CN212841077U

CN212841077U - Damping structure for lamp body rotation and down lamp

Info

Publication number: CN212841077U
Application number: CN202021270912.8U
Authority: CN
Inventors: 张自然
Original assignee: Zhangzhou Leedarson Lighting Co Ltd
Current assignee: Zhangzhou Leedarson Lighting Co Ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-30
Anticipated expiration: 2030-07-02

Abstract

The utility model provides a damping structure for lamp body rotation and a down lamp, belonging to the technical field of lighting equipment, comprising a snap ring, a rotating ring, a spring and a fixed part, wherein the outer side surface of the snap ring is provided with a first bulge; the rotating ring is provided with a rotating shaft which is used for being rotationally connected with the face ring structure and a notch corresponding to the first protruding part; a mounting gap is formed between the outer side surface of the rotating ring and the inner wall of the surface ring structure; the spring is sleeved on the rotating shaft and is positioned in the mounting gap; one end of the spring is used for contacting with the surface ring structure; the one end of fixed part and the other end fixed connection of spring, the other end of fixed part is worn into the breach and is set up around first bellying, the utility model provides a lamp body rotates uses damping structure, and after the lamp body rotated certain angle, the static friction between spring one end and the face ring structure formed the damping effect to the lamp body, realized angular positioning, eliminated the condition of hole axle wearing and tearing, can carry out spacing fixed to the lamp body after rotating effectively.

Description

Damping structure for lamp body rotation and down lamp

Technical Field

The utility model belongs to the technical field of lighting apparatus, more specifically say, relate to a lamp body rotates and uses damping structure and down lamp.

Background

When the existing down lamp body rotates, damping is formed by means of interference fit of the hole shafts, and then positioning of the lamp body at multiple angles is achieved, but in the mode, after repeated use, abrasion occurs due to relative motion between the hole shafts, and accordingly the lamp body rotates and acts inefficiently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lamp body is rotatory with damping structure and down lamp to relative motion takes place wearing and tearing between the hole axle that exists among the solution prior art, leads to the technical problem of lamp body pivoted action inefficacy.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a damping structure for lamp body rotation, comprising:

the clamping ring is used for being arranged in the face ring structure; a first bulge is arranged on the outer side surface of the clamping ring;

the rotating ring is used for mounting the ring structure; the rotating ring is provided with a rotating shaft which is used for being rotationally connected with the face ring structure and a notch corresponding to the first protruding part; a mounting gap is formed between the outer side surface of the rotating ring and the inner wall of the surface ring structure;

the spring is sleeved on the rotating shaft and is positioned in the mounting gap; one end of the spring is used for being in contact with the surface ring structure;

and one end of the fixing part is fixedly connected with the other end of the spring, and the other end of the fixing part penetrates into the notch and surrounds the first protruding part.

As another embodiment of the application, the first protruding portion is provided with a limiting hole, and the fixing portion is provided with a limiting protrusion clamped in the limiting hole.

As another embodiment of the application, the limiting protrusion is formed by inwards extruding the fixing part in the length direction.

As another embodiment of the present application, the spring and the fixing portion are integrally formed.

As another embodiment of the present application, the first protrusion protrudes into the notch.

As another embodiment of this application, still be equipped with the second bellying on the lateral surface of circle rotates, the fixed part is walked around the second bellying.

As another embodiment of the present application, the second protruding portion is located on one side of the rotating shaft and both located right above the notch.

As another embodiment of the present application, the shaft includes:

the sleeving shaft body is fixed on the outer side surface of the rotating ring; the spring is sleeved on the sleeved shaft body;

the rotating shaft body is fixedly arranged at one end of the sleeving shaft body, which is far away from the rotating ring; the rotating shaft body is used for being connected with the face ring structure in a rotating mode.

As another embodiment of the application, a mounting surface is arranged on the outer side surface of the rotating ring, and one end of the sleeved shaft body is fixed on the mounting surface.

