Rotating device and lamp

Abstract

The utility model provides a rotating device and a lamp. The rotating device comprises: a housing assembly; one end of the rotating assembly is located in the shell assembly, the other end of the rotating assembly is located outside the shell assembly, at least one part of the rotating assembly can rotate relative to the shell assembly, and the part, located in the shell assembly, of the rotating assembly is provided with a first matching structure; a positioning member; the positioning piece is provided with second matching structures, and at least one of the first matching structures and the second matching structures is at least two; or the number of the first matching structure and the number of the second matching structure are both one and are mutually contacted end faces; the positioning piece is arranged on the rotating assembly in a sleeving mode, and the rotating assembly can rotate relative to the positioning piece. The rotatable lamp solves the problem that a rotatable lamp in the prior art is poor in use performance.

Description

[0001] This application claims priority to the patent application filed with the State Intellectual Property Office of China on April 22, 2024, with application number 202420844739X and invention name “Rotating device and lamp”. Technical Field

[0002] The utility model relates to the field of lamp equipment, and in particular to a rotating device and a lamp. Background Art

[0003] There are many types of lamps on the market, and their functions vary depending on the application. One type of lamp is a rotatable lamp head. In other words, the lamp head with the light source can be rotated relative to the handheld lamp body to conveniently adjust the lamp head's illumination angle to meet different illumination needs. Although existing lamps can achieve lamp head rotation, their internal structure is relatively complex to achieve this function, and the positioning effect during the rotation of the lamp head is poor.

[0004] Therefore, the existing technology has the problem of poor performance of rotatable lamps. Utility Model Content

[0005] The main purpose of the utility model is to provide a rotating device and a lamp to solve the problem of poor performance of rotatable lamps in the prior art.

[0006] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, a rotating device is provided, including: a shell assembly; a rotating assembly, one end of the rotating assembly is located inside the shell assembly, and the other end of the rotating assembly is located outside the shell assembly, at least a part of the rotating assembly can rotate relative to the shell assembly, and the part of the rotating assembly located inside the shell assembly has a first matching structure; a positioning member; the positioning member has a second matching structure, at least one of the first matching structure and the second matching structure is at least two; or the first matching structure and the second matching structure are both one and are end faces in contact with each other; the positioning member is sleeved on the rotating assembly, and the rotating assembly can rotate relative to the positioning member.

[0007] Furthermore, when at least one of the first mating structure and the second mating structure is at least two and the rotating component rotates to different positions, the second mating structure cooperates with different first mating structures or the first mating structure cooperates with different second mating structures to keep the rotating component in different positions.

[0008] Furthermore, the rotating assembly includes: a rotating body, one end of the rotating body is located inside the shell assembly, the other end of the rotating body is located outside the shell assembly, and at least a part of the rotating body can rotate relative to the shell assembly; a follower, the follower has a first matching structure, and the follower is sleeved on the rotating body and rotates relative to the positioning member together with the rotating body.

[0009] Furthermore, when the follower rotates with the rotating body, the follower moves relative to the positioning member in the direction of approaching or moving away from the positioning member in the axial direction of the rotating body.

[0010] Furthermore, one of the first matching structure and the second matching structure is a positioning groove, and the other is a positioning protrusion. When the first matching structure and the second matching structure match each other, at least a portion of the positioning protrusion is located inside the positioning groove.

[0011] Furthermore, the rotating device further comprises a deforming member, which is sleeved on the rotating body and arranged on a side of the positioning member away from the follower member.

[0012] Furthermore, the deformable member includes at least one of a spring and a silicone pad; and / or the rotating device also includes a gasket and a retaining spring respectively mounted on the rotating body, one end of the deformable member abuts against the side of the positioning member away from the follower, and the other end of the deformable member abuts against the gasket, the gasket has at least one limiting protrusion abutting against the circumferential inner wall of the shell assembly, the retaining spring is arranged on the side of the gasket away from the deformable member, and a limiting flange is provided on the circumferential side wall of the rotating body corresponding to the side of the retaining spring away from the gasket.

[0013] Furthermore, there are four first matching structures, and the angle between the line connecting two adjacent first matching structures and the center of the follower is 90 degrees. There are two second matching structures, and the angle between the line connecting the two second matching structures and the center of the positioning member is 180 degrees, and the two second matching structures match with different first matching structures at the same time.

