CN218064010U

CN218064010U - A projection arrangement for business administration teaching

Info

Publication number: CN218064010U
Application number: CN202121819815.4U
Authority: CN
Inventors: 钟雪美
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-12-16
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a projection arrangement for business administration teaching relates to projection arrangement technical field, include: a box body; dustproof mechanism, including removal groove, rack plate, handle, mount pad, axis of rotation and gear, the one end at the box is embedded in the removal groove, and runs through to the inside of box. The utility model discloses a set up the rotation handle, the axis of rotation, the gear, the rack board, the shifting chute, fixed plate and shrouding, realize rotating the handle and drive the axis of rotation and rotate, thereby make the rack board along the shifting chute rebound when driving gear revolve, thereby make the fixed plate drive the top of projecting apparatus rebound to box and use and put in the video, when not needing to use, drive gear reverse rotation through the reverse rotation handle, make the fixed plate drive the top that the projecting apparatus downshifts to the shrouding is located the box, thereby realize moving the projecting apparatus to the inside storage of box and deposit, avoid projecting apparatus adhesion dust to influence the use.

Description

A projection arrangement for business administration teaching

Technical Field

The utility model relates to a projection arrangement technical field specifically is a projection arrangement for business administration teaching.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals.

At present business administration teaching in-process, but begin to use the projecting apparatus to carry out supplementary teaching in a large number in order to improve teaching efficiency but current projecting apparatus can't accomodate the projecting apparatus when not using and preserve, adsorbs the dust in the air very easily, influences follow-up result of use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: in order to solve the problem that the projector cannot be stored when not in use, the projector device for the industrial and commercial management teaching is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a projection arrangement for business administration teaching, comprising:

a box body;

the dustproof mechanism comprises a moving groove, a rack plate, a handle, a mounting seat, a rotating shaft and a gear, wherein the moving groove is embedded in one end of the box body and penetrates through the box body;

the fixed plate is positioned in the box body and is fixedly connected with one side of the outer wall of the rack plate;

and the adjusting mechanism is positioned at the top end of the fixing plate and used for adjusting the angle of the service equipment.

As a further aspect of the present invention: adjustment mechanism rotates seat, slide-shaft and second fixing base including mounting panel, first rotation seat, bolt, nut, first fixing base, second, first fixing base fixed mounting is on the top of fixed plate, second fixing base fixed mounting just is located one side of first fixing base on the top of fixed plate, bolt swing joint is in the inside of first fixing base, first rotation seat welded fastening is in the one end of bolt, the nut rotates the outer wall of connection at the bolt, slide-shaft sliding connection is in the inside of second fixing base, the second rotates the one end of seat welded fastening at the slide-shaft, mounting panel fixed connection is on the top that first rotation seat and second rotated the seat.

As a further aspect of the present invention: the top fixed mounting of mounting panel has the projecting apparatus, the top that outer wall one side of rack board is located the fixed plate is provided with the shrouding, the outer wall of fixed plate and shrouding agrees with mutually with the inner wall of box.

As a further aspect of the present invention: the bottom fixedly connected with support frame of box, the bottom of support frame is provided with the counter weight base.

As a further aspect of the present invention: the two ends of the outer wall of the rack plate are matched with the inner wall of the moving groove, and the outer wall of the gear is meshed with the outer wall of the rack plate.

As the utility model discloses further scheme again: and a friction damping is arranged at the joint of the outer wall of the rotating shaft and the mounting seat.

As a further aspect of the present invention: the inside of second fixing base is provided with the spout that agrees with mutually with the outer wall of slide-shaft, the inside of first fixing base is provided with the spread groove, the inner wall of nut is connected with the outer wall meshing of bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by arranging the rotating handle, the rotating shaft, the gear, the rack plate, the moving groove, the fixing plate and the sealing plate, the rotating handle is driven to drive the rotating shaft to rotate, so that the rack plate is driven to move upwards along the moving groove while the gear is driven to rotate, the fixing plate is driven to drive the projector to move upwards to the top end of the box body to use and throw in videos, when the projector does not need to be used, the gear is driven to rotate reversely through the reverse rotating handle, the fixing plate is driven to drive the projector to move downwards to the top end of the sealing plate located on the box body, the projector is moved to the interior of the box body to be stored, and the projector is prevented from being adhered with dust to influence the use;

2. the outer wall of one end of the nut is separated from the outer wall of the first fixed seat by arranging the nut, the bolt, the first fixed seat, the mounting plate, the sliding shaft, the second fixed seat and the first rotating seat, the mounting plate is stirred to adjust the angle of the projector, the sliding shaft rotates along a sliding groove in the second fixed seat, the video file is projected to a proper position, and the nut is rotated reversely to enable the nut to follow; the outer wall of bolt removes to the one end of first fixing base, and the outer wall in close contact with of the outer wall of nut and first rotation seat and the outer wall of first fixing base realizes the spacing fixed to the projecting apparatus when through spacing fixed to the mounting panel to the realization is to the angle modulation and spacing fixed of projecting apparatus.

