CN213628474U - Synchronous gear type rotating shaft assembly - Google Patents
Synchronous gear type rotating shaft assembly Download PDFInfo
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- CN213628474U CN213628474U CN202021770416.9U CN202021770416U CN213628474U CN 213628474 U CN213628474 U CN 213628474U CN 202021770416 U CN202021770416 U CN 202021770416U CN 213628474 U CN213628474 U CN 213628474U
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- shaped groove
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Abstract
The utility model discloses a with moving gear type pivot subassembly, including the shell that two symmetries set up, be used for connecting the support frame of two shells and be located the inboard backstop board of support frame, when two shells expand and be 180, the loose axle is located the upper end of second arc wall, when two shells closure are 0, the loose axle is located the lower extreme of second arc wall, second arc wall lower extreme is located the outside of second arc wall upper end, the interval is provided with two first gears of being connected with two shells respectively between support frame and the backstop board, and the dabber portion of this first gear passes the support frame and is connected with the shell to can be rotatory along with the shell, be provided with even number intermeshing's second gear between two first gears, two second gears that are located the outside respectively with two first gear engagement. The utility model discloses not only provide torsion, guarantee the stability that opens and shuts, can also guarantee to open, the only and accuracy in closed route, use and experience well.
Description
Technical Field
The utility model relates to a with moving gear type pivot subassembly belongs to electronic product technical field.
Background
With the development of science and technology, the use requirements of users for electronic products are higher and higher, which leads to the functions of the electronic products to be more and more diversified, and there are many new forms of electronic products, such as electronic devices with flexible screens: two side end parts of the flexible screen are respectively connected to two parts of the electronic equipment which can rotate relatively, so that the display area is enlarged as much as possible.
The screen accommodation space of the current flexible screen in the using process is not enough, the middle part of the screen body can be folded in an arc shape when the screen is closed, so that the screen is easy to fold after being used for a long time, the appearance is attractive, partial touch failure can be caused, and the use experience is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a with moving gear type pivot subassembly, this with moving gear type pivot subassembly not only provides torsion, guarantees the stability that opens and shuts, can also guarantee to open, closed path is only and accurate, uses and experiences well.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a synchronous gear type rotating shaft assembly comprises two symmetrically arranged shells, a support frame for connecting the two shells and a stop plate positioned on the inner side of the support frame, wherein the support frame is positioned between the shells and the stop plate;
the two ends of the supporting frame are respectively provided with a supporting shaft, one end of the supporting shaft is fixedly connected with the stop plate, the other end of the supporting shaft is movably embedded into a first arc-shaped groove formed in the shell, the first arc-shaped grooves in the two shells are symmetrically arranged around a vertical central line, when the two shells are unfolded to form an angle of 180 degrees, the supporting shaft is in contact with the upper end of the first arc-shaped groove, and when the two shells are closed to form an angle of 0 degree, the supporting shaft is in contact with the lower end of the first arc-shaped groove;
the inner side surface of the stop plate is provided with two second arc-shaped grooves which are symmetrical about a vertical center line, a movable shaft is embedded in each second arc-shaped groove, one end of each movable shaft is embedded in the corresponding second arc-shaped groove, the other end of each movable shaft is sleeved with a movable plate which can move along with the corresponding movable shaft, the shell is hinged with a movable plate corresponding to the movable plate, one end of each movable plate is hinged with the shell, and the other end of each movable plate is connected with the corresponding movable plate through an elastic piece;
when the two shells are unfolded to form an angle of 180 degrees, the movable shaft is positioned at the upper end of the second arc-shaped groove, when the two shells are closed to form an angle of 0 degree, the movable shaft is positioned at the lower end of the second arc-shaped groove, and the lower end of the second arc-shaped groove is positioned at the outer side of the upper end of the second arc-shaped groove;
two first gears respectively connected with the two shells are arranged between the supporting frame and the stop plate at intervals, a spindle part of each first gear penetrates through the supporting frame to be connected with the shells and can rotate along with the shells, an even number of second gears which are meshed with each other are arranged between the two first gears, and the two second gears positioned on the outer sides are respectively meshed with the two first gears.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the number of the support frames and the number of the stop plates are two, and the two support frames and the two stop plates are respectively positioned at two ends of the shell.
