CN106917814A - A kind of rotating shaft and electronic equipment - Google Patents

A kind of rotating shaft and electronic equipment Download PDF

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Publication number
CN106917814A
CN106917814A CN201510990144.0A CN201510990144A CN106917814A CN 106917814 A CN106917814 A CN 106917814A CN 201510990144 A CN201510990144 A CN 201510990144A CN 106917814 A CN106917814 A CN 106917814A
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CN
China
Prior art keywords
rotating shaft
gear
shaft
bending
driving section
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
CN201510990144.0A
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Chinese (zh)
Inventor
范小利
马雷
左常龙
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.)
Lenovo Beijing Ltd
Original Assignee
Lenovo Beijing 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 Lenovo Beijing Ltd filed Critical Lenovo Beijing Ltd
Priority to CN201510990144.0A priority Critical patent/CN106917814A/en
Publication of CN106917814A publication Critical patent/CN106917814A/en
Pending legal-status Critical Current

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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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a kind of rotating shaft and electronic equipment.Wherein, rotating shaft includes：Multiple rotary gear shafts, between adjacent gear rotating shaft by the gear teeth meshing on rotary gear shaft together, after bearing an external force, each for making in the multiple rotary gear shaft by the change of the position of engagement produces engaged transmission, so that the shaft bending is to the state under pre-conditioned；Multiple connection members, for connecting the gear-like rotating shaft.

Description

A kind of rotating shaft and electronic equipment
Technical field
The present invention relates to the rotating shaft technology of electronic equipment, more particularly to a kind of rotating shaft and electronic equipment.
Background technology
As science and technology is growing, the concept of flexible screen equipment is had been proposed that in electronic device field, that is, Electronic equipment has a flexible screen, and this flexible screen can lift the feel of user, and in volume more It is frivolous, it is also low in power consumption, hence help to be lifted the endurance of electronic equipment.Meanwhile, can be complete based on it Entirely, the good characteristic of pliability, its robustness is also much higher than conventional screen, reduces equipment accidental injury Probability.
Because the pliability of flexible screen is fine, it is possible to so that the viewing area area of electronic equipment is significantly Increase, be user-friendly to.However, the increase of viewing area area can increase the volume of equipment, so needing Design suitable rotating shaft so that flexible screen equipment can be folded, to reduce the volume of equipment, be convenient for carrying.
However, not having any design on flexible screen equipment rotating shaft also at present.
The content of the invention
To solve existing technical problem, the embodiment of the present invention provides a kind of rotating shaft and electronic equipment.
To reach above-mentioned purpose, what the technical scheme of the embodiment of the present invention was realized in：
A kind of rotating shaft is the embodiment of the invention provides, including：
Multiple rotary gear shafts, between adjacent gear rotating shaft by the gear teeth meshing on rotary gear shaft together, use After an external force is born, nibble each generation in the multiple rotary gear shaft by the change of the position of engagement Transmission is closed, so that the shaft bending is to the state under pre-conditioned；
Multiple connection members, for connecting the gear-like rotating shaft.
In such scheme, the multiple connection member includes the first connecting portion part, is arranged on the rotary gear shaft Shaft core position, for during the shaft bending, produced in the contact surface with the rotary gear shaft and rubbed Power is wiped, so that the rotating shaft can be maintained at any state in the BENDING PROCESS.
In such scheme, the rotating shaft includes bendable portion, each the described gear in the bendable portion Rotating shaft is first structure rotary gear shaft；The first structure rotary gear shaft is the rotary gear shaft of Double-wheel structure；Institute State rotating shaft and include first gear rotating shaft chain and second gear rotating shaft chain；
In the first gear rotating shaft chain, between adjacent first structure rotary gear shaft by gear teeth meshing together；
In the second gear rotating shaft chain, between adjacent first structure rotary gear shaft by gear teeth meshing together；
In first structure rotary gear shaft in the first gear rotating shaft chain and the second gear rotating shaft chain One structure gear rotating shaft, by way of axle center interlocks, is connected using the first connecting portion part；
During the shaft bending, by the change of the position of engagement between adjacent first structure rotary gear shaft, And the interaction between the first gear rotating shaft chain and the second gear rotating shaft chain, make each adjacent first Angle between structure gear rotating shaft changes.
In such scheme, the rotating shaft also includes driving section, and the multiple connection member is also comprising the second connection Part；Each described rotary gear shaft in the driving section is the second structure gear rotating shaft；Second knot Structure rotary gear shaft is the rotary gear shaft of single-wheel structure；
In the driving section, between adjacent second structure gear rotating shaft by gear teeth meshing together；Each The shaft core position of the second structure gear rotating shaft is provided with the first connecting portion part；And it is arranged on the second structure tooth Each the first connecting portion part in wheel rotating shaft is fixed on the second connecting portion part；
Together with one end of the driving section passes through gear teeth meshing with bendable portion end； Together with another end of the driving section passes through gear teeth meshing with an end of another bendable portion； And the second structure gear rotating shaft positioned at the driving section end and the first structure tooth for being located at bendable portion end Wheel rotating shaft is connected by axle center mode using the first connecting portion part；
During the shaft bending, by the change of the position of engagement between adjacent second structure gear rotating shaft, So that the angle in the driving section between adjacent second structure gear axle does not change.
In such scheme, the number of the second structure gear rotating shaft described in the driving section is odd number；Institute State during shaft bending, the driving section two ends have identical rotation direction.
In such scheme, the number of the second structure gear rotating shaft described in the driving section is even number；Institute State during shaft bending, the driving section two ends have opposite rotation direction.
The embodiment of the present invention additionally provides a kind of electronic equipment, including：
Housing；
Flexible screen；
Rotating shaft；
The flexible screen is fixed in the housing, the rotating shaft by the rigid element of the housing with it is described Housing is fixed；
The rotating shaft includes：
Multiple rotary gear shafts, between adjacent gear rotating shaft by the gear teeth meshing on rotary gear shaft together, use After an external force is born, nibble each generation in the multiple rotary gear shaft by the change of the position of engagement Transmission is closed, so that the shaft bending is to the state under pre-conditioned；
Multiple connection members, for connecting the gear-like rotating shaft.
In such scheme, the multiple connection member includes the first connecting portion part, is arranged on the rotary gear shaft Shaft core position, for during the shaft bending, produced in the contact surface with the rotary gear shaft and rubbed Power is wiped, so that the rotating shaft can be maintained at any state in the BENDING PROCESS.
In such scheme, the rotating shaft includes bendable portion, each the described gear in the bendable portion Rotating shaft is first structure rotary gear shaft；The first structure rotary gear shaft is the rotary gear shaft of Double-wheel structure；Institute State rotating shaft and include first gear rotating shaft chain and second gear rotating shaft chain；
In the first gear rotating shaft chain, between adjacent first structure rotary gear shaft by gear teeth meshing together；
In the second gear rotating shaft chain, between adjacent first structure rotary gear shaft by gear teeth meshing together；
In first structure rotary gear shaft in the first gear rotating shaft chain and the second gear rotating shaft chain One structure gear rotating shaft, by way of axle center interlocks, is connected using the first connecting portion part；
During the shaft bending, by the change of the position of engagement between adjacent first structure rotary gear shaft, And the interaction between the first gear rotating shaft chain and the second gear rotating shaft chain, make each adjacent first Angle between structure gear rotating shaft changes.
In such scheme, the rotating shaft also includes driving section, and the multiple connection member is also comprising the second connection Part；Each described rotary gear shaft in the driving section is the second structure gear rotating shaft；Second knot Structure rotary gear shaft is the rotary gear shaft of single-wheel structure；
In the driving section, between adjacent second structure gear rotating shaft by gear teeth meshing together；Each The shaft core position of the second structure gear rotating shaft is provided with the first connecting portion part；And it is arranged on the second structure tooth Each the first connecting portion part in wheel rotating shaft is fixed on the second connecting portion part；
Together with one end of the driving section passes through gear teeth meshing with bendable portion end； Together with another end of the driving section passes through gear teeth meshing with an end of another bendable portion； And the second structure gear rotating shaft positioned at the driving section end and the first structure tooth for being located at bendable portion end Wheel rotating shaft is connected by axle center using the first connecting portion part；
During the shaft bending, by the change of the position of engagement between adjacent second structure gear rotating shaft, So that the angle in the driving section between adjacent second structure gear axle does not change.
In such scheme, the number of the second structure gear rotating shaft described in the driving section is odd number；Institute State during shaft bending, the driving section two ends have identical rotation direction.
