CN212361819U - Light source adjusting structure and down lamp - Google Patents

Abstract

The application provides a structure and down lamp are adjusted to light source, including regulating part, lens, the fixed light source that sets up and with the center pin of lens is the rotatory runing rest of axis of rotation, the regulating part with guiding hole has been seted up to one among the runing rest, the guiding hole is the spiral setting, just the spiral axis of guiding hole with the runing rest's axis of rotation is the same, the regulating part with another one arch among the runing rest is provided with stretches into in the guiding hole and follow the bellying of the direction of direction motion of guiding hole, lens are fixed in runing rest perhaps the regulating part. The application provides a structure and down lamp are adjusted to light source, and when runing rest was rotatory, guiding hole and bellying matched mutually promoted the regulating part and moved in the axial direction to change the axial distance between light source and the lens, be applicable to different luminous angles.

Description

Light source adjusting structure and down lamp

Technical Field

The application belongs to the technical field of lamps and lanterns, more specifically says, relates to a light source regulation structure and down lamp.

Background

The down lamp is comparatively common in daily life, inlays the inside use of locating the ceiling usually. The current down lamp can only send the light of a fixed angle after the assembly is accomplished, just can not continue to use current product after the luminous angle demand changes. Consequently, to the down lamp of different luminous angles, need adopt the lens of different grade type, lead to the suitability of present down lamp to be relatively poor.

Disclosure of Invention

An object of the embodiment of this application is to provide a light source adjusts structure to the technical problem who realizes that different luminous angles need change different lenses that exists among the prior art is solved.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a light source adjusting structure, including regulating part, lens, the fixed light source that sets up and with the center pin of lens is the rotatory runing rest of axis of rotation, the regulating part with guiding hole has been seted up to one among the runing rest, the guiding hole is the spiral setting, just the spiral axis of guiding hole with the runing rest's axis of rotation is the same, the regulating part with another one arch in the runing rest is provided with and stretches into in the guiding hole and follow the bellying of the direction motion of guiding hole, lens are fixed in runing rest perhaps the regulating part.

In one embodiment, the inner wall of the guide hole is provided with a plurality of locating grooves at intervals in the guide direction for locating the protruding part.

In one embodiment, the inner wall of the guide hole, on which the arrival groove is not provided, is wavy, and at least the surface of the protrusion, which is in contact with the inner wall of the guide hole, is wavy.

In one embodiment, the number of the guide holes and the number of the protrusions are equal and are all multiple, and the guide holes and the protrusions are all circumferentially and uniformly arranged by taking the central axis of the lens as an axis.

The application still provides a down lamp, adjust the structure including foretell light source, still including being used for the drive assembly and the radiating piece of light source, the light source is fixed in the radiating piece.

In one embodiment, the lens is fixed to the rotating bracket and the adjusting member is fixed to the heat sink.

In one embodiment, the down lamp further comprises a sleeve sleeved on the periphery of the rotating support, the sleeve is fixedly connected with the rotating support, and a hand-pulling part for pulling is arranged on one side of the sleeve facing the light emergent surface of the lens.

In one embodiment, the lens is fixed to the adjusting member, and the down lamp further includes a light shielding ring for guiding the adjusting member to move in an axial direction of the lens, and the light shielding ring is fixed to the heat dissipating member.

In one embodiment, the light-shielding ring is circumferentially provided with an arc-shaped hole, the outer periphery of the rotating bracket is provided with an insertion part inserted into the arc-shaped hole, and the arc length of the insertion part is smaller than that of the arc-shaped hole.

In one embodiment, the light-shielding ring is provided with a first axial guide portion, the adjusting member is provided with a second axial guide portion, and the first axial guide portion and the second axial guide portion are slidably engaged to move the adjusting member in the axial direction of the lens.

The application provides a light source regulation structure and down lamp's beneficial effect lies in: compared with the prior art, this application light source regulation structure includes regulating part, light source, lens and runing rest, and lens are fixed in on regulating part or the runing rest. One of them of regulating part and runing rest has seted up the guiding hole, and the other then is equipped with the bellying, and the guiding hole is the spiral setting for the both ends of guiding hole have the axial distance difference in the axial of lens, and the bellying is located in the guiding hole, and when runing rest rotated, the bellying slided under the direction of guiding hole. Because the guiding hole is the spiral setting, then regulating part and rotating bracket when relative rotation, its axial distance also changes gradually for the distance between lens and the light source also changes gradually, thereby can change luminous angle, is applicable to different luminous angle's demand.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in 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 application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective structural view of a first light source adjusting structure provided in an embodiment of the present application;

fig. 2 is an exploded view of a first light source adjustment structure provided in an embodiment of the present application;

FIG. 3 is a cross-sectional view of a first light source adjustment structure provided in an embodiment of the present application;

fig. 4 is a perspective structural view of a first down lamp provided in the embodiment of the present application;

fig. 5 is an exploded view of a head of a first down lamp according to an embodiment of the present disclosure;

fig. 6 is a perspective view of a sleeve according to an embodiment of the present disclosure;

fig. 7 is a perspective structural view of a second light source adjusting structure provided in the embodiment of the present application;

fig. 8 is an exploded view of a second light source adjustment structure provided in the embodiments of the present application;

fig. 9 is an exploded view of a head of a second down lamp according to an embodiment of the present application.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

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 application, "a plurality" means two or more unless specifically limited otherwise.

The light source adjusting structure provided in the embodiments of the present application will now be described.

The first embodiment is as follows:

referring to fig. 1, in a first embodiment of the present application, a light source adjusting structure 1a includes an adjusting part 11a, a rotating bracket 12a, a lens 13, and a light source 15. The rotating holder 12a rotates about the central axis of the lens 13, the rotating holder 12a is provided on the outer periphery of the lens 13, and the rotation of the rotating holder 12a can move the adjuster 11a and the rotating holder 12a relative to each other in the axial direction. In the first embodiment, the light source 15 is fixedly disposed, and the lens 13 is fixed on the rotating bracket 12a, so that when the rotating bracket 12a moves axially relative to the adjusting member 11a, the lens 13 moves axially relative to the light source 15, thereby adjusting the light emitting angle. Specifically, the rotating bracket 12a is provided with a guide hole 120, the guide hole 120 is spiral, the spiral axis of the guide hole 120 is the same as the rotation axis of the rotating bracket 12a, the adjusting part 11a is provided with a protruding part 111 in a protruding manner, and the protruding part 111 extends into the guide hole 120 and can move relative to the rotating bracket 12a under the guiding action of the guide hole 120; when the rotating bracket 12a rotates, the guiding hole 120 on the rotating bracket 12a has a tendency of pushing the adjusting piece 11a and the light source 15 to move in the axial direction of the lens 13, and when the adjusting piece 11a is fixedly arranged, the axial movement of the rotating bracket 12a is reversely pushed, so that the distance between the light source 15 and the lens 13 is changed, and the light emitting angle is adjusted. Or, the adjusting part 11a is provided with a guide hole 120, the guide hole 120 is spiral, the spiral axis of the guide hole 120 is the same as the rotation axis of the rotating bracket 12a, the rotating bracket 12a is provided with a protruding part 111 in a protruding manner, and the protruding part 111 extends into the guide hole 120 and can move relative to the rotating bracket 12a under the guiding action of the guide hole 120; when the rotating bracket 12a rotates, the protruding part 111 on the rotating bracket 12a has a tendency of pushing the adjusting piece 11a and the light source 15 to move relatively in the axial direction of the lens 13 under the guidance of the guiding hole 120, and when the adjusting piece 11a is fixedly arranged, the rotating bracket 12a is reversely pushed to move axially, so that the distance between the light source 15 and the lens 13 is changed, and the light emitting angle is adjusted.

The light source adjusting structure 1a in the above embodiment includes an adjusting member 11a, a lens 13, a rotating bracket 12a and a light source 15, wherein the lens 13 is fixed on the adjusting member 11a, and the rotating bracket 12a can rotate relative to the lens 13. One of the adjusting member 11a and the rotating bracket 12a is provided with a guide hole 120, the other is provided with a protrusion 111, the guide hole 120 is spirally arranged so that two ends of the guide hole 120 have an axial distance difference in the axial direction of the lens 13, the protrusion 111 is arranged in the guide hole 120, and when the rotating bracket 12a rotates relative to the lens 13, the protrusion 111 slides under the guide of the guide hole 120. Since the guiding hole 120 is spiral, the axial distance between the adjusting member 11a and the rotating bracket 12 gradually changes while the adjusting member and the rotating bracket relatively rotate, so that the distance between the lens 13 and the light source 15 gradually changes, and the light emitting angle can be changed, thereby being suitable for different light emitting angle requirements.

Optionally, referring to fig. 1 and fig. 2, a plurality of in-place grooves 1201 are formed in the inner wall of the guide hole 120 in the guide direction, and the in-place grooves 1201 are used for positioning the protrusions 111, so that the protrusions 111 of the rotating bracket 12a can be clamped in the in-place grooves 1201, thereby realizing adjustment of a plurality of light emitting angles. More specifically, during the rotation of the rotating bracket 12a, the protrusions 111 gradually reach the respective positioning slots 1201, so that the rotating bracket 12a and the adjusting member 11a have a plurality of clamping positions, and a plurality of light emitting angles can be adjusted. The positioning groove 1201 is arranged on the inner wall of the guide hole 120, the positioning groove 1201 can be arranged in an arc shape, and the protruding portion 111 is arranged in a circular shape, so that the positioning groove 1201 is matched with the outline of the protruding portion 111. In other embodiments of the present application, the inner wall of the guiding hole 120 and the protruding portion 111 are disposed in an interference fit manner, so that the rotating bracket 12a can only rotate under the driving of an external force, and when no external force acts, the relative position of the rotating bracket 12a and the adjusting member 11a remains unchanged, thereby achieving the continuous adjustment of the light emitting angle.

Alternatively, referring to fig. 1 and 2, an inner wall of the guide hole 120, which is not disposed in the positioning groove 1201, is wavy, and at least a portion of the protrusion 111 contacting the inner wall of the guide hole 120 is wavy. More specifically, when the protrusion 111 does not reach the position 1201 in the rotation process of the rotating bracket 12, the wave shape of the inner wall of the guide hole 120 is matched with the wave shape of the surface of the protrusion 111, so that when the protrusion 111 and the guide hole 120 move relatively, the rotating bracket 12 has a certain resistance and can be pushed under a small acting force, and the rotating bracket 12 is prevented from falling back axially when the external force is suddenly lost. Only a portion of the protrusion 111 contacting the inner wall of the guide hole 120 is waved; alternatively, the outer peripheries of the protrusions 111 are all wavy.

Optionally, the number of the guide holes 120 and the number of the protrusions 111 are equal and are multiple, and the guide holes 120 and the protrusions 111 are all uniformly arranged in the circumferential direction of the central axis of the lens 13, so that the force on each circumferential part of the adjusting piece 11a is uniform, and the adjusting piece 11a does not get stuck during the axial movement. The specific number of the guide holes 120 and the bosses 111 is not limited herein, and two, three, etc. may be selected.

Alternatively, referring to fig. 2 and 3, the guiding hole 120 is opened on the rotating bracket 12a, and the protruding portion 111 is disposed on the adjusting member 11 a. More specifically, the rotating bracket 12a has a cylindrical shape, and the guide hole 120 is opened in the peripheral wall of the rotating bracket 12a so that the guide hole 120 can be spirally provided. Further, the edge of the adjusting member 11a is formed with an extending portion 112 extending in the axial direction of the lens 13, and the protrusion portion 111 is fixed to the extending portion 112, and the extending portion 112 is provided so that the protrusion portion 111 can be inserted into the guide hole 120. The specific shape and structure of the extension 112 are not limited herein as long as the protrusion 111 can be inserted into the guide hole 120. The shape of the regulating member 11a is not limited herein, and the regulating member 11a may be selected from a circle, a square, and the like.

The application also provides a down lamp, please refer to fig. 4 and 5, the down lamp includes the light source adjusting structure 1a in the first embodiment, and further includes the driving assembly 2 and the heat sink 3, the driving assembly 2 is used for driving the light source 15, and the light source 15 is disposed on one side of the light incident surface of the lens 13. The drive assembly 2 may be external or internal to the lamp head. When the driving assembly 2 is externally arranged, the driving assembly 2 and the light source 15 are electrically connected through a cable. The light source 15 may be a single color temperature light source or a multiple color temperature light source. More specifically, the light source 15 may be a single color temperature COB light source, may also be a COB light source with two or more color temperatures, and may also be composed of an SMD light source with multiple color temperatures, so as to implement switching of multiple color temperatures. Optionally, the driving component 2 includes a manual switch, a digital switch or a potentiometer (electrodeless) and other devices for implementing the stepless switching or the electrodeless region switching of the color temperature, and may also adopt a drive with a smart card to implement the switching of the color temperature of the lamp and the adjustment of the power size through an external air device, a mobile phone APP and the like.

Alternatively, referring to fig. 5, the lens 13 is fixed to the rotating bracket 12, the heat sink 3 is fixed to the adjusting member 11a, and the light source 15 is interposed between the heat sink 3 and the adjusting member 11. The heat sink 3 and the adjusting element 11a may be fixedly connected by a screw member. The specific shape and structure of the heat sink 3 are not limited herein. The down lamp also comprises a shell 4 and a face ring 5, wherein the shell 4 is covered on the periphery of the rotating support 12, the shell 4 is fixed on the adjusting piece 11a, and the face ring 5 is fixed on the shell 4.

Optionally, referring to fig. 5 and fig. 6, the light source adjusting structure 1a includes an adjusting member 11a, a lens 13, a rotating bracket 12a, a light source 15, and a sleeve 14. The sleeve 14 is sleeved on the outer periphery of the rotating bracket 12a, and the sleeve 14 is fixedly connected with the rotating bracket 12a, so that the sleeve 14 and the rotating bracket 12a can rotate simultaneously. The sleeve 14 is provided with a hand-pulling portion 142 on a side facing the light-emitting surface of the lens 13, and the hand-pulling portion 142 protrudes from the end surface of the sleeve 14, so that an operator can pull the sleeve 14 and the rotating bracket 12a to rotate by pulling the hand-pulling portion 142, thereby adjusting the distance between the lens 13 and the light source 15. The surface of the hand-pulling part 142 can be zigzag or wavy, so that the friction force between the hand of the operator and the hand-pulling part 142 can be increased, and the operator can push the hand-pulling part 142 conveniently.

Optionally, referring to fig. 1 and fig. 6, a plurality of first fastening portions 141 are circumferentially disposed on an inner wall of the sleeve 14, a plurality of first fastening portions 141 are disposed on an outer periphery of the rotating bracket 12a, the first fastening portions 141 and the second fastening portions 121 are fastened to each other, and a fastening direction of the first fastening portions 141 and the second fastening portions 121 is a rotation axial direction of the rotating bracket 12 a. Thus, the sleeve 14 and the rotatable mount 12a can only be engaged and disengaged in the axial direction and are relatively fixed in the circumferential direction of rotation. Therefore, when the sleeve 14 rotates, the rotating bracket 12a rotates in synchronization with the sleeve 14. The first buckling parts 141 and the second buckling parts 121 are equal in number and are matched and clamped one by one, the first buckling parts 141 are uniformly arranged in the sleeve 14 in the circumferential direction, and the second buckling parts 121 are uniformly arranged on the periphery of the rotating support 12a in the circumferential direction. The first fastening part 141 is a protrusion fastener, and the second fastening part 121 is a slot; alternatively, the first locking portion 141 is a locking groove, and the second locking portion 121 is a protrusion locking.

Optionally, referring to fig. 1 and fig. 2, a third fastening portion 131 is disposed at an edge of the lens 13, a fourth fastening portion 122 is disposed on the rotating bracket 12a, the third fastening portion 131 and the fourth fastening portion 122 are fastened, and the lens 13 and the rotating bracket 12a can only be axially mounted, so as to limit circumferential relative movement between the rotating bracket 12a and the lens 13. Thus, when the rotating holder 12a rotates, the lens 13 also rotates together with the rotating holder 12 a.

Example two:

referring to fig. 7 and 8, in the second embodiment of the present application, the light source adjusting structure 1b includes an adjusting part 11b, a rotating bracket 12b, a lens 13, and a light source 15. The rotating holder 12b rotates about the center axis of the lens 13, and the rotation of the rotating holder 12b can move the adjuster 11 and the rotating holder 12b relative to each other in the axial direction. The difference between the second embodiment and the first embodiment is that: the light source 15 is fixedly arranged, and the lens 13 is fixed on the adjusting piece 11b, so that when the rotating bracket 12b moves axially relative to the adjusting piece 11b, the lens 13 moves axially relative to the light source 15, and the light emitting angle is adjusted. Specifically, the adjusting part 11b is provided with a guide hole 113, the guide hole 113 is spiral, the spiral axis of the guide hole 113 is the same as the rotation axis of the rotating bracket 12b, the rotating bracket 12b is provided with a protruding part 123 in a protruding manner, and the protruding part 123 extends into the guide hole 113 and can move relative to the rotating bracket 12b under the guiding action of the guide hole 113; when the rotating bracket 12b rotates, the convex part 123 on the rotating bracket 12b pushes the trend of relative movement of the adjusting piece 11b and the lens 13 in the axial direction of the lens 13 under the guidance of the guide hole 113, so that the distance between the light source 15 and the lens 13 is changed, and the light emitting angle is adjusted. Or, the rotating bracket 12b is provided with a guide hole 113, the guide hole 113 is spiral, the spiral axis of the guide hole 113 is the same as the rotation axis of the rotating bracket 12b, the adjusting part 11b is provided with a protruding part 123 in a protruding manner, and the protruding part 123 extends into the guide hole 113 and can move relative to the rotating bracket 12b under the guiding action of the guide hole 113; when the rotating bracket 12b rotates, the guide hole 1113 on the rotating bracket 12b pushes the adjusting piece 11b and the lens 13 to move in the axial direction of the lens 13, so that the distance between the light source 15 and the lens 13 is changed, and the light emitting angle is adjusted.

The application also provides a down lamp, please refer to fig. 9, the down lamp includes the light source adjusting structure 1b in the second embodiment, and further includes a driving assembly and a heat sink, and the structures of the driving assembly and the heat sink may be the same as the structures of the driving assembly 2 and the heat sink 3 in fig. 4. The lens 13 is fixed on the adjusting piece 11b, the down lamp further comprises a light shading ring 6, and the light shading ring 6 is fixed on the heat dissipation piece 3. The light-shielding ring 6 is used to guide the adjusting member 11b so that the adjusting member 11b can move only in the axial direction of the lens 13 when the rotating bracket 12b is rotated. The light source 15 may be sandwiched between the heat sink 3 and the base 16. The heat sink 3 and the base 16 may be fixedly connected by screws. The specific shape and structure of the heat sink 3 are not limited herein.

Optionally, the light-shielding ring 6 is circumferentially provided with an arc-shaped hole 62, the outer periphery of the rotating bracket 12b is provided with an insertion portion 124, and the arc length of the arc-shaped hole 62 is greater than the arc length of the insertion portion 124, so that the rotating bracket 12b can rotate by a certain angle relative to the light-shielding ring 6, and the relative positions of the rotating bracket 12b and the light-shielding ring 6 in the axial direction are fixed.

Alternatively, the light-shielding ring 6 is provided with a first axial guide portion 61, the light-shielding ring 6 is fixed to the heat sink 3, the adjusting member 11b is provided with a second axial guide portion 114, and the first axial guide portion 61 and the second axial guide portion 114 are slidably engaged with each other so that the adjusting member 11b can move only in the axial direction of the lens 13. The first axial guide rail portion 61 and the second axial guide rail portion 114 are not limited to this configuration, and the adjuster 11b may be moved in the axial direction.

Optionally, the edge of the lens 13 has a third buckling part 131, the adjusting part 11b is provided with a fifth buckling part 115, the third buckling part 131 and the fifth buckling part 115 are buckled, the lens 13 and the adjusting part 11b can only be mounted axially, and the circumferential relative movement of the adjusting part 11b and the lens 13 is limited, so that the adjusting part 11b and the lens 13 are fixed to each other. Thus, when the adjusting member 11b moves, the lens 13 also moves together with the adjusting member 11 b.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a light source adjusting structure, its characterized in that, including regulating part, lens, the fixed light source that sets up and with the center pin of lens is the rotatory runing rest of axis of rotation, the regulating part with one of them has seted up the guiding hole in the runing rest, the guiding hole is the spiral setting, just the spiral axis of guiding hole with runing rest's axis of rotation is the same, the regulating part with another arch in the runing rest is provided with the bellying, the bellying is used for stretching into in the guiding hole and follow the direction of direction motion of guiding hole, lens are fixed in runing rest perhaps the regulating part.

2. The light source regulating structure according to claim 1, wherein: and a plurality of arrival grooves for positioning the protruding parts are formed in the inner wall of the guide hole at intervals in the guide direction of the guide hole.

3. A light source regulating structure according to claim 2, wherein: the inner wall of the arrival groove, which is not arranged in the guide hole, is wavy, and the surface of the protruding part, which is at least contacted with the inner wall of the guide hole, is wavy.

4. The light source regulating structure according to claim 1, wherein: the guiding hole with the quantity of bellying equals and is a plurality ofly, the guiding hole with the bellying all uses the center pin of lens evenly sets up as axis circumference.

5. Down lamp, its characterized in that: comprising a light source adjustment structure according to any one of claims 1-4, further comprising a driving assembly for driving the light source and a heat sink to which the light source is fixed.

6. A downlight according to claim 5, wherein: the lens is fixed on the rotating support, and the adjusting piece is fixed on the heat dissipation piece.

7. A downlight according to claim 6, wherein: the down lamp is still located including the cover the sleeve of runing rest periphery, the sleeve with runing rest fixed connection, just the sleeve towards one side on the play plain noodles of lens is equipped with the hand portion of dialling that supplies to stir the use.

8. A downlight according to claim 5, wherein: the down lamp further comprises a light shading ring used for guiding the adjusting piece to move in the axial direction of the lens, and the light shading ring is fixed on the heat dissipation piece.

9. A downlight according to claim 8, wherein: arc-shaped holes are formed in the circumferential direction of the shading ring, an inserting portion inserted into the arc-shaped holes is arranged on the periphery of the rotating support, and the arc length of the inserting portion is smaller than that of the arc-shaped holes.

10. A downlight according to claim 8, wherein: the light shading ring is provided with a first axial guide rail part, the adjusting piece is provided with a second axial guide rail part, and the first axial guide rail part and the second axial guide rail part are in sliding fit to enable the adjusting piece to move in the axial direction of the lens.

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