[0014] Furthermore, the rotating body and / or the follower has a first stop protrusion, and the circumferential inner side wall of the housing assembly has a second stop protrusion that cooperates with the first stop protrusion.

[0015] Furthermore, a circumferential side wall of the rotating body corresponding to the end of the follower away from the positioning member has a stop flange, and the follower is engaged with the stop flange.

[0016] According to another aspect of the present invention, a lamp is provided, comprising the above-mentioned rotating device.

[0017] Applying the technical solution of the present utility model, the rotating device of the present application includes a shell assembly, a rotating assembly and a positioning member, one end of the rotating assembly is located inside the shell assembly, and the other end of the rotating assembly is located outside the shell assembly. At least a part of the rotating assembly can rotate relative to the shell assembly, and the part of the rotating assembly located inside the shell assembly has a first matching structure; the positioning member has a second matching structure, at least one of the first matching structure and the second matching structure is at least two; or the first matching structure and the second matching structure are both one and are end faces in contact with each other; the positioning member is sleeved on the rotating assembly, and the rotating assembly can rotate relative to the positioning member.

[0018] When using the rotating device of the present application, since one end of the rotating assembly is located outside the housing assembly and the rotating assembly is rotatable relative to the housing assembly, the lamp cap portion of the lamp can be mounted on the portion of the rotating assembly located outside the housing assembly, thereby enabling rotational adjustment of the lamp cap. Furthermore, during rotation of the rotating assembly relative to the positioning member, since the rotating assembly and the positioning member have mutually cooperating first and second cooperating structures, the lamp cap portion can be positioned in different positions by cooperating with the second cooperating structure and a different first cooperating structure, or vice versa. When the first and second cooperating structures are contacting end surfaces, the rotating assembly can remain in any position during relative positioning and rotation, or the rotation angle of the rotating assembly can be infinitely adjusted. Therefore, the rotating device of the present application can achieve rotational positioning of the rotating assembly solely through the cooperating rotation of the rotating assembly and the positioning member. Therefore, the rotating device of the present application is characterized by its ability to be rotationally positioned and its simple structure. Furthermore, the rotating device of the present application effectively solves the problem of poor performance in conventional rotatable lamps. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting part of this application are provided to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are provided to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0020] Figure 1 A schematic diagram showing the internal structure of a rotating device according to a specific embodiment of the present utility model is shown; and

[0021] Figure 2 Shown Figure 1 A schematic structural diagram of the rotating body of the rotating device;

[0022] Figure 3 Shown Figure 1 A schematic structural diagram of the housing assembly of the rotating device;

[0023] Figure 4 Shown Figure 1 A schematic structural diagram of a follower of a rotating device;

[0024] Figure 5 Shown Figure 1 A schematic structural diagram of a positioning member of a rotating device;

[0025] Figure 6 A schematic structural diagram of a rotating device according to a specific embodiment of the present application is shown;

[0026] Figure 7 A schematic structural diagram of a lamp according to a specific embodiment of the present application is shown;

[0027] Figure 8 A schematic diagram showing the internal structure of a rotating device according to another specific embodiment of the present application is shown;

[0028] Figure 9 A schematic diagram showing the internal structure of a rotating device according to another specific embodiment of the present application is shown;

[0029] Figure 10 Shown Figure 8 An exploded view of a portion of the rotating device;

[0030] Figure 11 Shown Figure 9 Exploded view of part of the rotating device.

[0031] The above drawings include the following reference numerals:

[0032] 1. Rotating assembly; 10. Rotating body; 11. Limiting flange; 12. Stop flange; 121. Snap-fit opening; 13. Wire passage; 14. Cylindrical portion; 15. Mounting portion; 20. Housing assembly; 21. Second stop protrusion; 30. Follower; 31. First matching structure; 32. First stop protrusion; 33. Snap-fit protrusion; 40. Positioning member; 41. Second matching structure; 50. Deformation member; 60. Gasket; 61. Limiting protrusion; 70. Retaining spring; 80. Rotating device. DETAILED DESCRIPTION

[0033] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0035] In the present invention, unless otherwise specified, directional words such as "up, down, top, bottom" are usually used with reference to the directions shown in the drawings, or with reference to the components themselves in the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above directional words are not used to limit the present invention.

