阅读说明：本技术 投影仪梯形误差校正装置及其校正方法 (Projector trapezoidal error correction device and correction method thereof ) 是由 王环龙 孙明芳 仇仁刚 于 2021-08-09 设计创作，主要内容包括：本发明公开一种投影仪梯形误差校正装置及其校正方法,装置包括箱体、校正组件、连接机构,校正组件的表面连接有投影机,投影机的内侧开设有连接槽；连接机构包括连接板,校正组件的表面开设有调节槽,所述调节槽的表面固定连接有支撑板,支撑板的表面活动连接有螺杆,连接板的表面连接有螺套,连接板的表面活动连接有卡杆。本发明通过卡块和卡环的卡合连接,便于卡盘在卡槽内的连接位置固定,进而实现连接板在连接槽上的连接固定,从而达到对校正组件在连接槽内的整体安装固定,在抵板和压板的抵合连接下,实现压簧和校正组件的表面抵合,进而方便对校正组件在连接槽内连接位置的固定。(The invention discloses a projector trapezoidal error correction device and a correction method thereof, wherein the device comprises a box body, a correction assembly and a connecting mechanism, wherein the surface of the correction assembly is connected with a projector, and the inner side of the projector is provided with a connecting groove; the connecting mechanism comprises a connecting plate, an adjusting groove is formed in the surface of the correcting assembly, a supporting plate is fixedly connected to the surface of the adjusting groove, a screw rod is movably connected to the surface of the supporting plate, a threaded sleeve is connected to the surface of the connecting plate, and a clamping rod is movably connected to the surface of the connecting plate. According to the invention, the clamping connection of the clamping block and the clamping ring is adopted, so that the connection position of the chuck in the clamping groove is convenient to fix, and the connection and the fixation of the connecting plate on the connecting groove are further realized, thus the whole installation and the fixation of the correction assembly in the connecting groove are realized, under the abutting connection of the abutting plate and the pressing plate, the surface abutting connection of the pressure spring and the correction assembly is realized, and further the fixation of the connection position of the correction assembly in the connecting groove is convenient.)

1. A projector trapezoidal error correction apparatus, comprising:

the box body comprises a correction assembly (1), the surface of the correction assembly (1) is connected with a projector (12), and the inner side of the projector (12) is provided with a connecting groove (11);

the connecting mechanism comprises a connecting plate (2), an adjusting groove (21) is formed in the surface of the correcting assembly (1), a supporting plate (22) is fixedly connected to the surface of the adjusting groove (21), a screw rod (23) is movably connected to the surface of the supporting plate (22), a threaded sleeve (24) is connected to the surface of the connecting plate (2), and a clamping rod (25) is movably connected to the surface of the connecting plate (2);

the adjusting mechanism comprises a pressing plate (3), a movable block (31) is movably connected to the surface of the pressing plate (3), a supporting plate (32) penetrates through the surface of the projector (12), and a pressure spring (33) is fixedly connected to the surface of the pressing plate (3).

2. The projector trapezoidal error correction apparatus according to claim 1, characterized in that: the adjusting grooves (21) are connected to the surface of the correcting component (1) in two groups, the number of each group of adjusting grooves (21) is two, and the connecting plate (2) is correspondingly connected with the adjusting grooves (21).

3. The projector trapezoidal error correction apparatus according to claim 1, characterized in that: the supporting plate (22) is fixed on the surface of the adjusting groove (21) in a plate shape, the connecting plate (2) is rotatably connected with the screw rod (23) through a threaded sleeve (24), and the clamping rod (25) is in a rod shape and is connected to the inner side of the connecting plate (2) in a penetrating mode.

4. The projector trapezoidal error correction apparatus according to claim 1, characterized in that: bottom fixedly connected with chuck (26) of kelly (25), the fixed surface of chuck (26) is connected with fixture block (27), draw-in groove (28) have been seted up on the surface of connecting groove (11), the surface of draw-in groove (28) is connected with spout (29), snap ring (210) have been seted up to the inboard of draw-in groove (28).

