Horizontal fixing device for projector

Abstract

The utility model discloses a projector horizontal fixing device which comprises a fixing mechanism, the bottom end of the fixing mechanism is connected with a horizontal adjusting mechanism, and the bottom end of the horizontal adjusting mechanism is connected with a supporting and positioning mechanism. According to the utility model, the distance between the front surface of the fixed disc and the projection wall surface is sensed in an infrared manner through two infrared sensors fixed on one side of the fixed disc, and the output end of a second motor fixed at the bottom end of a connecting frame drives an adjusting gear to rotate, so that an adjusting gear ring drives the fixed disc to rotate along a supporting disc; the fixing disc drives the projector to adjust and rotate to directly face the projection wall, the positioning gear ring meshed with the outer wall of the tooth surface of the positioning gear drives the supporting disc to rotate, the supporting disc drives the fixing disc to adjust the angle, the angle of the projector can be conveniently adjusted to the horizontal position, and the projection level rate of the projector is increased; the projection angle influence problem caused by a special environment or an outdoor environment is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to projector fixing technical field, concretely is a projector horizontal fixing device. BACKGROUND

[0002] The projector, also called the projector, is a kind of device that can project image or video to the screen, can be connected with computer, VCD, DVD, BD, game machine, DV etc. to play corresponding video signal through different interfaces, and the projector needs to be placed horizontally and centrally to make the projected picture horizontal and correct when using to pursue higher viewing experience. In the prior art, small mobile projector needs to be positioned every time, and due to the influence of the position and environment of the projector, the projector is difficult to quickly find and correct the horizontal position, accurate adjustment is difficult to be carried out according to watching and manual adjustment, the viewing efficiency of the projector is reduced, and visual fatigue is easily caused by long-time inclined viewing, so a projector horizontal fixing device is needed. UTILITY MODEL CONTENT

[0003] In order to solve the above problems, the purpose of the utility model is to provide a projector horizontal fixing device to solve the problems in the background art.

[0004] In order to achieve the above purpose, the utility model provides a projector horizontal fixing device, which comprises a fixing mechanism, the bottom end of the fixing mechanism is connected with a horizontal adjusting mechanism, the bottom end of the horizontal adjusting mechanism is connected with a supporting and positioning mechanism.

[0005] The horizontal adjusting mechanism comprises a supporting frame, the top end of the supporting frame is fixedly provided with a positioning frame, the top end of the inner wall of the positioning frame is rotatably provided with a positioning seat, the top end of the positioning seat is fixedly provided with a supporting disc, the bottom end of the supporting disc is fixedly provided with a positioning gear ring, one end of the inner wall of the positioning frame is rotatably provided with a positioning gear, the tooth surface of the positioning gear is engaged with the tooth surface of the positioning gear ring, one side of the positioning frame is fixedly provided with a first motor, the output end of the first motor is fixedly connected with the middle position of the positioning gear, the outer wall of the top end of the supporting disc is rotatably provided with an adjusting gear ring, one end of the supporting disc is fixedly provided with a connecting frame, the top end of the connecting frame is rotatably provided with an adjusting gear, the tooth surface of the adjusting gear is engaged with the tooth surface of the adjusting gear ring, the bottom end of the connecting frame is fixedly provided with a second motor, and the output end of the second motor is fixedly connected with the middle position of the adjusting gear.

[0006] In one example, the fixing mechanism comprises a fixed disc, and the two ends of one side of the fixed disc are fixedly provided with infrared sensors. In one example, the top end of the supporting disc is rotatably connected with the bottom end of the fixed disc, and the bottom end of the fixed disc is fixedly connected with the top end of the adjusting gear ring.

[0007] In one example, the support positioning mechanism comprises a support rod and a plurality of rotating rods, the support rod and the plurality of rotating rods are sequentially rotationally connected, one end of the support frame is rotationally connected with the top end of the topmost rotating rod, the bottom end of the support rod is fixedly provided with a limiting disc, and both ends of one side of the limiting disc are fixedly provided with balance frames.

