Off-axis spotlight

By designing the articulated axis layout of the off-axis spotlight in the ceiling lamp, the problem of light loss when the main body of the lamp and the middle cover swings is solved, and more efficient light transmission is achieved.

CN223049938UActive Publication Date: 2025-07-01ZHONGSHAN HUI HENG LIGHTING LTDMPNAY
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Patent Information

Application Number
CN202422231928.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-07-01
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

When the lamp main body and the swing angle middle cover of the existing ceiling lantern swing, some light cannot enter the lamp cover, resulting in light loss.

Method used

An off-axis spotlight is designed, with the hinge shaft arranged on a chord of the cylindrical body part, the chord is located on the starting end of the cup slope, and the hinge plate is located on the chord of the swing member, which reduces light loss when swinging.

Benefits of technology

With this design, the loss of light can be minimized during swing and the efficiency of the spotlight can be improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

An off-axis spotlight comprises a face ring, a clip, an anti-dazzle cup, a swing part, a lens, a chip module and a radiator, the chip module is arranged in the radiator, the anti-dazzle cup is arranged in the face ring, the lower end of an anti-dazzle cup body is in rotating fit with a counter bore, and a sliding block is in sliding supporting fit with an annular supporting ring; the anti-dazzle cup body rotates relative to the surface ring; the lens is arranged in the lens cavity and is fixed by the positioning block; the hinge plate is inserted into the swing limiting cavity, and the hinge shaft is rotationally matched with the circular hinge plate; the radiator is fixed to the swing piece. The cup inclined surface and the lower inclined surface are opposite and have opposite lead angle directions; the seat inclined surface and the lower inclined surface have the same direction. The two hinge shafts are arranged on a chord of the cylinder part, the chord is located on the ascending starting end side of the cup slope, and the hinge plate is located on a chord of the swing part; light loss is reduced during swinging, and efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to a spot lamp. Background Art

[0002] In the current prior art, Chinese Patent No. 202221311119.7, a ceiling lamp with convenient disassembly and assembly, includes a face ring, a rotating ring, an arc-shaped handle, a magnetic attraction ring seat, a magnet, a lamp shade, a swing angle middle cover and a lamp body. The lower end of the lamp body is fixed to the upper end of the swing angle middle cover. The semi-circular stop seat of the rotating ring extends into the swing angle middle cover, and a screw passes through the hinge hole and is screwed with the hinge seat plate. The magnetic attraction ring seat is arranged in the inner sunken hole at the lower end of the circular ring seat body. The half shaft of the arc-shaped handle is rotatably matched with the half shaft hole. The hook is buckled and rotatably matched with the guiding hook groove. The axial positioning teeth are matched and positioned with the positioning tooth groove. The positioning tooth groove of the positioning plate is matched and positioned with the elastic positioning teeth. The magnet is arranged in the fixing hole. The lamp shade is inserted into the lamp shade cavity, and the annular stop plate is fitted with the sunken hole. The magnet is attracted to the magnetic attraction ring seat. The problem is that the two hinge holes are on a straight line of the swing middle cover. When the lamp body swings with the swing angle middle cover, part of the light cannot enter the lamp shade, resulting in light loss. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an off-axis spot lamp, which has the characteristics that the hinge shaft is arranged on a chord adjacent to the straight line, reducing light loss.

[0004] The utility model is realized as follows: an off-axis spot lamp, which is characterized in that it includes a face ring, a cartridge, an anti-glare cup, a swing member, a lens, a chip module and a radiator.

[0005] The face ring includes a cylindrical seat, an annular decorative plate, a sunken hole arranged at the lower end of the cylindrical seat and an annular support ring and a spring seat frame arranged inside the upper part.

[0006] The anti-glare cup includes an anti-glare cup body with upper and lower openings, a cup inclined surface arranged at the upper end of the anti-glare cup body, a cylindrical body part, two swing limit cavities, a hinge shaft and a sliding block arranged in the swing limit cavities. The hinge shaft is hollow and has an upper clearance hole and a lower clearance hole. The two hinge shafts are on a chord of the cylindrical body part, and the chord is located on the side of the starting end of the rising of the cup inclined surface.

[0007] The swing member includes an upper-opening circular seat body, a lens cavity, a positioning block, a light-emitting cavity and a hinge plate. The lower end of the hinge plate is provided with a circular shaft hole and a shaft introduction hole. The circular seat body is provided with a seat inclined surface.

