CN213182305U

CN213182305U - Projector for multimedia teaching

Info

Publication number: CN213182305U
Application number: CN202022682749.2U
Authority: CN
Inventors: 钱同飞; 王玮; 钱怡明; 陈晓曼; 苏三山; 肖灿城
Original assignee: Shenzhen Xianmai Technology Co ltd
Current assignee: Shenzhen Xianmai Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-05-11
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a projecting apparatus for multimedia teaching relates to projecting apparatus technical field, the utility model discloses a connecting device, fixing device, heat abstractor, wind and auxiliary device, connecting device include roof and connecting rod, and fixing device includes the fixed case, and connecting rod and fixed case welding, heat abstractor include a heat dissipation section of thick bamboo, and the fixed case is equipped with circular mounting groove, and a heat dissipation section of thick bamboo is installed in circular mounting groove, and wind includes the winding support, winding support and roof welding, and auxiliary device includes auxiliary stand, auxiliary stand and roof welding. The utility model relates to a projecting apparatus for multimedia teaching, the mounting panel can make things convenient for the installation of whole projecting apparatus structure, and the flexible sucking disc that can drive of hydraulic stem is fixed the projecting apparatus body, and the heat dissipation motor can drive the fan through the heat dissipation motor shaft and rotate, produces wind-force and dispels the heat to the projecting apparatus body, and the winding motor can drive the roll body through the winding motor shaft and twine the projection cloth and withdraw.

Description

Projector for multimedia teaching

Technical Field

The utility model relates to a projecting apparatus technical field, in particular to projecting apparatus for multimedia teaching.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment places, and have different types such as CRT, LCD and DLP according to different working modes. The wireless projector is a projector which takes a wireless transmission technology as a core and realizes projection through a wireless transmission function. The wireless module is connected to the projector through the HDMI socket, and the wireless projector is used for synchronously displaying pictures on equipment such as a mobile phone, a tablet, a computer and the like or transmitting contents such as music, videos, pictures and the like to be projected on a large screen in real time. On the premise of not losing projection image quality, the method provides trend and convenient application experience for users in each stage.

The projector plays a very important role in our life and is more and more important in teaching activities, but the projector in the prior art has the defects of inconvenience in fixation, incapability of heat dissipation and incapability of recovering and protecting projection cloth, and therefore the projector for multimedia teaching is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a projecting apparatus for multimedia teaching can effectively solve in the background art inconvenient fixed, can not dispel the heat and the problem that the protection can not be withdrawed to projection cloth.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a projector for multimedia teaching comprises a connecting device, a fixing device, a heat dissipation device, a winding device and an auxiliary device, wherein the connecting device comprises a top plate, a mounting plate, screws and a connecting rod, the mounting plate is connected with the top plate through the screws, the fixing device comprises a fixing box, the lower ends of the connecting rod are welded with the upper surface of the fixing box, the heat dissipation device comprises a heat dissipation cylinder, a heat dissipation bracket and a heat dissipation motor, the heat dissipation cylinder is of a hollow structure, one end of the heat dissipation bracket is welded with the inner surface of the heat dissipation cylinder, the other end of the heat dissipation bracket is welded with the outer surface of the heat dissipation motor, the two side surfaces of the fixing box are provided with circular mounting grooves, the heat dissipation cylinders are respectively mounted in the circular mounting grooves, the winding device comprises a winding bracket, a winding motor and a roller body, the lower end of the winding, the auxiliary device comprises an auxiliary support and a plurality of auxiliary bearings, wherein one surface of each auxiliary bearing is respectively connected with the side surfaces of the plurality of auxiliary supports, the upper ends of the plurality of auxiliary supports are respectively welded with the lower surface of the top plate, the number of screws is four, the screws mainly serve to fix the mounting plate, the number of the connecting rods is two, the connecting rods mainly serve to connect the mounting plate and the fixing box, the number of the heat dissipation cylinders, the number of the heat dissipation supports and the number of the heat dissipation motors are two, the heat dissipation cylinders mainly serve to protect the heat dissipation device, the heat dissipation supports mainly serve to provide supporting force for the heat dissipation motors, the heat dissipation motors mainly serve to drive the fans to rotate, and the number of the auxiliary supports and the number of the auxiliary bearings are two, the main function of the auxiliary support and the auxiliary bearing is to assist the rotation of the rotating rod.

