CN2717759Y - Mechanical parts for built-in vehicular video display device - Google Patents

Abstract

The utility model belongs to the mechanical parts for vehicular video display device. The mechanical part is provided with an engine base component and a moving component. The teeth of the engine base component is fixed on the lower end face of the upper plate of the engine base; the rail is fixed on the left and right lateral plate of the engine base through a fixed leg. The base assembly of the moving component is connected with the front and back of the engine base in sliding connection through a guide block component, making the base assembly locate between the upper plate of the engine base and the rail. The driving device is arranged on the base assembly; the power output gear wheel of the driving device is meshed with the rack of the engine base component. The display screen assembly is rotary connected with the base assembly through a hinge assembly. When the display screen assembly is placed in flat position, the display screen assembly is provided between the upper plate of the engine base of the engine base component and the rail and the corresponding position to the left side surface of the display screen is provided above each left fixed leg; the corresponding position to the right side surface of the display screen is provided above each right fixed leg. The utility model can adopt larger-area LCD in the vehicular occasion.

Description

The mechanical part of built-in vehicle video display devices

Technical field

The utility model relates to a kind of mechanical part of vehicle-carried video display device.

Background technology

Vehicle carried video frequency unit is provided with the difference of position by it, is divided into two big classes usually.One class is fixed on the operator platform of automotive front and can be described as the built-in vehicle video unit, another kind ofly is fixed on the top in the automobile and can be described as the ceiling type vehicle carried video frequency unit.The built-in vehicle video unit has two kinds: a kind of be have only read out instrument, by lead and the vehicle carried video frequency unit that the disk loading device of other setting links to each other, can be described as the not built-in vehicle video display devices of tep reel force-input device.Another kind is the vehicle carried video frequency unit that disk loading device and read out instrument are installed together, and can be described as the built-in vehicle video display devices that has disk loading device; These two kinds of vehicle-carried video display devices include mechanical part and the correspondent control circuits that has read-out.Vehicle-carried video display device carries out then can carrying out the broadcast of optic disk after circuit is connected with the optic disk playing device, and then can carry out the broadcast of TV after radiovisor is connected, and also can monitor the running route of automobile etc. after the satellite navigation receptor is connected.The mechanical part of vehicle-carried video display device can be fixed on the position of audio playing apparatus of operator platform of automotive front and replace original audio playing apparatus; Usually the size of leaving audio playing apparatus on the panel of operator platform for is that (in general length is 178 millimeters to 1DIN, highly be 50 millimeters) or 2DIN (in general length is 178 millimeters, highly be 100 millimeters), the degree of depth of placing audio playing apparatus in operator platform is 160 millimeter and certain variation can be arranged.Like this, the mechanical part that vehicle-carried video display device is set on vehicle cab then has certain restriction to the size of its length and height.

Chinese patent application 02219933.0 discloses a kind of mechanical part of built-in vehicle video display devices.This mechanical part both can be used as the not built-in vehicle video display devices of tep reel force-input device, also can be used as the built-in vehicle video display devices of tep reel force-input device.This mechanical part has support component, leader block parts, movable parts, shift position detection part and turned position detection part.Support component has support, guide rail and tooth bar; Leader block parts has guide block and slide block; Movable parts has base assembly, screen holder assembly, read-out and transfer mechanism.The transfer mechanism of movable parts is arranged on the base assembly; Screen holder assembly and base assembly are rotationally connected, and being rotationally connected to there being resistance to be rotationally connected each other, and read-out is fixed on and shields on the holder assembly.But the slide block of leader block parts is arranged in the guide groove of guide block and slide block and guide block slide relative, and slide block is connected on the base assembly of movable parts; The arranged outside of guide block in the guide rail of support component and guide block can slide with respect to guide rail, and the guide rail that makes support component leads to the motion of movable parts turnover support.The axis of each Transmission on the transfer mechanism messenger chain of movable parts parallels with the axis of the motor shaft of feeding motor, be meshed with tooth bar as the power output gear of the takeoff output spare of transfer mechanism as the power input component of support component, thereby be under the state that keeps flat at read-out, can under the effect of transfer mechanism, make movable parts do the front and back of turnover support to motion with respect to support component; Be in the handover reference position or do front and back when moving with respect to support component between handover reference position and handover final position at movable parts, read-out is in all the time and keeps flat the position.When movable parts is in when transferring final position, the screen holder assembly that can make movable parts by external force together with read-out with respect to base assembly by keeping flat rotated position to play position, or turn to by play position and to keep flat the position.The transmitting place detection part can detect with respect to the position of support movable parts; The part of transmitting place detection part directly or indirectly is arranged on the movable parts, another part directly or indirectly is arranged on the support component.The turned position detection part can detect with respect to the position of base assembly the screen holder assembly; The turned position detection part is arranged on the base assembly and its contact can contact with the casing of read-out.In the mechanical part of this vehicle-carried video display device, because the space motion of read-out between two guide rails,, thereby can not adopt area than large display screen so the length dimension of read-out must be less than the distance of two guide rails.

The utility model content

The purpose of this utility model is that a kind of mechanical part that uses the built-in vehicle video display devices of larger area LCDs is provided.

The technical scheme that realizes the utility model purpose is: this mechanical part has support component and movable parts; Support component has support, bottom, guide rail and tooth bar; Guide rail comprises left rail and right guide rail; Bottom is fixed on the support and is positioned at the lower end of support; Tooth bar is fixed on the lower surface of upper plate of support; Movable parts has leader block parts, base assembly, transmission device and display screen component; Leader block parts comprises left guide block assembly and right guide block assembly; Left side guide block assembly is arranged in the left rail of support component, and can be with respect to sliding before and after the left rail; Right guide block assembly is arranged in the right guide rail of support component, and can be with respect to sliding before and after the right guide rail; Transmission device is arranged on the base assembly, and the power output gear of transmission device is meshed with the tooth bar of support component; Its constructional feature is: support component also has left side fixed leg and right side fixed leg; Movable parts also has hinge component; Display screen component is rotationally connected by hinge component and base assembly; The left rail of support component is fixed on the left side board of support by 2 to 5 left side fixed legs and is positioned at the middle part of above-below direction, and right guide rail is fixed on the right side board of support and is positioned at the middle part of above-below direction by 2 to 5 right side fixed legs; The left guide block of the left guide block assembly of leader block parts is fixed on the left side board of pedestal of base assembly and is positioned at the bottom of this left side board, the right guide block of right guide block assembly is fixed on the right side board of pedestal of base assembly and is positioned at the bottom of this right side board, and make base assembly, and make base assembly between the upper plate and guide rail of the support of support component by sliding block joint before and after leader block parts and the support; When display screen component is in when keeping flat the position, display screen component is between the upper plate and guide rail of the support of support component, and the corresponding site of the left surface of display screen component is positioned at each top of fixed leg, left side and directly relative with the left side board of support, and the corresponding site of the right flank of display screen component is positioned at the top of each right side fixed leg and directly relative with the right side board of support.

The right guide block assembly of above-mentioned leader block parts also has 2 stage clips and 2 steel balls; Right guide block be provided with about 2 to through hole, the diameter of the right nose end of these 2 through holes is less than the diameter of left hole section; Be provided with 1 steel ball and 1 stage clip by from outside to inside order in each through hole of right guide block, stage clip is compressed, and the inner of stage clip contacts with the right side board of pedestal, the outer end contacts with steel ball, the part spheroid of steel ball from the right-hand member of the through hole of right guide block expose and with right guide rail Elastic Contact.

