WO2019154226A1 - Mécanisme rotatif pour terminal d'affichage, et véhicule - Google Patents

Mécanisme rotatif pour terminal d'affichage, et véhicule Download PDF

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Publication number
WO2019154226A1
WO2019154226A1 PCT/CN2019/073953 CN2019073953W WO2019154226A1 WO 2019154226 A1 WO2019154226 A1 WO 2019154226A1 CN 2019073953 W CN2019073953 W CN 2019073953W WO 2019154226 A1 WO2019154226 A1 WO 2019154226A1
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WO
WIPO (PCT)
Prior art keywords
display terminal
rotating mechanism
engaging portion
unit
clutch
Prior art date
Application number
PCT/CN2019/073953
Other languages
English (en)
Chinese (zh)
Inventor
罗忠良
王晓文
杨海珊
赵伟冰
白胜
Original Assignee
比亚迪股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2019154226A1 publication Critical patent/WO2019154226A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/24—Toothed gearings for conveying rotary motion without gears having orbital motion involving gears essentially having intermeshing elements other than involute or cycloidal teeth
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting

Definitions

  • the present application relates to the field of vehicle technology, and in particular to a rotating mechanism for a display terminal and a vehicle.
  • the present application aims to solve at least one of the technical problems in the related art to some extent.
  • the present application proposes a rotation mechanism for a display terminal, which can realize the rotation of the display terminal, thereby enabling the display terminal to rotate at an arbitrary angle or a preset angle on the plane where the display screen is located, and the rotation
  • the mechanism has better bending and torsion resistance.
  • the present application also proposes a vehicle having the rotating mechanism.
  • a rotation mechanism for a display terminal includes: a mounting unit, a clutch unit, and a driving unit, the mounting unit is configured to mount a display terminal;
  • the clutch unit includes a first engaging portion and a second engaging portion that cooperate with each other, The first engaging portion is coupled to the mounting unit, the first engaging portion and the second engaging portion are locked in a direction perpendicular to the axial direction;
  • the driving unit has a power output member that can output torque, a power output member coupled to the second engagement portion and capable of transmitting torque, the mounting unit being configured to be manually rotatable to drive the first engagement portion rotatably between the plurality of engagement positions relative to the second engagement portion Switch.
  • the rotating mechanism can realize the manual rotation of the display terminal, and the display terminal can be automatically rotated by the driving unit, thereby enabling the display terminal to rotate at an arbitrary angle or a preset angle on the plane where the display screen is located, and the rotation is performed.
  • the organization has achieved modularity, versatility and easy disassembly. In particular, the pressure applied directly to the power output member in the axial direction is avoided, the bending resistance and the torsion resistance are better, and the service life of the entire rotating mechanism is improved.
  • FIG. 1 is a perspective exploded view of an adjustment mechanism, a display screen, and a fixing bracket for a display terminal according to an embodiment of the present application;
  • FIG. 2 is a cross-sectional view of an adjustment mechanism, a display screen, and a fixing bracket for a display terminal according to an embodiment of the present application;
  • FIG. 3 is a schematic diagram of a first joint portion of an adjustment mechanism for a display terminal according to an embodiment of the present application
  • FIG. 4 is a schematic diagram of a locking protrusion for an adjustment mechanism of a display terminal according to an embodiment of the present application
  • FIG. 5 is a schematic diagram of a second joint portion of an adjustment mechanism for a display terminal according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a driving unit for an adjustment mechanism of a display terminal according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a vehicle in accordance with an embodiment of the present application.
  • a rotation mechanism 100 for the display terminal 300 will be described in detail below with reference to FIGS. 1 through 7.
  • a rotating mechanism 100 for a display terminal 300 includes a mounting unit 10, a clutch unit 20, and a driving unit 30.
  • the mounting unit 10 is used to mount the display terminal 300.
  • the mounting unit 10 can be fixedly connected to the display terminal 300 through a connection bracket 400 disposed on the display terminal 300.
  • the connection bracket 400 can be integrated on the back of the display terminal 300.
  • the connection bracket 400 and the mounting unit 10 can be detachably connected through the interface with a uniform shape, so that the display terminals 300 of different models or different sizes can be connected to the mounting unit 10 through a unified interface, so that the installation is performed.
  • Unit 10 has better versatility and a wider range of applications.
  • the clutch unit 20 includes a first engaging portion 21 and a second engaging portion 22 that are coupled to each other.
