CN116557405A - Rotating shaft assembly, folding shell and electronic equipment - Google Patents

Rotating shaft assembly, folding shell and electronic equipment Download PDF

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Publication number
CN116557405A
CN116557405A CN202210108899.3A CN202210108899A CN116557405A CN 116557405 A CN116557405 A CN 116557405A CN 202210108899 A CN202210108899 A CN 202210108899A CN 116557405 A CN116557405 A CN 116557405A
Authority
CN
China
Prior art keywords
positioning seat
rotating
groove
piece
circular arc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210108899.3A
Other languages
Chinese (zh)
Inventor
陈秋良
史长春
彭翊
徐亚星
黄宏东
杨炳玥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202210108899.3A priority Critical patent/CN116557405A/en
Priority to PCT/CN2022/140648 priority patent/WO2023142795A1/en
Publication of CN116557405A publication Critical patent/CN116557405A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/10—Arrangements for locking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0222—Foldable in two directions, i.e. using a two degree of freedom hinge
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

The invention provides a rotating shaft assembly, which comprises a supporting mechanism, a positioning seat and a rotating mechanism, wherein the supporting mechanism comprises two side supporting pieces, the rotating mechanism is arranged between each side supporting piece and the positioning seat, the rotating mechanism comprises a rotating piece and a connecting piece, one end of the rotating piece, which is far away from the connecting piece, is rotationally connected with the positioning seat, one side of the side supporting piece, which is far away from the positioning seat, is rotationally connected with the connecting piece, and one side of the side supporting piece, which is far away from the connecting piece, is rotationally and slidingly connected with the positioning seat; the connecting piece rotates along with the rotating piece relative to the positioning seat so as to drive the side supporting pieces to rotate and slide relative to the positioning seat, so that the two side supporting pieces can be mutually bent or mutually unfolded. The application also provides a folding shell provided with the rotating shaft assembly and electronic equipment provided with the folding shell.

Description

Rotating shaft assembly, folding shell and electronic equipment
Technical Field
The invention relates to the field of flexible piece support, in particular to a rotating shaft assembly for supporting a flexible piece, a folding shell provided with the rotating shaft assembly and electronic equipment provided with the folding shell.
Background
With the development of display devices, a bendable flexible display screen has been developed, so as to design a foldable electronic device such as a water-drop type foldable mobile phone, a foldable display screen, and the like. The water drop type folding mobile phone generally supports the bending part of the flexible display screen of the water drop type folding mobile phone through rotating shaft assemblies such as two or more four-bar mechanisms which are connected with each other. However, the existing rotating shaft assembly has the disadvantages of more parts, complex structure and higher manufacturing cost.
Disclosure of Invention
The application provides a simple structure, lower pivot subassembly of manufacturing cost, be provided with pivot subassembly's folding casing to and be equipped with folding casing's electronic equipment.
The application provides a rotating shaft assembly, the rotating shaft assembly includes supporting mechanism, positioning seat and slewing mechanism, the supporting mechanism includes two lateral part supporting pieces, be equipped with slewing mechanism between every lateral part supporting piece and the positioning seat, slewing mechanism includes rotating piece and connecting piece, one end that the connecting piece was kept away from to the rotating piece rotates to connect in the positioning seat, one side that the lateral part supporting piece kept away from the positioning seat rotates to connect in the connecting piece, one side that the lateral part supporting piece kept away from the connecting piece rotates and slidingly connects in the positioning seat; the connecting piece rotates along with the rotating piece relative to the positioning seat so as to drive the side supporting pieces to rotate and slide relative to the positioning seat, so that the two side supporting pieces can be mutually bent or mutually unfolded.
The application also provides a folding casing, folding casing include pivot subassembly and two frameworks, and the pivot subassembly is located between two frameworks, and two frameworks are connected respectively in the connecting piece that corresponds in the pivot subassembly.
The application also provides electronic equipment, and electronic equipment includes flexible piece and folding casing, and the flexible piece sets up on folding casing.
The rotating shaft assembly of the electronic equipment comprises a supporting mechanism, a positioning seat and a rotating mechanism arranged between the supporting mechanism and the positioning seat, wherein the rotating mechanism comprises a rotating piece and a connecting piece connected with the rotating piece, one end of the rotating piece, far away from the connecting piece, is rotationally connected with the positioning seat, one side of the side supporting piece, far away from the positioning seat, is rotationally connected with the corresponding connecting piece, and one side of the side supporting piece, close to the positioning seat, is rotationally and slidingly connected with the positioning seat. The two frame bodies are mutually close to each other and folded or mutually far away from each other to be unfolded, the rotating piece is driven to rotate relative to the positioning seat, the connecting piece rotates relative to the positioning seat along with the corresponding rotating piece, and the connecting piece drives the two side supporting pieces to mutually fold or mutually unfold, so that the folding or unfolding of the flexible piece is realized. Because the pivot subassembly just can realize folding or exhibition through supporting mechanism and slewing mechanism, need not to set up hinge mechanism, consequently, pivot subassembly's simple structure, part quantity is less, low in manufacturing cost, and the connection reliability between each part is high, and complete machine intensity promotes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of an electronic device according to an embodiment of the present application;
FIG. 2 is an exploded perspective view of the folding housing and the flexible member of the electronic device of FIG. 1;
FIG. 3 is a schematic perspective view of the folding housing and the flexible member of FIG. 2 from another perspective;
FIG. 4 is an exploded perspective view of the folding housing of FIG. 2;
FIG. 5 is an exploded perspective view of the folding housing of FIG. 3;
FIG. 6 is a schematic perspective view of the spindle assembly of FIG. 4;
FIG. 7 is a schematic perspective view of the spindle assembly of FIG. 5;
FIG. 8 is an exploded perspective view of the spindle assembly of FIG. 6;
FIG. 9 is an exploded perspective view of the spindle assembly of FIG. 7;
FIG. 10 is a schematic perspective view of the positioning seat in FIG. 8;
FIG. 11 is a schematic perspective view of the positioning seat in FIG. 9;
FIG. 12 is an exploded perspective view of the rotation mechanism of FIG. 8;
FIG. 13 is an exploded perspective view of the rotation mechanism of FIG. 9;
FIG. 14 is a perspective cross-sectional view of a portion of the spindle assembly of FIG. 6;
FIG. 15 is a perspective cross-sectional view of another portion of the spindle assembly of FIG. 6;
FIG. 16 is a perspective cross-sectional view of yet another portion of the spindle assembly of FIG. 6;
FIG. 17 is a perspective cross-sectional view of yet another portion of the spindle assembly of FIG. 6;
FIG. 18 is an enlarged view of portion XVIII of FIG. 15;
FIG. 19 is a schematic perspective view of the hinge assembly of FIG. 6 bent to an angle;
FIG. 20 is a schematic perspective view of another view of the spindle assembly of FIG. 19;
FIG. 21 is a perspective cross-sectional view of a portion of the spindle assembly of FIG. 19;
FIG. 22 is a perspective cross-sectional view of another portion of the spindle assembly of FIG. 19;
FIG. 23 is a perspective cross-sectional view of yet another portion of the spindle assembly of FIG. 19;
FIG. 24 is a perspective cross-sectional view of yet another portion of the spindle assembly of FIG. 19;
FIG. 25 is an enlarged view of portion XXV in FIG. 22;
FIG. 26 is a schematic perspective view of the hinge assembly of FIG. 6 bent to another angle;
FIG. 27 is a schematic perspective view of the spindle assembly of FIG. 26 from another perspective;
FIG. 28 is a perspective cross-sectional view of a portion of the spindle assembly of FIG. 26;
FIG. 29 is a perspective cross-sectional view of another portion of the spindle assembly of FIG. 26;
FIG. 30 is a perspective cross-sectional view of yet another portion of the spindle assembly of FIG. 26;
FIG. 31 is a perspective cross-sectional view of yet another portion of the spindle assembly of FIG. 26;
fig. 32 is a schematic perspective view of a folded state of the electronic device in fig. 1;
fig. 33 is a cross-sectional view of the electronic device in fig. 32.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