In such scheme, the number of the second structure gear rotating shaft described in the driving section is even number；Institute State during shaft bending, the driving section two ends have opposite rotation direction.
In such scheme, the rotating shaft includes spaced bending section and driving section, the bending section at rotating shaft two ends Outer end connects support member respectively, and under shaft bending state, support member bends in the opposite direction so that two branch Support part part and at least one driving section are parallel；
Or, the rotating shaft includes the support member of the bending section and driving section at interval and interval bending section, rotating shaft The outer end of the bending section at two ends connects support member respectively, under shaft bending state, two be connected with bending section outer end Support member bends in the opposite direction so that three support members are parallel with least one driving section.
In such scheme, the rotating shaft includes spaced bending section and driving section, the bending section at rotating shaft two ends Outer end connects support member respectively, and under shaft bending state, support member bends to identical direction so that two branch Support part part and at least one driving section are parallel.
In such scheme, the electronic equipment has at least one set of rotating shaft.
In such scheme, the neutral line of the rotating shaft overlaps with the neutral line of the electronic equipment.
Rotating shaft provided in an embodiment of the present invention and electronic equipment, rotating shaft include multiple rotary gear shafts, adjacent gear Between rotating shaft by the gear teeth meshing on rotary gear shaft together, and with multiple connection members the gear is connected Shape rotating shaft, after bearing an external force, each in the multiple rotary gear shaft is made by the change of the position of engagement Engaged transmission is produced, so that the shaft bending is to the state under pre-conditioned；By multiple rotary gear shafts and The combination of connection member, the rotating shaft that formation can bend, and then when rotating shaft is used in flexible screen electronic equipment, Can fold flexible screen electronic equipment, so as to reduce the volume of equipment, be convenient for carrying.
Brief description of the drawings
In accompanying drawing (it is not necessarily drawn to scale), similar reference can be in different views Described in similar part.Similar reference numerals with different letter suffix can represent the difference of similar component Example.Accompanying drawing generally shows each embodiment discussed herein by way of example and not limitation.
Fig. 1 is the pivot structure schematic diagram after bending of the embodiment of the present invention one；
Fig. 2 is the structural representation of embodiment of the present invention first structure rotary gear shaft；
Fig. 3 is the rotating shaft schematic diagram that the embodiment of the present invention one is in straight configuration；
Fig. 4 is a kind of rotating shaft schematic diagram of form in the BENDING PROCESS of the embodiment of the present invention one；
Fig. 5 is the rotating shaft schematic diagram of another form in the BENDING PROCESS of the embodiment of the present invention one；
Fig. 6 is embodiment of the present invention the first connecting portion part schematic shapes；
Fig. 7 is the first connecting portion part schematic diagram after the embodiment of the present invention one is connected；
Fig. 8 is the pivot structure schematic diagram after bending of the embodiment of the present invention two；
Fig. 9 is the structural representation of the embodiment of the present invention the second structure gear rotating shaft；
Figure 10 is the rotating shaft schematic diagram that the embodiment of the present invention two is in straight configuration；
Figure 11 is a kind of rotating shaft schematic diagram of form in the BENDING PROCESS of the embodiment of the present invention two；
Figure 12 is the rotating shaft schematic diagram of another form in the BENDING PROCESS of the embodiment of the present invention two；
Figure 13 is the rotating shaft schematic diagram of the third form in the BENDING PROCESS of the embodiment of the present invention two；
Figure 14 is the 4th kind of rotating shaft schematic diagram of form in the BENDING PROCESS of the embodiment of the present invention two；
Figure 15 is the pivot structure schematic diagram after bending of the embodiment of the present invention three；
Figure 16 is the rotating shaft schematic diagram that the embodiment of the present invention three is in straight configuration；
Figure 17 is a kind of rotating shaft schematic diagram of form in the BENDING PROCESS of the embodiment of the present invention three；
Figure 18 is the rotating shaft schematic diagram of another form in the BENDING PROCESS of the embodiment of the present invention three；
Figure 19 is the rotating shaft schematic diagram of the third form in the BENDING PROCESS of the embodiment of the present invention three；
Figure 20 is the 4th kind of rotating shaft schematic diagram of form in the BENDING PROCESS of the embodiment of the present invention three；
Figure 21 is the 5th kind of rotating shaft schematic diagram of form in the BENDING PROCESS of the embodiment of the present invention three；
Figure 22 is the pivot structure schematic diagram after bending of the embodiment of the present invention four；
Figure 23 is the rotating shaft schematic diagram that the embodiment of the present invention four is in straight configuration；
Figure 24 is a kind of rotating shaft schematic diagram of form in the BENDING PROCESS of the embodiment of the present invention four；
Figure 25 is the rotating shaft schematic diagram of another form in the BENDING PROCESS of the embodiment of the present invention four；
Figure 26 is the rotating shaft schematic diagram of the third form in the BENDING PROCESS of the embodiment of the present invention four；
Figure 27 is the pivot structure schematic diagram after bending of the embodiment of the present invention five；
Figure 28 is the rotating shaft schematic diagram that the embodiment of the present invention five is in straight configuration；
Figure 29 is a kind of rotating shaft schematic diagram of form in the BENDING PROCESS of the embodiment of the present invention five；
Figure 30 is the rotating shaft schematic diagram of another form in the BENDING PROCESS of the embodiment of the present invention five；
Figure 31 is a kind of electronic equipment schematic diagram after the embodiment of the present invention six is folded；
Figure 32 is another electronic equipment schematic diagram after the embodiment of the present invention six is folded；
Figure 33 is the third electronic equipment schematic diagram after the embodiment of the present invention six is folded；
Figure 34 is the 4th kind of electronic equipment schematic diagram after the embodiment of the present invention six is folded；
Figure 35 is the electronic equipment front view that the embodiment of the present invention six is in straight configuration.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment to the present invention be described in further detail again.
In various embodiments of the present invention：Rotating shaft provided in an embodiment of the present invention includes：
Multiple rotary gear shafts, between adjacent gear rotating shaft by the gear teeth meshing on rotary gear shaft together, use After an external force is born, nibble each generation in the multiple rotary gear shaft by the change of the position of engagement Transmission is closed, so that the shaft bending is to the state under pre-conditioned；
Multiple connection members, for connecting the gear-like rotating shaft.
In addition, the multiple connection member includes the first connecting portion part, the axle center of the rotary gear shaft is arranged on Position, for during the shaft bending, frictional force being produced in the contact surface with the rotary gear shaft, So that the rotating shaft can be maintained at any state in the BENDING PROCESS.
In one embodiment, during practical application, the case of bending of the rotating shaft can be as needed designed, than Such as c-type structure, Z-type structure, G type structures.The case of bending of the rotating shaft according to design, it is described Rotating shaft needs to include bendable portion that each the described rotary gear shaft in the bendable portion is first structure tooth Wheel rotating shaft；The first structure rotary gear shaft is the rotary gear shaft of Double-wheel structure；The rotating shaft includes the first tooth Wheel rotating shaft chain and second gear rotating shaft chain；
In the first gear rotating shaft chain, between adjacent first structure rotary gear shaft by gear teeth meshing together；
In the second gear rotating shaft chain, between adjacent first structure rotary gear shaft by gear teeth meshing together；
In first structure rotary gear shaft in the first gear rotating shaft chain and the second gear rotating shaft chain One structure gear rotating shaft, by way of axle center interlocks, is connected using the first connecting portion part；
During the shaft bending, by the change of the position of engagement between adjacent first structure rotary gear shaft, And the interaction between the first gear rotating shaft chain and the second gear rotating shaft chain, make each adjacent first Angle between structure gear rotating shaft changes.
Further, the case of bending of the rotating shaft according to design, the rotating shaft can also include driving section, The multiple connection member also includes second connecting portion part；Each described rotary gear shaft in the driving section It is the second structure gear rotating shaft；Second structure gear rotating shaft is the rotary gear shaft of single-wheel structure；
In the driving section, between adjacent second structure gear rotating shaft by gear teeth meshing together；Each The shaft core position of the second structure gear rotating shaft is provided with the first connecting portion part；And it is arranged on the second structure tooth Each the first connecting portion part in wheel rotating shaft is fixed on the second connecting portion part；
Together with one end of the driving section passes through gear teeth meshing with bendable portion end； Together with another end of the driving section passes through gear teeth meshing with an end of another bendable portion； And the second structure gear rotating shaft positioned at the driving section end and the first structure tooth for being located at bendable portion end Wheel rotating shaft is connected by axle center mode using the first connecting portion part；
During the shaft bending, by the change of the position of engagement between adjacent second structure gear rotating shaft, So that the angle in the driving section between adjacent second structure gear axle does not change.
