CN210979123U

CN210979123U - Multimedia classroom projection equipment with adjusting device

Info

Publication number: CN210979123U
Application number: CN201920966296.0U
Authority: CN
Inventors: 张群; 关柏芳; 滕宝伏
Original assignee: Liaoning Yuda Science And Education Equipment Co ltd
Current assignee: Liaoning Yuda Science And Education Equipment Co ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-07-10
Anticipated expiration: 2029-06-25

Abstract

The utility model discloses a multimedia classroom projection arrangement with adjusting device, comprising a main body, the external equipment box of main part, the upper and lower bilateral symmetry rigid coupling of main part has the pivot, and the pivot passes through the bearing and rotates with the box and link to each other, the fixed cover of outer wall of pivot has connect the turbine, one side meshing of turbine has the worm, the box is run through to the below of worm. This multimedia classroom projection arrangement with adjusting device, cooperation through turbine and worm, can the light quick debugging projection arrangement's of person of facilitating the use projection angle and fix, the operation that the user rotated the equipment with the hand and rotated the regulation has been saved, the condition that the back is not hard up has often been pulled to the rotation festival to have also been avoided simultaneously appears, cooperation through a plurality of compression springs and ejector pin, can adjust the back equipment production when rocking, absorb vibration rapidly and make equipment stop rocking, avoid the projection picture to rock the use that influences the user for a long time.

Description

Multimedia classroom projection equipment with adjusting device

Technical Field

The utility model relates to a projection equipment technical field specifically is a multimedia classroom projection equipment with adjusting device.

Background

The teaching projector is also called a micro projector, a teacher projector, a palm projector, a TRT-3M portable projector, mainly adopts 3M L COS RGB three-color projector and 720P decoding technology, and is exquisite, portable, miniaturized, entertaining and practical in the traditional huge projector, so that the projection technology is closer to life and entertainment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multimedia classroom projection equipment with adjusting device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multimedia classroom projection device with an adjusting device comprises a main body, an external device box body of the main body, a rotating shaft is symmetrically and fixedly connected to the upper side and the lower side of the main body, the rotating shaft is rotatably connected with the box body through a bearing, a turbine is fixedly connected to the outer wall of the rotating shaft in a sleeved mode, a worm is meshed to one side of the turbine, the lower portion of the worm penetrates through the box body, the worm is rotatably connected with the box body through a bearing, a glass cover is fixedly connected to one side, away from the turbine, of the box body, a radiating fin is fixedly connected to one side, away from the glass cover, of the box body, a guide pipe is inserted into one side, close to the radiating fin, of the box body, the guide pipe is fixedly connected with the radiating fin, a plurality of through holes are formed in the radiating fin, the through holes are mutually communicated with the guide pipe, a support is fixedly connected to the middle, and an ejector rod is fixedly connected below the compression spring, and a sleeve penetrates through the lower part of the ejector rod to be attached to the box body.

Compared with the prior art, the beneficial effects of the utility model are that: this multimedia classroom projection arrangement with adjusting device, cooperation through turbine and worm, can light quick debugging projection arrangement's of person of facilitating the use projection angle and fix, the operation that the user rotated the equipment with the hand and rotated the regulation has been saved, the not hard up condition of back appears after also having avoided the rotation festival to often pull simultaneously, cooperation through a plurality of compression spring and ejector pin, can adjust the back equipment production when rocking, absorb vibration rapidly and make equipment stop rocking, avoid the projection picture to rock the use that influences the user for a long time, cooperation through fin and aluminium system's pipe, can make the inside of box guarantee radiating effect in sealed, avoid the dust to enter into the operation of the inside deposit influence equipment of box, the operation of the hard clearance dust of user's frequent expense time has been saved.

Drawings

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

fig. 2 is a schematic view of the top connection structure of the worm wheel and the worm in fig. 1 according to the present invention.

In the figure: 1. the device comprises a box body, 2, a main body, 3, a worm, 4, a turbine, 5, a cooling fin, 6, a guide pipe, 7, a rotating shaft, 8, a support, 9, a compression spring, 10, a sleeve, 11 and a push rod.

