Summary of the invention
The latch mechanism and a kind of vehicle-mounted flat computer bracket that comprises the latch mechanism of this sequence of control actions that the object of this invention is to provide a kind of sequence of control actions, thereby the complex structure of electric or hydraulic type sequence of movement control gear in solution prior art, manufacture cost is high, maintenance cost is high, the risk of machinery misoperation is higher defect also, and vehicle-mounted flat computer bracket blocks pilot's line of vision in prior art, reading angle is uncomfortable, dismounting inconvenience and the defect that cannot take in.
In order to solve the problems of the technologies described above, the present invention by the following technical solutions:
A kind of latch mechanism of sequence of control actions is provided, and described latch mechanism comprises: the pedestal that is provided with the first order guide rail of vertical extension; Be installed on pedestal and the raising platform moving along this first order guide rail; The fish great wheel being symmetrically arranged on raising platform, dead bolt, push rod, and in the central position of raising platform, arrange join and be incorporated in movably jack shaft of vertical direction with described fish great wheel; Wherein, fish great wheel is fixed on described raising platform and can be rotated around this bearing pin by the bearing pin of a longitudinal extension, in this fish great wheel, towards a side of jack shaft, have the first auxiliary section coordinating with the first engagement portion on jack shaft, the side away from described jack shaft in this fish great wheel has the lock tongue slot coordinating with dead bolt; Dead bolt runs through latch bolt spring along chute horizontal-extending on raising platform, one end of described dead bolt coordinates with the lock tongue slot in described fish great wheel by a protuberance, the other end is placed in the limited step on described raising platform, when raising platform rises to the position that limited step is overlapped with lock-tongue hole on pedestal, dead bolt stretches out under the effect of latch bolt spring from lock-tongue hole; Push rod runs through push rod spring and extends between the rear of described fish great wheel and pedestal and raising platform, this push rod coordinates at vertical direction with the second auxiliary section extending back in fish great wheel by second engagement portion of extending forward, and this push rod coordinates with the stop part on pedestal by upwardly extending contact head.
When raising platform rises, push rod spring generation compressive deformation, the second engagement portion on push rod coordinates with the second auxiliary section in fish great wheel, the rotation of restriction fish great wheel, the first auxiliary section in this macrura reevesii great wheel coordinates with the first engagement portion on jack shaft, makes the relative raising platform of jack shaft static; When raising platform rising puts in place, contact head on push rod contacts with the stop part on pedestal, push rod spring generation compressive deformation, the relative raising platform of push rod moves downward, the second auxiliary section release in the second engagement portion on push rod and fish great wheel, dead bolt translation laterally under the elastic force effect of latch bolt spring, dead bolt inserts in lock-tongue hole corresponding on pedestal, the relative pedestal of raising platform is static, fish great wheel rotates under the drive of dead bolt, the first engagement portion release of the first auxiliary section in fish great wheel and jack shaft, jack shaft moves upward.
When moving downward, jack shaft puts in place, the first engagement portion on jack shaft coordinates with the first auxiliary section in fish great wheel, drive the rotation of fish great wheel, dead bolt is translation to the inside under the pulling of lock tongue slot, lock-tongue hole on dead bolt and pedestal is separated, raising platform position locking is removed, raising platform moves downward, contact head on push rod and the stop part on pedestal are separated, push rod relative raising platform under the effect of push rod spring moves upward, the second engagement portion on push rod coordinates with the second auxiliary section in fish great wheel, the rotation of restriction fish great wheel, guarantee that the relative raising platform of jack shaft is static.
Preferably, the first engagement portion on described jack shaft is tooth bar, and the first auxiliary section in described fish great wheel is gear.
Preferably, the second engagement portion on described push rod is outer sawtooth, and the second auxiliary section in described fish great wheel is interior sawtooth.
Preferably, the lock tongue slot in described fish great wheel is U-shaped fluting, the horizontal handle that the protuberance coordinating with lock tongue slot on described dead bolt is longitudinal extension.
Between push rod and push rod spring, cover has packing ring.
A kind of vehicle-mounted flat computer bracket that comprises the latch mechanism of sequence of control actions as above is provided.
Described vehicle-mounted flat computer bracket also comprises cam path deflection mechanism; Wherein, this cam path deflection mechanism comprises: the upper bracket and the undersetting that run through successively from top to bottom described jack shaft, on the peripheral part of described jack shaft, being provided with along its length upper end is that straight-line lower end is the continuous cam path of helix, described upper bracket is respectively equipped with mouse tooth disk on the surface relative with undersetting, the modulus of the tooth of described mouse tooth disk increases gradually by center to outer, on the inwall of the center hole that this upper bracket and undersetting are run through by jack shaft, be also respectively equipped with a hemisphere hole, the relative raising platform of undersetting maintains static; Be arranged at the upper steel ball in the hemisphere hole of upper bracket, on this, second half of steel ball is arranged in the cam path of jack shaft, and is arranged at the lower steel ball in the hemisphere hole of undersetting, and second half of this lower steel ball is arranged in the cam path of jack shaft.
