CN219162531U

CN219162531U - Portable miniature projector

Info

Publication number: CN219162531U
Application number: CN202222309420.0U
Authority: CN
Inventors: 白鸿峥
Original assignee: Shandong Qijin Optoelectronics Technology Co ltd
Current assignee: Beijing Baibohe Photoelectric Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-06-09
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to the technical field of electric appliances, in particular to a portable miniature projector, which has a simple structure, and an end cover can be automatically closed after the projector moves into a convenient box, so that the portable miniature projector is more convenient to use. The portable box comprises a portable box body and a projector, and further comprises an end cover rotatably mounted on the portable box body, wherein a long strip plate vertically slides in the portable box body, pushing blocks are fixed at two ends of the long strip plate, a push rod is rotatably mounted on the pushing blocks, and the push rod is rotatably connected with the end cover. The portable box is rotatably provided with a hollow shaft and a rotating shaft, the hollow shaft drives the rotating shaft to rotate through a gear assembly, a first through hole and a second through hole which are communicated are formed in the hollow shaft, a driving shaft penetrating through the first through hole is fixed on the long slat, the first through hole is in a spiral shape, and the second through hole is in a vertical shape. The rotating shaft is fixedly provided with a first swing arm, the other end of the first swing arm is rotatably provided with a second swing arm, the other end of the second swing arm is rotatably provided with a lifting plate, the lifting plate vertically slides in the portable box, and the projector is arranged on the lifting plate.

Description

Portable miniature projector

Technical Field

The utility model relates to the technical field of electric appliances, in particular to a portable miniature projector.

Background

The projector is a device capable of projecting images or videos onto a curtain, and can play corresponding video signals by being connected with a computer, VCD, DVD, BD, a game machine, DV and the like through different interfaces. Projectors are widely used in homes, offices, schools, and entertainment venues, and are available in different types, such as CRT, LCD, DLP, etc., depending on the manner in which they are operated.

The utility model provides a 202122741351.6 discloses a portable projecting apparatus, includes the portable case, the supporting leg is installed to the bottom welded of portable case, first spout has been seted up to the inboard bottom of portable case, the second spout has all been seted up to the both sides inner wall of portable case, the second spout is perpendicular corresponding setting with first spout, the dwang is installed in a lateral wall rotation of first spout, the free end of dwang runs through another lateral wall of first spout and extends to the outside welded of portable case and installs the knob, the surface mounting of portable case has first conical gear. Realize that the screw thread cover is along second spout longitudinal movement through threaded rod and screw thread cover meshing, and then drive projecting apparatus body longitudinal movement, drive projecting apparatus body downwardly moving through the screw thread cover and make the projecting apparatus body wholly get into the portable case in, protect the projecting apparatus body through the portable case, and then practiced thrift transport projecting apparatus body time of packing, be convenient for carry the projecting apparatus body through the hand strap.

The above device has the following disadvantages: the portable case has no cover plate, and the projector is exposed outside after entering the portable case, so that dust and the like easily enter the projector, and the projector is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the portable miniature projector which is simple in structure, and after the projector moves into a convenient box, the end cover can be automatically closed, so that the portable miniature projector is more convenient to use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a portable miniature projector, includes portable case and projecting apparatus, still including rotating the end cover of installing on the portable case, the inside vertical slip of portable case has the slat, and the both ends of slat all are fixed with the impeller block, rotate on the impeller block and install the push rod, and the push rod rotates with the end cover to be connected. The portable box is rotatably provided with a hollow shaft and a rotating shaft, the hollow shaft drives the rotating shaft to rotate through a gear assembly, a first through hole and a second through hole which are communicated are formed in the hollow shaft, a driving shaft penetrating through the first through hole is fixed on the long slat, the first through hole is in a spiral shape, and the second through hole is in a vertical shape. The rotating shaft is fixedly provided with a first swing arm, the other end of the first swing arm is rotatably provided with a second swing arm, the other end of the second swing arm is rotatably provided with a lifting plate, the lifting plate vertically slides in the portable box, and the projector is arranged on the lifting plate. The portable box is rotatably provided with a supporting shaft, a swing arm III is fixed on the supporting shaft, and the other end of the swing arm III is in sliding fit with the long slat.

Preferably, the other end of the supporting shaft is fixed with a rocker arm, and an operating ring is rotatably arranged on the rocker arm.

