CN212361822U

CN212361822U - Down lamp

Info

Publication number: CN212361822U
Application number: CN202021304714.9U
Authority: CN
Inventors: 杨晓东; 葛湘萍
Original assignee: Zhejiang Chenfeng Technology Co ltd
Current assignee: Zhejiang Chenfeng Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-01-15
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a down lamp, including lamp body, light diffuser plate and light source board, the lamp body includes barrel and hou gai, the barrel inner wall forms the flange and along a plurality of buckles that barrel circumference interval set up, and this buckle is the inclined plane on one side inwards, the light diffuser plate slides in between buckle and the flange along the inclined plane, forms the axial fixity connection of light diffuser plate and barrel. The light diffusion plate of the utility model is simple and labor-saving to install, and the assembly structure of the light diffusion plate and the barrel body is firmer; the light source plate is simpler in mounting structure and is stably connected; the fixing structure of the power line is simple, the installation can be completed when the barrel body and the rear cover are installed, the fixing connection can be realized quickly, and the connecting structure is firm; the assembly efficiency is high, has reduced manufacturing cost.

Description

Down lamp

Technical Field

The utility model belongs to the technical field of lamps and lanterns, especially, relate to a down lamp.

Background

At present conventional down lamp, including the lamp body, light diffuser plate and drive box, the lamp body includes barrel and protrusion in the base of barrel bottom surface, and the oral area buckle of drive box is installed in the base. The light diffuser plate is gone into in down lamp, as shown in fig. 1, has the round buckle to block the light diffuser plate, nevertheless can adopt strong demoulding structure because the barrel is the mould design of round buckle, must can design into a demolding chamfer in the buckle bottom, just because the difficult chucking of the light diffuser plate that this chamfer can make just becomes flexible easily or falls out the barrel. In addition, the power line is fixed by a fixing plate through screws in the market at present, and the mode has the defects of low enterprise production efficiency, high cost, more labor and the like. The light source plate is fixed mostly in a screw fixing mode, so that the problems of high production cost, low efficiency and the like are solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a down lamp which is convenient to disassemble and assemble and stable in connection.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a down lamp, includes the lamp body, light diffuser plate and light source board, the lamp body includes barrel and back lid, barrel inner wall forms the flange and along a plurality of buckles that barrel circumference interval set up, and this buckle is the inclined plane to one side inwards, the light diffuser plate slides in between buckle and the flange along the inclined plane, forms the axial fixity connection of light diffuser plate and barrel.

The utility model discloses the buckle interval sets up, can adopt the demolding mode of pushing up to one side on the mould, and not only the drawing of patterns is simple, and the diffuser plate is connected in the card tight fit behind buckle and the flange and can not fall out, and assembly structure is more firm.

Furthermore, one side of the buckle close to the flange is a plane. The buckle is the plane with the one side that the light diffuser plate offsets, and area of contact between them is bigger, connects more firmly.

Further, the maximum radial width position of the buckle is larger than or equal to 0.3 mm. The structure buckle degree of depth of traditional strong drawing of patterns is less than 0.3mm usually, and the light diffuser plate falls out easily, and the light diffuser plate is difficult for falling out after radial degree of depth increases.

Further, the top surface forms the reference column in the barrel, the barrel endotheca is equipped with the heat dissipation aluminium part, the light source board inserts perpendicularly behind the reference column and is connected with heat dissipation aluminium part interference tight fit.

Traditional mode light source board adopts the mode of screw fixation, and production efficiency is low, and manufacturing cost is high, and the connected mode cooperation reference column of tight fit prevents that the light source board is rotatory, has saved spare parts such as screw, and the assembly is simpler, reaches the purpose that the cost reduction carried efficiency.

Furthermore, a clamping groove for a power line to penetrate is formed in the outer top surface of the barrel, a line pressing block is formed in the inner top surface of the rear cover, and when the barrel is assembled and connected with the rear cover, the line pressing block enables the power line to be pressed against the clamping groove.

The traditional mode power cord adopts solitary line ball piece and screw fixation, and the assembly process is complicated, through the design of draw-in groove and line ball piece for when back lid and barrel be assembled between/be connected, with the line ball piece just to inserting the draw-in groove, can realize the fixed connection of power cord, assembly structure is simple.

Furthermore, at least two baffles are formed on the outer top surface of the cylinder body, the clamping groove is formed between every two adjacent baffles, and the width of the clamping groove is equivalent to the outer diameter of the power line. The clamping groove is simple in forming structure.

