Mounting structure of computer office projection equipment
Technical Field
The utility model relates to the technical field of projection equipment, in particular to an installation structure of computer office projection equipment.
Background
A projector, also called a projector, is a device capable of projecting images or videos onto a curtain, and playing corresponding video signals by connecting different interfaces with a computer, VCD, DVD, BD, a game machine, a DV and the like. Projectors are widely used in homes, offices, schools and entertainment places, and according to different working modes, different types of projectors such as CRT, LCD, DLP and the like, projectors with weight lower than two kilograms are generally defined as business portable projectors, and the weight of the projectors is different from that of light and thin notebook computers. The portable projector for business has the advantages of small size, light weight and strong mobility, is a substitute for the traditional slide projector and large and medium-sized projectors, is matched with the portable projector for business, is the preferred matching of mobile business users when carrying out mobile business demonstration, has larger projection area, farther distance and higher brightness compared with the main current common projector, generally supports a multi-bulb mode, can better cope with large and changeable installation environments, and is very suitable for the fields of education, media, government and the like.
Because most of the existing projector mounting brackets are iron support brackets with simple structures and single functions, the brackets lack of adjustability, the angle adjustment is inconvenient if required when the projection equipment is used for projection, dust in the air is easy to enter the projection equipment after the projection equipment is used for a long time, and internal parts of the projection equipment are damaged; therefore, there is a need to provide a mounting structure for a computer office projection apparatus.
Disclosure of utility model
The utility model aims to provide an installation structure of a computer office projection device, wherein the front end of the projection device is lifted up through the upward expansion of a second electric push rod, so that the projection range of the projection device is moved up, the front end of the projection device is pressed down through the downward expansion of a third electric push rod, so that the projection range of the projection device is moved down, the adjustability of the installation structure of the projection device is improved, and the upward moving plate and the downward moving plate are driven to approach through two groups of rotating motors, so that dust in air is prevented from entering the projection device, the damage of internal parts of the projection device is avoided, and the problems in the background art are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mounting structure of computer office projection equipment, includes the projection mounting box, fixed surface is connected with first electric putter on the projection mounting box, the inside projection equipment that is provided with of projection mounting box, the fixed a plurality of groups second electric putter that are provided with in projection mounting box bottom, the fixed a plurality of groups third electric putter that are provided with in projection mounting box inner top, the fixed two sets of rotating electrical machines that are provided with in projection mounting box inner bottom and are located projection mounting box both sides, projection mounting box side and be located rotating electrical machines one side slip and be provided with the board that moves up and move down.
Preferably, the two groups of rotary motor output ends are all connected with transmission gears in a key way, and one side of each transmission gear, which is close to the inner side wall of the projection installation box, is provided with a driven toothed plate in a meshed mode.
Preferably, two groups of driven toothed plates are fixedly arranged on one side far away from the rotating motor, one group of driven toothed plates are fixedly connected with the inner side of the upward moving plate, and the other group of driven toothed plates are fixedly connected with the inner side of the downward moving plate.
Preferably, the projection equipment upper surface fixedly connected with connecting cover, the inside spliced pole that is provided with of connecting cover, the one end fixedly connected with swivel ball that the spliced pole is located the inside of connecting cover.
Preferably, a projection camera is arranged on one side, close to the upward moving plate, of the projection device, the second electric push rod is located on the lower portion of the projection device and close to the projection camera, the third electric push rod is located on the upper portion of the projection device, and the position of the third electric push rod corresponds to that of the second electric push rod.
Preferably, the upper surface of the projection mounting box is provided with a sliding groove corresponding to the upward moving plate, and the lower surface of the projection mounting box is provided with another group of sliding grooves corresponding to the downward moving plate.
Preferably, one end of the connecting column is contacted with the inner top of the projection mounting box, and the top of the connecting cover is provided with a movable opening.
Compared with the prior art, the utility model has the beneficial effects that:
1. The utility model enables the projection range of the projection equipment to move upwards by the upward expansion of the second electric push rod and the upward movement of the rotating ball in the connecting cover, and enables the projection range of the projection equipment to move downwards by the downward expansion of the third electric push rod, and enables the projection range of the projection equipment to move downwards.
2. According to the utility model, the transmission gear is driven by the rotating motor to rotate, the driven toothed plates are driven by the transmission gear to move up and down, the two groups of driven toothed plates drive the up-moving plate and the down-moving plate to move up and down through the connecting block, after the projection equipment is used, one group of driven toothed plates move down and drive the up-moving plate to move down through the connecting block, and the other group of driven toothed plates move up and drive the down-moving plate to move up through the connecting block, so that the up-moving plate and the down-moving plate are attached, dust in the air is prevented from entering the projection equipment, the internal parts of the projection equipment are further protected, and the service life of the projection equipment is prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the utility model for opening a moving plate;
FIG. 3 is a schematic view showing the internal structure of the projection mounting box of the present utility model;
FIG. 4 is a schematic view of the internal structure of the connecting cover of the present utility model.
