WO2023142795A1 - Rotating shaft assembly, folding shell and electronic device - Google Patents

Abstract

The present application provides a rotating shaft assembly (22), comprising a supporting mechanism (23), a positioning base (24), and a rotating mechanism (25). The supporting mechanism (23) comprises two side supports (233), and a rotating mechanism (25) is provided between each side support (233) and the positioning base (24). The rotating mechanism (25) comprises a rotating member (251) and a connecting member (253), wherein one end of the rotating member (251) away from the connecting member (253) is rotatably connected to the positioning base (24), the side of the side support (233) away from the positioning base (24) is rotatably connected to the connecting member (253), and the side of the side support (233) away from the connecting member (253) rotates and is slidably connected to the positioning base (24); and the connecting member (253) rotates along with the rotating member (251) relative to the positioning base (24), to drive the side support (233) to rotate and slide relative to the positioning base (24), such that the two side supports (233) can be bent or unfolded relative to each other. The present application further provides a folding shell provided with the rotating shaft assembly and an electronic device.

Description

Shaft assembly, folding case and electronic equipment

This application claims the priority of the patent application submitted to the China Patent Office on January 28, 2022, with the application number 202210108899.3 and the application name "rotating shaft assembly, folding casing and electronic equipment", the entire content of which is incorporated by reference in this application middle.

technical field

The present application relates to the field of supporting flexible components, in particular to a rotating shaft assembly for supporting flexible components, a foldable case provided with the rotating shaft assembly, and an electronic device provided with the foldable case.

Background technique

With the development of display equipment, a bendable and flexible display screen has appeared, so as to design foldable electronic devices such as water drop-shaped foldable mobile phones and foldable display screens. The water drop-shaped foldable mobile phone generally supports the bending part of the flexible display screen of the water drop-shaped foldable mobile phone through two or more hinge assemblies connected to each other by four-bar linkages. However, the existing rotating shaft assembly has many parts, complex structure and high manufacturing cost.

Contents of the invention

The present application provides a rotating shaft assembly. The rotating shaft assembly includes a supporting mechanism, a positioning seat, and a rotating mechanism. The supporting mechanism includes two side supports, and a rotating mechanism is provided between each side supporting member and the positioning seat. The rotating mechanism includes The rotating part and the connecting part, the end of the rotating part away from the connecting part is rotatably connected to the positioning seat, the side of the side supporting part away from the positioning seat is rotatably connected to the connecting part, and the side of the side supporting part far away from the connecting part is rotatably and slidably connected on the positioning seat; the connecting part rotates with the rotating part relative to the positioning seat to drive the side support to rotate and slide relative to the positioning seat, so that the two side supports can be bent or unfolded mutually.

The present application also provides a foldable casing, the foldable casing includes a rotating shaft assembly and two frames, the rotating shaft assembly is located between the two frames, the rotating shaft assembly is located between the two frames, and the two frames are respectively connected to the rotating shaft The corresponding connector in the component.

The present application also provides an electronic device. The electronic device includes a flexible component and a foldable casing, and the flexible component is arranged on the foldable casing.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings that need to be used in the implementation manner. Obviously, the drawings in the following description are some implementation manners of the application, which are common to those skilled in the art. As far as the skilled person is concerned, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

FIG. 1 is a schematic diagram of a three-dimensional structure of an electronic device in an embodiment of the present application;

FIG. 2 is an exploded perspective view of the three-dimensional structure of the foldable housing and flexible parts of the electronic device in FIG. 1;

Fig. 3 is a three-dimensional structural schematic diagram of another viewing angle of the foldable casing and the flexible member in Fig. 2;

Fig. 4 is an exploded perspective view of the three-dimensional structure of the foldable housing in Fig. 2;

Fig. 5 is an exploded perspective view of the three-dimensional structure of the foldable housing in Fig. 3;

Fig. 6 is a schematic perspective view of the three-dimensional structure of the shaft assembly in Fig. 4;

Fig. 7 is a schematic perspective view of the three-dimensional structure of the shaft assembly in Fig. 5;

Fig. 8 is an exploded perspective view of the three-dimensional structure of the shaft assembly in Fig. 6;

Fig. 9 is an exploded perspective view of the three-dimensional structure of the shaft assembly in Fig. 7;

Fig. 10 is a schematic diagram of the three-dimensional structure of the positioning seat in Fig. 8;

Fig. 11 is a schematic diagram of the three-dimensional structure of the positioning seat in Fig. 9;

Fig. 12 is an exploded perspective view of the three-dimensional structure of the rotating mechanism in Fig. 8;

Fig. 13 is an exploded perspective view of the three-dimensional structure of the rotating mechanism in Fig. 9;

Fig. 14 is a perspective cross-sectional view of a part of the shaft assembly in Fig. 6;

Fig. 15 is a perspective cross-sectional view of another part of the shaft assembly in Fig. 6;

Fig. 16 is a perspective cross-sectional view of another part of the shaft assembly in Fig. 6;

Fig. 17 is a perspective cross-sectional view of another part of the shaft assembly in Fig. 6;

Fig. 18 is an enlarged view of part XVIII in Fig. 15;

Fig. 19 is a schematic diagram of the three-dimensional structure of the shaft assembly in Fig. 6 bent to an angle;

Fig. 20 is a schematic perspective view of the three-dimensional structure of the shaft assembly in Fig. 19 from another perspective;

Figure 21 is a perspective cross-sectional view of a portion of the shaft assembly in Figure 19;

Fig. 22 is a perspective cross-sectional view of another part of the shaft assembly in Fig. 19;

Fig. 23 is a perspective cross-sectional view of another part of the shaft assembly in Fig. 19;

Fig. 24 is a perspective cross-sectional view of another part of the shaft assembly in Fig. 19;

Fig. 25 is an enlarged view of part XXV in Fig. 22;

Fig. 26 is a three-dimensional structural schematic view of the rotating shaft assembly in Fig. 6 bent to another angle;

Fig. 27 is a perspective view of the three-dimensional structure of the shaft assembly in Fig. 26;

Figure 28 is a perspective cross-sectional view of a portion of the shaft assembly in Figure 26;

Fig. 29 is a perspective cross-sectional view of another part of the shaft assembly in Fig. 26;

Fig. 30 is a perspective cross-sectional view of another part of the shaft assembly in Fig. 26;

Fig. 31 is a perspective cross-sectional view of another part of the shaft assembly in Fig. 26;

FIG. 32 is a schematic perspective view of the three-dimensional structure of the electronic device in FIG. 1 in a folded state;

FIG. 33 is a cross-sectional view of the electronic device in FIG. 32 .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

In addition, the following descriptions of the various embodiments refer to the attached drawings to illustrate specific embodiments that the application can be used to implement. The directional terms mentioned in this application, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", etc., only is to refer to the direction of the attached drawings. Therefore, the direction terms used are for better and clearer description and understanding of the present application, rather than indicating or implying that the referred device or element must have a specific orientation, and must have a specific orientation. construction and operation, therefore should not be construed as limiting the application. The term "natural state" refers to a state in which a device or element is not subjected to external forces, such as tension or compression.

In the description of this application, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection", "connection", and "set on..." should be understood in a broad sense, for example, it can be A fixed connection can also be a detachable connection or an integral connection; it can be a mechanical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

A rotating shaft assembly, the rotating shaft assembly includes a support mechanism, a positioning seat, and a rotating mechanism, the supporting mechanism includes two side supports, and the rotating shaft is arranged between each side support and the positioning seat. mechanism, the rotating mechanism includes a rotating member and a connecting member, the end of the rotating member away from the connecting member is rotatably connected to the positioning seat, and the side of the side support member away from the positioning seat is rotatably connected to the positioning seat. The connecting piece, the side of the side support away from the connecting piece is rotationally and slidably connected to the positioning seat; the connecting piece rotates with the rotating piece relative to the positioning seat to drive the The side supports rotate and slide relative to the positioning seat, so that the two side supports can be bent or unfolded mutually.

The rotation axis between the rotating part and the positioning seat is parallel to the rotation axis between the side support part and the connecting part.

An end of the rotating member away from the positioning seat is detachably connected to the connecting member.

