CN210860331U

CN210860331U - Angle adjusting structure of projector

Info

Publication number: CN210860331U
Application number: CN201921113939.3U
Authority: CN
Inventors: 李锦富
Original assignee: Guangdong Tianyi Electronic Technology Co ltd
Current assignee: Guangdong Tianyi Electronic Technology Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-06-26
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a projecting apparatus angle modulation structure, including stand, lifting pedestal and projecting apparatus, the inner chamber of bottom mount pad is equipped with first elevator motor, first elevator motor's output is equipped with the one end of lead screw, the cover is equipped with lifting pedestal on the stand, the middle part of connecting seat is equipped with the first through-hole that from top to bottom runs through, the other end of lead screw runs through first through-hole, lifting pedestal's upper surface edge is equipped with the slide rail, lifting pedestal's lower surface edge is equipped with cyclic annular ring gear, slide rail sliding connection has the rotation to adjust the seat, be equipped with driving motor in the lower pedestal, bevel gear and cyclic annular ring gear intermeshing, the lateral wall of going up the pedestal articulates there is electric telescopic handle's one end, electric telescopic handle's the other end is articulated with the projecting apparatus. The utility model discloses can realize adjusting the direction of the height of projecting apparatus and multi-angle, satisfy the user demand of user to the projecting apparatus.

Description

Angle adjusting structure of projector

Technical Field

The utility model relates to a projecting apparatus technical field, concrete field is a projecting apparatus angle modulation structure.

Background

The projecting apparatus often needs to adjust projection angle when using, and the projecting apparatus that uses at present mostly adopts pad foot and casing screwed connection, adjusts pad foot height through rotating the pad foot, lifts up the projecting apparatus front end during the regulation, and it is inconvenient to adjust, and often need lift up many times to adjust just can reach the regulation demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projecting apparatus angle modulation structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a projector angle adjusting structure comprises a stand column, a lifting base and a projector, wherein the lower end of the stand column is provided with a bottom mounting seat, an inner cavity of the bottom mounting seat is provided with a first lifting motor, the output end of the first lifting motor is provided with one end of a lead screw, a lifting cavity is arranged inside the stand column, sliding grooves are formed in two sides of the lifting cavity, the stand column is sleeved with the lifting base, the middle of the lifting base is provided with a mounting opening, a connecting seat is arranged in the mounting opening, a plurality of balls are arranged at two ends of the side wall of the connecting seat, the balls are matched with the sliding grooves for use, through the arrangement of the balls, the abrasion between the connecting seat and a sliding rail during moving can be reduced, a first through hole penetrating through the middle of the connecting seat from top to bottom is formed in the middle of the connecting seat, the other end of the lead screw penetrates, the edge of the upper surface of the lifting base is provided with a slide rail, the edge of the lower surface of the lifting base is provided with an annular gear ring, the slide rail is connected with a rotation adjusting seat in a sliding manner, the rotation adjusting seat comprises an upper seat body and a lower seat body, the lower surface of the upper seat body is connected with the slide rail in a sliding manner, a plurality of balls are arranged between the lower surface of the upper seat body and the slide rail, when the height of the projector needs to be adjusted, the output end of a first lifting motor is controlled by a controller to rotate, the output end of the first lifting motor can drive the screw rod part of the screw rod to rotate in the working process, the screw rod sliding block of the screw rod is fixedly connected with the lower surface of a connecting seat, the connecting seat is arranged between chutes and can limit the connecting seat, so that the screw rod part of the screw rod can drive the, therefore, the height of the projector is adjusted, a driving motor is arranged in the lower seat body, the output end of the driving motor is provided with a bevel gear, the bevel gear is meshed with the annular gear ring, the upper seat body and the lower seat body are fixed through screws, one end of an electric telescopic rod is hinged to the side wall of the upper seat body, the other end of the electric telescopic rod is hinged to the projector, one side of the projector is hinged to the lower seat body, when the projection direction of the projector needs to be adjusted, the output end of the driving motor is controlled to rotate through a controller, the bevel gear of the output end of the driving motor is meshed with the annular gear ring, the rotary adjusting seat can be driven to slide on the sliding rail, meanwhile, the electric rod is used for stretching and retracting to drive the projector to change the projection angle, the purpose of adjusting the projection direction angle of the projector is achieved, and the top mounting seat, the upper end of top mount pad is equipped with the controller, the controller respectively with first elevator motor, driving motor and electric telescopic handle electric connection.

