CN105093797A - Adjustable pedestal for projection display equipment, and projection display equipment - Google Patents
Adjustable pedestal for projection display equipment, and projection display equipment Download PDFInfo
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- CN105093797A CN105093797A CN201510455622.8A CN201510455622A CN105093797A CN 105093797 A CN105093797 A CN 105093797A CN 201510455622 A CN201510455622 A CN 201510455622A CN 105093797 A CN105093797 A CN 105093797A
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Abstract
The invention provides an adjustable pedestal for projection display equipment, and the projection display equipment. The adjustable pedestal comprises a pedestal, a first translation pallet, a first driving mechanism, a second translation pallet, a second driving mechanism, a rotating pallet, and carrying tables. When the adjustable pedestal is in use, a projection device of the projection display equipment is placed on a bearing surface formed by the carrying tables. The position of the projection device in a first direction can be adjusted through employing the first driving mechanism to drive the first translation pallet, and the position of the projection device in a second direction can be adjusted through employing the second driving mechanism to drive the second translation pallet. The rotating angle of the projection device in a plane whether the first and second directions are located can be adjusted through adjusting the rotating pallet. The pitch/deflection angle of the projection device can be adjusted through adjusting the three carrying tables, so as to enable the picture of the projection device to be aligned with a projection screen. When the pedestal is adjusted, there is no need to lift or move the projection device, so the adjustment process is simple and convenient and the adjustment precision is high.
Description
Technical field
The present invention relates to projection display apparatus design field, particularly a kind of adjustable base of projection display apparatus and projection display apparatus.
Background technology
The projected picture of the projection arrangement in projection display apparatus is when projecting on projection screen, just good Consumer's Experience can be provided after needing accurate location, especially ultrashort out-of-focus projection display device, how correctly fast projected picture and effective projected area of the screen be projected are carried out aliging, whether picture on projection screen covers whole effective projected area completely, is the key point bringing good Consumer's Experience.
Physical connection is not had between projection arrangement of the prior art and projection screen, the height of projection arrangement and luffing angle are adjusted by the multiple foots pad arranged bottom projection arrangement usually, foot pad carries out height by screw connection structure and regulates, the height adjusting whole foot pad can realize the whole height adjustment of projection arrangement, and the difference in height after adjustment front & rear foot-pad regulates can realize the pitching adjustment of projection arrangement.Be in course of adjustment, because foot pad is arranged on bottom projection arrangement, user needs projection arrangement to lift to carry out height of foot pad adjustment usually, and adjustment process is loaded down with trivial details and Adjustment precision is low.The front and back of projection arrangement and the adjustment of right position are usually by moving integrally projection arrangement to realize, and adjustment process is loaded down with trivial details equally and Adjustment precision is low.
Summary of the invention
The invention provides a kind of adjustable base and projection display apparatus of projection display apparatus, this adjustable base can realize the adjustment of projection arrangement spatially multiple degree of freedom when the projection arrangement of not mobile projector display device, and Adjustment precision is high, adjustment process is easy.
For achieving the above object, the invention provides following technical scheme:
For an adjustable base for projection display apparatus, comprising:
Base;
First translational tray, is slidably matched by the first slide mechanism between the first translational tray and base, can be installed on base movably to make the first translational tray along first direction;
Drive the first driving mechanism of the first translational tray movement;
Be positioned at the second translational tray that the first translational tray deviates from base side, be slidably matched by the second slide mechanism between second translational tray and the first translational tray, to make the second translational tray can be installed on the first translational tray movably along second direction, second direction is vertical with first direction;
Drive the second driving mechanism of the second translational tray movement;
Be positioned at the rotary-tray that the second translational tray deviates from the first translational tray side, rotary-tray is installed on the second translational tray by the first pivotal axis, and the first pivotal axis is perpendicular to first direction and perpendicular to second direction;
Be positioned at rotary-tray and deviate from the second translational tray side and three microscope carriers of distribution triangular in shape, the side surface that each microscope carrier deviates from rotary-tray forms a loading end, and each microscope carrier can be installed on rotary-tray movably along the bearing of trend of the first pivotal axis.