The side of the side support close to the positioning seat is provided with a sliding guide part, and the sliding guide part is provided with a guide slide groove, and the sliding guide part is connected to the positioning seat through a connecting shaft, and the connecting shaft Inserted in the guide slide groove and positioned on the positioning seat, the axis of the connecting shaft is parallel to the rotation axis between the rotating member and the positioning seat.

The guide slide groove includes a first positioning section close to the positioning seat, a second positioning section away from the positioning seat, and a guide sliding section between the first positioning section and the second positioning section; When the connecting shaft is located in the first positioning section, the two side supports are bent mutually; The side supports are flat against each other.

The front side of the positioning seat is provided with an avoidance groove corresponding to the guide slide part, the guide slide part is movably accommodated in the avoidance groove, and the middle part of the connecting shaft passes through the guide slide groove.

The side support is provided with a first arc rail, and the connecting piece is provided with a first arc groove corresponding to the first arc rail; or the side support is provided with a first arc groove, so The connector is provided with a first arc track corresponding to the first arc groove; the first arc track can rotate along the first arc groove, and the axis line of the first arc track is in line with the The axes of rotation between the side supports and the connectors are collinear.

The front of the positioning seat is provided with a transition groove, and the end of the rotating member away from the connecting piece is movably accommodated in the transition groove; the inner surface of the transition groove is protruded with a second arc rail , the side of the rotating member is provided with a second arc groove corresponding to the second arc track; or the inner surface of the transfer groove is provided with a second arc groove, and the side of the rotating member is convexly provided The second circular arc track of the second circular arc groove; the second circular arc track can rotate along the second circular arc groove, and the axis line of the second circular arc track and the rotating member and the The axes of rotation between the positioning seats are collinear.

The supporting mechanism further includes a middle supporting member located between the two side supporting members, and when the two side supporting members are mutually unfolded, the end of the rotating member away from the connecting member moves toward The middle support moves closer to and resists the middle support to move away from the positioning seat. When the middle support and the two side supports are in a flattened state, the rotating member moves away from the connection The end of the piece abuts against the middle support piece.

An end of the sliding guide part close to the middle support part forms a resisting part, and when the two side supports are mutually unfolded, the resisting part gradually pushes against the back of the middle support part.

The outer peripheral surface of the pushing part is formed as a driving surface of a circular arc, and the back surface of the middle support member is provided with abutting groove corresponding to the sliding part, and the pushing part movably abuts against the abutting groove. The inner surface.

Stoppers are respectively provided on opposite sides of the middle support, and stop grooves are provided on the back of the side supports corresponding to the stoppers. When the middle support and the two side supports When the component is in a flattened state, the stop portion is against the inner surface of the stop groove.

The opposite sides of the middle support are provided with lugs respectively, and the front of the side support is provided with abutment corresponding to the lugs. When the middle support and the two side supports are extended In a flat state, the lugs abut against the corresponding abutting portions.

The middle support is provided with a guide bar along its moving direction, and the positioning seat is provided with a guide hole corresponding to the guide bar; or the positioning seat is provided with a guide bar along the moving direction of the middle support , the middle support member is provided with a sliding hole corresponding to the sliding rod; the sliding rod is slidably inserted in the sliding hole.

An elastic member is provided on the positioning seat, and the elastic member is preset with an elastic force to drive the middle supporting member to approach the positioning seat.

The side of the positioning seat away from the middle support is provided with a mounting groove, and the mounting groove is slidably provided with a mounting piece, the mounting piece is fixedly connected to the middle support, and the elastic piece is pre-compressed The state is set between the mounting part and the positioning seat.

The positioning seat protrudes toward the installation groove along the moving direction of the middle support member with a guide column, the elastic member is sleeved on the guide column, and the mounting member is slidably sleeved on the guide column. sliding column.

When the two side supports are bent relative to the middle support, the middle support moves toward the positioning seat driven by the elastic member.

A folding casing, the folding casing includes a shaft assembly and two frames, the shaft assembly is located between the two frames, and the two frames are respectively connected to the corresponding connectors.

An electronic device, the electronic device includes a flexible part and a foldable shell, the flexible part is arranged on the foldable shell.

Please refer to FIG. 1 to FIG. 7 together. An electronic device 100 in an embodiment of the present invention includes a foldable casing 20 and a flexible member 30 disposed on the foldable casing 20 . The flexible part 30 can be various flexible parts with corresponding functions such as a flexible display screen, a flexible touch screen, and a flexible touch screen, or a flexible part fixedly attached to a flexible support plate, such as a flexible display screen attached to a flexible steel plate, Flexible touch screen, etc. The folding case 20 includes two frames 21 and a hinge assembly 22 connected between the two frames 21 . The flexible member 30 is provided with a bendable area 31 corresponding to the shaft assembly 22 , and two non-bendable areas 33 connected to opposite sides of the bendable area 31 . The two non-bending regions 33 of the flexible member 30 can be respectively fixed on the front surfaces of the two frame bodies 21 , and the bendable region 31 is attached to the front surface of the rotating shaft assembly 22 . The shaft assembly 22 is used to support the bendable area 31 of the flexible member 30 , and the flexible member 30 is bent or flattened along with the shaft assembly 22 . The rotating shaft assembly 22 includes a supporting mechanism 23, a positioning seat 24, and a rotating mechanism 25 located between the supporting mechanism 23 and the positioning seat 24. The supporting mechanism 23 includes a middle support member 231 and side portions arranged on opposite sides of the middle support member 231. The support piece 233 and the flexible piece 30 are attached to the middle support piece 231 and the side support piece 233 . A rotating mechanism 25 is provided between each side support 233 and the positioning seat 24; the rotating mechanism 25 includes a rotating part 251 and a connecting part 253, and one end of the rotating part 251 away from the connecting part 253 is rotatably connected to the positioning seat 24, and the side supports One side of the member 233 away from the positioning seat 24 is rotatably connected to the corresponding connecting piece 253, and the side of each side support 233 near the positioning seat 24 is rotated and slidably connected to the positioning seat 24; Rotate, the connecting part 253 rotates with the rotating part 251 relative to the positioning seat 24, so as to drive the corresponding side supporting part 233 to rotate and slide relative to the positioning seat 24, so that the two side supporting parts 233 can be bent or unfolded mutually. The two frame bodies 21 are respectively connected to the connectors 253 on opposite sides of the shaft assembly 22, the frame body 21 drives the rotating member 251 to rotate relative to the positioning seat 24, and the two side support members 233 are bent or unfolded with the connector 253, The flexible member 30 is bent or flattened along with the supporting mechanism 23, and the bendable area 31 can be bent to form a U shape, a drop shape or other shapes. In this embodiment, the bendable region 31 can be bent into a drop shape.

In this embodiment, the front side refers to the side facing the same direction as the light emitting surface of the flexible member 30 , and the back side refers to the side facing away from the light emitting surface of the flexible member 30 . The electronic device 100 is, for example, but not limited to a mobile phone, a tablet computer, a display, a liquid crystal panel, an OLED panel, a TV, a smart watch, a VR head-mounted display, a vehicle display, and any other products and components with display functions. The "connection" in the description of the embodiments of the present invention includes direct connection and indirect connection, for example, the connection between A and B includes the direct connection between A and B or the connection through a third element C or more other elements. The connection also includes two cases of integrated connection and non-integrated connection. The integrated connection means that A and B are formed and connected in one piece, and the non-integrated connection means that A and B are formed and connected in a non-integrated manner.

The rotating shaft assembly 22 of the electronic device 100 of the present invention includes a support mechanism 23, a positioning seat 24, and a rotating mechanism 25 located between the supporting mechanism 23 and the positioning seat 24. The rotating mechanism 25 includes a rotating member 251 and a connection connected to the rotating member 251. part 253, the end of the rotating part 251 away from the connecting part 253 is rotatably connected to the positioning seat 24, the side of the side support 233 away from the positioning seat 24 is rotatably connected to the corresponding connecting part 253, and the side support 233 is close to the positioning seat 24 One side is rotationally and slidably connected to the positioning seat 24 . The two frames 21 are folded close to each other or unfolded away from each other, driving the rotating member 251 to rotate relative to the positioning seat 24, the connecting member 253 rotates with the corresponding rotating member 251 relative to the positioning seat 24, and the connecting member 253 drives the two side support members 233 are folded or unfolded mutually, so as to realize the folding or unfolding of the flexible member 30 . Since the shaft assembly 22 can be folded or flattened through the supporting mechanism 23 and the rotating mechanism 25, without the need for a hinge mechanism, the structure of the shaft assembly 22 is simple, the number of parts is small, and the manufacturing cost is low. The connection reliability is high, and the strength of the whole machine is improved.

