CN220647603U - Device for calibrating left trapezoid and right trapezoid - Google Patents
Device for calibrating left trapezoid and right trapezoid Download PDFInfo
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- CN220647603U CN220647603U CN202322220040.4U CN202322220040U CN220647603U CN 220647603 U CN220647603 U CN 220647603U CN 202322220040 U CN202322220040 U CN 202322220040U CN 220647603 U CN220647603 U CN 220647603U
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- trapezoid
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- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a device for calibrating a left trapezoid and a right trapezoid, and belongs to the technical field of projectors. An apparatus for calibrating a left trapezoid and a right trapezoid, comprising a base, further comprising: the projector comprises a projector body, a base, a bearing plate, a driving block, a connecting rod, a rotating seat II, a connecting rod and a driving block, wherein one end of the bearing plate is rotatably connected to the base; the base is rotationally connected with a screw rod, the screw rod is in threaded connection with the driving block, and the base is provided with a driving part for driving the screw rod to rotate; according to the utility model, one end of the bearing plate is rotationally connected to the base, the screw is used for driving the bearing plate to rotate around the rotation shaft of the first rotating seat, so that the angle adjustment of the bearing plate can be realized, the adjustment is convenient, the adjustment precision is high, the adjustment efficiency is improved, the integral movement is facilitated, and the use effect is improved.
Description
Technical Field
The utility model relates to the technical field of projectors, in particular to a device for calibrating left and right trapezoids.
Background
During use of the projector, the following often occurs: because of the change of the placement position of the projector or the change of the projection environment, the position of the projector is not perpendicular to the projection curtain, so that the keystone distortion of a projection picture is generated, the projection picture is distorted, and the user experience is affected. Therefore, the trapezoidal correction function of the projector is particularly important. The existing adjusting device has physical adjustment and software adjustment, wherein the physical adjustment is to trim the projection angle by changing the position of the projector.
The existing trapezoidal correction device is simple in structure, the angle of the projector is changed by usually placing the cushion block with an angle below the projector, the adjustment precision is low, the fixing effect is poor, the adjustment efficiency is low, and the use experience is affected.
Disclosure of Invention
The utility model aims to solve the problems of low adjustment precision and long adjustment time in the prior art, and provides a device for calibrating a left trapezoid and a right trapezoid.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a device to trapezoidal calibration about, includes the base, the base is provided with the projecting apparatus body, still includes: one end of the projector body is rotationally connected with the bearing plate on the base, the projector body is fixedly connected with the bearing plate through the connecting part, the base is connected with the driving block in a sliding manner, the bearing plate is fixedly connected with the rotating seat II, and the driving block is rotationally connected with the rotating seat II through the connecting rod; the base is rotationally connected with a screw, the screw is in threaded connection with the driving block, and the base is provided with a driving part for driving the screw to rotate.
In order to ensure reliable sliding of the driving block, preferably, the base is provided with a guide groove, and the bottom of the driving block is slidably connected in the guide groove.
In order to drive the bearing plate to rotate, further, the driving part comprises fixing seats respectively fixedly connected with two ends of the base, wherein two groups of fixing seats are internally and respectively rotatably connected with rotating shafts, two ends of the screw rod are respectively and fixedly connected with the rotating shafts, and one group of rotating shafts extend out of the fixing seats and are fixedly connected with adjusting discs.
In order to prevent the position of the bearing plate from changing after the adjustment is completed, further, a stud is connected to the adjusting disc in a threaded manner, one end of the stud is fixedly connected with an adjusting head, and the other end of the stud abuts against the fixing seat.
Preferably, the connecting portion comprises a supporting leg fixedly connected to the bottom of the projector body, wherein the shaft section of the supporting leg is T-shaped, a mounting groove corresponding to the supporting leg is formed in the bearing plate, a baffle is connected to the opening of the mounting groove through a bolt, an extension plate is fixedly connected to the baffle, and one end, away from the baffle, of the extension plate abuts against the supporting leg.
Preferably, a first rotating seat is fixedly connected to one end of the bearing plate, and one end, far away from the bearing plate, of the first rotating seat is rotatably connected with one end of the base.
Compared with the prior art, the utility model provides a device for calibrating a left trapezoid and a right trapezoid, which has the following beneficial effects:
1. according to the device for calibrating the left trapezoid and the right trapezoid, the screw is driven to rotate by the rotating adjusting disc, the screw drives the driving block to slide along the guide groove, the bearing plate can be driven to rotate around the rotating shaft of the first rotating seat, the angle adjustment of the bearing plate is realized, the adjustment is convenient, the fixation is reliable, and the screw is adopted for driving, so that the adjustment precision can be improved;
2. this device to trapezoidal calibration about, through seting up the mounting groove on the loading board, be convenient for install the stabilizer blade of projecting apparatus body in the mounting groove, then adopt the baffle to restrict the stabilizer blade in the mounting groove, prevent to rock in the adjustment process or when shifting, the projecting apparatus body takes place to rock, influences the result of use.