  • the first engaging portion 21 is coupled to the mounting unit 10, and the first engaging portion 21 and the second engaging portion 22 are locked in a direction perpendicular to the axial direction.
  • the drive unit 30 has a power output member that can output torque, and the power output member is coupled to the second engagement portion 22 and can transmit torque.
  • the first engaging portion 21 is engaged with the second engaging portion 22 and has a plurality of engaging positions
  • the mounting unit 10 is configured to be manually rotatable to drive the first engaging portion 21 to be rotatably coupled in plurality with respect to the second engaging portion 22 Switch between locations.
  • the rotating mechanism can drive the display terminal to rotate in both the automatic mode and the manual mode.
  • first engaging portion 21 and the second engaging portion 22 are locked and engaged means that the first engaging portion 21 and the second engaging portion 22 are small when the display terminal 300 is not subjected to an external force or is subjected to an external force.
  • the rotation of the mounting unit 10 can be achieved in two ways: a manual mode and an automatic mode.
  • the manual opening torque can be realized by the structural design of the first joint portion 21 and the second joint portion 22, The opening torque can be greater than the output torque of the power output member with a margin.
  • the first engaging portion 21 and the second engaging portion 22 form a circumferential static friction force under the action of the axial pre-tightening force, and the circumferential static frictional force forms the opening force of the first engaging portion 21 and the second engaging portion 22 relative to each other.
  • the first engaging portion 21 and the second engaging portion 22 are relatively rotated to change the engaging position; when the torque received by the first engaging portion 21 is less than the opening force, the first The joint portion 21 and the second joint portion 22 are kept engaged with each other to transmit torque.
  • the rotating mechanism 100 of the embodiment of the present application by fitting the first engaging portion 21 and the second engaging portion 22 perpendicularly to the axial direction, thereby with respect to the scheme of directly stopping the end face of the power output member, The pressure applied directly to the power output member in the axial direction is avoided, the bending resistance and the torsional resistance are better, and the service life of the entire rotating mechanism 100 is improved.
  • the clutch unit 20 may be located outside the casing 31 of the drive unit 30, so that it is not easy to interfere with the various components of the drive unit when assembling the clutch unit, and it is not necessary to separately be in the casing 31 of the drive unit.
  • the installation space of the clutch unit 20 is designed to simplify the design.
  • the clutch unit 20 is at least partially located within the mounting unit 10. This can significantly reduce the overall axial length of the rotating mechanism, making the arrangement more compact and more compact.
  • the entire rotating mechanism 100 may be integrated as a whole, and the rotating mechanism 100 further includes a base 40, and a part of the driving unit 30 and the first engaging portion 21 of the clutch unit 20 is embedded in the base. Within 40, another portion of the first joint portion 21 extends beyond the base 40 to be coupled to the mounting unit 10.
  • the whole of the driving unit 30, the clutch unit 20 and the mounting unit 10 can be applied to any model or even other products with rotating function requirements, and both modules have the same interchangeability as the standard parts. And versatility, greatly improving the scope of application of the product, can be used for actual production.
  • the portion of the first engaging portion 21 that extends out of the base 40 can be inserted and protruded into the mounting unit 10.
  • the first engaging portion 21 is inserted into the recess of the mounting unit 10 and fastened by bolts, thereby realizing the fixing of the first engaging portion 21 and the mounting unit 10, thereby realizing the power coupling connection therebetween.
  • the mounting unit 10 has a first recess 11 and a second recess 12, wherein the mounting unit 10 is formed with a first recess 11 toward one end of the first joint 21, and the other end of the mounting unit 10 is formed. There is a second recess 12, and thus the first engaging portion 21 is inserted into the first recess 11 and is fastened to the mounting unit 10, the display terminal 300 is connected to the mounting unit 10 via the connecting bracket 400, and the second recess 12 is adapted to receive And connected to the connection bracket 400.
  • connection bracket 400 can be connected to the mounting unit 10 by at least one of a snapping and bolting connection, and the connecting bracket 400 can be formed in a ring shape and include a plurality of connecting convex portions 401 arranged in a ring shape.
  • a plurality of connecting protrusions 401 can extend into and be inserted into the second groove 12.
  • the mounting unit 10 can at least partially extend into the cavity 402 defined by the plurality of connection protrusions 401 behind the display terminal, so that the space behind the display terminal is utilized reasonably.
  • the axial length of the rotating mechanism 100 and the connecting bracket 400 as a whole is significantly reduced, and the arrangement is more compact and more compact and connected.
