CN217932386U - Multi-angle projection device - Google Patents

Abstract

The utility model discloses a multi-angle projection device, which belongs to the technical field of projection devices, and comprises a bottom plate. Both sides of the top of the bottom plate are fixedly connected with pillars, and a limiting component is arranged in the pillar, and a bearing is embedded in the pillar. , and the first connecting shaft is rotatably connected to the bearing, and a projector main body is fixedly connected between the two first connecting shafts, a lens is fixed on one side of the projector main body, and a connecting shaft is fixedly connected to the top of the projector main body. block, and a cleaning component is arranged inside the connecting block. In the utility model, by setting the cleaning assembly, the rack drives the second connecting shaft to reciprocate through the transmission gear, and the second connecting shaft drives the filter and the cleaning ring to move back and forth through the connecting rod, and cleans the lens. The cleaning ring can clean the projection Cleaning the lens can keep the projection lens clean and prevent dust and other debris from affecting the projection effect. The conversion of the filter can change the projection color and other effects.

Description

A multi-angle projection device

technical field

The utility model belongs to the technical field of projection devices, in particular to a multi-angle projection device.

Background technique

Visual communication design is a design that is expressed and communicated to the audience through visual media. It embodies the design characteristics of the times, graphic design and rich connotations. Most of the designed pictures, advertisements and videos are placed in front of the public through projection devices. has an important position.

However, the structure of existing projection devices is relatively simple, and most projection devices need to adjust the angle according to the actual situation during actual use. The angle adjustment operation of existing projection devices is relatively cumbersome and has poor flexibility. During long-term use, the surface of the long lens of the projection device is prone to dust. If it cannot be cleaned in time, it will easily affect the projection effect.

Utility model content

The purpose of the utility model is to propose a multi-angle projection device in order to solve the problems in the prior art that the angle adjustment is difficult and the lens is easily dusted and the projection effect is affected.

In order to achieve the above object, the utility model adopts the following technical solutions:

A multi-angle projection device, comprising a bottom plate, a pillar is fixedly connected to both sides of the top of the bottom plate, a limiting assembly is arranged in the pillar, a bearing is embedded in the pillar, and a first connecting shaft is rotatably connected to the bearing , and a projector main body is fixedly connected between the two first connecting shafts, a lens is fixed on one side of the projector main body, a connecting block is fixedly connected to the top of the projector main body, and a cleaning device is arranged inside the connecting block. components;

The cleaning assembly includes a second connecting shaft. A second cavity is opened inside the connecting block. Bearings are embedded on both sides of the inner wall of the second cavity. The second connecting shaft is rotatably connected in the bearing. The outer surface of the second connecting shaft clamps the transmission gear, the top of the transmission gear is meshed with a rack, one side of the rack is fixedly connected with an extrusion plate, and the extrusion plate is slidably connected in the second cavity. A cam is attached to one side of the extrusion plate, a motor is fixedly installed in the second cavity, and one end of the output shaft of the motor is fixedly connected to one side of the cam.

As a further description of the above technical solution:

One end of the second connecting shaft extends to the outside of the second cavity and is fixedly connected with a connecting rod, the bottom of the connecting rod is fixedly connected with a filter, and a cleaning ring is fixedly connected around one side of the filter, and the cleaning ring and The lens fits.

As a further description of the above technical solution:

One side of the inner wall of the second cavity is fixedly connected to a telescopic rod, and one end of the telescopic rod is fixedly connected to a transmission rack and the other end is fixedly connected.

As a further description of the above technical solution:

A spring is sheathed on the outer surface of the telescopic rod, and two ends of the spring are respectively fixedly connected to one end of the transmission rack and one side of the inner wall of the second cavity.

As a further description of the above technical solution:

The limiting assembly includes a limiting plate, a first cavity is opened inside the pillar, one end of the first connecting shaft extends to the first cavity, and the first connecting shaft and the limiting plate are engaged with each other, so The outer surface of the limiting plate is provided with a plurality of clamping slots, and clamping blocks are clamped in the clamping slots, the top of the clamping blocks is fixedly connected with a screw seat, and the top of the screw seat is threadedly connected with an adjusting screw.

As a further description of the above technical solution:

The top of the adjusting screw is fixedly connected with a rotating shaft, and one end of the rotating shaft extends to the outside of the pillar and is fixedly connected with a knob.