Preferably, the mounting panel is plate structure, and a plurality of connecting rod upper end all with mounting panel lower surface welding, the mounting panel can make things convenient for whole device's fixed.

Preferably, fixing device still includes hydraulic stem, sucking disc and projecting apparatus body, and is a plurality of hydraulic stem upper end all with fixed incasement portion upper surface welding, it is a plurality of the hydraulic stem lower extreme respectively with a plurality of sucking disc upper surface connections, it is a plurality of the sucking disc lower surface all with projecting apparatus body upper surface connection, projecting apparatus body lower surface and fixed incasement portion lower surface connection, wherein, the number of hydraulic stem and sucking disc is two, and the primary function of hydraulic stem drives the sucking disc and removes, and the primary action of sucking disc is fixed the projecting apparatus body.

Preferably, the heat dissipation device further comprises fans, heat dissipation motor shafts are arranged on one surfaces of the heat dissipation motors, the surfaces of the fans are in rotation fit with the axes of the heat dissipation motors respectively, the number of the fans is two, and the fans are mainly used for generating wind power to dissipate heat of the projector body.

Preferably, the winding device further comprises a supporting shaft and a supporting plate, the other end of the roller body is welded to one end of the supporting shaft, the other end of the supporting shaft is connected with the side surface of the supporting plate, and the winding device can retract and protect the projection cloth.

Preferably, the auxiliary device still includes the bull stick, the bull stick both ends are connected with another surface of two auxiliary bearing respectively, and auxiliary device can carry out limiting displacement to the projection cloth.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through setting up connecting device and fixing device, the mounting panel can make things convenient for the installation of whole projecting apparatus structure, and the flexible sucking disc that can drive of hydraulic stem is fixed the projecting apparatus body, reaches the purpose of fixed projecting apparatus.

2. The utility model discloses in, through setting up heat abstractor, the heat dissipation motor can drive the fan through the heat dissipation motor shaft and rotate, produces wind-force and dispels the heat to the projecting apparatus body, reaches the purpose of protection projecting apparatus.

3. The utility model discloses in, through setting up the wind, the winding motor can drive the roll body through the winding motor shaft and twine projection cloth and withdraw, reaches the purpose of protection projection cloth.

Drawings

Fig. 1 is a schematic view of an overall structure of a projector for multimedia teaching according to the present invention;

fig. 2 is a schematic view of the bottom view structure of the projector for multimedia teaching according to the present invention;

fig. 3 is a schematic view of a front view structure of the projector for multimedia teaching according to the present invention;

fig. 4 is a schematic view of the internal cross-sectional structure at F-F in fig. 2 according to the present invention.

