CN112181057B

CN112181057B - Rotating shaft assembly and electronic device

Info

Publication number: CN112181057B
Application number: CN202011047260.6A
Authority: CN
Inventors: 李新新
Original assignee: Guangdong Hongqin Communication Technology Co Ltd
Current assignee: Guangdong Hongqin Communication Technology Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2022-11-08
Anticipated expiration: 2040-09-28
Also published as: CN112181057A

Abstract

The invention discloses a rotating shaft assembly and an electronic device, wherein the rotating shaft assembly comprises two mounting plates, two first rotating shafts, a second rotating shaft, a transmission gear and two connecting pieces, one side of each mounting plate is integrally formed with a gear part, the two gear parts are respectively sleeved on the two first rotating shafts, the transmission gear is arranged between the two gear parts and is meshed with the two gear parts, the transmission gear is sleeved on the second rotating shaft, and the two first rotating shafts and the second rotating shaft are respectively in transmission connection through the two connecting pieces; therefore, parts required by the assembly of the rotating shaft assembly can be reduced, the rotating smoothness and the stability of the rotating shaft assembly can be improved, and meanwhile, the rotating shaft assembly has a relatively simple structure, so that the cost can be saved and the manufacturing is convenient.

Description

Rotating shaft assembly and electronic device

Technical Field

The present disclosure relates to rotating shafts, and particularly to a rotating shaft assembly and an electronic device.

Background

At present, a notebook computer is smaller and lighter, and has more and more powerful functions, and a user can adjust the positions of a screen and an input end according to the use requirement, so that the notebook computer can be freely switched between a tablet mode and a computer mode.

The functions can be realized without the function of the rotating shaft, but the existing rotating shaft has more parts and needs to be composed of a plurality of meshing parts and connecting components, so that the cost of an enterprise is increased. Meanwhile, due to the arrangement of excessive parts, the matching accuracy of the rotating shaft is easily influenced, and the rotating smoothness and the rotating stability of the rotating shaft are further influenced. In addition, in the process of preparing the rotating shaft, manual assembly is needed for assembly among the components, and the efficiency is low.

Disclosure of Invention

The invention aims to provide a rotating shaft assembly which is beneficial to ensuring smoothness and stability of rotation and has a simple structure.

Another object of the present invention is to provide an electronic device, which is not only beneficial to ensuring smoothness and stability of rotation, but also has a simple structure of a rotating shaft assembly.

In order to achieve the above object, the present invention provides a rotating shaft assembly, which includes two mounting plates, two first rotating shafts, two second rotating shafts, a transmission gear and two connecting pieces, wherein a gear portion is integrally formed on one side of each mounting plate, the two gear portions are respectively sleeved on the two first rotating shafts, the transmission gear is disposed between the two gear portions and is in meshing connection with the two gear portions, the transmission gear is sleeved on the second rotating shaft, and the two first rotating shafts and the second rotating shafts are respectively in transmission connection through the two connecting pieces.

Preferably, the rotating shaft assembly further comprises two first driven gears and a second driven gear, the two first driven gears are respectively sleeved on the two first rotating shafts, the second driven gear is sleeved on the second rotating shaft, and the two first driven gears are respectively meshed with the second driven gear.

Preferably, the second driven gear is partially overlapped with the two gear portions and the transmission gear in the axial direction.

Preferably, the two first driven gears are in lateral contact with the two gear portions, respectively, and the second driven gear is in lateral contact with the two gear portions and the transmission gear.

Preferably, the two mounting plates are respectively provided with mounting openings for fixing screws to penetrate through.

The invention also provides an electronic device which comprises the rotating shaft assembly.

Preferably, the electronic device includes a display screen, the display screen includes a first main body, a second main body, a bending screen and the rotating shaft assembly, the bending screen is attached to the first main body and the second main body, the bending screen includes a first screen portion attached to the first main body, a second screen portion attached to the second main body, and a bending portion connected between the first screen portion and the second screen portion, and the rotating shaft assembly is connected between the first main body and the second main body.

