Projection device for visual communication design

Abstract

The utility model discloses a projection device for visual communication design, which belongs to the technical field of visual communication design and comprises a movable base, an adjusting cylinder is fixedly connected to the top of the movable base, an adjusting rod is slidably connected into the adjusting cylinder, and a connecting frame is fixedly connected to the top of the adjusting rod. The top of the connecting frame is hinged to a placement table, and a clamping groove is formed in the placement table, so that the effect of driving the adjusting rod to adjust different heights through rotation of the rotating gear can be achieved through the arrangement of the adjusting cylinder, the adjusting rod, the servo motor, the rotating gear, the connecting frame, the rotating frame, the positioning rod, the spring and the placement table; meanwhile, the effect of adjusting the placement table at different angles is achieved through arrangement of a positioning rod, the situation that inconvenience exists in the use process due to the fact that angle adjustment of the placement table is inconvenient is avoided, the effect of adjusting the projection device at different angles is achieved, and meanwhile the utilization rate of the projection device is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of visual communication design, and more specifically to a projection device for visual communication design. Background Art

[0002] Visual communication is the active behavior of communicating specific things in a visual form. Most or part of it relies on vision and is expressed in two-dimensional images such as logos, typography, paintings, graphic design, illustrations, colors, and electronic devices. Ordinary visual communication is mostly conveyed through projectors.

[0003] China Patent Authorization Announcement No.: CN208951604U, provides an indoor projection device for visual communication design. This patent connects the mounting plate to the projector body through a connecting block, so that the projector body is easy to install on the ceiling, and the threaded block is connected to the threaded rod, so that the projector body is connected to the bracket, so that the projector body is easy to place on the desktop and easy to separate from the bracket, so as to achieve the purpose of easy placement.

[0004] When the projection device for visual communication design is used, it is inconvenient to adjust the projection device to different angles, which causes inconvenience in the use of the projection device, thereby reducing the utilization rate of the projection device for visual communication design. Utility Model Content

[0005] 1. Technical problems to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a projection device for visual communication design, which can achieve the effect of adjusting the projection device at different angles, and at the same time is conducive to the stable clamping effect of projection devices of different sizes, thereby improving the utilization rate of the projection device.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A projection device for visual communication design, comprising a mobile base, an adjustment cylinder fixedly connected to the top of the mobile base, an adjustment rod slidably connected inside the adjustment cylinder, a connection frame fixedly connected to the top of the adjustment rod, a placement table hinged on the top of the connection frame, a clamping groove provided inside the placement table, a rotating frame fixedly connected to the bottom of the placement table, the rotating frame rotatably connected in the connection frame, and a projection device body arranged on the top of the placement table;

[0010] The side wall of the connection frame is slidably connected with a positioning mechanism, which includes a positioning rod. The positioning rod is slidably connected to the side wall of the connection frame. A spring is sleeved on the outer surface of the positioning rod. One end of the spring is connected to the side wall of the positioning rod, and the other end of the spring is connected to the side wall of the connection frame.

[0011] Furthermore, the side wall of the rotating frame is provided with a plurality of positioning holes of equal size and distributed in a circular array, and the positioning rods penetrate the connecting frame and extend into the positioning holes.

[0012] Furthermore, a rotating mechanism is connected to one side of the top of the adjusting cylinder, and the rotating mechanism includes a servo motor. The servo motor is connected to one side of the top of the adjusting cylinder, and an output end of the servo motor is connected to a rotating gear.

[0013] Furthermore, a rack is provided on the side wall of the adjusting rod, a limiting slide groove matched with the size of the rack is opened on the side wall of the adjusting cylinder, and the rotating gear passes through the limiting slide groove and meshes with the rack.

[0014] Furthermore, a clamping mechanism is rotatably arranged inside the clamping groove, and the clamping mechanism includes a first threaded rod, the first threaded rod is rotatably connected in the clamping groove, a turntable is fixedly connected to one end of the first threaded rod, moving blocks are threadedly connected to both ends of the outer surface of the first threaded rod, a moving rod is fixedly connected to the top of the moving block, and a clamping plate is fixedly connected to one side of the top of the moving rod.

[0015] Furthermore, both sides of the movable base are connected with a stabilizing mechanism, and the stabilizing mechanism includes a fixing plate, one side of the fixing plate is connected to the side wall of the movable base, the fixing plate is internally threadedly connected with a second threaded rod, and the bottom of the second threaded rod is rotatably connected with the stabilizing plate.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] (1) This solution provides an adjustment cylinder, an adjustment rod, a servo motor, a rotating gear, a connecting frame, a rotating frame, a positioning rod, a spring and a placement table. The rotation of the rotating gear drives the adjustment rod to achieve different height adjustments. The positioning rod is used to achieve different angle adjustments of the placement table. This avoids inconveniences caused by the inconvenience of adjusting the angle of the placement table. This is beneficial to achieving different angle adjustments of the projection device and improving the utilization rate of the projection device.

