CN110594708A - Lamp with adjustable light-emitting angle - Google Patents

Abstract

The invention relates to a lamp with an adjustable light-emitting angle, which comprises a lens assembly, a lens, a guide rod and a first elastic piece, wherein the guide rod can elastically move along the axial direction of the guide rod relative to the lens support; the lamp body assembly comprises a lamp body bracket, a light source and a second elastic piece, wherein the light source is connected to the lamp body bracket, at least two stroke grooves which are connected end to end are arranged on the lamp body assembly, and the tail end of the previous stroke groove is higher than the head end of the next stroke groove to form a limiting step; the lens assembly can elastically move along the light emitting direction of the light source relative to the lamp body support, the end part of the guide rod is inserted into the stroke groove and is abutted against the groove bottom of the stroke groove, and the guide rod can move unidirectionally relative to each stroke groove along with the elastic movement of the lens assembly. According to the scheme, the stroke groove is matched with the guide rod, the light-emitting angle of the lamp can be quickly adjusted in a mode of pressing the lens assembly, the operation is simple, the switching efficiency is high, and the requirement for quick switching can be met.

Description

Lamp with adjustable light-emitting angle

Technical Field

The invention relates to the field of illumination, in particular to a lamp.

Background

Along with the improvement of people to the lamp decoration operation requirement, different facula sizes are required to have to the same lamp when illuminating different objects, and the size of facula is influenced by the luminous angle of lamps and lanterns, therefore the adjustment of facula size is luminous angle's adjustment substantially, and the lamps and lanterns that have similar function at present mostly can only slowly switch over to another angle from an angle, complex operation, and switching efficiency is low, is difficult to satisfy the demand of fast switch over.

Disclosure of Invention

The present invention solves at least one of the technical problems of the related art to some extent. Therefore, an object of the embodiments of the present invention is to provide a lamp with adjustable light-emitting angle, which is simple to operate and high in switching efficiency, and can meet the requirement of fast switching.

The technical scheme adopted by the embodiment of the invention is as follows:

in a first aspect, a luminaire with adjustable light emitting angle is provided, which comprises

The lens assembly comprises a lens support, a lens, a guide rod and a first elastic piece, wherein the lens and the guide rod are both connected to the lens support, and the guide rod can elastically move along the axial direction of the guide rod relative to the lens support through the first elastic piece;

the lamp body assembly comprises a lamp body bracket, a light source and a second elastic piece, wherein the light source is connected to the lamp body bracket, at least two stroke grooves which are connected end to end are arranged on the lamp body assembly, and the tail end of the previous stroke groove is higher than the head end of the next stroke groove to form a limiting step;

the lens component can elastically move along the light emitting direction of the light source relative to the lamp body support through the second elastic part, the end part of the guide rod is inserted into the stroke groove and is abutted against the groove bottom of the stroke groove, and the guide rod can move unidirectionally relative to the stroke grooves along with the elastic movement of the lens component.

Further, still include the mounting panel, mounting panel and lamp body support detachable are connected, and each journey groove is located on the mounting panel.

Furthermore, a dovetail groove is formed in the inner side wall of the lamp body support, a guide block is arranged on the outer side wall of the lens support, and the guide block is inserted in the dovetail groove.

Further, the stroke groove comprises at least one adjusting groove positioned on one side and a reset groove positioned on the other side relative to the adjusting groove.

Furthermore, the adjusting groove and the reset groove are obliquely arranged, and the inclination direction meets the following requirements: the head end of the adjusting groove is close to the reset groove relative to the tail end of the adjusting groove, and the tail end of the reset groove is close to the adjusting groove relative to the head end of the reset groove.

Further, the guide bar is also capable of lateral movement relative to the lens holder between the adjustment groove and the reset groove.

Furthermore, the lamp body support further comprises a mounting plate, each stroke groove is formed in the mounting plate, and the mounting plate can transversely move between the adjusting groove and the reset groove relative to the lamp body support.

Furthermore, the adjusting groove and the resetting groove are arc-shaped grooves protruding towards one side of the lens component.

