Flexible scroll screen chain and chain wheel telescoping mechanism

Abstract

The utility model discloses a flexible scroll screen chain and chain wheel telescoping mechanism. The flexible scroll screen chain and chain wheel telescoping mechanism comprises a scroll screen; the outer side of the connecting piece is connected with the scroll screen; the transmission piece is in transmission connection with the inner side of the connecting piece; and the output end of the power source is in transmission connection with the transmission part. The technical problems that due to the fact that most extending mechanisms of the flexible scroll screen are designed to be of a connecting rod telescopic structure, the structure is complex, manufacturing difficulty is large, limitation to the size of a whole machine is large, and machining cost is high are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flexible scroll screen, in particular to a flexible scroll screen chain and sprocket telescopic mechanism. BACKGROUND

[0002] With the continuous development of display technology, flexible scroll screen emerges as the times require as a new and extremely potential display technology, which has shown extremely broad application prospects in many fields such as foldable devices and flexible wearable devices.

[0003] The key of flexible scroll screen lies in its telescopic mechanism, which undertakes the important mission of driving the flexible screen to perform folding or unfolding action accurately and stably, so that it has strict requirements on its comprehensive performance, including structural rationality, operation reliability, manufacturing economy and the like.

[0004] In the prior art, the telescopic mechanism of the flexible scroll screen is designed as a connecting rod telescopic structure, which has complex structure and high manufacturing difficulty, so that the size of the whole machine is limited and the processing cost is high.

[0005] In view of the problems in the prior art that the telescopic mechanism of the flexible scroll screen is designed as a connecting rod telescopic structure, which has complex structure and high manufacturing difficulty, so that the size of the whole machine is limited and the processing cost is high, no effective solution has been proposed at present. SUMMARY

[0006] The main purpose of the present application is to provide a flexible scroll screen chain and sprocket telescopic mechanism to solve the problems that the telescopic mechanism of the flexible scroll screen is designed as a connecting rod telescopic structure, which has complex structure and high manufacturing difficulty, so that the size of the whole machine is limited and the processing cost is high.

[0007] In order to achieve the above purpose, the present application provides a flexible scroll screen chain and sprocket telescopic mechanism.

[0008] The flexible scroll screen chain and sprocket telescopic mechanism according to the present application comprises a scroll screen;

[0009] a connecting piece, the outer side of which is connected with the scroll screen;

[0010] a transmission piece, which is in transmission connection with the inner side of the connecting piece;

[0011] a power source, the output end of which is in transmission connection with the transmission piece.

[0012] Further, it further comprises a shell, and the scroll screen, the connecting piece, the transmission piece and the power source are installed inside the shell.

[0013] Further, the transmission piece is a sprocket.

[0014] Further, the power source is an electric motor.

[0015] Further, the connecting member is a chain.

[0016] Further, the connecting member is composed of a plurality of mutually articulated outer links and inner links.

[0017] Further, the outer link is L-shaped.

[0018] Further, the outer link comprises a long side and a short side, the long side and the short side are connected at a right angle, the ends of the long side and the short side away from each other are smooth arc-shaped, and the end of the short side close to the long side has a notch.

[0019] Further, the inner link is oblong.

[0020] Further, two adjacent outer links are articulated with the two ends of the long side and the two ends of the inner link, respectively.

[0021] In the embodiments of the present application, the power source drives the connecting member, the outer side of the connecting member is connected with the reel screen, the inner side of the connecting member is drivingly connected with the transmission member, and the output end of the power source is drivingly connected with the transmission member, so as to support the reel screen, thereby achieving the technical effects of simplified structure, simple manufacturing, and low processing cost, and further solving the technical problems of complex structure, large manufacturing difficulty, large size limitation of the whole machine, and high processing cost caused by the flexible reel screen. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings, which form a part of the present application, are used to provide further understanding of the present application, make the purpose, features, and advantages of the present application more apparent, and make the present application more comprehensible. The illustrative embodiments of the present application and their description serve the purpose of explaining the present application. The present application is not limited by the improper limitation of the accompanying drawings. In the drawings:

[0023] Figure 1 is a structural schematic view of the flexible reel screen inside the shell according to the embodiments of the present application;

[0024] Figure 2 is a structural schematic view of the connecting member in a closed state according to the embodiments of the present application;

[0025] Figure 3 is a structural schematic view of the connecting member in an extended state according to the embodiments of the present application;

[0026] Figure 4 is a structural schematic view of the connecting member in a fully extended state according to the embodiments of the present application;

[0027] Figure 5 is a structural schematic diagram of an outer chain link according to an embodiment of the present application.

