CN205371288U

CN205371288U - Rotary shaft and electronic equipment

Info

Publication number: CN205371288U
Application number: CN201521100828.0U
Authority: CN
Inventors: 范小利; 马雷; 左常龙
Original assignee: Lenovo Beijing Ltd
Current assignee: Lenovo Beijing Ltd
Priority date: 2015-12-24
Filing date: 2015-12-24
Publication date: 2016-07-06
Anticipated expiration: 2025-12-24

Abstract

The utility model discloses a rotary shaft and electronic equipment. Wherein, the pivot includes: between the adjacent gear rotor shaft through the tooth mesh on the gear rotor shaft together, bear an external force after, the change through the position of engagement makes each production meshing transmission among a plurality of gear rotor shaft, so that a plurality of gear rotor shaft of the state under pivot bending to the condition of predetermineeing, and connect a plurality of adapting unit of gear form pivot.

Description

A kind of rotating shaft and electronic equipment

Technical field

This utility model relates to the rotating shaft technology of electronic equipment, particularly relates to a kind of rotating shaft and electronic equipment.

Background technology

Along with science and technology is growing, having been proposed that the concept of flexible screen equipment in electronic device field, namely electronic equipment has a flexible screen, this flexible screen can promote the feel of user, and more frivolous on volume, also low in power consumption, hence help to promote the flying power of electronic equipment.Meanwhile, based on its can completely, the good characteristic of pliability, its robustness is also much higher than conventional screen, reduces the probability of equipment accidental injury.

Owing to the pliability of flexible screen is fine, it is possible to make the viewing area area of electronic equipment be greatly increased, be user-friendly to.But, the increase of viewing area area can increase the volume of equipment, so needing to design suitable rotating shaft so that flexible screen equipment can fold, and to reduce the volume of equipment, is convenient for carrying.

But, also there is not any design about flexible screen equipment rotating shaft at present.

Utility model content

For solving the technical problem of existing existence, this utility model embodiment provides a kind of rotating shaft and electronic equipment.

For reaching above-mentioned purpose, the technical scheme of this utility model embodiment is achieved in that

This utility model embodiment provides a kind of rotating shaft, including:

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 in the plurality of rotary gear shaft is made to produce engaged transmission by the change of the position of engagement, so that described shaft bending is to the state under pre-conditioned；

Multiple connection members, are used for connecting described gear-like rotating shaft.

In such scheme, the plurality of connection member comprises the first connection member, is arranged on the shaft core position of described rotary gear shaft, in described shaft bending process, frictional force is produced, so that described rotating shaft can be maintained at any state in described BENDING PROCESS at the contact surface with described rotary gear shaft.

In such scheme, described rotating shaft includes bendable portion, and each the described rotary gear shaft in described bendable portion is the first structure gear rotating shaft；Described first structure gear rotating shaft is the rotary gear shaft of Double-wheel structure；Described rotating shaft comprises the first rotary gear shaft chain and the second rotary gear shaft chain；

In described first rotary gear shaft chain, between adjacent first structure rotary gear shaft by gear teeth meshing together；

In described second rotary gear shaft chain, between adjacent first structure rotary gear shaft by gear teeth meshing together；

The first structure gear rotating shaft in described first rotary gear shaft chain and the first structure gear rotating shaft in described second rotary gear shaft chain, by the mode that axle center is staggered, adopt described first connection member to connect；

In described shaft bending process, by the change of the position of engagement between adjacent first structure rotary gear shaft, and the interaction between described first rotary gear shaft chain and described second rotary gear shaft chain, make the angle between each adjacent first structure rotary gear shaft all change.

In such scheme, described rotating shaft also includes driving section, and the plurality of connection member also comprises the second connection member；Each described rotary gear shaft in described driving section is the second structure gear rotating shaft；Described second structure gear rotating shaft is the rotary gear shaft of single-wheel structure；

In described driving section, between adjacent second structure gear rotating shaft by gear teeth meshing together；The shaft core position of each second structure gear rotating shaft is provided with described first connection member；And each first connection member being arranged in the second structure gear rotating shaft is fixed in described second connection member；

One end of described driving section is passed through together with gear teeth meshing with an end of a bendable portion；Together with gear teeth meshing is passed through with an end of another bendable portion in another end of described driving section；And it is positioned at the second structure gear rotating shaft of end, described driving section with the first structure gear rotating shaft being positioned at bendable portion end by axle center mode, adopt described first connection member to connect；

In described shaft bending process, by the change of the position of engagement between adjacent second structure gear rotating shaft so that in described driving section, the angle between adjacent second structure gear axle does not change.

In such scheme, described in described driving section, the number of the second structure gear rotating shaft is odd number；In described shaft bending process, two ends, described driving section have identical rotation direction.

In such scheme, described in described driving section, the number of the second structure gear rotating shaft is even number；In described shaft bending process, two ends, described driving section have contrary rotation direction.

This utility model embodiment additionally provides a kind of electronic equipment, including:

Housing；

Flexible screen；

Rotating shaft；

Described flexible screen is fixed in described housing, and described rotating shaft is fixed by the rigid element of described housing and described housing；

Described rotating shaft includes:

One end of described driving section is passed through together with gear teeth meshing with an end of a bendable portion；Together with gear teeth meshing is passed through with an end of another bendable portion in another end of described driving section；And it is positioned at the second structure gear rotating shaft of end, described driving section with the first structure gear rotating shaft being positioned at bendable portion end by axle center, adopt described first connection member to connect；

In such scheme, described rotating shaft includes spaced bending section and driving section, and the outer end of the bending section at rotating shaft two ends connects support parts respectively, under shaft bending state, support parts to bend in the opposite direction so that two support parts are parallel with at least one driving section；

Or, described rotating shaft includes the bending section at interval and the support parts of driving section and interval bending section, the outer end of the bending section at rotating shaft two ends connects support parts respectively, under shaft bending state, two be connected with bending section outer end support parts and bend in the opposite direction so that three support parts are parallel with at least one driving section.

