Projection equipment fixing device

Abstract

The utility model discloses a fixing device for projection equipment, which belongs to the technical field of projection devices, and comprises a mounting plate and a projector body, the bottom of the mounting plate is fixedly connected with a fixing box, the bottom of the fixing box is fixedly connected with a fixing cylinder, the inside of the fixing cylinder is slidably connected with a threaded cylinder, and the threaded cylinder is fixedly connected with the projector body. The bottom end of the threaded cylinder is fixedly connected with an adjusting box, and the top end in the adjusting box is fixedly connected with an electric push rod. The projector has the beneficial effects that through the arrangement of the movable plate, people press the movable plate to separate the fixed block from the fixed hole, people can separate the cross-shaped connecting block from the cross-shaped connecting frame, and people can disassemble and assemble the projector body, so that people can maintain the projector conveniently, time and labor are saved, and meanwhile, under the action of the electric push rod, the projector can be conveniently disassembled and assembled. People control the electric push rod to operate through an external controller, the angle of the projector body can be adjusted, and the projector is more convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of projection devices, and more specifically, to a projection equipment fixing device. Background Art

[0002] A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to various external devices through different interfaces and play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment venues. During the use of the projector, a fixed bracket is required to fix the projector in a certain position, and then further adjust the direction of the projector so that the projection of the projector is projected onto the screen.

[0003] However, some existing projectors are mostly hung on the ceiling when in use. Since the projector is fixed at a high position, it is very difficult to install and disassemble the projector for maintenance, which is time-consuming and labor-intensive, and it is inconvenient to repair and clean the dust on the device. Therefore, in view of the above problems, a projection equipment fixing device is specially proposed. Utility Model Content

[0004] (1) Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a projection equipment fixing device, which has the feature of being easy for people to disassemble and install the projector.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides a projection equipment fixing device, comprising a mounting plate and a projector body, the bottom of the mounting plate is fixedly connected to a fixing box, the bottom of the fixing box is fixedly connected to a fixing cylinder, the fixing cylinder is slidably connected to a threaded cylinder, the bottom of the threaded cylinder is fixedly connected to an adjusting box, the top of the adjusting box is fixedly connected to an electric push rod, the bottom end of the electric push rod is movably connected to a cross connecting block through a pin shaft, the top pin shaft inside the adjusting box is movably connected to a rotating rod, the bottom end of the rotating rod is movably connected to the top of the cross connecting block through a pin shaft, the top of the projector body is fixedly connected to a cross connecting frame, the cross connecting block can be in the cross connecting frame, the opposite sides of the cross connecting frame are provided with fixing holes, four movable grooves are provided in the cross connecting block, the inner side of the movable groove is fixedly connected to a spring, one end of the spring is fixedly connected to a movable plate, the side of the movable plate is fixedly connected to a fixing block, and the fixing block is clamped in the fixing hole.

[0008] When using a projection equipment fixing device of the present technical solution, by setting a movable plate, people press the movable plate to disengage the fixing block from the fixing hole, people can disengage the cross connection block from the cross connection frame, and people can disassemble and install the projector body, thereby facilitating people's maintenance and saving time and effort.

[0009] Furthermore, a motor is fixedly connected to the inner side of the fixing box, and a first bevel gear is fixedly connected to the output end of the motor.

[0010] Furthermore, a rotating shaft is rotatably connected to the top end of the interior of the fixed box via a bearing, a second bevel gear is fixedly connected to the surface of the rotating shaft, and the first bevel gear and the second bevel gear are meshed with each other.

[0011] Furthermore, a threaded rod is fixedly connected to the bottom end of the rotating shaft, and the bottom end of the threaded rod is threadedly connected in the threaded barrel.

[0012] Furthermore, two limiting grooves are provided on the surface of the fixed cylinder, and two limiting blocks are fixedly connected to the surface of the threaded cylinder, and the limiting blocks are slidably connected in the limiting grooves.

[0013] Furthermore, four corners of the top of the mounting plate are threadedly connected with mounting bolts.

