Projection device for introduction of commerce and trade products
By designing a combination structure such as fixed rod, bolt, chassis frame and telescopic rod, the problem of inconvenient height and angle adjustment in commercial product introduction is solved, and the projection screen is quickly adjusted and clearly displayed in various venues.
Patent Information
- Application Number
- CN202421944292.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The existing projection devices are difficult to adjust to the appropriate height and angle when introducing commercial products, resulting in unclear pictures and need to be adjusted repeatedly.
A projection device for commercial product introduction was designed. Through a combined structure of fixing rods, bolts, chassis frames, telescopic rods and clamps, the angle and height of the projector are flexibly adjusted, including rotation and telescopic functions, ensuring the appropriate position of the picture.
It realizes rapid adjustment and clear display of projected images in various venues, improving the convenience and effect of commercial product introduction.
Smart Images

Figure CN223153250U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of projection devices, and specifically relates to a projection device for introducing commercial products. Background Technique
[0002] The introduction of commercial products is a relatively detailed description of a certain product, including the basic information, features, advantages, scope of application, usage method, effects, actual cases, after-sales service, contact information, etc. of the product. Through a complete product introduction, customers can understand the product more comprehensively. When introducing commercial products, in order to facilitate the display of product introductions, generally, a projection device is used to display product introduction information. A projection device, also known as a projector, is a device that can project images or videos onto a screen and can be connected to a computer, VCD, DVD, BD, DV, etc. through different interfaces to play corresponding video signals. Projectors are widely used in families, offices, schools, and entertainment venues. According to different working methods, there are different types such as CRT, LCD, DLP, and 3LCD.
[0003] When the existing projection device is used to project and introduce commercial products, it is difficult to adjust to a suitable height and angle, and the projection needs to be adjusted repeatedly to make the picture clear. Therefore, a projection device for introducing commercial products needs to be proposed. Content of the Utility Model
[0004] The purpose of the utility model is to provide a projection device for introducing commercial products to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A projection device for introducing commercial products, including a fixing frame. A through groove is opened inside the fixing frame. Fixing rods are fixed on both sides of the fixing frame. A first bolt penetrates through one side of the fixing rod. A chassis frame is installed on one side of the fixing rod. A projector is installed inside the chassis frame. Rotating shafts are fixed on both sides of the chassis frame. A handle is sleeved on the outside of the rotating shaft. A convex block is installed inside the through groove. A first telescopic rod is fixed below the convex block. A second telescopic rod is sleeved on the outside of the first telescopic rod. A first clamping block is installed on the outside of the second telescopic rod. A second bolt penetrates through one side of the first clamping block. A fixing tube is sleeved on the lower end of the second telescopic rod. A second clamping block is sleeved on the outside of the fixing tube. A third bolt penetrates through one side of the second clamping block. A base is sleeved on the lower end of the fixing tube.
[0006] Preferably, the chassis frame is threadedly connected to the fixing rod through the first bolt, and the fixing rod is designed in an inclined manner on one side of the fixing frame.
[0007] Preferably, the chassis frame forms a rotating structure with the fixed rod through the first bolt, and the first bolt is symmetrically arranged with respect to the central axis of the chassis frame.
[0008] Preferably, the handle forms a rotating structure with the chassis frame through the rotating shaft, and the rotating shaft is symmetrically arranged with respect to the central axis of the chassis frame.
[0009] Preferably, the convex block forms a telescopic structure with the first telescopic rod and the second telescopic rod, and the convex block is arranged in a "T" shape.
