CN111810522B - Multi-mode opening and closing drop-shaped inner folding mechanism - Google Patents
Multi-mode opening and closing drop-shaped inner folding mechanism Download PDFInfo
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- CN111810522B CN111810522B CN202010634307.2A CN202010634307A CN111810522B CN 111810522 B CN111810522 B CN 111810522B CN 202010634307 A CN202010634307 A CN 202010634307A CN 111810522 B CN111810522 B CN 111810522B
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- movable block
- opening
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- sliding
- rotating shaft
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- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000004806 packaging method and process Methods 0.000 claims description 18
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 11
- 238000005452 bending Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
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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
- F16C11/10—Arrangements for locking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a multi-mode opening and closing drop-shaped inward folding rotating mechanism, wherein two ends of a rotating shaft cover are provided with rotating shafts, the rotating shafts are single-spring opening or double-lock opening and closing rotating shafts, two ends of the rotating shaft cover are respectively provided with a strip-shaped groove and a connecting column which are in sliding connection with the rotating shafts, the first movable block and the second movable block are respectively provided with an outer connecting column, a semicircular arc groove, an outer sliding groove and an inner sliding groove, and the first gear shaft and the second gear shaft are respectively provided with a concave wheel and a gear connecting rod; the middle movable block is provided with a pillar connecting rod and a middle sliding chute, the outer side connecting pillar is in sliding connection with the strip-shaped groove, the semicircular groove is in sliding connection with the gear connecting rod, and the inner sliding groove is in sliding connection with the pillar connecting rod; the concave wheel and the cam are meshed through the tooth shape and generate elasticity and torsion through the spring to realize 0 degree and 180 degree state clamping points and self-locking, the concave wheel and the cam automatically spring to 180 degree flattening state after being opened at 0 degree, the concave wheel and the cam realize the function adjustment of single-opening and ejecting of the rotating shaft and double-lock opening and closing through the change of the tooth shape meshing angle, and the double-lock opening and closing selects one of spring opening and closing.
Description
Technical Field
The invention relates to the technical field of rotating shaft design, in particular to an inward-folding connecting shaft, and particularly relates to a water drop-shaped inward-folding rotating mechanism capable of being opened and closed in multiple modes.
Background
Folding screen refers to flexible OLED. The production of the folding screen is not only greatly beneficial to the manufacture of new generation high-end smart phones, but also has profound effects on the application of wearable equipment due to the low power consumption and the flexible characteristic of the folding screen, and the folding screen is widely applied along with the continuous penetration of personal intelligent terminals in the future. Folding screen handsets are those that employ a flexible, flexible screen because they resemble a scroll, also known as a scroll handset. Compared with the traditional screen, the folding screen has obvious advantages, is lighter in size and lighter in power consumption, is lower than the original device, is favorable for improving the endurance capacity of equipment, and is also higher than the traditional screen greatly in durability based on the characteristics of being bendable and good in flexibility, so that the probability of accidental damage of the equipment is reduced.
