CN110154923A

CN110154923A - Rotating mechanism and vehicle for display terminal

Info

Publication number: CN110154923A
Application number: CN201810142912.0A
Authority: CN
Inventors: 王晓文; 崔超; 张晓茹; 白胜
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2018-02-11
Filing date: 2018-02-11
Publication date: 2019-08-23
Anticipated expiration: 2038-02-11
Also published as: CN110154923B

Abstract

The invention discloses a kind of rotating mechanism and vehicle for display terminal, the rotating mechanism includes: installation unit, clutch unit and driving unit, and the installation unit is for installing display terminal；The clutch unit includes clutch component, and the clutch component has the first joint portion and the second joint portion worked in coordination, and first joint portion is connect with the installation unit；The driving unit has the output section of exportable torque, and the output section and second joint portion are detachably connected and can transmit torque, and first joint portion and the second joint portion are often mutually locked.Rotating mechanism can realize the rotation of display terminal as a result, and then can be realized display terminal in any angle rotation or predetermined angle rotation of the plane where display screen, and the rotating mechanism realizes that modularization, versatility be good, easy disassembly.

Description

Rotating mechanism and vehicle for display terminal

Technical field

The present invention relates to technical field of vehicle, in particular to a kind of rotating mechanism and vehicle for display terminal ?.

Background technique

In the related technology, requirement with Hyundai Motor in entertainment orientation, intelligence is continuously improved and mobile device Become increasingly popular so that multimedia function, form are increasingly rich, can with mobile phone, computer interconnection, can be connect with internet it is more Function, large scale touch screen have become the main trend of future development, but at present the fixed form of touch screen mostly with transverse screen or The single-mode of vertical screen is directly fixed on instrument desk.This form is in images resources such as picture and the videos for facing different size When can not achieve equal proportion, full screen display, while can not take into account different user personal use habit.

Summary of the invention

The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of use In the rotating mechanism of display terminal, which can realize the rotation of display terminal, and then can be realized display terminal aobvious Any angle of plane where display screen rotates or predetermined angle rotation, and the rotating mechanism realizes modularization, general The good, easy disassembly of property.

The invention also provides a kind of vehicles with the rotating mechanism.

Rotating mechanism according to an embodiment of the present invention for display terminal includes: installation unit, clutch unit and drive Moving cell, the installation unit is for installing display terminal；The clutch unit includes clutch component, the clutch component tool There are the first joint portion and the second joint portion worked in coordination, first joint portion is connect with the installation unit；The driving Unit has the output section of exportable torque, and the output section and second joint portion are detachably connected and can transmit torsion Square, first joint portion and the second joint portion are often mutually locked.

Rotating mechanism can realize the rotation of display terminal as a result, and then can be realized display terminal where display screen Any angle of plane rotates or predetermined angle rotation, and to realize modularization, versatility good, conveniently for the rotating mechanism Dismounting.

In some embodiments, the clutch unit is located at except the casing of the driving unit.

In some embodiments, the clutch unit is at least partially disposed within the installation unit.

In some embodiments, the installation unit includes rotating disk, and the rotating disk is used to install the display terminal, The rotating disk is connect with first joint portion, and the one end at the rotating disk towards first joint portion has first Groove, first joint portion are at least partially disposed in first groove.

In some embodiments, second joint portion is at least partially disposed in first groove.

In some embodiments, the installation unit includes rotating disk, and the rotating disk is used to install the display terminal, The rotating disk and first joint portion are integrally formed.

In some embodiments, the installation unit includes rotating disk, and the rotating disk is used to install the display terminal, First joint portion is detachably connected with the rotating disk.

In some embodiments, first joint portion engages with second joint portion and has multiple bonding stations, The installation unit be configured to can be turned manually with drive the first joint portion relative to second joint portion rotationally Switch between multiple bonding stations.

In some embodiments, the casing of the driving unit has radial holding mechanism, and the output section opposite can turn It is located on the radial holding mechanism dynamicly to limit radially.

In some embodiments, there are two the outer ring and inner ring of empty set setting, the diameters for the casing tool of the driving unit Include the outer ring and the inner ring to holding mechanism, annular chamber, the output are limited between the outer ring and the inner ring Portion is at least partially disposed in the annular chamber.

In some embodiments, the casing of the driving unit includes: body, rear chassis and front cover, the machine Shell rear cover is connected and has the second shaft portion of annular, the front end of the front cover and the body with the rear end of the body It is connected and has the stop collar of annular, the stop collar empty set limits annular chamber, the output outside the second shaft portion Portion is at least partially disposed in the annular chamber.

In some embodiments, the output section forward extends out outside the front cover.

In some embodiments, the driving unit has the output gear of annular, and the output gear is set in described Outside the second shaft portion, the output section is formed on the output gear.

In some embodiments, second joint portion include for first joint portion locking engagement disk and with The engagement disk connector sleeve connected away from the one end at first joint portion, the connector sleeve are connected with the output gear.

Rotating mechanism according to an embodiment of the invention, a part at first joint portion is from the side of the shell It stretches out to be fixedly connected with the installation unit.

In some embodiments, the side of the shell has avoid holes, and first joint portion has the first engaging lug, First engaging lug is stretched out outside the shell from the avoid holes and is connect with the installation unit.

Optionally, first engaging lug is slidingly disposed in the avoid holes, and can respectively with the avoid holes Both ends cooperation is to carry out stroke limit to the installation unit.

Optionally, the shell includes the first outer housing and second housing body, outside first outer housing and described second Shell is detachably connected, and the avoid holes are limited jointly by first outer housing and the second housing body.

Optionally, the installation unit includes the second engaging lug of rotating disk with the one end for being connected to the rotating disk, institute One end that rotating disk is located at the shell is stated, second engaging lug is located at the shell and first engaging lug is whole outer Side, second engaging lug are fixedly connected with first engaging lug.Further, the rotating disk has and described second Engaging lug is located at the first shaft portion of the same end, and the first shaft portion protrudes into first engagement along the axial direction of the clutch unit It is connect in portion and with first joint portion by spline.

Still further, the rotating disk has the first groove around first shaft portion setting, the clutch unit Shell be extending at least partially into first groove.

Optionally, the rotating disk has the second groove, and first groove and second groove are located at described The both ends of rotating disk, the display terminal are connect by connecting bracket with the installation unit, and second groove is suitable for accommodating And connect the connecting bracket.

Rotating mechanism according to an embodiment of the invention, which is characterized in that the driving unit is located at the shell The other end, the output section are stretched out outside the casing and in the second joint portion that insertion is located in the shell.

In some embodiments, the clutch unit further includes the elastic component in the shell, the elastic component, institute It states clutch component to be respectively positioned in the shell, the elastic component often pushes against second joint portion perpendicular to the rotation side First joint portion is compressed upwards.

Optionally, second joint portion includes: to engage disk and connector sleeve, the engagement disk and first joint portion It is oppositely arranged and is fitted to each other in the axial direction；The engagement disk is connected to one end of the connector sleeve, and the elastic component is coated at It the connector sleeve and is clipped between the engagement disk and the shell in the axial direction, the connector sleeve is placed in the output section.

Rotating mechanism according to an embodiment of the invention, the driving unit further include: driving motor, retarder, institute It states driving motor to be arranged in the casing, the driving motor has output shaft；The retarder is at least primary transmission machine Structure and worm screw straight-tooth transmission mechanism being included at least, the worm screw straight-tooth transmission mechanism includes intermeshing worm screw and spur gear, The worm screw directly or indirectly with the output axis connection of the driving motor, the output section be formed on the spur gear and It stretches out outside the casing.

In some embodiments, the casing includes: body, rear chassis and front cover, and the body includes using In the first sub- shell for installing the spur gear, the rear chassis the first sub- shell of the body rear end with it is described Body connection, the rear chassis have the second shaft portion, and the spur gear housing is on the second shaft portion；Before the casing It covers and is connect in the front end of the described first sub- shell with the body, the wheel teeth portion of the spur gear is clipped in the machine in the axial direction Between shell rear cover and the front cover, the output section is forward extended out outside the front cover.

Rotating mechanism according to an embodiment of the invention, the rotating mechanism further include: the rotating mechanism and fixation Bracket, the clutch unit, the driving unit are detachably connected with the fixed bracket each independently.

The vehicle of the second inventive embodiments includes: display terminal and the rotation for display terminal according to the present invention Mechanism, the fixed bracket are installed on the car body of vehicle, and the display terminal is installed on the installation list of the rotating mechanism Member.

Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.

Detailed description of the invention

Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:

Fig. 1 is the fractionation schematic diagram of rotating mechanism according to an embodiment of the present invention, fixed bracket and display terminal entirety.

Fig. 2 is the schematic cross-sectional view of rotating mechanism according to an embodiment of the present invention, fixed bracket and display terminal entirety.

Fig. 3 is the installation unit of rotating mechanism according to an embodiment of the present invention and the fractionation schematic diagram of clutch unit.

Fig. 4 is a schematic diagram of the installation unit of rotating mechanism according to an embodiment of the present invention.

Fig. 5 is the A-A schematic cross-sectional view of Fig. 4.

Fig. 6 is another schematic diagram of the installation unit of rotating mechanism according to an embodiment of the present invention.

Fig. 7 is the partial schematic diagram of the driving unit of rotating mechanism according to an embodiment of the present invention.

Fig. 8 is the partial schematic diagram of the second engaging portion of rotating mechanism according to an embodiment of the present invention.

