CN209588001U - A kind of structure for preventing solar street light from intaking - Google Patents

Abstract

The utility model discloses a kind of structures for preventing solar street light from intaking, its structure includes lamp housing sealing ring, lamp plate, circuit board, radiator, inner casing rear cover, outer housing, upper end radiator, inner casing and lamp cover, the weather shield of the utility model avoid tilting and lower rainwater by air inlet heat dissipation seam into enclosure interior；Inner casing is cooperated with lamp cover by boss groove, ring cover is sealed using lamp housing on the outside simultaneously, improve the waterproofness of inner casing and lamp cover, using double-layer structure, make water inlet in shell, also the circuit inside lamp can not be influenced, the design of cooling fin makes internal without can be achieved with radiating with external contact, the cooperation of upper end thermally conductive boss and thermally conductive groove, improve the radiating efficiency and ability of device, air inlet heat dissipation seam accelerates the air passage rates on the inside of outer housing, further improve radiating efficiency, the utility model has original heat-sinking capability compared with similar products, its waterproofness has greatly enhancing.

Description

A kind of structure for preventing solar street light from intaking

Technical field

The utility model belongs to technical field of lighting fixtures；Specifically a kind of structure for preventing solar street light from intaking.

Background technique

Solar street light is powered using crystal silicon solar energy battery, non-maintaining valve-control sealed accumulator (colloid battery) Electric energy is stored, ultra-bright LED lamps and lanterns are controlled as light source, and by intelligent charging-discharging controller, for replacing traditional public power The street lamp of power illumination.Without being laid with cable, without Alternating Current Power Supply, do not generate the electricity charge；Using direct current supply, photosensitive control；Have Stability is good, the service life is long, luminous efficiency is high, installation maintenance simplicity, security performance height, energy conservation and environmental protection, it is economical and practical the advantages that.It can It is widely used in the places such as city primary and secondary arterial highway, cell, factory, tourist attractions, parking lot.

However, its heat dissipation for convenience of existing solar street light, mostly uses greatly heat release hole collocation waterproof and breathable net to carry out Heat dissipation, which cause the waterproof performance of solar street light poor, and inside easily intakes in the biggish rainy day, so as to cause inside Short circuit damages street lamp, and part solar street light is to avoid the situation using full-enclosed structure, this results in street lamp Heat dissipation performance is poor, is easy in long-time use process, causes internal circuit to be damaged since internal temperature can not distribute, thus Street lamp is caused to damage, therefore, a kind of appearance of the good street lampshade structure with good heat radiating ability again of waterproof performance is compeled in eyebrow Eyelash.

Utility model content

The purpose of this utility model is to provide a kind of structures for preventing solar street light from intaking.

The purpose of this utility model can be achieved through the following technical solutions:

A kind of structure for preventing solar street light from intaking, including after lamp housing sealing ring, lamp plate, circuit board, radiator, inner casing Lid, outer housing, upper end radiator, inner casing and lamp cover, the inner casing lower end are equipped with lamp cover, in the lamp housing sealing ring Side wall is covered on inner casing and lamp cover junction lateral wall, and the inner casing rear cover is set to inner casing upper end, and the inner casing is set to outer Enclosure interior, the lamp housing sealing ring lateral wall and outer housing inner sidewall are tightly connected, and the lamp plate is set to circuit board lower end surface, The circuit board is installed on the inside of inner casing, and is fixed on inner casing inner sidewall, and the radiator is connect with circuit board upper surface, and It being fixed on interior shell side wall, the upper end radiator covers after being set to inner casing in radiator upper end face contact, the radiator, and It penetrates inner casing rear cover and stretches in inner casing rear cover upper end.

Further, the lamp housing sealing ring is straight-flanked ring, and lateral wall lower end is inclined outwardly, on the lamp housing sealing ring Equipped with through slot.