Furthermore, the following description of the embodiments refers to the accompanying drawings, which illustrate specific embodiments that can be used to practice the present application. Directional terms referred to in this application, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", etc., are merely directions referring to the attached drawings, and thus, directional terms are used for better, more clear description and understanding of the present application, rather than indicating or implying that the apparatus or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "disposed on … …" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1 to 7, an electronic device 100 according to an embodiment of the invention includes a foldable housing 20 and a flexible member 30 disposed on the foldable housing 20. The flexible member 30 may be flexible components with corresponding functions such as a flexible display screen, a flexible touch display screen, or flexible components fixedly attached with a flexible support plate, such as a flexible display screen attached with a flexible steel plate, a flexible touch screen, and the like. The folding housing 20 includes two frames 21 and a rotating shaft assembly 22 connected between the two frames 21. The flexible member 30 is provided with a bendable region 31 corresponding to the shaft assembly 22, and two non-bendable regions 33 connected to opposite sides of the bendable region 31. The two non-bending areas 33 of the flexible member 30 can be fixed on the front surfaces of the two frames 21 respectively, and the bendable areas 31 are attached to the front surfaces of the rotating shaft assemblies 22. The shaft assembly 22 is used to support the bendable region 31 of the flexible member 30, and the flexible member 30 bends or flattens with the shaft assembly 22. The rotating shaft assembly 22 comprises a supporting mechanism 23, a positioning seat 24 and a rotating mechanism 25 arranged between the supporting mechanism 23 and the positioning seat 24, wherein the supporting mechanism 23 comprises a middle supporting member 231 and side supporting members 233 arranged on two opposite sides of the middle supporting member 231, and the flexible member 30 is attached to the middle supporting member 231 and the side supporting members 233. A rotating mechanism 25 is arranged between each side supporting piece 233 and the positioning seat 24; the rotating mechanism 25 includes 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 seat 24, one side of the side supporting member 233 away from the positioning seat 24 is rotatably connected to the corresponding connecting member 253, and one side of each side supporting member 233 close to the positioning seat 24 is rotatably and slidably connected to the positioning seat 24; the rotating member 251 rotates relative to the positioning seat 24, and the connecting member 253 rotates relative to the positioning seat 24 along with the rotating member 251 to drive the corresponding side supporting members 233 to rotate and slide relative to the positioning seat 24, so that the two side supporting members 233 can be mutually bent or mutually unfolded. The two frame bodies 21 are respectively connected to the connecting pieces 253 on two opposite sides of the rotating shaft assembly 22, the frame bodies 21 drive the rotating piece 251 to rotate relative to the positioning seat 24, the two side supporting pieces 233 are bent or unfolded along with the connecting pieces 253, the flexible piece 30 is bent or flattened along with the supporting mechanism 23, and the bendable area 31 can be bent to form a U shape or a water drop shape or other shapes. In this embodiment, the bendable region 31 can be bent into a drop shape.
In this embodiment, the front surface refers to the surface facing the light emitting surface of the flexible member 30, and the back surface refers to the surface 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 television, a smart watch, a VR head mounted display, a vehicle mounted display, and any other product or component having a display function. "connected" in the description of the embodiments of the present invention is intended to include both direct connection and indirect connection, such as where the a and B connections include direct connection of a and B or other connection through a third element C or more. The connection also comprises two cases of integrated connection and non-integrated connection, wherein the integrated connection means that A and B are integrally formed and connected, and the non-integrated connection means that A and B are non-integrally formed and connected.
The rotating shaft assembly 22 of the electronic device 100 of the present invention includes a supporting mechanism 23, a positioning seat 24, and a rotating mechanism 25 disposed between the supporting mechanism 23 and the positioning seat 24, wherein the rotating mechanism 25 includes a rotating member 251 and a connecting member 253 connected to the rotating member 251, one end of the rotating member 251 away from the connecting member 253 is rotatably connected to the positioning seat 24, one side of the side supporting member 233 away from the positioning seat 24 is rotatably connected to the corresponding connecting member 253, and one side of the side supporting member 233 close to the positioning seat 24 is rotatably and slidably connected to the positioning seat 24. The two frames 21 are folded close to each other or unfolded away from each other, the rotating member 251 is driven to rotate relative to the positioning seat 24, the connecting member 253 rotates relative to the positioning seat 24 along with the corresponding rotating member 251, and the connecting member 253 drives the two side supporting members 233 to fold or unfold each other, so that folding or unfolding of the flexible member 30 is achieved. Because the rotating shaft assembly 22 can be folded or flattened through the supporting mechanism 23 and the rotating mechanism 25 without a hinge mechanism, the rotating shaft assembly 22 has the advantages of simple structure, less parts, lower manufacturing cost, high connection reliability among all parts and improved strength of the whole machine.
As shown in fig. 8-9, the rotating shaft assembly 22 in the present embodiment includes two positioning seats 24, two opposite sides of each positioning seat 24 are respectively provided with a rotating mechanism 25, and each rotating mechanism 25 is disposed between the corresponding positioning seat 24 and the side supporting piece 233. One end of the rotating member 251 away from the connecting member 253 is rotatably connected to the corresponding positioning seat 24, the connecting member 253 is rotatably connected to the corresponding side supporting member 233, and one side of the side supporting member 233 close to the middle supporting member 231 (i.e., one side of the side supporting member 233 away from the connecting member 253) is movably connected to the positioning seat 24. The rotating member 251 rotates relative to the positioning seat 24, and the connecting member 253 rotates relative to the positioning seat 24 along with the rotating member 251, and the connecting member 253 drives the corresponding side supporting member 233 to slide and rotate relative to the positioning seat 24, so that the two side supporting members 233 approach each other or separate from each other, and bending or flattening of the supporting mechanism 23 is realized.
In some embodiments, the rotating shaft assembly 22 may also include only 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 supporting mechanism 23, and the two rotating mechanisms 25 are respectively connected between the two side supporting members 233 of the supporting mechanism 23 and the positioning seat 24, that is, the rotating member 251 of each rotating mechanism 25 is rotatably connected to the positioning seat 24, the connecting member 253 is rotatably connected to the corresponding side supporting member 233, and one side of each side supporting member 233 close to the positioning seat 24 is rotatably and slidably connected to the positioning seat 24.
In some embodiments, the rotating shaft assembly 22 may include three or more positioning seats 24, and each of the positioning seats 24 is provided with a rotating mechanism 25 on two opposite sides thereof, and the rotating mechanism 25 is disposed between the side supporting member 233 of the supporting mechanism 23 and the positioning seat 24.
As shown in fig. 1 to 5, the connecting pieces 253 on two opposite sides of the rotating shaft assembly 22 are respectively and fixedly connected to the two frames 21, the two frames 21 are folded or flattened relatively, and can drive the corresponding rotating piece 251 to rotate relative to the positioning seat 24, and the connecting pieces 253 rotate relative to the positioning seat 24 along with the rotating piece 251, so that the connecting pieces 253 drive the corresponding side supporting pieces 233 to rotate and slide relative to the positioning seat 24 until the two side supporting pieces 233 and the middle supporting piece 231 are folded into a water drop shape or unfolded into a horizontal shape; the bendable region 31 of the flexible member 30 is folded into a drop shape or unfolded into a horizontal shape with the side support 233. Specifically, the frame 21 includes a front 211, a back 213, opposite side 214 and two end 215, the rotating shaft assembly 22 is connected between the two end 215 of the two frames 21, and the non-bending region 33 of the flexible member 30 is connected to the front 211 of the frame 21; the end surface 215 of each frame 21 facing the rotating shaft assembly 22 is provided with a receiving groove 216, the receiving groove 216 penetrates through the front surface 211 of the frame 21, and two opposite ends of the receiving groove 216 extend to be close to two opposite side surfaces 214 of the frame 21. A plurality of connecting holes 217 are formed in the bottom surface of the receiving groove 216 of the frame 21, and each connecting hole 217 penetrates through the back surface 213 of the frame 21. The frame 21 is provided with a plurality of accommodating spaces (not shown) for mounting electronic devices such as a circuit board, a battery and the like; the back surface 213 of the frame 21 is also covered with a back cover (not shown).