The hinge component of above-mentioned movable parts has left hinge, left-hand rotation moving part, link span, right hinge and right-hand rotation moving part; Display screen component has LCDs, screen lid and back of the body lid; The left hinge of hinge component and right hinge are separately fixed at the left side and the right side of link span; The left-hand rotation moving part is resiliently clamped on the left hinge and can has resistance to rotate with respect to left hinge; The right-hand rotation moving part is resiliently clamped on the right hinge and can has resistance to rotate with respect to right hinge; The screen of display screen component covers and back of the body lid is captiveed joint and constitute casing; The LCDs setting also is fixed in the casing that screen covers and back of the body lid is formed; The link span of hinge component covers by back of the body lid and the screen that its adapter plate is fixed on display screen component; The left-hand rotation moving part of hinge component is captiveed joint with the anterior fishplate bar of the pedestal of base assembly with the right-hand rotation moving part.

Above-mentioned support component also has left side cylindricality block piece and right side cylindricality block piece; The left side cylindricality block piece of support component is fixed on the left side board of support, be positioned at the top front end of left side board and towards support, and right side cylindricality block piece is fixed on the right side board of support, be positioned at the top front end of right side board and towards support; Base assembly also has left block and right block; Left side block is fixed on the left side of left side board of pedestal and is positioned at the top of left side board, and right block is fixed on the right side of right side board of pedestal and is positioned at the top of right side board; Left side block is provided with the guide groove towards a left side that connects with the place ahead, and right block is provided with the guide groove towards the right side that connects with the place ahead; The screen of the display screen component lid and the back of the body cover when constituting casing, are provided with left side guide groove that connects with the rear between screen lid and back of the body lid and the right side guide groove that connects with the rear in the both sides of casing; When movable parts was in the handover reference position, left side cylindricality block piece was arranged in the left side guide groove of the casing of display screen component, and right side cylindricality block piece is arranged in the right side guide groove of the casing of display screen component; When movable parts is in the handover final position, left side cylindricality block piece is arranged in the guide groove of left block and contacts or be close with the cell wall forward of the guide groove of left block, and right side cylindricality block piece is arranged in the guide groove of right block and contacts or be close with the cell wall forward of the guide groove of right block.

The tooth bar of above-mentioned support component comprises right tooth bar; Right tooth bar is positioned at the right part of the upper plate of support, and right tooth bar has direction driving cog portion left; Base assembly also has motor erecting frame and gear erecting frame; The motor erecting frame is fixed on the lower surface of middle part seat board of pedestal and is positioned at the right part front side of middle part seat board, and the gear erecting frame is fixed on the lower surface of middle part seat board of pedestal and is positioned at the right part rear side of middle part seat board; Transmission device has motor, worm screw, worm-gear toothing assembly, first dual gear, second dual gear and the 3rd dual gear; Motor is fixed on the motor erecting frame; The worm-gear toothing assembly is rotationally connected with the worm-wheel shaft that is fixed on the motor erecting frame, and a collar is stuck in the worm-wheel shaft lower end and makes the worm-gear toothing assembly limited in the axial direction; First dual gear is rotationally connected with first gear wheel shaft that is fixed on the middle part seat board of pedestal, and a collar is stuck in the first gear wheel shaft lower end and makes first dual gear limited in the axial direction; Second dual gear be fixed on that second gear wheel shaft on the gear erecting frame is rotationally connected and the upper end of this second gear wheel shaft is stretched in the knock hole of middle part seat board of pedestal; The 3rd dual gear is rotationally connected with the 3rd gear wheel shaft that is fixed on the gear erecting frame, and a collar is stuck in the 3rd gear wheel shaft lower end and makes the 3rd dual gear limited in the axial direction; Worm screw is fixed on the motor shaft of motor, and the superposed worm gear of worm and wheel gear assembly is meshed, the gear that is positioned at the bottom of worm-gear toothing assembly is meshed with the big gear wheel that is positioned at the bottom of first dual gear, the superposed miniature gears of first dual gear is meshed with the big gear wheel that is positioned at the bottom of second dual gear, the superposed miniature gears of second dual gear is meshed with the big gear wheel that is positioned at the bottom of the 3rd dual gear, and the superposed miniature gears of the 3rd dual gear is as the power output gear of transmission device and be meshed with right rack for transmission tooth portion; The big gear wheel that is positioned at the bottom of the 3rd dual gear is blocked the big gear wheel that is positioned at the bottom of second dual gear from the top.

The worm gear of the worm-gear toothing assembly of above-mentioned transmission device has lower cavity and upper chamber, and the gear of worm-gear toothing assembly is the gear that has pallet; The worm-gear toothing assembly also has joint pin, annular arrangement felt, lower gasket, stage clip, Upper gasket and spring washer; Joint pin passes gear, annular arrangement felt, worm gear, lower gasket, stage clip and Upper gasket from the bottom to top successively, be stuck in by spring washer on the draw-in groove of joint pin upper end, and gear, annular arrangement felt, worm gear, lower gasket, stage clip and Upper gasket are connected in turn, and make stage clip be in confined state, and formed the assembly set of rotating torque restricted type; Lower gasket wherein, stage clip and Upper gasket are arranged in the upper chamber of worm gear, felt is clamped between the end face down of lower cavity of the upper surface of pallet of gear and worm gear and has formed a sliding friction pair between the pallet of gear and felt, thereby makes the worm-gear toothing assembly become a rotating torque killer; Worm-wheel shaft passes from the centre hole of joint pin.

The tooth bar of above-mentioned support component also comprises left tooth bar; Left side tooth bar is positioned at the left part of the upper plate of support, and left tooth bar has the synchronous tooth portion that is directed downwards; Right tooth bar also has the synchronous tooth portion that is directed downwards; The left block of base assembly also is provided with the registration mast towards the right side, and registration mast has the centre hole towards the right side; The left side board of pedestal is provided with gap backwards, and the right side board of pedestal is provided with knock hole, and the registration mast of left block is arranged in the gap of left side board of pedestal; Movable parts also has synchronizer gear; Synchronizer gear has left side transition gear, left side synchronizer gear, synchronizing bar, right side synchronizer gear, right side transition gear and locating bush; The left side synchronizer gear is tightly fixed at the left end of synchronizing bar; The right side synchronizer gear is tightly fixed at the right-hand member of synchronizing bar; The left end head of synchronizing bar stretches in the centre hole of registration mast of left block and can rotate with respect to registration mast, locating bush is enclosed within on the right-hand member head of synchronizing bar and synchronizing bar can rotate with respect to locating bush, locating bush stretches in the knock hole of right side board of pedestal and can rotate with respect to right side board, thereby synchronizing bar can rotate with respect to base assembly; The left side transition gear is rotationally connected with the transition gear axle that is fixed on the left side board of pedestal, and a collar is stuck in the right-hand member of transition gear axle and makes the left side transition gear limited in the axial direction; The right side transition gear is rotationally connected with the transition gear axle that is fixed on the right side board of pedestal, and a collar is stuck in the left end of transition gear axle and makes the right side transition gear limited in the axial direction; The synchronous tooth portion that is directed downwards of right side transition gear and right tooth bar is meshed, simultaneously also be fixed on synchronizing bar on the right side synchronizer gear be meshed, the left side synchronizer gear that is fixed on the synchronizing bar is meshed with the left side transition gear, and the left side transition gear also is meshed with the synchronous tooth portion that is directed downwards of left tooth bar simultaneously.

