CN212389674U - Clutch mechanism and driving mechanism of vehicle-mounted display turning device - Google Patents

Abstract

The utility model discloses a vehicle-mounted display turning device's clutching mechanism and actuating mechanism. The clutch mechanism is connected with the main rotating part and the driven rotating part, the main rotating part comprises a power driving shaft, and the driven rotating part comprises a driven shaft; the clutch mechanism includes an outer sleeve portion formed on or secured to the driven shaft and at least one C-shaped friction plate. The output torque is transmitted and controlled by utilizing the clasping force generated by directly clasping the driving shaft on the inner side wall of the C-shaped friction plate, and once the load is overlarge, the C-shaped friction plate slips relative to the driving shaft, so that the driving mechanism is protected from being damaged, and the C-shaped friction plate is simple and compact in structure, easy to assemble and low in manufacturing cost.

Description

Clutch mechanism and driving mechanism of vehicle-mounted display turning device

Technical Field

The utility model relates to a vehicle-mounted display turning device's spare part especially relates to a vehicle-mounted display turning device's clutching mechanism and actuating mechanism.

Background

In the existing turning device of the vehicle-mounted display, such as CN201347037Y, a 2 nd worm wheel of the turning device is connected with a1 st damping shaft, an upper friction sheet and a lower friction sheet are respectively arranged at the peripheries of the 1 st damping shaft and the 2 nd damping shaft, a clutch shaft is connected with the 2 nd damping shaft, and a motor transmits power to the 2 nd damping shaft and the clutch shaft through a double worm gear, the 1 st damping shaft, the upper friction sheet and the lower friction sheet; the damping piece rigid coupling is on the fixing base, the damping piece is equipped with the adjustment mechanism who is used for adjusting and 2 nd worm wheel output shaft cooperation elasticity, the adjustment mechanism who is used for adjusting and 2 nd worm wheel output shaft cooperation elasticity includes the outside opening that leads to out of hole along the damping piece and the bolt of regulation opening size, the nut, the hole and the 2 nd worm wheel output shaft of damping piece cooperate, damped size can be realized through the cooperation elasticity between adjustment damping piece and the 2 nd worm wheel output shaft, the cooperation of just also screwing or unscrewing screw and nut is realized. The connecting mechanism between the upper friction plate and the lower friction plate comprises a bolt, an elastic pad and screw holes correspondingly formed in the upper friction plate and the lower friction plate, the bolt is locked between the screw holes of the upper friction plate and the lower friction plate through the elastic pad, and the upper friction plate and the lower friction plate are tightly pressed and attached to the outer surfaces of the 1 st damping shaft and the 2 nd damping shaft from the upper direction and the lower direction. Because the 1 st damping shaft and the 2 nd damping shaft as well as the upper friction sheet and the lower friction sheet connected between the 1 st damping shaft and the 2 nd damping shaft are adopted to form the friction transmission mechanism, the friction clutch between the mechanism output shaft (clutch shaft) and the motor is realized, the whole friction mechanism has no clearance through the transition fit of the 1 st damping shaft, the 2 nd worm gear output shaft and the clutch shaft and the matching of the excircle of the damping shaft and the inner circles of the upper friction sheet and the lower friction sheet, and simultaneously, the 2 damping shafts can be made of elastic non-metal materials (such as POM and nylon), and have the vibration absorption function on the impact on the mechanism output shaft (clutch shaft). The clutch mechanism has the advantages of complex structure, high cost and short service life.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vehicle-mounted display turning device's clutching mechanism and actuating mechanism, it has overcome among the background art not enough that vehicle-mounted display turning device exists.

The utility model provides one of the technical scheme who adopts of its technical problem is:

the clutch mechanism of the vehicle-mounted display turnover device is connected with a main rotation part and a driven rotation part, wherein the main rotation part comprises a power driving shaft, and the driven rotation part comprises a driven shaft; the clutch mechanism comprises an outer sleeve part formed or fixedly connected with a driven shaft and at least one C-shaped friction plate; the inner wall of the outer sleeve part is concavely provided with a clamping groove; the C-shaped friction plate is provided with an opening, the outer side wall of the C-shaped friction plate is convexly provided with a convex part opposite to the opening, and the C-shaped friction plate is provided with an inner side wall; the C-shaped friction plate is arranged in the outer sleeve part, the convex part is arranged in the clamping groove in a connecting mode, so that the C-shaped friction plate and the outer sleeve part can rotate synchronously, the C-shaped friction plate is sleeved outside the driving shaft, the driving shaft is tightly held by the inner side wall of the C-shaped friction plate, and torque is transmitted through tightly holding between the inner side wall and the driving shaft.

