Projection equipment

Abstract

The utility model relates to the technical field of projection, and discloses projection equipment, which comprises a supporting rod, a stop block is slidably connected in the supporting rod, a first spring rod is in threaded connection in the stop block, a reset spring is sleeved on the surface of the first spring rod, one end of the first spring rod is in threaded connection with a T-shaped block, and the other end of the first spring rod is in threaded connection with the T-shaped block. A second spring rod is arranged in the T-shaped block, one end of the second spring rod is in threaded connection with a cover plate, one side of the supporting rod is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a bearing rod, and the two ends of the bottom of the bearing rod are in threaded connection with threaded gaskets. According to the projection equipment, through the arrangement of the supporting rod, the stopping block, the first spring rod, the reset spring, the T-shaped block, the second spring rod, the cover plate and the stopping clamping block, the T-shaped block and the cover plate can be stretched, and stretching and resetting of the T-shaped block and the cover plate are guaranteed through stopping of the stopping clamping block and the acting force of the reset spring.

Description

Technical Field

[0001] The utility model relates to the technical field of projection, in particular to a projection device. Background Art

[0002] A projection device is a device that can magnify images or videos for display. It is generally used in conferences, education, entertainment and other occasions. A projection device can project images or videos onto a screen. It can be connected to computers, VCDs, DVDs, BDs, game consoles, DVs, etc. through different interfaces to play corresponding video signals.

[0003] Currently, the projection equipment on the market has the following disadvantages:

[0004] (1) Most projection devices are difficult to adjust the angle of the projection device freely, and have strict requirements on the projection site. It is difficult to adjust on uneven ground;

[0005] (2) The sizes of some projectors vary greatly. The sizes and appearances of many projectors are very different. It is difficult for most projection devices to take into account multiple projection devices at the same time and meet the usage requirements of projection devices. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] The technical problem solved by the utility model is to provide a projection device which is highly practical, can be simply operated and has a relatively simple structure, thereby solving the problem raised in the above background technology that the projection devices on the market are difficult to freely adjust the angle of the projection devices and have relatively stringent requirements on the projection site.

[0008] (II) Technical solution

[0009] To achieve the above objectives, the utility model is implemented through the following technical solutions: a projection device, including a support rod, a blocking block is slidably connected inside the support rod, a first spring rod is threadedly connected inside the blocking block, a return spring is sleeved on the surface of the first spring rod, one end of the first spring rod is threadedly connected to a T-block, a second spring rod is arranged inside the T-block, one end of the second spring rod is threadedly connected to a cover plate, one side of the support rod is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a load-bearing rod, and both ends of the bottom of the load-bearing rod are threadedly connected to threaded gaskets.

[0010] Optionally, a blocking block is provided at one end of the support rod, and the blocking block is used to prevent the return spring from popping out. Through the blocking block and the return spring, the first spring rod can be stretched out and then return to its original position.

[0011] Optionally, a projector body is arranged on the top of the support rod, and the projector body is fixed by a T-block and a cover plate. After the T-block and the cover plate are stretched out, the projector body is fixed by the force of a return spring.

[0012] Optionally, a turntable is provided at the bottom of the threaded gasket, and a rotating block is inserted at the bottom of the turntable. Placing the turntable on the rotating block can make the projection device rotate 360°.

[0013] Optionally, the bottom of the rotating block is fixedly connected to a chassis, and the surface of the rotating block is threadedly connected to a limiting threaded rod, and tightening the limiting threaded rod can fix the turntable to ensure its stability.

[0014] Optionally, the first spring rod and the second spring rod have the same reset principle, and both sides of the support rod can be stretched, and the stretching of both sides increases the storage size of the projection equipment.

[0015] (III) Beneficial effects

[0016] The utility model provides a projection device, which has the following beneficial effects:

[0017] 1. The projection device, through the arrangement of the support rod, the blocking block, the first spring rod, the reset spring, the T-block, the second spring rod, the cover plate, and the blocking card block, can stretch the T-block and the cover plate. The blocking card block blocks and the force of the reset spring ensure the stretching and reset of the T-block and the cover plate, thereby enhancing the adaptability to various types of projection equipment.

[0018] 2. The projection device, through the arrangement of the support rod, the connecting rod, the load-bearing rod and the threaded gasket, can increase the distance between the bottom of the threaded gasket and the load-bearing rod by adjusting the threaded gasket, thereby enhancing the angle adjustment of the projection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the load-bearing rod structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the T-block structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the support rod structure of the utility model.