Referring to fig. 8 and 9, the middle support member 231 is a bar, and includes a front surface 2311 and a back surface 2312 facing away from the front surface 2311, wherein the opposite ends of the back surface 2312 of the middle support member 231 are respectively provided with a connecting post 2313 and a guiding rod 2315, the connecting post 2313 and the guiding rod 2315 at the end of the middle support member 231 are arranged at intervals, and the connecting post 2313 and the guiding rod 2315 extend along the length direction perpendicular to the middle support member 231. In this embodiment, the sliding guide bar 2315 is closer to the end of the middle support 231 than the adjacent connecting posts 2313; the connection post 2313 is provided with a connection hole 2314 in an axial direction thereof. Two opposite sides of the middle supporting piece 231 are respectively provided with a lug 2316, and when the supporting mechanism 23 is in a flattened state, the two lugs 2316 respectively abut against the front surfaces of the two side supporting pieces 233; in this embodiment, two opposite sides of the middle part of the middle support 231 are respectively protruded with lugs 2316. The opposite sides of the middle supporting member 231 are respectively provided with a stop portion 2317, and preferably, the side surface of the stop portion 2317 facing away from the positioning seat 24 is provided with an arc surface; when the supporting mechanism 23 is in the flattened state, the stop portion 2317 abuts against the back surface of the corresponding side supporting piece 233. In this embodiment, two opposite sides of each end of the middle supporting member 231 are respectively provided with a stop portion 2317; specifically, each stop 2317 is a stop block protruding from the middle support 231, and preferably, the top surface of each stop 2317 is provided with an arc surface. Opposite sides of the back surface 2312 of the middle supporting member 231, which are close to the end parts of each guide sliding rod 2315, are respectively provided with a propping groove 2318; preferably, the inner surface of the middle support 231 at each supporting groove 2318 is arc-shaped.
The side support member 233 is rectangular and comprises a front surface 2331 and a back surface 2332 facing away from the front surface 2331, one side of the side support member 233, which is close to the positioning seat 24, is provided with a sliding guide portion 2333, one end of the sliding guide portion 2333, which is close to the middle support member 231, is provided with a pushing portion 2333a, and the sliding guide portion 2333 is provided with a sliding guide groove 2334. Specifically, opposite ends of the back surface 2332 of the side support 233, which are close to one side of the positioning seat 24, are respectively provided with protruding guide sliding portions 2333, each guide sliding portion 2333 is an arc-shaped block, one end of the arc-shaped block extends out of the side support 233 toward the side surface of the middle support 231 to form a pushing portion 2333a, and the outer peripheral surface of the pushing portion 2333a is formed into a circular arc-shaped driving surface 2330. The guide chute 2334 is an arc-shaped slot formed in the guide sliding portion 2333. The guide chute 2334 comprises a first positioning section 2334a close to the positioning seat 24, a second positioning section 2334b far away from the positioning seat 24, and a guide sliding section 2334c positioned between the first positioning section 2334a and the second positioning section 2334 b; the first positioning section 2334a, the sliding guiding section 2334c and the second positioning section 2334b are mutually communicated. In this embodiment, the middle portion of the guide section 2334c of each guide chute 2334 is curved toward the front side away from the side support 233.
The side support member 233 is provided with a first circular arc rail 2335, specifically, a side of the back surface 2332 of the side support member 233 away from the sliding guide portion 2333 is provided with a plurality of first circular arc rails 2335, the first circular arc rails 2335 are rotatably connected to the connecting member 253, and the sliding guide portion 2333 and the first circular arc rails 2335 are respectively located at two opposite sides of the side support member 233. Each first circular arc rail 2335 is connected to the back surface 2332 of the side support 233 by a connection piece 2336, and the first circular arc rail 2335 is bent from the side support 233 to a side away from the guide slide portion 2333. In this embodiment, the back surface 2332 of the side support 233 is provided with three first circular arc rails 2335, wherein two first circular arc rails 2335 are respectively connected to opposite ends of the side support 233 through connection pieces 2336, and the other first circular arc rail 2335 is connected to the middle of the side support 233 through connection pieces 2336. In other embodiments, the tab 2336 on each first arcuate rail 2335 may be omitted. The front surface of each side support 233 is provided with a abutment portion 2337 corresponding to the lug 2316, and when the middle support 231 and the two side supports 233 are in the flattened state, the lug 2316 abuts against the corresponding abutment portion 2337. In this embodiment, the middle portion of the front surface of each side support member 233 near one side of the middle support member 231 is provided with a propping portion 2337, specifically, the propping portion 2337 is a propping groove provided on the side support member 233. The opposite ends of the back surface 2332 of the side support member 233 near one side of the middle support member 231 are respectively provided with a stop groove 2338, each stop groove 2338 corresponds to a corresponding stop portion 2317 on the middle support member 231, and each stop groove 2338 is near a corresponding slide guiding portion 2333. Preferably, the inner surface of the stop groove 2338 is arcuate. When the middle supporting member 231 and the two side supporting members 233 are in the flattened state, the lugs 2316 are positioned in the corresponding propping grooves, the driving surfaces 2330 of the side supporting members 233 prop against the inner surfaces of the corresponding propping grooves 2318 on the middle supporting member 231, and the front surfaces of the stopping portions 2317 prop against the inner surfaces of the corresponding stopping grooves 2338; so that the front face of the middle support 231 and the front face of the side support 233 are coplanar. Preferably, the back surface of the stopper 2317 is provided as an arc surface.
Referring to fig. 6-9, the side supporting member 233 and the connecting member 253 are rotatably connected by the circular arc groove and the circular arc rail, and the rotating member 251 and the corresponding positioning seat 24 are also rotatably connected by the circular arc groove and the circular arc rail. The rotation axis between the side support 233 and the connector 253 is a virtual axis, and the rotation axis between the rotator 251 and the positioning seat 24 is a virtual axis; the axes of the 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 supporting piece 233, the first arc rail 2335 is rotatably inserted into the first arc groove 2530, and the first arc rail 2335 can rotate along the first arc groove 2530, so that the connecting piece 253 and the side supporting piece 233 relatively rotate along the first arc groove 2530, and the axis of the first arc groove 2530 and the axis of the first arc rail 2335 are collinear with the axis of rotation between the side supporting piece 233 and the connecting piece 253.
In other embodiments, the side supporting piece 233 may be provided with a first circular arc groove, the connecting piece 253 is provided with a first circular arc rail corresponding to the first circular arc groove, and the first circular arc rail is rotatably inserted into the first circular arc groove, so that the connecting piece 253 and the side supporting piece 233 relatively rotate along the first circular arc groove, and an axis of the first circular arc groove and an axis of the first circular arc rail are collinear with a rotation axis between the side supporting piece 233 and the connecting piece 253.
As shown in fig. 8, the positioning seat 24 is provided with a second circular arc rail 240, the rotating member 251 is provided with a second circular arc groove 2510 corresponding to the second circular arc rail 240, and the second circular arc rail 240 is rotatably inserted into the second circular arc groove 2510, so that the rotating member 251 rotates relative to the positioning seat 24 along the second circular arc rail 240, and the axis of the second circular arc rail 240 and the axis of the second circular arc groove 2510 are collinear with the rotation axis between the rotating member 251 and the positioning seat 24. In this embodiment, the positioning seat 24 is provided with a switching groove 241, the switching groove 241 penetrates through the front surface of the positioning seat 24, the second circular arc rail 240 is convexly arranged on the inner side surface of the switching groove 241, and the second circular arc groove 2510 is correspondingly arranged on the side surface of the rotating member 251 with respect to the second circular arc rail 240.