The utility model provides a second of the technical scheme of its technical problem's adoption:

the driving mechanism of the vehicle-mounted display turnover device comprises a mounting part, a motor, a main rotating part and a secondary rotating part; the main rotating part and the auxiliary rotating part are both arranged on the mounting part and can rotate relative to the mounting part; the output shaft of the motor is in transmission connection with the main rotating part; a clutch structure is arranged between the main rotating part and the auxiliary rotating part, the clutch structure comprises a C-shaped friction plate and a linkage shaft, the linkage shaft is connected with the C-shaped friction plate and the main rotating part so as to enable the C-shaped friction plate and the main rotating part to synchronously rotate, the C-shaped friction plate is provided with an inner side wall, and the inner side wall of the C-shaped friction plate tightly embraces the auxiliary rotating part so as to drive the auxiliary rotating part to rotate through holding force when the C-shaped friction plate rotates along with the main rotating part; the driven rotating part forms a transmission shaft or is also in transmission connection with the driven rotating part.

The third technical scheme of the utility model for solving the technical problem is:

the clutch mechanism of the vehicle-mounted display turnover device is connected with the main rotating part and the auxiliary rotating part and comprises at least one C-shaped friction plate; the C-shaped friction plate is provided with an opening, the outer side wall of the C-shaped friction plate is convexly provided with a convex part opposite to the opening, and the C-shaped friction plate is provided with an inner side wall; the convex part of the C-shaped friction plate is connected with the secondary rotating part together so that the C-shaped friction plate drives the secondary rotating part to rotate, the C-shaped friction plate is sleeved outside the primary rotating part, the inner side wall of the C-shaped friction plate tightly holds the primary rotating part, and torque is transmitted through the tight holding between the inner side wall and the primary rotating part.

Compared with the background technology, the technical scheme has the following advantages:

the inner side wall of the C-shaped friction plate is directly connected with the driving shaft in a clasping manner to generate clasping force, so that the output torque is transmitted and controlled, and once the load is overlarge, the C-shaped friction plate slips relative to the driving shaft, so that the driving mechanism is protected from being damaged, the structure is simple and compact, the assembly is easy, and the manufacturing cost is low; the driving shaft is directly embraced by the inner side wall, and the enclasping area is large.

The main portion of changeing and all connect the dress in the installing part from the portion of changing, and the separation and reunion structure includes C shape friction disc and universal driving shaft, and C shape friction disc and main portion of changeing are connected to the universal driving shaft so that the two rotates in step, and C shape friction disc is embraced tightly from the portion of changeing and is driven through embracing power and change the portion rotation when C shape friction disc follows main portion of changeing rotation, consequently can produce following technological effect: firstly, the structure is compact, and the effect of thin thickness is excellent when the device is applied to a vehicle-mounted turnover device; and secondly, the C-shaped friction plate is used for transmitting the output torque and controlling the output torque by utilizing the holding force applied by the C-shaped friction plate to the driven part, once the load is overlarge, the C-shaped friction plate slips relatively, so that the motor is protected from being damaged, and compared with a clutch mechanism in the background technology using a plurality of movable and static friction plates, the clutch mechanism is simpler and more compact in structure, easy to assemble and low in manufacturing cost.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Fig. 1 is a perspective view of a clutch mechanism according to an embodiment.

FIG. 2 is an exploded perspective view of a clutch mechanism according to an embodiment.

Fig. 3 is a second exploded perspective view of a clutch mechanism according to a second embodiment.

FIG. 4 is a schematic structural diagram of a clutch mechanism according to an embodiment.

Fig. 5 is a schematic sectional view taken along line a-a of fig. 4.

Fig. 6 is a schematic sectional view B-B of fig. 4.

Fig. 7 is a perspective view of an exemplary turning device.

FIG. 8 is a schematic perspective exploded view of a second driving mechanism according to an embodiment.

FIG. 9 is a schematic front view of an exploded structure of a second driving mechanism according to an embodiment.

FIG. 10 is a schematic side view of a second embodiment of a driving mechanism.

Fig. 11 is a schematic perspective exploded view of the second driving mechanism according to the second embodiment.

FIG. 12 is a second schematic side view of the second driving mechanism according to the second embodiment.

Fig. 13 is a schematic cross-sectional view of fig. 10 taken along line C-C.

Fig. 14 is a schematic cross-sectional view taken along line D-D of fig. 12.

Fig. 15 is a perspective view of a vehicle-mounted display turning device according to an application example of the second driving mechanism of the embodiment, in a closed state.

Fig. 16 is a front view schematically showing an in-vehicle display turning device according to an application example of the second driving mechanism of the embodiment, in a closed state.

Fig. 17 is a perspective view of a vehicle-mounted display turning device of an application example of the second drive mechanism of the embodiment, in an open state.

Fig. 18 is a schematic front view of a vehicle-mounted display turning device of an application example of the second drive mechanism of the embodiment, in an open state.

