Projection device for visual communication design

Abstract

The utility model relates to the technical field of visual communication, and discloses a projection device for visual communication design, which comprises a base, the top of the base is fixedly connected with a stand column, the top end of the stand column is fixedly connected with a projector, the bottom of the base is fixedly connected with universal wheels, the bottom of the base is provided with a positioning mechanism, and the positioning mechanism is fixedly connected with the projector. A protection mechanism is arranged on the outer wall of the projector, the positioning mechanism comprises a supporting assembly, the supporting assembly comprises a supporting frame, the supporting frame penetrates through and is slidably connected to the inner wall of the base, and the bottom end of the supporting frame is fixedly connected with a supporting plate used for supporting the base. According to the utility model, through the cooperation of the supporting assembly and the limiting assembly, the base can be jacked up and fixed in a foot stepping mode, and compared with a traditional mode of manually driving a threaded rod, not only is more labor-saving in use and more convenient to operate, but also the use efficiency of the device can be improved.

Description

Technical Field

[0001] This utility model relates to the field of visual communication technology, and in particular to a projection device for visual communication design. Background Technology

[0002] Visual communication is the proactive act of conveying specific information through visual means. It relies heavily or partially on vision and is expressed through two-dimensional images such as logos, typography, paintings, graphic design, illustrations, color, and electronic devices. Ordinary visual communication often uses projectors.

[0003] A search revealed Chinese Patent Publication No. CN222651017U, which discloses a projection device for visual communication design. This utility model comprises a movable base, a fixed plate, a second threaded rod, a stabilizing plate, a first threaded rod, a turntable, a movable block, a movable rod, and a clamping plate. The stabilizing plate ensures the stability of the movable base during use, while the clamping plate provides stable clamping for projection devices of different sizes. This avoids inconvenience caused by difficulty in stabilizing projection devices of different sizes, thus improving the stability and safety of the projection device during use.

[0004] The aforementioned patent uses a threaded rod drive in conjunction with a stabilizing plate to lift the base. While this can stabilize the base, manually rotating the threaded rod requires a large torque, and frequent adjustments are particularly laborious. Furthermore, visual communication design requires projection displays in different spaces and locations, necessitating frequent movement and re-fixing of the projection device. The fixing method used in the aforementioned patent is rather cumbersome, affecting the efficiency of the projection device. Therefore, a projection device for visual communication design is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a projection device for visual communication design, which aims to improve the problem mentioned in the prior art that "the positioning mechanism of the projection device is too cumbersome to operate, affecting the efficiency of the projection device".

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a projection device for visual communication design, comprising a base, a column fixedly connected to the top of the base, a projector fixedly connected to the top of the column, casters fixedly connected to the bottom of the base, a positioning mechanism provided at the bottom of the base, and a protective mechanism provided on the outer wall of the projector.

[0007] The positioning mechanism includes a support component. The support component includes a support frame which penetrates and is slidably connected to the inner wall of the base. A support plate for supporting the base is fixedly connected to the bottom end of the support frame. A support rod is fixedly connected to the top of the support frame. A pedal is hinged to the top end of the support rod. A hollow rod is fixedly connected to one end of the pedal close to the column. A cross bar is fixedly connected to the inner wall of the column. A return spring is fixedly connected to the top of the support frame.

[0008] As a further description of the above technical solution:

[0009] The positioning mechanism further includes a limiting component. The limiting component includes a handle for limiting the support frame. The handle penetrates and is slidably connected to the inner wall of the column. The handle has a "C" - shaped structure.

[0010] As a further description of the above technical solution:

[0011] A limiting spring is fixedly connected to one side of the handle close to the column. The end of the limiting spring far from the handle is fixedly connected to the outer wall of the column.

[0012] As a further description of the above technical solution:

[0013] The protection mechanism includes a connecting rod. One end of the connecting rod is fixedly connected to the top of the support frame. The other end of the connecting rod is fixedly connected to a protective cover.

[0014] As a further description of the above technical solution:

[0015] The protective cover is slidably connected to the outer wall of the column. The top of the protective cover has an open - shaped structure.

[0016] As a further description of the above technical solution:

[0017] The hollow rod has a hollow rod - shaped structure. The outer wall of the cross bar fits against the inner wall of the hollow rod.

[0018] As a further description of the above technical solution:

[0019] The end of the return spring far from the support frame is fixedly connected to the inner wall of the column.

[0020] As a further description of the above technical solution:

[0021] The support plate has a "cross" - shaped structure and is located at the bottom of the base.

[0022] The utility model has the following beneficial effects:

[0023] 1. In this utility model, by cooperating with the support component and the limiting component, the base can be lifted and fixed by stepping on it. Compared with the traditional manual drive threaded rod method, it is not only more labor-saving to use, but also more convenient to operate, which helps to improve the efficiency of the device.

