CN216952927U

CN216952927U - Down lamp

Info

Publication number: CN216952927U
Application number: CN202123431264.7U
Authority: CN
Inventors: 余学力; 谢宏群; 王日峰; 叶烈武; 马熙
Original assignee: Xiamen Yiyuanyuan Technology Co ltd
Current assignee: Xiamen Yiyuanyuan Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-12
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of illumination, and discloses a down lamp which comprises a light source assembly, an inner spherical shell, an outer spherical shell and a screw rod. The light source assembly is arranged in the inner spherical shell, a first connecting hole is formed in the inner spherical shell, and a second connecting hole matched with the first connecting hole is formed in the outer spherical shell. The inner spherical shell is located on the inner wall and the outer wall of the first connecting hole position and is provided with a first thickening plane and a second thickening plane respectively, the outer spherical shell is located on the inner wall and the outer wall of the second connecting hole position and is provided with a third thickening plane and a fourth thickening plane respectively, one end of the screw rod is clamped on the first thickening plane, and the other end of the screw rod penetrates through the first connecting hole in sequence and the second connecting hole is used for rotatably arranging the inner spherical shell on the outer spherical shell through the locking nut. The second thickening plane is attached to the third thickening plane, and the fourth thickening plane is attached to the locking nut. The matching surface is changed from arc tangency to plane contact, and the concentricity of the connecting holes of the inner spherical shell and the outer spherical shell and the planeness of the end surfaces are improved.

Description

Down lamp

Technical Field

The utility model relates to the technical field of illumination, in particular to a down lamp.

Background

At present, the down lamp of shaking head on the market passes through screw pole and nut with interior spherical shell of lamp body and outer spherical shell swing joint for interior spherical shell can rotate down lamp shell relatively. At the joint, the arc passing through the outer wall of the inner spherical shell is tangent to the arc passing through the inner wall of the outer spherical shell. Due to manufacturing errors, the complete coincidence of the joints of the inner spherical shell and the outer spherical shell is difficult to ensure, the concentricity deviation of the inner spherical shell and the outer spherical shell is caused, the friction force between the inner spherical shell and the outer spherical shell is increased, and the end face of the inner spherical shell is free from the flatness deviation of the outer spherical shell, so that the use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of concentricity deviation of an inner spherical shell and an outer spherical shell and end surface flatness deviation in the prior art, and provides a down lamp capable of improving the concentricity of the inner spherical shell and the outer spherical shell and the end surface flatness of the inner spherical shell and the outer spherical shell.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model discloses a down lamp which comprises a light source assembly, an inner spherical shell, an outer spherical shell and a screw rod, wherein the light source assembly comprises a light source base and a light source; the light source assembly is arranged in the inner spherical shell, a first connecting hole is formed in the inner spherical shell, and a second connecting hole matched with the first connecting hole is formed in the outer spherical shell; the inner wall and the outer wall of the inner spherical shell at the position of the first connecting hole are respectively provided with a first thickening plane and a second thickening plane, the inner wall and the outer wall of the outer spherical shell at the position of the second connecting hole are respectively provided with a third thickening plane and a fourth thickening plane, one end of a screw rod is clamped on the first thickening plane, and the other end of the screw rod sequentially penetrates through the first connecting hole and the second connecting hole to rotatably arrange the inner spherical shell on the outer spherical shell through a locking nut; the second thickening plane and the third thickening plane are attached to each other, and the fourth thickening plane and the locking nut are attached to each other.

Further, the light source assembly includes a face ring, a lens, and a light source plate; the light source plate is fixed at the bottom of the inner spherical shell through screws, the face ring is fixed on the end face of the inner spherical shell through threads, and the lens is arranged between the face ring and the light source plate.

Further, the light source board is SMD paster light source board.

Furthermore, the bottom of the inner spherical shell is provided with a reinforcing rib, and a threaded column for fixing the light source plate is arranged on the reinforcing rib.

Furthermore, still be provided with on the lead screw and prevent drawing the protecting wire cover, prevent drawing the protecting wire cover and put into in the lead screw from the inner wall end of interior spherical shell.

Furthermore, hangers are arranged on two sides of the outer spherical shell, and spring clamps are arranged on the hangers.

Further, a spring gasket is arranged between the outer spherical shell and the locking nut.

The utility model has the advantages that:

according to the utility model, the thickened plane is arranged at the joint of the inner spherical shell and the outer spherical shell, so that the matching surface is changed from arc tangency to plane contact, the contact area of the ball body and the screw rod is increased, the concentricity of the connecting holes of the inner spherical shell and the outer spherical shell is improved, the friction force generated when the inner spherical shell rotates is reduced, the requirement on manufacturing precision can be lowered, and the flatness of the end surfaces of the inner spherical shell and the outer spherical shell is better ensured.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is a partially enlarged view at B in fig. 3.

Fig. 5 is a schematic structural view of the inner wall of the inner spherical shell and the outer spherical shell.

Fig. 6 is a schematic structural view of the outer walls of the inner spherical shell and the outer spherical shell.

Fig. 7 is a schematic structural view of the grommet.