Drawings

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

fig. 2 is an enlarged schematic view of the utility model at a;

FIG. 3 is a schematic view of the structure of the utility model in use;

fig. 4 is an explosion diagram of the adjusting mechanism of the present invention.

In the figure: 1. a box body; 2. a dust-proof mechanism; 201. a moving groove; 202. a rack plate; 203. a handle; 204. a mounting seat; 205. a rotating shaft; 206. a gear; 3. a fixing plate; 4. an adjustment mechanism; 401. mounting a plate; 402. a first rotating base; 403. a bolt; 404. a nut; 405. a first fixed seat; 406. a second rotating base; 407. a slide shaft; 408. a second fixed seat; 5. a projector; 6. closing plates; 7. a support frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1 to 4, in an embodiment of the present invention, a projection apparatus for business administration and teaching includes:

a box body 1;

the dustproof mechanism 2 comprises a moving groove 201, a rack plate 202, a handle 203, a mounting seat 204, a rotating shaft 205 and a gear 206, wherein the moving groove 201 is embedded in one end of the box body 1 and penetrates through the box body 1, the rack plate 202 is connected in the moving groove 201 in a sliding mode, the mounting seat 204 is fixedly welded on the outer wall of the box body 1 and is located at one end of the moving groove 201, the rotating shaft 205 penetrates through the inner walls of the two ends of the mounting seat 204 in a rotating mode, the gear 206 is welded on the outer wall of the rotating shaft 205, and the handle 203 is fixedly welded at one end of the outer wall of the rotating shaft 205;

the fixed plate 3 is positioned in the box body 1, and is fixedly connected with one side of the outer wall of the rack plate 202;

and the adjusting mechanism 4 is positioned at the top end of the fixing plate 3 and is used for adjusting the angle of the service equipment.

Please refer to fig. 3 and fig. 4, the adjusting mechanism 4 includes an installation plate 401, a first rotating base 402, a bolt 403, a nut 404, a first fixed base 405, a second rotating base 406, a sliding shaft 407 and a second fixed base 408, the first fixed base 405 is fixedly installed at the top end of the fixed plate 3, the second fixed base 408 is fixedly installed at the top end of the fixed plate 3 and located at one side of the first fixed base 405, the bolt 403 is movably connected inside the first fixed base 405, the first rotating base 402 is welded and fixed at one end of the bolt 403, the nut 404 is rotatably connected to the outer wall of the bolt 403, the sliding shaft 407 is slidably connected inside the second fixed base 408, the second rotating base 406 is welded and fixed at one end of the sliding shaft 407, the installation plate 401 is fixedly connected at the top ends of the first rotating base 402 and the second rotating base 406, so as to adjust the placing angle of the projector 5.

Please refer to fig. 3, the top end of the mounting plate 401 is fixedly mounted with the projector 5, one side of the outer wall of the rack plate 202 is located above the fixing plate 3 and is provided with a sealing plate 6, and the outer walls of the fixing plate 3 and the sealing plate 6 are matched with the inner wall of the box body 1, so that the projector 5 is conveniently and hermetically accommodated in the box body 1.

Please refer to fig. 3, the bottom end of the box body 1 is fixedly connected with a supporting frame 7, and the bottom end of the supporting frame 7 is provided with a counterweight base for supporting and fixing the box body 1.

Please refer to fig. 1 and 2, two ends of the outer wall of the rack plate 202 are engaged with the inner wall of the moving slot 201, and the outer wall of the gear 206 is engaged with the outer wall of the rack plate 202, so that the gear 206 rotates to drive the rack plate 202 to slide up and down along the moving slot 201.

Please refer to fig. 2, a connection between the outer wall of the rotating shaft 205 and the mounting seat 204 is provided with a friction damper, so that the rotating shaft 205 can rotate in a limited manner.

Please refer to fig. 4, a sliding slot matching with the outer wall of the sliding shaft 407 is disposed inside the second fixing seat 408, a connecting slot is disposed inside the first fixing seat 405, and the inner wall of the nut 404 is engaged with the outer wall of the bolt 403, so as to facilitate the rotation adjustment and the limit fixing of the mounting plate 401.

