CN211574008U - Limiting mechanism for folding angle of foldable screen - Google Patents
Limiting mechanism for folding angle of foldable screen Download PDFInfo
- Publication number
- CN211574008U CN211574008U CN201921131843.XU CN201921131843U CN211574008U CN 211574008 U CN211574008 U CN 211574008U CN 201921131843 U CN201921131843 U CN 201921131843U CN 211574008 U CN211574008 U CN 211574008U
- Authority
- CN
- China
- Prior art keywords
- shell
- gear
- half shaft
- elastic
- limiting 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model relates to the technical field of folding screen products, in particular to a limiting mechanism for the folding angle of a folding screen, which comprises a first shell, a middle shell, a second shell and a linkage component, wherein the first shell and the second shell are both arranged in a rotating way with the middle shell, and the first shell and the second shell are synchronously far away from the rotation or synchronously close to the rotation through the linkage component; the limiting component comprises a limiting block and an elastic stud arranged on the limiting block, the limiting block is provided with a concave hole, the elastic stud comprises a rolling ball and an elastic piece which are positioned in the concave hole, the shell is provided with a concave pit, and the elastic piece drives the rolling ball to extend out of the limiting block and enter the concave pit under the action of elastic force; first casing, second casing drive the both ends of folding screen via the linkage subassembly and are close to in step or keep away from in step for folding screen is buckled or is extended, utilizes the cooperation of spin and pit to make folding screen location at required folding angle, avoids receiving vibrations or unexpected the folding angle that touches and lead to folding screen to change.
Description
Technical Field
The utility model relates to a folding screen product technical field especially discloses a stop gear of folding screen folding angle.
Background
With the development of science and technology, electronic products such as tablet computers and smart phones have gradually become one of the basic tools of people in daily life, and in the use process of the tablet computers and the smart phones, users often need to adjust the screen display angles of the screen computers and the smart phones according to the actual use states, so that electronic products with foldable screens can be produced at the same time.
The structure design of folding screen product among the prior art is unreasonable, receives vibrations or unexpected when touching after folding screen folds required predetermined angle, and the folding angle of folding screen can change, and the folding screen can not stabilize the location at required folding angle, inconvenient use.
Disclosure of Invention
In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a stop gear of collapsible screen folding angle utilizes the cooperation of spin and pit to make the folding screen location at required folding angle, avoids receiving vibrations or unexpected the folding angle that touches and lead to the folding screen to change.
In order to achieve the above object, the utility model discloses a stop gear of folding screen folding angle, including first casing, middle shell, second casing and linkage assembly, first casing, second casing all rotate with the middle shell and set up, first casing, second casing keep away from the rotation synchronously or close to the rotation synchronously via linkage assembly, first casing, second casing connect the both ends of the folding screen of external respectively, middle shell corresponds the middle part of the folding screen that first casing, second casing are connected; still include spacing subassembly, spacing subassembly is including setting up in the stopper of middle shell, setting up in the abrupt post of elasticity of stopper, and the stopper is equipped with the shrinkage pool, and the abrupt post of elasticity is including spin and the elastic component that is located the shrinkage pool, and the casing has the pit, and the elastic component drives the spin under the elastic force effect and stretches out the stopper suddenly and get into in the pit.
Wherein, the quantity of the protruding post of elasticity is a plurality of, and a plurality of protruding posts of elasticity all set up in the stopper, and a plurality of protruding posts of elasticity set up around the axis of rotation of casing and middle shell.
The elastic stud further comprises an adjusting screw, the elastic piece is a spring, two ends of the spring respectively abut against the adjusting screw and the rolling ball, the adjusting screw is connected to the limiting block in a screwed mode and located in the concave hole, and the adjusting screw is used for abutting against the spring to change the elastic acting force of the spring on the rolling ball.
The limiting mechanism comprises a first half shaft and a second half shaft which are rotatably arranged with the middle shell, the first half shaft and the second half shaft are the same in structure, the first shell and the second shell are respectively connected to the first half shaft and the second half shaft, the first half shaft and the second half shaft are both rotatably arranged on the middle shell, and the pits are arranged on the half shafts.
The linkage assembly is positioned between the first half shaft and the second half shaft, the linkage assembly and the limiting assembly are respectively positioned on two sides of the half shafts, arc-shaped inner gear rings are arranged on the sides, close to each other, of the first half shaft and the second half shaft and are arranged around a rotating axis between the half shafts and the middle shell, and the linkage assembly is provided with a first gear meshed with the arc-shaped inner gear rings of the first half shafts and a second gear meshed with the arc-shaped inner gear rings of the second half shafts.
