Down lamp with auxiliary fixing structure

Abstract

The down lamp with the auxiliary fixing structure comprises a shell, a lamp panel is detachably installed in the shell, a fixing assembly used for elastically pressing and fixing the lamp panel is installed in the shell, and the fixing assembly comprises two sets of fixing blocks symmetrically arranged in the shell. Rotating holes allowing the ends of the pressing strips to rotate are formed in the middles of the two sets of fixing blocks, the two ends of the pressing strips are elastically connected with the rotating holes through torsional springs, the two ends of each set of torsional springs abut against the inner walls of the rotating holes and the outer arc faces of the ends of the pressing strips correspondingly, and the pressing strips are pressed to the edge of the upper surface of the lamp panel through the elastic acting force of the torsional springs. And two groups of clamping blocks for preventing the pressing strips from loosening are symmetrically mounted in the shell. According to the down lamp, the elastic fixing assembly composed of the pressing strip, the torsional spring and the fixing block is arranged, a traditional bolt connection mode is replaced, rapid disassembly and assembly of the lamp panel are achieved, the shell body and threaded holes of the shell body are effectively protected against damage, and the service life of the down lamp body is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of downlight technology, specifically a downlight with an auxiliary fixing structure. Background Art

[0002] Downlights, as recessed lighting devices, are widely used in home decoration, commercial office spaces, and other scenarios. The basic structure of existing downlights typically includes a lamp housing, a built-in LED panel, a heat dissipation module, and a mounting structure for fixing the downlight into an opening in the ceiling. Among these, the mounting structure is the core component that ensures the safety and stability of the downlight during use.

[0003] Traditional downlights typically use bolts to secure the internal light panel. When the panel needs replacement or repair, the external fixing structure must be removed first, and then the bolts must be unscrewed from the confined internal space. Because bolts are subject to temperature changes over time, they are prone to seizing due to thermal expansion and contraction. Disassembly may cause the bolt threads to strip, or even damage the threaded holes of the heat sink bracket, ultimately rendering the lamp housing or heat sink components unusable and increasing maintenance costs. Therefore, a downlight with an auxiliary fixing structure is needed. Utility Model Content

[0004] The purpose of this utility model is to provide a downlight with an auxiliary fixing structure, which fixes the lamp panel by setting a fixing component, avoiding the influence of traditional bolt fixing, and thus solving the technical problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A downlight with an auxiliary fixing structure includes a housing, a lamp plate is detachably installed inside the housing, and a fixing component for elastically pressing and fixing the lamp plate is installed inside the housing.

[0007] The fixing assembly includes two sets of fixing blocks symmetrically arranged inside the housing. Each of the two sets of fixing blocks has a rotating hole in the middle for the end of the pressure strip to rotate. The two ends of the pressure strip are elastically connected to the rotating hole through torsion springs. The two ends of each set of torsion springs abut against the inner wall of the rotating hole and the outer arc surface of the end of the pressure strip, respectively. The pressure strip is pressed against the edge of the upper surface of the lamp board by the elastic force of the torsion springs. Two sets of locking blocks to prevent the pressure strip from loosening are symmetrically installed inside the housing.

[0008] Preferably, the pressure strip is made of spring steel and bent into shape, and the surface of the pressure strip is coated with a high-temperature resistant and rust-proof coating.

[0009] Preferably, a protective pad is fitted at the contact end between the pressure strip and the upper surface of the lamp panel, and the lower surface of the protective pad is in contact with the upper surface of the edge of the lamp panel.

[0010] Preferably, each set of the card blocks has a card slot in the middle, and the middle part of the pressure strip is engaged with the inside of the corresponding card slot.

[0011] Preferably, the fixing block, the locking block, and the inner wall of the outer shell are integrally injection molded, and the outer walls of the fixing block and the locking block are provided with several sets of reinforcing ribs.

[0012] Preferably, the sidewall of the outer shell is provided with heat dissipation holes corresponding to the outer regions of the fixing block and the card block, and the cross-section of each set of heat dissipation holes is elongated.

