CN209743958U - Outdoor projection device for propagandizing traditional culture - Google Patents

Abstract

The utility model discloses an outdoor projection device for propagating traditional culture, a lifting component is arranged at the top end of a base, a support frame is arranged in a chute, a counter-pull screw rod penetrates through the middle part of a connecting rod, a guide rod is arranged in the guide tube, a light shield is sleeved at the top end of a protective box, a projector shell is arranged in the protective box, an adjusting component is arranged in the protective box, a slide rail is arranged in the protective box near the chute, and a thread sleeve is arranged in the adjusting groove, the utility model can drive the counter-pull screw rod to rotate by a hand wheel, change the height of the support frame, adjust the height of the protective box to reach accurate projection height so as to adapt to terrain, the light shield is sleeved at the top end of the protective box, and the light shield can freely move and is fixed by a positioning screw, plays a light shielding effect while playing a protection role, and, the stud pushes the projector shell, so that the projection angle of the projector is changed, and the projection effect is improved.

Description

An outdoor projection device for promoting traditional culture

technical field

The utility model relates to the technical field of projection devices, in particular to an outdoor projection device for propagating traditional culture.

Background technique

A projector is a device that can project images or videos onto a screen. It can be connected to computers, DVDs, game consoles, DVs, etc. through different interfaces to play corresponding video signals. It is widely used in homes, offices, schools and entertainment. Projectors also play an important role in outdoor publicity. In the process of promoting traditional culture, projectors are more and more widely used due to their convenience and speed.

However, most of the projection devices currently on the market are used indoors. When used outdoors, due to the high brightness of the outside world, there are many unexpected factors, which will cause great damage to the projector, and the outdoor terrain is complex and changeable, and the projection height and angle often change. It is extremely inconvenient when installing the projector.

Utility model content

The utility model provides an outdoor projection device for propagating traditional culture, which can effectively solve the problems in the above-mentioned background technology that when used outdoors, due to high external brightness and many accidental factors, the projector is greatly damaged, and The outdoor terrain is relatively complex and changeable, and the projection height and angle often change, which is extremely inconvenient when installing the projector.

In order to achieve the above purpose, the utility model provides the following technical solutions: an outdoor projection device for promoting traditional culture, including a base, a lifting assembly is installed on the top of the base, and the lifting assembly includes a first chute, a support frame , supporting plate, connecting rod, pull screw, hand wheel, guide pipe and guide rod, two first chute are opened on both sides of the top surface of the base respectively, a support frame is installed inside the first chute, two The top ends of the two support frames are respectively hinged to the two ends of the supporting plate, connecting rods are arranged on both sides between the two support frames, and the middle part of the connecting rod is penetrated with a pull screw, and one end of the pull screw is installed with a A hand wheel, a guide tube runs through the top side of the base, and a guide rod is arranged inside the guide tube;

A protective box is installed on the top of the supporting plate, and a light shield is sleeved on the top of the protective box. Positioning screws are arranged on both sides of the light shield, and a projector shell is installed inside the protective box.

Preferably, a counterweight is provided inside the base, and universal wheels are uniformly installed on the bottom surface of the base.

Preferably, the top surface of the pallet is evenly provided with threaded holes.

Preferably, the bottom end of the support frame is inlaid with balls inside the first chute.

Preferably, an adjustment assembly is provided inside the protective box, and the adjustment assembly includes an adjustment plate, a second chute, a slide rail, an adjustment groove, a threaded sleeve and a stud, and the top side of the adjustment plate is connected to the projector housing One side of the bottom end is connected by a hinge, the two sides of the bottom end of the adjustment plate are provided with a second chute, the inside of the protective box is provided with a slide rail near the second chute, and the top surface of the adjustment plate is provided with an adjustment slot , the inside of the adjustment slot is provided with a threaded sleeve, the inside of the threaded sleeve is provided with a stud, and the top of the stud is connected to the bottom of the projector shell.

Preferably, a silicone pad is bonded to the middle of the top surface of the adjustment plate.

Preferably, a cross bar is welded at the top of the side of the threaded sleeve.

