CN214839689U

CN214839689U - Multimedia display device for webpage design popularization

Info

Publication number: CN214839689U
Application number: CN202121196796.4U
Authority: CN
Inventors: 黄方文
Original assignee: Shenzhen Weiaipu Information Technology Co ltd
Current assignee: Shenzhen Weiaipu Information Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-23
Anticipated expiration: 2031-05-31

Abstract

The utility model provides a webpage design is promoted and is used multimedia display device belongs to multimedia display device technical field, the utility model discloses, including bottom plate and adjusting device, the surface of bottom plate is equipped with adjusting device, adjusting device includes four bracing pieces, the inside sliding connection of bracing piece has first hinge bar and second hinge bar, the spout has all been seted up on the surface of first hinge bar and second hinge bar, the fixed surface of first hinge bar installs the backup pad, the fixed surface of backup pad installs the motor, the output shaft fixed mounting of motor has the gear, the fixed surface of first hinge bar installs the rack, a plurality of spacing holes have been seted up on the surface of second hinge bar, the surface threaded connection of bracing piece has the gag lever post. The utility model discloses, solved current multimedia display device and fixed on the support mostly, can not carry out the free adjustment in the angle, leaded to the back row student can not see the content on the curtain in some times, the relatively poor problem of suitability.

Description

Multimedia display device for webpage design popularization

Technical Field

The utility model belongs to the technical field of the multimedia display device, especially, relate to a webpage design is promoted and is used multimedia display device.

Background

The projector is also called a projector, is a device capable of projecting images or videos onto a curtain, can be connected with a computer through different interfaces, is usually placed in a classroom or a conference room and connected with the computer, and puts the content of the computer on the curtain through the projector to play a role in explaining and displaying.

In the teaching course is promoted in the webpage design, teacher's teaching work can use multimedia display device often to make things convenient for its teaching, but multimedia display device among the prior art is fixed on the support mostly, can not carry out the free adjustment in the angle, leads to the back row student can not see the content on the curtain in some times, and the suitability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving present multimedia display device and fixing on the support mostly, can not carry out the free adjustment in the angle, lead to the back row student can not see the content on the curtain in some times, the relatively poor shortcoming of suitability, and the webpage design that proposes uses multimedia display device widely.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a multimedia display device for webpage design and popularization comprises a bottom plate and an adjusting device, wherein the surface of the bottom plate is provided with the adjusting device, the adjusting device comprises four supporting rods, every two of the four supporting rods are symmetrically distributed on the surface of the bottom plate in a group, the inner part of the supporting rod is connected with a first hinged rod and a second hinged rod in a sliding way, the surfaces of the first hinged rod and the second hinged rod are both provided with sliding grooves, a support plate is fixedly arranged on the surface of the first hinge rod, a motor is fixedly arranged on the surface of the support plate, a gear is fixedly arranged on an output shaft of the motor, a rack is fixedly arranged on the surface of the first hinge rod, the surface of the second hinged rod is provided with a plurality of limiting holes, the surface of the supporting rod is in threaded connection with a limiting rod, the size of gag lever post and the big or small looks adaptation in spacing hole, the second hinge rod is with the help of gag lever post and bracing piece fixed connection.

The first hinge rod is connected with the support rod in a sliding mode through a rack, and the gear is meshed with the rack through a motor.

The surface of first articulated rod and second articulated rod all articulates through the round pin axle has the projecting apparatus, the fixed surface of projecting apparatus installs the camera lens, the side fixed mounting of projecting apparatus has external jack.

The surface of projecting apparatus is equipped with protector, protector includes two bar plates, bar plate symmetric distribution is in the upper and lower both sides of projecting apparatus, the surface of bar plate is seted up flutedly, the inside sliding connection of recess has the guard plate, the bar plate is kept away from the one end surface of projecting apparatus and is seted up the bar groove, the inside sliding connection in bar groove has the displacement board, the surperficial threaded connection of bar plate has the bolt.

One end and the guard plate fixed connection in bar groove are kept away from to the displacement plate, the guard plate is with the help of displacement plate and recess sliding connection.

The guard plate is "U" type structure, the both ends of guard plate all are located the inside of two recesses.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, when the projection angle of the projector needs to be adjusted, the motor is turned on, the motor drives the gear to rotate, the gear rotates and the rack is meshed, and further drives the rack to move upwards, the rack moves upwards to drive the first hinged rod to move upwards, the first hinged rod moves upwards to drive the front end of the projector to move upwards, at the moment, the weight of the projector can drive the second hinged rod to move downwards in the supporting rod, finally, the projector is adjusted to a proper angle according to the requirement, when the projection angle of the projector is adjusted, the limiting rod is screwed to enable the limiting rod to be inserted into the corresponding limiting hole, so as to fix the position of the second hinged rod in the supporting rod, and further, the adjusted projection angle is firmly locked and fixed, the purpose of randomly changing the projection angle of the projector is achieved, and the students in the back row can clearly observe the content on the curtain, further increasing the applicability of the device.