Appended drawing reference:

Rotating mechanism 100, fixed bracket 200, display terminal 300, connecting bracket 400,

Installation unit 10, first shaft portion 11, the first spline 111, the first groove 12, rotating disk 13, the second engaging lug 14, limit barricade 15, the second groove 16,

Clutch unit 20, the first joint portion 211, locking tooth 211a, the first engaging lug 211b, the second spline 2111, Two joint portions 212 engage disk 212a, connector sleeve 212b, lock groove 212c, the first spline tooth 211d, shell 22, the first shell Body 221, second housing body 222, avoid holes 223, spacer pin 224, elastic component 23, end face bearing 24,

Driving unit 30, casing 31, body 311, rear chassis 312, the second shaft portion 312a, front cover 313, limit Ring 313a, lid 314, driving motor 32, retarder 33, level-one worm screw 331, level-one spur gear 332, second-stage worm 333, two Grade spur gear 334, output section 334a take turns teeth portion 334b, the second spline tooth 3341, current-limiting circuit plate 35.

Specific embodiment

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar unit or unit with the same or similar functions.Below with reference to The embodiment of attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.

The rotating mechanism 100 according to an embodiment of the present invention for display terminal 300 is described below with reference to Fig. 1 to Fig. 8.

As illustrated in fig. 1 and 2, the rotating mechanism 100 for display terminal 300 of embodiment wraps according to a first aspect of the present invention It includes: installation unit 10, clutch unit 20 and driving unit 30.

Installation unit 10 is for installing display terminal 300, and wherein installation unit 10 can be by being arranged in display terminal 300 On connecting bracket 400 be fixedly connected with the display terminal 300, connecting bracket 400 can integrate in display terminal 300 The back side can also be detachably connected on display terminal 300, and connecting bracket 400 can be united with installation unit 10 by shape One interface is cooperated, and such different model or various sizes of display terminal 300 can be connected by unified interface On installation unit 10, such installation unit 10 has better versatility, the scope of application wider.

Clutch unit 20 includes shell 22 and clutch component, and clutch component has clutch function, and clutch component has mutual The first joint portion 211 and the second joint portion 212 of cooperation, the second joint portion 212 are connect with installation unit 10, driving unit 30 Output section 334a with exportable torque, output section 334a and the second joint portion 212 are detachably connected and can transmit torsion Square, the first joint portion 211 and the second joint portion 212 are often mutually locked.

The rotating mechanism can realize the rotation of display terminal as a result, and then can be realized display terminal where display screen Plane any angle rotation or predetermined angle rotation, and the rotating mechanism realize modularization, versatility it is good, side Just it dismounts.

As shown in Figure 1, clutch unit 20 can be located at except the casing 31 of driving unit, in this way, in assembly clutch unit When 20, it is not easy to interfere with each components of driving unit, and individually need not design clutch in the casing of driving unit 31 The installation space of unit 20 can simplify design.Further, since the first joint portion 211 of clutch unit 20 and second connects Conjunction portion 212 can relatively rotate in manual mode, if a part of clutch unit 20 to be located to the casing 31 of driving unit It is interior, the problems such as stuck may occur in rotating mechanism operational process.

Clutch unit 20 is at least partially disposed within installation unit 10.Such as the first joint portion as described in above-described embodiment 211 or second joint portion 212 be at least partially disposed in rotating disk 13, can be significantly reduced the axis of rotating mechanism entirety in this way To length, arrange that more compact reasonable and connection is closer.

First joint portion 211 can be connected as described in above-described embodiment by spline with rotating disk 13 or be formed as one Body, in other optional embodiments, the first joint portion 211 is configured to rotating disk 13 towards the end at the second joint portion 212 Face, locking tooth are formed in end face, that is to say, that eliminate the disk at the first joint portion 211, the matter of such whole rotating mechanism Amount is light.Locking tooth can be integrally formed in rotating disk 13 towards the end face at the second joint portion 212 or locking tooth and rotating disk 13 are detachably connected, simpler convenient for the structure of rotating disk 13 in this way, convenient for molding.

Installation unit 10 is configured to be turned manually to drive the first joint portion 211 relative to the second joint portion 212 Rotationally switch between multiple bonding stations.

Need to scold bright, " the normal mutual locking in the first joint portion 211 and the second joint portion 212 " refers in display terminal 300 not by external force or the smaller external force received when, the first joint portion 211 and the second joint portion 212 are always in mutual The rotation of the state of locking, installation unit 10 can be realized by two ways: manual mode and automated manner, manual mode Opening force can by the structure to the first joint portion 211 and the second joint portion 212 design realize, which can be big In output section 334a output torque and there are certain surpluses.First joint portion 211, the second joint portion 212 are in axial pre tightening force Under the action of form circumferential stiction, the stiction of the circumferential direction forms the first joint portion 211,212 phase of the second joint portion To the opening force of rotation.When the torque that the first joint portion 211 is subject to is greater than the opening force, the first joint portion 211, second are connect Conjunction portion 212 is relatively rotated to change bonding station；When the torque that the first joint portion 211 is subject to is less than the opening force, first is connect Conjunction portion 211, the second joint portion 212 keep being interconnected to transmit torque.

As a result, by by the connection between the output section 334a of driving unit 30 and the second joint portion 212 of clutch component Mode is set as removably, between the two non-rigid connection, only freedom degree of both limitations in rotation direction, in this way, Clutch unit 20 and driving unit 30 are respectively formed and are independent module, are more convenient the maintenance of clutch unit 20, driving unit 30 Replacement has better versatility, when driving unit 30 breaks down, can directly replace driving unit 30 or direct Driving unit 30 is removed, clutch unit 20 is capable of can be manually rotated for independent control display terminal 300.

In this way, the modularized design that auto-manual rotates integrally mechanism 100 is realized emphatically, except the fixation cooperated with car body Bracket 200, the connecting bracket 400 connecting with display terminal, remaining part form a complete module, are applicable to any one Money vehicle even other have in the product of rotation function demand, there is interchangeability and generally applicable property as standard component, The significant increase scope of application of product can be used for actual production use.

More particularly, a part at the first joint portion 211 of clutch component and the second joint portion 212 are located at described outer In shell 22, installation unit 10 is located at outside the shell 22, the another part at the first joint portion 211 stretch out shell 22 it is outer with peace The connection of dress unit 10 is that is, the first joint portion 211 is generally located in shell 22 and at least partly stretches out outside shell 22, and the The part stretched out other than shell 22 on one joint portion 211 can directly be connect with installation unit 10, so that the first joint portion 211 Closer with the connection of installation unit 10, whole rotating mechanism 100 is arranged more compact.

Rotating mechanism 100 according to an embodiment of the invention, a part at the first joint portion 211 is from the side of shell 22 It stretches out to be fixedly connected with installation unit 10.Specifically, clutch component is arranged in shell 22, the first engagement of clutch component Portion 211 and the second joint portion 212 can be driven around axial rotation, and shell 22 is sleeve-shaped, the engagement of the first joint portion 211, second Portion 212 is ring-type, and the axial direction of shell 22 is consistent with the axial direction at the first joint portion 211, the second joint portion 212, the first engagement The a part in portion 211 passes through the side wall of shell 22 to stretch out outside shell 22 and fix with the installation unit 10 being located at outside shell 22 Connection.

The whole bending resistance of rotating mechanism 100, the antitorque loaded performance of static state are not only improved as a result, but also are further subtracted The axial length for having lacked whole rotating mechanism 100 makes the mounting means of the first joint portion 211 and installation unit 10 not by space Limitation, to facilitate the more suitable fastening means (including but is not limited to be bolted) of selection that the two is fixed.

As shown in figures 1 and 3, the side of shell 22 has avoid holes 223, and the first joint portion 211 has the first engaging lug 211b, the first engaging lug 211b are stretched out outside shell from avoid holes 223 and are connect with installation unit 10.Avoid holes 223 are distributed in outer The side wall of shell 22, the first engaging lug 211b can extending radially out outside avoid holes 223 along the first joint portion 211.

First engaging lug 211b and avoid holes 223 both can satisfy the connection at the first joint portion 211 and installation unit 10, It can be used for controlling the movement travel of display terminal 300 again.Specifically, avoid holes 223 can be bar shaped, the first engaging lug 211b It is slidingly disposed in avoid holes 223, and can cooperate with the both ends of avoid holes 223 respectively to carry out stroke to installation unit 10 Limit.That is, being fixedly arranged on the of display terminal 300 when driving display terminal 300 to rotate in a manner of electric or hand The also corresponding rotation of one joint portion 211, the first engaging lug 211b and the second engaging lug 14 can be accordingly sliding in avoid holes 223 at this time It is dynamic.

For example, rotating mechanism 100 can be used for switching display terminal 300 between multiple target angles, such as be used for Switching between transverse screen and vertical screen, when display terminal 300 is in transverse screen position, the first engaging lug 211b can be in avoid holes 223 one end is only supported with 223 phase of avoid holes, and when display terminal 300 switches to vertical screen position, the first joint portion 211 is rotated simultaneously The first engaging lug 211b is driven to slide in the avoid holes 223, the shape of avoid holes 223 can according to need setting, can be with It is arc-shaped or spiral yarn shaped etc., as long as can satisfy the installation at the first joint portion 211 and the rotation to display terminal 300 Stroke limit.

Certain rotational travel position-limit mechanism is not limited to above structure, can also there is other forms, such as driving unit 30 Casing 31 and rotating disk 13 be equipped with the positioning mechanism of pairing so that 300 rotating object angle of the display terminal, below Introduce the positioning mechanism of two kinds of forms.