Preferably, the electronic device further includes a support frame, the support frame includes a first frame, a second frame and a flexible member, the first frame is connected to the second frame through the flexible member, the first frame is fixed to the back of the first main body, a clamping portion is convexly disposed on the second frame, a groove matched with the clamping portion is concavely disposed on the second main body, and the second frame can be far away from or close to the second main body.

Preferably, the electronic device further comprises a host end and a folding component, and an end of the second body of the display screen, which is far away from the first body, is connected with the host end through the folding component.

Preferably, the folding assembly includes two mounting members, at least two linkage members and at least three connecting frames, the two mounting members are arranged at intervals, and the at least two linkage members are sequentially arranged between the two mounting members; the two sides of the mounting part are respectively provided with a first convex part in a protruding way at one end close to the linkage part, the two sides of the linkage part are respectively provided with two second convex parts in a protruding way, and when the two mounting parts and at least two linkage parts are in a linear arrangement state, the corresponding first convex parts of the two mounting parts and the corresponding second convex parts of at least two linkage parts are arranged in a line; the connecting frames are respectively sleeved between the mounting part and the linkage part adjacent to the mounting part and between the adjacent linkage parts, two arc-shaped grooves which are symmetrically arranged are respectively arranged on the inner walls of two sides of each connecting frame, and the first convex part and the second convex part are respectively slidably arranged in the arc-shaped grooves; and one ends of the two mounting pieces, which are far away from the linkage piece, are respectively connected with the second main body and the host end.

Compared with the prior art, the rotating shaft assembly comprises two mounting plates, two first rotating shafts, a second rotating shaft, a transmission gear and two connecting pieces, wherein a gear part is integrally formed on one side of each mounting plate, the two gear parts are respectively sleeved on the two first rotating shafts, the transmission gear is arranged between the two gear parts and is meshed with the two gear parts, the transmission gear is sleeved on the second rotating shaft, and the two first rotating shafts and the second rotating shaft are respectively in transmission connection through the two connecting pieces; therefore, parts required by the assembly of the rotating shaft assembly can be reduced, the rotating smoothness and the stability of the rotating shaft assembly can be improved, and meanwhile, the rotating shaft assembly has a relatively simple structure, so that the cost can be saved and the manufacturing is convenient.

Drawings

Fig. 1 is a schematic perspective view of an electronic device according to an embodiment of the invention.

Fig. 2 is a perspective view of the rotary shaft assembly shown in fig. 1.

Fig. 3 is an exploded view of the rotary shaft assembly shown in fig. 2.

Fig. 4 is a perspective view of the folding assembly shown in fig. 1.

Fig. 5 is an exploded view of the folding assembly shown in fig. 4.

Figure 6 is a schematic perspective view of the folding assembly shown in figure 4 after a folding action.

Fig. 7 is a schematic diagram of a three-dimensional structure of the display screen 1 shown in fig. 1.

Fig. 8 is a schematic perspective view of another usage mode of the electronic device shown in fig. 1.

Fig. 9 is another schematic view of fig. 8.

Fig. 10 is a schematic perspective view of a panel mode of the electronic device of fig. 1.

Fig. 11 is a perspective view of the electronic device of fig. 1 in a full screen mode.

Fig. 12 is a schematic perspective view of a split screen mode of the electronic device of fig. 1.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1, the present invention provides an electronic device, which includes a display screen 1, a host end 2, a folding assembly 3, a support frame 4 and a rotation shaft assembly 5, wherein the display screen 1 is connected to the host end 2 through the folding assembly 3, the rotation shaft assembly 5 is installed in the display screen 1, and the support frame 4 is connected to a back of the display screen 1.

Referring to fig. 2 and 3, the rotating shaft assembly 5 includes two mounting plates 51, two first rotating shafts 52, two second rotating shafts 53, a transmission gear 54 and two connecting pieces 55, wherein one side of each mounting plate 51 is integrally formed with a gear portion 511, the two gear portions 511 are respectively sleeved on the two first rotating shafts 52, the transmission gear 54 is disposed between the two gear portions 511 and is meshed with the two gear portions 511, the transmission gear 54 is sleeved on the second rotating shaft 53, and the two first rotating shafts 52 and the second rotating shafts 53 are respectively in transmission connection through the two connecting pieces 55. With the above-described design, when one of the mounting plates 51 is pushed toward or away from the other mounting plate 51, the gear portion 511 and the transmission gear 54 perform a gear transmission function, and thus the angle between the two mounting plates 51 can be adjusted.