In the figure: 1. a first electric push rod; 2. a projection mounting box; 3. moving up the plate; 4. a downward moving plate; 5. a projection device; 6. a second electric push rod; 7. a rotating electric machine; 8. a transmission gear; 9. a driven toothed plate; 10. a third electric push rod; 11. a connection cover; 12. a connecting column; 13. a connecting block; 14. a projection camera; 15. a rotating ball; 16. a sliding groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present utility model provides: 1-4, including projection mounting box 2, projection mounting box 2 upper surface fixedly connected with first electric putter 1, projection mounting box 2 inside is provided with projection equipment 5, and projection mounting box 2 in-bottom is fixed to be provided with a plurality of groups of second electric putter 6, and projection mounting box 2 in-top is fixed to be provided with a plurality of groups of third electric putter 10, and projection mounting box 2 in-bottom just is located projection mounting box 2 both sides and fixedly is provided with two sets of rotating electrical machines 7, and projection mounting box 2 side just is located rotating electrical machines 7 one side and slides and be provided with to move up board 3 and move down board 4.
As the preference, two sets of rotating electrical machines 7 output all key connection has drive gear 8, one side that drive gear 8 is close to projection mounting box 2 inside wall all meshes and is provided with driven pinion 9, the tooth mesh of drive gear 8 outside tooth and driven pinion 9 tooth, drive gear 8 when rotating electrical machines 7 starts and rotate, thereby drive driven pinion 9 reciprocates, and driven pinion 9 one side is laminated with projection mounting box 2 inner wall, thereby further strengthen driven pinion 9 and drive gear 8's meshing stability, avoid drive gear 8 idle running unable drive driven pinion 9 removal.
It is worth noting that the two groups of driven toothed plates 9 are fixedly provided with connecting blocks 13 on one side far away from the rotating motor 7, one group of connecting blocks 13 are fixedly connected with the inner side of the upward moving plate 3, the other group of connecting blocks 13 are fixedly connected with the inner side of the downward moving plate 4, when one group of driven toothed plates 9 move upwards, the corresponding connecting blocks 13 are driven to move upwards so as to drive the downward moving plate 4, when the other group of driven toothed plates 9 move downwards, the corresponding connecting blocks 13 are driven to move downwards so as to drive the upward moving plate 3 to move downwards, the upward moving plate 3 and the downward moving plate 4 are attached, dust in air is prevented from entering the projection equipment 5, mechanical parts in the projection equipment 5 are protected, and the service life of the projection equipment 5 is prolonged.
Further, projection equipment 5 upper surface fixedly connected with connecting cover 11, the inside spliced pole 12 that is provided with of connecting cover 11, the one end fixedly connected with dwang 15 that spliced pole 12 is located the inside of connecting cover 11, projection equipment 5 is fixed in projection mounting box 2 interior top through spliced pole 12, and when projection equipment 5 anterior segment reciprocates, dwang 15 rotates in the inside of connecting cover 11 to guarantee that projection equipment 5 can carry out the angle modulation.
Further, a projection camera 14 is disposed on one side of the projection device 5 near the up-moving plate 3, the second electric push rod 6 is disposed at the lower portion of the projection device 5 and near the projection camera 14, the third electric push rod 10 is disposed at the upper portion of the projection device 5, and the position of the third electric push rod 10 corresponds to the second electric push rod 6, when the second electric push rod 6 and the third electric push rod 10 are telescopic, both the second electric push rod 6 and the third electric push rod 10 are in contact with the projection device 5, when the second electric push rod 6 is telescopic upwards, the second electric push rod 6 is in contact with the bottom of the projection device 5, and the front section of the projection device 5 is lifted upwards, so that the projection range is moved upwards, when the third electric push rod 10 is telescopic downwards, the third electric push rod 10 is in contact with the upper surface of the projection device 5, and the front section of the projection device 5 is pressed downwards, so that the projection range is moved downwards, and the projection device 5 can be subjected to angle adjustment, so that the adjustability of the whole installation structure is improved.
In addition, the sliding tray 16 corresponding to the upward moving plate 3 is provided on the upper surface of the projection mounting box 2, another set of sliding tray 16 corresponding to the downward moving plate 4 is provided on the lower surface of the projection mounting box 2, the upward moving plate 3 moves up and down in the corresponding sliding tray 16, the downward moving plate 4 moves up and down in the corresponding sliding tray 16, and sealing rubber strips are provided at the two sets of sliding tray 16, so that moisture is prevented from entering the projection device 5, and the safety of the projection device 5 is further protected.
Specifically, one end of the connecting column 12 is contacted with the inner top of the projection mounting box 2, the top of the connecting cover 11 is provided with a movable opening, the diameter of the movable opening is smaller than that of the rotating ball 15 and larger than that of the connecting column 12, so that the connecting column 12 is ensured to drive the projection device 5 to move up and down, and meanwhile, the rotating ball 15 is ensured to rotate inside the connecting cover 11, so that the projection range of the projection device 5 can move up and down.
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.