CN110143170A

CN110143170A - For adjusting executing agency and the vehicle of display terminal

Info

Publication number: CN110143170A
Application number: CN201810142900.8A
Authority: CN
Inventors: 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: 2019-08-20
Anticipated expiration: 2038-02-11
Also published as: CN110143170B

Abstract

The executing agency that the invention discloses a kind of for adjusting vehicle-mounted display terminal and with its vehicle, executing agency includes: installation unit, and the installation unit is for installing display terminal；Driving unit, the driving unit includes power source and retarder, the input terminal of the retarder is connected with the output shaft of the power source, the output end of the retarder is connected with the installation unit, the retarder includes active worm screw and driven spur gear, the active worm screw is connected with the output shaft of the power source, and the driven spur gear is engaged with the active worm screw.Executing agency of the invention, using worm screw spur gear deceleration mechanism, the mechanism is compact, small in size, light-weight, and stable drive, noise are low, easy to process, the entire deceleration mechanism flexible layout of spur gear is convenient for cabling, the requirement of more applicable whole structure spaces compact, vehicle freight weight limit, while the better riding experience of user can also be given.

Description

For adjusting executing agency and the vehicle of display terminal

Technical field

The invention belongs to display terminal regulation technology fields, in particular to a kind of for adjusting holding for display terminal Row mechanism and vehicle.

Background technique

As requirement of the Hyundai Motor in entertainment orientation, intelligence is continuously improved and mobile device becomes increasingly popular, make Function, the form of vehicle mounted multimedia is increasingly rich, can with mobile phone, computer interconnection or can be connect with internet it is multi-functional, Large scale vehicle-mounted display terminal has become the main trend of future development, but at present the fixed form of vehicle-mounted display terminal mostly with The single-mode of transverse screen or vertical screen is directly fixed on instrument desk.This form is in images such as picture and the videos for facing different size It can not achieve equal proportion, full screen display when resource, while the personal use habit of different user can not be taken into account.

Since the structure of man-operated mechanism and motor drive mechanism is difficult to integrate, in the related technology, in order to solve the above-mentioned technical problem, It has developed purely manual or motor drive mechanism and carrys out rotary vehicle-mounted display terminal, on the one hand structure is complicated for these mechanisms, on the other hand difficult Operated manually or electrically it is accustomed to taking into account, and due to vehicle-mounted display terminal free-standing, easily shakes and shake with vehicle, exist Room for improvement.

Motor drive mechanism is usually mounted with retarder, and retarder in the related technology, structure is complicated, and components moulding process Complexity, there are rooms for improvement.

Summary of the invention

The present invention is directed at least solve it is existing present in one of technical problem.For this purpose, the present invention proposes one kind for adjusting The executing agency of display terminal is saved, executing agency's stable drive, noise are low, easy to process.

The present invention also proposes a kind of vehicle with above-mentioned executing agency.

Embodiment includes: installation unit for adjusting the executing agency of display terminal according to a first aspect of the present invention, institute Installation unit is stated for installing display terminal；Driving unit, the driving unit include power source and retarder, the retarder Input terminal be connected with the output shaft of the power source, the output end of the retarder is connected with the installation unit, described to subtract Fast device includes active worm screw and driven spur gear, and the active worm screw is connected with the output shaft of the power source, described driven straight Gear is engaged with the active worm screw.

The executing agency according to the present invention for being used to adjust display terminal, driving unit use worm screw spur gear speed reducer Structure, the mechanism is compact, small in size, light-weight, and stable drive, noise are low, easy to process, the entire deceleration mechanism cloth of spur gear Cabling, the requirement of more applicable whole structure spaces compact, vehicle freight weight limit flexibly, are convenient for, while user can also be given better in office Riding experience.

The vehicle of embodiment according to a second aspect of the present invention, including display terminal and according to the present invention above-mentioned execution machine Structure, the executing agency are installed on car body, and the display terminal is installed on the installation unit of the executing agency.

Vehicle according to an embodiment of the present invention, with above-mentioned executing agency compared with the existing technology possessed by advantage phase Together, details are not described herein.

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 explosive view of executing agency according to an embodiment of the invention；

Fig. 2 is the side view after executing agency's assembly according to an embodiment of the invention；

Fig. 3 is the cross-sectional view in Fig. 2 at A-A；

Fig. 4 is the second joint portion according to an embodiment of the invention and the structural representation that the driven spur gear of second level integrates Figure；

Fig. 5 is the structural schematic diagram at the first joint portion according to an embodiment of the invention；

Fig. 6 is the structural schematic diagram of clutch unit according to an embodiment of the invention；

Fig. 7 is the structural schematic diagram of clutch unit in accordance with another embodiment of the present invention；

Fig. 8 is rotating disc according to an embodiment of the invention and the structural schematic diagram that installation axle integrates；

Fig. 9 is the cross-sectional view in Fig. 8 at B-B；

Figure 10 is the partial schematic diagram of the entire executing agency of installation axle string device according to an embodiment of the invention；

Figure 11 is the side view after driving unit assembly according to an embodiment of the invention；

Figure 12 is the explosive view of driving unit according to an embodiment of the invention；

Figure 13 is the explosive view of the driving unit of another embodiment according to the present invention；

Figure 14 and Figure 15 shows respectively the schematic diagram of angle α and angle beta；

Figure 16 is the structural schematic diagram of driving unit in accordance with another embodiment of the present invention；

Figure 17 is the explosive view of driving unit in accordance with another embodiment of the present invention；

Figure 18 is the explosive view of clutch unit according to an embodiment of the invention；

Figure 19 is the explosive view (showing radial holding mechanism) of driving unit according to an embodiment of the invention.

Appended drawing reference:

Executing agency 100,

Mounting bracket 11, cavity 11a, rotating disc 13, the first groove 13a, the second groove 13b, limiting slot 14, installation axle 15,

First joint portion 21, the second joint portion 23, oil groove 24, engagement disk 25, connector sleeve 26,

Lock groove 25, locking protrusion 27,

Driving unit 30, power source 31, level-one active worm screw 32, the driven spur gear 33 of level-one, second level active worm screw 34, two The driven spur gear 35 of grade, gear face bearing 36, body 37a, rear chassis 37c, casing upper cover 37d, sleeve 37e, before casing Cover 37f, axial limiting portion 37g, partition 37h, avoid holes 37j, the first chamber 37k, the second chamber 37m, axle sleeve 37n, stop collar 37p, Seam allowance 38 is limited,

Elastic component 40, elastic component end face bearing 41, axial limiting part 42,

Pedestal 50,

Display terminal 200.

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 element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.

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 " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, limit There is the feature of " first ", " second " to can explicitly or implicitly include one or more of the features surely.Of the invention In description, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

It is described below with reference to Fig. 1-Figure 19 according to an embodiment of the present invention for adjusting the executing agency of display terminal 200 100, which is used to rotate display terminal 200, for example switches display terminal 200 between transverse screen or vertical screen, or Person's display terminal 200 turns to other angles, and display terminal 200 can be touch screen etc..

As shown in Figure 1-Figure 3, according to an embodiment of the invention for adjusting the executing agency 100 of display terminal 200 It include: installation unit, clutch unit, driving unit 30.

Wherein, installation unit is for installing display terminal 200, display terminal 200 can be fixedly installed in installation unit or Both persons can be detachably connected.

With reference to Fig. 1, Fig. 3 and Fig. 9, installation unit may include: mounting bracket 11, rotating disc 13 and installation axle 15.

Mounting bracket 11 (is equipped with the corresponding interface knot for installing display terminal 200, mounting bracket 11 and display terminal 200 Structure) by bolt be connected or mounting bracket 11 can integrate in the back side of display terminal 200.Mounting bracket 11 and rotating disc 13 are connected, and realize and be connected that optionally, mounting bracket 11 can by buckle and two screws between mounting bracket 11 and rotating disc 13 Releasably it is installed on rotating disc 13.

As shown in Fig. 1, Fig. 3, Fig. 9, rotating disc 13 have the first groove 13a and the second groove 13b, the first groove 13a and Second groove 13b is located at the both ends of rotating disc 13.

