CN215634369U - U-shaped internal folding rotating mechanism with balance wheel sliding groove - Google Patents
U-shaped internal folding rotating mechanism with balance wheel sliding groove Download PDFInfo
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- CN215634369U CN215634369U CN202022654584.8U CN202022654584U CN215634369U CN 215634369 U CN215634369 U CN 215634369U CN 202022654584 U CN202022654584 U CN 202022654584U CN 215634369 U CN215634369 U CN 215634369U
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Abstract
The utility model discloses a U-shaped inward-folding rotating mechanism of a balance wheel sliding groove, which comprises two groups of side rotating shafts, wherein the side rotating shafts consist of two groups of rotating frames which are transversely and symmetrically distributed and have the same structure, two groups of fixing frames which are longitudinally and symmetrically distributed are arranged between the rotating frames, two groups of balance wheel connecting arms and two groups of racks which are longitudinally and symmetrically distributed are arranged between the fixing frames, and the inward-folding rotation of the balance wheel sliding groove at 0-180 degrees is realized; the rotating rack is provided with an embedded sliding groove and a rotating hole, two ends of the balance connecting arm are respectively provided with a double-head sliding shaft and a single-head sliding shaft, the rack is provided with a rotating shaft and a curved sliding groove, the double-head sliding shaft slides in the embedded sliding groove to realize the rotating connection of the rotating rack and the balance connecting arm, the single-head sliding shaft slides in the curved sliding groove to realize the rotating connection of the balance connecting arm and the rack, and the rotating shaft is rotatably connected with the rotating hole to realize the rotating connection of the rack and the rotating rack.
Description
Technical Field
The utility model relates to the technical field of rotating shaft design, in particular to an inward-folding connecting shaft, and particularly relates to a U-shaped inward-folding rotating mechanism with a balance wheel sliding groove.
Background
At present, no matter be flat board, cell-phone or other take the electronic product of display screen, all be in the direction development to flexible screen, in the development of this technical field, the transition product that appears similar flexible screen function also is indispensable, so-called transition product is exactly that to realize that the double screen is folding, fold the effect through the double screen folding whole screen that reaches, at the in-process of buckling, do not have obvious breaching, wholly give the folding result of use of whole screen, test or feedback out the attitude that the consumer used to the screen is folded through this kind of mode.
To realize the technical effects, the biggest technical problem is directly transferred to the design technology of the rotating shaft from the design of the screen, how to realize the inward folding needs a special rotating mechanism, the possibility of rotating and folding is considered, the effectiveness of bilateral connection is further considered, and especially the problem of synchronous bending needs to be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a U-shaped inward-folding rotating mechanism of a balance wheel sliding groove.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a U-shaped inward-folding rotating mechanism of a balance wheel sliding groove comprises a mechanism main body, wherein the mechanism main body comprises two groups of side rotating shafts, the side rotating shafts are composed of two groups of rotating frames which are transversely and symmetrically distributed and have the same structure, two groups of fixing frames which are longitudinally and symmetrically distributed are arranged between the rotating frames, two groups of balance wheel connecting arms and two groups of racks which are longitudinally and symmetrically distributed are arranged between the fixing frames, and the balance wheel sliding groove type inward-folding rotation of 0-180 degrees is realized;
the rotating frame is provided with an embedded sliding chute and a rotating hole, the balance wheel connecting arm is provided with a second rotating hole, a double-head sliding shaft and a single-head sliding shaft, the rack is provided with a rotating shaft and a curved chute, the fixed frame is provided with a second rotating shaft, the double-head sliding shaft slides in the embedded chute to realize the rotating connection of the rotating frame and the balance wheel connecting arm, the single-head sliding shaft slides in the curved sliding groove to realize the rotating connection of the balance wheel connecting arm and the rack, the second rotating shaft is rotatably connected with the second rotating hole, the rotating shaft is rotatably connected with the rotating hole to realize the rotating connection of the rack and the rotating frame, namely, the rotating frame is stressed to drive the balance wheel connecting arm to rotate, the balance wheel connecting arm is linked with the rack and then matched with the rack to limit the motion track, and the stress is transmitted back to the rotating frame through the balance wheel connecting arm to realize the inward-folding rotation of the cyclic stress.
Particularly, gears which are meshed with each other are arranged between the racks, a transverse sliding block is arranged on the racks, a transverse sliding groove is arranged on the fixing frame, and the transverse sliding block slides in the transverse sliding groove to realize synchronous rotation of 0-180 degrees.