As shown in Figures 8-9, the rotating shaft assembly 22 in this embodiment includes two positioning seats 24, and a rotating mechanism 25 is respectively provided on opposite sides of each positioning seat 24, and each rotating mechanism 25 is arranged on a corresponding Between the positioning seat 24 and the side support 233 . One end of the rotating part 251 away from the connecting part 253 is rotatably connected to the corresponding positioning seat 24, and the connecting part 253 is rotatably connected to the corresponding side support part 233, and the side part support part 233 is close to the side of the middle part support part 231 (that is, the side part The side of the support member 233 away from the connecting member 253 ) is movably connected to the positioning seat 24 . The rotating part 251 rotates relative to the positioning seat 24, and the connecting part 253 rotates with the rotating part 251 relative to the positioning seat 24. The connecting part 253 drives the corresponding side support part 233 to slide and rotate relative to the positioning seat 24, thereby realizing two side parts. The support members 233 are close to each other or far away from each other, so as to realize the bending or flattening of the support mechanism 23 .

In some embodiments, the rotating shaft assembly 22 may also only include one positioning seat 24 , two rotating mechanisms 25 disposed on opposite sides of the positioning seat 24 , and a supporting mechanism 23 . In this case, the positioning seat 24 is located in the middle of the back of the support mechanism 23, and the two rotating mechanisms 25 are respectively connected between the two side supports 233 of the supporting mechanism 23 and the positioning seat 24, that is, the rotation of each rotating mechanism 25 The member 251 is rotatably connected to the positioning seat 24 , the connecting member 253 is rotatably connected to the corresponding side support 233 , and each side support 233 is rotatably connected to the positioning seat 24 on one side close to the positioning seat 24 .

In some embodiments, the rotating shaft assembly 22 may include three or more positioning seats 24, and a rotating mechanism 25 is provided on opposite sides of each positioning seat 24, and the rotating mechanism 25 is arranged on the side of the supporting mechanism 23. between the support member 233 and the positioning seat 24 .

As shown in Figures 1 to 5, the connecting pieces 253 on opposite sides of the shaft assembly 22 are respectively fixedly connected to the two frames 21, and the two frames 21 are relatively folded or flattened, which can drive the corresponding rotating parts 251 relative to the positioning The seat 24 rotates, and the connecting piece 253 rotates with the rotating piece 251 relative to the positioning seat 24, so that the connecting piece 253 drives the corresponding side support 233 to rotate and slide relative to the positioning seat 24 until the two side support 233 and the middle support The part 231 is bent into a drop shape or unfolded into a horizontal shape; the bendable area 31 of the flexible part 30 is folded into a drop shape or unfolded into a horizontal shape along with the side support part 233 . Specifically, the frame body 21 includes a front face 211, a back face 213, opposite side faces 214, and two end faces 215. The shaft assembly 22 is connected between the two end faces 215 of the two frame bodies 21. The non-bending area 33 of the flexible member 30 Connected to the front 211 of the frame body 21; each frame body 21 is provided with a receiving groove 216 towards the end surface 215 of the shaft assembly 22, the receiving groove 216 runs through the front face 211 of the frame body 21, and the opposite ends of the receiving groove 216 extend to be close to the frame body 21 opposite sides 214. A bottom surface of the receiving groove 216 of the frame body 21 defines a plurality of connection holes 217 , and each connection hole 217 penetrates the back surface 213 of the frame body 21 . A number of accommodation spaces (not shown) are provided inside the frame body 21 for installing electronic devices such as circuit boards and batteries; the back side 213 of the frame body 21 is also covered with a back cover (not shown in the figure).

Please refer to Fig. 8 and Fig. 9 together, the middle supporting part 231 is strip shape, and it comprises front side 2311 and the back side 2312 facing away from front side 2311, and the opposite two ends of the back side 2312 of middle part supporting part 231 protrude respectively to set up connecting column 2313 and guide. The sliding rod 2315 , the connecting column 2313 and the sliding guide bar 2315 at the end of the middle support member 231 are arranged at intervals. In this embodiment, the guide rod 2315 is closer to the end of the middle support member 231 than the adjacent connecting column 2313; the connecting column 2313 is provided with a connecting hole 2314 along its axial direction. Lugs 2316 are respectively provided on the opposite sides of the middle support member 231. When the support mechanism 23 is in a flattened state, the two lugs 2316 respectively abut against the fronts of the two side support members 233; in this embodiment, the middle support Protruding lugs 2316 protrude from opposite sides of the middle part of the member 231 . The opposite sides of the middle support member 231 are respectively provided with stoppers 2317. Preferably, the side of the stoppers 2317 away from the positioning seat 24 is set as an arc surface; on the back side of the corresponding side support 233 . In this embodiment, stoppers 2317 are respectively provided on opposite sides of each end of the middle support 231; specifically, each stopper 2317 is a stopper protruding from the middle support 231. The top surface of the stop portion 2317 is provided with an arc-shaped surface. The back side 2312 of the middle support member 231 is respectively provided with abutment grooves 2318 on both sides opposite to the end of each guide rail 2315; preferably, the inner surface of each abutment groove 2318 of the middle support member 231 is an arc surface .

The side support 233 is in the shape of a rectangular plate, which includes a front 2331 and a back 2332 facing away from the front 2331. The side of the side support 233 close to the positioning seat 24 is provided with a sliding guide part 2333, and the guide slide 2333 is close to the middle support. One end of the 231 forms a resisting portion 2333 a , and the sliding portion 2333 is provided with a sliding groove 2334 . Specifically, the opposite ends of the back side 2332 of the side support 233 close to the side of the positioning seat 24 are provided with guide slides 2333 respectively, and each guide slide 2333 is an arc-shaped block, and one end of the arc-shaped block extends out of the side The supporting member 233 forms a resisting portion 2333 a facing the side of the middle supporting member 231 , and an outer peripheral surface of the resisting portion 2333 a forms a circular driving surface 2330 . The sliding guide groove 2334 is an arc-shaped groove defined in the sliding guide portion 2333 . The guide slide groove 2334 includes a first positioning segment 2334a close to the positioning seat 24, a second positioning segment 2334b away from the positioning seat 24, and a guide sliding segment 2334c between the first positioning segment 2334a and the second positioning segment 2334b; The positioning section 2334a, the sliding guide section 2334c and the second positioning section 2334b communicate with each other. In this embodiment, the middle portion of the sliding section 2334 c of each sliding groove 2334 is bent toward the front side away from the side supporting member 233 .