In some embodiments, the rotating shaft assembly 5 further includes two first driven gears 56 and a second driven gear 57, the two first driven gears 56 are respectively sleeved on the two first rotating shafts 52, the second driven gear 57 is sleeved on the second rotating shaft 53, and the two first driven gears 56 are respectively meshed with the second driven gear 57.

Specifically, the second driven gear 57 partially overlaps the two gear portions 511 and the transmission gear 54 in the axial direction, the two first driven gears 56 are in lateral contact with the two gear portions 511, respectively, and the second driven gear 57 is in lateral contact with the two gear portions 511 and the transmission gear 54; through the design, when gear transmission occurs between the gear part 511 and the transmission gear 54, the first driven gear 56 and the second driven gear 57 can perform gear transmission synchronously with the gear part 511 and the transmission gear 54, so that the two mounting plates 51 are more stable in the rotating process, the gears are more fully meshed, slipping is prevented, the transmission efficiency is more accurate, the bearing capacity of the structure is increased, and the two mounting plates 51 can more stably keep a required angle.

Referring to fig. 2, fig. 3 and fig. 7, in some embodiments, the two mounting plates 51 are respectively provided with mounting openings 512 through which the fixing screws 58 are inserted. Specifically, the fixing screws 58 can respectively fix the two mounting plates 51 on the first body 11 and the second body 12 through the mounting openings 512, and the first body 11 and the second body 12 can be driven to approach or separate from each other through the rotation of the rotating shaft assembly 5, so that the user can adjust the angle between the first screen portion 131 and the second screen portion 132 according to the user's requirement.

Specifically, two openings 551 are respectively formed on the two connectors 55, and the two first rotating shafts 52 and the second rotating shafts 53 are respectively in transmission connection through the openings 551 of the two connectors 55; through the above design, the stability of the structure can be increased.

Referring to fig. 1, 7 and 8, the electronic device includes a display screen 1, the display screen 1 includes a first main body 11, a second main body 12, a bending screen 13 and a rotation shaft assembly 5, the bending screen 13 is attached to the first main body 11 and the second main body 12, the bending screen 13 includes a first screen portion 131 attached to the first main body 11, a second screen portion 132 attached to the second main body 12 and a bending portion 133 connected between the first screen portion 131 and the second screen portion 132, and the rotation shaft assembly 5 is connected between the first main body 11 and the second main body 12.

Referring to fig. 2, specifically, the two mounting plates 51 of the rotating shaft assembly 5 are respectively fixedly mounted on the first body 11 and the second body 12, when the rotating shaft assembly 5 rotates, the two mounting plates 51 approach or move away from each other, so as to drive the first body 11 and the second body 12 to approach or move away from each other, and further drive the first screen portion 131 attached to the first body 11 and the second screen portion 132 attached to the second body 12 to approach or move away from each other, thereby achieving the effect of bending the screen.

Referring to fig. 7 and 8, in some embodiments, the support frame 4 further includes a first frame 41, a second frame 42 and a flexible element 43, the first frame 41 is connected to the second frame 42 through the flexible element 43, the first frame 41 is fixed to the back of the first body 11, the second frame 42 is protruded with a fastening portion 421, the second body 12 is recessed with a groove 121 matching with the fastening portion 421, and the second frame 42 can be far away from or close to the second body 12.

Specifically, the engaging portion 421 can be a magnetic component, the groove 121 has a metal material, and when the engaging portion 421 approaches the groove 121, the engaging portion 421 and the groove 121 adhere to each other and attract each other; two side surfaces of one end of the second body 12, which is far away from the first body 11, are respectively provided with two openings 122, and the two openings 122 can easily push the engaging portion 421 to separate from the groove 121; when the second frame 42 is far away from the second body 12, the connection portion between the flexible member 43 and the second frame 42 is supported at the upper end of the back of the second body 12, and the bottom end of the second frame 42 and the bottom end of the second body 12 can be opened at a certain angle to support the bending screen 13.