2. In the above scheme, the number of the second gears is two.
3. In the above scheme, the diameter ratio of the second gear to the first gear is 1: 2 to 3.
4. In the above scheme, the elastic member is at least two springs arranged in parallel.
5. In the above scheme, the movable plate is provided with a blind hole for the movable plate to be embedded in, and the elastic piece is arranged in the blind hole and is in pressing contact with the movable plate.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses with moving gear type pivot subassembly, be provided with an elastic mechanism between the lower surface of its fly leaf or activity piece and the internal surface of shell, this elastic mechanism's both ends respectively with the internal surface of shell, the lower surface extrusion contact of fly leaf or activity piece, can make pivot mechanism and flexible screen be close to even completely coincide more for the screen is in the state of tightening always, reduces or even avoids flexible screen because of the couch under the atress, the effectual life who prolongs flexible screen, the experience that has good use.
2. The utility model discloses with moving gear type pivot subassembly, the interval is provided with two first gears of being connected with two shells respectively between its support frame and the backstop board, the dabber portion of this first gear passes the support frame and is connected with the shell, and can be rotatory along with the shell, be provided with even number intermeshing's second gear between two first gears, two second gears that are located the outside respectively with two first gear engagement, the symmetry of gear sets up, torsion is not only provided, guarantee the stability that opens and shuts, can also guarantee to open, closed path is only and accurate, use and experience well.
Drawings
FIG. 1 is an exploded view of the same gear type rotating shaft assembly of the present invention in an expanded state;
fig. 2 is a partial structural schematic view of the synchronous gear type rotating shaft assembly of the present invention in a folded state;
FIG. 3 is a second schematic view of the same-motion gear-type rotating shaft assembly in a folded state;
fig. 4 is a schematic view showing a local structure of the synchronous gear type rotating shaft assembly in a folded state.
In the above drawings: 1. a housing; 2. a support frame; 3. a stopper plate; 4. a support shaft; 5. a first arc-shaped slot; 6. a second arc-shaped slot; 7. a movable shaft; 8. a movable plate; 9. a movable plate; 10. an elastic member; 12. a first gear; 121. a core shaft portion; 13. a second gear.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a synchronous gear type rotating shaft assembly comprises two symmetrically arranged shells 1, a support frame 2 for connecting the two shells 1 and a stop plate 3 positioned on the inner side of the support frame 2, wherein the support frame 2 is positioned between the shells 1 and the stop plate 3;
two ends of the support frame 2 are respectively provided with a support shaft 4, one end of the support shaft 4 is fixedly connected with the stop plate 3, the other end of the support shaft 4 is movably embedded into a first arc-shaped groove 5 formed in the shell 1, the first arc-shaped grooves 5 on the two shells 1 are symmetrically arranged around a vertical central line, when the two shells 1 are unfolded to form an angle of 180 degrees, the support shaft 4 is contacted with the upper end of the first arc-shaped groove 5, and when the two shells 1 are closed to form an angle of 0 degree, the support shaft 4 is contacted with the lower end of the first arc-shaped groove 5;
the inner side surface of the stop plate 3 is provided with two second arc-shaped grooves 6 which are symmetrical about a vertical center line, a movable shaft 7 is embedded in each second arc-shaped groove 6, one end of the movable shaft 7 is embedded in the second arc-shaped groove 6, a movable plate 8 which can move along with the movable shaft 7 is sleeved at the other end of the movable shaft 7, the shell 1 is hinged with a movable plate 9 corresponding to the movable plate 8, one end of the movable plate 9 is hinged with the shell 1, and the other end of the movable plate 9 is connected with the movable plate 8 through an elastic part 10;
when the two shells 1 are unfolded to form an angle of 180 degrees, the movable shaft 7 is positioned at the upper end of the second arc-shaped groove 6, when the two shells 1 are closed to form an angle of 0 degree, the movable shaft 7 is positioned at the lower end of the second arc-shaped groove 6, and the lower end of the second arc-shaped groove 6 is positioned at the outer side of the upper end of the second arc-shaped groove 6;
two first gears 12 respectively connected with the two shells 1 are arranged between the support frame 2 and the stop plate 3 at intervals, a spindle part 121 of the first gear 12 penetrates through the support frame 2 to be connected with the shells 1 and can rotate along with the shells 1, an even number of second gears 13 meshed with each other are arranged between the two first gears 12, and the two second gears 13 positioned on the outer sides are respectively meshed with the two first gears 12.