The side support 233 is provided with a first arc rail 2335, specifically, the back side 2332 of the side support 233 is provided with a number of first arc rails 2335 on the side away from the slide guide 2333, and the first arc rail 2335 is used Being rotatably connected to the connecting member 253 , the sliding guide portion 2333 and the first circular arc rail 2335 are respectively located on two opposite sides of the side supporting member 233 . Each first circular arc rail 2335 is connected to the back surface 2332 of the side support member 233 through a connecting piece 2336 , and the first circular arc rail 2335 is bent from the side support member 233 to a side away from the sliding guide portion 2333 . In this embodiment, the back side 2332 of the side support 233 is provided with three first circular arc rails 2335, wherein the two first circular arc rails 2335 are respectively connected to opposite ends of the side support 233 through connecting pieces 2336, and A first circular arc rail 2335 is connected to the middle part of the side support member 233 through a connecting piece 2336 . In other embodiments, the connecting piece 2336 on each first circular arc track 2335 can be omitted. The corresponding lugs 2316 on the front side of each side support member 233 are provided with abutment portions 2337 , and when the middle support member 231 and the two side support members 233 are flattened, the lugs 2316 abut against the corresponding abutment portions 2337 . In this embodiment, each side support 233 is provided with an abutment 2337 in the middle of the side near the middle support 231 . Specifically, the abutment 2337 is an abutment groove provided on the side support 233 . The opposite ends of the back side 2332 of the side support 233 near the side of the middle support 231 are respectively provided with stop grooves 2338, each stop groove 2338 corresponds to the corresponding stop portion 2317 on the middle support 231, each The stop groove 2338 is close to the corresponding sliding portion 2333 . Preferably, the inner surface of the stop groove 2338 is an arc surface. When the middle support 231 and the two side supports 233 are in a flattened state, the lugs 2316 are positioned in the corresponding abutment grooves, and the driving surface 2330 of the side support 233 is abutted against the corresponding grooves on the middle support 231. The inner surface of the abutment groove 2318 and the front surface of the stop portion 2317 are abutted against the inner surface of the corresponding stop groove 2338 ; thus, the front surface of the middle support member 231 and the front surface of the side support member 233 are coplanar. Preferably, the back surface of the stop portion 2317 is set as an arc surface.

Please refer to FIGS. 6-9 together. The side of the side support 233 away from the middle support 231 is rotatably connected to the connector 253 through the cooperation of the arc groove and the arc rail. The rotation member 251 and the corresponding The positioning seats 24 are also rotatably connected through the cooperation of the arc grooves and the arc rails. The rotation axis between the side support member 233 and the connecting member 253 is a virtual axis, and the rotation axis between the rotation member 251 and the positioning seat 24 is a virtual axis; the axis lines of these two virtual axes are parallel to each other. In this embodiment, the connecting piece 253 is provided with a first arc groove 2530 corresponding to the first arc rail 2335 of the side support 233, and the first arc rail 2335 is rotatably inserted in the first arc groove 2530. The first circular arc rail 2335 can rotate along the first circular arc groove 2530, so that the connecting piece 253 and the side support 233 can rotate relative to each other along the first circular arc groove 2530, and the axis line of the first circular arc groove 2530 and The axis of the first circular arc track 2335 is in line with the rotation axis between the side support member 233 and the connecting member 253 .

In other embodiments, a first arc groove may also be provided on the side support 233, and the connecting piece 253 is provided with a first arc rail corresponding to the first arc groove, and the first arc rail is rotatably inserted into the In the first arc groove, so that the connecting piece 253 and the side support 233 are relatively rotated along the first arc groove, the axis line of the first arc groove and the axis line of the first arc track and the side The axes of rotation between the upper support 233 and the connecting member 253 are collinear.

As shown in Figure 8, the positioning seat 24 is provided with a second arc rail 240, and the rotating member 251 is provided with a second arc groove 2510 corresponding to the second arc rail 240, and the second arc rail 240 is rotatably inserted in the The second arc groove 2510, so that the rotating member 251 rotates relative to the positioning seat 24 along the second arc track 240, the axis line of the second arc track 240 and the axis line of the second arc groove 2510 and the rotating member 251 and the axis of rotation between the positioning seat 24 are collinear. In this embodiment, the positioning seat 24 is provided with a transfer groove 241, the transfer groove 241 runs through the front of the positioning seat 24, the second circular arc rail 240 is protruded on the inner surface of the transfer groove 241, and the second circular arc groove 2510 The corresponding second arc track 240 is disposed on the side of the rotating member 251 .

In some embodiments, a second circular arc groove may also be provided on the positioning seat 24, and the rotating member 251 is provided with a second circular arc rail corresponding to the second circular arc groove, and the second circular arc rail is rotatably inserted in the The second arc groove, so that the rotating member 251 rotates relative to the positioning seat 24 along the second arc groove, the axis line of the second arc groove and the axis line of the second arc track and the rotating member 251 and the positioning seat The axes of rotation between 24 are collinear. Specifically, the side of the positioning seat 24 is provided with an adapter groove 241, the inner surface of the adapter groove 241 is provided with a second arc groove, and the side surface of the rotating member 251 is protrudingly provided with a second arc rail, and the second arc rail is connected to the The second arc groove corresponds, that is, the second arc rail is rotatably inserted in the second arc groove, so that the rotating member 251 and the positioning seat 24 are relatively rotated along the second arc groove; the second arc groove The axis of the axis, the axis of the second arc track, and the axis of rotation between the rotating member 251 and the positioning seat 24 are collinear.

In some embodiments, the positioning seat 24 is provided with a second circular arc track 240 protruding from one of the inner sides of the transition groove 241, and the rotating member 251 is provided with a second circular arc groove 2510 corresponding to the second circular arc track 240; When the rotating part 2511 is inserted into the adapter slot 241 , the second arc track 240 is inserted into the second arc slot 2510 .

In some embodiments, a second arc groove is formed on the side of the transition groove 241 of the positioning seat 24 , and a second arc track corresponding to the second arc groove is protruded from the side of the rotating member 251 . Specifically, one side of the transfer groove 241 is provided with a second arc groove, and the side of the rotating part 2511 corresponding to the second arc groove is provided with a second arc rail. When the rotating part 2511 is inserted into the transfer groove 241 , the second arc rail is inserted into the second arc groove, and the second arc rail can rotate along the first arc groove.

Please also refer to Fig. 8-Fig. 11, in the present embodiment, the positioning seat 24 is roughly rectangular block, and it comprises the back 242 that cross-section is circular arc and the front 245 facing away from the back 242, the front 245 of positioning seat 24 A receiving groove 243 is defined in the middle, and the receiving groove 243 extends along the length direction of the positioning seat 24 and runs through two opposite ends of the positioning seat 24 ; the receiving groove 243 is used for receiving the middle supporting member 231 . The opposite sides of the positioning seat 24 are respectively provided with transfer slots 241, and the two transfer slots 241 are arranged in a dislocation in the length direction of the positioning seat 24. Each transfer slot 241 runs through the front surface 245, and the transfer slots 241 are connected to accommodate Slot 243 ; the end of the rotating member 251 away from the connecting member 253 is movably accommodated in the transfer slot 241 . The positioning seat 24 is convexly provided with a pair of second arc rails 240 on the two inner sides opposite to the transfer groove 241. The opening of the second arc rails 240 faces the front side 245, that is, the middle part of the second arc rails 240 faces the back side 242. Curved on one side. The guide slide portion 2333 of the positioning seat 24 corresponding to the side support 233 is provided with an escape groove 246. Specifically, the escape groove 246 is located at one end of the front surface 245 of the positioning seat 24, and the opposite ends of the avoidance groove 246 run through the positioning seat respectively. 24 opposite sides. The avoidance groove 246 is used for accommodating the guide sliding portion 2333 of the side support member 233 . Specifically, the sliding guide part 2333 is connected to the positioning seat 24 through the connecting shaft 2401. Further, the sliding guiding part 2333 is movably accommodated in the avoidance groove 246, and the connecting shaft 2401 is passed through the sliding guide groove 2334 of the sliding guiding part 2333. and positioned on the positioning seat 24; that is, after the sliding guide part 2333 is accommodated in the escape groove 246, the middle part of the connecting shaft 2401 is movably installed in the guiding sliding groove 2334, and the opposite ends of the connecting shaft 2401 respectively extend out of the guide rail. The chute 2334 is connected to the positioning seat 24 afterward.

In this embodiment, the positioning seat 24 is respectively provided with a pair of positioning pieces 2461 at opposite ends of the avoidance groove 246, and each pair of positioning pieces 2461 is respectively located on opposite sides of the avoidance groove 246. A connecting shaft 2401 is connected. Specifically, each pair of positioning pieces 2461 is provided with a connecting hole 2463, and each connecting hole 2463 passes through the escape groove 246, and the opposite ends of the connecting shaft 2401 are respectively connected to the connecting holes 2463 of the pair of positioning pieces 2461. Preferably, each positioning piece 2461 is a circular piece, the connecting hole 2463 is opened at the center of the circular piece, and the connecting hole 2463 extends along a direction parallel to the axis of the second arc track 240 .

