An improved projector

Abstract

The utility model discloses an improved projector, which relates to the technical field of projectors and comprises a projector body, wherein the bottom of the projector body is fixedly connected with a mounting seat, and the mounting seat is placed on the top of a base. The improved projector is provided with a piston cavity, a hose and an air cavity, and the projector is placed on a table. Then an operator rotates a screw rod, so that the screw rod drives a push block to drive a piston column to move upward, so that air inside a first suction cup and the air cavity is sucked into the piston cavity through the hose. Then an operator resets and rotates the screw rod, and at this time the screw rod drives the push block to reset and move, so that the push block pushes the piston column to reset and move, so that the piston column discharges the air inside the piston cavity to the outside through a discharge pipe, so that suction is generated inside the first suction cup, thereby limiting the projector on the table, so that the projector can be fixed to prevent the projector from falling to the ground and causing damage due to accidental touch.

Description

Technical Field

[0001] The utility model relates to the technical field of projectors, in particular to an improved projector. Background Art

[0002] A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to computers, VCDs, DVDs, BDs, game consoles, DVs, etc. through different interfaces to play corresponding video signals. Projectors are currently widely used in homes, offices, schools, and entertainment venues. Home projectors generally use a standing projector. However, when a standing projector is in use, it may fall to the ground due to accidental touch, causing the standing projector to be damaged. Therefore, an improved projector is proposed. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides an improved projector, which solves the problems raised in the above background technology.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: an improved projector, including a projector body, a mounting base fixedly connected to the bottom of the projector body, the mounting base is placed on the top of the base, the top of the base is fixedly connected to two side panels, one side of the side panels is rotatably connected to a rotating column, one end of the two rotating columns is connected to the outside of the projector body, one end of the two rotating columns extends to the outside of the side panels, an air cavity is opened inside the base, and a plurality of first suction cups are inlaid on the bottom of the base, and the first suction cups are connected to the air cavity. The interior of the cavity is connected, a moving box is provided inside the mounting seat, a piston cavity is provided inside the mounting seat and below the moving box, a screw rod is rotatably connected inside the moving box, a push block is threadedly connected to the outer side of the screw rod, a piston column is fixedly connected to the bottom of the push block, one end of the piston column extends to the inside of the piston cavity and is slidably connected to the inside of the piston cavity, a discharge pipe is fixedly connected to one side of the mounting seat, a hose is fixedly connected to the bottom of the mounting seat, one end of the hose and the discharge pipe both extend into the piston cavity and are both equipped with a one-way valve, and one end of the hose extends to the inside of the air cavity.

[0005] Preferably, one side of one of the side plates is fixedly connected to a fixing plate, a connecting tube is fixedly connected to the inside of the fixing plate, a connecting head is fixedly connected to one side of the fixing plate, an outer side of the connecting head begins to have an external thread groove, an outer side of one end of the connecting head is threadedly connected to an internal thread block through the external thread groove, a sealing plug is fixedly connected to the inner side of the internal thread block, one end of the sealing plug extends to the inside of the connecting head, one end of the connecting tube is connected to one end of the connecting head, and the other end of the connecting tube extends to the inside of the air cavity.

[0006] Preferably, the interior of the rotating column is threadedly connected with a stud, one side of the side plate is provided with a plurality of slots, and one end of the stud is inserted into the corresponding slot.

[0007] Preferably, a dial is fixedly connected to one side of one of the side plates and located on the outer side of the rotating column, and a pointer is fixedly connected to the outer side of the rotating column.

[0008] Preferably, a lens is provided on the surface of the projector body, an elastic rope is installed on the surface of the projector body and below the lens, a protective cover is installed at one end of the elastic rope, and a plurality of second suction cups are fixedly connected to the outer side of the protective cover.

[0009] Preferably, the top end of the screw rod extends above the mounting seat.

[0010] The utility model provides an improved projector, which has the following beneficial effects:

[0011] 1. The improved projector is provided with a piston chamber, a hose and an air chamber. The projector is placed on a table. Then the operator rotates the screw rod, so that the screw rod drives the push block to drive the piston column to move upward, so that the air inside the first suction cup and the air chamber is sucked into the piston chamber through the hose. Then the operator resets and rotates the screw rod. At this time, the screw rod drives the push block to reset and move, so that the push block pushes the piston column to reset and move, so that the piston column discharges the air inside the piston chamber to the outside through the exhaust pipe, so that suction is generated inside the first suction cup, thereby limiting the position of the projector on the table, so as to fix the projector and prevent the projector from falling to the ground and causing damage due to accidental touch.