Above-mentioned movable parts also has the transmitting place detection piece; The transmitting place detection piece has rotary resistance sensor, and rotary resistance sensor has sensor gear and a part of turning cylinder that stretches out sensor outer housing, and sensor gear is fixed on the external end head of turning cylinder; Base assembly also has sensor stand, and sensor stand is fixed on the lower surface of middle part seat board of pedestal and is positioned at the left back portion of middle part seat board; The rotary resistance sensor of transmitting place detection piece is fixed on the sensor stand by its shell, and sensor gear is meshed with the left side transition gear.

The left rail of support component is identical with right guide rail residing height in support.The width L1 of the casing of display screen component is 170 to 175 millimeters.

The utlity model has positive effect; (1) all is positioned at the top of the guide rail of support component because of movable parts of the present utility model, and the both sides of display screen component wherein are directly relative with the left side plate of support, thereby can select width to be slightly less than 178 millimeters LCDs, and can make the area of LCDs bigger.(2) the left guide block assembly of leader block parts of the present utility model is slidingly connected in the left rail, right guide block assembly is slidingly connected in the right guide rail, when right guide block assembly employing has the structure of Elastic Contact function, then in the process that leader block parts slides along the guide rail front and back, making the both sides of leader block parts is Elastic Contact with contacting of guide rail, thereby makes leader block parts slide comparatively steady along the front and back of guide rail.(3) hinge component of movable parts of the present utility model is simple in structure, and because of employing has the structure that is rotationally connected of resistance, even if when the utility model uses under the state that jolts, also can make LCDs stably remain on play position.(4) the utility model is provided with left side cylindricality block piece and right side cylindricality block piece on support, left block and right block are set on pedestal, and be provided with left side guide groove that connects with the rear between screen lid and back of the body lid and the right side guide groove that connects with the rear in the both sides of the casing of display screen component, if movable parts occurring moves to outside support and transfers final position and when continuing the unforeseen circumstances of outwards motion, can be stopped left block and the right block that is fixed on the pedestal by left side cylindricality block piece and right side cylindricality block piece.(5) when rotating mechanism of the present utility model be when having the transmission device of rotating torque killer; overcome the resistance of back level gear and in the process of outputting power at the gear of its worm-gear toothing assembly; when the resistance of back level gear during greater than the pallet of the gear of worm-gear toothing assembly and the static friction force between the felt; then the worm gear drives felt slides with respect to gear; be that usually said generation is skidded, thereby help protecting motor and interlock circuit.The testing circuit of a current of electric can certainly be set in control circuit, when current of electric is big, in time stop power supply motor.(6) in the movable parts of the present utility model synchronizer gear is set after, can make the motion of turnover support of movable parts more steady, prevent the skew of moving.(7) in the movable parts of the present utility model the transmitting place detection piece is set after, can convert the number of teeth of the rotation of sensor gear to electric signal by rotary resistance sensor and transport to control circuit, judge the residing position of movable parts by control circuit, and can the rotation of motor be controlled accurately; When movable parts moves to when transferring final position by transferring reference position, then judge according to the signal of sensor that motion puts in place and send control signal motor is stopped operating by control circuit; Vice versa, when movable parts moves to when transferring reference position by transferring final position, then judges according to the signal of sensor that motion puts in place by control circuit and send control signal motor is stopped operating.

Description of drawings

Fig. 1 is the schematic perspective view of the mechanical part of vehicle-carried video display device of the present utility model.

Fig. 2 is the schematic perspective view during from Fig. 1 beneath.

Fig. 3 is the schematic perspective view after the bottom of the support component among Fig. 2 is removed, and movable parts wherein is in the handover reference position.

Fig. 4 transfers reference position and moves to the schematic perspective view of transferring behind the final position by being in for the movable parts among Fig. 3.

Fig. 5 keeps flat the schematic perspective view of rotated position to the play position for the display screen component of the movable parts among Fig. 4 by being in.

Fig. 6 is between the support component and movable parts among Fig. 4, between the support of support component and left side cylindricality block piece, the right side cylindricality block piece and the synchronizer gear of movable parts and the perspective exploded view of the interrelation between the base assembly.

Fig. 7 is the perspective exploded view when observing from the back upper place of Fig. 6.

Fig. 8 is the perspective exploded view of the interrelation of support, guide rail, tooth bar, left positioner post, right positioner post among Fig. 6, gives the interconnected relationship of bottom and support among the figure.

Fig. 9 is display screen component in the movable parts among Fig. 6 and hinge component, and the perspective exploded view of the interrelation of hinge component and base assembly.

Figure 10 is the perspective exploded view of the hinge component among Fig. 9.

Figure 11 be among Fig. 6 second circuit card, rotate to detect the perspective exploded view of the mutual relation of touch part erecting frame in touch part, the base assembly and pedestal and corresponding construction spare.

Figure 12 is the leader block parts among Figure 11 and the perspective exploded view of pedestal interrelation.

Figure 13 is the perspective exploded view of the interrelation of the relevant part of transmission device, synchronizer gear among Figure 12 and transmitting place detection piece and pedestal and corresponding construction spare.

Figure 14 is the perspective exploded view of the worm-gear toothing assembly of the transmission device among Figure 13.

Figure 15 be the movable parts messenger chain among Fig. 6 schematic perspective view and with the schematic perspective view of the tooth bar interrelation of support component.

Figure 16 is the perspective exploded view when observing from Figure 15 back upper place.

The specific embodiment

(embodiment 1)

See Fig. 1 to Fig. 6, the mechanical part of the vehicle-carried video display device of present embodiment has support component 1 and movable parts.Support component 1 has support 11, bottom 12, guide rail, tooth bar, left side fixed leg 151, right side fixed leg 152, left side cylindricality block piece 161 and right side cylindricality block piece 162.Movable parts has leader block parts 2, base assembly 3, transmission device 4, synchronizer gear 5, hinge component 6, display screen component 7, transmitting place detection piece 80 and rotates and detect touch part 83.Support 11, bottom 12, guide rail, left side fixed leg 151, right side fixed leg 152, left side cylindricality block piece 161 and right side cylindricality block piece 162 are steelwork; Tooth bar is a moulding.The width L of support 11 is 178 millimeters a standard size, and the thickness of slab of support 11 is 1 millimeter.

See Fig. 8, the guide rail of support component 1 comprises left rail 131 and right guide rail 132, and the tooth bar of support component 1 comprises left tooth bar 141 and right tooth bar 142.Left side tooth bar 141 has the synchronous tooth 141-2 of portion that is directed downwards, the synchronous tooth 142-2 of portion that right tooth bar 142 has the direction 142-1 of driving cog portion left and is directed downwards.Bottom 12 is fixed on the support 11 and is positioned at the lower end of support 11.The left side board 11-1 that left rail 131 is fixed on support 11 by 3 left side fixed legs 151 goes up and is positioned at the middle part of above-below direction, and the right side board 11-3 that right guide rail 132 is fixed on support 11 by 3 right side fixed legs 152 goes up and be positioned at the middle part of above-below direction; Left rail 131 identical with right guide rail 132 residing height in support 11 (height of left rail 131 and right guide rail 132 also can be inequality in other embodiments, as long as the LCDs 71 of display screen component 7 parallels with the upper plate 11-2 of support 11).Tooth bar is fixed on the lower surface of upper plate 11-2 of support 11, left tooth bar 141 wherein be positioned at support 11 on pull the left part of 11-2, right tooth bar 142 is positioned at the right part of the upper plate 11-2 of support 11.The left side board 11-1 that left side cylindricality block piece 161 is fixed on support 11 goes up, be positioned at the top front end of left side board 11-1 and towards support, and the right side board 11-3 that right side cylindricality block piece 162 is fixed on support 11 goes up, be positioned at the top front end of right side board 11-3 and towards support.