[0024] 2. In this utility model, the protective mechanism can cover the projector when the device is moved, thereby effectively protecting the projector and preventing damage to its internal electronic components caused by collisions during movement. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the present invention in a fixed state;

[0026] Figure 2 This is a schematic diagram of the structure of the present invention in a moving state;

[0027] Figure 3 This is a schematic diagram of the overall structure of the support frame of this utility model;

[0028] Figure 4 This utility model Figure 1 A magnified structural diagram at point A.

[0029] Legend:

[0030] 1. Base; 2. Column; 3. Projector; 4. Casters; 5. Support assembly; 51. Support frame; 52. Support plate; 53. Support rod; 54. Pedal; 55. Hollow rod; 56. Crossbar; 57. Return spring; 6. Limiting assembly; 61. Handle; 62. Limiting spring; 7. Protective mechanism; 71. Connecting rod; 72. Protective cover. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figures 1-3, an embodiment provided by the present utility model: a projection device for visual communication design, including a base 1, a column 2 is fixedly connected to the top of the base 1, a projector 3 is fixedly connected to the top of the column 2, a universal wheel 4 is fixedly connected to the bottom of the base 1. The base 1 can be moved through the universal wheel 4 so as to move the projector 3 to different spaces and venues for projection. A positioning mechanism is provided at the bottom of the base 1, and a protection mechanism 7 is provided on the outer wall of the projector 3.

[0033] Referring to Figures 2-4 , the positioning mechanism includes a support component 5. The support component 5 includes a support frame 51. The support frame 51 penetrates and is slidably connected to the inner wall of the base 1. A support plate 52 for supporting the base 1 is fixedly connected to the bottom end of the support frame 51. The base 1 can be lifted through the cooperation of the support frame 51 and the support plate 52, so that the universal wheel 4 at the bottom is suspended, and thus the stability of the base 1 can be maintained. The shape of the support plate 52 is a "cross" structure. The support plate 52 is located at the bottom of the base 1. A support rod 53 is fixedly connected to the top of the support frame 51. Through the setting of the support rod 53, the pedal 54 and the hollow rod 55 can jack up the cross bar 56 in a lever manner. The top end of the support rod 53 is hinged with a pedal 54. By setting the pedal 54, the base 1 can be jacked up by stepping on it, which is more labor-saving than manual operation. A hollow rod 55 is fixedly connected to one end of the pedal 54 close to the column 2. The hollow rod 55 is a rod-shaped structure in a hollow state. A cross bar 56 is fixedly connected to the inner wall of the column 2. The outer wall of the cross bar 56 is fitted to the inner wall of the hollow rod 55. By jacking up the cross bar 56 by the hollow rod 55, the column 2 can be moved upward. A return spring 57 is fixedly connected to the top of the support frame 51. The end of the return spring 57 away from the support frame 51 is fixedly connected to the inner wall of the column 2. Through the return spring 57, the support frame 51 can be pulled upward to make the support frame 滑动复位在底座1的内壁向上滑动复位。

[0034] Referring to Figures 2-4 , the positioning mechanism further includes a limiting component 6. The limiting component includes a handle 61 for limiting the support frame 51. The handle 61 penetrates and is slidably connected to the inner wall of the column 2. The handle 61 has a "C" - shaped structure. When the lower surface of the handle 61 is fitted to the upper surface of the support frame 51, the support frame 51 and the column 2 can be limited by using the handle 61. A limiting spring 62 is fixedly connected to one side of the handle 61 close to the column 2. The end of the limiting spring 62 away from the handle 61 is fixedly connected to the outer wall of the column 2. Through the elasticity of the limiting spring 62, the handle 61 can be driven to slide and reset in the inner wall of the column 2.

[0035] Referring to Figures 1-3The protective mechanism 7 includes a connecting rod 71. One end of the connecting rod 71 is fixedly connected to the top of the support frame 51, and the other end of the connecting rod 71 is fixedly connected to a protective cover 72. The protective cover 72 can move synchronously with the support frame 51 through the connection of the connecting rod 71. The protective cover 72 is slidably connected to the outer wall of the column 2. The top of the protective cover 72 is an open structure. The protective cover 72 can cover the projector 3 to prevent the projector 3 from being hit during the movement.