[0008] In one example, one side of the top of the support rod and one side of the top of the plurality of rotating rods are fixedly provided with protection frames, the other side of the top of the support rod and the other side of the top of the plurality of rotating rods are fixedly provided with first sliding bars, the outer walls of the plurality of first sliding bars are slidingly provided with sliding support seats, and the bottom end of one side of the plurality of rotating rods and the bottom end of one side of the support frame are fixedly provided with second sliding bars.

[0009] In one example, the top end of the plurality of sliding support seats is provided with a clamping groove, and the positions of the plurality of second sliding bars correspond to the positions of the plurality of clamping grooves.

[0010] In one example, one side of the fixing disc is fixedly provided with an intelligent control panel, and the first motor and the second motor are electrically connected with the external power supply through the intelligent control panel.

[0011] Compared with the prior art, the beneficial effects of the utility model are that the two infrared sensors fixed on one side of the fixing disc perform infrared sensing on the distance between the front surface of the fixing disc and the projection wall, the output end of the second motor fixed at the bottom end of the connecting frame drives the adjusting gear to rotate, the adjusting gear drives the fixing disc to rotate along the support disc, the fixing disc drives the projector to adjust and rotate to face the projection wall, the output end of the first motor fixed on one side of the positioning frame drives the positioning gear to rotate, the positioning gear drives the support disc to rotate, the support disc drives the fixing disc to adjust the angle, the projector is adjusted to the horizontal position, the projection level of the projector is increased, and the influence of the projection angle caused by special environment or outdoor environment is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a fixing disc adjusting structure schematic view of the utility model;

[0014] Figure 3 It is a horizontal adjusting mechanism structure schematic view of the utility model;

[0015] Figure 4 It is a support positioning mechanism distribution structure schematic view of the utility model;

[0016] Figure 5 It is a support positioning mechanism structure schematic view of the utility model.

[0017] In the figure: 1, fixing mechanism; 101, fixed disc; 102, infrared sensor; 2, support positioning mechanism; 201, support rod; 202, rotating rod; 203, limiting disc; 204, balance frame; 205, first sliding bar; 206, second sliding bar; 207, sliding support seat; 208, clamping groove; 209, protective frame; 3, horizontal adjustment mechanism; 301, adjustment gear ring; 302, adjustment gear; 303, support disc; 304, support frame; 305, positioning frame; 306, positioning seat; 307, positioning gear ring; 308, positioning gear; 309, first motor; 310, connecting frame; 311, second motor. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figures 1-5 The utility model provides a kind of technical solutions: a projector horizontal fixing device, including fixed mechanism 1, the bottom of fixed mechanism 1 is connected with horizontal adjustment mechanism 3, the bottom of horizontal adjustment mechanism 3 is connected with support positioning mechanism 2;Horizontal adjustment mechanism 3 includes support frame 304, the top of support frame 304 is fixedly provided with positioning frame 305, the top of the inner wall of positioning frame 305 is rotatably provided with positioning seat 306, the top of positioning seat 306 is fixedly provided with support disc 303, the bottom of support disc 303 is fixedly provided with positioning gear ring 307, one end of the inner wall of positioning frame 305 is rotatably provided with positioning gear 308, the tooth surface of positioning gear 308 is engaged with the tooth surface of positioning gear ring 307, one side of positioning frame 305 is fixedly provided with first motor 309, the output end of first motor 309 is fixedly connected with the middle position of positioning gear 308, the outer wall of the top of support disc 303 is rotatably provided with adjustment gear ring 301, one end of support disc 303 is fixedly provided with connecting frame 310, the top of connecting frame 310 is rotatably provided with adjustment gear 302, the tooth surface of adjustment gear 302 is engaged with the tooth surface of adjustment gear ring 301, the bottom of connecting frame 310 is fixedly provided with second motor 311, the output end of second motor 311 is fixedly connected with the middle position of adjustment gear 302;

