CN218295200U - Projection equipment for teaching - Google Patents

Abstract

The utility model discloses a projection device for teaching in the technical field of tourism management, which comprises a bottom support assembly, a lifting pole is plugged into the top of the bottom support assembly, a top assembly is fixedly installed on the top of the lifting pole, and a top assembly is installed on the top assembly. Angle-adjustable tilt assembly; the bottom support assembly includes a vertical cylinder, and the top of the vertical cylinder is screwed with a limit bolt; the bottom end of the lifting pole is plugged into the top of the vertical cylinder. The utility model can stably support the utility model through the setting of the support slant plate, and then the staff can loosen the limit bolt according to the needs, and then the height of the lifting pole can be adjusted, so that the projector body is at a suitable height , so that the projection effect is better. After adjusting the height of the lifting pole, then rotate the screw plate to move the threaded rod up or down, so as to adjust the inclination angle of the projector body to further improve the projection effect. Bring to market.

Description

Projection device for teaching

technical field

The utility model relates to the technical field of tourism management, in particular to a projection device for teaching.

Background technique

Projection equipment is needed in the teaching process of tourism management. Most of the existing teaching projection equipment is fixed on the top of the classroom. When you need to use the projection equipment, you can only go to the fixed classroom with projection equipment. In this way, for Teaching adds a lot of trouble, based on this, the utility model designs a kind of projection equipment for teaching, to solve the above-mentioned problems.

Utility model content

The purpose of this utility model is to provide a projection device for teaching to solve the problem that most of the existing projection devices for teaching proposed in the background technology are fixed on the top of the classroom. Problems with projection equipment in classrooms.

In order to achieve the above purpose, the utility model provides the following technical solutions: a projection device for teaching, including a bottom support assembly, a lifting pole is plugged into the top of the bottom support assembly, and a top is fixedly installed on the top of the lifting pole. Assemblies, an angle-adjustable tilting assembly is installed on the top assembly;

The bottom support assembly includes a vertical cylinder, and the top of the vertical cylinder is threaded with a limit bolt;

The bottom end of the lifting pole is plugged into the top of the vertical tube;

The top assembly includes a horizontal plate, the top surface of the lifting pole is fixedly connected to the middle part of the lower surface of the horizontal plate, a T-shaped chute is opened on the front side of the horizontal plate, and the inside of the T-shaped chute slides A T-shaped slider is connected, and a first rotating connector is fixedly installed above the T-shaped slider. A vertical threaded hole is provided on the rear side of the horizontal plate, and the threaded hole on the rear side of the horizontal plate is threaded. A threaded rod is connected, and the top end of the threaded rod is rotatably connected to a connecting jacking block through a connecting bearing, and a second rotating connector is fixedly installed above the connecting jacking block;

The tilting assembly includes a tilting support plate, a projector body is fixedly mounted on the top of the tilting support plate, and a first rotating connection matching the first rotating connecting piece is fixedly mounted on the front side of the lower surface of the tilting supporting plate. The support, the rear side of the lower surface of the inclined pallet is fixedly installed with a second rotating connection support matching the second rotating connecting piece.

Preferably, the bottom of the vertical cylinder is fixedly equipped with a number of circular and evenly distributed support slant plates, and the bottom end of the support slant plates is fixedly equipped with a touch plate, and the lower surface of the touch plate is rough.

Preferably, a guide groove is provided on the inner wall of the vertical tube, and a guide side plate matching the guide groove is fixedly installed on the outer surface of the lifting pole, and the guide side plate is located inside the guide groove. And the guide side plate is slidingly matched with the guide groove.

Preferably, the top of the vertical cylinder is provided with a threaded hole, and the limit bolt is screwed into the threaded hole on the top of the vertical cylinder.

Preferably, a screw plate is fixedly mounted on the bottom end surface of the threaded rod, and the outer surface of the screw plate is rough.

Preferably, the inner ring of the connecting bearing is fixedly connected to the top end of the threaded rod, and the outer ring of the connecting bearing is fixedly connected to the lower surface of the connecting jack block.

