CN213745837U

CN213745837U - Rotary projection device for visual design

Info

Publication number: CN213745837U
Application number: CN202022495964.1U
Authority: CN
Inventors: 徐小林
Original assignee: Hangzhou Sandi Technology Co ltd
Current assignee: Hangzhou Sandi Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-07-20
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a visual design is with rotatory projection arrangement, including operation case, vaulting pole and projecting apparatus, first gear is installed to the vaulting pole outer lane, the operation case is rotated on the vaulting pole right side and is installed the ejector pin, the top of ejector pin is run through the operation case and is rotated and be connected with the hinge bar, the one end and the projecting apparatus of hinge bar rotate to be connected, operation incasement rotation is provided with the cover and is established the connecting pipe outside the ejector pin, connecting pipe inner wall and ejector pin outer wall threaded connection, the second gear relative with first gear is installed to the outer wall of connecting pipe, first gear and second gear have engaged with third gear and fourth gear respectively in the front side and the rear side of operation case, it is provided with the mounting bracket to slide in the operation case, be provided with driving motor on the mounting bracket, install drive gear on driving motor's the output shaft, drive gear can mesh with first gear and second gear simultaneously, or with third gear, The fourth gear is meshed independently, and a driving cylinder used for pushing the mounting frame to slide is arranged in the running box.

Description

Rotary projection device for visual design

Technical Field

The utility model relates to a visual design technical field, in particular to visual design is with rotatory projection arrangement.

Background

A projection apparatus is a device that can project an image on a curtain or a wall or on the ground, and has been widely used in various places; however, after the existing projection device is installed, the angle of the projection device cannot be continuously adjusted, and only one point is projected, so that the projection effect is poor, and therefore, a rotary projection device for visual design is provided.

Among the prior art, a rotatory projection arrangement for visual design (patent number is ZL201921444810.0) is disclosed, including the operation case, it is connected with the vaulting pole to rotate on the inner wall of operation case, and the top of vaulting pole runs through the operation case and rotates and be connected with the projecting apparatus, and the fixed cover in the outside of vaulting pole is equipped with first gear, fixed mounting has the cylinder on one side inner wall of operation case, and fixed mounting has two-sided rack on the piston of cylinder, fixed mounting has the fixed plate on the inner wall of operation case, fixed plate and two-sided rack sliding connection, sliding connection has the ejector pin on the top inner wall of operation case. The utility model discloses simple structure, convenient to use can make the not equidirectional angle of projecting apparatus adjust, does benefit to people and uses.

Foretell rotatory projection arrangement drives first gear and second gear and rotates simultaneously through two-sided rack, and first gear drives the bracing piece and rotates and then turns to on the horizontal direction that realizes the projecting apparatus, and the second gear drives the ejector pin and rotates and realize translation from top to bottom, and then drives turning to on the projecting apparatus vertical direction through the hinge bar, and this kind of structure horizontal direction and vertical direction turn to the collocation fixedly, have the folk prescription to the problem that can't realize of adjusting.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a visual design is with rotatory projection arrangement.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a rotary projection device for visual design comprises a running box, a supporting rod and a projector, wherein a first gear is installed on the outer ring of the supporting rod, a top rod is rotatably installed on the right side of the supporting rod of the running box, the top end of the top rod penetrates through the running box and is rotatably connected with a hinge rod, one end of the hinge rod is rotatably connected with the projector, a connecting pipe sleeved outside the top rod is rotatably arranged in the running box, the inner wall of the connecting pipe is in threaded connection with the outer wall of the top rod, a second gear opposite to the first gear is installed on the outer wall of the connecting pipe, the front side and the rear side of the running box of the first gear and the second gear are respectively meshed with a third gear and a fourth gear, a mounting frame is arranged in the running box in a sliding mode, a driving motor is arranged on the mounting frame, a driving gear is installed on an output shaft of the driving motor, the driving gear can be meshed with the first gear and the second gear simultaneously or meshed with the third gear and the fourth gear independently, a driving cylinder used for pushing the mounting frame to slide is arranged in the operation box.

More preferably, the first gear and the third gear are identical, and the second gear and the fourth gear are identical.

Preferably, the third gear and the fourth gear are coaxially provided with a direction limiting disc opposite to the bottom end inside the operation box, the bottom end of the direction limiting disc is provided with a plurality of holes along the circumferential direction, electromagnets are arranged in the holes, and the operation box is provided with limiting strips in a sliding manner along the vertical direction at the positions opposite to the holes.

Further preferably, the outer side of the projector is rotatably sleeved with an annular positioning block, and the annular positioning block is rotatably connected with the hinge rod.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does: the rotation of the first gear and the second gear is arranged to realize the rotation of the projector in the horizontal direction and the vertical direction, and then the third gear, the fourth gear and the driving gear are matched, under the pushing of the driving cylinder, when the driving gear is firstly meshed with the fourth gear, under the driving of the driving motor, the second gear rotates to realize the downward or downward translation of the ejector rod, and finally the rotation of the projector in the single vertical direction is realized; then the driving gear enters between the first gear and the second gear and is meshed with the first gear and the second gear, and the first gear and the second gear rotate under the driving of the driving motor to realize synchronous steering of the projector in the horizontal direction and the vertical direction; and finally, the driving gear is meshed with the third gear, so that the projector can turn in one direction in the horizontal direction.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

fig. 2 is a side view of the embodiment of fig. 1.

