Angle adjusting mechanism of projection lamp

Abstract

The utility model provides an angle adjusting mechanism of a projection lamp, and relates to the technical field of angle adjustment of projection lamps, the angle adjusting mechanism comprises a mounting frame and two supporting frames rotatably connected with the mounting frame, the mounting frame is rotatably connected with a connecting shaft through a bearing, and angle adjusting pieces are arranged between the connecting shaft and the two supporting frames; the angle adjusting part comprises a rotating wheel fixedly arranged on the outer surface of the connecting shaft in a sleeving mode, two connecting ropes are wound around the rotating wheel, the winding directions of the two connecting ropes are opposite, and the two connecting ropes are both connected with the supporting frame. The rotating wheel can be driven to rotate by rotating the connecting shaft, the two connecting ropes can be wound and released in the rotating process of the rotating wheel, then the supporting frame is driven to rotate, angle adjustment is achieved, operation is labor-saving and convenient, a user can easily achieve fine adjustment or large-amplitude adjustment according to needs, and the flexibility and convenience of adjustment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the angle adjustment technical field of projection lamp, specifically, angle adjustment mechanism of projection lamp. BACKGROUND

[0002] In the lighting technical field, projection lamp because it can concentrate light and project to specific direction or area, is widely used in building lighting, landscape lighting, stage lighting etc. multiple occasions, in order to meet the lighting demand under different scenes, projection lamp usually needs to have angle adjustment ability, so that the projection direction and range of light are adjusted, however, the traditional projection lamp angle adjustment mode is more dependent on the mode of operating multiple bolts to make loose and tight, so that the adjustment process is more cumbersome. Therefore we make improvement, and propose an angle adjustment mechanism of projection lamp. UTILITY MODEL CONTENT

[0003] The utility model is directed to the following problem: the angle adjustment mode of projection lamp is more dependent on the mode of operating multiple bolts to make loose and tight, so that the adjustment process is more cumbersome.

[0004] In order to realize the above-mentioned utility model purpose, the utility model provides angle adjustment mechanism of projection lamp to improve the above-mentioned problem.

[0005] The application is as follows:

[0006] An angle adjustment mechanism of projection lamp, including mounting frame and two support frames rotatably connected with the mounting frame, the mounting frame is rotatably connected with connecting shaft through bearing, angle adjustment piece is arranged between the connecting shaft and the two support frames, the angle adjustment piece includes the rotating wheel fixedly sleeved on the outer surface of the connecting shaft, two connecting ropes are wound on the rotating wheel, the winding directions of the two connecting ropes are opposite, and the two connecting ropes are connected with the support frame.

[0007] As a preferred technical scheme of the application, the middle part of the rotating wheel is provided with a partition plate, and the partition plate is located between the two connecting ropes.

[0008] As a preferred technical scheme of the application, one end of the connecting shaft is fixedly connected with a hand wheel, and a fixing piece is arranged between the hand wheel and the mounting frame.

[0009] As a preferred technical scheme of the application, the fixing piece includes a fixing ring fixedly installed on the side surface of the mounting frame, the hand wheel is located in the fixing ring, a hand screw bolt is threadedly connected to the fixing ring, and one end of the hand screw bolt penetrates through the fixing ring and contacts the hand wheel.

[0010] As a preferred technical scheme of the application, a protective shell is installed on the inner side of the mounting frame, the rotating wheel is located in the protective shell, a through hole is formed in the protective shell, and the connecting shaft penetrates through the through hole.

[0011] As the preferred technical scheme of the present application, the connecting piece is arranged between the mounting frame and the two supporting frames.

[0012] As the preferred technical scheme of the present application, the connecting piece comprises a first connecting bolt connected between the supporting frame and the mounting frame, an arc-shaped slot is formed around the first connecting bolt on the mounting frame, and a third connecting bolt is arranged on the supporting frame and is inserted into the inner wall of the arc-shaped slot.

[0013] As the preferred technical scheme of the present application, the connecting plate is connected between the bottoms of the two supporting frames.