FIG. 19 is a schematic perspective exploded view of a third driving mechanism according to an embodiment.

FIG. 20 is a schematic sectional view showing a four-drive mechanism according to an embodiment.

FIG. 21 is a front exploded view of the fifth drive mechanism according to the embodiment.

FIG. 22 is a schematic side view of the fifth driving mechanism according to the embodiment.

Fig. 23 is a schematic cross-sectional view E-E of fig. 21.

FIG. 24 is a schematic sectional view of a sixth drive mechanism according to the embodiment.

Detailed Description

Example one

Referring to fig. 1 to 6, a clutch mechanism of a vehicle-mounted display turnover device connects a main rotating part and a driven rotating part, wherein the main rotating part includes a power driving shaft 10, the driven rotating part includes a driven shaft 20, and the clutch mechanism includes an outer sleeve part 31 and a C-shaped friction plate 32.

The outer sleeve portion 31 is fixed to the end portion of the driven shaft 20, the outer sleeve portion 31 is coaxially and fixedly connected with the driven shaft 20, the outer sleeve portion 31 is provided with two slots 311 penetrating through the inside and the outside, the slots 311 are arranged along an axis parallel to the outer sleeve portion 31, the two slots 311 are radially and symmetrically arranged relative to the axis of the outer sleeve portion 31, and one end of each slot 311 is communicated with the end of the outer sleeve portion 31.

The C-shaped friction plate 32 is formed with an opening 321, a convex portion 322 is protruded from an outer sidewall of the C-shaped friction plate 321 opposite to the opening 321, the convex portion 322 and the opening 321 are respectively disposed at two radial sides of a center of the C-shaped friction plate 32, and an inner sidewall of the C-shaped friction plate 32 is a C-shaped wall or an arc-shaped wall.

The C-shaped friction plate 32 is sleeved outside the driving shaft 10, the C-shaped friction plate 32 is installed in the outer sleeve portion 31, the protrusion 322 is installed in the slot 311, the protrusion 322 and the slot 311 are in tight fit or interference fit, so that synchronous rotation connection is formed between the C-shaped friction plate 32 and the outer sleeve portion 31, the C-shaped friction plate 32 embraces the driving shaft 10, and the inner side wall of the C-shaped friction plate 32 embraces the driving shaft 10 to be in tight contact with the driving shaft 10 to transmit torque, so as to drive the driven shaft to rotate.

In this embodiment: the inner side wall of the C-shaped friction plate 32 may be deformed into an elliptical hole-like portion when clasped; the C-shaped friction plates 32 are divided into a plurality of pairs, the convex portions 323 of the two C-shaped friction plates 32 of the pair are respectively connected with the two slots 311, and the C-shaped friction plates 32 connected with the two slots are arranged in a staggered manner.

Two bearings 33 are further provided between the outer sleeve portion 31 and the drive shaft 10, and the C-shaped friction plates 32 are located between the two bearings 33, and the C-shaped friction plates 32 are axially positioned by the two bearings 33. In the concrete structure: the inner wall of the outer sleeve part 31 is of a stepped structure with a small inside and a large outside, and is provided with a first turning section, a second turning section and a third turning section, the inner diameter of the first turning section, the inner diameter of the second turning section and the inner diameter of the third turning section are sequentially increased, a bearing is arranged in the first turning section, the second turning section is internally connected with the C-shaped friction plates 32, another bearing is arranged in the third turning section, the inner diameter is sequentially increased to form a stepped surface, and the bearing and the C-shaped friction plates are axially positioned through the stepped surface. Through setting up the bearing in order to guarantee drive shaft, by the pivoted axiality of drive shaft, improve rotation accuracy and stability.

A connecting sleeve 34 is further sleeved outside the outer sleeve part 31, a first end of the connecting sleeve 34 is provided with a protruding part which extends out of the tail end of the outer sleeve part 31, an oil seal 35 is further arranged in the connecting sleeve 34, and the oil seal 35 is connected in the protruding part, namely, is positioned outside the tail end port of the outer sleeve part and corresponds to the motor; the drive shaft 10 of the motor is sealed and rotatably passed through the oil seal 35. A sealing ring 36 is arranged between the second end of the connecting sleeve 34 and the outer sleeve 31. The port of the outer sleeve portion 31 and the clamping groove 311 are integrally located between the oil seal 35 and the sealing ring 36, so that a sealing cavity is formed between the connecting sleeve, the oil seal, the sealing ring and the outer sleeve portion, and the space in the outer sleeve portion forms a part of the sealing cavity, so that the lubricating oil in the outer sleeve portion is prevented from leaking out through the oil seal and the sealing ring.