The deflection angle of the helix of the cam path on jack shaft is the integral multiple of the adjacent teeth angle of the mouse tooth disk on upper bracket or undersetting.
Described vehicle-mounted flat computer bracket also comprises slidercrank mechanism; Wherein, this slidercrank mechanism comprises: the T shape plate being connected with the top of jack shaft, and the T shape portion of this T shape plate is positioned at the one end away from jack shaft; Left-hand rotation arm and right-hand rotation arm that centered by the jack shaft that connects and T shape plate, axisymmetric is arranged, the upper and lower end of this left-hand rotation arm and right-hand rotation arm is connected to the both sides of T shape portion of T shape plate and the both sides of upper bracket; And relative T shape plate supporting plate slidably, the back side of this supporting plate has the second level guide rail sliding for T shape plate; Wherein, the front end of this left-hand rotation arm and right-hand rotation arm also has and has contact with, and the hook of installing with the both sides of supporting plate respectively coordinates.
When left and right pivoted arm is when upper bracket rotates, the relative jack shaft of upper bracket vertically moves, and then the T shape plate arm that rotates is rotated, the hook on supporting plate with on pivoted arm, have contact with disengaging/be connected, only realize the unlocking/locking of the second level guide rail on supporting plate.
Described vehicle-mounted flat computer bracket also comprises friction hinge mechanism, and wherein ,Gai friction hinge mechanism comprises: the crossbeam being connected with supporting plate by slide block, and this crossbeam has a cavity longitudinally running through; The hinge axis that T shape plate is connected with crossbeam, this hinge axis has the base part coordinating with the T-slot at the top of T shape plate and stretches into the axial region in the cavity on crossbeam, the peripheral part of this axial region is surrounded by friction plate and tinsel successively, and be bolted, by adjusting the moment of torsion of bolt, realize the adjusting to the friction torque between friction plate and hinge axis.
The bottom of described crossbeam also comprises hoodle hole, and the top of T shape plate has ball race, in this ball race, hoodle is installed, the hoodle hole drive fit on this hoodle and crossbeam.
The bottom of raising platform is provided with the collision block that the projection on the base plate with pedestal coordinates; The middle part of raising platform is also provided with wind spring mandrel, on this wind spring mandrel, wind spring is installed, and the other end of wind spring is connected with the top of pedestal, and when collision block and projection release, this wind spring provides the power of raising platform along the first order guide rail upward sliding on pedestal.
Four corners of described supporting plate are separately installed with for clamping the elastic card claw of panel computer.
The latch mechanism of sequence of control actions provided by the invention, utilizes the interaction of left fish great wheel, right fish great wheel, dead bolt, push rod, latch bolt spring, push rod spring and jack shaft, can effectively control the sequence of motion of raising platform and jack shaft.During unlatching, when the first action piece moves when not in place, it is static that the second action piece and the first movement parts keep, and when the first action piece motion puts in place, the first action piece position locking, just allows relative the first action piece of the second action piece to move; While closing, only when the second action piece, get back to specified position, the first action piece position locking could be removed, and the first action piece could setting in motion, simultaneously relative the first action piece position locking of the second action piece.Thereby effectively overcome the risk of mechanical part misoperation, simultaneously simple in structure, steering force is little, and noise is low, long service life.
The vehicle-mounted flat computer bracket that comprises the latch mechanism of above-mentioned sequence of control actions provided by the invention, also comprises cam path deflection mechanism, slidercrank mechanism and friction hinge mechanism; By cam path deflection mechanism, make the relative undersetting of upper bracket around tilt fixing of Z axis deflection, make the long limit of panel computer vertical with passenger's sight line, overcome the augular offset of user and this supporting position; And then by slidercrank mechanism, the rotary movement of supporting plate is carried out to locking or release, realize sequence of movement and control; The relative T shape of the friction hinge winding machine supporting plate plate also consisting of hinge axis, friction plate and tinsel hovers at any angle along Y-axis, and has good operating handle.Whole vehicle-mounted flat computer bracket is easy to operate, one hand can complete the operation to support, by wind spring power-assisted, coordinate damping and friction hinge mechanism, operate comfortable, move smooth and easy, coherent, open and close all and can in 5 seconds, complete, this support can make panel computer in the most comfortable use position and angle, and integral support structural rigidity is good, make this support not only can be used for online and appreciate video display, can also be for mobile office.Finish using, panel computer can be collected in interior facing with this support, does not affect the attractive in appearance of interior trim.
