Support and projector thereof

Abstract

The utility model discloses a support and a projector thereof, comprising a pedestal, the top end of which is fixedly connected with a telescoping mechanism; a fixing plate is connected to the top end of the telescopic mechanism, a placement box is connected to the top end of the fixing plate, and an adjusting mechanism is arranged in the placement box and comprises a mounting plate connected with an inner cavity of the placement box; the multiple connecting rods are fixedly connected to the bottom end of the mounting plate; the multiple rotating rods are rotationally connected with the multiple connecting rods correspondingly; and the positioning assembly is arranged at one end of the rotating rod. The arrangement mode that the containing box is matched with the adjusting mechanism is utilized, the mounting plate can be fixed to the top end of the containing box through the positioning assembly when the projector is used, the mounting plate and the projector can be contained in the containing box through the positioning assembly when the projector is not used, and the problem that the household projector can only be placed on a frame and cannot be placed on the frame is solved. The problems that the projector cannot be well stored, and dust is prone to falling are solved.

Description

Technical Field

[0001] The utility model relates to the technical field related to projectors, in particular to a bracket and a projector thereof. Background Art

[0002] A projector is a device that can project images or videos onto a screen. When using a projector, the user will use a projector stand. By installing the projector on the stand, the stability of the projector during use is ensured. At the same time, the projector stand can be adjusted in height, so that the projector can be used in front of projection screens at different heights.

[0003] When using an existing home projector, the projector is generally placed horizontally on a bracket with a tray. However, the bracket with a tray can only hold the projector. When not in use, the projector can only be placed on the bracket, which not only fails to store the projector well, but also easily collects dust, making it inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a bracket to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned object, the utility model provides the following technical solutions: a bracket, comprising a base, the top end of which is fixedly connected with a telescopic mechanism;

[0006] The top of the telescopic mechanism is fixedly connected with a fixed plate, the top of the fixed plate is fixedly connected with a placement box, and an adjustment mechanism is arranged inside the placement box, and the adjustment mechanism includes:

[0007] A mounting plate, the mounting plate being slidably interlaced with the inner cavity of the placement box;

[0008] Connecting rods, a plurality of connecting rods are fixedly connected to the bottom end of the mounting plate;

[0009] A rotating rod, wherein a plurality of the rotating rods are rotatably connected to a plurality of connecting rods respectively;

[0010] A positioning component is arranged at one end of the rotating rod and is used to adjust and fix the mounting plate.

[0011] Preferably, the positioning component comprises:

[0012] A positioning rod, wherein one end of the rotating rod is provided with a positioning groove, and both sides of the fixing plate are provided with positioning grooves, one end of the positioning rod is slidably inserted and connected with the inner cavity of the positioning groove, and the other end of the positioning rod is slidably inserted and connected with the inner cavity of the positioning hole;

[0013] A pull rod, the pull rod is fixedly connected to the bottom end of the positioning rod, a pull groove is provided at the bottom end of the rotating rod, and the pull rod is slidably connected with the inner cavity of the pull groove;

[0014] A compression spring is located inside the positioning groove.

[0015] Preferably, one end of the compression spring is fixedly connected to the positioning rod, and the other end of the compression spring is fixedly connected to the inner wall of the positioning groove.

[0016] Preferably, the synchronization component includes:

[0017] Extrusion block, the positioning assembly also includes:

[0018] A rotating block, wherein one end of the positioning rod is provided with a rotating groove, and the rotating block is rotatably connected to the inner cavity of the rotating groove;

[0019] A rotating rod, one end of which is fixedly connected to the rotating block;

[0020] A clamping plate, the clamping plate is fixedly connected to the other end of the rotating rod, and the clamping plate is slidably and interlacedly connected to the inner cavity of the positioning hole;

[0021] A limiting plate, wherein a plurality of the limiting plates are fixedly connected to the bottom end of the placement box, a clamping groove is provided at the top end of the inner wall of the limiting plate, the clamping plate is slidably inserted and connected with the inner cavity of the clamping groove, and the cross section of the limiting plate is L-shaped.

[0022] Preferably, sliders are fixedly connected to both sides of the mounting plate, and sliding grooves are provided on both sides of the inner wall of the placement box, and the sliders are slidably and interlacedly connected with the inner cavity of the sliding grooves.

[0023] Preferably, the telescopic mechanism comprises:

[0024] A sleeve, wherein the sleeve is fixedly connected to the top of the base;

[0025] A telescopic rod, one end of which is slidably connected to the inner cavity of the sleeve, and the other end of which is fixedly connected to the placement box;

[0026] A positioning bolt is threadably connected to the outer wall of the sleeve and is used to squeeze and fix the telescopic rod.