In such scheme, described rotating shaft includes spaced bending section and driving section, and the outer end of the bending section at rotating shaft two ends connects support parts respectively, under shaft bending state, support parts to bend to identical direction so that two support parts are parallel with at least one driving section.

In such scheme, described electronic equipment has least one set rotating shaft.

In such scheme, the neutral line of described rotating shaft overlaps with the neutral line of described electronic equipment.

The rotating shaft of this utility model embodiment offer and electronic equipment, rotating shaft includes multiple rotary gear shaft, between adjacent gear rotating shaft by the gear teeth meshing on rotary gear shaft together, and connect described gear-like rotating shaft by multiple connection members, after bearing an external force, each in the plurality of rotary gear shaft is made to produce engaged transmission by the change of the position of engagement, so that described shaft bending is to the state under pre-conditioned；By the combination of multiple rotary gear shafts and connection member, form the rotating shaft that can bend, and then when rotating shaft is for time in flexible screen electronic equipment, it is possible to making flexible screen electronic equipment fold, thus reducing the volume of equipment, being convenient for carrying.

Accompanying drawing explanation

In accompanying drawing (it is not necessarily drawn to scale), similar accompanying drawing labelling can at parts similar described in different views.The similar reference numerals with different letter suffix can represent the different examples of similar component.Accompanying drawing generally shows each embodiment discussed herein by way of example and not limitation.

Fig. 1 is the pivot structure schematic diagram after this utility model embodiment one bending；

Fig. 2 is the structural representation of this utility model embodiment the first structure gear rotating shaft；

Fig. 3 is the rotating shaft schematic diagram that this utility model embodiment one is in straight configuration；

Fig. 4 is the rotating shaft schematic diagram of a kind of form in this utility model embodiment one BENDING PROCESS；

Fig. 5 is the rotating shaft schematic diagram of another kind of form in this utility model embodiment one BENDING PROCESS；

Fig. 6 is this utility model embodiment the first connection member schematic shapes；

Fig. 7 is the first connection member schematic diagram after this utility model embodiment one connects；

Fig. 8 is the pivot structure schematic diagram after this utility model embodiment two bending；

Fig. 9 is the structural representation of this utility model embodiment the second structure gear rotating shaft；

Figure 10 is the rotating shaft schematic diagram that this utility model embodiment two is in straight configuration；

Figure 11 is the rotating shaft schematic diagram of a kind of form in this utility model embodiment two BENDING PROCESS；

Figure 12 is the rotating shaft schematic diagram of another kind of form in this utility model embodiment two BENDING PROCESS；

Figure 13 is the rotating shaft schematic diagram of the third form in this utility model embodiment two BENDING PROCESS；

Figure 14 is the rotating shaft schematic diagram of the 4th kind of form in this utility model embodiment two BENDING PROCESS；

Figure 15 is the pivot structure schematic diagram after this utility model embodiment three bending；

Figure 16 is the rotating shaft schematic diagram that this utility model embodiment three is in straight configuration；

Figure 17 is the rotating shaft schematic diagram of a kind of form in this utility model embodiment three BENDING PROCESS；

Figure 18 is the rotating shaft schematic diagram of another kind of form in this utility model embodiment three BENDING PROCESS；

Figure 19 is the rotating shaft schematic diagram of the third form in this utility model embodiment three BENDING PROCESS；

Figure 20 is the rotating shaft schematic diagram of the 4th kind of form in this utility model embodiment three BENDING PROCESS；

Figure 21 is the rotating shaft schematic diagram of the 5th kind of form in this utility model embodiment three BENDING PROCESS；

Figure 22 is the pivot structure schematic diagram after this utility model embodiment four bending；

Figure 23 is the rotating shaft schematic diagram that this utility model embodiment four is in straight configuration；

Figure 24 is the rotating shaft schematic diagram of a kind of form in this utility model embodiment four BENDING PROCESS；

Figure 25 is the rotating shaft schematic diagram of another kind of form in this utility model embodiment four BENDING PROCESS；

Figure 26 is the rotating shaft schematic diagram of the third form in this utility model embodiment four BENDING PROCESS；

Figure 27 is the pivot structure schematic diagram after this utility model embodiment five bending；

Figure 28 is the rotating shaft schematic diagram that this utility model embodiment five is in straight configuration；

Figure 29 is the rotating shaft schematic diagram of a kind of form in this utility model embodiment five BENDING PROCESS；

Figure 30 is the rotating shaft schematic diagram of another kind of form in this utility model embodiment five BENDING PROCESS；

Figure 31 is a kind of electronic equipment schematic diagram after this utility model embodiment six folds；

Figure 32 is the another kind of electronic equipment schematic diagram after this utility model embodiment six folds；

Figure 33 is the third electronic equipment schematic diagram after this utility model embodiment six folds；

Figure 34 is the 4th kind of electronic equipment schematic diagram after this utility model embodiment six folds；

Figure 35 is the electronic equipment front view that this utility model embodiment six is in straight configuration.

Detailed description of the invention

Below in conjunction with drawings and Examples, this utility model is described in further detail again.

