CN213840244U

CN213840244U - Projection angle adjustable multimedia equipment for computer specialty teaching

Info

Publication number: CN213840244U
Application number: CN202022658967.2U
Authority: CN
Inventors: 张瑞英; 贾和平; 刘广田
Original assignee: Ordos Vocational College Of Eco Environment
Current assignee: Ordos Vocational College Of Eco Environment
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-30
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a but projection angle's multimedia device is used in computer major teaching, including the device main part, the device main part includes multimedia main part, projection base and projection main part, multimedia main part's top fixed mounting has the projection base, and the top of projection base is provided with the projection main part, be provided with angle regulation structure between projection base and the projection main part, angle regulation structure includes connecting rod, horizontal rotating shaft, first dead lever, rotatory pivot, first loop bar, first bracing piece, second dead lever, first spring and first spout, multimedia main part's top fixed mounting has the connecting rod, and the top of connecting rod has first dead lever through horizontal rotating shaft swing joint. The utility model provides a projection main part be not convenient for carry out the problem of angle modulation, improved the convenience of operating personnel operation, practiced thrift the time of operation, improved the practicality simultaneously.

Description

Projection angle adjustable multimedia equipment for computer specialty teaching

Technical Field

The utility model relates to a multimedia device technical field specifically is a multimedia device is used in teaching of computer specialty of adjustable projection angle.

Background

With the progress and development of society, the application of multimedia is more and more extensive, most of which begin to teach on multimedia, and multimedia teaching refers to teaching process, according to the characteristics of teaching target and teaching object, generally needs to use the multimedia equipment for computer professional teaching, brings great convenience to people's teaching, so it can be known that the existing multimedia equipment for computer professional teaching basically meets people's needs, but still has some problems.

The first problem is that: most of the existing multimedia equipment for computer professional teaching are fixedly designed during projection on most of equipment in use, and generally cannot be adjusted and rotated, so that the user cannot watch the multimedia equipment more comprehensively.

The second problem is that: most of existing multimedia equipment for computer major teaching can be designed only in a single mode, the protection function is low, operators can knock against the equipment carelessly during operation, and therefore the use of the equipment can be affected, and therefore the multimedia equipment for computer major teaching with the projection angle adjustable is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multimedia device is used in teaching of computer specialty of adjustable projection angle to the problem of being not convenient for carry out angle regulation and not being convenient for protect that proposes in solving above-mentioned background.

In order to achieve the above object, the utility model provides a following technical scheme: a projection angle adjustable multimedia device for computer professional teaching comprises a device main body, wherein the device main body comprises a multimedia main body, a projection base and a projection main body, the top end of the multimedia main body is fixedly provided with the projection base, the top end of the projection base is provided with the projection main body, an angle adjusting structure is arranged between the projection base and the projection main body and comprises a connecting rod, a horizontal rotating shaft, a first fixing rod, a rotating shaft, a first sleeve rod, a first supporting rod, a second fixing rod, a first spring and a first sliding groove, the top end of the multimedia main body is fixedly provided with the connecting rod, the top end of the connecting rod is movably connected with the first fixing rod through the horizontal rotating shaft, the top end of the first fixing rod is provided with the projection main body, and the right end of the projection main body is movably connected with the middle part of the top end of the first fixing rod through the rotating shaft, the bottom end of the projection main body is movably connected with a first supporting rod through a bearing, a first sleeve rod is sleeved outside the first supporting rod, a second fixing rod is fixedly installed at the bottom end inside the first sleeve rod, the second fixing rod is movably installed inside the first supporting rod, a first spring is wound outside the second fixing rod, and a protection mechanism is arranged outside the lower end of the multimedia main body.