[0036] In order to solve the problem of poor performance of rotatable lamps in the prior art, the present application provides a rotating device and a lamp.

[0037] Furthermore, the lamp in the present application has the following rotating device 80 . Meanwhile, the lamp head of the lamp can be arranged on the rotating body 10 of the following rotating device 80 and rotate together with the rotating body 10 .

[0038] like Figures 1 to 7 As shown, the rotating assembly includes a housing assembly 20, a rotating assembly 1, and a positioning member 40. One end of the rotating assembly 1 is located inside the housing assembly 20, and the other end of the rotating assembly 1 is located outside the housing assembly 20. At least a portion of the rotating assembly 1 is capable of rotating relative to the housing assembly 20, and the portion of the rotating assembly 1 located inside the housing assembly 20 has a first mating structure 31; the positioning member 40 has a second mating structure 41, and at least one of the first mating structure 31 and the second mating structure 41 is at least two; or both the first mating structure 31 and the second mating structure 41 are one and are end surfaces that contact each other; the positioning member 40 is sleeved on the cylindrical portion 14 of the rotating assembly 1, and the rotating assembly 1 is capable of rotating relative to the positioning member 40.

[0039] When at least one of the first mating structure 31 and the second mating structure 41 is at least two, the first mating structure and the second mating structure are not end-face mating, and when the rotating component 1 rotates to different positions, the second mating structure 41 is mated with different first mating structures 31 or the first mating structure 31 is mated with different second mating structures 41 to keep the rotating component 1 at different positions.

[0040] When using the rotating device of the present application, since one end of the rotating assembly is located outside the housing assembly and the rotating assembly is rotatable relative to the housing assembly, the lamp cap portion of the lamp can be mounted on the portion of the rotating assembly located outside the housing assembly, thereby enabling rotational adjustment of the lamp cap. Furthermore, during rotation of the rotating assembly relative to the positioning member, since the rotating assembly and the positioning member have mutually cooperating first and second cooperating structures, the lamp cap portion can be positioned in different positions by cooperating with the second cooperating structure with a different first cooperating structure, or with the first cooperating structure with a different second cooperating structure, or with different first cooperating structures with different second cooperating structures. When the first and second cooperating structures are contacting end surfaces, the rotating assembly can remain in any position during relative positioning and rotation, enabling stepless adjustment of the rotating assembly's rotation angle. Therefore, the rotating device of the present application can achieve rotational positioning of the rotating assembly solely through the interaction between the rotating assembly and the positioning member. Therefore, the rotating device of the present application is characterized by its ability to rotate and position relative to the positioning member and its simple structure. Furthermore, the rotating device of the present application effectively solves the problem of poor performance in conventional rotatable lamps.

[0041] Specifically, the rotating assembly 1 includes a rotating body 10 and a follower 30. In a specific embodiment of the present application, the rotating body 10 includes a cylindrical portion 14 and a mounting portion 15 that are connected to each other. One end of the rotating body 10 is located inside the housing assembly 20, and the other end of the rotating body 10 is located outside the housing assembly 20, and at least a portion of the rotating body 10 is capable of rotating relative to the housing assembly 20; the follower 30 has a first mating structure 31, and the follower 30 is sleeved on the cylindrical portion 14 of the rotating body 10 and rotates relative to the positioning member 40 together with the rotating body 10. And when the follower 30 rotates to different positions with the rotating body 10, the second mating structure 41 cooperates with different first mating structures 31 or the first mating structure 31 cooperates with different second mating structures 41, so that the rotating body 10 and the follower 30 remain in different positions.