For convenience of installation of first joint portion 211 in shell 22, shell 22 can be used split type structure, and shell 22 can be with Including the first outer housing 221 and second housing body 222, the first outer housing 221 is detachably connected with second housing body 222, is kept away Hole 223 is allowed to be limited jointly by the first outer housing 221 and second housing body 222.Shown in referring to Fig.1,221 He of the first outer housing Second housing body 222 is sleeve-shaped, and the side of the first outer housing 221 is opposite in the axial direction with the side of second housing body 222 Setting, and the two has recess by flanged joint, the end of the first outer housing 221 or the end of second housing body 222, Avoid holes 223 are limited at the docking of the end of the two after such first outer housing 221 and second housing body 222 connect.

Installation unit 10 can be used for being directly connected to display terminal 300 or installation unit 10 and be integrated in display terminal Connecting bracket 400 on 300 is connected in a manner of clamping or grafting etc., and in the embodiment shown in Figure 3, installation unit 10 wraps It including rotating disk 13 and is connected to second engaging lug 14 of one end of rotating disk 13, rotating disk 13 is located at one end of shell 22, the Two engaging lugs 14 are located at shell 22 and the whole outside the first engaging lug 211b, and the second engaging lug 14 and the first engaging lug 211b are solid Fixed connection.

Wherein, the first engaging lug 211b, the second engaging lug 14 number may each be multiple, multiple first engaging lug 211b It can be uniformly distributed in the circumferential direction at the first joint portion 211, multiple second engaging lugs 14 can be in the circumferential uniform of the second joint portion 212 Distribution.In specific embodiment shown in Fig. 1, the first engaging lug 211b, the second engaging lug 14 number be two, two First engaging lug 211b is relative to each other radially, and two the second engaging lugs 14 are relative to each other radially.Second engaging lug 14 are attached on the outside of the first engaging lug 211b by bolt or screw.

In this way, the first joint portion 211 and the junction of installation unit 10 are able to bear bigger torque and transmit, it is driven more flat It is steady reliable.

It, can for the compactness for further enhancing the first convenience installed with installation unit 10 of joint portion 211 and connection Additionally to carry out coarse positioning to the first joint portion 211 and installation unit 10, such as, rotating disk 13 can have to be connected with second Lug 14 is located at the first shaft portion 11 of the same end, and first shaft portion 11 protrudes into the first joint portion 211 along the axial direction of clutch unit 20 And it is connect with the first joint portion 211 by spline.For example, as shown in figure 3, the first spline on the outer wall of first shaft portion 11 111 cooperate with the first spline tooth 211d of 212 inner wall of the second joint portion to realize that spline connect, thus make installation unit 10 and First joint portion 211 can remain relatively motionless, and then preferably transmit torque.

The one end at rotating disk 13 towards the first joint portion 211 of clutch unit 20 has the first groove 12, the first joint portion 211 are at least partially disposed in the first groove 12, to shorten the axial distance of whole rotating mechanism 100, it is preferable that such as Fig. 2 institute Show, entire first joint portion 211 is located in the first groove 12, and the second joint portion 212 of clutch unit 20 is at least partially disposed at In one groove 12, further, entire second joint portion 212 is located in the first groove 12 further to shorten entire whirler The whole axial length of the axial distance of structure, rotating mechanism is short, arranges that more compact reasonable and connection is closer.

Certainly, rotating disk 13 can also be integrally formed with the first joint portion 211, can reduce zero for needing to assemble in this way Number of packages mesh reduces assembly process.

Still further, rotating disk 13 has the first groove being arranged around first shaft portion 11 in conjunction with shown in fig. 4 to fig. 6 12, the shell 22 of clutch unit 20 is extending at least partially into the first groove 12.Specifically, rotating disk 13 is formed as the disk of annular One end (rear end as shown in Figure 1) towards clutch unit 20 of body, installation unit 10 has above-mentioned first groove 12, clutch Unit 20 is extending at least partially into first groove 12, at the same first shaft portion 11 can be inserted into clutch unit 20 with clutch group First joint portion 211 of part is fixed, and the first joint portion 211 can be connect with first shaft portion 11 by spline.Thus, hence it is evident that contracting The whole axial length of short rotating mechanism 100, makes clutch unit 20 at least partly be embedded in the back side of installation unit 10, right The connection of installation unit 10 is closer, secured, while reducing the occupancy to space.

Rotating mechanism 100 according to an embodiment of the invention, installation unit 10 are located at one end of shell (as shown in Figure 1 Front end), driving unit 30 is located at the other end (rear end as shown in Figure 1) of shell 22, output section 334a stretch out casing it is outer and Insertion is located in the second joint portion 212 in shell 22.The axial length of whole rotating mechanism 100 is not only shortened as a result, To reduce dimension chain error, while on the one hand promote the rigidity of whole system also therewith, then system is loaded by external force When, bending resistance, antitorque ability are more preferable, be unlikely to deform or damage, another aspect axial length shorten also overall stability also mention It rises, reduces the shaking volume of whole rotating mechanism 100.

In addition, rotating disk 13 has the second groove 16, the first groove 12 and second groove as shown in Fig. 1, Fig. 4-6 16 are located at the both ends of rotating disk 13, and display terminal 300 is connect by connecting bracket 400 with installation unit 10, the second groove 16 are suitable for accommodating and connect the connecting bracket 400.Specifically, connecting bracket 400 can be by being clamped and being bolted The connection of the realization of at least one of mode and rotating disk 13, connecting bracket 400 can be formed as annular and including multiple in ring The connection pawl 401 of shape distribution, multiple connection pawls 401 can be protruded into and are plugged into the second groove 16.Not only connecting bracket in this way In 400 intrusion rotating disks 13, and being located at of being at least partially extend into that multiple connection pawls 401 limit of rotating disk 13 is aobvious Show in the cavity 402 at terminal rear, in this way, the space of display terminal rear and installation unit itself is rationally utilized, it is significant to drop Low rotating mechanism 100 and the whole axial length of connecting bracket 400, arrange it is more compact rationally and connection is closer.

In some embodiments, as shown in Fig. 2, clutch unit 20 includes the elastic component 23 in shell 22, elastic component 23, clutch component is respectively positioned in shell 22, and elastic component 23 often compresses at the second joint portion 212 of pushing and pressing on perpendicular to rotation direction First joint portion 211, the output section 334a of driving unit 30 protrude into shell 22 with 212 grafting of the second joint portion.Wherein, Elastic component 23 can be compressed spring.The outer wall of output section 334a has multiple second spline tooths 3341, the second spline tooth 3341 It extending internally from the end of output section 334a, the second spline tooth 3341 can be covered with the outer wall of output section 334a in the axial direction, It can be only distributed in the local shaft part of outer wall, the inner hole at the second joint portion 212 is adapted with the outer wall of output section 334a, phase It answers, the inner hole at the second joint portion 212 has the second spline 2121 being adapted to one by one with multiple second spline tooths 3341.It can With understanding, the shape of above-mentioned second spline 2121 and the second spline tooth 3341 is not limited to spline shape shown in FIG. 1.

In this way, each inter-module being together in series can be made to keep certain normal pressure, (pressure is by 23 compressive deformation of elastic component There is provided), it realizes the locking function of system, realizes axial limiting between each component simultaneously herein.As a result, clutch unit 20 with And the equal succession of parts of driving unit 30 connects can generate error superposition (including producing error, rigging error), pass through bullet Spring pressing can largely eliminate gap, to reduce error；It not only can be to avoid caused by driving conditions moderately gusty air road surface Micro- convolution of quivering of display terminal 300 (such as touch screen), improves system stability and stabilization, vibration resistance, while can also be to avoid Damage of the foreign impacts to rotating mechanism improves system reliability and service life.

When display terminal 300 rotates, the shell of driving unit 30 is motionless, can be with by setting 23 end face bearing of elastic component Significantly reduce the frictional force between elastic component 23 and the shell of driving unit 30.

Certainly, the present invention is not limited thereto, and the first joint portion 211 can also can be transmitted with output section 334a using other Torque and the connection type of assembly and disassembly is facilitated to connect, is such as clamped.In addition, the first joint portion 211 and output section 334a is mating Mode is also not necessarily limited to the embodiment that the output section 334a in attached drawing is inserted into the first joint portion 211, can also connect using first Conjunction portion 211 is plugged on the embodiment in the 334a of output section.

Optionally, the second joint portion 212 includes: engagement disk 212a and connector sleeve 212b, and engagement disk 212a connects with first Conjunction portion 211 is oppositely arranged in the axial direction and is fitted to each other；Engagement disk 212a is connected to one end of connector sleeve 212b, elastic component 23 It is coated at connector sleeve 212b and is clipped between engagement disk 212a and shell 22 in the axial direction, connector sleeve 212b is placed in output section. The first joint portion 211 can not only be connect to transmit torque with output section 334a as a result, and the first joint portion 211 can be Elastic component 23 provides centralized positioning, to guarantee the stability of 23 dilatation of elastic component.

In one embodiment, as shown in figure 3, positioning mechanism includes that limit barricade 15 and spacer pin 224 engage Fig. 4, Fig. 5 Shown, the rotating disk 13 of Fig. 5 installation unit 10 is equipped with limit barricade 15, week of the two limit barricades 15 along rotating disk 13 To being spaced apart, the two limit the target angle that the angle between barricades 15 is rotation, such as 90 °, the rear shell of clutch unit 20 Body 31 is equipped with spacer pin 224, and spacer pin 224 is stretched out towards installation unit 10, and limit position pin 224 is suitable for compressing limit barricade 15, in initial position, spacer pin 224 compresses a limit barricade 15, rotates display terminal 300, rotating disk 13 and limiting block When wall 15 rotates together spacer pin 224 and compresses another limit barricade 15, indicate that display terminal 300 rotate in place, cooperation the The lock groove 212c and locking tooth 211a at one joint portion 211 and the second joint portion 212, it is ensured that the first joint portion 211 and Two joint portions 212 engage always.

