CN205655077U - Hoist and mount projecting apparatus with fine setting function - Google Patents

Abstract

The utility model discloses a hoisting projector with a fine-tuning function, which comprises a mounting plate, a screw seat is arranged on one side of the lower part of the mounting plate, and a fine-tuning seat is arranged on the other side, and the screw seat and the fine-tuning seat are both connected to the A group of lead screws rotate and cooperate, the middle part of the fine-tuning seat is provided with a driving gear, one end of the lead screw is provided with a lead screw gear, the lead screw is equipped with a translation seat, and the lower part of the translation seat is provided with a hinged frame and a sleeve. The sleeve is provided with a telescopic rod, and both the articulated frame and the telescopic rod are hinged to the main unit of the projector, and the main unit of the projector is provided with a dustproof plate and a heat sink. The ceiling-mounted projector with fine-tuning function has a large degree of freedom of installation, a large adjustment range during installation, a large allowable error for drilling holes on the ceiling, and lower requirements for drilling accuracy, which brings convenience to installation and avoids inaccurate drilling. For the problem of re-punching, the projector has a fine-tuning function, which can be fine-tuned to obtain the best projection effect.

Description

A ceiling-mounted projector with fine-tuning function

technical field

The utility model relates to the field of projector equipment, in particular to a hoisting projector with a fine-tuning function.

Background technique

At present, multimedia technology is developing rapidly, and multimedia technology has been applied to all walks of life. Projectors are used in multimedia teaching and conference presentations. Projectors make lectures and slide presentations more convenient, and play a better and more intuitive display. As a result, most of the projectors currently used are installed on the ceiling. Generally, the projectors are installed on the ceiling, do not take up too much space, and are controlled by remote control during use. Once the position of the mounting hole is deviated, the angle of the projector will be incorrect after installation, which will affect the projection effect. Now a projector with fine-tuning effect is needed, which can be fine-tuned when the mounting hole is deviated to obtain a good projection effect.

Contents of the invention

The purpose of this utility model is to provide a hoisting projector with a fine-tuning function to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a hoisting projector with a fine-tuning function, including a mounting plate, one side of the lower part of the mounting plate is provided with a screw seat, and the other side of the lower part of the mounting plate is provided with The fine-tuning seat, the screw seat and the fine-tuning seat are all rotatably matched with a group of lead screws, the middle part of the fine-tuning seat is provided with a rotating shaft, the rotating shaft is matched with the driving gear, and one end of the leading screw is provided with a lead screw gear. The lead screw gear meshes with the driving gear, the lead screw is equipped with a translation seat, the lower part of the translation seat is provided with a hinged frame and a sleeve, the sleeve is provided with a telescopic rod, and the telescopic rod passes through The positioning knob is fixed on the sleeve, and the lower ends of the hinged frame and the telescopic rod are both hinged with the projector host, and one end of the projector host is provided with a swivel seat, and the swivel seat is rotatably matched with the hinged frame , the other end of the projector host is provided with a dustproof plate, and the lower part of the projector host is provided with a cooling fin.

Preferably, a set of long installation holes is opened on the installation plate, and the installation plate cooperates with other connecting pieces through the long installation holes to complete the fixed connection between the installation plate and the ceiling.

Preferably, the lead screw is rotatably matched with the lead screw seat and the fine-adjustment seat through bearings, and the rotating shaft is also rotatably matched with the fine-adjustment seat through bearings.

Preferably, a handle is provided on one side of the driving gear, and the handle is eccentrically arranged on the driving gear.

Preferably, the upper part of the projector main body is provided with a connecting seat, the connecting seat is hinged to the telescopic rod, one end of the projector main body is provided with a projector lens, and the dustproof plate is arranged above the projector lens position, the side of the projector host is provided with a remote control signal receiver and an electric plug.

