Embedded down lamp with replaceable lens

Abstract

The utility model relates to an embedded down lamp with a replaceable lens, which comprises a tube body, a lamp panel and a surface cover, the surface cover is provided with a light-emitting through hole, a lamp bead of the lamp panel is arranged in the light-emitting through hole, the light-emitting through hole is detachably provided with a lens assembly through a fixing device, and the lens assembly is arranged in the light-emitting through hole. The fixing device comprises a driving piece and a plurality of locking plates; the fixing device is arranged in the light-emitting through hole, the lens assembly can be detachably installed through the fixing device, when the lens assembly is replaced, all the locking plates can be directly driven by the driving piece to move outwards, and therefore the lens assembly can be directly detached from the light-emitting through hole and replaced with the needed lens assembly, and the lens assembly can be conveniently replaced. And then all the locking plates are directly driven by the driving piece to move inwards, and the lens assembly is pressed through the locking plates, so that the lens assembly with lenses at different angles can be quickly replaced, the purpose of changing the beam angle is achieved, and the lamp can be widely applied.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lamp technical field, especially a replaceable lens embedded down lamp. BACKGROUND

[0002] In the museum, art gallery, exhibition hall, shopping mall (such as clothes, shoes and hats, handicrafts, etc.) and other places, these places usually change some exhibits or articles frequently, due to the size of the exhibits or articles may not be the same, the required light beam angle of the lamp naturally needs to change, however, the angle of the lamp on the market is basically fixed by screwing or buckling structure to fix the lens on the lamp, if this way is adopted, when changing the light beam angle of the lamp display according to the light demand of different exhibits, only the lamp with suitable light beam angle can be purchased, the original angle lamp cannot be used, which causes waste and increases cost. SUMMARY

[0003] The utility model aims at at least one of the problems existing in the prior art, and provides a replaceable lens embedded down lamp.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A replaceable lens embedded down lamp, comprising a cylinder, a lamp plate arranged in the cylinder and a cover arranged on the open end of the cylinder, wherein the cover is provided with a light outlet through hole, the lamp beads of the lamp plate are arranged in the light outlet through hole, and a lens assembly is detachably installed on the light outlet through hole through a fixing device, the fixing device comprises a driving member and a plurality of locking plates, the plurality of locking plates are arranged on the inner wall of the light outlet through hole in an evenly distributed and telescopic manner, the driving member can simultaneously drive all the locking plates to move towards the center of the light outlet through hole, so as to press the lens assembly through the locking plates, or the driving member can simultaneously drive all the locking plates to move out of the light outlet through hole, so as to separate the locking plates from the lens assembly.

[0006] In some embodiments, the lens assembly comprises a convex mirror body and a pressing ring arranged on the outer wall of the convex mirror body, and the locking plates are pressed on the pressing ring.

[0007] In some embodiments, a limiting flange is arranged on the inner wall of the light outlet through hole, and the pressing ring is placed on the limiting flange.

[0008] In some embodiments, a plurality of linear sliding grooves corresponding to the number of locking plates are uniformly distributed on the inner wall of the light-emitting through hole in the circumferential direction, the sliding direction of the linear sliding grooves is on the radial line of the light-emitting through hole, a plurality of locking plates correspondingly slide in the linear sliding grooves, the driving member comprises a circular ring rotating in the cover, the circular ring is coaxially arranged with the light-emitting through hole, a guide column is arranged at the inner end of the locking plate, a plurality of inclined guide grooves corresponding to the number of locking plates are arranged on the circular ring, the guide column is correspondingly arranged in the inclined guide groove, an arc-shaped sliding groove is arranged on the end surface of the cover, a dial block is arranged on the rotating flange, and the dial block is movably arranged in the arc-shaped sliding groove.

[0009] In some embodiments, a circular recess ring coaxially arranged with the light-emitting through hole is arranged on the inner side of the cover, a rotating flange is arranged on the circular ring, and the rotating flange is rotatably arranged in the circular recess ring.

[0010] In some embodiments, a limiting buckle is arranged at the outer end of the dial block, and the limiting buckle is buckled on the outer end surface of the cover after penetrating the arc-shaped sliding groove from inside to outside.

[0011] In some embodiments, the dial block and the arc-shaped sliding groove are symmetrically provided with two groups.

[0012] In some embodiments, a supporting seat for supporting the lamp plate is arranged on the inner side of the cover, and the circular ring is arranged between the lamp plate and the cover.

[0013] Compared with the prior art, the beneficial effects of the utility model are that the fixed device is arranged on the light-emitting through hole, the lens assembly can be detachably installed through the fixed device, when the lens assembly is replaced, all the locking plates can be directly driven to move outward by the driving member, so that the lens assembly can be directly detached from the light-emitting through hole, the required lens assembly is replaced, then all the locking plates are directly driven to move inward by the driving member, and the lens assembly is pressed tightly by the locking plates, so that the lens assembly with different angle lenses can be quickly replaced, the purpose of changing the beam angle is achieved, and the lamp of the utility model achieves more extensive application. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the utility model;

[0015] Figure 2 It is a sectional view of the utility model;

[0016] Figure 3 It is an enlarged view of A of the utility model Figure 2 ;

[0017] Figure 4A partial exploded schematic view of the utility model;

[0018] Figure 5 A schematic view of the utility model when the driving member is installed on the face cover;

[0019] Figure 6 A partial structure schematic view of the driving member of the utility model. DETAILED DESCRIPTION

[0020] The following detailed implementation provides a plurality of different embodiments or examples for implementing the utility model. Of course, these are only examples and are not intended to be limiting. In addition, repeated reference numbers may be used in different embodiments, such as repeated numbers and / or letters. These repetitions are for the purpose of simply and clearly describing the utility model, and do not represent a specific relationship between the different embodiments and / or structures being discussed.

[0021] As Figures 1-6 shown in a kind of interchangeable lens embedded down lamp, including cylinder 1, lamp panel 3 being arranged in cylinder 1 and the face cover 2 being closed in the open end of cylinder 1, the face cover 2 is provided with light outlet through-hole 4, the lamp pearl 5 of the lamp panel 3 is arranged in the light outlet through-hole 4, lens assembly is detachably installed on the light outlet through-hole 4 by fixing device, the fixing device includes driving member and several locking plates 7, several locking plates 7 are arranged in the inner wall of the light outlet through-hole 4, the driving member can simultaneously drive all locking plates 7 to move towards the center direction of light outlet through-hole 4, so as to compress the lens assembly by locking plate 7, or the driving member can simultaneously drive all locking plates 7 to move towards the outside of light outlet through-hole 4, so as to let locking plate 7 and lens assembly be separated.

[0022] According to the above structure, the fixing device is provided in the light outlet through-hole 4, and the lens assembly can be detachably installed by the fixing device. When the lens assembly is replaced, the driving member can be directly driven to drive all locking plates 7 to move outward, so that the lens assembly can be directly removed from the light outlet through-hole 4. The required lens assembly is replaced, and then the driving member is directly driven to drive all locking plates 7 to move inward. The lens assembly is compressed by locking plate 7, so that the lens assembly with different angle lenses can be quickly replaced, so as to change the beam angle, so that the lamp of the utility model can be more widely used.

[0023] Further, the lens assembly includes a convex mirror body 21 and a compression ring 22 arranged on the outer wall of the convex mirror body 21, and the locking plate 7 is compressed on the compression ring 22.

[0024] A limiting flange 31 is arranged on the inner wall of the light outlet through-hole 4, the compression ring 22 is placed on the limiting flange 31, and then the locking plate 7 is compressed on the compression ring 22, so that the lens assembly is firmly fixed.

[0025] Referring to Figures 2-6 As shown in the light-emitting through hole 4, the inner wall of the light-emitting through hole 4 is uniformly distributed with a plurality of linear sliding grooves 41 corresponding to the number of locking plates 7, the sliding direction of the linear sliding grooves 41 is on the radial line of the light-emitting through hole 4, a plurality of locking plates 7 correspondingly slide in the linear sliding grooves 41, the driving member includes a circular ring 42 rotatingly arranged in the face cover 2, the circular ring 42 is coaxially arranged with the light-emitting through hole 4, a guide column 43 is arranged at the inner end of the locking plate 7, a plurality of inclined guide grooves 44 corresponding to the number of locking plates 7 are arranged on the circular ring 42, the guide column 43 is correspondingly arranged in the inclined guide groove 44, an arc-shaped sliding groove 45 is arranged on the end face of the face cover 2, a dial block 46 is arranged on the circular ring 42, and the dial block 46 is movably arranged in the arc-shaped sliding groove 45.

[0026] The working principle of replacing the lens assembly is as follows:

[0027] By dialing the dial block 46 at the outer end of the face cover 2, the circular ring 42 is rotated, the inclined guide groove 44 on the circular ring 42 cooperates with the guide column 43 on the locking plate 7, the locking plate 7 moves outward along the linear sliding groove 41, at this time the locking plate 7 is separated from the compression ring 22, the lens assembly can be taken out from the light-emitting through hole 4, so that the required lens assembly can be replaced, the compression ring 22 of the replaced lens assembly is placed in the light-emitting through hole 4, and then the dial block 46 is driven to move in the opposite direction, the circular ring 42 is rotated in the opposite direction, so that the locking plate 7 moves inward along the linear sliding groove 41, and then the compression ring 22 is compressed tightly, realizing the quick replacement of the lens assembly.

[0028] Further, a circular recessed ring 51 coaxially arranged with the light-emitting through hole 4 is arranged on the inner side of the face cover 2, a rotating flange 52 is arranged on the circular ring 42, the rotating flange 52 is rotatably arranged in the circular recessed ring 51, and the dial block 46 is arranged on the rotating flange 52, so as to improve the stability of the rotation of the circular ring 42.

[0029] Further, a limiting buckle 61 is arranged at the outer end of the dial block 46, the limiting buckle 61 passes through the arc-shaped sliding groove 45 from inside to outside and is buckled on the outer end face of the face cover 2, and the dial block 46 and the arc-shaped sliding groove 45 are symmetrically provided with two groups; when the circular ring 42 is installed, the limiting buckle 61 on the dial block 46 passes through the arc-shaped sliding groove 45, and then is buckled on the outer end face of the face cover 2, so as to fix the circular ring 42, of course, the limiting buckle 61 is not buckled tightly, at this time the circular ring 42 can only rotate and cannot move axially; further, when the circular ring 42 needs to be driven to rotate, the limiting buckle 61 and the dial block 46 on the outer side of the face cover 2 can be directly used to drive the rotation.

[0030] The utility model discloses a support seat 71 for supporting the lamp plate 3 is arranged in the face cover 2 inboard, the circular ring 42 is located between the lamp plate 3 and face cover 2, and the lamp plate 3 can be fixed through buckle or screw after being supported through the support seat 71.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described in combination with the drawings, and the skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A replaceable lens embedded down lamp, comprising a cylinder (1), a lamp plate (3) arranged in the cylinder (1), and a surface cover (2) covering the open end of the cylinder (1), wherein the surface cover (2) is provided with a light outlet through hole (4), and the lamp bead (5) of the lamp plate (3) is arranged in the light outlet through hole (4), characterized in that: A lens assembly is detachably mounted on the light-emitting through hole (4) through a fixing device, the fixing device comprises a driving member and a plurality of locking plates (7), the plurality of locking plates (7) are arranged on the inner wall of the light-emitting through hole (4) in an extending manner, the driving member can simultaneously drive all the locking plates (7) to move towards the center of the light-emitting through hole (4), so as to press the lens assembly through the locking plates (7), or the driving member can simultaneously drive all the locking plates (7) to move away from the light-emitting through hole (4), so as to separate the locking plates (7) from the lens assembly. ​ 2. A changeable-lens recessed downlight according to claim 1, wherein: The lens assembly comprises a convex mirror body (21) and a pressing ring (22) arranged on the outer wall of the convex mirror body (21), and the locking plates (7) are pressed on the pressing ring (22).

3. A changeable-lens recessed downlight according to claim 2, wherein: A limiting flange (31) is arranged on the inner wall of the light-emitting through hole (4), and the pressing ring (22) is placed on the limiting flange (31).

4. The interchangeable-lens embedded downlight according to claim 2, characterized in that: A plurality of linear sliding grooves (41) corresponding in number to the locking plates (7) are arranged on the inner wall of the light-emitting through hole (4) in a circumferential manner, the sliding direction of the linear sliding grooves (41) is on the radial line of the light-emitting through hole (4), a plurality of the locking plates (7) correspondingly slide in the linear sliding grooves (41), the driving member comprises a circular ring (42) rotatably arranged in the face cover (2), the circular ring (42) is coaxially arranged with the light-emitting through hole (4), a guide column (43) is arranged at the inner end of the locking plate (7), a plurality of inclined guide grooves (44) corresponding in number to the locking plates (7) are arranged on the circular ring (42), the guide column (43) is correspondingly arranged in the inclined guide groove (44), an arc-shaped sliding groove (45) is arranged on the end face of the face cover (2), a poking block (46) is arranged on the circular ring (42) and movably arranged in the arc-shaped sliding groove (45).

5. A changeable-lens recessed downlight according to claim 4, wherein: A circular recessed ring (51) coaxially arranged with the light-emitting through hole (4) is arranged on the inner side of the face cover (2), a rotating flange (52) is arranged on the circular ring (42) and rotatably arranged in the circular recessed ring (51), and the poking block (46) is arranged on the rotating flange (52).

6. A changeable-lens recessed downlight according to claim 5, wherein: A limiting buckle (61) is arranged at the outer end of the poking block (46), the limiting buckle (61) passes through the arc-shaped sliding groove (45) from inside to outside and is buckled on the outer end face of the face cover (2).

7. A changeable-lens recessed downlight according to claim 6, wherein: The poking block (46) and the arc-shaped sliding groove (45) are symmetrically provided with two groups.

8. The interchangeable-lens, recessed downlight of claim 4, wherein: A supporting seat (71) for supporting the lamp panel (3) is arranged on the inner side of the face cover (2), and the circular ring (42) is arranged between the lamp panel (3) and the face cover (2).

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