[0019] (2) This solution provides 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 is used to ensure the stability of the movable base during use. The clamping plate is used to stably clamp projection devices of different sizes. This avoids inconveniences during use caused by the inconvenience of stably clamping projection devices of different sizes. This is beneficial to improving the stability and safety of the projection device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a cross-sectional view of the three-dimensional structure in the utility model;

[0022] Figure 3 It is a structural schematic diagram of the clamping mechanism in the utility model;

[0023] Figure 4 For the utility model Figure 2 A magnified schematic diagram of the internal structure of part A in the middle.

[0024] Description of the numbers in the figure:

[0025] 1. Moving base; 2. Adjusting cylinder; 3. Adjusting rod; 4. Rotating mechanism; 41. Servo motor; 42. Rotating gear; 5. Connecting frame; 6. Placing table; 7. Clamping mechanism; 71. First threaded rod; 72. Turntable; 73. Moving block; 74. Moving rod; 75. Clamping plate; 8. Turntable; 9. Positioning mechanism; 91. Positioning rod; 92. Spring; 10. Projection device body; 11. Stabilizing mechanism; 111. Fixing plate; 112. Second threaded rod; 113. Stabilizing plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] Embodiment 1:

[0030] See also Figure 1-4 A projection device for visual communication design includes a mobile base 1, an adjustment cylinder 2 is fixedly connected to the top of the mobile base 1, an adjustment rod 3 is slidably connected inside the adjustment cylinder 2, a connection frame 5 is fixedly connected to the top of the adjustment rod 3, a placement table 6 is hinged on the top of the connection frame 5, a clamping groove is opened inside the placement table 6, a rotating frame 8 is fixedly connected to the bottom of the placement table 6, the rotating frame 8 is rotatably connected in the connection frame 5, and a projection device body 10 is arranged on the top of the placement table 6;

[0031] The side wall of the connecting frame 5 is slidably connected with a positioning mechanism 9, and the positioning mechanism 9 includes a positioning rod 91, and the positioning rod 91 is slidably connected to the side wall of the connecting frame 5. A spring 92 is sleeved on the outer surface of the positioning rod 91, one end of the spring 92 is connected to the side wall of the positioning rod 91, and the other end of the spring 92 is connected to the side wall of the connecting frame 5; when the projection device body 10 needs to be adjusted to different angles, the positioning rod 91 is pulled to drive the spring 92 to stretch, and then it is pulled out from the inside of the rotating frame 8, and then the placement table 6 is rotated to a suitable position, and the pull on the positioning rod 91 is released. The rebound of the spring 92 drives the positioning rod 91 to reset and snap into the inside of the rotating frame 8, thereby meeting the effect of adjusting the projection device body 10 at different angles.

[0032] The side wall of the rotating frame 8 is provided with a plurality of positioning holes of equal size and distributed in a circular array, and the positioning rod 91 passes through the connecting frame 5 and extends into the positioning holes; after the placement table 6 is rotated to a suitable position, the positioning rod 91 is used to achieve the effect of limiting the position.

[0033] See also Figure 1-2 A rotating mechanism 4 is connected to one side of the top of the adjusting cylinder 2, and the rotating mechanism 4 includes a servo motor 41. The servo motor 41 is connected to one side of the top of the adjusting cylinder 2, and a rotating gear 42 is connected to the output end of the servo motor 41; the operation of the servo motor 41 drives the rotating gear 42 to rotate.

[0034] A rack is provided on the side wall of the adjusting rod 3, and a limiting slide groove adapted to the size of the rack is opened on the side wall of the adjusting cylinder 2. The rotating gear 42 passes through the limiting slide groove and meshes with the rack; the rotating gear 42 meshes with the rack, and at the same time, the rotation of the rotating gear 42 drives the rack to move, thereby driving the effect of adjusting the adjusting rod 3 and the placing table 6 to different heights.

[0035] See also Figure 1-3 A clamping mechanism 7 is rotatably arranged inside the clamping groove, and the clamping mechanism 7 includes a first threaded rod 71, the first threaded rod 71 is rotatably connected in the clamping groove, one end of the first threaded rod 71 is fixedly connected to a turntable 72, both ends of the outer surface of the first threaded rod 71 are threadedly connected to moving blocks 73, the top of the moving block 73 is fixedly connected to a moving rod 74, and one side of the top of the moving rod 74 is fixedly connected to a clamping plate 75; the outer surface of the first threaded rod 71 is composed of two sections of external threads of equal and opposite sizes, and then the turntable 72 is rotated to drive the first threaded rod 71 to rotate, and the rotation of the first threaded rod 71 drives the moving block 73 and the moving rod 74 to move, and the movement of the moving rod 74 drives the clamping plate 75 to move, so as to achieve the effect of stably clamping the side wall of the projection device body 10.