[0008] The radiator is provided with a lower inclined surface.

[0009] The chip module is arranged inside the radiator, the anti-glare cup is arranged inside the face ring, the lower end of the anti-glare cup body is rotationally matched with the counterbore, and the sliding block and the annular support ring are in sliding support cooperation; the anti-glare cup body rotates relative to the face ring; the lens is arranged inside the lens cavity and the positioning block fixes the lens; the hinge plate is inserted into the swing limit cavity, and the hinge shaft is rotationally matched with the circular hinge plate; the radiator is fixed to the swing member; the cup inclined surface and the lower inclined surface face each other and the rising angle directions are opposite.

[0010] For a kind of off-axis spotlight, the special feature is that: an avoidance hole is arranged on the cylindrical body part of the anti-glare cup, an elastic plate is arranged inside the avoidance hole, and a positioning head is arranged on the elastic plate;

[0011] A positioning tooth groove is arranged inside the cylindrical seat at the lower part of the annular support cup;

[0012] The positioning head is in positioning cooperation with the positioning tooth groove.

[0013] For a kind of off-axis spotlight, the special feature is that: a conical frustum surface is arranged inside the cylindrical seat at the lower part of the annular support cup, and the positioning tooth groove is arranged on the conical frustum surface.

[0014] For a kind of off-axis spotlight, the special feature is that: a fixed column seat with a hollow lower opening and a ventilation hole located on the bottom plate are arranged on the circular seat body of the swing member, and a counterbore is arranged at the upper end of the fixed column seat;

[0015] The radiator is cylindrical and is provided with radial axial holes;

[0016] It further includes a plastic shell with a lower opening, the lower inclined surface is arranged at the lower end of the plastic shell, and connecting columns are arranged on the plastic shell;

[0017] The circuit board of the chip module is fixedly attached to the lower end of the radiator; the radiator is attached to the top plate of the plastic shell, the connecting columns pass through the axial holes and the connecting holes on the circuit board and are inserted into the counterbores, and screws fix the connecting columns and the support column seat.

[0018] For a kind of off-axis spotlight, the special feature is that: a light-shielding and reflecting sleeve is arranged on the anti-glare cup body of the anti-glare cup;

[0019] The light-emitting cavity extends into the light-shielding and reflecting sleeve.

[0020] For a kind of off-axis spotlight, the special feature is that: the light-shielding and reflecting sleeve includes arc-shaped parts at both ends and a square part in the middle.

[0021] For a kind of off-axis spotlight of the present utility model, two hinge shafts are on a chord of the cylindrical body part, the chord is on the side of the starting end of the rising of the cup inclined surface, and the hinge plate is on the chord of the swing member; during swinging, light loss is reduced and efficiency is improved. Brief Description of the Drawings

[0022] Figure 1It is a sectional view of the present utility model.

[0023] Figure 2 It is a half sectional view of the present utility model.

[0024] Figure 3 It is a three-dimensional sectional view of the anti-glare cup of the present utility model.

[0025] Figure 4 It is a three-dimensional sectional view of the swing member of the present utility model.

[0026] Figure 5 It is an exploded view of the plane of the present utility model.

[0027] Figure 6 It is one of the three-dimensional exploded views of the present utility model.

[0028] Figure 7 It is the second three-dimensional exploded view of the present utility model.

[0029] Figure 8 It is the third three-dimensional exploded view of the present utility model. Specific embodiments

[0030] The following details the embodiments of the present utility model. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0031] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] As Figure 1 shown, an off-axis spot light includes a face ring 1, a magazine 2, an anti-glare cup 3, a swing member 4, a lens 5, a chip module 6, and a radiator 7.

[0033] The face ring 1 includes a cylindrical seat 11, an annular decorative plate 12, a counterbore 13 provided at the lower end of the cylindrical seat 11, an annular support ring 14 inside the upper part, and two spring seat frames provided at the upper part of the cylindrical seat 11. The magazine 2 is provided on the spring seat frames;

[0034] The anti-glare cup 3 includes an anti-glare cup body 31 with openings at both the top and bottom, a cup inclined surface 32 provided at the upper end of the anti-glare cup body 31, a cylindrical body portion 33, two swing limiting cavities 34, a hinge shaft 35 and a sliding block 36 provided in the swing limiting cavities 34. The hinge shaft 35 is hollow and has an upper clearance hole and a lower clearance hole, and is elastic on a diameter line perpendicular to the horizontal plane. The two hinge shafts 35 are on a chord of the cylindrical body portion 33, and the chord is located on the starting side of the rise of the cup inclined surface 32.

