CN217849482U - Reel flexible screen mobile terminal - Google Patents

Abstract

The utility model provides a reel flexible screen mobile terminal, which comprises a first shell, a driving motor and a second support body, wherein the first end of the flexible screen is connected in the first shell, the second support body is provided with an inner toothed belt, the first shell is fixedly connected with the inner toothed belt, the driving motor is arranged on the second support body, and the second end of the flexible screen is connected with the second support body; the driving motor is connected with the driving gear, the driving gear is meshed with the internal toothed belt, so that the first shell or the second support body can move back and forth to pull or furl the flexible screen. The utility model discloses use motor + speed reducer + belt gear + miniature belt as core actuating mechanism, miniature belt and synchronization function, screen one end is fixed on the supporter that the belt was installed, and the screen other end is fixed on the casing, realizes the synchronous concertina movement of screen. The utility model discloses can realize electronic quick screen that receive and releases, when not using electric drive, also can realize the motion function of relatively light manual pulling open or drawing in flexible screen.

Description

Reel flexible screen mobile terminal

Technical Field

The utility model relates to a mobile terminal field especially relates to a flexible screen mobile terminal of spool, mobile terminal can be cell-phone etc..

Background

Compared with the common application form of the folding flexible screen, the scroll type flexible screen is also a new product form. The key of the realization of the scroll type flexible screen is to ensure that a controlled driving mechanism ensures the fixed length of the flexible screen when the flexible screen is unfolded and folded, so as to avoid wrinkling and damage, synchronously deliver the required length of the flexible screen when the flexible screen is unfolded, and synchronously store the flexible screen with the corresponding length when the flexible screen is folded.

Most of the currently proposed schemes are manual schemes; the electric scheme mostly adopts a screw rod scheme, the retraction speed of the screw rod scheme depends on the screw pitch, and under the current condition, the rapid retraction and the effective control on the cost under a small volume are difficult to realize, and the manual mode and the electric mode are difficult to be obtained simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flexible screen mobile terminal of spool can adopt new scheme to realize quick electronic screen that receive and releases, also can adopt manual mode to receive and release the screen simultaneously. Therefore, the utility model adopts the following technical scheme:

a reel flexible screen mobile terminal comprises a flexible screen, a first shell, a driving motor and a second supporting body, wherein the first end of the flexible screen is connected into the first shell; the driving motor is connected with the driving gear through the speed reducing mechanism, and the driving gear is meshed with the internal toothed belt to enable the first shell or the second support body to move back and forth so as to pull or furl the flexible screen.

On the basis of adopting above-mentioned technical scheme, the utility model discloses still can adopt following further technical scheme, or to these further technical scheme combined use:

the inner toothed belt is a ring-path inner toothed belt, and a tensioning mechanism of the ring-path inner toothed belt is arranged in the second support body; the axial direction of the driving gear is perpendicular to the front-back movement direction.

The internal toothed belt adopts a timing belt, the driving gear and the tensioning mechanism are positioned on the second support body and move together with the second support body, and one section of the timing belt is connected with the first shell.

The driving gear is located at the front end of the second support body.

And a rolling wheel is arranged in the front part of the second support body to reduce motion damping, and the rolling wheel and the driving gear are arranged in parallel and are coaxial.

The second supporter includes casing and mounting panel, mounting panel and casing fixed connection, the straining device of driving motor and internal toothed belt installs on the mounting panel.

The flexible screen is provided with a tensioning mechanism, the tensioning mechanism comprises a fixed body and a tensioning connector, the fixed body and the other section of the inner toothed belt are fixed and are in sliding connection with a second supporting body, the tensioning connector is connected with a second end of the flexible screen, and an elastic structure is arranged between the fixed body and the tensioning connector.

The first shell is provided with a fixed block, and the fixed block is provided with a sliding guide rail of the second support body and a structure for connecting the sliding guide rail with the internal toothed belt.

The length of the inner toothed belt is greater than that of the flexible screen, and the length difference of the inner toothed belt and the flexible screen is matched with the forward and backward movement stroke of the first shell or the second support body.