[0036] See also Figure 1-2 Both sides of the mobile base 1 are connected with a stabilizing mechanism 11, and the stabilizing mechanism 11 includes a fixing plate 111, one side of the fixing plate 111 is connected to the side wall of the mobile base 1, the fixing plate 111 is internally threadedly connected with a second threaded rod 112, and the bottom of the second threaded rod 112 is rotatably connected with a stabilizing plate 113; after the second threaded rod 112 is rotated, the stabilizing plate 113 is driven to rise and fall, and the bottom of the stabilizing plate 113 is in contact with the ground, thereby ensuring the stability of the mobile base 1 during placement.

[0037] The working principle of the utility model is as follows: when in use, after the mobile base 1 is moved to the position where it is needed, the second threaded rod 112 is rotated to drive the stabilizing plate 113 to be lifted and lowered, and the setting of the stabilizing plate 113 is used to ensure the stability of the mobile base 1 during use, and then the projection device body 10 to be used is placed on the placement table 6, and then the turntable 72 is rotated to drive the first threaded rod 71 to rotate, and the rotation of the first threaded rod 71 drives the moving block 73 and the moving rod 74 to move, thereby driving the clamping plate 75 to move, and the side wall of the projection device body 10 is stably clamped. When the projection device body 10 needs to be adjusted to different heights, the servo motor 41 drives the rotating gear 42 to rotate, and the rotation of the rotating gear 42 drives the adjusting rod 3 to be lifted and lowered, thereby meeting the effect of adjusting the projection device body 10 to different heights;

[0038] When the projection device body 10 is adjusted to different angles, the positioning rod 91 is pulled to drive the spring 92 to stretch, and then the placement table 6 is rotated and adjusted to a suitable position, and the pulling of the positioning rod 91 is released. The rebound of the spring 92 drives the positioning rod 91 to reset and snap into the inside of the rotating frame 8, thereby meeting the effect of adjusting the projection device body 10 to different angles and improving the utilization rate of the projection device body 10.

[0039] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A projection device for visual communication design, comprising a mobile base (1), characterized in that: The top of the movable base (1) is fixedly connected with an adjustment cylinder (2), the inside of the adjustment cylinder (2) is slidably connected with an adjustment rod (3), the top of the adjustment rod (3) is fixedly connected with a connection frame (5), the top of the connection frame (5) is hinged with a placement table (6), a clamping groove is provided inside the placement table (6), the bottom of the placement table (6) is fixedly connected with a rotating frame (8), the rotating frame (8) is rotatably connected in the connection frame (5), and the top of the placement table (6) is provided with a projection device body (10); The side wall of the connection frame (5) is slidably connected to a positioning mechanism (9), and the positioning mechanism (9) comprises a positioning rod (91), the positioning rod (91) is slidably connected to the side wall of the connection frame (5), a spring (92) is sleeved on the outer surface of the positioning rod (91), one end of the spring (92) is connected to the side wall of the positioning rod (91), and the other end of the spring (92) is connected to the side wall of the connection frame (5).

2. The projection device for visual communication design according to claim 1, characterized in that: The side wall of the rotating frame (8) is provided with a plurality of positioning holes of equal size and distributed in a circular array, and the positioning rod (91) passes through the connecting frame (5) and extends into the positioning hole.

3. The projection device for visual communication design according to claim 1, characterized in that: A rotating mechanism (4) is connected to one side of the top of the adjusting cylinder (2). The rotating mechanism (4) comprises a servo motor (41). The servo motor (41) is connected to one side of the top of the adjusting cylinder (2). The output end of the servo motor (41) is connected to a rotating gear (42).

4. The projection device for visual communication design according to claim 3, characterized in that: The side wall of the adjusting rod (3) is provided with a rack, the side wall of the adjusting cylinder (2) is provided with a limiting sliding groove matched with the size of the rack, and the rotating gear (42) passes through the limiting sliding groove and meshes with the rack.

5. The projection device for visual communication design according to claim 1, characterized in that: A clamping mechanism (7) is rotatably arranged inside the clamping groove, and the clamping mechanism (7) comprises a first threaded rod (71), the first threaded rod (71) is rotatably connected in the clamping groove, one end of the first threaded rod (71) is fixedly connected to a rotating disk (72), both ends of the outer surface of the first threaded rod (71) are threadedly connected to moving blocks (73), the top of the moving block (73) is fixedly connected to a moving rod (74), and one side of the top of the moving rod (74) is fixedly connected to a clamping plate (75).

6. The projection device for visual communication design according to claim 1, characterized in that: Both sides of the mobile base (1) are connected to a stabilizing mechanism (11), and the stabilizing mechanism (11) comprises a fixing plate (111), one side of the fixing plate (111) is connected to a side wall of the mobile base (1), a second threaded rod (112) is internally threadedly connected to the fixing plate (111), and the bottom of the second threaded rod (112) is rotatably connected to a stabilizing plate (113).

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