Accompanying drawing explanation
Fig. 1 is the part decomposing schematic representation in left side of the latch mechanism of the sequence of control actions in the present invention;
Fig. 2 is the latch mechanism exploded view of the sequence of control actions in the present invention;
Fig. 3 is the opening state structural drawing of the latch mechanism of the sequence of control actions in the present invention;
Fig. 4 is that the A-A of Fig. 3 is to generalized section;
Fig. 5 is the closed condition structural drawing of the latch mechanism of the sequence of control actions in the present invention;
Fig. 6 is that the B-B of Fig. 5 is to generalized section;
Fig. 7 is the raising platform Facad structure schematic diagram in the present invention;
Fig. 8 is the raising platform structure schematic diagram in the present invention;
Fig. 9 is the raising platform accessory structure schematic diagram in the present invention;
Figure 10 is pedestal to be fitted together and the baseplate internal structure schematic diagram in the present invention;
Figure 11 is the cam path deflection mechanism exploded view in the present invention;
Figure 12 is the cam path deflection mechanism structural drawing in the present invention;
Figure 13 is that the C-C of Figure 12 is to generalized section;
Figure 14 is the friction hinge mechanism element decomposing schematic representation in the present invention;
Figure 15 is the friction hinge mechanism structure figure in the present invention;
Figure 16 is that the D-D of Figure 15 is to generalized section;
Figure 17 is the exploded view of the vehicle-mounted flat computer bracket in the present invention;
Figure 18 is the plan view of the vehicle-mounted flat computer bracket in the present invention;
Figure 19 is that the E-E of Figure 18 is to generalized section;
Figure 20 is that the F-F of Figure 18 is to generalized section;
Figure 21 is the original state schematic diagram of the vehicle-mounted flat computer bracket in the present invention;
Figure 22 is the first step operation chart of the vehicle-mounted flat computer bracket in the present invention;
Figure 23 is the second step operation chart of the vehicle-mounted flat computer bracket in the present invention;
Figure 24 is the 3rd step operation chart of the vehicle-mounted flat computer bracket in the present invention;
Figure 25 is the FOUR EASY STEPS schematic diagram of the vehicle-mounted flat computer bracket in the present invention;
Figure 26 is the use state design sketch that is positioned at auxiliary fasia console position of the vehicle-mounted flat computer bracket in the present invention.
Wherein, the implication of main reference character is as follows:
1 lift 2. Intermediate shaft 3 left head round 4. Right head round 5 base 6 left ejector 7. Right ejector 8 left tongue 9. Right bolt 10. Left latch spring 11 Right latch spring 12. left left head pin fixed wheel 13. Right Right head pin fixed wheel 14. covers 15 left washer 16. Right washer 17. left jack spring 18. right parietal lever spring 19. floor 20. left bumps 21. Right bumps 22. left maze tower 23. Right maze tower 24. damping 25. damper mounting plate 26. coil spring 27. coil spring mandrel 28. left first class rail under 29. right first class rail 30. bearing 31. carrier 32. next ball 33. 34.T the ball-shaped plate 35. turning left arm 36. Turn right arm 37. fixed turn left arm and the cradle the pin 38. Turn right arm and the fixed bearing pin 39. pin T-shaped plate fixed to the intermediate shaft 40. plunger 41. beam 42. hinge shaft 43. friction disc 44 metal sheet 45. lock nut 46. left hook 47. and right hooks 48 left second stage rails 49. right second class rail 50. pallet 51. left resilient pawl 52. right resilient pawls 53. upper left resilient pawl 54. upper right resilient pawl 55. handle 101 left chute 102. Right chute 103. lifts the left limit level104. Lifts the right limit level 105. Left hit the block 106. Right hit the block 107. Lifts the back left hole 108. Lifts the back of the right hole 201. Left gear 202. Right tooth 203. Cam slot 301. Left a gear wheel on the head portion 302. tongue groove on the left wheel head 303. serrated left wheel head 401. head gear wheel on the right portion 402. tongue groove on the right wheel head 403 . the serrated wheel 501 and right on the head. left block 502. the right to block 503. left bolt hole 504. Right bolt hole 505. hanging point for the coil spring 506. lifts the back of the gear 601. left contact plunger head 602. serrated left mandrel 701. Right plunger head 702 contacts. Right outside serrated ejector 801. horizontal bolt shank 802 left left left tongue of 901 steps.'s the right bolt horizontal handle 902. Right bolt right step 3001. hemisphere bearing on the next hole 3002. 3003. bearing down on top of the next Hirth ended bit holder 3101. hemisphere holes on the stand 3102. bearing on the bottom the Hirth 3401.T shaped groove 3402. pachinko slot 4102. marbles hole 3501 turn left hook arm front end 3601., turn right hook arm front end 5001. bit left boss ended 5002. right position ended. boss.