The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, one end of the bearing plate is rotationally connected to the base, the screw is utilized to drive the bearing plate to rotate around the rotation shaft of the first rotating seat, the angle adjustment of the bearing plate can be realized, the adjustment is convenient, the adjustment precision is high, the adjustment efficiency is improved, the integral movement is convenient, and the use effect is improved.
Drawings
Fig. 1 is a schematic structural diagram of a device for calibrating a left trapezoid and a right trapezoid according to the present utility model;
FIG. 2 is a schematic diagram of a device for calibrating left and right trapezoids according to the present utility model;
fig. 3 is a schematic structural diagram III of a device for calibrating left and right trapezoids according to the present utility model;
fig. 4 is a schematic structural diagram of a device baffle for left and right trapezoid calibration according to the present utility model.
In the figure: 1. a base; 101. a guide groove; 102. a fixing seat; 2. a screw; 201. a rotating shaft; 202. an adjusting plate; 203. a driving block; 204. a stud; 3. a carrying plate; 301. a first rotating seat; 302. a second rotating seat; 303. a connecting rod; 304. a mounting groove; 305. a threaded hole; 4. a projector body; 401. a support leg; 5. a baffle; 501. an extension plate; 502. a rubber pad; 503. and a through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Examples:
referring to fig. 1-4, a device for calibrating left and right trapezoids comprises a base 1, wherein a plurality of groups of mounting holes and fixing grooves are formed in the base 1, and when in use, the base 1 can be fixedly connected to a turntable capable of rotating by 360 degrees, so that further adjustment is facilitated, and the use effect is improved. The projector comprises a bearing plate 3 rotationally connected to one end of a base 1, a projector body 4 is fixedly connected to the bearing plate 3 through a connecting part, a guide groove 101 is formed in the base 1, the bottom of a driving block 203 is slidingly connected to the guide groove 101, reliable sliding of the driving block 203 can be ensured, a first rotating seat 301 and a second rotating seat 302 are fixedly connected to the bearing plate 3, the first rotating seat 301 is positioned at one end of the bottom of the bearing plate 3, one end of the first rotating seat 301 far away from the bearing plate 3 is rotationally connected with one end of the base 1, the second rotating seat 302 is positioned at a position close to the middle of the bottom of the bearing plate 3, a connecting rod 303 is rotationally connected to the second rotating seat 302, and one end of the connecting rod 303 far away from the second rotating seat 302 is rotationally connected to the driving block 203; the screw rod 2 is rotationally connected to the base 1, the screw rod 2 is in threaded connection with the driving block 203, and a driving part for driving the screw rod 2 to rotate is arranged on the base 1, when the digital display inclinometer is used, the driving part is started to rotate with the screw rod 2, the rotating screw rod 2 can slide along the guide groove 101 with the driving block 203, in the sliding process, the driving block 203 pushes the bearing plate 3 to rotate around the rotating shaft of the rotating seat 301 through the connecting rod 303, the digital display inclinometer is fixedly connected to the bearing plate 3, the included angle between the current bearing plate 3 and the base 1 can be displayed, and the digital display inclinometer is of the prior art, so that the adjusting precision can be improved.
When the device is used, the screw rod 2 is driven to slide along the guide groove 101 by rotating the adjusting disc 202 and the screw rod 2, so that the bearing plate 3 can be driven to rotate around the rotating shaft of the first rotating seat 301, the angle adjustment of the bearing plate 3 is realized, the adjustment is convenient, the fixation is reliable, and the adjustment precision can be improved by adopting the screw rod 2 for driving; through seting up mounting groove 304 on loading board 3, be convenient for install stabilizer blade 401 of projector body 4 in mounting groove 304, then adopt baffle 5 to restrict stabilizer blade 401 in mounting groove 304, prevent that projector body 4 from taking place to rock in the adjustment process or when shifting, influence result of use.
Referring to fig. 1-3, when in use, the motor can be used to drive the screw rod 2 to rotate, and the air cylinder, the electric telescopic cylinder and the like can be used to drive the bearing plate 3 to swing, so as to realize angle adjustment, and the driving part is designed as follows according to actual use conditions: the two ends of the base 1 are fixedly connected with the fixing seats 102 respectively, the rotating shafts 201 are rotationally connected in the two groups of fixing seats 102, the two ends of the screw 2 are fixedly connected with the two groups of rotating shafts 201 respectively, the axes of the rotating shafts 201 and the screw 2 are coincident, the adjusting disc 202 is fixedly connected on the rotating shaft 201 on one group of fixing seats 102, when the screw is used, the screw 2 can be rotated by screwing the adjusting disc 202, the screw 2 can slide in the guide groove 101 by carrying the driving block 203, and then the bearing plate 3 is pushed to rotate by the connecting rod 303, so that the operation is simple, and the adjusting precision is high.
