Illuminating lamp and clothes dryer

Abstract

The embodiment of the utility model discloses a lighting lamp and a clothes dryer. The lighting lamp comprises a lampshade, a sealing piece and a light source plate. The lampshade comprises a lampshade body and an annular boss, a containing cavity with an opening is defined in the lampshade body, and the annular boss extends in the circumferential direction of the containing cavity. The light source plate is arranged in the containing cavity and comprises a plate body and LED lamp beads arranged on the plate body. The sealing piece is annular and elastically connected between the annular boss and the edge of the plate body in an abutting mode, a light source cavity is defined by the plate body and the lampshade in an enclosed mode, the LED lamp beads are located in the light source cavity, the sealing piece is adopted for sealing the light source cavity to guarantee the waterproof sealing performance of the LED lamp beads, and therefore the service life of the LED lamp beads is prolonged, assembling is simple and efficient in a mechanical sealing mode, and cost is low. And batch production of the lighting lamp is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of household lighting, in particular to a lighting fixture and a clothes dryer. Background Art

[0002] With the development of society, clothes dryers are used more and more frequently. At present, some clothes dryers on the market are equipped with lighting fixtures, which are used to enhance the light inside the dryer barrel. Because clothes dryers have a special use environment with high temperature and high humidity, the LED of the lighting fixture needs to have the characteristics of high temperature resistance and good waterproof performance. In order to achieve better sealing, the dryer lights on the market usually use sealant to ensure waterproofness, but the glue filling process is complicated and the curing of the glue takes a lot of time, which is not conducive to the mass production of dryer lights. Utility Model Content

[0003] The utility model aims to propose a lighting fixture and a clothes dryer, aiming to solve the problem that the existing clothes dryer lamps usually adopt a sealing glue filling method to ensure waterproofness, the glue filling process is complicated, and the curing of the glue requires a lot of time, which is not conducive to the mass production of clothes dryer lamps.

[0004] In a first aspect, the utility model provides a lighting fixture, the lighting fixture comprising a lampshade, a sealing member and a light source plate;

[0005] The lampshade comprises a lampshade body and an annular boss, wherein a receiving cavity with an opening is defined in the lampshade body, and the annular boss extends along the circumference of the receiving cavity;

[0006] The light source board is placed in the accommodating cavity, and the light source board includes a board body and LED lamp beads arranged on the board body;

[0007] The sealing member is annular and elastically abuts between the annular boss and the edge of the plate body. The plate body and the lampshade define a light source cavity, and the LED lamp bead is located in the light source cavity.

[0008] In one embodiment, the lighting fixture further includes a heat sink, and the lampshade further includes a first buckle, and the first buckle is arranged adjacent to the edge of the opening;

[0009] At least a portion of the radiator is located in the accommodating cavity, and the first buckle is suitable for being engaged with the radiator; when the radiator is engaged with the first buckle, at least a portion of the radiator abuts against the plate body.

[0010] In one embodiment, a side wall of the accommodating cavity is provided with a positioning groove, and the positioning groove extends from the edge of the opening along the axial direction of the lampshade to a position adjacent to the annular boss, and an edge of the plate body is provided with a positioning protrusion adapted to the positioning groove.

[0011] In one embodiment, a positioning groove is provided on the heat sink, and the positioning groove is suitable for being engaged with the first buckle;

[0012] The lampshade comprises at least two of the first buckles, which are arranged at intervals along the circumference of the opening, and the heat sink comprises at least two of the positioning grooves, each of the first buckles is suitable for engaging with the positioning groove; and / or,

[0013] The lampshade is provided with at least two positioning grooves, each of which is spaced apart along the circumference of the lampshade; the plate body is provided with at least two positioning protrusions, each of which is spaced apart along the circumferential edge of the plate body.

[0014] In one embodiment, the lighting fixture further includes a connecting line, the plate body includes a first surface and a second surface arranged opposite to each other, the first surface and the lampshade are enclosed to form the light source cavity, and the LED lamp beads are located on the first surface;

[0015] The board body is provided with a via hole penetrating the first surface and the second surface, the first surface is provided with a pad surrounding the via hole, the connecting wire can pass through the via hole from the second surface and extend into the first surface, and the connecting wire is welded to the pad.