The one end at rotating disc 13 towards the first joint portion 21 of clutch unit has the first groove 13a, the first joint portion 21 It is at least partially disposed in the first groove 13a, to shorten the axial distance of entire executing agency 100, it is preferable that as shown in figure 3, whole A first joint portion 21 is located in the first groove 13a, and the second joint portion 23 of clutch unit is at least partially disposed at the first groove 13a Interior, further, entire second joint portion 23 is located at the axis for further shortening entire executing agency 100 in the first groove 13a To distance, the whole axial length of executing agency 100 is short, arranges that more compact reasonable and connection is closer.Display terminal 200 is logical It crosses connecting bracket 11 to connect with installation unit 10, the second groove 13b is suitable for accommodating and connecting bracket 11.Specifically, connecting bracket 11 can be by the connection of at least one of modes realization and rotating disc 13 such as being clamped and being bolted, and connecting bracket 11 can To be formed as annular and including multiple connection pawls being distributed in a ring, multiple connection pawls can protrude into and be plugged into the second groove 13b It is interior.Not only connecting bracket 11 invades in rotating disc 13 in this way, but also rotating disc 13 can be at least partially extend into multiple connection pawls Limit in the cavity 11a at display terminal rear, in this way, the installation unit at 200 rear of display terminal is rationally utilized The space of itself significantly reduces the whole axial length of executing agency 100, arranges that more compact reasonable and connection is closer.

As shown in Figures 2 and 3, rotating disc 13 is connect with 21 power coupling of the first joint portion, and rotating disc 13 is engaged with first Portion 21 is connected by spline, for example rotating disc 13 is equipped with internal spline, the back at the first joint portion 21 away from the end face of display terminal 200 End face from the second engaging portion 23 is equipped with external splines.

Certainly, rotating disc 13 can also be integrally formed with the first joint portion 21, can reduce zero for needing to assemble in this way Number of packages mesh reduces assembly process.

As shown in figure 9, rotating disc 13 can be disc, and the centre of rotating disc 13 is equipped with circular through hole, i.e. rotating disc 13 be annular, and installation axle 15 extends in the axial direction from the inner edge of rotating disc 13.Rotating disc 13 is connected with installation axle 15, installation axle 15 It can be formed as one with rotating disc 13.Certainly, installation axle 15 can be split type with rotating disc 13, and pass through clamping structure phase Even.

Installation axle 15 penetrates through clutch unit, driving unit 30, and installation axle 15 is used to all parts conspiring to create entirety, installation axle 15 do not transmit power, rotating disc 13 rotate when, installation axle can with turn or do not rotate.Installation axle 15 can be hollow shaft, with Mitigate weight, is convenient for cabling.Clutch unit is located at except the shell of driving unit 30.

As shown in Figure 6 and Figure 7, clutch unit include the first joint portion 21 and the second joint portion 23, the first of clutch unit Joint portion 21 is connect with installation unit, and power transmission can be carried out between the first joint portion 21 and installation unit, clutch unit Second joint portion 23 is often mutually locked with the first joint portion 21, and the second joint portion 23 of clutch unit is engaged with the first joint portion 21 When, that is, locking, the first joint portion 21 engages with the second joint portion 23 and has multiple bonding stations, and installation unit is configured to can It is turned manually to drive the first joint portion 21 rotationally to switch between multiple bonding stations relative to the second joint portion 23. When second joint portion 23 is engaged with the first joint portion 21, clutch unit can transmit torque, and the second joint portion 23 is engaged with first Portion 21 has multiple bonding stations, for example, being formed on the end face that the first joint portion 21 is oppositely arranged with the second joint portion 23 multiple Bonding station.The output end of driving unit 30 is connect with 23 power coupling of the second joint portion, and clutch unit is located at driving unit 30 Shell outside.

Or clutch unit includes the first joint portion 21 and the second joint portion 23 that end face is oppositely arranged, and the first joint portion 21 and second one in two end faces toward each other of joint portion 23 there are multiple lock grooves 25, another has at least one Locking protrusion 27, executing agency 100 can also include for providing the component of axial pre tightening force, and each locking protrusion is suitable in axis It is engaged at least two lock grooves 25 so that the second joint portion 23 is adapted at least to the first joint portion 21 under the action of to pretightning force The two bonding stations engagement being distributed in the circumferential, when changing bonding station, the second joint portion 23 is with driving unit 30 in axis Keep opposing stationary upwards, the first joint portion 21 is moved towards the direction away from the second joint portion 23 in the axial direction, the first joint portion 21 connect with installation unit, and the output end of driving unit 30 is connect with the second joint portion 23.

When changing bonding station, the second joint portion 23 keeps opposing stationary with driving unit 30 in the axial direction, and first connects Conjunction portion 21 is moved towards the direction away from the second joint portion 23 in the axial direction.Thus, it is possible to prevent the inside zero of driving unit 30 Part shakes, and the driving and transmission of such driving unit 30 are more stable.

Driving unit 30 can be electric drive formula, hydraulic drive type, pneumatic type etc..

As shown in figure 4, clutch unit can be located at except the shell of driving unit 30, in this way, when assembling clutch unit, It is not easy to interfere with each components of driving unit 30, and individually need not design clutch unit in the shell of driving unit 30 Installation space, can simplify design.Further, since the first joint portion 21 of clutch unit and the second joint portion 23 are in hand It can relatively rotate in dynamic model formula, if a part of clutch unit is located in the shell of driving unit 30, in executing agency The problems such as stuck may occur in 100 operational process.

Clutch unit is at least partially disposed within installation unit.Such as the first joint portion 21 as described in above-described embodiment or Second joint portion 23 is at least partially disposed in rotating disc 13, and it is long that the whole axial direction of executing agency 100 can be significantly reduced in this way Degree arranges that more compact reasonable and connection is closer.

First joint portion 21 and the second joint portion 23 are often mutually locked, and installation unit is configured to be turned manually with band Dynamic first joint portion 21 rotationally switches between multiple bonding stations relative to the second joint portion 23.

When driving unit 30 works, the second joint portion 23 is engaged with the first joint portion 21, it is to be understood that in normality Lower first joint portion 21, the second joint portion 23 are interconnected under the action of axial pre tightening force, can transmit torque, driving force edge The second joint portion driving unit 30- the first joint portion 23- 21- rotating disc 13- mounting bracket 11- display terminal 200 transmits, thus Display terminal 200 is rotated, realizes the rotation or horizontal/vertical screen switching of display terminal 200.

First joint portion 21, the second joint portion 23 form circumferential stiction, this week under the action of axial pre tightening force To stiction formed the first joint portion 21, the second joint portion 23 relatively rotate opening force.When the first joint portion 21 by Torque be greater than the opening force when, the first joint portion 21, the second joint portion 23 relatively rotate to change bonding station；It connects when first When the torque that conjunction portion 21 is subject to is less than the opening force, the first joint portion 21, the second joint portion 23 keep being interconnected to transmit and turn round Square.

Specifically, in 100 course of work of executing agency, driving unit 30 do not work and the first joint portion 21 is subject to When torque is greater than above-mentioned opening force, the second joint portion 23 and the first joint portion 21 are relatively rotated to change bonding station.

For example apply the torque for rotating it to display terminal 200 manually, which passes to first by installation unit Joint portion 21, due to being locked up when driving unit 30 does not work, driving unit 30 is fixedly connected with the second joint portion 23, when above-mentioned When torque is not more than above-mentioned opening force, the first joint portion 21 is remained engaged with the second joint portion 23, and display terminal 200 does not rotate； When above-mentioned torque is greater than above-mentioned opening force, the first joint portion 21 relatively rotates with the second joint portion 23, connects from previous Coincidence, which is set, turns to another bonding station, when the first joint portion 21 turns relative to the second joint portion 23 from first bonding station When moving to the second bonding station, the manual rotation of display terminal 200 can be realized.

The executing agency 100 according to an embodiment of the present invention for being used to adjust display terminal 200, will be manual by clutch unit Rotation display terminal 200 and automatic rotation display terminal 200 are coupled as an entirety, and two kinds of tangent screen modes are non-interference.

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

The clutch unit of the embodiment of the present invention can be used as a part for adjusting the executing agency 100 of display terminal 200, use In the power output for exporting the driving unit 30 of executing agency 100 to display terminal 200, thus by manual function and automatic drive Dynamic Function Coupling is together.

In a kind of embodiment of clutch unit, as shown in Figure 4-Figure 6, clutch unit includes: the first joint portion 21 and The end face at two joint portions 23, the first joint portion 21 and the second joint portion 23 is oppositely arranged, and the first joint portion 21 and the second engagement One in two end faces of portion 23 toward each other has multiple lock grooves 25,23 direction of the first joint portion 21 and the second joint portion Another in mutual two end faces has at least one locking protrusion 27.

Such as first the end face at joint portion 21 be equipped with lock groove 25, the end face at the second joint portion 23 is equipped with locking protrusion 27； Alternatively, the end face at the second joint portion 23 is equipped with lock groove 25, the end face at the first joint portion 21 is equipped with locking protrusion 27.

Each locking protrusion 27 is suitable for being engaged at least two lock grooves 25 so that the second joint portion 23 and the first joint portion 21 are adapted at least to two bonding stations engagement in the circumferential.