Compared with the prior art, the beneficial effect of the utility model is: the utility model can stably support the utility model through the setting of the support slant plate, and then the staff can loosen the limit bolts as required, and then the lifting and vertical Adjust the height of the rod, so that the projector body is at a suitable height, so that the projection effect is better. After adjusting the height of the lifting pole, rotate the screw plate to move the threaded rod up or down, so The inclination angle of the projector body is adjusted to further improve the projection effect, and it is easy to be introduced to the market.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is the structural representation of a kind of teaching projection equipment of the present utility model;

Fig. 2 is a side view of a teaching projection device of the present invention;

Fig. 3 is a structural schematic diagram of the bottom support assembly of the present invention;

Fig. 4 is a structural schematic diagram of the top assembly of the utility model;

Fig. 5 is a structural schematic diagram of the tilting assembly of the present invention.

In the accompanying drawings, the list of parts represented by each label is as follows:

1-Bottom support assembly, 101-Vertical tube, 102-Slant support plate, 103-Touch floor, 104-Guide groove, 105-Limit bolt, 2-Elevating pole, 201-Guide side plate, 3-Top Components, 301-horizontal plate, 302-T-shaped chute, 303-T-shaped slider, 304-the first rotating connector, 305-threaded rod, 306-screwing plate, 307-connecting bearing, 308-connecting top block , 309—the second rotating connection piece, 4—the tilting assembly, 401—the tilting support plate, 402—the projector body, 403—the first rotating connection support, 404—the second rotating connection support.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-5, the utility model provides a technical solution: a projection device for teaching, including a bottom support assembly 1, a lifting pole 2 is plugged into the top of the bottom support assembly 1, and the top of the lifting pole 2 is fixed A top assembly 3 is installed, and an angle-adjustable tilt assembly 4 is installed on the top assembly 3;

The bottom support assembly 1 includes a vertical tube 101. The bottom of the vertical tube 101 is fixedly equipped with a number of supporting sloping plates 102 evenly distributed in a ring shape. The lower surface of the vertical tube 101 is rough, and the inner wall of the vertical tube 101 is provided with a guide groove 104, and the top of the vertical tube 101 is threaded with a limit bolt 105, and the top of the vertical tube 101 is provided with a threaded hole, and the limit bolt 105 Cooperate with the threaded hole on the top of the vertical cylinder 101;

The bottom end of the lifting pole 2 is plugged into the top of the vertical tube 101, and the outer surface of the lifting pole 2 is fixedly equipped with a guide side plate 201 that matches the guide groove 104, and the guide side plate 201 is located at the bottom of the guide groove 104. Inside, and the guide side plate 201 is slidingly matched with the guide groove 104;

The top assembly 3 includes a horizontal plate 301, the top surface of the lifting pole 2 is fixedly connected to the middle part of the lower surface of the horizontal plate 301, a T-shaped chute 302 is provided on the front side of the horizontal plate 301, and the inside of the T-shaped chute 302 is slidingly connected There is a T-shaped slide block 303, a first rotating connector 304 is fixedly installed above the T-shaped slide block 303, a vertical threaded hole is provided on the rear side of the horizontal plate 301, and a threaded hole is threaded on the threaded hole on the rear side of the horizontal plate 301. Threaded rod 305, a screw plate 306 is fixedly installed on the bottom end surface of the threaded rod 305, the outer surface of the screw plate 306 is rough, the top of the threaded rod 305 is connected with a connection top block 308 through the connection bearing 307, and the inner surface of the connection bearing 307 The ring is fixedly connected to the top of the threaded rod 305, the outer ring of the connecting bearing 307 is fixedly connected to the lower surface of the connecting jack block 308, and a second rotating connector 309 is fixedly installed above the connecting jack block 308;

The tilting assembly 4 includes a tilting pallet 401, a projector body 402 is fixedly installed above the tilting pallet 401, and a first rotating connection matching the first rotating connector 304 is fixedly mounted on the front side of the lower surface of the tilting pallet 401. The support 403 and the rear side of the lower surface of the inclined support plate 401 are fixedly installed with a second rotation connection support 404 matching the second rotation connection piece 309 .