[0014] (3) Beneficial effects

[0015] In summary, the utility model has the following beneficial effects:

[0016] 1. A projection equipment fixing device is provided with a movable plate. People press the movable plate to disengage the fixing block from the fixing hole, and people can disengage the cross connection block from the cross connection frame. People can disassemble and install the projector body, so that people can maintain it conveniently, saving time and effort;

[0017] 2. This projection equipment fixing device is provided with a motor. People control the operation of the motor through an external controller to rotate the first bevel gear. Through the second bevel gear, the rotating shaft and the threaded rod are rotated. Under the limitation of the limiting groove and the limiting block, the threaded cylinder is driven to move in the fixed cylinder, so that people can adjust the height of the projector body conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of the utility model in a front view;

[0020] Figure 2 It is a structural schematic diagram of the cross connection frame in the utility model;

[0021] Figure 3 It is a structural schematic diagram of the spring in the utility model;

[0022] Figure 4 It is a structural schematic diagram of the cross section of the adjustment box in the utility model.

[0023] The symbols in the accompanying drawings are:

[0024] 1. Mounting plate; 101. Mounting bolts;

[0025] 2. Fixed box; 201. Fixed cylinder; 202. Motor; 203. First bevel gear; 204. Rotating shaft; 205. Second bevel gear; 206. Threaded rod; 207. Threaded cylinder; 208. Limiting groove; 209. Limiting block;

[0026] 3. Adjustment box; 301. Rotating rod; 302. Electric push rod; 303. Cross connection block; 304. Movable slot; 305. Spring; 306. Movable plate; 307. Fixed block;

[0027] 4. Projector body; 401. Cross connection frame; 402. Fixing hole. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0029] Example:

[0030] The following is combined with Figure 1-4 The utility model is described in further detail.

[0031] See also Figure 1-4The utility model provides a technical solution: a projection equipment fixing device, including a mounting plate 1 and a projector body 4, a fixing box 2 is fixedly connected to the bottom of the mounting plate 1, a fixing cylinder 201 is fixedly connected to the bottom of the fixing box 2, a threaded cylinder 207 is slidably connected inside the fixing cylinder 201, an adjustment box 3 is fixedly connected to the bottom end of the threaded cylinder 207, an electric push rod 302 is fixedly connected to the top end of the adjustment box 3, a cross connection block 303 is movably connected to the bottom end of the electric push rod 302 through a pin shaft, a rotating rod 301 is movably connected to the top end of the adjusting box 3, and the rotating rod 301 The bottom end is movably connected to the top of the cross connection block 303 through a pin shaft, and a cross connection frame 401 is fixedly connected to the top of the projector body 4. The cross connection block 303 can be inside the cross connection frame 401. Fixed holes 402 are provided on opposite sides of the cross connection frame 401. Four movable grooves 304 are provided inside the cross connection block 303. A spring 305 is fixedly connected to the side of the movable groove 304. One end of the spring 305 is fixedly connected to a movable plate 306. A fixed block 307 is fixedly connected to the side of the movable plate 306. The fixed block 307 is clamped in the fixing hole 402.

[0032] By adopting the above technical solution, by setting the movable plate 306, people press the movable plate 306 to disengage the fixed block 307 from the fixed hole 402, people can disengage the cross connection block 303 from the cross connection frame 401, and people can disassemble and install the projector body 4, thereby facilitating people's maintenance thereof and saving time and effort.

[0033] See also Figure 1 and Figure 4 A motor 202 is fixedly connected to the inner side of the fixed box 2, and a first bevel gear 203 is fixedly connected to the output end of the motor 202. A rotating shaft 204 is rotatably connected to the top of the fixed box 2 through a bearing. A second bevel gear 205 is fixedly connected to the surface of the rotating shaft 204. The first bevel gear 203 and the second bevel gear 205 are meshed with each other. A threaded rod 206 is fixedly connected to the bottom end of the rotating shaft 204. The bottom end of the threaded rod 206 is threadedly connected to the threaded cylinder 207. Two limiting grooves 208 are provided on the surface of the fixed cylinder 201. Two limiting blocks 209 are fixedly connected to the surface of the threaded cylinder 207. The limiting blocks 209 are slidably connected in the limiting grooves 208.