See Fig. 6, Fig. 9 and Figure 11, base assembly 3 has pedestal 31, motor erecting frame 32, gear erecting frame 33, sensor stand 34, left block 35, right block 36 and touch part erecting frame 37.Pedestal 31, motor erecting frame 32, gear erecting frame 33, sensor stand 34 and touch part erecting frame 37 are steelwork, and left block 35 and right block 36 are moulding.Pedestal 31 has left side board 31-1, middle part seat board 31-2, right side board 31-3 and anterior fishplate bar 31-4, and the left side board 31-1 of pedestal 31 is provided with gap 31-5 backwards, and the right side board 31-3 of pedestal 31 is provided with knock hole 31-6.Motor erecting frame 32 is fixed on the lower surface of middle part seat board 31-2 of pedestal 31 and is positioned at the right part front side of middle part seat board 31-2, and gear erecting frame 33 is fixed on the lower surface of middle part seat board 31-2 of pedestal 31 and is positioned at the right part rear side of middle part seat board 31-2; Sensor stand 34 is fixed on the lower surface of middle part seat board 31-2 of pedestal 31 and is positioned at the left back portion of middle part seat board 31-2; Left side block 35 is fixed on the left side of left side board 31-1 of pedestal 31 and is positioned at the top of left side board 31-1, and the registration mast 35-3 of left block 35 is arranged among the gap 31-5 of left side board 31-1 of pedestal 31, and right block 36 is fixed on the right side of right side board 31-3 of pedestal 31 and is positioned at the top of right side board 31-3; Left side block 35 be provided with the place ahead connect towards the guide groove 35-1 on a left side with towards the registration mast 35-3 on the right side, registration mast 35-3 has the centre hole 35-4 towards the right side; Right block 36 is provided with the guide groove 36-1 towards the right side that connects with the place ahead; Touch part erecting frame 37 is arranged on the pedestal 31, be positioned at the below of pedestal 31 and be fixed together with gear erecting frame 33.

See Figure 11 and Figure 12, leader block parts 2 has left guide block assembly 21 and right guide block assembly 25; The left guide block 22 of the left guide block assembly 21 of leader block parts 2 is a moulding, the left side board 31-1 that this left side guide block 22 is fixed on the pedestal 31 of base assembly 3 goes up and is positioned at the bottom of this left side board 31-1, the right guide block 26 of right guide block assembly 25 be a moulding, and this right side guide block 26 is fixed on the right side board 31-3 of pedestal 31 of base assembly 3 and is positioned at the bottom of this right side board 31-3; Right guide block assembly 25 also has 2 stage clips 27 and 2 steel balls 28; Right guide block 26 be provided with about 2 to through hole 26-1, the diameter of the right nose end of these 2 through hole 26-1 is less than the diameter of left hole section; Be provided with 1 steel ball 28 and 1 stage clip 27 by from outside to inside order among each through hole 26-1 of right guide block 26, stage clip 27 is compressed, and the inner of stage clip 27 contacts with the right side board 31-3 of pedestal 31, the outer end contacts with steel ball 28, and the part spheroid of steel ball 28 exposes from the right-hand member of the through hole 26-1 of right guide block 26.See Fig. 6, left side guide block assembly 21 is arranged in the left rail 131 of support component 1, can slides with respect to left rail 131 front and back, right guide block assembly 25 is arranged in the right guide rail 132 of support component 1, can slide and the right-hand member exposed portions serve spheroid and right guide rail 132 Elastic Contact from the through hole 26-1 of right guide block 26 of steel ball 28 with respect to right guide rail 132 front and back, thereby make the front and back sliding block joint of base assembly 3, and make base assembly 3 between the upper plate 11-2 and guide rail of the support 11 of support component 1 by formation two-side elastic contact between leader block parts 2 and the support 11.

See Fig. 9 and Figure 10, the hinge component 6 of movable parts has left hinge 61, left-hand rotation moving part 62, link span 63, right hinge 64 and right-hand rotation moving part 65; Left side hinge 61, left-hand rotation moving part 62, link span 63, right hinge 64 and right-hand rotation moving part 65 are steelwork.Display screen component 7 has LCDs 71, screen and cover 72, carries on the back and cover 73 and connecting panel 74; LCDs 71 is an outsourcing piece; Screen cover 72, carry on the back cover 73 and connecting panel 74 be moulding.The left hinge 61 of hinge component 6 and right hinge 64 are separately fixed at the left side and the right side of link span 63; Left-hand rotation moving part 62 is resiliently clamped on the left hinge 61 and can has resistance to rotate with respect to left hinge 61; Right-hand rotation moving part 65 is resiliently clamped on the right hinge 64 and can has resistance to rotate with respect to right hinge 64.Display screen component 7 makes screen cover 72 by screw and connecting panel 74 and covers 73 and captive joint and constitute casing with carrying on the back; The width L1 of this casing is 174 millimeters.LCDs 71 is provided with and is fixed in the casing of display screen component 7; The link span 63 of hinge component 6 covers on 72 by back of the body lid 73 and the screen that its adapter plate 63-2 is fixed on display screen component 7; The left-hand rotation moving part 62 of hinge component 6 is captiveed joint with the anterior fishplate bar 31-4 of the pedestal 31 of base assembly 3 with right-hand rotation moving part 65, thereby display screen component 7 is rotationally connected by hinge component 6 and base assembly 3.When display screen component 7 is in when keeping flat the position, display screen component 7 is between the upper plate 11-2 and guide rail of the support 11 of support component 1, and the corresponding site of the left surface of display screen component 7 is positioned at the top of each left side fixed leg 151 and is close with the left side board 11-1 of support 11, and the corresponding site of the right flank of display screen component 7 is positioned at the top of right side fixed leg 152 and is close with the right side board 11-3 of support 11.

See Fig. 6 and Fig. 6-1, the screen of display screen component 7 lid 72 and the back of the body covers 73 when constituting casing, be provided with in the both sides of casing screen cover 72 and the back of the body cover between 73 and the left side guide groove 75 rear perforation and with the right side guide groove 76 of rear perforation; When movable parts was in the handover reference position, left side cylindricality block piece 161 was arranged in the left side guide groove 75 of the casing of display screen component 7, and right side cylindricality block piece 162 is arranged in the right side guide groove 76 of the casing of display screen component 7; When movable parts is in the handover final position, left side cylindricality block piece 161 is arranged in the guide groove 35-1 of left block 35 and contacts or be close with the cell wall 35-2 forward of the guide groove 35-1 of left block 35, and right side cylindricality block piece 162 is arranged in the guide groove 36-1 of right block 36 and contacts or be close with the cell wall 36-2 forward of the guide groove 36-1 of right block 36.

