CN210739918U - Projection equipment for advanced education step classroom - Google Patents
Projection equipment for advanced education step classroom Download PDFInfo
- Publication number
- CN210739918U CN210739918U CN201921864469.4U CN201921864469U CN210739918U CN 210739918 U CN210739918 U CN 210739918U CN 201921864469 U CN201921864469 U CN 201921864469U CN 210739918 U CN210739918 U CN 210739918U
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- China
- Prior art keywords
- projector
- plate
- guide
- mounting box
- supporting plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a projection device of advanced education stair classroom, which comprises a projector mounting box, wherein a projector is arranged in the projector mounting box, a transverse supporting plate is fixed at the top of the projector, the end part of the transverse supporting plate is hinged with a longitudinal supporting plate, the end part of the longitudinal supporting plate is fixedly connected with the projector mounting box, an angle adjusting cylinder is obliquely arranged at the top of the projector mounting box, and the angle adjusting cylinder is connected with the transverse supporting plate at the bottom of the projector through an angle adjusting mechanism; the projector mounting box comprises a top plate, a bottom plate and side plates, the longitudinal supporting plate and the angle adjusting cylinder are fixed on the top plate of the projector mounting box, and the bottom plate and the side plates of the projector mounting box are connected with a suspension supporting mechanism. The size of the throwing angle of the projector is changed through the telescopic stroke of the angle adjusting cylinder, so that the operation is convenient; the horizontal projection position of the projector is controllable and convenient to adjust.
Description
Technical Field
The utility model relates to a projection equipment in higher education stair classroom.
Background
In education fields such as university, the ladder classroom often can be used, ladder classroom area is big, the accommodation number is many, but its biggest characteristics lie in that its floor is the echelonment and rises gradually, it is farther away from the podium, ground is higher, thereby the seat is just higher, just so make and keep away from the podium, student behind the seat can clearly see blackboard and podium, and can not be blocked the sight by the front-seat student, school adopts projector equipment to demonstrate that imparts knowledge to students, for the convenience of teacher lecture, the ladder classroom generally can adopt projector equipment to carry out courseware direct projection show, there is the inconvenient and uncontrollable problem of projection horizontal position of angle modulation when present traditional projector equipment uses, this patent carries out the institutional advancement to above problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a projection equipment in higher education stair classroom in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a projection device for a higher education stair classroom comprises a projector mounting box, wherein a projector is arranged in the projector mounting box, a transverse supporting plate is fixed at the top of the projector, the end part of the transverse supporting plate is hinged with a longitudinal supporting plate, the end part of the longitudinal supporting plate is fixedly connected with the projector mounting box, an angle adjusting cylinder is obliquely arranged at the top of the projector mounting box and is connected with the transverse supporting plate at the bottom of the projector through an angle adjusting mechanism;
the projector mounting box comprises a top plate, a bottom plate and a side plate, the longitudinal supporting plate and the angle adjusting cylinder are fixed on the top plate of the projector mounting box, and the bottom plate and the side plate of the projector mounting box are connected with the suspension supporting mechanism;
hang supporting mechanism including the board that hangs that is the L type, hang the bottom plate and the curb plate that the board passes through bolt and projecting apparatus mounting box and be connected, hang the top fixed connection mounting panel of board, the surface of mounting panel is equipped with a plurality of guide blocks, through bolt installation fixed guide on the ceiling in ladder classroom, fixed guide's bottom is equipped with a plurality of guide ways, the guide block on mounting panel surface is located the guide way.
Further, angle adjustment mechanism is including setting up the direction adjustment tank and the sliding block of block in the direction adjustment tank in horizontal backup pad bottom, the sliding block with the tip of the cylinder pole of angle modulation cylinder is articulated.
Furthermore, a plurality of guide grooves on the fixed guide rail are arranged at equal intervals.
Furthermore, the guide block and the mounting plate are integrally formed, the section of the guide block is in the shape of a water drop arc, and the section of the guide groove is matched with the guide block.
Further, the guide groove extends in the longitudinal direction of the fixed rail.
The utility model has the advantages that: when the projection equipment is used, a cylinder rod of the angle adjusting cylinder extends out, the angle adjusting cylinder drives the sliding block to move in the guide adjusting groove, the moving sliding block supports the transverse supporting plate and drives the transverse supporting plate to rotate by a certain angle, the transverse supporting plate which rotates by a certain angle lifts up the projector by a certain angle, so that the throwing angle of the projector is controlled, the size of the throwing angle is changed through the telescopic stroke of the angle adjusting cylinder, and the operation is convenient;
in addition, a bottom plate and a side plate of the projector mounting box are connected with a suspension supporting mechanism; hang supporting mechanism including the board that hangs that is the L type, hang the bottom plate and the curb plate that the board passes through bolt and projecting apparatus mounting box and be connected, hang the top fixed connection mounting panel of board, the surface of mounting panel is equipped with a plurality of guide blocks, through bolt installation fixed guide on the ceiling in ladder classroom, fixed guide's bottom is equipped with a plurality of guide slots, the guide block on mounting panel surface is located the guide slot, projecting apparatus installation back, if the horizontal projection position of projecting apparatus needs to be adjusted, can lateral shifting hang the board, hang the in-process of board lateral shifting, the guide block removes in the guide slot, it is stable to guarantee to hang board lateral shifting, hang after board lateral shifting arrives new position, new position is the new projection position of projecting apparatus promptly, the horizontal projection position of projecting apparatus is controllable and the regulation is convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the suspension support mechanism of the present invention.
