CN113531078A

CN113531078A - A remove module that is used for flexible screen to slide expansion and contraction

Info

Publication number: CN113531078A
Application number: CN202110982056.1A
Authority: CN
Inventors: 周志鹏; 翁孟坤; 黄小军
Original assignee: Once Top Motor Manufacture Co ltd
Current assignee: Once Top Motor Manufacture Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2021-10-22

Abstract

The invention discloses a mobile module for sliding, expanding and contracting a flexible screen, which comprises: the device comprises a driving motor, a speed reducer, a gear transmission assembly, a motion assembly and a synchronous output assembly; the motion subassembly is used for ordering about movable support linear motion, including braced frame and drive block, be equipped with screw lead screw and guide arm in the braced frame, screw lead screw passes through first ball bearing and braced frame switching, the drive block is located in the braced frame and its one side and screw lead screw threaded connection, its opposite side and guide arm sliding connection, synchronous output subassembly is located in the braced frame and is located one side of drive block, it is used for ordering about flexible screen contraction and expansion with drive block synchronous motion, driving motor and speed reducer locate braced frame's one end. According to the invention, when the mobile module is applied to an electronic product, a mobile support and a flexible screen thereof, accurate driving is realized, the flexible screen is synchronously contracted and expanded, the effects of small occupied space, stable and accurate action are achieved, and the cost performance and market competitiveness of the product are improved.

Description

A remove module that is used for flexible screen to slide expansion and contraction

Technical Field

The invention belongs to the technical field of flexible screen equipment of electronic products, and particularly relates to a moving module for sliding, expanding and contracting a flexible screen.

Background

Nowadays, along with the continuous breakthrough of the flexible screen technique of LED, bring a lot of facilities for the function development of the electronic product that uses the flexible screen, the successful volume production of flexible screen is not only significantly good at the manufacturing of the high-end smart mobile phone of new generation, also because of its low-power consumption, the flexible characteristic brings profound influence to the application of wearable equipment, in prior art, like smart mobile phone, Ipad, on the new function innovation of consumer electronics such as autopilot new line display equipment or well accuse panel, need it to realize through self removal support extension or withdrawal display screen under the different use occasion, so, how to design a accurate, the accurate and flexible screen that occupation space is little slides the removal module that contracts, become a technical problem that needs to solve urgently.

Disclosure of Invention

The present invention is directed to a mobile module for sliding and expanding a flexible screen, so as to solve the above mentioned problems in the background art.

In order to realize the purpose of the invention, the technical scheme is as follows:

the utility model provides a remove module that is used for flexible screen to slide and expand, is applied to electronic product and removes support thereof, includes: the driving motor is used for providing original driving force, and the speed reducer, the gear transmission assembly, the motion assembly and the synchronous output assembly are arranged at the output end of the driving motor; the motion subassembly is used for ordering about movable support linear motion, including braced frame and drive block, be equipped with in the braced frame and be used for drive block linear motion's screw lead screw and guide arm, the screw lead screw through first ball bearing with the braced frame switching, the drive block is located in the braced frame and its one side with screw lead screw threaded connection, its opposite side with guide arm sliding connection, synchronous output subassembly is located in the braced frame and be located one side of drive block, its with drive block synchronous motion is used for ordering about flexible screen exhibition that contracts, driving motor with the speed reducer is located braced frame's one end, it is through being used for moment to turn to output gear drive subassembly with the one end meshing of screw lead screw is connected, is used for rotating the screw lead screw.

The invention is further configured to: the gear transmission assembly comprises a conical tooth arranged at the output end of the speed reducer, a transmission tooth arranged at one end of the threaded screw rod and a combined tooth arranged at one end of the supporting frame and meshed with the conical tooth and the transmission tooth respectively, a fixed seat is arranged at one end of the supporting frame, the speed reducer is arranged in the fixed seat, and the driving motor, the speed reducer and the fixed seat are fixed through laser welding.

The invention is further configured to: and a rotating shaft rod is arranged at one end of the supporting frame and positioned at the combined tooth, and the combined tooth is connected to the rotating shaft rod in a rotating way.

