Universal adjusting mechanism and lighting device

Abstract

The utility model relates to a universal adjusting mechanism and a lighting device. The universal adjusting mechanism comprises a rotating part, a limiting part and a universal head. The rotating piece is provided with a through hole, a first limiting protrusion and a second limiting protrusion. The universal head is arranged in the through hole, a groove is formed in the universal head, the first limiting protrusion is located in the groove, and a moving space is formed between the first limiting protrusion and the groove in the rotating direction of the universal head; the rotating piece is rotationally connected with the limiting piece; the limiting piece is provided with a limiting boss used for being in contact with the second limiting protrusion for limiting. Firstly, the universal head can rotate by a first angle due to the existence of the moving space of the groove, secondly, the groove of the universal head can abut against the first limiting protrusion of the rotating piece so as to drive the rotating piece to rotate by a circle (360 degrees), the rotatable angle of the universal head is the sum of the first angle and the 360 degrees, and therefore the rotatable angle of the universal head is larger than 360 degrees. Compared with the prior art, the rotatable angle of the universal head is increased.

Description

TECHNICAL FIELD

[0001] Embodiments of the present application relate to the technical field of lighting devices, and particularly relate to a universal adjusting mechanism and a lighting device. BACKGROUND

[0002] In order to better adapt to different application scenarios, the existing lighting devices, such as single-head floor lamps, spotlights, etc., usually require that the illumination direction of the lighting device is adjustable. The existing lighting devices with adjustable direction usually include a light-emitting assembly and a universal adjusting mechanism, one end of the universal adjusting mechanism is usually used for rotating connection to the light-emitting assembly, and the other end is used for being arranged on a support, and the rotation of the universal adjusting mechanism is used to realize the adjustment of the light-emitting direction of the light-emitting assembly.

[0003] However, the present inventors have found that in the related art, after the universal adjusting mechanism is arranged in the lighting device, the illumination direction of the lighting device can be conveniently adjusted by using the universal head, thereby meeting the lighting requirements in different scenarios. However, the universal head in the prior art cannot rotate more than one circle (360 degrees), and the rotation angle is less than 360 degrees, thereby limiting the adjustment range of the illumination direction of the lighting device. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problems, embodiments of the present application provide a universal adjusting mechanism and a lighting device, which overcome the above problems or at least partially solve the above problems.

[0005] According to an aspect of embodiments of the present application, a rotating member, a limiting member and a universal head are provided; the rotating member is provided with a through hole and a first limiting protrusion extending towards the inner wall of the through hole, the rotating member is further provided with a second limiting protrusion, and the second limiting protrusion is located outside the through hole; the universal head is arranged in the through hole, and the universal head is provided with a groove, the first limiting protrusion is clamped in the groove, and between the first limiting protrusion and the groove, there is a movement space in the rotation direction of the universal head; the rotating member is rotationally connected with the limiting member; the limiting member is provided with a limiting boss, and when the rotating member rotates relative to the limiting member, the limiting boss is in contact with the second limiting protrusion for limiting.

[0006] In an optional manner, the rotating member is provided with a rotating ring, the rotating ring is arranged around the through hole, the limiting member is provided with a first circular slide rail in the circumferential direction, the rotating ring is located in the first circular slide rail, and the rotating ring can rotate along the first circular slide rail.

[0007] In an optional manner, the limiting member is provided with a second circular slide rail, the second circular slide rail is concentric with the first circular slide rail, the limiting boss is arranged in the second circular slide rail, the second limiting protrusion extends to the second circular slide rail, and the second limiting protrusion can rotate along the second circular slide rail.

[0008] In an alternative way, the second round rail is arranged around the first round rail.

[0009] In an alternative way, the limiting member is provided with a mounting hole, the rotating member is provided with a mounting portion, the mounting portion is provided with the through hole, the mounting portion extends to the mounting hole, and the mounting portion can rotate relative to the mounting hole.

[0010] In an alternative way, the gimbal adjusting mechanism further comprises a gland and a friction ring, the friction ring is arranged on the gland, the gimbal head extends to abut against an inner annular surface of the friction ring after penetrating through the through hole, and the rotating member is stacked on the gland.

[0011] In an alternative way, the gland is provided with a receiving groove, and the friction ring is arranged along a groove wall of the receiving groove.

[0012] In an alternative way, a groove wall of the receiving groove is recessed to form a limiting groove, an outer annular surface of the friction ring is provided with a limiting portion, and the limiting portion is clamped in the limiting groove.

