CN209819103U - Multi-angle outdoor projection device - Google Patents

Abstract

The utility model discloses a multi-angle outdoor projection device, which comprises a projection device body, a probe is fixedly installed on one side of the front surface of the projection device body, and a probe is fixedly connected to both sides of the bottom of the projection device body. An arc-shaped slide bar, the bottom of the projection device body is provided with a support plate, and the top of the support plate is provided with an arc-shaped groove on both sides, and the inside of the support plate corresponds to both sides of the arc-shaped groove. In the chute, the bottom of the arc-shaped slide bar passes through the support plate and extends to the inside of the arc-shaped slot, and the bottom end of the arc-shaped slide bar is in contact with the inner wall of the arc-shaped slot. The multi-angle outdoor projection device, through the support plate, the chute, the first gear, the second gear, the rotating rod, the extension rod, the semicircle block, the semicircle slot, the arc slot and the arc block When used together, the outdoor projection device has the feature of multi-angle adjustment, which is convenient for users and meets the needs of existing users.

Description

A multi-angle outdoor projection device

technical field

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

Background technique

The projection device is a projection optical device that provides a large-size picture. On the basis of the direct slide projector, a reflector is added to change the optical path, so that the image of the projection film flat on the object glass is projected onto the screen. Because of its large condenser lens (usually a Fresnel lens), it can be used to project various large-scale projection single or reel films made in advance or written on the spot, as well as projection teaching aids made of transparent materials. Projection devices are also widely used outdoors.

Most of the traditional outdoor projection devices do not have the function of multi-angle adjustment, which makes it inconvenient for users to adjust the angle of the projection device, and does not meet the needs of existing users. Therefore, we propose a multi-angle outdoor projection device.

Utility model content

The purpose of this utility model is to provide a multi-angle outdoor projection device to solve the above-mentioned background technology that most of the traditional outdoor projection devices do not have the function of multi-angle adjustment, which makes it inconvenient for users to adjust the angle of the projection device. Problems that do not meet the needs of existing users.

In order to achieve the above purpose, the utility model provides the following technical solutions: a multi-angle outdoor projection device, including a projection device body, a probe is fixedly installed on one side of the front surface of the projection device body, and a probe is fixed on the bottom of the projection device body. The positions on both sides are fixedly connected with arc-shaped slide bars, the bottom of the projection device body is provided with a support plate, and the positions on both sides of the top of the support plate are provided with arc-shaped grooves, and the inside of the support plate corresponds to the arc. Both sides of the arc-shaped groove are provided with a chute, the bottom of the arc-shaped slide bar runs through the support plate and extends to the inside of the arc-shaped groove, and the bottom end of the arc-shaped slide bar contacts the inner wall of the arc-shaped groove;

A semicircular clamping block is fixedly installed near the center of the bottom of the support plate, and a cavity is provided inside the semicircular clamping block, and a second A bearing, the second bearing is fixedly installed near the top position on the other side of the semicircular block, and the third bearing is fixedly installed near the center of the inner top of the semicircular block. A rotating rod is provided near the top of one side of the block, and the side of the rotating rod close to the semicircular block runs through the semicircular block and the second bearing in turn and is movably connected with the first bearing. The surface of the rotating rod A first gear is fixedly installed on one side of the first gear, and the top of one side of the first gear is meshed with a second gear, and the top of the second gear is fixedly connected with a support rod, and the top of the support rod passes through the third The bearing and the support plate extend to the outside of the support plate, and the top of the support rod is fixedly connected with the bottom of the projection device body;

The bottom of the semicircular block is provided with a base, the top of the base is provided with a semicircular slot near the center, and the inside of the base is provided with an arc-shaped slot corresponding to the bottom of the semicircular slot. The inner wall of the arc-shaped card slot is fixedly equipped with a non-slip pad, the bottom of the semicircular card block penetrates to the inside of the semicircular card slot and contacts the inner wall of the semicircular card slot, and the bottom of the semicircular card block The surface is fixedly installed with arc-shaped clamping blocks.

Preferably, the side of the rotating rod away from the semicircular block is fixedly connected with an extension rod, and the side of the extension rod far away from the rotating rod is fixedly connected with a rocker arm.

Preferably, a handle is fixedly connected to the side of the rocker arm away from the extension rod, and the surface of the handle is provided with anti-skid lines.

Preferably, the four corners of the bottom of the base are fixedly connected with connection blocks, and the bottom of the connection blocks are fixedly connected with fixed pads.

Preferably, an arc-shaped block is fixedly installed on the surface of the bottom of the semicircular block, and the bottom of the arc-shaped block penetrates into the arc-shaped groove and contacts the inner wall of the anti-skid pad.

Preferably, sliders are fixedly installed at the bottom positions on both sides of the arc-shaped slide bar, and the side of the slider away from the arc-shaped slide bar penetrates to the inside of the chute and contacts the inner wall of the chute.