In some embodiments, a second circular arc groove may be disposed 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, where the second circular arc rail is rotatably inserted into the second circular arc groove, so that the rotating member 251 rotates relative to the positioning seat 24 along the second circular arc groove, and an axis of the second circular arc groove and an axis of the second circular arc rail are collinear with a rotation axis between the rotating member 251 and the positioning seat 24. Specifically, the side of the positioning seat 24 is provided with a switching groove 241, the inner side surface of the switching groove 241 is provided with a second arc groove, the side surface of the rotating member 251 is convexly provided with a second arc rail, and the second arc rail corresponds to the second arc groove, i.e. the second arc rail is rotatably inserted into the second arc groove, so that the rotating member 251 and the positioning seat 24 relatively rotate along the second arc groove; the axis of the second circular arc groove, the axis of the second circular arc rail, 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 arc rail 240 protruding on one inner side surface of the switching groove 241, and the rotating member 251 is provided with a second arc groove 2510 corresponding to the second arc rail 240; when the rotation portion 2511 is inserted into the transfer groove 241, the second circular arc rail 240 is inserted into the second circular arc groove 2510.
In some embodiments, the side surface of the transfer slot 241 of the positioning seat 24 is provided with a second circular arc slot, and the side surface of the rotating member 251 is convexly provided with a second circular arc rail corresponding to the second circular arc slot. Specifically, one side of the transfer slot 241 is provided with a second arc slot, the side of the rotating portion 2511 corresponding to the second arc slot is convexly provided with a second arc rail, when the rotating portion 2511 is inserted into the transfer slot 241, the second arc rail is inserted into the second arc slot, and the second arc rail can rotate along the first arc slot.
Referring to fig. 8-11, in the present embodiment, the positioning seat 24 is a rectangular block, and includes a back surface 242 with a circular arc cross section and a front surface 245 facing away from the back surface 242, wherein a receiving groove 243 is formed in a middle portion of the front surface 245 of the positioning seat 24, and the receiving groove 243 extends along a length direction of the positioning seat 24 and penetrates through opposite end surfaces of the positioning seat 24; the receiving groove 243 receives the middle support 231. The two opposite sides of the positioning seat 24 are respectively provided with a transfer groove 241, the two transfer grooves 241 are staggered in the length direction of the positioning seat 24, each transfer groove 241 penetrates through the front surface 245, and the transfer grooves 241 are communicated with the containing grooves 243; one end of the rotating member 251 remote from the connecting member 253 is movably accommodated in the transferring groove 241. The positioning seat 24 is provided with a pair of second circular arc rails 240 protruding from two opposite inner side surfaces of the adapting groove 241, and an opening of the second circular arc rail 240 is bent towards the front surface 245, that is, a middle part of the second circular arc rail 240 is bent towards one side of the back surface 242. The slide guiding portion 2333 of the positioning seat 24 corresponding to the side supporting member 233 is provided with a avoiding groove 246, specifically, the avoiding groove 246 is located at one end of the front surface 245 of the positioning seat 24, and two opposite ends of the avoiding groove 246 respectively penetrate through two opposite side surfaces of the positioning seat 24. The clearance groove 246 is used for accommodating the slide guide portion 2333 of the side support 233. Specifically, the sliding guide portion 2333 is connected to the positioning seat 24 through the connecting shaft 2401, and further, the sliding guide portion 2333 is movably accommodated in the avoidance groove 246, and the connecting shaft 2401 is inserted into the sliding guide groove 2334 of the sliding guide portion 2333 and positioned in the positioning seat 24; that is, after the sliding guide portion 2333 is accommodated in the avoidance groove 246, the middle portion of the connecting shaft 2401 movably penetrates through the sliding guide groove 2334, and two opposite ends of the connecting shaft 2401 respectively extend out of the sliding guide groove 2334 and are connected to the positioning seat 24.
In this embodiment, a pair of positioning pieces 2461 are respectively disposed at two opposite ends of the positioning seat 24 opposite to the avoidance slot 246, each pair of positioning pieces 2461 is respectively disposed at two opposite sides of the avoidance slot 246, and each pair of positioning pieces 2461 is used for connecting with a connecting shaft 2401. Specifically, each pair of positioning plates 2461 is provided with a connecting hole 2463, each connecting hole 2463 penetrates through the space avoiding groove 246, and opposite ends of the connecting shaft 2401 are respectively connected to the connecting holes 2463 of the pair of positioning plates 2461. Preferably, each positioning plate 2461 is a circular plate, the connecting hole 2463 is formed at the center of the circular plate, and the connecting hole 2463 extends along a direction parallel to the axis of the second circular arc rail 240.
The side of the positioning seat 24 facing away from the middle supporting member 231 is provided with a mounting groove 2421, specifically, the mounting groove 2421 is located between the two adapting grooves 241 of the back surface 242 of the positioning seat 24, and the mounting groove 2421 extends along the width direction of the positioning seat 24. The middle part of the installation groove 2421 is communicated with the containing groove 243 to form a through hole 2423, and two opposite ends of the installation groove 2421 do not penetrate through the front surface 245 of the positioning seat 24. The positioning seat 24 is provided with a slide guiding column 2425 protruding towards the mounting groove 2421 along the moving direction of the middle supporting piece 231; in the present embodiment, the bottom surfaces of the opposite ends of the positioning seat 24 in the mounting groove 2421 are respectively provided with a sliding guide post 2425 along the thickness direction of the positioning seat 24.
The positioning seat 24 is provided with a sliding guide hole 2455 corresponding to the sliding guide rod 2315 of the middle support 231, the sliding guide hole 2455 penetrates through the positioning seat 24 along the direction perpendicular to the front surface 245 of the positioning seat 24, and the sliding guide rod 2315 slidably penetrates through the sliding guide hole 2455. In this embodiment, the sliding guide hole 2455 is located in the middle of the end of the positioning seat 24 near the avoidance slot 246. Specifically, the middle part of the end surface of the positioning seat 24 near one end of the avoidance groove 246 is provided with a slide guiding cylinder 2454, and the inner cavity of the slide guiding cylinder 2454 is the slide guiding hole 2455.
In other embodiments, the positioning seat 24 is provided with a guiding sliding rod along the moving direction of the middle supporting member 231, and the middle supporting member 231 is provided with a guiding sliding hole corresponding to the guiding sliding rod. Specifically, one end of the positioning seat 24 extends vertically to the direction of the middle support 231, the back of the middle support 231 is provided with a guiding slide cylinder corresponding to the guiding slide rod, the inner cavity of the guiding slide cylinder is a guiding slide hole, and the guiding slide rod is slidably inserted into the guiding slide hole.
In other embodiments, the positioning seat 24 may be, but is not limited to, a bar block, an oval block, a kidney block, or the like.
Referring to fig. 8-9 and fig. 12-13, an end of the rotating member 251 of the rotating shaft assembly 22, which is far away from the positioning seat, is detachably connected to the connecting member 253 by clamping, screwing or gluing. Specifically, the rotation member 251 includes a rotation portion 2511, a fixing portion 2512, and a connection portion 2513 connected between the rotation portion 2511 and the fixing portion 2512; the rotating portion 2511 is configured to be rotatably connected to the positioning seat 24, and the fixing portion 2512 is configured to be detachably connected to the connecting member 253. The rotation portion 2511 is a circular arc block, and the circular arc block includes two opposite side surfaces 2514, and the two side surfaces 2514 are provided with a pair of second circular arc grooves 2510. In this embodiment, the rotating member 251 and the connecting member 253 are detachably connected to one another by a clamping connection. The connection portion 2513 is an inclined bar, and opposite ends of the connection portion 2513 are connected to one end of the rotation portion 2511 and one end of the fixing portion 2512, respectively. The fixing portion 2512 is a rectangular block, a connecting hole 2515 is formed in the middle of the fixing portion 2512, and clamping grooves 2516 are formed in two opposite sides of the fixing portion 2512, which are opposite to the rotating member 251.