Wherein it is possible to control transmission by the number of the second structure gear rotating shaft described in the driving section The rotation direction at portion two ends, to reach the case of bending of the rotating shaft of design.
Specifically, the number of the second structure gear rotating shaft described in the driving section is odd number；At described turn During bending shaft, the driving section two ends have identical rotation direction.
The number of the second structure gear rotating shaft described in the driving section is even number；In the shaft bending mistake Cheng Zhong, the driving section two ends have opposite rotation direction.
During practical application, the rotating shaft that can be bent by the combination of multiple rotary gear shafts and connection member, formation, And the rotating shaft can be used in flexible screen electronic equipment.When flexible screen electronic equipment is needed, can be with countershaft Apply an external force, so that flexible screen electronic equipment is in straight configuration, so, user can be by tool The viewing area for having large area is operated accordingly；When flexible screen electronic equipment is not used, can be to turning Axle applies an external force, to be folded to flexible screen electronic equipment, so that at flexible screen electronic equipment In case of bending, so, the volume of flexible screen electronic equipment can be reduced, so that convenient for collecting and carrying.
In addition, by the engaged transmission between rotary gear shaft, it is possible to achieve to the accurate of flexible screen electronic equipment Positioning.
Illustrated with reference to different embodiment countershafts and the enforceable structure of electronic equipment.
Embodiment one
The present embodiment provides a kind of rotating shaft, as shown in figure 1, the rotating shaft includes：
Bendable portion 10, each rotary gear shaft in the bendable portion is first structure rotary gear shaft 11； As shown in Fig. 2 rotary gear shaft of the first structure rotary gear shaft for Double-wheel structure.
More specific point says that the rotating shaft includes first gear rotating shaft chain 12 and second gear rotating shaft chain 13；Its In,
In the first gear rotating shaft chain 12, gear teeth meshing is passed through between adjacent first structure rotary gear shaft 11 Together；
In the second gear rotating shaft chain 13, gear teeth meshing is passed through between adjacent first structure rotary gear shaft 11 Together；
In first structure rotary gear shaft in the first gear rotating shaft chain and the second gear rotating shaft chain One structure gear rotating shaft, by way of axle center interlocks, is connected using the first connecting portion part 14；
The first connecting portion part 14, is additionally operable to during the shaft bending, with the rotary gear shaft Contact surface produce frictional force so that the rotating shaft can be maintained at any state in the BENDING PROCESS.
After an external force is applied to the rotating shaft, i.e., after an external force is born in described rotating shaft, by the position of engagement Change make in multiple rotary gear shafts each produce engaged transmission so that the shaft bending is to default bar State under part.
Specifically, as shown in figure 3, the rotating shaft is in straight configuration, apply outside one when to the rotating shaft After power, nibble each generation in the multiple first structure rotary gear shaft 11 by the change of the position of engagement Transmission is closed, so that the rotating shaft starts bending as shown in figure 4, proceeding with engaged transmission, meeting The rotating shaft is set to produce bending as shown in Figure 5, with further carrying out for engaged transmission, the rotating shaft meeting Bend to state final as shown in Figure 1.
Certainly, when the rotating shaft is in the case of bending shown in Fig. 1, apply outside one when to the rotating shaft After power, each the generation engaged transmission in multiple rotary gear shafts is made by the change of the position of engagement, rotating shaft can According to Fig. 4,5 inverse process, straight configuration as shown in Figure 3 is finally presented.
Wherein, during the shaft bending, position is engaged by between adjacent first structure rotary gear shaft 11 The change put and the interaction between the first gear rotating shaft chain 12 and the second gear rotating shaft chain 13, The angle between each adjacent first structure rotary gear shaft 11 is set to change, so that the rotating shaft is in finally The case of bending of existing c-type structure, and turned with the first structure gear by the first connecting portion part 14 The frictional force that the contact surface of axle 11 is produced, can make the rotating shaft be maintained at the case of bending of c-type structure.
Here, during the shaft bending, the first structure gear in the first gear rotating shaft chain 12 turns The gear of the first structure rotary gear shaft 11 in the gear of axle 11 and the second gear rotating shaft chain 13 interlocks and sets Put, therefore when the angle change between two neighboring gear in first gear rotating shaft chain 12 can drive second gear to turn A corresponding gear is rotated relative to its gear for closing in axle chain 13, and this rotation is passed back to First gear rotating shaft chain 11, similarly, the angle change in second gear rotating shaft chain 13 between two neighboring gear A corresponding gear rotates relative to its gear for closing on during first gear rotating shaft chain 12 can be driven, and This rotation is passed back to second gear rotating shaft chain 13, so as to reach the associated movement of the whole bending section, And then the angle between each adjacent first structure rotary gear shaft 11 for making changes.
Here, because the first connecting portion part 14 is arranged in each axle center of first structure rotary gear shaft 11, So its shape is usually cylinder as shown in Figure 6.
During practical application, the first connecting portion part 14 can be realized with first knot by many techniques The contact surface of structure rotary gear shaft 11 produces frictional force, such as：
First way, is threaded in the outer wall of the first connecting portion part 14, and in first structure gear Corresponding screw thread is also provided with the axle center of rotating shaft 11, frictional force is produced by way of nut, nut；
The second way, increases the diameter of the first connecting portion part 14, approaches or slightly larger than first structure tooth The diameter of the axle center hole of rotating shaft 11 is taken turns, frictional force is produced in the rotation process of first structure rotary gear shaft 11.
Wherein, during practical application, can as needed design, in whole rotating shaft, only allow in appropriate position The first connecting portion part 14 put is played and produces friction with the contact surface of the first structure rotary gear shaft 11 Power, as long as any state during the rotating shaft can be made to be maintained at the BENDING PROCESS.
Furthermore it is also possible to the rotating shaft position of first structure rotary gear shaft 11 sets a spring leaf, by spring Piece assists the first connecting portion 14, any state in making the rotating shaft be maintained at the BENDING PROCESS.
In one embodiment, in order to be further ensured that the integraty (globality) of rotating shaft, it is to avoid due to non-artificial There is the situation about coming off of first structure rotary gear shaft 11 in factor, as shown in fig. 7, can connect multiple first Relay part 14 is coupled together.
During practical application, can be according to pivot design the need for, determine the number of first structure rotary gear shaft 11.
Embodiment two
The present embodiment provides a kind of rotating shaft, as shown in figure 8, the rotating shaft includes：Spaced bending section 10 With driving section 20；The outer end of the bending section at rotating shaft two ends connects support member, the shaft bending state respectively Under, support member bends in the opposite direction so that two support members are parallel with least one driving section；
Each rotary gear shaft in the bendable portion is first structure rotary gear shaft 11；As shown in Fig. 2 The first structure rotary gear shaft 11 is the rotary gear shaft of Double-wheel structure；
Each described rotary gear shaft in the driving section is the second structure gear rotating shaft 21；As shown in figure 9, Second structure gear rotating shaft 21 is the rotary gear shaft of single-wheel structure；
Wherein, the bendable portion 10 includes：First gear rotating shaft chain and second gear rotating shaft chain；
In the first gear rotating shaft chain, by gear teeth meshing one between adjacent first structure rotary gear shaft 11 Rise；
In the second gear rotating shaft chain, by gear teeth meshing one between adjacent first structure rotary gear shaft 11 Rise；
In first structure rotary gear shaft 11 in the first gear rotating shaft chain and the second gear rotating shaft chain First structure rotary gear shaft 11, by way of axle center interlocks, using the first connecting portion part connect 14；
In the driving section, between adjacent second structure gear rotating shaft 21 by gear teeth meshing together；Often The shaft core position of individual second structure gear rotating shaft 21 is provided with the first connecting portion part 14；And it is arranged on Each the first connecting portion part in two structure gear rotating shafts be fixed on the second connecting portion part (not shown in figure, Being fixed on the purpose of second connecting portion part is：When the position of engagement changes so that the first driving section 201 In angle between adjacent second structure gear axle 21 do not change) on；
Together with one end of the driving section passes through gear teeth meshing with bendable portion end； Together with another end of the driving section passes through gear teeth meshing with an end of another bendable portion； And the second structure gear rotating shaft 21 positioned at the driving section end and the first knot for being located at bendable portion end Structure rotary gear shaft 11 is connected by axle center mode using the first connecting portion part 14；
The first connecting portion part 14, is additionally operable to during the shaft bending, with the rotary gear shaft Contact surface produce frictional force so that the rotating shaft can be maintained at any state in the BENDING PROCESS.
