CN215720166U - Bidirectional gear rack and slide block connecting rod synchronous rotating mechanism - Google Patents
Bidirectional gear rack and slide block connecting rod synchronous rotating mechanism Download PDFInfo
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- CN215720166U CN215720166U CN202120374292.0U CN202120374292U CN215720166U CN 215720166 U CN215720166 U CN 215720166U CN 202120374292 U CN202120374292 U CN 202120374292U CN 215720166 U CN215720166 U CN 215720166U
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Abstract
The utility model discloses a bidirectional gear rack and slider connecting rod synchronous rotating mechanism, which comprises a rotating shaft, wherein the rotating shaft comprises a fixed seat, a first rotating main arm and a second rotating main arm which are symmetrically distributed are arranged on two sides of the fixed seat, and a first gear slider, a second gear slider, a third gear slider and a fourth gear slider which rotate synchronously are arranged between the first rotating main arm and the second rotating main arm; the fixed seat is provided with symmetrically distributed latch teeth and two groups of first sliding chutes which are symmetrically distributed in the reverse direction, the second gear sliding block and the third gear sliding block are respectively provided with a first gear and a first sliding block, the first rotating main arm and the second rotating main arm are respectively provided with a rack and a second sliding block, and the first gear sliding block and the fourth gear sliding block are provided with a second gear and a second sliding chute; the latch is engaged with the first gear, the first sliding chute is connected with the first sliding block in a sliding mode to realize synchronization, the second gear is engaged with the rack, and the second sliding block is connected with the second sliding chute in a sliding mode to form a bidirectional gear and rack synchronization mechanism.
Description
Technical Field
The utility model relates to the technical field of rotating shaft design, in particular to a rotating mechanism with a bidirectional gear rack and a sliding block connecting rod synchronized.
Background
Folded screens, referred to as flexible OLEDs. The successful mass production of the folding screen is not only greatly better than the manufacturing of a new generation of high-end smart phone, but also brings profound influence on the application of wearable equipment due to the characteristics of low power consumption and flexibility, and the folding screen can be widely applied along with the continuous penetration of a personal intelligent terminal in the future. The folding screen mobile phone is a mobile phone with a flexible and flexible screen, which is also called as a winding mobile phone because of being shaped like a winding. Compared with the traditional screen, the folding screen has obvious advantages, is lighter and thinner in size, is lower than the original device in power consumption, is beneficial to improving the cruising ability of equipment, and simultaneously has the advantages of being capable of being bent and good in flexibility, greatly higher in durability than the traditional screen and capable of reducing the accidental damage probability of the equipment.
To realize the folding function of the folding screen, besides the screen itself, the design of the connecting component for realizing folding, namely the connecting shaft at the bending position, is also the biggest technical problem. Considering the particularity of the folding screen, the traditional rotating shaft has no way to meet the functional requirements, a special rotating shaft of the folding screen is needed to assist the realization, the folding screen is bent according to the application requirements and is divided into two bending requirements of an outer bending and an outer bending, and the requirement of the inner bending mechanism is higher. Especially, considering that the flexible screen is combined with the flexible screen for use, the flexible screen has particularity, the rotating shaft is difficult to industrially process, the precision requirement of accessories of the flexible screen is extremely high, and the processing difficulty is simplified while the application of the flexible screen is met, so that the industrialization can be realized.
In the process of bending and rotating the flexible screen, how to ensure auxiliary synchronization and meet the precision requirement, especially, abnormal sound cannot exist, enough reserved space is needed, the stability of the service life is needed, and the design of a synchronous rotating mechanism is one of the key technical elements.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a bidirectional gear rack and slider connecting rod synchronous rotating mechanism.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the rotation mechanism comprises a rotating shaft, wherein the rotating shaft comprises a fixed seat, a first rotation main arm and a second rotation main arm which are symmetrically distributed are arranged on two sides of the fixed seat, and a first gear slide block, a second gear slide block, a third gear slide block and a fourth gear slide block which synchronously rotate are arranged between the first rotation main arm and the second rotation main arm;
the fixed seat is provided with symmetrically distributed latch teeth and two groups of first sliding chutes which are symmetrically distributed in the reverse direction, the second gear sliding block and the third gear sliding block are respectively provided with a first gear and a first sliding block, the first rotating main arm and the second rotating main arm are respectively provided with a rack and a second sliding block, and the first gear sliding block and the fourth gear sliding block are provided with a second gear and a second sliding chute;
the latch is meshed with the first gear, the first sliding chute is in sliding connection with the first sliding block to realize synchronization, the second gear is meshed with the rack, and the second sliding block is in sliding connection with the second sliding chute to form a bidirectional gear and rack synchronization mechanism;
the sliding block is arranged on the fixed seat, a first rotating auxiliary arm and a second rotating auxiliary arm which are connected in a rotating mode are arranged at two ends of the sliding block, the first rotating auxiliary arm and the second rotating auxiliary arm are connected with the sliding block in a rotating mode, and the sliding block and the fixed seat are connected in a transverse sliding mode to form a connecting rod type sliding block synchronization mechanism;
two groups of transverse sliding grooves which are transversely and symmetrically distributed are formed in the fixed seat, transverse sliding blocks are arranged on two sides of the long edge of each sliding block respectively, and the transverse sliding blocks slide in the transverse sliding grooves to realize synchronization;
the first rotating main arm is linked with the first rotating auxiliary arm, and the second rotating main arm is linked with the second rotating auxiliary arm to realize synchronous rotation of the two-way gear rack at 0-180 degrees in cooperation with the sliding block connecting rod.