[0016] In one embodiment, the heat sink is provided with an avoidance hole, and the avoidance hole is used to avoid the connecting wire;

[0017] There are two connecting lines, and there are two avoidance holes, two via holes and two pads respectively, which are arranged in one-to-one correspondence with the connecting lines respectively.

[0018] In one embodiment, the heat sink is a metal cylinder, and the cross-sectional shape of the plate body, the cross-sectional shape of the heat sink and the cross-sectional shape of the accommodating cavity are the same; and / or,

[0019] The wire diameter of the connecting wire is L, the hole diameter of the avoidance hole is D, and 2L≤D≤3L.

[0020] In one embodiment, the lighting fixture further includes a plug connector, one end of the connecting wire is welded to the welding pad, and the other end is connected to the plug connector.

[0021] In a second aspect, the utility model further provides a clothes dryer, comprising a dryer body and a lighting fixture according to any one of the above embodiments, wherein the lighting fixture is installed in a clothes drum of the dryer body.

[0022] In one of the embodiments, the lampshade also includes a second buckle, which is located on the outer wall of the lampshade body. The clothes barrel is provided with a plug-in slot suitable for cooperating with the second buckle. When the lighting fixture is inserted into the plug-in slot, the second buckle is engaged and connected with the slot wall of the plug-in slot.

[0023] The following beneficial effects are achieved by using the embodiments of the present invention:

[0024] In the lighting fixture and clothes dryer of the utility model, the sealing member elastically abuts between the annular boss and the edge of the plate body, the plate body and the lampshade enclose and define a light source cavity, the LED lamp beads are located in the light source cavity, and the sealing member is used to seal the light source cavity to ensure the waterproof sealing of the LED lamp beads, thereby extending the service life of the LED lamp beads. The mechanical sealing method is simple and efficient to assemble, and is convenient for mass production of lighting fixtures. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] in:

[0027] Figure 1 FIG. 4 is a schematic diagram of a lighting fixture in an embodiment.

[0028] Figure 2 for Figure 1 A cross-sectional view of the lighting fixture shown.

[0029] Figure 3 for Figure 2 Enlarged schematic diagram of part A in the middle.

[0030] Figure 4 for Figure 1 Exploded view of the lighting fixture shown.

[0031] Figure 5 for Figure 1 Schematic diagram of the lampshade in the lighting fixture shown.

[0032] Figure 6 for Figure 1 Schematic diagram of the light source panel in the lighting fixture shown.

[0033] Figure 7 for Figure 1 Schematic diagram of a heat sink in the lighting fixture shown.

[0034] Figure numbers: 100, lampshade; 110, accommodating cavity; 120, annular boss; 130, light-transmitting portion; 140, first buckle; 150, opening; 160, positioning groove; 170, second buckle; 180, side opening; 190, lampshade body; 101, light source cavity; 200, sealing member; 300, light source board; 310, board body; 311, positioning protrusion; 312, first surface; 313, second surface; 314, through hole; 315, solder pad; 320, LED lamp bead; 400, heat sink; 410, positioning groove; 420, avoidance hole; 500, connecting wire; 600, plug connector. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0037] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the said features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0038] See also Figures 1 to 6The utility model provides a lighting fixture, which includes a lampshade 100, a sealing member 200 and a light source board 300. The lampshade 100 includes a lampshade body 190 and an annular boss 120. The lampshade body 190 defines a receiving cavity 110 with an opening 150. The annular boss 120 extends along the circumference of the receiving cavity 110. The light source board 300 is placed in the receiving cavity 110. The light source board 300 includes a board body 310 and LED lamp beads 320 arranged on the board body 310. The seal 200 is annular and elastically abuts between the annular boss 120 and the edge of the plate 310. The plate 310 and the lampshade 100 enclose and define a light source cavity 101. The LED lamp bead 320 is located in the light source cavity 101. The seal 200 is used to seal the light source cavity 101 to ensure the waterproof sealing of the LED lamp bead 320, thereby extending the service life of the LED lamp bead 320. The mechanical sealing method is simple and efficient to assemble, which is convenient for mass production of lighting fixtures and reduces the production cost of lighting fixtures. It can be understood that since the sealing of the lighting fixture is achieved by assembling the seal 200, it is convenient to disassemble and repair the lighting fixture after the lighting fixture fails. The lighting fixture of this embodiment can be used in products with high temperature and high humidity such as dryers, washing machines, and dishwashers.

