CN218100463U - Image projection arrangement is used in teaching of commercial branch of academic or vocational study - Google Patents

Abstract

The utility model discloses an image projection arrangement is used in teaching of business branch of academic or vocational study, relate to projecting apparatus technical field, including protective housing and projecting apparatus, the inside of protective housing is provided with places the frame, the projecting apparatus sets up in the inside of placing the frame, the inside threaded connection of placing the frame top has a plurality of first screws, the top of projecting apparatus seted up with first screw assorted screw, the fixed electric putter that is provided with in the outside of protective housing one end, electric putter's output fixed connection is in the one end of placing the frame, the middle part fixedly connected with spacing slider of placing the bottom of the frame, spacing spout has been seted up to the interior bottom surface of protective housing, and the open end of protective housing is provided with the chamber door that two symmetries set up, two chamber doors all are through the articulated protective housing of spring hinge, the utility model discloses, reducible projecting apparatus and external contact have been solved the dust and can shelter from projecting lens, can also block up the louvre of projecting apparatus, influence the problem of projecting apparatus normal use.

Description

Image projection arrangement is used in teaching of commercial branch of academic or vocational study

Technical Field

The utility model relates to a projecting apparatus technical field especially relates to an image projection arrangement is used in teaching of business branch of academic or vocational study.

Background

In recent decade, with the rapid development of Chinese economy and the acceleration of global economy integration, more and more Chinese students are reserved to read the business disciplines and form 'business discipline heat' rapidly, and despite the fact that the selection of the business disciplines by the study-reserving groups in the last two years is becoming more and more rational, the business disciplines represented by the four major disciplines FAME still stably live at the first place of the popular disciplines of the Chinese students.

Traditional business class specialty teaching generally is based on theoretical basic knowledge's study, the business practice and the training on duty flow in the form, the teaching case design is too idealization, break away from the actual conditions of enterprise through the retrieval, consequently most schools all adopt the mode of projection teaching now, show professional actual conditions to the student with audio-visual, and current projecting apparatus adopts the hoist and mount mode to set up on the ceiling in the teaching room, because the projecting apparatus exposes outside, its surface can accumulate more dust in the past in the long run, not only shelter from projection lens, still can block up the louvre of projecting apparatus, influence the normal use of projecting apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an image projection device for teaching of the department of commerce.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an image projection arrangement is used in teaching of business branch of academic or vocational study, includes protective housing and projecting apparatus, the inside of protective housing is provided with places the frame, the projecting apparatus sets up in the inside of placing the frame, the inside threaded connection who places the frame top has a plurality of first screws, the top of projecting apparatus seted up with first screw assorted screw, the fixed electric putter that is provided with in the outside of protective housing one end, electric putter's output fixed connection is in the one end of placing the frame, the middle part fixedly connected with spacing slider of placing the frame bottom, spacing spout has been seted up to the interior bottom surface of protective housing, just the open end of protective housing is provided with the chamber door that two symmetries set up, two the chamber door all hinges the protective housing through spring hinge.

Further, a connecting ring is fixedly connected to the middle of the top of the protective box, a fixing rod is fixedly connected to the inside of the connecting ring, a second screw is arranged on the outer side of the connecting ring, and one end of the second screw is in threaded connection with the inside of the fixing rod.

Further, the outside at dead lever top is provided with the adapter sleeve, first logical groove has been seted up on the surface of adapter sleeve, the outside fixedly connected with spacer pin of dead lever, the spacer pin sets up in the inside in first logical groove.

Further, the outside threaded connection at adapter sleeve top has the connecting box, the inside fixedly connected with electronic jar of connecting box, the output fixed connection of electronic jar is in the one end of dead lever.

Further, the outside at connecting box top is provided with the link, the second that leads to has all been seted up on the surface at link both ends leads to the groove, the inside that the groove was led to the second is provided with the third screw, the outside cover of third screw head end is equipped with the gasket, just the other end threaded connection of third screw is in the inside of connecting box.

Further, the inboard fixedly connected with mounting panel at link top, a plurality of mounting holes have all been seted up at the both ends of mounting panel.