Particularly, the first rotating auxiliary arm and the second rotating auxiliary arm are respectively provided with a side sliding column, the first rotating main arm and the second rotating main arm are provided with side sliding chutes, and the side sliding columns slide in the side sliding chutes to realize synchronous rotation.
It is unusual, the sliding block both ends are equipped with first rotation post and second respectively and rotate the post, be equipped with the oblique spout of open type on the first sub-arm that rotates, be equipped with the oblique spout of closed type on the second sub-arm that rotates, first rotation post is in slide in the oblique spout of open type, the second rotates the post and is in the oblique spout internal rotation of closed type will first rotation sub-arm, second rotate sub-arm and sliding block constitution connecting rod formula synchronous slewing mechanism and realize synchronous the rotation.
Particularly, the first rotating auxiliary arm and the second rotating auxiliary arm are provided with cams, inner holes of the cams are provided with connecting shafts extending outwards, integrally combined concave wheel connecting plates are transversely and fixedly arranged on the connecting shafts, concave wheels are arranged on the concave wheel connecting plates, and the concave wheels are matched with curved surfaces of the cams to achieve clamping point self-locking and screen supporting effects in the states of 0 degree and 180 degrees.
Particularly, one end of the connecting shaft is fixed with the first rotating auxiliary arm and the second rotating auxiliary arm, the other end of the connecting shaft is fixed with the end face of the fixing seat, and a spring which provides elasticity and torsion and meets the force control effect is arranged on the connecting shaft.
Particularly, the device comprises a rotating shaft cover, wherein the fixed seats are arranged at two ends of the rotating shaft cover, and packaging plates for realizing connection and positioning are arranged at two sides of the rotating shaft cover.
Particularly, the first gear sliding block and the fourth gear sliding block are respectively provided with a rotating hole, the second gear sliding block and the third gear sliding block are respectively provided with a rotating column, the rotating columns are matched with the rotating holes to respectively realize synchronous connection of the first gear sliding block and the second gear sliding block, and the third gear sliding block is synchronously connected with the fourth gear sliding block.
The utility model has the beneficial effects that: according to the bidirectional gear rack and slider connecting rod synchronous rotating mechanism provided by the utility model, the double gear racks are rotationally matched with the connecting rod type sliding block to jointly realize synchronous rotation, the side sliding groove and the side sliding column rotate to realize 0-180-degree rotation, the sliding block and the sliding column on the rotating arm form the connecting rod type synchronous rotating mechanism, the transverse sliding block on the sliding block is in sliding fit with the transverse sliding groove, namely, the fixed seat, the sliding block, the first rotating auxiliary arm and the second rotating auxiliary arm are linked to realize connecting rod type synchronization, the first rotating main arm and the second rotating main arm drive the first rotating auxiliary arm and the second rotating auxiliary arm to synchronously rotate, and the structural design of the concave cam and the spring is matched to meet the clamping point self-locking and supporting screen effects in the states of 0 degree and 180 degrees.
Drawings
FIG. 1 is the overall structure of the bidirectional gear rack and slider link synchronous rotating mechanism of the present invention.
Fig. 2 is an overall exploded view of the bidirectional gear rack and slider link synchronous rotating mechanism of the present invention.
FIG. 3 is a 0 degree structure diagram of the rotating shaft of the rotating mechanism of the utility model with the bidirectional gear rack and the slide block connecting rod synchronized.
FIG. 4 is a 90-degree structure diagram of a rotating shaft in a rotating mechanism with synchronous bidirectional gear rack and a slide block connecting rod.