[0039] In this embodiment, the lampshade 100 is a structural member made of high temperature resistant PC material, and a light-transmitting portion 130 arranged opposite to the light source board 300 is arranged in the lampshade 100. The light-transmitting portion 130 is an arc structure formed by the wall surface of the lampshade 100 protruding in the direction away from the light source board 300, and the annular boss 120 is arranged around the light-transmitting portion 130. Specifically, the seal 200 is an annular seal 200 made of high temperature resistant silicone rubber material, which realizes mechanical sealing through its high elasticity and deformation characteristics, and the seal 200 can be selected as a square ring. Further, a plurality of LED lamp beads 320 are provided, and are distributed on the plate body 310 at intervals.

[0040] In one embodiment, please refer to Figure 7 The lighting fixture also includes a radiator 400, and the lampshade 100 also includes a first buckle 140, which is arranged adjacent to the edge of the opening 150; at least a portion of the radiator 400 is located in the accommodating cavity 110, and the first buckle 140 is suitable for being snapped with the radiator 400; when the radiator 400 is snapped with the first buckle 140, at least a portion of the radiator 400 abuts against the plate body 310.

[0041] Through such an arrangement, on the one hand, through the arrangement of the heat sink 400, the heat dissipation efficiency of the light source board 300 can be improved, thereby enhancing the high temperature resistance of the light source board 300, which is convenient for the application of the lighting fixture in a high temperature environment; on the other hand, through the assembly restriction of the heat sink 400 by the first buckle 140, the plate body 310 can cause the seal 200 to abut against the annular boss 120, so as to stably assemble the seal 200 between the annular boss 120 and the edge of the plate body 310, thereby ensuring the waterproof sealing performance of the light source cavity 101, which is convenient for the application of the lighting fixture in a high humidity environment.

[0042] Specifically, the side wall of the lampshade body 190 is further provided with a side opening 180 communicating with the accommodating cavity 110 . The side opening 180 is used to expose the heat sink 400 , thereby enhancing the heat dissipation performance of the heat sink 400 .

[0043] In one embodiment, see Figures 1 to 7 The side wall of the accommodating cavity 110 is provided with a positioning groove 160, and the positioning groove 160 extends from the edge of the opening 150 along the axial direction of the lampshade 100 to the vicinity of the annular boss 120. The edge of the plate body 310 is provided with a positioning protrusion 311 adapted to the positioning groove 160, thereby facilitating the positioning setting of the plate body 310 in the accommodating cavity 110.

[0044] Furthermore, at least two positioning grooves 160 are provided on the lampshade 100, and each positioning groove 160 is arranged at intervals along the circumference of the lampshade 100. At least two positioning protrusions 311 are provided on the plate body 310, and the positioning protrusions 311 are arranged at intervals along the circumferential edge of the plate body 310, thereby ensuring the stability and reliability of the assembly of the plate body 310 in the accommodating cavity 110.

[0045] Specifically, the radiator 400 is provided with a positioning groove 410, and the positioning groove 410 is suitable for being snap-connected with the first clip 140; the lampshade 100 includes at least two first clips 140, and the first clips 140 are arranged at intervals along the circumference of the opening 150. The radiator 400 includes at least two positioning grooves 410, and each of the first clips 140 is suitable for being snap-connected with the positioning groove 410. Through such an arrangement, the radiator 400 can be stably snap-connected and fixed in the accommodating cavity 110.

