CN219606446U

CN219606446U - Combined projection bracket

Info

Publication number: CN219606446U
Application number: CN202223063011.3U
Authority: CN
Inventors: 贾洪达
Original assignee: Bingzhou Technology Heilongjiang Co ltd
Current assignee: Bingzhou Technology Heilongjiang Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-08-29
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a combined projection bracket, which comprises a shrinkage rod, wherein the bottom of the shrinkage rod is fixedly connected with a fixed plate, the bottom of the fixed plate is fixedly connected with a bottom plate through a bolt, one side of the shrinkage rod is movably connected with an adjusting component in a penetrating manner, the inside of the shrinkage rod is movably connected with a screw rod, one end of the screw rod is fixedly connected with a second bevel gear, the outer side of the screw rod is in threaded connection with a nut seat, the top of the shrinkage rod is movably connected with a lifting rod, the front surface of the lifting rod is fixedly connected with an adjusting mechanism, the top of the lifting rod is fixedly connected with a bearing, the lifting rod is fixedly connected with an adjusting shaft through the bearing, the top end of the adjusting shaft is fixedly connected with a gear disc, and the combined projection bracket is improved in flexibility through the arranged shrinkage rod, the lifting rod, the gear disc, the transmission gear and the adjusting screw.

Description

Combined projection bracket

Technical Field

The utility model relates to the technical field of projector brackets, in particular to a combined projection bracket.

Background

Prior art publication No. CN214037419U provides a combined projector installing support of being convenient for, including base, backup pad, installation piece, place board and fixed block, the below of base is provided with removes the wheel, and removes the top fixedly connected with sleeve of wheel, telescopic top is connected with the telescopic link, and telescopic link's top fixedly connected with fixed block, place board top left and right sides and be provided with the fan, and the below of fan is provided with the screw rod, one side fixedly connected with clamp splice of screw rod, and be provided with the rubber pad on the clamp splice. This be convenient for combination formula projecting apparatus installing support is provided with sleeve, telescopic link, fixed block, inserted block and fixing bolt, at the in-process of using, makes the high effectual promotion of device through the slip of sleeve and telescopic link, reaches the effect of convenient adjusting device height, and the fixed block is convenient for installing support's installation and dismantlement with the inserted block, and it is more convenient to operate, the effectual practicality that has improved.

Although the effect that the combined projector installing support is convenient for to make things convenient for adjusting device height, but this projector installing support regulation mode is single, in the projection process, because of the projector can put in the size picture of equidimension according to projection distance, can also throw out the picture of different inclinations because of projector inclination simultaneously, can watch the problem of comfort level when can't correct the picture, so we propose a combined projection support.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a combined projection bracket, which aims to solve the problems that in the prior art, the projector can throw frames with different sizes according to the projection distance, and meanwhile, the projector can throw frames with different inclinations according to the inclination angle, so that the user can watch comfort when the frames cannot be corrected.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a combination formula projection support, includes the shrink pole, the bottom fixedly connected with fixed plate of shrink pole, the bottom of fixed plate passes through bolt fixedly connected with bottom plate, one side of shrink pole runs through swing joint has adjusting part, the inside swing joint of shrink pole has the lead screw, the one end fixedly connected with second bevel gear of lead screw, the outside threaded connection of lead screw has the nut seat, the top swing joint of shrink pole has the lifter, the positive fixedly connected with adjustment mechanism of lifter, the top fixedly connected with bearing of lifter, the lifter passes through bearing fixedly connected with regulating spindle, the top fixedly connected with gear plate of regulating spindle, the top of gear plate passes through bolt fixedly connected with roof.

Further preferably, the adjusting component comprises a rotating shaft, a first bevel gear and a rotating disc, the rotating shaft is movably connected to one side of the shrinkage rod in a penetrating mode, one end of the rotating shaft is fixedly connected with the first bevel gear, the other end of the rotating shaft is fixedly connected with the rotating disc, and the first bevel gear is connected with the second bevel gear in a meshed mode.

Further preferably, the adjusting mechanism comprises a motor frame, a driving motor and a transmission gear, wherein the motor frame is fixedly connected to the front face of the lifting rod, the driving motor is fixedly connected to the top of the motor frame, the transmission gear is fixedly connected to the driving end of the driving motor, and the transmission gear is meshed with the gear disc.

Further preferably, an adjusting screw is connected to the bottom of the top plate in a penetrating threaded manner, and a projector is connected to the top of the top plate in a threaded manner through the adjusting screw.

Further preferably, the shrinkage rod and the lifting rod are both made of stainless steel materials, the shrinkage rod and the lifting rod are hollow structures, and the outer surfaces of the shrinkage rod and the lifting rod are smooth.