Embodiment
Below in conjunction with Fig. 1 to Figure 26, provide preferred embodiment of the present invention, and be described in detail, enable to understand better function of the present invention, feature.
Shown in Fig. 1-Figure 10, be the latch mechanism of a kind of sequence of control actions of a preferred embodiment provided by the invention, this latch mechanism comprises: raising platform 1, jack shaft 2, left fish great wheel 3, right fish great wheel 4, pedestal 5, left push rod 6, right push rod 7, left dead bolt 8, right dead bolt 9, left latch bolt spring 10, right latch bolt spring 11, left bearing pin 12, right bearing pin 13, cover plate 14, left packing ring 15, right packing ring 16 and left push rod spring 17, right push rod spring 18.Described raising platform 1 front is provided with left chute 101 and the right rail 102 extending along the substantially horizontal of raising platform 1, this left and right chute outside is also provided with left limit step 103 and right limit step 104, described jack shaft 2 is provided with two teeth, be respectively left tooth 201 and right tooth 202, when jack shaft 2 moves up and down, can drive the left fish great wheel 3 and the right fish great wheel 4 that are engaged with to rotate.Because this mechanism is symmetrical mechanism, principle is identical, and therefore following content is only described the right mechanism.Described right fish great wheel 4 is provided with the first auxiliary section, be preferably gear part 401, and lock tongue slot 402 and the second auxiliary section, be preferably interior sawtooth 403, when this gear part 401 meshes with the upper right tooth 202 of jack shaft 2, can limit the motion of jack shaft 2 relative raising platforms 1, described push rod 7 tops are provided with contact head 701; Described dead bolt 9 is provided with horizontal handle 901 and right step 902, this lock tongue slot 402 matches with the horizontal handle 901 on dead bolt 9, when right fish great wheel 4 is when bearing pin 13 rotates, can drive right dead bolt 9 along chute 102 horizontal motions on raising platform 1, and the interior sawtooth 403 at described right fish great wheel 4 back sides matches with the outer sawtooth 702 on push rod 7, in the time of the interlock of two-part sawtooth, can limit right fish great wheel 4 around the rotation of axle 13; The top of described pedestal 5 is provided with two stop parts, be respectively left stop part 501 and right stop part 502, when this left and right stop part puts in place for rising when raising platform, the relative raising platform 1 of contact head 701 that triggers push rod top moves downward, left and right dead bolt inserts in the lock-tongue hole on pedestal under the effect of latch bolt spring power, raising platform locking, jack shaft release, and the bi-side of described pedestal 5 are also provided with two lock-tongue holes, be respectively left lock-tongue hole 503 and right lock-tongue hole 504; Described spring has four, is Compress Spring, and wherein right latch bolt spring 11 coordinates right dead bolt 9 to use, and provides right dead bolt 9 overhanging elastic force; Right push rod spring 18 coordinates right push rod 7 to use, and the upwards elastic force of jack-up of right push rod 7 is provided; Described right bearing pin 13 provides rotary middle spindle for right fish great wheel 4; Described packing ring 16 coordinates right push rod spring 18 to use, and prevents that right push rod 7 from deviating from from the right hole 108 at raising platform 1 back.Wherein, the concrete assembly process of this packing ring is as follows: first by push rod spring and gasket sleeve on push rod, packing ring is arrived to the limit by spring-compressed, again three is tiltedly filled in the right hole 108 at raising platform 1 back together from the bottom up, unclamp hand, packing ring is pushed down in raising platform gasket seat in the effect of spring force, can prevent that push rod from deviating from from the right hole 108 at raising platform top.Described cover plate 14 provides protective action for the part of installing in raising platform 1.