[0020] Further, fixed mechanism 1 includes fixed disc 101, both ends of one side of fixed disc 101 are fixedly provided with infrared sensor 102;The top of support disc 303 is rotatably connected with the bottom of fixed disc 101, the bottom of fixed disc 101 is fixedly connected with the top of adjustment gear ring 301;

[0021] When it is needed to use the projector horizontal fixing device, the projector is placed on the top end of the fixing disc 101, the infrared sensors 102 fixed on one side of the fixing disc 101 are used to fix the distance between the front surface of the fixing disc 101 and the projection wall, the output end of the second motor 311 fixed at the bottom end of the connecting frame 310 drives the adjusting gear 302 to rotate, the tooth surface of the adjusting gear 302 is engaged with the tooth surface of the adjusting tooth ring 301, so that the adjusting tooth ring 301 drives the fixing disc 101 to rotate along the supporting disc 303, so that the fixing disc 101 drives the projector to adjust and rotate to face the projection wall, the output end of the first motor 309 fixed on one side of the positioning frame 305 drives the positioning gear 308 to rotate, so that the positioning tooth ring 307 engaged with the outer wall of the tooth surface of the positioning gear 308 drives the supporting disc 303 to rotate, so that the supporting disc 303 drives the fixing disc 101 to adjust the angle, so as to facilitate the angle adjustment of the projector to the horizontal position, increase the projection horizontal rate of the projector, and avoid the influence of the projection angle caused by special environment or outdoor environment.

[0022] Further, the supporting and positioning mechanism 2 comprises a supporting rod 201 and a plurality of rotating rods 202, the supporting rod 201 and the plurality of rotating rods 202 are sequentially rotationally connected, one end of the supporting frame 304 is rotationally connected with the top end of the topmost rotating rod 202, the bottom end of the supporting rod 201 is fixedly provided with a limiting disc 203, and both ends of one side of the limiting disc 203 are fixedly provided with balance frames 204.

[0023] One side of the top of the supporting rod 201 and one side of the top of the plurality of rotating rods 202 are fixedly provided with protection frames 209, the other side of the top of the supporting rod 201 and the other side of the top of the plurality of rotating rods 202 are fixedly provided with first sliding bars 205, the outer walls of the plurality of first sliding bars 205 are slidingly provided with sliding supporting seats 207, the bottom end of one side of the plurality of rotating rods 202 and the bottom end of one side of the supporting frame 304 are fixedly provided with second sliding bars 206, the friction force of the outer wall of the second sliding bar 206 of the first sliding bar 205 is large, so that the sliding supporting seat 207 will not be separated from the first sliding bar 205 and the second sliding bar 206 in the case of no external sliding force; the top end of the plurality of sliding supporting seats 207 is provided with a clamping groove 208, and the positions of the plurality of second sliding bars 206 correspond to the positions of the plurality of clamping grooves 208 respectively;

[0024] The fixing disc 101 is stably positioned by the limiting disc 203, the supporting rod 201 and the rotating rod 202. When the projection at different heights is needed, the sliding support base 207 is slid to the required height, so that the sliding support base 207 is separated from the second sliding bar 206 by being slid downward, and the top end of the sliding support base 207 is flush with the top end of the rotating rod 202 at the bottom, the rotating rod 202 at the top end is rotated to one side of the sliding support base 207, so that the rotating rod 202 drives the structure connected to the top end of the rotating rod 202 to rotate at the same time, the second sliding bar 206 fixed to one side of the rotating rod 202 is just engaged with the inner wall of the clamping groove 208, and the sliding support base 207 is assisted to support, so that the fixing disc 101 is controlled to the required height, the projection apparatus fixing frame cannot be tilted to another direction by the protection positioning of the protection frame 209 fixed to one side of the top of the supporting rod 201 and the protection frame 209 at the top of the rotating rod 202, and only one rotating rod 202 is always kept to rotate, so that the fixing disc 101 is kept stable in the horizontal direction.