Particularly, the mechanism main body comprises a middle synchronizing unit, the synchronizing unit comprises synchronous rotating frames on two sides and synchronous fixing frames on two ends, symmetrically distributed synchronous connecting arms are arranged between the synchronous rotating frames and the synchronous fixing frames, each synchronous connecting arm comprises a second sliding shaft and a connecting shaft, a cam and a concave wheel connecting plate matched with the cam are arranged on the connecting shafts to achieve the functions of synchronous rotation at 0-180 degrees and self-locking at a clamping point, and a spring for achieving elasticity and torsion is further arranged on the connecting shafts.
Particularly, a second sliding groove is formed in the synchronous rotating frame, and the second sliding shaft slides in the second sliding groove to realize synchronous rotation of 0-180 degrees.
Particularly, the mechanism main body further comprises a rotating shaft cover, a second transverse sliding block is arranged at the joint of the rotating shaft cover and the rack, a second transverse sliding groove is arranged at the joint of the rack and the rotating shaft cover, and the second transverse sliding block slides in the second transverse sliding groove to realize synchronous rotation.
In particular, the two sides of the rotating shaft cover are provided with a shell for realizing connection and positioning.
The utility model has the beneficial effects that: the U-shaped inward-folding rotating mechanism of the balance wheel sliding groove is characterized in that an arc-shaped sliding groove is arranged on a rack, embedded sliding grooves which are symmetrically distributed bilaterally are arranged on a rotating frame, a balance wheel connecting arm which is operated in a bending and rotating mode is arranged between the rotating frame and a fixing frame to form the balance wheel sliding groove type inward-folding rotating mechanism, bending opening and closing of 0-180 degrees are achieved through sliding of a balance wheel structure and a transverse sliding groove respectively through sliding fit of the balance wheel structure and the transverse sliding groove through sliding in a sliding column curve sliding groove, the structural design is simple and effective, the application requirement of a flexible screen is met, a resistance torsion action of 0-180 degrees and a screen supporting action in a 180-degree state are provided, the application of the flexible screen is met through few components, the inward-folding rotating requirements of different requirements can be met through changing the parameters of a straight sliding groove and the arc-shaped sliding groove, and industrial implementation is facilitated.
Drawings
FIG. 1 is an overall view of the main structure of the present invention.
FIG. 2 is a 0 degree state diagram of the spindle of the present invention.
Fig. 3 is a 90 degree state view of the spindle of the present invention.
Fig. 4 is a 180 degree state diagram of the present invention.
Fig. 5 is a 0 degree state diagram of the rotating mechanism of the present invention.
Fig. 6 is a 90 degree state diagram of the rotation mechanism of the present invention.
Fig. 7 is one of the 180 degree exploded views of the rotating mechanism of the present invention.
Fig. 8 is a second exploded view of the 180 degree turning mechanism of the present invention.
Fig. 9 is a third exploded view of the 180 degree rotation mechanism of the present invention.
Fig. 10 is a partial structural view of the rotating mechanism of the present invention.
Fig. 11 is a 180 degree structural view of the synchronization unit of the present invention.
Fig. 12 is a block diagram of the synchronization unit 90 of the present invention.
Fig. 13 is a view showing the structure of the synchronization connection arm of the present invention.
FIG. 14 is an exploded view of a synchronization unit of the present invention.
Fig. 15 is a schematic diagram of the motion trajectory of the present invention.
FIG. 16 is a view showing an overall constitution of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
example 1:
in this embodiment, as shown in fig. 15, a is a stroke change of the flexible screen during the bending process, and B is a relationship between an angle change of the mechanism during the rotation process and a position change of the screen, that is, the constant length during sliding means that the relative position between the flexible screen and the rotating mechanism 8 is not changed during the whole bending process, and the change of the track of the rotating mechanism 8 satisfies the position adjustment during the bending process, so that the constant length during the bending process of the flexible screen is realized.
As shown in fig. 1 to 16, the U-shaped inward-folding turning mechanism with a curved groove bending disclosed in this embodiment includes a mechanism main body, the mechanism main body includes two sets of side rotating shafts 1, the side rotating shafts 1 are composed of two sets of turning frames 2 which are transversely symmetrically distributed and have the same structure, two sets of fixing frames 4 which are longitudinally symmetrically distributed are disposed between the turning frames 2, two sets of balance connecting arms 3 and two sets of racks 5 which are longitudinally symmetrically distributed are disposed between the fixing frames 4, and the balance sliding groove inward-folding turning of 0-180 degrees is realized;
the rotating frame 2 is provided with an embedded sliding groove 21 and a rotating hole 22, the balance connecting arm 3 is provided with a second rotating hole 33, a double-end sliding shaft 31 and a single-end sliding shaft 32, the rack 5 is provided with a rotating shaft 51 and a curved sliding groove 52, the fixing frame 4 is provided with a second rotating shaft 41, the second rotating shaft 41 is rotatably connected with the second rotating hole 33, the double-end sliding shaft 31 slides in the embedded sliding groove 21 to realize the rotating connection of the rotating frame 2 and the balance connecting arm 3, the single-end sliding shaft 32 slides in the curved sliding groove 52 to realize the rotating connection of the balance connecting arm 3 and the rack 5, the rotating shaft 51 is rotatably connected with the rotating hole 22 to realize the rotating connection of the rack 5 and the rotating frame 2, namely, the rotating frame 2 is stressed to drive the balance connecting arm 3 to rotate, and the balance connecting arm 3 is linked with the rack 5 to define a moving track through the fixing frame 4, and the stress is transmitted back to the rotating frame 2 through the balance wheel connecting arm 3 to realize the inward-folding rotation of the circular stress.
