Self-locking down lamp

By designing a self-locking downlight, and utilizing structures such as clearance holes, protective shells, and limiting blocks, the problems of preventing power cord pulling and complex assembly are solved, achieving the effects of simplified assembly and reduced costs.

CN223691015UActive Publication Date: 2025-12-19FOSHAN XYL LIGHTING FACTORY
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Patent Information

Application Number
CN202520374703.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2025-12-19
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

The existing power cord connection method for downlights cannot meet the requirements for anti-pull protection, and the assembly is complicated and costly.

Method used

The downlight adopts a self-locking design, which uses a structure such as a clearance hole, a protective shell and a limiting block on the outer shell of the lamp body to achieve self-locking and limiting of the power cord. It also provides double protection through snap-fit ​​and elastic buckle, simplifying the assembly process.

Benefits of technology

It achieves anti-pull protection for the power cord, simplifies the assembly process, reduces labor costs, and improves installation convenience and stability.

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Abstract

The utility model discloses a self-locking down lamp which comprises a barrel shell and a lamp panel installed at the top in the shell, and further comprises a DC Jack power socket arranged on the lamp panel and a DC power line matched with the DC Jack power socket, an avoiding hole is formed in the position, corresponding to the DC Jack power socket, of the barrel shell, a protective shell is installed at the position, corresponding to the avoiding hole, of the barrel shell, and the DC power line is matched with the DC Jack power socket. A first through hole is formed in a position, corresponding to a jack of the DC Jack power socket, of the protective shell; a connecting ring allowing a plug of the DC power line to penetrate through is arranged at the position, corresponding to the first through hole, of the outer side wall of the protective shell, limiting blocks are arranged on a plug shell of the DC power line at intervals in the circumferential direction, and inserting grooves allowing the limiting blocks to be inserted are formed in the inner ring of the connecting ring in the circumferential direction. Limiting grooves for allowing the limiting blocks to rotate in are formed in the positions, located at the bottoms of the inserting grooves, of the connecting rings and extend in the circumferential direction of the connecting rings. The anti-pulling device has the advantages that the anti-pulling effect is achieved, meanwhile, the assembling convenience is improved, and the cost is reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of lamps, in particular to a self-locking type down lamp. BACKGROUND

[0002] At present, in modern home and office environment, the selection and installation of lighting lamps are particularly important. As a kind of embedded in the ceiling, down lamp is a down light lamp, because it can provide soft and uniform light effect, it is widely used in various indoor space.

[0003] The power cord of the existing down lamp is connected to the lamp panel of the down lamp. One kind of down lamp uses type-c interface to complete the connection of the power cord, but this kind of wiring method cannot meet the pull requirement of the power cord. Another kind is to weld the end of the power cord on the lamp panel and add a wire clamp, so as to achieve the anti-pulling effect of the power cord. However, the wire clamp needs to be fixed on the shell of the down lamp by screw, which not only complicates the assembly, but also increases the processing cost. SUMMARY

[0004] In order to meet the anti-pulling effect, improve the assembly convenience and reduce the cost, the present application provides a self-locking type down lamp.

[0005] The self-locking type down lamp provided by the present application adopts the following technical scheme:

[0006] A self-locking type down lamp, comprising a down lamp shell and a lamp panel installed on the top of the shell, further comprising a DC Jack power socket arranged on the lamp panel and a DC power cord matched with the DC Jack power socket, the down lamp shell is provided with a position avoiding hole corresponding to the position of the DC Jack power socket, the down lamp shell is provided with a protective shell corresponding to the position of the position avoiding hole, the protective shell is provided with a first through hole corresponding to the socket position of the DC Jack power socket; the outer wall of the protective shell is provided with a connecting ring for the plug of the DC power cord to pass through, the plug shell of the DC power cord is provided with a limiting block arranged at intervals along the circumference, the inner ring of the connecting ring is provided with a plug-in slot for the limiting block to insert, the groove bottom of the connecting ring located in the plug-in slot is provided with a limiting slot extending along the circumference of the connecting ring for the limiting block to turn in.