The side of the positioning seat 24 away from the middle support member 231 is provided with a mounting groove 2421, specifically, the mounting groove 2421 is located between the two transfer grooves 241 on the back side 242 of the positioning seat 24, and the mounting groove 2421 is along the width direction of the positioning seat 24 extend. The middle part of the installation groove 2421 communicates with the receiving groove 243 to form a through hole 2423 , and the opposite ends of the installation groove 2421 do not pass through the front surface 245 of the positioning seat 24 . The positioning seat 24 protrudes toward the installation groove 2421 along the moving direction of the middle support member 231 and guides the sliding post 2425; Sliding column 2425.

The positioning seat 24 is provided with a guide slide hole 2455 corresponding to the slide guide bar 2315 of the middle support member 231. The guide slide hole 2455 penetrates the guide slide 24 along the direction perpendicular to the front face 245 of the positioning seat 24, and the slide guide bar 2315 is slidably penetrated in the Guide slide hole 2455. In this embodiment, the sliding guide hole 2455 is located in the middle of one end of the positioning seat 24 close to the escape groove 246 . Specifically, a sliding guide cylinder 2454 is provided in the middle of the end face of the positioning seat 24 near the end of the escape groove 246 , and the inner cavity of the sliding guide cylinder 2454 is the sliding guide hole 2455 .

In other embodiments, the positioning seat 24 is provided with a guide bar along the moving direction of the middle support member 231 , and the middle support member 231 is provided with a guide guide hole corresponding to the guide bar. Specifically, one end of the positioning seat 24 vertically extends the guide bar to the direction of the middle support 231, and the back side of the middle support 231 is provided with a guide tube corresponding to the guide bar. The slide bar is slidably inserted into the slide guide hole.

In other embodiments, the positioning seat 24 may be, but not limited to, a bar-shaped block, an oval-shaped block, a waist-shaped block, and the like.

Please refer to FIGS. 8-9 and 12-13 together. The end of the rotating member 251 of the rotating shaft assembly 22 away from the positioning seat is detachably connected to the connecting member 253 by clamping, screwing or glueing. Specifically, the rotating part 251 includes a rotating part 2511, a fixing part 2512 and a connecting part 2513 connected between the rotating part 2511 and the fixing part 2512; It is detachably connected to the connecting piece 253 . The rotating part 2511 is an arc-shaped block, and the arc-shaped block includes two opposite sides 2514 , and a pair of second arc grooves 2510 are provided on the two sides 2514 . In this embodiment, the rotating part 251 and the connecting part 253 are detachably connected together through clamping. The connecting portion 2513 is an inclined bar, and opposite ends of the connecting portion 2513 are respectively connected to one end of the rotating portion 2511 and one end of the fixing portion 2512 . The fixing part 2512 is a rectangular block, and a connecting hole 2515 is defined in the middle of the fixing part 2512 . The fixing part 2512 is respectively provided with locking slots 2516 on opposite sides of the rotating part 251 .

The connecting piece 253 is strip-shaped. In this embodiment, the connecting piece 253 is a rectangular rod. At least one end surface of the connecting piece 253 is provided with a first circular arc groove 2530, and one end of the first circular arc groove 2530 runs through the front surface 2531 of the connecting piece 253. , the opposite end runs through the side of the connecting piece 253 away from the positioning seat 24 . The rotating part 251 is detachably connected to the connecting part 253. Specifically, the front side 2531 of the connecting part 253 is provided with a positioning groove 2532, and the opposite ends of the positioning groove 2532 run through the opposite two sides of the connecting part 253 respectively; the positioning groove 2532 is used for positioning and fixing Section 2512. Two locking bars 2533 protrude from the two inner surfaces of the connecting member 253 opposite to the positioning slot 2532 , and the two locking bars 2533 correspond to the two locking slots 2516 of the fixing portion 2512 . A counterbore 2534 is defined on the back of the connector 253 , and the counterbore 2534 passes through the positioning groove 2532 . Connecting holes 2535 are formed on the back of the connecting piece 253 , specifically, connecting holes 2535 are respectively set on opposite ends of the back of the connecting piece 253 . Positioning columns 2536 protrude from opposite ends of the back of the connecting member 253 . The front surface 2531 of the connecting piece 253 is provided with a plurality of escape grooves 2537 , and these escape grooves 2537 are used for avoiding a plurality of protrusions on the back of the side support portion 233 .

It should be noted that the two connecting pieces 253 on each positioning seat 24 in this application are different in connection positions corresponding to the two rotating pieces 251 and the number and positions of the avoidance grooves on the two connecting pieces 253 are different. , and the other structures are the same. In one embodiment, the rotating member 251 of one of the rotating mechanisms 25 on the positioning seat 24 is detachably connected to the middle of the corresponding connecting member 253, and the other rotating member 251 is detachably connected to the end of the corresponding connecting member 253. department.

As shown in Figure 12 and Figure 13, when assembling the rotating mechanism 25, insert the fixed part 2512 of the rotating part 251 into the positioning groove 2532 of the connecting part 253, so that the two clip bars 2533 of the connecting part 253 are snapped into the fixed part 2512 respectively. The two slots 2516 are used to detachably connect the rotating member 251 and the connecting member 253 together.

As shown in Figures 8 and 9, the rotating shaft assembly 22 also includes a locking mechanism 26, which is used to connect the middle support 231 to the positioning seat 24, specifically, the locking mechanism 26 includes an elastic member 261, a locking The member 263 , the mounting member 265 , and the elastic member 261 are disposed on the positioning seat 24 , and the elastic member 261 is preset with an elastic force to drive the middle supporting member 231 to approach the positioning seat 24 . The locking part 263 is used for the connection between the middle support part 231 and the positioning seat 24; the mounting part 265 is used for positioning the elastic part 261 on the positioning seat 24, that is, the elastic part 261 is arranged on the mounting part 265 and positioned in a pre-compressed state. Between the seats 24 , the locking member 263 connects the mounting member 265 to the positioning seat 24 . In this embodiment, a locking mechanism 26 is provided between each positioning seat 24 and the middle support member 231, the elastic member 261 is a spring, the locking member 263 is a screw, the mounting member 265 is a positioning piece, and the middle part of the positioning piece is opened. The holes 2650 and the through holes 2650 are used for the screws to pass through. The opposite ends of the positioning piece are respectively provided with positioning holes 2652 , and each positioning hole 2652 is used for positioning the elastic member 261 .

Please refer to Figures 6-18 together. When assembling the shaft assembly 22, insert the rotating parts 2511 of the two rotating parts 251 into the transfer slots 241 corresponding to the positioning seat 24, and the two second transfer slots 241 in each transfer slot 241 The two arc rails 240 are respectively inserted into the corresponding second arc grooves 2510, and the second arc rails 240 rotate along the second arc grooves 2510, so that the rotating mechanism 25 is rotatably connected to the positioning seat 24, thereby realizing two The connecting pieces 253 are folded or flattened with each other. When the two connectors 253 are flattened with each other, the rotating part 2511 of the rotating member 251 extends away from the end of the connecting member 253 out of the transfer groove 241 and is located in the receiving groove 243; when the two connecting members 253 are folded mutually, the rotating member 251 The end of the rotating portion 2511 facing away from the connecting piece 253 is accommodated in the transfer groove 241 . Place the fronts 245 of the two positioning seats 24 on the back 2312 of the middle support 231, so that the two connecting columns 2313 of the middle support 231 are respectively inserted into the installation grooves 2421 of the two positioning seats 24, and the two guide slides The rods 2315 are respectively slidably inserted in the guide holes 2455 of the two positioning seats 24, so that the middle supporting member 231 is accommodated in the receiving groove 243 of the positioning seat 24; In the positioning hole 2652, place the installation piece 265 together with the elastic piece 261 in the installation groove 2421 of the positioning seat 24, so that the guide column 2425 is passed through the corresponding elastic piece 261 and the positioning hole 2652; the locking piece 263 is passed through The through hole 2450 of the mounting part 265 is locked to the connection hole 2314 of the middle support part 231, and the mounting part 265 is fixedly connected to the middle support part 231, so that the elastic part 261 is squeezed by the positioning seat 24 and the mounting part 265 to have a pulling force on the middle support part. 231 moves towards the elastic force of the positioning seat 24. At this time, the middle supporting member 231 is accommodated in the receiving groove 243 of the positioning seat 24 . Then place the two side supports 233 on opposite sides of the middle support 231, and the two guide slides 2333 of each side support 233 are respectively inserted into the escape grooves 246 of the two positioning seats 24, and connected The shaft 2401 is inserted in the guide groove 2334 of the corresponding guide part 2333, and the opposite ends of the connecting shaft 2401 are connected in the connecting hole 2463; the first circular arc rail 2335 of each side support 233 is respectively inserted into Corresponding to the first circular arc groove 2530 of the connecting piece 253 .