  • first engaging portion 21 and the second engaging portion 22 there may be a plurality of clutch structures of the first engaging portion 21 and the second engaging portion 22, and one of the first engaging portion 21 and the second engaging portion 22 is at least partially sleeved on the other.
  • the first engaging portion 21 and the second engaging portion 22 are also in different transmission states.
  • the display terminal 300 is automatically rotated, when the side walls of the two are locked to each other and are not moved relative to each other, the first engaging portion 21 and the second engaging portion 22 can be synchronously rotated together under the driving of the driving unit 30; When the display terminal 300 is rotated, the side walls of the two are separated from each other and relatively rotatable.
  • the first engaging portion 21 is at least partially sleeved in the second engaging portion 22, and the first engaging portion 21 has a shape suitable for being stretchable in a direction toward or away from the axis of the first joint portion 21.
  • the locking projection 211 has a locking groove 221, and each locking projection 211 projects into and stops in any one of the plurality of locking grooves 221.
  • the locking protrusion 211 protrudes and snaps into the locking groove 221, at which time the first engaging portion 21 and the second engaging portion 22 interlock with each other; when the display terminal 300 is manually driven to rotate, the display The terminal 300 rotates and drives the first engaging portion 21 connected thereto to rotate together. At this time, the locking protrusion 211 is pushed by the side pressure of the locking groove 221 to move away from the locking groove 221 (ie, retracts). The locking protrusion 211 is rotated and released from the locking groove 221. After the display terminal 300 is rotated by a certain angle, the locking protrusion 211 is caught in the other locking groove 221, thus realizing the rotation of the display terminal 300. .
  • the first engaging portion 21 further includes a clutch disc 212 and an elastic member 213.
  • the locking protrusion 211 protrudes from the clutch disc 212 in the radial direction, and the elastic member 213 is coupled to the clutch disc 212 and the locking projection. Between the 211 and pushing the locking protrusion 211 pushes against the inner wall of the second engaging portion 22.
  • the elastic member 213 is arranged to effectively isolate the transmission system inside the movement from the external impact, thereby not only avoiding the micro-twisting of the touch screen caused by the internal backlash of the transmission system, improving system stability, anti-shake and anti-vibration. Capability, it can also avoid damage to the transmission system caused by external impact, improve system reliability and life.
  • the cross section of the locking groove 221 may be V-shaped or curved.
  • the locking groove 221 is a groove having a V-shaped or curved cross section formed on the side wall of the clutch housing 222, and the locking protrusion 211 protrudes from the locking groove 221 by the elastic member 213. It is a V-shaped structure.
  • the second engaging portion 22 includes a clutch housing, and the clutch housing 222 has an open end into which the clutch disc 212 is inserted.
  • the clutch disc 212 has a plurality of guiding grooves 212b extending radially outward and passing through the side walls of the clutch disc 212 toward the end of the clutch housing 222, the elastic member 213 and the locking protrusion 211. Both are mounted in the guide groove 212b.
  • the plurality of locking projections 211 respectively apply a pressing force to the locking groove 221 of the clutch housing 222 in the radial direction, so that the first engaging portion 21 and the second engaging portion 22 are tightly fitted, thereby ensuring power. Stable delivery between the two.
  • the elastic member 213 pushes against the locking projection 211 against the guide groove 212b and partially protrudes outside the guiding groove 212b.
  • the guide groove 212b not only provides a housing space for the elastic member 213, but also provides a reasonable definition for the telescopic stroke of the locking projection 211.
  • the guide groove 212b includes at least a main groove section b1 and a stroke limit groove section b2 connected to the inner end of the main groove section b1.
  • the lock projection 211 includes a main body section 211a and an expansion section connected to one end of the main body section 211a. 211b, the main body section 211a is stopped in the stroke limit groove section b2 from the inner end of the main groove section b1.
  • the expansion section 211b of the lock projection 211 is slidably disposed in the stroke limit groove section b2, and the body section 211a is slidably disposed in the main groove section b1 at the first joint portion 21 and the second joint portion 22
  • the elastic member 213 pushes the main body segment 211a of the locking projection 211 out of the guide groove segment b2, and presses the main body segment 211a radially outwardly and into the locking groove of the second engaging portion 22.
  • the stroke limit groove segment b2 can limit the expansion and contraction of the locking protrusion 211 to enhance the stability and reliability of the expansion and contraction movement of the locking protrusion 211 in the manual mode.
  • the second engaging portion 22 includes a clutch housing 222 having an open end into which the first joint portion 21 is inserted, and the guide groove 212b is completely opened toward one end of the clutch housing 222, and the lock is locked.