Shown in Fig. 2-Fig. 7, this preferred embodiment can sequence of control actions the working procedure following (this mechanism is symmetrical structure, only take right half part as example, and left-half in like manner) of latch mechanism:
Referring to Fig. 3 and Fig. 4, when described raising platform 1 rises, right push rod spring 18 is upwards withstood right push rod 7, the outer sawtooth 702 of the side of right push rod 7 and the 403 phase interlocks of the interior sawtooth of right fish great wheel 4, right fish great wheel 4 can not be rotated around right bearing pin 13, the gear part 401 of right fish great wheel 4 is meshed with the right tooth 202 of central shaft 2, be equivalent to pinion and rack, central shaft 2 is static with respect to right fish great wheel 4, the horizontal handle 901 of right dead bolt 9 is subject to the restriction of the lock tongue slot 402 of right fish great wheel 4 simultaneously, right dead bolt 9 is limited in chute completely, can not be protruding, guarantee in raising platform 1 uphill process, right dead bolt 9 can not swiped with pedestal 5, right dead bolt 9 long service life.Referring to Fig. 5 and Fig. 6, when raising platform 1 rises to limit position, the contact head 701 of right push rod 7 comes in contact with the right stop part 502 on pedestal 5, right push rod 7 stop motions, raising platform 1 continues to rise, the interior sawtooth 403 of the right fish great wheel 4 that raising platform 1 is installed departs from the outer sawtooth 702 of push rod 7, now right fish great wheel 4 is rotated restriction cancellation, the right step 902 that right latch bolt spring 11 promotes right dead bolt 9 outwards moves, until the opposite side of the right step 902 of right dead bolt 9 and the right limit step 104 of raising platform 1 contact, now the right step 902 of right dead bolt 9 inserts in the right lock-tongue hole 504 of pedestal 5, by the locking position of raising platform 1 relative pedestal 5, right fish great wheel 4, under the drive of the horizontal handle 901 of right dead bolt 9, rotates along clockwise direction simultaneously, and right fish great wheel 4 gear part 401 depart from the right tooth 202 of jack shaft 2, the restriction cancellation of jack shaft 2, and jack shaft 2 relatively raising platform 1 moves.Thereby realized in raising platform 1 movement process, the relative raising platform 1 of jack shaft 2 is static; Raising platform 1 motion puts in place, and raising platform 1 relative pedestal 5 positions automatically lock, jack shaft 2 raising platform 1 motion relatively.
Referring to Fig. 5-Fig. 6, described jack shaft 2 moves downward with respect to raising platform 1, the right tooth 202 of jack shaft 2 is meshed with the gear part 401 in right fish great wheel 4, drive right fish great wheel 4 to rotate counterclockwise around right bearing pin 13, the lock tongue slot 402 of right fish great wheel 4 pulls the horizontal handle 901 of right dead bolt 9 inwardly to move, and when jack shaft 2 motions put in place, right dead bolt 9 tapered ends leave the right lock-tongue hole 504 of pedestal 5, raising platform 1 locking position is removed, raising platform 1 pedestal 5 motions relatively; Referring to Fig. 3-Fig. 4, when the relative pedestal 5 of raising platform 1 declines a segment distance, the contact head 701 of right push rod 7 departs from the right stop part 502 on pedestal 5, right push rod 7 is under the elastic force effect of right push rod spring 18, raising platform 1 moves upward relatively, the outer sawtooth 702 of right push rod 7 and the 403 phase interlocks of the interior sawtooth of right fish great wheel 4, having limited right fish great wheel 4 rotates around right bearing pin 13, the gear part 401 of right fish great wheel 4 and the right tooth 202 of central shaft 2 are meshed simultaneously, central shaft 2 is static with respect to right fish great wheel 4, and central shaft 2 is static with respect to raising platform 1.Thereby realized jack shaft 2 motions, put in place, raising platform 1 locking position is removed, raising platform 1 pedestal 5 motions relatively, and in raising platform 1 movement process, jack shaft 2 is with respect to the locking position of raising platform 1.
According to a preferred embodiment of the present invention, described left push rod 6, right push rod 7, left dead bolt 8 and right dead bolt 9 are not limited in and utilize Compress Spring to reset, and can also be to utilize other elastic elements such as butterfly spring or leaf spring to substitute.
According to a preferred embodiment of the present invention, the first described movement parts raising platform 1 and the moving direction of the second movement parts jack shaft 2 are not limited only to above-below direction, can be also substantially horizontals, can also move along space curve direction.Described latch mechanism is not limited to 2 grades of motions, can also be nested this mechanism and with the multistage motion of the similar mechanism of principle.Should be appreciated that this set belongs to ordinary skill in the art means, therefore repeat no more.
The present invention also provides a kind of vehicle-mounted flat computer bracket that comprises the latch mechanism of above-mentioned sequence of control actions, and this support also comprises cam path deflection mechanism, slidercrank mechanism and friction hinge mechanism.