As shown in Figure 4-Figure 6, the first joint portion 21, the second joint portion 23 can be circular ring shape, the first joint portion 21 One end face, the second joint portion 23 an end face be oppositely arranged.One end in first joint portion 21, the second joint portion 23 Face is equipped with oil groove 24, and oil groove 24 is for storing lubricating oil, to reduce frictional force, such as the first joint portion 21 and the second joint portion 23 In be equipped with one end face of lock groove 25 and be equipped with oil groove 24, oil groove 24 can be to be multiple, specifically, two adjacent lock grooves Multiple oil grooves 24 are equipped between 25.

One in two end faces of first joint portion 21, the second joint portion 23 toward each other has multiple lock grooves 25, Another has at least one locking protrusion 27, and at least part of locking protrusion 27 protrudes into lock groove 25, and locking protrusion 27 Side and the side wall of lock groove 25 when compressing, locking protrusion 27 is engaged with lock groove 25, and the first joint portion 21, the can be realized The engagement of two joint portions 23.Such as first the end face at joint portion 21 be equipped with lock groove 25, the end face at the second joint portion 23 is equipped with locking Protrusion 27；Alternatively, the end face at the second joint portion 23 is equipped with lock groove 25, the end face at the first joint portion 21 is equipped with locking protrusion 27. For the convenience of description, being only equipped with locking protrusion 27 below with the end face at the first joint portion 21, the end face at the second joint portion 23 is equipped with It is further described for lock groove 25.

First joint portion 21 can be connected as described in above-described embodiment by spline with rotating disc 13 or be formed as one Body, in other optional embodiments, the first joint portion 21 is configured to rotate to disk 13 towards the end face at the second joint portion 23, Locking protrusion 27 is formed in end face, that is to say, that the disk at the first joint portion 21 is eliminated, executing agency 100 entire in this way Light weight.Locking protrusion 27 can be integrally formed end face or locking protrusion 27 in rotating disc 13 towards the second joint portion 23 It is detachably connected with rotating disc 13, it is simpler convenient for the structure of rotating disc 13 in this way, convenient for molding.

Along the evenly-spaced arrangement of circumferential direction at the second joint portion 23, multiple locking protrusions 27 connect multiple lock grooves 25 along first The evenly-spaced arrangement of the circumferential direction in conjunction portion 21, lock groove 25, the number of locking protrusion 27 are identical, for example lock groove 25, locking are convex It plays 27 and is at least three, such as four.In the embodiment that lock groove 25, locking protrusion 27 are four, do not considering to add In the case where work error, the angle of the middle line of two adjacent lock grooves 25 is 90 °, in original state, multiple locking protrusions 27 It is engaged correspondingly with multiple lock grooves 25, when relative to the second joint portion 23 to turn to some locking convex at the first joint portion 21 27 are played when being engaged with another adjacent lock groove 25, the rotation of display terminal can be realized.

Each locking protrusion 27 is suitable for being engaged at least two lock grooves 25 so that the second joint portion 23 and the first joint portion 21 are adapted at least to engage in two bonding stations.Such as some locking protrusion 27, which can lock with two Only slot 25 is engaged, and the angle between the two lock grooves 25 is to indicate that the first joint portion 21, the second joint portion 23 relatively rotate One angle.

As shown in figure 18 or lock groove 25 includes multiple groups, and every group includes multiple lock grooves 25, the lock groove 25 of difference group It is circumferentially staggered, when the bonding station engagement wherein of the first joint portion 21 and the second joint portion 23, multiple lockings are convex The one-to-one correspondence of multiple lock grooves 25 of 27 with wherein one group is played, the first joint portion 21 and the second joint portion 23 turn to another and connect When coincidence is set, multiple locking protrusions 27 and another group of multiple lock grooves 25 are corresponded, wherein phase in two groups of lock groove 25 The angle of the axis of mutual corresponding two lock grooves 25 is 90 °.

The group number of lock groove 25 can be corresponded with the position number of display terminal 200, for example display terminal 200 includes When two positions of horizontal/vertical screen, lock groove 25 is 2 groups, and by taking lock groove 25 includes two groups as an example, every group includes three circumferentially uniform It is spaced apart the lock groove 25 of setting, lock groove 25 described in two groups is circumferentially staggered, such as first group of each lock groove 25 Two sides are respectively provided with one second group of lock groove 25, and in this way in each rotation process, each locking protrusion 27 need to be from one Lock groove 25 is embedded in another lock groove 25, will not fall into non-targeted lock groove 25, first group this lock during rotation Only one angle in slot 25 and second group the two lock grooves 25 is 90 °, first group this lock groove 25 and second Another angle in the two lock grooves 25 of group is 30 °, and locking protrusion 27 includes three, and three locking protrusions 27 are along week To evenly-spaced setting, display terminal can be realized when these three lockings protrusion 27 cooperates from different groups of lock groove 25 200 rotation.

As shown in Figure 4-Figure 6, lock groove 25 and locking protrusion 27 all have arc section, and the root of locking protrusion 27 is wide Degree is greater than the width on the top of locking protrusion 27, and the width of 25 open end of lock groove is greater than the width of 25 bottom of lock groove, locking The width of protrusion 27 gradually becomes smaller from root to top.

When the arcuate flanks of locking protrusion 27 and the curved wall of lock groove 25 compress, the first joint portion 21, second are connect Torque can be transmitted between conjunction portion 23；When torque between the first joint portion 21, the second joint portion 23 is greater than above-mentioned opening force, Opposite sliding occurs for the arcuate flanks of locking protrusion 27 and the curved wall of lock groove 25, and locking protrusion 27 is compressed to the first engagement When the end face at portion 21 or the second joint portion 23, the first joint portion 21 and the second joint portion 23 are detached from, and locking protrusion 27 connects along first The end face at conjunction portion 21 or the second joint portion 23 slides into another lock groove 25, that is, realizes the rotation of display terminal 200.

Due to setting arc lock groove 25 and arc locking protrusion 27, so that the first joint portion 21, the second joint portion 23 exist When by large torque being detached from respect to sliding by arcwall face, be not susceptible to stuck situation.Lock groove 25, locking are convex After playing 27 disengagings, the locking protrusion 27 of arc is slided along the end face at the second joint portion 23, the first joint portion 21, the second joint portion 23 Between frictional force it is small, convenient for sliding into next bonding station rapidly, be not easy stuck.

As shown in Figure 4-Figure 6, along the end on observation of clutch unit, lock groove 25 and locking protrusion 27 are to connect with first Conjunction portion 21 or the second joint portion 23 it is concentric fan annular, lock groove 25 and locking protrusion 27 all have and the first joint portion 21 or the The concentric fan ring section in two joint portions 23.That is, the width of lock groove 25 radially becomes larger from inside to outside, locking The width of protrusion 27 radially becomes larger from inside to outside.It is understood that being passed at the first joint portion 21, the second joint portion 23 When torque delivery, the torque that outer end is subject to is big, can increase the forced area of outer end by the way that above structure is arranged, reduce outer end and pressed By force, the intensity for enhancing outer end prevents from being broken.

As shown in Figure 4-Figure 6, at least part of width of locking protrusion 27 is greater than the width of 25 open end of lock groove, lock Only at least side of protrusion 27 presses on the respective side of lock groove 25 so that locking protrusion 27 is engaged with lock groove 25.So as to Guarantee that each locking protrusion 27 is engaged with corresponding lock groove 25, and in 200 actual rotation angle of display terminal and design angle There are when certain error, each locking protrusion 27 keeps being engaged degree with corresponding lock groove 25, and it is convex to prevent part locking Play 27 and corresponding lock groove 25 empty the case where being engaged.

Preferably, the width of lock groove 25 gradually becomes smaller from open end to bottom, the width of locking protrusion 27 from root to Top gradually becomes smaller, and the width of 25 open end of lock groove is less than the width of raised 27 roots of locking.In other words, lock groove 25 opens wide The central angle of the fan annular at end is less than the central angle of the fan annular of raised 27 roots of locking, engages at the first joint portion 21, second When portion 23 engages, occlusal position and locking protrusion 27 and the circumferentially aligned position of lock groove 25 of the locking protrusion 27 with lock groove 25 It is related.

It is understood that ideally (mismachining tolerance for not considering locking protrusion 27 with lock groove 25), Mei Gesuo Only the two sides equal-height position of boss is compressed with the two sides of the open end of lock groove 25 edge respectively；Due to mismachining tolerance, for example, it is adjacent The angles of two locking boss be not equal to 90 °, the width of each locking boss differs, part locking boss and corresponding locking Slot 25 may be that unilateral side compresses, at least side of locking protrusion 27 press on the respective side of lock groove 25 so that locking protrusion 27 with Lock groove 25 is engaged.

