CN211951982U - College english multimedia teaching demonstration equipment - Google Patents

Abstract

The utility model belongs to the technical field of multimedia teaching presentation equipment, especially, be a college english multimedia teaching presentation equipment, including shell and action bars, the work pivot is installed to the lower part of shell, and the end of work pivot installs the projecting apparatus to the both sides of projecting apparatus outer wall are fixed with the connecting rod, the outside of connecting rod is connected with the spread groove, the outside of backup pad is connected with the board groove, the both sides at the shell outer wall are installed to the action bars, the lower extreme of extrusion piece is connected with the stripper bar, the sucking disc is installed to the lower extreme of a support section of thick bamboo, the action bars is installed in the outside of stripper bar. This college english multimedia teaching demonstration equipment has designed the structure that has the adsorption and positioning function, has solved the inconvenient fixed problem of traditional device, has designed the structure that has the extrusion function, has solved the inconvenient problem of adjusting broadcast angle of traditional device, has designed the structure that has safeguard function simultaneously, has solved the poor problem of traditional device protecting effect.

Description

College english multimedia teaching demonstration equipment

Technical Field

The utility model relates to a multimedia teaching demonstration equipment technical field specifically is a college english multimedia teaching demonstration equipment.

Background

Along with the popularization of modern teaching equipment, more and more schools use multimedia equipment to impart knowledge to students, demonstrate the teaching courseware wherein through demonstration equipment, effectively improved the efficiency of teaching, make things convenient for the teacher to give lessons.

Along with multimedia teaching demonstration equipment's use, the shortcoming of traditional projecting apparatus in the use also shows gradually, and current projecting apparatus is direct to be placed on the desktop usually, can't be fully fixed equipment, leads to the equipment touching easily to empty, and traditional equipment structure is fixed, and inconvenient regulation broadcast angle can't effectively protect the camera lens on the equipment simultaneously, uses the camera lens easily to wear and tear for a long time.

In conclusion, the existing multimedia teaching demonstration equipment has the defects of inconvenience in fixing, inconvenience in adjusting the playing angle and poor protection effect when in use. Aiming at the problems, innovative design is urgently needed on the basis of the original multimedia teaching demonstration equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a college english multimedia teaching demonstration equipment to provide inconvenient fixed in solving above-mentioned background art, inconvenient regulation broadcast angle and the poor problem of protecting effect.

In order to achieve the above object, the utility model provides a following technical scheme: a college English multimedia teaching demonstration device comprises a shell and a working rod, wherein the lower part of the shell is provided with a working rotating shaft, the tail end of the working rotating shaft is provided with a projector, connecting rods are fixed on two sides of the outer wall of the projector, the outer side of each connecting rod is connected with a connecting groove, the connecting grooves are formed in two sides of the shell, the lower end of each connecting rod is connected with a supporting plate, the outer side of each supporting plate is connected with a plate groove, the plate groove is formed in the middle of the outer wall of the shell, the lower end of each supporting plate is provided with an adjusting rod, the adjusting rods are arranged on the outer part of the shell at the same time, the working rod is arranged on two sides of the outer wall of the shell, the tail end of each working rod is fixed with a baffle plate, the lower end of each working rod is connected, and a supporting cylinder is installed at the lower end of the shell, a sucker is installed at the lower end of the supporting cylinder, a right-angle rod is installed inside the supporting cylinder, the lower end of the right-angle rod is connected with an extrusion plate, an operating rod is installed on the outer side of the extrusion plate, and the operating rod is installed on two sides of the lower end of the shell.

Preferably, the projector forms a rotating structure through the working rotating shaft and the shell, and the projector forms a sliding structure through the connecting rod and the connecting groove.

Preferably, connecting rod and backup pad are the block connection, and backup pad and board groove are sliding connection to backup pad and regulation pole pass through swivel bearing and constitute rotating-structure, adjust pole and shell simultaneously and be threaded connection.

Preferably, the working rod is in clamping connection with the extrusion block, and the extrusion block is in sliding connection with the shell.

Preferably, the extrusion block and the extrusion rod are in clamping connection, and the extrusion rod and the shell are in threaded connection.