The invention is further configured to: synchronous output subassembly includes symmetrical arrangement's runner and cover and locates on the runner and with runner belt drive's internal tooth drive belt, two the equal symmetry switching in both ends of runner has second ball bearing, one side of braced frame is corresponding to be offered and is used for matching the U-shaped bearing room of second ball bearing is used for synchronous output subassembly with motion assembly's connection.

The invention is further configured to: the driving block faces one side of the internal tooth transmission belt is integrally connected with a synchronous driving arm, an internal tooth groove is formed in one side of the synchronous driving arm, and the internal tooth groove is meshed with internal teeth of the internal tooth transmission belt.

The invention is further configured to: and one side of the supporting frame is provided with a plurality of mounting holes for positioning and fixed mounting.

The invention is further configured to: and one side of the driving block is provided with a plurality of thread holes used for being fixedly installed with the movable support.

The invention is further configured to: one end of each of the conical teeth and the combined teeth is in a 90-degree orthogonal conical tooth structural design and is used for meshing and connecting the conical teeth and the vertical positions of the combined teeth, and the other end of each of the combined teeth is in a positive tooth structural design and is used for meshing and connecting the combined teeth and the parallel positions of the transmission teeth.

The invention is further configured to: under the drive of the driving block, the internal tooth transmission belt and the driving block move synchronously in the same direction on one side in meshed connection with the synchronous driving arm, and the internal tooth transmission belt and the driving block move synchronously in the opposite direction on the other side.

The invention is further configured to: the threaded screw rod and the guide rod are arranged in parallel in the supporting frame, and two ends of the guide rod are fixedly connected with the supporting frame.

In summary, compared with the prior art, the invention discloses a moving module for sliding, expanding and contracting a flexible screen, which comprises a driving motor, a speed reducer, a gear transmission assembly, a moving assembly and a synchronous output assembly, wherein the moving assembly comprises a supporting frame and a driving block, a threaded screw rod and a guide rod are arranged in the supporting frame, the threaded screw rod is connected with the supporting frame through a first ball bearing in a switching way, the driving block is arranged in the supporting frame, one side of the driving block is in threaded connection with the threaded screw rod, the other side of the driving block is in sliding connection with the guide rod, the synchronous output assembly is arranged in the supporting frame and positioned at one side of the driving block and moves synchronously with the driving block, the driving motor and the speed reducer are arranged at one end of the supporting frame, the driving motor and the speed reducer are in meshed connection with one end of the threaded screw rod through the gear transmission assembly, namely, through the arrangement, when the moving module is applied to an electronic product, a moving bracket and the flexible screen, accurate driving is achieved, the flexible screen is synchronously contracted and expanded, the action effects of small occupied space, stability and precision are achieved, and the cost performance and market competitiveness of products are improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of a mobile module for sliding and expanding a flexible screen according to this embodiment;

FIG. 2 is a schematic perspective view of the motion assembly provided in this embodiment;

fig. 3 is a schematic perspective view of the synchronous output assembly provided in this embodiment;

FIG. 4 is an exploded view of the gear assembly provided in the present embodiment;

fig. 5 is a schematic perspective view of a supporting frame according to the present embodiment;

fig. 6 is a schematic perspective view of a supporting frame according to the present embodiment;

fig. 7 is a schematic perspective view of the driving block provided in this embodiment.

Reference numerals: 1. a drive motor; 2. a speed reducer; 3. a gear drive assembly; 31. tapered teeth; 32. a transmission gear; 33. combining teeth; 4. a motion assembly; 41. a support frame; 42. a drive block; 421. a synchronous drive arm; 422. an inner tooth socket; 423. a thread hole; 43. a threaded lead screw; 431. a first ball bearing; 44. a guide bar; 45. a fixed seat; 46. a spindle rod; 47. a U-shaped bearing chamber; 48. mounting holes; 5. a synchronous output component; 51. a rotating wheel; 511. a second ball bearing; 52. an internally toothed drive belt; 521. an internal tooth transmission belt A surface; 522. and the inner tooth is used for driving the surface B.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described above may be combined with each other as long as they do not conflict with each other.