[0027] Another object of the present invention is to provide a projector, wherein the projector comprises the above-mentioned bracket.

[0028] Technical effects and advantages of the utility model:

[0029] The utility model utilizes a setting mode in which a placement box and an adjustment mechanism are matched, and the projector is fixedly mounted inside the placement box. When in use, the mounting plate can be fixed to the top of the placement box by a positioning component, and when not in use, the mounting plate and the projector can be stored inside the placement box by the positioning component, thereby avoiding the problem that the home projector can only be placed on a shelf, which not only cannot store the projector well but is also prone to dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0031] Figure 2 It is a schematic diagram of the overall front internal structure of the utility model.

[0032] Figure 3 This is a schematic diagram of the internal structure of the adjustment mechanism of the utility model from the front.

[0033] Figure 4 This is a schematic diagram of the internal structure of the positioning component of the utility model from the front.

[0034] In the figure: 1. base; 2. telescopic mechanism; 21. sleeve; 22. telescopic rod; 23. positioning bolt; 3. fixing plate; 4. placement box; 5. adjustment mechanism; 51. mounting plate; 52. connecting rod; 53. rotating rod; 54. positioning assembly; 541. positioning rod; 542. pull rod; 543. compression spring; 544. rotating block; 545. rotating rod; 546. clamping plate; 547. limit plate; 6. slider. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] The utility model provides Figure 1-4 A bracket shown has a base 1, the top of which is fixedly connected with a telescopic mechanism 2;

[0037] Furthermore, the top of the telescopic mechanism 2 is fixedly connected to a fixed plate 3, the top of the fixed plate 3 is fixedly connected to a placement box 4, the top of the placement box 4 is rotatably connected to a protective cover, and an adjustment mechanism 5 is arranged inside the placement box 4, the adjustment mechanism 5 includes: a mounting plate 51, a connecting rod 52, a rotating rod 53 and a positioning assembly 54, the mounting plate 51 is slidably and interlacedly connected with the inner cavity of the placement box 4; a plurality of connecting rods 52 are all fixedly connected to the bottom end of the mounting plate 51; a plurality of rotating rods 53 are rotatably connected to a plurality of connecting rods 52 respectively; the positioning assembly 54 is arranged at one end of the rotating rod 53, and is used to adjust and fix the mounting plate 51, and when the rotating rod 53 is clamped with the fixed plate through the positioning assembly 54, the connecting rod 52 can drive the mounting plate 51 to be located inside the placement box 4, so that the placement box 4 can be used to comprehensively protect and store the projector.

[0038] Specifically, the positioning assembly 54 includes: a positioning rod 541, a pull rod 542 and a compression spring 543. A positioning groove is provided at one end of the rotating rod 53, and positioning grooves are provided on both sides of the fixed plate 3. One end of the positioning rod 541 is slidably inserted and connected with the inner cavity of the positioning groove, and the other end of the positioning rod 541 is slidably inserted and connected with the inner cavity of the positioning hole; the pull rod 542 is fixedly connected to the bottom end of the positioning rod 541, and a pull groove is provided at the bottom end of the rotating rod 53, and the pull rod 542 is slidably inserted and connected with the inner cavity of the pull groove; the compression spring 543 is located inside the positioning groove. One end of the compression spring 543 is fixedly connected to the positioning rod 541, and the other end of the compression spring 543 is fixedly connected to the inner wall of the positioning groove. The compression spring 543 is always in a compressed state, thereby providing a stable elastic force to the positioning rod 541, so that the positioning rod 541 is always in an extended state and stably inserted with the positioning hole.

[0039] Specifically, the positioning assembly 54 also includes: a rotating block 544, a rotating rod 545, a clamping plate 546 and a limiting plate 547. A rotating groove is provided at one end of the positioning rod 541, and the rotating block 544 is rotatably connected to the inner cavity of the rotating groove; one end of the rotating rod 545 is fixedly connected to the rotating block 544; the clamping plate 546 is fixedly connected to the other end of the rotating rod 545, and the clamping plate 546 is slidably inserted and connected to the inner cavity of the positioning hole; multiple limiting plates 547 are fixedly connected to the bottom end of the placement box 4, and a clamping groove is provided at the top end of the inner wall of the limiting plate 547, and the clamping plate 546 is slidably inserted and connected to the inner cavity of the clamping groove. The cross-section of the positioning plate 547 is L-shaped. When it is not interlaced with the positioning hole, the rotating rod 53 can be rotated to be in the same straight line with the connecting rod 52. At this time, the mounting plate 51 can be pushed upward by the rotating rod 53, and the clamping plate 546 can be rotated 90° to clamp with the limit plate 547. At this time, the compression spring 543 will be in an extreme extrusion state under the weight of the projector. At this time, the pull rod 542 can contact the inner wall of the pull groove, and the clamping plate 546 and the clamping groove are clamped together with the pull rod 542 to provide double support for the mounting plate 541, so that the projector can be fixed on the top of the placement box 4, which is convenient for projection.