The vehicle-mounted display turning device, as shown in fig. 7, comprises a driver A, a mounting mechanism B and a connecting mechanism C for mounting a display, wherein the connecting mechanism C can rotate relative to the mounting mechanism B, the driver is provided with a driving shaft, the connecting mechanism is provided with a driven shaft, and a clutch mechanism of the vehicle-mounted display turning device is arranged between the driving shaft and the driven shaft. The driver a, the clutch mechanism and the driven shaft cooperate to form a driving mechanism or a part of a driving mechanism of the driving connection mechanism C.

In the concrete structure: the mounting mechanism B comprises a mounting rack 2, the mounting rack 2 is fixed on a vehicle roof, and a right lug 21 and a left lug 22 which extend downwards are respectively arranged at the left end and the right end of the mounting rack 2; the connecting mechanism C comprises a flat plate frame 1, wherein the flat plate frame 1 is connected with the back surface of a display panel (not shown in figure 7), and a left rotating frame 61, a speed reducing motor and a right rotating frame 51 are fixedly arranged on one side of the flat plate frame 1 close to a mounting frame 2 in sequence; the drive a includes the above-described reduction motor. The power drive shaft 10 of the reduction motor is coaxially connected to a right fixed shaft 52 that is inserted into a right rotating frame 51 through a clutch mechanism, and the driven shaft 20 is provided on the right fixed shaft 42. The right end of the right fixed shaft 52 is non-rotatably connected to the right lug 21 of the mounting bracket 2 via a right flange 53. The left fixed shaft 62 is sleeved on the left rotating frame 61, and the left end of the left fixed shaft 62 is connected with the left lug 22 of the mounting frame 2 in a non-rotatable manner through the left flange 63. The left fixed shaft 62 is coaxial with the right fixed shaft 52 and forms a rotation axis for the pallet 1 to turn relative to the mounting frame 2. The right rotating frame 51 is provided with an angle switch 8, and the angle switch 8 provides an angle signal for relative rotation between the right rotating frame 51 and the right fixed shaft 52.

When the speed reducing motor is started in the forward direction, because the output shaft 31 is connected with the right fixed shaft 52 through the clutch mechanism, and the right fixed shaft 52 cannot rotate relative to the mounting frame 2, only the speed reducing motor body pushes the pallet 1 and the right rotating frame 51 to turn downwards (for example, turn clockwise) relative to the speed reducing motor output shaft 31 and the right fixed shaft 52, and at the same time, the left rotating frame 62 on the left side of the pallet 1 also turns downwards relative to the left fixed shaft 52 at the left end of the mounting frame 2 until a contact of a first micro switch in the corner switch 8 is touched (for example, the contact touches the mounting part), the first micro switch sends a power-off signal, so that the speed reducing motor stops rotating, and the display panel stops at the. The speed reducing motor is started reversely, because the output shaft 31 of the speed reducing motor is connected with the right fixed shaft 52 through the clutch mechanism, and does not rotate relative to the mounting frame 2, only the body of the speed reducing motor can push the flat frame 1 and the right rotating frame 51 to turn upwards (for example, turn anticlockwise) relative to the mounting frame 2 and the right fixed shaft 52, and meanwhile, the left rotating frame 61 on the left side of the flat frame 1 also turns upwards relative to the left fixed shaft 62 on the left end head of the mounting frame 2 until the contact of the second micro switch in the corner switch 8 is touched, so that the speed reducing motor stops rotating, and the display panel returns to a horizontal state.

When the speed reducing motor runs and the display panel meets the resistance of external force and exceeds the specified limit value of the clutch mechanism, and the pallet 1 cannot normally turn over, the driving shaft of the clutch mechanism slips relative to the inner wall of each C-shaped friction plate 42, and the speed reducing motor cannot be damaged due to the interference of the external force.

Wherein: the inner side wall of the C-shaped friction plate is directly connected with the driving shaft in a clasping manner to generate clasping force, so that the output torque is transmitted and controlled, and once the load is overlarge, the C-shaped friction plate slips relative to the driving shaft, so that the driving mechanism is protected from being damaged, the structure is simple and compact, the assembly is easy, and the manufacturing cost is low; the driving shaft is directly embraced by the inner side wall, the enclasping area is large, and the controllable range of the transmission torque is large. This convex part and draw-in groove tight fit or interference fit avoid producing and rock, and the noise reduction improves driven stability and reliability. Two bearings are further arranged between the outer sleeve portion and the driving shaft, the C-shaped friction plate is located between the two bearings, and the rotating axial degree and stability of the shaft are guaranteed through the bearings. The outer sleeve part is also sleeved with a connecting sleeve, so that the appearance is attractive and the structure is compact. An oil seal and a sealing ring are further arranged in the connecting sleeve, so that the lubricating oil in the outer sleeve part is prevented from leaking outwards through the oil seal and the sealing ring, and the smoothness of rotation is improved.