5. The projector trapezoidal error correction apparatus according to claim 4, characterized in that: the fixture block (27) is connected on the surface of the chuck (26) in two groups, the fixture block (27) is connected with the sliding groove (29) in a sliding mode, the clamping ring (210) is connected on the surface of the clamping groove (28) in an annular groove shape, and the sliding groove (29) is connected on the surface of the clamping ring (210).

6. The projector trapezoidal error correction apparatus according to claim 1, characterized in that: the pressing plate (32) is connected to the surface of the pressing plate (3) in a plate shape, the movable block (31) is rotatably connected with the pressing plate (3) through a rotating rod, and the pressure springs (33) are connected to the bottom end of the surface of the pressing plate (3) in two groups.

7. A correction method of a shadow instrument trapezoidal error correction device is characterized by comprising the following steps: the correction method comprises the following steps:

s1, the connection board is connected with the adjusting groove in a sliding way, and the correction component is connected and fixed in the projector under the action of the projector and the connecting groove;

s1, under the action of the supporting plate and the screw rod, the position of the connecting plate in the adjusting groove is convenient to adjust through the rotary connection of the screw rod and the screw sleeve,

s3, the chuck is convenient to connect and fix on the connecting plate under the connecting action of the chuck and the clamping rod through the connection of the clamping rod and the connecting plate, and the chuck and the clamping groove are connected and fixed under the rotary connection of the chuck and the clamping ring through the connection of the clamping block and the sliding groove, so that the connecting plate is connected and fixed on the connecting groove;

s4, the movable block is fixedly connected with the projector through the rotary connection of the pressure plate and the movable block, and the action angle of the pressure plate in the connecting groove is convenient to change under the action of the movable block;

s5, through the connection between the abutting plate and the projector, under the abutting connection between the abutting plate and the pressing plate, the abutting fixation of the pressure spring on the correcting component is facilitated, and further the fixation of the connecting position of the correcting component on the connecting groove is realized.

Technical Field

The invention relates to the technical field of projectors, in particular to a projector trapezoidal error correction device and a projector trapezoidal error correction method.

Background

In the daily use of the projector, the position of the projector is as far as possible perpendicular to the projection screen to ensure the projection effect, and if the perpendicularity of the projector and the projection screen cannot be ensured, the picture can generate a trapezoid.

The trapezoidal correction usually has two methods, optical trapezoidal correction and digital trapezoidal correction respectively, optical trapezoidal correction means that the purpose of adjusting the trapezoidal is reached through the physical position of adjustment camera lens, but when using current trapezoidal error correction equipment, the installation of its equipment in the projector is inconvenient, easily cause not hard up of connection, when dismantling the change to it, comparatively inconvenient, and the fixed inconvenience in position of equipment in the projector, easily cause the change of hookup location, influence the error correction effect, therefore need to design the trapezoidal error correction device of projector and solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to provide a projector trapezoidal error correction device and a correction method thereof, and aims to solve the problems that equipment proposed in the background art is inconvenient to mount in a projector, easy to cause connection looseness, and inconvenient to detach and replace.

In order to achieve the above object, the present invention provides a technical solution,

projector trapezoidal error correction apparatus comprising:

the box body comprises a correction assembly, the surface of the correction assembly is connected with a projector, and the inner side of the projector is provided with a connecting groove;

the connecting mechanism comprises a connecting plate, the surface of the correcting component is provided with an adjusting groove, the surface of the adjusting groove is fixedly connected with a supporting plate, the surface of the supporting plate is movably connected with a screw rod, the surface of the connecting plate is connected with a threaded sleeve, and the surface of the connecting plate is movably connected with a clamping rod;

the adjusting mechanism comprises a pressing plate, a movable block is movably connected to the surface of the pressing plate, a supporting plate penetrates through the surface of the projector, and a pressure spring is fixedly connected to the surface of the pressing plate.

Preferably, the adjustment tank is two sets of connections on the surface of correction subassembly, and the quantity of every group adjustment tank is two, connecting plate and adjustment tank correspond and connect.

Preferably, the supporting plate is fixed on the surface of the adjusting groove in a plate shape, the connecting plate is rotatably connected with the screw rod through the threaded sleeve, and the clamping rod is in a rod shape and is connected to the inner side of the connecting plate in a penetrating mode.