In various embodiments of the present utility model: the rotating shaft that this utility model embodiment provides includes:

Additionally, the plurality of connection member comprises the first connection member, is arranged on the shaft core position of described rotary gear shaft, in described shaft bending process, frictional force is produced, so that described rotating shaft can be maintained at any state in described BENDING PROCESS at the contact surface with described rotary gear shaft.

In one embodiment, during practical application, it is possible to design the case of bending of described rotating shaft as required, such as C type structure, Z-type structure, G type structure etc..The case of bending of the described rotating shaft according to design, described rotating shaft needs to include bendable portion, and each the described rotary gear shaft in described bendable portion is the first structure gear rotating shaft；Described first structure gear rotating shaft is the rotary gear shaft of Double-wheel structure；Described rotating shaft comprises the first rotary gear shaft chain and the second rotary gear shaft chain；

Further, the case of bending according to the described rotating shaft of design, described rotating shaft can also include driving section, and the plurality of connection member also comprises the second connection member；Each described rotary gear shaft in described driving section is the second structure gear rotating shaft；Described second structure gear rotating shaft is the rotary gear shaft of single-wheel structure；

Wherein it is possible to by the number of the second structure gear rotating shaft described in described driving section, control the rotation direction at two ends, driving section, to reach the case of bending of the described rotating shaft of design.

Specifically, described in described driving section, the number of the second structure gear rotating shaft is odd number；In described shaft bending process, two ends, described driving section have identical rotation direction.

Described in described driving section, the number of the second structure gear rotating shaft is even number；In described shaft bending process, two ends, described driving section have contrary rotation direction.

During practical application, by the combination of multiple rotary gear shafts and connection member, form the rotating shaft that can bend, and this rotating shaft is usable in flexible screen electronic equipment.When needs flexible screen electronic equipment, it is possible to countershaft applies an external force, so that flexible screen electronic equipment is in straight configuration, so, user can pass through to have large-area viewing area and operate accordingly；When not using flexible screen electronic equipment, it is possible to countershaft applies an external force, in order to flexible screen electronic equipment is folded, so that flexible screen electronic equipment is in case of bending, as such, it is possible to reduce the volume of flexible screen electronic equipment, thus convenient for collecting and carrying.

It addition, by the engaged transmission between rotary gear shaft, it is possible to achieve to being accurately positioned of flexible screen electronic equipment.

Illustrate below in conjunction with different embodiment countershafts and the enforceable structure of electronic equipment.

Embodiment one

The present embodiment provides a kind of rotating shaft, as it is shown in figure 1, this rotating shaft includes:

Bendable portion 10, each rotary gear shaft in described bendable portion is the first structure gear rotating shaft 11；As in figure 2 it is shown, described first structure gear rotating shaft is the rotary gear shaft of Double-wheel structure.

More specifically saying, described rotating shaft comprises the first rotary gear shaft chain 12 and the second rotary gear shaft chain 13；Wherein,

In described first rotary gear shaft chain 12, between adjacent first structure rotary gear shaft 11 by gear teeth meshing together；

In described second rotary gear shaft chain 13, between adjacent first structure rotary gear shaft 11 by gear teeth meshing together；

The first structure gear rotating shaft in described first rotary gear shaft chain and the first structure gear rotating shaft in described second rotary gear shaft chain, by the mode that axle center is staggered, adopt the first connection member 14 to connect；

Described first connection member 14, is additionally operable in described shaft bending process, produces frictional force at the contact surface with described rotary gear shaft, so that described rotating shaft can be maintained at any state in described BENDING PROCESS.

When applying after an external force to described rotating shaft, after namely an external force is born in described rotating shaft, each in multiple rotary gear shaft is made to produce engaged transmission by the change of the position of engagement, so that described shaft bending is to the state under pre-conditioned.

Specifically, as shown in Figure 3, described rotating shaft is in straight configuration, after applying an external force to described rotating shaft, each in the plurality of first structure gear rotating shaft 11 is made to produce engaged transmission by the change of the position of engagement, so that described rotating shaft starts bending as shown in Figure 4, along with proceeding of engaged transmission, described rotating shaft can be made to produce bending as shown in Figure 5, and along with carrying out further of engaged transmission, described rotating shaft can be bent to state final as shown in Figure 1.

Certainly, when described rotating shaft is in the case of bending shown in Fig. 1, after applying an external force to described rotating shaft, each in multiple rotary gear shaft is made to produce engaged transmission by the change of the position of engagement, rotating shaft according to the inverse process of Fig. 4,5, can finally present straight configuration as shown in Figure 3.

Wherein, in described shaft bending process, by interaction between change and described first rotary gear shaft chain 12 and the described second rotary gear shaft chain 13 of the position of engagement between adjacent first structure rotary gear shaft 11, the angle between each adjacent first structure rotary gear shaft 11 is made all to change, so that described rotating shaft finally presents the case of bending of C type structure, and by frictional force that the contact surface of described first connection member 14 with described first structure gear rotating shaft 11 produces, it is possible to make described rotating shaft be maintained at the case of bending of C type structure.

nullHere，In described shaft bending process，The gear of the first structure gear rotating shaft 11 in the gear of the first structure gear rotating shaft 11 in described first rotary gear shaft chain 12 and described second rotary gear shaft chain 13 is crisscross arranged，Therefore the angle change when between two gears adjacent in the first rotary gear shaft chain 12 can drive a gear corresponding in the second rotary gear shaft chain 13 to rotate relative to its gear closed on，And this rotation is passed back to the first rotary gear shaft chain 11，In like manner，In second rotary gear shaft chain 13, the angle change between adjacent two gears can drive a gear corresponding in the first rotary gear shaft chain 12 to rotate relative to its gear closed on，And this rotation is passed back to the second rotary gear shaft chain 13，Thus reaching the associated movement of whole described bending section，And then the angle between each adjacent first structure rotary gear shaft 11 made all changes.