[0042] When using the rotating device of the present application, since one end of the rotating body 10 is located outside the housing assembly 20 and the rotating body 10 can rotate relative to the housing assembly 20, the lamp cap portion of the lamp can be mounted on the portion of the rotating body 10 located outside the housing assembly 20, thereby achieving rotational adjustment of the lamp cap. Furthermore, as the rotating body 10 drives the follower 30 to rotate relative to the positioning member 40, since the follower 30 and the positioning member 40 have mutually cooperating first and second cooperating structures 31 and 41, the lamp cap portion can be positioned in different positions by cooperating with the second cooperating structure 41 with different first cooperating structures 31, or with different first cooperating structures 31 with different second cooperating structures 41. Therefore, the rotating device of the present application can achieve rotational positioning of the rotating body 10 solely through the interaction between the follower 30 and the positioning member 40. Therefore, the rotating device of the present application is characterized by its ability to achieve rotational positioning and a simple structure. Furthermore, the rotating device of the present application effectively solves the problem of poor performance in conventional rotatable lamps. When the first matching structure and the second matching structure are end surfaces that contact each other, the surface on the side where the follower 30 and the positioning member 40 contact each other is the first matching structure and the second matching structure.

[0043] It should be noted that in the present application, the rotating body can be made of metal, while the follower and positioning member can be made of plastic. The purpose of this arrangement is to effectively prevent the positioning member from directly contacting the metal material through the cooperation between the follower and the positioning member, thereby reducing damage to the positioning member and thus extending the service life of the positioning member. Of course, in the present application, the rotating body and the follower can also be made by an integral molding process.

[0044] It should be noted that in the present application, although the positioning member 40 is mounted on the cylindrical portion 14 of the rotating body 10, the positioning member 40 does not rotate with the rotating body 10. In order to achieve this effect, a convex ridge that abuts against the inner wall of the shell assembly 20 can be provided on the circumferential side wall of the positioning member 40, or the positioning member 40 can be provided with a polyhedron structure. Of course, a connecting member can also be provided between the positioning member 40 and the shell assembly 20, as long as it can be ensured that the positioning member 40 does not rotate with the rotating body 10.

[0045] Optionally, both the follower 30 and the positioning member 40 are disposed inside the housing assembly 20 .

[0046] Optionally, when the follower 30 rotates with the rotating body 10, the follower 30 moves relative to the positioning member 40 in the axial direction of the rotating body 10 in a direction closer to or farther away from the positioning member 40. With this arrangement, when the user operates the rotating body 10 to rotate relative to the housing assembly 20, the follower 30 moves relative to the positioning member 40 along the axial direction of the rotating body 10, providing the user with an operational feel and an audible prompt, thereby ensuring that the user can more easily determine whether the rotating body 10 has been fully rotated, thereby enhancing the user's user experience. Of course, since the follower 30 and the positioning member 40 move relative to each other, the actual movement mode can be that the positioning member 40 moves axially along the rotating body 10 within the housing assembly 20 (that is, the positioning member 40 moves up and down). Therefore, in this embodiment, the positioning member 40 is a rectangular parallelepiped structure, thereby ensuring that the positioning member 40 can move along the axial direction of the rotating body 10 while also being able to cooperate with the inner sidewall of the housing assembly 20 to ensure that the positioning member 40 does not rotate with the rotating body 10.

[0047] Optionally, one of the first mating structure 31 and the second mating structure 41 is a positioning groove, and the other is a positioning protrusion. When the first mating structure 31 and the second mating structure 41 are mated with each other, at least a portion of the positioning protrusion is located inside the positioning groove. In a specific embodiment of the present application, the follower 30 is located at an end of the housing assembly 20 that is close to the rotating body 10 relative to the positioning member 40. In other words, in this embodiment, the follower 30 is arranged above the positioning member 40. And, as Figure 1 、 Figure 4 and Figure 5 As shown, the first mating structure 31 is a positioning groove, and the second mating structure 41 is a positioning protrusion. Of course, the relative position between the follower 30 and the positioning member 40 can also be changed according to actual usage. Preferably, the positioning groove and the positioning protrusion each have an arc-shaped chamfer, so as to ensure that the positioning protrusion can more easily enter or exit the positioning groove during the process of the follower 30 rotating with the rotating body 10. In other words, in this application, the rotational positioning of the rotating body 10 can be achieved through the mutual cooperation of the positioning groove and the positioning protrusion. In addition, since the positioning protrusion also produces a sound when entering the positioning groove, it can serve as a reminder to the user.

[0048] Optionally, the rotating device further includes a deformable member 50, which is sleeved on the cylindrical portion 14 of the rotating body 10 and disposed on a side of the positioning member 40 away from the follower 30. By providing the deformable member 50, the deformation of the deformable member 50 can provide an escape space for the movement of the positioning member 40, thereby ensuring that the positioning protrusion can more easily enter or exit the positioning groove.