Referring to fig. 1 and 3, a stud 204 is screwed on the adjusting plate 202, an adjusting head is fixedly connected to one end of the stud 204, the other end of the stud 204 abuts against the fixed seat 102 close to the adjusting plate 202, when the angle adjustment of the bearing plate 3 is completed in use, the adjusting head is screwed to rotate with the stud 204, so that the stud 204 abuts against the fixed seat 102, and the bearing plate 3 can be prevented from sliding downwards due to the action of gravity and affecting use in the use process.
Referring to fig. 3 and 4, here we design the connection as: the bottom of the projector body 4 is fixedly connected with the support legs 401, four groups of support legs 401 are preferably symmetrically arranged at the bottom of the projector body 4, the shaft sections of the four groups of support legs 401 are T-shaped, the bearing plate 3 is provided with the mounting grooves 304 corresponding to the support legs 401, the opening of the mounting grooves 304 is provided with the baffle plates 5 connected with bolts, the baffle plates 5 are fixedly connected with the extension plates 501, the extension plates 501 are fixedly connected with the rubber pads 502, one ends of the rubber pads 502, which are far away from the extension plates 501, are propped against the support legs 401, the baffle plates 5 are provided with through holes 503, the opening of the mounting grooves 304 is provided with threaded holes 305, bolts penetrate through the through holes 503 and are in threaded connection with the threaded holes 305, the baffle plates 5 are fixed at the opening of the mounting grooves 304, when the projector is fixed, the two groups of support legs 401 at the rear of the projector are propped against the right inner wall of the mounting grooves 304, and the two groups of support legs 401 at the front are propped against the rubber pads 502, so that the projector body 4 can be fixed in the mounting grooves 304, the fixing effect is reliable, the mounting and dismounting is convenient, and the rubber pads 502 have a certain shrinkage effect, and the damage to the support legs 401 can be prevented from influencing the use effect.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. Device to trapezoidal calibration about, including base (1), base (1) are provided with projecting apparatus body (4), and its characterized in that still includes:
a bearing plate (3) with one end rotatably connected to the base (1),
the projector comprises a projector body (4), a base (1) and a connecting part, wherein the projector body is fixedly connected to the bearing plate (3) through the connecting part, a driving block (203) is connected to the base (1) in a sliding manner, a second rotating seat (302) is fixedly connected to the bearing plate (3), and the driving block (203) is rotationally connected with the second rotating seat (302) through a connecting rod (303);
the base (1) is rotationally connected with a screw (2), the screw (2) is in threaded connection with the driving block (203), and a driving part for driving the screw (2) to rotate is arranged on the base (1).
2. The device for right and left trapezoid calibration according to claim 1, wherein the base (1) is provided with a guide groove (101), and the bottom of the driving block (203) is slidably connected in the guide groove (101).
3. A device for right and left trapezoid calibration according to claim 2, wherein the driving part includes
Fixing seats (102) respectively and fixedly connected with the two ends of the base (1),
the two groups of fixing seats (102) are internally and respectively connected with a rotating shaft (201) in a rotating way, two ends of the screw rod (2) are respectively and fixedly connected with the rotating shafts (201), and one group of rotating shafts (201) extend out of the fixing seats (102) and are fixedly connected with an adjusting disc (202).
4. A device for right and left trapezoid calibration according to claim 3, wherein the adjusting disc (202) is in threaded connection with a stud (204), one end of the stud (204) is fixedly connected with an adjusting head, and the other end of the stud (204) abuts against the fixing seat (102).
5. A device for right and left trapezoid alignment according to claim 1, wherein the connection portion comprises
A support leg (401) fixedly connected to the bottom of the projector body (4),
the support leg (401) is T-shaped in axial section, a mounting groove (304) corresponding to the support leg (401) is formed in the bearing plate (3), a baffle (5) is connected to the opening of the mounting groove (304) through a bolt, an extension plate (501) is fixedly connected to the baffle (5), and one end, away from the baffle (5), of the extension plate (501) abuts against the support leg (401).
6. The device for right and left trapezoid calibration according to claim 1, wherein a first rotating seat (301) is fixedly connected to one end of the bearing plate (3), and one end of the first rotating seat (301) away from the bearing plate (3) is rotatably connected with one end of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322220040.4U CN220647603U (en) | 2023-08-17 | 2023-08-17 | Device for calibrating left trapezoid and right trapezoid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322220040.4U CN220647603U (en) | 2023-08-17 | 2023-08-17 | Device for calibrating left trapezoid and right trapezoid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220647603U true CN220647603U (en) | 2024-03-22 |
Family
ID=90290402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322220040.4U Active CN220647603U (en) | 2023-08-17 | 2023-08-17 | Device for calibrating left trapezoid and right trapezoid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220647603U (en) |
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2023
- 2023-08-17 CN CN202322220040.4U patent/CN220647603U/en active Active
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