Preferably, the protection mechanism comprises a protection shell, a second loop bar, a second support bar, a second spring, a limit block, a second chute, a second slide block, a third spring and a hinge rod, a protective shell is sleeved outside the lower end of the multimedia main body, the upper end and the lower end of one side of the multimedia main body are fixedly provided with second loop bars, the second sleeve rod is designed symmetrically, a second support rod is movably arranged in the second sleeve rod, the rear side of the second supporting rod is fixedly connected with the rear side in the protective shell, the middle end of the rear side of the multimedia main body is provided with a second sliding chute, and the upper end and the lower end in the second chute are both connected with a second sliding block in a sliding way, the rear side of the second sliding block is movably connected with a hinged rod through a bearing, and the rear side of the hinged rod is movably connected to the front side inside the protective shell through a bearing, and a third spring is welded between the second sliding blocks.

Preferably, the left end and the right end of the inside of the first sleeve rod are both provided with a first sliding groove, the inside of the first sliding groove is connected with a first sliding block in a sliding manner, and the right side of the first sliding block is fixedly connected to the lower end of the left side of the first supporting rod.

Preferably, one side of one end of the top end of the first loop bar, which is far away from the first supporting bar, is glued with a rubber block, and the rubber block is designed symmetrically.

Preferably, the rubber pad is glued to the outside of the rotary rotating shaft, the anti-skid soft pad is glued to the outside of the horizontal rotating shaft, and the anti-skid soft pad is made of rubber.

Preferably, the upper end and the lower end of the second supporting rod are fixedly provided with limiting blocks, and the limiting blocks are mutually clamped with the inner part of the second sleeve rod.

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

1. the multimedia device capable of adjusting the projection angle for computer major teaching is provided with an angle adjusting structure, a horizontal rotating shaft is rotated, a first fixed rod is rotated to adjust the direction until the first fixed rod is rotated to a proper position, then the horizontal rotating shaft is rotated until the horizontal rotating shaft is screwed down, a rotating shaft is rotated again, a projection main body is rotated again, the angle of the projection main body is adjusted, under the rotation of the projection main body, a first supporting rod is stressed by pressure or tension, and under the matching of a first sliding groove and a first sliding block, a first supporting rod moves downwards or upwards, so that the problem that the projection main body is inconvenient to adjust the angle is solved, the convenience of operation of operators is improved, the operation time is saved, and meanwhile, the practicability is improved;

2. this multimedia device is used in teaching of computer specialty of adjustable projection angle is provided with protection machanism, through when multimedia subject receives to collide with, the protecting crust receives pressure, under the cooperation of second spout and second slider, the angle of hinge bar takes place to adjust, the second bracing piece removes to the front end, under the elastic action of second spring and third spring, the protecting crust returns the normal position, the problem of multimedia subject not convenient for protect has been solved, the practicality is improved, the ease for use has been improved simultaneously.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B in fig. 2 according to the present invention.

In the figure: 100. a device main body; 110. a multimedia body; 120. a projection base; 130. a projection main body; 200. an angle adjusting structure; 210. a connecting rod; 220. a horizontal rotating shaft; 230. a first fixing lever; 240. rotating the rotating shaft; 250. a first loop bar; 260. a first support bar; 270. a second fixing bar; 280. a first spring; 290. a first chute; 291. a first slider; 300. a protection mechanism; 310. a protective shell; 320. a second loop bar; 330. a second support bar; 340. a second spring; 350. a limiting block; 360. a second chute; 370. a second slider; 380. a third spring; 390. a hinged 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. 1-4, the present invention provides an embodiment: a multimedia device with adjustable projection angle for computer professional teaching comprises a device main body 100, wherein the device main body 100 comprises a multimedia main body 110, a projection base 120 and a projection main body 130, the projection base 120 is fixedly installed at the top end of the multimedia main body 110, the projection main body 130 is arranged at the top end of the projection base 120, an angle adjusting structure 200 is arranged between the projection base 120 and the projection main body 130, the angle adjusting structure 200 comprises a connecting rod 210, a horizontal rotating shaft 220, a first fixing rod 230, a rotating shaft 240, a first sleeve 250, a first supporting rod 260, a second fixing rod 270, a first spring 280 and a first sliding groove 290, the connecting rod 210 is fixedly installed at the top end of the multimedia main body 110, the first fixing rod 230 is movably connected to the top end of the connecting rod 210 through the horizontal rotating shaft 220, the projection main body 130 is arranged at the top end of the first fixing rod 230, and the right end of the projection main body 130 is movably connected to the, the bottom of projection main part 130 has first bracing piece 260 through bearing swing joint, and the outside cover of first bracing piece 260 is equipped with first loop bar 250, the inside bottom fixed mounting of first loop bar 250 has second dead lever 270, and second dead lever 270 movable mounting is in the inside of first bracing piece 260, the outside winding of second dead lever 270 has first spring 280, the outside of multimedia main part 110 lower extreme is provided with protection machanism 300, be convenient for carry out the regulation of angle and direction to projection main part 130, the convenience of operating personnel operation has been improved, the time of operation has been practiced thrift, and the practicality has been improved simultaneously.