Preferably, the bottom mounting seat is provided with a plurality of mounting holes, and the device can be mounted at a designated position on the ground through the mounting holes.

Preferably, the sliding rail and the sliding groove are both processed by a chromium plating process, the chromium plating layer on the surface has high hardness, and the friction coefficient of the chromium plating layer is small, so that the chromium plating layer has good wear resistance, the abrasion between the sliding groove and the sliding groove when the ball rolls can be prevented from being reduced, and the service life and the maintenance period of the device are prolonged.

Preferably, the bottom mounting seat is provided with a roller wheel, which is convenient for the device to move,

preferably, the output of second elevator motor is equipped with the take-up reel, be equipped with the one end of lift cable on the take-up reel, the upper surface middle part of connecting seat is equipped with the cable fixing base, one side of cable fixing base is equipped with the second through-hole that from top to bottom runs through, the lower surface of top mount pad is equipped with first pulley and second pulley, the other end of lift cable runs through second through-hole, first pulley and second pulley and cable fixing base fixed connection in proper order, and it is rotatory to control second elevator motor's output through the controller, retrieves or emits the lift cable from the take-up reel, can adjust the height of lifting pedestal to this height of adjusting the projecting apparatus.

Compared with the prior art, the beneficial effects of the utility model are that: a projector angle adjusting structure, when the height of a projector needs to be adjusted, the output end of a first lifting motor can drive a screw rod part of a lead screw to rotate in the working process, because a lead screw sliding block of the lead screw is fixedly connected with the lower surface of a connecting seat which is arranged between sliding grooves and can limit the connecting seat, the screw rod part of the lead screw can drive the lead screw sliding block of the lead screw to move up and down on the screw rod part of the lead screw in the rotating process so as to adjust the height of the projector, when the projection direction of the projector needs to be adjusted, the output end of a driving motor is controlled to rotate by a controller, a wheel bevel gear at the output end of the driving motor is meshed with an annular gear ring, a rotary adjusting seat can be driven to slide on a sliding rail, and the electric rod can be stretched to drive the projector to change the projection angle, reach the purpose of adjusting projecting apparatus projection direction angle, the utility model discloses can realize adjusting the direction of the height of projecting apparatus and multi-angle, satisfy the user demand of user to the projecting apparatus.

Drawings

Fig. 1 is a schematic sectional structure diagram of embodiment 1 of the present invention;

fig. 2 is a schematic top view of the lifting base according to embodiment 1 of the present invention;

fig. 3 is a schematic sectional structure diagram of embodiment 2 of the present invention;

fig. 4 is a schematic top view of the lifting base according to embodiment 2 of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 3;

fig. 6 is an enlarged schematic view of a portion B in fig. 3.

In the figure: 1-upright column, 2-lifting base, 3-projector, 4-bottom mounting base, 5-first lifting motor, 6-lead screw, 7-chute, 8-connecting base, 9-ball, 10-slide rail, 11-annular gear ring, 12-rotation adjusting base, 1201-upper base, 1202-lower base, 13-driving motor, 14-bevel gear, 15-electric telescopic rod, 16-top mounting base, 17-controller, 18-take-up reel, 19-lifting cable, 20-cable fixing base, 21-first pulley, 22-second pulley and 23-roller.

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.

