A kind of direction adjusting apparatus that is used for projector
Technical field
The utility model relates to projector, more particularly, relates to a kind of direction adjusting apparatus that is used for projector, the particularly a kind of device that can regulate to any direction that cooperates that short out-of-focus projection instrument uses.
Background technology
For the short out-of-focus projection machine that is used to cooperate electronic whiteboard to use,, need carry out angular adjustment to short out-of-focus projection instrument during installation because projection distance is short.Existing angular adjustment mode needs tool using, and complicated operation.Therefore need a kind of tool using and regulating device simple to operate of need not.
The utility model content
The technical problems to be solved in the utility model is, regulates the defective that needs use work and complicated operation at the projection angle of the above-mentioned projector of prior art, and a kind of tool using and direction adjusting apparatus that is used for projector simple to operate of need not is provided.
The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of direction adjusting apparatus that is used for projector, it is characterized in that, comprise universal ball end and projector fixture, described universal ball end comprises adjustable side and stiff end, wherein, described adjustable side links to each other with described projector fixture, and described stiff end is provided with the mechanism for installing that is used to install and fix described direction adjusting apparatus.
At the direction adjusting apparatus that is used for projector described in the utility model, described projector fixture comprises a terminal pad and at least three fixing feet, first end of described fixing feet links to each other with terminal pad, and second end is provided with the projector mounting hole that is used to connect projector.
At the direction adjusting apparatus that is used for projector described in the utility model, described terminal pad is circular, have along its circle distribution that the middle part from described first end to fixing feet is provided with second chute at least three first chutes, described fixing feet radially, described first chute is connected with second chute is overlapping, and by bolt, so that it is adjustable to the distance of described terminal pad outer edge to be positioned at the described projector mounting hole of fixing feet second end.
At the direction adjusting apparatus that is used for projector described in the utility model, the configuration of the length of described first chute, second chute and fixing feet makes described projector mounting hole adjustable in the 80-155mm scope to the distance of described terminal pad outer edge.
At the direction adjusting apparatus that is used for projector described in the utility model, the adjustable side of described universal ball end is provided with screw thread makes this adjustable side constitute bolt, the middle part of described terminal pad is provided with the bolt mounting holes that is used to connect described bolt, and the size of described bolt mounting holes and the size of described bolt are complementary.
At the direction adjusting apparatus that is used for projector described in the utility model, the middle part of described terminal pad is welded or be riveted in the adjustable side of described universal ball end.
At the direction adjusting apparatus that is used for projector described in the utility model, the mechanism for installing of described direction adjusting apparatus comprises mounting ear and is arranged on through hole on the described mounting ear that the diameter of described through hole is more than or equal to 5mm.
At the direction adjusting apparatus that is used for projector described in the utility model, being provided with on every side of described bolt mounting holes is used to prevent terminal pad anti-rotation catch around the universal ball end rotation when regulating.
At the direction adjusting apparatus that is used for projector described in the utility model, described fixing feet is 3 or 4, and the quantity of described first chute is 12.
At the direction adjusting apparatus that is used for projector described in the utility model, projector mounting hole on the described fixing feet is two, on the adjacent longitudinal centre line that is arranged on fixing feet, the diameter of one of them projector mounting hole is Φ 4 ± 0.01mm, and the diameter of another projector mounting hole is Φ 6 ± 0.01mm.
Implement the direction adjusting apparatus that is used for projector of the present utility model, have following beneficial effect: simple in structure, cost is low, and reduced the difficulty that projector is regulated to a great extent.Realize the simple adjustment mode of tool free, this direction adjusting apparatus can fixedly mount at an arbitrary position according to the view field that short out-of-focus projection instrument requires.It can not use any instrument, regulates the normal place of instrument view field of short out-of-focus projection easily with hand, have reliable, convenient, use advantages such as simple, accurate positioning.