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. 1-2, the present invention provides a technical solution: a multimedia classroom projection device with an adjusting device comprises a main body 2, an external device box body 1 of the main body 2, the main body 2 is a projection device main body, rotating shafts 7 are symmetrically and fixedly connected to the upper side and the lower side of the main body 2, the rotating shafts 7 are rotatably connected with the box body 1 through bearings, a turbine 4 is fixedly sleeved on the outer wall of each rotating shaft 7, a worm 3 is meshed with one side of each turbine 4, the lower portion of each worm 3 penetrates through the box body 1, each worm 3 is rotatably connected with the box body 1 through a bearing, one side, far away from each turbine 4, of the box body 1 is fixedly connected with a glass cover, a rotating wheel below each worm 3 is held to rotate, so that each worm 3 rotates around the bearing and blocks each turbine 4 to rotate through the rotating shafts 7, meanwhile, the worm 3 is clamped with each turbine 4 through the self-locking property of threads to fix, each rotating shaft 7 drives the projector main body 2 to rotate around, a radiating fin 5 is fixedly connected to one side of the box body 1 far away from the glass cover, a conduit 6 is inserted into one side of the box body 1 close to the radiating fin 5, the conduit 6 is fixedly connected with the radiating fin 5, a plurality of through holes are formed in the radiating fin 5 and are mutually communicated with the inside of the conduit 6, heat generated when the main body 2 of the projector works is mainly arranged on one side close to the turbine 4, the conduit 6 made of aluminum absorbs the heat and transmits the heat to the radiating fin 5 for radiation, meanwhile, the temperature inside the conduit 6 and the temperature outside the openings on the two sides form a temperature difference, so that the heat is radiated by the flow of air generated by hot pressing, a support 8 is fixedly connected to the middle of the upper part of the box body 1, a plurality of sleeves 10 are fixedly connected to the periphery of the lower part of the support 8, a compression spring 9 is fixedly connected to the upper part of the inside of the sleeves 10, a mandril 11, after adjustment, the box body 1 can shake, at the moment, the upper surface of the box body 1 is propped against the rubber head below the ejector rod 11 under the pressure of the compression spring 9, and the compression spring 9 gradually absorbs and eliminates the vibration generated by the box body 1.

In the embodiment, when the projector is used, the rotating wheel below the worm 3 is held to rotate, so that the worm 3 rotates around the bearing, the turbine 4 is clamped and fixed by the worm 3 through the self-locking property of the threads, the rotating shaft 7 drives the projector main body 2 to rotate around the bearing, a picture passes through the glass cover on one side of the box body 1 and is projected onto projection cloth, the box body 1 can shake after adjustment, the rubber head below the ejector rod 11 is propped against the upper surface of the box body 1 under the pressure of the compression spring 9, the compression spring 9 gradually absorbs and eliminates the vibration generated by the box body 1, the heat generated when the projector main body 2 works is mainly on one side close to the turbine 4, the aluminum conduit 6 absorbs and transmits the heat to the radiating fins 5 to be radiated, and meanwhile, the temperature inside the conduit 6 and the temperature outside the openings on the two sides form a temperature difference, thereby generating the flow of air by the hot pressing for heat dissipation.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. Multimedia classroom projection apparatus with adjustment device, comprising a main body (2), characterized in that: the external equipment box body (1) of the main body (2), the upper and lower bilateral symmetry rigid couplings of the main body (2) are provided with a rotating shaft (7), the rotating shaft (7) is rotatably connected with the box body (1) through a bearing, the outer wall of the rotating shaft (7) is fixedly sleeved with a turbine (4), one side of the turbine (4) is meshed with a worm (3), the box body (1) is penetrated below the worm (3), the worm (3) is rotatably connected with the box body (1) through a bearing, one side of the box body (1) far away from the turbine (4) is fixedly connected with a glass cover, one side of the box body (1) far away from the glass cover is fixedly connected with a radiating fin (5), one side of the inside of the box body (1) near the radiating fin (5) is inserted with a guide pipe (6), the guide pipe (6) is fixedly connected with the radiating fin (5), and the inside of the radiating fin (5) is provided with a plurality of through holes, the middle rigid coupling in top of box (1) has support (8), the rigid coupling has a plurality of sleeves (10) around the below of support (8), the inside top rigid coupling of sleeve (10) has compression spring (9), the below rigid coupling of compression spring (9) has ejector pin (11), sleeve (10) and box (1) are laminated mutually in the below of ejector pin (11) runs through.