CN2559018Y

CN2559018Y - Adjusting device provided for optic engine fixing

Info

Publication number: CN2559018Y
Application number: CN 02239432
Authority: CN
Inventors: 魏浩展; 柯耀宗; 侯雅捷
Original assignee: DAYI SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: Prokia Tech Co Ltd
Priority date: 2002-06-14
Filing date: 2002-06-14
Publication date: 2003-07-02
Anticipated expiration: 2012-06-14

Abstract

The utility model relates to an adjusting device for fixing an optical engine. The optical engine is provided with a horizontal main body, and a central lens vertically fixed on the main body upward, and the central lens is provided with a focused luminous point. The adjusting device comprises a base seat, a first horizontal moving seat, a first pivoting swinging seat, a second horizontal moving seat, a second pivoting swinging seat and a third horizontal moving seat assembled on the side of the base seat, and a third pivoting swinging seat used for fixing the optical engine. The first, second and third horizontal moving seats respectively make horizontal moving adjustment in the front and back direction, the up-down direction and the left and right direction relative to the first pivoting swinging seat and the second pivoting swinging seat, and the first, second and third pivoting swinging seats respectively make rotation-swing adjustment taking the straight lines extended from the front and back direction, the up-down direction and the left and right direction by the focused luminous point of the central lens as the axle relative to the first, second and third horizontal moving seats, leading the position where the optical engine is located to obtain polydirectional horizontal moving and rotation-swing adjustment effects.

Description

For the fixing adjusting gear of light engine

(1) technical field

The utility model relates to a kind of adjusting gear, particularly relates to a kind of being used for and fixes for light engine, and can change the adjusting gear of camera lens projecting direction and position on the light engine.

(2) background technology

General projection display apparatus is with the difference of appellative function, the adjustment mode of the light engine that install its inside is difference to some extent just, as be generally used in light engine in the back projection TV in when assembling, because the picture that the camera lens institute projection of light engine is gone out can be correct superimposed on screen, the design that adds light engine has many lens design often, and by many camera lenses respectively the different color light that goes out of projection synthesize colored image, make that the adjustment of its projecting direction and position is more complicated, therefore about design for the fixing adjusting gear of light engine, just can not only provide unidirectional adjustment function, and must have than multidirectional and can not interact when adjusting, the adjustment operation in the time of just making production and assembly is more convenient.

(3) utility model content

The purpose of this utility model is to provide a kind of and fixes for light engine, and the adjusting gear of light engine projecting direction and position is independently adjusted on energy multidirectional ground.

Adjusting gear of the present utility model is used for fixing for a light engine, and described light engine has the body of a level, and a center camera lens that uprightly is fixed on up on this body, and described center camera lens has a central axis by one focusing luminous point; It is characterized in that, comprising of this adjusting gear a: pedestal and be assembled in pedestal other one first translating base, one first pivot swing seat, one second translating base, one second pivot swing seat, one the 3rd translating base in regular turn, and the 3rd a pivot swing seat that is used for fixing described light engine; This first translating base is to be assembled on this pedestal movably forward and backward; This first pivot swing seat has a upright pendulum plate and by a side of this pendulum plate first pin plate towards this first translating base direction projection; But this first pin plate is a pivot pendulum to be assembled on this first translating base with adjusting, and is to be spool to adjust toward front and back to the straight line that extends by the focusing luminous point of described center camera lens around one during the pivot pendulum; Second translating base has a upright translation plates, and this translation plates is can adjust secured in parallel with displacement up and down in dorsad on the side of this first translating base of this pendulum plate; But this second pivot swing seat have upright second pin plate and on the parallel translation plates that is assembled in this second translating base in swing location ground by a side of this second pin plate toward a horizontal base plate away from this first translating base direction projection, and be to be that axle adjusts during this second pin plate swing around a straight line that extends toward left and right directions by the focusing luminous point of described center camera lens; The 3rd translating base has the translation plates of a level, this translation plates be can about adjust on the parallel horizontal base plate that is assembled in this second pivot swing seat in ground, location; But the 3rd pivot swing seat has level the 3rd pin plate on the parallel translation plates that is assembled in the 3rd translating base in swing adjustment ground, the 3rd pin plate is that the body that is used for for described light engine is fixed on it, and is that central axis with described center camera lens serves as that axle adjusts during the 3rd pin plate swing.