The number of the support frames 2 and the number of the stop plates 3 are two, and the two support frames and the two stop plates are respectively positioned at two ends of the shell 1; the number of the second gears 13 is two; the diameter ratio of the second gear 13 to the first gear 12 is 1: 2.
example 2: a synchronous gear type rotating shaft assembly comprises two symmetrically arranged shells 1, a support frame 2 for connecting the two shells 1 and a stop plate 3 positioned on the inner side of the support frame 2, wherein the support frame 2 is positioned between the shells 1 and the stop plate 3;
two ends of the support frame 2 are respectively provided with a support shaft 4, one end of the support shaft 4 is fixedly connected with the stop plate 3, the other end of the support shaft 4 is movably embedded into a first arc-shaped groove 5 formed in the shell 1, the first arc-shaped grooves 5 on the two shells 1 are symmetrically arranged around a vertical central line, when the two shells 1 are unfolded to form an angle of 180 degrees, the support shaft 4 is contacted with the upper end of the first arc-shaped groove 5, and when the two shells 1 are closed to form an angle of 0 degree, the support shaft 4 is contacted with the lower end of the first arc-shaped groove 5;
the inner side surface of the stop plate 3 is provided with two second arc-shaped grooves 6 which are symmetrical about a vertical center line, a movable shaft 7 is embedded in each second arc-shaped groove 6, one end of the movable shaft 7 is embedded in the second arc-shaped groove 6, a movable plate 8 which can move along with the movable shaft 7 is sleeved at the other end of the movable shaft 7, the shell 1 is hinged with a movable plate 9 corresponding to the movable plate 8, one end of the movable plate 9 is hinged with the shell 1, and the other end of the movable plate 9 is connected with the movable plate 8 through an elastic part 10;
when the two shells 1 are unfolded to form an angle of 180 degrees, the movable shaft 7 is positioned at the upper end of the second arc-shaped groove 6, when the two shells 1 are closed to form an angle of 0 degree, the movable shaft 7 is positioned at the lower end of the second arc-shaped groove 6, and the lower end of the second arc-shaped groove 6 is positioned at the outer side of the upper end of the second arc-shaped groove 6;
two first gears 12 respectively connected with the two shells 1 are arranged between the support frame 2 and the stop plate 3 at intervals, a spindle part 121 of the first gear 12 penetrates through the support frame 2 to be connected with the shells 1 and can rotate along with the shells 1, an even number of second gears 13 meshed with each other are arranged between the two first gears 12, and the two second gears 13 positioned on the outer sides are respectively meshed with the two first gears 12.
The diameter ratio of the second gear 13 to the first gear 12 is 1: 3; the elastic member 10 is at least two springs arranged in parallel; the movable plate 9 has a blind hole for the movable plate 8 to be inserted into, and the elastic member 10 is disposed in the blind hole and is in pressing contact with the movable plate 8.