In order to realize the folding function of the folding screen, besides the screen, the design of a connecting shaft of a folding connecting assembly, namely a bending part, is also the biggest technical problem. Considering the specificity of folding screen, traditional pivot has not had to satisfy its functional requirement, needs special folding screen pivot to assist the realization, and folding screen is bent and is divided into two kinds of demands of bending of outer book and outer book according to the application demand, and the mechanism of bending of inner book its requirement is higher. Especially considering to use with flexible screen combination, flexible screen has its specificity, and the industrialization processing of pivot itself also has certain degree of difficulty, and the precision requirement of its accessory is high, how to simplify the processing degree of difficulty just can realize industrialization when satisfying flexible screen application.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a drop-shaped inward folding rotating mechanism with multiple modes for opening and closing.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The multi-mode opening and closing drop-shaped inward folding rotating mechanism comprises a structural main body, wherein the structural main body comprises a rotating shaft cover and a first packaging plate and a second packaging plate which are bilaterally symmetrical, rotating shafts are arranged at two ends of the rotating shaft cover, the rotating shafts are single-spring opening or double-lock opening and closing rotating shafts, strip-shaped grooves and connecting columns which are in sliding connection with the rotating shafts are respectively arranged at two ends of the rotating shaft cover, the rotating shafts comprise a connecting positioning movable block at two ends and a first movable block and a second movable block which are bilaterally symmetrical, a synchronous rotating mechanism is arranged between the connecting positioning movable blocks, the synchronous rotating mechanism comprises a cam, a first gear shaft, a second gear shaft and a bilaterally symmetrical middle movable block, an outer connecting column, a semicircular groove, an outer sliding groove and an inner sliding groove are respectively arranged on the first movable block and the second movable block, and concave wheels and gear connecting rods are respectively arranged on the first gear shaft and the second gear shaft; the middle movable block is provided with a pillar connecting rod and a middle sliding chute, the outer connecting pillar is in sliding connection with the strip-shaped groove, the semicircular groove is in sliding connection with the gear connecting rod, and the inner sliding chute is in sliding connection with the pillar connecting rod; the spring is sleeved on the first gear shaft and the second gear shaft, the concave wheel is meshed with the cam through a tooth form, elastic force and torsion are generated through the spring, the clamping point and the self-locking function in the state of 0 degree and 180 degrees are achieved, the condition that the concave wheel automatically bounces to the flattened state of 180 degrees after the concave wheel is opened by 0 degree is met, the function adjustment of single-opening ejection and double-lock opening and closing of the rotating shaft is achieved through the change of the tooth form meshing angle of the concave wheel and the cam, and the double-lock opening and closing are selected to bounce or close.
Particularly, the semicircular arc tube positions of the first movable block and the second movable block are connected to realize the compensation function of the screen unfolding state.
Particularly, gears are arranged on the first gear shaft and the second gear shaft to realize 0-180-degree synchronous rotation.
Particularly, a packaging connecting column is arranged on the first packaging plate, the first packaging plate and the second packaging plate are connected in a semicircular tube position, and the packaging connecting column is in sliding connection with the middle sliding groove to realize the compensation function of the screen unfolding state.
Particularly, the rotating shaft is a combined rotating shaft, a plurality of groups of flat gaskets and connecting plates which are used for realizing connection and positioning and generating damping and torsion are arranged between the cam and the spring, the rotating shaft is stopped at any angle in the rotating process, an up-and-down sliding block is arranged between the first movable block and the second movable block, a guide connecting column is arranged on the first movable block and the second movable block, a connecting hole is arranged on the up-and-down sliding block, an up-and-down sliding groove is arranged on the rotating shaft cover, and the up-and-down sliding block slides up and down in the up-and-down sliding groove.
In particular, the structural main body comprises a cover plate in the middle and a casing with two sides symmetrically distributed, and the cover plate and the casing form a three-plate structure.
In particular, the structural body comprises a plurality of groups of screws which are fixedly connected.
The invention has the beneficial effects that: according to the multi-mode opening and closing drop-shaped inner turning mechanism provided by the invention, the concave wheel and the cam are meshed through the tooth shape and generate elasticity and torsion through the spring to realize the 0 degree state clamping point, the 180 degree state clamping point and the self-locking function, the automatic spring opening to the 180 degree flattening state after the 0 degree opening is met, the concave wheel and the cam realize the functional adjustment of single-opening and double-locking opening and closing of the rotating shaft through the change of the tooth shape meshing angle, the double-locking opening and closing select one of spring opening or closing, the damping torsion requirement is met, the compensation buffering during screen stretching is reasonably made in the bending process, the integral structural design is realized, the sliding groove sliding is completed through the integral design of the packaging and the sliding block, the connection positioning and synchronous rotation are effectively realized, the integral structural design is simpler and more effective, the processing difficulty of spare parts is reduced through the broadside design, the integral design meets the service life requirement, and the folding screen rotation requirement is met.
Drawings
FIG. 1 is a 180 degree overall block diagram of a multi-mode open-close drop shaped internal turning mechanism of the present invention.
FIG. 2 is a 0-degree overall structure diagram of the multi-mode opening and closing drop-shaped internal turning mechanism of the present invention.
Fig. 3 is a 90-degree overall structure diagram of the multi-mode opening and closing drop-shaped internal turning mechanism of the invention.
Fig. 4 is an exploded view of a multi-mode open-close drop-shaped inner turn-around mechanism of the present invention.