After an external force is applied to the rotating shaft, i.e., after an external force is born in described rotating shaft, by the position of engagement Change make in multiple rotary gear shafts each produce engaged transmission so that the shaft bending is to default bar State under part.
Wherein, during the shaft bending, position is engaged by between adjacent first structure rotary gear shaft 11 Interaction between the change put and the rotary gear shaft chain of each bending section two, makes each adjacent first structure tooth Angle between wheel rotating shaft 11 changes.
During the shaft bending, by the change of the position of engagement between adjacent second structure gear rotating shaft 21 Change so that the angle in the driving section between adjacent second structure gear axle 21 does not change.
Specifically, the rotating shaft includes：
First bending section 101；
Second bending section 102；
3rd bending section 103；
First driving section 201；The number of the second structure gear rotating shaft is described in first driving section 201 Even number；
Second driving section 202, the number of the second structure gear rotating shaft is described in second driving section 202 Even number；
The first support member 151 with the gear teeth；The second support member 152 with the gear teeth；Described first Support part part 151 is differed with the length of second support member 152；
One end of first bending section 101 is with first support member 151 with cogged one end By axle center mode, connected using the first connecting portion part 14；First bending section 101 another One end of end and the first driving section 201 is connected by axle center mode using the first connecting portion part 14； Another end of first driving section 201 passes through axle center with an end of second bending section 102 Mode, is connected using the first connecting portion part 14；Another end of second bending section 102 and the One end of two driving sections 202 is connected by axle center mode using the first connecting portion part 14；Second Adopted by axle center mode one end of another end of driving section 202 and the 3rd bending section 103 Connected with the first connecting portion part 14；One end of the 3rd bending section 103 and second support member 152 with cogged one end by axle center mode, connected using the first connecting portion part 14.
Here, first support member 151 is differed with the length of second support member 152；One As for, first support member 151 more than second support member 152 length, in this way, work as After shaft bending, a G type for standard could be formed.So design the reason for be：Avoid in BENDING PROCESS In, first support member 151 produces interference problem with second support member 152.
As shown in Figure 10, the rotating shaft is in straight configuration, after an external force is applied to the rotating shaft, leads to Each crossed the change of the position of engagement and make in multiple rotary gear shafts produces engaged transmission, so that the rotating shaft Start bending, as shown in figure 11；With proceeding for engaged transmission, the rotating shaft can be made to produce as schemed Bending shown in 12, with further carrying out for engaged transmission, can produce the rotating shaft as shown in figure 13 Bending, with proceeding for engaged transmission, the rotating shaft can be bent to bending as shown in figure 14；Most Eventually, the rotating shaft can be bent to end-state as shown in Figure 8.
Certainly, when the rotating shaft is in the case of bending shown in Fig. 8, apply outside one when to the rotating shaft After power, each the generation engaged transmission in multiple rotary gear shafts is made by the change of the position of engagement, rotating shaft can According to the inverse process of Figure 11-14, straight configuration as shown in Figure 10 is finally presented.
Wherein, in transmission process, by the change of the position of engagement between adjacent first structure rotary gear shaft 11 And the interaction between the rotary gear shaft chain of each bending section two, make each adjacent first structure rotary gear shaft it Between angle change, by the change of the position of engagement between adjacent second structure gear rotating shaft 21, make Angle in the first driving section 201 between adjacent second structure gear axle 21 does not change, and by idol Several second structure gears rotating shaft 21 so that the two ends of the first driving section 201 have opposite rotation direction, By the change of the position of engagement between adjacent second structure gear rotating shaft 21 so that phase in the second driving section 202 Angle between adjacent second structure gear axle 21 does not change, and by the second structure gear described in even number Rotating shaft 21 so that the two ends of the second driving section 202 have opposite rotation direction, so that the rotating shaft is final The case of bending of G type structures is presented, and by the first connecting portion part 14 and the first structure gear Frictional force that the contact surface of rotating shaft 11 is produced and/or by the first connecting portion part 14 and second structure The frictional force that the contact surface of rotary gear shaft 21 is produced, can make the rotating shaft be maintained at the bending of G type structures State.
During the shaft bending, in each bending section, the first structure tooth in first gear rotating shaft chain The gear for taking turns the first structure rotary gear shaft in gear and the second gear rotating shaft chain of rotating shaft is staggered, Therefore in the angle change between two neighboring gear in first gear rotating shaft chain can drive second gear rotating shaft chain A corresponding gear is rotated relative to its gear for closing on, and this rotation is passed back into first gear Rotating shaft chain, similarly, the angle change in second gear rotating shaft chain between two neighboring gear can drive first gear A corresponding gear is rotated relative to its gear for closing in rotating shaft chain, and this rotation is passed back to Second gear rotating shaft chain, so as to reach the associated movement of the whole bending section, and then each adjacent first for making Angle between structure gear rotating shaft changes.
Here, because the first connecting portion part 14 is arranged on the structure of first structure rotary gear shaft 11 and second In each axle center of rotary gear shaft 21, so its shape is usually cylinder as shown in Figure 6.
During practical application, the first connecting portion part 14 can be realized with first knot by many techniques The contact surface of the structure gear rotating shaft 21 of structure rotary gear shaft 11 and second produces frictional force, such as：
First way, is threaded in the outer wall of the first connecting portion part 14, and in first structure gear Corresponding screw thread is also provided with the axle center of the structure gear rotating shaft 21 of rotating shaft 11 and second, by nut, nut Mode produce frictional force；
The second way, increases the diameter of the first connecting portion part 14, approaches or slightly larger than first structure tooth The diameter of the axle center hole of the structure gear rotating shaft 21 of rotating shaft 11 and second is taken turns, in the He of first structure rotary gear shaft 11 Frictional force is produced in the rotation process of second structure gear rotating shaft 21.
Wherein, during practical application, can as needed design, in whole rotating shaft, only allow in appropriate position The first connecting portion part 14 put is played and turned with the structure gear of the first structure rotary gear shaft 11 and second The contact surface of axle 21 produces frictional force, as long as any during the rotating shaft can be made to be maintained at the BENDING PROCESS State.
Furthermore it is also possible to the rotating shaft position of the structure gear rotating shaft 21 of first structure rotary gear shaft 11 and second sets A spring leaf is put, the first connecting portion 14 is assisted by spring leaf, the rotating shaft is maintained at described Any state in BENDING PROCESS.
During practical application, can be according to pivot design the need for, determine first structure rotary gear shaft 11 and second The number of structure gear rotating shaft 21.
Embodiment three
The present embodiment provides a kind of rotating shaft, and as shown in figure 15, the rotating shaft includes：Spaced bending section and Driving section；The outer end of the bending section at rotating shaft two ends connects support member respectively, under the shaft bending state, Support member bends in the opposite direction so that three support members are parallel with least one driving section；
Each rotary gear shaft in the bendable portion is first structure rotary gear shaft 11；As shown in Fig. 2 The first structure rotary gear shaft is the rotary gear shaft of Double-wheel structure；
Each described rotary gear shaft in the driving section is the second structure gear rotating shaft 21；As shown in figure 9, Second structure gear rotating shaft 21 is the rotary gear shaft of single-wheel structure；
Wherein, the bendable portion includes：First gear rotating shaft chain and second gear rotating shaft chain；
In the first gear rotating shaft chain, by gear teeth meshing one between adjacent first structure rotary gear shaft 11 Rise；
In the second gear rotating shaft chain, by gear teeth meshing one between adjacent first structure rotary gear shaft 11 Rise；
In first structure rotary gear shaft 11 in the first gear rotating shaft chain and the second gear rotating shaft chain First structure rotary gear shaft 11, by way of axle center interlocks, using the first connecting portion part connect 14；
In the driving section, between adjacent second structure gear rotating shaft 21 by gear teeth meshing together；Often The shaft core position of individual second structure gear rotating shaft 21 is provided with the first connecting portion part 14；And it is arranged on Each the first connecting portion part in two structure gear rotating shafts is fixed on not shown in the second connecting portion part figure, Being fixed on the purpose of second connecting portion part is：When the position of engagement changes so that the first driving section 201 In angle between adjacent second structure gear axle 21 do not change) on；
Together with one end of the driving section passes through gear teeth meshing with bendable portion end； Together with another end of the driving section passes through gear teeth meshing with an end of another bendable portion； And the second structure gear rotating shaft 21 positioned at the driving section end and the first knot for being located at bendable portion end Structure rotary gear shaft 11 is connected by axle center mode using the first connecting portion part 14；
The first connecting portion part 14, is additionally operable to during the shaft bending, with the rotary gear shaft Contact surface produce frictional force so that the rotating shaft can be maintained at any state in the BENDING PROCESS.