Further preferably, universal wheels are fixedly connected to the bottom of the bottom plate, and the four universal wheels are arranged at four corners of the bottom plate.

(III) beneficial effects

The utility model provides a combined projection bracket, which has the following beneficial effects:

(1) The combined projection bracket comprises a telescopic rod, a lifting rod, a gear disc, a transmission gear and an adjusting screw, wherein the telescopic rod, the lifting rod, the gear disc, the transmission gear and the adjusting screw are arranged, when the combined projection bracket is used, a projector is placed on a top plate, then the adjusting screw is fixed in a screw opening at the bottom of the projector, after the combined projection bracket is fixed, the user can push the combined projection bracket to move to a proper position through the universal wheel, after the combined projection bracket is moved to the proper position, a worker can rotate a rotary disc leftwards or rightwards according to projection requirements, the rotary disc drives a rotary shaft to rotate a first bevel gear, the second bevel gear can drive a screw rod to rotate, the lifting rod can be driven to move up and down through the telescopic rod due to the fact that a direction nut seat of the screw rod rotates, so that the height of the projection bracket is adjusted, when the projection angle is not right, a driving motor is started by the user, the driving motor drives the transmission gear to rotate, the gear disc is driven by the top plate to rotate, the projector can be adjusted to the projection angle, and simultaneously, the user can push the projector upwards through the adjusting screw, so that the inclination angle of the projector can be adjusted, and the combined projection bracket can be adjusted according to the projection angle, and the projection angle can be adjusted according to the requirements.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of a top plate of the present utility model;

FIG. 3 is a cross-sectional view of a retraction lever of the present utility model;

fig. 4 is a cross-sectional view of the lifter of the present utility model.

In the figure: 1. a bottom plate; 2. a universal wheel; 3. a fixing plate; 4. a retracting lever; 401. a screw rod; 402. a nut seat; 403. a second bevel gear; 5. a rotating shaft; 501. a first bevel gear; 6. a turntable; 7. a lifting rod; 701. a bearing; 702. an adjusting shaft; 703. a gear plate; 8. a motor frame; 9. a driving motor; 901. a transmission gear; 10. a top plate; 11. a projector; 12. and (5) adjusting a screw.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a combination formula projection support, including shrink pole 4, the bottom fixedly connected with fixed plate 3 of shrink pole 4, bolt fixedly connected with bottom plate 1 is passed through to the bottom of fixed plate 3, one side of shrink pole 4 runs through swing joint and has adjusting part, the inside swing joint of shrink pole 4 has lead screw 401, the one end fixedly connected with second bevel gear 403 of lead screw 401, the outside threaded connection of lead screw 401 has nut seat 402, the top swing joint of shrink pole 4 has lifter 7, the positive fixedly connected with adjustment mechanism of lifter 7, the top fixedly connected with bearing 701 of lifter 7, lifter 7 passes through bearing 701 fixedly connected with regulating shaft 702, the top fixedly connected with gear disk 703 of regulating shaft 702, bolt fixedly connected with roof 10 is passed through at the top of gear disk 703.

In this embodiment, specifically, the adjusting component includes a rotating shaft 5, a first bevel gear 501 and a rotating shaft 5 of a rotating disc 6, where the rotating shaft 5 is movably connected to one side of the shrinking rod 4, one end of the rotating shaft 5 is fixedly connected with the first bevel gear 501, the other end of the rotating shaft 5 is fixedly connected with the rotating disc 6, the first bevel gear 501 is meshed with the second bevel gear 403, the rotating disc 6 drives the first bevel gear 501 on the rotating shaft 5 to rotate by rotating the rotating disc 6 leftwards or rightwards, the second bevel gear 403 drives the screw 401 to rotate, and the lifting rod 7 is driven to move up and down through the shrinking rod 4 by the nut seat 402 in the direction of the rotation of the screw 401, so as to adjust the height of the projection bracket.

In this embodiment, specifically, adjustment mechanism includes motor frame 8, driving motor 9 and drive gear 901, motor frame 8 fixedly connected with is in the front of lifter 7, the top fixedly connected with driving motor 9 of motor frame 8, driving motor 9's drive end fixedly connected with drive gear 901, drive gear 901 and gear disk 703 meshing are connected, through start-up driving motor 9, driving motor 9 drives drive gear 901 and will rotate, and drive gear 901 will drive gear disk 703 and rotate, roof 10 will drive projecting apparatus 11 and adjust to projection angle this moment.

