CN211821639U

CN211821639U - Projection display equipment for computer network engineering

Info

Publication number: CN211821639U
Application number: CN202020253534.6U
Authority: CN
Inventors: 郭广行
Original assignee: Taiyuan Normal University
Current assignee: Taiyuan Normal University
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-10-30
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a projection display device for computer network engineering, including the protection box, the top of protection box is connected with the fixed plate, the bottom right side of fixed plate is rotated through the bearing and is connected with the screw rod, the upper end of screw rod is fixed and is cup jointed first bevel gear, the inner chamber upper portion of protection box is connected with driving motor, driving motor's right side power take off end is connected with second bevel gear, the lower extreme of protection box is equipped with the expansion bracket, the bottom of expansion bracket is equipped with the mounting box, the top center department of mounting box has seted up the vent, the gomphosis is installed in the vent and has had radiator fan, the right side wall of mounting box is connected with the nut seat, the left end of mounting box is installed transparent glass board, the bottom right side of mounting box; the utility model has the advantages of reasonable design, can adjust the projection angle, be favorable to reaching good projection effect, can reach good protection effect to the mounting box, be favorable to improving life, convenient and practical.

Description

Projection display equipment for computer network engineering

Technical Field

The utility model relates to a projection display equipment technical field especially relates to a projection display equipment for computer network engineering.

Background

In the past few years, various intelligent household appliances such as internet televisions, internet set-top boxes, intelligent refrigerators and the like are introduced in traditional household appliance enterprises in a dispute, the traditional household appliances and the internet are gradually merged, and the future combination of the electric appliances and the internet to form a network device terminal is a development trend of the household appliances. In computer network engineering projection display device, mainly be traditional projection, rarely miniature projection, traditional projection device is mostly the teaching projecting apparatus, needs the furred ceiling installation to with similar equipment such as computer rather than being connected, and accomplish the projection.

Most of the existing projection display equipment is fixedly connected to a support, and the projection display equipment is difficult to adjust after translocation after long-term use, influences the projection effect and is inconvenient to assemble and disassemble. Therefore, a person skilled in the relevant art improves this technology, such as "a new type of projection display device for computer network engineering" proposed in chinese patent application No. CN201620435223.5, in this application, the height of the projector is adjusted by the ascending and descending of the scissors-shaped expansion bracket, so as to adjust the projection effect of the projector, but the technical solution in this application still has disadvantages, and the device only adjusts the projection height, but is difficult to adjust the projection angle of the projector, and the protection measure for the projector is not sufficient, so further improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide a projection display device for computer network engineering. In order to realize the technical purpose, the technical effect is achieved, and the utility model discloses a realize through following technical scheme.

A projection display device for computer network engineering comprises a protection box, wherein the top of the protection box is connected with a fixed plate, expansion bolts are installed at four corners of the fixed plate, the right side of the bottom of the fixed plate is rotatably connected with a screw rod through a bearing, the upper end of the screw rod is fixedly sleeved with a first bevel gear, the upper part of an inner cavity of the protection box is connected with a driving motor, the right power output end of the driving motor is connected with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the lower end of the protection box is provided with an expansion bracket, the bottom of the expansion bracket is provided with a mounting box, the center of the top of the mounting box is provided with a vent, a heat radiation fan is embedded in the vent, the right side wall of the mounting box is connected with a nut seat, the nut seat is in threaded connection, the bottom right side of mounting box articulates there is the backup pad, the top joint of backup pad has the projecting apparatus, the backup pad passes through hinged joint electric telescopic handle both ends with the outer wall of mounting box.

Preferably, in a projection display device for computer network engineering, the inner chamber of protection box is connected with horizontal baffle, driving motor is located horizontal baffle top, the louvre has been seted up on the horizontal baffle, protection box right side wall is installed and is driven motor output shaft matched with sealed bearing.

Preferably, in the projection display equipment for computer network engineering, the expansion bracket adopts a diamond expansion bracket, the upper end of the expansion bracket is connected with the rear side wall of the inner cavity of the protection box through a pin shaft, and the lower end of the expansion bracket is connected with the rear side wall of the installation box through a pin shaft.

Preferably, in a projection display device for computer network engineering, the upper end of the ventilation opening is connected with a dustproof filter screen.

Preferably, in the projection display device for computer network engineering, a wireless control module is connected to the mounting box, and the wireless control module is electrically connected to the driving motor, the cooling fan and the electric telescopic rod.

Preferably, in the projection display device for computer network engineering, the projector is a wireless bluetooth projector.

The utility model has the advantages that:

1. the utility model has the advantages of reasonable design, the function is various, cooperatees through driving motor, second bevel gear, first bevel gear, screw rod, nut seat box expansion bracket, can adjust the mounting box height, pulls the backup pad through electric telescopic handle, can adjust the projection angle, is favorable to reaching good projection effect;