Referring to fig. 4 to 6, in some embodiments, the electronic device further includes a host end 2 and a folding assembly 3, and an end of the second body 12 of the display screen 1, which is far away from the first body 11, is connected to the host end 2 through the folding assembly 3.

Specifically, the folding assembly 3 includes two mounting members 31, at least two linkage members 32 and at least three connecting frames 33, the two mounting members 31 are arranged at intervals, and the at least two linkage members 32 are sequentially arranged between the two mounting members 31; two first convex parts 311 are respectively convexly arranged at one end of each mounting part 31 close to the corresponding linkage part 32, two second convex parts 321 are respectively convexly arranged at two sides of the linkage part 32, and when the two mounting parts 31 and the at least two linkage parts 32 are in a linear arrangement state, the corresponding first convex parts 311 of the two mounting parts 31 and the corresponding second convex parts 321 of the at least two linkage parts 32 are arranged in a line; at least three connecting frames 33 are respectively sleeved between the mounting part 31 and the linkage part 32 adjacent to the mounting part 31 and between the adjacent linkage parts 32, the inner walls of two sides of the connecting frames 33 are respectively provided with two arc-shaped grooves 331 which are symmetrically arranged, and the first convex part 311 and the second convex part 321 are respectively slidably arranged in the arc-shaped grooves 331; the ends of the mounting members 31 remote from the linkage member 32 are connected to the second body 12 and the host end 2, respectively. When the bending screen 13 rotates toward the host end 2, the second body 12 drives the mounting member 31 connected therein to bend, and further drives the two linkage members 32 and the other mounting member 31 to slide on the arc-shaped slot 331 of the connecting frame 33 from the first position to the second position; when the bending screen 13 rotates in a direction opposite to the host end 2, the second body 12 drives the mounting member 31 connected therein to bend, and further drives the two linkage members 32 and the other mounting member 31 to respectively slide on the arc-shaped slot 331 of the connecting frame 33 from the second position to the first position.

Referring to fig. 9, the host end 2 includes a keyboard 21, a touch panel 22 and an input pen 23; the method and the system can be conveniently used by a user in multiple scenes.

Referring to fig. 9, the electronic device can be freely switched between a plurality of modes through the actions of the rotating shaft assembly 5 and the folding assembly 3; specifically, the rotating shaft assembly 5 can be adjusted within an angle range a of 0-180 degrees; the folding component 3 can be adjusted within an angle range B, and the angle range B is 0-100 degrees; the second frame 42 and the second body 12 are adjustable through an angular range C of 0-120 degrees.

Specifically, as shown in fig. 10, the rotating shaft assembly 5 is opened by 180 degrees, the folding assembly 3 is not bent, the second frame 42 is not separated from the second main body 12, the main body end 2 and the display screen 1 are placed on the same horizontal plane, the electronic device is in a tablet mode, and a user can use the electronic device as a tablet computer. As shown in fig. 11, the folding assembly 3 is folded, the second frame 42 and the second body 12 are opened, the rotating shaft assembly 5 is opened by 180 degrees, the display screen 1 is supported by the second frame 42 in an upright state, and the electronic device is in a full-screen mode, so that a larger display area can be provided for a user. As shown in fig. 12, the folding assembly 3 is bent, the second frame 42 is opened relative to the second body 12, and the rotating shaft assembly 5 rotates to make the first body 11 and the second body 12 change from being located on the same plane to being arranged at an obtuse angle with each other and realize positioning by the support of the second frame 42; in addition, contents can be rendered on the first screen part 131 and the second screen part 132, respectively, by software setting, thereby realizing a split screen mode. The user can adjust the angle according to the demand of oneself, realizes using under the multi-scene.