In this embodiment, the connecting member 253 is a rectangular rod, at least one end surface of the connecting member 253 is provided with a first arc groove 2530, one end of the first arc groove 2530 penetrates through the front surface 2531 of the connecting member 253, and the opposite end penetrates through the side surface of the connecting member 253 facing away from the positioning seat 24. The rotating member 251 is detachably connected to the connecting member 253, specifically, a front surface 2531 of the connecting member 253 is provided with a positioning groove 2532, and two opposite ends of the positioning groove 2532 respectively penetrate through two opposite side surfaces of the connecting member 253; the positioning groove 2532 is used for positioning the fixing portion 2512. The connecting piece 253 has two opposite inner side surfaces of the positioning groove 2532 respectively protruding the clamping bars 2533, and the two clamping bars 2533 respectively correspond to the two clamping grooves 2516 of the fixing part 2512. The back of the connecting piece 253 is provided with a countersunk hole 2534, and the countersunk hole 2534 penetrates through the positioning groove 2532. The rear surface of the connection member 253 is provided with a connection hole 2535, specifically, opposite ends of the rear surface of the connection member 253 are respectively provided with a connection hole 2535. The opposite ends of the back of the connecting piece 253 are respectively provided with a positioning column 2536 in a protruding mode. The front side 2531 of the connecting member 253 is provided with a plurality of clearance grooves 2537, and the clearance grooves 2537 are used for avoiding a plurality of protruding parts on the back side of the side supporting part 233.
It should be noted that, in the present application, the two connecting members 253 on each positioning seat 24 have the same structure except for the different connection positions corresponding to the two rotating members 251 and the different number and positions of the avoidance grooves on the two connecting members 253. In one embodiment, the rotating member 251 of one rotating mechanism 25 on the positioning seat 24 is detachably connected to the middle portion of the corresponding connecting member 253, and the other rotating member 251 is detachably connected to the end portion of the corresponding connecting member 253.
As shown in fig. 12 and 13, when the rotation mechanism 25 is assembled, the fixing portion 2512 of the rotation member 251 is inserted into the positioning groove 2532 of the connection member 253, and the two locking strips 2533 of the connection member 253 are respectively locked into the two locking grooves 2516 of the fixing portion 2512, so that the rotation member 251 and the connection member 253 are detachably connected together.
As shown in fig. 8 and 9, the rotating shaft assembly 22 further includes a locking mechanism 26, where the locking mechanism 26 is used for connecting the middle support 231 to the positioning seat 24, specifically, the locking mechanism 26 includes an elastic member 261, a locking member 263 and a mounting member 265, the elastic member 261 is disposed on the positioning seat 24, and the elastic member 261 is preset with an elastic force for driving the middle support 231 to approach the positioning seat 24. The locking piece 263 is used for connecting the middle supporting piece 231 and the positioning seat 24; the mounting member 265 is used for positioning the elastic member 261 on the positioning seat 24, i.e. the elastic member 261 is disposed between the mounting member 265 and the positioning seat 24 in a pre-compressed state, and the locking member 263 connects the mounting member 265 to the positioning seat 24. In this embodiment, a locking mechanism 26 is disposed between each positioning seat 24 and the middle supporting member 231, the elastic member 261 is a spring, the locking member 263 is a screw, the mounting member 265 is a positioning plate, the middle portion of the positioning plate is provided with a through hole 2650, the through hole 2650 is used for the screw to pass through, two opposite ends of the positioning plate are respectively provided with a positioning hole 2652, and each positioning hole 2652 is used for positioning the elastic member 261.
Referring to fig. 6-18, when the rotating shaft assembly 22 is assembled, the rotating portions 2511 of the two rotating members 251 are respectively inserted into the corresponding transferring grooves 241 of the positioning seat 24, and the two second arc rails 240 in each transferring groove 241 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, and the two connecting members 253 can be mutually folded or mutually flattened. When the two connectors 253 are mutually flattened, the end part of the rotating part 2511 of the rotating part 251, which is away from the connectors 253, extends out of the switching groove 241 and is positioned in the accommodating groove 243; when the two connection pieces 253 are folded with each other, the end of the rotation portion 2511 of the rotation piece 251 facing away from the connection piece 253 is accommodated in the switching groove 241. The front sides 245 of the two positioning seats 24 are respectively placed on the back sides 2312 of the middle supporting member 231, so that the two connecting posts 2313 of the middle supporting member 231 are respectively inserted into the mounting grooves 2421 of the two positioning seats 24, and the two slide guiding bars 2315 are respectively slidably inserted into the slide guiding holes 2455 of the two positioning seats 24, so that the middle supporting member 231 is accommodated in the accommodating groove 243 of the positioning seat 24; positioning one end of the elastic member 261 in the positioning hole 2652 of the mounting member 265, and then placing the mounting member 265 and the elastic member 261 in the mounting groove 2421 of the positioning seat 24, so that the slide guiding column 2425 penetrates through the corresponding elastic member 261 and the positioning hole 2652; the locking member 263 is locked to the connection hole 2314 of the middle support 231 through the through hole 2450 of the mounting member 265, and the mounting member 265 is fixedly connected to the middle support 231, so that the elastic member 261 is pressed by the positioning seat 24 and the mounting member 265 to have an elastic force for pulling the middle support 231 to move toward the positioning seat 24. At this time, the middle supporting member 231 is accommodated in the accommodating groove 243 of the positioning seat 24. Two side supporting pieces 233 are placed on two opposite sides of the middle supporting piece 231, two sliding guide portions 2333 of each side supporting piece 233 are respectively inserted into the avoiding grooves 246 of the two positioning seats 24, the connecting shafts 2401 are inserted into the sliding guide grooves 2334 of the corresponding sliding guide portions 2333, and two opposite ends of the connecting shafts 2401 are connected to the connecting holes 2463; the first circular arc rail 2335 of each side support 233 is inserted into the first circular arc groove 2530 of the corresponding connection 253, respectively.
As shown in fig. 8-9 and fig. 16 and 18, when the side support 233 and the middle support 231 are in the flattened state, the end of the rotating member 251 away from the connecting member 253 abuts against the middle support 231, the abutting portion 2333a of the sliding guide portion 2333 abuts against the inner surface of the abutting groove 2318 corresponding to the middle support 231, the stop portions 2317 on opposite sides of the middle support 231 abut against the back surfaces of the two side supports 233 respectively, that is, the stop portions 2317 abut against the inner surfaces of the corresponding stop grooves 2338, and the lugs 2316 on opposite sides of the middle support 231 abut against the abutting portions 2337 of the two side supports 233 respectively, so that the side support 233 and the middle support 231 are side by side, and the front surface of the side support 233 is coplanar with the front surface of the middle support 231.
At this time, the rotation axis between the rotation member 251 and the positioning seat 24 is parallel to the rotation axis between the side support 233 and the connection member 253; and the rotation axis between the rotation member 251 and the positioning seat 24 is closer to the positioning seat 24 than the rotation axis between the side support 233 and the connection member 253. The axis of the connecting shaft 2401 is parallel to the axis of rotation between the rotating member 251 and the positioning seat 24. When the rotating member 251 rotates relative to the positioning seat 24, the connecting member 253 rotates relative to the positioning seat 24 along with the corresponding rotating member 251, and the connecting member 253 drives the corresponding side supporting member 233 to rotate and slide relative to the positioning seat 24, so that the side supporting member 233 and the middle supporting member 231 are bent or unfolded.