That is, the locking protrusion 27 and lock groove 25 that pass through setting above structure form, it is ensured that each locking Protrusion 27 is engaged with corresponding lock groove 25, and is existed centainly accidentally in 200 actual rotation angle of display terminal and design angle When poor, each locking protrusion 27 keeps being engaged with corresponding lock groove 25, prevent part locking protrusion 27 with it is corresponding The case where 25 void occlusion of lock groove, a part of another aspect locking protrusion 27 is engaged with lock groove 25, when convenient for manual operation Locking protrusion 27 skids off lock groove 25.

The depth of lock groove 25 is less than the height of locking protrusion 27, and the intensity at such second joint portion 23 is big.

In another embodiment of clutch unit, as shown in Fig. 4, Fig. 5 and Fig. 7, the first joint portion 21, the second joint portion 23 can be circular ring shape, and an end face at the first joint portion 21, an end face at the second joint portion 23 are oppositely arranged.First connects One end face in conjunction portion 21, the second joint portion 23 is equipped with oil groove 24, and oil groove 24 is for storing lubricating oil, to reduce friction Power.

One in two end faces of first joint portion 21, the second joint portion 23 toward each other has multiple lock grooves 25, Another has at least one locking protrusion 27, and at least part of locking protrusion 27 protrudes into lock groove 25, and locking protrusion 27 Side and the side wall of lock groove 25 when compressing, locking protrusion 27 is engaged with lock groove 25, and the first joint portion 21, the can be realized The engagement of two joint portions 23.

Such as first the end face at joint portion 21 be equipped with lock groove 25, the end face at the second joint portion 23 is equipped with locking protrusion 27, Alternatively, the end face at the second joint portion 23 is equipped with lock groove 25, the end face at the first joint portion 21 is equipped with locking protrusion 27.For convenience Description, is only equipped with locking protrusion 27 below with the end face at the first joint portion 21, and the end face at the second joint portion 23 is equipped with lock groove 25 For be further described.

As shown in figure 18, lock groove 25 includes multiple groups, and every group includes multiple lock grooves 25, and the lock groove 25 of difference group is along week To being staggered, when the first joint portion 21 and the bonding station engagement wherein of the second joint portion 23, multiple locking protrusions 27 Multiple lock grooves 25 with wherein one group correspond, and the first joint portion 21 and the second joint portion 23 turn to another engagement position When setting, multiple locking protrusions 27 and another group of multiple lock grooves 25 are corresponded, wherein mutually right in two groups of lock groove 25 The angle of the axis for two lock grooves 25 answered is 90 °.

The group number of lock groove 25 can be corresponded with the position number of display terminal 200, for example display terminal 200 includes When two positions of horizontal/vertical screen, lock groove 25 is 2 groups, and by taking lock groove 25 includes two groups as an example, every group includes three circumferentially uniform It is spaced apart the lock groove 25 of setting, lock groove 25 described in two groups is circumferentially staggered, such as first group of each lock groove 25 Two sides are respectively provided with one second group of lock groove 25, in first group this lock groove 25 and second group the two lock grooves 25 One angle be 90 °, another the folder in first group this lock groove 25 and second group the two lock grooves 25 Angle is 30 °, and locking protrusion 27 includes three, and the circumferentially evenly-spaced setting of three locking protrusions 27 is convex in the presence of three lockings The rotation for playing 27 and display terminal 200 can be realized when different groups of the cooperation of lock groove 25.

As shown in Fig. 4, Fig. 5 and Fig. 7, lock groove 25 and locking protrusion 27 all have arc section, and locking protrusion 27 Root width is greater than the width on the top of locking protrusion 27, and the width of the open end of lock groove 25 is greater than the bottom of lock groove 25 The width of width, locking protrusion 27 gradually becomes smaller from root to top.

Clearance fit, i.e. lock groove 25 are convex greater than locking in circumferential width in the circumferential for lock groove 25 and locking protrusion 27 27 are played in circumferential width, the depth of lock groove 25 is greater than the height of locking protrusion 27, and the width of 25 open end of lock groove is greater than The width of 27 roots of locking protrusion, the unilateral side of locking protrusion 27 presses on the side of lock groove 25 so that locking protrusion 27 and locking Slot 25 is engaged.In this way, an ipsilateral side wall for compressing corresponding lock groove 25 in the circumferential for multiple locking protrusions 27 is realized First joint portion 21 is engaged with the second joint portion 23.

Due to setting arc lock groove 25 and arc locking protrusion 27, so that the first joint portion 21, the second joint portion 23 exist When by large torque being detached from respect to sliding by arcwall face, and lock groove 25, locking protrusion 27 be detached from after, first connects Frictional force between conjunction portion 21, the second joint portion 23 is small, convenient for sliding into next bonding station rapidly, is not easy stuck.

As shown in Fig. 4, Fig. 5 and Fig. 7, along the end on observation of clutch unit, lock groove 25 and locking protrusion 27 be with First joint portion 21 or the second joint portion 23 it is concentric fan annular, lock groove 25 and locking protrusion 27 all have and the first joint portion 21 or the second concentric fan ring section in joint portion 23.That is, the width of lock groove 25 radially gradually becomes from inside to outside Greatly, the width of locking protrusion 27 radially becomes larger from inside to outside.It is understood that being connect in the first joint portion 21, second When conjunction portion 23 transmits torque, the torque that outer end is subject to is big, can enhance the intensity of outer end by the way that above structure is arranged, prevent from being broken.

Manually in order to ensure turning to target angle when rotation display terminal 200, for example target angle can be 90 °, show Show that terminal 200 switches between horizontal/vertical screen, the positioning of pairing is set between the part and rotational parts being fixedly connected with vehicle body Mechanism, such as the shell and rotating disc 13 of driving unit 30 are equipped with the positioning mechanism matched, so that 200 turns of the display terminal The positioning mechanism of two kinds of forms is described below in moving-target angle.

In one embodiment, positioning mechanism includes limiting seam allowance 38 and positioning pin (not shown), as shown in figure 12, The shell of driving unit 30 is set there are two seam allowance 38 is limited, the two limit seam allowances 38 are between the circumferential direction of the shell of driving unit 30 It separates, the two limit the target angle that the angle between seam allowances 38 is rotation, such as 90 °, and rotating disc 13 is equipped with positioning pin, fixed The shell of position pin towards driving unit 30 stretches out, and positioning pin is suitable for compressing limit seam allowance 38, and in initial position, positioning pin is compressed One limit seam allowance 38, rotates display terminal 200, and rotating disc 13 and positioning pin rotate together positioning pin and compress another limit It when seam allowance 38, indicates that display terminal 200 rotate in place, cooperates the lock groove 25 and lock at the first joint portion 21 and the second joint portion 23 Only protrusion 27, it is ensured that the first joint portion 21 and the second joint portion 23 engage always.

In another embodiment, positioning mechanism includes limiting slot 14 and positioning pin (not shown), as shown in figure 8, Rotating disc 13 is equipped with arc-shaped limiting slot 14, and the shell of driving unit 30 is equipped with positioning pin, and positioning pin is towards limiting slot 14 It stretching out, positioning pin can slide in limiting slot 14, and the radian of limiting slot 14 is equal to the target rotational angle of display terminal 200, Positioning pin is suitable for compressing the end of limiting slot 14, when positioning pin turns to the other end from one end of limiting slot 14, that is, indicates aobvious Show that terminal 200 rotate in place, cooperates the lock groove 25 and locking protrusion 27, Ke Yibao at the first joint portion 21 and the second joint portion 23 The first joint portion 21 and the second joint portion 23 is demonstrate,proved to engage always.

In some alternative embodiments, as shown in figures 1 and 3, executing agency 100 further include: elastic component 40, elastic component 40 are pressed between installation unit and driving unit 30 along the axial elasticity of clutch unit so that driving unit 30, clutch unit, Installation unit sequentially compresses, and the elastic pre-stress (i.e. aforementioned axial pretightning force) of elastic component 40 is for making the second joint portion 23 and the The engagement of one joint portion 21, elastic component 40 can be spring.

In manual mode, apply torque to the first joint portion 21, such as rotation display terminal 200 manually, the first engagement Torque is generated between portion 21, the second joint portion 23, when the torque is greater than above-mentioned opening force, locking protrusion 27 is gradually from lock groove 25 abjections, in locking protrusion 27 after the abjection of lock groove 25, the second joint portion 23 is with driving unit 30 in the axial direction with respect to vehicle Motionless, elastic component 40 is compressed, and the first joint portion 21 is moved towards the direction away from the second joint portion 23 in the axial direction, display terminal 200 also move towards the direction away from the second joint portion 23 in the axial direction, i.e., display terminal 200 moves backwards (rear of vehicle).