Here, owing to described first connection member 14 is arranged in each axle center of the first structure gear rotating shaft 11, so its shape is usually cylinder as shown in Figure 6.

During practical application, it is possible to realized the contact surface generation frictional force of described first connection member 14 and described first structure gear rotating shaft 11 by a lot of techniques, such as:

First kind of way, the outer wall in described first connection member 14 is threaded, and is also provided with corresponding screw thread in the axle center of the first structure gear rotating shaft 11, produces frictional force by the mode of nut, nut；

The second way, increases the diameter of described first connection member 14, close to or the diameter of axle center hole slightly larger than the first structure gear rotating shaft 11, the first structure gear rotating shaft 11 rotation process produces frictional force.

Wherein, during practical application, can design as required, in whole rotating shaft, the any state that described rotating shaft is maintained in described BENDING PROCESS only allows described first connection member 14 being in appropriate location play the contact surface with described first structure gear rotating shaft 11 and produces frictional force, as long as can be made.

Furthermore it is also possible to the rotating shaft position of the first structure gear rotating shaft 11 arranges a spring leaf, assist described first connecting portion 14 by spring leaf, make any state that described rotating shaft is maintained in described BENDING PROCESS.

In one embodiment, in order to be further ensured that the integraty (globality) of rotating shaft, it is to avoid owing to the situation about coming off of the first structure gear rotating shaft 11 occurs in non-artificial factor, as shown in Figure 7, it is possible to multiple first connection members 14 are coupled together.

During practical application, it is possible to the needs according to pivot design, it is determined that the number of the first structure gear rotating shaft 11.

Embodiment two

The present embodiment provides a kind of rotating shaft, and as shown in Figure 8, this rotating shaft includes: spaced bending section 10 and driving section 20；The outer end of the bending section at rotating shaft two ends connects support parts respectively, under described shaft bending state, supports parts and bends in the opposite direction so that two support parts are parallel with at least one driving section；

Each rotary gear shaft in described bendable portion is the first structure gear rotating shaft 11；As in figure 2 it is shown, described first structure gear rotating shaft 11 is the rotary gear shaft of Double-wheel structure；

Each described rotary gear shaft in described driving section is the second structure gear rotating shaft 21；As it is shown in figure 9, the rotary gear shaft that described second structure gear rotating shaft 21 is single-wheel structure；

Wherein, described bendable portion 10 includes: the first rotary gear shaft chain and the second rotary gear shaft chain；

In described first rotary gear shaft chain, between adjacent first structure rotary gear shaft 11 by gear teeth meshing together；

In described second rotary gear shaft chain, between adjacent first structure rotary gear shaft 11 by gear teeth meshing together；

The first structure gear rotating shaft 11 in described first rotary gear shaft chain and the first structure gear rotating shaft 11 in described second rotary gear shaft chain, by the mode that axle center is staggered, adopt the first connection member to connect 14；

In described driving section, between adjacent second structure gear rotating shaft 21 by gear teeth meshing together；The shaft core position of each second structure gear rotating shaft 21 is provided with described first connection member 14；And each first connection member being arranged in the second structure gear rotating shaft to be fixed on described second connection member (not shown, the purpose being fixed on the second connection member is: when the position of engagement changes so that in the first driving section 201, the angle between adjacent second structure gear axle 21 does not change) on；

One end of described driving section is passed through together with gear teeth meshing with an end of a bendable portion；Together with gear teeth meshing is passed through with an end of another bendable portion in another end of described driving section；And it is positioned at the second structure gear rotating shaft 21 of end, described driving section with the first structure gear rotating shaft 11 being positioned at bendable portion end by axle center mode, adopt described first connection member 14 to connect；

Wherein, in described shaft bending process, by interaction between change and two rotary gear shaft chains of each bending section of the position of engagement between adjacent first structure rotary gear shaft 11, the angle between each adjacent first structure rotary gear shaft 11 is made all to change.

In described shaft bending process, by the change of the position of engagement between adjacent second structure gear rotating shaft 21 so that in described driving section, the angle between adjacent second structure gear axle 21 does not change.

Specifically, described rotating shaft includes:

First bending section 101；

Second bending section 102；

3rd bending section 103；

First driving section 201；Described in described first driving section 201, the number of the second structure gear rotating shaft is even number；

Second driving section 202, described in described second driving section 202, the number of the second structure gear rotating shaft is even number；

With the gear teeth first supports parts 151；With the gear teeth second supports parts 152；Described first supports parts 151 differs with the described second length supporting parts 152；

One end of described first bending section 101 supports parts 151 with described first and is with cogged one end by axle center mode, adopts described first connection member 14 to connect；Another end of described first bending section 101 and one end of the first driving section 201, by axle center mode, adopt described first connection member 14 to connect；One end of another end of described first driving section 201 and described second bending section 102, by axle center mode, adopts described first connection member 14 to connect；Another end of described second bending section 102 and an end of the second driving section 202, by axle center mode, adopt described first connection member 14 to connect；One end of another end of the second driving section 202 and described 3rd bending section 103, by axle center mode, adopts described first connection member 14 to connect；One end of the 3rd bending section 103 supports parts 152 with described second and is with cogged one end by axle center mode, adopts described first connection member 14 to connect.

