Down lamp

By introducing a spiral groove and a sliding fit between the protrusion and the downlight, the problem of fixed position of the downlight light source component is solved, the light emission angle of the light source component can be adjusted, and the flexibility of the light emission effect is improved.

CN223814626UActive Publication Date: 2026-01-20ZHONGSHAN GUANGYUAN SHIJIA ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520147318.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-01-20
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

Existing downlights suffer from poor light output due to the fixed position of the light source components caused by installation environment limitations, making it impossible to adjust the light emission angle.

Method used

A downlight structure was designed, including an outer cylinder, a connector, an inner cylinder, a light source component, a mounting plate, and a glass cover. By setting a spiral groove on the inner peripheral wall of the outer cylinder and slidingly engaging the protrusion of the connector, the rotation and lifting motion of the inner cylinder can be realized, allowing the light emission direction of the light source component to be adjusted.

Benefits of technology

It enables adjustment of the light emission angle of the light source component under limited installation environment, and can emit light in a 360-degree ring, improving the flexibility and adjustability of the light emission effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a down lamp, relates to down lamp technical field, the down lamp includes outer barrel, connecting piece, inner barrel, light source component, hanging plate, glass cover and reflection cup, outer barrel inner circumferential wall is provided with the spiral groove that extends along outer barrel circumferential direction, connecting piece outer circumferential wall is provided with protruding part, protruding part and spiral groove sliding fit, and the protruding part is provided with the spiral groove. The protruding part can move along the spiral groove so that the connecting piece can do rotary lifting motion relative to the outer barrel, the inner barrel is rotationally connected with the connecting piece, the rotating axis of the inner barrel is arranged in the horizontal direction, the light source component is installed in the inner barrel, and the hanging plate is installed at the top end of the outer barrel and used for being fixedly connected with a wall. The glass cover is installed at the bottom end of the inner barrel, the reflection cup is arranged in the inner barrel and located between the light source component and the glass cover, and the down lamp can adjust the light emitting angle even under the condition that the installation environment is limited.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of down lamp, especially down lamp. BACKGROUND

[0002] At present, the existing down lamp usually includes three components of face ring, light source component and reflector cup, and specifically can refer to the description and the attached drawings of the specification of the utility model patent with the publication number CN221944158U Figure 1 , contains face ring 12, light source component 7 and reflector cup 8, due to the limitation of installation environment, must adopt hanging plate 1 and ceiling or wall fixed connection, therefore, when down lamp installation is completed, down lamp is inoperable, the position of light source component 7 is fixed, lead to unable to realize the adjustment of the light-emitting angle of light source component 7, and the light-emitting effect is poor. UTILITY MODEL CONTENTS

[0003] The utility model aims at at least one of the technical problems existing in the prior art is solved.For this purpose, the utility model provides a down lamp, which can adjust the light-emitting angle under the condition that the installation environment is limited.

[0004] The down lamp according to the first aspect embodiment of the utility model comprises:

[0005] The outer cylinder body is provided with a spiral groove extending along the circumference of the outer cylinder body on the inner circumferential wall thereof;

[0006] The connecting piece is provided with a protruding portion on the outer circumferential wall thereof, the protruding portion is in sliding cooperation with the spiral groove, and the protruding portion can move along the spiral groove to enable the connecting piece to make rotary lifting movement relative to the outer cylinder body;

[0007] The inner cylinder body is rotationally connected with the connecting piece, and the rotation axis of the inner cylinder body is arranged along the horizontal direction;

[0008] The light source component is installed in the inner cylinder body;

[0009] The hanging plate is installed at the top end of the outer cylinder body, and the hanging plate is used for fixed connection with the wall;

[0010] The glass cover is installed at the bottom end of the inner cylinder body;

[0011] The reflector cup is arranged in the inner cylinder body and located between the light source component and the glass cover.

[0012] The cylinder lamp has the following beneficial effects: the inner cylinder can be rotated during use, the protruding part slides along the spiral groove during rotation of the inner cylinder, the inner cylinder can be extended outside the outer cylinder or retracted inside the outer cylinder, the inner cylinder can be swung when it is extended outside the outer cylinder, the inner cylinder is rotated relative to the connecting piece, the light direction of the light source part in the inner cylinder can be adjusted, the inner cylinder can emit light obliquely, and the protruding part can slide along the spiral groove, the inner cylinder can emit light around 360 degrees, and the light direction can be adjusted more conveniently.