In above-mentioned adjustable base, when the first translational tray carries out translation motion along driving the second translational tray, rotary-tray, microscope carrier during first direction translation along first direction relative to base; Second translational tray driven rotary pallet, microscope carrier can carry out translation motion along second direction relative to base or the first translational tray along during second direction translation; Rotary-tray can drive connected microscope carrier to be rotated around the first pivotal axis when being rotated around the first pivotal axis; Three microscope carriers can carry out height control along the bearing of trend of the first pivotal axis respectively, to form the loading end of differing heights or pitching, deflection angle.
In this adjustable base use procedure, projection arrangement is installed on three microscope carriers, in the position adjustment of projection arrangement, drive the first translational tray to adjust projection arrangement position in a first direction by adjusting the first driving mechanism, the second translational tray is driven to adjust projection arrangement position in a second direction by adjusting the second driving mechanism, by adjustment rotary-tray adjust projection arrangement first direction and second direction the anglec of rotation in the plane, whole height or the pitching of projection arrangement is adjusted by adjusting the height of three microscope carriers on the bearing of trend along the first pivotal axis, deflection angle, the position adjustment of projection arrangement on the six-freedom degree of space can be carried out thus, to be aimed at projection screen by the projected picture of projection arrangement.This base is in course of adjustment without the need to direct mobile projector device, and its adjustment process is easy, and Adjustment precision is high.
Preferably, the first driving mechanism comprises the first threaded screw rod and the first nut, the first threaded screw rod be installed in base and along first direction extend, the first nut be fixed on the first translational tray and with the first threaded screw rod threaded engagement; And/or,
Second driving mechanism comprises the second threaded screw rod and the second nut, the second threaded screw rod be installed in the first translational tray and along second direction extend, the second nut be fixed on the second translational tray and with the second threaded screw rod threaded engagement.
Preferably, the first slide mechanism comprises the first guide rail and the first slide block that are slidably matched, and/or the second slide mechanism comprises the second guide rail and the second slide block that are slidably matched.
Preferably, when the first driving mechanism comprises the first threaded screw rod and the first nut and the first slide mechanism comprises the first guide rail and the first slide block that are slidably matched, in the first slide mechanism: the first guide rail is two, two the first guide rails are arranged at base; Article one, the first guide rail is positioned at the side of the first threaded screw rod, and another the first guide rail is positioned at the opposite side of the first threaded screw rod; The quantity of the first slide block is four, and the first slide block is fixed on the first translational tray, and each first guide rail coordinates with two the first slide blocks respectively; And/or,
When the second driving mechanism comprises the second threaded screw rod and the second nut and the second slide mechanism comprises the second guide rail and the second slide block that are slidably matched, in the second slide mechanism: the second guide rail is two, two the second guide rails are arranged at base; Article one, the second guide rail is positioned at the side of the second threaded screw rod, and another the second guide rail is positioned at the opposite side of the second threaded screw rod; The quantity of the second slide block is four, and the first slide block is fixed on the first translational tray, and each second guide rail coordinates with two the second slide blocks respectively.
Preferably, for limiting first position-limit mechanism of the first translational tray relative to base translating stroke;
For limiting second position-limit mechanism of the second translational tray relative to the first translational tray translating stroke.
Preferably, the first translational tray is provided with the first limitting casing and the second limitting casing, and base is provided with convex the first spacing preiection to the first translational tray, and the second translational tray is provided with convex the second spacing preiection to the first translational tray, wherein:
First spacing preiection to stretch in the first limitting casing and coordinates formation first position-limit mechanism with the first limitting casing;
Second spacing preiection to stretch in the second limitting casing and coordinates formation second position-limit mechanism with the second limitting casing.
Preferably, each microscope carrier comprises the inner thread device be connected with rotary-tray, and the external thread device be connected with loading end, external thread device and inner thread device be connected and axis along the bearing of trend of the first pivotal axis.
Preferably, each external thread device is provided with the position locking mechanism for locking the displacement of inner thread device on the bearing of trend along the first pivotal axis.
Preferably, position locking mechanism comprises, and being arranged on inner thread device and running through the tapped through hole of inner thread device side, the axes normal of tapped through hole is in the axis of thread of inner thread device; The second lock-screw coordinated with tapped through hole, the termination of the second lock-screw can be torqued-up to the thread contact position with external thread device.