[0013] Preferably, the upper surface of the lamp panel is provided with a socket, and the side wall of the housing is provided with a plug-in interface corresponding to the socket.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] By using an elastic fixing assembly consisting of a pressure strip, torsion spring, and fixing block to replace the traditional bolt connection method, quick tool-free disassembly and assembly of the lamp panel is achieved, greatly simplifying the replacement and maintenance process. This structure uses the continuous elastic force of the torsion spring to press the lamp panel, which can avoid thread seizing and stripping caused by thermal expansion and contraction, effectively protecting the outer shell and its threaded holes from damage and extending the service life of the downlight body. At the same time, the setting of the locking block prevents the pressure strip from accidentally loosening. The overall structure is simple and significantly reduces maintenance costs and time. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the outer shell of this utility model;

[0018] Figure 3 This is a schematic diagram of the lamp panel mounting structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the fixing component structure of this utility model;

[0020] Figure 5 This utility model Figure 4 A schematic diagram of the structure at center A;

[0021] Figure 6 This is a schematic diagram of the external structure of the pressure strip of this utility model.

[0022] In the diagram: 1. Outer shell; 2. Lamp panel; 3. Fixing component; 31. Fixing block; 32. Rotating hole; 33. Pressure strip; 34. Torsion spring; 35. Clip; 36. Protective pad; 37. Slot; 38. Reinforcing rib; 4. Heat dissipation hole; 5. Plug socket; 6. Plug interface. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] This utility model provides: a downlight with an auxiliary fixing structure, such as... Figures 1-6 As shown, the downlight includes an outer casing 1, inside which a lamp panel 2 is detachably installed, and inside the outer casing 1 is a fixing component 3 for elastically pressing and fixing the lamp panel 2. The outer casing 1 is the main frame of the entire downlight, providing an installation base and protective space for all internal components such as the lamp panel 2 and the fixing component 3, preventing the internal components from being affected by external dust and impacts; the lamp panel 2 is the core light-emitting component of the downlight, and its detachable design facilitates subsequent replacement and maintenance; the fixing component 3 fixes the lamp panel 2 inside the outer casing 1 by snap-fit, achieving the fixation of the lamp panel 2 without bolts.

[0025] The fixing component 3 includes two sets of fixing blocks 31 symmetrically arranged inside the outer casing 1. Each set of fixing blocks 31 has a rotating hole 32 in its center for the end of the pressure strip 33 to rotate. The two ends of the pressure strip 33 are elastically connected to the rotating hole 32 via torsion springs 34. The two ends of each torsion spring 34 abut against the inner wall of the rotating hole 32 and the outer arc surface of the end of the pressure strip 33, respectively. The pressure strip 33 is pressed against the edge of the upper surface of the lamp panel 2 by the elastic force of the torsion springs 34. Two sets of locking blocks 35 are symmetrically installed inside the outer casing 1 to prevent the pressure strip 33 from loosening. The fixing block 31 supports the pressure strip 33 and the torsion spring 34. The rotating hole 32 provides a fulcrum for the end of the pressure strip 33 to rotate. The pressure strip 33 achieves the pressing action against the lamp panel 2 through the rotational engagement of its two ends. The torsion spring 34 continuously provides elastic force to drive the pressure strip 33 to press firmly towards the lamp panel 2. The locking blocks 35 limit the range of motion of the pressure strip 33 to prevent accidental loosening. When installing the lamp panel 2, first push the free end of the pressure strip 33 outward to make it rotate around the rotating hole 32 of the fixing block 31. At this time, the torsion spring 34 is compressed and stored. After the lamp panel 2 is placed inside the outer casing 1, release the pressure strip 33. The torsion spring 34 releases its elastic force and drives the pressure strip 33 to return to its original position, so that its middle part is pressed against the edge of the upper surface of the lamp panel 2. At the same time, the pressure strip 33 is locked into the limiting area of ​​the locking block 35, thus completing the fixing of the lamp panel 2. When removing the lamp panel 2, simply push the pressure strip 33 out of the limiting position of the locking block 35 again. The torsion spring 34 will recharge and the pressure strip 33 will leave the surface of the lamp panel 2. The lamp panel 2 can then be directly removed without disassembling the external structure of the downlight, thus avoiding the problems of bolt seizing and stripping.