[0025] Further, the fixing disc 101 is fixed with an intelligent control panel at one side, and the first motor 309 and the second motor 311 are electrically connected with the external power supply through the intelligent control panel.

Claims

1. A projector horizontal fixing device, comprising a fixing mechanism (1), the bottom end of the fixing mechanism (1) is connected with a horizontal adjusting mechanism (3), the bottom end of the horizontal adjusting mechanism (3) is connected with a support positioning mechanism (2); characterized in that The horizontal adjusting mechanism (3) comprises a support frame (304), the top end of the support frame (304) is fixedly provided with a positioning frame (305), the top end of the inner wall of the positioning frame (305) is rotatably provided with a positioning seat (306), the top end of the positioning seat (306) is fixedly provided with a support disc (303), the bottom end of the support disc (303) is fixedly provided with a positioning gear ring (307), one end of the inner wall of the positioning frame (305) is rotatably provided with a positioning gear (308), the tooth surface of the positioning gear (308) is meshed with the tooth surface of the positioning gear ring (307), one side of the positioning frame (305) is fixedly provided with a first motor (309), the output end of the first motor (309) is fixedly connected with the middle position of the positioning gear (308), the outer wall of the top end of the support disc (303) is rotatably provided with an adjusting gear ring (301), one end of the support disc (303) is fixedly provided with a connecting frame (310), the top end of the connecting frame (310) is rotatably provided with an adjusting gear (302), the tooth surface of the adjusting gear (302) is meshed with the tooth surface of the adjusting gear ring (301), the bottom end of the connecting frame (310) is fixedly provided with a second motor (311), the output end of the second motor (311) is fixedly connected with the middle position of the adjusting gear (302).

2. A horizontal fixing device for a projector according to claim 1, characterized in that: The fixing mechanism (1) comprises a fixed disc (101), both ends of one side of the fixed disc (101) are fixedly provided with infrared sensors (102).

3. A horizontal fixing device for a projector according to claim 2, characterized in that: The top end of the support disc (303) is rotatably connected with the bottom end of the fixed disc (101), and the bottom end of the fixed disc (101) is fixedly connected with the top end of the adjusting gear ring (301).

4. The horizontal fixing device for projector according to claim 1, characterized in that: The support positioning mechanism (2) comprises a support rod (201) and a plurality of rotating rods (202), the support rod (201) and the plurality of rotating rods (202) are rotatably connected in sequence, one end of the support frame (304) is rotatably connected with the top end of the topmost rotating rod (202), the bottom end of the support rod (201) is fixedly provided with a limiting disc (203), both ends of one side of the limiting disc (203) are fixedly provided with balance frames (204).

5. A horizontal fixing device for a projector according to claim 4, characterized in that: One side of the top of the support rod (201) and one side of the top of the plurality of rotating rods (202) are fixedly provided with protection frames (209), the other side of the top of the support rod (201) and the other side of the top of the plurality of rotating rods (202) are fixedly provided with first sliding bars (205), the outer walls of the plurality of first sliding bars (205) are slidably provided with sliding support seats (207), and the bottom end of one side of the plurality of rotating rods (202) and the bottom end of one side of the support frame (304) are fixedly provided with second sliding bars (206).

6. A horizontal fixing device for a projector according to claim 5, characterized in that: The top end of each of the plurality of sliding support seats (207) is provided with a clamping groove (208), and the positions of the plurality of second sliding bars (206) correspond to the positions of the plurality of clamping grooves (208) respectively.

7. A horizontal fixing device for a projector according to claim 2, characterized in that: One side of the fixed disc (101) is fixedly provided with an intelligent control panel, and the first motor (309) and the second motor (311) are electrically connected with the external power supply through the intelligent control panel.

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