CN211403625U

CN211403625U - Novel multimedia presentation equipment

Info

Publication number: CN211403625U
Application number: CN201921754764.4U
Authority: CN
Inventors: 周春铁
Original assignee: Hebei Kunguang Electronic Technology Co ltd
Current assignee: Hebei kunguang Electronic Technology Co.,Ltd.
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-09-01
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a novel multimedia presentation equipment, the on-line screen storage device comprises a base, be equipped with the spout on the base, the upper end of base is equipped with the pillar, the upper end of pillar is equipped with U type piece, the contact is connected with the presentation equipment on the U type piece, the both ends of presentation equipment are equipped with first connecting plate, first connecting plate passes through bolt fixed connection on U type piece, be equipped with the cavity in the U type piece, sliding connection has the slide in the cavity, the lower extreme of slide is equipped with the guide arm, the spring has been cup jointed on the guide arm, the lower extreme of spring is equipped with the second connecting plate, this presentation equipment can adopt the blackboard to protect the demonstration screen when not using, this presentation equipment is equipped with the blackboard that uses when supplying the demonstration, blackboard and presentation equipment set up on.

Description

Novel multimedia presentation equipment

Technical Field

The utility model relates to a demonstration equipment technical field specifically is a novel multimedia demonstration equipment.

Background

The term "multimedia" is translated from English, and the original two meanings of media refer to entities for storing information, such as magnetic discs, optical discs, magnetic tapes, semiconductor memories and the like, and Chinese is often translated as a medium; the second means the carrier for transferring information, such as numbers, characters, sound, graphics, etc., the Chinese language is used as a medium, but the multimedia presentation device in the prior art has the following disadvantages.

The existing multimedia demonstration equipment can not protect the demonstration screen before use, generally directly places the demonstration screen on a support frame, is easy to damage the demonstration screen due to external objects, and occupies a large space due to the fact that a blackboard is frequently used in the demonstration process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel multimedia presentation equipment to solve the improper problem of demonstration screen protection.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel multimedia presentation equipment, the on-line screen storage device comprises a base, be equipped with the spout on the base, the upper end of base is equipped with the pillar, the upper end of pillar is equipped with U type piece, the contact is connected with the presentation equipment on the U type piece, the both ends of presentation equipment are equipped with first connecting plate, first connecting plate passes through bolt fixed connection on U type piece, be equipped with the cavity in the U type piece, sliding connection has the slide in the cavity, the lower extreme of slide is equipped with the guide arm, the spring has been cup jointed on the guide arm, the lower extreme of spring is equipped with the second connecting plate.

Preferably, the second connecting plate is connected with the guide rod in a sliding mode, and the lower end of the second connecting plate is provided with a connecting rod.

Preferably, the guide rod is connected in the connecting rod in a sliding mode through the guide groove, a blackboard is arranged at the lower end of the connecting rod, and the outer side of the blackboard is connected in the U-shaped block in a sliding mode.

Preferably, the lower end of the blackboard is provided with a support rod, and the lower end of the support rod is provided with a rolling ball.

Preferably, the outer surface of the rolling ball is connected in the U-shaped block through a strip-shaped slideway in a sliding manner, and the support rod is connected in the U-shaped block through a strip-shaped groove in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the demonstration device can protect the demonstration screen by adopting the blackboard when not in use.

2. The demonstration device is provided with the blackboard used during demonstration, the blackboard and the demonstration device are arranged on the same U-shaped block, and the use is convenient and flexible.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side sectional view of the present invention;

FIG. 3 is an enlarged view of the point A of the present invention;

fig. 4 is a schematic view of the strip-shaped groove of the present invention.

In the figure: 1 base, 11 chutes, 12 pillars, 2U-shaped blocks, 31 demonstration equipment, 32 first connecting plates, 33 bolts, 41 cavities, 42 sliding plates, 43 guide rods, 44 springs, 45 second connecting plates, 46 guide grooves, 47 connecting rods, 5 blackboards, 61 support rods, 62 rolling balls, 63 strip-shaped slideways and 64 strip-shaped grooves.

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, fig. 2 and fig. 3, the present invention provides a technical solution: a novel multimedia demonstration device comprises a base 1, a sliding groove 11 is arranged on the base 1, a pillar 12 is arranged at the upper end of the base 1, a U-shaped block 2 is arranged at the upper end of the pillar 12, a demonstration device 31 is connected to the U-shaped block 2 in a contact mode, the demonstration device 31 is fixed in the U-shaped block 2, dust prevention and collision prevention protection can be conveniently carried out on the demonstration device 31, first connecting plates 32 are arranged at two ends of the demonstration device 31, the first connecting plates 32 are fixedly connected to the U-shaped block 2 through bolts 33, the demonstration device 31 can be detached and replaced by unscrewing the bolts 33, a cavity 41 is formed in the U-shaped block 2, a sliding plate 42 is connected in the cavity 41 in a sliding mode, the sliding plate 42 can slide left and right in the cavity 41, a deeper groove is formed in a mode when two ends of the cavity 41 are not sealed, a guide rod 43 is arranged at the lower end of the sliding plate 42, the sliding plate 42 can, the guide rod 43 is sleeved with a spring 44, and the lower end of the spring 44 is provided with a second connecting plate 45.