Compared with the prior art, the beneficial effects of the utility model are:

The multi-angle outdoor projection device, through the support plate, the chute, the first gear, the second gear, the rotating rod, the extension rod, the semicircle block, the semicircle slot, the arc slot and the arc block When used together, the outdoor projection device has the feature of multi-angle adjustment, which is convenient for users and meets the needs of existing users.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the partially enlarged schematic diagram of A in Fig. 1 of the utility model;

Fig. 3 is the partially enlarged schematic diagram of B in Fig. 1 of the utility model;

Fig. 4 is a side view sectional view of the structure base of the utility model;

Fig. 5 is a partially enlarged schematic diagram of C in Fig. 4 of the present invention.

In the figure: 1. Projection device body; 2. Probe; 3. Curved slider; 4. Support plate; 5. Curved groove; 6. Chute; 7. Slider; 8. Semicircular block; , the first bearing; 10, the second bearing; 11, the third bearing; 12, the rotating rod; 13, the first gear; 14, the second gear; 15, the support rod; 16, the extension rod; 17, the rocker arm; 18 19. Arc block; 20. Base; 21. Semicircular slot; 22. Arc slot; 23. Anti-skid pad; 24. Connecting block; 25. Fixed pad.

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 making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-5, the utility model provides a technical solution: a multi-angle outdoor projection device, including a projection device body 1, a probe 2 is fixedly installed on one side of the front surface of the projection device body 1, and the projection device body 1. Both sides of the bottom are fixedly connected with arc-shaped slide bars 3. The bottom of the projection device body 1 is provided with a support plate 4. Both sides of the top of the support plate 4 are provided with arc-shaped grooves 5. The support plate 4 Both sides of the interior corresponding to the arc-shaped groove 5 are provided with chute 6, the bottom of the arc-shaped slide bar 3 runs through the support plate 4 and extends to the inside of the arc-shaped groove 5, the bottom end of the arc-shaped slide bar 3 and the arc-shaped groove 5 Contact with the inner wall of the projection device body 1 through the setting of the arc-shaped slide bar 3 and the arc-shaped groove 5 can make the projection device body 1 more stable and not shake when adjusting the left and right angles.

A semicircular clamping block 8 is fixedly installed near the center of the bottom of the support plate 4, and a cavity is provided inside the semicircular clamping block 8, and a first bearing is fixedly installed at the top position of the inner side of the semicircular clamping block 8 9. A second bearing 10 is fixedly installed at the top position on the other side of the semicircular block 8, and a third bearing 11 is fixedly installed at the center position at the top of the semicircular block 8. The semicircular block 8 One side is provided with a rotating rod 12 near the top position, and the side of the rotating rod 12 close to the semicircular block 8 runs through the semicircular block 8 and the second bearing 10 in turn and is movably connected with the first bearing 9. The rotating rod 12 The first gear 13 is fixedly installed on one side of the surface, and the top of the first gear 13 is engaged with the second gear 14. The top of the second gear 14 is fixedly connected with a support rod 15, and the top of the support rod 15 runs through the first gear in turn. The three bearings 11 and the support plate 4 extend to the outside of the support plate 4 , and the top of the support rod 15 is fixedly connected to the bottom of the projection device body 1 .

The bottom of the semicircular block 8 is provided with a base 20, and the center position of the top of the base 20 is provided with a semicircular draw-in groove 21, and the inside of the base 20 is provided with an arc-shaped draw-in groove 22 corresponding to the bottom of the semicircular draw-in groove 21. The inner wall of the arc-shaped slot 22 is fixedly provided with an anti-skid pad 23, and the bottom of the semicircle block 8 penetrates to the inside of the semi-circle slot 21 and is in contact with the inner wall of the semi-circle slot 21. The semi-circle block 8 The surface of the bottom is fixedly equipped with an arc-shaped clamping block 19 .

In the utility model: the side of the rotating rod 12 away from the semicircular block 8 is fixedly connected with an extension rod 16, and the side of the extension rod 16 away from the rotating rod 12 is fixedly connected with a rocker arm 17, and the rocker arm 17 can be convenient for the user operate.

In the utility model: the rocking arm 17 is fixedly connected with a rocking handle 18 away from the side of the extension rod 16, and the surface of the rocking handle 18 is provided with anti-slip lines, which can play the role of anti-slip.

In the utility model: the four corners of the bottom of the base 20 are fixedly connected with a connecting block 24, and the bottom of the connecting block 24 is fixedly connected with a fixed pad 25, and the fixed pad 25 can play a fixed role.

In the utility model: an arc-shaped block 19 is fixedly installed on the surface of the bottom of the semicircular block 8, and the bottom of the arc-shaped block 19 penetrates to the inside of the arc-shaped groove 22 and contacts the inner wall of the anti-skid pad 23; The setting of the shaped block 19 and the arc-shaped slot 22 can facilitate the user to adjust the angle of the projection device.

In the utility model: the bottom position on both sides of the arc-shaped slide bar 3 is fixedly equipped with a slide block 7, and the side of the slide block 7 away from the arc-shaped slide bar 3 penetrates to the inside of the chute 6 and is in contact with the inner wall of the chute 6. Contact; through the cooperative use of the slider 7 and the chute 6, the projection device can be made more stable when adjusting the angle.