[0046] In one embodiment, see Figures 1 to 7The lighting fixture also includes a connecting wire 500. The board 310 includes a first surface 312 and a second surface 313 that are arranged opposite to each other. The first surface 312 and the lampshade 100 are combined to form a light source cavity 101. The LED lamp bead 320 is located on the first surface 312. A through hole 314 that passes through the first surface 312 and the second surface 313 is provided on the board 310. A soldering pad 315 that is arranged around the through hole 314 is provided on the first surface 312. The connecting wire 500 can pass through the through hole 314 from the second surface 313 and extend into the first surface 312. The connecting wire 500 is welded to the soldering pad 315. By welding the connecting wire 500 to the soldering pad 315, the sealing welding of the through hole 314 can be achieved, thereby preventing water vapor from entering the light source cavity 101 through the through hole 314, and further ensuring the waterproof sealing of the light source cavity 101.

[0047] In one embodiment, see Figures 1 to 7 , the heat sink 400 is provided with an avoidance hole 420, and the avoidance hole 420 is used to avoid the connecting wire 500; there are two connecting wires 500, and the avoidance hole 420, the through hole 314 and the soldering pad 315 are respectively provided with two, and are respectively arranged in a one-to-one correspondence with each connecting wire 500, so as to complete the external wiring connection of the light source board 300. It can be understood that, through the positioning protrusion 311 on the plate body 310 and the positioning groove 160 in the accommodating cavity 110, the plate body 310 can be installed at a preset position in the accommodating cavity 110, and through the positioning groove 410 on the heat sink 400 and the first buckle 140 on the lampshade 100, the heat sink 400 can be installed at a preset position in the accommodating cavity 110, so as to achieve the avoidance hole 420, the through hole 314 and the soldering pad 315 are respectively provided with two, and are respectively arranged in a one-to-one correspondence with each connecting wire 500.

[0048] Furthermore, the lighting fixture also includes a plug connector 600, one end of the connecting wire 500 is welded to the pad 315, and the other end is connected to the plug connector 600, so that the external power supply is connected through the plug connector 600, which can improve the wiring installation efficiency of the lighting fixture.

[0049] Specifically, the radiator 400 is a metal cylinder, and the cross-sectional shape of the plate body 310 and the cross-sectional shape of the radiator 400 are the same as the cross-sectional shape of the accommodating cavity 110, so as to facilitate the assembly of the plate body 310 and the radiator 400 on the accommodating cavity 110. Further, the radiator 400 can be selected as a square cylinder structure made of aluminum metal spinning or stamping, so that the wall thickness of the radiator 400 is uniform, which can ensure the heat dissipation efficiency of the radiator 400, the plate body 310 is square, and the radial cross-section of the accommodating cavity 110 is square and matches the shape of the plate body 310. Of course, the radiator 400 can also be a heat dissipation structure made of other high-introduction performance materials such as copper, iron or tungsten. Further, the wire diameter of the connecting wire 500 is L, and the aperture of the avoidance hole 420 is D, 2L≤D≤3L, so as to avoid the connecting wire 500 from touching the radiator 400 and causing a short circuit. Of course, in other embodiments, the heat sink 400 may also be a cylindrical structure made of aluminum metal spinning or stamping, the plate body 310 may also be circular, and the radial cross-section of the accommodating cavity 110 may also be circular and compatible with the shape of the plate body 310.

[0050] See also Figures 1 to 7 The utility model also provides a clothes dryer, which includes a machine body and a lighting fixture of any of the above embodiments, and the lighting fixture is installed in the clothes barrel of the machine body. It can be understood that the seal 200 elastically abuts between the annular boss 120 and the edge of the plate 310, the plate 310 and the lampshade 100 enclose and define the light source cavity 101, and the LED lamp bead 320 is located in the light source cavity 101. The seal 200 is used to seal the light source cavity 101 to ensure the waterproof sealing of the LED lamp bead 320. The mechanical sealing method is simple and efficient to assemble, which is convenient for mass production of lighting fixtures and clothes dryers, and reduces the production cost of lighting fixtures and clothes dryers.

[0051] In one embodiment, the lampshade 100 further includes a second buckle 170, which is located on the outer wall of the lampshade body 190, and the clothes barrel is provided with a plug-in slot suitable for cooperating with the second buckle 170. When the lighting fixture is inserted into the plug-in slot, the second buckle 170 is engaged with the slot wall of the plug-in slot, thereby facilitating the rapid assembly of the lighting fixture on the clothes dryer, and the installation structure is simple. Further, the lampshade 100 includes at least two second buckles 170, which are arranged at intervals along the circumference of the opening 150.

[0052] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A lighting fixture, characterized in that: The lighting fixture comprises a lampshade, a sealing member and a light source plate; The lampshade comprises a lampshade body and an annular boss, wherein a receiving cavity with an opening is defined in the lampshade body, and the annular boss extends along the circumference of the receiving cavity; The light source board is placed in the accommodating cavity, and the light source board includes a board body and LED lamp beads arranged on the board body; The sealing member is annular and elastically abuts between the annular boss and the edge of the plate body. The plate body and the lampshade define a light source cavity, and the LED lamp bead is located in the light source cavity.

2. The lighting fixture according to claim 1, characterized in that: The lighting fixture further includes a heat sink, and the lampshade further includes a first buckle, and the first buckle is arranged adjacent to the edge of the opening; At least a portion of the radiator is located in the accommodating cavity, and the first buckle is suitable for being engaged with the radiator; when the radiator is engaged with the first buckle, at least a portion of the radiator abuts against the plate body.

3. The lighting fixture according to claim 2, characterized in that: The side wall of the accommodating cavity is provided with a positioning groove, and the positioning groove extends from the edge of the opening along the axial direction of the lampshade to a position adjacent to the annular boss, and the edge of the plate body is provided with a positioning protrusion adapted to the positioning groove.

4. The lighting fixture according to claim 3, characterized in that: The heat sink is provided with a positioning groove, and the positioning groove is suitable for being engaged with the first buckle; The lampshade comprises at least two of the first buckles, which are arranged at intervals along the circumference of the opening, and the heat sink comprises at least two of the positioning grooves, each of the first buckles is suitable for engaging with the positioning groove; and / or, The lampshade is provided with at least two positioning grooves, each of which is spaced apart along the circumference of the lampshade; the plate body is provided with at least two positioning protrusions, each of which is spaced apart along the circumferential edge of the plate body.

5. The lighting fixture according to claim 2, characterized in that: The lighting fixture further includes a connecting line, the plate body includes a first surface and a second surface arranged opposite to each other, the first surface and the lampshade are enclosed to form the light source cavity, and the LED lamp beads are located on the first surface; The board body is provided with a via hole penetrating the first surface and the second surface, the first surface is provided with a pad surrounding the via hole, the connecting wire can pass through the via hole from the second surface and extend into the first surface, and the connecting wire is welded to the pad.

6. The lighting fixture according to claim 5, characterized in that: The radiator is provided with an avoidance hole, and the avoidance hole is used to avoid the connecting wire; There are two connecting lines, and there are two avoidance holes, two via holes and two pads respectively, which are arranged in one-to-one correspondence with the connecting lines respectively.

7. The lighting fixture according to claim 6, characterized in that: The heat sink is a metal cylinder, and the cross-sectional shape of the plate body, the cross-sectional shape of the heat sink and the cross-sectional shape of the accommodating cavity are the same; and / or, The wire diameter of the connecting wire is L, the hole diameter of the avoidance hole is D, and 2L≤D≤3L.

8. The lighting fixture according to claim 5, characterized in that: The lighting fixture also includes a plug connector, one end of the connecting wire is welded to the welding pad, and the other end is connected to the plug connector.

9. A clothes dryer, characterized in that: The clothes dryer comprises a dryer body and the lighting fixture according to any one of claims 1 to 8, wherein the lighting fixture is installed in a clothes drum of the dryer body.

10. The clothes dryer according to claim 9, characterized in that: The lampshade also includes a second buckle, which is located on the outer wall of the lampshade body. The clothes tube is provided with a plug-in slot suitable for cooperating with the second buckle. When the lighting fixture is inserted into the plug-in slot, the second buckle is engaged and connected with the slot wall of the plug-in slot.

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