See Figure 11 and Fig. 13, the transmission device 4 of movable parts is arranged on the base assembly 3, and transmission device 4 has motor 41, worm screw 42, worm-gear toothing assembly 43, first dual gear 44, second dual gear 45 and the 3rd dual gear 46.Motor 41 is fixed on the motor erecting frame 32; Worm-gear toothing assembly 43 is rotationally connected with the worm-wheel shaft 430 that is fixed on the motor erecting frame 32, and a collar 439 is stuck in worm-wheel shaft 430 lower ends and makes worm-gear toothing assembly 43 limited in the axial direction; First dual gear 44 is rotationally connected with first gear wheel shaft 440 on the middle part seat board 31-2 that is fixed on pedestal 31, and a collar 449 is stuck in first gear wheel shaft, 440 lower ends and makes first dual gear 44 limited in the axial direction; Second dual gear 45 be fixed on that second gear wheel shaft 450 on the gear erecting frame 33 is rotationally connected and the upper end of this second gear wheel shaft 450 is stretched among the middle part seat board 31-2 knock hole 31-2-1 of pedestal 31; The 3rd dual gear 46 is rotationally connected with the 3rd gear wheel shaft 460 that is fixed on the gear erecting frame 33, and a collar 469 is stuck in the 3rd gear wheel shaft 460 lower ends and makes the 3rd dual gear limited in the axial direction.Worm screw 42 is fixed on the motor shaft of motor 41, and worm screw 42 is meshed with the superposed worm gear 434 of worm-gear toothing assembly 43, the gear that is positioned at the bottom 432 of worm-gear toothing assembly 43 is meshed with the big gear wheel that is positioned at the bottom of first dual gear 44, the superposed miniature gears of first dual gear 44 is meshed with the big gear wheel that is positioned at the bottom of second dual gear 45, the superposed miniature gears of second dual gear 45 is meshed with the big gear wheel 46-1 that is positioned at the bottom of the 3rd dual gear 46, and the superposed miniature gears 46-2 of the 3rd dual gear 46 is as the power output gear of transmission device 4 and be meshed with the 142-1 of driving cog portion of right tooth bar 142; The big gear wheel 46-1 that is positioned at the bottom of the 3rd dual gear 46 blocks the big gear wheel that is positioned at the bottom of second dual gear 45 from the top.

See Figure 14, the worm gear 434 of the worm-gear toothing assembly 43 of transmission device 4 has lower cavity and upper chamber, and the gear 432 of worm-gear toothing assembly 43 is the gears that have pallet; Worm-gear toothing assembly 43 also has joint pin 431, annular arrangement felt 433, lower gasket 435, stage clip 436, Upper gasket 437 and spring washer 438 except that having gear 432 and turbine 434.Joint pin 431 passes gear 432, annular arrangement felt 433, worm gear 434, lower gasket 435, stage clip 436 and Upper gasket 437 from the bottom to top successively, be stuck in by spring washer 438 on the draw-in groove of joint pin 431 upper ends, and gear 432, annular arrangement felt 433, worm gear 434, lower gasket 435, stage clip 436 and Upper gasket 437 are connected in turn, and make stage clip 436 be in confined state, and formed the assembly set of rotating torque restricted type; Lower gasket 435 wherein, stage clip 436 and Upper gasket 437 are arranged in the upper chamber of worm gear 434, felt 433 is clamped between the end face down of lower cavity of the upper surface of pallet of gear 432 and worm gear 434 and has formed a sliding friction pair between the pallet of gear 432 and felt 433, thereby makes worm-gear toothing assembly 43 become a rotating torque killer.Worm-wheel shaft 430 passes from the centre hole of joint pin 431.In use; if worm-gear toothing assembly 43 at the gear 432 of bottom when suffered rotary resistance is greater than the pallet of gear 432 and the static friction force between the felt 433 during in transferring power; then produce skidding, help protection the transmission device 4 that comprises motor 41.

See Fig. 6, Figure 11 and Figure 13, the synchronizer gear 5 of movable parts has left side transition gear 51, left side synchronizer gear 52, synchronizing bar 53, right side synchronizer gear 54, right side transition gear 55 and locating bush 56; Left side synchronizer gear 52 is tightly fixed at the left end of synchronizing bar 53; Right side synchronizer gear 54 is tightly fixed at the right-hand member of synchronizing bar 53; The left end head of synchronizing bar 53 stretches among the centre hole 35-4 of registration mast 35-3 of left block 35 and can rotate with respect to registration mast 35-3, locating bush 56 is enclosed within on the right-hand member head of synchronizing bar 53 and synchronizing bar 53 can rotate with respect to locating bush 56, locating bush 56 stretches among the knock hole 31-6 of right side board 31-3 of pedestal 31 and can rotate with respect to right side board 31-3, thereby synchronizing bar 53 can rotate with respect to base assembly 3.Left side transition gear 51 is rotationally connected with transition gear axle 510 on the left side board 31-1 that is fixed on pedestal 31, and a collar 519 is stuck in the right-hand member of transition gear axle 510 and makes left side transition gear 51 limited in the axial direction; Right side transition gear 55 is rotationally connected with transition gear axle 550 on the right side board 31-3 that is fixed on pedestal 31, and a collar 559 is stuck in the left end of transition gear axle 550 and makes right side transition gear 55 limited in the axial direction; Right side transition gear 55 is meshed with the synchronous tooth 142-2 of portion that is directed downwards of right tooth bar 142, simultaneously also be fixed on synchronizing bar 53 on right side synchronizer gear 54 be meshed, the left side synchronizer gear 52 that is fixed on the synchronizing bar 53 is meshed with left side transition gear 51, and left side transition gear 51 also is meshed with the synchronous tooth portion that is directed downwards of left tooth bar 141 simultaneously.

See Figure 11 and Figure 13, the transmitting place detection piece 80 of movable parts has rotary resistance sensor 81, rotary resistance sensor 81 has sensor gear 82 and a part of turning cylinder 81-1 that stretches out sensor outer housing, and sensor gear 82 is fixed on the external end head of turning cylinder 81-1; The rotary resistance sensor 81 of transmitting place detection piece 80 is fixed on the sensor stand 34 by its shell, and sensor gear 82 is meshed with left side transition gear 51.

See Fig. 1 to Fig. 5 and Figure 11, the rotation detection touch part 83 of movable parts has switch and touches part 831 and reed 832; One end of reed 832 is fixed on the touch part erecting frame 37, and the other end touches part 831 with switch captives joint, and the switch contact 831-1 that touches part 831 is positioned at the contact pocket 37-1 place of touch part erecting frame 37.When display screen component 7 is in Fig. 1 to shown in Figure 4 when keeping flat the position, the contact 831-1 that switch touches part 831 overcomes the elastic force of reed 832 and is in position by contact pocket 37-1 indentation touch part erecting frame 37 under the effect of the screen lid 72 of display screen component 7; When display screen component 7 is in play position shown in Figure 5, then the switch contact 831-1 that touches part 831 breaks away from the screen of display screen component 7 and covers 72 contact, under the effect of reed 832, the contact 831-1 that switch touches part 831 is stretched out forward by the contact pocket 37-1 of touch part erecting frame 37, and near the plate body the contact pocket 37-1 of the front end face of its substrate 831-2 and touch part erecting frame 37 contacts.

