CN215335641U

CN215335641U - Projection arrangement is used in marketing teaching

Info

Publication number: CN215335641U
Application number: CN202120740283.9U
Authority: CN
Inventors: 罗燕
Original assignee: Guizhou Light Industry Technical College
Current assignee: Guizhou Light Industry Technical College
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-28
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a projection device for marketing teaching, which comprises a projection main body, wherein a driving cylinder is arranged at the bottom of the center of the projection main body, the output end of the driving cylinder is fixedly connected with a lifting column, the top of one side of the lifting column is fixedly connected with an L-shaped limiting bracket, the top of one side of the center of the projection main body is provided with a first limiting groove corresponding to the L-shaped limiting bracket, and the top of the lifting column is rotatably connected with a projector. And sealing and storing by closing the top cover.

Description

Projection arrangement is used in marketing teaching

Technical Field

The utility model relates to the field of projection equipment for teaching, in particular to a projection device for marketing teaching.

Background

Marketing, also called marketology, marketing or marketing, the market is the category of commodity economy, is an economic contact form in which commodity exchange is used as content, for enterprises, the market is the starting point and the accommodation of marketing activities, marketing is a function, is an activity, process and system for creating, communicating, spreading and transmitting client values for the benefit of the enterprise and interest relatives, and brings economic values to customers, clients, partners and the whole society, and mainly refers to the process of marketing activities and sales behaviors of marketers aiming at the market.

At present because science and technology development, when carrying out the teaching of this subject of marketing, can adopt textbook and projected mode to explain mostly, but the most structure of projection equipment is comparatively fixed for some, can not go up and down to can only place it and use on ground, and the projection instrument often can be because long-time standing makes dirty the surface after the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a projection device for marketing teaching, which can be placed in the air when the environment does not allow, and can ensure that the surface of a projector is not stained with dust when the projector is placed and stored for a long time.

In order to solve the technical problems, the utility model adopts a technical scheme that: the projection device for marketing teaching comprises a projection main body;

the bottom of the center of the projection main body is provided with a driving cylinder, the output end of the driving cylinder is fixedly connected with a lifting column, the top of one side of the lifting column is fixedly connected with an L-shaped limiting support, the lifting column is lifted and lowered while the L-shaped limiting support is driven to synchronously move so as to support and limit the lifting column and the projector at the top of the lifting column, the top of one side of the center of the projection main body is provided with a first limiting groove corresponding to the L-shaped limiting support for storing the L-shaped limiting support, the top of the lifting column is rotatably connected with a projector for projection teaching, the top of the projection main body is rotatably connected with a top cover corresponding to the projector, the lifting column can close the top cover through rotation to seal the top cover when driving the projector to fall into the storage groove after driving the projector to fall, and the interior of the projection main body is prevented from entering dust during long-time storage, the bottom of the projection main body is fixedly connected with a base;

throw two fixed plates of one side fixedly connected with of main part, two the center of the relative one side of fixed plate all is provided with the threaded rod, can make it slide from top to bottom at two fixed plate centers through twisting two threaded rods respectively, two the relative one end of threaded rod all rotates and is connected with telescopic clamp plate, can drive two telescopic clamp plate and carry out the syntropy motion when the threaded rod is twisted to the threaded rod and makes its pivoted to this carries out the centre gripping fixed, so that will throw under special environment the main part fixed, two telescopic clamp plate's the top and the equal fixedly connected with spacing slide bar in both sides of bottom.

Preferably, drive actuating cylinder and the bottom fixed connection of lift post through the telescopic link at top, drive actuating cylinder and exert the promotion through the start-up, and then can drive the lift post of driving actuating cylinder top connection and go up and down back and forth.

Preferably, two the relative one end of threaded rod all runs through the outer wall of fixed plate and with the top and the bottom fixed connection of flexible splint, makes its rotation through twisting two threaded rods respectively, and then can drive two flexible splint and carry out syntropy or reverse movement together, and then can make it fix on a desktop.

Preferably, the top of the center of the projection main body is provided with a storage groove corresponding to the projector, so that the lifting column can drive the projector to enter the storage groove, and the projector can be safely stored when not in use, and can be matched with the explanation of marketing.