Preferably, action bars and stripper plate are threaded connection, and stripper plate and right-angle pole are the block connection to right-angle pole and support a section of thick bamboo for sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that: the college English multimedia teaching demonstration equipment adopts a novel structural design, designs a structure with an adsorption positioning function, solves the problem that a traditional device is inconvenient to fix, designs a structure with an extrusion function, solves the problem that the traditional device is inconvenient to adjust a playing angle, designs a structure with a protection function, and solves the problem that the traditional device is poor in protection effect;

1. the shell is placed on the horizontal smooth desktop, the sucker adsorbs the desktop, the operating rod is further rotated, and the operating rod drives the leather plug connected with the lower end of the right-angle rod to move upwards through the extrusion plate, so that the internal pressure and the external pressure of the sucker are increased, and the problem that the traditional device is inconvenient to fix is solved;

2. the adjusting rod is rotated to drive the supporting plate to support the connecting rod, the connecting rod drives the projector to slide in the connecting groove, the projector rotates relative to the shell through the working rotating shaft, the playing angle of the projector is adjusted, and the problem that the playing angle of a traditional device is inconvenient to adjust is solved;

3. the front end lens of the projector is protected through the baffle, the extrusion rod moves downwards through rotating the extrusion rod, the extrusion rod removes extrusion of the working rod, the baffle and the working rod are rotated, the baffle removes shielding of the projector, use of the projector is achieved, and the problem that a traditional device is poor in protection effect is solved.

Drawings

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

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 1. a housing; 2. a working rotating shaft; 3. a projector; 4. a connecting rod; 5. connecting grooves; 6. a support plate; 7. a plate groove; 8. adjusting a rod; 9. a working lever; 10. a baffle plate; 11. extruding the block; 12. an extrusion stem; 13. a support cylinder; 14. a suction cup; 15. a right-angle rod; 16. a pressing plate; 17. an operating lever.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a college English multimedia teaching demonstration device comprises a shell 1, a working rotating shaft 2, a projector 3, a connecting rod 4, a connecting groove 5, a supporting plate 6, a plate groove 7, an adjusting rod 8, a working rod 9, a baffle 10, an extrusion block 11, an extrusion rod 12, a supporting cylinder 13, a suction disc 14, a right-angle rod 15, an extrusion plate 16 and an operating rod 17, wherein the working rotating shaft 2 is installed at the lower part of the shell 1, the projector 3 is installed at the tail end of the working rotating shaft 2, the connecting rod 4 is fixed at two sides of the outer wall of the projector 3, the connecting groove 5 is connected with the outer side of the connecting rod 4, the connecting groove 5 is arranged at two sides of the shell 1, the supporting plate 6 is connected with the lower end of the connecting rod 4, the plate groove 7 is arranged at the middle part of the outer wall of the shell 1, the adjusting rod 8 is installed at the lower end, the both sides at 1 outer wall of shell are installed to work pole 9, and the end of work pole 9 is fixed with baffle 10, and the lower extreme of work pole 9 is connected with stripper block 11, stripper block 11 installs the outside at shell 1 simultaneously, the lower extreme of stripper block 11 is connected with stripper bar 12, and stripper bar 12 installs the lower part at 1 outer wall of shell, and support tube 13 is installed to the lower extreme of shell 1, sucking disc 14 is installed to the lower extreme of support tube 13, and the internally mounted of support tube 13 has right angle pole 15, and the lower extreme of right angle pole 15 is connected with stripper plate 16, action bars 17 are installed in the outside of stripper plate 16, and action bars 17 installs the both sides at the lower extreme of shell 1.

In the embodiment, the projector 3 forms a rotating structure through the working rotating shaft 2 and the shell 1, and the projector 3 forms a sliding structure through the connecting rod 4 and the connecting groove 5, so that the projector 3 can effectively rotate relative to the shell 1 through the working rotating shaft 2, and the projector 3 can effectively drive the connecting rod 4 to move in the connecting groove 5, so that the structure with the angle adjusting function on the device can effectively operate;

the connecting rod 4 is connected with the supporting plate 6 in a clamping manner, the supporting plate 6 is connected with the plate groove 7 in a sliding manner, the supporting plate 6 and the adjusting rod 8 form a rotating structure through a rotating bearing, and meanwhile, the adjusting rod 8 is connected with the shell 1 in a threaded manner, so that the adjusting rod 8 can effectively drive the supporting plate 6 to move in the plate groove 7, and the supporting plate 6 further drives the projector 3 to move through the connecting rod 4;

the working rod 9 is connected with the extrusion block 11 in a clamping manner, and the extrusion block 11 is connected with the shell 1 in a sliding manner, so that the extrusion block 11 can effectively fix the position of the working rod 9, and the protection of the front-end lens of the projector 3 by the baffle 10 is further realized;

the extrusion block 11 is connected with the extrusion rod 12 in a clamping manner, and the extrusion rod 12 is connected with the shell 1 in a threaded manner, so that the extrusion rod 12 can effectively drive the extrusion block 11 to move, and the positions of the working rod 9 and the baffle 10 on the device are further fixed;

operating rod 17 and stripper plate 16 are threaded connection, and stripper plate 16 and right angle pole 15 are connected for the block to right angle pole 15 and support a section of thick bamboo 13 are sliding connection, and this kind of design has guaranteed that operating rod 17 can effectively drive stripper plate 16 and extrude right angle pole 15, thereby further drives the inside air motion of a support section of thick bamboo 13 and sucking disc 14 through the leather plug of right angle pole 15 lower extreme setting.