After an external force is applied to the rotating shaft, i.e., after an external force is born in described rotating shaft, by the position of engagement Change make in multiple rotary gear shafts each produce engaged transmission so that the shaft bending is to default bar State under part.
Wherein, during the shaft bending, position is engaged by between adjacent first structure rotary gear shaft 11 Interaction between the change put and the rotary gear shaft chain of each bending section two, makes each adjacent first structure tooth Angle between wheel rotating shaft 11 changes.
During the shaft bending, by the change of the position of engagement between adjacent second structure gear rotating shaft 21 Change so that the angle in the driving section between adjacent second structure gear axle 21 does not change.
Specifically, the rotating shaft includes：
4th bending section 104；
5th bending section 105；
6th bending section 106；
3rd driving section 203；The number of the second structure gear rotating shaft 21 described in 3rd driving section 203 It is even number；
The 3rd support member 153 with the gear teeth；The 4th support member 154 with the gear teeth；With the gear teeth 5th support member 155；
One end of the 4th bending section 104 is with the 3rd support member 153 with cogged one end By axle center mode, connected using the first connecting portion part 14；4th bending section 104 another One end of end and the 3rd driving section 203 is connected by axle center mode using the first connecting portion part 14； Another end of 3rd driving section 203 passes through axle center with an end of the 5th bending section 105 Mode, is connected using the first connecting portion part 14；Another end of 5th bending section 105 and institute One end of the 4th support member 154 is stated by axle center mode, is connected using the first connecting portion part 14；Institute The other end of the 4th support member 154 and one end of the 6th bending section 106 are stated by axle center mode, is adopted Connected with the first connecting portion part 14；The other end of the 6th bending section 106 and the 5th supporting part Part 155, by axle center mode, is connected with cogged one end using the first connecting portion part 14.
As shown in figure 16, the rotating shaft is in straight configuration, after an external force is applied to the rotating shaft, leads to Each crossed the change of the position of engagement and make in multiple rotary gear shafts produces engaged transmission, so that the rotating shaft Start bending, as shown in figure 17；With proceeding for engaged transmission, the rotating shaft can be made to produce as schemed Bending shown in 18, with further carrying out for engaged transmission, can produce the rotating shaft as shown in figure 19 Bending, with proceeding for engaged transmission, the rotating shaft can be bent to bending as shown in figure 20；With Further carrying out for engaged transmission, the rotating shaft can be bent to bending as shown in figure 21；Finally, it is described Rotating shaft can be bent to final state as shown in figure 15.
Certainly, when the rotating shaft is in the case of bending shown in Figure 15, apply outside one when to the rotating shaft After power, each the generation engaged transmission in multiple rotary gear shafts is made by the change of the position of engagement, rotating shaft can According to the inverse process of Figure 17-21, straight configuration as shown in figure 16 is finally presented.
Wherein, in transmission process, by the change of the position of engagement between adjacent first structure rotary gear shaft 11 And the interaction between the rotary gear shaft chain of each bending section two, make each adjacent first structure rotary gear shaft 11 Between angle change, by the change of the position of engagement between adjacent second structure gear rotating shaft 21, So that the angle in three driving sections 203 between adjacent second structure gear axle 21 does not change, and by idol Several second structure gears rotating shaft 21 so that the two ends of the 3rd driving section 203 have opposite rotation direction, So that the rotating shaft is finally presented the case of bending of G type structures, and by the first connecting portion part 14 The frictional force produced with the contact surface of the first structure rotary gear shaft 11, and/or connected by described first The frictional force that part 14 is produced with the contact surface of second structure gear rotating shaft 21, can make the rotating shaft It is maintained at the case of bending of G type structures.
During the shaft bending, in each bending section, the first structure tooth in first gear rotating shaft chain The gear for taking turns the first structure rotary gear shaft in gear and the second gear rotating shaft chain of rotating shaft is staggered, Therefore in the angle change between two neighboring gear in first gear rotating shaft chain can drive second gear rotating shaft chain A corresponding gear is rotated relative to its gear for closing on, and this rotation is passed back into first gear Rotating shaft chain, similarly, the angle change in second gear rotating shaft chain between two neighboring gear can drive first gear A corresponding gear is rotated relative to its gear for closing in rotating shaft chain, and this rotation is passed back to Second gear rotating shaft chain, so as to reach the associated movement of the whole bending section, and then each adjacent first for making Angle between structure gear rotating shaft changes.
Here, because the first connecting portion part 14 is arranged on the structure of first structure rotary gear shaft 11 and second In each axle center of rotary gear shaft 21, so its shape is usually cylinder as shown in Figure 6.
During practical application, the first connecting portion part 14 can be realized with first knot by many techniques The contact surface of the structure gear rotating shaft 21 of structure rotary gear shaft 11 and second produces frictional force, such as：
First way, is threaded in the outer wall of the first connecting portion part 14, and in first structure gear Corresponding screw thread is also provided with the axle center of the structure gear rotating shaft 21 of rotating shaft 11 and second, by nut, nut Mode produce frictional force；
The second way, increases the diameter of the first connecting portion part 14, approaches or slightly larger than first structure tooth The diameter of the axle center hole of the structure gear rotating shaft 21 of rotating shaft 11 and second is taken turns, in the He of first structure rotary gear shaft 11 Frictional force is produced in the rotation process of second structure gear rotating shaft 21.
Wherein, during practical application, can as needed design, in whole rotating shaft, only allow in appropriate position The first connecting portion part 14 put is played and turned with the structure gear of the first structure rotary gear shaft 11 and second The contact surface of axle 21 produces frictional force, as long as any during the rotating shaft can be made to be maintained at the BENDING PROCESS State.
Furthermore it is also possible to the rotating shaft position of the structure gear rotating shaft 21 of first structure rotary gear shaft 11 and second sets A spring leaf is put, the first connecting portion 14 is assisted by spring leaf, the rotating shaft is maintained at described Any state in BENDING PROCESS.
During practical application, can be according to pivot design the need for, determine first structure rotary gear shaft 11 and second The number of structure gear rotating shaft 21.
Example IV
The present embodiment provides a kind of rotating shaft, and as shown in figure 22, the rotating shaft includes：Spaced bending section and Driving section, the outer end of the bending section at rotating shaft two ends connects support member respectively, under shaft bending state, support member to Identical direction bends so that two support members are parallel with least one driving section；
Each rotary gear shaft in the bendable portion is first structure rotary gear shaft 11；As shown in Fig. 2 The first structure rotary gear shaft is the rotary gear shaft of Double-wheel structure；
Each described rotary gear shaft in the driving section is the second structure gear rotating shaft 21；As shown in figure 9, Second structure gear rotating shaft 21 is the rotary gear shaft of single-wheel structure；
Wherein, the bendable portion includes：First gear rotating shaft chain and second gear rotating shaft chain；
In the first gear rotating shaft chain, by gear teeth meshing one between adjacent first structure rotary gear shaft 11 Rise；
In the second gear rotating shaft chain, by gear teeth meshing one between adjacent first structure rotary gear shaft 11 Rise；
In first structure rotary gear shaft 11 in the first gear rotating shaft chain and the second gear rotating shaft chain First structure rotary gear shaft 11, by way of axle center interlocks, using the first connecting portion part connect 14；
In the driving section, between adjacent second structure gear rotating shaft 21 by gear teeth meshing together；Often The shaft core position of individual second structure gear rotating shaft 21 is provided with the first connecting portion part 14；And it is arranged on Each the first connecting portion part in two structure gear rotating shafts is fixed on not shown in the second connecting portion part figure, Being fixed on the purpose of second connecting portion part is：When the position of engagement changes so that the first driving section 201 In angle between adjacent second structure gear axle 21 do not change) on；
Together with one end of the driving section passes through gear teeth meshing with bendable portion end； Together with another end of the driving section passes through gear teeth meshing with an end of another bendable portion； And the second structure gear rotating shaft 21 positioned at the driving section end and the first knot for being located at bendable portion end Structure rotary gear shaft 11 is connected by axle center mode using the first connecting portion part 14；
The first connecting portion part 14, is additionally operable to during the shaft bending, with the rotary gear shaft Contact surface produce frictional force so that the rotating shaft can be maintained at any state in the BENDING PROCESS.