Compared with the prior art, the beneficial effect of the utility model is that the structure of the utility model is scientific and reasonable, and the use is safe and convenient:

1. It is equipped with a lifting component, which can drive the pull screw to rotate through the hand wheel, change the angle of the support frame, and then change the height of the support frame, adjust the height of the protective box, and make it reach an accurate projection height to adapt to the terrain.

2. There is a sunshade, which is sleeved on the top of the protective box, and the sunshade can move freely, and then fixed by positioning screws, which not only plays a protective role but also has a light-shielding effect.

3. It is equipped with an adjustment component. By turning the threaded sleeve, the stud pushes the projector shell, changes the projection angle of the projector, improves the projection effect, and improves the projection effect caused by the inclination of the ground. The projection device is easy to move, no need Easy to install and operate.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model.

In the attached picture:

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

Fig. 2 is a structural schematic diagram of the lifting assembly of the present invention;

Fig. 3 is a schematic diagram of the installation structure of the adjustment plate of the present invention;

Labels in the figure: 1, base;

2. Lifting assembly; 201, first chute; 202, support frame; 203, supporting plate; 204, connecting rod; 205, opposite pull screw; 206, hand wheel; 207, guiding tube;

3. Protective box; 4. Hood; 5. Positioning screw; 6. Projector shell;

7. Adjustment assembly; 701, adjustment plate; 702, second chute; 703, slide rail; 704, adjustment groove; 705, threaded sleeve; 706, stud.

Detailed ways

The preferred embodiments of the present utility model are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present utility model, and are not intended to limit the present utility model.

Embodiment: As shown in Figures 1-3, the utility model provides a technical solution, an outdoor projection device for promoting traditional culture, including a base 1, in order to maintain the stability of the device and facilitate the movement of the projection device, The inside of the base 1 is provided with a counterweight, the bottom surface of the base 1 is uniformly equipped with universal wheels, and the top of the base 1 is equipped with a lifting assembly 2, which includes a first chute 201, a support frame 202, a supporting plate 203, a connecting rod 204, Pull screw 205, handwheel 206, guide tube 207 and guide rod 208, two first chute 201 are respectively opened on both sides of the top surface of base 1, first chute 201 is equipped with support frame 202 inside, in order to facilitate support frame The bottom end of 202 slides inside the first chute 201, and the bottom end of the support frame 202 is located inside the first chute 201 and is inlaid with balls. And protective case 3, supporting plate 203 top surface is uniformly provided with threaded hole, both sides are all provided with connecting rod 204 between two support frames 202, connecting rod 204 middle part runs through to pull screw rod 205, pull screw rod 205 one end is installed with The handwheel 206 has a guide tube 207 running through the top side of the base 1 , and a guide rod 208 is arranged inside the guide tube 207 .

A protective box 3 is installed on the top of the supporting plate 203, and a light shield 4 is sleeved on the top of the protective box 3. Positioning screws 5 are arranged on both sides of the light shield 4, and a projector shell 6 is installed inside the protective box 3.

The inside of the protective box 3 is provided with an adjustment assembly 7. The adjustment assembly 7 includes an adjustment plate 701, a second chute 702, a slide rail 703, an adjustment groove 704, a threaded sleeve 705 and a stud 706. The top side of the adjustment plate 701 is connected to the projector. One side of the bottom of the casing 6 is connected by a hinge. In order to prevent the projector casing 6 from hitting the adjustment plate 701 when it is lowered, a silicone backing plate is bonded to the middle of the top surface of the adjustment plate 701, and a second chute is provided on both sides of the bottom of the adjustment plate 701. 702, the inside of the protection box 3 is provided with a slide rail 703 close to the second chute 702, the top surface of the adjustment plate 701 is provided with an adjustment groove 704, and the inside of the adjustment groove 704 is provided with a threaded sleeve 705. In order to facilitate the rotation of the threaded sleeve 705, the thread A cross bar is welded on the top of the side of the sleeve 705 , and a stud 706 is arranged inside the threaded sleeve 705 , and the top of the stud 706 is connected to the bottom of the projector housing 6 .