Rotating mechanism 100 according to an embodiment of the invention, driving unit 30 further include: driving motor 32, retarder 33, driving motor 32 is arranged in casing, and driving motor 32 has output shaft；Retarder 33 be at least primary transmission mechanism and Including at least worm screw straight-tooth transmission mechanism, worm screw straight-tooth transmission mechanism includes intermeshing worm screw and spur gear, and worm screw is direct Or indirectly with the output axis connection of driving motor 32, output section is formed on spur gear and stretches out outside casing.

Specifically, driving motor 32 is rotary drive motor 32, and output shaft is the rotatable driving for capableing of output torque 32 axis of motor, at least one of retarder 33 and driving motor 32 have self-locking function, with driving motor 32 power off when, Output section 334a and the first joint portion 211 can be locked, to make to can be primary transmission mechanism, be also possible to second level Transmission mechanism, three-level transmission mechanism, retarder 33 include at least worm screw straight-tooth transmission mechanism.Specific embodiment shown in Fig. 3 In, when retarder 33 is secondary drive mechanism, retarder 33 can be driven by worm screw helical teeth transmission mechanism and worm screw straight-tooth Mechanism composition, worm screw helical teeth transmission mechanism include intermeshing level-one worm screw 331 and level-one spur gear 332, and worm screw straight-tooth passes Motivation structure includes intermeshing second-stage worm 333 and second level spur gear 334, the output of level-one worm screw 331 and driving motor 32 Axis connection, second-stage worm 333 are coaxially disposed and are fixedly connected with level-one spur gear 332, and second level spur gear 334 includes being located at machine Connecting and stretching out defeated outside casing 31 with the wheel teeth portion 334b of the engagement of second-stage worm 333 and with wheel teeth portion 334b in shell 31 Portion 334a out.

Display terminal 300 needs to be rotated (about 6-10r/min) with extremely slow revolving speed, and this requires machine cores to have Biggish transmission ratio, about 1500-2000 or so.Using above-mentioned worm screw straight-tooth transmission mechanism have the advantage that it is compact-sized, It is small in size, light-weight；And stable drive, noise are low, transmission ratio is high, slowing effect is obvious.

As shown in Figure 1 and Figure 2, the casing 31 of driving unit has radial holding mechanism, and output section 334a is rotatably It is located on radial holding mechanism to limit radially.Radial holding mechanism is used to limit the radial direction of at least partly rotary part partially It sets, prevents rotating mechanism from radial offset occurring in the process of running, such rotating mechanism can still be kept after longtime running Stable operation.

In some alternative embodiments, the casing 31 of driving unit remains stationary after being installed on vehicle body, driving unit The tool of casing 31 includes outer ring and inner ring there are two the outer ring of empty set setting and inner ring, radial holding mechanism, and outer ring is set in inner ring Outside, outer ring and inner ring limit annular chamber, and output section 334a's is at least partially disposed in annular chamber, and output section 334a is at least Part is set in outside inner ring, and for inner ring for preventing output section 334a from biasing to radially inner side, outer ring is set in output section 334a's At least partly outer, outer ring is for preventing output section 334a from biasing to radial outside.

In some alternative embodiments, as shown in fig. 6, the casing 31 of driving unit includes: body 311, rear chassis 312 and front cover 313, rear chassis 312 be connected with body 311, and rear chassis 312 have annular the second shaft portion 312a, front cover 313 are connected with the front end of body 311, and front cover 313 has the stop collar 313a of annular, stop collar 313a empty set limits annular chamber outside the second shaft portion 312a, and output section 334a's is at least partially disposed in annular chamber.Output Portion 334a's is at least partly set in outside the second shaft portion 312a, and the second shaft portion 312a is for preventing output section 334a inside to diameter Side biasing, stop collar 313a are set in at least partly outer of output section 334a, stop collar 313a for prevent output section 334a to Radial outside biasing.

The output section of driving unit includes the output gear of annular, and output gear can be second level described in above-described embodiment Driven spur gear, output gear are connected with output section 334a, and output gear is set in outside the second shaft portion 312a.Second joint portion 212 include and for deviating from the first joint portion 211 with the engagement disk 212a of 211 locking of the first joint portion and with disk 212a is engaged The connected connector sleeve 212b in one end, connector sleeve 212b is connected with output gear.In this way, the radially inner and outer side of output gear It is limited respectively by the second shaft portion 312a and stop collar 313a, the output section 334a of driving unit is not easily susceptible to during the work time The influence of extraneous vibration prevents from beating tooth.

Radial holding mechanism can also include radial Limit Bearing (not shown), stop collar 313a and the first joint portion 211 at least partly between be equipped with radial Limit Bearing, for example can be equipped between stop collar 313a and connector sleeve 212b radial The inner ring of Limit Bearing, Limit Bearing radial in this way compresses connector sleeve 212b, and the outer ring of radial Limit Bearing compresses stop collar The radial limit of 313a, radial holding mechanism are more firm.

Installation unit 10 includes: first shaft portion 11, and first shaft portion 11 penetrates through clutch unit 20, driving unit, the second shaft portion 312a is set in outside first shaft portion 11, and the second shaft portion 312a can limit first shaft portion 11 in radial outside, Jin Erjin The radial stability of one step enhancing rotating disk 13.

As shown in Figures 2 and 3, it includes for installing the first of spur gear the sub- shell, casing that casing 31, which includes: body 311, Rear cover 312 is connect in the rear end of the first sub- shell of body 311 with body 311, and rear chassis 312 has the second shaft portion 312a, Spur gear housing is on the second shaft portion 312a, and front cover 313 is connect in the front end of the first sub- shell with body 311, spur gear Wheel teeth portion 334b be clipped between rear chassis 312 and front cover 313 in the axial direction, output section 334a forward extends out casing Outside front cover 313, second end face bearing 34 is additionally provided between the wheel teeth portion 334b and rear chassis 312 of spur gear.In this way, casing Front cover 313 and rear chassis 312 can provide axial limiting for the wheel teeth portion 334b of spur gear, and the second shaft portion 312a can be right Spur gear carries out radial limit, spur gear is enable steadily to rotate around it；And works as and need to overhaul retarder 33 When, it removes front cover 313 or rear chassis 312 can observe engaging situation or can directly replacing for spur gear and worm screw Spur gear, easy disassembly.

In addition, installation unit 10, driving unit 30, clutch unit 20 are all formed as with the cable hole axially extended Hollow structure.In other words, first shaft portion 11, the second shaft portion 312a, the first joint portion 211 and the second joint portion 212 are Hollow structure.It is laid out as a result, more flexible, just more in cabling, and more applicable whole structure spaces compact, vehicle freight weight limit are wanted It asks, while the better riding experience of user can also be given.

Rotating mechanism further include: fixed bracket 200, clutch unit 20, driving unit 30 each independently with fixed bracket 200 are detachably connected.That is, driving unit 30 can be embedded in fixed bracket 200 and connect with fixed bracket 200 Connect, clutch unit 20 and installation unit 10 be desirably integrated into together and the entirety that constitutes of the two can independently with fixed bracket 200 connections.In this way, the entirety that driving unit 30, clutch unit 20 and installation unit 10 are constituted may be applicable to any a vehicle Type even other have in the product of rotation function demand, two modules all have the preferable interchangeability as standard component And versatility, the significant increase scope of application of product, it can be used for actual production use.

The specific constructive form of clutch unit 20 according to an embodiment of the present invention is described below.

In a kind of embodiment of clutch unit 20, as depicted in figs. 1 and 2, clutch unit 20 includes: the first joint portion 211 and first joint portion 211, the end face at the first joint portion 211 and the first joint portion 211 is oppositely arranged, and the first joint portion 211 and first one in two end faces toward each other of joint portion 211 there is multiple lock groove 212c, the first joint portion 211 With in two end faces of the first joint portion 211 toward each other another have at least one locking tooth 211a.

Such as first the end face at joint portion 211 be equipped with lock groove 212c, the end face at the first joint portion 211 is equipped with locking tooth 211a；Alternatively, the end face at the first joint portion 211 is equipped with lock groove 212c, the end face at the first joint portion 211 is equipped with locking tooth 211a。

Each locking tooth 211a is suitable for being engaged at least two lock groove 212c so that the first joint portion 211 is engaged with first Portion 211 is adapted at least to the engagement of two bonding stations in the circumferential.

As shown in Figure 1, the first joint portion 211, the first joint portion 211 can be circular ring shape, the one of the first joint portion 211 A end face, the first joint portion 211 an end face be oppositely arranged.One in first joint portion 211, the first joint portion 211 End face is equipped with oil groove, and oil groove is for storing lubricating oil, to reduce frictional force, such as the first joint portion 211 and the first joint portion One end face in 211 equipped with lock groove 212c is equipped with oil groove, and oil groove can be to be multiple, specifically, two adjacent lockings Multiple oil grooves are equipped between slot 212c.

One in two end faces of first joint portion 211, the first joint portion 211 toward each other has multiple lock grooves 212c, another has at least one locking tooth 211a, and at least part of locking tooth 211a protrudes into lock groove 212c, and locks When only the side wall of the side of tooth 211a and lock groove 212c compress, locking tooth 211a is engaged with lock groove 212c, can be realized the One joint portion 211, the engagement of the first joint portion 211.

Such as first the end face at joint portion 211 be equipped with lock groove 212c, the end face at the first joint portion 211 is equipped with locking tooth 211a；Alternatively, the end face at the first joint portion 211 is equipped with lock groove 212c, the end face at the first joint portion 211 is equipped with locking tooth 211a.For the convenience of description, locking tooth 211a is only equipped with the end face at the first joint portion 211 below, the first joint portion 211 End face is further described for being equipped with lock groove 212c.