The utility model provides a lamp body rotates with damping structure's beneficial effect lies in: compared with the prior art, the damping structure for rotating the lamp body of the utility model is characterized in that the spring sleeve is arranged on the rotating shaft, the fixing part is penetrated into the notch to bypass the first bulge part, the purpose of limiting and fixing the spring is achieved, the spring is prevented from rotating, after the snap ring, the lamp body and the rotating ring are arranged in the surface ring structure, the rotating shaft is rotatably connected to the surface ring structure, the spring is compressed in the installation gap, the spring is extruded on the surface ring structure by the aid of the reaction force of the spring, when the lamp body rotates to a certain angle, the friction force exists between one end of the spring and the inner wall of the surface ring structure, the damping for positioning the lamp body is formed by the friction force, the purpose of fixing and limiting the lamp body is achieved, the mode generates more reaction force on the surface ring structure due to the compression of the spring, and after the lamp body rotates to a certain angle, the static friction force between one end of the spring and the surface ring structure forms the damping, realize the angle location, eliminated the condition of hole axle wearing and tearing, can carry out spacing fixed to the lamp body after the rotation effectively.

Another object of the present invention is to provide a tube lamp, which includes a damping structure for rotation of any one of the above lamp bodies.

The utility model provides a down lamp owing to adopted the lamp body to rotate and use damping structure, therefore the static friction between spring one end and the face ring structure forms the damping effect to the lamp body, realizes angular positioning, has eliminated the condition of hole axle wearing and tearing, can carry out spacing fixed to the lamp body after rotating effectively.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a damping structure for lamp body rotation provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a snap ring according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a rotating ring according to an embodiment of the present invention;

fig. 4 is a top view of the down lamp provided by the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. a snap ring; 11. a first boss portion; 111. a limiting hole; 2. rotating the ring; 21. a rotating shaft; 211. sleeving the shaft body; 212. a rotation shaft body; 22. a notch; 23. a second boss portion; 24. a mounting surface; 3. a spring; 4. a fixed part; 41. a limiting bulge; 5. a face ring structure; 6. and a lamp body.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, a damping structure for lamp rotation according to the present invention will now be described. A damping structure for lamp body rotation comprises a clamping ring 1, a rotating ring 2, a spring 3 and a fixing part 4, wherein the clamping ring 1 is used for being installed in a surface ring structure 5; a first bulge part 11 is arranged on the outer side surface of the clamping ring 1; the rotating ring 2 is used in the structure of the mounting surface 24 ring; the rotating ring 2 is provided with a rotating shaft 21 which is used for being rotationally connected with the face ring structure 5 and a notch 22 corresponding to the first protruding part 11; an installation gap is formed between the outer side surface of the rotating ring 2 and the inner wall of the surface ring structure 5; the spring 3 is sleeved on the rotating shaft 21 and is positioned in the mounting gap; one end of the spring 3 is used for contacting with the surface ring structure 5; one end of the fixing portion 4 is fixedly connected with the other end of the spring 3, and the other end of the fixing portion 4 penetrates into the notch 22 and is arranged around the first protruding portion 11.

Compared with the prior art, the damping structure for lamp body rotation provided by the utility model, locate spring 3 cover on pivot 21, and use fixed part 4 to penetrate into breach 22 and bypass first bulge 11, reach the purpose of spacing fixed to spring 3, prevent the rotation of spring 3, after installing snap ring 1, lamp body 6 and rolling circle 2 into face ring structure 5, pivot 21 rotates and connects on face ring structure 5, and spring 3 is compressed in the installation clearance, make spring 3 extrude on face ring structure 5 with the help of the reaction force of spring 3, when lamp body 6 rotates to a certain angle, there is friction force between one end of spring 3 and the inner wall of face ring structure 5, form the damping that is used for fixing lamp body 6 by this kind of friction force, reach the fixed spacing purpose to lamp body 6, this kind of mode is because spring 3 is compressed and produce more reaction force to face ring structure 5, after the lamp body 6 rotates for a certain angle, the static friction force between one end of the spring 3 and the surface ring structure 5 forms a damping effect on the lamp body 6, so that the angle positioning is realized, the hole shaft abrasion condition is eliminated, and the rotated lamp body 6 can be effectively limited and fixed.