Preferably, the anti-slip pads are fixedly connected to the opposite sides of the two telescopic clamping plates, so that the friction force between the two telescopic clamping plates and the table top can be increased when the two telescopic clamping plates are fixed on the table top, the telescopic clamping plates are prevented from falling off due to the fact that the table top is too smooth, and the stability is improved.

Preferably, two the both ends of the relative one side of fixed plate are all seted up and are passed through the slip of a plurality of spacing slide bars in the second spacing groove with the corresponding second spacing groove of spacing slide bar and can carry out spacingly to two telescopic clamp plates, prevent that it from following the threaded rod and rotating, make it can only slide from top to bottom along with the rotation of threaded rod.

The utility model has the following beneficial effects:

1. the telescopic clamping plate can be driven to move in the same direction through the two fixing plates and the threaded rod in the center of the fixing plates, so that the table top is clamped through the anti-slip mat, and the projection main body can be fixed on one table top to be suspended;

2. the driving cylinder is arranged at the center of the projection main body, so that the lifting capacity is provided for the projector, the projector can be accommodated into the storage tank after the adaptation is finished, and the top cover is closed for sealed storage, so that the surface of the projector is prevented from being contaminated by dust during long-time standing.

Drawings

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

FIG. 2 is a front view of the present invention in use;

fig. 3 is a cross-sectional view of the clamping mechanism of the present invention.

In the figure: 1. a projection main body; 2. a driving cylinder; 3. a lifting column; 4. an L-shaped limiting bracket; 5. a first limit groove; 6. a projector; 7. a top cover; 8. a base; 9. a fixing plate; 10. a threaded rod; 11. a retractable splint; 12. a limiting slide bar; 13. a storage tank; 14. a non-slip mat; 15. a second limit groove.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1 and 2, a projection device for marketing teaching comprises a projection main body 1, a driving cylinder 2 is arranged at the bottom of the center of the projection main body 1, a lifting column 3 is fixedly connected to the output end of the driving cylinder 2, the driving cylinder 2 is fixedly connected to the bottom of the lifting column 3 through a telescopic rod at the top, pushing is applied by starting the driving cylinder 2, the lifting column 3 connected to the top of the driving cylinder 2 can be driven to lift back and forth, an L-shaped limit bracket 4 is fixedly connected to the top of one side of the lifting column 3, the L-shaped limit bracket 4 is driven to move synchronously while the lifting column 3 is lifted and lowered, so as to support and limit the lifting column 3 and a projector 6 at the top of the lifting column 3, a first limit groove 5 corresponding to the L-shaped limit bracket 4 is formed at the top of one side of the center of the projection main body 1 to store the L-shaped limit bracket 4, the top of the lifting column 3 is rotatably connected with a projector 6 for projection teaching, the top of the center of the projection main body 1 is provided with a storage groove 13 corresponding to the projector 6, the lifting column 3 can drive the projector 6 to enter the storage groove 13 so as to be safely stored when not in use so as to be matched with explanation of marketing, the top of the projection main body 1 is rotatably connected with a top cover 7 corresponding to the projector 6, the top cover 7 can be closed by rotating and closing when the lifting column 3 drives the projector 6 to descend and then enters the storage groove 13, so that dust is prevented from entering the interior when the projector is stored for a long time and damaging the projector 6, the bottom of the projection main body 1 is fixedly connected with a base 8 for supporting the projection main body 1 and preventing the projection main body from falling when placed on the ground, and one side of the projection main body 1 is fixedly connected with two fixing plates 9, the center of the relative one side of two fixed plates 9 all is provided with threaded rod 10, can make it slide from top to bottom at two fixed plate 9 centers through twisting two threaded rods 10 respectively, the relative one end of two threaded rods 10 all rotates and is connected with telescopic clamp plate 11, it can drive two telescopic clamp plate 11 and carry out the syntropy motion to twist threaded rod 10 and make its pivoted simultaneously, it is fixed to carry out the centre gripping with this, so that will throw main part 1 under special environment and fix, the top of two telescopic clamp plate 11 and the equal fixedly connected with spacing slide bar 12 in both sides of bottom, come to carry out spacingly to telescopic clamp plate 11 through a plurality of spacing slide bars 12, drive telescopic clamp plate 11 and rotate when preventing to twist threaded rod 10, and then make two telescopic clamp plate 11 can only follow threaded rod 10 and slide from top to bottom.