As shown in Figure 10, elastic component 40 can be set in outside installation axle 15, and be fixed with axial limiting part in installation axle 15 42, axial limiting part 42 can be snap ring, and one end of elastic component 40 compresses axial limiting part 42, and the other end of elastic component 40 compresses Driving unit 30.Axial limiting part 42, installation axle 15, the axial direction of axial restraint connection limitation system between rotating disc 13 are long Degree.In this way, each inter-module being together in series can be made to keep certain normal pressure (pressure is provided by 40 compressive deformation of elastic component), The locking function of realization system realizes axial limiting between each component simultaneously herein.

Preferably, as shown in Figure 10, the other end of elastic component 40 compresses driving unit 30 by elastic component end face bearing 41 Shell, elastic component end face bearing 41 can be thrust bearing.As a result, when display terminal 200 rotates, the shell of driving unit 30 Body is motionless, and installation axle 15 rotates, and elastic component 40 and driving unit 30 can be significantly reduced by the way that elastic component end face bearing 41 is arranged Shell between frictional force.The shell of driving unit 30 has axial limiting portion 37g, forms annular at axial limiting portion 37g Mounting groove, elastic component end face bearing 41 is installed in mounting groove, and compresses side (installation of axial limiting portion 37g The bottom wall of slot), a part of elastic component 40 also is located in the mounting groove, in this way, the axial length of entire executing agency 100 is short. The first groove 13a, the second groove 13b of rotating disc and the cavity 11a structure of mounting bracket 11 are in combination simultaneously, so that whole The arrangement of a mechanism is more compact reasonable and connection is closer.

The method for obtaining normal pressure can also be limited other than this programme using one end axial limiting portion 37g, and one end uses Riveting, axis retainer ring or nut tighten realization.

The structure of the driving unit 30 of the executing agency 100 of the embodiment of the present invention is described below.

As shown in Figure 12 and Figure 13, driving unit 30 includes: power source 31 and retarder, the output shaft of power source 31 with subtract The input terminal of fast device is connected, and the output end of retarder is connected with installation unit or the output end of retarder and the second joint portion 23 are connected, and drive installation unit by the second joint portion 23, the first joint portion 21.

Power source 31 can be motor, oil pump, air pump etc., and retarder can slow down for gear reduction unit, V belt translation, slow down Device may be worm- gear drive mechanism etc..Retarder can be first class reducer structure, or more step reduction mechanism.

Driving unit 30 as shown in Figure 12-Figure 17, for driving display terminal to move, comprising: power source 31 and deceleration Device, retarder include active worm screw and driven spur gear, and active worm screw is connected with the output shaft of power source 31, driven spur gear with The engagement of active worm screw.

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 Figure 16 and Figure 17, the active worm screw of the output shaft of power source 31 and retarder can be removable by connector Connect with unloading, active worm screw may be pivotally mounted to the shell of driving unit 30, and active worm screw in the axial direction of itself with drive The shell location fit of moving cell 30, in other words, active worm screw in the axial direction can not be opposite relative to the shell of driving unit 30 Mobile (not considering fit-up gap).

It is understood that power source 31 exports revolving speed to active worm screw by this connector, when power source 31 damages, Only power source 31 need to be dismantled by connector tearing open since active worm screw is axially positioned in the shell of driving unit 30 When unloading power source 31, engaging for active worm screw and gear in retarder is not influenced, and power source 31 and retarder can pacify respectively Dress is fixed, and influence of the vibration of power source 31 to the components in retarder can be weakened, and prevents active worm screw from swinging.

Driving unit 30 according to an embodiment of the present invention for driving vehicle-mounted display terminal to move, is coupled by setting The Meshing stability of components in retarder can be improved in device, improves the service life of driving unit 30, and can individually overhaul power Engagement situation of the source 31 without will affect gear on worm.

As shown in figure 17, connector includes: the first sub- sub- connector 39b of connector 39a and second, the first sub- connector 39a is fixedly connected with the output shaft of power source 31, and the second sub- connector 39b is fixedly connected with active worm screw, and the second son connection Device 39b and the first sub- connector 39a are detachably connected.

In assembly, the first sub- sub- connector 39b of connector 39a and second is assembled along axially close to each other with realizing, and It circumferentially fixes in the after the assembly is completed first sub- sub- connector 39b of connector 39a and second torque can be transmitted；In disassembly, The first sub- sub- connector 39b of connector 39a and second, mutually away to realize disassembly, does not influence to lead in disassembly in this way along axial Dynamic worm screw.Optionally, the first sub- sub- connector 39b of connector 39a and second divides tooth engagement, such as the first sub- connector by inserting 39a is equipped with multiple gear shapings, and the second sub- connector 39b is equipped with multiple slots, and gear shaping and slot correspond.In disassembly, only need It is detached from gear shaping and slot the first sub- sub- connector 39b disassembly of connector 39a and second.

The shell of driving unit 30 is equipped with axial limiting supporting structure, and active worm screw is supported on axial limiting supporting structure, And the end face of the shaft shoulder of active worm screw and axial limiting supporting structure is oppositely arranged to realize axially position.

As shown in Figure 16 and Figure 17, the shell of driving unit 30 includes: body 37a, front cover 37f, rear chassis 37c。

Body 37a, body 37a limit the first chamber 37k and the second chamber 37m, the first chamber 37k and the second chamber 37m by every Plate 37h is separated, and power source 31 is installed on the first chamber 37k, and active worm screw is installed on the second chamber 37m, and partition 37h is equipped with avoid holes 37j, and active worm screw protrudes into the first chamber 37k and detachably connected, the partition with the output shaft of power source 31 from avoid holes 37j 37h can be equipped with axial limiting supporting structure at avoid holes 37j, and partition 37h is used to distinguish two installation cavitys, and can be right Active snail realizes axial limiting, prevents from causing active worm screw to shake when disassembly power source 31.First chamber 37k deviates from the second chamber 37m Open at one end, rear chassis 37c is connected with body 37a, to close the open end of the first chamber 37k, front cover 37f and body 37a is connected, and to close the open end of the second chamber 37m, connector is installed on the first chamber 37k, and front cover 37f is equipped with axle sleeve 37n, Active worm screw is supported in axle sleeve 37n, and the shaft shoulder of active worm screw and the end face of axle sleeve 37n are oppositely arranged.

When power source 31 needs repairing, dismantle rear chassis 37c, using power source 31 and the first sub- connector 39a as One entirety is separated from the second sub- connector 39b and is dismantled, and in disassembly process, does not influence nibbling for active worm screw and driven spur gear It closes, can prevent from occurring to beat tooth in subsequent use process.

The angle of the axis of the axis of active worm screw and driven spur gear is acute angle.The axis of active worm screw and driven straight-tooth The angle of the axis of wheel is that acute angle is α, is met: 82 °≤α≤88 °.Further, 84 °≤α≤86 °, such as α=85 °, α's Size is determined 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, Worm Wheel System in the related technology is changed Into for worm gear Spur Gear Driving, to avoid encountering the problem of spiral case making performance difference.

In some embodiments, retarder is primary transmission mechanism, and retarder include: level-one active worm screw and level-one from Dynamic spur gear, the output axis connection of level-one active worm screw and power source 31, the output shaft of power source 31 and level-one active worm screw can To be fixedly connected or the output shaft of power source 31 is detachably connected by connector with level-one active worm screw.Level-one is actively Worm screw engages with the driven spur gear of level-one, and the axis of level-one active worm screw and the angle of the axis of the driven spur gear of level-one are sharp Angle.As shown in figure 14, the axis L2 of the axis L1 of level-one active worm screw and the driven spur gear of level-one are projected to and this two axis On the parallel perspective plane of line, the angle for obtaining the axis of level-one active worm screw and the axis of the driven spur gear of level-one is α, is met: 82°≤α≤88°.Further, 84 °≤α≤86 °, such as α=85 °, the size of α is according to the helix angle of level-one active worm screw To determine.That is, level-one active worm screw is not arranged vertically with the driven spur gear of level-one, it can guarantee level-one active snail in this way The meshing state of bar and the driven spur gear of level-one is good, and transmission efficiency is higher.Spur gear it is easy to process, by snail in the related technology Worm and gear transmission is improved to worm gear Spur Gear Driving, to avoid encountering the problem of spiral case making performance difference.

In further embodiments, as shown in Figure 12 and Figure 13, retarder is secondary drive mechanism, and retarder includes: one Grade active worm screw 32, the driven spur gear 33 of level-one, second level active worm screw 34, the driven spur gear 35 of second level.

Wherein, the output shaft of power source 31 is connect with level-one active worm screw 32, and level-one active worm screw 32 can integrate in dynamic Outside the output shaft in power source 31, the output shaft of power source 31 can be fixedly connected with level-one active worm screw or power source 31 it is defeated Shaft is detachably connected with level-one active worm screw by connector.