Example 1

Referring to fig. 1-2, the present invention provides a technical solution: a projector angle adjusting structure comprises a vertical column 1, a lifting base 2 and a projector 3, wherein the lower end of the vertical column 1 is provided with a bottom mounting seat 4, the inner cavity of the bottom mounting seat 4 is provided with a first lifting motor 5, the output end of the first lifting motor 5 is provided with one end of a lead screw 6, the interior of the vertical column 1 is provided with a lifting cavity, two sides of the lifting cavity are respectively provided with a sliding groove 7, the vertical column 1 is sleeved with the lifting base 2, the middle part of the lifting base 2 is provided with a mounting hole, a connecting seat 8 is arranged in the mounting hole, two ends of the side wall of the connecting seat 8 are respectively provided with a plurality of ball bearings 9, the ball bearings 9 are matched with the sliding grooves 7 for use, the middle part of the connecting seat 8 is provided with a first through hole penetrating from top to bottom, the other end of the lead screw 6 penetrates through the first through hole, the edge of the upper surface of the lifting base 2 is provided with a slide rail 10, the edge of the lower surface of the lifting base 2 is provided with an annular gear ring 11, the slide rail 10 is connected with a rotation adjusting seat 12 in a sliding manner, the rotation adjusting seat 12 comprises an upper seat body 1201 and a lower seat body 1202, the lower surface of the upper seat body 1201 is connected with the slide rail 10 in a sliding manner, a plurality of balls 9 are arranged between the lower surface of the upper seat body 1201 and the slide rail 10, the abrasion between the connecting seat 8 and the slide rail 10 when moving can be reduced through the arrangement of the balls 9, when the height of the projector 3 needs to be adjusted, the output end of the first lifting motor 5 is controlled to rotate through the controller 17, the output end of the first lifting motor 5 can drive the screw rod part of the screw rod 6 to rotate in the working process, because the screw rod sliding block of the screw rod 6 is fixedly connected with the lower, the connecting seat 8 can be limited, so that a screw part of the screw 6 can drive a screw slider of the screw 6 to move up and down on the screw part of the screw 6 in the rotating process, so as to adjust the height of the projector 3, a driving motor 13 is arranged in the lower seat body 1202, an output end of the driving motor 13 is provided with a bevel gear 14, the bevel gear 14 is meshed with the annular gear ring 11, the upper seat body 1201 and the lower seat body 1202 are fixed through screws, a side wall of the upper seat body 1201 is hinged with one end of an electric telescopic rod 15, the other end of the electric telescopic rod 15 is hinged with the projector 3, one side of the projector 3 is hinged with the lower seat body 1202, when the projection direction of the projector 3 needs to be adjusted, the output end of the driving motor 13 is controlled to rotate through a controller 17, the bevel gear 14 at the output end of the driving motor 13 is meshed with the annular gear ring 11, can drive to rotate and adjust seat 12 and slide on slide rail 10, stretch out and draw back through electric pole simultaneously and can drive 3 changes projection angle of projecting apparatus, reach the purpose of adjusting 3 projection direction angles of projecting apparatus, the upper end of stand 1 is equipped with top mount pad 16, the upper end of top mount pad 16 is equipped with controller 17, controller 17 respectively with first elevator motor 5, driving

motor

13 and 15 electric connection of electric telescopic handle, controller 17 embeds there is wireless module, can control each part through the remote controller.

Specifically, be equipped with a plurality of mounting holes on bottom mount pad 4, can install this device in ground assigned position through the ann hole.

Specifically, the sliding rail 10 and the sliding groove 7 are both processed by a chromium plating process, the chromium plating layer on the surface has high hardness, and the friction coefficient of the chromium plating layer is small, so that the chromium plating layer has good wear resistance, the abrasion between the sliding groove 7 and the sliding groove can be prevented when the ball 9 rolls, and the service life and the maintenance period of the device are prolonged.

The working principle is as follows: when the utility model is used, the device is arranged at a designated position on the ground, and is fixedly arranged through the mounting hole on the bottom mounting seat 4, the utility model is connected with an external power supply, when the height of the projector 3 needs to be adjusted, the output end of the first lifting motor 5 is controlled to rotate through the controller 17, the output end of the first lifting motor 5 can drive the screw rod part of the lead screw 6 to rotate in the working process of the first lifting motor 5, because the lead screw slider of the lead screw 6 is fixedly connected with the lower surface of the connecting seat 8, the connecting seat 8 is arranged between the sliding grooves 7 and can limit the connecting seat 8, the screw rod part of the lead screw 6 can drive the lead screw slider of the lead screw 6 to move up and down on the screw rod part of the lead screw 6 in the rotating process, so as to adjust the height of the projector 3, when the projection direction of the projector 3 needs to be adjusted, the output end of the driving motor 13 is controlled to rotate through the controller 17, the bevel gear wheel 14 at the output end of the driving motor 13 is meshed with the annular gear ring 11, the rotation adjusting seat 12 can be driven to slide on the sliding rail 10, and meanwhile, the electric rod stretches and retracts to drive the projector 3 to change the projection angle, so that the purpose of adjusting the projection direction angle of the projector 3 is achieved.