Multiple lock groove 212c are along the evenly-spaced arrangement of circumferential direction at the first joint portion 211, and multiple locking tooth 211a are along The evenly-spaced arrangement of circumferential direction at one joint portion 211, lock groove 212c, the number of locking tooth 211a are identical, such as lock groove 212c, locking tooth 211a are four.In the case where not considering mismachining tolerance, the middle line of two adjacent lock groove 212c Angle be 90 °, in original state, multiple locking tooth 211a are engaged correspondingly with multiple lock groove 212c, are connect when first Conjunction portion 211 turns to some locking tooth 211a relative to the first joint portion 211 and is engaged with adjacent another lock groove 212c When, the rotation of mobile terminal can be realized.

Each locking tooth 211a is suitable for being engaged at least two lock groove 212c so that the first joint portion 211 is engaged with first Portion 211 is adapted at least to engage in two bonding stations.Such as some locking tooth 211a, locking tooth 211a can be with two A lock groove 212c is engaged, and the angle between the two lock grooves 212c indicates the first joint portion 211, the first joint portion 211 The angle relatively rotated.

As shown in figure 8, lock groove 212c includes multiple groups, every group includes multiple lock groove 212c, difference group lockings Slot 212c is circumferentially staggered, more when the bonding station engagement wherein of the first joint portion 211 and the second joint portion 212 A locking tooth 212a and wherein one group of multiple lock groove 212c one-to-one correspondence, the first joint portion 211 and the second joint portion 212 When turning to another bonding station, multiple locking tooth 212a and another group of multiple lock groove 212c are corresponded, wherein two The angle of the axis of mutual corresponding two lock groove 212c is 90 ° in the lock groove 212c of group.

The group number of lock groove 212c can be corresponded with the position number of display terminal 300, for example display terminal 200 wraps When including two positions of horizontal/vertical screen, lock groove 212c is 2 groups, and by taking lock groove 212c includes two groups as an example, every group includes three along week To the lock groove 212c of evenly-spaced setting, lock groove 212c described in two groups is circumferentially staggered, such as first group every The two sides a lock groove 212c are respectively provided with one second group of lock groove 212c, in this way in each rotation process, each locking tooth 212a only need to be embedded in another lock groove 212c from a lock groove 212c, will not fall into non-targeted lock groove during rotation One angle in 212c, first group of this lock groove 212c and second group of the two lock grooves 212c is 90 °, the Another angle in one group of this lock groove 212c and second group of the two lock grooves 212c is 30 °, locking tooth 212a includes three, three locking tooth 212a circumferentially evenly-spaced setting, as these three locking tooths 212a and different groups The rotation of display terminal 300 can be realized in lock groove 212c when cooperating.

As shown in Figure 1, lock groove 212c and locking tooth 211a all have arc section, and the root width of locking tooth 211a The width on the top greater than locking tooth 211a, the width of lock groove 212c open end are greater than the width of the bottom lock groove 212c, lock Only the width of tooth 211a gradually becomes smaller from root to top.

When the arcuate flanks of locking tooth 211a and the curved wall of lock groove 212c compress, the first joint portion 211, first Torque can be transmitted between joint portion 211；Torque between the first joint portion 211, the first joint portion 211 is greater than pretightning force When, opposite sliding occurs for the curved wall of the arcuate flanks of locking tooth 211a and lock groove 212c, and locking tooth 211a is compressed to the When the end face at one joint portion 211 or the first joint portion 211, the first joint portion 211 and the first joint portion 211 are detached from, locking tooth 211a slides into another lock groove 212c along the end face at the first joint portion 211 or the first joint portion 211, that is, realizes display eventually The rotation at end 300.

Since arc lock groove 212c and arc locking tooth 211a is arranged, so that the first joint portion 211, the first joint portion 211 when by large torque being detached from respect to sliding by arcwall face, be not susceptible to stuck situation.Lock groove After 212c, locking tooth 211a are detached from, the locking tooth 211a of arc is slided along the end face at the first joint portion 211, the first joint portion 211, the frictional force between the first joint portion 211 is small, convenient for sliding into next bonding station rapidly, is not easy stuck.

Lock groove 212c and locking tooth 211a all has the fan ring concentric with the first joint portion 211 or the first joint portion 211 Tee section.That is, the width of lock groove 212c radially becomes larger from inside to outside, the width of locking tooth 211a is along diameter To becoming larger from inside to outside.It is understood that at the first joint portion 211, the first joint portion 211 transmitting torque, outer end The torque being subject to is big, can increase the forced area of outer end by the way that above structure is arranged, and reduces outer end by pressure, enhances outer end Intensity, prevent from being broken.

The width of lock groove 212c open end is less than the width of the root locking tooth 211a.In other words, lock groove 212c is opened wide The central angle of the fan annular at end is less than the central angle of the fan annular of the root locking tooth 211a, connects in the first joint portion 211, first When conjunction portion 211 engages, the circumferential direction of the occlusal position and locking tooth 211a and lock groove 212c of locking tooth 211a and lock groove 212c Aligned position is related.

It is understood that ideally (mismachining tolerance for not considering locking tooth 211a Yu lock groove 212c), each The two sides equal-height position of locking boss is compressed with the two sides of the open end of lock groove 212c edge respectively；Due to mismachining tolerance, such as The angle of two adjacent locking boss be not equal to 90 °, the width of each locking boss differs, part locking boss with it is corresponding Lock groove 212c may be that unilateral side compresses, at least side of locking tooth 211a compress with the respective side of lock groove 212c so that Locking tooth 211a is engaged with lock groove 212c.

That is, passing through the locking tooth 211a and lock groove 212c of setting above structure form, it is ensured that Mei Gesuo Only tooth 211a is engaged with corresponding lock groove 212c, and there are one with design angle in 300 actual rotation angle of display terminal When determining error, each locking tooth 211a keeps being engaged with corresponding lock groove 212c, and it is equal to prevent part locking tooth 211a The case where being engaged with corresponding lock groove 212c void, a part of another aspect locking tooth 211a is engaged with lock groove 212c, just Locking tooth 211a skids off lock groove 212c when manual operation.

The depth of lock groove 212c is less than the height of locking tooth 211a, and the intensity at such first joint portion 211 is big.

In another embodiment of clutch unit 20, as shown in Figure 1 and Figure 2, the first joint portion 211, the first joint portion 211 can be circular ring shape, and an end face at the first joint portion 211, an end face at the first joint portion 211 are oppositely arranged.The One end face in one joint portion 211, the first joint portion 211 is equipped with oil groove, and oil groove is rubbed for storing lubricating oil with reducing Wipe power.

Such as first the end face at joint portion 211 be equipped with lock groove 212c, the end face at the first joint portion 211 is equipped with locking tooth 211a, alternatively, the end face at the first joint portion 211 is equipped with lock groove 212c, the end face at the first joint portion 211 is equipped with locking tooth 211a.For the convenience of description, locking tooth 211a is only equipped with the end face at the first joint portion 211 below, the first joint portion 211 End face is further described for being equipped with lock groove 212c.

The group number of lock groove 212c can be corresponded with the position number of display terminal 300, for example display terminal 300 wraps When including two positions of horizontal/vertical screen, lock groove 212c is 2 groups, and by taking lock groove 212c includes two groups as an example, every group includes three along week To the lock groove 212c of evenly-spaced setting, lock groove 212c described in two groups is circumferentially staggered, such as first group every The two sides a lock groove 212c are respectively provided with one second group of lock groove 212c, in this way in each rotation process, each locking tooth 212a only need to be embedded in another lock groove 212c from a lock groove 212c, will not fall into non-targeted lock groove during rotation One angle in 212c, first group of this lock groove 212c and second group of the two lock grooves 212c is 90 °, the Another angle in one group of this lock groove 212c and second group of the two lock grooves 212c is 30 °, locking tooth 212a includes three, three locking tooth 212a circumferentially evenly-spaced setting, as these three locking tooths 212a and different groups The rotation of display terminal 300 can be realized in lock groove 212c when cooperating.

Lock groove 212c and locking tooth 211a all has arc section, and the root width of locking tooth 211a is greater than locking tooth The width on the top of 211a, the width of bottom of the width greater than lock groove 212c of the open end of lock groove 212c, locking tooth The width of 211a gradually becomes smaller from root to top.

Clearance fit, i.e. lock groove 212c are greater than lock in circumferential width to lock groove 212c and locking tooth 211a in the circumferential Only tooth 211a is in circumferential width, and the depth of lock groove 212c is greater than the height of locking tooth 211a, lock groove 212c open end Width is greater than the width of the root locking tooth 211a, and the unilateral side of locking tooth 211a is compressed with the side of lock groove 212c so that locking Tooth 211a is engaged with lock groove 212c.In this way, in the circumferential ipsilateral of multiple locking tooth 211a compresses corresponding lock groove A side wall of 212c realizes being engaged for the first joint portion 211 and the first joint portion 211.

Since arc lock groove 212c and arc locking tooth 211a is arranged, so that the first joint portion 211, the first joint portion 211 when by large torque being detached from respect to sliding by arcwall face, and lock groove 212c, locking tooth 211a be detached from Afterwards, the frictional force between the first joint portion 211, the first joint portion 211 is small, convenient for sliding into next bonding station rapidly, no It is easily stuck.

Lock groove 212c and locking tooth 211a all has the fan ring concentric with the first joint portion 211 or the first joint portion 211 Tee section.That is, the width of lock groove 212c radially becomes larger from inside to outside, the width of locking tooth 211a is along diameter To becoming larger from inside to outside.It is understood that at the first joint portion 211, the first joint portion 211 transmitting torque, outer end The torque being subject to is big, can enhance the intensity of outer end by the way that above structure is arranged, prevent from being broken.

