CN211318971U

CN211318971U - Adjustable projector for classroom

Info

Publication number: CN211318971U
Application number: CN201922315626.2U
Authority: CN
Inventors: 杨艳华; 齐晗利
Original assignee: Zhengzhou Tuohua Instrument Co ltd
Current assignee: Zhengzhou Tuohua Instrument Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-08-21
Anticipated expiration: 2029-12-21

Abstract

The utility model relates to a projection equipment technical field just discloses a projecting apparatus for classroom with adjustable, which comprises a roof, the lower part fixedly connected with connecting plate one at roof middle part, both sides fixedly connected with connecting plate two of connecting plate one, the lower part fixedly connected with telescopic link base of connecting plate one, the lower part of telescopic link base is fixed and has condensed telescopic link lift branch, the lower part fixedly connected with motor rotation axis of telescopic link lift branch, the lower part fixedly connected with gear one of motor rotation axis. This projecting apparatus for classroom with adjustable, through the inside that the telescopic link base control telescopic link lift branch can remove the projecting apparatus box to sealed box, through the inside that removes the projecting apparatus box to sealed box when not using for increase the leakproofness of device, less and the phenomenon of air contact, make the security that plays the clean and tidy nature of protection device projecting apparatus box surface and device.

Description

Adjustable projector for classroom

Technical Field

The utility model relates to a projection equipment technical field specifically is a projecting apparatus is used in classroom with adjustable.

Background

The projector is a device for projecting pictures and videos to a fixed wall surface, is frequently used in modern teaching, is fixed on a roof in the process of mounting a common projector, has certain problems in the use process of the existing projector, and is improved for the existing adjustable classroom projector.

In the projecting apparatus for classroom with adjustable it is current, common device projecting apparatus box is placed at fixed position for in long-time use, can lead to device surface and inside to cover more dust, make to cause the damage to the machine is inside, in the use, device gear housing upper portion fixed plate rotates around device telescopic link lift branch, makes with the gag lever post contact, and produces the friction between and need consume more power.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a projecting apparatus for classroom with adjustable, possess the frictional force that reduces the rotation and produce and less dust falls to the advantage on the surface of device, it places at fixed position to have solved common device projecting apparatus box, make in long-time use, can lead to device surface and inside to cover more dust, make to cause the damage to the machine is inside, in the use, device gear housing upper portion fixed plate rotates around device telescopic link lift branch, make and the gag lever post contact, and produce the friction between and, need consume the problem of more power.

The utility model provides a following technical scheme: an adjustable classroom projector comprises a roof, wherein a first connecting plate is fixedly connected to the lower part of the middle part of the roof, a second connecting plate is fixedly connected to two sides of the first connecting plate, a telescopic rod base is fixedly connected to the lower part of the first connecting plate, a telescopic rod lifting support rod is fixed to the lower part of the telescopic rod base, a motor rotating shaft is fixedly connected to the lower part of the telescopic rod lifting support rod, a first gear is fixedly connected to the lower part of the motor rotating shaft, a gear connecting shell is movably sleeved on the lower part of the first gear, a projector box body is fixedly connected to the lower part of the gear connecting shell, a projection radiation head is fixedly connected to the front side of the projector box body, a limiting rod is fixedly connected to the outer part of the lower side of the motor rotating shaft, a gear shell upper fixing plate is fixedly connected to the upper part of, the other side of the lower part of the upper fixing plate of the gear shell is fixedly connected with a ball fixing splint, the middle part of the lower part of the ball fixing splint is fixedly connected with a ball movable positioning column, the middle part of one side of the lower part of the ball fixing splint is fixedly connected with a ball, one side of the lower part of the connecting plate II is fixedly connected with a sealing box body, one side of the inner part of the lower part of the sealed box body is fixedly connected with a motor supporting frame, the upper part of the motor supporting frame is fixedly connected with a motor, the middle part of the back of the motor is fixedly connected with a motor connecting post, the outer part of the motor connecting post is fixedly connected with a gear II, a second gear placing groove is formed in the lower portion of the sealed box body, a movable groove is formed in the lower portion of the second gear, the inner part of the movable groove is fixedly connected with movable groove supporting legs, and the lower parts of the movable groove supporting legs are fixedly connected with bottom closing valves.

Preferably, the telescopic link base is of a telescopic link structure, the projector box body can be moved to the inside of the sealed box body, and when the projector box body is moved to the inside of the sealed box body, the lower part of the projector box body is fixed on the upper part of the bottom closing valve.