Furthermore, the bottom surface extends upwards perpendicularly in the draw-in groove and forms two at least splice bars, and this splice bar top surface is the arcwall face that can laminate with the power cord outer wall, forms the cavity between the splice bar.

The firm connection of power cord is guaranteed in the design of arcwall face, and the power cord can not squint at will, has also reduced the production in clearance, and the design of cavity makes the power cord can produce the crooked entering cavity under the support of line ball piece, connects more firmly.

Furthermore, the clamping grooves are arranged along the radial direction of the cylinder body, and the number of the clamping grooves is two.

Furthermore, the number of the line pressing blocks is two, and the end parts of the two line pressing blocks are integrally connected.

Furthermore, a frustum structure which is convenient to extend into the clamping groove is formed at the other end of the line pressing block; and reinforcing ribs extending along the length direction of the line pressing block are formed on the line pressing block. The line ball piece's structural strength is high, can not damage easily for lamps and lanterns can pass through smoothly when doing all aspects safety test.

The utility model has the advantages that: 1) the light diffusion plate is simple and labor-saving to install, and the assembly structure of the light diffusion plate and the barrel is firmer; 2) the light source plate is simpler in mounting structure and is stably connected; 3) the fixing structure of the power line is simple, the installation can be completed when the barrel body and the rear cover are installed, the fixing connection can be realized quickly, and the connecting structure is firm; 4) the assembly efficiency is high, has reduced manufacturing cost.

Drawings

Fig. 1 is a cross-sectional view of a prior art cartridge.

Fig. 2 is a first perspective view of the present invention.

Fig. 3 is a second perspective view of the present invention.

Fig. 4 is an enlarged view of a structure in fig. 3.

Fig. 5 is a cross-sectional view of the present invention.

Fig. 6 is a perspective view of the barrel of the present invention.

Fig. 7 is an enlarged view of the structure at B in fig. 6.

Fig. 8 is a cross-sectional view of the barrel of the present invention.

Fig. 9 is a perspective view of the rear cover of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 2 to 9, a downlight comprises a body 1, a light diffusion plate 2, a light source plate 3, and a driving box for switching power, wherein the body 1 comprises a barrel 4 and a rear cover 5, and the rear cover 5 is detachably connected to the top of the barrel 4.

The inner wall of the cylinder 4 near the open end is formed with a flange 41 with a reduced inner diameter, and a plurality of catches 42 are provided at intervals along the circumferential direction of the cylinder 4 at positions between the flange 41 and the open end. The cross section of the buckle 42 is triangular, and the inward side, i.e. the side facing the central axis of the cylinder 4, is an inclined surface 421, and the side where the rear cover 5 is located is defined as the upper side, so that the inclined surface 421 inclines from top to bottom and from the inside to the outside; the side of the buckle 42 close to the flange 41 is a plane 422. Therefore, when the light diffusion plate 2 is assembled, it can slide into the gap between the hook 42 and the flange 41 along the inclined surface 421 from the opening end of the cylindrical body 4, and the width of the gap is equivalent to the thickness of the light diffusion plate 2, thereby realizing the axial fixed connection between the light diffusion plate 2 and the cylindrical body 4.

The maximum radial width of the buckle 42 is greater than or equal to 0.3mm, namely H is greater than or equal to 0.3mm in figure 4.

In this embodiment, the flange 41 extends along a circumference of the inner wall of the cylinder 4, and the number of the fasteners 42 is equal to or greater than two, in this embodiment four, and the fasteners are uniformly distributed; of course, the flange 41 may be provided intermittently, as long as the arc-shaped flange 41 is provided at the position corresponding to the buckle 42.

As shown in FIG. 5, the laminating cover of the inner wall of the barrel 4 is provided with a heat dissipation aluminum part 6, the inner top surface of the barrel 4 forms a positioning column 43, during assembly, the light source plate 3 is vertically inserted into the positioning column 43 and then is connected with the inner ring side wall of the heat dissipation aluminum part 6 in an interference tight fit manner, and the connection is stable and convenient to disassemble and assemble.

As shown in fig. 6 and 7, a slot 44 for passing the power cord is formed on the outer top surface of the barrel 4, the slot 44 is formed by two baffles 45 formed on the outer top surface of the barrel 4 in a facing manner, and the width of the slot 44 is equal to the outer diameter of the power cord, so that the power cord can be tightly clamped in the slot 44.