[0040] Furthermore, sliders 6 are fixedly connected to both sides of the mounting plate 51 , and slide grooves are provided on both sides of the inner wall of the placement box 4 . The sliders 6 are slidably and interlacedly connected with the inner cavity of the slide grooves, and the sliders 6 play a role in limiting the sliding of the mounting plate 51 .

[0041] Specifically, the telescopic mechanism 2 includes: a sleeve 21, a telescopic rod 22 and a positioning bolt 23. The sleeve 21 is fixedly connected to the top of the base 1; one end of the telescopic rod 22 is slidably inserted and connected with the inner cavity of the sleeve 21, and the other end of the telescopic rod 22 is fixedly connected to the placement box; the positioning bolt 23 is threadedly inserted and connected with the outer wall of the sleeve 21, and is used to squeeze and fix the telescopic rod 22. The telescopic rod 22 can be fixed at different positions by the positioning bolt 23, so that the horizontal height of the projector can be adjusted.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bracket, comprising: A base (1), the top of which is fixedly connected to a telescopic mechanism (2); The invention is characterized in that: the top of the telescopic mechanism (2) is fixedly connected to a fixing plate (3), the top of the fixing plate (3) is fixedly connected to a placement box (4), an adjustment mechanism (5) is arranged inside the placement box (4), and the adjustment mechanism (5) comprises: A mounting plate (51), the mounting plate (51) being slidably interlaced with the inner cavity of the placement box (4); Connecting rods (52), wherein a plurality of connecting rods (52) are fixedly connected to the bottom end of the mounting plate (51); Rotating rods (53), wherein a plurality of rotating rods (53) are respectively rotatably connected to a plurality of connecting rods (52); A positioning assembly (54), wherein the positioning assembly (54) is arranged at one end of the rotating rod (53) and is used to adjust and fix the mounting plate (51).

2. A bracket according to claim 1, characterized in that: The positioning assembly (54) comprises: A positioning rod (541), one end of the rotating rod (53) is provided with a positioning groove, both sides of the fixing plate (3) are provided with positioning grooves, one end of the positioning rod (541) is slidably inserted and connected with the inner cavity of the positioning groove, and the other end of the positioning rod (541) is slidably inserted and connected with the inner cavity of the positioning hole; A pull rod (542), the pull rod (542) is fixedly connected to the bottom end of the positioning rod (541), a pull groove is provided at the bottom end of the rotating rod (53), and the pull rod (542) is slidably connected with the inner cavity of the pull groove; A compression spring (543), wherein the compression spring (543) is located inside the positioning groove.

3. A bracket according to claim 2, characterized in that: One end of the compression spring (543) is fixedly connected to the positioning rod (541), and the other end of the compression spring (543) is fixedly connected to the inner wall of the positioning groove.

4. A bracket according to claim 2, characterized in that: The positioning assembly (54) further comprises: A rotating block (544), one end of the positioning rod (541) is provided with a rotating groove, and the rotating block (544) is rotatably connected to the inner cavity of the rotating groove; A rotating rod (545), one end of which is fixedly connected to the rotating block (544); A clamping plate (546), the clamping plate (546) is fixedly connected to the other end of the rotating rod (545), and the clamping plate (546) is slidably connected to the inner cavity of the positioning hole; A limiting plate (547), wherein a plurality of the limiting plates (547) are fixedly connected to the bottom end of the placement box (4), a snap-in groove is provided at the top end of the inner wall of the limiting plate (547), the snap-in plate (546) is slidably inserted and connected with the inner cavity of the snap-in groove, and the cross section of the limiting plate (547) is L-shaped.

5. A bracket according to claim 1, characterized in that: Slide blocks (6) are fixedly connected to both sides of the mounting plate (51), and slide grooves are provided on both sides of the inner wall of the placement box (4), and the slide blocks (6) are slidably interlaced with the inner cavity of the slide grooves.

6. A bracket according to claim 1, characterized in that: The telescopic mechanism (2) comprises: A sleeve (21), wherein the sleeve (21) is fixedly connected to the top end of the base (1); A telescopic rod (22), one end of which is slidably connected to the inner cavity of the sleeve (21), and the other end of which is fixedly connected to the placement box; A positioning bolt (23) is threadably connected to the outer wall of the sleeve (21) and is used to squeeze and fix the telescopic rod (22).

7. A projector, characterized in that: The projector comprises a bracket as described in any one of claims 1-6.

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