2. when the expansion bracket is in a contraction state in the device, the mounting box is embedded into the lower end of the protection box, a good protection effect can be achieved for the mounting box, the expansion bracket utilizes the heat dissipation holes to dissipate heat of the driving motor when extending, and the projector is cooled through heat dissipation by the heat dissipation fan, so that the service life is prolonged, and the device is convenient and practical.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural view of the middle telescopic frame of the present invention.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment is a projection display device for computer network engineering, including a protection box 1, a fixing plate 2 is connected to the top of the protection box 1, expansion bolts 3 are installed at four corners of the fixing plate 2, a screw rod 4 is rotatably connected to the right side of the bottom of the fixing plate 2 through a bearing, a first bevel gear 5 is fixedly sleeved on the upper end of the screw rod 4, a driving motor 6 is connected to the upper portion of an inner cavity of the protection box 1, a second bevel gear 7 is connected to the right power output end of the driving motor 6, the second bevel gear 7 is engaged with the first bevel gear 5, a telescopic frame 8 is arranged at the lower end of the protection box 1, a mounting box 9 is arranged at the bottom of the telescopic frame 8, a vent 10 is arranged at the center of the top of the mounting box 9, a cooling fan 11 is embedded in the vent 10, a, transparent glass board 13 is installed to the left end of mounting box 9, and the bottom right side of mounting box 9 articulates there is backup pad 14, and the top joint of backup pad 14 has projecting

apparatus

15, and 16 both ends of hinged joint electric telescopic handle are passed through with the outer wall of mounting box 9 to backup pad 14.

The inner chamber of protection box 1 is connected with horizontal baffle 101, and driving motor 6 is located horizontal baffle 101 top, has seted up louvre 102 on the horizontal baffle 101, and the driving motor 6 heat dissipation of being convenient for, protection box 1 right side wall install with driving motor 6 output shaft matched with sealed bearing, prevent that the dust from invading.

The expansion bracket 8 adopts the rhombus expansion bracket, and the upper end of expansion bracket 8 is through the lateral wall behind the round pin hub connection protection box 1 inner chamber, and the lower extreme of expansion bracket 8 is through the lateral wall behind the round pin hub connection mounting box 9, and the loading and unloading of being convenient for, and can provide direction limiting displacement for mounting box 9 can vertical lift.

The upper end of vent 10 is connected with dustproof filter screen, can prevent dust protection.

The mounting box 9 is connected with a wireless control module 901, and the wireless control module 901 is electrically connected with the driving motor 6, the cooling fan 11 and the electric telescopic rod 16.

The projector 15 is specifically a wireless bluetooth projector.

The utility model discloses an entity embodiment does:

when the device is used, a power supply is connected externally, the fixed plate 2 is fixed on a ceiling through the expansion bolt 3, when the expansion bracket 8 is in a contraction state, the mounting box 9 is embedded into the lower end of the protection box 1, which can achieve good protection effect on the mounting box 9, the second bevel gear 7 is driven to rotate by the driving motor 6, the second bevel gear 7 is meshed with and drives the first bevel gear 5, so that the screw rod 4 rotates, the nut seat 12 is in threaded connection with the screw rod 4, the installation box 9 is prevented from rotating by limiting and guiding through the telescopic frame 8, so that the installation box 9 can be vertically lifted, the supporting plate 14 is pulled by the electric telescopic rod 16, the rotating angle of the supporting plate 14 can be adjusted, thereby adjust the projection angle of projecting apparatus 15, reach good projection effect, dispel the heat the cooling through radiator fan 11 to projecting apparatus 15, be favorable to improving life, convenient and practical.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A projection display equipment for computer network engineering, includes protection box (1), its characterized in that: the top of the protection box (1) is connected with a fixed plate (2), expansion bolts (3) are installed at four corners of the fixed plate (2), the right side of the bottom of the fixed plate (2) is rotatably connected with a screw (4) through a bearing, a first bevel gear (5) is fixedly sleeved at the upper end of the screw (4), the upper part of an inner cavity of the protection box (1) is connected with a driving motor (6), the right power output end of the driving motor (6) is connected with a second bevel gear (7), the second bevel gear (7) is meshed with the first bevel gear (5), an expansion bracket (8) is arranged at the lower end of the protection box (1), a mounting box (9) is arranged at the bottom of the expansion bracket (8), a vent (10) is arranged at the center of the top of the mounting box (9), and a cooling fan (11) is embedded, the right side wall of mounting box (9) is connected with nut seat (12), nut seat (12) threaded connection screw rod (4), clear glass board (13) are installed to the left end of mounting box (9), the bottom right side of mounting box (9) articulates there is backup pad (14), the top joint of backup pad (14) has projecting apparatus (15), hinged joint electric telescopic handle (16) both ends are passed through with the outer wall of mounting box (9) in backup pad (14).

2. A projection display device for computer network engineering according to claim 1, characterized in that: the inner chamber of protection box (1) is connected with horizontal baffle (101), driving motor (6) are located horizontal baffle (101) top, louvre (102) have been seted up on horizontal baffle (101), protection box (1) right side wall is installed and is had driving motor (6) output shaft matched with sealed bearing.

3. A projection display device for computer network engineering according to claim 1, characterized in that: the telescopic frame (8) is a diamond telescopic frame, the upper end of the telescopic frame (8) is connected with the rear side wall of the inner cavity of the protection box (1) through a pin shaft, and the lower end of the telescopic frame (8) is connected with the rear side wall of the installation box (9) through a pin shaft.

4. A projection display device for computer network engineering according to claim 1, characterized in that: the upper end of the ventilation opening (10) is connected with a dustproof filter screen.

5. A projection display device for computer network engineering according to claim 1, characterized in that: the mounting box (9) is connected with a wireless control module (901), and the wireless control module (901) is electrically connected with the driving motor (6), the cooling fan (11) and the electric telescopic rod (16).

6. A projection display device for computer network engineering according to claim 1, characterized in that: the projector (15) is a wireless Bluetooth projector.