For further specifying the purpose of this utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.

(4) description of drawings

Fig. 1 is a front perspective view of a preferred embodiment of the utility model adjusting gear.

Fig. 2 is the right parallax stereogram of this embodiment.

Fig. 3 be this embodiment for a light engine the left parallax stereogram fixedly the time.

Fig. 4 is the three-dimensional exploded view of this embodiment, and a pedestal wherein is removed;

Fig. 5 is the not complete three-dimensional combination figure of this embodiment, and the state when the assembling of one first pivot swing seat is finished is described.

Fig. 6 one is similar to the view of Fig. 5, and the state when the assembling of one second translating base is finished is described.

Fig. 7 one is similar to the view of Fig. 5, and the state when the assembling of one second pivot swing seat is finished is described.

Fig. 8 one is similar to the view of Fig. 5, and the state when the assembling of one the 3rd translating base is finished is described.

(5) embodiment

As Fig. 1, Fig. 2 and shown in Figure 3, one embodiment of the utility model adjusting gear is used for fixing on it for a light engine 1, described light engine 1 has the body 11 of a level, a plurality of uprightly being fixed on up is used for projection and goes out the camera lens 12 of different color light image on this body 11,13,14, making this camera lens is to be that line spread (is the center camera lens to call this camera lens 13 in the following text) is made at the center with this camera lens 13, and center camera lens 13 has a central axis 131 that extends and focus on by one luminous point up and down, that is to say, central axis 131 be one by the focusing luminous point of described center camera lens 13 toward upper and lower to the straight line that extends.

Adjusting gear of the present utility model includes: a pedestal 2, can be assembled in first translating base 3, on this pedestal 2 movably forward and backward and pivotally be assembled in the 3rd translating base 7 that the first other pivot swing seat 4 of this first translating base 3, can be adjusted displacement with respect to second translating base 5 of these first pivot swing seat, 4 upper and lower displacements, the second pivot swing seat 6 that can adjust with respect to this second translating base, 5 pivots pendulum, about on this second pivot swing seat 6, and one can be on the 3rd translating base 7 turn displacement and be used for fixing the 3rd pivot swing seat 8 of described light engine 1.The operational scenario of integrated adjustment roughly is by translation that different directions is provided between adjacent in twos pedestal in regular turn and swing adjustment, makes described light engine 1 can obtain the adjustment effect of multidirectional.

Following direction explanation is to be benchmark with Fig. 1.

This pedestal 2 has the upright upper frame 21 that extends front and back and a horizontal underframe 22 of being turned left and being extended by a root edge of this upper frame 21, and this upper frame 21 has two parallel up and down interval rail bars 211.

Cooperate shown in Figure 4, this first translating base 3 have a seat body 31, two that roughly is rectangular frame shaped be separately fixed at the end face of this seat body 31 and bottom surface and can before and after be assembled in the slide plate 32 of these two rail bars, 211 forward surfaces with adjusting, reach by turn left an one on the other suspension bracket 33 and the pivot of projection of a middle position of this seat body 31 and shelve 34.The suspension bracket body 330 and one that this suspension bracket 33 has a level is installed in the upright lifting screw 331 on the right part of this suspension bracket body 330, this lifting screw 331 is up projections and is bolted in this seat body 31 upper ends, when rotating this lifting screw 331 toward different directions, but 330 upper and lower displacements of interlock suspension bracket body.This pivot is shelved the arc intercalation piece 340 that the 34 pivot loads 341 and with two front and back spaced and parallel can corresponding be plugged on 341 of this two pivots loads, offer corresponding first arcuate socket 342 on this two pivots load 341, this intercalation piece 340 is correspondence to be plugged on 342 of this 2 first arcuate sockets, and making this intercalation piece 340 is that axle make arcuation extend toward front and back to the straight line that extends by the focusing luminous point of described center camera lens 13 around one.