Here, the described first length supporting parts 151 and described second support parts 152 differs；In general, described first supports parts 151 more than the described second length supporting parts 152, so, when, after shaft bending, forming the G type of a standard.So the reason of design is: avoid in BENDING PROCESS, and described first supports parts 151 produces interference problem with described second support parts 152.

As shown in Figure 10, described rotating shaft is in straight configuration, after applying an external force to described rotating shaft, makes each in multiple rotary gear shaft produce engaged transmission by the change of the position of engagement, so that described rotating shaft starts bending, as shown in figure 11；Along with proceeding of engaged transmission, described rotating shaft can be made to produce bending as shown in figure 12, along with carrying out further of engaged transmission, described rotating shaft can be made to produce to bend as shown in fig. 13 that, along with proceeding of engaged transmission, described rotating shaft can be bent to bending as shown in figure 14；Finally, described rotating shaft can be bent to end-state as shown in Figure 8.

Certainly, when described rotating shaft is in the case of bending shown in Fig. 8, after applying an external force to described rotating shaft, each in multiple rotary gear shaft is made to produce engaged transmission by the change of the position of engagement, rotating shaft according to the inverse process of Figure 11-14, can finally present straight configuration as shown in Figure 10.

nullWherein，In transmission process，By interaction between change and two rotary gear shaft chains of each bending section of the position of engagement between adjacent first structure rotary gear shaft 11，The angle between each adjacent first structure rotary gear shaft is made all to change，By the change of the position of engagement between adjacent second structure gear rotating shaft 21，The angle between adjacent second structure gear axle 21 is made in the first driving section 201 not change，And by the second structure gear rotating shaft 21 described in even number，The first two ends, driving section 201 are made to have contrary rotation direction，By the change of the position of engagement between adjacent second structure gear rotating shaft 21，The angle between adjacent second structure gear axle 21 is made in the second driving section 202 not change，And by the second structure gear rotating shaft 21 described in even number，The second two ends, driving section 202 are made to have contrary rotation direction，So that described rotating shaft finally presents the case of bending of G type structure，And the frictional force produced by described first connection member 14 and the contact surface of described first structure gear rotating shaft 11 and/or the frictional force produced by the contact surface of described first connection member 14 with described second structure gear rotating shaft 21，Described rotating shaft can be made to be maintained at the case of bending of G type structure.

In described shaft bending process, in each bending section, the gear of the first structure gear rotating shaft in the gear of the first structure gear rotating shaft in the first rotary gear shaft chain and described second rotary gear shaft chain is crisscross arranged, therefore the angle change when between two gears adjacent in the first rotary gear shaft chain can drive a gear corresponding in the second rotary gear shaft chain to rotate relative to its gear closed on, and this rotation is passed back to the first rotary gear shaft chain, in like manner, in second rotary gear shaft chain, the angle change between adjacent two gears can drive a gear corresponding in the first rotary gear shaft chain to rotate relative to its gear closed on, and this rotation is passed back to the second rotary gear shaft chain, thus reaching the associated movement of whole described bending section, and then the angle between each adjacent first structure rotary gear shaft made all changes.

Here, owing to described first connection member 14 is arranged in each axle center of the first structure gear rotating shaft 11 and the second structure gear rotating shaft 21, so its shape is usually cylinder as shown in Figure 6.

During practical application, it is possible to realized the contact surface generation frictional force of described first connection member 14 and described first structure gear rotating shaft 11 and the second structure gear rotating shaft 21 by a lot of techniques, such as:

First kind of way, the outer wall in described first connection member 14 is threaded, and is also provided with corresponding screw thread in the axle center of the first structure gear rotating shaft 11 and the second structure gear rotating shaft 21, produces frictional force by the mode of nut, nut；

The second way, increase the diameter of described first connection member 14, close to or slightly larger than the diameter of the first structure gear rotating shaft 11 and the axle center hole of the second structure gear rotating shaft 21, the first structure gear rotating shaft 11 and the second structure gear rotating shaft 21 rotation process produce frictional force.

Wherein, during practical application, can design as required, in whole rotating shaft, the any state that described rotating shaft is maintained in described BENDING PROCESS only allows described first connection member 14 being in appropriate location play the contact surface with described first structure gear rotating shaft 11 and the second structure gear rotating shaft 21 and produces frictional force, as long as can be made.

Furthermore it is also possible to the rotating shaft position of the first structure gear rotating shaft 11 and the second structure gear rotating shaft 21 arranges a spring leaf, assist described first connecting portion 14 by spring leaf, make any state that described rotating shaft is maintained in described BENDING PROCESS.

During practical application, it is possible to the needs according to pivot design, it is determined that the number of the first structure gear rotating shaft 11 and the second structure gear rotating shaft 21.