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

the utility model discloses set up the projecting apparatus inside the protective housing, during the use, place the frame through electric putter promotion, make and place the frame and open the chamber door, let the projecting apparatus carry out projection work, after the teaching, electric putter drives and places the frame and get back to in the protective housing, the chamber door then under the effect of spring hinge self-closing, let the projecting apparatus can be in airtight environment when not using, reduce and external contact, it can shelter from projecting lens to have solved the dust, can also block up the louvre of projecting apparatus, can also influence the problem of projecting apparatus normal use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.

Fig. 1 is a schematic view of an overall structure of an image projection apparatus for teaching in the business department of the present invention;

fig. 2 is a structural diagram of a protective box of an image projection device for teaching in the business department of the present invention;

fig. 3 is the utility model provides a structure chart of image projection arrangement connecting box for business teaching.

In the figure: 1. a protective box; 2. placing the frame; 3. a projector; 4. a box door; 5. a connecting ring; 6. a fixing rod; 7. connecting sleeves; 8. a first through groove; 9. a spacing pin; 10. a connecting box; 11. a connecting frame; 12. mounting a plate; 13. a first screw; 14. an electric push rod; 15. a limiting slide block; 16. a limiting chute; 17. a second screw; 18. an electric cylinder; 19. a second through groove; 20. and a third screw.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention;

referring to fig. 1-3, an image projection device for business teaching comprises a protective box 1 and a projector 3, wherein a placement frame 2 is arranged inside the protective box 1, the projector 3 is arranged inside the placement frame 2, a plurality of first screws 13 are connected to the inner threads of the top of the placement frame 2, screw holes matched with the first screws 13 are formed in the top of the projector 3, screws are formed in the common top of the hoisted projector, the first screws 13 are matched with the screw holes, the projector 3 can be prevented from moving in the placement frame 2, so that a picture cannot be projected to a curtain, an electric push rod 14 is fixedly arranged on the outer side of one end of the protective box 1, the output end of the electric push rod 14 is fixedly connected to one end of the placement frame 2, a limit slider 15 is fixedly connected to the middle of the bottom of the placement frame 2, the placement frame 2 can not completely extend out of the protective box 1 through the matching of the limit slider 15 and a limit chute 16, firstly, the placement frame 2 can be guaranteed to be abutted against a box door 4, the weight borne by the output end of the electric push rod 14 can be reduced, the protective box can be prevented from breaking and from dropping off, a protective box 1 is provided with two symmetrical door springs, and the protective box door 4, the protective box 1 is provided with two limit chutes, the two hinge springs;

when using projecting apparatus 3, through starting electric putter 14, electric putter 14's output can promote to place frame 2 and remove to 4 directions of chamber door, after placing 2 conflict chamber doors 4 of frame, can open chamber door 4 top, so that projecting apparatus 3 is in 1 outsides of protective housing, carry out projection work, during this period, the outside of placing frame 2 and the inboard sustained contact of chamber door 4, the back is accomplished in the teaching, electric putter 14 withdraws the output, place frame 2 and then remove to protective housing 1, until placing frame 2 and chamber door 4 and no longer contact, chamber door 4 gets back to the original position under spring hinge's effect, seal protective housing 1.

Middle part fixedly connected with go-between 5 at 1 top of protective housing, the inside fixedly connected with dead lever 6 of go-between 5, the outside of go-between 5 is provided with second screw 17, and one end threaded connection of second screw 17 is in the inside of dead lever 6, through unscrewing second screw 17, can remove protective housing 1 and dead lever 6's being connected, pulls down protective housing 1 to in order to maintain protective housing 1 or projecting apparatus 3 and overhaul.

The outside at 6 tops of dead lever is provided with adapter sleeve 7, and first logical groove 8 has been seted up on the surface of adapter sleeve 7, and the outside fixedly connected with spacer pin 9 of dead lever 6, spacer pin 9 set up in the inside of first logical groove 8, through the setting of first logical groove 8 with spacer pin 9, can carry on spacingly to dead lever 6, prevent that dead lever 6 from droing, improve the stability and the security that dead lever 6 and electronic jar 18 are connected.