  • the projection 211 is sandwiched between the clutch housing 222 and the clutch disc 212 in the axial direction.
  • the locking projection 211 can not only exert a pushing force on the side wall of the clutch housing 222 in the radial direction, but also the end of the locking protrusion 211 can assist the bearing housing 222 in the axial direction.
  • the guiding groove 212b adopts the above structure to facilitate the disassembly and assembly of the elastic member 213 and the locking convex portion 211, which is convenient for maintenance and replacement.
  • the base 40 may include a main housing 41 and an end cover 42 that can be used to accommodate the drive unit 30 and the clutch unit 20, and the end cover 42 is coupled to the main housing 41 to axially limit the clutch unit 20, further It is possible to push the clutch disc in the axial direction as well as the clutch unit.
  • one end of the locking protrusion 211 has a positioning groove 2111, a part of the elastic member 213 protrudes into the positioning groove 2111, and the other end of the locking protrusion 211 has a tooth portion 2112 adapted to the locking groove 221.
  • the shape of the tooth portion 2112 coincides with the locking groove.
  • the second engaging portion 22 further includes a second connecting shaft 224, and the second connecting shaft 224 is connected to the power output member by a key.
  • the first engaging portion 21 further includes an end connected to the clutch disc 212.
  • the first connecting shaft 214 extends into the mounting unit 10 to be screwed to the mounting unit 10, and the screw passes through the mounting unit 10 to be coupled to the first connecting shaft 214.
  • the clutch disc 212 has a limiting post 212 a
  • the clutch housing 222 has a limiting sliding hole 223
  • the limiting post 212 a is adapted to cooperate with the limiting sliding hole 223 for mounting Unit 10 performs a travel limit.
  • the limiting post 212a can rotate with the clutch disc 212, and when the display terminal 300 is rotated to the target angle, the limiting post 212a is respectively in contact with the end of the limiting sliding hole 223 to be blocked, thereby realizing the display The rotation limit of the screen.
  • the driving unit 30 includes a casing 31, a driving motor 32 and a speed reducer 33.
  • the driving motor 32 is disposed in the casing 31, and the driving motor 32 has an output shaft; the speed reducer 33 is at least a first-stage transmission.
  • the mechanism includes at least a worm spur gear mechanism.
  • the worm spur gear mechanism includes an intermeshing worm and a spur gear. The worm is directly or indirectly connected to an output shaft of the drive motor 32, and the spur gear is formed as a power output member.
  • the drive motor 32 is a rotary electric machine
  • the output shaft is a rotatable drive motor 32 shaft capable of outputting torque
  • at least one of the speed reducer 33 and the drive motor 32 has a self-locking function to power off the drive motor 32.
  • the power output member and the second engaging portion 22 can be locked, so that it can be a first-stage transmission mechanism, or a two-stage transmission mechanism, a three-stage transmission mechanism, and the transmission mechanism includes at least a worm straight-tooth transmission mechanism.
  • the transmission mechanism includes at least a worm straight-tooth transmission mechanism.
  • the speed reducer 33 when the speed reducer 33 is a two-stage transmission mechanism, the speed reducer 33 may be composed of a worm helical gear transmission mechanism and a worm spur gear transmission mechanism, and the worm helical gear transmission mechanism includes an intermeshing one.
  • the stage worm 331 and the first stage helical gear 332, the worm spur gear transmission mechanism comprises an intermeshing secondary worm 333 and a secondary spur gear 334, the first stage worm 331 is connected with the output shaft of the drive motor 32, and the secondary worm 333 is of the first stage
  • the helical gear 332 is coaxially disposed and fixedly coupled.
  • the casing 31 includes a main casing 311, a casing front cover 312, and a casing rear cover 313.
  • the driving motor 32 is installed in the main casing 311 and closed by the casing rear cover 313.
  • the casing front cover 312 is closed. Used to axially limit the power take-off (including but not limited to the secondary spur 334 shown in Figure 6).
  • the display terminal 300 needs to be rotated at a very slow rotational speed (about 6-10 r/min), which requires the drive unit 30 to have a large gear ratio of about 1500-2000.
  • the use of the above worm straight tooth transmission mechanism has the following advantages: compact structure, small volume, light weight; stable transmission, low noise, high transmission ratio and remarkable deceleration effect.
  • the driving unit 30 of the present application is not limited to the electric driving mode, and may be a driving method such as pneumatic, hydraulic or magnetic driving.