In manual mode, apply torque to the first joint portion 211, such as rotation display terminal 300 manually, locking tooth The wall surface of 211a and lock groove 212c generates axial component, when which is greater than the pretightning force that elastic component 23 provides, locking tooth 211a gradually deviates from from lock groove 212c, in locking tooth 211a after lock groove 212c abjection, the first joint portion 211 and driving Unit 30 is motionless with respect to vehicle in the axial direction, and elastic component 23 is compressed, and the first joint portion 211 connects towards away from first in the axial direction The direction in conjunction portion 211 moves, and display terminal 300 moves backwards.

The structure of the driving unit 30 of the rotating mechanism of the embodiment of the present invention is described below.

As depicted in figs. 1 and 2, driving unit 30 includes: driving motor 31 and retarder 32, the output of driving motor 31 Axis is connected with retarder 32, and the output section 334a of retarder is connected with the first joint portion 211.

Power source can be driving motor 32, oil pump, air pump etc., and retarder 32 can subtract for gear reduction unit, V belt translation Speed, retarder 32 or worm- gear drive mechanism etc..Retarder 32 can be first class reducer structure, or more Grade deceleration mechanism.

Driving unit 30 for driving display terminal 300 to move, comprising: power source and retarder 32, retarder 32 wrap Active worm screw and driven spur gear are included, active worm screw is connected with the output shaft of power source, and driven spur gear is nibbled with active worm screw It closes.

Using worm screw spur gear deceleration mechanism, the mechanism is compact, small in size, light-weight, and stable drive, noise are low, whole A deceleration mechanism flexible layout, is convenient for cabling, the requirement of more applicable whole structure spaces compact, vehicle freight weight limit, while can also be with Give user better riding experience.

As shown in fig. 7, the angle of the axis L2 of the axis L1 of active worm screw and driven spur gear is acute angle.Active worm screw It is α that the angle of the axis L2 of axis L1 and driven spur gear, which is acute angle, is met: 82 °≤α≤88 °.Further, 84 °≤α ≤ 86 °, for example α=85 °, the size of α determine according to the helix angle of active worm screw.

That is, active worm screw and driven spur gear are not arranged vertically, can guarantee in this way active worm screw with it is driven The meshing state of spur gear is good, and transmission efficiency is higher.Spur gear it is easy to process, by Worm Wheel System in the related technology It is improved to worm gear Spur Gear Driving, to avoid encountering the problem of spiral case making performance difference.

In some embodiments, retarder 32 is primary transmission mechanism, and retarder 32 includes: level-one worm screw 331 and one Grade spur gear 332, level-one worm screw 331 are fixedly connected with the output shaft of power source, and level-one worm screw 331 nibbles with level-one spur gear 332 It closes, and the angle of the axis of the axis of level-one worm screw 331 and level-one spur gear 332 is acute angle.The axis L1 of level-one worm screw 331 Angle with the axis L2 of level-one spur gear 332 is α, is met: 82 °≤α≤88 °.Further, 84 °≤α≤86 °, such as α =85 °, the size of α is determined according to the helix angle of level-one worm screw 331.That is, level-one worm screw 331 and level-one spur gear 332 are not arranged vertically, and can guarantee that level-one worm screw 331 and the meshing state of level-one spur gear 332 are good in this way, transmission efficiency It is higher.Spur gear it is easy to process, Worm Wheel System in the related technology is improved to turbine Spur Gear Driving, to keep away Exempt from the problem of encountering turbine poor processability.

In further embodiments, as shown in fig. 7, secondary drive mechanism includes: level-one worm screw 331, level-one spur gear 332, second-stage worm 333, second level spur gear 334.

Wherein, the output shaft of power source is fixedly connected with level-one worm screw 331, and level-one worm screw 331 can integrate in power source Output shaft outside.

Level-one worm screw 331 engages with level-one spur gear 332, the axis of level-one worm screw 331 and the axis of level-one spur gear 332 Angle be acute angle, the angle α of the axis L2 of the axis L1 and level-one spur gear 332 of level-one worm screw 331 meets: 82 °≤α ≤ 88 °, further, 84 °≤α≤86 °, for example α=85 °, the size of α determine according to the helix angle of level-one worm screw 331. That is, level-one worm screw 331 is not arranged vertically with level-one spur gear 332, it can guarantee level-one worm screw 331 and one in this way The meshing state of grade spur gear 332 is good, and transmission efficiency is higher.Spur gear it is easy to process, by worm and gear in the related technology Transmission is improved to turbine Spur Gear Driving, to avoid the problem that encountering turbine poor processability.

Second-stage worm 333 and level-one spur gear 332 are coaxially disposed, and second-stage worm 333 and level-one spur gear 332 are between axial direction It is spaced apart, second-stage worm 333 can be integrally machined with level-one spur gear 332 or level-one spur gear 332 can pass through flower Key is connected with second-stage worm 333.

Second level spur gear 334 is engaged with second-stage worm 333.The axis L2 of second-stage worm 333 and the axis of second level spur gear 334 The angle of line L3 is acute angle, and the angle β of the axis L3 of the axis L2 and second level spur gear 334 of second-stage worm 333 meets: 82 ° ≤ β≤88 °, further, 84 °≤β≤86 °, such as β=85 °, the size of β according to the helix angle of second-stage worm 333 come It is fixed.That is, second-stage worm 333 and second level spur gear 334 are not arranged vertically, can guarantee in this way second-stage worm 333 with The meshing state of second level spur gear 334 is good, and transmission efficiency is higher.Spur gear it is easy to process, by worm gear snail in the related technology Bar transmission is improved to turbine Spur Gear Driving, to avoid the problem that encountering turbine poor processability.

The axis of level-one worm screw 331, the axis of second level spur gear 334, the axis of clutch unit 20 are parallel.Power source it is defeated The axis of shaft is parallel and spaced apart with the axis of second level spur gear 334.So as to realize the arranged direction and drive of power source The outbound course of moving cell 30 is parallel, is convenient for trim designs.

When power source does not work, using worm screw self-locking function (helix angle of worm screw be less than angle of friction i.e. can trigger It is self-locking), the clutch function of overall plan may be implemented, that is, when being manually operated, retarder 32 is self-locking, so that the first joint portion 211 It is fixed, so that the first joint portion 211 can relatively rotate.

The high-speed rotation of level-one worm screw 331 is passed to second-stage worm 333 by level-one spur gear 332, is driven to reduce Vibration in journey, level-one spur gear 332 can be plastic parts, and level-one worm screw 331, second-stage worm 333, second level spur gear 334 are gold Belong to part.

Second level spur gear 334 is connected with the first joint portion 211, to realize power output, such as second level spur gear 334 with First joint portion 211 is formed as one, and according to the functional requirement of second level spur gear 334 and the first joint portion 211, the two can be adopted It is made of different materials, second level spur gear 334 is made of wear-resistant material, and the first joint portion 211 is made of self-lubricating material.

The rotating mechanism 100 of a specific embodiment display screen according to the present invention is described referring to Fig. 1.Wherein, should Display screen can be the touch screen for being able to carry out human-computer interaction.

As shown in Figure 1, connecting bracket 400 and touch screen (touch screen the is equipped with the corresponding interface structure) company of being bolted It connects, realizes and be connected by buckle and two screws between connecting bracket 400 and rotating disk 13；Rotating disk 13 and the first joint portion 211 (can be convex closure lock ring in this specific embodiment) are connected by a snap, and the first joint portion 211 is (in this embodiment Can be convex closure lock ring) convex closure and recessed pack arrangement are done with the end face of recessed packet lock ring to realize that torque transmits.

Convex closure lock ring, recessed packet lock ring and elastic component 23 (can only can be spring in the embodiment) are mounted in shell 22 In (can be sleeve in this embodiment), the front end of sleeve is equipped with the reversed shaft shoulder, and limitation internal part is axially moved, rear end Equipped with identical structure, sleeve is adopted a split structure, front and back sleeve be connected and at least by recessed packet lock ring, convex closure lock ring with And springlock, inside the two, spring has precompressed amount so that concave-convex packet lock ring to be fixed in sleeve by normal pressure at this time.Afterwards Screw hole is reserved on the end cap of sleeve, after sleeve is fixedly connected on fixed bracket 200 by screw.

Driving unit 30 (can be machine core in this embodiment) is made of four shells: main case 31 and being respectively fixedly connected Front housing 31, back cabinet 31, lid 314 on body 311 select screw connection or buckle will be each according to loading conditions Part connects, and machine core is connected entirely through screw and fixed bracket 200.

Machine core has output section 334a, and the output gear of slow speed turbine stage stretches out machine core and done spline structure and recessed packet lock ring Realize torsion pass.Design has the barricade of 90 ° of rotations in rotating disk 13, and front housing 31 is equipped with limited post, rotates through in rotating disk 13 90 ° of mechanical position limitations are realized in journey.

At the same time, automatic rotation is further through overcurrent protection locking when being rotated in place；It can be manually rotated then through concave-convex packet Lock ring carries out the control of 90 ° of rotating distances.Core section is not connected with clutch unit 20, only realizes torsion pass, but logical It crosses the mode fastened respectively with fixed bracket 200 and realizes that opposite position is fixed.

The slow speed turbine stage gear other end is equipped with end face bearing 24, to reduce friction, improves transmission efficiency.This patent mainly provides It is a kind of have stabilization, antivibration, anti-pinch, performance screen autorotation control system, not only may be implemented to shield between horizontal, vertical screen Automatically switch, can also need to be operated manually according to user, provide better operating experience and seeing and hearing enjoyment for user； Simultaneously the system according to manually or automatically rotate respectively have stablize, reliably in place locking, disappear slot sytem, can be effective Avoid fuzzy pictures or flutter failure caused by the shake of screen caused by road shocks in driving conditions；And this system has Standby dual anti-clamping system can effectively carry out security protection.

