Angle-adjustable household indoor projector

Abstract

The utility model discloses an angle-adjustable household indoor projector comprising a main body assembly which comprises a U-shaped support, a damping shaft and a projector body; the first positioning assembly comprises a fixed block, a movable groove, a spring column, a sliding block, a pulling plate, a connecting rod, an arc-shaped movable plate and an anti-skid bulge; the fixed block is fixed to one end of the lower surface of the U-shaped support, the movable groove is formed in the middle of the fixed block, one end of the spring column is fixed to the inner side of the movable groove, the sliding block is fixed to the movable end of the spring column and slidably connected into the movable groove, and the pulling plate is connected to one end of the lower surface of the sliding block in an injection molding mode. The utility model relates to a household projector, and aims to solve the problems that in an existing household projector, a structure used for angle adjustment is loosened due to problems of material aging, assembly precision and the like after being used for a long time, and when the projector is used at home, the projector is directly placed on a desktop or other supporting bodies, the projector is greatly influenced by the environment, and the angle is changed mistakenly.

Description

Technical Field

[0001] The utility model relates to the technical field of projectors, in particular to a household indoor projector with adjustable angle. Background Art

[0002] A projector is an electronic device that amplifies images or video signals and projects them onto a screen. Home projectors are projection devices designed for home environments, aiming to provide a movie-watching experience similar to that of a movie theater. Such devices are usually easy to operate, flexible to install, and easy to move, making them suitable for home entertainment, watching movies, and playing games. Existing home projectors are equipped with a bracket that allows them to be rotated at horizontal and vertical angles to accommodate use in different locations.

[0003] However, there are still the following disadvantages in actual use:

[0004] In existing home projectors, the structure used for angle adjustment may become loose after long-term use due to problems such as material aging and assembly accuracy. When used at home, since the projector is placed directly on a desktop or other support, it is greatly affected by the environment, which may cause the angle to change incorrectly. Utility Model Content

[0005] The purpose of the utility model is to provide a home indoor projector with adjustable angle, so as to solve the problem raised in the above background technology that the structure for angle adjustment in the existing home projector may become loose after long-term use due to problems such as material aging and assembly accuracy, and when used at home, since the projector is directly placed on a desktop or other supporting body, it is greatly affected by the environment, which may cause the angle to change incorrectly.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a household indoor projector with adjustable angle, comprising:

[0008] A main body component, the main body component comprising a U-shaped bracket, a damping shaft and a projector body;

[0009] One end of the movable shaft of the damping shaft is fixed to both sides of the projector body, a fixing ring of the damping shaft is fixed to the inner side of the U-shaped bracket, and the movable shaft of the damping shaft is inserted into the fixing ring;

[0010] A first positioning assembly, the first positioning assembly comprising a fixed block, a movable groove, a spring column, a sliding block, a pulling plate, a connecting rod, an arc-shaped movable plate and an anti-slip protrusion;

[0011] The fixed block is fixed to one end of the lower surface of the U-shaped bracket, the movable groove is opened in the middle of the fixed block, one end of the spring column is fixed to the inner side of the movable groove, the slider is fixed to the movable end of the spring column, and the slider is slidably connected in the movable groove, the pull plate is injection-molded connected to one end of the lower surface of the slider, the connecting rod fixes the other end of the lower surface of the slider, the arc-shaped movable plate is injection-molded connected to the end of the connecting rod away from the slider, and the anti-slip protrusion is injection-molded connected to the inner arc of the arc-shaped movable plate.

[0012] Furthermore, the main body assembly also includes a rotating shaft and a lens;

[0013] The upper end of the rotating shaft is fixed to the middle part of the lower surface of the U-shaped bracket, and the lens is embedded in the upper part of the side of the projector body.

[0014] Furthermore, the main body assembly also includes a counterweight chassis and a bearing;

[0015] The bearing is sleeved on the lower end of the rotating shaft, and the counterweight chassis is fixed on the lower end of the bearing.