Level-one active worm screw 32 engages with the driven spur gear 33 of level-one, and the axis and level-one of level-one active worm screw 32 are driven straight The angle of the axis of gear 33 is acute angle, as shown in figure 14, by the axis L1 of level-one active worm screw and the driven spur gear of level-one Axis L2 is projected on the perspective plane parallel with this two axis, obtains the axis and the driven straight-tooth of level-one of level-one active worm screw 32 The angle α of the axis of wheel 33 meets: 82 °≤α≤88 °, further, and 84 °≤α≤86 °, for example, α=85 °, the big rootlet of α Determine according to the helix angle of level-one active worm screw 32.That is, level-one active worm screw 32 is not with the driven spur gear 33 of level-one It is arranged vertically, can guarantee that level-one active worm screw 32 and the meshing state of the driven spur gear 33 of level-one are good in this way, transmission efficiency is more It is high.Spur gear it is easy to process, Worm Wheel System in the related technology is improved to worm gear Spur Gear Driving, to avoid meeting To the problem of spiral case making performance difference.

Second level active worm screw 34 and the driven spur gear 33 of level-one are coaxially disposed, second level active worm screw 34 and the driven straight-tooth of level-one Take turns 33 axially spaced settings, second level active worm screw 34 can be integrally machined with the driven spur gear 33 of level-one or level-one from Dynamic spur gear 33 can be connected by spline with second level active worm screw 34.

The driven spur gear 35 of second level is engaged with second level active worm screw 34, and the driven spur gear 35 of second level is used for output driving unit 30 driving force.The angle of the axis of the axis and driven spur gear 35 of second level of second level active worm screw 34 is acute angle, such as Figure 15 institute Show, the axis L4 of the axis L3 of second level active worm screw 34 and the driven spur gear 35 of second level is projected to parallel with this two axis On perspective plane, the angle β of the axis of second level active worm screw 34 and the axis of the driven spur gear 35 of second level is obtained, is met: 82 °≤β ≤ 88 °, further, 84 °≤β≤86 °, such as β=85 °, the size of β according to the helix angle of second level active worm screw 34 come It is fixed.That is, second level active worm screw 34 is not arranged vertically with the driven spur gear 35 of second level, it can guarantee second level actively in this way Worm screw 34 and the meshing state of the driven spur gear 35 of second level are good, and transmission efficiency is higher.Spur gear it is easy to process, by the relevant technologies In Worm Wheel System be improved to worm gear Spur Gear Driving, to avoid encountering the problem of spiral case making performance difference.

Axis, the axis of clutch unit of the driven spur gear 35 of the axis of level-one active worm screw 32, second level are parallel.Power source The axis of 31 output shaft and the axis of the driven spur gear 35 of second level are parallel and spaced apart.So as to realize the cloth of power source 31 It is parallel with the outbound course of driving unit 30 to set direction, is convenient for trim designs.

When power source 31 does not work, using worm screw self-locking function (helix angle of worm screw be less than angle of friction can touch From lock), the clutch function of overall plan may be implemented, that is, when being manually operated, retarder is self-locking, so that 23 quilt of the second joint portion It is fixed, so that the first joint portion 21 can relatively rotate.

The high-speed rotation of level-one active worm screw 32 is passed to second level active worm screw 34 by the driven spur gear 33 of level-one, in order to drop Vibration during underneath drive, the driven spur gear 33 of level-one can be plastic parts, level-one active worm screw 32, second level active worm screw 34, The driven spur gear 35 of second level is metalwork.

The driven spur gear 35 of second level is connected with the second joint portion 23, to realize power output, such as the driven straight-tooth of second level Wheel 35 is formed as one with the second joint portion 23, according to the functional requirement of second level driven spur gear 35 and the second joint portion 23, two Person can be used different materials and be made, and the driven spur gear 35 of second level is made of wear-resistant material, and the second joint portion 23 is self-lubricating material It is made, such as polyformaldehyde, molybdenum disulfide, boron nitride etc..

As shown in Figure 12 and Figure 13, driving unit 30 can also include: output interface, output interface and the driven straight-tooth of second level Wheel 35 is connected, and output interface is used for output driving power, and output interface can be the second joint portion 23 of clutch unit.

Output interface and the driven spur gear 35 of second level are hollow annular.

First joint portion 21, the second joint portion 23 and the driven spur gear 35 of second level are to walk for convenience using hollow shape Line, loss of weight, and torque input end and output end are not that on the same axis, hollow shaft can will be inputted plus transmission system Output shaft is processed into parallel axis direction, is conducive to the space planning of structure, provides bigger design margin.

Level-one active worm screw 32 is fixed on motor shaft, and one end is stretched out the other end by motor and limited by shell mechanism.Level-one from Dynamic spur gear 33 and second level active worm screw 34 are fixed on the same axis, and because space limits, both ends do not use bearing but have shoulder Axle sleeve, inside have lubrication.The driven spur gear 35 of second level is also to be limited by shell mechanism, and one section is realized one with export structure, separately There is end face loading ability of bearing in one end.Axle sleeve and end face bearing are reduced the friction loss of rotation process, reduce frictional heat generation.

The driven spur gear 35 of second level can be hollow wheel gear, on the one hand can mitigate the weight of entire driving unit 30, separately On the one hand convenient for assembly.

As shown in Fig. 3 and Figure 12, Figure 13, the shell of driving unit 30 includes: body 37a, rear chassis 37c, on casing Cover 37d, front cover 37f.

Power source 31, level-one active worm screw 32, the driven straight-tooth of level-one, the wheel of second level active worm screw 34 are mounted on body 37a, The driven spur gear 35 of second level is installed on casing upper cover 37d, and the driven straight-tooth of level-one and second level active worm screw 34 are fixed on the same axis, Because space limits, both ends do not use bearing but have the axle sleeve of shoulder, inside there is lubrication.

As shown in figure 12, body 37a is plastic parts, and casing upper cover 37d is metalwork.It is understood that body 37a master What is carried is high speed grade component, and setting plastic parts is conducive to damping；What casing upper cover 37d was mainly carried be slow speed turbine stage component and Integrally formed mode is processed.

In other optional embodiments, with reference to Figure 13, body 37a and casing upper cover 37d can be integrated.

Rear chassis 37c is connected with body 37a, to close the rear end of body 37a, casing upper cover 37d and body 37a phase Even, front cover 37f is connected with body 37a, to close the front end of body 37a.Rear chassis 37c, casing upper cover 37d, casing It can be connected by clamping structure and threaded fastener between front cover 37f and body 37a.

In the entire system, shell will receive impact loading to driving unit 30, and the second joint portion 23 is rotating When effect by axial normal pressure and circumferential torque, shell can be passed to.So the stabilization in order to guarantee driving unit 30, is removed There is screw between each component, snap connection outer, it is tight that driving unit 30 and pedestal 50 in executing agency 100 are also passed through into screw Gu improving its service life to the intensity for increasing driving unit 30.

The shell of driving unit 30 has axial limiting portion, and the driven spur gear 35 of second level deviates from the end face of display terminal 200 Axial limiting portion is compressed, the driven spur gear 35 of second level compresses axial limiting portion away from the end face at the second joint portion 23.Specifically, machine Shell upper cover 37d can have for the driven spur gear of second level 35 end face limit axial limiting portion 37g, in this way second level from One end face of dynamic spur gear 35 is connected with the second joint portion 23, another end face of the driven spur gear 35 of second level and casing upper cover 37d is compressed, and is guaranteed the axially position of the driven spur gear 35 of second level, is prevented the driven spur gear 35 of second level from beating with second level active worm screw 34 Tooth.

The driven spur gear 35 of second level compresses axial limiting portion 37g by gear face bearing 36, and gear face bearing 36 can Think thrust bearing, the frictional force between the driven spur gear 35 of second level and the shell of driving unit 30 can be reduced in this way, reduces Loss of machine of torque.In another structure, cyclic annular slot position can be set for assembling gear end face bearing 36 in casing upper cover 37d.

The driven spur gear 35 of second level can be equipped with annular groove away from the end face at the second joint portion 23, and gear face bearing 36 is set In in annular groove, and gear face bearing 36 compresses the bottom wall of annular groove, and at least part of axial limiting portion 37g protrudes into annular Slot.Further, axial limiting portion 37g can be equipped with zanjon shape, and an end face of axial limiting portion 37g compresses elastic component end face Bearing 41, another end face of axial limiting portion 37g compress gear face bearing 36, and gear face bearing 36 is also driven in second level In the annular groove of spur gear 35, at least part of elastic component 40 can be located in the annular groove of the driven spur gear 35 of second level.This Sample can shorten the axial length of entire mechanism, save space, so that the applicability of entire mechanism is more extensive.And from knot From the point of view of structure amechanical angle, the rigidity of system is also improved, so that its bending resistance, anti-twisting property are strengthened.