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

1. In this utility model, by setting the cleaning component, the cam cooperates with the spring to drive the rack to reciprocate. The rack drives the second connecting shaft to reciprocate through the transmission gear, and the second connecting shaft drives the filter and the cleaning ring to reciprocate through the connecting rod. Move and clean the lens. The cleaning ring can clean the projection lens to keep the projection lens clean and prevent dust and other debris from affecting the projection effect. The conversion of the filter can change the projection color and other effects to improve the visual effect.

2. In the utility model, by setting the limit assembly, the knob drives the screw seat to move through the adjustment screw, and the screw seat drives the block and the slot to separate. At this time, after adjusting the position of the main body of the projector to a suitable position, the staff will Turn the knob in the opposite direction, and the knob drives the block and the slot to engage with each other through the adjustment screw, so as to realize the limit of the projector main body, so that the projector main body can be adjusted from multiple angles to meet different projection requirements.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is a side view sectional structural schematic diagram of the position limiting assembly of the present invention;

Fig. 3 is a front view sectional structural schematic diagram of the cleaning assembly of the present invention.

Legend description: 1. Projector main body; 2. Limiting component; 201. Knob; 202. Adjusting screw; 203. Screw seat; 204. Block; 1 cavity; 3, pillar; 4, lens; 5, bottom plate; 6, connecting block; 7, cleaning component; 701, connecting rod; 702, filter; 703, cleaning ring; 704, transmission gear; 705, second Connecting shaft; 706, extrusion plate; 707, motor; 708, cam; 709, rack; 710, spring; 711, telescopic rod; 712, second cavity; 3, pillar; 4, lens; 5, bottom plate; 6. The connecting block; 7. The cleaning component; 8. The first connecting shaft.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a multi-angle projection device, including a bottom plate 5, the top sides of the bottom plate 5 are fixedly connected with a pillar 3, and a limit assembly 2 is arranged inside the pillar 3, and the pillar 3 A bearing is embedded in the bearing, and a first connecting shaft 8 is rotatably connected to the bearing, and a projector main body 1 is fixedly connected between the two first connecting shafts 8, and a lens 4 is fixed on one side of the projector main body 1, and the projector A connecting block 6 is fixedly connected to the top of the main body 1, and a cleaning component 7 is arranged inside the connecting block 6;

The cleaning assembly 7 includes a second connection shaft 705. A second cavity 712 is provided inside the connection block 6. Bearings are embedded on both sides of the inner wall of the second cavity 712. The second connection shaft 705 is rotatably connected in the bearing, and the second connection The outer surface of the shaft 705 is clamped with the transmission gear 704, the top of the transmission gear 704 is meshed with a rack 709, one side of the rack 709 is fixedly connected with an extrusion plate 706, and the extrusion plate 706 is slidably connected in the second cavity 712. A cam 708 is attached to one side of the 706, and a motor 707 is fixedly installed in the second cavity 712. One end of the output shaft of the motor 707 is fixedly connected to one side of the cam 708, and one end of the second connecting shaft 705 extends to the outside of the second cavity 712 and is fixed. A connecting rod 701 is connected, the bottom of the connecting rod 701 is fixedly connected with a filter 702, and one side of the filter 702 is fixedly connected with a cleaning ring 703, the cleaning ring 703 fits with the lens 4, and one side of the inner wall of the second cavity 712 is fixedly connected Telescopic rod 711, one end of the telescopic rod 711 is fixedly connected with one end of the transmission rack 709, the outer surface of the telescopic rod 711 is covered with a spring 710, and the two ends of the spring 710 are respectively fixedly connected with one end of the transmission rack 709 and one side of the inner wall of the second cavity 712 , by setting the cleaning assembly 7, the cam 708 cooperates with the spring 710 to drive the rack 709 to reciprocate, the rack 709 drives the second connecting shaft 705 to reciprocate, and the second connecting shaft 705 drives the filter 702 and the cleaning ring 703 to move back and forth. The lens 4 is cleaned, and the cleaning ring 703 can clean the projection lens 4 to keep the projection lens 4 clean and prevent dust and other sundries from affecting the projection effect.

The limit assembly 2 includes a limit plate 206, a first cavity 207 is opened inside the pillar 3, and one end of the first connecting shaft 8 extends to the first cavity 207, and the first connecting shaft 8 and the limit plate 206 are engaged with each other to limit The outer surface of the bit disk 206 is provided with a plurality of draw-in slots 205, and the draw-in slots 205 are clamped with a block 204. The top of the block 204 is fixedly connected with a lead screw seat 203, and the top of the lead screw seat 203 is threadedly connected with an adjustment lead screw 202. The top of the lead screw 202 is fixedly connected with a rotating shaft, and one end of the rotating shaft extends to the outside of the pillar 3 and is fixedly connected with a knob 201. After setting the limit assembly 2 and adjusting the position of the projector main body 1 to a proper position, the staff rotates the knob 201 in the opposite direction. The knob 201 drives the clamping block 204 and the clamping groove 205 to engage with each other by adjusting the lead screw 202, so as to limit the position of the projector main body 1, so that the projector main body 1 can be adjusted in multiple angles to meet different projection requirements.