As shown in Figure 11-13 and Figure 20, be the cam path deflection mechanism of a preferred embodiment provided by the invention, this mechanism can control the relative upper bracket of jack shaft, undersetting is done straight-line deflection and the reset that simultaneously realizes the relative undersetting of upper bracket, to realize vehicle-mounted flat computer around the rotation of vehicle coordinate axle Z axis, make the long limit of panel computer vertical with passenger's sight line, overcome the augular offset of user and this supporting position.This mechanism comprises: jack shaft 2, undersetting 30, upper bracket 31, lower steel ball 32 and upper steel ball 33, described jack shaft 2 is also provided with a cam path 203, upper end is straight line, and lower end is helix, and jack shaft 2 passes (Figure 11) in upper bracket 31 and undersetting 30 center holes; On described undersetting 30 center hole walls, there is a hemisphere hole 3001, top has mouse tooth disk 3002, this mouse tooth disk 3002 is the tooth of aplysia punctata, this tooth module is increased gradually by center to outer that (" modulus " refers to tooth pitch p between adjacent two gear teeth homonymy flank profils and the ratio of pi, modulus is larger, and the gear teeth are higher also thicker); On the hole wall of described upper bracket center, have a hemisphere hole 3101, bottom has mouse tooth disk 3102, and this mouse tooth disk 3102 is the tooth of aplysia punctata, and this tooth module is increased gradually by center to outer; Half is positioned at central shaft 2 cam paths 203 described lower steel ball 32, and second half is arranged in undersetting 30 hemisphere holes 3001; Half is positioned at the cam path 203 of central shaft 2 described upper steel ball 33, and second half is arranged in the hemisphere hole 3101 of upper bracket 31.
The opening process of this cam path deflection mechanism is as follows: lower steel ball 32 is located in cam path 203 straightways, undersetting 30 maintains static, when described jack shaft 2, upper bracket 31 move up to lower steel ball 32 and enter jack shaft 2 lower end cam path 2.3 helical segment with respect to undersetting 30 and lower steel ball 32 together with upper steel ball 33, upper steel ball 33 plays the certain angle of steel ball 32 deflections relatively, and this angle is the integral multiple of the mouse tooth disk 3102 of upper bracket 31 bottoms or the mouse tooth disk 3002 adjacent teeth angles at undersetting 30 tops.The deflection angle of the relative undersetting of upper bracket is mainly to be determined by jack shaft cam path helical segment spiral angle, its value equals the integral multiple of the adjacent teeth angle of the mouse tooth disk 3102 of upper bracket 31 bottoms and the mouse tooth disk 3002 at undersetting 30 tops, it can be 1 times, 2 times or 3 times, for example the jack shaft cam path helical segment spiral angle in this example is 8 °, the mouse tooth disk 3102 of upper bracket 31 bottoms and the top mouse tooth disk of undersetting 30 3002 adjacent teeth angles are also 8 °, 8 ° of now relative undersetting 30 deflections of upper bracket 31; Then the relative undersetting 30 of jack shaft 2 is static, upper bracket 31 undersetting 30 relative to upper steel ball 33 moves downward, until the mouse tooth disk 3102 of upper bracket 31 bottoms and 3002 engagements of the mouse tooth disk part at undersetting 30 tops accurately maintain the deflection angle of upper bracket 31 relative undersettings 30.
The closing process of this cam path deflection mechanism is as follows: described upper bracket 31 and upper steel ball 33 are with respect to undersetting 30 and lower steel ball 32 segment distance that moves upward, the mouse tooth disk 3102 of upper bracket 31 bottoms is separated with the mouse tooth disk 3002 at undersetting 30 tops, then described jack shaft 2, upper bracket 31 moves downward with respect to undersetting 30 and lower steel ball 32 together with upper steel ball 33, until departing from jack shaft 2 lower end cam path 203 spiral sections, lower steel ball 32 enters straightway, lower steel ball 32 is gone up the above-mentioned angle of steel ball 33 reverse deflection relatively, it is the above-mentioned angle of the relative undersetting 30 reverse deflection of upper bracket 31, upper bracket 31 resets, then described jack shaft 2, upper bracket 31 moves downward with respect to undersetting 30 and lower steel ball 32 together with upper steel ball 33, until the mouse tooth disk 3102 of upper bracket 31 bottoms meshes again with the mouse tooth disk 3002 at undersetting top.
According to another preferred embodiment of the invention, cam path 203 quantity that described jack shaft 2 has are not limited to one, can also be many, can be also a plurality of with respect to the hemisphere hole 3101 of undersetting 30 hemisphere holes 3001, upper bracket 31 and lower steel ball 32, upper steel ball 33 quantity.Principle is the same with single cam path, prior art also has many cam paths, but not containing upper bracket and upper steel ball, just realize the deflection of the relative undersetting of jack shaft, the relative undersetting of jack shaft has axial displacement, but in the application after the relative undersetting deflection of upper bracket, axial position is constant, in conjunction with above-mentioned mouse tooth disk, use, can bear larger torsional moment, deflection angle is also more accurate.