By Fig. 4 and Fig. 5 as seen, this first pivot swing seat 4 is positioned at this first translating base, 3 left sides, have a upright pendulum plate 41, be used for this first pin plate 42 is positioned quick detach assembly 44 on this first translating base 3 towards upright first pin plate 42 of these first translating base, 3 direction projections and two leveling boards 43, by a right flank of this pendulum plate 41, and a suspension rod 45 that is used for a leveling board 43 wherein is lifted on these suspension bracket 33 belows.This two leveling board 43 is to be the state that is parallel to each other up and down, and this first pin plate 42 is erectly to be positioned at 43 of this two leveling boards.This suspension rod 45 has the tiny upper end that the bottom and of an oblate shape is up extended by this bottom, be after up passing a lifting hole(eyelet) 431 of this leveling board 43 that is positioned at the top with its upper end during assembling, utilize a shank 46 to be hubbed on the suspension bracket body 330 of this suspension bracket 33, before first pin plate 42 is not positioned, can support a bottom surface by the bottom of suspension rod 45 in this leveling board 43, and leveling board 43 is suspended to suspension bracket 33 belows, as long as turn the lifting screw 331 of suspension bracket 33 this moment, just can be via the whole first pivot swing seat, the 4 pivots pendulum of suspension bracket body 330 interlocks, and the first pivot swing seat, 4 pivots when pendulum, must utilize its first pin plate 42 to cooperate aforementioned pivot to shelve 34 intercalation piece 340 and guide, continue bright as follows.

This first pin plate 42 has one second arcuate socket 421, the length that designs last second arcuate socket 421 is shelved 34 first arcuate socket, 342 length than aforementioned pivot, can pivot shelve 34 intercalation piece 340 unassembled before, after earlier first pin plate, 42 correspondences being plugged in 341 of this two pivots loads, utilize again intercalation piece 340 be intercalated in simultaneously this first, second arcuate socket 342, in 421, therefore be subjected to aforementioned suspension bracket 33 interlocks and during the lifting displacement when the whole first pivot swing seat 4, first pin plate 42 just can be during the lifting displacement, along the formed arc-curved direction of this intercalation piece 340, in the length range of its second arcuate socket 421, do the swing displacement of appropriateness, but pivot is assembled in the state on these first translating base, 3 left sides along a front and back bearing of trend for axle with putting adjustment after making the whole first pivot swing seat 4 be combined in first translating base 3, and can be located by aforesaid quick detach assembly 44 after the combination.

The composition structure of this quick detach assembly 44 has the inserted link 441, two that passes this intercalation piece 340 and is sheathed on these inserted link 441 outsides and lays respectively at the handle 444 that these intercalation piece 340 forward-and-rearward collars 443 and one are hubbed on a front end of this inserted link 441, this handle 444 can be when being pulled toward the different directions operation, controlling the close or phase amphi position of this two collar 443 respectively moves, grip whereby or loosen aforementioned two pivot loads 341, because this kind quick detach assembly 44 generally has been used in and provides in the mechanically actuated of gripping fast or loosening, therefore no longer illustrate for its thin portion operation situation.When being gripped by quick detach assembly 44, this two pivots load 341 will clip this first pin plate, 42 location in opposite directions, make first pin plate 42 do swing with respect to first translating base 3, when quick detach assembly 44 unclamps this two pivots load 341, first pin plate 42 and pendulum plate 41 just can be operated pull and with respect to 3 swings of first translating base to position that institute's desire is adjusted.

By Fig. 4 and Fig. 6 as seen, this second translating base 5 is to be positioned at this first pivot swing seat, 4 left sides, has the adjustment screw rod 52 that a upright translation plates 51 and is used for finely tuning these translation plates 51 upper and lower displacements of control.This translation plates 51 is can adjust with displacement secured in parallel up and down on a left surface of this pendulum plate 41, but the design of these translation plates 51 upper and lower displacements, be to be extruded with several vertical bar shapes that extend up and down by the one right flank to lead rib 511, this lead rib 511 correspondences penetrate on the aforementioned pendulum plate 41 corresponding several strip guide holes 411 of offering, make the 51 energy upper and lower displacement adjustment of integral translation plate, and the location of translation plates 51 is by leading rib 511 and turn right and stretch through out pendulum plate 41 and offer a screw 512 that extends up and down wherein, and can pass the perforation 432 that the aforementioned leveling board 43 that this is positioned at the top is offered from top to bottom with a bottom of aforementioned adjustment screw rod 52, and correspondence is bolted in this screw 512, when toward the different directions spiral shell when changeing this adjustments screw rod 52, just can reach up or down fine setting support the effect of moving integral translation plate 51 and being positioned predetermined altitude.In addition, be adjusted to the height of expection when translation plates 51 after, can be by two lock members 53 of other setting, lead the screw of presetting in the rib 511 and locate in institute is corresponding by turn left aforementioned pendulum plate 41 two guide holes 411 and the screw lock wherein that stretch through respectively of the right side.