[0028] Reference signs

[0029] 1, connecting piece; 2, transmission piece; 3, outer shell; 4, outer chain link; 5, inner chain link; 6, long side; 7, short side; 8, notch. DETAILED DESCRIPTION

[0030] In order to make the personnel in the technical field better understand the present application scheme, the technical scheme in the present application embodiment will be clearly and completely described below in combination with the drawings in the present application embodiment. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0031] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0032] In the present application, the terms "up", "down", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0033] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "up" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For the person skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0034] In addition, the terms "mounting", "arrangement", "provided with", "connected", "linked", "sleeved" should be understood broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0036] As shown in Figures 1-5 The present application relates to a flexible reel screen chain sprocket telescopic mechanism, which comprises a reel screen;

[0037] A connecting piece 1 is connected to the outer side of the reel screen for supporting the reel screen;

[0038] A transmission piece 2 is drivingly connected to the inner side of the connecting piece 1 for transmitting power from a power source to the connecting piece 1 to cause displacement of the connecting piece 1;

[0039] A power source is drivingly connected to the transmission piece 2 for driving the transmission piece 2 to move, thereby driving the connecting piece 1 to displace; the power source can be a telescopic cylinder, which drives the transmission piece 2 to extend or retract through the piston rod of the telescopic cylinder, thereby driving the connecting piece 1 to extend or retract; the power source is preferably an electric motor, which drives the transmission piece 2 to rotate through the output end of the electric motor, thereby driving the connecting piece 1 to move;

[0040] An outer shell 3 is used to carry the components arranged inside the outer shell 3 and to limit or support the connecting piece 1; the reel screen, the connecting piece 1, the transmission piece 2 and the power source are installed inside the outer shell 3, and the chain and the reel screen can extend outside the outer shell 3.

[0041] As can be seen from the above description, in the embodiments of the present application, the connecting piece 1 is driven by the power source through the reel screen, the connecting piece 1 is connected to the outer side of the reel screen, the transmission piece 2 is drivingly connected to the inner side of the connecting piece 1, and the output end of the power source is drivingly connected to the transmission piece 2, thereby achieving the purpose of supporting the reel screen, and realizing the technical effects of simplified structure, simple manufacturing and low processing cost, thereby solving the technical problems of complex structure, high manufacturing difficulty, large size limitation of the whole machine and high processing cost caused by the telescopic mechanism of the flexible reel screen adopting a connecting rod telescopic structure design.

[0042] Further, the transmission member 2 is a chain wheel, the power source is a motor, and the connecting member 1 is a chain; the motor drives the chain wheel to rotate, and then drives the chain to move, so that the chain can be driven to reciprocate, and then the reel screen can be expanded or retracted; through the meshing of the chain and the chain wheel, the design of the reel screen extension and retraction mechanism is simplified, the manufacturing and management difficulty of the structure is reduced, and stable and reliable operation is ensured; the motor is connected with the chain wheel and is responsible for driving the chain to move, and can adjust the extension and retraction speed, holding force and lifting force; one end of the chain is fixedly connected with the flexible reel screen, and the screen is extended and retracted through the reciprocating movement of the chain.

[0043] Further, the connecting member 1 is composed of a plurality of mutually articulated outer links 4 and inner links 5, and the outer links 4 and the inner links 5 are connected in an articulated manner, so that the chain can be more flexible during transmission, and the running jamming phenomenon is reduced, and the running stability is improved.

[0044] Further, the outer link 4 is L-shaped, and the L-shaped design of the outer link 4 can adapt to the stress characteristics when the chain wheel is engaged, ensure that the stress distribution is more uniform, further improve the stability and precision of the engagement, and avoid chain breakage or chain jumping.

[0045] Further, the outer link 4 includes a long side 6 and a short side 7, and the long side 6 and the short side 7 are connected at a right angle, which helps to maintain the stability of the chain when bearing a large extension and retraction force, and prevents the chain from deforming or breaking; one end of the long side 6 and the short side 7 away from each other is arc-shaped, which is used to reduce the resistance when the chain rotates; one end of the short side 7 close to the long side 6 has a notch 8; the inner link 5 is long-circular-shaped, and the design of the long-circular-shaped inner link 5 can increase the articulation range and effectively reduce friction and wear during movement; two adjacent outer links 4 are articulated with two ends of the long side 6 and two ends of the inner link 5, respectively, which can flexibly adapt to the extension and retraction movement of the screen, ensure that the flexible reel screen is stably expanded or retracted during extension and retraction, and will not cause damage or jamming of the screen due to the limitation of the chain.

[0046] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A flexible reeled screen chain sprocket expansion mechanism, characterized by, The utility model relates to a winding screen, which comprises: a winding screen; a connecting piece connected with the winding screen on the outside; a transmission piece connected with the inner side of the connecting piece; a power source with the output end connected with the transmission piece.

2. The flexible spool screen chain and sprocket retraction mechanism of claim 1, wherein, Further comprising: a shell; the winding screen, the connecting piece, the transmission piece, the power source are installed inside the shell.

3. The flexible spool screen chain and sprocket retraction mechanism of claim 1, wherein, The transmission piece is a chain wheel.

4. The flexible spool screen chain and sprocket retraction mechanism of claim 1, wherein, The power source is a motor.

5. The flexible spool screen chain and sprocket retraction mechanism of claim 1, wherein, The connecting piece is a chain.

6. The flexible spool screen chain and sprocket retraction mechanism of claim 1, wherein, The connecting piece is composed of a plurality of mutually articulated outer links and inner links.

7. The flexible spool screen chain and sprocket retraction mechanism of claim 6, wherein, The outer link is L-shaped.

8. The flexible spool screen chain and sprocket retraction mechanism of claim 7, wherein, The outer link comprises a long side and a short side, which are connected at a right angle; the ends of the long side and the short side away from each other are smooth arc-shaped; and the end of the short side close to the long side has a notch.

9. The flexible spool screen chain and sprocket retraction mechanism of claim 8, wherein, The inner link is long-circular.

10. The flexible spool screen chain and sprocket retraction mechanism of claim 9, wherein, Two adjacent outer links are respectively articulated with the two ends of the long side and the two ends of the inner link.

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