CN219317424U

CN219317424U - Folding screen bending linkage mechanism

Info

Publication number: CN219317424U
Application number: CN202320637025.7U
Authority: CN
Inventors: 陈家贤
Original assignee: Shenzhen Rongchuang Jiaye Technology Co ltd
Current assignee: Shenzhen Rongchuang Jiaye Technology Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-07-07
Anticipated expiration: 2033-03-20

Abstract

The utility model relates to the technical field of folding screens, and discloses a folding screen bending linkage mechanism which comprises a sliding panel, a lower panel and an upper panel, wherein the sliding panel can slide relative to the lower panel, and the upper panel rotates by 0-180 degrees relative to the lower panel and the sliding panel through a rotating cylinder and a rotating column along a semicircular rotating groove fixed on the lower panel. The folding screen bending linkage mechanism achieves large-angle bending of the folding screen by arranging the bent rod, the supporting rod, the rotating groove and the sliding column to be matched. And secondly, when the folding screen is completely unfolded or completely folded and closed, the locking can be formed by providing reverse force through the bent rod. Solves the problems of no locking, friction locking and spring ball locking in the prior art.

Description

Folding screen bending linkage mechanism

Technical Field

The utility model relates to the technical field of folding screens, in particular to a folding screen bending linkage mechanism.

Background

The development and application of OLED flexible screen technology are mature, so that the generation and development of foldable mobile phones are promoted, one part of the existing folding screen linkage mechanism is not provided with a locking mechanism, the other part of the existing folding screen linkage mechanism is locked through friction, and the other part of the existing folding screen linkage mechanism is locked through a spring ball. The main problems existing in the prior art are as follows:

1. the displacement movement of the folding screen is limited by completely relying on the damping action of the folding screen without the locking mechanism, so that the folding screen is easy to collide and damage to the folding screen due to vibration, shaking and the like in the use process.

2. Friction locking has the serious problem of friction mechanism wearing and tearing on the one hand, and on the other hand friction locking often needs the user to use great strength to remove the locking, easily damages the screen or breaks the folding screen.

3. The spring ball locking structure is comparatively complicated, and locking structure cooperation degree requirement is higher, in case the resilience problem or sphere and sphere recess cooperation appear the problem in the spring, then hardly lock, and the maintenance degree of difficulty is also great.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a folding screen bending linkage mechanism, which solves the problems of the prior folding screen linkage mechanism in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a folding screen link gear of buckling, includes slip panel, lower panel, top panel, the slip panel can slide relatively lower panel, the surface fixedly connected with of top panel rotates a section of thick bamboo, the equal fixedly connected with of the left and right sides internal surface of a section of thick bamboo rotates the post, the top panel rotates the semicircular rotary groove of section of thick bamboo and rotation post along fixing on the lower panel through rotating a section of thick bamboo, rotates 0-180 with slip panel relatively lower panel.

The left and right sides surface of slip panel all rotates and is connected with the support arm, the rotary cylinder surface rotates and is connected with the knee lever, the knee lever rotates with the support arm to be connected, and when the panel is 0 folding or the panel is 180 opening for the panel that slides relatively to the panel that slides, an arm and the support arm of knee lever are coaxial and along the face longitudinal axis setting of slip panel, and another arm slope of knee lever is towards the base angle direction of rotary tank.

Preferably, the outer surfaces of the two sides of the sliding panel are provided with switching tables extending to the opposite sides of the lower panel, one end of the supporting arm is rotationally connected with the part of the switching table positioned on the opposite sides of the lower panel, and the other end of the supporting arm is rotationally connected with the bent rod.

Preferably, the transfer platform is provided with a through hole at the opposite side of the lower panel, the support arm is fixed with a slide bar, and the slide bar passes through the through hole to be in pressing sliding connection with the lower panel.

Preferably, the supporting arm is provided with a sliding groove along the axial direction, and the curved bar is provided with a sliding column. The sliding column is inserted into the sliding groove and slides along the sliding groove.

Preferably, the sliding column is a stud bolt in threaded connection with a curved rod, and the curved rod is in threaded connection with a polygonal nut which slides with the sliding groove but cannot rotate on the other side of the sliding groove.

Preferably, the included angle between the two arms of the curved lever is 110-130 degrees.

Compared with the prior art, the utility model has the beneficial effects that:

1. the folding screen bending linkage mechanism achieves large-angle bending of the folding screen by arranging the bent rod, the supporting rod, the rotating groove and the sliding column to be matched. And secondly, when the folding screen is completely unfolded or completely folded and closed, the locking can be formed by providing reverse force through the bent rod. Solves the problems of no locking, friction locking and spring ball locking in the prior art.

2. The folding screen bending linkage mechanism can adjust the force required to be used when bending and contact locking according to the habit of a user.