As shown in Fig. 7-9 and Figure 19-20, the back side of described raising platform is provided with left collision block 105 and right collision block 106, be used for matching with left projection 20, the right projection 21 installed on base plate 19, this left projection 20 and right projection 21 are arranged on respectively in 22 left labyrinth towers and 23 right labyrinth towers, realize raising platform and press locking and press-started at bottom position; The centre of described raising platform 1 is provided with wind spring mandrel 28, on described wind spring mandrel 28, wind spring 27 is installed, described wind spring 27 the other ends are arranged on described pedestal 5 hanging points 505, the common Placement of this hanging point is to be spirally connected or clamping, be described wind spring by being spirally connected or clamping is arranged on pedestal 5, the power that provides described raising platform 1 and connected part to rise; The damping 24 with gear 506 is also equipped with at described raising platform 1 back side, and described damping 24 matches with the tooth bar 506 on described pedestal 5, thereby realizes the steady rising of described raising platform 1 and connected part.
As shown in Figure 14-16, the T-slot 3401 of described T shape plate 34 is for installing hinge axis 42, described hinge axis 42 front ends match with friction plate 43, described friction plate 43 outer wrap tinsels 44, described tinsel 44 is arranged in crossbeam 41 cavitys 4101 by bolt, by adjusting the moment of torsion of bolt, can regulate the friction torque between friction plate 43 and hinge axis 42, described crossbeam 41 is arranged on left second level guide rail 48 and right second level guide rail 49 slide blocks, this slide block is for the slip at left second level guide rail 48 and right second level guide rail 49, described left second level guide rail 48 and right second level guide rail 49 are arranged on supporting plate 50 bottoms, by described hinge axis 42, the friction hinge that friction plate 43 forms with tinsel 44 can be realized the relative T shape of supporting plate 50 plate 34 and hover at any angle along Y-axis, and there is good operating handle.Crossbeam 41 plays T shape plate and left second level guide rail 48 and right second level guide rail 49 slide blocks and the effect that friction plate 43 and tinsel 44 are installed of connecting.
According to a preferred embodiment of the present invention, referring to Figure 14, described T shape plate 34 front ends are also provided with ball race 3402, hoodle 40 is wherein installed, coordinates with the hoodle hole 4102 on described crossbeam 41, when support is closed, can realize the accurate location of supporting plate 50 relative T shape plate 34 angles, when hoodle is encountered hoodle hole, hoodle is pushed down into hoodle hole in the effect of spring force, needs to use larger steering force hoodle could be skidded off from hoodle hole, thereby realizes stop bit feel.
As shown in Figure 21-24, left-hand rotation arm 35, right-hand rotation arm 36 are also installed in described upper bracket 31 both sides, left-hand rotation arm 35 is arranged on T shape plate 34 upper ends with right-hand rotation arm 36 the other ends, T shape plate lower end 34 is connected with jack shaft 2, the common formation slidercrank mechanism of described upper bracket 31, left-hand rotation arm 35, right-hand rotation arm 36, T shape plate 34 and jack shaft 2, wherein upper bracket 31 is slide block, jack shaft 2 is frame, T shape plate 34 is crank, and left-hand rotation arm 35 and right-hand rotation arm 36 are connecting rod.Described left-hand rotation arm 35 pivoted arm front ends have and have contact with 3501, described right-hand rotation arm 36 pivoted arm front ends have and have contact with 3601, above-mentioned having contact with respectively matches with left hook 46 and the right hook 47 installed on supporting plate 50, during unlatching: described left-hand rotation arm 35 and right-hand rotation arm 36 are when upper bracket 31 turns clockwise, the relative jack shaft 2 of upper bracket 31 moves downward, described T shape plate 34 turns clockwise around left-hand rotation arm 35 and right-hand rotation arm 36, on described left hook 46 and left-hand rotation arm 35, have contact with 3501 disengagings, on described right hook 47 and right-hand rotation arm 36, have contact with 3601 disengagings, the left second level guide rail 48 being connected with described crossbeam 41, the slide block of right second level guide rail 49 can slide along guide rail, described left second level guide rail 48, guide rail 49 releases of the right second level, while closing: described left-hand rotation arm 35 and right-hand rotation arm 36 are when upper bracket 31 is rotated counterclockwise, the relative jack shaft 2 of upper bracket 31 moves upward, described T shape plate 34 is rotated counterclockwise around left-hand rotation arm 35 and right-hand rotation arm 36, on described left hook 46 and left-hand rotation arm 35, have contact with 3501 overlap joints, on described right hook 47 and left-hand rotation arm 36, have contact with 3601 overlap joints, described left second level guide rail 48, right second level guide rail 49 lockings.When this slidercrank mechanism is opened, also form a tripod, utilized leg-of-mutton stability, improved the rigidity of support.