Example two

Referring to fig. 8 to 14, the driving mechanism of the turnover device of the vehicle-mounted display includes a mounting portion 70, a motor a1, a main rotating portion 10 ', a sub rotating portion 20', and a first rotating shaft 80.

The mounting portion 70 includes a housing including a case 71 and a cover 72 fixedly attached to the case 71 to cover an opening of the case 71.

The first shaft 80 is rotatably connected to the housing by two bearings 81, and the two bearings 81 are respectively connected to the bottom plate and the cover plate 72 of the box 71.

The secondary rotor portion 20 'has a stepped structure and includes a small outer diameter portion and a large outer diameter portion, the secondary rotor portion 20' is synchronously rotatably sleeved on the first rotating shaft 80, the first rotating shaft 80 is provided with a shoulder 82, and the secondary rotor portion 20 'is axially positioned by a bearing 81 and the shoulder 82, so that the secondary rotor portion 20' is installed in the installation portion 70 and can rotate relative to the installation portion 70. The main rotary part 10 ' is rotatably sleeved outside the small outer diameter part of the sub-rotary part 20 ', so that the main rotary part 10 ' is installed in the installation part 70 and can rotate relative to the installation part 70.

A clutch structure is arranged between the main rotating part and the auxiliary rotating part, the clutch structure comprises a C-shaped friction plate 32 and a linkage shaft 37, the linkage shaft 37 is connected with the C-shaped friction plate 32 and the main rotating part 10 ' so as to enable the C-shaped friction plate 32 and the main rotating part to synchronously rotate, the C-shaped friction plate 32 is provided with an inner side wall, and the inner side wall of the C-shaped friction plate 32 is tightly held by the auxiliary rotating part so as to drive the auxiliary rotating part 20 ' to rotate through holding force when the C-shaped friction plate 32 rotates along with the main rotating part 10 '. In the concrete structure: the main rotating part 10' is provided with a groove in a concave way, the linkage shaft 37 is inserted into the groove in a matching way, the linkage shaft 37 is cylindrical, and the linkage shaft 37 is provided with an inserting part extending out of the groove opening; a convex portion 322 is convexly arranged on the outer side wall of the C-shaped friction plate 32 opposite to the opening, and a slot 323 is arranged at the convex portion 322; the inserting part is inserted into the slot 323 so that the two rotate synchronously; the C-shaped friction plate 32 abuts against the end face of the main rotor 10 ', and further, the C-shaped friction plate 32 and the main rotor 10' are sequentially disposed between the shoulder 82 and the stepped face of the stepped structure of the slave rotor 20 ', that is, the C-shaped friction plate 32 and the main rotor 10' are sequentially axially positioned by the stepped face and the shoulder.

The output shaft of the motor A1 is in transmission connection with the main rotating part 10', and in the specific structure: the motor A1 is arranged outside the box body 71, the output shaft of the motor A1 extends into the box body 71 and is in transmission connection with the main rotating part 10', and the transmission connection is as follows: the output shaft of the motor a1 is in transmission connection with a third gear a11, the output shaft and the third gear a11 are, for example, a worm gear and worm gear mechanism or a helical gear mechanism, the third gear a11 is coaxially and fixedly connected with a fourth gear a12, the fourth gear a12 is meshed with a fifth gear a13, the fifth gear a13 is coaxially and fixedly connected with a sixth gear a14, the sixth gear a14 is meshed with a seventh gear a15, the seventh gear a15 is coaxially and fixedly connected with an eighth gear a16, the eighth gear a16 is meshed with a first gear arranged on the main rotating part 10', the coaxial gears are all connected to the mounting part 70 through a connecting shaft, and the first gear functions like the driving shaft of the first embodiment.

The secondary rotating part 20' is also connected with a transmission shaft 90 in a transmission way, and the second end of the transmission shaft 90 extends out of the shell to drive the turnover. In a specific structure, the large diameter portion of the driven portion 20' is provided with a second gear, the transmission shaft 90 is fixedly connected with a ninth gear 91, and the ninth gear 91 is engaged with the second gear. The second gear acts like the driven shaft of embodiment one.

The above-mentioned main rotating part 10 ', the sub rotating part 20', the third gear-the ninth gear, the clutch structure are all provided in the mounting part, and the motor is attached to the mounting part, so that the driving part is integrated and is convenient to assemble.

The first end of the transmission shaft 90 extends out of the mounting part 70, the extending part of the first end is synchronously connected with an angle positioning block 92 in a rotating way, two mounting grooves are concavely arranged on the back surface of the bottom plate of the box body 71 of the mounting part 70, and two magnets 93 and an electrical board 94 provided with two Hall receivers are respectively arranged on the two mounting grooves; the angle positioning block is arranged between the magnet and the electric appliance board, and the matching between the magnet and the Hall receiver is controlled by the rotation of the angle positioning block following the transmission shaft.