FIG. 5 is a diagram showing one of the structure of the rotating shaft in the multi-mode opening and closing drop-shaped inner turning mechanism according to the present invention.
FIG. 6 is a diagram showing a second structure of the rotating shaft of the multi-mode opening/closing drop-shaped inner turning mechanism according to the present invention.
FIG. 7 is an exploded view of one of the shafts of the multi-mode opening and closing drop-shaped inner turning mechanism of the present invention.
FIG. 8 is a second exploded view of the shaft of the multi-mode opening and closing drop-shaped inner turning mechanism of the present invention.
FIG. 9 is a block diagram of a multi-mode opening and closing drop-shaped internal turning mechanism according to the present invention.
FIG. 10 is a second embodiment of a multi-mode opening and closing drop-shaped internal turning mechanism according to the present invention.
FIG. 11 is a diagram of the gear shaft of the multi-mode opening and closing drop-shaped inner fold rotary mechanism of the present invention.
FIG. 12 is a diagram showing the construction of one of the gear covers of the multi-mode opening and closing drop-shaped inside-folding rotary mechanism according to the present invention.
FIG. 13 is a second diagram of the gear cover structure of the multi-mode opening and closing drop-shaped inner fold rotary mechanism of the present invention.
Fig. 14 is a diagram showing the construction of a second movable block in the multi-mode opening and closing drop-shaped inner folding rotary mechanism according to the present invention.
Fig. 15 is a diagram showing the construction of the middle movable block of the multi-mode opening and closing drop-shaped inner folding rotary mechanism according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings of the specification:
Example 1:
As shown in fig. 1-15, the multi-mode open-close drop-shaped inner folding rotating mechanism disclosed in this embodiment includes a structural main body 1, the structural main body 1 includes a rotating shaft cover 2, a first package board 3 and a second package board 4 which are bilaterally symmetrical, two ends of the rotating shaft cover 2 are provided with rotating shafts 5, the rotating shafts 5 are single-spring open or double-lock open-close rotating shafts, two ends of the rotating shaft cover 2 are respectively provided with a bar-shaped groove 6 and a connecting column 7 which are in sliding connection with the rotating shafts 5, the rotating shafts 5 include a first movable block 9 and a second movable block 10 which are connected with two ends and are symmetrically distributed, a synchronous rotating mechanism is arranged between the first movable block 9 and the second movable block 10, the synchronous rotating mechanism includes a cam 23, a first gear shaft 11, a second gear shaft 12 and a bilaterally symmetrical middle movable block 13, the first movable block 9 and the second movable block 10 are respectively provided with an outer connecting column 14, a semicircular arc groove 15, an outer sliding groove 16 and an inner sliding groove 17, and a concave wheel 18 and a gear 19 are respectively arranged on the first gear shaft 11 and the second gear shaft 12; the middle movable block 13 is provided with a pillar connecting rod 20 and a middle sliding chute 21, the outer connecting pillar 14 is in sliding connection with the bar-shaped groove 6, the semicircular arc groove 15 is in sliding connection with the gear connecting rod 19, and the inner sliding chute 17 is in sliding connection with the pillar connecting rod 20; the first gear shaft 11 and the second gear shaft 12 are sleeved with the springs 22, the concave wheels 18 are meshed with the cams 23 through tooth shapes, elastic force and torsion are generated through the springs 22, the clamping point and the self-locking function in the state of 0 degree and 180 degrees are achieved, the condition that the concave wheels 18 and the cams 23 automatically spring to the flattened state of 180 degrees after the concave wheels are opened by 0 degree is met, the function adjustment of single-opening ejection and double-lock opening and closing of the rotating shaft is achieved through the change of tooth shape meshing angles, and the double-lock opening and closing are selected to be one of spring opening and closing.
The applicant states that, on the basis of the above examples, the combination of certain steps of the above examples with the technical solutions of the summary section, thus creating a new method, which is also one of the described ranges of the present application, the present application is for brevity of description and no further embodiments of these steps are listed.