2. The utility model discloses in, when the projecting apparatus finishes using, the inside displacement plate of slip bar inslot, the displacement plate removes in the inside in bar groove and drives the antiskid ribbed tile and slide in the inside of recess, when the guard plate just can cover the camera lens of projecting apparatus face in the inside position of recess, screw up the bolt, fix the displacement plate in the rigidity of bar inslot portion, can prevent through the guard plate that outside a large amount of dust from covering on the surface of camera lens, make the camera lens be stained with the dust, when leading to next use, influence the projection effect of projecting apparatus.

Drawings

Fig. 1 is a schematic perspective view of a multimedia display device for webpage design and popularization according to the present invention;

FIG. 2 is a schematic diagram of a side view of a multimedia presentation apparatus for designing and promoting a webpage;

FIG. 3 is a schematic diagram of a multimedia presentation apparatus for webpage design and promotion shown at A in FIG. 1;

FIG. 4 is a schematic diagram of a multimedia presentation apparatus for webpage design and promotion shown at B in FIG. 2;

illustration of the drawings: 1. a base plate; 2. an adjustment device; 201. a support bar; 202. a first hinge lever; 203. a second hinge lever; 204. a chute; 205. a support plate; 206. a motor; 207. a gear; 208. a rack; 209. a limiting hole; 210. a limiting rod; 3. a projector; 4. a lens; 5. connecting an inserting hole externally; 6. a guard; 61. a strip plate; 62. a groove; 63. a protection plate; 64. a strip-shaped groove; 65. a displacement plate; 66. and (4) bolts.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 4, a multimedia display device for webpage design and popularization includes a bottom plate 1 and an adjusting device 2, the adjusting device 2 is disposed on the surface of the bottom plate 1, the surfaces of a first hinge rod 202 and a second hinge rod 203 are both hinged to a projector 3 through a pin, a lens 4 is fixedly mounted on the surface of the projector 3, and an external jack 5 is fixedly mounted on the side surface of the projector 3.

The adjusting device 2 and the guard device 6 will be described in detail below.

As shown in fig. 1 and 3, the adjusting device 2 includes four support rods 201, two of the four support rods 201 are symmetrically distributed on the surface of the bottom plate 1 as a group, a first hinge rod 202 and a second hinge rod 203 are slidably connected inside the support rods 201, sliding grooves 204 are formed on the surfaces of the first hinge rod 202 and the second hinge rod 203, a support plate 205 is fixedly installed on the surface of the first hinge rod 202, a motor 206 is fixedly installed on the surface of the support plate 205, the motor 206 drives a gear 207 to rotate, the gear 207 rotates and is engaged with a rack 208, so as to drive the rack 208 to move upwards, the rack 208 moves upwards to drive the first hinge rod 202 to move upwards, the first hinge rod 202 moves upwards to drive the front end of the projector 3 to move upwards, at this time, the projector 3 is driven by its own weight to move downwards inside the support rods 201, and finally, the projector 3 is adjusted to a suitable angle as required, when the projection angle adjustment of projector 3 is completed, stop lever 210 is twisted, stop lever 210 is inserted into corresponding limiting hole 209, thereby fixing the position of second hinged rod 203 inside supporting rod 201, and further firmly locking and fixing the projection angle after the adjustment is completed, output shaft fixed mounting of motor 206 has gear 207, fixed surface of first hinged rod 202 has rack 208, a plurality of limiting holes 209 have been seted up on the surface of second hinged rod 203, the surface threaded connection of supporting rod 201 has stop lever 210.

The size of the limiting rod 210 is matched with that of the limiting hole 209, the second hinged rod 203 is fixedly connected with the supporting rod 201 through the limiting rod 210, the first hinged rod 202 is connected with the supporting rod 201 in a sliding mode through the rack 208, and the gear 207 is meshed with the rack 208 through the motor 206.

The effect achieved by the mutual matching of the upper-section components is that when the projection angle of the projector 3 needs to be adjusted, the motor 206 is turned on, the motor 206 drives the gear 207 to rotate, the gear 207 rotates and is meshed with the rack 208, so as to drive the rack 208 to move upwards, the rack 208 moves upwards to drive the first hinged rod 202 to move upwards, the first hinged rod 202 moves upwards to drive the front end of the projector 3 to move upwards, at this time, the weight of the projector 3 can drive the second hinged rod 203 to move downwards in the supporting rod 201, finally, the projector 3 is adjusted to a proper angle according to requirements, when the adjustment of the projection angle of the projector 3 is completed, the limiting rod 210 is screwed, so that the limiting rod 210 is inserted into the corresponding limiting hole 209 to fix the position of the second hinged rod 203 in the supporting rod 201, so as to firmly lock and fix the adjusted projection angle, and achieve the purpose of freely changing the projection angle of the projector 3, the students in the back row can clearly observe the content on the curtain, and the applicability of the device is further increased.