After an external force is applied to the rotating shaft, i.e., after an external force is born in described rotating shaft, by the position of engagement Change make in multiple rotary gear shafts each produce engaged transmission so that the shaft bending is to default bar State under part.
Wherein, during the shaft bending, position is engaged by between adjacent first structure rotary gear shaft 11 Interaction between the change put and the rotary gear shaft chain of each bending section two, makes each adjacent first structure tooth Angle between wheel rotating shaft 11 changes.
During the shaft bending, by the change of the position of engagement between adjacent second structure gear rotating shaft 21 Change so that the angle in the driving section between adjacent second structure gear axle 21 does not change.
Specifically, the rotating shaft includes：
7th bending section 107；
8th bending section 108；
4th driving section 204；The number of the second structure gear rotating shaft 21 described in 4th driving section 204 It is odd number；
The 6th support member 156 with the gear teeth；The 7th support member 157 with the gear teeth；
One end of the 7th bending section 107 is with the 6th support member 156 with cogged one end By axle center mode, connected using the first connecting portion part 14；7th bending section 107 another One end of end and the 4th driving section 204 is connected by axle center mode using the first connecting portion part 14； Another end of 4th driving section 204 passes through axle center with an end of the 8th bending section 108 Mode, is connected using the first connecting portion part 14；Another end of 8th bending section 108 and institute The 7th support member 157 is stated with cogged one end by axle center mode, using the first connecting portion part 14 Connection.
As shown in figure 23, the rotating shaft is in straight configuration, after an external force is applied to the rotating shaft, leads to Each crossed the change of the position of engagement and make in multiple rotary gear shafts produces engaged transmission, so that the rotating shaft Start bending, as shown in figure 24；With proceeding for engaged transmission, the rotating shaft can be made to produce as schemed Bending shown in 25, with further carrying out for engaged transmission, can produce the rotating shaft as shown in figure 26 Bending；Finally, the rotating shaft can be bent to end-state as shown in figure 22.
Certainly, when the rotating shaft is in the case of bending shown in Figure 22, apply outside one when to the rotating shaft After power, each the generation engaged transmission in multiple rotary gear shafts is made by the change of the position of engagement, rotating shaft can According to the inverse process of Figure 24-26, straight configuration as shown in figure 23 is finally presented.
Wherein, in transmission process, by the change of the position of engagement between adjacent first structure rotary gear shaft 11 And the interaction between the rotary gear shaft chain of each bending section two, make each adjacent first structure rotary gear shaft 11 Between angle change, by the change of the position of engagement between adjacent second structure gear rotating shaft 21, So that the angle in the 4th driving section 204 between adjacent second structure gear axle 21 does not change, and By the second structure gear rotating shaft 21 described in odd number so that there is at the two ends of the 4th driving section 204 identical to turn Dynamic direction, so that the rotating shaft is finally presented the case of bending of Z-type structure, and connects by described first The frictional force that the contact surface of part 14 and the first structure rotary gear shaft 11 is produced, and/or by described the The frictional force that one connection member 14 is produced with the contact surface of second structure gear rotating shaft 21, can make institute State the case of bending that rotating shaft is maintained at G type structures.
During the shaft bending, in each bending section, the first structure tooth in first gear rotating shaft chain The gear for taking turns the first structure rotary gear shaft in gear and the second gear rotating shaft chain of rotating shaft is staggered, Therefore in the angle change between two neighboring gear in first gear rotating shaft chain can drive second gear rotating shaft chain A corresponding gear is rotated relative to its gear for closing on, and this rotation is passed back into first gear Rotating shaft chain, similarly, the angle change in second gear rotating shaft chain between two neighboring gear can drive first gear A corresponding gear is rotated relative to its gear for closing in rotating shaft chain, and this rotation is passed back to Second gear rotating shaft chain, so as to reach the associated movement of the whole bending section, and then each adjacent first for making Angle between structure gear rotating shaft changes.
Here, because the first connecting portion part 14 is arranged on the structure of first structure rotary gear shaft 11 and second In each axle center of rotary gear shaft 21, so its shape is usually cylinder as shown in Figure 6.
During practical application, the first connecting portion part 14 can be realized with first knot by many techniques The contact surface of the structure gear rotating shaft 21 of structure rotary gear shaft 11 and second produces frictional force, such as：
First way, is threaded in the outer wall of the first connecting portion part 14, and in first structure gear Corresponding screw thread is also provided with the axle center of the structure gear rotating shaft 21 of rotating shaft 11 and second, by nut, nut Mode produce frictional force；
The second way, increases the diameter of the first connecting portion part 14, approaches or slightly larger than first structure tooth The diameter of the axle center hole of the structure gear rotating shaft 21 of rotating shaft 11 and second is taken turns, in the He of first structure rotary gear shaft 11 Frictional force is produced in the rotation process of second structure gear rotating shaft 21.
Wherein, during practical application, can as needed design, in whole rotating shaft, only allow in appropriate position The first connecting portion part 14 put is played and turned with the structure gear of the first structure rotary gear shaft 11 and second The contact surface of axle 21 produces frictional force, as long as any during the rotating shaft can be made to be maintained at the BENDING PROCESS State.
Furthermore it is also possible to the rotating shaft position of the structure gear rotating shaft 21 of first structure rotary gear shaft 11 and second sets A spring leaf is put, the first connecting portion 14 is assisted by spring leaf, the rotating shaft is maintained at described Any state in BENDING PROCESS.
During practical application, can be according to pivot design the need for, determine first structure rotary gear shaft 11 and second The number of structure gear rotating shaft 21.
Embodiment five
The present embodiment provides a kind of rotating shaft, and as shown in figure 27, the rotating shaft includes：Spaced bending section and Driving section, the outer end of the bending section at rotating shaft two ends connects support member respectively, under shaft bending state, support member to Identical direction bends so that two support members and at least one driving section are vertical；
Each rotary gear shaft in the bendable portion is first structure rotary gear shaft 11；As shown in Fig. 2 The first structure rotary gear shaft is the rotary gear shaft of Double-wheel structure；
Each described rotary gear shaft in the driving section is the second structure gear rotating shaft 21；As shown in figure 9, Second structure gear rotating shaft 21 is the rotary gear shaft of single-wheel structure；
Wherein, the bendable portion includes：First gear rotating shaft chain and second gear rotating shaft chain；
In the first gear rotating shaft chain, by gear teeth meshing one between adjacent first structure rotary gear shaft 11 Rise；
In the second gear rotating shaft chain, by gear teeth meshing one between adjacent first structure rotary gear shaft 11 Rise；
In first structure rotary gear shaft 11 in the first gear rotating shaft chain and the second gear rotating shaft chain First structure rotary gear shaft 11, by way of axle center interlocks, using the first connecting portion part connect 14；
In the driving section, between adjacent second structure gear rotating shaft 21 by gear teeth meshing together；Often The shaft core position of individual second structure gear rotating shaft 21 is provided with the first connecting portion part 14；And it is arranged on Each the first connecting portion part in two structure gear rotating shafts is fixed on not shown in the second connecting portion part figure, Being fixed on the purpose of second connecting portion part is：When the position of engagement changes so that the first driving section 201 In angle between adjacent second structure gear axle 21 do not change) on；
Together with one end of the driving section passes through gear teeth meshing with bendable portion end； Together with another end of the driving section passes through gear teeth meshing with an end of another bendable portion； And the second structure gear rotating shaft 21 positioned at the driving section end and the first knot for being located at bendable portion end Structure rotary gear shaft 11 is connected by axle center mode using the first connecting portion part 14；
The first connecting portion part 14, is additionally operable to during the shaft bending, with the rotary gear shaft Contact surface produce frictional force so that the rotating shaft can be maintained at any state in the BENDING PROCESS.
After an external force is applied to the rotating shaft, i.e., after an external force is born in described rotating shaft, by the position of engagement Change make in multiple rotary gear shafts each produce engaged transmission so that the shaft bending is to default bar State under part.
Wherein, during the shaft bending, position is engaged by between adjacent first structure rotary gear shaft 11 Interaction between the change put and the rotary gear shaft chain of each bending section two, makes each adjacent first structure tooth Angle between wheel rotating shaft 11 changes.
During the shaft bending, by the change of the position of engagement between adjacent second structure gear rotating shaft 21 Change so that the angle in the driving section between adjacent second structure gear axle 21 does not change.