As shown in Fig. 3 and Figure 12, casing upper cover 37d has sleeve 37e, and the driven spur gear 35 of second level is set in sleeve 37e Outside, axial limiting portion 37g is located at the outer peripheral surface of sleeve 37e.

As shown in Fig. 1, Fig. 3, Figure 19, the shell of driving unit 30 has radial holding mechanism, and the second joint portion 23 can phase To being rotationally located on radial holding mechanism to limit radially.Radial holding mechanism is for limiting at least partly rotary part Radial offset, prevent executing agency 100 from radial offset occurring in the process of running, such executing agency 10 is after longtime running Stable operation can still be kept.

In some alternative embodiments, the shell of driving unit 30 remains stationary after being installed on vehicle body, driving unit 30 Shell tool there are two the outer ring and inner ring of empty set setting, radial holding mechanism includes outer ring and inner ring, and outer ring is set in inside and outside Ring, outer ring and inner ring limit annular chamber, and the second joint portion 23 is at least partially disposed in annular chamber, and the second joint portion 23 is extremely Small part is set in outside inner ring, and for inner ring for preventing the second joint portion 23 from biasing to radially inner side, outer ring is set in the second engagement Portion 23 it is at least partly outer, outer ring is for preventing the second joint portion 23 from biasing to radial outside.

In some alternative embodiments, as shown in figure 19, the shell of driving unit 30 includes: body 37a, casing upper cover 37d and front cover 37f, casing upper cover 37d are connected with body 37a, and casing upper cover 37d has the sleeve 37e of annular, casing Front cover 37f is connected with the front end of body 37a, and front cover 37f has the stop collar 37p of annular, and stop collar 37p empty set is covering Cylinder 37e is outer to limit annular chamber, and the second joint portion 23 is at least partially disposed in annular chamber.At least portion at the second joint portion 23 It point is set in outside sleeve 37e, for sleeve 37e for preventing the second joint portion 23 from biasing to radially inner side, stop collar 37p is set in the Two joint portions 23 it is at least partly outer, stop collar 37p is for preventing the second joint portion 23 from biasing to radial outside.

The output section of driving unit 30 includes the output gear of annular, and output gear can be described in above-described embodiment two The driven spur gear 35 of grade, output gear are connected with the second joint portion 23, and output gear is set in outside sleeve 37e.Second joint portion 23 include for being connected with the engagement disk 25 of 21 locking of the first joint portion and with engagement disk 25 away from the one end at the first joint portion 21 Connector sleeve 26, connector sleeve 26 is connected with output gear, and stop collar 37p is sheathed on outside connector sleeve 26.In this way, output gear Radially inner and outer side is also limited by sleeve 37e and stop collar 37p respectively, during the work time the output end of driving unit 30 not vulnerable to To the influence of extraneous vibration, prevent from beating tooth.

Radial holding mechanism can also include radial Limit Bearing (not shown), stop collar 37p and the second joint portion 23 at least partly between be equipped with radial Limit Bearing, for example radial limit can be equipped between stop collar 37p and connector sleeve 26 The inner ring of bearing, Limit Bearing radial in this way compresses connector sleeve 26, and the outer ring of radial Limit Bearing compresses stop collar 37p, radial The radial limit of holding mechanism is more firm.

Installation unit includes: installation axle 15, and installation axle 15 penetrates through clutch unit, driving unit 30, and sleeve 37e is set in peace It fills outside axis 15, sleeve 37e can limit installation axle 15 in radial outside, and then further enhance the radial direction of rotating disc 13 Stability.

Driving unit 30 can use planetary gear train or two-stage worm screw, Spur Gear Driving system in this patent, make system Have the advantage that 1) mechanism is compact, small in size, light-weight；2) stable drive, noise are low, and transmission ratio is high, slowing effect is bright It is aobvious；3) flexible layout is convenient for cabling.The requirement of more applicable whole structure spaces compact, vehicle freight weight limit, while user can also be given Better riding experience；4) distinctive latch system in place in this patent, can by inside driving unit 30 transmission system with External impact is effectively completely cut off, and can not only be quivered to avoid because display terminal 200 is micro- caused by backlash etc. inside transmission system Convolution, improves system stability and stabilization, vibration resistance, at the same can also damage to avoid foreign impacts to transmission system, mention High system reliability and service life；5) present invention is mainly used for the rotating mechanisms of display terminal 200；Being equally applicable to other has rotation It is required that electronic product；6) it is described each component above and is mounted the connection of axis 15 in the axial direction, succession of parts, which gets off, to be produced Raw error superposition (production error, rigging error), can largely sell gap by spring compression, to reduce error；It is other Improved measure is to shorten to axially engage size, and appropriate location is found from cassette mechanism structure, and design groove contracts the components such as spring Into machine core, entire mechanism axial length is shortened, to reduce dimension chain error；7) axial length reduces, the rigidity of whole system It is promoted therewith, then system, when being loaded by external force, bending resistance, antitorque ability are more preferable, are unlikely to deform or damage；8) another party Face, axial length shorten other than rigidity increase, and overall stability also has promotion, and shaking volume is improved；9) this programme Realize the modularized design that auto-manual rotates integrally mechanism again, except cooperate with external structure mounting bracket 11, pedestal 50, Remaining part forms a complete module, and being applicable to any a vehicle or even other has in the product of rotation function demand. With the interchangeability and generally applicable property as standard component, the significant increase scope of application of product can be used for practical life It produces and uses.

It is understood that overcurrent protection locking when automatic rotation is by being rotated in place；It can be manually rotated, pass through clutch Lock groove 25 and the locking protrusion 27 of unit carries out the control of 90 ° of rotating distances.

Function realization principle:

1) transfer route of executing agency 100 in automatic mode: by driving unit 30, by the output torque of motor Deceleration torque increase is carried out, this programme is realized by retarder, is transferred to first by the second joint portion 23 of its own output end and is connect Torque is transmitted by circumferential multiple lock grooves 25 (passing through the corresponding boss structure of rotating disc 13) in conjunction portion 21, the first joint portion 21 To rotating disc 13, rotating disc 13 is driven to realize Plane Rotation, to drive connected mounting bracket 11 thereon, display terminal 200 Plane Rotation is carried out, when being rotated by 90 °, the limiting slot 14 on rotating disc 13 reaches the end, the positioning pin on drived unit 30 Limit, motor rotation blockage, electric current increase, and control system detects stall signal and the gyroscope built in display terminal 200 passes out Signal in place, control system identify in place, and carry out power down process to motor, and dynamical system transmitting is interrupted, and system is locked in place Only.

2) transfer route of rotary system in a manual mode: in automatic mode, the engagement of the second joint portion 23,05 first Portion 21 is opposing stationary to be rotated together, but in a manual mode since the worm gear spur gear inside machine core has self-locking function, the Two joint portions 23 are locked.Then the first joint portion 21 follows rotating disc 13, mounting bracket 11 and display terminal 200 It rotates integrally.Torque transfer route rotates display terminal 200 by manpower, via mounting bracket 11 to rotating disc 13 again to the One joint portion 21.The locking function under manual mode is realized by the special construction at the first joint portion 21, the second joint portion 23 at this time Energy.

3) locking and guard system in place: the latch functions in place under this rotating mechanism system automatic mode are by elastic component 40 Assembly compressive deformation provides normal pressure to guarantee；Sufficiently large system normal pressure between each component contact face, can effectively every Influence of the road shocks of system to display terminal 200 is transferred to from pedestal 50 absolutely, to carry out to transmission system effective Protection, further improves the reliability of system.

One end of automatic mode rotating disc 13 forms barricade using axial limiting part 42 and compresses elastic component 40, and the other end is disk Body, similar to the effect of the shaft shoulder, the common locking effect for realizing axial multiple components, the design be can effectively prevent because driving The micro- convolution of quivering of display terminal 200 caused by backlash exists in moving cell 30 avoids its caused vision from stopping phenomenon, prevents simultaneously Micro- transmission system caused by beating tooth of quivering in vibratory impulse is stopped and has destroyed risk, to ensure that the stabilization of system, resistance to shock.

And manual mode realizes 90 ° of rotating distances by the positioning mechanism on clutch unit and rotating disc 13 and driving unit Effective locking and avoid diastema.Second joint portion 23 is provided between 25,3 one group, two groups of 6 lock grooves at a distance of angle slightly Greater than 90 °, and the first joint portion 21 is equipped with 3 locking protrusions 27, can rotate with two groups of lock grooves 25 at the second joint portion 23 Two endpoints of stroke are adapted to respectively.And raised 27 sections of lock groove 25, locking are arc-shaped, have not only been able to achieve expliciting the position but also energy Take into account preferable feel.Lock groove 25 slightly larger than locking protrusion 27 to reserve precompressed angle appropriate, can be to avoid because of manufacturing tolerance The card incomplete phenomena of generation is reduced to clutch unit, position accuracy demand, and the gap that can be generated to avoid production error causes Component shake, be unstable.It is equipped with oil groove 24 in the end face at the second joint portion 23, the first joint portion 21 is greatly improved, second connects Frotteurism when conjunction portion 23 relatively rotates, improves the service life of components, and it is dynamic also to improve user hand turn to a certain extent When feel.