As shown in Figures 8-9 and Figures 16 and 18, when the side support 233 and the middle support 231 are in a flattened state, the end of the rotating member 251 away from the connecting piece 253 touches against the middle support 231, guiding The pushing part 2333a of the sliding part 2333 abuts against the inner surface of the abutting groove 2318 corresponding to the middle supporting part 231, and the stop parts 2317 on opposite sides of the middle supporting part 231 respectively abut against the backs of the two side supporting parts 233, That is, the stop portion 2317 abuts against the inner surface of the corresponding stop groove 2338, and the lugs 2316 on opposite sides of the middle support member 231 respectively abut against the abutment portions 2337 of the two side support members 233, so that the side supports The side supports 233 and the middle support 231 are juxtaposed such that the front faces of the side supports 233 are coplanar with the front faces of the middle support 231 .

At this time, the axis of rotation between the rotating member 251 and the positioning seat 24 is parallel to the axis of rotation between the side support 233 and the connecting member 253; The rotation axis between the piece 233 and the connecting piece 253 is closer to the positioning seat 24 . The axis of the connecting shaft 2401 is parallel to the rotation axis between the rotating member 251 and the positioning seat 24 . When the rotating part 251 rotates relative to the positioning seat 24, the connecting part 253 rotates with the corresponding rotating part 251 relative to the positioning seat 24, and the connecting part 253 drives the corresponding side support part 233 to rotate and slide relative to the positioning seat 24, so that The side supporting part 233 and the middle supporting part 231 are bent or unfolded mutually.

As shown in Figures 19-31, when bending the rotating shaft assembly 22 from the flattened state, the two rotating mechanisms 25 on the opposite sides of the positioning seat 24 are simultaneously bent towards the direction of approaching each other, so that the first rotating member 251 The second circular arc groove 2510 and the second circular arc rail 240 of the positioning seat 24 rotate relatively to drive the corresponding connecting piece 253 to rotate relative to the positioning seat 24 and approach each other, and the connecting piece 253 drives the first side of the corresponding side support 233. The circular arc rail 2335 is rotatably connected to the corresponding first circular arc groove 2530; since the guide slide part 2333 is slidably and rotatably sleeved on the connecting shaft 2401, the guide slide part 2333 of the side support 233 is in the corresponding escape groove 246, so that the two side supports 233 move closer to each other, and the middle support 231 moves toward the positioning seat 24 under the elastic force of the elastic member 261 until the two side supports 233 and the middle support 231 form a cross section into water droplets. When the two rotating mechanisms 25 on the positioning seat 24 rotated 90 degrees with respect to the positioning seat 24 respectively, the rotation angle of the two side supports 233 relative to the positioning seat 24 was greater than 90 degrees, so that the two side supports 233 A receiving space with a drop-shaped cross section is enclosed between the central supporting member 231 and the receiving space is used to accommodate the bendable region 31 where the flexible member 30 is bent.

During the mutual bending of the two side supports 233 , the end of the rotating member 251 away from the corresponding connecting member 253 moves away from the middle support 231 and gradually breaks away from the abutment against the back 2312 of the middle support 231 , the middle The support member 231 moves toward the positioning seat 24 under the driving action of the elastic member 261, that is, the elastic force of the elastic member 261 drives the middle support member 231 to move toward the positioning seat 24, and the guide slide rod 2315 of the middle support member 231 moves along the corresponding guide slide cylinder. The inner cavity of 2454 slides, the driving surface 2330 of the sliding guide part 2333 gradually disengages from the inner surface of the corresponding abutment groove 2318, and the stopper 2317 gradually disengages from the abutment of the inner surface of the corresponding abutment groove 2338, The lug 2316 of the middle supporting part 231 is gradually disengaged from the abutment against the corresponding abutting part 2337 until the middle supporting part 231 is accommodated in the receiving groove 243 of the positioning seat 24 . At this time, the end of the rotating member 251 away from the corresponding connecting member 253 is away from the middle support member 231, the middle support member 231 is accommodated in the receiving groove 243 of the positioning seat 24, the elastic member 261 resets, and the driving surface 2330 of the guide slide part 2333 Breaking away from the abutting groove 2318, the stopper 2317 is out of the abutment with the side support member 233, the lug 2316 is out of the abutment with the abutting portion 2337, and the connecting shaft 2401 is located in the first positioning section 2334a after passing through the sliding guide section 2334c.

In other bending methods for the rotating shaft assembly 22, one of the rotating mechanisms 25 of the positioning seat 24 is bent toward the other rotating mechanism 25, so that the second arc groove 2510 of the rotating member 251 of one of the rotating mechanisms 25 is aligned with the other rotating mechanism 25. The second circular arc rail 240 of the positioning seat 24 rotates relatively to drive the connecting piece 253 of one of the rotating mechanisms 25 to rotate relative to the positioning seat 24 and approach the other rotating mechanism 25, and the connecting piece 253 drives the corresponding side support 233 The first circular arc rail 2335 is rotationally connected to the corresponding first circular arc groove 2530; since the sliding guide part 2333 is slidably and rotationally sleeved on the corresponding connecting shaft 2401, the sliding guide part 2333 of the side support 233 is Slide in the corresponding escape groove 246; another rotating mechanism 25 of the positioning seat 24 is bent toward one rotating mechanism 25, so that the second arc groove 2510 of the rotating part 251 of the other rotating mechanism 25 is aligned with the positioning seat 24 The second circular arc rail 240 of the second circular arc rail 240 is relatively rotated to drive the connecting piece 253 of the other rotating mechanism 25 to rotate relative to the positioning seat and approach one of the rotating mechanisms 25, and the connecting piece 253 drives the first circular arc of the corresponding side support 233. The arc rail 2335 is rotatably connected to the corresponding first arc groove 2530; since the guide slide part 2333 slides and is rotatably sleeved on the corresponding connecting shaft 2401, the guide slide part 2333 of the side support 233 is in the corresponding avoidance position. Sliding in the groove 246, so that the two side support members 233 approach each other until the two side support members 233 and the middle support member 231 enclose a cross section in a drop shape.

When the rotating shaft assembly 22 is unfolded from the bent state, the two rotating mechanisms 25 opposite to the positioning seat 24 are unfolded away from each other, and the second arc groove 2510 of the rotating member 251 and the second arc track 240 of the positioning seat 24 rotate relatively. , so as to drive the corresponding connecting piece 253 to rotate relative to the positioning seat 24, the connecting piece 253 drives the first circular arc rail 2335 of the side support 233 to be connected to the corresponding first circular arc groove 2530 in a rotational manner; since the sliding guide part 2333 slides And rotatably sleeved on the connecting shaft 2401, the sliding part 2333 of the side support 233 slides in the corresponding avoidance groove 246; the two side supports 233 are kept away from each other until the two side supports 233 It is flattened with the middle supporting member 231 .

When the two side supports 233 are mutually unfolded, the ends of the rotating parts 251 away from the corresponding connecting parts 253 move closer to the middle support 231 and gradually push against the back side 2312 of the middle support 231, so that the middle support 231 is far away. The positioning seat 24 moves until the middle support member 231 and the side support member 233 are in a flattened state; specifically, the end of the rotating member 251 away from the corresponding connecting member 253 abuts against the middle support member 231, so that the middle support member 231 is moved out of the positioning The receiving groove 243 of the seat 24, the elastic member 261 is elastically deformed, the stopper 2317 abuts against the back of the side support member 233, the lug 2316 abuts against the corresponding abutting portion 2337, and the connecting shaft 2401 passes through the sliding guide section 2334c Located in the second positioning section 2334b. That is, when the connecting shaft 2401 is located at the first positioning section 2334a, the two side supports 233 are bent mutually; when the connecting shaft 2401 is located at the second positioning section 2334b, the two side supports 233 are flattened mutually.