Drawings

FIG. 1 is a schematic view of the structure of the utility model when folded by 0 degrees;

FIG. 2 is a schematic view of the structure of the utility model when folded at 45 degrees;

FIG. 3 is a schematic view of the structure of the utility model when folded by 90 degrees;

FIG. 4 is a schematic view of the structure of the utility model when folded 135 degrees;

FIG. 5 is a schematic view of the structure of the utility model when folded 180 degrees;

FIG. 6 is an enlarged schematic view of FIG. 2A;

FIG. 7 is a schematic view of a rotary drum according to the present utility model;

fig. 8 is a schematic diagram of a back-facing structure of a chute according to the present utility model.

In the figure: 1. a sliding panel; 2. an upper panel; 3. a support arm; 301. a sliding groove; 4. a chute; 5. a rotating cylinder; 6. a curved bar; 7. a rotating seat; 8. a rotating groove; 9. rotating the column; 12. a lower panel; 13. a transfer table; 14. a slide bar; 15. a sliding column; 16. a polygonal nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The utility model provides a folding screen link gear that buckles, shown as fig. 1-7, includes slip panel 1, lower panel 12, top panel 2, slip panel 1 can slide relative lower panel 12, the surface fixedly connected with of top panel 2 rotates section of thick bamboo 5, the equal fixedly connected with of left and right sides internal surface of rotation section of thick bamboo 5 rotates post 9, top panel 2 rotates 0-180 along the semicircular rotary groove 8 of fixing on lower panel 12 through rotating section of thick bamboo 5 and rotation post 9, relative lower panel 12 and slip panel 1. The left and right sides surface of slip panel 1 all rotates and is connected with support arm 3, the rotation of a section of thick bamboo 5 surface is connected with curved bar 6, curved bar 6 rotates with support arm 3 to be connected, and when panel 2 relative slip panel 1 is 0 folding or panel 2 relative slip panel 1 is 180 and opens, one arm of curved bar 6 and support arm 3 coaxial and along the face longitudinal axis setting of slip panel 1, the inclination of curved bar 6 other arm is towards the base angle direction of rotary tank 8.

At this time, the folding screen is fixed to the right side surfaces of the slide panel 1 and the upper panel 2 as shown in fig. 1.

The working process of the linkage mechanism is as follows:

when in the fully opened state as shown in fig. 1, one arm of the curved lever 6 is coaxial with the support arm 3 and is disposed in the longitudinal axial direction of the plate surface of the slide panel 1, and the other arm of the curved lever 6 is inclined toward the bottom angle direction of the rotation groove 8. At this time, under the friction force of the sliding panel 1 or the tension of the folding screen or the hand-held pressure of the user, the curved lever 6 provides a reverse supporting force relative to the rotation direction of the upper panel 2 to form a certain locking effect, so that the upper panel 2 cannot rotate under the action of a small external force, and uncontrolled abrupt bending of the upper panel 2 is effectively avoided.

When it is desired to change the upper panel 2 from the open state of fig. 1 to the closed state with respect to the slide panel 1: first, a force in the downward right direction in fig. 1 is applied to the upper panel 2, so that the curved lever 6 is forced to move leftward first, releasing the locking effect. Simultaneously, the rotary cylinder 5 rotates along the rotary groove 8 on the outer surface of the rotary seat 7 under the limit action of the rotary column 9. At this time, the curved lever 6 drives the supporting arm 3 to lift up under the rotation action of the rotating cylinder 5, and the supporting arm 3 drives the sliding panel 1 to lift up relative to the lower panel 12, so that the folding screen bends oppositely until the folding is completed as shown in fig. 5.

When the folding state is changed as shown in fig. 5, the supporting arm 3 is in a vertical state, one arm of the curved lever 6 is coaxial with the supporting arm 3 and is arranged along the longitudinal axial direction of the plate surface of the sliding panel 1, and the other arm of the curved lever 6 is inclined toward the bottom angle direction of the rotating groove 8. At this time, under the friction force of the sliding panel 1 or the tension of the folding screen or the holding pressure of the user, the curved bar 6 provides a certain locking effect against the reverse supporting force of the rotating direction of the upper panel 2, so that the upper panel 2 rotates for a while due to normal vibration (such as walking, riding, etc.), thereby remarkably reducing the possibility of collision of the folding screen due to normal vibration, and protecting the folding screen.

Example 2

Based on the folding screen bending linkage mechanism of the embodiment 1, as shown in fig. 1-5, the outer surfaces of two sides of the sliding panel 1 are provided with switching tables 13 extending to opposite sides of the lower panel 12, one end of the supporting arm 3 is rotatably connected with a part of the switching table 13 located opposite sides of the lower panel 12, and the other end is rotatably connected with the curved bar 6.

Specific: the transfer table 13 is provided with through holes at the opposite side parts of the lower panel 12, the support arm 3 is fixedly connected with a slide bar 14 in a threaded manner, and the slide bar 14 passes through the through holes to be in propping sliding connection with the lower panel 12.