[0013] In an alternative way, the gland is provided with an opening at a groove bottom of the receiving groove, the gland forms a pressing ring from the opening to the groove wall of the receiving groove, the pressing ring is arranged to be inclined toward a groove opening of the receiving groove, and the friction ring abuts against the pressing ring.

[0014] According to an aspect of the embodiments of the present application, a lighting device is provided, which comprises the gimbal adjusting mechanism.

[0015] The beneficial effects of the embodiments of the present application include: a universal adjusting mechanism is provided, which comprises a rotating piece, a limiting piece and a universal head; the rotating piece is provided with a through hole and a first limiting protrusion extending towards the through hole, and the rotating piece is further provided with a second limiting protrusion; the universal head is arranged in the through hole, and the universal head is provided with a groove, and the first limiting protrusion is located in the groove, and there is a movement space between the first limiting protrusion and the groove along the rotation direction of the universal head; the rotating piece is rotationally connected with the limiting piece; the limiting piece is provided with a limiting boss, and when the rotating piece rotates relative to the limiting piece, the limiting boss is used for contacting and limiting the second limiting protrusion. Through the universal adjusting mechanism, firstly, the universal head can rotate by a first angle due to the existence of the movement space of the groove, and secondly, the groove of the universal head can abut against the first limiting protrusion of the rotating piece to drive the rotating piece to rotate, and from the abutment of the groove of the universal head and the first limiting protrusion of the rotating piece to the abutment of the second limiting protrusion of the rotating piece by the limiting boss of the limiting piece, the universal head rotates by 360 degrees, and the angle at which the universal head can rotate is the sum of the first angle and 360 degrees, so the angle at which the universal head can rotate is greater than 360 degrees, compared with the prior art, the rotatable angle of the universal head is increased, and the adjustment range of the illumination direction and the illumination angle of the lighting device provided with the universal adjusting mechanism can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] One or more embodiments are illustrated by way of example in the figures that form a part of this disclosure and which are shown by way of example, not limitation, in the figures of the accompanying drawings and in which like references indicate similar elements, and in which:

[0017] Figure 1 is a schematic view of the universal adjusting mechanism provided by the embodiments of the present application;

[0018] Figure 2 is a schematic view of the universal adjusting mechanism provided by the embodiments of the present application along the section A-A; Figure 1 is a sectional view of the universal adjusting mechanism provided by the embodiments of the present application along the section P;

[0019] Figure 3 is an exploded schematic view of the lighting device provided by the embodiments of the present application;

[0020] Figure 4 is a sectional view of the lighting device provided by the embodiments of the present application along the section Q; Figure 1

[0021] Figure 5 is a schematic view of the lighting device provided by the embodiments of the present application. DETAILED DESCRIPTION

[0022] ​For the convenience of understanding the present application, the present application is described in more detail below in conjunction with the drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element or one or more intervening elements can be present therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element or one or more intervening elements can be present therebetween. The terms "vertical", "horizontal", "left", "right", "inner", "outer" and the like used in the present specification are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used in the present specification are intended to have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the present specification are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used in the present specification includes any and all combinations of one or more of the associated listed items.

[0024] Please refer to Figure 1 , Figure 2 and Figure 3 , the embodiment of the present application provides a universal adjusting mechanism 100, which comprises a rotating member 10, a limiting member 20 and a universal head 30.

[0025] The rotating member 10 is provided with a through hole 101 and a first limiting protrusion 102 extending towards the inner wall of the through hole 101, and the rotating member 10 is further provided with a second limiting protrusion 103 located outside the through hole 101; the universal head 30 is arranged in the through hole 101, and the universal head 30 is provided with a groove 301, the first limiting protrusion 102 is clamped in the groove 301, and between the first limiting protrusion 102 and the groove 301 there is a moving space 3011 along the rotation direction C1 of the universal head 30; the rotating member 10 is rotationally connected with the limiting member 20.

[0026] The limiting member 20 is provided with a limiting boss 201, and when the rotating member 10 rotates relative to the limiting member 20, the limiting boss 201 contacts and limits the second limiting protrusion 103.

