CN210344803U

CN210344803U - Automatic displacement structure of projection lens

Info

Publication number: CN210344803U
Application number: CN201921198745.8U
Authority: CN
Inventors: 徐苏宾
Original assignee: Shenzhen Ketu Laser Display Technology Co Ltd
Current assignee: Shenzhen Ketu Laser Display Technology Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-17
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses an automatic displacement structure of a projection lens, which comprises a box body, a projector body and a displacement adjusting structure, wherein the left end of the box body is closed, the right end of the box body is opened, a support leg is arranged at the bottom end of the box body, and two guide support rods are arranged in the support leg; the projector body is arranged in the box body and positioned above the guide supporting rod, the bottom of the projector body is provided with a fixed plate, and the fixed plate is provided with a displacement sensor; the guide support rod is slidably sleeved with a guide pipe, the guide pipe can move along the length direction of the guide support rod, and a rack is arranged at the bottom end of the guide pipe; the displacement adjusting structure comprises a driving box and a control device, the driving box is installed at the right end of the box body, a motor, a first rotating shaft, a second rotating shaft and a gear are arranged in the driving box, the output end of the motor is connected with the first rotating shaft, and the first rotating shaft is connected with a first belt pulley and the gear. The utility model discloses novel structure can be through the displacement of adjustment projecting apparatus and then adjust projection lens's displacement, can satisfy user's demand.

Description

Automatic displacement structure of projection lens

Technical Field

The utility model relates to a projecting apparatus technical field specifically is an automatic displacement structure of projecting lens.

Background

The projector, also known as a projector, is a device capable of projecting images or videos onto a projection screen, and the images or videos projected onto the screen are magnified several times or tens of times under the condition of keeping definition, so that the projector is convenient for people to watch and also provides people with a wide visual field. At present, projectors are miniaturized for the convenience of carrying by users, wherein, DLP, LCOS and the like have been introduced in many cases to portable handheld micro projector products or micro projection modules embedded in handheld mobile devices and the like. Projectors can be classified into: home theater type projectors, business portable type projectors, professional theater type projectors, measurement projectors.

The conventional projector is generally fixed, cannot move, can only project at the same position, and has a limited application range.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic displacement structure of projection lens to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic displacement structure of a projection lens comprises a box body, a projector body and a displacement adjusting structure, wherein the left end of the box body is closed, the right end of the box body is open, a support leg is arranged at the bottom end of the box body, and two guide support rods are arranged in the support leg; the projector body is arranged in the box body and positioned above the guide supporting rod, the bottom of the projector body is provided with a fixed plate, and the fixed plate is provided with a displacement sensor; the guide support rod is slidably sleeved with a guide pipe, the guide pipe can move along the length direction of the guide support rod, and a rack is arranged at the bottom end of the guide pipe; the displacement adjusting structure comprises a driving box and a control device, the driving box is installed at the right end of the box body, a motor, a first rotating shaft, a second rotating shaft and a gear are arranged in the driving box, the output end of the motor is connected with the first rotating shaft, and the first rotating shaft is connected with a first belt pulley and the gear.

Preferably, the second rotating shaft is connected with a second belt pulley and a gear, the second belt pulley is linked with the first belt pulley through a belt, and the first rotating shaft is matched with the gear and the rack which are connected with the second rotating shaft and driven by the first belt pulley and the second belt pulley to rotate.

Preferably, two electric telescopic handle are installed to the top portion that the rack was kept away from to the stand pipe, and the fixed plate is connected to the electric telescopic handle output.

Preferably, one end of each guide supporting rod, which is far away from the box body, is provided with a stop block, and a supporting rod is connected between the guide pipes which are sleeved on the two guide supporting rods in a sliding manner.

Preferably, the control device is installed outside the box body, the input end of the control device is connected with the displacement sensor, and the output end of the control device is connected with the motor and the electric telescopic rod.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses novel structure can be through the displacement of adjustment projecting apparatus and then adjust the displacement of projection camera lens, can satisfy user's demand, the lateral displacement of projecting apparatus camera lens can pass the starter motor, make the motor drive pivot one and rotate, the belt pulley one in the pivot one links belt pulley two through the belt, and make pivot two rotate, the gear on pivot one and the pivot two rotates thereupon, the gear meshes in the rack, its drive stand pipe moves along the guide support rod, the stand pipe drives the projector body to move and then drives the lateral displacement of projecting apparatus camera lens; when the vertical displacement of projecting apparatus camera lens, start electric telescopic handle, electric telescopic handle drives the fixed plate and removes, and then drives projecting apparatus and the vertical displacement of projecting apparatus camera lens on the fixed plate, through setting up displacement sensor, the vertical and lateral displacement of displacement sensor detectable fixed plate, its cooperation controlling means can realize automatically regulated.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a box body; 2. a projector body; 3. a guide strut; 31. a stopper; 4. a fixing plate; 41. a displacement sensor; 5. a guide tube; 51. a rack; 6. a drive box; 61. a first rotating shaft; 62. a second rotating shaft; 63. a first belt pulley; 64. a second belt pulley; 65. a gear; 7. a control device; 8. an electric telescopic rod.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: an automatic displacement structure of a projection lens comprises a box body 1, a projector body 1 and a displacement adjusting structure, wherein the left end of the box body 1 is closed, the right end of the box body 1 is opened, a support leg is arranged at the bottom end of the box body 1, and two guide support rods 3 are arranged in the support leg; the projector body 2 is arranged in the box body 1 and positioned above the guide supporting rod 3, the bottom of the projector body 2 is provided with a fixed plate 4, and the fixed plate 4 is provided with a displacement sensor 41; the guide support rod 3 is slidably sleeved with a guide pipe 5, the guide pipe 5 can move along the length direction of the guide support rod 3, and the bottom end of the guide pipe 5 is provided with a rack 51; the displacement adjusting structure comprises a driving box 6 and a control device 7, wherein the driving box 6 is installed at the right end of the box body 1 and is internally provided with a motor, a first rotating shaft 61, a second rotating shaft 62 and a gear 65, the output end of the motor is connected with the first rotating shaft 61, and the first rotating shaft 61 is connected with a first belt pulley 63 and the gear 65.