[0035] As Figure 5 shown, the distance D1 between the chord where the hinge shaft 35 is located and the left side is less than the distance D2 between the chord and the right side. D3 is the distance from the diameter line to the right side, and D3 is less than D2 and greater than D1. The distance between the chord and the diameter line is 2 - 4 mm.

[0036] The swing member 4 includes a circular seat body 41 with an upper opening, a lens cavity 42, a positioning block 43 provided on the bottom plate of the lens cavity, a light-emitting cavity 44 and a hinge plate 45. The lower end of the hinge plate 45 is provided with a circular shaft hole 451 and a shaft inlet hole 452 with a lower opening. The circular seat body 41 is provided with a seat inclined surface 411. The two hinge plates 45 are on a chord of the circular seat body 41 and deviate from the diameter line.

[0037] The radiator 7 is provided with a lower inclined surface 71.

[0038] The chip module 6 is provided in the radiator 7, the anti-glare cup 3 is provided in the face ring 1, the lower end of the anti-glare cup body 31 is rotationally matched with the counterbore 13, and the sliding block 36 and the annular support ring 14 are slidingly supported and matched to hold the anti-glare cup on the face ring, and the anti-glare cup body 31 rotates relative to the face ring 1. The lens 5 is provided in the lens cavity 42 and the positioning block 43 is buckled with the annular edge plate 51 of the lens 5 to fix the lens 5. The hinge plate 45 is inserted into the swing limiting cavity 34, and the hinge shaft 35 is rotationally matched with the circular shaft hole 451. The radiator 7 is fixed to the swing member 4. The cup inclined surface 32 and the lower inclined surface 71 are opposite and the rising angle directions are opposite. The seat inclined surface 411 and the lower inclined surface 71 are in the same direction.

[0039] When the swing member 4 and the anti-glare cup 3 are assembled, the hinge bracket plate 45 is inserted into the swing limiting cavity 34, and the hinge shaft 35 enters the circular shaft hole 451 through the shaft inlet hole 452.

[0040] Since the hinge shaft 35 is on the chord of the cylindrical body portion 33, as Figure 2 , Figure 5 , Figure 6 shown, when the radiator 7 and the swing member 4 rotate counterclockwise, that is, rotate towards the cup inclined surface 32 side of the anti-glare cup body 31, it not only prevents the anti-glare cup body 31, but also makes all the light enter the anti-glare cup body 31. Compared with the prior art, the swing angle is large and the light loss is reduced.

[0041] As a further improvement of the present utility model: an avoidance hole 37 is provided on the cylindrical body portion 33 of the anti-glare cup 3, an elastic plate 371 is provided in the avoidance hole, and a positioning head 372 is provided on the elastic plate;

[0042] A positioning tooth groove 15 is provided in the cylindrical seat 11 at the lower part of the annular support cup 14;

[0043] The positioning head 372 is engaged with the positioning tooth groove 15 for positioning;

[0044] A conical frustum surface is provided in the cylindrical seat 11 at the lower part of the annular support cup 14, and the positioning tooth groove 15 is provided on the conical frustum surface. With such a structure, after the anti-glare cup 3 rotates, the positioning head 372 is engaged with the positioning tooth groove 15 for positioning to prevent accidental rotation.

[0045] As a further improvement of the present utility model: a fixed column seat 46 with a hollow lower opening and a ventilation hole located on the bottom plate are provided on the circular seat body 41 of the swing member 4; the upper end of the fixed column seat 46 is provided with a counterbore;

[0046] The radiator 7 is cylindrical and is provided with radially arranged axial holes 72;

[0047] It further includes a plastic shell 8 with a lower opening, the lower inclined surface 71 is provided at the lower end of the plastic shell 8, and the plastic shell 8 is provided with a connecting column 81;

[0048] The circuit board of the chip module 6 is fixedly attached to the lower end of the radiator 7; the radiator 7 is attached to the top plate of the plastic shell 8, the connecting column 81 passes through the axial hole 72 and the connecting hole on the circuit board and is inserted into the counterbore at the upper end of the fixed column seat 46, and the connecting column 81 and the fixed column seat 46 are fixed by screws.