[0013] In some embodiments, an inner peripheral wall of the outer cylinder is provided with a vertical groove extending in the up-down direction, an upper end of the vertical groove is communicated with a lower end of the spiral groove, and the spiral groove is used for guiding the protruding part to enter into the spiral groove from bottom to top.

[0014] In some embodiments, the protruding part is configured as a spherical structure.

[0015] In some embodiments, a bottom end of the connecting piece is provided with a hinged part, the hinged part is provided with a rotating shaft, a top end of the inner cylinder is provided with an avoiding notch, the hinged part extends into the avoiding notch, the inner cylinder is hinged with the hinged part, the connecting piece has an extended position and a retracted position, in the extended position, the hinged part is located outside the outer cylinder, and in the retracted position, the hinged part is located inside the outer cylinder.

[0016] In some embodiments, the hinged part is located at an edge position of a lower end surface of the connecting piece, a middle part of the lower end surface of the connecting piece is provided with a wire passing hole for the electric wire of the light source part to pass through.

[0017] In some embodiments, the avoiding notch is provided with a hinged baffle, the hinged baffle is provided with a straight groove and a circular groove which are communicated with each other, the straight groove is located above the circular groove, the rotating shaft is rotationally matched with the circular groove, the width of the straight groove is smaller than the inner diameter of the circular groove, the hinged baffle can be locally deformed to enable the rotating shaft to pass through the straight groove and enter the circular groove, and the straight groove is used for limiting the rotating shaft from separating from the circular groove.

[0018] In some embodiments, the hinged baffle and the inner cylinder are an integral piece.

[0019] In some embodiments, a platform is arranged in the inner cylinder, the platform is connected with the inner peripheral wall of the inner cylinder, the light source part is fixedly connected to a bottom end of the platform, the platform is an aluminum alloy piece, and the platform is provided with a heat dissipation fin at an upper end thereof.

[0020] In some embodiments, in the up-down direction, the sum of the length of the connecting piece and the length of the inner cylinder is smaller than the length of the outer cylinder.

[0021] Additional aspects and advantages of the present application will be partially given in the following description, partially will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] The present application will be further described below in conjunction with the drawings and embodiments, wherein:

[0023] Figure 1 Structure diagram of the down lamp of some embodiments of the present application;

[0024] Figure 2 Sectional view of the down lamp of some embodiments of the present application;

[0025] Figure 3 Exploded view of the down lamp of some embodiments of the present application;

[0026] Figure 4 Structure diagram of the down lamp of some embodiments of the present application;

[0027] Figure 5 Sectional view of the outer cylinder of the down lamp of some embodiments of the present application;

[0028] Figure 6 Structure diagram of the inner cylinder of the down lamp of some embodiments of the present application;

[0029] Figure 7 is Figure 6 Enlarged view of A in FIG. 8;

[0030] Figure 8 Structure diagram of the connecting piece of the down lamp of some embodiments of the present application.

[0031] Reference signs:

[0032] Down lamp 1000;

[0033] Outer cylinder 100, helical groove 110, vertical groove 120;

[0034] Connecting piece 200, protruding part 210, hinged part 220, hinged hole 221, round corner 222, first threading hole 230;

[0035] Inner cylinder 300, avoiding gap 310, hinged baffle 320, straight groove 330, round groove 340, platform 350, heat sink 360, second threading hole 370;

[0036] Light source part 400;

[0037] Hanging plate 500;

[0038] Glass cover 600;

[0039] The light-reflecting cup 700. DETAILED DESCRIPTION

[0040] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used merely for the purpose of explanation of the present application, and are not to be understood as a limitation thereof.

[0041] Referring to Figures 1 to 3 As shown in the figure, a down lamp 1000 provided by the embodiment of the present application comprises an outer cylinder 100, a connecting piece 200, an inner cylinder 300, a light source component 400, a hanging plate 500, a glass cover 600 and a light-reflecting cup 700.

[0042] Referring to Figure 2 and Figure 5 As shown in the figure, an inner circumferential wall of the outer cylinder 100 is provided with a helical groove 110 extending along the circumference of the outer cylinder 100.

[0043] Referring to Figure 2 and Figure 8 As shown in the figure, the connecting piece 200 is located in the outer cylinder 100, and the gap between the connecting piece 200 and the outer cylinder 100 is small. An outer circumferential wall of the connecting piece 200 is provided with a protruding part 210, the protruding part 210 is in sliding cooperation with the helical groove 110, the protruding part 210 can move along the helical groove 110, so that the connecting piece 200 can make a rotary lifting movement relative to the outer cylinder 100, and the cooperation between the protruding part 210 and the helical groove 110 can also provide a supporting force, the protruding part 210 can bear the gravity of the connecting piece 200, so as to avoid the connecting piece 200 from falling down.