[0014] As the preferred technical scheme of the present application, the supporting frame is further provided with a plurality of second connecting bolts for connecting the projection lamp.

[0015] As the preferred technical scheme of the present application, a plurality of mounting holes are formed in the mounting frame, and the mounting holes are used for mounting the mounting frame.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] In the scheme of the present application:

[0018] In order to solve the problem that the angle adjustment mode of the projection lamp in the prior art is mainly dependent on the mode of loosening and tightening of a plurality of bolts, the present application drives the rotating wheel to rotate by rotating the connecting shaft, the two connecting ropes are wound and released during the rotation of the rotating wheel, and the supporting frame is driven to rotate, thereby realizing angle adjustment, which is labor-saving and convenient to operate, the user can easily realize fine adjustment or large-scale adjustment according to needs, and the flexibility and convenience of adjustment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure diagram of the angle adjustment mechanism of the projection lamp is provided in the present application;

[0020] Figure 2 The bottom structure diagram of the angle adjustment mechanism of the projection lamp is provided in the present application;

[0021] Figure 3 The front structure diagram of the angle adjustment mechanism of the projection lamp is provided in the present application;

[0022] Figure 4 The structure diagram of the rotating wheel of the angle adjustment mechanism of the projection lamp is provided in the present application;

[0023] Figure 5 The structure diagram of the partition plate of the angle adjustment mechanism of the projection lamp is provided in the present application.

[0024] Indicated in the figure:

[0025] 1, mounting frame; 101, first connecting bolt; 102, support frame; 104, second connecting bolt; 105, arc-shaped groove; 106, third connecting bolt; 107, mounting hole; 108, connecting plate; 2, protective shell; 201, connecting shaft; 202, rotating wheel; 203, connecting rope; 204, hand wheel; 205, fixed ring; 206, hand screw bolt; 207, partition plate. DETAILED DESCRIPTION

[0026] In order for those skilled in the art to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0027] As described in the background, in order to meet the lighting needs in different scenarios, the projection lamp usually needs to have angle adjustment capability in order to adjust the projection direction and range of light, however, the traditional angle adjustment mode of the projection lamp depends on the loosening and tightening of multiple bolts, which makes the adjustment process more cumbersome.

[0028] In order to solve this technical problem, the present application provides an angle adjustment mechanism of a projection lamp.

[0029] Specifically, please refer to Figures 1-5 The angle adjustment mechanism of the projection lamp specifically comprises:

[0030] The mounting frame 1 and the two support frames 102 rotatably connected with the mounting frame 1, the connecting shaft 201 is rotatably connected on the mounting frame 1 through a bearing, and the connecting shaft 201 and the two support frames 102 are both provided with an angle adjustment piece, the angle adjustment piece comprises a rotating wheel 202 fixedly sleeved on the outer surface of the connecting shaft 201, two connecting ropes 203 are wound on the rotating wheel 202, the winding directions of the two connecting ropes 203 are opposite, and the two connecting ropes 203 are both connected with the support frames 102.

[0031] The angle adjustment mechanism of the projection lamp provided by the present application can drive the rotating wheel 202 to rotate by rotating the connecting shaft 201, the rotating wheel 202 can wind and release the two connecting ropes 203 respectively during the rotating process, thereby driving the support frames 102 to rotate, realizing angle adjustment, which is labor-saving and convenient to operate, users can easily realize fine adjustment or large-scale adjustment according to needs, and the flexibility and convenience of adjustment are improved.

[0032] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings.

[0033] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0034] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0035] Embodiment 1, please refer to Figures 1-5 An angle adjusting mechanism of a projection lamp, comprising a mounting frame 1 and two support frames 102 rotatably connected with the mounting frame 1, a connecting shaft 201 is rotatably connected on the mounting frame 1 through a bearing, and an angle adjusting piece is arranged between the connecting shaft 201 and the two support frames 102, the angle adjusting piece comprises a rotating wheel 202 fixedly sleeved on the outer surface of the connecting shaft 201, two connecting ropes 203 are wound on the rotating wheel 202, the winding directions of the two connecting ropes 203 are opposite, and the two connecting ropes 203 are connected with the support frames 102; the connecting shaft 201 can be rotated to drive the rotating wheel 202 to rotate, the rotating wheel 202 can wind and release the two connecting ropes 203 respectively during the rotating process, thereby driving the support frames 102 to rotate, realizing angle adjustment, which is labor-saving and convenient to operate, users can easily realize fine adjustment or large-scale adjustment according to needs, improving the flexibility and convenience of adjustment, and the connecting rope 203 is wound in a single loop.