Cooperate Fig. 4 and Fig. 7, this second pivot swing seat 6 is to be positioned at this second translating base, 5 left sides, be used for this second pin plate 61 is journaled into support body 63 on this second translating base 5 by the turn left horizontal base plate 62, of projection of a left surface of this second pin plate 61 but have upright second pin plate 61 on the left surface of the parallel translation plates 51 that is assembled in this second translating base 5 in swing location ground,, and a lock member 64 that is used for locating this second pin plate 61.This support body 63 penetrates this second pin plate 61 and is bolted in this translation plates 51, and making whole second pin plate 61 can serve as that the axle swing is adjusted with this support body 63.This lock member 64 is to pass an arc hole 611 of being offered on this second pin plate 61, and corresponding screw lock is located and can borrow this lock member 64 to be tight against second pin plate 61 in this translation plates 51.In addition, this arc hole 611 is to be that axle is made arcuation and extended around a straight line that is extended toward left and right directions by the focusing luminous point of center camera lens 13.

As Fig. 4 and shown in Figure 8, the translation plates 71 and two that the 3rd translating base 7 has a level is used for locating the lock member 72 of this translation plates 71.This translation plates 71 has and is stretched on the one bottom surface and two leads rib 711 along what left and right directions extended, and with this lead rib 711 correspondences penetrate on the horizontal base plate 62 of the aforementioned second pivot swing seat 6 two guide holes 621 offered of correspondence, make integral translation plate 71 can about adjust on the parallel end face that is assembled in horizontal base plate 62 in ground.This two lock member 72 is locked translation plates 71 after can penetrating two guide holes 621 of this horizontal base plate 62 from lower to upper respectively, and translation plates 71 is tightly locked the position.

By Fig. 3 and Fig. 4 as seen, the 3rd pivot swing seat 8 has the lock member 82 that the 3rd pin plate 81 and three on the parallel translation plates 71 that is assembled in the 3rd translating base 7 is used for locating the 3rd pin plate 81.The 3rd pin plate 81 areas are slightly larger than translation plates 71, and have a plurality of by it than a bottom edge of the large area region interval cylinder 811 of projection down, and run through 3 the 3rd arcuate sockets 812 that are arranged at itself and translation plates 71 overlapping regions.The bottom of this cylinder 811 is to be used for for a plurality of pivot ears 111 of the corresponding setting of institute on the body 11 of described light engine 1 from lower to upper and after supporting, respectively with this cylinder 811 and pivot ear 111 locking one, make whole light engine 1 be fixed on the 3rd pivot swing seat 8 belows with a plurality of screws (not shown).And the end face that the 3rd arcuate socket 812 is correspondences is linked in aforementioned translation plates 71 most arcuate rib 712 of corresponding projection, and the 3rd arcuate socket 812 and arcuate rib 712 are that the central axis 131 with the center camera lens 13 of described body 11 serve as that axle is made arcuation and extended, and are that central axis 131 with described center camera lens 13 serves as spool to do the swing adjustment during therefore whole the 3rd pin plate 81 swings.After 81 swings of the 3rd pin plate are adjusted, can penetrate 2 the 3rd arcuate sockets 812 of the 3rd pin plate 81 from top to bottom respectively and lock the arcuate rib 712 of translation plates 71 by this lock member 82, and the 3rd pin plate 81 is tightly locked the position.For avoiding graphic too complicated, 82 of this lock members are shown among Fig. 4, all the other each all show in graphic.