[0007] By adopting the technical scheme, when the barrel shell is installed on the ceiling, the plug of the DC power cord can be directly inserted into the socket of the DC Jack power socket through the first through hole, and at this time the limiting block is inserted into the plug slot synchronously; since the plug of the DC power cord can rotate in the socket of the DC Jack power socket, rotating the plug of the DC power cord can make the limiting block rotate into the limiting slot, thereby limiting the plug of the DC power cord, achieving the anti-pulling effect of the power cord in a small space, and the operation process is simple compared with the existing anti-pulling method, improving the convenience of assembly and reducing the cost; in addition, no manual output such as welding is required during assembly, saving labor cost.

[0008] Preferably, the limiting block is provided in pairs, and the two limiting blocks are respectively arranged on the two sides of the plug shell of the DC power cord.

[0009] By adopting the technical scheme, the limiting of the plug of the DC power cord is more stable, and the anti-pulling effect is improved.

[0010] Preferably, the protective shell is open on the side facing the barrel shell, and the protective shell is provided with clamping grooves on the two sides corresponding to the opening, and the edges of the lamp plate are clamped in the clamping grooves.

[0011] By adopting the technical scheme, the protective shell is clamped into the avoiding hole, and at the same time the edges of the lamp plate are clamped into the clamping grooves, so as to fix the protective shell in the lamp plate.

[0012] Preferably, the lamp plate is provided with a toggle switch at a position corresponding to the inside of the protective shell, the protective shell is provided with a second through hole at a position corresponding to the toggle handle of the toggle switch, the first through hole and the second through hole are located on the same side of the protective shell, and the inner side wall of the protective shell is provided with an elastic buckle at a position corresponding to the toggle switch, one end of the elastic buckle is elastically connected to one side of the protective shell provided with the second through hole, and the other end is buckled on the side of the toggle switch away from the toggle handle.

[0013] By adopting the technical scheme, when the protective shell is clamped into the avoiding hole, the protective shell and the lamp plate are further connected by the elastic buckle, which also has the effect of anti-pulling, achieving double protection.

[0014] Preferably, the elastic buckle is provided in pairs, and the two elastic buckles are respectively located on the two sides of the toggle switch.

[0015] By adopting the technical scheme, the connection between the protective shell and the lamp plate is more stable.

[0016] Preferably, the outer side wall of the connecting ring and the plug shell of the DC power cord are provided with corresponding marks.

[0017] By adopting the technical scheme, when the operator inserts the plug of the DC power cord into the DC Jack power socket, whether the plug is inserted in the correct position can be determined by whether the marks on the connecting ring and the plug shell of the DC power cord are aligned.

[0018] Preferably, the bottom of the barrel shell is provided with a lamp ring at the light outlet position, the lamp ring extends along the circumference of the light outlet, and one end of the barrel shell close to the light outlet abuts against the lamp ring; a plurality of connecting plates are arranged along the circumference of the side of the lamp ring close to the barrel shell, and the connecting plates are provided with clamping pieces, one end of the clamping pieces is elastically connected to the connecting plates, and the other end extends upwardly and away from the barrel shell.

[0019] By adopting the technical scheme, when installing the down lamp, the operator first pushes the clamping pieces towards the barrel shell, and then directly inserts the down lamp into the corresponding mounting hole of the ceiling from bottom to top, until the lamp ring abuts against the side of the ceiling facing downward, and the installation of the down lamp is completed, at this time, the clamping pieces are stretched, and the fixation between the down lamp and the ceiling is achieved through the friction between the clamping pieces and the ceiling, the structure is simple, the operation is simple and convenient, and the practicability is high.

[0020] Preferably, the barrel shell is provided with a positioning ring at the light outlet position and extending along the circumference, the inner diameter of the positioning ring is equal to the inner diameter of the lamp ring, the outer diameter of the positioning ring is smaller than the outer diameter of the lamp ring, the positioning ring abuts against the lamp ring, the connecting plates are provided with locking pieces, one end of the locking pieces is elastically connected to the connecting plates, and the other end extends upwardly and close to the barrel shell, and the positioning ring is clamped at the position between the locking pieces and the lamp ring.