Working principle: When the user needs to adjust the angle of the outdoor projection device, first of all, the front or rear end of the outdoor projection device can be gently pressed down, so that the semicircular clamping block 8 will be in the semicircular clamping position. The inner movement of the slot 21, when the semicircular block 8 moves, the arc block 19 will move to another arc slot 22, thereby adjusting the front and rear angles of the projection device, and at the same time, the user can The crank 18 drives the rocker arm 17 to rotate the extension rod 16. When the extension rod 16 rotates, the rotating rod 12 drives the first gear 13 to rotate the second gear 14. When the second gear 14 rotates, through the support rod 15, The angle of the projection device body 1 can be adjusted left and right, which is convenient for users to use.

To sum up: the multi-angle outdoor projection device, through the support plate 4, the chute 6, the first gear 13, the second gear 14, the rotating rod 12, the extension rod 16, the semicircle block 8, the semicircle card The combined use of the slot 21, the arc-shaped slot 22 and the arc-shaped block 19 enables the outdoor projection device to have the characteristics of multi-angle adjustment, which is convenient for users to use and meets the needs of existing users.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides an outdoor projection arrangement of multi-angle, includes projection arrangement body (1), its characterized in that: the projection device comprises a projection device body (1), wherein a probe (2) is fixedly mounted on the front surface of the projection device body (1) close to one side, arc-shaped sliding rods (3) are fixedly connected to the bottom of the projection device body (1) close to two sides, a supporting plate (4) is arranged at the bottom of the projection device body (1), arc-shaped grooves (5) are formed in the top of the supporting plate (4) close to two sides, sliding grooves (6) are formed in the supporting plate (4) corresponding to two sides of the arc-shaped grooves (5), the bottom of each arc-shaped sliding rod (3) penetrates through the supporting plate (4) and extends into the arc-shaped groove (5), and the bottom end of each arc-shaped sliding rod (3) is in contact with the;

a semicircular clamping block (8) is fixedly arranged at the bottom of the supporting plate (4) close to the central position, a cavity is formed in the semicircular clamping block (8), a first bearing (9) is fixedly arranged at the position close to the top of one side in the semicircular clamping block (8), a second bearing (10) is fixedly arranged at the position close to the top of the other side in the semicircular clamping block (8), a third bearing (11) is fixedly arranged at the position close to the central position of the inner top of the semicircular clamping block (8), a rotating rod (12) is arranged at the position close to the top of one side of the semicircular clamping block (8), one side of the rotating rod (12) close to the semicircular clamping block (8) sequentially penetrates through the semicircular clamping block (8) and the second bearing (10) and is movably connected with the first bearing (9), a first gear (13) is fixedly arranged at the position close to one side of the surface of the rotating rod (12), and a second gear (14) is meshed with, the top of the second gear (14) is fixedly connected with a support rod (15), the top of the support rod (15) sequentially penetrates through the third bearing (11) and the support plate (4) and extends to the outside of the support plate (4), and the top end of the support rod (15) is fixedly connected with the bottom of the projection device body (1);

the bottom of semicircular clamping block (8) is provided with base (20), semicircular clamping groove (21) have been seted up to the central point that leans on at base (20) top, arc draw-in groove (22) have been seted up to the inside bottom that corresponds semicircular clamping groove (21) of base (20), the inner wall fixed mounting of arc draw-in groove (22) has slipmat (23), the bottom of semicircular clamping block (8) run through to the inside of semicircular clamping groove (21) and with the inner wall contact of semicircular clamping groove (21), the fixed surface of semicircular clamping block (8) bottom installs arc clamping block (19).

2. The multi-angle outdoor projection apparatus of claim 1, wherein: an extension rod (16) is fixedly connected to one side, away from the semicircular fixture block (8), of the rotating rod (12), and a rocker arm (17) is fixedly connected to one side, away from the rotating rod (12), of the extension rod (16).

3. The multi-angle outdoor projection apparatus of claim 2, wherein: one side of the rocker arm (17) far away from the extension rod (16) is fixedly connected with a crank handle (18), and anti-skid grains are arranged on the surface of the crank handle (18).

4. The multi-angle outdoor projection apparatus of claim 1, wherein: the base is characterized in that the positions close to four corners of the bottom of the base (20) are fixedly connected with connecting blocks (24), and the bottom of each connecting block (24) is fixedly connected with a fixing pad (25).

5. The multi-angle outdoor projection apparatus of claim 1, wherein: the surface of the bottom of the semicircular clamping block (8) is fixedly provided with an arc-shaped clamping block (19), and the bottom of the arc-shaped clamping block (19) penetrates through the inside of the arc-shaped clamping groove (22) and is in contact with the inner wall of the anti-slip pad (23).

6. The multi-angle outdoor projection apparatus of claim 1, wherein: the arc slide bar (3) both sides lean on the equal fixed mounting in bottom position have slider (7), slider (7) are kept away from one side of arc slide bar (3) and are run through to the inside of spout (6) and contact with the inner wall of spout (6).