Specifically, the rotating shaft includes：
9th bending section 109；
Tenth bending section 1010；
11st bending section 1011；
12nd bending section 1012；
13rd bending section 1013；
5th driving section 205；The number of the second structure gear rotating shaft 21 described in 5th driving section 205 It is even number；
6th driving section 206；The number of the second structure gear rotating shaft 21 described in 6th driving section 206 It is odd number；
7th driving section 207；The number of the second structure gear rotating shaft 21 described in 7th driving section 207 It is odd number；
8th driving section 208；The number of the second structure gear rotating shaft 21 described in 8th driving section 208 It is even number；
The 8th support member 158 with the gear teeth；The 9th support member 159 with the gear teeth；
One end of the 9th bending section 109 is with the 8th support member 158 with cogged one end By axle center mode, connected using the first connecting portion part 14；9th bending section 108 another One end of end and the 5th driving section 205 is connected by axle center mode using the first connecting portion part 14； Another end of 5th driving section 205 passes through axle center with an end of the tenth bending section 1010 Mode, is connected using the first connecting portion part 14；Another end of tenth bending section 1010 with 6th driving section 206 is connected by axle center mode using the first connecting portion part 14；6th transmission Another end in portion 206 and an end of the 11st bending section 1011 by axle center mode, using described The first connecting portion part 14 is connected；Another end of 11st bending section 1011 and the 7th driving section 207 One end is connected by axle center mode using the first connecting portion part 14；7th driving section 207 One end of another end and the 12nd bending section 1012 is connected by axle center mode using described first Part 14 is connected；Another end of 12nd bending section 1012 and an end of the 8th driving section 208 By axle center mode, connected using the first connecting portion part 14；One end of the 8th driving section 208 with One end of the 13rd bending section 1013 is connected by axle center mode using the first connecting portion part 14； Another end of 13rd bending section 1013 passes through with the 9th support member 159 with cogged one end Axle center mode, is connected using the first connecting portion part 14.
As shown in figure 28, the rotating shaft is in straight configuration, after an external force is applied to the rotating shaft, leads to Each crossed the change of the position of engagement and make in multiple rotary gear shafts produces engaged transmission, so that the rotating shaft Start bending, as shown in figure 29；With proceeding for engaged transmission, the rotating shaft can be made to produce as schemed Bending shown in 30；Finally, the rotating shaft can be bent to end-state as shown in figure 27.
Certainly, when the rotating shaft is in the case of bending shown in Figure 27, apply outside one when to the rotating shaft After power, each the generation engaged transmission in multiple rotary gear shafts is made by the change of the position of engagement, rotating shaft can According to the inverse process of Figure 29-30, straight configuration as shown in figure 28 is finally presented.
Wherein, in transmission process, by the change of the position of engagement between adjacent first structure rotary gear shaft 11 And the interaction between the rotary gear shaft chain of each bending section two, make each adjacent first structure rotary gear shaft 11 Between angle change, by the change of the position of engagement between adjacent second structure gear rotating shaft 21, So that the angle in each driving section between adjacent second structure gear axle 21 does not change, and by even number Second structure gear rotating shaft 21 so that the 5th driving section 205 and the two ends of the 8th driving section 208 have phase Anti- rotation direction, by the second structure gear rotating shaft 21 described in odd number so that the 6th driving section 206 and The two ends of 7th driving section 207 have identical rotation direction so that the rotating shaft is finally presented ∑ type structure Case of bending, and the contact surface for passing through the first connecting portion part 14 and the first structure rotary gear shaft 11 The frictional force of generation, and/or by the first connecting portion part 14 and second structure gear rotating shaft 21 The frictional force that contact surface is produced, can make the rotating shaft be maintained at the case of bending of ∑ type structure.
During the shaft bending, in each bending section, the first structure tooth in first gear rotating shaft chain The gear for taking turns the first structure rotary gear shaft in gear and the second gear rotating shaft chain of rotating shaft is staggered, Therefore in the angle change between two neighboring gear in first gear rotating shaft chain can drive second gear rotating shaft chain A corresponding gear is rotated relative to its gear for closing on, and this rotation is passed back into first gear Rotating shaft chain, similarly, the angle change in second gear rotating shaft chain between two neighboring gear can drive first gear A corresponding gear is rotated relative to its gear for closing in rotating shaft chain, and this rotation is passed back to Second gear rotating shaft chain, so as to reach the associated movement of the whole bending section, and then each adjacent first for making Angle between structure gear rotating shaft changes.
Here, because the first connecting portion part 14 is arranged on the structure of first structure rotary gear shaft 11 and second In each axle center of rotary gear shaft 21, so its shape is usually cylinder as shown in Figure 6.
During practical application, the first connecting portion part 14 can be realized with first knot by many techniques The contact surface of the structure gear rotating shaft 21 of structure rotary gear shaft 11 and second produces frictional force, such as：
First way, is threaded in the outer wall of the first connecting portion part 14, and in first structure gear Corresponding screw thread is also provided with the axle center of the structure gear rotating shaft 21 of rotating shaft 11 and second, by nut, nut Mode produce frictional force；
The second way, increases the diameter of the first connecting portion part 14, approaches or slightly larger than first structure tooth The diameter of the axle center hole of the structure gear rotating shaft 21 of rotating shaft 11 and second is taken turns, in the He of first structure rotary gear shaft 11 Frictional force is produced in the rotation process of second structure gear rotating shaft 21.
Wherein, during practical application, can as needed design, in whole rotating shaft, only allow in appropriate position The first connecting portion part 14 put is played and turned with the structure gear of the first structure rotary gear shaft 11 and second The contact surface of axle 21 produces frictional force, as long as any during the rotating shaft can be made to be maintained at the BENDING PROCESS State.
Furthermore it is also possible to the rotating shaft position of the structure gear rotating shaft 21 of first structure rotary gear shaft 11 and second sets A spring leaf is put, the first connecting portion 14 is assisted by spring leaf, the rotating shaft is maintained at described Any state in BENDING PROCESS.
During practical application, can be according to pivot design the need for, determine first structure rotary gear shaft 11 and second The number of structure gear rotating shaft 21.
Embodiment six
The present embodiment provides a kind of electronic equipment, and the electronic equipment includes：
Housing；
Flexible screen；
Rotating shaft；
The flexible screen is fixed in the housing, the rotating shaft by the rigid element of the housing with it is described Housing is fixed；
The rotating shaft includes：
Multiple rotary gear shafts, between adjacent gear rotating shaft by the gear teeth meshing on rotary gear shaft together, use After an external force is born, nibble each generation in the multiple rotary gear shaft by the change of the position of engagement Transmission is closed, so that the shaft bending is to the state under pre-conditioned；
Multiple connection members, for connecting the gear-like rotating shaft.
Wherein, during practical application, the rotating shaft of the electronic equipment can be using the rotating shaft (C of the description of embodiment one Type rotating shaft).In this case, when the electronic equipment is in completely folded state, as shown in figure 31, Due to the effect of rotating shaft so that the electronic equipment outward appearance shows c-type outward appearance.
The rotating shaft of the electronic equipment can also be using the rotating shaft (rotating shaft of G types) of the description of embodiment two, three.This In the case of kind, when the electronic equipment is in completely folded state, as shown in figure 32, due to the work of rotating shaft With so that the electronic equipment outward appearance shows G type outward appearances.
The rotating shaft of the electronic equipment can also be using the rotating shaft (Z-type rotating shaft) of example IV description.This feelings Under condition, when the electronic equipment is in completely folded state, as shown in figure 33, due to the effect of rotating shaft, So that the electronic equipment outward appearance shows Z-type outward appearance.
Certainly, the rotating shaft of the electronic equipment can also be using the rotating shaft (rotating shaft of ∑ type) of the description of embodiment five. In this case, when the electronic equipment is in completely folded state, as shown in figure 34, due to rotating shaft Effect so that the electronic equipment outward appearance shows ∑ type outward appearance.
Here, during practical application, the electronic equipment can have at least one set of rotating shaft.In other words, root The need for actual product, rotating shaft can have at least one set of rotating shaft.
When the electronic equipment has at least two groups of rotating shafts, can be according to the actual conditions of product, it is determined that extremely Few two groups of positions of rotating shaft, such as positioned at being respectively positioned on the centre position of flexible screen, or be respectively positioned on flexible screen Side, or positioned at the both sides of flexible screen.