  • the speed reducer 33 is not limited to the transmission mechanism mentioned in the above specific embodiment, and may also include a planetary gear. Transmission mechanism, bevel gear transmission mechanism, etc.
  • the mounting unit 10, the driving unit 30, and the clutch unit 20 are each formed as a hollow structure having a wiring hole extending in the axial direction.
  • the layout is more flexible, and it is more convenient to route, and is more suitable for the compact space of the vehicle body and the weight limit of the whole vehicle, and can also give the user a better driving experience.
  • the adjustment angle of the display terminal 300 is not limited to 90 degrees (i.e., the position of the display terminal 300 is not limited to the horizontal screen and the vertical screen), and those skilled in the art can set an appropriate target adjustment angle as needed.
  • the drive unit 30 of the rotating mechanism 100 of the embodiment of the present application will be described below.
  • the drive unit 30 includes a drive motor 32 and a speed reducer 33.
  • the output shaft of the drive motor 32 is connected to the speed reducer 33, and the power output member of the speed reducer 33 is connected to the first joint portion 21.
  • the power source may be a drive motor 32, an oil pump, an air pump, etc.
  • the speed reducer 33 may be a gear reducer, a belt drive deceleration, and the reducer 33 may also be a worm gear transmission mechanism.
  • the speed reducer 33 may be a first-stage speed reduction mechanism or a multi-stage speed reduction mechanism.
  • the driving unit 30 for driving the movement of the display terminal 300 comprises: a power source and a speed reducer 33.
  • the speed reducer 33 includes an active worm and a driven spur gear.
  • the active worm is connected to the output shaft of the power source, and the driven spur gear and the active worm Engage.
  • the worm spur gear reduction mechanism is compact, small in size, light in weight, stable in transmission and low in noise.
  • the entire speed reduction mechanism has flexible layout and is easy to be routed, and is more suitable for the compact space of the vehicle mechanism and the weight limit of the whole vehicle. It can also give users a better driving experience.
  • the angle between the axis L1 of the active worm and the axis L2 of the driven spur gear is an acute angle.
  • the angle between the axis L1 of the active worm and the axis L2 of the driven spur gear is an acute angle ⁇ , which satisfies: 82° ⁇ ⁇ ⁇ 88°.
  • 84° ⁇ ⁇ ⁇ 86°, such as ⁇ 85°, the magnitude of ⁇ is determined by the helix angle of the active worm.
  • the active worm and the driven spur gear are not arranged vertically, so that the meshing state of the active worm and the driven spur gear is good, and the transmission efficiency is higher.
  • the spur gear is easy to process, and the worm gear transmission in the related art is improved to the worm gear spur gear transmission, thereby avoiding the problem of poor machining performance of the worm wheel.
  • the speed reducer 33 is a first-stage transmission mechanism, and the speed reducer 33 includes: a first-stage worm 331 and a first-stage spur gear, the first-stage worm 331 is fixedly connected with the output shaft of the power source, and the first-stage worm 331 and the first The spur gears are meshed, and the angle between the axis of the primary worm 331 and the axis of the primary spur gear is an acute angle.
  • the angle between the axis L1 of the primary worm 331 and the axis L2 of the primary spur gear is ⁇ , which satisfies: 82° ⁇ ⁇ ⁇ 88°.
  • the magnitude of ⁇ is determined according to the helix angle of the primary worm 331. That is to say, the first stage worm 331 and the first stage spur gear are not arranged vertically, so that the meshing state of the first stage worm 331 and the first stage spur gear is good, and the transmission efficiency is higher.
  • the spur gear is easy to process, and the worm gear transmission in the related art is improved to the worm gear spur gear transmission, thereby avoiding the problem of poor machining performance of the worm wheel.
  • the secondary transmission mechanism includes a primary worm 331, a primary spur gear, a secondary worm 333, and a secondary spur gear 334.
  • the output shaft of the power source is fixedly connected to the first-stage worm 331, and the first-stage worm 331 can be integrated outside the output shaft of the power source.
  • the first stage worm 331 is meshed with the first stage spur gear.
  • the angle between the axis of the first stage worm 331 and the axis of the first stage spur gear is an acute angle
  • the magnitude of ⁇ is determined according to the helix angle of the primary worm 331.
  • the first stage worm 331 and the first stage spur gear are not arranged vertically, so that the meshing state of the first stage worm 331 and the first stage spur gear is ensured, and the transmission efficiency is higher.