Wherein, the linkage subassembly is still including rotating the transition gear who sets up in the stopper, and the one end of first gear is rotated and is set up in the stopper, and the one end of second gear is rotated and is set up in the stopper, and the other end of first gear, the other end of second gear mesh transition gear respectively.
The half shaft is provided with an arc-shaped guide groove parallel to the arc-shaped inner gear ring, one end of the first gear, far away from the limiting block, and one end of the second gear, far away from the limiting block, extend into the arc-shaped guide groove, and the limiting block is provided with a first through hole for accommodating the first gear and a second through hole for accommodating the second gear.
The limiting block is provided with a first abdicating groove and a second abdicating groove, and the first half shaft and the second half shaft are respectively accommodated in the first abdicating groove and the second abdicating groove.
Has the advantages that: when needs folding screen is folding, first casing, second casing drive the both ends of folding screen via the linkage subassembly and are close to in step or keep away from in step for folding screen is buckled or is extended, utilizes the cooperation of spin and pit to make folding screen location at required folding angle, avoids receiving vibrations or unexpected the folding angle that touches and lead to folding screen to change.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a perspective view of the linkage assembly, the limiting block, the rolling ball, the elastic member and the adjusting screw of the present invention.
Fig. 4 is a perspective view of the half shaft of the present invention.
Fig. 5 is a perspective view of the half shaft of the present invention from another viewing angle.
The reference numerals include:
1-first housing 2-intermediate housing 3-second housing
4-linkage assembly 5-limiting block 6-spin
7-elastic piece 8-pit 9-adjusting screw
11-first half shaft 12-second half shaft 13-arc inner gear ring
14-first gear 15-second gear 16-transition gear
17-arc guide slot 18-first groove of stepping down 19-second groove of stepping down.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
Please refer to fig. 1 to 5, the utility model discloses a stop gear of folding screen folding angle, including first casing 1, middle shell 2, second casing 3 and linkage assembly 4, first casing 1, second casing 3 all rotate with middle shell 2 and set up, first casing 1, second casing 3 keep away from the rotation in step or are close to the rotation in step via linkage assembly 4, first casing 1, second casing 3 connect the left and right sides both ends of external folding screen respectively, middle shell 2 corresponds the middle part of the folding screen that first casing 1, second casing 3 are connected.
Still include spacing subassembly, spacing subassembly is including setting up stopper 5 on middle shell 2, the protruding post of elasticity of setting on stopper 5, stopper 5 can be dismantled with middle shell 2 and be connected, be provided with the shrinkage pool on the stopper 5, the protruding post of elasticity is including spin 6 and the elastic component 7 that is located the shrinkage pool, pit 8 has on the casing, elastic component 7 drives spin 6 under the elastic force effect and stretches out stopper 5 suddenly and enter into pit 8 in, utilize the conflict hindrance power between pit wall and the spin 6 of pit 8 to fix a position folding screen at required folding angle.
When needs folding screen is folding, first casing 1, second casing 3 drive the both ends of folding screen via linkage subassembly 4 and are close to in step or keep away from in step for folding screen buckles or extends, utilizes spin 6 and pit 8's cooperation to make the folding screen location at required folding angle, avoids receiving vibrations or accidental and touches and lead to the folding angle of folding screen to change.
In this embodiment, the quantity of elasticity abrupt post is a plurality of, and a plurality of elasticity abrupt posts all set up on stopper 5, and a plurality of elasticity abrupt posts set up around the rotation axis of casing with middle shell 2, and pit 8 is used for holding spin 6 of establishing an elasticity abrupt post. During the in-service use, casing 2 rotates in the middle of relative, and pivoted casing drives the folding screen folding, and when the folding screen was folded required angle, the spin 6 of the protruding post of elasticity that corresponds stretched into pit 8 in, ensured that the folding screen can stabilize the location at a plurality of required folding angles.
The elastic stud further comprises an adjusting screw 9, the elastic piece 7 is a spring, two ends of the spring respectively abut against the adjusting screw 9 and the rolling ball 6, the adjusting screw 9 is in threaded connection with the limiting block 5 and is located in the concave hole, and the adjusting screw 9 is used for abutting against the spring to change the elastic acting force of the spring on the rolling ball 6.
According to actual needs, a user can rotate the adjusting screw 9, the rotating adjusting screw 9 pushes or loosens the elastic element 7, and then the elastic acting force exerted on the rolling ball 6 by the elastic element 7 is changed, so that the blocking force of the elastic stud on the shell is changed.
