CN210142401U

CN210142401U - Multifunctional interactive portable multimedia presentation device

Info

Publication number: CN210142401U
Application number: CN201920388354.6U
Authority: CN
Inventors: 梁春英
Original assignee: Guangxi Vocational and Technical College
Current assignee: Guangxi Vocational and Technical College
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-03-13
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a multi-functional mutual portable multimedia presentation device, including quick-witted case, the machine incasement portion is through elevating system connection interactive all-in-one, is provided with the case lid of automatic switching on the machine case, and elevating system includes that loading board and dead axle rotate the screw rod of connection in quick-witted incasement portion below, and the screw rod is through cutting fork pole group link loading board, and interactive all-in-one has seted up logical groove on the lateral wall of quick-witted case on the loading board, leads to the articulated depression bar of connecting in the inslot, and the depression bar is located the one end of quick-. This kind of multi-functional mutual portable multimedia presentation device is convenient for to the lift adjustment of interactive all-in-one, and one person can accomplish the operation, and through the laborsaving effect of screw thread, reduce intensity of labour moreover, the case lid realizes opening automatically and closing, need not extra operation, realizes avoiding receiving the external damage to the protection of interactive all-in-one, and the walking wheel of chassis bottom is convenient for quick-witted case to carry the removal moreover.

Description

Multifunctional interactive portable multimedia presentation device

Technical Field

The utility model relates to a multimedia auxiliary component field specifically is a multi-functional mutual portable multimedia presentation device.

Background

The interactive electronic whiteboard can be in information communication with a computer, the electronic whiteboard is connected to the computer, the content on the computer is projected onto the screen of the electronic whiteboard by using the projector, and a large-screen interactive collaborative meeting or teaching environment can be constructed under the support of a special application program. The multifunctional interactive multimedia combines eight functions of a projector, an electronic whiteboard, a computer, a television, a sound box, a power amplifier and the like to form an integrated structure, namely an interactive all-in-one machine, is used as a novel multimedia interactive terminal, integrates multiple technologies of high-definition display, man-machine interaction, multimedia information processing, network transmission and the like, and is an optimal solution for office work, teaching and graphic interactive demonstration in the information era.

The existing interactive all-in-one machine needs to be installed on an adjustable support when multimedia demonstration is carried out, and is convenient to carry and move, the support needs to unscrew a fastening pin when being adjusted, and the interactive all-in-one machine can be lifted or pressed down through manpower, on one hand, the interactive all-in-one machine is heavy, the force is not well controlled, in addition, the operation needs two persons to conveniently complete, and the existing interactive all-in-one machine cannot be effectively protected after the use, and is easily damaged.

To solve the above problems, we propose a multi-functional interactive portable multimedia presentation device.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a multi-functional mutual portable multimedia presentation device, in order to solve above-mentioned technical problem, the utility model provides a following technical scheme:

the utility model relates to a multi-functional mutual portable multimedia presentation device, the quick-witted case that has the walking wheel including the bottom, the quick-witted incasement portion passes through elevating system and connects interactive all-in-one, and be provided with the case lid of automatic switching on the quick-witted case, elevating system includes that loading board and dead axle rotate the screw rod of connection in quick-witted incasement portion below, and the lateral wall that the one end of screw rod passed quick-witted case exposes to the quick-witted case outside, the screw rod is through cutting fork pole group link loading board, and the interactive all-in-one is fixed and has been seted up logical groove on the lateral wall of quick-witted case on the loading board, it connects the depression bar to lead to the inslot articulated, the one end that the depression bar.

Preferably, a swing rod is fixed on the case cover and is hinged to the outer side wall of the upper opening of the case, the upper end of the pull rod is hinged to one end, away from the case cover, of the swing rod, and the lower end of the pull rod is hinged to one end, located outside the case, of the connecting press rod.

Preferably, the middle part of the screw rod is connected to the bottom surface inside the case in a fixed-axis rotating manner, the thread turning directions of the two sides of the middle part of the screw rod are opposite, and a rocker is fixed at the end part of the screw rod, which is positioned outside the case.

Preferably, two end departments of the lower part of the scissors fork rod group are all hinged with a first slide block, and two slide blocks are respectively in threaded connection with two opposite threads in the rotating direction on the screw rod, two end departments of the upper part of the scissors fork rod group are all hinged with a second slide block, and the two slide blocks are slidably connected with the polygon rod fixed on the lower surface of the bearing plate.