In the process that the spring 3 rotates along with the rotating ring 2, one end of the spring 3 and the inner wall of the surface ring structure 5 are subjected to frictional wear, but under the condition that the spring 3 is compressed, even if the spring 3 is worn, enough extrusion can be generated on the surface ring structure 5 due to the restoring force of the spring 3, and the static friction force between the spring 3 and the surface ring structure 5 is ensured to form a damping effect for limiting and fixing the lamp body 6.

Please refer to fig. 2, as a specific embodiment of the damping structure for lamp body rotation according to the present invention, the first protrusion 11 is provided with a limiting hole 111, the fixing portion 4 is provided with a limiting protrusion 41 clamped in the limiting hole 111, when the fixing portion 4 realizes the fixation of the spring 3 around the first protrusion 11, the limiting protrusion 41 on the fixing portion 4 is clamped in the limiting hole 111, so as to improve the connection strength between the fixing portion 4 and the first protrusion 11, when the fixing portion 4 receives external force, the interaction force between the limiting protrusion 41 and the limiting hole 111 can effectively prevent the fixing portion 4 from separating from the first protrusion 11.

Referring to fig. 2, as a specific embodiment of the damping structure for lamp rotation provided by the present invention, the limiting protrusion 41 is formed by inwardly extruding the fixing portion 4 in the length direction, and the fixing portion 4 can be clamped on the outer side surface by using a tool such as a pliers, and then inwardly extruding the fixing portion 4 in the length direction to protrude the fixing portion 4 to form the limiting protrusion 41.

Referring to fig. 1 and 2, as a specific embodiment of the damping structure for lamp rotation provided by the present invention, the spring 3 and the fixing portion 4 are integrally formed, that is, a rod-shaped structure extending outward from one end of the spring 3 is the fixing portion 4, and the material of the rod-shaped structure is the same as that of the spring 3, so that the rod-shaped structure can be bent relatively easily, and the rod-shaped structure bending downward penetrates into the notch 22, and is continuously bent to wind around the first protrusion 11 along the outer contour of the first protrusion 11.

Referring to fig. 1 to 3, as a specific embodiment of the damping structure for lamp rotation provided by the present invention, the first protrusion 11 extends into the notch 22, so that after the spring 3 is installed on the rotating shaft 21, when the fixing portion 4 penetrates into the notch 22, the fixing portion 4 can be directly wound on the first protrusion 11, and the fixing portion 4 is limited by the first protrusion 11, and at the same time, a narrow space is formed by the side wall of the notch 22 and the outer side surface of the first protrusion 11 to limit the fixing portion 4, thereby preventing it from being disengaged.

Referring to fig. 1 and 3, as a specific embodiment of the damping structure for lamp body rotation provided by the present invention, a second protrusion 23 is further disposed on an outer side surface of the rotating ring 2, the fixing portion 4 bypasses the second protrusion 23, after one end of the fixing portion 4 is fixed on the spring 3, the other end extends outward and bypasses the second protrusion 23 along an outer contour of the second protrusion 23, and then penetrates into the notch 22 and bypasses the first protrusion 11 along an outer contour of the first protrusion 11, the fixing portion 4 successively bypasses the second protrusion 23 and the first protrusion 11, so that the spring 3 and the fixing portion 4 are fixed relative to the rotating ring 2 and the snap ring 1, when the lamp body 6 is rotated, the spring 3 does not rotate relative to the rotating ring 2, thereby improving stability thereof, the spring 3 can be constantly and stably contacted with an inner wall of the face ring structure 5, and generate a reaction force to form a stable friction force, the purpose of effectively fixing the lamp body 6 after rotation is ensured. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Please refer to fig. 1 and fig. 3, as the utility model provides a lamp body rotates uses a specific implementation of damping structure, second bellying 23 is located one side of pivot 21, and all be located breach 22 directly over, through this kind of mode, after spring 3 cover was located pivot 21, the other end of fixed part 4 bypasses second bellying 23 earlier, play spacing fixed effect to fixed part 4 by second bellying 23, and then prevent that spring 3 from rotating on pivot 21, then the other end of spring 3 can directly get into breach 22 downwards, and bypass first bellying 11, play spacing fixed effect to fixed part 4 again by first bellying 11, and then prevent that spring 3 from rotating on pivot 21, this kind of structure is convenient for fixed part 4 to wear into breach 22 in, the length of fixed part 4 has been reduced, need not to produce unnecessary fixed part 4.