As shown in fig. 19-31, when the rotating shaft assembly 22 is bent from the flattened state, the two rotating mechanisms 25 on two opposite sides of the positioning seat 24 are bent towards the direction of approaching each other at the same time, so that the second circular arc groove 2510 of the rotating member 251 and the second circular arc rail 240 of the positioning seat 24 rotate relatively to drive the corresponding connecting member 253 to rotate relative to the positioning seat 24 to approach each other, and the connecting member 253 drives the first circular arc rail 2335 of the corresponding side supporting member 233 to rotationally connect to the corresponding first circular arc groove 2530; since the sliding guide portion 2333 is slidably and rotatably sleeved on the connecting shaft 2401, the sliding guide portion 2333 of the side support member 233 slides in the corresponding avoidance groove 246, so that the two side support members 233 are close to each other, and the middle support member 231 is driven by the elastic force of the elastic member 261 to move toward the positioning seat 24 until the two side support members 233 and the middle support member 231 enclose a cross section into a water drop shape. When the two rotating mechanisms 25 on the positioning seat 24 rotate 90 degrees relative to the positioning seat 24, the rotation angles of the two side supporting members 233 relative to the positioning seat 24 are greater than 90 degrees, so that a receiving space with a water drop-shaped cross section is defined between the two side supporting members 233 and the middle supporting member 231, and the receiving space is used for receiving the bendable region 31 of the flexible member 30.
In the process of bending the two side supporting members 233, the end portion of the rotating member 251 away from the corresponding connecting member 253 moves away from the middle supporting member 231 and gradually breaks away from the abutment of the back surface 2312 of the middle supporting member 231, the middle supporting member 231 moves towards 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 supporting member 231 to move towards the positioning seat 24, the sliding guide rod 2315 of the middle supporting member 231 slides along the inner cavity of the corresponding sliding guide cylinder 2454, the driving surface 2330 of the sliding guide portion 2333 gradually breaks away from the abutment with the inner surface of the corresponding abutment groove 2318, the stop portion 2317 gradually breaks away from the abutment with the inner surface of the corresponding stop groove 2338, and the lug 2316 of the middle supporting member 231 gradually breaks away from the abutment with the corresponding abutment portion 2337 until the middle supporting member 231 is accommodated in the accommodating 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 far away from the middle supporting member 231, the middle supporting member 231 is accommodated in the accommodating groove 243 of the positioning seat 24, the elastic member 261 is reset, the driving surface 2330 of the guiding sliding portion 2333 is separated from the supporting groove 2318, the stopping portion 2317 is separated from the supporting of the side supporting member 233, the lug 2316 is separated from the supporting of the supporting portion 2337, and the connecting shaft 2401 is located at the first positioning section 2334a after passing through the guiding sliding section 2334 c.
In other bending modes of the opposite rotating shaft assembly 22, one rotating mechanism 25 of the positioning seat 24 is bent towards the other rotating mechanism 25, so that the second arc-shaped groove 2510 of the rotating piece 251 of one rotating mechanism 25 and the second arc-shaped rail 240 of the positioning seat 24 rotate relatively to drive the connecting piece 253 of one rotating mechanism 25 to rotate relative to the positioning seat 24 and to approach the other rotating mechanism 25, and the connecting piece 253 drives the first arc-shaped rail 2335 of the corresponding side supporting piece 233 to be connected with the corresponding first arc-shaped groove 2530 in a rotating manner; since the guide sliding portion 2333 is slidably and rotatably sleeved on the corresponding connection shaft 2401, the guide sliding portion 2333 of the side supporting member 233 slides in the corresponding avoidance groove 246; the other rotating mechanism 25 of the positioning seat 24 is bent towards the rotating mechanism 25 thereof, so that the second arc-shaped groove 2510 of the rotating member 251 of the other rotating mechanism 25 and the second arc-shaped rail 240 of the positioning seat 24 rotate relatively to drive the connecting member 253 of the other rotating mechanism 25 to rotate relative to the positioning seat and approach towards one rotating mechanism 25, and the connecting member 253 drives the first arc-shaped rail 2335 of the corresponding side supporting member 233 to be rotationally connected with the corresponding first arc-shaped groove 2530; since the sliding guide portion 2333 is slidably and rotatably sleeved on the corresponding connection shaft 2401, the sliding guide portion 2333 of the side support member 233 slides in the corresponding avoidance groove 246, so that the two side support members 233 are close to each other until the two side support members 233 and the middle support member 231 enclose a cross section into a water drop shape.
When the rotating shaft assembly 22 is unfolded from the bending state, the two rotating mechanisms 25 opposite to the positioning seat 24 are mutually far away from each other and unfolded, and the second circular arc groove 2510 of the rotating member 251 and the second circular arc rail 240 of the positioning seat 24 are relatively rotated so as to drive the corresponding connecting member 253 to rotate relative to the positioning seat 24, and the connecting member 253 drives the first circular arc rail 2335 of the side supporting member 233 to be rotationally connected with the corresponding first circular arc groove 2530; since the guide sliding portion 2333 is slidably and rotatably sleeved on the connecting shaft 2401, the guide sliding portion 2333 of the side supporting member 233 slides in the corresponding avoidance groove 246; the two side supports 233 are moved away from each other until the two side supports 233 and the middle support 231 are flattened.
In the process of the two side support pieces 233 being mutually unfolded, the end parts of the rotating pieces 251, which are far away from the corresponding connecting pieces 253, are close to the middle support pieces 231 and gradually push against the back surfaces 2312 of the middle support pieces 231, so that the middle support pieces 231 are far away from the positioning seats 24 to move until the middle support pieces 231 and the side support pieces 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 supporting member 231, so that the middle supporting member 231 moves out of the receiving groove 243 of the positioning seat 24, the elastic member 261 is elastically deformed, the stop portion 2317 abuts against the back surface of the side supporting member 233, the lug 2316 abuts against the corresponding abutting portion 2337, and the connecting shaft 2401 is located at the second positioning section 2334b after passing through the guiding sliding section 2334 c. That is, when the connection shaft 2401 is located at the first positioning section 2334a, the two side supports 233 are bent toward each other; when the connecting shaft 2401 is positioned at the second positioning section 2334b, the two side supports 233 are flattened against each other.
In the process of flattening the two side support pieces 233 each other, the end portions of the rotating pieces 251 away from the corresponding connecting pieces 253 gradually push against the middle support pieces 231 so that the middle support pieces 231 gradually move out of the receiving grooves 243; the elastic member 261 is gradually elastically deformed, the sliding guide rod 2315 of the middle support 231 slides along the inner cavity of the corresponding sliding guide cylinder 2454, the driving surface 2330 of the sliding guide portion 2333 gradually pushes against the inner surface of the corresponding pushing groove 2318, the stop portion 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 pushing portion 2337 until the middle support 231 and the two side supports 233 are flattened mutually. At this time, the end of the rotating member 251 away from the corresponding connecting member 253 abuts against the middle supporting member 231, the middle supporting member 231 is located outside the receiving groove 243 of the positioning seat 24, the elastic member 261 is elastically deformed, the driving surface 2330 of the guiding sliding portion 2333 abuts against the inner surface of the groove 2318, the stop portion 2317 abuts against the inner surface of the stop groove 2338, the lug 2316 abuts against the abutment portion 2337, and the connecting shaft 2401 is located in the second positioning section 2334b after passing through the guiding sliding section 2334 c.