Preferably, the bottom fixedly connected with chuck of kelly, the fixed surface of chuck is connected with the fixture block, the draw-in groove has been seted up on the surface of spread groove, the surface of draw-in groove is connected with the spout, the snap ring has been seted up to the inboard of draw-in groove.

Preferably, the fixture block is two sets of surfaces of connecting at the chuck, fixture block and spout sliding connection, the snap ring is the surface at the draw-in groove of ring slot shape connection, the spout is connected on the surface of snap ring.

Preferably, the abutting plate is connected to the surface of the pressing plate in a plate shape, the movable block is rotatably connected with the pressing plate through a rotating rod, and the pressure springs are connected to the bottom end of the surface of the pressing plate in two groups.

In addition, the invention also provides a correction method of the shadow instrument trapezoidal error correction device, which comprises the following steps:

s1, the connection board is connected with the adjusting groove in a sliding way, and the correction component is connected and fixed in the projector under the action of the projector and the connecting groove;

s1, under the action of the supporting plate and the screw rod, the position of the connecting plate in the adjusting groove is convenient to adjust through the rotary connection of the screw rod and the screw sleeve,

s3, the chuck is convenient to connect and fix on the connecting plate under the connecting action of the chuck and the clamping rod through the connection of the clamping rod and the connecting plate, and the chuck and the clamping groove are connected and fixed under the rotary connection of the chuck and the clamping ring through the connection of the clamping block and the sliding groove, so that the connecting plate is connected and fixed on the connecting groove;

s4, the movable block is fixedly connected with the projector through the rotary connection of the pressure plate and the movable block, and the action angle of the pressure plate in the connecting groove is convenient to change under the action of the movable block;

s5, through the connection between the abutting plate and the projector, under the abutting connection between the abutting plate and the pressing plate, the abutting fixation of the pressure spring on the correcting component is facilitated, and further the fixation of the connecting position of the correcting component on the connecting groove is realized.

Compared with the prior art, the invention has the beneficial effects that:

the installation of the equipment that provides in the background art in the projecting apparatus is inconvenient, easily causes the not hard up of connection, when dismantling the change to it, comparatively inconvenient problem can be solved. The trapezoidal error correction device of the projector is convenient to disassemble and replace, the position of equipment in the projector is convenient to fix, and the error correction effect is good.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is an exploded view of the coupling structure of the coupling plate and the coupling groove of FIG. 1 according to the present invention;

fig. 4 is an exploded view of the connection structure of the pressing plate and the pressing plate in fig. 1 according to the present invention.

In the figure: 1. a correction component; 11. connecting grooves; 12. a projector; 2. a connecting plate; 21. an adjustment groove; 22. A support plate; 23. a screw; 24. a threaded sleeve; 25. a clamping rod; 26. a chuck; 27. a clamping block; 28. a card slot; 29. A chute; 210. a snap ring; 3. pressing a plate; 31. a movable block; 32. a resisting plate; 33. and (5) pressing a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown:

projector trapezoidal error correction apparatus comprising:

the box body comprises a correction component 1, the surface of the correction component 1 is connected with a projector 12, the inner side of the projector 12 is provided with a connecting groove 11, and the correction component 1 is connected and fixed in the projector 12 through the connection of the connecting groove 11 and the projector 12 under the connection of the correction component 1 and the connecting groove 11;

the connecting mechanism comprises a connecting plate 2, an adjusting groove 21 is formed in the surface of the correcting assembly 1, a supporting plate 22 is fixedly connected to the surface of the adjusting groove 21, a screw rod 23 is movably connected to the surface of the supporting plate 22, a threaded sleeve 24 is connected to the surface of the connecting plate 2, a clamping rod 25 is movably connected to the surface of the connecting plate 2, and the connecting position of the connecting plate 2 in the adjusting groove 21 can be changed conveniently under the action of the supporting plate 22 and the screw rod 23 through the connection of the connecting plate 2 and the adjusting groove 21;

adjustment mechanism, including clamp plate 3, the surperficial swing joint of clamp plate 3 has movable block 31, and the surface through connection of projector 12 has to support board 32, and the fixed surface of clamp plate 3 is connected with pressure spring 33, through the connection of clamp plate 3 and movable block 31, under the effect of movable block 31, is convenient for change the angle of connection of clamp plate 3 in spread groove 11.