When the synchronous gear type rotating shaft assembly is adopted, the fixed-point unfolding of 0-180 degrees can be realized, the screen is well supported when the same-gear type rotating shaft assembly is unfolded, a certain angle is formed in a folding area and a space is increased when the same-gear type rotating shaft assembly is folded, so that the screen has a larger R angle when being folded inwards, and the situation that the screen is not folded or even touch failure is caused after being used for a long time is prevented;
in addition, two first gears respectively connected with the two shells are arranged between the supporting frame and the stop plate at intervals, a spindle of the first gear penetrates through the supporting frame to be connected with the shells and can rotate along with the shells, an even number of mutually meshed second gears are arranged between the two first gears, the two second gears located on the outer side are respectively meshed with the two first gears, the gears are symmetrically arranged, torsion is provided, the opening and closing stability is guaranteed, the opening and closing path can be guaranteed to be unique and accurate, and the use experience is good.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a with moving gear type pivot subassembly which characterized in that: the device comprises two symmetrically arranged shells (1), a support frame (2) for connecting the two shells (1) and a stop plate (3) positioned on the inner side of the support frame (2), wherein the support frame (2) is positioned between the shells (1) and the stop plate (3);
the two ends of the supporting frame (2) are respectively provided with a supporting shaft (4), one end of the supporting shaft (4) is fixedly connected with the stop plate (3), the other end of the supporting shaft (4) is movably embedded into a first arc-shaped groove (5) formed in the shell (1), the first arc-shaped grooves (5) in the two shells (1) are symmetrically arranged about a vertical central line, when the two shells (1) are unfolded to form an angle of 180 degrees, the supporting shaft (4) is in contact with the upper end of the first arc-shaped groove (5), and when the two shells (1) are closed to form an angle of 0 degree, the supporting shaft (4) is in contact with the lower end of the first arc-shaped groove (5);
the inner side surface of the stop plate (3) is provided with two second arc-shaped grooves (6) which are symmetrical about a vertical center line, a movable shaft (7) is embedded in each second arc-shaped groove (6), one end of the movable shaft (7) is embedded in each second arc-shaped groove (6), the other end of the movable shaft (7) is sleeved with a movable plate (8) which can move along with the movable shaft (7), the shell (1) is hinged with a movable plate (9) corresponding to the movable plate (8), one end of the movable plate (9) is hinged with the shell (1), and the other end of the movable plate (9) is connected with the movable plate (8) through an elastic piece (10);
when the two shells (1) are unfolded to form an angle of 180 degrees, the movable shaft (7) is positioned at the upper end of the second arc-shaped groove (6), when the two shells (1) are closed to form an angle of 0 degree, the movable shaft (7) is positioned at the lower end of the second arc-shaped groove (6), and the lower end of the second arc-shaped groove (6) is positioned at the outer side of the upper end of the second arc-shaped groove (6);
two first gears (12) respectively connected with the two shells (1) are arranged between the support frame (2) and the stop plate (3) at intervals, a mandrel part (121) of the first gear (12) penetrates through the support frame (2) to be connected with the shells (1) and can rotate along with the shells (1), even number of second gears (13) which are meshed with each other are arranged between the two first gears (12), and the two second gears (13) positioned on the outer side are respectively meshed with the two first gears (12).
2. The simultaneous gear type spindle assembly according to claim 1, wherein: the number of the support frames (2) and the number of the stop plates (3) are two, and the two support frames and the two stop plates are respectively positioned at two ends of the shell (1).
3. The simultaneous gear type spindle assembly according to claim 1 or 2, wherein: the number of the second gears (13) is two.
4. The simultaneous gear type spindle assembly according to claim 1 or 2, wherein: the diameter ratio of the second gear (13) to the first gear (12) is 1: 2 to 3.
5. The simultaneous gear type spindle assembly according to claim 1 or 2, wherein: the elastic piece (10) is at least two springs which are arranged in parallel.
6. The simultaneous gear type spindle assembly according to claim 5, wherein: the movable sheet (9) is provided with a blind hole for embedding the movable plate (8), and the elastic piece (10) is arranged in the blind hole and is in extrusion contact with the movable plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021770416.9U CN213628474U (en) | 2020-08-24 | 2020-08-24 | Synchronous gear type rotating shaft assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021770416.9U CN213628474U (en) | 2020-08-24 | 2020-08-24 | Synchronous gear type rotating shaft assembly |
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| CN213628474U true CN213628474U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021770416.9U Active CN213628474U (en) | 2020-08-24 | 2020-08-24 | Synchronous gear type rotating shaft assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113643612A (en) * | 2021-07-20 | 2021-11-12 | 江苏盈智融科技有限公司 | Internal folding gear connecting rod type flexible screen rotating shaft mechanism |
| US11774077B1 (en) * | 2022-07-01 | 2023-10-03 | Wenfeng Zhou | Foldable device, lamp and method of use thereof |
-
2020
- 2020-08-24 CN CN202021770416.9U patent/CN213628474U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113643612A (en) * | 2021-07-20 | 2021-11-12 | 江苏盈智融科技有限公司 | Internal folding gear connecting rod type flexible screen rotating shaft mechanism |
| CN113643612B (en) * | 2021-07-20 | 2023-01-24 | 江苏盈智融科技有限公司 | Internal folding gear connecting rod type flexible screen rotating shaft mechanism |
| US11774077B1 (en) * | 2022-07-01 | 2023-10-03 | Wenfeng Zhou | Foldable device, lamp and method of use thereof |
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