CN211787611U

CN211787611U - Multimedia device

Info

Publication number: CN211787611U
Application number: CN202020227675.0U
Authority: CN
Inventors: 骆琴; 戴顺; 盛园; 谢鹏
Original assignee: Hunan Nonferrous Metals Vocational and Technical College
Current assignee: Hunan Nonferrous Metals Vocational and Technical College
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-27
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to a teaching auxiliary assembly technical field specifically is a multimedia device, including main tributary strut, projecting apparatus and audio generator, the projecting apparatus rotates through the pivot and is connected with the both sides stabilizer blade of main tributary strut, and two stabilizer blade lower extremes of main tributary strut all are connected with the extension stabilizer blade, and beneficial effect is: the projector in the utility model is rotationally connected with the main support frame through the rotating shafts on two sides, so that the projector can be turned over up and down within a certain angle, the projection angle of the projector is adjusted, and then the elastic jacking block is screwed down, so that the elastic rubber block at the inner end of the elastic jacking block is tightly pressed and collided with the jacking disk, the rotation of the rotating shafts is limited, and the irradiation angle of the projector is fixed; the supporting heights of the supporting legs at the two sides of the main supporting frame can be adjusted by adjusting the relative positions of the supporting legs at the two sides of the main supporting frame and the extending supporting legs connected with the main supporting frame.

Description

Multimedia device

Technical Field

The utility model relates to a teaching auxiliary assembly technical field specifically is a multimedia device.

Background

In thinking political affairs education and giving lessons, combine modern teaching media and traditional teaching means organic combination, participate in the teaching overall process jointly to multiple media information acts on the student, forms reasonable teaching process structure, reaches the teaching effect of optimization. The projector is a common device in a multimedia system, and the traditional projector is usually fixedly installed and is not used in outdoor interactive teaching, so that the teaching effect is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multimedia device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multimedia device, includes main tributary strut, projecting apparatus and audio generator, the main tributary strut is "U" font support of back-off, and the both sides stabilizer blade lower extreme of main tributary strut is connected with the extension stabilizer blade, the both sides of projecting apparatus all are provided with the pivot, and the projecting apparatus rotates through the pivot and the both sides stabilizer blade of main tributary strut to be connected, there is the stereo set support two stabilizer blade inside wall below of main tributary strut through the bolt fastening, and the stereo set support passes through screw fixedly connected with audio generator, the two stabilizer blade lower ends of main tributary strut all are connected with the extension stabilizer blade.

Preferably, the outer wall of the supporting leg on one side of the main supporting frame is integrally formed with an elastic seat corresponding to the rotating shaft, the rotating shaft is welded to the outer wall inside the elastic seat, and the outer port of the elastic seat is connected with an elastic ejecting block through threads.

Preferably, the elastic rubber block is bonded at the inner end of the elastic ejecting block, the elastic rubber block at the inner end of the elastic ejecting block is in contact with the ejecting disc, and the outer wall of the outer end part of the elastic ejecting block is provided with anti-skid friction grains.

Preferably, the outer side wall of the support leg of the main support frame is welded with a guide pin rod and a screw rod, the extension support leg is provided with a guide groove which guides along the vertical direction, and the guide pin rod and the screw rod penetrate through the guide groove which is formed along the extension support leg.

Preferably, the outer end of the screw rod is screwed with a loose nut, and the loose nut is tightly attached to the outer side wall of the extension supporting leg.

Preferably, the lower end of each extension supporting leg is welded with a supporting plate, reinforcing rib plates are welded between the upper surface of each supporting plate and two side walls of each extension supporting leg, a lifting handle is arranged at the upper end of each main supporting frame, and an anti-skid rubber sleeve is sleeved outside each lifting handle.

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

1. the projector in the utility model is rotationally connected with the main support frame through the rotating shafts on two sides, so that the projector can be turned over up and down within a certain angle, the projection angle of the projector is adjusted, and then the elastic jacking block is screwed down, so that the elastic rubber block at the inner end of the elastic jacking block is tightly pressed and collided with the jacking disk, the rotation of the rotating shafts is limited, and the irradiation angle of the projector is fixed;

2. the utility model discloses a guarantee the level of projecting apparatus and shine, through the relative position who adjusts main tributary strut both sides stabilizer blade rather than the extension stabilizer blade of being connected, reach the bearing height who adjusts main tributary strut both sides stabilizer blade, then through screwing up the elasticity nut, make the lateral wall setting that the extension stabilizer blade is hugged closely to the elasticity nut, will prolong the stabilizer blade and fix on the stabilizer blade of main tributary strut.

Drawings

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

FIG. 2 is a front view and a half sectional view of the structure of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: the device comprises a main support frame 1, a projector 2, an audio generator 3, extension support legs 4, a rotating shaft 5, a tightening seat 6, a tightening top block 7, a sound box support 8, a guide pin rod 9, a screw rod 10, a guide groove 11, a tightening nut 12, a support plate 13, a lifting handle 14 and a top plate 15.

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 to 3, the present invention provides a technical solution: the utility model provides a multimedia device, including main tributary strut 1, projecting apparatus 2 and audio generator 3, combine fig. 1 and fig. 2 to show, main tributary strut 1 is "U" font support of back-off, main tributary strut 1's both sides stabilizer blade lower extreme is connected with extension stabilizer blade 4, projecting apparatus 2's both sides all are provided with pivot 5, and projecting apparatus 2 rotates with main tributary strut 1's both sides stabilizer blade through pivot 5 to be connected, projecting apparatus 2 can overturn from top to bottom in certain angle, adjust projecting apparatus 2's projection angle.