Embodiment three

The present embodiment provides a kind of rotating shaft, and as shown in figure 15, this rotating shaft includes: spaced bending section and driving section；The outer end of the bending section at rotating shaft two ends connects support parts respectively, under described shaft bending state, supports parts and bends in the opposite direction so that three support parts are parallel with at least one driving section；

Each rotary gear shaft in described bendable portion is the first structure gear rotating shaft 11；As in figure 2 it is shown, described first structure gear rotating shaft is the rotary gear shaft of Double-wheel structure；

Wherein, described bendable portion includes: the first rotary gear shaft chain and the second rotary gear shaft chain；

In described driving section, between adjacent second structure gear rotating shaft 21 by gear teeth meshing together；The shaft core position of each second structure gear rotating shaft 21 is provided with described first connection member 14；And each first connection member being arranged in the second structure gear rotating shaft to be fixed on described second connection member not shown, the purpose being fixed on the second connection member is: when the position of engagement changes so that in the first driving section 201, the angle between adjacent second structure gear axle 21 does not change) on；

Specifically, described rotating shaft includes:

4th bending section 104；

5th bending section 105；

6th bending section 106；

3rd driving section 203；Described in described 3rd driving section 203, the number of the second structure gear rotating shaft 21 is even number；

With the gear teeth the 3rd supports parts 153；With the gear teeth the 4th supports parts 154；With the gear teeth the 5th supports parts 155；

One end of described 4th bending section 104 supports parts 153 with the described 3rd and is with cogged one end by axle center mode, adopts described first connection member 14 to connect；Another end of described 4th bending section 104 and one end of the 3rd driving section 203, by axle center mode, adopt described first connection member 14 to connect；Another end of described 3rd driving section 203 and an end of described 5th bending section 105, by axle center mode, adopt described first connection member 14 to connect；Another end of described 5th bending section 105 supports one end of parts 154 by axle center mode with the described 4th, adopts described first connection member 14 to connect；Described 4th supports the other end of parts 154 with one end of described 6th bending section 106 by axle center mode, adopts described first connection member 14 to connect；The other end of described 6th bending section 106 supports parts 155 with the described 5th and is with cogged one end by axle center mode, adopts described first connection member 14 to connect.

As shown in figure 16, described rotating shaft is in straight configuration, after applying an external force to described rotating shaft, makes each in multiple rotary gear shaft produce engaged transmission by the change of the position of engagement, so that described rotating shaft starts bending, as shown in figure 17；Along with proceeding of engaged transmission, described rotating shaft can be made to produce bending as shown in figure 18, along with carrying out further of engaged transmission, described rotating shaft can be made to produce bending as shown in figure 19, along with proceeding of engaged transmission, described rotating shaft can be bent to bending as shown in figure 20；Along with carrying out further of engaged transmission, described rotating shaft can be bent to bending as shown in figure 21；Finally, described rotating shaft can be bent to final state as shown in figure 15.

Certainly, when described rotating shaft is in the case of bending shown in Figure 15, after applying an external force to described rotating shaft, each in multiple rotary gear shaft is made to produce engaged transmission by the change of the position of engagement, rotating shaft according to the inverse process of Figure 17-21, can finally present straight configuration as shown in figure 16.

nullWherein，In transmission process，By interaction between change and two rotary gear shaft chains of each bending section of the position of engagement between adjacent first structure rotary gear shaft 11，The angle between each adjacent first structure rotary gear shaft 11 is made all to change，By the change of the position of engagement between adjacent second structure gear rotating shaft 21，The angle between adjacent second structure gear axle 21 is made in three driving sections 203 not change，And by the second structure gear rotating shaft 21 described in even number，The 3rd two ends, driving section 203 are made to have contrary rotation direction，So that described rotating shaft finally presents the case of bending of G type structure，And by frictional force that the contact surface of described first connection member 14 with described first structure gear rotating shaft 11 produces，And/or by frictional force that the contact surface of described first connection member 14 with described second structure gear rotating shaft 21 produces，Described rotating shaft can be made to be maintained at the case of bending of G type structure.

Embodiment four

The present embodiment provides a kind of rotating shaft, as shown in figure 22, this rotating shaft includes: spaced bending section and driving section, the outer end of the bending section at rotating shaft two ends connects support parts respectively, under shaft bending state, support parts to bend to identical direction so that two support parts are parallel with at least one driving section；

Specifically, described rotating shaft includes:

7th bending section 107；

8th bending section 108；

4th driving section 204；Described in described 4th driving section 204, the number of the second structure gear rotating shaft 21 is odd number；

With the gear teeth the 6th supports parts 156；With the gear teeth the 7th supports parts 157；

One end of described 7th bending section 107 supports parts 156 with the described 6th and is with cogged one end by axle center mode, adopts described first connection member 14 to connect；Another end of described 7th bending section 107 and one end of the 4th driving section 204, by axle center mode, adopt described first connection member 14 to connect；Another end of described 4th driving section 204 and an end of described 8th bending section 108, by axle center mode, adopt described first connection member 14 to connect；Another end of described 8th bending section 108 supports parts 157 with the described 7th and is with cogged one end by axle center mode, adopts described first connection member 14 to connect.

As shown in figure 23, described rotating shaft is in straight configuration, after applying an external force to described rotating shaft, makes each in multiple rotary gear shaft produce engaged transmission by the change of the position of engagement, so that described rotating shaft starts bending, as shown in figure 24；Along with proceeding of engaged transmission, described rotating shaft can be made to produce bending as shown in figure 25, along with carrying out further of engaged transmission, described rotating shaft can be made to produce bending as shown in figure 26；Finally, described rotating shaft can be bent to end-state as shown in figure 22.

Certainly, when described rotating shaft is in the case of bending shown in Figure 22, after applying an external force to described rotating shaft, each in multiple rotary gear shaft is made to produce engaged transmission by the change of the position of engagement, rotating shaft according to the inverse process of Figure 24-26, can finally present straight configuration as shown in figure 23.

nullWherein，In transmission process，By interaction between change and two rotary gear shaft chains of each bending section of the position of engagement between adjacent first structure rotary gear shaft 11，The angle between each adjacent first structure rotary gear shaft 11 is made all to change，By the change of the position of engagement between adjacent second structure gear rotating shaft 21，The angle between adjacent second structure gear axle 21 is made in described 4th driving section 204 not change，And by the second structure gear rotating shaft 21 described in odd number，The 4th two ends, driving section 204 are made to have identical rotation direction，So that described rotating shaft finally presents the case of bending of Z-type structure，And by frictional force that the contact surface of described first connection member 14 with described first structure gear rotating shaft 11 produces，And/or by frictional force that the contact surface of described first connection member 14 with described second structure gear rotating shaft 21 produces，Described rotating shaft can be made to be maintained at the case of bending of G type structure.