Preferably, the inside of telescopic link lift branch is equipped with the motor, and the lower part fixedly connected with motor axis of rotation of telescopic link lift branch, the lower part fixedly connected with gear of motor axis of rotation is one, and a gear joint is in the inside of gear connection shell, and can drive the gear connection shell and rotate.

Preferably, the limiting rod is fixedly connected to the outer side of the lower portion of the telescopic rod lifting support rod, a sliding groove is formed in one side of the upper portion of the limiting rod, the ball movable positioning column can move inside the sliding groove, and the ball penetrates through the ball fixing clamping plate and is movably sleeved in the middle of the ball movable positioning column.

Preferably, the upper portions of the second gear and the movable groove supporting legs are respectively connected with a gear and a clamping groove, the middle portion of the second gear is fixedly connected with a motor connecting column, the motor connecting column is fixedly connected to the middle portion of a motor, and the movable groove supporting legs are connected to the inner portion of the movable groove in a clamped mode.

Preferably, the projection radiation head is fixedly connected to one side of the front face of the projector box, and a projection device is arranged in the projection radiation head and can project images to the front end of the device.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this projecting apparatus for classroom with adjustable, through the inside that the telescopic link base control telescopic link lift branch can remove the projecting apparatus box to sealed box, through the inside that removes the projecting apparatus box to sealed box when not using for increase the leakproofness of device, less and the phenomenon of air contact, make the security that plays the clean and tidy nature of protection device projecting apparatus box surface and device.

2. This projecting apparatus for classroom with adjustable, the spout has been seted up through the inside of gag lever post, make the inside activity of the spout that ball activity reference column was seted up on gag lever post upper portion, in the use, the spout has been seted up through the upper portion at the gag lever post, and there are ball activity reference column and ball solid fixed splint on the upper portion fixed mounting of spout, make the upper portion fixed connection with ball solid fixed splint on gear housing upper portion fixed plate, make at the in-process that moves about, roll through ball activity reference column and rotate, make the frictional force between the device, use pivoted convenience more and swift.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

fig. 3 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1. a roof; 2. a first connecting plate; 3. a second connecting plate; 4. a telescopic rod base; 5. the telescopic rod lifts the supporting rod; 6. a motor rotating shaft; 7. a first gear; 8. the gear is connected with the shell; 9. a projector case; 10. a projection radiation head; 11. a limiting rod; 12. a gear housing upper portion fixing plate; 13. fixing a nut; 14. the ball fixing clamp plate; 15. a ball movable positioning column; 16. a ball bearing; 17. sealing the box body; 18. A motor support frame; 19. a motor; 20. a motor connecting column; 21. a second gear; 22. a second gear placing groove; 23. a movable groove; 24. a movable groove supporting leg; 25. the bottom closes the valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an adjustable classroom projector includes a roof 1, a first connecting plate 2 fixedly connected to a lower portion of a middle portion of the roof 1, a second connecting plate 3 fixedly connected to both sides of the first connecting plate 2, a telescopic rod base 4 fixedly connected to a lower portion of the first connecting plate 2, a telescopic rod lifting support rod 5 fixedly condensed to a lower portion of the telescopic rod base 4, a motor rotating shaft 6 fixedly connected to a lower portion of the telescopic rod lifting support rod 5, a first gear 7 fixedly connected to a lower portion of the motor rotating shaft 6, a gear connecting housing 8 movably sleeved to a lower portion of the first gear 7, a projector housing 9 fixedly connected to a lower portion of the gear connecting housing 8, a projection radiation head 10 fixedly connected to a front surface of the projector housing 9, a limiting rod 11 fixedly connected to an outer portion of a lower side of the motor rotating shaft 6, and a gear housing, the upper part of a gear housing upper part fixing plate 12 is fixedly connected with a fixing nut 13, the other side of the lower part of the gear housing upper part fixing plate 12 is fixedly connected with a ball fixing splint 14, the middle part of the lower part of the ball fixing splint 14 is fixedly connected with a ball movable positioning column 15, the middle part of one side of the lower part of the ball fixing splint 14 is fixedly connected with a ball 16, one side of the lower part of a connecting plate II 3 is fixedly connected with a sealing box body 17, one side of the inner part of the lower part of the sealing box body 17 is fixedly connected with a motor supporting frame 18, the upper part of the motor supporting frame 18 is fixedly connected with a motor 19, the middle part of the back of the motor 19 is fixedly connected with a motor connecting column 20, the outer part of the motor connecting column 20 is fixedly connected with a, the lower part of the movable groove supporting leg 24 is fixedly connected with a bottom closing valve 25.