The limiting mechanism comprises a first half shaft 11 and a second half shaft 12 which are rotatably arranged with the middle shell 2, the first half shaft 11 and the second half shaft 12 are the same in structure, the half shafts are approximately semi-cylindrical, the first shell 1 and the second shell 3 are respectively connected to the first half shaft 11 and the second half shaft 12, the first half shaft 11 and the second half shaft 12 are rotatably arranged on the middle shell 2, the pits 8 are arranged on the half shafts, and the pits 8 are formed by the concave arrangement of the outer surfaces of the half shafts.
The linkage assembly 4 is located between the first half shaft 11 and the second half shaft 12, the linkage assembly 4 and the limiting assembly are respectively located on the left side and the right side of the half shafts, arc-shaped inner gear rings 13 are arranged on the sides, close to each other, of the first half shaft 11 and the second half shaft 12, the arc-shaped inner gear rings 13 are arranged around the rotating axis between the half shafts and the middle shell 2, and the linkage assembly 4 is provided with a first gear 14 meshed with the arc-shaped inner gear rings 13 of the first half shaft 11 and a second gear 15 meshed with the arc-shaped inner gear rings 13 of the second half shaft 12.
In practical use, when the first casing 1 drives the first half shaft 11 to rotate, the rotating first half shaft 11 drives the first gear 14 to rotate, the first gear 14 drives the second half shaft 12 to rotate via the second gear 15, and then the rotation of the second casing 3 connected with the second half shaft 12 is realized, so that the first casing 1 and the second casing 3 are synchronously close to or synchronously far away from each other.
The linkage assembly 4 further comprises a transition gear 16 rotatably arranged on the limiting block 5, one end of the first gear 14 is rotatably arranged on the limiting block 5, one end of the second gear 15 is rotatably arranged on the limiting block 5, and the other end of the first gear 14 and the other end of the second gear 15 are meshed with the transition gear 16. The meshing transmission via the arcuate ring gear 13 of the first half shaft 11, the first gear 14, the transition gear 16, the second gear 15, and the arcuate ring gear 13 of the second half shaft 12 ensures that the first casing 1, the second casing 3 are rotated closer to or farther from in synchronization.
An arc-shaped guide groove 17 parallel to the arc-shaped inner gear ring 13 is formed in the half shaft, one end, far away from the limiting block 5, of the first gear 14 and one end, far away from the limiting block 5, of the second gear 15 extend into the arc-shaped guide groove 17, and the limiting block 5 is provided with a first through hole for accommodating the first gear 14 and a second through hole for accommodating the second gear 15. The first gear 14 and the second gear 15 are limited by the aid of the inner hole wall of the through hole, the half shaft is limited on the middle shell 2 through the meshing of the first gear 14 and the second gear 15 with the arc-shaped inner gear ring 13, and the half shaft and the middle shell 2 are prevented from being separated from each other.
The limiting block 5 is provided with a first abdicating groove 18 and a second abdicating groove 19, the first half shaft 11 and the second half shaft 12 are respectively accommodated in the first abdicating groove 18 and the second abdicating groove 19, and the half shafts are rapidly and accurately assembled with the middle shell 2 through the arrangement of the abdicating grooves, so that the assembly efficiency of the middle shell 2 and the half shafts is improved.
The above description is only for the preferred embodiment of the present invention, and the present specification should not be construed as limiting the present invention.
Claims (8)
1. A limiting mechanism for the folding angle of a foldable screen comprises a first shell, a middle shell, a second shell and a linkage assembly, wherein the first shell and the second shell are both rotatably arranged with the middle shell, the first shell and the second shell are synchronously far away from or close to the rotation through the linkage assembly, the first shell and the second shell are respectively connected with two ends of an external foldable screen, and the middle shell corresponds to the middle part of the foldable screen connected with the first shell and the second shell; the method is characterized in that: still include spacing subassembly, spacing subassembly is including setting up in the stopper of middle shell, setting up in the abrupt post of elasticity of stopper, and the stopper is equipped with the shrinkage pool, and the abrupt post of elasticity is including spin and the elastic component that is located the shrinkage pool, and the casing has the pit, and the elastic component drives the spin under the elastic force effect and stretches out the stopper suddenly and get into in the pit.
2. The mechanism of claim 1, further comprising: the quantity of the elastic protruding columns is multiple, the elastic protruding columns are arranged on the limiting blocks, and the elastic protruding columns are arranged around the rotation axis of the shell and the middle shell.