In the figure: 100. a connecting device; 101. a top plate; 102. mounting a plate; 103. a screw; 104. a connecting rod; 200. a fixing device; 201. a fixed box; 202. a hydraulic lever; 203. a suction cup; 204. a projector body; 300. a heat sink; 301. a heat-dissipating cylinder; 302. a heat dissipation bracket; 303. a heat dissipation motor; 304. a fan; 400. a winding device; 401. winding the bracket; 402. winding a motor; 403. a roller body; 404. a support shaft; 405. a support plate; 500. an auxiliary device; 501. an auxiliary support; 502. an auxiliary bearing; 503. and (4) rotating the rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention relates to a projector for multimedia teaching, comprising a connecting device 100, a fixing device 200, a heat dissipating device 300, a winding device 400 and an auxiliary device 500, wherein the connecting device 100 comprises a top plate 101, a mounting plate 102, screws 103 and connecting rods 104, the mounting plate 102 is connected with the top plate 101 through a plurality of screws 103, the fixing device 200 comprises a fixing box 201, the lower ends of the connecting rods 104 are welded with the upper surface of the fixing box 201, the heat dissipating device 300 comprises a heat dissipating cylinder 301, a heat dissipating bracket 302 and a heat dissipating motor 303, the heat dissipating cylinder 301 is a hollow structure, one end of the heat dissipating bracket 302 is welded with the inner surface of the heat dissipating cylinder 301, the other end of the heat dissipating bracket 302 is welded with the outer surface of the heat dissipating motor 303, the surfaces of the two sides of the fixing box 201 are provided with circular mounting, the winding device 400 comprises a winding support 401, a winding motor 402 and a roller body 403, the lower end of the winding support 401 is welded with the upper surface of the winding motor 402, a winding motor shaft is arranged on one surface of the winding motor 402, one end of the roller body 403 is rotationally matched with the winding motor shaft, the upper end of the winding support 401 is welded with the lower surface of the top plate 101, the auxiliary device 500 comprises an auxiliary support 501 and auxiliary bearings 502, one surface of each auxiliary bearing 502 is respectively connected with the side surface of each auxiliary support 501, the upper ends of the auxiliary supports 501 are welded with the lower surface of the top plate 101, wherein the number of the screws 103 is four, the screws 103 are mainly used for fixing the mounting plate 102, the number of the connecting rods 104 is two, the connecting rods 104 are mainly used for connecting the mounting plate 102 with the fixing box 201, the number of the heat dissipation cylinders 301, the heat dissipation supports 302 and the heat dissipation motor, the main function of the heat dissipation bracket 302 is to provide a supporting force for the heat dissipation motor 303, the main function of the heat dissipation motor 303 is to drive the fan 304 to rotate, the number of the auxiliary brackets 501 and the auxiliary bearings 502 is two, and the main function of the auxiliary brackets 501 and the auxiliary bearings 502 is to assist the rotation of the rotation rod 503.

Referring to fig. 1-4, the mounting plate 102 is a plate-shaped structure, the upper ends of the connecting rods 104 are welded to the lower surface of the mounting plate 102, and the mounting plate 102 can facilitate the fixation of the whole device.

Referring to fig. 1, fixing device 200 still includes hydraulic stem 202, sucking disc 203 and projecting apparatus body 204, a plurality of hydraulic stem 202 upper ends all with the inside upper surface welding of fixed case 201, a plurality of hydraulic stem 202 lower extreme respectively with a plurality of sucking disc 203 upper surface connections, a plurality of sucking disc 203 lower surfaces all with projecting apparatus body 204 upper surface connections, projecting apparatus body 204 lower surface and the inside lower surface connection of fixed case 201, wherein, hydraulic stem 202 and the number of sucking disc 203 are two, the primary function of hydraulic stem 202 is to drive sucking disc 203 and remove, the primary function of sucking disc 203 is to fix projecting apparatus body 204.

Referring to fig. 3-4, the heat dissipation apparatus 300 further includes fans 304, a surface of each of the heat dissipation motors 303 is provided with a heat dissipation motor shaft, and a surface of each of the fans 304 is rotatably engaged with a corresponding one of the heat dissipation motor shafts, wherein the number of the fans 304 is two, and the fans 304 mainly generate wind force to dissipate heat of the projector body 204.

Referring to fig. 1-2, the winding device 400 further includes a supporting shaft 404 and a supporting plate 405, the other end of the roller body 403 is welded to one end of the supporting shaft 404, the other end of the supporting shaft 404 is connected to the side surface of the supporting plate 405, and the winding device 400 can retract and protect the projection cloth.

Referring to fig. 2, the auxiliary device 500 further includes a rotating rod 503, two ends of the rotating rod 503 are respectively connected to the other surfaces of the two auxiliary bearings 502, and the auxiliary device 500 can limit the projection cloth.