In summary, the rotating shaft assembly 5 provided by the present invention includes two mounting plates 51, two first rotating shafts 52, two second rotating shafts 53, a transmission gear 54 and two connecting pieces 55, wherein one side of each mounting plate 51 is integrally formed with a gear portion 511, the two gear portions 511 are respectively sleeved on the two first rotating shafts 52, the transmission gear 54 is disposed between the two gear portions 511 and is meshed with the two gear portions 511, the transmission gear 54 is sleeved on the second rotating shaft 53, and the two first rotating shafts 52 and the second rotating shafts 53 are respectively in transmission connection through the two connecting pieces 55. Through the design, parts required by the assembly of the rotating shaft assembly can be reduced, the rotating smoothness and the stability of the rotating shaft assembly can be improved, and meanwhile, the rotating shaft assembly has a relatively simple structure, so that the cost can be saved, and the rotating shaft assembly is convenient to manufacture. In addition, the electronic device of the invention includes the rotating shaft component 5, can adjust the angle between the first screen part 131 and the second screen part 132 under the effect of the rotating shaft component 5, can realize the free switching of the full screen mode and the split screen mode by cooperating with software, can be conveniently used in the computer mode and the tablet mode by cooperating with the host end 2, can realize the multi-scene use, and increase the user experience.

The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.

Claims

1. An electronic device is characterized by comprising a display screen, wherein the display screen comprises a first main body, a second main body, a bent screen and a rotating shaft assembly, the bent screen is attached to the first main body and the second main body, the bent screen comprises a first screen part attached to the first main body, a second screen part attached to the second main body and a bent part connected between the first screen part and the second screen part, and the rotating shaft assembly is connected between the first main body and the second main body;

the pivot subassembly includes: the mounting device comprises two mounting plates, two first rotating shafts, a second rotating shaft, a transmission gear and two connecting pieces, wherein a gear part is integrally formed on one side of each mounting plate, the two gear parts are respectively sleeved on the two first rotating shafts, the transmission gear is arranged between the two gear parts and is in meshed connection with the two gear parts, the transmission gear is sleeved on the second rotating shaft, and the two first rotating shafts and the second rotating shaft are respectively in transmission connection through the two connecting pieces;

the electronic device further comprises a host end and a folding assembly, wherein one end, far away from the first body, of the second body of the display screen is connected with the host end through the folding assembly;

the folding assembly comprises two mounting pieces, at least two linkage pieces and at least three connecting frames, the two mounting pieces are arranged at intervals, and the at least two linkage pieces are sequentially arranged between the two mounting pieces; the two sides of the mounting part are respectively provided with a first convex part in a protruding way at one end close to the linkage part, the two sides of the linkage part are respectively provided with two second convex parts in a protruding way, and when the two mounting parts and at least two linkage parts are in a linear arrangement state, the corresponding first convex parts of the two mounting parts and the corresponding second convex parts of at least two linkage parts are arranged in a line; the connecting frames are respectively sleeved between the mounting part and the linkage part adjacent to the mounting part and between the adjacent linkage parts, two arc-shaped grooves which are symmetrically arranged are respectively arranged on the inner walls of two sides of each connecting frame, and the first convex part and the second convex part are respectively slidably arranged in the arc-shaped grooves; and one ends of the two mounting pieces, which are far away from the linkage piece, are respectively connected with the second main body and the host end.

2. The electronic device according to claim 1, further comprising two first driven gears and a second driven gear, wherein the two first driven gears are respectively sleeved on the two first rotating shafts, the second driven gear is sleeved on the second rotating shaft, and the two first driven gears are respectively engaged with the second driven gear.

3. An electronic device according to claim 2, wherein said second driven gear is axially overlapped with both of said gear portions and said transmission gear portion.

4. The electronic device according to claim 3, wherein two of said first driven gears are in lateral contact with two of said gear portions, respectively, and said second driven gear is in lateral contact with both of said gear portions and said transmission gear.

5. The electronic device of claim 1, wherein the two mounting plates are respectively provided with mounting openings for fixing screws to pass through.

6. The electronic device of claim 1, further comprising a support frame, wherein the support frame comprises a first frame, a second frame and a flexible member, the first frame is connected with the second frame through the flexible member, the first frame is fixed on the back of the first body, a clamping portion is convexly arranged on the second frame, a groove matched with the clamping portion is concavely arranged on the second body, and the second frame can be far away from or close to the second body.