[0021] By adopting the technical scheme, when the positioning ring abuts against the lamp ring, the locking pieces are elastically reset, and the positioning ring is clamped at the position between the locking pieces and the lamp ring, and the positioning and installation between the lamp ring and the barrel shell are achieved, the structure is simple, the operation is simple and convenient, and the practicability is high.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. When the barrel shell is installed on the ceiling, the plug of the DC power cord can be directly inserted into the socket of the DC Jack power socket through the first through hole, and at this time the limiting block is inserted into the plug slot at the same time; because the plug of the DC power cord can rotate in the socket of the DC Jack power socket, rotating the plug of the DC power cord can make the limiting block turn into the limiting slot, limiting the plug of the DC power cord, achieving the anti-pulling effect of the power cord in a small space, and the operation process is simple compared with the existing anti-pulling method, improving the convenience of assembly and reducing cost; In addition, no welding or other manual output is required during assembly, saving labor costs;

[0024] 2. The protective shell is directly clamped into the avoiding hole, and the lamp plate edge is clamped into the clamping groove at the same time, and the protective shell and the lamp plate are further connected through the action of the elastic buckle, which can also achieve the anti-pulling effect, achieving double protection;

[0025] 3. When installing the down lamp, the operator first pushes the clamping piece towards the barrel shell, and then directly clamps the down lamp as a whole from bottom to top into the corresponding mounting hole of the ceiling, until the lamp ring abuts against the side of the ceiling facing down, the installation of the down lamp is completed, at this time the clamping piece is opened, and the friction between the clamping piece and the ceiling achieves the fixation between the down lamp and the ceiling. The structure is simple, easy to operate, and high in practicality. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is the overall structure schematic diagram of the embodiment of the application.

[0027] Figure 2 is the structure schematic diagram of the embodiment of the application after removing the protective shell.

[0028] Figure 3 is Figure 1 the partial enlarged view of A in

[0029] Figure 4 is the installation structure schematic diagram between the protective shell and the lamp plate of the embodiment of the application.

[0030] Figure 5 is the structure sectional view of the barrel shell installed on the ceiling of the embodiment of the application.

[0031] Figure 6 is Figure 1 the partial enlarged view of B in

[0032] BRIEF DESCRIPTION OF DRAWINGS

[0033] 1, barrel shell; 11, avoiding hole; 12, lamp ring; 13, positioning ring; 14, connecting plate; 15, clamping sheet; 16, locking sheet; 2, lamp plate; 3, DC Jack power socket; 4, toggle switch; 5, DC power cord; 51, limiting block; 52, logo; 6, protective shell; 61, first through hole; 62, second through hole; 63, connecting ring; 631, plug-in slot; 632, limiting slot; 64, clamping groove; 65, elastic buckle; 101, ceiling. DETAILED DESCRIPTION

[0034] The following description will be made in conjunction with the accompanying drawings. Figures 1-6 The application is further described in detail.

[0035] The application discloses a self-locking type ceiling lamp. Referring to Figure 1 and Figure 2 , the self-locking type ceiling lamp comprises a barrel shell 1 and a lamp plate 2, the barrel shell 1 is trumpet-shaped with an opening downward, and the lamp plate 2 is fixedly installed at the top of the barrel shell 1; the self-locking type ceiling lamp further comprises a DC Jack power socket 3, a toggle switch 4 and a DC power cord 5 adapted to the DC Jack power socket 3, the DC Jack power socket 3 and the toggle switch 4 are arranged at the edge of the lamp plate 2 and close to each other, the barrel shell 1 is provided with an avoiding hole 11 corresponding to the positions of the DC Jack power socket 3 and the toggle switch 4, and the lamp plate 2 extends out of the barrel shell 1 at the position corresponding to the avoiding hole 11, that is, the DC Jack power socket 3 and the toggle switch 4 are located outside the barrel shell 1; the barrel shell 1 is clamped with a protective shell 6 at the position corresponding to the avoiding hole 11, the protective shell 6 is open to the side inside the barrel shell 1, and the part of the lamp plate 2 extending out of the barrel shell 1, the DC Jack power socket 3 and the toggle switch 4 are all located in the protective shell 6, thereby playing a protection role; referring to Figure 2 and Figure 3 , the protective shell 6 is provided with a first through hole 61 and a second through hole 62 respectively corresponding to the plug position of the DC Jack power socket 3 and the handle position of the toggle switch 4 at the side away from the opening, so that the operator can insert the plug of the DC power cord 5 into the DC Jack power socket 3 through the first through hole 61, and can control the opening and closing of the ceiling lamp by the second through hole 62.