Preferably, adjustable base comprises the rotary locking mechanism for locking rotary-tray rotary motion position.
Preferably, rotary locking mechanism comprises, the first gear be coaxially connected with pivotal axis; With the first gears meshing and the second gear of being connected with the second translation stage of rotation center, and the spoke of the second gear is provided with the deep-slotted chip breaker that the center of circle overlaps with the second gear rotation center; The first lock-screw be threaded with the second translation stage, the first lock-screw is positioned at deep-slotted chip breaker and screw head lower end can be torqued-up to the spoke contact position with the second gear.
Present invention also offers a kind of projection display apparatus, comprise projection arrangement, also comprise above-mentioned adjustable base, on the loading end of three microscope carriers of the distribution triangular in shape that the rotary-tray that projection arrangement is installed on adjustable base is arranged.
The projection arrangement of this projection display apparatus is in position adjustment, drive the first translational tray to adjust projection arrangement position in a first direction by adjusting the first driving mechanism, the second translational tray is driven to adjust projection arrangement position in a second direction by adjusting the second driving mechanism, by adjustment rotary-tray adjust projection arrangement first direction and second direction the anglec of rotation in the plane, adjust the whole height of projection arrangement or pitching, deflection angle by adjusting the height of three microscope carriers on the bearing of trend along the first pivotal axis; The position adjustment of projection arrangement on the six-freedom degree of space can be carried out thus, to be aimed at projection screen by the projected picture of projection arrangement.The projection arrangement of this projection display apparatus is without the need to direct mobile projector device in position adjustment, and its adjustment process is easy, and Adjustment precision is high.
Accompanying drawing explanation
Fig. 1 is the part-structure assembling schematic diagram of the adjustable base in the specific embodiment of the invention;
Fig. 2 is the part-structure assembling schematic diagram of the adjustable base in the specific embodiment of the invention;
Fig. 3 is the part-structure assembling exploded perspective view of the adjustable base in the specific embodiment of the invention;
Fig. 4 is the part-structure assembling schematic diagram of the adjustable base in the specific embodiment of the invention;
Fig. 5 is the structural representation of the projection display apparatus in the specific embodiment of the invention.
Reference numeral:
10, base; 11, first spacing preiection; 20, first translational tray;
21, first limitting casing; 22, second limitting casing; 30, first slide mechanism;
31, first guide rail; 32, first slide block; 40, first driving mechanism;
41, first nut; 42, first threaded screw rod; 43, first direction adjustment screw;
50, second translational tray; 51, second spacing preiection; 60, second slide mechanism;
61, second guide rail; 62, second slide block; 70, second driving mechanism;
71, second nut; 72, second threaded screw rod; 73, second direction adjustment screw;
80, rotary-tray; 90, first pivotal axis; 100, microscope carrier;
101, external thread device; 102, inner thread device; 103, position locking mechanism;
110, rotary locking mechanism; 111, first gear; 112, second gear;
113, first lock-screw; 120, friction mechanism; 1, adjustable base; 2, projection arrangement.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide a kind of adjustable base and projection display apparatus of projection display apparatus, above-mentioned projection display apparatus comprises projection arrangement and for regulating the luffing angle of projection arrangement and beat, vertical height, the isoparametric adjustable base of the anglec of rotation, this projection display apparatus is by adopting above-mentioned adjustable base in position adjustment without the need to lifting or the projection arrangement of direct mobile projector display device, and its adjustment process is easy, Adjustment precision is high.
Followingly will by reference to the accompanying drawings the structure of above-mentioned adjustable base and use principle to be described, for ease of describing, the embodiment of the present invention, when being described the principle of work of above-mentioned adjustable base, is described in conjunction with features such as the projection arrangement in projection display apparatus and the annexations between projection arrangement and adjustable base.