[0034] By adopting the above technical solution, by setting up the motor 202, people control the operation of the motor 202 through an external controller to rotate the first bevel gear 203, and through the second bevel gear 205, the rotating shaft 204 and the threaded rod 206 rotate, and under the limitation of the limiting groove 208 and the limiting block 209, the threaded cylinder 207 is driven to move in the fixed cylinder 201, thereby facilitating people to adjust the height of the projector body 4.

[0035] See also Figure 1The four corners of the top of the mounting plate 1 are all threadedly connected with mounting bolts 101.

[0036] The working principle of the utility model is:

[0037] When in use, people install the device at a suitable position by installing bolts 101, and after installation, people press the movable plate 306, and people clamp the cross connection block 303 into the cross connection frame 401. After clamping, loosen the movable plate 306, and under the action of the spring 305, the fixing block 307 can be clamped into the fixing hole 402, and the position of the cross connection block 303 and the cross connection frame 401 is fixed, and the projector body 4 is fixedly connected to the bottom of the cross connection block 303. After fixing, the device is powered on, and the device can be used after power-on.

[0038] By setting the motor 202, people control the operation of the motor 202 through an external controller to rotate the first bevel gear 203, and through the second bevel gear 205, the rotating shaft 204 and the threaded rod 206 rotate, and under the limitation of the limiting groove 208 and the limiting block 209, the threaded cylinder 207 is driven to move in the fixed cylinder 201, and people can adjust the height of the projector body 4.

[0039] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A projection equipment fixing device, comprising a mounting plate (1) and a projector body (4), characterized in that: The bottom of the mounting plate (1) is fixedly connected to a fixing box (2), the bottom of the fixing box (2) is fixedly connected to a fixing cylinder (201), the inside of the fixing cylinder (201) is slidably connected to a threaded cylinder (207), the bottom end of the threaded cylinder (207) is fixedly connected to an adjusting box (3), the top of the inside of the adjusting box (3) is fixedly connected to an electric push rod (302), the bottom end of the electric push rod (302) is movably connected to a cross connection block (303) via a pin shaft, the top end of the inside of the adjusting box (3) is movably connected to a rotating rod (301), the bottom end of the rotating rod (301) is movably connected to the top of the cross connection block (303) via a pin shaft The top of the projector body (4) is fixedly connected with a cross connection frame (401), the cross connection block (303) can be inside the cross connection frame (401), the inside of the cross connection frame (401) is provided with fixing holes (402) on two opposite sides, the inside of the cross connection block (303) is provided with four movable grooves (304), the inside side of the movable groove (304) is fixedly connected with a spring (305), one end of the spring (305) is fixedly connected with a movable plate (306), the side of the movable plate (306) is fixedly connected with a fixed block (307), and the fixed block (307) is clamped in the fixing hole (402).

2. A projection equipment fixing device according to claim 1, characterized in that: The inner side surface of the fixed box (2) is fixedly connected to a motor (202), and the output end of the motor (202) is fixedly connected to a first bevel gear (203).

3. A projection equipment fixing device according to claim 2, characterized in that: The top end of the interior of the fixed box (2) is rotatably connected to a rotating shaft (204) via a bearing, a second bevel gear (205) is fixedly connected to the surface of the rotating shaft (204), and the first bevel gear (203) and the second bevel gear (205) are meshed with each other.

4. A projection equipment fixing device according to claim 3, characterized in that: The bottom end of the rotating shaft (204) is fixedly connected with a threaded rod (206), and the bottom end of the threaded rod (206) is threadedly connected in a threaded barrel (207).

5. The projection equipment fixing device according to claim 1, characterized in that: The surface of the fixed cylinder (201) is provided with two limiting grooves (208), and the surface of the threaded cylinder (207) is fixedly connected with two limiting blocks (209), and the limiting blocks (209) are slidably connected in the limiting grooves (208).

6. The projection equipment fixing device according to claim 1, characterized in that: The four corners of the top of the mounting plate (1) are all threadedly connected with mounting bolts (101).

Images