The mobile terminal is provided with a set of coaxial end part two-side driving system, each side is provided with the inner toothed belt and the driving gear, and the inner toothed belt is connected with the fixed shell.

Because adopt the technical scheme of the utility model, the utility model discloses can adopt miniature timing belt, use motor + speed reducer + belt gear + miniature belt as core actuating mechanism, miniature belt and synchronization function, screen one end is fixed on the supporter that the belt was installed, and the screen other end is fixed on the casing, realizes the synchronous concertina movement of screen. The utility model discloses can realize electronic quick screen that receive and releases, when not using electric drive, also can realize the motion function of relatively light manual pulling open or drawing in flexible screen.

Drawings

Fig. 1a is a schematic view of the embodiment of the present invention in an assembled state.

FIG. 1b is a schematic view of the embodiment shown in FIG. 1a with the flexible screen hidden.

Fig. 2 is an exploded view of an embodiment of the present invention from an angle.

Fig. 3 is an exploded view of an embodiment of the present invention from another perspective.

Fig. 4 is an exploded view of an end two-side drive system according to an embodiment of the present invention.

Detailed Description

Reference is made to the accompanying drawings. The utility model provides a pair of flexible screen mobile terminal of spool, including flexible screen 100, the first casing is also fixed casing 200, driving motor 1 and the second supporter of this embodiment is also the movable support body of this embodiment, the first end of flexible screen 100 is also the fixed end of this embodiment and is connected in fixed casing 200, the movable support body sets up the flexible inner tooth area, fixed casing 200 and one section fixed connection of inner tooth area, driving motor 1 installs on the movable support body, the second end of flexible screen 100 is also the movable end of this embodiment and is connected with another section of inner tooth area; the driving motor 1 is connected with the driving gear 3 through the speed reducing mechanism 10, the speed reducing mechanism 10 can adopt a gear transmission device, the driving gear 3 is meshed with the internal toothed belt, the internal toothed belt can adopt a micro timing belt 2 (the size of the internal toothed belt only needs to meet the requirement of driving components such as a shell and a screen of the mobile terminal to move), when the driving motor 1 is driven by the speed reducing mechanism 10 and the driving gear 3 to roll, the micro timing belt 2 correspondingly drives the relevant mechanisms to move back and forth, and therefore the flexible screen 100 is also pulled open or folded along with the folding. The axial direction of the driving gear 3 is perpendicular to the forward and backward movement direction.

The mobile terminal is provided with a set of coaxial end part two-side driving systems, each side is provided with the timing belt 2 and the driving gear 3, and the driving gears 3 on the two sides can be respectively driven by the independent motor 1 or share one driving motor 1. The section of the timing belt 2 connected to the fixed housing 200 is located behind the drive gear 3.

The movement and the rest are relative to each other, and when the movable support is held by a hand during use, the top-fixed housing 200 becomes a movable body and the movable support becomes a fixed body (a stationary body).

The timing belt 2 is a circular inner toothed belt, in order to ensure the timing belt to run in an optimal state, a tensioning mechanism 4 for adjusting the tightness of the timing belt is arranged in the movable supporting body, and the tensioning mechanism 4 can be a thread adjusting structure capable of adjusting the front and back positions of a driven wheel 21 of the timing belt; the driving gear 3 and the tension mechanism 4 are located in a movable support body and move together with the movable support body, and one section of the timing belt 2 is used as a static body and is connected with a fixed shell 200.

The driving gear 3 is located at the front end of the movable support body. In order to reduce the rolling resistance of the screen as much as possible, a rolling wheel 5 is arranged in the front part of the movable support body, so that the motion damping is reduced, and the rolling wheel 5 and the driving gear 3 are arranged in parallel and are coaxial.

The movable support body comprises a shell 301 and a mounting plate 302, the mounting plate 302 is fixedly connected with the shell 301, and the drive motor 1 and the tensioning mechanism of the timing belt 2 are mounted on the mounting plate 302.

