CN211010944U - Lamp with a light source - Google Patents

Abstract

The utility model belongs to the technical field of lighting apparatus, especially, relate to a lamp, the lamp includes: a housing; a light emitting element provided in the case; the lens is arranged in the shell, and a gap is formed between the lens and the inner wall of the shell; and the pressing ring comprises an elastic piece, and the elastic piece is at least partially arranged in the gap and elastically clamped between the light-emitting end of the lens and the shell so as to deform after the lens expands. The lamp that this embodiment provided, use the clamping ring including the elastic component, the elastic component elasticity centre gripping is between the light-emitting end of lens and casing, after lens inflation, the clearance between the inner wall of lens and casing changes, the elastic component takes place to warp immediately, the elastic component can be along with clearance change, and then weaken or eliminate the eccentric influence of lens inflation, the elastic component plays the cushioning effect on the one hand, can prevent not hard up of lens, on the other hand can weaken or eliminate the eccentric influence of lens, make the illumination angle of lamp receive the influence to weaken or not influenced.

Description

Lamp with a light source

Technical Field

The utility model belongs to the technical field of lighting apparatus, especially, relate to a lamp.

Background

Lighting devices, such as spot lights, are increasingly used in a variety of locations, such as conference rooms, malls, airports, and the like. After the spot lamp is used for a period of time, the lens of the spot lamp can expand, the lens is easy to loosen after expansion, the lens is easy to deflect relative to the lamp housing, and the lens is eccentric, so that the original illumination angle of the spot lamp can be changed, and when the eccentricity degree of the lens is large, the illumination angle of the spot lamp can cause discomfort to a user or cannot meet the requirement of the illumination angle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lamp aims at solving among the prior art because lens inflation back is easy not hard up, easily takes place eccentric phenomenon, and then leads to shining the technical problem that the angle changes.

In order to achieve the above object, the utility model adopts the following technical scheme: a lamp, comprising:

a housing;

a light emitting element provided in the case;

the lens is arranged in the shell, and a gap is formed between the lens and the inner wall of the shell;

and the pressing ring comprises an elastic piece, and the elastic piece is at least partially arranged in the gap and elastically clamped between the light-emitting end of the lens and the shell so as to deform after the lens expands.

In one embodiment, the pressing ring further comprises a pressing ring jointed with the light-emitting end of the lens, and the elastic piece is arranged on the outer wall of the pressing ring.

In one embodiment, the elastic member is an elastic clip, one end of the elastic clip is fixedly connected to the outer wall of the pressing ring, and the other end of the elastic clip is jointed with the inner wall of the shell.

In one embodiment, a protruding ring is protruded from the inner wall of the housing, and the other end of the elastic clip is fastened to the protruding ring.

In one embodiment, the elastic clamp comprises a plurality of first hooks which are arranged on the outer wall of the pressing ring through spacing rings, and the first hooks are respectively buckled on the convex rings.

In one embodiment, a plurality of first hooks are evenly arranged on the outer wall of the pressing ring in an annular mode at intervals, and at least 3 first hooks are arranged.

In one embodiment, the first hook comprises an elastic arm and a clasp protruding from a free end of the elastic arm and extending in a direction away from the lens, and the elastic arm extends from an outer wall of the press ring in a direction opposite to a light emitting direction of the lens and extends into the gap; the intersection of the elastic arm and the outer side of the clasp is provided with an inclined surface, an axial gap is formed between the convex ring and the clasp, the axial gap is reduced or disappears after the lens is expanded, and the convex ring abuts against the inclined surface or the clasp.

In one embodiment, the press ring is gradually expanded along the light-emitting direction of the lens.

In one embodiment, an annular boss is convexly arranged on the outer wall of the lens close to the light-emitting end, a plurality of second hooks extending towards the lens direction are annularly arranged on the outer wall of the pressing ring at intervals, and the second hooks are respectively buckled on the annular boss.

In one embodiment, the lens is tapered from the light-emitting end to the light-entering end, and a cavity covering the light-emitting element is concavely formed at the light-entering end of the lens.

The utility model has the advantages that: the lamp of the utility model uses the pressing ring comprising the elastic part, the elastic part is elastically clamped between the light-emitting end of the lens and the shell, after the lens expands, the gap between the lens and the inner wall of the shell changes, the elastic part deforms immediately, the elastic part can be automatically adapted and adjusted along with the change of the gap, and further the eccentric influence of the expansion of the lens is weakened or eliminated, the elastic part plays a role in buffering on one hand, the looseness of the lens can be prevented, on the other hand, the eccentric influence of the lens can be weakened or eliminated, so that the illumination angle of the lamp is weakened or not influenced; the elastic piece can reduce assembly tolerance, the difficulty of lamp part manufacture is reduced, the cost is reduced, and the assembly between the lens and the shell is easy to realize.

Drawings

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

Fig. 1 is a schematic cross-sectional structural diagram of a lamp provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of an assembly structure of a first hook and a housing in a lamp according to an embodiment of the present invention;

fig. 4 is a schematic view of an assembly structure of the first hook and the housing after the lens is expanded in the lamp according to the embodiment of the present invention;

fig. 5 is an exploded view of a lamp according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a middle pressure ring of a lamp according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a shell; 2-a light emitting element; 3-a lens; 4-pressing a ring; 10-a convex ring; 101-gap; 102-axial clearance; 20-a substrate; 21-a screw; 30-a cavity; 31-an annular boss; 32-double eye plate; 321-a light-transmitting surface; an elastic member-40'; 40-a first hook; 41-a pressure ring; 42-a second hook; 43-a positioning plate; 401-a resilient arm; 402-a clasp; 403-inclined plane.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of 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 construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in FIGS. 1-2, the embodiment of the present invention provides a lamp, which comprises a housing 1, a light emitting element 2, a lens 3 and a pressing ring 4. The shell 1 is a hollow structure, and the shell 1 can be but is not limited to a cylindrical structure; the light emitting element 2 is provided in the housing 1. The lens 3 is provided in the housing 1. The light emitting side of the light emitting element 2 faces the light incident end of the lens 3. A gap 101 is arranged between the lens 3 and the inner wall of the shell 1; the pressing ring 4 comprises an elastic member 40 ', the elastic member 40' is at least partially arranged in the gap 101, the elastic member 40 'is clamped between the light emitting end of the lens 3 and the shell 1, after the lens 3 expands, the gap 101 changes, the elastic member 40' deforms, and then the changed gap 101 can be adapted, the eccentric influence of the expansion of the lens 3 is weakened or eliminated, and the change of the light irradiation direction of the lamp is weakened or kept unchanged.

The lamp provided by the embodiment uses the pressing ring 4 comprising the elastic element 40 ', the elastic element 40' is elastically clamped between the light emitting end of the lens 3 and the shell 1, after the lens 3 expands, the gap 101 between the lens 3 and the inner wall of the shell 1 changes, the elastic element 40 'deforms immediately, the elastic element 40' can be automatically adapted and adjusted along with the change of the gap 101, and further the eccentric influence of the expansion of the lens 3 is weakened or eliminated, the elastic element plays a role in buffering on one hand, the looseness of the lens 3 can be prevented, and on the other hand, the eccentric influence of the lens 3 can be weakened or eliminated, so that the illumination angle of the lamp is weakened or not influenced; the arrangement of the elastic member 40' can also reduce the assembly tolerance, the difficulty of manufacturing the lamp components is reduced, the cost is reduced, and the assembly between the lens 3 and the housing 1 is easy to realize.

In one embodiment, the pressing ring 4 further comprises a pressing ring 41 coupled to the light-emitting end of the lens 3, and the elastic member 40' is disposed on an outer wall of the pressing ring 41. The cross-sectional profile shape of the press ring 41 is matched with that of the shell 1, and the press ring 41 can contain and fix the lens 3 in the shell 1 through the elastic piece 40'; the elastic member 40' and the pressing ring 41 may be integrally provided or may be separately provided.

In one embodiment, the elastic member 40' is an elastic clip, one end of which is fixed to the outer wall of the pressing ring 41, and the other end of which is engaged with the inner wall of the housing 1. The elastic clamp and the inner wall of the shell 1 can be provided with mutually matched clamping structures or buckling structures, so that the lens 3 can be effectively prevented from being separated from the shell 1 through the elastic clamp.

In one embodiment, as shown in fig. 2 and 6, a protruding ring 10 protrudes from the inner wall of the housing 1, and the other end of the elastic clip is fastened to the protruding ring 10. The convex ring 10 is arranged on one side, close to the light-emitting end of the lens 3, of the inner wall of the shell 1, the pressing ring 4 and the lens 3 are inserted into the shell 1 together after being assembled, the elastic clamp is buckled on the convex ring 10, the whole structure is simple, the number of used parts is small, and the assembly operation is simple and convenient.

In one embodiment, as shown in fig. 2, 5 and 6, the elastic clip includes a plurality of first hooks 40 disposed on the outer wall of the pressing ring 41, and each of the first hooks 40 is fastened to the protruding ring 10. The first hook 40 and the pressing ring 41 may be integrally formed. The pressing ring 4 is an integrally formed part, and the pressing ring 4 can also be formed in a split way; the first hooks 40 may be symmetrically disposed on two opposite sides of the outer wall of the pressing ring 41 or the first hooks 40 may be uniformly spaced on the outer wall of the pressing ring 41 to reduce or eliminate the eccentric effect caused by the expansion of the lens 3.

In one embodiment, as shown in fig. 5 and 6, a plurality of first hooks 40 are disposed on the outer wall of the pressing ring 41 at regular intervals. The number of the first hooks 40 is at least 3, and the first hooks 40 are uniformly distributed on the outer wall of the pressing ring 41 at intervals, so that the stress on the contact part of each first hook 40 and the convex ring 10 is uniform after the lens 3 is expanded, the eccentric phenomenon after the lens 3 is expanded is further eliminated, and the lens 3 cannot incline to one side.

In one embodiment, as shown in fig. 1 to 3, the first hook 40 includes an elastic arm 401 and a hook 402 protruding from a free end of the elastic arm 401 and extending away from the lens 3. The hook 402 is disposed on a side of the free end of the elastic arm 401 opposite to the lens 3. The elastic arm 401 extends from the outer wall of the pressing ring 41 in the direction opposite to the light emitting direction X of the lens 3 and extends into the gap 101. The side of the clasp 402 facing the inner wall of the housing 1 is formed with a guide ramp for easy insertion during assembly. In this embodiment, the lens 3 has an optical axis, the direction away from the optical axis is the outer side, the direction close to the optical axis is the inner side, and the intersection of the elastic arm 401 and the outer side of the hook 402 is provided with an inclined surface 403. An axial gap 102 is formed between the collar 10 and the clasp 402. After the lens 3 is expanded, the axial gap 102 is reduced or eliminated, and the convex ring 10 is pressed against the inclined surface 403 or against the hook 402. The first hook 40 is provided with the inclined surface 403, and the convex ring 10 on the inner wall of the housing 1 elastically abuts against the inclined surface 403, so that the first hook 40 can be elastically clamped between the housing 1 and the lens 3, the lens 3 cannot loosen, and the lens 3 moves in the light-emitting direction X after expanding, the axial gap 102 is reduced, the axial gap 102 disappears when the lens 3 is expanded to a certain degree, and then the hook 402 is used for buckling the convex ring 10, so that the lens 3 can be prevented from being released and loosened from the housing 1.

Referring to fig. 2 to 4, when the lens 3 is not expanded, an axial gap 102 exists between the collar 10 and the hook 402, where the value of the axial gap 102 is D, and at this time, an edge of the collar 10 close to the hook 402 abuts against the inclined surface 403, or when the lens 3 is not expanded, a side wall of the collar 10 abuts against the elastic arm 401. After the lens 3 is expanded, the axial dimension of the lens 3 changes greatly, the radial dimension changes slightly, the value D of the axial gap 102 decreases or becomes zero, as shown in fig. 3, D decreases and is greater than zero, the convex ring 10 abuts against the inclined surface 403, as shown in fig. 4, D decreases to zero, the axial gap 102 disappears, the convex ring 10 abuts against the hook 402, at this time, the pressing ring 4 hooks the convex ring 10 on the inner wall of the housing 1 through the hook 402 on the first hook 40, so that the lens 3 is pressed in the housing 1 all the time, the lens 3 is fixed relative to the housing 1, and the lens 3 does not loosen.

In an embodiment, as shown in fig. 1, 5 and 6, the press ring 41 is in a gradually expanding shape along the light emitting direction X of the lens 3, the extending direction of the elastic arm 401 of the first hook 40 is parallel to the light emitting direction X of the lens 3, a space is provided between the elastic arm 401 and the outer wall of the lens 3, the hook 402 of the first hook 40 is located on a side away from the outer wall of the lens 3, that is, the first hook 40 is suspended with respect to the lens 3, and when the axial gap 102 disappears after the lens 3 expands, the hook 402 buckles the convex ring 10 on the inner wall of the housing 1.

In an embodiment, as shown in fig. 5 and 6, an annular boss 31 is convexly disposed on an outer wall of the lens 3 near the light-emitting end, a plurality of second hooks 42 extending toward the lens 3 are circumferentially disposed at intervals on an outer wall of the pressing ring 41, and each second hook 42 is respectively fastened to the annular boss 31, so that the pressing ring 4 is coupled to the lens 3 by fastening the second hooks 42 to the annular boss 31, and the assembly between the pressing ring 4 and the lens 3 is convenient.