In other unfolding modes of the opposite rotating shaft assembly 22, one rotating mechanism 25 of the positioning seat 24 is unfolded away from the other rotating mechanism 25, so that the second arc-shaped groove 2510 of the rotating piece 251 of one rotating mechanism 25 and the second arc-shaped rail 240 of the positioning seat 24 rotate relatively to drive the connecting piece 253 of one rotating mechanism 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 arc-shaped rail 2335 of the corresponding side supporting piece 233 to be connected with the corresponding first arc-shaped groove 2530 in a rotating manner; since the guide sliding portion 2333 is slidably and rotatably sleeved on the corresponding connection shaft 2401, the guide sliding portion 2333 of the side supporting member 233 slides in the corresponding avoidance groove 246; the other rotating mechanism 25 of the positioning seat 24 is far away from the rotating mechanism 25 to be flattened, so that the second arc-shaped groove 2510 of the rotating piece 251 of the other rotating mechanism 25 and the second arc-shaped rail 240 of the positioning seat 24 rotate relatively to drive the connecting piece 253 of the other rotating mechanism 25 to rotate relative to the positioning seat and far away from one rotating mechanism 25, and the connecting piece 253 drives the first arc-shaped rail 2335 of the corresponding side supporting piece 233 to be connected with the corresponding first arc-shaped groove 2530 in a rotating way; since the sliding guide portion 2333 is slidably and rotatably sleeved on the corresponding connection shaft 2401, the sliding guide portion 2333 of the side support member 233 slides in the corresponding avoidance groove 246, so that the two side support members 233 are far away from each other until the two side support members 233 and the middle support member 231 are flattened.
When the electronic device 100 is assembled, the assembled rotating shaft assembly 22 is placed between the two frames 21, the connecting pieces 253 on two opposite sides of the rotating shaft assembly 22 are respectively accommodated in the accommodating grooves 216 of the two frames 21, the connecting holes 2535 of the connecting pieces 253 are respectively opposite to the connecting holes 217 of the frames 21, and the positioning posts 2536 of the connecting pieces 253 are clamped in the clamping holes (not shown) of the frames 21; the locking members, such as screws, are respectively inserted through the connecting holes 217 and locked in the corresponding connecting holes 2535, so that the two frames 21 are respectively and fixedly connected to the corresponding connecting pieces 253. At this time, the front faces of the two frames 21, the front faces of the two side supports 233, and the front faces of the middle support 231 are coplanar. The back surface of the flexible member 30 is connected to the front surfaces 211 of the two frames 21 and the front surface of the supporting mechanism 23, the bendable region 31 faces the supporting mechanism 23, and the two non-bendable regions 33 face the front surfaces of the two frames 21, respectively. When the flexible member 30 is in the flattened state, the end of the rotation member 251 away from the connection member 253 abuts against the back surface of the middle support member 231, and the middle support member 231 is flush with the two side support members 233 to define that the support mechanism 23 is kept in the flattened state; because the front of the supporting mechanism 23 is a complete surface, the middle supporting piece 231 has no step, so that the flexible piece 30 cannot be impacted by the step when being flattened, the flexible piece 30 cannot have the adverse problems of color spots, bright spots and the like, the reliability of the flexible piece 30 is ensured, meanwhile, the touch handfeel of the flexible piece 30 is also improved, and the use experience of a user is improved.
Referring to fig. 19-33, 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 mechanism 25 connected to the two frames 21 rotates in directions adjacent to each other, thereby bending the supporting mechanism 23 of the rotating shaft assembly 22, and bending the bendable region 31 of the flexible member 30 along with the supporting mechanism 23. Specifically, if a bending force is applied to one of the frames 21, the frame 21 drives the corresponding rotating member 251 to rotate relative to the positioning seat 24 toward the side close to the flexible member 30, and the connecting member 253 rotates relative to the positioning seat 24 along with the rotating member 251, so that the connecting member 253 drives the first circular arc rail 2335 of the side support member 233 to be rotationally connected to the corresponding first circular arc groove 2530, and the sliding guide portion 2333 of the side support member 233 is slidingly and rotationally sleeved on the connecting shaft 2401, so as to drive the side support member 233 connected with the one frame 21 to approach the other frame 21; and then bending force is applied to the other frame body 21, the other frame body 21 drives the corresponding rotating piece 251 to rotate towards one side close to the flexible piece 30 relative to the positioning seat 24, the connecting piece 253 rotates relative to the positioning seat 24 along with the rotating piece 251, so that the connecting piece 253 drives the first circular arc rail 2335 of the side support piece 233 to be rotationally connected with the corresponding first circular arc groove 2530, the sliding guide part 2333 of the side support piece 233 is slidingly and rotationally sleeved on the connecting shaft 2401, so that the side support piece 233 connected with the other frame body 21 is driven to be close to the one frame body 21, and the two side support pieces 233 are mutually closed, so that the rotating shaft assembly 22 is in a bending state. The bendable region 31 of the flexible member 30 is bent along with the rotating shaft assembly 22 until the front surfaces of the two non-bending regions 33 of the flexible member 30 are mutually attached, and the bendable region 31 is bent into a water drop shape, so that seamless folding of the electronic device 100 is realized.
In the above process, the end of the rotating member 251 away from the connecting member 253 gradually releases the abutment of the centering support member 231, and the elastic force of the elastic member 261 drives the middle support member 231 to move toward the positioning seat 24 until the middle support member 231 is accommodated in the accommodating groove 243, so as to increase the space for accommodating the bendable region 31, and avoid the middle support member 231 abutting against the bendable region 31, so that the flexible member 30 does not need to lift the screen during the folding process, and the folding life of the flexible member 30 is improved. The bendable region 31 of the flexible member 30 is bent to enclose a water drop shape, and the duty ratio of the bent bendable region 31 is reduced, so that the overall thickness of the electronic device 100 can be reduced.
In other bending modes of the electronic device 100, bending forces can be applied to the two frames 21 at the same time, and the two frames 21 respectively drive the two rotating members 251 to rotate towards the side close to the flexible member 30, and bending of the electronic device 100 can be achieved through the rotating shaft assembly 22.
When it is desired to flatten the electronic device 100, one of the frames 21 is pulled outward, so that the two connectors 253 connected to the two frames 21 are rotated in a direction away from each other. Specifically, an outward pulling force is applied to one of the frames 21 of the electronic device 100, wherein one of the frames 21 drives the corresponding connecting piece 253 to rotate relative to the positioning seat 24 at a side far away from the flexible piece 30, so as to drive the corresponding rotating piece 251 to rotate relative to the positioning seat 24 at a distance from each other; meanwhile, the connecting piece 253 drives the first circular arc rail 2335 of the side supporting piece 233 to be rotationally connected to the corresponding first circular arc groove 2530, and the sliding guiding portion 2333 of the side supporting piece 233 is slidingly and rotationally sleeved on the connecting shaft 2401, so as to drive the two side supporting pieces 233 to be far away from each other and flattened, so that the rotating shaft assembly 22 is unfolded, and the bendable region 31 of the flexible piece 30 is unfolded along with the rotating shaft assembly 22 until the flexible piece 30 is flattened.
In the above process, the end of the rotating member 251 away from the connecting member 253 gradually pushes against the middle supporting member 231, so that the middle supporting member 231 moves away from the positioning seat 24 until the middle supporting member 231 is flush with the two side supporting members 233. The middle supporting member 231 and the side supporting members 233 are used for supporting the bendable region 31, that is, after the flexible member 30 is flattened, the bendable region 31 and the middle supporting member 231 are gapless, so that the flexible member 30 can be prevented from being damaged, and the folding life of the flexible member 30 is prolonged.
In other unfolding modes of the electronic device 100, an outward pulling force can be applied to the two frames 21 at the same time, and the two frames 21 respectively drive the two rotating members 251 to rotate relative to the side far away from the flexible member 30, so that the supporting mechanism 23 is unfolded to realize the unfolding of the electronic device 100.
The hinge assembly 22 of the electronic device 100 of the present invention is bent or unfolded by the rotation mechanism 25, and two sides of the side supporting member 233 of the hinge assembly 22 are respectively connected with the positioning seat 24 and the connecting member 253, so that the hinge assembly 22 has a firm structure, and the overall strength of the electronic device 100 is improved. In addition, the rotating shaft assembly 22 has the advantages of simple structure, less parts and low manufacturing cost.