[0026] Preferably, the pressure strip 33 is made of spring steel and bent into shape, with a high-temperature resistant and rust-proof coating sprayed on its surface. The spring steel material used in the pressure strip 33 has a high elastic limit and fatigue resistance, which can adapt to the working requirements of long-term rotation around the rotating hole 32 and bearing the elastic force of the torsion spring 34, thus preventing deformation and breakage of the pressure strip 33 after long-term use. The high-temperature resistant and rust-proof coating on the surface of the pressure strip 33 can resist the high temperature generated during the operation of the lamp panel 2, and at the same time prevent moisture in the environment from causing the pressure strip 33 to rust, extending the service life of the pressure strip 33 and ensuring the long-term stable operation of the fixing component 3.

[0027] Furthermore, a protective pad 36 is fitted onto the contact end between the pressure strip 33 and the upper surface of the lamp board 2, with the lower surface of the protective pad 36 adhering to the upper surface of the edge of the lamp board 2. The function of the protective pad 36 is to prevent the pressure strip 33 from making direct rigid contact with the lamp board 2, preventing the metal material of the pressure strip 33 from scratching the PCB substrate or LED chip on the surface of the lamp board 2. At the same time, its flexible material can buffer the pressing force of the pressure strip 33 on the lamp board 2. The design of the lower surface of the protective pad 36 adhering to the edge of the lamp board 2 can maximize the contact area and improve the pressing stability without obstructing the light-emitting area of ​​the lamp board 2.

[0028] Furthermore, each set of locking blocks 35 has a locking groove 37 in the middle, and the middle part of the pressure strip 33 is engaged with the corresponding locking groove 37. The locking groove 37 in the middle of the locking block 35 is a precise limiting structure for the pressure strip 33. Its function is to restrict the movement of the pressure strip 33 in the up and down and left and right directions by engaging with the middle part of the pressure strip 33, preventing the pressure strip 33 from loosening due to downlight vibration or external force, and ensuring the continuous pressing of the pressure strip 33 onto the lamp panel 2; the shape of the locking groove 37 is adapted to the middle part of the pressure strip 33, allowing the pressure strip 33 to be stably embedded and avoiding shaking. When the pressure strip 33 rotates towards the lamp panel 2 and presses against the lamp panel 2 under the action of the torsion spring 34, the middle part of the pressure strip 33 will naturally embed into the slot 37 of the locking block 35. The inner wall of the slot 37 will limit the pressure strip 33 to the left and right, preventing the pressure strip 33 from shifting to the sides. At the same time, the bottom of the slot 37 will restrict the pressure strip 33 from lifting upward, so as to prevent the pressure strip 33 from detaching from the lamp panel 2 when the elastic force of the torsion spring 34 is insufficient.

[0029] It is worth noting that the fixing block 31, the locking block 35, and the inner wall of the outer shell 1 are integrally injection molded. The outer walls of the fixing block 31 and the locking block 35 are provided with several sets of reinforcing ribs 38. The integral injection molding design of the fixing block 31, the locking block 35, and the outer shell 1 can eliminate the splicing gaps between the three, improve the connection strength, and avoid the fixing block 31 and the locking block 35 from falling off due to force during traditional separate installation. It also ensures the symmetrical accuracy of the fixing block 31 and the locking block 35 within the outer shell 1. The reinforcing ribs 38 on the outer walls of the fixing block 31 and the locking block 35 are used to enhance their resistance to deformation, disperse the pressure transmitted by the pressure strip 33, prevent the fixing block 31 and the locking block 35 from cracking or deforming due to long-term stress, ensure that the fixing component 3 can stably bear the force of the pressure strip 33 and the torsion spring 34 for a long time, and extend the overall service life of the downlight.

