CN220169276U - Anti-dazzle cover expansion adjusting component and lighting device - Google Patents

Abstract

The utility model discloses an anti-dazzle cover telescopic adjusting assembly, which comprises a lamp body, a base and an anti-dazzle cover, wherein the base is fixedly connected with the lamp body, and the anti-dazzle cover is rotatably connected with the base; the base comprises a first ring body and a second ring body, and the second ring body is formed by extending the first ring body towards the outer periphery near the first end of the lamp body; the outer side wall of the first ring body is provided with a groove body; the anti-dazzle cover comprises a first end part, a second end part and an anti-dazzle side wall, wherein the anti-dazzle side wall is positioned between the first end part and the second end part, a convex column is arranged on the inner side wall of the anti-dazzle side wall, and the convex column is buckled in the groove body and can slide along the groove body; the distance between the second end part and the second ring body changes along with the rotation amplitude of the anti-dazzle cover and the base. The anti-dazzle cover telescopic adjusting component can adjust the exposed height of the anti-dazzle cover by rotating the anti-dazzle cover, so that the anti-dazzle depth and the light-emitting angle are adjusted to meet the anti-dazzle requirement. The utility model also provides a lamp comprising the anti-dazzle cover telescopic adjusting assembly.

Description

Anti-dazzle cover expansion adjusting component and lighting device

Technical Field

The utility model relates to the technical field of LED lighting devices, in particular to an anti-dazzle cover telescopic adjusting assembly and a lighting device.

Background

The utility model provides a lighting device such as down lamp, shot-light and guide rail lamp generally includes lamp body, light source subassembly, power supply module and optical subassembly group, and wherein light source subassembly and power supply module are installed in the lamp body, and optical subassembly adjusts the light that light source subassembly sent to obtain corresponding illuminating effect. Most of down lamps, spot lamps and guide rail lamps in the market adopt a direct light emitting mode, and the light emitting surface of the down lamps, spot lamps and guide rail lamps directly irradiate eyes to form certain glare injuries. Therefore, in the arrangement of the optical components, an anti-dazzle structure of a lens and an anti-dazzle ring is generally adopted to reduce the glare influence of down lamps and spot lamps.

As an indispensable component of the lighting device, an antiglare ring is used for antiglare in the following manner: a. the fog glass or the fog diffusion cover can play a role in basic diffusion of light rays, but has poorer anti-dazzle performance; b. the anti-dazzle piece is added with a honeycomb net and is used for assisting anti-dazzle; c. the fixed anti-dazzle ring adopts the sinking anti-dazzle depth to carry out anti-dazzle, and the anti-dazzle depth is influenced by the length of the lamp body.

The prior art discloses a quick replacement anti-dazzle binary lighting fixture, including lamp body outer frame and lamp body inner ring, the lamp body inner ring sets up sliding mounting portion, the lamp body inner ring sets up the tubaeform luminescent port, the inner wall of tubaeform luminescent port is echelonment, the lamp body outer frame sets up the installation slide, the lamp body inner ring pass through sliding mounting portion and installation slide nest install in the lamp body outer frame. The lamp body inner ring is provided with the sliding installation part, the lamp body outer frame is provided with the installation slide way, the lamp body inner ring is sleeved and installed in the lamp body outer frame through the sliding installation part and the installation slide way, the lamp body inner ring can slide left and right along the installation slide way, the double-element function is realized, a user can adjust a proper irradiation angle according to own will, and then the lamp body inner ring is fixed on the lamp body outer frame through threaded connection. I.e. an operation mode requiring additional screw fixation after the user has selected the irradiation angle.

Therefore, the existing anti-dazzle structure of the lamp is required to be optimized, and the light-emitting angle and the anti-dazzle depth of the lamp can be adjusted by adjusting the anti-dazzle ring.

Disclosure of Invention

In order to solve the problems, the utility model provides an anti-dazzle cover telescopic adjusting component, and the exposed length of the anti-dazzle cover can be adjusted by rotating the anti-dazzle cover, so that the anti-dazzle depth and the light-emitting angle are adjusted to meet the anti-dazzle requirement. The utility model also provides a lamp comprising the anti-dazzle cover telescopic adjusting assembly.

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

the anti-dazzle cover telescopic adjusting assembly comprises a lamp body, a base and an anti-dazzle cover, wherein the base is fixedly connected with the lamp body, and the anti-dazzle cover is rotationally connected with the base;

the base comprises a first ring body and a second ring body, and the second ring body is formed by extending the first ring body towards the outer periphery near the first end of the lamp body; the outer side wall of the first ring body is provided with a groove body;

the anti-dazzle cover comprises a first end part, a second end part and an anti-dazzle side wall, wherein the anti-dazzle side wall is positioned between the first end part and the second end part, a convex column is arranged on the inner side wall of the anti-dazzle side wall, and the convex column is buckled in the groove body and can slide along the groove body; the distance between the second end part and the second ring body changes along with the rotation amplitude of the anti-dazzle cover and the base.

As a further description of the technical scheme of the utility model, the groove body comprises a track groove and a guide groove, wherein the guide groove is provided with a first guide opening and a second guide opening, and the opening size of the first guide opening is larger than that of the second guide opening.

As a further description of the technical scheme of the utility model, the first guiding opening is arranged at the second end of the first ring body, and the second end is far away from the lamp body; the second guide opening is connected with the track groove.

As further description of the technical scheme of the utility model, the groove body further comprises a limiting block, and the limiting block is arranged at the joint of the second guide opening and the track groove.

As further description of the technical scheme of the utility model, the length of the limiting block is smaller than or equal to the opening size of the second guide opening.

As a further description of the technical scheme of the utility model, the track groove comprises a first chute and a second chute which are communicated, wherein the first chute is a diagonal chute, the second chute is a straight chute, and the second chute is connected with the second guide opening.

As a further description of the technical scheme of the utility model, the anti-dazzle cover is sleeved outside the first ring body, and the second end part is exposed out of the lamp body.

As a further description of the technical scheme of the utility model, the convex column is provided with a guide surface, and the convex column enters the guide groove through the guide surface and enters the track groove after passing through the limiting block.

As further description of the technical scheme of the utility model, the lamp comprises a fastener, wherein the second ring body is provided with a through hole, and the fastener penetrates through the through hole to fixedly connect the base and the lamp body together.

The utility model also provides a lighting device, which comprises a light source component, a lens and the anti-dazzle cover telescopic adjusting component, wherein the light source component and the lens are arranged in an installation cavity in the lamp body, and the base and the lens are fixedly connected with the lamp body; the anti-dazzle cover is arranged at the luminous front end of the light source component.

Based on the technical scheme, the utility model has the following technical effects:

1. according to the anti-dazzle cover telescopic adjusting assembly, the anti-dazzle cover is rotatably connected with the base arranged in the lamp body, and the distance between the anti-dazzle cover and the lamp body can be adjusted by rotating the anti-dazzle cover, so that the distance (anti-dazzle depth) and the light emitting angle between the anti-dazzle diaphragm and the light source piece are adjusted, and the lighting requirements of different lighting places and application scenes on anti-dazzle grades are met.

2. The illumination device adopts the anti-dazzle cover telescopic adjusting component, and the exposed length of the anti-dazzle cover is adjusted by rotating the anti-dazzle cover relative to the base or the lamp body, so that the anti-dazzle depth is freely adjusted to meet the anti-dazzle requirement.

Drawings

Fig. 1 is an exploded view of an antiglare shield expansion and contraction adjustment assembly of example 1.

Fig. 2 is a schematic diagram of the structure of the lamp body of embodiment 1.

Fig. 3 is a schematic structural view of the base of embodiment 1.

Fig. 4 is a schematic structural view of an antiglare shield according to example 1.

Fig. 5 is a schematic diagram showing the assembly of the antiglare shield and the base according to example 2.

Fig. 6 is a schematic view showing the adjustment of the antiglare shield according to example 2 rotated counterclockwise relative to the base.

Fig. 7 is a schematic view showing adjustment of the antiglare shield of example 2 to rotate clockwise relative to the base.

Fig. 8 is an exploded view of the lighting device of embodiment 3.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. 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.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Example 1

As shown in an exploded view of the anti-dazzle cover expansion adjustment assembly of fig. 1, the present embodiment provides an anti-dazzle cover expansion adjustment assembly 100, which includes a lamp body 1, a base 2, and an anti-dazzle cover 3, wherein the lamp body 1 is a main body frame, and may be made of plastic or metal. The plastic lamp body can be of a cylindrical rigid structure formed by integral injection molding, and the metal lamp body can be of a cylindrical structure formed by stamping of aluminum profiles.

Fig. 2 is a schematic view of the lamp body of the present embodiment, and as shown in fig. 2, a mounting cavity 11 is formed inside the lamp body 1 for mounting a light source assembly 200, a power source assembly, a heat sink, etc., and the lamp body 1 of the present embodiment is provided with a partition 12 across the mounting cavity 11. On the one hand, the partition board can be used for installing the light source assembly 200 and the base 2, and is used as a heat radiating piece for conducting heat generated by the light source assembly 200 to the lamp body for radiating; on the other hand, the installation cavity 11 can be divided into a light source cavity and a power supply cavity, so that the light source assembly 200 and the power supply assembly are not interfered with each other in operation. The lamp body 1 is further provided with a rail mounting groove 13 on the side wall facing the mounting cavity 11 for connection with the rail head and assembly into a rail lamp. It will be appreciated that the anti-glare cover expansion adjustment assembly 100 of this embodiment can be applied to down lamps, spot lamps and track lamps, wherein the horizontal and vertical rotation directions of the track head can be adjusted as required when applied to the track lamp, thereby adjusting the light emitting direction of the light source assembly.

The lamp body 1 of the present embodiment has a cylindrical structure, and is provided with two openings; the lamp body 1 is provided with an end cover 14 at an opening far away from the light emitting direction, and the end cover 14 is fixedly connected with the lamp body 1 in an inserting way and locked by a screw.

Fig. 3 is a schematic structural view of the base of the present embodiment, and referring to fig. 1-3, the base 2 is fixedly connected with the lamp body 1, and the base 2 is also installed inside the installation cavity 11. The base 2 includes a first ring 21 and a second ring 22, and the first ring 21 also has a cylindrical structure. The first ring body 21 has a first end 211 and a second end 212, wherein the first end 211 is close to the lamp body 1 and the second end 212 is far from the lamp body 1. In the base 2 of the present embodiment, the second ring 22 is formed by extending the first end 211 of the first ring 21 toward the outer periphery, i.e. the second ring 22 has an annular flange structure. Between the first end 211 and the second end 212 is an outer sidewall 213 of the first ring body 21. The first ring body 21 is provided with a groove 23 on the outer side wall 213. The groove 23 of the base 2 is used for being matched and connected with the antiglare shield 3.

Fig. 4 is a schematic structural diagram of an antiglare shield according to the present embodiment, and referring to fig. 1 to 4, an antiglare shield 3 according to the present embodiment is rotatably connected to a base 2. Specifically, the antiglare shield 3 includes a first end 31, a second end 32, and an antiglare side wall 33, the first end 31 of the antiglare shield 3 being proximate to the base 2, i.e., the first end 31 is an light-entering end; the second end 32 is remote from the base 2, i.e. the second end 32 is the light-emitting end. Light emitted from the light source assembly 200 enters the antiglare shield 3 from the first end 31 and then exits from the second end 32. The antiglare side wall 33 is located between the first end 31 and the second end 32, the antiglare side wall 33 being provided with a projection 34 on an inner side wall for mating connection with the channel 23 of the base 2. Specifically, the boss 34 is engaged with the groove 23 and is slidable along the groove 23.

In the present embodiment, the number of the slots 23 is 3, and the slots 23 are uniformly distributed on the outer side wall 213 of the first ring body 21 around the central axis of the base 2; correspondingly, the antiglare shield 3 is also provided with 3 lugs 34 on the inner side wall. In some embodiments, the number of grooves 23 and projections 34 may be more than 3.

The antiglare shield 3 is further provided with an antiglare ring 35 on the inner side wall of the antiglare side wall 33. The antiglare ring 35 is also called an antiglare aperture, which has a stepped structure, and the radius of the antiglare ring 35 gradually increases with the light-emitting direction, thereby adjusting the flare and the light-emitting angle. It will be appreciated that the open loop radius of the portion of antiglare ring 35 at second end 32 is greater than the open loop radius of the portion of antiglare ring 35 at first end 31.

In the base 2 and the dazzle prevention cover 3, the second ring 22 of the base 2 is closest to the light source module 200 inside the lamp body 1, the distance between the second ring 22 and the light source module 200 is fixed, the second end 32 of the dazzle prevention cover 3 is farthest from the light source module 200 inside the lamp body 1, the distance between the second end 32 and the light source module 200 is adjustable, and the dazzle prevention ring 35 on the inner side wall of the dazzle prevention cover 3 is combined, so that the distance between the second end 32 and the second ring 22 can be regarded as the dazzle prevention treatment distance (dazzle prevention depth) of the dazzle prevention cover to light.

The anti-dazzle cover 3 is sleeved on the outer side of the first ring body 21, and the second end 32 of the anti-dazzle cover 3 is exposed out of the lamp body 1, namely, the anti-dazzle cover has an exposed length relative to the lamp body 1, and when the anti-dazzle cover is not adjusted, the exposed length is the width of one finger, so that the exposed second end is conveniently grasped, and the lamp body is rotated to be adjusted. Since the boss 34 of the antiglare shield 3 is slidable along the groove 23 of the base 2, the antiglare shield 3 can be rotated with respect to the base 2 and the lamp body. During rotation of the antiglare shield 3, the antiglare treatment distance between the second end 32 and the second ring 22 will change, thereby adjusting the antiglare depth and changing the size of the outgoing light spot and the angle of light extraction.

With further reference to fig. 2, the slot body 23 includes a track slot 231 and a guide slot 232, the track slot 231 being adjacent the first end 211 of the first ring body 21, and the guide slot 232 being connected to the second end 212 of the first ring body 21. Specifically, the guide groove 232 is provided with a first guide opening 2321 and a second guide opening 2322, the opening size of the first guide opening 2321 being larger than the opening size of the second guide opening 2322. The first guiding opening 2321 is opened at the second end 212 of the first ring body 21, and the second end 212 is far away from the lamp body 1; and the second guide opening 2322 is connected to the rail groove 231. It will be appreciated that the guide slot 232 has a horn-like configuration; alternatively, the guide groove 232 has a trapezoid cross section, and the guide wall between the first guide opening 2321 and the second guide opening 2322 forms an included angle of 45 °. When the boss 34 of the antiglare shield 3 is connected to the groove 23, the boss 34 enters the guide groove 232 through the first guide opening 2321 with a large opening size, and then enters the track groove 231 through the second guide opening 2322 with a small opening size.

The tank 23 of the present embodiment further includes a limiting block 233, where the limiting block 233 is disposed at a junction between the second guiding opening 2322 and the rail groove 231, and is used for limiting the boss 34 sliding in the rail groove 231. When the antiglare shield 3 rotates relative to the base 2, the boss 34 moves forward from the track groove 231 toward the guide groove 232 with the increase of the rotation range and the antiglare depth, and when the joint of the track groove 231 and the guide groove 232 is reached, the stopper 233 blocks the boss 34 from moving further forward and preventing the antiglare shield from withdrawing to the guide groove 232, and the rotation range of the feedback antiglare shield is the maximum.

In some embodiments, the length of the stopper 233 may be set smaller than the opening size of the second guide opening 2322; in some embodiments, the length of the stopper 233 may also be set equal to the opening size of the second guide opening 2322. In addition, the height of the stopper 233 may be set to be less than or equal to the grooving depth of the groove 23.

The guide groove 232 of the groove body 23 is used for guiding the boss 34 into the track groove 231, and the track groove 231 is used for adjusting the rotation amplitude and the telescopic length of the antiglare shield 3 and the base 2 during the sliding process of the boss 34. Specifically, the track groove 231 includes a first sliding groove 2311 and a second sliding groove 2312, which are connected, the first sliding groove 2311 is a diagonal groove, the second sliding groove 2312 is a straight groove, and the second sliding groove 2312 is connected to the second guiding opening 2322.

In some embodiments, the track slot 231 presents an arcuate slot configuration that facilitates sliding movement of the stud 34 within the track slot 231.

With further reference to fig. 4, in the antiglare shield 3, the boss 34 is provided with a guide surface 341, and when the boss 34 enters the groove body 23, the boss 34 enters the guide groove 232 through the guide surface 341 and passes through the stopper 233, and then enters the rail groove 231.

Returning to fig. 1, the anti-dazzle cover expansion adjustment assembly 100 further comprises a fastening piece 4, the second ring 22 of the base 2 is provided with a through hole 221, and the fastening piece 4 penetrates through the through hole 221 to fixedly connect the base 2 with the lamp body 1.

The anti-dazzle cover expansion adjusting component provided by the embodiment is rotationally connected with the base arranged in the lamp body, the distance between the anti-dazzle cover and the base and the distance between the anti-dazzle cover and the lamp body are adjustable through rotating the anti-dazzle cover, and light rays are secondarily controlled, so that anti-dazzle depth and light-emitting angle are adjusted, and the lighting requirements of different lighting places and application scenes on anti-dazzle grades are met.

Example 2

Fig. 5 is a schematic diagram showing the assembly of the antiglare shield and the base according to the present embodiment, wherein the base 2 is fixedly mounted on the lamp body, and the antiglare shield 3 is assembled toward the base 2 as shown in fig. 5. The 3 posts 34 of the antiglare shield 3 are aligned with the guide grooves 232 of the groove body 23, respectively, and then the posts 34 pass through the stopper 233, enter the track groove 231, and can slide in the track groove 231. Thus, the antiglare shield 3 is fitted over the first ring 21, and the first end 31 of the antiglare shield 3 is in contact with the second ring 22 of the base 2.

Fig. 6 is a schematic view of the adjustment of the anti-dazzle cover according to the present embodiment, which is an anti-dazzle cover rotated counterclockwise relative to the base, as shown in fig. 6, when the anti-dazzle cover 3 is rotated counterclockwise by hand, the protrusion 34 slides rightward along the rail groove 231, at this time, the anti-dazzle cover 3 moves gradually upward relative to the lamp body 1, the exposed length of the anti-dazzle cover 3 also gradually increases, and when the protrusion 34 reaches the stopper, the distance L between the second end portion 32 and the second ring body 22 is the largest.

Fig. 7 is a schematic view of adjustment of the anti-dazzle cover rotating clockwise relative to the base, as shown in fig. 7, when the anti-dazzle cover 3 is rotated clockwise by hand, the protruding columns 34 slide leftwards along the track grooves 231, at this time, the anti-dazzle cover 3 moves downwards slowly relative to the lamp body 1, the exposed length of the anti-dazzle cover 3 also decreases gradually, and when the protruding columns 34 reach the end of the first sliding groove of the track grooves 231, the distance L between the second end 32 and the second ring 22 is minimum, but the anti-dazzle cover 3 still exposes to a length of about one finger width relative to the lamp body 1 for grasping for subsequent rotation adjustment.

Example 3

Fig. 8 is an exploded view of the lighting device of the present embodiment, as shown in fig. 8, a lighting device includes a light source assembly 200 and a lens 300, and an anti-glare cover expansion adjustment assembly 100, wherein the light source assembly 200 and the lens 300 are disposed in an installation cavity 11 inside a lamp body, and a base 2 and the lens 300 are fixedly connected with the lamp body 1; specifically, the lamp body 1 is provided with a partition plate 12 across the mounting cavity 11, and the fastener 4 is locked to the partition plate 12 of the lamp body 1 after passing through the through hole of the base, and fixes the lens 300 together. The partition 12 may serve as a heat sink to transfer heat generated from the light source assembly 200 to the lamp body for heat dissipation. The antiglare shield 3 is provided at the light emitting front end of the light source module 200.

In the lighting device of the embodiment, the exposed length of the anti-dazzle cover relative to the lamp body can be adjusted by rotating the anti-dazzle cover, so that the anti-dazzle depth can be freely adjusted to meet the anti-dazzle requirement, and the appearance integrity of the lighting device is maintained.

The foregoing is merely illustrative and explanatory of the utility model as it is described in more detail and is not thereby to be construed as limiting the scope of the utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and that these obvious alternatives fall within the scope of the utility model.

Claims (10)

1. The anti-dazzle cover telescopic adjusting assembly is characterized by comprising a lamp body, a base and an anti-dazzle cover, wherein the base is fixedly connected with the lamp body, and the anti-dazzle cover is rotatably connected with the base;

the base comprises a first ring body and a second ring body, and the second ring body is formed by extending the first ring body towards the outer periphery near the first end of the lamp body; the outer side wall of the first ring body is provided with a groove body;

the anti-dazzle cover comprises a first end part, a second end part and an anti-dazzle side wall, wherein the anti-dazzle side wall is positioned between the first end part and the second end part, a convex column is arranged on the inner side wall of the anti-dazzle side wall, and the convex column is buckled in the groove body and can slide along the groove body; the distance between the second end part and the second ring body changes along with the rotation amplitude of the anti-dazzle cover and the base.

2. The antiglare shield telescopic adjustment assembly according to claim 1, wherein the slot body comprises a track slot and a guide slot, the guide slot is provided with a first guide opening and a second guide opening, and the opening size of the first guide opening is larger than the opening size of the second guide opening.

3. The anti-glare shield expansion adjustment assembly of claim 2, wherein said first guide opening is provided at a second end of said first ring body, said second end being remote from said lamp body; the second guide opening is connected with the track groove.

4. The anti-glare shield expansion adjustment device of claim 3, wherein said housing further includes a stopper disposed at a junction of said second guide opening and said track groove.

5. The antiglare shield telescopic adjustment assembly of claim 4, wherein the length of the stopper is less than or equal to the opening size of the second guide opening.

6. The anti-glare shield expansion adjustment assembly of claim 2, wherein the track groove includes a first chute and a second chute in communication, the first chute is a diagonal chute, the second chute is a straight chute, and the second chute is connected to the second guide opening.

7. The antiglare shield expansion and contraction adjustment assembly according to claim 1, wherein the antiglare shield is disposed around the first ring body, and the second end is exposed to the lamp body.

8. The antiglare shield telescopic adjustment assembly according to claim 4, wherein the boss is provided with a guide surface through which the boss enters the guide slot and passes the stopper before entering the track slot.

9. The antiglare shield telescopic adjustment assembly of claim 1, further comprising a fastener, wherein the second ring is provided with a through hole, and wherein the fastener passes through the through hole to fixedly connect the base and the lamp body together.

10. The lighting device is characterized by comprising a light source assembly, a lens and the anti-dazzle cover telescopic adjusting assembly according to any one of claims 1-9, wherein the light source assembly and the lens are arranged in an installation cavity in the lamp body, and the base and the lens are fixedly connected with the lamp body; the anti-dazzle cover is arranged at the luminous front end of the light source component.