Before mechanical part of the present utility model uses, need to be equipped with accordingly the circuit that vision signal and control signal are handled, first circuit card wherein is set in the support 11 of support component 1, and this circuit card is provided with port, remote signal acceptor circuit, micro controller system and the power input mouth that carries out communication with video disc player or other audio ﹠ video equipment; Second circuit card 84 that is electrically connected with first circuit card is set on the pedestal 31 of movable parts, this circuit card 84 is provided with button switch 85, to touch the part at contact 831-1 place of part 831 corresponding with the switch that is positioned at that rotates the reed 832 that detects touch part 83 for the button of the button switch 85 on second circuit card 84, also is provided with motor-drive circuit and circuit for controlling motor on second circuit card 84.The 3rd circuit card that is electrically connected with second circuit card 84 is set in the shell of display screen component 7, and this circuit card is a hardboard.Be fixed with face frame assembly on support 11 and bottom 12 formed support boxes, the face deckle board of face frame assembly is provided with button and tuning control dial, is provided with in the face deckle board of face frame assembly and each button and the corresponding key control circuit plate of tuning control dial; The key control circuit plate is provided with the remote signal transmission circuit, and this remote signal transmission circuit can carry out communication with the remote signal acceptor circuit that is arranged on first circuit card and the control that realizes audio-video signal is play in use.After carrying out above-mentioned the setting, then constitute vehicle-carried video display device with mechanical part of the present utility model.Below be the working process that example explanation has the vehicle-carried video display device of mechanical part of the present utility model with the suction-type video disc player.

See Figure 15 and Figure 16, when having the vehicle-carried video display device use of mechanical part of the present utility model, circuit in video disc player and the vehicle-carried video display device is powered on, and then the microprocessor in the video disc player makes video disc player be in readiness for action after having moved boot program.This moment, then the disk loading device of video disc player was with in the optic disk inhalation machine and be in state to be played after the optic disk of video disc player inserts mouthful insertion optic disk.When the operator use a teleswitch or the face deckle board on button send out the box order after, this remote signal is emitted to first circuit card that is arranged in support 11, is received by wherein remote signal acceptor circuit; The remote signal acceptor circuit is delivered to micro controller system with received play signal, and micro controller system outputs control signals to the circuit for controlling motor that is positioned at second circuit card 84 on the pedestal 31 through after judging from corresponding I/O mouth; Under the control of circuit for controlling motor, by motor-drive circuit to motor 41 power supply of transmission device 4 and make it left-hand revolution.Left-hand revolution along with motor 41, worm screw 42 is left-hand revolution also, worm-gear toothing assembly 43 left-hand revolutions (are observed by direction from bottom to top, down together), first dual gear, 44 clickwises, second dual gear, 45 left-hand revolutions, the 3rd dual gear 46 clickwises, and the miniature gears 46-2 that is positioned at the top that makes the 3rd dual gear 46 reaches the 142-1 of driving cog portion with the right tooth bar 142 of its ingear with power, thus make the 3rd dual gear 46 along the 142-1 of driving cog portion of right tooth bar 142 by after travel forward; The 3rd dual gear 46 by after when travelling forward, apply proal application force by the 3rd gear wheel shaft 460,33 pairs of pedestals 31 of gear erecting frame successively; Under the effect of this application force, the movable parts that pedestal 31 is formed together with the parts that are arranged on the pedestal 31 from after travel forward, by the left guide block 22 of captiveing joint and right guide block 26 with pedestal 31 respectively along corresponding guide rail to front slide, and make movable parts move to handover final position shown in Figure 4 by handover reference position shown in Figure 3.

Move in the process of transferring final position by transferring reference position at movable parts, because of the left side transition gear 51 that is arranged on the synchronizer gear 5 on the pedestal 31 with the right side transition gear 55 that also is meshed, is arranged on the synchronizer gear 5 on the pedestal 31 with left side synchronizer gear 52 when the synchronous tooth 141-2 of portion of left tooth bar 141 is meshed with also being meshed when the synchronous tooth 142-2 of portion is meshed of right tooth bar 142 with right side synchronizer gear 54.Pedestal 31 with respect to support 11 by after in forward the motion, left side transition gear 51 that is meshed with tooth bar on the support 11 and right side transition gear 55 in company with pedestal 31 together by after travel forward, thereby produced rotation, then can drive with corresponding two synchronizer gears of its ingear---left side synchronizer gear 52 and right side synchronizer gear 54 rotate simultaneously with respect to tooth bar; Rotate in the time of left side synchronizer gear 52 and right side synchronizer gear 54, help increasing movable parts and going out the box motion and advancing stationarity in the box motion.

The rotation of left side transition gear 51 is also just rotated with its ingear sensor gear 82, the rotation of sensor gear 82 then makes the resistance of rotary resistance sensor 81 change, rotary resistance sensor 81 with the signal output of its change in resistance to analog to digital conversion circuit, the signal of analog to digital conversion circuit output is then transported to the micro controller system of first control circuit on the circuit card, and micro controller system determines that according to the signal of different resistances movable parts is in the position on the support component 1.

Transfer reference position or between handover reference position and handover final position, do front and back in the process of motion when movable parts is in respect to support component 1, the LCDs 71 of display screen component 7 is in and keeps flat the position, thereby its screen covers 72 and contacts with the contact 831-1 that switch touches part 831 all the time, rotate to detect touch part 83 reed 832 be positioned at part that switch touches part 831 places then be arranged on second circuit board 84 on the button of button switch 85 contact, thereby make button switch 85 be in conducting state.Only be under the state of conducting at button switch 85, turnover box button on remote controller or the face deckle board just can be in state of activation, and the read-out turnover box button of pressing this moment on remote controller or the face deckle board can make the motor 41 of transmission device 4 do the rotation of respective direction by the circuit for controlling motor on second circuit card 84.When movable parts is in the handover final position, can act on the display screen component 7 by external force, make LCDs 71 keep flat rotated position to the play position of holding up shown in Figure 5 by shown in Figure 4.At this moment, the contacting of contact 831-1 that screen cover 72 disengagings and switch touches part 831, under the effect of reed 832, the contact 831-1 that switch touches part 831 is stretched out forward by the contact pocket 37-1 of touch part erecting frame 37, and near the plate body the front end face of its substrate 831-2 and the contact pocket 37-1 of touch part erecting frame 37 contacts, the aft end face disengaging of the reed 832 of rotation detection touch part 83 contacts with the button of button switch 85, thereby make button switch 85 be in off-state, and the signal that button switch 85 is in off-state also is delivered to control circuit by corresponding circuit.Only be under the open circuited state, on remote controller or the face deckle board button of control corresponding carried out in the broadcast of optic disk at button switch 85, as broadcast, F.F., rewind down, stop, button such as time-out just is in state of activation.

Be in the handover final position that moves to shown in Figure 5 at movable parts, and when LCDs 71 is in the state of play position, if the operator is after pressing the broadcast button on remote controller or the face deckle board, then the program of optic disk is play in the operation of the microprocessor of video disc player, and from the audio-video signal mouth of video disc player output audio-video signal to vehicle-carried video display device, sound signal is through transporting to the acoustical equipment that is arranged on the vehicle after the relevant processing of circuit on the first circuit board, after vision signal is then passed through relevant processing of circuit on the second circuit board, displaying video picture through the relevant processing of circuit of tertiary circuit plate and on LCDs 71 again.