[0010] Preferably, the second telescopic rod forms a telescopic structure with the base through the fixed pipe, and the lower end of the outer side of the fixed pipe is in contact with and abuts against the inner side of the base.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] 1. For this projection device for introducing commercial products, through the combined use of the fixed rod, the first bolt, the chassis frame, the first telescopic rod, the second telescopic rod, the first clamping block, the second bolt, the fixed pipe, the second clamping block, and the third bolt, during the use of the device, the chassis frame can rotate with the fixed rod through the first bolt, and the rotation can adjust the angle of the projector. The first telescopic rod and the second telescopic rod can be telescoped up and down to adjust the height. After adjusting the height, the second bolt and the third bolt can be rotated to fix, which is convenient to adjust different heights and angles during projection, so that when introducing commercial products, the position of the projected image is appropriate, the image is clear, it can be conveniently applied in various venues, and quickly adjust the projection device to introduce commercial products;
[0013] 2. For this projection device for introducing commercial products, through the settings of the fixed frame, the through groove, the fixed rod, the first bolt, the chassis frame, the projector, the rotating shaft, the handle, and the convex block, during the use of the device, the handle can rotate with the chassis frame through the rotating shaft. After the handle rotates, it is convenient to lift the chassis frame and the projector. After lifting, the fixed frame and the convex block can be separated, so that the projector can be placed in other places, adapting to more usage venues, making it more convenient and fast to use the projection device when introducing commercial products. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0015] Figure 2 is a schematic diagram of the structure of the chassis frame of the present utility model;
[0016] Figure 3 is a schematic diagram of the telescopic structure of the present utility model;
[0017] Figure 4 is the present utility model Figure 3 is an enlarged schematic diagram of the structure at position A shown in the present utility model;
[0018] Figure 5 For the present utility model Figure 3 The enlarged structural schematic diagram at position B shown in the figure.
[0019] In the figure: 1, fixed frame; 2, through groove; 3, fixed rod; 4, first bolt; 5, chassis frame; 6, projector; 7, rotating shaft; 8, handle; 9, convex block; 10, first telescopic rod; 11, second telescopic rod; 12, first clamping block; 13, second bolt; 14, fixed pipe; 15, second clamping block; 16, third bolt; 17, base. Specific embodiments
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0021] Please refer to Figure 1-2 , the present utility model provides a technical solution: a projection device for business product introduction, including a fixed frame 1. A through groove 2 is provided inside the fixed frame 1. Fixed rods 3 are fixed on both sides of the fixed frame 1. A first bolt 4 penetrates through one side of the fixed rod 3. A chassis frame 5 is installed on one side of the fixed rod 3. The chassis frame 5 is threadedly connected to the fixed rod 3 through the first bolt 4. The fixed rod 3 is inclined on one side of the fixed frame 1. The chassis frame 5 and the fixed rod 3 form a rotating structure through the first bolt 4. The first bolt 4 is symmetrically arranged with respect to the central axis of the chassis frame 5. A projector 6 is installed inside the chassis frame 5. The chassis frame 5 can rotate with the fixed rod 3 through the first bolt 4. By rotating, the angle of the projector 6 can be adjusted, which is convenient for quickly adjusting the angle of the projection device during business product introduction and making the projection screen clearer. Rotating shafts 7 are fixed on both sides of the chassis frame 5. A handle 8 is sleeved outside the rotating shaft 7. The handle 8 and the chassis frame 5 form a rotating structure through the rotating shaft 7. The rotating shaft 7 is symmetrically arranged with respect to the central axis of the chassis frame 5. The handle 8 can rotate with the chassis frame 5 through the rotating shaft 7. After the handle 8 rotates, it is convenient to lift the chassis frame 5 and the projector 6. After lifting, the fixed frame 1 and the convex block 9 can be separated, so that the projector 6 can be placed in other places, adapting to more usage sites and making it more convenient and fast to use the projection device during business product introduction.