As shown in Figure 1, Figure 2 and Figure 3, the adjustable base for projection display apparatus provided in the specific embodiment of the invention specifically comprises:
Base 10; Be slidably matched by the first slide mechanism 30 between first translational tray 20, first translational tray 20 and base 10; Drive the first driving mechanism 40, first translational tray 20 of the first translational tray 20 movement can under the driving of the first driving mechanism 40, by the first slide mechanism 30 respect thereto 10 along first direction Y translation;
Be positioned at the first translational tray 20 to deviate between the second translational tray 50, second translational tray 50 of base 10 side and the first translational tray 20 and be slidably matched by the second slide mechanism 60; Drive the second driving mechanism 70, second translational tray 50 of the second translational tray movement can under the driving of the second driving mechanism 70, by relative first translational tray 20 of the second slide mechanism 60 with base 10 along the second direction X translation vertical with first direction Y;
Be positioned at the rotary-tray 80 that the second translational tray 50 deviates from the first translational tray 20 side, rotary-tray 80 is installed on the third direction Z at the second translational tray 50, first pivotal axis 90 place perpendicular to first direction Y and second direction X by the first pivotal axis 90 be arranged on the second translational tray 50;
Be positioned at rotary-tray 80 and deviate from the second translational tray 50 side and three microscope carriers 100 of distribution triangular in shape, for ease of the adjustment of projection arrangement, as shown in Figure 3, three microscope carriers in this embodiment are the distribution in isosceles triangle on rotary-tray 80, and going to the bottom of this isosceles triangle is parallel with second direction X; The side surface that each microscope carrier 100 deviates from rotary-tray 80 forms a loading end, and for placing the projection arrangement of projection display apparatus, and each microscope carrier can be installed on rotary-tray 80 movably along third direction Z.
In above-mentioned adjustable base, the first translational tray 20 can drive connected second translational tray 50 when translation, rotary-tray 80, three microscope carriers 100 carry out translation motion along first direction Y; Second translational tray 50 can drive connected rotary-tray 80, three microscope carriers 100 to carry out translation motion along second direction X when translation; Rotary-tray 80 can drive connected three microscope carriers 100 to be rotated around the first pivotal axis 90 when rotating around the first pivotal axis 90; In isosceles triangle, three microscope carriers 100 of arrangement can carry out height control along third direction Z, respectively to form the loading end of differing heights or pitching/deflection angle: the height simultaneously adjusting three microscope carriers 100, the whole height of adjustable loading end; Difference in height between the microscope carrier 100 of adjustment on isosceles triangle summit and two microscope carriers 100 of going to the bottom at isosceles triangle, the luffing angle of adjustable loading end; Only adjust the difference in height between two microscope carriers 100 of going to the bottom at isosceles triangle, the deflection angle of adjustable loading end.
In this adjustable base use procedure, projection arrangement is installed on the loading end of three microscope carriers 100 formation, driving the first translational tray 20, adjusting the position of projection arrangement on first direction Y by adjusting the first driving mechanism 40; Drive the second translational tray 50 by adjusting the second driving mechanism 70, the position of projection arrangement on second direction X is adjusted; By rotating rotary-tray 80, to projection arrangement first direction Y and second direction X the anglec of rotation in the plane adjust; By adjusting three microscope carriers 100 along the height on third direction Z, the pitching/deflection angle of projection arrangement is adjusted; Use this adjustable base can carry out the position adjustment of projection arrangement on the six-freedom degree of space, by the position adjustment in multiple degree of freedom to be aimed at projection screen by the projected picture of projection arrangement.This adjustable base is in course of adjustment without the need to lifting or the projection arrangement of mobile projector display device, and its adjustment process is easy, and Adjustment precision is high.
As shown in Figure 1, in a kind of optimal way, for improving adjustable base Adjustment precision in a first direction, the first driving mechanism 40 comprises:
One end is installed in base 10 and along first threaded screw rod 42 of first direction Y; Be fixed on the first translational tray 20 and can be integral type structure or split-type structural with the first translational tray 20 with the first nut 41, first nut 41 of the first threaded screw rod 42 threaded engagement; For ease of the adjustment of the first threaded screw rod 42, in a kind of optimal way, first driving mechanism 40 also comprises and is positioned at the first threaded screw rod 42 pivot dress and adjusts screw 43 with base 10 one end with the coaxial first direction be connected of the first threaded screw rod 42, when the position adjustment carrying out the first translational tray 20, the tool into rotation first direction adjustment screws 43 such as screwdriver can be adopted, drive the first threaded screw rod 42 to rotate, thus drive the first translational tray 20 be connected with the first nut 41 along first direction Y translation.
