CN212509186U - Two-shaft outward-folding rotating mechanism based on gear and rack synchronization - Google Patents
Two-shaft outward-folding rotating mechanism based on gear and rack synchronization Download PDFInfo
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- CN212509186U CN212509186U CN201921427530.9U CN201921427530U CN212509186U CN 212509186 U CN212509186 U CN 212509186U CN 201921427530 U CN201921427530 U CN 201921427530U CN 212509186 U CN212509186 U CN 212509186U
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- adjustable shelf
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Abstract
The utility model discloses a two-axis outward-folding rotating mechanism based on gear and rack synchronization, which comprises a structure main body, wherein the structure main body consists of a rotating mechanism and a flexible screen, the flexible screen comprises a neutral layer, the bending radius of the rotating mechanism is the distance from a central point to the neutral layer, namely, the rotating track of the rotating mechanism is arranged on the neutral layer, and the rotating mechanism specifically comprises a two-axis movable frame, the two-axis movable frame comprises a central movable frame, a gear and a bilateral rack are arranged on the central movable frame, the bending synchronization is realized by the meshing of the gear and the rack, a slide block is arranged in a chute to slide for realizing screen compensation, the bending radius is the distance from the central point of the moving track to the neutral layer of the flexible screen, the flexible screen is ensured not to be pulled in the bending process, the displacement compensation is realized by the rotating mechanism, and the flexible screen materials with different curvatures are, the service life of the device is guaranteed.
Description
Technical Field
The utility model relates to a pivot design technical field refers in particular to diaxon inflection slewing mechanism based on rack and pinion is synchronous.
Background
The folding screen at the present stage refers to the whole screen bending or the split or split use mode of one screen, and generally refers to an OLED screen. At present, the screen meets the bending requirement, but the screen is directly related to an electronic product, namely the screen is applied to the electronic product, for example, a mobile phone, which not only has extremely high requirements on the screen, but also ensures that the screen does not break down in the normal use process, does not influence the normal bending of the screen, and needs a special mechanical structure to realize the bending.
The folding screen can be divided into an inward folding mode and an outward folding mode according to the use of the folding screen, the technical conditions are required to be met no matter the folding screen is folded inwards or outwards, the corresponding clamping point, limiting and damping torsion force also needs to be considered comprehensively, particularly, the screen cannot be damaged due to the fact that the layout of the auxiliary structural part influences the screen, the shape of the whole electronic equipment cannot be influenced, namely, the auxiliary screen achieves functions on the premise that the screen quality, the screen service life and the whole product deformation are not influenced, and the functions are achieved by the aid of a rigorous hinge mechanism.
The comprehensive consideration, the pivot design needs to satisfy the demand of bending, and the control and the cost of machining precision need be considered in pivot processing, consequently, the pivot that the processing degree of difficulty is low, accessories is less relatively just can satisfy applicable demand.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the weak point among the prior art and provide the diaxon that is based on rack and pinion is synchronous and rolls over slewing mechanism outward.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the two-shaft outward-folding rotating mechanism based on gear and rack synchronization comprises a structural main body, wherein the structural main body consists of a rotating mechanism and a flexible screen, the flexible screen comprises a neutral layer, and the bending turning radius of the rotating mechanism is the distance from a central point to the neutral layer, namely the rotating track of the rotating mechanism is on the neutral layer; slewing mechanism including the packaging body and set up in two sets of pivots on the packaging body, the pivot is including the synchronous unit that rotates, the synchronous unit that rotates comprises the diaxon adjustable shelf of bilateral symmetry, the diaxon adjustable shelf includes central adjustable shelf, be equipped with gear and bilateral rack on the adjustable shelf of center, through the meshing of gear and rack realizes buckling the synchronization, the rack sets up the gear both sides, just the rack connection sets up two sets of connection location adjustable shelves, connection location adjustable shelf one end is equipped with slider adjustable shelf and spout adjustable shelf, slider adjustable shelf one end is the slider, be equipped with the spout on the spout adjustable shelf, the slider is in slide in the spout and realize the screen compensation.