[0022] Please refer to Figure 1 and Figure 3-5, a bump 9 is installed inside the through slot 2. The bump 9 is composed of a first telescopic rod 10 and a second telescopic rod 11 to form a telescopic structure. The bump 9 is arranged in a "T" shape. The first telescopic rod 10 is fixed below the bump 9. The second telescopic rod 11 is sleeved outside the first telescopic rod 10. The second telescopic rod 11 and the base 17 form a telescopic structure through a fixed pipe 14. The lower end of the outer side of the fixed pipe 14 is in contact with the inner side of the base 17. The first telescopic rod 10 and the second telescopic rod 11 can be telescopically adjusted up and down to adjust the height of the projection device. After adjusting to the required height, the second bolt 13 and the third bolt 16 can be rotated to fix the height. When introducing commercial products, the position of the projected image is appropriate and the image is clear, which can be conveniently applied in various venues and quickly adjust the projection device to introduce commercial products. A first clamping block 12 is installed outside the second telescopic rod 11. A second bolt 13 penetrates through one side of the first clamping block 12. The lower end of the second telescopic rod 11 is sleeved with a fixed pipe 14. A second clamping block 15 is sleeved outside the fixed pipe 14. A third bolt 16 penetrates through one side of the second clamping block 15. The lower end of the fixed pipe 14 is sleeved with a base 17.
[0023] Working principle: When using the projection device for introducing commercial products, first connect to the external power supply, insert the fixed pipe 14 into the base 17. After pulling up the first telescopic rod 10, rotate the second bolt 13 to fix the height. Then pull up the second telescopic rod 11 and rotate the third bolt 16 to fix the height. The height can be adjusted according to the projection requirements, and it can be applied in various venues to quickly adjust the projection device to introduce commercial products. Align the bump 9 with the through slot 2 and insert it. Then put the projector 6 into the chassis frame 5. Turn on the projector 6. By rotating the chassis frame 5, the projection image can be adjusted to an appropriate angle. After adjusting the angle, rotate the first bolt 4 to fix the position. When introducing commercial products, the position of the projected image is appropriate and the image is clear. When the device is not in use, cut off the external power supply of the device. The model of the projector 6 is PT - BMZ50C. Just like this, the use process of the projection device for introducing commercial products is completed.
[0024] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A projection device for introducing commercial and trade products, comprising a fixing frame (1), characterized in that: A through groove (2) is formed inside the fixing frame (1). Fixing rods (3) are fixed on both sides of the fixing frame (1). A first bolt (4) penetrates through one side of the fixing rod (3). A chassis frame (5) is installed on one side of the fixing rod (3). A projector (6) is installed inside the chassis frame (5). Rotating shafts (7) are fixed on both sides of the chassis frame (5). A handle (8) is sleeved on the outer side of the rotating shaft (7). A convex block (9) is installed inside the through groove (2). A first telescopic rod (10) is fixed below the convex block (9). A second telescopic rod (11) is sleeved on the outer side of the first telescopic rod (10). A first clamping block (12) is installed on the outer side of the second telescopic rod (11). A second bolt (13) penetrates through one side of the first clamping block (12). A fixing tube (14) is sleeved on the lower end of the second telescopic rod (11). A second clamping block (15) is sleeved on the outer side of the fixing tube (14). A third bolt (16) penetrates through one side of the second clamping block (15). A base (17) is sleeved on the lower end of the fixing tube (14).
2. The projection device for introducing a business product according to claim 1, characterized in that, The chassis frame (5) is threadedly connected to the fixing rod (3) through the first bolt (4), and the fixing rod (3) is designed in an inclined manner on one side of the fixing frame (1).
3. The projection device for introducing a commercial and trading product according to claim 1, characterized in that, The chassis frame (5) and the fixing rod (3) form a rotating structure through the first bolt (4), and the first bolt (4) is symmetrically arranged with respect to the central axis of the chassis frame (5).
4. A projection device for introducing a commercial product according to claim 1, characterized in that, The handle (8) and the chassis frame (5) form a rotating structure through the rotating shaft (7), and the rotating shaft (7) is symmetrically arranged with respect to the central axis of the chassis frame (5).
5. The projection device for introducing a commercial product according to claim 1, characterized in that, The convex block (9) and the first telescopic rod (10) and the second telescopic rod (11) form a telescopic structure, and the convex block (9) is arranged in a "T" shape structure.
6. The projection device for introducing a commercial product according to claim 1, characterized in that The second telescopic rod (11) and the base (17) form a telescopic structure through the fixing tube (14), and the lower end of the outer side of the fixing tube (14) is in contact and abuts against the inner side of the base (17).