[0012] 2. The improved projector is provided with a protective cover, an elastic rope and a rotating column. The operator unscrews one end of the stud from the inside of the card slot, and then rotates the rotating column, so that the rotating column drives the mounting seat and the projector body to rotate, and adjusts the angle of the projector body. By observing the scale on the dial pointed to by the pointer on the outside of the rotating column, the angle of the projector body can be adjusted to the required angle, and then one end of the stud is screwed into the card slot to fix the rotating column and the mounting seat to the projector body. When projection is not needed, the instrument is turned off, and then the protective cover is removed, and the protective cover is covered on the outside of the lens. The protective cover is limited by the second suction cup, so that the protective cover is limited to the outside of one end of the lens, thereby protecting the lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the main structure of the projection body of the utility model;

[0015] Figure 3This is a schematic diagram of the side structure of the projection machine body of the utility model;

[0016] Figure 4 For this utility model Figure 1 A magnified image of point A;

[0017] Figure 5 For this utility model Figure 1 Enlarged view of point B.

[0018] In the figure: 1. projector body; 2. mounting base; 3. moving box; 4. screw; 5. push block; 6. piston chamber; 7. piston column; 8. hose; 9. exhaust pipe; 10. base; 11. side panel; 12. rotating column; 13. stud; 14. slot; 15. pointer; 16. dial; 18. air cavity; 19. first suction cup; 20. connecting pipe; 21. connector; 22. sealing plug; 23. internal thread block; 24. external thread groove; 25. fixing plate; 26. elastic rope; 27. protective cover; 28. second suction cup; 29. ​​lens. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Embodiment 1

[0021] See also Figure 1 , Figure 2 , Figure 4 and Figure 5 The utility model provides a technical solution: an improved projector, including a projector body 1, a mounting seat 2 is fixedly connected to the bottom of the projector body 1, the mounting seat 2 is placed on the top of a base 10, two side panels 11 are fixedly connected to the top of the base 10, one side of the side panels 11 is rotatably connected to a rotating column 12, one end of the two rotating columns 12 is connected to the outside of the projector body 1, one end of the two rotating columns 12 is extended to the outside of the side panels 11, an air cavity 18 is opened inside the base 10, and a plurality of first suction cups 19 are inlaid on the bottom of the base 10, and the first suction cups 19 are connected to the air cavity 1 8 is internally connected, a moving box 3 is opened inside the mounting base 2, a piston chamber 6 is opened inside the mounting base 2 and below the moving box 3, a screw rod 4 is rotatably connected inside the moving box 3, a push block 5 is threadedly connected to the outer side of the screw rod 4, a piston column 7 is fixedly connected to the bottom of the push block 5, one end of the piston column 7 extends to the inside of the piston chamber 6 and is slidably connected to the inside of the piston chamber 6, a discharge pipe 9 is fixedly connected to one side of the mounting base 2, a hose 8 is fixedly connected to the bottom of the mounting base 2, one end of the hose 8 and the discharge pipe 9 both extend to the inside of the piston chamber 6 and are both equipped with a one-way valve, and one end of the hose 8 extends to the inside of the air cavity 18.

[0022] A fixing plate 25 is fixedly connected to one side of a side plate 11, a connecting pipe 20 is fixedly connected to the inside of the fixing plate 25, a connecting head 21 is fixedly connected to one side of the fixing plate 25, an outer side of the connecting head 21 has an external thread groove 24 at the beginning, an outer side of one end of the connecting head 21 is threadedly connected to an internal thread block 23 through the external thread groove 24, a sealing plug 22 is fixedly connected to the inner side of the internal thread block 23, one end of the sealing plug 22 extends to the inside of the connecting head 21, one end of the connecting pipe 20 is connected to one end of the connecting head 21, The other end of the connecting tube 20 extends to the inside of the air cavity 18. When the instrument needs to be moved, the internal thread block 23 is unscrewed from the outside of the connector 21, so that the internal thread block 23 pulls one end of the sealing plug 22 out of the connector 21, so that the air cavity 18, the first suction cup 19 and the connecting tube 20 are connected to the external environment through the connector 21, so that the suction force inside the first suction cup 19 disappears, and then the instrument can be moved, and then one end of the internal thread block 23 is screwed onto one end of the connector 21 through the external thread groove 24. The outer side of the sealing plug 22 is inserted into the connector 21 to seal the connector 21. The interior of the rotating column 12 is threadedly connected with a stud 13. One side of the side plate 11 is provided with a plurality of slots 14. One end of the stud 13 is inserted into the corresponding slot 14. By screwing one end of the stud 13 into the slot 14, the angles of the rotating column 12, the side plate 11, the mounting seat 2 and the projector body 1 can be positioned and fixed. A dial 16 is fixedly connected to one side of the side plate 11 and located on the outer side of the rotating column 12. A pointer 15 is fixedly connected to the outer side of the rotating column 12. When the rotating column 12 is rotated to adjust the angle of the projector body 1, the actual angle of the projector body 1 can be obtained by the dial 16 pointed to by the pointer 15 on the outer side of the rotating column 12, so as to adjust the angle of the projector body 1. The top end of the screw rod 4 extends to the top of the mounting seat 2, so that the operator can rotate the screw rod 4 to drive the subsequent components to work, so as to fix the position of the instrument.