Further, the radiator includes heat conducting pipe, the thermally conductive boss in upper end, buckle slot, collecting plate, end-face heat sinking fin And side radiating fin, the thermally conductive boss in upper end are set to collecting plate upper surface middle position, the end-face heat sinking fin is set In collecting plate rear and front end, the side radiating fin is set at left and right sides of collecting plate, the side radiating fin and end face Radiating fin all passes through heat conducting pipe and connect with collecting plate, and the buckle slot is set on the radiating fin of side.

Further, the inner casing rear cover includes that female thread, cover board, upper end heat dissipation seam and rear cover groove, the cover board are Flat rectangle, quadrangle are all fillet, and the female thread is uniformly set on the side of cover board, and the rear cover groove is set under cover board End face edge position, the upper end heat dissipation is seamed in cover board upper surface middle position, and runs through cover board.

Further, it is in bottomless hollow ladder that the outer housing, which includes shell, weather shield and air inlet heat dissipation seam, the shell, Shape, four seamed edges are fillet, and the air inlet heat dissipation is seamed on four sides of shell, and the weather shield is set to air inlet heat dissipation seam Upper end；

The inner sidewall lower end of the shell is tightly affixed with lamp housing sealing ring lateral wall just.

Further, the upper end radiator is made of heat-collecting block and radiating fin, and the radiating fin is set to thermal-arrest Block upper end, the heat-collecting block lower end are equipped with thermally conductive groove, and the thermally conductive groove is matched with the thermally conductive boss in upper end, the heat radiating fin Piece is set in upper end heat dissipation seam, and is radiated to stitch with upper end and be tightly connected.

Further, the inner casing includes that inner casing female thread, end-face heat sinking seam, inner casing lateral grooves, facing groove, side are recessed Slot, side heat dissipation seam, inner casing boss and inner casing groove, the inner casing boss are set on inner casing shell upper surface, the inner casing Hull outside wall lower end surface is equipped with inner casing lateral grooves, and the inner casing groove is set on inner casing shell lower end surface, the inner casing Female thread is set to inner casing hull outside face upper end position, and the facing groove is set on inner casing case inside front and rear end, the end Face heat dissipation is seamed on inner casing hull outside front and rear end, and end-face heat sinking seam is connect through inner casing shell with facing groove, institute Lateral grooves are stated on inner casing case inside left and right side, the side heat dissipation is seamed in inner casing hull outside left and right side On, and side heat dissipation seam is connect through inner casing shell with lateral grooves；

The lateral grooves are matched with side radiating fin, and the fin of side radiating fin is stretched in by side heat dissipation seam Inner casing hull outside, fin and side heat dissipation seam are tightly connected, and the facing groove is matched with end-face heat sinking fin, and end face dissipates The fin of hot fin stretches in inner casing hull outside by end-face heat sinking seam, and fin and end-face heat sinking seam are tightly connected；

The inner casing boss is matched with rear cover groove.

Further, the lamp cover includes groove on the outside of lampshade, lampshade boss, lampshade and buckle, and the buckle is equal Even to be set on lampshade lateral wall, the lampshade boss is set on lampshade upper surface, and groove is set to lampshade upper end on the outside of the lampshade On lateral wall；

The lampshade boss is matched with inner casing groove, and the buckle penetrates through slot and the side of lamp housing sealing ring just Buckle slot on radiating fin is matched with inner casing female thread and female thread respectively；

Groove and lateral grooves are combined as lateral surface groove, the lateral surface groove and lamp housing sealing on the outside of the lampshade Ring inner sidewall matches.