Preferably, the lower surface of the bearing plate is connected with the bottom surface inside the case through a telescopic rod.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: through the screw rod and the cooperation of cutting fork pole group and using, be convenient for to the lift adjustment of interactive all-in-one, alone can accomplish the operation, and through the laborsaving effect of screw thread, reduce intensity of labour, because the screw thread has the auto-lock characteristic, consequently, interactive all-in-one can be stable stop at arbitrary height, need not other fixed establishment, the in-process that goes up and down is carried out along with interactive all-in-one, the case lid is realized opening automatically and is closed, need not extra operation, the realization is to the protection of interactive all-in-one, avoid receiving external damage, and the walking wheel of chassis bottom is convenient for quick-witted case to.

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 invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the assembly structure of the multi-functional interactive portable multimedia presentation device according to the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;

FIG. 3 is a schematic diagram of an assembly structure showing state of the multi-functional interactive portable multimedia presentation device according to the present invention;

fig. 4 is a schematic view of a cross-sectional structure B-B in fig. 3.

In the figure: 1-a chassis; 2-an interactive all-in-one machine; 3-a bearing plate; 4-a pressure bar; 5-a spring; 6-screw rod; 7-shearing fork rod group; 8, a first sliding block; 9-a second sliding block; 10-polygonal rod; 11-box cover; 12-a through slot; 13-oscillating bar; 14-a pull rod; 15-telescopic rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-4, a multifunctional interactive portable multimedia presentation device comprises a case 1 with walking wheels at the bottom, the walking wheels at the bottom of the case 1 are convenient for the case 1 to carry and move, the interior of the case 1 is connected with an interactive all-in-one machine 2 through a lifting mechanism, and the case 1 is provided with a case cover 11 which can be automatically opened and closed, the lifting mechanism comprises a bearing plate 3 and a screw 6 which is rotationally connected with the lower part in the case 1 through a fixed shaft, one end of the screw 6 passes through the side wall of the case 1 and is exposed to the outside of the case 1, the screw 6 is connected with the bearing plate 3 through the scissor rod group 7, the interactive all-in-one machine 2 is fixed on the bearing plate 3, a through groove 12 is arranged on the side wall of the case 1, a pressure rod 4 is hinged in the through groove 12, one end of the pressure rod 4 positioned in the case 1 is positioned below the bearing plate 3, the end of the pressure bar 4 is connected with the bottom of the case 1 through a spring 5, and one end of the pressure bar 4 positioned outside the case 1 is hinged with the case cover 11 through a pull rod 14.

In this embodiment, a swing link 13 is fixed on the case cover 11, the swing link 13 is hinged to the outer side wall of the upper opening of the case 1, the upper end of the pull rod 14 is hinged to one end of the swing link 13 far away from the case cover 11, and the lower end of the pull rod 14 is hinged to one end of the compression rod 4 located outside the case 1.

In this embodiment, the middle part dead axle of screw rod 6 rotates the bottom surface of connecting in quick-witted case 1 inside to the screw thread of screw rod 6 middle part both sides is revolved to the opposite direction, and the tip that screw rod 6 is located quick-witted case 1 outside is fixed with the rocker, and the rocker makes things convenient for the operator to operate screw rod 6.

In this embodiment, two end departments in the lower part of scissors fork pole group 7 all articulate and are connected with slider 8, and two slider 8 difference threaded connection revolve to opposite screw on the screw rod 6 on two, two end departments in the upper portion of scissors fork pole group 7 all articulate and are connected with slider two 9, and two 9 sliding connection of slider are on the polygon pole 10 of bearing board 3 lower surface mounting, the effect of polygon pole 10 is to avoiding bearing board 3 to appear pivoting, improve bearing board 3 stability at the lift in-process.

In this embodiment, be connected through telescopic link 15 between the lower surface of loading board 3 and the inside bottom surface of quick-witted case 1, telescopic link 15 plays prevents shaking the effect, avoids loading board 3 horizontal hunting to appear at the lift in-process.

The utility model discloses a principle and advantage: this kind of multi-functional mutual portable multimedia presentation device, when showing interactive all-in-one 2, the operation is as follows:

the method comprises the following steps: referring to fig. 1 and 2, in an initial state, the all-in-one interactive machine 2 is in the case 1, the case cover 11 is closed, the bearing plate 3 presses the pressure lever 4 downward, so that the spring 5 is in a compressed state, the rocker is held by hand, the screw 6 is rotated through the rocker, so that the screw 6 is rotated, the rotation of the screw 6 enables the two sliders I8 to approach each other through thread transmission, the approach of the two sliders I8 enables two included angles at the upper and lower positions of the scissor-fork lever group 7 to be reduced, namely the scissor-fork lever group 7 extends in the vertical direction, so that the interactive all-in-one interactive machine 2 on the bearing plate 3 and the bearing plate 3 is pushed to ascend, as shown in fig. 3 and 4, no pressure is applied to the pressure lever 4 in the ascending process of the bearing plate 3, the compressed spring 5 applies upward force to the pressure lever 4, so that the pressure lever 4 rotates around a hinge shaft of the pressure lever 4 and through a through groove 12, therefore, the case cover 11 is automatically opened, and when the interactive all-in-one machine 2 rises to the opening of the case 1, the case cover 11 is completely opened, so that the rising of the interactive all-in-one machine 2 is not influenced;