A mobile module for sliding and expanding a flexible screen is applied to an electronic product and a mobile bracket thereof, as shown in fig. 1 and 2, and comprises: the device comprises a driving motor 1 for providing original driving force, and a speed reducer 2, a gear transmission assembly 3, a motion assembly 4 and a synchronous output assembly 5 which are arranged at the output end of the driving motor 1; the moving assembly 4 is used for driving the moving support to move linearly, and comprises a supporting frame 41 and a driving block 42, a threaded screw rod 43 and a guide rod 44 which are used for driving the driving block 42 to move linearly are arranged in the supporting frame 41, the threaded screw rod 43 is connected with the supporting frame 41 through a first ball bearing 431 in a switching mode, the driving block 42 is arranged in the supporting frame 41, one side of the driving block is in threaded connection with the threaded screw rod 43, the other side of the driving block is in sliding connection with the guide rod 44, a synchronous output assembly 5 is arranged in the supporting frame 41 and located on one side of the driving block 42, moves synchronously with the driving block 42 and is used for driving the flexible screen to expand and contract, a driving motor 1 and a speed reducer 2 are arranged at one end of the supporting frame 41, and are in meshed connection with one end of the threaded screw rod 43 through a gear transmission assembly 3 which is used for torque steering output.

In the specific implementation process, the moving assembly 4 is fixedly connected with a shell or other fixed parts of an electronic product through the supporting frame 41, the driving block 42 is connected with a moving support of the electronic product and drives the moving support to move linearly, the moving support is kept to contract and expand, meanwhile, the synchronous output assembly 5 which moves synchronously with the driving block 42 keeps the flexible screen and the moving support to contract and expand synchronously, the design purpose is achieved, the occupied space is saved, and stable and precise movement is guaranteed.

As shown in fig. 1 and 4, the gear transmission assembly 3 includes a conical tooth 31 disposed at the output end of the speed reducer 2, a transmission tooth 32 disposed at one end of the threaded screw 43 and a combined tooth 33 disposed at one end of the supporting frame 41 and respectively engaged with the conical tooth 31 and the transmission tooth 32, a fixed seat 45 is disposed at one end of the supporting frame 41, the speed reducer 2 is disposed in the fixed seat 45, the driving motor 1, the speed reducer 2 and the fixed seat 45 are fixed by laser welding, that is, the conical tooth 31, the transmission tooth 32 and the combined tooth 33 are matched, the output torque of the driving motor 1 is applied to the threaded screw 43 after being reduced and increased by the speed reducer 2, and the threaded screw 43 is driven to rotate.

Referring to fig. 5, a rotating shaft 46 is disposed at one end of the supporting frame 41 and at the position of the combining teeth 33, and the combining teeth 33 are connected to the rotating shaft 46, so as to stabilize the connection relationship between the gears and improve the structural accuracy.

As shown in fig. 3, the synchronous output assembly 5 includes the runners 51 that are symmetrically arranged and the internal gear transmission belt 52 that is sleeved on the runners 51 and drives with the runners 51, the internal gear transmission belt 52 is fixed with the back bonding of flexible screen, the both ends of two runners 51 are all symmetrically connected with the second ball bearing 511, one side of the support frame 41 is correspondingly provided with the U-shaped bearing chamber 47 for matching the second ball bearing 511, the connection for the synchronous output assembly 5 and the moving assembly 4 is realized, the occupied space is saved, the friction coefficient of the runners 51 is reduced through the second ball bearing 511, and the efficiency loss of the transmission force is reduced.

Further, as shown in fig. 7, a synchronous driving arm 421 is integrally connected to one side of the driving block 42 facing the internal tooth transmission belt 52, an internal tooth socket 422 is formed on one side of the synchronous driving arm 421, and the internal tooth socket 422 is engaged with the internal teeth of the internal tooth transmission belt 52 to realize the synchronous movement of the internal tooth transmission belt 52 and the driving block 42, so as to facilitate the expansion and contraction of the flexible screen.