As shown in fig. 2 and 4, a protection device 6 is disposed on the surface of the projector 3, the protection device 6 includes two strip-shaped plates 61, the strip-shaped plates 61 are symmetrically disposed on the upper and lower sides of the projector 3, a groove 62 is disposed on the surface of the strip-shaped plate 61, a protection plate 63 is slidably connected inside the groove 62, a strip-shaped groove 64 is disposed on the surface of one end of the strip-shaped plate 61 away from the projector 3, a displacement plate 65 inside the strip-shaped groove 64 is moved inside the strip-shaped groove 64 to drive the anti-slip plate to slide inside the groove 62, when the protection plate 63 is located inside the groove 62 and can just cover the lens 4 on the surface of the projector 3, the bolt 66 is tightened to fix the position of the displacement plate 65 inside the strip-shaped groove 64, the protection plate 63 can prevent a large amount of external dust from covering the surface of the lens 4, so that the lens 4 is full of dust, the displacement plate 65 is slidably connected inside the strip-shaped groove 64, a bolt 66 is screwed to the surface of the strip 61.

One end of the displacement plate 65, which is far away from the strip-shaped groove 64, is fixedly connected with the protection plate 63, and the protection plate 63 is slidably connected with the groove 62 through the displacement plate 65.

The protection plate 63 is of a U-shaped structure, and two ends of the protection plate 63 are located inside the two grooves 62.

The effect that mutually supports between its upper segment part reached does, when 3 use of projecting apparatus finishes, the inside displacement plate 65 of slip bar groove 64, the displacement plate 65 moves in the inside of bar groove 64 and drives the antiskid ribbed tile in the inside slip of recess 62, when the guard plate 63 just can cover the camera lens 4 on 3 surfaces of projecting apparatus in the inside position of recess 62, screw up bolt 66, fix the displacement plate 65 in the inside rigidity of bar groove 64, can prevent through the guard plate 63 that outside a large amount of dust covers the surface at camera lens 4, make camera lens 4 be stained with the dust, when leading to next use, influence the projection effect of projecting apparatus 3.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a webpage design is promoted and is used multimedia display device, includes bottom plate (1) and adjusting device (2), its characterized in that: the surface of the bottom plate (1) is provided with an adjusting device (2), the adjusting device (2) comprises four supporting rods (201), every two of the four supporting rods (201) are symmetrically distributed on the surface of the bottom plate (1) in a group, a first hinged rod (202) and a second hinged rod (203) are connected inside the supporting rod (201) in a sliding way, the surfaces of the first hinged rod (202) and the second hinged rod (203) are both provided with a sliding groove (204), a support plate (205) is fixedly arranged on the surface of the first hinge rod (202), a motor (206) is fixedly arranged on the surface of the supporting plate (205), a gear (207) is fixedly arranged on an output shaft of the motor (206), the surface fixed mounting of first articulated rod (202) has rack (208), a plurality of spacing holes (209) have been seted up on the surface of second articulated rod (203), the surperficial threaded connection of bracing piece (201) has gag lever post (210).

2. The multimedia presentation device for webpage design and promotion according to claim 1, wherein: the size of gag lever post (210) and the size looks adaptation of spacing hole (209), second articulated pole (203) are with the help of gag lever post (210) and bracing piece (201) fixed connection.

3. The multimedia presentation device for webpage design and promotion according to claim 1, wherein: the first hinged rod (202) is connected with the support rod (201) in a sliding mode through a rack (208), and the gear (207) is meshed with the rack (208) through a motor (206).

4. The multimedia presentation device for webpage design and promotion according to claim 1, wherein: the surface of first articulated rod (202) and second articulated rod (203) all articulates through the round pin axle has projecting apparatus (3), the fixed surface of projecting apparatus (3) installs camera lens (4), the side fixed mounting of projecting apparatus (3) has external jack (5).

5. The multimedia presentation device for webpage design and promotion according to claim 4, wherein: the surface of projecting apparatus (3) is equipped with protector (6), protector (6) include two strip shaped plate (61), strip shaped plate (61) symmetric distribution is in the upper and lower both sides of projecting apparatus (3), the surface of strip shaped plate (61) is seted up flutedly (62), the inside sliding connection of recess (62) has guard plate (63), strip shaped plate (61) is kept away from the one end surface of projecting apparatus (3) and has been seted up strip groove (64), the inside sliding connection in strip groove (64) has displacement plate (65), the surperficial threaded connection of strip shaped plate (61) has bolt (66).

6. The multimedia presentation device for webpage design and promotion according to claim 5, wherein: one end, far away from strip groove (64), of displacement plate (65) and protection plate (63) fixed connection, protection plate (63) are connected with groove (62) through displacement plate (65) in a sliding mode.

7. The multimedia presentation device for webpage design and promotion according to claim 5, wherein: the protection plate (63) is of a U-shaped structure, and two ends of the protection plate (63) are located inside the two grooves (62).