Each second hook 42 and each first hook 40 are arranged in a staggered manner, a plurality of positioning plates 43 can be arranged at intervals at the positions where the outer wall of the pressing ring 41 avoids the second hooks 42 and the first hooks 40, one end of each positioning plate 43 extends in the direction opposite to the light emitting direction X of the lens 3 and extends out of the pressing ring 41, after the pressing ring 41 is assembled with the lens 3, the inner wall of each positioning plate 43 is attached to the outer wall of the annular boss 31 of the lens 3, and the positioning plates 43 can play a role in auxiliary positioning in the process of assembling the pressing ring 41 and the lens 3. In one embodiment, the outer wall of the pressing ring 41 is evenly spaced by the ring and provided with 3 first hooks 40, 3 second hooks 42 and 4 positioning plates 43, and the second hooks 42, the first hooks 40 and the positioning plates 43 are arranged in a staggered manner.

In an embodiment, the lens 3 tapers from the light-emitting end to the light-entering end, the light-entering end of the lens 3 is recessed to form a cavity 30 for covering the light-emitting device 2, and the lens 3 may be, but is not limited to, a total internal reflection lens. The light-emitting end of the lens 3 may be provided with a fly-eye plate 32, and the light-emitting surface of the fly-eye plate 32 is a fly-eye array surface, so that the light emitted from the lens 3 is uniform, and glare can be prevented. The center of the double-eye plate 32 may be provided with a light-transmitting surface 321 without a double-eye structure, the area enclosed by the light-transmitting surface 321 is circular, and the four sides of the light-transmitting surface 321 are double-eye array surfaces.

One side that casing 1 is close to lens 3 income light end is sealed, be equipped with base plate 20 in this side in casing 1, for example aluminium base board, base plate 20 passes through screw 21 and casing 1 fixed, light emitting component 2 is L ED lamp pearl for encapsulating on base plate 20 through the COB, the play plain noodles of L ED lamp pearl is just to going into the plain noodles setting of lens 3, lens 3 passes through clamping ring 4 spiral-lock in casing 1, the income light end of lens 3 offsets with base plate 20, the cavity 30 cover of lens 3 income light end establishes L ED lamp pearl.

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

Claims (10)

1. A lamp, characterized by: the method comprises the following steps:

a housing (1);

a light emitting element (2) provided in the housing (1);

a lens (3) disposed within the housing (1), a gap (101) being provided between the lens (3) and an inner wall of the housing (1);

a pressing ring (4) comprising an elastic member (40 '), wherein the elastic member (40') is at least partially arranged in the gap (101) and elastically clamped between the light-emitting end of the lens (3) and the shell (1) so as to deform after the lens (3) expands.

2. The lamp of claim 1, wherein: the pressing ring (4) further comprises a pressing ring (41) which is jointed with the light-emitting end of the lens (3), and the elastic piece (40') is arranged on the outer wall of the pressing ring (41).

3. The lamp of claim 2, wherein: the elastic piece (40') is an elastic clamp, one end of the elastic clamp is fixedly connected to the outer wall of the pressing ring (41), and the other end of the elastic clamp is connected with the inner wall of the shell (1).

4. A lamp as claimed in claim 3, characterized in that: the inner wall of the shell (1) is convexly provided with a convex ring (10), and the other end of the elastic clamp is buckled on the convex ring (10).

5. The lamp of claim 4, wherein: the elastic clamp comprises a plurality of first hooks (40) which are arranged on the outer wall of the pressing ring (41) in a spaced mode, and the first hooks (40) are buckled on the convex ring (10) respectively.

6. The lamp of claim 5, wherein: a plurality of first hook (40) are evenly arranged on the outer wall of the pressing ring (41) in an annular mode at intervals, and at least 3 first hooks (40) are arranged.

7. The lamp of claim 5, wherein: the first hook (40) comprises an elastic arm (401) and a clasp (402) which is convexly arranged at the free end of the elastic arm (401) and extends towards the direction far away from the lens (3), and the elastic arm (401) extends from the outer wall of the press ring (41) towards the opposite direction of the light outlet direction (X) of the lens (3) and extends into the gap (101); an inclined surface (403) is arranged at the intersection of the elastic arm (401) and the outer side of the clasp (402), an axial gap (102) is formed between the convex ring (10) and the clasp (402), the axial gap (102) is reduced or disappears after the lens (3) expands, and the convex ring (10) abuts against the inclined surface (403) or the clasp (402).

8. The lamp of claim 7, wherein: the pressing ring (41) is in a gradually expanding shape along the light emitting direction (X) of the lens (3).

9. The lamp of claim 2, wherein: the lens (3) are provided with an annular boss (31) in a protruding mode on the outer wall close to the light emitting end, a plurality of second hooks (42) extending towards the direction of the lens (3) are arranged on the outer wall of the pressing ring (41) at intervals in the annular direction, and the second hooks (42) are buckled on the annular boss (31) respectively.

10. A lamp as claimed in any one of claims 1 to 9, wherein: the lens (3) is gradually reduced from the light outlet end to the light inlet end, and a cavity (30) covering the light-emitting element (2) is concavely arranged at the light inlet end of the lens (3).

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