Further, the groove bottom of the reset groove gradually rises along the direction from the head end of the reset groove to the tail end of the reset groove.

In a second aspect, a luminaire with adjustable light emitting angle is provided, which comprises

The lens component comprises a lens support and a lens, at least two stroke grooves which are connected end to end are arranged on the lens component, the tail end of the previous stroke groove is higher than the head end of the next stroke groove to form a limiting step, and the lens is connected to the lens support;

the lamp body assembly comprises a lamp body support, a guide rod, a first elastic piece, a light source and a second elastic piece, wherein the light source and the guide rod are both connected to the lamp body support;

the lens component can elastically move along the light emitting direction of the light source relative to the lamp body support through the second elastic part, the end part of the guide rod is inserted into the stroke groove and is abutted against the groove bottom of the stroke groove, and the guide rod can move unidirectionally relative to the stroke grooves along with the elastic movement of the lens component. The embodiment of the invention has the following beneficial effects:

according to the embodiment of the invention, through the matching of the stroke groove and the guide rod, the light-emitting angle of the lamp can be quickly adjusted in a mode of pressing the lens component, the operation is simple, the switching efficiency is high, and the requirement of quick switching can be met.

Drawings

FIG. 1 is a perspective view of a lens assembly in a first embodiment;

FIG. 2 is an exploded schematic view of FIG. 1;

fig. 3 is a perspective view of the lamp body assembly in the first embodiment;

FIG. 4 is an exploded view of the mounting bracket and the mounting plate in the first embodiment;

FIG. 5 is a perspective view of the mounting plate in the first embodiment;

FIG. 6 is a cross-sectional view of the first embodiment of the lamp after assembly;

fig. 7 is an enlarged schematic view of region a in fig. 6.

Detailed Description

This section will describe in detail embodiments of the present invention, which are illustrated in the accompanying drawings, the purpose of which is to supplement the description of the text of the description with figures so that each technical feature and the whole technical solution of the embodiments of the present invention can be intuitively and visually understood, but it should not be construed as limiting the scope of the present invention.

In the description of the present invention, if an orientation description is referred to, for example, the orientations or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the orientations or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. If a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.

In the description of the embodiments of the present invention, if "a number" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "greater than", "lower" or "inner" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

In addition, unless defined otherwise, technical and scientific terms used in the embodiments of the present invention have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

First embodiment

Referring to fig. 1 and 2, fig. 1 shows a perspective view of a lens assembly in a first embodiment, and fig. 2 is an exploded view of fig. 1. As shown, the lens assembly 100 in this embodiment includes a lens holder 110, a lens 120, a guide rod 130 and a first elastic member 140.

The lens holder 110 includes a lens fixing ring 111 and a lens holder 112, and the lens fixing ring 111 and the lens holder 112 are connected by a snap to fix the lens 120 therebetween. Three guide blocks 113 are circumferentially provided on the outer side wall of the lens holder 112.

The outer side wall of the lens fixing frame 112 is further provided with a mounting groove 114, one end of the guide rod 130 is located in the mounting groove 114 and passes through a strip-shaped hole (not shown in fig. 1 and fig. 2) on the bottom of the mounting groove 114, the first elastic element 140 (a spring in the embodiment, and an elastic sheet in other embodiments) is sleeved on the guide rod 130, one end of the first elastic element abuts against the bottom of the mounting groove 114, and the other end of the first elastic element abuts against the mounting seat 131 at the end of the guide rod 130, so that the guide rod 130 always applies an acting force axially extending towards fig. 2. On the other hand, the distance of the mounting groove 114 in the lateral direction in fig. 1 is greater than the width of the mounting seat 131, that is, the guide bar 130 can freely move in the mounting groove 114 in the lateral direction in fig. 1 with respect to the lens holder 112.

Referring to fig. 3, fig. 3 is a perspective view showing a lamp body assembly in the first embodiment, and fig. 3 is a view hiding a fixing bracket. As shown, the lamp body assembly 200 in this embodiment includes a lamp body support 210, a light source 220 and a second elastic member 230.

The lamp body holder 210 is a cylindrical structure, the light source 220 is fixed in the cavity, and the structure of the light source 220 and the connection structure between the light source 220 and the lamp body holder 210 can adopt the known technology, which is not limited herein. The second elastic member 230 (a spring in this embodiment, or a spring plate in other embodiments) is disposed on the outer side of the light source 220, and the bottom end of the second elastic member 230 abuts against the lamp body support 210.

The lamp body support 210 is further provided with a partition 211 inside, and the partition 211 is provided with a plurality of clamping grooves 212.

Referring to fig. 4 and fig. 4, which are exploded schematic views illustrating the fixing bracket and the mounting plate in the first embodiment, as shown in the figure, the fixing bracket 240 is a ring-shaped bracket, a plurality of fasteners 241 extend from the bottom end of the fixing bracket 240, and the fixing bracket 240 can be fixed on the lamp body bracket 210 by fastening the fasteners 241 into the slots 212 on the partition 211. The inner side wall of the fixed support 240 is provided with a dovetail groove 242, and the mounting plate 250 is inserted in the dovetail groove 242, so that the mounting plate 250 and the fixed support 240 can be detachably connected, different mounting plates 250 can be replaced according to different adjustment stages, and the adjustment range of the light-emitting angle of the lamp is enlarged.

The inner side wall of the fixing bracket 240 is further provided with a plurality of dovetail grooves 243, and the sliding connection of the lens assembly 100 relative to the fixing bracket 240 can be realized by inserting the guide blocks 113 into the dovetail grooves 243.

Referring to fig. 5, which shows a perspective view of the mounting plate in the first embodiment, as shown in the figure, a plurality of stroke slots are arranged on the mounting plate 250 in a tail-to-tail connection manner, and the tail end of the previous stroke slot is higher than the head end of the next stroke slot to form a limit step. The stroke groove can be divided into an adjusting groove for adjusting the light emitting angle and a reset groove for resetting according to different functions, wherein at least one adjusting groove is arranged and is positioned on the same side, the reset groove is usually one, and is positioned on the other side relative to the adjusting groove, specifically, in this embodiment, a first adjusting groove 251, a second adjusting groove 252, a third adjusting groove 253 and a reset groove 254 are arranged in an end-to-end manner, wherein the first adjusting groove 251, the second adjusting groove 252 and the third adjusting groove 253 are positioned on the left side in fig. 5, the reset groove 254 is positioned on the right side in fig. 5, the whole is distributed in an approximate heart shape, the tail end of the first adjusting groove 251 is higher than the head end of the second adjusting groove 252, so that a limit step a is formed at the junction of the first adjusting groove 251 and the second adjusting groove 252, and similarly, a limit step B is formed at the junction of the second adjusting groove 252 and the third adjusting groove 253, the joint of the third adjustment groove 253 and the reset groove 254 forms a limit step C, and the joint of the reset groove 254 and the first adjustment groove 251 forms a limit step D.

In this embodiment, the adjustment groove and the reset groove are both disposed in an inclined manner, the inclined directions of the first adjustment groove 251, the second adjustment groove 252 and the third adjustment groove 253 are the same, that is, the head end of the adjustment groove is closer to the reset groove than the tail end of the adjustment groove, the inclined direction of the reset groove 254 is opposite to the inclined direction of the adjustment groove, that is, the tail end of the reset groove 254 is closer to the adjustment groove than the head end of the reset groove 254, and in combination with the lateral movement of the guide bar 130, the movement of the guide bar 130 between the stroke grooves can be realized more flexibly. Meanwhile, the tail end of the previous adjustment groove is connected with the middle of the next adjustment groove, so that the top of the adjustment groove forms a groove socket capable of stably accommodating the guide bar 130.

In this embodiment, the adjusting slot and the resetting slot are both arc-shaped slots protruding toward one side of the lens assembly 100, and the slot walls of the arc-shaped slots can guide the guiding rod 130, so that the movement of the guiding rod 130 is smoother.

In the present embodiment, the groove bottom of the reset groove 254 is gradually raised in a direction from the head end of the reset groove 254 to the tail end of the reset groove 254, so that the tail end of the reset groove 254 can be higher than the head end of the first adjustment groove 251.

Referring to fig. 6 and 7, fig. 6 shows a cross-sectional view of the lamp in the first embodiment after assembly, fig. 7 shows an enlarged view of a region a in fig. 6, as shown in the figure, the fixing bracket 240 is fixed on the inner side wall of the lamp body bracket 210, the lens assembly 100 is connected to the inner side wall of the fixing bracket 240 and can slide relative to the fixing bracket 240 along the light emitting direction of the light source 220, and the upper end of the second elastic member 230 abuts against the lens assembly 100, so as to provide an acting force for the lens assembly 100 to move along the upper direction of fig. 6 all the time. As shown in fig. 6, in an initial state, the end of the guide rod 130 is inserted into the first adjustment groove 251, due to the action of the first elastic member 140, the end of the guide rod 130 abuts against the bottom of the first adjustment groove 251, and due to the action of the second elastic member 230, the end of the guide rod 130 finally falls into the socket at the top of the first adjustment groove 251, and at this time, the distance between the lens assembly 100 and the light source 220 is longest, and the light emitting angle is smallest.

When the lens assembly 100 is used, the guide rod 130 slides into the second adjusting groove 252 along the first adjusting groove 251, after external force is removed, due to the existence of the limiting step A, the guide rod 130 cannot slide into the first adjusting groove 251 from the second adjusting groove 252 again, and simultaneously, due to the action of the second elastic piece 230, the end part of the guide rod 130 finally falls into the groove socket at the top end of the second adjusting groove 252, so that the lens assembly 100 is fixed at the current position, at the moment, the distance between the lens assembly 100 and the light source 220 is shortened, and the light emitting angle is increased.

When the lens assembly 100 is pressed again, the guide rod 130 slides into the third adjusting groove 253 along the second adjusting groove 252, after the external force is removed, the guide rod 130 cannot slide into the second adjusting groove 252 from the third adjusting groove 253 again due to the existence of the limiting step B, and meanwhile, due to the action of the second elastic member 230, the end of the guide rod 130 finally falls into the recess at the top end of the third adjusting groove 253, so that the lens assembly 100 is fixed at the current position, and at this time, the distance between the lens assembly 100 and the light source 220 is the minimum, and the light emitting angle is the maximum.

When the lens assembly 100 is pressed again, the guide rod 130 slides into the reset groove 254 along the third adjustment groove 253, after the external force is removed, the guide rod 130 cannot slide into the third adjustment groove 253 from the reset groove 254 again due to the existence of the limit step C, and simultaneously, due to the action of the second elastic member 230, the end of the guide rod 130 continues to slide upwards along the reset groove 254 until falling into the first adjustment groove 251 and finally staying in the socket at the top end of the first adjustment groove 251, at this time, the lens assembly 100 returns to the initial state, and one adjustment cycle is completed.

This embodiment adopts the cooperation of stroke groove and guide bar, can the luminous angle of quick adjustment lamps and lanterns, easy operation switches efficiently, can satisfy the demand of fast switch over.

Second embodiment

This embodiment is an alternative embodiment to the first embodiment, and differs from the first embodiment in that: the guide bar 130 in this embodiment cannot move laterally, but the mounting plate 250 can move laterally, specifically, a mounting groove is formed on the inner side wall of the fixing bracket 240, and the lateral dimension of the mounting groove is greater than the lateral width of the mounting plate 250.

Third embodiment

This embodiment is an alternative embodiment to the first embodiment, and differs from the first embodiment in that: the number of the adjustment grooves is increased or decreased relative to the first embodiment, when only two adjustment grooves are provided, the lamp can be switched between two light-emitting angles, and when only four adjustment grooves are provided, the lamp can be switched between four light-emitting angles.

Fourth embodiment

This embodiment is an alternative embodiment to the first embodiment, and differs from the first embodiment in that: the mounting plate 250 is not provided and the stroke groove is directly provided on the inner sidewall of the fixing bracket 240.

Fifth embodiment

This embodiment is an alternative embodiment to the fourth embodiment, and differs from the first embodiment in that: the fixing bracket 240 in this embodiment is integrally connected to the lamp body bracket 210, i.e., the stroke slot can be regarded as being directly disposed on the inner sidewall of the lamp body bracket 210.