[0027] Through the universal adjusting mechanism 100, firstly, the gimbal head 30 can rotate a first angle due to the existence of the active space 3011 of the groove 301, secondly, the groove 301 of the gimbal head 30 can abut against the first limiting protrusion 102 of the rotating piece 10, so that the gimbal head 30 can drive the rotating piece 10 to rotate, from the abutment of the groove 301 of the gimbal head 30 and the first limiting protrusion 102 of the rotating piece 10 to the abutment of the second limiting protrusion 103 of the rotating piece 10 by the limiting protrusion 201 of the limiting piece 20, the gimbal head 30 rotates a circle (360 degrees), the angle that the gimbal head 30 can rotate is the sum of the first angle and 360 degrees, so the angle that the gimbal head 30 can rotate is greater than 360 degrees, compared with the prior art, the rotatable angle of the gimbal head 30 is increased, and the adjustment range of the illumination direction of the lighting device provided with the universal adjusting mechanism 100 can be improved.

[0028] It should be noted that, in some embodiments, referring to Figure 2 and Figure 3 , the rotating piece 10 is provided with a rotating ring 104, the rotating ring 104 is arranged around the through hole 101, the limiting piece 20 is circumferentially provided with a first circular slide rail 202, the rotating ring 104 is located on the first circular slide rail 202, and the rotating ring 104 can rotate along the first circular slide rail 202. Through the arrangement of the rotating ring 104 and the first circular slide rail 202, the rotation of the rotating piece 10 relative to the limiting piece 20 is smooth and stable.

[0029] It should be noted that, in some embodiments, referring to Figure 2 and Figure 3 , the limiting piece 20 is provided with a second circular slide rail 203, the second circular slide rail 203 is concentric with the first circular slide rail 202, the limiting protrusion 201 is arranged on the second circular slide rail 203, the second limiting protrusion 103 extends to the second circular slide rail 203, and the second limiting protrusion 103 can rotate along the second circular slide rail 203. Through the arrangement, not only a specific scheme is provided for the limiting protrusion 201 to contact and limit the second limiting protrusion 103, but also the second circular slide rail 203 is arranged, so that the second limiting protrusion 103 of the rotating piece 10 is guided by the second circular slide rail 203 of the limiting piece 20, and the rotation of the rotating piece 10 relative to the limiting piece 20 is more stable.

[0030] It should be noted that, in some embodiments, the second circular slide rail 203 is arranged around the first circular slide rail 202. It can be understood that, in some embodiments, the first circular slide rail 202 is arranged around the second circular slide rail 203.

[0031] It should be noted that, in some embodiments, referring to Figure 3The limiting piece 20 is provided with a mounting hole 204, the rotating piece 10 is provided with a mounting portion 105, the mounting portion 105 is provided with a through hole 101, the mounting portion 105 extends to the mounting hole 204, the mounting portion 105 can rotate relative to the mounting hole 204, through the setting of the mounting hole 204, when the rotating piece 10 rotates relative to the limiting piece 20, the limiting piece 20 radially limits the rotating piece 10 at the mounting hole 204, and the stability of the rotating piece 10 when rotating relative to the limiting piece 20 is improved.

[0032] It should be noted that, in some embodiments, referring to Figure 3 The gimbal adjusting mechanism 100 further comprises a gland 40 and a friction ring 50, the friction ring 50 is arranged on the gland 40, the gimbal head 30 extends to abut against the inner ring surface of the friction ring 50 after penetrating through the through hole 101, and the rotating piece 10 is stacked on the gland 40, through the setting of the gland 40 and the friction ring 50, the inner ring surface of the friction ring 50 can provide a friction force to the gimbal head 30, the friction force can dampen the rotation of the gimbal head 30 to some extent, and the stability of the gimbal head 30 during rotation can be improved.

[0033] It should be noted that, in some embodiments, the gland 40 is provided with a receiving groove 401, and the friction ring 50 is arranged along the groove wall of the receiving groove 401. The receiving groove 401 provides an accurate mounting position for the friction ring 50, so that the friction ring 50 can be closely attached to the groove wall of the receiving groove 401, and the friction ring 50 can be stably mounted on the gland 40, reducing the risk of the friction ring 50 falling off or loosening.

[0034] It should be noted that, in some embodiments, the groove wall of the receiving groove 401 is recessed to form a limiting groove 4011, and the outer ring surface of the friction ring 50 is provided with a limiting portion 501, the limiting portion 501 is arranged in the limiting groove 4011, through the setting, the limiting groove 4011 provides a clamping position for the limiting portion 501, so that the limiting portion 501 can be clamped in the limiting groove 4011, the position of the friction ring 50 can be fixed, the gimbal head 30 can be prevented from driving the friction ring 50 to deviate or shake during rotation, and the damping effect of the friction ring 50 on the gimbal head 30 is ensured.

[0035] It can be understood that the number of limiting grooves 4011 can be set according to actual needs, and the number of limiting portions 501 can also be set according to actual needs, the number of limiting grooves 4011 is the same as the number of limiting portions 501, and one limiting portion 501 is arranged in one limiting groove 4011.