Particularly, a first arc movable frame and a second arc movable frame which are used for realizing connection and synchronous rotation of the semi-arc pipe positions are respectively arranged on two sides of the central movable frame, and a sliding block used for realizing sliding is arranged on the second arc movable frame.
Particularly, the side edges of the first arc movable frame and the second arc movable frame are respectively provided with a triangular arc for realizing appearance protection.
Particularly, be equipped with between the connection location adjustable shelf and realize connecting the location and the synchronous pivoted first supplementary adjustable shelf and the supplementary adjustable shelf of second of semicircle pipe position, be equipped with a plurality of spliced poles on first supplementary adjustable shelf and the supplementary adjustable shelf of second respectively, just be equipped with sliding connection's middle spout on the first supplementary adjustable shelf.
Particularly, a gear installation position is arranged on the central movable frame, supporting stand columns are respectively arranged on two sides of the gear installation position, and a cover plate for fixing the pipe position gear is fixedly connected with the supporting stand columns.
Particularly, the two ends of the connecting and positioning movable frame are provided with connecting holes.
Particularly, the packaging body comprises a bottom packaging body and a surface packaging body, the bottom packaging body comprises a plurality of groups of packaging parts, the surface packaging body is a silica gel and a steel sheet which are combined in an encapsulating manner, a bending part of the steel sheet is provided with a net structure formed by regular penetrating holes, and the silica gel is wrapped and filled in the penetrating holes through encapsulating treatment.
The beneficial effects of the utility model reside in that: the utility model provides a synchronous diaxon inflection slewing mechanism based on rack and pinion, it is isometric to realize the chord arc in the bending process through the mechanism rotation, the radius of bending is the distance from movement track central point to the neutral layer of flexible screen, ensure that the flexible screen can not be dragged in the bending process, realize displacement compensation through slewing mechanism, ensure that the flexible screen material of different curvatures can not be damaged in the bending process, guarantee its life, use the meshing of wheel and rack to realize synchronous bending flexibly, drive gear and rack work through the diaxon movable rack of connection location, the bending mechanism that synchronous rotation realized realizes the demand of bending, realize connection location and screen compensation through the slip assistance of spout and slider, guarantee its bending precision, the movement track fluctuates inconspicuously, the precision is high, the overall structure design is simpler and more effective, need not unnecessary auxiliary spare and accessory parts and has satisfied synchronous and bending motion simultaneously, the side circular arc no longer provides the effect of power, reduces the required precision, and the manufacturing of being convenient for satisfies folding screen and rotates the demand.
Drawings
Fig. 1 is the utility model discloses 180 degrees overall structure charts of diaxon inflection slewing mechanism based on rack and pinion is synchronous.
Fig. 2 is the utility model discloses 0 degrees overall structure picture of diaxon inflection slewing mechanism based on rack and pinion is synchronous.
Fig. 3 is the utility model discloses a 90 degrees state diagrams of diaxon inflection slewing mechanism based on rack and pinion is synchronous.
Fig. 4 is the utility model discloses a diaxon inflection slewing mechanism well pivot structure chart based on rack and pinion is synchronous.
Fig. 5 is one of the exploded views of the structure of the rotating shaft in the two-shaft outward-folding rotating mechanism based on the synchronization of the gear and the rack of the present invention.
Fig. 6 is a second exploded view of the structure of the rotating shaft in the two-shaft outward-folding rotating mechanism based on the gear-rack synchronization of the present invention.
Fig. 7 is an exploded view of the whole structure of the two-axis outward-folding rotating mechanism based on the gear and rack synchronization of the present invention.
Fig. 8 is the structure diagram of the central movable frame in the two-shaft outward-folding rotating mechanism based on the gear and rack synchronization of the present invention.
Fig. 9 is a structural view of a surface package in a two-axis folding-out rotating mechanism based on gear and rack synchronization according to the present invention.
Fig. 10 is a schematic diagram of the intersecting relationship between the rotation track and the neutral layer in the two-axis external-folding rotating mechanism based on the gear and rack synchronization of the present invention.