[0030] Specifically, the sidewall of the outer casing 1 has heat dissipation holes 4 on the outer side of the fixing block 31 and the locking block 35, and each set of heat dissipation holes 4 has a long strip cross-section. The heat dissipation holes 4 on the sidewall of the outer casing 1 are used to conduct the heat generated by the lamp board 2 during operation to the outside of the outer casing 1, so as to avoid the internal temperature from being too high and affecting the luminous efficiency of the lamp board 2, the elastic performance of the torsion spring 34, and the high temperature resistant and rust-proof coating of the pressure strip 33. The long strip cross-section design can reduce the amount of external dust entering the interior of the outer casing 1 while ensuring the heat dissipation area, thereby reducing the risk of internal components malfunctioning due to dust accumulation.

[0031] More specifically, the upper surface of the lamp board 2 is provided with a socket 5, and the side wall of the housing 1 is provided with an interface 6 corresponding to the socket 5. The socket 5 on the upper surface of the lamp board 2 is the connection component between the lamp board 2 and the external driving circuit, and the lamp board 2 is powered through a plug-in connection; the interface 6 on the side wall of the housing 1 corresponding to the socket 5 is the access channel for the external wires, ensuring that the plug of the external driving circuit can be accurately connected to the socket 5. When installing the lamp board 2, first insert the plug of the external driving circuit into the socket 5 of the lamp board 2 through the interface 6 of the housing 1, and then fix the lamp board 2 with the fixing component 3 to complete the synchronous connection of circuit and mechanical fixation; when removing the lamp board 2, first release the fixation of the fixing component 3, and then pull the plug out of the socket 5 to remove the lamp board 2 without cutting or soldering the wires.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A downlight with an auxiliary fixing structure, characterized in that: Includes a housing (1), inside which a lamp plate (2) is detachably installed, and inside which a fixing component (3) for elastically pressing and fixing the lamp plate (2) is installed; The fixing component (3) includes two sets of fixing blocks (31) symmetrically arranged inside the outer shell (1). The middle of each of the two sets of fixing blocks (31) is provided with a rotating hole (32) for the end of the pressure strip (33) to rotate. The two ends of the pressure strip (33) are elastically connected to the rotating hole (32) through a torsion spring (34). The two ends of each set of torsion springs (34) respectively abut against the inner wall of the rotating hole (32) and the outer arc surface of the end of the pressure strip (33). The pressure strip (33) is pressed against the edge of the upper surface of the lamp plate (2) by the elastic force of the torsion spring (34). Two sets of locking blocks (35) to prevent the pressure strip (33) from loosening are symmetrically installed inside the outer shell (1).

2. A downlight with an auxiliary fixing structure according to claim 1, characterized in that: The pressure strip (33) is made of spring steel and bent into shape. The surface of the pressure strip (33) is coated with a high temperature resistant and rust-proof coating.

3. A downlight with an auxiliary fixing structure according to claim 2, characterized in that: The pressure strip (33) is fitted with a protective pad (36) at the contact end with the upper surface of the lamp plate (2), and the lower surface of the protective pad (36) is in contact with the upper surface of the edge of the lamp plate (2).

4. A downlight with an auxiliary fixing structure according to claim 1, characterized in that: Each set of the card blocks (35) has a card slot (37) in the middle, and the middle part of the pressure strip (33) is engaged with the inside of the corresponding card slot (37).

5. A downlight with an auxiliary fixing structure according to claim 1, characterized in that: The fixing block (31), the card block (35) and the inner wall of the outer shell (1) are integrally injection molded, and the outer walls of the fixing block (31) and the card block (35) are provided with several sets of reinforcing ribs (38).

6. A downlight with an auxiliary fixing structure according to claim 1, characterized in that: The outer wall of the outer shell (1) is provided with heat dissipation holes (4) on the outer side of the fixing block (31) and the card block (35), and the cross-section of each set of heat dissipation holes (4) is long strip.

7. A downlight with an auxiliary fixing structure according to claim 6, characterized in that: The upper surface of the lamp panel (2) is provided with a plug-in socket (5), and the side wall of the outer shell (1) is provided with a plug-in interface (6) corresponding to the plug-in socket (5).

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