The protection mechanism 300 includes a protection shell 310, a second loop bar 320, a second support bar 330, a second spring 340, a limit block 350, a second sliding groove 360, a second sliding block 370, a third spring 380 and a hinge bar 390, wherein the protection shell 310 is sleeved outside the lower end of the multimedia main body 110, the second loop bar 320 is fixedly installed at the upper end and the lower end of one side of the multimedia main body 110, the second loop bar 320 is designed symmetrically, the second support bar 330 is movably installed inside the second loop bar 320, the rear side of the second support bar 330 is fixedly connected to the rear side inside the protection shell 310, the second sliding groove 360 is opened at the middle end of the rear side of the multimedia main body 110, the second sliding block 370 is slidably connected at the upper end and the lower end inside the second sliding groove 360, the hinge bar 390 is movably connected at the rear side of the second sliding block 370 through a bearing, the rear side of the hinge bar 390 is movably connected to the front side inside the protection shell 310 through a bearing, and the third spring 380 is welded between the two second sliding blocks 370, the protection of the multimedia body 110 is facilitated, the practicability is improved, and the usability is improved.

First spout 290 has all been seted up at both ends about first loop bar 250 is inside, and the inside sliding connection of first spout 290 has first slider 291, and the right side fixed connection of first slider 291 reciprocates at the temporal part of first loop bar 250 in first support bar 260 left lower extreme, the first support bar 260 of being convenient for.

One side of one end of the top end of the first sleeve rod 250, which is far away from the first supporting rod 260, is glued with a rubber block, and the rubber block is designed symmetrically, so that the damage caused by the mutual friction between the bottom end of the projection main body 130 and the bottom end of the first sleeve rod 250 is prevented.

The outside glue of rotatory pivot 240 has the rubber pad, and the outside glue of horizontal rotating shaft 220 has anti-skidding cushion, and anti-skidding cushion is the rubber material, is convenient for rotate the operation horizontal rotating shaft 220 and rotatory pivot 240, has improved the travelling comfort simultaneously.

The upper and lower ends of the second supporting rod 330 are fixedly mounted with a limiting block 350, and the limiting block 350 is engaged with the inside of the second sleeve rod 320 to prevent the second supporting rod 330 from moving out of the inside of the second sleeve rod 320.

The working principle is as follows: when the angle and direction of the projection main body 130 need to be adjusted, the horizontal rotating shaft 220 is rotated, the first fixing rod 230 is rotated to adjust the direction until the first fixing rod is rotated to a proper position, then the horizontal rotating shaft 220 is rotated until the first fixing rod is screwed down, the rotating shaft 240 is rotated, the projection main body 130 is rotated again to adjust the angle of the projection main body 130, and the first supporting rod 260 is pressed or pulled by the rotation of the projection main body 130, and the first supporting rod 260 moves downwards or upwards under the matching of the first sliding groove 290 and the first sliding block 291.