Because the adjustable length of fixing feet makes this device that the projector of various sizes can be installed, versatility is good.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the stereographic map of universal ball end structure of the direction adjusting apparatus that is used for projector of the utility model one embodiment;
Fig. 2 is the stereographic map of projector anchor structure of the direction adjusting apparatus that is used for projector of the utility model one embodiment;
Fig. 3 A is the vertical view of universal ball end shown in Figure 1;
Fig. 3 B is the front view of universal ball end shown in Figure 1;
Fig. 4 A is the vertical view of projector fixture shown in Figure 2;
Fig. 4 B is the front view of projector fixture shown in Figure 2;
Fig. 4 C is the structural drawing according to the projector fixture of the direction adjusting apparatus that is used for projector of the utility model one embodiment, wherein indicates the key dimension of each parts;
Fig. 5 A is the direction adjusting apparatus that is used for projector of the utility model one embodiment and the integral installation figure of projector;
Fig. 5 B is the vertical view of the integral installation figure of direction adjusting apparatus that is used for projector shown in Fig. 5 A and projector, wherein shows three location statuss that rotate in X-Y plane;
Fig. 5 C is the front view of the integral installation figure of direction adjusting apparatus that is used for projector shown in Fig. 5 A and projector, wherein shows three location statuss that rotate in the X-Z plane;
Fig. 5 D is the right view of the integral installation figure of direction adjusting apparatus that is used for projector shown in Fig. 5 A and projector, wherein shows three location statuss that rotate in the Y-Z plane.
Embodiment
The direction adjusting apparatus that can regulate to any direction that the utility model design is a kind of to cooperate that the particularly short out-of-focus projection of projector instrument uses comprise universal ball end, projector fixture.Wherein the projector fixture is assembled to the adjustable side of universal ball end, and short out-of-focus projection instrument is fixed on the projector fixture.
Fig. 1 is the stereographic map of universal ball end 100 structures of the direction adjusting apparatus that is used for projector of the utility model one embodiment.As shown in Figure 1, universal ball end 100 comprises adjustable side 102 and stiff end 104.Stiff end is provided with the mechanism for installing that is used to install and fix direction adjusting apparatus, and in the present embodiment, this mechanism for installing comprises mounting ear 106 and the through hole 106a that is arranged on the mounting ear 106.In the utility model one embodiment, the diameter of through hole 106a is more than or equal to 5mm.In an embodiment of the present utility model, adjustable side 102 is provided with screw thread, thereby makes the adjustable side constitute a bolt 102a.
In the present embodiment, the universal ball end profile is the cucurbit shape, disposes two mounting ears, and each mounting ear is provided with two through holes that fixing whole direction adjusting apparatus position is used.The adjustable side can be regulated self-locking by the external force any direction and fix.But the utility model is not limited thereto.As is known to the person skilled in the art, for example mounting ear also can be that the quantity of other shapes, through hole also is not limited to two.Be any member of the stationkeeping of direction adjusting apparatus can be able to being applied on the direction adjusting apparatus of the present utility model.
Fig. 2 is the structural perspective of projector fixture 200 of the direction adjusting apparatus that is used for projector of the utility model one embodiment.As shown in Figure 2, projector fixture 200 comprises a terminal pad 202 and four fixing feet 204, and first end of fixing feet 204 links to each other with terminal pad 202, and second end is provided with projector mounting hole 204a, the 204a ' that is used to connect projector.
In the present embodiment, terminal pad 202 is circular, have along its circle distribution that the middle part from first end to fixing feet is provided with the second chute 204b on a plurality of first chute 202b, fixing feet radially, the first chute 202b is with second chute 204b is overlapping is connected, and can pass through bolt, so that it is adjustable to the distance of terminal pad outer edge to be positioned at projector mounting hole 204a, the 204a ' of fixing feet second end.
In addition, in the present embodiment, the middle part of terminal pad 202 is provided with the bolt mounting holes 202a of the bolt 102a that is used to connect the Universal-head adjustable side, and the size of this bolt mounting holes 202a and the size of bolt 102a are complementary.
Have, being provided with on every side of bolt mounting holes 202a is used to prevent terminal pad anti-rotation catch 202c around the universal ball end rotation when regulating again.
As seen from Figure 2, the projector mounting hole of the second end setting of fixing feet 204 has two, comprises the first projector mounting hole 204a and the second projector mounting hole 204a ', and both diameter differences are installed the projector that has different mounting hole sizes to cooperate.