3. The mechanism of claim 1, further comprising: the elastic stud further comprises an adjusting screw, the elastic piece is a spring, two ends of the spring respectively abut against the adjusting screw and the rolling ball, the adjusting screw is connected to the limiting block in a screwed mode and located in the concave hole, and the adjusting screw is used for abutting against the spring to change the elastic acting force of the spring on the rolling ball.
4. The mechanism of claim 1, further comprising: the limiting mechanism comprises a first half shaft and a second half shaft which are rotatably arranged with the middle shell, the first half shaft and the second half shaft are the same in structure, the first shell and the second shell are respectively connected to the first half shaft and the second half shaft, the first half shaft and the second half shaft are rotatably arranged on the middle shell, and the pits are formed in the half shafts.
5. The mechanism of claim 4, wherein the mechanism further comprises: the linkage assembly is located between the first half shaft and the second half shaft, the linkage assembly and the limiting assembly are located on two sides of the half shafts respectively, arc-shaped inner gear rings are arranged on one sides, close to each other, of the first half shaft and the second half shaft and are arranged around a rotating axis between the half shafts and the middle shell, and the linkage assembly is provided with a first gear meshed with the arc-shaped inner gear rings of the first half shafts and a second gear meshed with the arc-shaped inner gear rings of the second half shafts.
6. The mechanism of claim 5, wherein: the linkage assembly further comprises a transition gear which is rotatably arranged on the limiting block, one end of the first gear is rotatably arranged on the limiting block, one end of the second gear is rotatably arranged on the limiting block, and the other end of the first gear and the other end of the second gear are respectively meshed with the transition gear.
7. The mechanism of claim 5, wherein: the semi-axis is equipped with the arc guide slot parallel with arc ring gear, and the one end that the stopper was kept away from to first gear, the one end that the stopper was kept away from to the second gear all stretch into in the arc guide slot, and the stopper is equipped with holds the first perforation of establishing first gear, holds the second perforation of establishing the second gear.
8. The mechanism of claim 4, wherein the mechanism further comprises: the limiting block is provided with a first abdicating groove and a second abdicating groove, and the first half shaft and the second half shaft are respectively accommodated in the first abdicating groove and the second abdicating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131843.XU CN211574008U (en) | 2019-07-18 | 2019-07-18 | Limiting mechanism for folding angle of foldable screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131843.XU CN211574008U (en) | 2019-07-18 | 2019-07-18 | Limiting mechanism for folding angle of foldable screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211574008U true CN211574008U (en) | 2020-09-25 |
Family
ID=72523032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921131843.XU Expired - Fee Related CN211574008U (en) | 2019-07-18 | 2019-07-18 | Limiting mechanism for folding angle of foldable screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211574008U (en) |
-
2019
- 2019-07-18 CN CN201921131843.XU patent/CN211574008U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP4354834A1 (en) | Folding mechanism and electronic device | |
| DE102013110572B4 (en) | Electronic device | |
| TWI516196B (en) | Two-shaft hinge and terminal apparatus using the same | |
| TW202033893A (en) | Dual-shaft hinge module and portable electronic device | |
| EP3177976A1 (en) | Multiple axis hinge assembly for folding electronic device | |
| TWM538309U (en) | Hinge device | |
| CN209881841U (en) | Slide synchronous driving mechanism of foldable screen product | |
| TWM584377U (en) | A hinge module for the foldable type device | |
| CN211574008U (en) | Limiting mechanism for folding angle of foldable screen | |
| CN209881840U (en) | Damping type limiting mechanism of foldable screen product | |
| CN111083254A (en) | Intelligent device convenient to fold | |
| CN210015402U (en) | Double-screen type foldable structure | |
| CN211016292U (en) | Free stop type hinge structure of folding display equipment and folding display equipment | |
| CN116708613B (en) | Foldable mechanism and foldable terminal | |
| CN210351882U (en) | Cam jacking mechanism of foldable screen product | |
| CN211574013U (en) | Internal and external tooth meshing structure capable of realizing folding of folding screen product | |
| CN111720427A (en) | Double-screen pivot device | |
| CN215769526U (en) | Rotating shaft structure and folding electronic equipment | |
| CN215344643U (en) | Pivot structure for folding screen of cell-phone convenient to installation | |
| CN212377100U (en) | Double-screen pivot device | |
| TWI751754B (en) | Hinge structure | |
| WO2023213079A1 (en) | Electronic device | |
| KR100608551B1 (en) | Swing hinge structure of mobile communication terminal | |
| CN111292624A (en) | Folding mechanism of electronic equipment and electronic equipment | |
| CN210599831U (en) | Rotating shaft mechanism and folding equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 Termination date: 20210718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |