CN206989126U - A lamp rotation stop structure - Google Patents

Abstract

The utility model discloses a lamp rotation stopping structure, which comprises a base, a fixing part, a limiting part, a rotating part and a nut, wherein the fixing part is provided with a guide groove, and the rotating part is provided with a rotating groove; the limiting piece is of an inverted T-shaped structure and protrudes upwards to form a limiting lug, and the limiting lug is movably connected with the rotating groove; the limiting piece is arranged in the guide groove and is movably connected with the fixing piece; the rotating part rotates relative to the fixed part, and the limiting part limits and stops the rotating part; the nut fixedly connects the rotating piece and the fixing piece in the base. The lamp rotation stopping structure with neat and attractive appearance enables the whole body to be attractive by arranging the limiting piece between the rotating piece and the fixing piece and hiding the limiting piece in the fixing piece; meanwhile, the fixing piece, the limiting piece and the rotating piece are tightly matched, so that accurate angle rotation and good limiting and rotation stopping effects are achieved, and the requirement for adjusting the rotating angle of the lighting lamp is met.

Description

A lamp rotation stop structure

technical field

The utility model relates to the technical field of LED lighting, in particular to an anti-rotation structure of a lamp.

Background technique

LED is a solid-state semiconductor device that can convert electrical energy into visible light. It can directly convert electrical energy into light energy. It has the advantages of high brightness, low energy consumption, environmental protection, long life, impact resistance and stable performance. Due to the above advantages of LED light source, it has been widely used in the field of lighting.

In LED lamps, in order to adjust the lighting angle of the lamps, it is necessary to add a rotating structure and a non-rotating structure to the components. The existing anti-rotation structure of LED lamps is prone to the problem of paint scraping due to the problem of the fitting degree of components, and since the anti-rotation structure is mostly exposed, this will affect the overall appearance of the lamp. In addition, the rotation angle of most of the current common stop-rotation structures of lamps can only reach 350°, which cannot meet the angle adjustment requirements of lighting.

Therefore, it is necessary to optimize the design of the anti-rotation structure of the lamp. And how to design a anti-rotation structure with beautiful appearance and good positioning effect is a technical problem to be solved by those skilled in the art.

Utility model content

In order to solve the above-mentioned problems existing in the prior art, the utility model provides a lamp rotation stop structure with a clean and beautiful appearance. At the same time, the fixed part, the limit part and the rotating part are closely matched to achieve precise angle rotation and good limit and anti-rotation effect, which meets the requirements of the rotation angle adjustment of lighting fixtures.

In order to achieve the above object, the utility model provides the following technical solutions:

A lamp anti-rotation structure, comprising a base, a fixing piece, a limiting piece, a rotating piece and a nut, the fixing piece is provided with a guide groove, and the rotating piece is provided with a rotating groove; the limiting piece has an inverted T-shaped structure And protrude upwards to form a limit bump, which is movably connected with the rotating groove; the limit member is arranged in the guide groove and is movably connected with the fixed member; the rotating member rotates relative to the fixed member, The limiting part limits and prevents rotation of the rotating part; the nut securely connects the rotating part and the fixing part in the base.

In the anti-rotation structure of the lamp, the limiting part is arranged in the guide groove of the fixing part, and is covered by the rotating part at the same time, so that the structure is simple and beautiful. When rotating, the rotating part rotates relative to the fixing part, and the rotating part, the limiting part The three parts are closely matched with the fixed part, and the accuracy of the angle limit will not be affected by the large gap.

As a further description of the technical solution of the present invention, the limiting member further includes a limiting seat, the limiting seat and the limiting protrusion form an integral structure, and the limiting seat is movably connected with the guide groove. The limit seat is an arc-shaped structure that cooperates with the guide groove, and the limit seat can also move at a certain angle when the limit is stopped. The effect of the rotation angle.

As a further description of the technical solution of the present utility model, the limiting part is a plastic part or a metal part. Since the anti-rotation structure of the utility model has lower requirements on the strength of the limiting parts, the use of metal parts or plastic parts with low structural strength can also meet the strength and precision requirements of the anti-rotation structure to reduce production costs.

As a further description of the technical solution of the utility model, the rotation range of the rotating member relative to the fixing member is 0~361°. When rotating, the rotating groove of the rotating part first rotates relative to the limiting part. In the utility model, the rotating groove is designed to rotate 321° relative to the limiting part; 40°rotation can be carried out in the guide groove; the maximum rotation angle of 361° can be obtained by adding the two rotation strokes. The rotation angle can reach 361°, of which 1° margin is to ensure the absolute adjustment of 360°, and only 1° margin is to reduce the damage of the twisted wire set in the anti-rotation structure to the wire during rotation, or To avoid potential risk of damage, avoid over-rotation.