In addition, in this embodiment, improving the whole bending resistance of rotating mechanism 100, the antitorque loaded performance of static state emphatically. And in entire mechanism, in addition to the fixation bracket 200 connecting with vehicle, other realize manual, automatic rotation function mechanism (driving unit 30, clutch unit 20 and installation unit 10) forms a complete module.As long as that is, change one With the interface structure of vehicle cooperation, use environment other than this mechanism general other vehicles of energy or even automobile, significant increase Versatility and interchangeability.

Machine core can use planetary gear train or two-stage worm screw, Helical gear Transmission system, have the advantage that system 1) Mechanism is compact, small in size, light-weight；2) stable drive, noise are low, and transmission ratio is high, slowing effect is obvious；3) flexible layout, Convenient for cabling.The requirement of more applicable whole structure spaces compact, vehicle freight weight limit, while body can also be preferably driven to user It tests；

The principle of work and power and operating process of the rotating mechanism 100 of brief description above-described embodiment:

1) transfer route of the rotating mechanism 100 under automated manner:

By machine core, the output torque of driving motor 32 is subjected to deceleration torque increase, by secondary gear worm screw realize (but Slowing-down structure is not limited to this, and gear worm transmission ratio is big and can realize crossed-axes gear drive), pass through the output of slow speed turbine stage gear Portion 334a delivers torque to recessed packet lock ring, and the output torque of driving motor 32 is less than the opening force of manual mode at this time, in Be that recessed packet lock ring is opposing stationary with convex closure lock ring and can rotate simultaneously, and drive rotating disk 13, connecting bracket 400 and Touch screen rotation.Design has stroke barricade in rotating disk 13, when the limited post on the casing 31 for turning over 90 ° of Shi Huiyu machine cores connects It touches and is limited.

After the limited post limit on machine core, 32 stall of driving motor and electric current increase, control system detect that stall is believed Number and touch screen built in gyroscope pass out signal in place, control system identifies in place, and breaks to driving motor 32 Electric treatment, the power of driving unit 30, which transmits, to interrupt, the locking in place of rotating mechanism 100；

2) transfer route of the rotating mechanism 100 under manual mode:

Under automated manner, recessed packet lock ring, convex closure lock ring is opposing stationary rotates together, but under manual mode by Worm and gear inside machine core has self-locking function, and the slow speed turbine stage gear of the output section 334a of machine core is locked, cannot be by hand The dynamic torque drive provided, while recessed packet lock ring cannot also be rotated by the constraint of slow speed turbine stage gear.Then there was only convex closure lock Only ring follows connecting bracket 400 and touch screen to rotate integrally, at this time.Torque transfer route rotates touch screen by manpower, warp By connecting bracket 400 to rotating disk 13 again to convex closure lock ring.Pass through convex closure lock ring, the mutual lock of recessed packet lock ring at this time Only realize the latch functions in place under manual mode.

3) locking and guard system in place:

Latch functions pass to front sleeve by the concave-convex packet lock ring that is applied to that spring assembly compressive deformation provides again in place The normal pressure of end face guarantee；Sufficiently large system normal pressure between each component contact face can effectively completely cut off from solid Fixed rack 200 is transferred to influence of the road shocks to touch screen of system, so that transmission system is effectively protected, into One step improves the reliability of system.One end of automated manner lower rotating disc 13 is connected using buckle and convex closure lock ring, then is led to The spring crossed in front sleeve compresses associated part, which can effectively prevent because backlash exists and leads in machine core The micro- convolution of quivering of the touch screen of cause avoids its caused vision from stopping phenomenon, while micro- dozen tooth that quivers in vibratory impulse being prevented to cause Transmission system destroy risk, to ensure that the stabilization of system, resistance to shock.

And having for 90 ° of rotating distances is realized in the design that manual mode passes through the limited post of concave-convex packet lock ring and rotating disk 13 It imitates locking and avoids diastema.Recessed packet lock ring is provided with 4 recessed packets (i.e. lock groove), apart 90 ° of each recessed packet, convex closure lock ring Equipped with 4 convex closures (i.e. locking tooth), can be adapted to respectively with the recessed packet of recessed packet lock ring in two endpoints of rotating distance.And it is recessed Convex closure section is arc-shaped, had not only been able to achieve expliciting the position but also can take into account preferable feel.Recessed packet is slightly smaller than convex closure, can be to avoid Because of the card incomplete phenomena that manufacturing tolerance generates, reduce to concave-convex lock ring, position accuracy demand, it can be to avoid production error Component caused by the gap of generation shakes, is unstable.It is equipped with oil storage tank in the end face of recessed packet lock ring, greatly improves concave-convex packet Frotteurism when relative rotation improves the service life of components, also improves hand when user hand turn is moved to a certain extent Sense.

By above-mentioned introduction, the critical component of manual mode is convex closure lock ring, recessed packet lock ring, and automated manner is the two Component is temporarily fastened together, and realizes automatic rotation by machine core output automatic power.Outstanding feature be exactly have it is manual, automatic Two operating modes, the opening force of manual mode set a more appropriate threshold values, it is desirable that its output torque for being greater than machine core and There are certain surpluses, it can realizes and manually, automatically switches, is then the output by recessed packet lock ring and machine core in structure 334a connection torsion pass in portion realizes what two modes coexisted.

It 4) is the riding experience for improving client, this system touch screen is rotated (about 6~10r/ with extremely slow revolving speed Min), this requires machine core have biggish transmission ratio, about 1500~2000 or so.It can be laid out and be selected according to specific structure The twin worm deceleration system of planetary gear speed reducer or two-stage worm and helical gear, whole pivot design is hollow structure, convenient The design of latch system.

5) this rotary system is by embedding current-limiting circuit plate 35, after detecting is more than to set the electric current of threshold values, to driving Motor 32 carries out power down process, to realize the safe anti-pinch and overload protection of system.

6) in place and abnormal position control: 90 ° of touch screen in place or meet external drag and cause anti-pinch instruction starting, It is to rise by electric current, is more than that current limliting platelet designs threshold values, system carries out power down process to driving motor 32 to realize, driving After dynamic motor 32 powers off, control system can be according to the signal of gyroscope transmitting built in touch screen, to judge whether touch screen is in Exception bits indicate that driving motor 32 powers off if showing that touch screen is in transverse screen position or vertical screen position if gyroscope transmitted number It is on the contrary then determine that touch screen is in exception bits to power off in place, determine that the power-off of driving motor 32 is the abnormal power-off that is hampered, then goes out Picture is now warned, client is reminded to carry out foreign matter investigation, selects restarting playback after resistance disappears, then according to client.It is abnormal Position judgement includes the manual operation under automatic operating state, and actual exception bits feedback processing can be defined according to customer requirement Carry out design software function, the limit locking structure of this scheme can sufficiently adapt to different software function definition on physical layer (control about abnormal position).

7) component of entire mechanism is all hollow design, so that harness cabling is reasonable, beautiful after screen, line outlet has compared with great circle Angle, also for preventing secant.

8) above-mentioned rotating mechanism 100 is the rotary system that centers, i.e., rotation center remains constant in rotary course, because This can be by using the connecting bracket 400 of unified interface, to realize the matching between more size terminals, compatibility, to improve The versatility of product, facilitates product control at save the cost.

9) touch screen is suspended in console, and instrument desk face can be made cleaner and tidier, beautiful.

To sum up, this patent is related to manual, the automatic rotating system of a kind of touch screen, which may be implemented following functions:

1) automatic switchover of the touch screen between horizontal, vertical screen two states；

2) it is the experience of enhancing user, manual, automatic two kinds of rotary modes is provided；

3) the automatic positioning locking after being rotated in place can carry out the transmission system inside machine core with external impact effective Isolation, not only can to avoid because of the micro- convolution of quivering of touch screen caused by backlash etc. inside transmission system, raising system stability and Stabilization, vibration resistance, at the same can also damage to avoid foreign impacts to transmission system, improve system reliability and service life；

4) stabilization of system, antivibration；

5) system overload protection and safe anti-pinch；

6) more size terminal matching compatibilities, suitability are strong.

7) clutch unit 20 and machine core are respectively a module, are not rigidly connected between the two, only limit direction of rotation Freedom degree, and be to be connected respectively with fixed bracket 200.Two modules can be dismantled respectively, replacement easy to repair.In this way, The modularized design that auto-manual rotates integrally mechanism 100 is realized again, except the fixation bracket 200 cooperated with car body and is touched Shield the connecting bracket 400 of connection, remaining part forms a complete module, and being applicable to any a vehicle or even other has In the product of rotation function demand, there is interchangeability and generally applicable property as standard component, significant increase product The scope of application can be used for actual production use.

This programme does not connect entire mechanism using perforation shaft, but machine core output section 334a and rotating disk 13 are carried out Axial docking is not connected but, can divide whole rotating mechanism 100 for three parts: the fixation bracket 200 that is docked with external environment, Machine core and clutch unit 20 with clutch function, rotary part constrain in one little module of interior formation by sleeve.Clutch at this time Unit 20 and machine core are connected respectively at fixed bracket 200 and axial freedom is unrestricted each other, can normal torsion pass. What be can be convenient simultaneously dismantles machine core system, and formation only has the mechanism that can be manually rotated function.Since rotating structural elements are by about Shu Chengyi module, machine core failure can be replaced freely, and the operation such as maintenance, replacement is facilitated.