Need to prove, though show among Fig. 2 the quantity of fixing feet be four, the utility model is not limited thereto.In other embodiments, the quantity of fixing feet also can be three, five or six etc.In addition, though what show among Fig. 2 is to couple together by the adjustable side of threaded shank with terminal pad and universal ball end, the utility model is not limited thereto.For example, can also the adjustable side of universal ball end be fixedly connected on the middle part of terminal pad by modes such as welding or riveted joints.Though the quantity of the projector mounting hole shown in Fig. 2 on each fixing feet is two, the utility model is not limited thereto.For example, a mounting hole can only be set, certainly, this configuration does not possess versatility yet.
For the universal ball end of more clearly showing the direction adjusting apparatus that is used for projector of the present utility model and the structure of projector fixture, give the vertical view (Fig. 3 A) of universal ball end shown in Figure 1 and the vertical view (Fig. 4 A) and the front view (Fig. 4 B) of front view (Fig. 3 B) and projector fixture.
Fig. 4 C is the structural drawing according to the projector fixture of the direction adjusting apparatus that is used for projector of the utility model one embodiment, wherein indicates the key dimension of each parts.Shown in Fig. 4 C, in this embodiment, in design, the diameter of circular terminal pad 202 is that the length of Φ 130 ± 0.01mm, the first chute 202b is that the diameter of 30 ± 0.01mm, bolt mounting holes 202a is Φ 14 ± 0.01mm; The length of fixing feet 204 is that the width of 124.45 ± 0.01mm, fixing feet 204 is 10 ± 0.01mm; Projector mounting hole on the fixing feet is two, and on the adjacent longitudinal centre line that is arranged on fixing feet, the diameter of one of them projector mounting hole 204a ' is Φ 4 ± 0.01mm, and the diameter of another projector mounting hole 204a is Φ 6 ± 0.01mm.。In an embodiment of the present utility model, the configuration of the length of first chute, second chute and fixing feet makes the projector mounting hole adjustable in the 80-155mm scope to the distance of terminal pad outer edge.
In the present embodiment, the quantity of first chute is 12, space 30 degree, and this is to have considered its versatility, for example can cooperate four fixing feet are installed, and also can cooperate three fixing feet or six fixing feet.But the utility model is not limited thereto, and three, four, five or six first chutes also can only be set, and is that this configuration does not possess versatility.In general, the quantity of first chute can equate with the quantity of fixing feet, or the multiple of the quantity of fixing feet.
Fig. 5 A is the direction adjusting apparatus that is used for projector of the utility model one embodiment and integral body 500 installations diagram of projector.
In use, with universal ball end 100 and 200 assemblings of projector fixture, universal ball end and projector fixation kit are locked earlier with instrument.Locking back projector fixture can not rotate (by the direction adjusting apparatus that welds or riveted and fixed is connected, can omit this step for universal ball end and projector).With projector 300 and the assembling of projector fixation kit, assembling back projector 300 becomes an integral body 500 with universal ball end 100, projector fixture 200 with instrument.Directly rotate projector, universal ball end just can rotate.Based on the very little characteristics of universal ball end kinetic force of friction, universal ball end can rotate adjusting very flexibly under active state, and projector is that central shaft can rotate (with reference to figure 5B to Fig. 5 D) in any direction with the adjustable side of universal ball end.Projector is transferred to after the ideal position, and based on the very big characteristics of universal ball end stiction, universal ball end under static state just can be in high friction lock state in a few minutes, makes universal ball end fix.
Fig. 5 B is the vertical view of the integral installation figure of direction adjusting apparatus that is used for projector shown in Fig. 5 A and projector, wherein shows three location status 501a, the 501b and the 501c that rotate in X-Y plane.
Fig. 5 C is the front view of the integral installation figure of direction adjusting apparatus that is used for projector shown in Fig. 5 A and projector, wherein shows three location status 501d, the 501e and the 501f that rotate in the X-Z plane.
Fig. 5 D is the right view of the integral installation figure of direction adjusting apparatus that is used for projector shown in Fig. 5 A and projector, wherein shows three location status 501g, the 501h and the 501i that rotate in the Y-Z plane.