In actual production process, according to Production requirement, the first driving mechanism also can adopt the type of drive such as gear & rack structure.
As shown in Figure 1, in a kind of optimal way, for improving adjustable base Adjustment precision in a second direction, the second driving mechanism 70 comprises:
One end is installed in base 10 and along second threaded screw rod 72 of second direction Y; Be fixed on the second translational tray 20 and can be integral type structure or split-type structural with the second translational tray 50 with the second nut 71, second nut 71 of the second threaded screw rod 72 threaded engagement; For ease of the adjustment of the second threaded screw rod 72, in a kind of optimal way, second driving mechanism 70 also comprises and is positioned at the second threaded screw rod 72 pivot dress and adjusts screw 73 with base 10 one end with the coaxial second direction be connected of the second threaded screw rod 72, when the position adjustment carrying out the second translational tray 20, the tool into rotation second direction adjustment screws 73 such as screwdriver can be adopted, drive the second threaded screw rod 72 to rotate, thus drive the second translational tray 50 be connected with the second nut 71 along second direction Y translation.
In actual production process, according to Production requirement, the second driving mechanism also can adopt the type of drive such as gear & rack structure.
As shown in Figure 1, in a kind of optimal way, the first slide mechanism 30 comprises the first guide rail 31 and the first slide block 32 be slidably matched; Second slide mechanism 60 comprises the second guide rail 61 and the second slide block 62 be slidably matched.
For increasing the stability of the first translational tray in translation motion, as shown in Figure 1 in a kind of optimal way, when the first driving mechanism 40 comprises the first threaded screw rod 42 and the first nut 41 and the first slide mechanism 30 comprises the first guide rail 31 and the first slide block 32 that are slidably matched, in first slide mechanism 30, first guide rail 31 is two, and two the first guide rails 31 are arranged on base 10; Article one, the first guide rail 31 is positioned at the side of the first threaded screw rod 42, and another first guide rail 31 is positioned at the opposite side of the first threaded screw rod 42;
The quantity of the first slide block 32 is four, and the first slide block 32 is fixed on the first translational tray 20, and each first guide rail 31 coordinates with two the first slide blocks 32 respectively.
Correspondingly, the first guide rail 31 also can be arranged on the first translational tray 20, and the first slide block relative set is on base 10.
For increasing the stability of the second translational tray in translation motion, as shown in Figure 1 in a kind of optimal way, when the second driving mechanism 70 comprises the second threaded screw rod 72 and the second nut 71 and the second slide mechanism 60 comprises the second guide rail 61 and the second slide block 62 that are slidably matched, in second slide mechanism 60, second guide rail 61 is two, and two the second guide rails 61 are arranged on the first translational tray 20; Article one, the second guide rail 61 is positioned at the side of the second threaded screw rod 72, and another second guide rail 61 is positioned at the opposite side of the second threaded screw rod 72;
The quantity of the second slide block 62 is four, and the second slide block 62 is fixed on the second translational tray 50, and each second guide rail 61 coordinates with two the second slide blocks 62 respectively.
Correspondingly, the second guide rail 61 also can be arranged on the second translational tray 50, and the second slide block relative set is on the first translational tray 20.
In a kind of optimal way, depart from the first drive unit or the second drive unit or deviate from adjustable base for preventing the first translational tray or the second translational tray in position adjustment because adjustment stroke is excessive, this adjustable base also comprises:
For limiting first position-limit mechanism of the first translational tray 20 relative to base 10 translating stroke;
For limiting second position-limit mechanism of the second translational tray 50 relative to the first translational tray 20 translating stroke.