The stationary housing 200 is provided with a stationary block 201, the stationary block 201 being provided with a sliding guide 202 for moving the support body and a structure (such as a clamp block 203) for connecting with a timing belt. The housing 301 or the mounting plate 302 may be provided with a slide groove 303 which cooperates with the guide rail 202 to constitute a sliding pair.

The flexible screen 100 is provided with a tensioning mechanism, the tensioning mechanism comprises a fixed body 101 and a tensioning connecting body 102, the fixed body 101 and the other section of the timing belt 2 are fixed and are slidably connected with the casing 301, reference numeral 104 is a clamping part of the fixed body 101 connected with the timing belt, the tensioning connecting body 102 is connected with the second end of the flexible screen 100, an elastic structure, such as a spring 103, is arranged between the fixed body 101 and the tensioning connecting body 102, the fixed body 101 is used as a support, and the tensioning connecting body 102 is tightly pressed, so that the flexible screen 100 is tensioned.

The length of the timing belt 2 is greater than that of the flexible screen 100, and the length difference between the two is matched with the back-and-forth movement stroke of the first shell or the second support.

The above description is only for the specific embodiments of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications made by those skilled in the art in the field of the present invention are all covered in the protection scope of the present invention.

It should be noted that the terms "comprising" and "having," and any variations thereof, in the description and claims of the present invention and in the above-described drawings are intended to cover non-exclusive inclusions. The terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "the inside", "the level", "the end", "the length", "the outer end", "the left", "the right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention. The terms "first" and "second" are also used for brevity in the description only and are not intended to indicate or imply relative importance.

Claims (10)

1. A reel flexible screen mobile terminal comprises a flexible screen, a first shell, a driving motor and a second supporting body, wherein the first end of the flexible screen is connected into the first shell; the driving motor is connected with the driving gear through the speed reducing mechanism, the driving gear is meshed with the internal toothed belt, so that the first shell or the second support body can move back and forth, and the flexible screen is pulled open or folded.

2. The reel flexible screen mobile terminal according to claim 1, wherein the internal toothed belt is an in-loop toothed belt, and a tensioning mechanism of the in-loop toothed belt is arranged in the second support body; the axial direction of the driving gear is perpendicular to the front-back movement direction.

3. The mobile terminal as claimed in claim 2, wherein the internal toothed belt is a timing belt, the driving gear and the tensioning mechanism are located on and move with the second support, and one section of the timing belt is connected to the first housing.

4. The mobile terminal with a scrolling flexible screen as recited in claim 1, wherein the driving gear is located at the front end of the second support.

5. The mobile terminal with a flexible screen and a scroll according to claim 1 or 4, wherein a rolling wheel is arranged in the front part of the second support body to reduce the motion damping, and the rolling wheel is arranged in parallel with the driving gear and is coaxial with the driving gear.

6. The mobile terminal with a reel flexible screen according to claim 1, wherein the second supporting body comprises a housing and a mounting plate, the mounting plate is fixedly connected with the housing, and the driving motor and the tensioning mechanism of the internal toothed belt are mounted on the mounting plate.

7. The mobile terminal of claim 1, wherein the flexible screen is configured with a tensioning mechanism, the tensioning mechanism comprises a fixed body and a tensioning connecting body, the fixed body and the other section of the inner toothed belt are fixed and slidably connected with the second supporting body, the tensioning connecting body is connected with the second end of the flexible screen, and an elastic structure is arranged between the fixed body and the tensioning connecting body.

8. A roller flexible screen mobile terminal as claimed in claim 1, characterized in that the first housing is provided with a fixed block provided with a sliding guide of the second support and means for connection with an internal toothed belt.

9. The mobile terminal of claim 1, wherein the length of the inner toothed belt is greater than the length of the flexible screen, and the difference between the lengths of the inner toothed belt and the flexible screen matches with the back-and-forth movement stroke of the first housing or the second support.

10. The mobile terminal of claim 1, wherein the mobile terminal comprises a coaxial end two-sided drive system, each side comprising the inner toothed belt and the driving gear, and the section of the inner toothed belt connected to the fixed housing is located behind the driving gear.

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