Referring to fig. 1, fig. 3 and fig. 4, as a specific embodiment of the damping structure for lamp body rotation provided by the present invention, the rotating shaft 21 includes a sleeve shaft body 211 and a rotating shaft body 212, and the sleeve shaft body 211 is fixed on the outer side surface of the rotating ring 2; the spring 3 is sleeved on the sleeved shaft body 211; the rotating shaft body 212 is fixedly arranged at one end of the sleeved shaft body 211 far away from the rotating ring 2; the rotation axis body 212 is used for being connected with the rotation of face ring structure 5, during the use, earlier with spring 3 suit on the cup joint axis body 211, then rotate the axis body 212 and rotate the connecting hole of connection on face ring structure 5, make the cup joint axis body 211 and the rotation axis body 212 be used for supporting spring 3 respectively and be used for rotating. The normal state length of spring 3 is greater than the length of cup jointing the axis body 211, therefore after installation cup jointing the axis body 211 and rotating shaft body 212, spring 3 is by spacing compression in the installation clearance to form certain reaction force between the inner wall of face ring structure 5, the frictional force between the inner wall of spring 3 and face ring structure 5 is the damping of location lamp body 6, after rotating lamp body 6 to certain angle, this damping (frictional force) can fix a position lamp body 6, keeps in required angle.

Please refer to fig. 3, as the utility model provides a lamp body rotates uses a specific implementation of damping structure, be equipped with installation face 24 on the lateral surface of circle 2 rotates, the one end of cup jointing the axis body 211 is fixed on installation face 24, installation face 24 is vertical plane, consequently cup jointing the axis body 211 also welded fastening on installation face 24 comparatively conveniently, the stability and the joint strength of cup jointing the axis body 211 have been improved, the normality length of spring 3 is greater than the length of cup jointing the axis body 211, after cup jointing 3 suits of spring on the axis body 211, it stretches into in the connecting hole on the face ring structure 5 to rotate the axis body 212, and be connected with the connecting hole rotation, spring 3 is compressed this moment, and produce frictional force to the lateral wall of face ring structure 5, form the damping that is used for fixing a position lamp body.

Referring to fig. 4, an embodiment of the present invention further provides a down lamp, where the down lamp includes any one of the damping structures for rotation of the lamp body.

The utility model provides a down lamp has adopted foretell lamp body to rotate and has used damping structure, and consequently the static friction between 3 one ends of spring and the face ring structure 5 forms the damping effect to lamp body 6, realizes the angular positioning, has eliminated the condition of hole axle wearing and tearing, can carry out spacing fixed to lamp body 6 after rotating effectively.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The lamp body rotates and uses damping structure, its characterized in that includes:

2. The lamp body rotation damping structure according to claim 1, wherein the first protrusion has a position-limiting hole, and the fixing portion has a position-limiting protrusion engaged with the position-limiting hole.

3. The lamp body rotation damping structure of claim 2, wherein the stopper protrusion is formed by pressing the fixing portion inward in a longitudinal direction.

4. The lamp body rotation damping structure of claim 1, wherein the spring and the fixing portion are integrally formed.

5. The lamp body rotation damping structure of claim 1, wherein the first protrusion extends into the notch.

6. The lamp body rotation damping structure of claim 1, wherein a second protrusion is further provided on an outer side surface of the rotation ring, and the fixing portion is wound around the second protrusion.

7. The damping structure for lamp body rotation according to claim 6, wherein the second protrusions are located on one side of the rotation shaft and are located right above the notches.

8. The lamp body rotation damping structure of claim 1, wherein the rotation shaft includes:

9. The lamp body rotation damping structure according to claim 8, wherein a mounting surface is provided on an outer side surface of the rotating ring, and one end of the sleeve shaft is fixed to the mounting surface.

10. A downlight comprising the lamp body rotation damping structure according to any one of claims 1 to 9.