Referring to fig. 15 to 18, the in-vehicle display turning device includes a mounting frame 2 and a display screen part including a pallet 1 and a display panel 100 fixedly mounted on the pallet 1; the plate frame 1 can be connected with the mounting frame 2 in a swinging way, the mounting part 70 is fixedly arranged on the mounting frame 2, and the extending part of the second end of the transmission shaft 90 is synchronously connected with the display screen part in a rotating way so as to drive the display screen part to swing through the rotation of the transmission shaft, so that the display screen part can be changed between a closed state and an open state.

When the control system detects a signal for closing the Hall sensor during closing, the motor enables the display screen part to be in contact with the limiting position of the mounting frame at the set working time according to the set working time, so that pre-pressure is generated between the display screen part and the mounting frame, and the display screen part is ensured to be arranged at a close angle and not to freely shake between the display screen part and the mounting frame. When the Hall sensor is opened, when the control system detects a signal of opening the Hall sensor, the motor enables the positioning surface of the angle block to be in contact with the boss of the matching surface of the motor box body and the angle block when the angle block is opened according to the set time in the working set time, so that pre-pressure is generated between the display screen part and the motor (mounting rack), and the situation that the angle of the display screen part is consistent and the display screen part and the mounting rack cannot freely shake when the display screen part is opened is ensured.

The linkage shaft is arranged on the main rotating part and is provided with an inserting part extending out of the end face of the main rotating part, a convex part is convexly arranged on the outer side wall of the C-shaped friction plate back to the opening, and a slot is arranged at the convex part; the inserting part is inserted into the slot, so that the structure is simple and compact, and the assembly is convenient. The C-shaped friction plate is abutted against the end face of the main rotating part, and the C-shaped friction plate is reasonable in layout and compact in structure. The motor is connected to the shell, the main rotating part and the auxiliary rotating part are connected to the shell, the clutch structure is located in the shell, and the transmission shaft extends out of the shell, so that the structure is compact. The main rotating part can be rotatably sleeved outside the auxiliary rotating part, and the transmission is stable and reliable. Still include first pivot, from changeing the portion and cup jointing outside first pivot, main commentaries on classics portion adaptation connection outside little external diameter portion, through convex shoulder and stair structure's ladder face axial positioning C shape friction disc and main commentaries on classics portion, convenient assembling, the location is reliable and stable, compact structure. The first rotating shaft is connected to the mounting portion through a bearing, the main rotating portion is axially positioned through the bearing and the shoulder, positioning is stable and reliable, and the structure is compact.

EXAMPLE III

Referring to fig. 19, it is different from the second embodiment in that: the linkage shaft 37 is integrally protruded on the end surface of the main rotating part 10', the linkage shaft 37 is in a boss structure, and the cross section of the boss structure is polygonal.

Example four

Referring to fig. 20, it is different from the second embodiment in that: the shoulder 82 and the stepped surface of the stepped structure of the secondary rotor 20 ' are sequentially provided with the primary rotor 10 ' and the C-shaped friction plate 32, that is, the primary rotor 10 ' and the C-shaped friction plate 32 are sequentially positioned axially by the stepped surface and the shoulder.

EXAMPLE five

Referring to fig. 21 to 23, the difference between the embodiments is: the driven part 20 'directly forms a transmission shaft, the driven part 20' is rotatably connected to the mounting part 70 through two bearings 201 ', and the two bearings 201' are respectively mounted on the bottom plate and the cover plate 72 of the box body 71; the number of the C-shaped friction plates 32 is two, the two C-shaped friction plates 32 are connected together in parallel and arranged along the axial direction, and the linkage shaft 37 is connected with the C-shaped friction plates 32 and the main rotating part 10'; the secondary rotor 20 'is provided with a stepped structure having a step surface by which the primary rotor 10' and the C-shaped friction plate 32 are axially positioned, in a particular configuration: the main rotating portion 10 ' is interposed between the two C-shaped friction plates 32 and the step faces, and the main rotating portion 10 ', the two C-shaped friction plates 32 and the step faces are arranged in order of the first C-shaped friction plate 32, the second C-shaped friction plate 32, the main rotating portion 10 ' and the step faces. The number of the C-shaped friction plates is at least two, the at least two C-shaped friction plates are arranged along the axial direction, the linkage shaft is connected with the C-shaped friction plates and the main rotating part, and the torque transmission is more stable. The driven part forms a transmission shaft, the driven part is connected with the mounting part through a bearing, and the transmission shaft partially extends out of the mounting part, so that the structure is compact. The secondary rotating part is provided with a step surface, and the primary rotating part and the C-shaped friction plate are axially positioned through the step surface, so that the structure is compact.