  • the spur gear is easy to process, and the worm gear transmission in the related art is improved to the turbine spur gear transmission, thereby avoiding the problem of poor turbine processing performance.
  • the secondary worm 333 is coaxially arranged with the primary spur gear, the secondary worm 333 is spaced apart from the primary spur gear in the axial direction, the secondary worm 333 and the primary spur gear can be integrally processed, or the primary spur gear can be passed through the flower
  • the key is connected to the secondary worm 333.
  • the secondary spur gear 334 meshes with the secondary worm 333.
  • the secondary worm 333 and the secondary spur gear 334 are not arranged vertically, so that the meshing state of the secondary worm 333 and the secondary spur gear 334 is ensured, and the transmission efficiency is higher.
  • the spur gear is easy to process, and the worm gear transmission in the related art is improved to the turbine spur gear transmission, thereby avoiding the problem of poor turbine processing performance.
  • the axis of the primary worm 331, the axis of the secondary spur gear 334, and the axis of the clutch unit 20 are parallel.
  • the axis of the output shaft of the power source is parallel and spaced apart from the axis of the secondary spur gear 334. Thereby, the arrangement direction of the power source can be made parallel with the output direction of the driving unit 30, which is convenient for assembly design.
  • the self-locking function of the worm can be used (the screw angle of the worm can be triggered by the friction angle to trigger the self-locking), and the clutching function of the overall solution can be realized, that is, when the manual operation is performed, the speed reducer 33 is self-locking, so that the first A joint portion 21 is fixed so that the first joint portion 21 can be relatively rotated.
  • the worm spur gear reduction mechanism is compact, small in size, light in weight, stable in transmission and low in noise.
  • the entire speed reduction mechanism has flexible layout and is easy to be routed, and is more suitable for the compact space of the vehicle mechanism and the weight limit of the whole vehicle. It can also give users a better driving experience.
  • the first-stage spur gear transmits the high-speed rotation of the first-stage worm 331 to the secondary worm 333.
  • the first-stage spur gear can be a plastic part, a first-stage worm 331, a second-stage worm 333, and a secondary spur gear.
  • 334 is a metal piece.
  • the secondary spur gear 334 is coupled to the first engaging portion 21 to achieve power output, such as the secondary spur gear 334 being integrally formed with the first engaging portion 21, according to the functional requirements of the secondary spur gear 334 and the first engaging portion 21,
  • the two may be made of different materials, the secondary spur gear 334 is made of a wear resistant material, and the first joint portion 21 is made of a self-lubricating material.
  • the casing 31 of the drive unit 30 has a radial retaining mechanism, and the power output member is rotatably disposed on the radial retaining mechanism to be at the upper radial limit.
  • the radial retention mechanism is used to define a radial offset of at least a portion of the rotating mechanism 100 to prevent radial rotation of the rotating mechanism 100 during operation so that the rotating mechanism 100 can maintain stable operation after long-term operation.
  • the casing 31 of the driving unit 30 is fixed after being mounted on the vehicle body, and the casing 31 of the driving unit 30 has an outer ring, and the clutch unit 20 has an air jacket set with the outer ring.
  • the inner ring, the radial retaining mechanism comprises an outer ring and an inner ring, the outer ring is sleeved outside the inner ring, the outer ring and the inner ring define an annular cavity, at least part of the power output member is disposed in the annular cavity, and at least the power output component Part of the sleeve is disposed outside the inner ring, the inner ring is for preventing the power output member from being biased radially inward, the outer ring is sleeved at least outside the power output member, and the outer ring is for preventing the first joint portion 21 from being radially outward.
  • the inner ring, the radial retaining mechanism comprises an outer ring and an inner ring, the outer ring is sleeved outside the inner ring, the
  • the casing 31 of the driving unit 30 includes a casing 311, a casing 31 rear cover and a casing 31 front cover, and the casing 31 rear cover is connected to the casing 311.
  • the second engaging portion 22 has a second connecting shaft 224, and the front cover of the casing 31 is connected to the front end of the casing 311, and the front cover of the casing 31 has an annular limiting ring 312a, and the limiting ring 312a is sleeved in the second
  • the connecting shaft 224 is externally defined to define an annular cavity, and at least a portion of the power output member is disposed in the annular cavity.
  • At least part of the power output member is sleeved outside the second connecting shaft 224, and the second connecting shaft 224 can not only provide a central positioning for the rotating parts (including but not limited to the output gear) where the power output member is located, but also can prevent the second joint portion. 22 is biased radially inward, and a retaining ring 312a is sleeved outside at least a portion of the first joint portion 21, and the retaining ring 312a serves to prevent the first joint portion 21 from being biased outward in the radial direction.