[0023] Embodiment 2

[0024] See also Figures 1 to 3 The utility model provides a technical solution: a lens 29 is arranged on the surface of the projector body 1, an elastic rope 26 is installed on the surface of the projector body 1 and below the lens 29, a protective cover 27 is installed at one end of the elastic rope 26, and a plurality of second suction cups 28 are fixedly connected to the outer side of the protective cover 27. When the instrument is not in use, the protective cover 27 is covered on the outer side of the lens 29, so as to protect the lens 29.

[0025] In summary, when using the improved projector, the device is placed on the table, and then the operator rotates the screw rod 4, so that the screw rod 4 drives the push block 5 to drive the piston column 7 to move upward, so that the air inside the first suction cup 19 and the air cavity 18 is sucked into the piston cavity 6 through the hose 8, and then the operator resets and rotates the screw rod 4. At this time, the screw rod 4 drives the push block 5 to reset and move, so that the push block 5 pushes the piston column 7 to reset and move, so that the piston column 7 discharges the air inside the piston cavity 6 to the outside through the exhaust pipe 9, so that suction is generated inside the first suction cup 19, thereby limiting the device on the table, and then when it is needed to use, the angle of the projector body 1 can be adjusted as needed. At this time, the operator unscrews one end of the stud 13 from the inside of the card slot 14, and then rotates the rotating column 12, so that the rotating column 12 drives the installation The mounting base 2 and the projector body 1 are rotated to adjust the angle of the projector body 1. The angle of the projector body 1 can be adjusted to the desired angle by observing the scale on the dial 16 pointed to by the pointer 15 on the outside of the rotating column 12, and then one end of the stud 13 is screwed into the slot 14 to fix the rotating column 12 and the mounting base 2 to the projector body 1. Then, the protective cover 27 is pulled off the surface of the projector body 1, and then adsorbed on the surface of the projector body 1 through the second suction cup 28, so that the protective cover 27 is located below the lens 29. Then, the projector body 1 can be started and projection can be performed through the lens 29. When projection is not needed, the instrument can be turned off, and then the protective cover 27 is removed, and the protective cover 27 is covered on the outside of the lens 29, and the protective cover 27 is limited by the second suction cup 28.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An improved projector, comprising a projector body (1), characterized in that: The bottom of the projector body (1) is fixedly connected to a mounting seat (2), the mounting seat (2) is placed on the top of the base (10), the top of the base (10) is fixedly connected to two side panels (11), one side of each side panel (11) is rotatably connected to a rotating column (12), one end of each rotating column (12) is connected to the outside of the projector body (1), one end of each rotating column (12) extends to the outside of the side panel (11), an air cavity (18) is provided inside the base (10), a plurality of first suction cups (19) are embedded at the bottom of the base (10), the first suction cups (19) are connected to the inside of the air cavity (18), and a movable box is provided inside the mounting seat (2). (3), a piston chamber (6) is provided inside the mounting seat (2) and below the moving box (3), a screw rod (4) is rotatably connected inside the moving box (3), a push block (5) is threadedly connected to the outer side of the screw rod (4), a piston column (7) is fixedly connected to the bottom of the push block (5), one end of the piston column (7) extends into the piston chamber (6) and is slidably connected to the piston chamber (6), a discharge pipe (9) is fixedly connected to one side of the mounting seat (2), a hose (8) is fixedly connected to the bottom of the mounting seat (2), one end of the hose (8) and the discharge pipe (9) both extend into the piston chamber (6) and are both equipped with a one-way valve, and one end of the hose (8) extends into the air chamber (18).

2. An improved projector according to claim 1, characterized in that: A fixing plate (25) is fixedly connected to one side of one side plate (11), a connecting pipe (20) is fixedly connected to the inside of the fixing plate (25), a connecting head (21) is fixedly connected to one side of the fixing plate (25), an outer side of the connecting head (21) has an external thread groove (24) at the beginning, an outer side of one end of the connecting head (21) is threadedly connected to an internal thread block (23) through the external thread groove (24), a sealing plug (22) is fixedly connected to the inside of the internal thread block (23), one end of the sealing plug (22) extends to the inside of the connecting head (21), one end of the connecting pipe (20) is connected to one end of the connecting head (21), and the other end of the connecting pipe (20) extends to the inside of the air cavity (18).

3. An improved projector according to claim 1, characterized in that: The interior of the rotating column (12) is threadedly connected with a stud (13), one side of the side plate (11) is provided with a plurality of slots (14), and one end of the stud (13) is inserted into the corresponding slot (14).

4. An improved projector according to claim 1, characterized in that: A dial (16) is fixedly connected to one side of the side plate (11) and located outside the rotating column (12), and a pointer (15) is fixedly connected to the outside of the rotating column (12).

5. An improved projector according to claim 1, characterized in that: A lens (29) is provided on the surface of the projector body (1), an elastic rope (26) is installed on the surface of the projector body (1) and below the lens (29), a protective cover (27) is installed at one end of the elastic rope (26), and a plurality of second suction cups (28) are fixedly connected to the outer side of the protective cover (27).

6. An improved projector according to claim 1, characterized in that: The top end of the screw rod (4) extends to the top of the mounting seat (2).

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