Preferably, the gear assembly comprises a first bevel gear fixed on the hollow shaft and a second bevel gear fixed on the rotating shaft, and the second bevel gear is meshed with the first bevel gear.

Preferably, a plurality of optical axes are fixed in the portable case, and the lifting plate is slidably arranged on the optical axes.

Preferably, the end part of the swing arm III is fixed with a fixed shaft, and the fixed shaft penetrates through a strip hole formed in the strip plate.

Preferably, the portable case is rotatably provided with a handle.

Compared with the prior art, the utility model provides a portable miniature projector, which has the following beneficial effects:

when the projector is not used, the projector can be placed inside the portable box, the end cover can be automatically closed, the projector is completely sealed in the portable box, impurities are prevented from entering, and in the process that the projector is moved out, the end cover can be opened first, so that the projector is not prevented from moving upwards.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a partial enlarged view of a portion a in fig. 2;

FIG. 4 is a further exploded view of FIG. 2;

FIG. 5 is a schematic view of the structure from the rear side of FIG. 4;

the reference numerals in the drawings: 1. a portable case; 2. a projector; 3. an end cap; 4. a long slat; 5. a pushing block; 6. a guide rail; 7. a push rod; 8. a hollow shaft; 9. a rotating shaft; 10. a first through hole; 11. a second through hole; 12. a drive shaft; 13. a swing arm I; 14. swing arm II; 15. a lifting plate; 16. a support shaft; 17. swing arms III; 18. a rocker arm; 19. an operating ring; 20. bevel gears I; 21. bevel gears II; 22. an optical axis; 23. a fixed shaft; 24. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, a portable miniature projector of the present utility model includes a portable case 1 and a projector 2, and further includes an end cap 3 rotatably mounted on the portable case 1 by a hinge. The inside vertical slip of portable case 1 has slat 4, and the both ends of slat 4 all are fixed with the impeller block 5, and portable case 1 inside is fixed with guide rail 6, impeller block 5 slidable mounting on guide rail 6, and impeller block 5 is last to rotate and to install push rod 7, and push rod 7 rotates with end cover 3 to be connected. The portable case 1 is internally provided with a hollow shaft 8 and a rotating shaft 9 in a rotating way, the hollow shaft 8 drives the rotating shaft 9 to rotate through a gear assembly, a first through hole 10 and a second through hole 11 which are communicated are formed in the hollow shaft 8, a driving shaft 12 penetrating through the first through hole 10 is fixed on the long slat 4, the first through hole 10 is in a spiral shape, and the second through hole 11 is in a vertical shape. The swing arm I13 is fixed on the rotating shaft 9, the swing arm II 14 is rotatably arranged at the other end of the swing arm I13, the lifting plate 15 is rotatably arranged at the other end of the swing arm II 14, the lifting plate 15 vertically slides in the portable box 1, and the projector 2 is arranged on the lifting plate 15. The portable case 1 is rotatably provided with a support shaft 16, a swing arm III 17 is fixed on the support shaft 16, and the other end of the swing arm III 17 is in sliding fit with the long slat 4.

In this embodiment, as shown in fig. 1, the projector 2 is located outside the portable case 1, at this time, the end cover 3 is opened, and the projector 2 is normally projected, when the projector 2 needs to be retracted, the supporting shaft 16 is rotated, the swing arm three 17 rotates along with the supporting shaft 16, and the other end of the swing arm three 17 is in sliding fit with the slat 4, so that the slat 4, the pushing block 5 and the driving shaft 12 all move vertically downward along the guide rail 6, and the end cover 3 is rotated to be closed under the pulling of the push rod 7. In the process of rotating and closing the end cover 3, the driving shaft 12 moving vertically downwards firstly passes through the first through hole 10 which is spiral, so that the hollow shaft 8 rotates, the rotating shaft 9 is driven to rotate under the cooperation of the gear assembly, the lifting plate 15 and the projector 2 downwards move to the inside of the portable box 1 under the cooperation of the first swing arm 13 and the second swing arm 14, and then the driving shaft 12 passes through the second through hole 11 which is vertical, the hollow shaft 8 cannot be influenced, and interference cannot be generated on the rotation of the end cover 3.

Further, a rocker arm 18 is fixed to the other end of the support shaft 16, and an operating ring 19 is rotatably mounted on the rocker arm 18. The operating ring 19 is held to rotate the rocker arm 18 and the support shaft 16, which is more labor-saving and more comfortable.