Compared with the prior art, the beneficial effect of the utility model is that: when the hoisting projector with fine-tuning function is used, the mounting plate is fixed on the ceiling by the cooperation of the installation long hole with the bolt and other connecting parts used for installation, and the installation of the long hole The design makes it easier for bolts to fit with the mounting plate. When the drilling is deviated, the bolts will not be unable to fit with the long holes due to the change of the hole distance, which reduces the accuracy requirements for drilling. The user can shake the handle, Make the driving gear rotate, and the driving gear drives the lead screw gear to rotate. At this time, the translation seat installed on the lead screw will realize translation while the lead screw rotates. Move back and forth to achieve the purpose of adjustment. At the same time, the rear end of the projector host rotates with the hinge frame through the swivel seat, and the front of the projector host rotates with the telescopic rod through the connecting seat. This design makes the angle between the projector host and the horizontal plane can be adjusted by The expansion and contraction of the telescopic rod can be adjusted. This design further broadens the adjustment range of the projector, so that the projector can be flexibly adjusted in the horizontal and vertical directions to meet the projection requirements; When the adjustment range is large, the permissible error of drilling holes on the ceiling is large, and the accuracy requirements for drilling are reduced, which brings convenience to the installation and avoids the problem of inaccurate drilling and re-drilling. The projector has a fine-tuning function, which can Get the best projection effect by fine-tuning.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a top structural schematic diagram of the mounting plate of the present invention.

Fig. 3 is a schematic diagram of the structure of the cooperation of the mounting plate, fine-tuning seat, lead screw and driving gear of the present invention.

In the figure: 1. Mounting plate, 2. Lead screw seat, 3. Fine-tuning seat, 4. Lead screw, 5. Rotating shaft, 6. Driving gear, 7. Lead screw gear, 8. Translation seat, 9. Articulated frame, 10 , sleeve, 11, telescopic rod, 12, positioning knob, 13, projector host, 14, swivel base, 15, dustproof plate, 16, heat sink, 17, long hole for installation, 18, bearing, 19, handle, 20. Connecting seat, 21. Projector lens, 22. Remote control signal receiver, 23. Electric plug.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a hoisting projector with a fine-tuning function, including a mounting plate 1, a screw seat 2 is provided on the lower side of the mounting plate 1, and the mounting plate The other side of the lower part of 1 is provided with a fine-tuning seat 3, the screw seat 2 and the fine-tuning seat 3 are rotatably matched with a group of lead screws 4, the middle part of the fine-tuning seat 3 is provided with a rotating shaft 5, and the rotating shaft 5 is connected with the driving gear 6 Cooperate, described lead screw 4 one end is provided with lead screw gear 7, and described lead screw gear 7 is meshed with described driving gear 6, and described lead screw 4 is equipped with translation seat 8, and described translation seat 8 lower part is provided with Articulated frame 9 and sleeve 10, described sleeve 10 is sleeved with telescopic rod 11, and described telescopic rod 11 is fixed on described sleeve 10 by positioning knob 12, and described articulated frame 9 and described telescopic rod 11 The lower ends of the projectors are all hinged with the main projector 13, and one end of the main projector 13 is provided with a swivel seat 14, and the swivel seat 14 is rotatably matched with the hinged frame 9, and the other end of the main projector 13 is provided with a dustproof plate 15. The lower part of the projector main body 13 is provided with a heat sink 16, and a set of long installation holes 17 are opened on the installation board 1, and the installation board 1 is completed by cooperating with other connecting parts through the installation elongated holes 17. Fixedly connected with the ceiling, the screw 4 and the screw seat 2 and the fine-tuning seat 3 are rotatably matched by the bearing 18, and the rotating shaft 5 and the fine-tuning seat 3 are also rotatably matched by the bearing 18. One side of the driving gear 6 is provided with a handle 19, the handle 19 is eccentrically arranged on the driving gear 6, the upper part of the projector host 13 is provided with a connecting seat 20, and the connecting seat 20 is hinged with the telescopic rod 11, One end of the projector host 13 is provided with a projector lens 21, the dustproof plate 15 is arranged above the projector lens 21, and a remote control signal receiver 22 and an electric plug 23 are arranged on one side of the projector host 13 .