[0036] Referring to Figure 2 and Figure 3The outer side wall of the protective shell 6 is provided with a connecting ring 63 at the position corresponding to the first through hole 61, the connecting ring 63 can be penetrated by the plug of the DC power line 5; the plug shell of the DC power line 5 is integrally provided with a pair of limiting blocks 51 at intervals in the circumferential direction, the two limiting blocks 51 are respectively arranged on the two sides of the plug shell of the DC power line 5, the inner circle of the connecting ring 63 is provided with a plug slot 631 at intervals in the circumferential direction and at the positions corresponding to the two limiting blocks 51, the limiting blocks 51 are plugged into the plug slot 631; the groove bottom of the connecting ring 63 located in the plug slot 631 is provided with a limiting slot 632 extending in the circumferential direction of the connecting ring 63; when the plug of the DC power line 5 is inserted into the DC Jack power socket 3, the limiting blocks 51 are inserted into the plug slot 631, then the plug of the DC power line 5 is rotated to make the limiting blocks 51 rotate into the limiting slot 632, so as to limit the plug of the DC power line 5; the outer side wall of the connecting ring 63 and the plug shell of the DC power line 5 are provided with a corresponding mark 52, so as to improve the installation efficiency of the DC power line 5.

[0037] With reference to Figure 3 And Figure 4 The protective shell 6 is provided with a clamping slot 64 at the positions corresponding to the two sides of the opening, the edge position of the lamp plate 2 is clamped into the clamping slot 64, so as to achieve the first positioning between the protective shell 6 and the lamp plate 2; the inner side wall of the protective shell 6 is provided with a pair of elastic buckles 65 at the positions corresponding to the toggle switch 4, one end of the elastic buckle 65 is elastically connected to one side of the second through hole 62 in the protective shell 6, the other end is buckled to the side of the toggle switch 4 away from the toggle handle; so as to achieve the second positioning between the protective shell 6 and the lamp plate 2, improve the installation stability of the protective shell 6, and also improve the anti-pulling effect.

[0038] With reference to Figure 5 And Figure 6The bottom light outlet position of the barrel shell 1 is provided with a lamp ring 12 extending along the circumference of the light outlet, the barrel shell 1 is integrally formed with a positioning ring 13 corresponding to the position of the light outlet, the positioning ring 13 extends along the circumference of the light outlet, and the positioning ring 13 abuts on the lamp ring 12; the inner diameter of the positioning ring 13 is equal to the inner diameter of the lamp ring 12, and the outer diameter of the positioning ring 13 is smaller than the outer diameter of the lamp ring 12; a pair of connecting plates 14 are arranged at intervals along the circumference of the side close to the barrel shell 1 of the lamp ring 12, the connecting plates 14 are arc-shaped and adapted to the curvature of the lamp ring 12, the two connecting plates 14 are respectively located at the two sides of the lamp ring 12, the connecting plates 14 are welded to the lamp ring 12, a clamping piece 15 is arranged at the middle position of the connecting plate 14, one end of the clamping piece 15 is elastically connected to the connecting plate 14, and the other end extends upwardly and obliquely away from the barrel shell 1, so that when the down lamp passes through the mounting hole of the ceiling 101, the clamping piece 15 is opened and abuts on the hole wall position of the mounting hole, and the down lamp is stabilized on the ceiling 101 through the friction force; one end of a locking piece 16 is elastically connected to the connecting plate 14, and the other end extends upwardly and obliquely towards the barrel shell 1, and the positioning ring 13 is clamped between the locking piece 16 and the lamp ring 12; so that the lamp ring 12 can be fixed on the barrel shell 1.

[0039] The implementation principle of the self-locking down lamp is that the operator first moves the clamping piece 15 towards the barrel shell 1, then directly inserts the whole down lamp into the corresponding mounting hole of the ceiling 101 from bottom to top, until the lamp ring 12 abuts on the side of the ceiling 101 facing downward, and the installation of the down lamp is completed, at this time, the clamping piece 15 is opened, and the down lamp and the ceiling 101 are fixed through the friction force between the clamping piece 15 and the ceiling 101; then the plug of the DC power line 5 is inserted into the socket of the DC Jack power socket 3 through the first through hole 61, at this time, the limiting block 51 is inserted into the insertion groove 631; since the plug of the DC power line 5 can rotate in the socket of the DC Jack power socket 3, rotating the plug of the DC power line 5 can make the limiting block 51 rotate into the limiting groove 632, and the plug of the DC power line 5 is limited.