The foregoing is a description of embodiments of the present invention, and it should be noted that, for those skilled in the art, modifications and variations can be made without departing from the principles of the embodiments of the present invention, and such modifications and variations are also considered to be within the scope of the present invention.

Claims (20)

1. The rotating mechanism comprises a rotating piece and a connecting piece, one end of the rotating piece, far away from the connecting piece, is rotationally connected with the positioning seat, one side of the side supporting piece, far away from the positioning seat, is rotationally connected with the connecting piece, and one side of the side supporting piece, far away from the connecting piece, is rotationally and slidingly connected with the positioning seat; the connecting piece rotates along with the rotating piece relative to the positioning seat so as to drive the side supporting pieces to rotate and slide relative to the positioning seat, so that the two side supporting pieces can be mutually bent or mutually unfolded.
2. The spindle assembly of claim 1 wherein an axis of rotation between the rotating member and the positioning seat is parallel to an axis of rotation between the side support member and the connecting member.
3. The spindle assembly of claim 1 wherein an end of the rotating member remote from the positioning seat is removably coupled to the coupling member.
4. The rotating shaft assembly according to claim 1, wherein a sliding guide portion is arranged on one side, close to the positioning seat, of the side supporting piece, a sliding guide groove is formed in the sliding guide portion, the sliding guide portion is connected to the positioning seat through a connecting shaft, the connecting shaft is inserted into the sliding guide groove and positioned on the positioning seat, and the axis of the connecting shaft is parallel to the rotation axis between the rotating piece and the positioning seat.
5. The spindle assembly of claim 4, wherein the guide chute includes a first positioning segment proximate the positioning seat, a second positioning segment distal the positioning seat, and a guide slide segment between the first positioning segment and the second positioning segment; when the connecting shaft is positioned in the first positioning section, the two side supporting pieces are mutually bent; when the connecting shaft is positioned at the second positioning section after passing through the sliding guide section, the two side support pieces are mutually flattened.
6. The rotating shaft assembly according to claim 4, wherein a clearance groove is formed in the front surface of the positioning seat corresponding to the sliding guide portion, the sliding guide portion is movably accommodated in the clearance groove, and the middle portion of the connecting shaft penetrates through the sliding guide groove.
7. The rotating shaft assembly according to claim 1, wherein the side support member is provided with a first circular arc rail, and the connecting member is provided with a first circular arc groove corresponding to the first circular arc rail; or the side support piece 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 circular arc rail can rotate along the first circular arc groove, and the axial lead of the first circular arc rail is collinear with the rotation axis between the side supporting piece and the connecting piece.
8. The rotating shaft assembly according to claim 1, wherein a switching groove is formed in the front surface of the positioning seat, and one end of the rotating member, which is far away from the connecting member, is movably accommodated in the switching groove;
the inner side surface of the transfer groove is convexly provided with a second arc rail, and the side surface of the rotating piece is provided with a second arc groove corresponding to the second arc rail; or a second arc groove is formed in the inner side surface of the switching groove, and a second arc rail corresponding to the second arc groove is convexly arranged on the side surface of the rotating piece;
the second circular arc rail can rotate along the second circular arc groove, and the axial lead of the second circular arc rail is collinear with the rotation axis between the rotating piece and the positioning seat.
9. The pivot assembly of claim 4 wherein the support mechanism further comprises a middle support member positioned between the two side support members, wherein during deployment of the two side support members relative to each other, an end of the rotating member distal from the connecting member moves toward the middle support member and pushes the middle support member away from the positioning seat, and wherein when the middle support member and the two side support members are in a flattened condition, an end of the rotating member distal from the connecting member pushes the middle support member.
10. The pivot assembly of claim 9 wherein the slide guide forms a push-on portion near an end of the central support member, the push-on portion gradually pushing against a back surface of the central support member during deployment of the two side support members relative to each other.
11. The rotating shaft assembly according to claim 10, wherein the outer circumferential surface of the pushing portion is formed as a circular arc driving surface, the back surface of the middle support member is provided with a pushing groove corresponding to the sliding guide portion, and the pushing portion movably pushes against the inner surface of the pushing groove.
12. The rotating shaft assembly according to claim 9, wherein two opposite sides of the middle support member are respectively provided with a stop portion, the back surface of the side support member is provided with a stop groove corresponding to the stop portion, and when the middle support member and the two side support members are in a flattened state, the stop portions are abutted against the inner surfaces of the stop grooves.
13. The spindle assembly of claim 9 wherein opposite sides of the central support are each provided with a tab, and the front faces of the side supports are each provided with an abutment corresponding to the tab, the tabs being in abutment with the corresponding abutments when the central support and the two side supports are in a flattened condition.
14. The rotating shaft assembly according to claim 9, wherein the middle support member is provided with a guide slide rod along the moving direction thereof, and the positioning seat is provided with a guide slide hole corresponding to the guide slide rod; or the positioning seat is provided with a guide sliding rod along the moving direction of the middle support piece, and the middle support piece is provided with a guide sliding hole corresponding to the guide sliding rod; the guide sliding rod is inserted into the guide sliding hole in a sliding manner.
15. The assembly according to claim 9, wherein the positioning seat is provided with an elastic member, and the elastic member is preset with an elastic force for driving the middle support member to approach the positioning seat.
16. The assembly of claim 15, wherein a mounting groove is formed in a side of the positioning seat facing away from the central support member, the mounting groove is slidably provided with a mounting member fixedly connected to the central support member, and the elastic member is disposed between the mounting member and the positioning seat in a pre-compressed state.
17. The pivot assembly of claim 16 wherein the positioning seat projects a guide post in the mounting slot along the direction of movement of the central support member, the resilient member is disposed about the guide post, and the mounting member is slidably disposed about the guide post.
18. The pivot assembly of claim 15 wherein the middle support member moves toward the positioning seat under the urging of the resilient member when the two side support members are bent relative to the middle support member.
19. A folding casing, characterized in that the folding casing comprises a rotating shaft assembly according to any one of claims 1-18 and two frames, the rotating shaft assembly is located between the two frames, and the two frames are respectively connected with corresponding connecting pieces in the rotating shaft assembly.
20. An electronic device comprising a flexible member and the folding housing of claim 19, wherein the flexible member is disposed on the folding housing.
CN202210108899.3A 2022-01-28 2022-01-28 Rotating shaft assembly, folding shell and electronic equipment Pending CN116557405A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202210108899.3A CN116557405A (en) 2022-01-28 2022-01-28 Rotating shaft assembly, folding shell and electronic equipment
PCT/CN2022/140648 WO2023142795A1 (en) 2022-01-28 2022-12-21 Rotating shaft assembly, folding shell and electronic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210108899.3A CN116557405A (en) 2022-01-28 2022-01-28 Rotating shaft assembly, folding shell and electronic equipment

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CN116557405A true CN116557405A (en) 2023-08-08

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WO (1) WO2023142795A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102460466B1 (en) * 2016-07-06 2022-10-28 삼성전자주식회사 Foldable electronic device including flexible display
CN210423406U (en) * 2019-06-25 2020-04-28 深圳市富世达通讯有限公司 Folding screen device and hinge mechanism
CN115263907B (en) * 2020-11-03 2023-12-22 Oppo广东移动通信有限公司 Folding device, folding casing and mobile terminal
CN113257136A (en) * 2021-06-03 2021-08-13 武汉华星光电半导体显示技术有限公司 Folding display device
CN115163655B (en) * 2021-11-29 2024-02-23 Oppo广东移动通信有限公司 Folding device, folding shell and electronic equipment
CN117329223A (en) * 2022-06-30 2024-01-02 Oppo广东移动通信有限公司 Rotating shaft assembly, folding shell and electronic equipment
CN217582862U (en) * 2022-07-06 2022-10-14 Oppo广东移动通信有限公司 Folding device, folding shell and electronic equipment

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