[0044] Referring to Figure 4 As shown in the figure, the inner cylinder 300 is rotationally connected with the connecting piece 200, and the rotation axis of the inner cylinder 300 is arranged along the horizontal direction.

[0045] Referring to Figure 2 and Figure 3 As shown in the figure, the light source component 400 is installed in the inner cylinder 300. The hanging plate 500 is installed at the top end of the outer cylinder 100, and is used for fixed connection with the wall body. The glass cover 600 is installed at the bottom end of the inner cylinder 300. The light-reflecting cup 700 is arranged in the inner cylinder 300 and located between the light source component 400 and the glass cover 600.

[0046] Referring to Figure 1As shown, when the connecting piece 200 is in the retracted position, the connecting piece 200 is located in the outer cylinder 100, at this time, the light source component 400 emits light vertically downward. In use, the inner cylinder 300 can be rotated, due to the sliding fit of the protruding part 210 and the spiral groove 110, during the rotation of the inner cylinder 300, the protruding part 210 can be driven to slide along the spiral groove 110, so that the inner cylinder 300 can be extended outside the outer cylinder 100 or retracted inside the outer cylinder 100, when the inner cylinder 300 is extended outside the outer cylinder 100, the connecting piece 200 is in the extended position, the inner cylinder 300 can be swung to rotate relative to the connecting piece 200, so that the light emitting direction of the light source component 400 in the inner cylinder 300 can be adjusted, for reference Figure 4 As shown, the inner cylinder 300 can emit light obliquely, and due to the sliding of the protruding part 210 along the spiral groove 110, the inner cylinder 300 can be rotated 360 degrees around, which can more conveniently adjust the light emitting direction.

[0047] It should be noted that the sliding fit of the protruding part 210 and the spiral groove 110 has a certain damping, which can keep the protruding part 210 in the current position, so as to fix the light emitting direction of the inner cylinder 300, without rotating the inner cylinder 300, the protruding part 210 will not slide along the spiral groove 110 due to the gravity of the inner cylinder 300.

[0048] In some embodiments, the inner peripheral wall of the outer cylinder 100 is provided with a vertical groove 120 extending in the up-down direction, the upper end of the vertical groove 120 is communicated with the lower end of the spiral groove 110, and the spiral groove 110 is used to guide the protruding part 210 to enter the spiral groove 110 from bottom to top, so that the connecting piece 200 can be conveniently installed from bottom to top.

[0049] In some embodiments, the protruding part 210 is configured in a spherical structure, and the cross section of the spiral groove 110 is semicircular.

[0050] For reference Figure 6 and Figure 8 As shown, in some embodiments, the bottom end of the connecting piece 200 is provided with a hinged part 220, the hinged part 220 is provided with a rotating shaft (not shown in the figure), the hinged part 220 is provided with a hinged hole 221, the rotating shaft penetrates into the hinged hole 221, the top end of the inner cylinder 300 is provided with an avoiding notch 310, the hinged part 220 extends into the avoiding notch 310, and the inner cylinder 300 is hinged with the hinged part 220. For reference Figure 4 As shown, when the connecting piece 200 is in the extended position, the hinged part 220 is located outside the outer cylinder 100, at this time, the inner cylinder 300 can be rotated around the hinged part 220. For reference Figure 2 As shown, when the connecting piece 200 is in the retracted position, the hinged part 220 is located in the outer cylinder 100, at this time, the outer cylinder 100 is limited by the inner cylinder 300 and cannot be rotated around the hinged part 220, which plays a limiting effect.

[0051] Referring to Figure 3 As shown in the drawings, in some embodiments, the hinge 220 is located at the edge of the lower end surface of the connecting piece 200, and a first wire hole 230 is arranged in the middle of the lower end surface of the connecting piece 200 for the electric wire of the light source component 400 to pass through.

[0052] Referring to Figure 6 and Figure 7 As shown in the drawings, in some embodiments, the avoiding gap 310 is provided with a hinge baffle 320, the hinge baffle 320 is provided with a straight slot 330 and a circular slot 340 which are communicated with each other, the straight slot 330 is located above the circular slot 340, the shaft is rotationally matched with the circular slot 340, the width of the straight slot 330 is smaller than the inner diameter of the circular slot 340, the hinge baffle 320 can be locally deformed so that the shaft can be clamped into the circular slot 340 through the straight slot 330, and the shaft can be sequentially clamped into the straight slot 330 and the circular slot 340 by pressing downward during installation, so that the assembly operation can be facilitated, the straight slot 330 is used for limiting the shaft from being separated from the circular slot 340, and the stability of the connection between the shaft and the circular slot 340 is ensured. In some embodiments, the hinge baffle 320 and the inner cylinder body 300 are an integral piece, which facilitates manufacturing.

[0053] Referring to Figure 2 As shown in the drawings, in some embodiments, the inner cylinder body 300 is provided with a platform 350, the platform 350 is a horizontal baffle structure, the platform 350 is connected with the inner wall of the inner cylinder body 300, the light source component 400 is fixedly connected to the bottom end of the platform 350, the platform 350 is an aluminum alloy piece, the upper end of the platform 350 is provided with a cooling fin 360, the platform 350 can conduct the heat generated by the light source component 400 to the cooling fin 360, so as to achieve the heat dissipation effect, and the platform 350 is also provided with a second wire hole 370 for the electric wire of the light source component 400 to pass through.

[0054] In some embodiments, in the up-down direction, the sum of the length of the connecting piece and the length of the inner cylinder body is smaller than the length of the outer cylinder body, so that the outer cylinder body can accommodate the connecting piece and the inner cylinder body.

[0055] In the description of the present application, it should be understood that, in relation to the position description, for example, the position or location relationship indicated by the upper, lower, front, rear, left, right and the like is based on the position or location relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation on the present application.

[0056] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number. If there is a description to the first, the second is only used for distinguishing the technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0057] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood broadly, and the specific meaning of the above words in the utility model can be reasonably determined by the person skilled in the art in the technical field in combination with the specific content of the technical scheme.

[0058] The utility model is not limited to the above embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A downlight, characterized in that, include: The outer cylinder has a spiral groove extending circumferentially along its inner peripheral wall. The connector has a protrusion on its outer peripheral wall. The protrusion slides in conjunction with the spiral groove and can move along the spiral groove so that the connector can rotate and lift relative to the outer cylinder. The inner cylinder is rotatably connected to the connecting member, and the rotation axis of the inner cylinder is set in the horizontal direction. The light source component is installed inside the inner cylinder. A mounting plate is installed at the top of the outer cylinder and is used for fixed connection with the wall. A glass cover is installed at the bottom end of the inner cylinder; A reflector is disposed within the inner cylinder and located between the light source component and the glass cover.

2. The downlight according to claim 1, characterized in that, The inner circumferential wall of the outer cylinder is provided with a vertical groove extending in the vertical direction. The upper end of the vertical groove is connected to the lower end of the spiral groove. The spiral groove is used to guide the protrusion into the spiral groove from bottom to top.

3. The downlight according to claim 1, characterized in that, The protrusion is constructed as a spherical structure.

4. The downlight according to claim 1, characterized in that, The bottom end of the connector is provided with a hinge portion, the hinge portion is provided with a pivot, the top end of the inner cylinder is provided with a clearance notch, the hinge portion extends into the clearance notch, the inner cylinder is hinged to the hinge portion, the connector has an extended position and a retracted position, in the extended position the hinge portion is located outside the outer cylinder, in the retracted position the hinge portion is located inside the outer cylinder.

5. The downlight according to claim 4, characterized in that, The hinge is located at the edge of the lower end face of the connector, and the lower end face of the connector has a through hole for the wires of the light source component to pass through.

6. The downlight according to claim 4, characterized in that, A hinged baffle is provided at the clearance notch. The hinged baffle has a straight groove and a circular groove that are interconnected. The straight groove is located above the circular groove. The rotating shaft is rotatably engaged with the circular groove. The width of the straight groove is smaller than the inner diameter of the circular groove. The hinged baffle can produce local deformation so that the rotating shaft passes through the straight groove and enters the circular groove. The straight groove is used to prevent the rotating shaft from leaving the circular groove.

7. The downlight according to claim 6, characterized in that, The hinged baffle and the inner cylinder are an integral part.

8. The downlight according to claim 1, characterized in that, The inner cylinder is equipped with a platform, which is connected to the inner circumferential wall of the inner cylinder. The light source component is fixedly connected to the bottom end of the platform. The platform is made of aluminum alloy, and a heat sink is provided at the top end of the platform.

9. The downlight according to claim 1, characterized in that, Along the vertical direction, the sum of the length of the connector and the length of the inner cylinder is less than the length of the outer cylinder.

Citation Information

Patent Citations

  • Waterproof surface-mounted down lamp

    CN221944158U