Embodiment five

The present embodiment provides a kind of rotating shaft, as shown in figure 27, this rotating shaft includes: spaced bending section and driving section, the outer end of the bending section at rotating shaft two ends connects support parts respectively, under shaft bending state, support parts to bend to identical direction so that two support parts are vertical with at least one driving section；

Specifically, described 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；Described in described 5th driving section 205, the number of the second structure gear rotating shaft 21 is even number；

6th driving section 206；Described in described 6th driving section 206, the number of the second structure gear rotating shaft 21 is odd number；

7th driving section 207；Described in described 7th driving section 207, the number of the second structure gear rotating shaft 21 is odd number；

8th driving section 208；Described in described 8th driving section 208, the number of the second structure gear rotating shaft 21 is even number；

With the gear teeth the 8th supports parts 158；With the gear teeth the 9th supports parts 159；

One end of described 9th bending section 109 supports parts 158 with the described 8th and is with cogged one end by axle center mode, adopts described first connection member 14 to connect；Another end of described 9th bending section 108 and one end of the 5th driving section 205, by axle center mode, adopt described first connection member 14 to connect；Another end of described 5th driving section 205 and an end of described tenth bending section 1010, by axle center mode, adopt described first connection member 14 to connect；Another end of described tenth bending section 1010 and the 6th driving section 206, by axle center mode, adopt described first connection member 14 to connect；Another end of described 6th driving section 206 and an end of the 11st bending section 1011, by axle center mode, adopt described first connection member 14 to connect；Another end of 11st bending section 1011 and an end of the 7th driving section 207, by axle center mode, adopt described first connection member 14 to connect；One end of described 7th another end, driving section 207 and the 12nd bending section 1012, by axle center mode, adopts described first connection member 14 to connect；Another end of 12nd bending section 1012 and an end of the 8th driving section 208, by axle center mode, adopt described first connection member 14 to connect；One end of the 8th driving section 208 and an end of the 13rd bending section 1013, by axle center mode, adopt described first connection member 14 to connect；Another end of 13rd bending section 1013 supports parts 159 with the described 9th and is with cogged one end by axle center mode, adopts described first connection member 14 to connect.

As shown in figure 28, described rotating shaft is in straight configuration, after applying an external force to described rotating shaft, makes each in multiple rotary gear shaft produce engaged transmission by the change of the position of engagement, so that described rotating shaft starts bending, as shown in figure 29；Along with proceeding of engaged transmission, described rotating shaft can be made to produce bending as shown in figure 30；Finally, described rotating shaft can be bent to end-state as shown in figure 27.

Certainly, when described rotating shaft is in the case of bending shown in Figure 27, after applying an external force to described rotating shaft, each in multiple rotary gear shaft is made to produce engaged transmission by the change of the position of engagement, rotating shaft according to the inverse process of Figure 29-30, can finally present straight configuration as shown in figure 28.

nullWherein，In transmission process，By interaction between change and two rotary gear shaft chains of each bending section of the position of engagement between adjacent first structure rotary gear shaft 11，The angle between each adjacent first structure rotary gear shaft 11 is made all to change，By the change of the position of engagement between adjacent second structure gear rotating shaft 21，The angle between adjacent second structure gear axle 21 is made in each driving section not change，And by the second structure gear rotating shaft 21 described in even number，The 5th driving section 205 and the 8th two ends, driving section 208 are made to have contrary rotation direction，By the second structure gear rotating shaft 21 described in odd number，The 6th driving section 206 and the 7th two ends, driving section 207 are made to have identical rotation direction so that described rotating shaft finally presents the case of bending of ∑ type structure，And by frictional force that the contact surface of described first connection member 14 with described first structure gear rotating shaft 11 produces，And/or by frictional force that the contact surface of described first connection member 14 with described second structure gear rotating shaft 21 produces，Described rotating shaft can be made to be maintained at the case of bending of ∑ type structure.

Embodiment six

The present embodiment provides a kind of electronic equipment, and this electronic equipment includes:

Housing；

Flexible screen；

Rotating shaft；

Described rotating shaft includes:

Wherein, during practical application, the rotating shaft of described electronic equipment can adopt the rotating shaft (C type rotating shaft) that embodiment one describes.In this case, when described electronic equipment is in completely folded state, as shown in figure 31, due to the effect of rotating shaft so that described electronic equipment outward appearance presents C type outward appearance.

The rotating shaft of described electronic equipment can also adopt the rotating shaft (G type rotating shaft) that embodiment two, three describes.In this case, when described electronic equipment is in completely folded state, as shown in figure 32, due to the effect of rotating shaft so that described electronic equipment outward appearance presents G type outward appearance.

The rotating shaft of described electronic equipment can also adopt the rotating shaft (Z-type rotating shaft) that embodiment four describes.In this case, when described electronic equipment is in completely folded state, as shown in figure 33, due to the effect of rotating shaft so that described electronic equipment outward appearance presents Z-type outward appearance.