[0049] As a further improvement of the present utility model: a light-shielding and reflecting sleeve 38 is provided on the anti-glare cup body 31 of the anti-glare cup 3, and the light-shielding and reflecting sleeve 38 surrounds the upper part of the anti-glare cup body;

[0050] The light-emitting cavity 44 extends into the light-shielding and reflecting sleeve 38.

[0051] As Figure 5 shown, the light-shielding and reflecting sleeve 38 includes arc-shaped portions at both ends and a square portion in the middle. With such a structure, when the swing member 4 swings, the light-shielding and reflecting sleeve can prevent interference with the light-emitting cavity of the swing member.

[0052] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. An off-axis spotlight, characterized in that: Including face ring, clip, anti-glare cup, swing part, lens, chip module and heat sink, The face ring includes a cylindrical seat, an annular decorative plate, a countersunk hole at the lower end of the cylindrical seat, an annular support ring in the upper part, and a spring seat frame. The anti-glare cup comprises an anti-glare cup body with upper and lower openings, a cup inclined surface arranged at the upper end of the anti-glare cup body, a cylindrical body, two swing limit cavities, a hinge shaft and a sliding block arranged in the swing limit cavity, the hinge shaft is hollow and has an upper avoidance hole and a lower avoidance hole; the two hinge shafts are on a chord of the cylindrical body, and the chord is located at the rising starting end side of the cup inclined surface; The swinging member comprises a circular seat body with an upper opening, a lens cavity, a positioning block, a light exit cavity and a hinge plate, a circular shaft hole and a shaft introduction hole are arranged at the lower end of the hinge plate, and a seat inclined surface is arranged on the circular seat body; The radiator is provided with a lower inclined surface; The chip module is arranged in the radiator, the anti-glare cup is arranged in the face ring, the lower end of the anti-glare cup body is rotatably matched with the countersunk hole, and the sliding block and the annular support ring are slidably supported; the anti-glare cup body rotates relative to the face ring; the lens is arranged in the lens cavity and the positioning block fixes the lens; the hinge plate is inserted into the swing limit cavity, and the hinge shaft is rotatably matched with the circular hinge plate; the radiator is fixed to the swing part; the cup inclined surface and the lower inclined surface are opposite and the rising angle direction is opposite; the seat inclined surface and the lower inclined surface are in the same direction.

2. The off-axis spotlight according to claim 1, characterized in that: The cylindrical body of the anti-glare cup is provided with an air-avoiding hole, an elastic plate is provided in the air-avoiding hole, and a positioning head is provided on the elastic plate; A positioning tooth groove is provided in the cylindrical seat at the lower part of the annular support ring; The positioning head cooperates with the positioning tooth groove for positioning.

3. The off-axis spotlight according to claim 2, characterized in that: A truncated cone-shaped surface is arranged in the cylindrical seat at the lower part of the annular support cup, and the positioning tooth groove is arranged on the truncated cone-shaped surface.

4. The off-axis spotlight according to claim 1, characterized in that: The circular seat body of the swinging member is provided with a fixed column seat with a hollow bottom opening and a ventilation hole located on the bottom plate, and a countersunk hole is provided at the upper end of the fixed column seat; The radiator is cylindrical and provided with radial axial holes; It also includes a plastic shell with a lower opening, wherein the lower inclined surface is arranged at the lower end of the plastic shell, and a connecting column is arranged on the plastic shell; The circuit board of the chip module is fitted and fixed to the lower end of the radiator; the radiator is fitted to the top plate of the plastic shell, the connecting column passes through the axial hole and the connecting hole on the circuit board and is inserted into the countersunk hole, and the screws fix the connecting column and the supporting column seat.

5. An off-axis spotlight according to claim 1, 2, 3 or 4, characterized in that: The anti-glare cup body of the anti-glare cup is provided with a light-shielding reflective sleeve; The light-emitting cavity extends into the light-shielding and reflective sleeve.

6. The off-axis spotlight according to claim 5, characterized in that: The light-shielding reflective sleeve comprises arc-shaped parts at two ends and a square part at the middle.

Citation Information

Patent Citations

  • Ceiling lamp convenient to disassemble and assemble

    CN217816418U