Referring to fig. 3, opposite ends of two threaded rods 10 penetrate through the outer wall of the fixing plate 9 and are fixedly connected with the top and the bottom of the retractable clamping plate 11, the two threaded rods 10 are respectively screwed to rotate, so that the two retractable clamping plates 11 can be driven to move in the same direction or in opposite directions, and further can be fixed on a desktop, anti-slip pads 14 are fixedly connected with opposite sides of the two retractable clamping plates 11, so that the friction force between the two retractable clamping plates 11 and the desktop can be increased when the two retractable clamping plates 11 are fixed on the desktop, the retractable clamping plates 11 are prevented from falling off due to the fact that the desktop is too smooth, the stability is improved, second limiting grooves 15 corresponding to the limiting slide rods 12 are formed at two ends of the opposite sides of the two fixing plates 9, the two retractable clamping plates 11 can be limited by the sliding of the limiting slide rods 12 in the second limiting grooves 15, and are prevented from rotating along with the threaded rods 10, so that it can only slide up and down with the rotation of the threaded rod 10.

When the utility model is used, the lifting column 3 can be driven to ascend by the telescopic rod at the top end of the driving cylinder 2, the projector 6 at the top of the lifting column 3 can be driven to leave the storage groove 13, the height can be continuously increased upwards subsequently, so that different effects are achieved, the lifting column 3 can be limited and supported by the L-shaped limiting bracket 4 at one side of the lifting column 3 when in use, if the lifting column can not be placed on the ground under the environment, the two fixing plates 9 can be respectively positioned at the top and the bottom of a desktop, then the two threaded rods 10 can be respectively screwed to rotate, the two telescopic clamping plates 11 can slide in the same direction under the action of the threaded rods 10, at the moment, the desktop is clamped by the two telescopic clamping plates 11 through the anti-skid pads 14, so that the projection main body 1 can be suspended and fixed, if the use is finished, the lifting column 3 can be driven to descend by the air cylinder, so that the projector 6 enters the storage groove 13 to be stored, and finally the top cover 7 rotates and is closed, so that the projector 6 is polluted by dust to influence the use when being placed for a long time.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a projection arrangement for marketing teaching, includes throws main part (1), its characterized in that: the projection device is characterized in that a driving cylinder (2) is arranged at the bottom of the center of the projection main body (1), the output end of the driving cylinder (2) is fixedly connected with a lifting column (3), the top of one side of the lifting column (3) is fixedly connected with an L-shaped limiting support (4), the top of one side of the center of the projection main body (1) is provided with a first limiting groove (5) corresponding to the L-shaped limiting support (4), the top of the lifting column (3) is rotatably connected with a projector (6), the top of the projection main body (1) is rotatably connected with a top cover (7) corresponding to the projector (6), and the bottom of the projection main body (1) is fixedly connected with a base (8);

throw two fixed plates (9) of one side fixedly connected with of main part (1), two the center of the relative one side of fixed plate (9) all is provided with threaded rod (10), two the relative one end of threaded rod (10) all rotates and is connected with telescopic clamp plate (11), two the top of telescopic clamp plate (11) and the equal fixedly connected with spacing slide bar (12) in both sides of bottom.

2. The projection device for marketing teaching of claim 1, wherein: the driving cylinder (2) is fixedly connected with the bottom of the lifting column (3) through a telescopic rod at the top.

3. The projection device for marketing teaching of claim 1, wherein: and the opposite ends of the two threaded rods (10) penetrate through the outer wall of the fixing plate (9) and are fixedly connected with the top and the bottom of the telescopic clamping plate (11).

4. The projection device for marketing teaching of claim 1, wherein: the top of the center of the projection main body (1) is provided with a storage groove (13) corresponding to the projector (6).

5. The projection device for marketing teaching of claim 1, wherein: and the opposite sides of the two telescopic clamping plates (11) are fixedly connected with anti-skid pads (14).

6. The projection device for marketing teaching of claim 1, wherein: two ends of one side of the two fixing plates (9) opposite to each other are provided with second limiting grooves (15) corresponding to the limiting slide rods (12).