FIG. 5 is a 180 degree structure view of the rotating shaft of the rotating mechanism of the utility model with the bidirectional gear rack and the slider connecting rod synchronized.
FIG. 6 is one of partial structure diagrams of the bidirectional gear rack and slider link synchronous rotating mechanism of the present invention.
FIG. 7 is a second structure diagram of the part of the rotating mechanism of the present invention with synchronous bidirectional rack and pinion and slide block connecting rod.
FIG. 8 is a third structural diagram of a part of a rotating mechanism for synchronizing the bidirectional rack and pinion with the slider link according to the present invention.
FIG. 9 is one of the exploded views of the bidirectional gear rack and slider link synchronous rotating mechanism of the present invention.
Fig. 10 is a second exploded view of the part of the rotating mechanism of the present invention with the bidirectional rack and pinion and the synchronous slide rod.
Fig. 11 is a third exploded view of the part of the rotating mechanism of the present invention with the bidirectional rack and pinion and the synchronous slide rod.
FIG. 12 is a fourth exploded view of the part of the bidirectional gear rack and slider link synchronous rotating mechanism of the present invention.
FIG. 13 is a fifth exploded view of the structure of the bidirectional gear rack and slider link synchronous rotating mechanism of the present invention.
FIG. 14 shows one of the components of the bi-directional rack and pinion and slider linkage synchronous rotating mechanism of the present invention.
Fig. 15 shows a second component of the bidirectional gear rack and slider link synchronous rotating mechanism of the present invention.
Fig. 16 shows a third component of a bidirectional gear rack and slider link synchronous rotating mechanism of the present invention.
FIG. 17 shows the fourth component of the bidirectional gear rack and slider link synchronous rotating mechanism of the present invention.
FIG. 18 shows a fifth embodiment of the present invention of a bi-directional rack and pinion and slider-link synchronized turning mechanism assembly.
FIG. 19 is an exploded view of the shaft of the bi-directional rack and pinion and slider-link synchronous turn mechanism of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
example (b):
as shown in fig. 1 to 19, the rotating mechanism for synchronizing a bidirectional gear rack and a slider link and the rotating mechanism for synchronizing a bidirectional gear rack and a slider link disclosed in this embodiment include a rotating shaft 1, where the rotating shaft 1 includes a fixed seat 2, first and second rotating main arms 3 and 4 are symmetrically arranged on two sides of the fixed seat 2, and a first gear slider 5, a second gear slider 6, a third gear slider 7, and a fourth gear slider 8 are arranged between the first and second rotating main arms 3 and 4; the fixed seat 2 is provided with symmetrically distributed latch teeth 21 and two groups of first sliding chutes 22 which are symmetrically distributed in a reverse direction, the second gear sliding block 6 and the third gear sliding block 7 are respectively provided with a first gear 111 and a first sliding block 112, the first main rotating arm 3 and the second main rotating arm 4 are respectively provided with a rack 113 and a second sliding block 114, and the first gear sliding block 5 and the fourth gear sliding block 8 are provided with a second gear 115 and a second sliding chute 116; the latch 21 is engaged with the first gear 111, the first sliding chute 22 is in sliding connection with the first sliding block 112 to realize synchronization, the second gear 115 is engaged with the rack 113, and the second sliding block 114 is in sliding connection with the second sliding chute 116 to form a bidirectional gear-rack synchronization mechanism; a sliding block 9 is arranged on the fixed seat 2, a first rotating auxiliary arm 10 and a second rotating auxiliary arm 11 which are connected in a rotating mode are arranged at two ends of the sliding block 9, the first rotating auxiliary arm 10 and the second rotating auxiliary arm 11 are connected with the sliding block 9 in a rotating mode, and the sliding block 9 and the fixed seat 2 are connected in a transverse sliding mode to form a connecting rod type sliding block synchronization mechanism; two groups of transverse sliding grooves 23 which are transversely and symmetrically distributed are formed in the fixed seat 2, transverse sliding blocks 91 are respectively arranged on two sides of the long edge of the sliding block 9, and the transverse sliding blocks 91 slide in the transverse sliding grooves 23 to realize synchronization; the first main rotating arm 3 is linked with the first auxiliary rotating arm 10, and the second main rotating arm 4 is linked with the second auxiliary rotating arm 11 to realize synchronous rotation of a 0-180-degree bidirectional gear rack matched with a sliding block connecting rod.