Description of the main component symbols:

1. interior spherical shell, 2, outer spherical shell, 3, the reinforcing rib, 4, the screw thread post, 5, spring shim, 6, the lead screw, 7, the face ring, 8, lens, 9, the light source board, 10, the grommet, 11, the spring clamp, 13, lock nut, 14, first connecting hole, 15, second connecting hole, 16, first thickening plane, 17, second thickening plane, 18, third thickening plane, 19, fourth thickening plane.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 7, the present invention discloses a down lamp, which comprises a light source assembly, an inner spherical shell 1, an outer spherical shell 2 and a lead screw 6. The light source subassembly sets up in interior spherical shell 1, is provided with first connecting hole 14 on interior spherical shell 1, is provided with on the outer spherical shell 2 with first connecting hole 14 matched with second connecting hole 15. Interior spherical shell 1 is provided with first thickening plane 16 and second thickening plane 17 on being located the interior outer wall of first connecting hole 14 position department respectively, outer spherical shell 2 is provided with third thickening plane 18 and fourth thickening plane 19 on being located the interior outer wall of 15 position departments of second connecting hole respectively, 6 one end cards of lead screw are on first thickening plane 16, other end lead screw 6 passes first connecting hole 14 in proper order, second connecting hole 15 passes through lock nut 13 and rotationally sets up interior spherical shell 1 on outer spherical shell 2. The second thickened surface 17 is attached to the third thickened surface 18, and the fourth thickened surface 19 is attached to the lock nut 13.

The junction through at interior spherical shell 1 and outer spherical shell 2 sets up the thickening plane for the fitting surface is from the tangent plane contact that changes into of circular arc, increases spheroid and lead screw 6 area of contact, has improved the concentricity of interior

spherical shell

1 and 2 connecting holes of outer spherical shell, and frictional force when reducing interior spherical shell 1 and rotating also can reduce the manufacturing accuracy requirement simultaneously, the plane degree of

spherical shell

1 and 2 terminal surfaces of outer spherical shell in the better assurance.

Wherein the light source assembly comprises a face ring 7, a lens 8 and a light source plate 9. The light source plate 9 is fixed at the bottom of the inner spherical shell 1 through screws, and the surface ring 7 is fixed on the end surface of the inner spherical shell 1 through threads. The lens 8 is arranged between the face ring 7 and the light source plate 9. The light source board 9 is an SMD patch light source board 9.

Preferably, the bottom of the inner spherical shell 1 is provided with a reinforcing rib 3, and the reinforcing rib 3 is provided with a threaded column 4 for fixing the light source plate 9.

Preferably, for better protection of the lead, a pull-proof wire sheath 10 is further disposed on the lead screw 6, and the pull-proof wire sheath 10 is inserted into the lead screw 6 from the inner wall end of the inner spherical shell 1. After the wire sheath 10 is inserted into the screw rod 6, the wire sheath 10 tightly embraces the wire due to extrusion, and the other end of the wire sheath 10 is clamped on the screw rod 6, so that when the wire is pulled by external force, the connection in the light source component is not influenced.

Preferably, the two sides of the outer spherical shell 2 are provided with hanging lugs, and spring clips 11 are arranged on the hanging lugs.

Preferably, for a better connection of the inner spherical shell 1 to the outer spherical shell 2, a spring washer 5 is arranged between the outer spherical shell 2 and the lock nut 13.

In conclusion, the thickened plane is arranged at the joint of the inner spherical shell and the outer spherical shell, so that the matching surface is changed from arc tangency to plane contact, the contact area of the sphere and the screw rod is increased, the concentricity of the connecting holes of the inner spherical shell and the outer spherical shell is improved, the friction force generated when the inner spherical shell rotates is reduced, the requirement on manufacturing precision can be lowered, and the flatness of the end faces of the inner spherical shell and the outer spherical shell is better ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention.

Claims

1. A down lamp, its characterized in that: comprises a light source component, an inner spherical shell, an outer spherical shell and a screw rod; the light source assembly is arranged in the inner spherical shell, a first connecting hole is formed in the inner spherical shell, and a second connecting hole matched with the first connecting hole is formed in the outer spherical shell; the inner wall and the outer wall of the inner spherical shell at the position of the first connecting hole are respectively provided with a first thickening plane and a second thickening plane, the inner wall and the outer wall of the outer spherical shell at the position of the second connecting hole are respectively provided with a third thickening plane and a fourth thickening plane, one end of a screw rod is clamped on the first thickening plane, and the other end of the screw rod sequentially penetrates through the first connecting hole and the second connecting hole to rotatably arrange the inner spherical shell on the outer spherical shell through a locking nut; the second thickening plane and the third thickening plane are attached to each other, and the fourth thickening plane and the locking nut are attached to each other.

2. A downlight according to claim 1, wherein: the light source component comprises a surface ring, a lens and a light source plate; the light source plate is fixed at the bottom of the inner spherical shell through screws, the face ring is fixed on the end face of the inner spherical shell through threads, and the lens is arranged between the face ring and the light source plate.

3. A downlight according to claim 2, wherein: the light source board is SMD paster light source board.

4. A downlight according to claim 2, wherein: the bottom of the inner spherical shell is provided with a reinforcing rib, and a threaded column used for fixing the light source plate is arranged on the reinforcing rib.

5. A downlight according to claim 1, wherein: still be provided with on the lead screw and prevent drawing the protecting wire cover, prevent drawing the protecting wire cover and put into in the lead screw from the inner wall end of interior spherical shell.

6. A downlight according to claim 1, wherein: the two sides of the outer spherical shell are provided with hanging lugs, and spring clamps are arranged on the hanging lugs.

7. A downlight according to claim 1, wherein: and a spring gasket is arranged between the outer spherical shell and the locking nut.