The principle of the motion trail of the rotating shaft in the embodiment is as follows:
the rotating frame 2 starts to bend inward under stress, the action of force is simultaneously transmitted to the balance wheel connecting arm 3 through the sliding relation between the single-head sliding shaft 32 and the curve sliding groove 52, the action of force is fed back to the rack 5 while the rotating force is realized by the sliding between the double-head sliding shaft 31 on the balance wheel connecting arm 3 and the curve sliding groove 52, the action of force is fed back to the rotating frame 2 through the rotating connection between the rotating shaft 51 on the rack 5 and the rotating hole 22, the relative sliding is realized by the action of force on the double-head sliding shaft 31 embedded in the sliding groove 21 on the rotating frame 2, and the whole bending and rotating motion track with unchanged circulating stress and tangent point is realized.
The applicant states that a new method, which is generated by combining some steps of the above-mentioned embodiment with the technical solution of the present invention part based on the above-mentioned embodiment, is also one of the description scope of the present invention, and other embodiments of these steps are not listed in the present application for the sake of brevity.
In the above embodiment, the gears 6 engaged with each other are arranged between the racks 5, the racks 5 are provided with the transverse sliding blocks 53, the fixing frame 4 is provided with the transverse sliding grooves 42, and the transverse sliding blocks 53 slide in the transverse sliding grooves 42 to realize synchronous rotation of 0-180 degrees. The mechanism main body comprises a middle synchronizing unit 7, the synchronizing unit 7 is composed of synchronizing rotating frames 71 on two sides and synchronizing fixing frames 72 on two ends, symmetrically distributed synchronizing connecting arms 73 are arranged between the synchronizing rotating frames 71 and the synchronizing fixing frames 72, each synchronizing connecting arm 73 comprises a second sliding shaft 731 and a connecting shaft 732, a cam 733 and a concave wheel connecting plate 74 matched with the cam 733 are arranged on the connecting shaft 732 to achieve 0-180-degree synchronous rotation and a clamping point self-locking function, and a spring 75 for achieving elasticity and torsion is further arranged on the connecting shaft 732. The synchronous rotating frame 71 is provided with a second sliding groove 711, and the second sliding shaft 731 slides in the second sliding groove 711 to realize synchronous rotation of 0-180 degrees. The mechanism main body further comprises a rotating shaft cover 8, a second transverse sliding block 81 is arranged at the joint of the rotating shaft cover 8 and the rack 5, a second transverse sliding groove 54 is arranged at the joint of the rack 5 and the rotating shaft cover 8, and the second transverse sliding block 81 slides in the second transverse sliding groove 54 to realize synchronous rotation.
And a shell 9 for realizing connection and positioning is arranged on two sides of the rotating shaft cover 8.
The applicant further states that the present invention is described in the above embodiments to explain the implementation method and device structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it is not meant to imply that the present invention must rely on the above methods and structures to implement the present invention. It should be understood by those skilled in the art that any modifications to the present invention, the addition of equivalent alternatives to the embodiments of the present invention and steps, the selection of specific modes, etc., are within the scope of the present invention and the disclosure.
The technical principle of the embodiment is as follows:
the flexible screen is simple and effective in structural design, meets the application requirements of the flexible screen, provides a resistance torsion effect of 0-180 degree bending and a support screen supporting effect of 180 degree, meets the application requirements of the flexible screen through few components, changes parameters of the straight sliding groove and the arc sliding groove, and can meet the requirements of inward bending and rotation with different requirements, and is convenient for industrial implementation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, so that the equivalent changes or modifications of the structure, features and principles of the present invention by those skilled in the art should fall within the protection scope of the present invention.