[0016] Further, it also includes a second positioning component;

[0017] The second positioning component includes a through hole and a movable column;

[0018] The through hole is arranged on the upper section of the side of the U-shaped bracket, and the movable column is inserted into the through hole.

[0019] Furthermore, the second positioning assembly also includes a cylinder and a round spring;

[0020] The cylinder is injection-molded and connected to one end of the movable column, and the round spring is connected between the cylinder and the U-shaped bracket.

[0021] Furthermore, the second positioning assembly also includes a clamping block, an arc-shaped fixing plate and a clamping slot;

[0022] The arc-shaped fixing plate is fixed on the side of the projector body and is located above the damping shaft. The slot is arranged on the side of the arc-shaped fixing plate. The block is injection-molded and connected to the end of the movable column away from the cylinder, and the block is clamped in the slot.

[0023] Compared with the prior art, the advantages of the present invention are:

[0024] 1. The utility model, through the first positioning component, when adjusting the horizontal angle of the projector body, pull the pull plate below the fixed block, drive the slider in the movable groove to move outward, drive the arc-shaped movable plate and the anti-skid protrusion on the connecting rod to disengage from the bearing, rotate the projector body, drive the U-shaped bracket and the rotating shaft below to rotate around the bearing, after adjusting the angle, release the pull plate, under the action of the spring column, the arc-shaped movable plate and the anti-skid protrusion are firmly pressed against the bearing, this arrangement can position the angle adjustment structure of the projector body in the horizontal direction, and play a stabilizing role.

[0025] 2. The utility model, through the second positioning component, when adjusting the vertical angle of the projector body, pull the cylinder, drive the movable column to move outward along the through hole, drive the block to disengage from the slot on the arc-shaped fixed plate, rotate the projector body, drive the damping shaft to rotate, and after adjusting the angle, release the cylinder, and under the action of the circular spring, the movable column drives the block to snap into the slot. This arrangement can position the angle adjustment structure of the projector body in the vertical direction and play a stabilizing role. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 2 It is a front view of the utility model;

[0029] Figure 3 This is a schematic structural diagram of the first positioning component of the utility model from a first viewing angle;

[0030] Figure 4 This is a schematic diagram of the structure of the first positioning component of the utility model from a second viewing angle;

[0031] Figure 5 This is a schematic diagram of the U-shaped bracket structure of the utility model;

[0032] Figure 6 It is a partial structural schematic diagram of the second positioning component of the utility model.

[0033] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0034] 10. Counterweight chassis; 11. Bearing; 12. Rotating shaft; 13. U-shaped bracket; 14. Damping shaft; 15. Projector body; 16. Lens; 20. Fixed block; 21. Movable groove; 22. Spring column; 23. Sliding block; 24. Pull plate; 25. Connecting rod; 26. Arc-shaped movable plate; 27. Anti-skid protrusion; 30. Through hole; 31. Movable column; 32. Cylinder; 33. Block; 34. Arc-shaped fixed plate; 35. Slot; 36. Round spring. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0037] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0038] See also Figure 1-4 As shown, this embodiment is a home indoor projector with adjustable angle, comprising:

[0039] The main body assembly includes a U-shaped bracket 13, a damping shaft 14 and a projector body 15;

[0040] One end of the movable shaft of the damping shaft 14 is fixed to both sides of the projector body 15, and a fixing ring of the damping shaft 14 is fixed to the inner side of the U-shaped bracket 13, and the movable shaft of the damping shaft 14 is inserted into the fixing ring;

[0041] The U-shaped bracket 13 plays a supporting role, and the damping shaft 14 facilitates the rotation of the projector body 15 and can be positioned to the current rotation angle. The projector body 15 is used to project images onto a screen or a wall;

[0042] The first positioning assembly includes a fixed block 20, a movable groove 21, a spring column 22, a slider 23, a pull plate 24, a connecting rod 25, an arc-shaped movable plate 26 and an anti-slip protrusion 27;