Referring to fig. 1 and 3, the second connecting plate 45 is slidably connected to the guide rod 43, and a connecting rod 47 is disposed at a lower end of the second connecting plate 45, and the connecting rod 47 can slide in the U-shaped block 2 through a slot.

Referring to fig. 1 and 3, the guide rod 43 is slidably connected to the inside of the connecting rod 47 through the guide groove 46, the blackboard 5 is disposed at the lower end of the connecting rod 47, and the outer side of the blackboard 5 is slidably connected to the inside of the U-shaped block 2.

Referring to fig. 2 and 3, a support rod 61 is arranged at the lower end of the blackboard 5, the support rod 61 slides in the U-shaped block 2 through a strip groove 64, the strip groove 64 is arranged at the upper side and the lower side of the U-shaped block 2 and is U-shaped, a rolling ball 62 is arranged at the lower end of the support rod 61, and the rolling ball 62 rolls in a strip-shaped slideway 63.

Referring to fig. 2 and 4, the outer surface of the rolling ball 62 is slidably connected to the U-shaped block 2 through a strip-shaped slideway 63, and the supporting rod 61 is slidably connected to the U-shaped block 2 through a strip-shaped groove 64.

The utility model discloses when concrete implementation: when the demonstration device 31 is used, the blackboard 5 on two sides is pulled towards two sides, the sliding plate 42 slides in the cavity 41, the rolling ball 62 rolls in the strip-shaped slide way 63 until the sliding plate 42 completely slides out of the cavity 41, the rolling ball 62 reaches the outermost side of the strip-shaped slide way 63, the sliding plate 42 is pushed inwards, the guide rod 43 slides in the guide groove 46 in the connecting rod 47 and compresses the spring 44, the support rod 61 can rotate along the rolling ball 62, the support rod 61 can slide on the strip-shaped groove 64 on the lower side of the U-shaped block 2, the blackboards 5 on two sides rotate by one hundred eighty degrees, one smooth surface end of the sliding plate 42 faces the base 1, the sliding plate 42 is loosened, and the spring 44 resets and drives the guide rod 43 to move outwards until the sliding plate 42 is pushed into the slide way 11, at this time, the blackboard 5 can be pushed inwards, so that the sliding plate 42 can slide in the sliding groove 11, the rolling ball 62 slides in the strip-shaped sliding way 63 until the blackboards 5 on the two sides contact with each other, and the demonstration device 31 can be normally used at this time.

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 novel multimedia presentation device, comprising a base (1), characterized in that: be equipped with spout (11) on base (1), the upper end of base (1) is equipped with pillar (12), the upper end of pillar (12) is equipped with U type piece (2), the contact is connected with demonstration equipment (31) on U type piece (2), the both ends of demonstration equipment (31) are equipped with first connecting plate (32), first connecting plate (32) are through bolt (33) fixed connection on U type piece (2), be equipped with cavity (41) in U type piece (2), sliding connection has slide (42) in cavity (41), the lower extreme of slide (42) is equipped with guide arm (43), spring (44) have been cup jointed on guide arm (43), the lower extreme of spring (44) is equipped with second connecting plate (45).

2. A new multimedia presentation device according to claim 1, characterized in that: the second connecting plate (45) is connected with a guide rod (43) in a sliding mode, and a connecting rod (47) is arranged at the lower end of the second connecting plate (45).

3. A new multimedia presentation device according to claim 2, characterized in that: the guide rod (43) is connected in the connecting rod (47) in a sliding mode through the guide groove (46), the lower end of the connecting rod (47) is provided with the blackboard (5), and the outer side of the blackboard (5) is connected in the U-shaped block (2) in a sliding mode.

4. A new multimedia presentation device according to claim 3, characterized in that: the blackboard is characterized in that a supporting rod (61) is arranged at the lower end of the blackboard (5), and a rolling ball (62) is arranged at the lower end of the supporting rod (61).

5. A new multimedia presentation device according to claim 4, characterized in that: the outer surface of the rolling ball (62) is connected in the U-shaped block (2) in a sliding mode through a strip-shaped slideway (63), and the supporting rod (61) is connected in the U-shaped block (2) in a sliding mode through a strip-shaped groove (64).