[0036] It should be noted that, in some embodiments, referring to Figure 4The grommet 40 is provided with an opening 402 at the bottom of the accommodating groove 401, and the grommet 40 forms a pressing ring 41 from the opening 402 to the wall of the accommodating groove 401. The pressing ring 41 is inclined towards the opening of the accommodating groove 401, and the friction ring 50 abuts against the pressing ring 41. The friction ring 50 is clamped by the pressing ring 41 and the rotating member 10, and is stably arranged in the accommodating groove 401. In addition, the pressing ring 41 is inclined, so that the friction ring 50 can be pressed by the pressing ring 41 when subjected to a rotating force or an external force, thereby ensuring the damping effect of the friction ring 50 on the universal head 30.

[0037] The embodiment of the application further provides an embodiment of the lighting device 1000. As shown in the figure, the lighting device 1000 comprises the universal adjusting mechanism 100. The specific structure and function of the universal adjusting mechanism 100 can refer to the above embodiment, and will not be repeated here. Figure 5

[0038] It should be noted that the specification and drawings of the application provide the preferred embodiments of the application, but the application can be implemented in many different forms, and is not limited to the embodiments described in the specification. The embodiments do not limit the content of the application, and the purpose of providing the embodiments is to make the disclosure of the application more thorough and comprehensive. And, the above technical features continue to combine, forming various embodiments not listed above, which are considered to be within the scope of the application. Furthermore, for those skilled in the art, the above description can be improved or changed, and all these improvements and changes shall be within the protection scope of the appended claims of the application.​

Claims

1. A universal adjustment mechanism, characterized in that The universal adjusting mechanism comprises a rotating member, a limiting member and a universal head. The rotating member is provided with a through hole and a first limiting protrusion extending towards the inner wall of the through hole, and the rotating member is also provided with a second limiting protrusion located outside the through hole. The universal head is arranged in the through hole, and the universal head is provided with a groove, and the first limiting protrusion is clamped in the groove, and there is a movement space between the first limiting protrusion and the groove in the rotation direction of the universal head. The rotating member is rotationally connected with the limiting member, and the limiting member is provided with a limiting boss, and when the rotating member rotates relative to the limiting member, the limiting boss is in contact with the second limiting protrusion for limiting. The rotating member is provided with a rotating ring, and the rotating ring is arranged around the through hole, and the limiting member is provided with a first circular sliding rail in the circumferential direction, and the rotating ring is located in the first circular sliding rail and can rotate along the first circular sliding rail.

2. The gimbaling mechanism according to claim 1, characterized in that The limiting member is provided with a second circular sliding rail, and the second circular sliding rail is concentric with the first circular sliding rail, and the limiting boss is arranged in the second circular sliding rail, and the second limiting protrusion extends to the second circular sliding rail, and the second limiting protrusion can rotate along the second circular sliding rail.

3. The gimbaling mechanism of claim 2, wherein, The second circular sliding rail is arranged around the first circular sliding rail.

4. The gimbaling mechanism of claim 3, wherein, The limiting member is provided with a mounting hole, and the rotating member is provided with a mounting portion, and the mounting portion is provided with the through hole, and the mounting portion extends to the mounting hole and can rotate relative to the mounting hole.

5. The gimbaling mechanism of claim 1, wherein, The universal adjusting mechanism further comprises a gland and a friction ring, and the friction ring is arranged in the gland, and the universal head extends to abut against the inner ring surface of the friction ring after penetrating through the through hole, and the rotating member is stacked in the gland.

6. The gimbaling mechanism according to any one of claims 1-5, characterized in that, The gland is provided with a receiving groove, and the friction ring is arranged around the groove wall of the receiving groove.

7. The gimbaling mechanism of claim 6, wherein, The groove wall of the receiving groove is recessed to form a limiting groove, and the outer ring surface of the friction ring is provided with a limiting portion, and the limiting portion is clamped in the limiting groove.

8. The gimbaling mechanism of claim 7, wherein, The gland is provided with an opening at the groove bottom of the receiving groove, and the gland forms a pressing ring from the opening to the groove wall of the receiving groove, and the pressing ring is arranged inclinedly towards the groove opening of the receiving groove, and the friction ring abuts against the pressing ring.

9. The gimbaling mechanism of claim 8, wherein, The universal adjusting mechanism comprises any one of claims 1-9.

10. An illumination device, characterized by ​

Images