[0043] The fixed block 20 is fixed to one end of the lower surface of the U-shaped bracket 13, the movable groove 21 is opened in the middle of the fixed block 20, one end of the spring column 22 is fixed to the inner side of the movable groove 21, the slider 23 is fixed to the movable end of the spring column 22, and the slider 23 is slidably connected in the movable groove 21, the pull plate 24 is injection-molded and connected to one end of the lower surface of the slider 23, the connecting rod 25 fixes the other end of the lower surface of the slider 23, the arc-shaped movable plate 26 is injection-molded and connected to one end of the connecting rod 25 away from the slider 23, and the anti-slip protrusion 27 is injection-molded and connected to the inner arc of the arc-shaped movable plate 26;

[0044] The fixed block 20 has a fixing function, the movable groove 21 facilitates the movement of the slider 23, the spring column 22 has a squeezing function, the slider 23 has a connecting function, the pull plate 24 facilitates the hand operation of the slider 23, the connecting rod 25 has a connecting function, the arc-shaped movable plate 26 has a pressing function, and the anti-skid protrusion 27 has an anti-skid function;

[0045] The main assembly also includes a rotating shaft 12 and a lens 16;

[0046] The upper end of the rotating shaft 12 is fixed to the middle of the lower surface of the U-shaped bracket 13, and the lens 16 is embedded in the upper side of the projector body 15;

[0047] The shaft 12 facilitates the rotation of the projector body 15, and the lens 16 projects the image;

[0048] The main assembly also includes a counterweight chassis 10 and a bearing 11;

[0049] The bearing 11 is sleeved on the lower end of the rotating shaft 12, and the counterweight chassis 10 is fixed on the lower end of the bearing 11;

[0050] The counterweight chassis 10 plays a supporting role, and the bearing 11 facilitates the rotation of the shaft 12.

[0051] Working principle:

[0052] When adjusting the horizontal angle of the projector body 15, one hand pulls the pull plate 24 below the fixed block 20 to drive the slider 23 in the movable groove 21 to move outward, driving the arc-shaped movable plate 26 and the anti-slip protrusion 27 on the connecting rod 25 to separate from the bearing 11, and the other hand rotates the projector body 15 to drive the U-shaped bracket 13 and the rotating shaft 12 below to rotate around the bearing 11;

[0053] After adjusting the angle, the pull plate 24 is released, and under the action of the spring column 22 , the slider 23 is pushed to move, driving the arc-shaped movable plate 26 and the anti-slip protrusion 27 to press firmly against the bearing 11 .

[0054] This step can position the angle adjustment structure of the projector body 15 in the horizontal direction, thus playing a stabilizing role.

[0055] See also Figure 5-6 This embodiment is based on the above embodiment 1 and further includes:

[0056] A second positioning assembly, the second positioning assembly includes a through hole 30 and a movable column 31;

[0057] The through hole 30 is provided at the upper side of the U-shaped bracket 13, and the movable column 31 is inserted into the through hole 30;

[0058] The through hole 30 serves as a limit, and the movable column 31 serves as a connection;

[0059] The second positioning assembly also includes a cylinder 32 and a round spring 36;

[0060] The cylinder 32 is injection-molded and connected to one end of the movable column 31, and the round spring 36 is connected between the cylinder 32 and the U-shaped bracket 13;

[0061] The cylinder 32 facilitates the manual operation of the movable column 31, and the round spring 36 has a reset function;

[0062] The second positioning assembly also includes a clamping block 33, an arc-shaped fixing plate 34 and a clamping slot 35;

[0063] The arc-shaped fixing plate 34 is fixed to the side of the projector body 15 and is located above the damping shaft 14. The card slot 35 is provided on the side of the arc-shaped fixing plate 34. The card block 33 is injection-molded and connected to the end of the movable column 31 away from the cylinder 32, and the card block 33 is carded in the card slot 35.