When the multimedia body 110 needs to be protected, firstly, when the multimedia body 110 is collided, the protective shell 310 is pressed, the angle of the hinge rod 390 is adjusted under the matching of the second sliding groove 360 and the second sliding block 370, the second supporting rod 330 moves towards the front end, and the second spring 340 and the third spring 380 are pressed, so that the restoring force is provided, the protective shell 310 returns to the original position, and the operation is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an adjustable projection angle's multimedia device for computer specialty teaching, includes device main part (100), device main part (100) include multimedia main part (110), projection base (120) and projection main part (130), the top fixed mounting of multimedia main part (110) has projection base (120), and the top of projection base (120) is provided with projection main part (130), its characterized in that: an angle adjusting structure (200) is arranged between the projection base (120) and the projection main body (130), the angle adjusting structure (200) comprises a connecting rod (210), a horizontal rotating shaft (220), a first fixing rod (230), a rotating shaft (240), a first loop bar (250), a first supporting rod (260), a second fixing rod (270), a first spring (280) and a first sliding chute (290), the connecting rod (210) is fixedly installed at the top end of the multimedia main body (110), the top end of the connecting rod (210) is movably connected with the first fixing rod (230) through the horizontal rotating shaft (220), the projection main body (130) is arranged at the top end of the first fixing rod (230), the right end of the projection main body (130) is movably connected with the middle part of the top end of the first fixing rod (230) through the rotating shaft (240), the bottom end of the projection main body (130) is movably connected with the first supporting rod (260) through a bearing, and the outside cover of first bracing piece (260) is equipped with first loop bar (250), the inside bottom fixed mounting of first loop bar (250) has second dead lever (270), and second dead lever (270) movable mounting in the inside of first bracing piece (260), the outside winding of second dead lever (270) has first spring (280), the outside of multimedia body (110) lower extreme is provided with protection machanism (300).

2. The computer professional teaching multimedia device with adjustable projection angle of claim 1, wherein: the protection mechanism (300) comprises a protection shell (310), a second loop bar (320), a second support bar (330), a second spring (340), a limiting block (350), a second sliding groove (360), a second sliding block (370), a third spring (380) and a hinged rod (390), wherein the protection shell (310) is sleeved outside the lower end of the multimedia main body (110), the second loop bar (320) is fixedly installed at the upper end and the lower end of one side of the multimedia main body (110), the second loop bar (320) is designed symmetrically, the second support bar (330) is movably installed inside the second loop bar (320), the rear side of the second support bar (330) is fixedly connected to the rear side inside the protection shell (310), the second sliding groove (360) is formed in the middle end of the rear side of the multimedia main body (110), and the second sliding block (370) is slidably connected to the upper end and the lower end of the inside of the second sliding groove (360), the rear side of the second sliding block (370) is movably connected with a hinged rod (390) through a bearing, the rear side of the hinged rod (390) is movably connected with the front side inside the protective shell (310) through a bearing, and a third spring (380) is welded between the second sliding blocks (370).

3. The computer professional teaching multimedia device with adjustable projection angle of claim 1, wherein: first chutes (290) are formed in the left end and the right end of the inside of the first loop bar (250), first sliding blocks (291) are connected to the inside of the first chutes (290) in a sliding manner, and the right sides of the first sliding blocks (291) are fixedly connected to the lower ends of the left sides of the first supporting bars (260).

4. The computer professional teaching multimedia device with adjustable projection angle of claim 1, wherein: one end of the top end of the first loop bar (250) is glued with a rubber block on one side far away from the first supporting bar (260), and the rubber blocks are designed symmetrically.

5. The computer professional teaching multimedia device with adjustable projection angle of claim 1, wherein: the rubber pad is glued to the outside of the rotary rotating shaft (240), the anti-slip soft pad is glued to the outside of the horizontal rotating shaft (220), and the anti-slip soft pad is made of rubber.

6. The computer professional teaching multimedia device with adjustable projection angle of claim 2, wherein: the upper end and the lower end of the second supporting rod (330) are fixedly provided with limiting blocks (350), and the limiting blocks (350) are mutually clamped with the inner part of the second sleeve rod (320).