As a further description of the technical solution of the present invention, the rotating part is provided with a stopper in the rotating groove, and the stopper cooperates with the limit protrusion to limit and stop the rotation, so as to ensure that the rotating part realizes 361° Precise limit of rotation.

As a further description of the technical solution of the utility model, the area of the rotating part is larger than that of the fixed part. The rotating part is in direct contact with the fixed part, and because the area of the rotating part is larger than that of the fixed part, the contact area is large, the rotation force is uniform, and there is sufficient damping to obtain a good rotating feel.

As a further description of the technical solution of the present utility model, the base is a dental tube provided with threads. In order to fixedly connect the rotating part and the fixed part to the base, the base is provided with threads, which are matched with the nut; at the same time, the bottom of the base protrudes to form a sheet-shaped support seat, ensuring that the rotating part and the fixed part fixed on the base will not Displacement occurs in the vertical direction.

Based on above-mentioned technical scheme, the beneficial effect of the utility model is:

(1) The anti-rotation structure of the lamp provided by the utility model, by setting the limiting part between the rotating part and the fixing part, and hiding it in the fixing part, the appearance is neat and beautiful; at the same time, the fixing part, the limiting part and the rotating part are closely Cooperate with each other to achieve precise angle rotation and good limit and anti-rotation effect, meeting the requirements for adjusting the rotation angle of lighting fixtures.

(2) The anti-rotation structure of the lamp of the present utility model has a rotation angle of 361°, which meets the angle requirement that the rotating part needs to rotate one circle during the lighting application process. At the same time, the anti-rotation structure has a good limit effect, preventing the Damage to the wire by twisted wires in the anti-rotation structure. Due to the large contact area between the rotating part and the fixed part, the uniformity of the rotating force is good, and at the same time, there is sufficient damping, so that a good rotating feel can be obtained during the rotating process.

Description of drawings

Fig. 1 is an exploded exploded view of the anti-rotation structure of the lamp of the present invention.

Fig. 2 is an assembled finished product diagram of the anti-rotation structure of the lamp of the present invention.

detailed description

In order to facilitate the understanding of the utility model, the utility model will be more fully described below in conjunction with the accompanying drawings and specific embodiments. Preferred embodiments of the utility model are provided in the accompanying drawings. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used herein in the description of the utility model is only for the purpose of describing specific implementations, and is not intended to limit the utility model.

Example 1

Fig. 1 and Fig. 2 show respectively the explosion exploded diagram and the assembled finished product diagram of the anti-rotation structure of the lamp in this embodiment. Position piece 3, rotating piece 4 and nut 5. Wherein, the limiting part 3 is located between the fixing part 2 and the rotating part 4 , and the fixing part 2 , the limiting part 3 and the rotating part 4 are fixedly connected in the base 1 by nuts.

The fixing part 2 is provided with a guide groove 21 , and the rotating part 4 is provided with a rotation groove 41 . The limiting member 3 has an inverted T-shaped structure and protrudes upward to form a limiting bump 31 . The bottom of the limiting member 3 is a limiting seat 32 , and the limiting protrusion 31 and the limiting seat 32 form an integral structure. In this embodiment, the limiting member 3 protrudes upwards in the middle of the limiting seat 32 to form a limiting protrusion 31. Of course, the limiting protrusion can also be arranged on the left side of the limiting seat according to the needs of angle adjustment. or to the right.

The limiting member 3 is arranged in the guide groove 21 of the fixing member 2 , and the limiting seat 32 is movably connected with the guiding groove 21 , and then the limiting member 3 is movably connected with the fixing member 2 .

The limit seat 32 is an arc-shaped structure that cooperates with the guide groove 21. The limit seat 32 also moves at a certain angle when the limit is stopped. This embodiment eliminates the angular space occupied by the limit structure through the position of the movable limit seat 32. The problem is to achieve the effect of the predetermined rotation angle.

In the connection relationship between the limiting part 3 and the rotating part 4, the limiting protrusion 31 is flexibly connected with the rotating groove 41; the rotating part 4 then rotates relative to the fixed part 2, and the limiting part 3 acts as a limit to the rotating part 4. The role of stop rotation.

It should be noted that the limiting part 3 may be a plastic part or a metal part. In this embodiment, since the anti-rotation structure has relatively low requirements on the strength of the limiting member 3, plastic parts with low structural strength can meet the strength and precision requirements of the anti-rotation structure, which greatly reduces the production cost. Moreover, since the limiting member provided in this embodiment does not occupy the angular space for rotation, the size of the limiting protrusion can also be appropriately increased to improve the structural strength.