In this embodiment, specifically, the bottom of the top plate 10 is connected with an adjusting screw 12 through a thread, the top of the top plate 10 is connected with a projector 11 through the thread of the adjusting screw 12, and the adjusting screw 12 is rotated to push the projector 11 upwards, so that the inclination angle of the projector 11 can be adjusted.

In this embodiment, specifically, shrink pole 4 and lifter 7 are formed by stainless steel material processing, and shrink pole 4 and lifter 7 are hollow structure, and the surface of shrink pole 4 and lifter 7 is smooth, and shrink pole 4 and lifter 7 that are formed by stainless steel material processing are sturdier and more durable, can also prevent to rust.

In this embodiment, specifically, universal wheels 2 are fixedly connected with the bottom of bottom plate 1, and universal wheels 2 are provided with four, and four universal wheels 2 are located the four corners department of the bottom of bottom plate 1 respectively, through universal wheels 2 convenient to use person removal combination formula projection support.

Working principle: after the utility model is installed, firstly, the installation and fixation and safety protection of the utility model are checked, when the combined projection bracket is used, a user places the projector 11 on the top plate 10, then uses the adjusting screw 12 to fix in the screw opening at the bottom of the projector 11, after the fixing is finished, the user can push the combined projection bracket to move to a proper position through the universal wheel 2, after the fixing is finished, the user can rotate the rotary disk 6 leftwards or rightwards according to projection requirements, the rotary disk 6 drives the first bevel gear 501 on the rotary shaft 5 to rotate, the second bevel gear 403 drives the screw rod 401 to rotate, the lifting rod 7 is driven to move up and down through the contraction rod 4 due to the direction nut seat 402 rotated by the screw rod 401, so that the height of the projection bracket is adjusted, when the projection angle is not right, the user starts the driving motor 9, the driving motor 9 drives the driving gear 901 to rotate, the gear 703 is driven by the driving gear 901, at the moment, the top plate 10 drives the projector 11 to adjust the projection angle, and simultaneously the user can drive the adjusting screw 12 to upwards through rotating the adjusting screw 12, so that the projector 11 can be adjusted to tilt the projection angle, and the utility model is convenient to use, and the utility model has simple and safe structure.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A modular projection stand comprising a retractable rod (4), characterized in that: the bottom fixedly connected with fixed plate (3) of shrink pole (4), the bottom of fixed plate (3) is through bolt fixedly connected with bottom plate (1), one side of shrink pole (4) runs through swing joint and has adjusting part, the inside swing joint of shrink pole (4) has lead screw (401), the one end fixedly connected with second bevel gear (403) of lead screw (401), the outside threaded connection of lead screw (401) has nut seat (402), the top swing joint of shrink pole (4) has lifter (7), the positive fixedly connected with adjustment mechanism of lifter (7), the top fixedly connected with bearing (701) of lifter (7), lifter (7) are through bearing (701) fixedly connected with regulating spindle (702), the top fixedly connected with gear dish (703) of regulating spindle (702), the top of gear dish (703) is through bolt fixedly connected with roof (10).

2. A modular projection stand as claimed in claim 1, wherein: the adjusting component comprises a rotating shaft (5), a first bevel gear (501) and a rotating disc (6), wherein the rotating shaft (5) is movably connected to one side of a shrinkage rod (4) in a penetrating mode, one end of the rotating shaft (5) is fixedly connected with the first bevel gear (501), the other end of the rotating shaft (5) is fixedly connected with the rotating disc (6), and the first bevel gear (501) is connected with a second bevel gear (403) in a meshed mode.

3. A modular projection stand as claimed in claim 1, wherein: the adjusting mechanism comprises a motor frame (8), a driving motor (9) and a transmission gear (901), wherein the motor frame (8) is fixedly connected to the front face of the lifting rod (7), the driving motor (9) is fixedly connected to the top of the motor frame (8), the transmission gear (901) is fixedly connected to the driving end of the driving motor (9), and the transmission gear (901) is meshed with the gear disc (703).

4. A modular projection stand as claimed in claim 1, wherein: the bottom of roof (10) runs through threaded connection and has adjusting screw (12), the top of roof (10) is through adjusting screw (12) threaded connection and has projecting apparatus (11).

5. A modular projection stand as claimed in claim 1, wherein: the telescopic rod (4) and the lifting rod (7) are formed by processing stainless steel materials, the telescopic rod (4) and the lifting rod (7) are of hollow structures, and the outer surfaces of the telescopic rod (4) and the lifting rod (7) are smooth.

6. A modular projection stand as claimed in claim 1, wherein: the bottom of bottom plate (1) fixedly connected with universal wheel (2), universal wheel (2) are provided with four, four universal wheel (2) are located the four corners department of the bottom of bottom plate (1) respectively.