Shown in Figure 21-26, the working procedure of vehicle-mounted flat computer bracket of the present invention is as follows:
Passenger is by the downward squeeze grip 55 of hand, left projection 20,21 releases of right projection of on the left collision block 105 at the described raising platform back side and right collision block 106 and base plate 19, installing, raising platform 1 rises along described left first order guide rail 28, right first order guide rail 29 under wind spring 27 elastic force effects.With reference to figure 5-6 and Figure 22, when raising platform 1 rises to while approaching pedestal 5 top, the contact head 601 of described left push rod 6 comes in contact with the left stop part 501 on pedestal 5, the contact head 701 of right push rod 7 comes in contact with the right stop part 502 on pedestal 5, the latch mechanism effect of described control action, raising platform 1 locking position.
With reference to figure 11-13 and Figure 22, lower half portion of the intermediate hole of described undersetting 30 is waist shaped hole, allow the jack shaft 2 left teeth 201 in lower end, right tooth 202 passes through, upper half part is circular port, the left tooth 201 that can stop jack shaft 2 lower ends, right tooth 202 passes through, the boss of waist shaped hole and circular port boundary forms undersetting stop bit 3003, passenger continues upper handle 55 with hand, described jack shaft 2, upper bracket 31 moves upward with respect to undersetting 30 and lower steel ball 32 together with upper steel ball 33, until the left tooth 201 on described jack shaft 2 and right tooth 202 are encountered undersetting stop bit 3003.Subsequently with hand-motion handle 55 upset to the right, upper bracket 31 undersetting 30 relative to upper steel ball 33 moves downward, until the mouse tooth disk 3102 of upper bracket 31 bottoms and 3002 engagements of the mouse tooth disk at undersetting 30 tops, the effect of described cam path deflection mechanism, the relative undersetting 30 deflection set angles of upper bracket 31; Described left-hand rotation arm 35 and right-hand rotation arm 36 are when upper bracket 31 turns clockwise simultaneously, described slidercrank mechanism effect, the relative jack shaft 2 of upper bracket 31 moves downward, described T shape plate 34 turns clockwise around left-hand rotation arm 35 and right-hand rotation arm 36, on described left hook 46 and left-hand rotation arm 35, have contact with 3501 disengagings, described left second level guide rail 48, guide rail 49 releases of the right second level.
With reference to Figure 21 and Figure 23, passenger is then by hand pull handle 55 to the right, supporting plate 50 is along with left second level guide rail 48 and right second level guide rail 49 move right together, until left second level guide rail 48 slide blocks and right second level guide rail 49 slide blocks respectively with supporting plate 50 on left stop bit boss 5001 and right stop bit boss 5002 come in contact, supporting plate 50 slides and puts in place.
With reference to figure 11-13 and Figure 25, last passenger holds handle 55 rotating pallets 50, and the crossbeam 41 of supporting plate 50 bottoms also rotates thereupon, the effect of described friction hinge mechanism, supporting plate 50 relatively T shape plate 34 hovers at any angle, makes panel computer have the use angle of the most comfortable, and opening process finishes.Otherwise closing process.
Four corners in described supporting plate 50 fronts are separately installed with elastic card claw 51,52,53,54, and to lay easily or to take off panel computer, clamping is firm simultaneously.
With reference to Figure 26, vehicle-mounted flat computer bracket provided by the invention can be arranged on the auxiliary fasia console (CNSL) of automobile, other position of rear middle handrail and seat side, this support is easy to operate, one hand can complete support is operated, there is wind spring power-assisted, coordinate damping and friction hinge mechanism, operate comfortable, move smooth and easy, coherent, open and close all and can in 5 seconds, complete, and this support can make panel computer in the most comfortable use position and angle, this supporting structure rigidity is good, make this support and panel computer not only can surf the Net and appreciate video display, can also be for mobile office.Finish using, panel computer can be collected in interior facing with this support, does not affect the attractive in appearance of interior trim.
Above-described, be only preferred embodiment of the present invention, not in order to limit scope of the present invention, the above embodiment of the present invention can also make a variety of changes.Be that simple, the equivalence that every claims according to the present patent application and description are done changes and modify, all fall into the claim protection domain of patent of the present invention.The present invention not detailed description be routine techniques content.