EXAMPLE six

Please refer to fig. 24, which is different from the fifth embodiment in that: the main rotating portion 10 ' is interposed between two C-shaped friction plates 32, and the main rotating portion 10 ', the two C-shaped friction plates 32, and the step surfaces are arranged in order of a first C-shaped friction plate 32, the main rotating portion 10 ', a second C-shaped friction plate 32, and the step.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims (19)

1. The clutch mechanism of the vehicle-mounted display turnover device is connected with a main rotating part and a secondary rotating part, the main rotating part comprises a power driving shaft, the secondary rotating part comprises a driven shaft, and the vehicle-mounted display turnover device is characterized in that: the clutch mechanism comprises an outer sleeve part fixedly connected with a driven shaft and at least one C-shaped friction plate; the inner wall of the outer sleeve part is concavely provided with a clamping groove; the C-shaped friction plate is provided with an opening, the outer side wall of the C-shaped friction plate is convexly provided with a convex part opposite to the opening, and the C-shaped friction plate is provided with an inner side wall; the C-shaped friction plate is arranged in the outer sleeve part, the convex part is arranged in the clamping groove so that the C-shaped friction plate and the outer sleeve part can synchronously rotate, the C-shaped friction plate is sleeved outside the driving shaft, the inner side wall of the C-shaped friction plate tightly holds the driving shaft, and torque is transmitted through the tight holding between the inner side wall and the driving shaft; two bearings are arranged between the outer sleeve part and the driving shaft, and the C-shaped friction plate is positioned between the two bearings.

2. The clutch mechanism of the vehicle-mounted display turnover device according to claim 1, characterized in that:

the outer sleeve part is provided with two clamping grooves, the clamping grooves penetrate through the inside and the outside of the outer sleeve part, the clamping grooves are arranged along the axis parallel to the outer sleeve part, and the two clamping grooves are radially and symmetrically arranged relative to the axis of the outer sleeve part;

the number of the C-shaped friction plates is multiple, and each clamping groove is at least connected with a convex part of one C-shaped friction plate; the outer sleeve part is coaxially and fixedly connected with the driven shaft, and one end of the clamping groove is communicated with the tail end of the outer sleeve part;

the convex part is in tight fit or interference fit with the clamping groove.

3. The clutch mechanism of the vehicle-mounted display turnover device is connected with a main rotating part and a secondary rotating part, the main rotating part comprises a power driving shaft, the secondary rotating part comprises a driven shaft, and the vehicle-mounted display turnover device is characterized in that: the clutch mechanism comprises an outer sleeve part fixedly connected with a driven shaft and at least one C-shaped friction plate; the inner wall of the outer sleeve part is concavely provided with a clamping groove; the C-shaped friction plate is provided with an opening, the outer side wall of the C-shaped friction plate is convexly provided with a convex part opposite to the opening, and the C-shaped friction plate is provided with an inner side wall; the C-shaped friction plate is arranged in the outer sleeve part, the convex part is arranged in the clamping groove so that the C-shaped friction plate and the outer sleeve part can synchronously rotate, the C-shaped friction plate is sleeved outside the driving shaft, the inner side wall of the C-shaped friction plate tightly holds the driving shaft, and torque is transmitted through the tight holding between the inner side wall and the driving shaft; the outer sleeve part is also sleeved with a connecting sleeve.

4. The clutch mechanism of the vehicle-mounted display turnover device according to claim 3, characterized in that: an oil seal is further arranged in the connecting sleeve, a sealing ring is arranged between the connecting sleeve and the outer sleeve portion, and a cavity which is filled with lubricating oil and can prevent the lubricating oil from leaking outside is formed by matching the oil seal, the sealing ring, the connecting sleeve and the outer sleeve portion.

5. The clutch mechanism of the vehicle-mounted display turnover device according to claim 4, characterized in that: the oil seal is positioned outside the end port of the outer sleeve part, the driving shaft is sealed and can rotate to penetrate through the oil seal, and the port of the outer sleeve part and the clamping groove are integrally positioned between the oil seal and the sealing ring.

6. The clutch mechanism of the in-vehicle display turning device according to claim 3, 4 or 5, characterized in that:

the outer sleeve part is provided with two clamping grooves, the clamping grooves penetrate through the inside and the outside of the outer sleeve part, the clamping grooves are arranged along the axis parallel to the outer sleeve part, and the two clamping grooves are radially and symmetrically arranged relative to the axis of the outer sleeve part;

the number of the C-shaped friction plates is multiple, and each clamping groove is at least connected with a convex part of one C-shaped friction plate; the outer sleeve part is coaxially and fixedly connected with the driven shaft, and one end of the clamping groove is communicated with the tail end of the outer sleeve part;

the convex part is in tight fit or interference fit with the clamping groove.