[0023] In the figure: 1. support rod; 2. blocking block; 3. first spring rod; 4. return spring; 5. T-block; 6. second spring rod; 7. cover plate; 8. connecting rod; 9. load-bearing rod; 10. threaded gasket; 11. blocking block; 12. projector body; 13. turntable; 14. rotating block; 15. chassis; 16. limiting threaded rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 4 The utility model provides a technical solution: a projection device, including a support rod 1, a blocking block 2 is slidably connected inside the support rod 1, a first spring rod 3 is threadedly connected inside the blocking block 2, a reset spring 4 is sleeved on the surface of the first spring rod 3, a T-shaped block 5 is threadedly connected to one end of the first spring rod 3, a second spring rod 6 is arranged inside the T-shaped block 5, and a cover plate 7 is threadedly connected to one end of the second spring rod 6, through the support rod 1, the blocking block 2, the first spring rod 3, the reset spring 4, the T-shaped block 5, the second spring rod 6, the cover plate 7, and the blocking block 11 The setting can stretch the T-block 5 and the cover plate 7, and the blocking block 11 blocks and resets the force of the spring 4 to ensure the stretching and resetting of the T-block 5 and the cover plate 7, thereby enhancing the adaptability to various types of projection equipment. One side of the support rod 1 is fixedly connected with a connecting rod 8, one end of the connecting rod 8 is fixedly connected with a load-bearing rod 9, and both ends of the bottom of the load-bearing rod 9 are threadedly connected with threaded gaskets 10. One side of the support rod 1 is fixedly connected with a connecting rod 8, one end of the connecting rod 8 is fixedly connected with a load-bearing rod 9, and both ends of the bottom of the load-bearing rod 9 are threadedly connected with threaded gaskets 10.

[0026] A blocking block 11 is provided at one end of the support rod 1, and the blocking block 11 is used to prevent the return spring 4 from popping out. Through the blocking block 11 and the return spring 4, the first spring rod 3 can be stretched out and then returned to its original position.

[0027] A projector body 12 is disposed on the top of the support rod 1, and the projector body 12 is fixed by a T-block 5 and a cover plate 7. After the T-block 5 and the cover plate 7 are stretched out, the projector body 12 is fixed by the force of the return spring 4;

[0028] A turntable 13 is provided at the bottom of the threaded gasket 10, and a rotating block 14 is inserted at the bottom of the turntable 13. The turntable 13 is placed on the rotating block 14 to enable the projection device to rotate 360 ​​degrees.

[0029] The bottom of the rotating block 14 is fixedly connected with a chassis 15, and the surface of the rotating block 14 is threadedly connected with a limiting threaded rod 16. Tightening the limiting threaded rod 16 can fix the rotating disk 13 to ensure its stability;

[0030] The first spring rod 3 and the second spring rod 6 have the same reset principle. Both sides of the support rod 1 can be stretched, and the stretching of both sides increases the storage size of the projection equipment.

[0031] In the utility model, the working steps of the device are as follows:

[0032] The first step: the T-block 5 and the cover plate 7 can be stretched, and the blocking block 11 blocks and resets the force of the spring 4, thereby ensuring the stretching and reset of the T-block 5 and the cover plate 7, and enhancing the adaptability to various types of projection equipment;

[0033] The second step: the threaded gasket 10 can be adjusted to increase the distance between the bottom of the threaded gasket 10 and the load-bearing rod 9, thereby enhancing the angle adjustment of the projection device.

[0034] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0035] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A projection device, comprising a support rod (1), characterized in that: The support rod (1) is internally slidably connected to a blocking block (2), the blocking block (2) is internally threadedly connected to a first spring rod (3), the surface of the first spring rod (3) is sleeved with a return spring (4), one end of the first spring rod (3) is threadedly connected to a T-shaped block (5), a second spring rod (6) is arranged inside the T-shaped block (5), one end of the second spring rod (6) is threadedly connected to a cover plate (7), one side of the support rod (1) is fixedly connected to a connecting rod (8), one end of the connecting rod (8) is fixedly connected to a load-bearing rod (9), and both ends of the bottom of the load-bearing rod (9) are threadedly connected to threaded gaskets (10).

2. A projection device according to claim 1, characterized in that: A blocking block (11) is provided at one end of the support rod (1), and the blocking block (11) is used to prevent the return spring (4) from popping out.

3. A projection device according to claim 1, characterized in that: A projector body (12) is arranged on the top of the support rod (1), and the projector body (12) is fixed by a T-shaped block (5) and a cover plate (7).

4. A projection device according to claim 1, characterized in that: A rotating disk (13) is arranged at the bottom of the threaded gasket (10), and a rotating block (14) is inserted into the bottom of the rotating disk (13).

5. A projection device according to claim 4, characterized in that: The bottom of the rotating block (14) is fixedly connected to a chassis (15), and the surface of the rotating block (14) is threadedly connected to a limiting threaded rod (16).

6. A projection device according to claim 1, characterized in that: The first spring rod (3) and the second spring rod (6) have the same reset principle, and both sides of the support rod (1) can be stretched.

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