After the broadcast optic disk finishes, can pull the casing of display screen component 7 with staff, make it turn to the position that keeps flat shown in Figure 4 by the play position of holding up shown in Figure 5, and the screen lid 72 and the switch that make the casing of display screen component 7 touch the contact 831-1 Elastic Contact of part 831, and then the reed 832 that rotate to detect touch part 83 is contacted with the button of button switch 85 and button switch 85 is changed to by off-state be in conducting state, the read-out that press on remote controller or the face deckle board this moment advances the box button, can make motor 41 clickwises by the circuit for controlling motor on the second circuit board 84, in box, move and drive movable parts.Along with the motion of movable parts in box, when the number of turns that the sensor gear 82 driven rotary formula resistance sensors 81 of transmitting place detection piece 80 rotate arrives setting value, system judges that movable parts has been in the handover reference position, and make the circuit for controlling motor on the second circuit board 84 that motor 41 is stopped operating, thereby the box that advances of having finished movable parts moves.

Claims (10)

1, a kind of mechanical part of built-in vehicle video display devices has support component (1) and movable parts; Support component (1) has support (11), bottom (12), guide rail and tooth bar; Guide rail comprises left rail (131) and right guide rail (132); Bottom (12) is fixed on the lower end that support (11) were gone up and be positioned to support (11); Tooth bar is fixed on the lower surface of upper plate (11-2) of support (11); Movable parts has leader block parts (2), base assembly (3), transmission device (4) and display screen component (7); Leader block parts (2) comprises left guide block assembly (21) and right guide block assembly (25); Left side guide block assembly (21) is arranged in the left rail (131) of support component (1), and can be with respect to sliding before and after the left rail (131); Right guide block assembly (25) is arranged in the right guide rail (132) of support component (1), and can be with respect to sliding before and after the right guide rail (132); Transmission device (4) is arranged on the base assembly (3), and the power output gear (46-2) of transmission device (4) is meshed with the tooth bar of support component (1); It is characterized in that: support component (1) also has left side fixed leg (151) and right side fixed leg (152); Movable parts also has hinge component (6); Display screen component (7) is rotationally connected by hinge component (6) and base assembly (3); The middle part of above-below direction is gone up and be positioned to the left side board (11-1) that the left rail (131) of support component (1) is fixed on support (11) by 2 to 5 left side fixed legs (151), and it is last and be positioned at the middle part of above-below direction that right guide rail (132) is fixed on the right side board (11-3) of support (11) by 2 to 5 right side fixed legs (152); The bottom of this left side board (31-1) is gone up and be positioned to the left side board (31-1) that the left guide block (22) of the left guide block assembly (21) of leader block parts (2) is fixed on the pedestal (31) of base assembly (3), the bottom of this right side board (31-3) is gone up and be positioned to the right side board (31-3) that the right guide block (26) of right guide block assembly (25) is fixed on the pedestal (31) of base assembly (3), and make base assembly (3), and base assembly (3) is positioned between the upper plate (11-2) and guide rail of support (11) of support component (1) by sliding block joint before and after leader block parts (2) and the support (11); When display screen component (7) is in when keeping flat the position, display screen component (7) is positioned between the upper plate (11-2) and guide rail of support (11) of support component (1), and the corresponding site of the left surface of display screen component (7) is positioned at the top of each left side fixed leg (151) and directly relative with the left side board (11-1) of support (11), and the corresponding site of the right flank of display screen component (7) is positioned at the top of each right side fixed leg (152) and direct relative with the right side board (11-3) of support (11).

2, the mechanical part of built-in vehicle video display devices according to claim 1 is characterized in that: the right guide block assembly (25) of leader block parts (2) also has 2 stage clips (27) and 2 steel balls (28); Right guide block (26) be provided with about 2 to through hole (26-1), the diameter of the right nose end of these 2 through holes (26-1) is less than the diameter of left hole section; Be provided with 1 steel ball (28) and 1 stage clip (27) by from outside to inside order in each through hole (26-1) of right guide block (26), stage clip (27) is compressed, and the inner of stage clip (27) contacts with the right side board (31-3) of pedestal (31), the outer end contacts with steel ball (28), the part spheroid of steel ball (28) from the right-hand member of the through hole (26-1) of right guide block (26) expose and with right guide rail (132) Elastic Contact.

3, the mechanical part of built-in vehicle video display devices according to claim 1 is characterized in that: the hinge component of movable parts (6) has left hinge (61), left-hand rotation moving part (62), link span (63), right hinge (64) and right-hand rotation moving part (65); Display screen component (7) has LCDs (71), screen lid (72) He Beigai (73); The left hinge (61) of hinge component (6) and right hinge (64) are separately fixed at the left side and the right side of link span (63); Left-hand rotation moving part (62) is resiliently clamped on the left hinge (61) and can has resistance to rotate with respect to left hinge (61); Right-hand rotation moving part (65) is resiliently clamped on the right hinge (64) and can has resistance to rotate with respect to right hinge (64); The screen of display screen component (7) lid (72) and the back of the body cover (73) captives joint and constitutes casing; LCDs (71) is provided with and is fixed in the casing that screen lid (72) He Beigai (73) formed; The link span (63) of hinge component (6) is fixed on back of the body lid (73) He Pinggai (72) of display screen component (7) by its adapter plate (63-2); The left-hand rotation moving part (62) of hinge component (6) is captiveed joint with the anterior fishplate bar (31-4) of the pedestal (31) of base assembly (3) with right-hand rotation moving part (65).

4, the mechanical part of built-in vehicle video display devices according to claim 3 is characterized in that: support component (1) also has left side cylindricality block piece (161) and right side cylindricality block piece (162); The left side cylindricality block piece (161) of support component (1) is fixed on the left side board (11-1) of support (11) and goes up, is positioned at the top front end of left side board (11-1) and towards support, and right side cylindricality block piece (162) is fixed on the right side board (11-3) of support (11) and goes up, is positioned at the top front end of right side board (11-3) and towards support; Base assembly (3) also has left block (35) and right block (36); Left side block (35) is fixed on the left side of left side board (31-1) of pedestal (31) and is positioned at the top of left side board (31-1), and right block (36) is fixed on the right side of right side board (31-3) of pedestal (31) and is positioned at the top of right side board (31-3); Left side block (35) is provided with the guide groove towards a left side (35-1) that connects with the place ahead, and right block (36) is provided with the guide groove towards the right side (36-1) that connects with the place ahead; The screen of display screen component (7) lid (72) He Beigai (73) is provided with in the both sides of casing and is positioned at left side guide groove (75) that connects with the rear between screen lid (72) He Beigai (73) and the right side guide groove (76) that connects with the rear when constituting casing; When movable parts was in the handover reference position, left side cylindricality block piece (161) was arranged in the left side guide groove (75) of the casing of display screen component (7), and right side cylindricality block piece (162) is arranged in the right side guide groove (76) of the casing of display screen component (7); When movable parts is in the handover final position, left side cylindricality block piece (161) is arranged in the guide groove (35-1) of left block (35) and contacts or be close with the cell wall forward (35-2) of the guide groove (35-1) of left block (35), and right side cylindricality block piece (162) is arranged in the guide groove (36-1) of right block (36) and contacts or be close with the cell wall forward (36-2) of the guide groove (36-1) of right block (36).