Example 2

Referring to fig. 3-6, the present embodiment is different from embodiment 1 in that a roller 23 is disposed on the bottom mounting seat 4 to facilitate the movement of the apparatus, a take-up reel 18 is disposed at an output end of the second lifting motor 24, one end of a lifting cable 19 is disposed on the take-up reel 18, a cable fixing seat 20 is disposed at a middle portion of the upper surface of the connecting seat 8, a second through hole penetrating from top to bottom is disposed at one side of the cable fixing seat 20, a first pulley 21 and a second pulley 22 are disposed at a lower surface of the top mounting seat 16, the other end of the lifting cable 19 sequentially penetrates through the second through hole, the first pulley 21 and the second pulley 22 to be fixedly connected with the cable fixing seat 20, the output end of the second lifting motor 24 is controlled by the controller 17 to rotate, the lifting cable 19 is recovered or paid out from the take-up reel 18, so as to adjust the height of the, thereby adjusting the height of the projector 3.

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. The utility model provides a projecting apparatus angle modulation structure, includes stand (1), lift base (2) and projecting apparatus (3), its characterized in that: the lower end of the upright post (1) is provided with a bottom mounting seat (4), the inner cavity of the bottom mounting seat (4) is provided with a first lifting motor (5), the output end of the first lifting motor (5) is provided with one end of a lead screw (6), the interior of the upright post (1) is provided with a lifting cavity, two sides of the lifting cavity are respectively provided with a sliding chute (7), the upright post (1) is sleeved with a lifting base (2), the middle part of the lifting base (2) is provided with a mounting opening, a connecting seat (8) is arranged in the mounting opening, two ends of the side wall of the connecting seat (8) are respectively provided with a plurality of balls (9), the balls (9) are matched with the sliding chutes (7) for use, the middle part of the connecting seat (8) is provided with a first through hole penetrating from top to bottom, the other end of the lead screw (6) penetrates through the first through hole, and a lead screw slider of, the edge of the upper surface of the lifting base (2) is provided with a slide rail (10), the edge of the lower surface of the lifting base (2) is provided with an annular gear ring (11), the slide rail (10) is connected with a rotation adjusting seat (12) in a sliding manner, the rotation adjusting seat (12) comprises an upper seat body (1201) and a lower seat body (1202), the lower surface of the upper seat body (1201) is connected with the slide rail (10) in a sliding manner, a plurality of balls (9) are arranged between the lower surface of the upper seat body (1201) and the slide rail (10), a driving motor (13) is arranged in the lower seat body (1202), the output end of the driving motor (13) is provided with a bevel gear (14), the bevel gear (14) is meshed with the annular gear ring (11), the upper seat body (1201) and the lower seat body (1202) are fixed through screws, and the side wall of the upper seat body (1201, the other end of electric telescopic handle (15) is articulated with projecting apparatus (3), one side and lower pedestal (1202) of projecting apparatus (3) are articulated, the upper end of stand (1) is equipped with top mount pad (16), the upper end of top mount pad (16) is equipped with controller (17), controller (17) respectively with first elevator motor (5), driving motor (13) and electric telescopic handle (15) electric connection.

2. A projector angle adjustment structure according to claim 1, wherein: the inner chamber of bottom mount pad (4) is equipped with second elevator motor (24), the output of second elevator motor (24) is equipped with take-up reel (18), be equipped with the one end of lift cable (19) on take-up reel (18), the upper surface middle part of connecting seat (8) is equipped with cable fixing base (20), one side of cable fixing base (20) is equipped with the second through-hole that from top to bottom runs through, the lower surface of top mount pad (16) is equipped with first pulley (21) and second pulley (22), the other end of lift cable (19) runs through second through-hole, first pulley (21) and second pulley (22) and cable fixing base (20) fixed connection in proper order.

3. A projector angle adjustment structure according to claim 1, wherein: and a plurality of mounting holes are formed in the bottom mounting seat (4).

4. A projector angle adjustment structure according to claim 1, wherein: and the bottom mounting seat (4) is provided with a roller (23).

5. A projector angle adjustment structure according to claim 1, wherein: the sliding rail (10) and the sliding groove (7) are both processed by a chromium plating process.