The utility model discloses a theory of operation is: when using this kind of projection arrangement to carry out business administration auxiliary education, drive axis of rotation 205 through rotating handle 203 and rotate, thereby make rack plate 202 upwards remove along shifting chute 201 when driving gear 206 pivoted, thereby make fixed plate 3 drive projecting apparatus 5 rebound to the top of box 1, can use through projecting apparatus 5 and put in the teaching video, when not needing to use, drive gear 206 antiport through antiport handle 203, make fixed plate 3 drive projecting apparatus 5 rebound to shrouding 6 is located the top of box 1, thereby realize moving projecting apparatus 5 to the inside storage of box 1, avoid projecting apparatus 5 adhesion dust to influence the use, when needing to adjust the projection angle in the use, through rotating nut 404, make the one end outer wall of nut 404 break away from the outer wall of first fixing base 405, stir the angle of mounting panel 401 adjustment projecting apparatus 5, sliding shaft 407 rotates along the inside spout of second fixing base 408, make the video file project to suitable position, make nut 404 antiport, make nut 404 move to the one end of first fixing base 405 along the outer wall of bolt 403, until the outer wall of first fixing base 405 and the outer wall of first fixing base 402 and the first fixing nut 402 realize closely spacing angle adjustment to the projecting apparatus, thereby the fixed limiting angle of projecting apparatus is to the first fixing base 401 and the tight regulation of the projection angle.

The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.

Claims

1. A projection arrangement for business administration teaching, characterized by, includes:

a box body (1);

the dustproof mechanism (2) comprises a moving groove (201), a rack plate (202), a handle (203), a mounting seat (204), a rotating shaft (205) and a gear (206), wherein the moving groove (201) is embedded in one end of the box body (1) and penetrates into the box body (1), the rack plate (202) is connected to the inside of the moving groove (201) in a sliding mode, the mounting seat (204) is fixedly welded on the outer wall of the box body (1) and located at one end of the moving groove (201), the rotating shaft (205) penetrates through the inner walls of two ends of the mounting seat (204) in a rotating mode, the gear (206) is welded on the outer wall of the rotating shaft (205), and the handle (203) is fixedly welded at one end of the outer wall of the rotating shaft (205);

the fixing plate (3) is positioned inside the box body (1), and the fixing plate (3) is fixedly connected with one side of the outer wall of the rack plate (202);

and the adjusting mechanism (4) is positioned at the top end of the fixing plate (3) and is used for adjusting the angle of the service equipment.

2. The projection device for business administration teaching of claim 1, wherein the adjusting mechanism (4) comprises a mounting plate (401), a first rotating seat (402), a bolt (403), a nut (404), a first fixed seat (405), a second rotating seat (406), a sliding shaft (407) and a second fixed seat (408), the first fixed seat (405) is fixedly mounted at the top end of the fixed plate (3), the second fixed seat (408) is fixedly mounted at the top end of the fixed plate (3) and located at one side of the first fixed seat (405), the bolt (403) is movably connected inside the first fixed seat (405), the first rotating seat (402) is welded and fixed at one end of the bolt (403), the nut (404) is rotatably connected at the outer wall of the bolt (403), the sliding shaft (407) is slidably connected inside the second fixed seat (408), the second rotating seat (406) is welded and fixed at one end of the sliding shaft (407), and the mounting plate (401) is fixedly connected at the top ends of the first rotating seat (402) and the second rotating seat (406).

3. The projection device for business administration and teaching as claimed in claim 2, wherein the top end of the mounting plate (401) is fixedly provided with the projector (5), one side of the outer wall of the rack plate (202) is provided with a sealing plate (6) above the fixing plate (3), and the outer walls of the fixing plate (3) and the sealing plate (6) are matched with the inner wall of the box body (1).

4. The projection device for business administration and teaching of claim 1, wherein a support frame (7) is fixedly connected to the bottom end of the box body (1), and a counterweight base is arranged at the bottom end of the support frame (7).

5. The projection device for business administration and education as claimed in claim 1, wherein both ends of the outer wall of the rack plate (202) are fitted with the inner wall of the moving slot (201), and the outer wall of the gear (206) is engaged with the outer wall of the rack plate (202).

6. The projection device for business administration teaching of claim 1, wherein the connection of the outer wall of the rotating shaft (205) and the mounting seat (204) is provided with friction damping.

7. The projection device for business administration and teaching of claim 2, wherein the inside of the second fixing base (408) is provided with a sliding groove which is matched with the outer wall of the sliding shaft (407), the inside of the first fixing base (405) is provided with a connecting groove, and the inner wall of the nut (404) is engaged with the outer wall of the bolt (403).