During the process of the two side supports 233 being flattened, the end of the rotating member 251 away from the corresponding connecting member 253 gradually pushes against the middle support 231, so that the middle support 231 gradually moves out of the receiving groove 243; the elastic member 261 Elastic deformation gradually occurs, the guide rod 2315 of the middle support 231 slides along the inner cavity of the corresponding guide cylinder 2454, the driving surface 2330 of the guide part 2333 gradually pushes against the inner surface of the corresponding abutting groove 2318, and the stopper 2317 gradually pushes against the inner surface of the corresponding stop groove 2338 , and the lug 2316 of the middle support 231 gradually pushes against the corresponding abutting portion 2337 until the middle support 231 and the two side supports 233 are flattened. At this time, the end of the rotating member 251 away from the corresponding connecting member 253 abuts against the middle support member 231, the middle support member 231 is located outside the receiving groove 243 of the positioning seat 24, the elastic member 261 is elastically deformed, and the driving surface 2330 of the sliding guide part 2333 The inner surface of the abutting groove 2318, the stop portion 2317 abuts against the inner surface of the stop groove 2338, the lug 2316 abuts against the abutting portion 2337, and the connecting shaft 2401 is located in the second positioning section 2334b after passing through the sliding guide section 2334c.

In other deployment methods of the rotating shaft assembly 22, one of the rotating mechanisms 25 of the positioning seat 24 is deployed away from the other rotating mechanism 25, so that the second arc groove 2510 of the rotating member 251 of one of the rotating mechanisms 25 is aligned with the positioning seat 24. The second circular arc rail 240 of the second circular arc rail 240 is relatively rotated to drive the connecting piece 253 of one of the rotating mechanisms 25 to rotate relative to the positioning seat 24 and away from the other rotating mechanism 25, and the connecting piece 253 drives the first circular arc of the corresponding side support 233. The arc rail 2335 is rotatably connected to the corresponding first arc groove 2530; since the guide slide part 2333 slides and is rotatably sleeved on the corresponding connecting shaft 2401, the guide slide part 2333 of the side support 233 is in the corresponding avoidance position. Sliding in the slot 246; the other rotating mechanism 25 of the positioning seat 24 is away from one rotating mechanism 25 and flattened, so that the second arc groove 2510 of the rotating part 251 of the other rotating mechanism 25 and the second circular arc groove 2510 of the positioning seat 24 The circular arc rail 240 rotates relatively to drive the connecting piece 253 of the other rotating mechanism 25 to rotate relative to the positioning seat and away from one of the rotating mechanism 25, and the connecting piece 253 drives the first circular arc rail 2335 of the corresponding side support 233 to rotate is connected to the corresponding first arc groove 2530; since the sliding guide part 2333 slides and is rotatably sleeved on the corresponding connecting shaft 2401, the sliding guide part 2333 of the side support 233 slides in the corresponding escape groove 246 , so that the two side support members 233 are separated from each other until the two side support members 233 and the middle support member 231 are flattened.

When assembling the electronic device 100, the installed shaft assembly 22 is placed between the two frames 21, and the connectors 253 on opposite sides of the shaft assembly 22 are respectively accommodated in the receiving grooves 216 of the two frames 21, so that The connecting holes 2535 of the connectors 253 face the connecting holes 217 of the frame body 21 respectively, and the positioning columns 2536 of the connectors 253 are snapped into the clamping holes (not shown) of the frame body 21; Through the connecting hole 217 and locked in the corresponding connecting hole 2535 , the two frames 21 are respectively fixedly connected to the corresponding connecting piece 253 . At this time, the fronts of the two frame bodies 21 , the fronts of the two side supports 233 and the fronts of the middle support 231 are coplanar. The back of the flexible member 30 is connected to the fronts 211 of the two frames 21 and the fronts of the support mechanism 23, the bendable area 31 faces the support mechanism 23, and the two non-bending areas 33 face the sides of the two frames 21 respectively. front. When the flexible member 30 is in the flattened state, the end of the rotating member 251 away from the connecting member 253 abuts against the back of the middle support member 231, and the middle support member 231 is flush with the two side support members 233 to define the support mechanism 23 Keep the flattened state; since the front of the support mechanism 23 is a complete surface, the middle support member 231 has no step difference, so the flexible part 30 will not be impacted by the step difference when it is flattened, and the flexible part 30 will not have colored spots, bright spots, etc. Defective problems ensure the reliability of the flexible member 30, and at the same time, improve the touch feel of the flexible member 30 and improve user experience.

Please refer to FIGS. 19-33 together. When bending the electronic device 100, a bending force is applied to at least one of the two frames 21 of the electronic device 100, so that the rotating mechanisms 25 connected to the two frames 21 move toward each other. Rotate in the adjacent direction to realize the bending of the supporting mechanism 23 of the rotating shaft assembly 22 , and the bendable region 31 of the flexible member 30 bends along with the supporting mechanism 23 . Specifically, if a bending force is applied to one of the frame bodies 21, the frame body 21 drives the corresponding rotating member 251 to rotate to the side close to the flexible member 30 relative to the positioning seat 24, and the connecting member 253 is positioned relative to the rotating member 251. The seat 24 rotates so that the connecting piece 253 drives the first arc rail 2335 of the side support 233 to be rotationally connected to the corresponding first arc groove 2530, and the sliding guide part 2333 of the side support 233 is slid and rotatably sleeved On the connecting shaft 2401, to drive the side support 233 connected with one frame body 21 to move closer to the other frame body 21; then apply bending force to the other frame body 21, and the other frame body 21 drives the corresponding The rotating part 251 rotates to the side close to the flexible part 30 relative to the positioning seat 24, and the connecting part 253 rotates with the rotating part 251 relative to the positioning seat 24, so that the connecting part 253 drives the first circular arc rail 2335 of the side support part 233 to rotate connected to the corresponding first arc groove 2530, the sliding guide part 2333 of the side support 233 is slidably and rotatably sleeved on the connecting shaft 2401, so as to drive the side support 233 connected with the other frame body 21 Close to a frame body 21 , so that the two side supports 233 are close to each other, so that the rotating shaft assembly 22 is in a bent state. The bendable region 31 of the flexible member 30 is bent along with the shaft assembly 22 until the fronts of the two non-bending regions 33 of the flexible member 30 are attached to each other, and the bendable region 31 is bent into a drop shape, thereby realizing the electronic device 100 seamless folds.

During the above process, the end of the rotating member 251 away from the connecting member 253 gradually releases the abutment against the middle supporting member 231, and the elastic force of the elastic member 261 drives the middle supporting member 231 to move toward the positioning seat 24 until the middle supporting member 231 is accommodated in the In the accommodating groove 243, to increase the space for accommodating the bendable area 31, avoid the middle support 231 against the bendable area 31, so that the flexible member 30 does not need screen lifting during the folding process, and the flexible member 30 is improved. folding life. The bendable region 31 of the flexible member 30 is bent to form a drop shape, which reduces the duty cycle of the bendable region 31 after bending, thereby reducing the overall thickness of the electronic device 100 .

In other bending methods for the electronic device 100, a bending force can also be applied to the two frame bodies 21 at the same time, and the two frame bodies 21 respectively drive the two rotating parts 251 to rotate to the side close to the flexible part 30, and The bending of the electronic device 100 is realized by the rotating shaft assembly 22 .