Wherein, one side of the driving block 42 is provided with a plurality of screw thread holes 423 for fixing with the movable bracket.

As shown in fig. 6, a plurality of mounting holes 48 for positioning and fixing are opened at one side of the supporting frame 41.

In this embodiment, one end of each of the tapered teeth 31 and the combined teeth 33 is designed into a 90 ° orthogonal tapered tooth structure for the vertical meshing connection between the tapered teeth 31 and the combined teeth 33, and the other end of the combined teeth 33 is designed into a regular tooth structure for the parallel meshing connection between the combined teeth 33 and the transmission teeth 32.

It should be noted that, under the driving of the driving block 42, the internal toothed transmission belt 52 and the driving block 42 move synchronously, the internal toothed transmission belt 52 on one side meshed with the synchronous driving arm 421 moves synchronously and in the same direction as the driving block 42, and the internal toothed transmission belt 52 on the other side moves synchronously and in reverse direction with the driving block 42, that is, referring to fig. 3, one side of the internal toothed transmission belt 52 acting with the synchronous driving arm 421 is regarded as an internal toothed transmission belt B surface 522, the side of the internal toothed transmission belt 52 away from the synchronous driving arm 421 is an internal toothed transmission belt a surface 521, in the practical application process, the internal toothed transmission belt B surface 522 moves synchronously and in the same direction as the driving block 42, the internal toothed transmission belt a surface 521 and the driving block 42 move synchronously and in reverse direction, the flexible screen to be expanded and contracted is arranged on the electronic product and the moving bracket thereof in a U shape, the back surface of one end of the flexible screen is adhered and fixed to the internal toothed transmission belt a surface 521, and the other end of the flexible screen is fixed on the moving bracket, when the movable support is driven by the driving block 42 to be expanded, the flexible screen is pulled out and expanded by the internal tooth transmission belt 52, otherwise, the flexible screen is contracted, namely, the flexible screen and the movable support are synchronously unfolded and retracted through synchronous motion of the driving block 42 and the internal tooth transmission belt 52, so that a stable and precise action effect is achieved, and the cost performance and the market competitiveness of the product are improved.

The threaded screw 43 and the guide rod 44 are arranged in parallel in the support frame 41, and two ends of the guide rod 44 are fixedly connected with the support frame 41, so that the driving block 42 is driven by the threaded screw 43 to perform linear motion under the guidance of the guide rod 44.

In conclusion, the invention has the following beneficial effects: the invention discloses a moving module for sliding, expanding and contracting a flexible screen, which comprises a driving motor 1, a speed reducer 2, a gear transmission assembly 3, a moving assembly 4 and a synchronous output assembly 5, wherein the driving motor is connected with the speed reducer; the moving assembly 4 comprises a supporting frame 41 and a driving block 42, a threaded screw rod 43 and a guide rod 44 are arranged in the supporting frame 41, the driving block 42 is arranged in the supporting frame 41, one side of the driving block is in threaded connection with the threaded screw rod 43, the other side of the driving block is in sliding connection with the guide rod 44, the synchronous output assembly 5 is arranged in the supporting frame 41 and located on one side of the driving block 42, the synchronous output assembly and the driving block 42 move synchronously and are used for driving the flexible screen to contract and expand, the driving motor 1 and the speed reducer 2 are arranged at one end of the supporting frame 41, and the driving motor 1 and the speed reducer 2 are connected with one end of the threaded screw rod 43 through the gear transmission assembly 3 in a meshed mode. Through this setting promptly for when removing the module and using on electronic product and removal support and flexible screen, realize accurate drive, synchronous flexible screen that contracts and expands reaches that the occupation of land space is little, stable and accurate action effect, improves product price/performance ratio and market competition.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides a remove module that is used for flexible screen to slide exhibition contract, is applied to electronic product and removes support thereof, its characterized in that includes: the device comprises a driving motor (1) for providing original driving force, and a speed reducer (2), a gear transmission assembly (3), a motion assembly (4) and a synchronous output assembly (5) which are arranged at the output end of the driving motor (1); the motion assembly (4) is used for driving the moving support to move linearly and comprises a supporting frame (41) and a driving block (42), a threaded screw rod (43) and a guide rod (44) which are used for the driving block (42) to move linearly are arranged in the supporting frame (41), the threaded screw rod (43) is connected with the supporting frame (41) through a first ball bearing (431), the driving block (42) is arranged in the supporting frame (41), one side of the driving block is in threaded connection with the threaded screw rod (43), the other side of the driving block is in sliding connection with the guide rod (44), the synchronous output assembly (5) is arranged in the supporting frame (41) and is positioned on one side of the driving block (42) and moves synchronously with the driving block (42) and is used for driving the flexible screen to expand and contract, the driving motor (1) and the speed reducer (2) are arranged at one end of the supporting frame (41), the gear transmission assembly (3) for torque steering output is meshed with one end of the threaded screw rod (43) and is used for rotating the threaded screw rod (43).