The outside threaded connection at adapter sleeve 7 top has a connecting box 10, and the inside fixedly connected with electronic jar 18 of connecting box 10, electronic jar 18's output fixed connection in the one end of dead lever 6, through starting electronic jar 18, can drive dead lever 6 and reciprocate in adapter sleeve 7, and then adjust the position of projecting apparatus 3, make projecting apparatus 3 can be with accurate the throwing of picture on the curtain.

The outside at connecting box 10 top is provided with link 11, second through groove 19 has all been seted up on the surface at link 11 both ends, the inside in second through groove 19 is provided with third screw 20, the outside cover of third screw 20 head end is equipped with the gasket, and the other end threaded connection of third screw 20 is in the inside of connecting box 10, when the lateral position of projecting apparatus 3 is adjusted to needs, only need unscrew third screw 20, make third screw 20 no longer extrude the gasket, can lateral shifting connecting box 10's position, after the camera lens of projecting apparatus 3 can be thrown the picture on the curtain, screw up third screw 20, make its pressure pad can be to the rigidity of connecting box 10.

The inboard fixedly connected with mounting panel 12 at 11 tops of link, a plurality of mounting holes have all been seted up at the both ends of mounting panel 12, through the setting of mounting panel 12 with the mounting hole, pass the mounting hole with the inflation screw, squeeze into in the wall body, can hoist this device on the ceiling.

Claims (6)

1. The utility model provides an image projection arrangement is used in teaching of business branch of academic or vocational study, includes protective housing (1) and projecting apparatus (3), its characterized in that, the inside of protective housing (1) is provided with places frame (2), projecting apparatus (3) set up in the inside of placing frame (2), the inside threaded connection who places frame (2) top has a plurality of first screws (13), the top of projecting apparatus (3) seted up with first screw (13) assorted screw, the fixed electric putter (14) that are provided with in the outside of protective housing (1) one end, the output fixed connection of electric putter (14) is in the one end of placing frame (2), the middle part fixedly connected with limit slide (15) of placing frame (2) bottom, limit chute (16) have been seted up to the interior bottom surface of protective housing (1), just the open end of protective housing (1) is provided with chamber door (4) that two symmetries set up, two chamber door (4) all articulate protective housing (1) through spring hinge.

2. The image projection device for business teaching as claimed in claim 1, wherein a connection ring (5) is fixedly connected to the middle of the top of the protection box (1), a fixing rod (6) is fixedly connected to the inside of the connection ring (5), a second screw (17) is arranged on the outside of the connection ring (5), and one end of the second screw (17) is in threaded connection with the inside of the fixing rod (6).

3. The image projection device for business teaching as claimed in claim 2, wherein a connecting sleeve (7) is disposed on an outer side of a top of the fixing rod (6), a first through groove (8) is formed on a surface of the connecting sleeve (7), a limiting pin (9) is fixedly connected to an outer side of the fixing rod (6), and the limiting pin (9) is disposed inside the first through groove (8).

4. The image projection device for business teaching according to claim 3, wherein the connection box (10) is screwed to the outside of the top of the connection sleeve (7), the electric cylinder (18) is fixedly connected to the inside of the connection box (10), and the output end of the electric cylinder (18) is fixedly connected to one end of the fixing rod (6).

5. The image projection device for business teaching according to claim 4, wherein a connecting frame (11) is disposed on the outer side of the top of the connecting box (10), second through grooves (19) are formed in the surfaces of both ends of the connecting frame (11), third screws (20) are disposed inside the second through grooves (19), a gasket is sleeved on the outer side of the head ends of the third screws (20), and the other ends of the third screws (20) are in threaded connection with the inside of the connecting box (10).

6. The image projection device for business teaching of claim 5, wherein the inner side of the top of the connecting frame (11) is fixedly connected with a mounting plate (12), and both ends of the mounting plate (12) are provided with a plurality of mounting holes.

Images