Working principle: when in use, the staff turns the knob 201, the knob 201 drives the adjustment screw 202 to rotate, the adjustment screw 202 drives the screw seat 203 to move, and the screw seat 203 drives the block 204 to move upward, so that the block 204 and the card slot 205 is separated, at this time, the staff rotates the projector main body 1, when the projector main body 1 rotates to a suitable position, the staff rotates the knob 201 in the opposite direction, and the knob 201 drives the block 204 and the slot 205 to interact with each other through the adjustment screw 202 Clamping, so as to realize the limit of the limit disc 206 , thereby realize the limit of the projector main body 1 .

After adjusting the angle of the projector main body 1, the staff starts the motor 707, the motor 707 drives the cam 708 to rotate, the cam 708 drives the extrusion plate 706 to move, the extrusion plate 706 drives the rack 709 to move, and at the same time, the spring 710 drives the rack 709 to move Reset movement, the rack 709 drives the transmission gear 704 to reciprocate, the transmission gear 704 drives the second connecting shaft 705 to reciprocate, the second connecting shaft 705 drives the connecting rod 701 to reciprocate, and the connecting rod 701 drives the filter 702 and the cleaning ring 703 to reciprocate , and clean lens 4.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A multi-angle projection device, includes bottom plate (5), its characterized in that: pillars (3) are fixedly connected to two sides of the top of the base plate (5), limiting assemblies (2) are arranged in the pillars (3), bearings are embedded in the pillars (3), first connecting shafts (8) are rotatably connected in the bearings, a projector main body (1) is fixedly connected between the two first connecting shafts (8), a lens (4) is fixedly arranged on one side of the projector main body (1), a connecting block (6) is fixedly connected to the top of the projector main body (1), and a cleaning assembly (7) is arranged inside the connecting block (6);

clean subassembly (7) including second connecting axle (705), second cavity (712) have been seted up to connecting block (6) inside, second cavity (712) inner wall both sides all inlay and are equipped with the bearing, second connecting axle (705) rotate to be connected in the bearing, second connecting axle (705) surface joint drive gear (704), drive gear (704) top meshing has rack (709), rack (709) one side fixedly connected with stripper plate (706), stripper plate (706) sliding connection is in second cavity (712), the laminating of stripper plate (706) one side has cam (708), fixed mounting has motor (707) in second cavity (712), motor (707) output shaft one end and cam (708) one side fixed connection.

2. The multi-angle projection apparatus according to claim 1, wherein: one end of the second connecting shaft (705) extends to the outside of the second cavity (712) and is fixedly connected with a connecting rod (701), the bottom of the connecting rod (701) is fixedly connected with a filter (702), the periphery of one side of the filter (702) is fixedly connected with a cleaning ring (703), and the cleaning ring (703) is attached to the lens (4).

3. The multi-angle projection apparatus according to claim 1, wherein: one side of the inner wall of the second cavity (712) is fixedly connected with a telescopic rod (711), and one end of the telescopic rod (711) is fixedly connected with one end of a transmission rack (709).

4. A multi-angle projection apparatus as claimed in claim 3, wherein: the outer surface of the telescopic rod (711) is sleeved with a spring (710), and two ends of the spring (710) are fixedly connected with one end of the transmission rack (709) and one side of the inner wall of the second cavity (712) respectively.

5. The multi-angle projection apparatus of claim 1, wherein: spacing subassembly (2) are including spacing dish (206), first cavity (207) have been seted up to pillar (3) inside, first connecting axle (8) one end extends to first cavity (207), first connecting axle (8) and spacing dish (206) joint each other, a plurality of draw-in grooves (205) have been seted up to spacing dish (206) surface, the joint has fixture block (204) in draw-in groove (205), fixture block (204) top fixedly connected with lead screw seat (203), lead screw seat (203) top threaded connection has adjustment lead screw (202).

6. The multi-angle projection apparatus of claim 5, wherein: the top of the adjusting screw rod (202) is fixedly connected with a rotating shaft, and one end of the rotating shaft extends to the outer side of the support column (3) and is fixedly connected with a knob (201).

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