5, the mechanical part of built-in vehicle video display devices according to claim 1 is characterized in that: the tooth bar of support component (1) comprises right tooth bar (142); Right tooth bar (142) is positioned at the right part of the upper plate (11-2) of support (11), and right tooth bar (142) has direction driving cog portion (142-1) left; Base assembly (3) also has motor erecting frame (32) and gear erecting frame (33); Motor erecting frame (32) is fixed on the lower surface of middle part seat board (31-2) of pedestal (31) and is positioned at the right part front side of middle part seat board (31-2), and gear erecting frame (33) is fixed on the lower surface of middle part seat board (31-2) of pedestal (31) and is positioned at the right part rear side of middle part seat board (31-2); Transmission device (4) has motor (41), worm screw (42), worm-gear toothing assembly (43), first dual gear (44), second dual gear (45) and the 3rd dual gear (46); Motor (41) is fixed on the motor erecting frame (32); Worm-gear toothing assembly (43) is rotationally connected with the worm-wheel shaft (430) that is fixed on the motor erecting frame (32), and a collar (439) is stuck in worm-wheel shaft (430) lower end and makes worm-gear toothing assembly (43) limited in the axial direction; First dual gear (44) is rotationally connected with first gear wheel shaft (440) that is fixed on the middle part seat board (31-2) of pedestal (31), and a collar (449) is stuck in first gear wheel shaft (440) lower end and makes first dual gear (44) limited in the axial direction; Second dual gear (45) be fixed on that second gear wheel shaft (450) on the gear erecting frame (33) is rotationally connected and the upper end of this second gear wheel shaft (450) is stretched in the knock hole (31-2-1) of middle part seat board (31-2) of pedestal (31); The 3rd dual gear (46) is rotationally connected with the 3rd gear wheel shaft (460) that is fixed on the gear erecting frame (33), and a collar (469) is stuck in the 3rd gear wheel shaft (460) lower end and makes the 3rd dual gear (46) limited in the axial direction; Worm screw (42) is fixed on the motor shaft of motor (41), and worm screw (42) is meshed with the superposed worm gear (434) of worm-gear toothing assembly (43), the gear that is positioned at the bottom (432) of worm-gear toothing assembly (43) is meshed with the big gear wheel that is positioned at the bottom of first dual gear (44), the superposed miniature gears of first dual gear (44) is meshed with the big gear wheel that is positioned at the bottom of second dual gear (45), the superposed miniature gears of second dual gear (45) is meshed with the big gear wheel that is positioned at the bottom (46-1) of the 3rd dual gear (46), and the superposed miniature gears (46-2) of the 3rd dual gear (46) is as the power output gear of transmission device (4) and be meshed with the driving cog portion (142-1) of right tooth bar (142); The big gear wheel that is positioned at the bottom (46-1) of the 3rd dual gear (46) is blocked the big gear wheel that is positioned at the bottom of second dual gear (45) from the top.

6, the mechanical part of built-in vehicle video display devices according to claim 5, it is characterized in that: the worm gear (434) of the worm-gear toothing assembly (43) of transmission device (4) has lower cavity and upper chamber, and the gear (432) of worm-gear toothing assembly (43) is the gear that has pallet; Worm-gear toothing assembly (43) also has joint pin (431), annular arrangement felt (433), lower gasket (435), stage clip (436), Upper gasket (437) and spring washer (438); Joint pin (431) passes gear (432), annular arrangement felt (433), worm gear (434), lower gasket (435), stage clip (436) and Upper gasket (437) from the bottom to top successively, be stuck in by spring washer (438) on the draw-in groove of joint pin (431) upper end, and gear (432), annular arrangement felt (433), worm gear (434), lower gasket (435), stage clip (436) and Upper gasket (437) are connected in turn, and make stage clip (436) be in confined state, and formed the assembly set of rotating torque restricted type; Lower gasket wherein (435), stage clip (436) and Upper gasket (437) are arranged in the upper chamber of worm gear (434), felt (433) is clamped between the end face down of lower cavity of the upper surface of pallet of gear (432) and worm gear (434) and has formed a sliding friction pair between the pallet of gear (432) and felt (433), thereby makes worm-gear toothing assembly (43) become a rotating torque killer; Worm-wheel shaft (430) passes from the centre hole of joint pin (431).

7, the mechanical part of built-in vehicle video display devices according to claim 5 is characterized in that: the tooth bar of support component (1) also comprises left tooth bar (141); Left side tooth bar (141) is positioned at the left part of the upper plate (11-2) of support (11), and left tooth bar (141) has the synchronous tooth portion (141-2) that is directed downwards; Right tooth bar (142) also has the synchronous tooth portion (142-2) that is directed downwards; The left block (35) of base assembly (3) also is provided with the registration mast (35-3) towards the right side, and registration mast (35-3) has the centre hole (35-4) towards the right side; The left side board (31-1) of pedestal (31) is provided with gap (31-5) backwards, the right side board (31-3) of pedestal (31) is provided with knock hole (31-6), and the registration mast (35-3) of left block (35) is arranged in the gap (31-5) of left side board (31-1) of pedestal (31); Movable parts also has synchronizer gear (5); Synchronizer gear (5) has left side transition gear (51), left side synchronizer gear (52), synchronizing bar (53), right side synchronizer gear (54), right side transition gear (55) and locating bush (56); Left side synchronizer gear (52) is tightly fixed at the left end of synchronizing bar (53); Right side synchronizer gear (54) is tightly fixed at the right-hand member of synchronizing bar (53); The left end head of synchronizing bar (53) stretches in the centre hole (35-4) of registration mast (35-3) of left block (35) and can rotate with respect to registration mast (35-3), locating bush (56) is enclosed within on the right-hand member head of synchronizing bar (53) and synchronizing bar (53) can rotate with respect to locating bush (56), locating bush (56) stretches in the knock hole (31-6) of right side board (31-3) of pedestal (31) and can rotate with respect to right side board (31-3), thereby synchronizing bar (53) can rotate with respect to base assembly (3); Left side transition gear (51) is rotationally connected with the transition gear axle (510) that is fixed on the left side board (31-1) of pedestal (31), and a collar (519) is stuck in the right-hand member of transition gear axle (510) and makes left side transition gear (51) limited in the axial direction; Right side transition gear (55) is rotationally connected with the transition gear axle (550) that is fixed on the right side board (31-3) of pedestal (31), and a collar (559) is stuck in the left end of transition gear axle (550) and makes right side transition gear (55) limited in the axial direction; Right side transition gear (55) is meshed with the synchronous tooth portion (142-2) that is directed downwards of right tooth bar (142), simultaneously also be fixed on synchronizing bar (53) on right side synchronizer gear (54) be meshed, the left side synchronizer gear (52) that is fixed on the synchronizing bar (53) is meshed with left side transition gear (51), and left side transition gear (51) also is meshed with the synchronous tooth portion (141-2) that is directed downwards of left tooth bar (141) simultaneously.

8, the mechanical part of built-in vehicle video display devices according to claim 7 is characterized in that: movable parts also has transmitting place detection piece (80); Transmitting place detection piece (80) has rotary resistance sensor (81), rotary resistance sensor (81) has sensor gear (82) and a part of turning cylinder (81-1) that stretches out sensor outer housing, and sensor gear (82) is fixed on the external end head of turning cylinder (81-1); Base assembly (3) also has sensor stand (34), and sensor stand (34) is fixed on the lower surface of middle part seat board (31-2) of pedestal (31) and is positioned at the left back portion of middle part seat board (31-2); The rotary resistance sensor (81) of transmitting place detection piece (80) is fixed on the sensor stand (34) by its shell, and sensor gear (82) is meshed with left side transition gear (51).

9, the mechanical part of built-in vehicle video display devices according to claim 1 is characterized in that: the left rail (131) of support component (1) is identical with right guide rail (132) residing height in support (11).

10, the mechanical part of built-in vehicle video display devices according to claim 3 is characterized in that: the width L1 of the casing of display screen component (7) is 170 to 175 millimeters.

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