Sixth embodiment

This embodiment is an alternative embodiment to the first embodiment, and differs from the first embodiment in that: the stroke groove is arranged on the lens bracket of the lens component, and the guide rod is arranged on the lamp body bracket of the lamp body component, i.e. the stroke groove can move up and down along with the lens component, in this embodiment, the whole stroke groove in the first embodiment needs to be inverted, i.e. the first adjusting groove 251 is located at the bottommost part, and in the initial state, the end part of the guide rod 130 stays in the groove socket at the bottom of the first adjusting groove 251.

The embodiments of the present invention have been described in detail, but the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the claims. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Claims (10)

1. A lamp with adjustable light-emitting angle is characterized by comprising

The lens assembly comprises a lens support, a lens, a guide rod and a first elastic piece, wherein the lens and the guide rod are both connected to the lens support, and the guide rod can elastically move along the axial direction of the guide rod relative to the lens support through the first elastic piece;

the lamp body assembly comprises a lamp body support, a light source and a second elastic piece, wherein the light source is connected to the lamp body support, at least two stroke grooves which are connected end to end are arranged on the lamp body assembly, and the tail end of the front stroke groove is higher than the head end of the rear stroke groove to form a limiting step;

the lens component can elastically move relative to the lamp body support along the light emitting direction of the light source through the second elastic part, the end part of the guide rod is inserted in the stroke groove and is abutted against the groove bottom of the stroke groove, and the guide rod can move unidirectionally relative to the stroke grooves along with the elastic movement of the lens component.

2. The lamp of claim 1, further comprising a mounting plate, wherein the mounting plate is detachably connected to the lamp body bracket, and each of the stroke slots is disposed on the mounting plate.

3. The lamp with the adjustable light-emitting angle according to claim 1, wherein a dovetail groove is formed in an inner side wall of the lamp body support, a guide block is arranged on an outer side wall of the lens support, and the guide block is inserted into the dovetail groove.

4. A light fixture with adjustable light-emitting angle according to claim 1, wherein said stroke slot comprises at least one adjustment slot on one side and a reset slot on the other side with respect to said adjustment slot.

5. The lamp with the adjustable light-emitting angle as claimed in claim 4, wherein the adjusting groove and the reset groove are both disposed obliquely, and the oblique direction satisfies: the head end of the adjusting groove is close to the reset groove relative to the tail end of the adjusting groove, and the tail end of the reset groove is close to the adjusting groove relative to the head end of the reset groove.

6. A light angularly adjustable according to claim 5, characterized in that said guide bar is also capable of lateral movement relative to said lens holder between said adjustment slot and said reset slot.

7. A light fixture having an adjustable angle of illumination as set forth in claim 5, further comprising a mounting plate, each of said travel slots being disposed on said mounting plate, said mounting plate being capable of lateral movement relative to said lamp body support between said adjustment slot and said reset slot.

8. The lamp of claim 5, wherein the adjusting groove and the resetting groove are both arc-shaped grooves protruding toward one side of the lens assembly.

9. The lamp with adjustable light-emitting angle according to claim 4, wherein the bottom of the reset groove gradually rises along a direction from the head end of the reset groove to the tail end of the reset groove.

10. A lamp with adjustable light-emitting angle is characterized by comprising

The lens assembly comprises a lens support and a lens, at least two stroke grooves which are connected end to end are arranged on the lens assembly, the tail end of the previous stroke groove is higher than the head end of the next stroke groove to form a limiting step, and the lens is connected to the lens support;

the lamp body assembly comprises a lamp body support, a guide rod, a first elastic piece, a light source and a second elastic piece, wherein the light source and the guide rod are both connected to the lamp body support;

the lens component can elastically move relative to the lamp body support along the light emitting direction of the light source through the second elastic part, the end part of the guide rod is inserted in the stroke groove and is abutted against the groove bottom of the stroke groove, and the guide rod can move unidirectionally relative to the stroke grooves along with the elastic movement of the lens component.