CN211821639U - Projection display equipment for computer network engineering - Google Patents

Abstract

The utility model discloses a projection display device for computer network engineering, comprising a protection box, a fixing plate is connected to the top of the protection box, a screw rod is rotatably connected to the bottom right of the bottom of the fixing plate through a bearing, and a first screw is fixedly sleeved on the upper end of the screw rod. Bevel gear, the upper part of the inner cavity of the protection box is connected with a drive motor, the right power output end of the drive motor is connected with a second bevel gear, the lower end of the protection box is provided with a telescopic frame, and the bottom of the telescopic frame is provided with an installation box. There is a ventilation opening in the center of the top, a cooling fan is fitted in the ventilation opening, a nut seat is connected to the right side wall of the installation box, a transparent glass plate is installed at the left end of the installation box, and a support plate is hinged on the right side of the bottom of the installation box. The top of the support plate is clamped with a projector; the utility model has a reasonable structure design, can adjust the projection angle, is conducive to achieving a good projection effect, can achieve a good protection effect for the installation box, is conducive to improving the service life, and is convenient and practical.

Description

A projection display device for computer network engineering

technical field

The utility model relates to the technical field of projection display devices, in particular to a projection display device for computer network engineering.

Background technique

In the past few years, traditional home appliance companies have launched a variety of intelligent home appliances, such as Internet TVs, Internet set-top boxes, smart refrigerators, etc. Traditional home appliances and the Internet have begun to gradually integrate. In the future, the combination of electrical appliances and the Internet will form network equipment terminals. It is the development trend of home appliance products. In the computer network engineering projection display equipment, it is mainly traditional projection, and micro-projection is rare. The traditional projection equipment is mostly teaching projector, which needs to be installed on the ceiling, and the computer and other similar equipment are connected to it to complete the projection.

Most of the existing projection display devices are fixedly connected to the bracket, and it is difficult to adjust after long-term use and translocation, which affects the projection effect, and is not convenient for installation and removal. For this reason, those skilled in the relevant technical field have made improvements to this, such as "a new type of projection display device for computer network engineering" proposed by the Chinese patent application number CN201620435223.5. The height of the projector can be adjusted by raising and lowering the height of the projector, thereby adjusting the projection effect of the projector. However, the technical solution in the application document still has shortcomings. The device only adjusts the projection height, but it is difficult to adjust the projection angle of the projector. , the protection measures for the projector are not in place enough, so further improvement is needed.

Utility model content

The purpose of the utility model is to overcome the above problems existing in the prior art, and to provide a projection display device for computer network engineering. In order to achieve the above technical purpose and achieve the above technical effect, the present invention is achieved through the following technical solutions.

A projection display device for computer network engineering, comprising a protection box, the top of the protection box is connected with a fixing plate, the four corners of the fixing plate are installed with expansion bolts, and the bottom right side of the fixing plate is connected with a screw through a bearing. , the upper end of the screw is fixedly sleeved with a first bevel gear, the upper part of the inner cavity of the protection box is connected with a drive motor, the right power output end of the drive motor is connected with a second bevel gear, the second bevel gear The gear is meshed with the first bevel gear, the lower end of the protection box is provided with a telescopic frame, the bottom of the telescopic frame is provided with an installation box, and a ventilation port is opened at the top center of the installation box, and the ventilation port is fitted inside. A cooling fan is installed, a nut seat is connected to the right side wall of the installation box, the nut seat is threadedly connected to a screw rod, a transparent glass plate is installed at the left end of the installation box, and a support plate is hinged on the right side of the bottom of the installation box , the top of the support plate is clamped with a projector, and the support plate and the outer wall of the installation box are connected to both ends of the electric telescopic rod through hinges.

Preferably, in a projection display device for computer network engineering, a horizontal partition is connected to the inner cavity of the protection box, the driving motor is located on the top of the horizontal partition, and cooling holes are opened on the horizontal partition, and the A sealed bearing matched with the output shaft of the drive motor is installed on the right side wall of the protection box.

Preferably, in a projection display device for computer network engineering, the telescopic frame is a diamond-shaped telescopic frame, the upper end of the telescopic frame is connected to the rear side wall of the inner cavity of the protection box through a pin, and the lower end of the extension frame is connected by a pin. Attach the rear side wall of the mounting box.