[0049] Preferably, the deformable member 50 includes at least one of a spring and a silicone pad. Figure 1 As shown, when the deforming member 50 is a spring, the deforming member 50 may be a wave spring.

[0050] Alternatively, as Figure 1 As shown, the rotating device further includes a gasket 60 and a retaining spring 70, each of which is sleeved on the cylindrical portion 14 of the rotating body 10. One end of the deformable member 50 abuts against the side of the positioning member 40 away from the follower 30, and the other end of the deformable member 50 abuts against the gasket 60. The gasket 60 has at least one limiting protrusion 61 abutting against the circumferential inner sidewall of the housing assembly 20. The retaining spring 70 is provided on the side of the gasket 60 away from the deformable member 50, and a limiting flange 11 is provided on the circumferential sidewall of the rotating body 10 corresponding to the side of the retaining spring 70 away from the gasket 60. Of course, in the present application, a receiving groove for accommodating the retaining spring 70 and / or the gasket 60 can also be provided on the circumferential sidewall of the rotating body 10.

[0051] Different from the above embodiment, Figure 8 and Figure 10 In the illustrated embodiment, the deformable member 50 is a silicone pad, and the rotating body 10 and the follower 30 are separate structures.

[0052] Different from the above embodiment, Figure 9 and Figure 11 In the illustrated embodiment, the deformable member 50 is a silicone pad, and the rotating body 10 and the follower 30 are integrally formed, or in other words, the rotating body 10 and the follower 30 are an integrated structure.

[0053] In a specific embodiment of the present application, Figure 4 and Figure 5 As shown, there are four first mating structures 31, and the angle between the line connecting two adjacent first mating structures 31 and the center of the follower 30 is 90 degrees. There are two second mating structures 41, and the angle between the line connecting the two second mating structures 41 and the center of the positioning member 40 is 180 degrees. The two second mating structures 41 also mate with different first mating structures 31 at the same time. This arrangement ensures a better rotational positioning effect on the rotating body 10. At the same time, this arrangement also facilitates the assembly and positioning between the follower 30 and the positioning member 40 during assembly through the cooperation of the first mating structures 31 and the second mating structures 41.

[0054] Optionally, the rotating body 10 and / or the follower 30 has a first stop protrusion 32 , and the circumferential inner side wall of the housing assembly 20 has a second stop protrusion 21 that cooperates with the first stop protrusion 32 .

[0055] Preferably, if Figure 3 and Figure 4As shown, the first stop protrusion 32 is disposed on the outer periphery of the follower 30 and extends radially along the rotating body 10. Furthermore, in this embodiment, when the rotating body 10 rotates in different directions, the first stop protrusion 32 can abut against both ends of the second stop protrusion 21, thereby limiting the rotation angle of the rotating body 10. In a specific embodiment of the present application, the rotation angle of the rotating body 10 is less than or equal to 270 degrees. Of course, depending on different usage requirements, the maximum rotation angle of the rotating body 10 can be changed by changing the circumferential extension length of the second stop protrusion 21 along the circumferential inner sidewall of the housing assembly 20.

[0056] Optionally, the circumferential sidewall of the rotating body 10, corresponding to the end of the follower 30 away from the positioning member 40, includes a stop flange 12, and the follower 30 engages with the stop flange 12. Preferably, the stop flange 12 extends radially of the rotating body 10. Furthermore, the stop flange 12 has a snap-fit opening 121, and the follower 30 has a snap-fit protrusion 33 extending axially of the rotating body 10 and engaging with the snap-fit opening 121. The engagement between the snap-fit protrusion 33 and the snap-fit opening 121 ensures that the follower 30 rotates along with the rotating body 10.

[0057] Optionally, one end of the rotating body 10 located in the housing assembly 20 has a wire passage 13. The wire passage 13 can provide a space for the wires of the lamp holder, thereby ensuring that the rotating body 10 will not interfere with the wires when driving the lamp holder to rotate together, thereby ensuring the rotation effect of the rotating body 10.

[0058] Optionally, the housing assembly 20 is composed of two parts spliced together.

[0059] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0060] 1. Effectively solve the problem of poor performance of rotatable lamps in the existing technology;

[0061] 2. Simple structure and stable performance.