  • the power output member of the driving unit 30 includes an annular output gear, and the output gear may be the secondary driven spur gear described in the above embodiment, and the output gear sleeve is disposed outside the second connecting shaft 224.
  • the radially inner and outer sides of the output gear are also respectively defined by the second connecting shaft 224 and the limiting ring 312a.
  • the output end of the driving unit 30 is less susceptible to external vibration and prevents toothing.
  • the radial retaining mechanism may further include a radial limiting bearing (not shown), and the limiting ring 312a and the at least part of the power output member are provided with a radial limiting bearing, such as the limiting ring 312a and the connecting sleeve.
  • the radial limit bearing can be arranged such that the inner ring of the radial limit bearing presses against the connecting sleeve, the outer ring of the radial limit bearing presses the limit ring 312a, and the radial limit of the radial retaining mechanism is more stable .
  • the installation process of the rotating mechanism 100 is as follows:
  • the driving unit 30 (also referred to as a movement) is placed in the main casing 41 of the base 40 and the two are connected by a fixing screw;
  • the limit position, the drive motor 32 is blocked, the current is increased, the control system detects the stall signal and the gyroscope built in the touch screen transmits the in-position signal, the control system recognizes the position, and the drive motor 32 is powered off, and the power system transmits Interrupted, the system is locked in place;
  • the first engaging portion 21 and the second engaging portion 22 rotate together relative to each other, but in the manual mode, since the worm gear inside the movement has a self-locking function, the output end spur gear and the second engaging portion 22 of the movement It is locked and fixed. Then only the first engaging portion 21 follows the mounting unit 10, the connection bracket 400, and the display screen as a whole.
  • the torque transmission path is started by manually rotating the display screen, via the connection bracket 400 to the mounting unit 10 and then to the first joint portion 21.
  • the lock projection 211 (the spring pin shown in FIG. 1) is released from the lock second engagement portion 22 by the torque.
  • the in-position locking function in the automatic mode of the rotating mechanism system is ensured by the positive pressure provided by the spring assembly compression deformation by the locking projection 211 applied to the locking groove 221 of the first engaging portion 21;
  • the large system positive pressure can effectively isolate the impact of the road surface impact transmitted from the pedestal 40 to the system, thereby effectively protecting the transmission system and further improving the reliability of the system.
  • the design of the four recesses (i.e., the locking grooves 221) on the first engaging portion 21 achieves an effective locking of the 90° rotation stroke and avoids a virtual position.
  • the four concaves on the first joint portion 21 are distributed at intervals of 90°.
  • the key components of the manual mode are the first engaging portion 21, the spring pin, the spring, and the first engaging portion 21.
  • the automatic mode the above-described members are temporarily fastened integrally, and the automatic output is automatically rotated by the movement.
  • the outstanding feature of this solution is that it has two working modes, manual and automatic, which are separated by a reasonable torque threshold.
  • the touch screen of the system rotates at a very slow speed (about 6 ⁇ 10r/min), which requires the movement to have a large transmission ratio of about 1500 ⁇ 2000.
  • the planetary gear reducer 33 or the double-worm reducer of the two-stage worm helical gear can be selected according to the specific structural layout, and the overall rotating shaft is designed as a hollow structure to facilitate the design of the locking system.
  • the rotating system is embedded with the current limiting circuit board 35.
  • the driving motor 32 is powered off, thereby implementing the system safety against pinching and overload protection.
  • the system 90° in place or the touch screen encounters external resistance and causes the anti-pinch indication to start, both rely on the current rise, exceed the current limit small plate design threshold, and the system de-energizes the drive motor 32. It is realized that after the driving motor 32 is powered off, the control system determines whether the touch screen is in an abnormal position according to the signal transmitted by the built-in gyroscope of the touch screen, and if the signal transmitted by the gyroscope indicates that the touch screen is in the horizontal screen position or the vertical screen position, the driving motor is indicated. 32 power-off is power-off in place, otherwise it is determined that the touch screen is in an abnormal position, and it is determined that the drive motor 32 is powered off to be abnormally blocked.
  • a warning screen appears to remind the customer to perform foreign object inspection.
  • the abnormal position determination includes the manual operation in the automatic running state.
  • the actual abnormal position feedback processing can design the software function according to the customer requirement definition.