Detailed Description
The invention is further described below with reference to the drawings in the specification:
example 1:
as shown in fig. 10, the two-axis external-folding rotation mechanism based on gear-rack synchronization disclosed in this embodiment includes a structure main body, the structure main body is composed of a rotation mechanism 1 and a flexible screen 166, the flexible screen 166 includes a neutral layer 167, and a turning radius of the bending of the rotation mechanism 1 is a distance from a central point B to an upper point C of the neutral layer, that is, a rotation track intersection point C of the rotation mechanism 1 is on the neutral layer 167; for example, the bending radius of the rotating mechanism 1 is R1, a certain point of the circumferential arc length generated by the rotating track is point a, the distance from point a to the neutral layer is L1, and the actual turning radius R5 is R1+ L1.
As shown in fig. 1-9, specifically, the rotating mechanism 1 includes a package 101 and two sets of rotating shafts 102 disposed on the package 101, the rotating shaft 102 comprises a synchronous rotating unit 103, the synchronous rotating unit 103 is composed of two-axis movable frames 104 with bilateral symmetry, the two-axis movable frame 104 comprises a central movable frame 2, a gear 3 and a bilateral rack 4 are arranged on the central movable frame 2, the gear 3 is meshed with the rack 4 to realize the synchronous bending, the rack 4 is arranged at two sides of the gear 3, two groups of connecting and positioning movable frames 5 are connected and arranged on the rack 4, one end of each connecting and positioning movable frame 5 is provided with a slide block movable frame 6 and a sliding groove movable frame 7, 6 one end of slider adjustable shelf is slider 61, be equipped with spout 71 on the spout adjustable shelf 7, slider 61 is in it realizes the screen compensation to slide in spout 71.
In the above embodiment, the first arc moving frame 8 and the second arc moving frame 9 for connecting and synchronously rotating the semi-arc pipe positions are respectively disposed on two sides of the central moving frame 2, and the sliding block 91 for sliding is disposed on the second arc moving frame 9. The side edges of the first arc movable frame 8 and the second arc movable frame 9 are respectively provided with a triangular arc 10 for realizing appearance protection. Be equipped with between the connection location adjustable shelf 5 and realize connecting location and the synchronous pivoted first supplementary adjustable shelf 11 of semicircle pipe position and the supplementary adjustable shelf 12 of second, be equipped with a plurality of spliced poles 13 on the supplementary adjustable shelf 12 of first supplementary adjustable shelf 11 and second respectively, just be equipped with sliding connection's middle spout 14 on the supplementary adjustable shelf 11 of first. Be equipped with gear installation position 301 on central adjustable shelf 2, just gear installation position 301 both sides are equipped with support post 302 respectively, support post 302 fixed connection sets up one and realizes the fixed apron 15 of pipe position gear. And both ends of the connecting and positioning movable frame 5 are provided with connecting holes 51. The package body 101 comprises a bottom package body 203 and a surface package body 205, the bottom package body 203 comprises a plurality of groups of package pieces 202, the surface package body 205 is a rubber-coated combined silica gel 206 and a steel sheet 207, a bent part of the steel sheet 207 is provided with a mesh structure 208 formed by regular through holes 209, and the silica gel 206 is coated and filled in the through holes 209 through rubber coating treatment.
The technical principle of the embodiment is as follows:
the meshing of using wheel and rack in a flexible way realizes synchronous buckling, diaxon movable rack through connection location drives gear and rack work, the demand of bending is realized to the mechanism of buckling that synchronous rotation realized, supplementary realization connection location and the screen compensation of slip through spout and slider, guarantee its precision of bending, the fluctuation of motion trail is not obvious, the precision is high, overall structure design is simple more effective, need not unnecessary supplementary accessories and satisfied synchronous and the motion of bending simultaneously, the effect that the side circular arc no longer provides the power, reduce the required precision, be convenient for manufacturing, satisfy folding screen rotation demand.
It is right only to go up the preferred embodiment of the utility model discloses a it is not right the utility model discloses a scope is injectd, the event is not deviating from the utility model relates to an under the prerequisite of spirit, ordinary engineering technical personnel in the field is right the equivalent change or the decoration that structure, characteristic and principle do, all should fall into the utility model discloses the protection within range of applying for a patent.