In a kind of optimal way as depicted in figs. 1 and 2, first translational tray 20 is provided with the first limitting casing 21 and the second limitting casing 22, in this optimal way, first limitting casing 21 and the second limitting casing 22 are rectangle frame, also the limitting casing of other shapes can be adopted, as the shape such as circular, trapezoidal in actual production, base is provided with convex the first spacing preiection 11 to the first translational tray, preferably, first spacing preiection 11 is the limited post arranged on base 10, and limited post stretches in the first limitting casing 21, formation first position-limit mechanism is coordinated with the first limitting casing 21, first limitting casing 21 along first direction Y two sides between distance be not more than the useful thread of the first threaded screw rod 42, when the first translational tray 20 is in the translation motion along first direction Y, first limitting casing 21 along any one in two sides of first direction Y move to contact with limited post time, first translational tray 20 can not continue mobile, avoid the first translational tray 20 and depart from the first threaded screw rod 42 when translation, and then avoid the first translational tray 20 and depart from adjustable base, second translational tray is provided with convex the second spacing preiection 51 to the first translational tray, preferably, second spacing preiection 51 is for being arranged at the flanging on the second translational tray, flanging stretches in the second limitting casing 22, formation second position-limit mechanism is coordinated with the second limitting casing 22, second limitting casing 22 along second direction X two sides between distance be not more than the useful thread of the second threaded screw rod 72, when the second translational tray 50 is along in the translation motion of second direction X, second limitting casing 22 along any one in two sides of second direction X move to contact with flanging time, second translational tray 50 can not continue mobile, avoid the second translational tray 50 and depart from the second threaded screw rod 72 when translation, and then avoid the second translational tray 50 and depart from adjustable base, improve the stability in use of adjustable base.
In a kind of optimal way as shown in Figure 3, each microscope carrier 100 comprises the external thread device 101 be connected with rotary-tray 80, and the inner thread device 102 to be connected with microscope carrier 100, external thread device 101 be connected with inner thread device 102 threaded engagement and axis along third direction Z.
For avoiding microscope carrier after being adjusted to desired location because producing displacement by during the ectocines such as External force interference, in a kind of optimal way as shown in Figure 3, each inner thread device 102 is provided with for locking external thread device 101 at the position locking mechanism 103 along the displacement on third direction Z.
In a kind of optimal way, position locking mechanism 103 comprises, and being arranged on inner thread device 102 and running through the tapped through hole of inner thread device 102 side, the axes normal of tapped through hole is in the axis of thread of inner thread device 102; The second lock-screw coordinated with tapped through hole, the termination of the second lock-screw can be torqued-up to the thread contact position with external thread device 101, when adjusting microscope carrier 100 to desired location by rotating external threads device 101, the second lock-screw can be screwed can not rotate to external thread device 101, thus the locking position of microscope carrier 100 on third direction Z, avoid the displacement that microscope carrier 100 occurs because of External force interference after being adjusted to desired location, and then the position avoiding projection display equipment changes, improve the stability in use of adjustable base.
In a kind of optimal way as shown in Figure 4, in order to avoid adjustable base produces displacement relative to the holding plane of adjustable base in the position adjustment of projection arrangement, and then reduction Adjustment precision, be provided with the friction mechanism 120 for increasing the friction force between adjustable base and the holding plane of adjustable base in the side that base 10 deviates from the first translational tray 20.
In optimal way as shown in Figure 4, the foot pad that friction mechanism 120 is made for silica gel material, this is in actual production also can select the material that other friction factor is higher, or adopts sucker structure, to make adjustable base be adsorbed on its holding plane, increase stability during its adjustment further.
The displacement produced because of external condition impacts such as External force interferences for avoiding rotary-tray after being adjusted to desired location, as shown in Figure 3 in a kind of optimal way, adjustable base comprises the rotary locking mechanism 110 for locking rotary-tray 80 rotary motion position.
Particularly, as shown in Figure 3, rotary locking mechanism 110 comprises, first gear 111 that be connected coaxial with the first pivotal axis 90, for simplifying product structure, the first gear 111 in this optimal way is incomplete mechanism gear mechanism, also can adopt complete gear structure according to the condition of production in actual production process; To engage with the first gear 111 and the spoke of the second gear 112, second gear 112 that rotation center is connected with the second translational tray 50 is provided with the deep-slotted chip breaker that the center of circle overlaps with the second gear 112 rotation center; The first lock-screw 113 be threaded with the second translational tray 50, first lock-screw 113 is positioned at deep-slotted chip breaker and screw head lower end can be torqued-up to the spoke contact position with the second gear 112, after adjustment rotary-tray 80 to desired location, first lock-screw 113 can be torqued-up to the second gear 112 can not rotate, thus make the locking position of rotary-tray 80, avoid rotary-tray 80 at the swing offset affecting lower generation by external conditions such as External force interferences, and then the position avoiding projector equipment changes, improve the stability in use of adjustable base.