Referring to fig. 1-4, the utility model relates to a projector for multimedia teaching, wherein the model of heat dissipation motor 303 and winding motor 402 is YE2-132S1-2, the model of hydraulic stem 202 is 350mm, install mounting panel 102 on roof 101 through screw 103, start hydraulic stem 202, drive sucking disc 203 and fix projector body 204, start heat dissipation motor 303, heat dissipation motor 303 drives fan 304 through the heat dissipation motor shaft and produces the separation and dispel the heat to projector body 204, after the projection, start winding motor 402, winding motor 402 withdraws the protection through roll body 403 to the projection cloth.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A projector for multimedia teaching, comprising a connecting device (100), a fixing device (200), a heat dissipating device (300), a winding device (400) and an auxiliary device (500), characterized in that: the connecting device (100) comprises a top plate (101), a mounting plate (102), screws (103) and connecting rods (104), the mounting plate (102) is connected with the top plate (101) through a plurality of screws (103), the fixing device (200) comprises a fixing box (201), the lower ends of the connecting rods (104) are welded with the upper surface of the fixing box (201), the heat dissipation device (300) comprises a heat dissipation cylinder (301), a heat dissipation bracket (302) and a heat dissipation motor (303), the heat dissipation cylinder (301) is of a hollow structure, one end of the heat dissipation bracket (302) is welded with the inner surface of the heat dissipation cylinder (301), the other end of the heat dissipation bracket (302) is welded with the outer surface of the heat dissipation motor (303), the surfaces of the two sides of the fixing box (201) are provided with circular mounting grooves, and the heat dissipation cylinder (301) is respectively mounted in the circular mounting grooves, winding device (400) are including winding support (401), winding motor (402) and roll body (403), winding support (401) lower extreme and winding motor (402) upper surface welding, a winding motor (402) surface is equipped with the winding motor shaft, roll body (403) one end and the rotatory cooperation of winding motor shaft, winding support (401) upper end and roof (101) lower surface welding, auxiliary device (500) are including auxiliary stand (501) and auxiliary bearing (502), and are a plurality of auxiliary bearing (502) a surface is connected with a plurality of auxiliary stand (501) side surface respectively, and is a plurality of auxiliary stand (501) upper end all with roof (101) lower surface welding.

2. The projector for multimedia teaching according to claim 1, wherein: the mounting plate (102) is of a plate-shaped structure, and the upper ends of the connecting rods (104) are welded to the lower surface of the mounting plate (102).

3. The projector for multimedia teaching according to claim 1, wherein: fixing device (200) still include hydraulic stem (202), sucking disc (203) and projecting apparatus body (204), and is a plurality of hydraulic stem (202) upper end all with fixed case (201) inside upper surface welded, a plurality of hydraulic stem (202) lower extreme respectively with a plurality of sucking disc (203) upper surface connected, a plurality of sucking disc (203) lower surface all with projecting apparatus body (204) upper surface connected, projecting apparatus body (204) lower surface is connected with fixed case (201) inside lower surface.

4. The projector for multimedia teaching according to claim 1, wherein: the heat dissipation device (300) further comprises fans (304), heat dissipation motor shafts are arranged on the surfaces of the heat dissipation motors (303), and the surfaces of the fans (304) are respectively in rotating fit with the axes of the heat dissipation motors.

5. The projector for multimedia teaching according to claim 1, wherein: the winding device (400) further comprises a supporting shaft (404) and a supporting plate (405), the other end of the roller body (403) is welded with one end of the supporting shaft (404), and the other end of the supporting shaft (404) is connected with the side surface of the supporting plate (405).

6. The projector for multimedia teaching according to claim 1, wherein: the auxiliary device (500) further comprises a rotating rod (503), and two ends of the rotating rod (503) are respectively connected with the other surfaces of the two auxiliary bearings (502).