[0064] The arc-shaped fixing plate 34 plays a connecting role, and the clamping block 33 and the clamping groove 35 play a limiting role.

[0065] Working principle:

[0066] When adjusting the vertical angle of the projector body 15, the cylinder 32 is pulled to drive the movable column 31 to move outward along the through hole 30, drive the block 33 to disengage from the slot 35 on the arc-shaped fixing plate 34, rotate the projector body 15, and drive the damping shaft 14 to rotate;

[0067] After adjusting the angle, the cylinder 32 is released, and under the action of the circular spring 36 , the movable column 31 drives the clamping block 33 to clamp into the clamping slot 35 .

[0068] This step can position the angle adjustment structure of the projector body 15 in the vertical direction, thus playing a stabilizing role.

[0069] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0070] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A home indoor projector with adjustable angle, characterized in that: include: A main body component, the main body component comprising a U-shaped bracket (13), a damping shaft (14) and a projector body (15); One end of the movable shaft of the damping shaft (14) is fixed to two sides of the projector body (15), a fixing ring of the damping shaft (14) is fixed to the inner side of the U-shaped bracket (13), and the movable shaft of the damping shaft (14) is inserted into the fixing ring; A first positioning assembly, the first positioning assembly comprising a fixed block (20), a movable groove (21), a spring column (22), a sliding block (23), a pull plate (24), a connecting rod (25), an arc-shaped movable plate (26) and an anti-slip protrusion (27); The fixed block (20) is fixed to one end of the lower surface of the U-shaped bracket (13); the movable groove (21) is opened in the middle of the fixed block (20); one end of the spring column (22) is fixed to the inner side of the movable groove (21); the slider (23) is fixed to the movable end of the spring column (22); the slider (23) is slidably connected in the movable groove (21); the pull plate (24) is injection-molded to one end of the lower surface of the slider (23); the connecting rod (25) is fixed to the other end of the lower surface of the slider (23); the arc-shaped movable plate (26) is injection-molded to one end of the connecting rod (25) away from the slider (23); and the anti-slip protrusion (27) is injection-molded to the inner arc of the arc-shaped movable plate (26).

2. The angle-adjustable home indoor projector according to claim 1, characterized in that: The main body assembly also includes a rotating shaft (12) and a lens (16); The upper end of the rotating shaft (12) is fixed to the middle of the lower surface of the U-shaped bracket (13), and the lens (16) is embedded in the upper section of the side of the projector body (15).

3. The angle-adjustable home indoor projector according to claim 2, characterized in that: The main body assembly also includes a counterweight chassis (10) and a bearing (11); The bearing (11) is sleeved on the lower end of the rotating shaft (12), and the counterweight chassis (10) is fixed on the lower end of the bearing (11).

4. The angle-adjustable home indoor projector according to claim 1, characterized in that: Also included is a second positioning assembly; The second positioning component comprises a through hole (30) and a movable column (31); The through hole (30) is provided at the upper section of the side of the U-shaped bracket (13), and the movable column (31) is inserted into the through hole (30).

5. The angle-adjustable home indoor projector according to claim 4, characterized in that: The second positioning assembly also includes a cylinder (32) and a round spring (36); The cylinder (32) is injection-molded and connected to one end of the movable column (31), and the round spring (36) is connected between the cylinder (32) and the U-shaped bracket (13).

6. The angle-adjustable home indoor projector according to claim 5, characterized in that: The second positioning assembly further comprises a clamping block (33), an arc-shaped fixing plate (34) and a clamping slot (35); The arc-shaped fixing plate (34) is fixed to the side of the projector body (15) and is located above the damping shaft (14); the clamping groove (35) is provided on the side of the arc-shaped fixing plate (34); the clamping block (33) is injection-moldedly connected to the end of the movable column (31) away from the cylinder (32), and the clamping block (33) is clamped in the clamping groove (35).

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