Certainly, the rotating shaft of described electronic equipment can also adopt the rotating shaft (∑ type rotating shaft) that embodiment five describes.In this case, when described electronic equipment is in completely folded state, as shown in figure 34, due to the effect of rotating shaft so that described electronic equipment outward appearance presents ∑ type outward appearance.

Here, during practical application, described electronic equipment can have least one set rotating shaft.In other words, the needs according to actual product, rotating shaft can have least one set rotating shaft.

When described electronic equipment has at least two group rotating shafts, it is possible to the practical situation according to product, it is determined that the position of at least two group rotating shafts, such as it is positioned at the centre position being respectively positioned on flexible screen, or is respectively positioned on the side of flexible screen, or be positioned at the both sides of flexible screen.

Here, when described electronic equipment has at least two group rotating shafts, two groups of rotating shafts in described at least two group rotating shafts may be located at the outside of described flexible screen, so, it is avoided that the problem that the curling situation in the two ends occurring in described electronic equipment differs, so that can fold well between rotating shaft, shell, flexible screen.

Wherein, as shown in figure 35, when facing electronic equipment, then the both sides of described flexible screen refer to: the both sides up and down of flexible screen.

In order to avoid during due to bending, internal-and external diameter difference causes that rotating shaft dislocation vacancy occurs at end, affect the rolled state of end, so that can fold well between rotating shaft, shell, flexible screen, it is possible to make the neutral line of described rotating shaft overlap with the neutral line of described electronic equipment.

The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with described scope of the claims.

Claims

1. a rotating shaft, it is characterised in that described rotating shaft includes:

Between adjacent gear rotating shaft by the gear teeth meshing on rotary gear shaft together, after bearing an external force, each in the plurality of rotary gear shaft is made to produce engaged transmission by the change of the position of engagement, so that described shaft bending is to multiple rotary gear shafts of the state under pre-conditioned；And

Connect multiple connection members of described gear-like rotating shaft.

2. rotating shaft according to claim 1, it is characterised in that the plurality of connection member comprises the first connection member；Described first connection member is be arranged on the shaft core position of described rotary gear shaft, in described shaft bending process, is producing frictional force with the contact surface of described rotary gear shaft, so that the connection member of the described rotating shaft any state that can be maintained in described BENDING PROCESS.

3. rotating shaft according to claim 2, it is characterised in that described rotating shaft includes bendable portion, each the described rotary gear shaft in described bendable portion is the first structure gear rotating shaft；Described first structure gear rotating shaft is the rotary gear shaft of Double-wheel structure；Described rotating shaft comprises the first rotary gear shaft chain and the second rotary gear shaft chain；

4. rotating shaft according to claim 3, it is characterised in that described rotating shaft also includes driving section, and the plurality of connection member also comprises the second connection member；Each described rotary gear shaft in described driving section is the second structure gear rotating shaft；Described second structure gear rotating shaft is the rotary gear shaft of single-wheel structure；

5. rotating shaft according to claim 4, it is characterised in that described in described driving section, the number of the second structure gear rotating shaft is odd number；In described shaft bending process, two ends, described driving section have identical rotation direction.

6. rotating shaft according to claim 4, it is characterised in that described in described driving section, the number of the second structure gear rotating shaft is even number；In described shaft bending process, two ends, described driving section have contrary rotation direction.

7. an electronic equipment, described electronic equipment includes:

Housing；

Flexible screen；

Rotating shaft；

Described rotating shaft includes:

Connect the described multiple connection member of gear-like rotating shaft.

8. electronic equipment according to claim 7, it is characterised in that the plurality of connection member comprises the first connection member；Described first connection member is be arranged on the shaft core position of described rotary gear shaft, in described shaft bending process, is producing frictional force with the contact surface of described rotary gear shaft, so that the connection member of the described rotating shaft any state that can be maintained in described BENDING PROCESS.

9. electronic equipment according to claim 8, it is characterised in that described rotating shaft includes bendable portion, each the described rotary gear shaft in described bendable portion is the first structure gear rotating shaft；Described first structure gear rotating shaft is the rotary gear shaft of Double-wheel structure；Described rotating shaft comprises the first rotary gear shaft chain and the second rotary gear shaft chain；

10. electronic equipment according to claim 9, it is characterised in that described rotating shaft also includes driving section, and the plurality of connection member also comprises the second connection member；Each described rotary gear shaft in described driving section is the second structure gear rotating shaft；Described second structure gear rotating shaft is the rotary gear shaft of single-wheel structure；

11. electronic equipment according to claim 10, it is characterised in that described in described driving section, the number of the second structure gear rotating shaft is odd number；In described shaft bending process, two ends, described driving section have identical rotation direction.

12. electronic equipment according to claim 10, it is characterised in that described in described driving section, the number of the second structure gear rotating shaft is even number；In described shaft bending process, two ends, described driving section have contrary rotation direction.

13. electronic equipment according to claim 10, it is characterized in that, described rotating shaft includes spaced bending section and driving section, the outer end of the bending section at rotating shaft two ends connects support parts respectively, under shaft bending state, support parts to bend in the opposite direction so that two support parts are parallel with at least one driving section；

14. electronic equipment according to claim 10, it is characterized in that, described rotating shaft includes spaced bending section and driving section, the outer end of the bending section at rotating shaft two ends connects support parts respectively, under shaft bending state, support parts to bend to identical direction so that two support parts are parallel with at least one driving section.

15. according to the electronic equipment described in any one of claim 7 to 14, it is characterised in that described electronic equipment has least one set rotating shaft.

16. electronic equipment according to claim 15, it is characterised in that the neutral line of described rotating shaft overlaps with the neutral line of described electronic equipment.