The gear assembly comprises a first bevel gear 20 fixed on the hollow shaft 8 and a second bevel gear 21 fixed on the rotating shaft 9, wherein the second bevel gear 21 is meshed with the first bevel gear 20. The hollow shaft 8 drives the bevel gear I20 to rotate, and the bevel gear I20 is meshed with the bevel gear II 21, so that the bevel gear II 21 and the rotating shaft 9 are driven to rotate.

A plurality of optical axes 22 are also fixed in the portable case 1, and the lifting plate 15 is slidably mounted on the optical axes 22. The lifting plate 15 can slide along the optical axis 22, so that the lifting plate is more stable.

The end part of the swing arm III 17 is fixed with a fixed shaft 23, and the fixed shaft 23 passes through a strip hole formed on the strip plate 4. When the support shaft 16 rotates, the fixed shaft 23 also rotates around the support shaft 16, and the fixed shaft 23 passes through the long hole in the long slat 4, so that the long slat 4 moves up and down.

A handle 24 is rotatably mounted on the portable case 1. After the end cover 3 is closed, the handle 24 is held by hand to lift the portable case 1, and the portable case 1 is easier to bear force.

The working principle of the utility model is as follows:

when the portable projector is used, the operation ring 19 is held and rotated, the support shaft 16, the swing arm III 17 and the fixed shaft 23 are rotated, the long slat 4, the pushing block 5 and the driving shaft 12 are lowered along the guide rail 6, the end cover 3 is closed under the pulling of the push rod 7, and in the closing process, the projector 2 can firstly move into the portable case 1 without influencing the rotating end cover 3. When the projector 2 is required to be used, the operation ring 19 is reversely rotated, and after the end cover 3 is rotated for a certain angle, the projector 2 can be moved out of the portable case 1 along the optical axis 22 and cannot collide with the end cover 3.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A portable miniature projector, comprising a portable case (1) and a projector (2); the portable box is characterized by further comprising an end cover (3) rotatably arranged on the portable box (1), wherein a long slat (4) vertically slides in the portable box (1), pushing blocks (5) are fixed at two ends of the long slat (4), a guide rail (6) is fixed in the portable box (1), and the pushing blocks (5) are slidably arranged on the guide rail (6); a push rod (7) is rotatably arranged on the push block (5), and the push rod (7) is rotatably connected with the end cover (3);

a hollow shaft (8) and a rotating shaft (9) are rotatably arranged in the portable box (1), the hollow shaft (8) drives the rotating shaft (9) to rotate through a gear assembly, a first through hole (10) and a second through hole (11) which are communicated are formed in the hollow shaft (8), a driving shaft (12) penetrating through the first through hole (10) is fixed on the long slat (4), the first through hole (10) is spiral, and the second through hole (11) is vertical;

a swing arm I (13) is fixed on the rotating shaft (9), a swing arm II (14) is rotatably arranged at the other end of the swing arm I (13), a lifting plate (15) is rotatably arranged at the other end of the swing arm II (14), the lifting plate (15) vertically slides in the portable box (1), and the projector (2) is arranged on the lifting plate (15);

the portable case (1) is rotatably provided with a supporting shaft (16), the supporting shaft (16) is fixedly provided with a swing arm III (17), and the other end of the swing arm III (17) is in sliding fit with the long slat (4).

2. A portable miniature projector according to claim 1, characterized in that the other end of the support shaft (16) is fixed with a rocker arm (18), and that the rocker arm (18) is rotatably fitted with an operating ring (19).

3. A portable micro-projector according to claim 1, wherein the gear assembly comprises a first bevel gear (20) fixed to the hollow shaft (8) and a second bevel gear (21) fixed to the rotating shaft (9), the second bevel gear (21) being in mesh with the first bevel gear (20).

4. A portable miniature projector according to claim 1, characterized in that the portable case (1) has a plurality of optical axes (22) fixed therein, and the lifting plate (15) is slidably mounted on the optical axes (22).

5. A portable miniature projector according to claim 1, characterized in that the end of the swing arm three (17) is fixed with a fixed shaft (23), the fixed shaft (23) passing through a strip hole opened on the strip plate (4).

6. A portable miniature projector according to claim 1, characterized in that the carrying case (1) is rotatably mounted with a handle (24).