Wherein, the telescopic rod base 4 is a telescopic rod structure, the projector box 9 can be moved to the inside of the sealed box 17, and when the projector box 9 is moved to the inside of the sealed box 17, the lower part of the projector box 9 is fixed on the upper part of the bottom closing valve 25, the telescopic rod base 4 and the telescopic rod lifting support rod 5 form a telescopic structure, the projector box 9 can be moved to the inside of the sealed box 17 by controlling the lifting of the telescopic rod lifting support rod 5 through the telescopic rod base 4, so that in the using process, the common device projector box 9 is placed at a fixed position, so that in the long-time using process, the surface and the inside of the device can be covered by more dust, the inside of the machine can be damaged, therefore, the sealing performance of the device can be increased by moving the projector box 9 to the inside of the sealed box 17 when the device is not in use, the phenomenon of contact with air is small, so that the cleanness of the surface of the projector box body 9 and the safety of the device are protected.

Wherein, the inside of telescopic link lift branch 5 is equipped with the motor, and the lower part fixedly connected with motor axis of rotation 6 of telescopic link lift branch 5, the lower part fixedly connected with gear 7 of motor axis of rotation 6, and the inside of a 7 joints of gear at gear connection shell 8, and can drive gear connection shell 8 and rotate, through being equipped with the motor in the inside at device telescopic link lift branch 5, make drive arrangement projecting apparatus box 9 device, in the use, the inside through device telescopic link lift branch 5 drives the motor, drive 7 rotations of a gear of 5 lower parts of device telescopic link lift branch, drive arrangement projecting apparatus box 9 device through a 7 gears, make in the use, flexibility and the security through the inside motor multiplicable device of telescopic link lift branch 5.

Wherein, the limiting rod 11 is fixedly connected to the outer side of the lower part of the telescopic rod lifting support rod 5, and one side of the upper part of the limiting rod 11 is provided with a chute, and the ball movable positioning column 15 can move in the chute, wherein the ball 16 passes through the ball fixed splint 14 and is movably sleeved in the middle of the ball movable positioning column 15, the chute is arranged in the limiting rod 11, so that the ball movable positioning column 15 moves in the chute arranged on the upper part of the limiting rod 11, in the using process, the device gear housing upper part fixed plate 12 rotates around the device telescopic rod lifting support rod 5, so as to be contacted with the limiting rod 11, and generate friction between the two, and need to consume more force, therefore, in the using process, the upper part of the ball fixed splint 14 is fixedly connected on the gear housing upper part fixed plate 12 by arranging the chute on the upper part of the limiting rod 11, and fixedly installing the ball movable positioning column 15, the ball movable positioning column 15 can rotate in a rolling mode in the moving process, so that friction between devices is enabled to be more convenient and quicker to use and rotate.

Wherein, the upper portions of the second gear 21 and the movable groove supporting legs 24 are respectively connected with a gear and a clamping groove, and the middle part fixedly connected with motor connecting column 20 of the second gear 21, the motor connecting column 20 is fixedly connected at the middle part of the motor 19, and the movable groove supporting legs 24 are connected in the movable groove 23, the upper portions of the second gear 21 and the movable groove supporting legs 24 are connected with the gear and the clamping groove, so that in the using process, the bottom closing valve 25 is driven to move towards the middle part through the linkage relation between the second gear 21 and the movable groove supporting legs 24, therefore, in the using process, only the motor 19 needs to be started, the device bottom closing valve 25 can be driven to move, so that the effect of convenient operation is achieved, meanwhile, the bottom of the device sealing box body 17 can be sealed in the using process, and the sealing performance and the practicability of the.

Wherein, projection radiation head 10 fixed connection is in the positive one side of projecting apparatus box 9, and the inside projection arrangement that is equipped with of projection radiation head 10, can project the image to the front end of device, has projection radiation head 10 through the positive one side fixed mounting at device projecting apparatus box 9 for in the use, accessible projection radiation head 10 throws the projection at the wall, makes the practicality of increase device.