Borrow the composition of above-mentioned member, because the pedestal 2 of this adjusting gear, first translating base 3, the first pivot swing seat 4, second translating base 5, the second pivot swing seat 6, the 3rd translating base 7 and the 3rd pivot swing seat 8 are to be assembled relatively to a left side by the right side in regular turn to locate, and can carry out the adjustment of relative position respectively independently between two adjacent pedestals, translation adjustment before and after wherein first translating base 3 can be done with respect to pedestal 2, the first pivot swing seat 4 can be with respect to first translating base 3 around being that axle do swing adjustment toward front and back to the straight line that extends by the focusing luminous point of described center camera lens 13, second translating base 5 can be done the upper and lower translation adjustment with respect to the first pivot swing seat 4, the straight line that the second pivot swing seat 6 can extend toward left and right directions around the focusing luminous point by center camera lens 13 with respect to second translating base 5 is that axle is done the swing adjustment, the 3rd translating base 7 can be done left and right sides translation adjustment with respect to the second pivot swing seat 6, the 3rd pivot swing seat 8 can be done the swing adjustment around the central axis 131 of described center camera lens 13 for axle with respect to the 3rd translating base 7, and above first translating base 3, the first pivot swing seat 4, second translating base 5, the second pivot swing seat 6, the 3rd translating base 7, when the arbitrary pedestal displacement in the 3rd pivot swing seat 8 is adjusted, described light engine 1 all can be by continued moving displacement, make the position of light engine 1 location, can be subjected to this pedestal displacement to adjust time institute's interlock, and the focusing luminous point that obtains with center camera lens 13 is an initial point, do tridimensional translation and swing adjustment, just obtain with tridimensional X (left and right sides bearing of trend), Y (front and back bearing of trend), effect is adjusted in the translation of multidirectionals such as Z (bearing of trend up and down) axle and swing, but and independent operation all when adjusting, as having six axial adjustment functions, the adjustment operation in the time of therefore can making production and assembly is very convenient.

Possess as for the utility model and can make described light engine 1 obtain the situation that tridimensional translation and swing are adjusted, roughly be: by the translation adjustment of X, Y, Z-direction, make projected picture produce the counterparty to translation.And be the rotation adjustment that axle is done with the Z axle, the projected picture of deflection can be become a full member.In addition, be the rotation adjustment that axle is done with X, Y-axis, can be adjusted into normal rectangular picture respectively with " left and right sides width is inconsistent " trapezoidalization picture with " width is inconsistent up and down ".

What deserves to be mentioned is at this, present embodiment is respectively formed pedestal in the design, though to carry out " front and back translation, serve as that axle do swing, upper and lower translation, along left and right sides bearing of trend serve as axle do swing, left and right sides translation, along up and down bearing of trend serve as spool do swing along the front and back bearing of trend " in regular turn in proper order as its adjustment, but actual design is not as limit, when doing different transposing in proper order because of adjustment, integrated adjustment is used for fixing for described light engine, can possess six adjustment function equally.

Take a broad view of above-mentioned, when adjusting gear of the present utility model is used for for light engine fixedly, really can be by the independent operation adjustment of members such as first translating base 3, the first pivot swing seat 4, second translating base 5, the second pivot swing seat 6, the 3rd translating base 7, the 3rd pivot swing seat 8, and possess each camera lens 12 ~ 14 projecting direction of the independent described adjustment light engine 1 of multidirectional and the effect of position.

Certainly, those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claims variation, the modification of the above embodiment.

Claims

1. one kind for the fixing adjusting gear of light engine, and described light engine has the body of a level, and a center camera lens that uprightly is fixed on up on this body, and described center camera lens has a central axis that extends and focus on by one luminous point up and down; It is characterized in that this adjusting gear includes:

One pedestal;

One first translating base can be assembled on this pedestal movably forward and backward;

One first pivot swing seat, be positioned at by this first translating base, have a upright pendulum plate and by a side of this pendulum plate first pin plate towards this first translating base direction projection, this first pin plate is to be that axle is journaled on this first translating base along a straight line that is extended toward front and back by the focusing luminous point of described center camera lens adjustably;

One second translating base is positioned at the side away from this first translating base of this first pivot swing seat, has a upright translation plates, and this translation plates is can adjust secured in parallel with displacement up and down in dorsad on the side of this first translating base of this pendulum plate;

One second pivot swing seat, be positioned at the side away from this first translating base of this second translating base, have upright second pin plate and by a side of this second pin plate toward a horizontal base plate away from the direction projection of this first translating base, be on spool parallel translation plates that is assembled in this second translating base but this second pin plate is ground, swing location along a straight line that is extended toward about by the focusing luminous point of described center camera lens;

One the 3rd translating base has the translation plates of a level, this translation plates be can about adjust on the parallel horizontal base plate that is assembled in this second pivot swing seat in ground, location; And

One the 3rd pivot swing seat is axle but have swing adjustment ground with the central axis of described center camera lens, level the 3rd pin plate on the parallel translation plates that is assembled in the 3rd translating base, and the 3rd pin plate is to be used for fixing on it for the body of described light engine.