[0040] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A self-locking type down lamp comprising a cylindrical housing (1) and a lamp panel (2) installed at the top of the housing, characterized in that, Also include a DC Jack power socket (3) arranged on the lamp panel (2) and a DC power cord (5) adapted to the DC Jack power socket (3), the barrel shell (1) is provided with an avoiding hole (11) corresponding to the position of the DC Jack power socket (3), the barrel shell (1) is provided with a protective shell (6) corresponding to the position of the avoiding hole (11), the protective shell (6) is provided with a first through hole (61) corresponding to the socket position of the DC Jack power socket (3); the outer wall of the protective shell (6) is provided with a connecting ring (63) for the plug of the DC power cord (5) to pass through corresponding to the position of the first through hole (61), the plug shell of the DC power cord (5) is provided with a limiting block (51) arranged at intervals along the circumference, the inner ring of the connecting ring (63) is provided with a plug-in slot (631) for inserting the limiting block (51) along the circumference, the bottom of the plug-in slot (631) of the connecting ring (63) is provided with a limiting slot (632) extending along the circumference of the connecting ring (63) for the limiting block (51) to turn in.

2. A self-locking type down lamp according to claim 1, wherein The limiting block (51) is provided with a pair of limiting blocks (51), and the two limiting blocks (51) are respectively arranged on both sides of the plug shell of the DC power cord (5).

3. The self-locking pin-type lamp according to claim 1, wherein The opening side of the protective shell (6) towards the barrel shell (1) is provided with a clamping groove (64) on both sides of the opening, and the edge of the lamp panel (2) is clamped in the clamping groove (64).

4. A self-locking type bulb socket according to claim 3, wherein The lamp panel (2) is provided with a toggle switch (4) corresponding to the position in the protective shell (6), the protective shell (6) is provided with a second through hole (62) corresponding to the position of the toggle switch (4) handle, the first through hole (61) and the second through hole (62) are located on the same side of the protective shell (6); the inner wall of the protective shell (6) and the position corresponding to the toggle switch (4) is provided with an elastic buckle (65), one end of the elastic buckle (65) is elastically connected to one side of the protective shell (6) provided with the second through hole (62), and the other end is buckled on the side away from the handle of the toggle switch (4).

5. A self-locking pin-type lamp according to claim 4, wherein The elastic buckle (65) is provided with a pair of elastic buckles (65), and the two elastic buckles (65) are respectively located on both sides of the toggle switch (4).

6. The self-locking pin-type lamp according to claim 1, wherein The outer wall of the connecting ring (63) and the plug shell of the DC power cord (5) are provided with a corresponding mark (52).

7. The self-locking pin-type lamp according to claim 1, wherein The bottom of the barrel shell (1) is provided with a lamp ring (12) at the light outlet position, the lamp ring (12) extends along the circumference of the light outlet, and one end of the barrel shell (1) close to the light outlet abuts against the lamp ring (12); a plurality of connecting plates (14) are arranged on the side of the lamp ring (12) close to the barrel shell (1) along the circumference, the connecting plate (14) is provided with a clamping piece (15), one end of the clamping piece (15) is elastically connected to the connecting plate (14), and the other end extends upwardly away from the barrel shell (1).

8. A self-locking pin-type lamp according to claim 7, wherein The light outlet position of the barrel shell (1) extends in the circumferential direction with a positioning ring (13), the inner diameter of the positioning ring (13) is equal to the inner diameter of the lamp ring (12), the outer diameter of the positioning ring (13) is smaller than the outer diameter of the lamp ring (12), the positioning ring (13) abuts against the lamp ring (12), the connecting plate (14) is provided with a locking piece (16), one end of the locking piece (16) is elastically connected to the connecting plate (14), the other end extends upward in the direction close to the barrel shell (1), and the positioning ring (13) is clamped between the locking piece (16) and the lamp ring (12).