[0062] Obviously, the embodiments described above are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0063] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, tasks, devices, components and / or combinations thereof.

[0064] It should be noted that the terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0065] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A rotating device, characterized in that: include: a housing assembly (20); A rotating assembly (1), one end of the rotating assembly (1) is located inside the housing assembly (20), the other end of the rotating assembly (1) is located outside the housing assembly (20), at least a portion of the rotating assembly (1) is rotatable relative to the housing assembly (20), and the portion of the rotating assembly (1) located inside the housing assembly (20) has a first matching structure (31); Positioning member (40); The positioning member (40) has a second matching structure (41), and at least one of the first matching structure (31) and the second matching structure (41) is at least two; or the first matching structure (31) and the second matching structure (41) are both one and are end surfaces in contact with each other; The positioning member (40) is sleeved on the rotating assembly (1), and the rotating assembly (1) is capable of rotating relative to the positioning member (40).

2. The rotating device according to claim 1, characterized in that When at least one of the first cooperating structure (31) and the second cooperating structure (41) is at least two and the rotating component (1) rotates to different positions, the second cooperating structure (41) cooperates with different first cooperating structures (31) or the first cooperating structure (31) cooperates with different second cooperating structures (41) to keep the rotating component (1) at different positions.

3. The rotating device according to claim 2, characterized in that The rotating assembly (1) comprises: a rotating body (10), one end of the rotating body (10) being located inside the housing assembly (20), the other end of the rotating body (10) being located outside the housing assembly (20), and at least a portion of the rotating body (10) being rotatable relative to the housing assembly (20); A follower (30), the follower (30) having the first matching structure (31), and the follower (30) is sleeved on the rotating body (10) and rotates relative to the positioning member (40) along with the rotating body (10).

4. The rotating device according to claim 3, characterized in that When the follower (30) rotates with the rotating body (10), the follower (30) moves relative to the positioning member (40) in a direction approaching or moving away from the positioning member (40) in the axial direction of the rotating body (10).

5. The rotating device according to claim 3, characterized in that One of the first matching structure (31) and the second matching structure (41) is a positioning groove, and the other is a positioning protrusion. When the first matching structure (31) and the second matching structure (41) match each other, at least a portion of the positioning protrusion is located inside the positioning groove.

6. The rotating device according to claim 5, characterized in that The rotating device further comprises a deforming member (50), wherein the deforming member (50) is sleeved on the rotating body (10) and arranged on a side of the positioning member (40) away from the follower (30).

7. The rotating device according to claim 6, characterized in that The deformable member (50) includes at least one of a spring and a silicone pad; and / or The rotating device further comprises a gasket (60) and a retaining spring (70) respectively sleeved on the rotating body (10); one end of the deformable member (50) abuts against a side of the positioning member (40) away from the follower (30); the other end of the deformable member (50) abuts against the gasket (60); the gasket (60) has at least one limiting protrusion (61) abutting against a circumferential inner side wall of the housing assembly (20); the retaining spring (70) is arranged on a side of the gasket (60) away from the deformable member (50); and a limiting flange (11) is provided on the circumferential side wall of the rotating body (10) corresponding to a side of the retaining spring (70) away from the gasket (60).

8. The rotating device according to claim 5, characterized in that There are four first matching structures (31), and the angle between the line connecting two adjacent first matching structures (31) and the center of the follower (30) is 90 degrees. There are two second matching structures (41), and the angle between the line connecting the two second matching structures (41) and the center of the positioning member (40) is 180 degrees. The two second matching structures (41) match with different first matching structures (31) at the same time.

9. The rotating device according to any one of claims 3 to 8, characterized in that The rotating body (10) and / or the follower (30) has a first stop protrusion (32), and the circumferential inner side wall of the housing assembly (20) has a second stop protrusion (21) that cooperates with the first stop protrusion (32).

10. The rotating device according to any one of claims 3 to 8, characterized in that The circumferential side wall of the rotating body (10) corresponding to one end of the follower (30) away from the positioning member (40) has a stop flange (12), and the follower (30) is engaged with the stop flange (12).

11. A lamp, characterized in that: The invention comprises the rotating device according to any one of claims 1 to 10.

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