (71) extending along the axial direction of the screw shaft is arranged on the second turnover body (7); 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 to slide along the extending direction of the T-shaped groove (71).
7. A flip state locking mechanism for a folding screen according to claim 1, 2 or 3, wherein: the folding device is provided with two first folding bodies (6), one second folding 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 second turnover body (7) is rotationally connected with the first turnover body (6); the two first turnover bodies (6) are respectively and fixedly provided with a fixed seat (1); two first ball head cavities are symmetrically arranged on the supporting seat (2); the two pull rods (3) are respectively matched and connected with the first ball head cavity and the second ball head cavity on the corresponding sides.
8. The flip state locking mechanism for a folding screen of claim 4, wherein: the folding device is provided with two first folding bodies (6), one second folding 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 second turnover body (7) is rotationally connected with the first turnover body (6); the two first turnover bodies (6) are respectively and fixedly provided with a fixed seat (1); two first ball head cavities are symmetrically arranged on the supporting seat (2); the two pull rods (3) are respectively matched and connected with the first ball head cavity and the second ball head cavity on the corresponding sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982702.9U CN211501290U (en) | 2019-11-18 | 2019-11-18 | Folding screen turnover state locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982702.9U CN211501290U (en) | 2019-11-18 | 2019-11-18 | Folding screen turnover state locking mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN211501290U true CN211501290U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921982702.9U Active CN211501290U (en) | 2019-11-18 | 2019-11-18 | Folding screen turnover state locking mechanism |
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| CN (1) | CN211501290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701180A (en) * | 2019-11-18 | 2020-01-17 | 江苏精研科技股份有限公司 | Folding screen turnover state locking mechanism |
-
2019
- 2019-11-18 CN CN201921982702.9U patent/CN211501290U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701180A (en) * | 2019-11-18 | 2020-01-17 | 江苏精研科技股份有限公司 | Folding screen turnover state locking mechanism |
| CN110701180B (en) * | 2019-11-18 | 2024-07-09 | 北京小米移动软件有限公司 | Folding screen overturning state locking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210422 Address after: No.018, floor 8, building 6, yard 33, middle Xierqi Road, Haidian District, Beijing 100085 Patentee after: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. Address before: 213023 palm Road, Changzhou City, Jiangsu Province, palm Road No. 59 Patentee before: JIANGSU GIAN TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |