CN217402469U - Optical assembly and lamp using same - Google Patents

Abstract

The utility model relates to the technical field of optical devices and lighting equipment, in particular to an optical assembly and a lamp using the same, wherein the optical assembly comprises a lens and a reflecting cup, the lens is provided with a fixing part, the reflecting cup is provided with a clamping groove, and the fixing part is clamped in the clamping groove; the clamping groove is formed in the upper end face of the reflection cup, and the opening of the clamping groove faces the lens. Set up fixed part and draw-in groove on lens and anti-light cup respectively, realize lens and anti-light cup's connection through draw-in groove chucking fixed part and fix, anti-light cup's structure is comparatively simple, manufacturing cost is lower, and lens and anti-light cup assembly comparatively simple, swift, production efficiency is higher, the cracked condition of buckle can not appear yet.

Description

Optical assembly and lamp using same

Technical Field

The utility model relates to an optical device and lighting apparatus technical field specifically are optical assembly and use its lamps and lanterns.

Background

The lens is an optical element which is made of transparent substances and has a part of spherical surface; the reflecting cup is a reflector which uses a point light source bulb as a light source and needs long-distance light condensation illumination, and is usually in a cup shape and commonly called as a reflecting cup. In order to achieve a better optical effect, many existing lamps are provided with a lens and a reflecting cup. The existing lens and the existing light reflecting cup are generally provided with a buckle on the light reflecting cup, and then the buckle hooks the lens to realize the connection of the lens and the light reflecting cup. However, the reflector cup with such a structure is prone to excessively deform the clip, resulting in lens looseness or clip breakage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical assembly and use its lamps and lanterns, aim at solving among the prior art lens and the comparatively troublesome, the lower technical problem of packaging efficiency of reflection of light cup assembly.

In order to achieve the above object, the present invention provides an optical assembly, which includes a lens and a reflective cup, wherein the lens has a fixing portion, the reflective cup has a slot, and the fixing portion is clamped in the slot; the clamping groove is formed in the upper end face of the reflection cup, and the opening of the clamping groove faces the lens. Make things convenient for the assembly of lens and anti-light cup, only need down press lens and can realize the installation.

Preferably, the fixing part is a cylinder which is arranged on the outer wall of the lens and extends outwards, and the shape of the clamping groove is matched with that of the cylinder.

Preferably, the lens is provided with two mutually symmetrical fixing parts on the side wall thereof, and the light reflecting cup is provided with two clamping grooves which are in one-to-one correspondence with the fixing parts. Two symmetrical fixed parts and two clamping grooves are arranged, so that the structural stability of the optical assembly can be improved, the lens and the light reflecting cup are not easy to fall off, and the stress is more uniform.

Preferably, the part forming the clamping groove has elastic deformation capability, and the reflective cup is provided with a shape-changing groove on one side of the clamping groove, or the reflective cup is provided with shape-changing grooves on both sides of the clamping groove. The lateral wall of draw-in groove has better elastic deformation, and the fixed part can block in the draw-in groove better.

Preferably, the opening direction of the deformation groove is the same as that of the clamping groove, and the depth of the deformation groove is the same as that of the clamping groove. The whole side wall of the clamping groove can be guaranteed to deform, and the whole process that the fixing part is clamped into the clamping groove is smooth.

Preferably, form the position of draw-in groove has elastic deformation ability, follows the fixed part card is gone into the direction of draw-in groove, the draw-in groove is the guide chamber, spacing chamber and the chamber that holds that communicate each other in proper order, the width in guide chamber is W1, the width in spacing chamber is W2, the width that holds the chamber is W3, the width of fixed part is W4, W1 is > W2, W2 is less than or equal to W3, W1 is greater than W4, W2 is less than or equal to W4. The shape structure of draw-in groove so sets up, not only makes things convenient for the card of fixed part to go into, is difficult for breaking away from the draw-in groove after the fixed part chucking moreover.

Preferably, W3 is ≧ W4. The side wall of the accommodating cavity is prevented from being in a deformation state for a long time, and the structural strength is prevented from being influenced.

Preferably, along a direction in which the fixing portion is clamped into the clamping groove, the side wall of the guide cavity gradually extends obliquely toward the center of the guide cavity. The lateral wall in guide chamber so sets up, can make the fixed part can conveniently get into the guide intracavity at first, and can guide the fixed part better and get into spacing chamber and hold the intracavity.

Preferably, the inner wall of the reflection cup is provided with a convex support ring, the lens is provided with an outer edge which protrudes outwards, and the outer edge is abutted against the support ring. The support ring can provide certain holding power to lens, avoids the effort between lens and the anti-light cup to pile up on fixed part and draw-in groove, consequently can improve the stability of structure.

On the other hand, the utility model discloses still provide a lamps and lanterns, including foretell optical assembly.

The utility model discloses optical assembly and use its lamps and lanterns have following beneficial effect at least: set up fixed part and draw-in groove on lens and anti-light cup respectively, realize lens and anti-light cup's connection through draw-in groove chucking fixed part fixed, anti-light cup's structure is comparatively simple, manufacturing cost is lower, and lens and anti-light cup assembly are comparatively simple, swift, and production efficiency is higher, the cracked condition of buckle can not appear yet.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an optical assembly according to the present invention;

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

fig. 3 is an exploded view of the optical assembly of the present invention;

FIG. 4 is a schematic structural diagram of a lens according to the present invention;

FIG. 5 is a schematic structural view of the reflection cup of the present invention;

fig. 6 is a partially enlarged view of a portion B in fig. 5.

In the drawings: 1-lens, 11-fixed part, 12-outer edge, 2-reflector cup, 21 clamping groove, 211-guide cavity, 212-limit cavity, 213-containing cavity, 22-deformation groove and 23-support ring.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 6, the optical assembly includes a lens 1 and a reflective cup 2, the lens 1 is provided with a fixing portion 11, the reflective cup 2 is provided with a slot 21, and the fixing portion 11 is clamped in the slot 21; the clamping groove 21 is formed in the upper end face of the reflection cup 2, and the opening of the clamping groove faces the lens 1.

The lens 1 is a hemispherical structure and is made of transparent materials; the reflecting cup 2 is of a horn-shaped structure, is hollow inside and is provided with openings at the upper end and the lower end. The lens 1 and the reflecting cup 2 are combined into an optical assembly which can be applied to a lamp, so that the optical effect is better. The lens 1 is provided with a fixing part 11, the reflector cup 2 is provided with a clamping groove 21, and the lens 1 and the fixing part 11 can be connected and fixed by clamping the fixing part 11 into the clamping groove 21. The existing lens 1 and the reflection cup 2 are generally provided with a buckle on the reflection cup 2, and then the buckle hooks the lens 1 to realize the connection of the lens 1 and the reflection cup 2. However, the reflector 2 having such a structure is troublesome to assemble the lens 1 and the reflector 2, and is also prone to cause excessive deformation and breakage of the clip. And this technical scheme sets up fixed part 11 and draw-in groove 21 on lens 1 and anti-light cup 2 respectively, and the connection through draw-in groove 21 chucking fixed part 11 realization lens 1 and anti-light cup 2 is fixed, and anti-light cup 2's structure is comparatively simple, manufacturing cost is lower, and lens 1 and anti-light cup 2 assembly is comparatively simple, swift, and production efficiency is higher, the cracked condition of buckle can not appear yet.

Further, as shown in fig. 1 to 3, the fixing portion 11 is a cylinder disposed on an outer wall of the lens 1 and extending outward, and the shape of the slot 21 is adapted to the cylinder. A clamping groove 21 extending downwards is formed in the upper end face of the reflecting cup 2, the opening of the clamping groove 21 is upward, and a cylinder (namely a fixing part 11) extending outwards is arranged on the outer wall of the lens 1; the lens 1 is arranged at the opening at the upper end of the reflecting cup 2 from top to bottom, so that the cylinder is clamped into the clamping groove 21 in the installation process. The fixing part 11 and the clamping groove 21 are arranged in the structure and the position, so that the lens 1 and the reflection cup 2 can be assembled conveniently, and the lens 1 can be installed only by pressing downwards. On the other hand, the lens 1 is embedded into the reflecting cup 2 from the opening at the upper end of the reflecting cup 2, so that the upper end surface of the lens 1 is flush with the upper end surface of the reflecting cup 2, the upper end surface of the optical assembly is flat and has no bulge after being assembled, and the lens is more convenient to apply to a lamp.

Further, as shown in fig. 3 and 4, the lens 1 is provided with two mutually symmetrical fixing portions 11 on a side wall thereof, and the reflector cup 2 is provided with two slots 21 corresponding to the fixing portions 11 one to one. The lens 1 and the reflective cup 2 are generally circular on the projection surface, two fixing parts 11 which are symmetrical relative to the center of the lens 1 are arranged on the side wall of the lens 1, two clamping grooves 21 are also formed in the reflective cup 2, and the fixing parts 11 correspond to the clamping grooves 21 one by one; when the lens 1 is mounted on the reflector cup 2, one fixing portion 11 is clamped into one clamping groove 21, and the other fixing portion 11 is clamped into the other clamping groove 21. Two symmetrical fixing parts 11 and two clamping grooves 21 are arranged, so that the structural stability of the optical assembly can be improved, the lens 1 and the reflecting cup 2 are not easy to fall off, and the stress is more uniform.

Further, as shown in fig. 3 and 6, a portion forming the card slot 21 has an elastic deformation capability, and the reflective cup 2 is provided with a shape-changing groove 22 on one side of the card slot 21, or the reflective cup 2 is provided with shape-changing grooves 22 on both sides of the card slot 21. The reflector cup 2 may be provided with the deformation groove 22 on the left side of the slot 21, or provided with the deformation groove 22 on the right side of the slot 21, or provided with the deformation grooves 22 on both the left and right sides of the slot 21. In order to make the engaging groove 21 firmly engage with the fixing portion 11, the width of the engaging groove 21 is generally set slightly smaller than or equal to the width of the fixing portion 11; in the process of clamping the fixing part 11 into the clamping groove 21, the side wall of the clamping groove 21 is extruded, so that the side wall generates certain deformation; after the engagement, the fixing portion 11 can be clamped by the resilient force of the side wall of the engaging groove 21. In order to make the side wall of the slot 21 have better elastic deformation and make the fixing portion 11 be better clamped in the slot 21, the reflective cup 2 is provided with deformation grooves 22 on one side or two sides of the slot 21.

Further, as shown in fig. 3 and 6, the opening direction of the deformation groove 22 is the same as that of the card slot 21, and the depth of the deformation groove 22 is the same as that of the card slot 21. The deformation groove 22 and the clamping groove 21 are both formed by extending the upper end surface of the reflection cup 2 downwards, so that the openings are upward; specifically, the deformation groove 22 and the depth are the same as the depth of the clamping groove 21, so that the deformation of the whole side wall of the clamping groove 21 can be ensured, and the whole process of clamping the fixing part 11 into the clamping groove 21 is smoother. Of course, in other embodiments, the depth of the deformation groove 22 may be smaller or larger than the depth of the slot 21, and these two ways can also ensure that the side wall of the slot 21 has a better elastic deformation space.

Further, as shown in fig. 4 and 6, a portion forming the card slot 21 has an elastic deformation capability, and is clamped into the card slot 21 along the fixing portion 11, the card slot 21 is sequentially provided with a guide cavity 211, a limit cavity 212 and an accommodating cavity 213 which are communicated with each other, the width of the guide cavity 211 is W1, the width of the limit cavity 212 is W2, the width of the accommodating cavity 213 is W3, the width of the fixing portion 11 is W4, W1 is greater than W2, W2 is less than or equal to W3, W1 is greater than W4, and W2 is less than or equal to W4.

As shown in fig. 6 (to better show the guiding cavity 211, the limiting cavity 212 and the accommodating cavity 213, the card slot 21 is divided by a dashed line in fig. 6), in this embodiment, the shape of the card slot 21 is irregular, and the card slot 21 is specifically formed by communicating the guiding cavity 211, the limiting cavity 212 and the accommodating cavity 213, where the guiding cavity 211 is used for guiding when the fixing portion 11 is initially clamped into the card slot 21, so as to facilitate the clamping of the fixing portion 11, the accommodating cavity 213 is used for accommodating the fixing portion 11 after the fixing portion 11 is clamped into the card slot 21, and the limiting cavity 212 is used for limiting the fixing portion 11 after the fixing portion 11 is clamped into the accommodating cavity 213, so as to prevent the fixing portion 11 from being separated from the accommodating cavity 213; therefore, the width W1 of the guide cavity 211 is greater than the width W2 of the limit cavity 212, and the width W3 of the containing cavity 213 is greater than or equal to the width W2 of the limit cavity 212 (more preferably, W3 is greater than W2); in addition, the width W1 of the guiding cavity 211 is larger than the width W4 of the fixing part 11, so as to ensure that the fixing part 11 can enter the guiding cavity 211 conveniently and quickly at the beginning; the width W2 of the limiting cavity 212 is less than or equal to the width W4 of the fixing portion 11, so that when the fixing portion 11 is located in the accommodating cavity 213, the side wall of the limiting cavity 212 can limit the fixing portion 11, and the fixing portion 11 is prevented from being easily separated from the accommodating cavity 213 to separate the lens 1 from the reflective cup 2. The shape and structure of the slot 21 are arranged so as to facilitate the clamping of the fixing portion 11, and the fixing portion 11 is not easy to separate from the slot 21 after being clamped.

Further, as shown in FIGS. 4 and 6, W3 ≧ W4. The width W3 of the accommodating cavity 213 is larger than or equal to the width W4 of the fixing part 11, so that the accommodating cavity 213 can better accommodate the fixing part 11; because the lateral wall of spacing chamber 212 can be to its limiting action of fixed part 11, consequently hold the width that chamber 213 can set up to be greater than the width of fixed part 11, when making fixed part 11 be located and hold chamber 213, do not extrude the lateral wall that holds chamber 213, avoid holding the lateral wall that chamber 213 is in deformation state for a long time, influences structural strength.

Further, as shown in fig. 6, in a direction in which the fixing portion 11 is inserted into the card slot 21, a side wall of the guide cavity 211 gradually extends obliquely toward a center of the guide cavity 211. The guiding cavity 211 has two opposite sidewalls, one or both of which may be configured as an inclined surface. In the direction in which the fixing portion 11 is inserted into the engaging groove 21, both side walls gradually move toward the center of the guiding cavity 211, so that the distance between the two side walls gradually decreases. The side wall of the guide cavity 211 is arranged so that the fixing portion 11 can conveniently enter the guide cavity 211 at the beginning, and the fixing portion 11 can be better guided to enter the limiting cavity 212 and the accommodating cavity 213.

Further, as shown in fig. 3, a protruding support ring 23 is disposed on an inner wall of the reflective cup 2, the lens 1 is provided with an outer edge 12 protruding outward, and the outer edge 12 abuts against the support ring 23. As mentioned above, the reflective cup 2 is hollow and has an opening at both ends, and the inner wall of the reflective cup is provided with the support ring 23 protruding from the inner wall, and the support ring 23 is located below the slot 21; the lens 1 is provided with an outer edge 12, and the fixing part 11 is arranged on the outer wall of the outer edge 12. When the lens 1 is mounted on the reflector cup 2, the fixing portion 11 is clamped in the clamping groove 21, and the lower end surface of the outer edge 12 abuts against the upper end surface of the support ring 23. The support ring 23 can provide a certain supporting force for the lens 1, and prevent the acting force between the lens 1 and the reflector cup 2 from being accumulated on the fixing portion 11 and the clamping groove 21, so that the structural stability can be improved.

The lamp comprises the optical assembly. The lamp further comprises a light source, a shell and other parts, the optical assembly is installed in front of the light source, and light emitted by the light source penetrates through the lens 1 and is refracted through the reflecting cup 2 and then is emitted outwards, so that a better optical effect is achieved. The lamp adopts the optical assembly, and has the beneficial effects of the optical assembly, which are not repeated herein.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. The optical assembly comprises a lens (1) and a reflective cup (2), and is characterized in that the lens (1) is provided with a fixing part (11), the reflective cup (2) is provided with a clamping groove (21), and the fixing part (11) is clamped in the clamping groove (21); the clamping groove (21) is formed in the upper end face of the reflection cup (2), and the opening faces the lens (1).

2. The optical assembly according to claim 1, wherein the fixing portion (11) is a cylinder disposed on an outer wall of the lens (1) and extending outward, and the shape of the slot (21) is adapted to the cylinder.

3. The optical assembly according to claim 1 or 2, wherein the lens (1) is provided with two mutually symmetrical fixing portions (11) on a side wall thereof, and the reflector cup (2) is provided with two slots (21) corresponding to the fixing portions (11) one by one.

4. The optical assembly according to claim 1, wherein the slot (21) is formed at a position having elastic deformation capability, and the reflective cup (2) is provided with a shape-changing groove (22) at one side of the slot (21), or the reflective cup (2) is provided with shape-changing grooves (22) at both sides of the slot (21).

5. The optical assembly according to claim 4, wherein the deformation groove (22) has the same opening direction as the card slot (21), and the depth of the deformation groove (22) is the same as the depth of the card slot (21).

6. The optical assembly according to claim 1, wherein the portion forming the card slot (21) has elastic deformation capability, and in a direction in which the fixing portion (11) is clamped into the card slot (21), the card slot (21) is sequentially a guide cavity (211), a limit cavity (212) and an accommodating cavity (213) which are communicated with each other, the width of the guide cavity (211) is W1, the width of the limit cavity (212) is W2, the width of the accommodating cavity (213) is W3, the width of the fixing portion (11) is W4, W1 > W2, W2 ≤ W3, W1 > W4, and W2 ≤ W4.

7. The optical assembly of claim 6, wherein W3 is greater than or equal to W4.

8. The optical assembly according to claim 6, characterized in that the side walls of the guiding cavity (211) gradually extend obliquely towards the center of the guiding cavity (211) in the direction in which the fixing portion (11) snaps into the card slot (21).

9. Optical assembly according to claim 1, characterized in that the inner wall of the reflector cup (2) is provided with a protruding support ring (23), and the lens (1) is provided with an outwardly protruding outer rim (12), the outer rim (12) resting on the support ring (23).

10. A luminaire comprising an optical assembly according to any one of claims 1 to 9.

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