2. The moving module for sliding and expanding a flexible screen according to claim 1, wherein the gear transmission assembly (3) comprises a tapered tooth (31) disposed at an output end of the speed reducer (2), a transmission tooth (32) disposed at one end of the threaded screw (43), and a combined tooth (33) disposed at one end of the supporting frame (41) and respectively engaged with the tapered tooth (31) and the transmission tooth (32), a fixing seat (45) is disposed at one end of the supporting frame (41), the speed reducer (2) is disposed in the fixing seat (45), and the driving motor (1), the speed reducer (2) and the fixing seat (45) are fixed by laser welding.

3. A movement module for slidable expansion and contraction of a flexible screen according to claim 2, wherein a rotation shaft (46) is provided at one end of the support frame (41) at the combination tooth (33), and the combination tooth (33) is adapted to be rotated on the rotation shaft (46).

4. The moving module for sliding, expanding and contracting of the flexible screen according to claim 1, wherein the synchronous output assembly (5) comprises symmetrically arranged rotating wheels (51) and an internal gear transmission belt (52) sleeved on the rotating wheels (51) and in transmission with the rotating wheels (51), two ends of each of the two rotating wheels (51) are symmetrically connected with second ball bearings (511) in a rotating manner, and a U-shaped bearing chamber (47) used for matching with the second ball bearings (511) is correspondingly formed in one side of the supporting frame (41) and used for connecting the synchronous output assembly (5) with the moving assembly (4).

5. The moving module for sliding, expanding and contracting of the flexible screen as claimed in claim 4, wherein a synchronous driving arm (421) is integrally connected to one side of the driving block (42) facing the internal gear transmission belt (52), an internal gear groove (422) is formed in one side of the synchronous driving arm (421), and the internal gear groove (422) is meshed with internal gears of the internal gear transmission belt (52).

6. The moving module for sliding and expanding a flexible screen as claimed in claim 1, wherein one side of the supporting frame (41) is provided with a plurality of mounting holes (48) for positioning and fixing.

7. The moving module for sliding and expanding a flexible screen according to claim 1, wherein one side of the driving block (42) is provided with a plurality of thread holes (423) for fixing with the moving bracket.

8. A moving module for flexible screen sliding and expanding as claimed in claim 2, wherein one end of said tapered teeth (31) and one end of said combined teeth (33) are both designed with 90 ° orthogonal tapered teeth structure for engaging and connecting said tapered teeth (31) with the vertical position of said combined teeth (33), and the other end of said combined teeth (33) is designed with regular teeth structure for engaging and connecting said combined teeth (33) with the parallel position of said driving teeth (32).

9. A moving module for flexible screen sliding and expanding as claimed in claim 4, wherein under the driving of said driving block (42), said internal gear belt (52) moves synchronously with said driving block (42), one side of said internal gear belt (52) engaged with said synchronous driving arm (421) moves synchronously with said driving block (42) and the other side of said internal gear belt (52) moves synchronously with said driving block (42) and reversely.

10. A moving module for sliding and expanding a flexible screen according to claim 1, wherein said threaded screw rod (43) and said guide rod (44) are arranged in parallel in said supporting frame (41), and both ends of said guide rod (44) are fixedly connected with said supporting frame (41).