  • the limit locking structure of this scheme can fully adapt to different software function definitions at the physical level ( About the control of the abnormal position).
  • the first joint portion 21 and the second joint portion 22 are hollowed out to facilitate the routing, so that the wiring harness behind the screen is reasonable and beautiful, and the outlet has a large rounded corner, which is also for preventing the secant.
  • connection bracket 400 of the unified interface can be used to achieve matching and compatibility between the multi-size terminals. Thereby improving the versatility, cost saving and convenient quality control of the product.
  • the present application relates to a manual, automatic rotation system for a touch screen, which can achieve the following functions:
  • the touch screen can be automatically switched between any angles
  • Multi-size terminal matching is compatible and adaptable.
  • This movement can adopt planetary gear train or two-stage worm and helical gear transmission system, which makes the system have the following advantages:
  • the unique in-position locking system in this application can effectively isolate the transmission system inside the electric reduction gear core from the external impact, which can avoid the touch screen micro-twisting rotation caused by the internal backlash of the transmission system and improve the system stability. And anti-shake, anti-vibration ability, but also can avoid damage to the transmission system by external impact, improve system reliability and life;
  • This application is mainly used for the rotating mechanism of the touch screen; the same applies to other electronic products with rotating requirements.
  • a vehicle 1000 includes a display terminal 300 and a rotating mechanism 100 of the above embodiment, and the display terminal 300 is mounted to the mounting unit 10 of the rotating mechanism 100. Therefore, the vehicle 1000 adopts the rotation mechanism 100 for adjusting the display terminal 300 with anti-shake, anti-vibration, anti-pinch, and performance, which can not only realize automatic switching between the screen horizontal and vertical screens, but also can perform manual operations according to user needs. It provides users with better operating experience and audio-visual enjoyment.
  • manual or automatic rotation it has stable and reliable in-position locking and anti-backlash system, which can effectively avoid the blur caused by screen jitter caused by road impact during driving. Or vibration damage.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless otherwise explicitly stated and defined. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements.
  • installation can be understood on a case-by-case basis.
  • the first feature "on” or “below” the second feature may be the direct contact of the first and second features, or the first and second features are indirectly through the intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)

Abstract

Un mécanisme rotatif (100) pour un terminal d'affichage (300) comprend : une unité de montage (10), une unité d'embrayage (20) et une unité d'entraînement (30). L'unité de montage (10) est utilisée pour monter le terminal d'affichage (300); l'unité d'embrayage (20) comprend une première partie d'articulation (21) et une seconde partie d'articulation (22) qui sont mises en correspondance l'une avec l'autre, la première partie d'articulation (21) étant reliée à l'unité de montage (10) et étant ajustée bloquée avec la seconde partie d'articulation (22) d'une manière perpendiculaire à la direction axiale; l'unité d'entraînement (30) est pourvue d'un élément de sortie de puissance pouvant délivrer en sortie un couple, l'élément de sortie de puissance étant relié à la seconde partie d'articulation (22) et pouvant transmettre le couple. L'invention concerne également un véhicule (1000) comprenant le mécanisme rotatif (100)
PCT/CN2019/073953 2018-02-11 2019-01-30 Mécanisme rotatif pour terminal d'affichage, et véhicule WO2019154226A1 (fr)

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CN201810142897.XA CN110145666B (zh) 2018-02-11 2018-02-11 用于显示终端的旋转机构以及车辆

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CN113968190A (zh) * 2021-12-16 2022-01-25 宁波拓普集团股份有限公司 一种智能车用屏幕调节系统
CN115143365A (zh) * 2022-06-23 2022-10-04 上海勤芸电子科技有限公司 显示屏旋转装置及显示屏
CN115962399A (zh) * 2023-02-07 2023-04-14 成都市青龙环卫有限公司 智能环卫系统用监控管理装置

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CN112824738B (zh) * 2019-11-20 2023-10-10 海信视像科技股份有限公司 电视
CN112905044B (zh) * 2021-02-01 2022-07-29 北海翰博士科技有限公司 一种配备有触控薄膜传感器的触控模块
CN113183887B (zh) * 2021-04-30 2022-08-02 重庆长安新能源汽车科技有限公司 一种中控显示屏总成
CN113479144A (zh) * 2021-07-13 2021-10-08 深圳市合泰创新技术有限公司 一种显示屏姿态调整装置
CN113928198B (zh) * 2021-12-01 2023-03-31 东风汽车有限公司东风日产乘用车公司 翻转头枕和汽车座椅
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