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 summary part of the utility model 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 first auxiliary rotating arm 10 and the second auxiliary rotating arm 11 are respectively provided with a side sliding column 201, the first main rotating arm 3 and the second main rotating arm 4 are provided with a side sliding slot 202, and the side sliding column 201 slides in the side sliding slot 202 to realize synchronous rotation. The 9 both ends of sliding block are equipped with first rotation post 92 and second respectively and rotate post 93, be equipped with the oblique spout 301 of open type on the first sub-arm 10 that rotates, the second rotates and is equipped with the oblique spout 302 of closed type on the sub-arm 11, first rotation post 92 is in slide in the oblique spout 301 of open type, the second rotates post 93 and is in the oblique spout 302 internal rotation of closed type will first rotation sub-arm 10, second rotate sub-arm 11 and 9 constitution connecting rod formula synchronous slewing mechanism of sliding block realize synchronous rotation. The first rotating auxiliary arm 10 and the second rotating auxiliary arm 11 are provided with cams 505, an inner hole of each cam 505 is provided with a connecting shaft 12 extending outwards, an integrally combined concave wheel connecting plate 13 is transversely and fixedly arranged on each connecting shaft 12, a concave wheel 504 is arranged on each concave wheel connecting plate 13, and the concave wheel 504 is matched with the curved surface of each cam 505 to realize the clamping point self-locking and screen supporting effects in the states of 0 degree and 180 degrees. One end of the connecting shaft 12 is fixed with the first rotating auxiliary arm 10 and the second rotating auxiliary arm 11, the other end of the connecting shaft is fixed with the end face of the fixed seat 2, and a spring 15 which provides elasticity and torsion and meets the force control function is arranged on the connecting shaft 12. The fixing seat 2 is arranged at two ends of the rotating shaft cover 14, and packaging plates 16 for realizing connection and positioning are arranged on two sides of the rotating shaft cover 14. The first gear slider 5 and the fourth gear slider 8 are respectively provided with a rotating hole 401, the second gear slider 6 and the fourth gear slider 7 are respectively provided with a rotating column 402, the rotating column 402 is matched with the rotating hole 401 to respectively realize synchronous connection of the first gear slider 5 and the second gear slider 6, and the third gear slider 7 is synchronously connected with the fourth gear slider 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 double gear rack is matched with the connecting rod type sliding block in a rotating mode to jointly realize synchronous rotation, the side sliding groove and the side sliding column rotate to realize 0-180-degree rotation, the sliding block and the sliding column on the rotating arm form a connecting rod type synchronous rotating mechanism, the transverse sliding block on the sliding block is matched with the transverse sliding groove in a sliding mode, namely the fixed seat 2, the sliding block, the first rotating auxiliary arm 10 and the second rotating auxiliary arm 11 are linked to realize connecting rod type synchronization, the first rotating main arm 3 and the second rotating main arm 4 drive the first rotating auxiliary arm 10 and the second rotating auxiliary arm 11 to rotate synchronously, and the structural design of the matched concave cam and the spring meets the clamping point self-locking and supporting screen effects in the states of 0 degree and 180 degrees.
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 (7)
1. Two-way rack and pinion and synchronous slewing mechanism of slider connecting rod, its characterized in that: the device comprises a rotating shaft, wherein the rotating shaft comprises a fixed seat, a first rotating main arm and a second rotating main arm which are symmetrically distributed are arranged on two sides of the fixed seat, and a first gear sliding block, a second gear sliding block, a third gear sliding block and a fourth gear sliding block which synchronously rotate are arranged between the first rotating main arm and the second rotating main arm;
the fixed seat is provided with symmetrically distributed latch teeth and two groups of first sliding chutes which are symmetrically distributed in the reverse direction, the second gear sliding block and the third gear sliding block are respectively provided with a first gear and a first sliding block, the first rotating main arm and the second rotating main arm are respectively provided with a rack and a second sliding block, and the first gear sliding block and the fourth gear sliding block are provided with a second gear and a second sliding chute;
the latch is meshed with the first gear, the first sliding chute is in sliding connection with the first sliding block to realize synchronization, the second gear is meshed with the rack, and the second sliding block is in sliding connection with the second sliding chute to form a bidirectional gear and rack synchronization mechanism;
the sliding block is arranged on the fixed seat, a first rotating auxiliary arm and a second rotating auxiliary arm which are connected in a rotating mode are arranged at two ends of the sliding block, the first rotating auxiliary arm and the second rotating auxiliary arm are connected with the sliding block in a rotating mode, and the sliding block and the fixed seat are connected in a transverse sliding mode to form a connecting rod type sliding block synchronization mechanism;
two groups of transverse sliding grooves which are transversely and symmetrically distributed are formed in the fixed seat, transverse sliding blocks are arranged on two sides of the long edge of each sliding block respectively, and the transverse sliding blocks slide in the transverse sliding grooves to realize synchronization;
the first rotating main arm is linked with the first rotating auxiliary arm, and the second rotating main arm is linked with the second rotating auxiliary arm to realize synchronous rotation of the two-way gear rack at 0-180 degrees in cooperation with the sliding block connecting rod.