[0036] Further, as shown in Figure 5 The middle part of the rotating wheel 202 is provided with a partition plate 207, the partition plate 207 is located between the two connecting ropes 203, and the rotating wheel 202 can be separated by the partition plate 207, reducing the situation that the two connecting ropes 203 are wound together.

[0037] Embodiment 2, the angle adjusting mechanism of the projection lamp provided in embodiment 1 is further optimized, specifically, as shown in Figures 1-4 One end of the connecting shaft 201 is fixedly connected with a hand wheel 204, the hand wheel 204 is arranged to facilitate the rotation of the connecting shaft 201, and a fixing piece is arranged between the hand wheel 204 and the mounting frame 1, the fixing piece is used to fix the hand wheel 204 to prevent the hand wheel 204 from rotating by itself, thereby realizing the fixation of the support frames 102 after angle adjustment.

[0038] Further, as shown in Figures 1-4As shown, the fixing member comprises a fixing ring 205 fixedly installed on the side of the mounting frame 1, the hand wheel 204 is located in the fixing ring 205, a hand screw 206 is threadedly connected on the fixing ring 205, one end of the hand screw 206 penetrates through the fixing ring 205 and is in contact with the hand wheel 204, the hand wheel 204 can be limited by the hand screw 206 to prevent the hand wheel 204 from rotating by itself, and the hand screw 206 can be manually rotated, so that the operation is convenient.

[0039] Further, as shown in Figures 1-4 As shown, the inner side of the mounting frame 1 is provided with a protective shell 2, the rotating wheel 202 is located in the protective shell 2, and a through hole is formed in the protective shell 2, the connecting shaft 201 penetrates through the through hole, and the protective shell 2 can protect the rotating wheel 202 and the connecting rope 203 and the like.

[0040] In embodiment 3, the angle adjusting mechanism of the projection lamp provided in embodiment 1 or 2 is further optimized, and specifically, a connecting piece is arranged between the mounting frame 1 and the two support frames 102, and the connecting piece is used to realize the rotary connection between the mounting frame 1 and the support frames 102.

[0041] Further, as shown in Figures 1-2 The connecting piece comprises a first connecting bolt 101 connected between the support frame 102 and the mounting frame 1, an arc-shaped groove 105 is formed around the first connecting bolt 101 on the mounting frame 1, a third connecting bolt 106 is arranged on the support frame 102, and the third connecting bolt 106 is inserted into the inner wall of the arc-shaped groove 105, and the support frame 102 and the mounting frame 1 can be connected together through the cooperation of the first connecting bolt 101, the arc-shaped groove 105 and the third connecting bolt 106, and the support frame 102 rotates around the first connecting bolt 101 as the center.

[0042] Further, as shown in Figures 2-4 The bottoms of the two support frames 102 are connected with a connecting plate 108, and the connecting plate 108 is used to reinforce the two support frames 102.

[0043] Further, a plurality of second connecting bolts 104 are arranged on the support frame 102, and the second connecting bolts 104 are used to connect the projection lamp, and the projection lamp is marked as A in the figure. Figures 1-3 Through the second connecting bolt 104, the projection lamp can be installed between the two support frames 102.

[0044] Further, as shown in Figure 1 A plurality of mounting holes 107 are formed in the mounting frame 1, and the mounting holes 107 are used to mount the mounting frame 1, and after a bolt penetrates through the mounting hole 107, the mounting frame 1 can be fixed to a supporting object, so that the mounting of the application is realized.