In the above embodiment, the semicircular tube positions of the first movable block 9 and the second movable block 10 are connected to realize the compensation function of the screen unfolding state. The first gear shaft 11 and the second gear shaft 12 are provided with gears 24 to realize 0-180-degree synchronous rotation. The first packaging plate 3 is provided with a packaging connecting column 25, the first packaging plate 3 and the second packaging plate 4 are connected in a semicircular tube position, and the packaging connecting column 25 is in sliding connection with the middle sliding groove 21 to realize the compensation function of the screen unfolding state. The rotating shaft 5 is a combined rotating shaft, a plurality of groups of flat gaskets 26 and connecting plates 27 which are used for realizing connection and positioning and generating damping and torsion are arranged between the cam 23 and the spring 22, the purpose that the rotating shaft 5 stays at any angle in the rotating process is achieved, an up-and-down sliding block 28 is arranged between the first movable block 9 and the second movable block 10, guide connecting columns 29 are arranged on the first movable block 9 and the second movable block 10, connecting holes 30 are arranged on the up-and-down sliding block 28, an up-and-down sliding groove 31 is arranged on the rotating shaft cover 2, and the up-and-down sliding block 28 slides up and down in the up-and-down sliding groove 31. The structural main body 1 comprises a cover plate 32 in the middle and a casing 33 symmetrically distributed on two sides, and the cover plate 32 and the casing 33 form a three-plate structure. The structural body 1 comprises a plurality of groups of screws 34 which are fixedly connected.
In the embodiment, the combined rotating shaft meets the functions of double synchronization, random stopping, single spring and double lock.
The applicant has further stated that the present invention is described by the above examples as to the implementation method and apparatus structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it does not mean that the present invention must be implemented by the above methods and structures. It should be apparent to those skilled in the art that any modification of the present invention, equivalent substitutions for the implementation method selected by the present invention, addition of steps, selection of specific modes, etc., fall within the scope of the present invention and the scope of the disclosure.
The technical principle of the embodiment is as follows:
Three plate type structural design directly pulls under the middle frame cover screen, reduce the encapsulation design, and effective protection screen, divide sliding tray in the movable block, the locating hole, multiunit slip post realizes 0 degrees-180 degrees pivoted effective combination and realizes sliding and synchronous rotation and accomplish the requirement of invaginating, effectively realize the combination and connect and fix a position, satisfy damping torsion demand, the compensation buffering when the screen is tensile is rationally made in the in-process of bending, integrated structural design, accomplish the spout through encapsulation and slider integrated design and slide, effectively realize connecting location and synchronous rotation, integrated structural design is simpler effective, satisfy folding screen rotation demand.
The foregoing description is only illustrative of the preferred embodiments of the invention and is not intended to limit the scope of the invention, so that equivalent changes or modifications to the constructions, features and principles of the invention described herein will be made by those ordinarily skilled in the art without departing from the spirit of the invention.
Claims (3)
1. The utility model provides a drop shape invagination slewing mechanism that multimode opened and shut which characterized in that: the structure comprises a structure main body, wherein the structure main body comprises a rotating shaft cover and a first packaging plate and a second packaging plate which are axisymmetric to each other, rotating shafts are arranged at two ends of the rotating shaft cover, the rotating shafts are single-spring-opening or double-lock opening and closing type rotating shafts, strip-shaped grooves and connecting columns which are in sliding connection with the rotating shafts are respectively arranged at two ends of the rotating shaft cover, the rotating shafts comprise a connecting positioning movable block at two ends and a first movable block and a second movable block which are bilaterally symmetrically distributed, a synchronous rotating mechanism is arranged between the connecting positioning movable blocks, the synchronous rotating mechanism comprises a cam, a first gear shaft, a second gear shaft and a bilaterally symmetric middle movable block, outer connecting columns, semicircular grooves, outer sliding grooves and inner sliding grooves are respectively arranged on the first movable block and the second movable block, and concave wheels and gear connecting rods are respectively arranged on the first gear shaft and the second gear shaft; the middle movable block is provided with a pillar connecting rod and a middle sliding chute, the outer connecting pillar is in sliding connection with the strip-shaped groove, the semicircular groove is in sliding connection with the gear connecting rod, and the inner sliding chute is in sliding connection with the pillar connecting rod; springs are sleeved on the first gear shaft and the second gear shaft, the concave wheel is meshed with the cam through tooth shapes, elastic force and torsion are generated through the springs to achieve 0-degree and 180-degree state clamping points and self-locking functions, the condition that the concave wheel automatically bounces to a 180-degree flattening state after 0-degree opening is achieved, and the concave wheel and the cam achieve functional adjustment of single-opening ejection and double-lock opening and closing of the rotating shaft through the change of tooth shape meshing angles;
The rotating shaft is a combined rotating shaft, a plurality of groups of flat gaskets and connecting plates which are used for realizing connection and positioning and generating damping and torsion are arranged between the cam and the spring, so that the rotating shaft can stay at any angle in the rotating process, an upper sliding block and a lower sliding block are arranged between the first movable block and the second movable block, guide connecting columns are arranged on the first movable block and the second movable block, connecting holes are formed in the upper sliding block and the lower sliding block, an upper sliding groove and a lower sliding groove are formed in the rotating shaft cover, and the upper sliding block and the lower sliding block slide up and down in the upper sliding groove and the lower sliding groove;
the structure main body comprises a cover plate in the middle and a casing symmetrically distributed on two sides, the cover plate and the casing form a three-plate structure, and the structure main body comprises a plurality of groups of screws which are fixedly connected.