Combine shown in fig. 2 and 3, one side stabilizer blade outer wall of main tributary strut 1 corresponds 5 department integrated into one piece of pivot has elasticity seat 6, the outer wall welding that pivot 5 is located elasticity seat 6 inside has a set 15, there is elasticity kicking block 7 outer port of elasticity seat 6 through threaded connection, the elastic rubber piece of the inner bonding of elasticity kicking block 7, through screwing up elasticity kicking block 7, make the elastic rubber piece in elasticity kicking block 7 the inner sticiss the conflict with set 15 mutually, restriction pivot 5's rotation, the angle of illumination of fixed projecting apparatus 2, the outer tip outer wall of elasticity kicking block 7 is provided with anti-skidding friction line, the convenience is twistd reverse elasticity kicking block 7.

Combine fig. 1 and fig. 2 to show, main support frame 1's two stabilizer inside wall below is fixed with stereo set support 8 through the bolt, and stereo set support 8 passes through screw fixedly connected with audio generator 3, and audio generator 3 can combine 2 projection imaging functions of projecting apparatus, plays the audio frequency, strengthens the teaching effect.

As shown in fig. 1 and 2, the lower ends of the two legs of the main support frame 1 are connected to extension legs 4, the outer side walls of the legs of the main support frame 1 are welded with guide pins 9 and screws 10, guide grooves 11 which guide in the vertical direction are formed in the extension legs 4, the guide pins 9 and the screws 10 penetrate through the guide grooves 11 formed in the extension legs 4, the relative positions of the legs of the extension legs 4 and the main support frame 1 can be adjusted, the supporting height of the legs on the two sides of the main support frame 1 is adjusted, the outer ends of the screws 10 are screwed with nuts 12, the nuts 12 are screwed tightly, the outer side walls of the extension legs 4 are tightly attached to the nuts 12, and the extension legs 4 are fixed on the legs of the main support frame 1.

The lower extreme welding of extension stabilizer blade 4 has supporting disk 13, is supported by supporting disk 13, and the welding has the reinforced floor between the both sides wall of supporting disk 13 upper surface and extension stabilizer blade 4, strengthens supporting disk 13 and extension stabilizer blade 4's structural connection, and main tributary strut 1's upper end is provided with handle 14, and handle 14 is pulled to the outside cover is equipped with the anti-skidding rubber sleeve, and is convenient for right through handheld handle 14 is pulled to the handle the utility model discloses carry.

The working principle is as follows: in the utility model, the projector 2 is rotatably connected with the main support frame 1 through the rotating shafts 5 at two sides, so that the projector 2 can be turned over up and down within a certain angle, the projection angle of the projector 2 is adjusted, and then the elastic top block 7 is screwed down, so that the elastic rubber block at the inner end of the elastic top block 7 is tightly pressed and collided with the top disc 15, the rotation of the rotating shaft 5 is limited, and the irradiation angle of the projector 2 is fixed; in order to ensure the horizontal irradiation of the projector 2, the supporting heights of the supporting legs at the two sides of the main support frame 1 are adjusted by adjusting the relative positions of the supporting legs at the two sides of the main support frame 1 and the extending supporting legs 4 connected with the main support frame, then the elastic nuts 12 are screwed, the elastic nuts 12 are tightly attached to the outer side walls of the extending supporting legs 4, and the extending supporting legs 4 are fixed on the supporting legs of the main support frame 1.

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

1. A multimedia device comprising a main support frame (1), a projector (2) and an audio generator (3), characterized in that: main tributary strut (1) is "U" font support of back-off, and the both sides stabilizer blade lower extreme of main tributary strut (1) is connected with extension stabilizer blade (4), the both sides of projecting apparatus (2) all are provided with pivot (5), and projecting apparatus (2) rotate with the both sides stabilizer blade of main tributary strut (1) through pivot (5) and be connected, there are stereo set support (8) two stabilizer blade inside wall below of main tributary strut (1) through the bolt fastening, stereo set support (8) are through screw fixedly connected with audio generator (3), two stabilizer blade lower ends of main tributary strut (1) all are connected with extension stabilizer blade (4).

2. A multimedia apparatus according to claim 1, wherein: the supporting leg outer wall of one side of the main support frame (1) is provided with an elastic seat (6) in an integrated forming mode corresponding to the rotating shaft (5), the rotating shaft (5) is welded on the outer wall inside the elastic seat (6) and is provided with a top disc (15), and an outer port of the elastic seat (6) is connected with an elastic top block (7) through threads.

3. A multimedia apparatus according to claim 2, wherein: elastic rubber blocks are bonded at the inner ends of the elastic jacking blocks (7), the elastic rubber blocks at the inner ends of the elastic jacking blocks (7) are in contact with the jacking disc (15), and anti-skid friction grains are arranged on the outer wall of the outer end portions of the elastic jacking blocks (7).

4. A multimedia apparatus according to claim 1, wherein: the outer side wall of the support leg of the main support frame (1) is welded with a guide pin rod (9) and a screw rod (10), a guide groove (11) which guides along the vertical direction is formed in the extension support leg (4), and the guide pin rod (9) and the screw rod (10) penetrate through the guide groove (11) which is formed along the extension support leg (4).

5. The multimedia device of claim 4, wherein: the outer end of the screw rod (10) is in threaded connection with a loose nut (12), and the loose nut (12) is tightly attached to the outer side wall of the extension supporting leg (4).

6. A multimedia apparatus according to claim 1, wherein: the lower end of each extension supporting leg (4) is welded with a supporting plate (13), reinforcing rib plates are welded between the upper surface of each supporting plate (13) and two side walls of each extension supporting leg (4), a lifting handle (14) is arranged at the upper end of each main supporting frame (1), and an anti-skidding rubber sleeve is sleeved outside each lifting handle (14).