The second rotating shaft 62 is connected with a second belt pulley 64 and a gear 65, the second belt pulley 64 is linked with the first belt pulley 63 through a belt, and the first rotating shaft 61 is matched with the gear 65 connected with the second rotating shaft 62 and the rack 51 and is driven by the first belt pulley 63 and the second belt pulley 64 to rotate.

Two electric telescopic rods 8 are installed at the top end part of the guide pipe 5 far away from the rack 51, and the output end of each electric telescopic rod 8 is connected with the fixing plate 4.

The end of the guide support rod 3 far away from the box body 1 is provided with a stop block 31, and a support rod is connected between the guide pipes 5 which are sleeved on the two guide support rods 3 in a sliding manner.

The control device 7 is arranged outside the box body 1, the input end of the control device 7 is connected with the displacement sensor 41, and the output end of the control device 7 is connected with the motor and the electric telescopic rod 8.

The working principle is as follows:

the projector body 2 of the utility model is arranged in the box body 1 and above the guide supporting rod 3, the bottom of the projector body 2 is provided with the fixed plate 4, and the fixed plate 4 is provided with the displacement sensor 41; the transverse displacement of the projector lens can be realized by starting a motor, so that the motor drives a first rotating shaft 61 to rotate, a first belt pulley 63 on the first rotating shaft 61 is linked with a second belt pulley 64 through a belt, the second rotating shaft 62 rotates, the first rotating shaft 61 and a gear 65 on the second rotating shaft 62 rotate along with the first rotating shaft, the gear 65 is meshed with a rack 51, the rack drives a guide pipe 5 to move along a guide supporting rod 3, and the guide pipe 5 drives a projector body 2 to move so as to drive the projector lens to transversely displace; when the vertical displacement of projecting apparatus camera lens, start electric telescopic handle 8, electric telescopic handle 8 drives fixed plate 4 and removes, and then drive projecting apparatus and the vertical displacement of projecting apparatus camera lens on the fixed plate 4, through setting up displacement sensor 41, the vertical and horizontal displacement of displacement sensor 41 detectable fixed plate 4, its cooperation controlling means 7 can realize automatically regulated, novel structure, and displacement that can then adjust projecting lens through the displacement of adjustment projecting apparatus, user's demand can be satisfied.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.

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 automatic displacement structure of a projection lens is characterized by comprising a box body (1), a projector body (2) and a displacement adjusting structure, wherein the left end of the box body (1) is closed, the right end of the box body is opened, a support leg is installed at the bottom end of the box body (1), and two guide support rods (3) are installed in the support leg; the projector body (2) is arranged in the box body (1) and is positioned above the guide supporting rod (3), the bottom of the projector body (2) is provided with a fixed plate (4), and the fixed plate (4) is provided with a displacement sensor (41); the guide support rod (3) is slidably sleeved with a guide pipe (5), the guide pipe (5) can move along the length direction of the guide support rod (3), and the bottom end of the guide pipe is provided with a rack (51); the displacement adjusting structure comprises a driving box (6) and a control device (7), the driving box (6) is installed at the right end of the box body (1) and is internally provided with a motor, a first rotating shaft (61), a second rotating shaft (62) and a gear (65), the output end of the motor is connected with the first rotating shaft (61), and the first rotating shaft (61) is connected with a first belt pulley (63) and the gear (65).

2. The automatic displacement structure of a projection lens of claim 1, wherein: the second rotating shaft (62) is connected with a second belt pulley (64) and a gear (65), the second belt pulley (64) is linked with the first belt pulley (63) through a belt, the first rotating shaft (61) is matched with the rack (51) through the gear (65) connected with the second rotating shaft (62), and the first rotating shaft (63) and the second belt pulley (64) are driven to rotate.

3. The automatic displacement structure of a projection lens of claim 1, wherein: two electric telescopic rods (8) are installed at the top end part of the guide pipe (5) far away from the rack (51), and the output end of each electric telescopic rod (8) is connected with the fixing plate (4).

4. The automatic displacement structure of a projection lens of claim 1, wherein: one end of each guide support rod (3) far away from the box body (1) is provided with a stop block (31), and a support rod is connected between the guide pipes (5) which are sleeved on the two guide support rods (3) in a sliding manner.

5. The automatic displacement structure of a projection lens of claim 1, wherein: the control device (7) is installed outside the box body (1), the input end of the control device (7) is connected with the displacement sensor (41), and the output end of the control device is connected with the motor and the electric telescopic rod (8).