2, according to claim 1 for the fixing adjusting gear of light engine, it is characterized in that:

This pedestal has the upright upper frame that extends front and back and a horizontal underframe of being turned left and being extended by a root edge of this upper frame, and this upper frame has two parallel up and down interval rail bars;

This first translating base has the seat body and two that a summary is rectangular frame shaped and is separately fixed at the top of this seat body, the slide plate of bottom surface, whole first translating base be with this two slide plate can before and after be assembled in this two rail bars forward surface with adjusting.

3, according to claim 1 for the fixing adjusting gear of light engine, it is characterized in that:

This first translating base has a seat body and that roughly is rectangular frame shaped and is shelved toward the pivot of this first pivot swing seat projection by a middle position of this seat body, this pivot is shelved a pivot load and the intercalation piece that can corresponding be plugged between this two pivots load with two front and back spaced and parallel, offer corresponding first arcuate socket on this two pivots load, this intercalation piece is correspondence to be plugged between this 2 first arcuate socket;

First pin plate of this first pivot swing seat, can be before the intercalation piece that this pivot is shelved be unassembled, correspondence is plugged between this two pivots load, and this first pin plate has one second arcuate socket, this second arcuate socket be length more longways corresponding to this first arcuate socket, and this intercalation piece is to be intercalated in simultaneously in this first, second arcuate socket.

4, as described in claim 3, supply the fixing adjusting gear of light engine, it is characterized in that:

This first translating base also have one by this seat body toward the suspension bracket of this first pivot swing seat projection, this suspension bracket is that the compartment of terrain is positioned at this pivot and shelves the top, but and the upper and lower displacement adjustment be assembled on this seat body;

This first pivot swing seat also has a leveling board and that is stretched on the side of this pendulum plate and is positioned at its first pin plate top and is used for this leveling board is lifted on the suspension rod of this suspension bracket below, this suspension rod has the tiny upper end that a roomy bottom and is up extended by this bottom, and this suspension rod upper end is to be hubbed on this suspension bracket after up passing this leveling board.

5, as described in claim 4, supply the fixing adjusting gear of light engine, it is characterized in that:

The suspension bracket body and one that this suspension bracket has a level vertically is installed in the lifting screw on this suspension bracket body, and this lifting screw is up projection and be bolted in this seat body upper end adjustably.

6, according to claim 1 for the fixing adjusting gear of light engine, it is characterized in that:

This first pivot swing seat also has one and is stretched on the side of this pendulum plate and is positioned at the leveling board of its first pin plate top, and this pendulum plate has the strip guide hole that several extend up and down;

This second translating base also has one and is used for finely tuning the adjustment screw rod of controlling this translation plates upper and lower displacement, and this translation plates has by the one side leads rib toward the vertical bar shape of this first pivot swing seat projection, but this leads rib is corresponding this guide hole that penetrates this pendulum plate in upper and lower displacement adjustment ground, wherein one to lead rib be to turn right to stretch through out the pendulum plate and offer a screw that extends up and down, and this adjustment screw rod is the leveling board that passes this first pivot swing seat with the one bottom from top to bottom, and is bolted in this screw adjustably.

7, according to claim 1 for the fixing adjusting gear of light engine, it is characterized in that:

One end face of the translation plates of the 3rd translating base has several arcuate rib, and this arcuate rib is that the central axis with described center camera lens is that the center of circle is made arcuation and extended;

The 3rd pivot swing seat has a plurality of the 3rd arcuate sockets, but the 3rd pivot swing seat is to be linked in this arcuate rib outside respectively with the 3rd arcuate socket swing adjustment ground.

8, as described in claim 7, supply the fixing adjusting gear of light engine, it is characterized in that:

The area of the 3rd pin plate of the 3rd pivot swing seat is greater than the translation plates of this second translating base, and have a plurality of by it than a bottom edge of the large area region cylinder of projection down, the 3rd pivot swing seat is corresponding and support winding for the body of described light engine with the bottom of this cylinder.