As shown in Figure 5, the projection display apparatus provided in the specific embodiment of the invention specifically comprises:
Projection arrangement 2, adjustable base 1, projection arrangement 2 is installed on the loading end of three microscope carriers 100 of the distribution triangular in shape that the rotary-tray 80 of adjustable base 1 is arranged.
In the position adjustment of the projection arrangement 2 of this projection display apparatus, drive the first translational tray 20 by adjusting the first driving mechanism 40, the position of projection arrangement 2 on first direction Y is adjusted; Drive the second translational tray 50 by adjusting the second driving mechanism 70, the position of projection arrangement 2 on second direction X is adjusted; By rotating rotary-tray 80, to projection arrangement 2 first direction Y and second direction X the anglec of rotation in the plane adjust; By adjusting three microscope carriers 100 along the height on third direction Z, the pitching/deflection angle of projection arrangement 2 is adjusted; Use this adjustable base 1 can carry out the position adjustment of projection arrangement 2 on the six-freedom degree of space, by the position adjustment in multiple degree of freedom to be aimed at projection screen by the projected picture of projection arrangement 2.This adjustable base is in course of adjustment without the need to lifting or the projection arrangement 2 of mobile projector display device, and its adjustment process is easy, and Adjustment precision is high.
Obviously, those skilled in the art can carry out various change and modification to the embodiment of the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. for an adjustable base for projection display apparatus, it is characterized in that, comprising:
Base;
First translational tray, is slidably matched by the first slide mechanism between described first translational tray and described base, can be installed on described base movably to make described first translational tray along first direction;
Drive the first driving mechanism of described first translational tray movement;
Be positioned at the second translational tray that described first translational tray deviates from described base side, be slidably matched by the second slide mechanism between described second translational tray and described first translational tray, to make described second translational tray can be installed on described first translational tray movably along second direction, described second direction is vertical with described first direction;
Drive the second driving mechanism of described second translational tray movement;
Be positioned at the rotary-tray that described second translational tray deviates from described first translational tray side, described rotary-tray is installed on described second translational tray by the first pivotal axis, and described first pivotal axis is perpendicular to described first direction and perpendicular to described second direction;
Be positioned at described rotary-tray and deviate from described second translational tray side and three microscope carriers of distribution triangular in shape, the side surface that each microscope carrier deviates from described rotary-tray forms a loading end, and microscope carrier described in each can be installed on described rotary-tray movably along the bearing of trend of described first pivotal axis.
2. adjustable base according to claim 1, is characterized in that:
Described first driving mechanism comprises the first threaded screw rod and the first nut, described first threaded screw rod is installed in described base and extends along described first direction, described first nut be fixed on described first translational tray and with described first threaded screw rod threaded engagement; And/or,
Described second driving mechanism comprises the second threaded screw rod and the second nut, described second threaded screw rod is installed in described first translational tray and extends along described second direction, described second nut be fixed on described second translational tray and with described second threaded screw rod threaded engagement.
3. adjustable base according to claim 2, is characterized in that, described first slide mechanism comprises the first guide rail and the first slide block that are slidably matched, and/or described second slide mechanism comprises the second guide rail and the second slide block that are slidably matched.
4. adjustable base according to claim 3, is characterized in that:
When described first driving mechanism comprises described first threaded screw rod and described first nut and described first slide mechanism comprises described first guide rail and described first slide block that are slidably matched, in described first slide mechanism: described first guide rail is two, two described first guide rails are arranged at described base; Article one, described first guide rail is positioned at the side of described first threaded screw rod, and another described first guide rail is positioned at the opposite side of described first threaded screw rod; The quantity of described first slide block is four, and described first slide block is fixed on described first translational tray, and each described first guide rail respectively first slide block described with two coordinates; And/or,
When described second driving mechanism comprises described second threaded screw rod and described second nut and described second slide mechanism comprises described second guide rail and described second slide block that are slidably matched, in described second slide mechanism: described second guide rail is two, two described second guide rails are arranged at described base; Article one, described second guide rail is positioned at the side of described second threaded screw rod, and another described second guide rail is positioned at the opposite side of described second threaded screw rod; The quantity of described second slide block is four, and described first slide block is fixed on described first translational tray, and each described second guide rail respectively second slide block described with two coordinates.