In the anti-rotation structure of the lamp provided in this embodiment, the limiting member 3 is set in the guide groove 21 of the fixing member 2, and is covered by the rotating member 4 at the same time, so that the structure is simple and beautiful. When rotating, the rotating member 4 is relative to the fixing member. 2 is rotated, and the rotating part 4, the limiting part 3 and the fixed part 2 are closely matched, the accuracy of the angle limit will not be affected by the large gap, and there is no scratch on the surface of the fixed part caused by paint scraping during rotation. The bottom line problem.

Further referring to FIG. 1 and FIG. 2 , the rotation range of the rotating part relative to the fixed part is 0~361°. When rotating, the rotating groove 41 of the rotating member 4 first rotates relative to the limiting member 3. In this embodiment, the rotating groove 41 is designed to rotate 321° relative to the limiting member; The limiting seat 32 of the component 3 can rotate 40° in the guide groove 21 of the fixing component 2; the maximum rotation angle of 361° can be obtained by adding the two rotation strokes.

It should be noted that this anti-rotation structure can achieve a maximum rotation range of 700°, and in this embodiment, the rotation angle is only 361°. Among them, the margin of 1° is to ensure the absolute adjustment of 360°. At the same time, only 1° of adjustment angle margin is set to reduce the damage to the wire of the twisted wire set in the anti-rotation structure during rotation, or to avoid potential damage. risk.

Further explaining the structure of the rotating part, the rotating part 4 is provided with an anti-rotation stopper 42 in the rotation groove 41, and the anti-rotation stopper 42 cooperates with the limit protrusion 31 to limit and stop the rotation, so as to ensure that the rotation part 4 realizes 361° Precise limit of rotation.

At the same time, the area of the rotating part 4 is larger than that of the fixed part 2 . The rotating part 4 is in direct contact with the fixed part 2, and because the area of the rotating part 4 is larger than that of the fixed part 2, the contact area is large, the rotation force is uniform, and there is sufficient damping to obtain a good rotating feel.

In the anti-rotation structure of this embodiment, the base 1 is a threaded tooth tube. In order to fixedly connect the rotating part 4 and the fixed part 2 to the base 1, the base 1 is provided with threads, which are matched with the nut 5; at the same time, the bottom of the base 1 protrudes to form a sheet-like support seat 11, ensuring that it is fixed on the base 1 The rotating part 4 and the fixed part 2 will not be displaced in the vertical direction.

As shown in FIG. 2 , because the anti-rotation structure provided by this embodiment sets the limiter between the rotating member and the fixing member, and hides it in the fixing member, the appearance is clean and beautiful.

At the same time, in the anti-rotation structure of this embodiment, the fixed part, the limiting part and the rotating part are closely matched to achieve precise angular rotation and good effect of limiting and preventing rotation. Among them, the rotation angle can reach 361°, which satisfies the angle requirement that the rotating part needs to rotate one circle in the application process of lamp lighting.

The above content is only an example and description of the structure of the utility model, and its description is more specific and detailed, but it should not be understood as a limitation of the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present utility model, and these obvious replacement forms all belong to the protection scope of the present utility model.

Claims (7)

1. a kind of light fixture spline structure, it is characterised in that including base（1）, fixture（2）, locating part（3）, tumbler（4）With Nut（5）, the fixture（2）Offer guide groove（21）, the tumbler（4）Offer rotation slot（41）；

The locating part（3）In inverted T-shaped structure and raise up to form spacing block set（31）, the spacing block set（31）With rotation Groove（41）It is flexibly connected；The locating part（3）It is arranged at guide groove（21）In and and fixture（2）It is flexibly connected；

The tumbler（4）Relative to fixture（2）Rotated, the locating part（3）To tumbler（4）Carry out spacing stop Turn；

The nut（5）By tumbler（4）And fixture（2）It is fixedly connected on base（1）In.

2. light fixture spline structure according to claim 1, it is characterised in that the locating part（3）Also include limit base （32）, the limit base（32）With spacing block set（31）Form integrative-structure；The limit base（32）With guide groove（21）Activity Connection.

3. light fixture spline structure according to claim 2, it is characterised in that the locating part（3）For plastic parts or metal Part.

4. light fixture spline structure according to claim 1, it is characterised in that the tumbler（4）Relative to fixture（2） Rotating range be 0 ~ 361 °.

5. light fixture spline structure according to claim 1, it is characterised in that the tumbler（4）In rotation slot（41）In There is provided rotation stop block（42）, the rotation stop block（42）With spacing block set（31）Coordinate and carry out spacing rotation stop.

6. according to any described light fixture spline structure in claim 1,4 or 5, it is characterised in that the tumbler（4）Area More than fixture（2）Area.

7. light fixture spline structure according to claim 1, it is characterised in that described base（1）It is threaded to set Tooth pipe, the outwardly formation support base in bottom of the base（11）.