7. Vehicle-mounted display turning device's actuating mechanism, its characterized in that: comprises a mounting part, a motor, a main rotating part and a driven rotating part; the main rotating part and the auxiliary rotating part are both arranged on the mounting part and can rotate relative to the mounting part; the output shaft of the motor is in transmission connection with the main rotating part; a clutch structure is arranged between the main rotating part and the auxiliary rotating part, the clutch structure comprises a C-shaped friction plate and a linkage shaft, the linkage shaft is connected with the C-shaped friction plate and the main rotating part so as to enable the C-shaped friction plate and the main rotating part to synchronously rotate, the C-shaped friction plate is provided with an inner side wall, and the inner side wall of the C-shaped friction plate tightly embraces the auxiliary rotating part so as to drive the auxiliary rotating part to rotate through holding force when the C-shaped friction plate rotates along with the main rotating part; the driven rotating part forms a transmission shaft or is also in transmission connection with the driven rotating part.

8. The drive mechanism of the in-vehicle display turning device according to claim 7, characterized in that: the linkage shaft is arranged on the main rotating part and is provided with an inserting part extending out of the end face of the main rotating part; a convex part is convexly arranged on the outer side wall of the C-shaped friction plate back to the opening, and a slot is arranged at the convex part; the inserting part is inserted into the slot.

9. The driving mechanism of the in-vehicle display turning device according to claim 8, characterized in that: the C-shaped friction plate is abutted against the end face of the main rotating part.

10. The drive mechanism of the in-vehicle display turning device according to claim 7, characterized in that: the mounting portion includes a housing, the motor is attached to the housing, the main rotor and the secondary rotor are both attached to the housing, the clutch structure is located within the housing, and the drive shaft extends out of the housing.

11. The drive mechanism of the in-vehicle display turning device according to claim 7, characterized in that: the number of the C-shaped friction plates is at least two, the main rotating part is clamped between the C-shaped friction plates or the main rotating part and the C-shaped friction plates are arranged in sequence side by side, and the linkage shaft penetrates through the C-shaped friction plates and the main rotating part.

12. The drive mechanism of the in-vehicle display turning device according to claim 7, characterized in that: the extending part of the transmission shaft extending out of the mounting part is synchronously connected with an angle positioning block in a rotating way, and the mounting part is provided with two magnets and an electric board provided with two Hall receivers; the angle positioning block is arranged between the magnet and the electric appliance board, and the matching between the magnet and the Hall receiver is controlled by the rotation of the angle positioning block following the transmission shaft.

13. The drive mechanism of the in-vehicle display turning device according to claim 7, 8, 9, 10, 11, or 12, characterized in that: the main rotating part can be rotatably sleeved outside the auxiliary rotating part.

14. The drive mechanism of the in-vehicle display turning device according to claim 13, characterized in that: the first rotating shaft is provided with a convex shoulder, and the driven rotating part is sleeved outside the first rotating shaft; the secondary rotating part is of a ladder structure and comprises a small outer diameter part and a large outer diameter part, and the main rotating part is connected outside the small outer diameter part in an adaptive manner; the C-shaped friction plate and the main rotating part are axially positioned through the shoulder and the step surface of the step structure.

15. The drive mechanism of the in-vehicle display turning device according to claim 14, characterized in that: the first shaft is connected to the mounting portion by a bearing, and the main rotor is axially positioned by the bearing and the shoulder.

16. The drive mechanism of the in-vehicle display turning device according to claim 14, characterized in that: the main rotating part comprises a first gear, the output shaft of the motor is in transmission connection with the first gear, the large-outer-diameter part of the secondary rotating part is provided with a second gear, the second gear is in transmission connection with a transmission shaft, and the transmission shaft partially extends out of the mounting part.

17. The drive mechanism of the in-vehicle display turning device according to claim 13, characterized in that: the driven part constitutes a drive shaft, which is connected to the mounting part by means of bearings, the drive shaft extending partly outside the mounting part.

18. The drive mechanism of the in-vehicle display turning device according to claim 16, characterized in that: the main rotating part comprises a first gear; the driven rotating part is provided with a step surface, and the main rotating part and the C-shaped friction plate are axially positioned through the step surface.

19. On-vehicle display turning device's clutching mechanism, it connects main portion and from the portion that changes, its characterized in that: the clutch mechanism comprises at least one C-shaped friction plate; the C-shaped friction plate is provided with an opening, the outer side wall of the C-shaped friction plate is convexly provided with a convex part opposite to the opening, and the C-shaped friction plate is provided with an inner side wall; the convex part of the C-shaped friction plate is connected with the secondary rotating part together so that the C-shaped friction plate drives the secondary rotating part to rotate, the C-shaped friction plate is sleeved outside the primary rotating part, the inner side wall of the C-shaped friction plate tightly holds the primary rotating part, and torque is transmitted through the tight holding between the inner side wall and the primary rotating part.

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