The working principle is as follows: during the use, can drive the device and carry out the device through the point of controlling inside telescopic link lift branch 5 is separated, the inside ball activity reference column 15 of device simultaneously can reduce the frictional resistance who rotates the in-process, make pivoted more visible convenient and swift, simultaneously in the use through the flexible of control telescopic link base 4 and telescopic link lift branch 5, but automatic regulating apparatus's rising and decline, start motor 19 simultaneously, make to drive bottom shut-off valve 25 and remove to the middle part, increase the leakproofness of device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, in the drawings of the present invention, the filling pattern is only for distinguishing the pattern layer, and is not limited to any other pattern.

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

Claims

1. An adjustable classroom projector comprises a roof (1), and is characterized in that: the lower part of the middle part of the roof (1) is fixedly connected with a first connecting plate (2), two sides of the first connecting plate (2) are fixedly connected with a second connecting plate (3), the lower part of the first connecting plate (2) is fixedly connected with a telescopic rod base (4), the lower part of the telescopic rod base (4) is fixedly condensed with a telescopic rod lifting support rod (5), the lower part of the telescopic rod lifting support rod (5) is fixedly connected with a motor rotating shaft (6), the lower part of the motor rotating shaft (6) is fixedly connected with a first gear (7), the lower part of the first gear (7) is movably sleeved with a gear connecting shell (8), the lower part of the gear connecting shell (8) is fixedly connected with a projector box body (9), the front of the projector box body (9) is fixedly connected with a projection radiation head (10), and the outer part of the lower side of the motor rotating, the upper portion fixedly connected with gear housing upper portion fixed plate (12) of gear connection shell (8), the upper portion fixedly connected with fixation nut (13) of gear housing upper portion fixed plate (12), opposite side fixedly connected with ball solid fixed splint (14) of gear housing upper portion fixed plate (12) lower part, middle part fixedly connected with ball activity reference column (15) of ball solid fixed splint (14) lower part, the middle part fixedly connected with ball (16) of ball solid fixed splint (14) lower part one side, one side fixedly connected with seal box (17) of connecting plate two (3) lower part, one side fixedly connected with motor support frame (18) of seal box (17) lower part inside, the upper portion fixedly connected with motor (19) of motor support frame (18), the middle part fixedly connected with motor spliced pole (20) at the motor (19) back, the outside fixedly connected with gear two (21) of motor spliced pole (20), two standing grooves of gear (22) have been seted up to the lower part of sealed box (17), movable groove (23) have been seted up to the lower part of gear two (21), the inside fixedly connected with movable groove supporting leg (24) of movable groove (23), valve (25) are closed to the lower part fixedly connected with bottom of movable groove supporting leg (24).

2. The adjustable classroom projector as defined in claim 1, wherein: the telescopic rod base (4) is of a telescopic rod structure, the projector box body (9) can be moved to the inside of the sealing box body (17), and when the projector box body (9) is moved to the inside of the sealing box body (17), the lower portion of the projector box body (9) is fixed to the upper portion of the bottom closing valve (25).

3. The adjustable classroom projector as defined in claim 1, wherein: the inside of telescopic link lift branch (5) is equipped with the motor, and the lower part fixedly connected with motor shaft (6) of telescopic link lift branch (5), the lower part fixedly connected with gear (7) of motor shaft (6), and gear (7) joint is in the inside of gear connection shell (8), and can drive gear connection shell (8) and rotate.

4. The adjustable classroom projector as defined in claim 1, wherein: the limiting rod (11) is fixedly connected to the outer side of the lower portion of the telescopic rod lifting support rod (5), a sliding groove is formed in one side of the upper portion of the limiting rod (11), the ball movable positioning column (15) can move inside the sliding groove, and the balls (16) penetrate through the ball fixing clamping plates (14) and are movably sleeved in the middle of the ball movable positioning column (15).

5. The adjustable classroom projector as defined in claim 1, wherein: the upper portions of the second gear (21) and the movable groove supporting legs (24) are respectively connected with a gear and a clamping groove, the middle portion of the second gear (21) is fixedly connected with a motor connecting column (20), the motor connecting column (20) is fixedly connected to the middle portion of a motor (19), and the movable groove supporting legs (24) are connected to the inner portion of the movable groove (23) in a clamped mode.

6. The adjustable classroom projector as defined in claim 1, wherein: the projection radiation head (10) is fixedly connected to one side of the front face of the projector box body (9), and a projection device is arranged in the projection radiation head (10) and can project images to the front end of the device.