The structure is simple, the sliding panel can stably slide on the lower panel, and meanwhile, the disassembly, the replacement and the maintenance of parts are convenient.

Example 3

Based on the folding screen bending linkage mechanism of embodiment 1, as shown in fig. 6, the supporting arm 3 is provided with a sliding groove 4 along the axial direction, and the curved bar 6 is provided with a sliding column 15. The sliding column 15 is inserted into the chute 4 and slides along the chute 4.

When the user uses the smart device, the upper panel 2 is generally fully opened so that the folding screen is fully opened, and at this time, the user may cause the lower panel 12 to slide relative to the sliding panel 1 when operating the smart device. The sliding groove 4 is additionally arranged, so that the bent rod 6 cannot be moved immediately when the sliding occurs, and the opened state of the locking foldable screen of the bent rod 6 is maintained.

Example 4

Based on the folding screen bending linkage mechanism of embodiment 3, as shown in fig. 8, the sliding column 15 is a stud screwed with the curved rod 6, and the curved rod 6 is screwed with a polygonal nut 16 sliding with the sliding chute 4 at the other side of the sliding chute 4. The supporting arm 3 is provided with a sliding groove 301 matched with the polygonal nut 16 on the side, provided with the polygonal nut 16, of the sliding groove 4, and the polygonal nut 16 can slide but cannot rotate in the sliding groove 301. The sliding column 15 is provided with a cross groove or a straight groove or a hexagonal groove on one side of the curved bar 6 as required.

At this time, the user can adjust the pressure between the crank 6 and the chute 4 by rotating the slide column 15 as needed, thereby changing the frictional force between the crank 6 and the support arm 3 and correspondingly changing the resistance of the relative rotation and the relative sliding between the crank 6 and the support arm 3. And the force required to be used when the folding screen is opened or closed and the force required to be used when the folding screen is locked can be adjusted according to the habit of the user.

According to one embodiment of the utility model, the angle between the arms of the curved lever 6 is 110-130. This arrangement allows the knee lever 6 to provide a good opposing force and lock when the folding screen is fully unfolded or fully folded, without requiring a great force by the user to overcome this opposing force to unlock the lock.

The above-mentioned respective means concerning the use of the apparatus are different in selection and use according to actual practice, and various parameters are referred to, and the function according to the apparatus used corresponds to the effect achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a folding screen link gear of buckling, includes slip panel (1), lower panel (12), top panel (2), but slip panel (1) slip its characterized in that relative lower panel (12): the outer surface of the upper panel (2) is fixedly connected with a rotating cylinder (5), the inner surfaces of the left side and the right side of the rotating cylinder (5) are fixedly connected with rotating columns (9), and the upper panel (2) rotates by 0-180 degrees relative to the lower panel (12) and the sliding panel (1) along a semicircular rotating groove (8) fixed on the lower panel (12) through the rotating cylinder (5) and the rotating columns (9);

the left and right sides surface of slip panel (1) all rotates and is connected with support arm (3), rotate section of thick bamboo (5) surface rotation and be connected with knee (6), knee (6) and support arm (3) rotate and are connected, and when panel (2) are 0 folding or panel (2) are 180 opening relatively to panel (1) that slide relatively to panel (1), an arm and support arm (3) coaxial and follow the face longitudinal axis setting of panel (1) of sliding of knee (6), another arm slope orientation of knee (6) rotates the base angle direction of groove (8).

2. The folding screen bending linkage of claim 1, wherein: the outer surfaces of the two sides of the sliding panel (1) are provided with switching tables (13) extending to the opposite sides of the lower panel (12), one end of the supporting arm (3) is rotationally connected with the part of the switching table (13) located at the opposite sides of the lower panel (12), and the other end of the supporting arm is rotationally connected with the bent rod (6).

3. The folding screen bending linkage of claim 2, wherein: the switching platform (13) is provided with a through hole at the part of the opposite side surface of the lower panel (12), the supporting arm (3) is fixedly provided with a sliding rod (14), and the sliding rod (14) passes through the through hole to be in propping sliding connection with the lower panel (12).

4. The folding screen bending linkage of claim 1, wherein: the supporting arm (3) is axially provided with a sliding groove (4), and the curved rod (6) is provided with a sliding column (15); the sliding column (15) is inserted into the sliding groove (4) and slides along the sliding groove (4).

5. The folding screen bending linkage of claim 4, wherein: the sliding column (15) is a stud bolt in threaded connection with the curved rod (6), and the curved rod (6) is in threaded connection with a polygonal nut (16) which slides with the sliding groove (4) but cannot rotate on the other side of the sliding groove (4).

6. The folding screen bending linkage of claim 1, wherein: the included angle between the two arms of the curved rod (6) is 110-130 degrees.