Further, the adjustment tank 21 is two sets of surfaces of connecting at correction subassembly 1, and the quantity of every group adjustment tank 21 is two, and connecting plate 2 and adjustment tank 21 correspond and connect, through the sliding connection of adjustment tank 21 and connecting plate 2, under the effect of connecting plate 2, be convenient for install fixedly the position of correction subassembly 1 in spread groove 11.

Furthermore, the supporting plate 22 is fixed on the surface of the adjusting groove 21 in a plate shape, the connecting plate 2 is rotatably connected with the screw 23 through the threaded sleeve 24, the clamping rod 25 is in a rod shape and is connected with the inner side of the connecting plate 2 in a penetrating manner, the position of the connecting plate 2 in the adjusting groove 21 is changed conveniently under the action of the screw 23 and the threaded sleeve 24 through the connection of the supporting plate 22 and the adjusting groove 21, and the connecting plate 2 is connected and fixed on the connecting groove 11 conveniently through the connection of the clamping rod 25 and the connecting plate 2.

Further, the bottom end of the clamping rod 25 is fixedly connected with the chuck 26, the surface of the chuck 26 is fixedly connected with the clamping block 27, the surface of the connecting groove 11 is provided with the clamping groove 28, the surface of the clamping groove 28 is connected with the sliding groove 29, the inner side of the clamping groove 28 is provided with the clamping ring 210, and the clamping block 26 is connected with the clamping block 27 through the sliding connection of the chuck 26 and the sliding groove 29, so that the clamping block 26 is fixedly connected in the clamping groove 28.

Further, the fixture block 27 is two sets of surfaces of connecting at the chuck 26, fixture block 27 and spout 29 sliding connection, snap ring 210 is the surface of ring groove connection at draw-in groove 28, spout 29 is connected on the surface of snap ring 210, through the connection of chuck 26 and kelly 25, under the joining action of draw-in groove 28 and spread groove 11, be convenient for to connecting plate 2 connection on spread groove 11 fixed, connect through the rotation block of fixture block 27 and snap ring 210, it is fixed to realize rectifying the connection of subassembly 1 on spread groove 11.

Further, support the board 32 and be the surface of platelike connection at clamp plate 3, movable block 31 and clamp plate 3 rotate through the bull stick and connect, and pressure spring 33 is two sets of connections in the surperficial bottom of clamp plate 3, and through supporting the through connection of board 32 and projector 12, under the connection of closing of supporting of board 32 and clamp plate 3, be convenient for to clamp plate 3 and pressure spring 33 connection on correcting component 1 fixed, realize correcting component 1 rigidity on spread groove 11.

The working principle is as follows: during the use, through the connection of correction subassembly 1 and spread groove 11, under the effect of projector 12 and spread groove 11, be convenient for the connection of correction subassembly 1 in projector 12 fixed, through the sliding connection of connecting plate 2 and adjustment tank 21, under the effect of backup pad 22 and screw rod 23, through the rotation of screw rod 23 and swivel nut 24 and connect, be convenient for adjust the position of connecting plate 2 in adjustment tank 21, through the connection of kelly 25 and connecting plate 2, under the connection effect of chuck 26 and kelly 25, be convenient for to the connection of chuck 26 on connecting plate 2 fixed, through the connection of fixture block 27 and spout 29, under the rotation of fixture block 27 and snap ring 210 is connected, realize the connection of chuck 26 and draw-in groove 28 fixed, and then reach connecting plate 2 and connect fixed effect on spread groove 11.

Through the rotation connection of clamp plate 3 and movable block 31, movable block 31 and projector 12 fixed connection, under the effect of movable block 31, be convenient for change the effect angle of clamp plate 3 in spread groove 11, through the connection of supporting board 32 and projector 12, under the connection of supporting board 32 and clamp plate 3, the support of the pressure spring 33 of being convenient for on correction component 1 closes fixedly, and then realizes that correction component 1 hookup location's is fixed on spread groove 11, and is comparatively practical.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.