The working principle is as follows: when using the device, first the projector 3 in the device is powered on, wherein the model of the projector 3 is Mingkin EP 7930;

the front end lens of the projector 3 is protected by the baffle 10, when the projector 3 needs to be used, the extrusion rod 12 is rotated, the extrusion rod 12 moves downwards, the extrusion rod 12 removes extrusion on the working rod 9, the baffle 10 and the working rod 9 are rotated, the working rod 9 rotates through a rotary bearing connected with the working rod 9 and the shell 1, the working rod 9 drives the baffle 10 to rotate through the rotary bearing connected with the working rod 9 and the shell 1, the baffle 10 removes shielding of the projector 3, and the projector 3 is used;

when the playing angle of the projector 3 needs to be adjusted, the adjusting rod 8 is rotated, the adjusting rod 8 drives the supporting plate 6 to move up and down in the plate groove 7, the supporting plate 6 supports the connecting rod 4, the connecting rod 4 drives the projector 3 to slide in the connecting groove 5, and the projector 3 rotates relative to the shell 1 through the working rotating shaft 2, so that the playing angle of the projector 3 is adjusted;

when needs are fixed the device position, place shell 1 on the smooth desktop of level, the device extrudees sucking disc 14, 14 inside air discharge to sucking disc 14 outsidely of sucking disc, sucking disc 14 adsorbs the desktop, further rotate action bars 17, action bars 17 drives stripper plate 16 upward movement, stripper plate 16 drives the leather plug upward movement that right angle pole 15 and right angle pole 15 lower extreme are connected, the leather plug is through the inside air of a supporting cylinder 13 twitch sucking disc 14, thereby 14 inside and outside pressure increase of sucking disc, further realize the fixed of device and desktop position.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A college english multimedia teaching demonstration equipment, includes shell (1) and work bar (9), its characterized in that: the working rotating shaft (2) is installed on the lower portion of the shell (1), the projector (3) is installed at the tail end of the working rotating shaft (2), the connecting rods (4) are fixed to the two sides of the outer wall of the projector (3), the connecting grooves (5) are connected to the outer side of the connecting rods (4), the connecting grooves (5) are formed in the two sides of the shell (1), the lower end of the connecting rods (4) is connected with the supporting plate (6), the plate groove (7) is connected to the outer side of the supporting plate (6), the plate groove (7) is formed in the middle of the outer wall of the shell (1), the adjusting rod (8) is installed at the lower end of the supporting plate (6), the adjusting rod (8) is installed on the outer portion of the shell (1), the working rods (9) are installed on the two sides of the outer wall of the shell (1), the baffle (10) is fixed to the tail end of the, the outside at shell (1) is installed in simultaneously extrusion block (11), the lower extreme of extrusion block (11) is connected with squeeze bar (12), and squeeze bar (12) install the lower part at shell (1) outer wall to support a section of thick bamboo (13) is installed to the lower extreme of shell (1), sucking disc (14) are installed to the lower extreme of supporting a section of thick bamboo (13), and the internally mounted who supports a section of thick bamboo (13) has right angle pole (15) to the lower extreme of right angle pole (15) is connected with stripper plate (16), action bars (17) are installed in the outside of stripper plate (16), and install in the both sides of shell (1) lower extreme in action bars (17).

2. The college english language multimedia teaching presentation device according to claim 1, characterized in that: the projector (3) forms a rotating structure through the working rotating shaft (2) and the shell (1), and the projector (3) forms a sliding structure through the connecting rod (4) and the connecting groove (5).

3. The college english language multimedia teaching presentation device according to claim 1, characterized in that: connecting rod (4) and backup pad (6) are connected for the block, and backup pad (6) and board groove (7) are sliding connection to backup pad (6) and regulation pole (8) pass through the rotating bearing and constitute revolution mechanic, adjust pole (8) and shell (1) for threaded connection simultaneously.

4. The college english language multimedia teaching presentation device according to claim 1, characterized in that: the working rod (9) is connected with the extrusion block (11) in a clamping manner, and the extrusion block (11) is connected with the shell (1) in a sliding manner.

5. The college english language multimedia teaching presentation device according to claim 1, characterized in that: the extrusion block (11) is connected with the extrusion rod (12) in a clamping manner, and the extrusion rod (12) is connected with the shell (1) in a threaded manner.

6. The college english language multimedia teaching presentation device according to claim 1, characterized in that: the operating rod (17) is in threaded connection with the extrusion plate (16), the extrusion plate (16) is in clamping connection with the right-angle rod (15), and the right-angle rod (15) is in sliding connection with the support cylinder (13).

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