[0045] The use process of the angle adjusting mechanism of the projection lamp is as follows:

[0046] After the hand screw bolt 206 is loosened, the hand wheel 204 is rotated, the hand wheel 204 drives the rotating wheel 202 to rotate through the connecting shaft 201, the rotating wheel 202 rotates to wind and release the two connecting ropes 203 respectively, thereby driving the support frame 102 to rotate, angle adjustment is realized, after the angle adjustment is completed, the hand screw bolt 206 is tightened to fix the hand wheel 204, thereby fixing the angle of the support frame 102.

[0047] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be directly connected, also can indirectly connect through intermediate medium, can be the communication or the interaction relationship of two elements of two elements inside, unless another definite limitation.For ordinary skilled person in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model in the specific circumstances.

[0048] Obviously, the above-described embodiments are only part of the embodiments of the utility model, and are not all the embodiments, and the preferred embodiments of the utility model are given in the drawings, but do not limit the patent range of the utility model.The utility model can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.Upon the foregoing detailed description of the utility model with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing each specific embodiment, or make equivalent replacement to part of technical features.Using the equivalent structure of the utility model specification and drawings, directly or indirectly used in other related technical fields, are also within the patent protection range of the utility model.

Claims

1. An angle adjusting mechanism of a projection lamp, characterized by comprising: The utility model provides a kind of projection lamp, including mounting frame (1) and two rotatable connection support frame (102) with mounting frame (1), connecting shaft (201) is rotatably connected on the mounting frame (1), angle adjusting piece is provided between connecting shaft (201) and two support frames (102), the angle adjusting piece includes the rotating wheel (202) of fixed sleeve on the outer surface of connecting shaft (201), two connecting ropes (203) are wound on the rotating wheel (202), the winding direction of two connecting ropes (203) is opposite, and two connecting ropes (203) are connected with support frame (102).

2. An angle adjusting mechanism for a projection lamp as defined in claim 1, wherein The middle part of the rotating wheel (202) is provided with a partition (207) between the two connecting ropes (203).

3. An angle adjustment mechanism for a projector lamp as defined in claim 2, wherein One end of the connecting shaft (201) is fixedly connected with a hand wheel (204), and a fixing member is arranged between the hand wheel (204) and the mounting frame (1).

4. An angle adjustment mechanism for a projector lamp as defined in claim 3, wherein The fixing member includes a fixed ring (205) fixedly installed on the side surface of the mounting frame (1), the hand wheel (204) is located in the fixed ring (205), a hand screw bolt (206) is threadedly connected to the fixed ring (205), and one end of the hand screw bolt (206) penetrates through the fixed ring (205) and contacts the hand wheel (204).

5. An angle adjustment mechanism for a projector lamp as defined in claim 4, wherein The inner side of the mounting frame (1) is provided with a protective shell (2), the rotating wheel (202) is located in the protective shell (2), and a through hole is formed in the protective shell (2), and the connecting shaft (201) penetrates through the through hole.

6. An angle adjustment mechanism for a projector lamp as defined in claim 5, wherein The mounting frame (1) and the two support frames (102) are provided with connecting members.

7. An angle adjustment mechanism for a projector lamp as defined in claim 6, wherein The connecting member includes a first connecting bolt (101) connected between the support frame (102) and the mounting frame (1), an arc-shaped slot (105) is formed around the first connecting bolt (101) on the mounting frame (1), a third connecting bolt (106) is arranged on the support frame (102), and the third connecting bolt (106) is inserted into the inner wall of the arc-shaped slot (105).

8. An angle adjustment mechanism for a projector lamp as defined in claim 7, wherein The bottom of the two support frames (102) is connected with a connecting plate (108).

9. An angle adjustment mechanism for a projector lamp as defined in claim 8, wherein The support frame (102) is further provided with a plurality of second connecting bolts (104), and the second connecting bolts (104) are used for connecting the projection lamp.

10. An angle adjustment mechanism for a projector lamp as defined in claim 9, wherein A plurality of mounting holes (107) are formed in the mounting frame (1), and the mounting holes (107) are used for mounting the mounting frame (1).

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