Claims (7)
1. Diaxon is rolled over slewing mechanism outward based on rack and pinion is synchronous, its characterized in that: the flexible screen is characterized by comprising a structure main body, wherein the structure main body is composed of a rotating mechanism and a flexible screen, the flexible screen comprises a neutral layer, and the turning radius of the bending of the rotating mechanism is the distance from a central point to the neutral layer, namely the rotating track of the rotating mechanism is on the neutral layer; slewing mechanism including the packaging body and set up in two sets of pivots on the packaging body, the pivot is including the synchronous unit that rotates, the synchronous unit that rotates comprises the diaxon adjustable shelf of bilateral symmetry, the diaxon adjustable shelf includes central adjustable shelf, be equipped with gear and bilateral rack on the adjustable shelf of center, through the meshing of gear and rack realizes buckling the synchronization, the rack sets up the gear both sides, just the rack connection sets up two sets of connection location adjustable shelves, connection location adjustable shelf one end is equipped with slider adjustable shelf and spout adjustable shelf, slider adjustable shelf one end is the slider, be equipped with the spout on the spout adjustable shelf, the slider is in slide in the spout and realize the screen compensation.
2. The two-shaft outward-folding rotating mechanism based on gear and rack synchronization according to claim 1, characterized in that:
the two sides of the central movable frame are respectively provided with a first arc movable frame and a second arc movable frame which are used for realizing connection and synchronous rotation of the semi-arc pipe positions, and the second arc movable frame is provided with a sliding block for realizing sliding.
3. The two-shaft outward-folding rotating mechanism based on gear and rack synchronization according to claim 2, characterized in that:
and triangular arcs for realizing appearance protection are respectively arranged on the side edges of the first arc movable frame and the second arc movable frame.
4. The two-shaft outward-folding rotating mechanism based on gear and rack synchronization according to claim 1, characterized in that:
be equipped with between the connection location adjustable shelf and realize the first supplementary adjustable shelf and the supplementary adjustable shelf of second of connection location and semicircle pipe position synchronous rotation, be equipped with a plurality of spliced poles on the supplementary adjustable shelf of first supplementary adjustable shelf and second respectively, just be equipped with sliding connection's middle spout on the first supplementary adjustable shelf.
5. The two-shaft outward-folding rotating mechanism based on gear and rack synchronization according to claim 1, characterized in that:
the central movable frame is provided with a gear installation position, two sides of the gear installation position are respectively provided with a support upright post, and the support upright posts are fixedly connected with a cover plate for fixing the pipe position gear.
6. The two-shaft outward-folding rotating mechanism based on gear and rack synchronization according to claim 1, characterized in that:
and connecting holes are formed in the two ends of the connecting and positioning movable frame.
7. The two-shaft outward-folding rotating mechanism based on gear and rack synchronization according to claim 1, characterized in that:
the packaging body comprises a bottom packaging body and a surface packaging body, the bottom packaging body comprises a plurality of groups of packaging parts, the surface packaging body is a silica gel and a steel sheet which are combined in an encapsulating manner, a bending part of the steel sheet is provided with a net structure formed by regular penetrating holes, and the silica gel is wrapped and filled in the penetrating holes through encapsulating treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427530.9U CN212509186U (en) | 2019-08-28 | 2019-08-28 | Two-shaft outward-folding rotating mechanism based on gear and rack synchronization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427530.9U CN212509186U (en) | 2019-08-28 | 2019-08-28 | Two-shaft outward-folding rotating mechanism based on gear and rack synchronization |
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| CN212509186U true CN212509186U (en) | 2021-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425217A (en) * | 2019-08-28 | 2019-11-08 | 东莞市劲丰电子有限公司 | Rotating mechanism is folded outward based on two synchronous axis of rack-and-pinion |
-
2019
- 2019-08-28 CN CN201921427530.9U patent/CN212509186U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425217A (en) * | 2019-08-28 | 2019-11-08 | 东莞市劲丰电子有限公司 | Rotating mechanism is folded outward based on two synchronous axis of rack-and-pinion |
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| 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 |