Preferably, in a projection display device for computer network engineering, a dust filter is connected to the upper end of the air vent.

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

Preferably, in a projection display device for computer network engineering, the projector specifically adopts a wireless Bluetooth projector.

The beneficial effects of the present utility model are:

1. The utility model has reasonable structural design and various functions. Through the cooperation of the drive motor, the second bevel gear, the first bevel gear, the screw and the nut, the height of the mounting box can be adjusted, and the support plate is pulled by the electric telescopic rod. The projection angle can be adjusted, which is beneficial to achieve a good projection effect;

2. When the telescopic frame in this device is in a retracted state, the installation box is embedded in the lower end of the protection box, which can achieve a good protection effect on the installation box. When the telescopic frame is stretched, the heat dissipation holes are used to dissipate heat from the drive motor, and the projector is cooled by a cooling fan. , is conducive to improving the service life, convenient and practical.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the external structure schematic diagram of the utility model;

Fig. 2 is the internal structure schematic diagram of the utility model;

FIG. 3 is a schematic structural diagram of a telescopic frame in the utility model.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present embodiment is a projection display device for computer network engineering, including a protection box 1, the top of the protection box 1 is connected with a fixing plate 2, and the four corners of the fixing plate 2 are installed with expansion bolts 3, The bottom right side of the fixed plate 2 is rotatably connected with a screw 4 through a bearing, the upper end of the screw 4 is fixedly sleeved with a first bevel gear 5, the upper part of the inner cavity of the protection box 1 is connected with a drive motor 6, and the power output of the right side of the drive motor 6 The end is connected with a second bevel gear 7, the second bevel gear 7 is meshed with the first bevel gear 5, the lower end of the protection box 1 is provided with a telescopic frame 8, the bottom of the telescopic frame 8 is provided with a mounting box 9, and the top center of the mounting box 9 is provided. A vent 10 is opened at the place, a cooling fan 11 is fitted and installed in the vent 10, a nut seat 12 is connected to the right side wall of the installation box 9, the nut seat 12 is threadedly connected to the screw 4, and a transparent glass plate is installed on the left end of the installation box 9 13. The bottom right side of the installation box 9 is hinged with a support plate 14, the top of the support plate 14 is clamped with a projector 15, and the support plate 14 and the outer wall of the installation box 9 are hingedly connected to both ends of the electric telescopic rod 16.

The inner cavity of the protection box 1 is connected with a horizontal partition plate 101. The drive motor 6 is located on the top of the horizontal partition plate 101. The horizontal partition plate 101 is provided with a heat dissipation hole 102 to facilitate the heat dissipation of the drive motor 6. The sealed bearing matched with the output shaft of the motor 6 prevents the intrusion of dust.

The telescopic frame 8 adopts a diamond-shaped telescopic frame. The upper end of the telescopic frame 8 is connected to 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 to the rear side wall of the installation box 9 through a pin shaft. Positioning action, so that the installation box 9 can be vertically lifted.

A dust filter is connected to the upper end of the air vent 10, so that dust protection can be performed.

A wireless control module 901 is connected to the installation box 9 , and the wireless control module 901 is electrically connected to the drive motor 6 , the cooling fan 11 and the electric telescopic rod 16 .

The projector 15 specifically adopts a wireless Bluetooth projector.

An entity embodiment of the present utility model is:

When the device is in use, an external power supply is used, the fixing plate 2 is fixed on the ceiling by the expansion bolts 3, and when the telescopic frame 8 is in a retracted state, the installation box 9 is embedded in the lower end of the protection box 1, which can achieve a good protection effect for the installation box 9. The motor 6 drives the second bevel gear 7 to rotate, the second bevel gear 7 engages and drives the first bevel gear 5, so that the screw 4 rotates, the nut seat 12 is threadedly connected to the screw 4, and is limited and guided by the telescopic frame 8 to prevent the installation of the box 9 Rotating, the installation box 9 can be vertically lifted, and the support plate 14 can be pulled by the electric telescopic rod 16 to adjust the rotation angle of the support plate 14, so as to adjust the projection angle of the projector 15 to achieve a good projection effect. 11 Cooling the projector 15 for heat dissipation, which is beneficial to improve the service life and is convenient and practical.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms 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 only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

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.

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