By above-mentioned introduction, the critical component of manual mode is the first joint portion 21, the second joint portion 23, and automatic mode is then Both parts are temporarily fastened together, and are exported automatic power by driving unit 30 and are realized automatic rotation.The prominent spy of this programme Point is exactly to have manual, automatic two operating modes, is distinguished by designing reasonable torque threshold values, being then in structure will be manual The output end that the second joint portion of critical component 23 of mode is made into driving unit 30 realizes what two modes coexisted.

It 4) is the riding experience for improving client, this system display terminal 200 is rotated (about 6 with extremely slow revolving speed ~10r/min), this requires driving unit 30 have biggish transmission ratio, about 1500~2000 or so.It can be according to specific knot The twin worm deceleration system of structure layout selection planetary gear speed reducer or two-stage worm screw spur gear, whole pivot design are hollow Structure facilitates the design of latch system.

5) this rotary system by embed current-limiting circuit plate, when detect be more than setting threshold values electric current after, to motor into Row power down process, to realize the safe anti-pinch and overload protection of system.

6) in place and abnormal position control: 90 ° of system in place or display terminal 200 meet external drag and cause anti-gripping finger Show starting, risen by electric current, more than the current-limiting circuit plate of driving unit 30 design threshold values when, system carries out motor Power down process, Lai Shixian, after motor power-off, control system can be come according to the signal of gyroscope transmitting built in display terminal 200 Display terminal 200 is judged whether in exception bits, if gyroscope transmitted number shows that display terminal 200 is in transverse screen position or perpendicular Screen position indicates motor power-off then to power off in place, on the contrary then determine that display terminal 200 be in exception bits, judgement motor, which powers off, is Extremely be hampered power-off, then warning picture occurs, and client is reminded to carry out foreign matter investigation, after resistance disappears, then according to client's selection Restarting playback.Exception bits judgement includes the manual operation under automatic operating state, and actual exception bits feedback processing can According to customer requirement definition come design software function, the limit locking structure of this scheme can sufficiently adapt to difference on physical layer Software function define (control about abnormal position).

7) rotating disc 13, installation axle 15 carry out hollow design convenient for cabling, so that harness cabling is reasonable, beautiful after screen, out Line mouth has compared with Rouno Cormer Pregrinding Wheel, also for preventing secant.

8) this system is the rotary system that centers, i.e., rotation center remains constant in rotary course, therefore can lead to The mounting bracket 11 using unified interface is crossed, to realize the matching between more size terminals, compatibility.To improve the general of product Property, facilitates product control at save the cost.

9) the system display terminal 200 is suspended in middle control, and instrument desk face can be made cleaner and tidier, beautiful.

The executing agency 100 that this patent is related to a kind of display terminal 200 may be implemented display terminal 200 and revolve manually, automatically Turn, which may be implemented following functions: 1) automatic switchover of the display terminal 200 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；4) system The stabilization of system, antivibration；5) system overload protection and safe anti-pinch；6) more size terminal matching compatibilities, suitability are strong.

It should be noted that above-mentioned each embodiment about installation unit, clutch unit, driving unit 30 is not being runed counter to The case where lower can be combined with each other to form more about the embodiment of executing agency 100.

The invention also discloses a kind of vehicles.

The vehicle of the embodiment of the present invention includes: display terminal 200, such as above-mentioned any executing agency 100, display terminal 200 are installed on the installation unit of executing agency 100, and executing agency 100 is installed on car body, for example the shell of driving unit 30 can be with Car body is installed on by pedestal 50, and the pivot center of display terminal 200 can be X to (front-rear direction), and display terminal 200 can be with For vehicular display terminal, such as the display panel being installed on instrument board.

In this way, the display terminal 200 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.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description Point 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, this The range of invention is defined by the claims and their equivalents.

Claims

1. a kind of for adjusting the executing agency of display terminal characterized by comprising

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

Driving unit, the driving unit include power source and retarder, the input terminal of the retarder and the power source Output shaft is connected, and the output end of the retarder is connected with the installation unit, and the retarder includes active worm screw and driven Spur gear, the active worm screw are connected with the output shaft of the power source, and the driven spur gear is engaged with the active worm screw.

2. according to claim 1 for adjusting the executing agency of display terminal, which is characterized in that the active worm screw The angle of the axis of axis and the driven spur gear is acute angle.

3. according to claim 1 for adjusting the executing agency of display terminal, which is characterized in that the active worm screw It is α that the angle of the axis of axis and the driven spur gear, which is acute angle, is met: 82 °≤α≤88 °.

4. according to claim 1 for adjusting the executing agency of display terminal, which is characterized in that the retarder is one Grade transmission mechanism and includes:

Level-one active worm screw, the level-one active worm screw are fixedly connected with the output shaft of the power source；

The driven spur gear of level-one, the level-one active worm screw engages with the driven spur gear of the level-one, and active snail described in level-one The angle of the axis of the axis of bar and the driven spur gear of the level-one is acute angle.

5. according to claim 1 for adjusting the executing agency of display terminal, which is characterized in that the retarder is two Grade transmission mechanism and includes:

The driven spur gear of level-one, the level-one active worm screw engage with the driven spur gear of the level-one；

Second level active worm screw, the second level active worm screw are connected with the driven spur gear of the level-one；

The driven spur gear of second level, the driven spur gear of second level are engaged with the second level active worm screw, the driven straight-tooth of second level Take turns the driving force for exporting the driving unit.

6. according to claim 5 for adjusting the executing agency of display terminal, which is characterized in that the level-one active snail The axis of bar and the angle of the axis of the driven spur gear of the level-one, the axis of the second level active worm screw and the second level are driven The angle of the axis of spur gear is acute angle.

7. according to claim 6 for adjusting the executing agency of display terminal, which is characterized in that the level-one active snail The angle of the axis of the axis of bar and the driven spur gear of the level-one is α, the axis of the second level active worm screw and the second level The axis angle of driven spur gear is β, is met: 82 °≤α≤88 °, 82 °≤β≤88 °.

8. according to claim 7 for adjusting the executing agency of display terminal, which is characterized in that meet: α=85 °, β =85 °.

9. according to claim 5 for adjusting the executing agency of display terminal, which is characterized in that the level-one active snail The axis of bar, the axis of the driven spur gear of the second level, the axis of the clutch unit are parallel.

10. according to claim 5 for adjusting the executing agency of display terminal, which is characterized in that the power source The axis of output shaft and the axis of the driven spur gear of the second level are parallel and spaced apart.

11. according to claim 5 for adjusting the executing agency of display terminal, which is characterized in that the second level is actively Worm screw and the driven spur gear of the level-one are coaxially disposed.

12. according to claim 5 for adjusting the executing agency of display terminal, which is characterized in that the level-one is driven Spur gear is plastic parts, and the level-one active worm screw, second level active worm screw, the driven spur gear of second level are metalwork.

13. according to claim 5 for adjusting the executing agency of display terminal, which is characterized in that the second level is driven Spur gear is hollow annular.

14. according to claim 5 for adjusting the executing agency of display terminal, which is characterized in that the driving unit Shell there is axial limiting portion, the end face away from the display terminal of the driven spur gear of second level compresses described axial limit Position portion.

15. according to claim 14 for adjusting the executing agency of display terminal, which is characterized in that the second level is driven Spur gear compresses the axial limiting portion by gear face bearing.

16. according to claim 5 for adjusting the executing agency of display terminal, which is characterized in that the installation unit Include:

Rotating disc, the rotating disc is for installing display terminal, and the driven spur gear of second level is for driving the rotating disc to turn It is dynamic；

Installation axle, the installation axle are connected with the rotating disc, and the installation axle penetrates through the shell of the driving unit.

17. according to claim 16 for adjusting the executing agency of display terminal, which is characterized in that further include: elasticity Part, the elastic component are set in outside the installation axle, and one end of the elastic component compresses the axial direction for being fixed on the installation axle Locating part, the other end compress the shell of the driving unit.

18. according to claim 1 for adjusting the executing agency of display terminal described in any one of -17, which is characterized in that institute Stating power source includes motor.

19. a kind of vehicle characterized by comprising display terminal and the execution machine as described in any one of claim 1-18 Structure, the executing agency are installed on car body, and the display terminal is installed on the installation unit of the executing agency.