When a teaching projection device of the present utility model needs to be used, the staff first moves the teaching projection device of the present utility model to the rear of the classroom, and the utility model can be stably supported by setting the support slant plate 102 , and then the staff loosens the limit bolt 105 as required, and then the height of the lifting pole 2 can be adjusted, so that the projector body 402 is at a suitable height and the projection effect is better. When the lifting pole 2 is adjusted After that, the screw plate 306 is rotated to move the threaded rod 305 upward or downward, thereby adjusting the inclination angle of the projector body 402 to further improve the projection effect.

In the description of this specification, descriptions referring to the terms "one embodiment", "example", "specific example" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in the description of the present invention. In at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not exhaust all details nor limit the invention to specific implementations. Obviously, many modifications and variations can be made based on the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that those skilled in the art can well understand and utilize the utility model. The invention is to be limited only by the claims and their full scope and equivalents.

Claims (6)

1. A projection device for teaching, characterized in that it comprises a bottom support assembly (1), the top of the bottom support assembly (1) is plugged with a lifting pole (2), and the lifting pole (2) A top assembly (3) is fixedly installed on the top, and an angle-adjustable tilt assembly (4) is installed on the top assembly (3); The bottom support assembly (1) includes a vertical cylinder (101), and the top of the vertical cylinder (101) is screwed with a limit bolt (105); The bottom end of the lifting pole (2) is plugged into the top of the vertical cylinder (101); The top assembly (3) includes a horizontal plate (301), the top surface of the lifting pole (2) is fixedly connected to the middle part of the lower surface of the horizontal plate (301), and the front side of the horizontal plate (301) is opened There is a T-shaped chute (302), the inside of the T-shaped chute (302) is slidably connected with a T-shaped slider (303), and a first rotating connector is fixedly installed above the T-shaped slider (303) (304), the rear side of the horizontal plate (301) offers a vertical threaded hole, the threaded hole on the rear side of the horizontal plate (301) is threaded with a threaded rod (305), the threaded rod (305 ) is rotatably connected to a connecting jack block (308) by connecting bearings (307), and a second rotating connector (309) is fixedly installed above the connecting jack block (308); The tilting assembly (4) includes a tilting pallet (401), a projector body (402) is fixedly installed above the tilting pallet (401), and the front side of the lower surface of the tilting pallet (401) is fixed A first rotating connection support (403) matching the first rotating connecting piece (304) is installed, and a second rotating connecting piece (309) is fixedly installed on the rear side of the lower surface of the inclined pallet (401). Matching second swivel connection support (404). 2. A kind of projection equipment for teaching according to claim 1, characterized in that: the bottom of the vertical cylinder (101) is fixedly installed with a number of circular support slant plates (102) evenly distributed, the support A touch plate (103) is fixedly installed at the bottom of the slant plate (102), and the lower surface of the touch plate (103) is rough. 3. A projection device for teaching according to claim 1, characterized in that: the inner wall of the vertical cylinder (101) is provided with a guide groove (104), and the outer wall of the lifting pole (2) A guide side plate (201) matched with the guide groove (104) is fixedly installed on the surface, and the guide side plate (201) is positioned at the inside of the guide groove (104), and the guide side plate (201) and the guide groove (104) ) slip fit. 4. A projection device for teaching according to claim 1, characterized in that: the top of the vertical tube (101) is provided with a threaded hole, and the limit bolt (105) is connected to the vertical tube ( 101) The threaded holes on the top are threaded to fit. 5. A projection device for teaching according to claim 1, characterized in that: a screw plate (306) is fixedly installed on the bottom end surface of the threaded rod (305), and the screw plate (306) The outer surface is rough. 6. A projection device for teaching according to claim 1, characterized in that: the inner ring of the connecting bearing (307) is fixedly connected to the top end of the threaded rod (305), and the outer ring of the connecting bearing (307) The ring is fixedly connected to the lower surface of the connecting top block (308).

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