Here, when the electronic equipment has at least two groups of rotating shafts, two groups at least two groups rotating shafts Rotating shaft may be located at the outside of the flexible screen, in this way, being avoided that the two ends volume for appearing in the electronic equipment The problem that bent situation is differed, so that can be folded well between rotating shaft, shell, flexible screen.
Wherein, as shown in figure 35, when electronic equipment is faced, then the both sides of the flexible screen refer to：It is flexible The both sides up and down of screen.
Internal-and external diameter difference causes rotating shaft dislocation vacancy occur in end during in order to avoid due to bending, influences end Rolled state, so as to can be folded well between rotating shaft, shell, flexible screen, the rotating shaft can be made Neutral line overlaps with the neutral line of the electronic equipment.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited to This, any one skilled in the art the invention discloses technical scope in, can readily occur in Change or replacement, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should It is defined by the scope of the claims.

Claims (16)

1. a kind of rotating shaft, it is characterised in that the rotating shaft includes：
Multiple rotary gear shafts, between adjacent gear rotating shaft by the gear teeth meshing on rotary gear shaft together, use After an external force is born, nibble each generation in the multiple rotary gear shaft by the change of the position of engagement Transmission is closed, so that the shaft bending is to the state under pre-conditioned；
Multiple connection members, for connecting the gear-like rotating shaft.
2. rotating shaft according to claim 1, it is characterised in that the multiple connection member includes first Connection member, is arranged on the shaft core position of the rotary gear shaft, for during the shaft bending, Contact surface with the rotary gear shaft produces frictional force, so that the rotating shaft can be maintained at the BENDING PROCESS In any state.
3. rotating shaft according to claim 2, it is characterised in that the rotating shaft includes bendable portion, institute It is first structure rotary gear shaft to state each the described rotary gear shaft in bendable portion；The first structure gear Rotating shaft is the rotary gear shaft of Double-wheel structure；The rotating shaft includes first gear rotating shaft chain and second gear rotating shaft chain；
In the first gear rotating shaft chain, between adjacent first structure rotary gear shaft by gear teeth meshing together；
In the second gear rotating shaft chain, between adjacent first structure rotary gear shaft by gear teeth meshing together；
In first structure rotary gear shaft in the first gear rotating shaft chain and the second gear rotating shaft chain One structure gear rotating shaft, by way of axle center interlocks, is connected using the first connecting portion part；
During the shaft bending, by the change of the position of engagement between adjacent first structure rotary gear shaft, And the interaction between the first gear rotating shaft chain and the second gear rotating shaft chain, make each adjacent first Angle between structure gear rotating shaft changes.
4. rotating shaft according to claim 3, it is characterised in that the rotating shaft also includes driving section, institute Multiple connection members are stated also comprising second connecting portion part；Each described rotary gear shaft in the driving section is Second structure gear rotating shaft；Second structure gear rotating shaft is the rotary gear shaft of single-wheel structure；
In the driving section, between adjacent second structure gear rotating shaft by gear teeth meshing together；Each The shaft core position of the second structure gear rotating shaft is provided with the first connecting portion part；And it is arranged on the second structure tooth Each the first connecting portion part in wheel rotating shaft is fixed on the second connecting portion part；
Together with one end of the driving section passes through gear teeth meshing with bendable portion end； Together with another end of the driving section passes through gear teeth meshing with an end of another bendable portion； And the second structure gear rotating shaft positioned at the driving section end and the first structure tooth for being located at bendable portion end Wheel rotating shaft is connected by axle center mode using the first connecting portion part；
During the shaft bending, by the change of the position of engagement between adjacent second structure gear rotating shaft, So that the angle in the driving section between adjacent second structure gear axle does not change.
5. rotating shaft according to claim 4, it is characterised in that the second structure described in the driving section The number of rotary gear shaft is odd number；During the shaft bending, the driving section two ends have identical Rotation direction.
6. rotating shaft according to claim 4, it is characterised in that the second structure described in the driving section The number of rotary gear shaft is even number；During the shaft bending, the driving section two ends have opposite Rotation direction.
7. a kind of electronic equipment, the electronic equipment includes：
Housing；
Flexible screen；
Rotating shaft；
The flexible screen is fixed in the housing, the rotating shaft by the rigid element of the housing with it is described Housing is fixed；
The rotating shaft includes：
Multiple rotary gear shafts, between adjacent gear rotating shaft by the gear teeth meshing on rotary gear shaft together, use After an external force is born, nibble each generation in the multiple rotary gear shaft by the change of the position of engagement Transmission is closed, so that the shaft bending is to the state under pre-conditioned；
Multiple connection members, for connecting the gear-like rotating shaft.
8. electronic equipment according to claim 7, it is characterised in that the multiple connection member is included The first connecting portion part, is arranged on the shaft core position of the rotary gear shaft, for during the shaft bending, Frictional force is produced in the contact surface with the rotary gear shaft, so as to the rotating shaft can be maintained at described bend through Any state in journey.
9. electronic equipment according to claim 8, it is characterised in that the rotating shaft includes bendable portion, Each described rotary gear shaft in the bendable portion is first structure rotary gear shaft；The first structure tooth Wheel rotating shaft is the rotary gear shaft of Double-wheel structure；The rotating shaft includes first gear rotating shaft chain and second gear rotating shaft Chain；
In the first gear rotating shaft chain, between adjacent first structure rotary gear shaft by gear teeth meshing together；
In the second gear rotating shaft chain, between adjacent first structure rotary gear shaft by gear teeth meshing together；
In first structure rotary gear shaft in the first gear rotating shaft chain and the second gear rotating shaft chain One structure gear rotating shaft, by way of axle center interlocks, is connected using the first connecting portion part；
During the shaft bending, by the change of the position of engagement between adjacent first structure rotary gear shaft, And the interaction between the first gear rotating shaft chain and the second gear rotating shaft chain, make each adjacent first Angle between structure gear rotating shaft changes.
10. electronic equipment according to claim 9, it is characterised in that the rotating shaft also includes transmission Portion, the multiple connection member also includes second connecting portion part；Each described gear in the driving section Rotating shaft is the second structure gear rotating shaft；Second structure gear rotating shaft is the rotary gear shaft of single-wheel structure；
In the driving section, between adjacent second structure gear rotating shaft by gear teeth meshing together；Each The shaft core position of the second structure gear rotating shaft is provided with the first connecting portion part；And it is arranged on the second structure tooth Each the first connecting portion part in wheel rotating shaft is fixed on the second connecting portion part；
Together with one end of the driving section passes through gear teeth meshing with bendable portion end； Together with another end of the driving section passes through gear teeth meshing with an end of another bendable portion； And the second structure gear rotating shaft positioned at the driving section end and the first structure tooth for being located at bendable portion end Wheel rotating shaft is connected by axle center using the first connecting portion part；
During the shaft bending, by the change of the position of engagement between adjacent second structure gear rotating shaft, So that the angle in the driving section between adjacent second structure gear axle does not change.
11. electronic equipments according to claim 10, it is characterised in that described in the driving section The number of two structure gear rotating shafts is odd number；During the shaft bending, the driving section two ends tool There is identical rotation direction.
12. electronic equipments according to claim 10, it is characterised in that described in the driving section The number of two structure gear rotating shafts is even number；During the shaft bending, the driving section two ends tool There is opposite rotation direction.
13. electronic equipments according to claim 10, it is characterised in that the rotating shaft sets including interval The bending section and driving section put, the outer end of the bending section at rotating shaft two ends connect support member, shaft bending respectively Under state, support member bends in the opposite direction so that two support members and at least one driving section are flat OK；
Or, the rotating shaft includes the support member of the bending section and driving section at interval and interval bending section, The outer end of the bending section at rotating shaft two ends connects support member respectively, under shaft bending state, with bending section outer end Two support members of connection bend in the opposite direction so that three support members and at least one driving section It is parallel.
14. electronic equipments according to claim 10, it is characterised in that the rotating shaft sets including interval The bending section and driving section put, the outer end of the bending section at rotating shaft two ends connect support member, shaft bending respectively Under state, support member bends to identical direction so that two support members and at least one driving section are flat OK.
15. electronic equipment according to any one of claim 7 to 14, it is characterised in that the electronics Equipment has at least one set of rotating shaft.
16. electronic equipments according to claim 15, it is characterised in that the neutral line of the rotating shaft with The neutral line of the electronic equipment overlaps.
CN201510990144.0A 2015-12-24 2015-12-24 A kind of rotating shaft and electronic equipment Pending CN106917814A (en)

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