8) when can be manually rotated, bumps packet is relatively rotated, and recessed coating, which squeezes, to be retreated, and convex closure axial position is constant, then touches Touching screen will not be moved forward and backward when rotated, and user experience is much better.

9) present invention is mainly used for the rotating mechanisms of touch screen；It is equally applicable to other electronic products for having rotation to require.

10) recessed packet lock ring, convex closure lock ring, spring are by restraining sleeve, and sleeve is divided into two parts, by concave-convex packet locking After the components such as ring, spring, end face bearing 24 are packed into, sleeve two parts are fastened, and internal part is free to rotate.After sleeve is stretched out Structure is connected with connecting bracket 400.Two parts sleeve binding site there are avoid holes, convex closure lock ring stretch out avoid holes and with Rotating disk 13 connects, because the two rotates together.Such assembly method realizes the independent module of clutch unit 20, With the purpose of the non-rigid connection of machine core.

It should be noted that it is above-mentioned about installation unit 10, clutch unit 20, driving unit 30 each embodiment not The lower of the case where runing counter to can be combined with each other with the embodiment for forming more about rotating mechanism.

The invention also discloses a kind of vehicles.The vehicle of embodiment includes: display terminal 300 according to a second aspect of the present invention And the rotating mechanism, fixed bracket 200 are installed on the car body of vehicle, display terminal 300 is installed on the rotating mechanism 100 installation unit 10.

In this way, the display terminal 300 of the vehicle of the embodiment of the present invention can carry out multi-angle use, for example hand can be passed through Dynamic or automatic mode switches between horizontal/vertical screen.

It should be noted that above-mentioned display terminal 300 can be setting multimedia inside the vehicle, navigation, touch screen, The display terminal 300 is not limited to just be integrated on vehicle in vehicle release, is also possible to when leaving the factory and is not disposed on vehicle Console on but can apply and be integrated in the display terminal 300 on vehicle.

In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, it is merely for convenience of description of the present invention and simplification of the description, rather than the structure or unit of indication or suggestion meaning It must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, Define " first ", the feature of " second " can explicitly or implicitly include one or more of the features.In the present invention Description in, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, The scope of the present invention is defined by the claims and their equivalents.

Claims

1. a kind of rotating mechanism for display terminal characterized by comprising

Installation unit, the installation unit is for installing display terminal；

Clutch unit, the clutch unit include clutch component, the clutch component have the first joint portion for working in coordination and Second joint portion, first joint portion are connect with the installation unit；And

Driving unit, the driving unit have the output section of exportable torque, and the output section and second joint portion can Releasably it is connected and torque can be transmitted, first joint portion and the second joint portion is often mutually locked.

2. according to claim 1 for adjusting the rotating mechanism of display terminal, which is characterized in that the clutch unit position Except the casing of the driving unit.

3. according to claim 1 for adjusting the rotating mechanism of display terminal, which is characterized in that the clutch unit is extremely Small part is located within the installation unit.

4. according to claim 3 for adjusting the rotating mechanism of display terminal, which is characterized in that the installation unit packet Rotating disk is included, for installing the display terminal, the rotating disk is connect the rotating disk with first joint portion, and described The one end at rotating disk towards first joint portion has the first groove, and first joint portion is at least partially disposed at described first In groove.

5. according to claim 4 for adjusting the rotating mechanism of display terminal, which is characterized in that second joint portion It is at least partially disposed in first groove.

6. according to claim 1 for adjusting the rotating mechanism of display terminal, which is characterized in that the installation unit packet Rotating disk is included, the rotating disk is integrally formed for installing the display terminal, the rotating disk and first joint portion.

7. according to claim 1 for adjusting the rotating mechanism of display terminal, which is characterized in that the installation unit packet Include rotating disk, the rotating disk is for installing the display terminal, first joint portion and the rotating disk removably phase Even.

8. according to claim 1 for adjusting the rotating mechanism of display terminal, which is characterized in that first joint portion Multiple bonding stations are engaged and had with second joint portion, and the installation unit is configured to be turned manually to drive First joint portion rotationally switches between multiple bonding stations relative to second joint portion.

9. according to claim 1 for adjusting the rotating mechanism of display terminal, which is characterized in that the driving unit Casing has radial holding mechanism, and the output section is rotatably located on the radial holding mechanism to limit radially Position.

10. according to claim 9 for adjusting the rotating mechanism of display terminal, which is characterized in that the driving unit Casing tool there are two empty set setting outer ring and inner ring, it is described radial direction holding mechanism include the outer ring and the inner ring, institute It states and limits annular chamber between outer ring and the inner ring, the output section is at least partially disposed in the annular chamber.

11. according to claim 10 for adjusting the rotating mechanism of display terminal, which is characterized in that the driving unit Casing include: body, rear chassis and front cover, the rear chassis is connected with the rear end of the body and has annular The second shaft portion, the front cover is connected with the front end of the body and has the stop collar of annular, the stop collar empty set To limit annular chamber outside the second shaft portion, the output section is at least partially disposed in the annular chamber.

12. according to claim 11 for adjusting the rotating mechanism of display terminal, which is characterized in that the output section to It is preceding to stretch out outside the front cover.

13. according to claim 9 for adjusting the rotating mechanism of display terminal, which is characterized in that the driving unit Output gear with annular, the output gear are set in outside the second shaft portion, and the output section is formed in the output On gear.

14. according to claim 13 for adjusting the rotating mechanism of display terminal, which is characterized in that second engagement Portion include for first joint portion locking engagement disk and with it is described engage disk deviate from first joint portion one end Connected connector sleeve, the connector sleeve are connected with the output gear.

15. according to claim 1 for adjusting the rotating mechanism of display terminal described in any one of -14, which is characterized in that institute Stating clutch unit further includes shell, and a part at the first joint portion of the clutch component and second junction are in described In shell, the installation unit is located at outside the shell, the another part at first joint portion stretch out the shell it is outer with The installation unit connection.

16. the rotating mechanism according to claim 15 for display terminal, which is characterized in that first joint portion A part is stretched out from the side of the shell to be fixedly connected with the installation unit.

17. the rotating mechanism according to claim 16 for display terminal, which is characterized in that the side of the shell has There are avoid holes, first joint portion has the first engaging lug, and first engaging lug stretches out the shell from the avoid holes It connect outside and with the installation unit.

18. the rotating mechanism according to claim 17 for display terminal, which is characterized in that first engaging lug can It is slidably set in the avoid holes, and can cooperate with the both ends of the avoid holes respectively to carry out stroke to the installation unit Limit.

19. the rotating mechanism according to claim 17 for display terminal, which is characterized in that the shell includes first Outer housing and second housing body, first outer housing are detachably connected with the second housing body, and the avoid holes are by institute It states the first outer housing and the second housing body limits jointly.

20. the rotating mechanism according to claim 17 for display terminal, which is characterized in that the installation unit includes Second engaging lug of rotating disk and the one end for being connected to the rotating disk, the rotating disk is located at one end of the shell, described Second engaging lug is located at the shell and the whole outside of first engaging lug, second engaging lug and first engaging lug It is fixedly connected.

21. the rotating mechanism according to claim 20 for display terminal, which is characterized in that the rotating disk have with Second engaging lug is located at the first shaft portion of the same end, and the first shaft portion protrudes into described along the axial direction of the clutch unit It is connect in one joint portion and with first joint portion by spline.

22. the rotating mechanism according to claim 21 for display terminal, which is characterized in that the rotating disk has ring Around the first groove of first shaft portion setting, the shell of the clutch unit is extending at least partially into first groove.

23. the rotating mechanism according to claim 22 for display terminal, which is characterized in that the rotating disk has the Two grooves, first groove and second groove are located at the both ends of the rotating disk, and the display terminal passes through company It connects bracket to connect with the installation unit, second groove is suitable for accommodating and connects the connecting bracket.

24. the rotating mechanism according to claim 15 for display terminal, which is characterized in that the driving unit and institute The both ends that installation unit is located at the shell of the clutch unit are stated, the output section is stretched out outside the casing and insertion is located at In the second joint portion in the shell.

25. the rotating mechanism according to claim 1 for display terminal, which is characterized in that the clutch unit also wraps The elastic component being set in the shell is included, the elastic component, the clutch component are respectively positioned in the shell, and the elastic component is normal It pushes against second joint portion and compresses first joint portion on perpendicular to the rotation direction.

26. the rotating mechanism according to claim 25 for display terminal, which is characterized in that

The elastic component is coated at the connector sleeve at second joint portion and is clipped in the shell in the axial direction and connects with described second Between the engagement disk in conjunction portion, the connector sleeve is placed in the output section.

27. the rotating mechanism according to claim 1 for display terminal, which is characterized in that the driving unit also wraps It includes:

Driving motor, the driving motor are arranged in the casing, and the driving motor has output shaft；

Retarder, the retarder are at least primary transmission mechanism and include at least worm screw straight-tooth transmission mechanism, and the worm screw is straight Tooth transmission mechanism includes intermeshing worm screw and spur gear, the direct or indirect output shaft with the driving motor of the worm screw Connection, the output section is formed on the spur gear and stretches out outside the casing.

28. the rotating mechanism of display terminal is used for described in any one of -27 according to claim 1, which is characterized in that whirler Structure further includes fixed bracket, the clutch unit, the driving unit each independently with the fixed bracket removably phase Even, the fixed bracket with car body for connecting.

29. a kind of vehicle characterized by comprising

Display terminal；And

The rotating mechanism for display terminal as described in any one of claim 1-28, the rotating mechanism are direct or indirect It is installed on the car body of vehicle, the display terminal is installed on the installation unit of the rotating mechanism.