Detailed Description
As shown in fig. 1 and fig. 2, a projection device for an advanced education stair classroom comprises a projector mounting box 1, wherein a projector 2 is arranged in the projector mounting box 1, a transverse support plate 3 is fixed at the top of the projector 2, the end part of the transverse support plate 3 is hinged with a longitudinal support plate 4, the end part of the longitudinal support plate 4 is fixedly connected with the projector mounting box 1, an angle adjusting cylinder 5 is obliquely arranged at the top of the projector mounting box 1, and the angle adjusting cylinder 5 is connected with the transverse support plate 3 at the bottom of the projector through an angle adjusting mechanism;
the projector mounting box 1 comprises a top plate 6, a bottom plate 7 and a side plate 8, a longitudinal support plate 4 and an angle adjusting cylinder 5 are fixed on the top plate 6 of the projector mounting box, and the bottom plate 7 and the side plate 8 of the projector mounting box are connected with a suspension support mechanism;
the suspension supporting mechanism comprises a suspension plate 9 in an L shape, the suspension plate 9 is connected with a bottom plate 7 and a side plate 8 of a projector mounting box through bolts 10, the top of the suspension plate 9 is fixedly connected with a mounting plate 11, a plurality of guide blocks 12 are arranged on the surface of the mounting plate 11, a fixed guide rail 15 is mounted on a ceiling 13 of a ladder classroom through bolts 14, a plurality of guide grooves 16 are arranged at the bottom of the fixed guide rail 15, and the guide blocks 12 on the surface of the mounting plate 11 are located in the guide grooves 16.
The utility model discloses in, angle adjustment mechanism is including setting up at the direction adjustment tank 17 of 3 bottoms in horizontal backup pad and the sliding block 18 of block in direction adjustment tank 17, and sliding block 18 is articulated with the tip of the cylinder pole of angle modulation cylinder 5.
Further, a plurality of guide grooves 16 on the fixed rail 15 are arranged at equal intervals. The guide block 12 and the mounting plate 11 are integrally formed, the section of the guide block 12 is in the shape of a water drop arc, and the section of the guide groove 16 is matched with the guide block 12. The guide groove 16 extends in the longitudinal direction of the fixed rail 15.
When the projection equipment is used, a cylinder rod of the angle adjusting cylinder 5 extends out, the angle adjusting cylinder 5 drives the sliding block 18 to move in the guide adjusting groove 17, the moving sliding block 18 supports the transverse supporting plate 3 and drives the transverse supporting plate 3 to rotate by a certain angle, the transverse supporting plate 3 which rotates by a certain angle lifts the projector 2 by a certain angle, so that the throwing angle of the projector 2 is controlled, the size of the throwing angle is changed through the telescopic stroke of the angle adjusting cylinder 5, and the operation is convenient;
in addition, a bottom plate and a side plate of the projector mounting box are connected with a suspension supporting mechanism; after the projector 2 is installed, if the horizontal projection position of the projector 2 needs to be adjusted, the suspension plate 9 can be moved transversely, in the process of transverse movement of the suspension plate 9, the guide block 12 moves in the guide groove 16, it is ensured that the suspension plate 9 is moved transversely stably, after the suspension plate 9 is moved transversely to a new position, the new position is the new projection position of the projector 2, and the horizontal projection position of the projector is controllable and convenient to adjust.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A projection device for a higher education stair classroom comprises a projector mounting box, wherein a projector is arranged in the projector mounting box, and the projection device is characterized in that a transverse supporting plate is fixed at the top of the projector, the end part of the transverse supporting plate is hinged with a longitudinal supporting plate, the end part of the longitudinal supporting plate is fixedly connected with the projector mounting box, an angle adjusting cylinder is obliquely arranged at the top of the projector mounting box, and the angle adjusting cylinder is connected with the transverse supporting plate at the bottom of the projector through an angle adjusting mechanism;
the projector mounting box comprises a top plate, a bottom plate and a side plate, the longitudinal supporting plate and the angle adjusting cylinder are fixed on the top plate of the projector mounting box, and the bottom plate and the side plate of the projector mounting box are connected with the suspension supporting mechanism;
hang supporting mechanism including the board that hangs that is the L type, hang the bottom plate and the curb plate that the board passes through bolt and projecting apparatus mounting box and be connected, hang the top fixed connection mounting panel of board, the surface of mounting panel is equipped with a plurality of guide blocks, through bolt installation fixed guide on the ceiling in ladder classroom, fixed guide's bottom is equipped with a plurality of guide ways, the guide block on mounting panel surface is located the guide way.
2. The projection apparatus in advanced education stair classroom according to claim 1, wherein the angle adjustment mechanism includes a guide adjustment groove formed at the bottom of the lateral support plate and a slide block engaged in the guide adjustment groove, the slide block being hinged to the end of the cylinder rod of the angle adjustment cylinder.
3. The projection apparatus in an advanced education stair-step classroom as claimed in claim 2, wherein the plurality of guide grooves on the fixed rail are arranged at equal intervals.
4. The projection device for higher education stairs classroom as claimed in claim 1, wherein the guide block is integrally formed with the mounting plate, the cross section of the guide block is in the shape of a water drop arc, and the cross section of the guide groove is matched with the guide block.
5. A projection device in a higher education stair classroom according to claim 3 wherein the guide groove extends along the length of the fixed rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864469.4U CN210739918U (en) | 2019-11-01 | 2019-11-01 | Projection equipment for advanced education step classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864469.4U CN210739918U (en) | 2019-11-01 | 2019-11-01 | Projection equipment for advanced education step classroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210739918U true CN210739918U (en) | 2020-06-12 |
Family
ID=71011434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921864469.4U Expired - Fee Related CN210739918U (en) | 2019-11-01 | 2019-11-01 | Projection equipment for advanced education step classroom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210739918U (en) |
-
2019
- 2019-11-01 CN CN201921864469.4U patent/CN210739918U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20211101 |