Reference numerals: 1. a running box; 2. a stay bar; 3. a projector; 4. a first gear; 5. a top rod; 6. a hinged lever; 7. a connecting pipe; 8. a second gear; 9. a third gear; 10. a fourth gear; 11. a mounting frame; 12. a drive motor; 13. a drive gear; 14. a driving cylinder; 15. a direction limiting disc; 16. opening a hole; 17. a limiting strip; 18. an annular positioning block.

Detailed Description

The following provides a more detailed description of the present invention with reference to the accompanying drawings.

The utility model provides a rotatory projection arrangement is used in visual design, refer to fig. 1 and fig. 2, including operation case 1, vaulting pole 2 and projecting apparatus 3, vaulting pole 2 is perpendicular setting, and rotate with the top of operation case 1 and be connected, 2 upper portions of vaulting pole wear out operation case 1 and be connected with 3 bottom rotations of projecting apparatus, 2 lower parts of vaulting pole rotate to be installed in operation case 1, install first gear 4 on the outer lane of 2 lower parts of vaulting pole, operation case 1 rotates on 2 right sides of vaulting pole and installs ejector pin 5, the top of ejector pin 5 runs through operation case 1 and is rotatably connected with hinge bar 6, the outside rotation cover of projecting apparatus 3 is equipped with annular locating piece 18, annular locating piece 18 rotates with hinge bar 6 and is connected.

A connecting pipe 7 sleeved outside the ejector rod 5 is rotatably arranged in the operation box 1, the inner wall of the connecting pipe 7 is in threaded connection with the outer wall of the ejector rod 5, a second gear 8 opposite to the first gear 4 is installed on the outer wall of the connecting pipe 7, the first gear 4 and the second gear 8 are respectively meshed with a third gear 9 and a fourth gear 10 on the front side and the rear side of the operation box 1, in the embodiment, the first gear 4 and the third gear 9 are completely the same, and the second gear 8 and the fourth gear 10 are completely the same; a mounting frame 11 is arranged in the operation box 1 in a sliding mode, a driving motor 12 is arranged on the mounting frame 11, a driving gear 13 is arranged on an output shaft of the driving motor 12, the driving gear 13 can be meshed with the first gear 4 and the second gear 8 simultaneously or meshed with the third gear 9 and the fourth gear 10 independently, and a driving cylinder 14 used for pushing the mounting frame 11 to slide is arranged in the operation box 1.

The lower parts of the third gear 9 and the fourth gear 10 are coaxially provided with a direction limiting disc 15 opposite to the bottom end in the running box 1, the bottom end of the direction limiting disc 15 is provided with a plurality of holes 16 along the circumferential direction, electromagnets are arranged in the holes 16, and the running box 1 is provided with a limiting strip 17 in a sliding mode along the vertical direction at the position opposite to the holes 16.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The rotary projection device for visual design comprises a running box, a supporting rod and a projector and is characterized in that a first gear is mounted on an outer ring of the supporting rod, a top rod is rotatably mounted on the right side of the supporting rod by the running box, the top end of the top rod penetrates through the running box and is rotatably connected with a hinge rod, one end of the hinge rod is rotatably connected with the projector, a connecting pipe sleeved outside the top rod is rotatably arranged in the running box, the inner wall of the connecting pipe is in threaded connection with the outer wall of the top rod, a second gear opposite to the first gear is mounted on the outer wall of the connecting pipe, a third gear and a fourth gear are respectively meshed with the front side and the rear side of the running box by the first gear and the second gear, a mounting frame is slidably arranged in the running box, a driving motor is arranged on the mounting frame, a driving gear is mounted on an output shaft of the driving motor, and can be meshed with the first gear and the second gear simultaneously or meshed with the third gear, The fourth gear is meshed independently, and a driving cylinder used for pushing the mounting frame to slide is arranged in the running box.

2. A rotary projection device for visual design according to claim 1 wherein the first gear and the third gear are identical and the second gear and the fourth gear are identical.

3. The rotary projection device for visual design according to claim 1, wherein a direction limiting disc opposite to the bottom end inside the operation box is coaxially arranged below each of the third gear and the fourth gear, a plurality of openings are formed in the bottom end of the direction limiting disc along the circumferential direction of the direction limiting disc, electromagnets are arranged in the openings, and a position limiting strip is arranged on the operation box in a sliding manner along the vertical direction at a position opposite to the openings.

4. The rotary projection apparatus for visual design according to claim 1, wherein the outer side of the projector is rotatably sleeved with a ring-shaped positioning block, and the ring-shaped positioning block is rotatably connected with the hinge rod.