[0036] Working principle: During use, the base 1 can be moved using the casters 4 to move the projector 3 to different spaces and locations for projection. Once moved to a suitable location, first pull the handle 61 to slide it along the inner wall of the column 2 and stretch the limiting spring 62. This keeps the handle 61 offset from the support frame 51. Then, step down on the pedal 54. Under the weight of the column 2 and with the limiting action of the crossbar 56 and hollow bar 55, the pedal 54 rotates downwards at the top of the support rod 53. As the pedal 54 rotates downwards, it pushes the support rod 53 downwards, causing the support rod 53 to push the support frame 51 downwards. The support frame 51 then slides downwards along the inner wall of the base 1 and stretches the return spring 57. Simultaneously, the downward sliding of the support frame 51 moves the support plate 52 downwards, allowing it to rest against the ground. After the 2nd pedal is in contact with the ground, continue pressing down on the pedal 54. Since the support plate 52 is in contact with the ground, it remains stationary, thus keeping the support frame 51 and support rod 53 stationary. If a downward force is applied to the pedal 54, it will rotate downwards at the top of the support rod 53. Simultaneously, the pedal 54 will cause the hollow rod 55 to swing upwards. As the hollow rod 55 swings upwards, it will push the crossbar 56 upwards, causing the crossbar 56 to push the column 2 upwards. The column 2 will then cause the support plate 52 to move upwards, allowing the support plate 52 to lift the caster 4 off the ground. At this point, the handle 61 can be released, allowing the limit spring 62 to slide the handle 61 back to its original position. The handle 61 can then slide above the support frame 51. The pedal 54 can then be released, allowing the upper surface of the support frame 51 to contact the lower surface of the handle 61 (e.g., ...). Figure 1 As shown), the handle 61 can limit the column 2, thereby keeping the caster 4 at the bottom of the base 1 suspended. Under the support of the support plate 52, the base 1 can be kept stable, so that the projector 3 can be kept stable during use.

[0037] When it is necessary to move the base 1, pull the handle 61 to slide it on the inner wall of the column 2 and stretch the limiting spring 62. This will allow the handle 61 to disengage from the upper surface of the support frame 51. At this time, the handle 61 will release its restriction on the column 2 and move downward to reset under its own weight. At the same time, the handle 61 will release its restriction on the support frame 51. Then, the reset spring 57 will pull the support frame 51 upward, allowing it to slide upward to reset on the inner wall of the base 1. This will allow the support plate 52 at the bottom of the support frame 51 to lift off the ground, and the casters 4 at the bottom of the base 1 to contact the ground again. At this time, the casters 4 can be used to move the base 1.

[0038] When the reset spring 57 pulls the support frame 51 upward to slide and reset on the inner wall of the base 1, the support frame 51 will drive the connecting rod 71 to move upward synchronously. At the same time, the connecting rod 71 will drive the protective cover 72 to move upward synchronously. The upward movement of the protective cover 72 can cover the projector 3, preventing the projector 3 from being impacted when the base 1 moves, thereby protecting the projector 3.

[0039] When the support frame 51 slides downward on the inner wall of the base 1, the support frame 51 will drive the connecting rod 71 to move downward in sync. At this time, the connecting rod 71 will drive the protective cover 72 to move downward in sync. By moving the protective cover 72 downward, the projector 3 inside can be gradually exposed to the outside so that the projector 3 can project.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A projection device for visual communication design, comprising a base (1), characterized in that: A column (2) is fixedly connected to the top of the base (1), a projector (3) is fixedly connected to the top end of the column (2), universal wheels (4) are fixedly connected to the bottom of the base (1), a positioning mechanism is arranged at the bottom of the base (1), and a protection mechanism (7) is arranged on the outer wall of the projector (3); The positioning mechanism includes a support assembly (5), the support assembly (5) includes a support frame (51), the support frame (51) penetrates and is slidably connected to the inner wall of the base (1), a support plate (52) for supporting the base (1) is fixedly connected to the bottom end of the support frame (51), a support rod (53) is fixedly connected to the top of the support frame (51), a pedal (54) is hinged to the top end of the support rod (53), a hollow rod (55) is fixedly connected to one end of the pedal (54) close to the column (2), a cross bar (56) is fixedly connected to the inner wall of the column (2), and a return spring (57) is fixedly connected to the top of the support frame (51).

2. The projection device for visual communication design according to claim 1, characterized in that: The positioning mechanism further includes a limiting assembly (6), the limiting assembly (6) includes a handle (61) for limiting the support frame (51), the handle (61) penetrates and is slidably connected to the inner wall of the column (2), and the handle (61) is in a "C" - shaped structure.

3. The projection device for visual communication design according to claim 2, characterized in that: A limiting spring (62) is fixedly connected to one side of the handle (61) close to the column (2), and the end of the limiting spring (62) far from the handle (61) is fixedly connected to the outer wall of the column (2).

4. A projection device for visual communication design according to claim 1, characterized in that: The protection mechanism (7) includes a connecting rod (71), one end of the connecting rod (71) is fixedly connected to the top of the support frame (51), and the other end of the connecting rod (71) is fixedly connected to a protective cover (72).

5. A projection device for visual communication design according to claim 4, characterized in that: The protective cover (72) is slidably connected to the outer wall of the column (2), and the top of the protective cover (72) is in an open - shaped structure.

6. A projection device for visual communication design according to claim 1, characterized in that: The hollow rod (55) is a rod - shaped structure in a hollow state, and the outer wall of the cross bar (56) is fitted to the inner wall of the hollow rod (55).

7. A projection device for visual communication design according to claim 1, characterized in that: The end of the return spring (57) far from the support frame (51) is fixedly connected to the inner wall of the column (2).

8. A projection device for visual communication design according to claim 1, characterized in that: The shape of the support plate (52) is a "cross" - shaped structure, and the support plate (52) is located at the bottom of the base (1).

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