step two: after the interactive all-in-one machine 2 is used for displaying, the rocker is held by a hand to reversely rotate the screw 6, the reverse rotation of the screw 6 enables the two first sliders 8 to be away from each other through thread transmission, the two first sliders 8 are away from each other to enable two included angles at the upper position and the lower position of the scissor rod group 7 to be enlarged, namely the scissor rod group 7 is shortened in the vertical direction, and the interactive all-in-one machine 2 on the bearing plate 3 and the bearing plate 3 is driven to descend, as shown in fig. 3 and 4, after the bearing plate 3 descends, when the bearing plate 3 contacts the end part of the pressure rod 4 and applies pressure to the pressure rod 4, the pressure rod 4 reversely rotates around a hinge shaft of the pressure rod 4 and the through groove 12, and the compression spring 5 is compressed to obtain a compression force, as known from the lever principle, the reverse rotation of the pressure rod 4 drives the swing rod 13 to reversely rotate around, when the interactive all-in-one machine 2 descends to the initial position in the case 1, the case cover 11 is completely closed, the interactive all-in-one machine 2 is protected by a sealing cover, the external damage is avoided, and the carrying is convenient.

In this embodiment, use through the cooperation of screw rod 6 and scissors fork pole group 7, be convenient for to the lift adjustment of interactive all-in-one 2, alone can accomplish the operation, and through the laborsaving effect of screw thread, reduce intensity of labour, because the screw thread has the auto-lock characteristic, therefore interactive all-in-one 2 can be stable stop at arbitrary height, need not other fixed establishment, carry out the in-process that goes up and down along with interactive all-in-one 2, case lid 11 realizes opening automatically and closing, need not extra operation, realize the protection to interactive all-in-one 2, avoid receiving external damage, and the walking wheel of machine case 1 bottom is convenient for machine case 1 to carry the removal.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multi-functional mutual portable multimedia presentation device, has quick-witted case (1) of walking wheel including the bottom, machine case (1) is inside to be connected interactive all-in-one (2) through elevating system, and is provided with case lid (11) of automatic switching on and off on machine case (1), its characterized in that: the lifting mechanism comprises a bearing plate (3) and a screw rod (6) which is rotationally connected to the lower portion inside the case (1) in a fixed shaft mode, one end of the screw rod (6) penetrates through the side wall of the case (1) and is exposed to the outer side of the case (1), the screw rod (6) is connected with the bearing plate (3) through a scissor rod group (7), and the interactive all-in-one machine (2) is fixed on the bearing plate (3); the side wall of the case (1) is provided with a through groove (12), a connecting pressure rod (4) is hinged in the through groove (12), one end of the pressure rod (4) located inside the case (1) is located below the bearing plate (3), the end of the pressure rod is connected with the bottom of the case (1) through a spring (5), and one end of the pressure rod (4) located outside the case (1) is hinged to a case cover (11) through a pull rod (14).

2. The multi-functional interactive portable multimedia presentation device of claim 1, wherein: the box cover (11) is fixed with a swing rod (13), the swing rod (13) is hinged to the outer side wall of the upper opening of the case (1), the upper end of the pull rod (14) is hinged to one end, far away from the case cover (11), of the swing rod (13), and the lower end of the pull rod (14) is hinged to one end, far away from the case cover (1), of the pressing rod (4).

3. The multi-functional interactive portable multimedia presentation device of claim 1, wherein: the middle part of the screw rod (6) is fixedly connected to the bottom surface inside the case (1) in a rotating mode, the thread turning directions of the two sides of the middle part of the screw rod (6) are opposite, and a rocker is fixed to the end part, located on the outer side of the case (1), of the screw rod (6).

4. The multi-functional interactive portable multimedia presentation device of claim 2, wherein: two end departments of the lower part of the scissors fork rod group (7) are all hinged with a first sliding block (8), the first sliding blocks (8) are respectively in threaded connection with two threads with opposite rotating directions on the screw rod (6), two end departments of the upper part of the scissors fork rod group (7) are all hinged with a second sliding block (9), and the second sliding blocks (9) are in sliding connection with a multi-edge rod (10) fixed on the lower surface of the bearing plate (3).

5. The multi-functional interactive portable multimedia presentation device of claim 1, wherein: the lower surface of the bearing plate (3) is connected with the bottom surface inside the case (1) through a telescopic rod (15).