5. adjustable base according to claim 1, is characterized in that, also comprises:
For limiting first position-limit mechanism of described first translational tray relative to described base translating stroke;
For limiting second position-limit mechanism of described second translational tray relative to described first translational tray translating stroke.
6. adjustable base according to claim 5, it is characterized in that, described first translational tray is provided with the first limitting casing and the second limitting casing, described base is provided with convex the first spacing preiection to described first translational tray, described second translational tray is provided with convex the second spacing preiection to described first translational tray, wherein:
Described first spacing preiection to stretch in described first limitting casing and coordinates with described first limitting casing and forms described first position-limit mechanism;
Described second spacing preiection to stretch in described second limitting casing and coordinates with described second limitting casing and forms described second position-limit mechanism.
7. adjustable base according to claim 1, it is characterized in that, microscope carrier described in each comprises the inner thread device be connected with described rotary-tray, and the external thread device to be connected with described loading end, described external thread device and described inner thread device be connected and axis along the bearing of trend of described first pivotal axis.
8. adjustable base according to claim 7, is characterized in that, external thread device described in each is provided with the position locking mechanism for locking the displacement of described inner thread device on the bearing of trend along described first pivotal axis.
9. adjustable base according to claim 8, it is characterized in that, described position locking mechanism comprises, and being arranged on described inner thread device and running through the tapped through hole of described inner thread device side, the axes normal of described tapped through hole is in the axis of thread of described inner thread device; The second lock-screw coordinated with described tapped through hole, the termination of described second lock-screw can be torqued-up to the thread contact position with described external thread device.
10. the adjustable base according to any one of claim 1-9, is characterized in that, described adjustable base comprises the rotary locking mechanism for locking described rotary-tray rotary motion position.
11. adjustable bases according to claim 10, is characterized in that, described rotary locking mechanism comprises, the first gear be coaxially connected with described pivotal axis; With described first gears meshing and the second gear of being connected with described second translation stage of rotation center, and the spoke of described second gear is provided with the deep-slotted chip breaker that the center of circle overlaps with described second gear rotation center; The first lock-screw be threaded with the second translation stage, described first lock-screw is positioned at described deep-slotted chip breaker and screw head lower end can be torqued-up to the spoke contact position with described second gear.
12. 1 kinds of projection display apparatus, comprise projection arrangement, it is characterized in that, also comprise the adjustable base as described in any one of claim 1-11, on the loading end of three microscope carriers of the distribution triangular in shape that the rotary-tray that described projection arrangement is installed on described adjustable base is arranged.
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| CN201510455622.8A CN105093797B (en) | 2015-07-29 | 2015-07-29 | Adjustable pedestal for projection display equipment, and projection display equipment |
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| CN201510455622.8A CN105093797B (en) | 2015-07-29 | 2015-07-29 | Adjustable pedestal for projection display equipment, and projection display equipment |
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| CN105093797B CN105093797B (en) | 2017-02-01 |
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| WO2018209813A1 (en) * | 2017-05-17 | 2018-11-22 | 深圳市光峰光电技术有限公司 | Adjusting support and projector |
| CN109143759A (en) * | 2018-09-06 | 2019-01-04 | 海信集团有限公司 | A kind of pedestal and projection device of projection arrangement |
| CN110274129A (en) * | 2019-07-18 | 2019-09-24 | 四川长虹电器股份有限公司 | The electronic adjustment pedestal of projection display apparatus |
| WO2022041474A1 (en) * | 2020-08-27 | 2022-03-03 | 广景视睿科技（深圳）有限公司 | Projection device |
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| CN110274129A (en) * | 2019-07-18 | 2019-09-24 | 四川长虹电器股份有限公司 | The electronic adjustment pedestal of projection display apparatus |
| CN110274129B (en) * | 2019-07-18 | 2021-06-25 | 四川长虹电器股份有限公司 | Electric adjusting base of projection display equipment |
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