Claims (6)
1. A U-shaped inward-folding rotating mechanism of a balance wheel sliding groove is characterized in that: the mechanism comprises a mechanism main body, wherein the mechanism main body comprises two groups of side rotating shafts, the side rotating shafts consist of two groups of rotating frames which are transversely and symmetrically distributed and have the same structure, two groups of fixing frames which are longitudinally and symmetrically distributed are arranged between the rotating frames, two groups of balance wheel connecting arms and two groups of racks which are longitudinally and symmetrically distributed are arranged between the fixing frames, and the balance wheel sliding groove type inward-folding rotation of 0-180 degrees is realized;
the rotating frame is provided with an embedded sliding chute and a rotating hole, the balance wheel connecting arm is provided with a second rotating hole, a double-head sliding shaft and a single-head sliding shaft, the rack is provided with a rotating shaft and a curved chute, the fixed frame is provided with a second rotating shaft, the double-head sliding shaft slides in the embedded chute to realize the rotating connection of the rotating frame and the balance wheel connecting arm, the single-head sliding shaft slides in the curved sliding groove to realize the rotating connection of the balance wheel connecting arm and the rack, the second rotating shaft is rotatably connected with the second rotating hole, the rotating shaft is rotatably connected with the rotating hole to realize the rotating connection of the rack and the rotating frame, namely, the rotating frame is stressed to drive the balance wheel connecting arm to rotate, the balance wheel connecting arm is linked with the rack and then matched with the rack to limit the motion track, and the stress is transmitted back to the rotating frame through the balance wheel connecting arm to realize the inward-folding rotation of the cyclic stress.
2. The U-fold turning mechanism of a balance chute according to claim 1, characterized in that:
the rack is provided with gears which are meshed with each other, the rack is provided with a transverse sliding block, the fixing frame is provided with a transverse sliding groove, and the transverse sliding block slides in the transverse sliding groove to realize synchronous rotation of 0-180 degrees.
3. The U-fold turning mechanism of a balance chute according to claim 1, characterized in that:
the mechanism main body comprises a middle synchronizing unit, the synchronizing unit is composed of synchronous rotating frames on two sides and synchronous fixing frames on two ends, symmetrically distributed synchronous connecting arms are arranged between the synchronous rotating frames and the synchronous fixing frames, each synchronous connecting arm comprises a second sliding shaft and a connecting shaft, a cam is arranged on each connecting shaft, a concave wheel connecting plate matched with the cam realizes the functions of synchronous rotation at 0-180 degrees and self-locking at a clamping point, and a spring for realizing elasticity and torsion is further arranged on each connecting shaft.
4. The U-fold turning mechanism of a balance chute according to claim 3, characterized in that:
and a second sliding groove is formed in the synchronous rotating frame, and the second sliding shaft slides in the second sliding groove to realize synchronous rotation of 0-180 degrees.
5. The U-fold turning mechanism of a balance chute according to claim 1, characterized in that:
the mechanism main body further comprises a rotating shaft cover, a second transverse sliding block is arranged at the joint of the rotating shaft cover and the rack, a second transverse sliding groove is arranged at the joint of the rack and the rotating shaft cover, and the second transverse sliding block slides in the second transverse sliding groove to realize synchronous rotation.
6. The U-fold turning mechanism of a balance chute according to claim 5, characterized in that:
and the two sides of the rotating shaft cover are provided with a shell for realizing connection and positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022654584.8U CN215634369U (en) | 2020-11-16 | 2020-11-16 | U-shaped internal folding rotating mechanism with balance wheel sliding groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022654584.8U CN215634369U (en) | 2020-11-16 | 2020-11-16 | U-shaped internal folding rotating mechanism with balance wheel sliding groove |
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| Publication Number | Publication Date |
|---|---|
| CN215634369U true CN215634369U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022654584.8U Active CN215634369U (en) | 2020-11-16 | 2020-11-16 | U-shaped internal folding rotating mechanism with balance wheel sliding groove |
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| CN (1) | CN215634369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503085A (en) * | 2020-11-16 | 2021-03-16 | 东莞市劲丰电子有限公司 | U-shaped internal folding rotating mechanism with balance wheel sliding groove |
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2020
- 2020-11-16 CN CN202022654584.8U patent/CN215634369U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503085A (en) * | 2020-11-16 | 2021-03-16 | 东莞市劲丰电子有限公司 | U-shaped internal folding rotating mechanism with balance wheel sliding groove |
| CN112503085B (en) * | 2020-11-16 | 2024-06-04 | 东莞市劲丰电子有限公司 | U-shaped inner folding mechanism of balance wheel chute |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 2, Shangli Road, Shipai Town, Dongguan City, Guangdong Province, 523000 Patentee after: DONGGUAN JINFENG ELECTRONIC Co.,Ltd. Address before: 523000 Puxin Industrial Zone, Shipai Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN JINFENG ELECTRONIC Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |