CN213146005U

CN213146005U - Projecting apparatus support is used in teaching

Info

Publication number: CN213146005U
Application number: CN202021131276.0U
Authority: CN
Inventors: 王文超
Original assignee: Jiangsu Province Xuzhou Technician Institute
Current assignee: Jiangsu Province Xuzhou Technician Institute
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-05-07
Anticipated expiration: 2031-01-30

Abstract

The utility model discloses a projector support for teaching, which comprises a protection box, a fixed plate, radiating holes, a lifting assembly, a rotating assembly, an installation box and a projector, wherein the inner wall of the top end of the protection box is symmetrically welded with an installation block, the outer wall of the bottom end of the installation block is provided with a first chute, the inner walls of two sides of the first chute are rotatably provided with a lead screw, the inner wall of one side of the protection box is embedded and fixed with a first rotating motor corresponding to the lead screw, one end of the output shaft of the first rotating motor is fixedly connected with one end of the lead screw, and the outer wall of the lead screw positioned inside the first chute is sleeved with a moving block; the utility model discloses the lifting unit who sets up can highly adjust the projected, when not using, can contract the projecting apparatus in the protection box to protect the projecting apparatus and can prevent to fall the dust on the projecting apparatus again, influence next normal use and inside electronic component's damage, the rotating assembly of setting saves artifical manual regulation, and is more labour saving and time saving.

Description

Projecting apparatus support is used in teaching

Technical Field

The utility model belongs to the technical field of, concretely relates to projecting apparatus support is used in teaching.

Background

The projector, also known as the projector, it is a kind of equipment that can project image or video on the curtain, can be with the computer through different interfaces, VCD, DVD, BD, game machine, DV etc. connect and broadcast corresponding video signal, the projector wide application is in the family, the office, school and entertainment place, according to the working method difference, there is CRT, LCD, different grade type such as DLP, when installing the projector, often use the support, however current support, angle modulation is all that artifical manual is fixed in advance, it is more troublesome and time-consuming and labourious to adjust again, in addition when not using, the projector can not protect it, easily make fall into the dust on the projector, the dust gets into inside its heat dissipation of influence and damages inside electronic component, do not worth extensively popularizing and applying.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a projecting apparatus support is used in teaching has characteristics the utility model discloses the lifting unit who sets up can highly adjust projected, when not using, can contract the projecting apparatus in the protection box to protect the projecting apparatus and can prevent to fall on the projecting apparatus again and fall on the dust, influence next normal use and inside electronic component's damage, the rotating assembly of setting saves artifical manual regulation, and is labour saving and time saving relatively.

In order to achieve the above object, the utility model provides a following technical scheme: a projector support for teaching comprises a protection box, lifting components, rotating components and a mounting box, wherein the lifting components are arranged on the inner walls of two sides of the protection box, and the rotating components are arranged on the outer wall of the top end of the protection box;

the lifting assembly comprises an installation block, a first chute, a lead screw, a first rotating motor, a moving block, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a second chute and a second sliding block, the installation block is symmetrically welded on the inner wall of the top end of the protection box, the first chute is formed in the outer wall of the bottom end of the installation block, the lead screw is rotatably installed on the inner wall of the two sides of the first chute, the first rotating motor is fixedly embedded on the inner wall of one side of the protection box corresponding to the lead screw, one end of an output shaft of the first rotating motor is fixedly connected with one end of the lead screw, the moving block is sleeved on the outer wall of the lead screw positioned in the first chute, the first connecting rod is rotatably installed on the outer wall of the bottom end of the moving block, the fourth connecting rod is rotatably connected on the other end of the first connecting rod, the installation box is rotatably connected on the other end of the fourth connecting rod, the second connecting rod is, and the middle part of second connecting rod and the middle part of first connecting rod rotate each other and be connected, it is connected with the third connecting rod to rotate on the other end outer wall of second connecting rod, and the middle part of third connecting rod rotates with the middle part of fourth connecting rod to be connected, the second spout has been seted up to the symmetry on the outer wall that is located fourth connecting rod one side of mounting box, the inside removal of second spout is installed the second slider, and one side outer wall of second slider rotates with one side outer wall of third connecting rod to be connected.

Preferably, the rotating assembly comprises an installation rod, a first installation groove, a second rotating motor, a second installation groove, a first gear, a rotating shaft and a second gear, the installation rod is installed on the outer wall of the top end of the protection box, the second installation groove is formed in the outer wall of the bottom end of the installation rod, the rotating shaft is welded on the outer wall of the top end of the protection box corresponding to the second installation groove, the rotating shaft is located at one end of the inside of the second installation groove and is fixedly connected with the second gear in a sleeved mode, the installation rod is located in the inside of the top of the second installation groove and is provided with the first installation groove, the second rotating motor is fixedly connected with the second rotating motor through bolts on the inside of the first installation groove, an output shaft of the second rotating motor is located at one end of the inside of the second installation groove and is fixedly connected with.

Preferably, the outer wall of the top end of the mounting rod is welded with a fixing plate, and fixing holes are distributed in the outer wall of the top end of the fixing plate.

Preferably, the inner wall of the top end of the mounting box is provided with heat dissipation holes, and the inner wall of each heat dissipation hole is fixedly embedded with a filter screen.

Preferably, a projector is fixedly mounted on the inner wall of the mounting box.

Preferably, the number of the mounting blocks, the first sliding grooves, the lead screws, the first rotating motors and the moving blocks is two.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the lifting unit who sets up, the mounting box on the cooperation drive connecting rod through first rotating electrical machines and lead screw and removal reciprocates, this structure is fairly simple, it is more convenient to operate, can highly adjust the projected, when not using, can contract the projecting apparatus in the protection box again, can protect the projecting apparatus and can prevent to fall the dust on the projecting apparatus again, influence next normal use and inside electronic component's damage, the rotating assembly who sets up, cooperation through second rotating electrical machines and gear, it is rotatory to drive the protection box, and it is rotatory to drive the projecting apparatus, save artifical manual regulation, it is more labour saving and time saving, be worth extensively popularizing and applying.

Drawings

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

FIG. 2 is a schematic view of the overall front view cutting structure of the present invention;

FIG. 3 is an enlarged schematic view of the area A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged schematic view of the area B of FIG. 2 according to the present invention;

in the figure: 1. a protection box; 2. a fixing plate; 3. heat dissipation holes; 4. a lifting assembly; 5. a rotating assembly; 6. Mounting a box; 7. a projector; 41. mounting blocks; 42. a first chute; 43. a screw rod; 44. a first rotating electrical machine; 45. a moving block; 46. a first link; 47. a second link; 48. a third link; 49. a fourth link; 410. a second chute; 411. a second slider; 51. mounting a rod; 52. a first mounting groove; 53. A second rotating electrical machine; 54. a second mounting groove; 55. a first gear; 56. a rotating shaft; 57. a second gear.

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. 1-4, the present invention provides the following technical solutions: a projector bracket for teaching comprises a protection box 1, a lifting component 4, a rotating component 5 and a mounting box 6, wherein the lifting component 4 is arranged on the inner walls of two sides of the protection box 1, and the rotating component 5 is arranged on the outer wall of the top end of the protection box 1; the lifting component 4 comprises an installation block 41, a first chute 42, a screw rod 43, a first rotating motor 44, a moving block 45, a first connecting rod 46, a second connecting rod 47, a third connecting rod 48, a fourth connecting rod 49, a second chute 410 and a second sliding block 411, the installation block 41 is symmetrically welded on the inner wall of the top end of the protection box 1, the first chute 42 is arranged on the outer wall of the bottom end of the installation block 41, the screw rods 43 are rotatably arranged on the inner walls of two sides of the first chute 42, the first rotating motor 44 is fixedly embedded on the inner wall of one side of the protection box 1 corresponding to the screw rod 43, one end of the output shaft of the first rotating motor 44 is fixedly connected with one end of the screw rod 43, the moving block 45 is sleeved on the outer wall of the inner part of the first chute 42 of the screw rod 43, the first connecting rod 46 is rotatably arranged on the outer wall of the bottom end of the moving block 45, the fourth connecting rod 49 is rotatably connected with the other end of the, a second connecting rod 47 is rotatably mounted on the inner wall of the protection box 1 on one side of the mounting block 41, the middle part of the second connecting rod 47 is rotatably connected with the middle part of the first connecting rod 46, the outer wall of the other end of the second connecting rod 47 is rotatably connected with a third connecting rod 48, the middle part of the third connecting rod 48 is rotatably connected with the middle part of a fourth connecting rod 49, second sliding grooves 410 are symmetrically formed in the outer wall of the mounting box 6 on one side of the fourth connecting rod 49, a second sliding block 411 is movably mounted in the second sliding grooves 410, and the outer wall of one side of the second sliding block 411 is rotatably connected with the outer wall of one side of the third connecting rod 48; the rotating component 5 comprises an installation rod 51, a first installation groove 52, a second rotating motor 53, a second installation groove 54, a first gear 55, a rotating shaft 56 and a second gear 57, the installation rod 51 is installed on the outer wall of the top end of the protection box 1, the second installation groove 54 is formed in the outer wall of the bottom end of the installation rod 51, the rotating shaft 56 is welded on the outer wall of the top end of the protection box 1 corresponding to the second installation groove 54, the second gear 57 is fixedly sleeved on one end of the rotating shaft 56 positioned in the second installation groove 54, the first installation groove 52 is formed in the installation rod 51 positioned above the second installation groove 54, the second rotating motor 53 is fixedly bolted on the inner part of the first installation groove 52, the first gear 55 is fixedly sleeved on one end of the output shaft of the second rotating motor 53 positioned in the second installation groove 54, the first gear 55 and the second gear 57 are meshed with each other, so that the angle can be conveniently adjusted in a rotating manner, and the device is practical and perfect; the fixing plate 2 is welded on the outer wall of the top end of the mounting rod 51, and fixing holes are distributed on the outer wall of the top end of the fixing plate 2, so that the mounting rod is convenient to fix on a roof and is practical; the inner wall of the top end of the mounting box 6 is provided with the heat dissipation hole 3, and the inner wall of the heat dissipation hole 3 is fixedly embedded with the filter screen, so that heat dissipation is facilitated, and the service life of the projector 7 is effectively prolonged; the inner wall of the mounting box 6 is provided with the projector 7, so that the whole structure is complete and the use is convenient; the number of the mounting blocks 41, the first sliding grooves 42, the lead screw 43, the first rotating motor 44 and the moving blocks 45 is two, so that the whole structure is complete, and the lifting is stable.

The utility model discloses well second rotating electrical machines 53 is the known technology of wide application and daily life that has disclosed, and second rotating electrical machines 53 is a servo motor, and servo motor means control mechanical component moving engine in servo, is the indirect speed change gear of a supplementary motor, and servo motor can make control speed, and the position precision is very accurate, can turn into torque and rotational speed with the drive control object with voltage signal.

The utility model discloses a theory of operation and use flow: when the device is used, the first rotating motor 44 is started, the first rotating motor 44 rotates to drive the lead screw 43 to rotate, the lead screw 43 rotates to drive the moving block 45 to move in the first sliding groove 42, the moving block 45 is matched with the first connecting rod 46, the second connecting rod 47, the third connecting rod 48 and the fourth connecting rod 49 to drive the projector 7 on the mounting box 6 to move downwards and be separated from the protection box 1, after adjustment is completed, the second rotating motor 53 is started, the second rotating motor 53 rotates, the first gear 55 on the second rotating motor 53 is meshed with the second gear 57 on the rotating shaft 56 to drive the protection box 1 to rotate left and right, the angle of the projector 7 is adjusted, and normal use can be achieved after adjustment.

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. The utility model provides a projecting apparatus support is used in teaching, includes protection box (1), lifting unit (4), rotating assembly (5) and mounting box (6), its characterized in that: lifting components (4) are arranged on the inner walls of the two sides of the protection box (1), and a rotating component (5) is arranged on the outer wall of the top end of the protection box (1);

the lifting assembly (4) comprises an installation block (41), a first sliding groove (42), a lead screw (43), a first rotating motor (44), a moving block (45), a first connecting rod (46), a second connecting rod (47), a third connecting rod (48), a fourth connecting rod (49), a second sliding groove (410) and a second sliding block (411), the installation block (41) is symmetrically welded on the inner wall of the top end of the protection box (1), the first sliding groove (42) is formed in the outer wall of the bottom end of the installation block (41), the lead screws (43) are rotatably installed on the inner walls of two sides of the first sliding groove (42), the first rotating motor (44) is fixedly embedded on the inner wall of one side of the protection box (1) corresponding to the lead screw (43), one end of an output shaft of the first rotating motor (44) is fixedly connected with one end of the lead screw (43), and the moving block (45) is sleeved on the outer wall of the lead screw (43) located inside the first sliding groove (, a first connecting rod (46) is rotatably mounted on the outer wall of the bottom end of the moving block (45), a fourth connecting rod (49) is rotatably connected to the other end of the first connecting rod (46), a mounting box (6) is rotatably connected to the other end of the fourth connecting rod (49), a second connecting rod (47) is rotatably mounted on the inner wall of the protection box (1) on one side of the mounting block (41), the middle of the second connecting rod (47) is rotatably connected with the middle of the first connecting rod (46), a third connecting rod (48) is rotatably connected to the outer wall of the other end of the second connecting rod (47), the middle of the third connecting rod (48) is rotatably connected with the middle of the fourth connecting rod (49), second sliding grooves (410) are symmetrically formed in the outer wall of the mounting box (6) on one side of the fourth connecting rod (49), and a second sliding block (411) is movably mounted in the second sliding grooves (410), and the outer wall of one side of the second sliding block (411) is rotatably connected with the outer wall of one side of the third connecting rod (48).

2. A projector mount as claimed in claim 1, wherein: rotating assembly (5) is including installation pole (51), first mounting groove (52), second rotating electrical machines (53), second mounting groove (54), first gear (55), pivot (56) and second gear (57), install installation pole (51) on the top outer wall of protection box (1), second mounting groove (54) have been seted up on the bottom outer wall of installation pole (51), it has pivot (56) to correspond second mounting groove (54) welding on the top outer wall of protection box (1), pivot (56) are located one of second mounting groove (54) inside and cup joint and are fixed with second gear (57), first mounting groove (52) have been seted up on the inside that installation pole (51) are located second mounting groove (54) top, bolt fastening has second rotating electrical machines (53) on the inside of first mounting groove (52), second rotating electrical machines (53) output shaft is located one of second mounting groove (54) inside and cup joints and is fixed with first mounting groove (52), cup joint is fixed with first rotating electrical machines (53) one to serve A gear (55), and the first gear (55) and the second gear (57) are meshed with each other.

3. A projector mount as claimed in claim 2, wherein: the mounting rod is characterized in that a fixing plate (2) is welded to the outer wall of the top end of the mounting rod (51), and fixing holes are formed in the outer wall of the top end of the fixing plate (2) in a distributed mode.

4. A projector mount as claimed in claim 1, wherein: the top end inner wall of the mounting box (6) is provided with heat dissipation holes (3), and the inner wall of each heat dissipation hole (3) is fixedly embedded with a filter screen.

5. A projector mount as claimed in claim 1, wherein: and a projector (7) is fixedly arranged on the inner wall of the mounting box (6).

6. A projector mount as claimed in claim 1, wherein: the number of the mounting blocks (41), the first sliding grooves (42), the lead screw (43), the first rotating motor (44) and the moving blocks (45) is two.