In this embodiment, the two locking grooves 44 are radially disposed along the cylinder 4, and are formed by three parallel and opposite blocking plates 45. The end parts of the adjacent baffles 45 are connected by a connecting rib 46, the connecting rib 46 extends vertically and upwards from the inner bottom surface of the clamping groove 44 to form, the top surface of the connecting rib 46 is an arc surface 461 which can be attached to the outer wall of the power line, and a cavity 47 is formed between the two connecting ribs 46 between the adjacent baffles 45.

As shown in fig. 5, a wire pressing block 51 is formed on the inner top surface of the rear cover 5, and when the barrel 4 and the rear cover 5 are assembled, the wire pressing block 51 extends into the clamping groove 44 to press the power line in the clamping groove 44.

The number of the line pressing blocks 51 corresponds to the number of the clamping grooves 44, and is two, in order to increase the firmness of the line pressing blocks 51, the bottom ends of the two line pressing blocks 51 connected to the rear cover 5 are connected through the connecting block 52, that is, the parts of the two line pressing blocks 51 are integrally connected with the connecting block 52.

In order to further increase the firmness of the punch block 51, a reinforcing rib 512 extending along the length direction of the punch block 51 is formed on the punch block 51, the width of the reinforcing rib 512 is smaller than that of the punch block 51, and the height of the reinforcing rib 512 is smaller than that of the punch block 51.

In order to facilitate the wire pressing block 51 to extend into the clamping groove 44 and also to press the power line downwards, even extend into the cavity 47, a frustum structure 511 is formed at one end of the wire pressing block 51 far away from the rear cover 5, and in order to avoid interference of the reinforcing rib 512, a cutting surface 513 is also formed at one end of the reinforcing rib 512 far away from the rear cover 5.

During assembly, the wire pressing block 51 is just opposite to the clamping groove 44, the rear cover 5 is connected with the barrel 4 through pressing, and fixed connection of a power line can be achieved.

The above detailed description is provided for illustrative purposes, and is not intended to limit the present invention, and any modifications and variations of the present invention are within the spirit and scope of the following claims.

Claims

1. The utility model provides a down lamp, includes lamp body (1), light diffuser plate (2) and light source board (3), lamp body (1) is including barrel (4) and back lid (5), its characterized in that: the inner wall of the cylinder body (4) is provided with a flange (41) and a plurality of buckles (42) arranged along the circumferential direction of the cylinder body (4) at intervals, the inward side of each buckle (42) is provided with an inclined surface (421), and the light diffusion plate (2) slides into the space between each buckle (42) and the flange (41) along the inclined surface (421) to form axial fixed connection between the light diffusion plate (2) and the cylinder body (4).

2. A downlight according to claim 1, wherein: one side of the buckle (42) close to the flange (41) is a plane (422).

3. A downlight according to claim 1 or 2, wherein: the maximum radial width position of the buckle (42) is more than or equal to 0.3 mm.

4. A downlight according to claim 3, wherein: the top surface forms reference column (43) in barrel (4), barrel (4) endotheca is equipped with heat dissipation aluminium part (6), light source board (3) are inserted perpendicularly behind reference column (43) and are connected with heat dissipation aluminium part (6) interference tight fit.

5. A downlight according to claim 3, wherein: the power cord clamping device is characterized in that a clamping groove (44) for a power cord to penetrate is formed in the outer top surface of the barrel (4), a line pressing block (51) is formed in the inner top surface of the rear cover (5), and the line pressing block (51) is used for pressing the power cord to the clamping groove (44) when the barrel (4) is assembled and connected with the rear cover (5).

6. A downlight according to claim 5, wherein: at least two baffles (45) are formed on the outer top surface of the barrel (4), the clamping groove (44) is formed between the adjacent baffles (45), and the width of the clamping groove (44) is equivalent to the outer diameter of the power line.

7. A downlight according to claim 5, wherein: the bottom surface extends upwards perpendicularly in draw-in groove (44) and forms two at least splice bars (46), and this splice bar (46) top surface is for can with power cord outer wall laminating arc face (461), forms cavity (47) between splice bar (46).

8. A downlight according to claim 5, wherein: the clamping grooves (44) are arranged along the radial direction of the cylinder body (4), and the number of the clamping grooves is two.

9. A downlight according to claim 8, wherein: the number of the line pressing blocks (51) is two, and the end parts of the two line pressing blocks (51) are integrally connected.

10. A downlight according to claim 9, wherein: the other end of the line pressing block (51) is provided with a frustum structure (511) which is convenient to extend into the clamping groove (44); the wire pressing block (51) is provided with a reinforcing rib (512) extending along the length direction of the wire pressing block.