2. The bi-directional rack and pinion and slider link synchronous swing mechanism of claim 1, further comprising:
the first rotating auxiliary arm and the second rotating auxiliary arm are respectively provided with a side sliding column, the first rotating main arm and the second rotating main arm are provided with side sliding grooves, and the side sliding columns slide in the side sliding grooves to realize synchronous rotation.
3. The bi-directional rack and pinion and slider link synchronous swing mechanism of claim 1, further comprising:
the sliding block both ends are equipped with first rotation post and second respectively and rotate the post, be equipped with the oblique spout of open type on the first sub-arm that rotates, be equipped with the oblique spout of closed type on the second rotation sub-arm, first rotation post is in slide in the oblique spout of open type, the second rotates the post and is in the oblique spout internal rotation of closed type will first rotation sub-arm, second rotate sub-arm and sliding block constitution connecting rod formula synchronous slewing mechanism and realize synchronous rotation.
4. The bi-directional rack and pinion and slider link synchronous swing mechanism of claim 1, further comprising:
the first rotating auxiliary arm and the second rotating auxiliary arm are provided with cams, inner holes of the cams are provided with connecting shafts extending outwards, the connecting shafts are transversely and fixedly provided with integrally combined concave wheel connecting plates, concave wheels are arranged on the concave wheel connecting plates, and the concave wheels are matched with curved surfaces of the cams to realize clamping point self-locking and screen supporting effects in states of 0 degree and 180 degrees.
5. The bi-directional rack and pinion and slider link synchronous swing mechanism of claim 4, further comprising:
one end of the connecting shaft is fixed with the first rotating auxiliary arm and the second rotating auxiliary arm, the other end of the connecting shaft is fixed with the end face of the fixing seat, and a spring which provides elasticity and torsion and meets the force control effect is arranged on the connecting shaft.
6. The bi-directional rack and pinion and slider link synchronous swing mechanism of claim 1, further comprising: the rotary shaft cover comprises a rotary shaft cover, wherein the fixed seats are arranged at two ends of the rotary shaft cover, and packaging plates for realizing connection and positioning are arranged at two sides of the rotary shaft cover.
7. The bi-directional rack and pinion and slider link synchronous swing mechanism of claim 1, further comprising:
the first gear sliding block and the fourth gear sliding block are respectively provided with a rotating hole, the second gear sliding block and the third gear sliding block are respectively provided with a rotating column, the rotating columns are matched with the rotating holes to respectively realize synchronous connection of the first gear sliding block and the second gear sliding block, and the third gear sliding block is synchronously connected with the fourth gear sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120374292.0U CN215720166U (en) | 2021-02-10 | 2021-02-10 | Bidirectional gear rack and slide block connecting rod synchronous rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120374292.0U CN215720166U (en) | 2021-02-10 | 2021-02-10 | Bidirectional gear rack and slide block connecting rod synchronous rotating mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN215720166U true CN215720166U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120374292.0U Active CN215720166U (en) | 2021-02-10 | 2021-02-10 | Bidirectional gear rack and slide block connecting rod synchronous rotating mechanism |
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| CN (1) | CN215720166U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508542A (en) * | 2022-03-11 | 2022-05-17 | 东莞华众鑫科技有限公司 | Skewed tooth pivot mechanism of folding screen of water droplet type |
| CN114688146A (en) * | 2021-02-10 | 2022-07-01 | 东莞市劲丰电子有限公司 | Bidirectional gear rack and slide block connecting rod synchronous rotating mechanism |
-
2021
- 2021-02-10 CN CN202120374292.0U patent/CN215720166U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688146A (en) * | 2021-02-10 | 2022-07-01 | 东莞市劲丰电子有限公司 | Bidirectional gear rack and slide block connecting rod synchronous rotating mechanism |
| CN114688146B (en) * | 2021-02-10 | 2024-07-30 | 东莞市劲丰电子有限公司 | Rotating mechanism for synchronizing bidirectional gear rack and slide block connecting rod |
| CN114508542A (en) * | 2022-03-11 | 2022-05-17 | 东莞华众鑫科技有限公司 | Skewed tooth pivot mechanism of folding screen of water droplet type |
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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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