When the electronic device 100 needs to be flattened, one of the frame bodies 21 is pulled outward, so that the two connecting members 253 connected to the two frame bodies 21 are rotated away from each other. Specifically, an outward pulling force is applied to one of the frame bodies 21 of the electronic device 100, and one of the frame bodies 21 drives the corresponding connecting member 253 to rotate relative to the side of the positioning seat 24 away from the flexible member 30, so as to drive the corresponding The rotating member 251 rotates away from each other relative to the positioning seat 24; at the same time, the connecting member 253 drives the first arc rail 2335 of the side support 233 to be rotationally connected to the corresponding first arc groove 2530, and the side support 233 The sliding guide part 2333 is slidably and rotatably sleeved on the connecting shaft 2401, so as to drive the two side supports 233 away from each other and flatten, so that the shaft assembly 22 unfolds, and the bendable area 31 of the flexible member 30 follows the shaft assembly 22 Unfold until the flexible member 30 is flattened.

During the above process, the end of the rotating member 251 away from the connecting member 253 gradually pushes against the middle supporting member 231 to move the middle supporting member 231 away from the positioning seat 24 until the middle supporting member 231 is flush with the two side supporting members 233 . The middle support 231 and the side support 233 are used to support the bendable region 31, that is, after the flexible member 30 is flattened, there is no gap between the bendable region 31 and the middle support 231, which can prevent the flexible member 30 from being damaged and improve flexibility. 30 pieces of folding life.

In other ways of unfolding the electronic device 100, the two frames 21 can also be simultaneously applied with an outward pulling force, and the two frames 21 respectively drive the two rotating parts 251 to the side away from the flexible part 30. Rotate, so that the supporting mechanism 23 is unfolded to realize the unfolding of the electronic device 100 .

The rotating shaft assembly 22 of the electronic device 100 of the present invention is bent or unfolded through the rotating mechanism 25, and the two sides of the side support 233 of the rotating shaft assembly 22 are respectively connected with the positioning seat 24 and the connecting member 253, so that the structure of the rotating shaft assembly 22 firm, improving the overall strength of the electronic device 100 . In addition, the structure of the rotating shaft assembly 22 is simple, the number of parts is small, and the manufacturing cost is low.

The above is the implementation of the embodiment of the present application. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the embodiment of the present application, some improvements and modifications can also be made. These improvements and modifications are also It is regarded as the scope of protection of this application.

Claims (20)

1. A rotating shaft assembly, characterized in that the rotating shaft assembly includes a supporting mechanism, a positioning seat, and a rotating mechanism, the supporting mechanism includes two side supports, each side support and the positioning seat are provided There is the rotating mechanism, the rotating mechanism includes a rotating part and a connecting part, the end of the rotating part away from the connecting part is rotatably connected to the positioning seat, and the side of the side support part away from the positioning seat Rotationally connected to the connecting piece, the side of the side support away from the connecting piece is rotatably and slidably connected to the positioning seat; the connecting piece rotates with the rotating piece relative to the positioning seat, To drive the side support parts to rotate and slide relative to the positioning seat, so that the two side support parts can be bent or unfolded mutually.
2. The rotating shaft assembly according to claim 1, wherein the rotation axis between the rotating member and the positioning seat is parallel to the rotation axis between the side support member and the connecting member.
3. The rotating shaft assembly according to claim 1, wherein an end of the rotating member away from the positioning seat is detachably connected to the connecting member.
4. The rotating shaft assembly according to claim 1, wherein a sliding guide part is provided on the side of the side support close to the positioning seat, and the sliding guide part is provided with a sliding guide groove, and the sliding guide part Connected to the positioning seat through a connecting shaft, the connecting shaft is inserted in the guide chute and positioned on the positioning seat, the axis of the connecting shaft is parallel to the distance between the rotating member and the positioning seat axis of rotation.
5. The rotating shaft assembly according to claim 4, wherein the sliding guide groove includes a first positioning section close to the positioning seat, a second positioning section away from the positioning seat, and a positioning section located at the first positioning section and the guide slide section between the second positioning section; when the connecting shaft is located in the first positioning section, the two side supports are bent mutually; the connecting shaft passes through the guide slide section When the rear is positioned at the second positioning section, the two side supports are flattened to each other.
6. The rotating shaft assembly according to claim 4, wherein the front of the positioning seat is provided with an escape groove corresponding to the slide guide, and the slide guide is movably accommodated in the escape groove, so that The middle part of the connecting shaft passes through the guide chute.
7. The rotating shaft assembly according to claim 1, wherein the side support member is provided with a first arc rail, and the connecting member is provided with a first arc groove corresponding to the first arc rail; or the The side support is provided with a first arc groove, and the connecting piece is provided with a first arc rail corresponding to the first arc groove; the first arc rail can rotate along the first arc groove , the axis of the first circular arc track is collinear with the rotation axis between the side support and the connecting piece.
8. The rotating shaft assembly according to claim 1, wherein a transfer slot is provided on the front of the positioning seat, and the end of the rotating member away from the connecting member is movably accommodated in the transfer slot;

   The inner surface of the transition groove is provided with a second arc track, and the side surface of the rotating member is provided with a second arc groove corresponding to the second arc track; or the inner surface of the transition groove is provided with a second arc groove, a second arc rail corresponding to the second arc groove protrudes from the side of the rotating member;

   The second arc track can rotate along the second arc groove, and the axis line of the second arc track is collinear with the rotation axis between the rotating member and the positioning seat.
9. The rotating shaft assembly according to claim 4, wherein the support mechanism further comprises a middle support member located between the two side support members, and when the two side support members are mutually unfolded , the end of the rotating member away from the connecting member moves closer to the middle support and pushes the middle support away from the positioning seat, when the middle support and the two side supports When in a flattened state, the end of the rotating member away from the connecting member abuts against the middle supporting member.
10. The rotating shaft assembly according to claim 9, wherein an end of the sliding guide part close to the middle supporting part forms a resisting part, and when the two side supporting parts are mutually unfolded, the resisting part The pushing part gradually pushes against the back of the middle support.
11. The rotating shaft assembly according to claim 10, characterized in that, the outer peripheral surface of the pushing part is formed as a driving surface of a circular arc, and the back surface of the middle supporting part is provided with abutting groove corresponding to the sliding part, so that The resisting portion is movable against the inner surface of the resisting groove.
12. The rotating shaft assembly according to claim 9, characterized in that stop portions are respectively provided on opposite sides of the middle support member, and stop grooves are provided on the back of the side support member corresponding to the stop portions, When the middle support member and the two side support members are in a flattened state, the stop portion is against the inner surface of the stop groove.
13. The shaft assembly according to claim 9, characterized in that lugs are respectively provided on opposite sides of the middle support, and the front of the side support is provided with abutment corresponding to the lugs, when the When the middle supporting part and the two side supporting parts are in a flattened state, the lugs abut against the corresponding abutting parts.
14. The rotating shaft assembly according to claim 9, wherein the middle support member is provided with a guide bar along its moving direction, and the positioning seat is provided with a guide hole corresponding to the guide bar; or the positioning seat A sliding guide bar is provided along the moving direction of the middle support member, and a guide slide hole is provided on the middle support member corresponding to the guide slide bar; the guide slide bar is slidably inserted in the guide slide hole.
15. The rotating shaft assembly according to claim 9, wherein an elastic member is provided on the positioning seat, and the elastic member is preset with an elastic force to drive the middle supporting member closer to the positioning seat.
16. The rotating shaft assembly according to claim 15, wherein a mounting groove is provided on a side of the positioning seat away from the middle support member, and a mounting piece is slidably provided in the mounting groove, and the mounting piece is fixedly connected In the middle supporting part, the elastic part is arranged between the mounting part and the positioning seat in a pre-compressed state.
17. The rotating shaft assembly according to claim 16, wherein the positioning seat protrudes toward the inside of the installation groove along the moving direction of the middle support member, and a guide column is provided, and the elastic member is sleeved on the guide slide. a column, and the installation part is slidably sleeved on the guide column.
18. The rotating shaft assembly according to claim 15, wherein when the two side support members are bent relative to the middle support member, the middle support member is driven by the elastic member toward The positioning seat moves.
19. A foldable housing, characterized in that the foldable housing comprises the hinge assembly according to any one of claims 1-18 and two frames, the hinge assembly is located between the two frames, The two frames are respectively connected to corresponding connecting pieces in the rotating shaft assembly.
20. An electronic device, characterized in that the electronic device comprises a flexible member and the foldable case according to claim 19, the flexible member is arranged on the foldable case.

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