The working principle and usage process of the utility model: the utility model is an outdoor projection device used to promote traditional culture, move the projection device to a suitable position, turn the hand wheel 206, and the hand wheel 206 drives the pull screw 205 to rotate , because the helical directions on both sides of the pull screw 205 are opposite, the connecting rod 204 will be pushed to move, the bottom end of the support frame 202 will move in the first chute 201, the included angle of the support frame 202 will change, and then the height of the support frame 202 will be changed. Adjust the height of the protective box 3 on the top surface of the supporting plate 203, the guide rod 208 is inside the guide tube 207, keep the supporting plate 203 in a horizontal state, and make it reach an accurate projection height, so as to adapt to the terrain, and the shading cover 4 is sleeved on the protective box 3 At the top, the shading cover 4 can move freely, and then fixed by the set screw 5, which not only plays a protective role but also plays a shading effect. The adjustment plate 701 can slide on the top surface of the slide rail 703 through the second chute 702, and the screw thread The casing 705 and the stud 706 push the projector housing 6 to tilt, change the projection angle of the projector housing 6, improve the projection effect, and improve the projection effect deterioration caused by the slope of the ground. The projection device is easy to move, no installation is required, and the operation is convenient .

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. any such actual relationship or order exists 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.

Finally, it should be noted that: the above is only a preferred example of the utility model, and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides an outdoor projection arrangement for propaganda traditional culture, includes base (1), its characterized in that: the lifting assembly (2) is installed at the top end of the base (1), the lifting assembly (2) comprises first sliding grooves (201), a supporting frame (202), a supporting plate (203), a connecting rod (204), a counter-pull screw rod (205), a hand wheel (206), a guide pipe (207) and a guide rod (208), the two first sliding grooves (201) are respectively arranged on two sides of the top surface of the base (1), the first sliding chute (201) is internally provided with supporting frames (202), the top ends of the two supporting frames (202) are respectively hinged with the two ends of a supporting plate (203), a connecting rod (204) is arranged at both sides between the two supporting frames (202), a counter-pulling screw rod (205) penetrates through the middle of the connecting rod (204), a hand wheel (206) is installed at one end of the counter-pulling screw rod (205), a guide pipe (207) penetrates through one side of the top end of the base (1), and a guide rod (208) is arranged inside the guide pipe (207);

Protective housing (3) are installed on layer board (203) top, protective housing (3) top has cup jointed lens hood (4), lens hood (4) both sides all are provided with set screw (5), protective housing (3) internally mounted has projector shell (6).

2. the outdoor projection device for advertising the traditional culture according to claim 1, wherein a balancing weight is arranged inside the base (1), and universal wheels are uniformly arranged on the bottom surface of the base (1).

3. the outdoor projection device for advertising the traditional culture according to claim 1, wherein the top surface of the supporting plate (203) is uniformly provided with threaded holes.

4. The outdoor projection device for promoting the traditional culture as claimed in claim 1, wherein the bottom end of the support frame (202) is embedded with a ball inside the first sliding groove (201).

5. The outdoor projection device for advertising traditional culture according to claim 1, wherein an adjusting component (7) is arranged inside the protective box (3), the adjusting component (7) comprises an adjusting plate (701), a second sliding groove (702), sliding rails (703), an adjusting groove (704), a threaded sleeve (705) and studs (706), one side of the top end of the adjusting plate (701) is connected with one side of the bottom end of the projector housing (6) through a hinge, the second sliding grooves (702) are respectively formed in both sides of the bottom end of the adjusting plate (701), the sliding rails (703) are arranged inside the protective box (3) and close to the second sliding groove (702), the adjusting groove (704) is formed in the top surface of the adjusting plate (701), the threaded sleeve (705) is arranged inside the adjusting groove (704), and the studs (706) are arranged inside the threaded sleeve (705), the top end of the stud (706) is connected with the bottom end of the projector shell (6).

6. The outdoor projection device for promoting the traditional culture as claimed in claim 5, wherein a silica gel pad is adhered to the middle of the top surface of the adjusting plate (701).

7. The outdoor projection device for promoting the traditional culture as claimed in claim 5, wherein a cross bar is welded on the top of the side surface of the threaded sleeve (705).