Working principle: When using the ceiling projector with fine-tuning function, the installation long hole 17 cooperates with the bolts and other connecting parts used for installation to fix the installation plate 1 on the ceiling. The design of the installation long hole 17 makes it more convenient for the bolts to Cooperate with the installation plate 1, when the drilling is deviated, the bolts will not be unable to cooperate with the long installation holes 17 due to the change of the hole distance, which reduces the accuracy requirements for drilling, and the user can shake the handle 19 to make the driving gear 6 rotate , the driving gear drives 6 moving lead screw gears 7 to rotate. At this time, the translation seat 8 installed on the lead screw 4 will realize translation while the lead screw 4 rotates, and the projector host 13 arranged below the translation seat 8 can follow the The translation seat 8 is moved back and forth to achieve the purpose of adjustment. At the same time, the rear end of the projector host 13 rotates and cooperates with the hinge frame 9 through the swivel seat 14, and the front part of the projector host 13 rotates and cooperates with the telescopic rod 11 through the connecting seat 20. Such a design The angle between the main projector 13 and the horizontal plane can be adjusted through the expansion and contraction of the telescopic rod 11. This design further widens the adjustment range of the projector, so that the projector can be flexibly adjusted both horizontally and vertically. , to meet the projection requirements.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A ceiling-mounted projector with a fine-tuning function, comprising a mounting plate (1), characterized in that: a screw seat (2) is provided on one side of the lower part of the mounting plate (1), and the lower part of the mounting plate (1) The other side is provided with a fine-tuning seat (3), the screw seat (2) and the fine-tuning seat (3) are rotatably matched with a group of lead screws (4), and the middle part of the fine-tuning seat (3) is provided with a rotating shaft (5 ), the rotating shaft (5) cooperates with the driving gear (6), and one end of the screw (4) is provided with a screw gear (7), and the screw gear (7) meshes with the driving gear (6) , the screw (4) is equipped with a translation seat (8), the lower part of the translation seat (8) is provided with a hinged frame (9) and a sleeve (10), and the sleeve (10) is sleeved There is a telescopic rod (11), and the telescopic rod (11) is fixed on the sleeve (10) through a positioning knob (12), and the lower ends of the hinged frame (9) and the telescopic rod (11) are connected with The main projector (13) is hinged, and one end of the main projector (13) is provided with a swivel seat (14), and the swivel seat (14) is rotatably matched with the hinged frame (9), and the main projector (13) ) is provided with a dustproof plate (15) at the other end, and a heat sink (16) is provided at the lower part of the projector host (13). 2. The ceiling-mounted projector with fine-tuning function according to claim 1, characterized in that: the installation plate (1) is provided with a set of long installation holes (17), and the installation plate (1) passes through the The installation slot (17) mentioned above cooperates with other connectors to complete the fixed connection between the installation board (1) and the ceiling. 3. A ceiling-mounted projector with fine-tuning function according to claim 1, characterized in that: the screw (4), the screw seat (2) and the fine-tuning seat (3) all pass through bearings (18) Rotational fit, the rotating shaft (5) and the fine-tuning seat (3) are also rotated through the bearing (18). 4. The ceiling-mounted projector with fine-tuning function according to claim 1, characterized in that: a handle (19) is provided on one side of the driving gear (6), and the handle (19) is on the side of the driving gear (6) Upper eccentric setting. 5. A ceiling-mounted projector with fine-tuning function according to claim 1, characterized in that: the upper part of the projector host (13) is provided with a connecting seat (20), and the connecting seat (20) is connected to the The telescopic rod (11) is hinged, the projector main body (13) is provided with a projector lens (21) at one end, the dustproof plate (15) is arranged above the projector lens (21), and the projector One side of the host (13) is provided with a remote control signal receiver (22) and an electric plug (23).