2. The multi-mode opening and closing drop fold rotary mechanism of claim 1, wherein:
The first gear shaft and the second gear shaft are provided with gears to realize 0-180-degree synchronous rotation.
3. The multi-mode opening and closing drop fold rotary mechanism of claim 1, wherein:
And the first packaging plate is provided with a packaging connecting column, and the packaging connecting column is in sliding connection with the middle sliding chute to realize the compensation function of the screen unfolding state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010634307.2A CN111810522B (en) | 2020-07-02 | 2020-07-02 | Multi-mode opening and closing drop-shaped inner folding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010634307.2A CN111810522B (en) | 2020-07-02 | 2020-07-02 | Multi-mode opening and closing drop-shaped inner folding mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111810522A CN111810522A (en) | 2020-10-23 |
| CN111810522B true CN111810522B (en) | 2024-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010634307.2A Active CN111810522B (en) | 2020-07-02 | 2020-07-02 | Multi-mode opening and closing drop-shaped inner folding mechanism |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412961B (en) * | 2020-11-23 | 2024-06-04 | 东莞市劲丰电子有限公司 | Arc inner turning mechanism |
| CN214063552U (en) * | 2020-12-15 | 2021-08-27 | 合肥维信诺科技有限公司 | A bending unit, hinge and flexible module bending device |
| CN114962436B (en) * | 2022-05-31 | 2023-04-28 | 深圳市长盈精密技术股份有限公司 | Folding device |
| CN114893494B (en) * | 2022-07-12 | 2022-11-11 | 荣耀终端有限公司 | Damping mechanism and terminal |
| CN116095210A (en) * | 2023-02-08 | 2023-05-09 | 安徽华创智能有限公司 | A drop-shaped structure for inward folding of mobile phone screens |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212509199U (en) * | 2020-07-02 | 2021-02-09 | 东莞市劲丰电子有限公司 | Multi-mode opening and closing water drop-shaped inward-folding rotating mechanism |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7011469B2 (en) * | 2001-02-07 | 2006-03-14 | R. Sanderson Management, Inc. | Piston joint |
| JP3123415U (en) * | 2006-05-02 | 2006-07-20 | 呉 松村 | Rotating shaft structure of floor side protection fence |
| CN110566570A (en) * | 2019-07-16 | 2019-12-13 | 东莞市劲丰电子有限公司 | Polygonal sampling connecting rod type outward-folding rotating mechanism |
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2020
- 2020-07-02 CN CN202010634307.2A patent/CN111810522B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212509199U (en) * | 2020-07-02 | 2021-02-09 | 东莞市劲丰电子有限公司 | Multi-mode opening and closing water drop-shaped inward-folding rotating mechanism |
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| CN111810522A (en) | 2020-10-23 |
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Address after: No. 2, Shangli Road, Shipai Town, Dongguan City, Guangdong Province, 523000 Applicant after: DONGGUAN JINFENG ELECTRONIC Co.,Ltd. Address before: 523000 Puxin Industrial Zone, Shipai Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN JINFENG ELECTRONIC Co.,Ltd. |
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