Further, the work step and principle of the utility model:

Rainy waterproof:

1) rainwater avoids lamp housing ponding by flowing on ground on the outside of outer housing along weather shield；

2) weather shield stops inclination and lower rainwater, avoids rainwater by air inlet heat dissipation seam into enclosure interior；

3) lamp cover is cooperated with inner casing by boss groove, and boss is set on the lamp cover of lower end, and rainwater is made to be difficult to pass through The gap of lamp cover and inner casing cooperation enters, while lamp cover and the outer side covering of inner casing cooperation have lamp housing sealing ring, make lampshade Lid and the gap in the gap of inner casing cooperation are capped, further increase the waterproofness of lamp cover and inner casing, cannot be introduced into rainwater In lampshade, lampshade waterproofness is improved；

4) cooperation of lamp housing sealing ring and outer housing makes to form double-layer structure inside the utility model, and internal layer is using sealing Formula combination, to completely cut off the entrance of rainwater completely, even if making water inlet in the utility model shell, rainwater also cannot be introduced into practical In novel inner lamp envelope.

Heat dissipation:

1) heat on lamp plate and circuit board is directed in collecting plate, by heat pipe be directed to end-face heat sinking fin with And in the radiating fin of side, to be made inside temperature conduction to outer housing by end-face heat sinking fin and side radiating fin In air；

2) at the same time, the temperature in collecting plate is imported by the thermally conductive boss in upper end and the thermally conductive groove of upper end radiator Heat-collecting block is distributed temperature in the air to outer housing by the radiating fin of heat-collecting block upper end；

3) air inside outer housing is radiated seam by the air inlet of shell body side surface, constantly with the air outside outer housing Circulation exchange is carried out, exports lamp plate endlessly with the heat on circuit board.

The utility model has the beneficial effects that

1) design of weather shield makes to tilt and lower rainwater is blocked, and avoids rainwater by air inlet heat dissipation seam into shell Portion；Inner casing is cooperated with lamp cover by boss groove, and boss is set on the lamp cover of lower end, is difficult to rainwater by inner casing and lamp The gap of the cover cooperation enters, while inner casing and the outer side covering of lamp cover cooperation have lamp housing sealing ring, make inner casing and lamp cover The gap in the gap of cooperation is capped, further increases the waterproofness of inner casing and lamp cover, cannot be introduced into rainwater in lampshade, mentions High lampshade waterproofness；The cooperation of lamp housing sealing ring and outer housing makes to form double-layer structure inside the utility model, and internal layer is using close An envelope formula combination, to completely cut off the entrance of rainwater completely, even if water inlet in the utility model shell, rainwater also cannot be introduced into practical In novel inner lamp envelope；

2) by using multiple cooling fins, make not needing to can be realized as with external contact inside the utility model outside interior temperature It leads, realizes that heat dissipation effect, upper end radiator and radiator pass through the cooperation of upper end thermally conductive boss and thermally conductive groove, upper end accelerated to dissipate The heat transfer efficiency of hot device to improve the radiating rate of upper end radiator, and then improves the radiating efficiency of single unit system and dissipates Thermal energy power, the air inlet of outer housing lateral wall, which radiates, to be stitched, and accelerates the air passage rates on the inside of outer housing, to further increase The radiating efficiency of the utility model.

The utility model has original heat-sinking capability compared with similar products, and waterproofness then has great enhancing.

Detailed description of the invention

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.

Fig. 1 is a kind of overall construction drawing for preventing solar street light from intaking of the utility model；

Fig. 2 is a kind of overall assembling figure for preventing solar street light from intaking of the utility model；

Fig. 3 is a kind of structural schematic diagram for the lamp housing sealing ring for preventing solar street light from intaking of the utility model；

Fig. 4 is a kind of structural schematic diagram for the radiator for preventing solar street light from intaking of the utility model；

Fig. 5 is a kind of structural schematic diagram of the inner casing rear cover for the structure for preventing solar street light from intaking of the utility model；

Fig. 6 is a kind of structural schematic diagram for the outer housing for preventing solar street light from intaking of the utility model；

Fig. 7 is a kind of structural schematic diagram for the inner casing for preventing solar street light from intaking of the utility model；

Fig. 8 is a kind of structural schematic diagram for the lamp cover for preventing solar street light from intaking of the utility model.

Specific embodiment

It please refers to shown in Fig. 1-8, a kind of structure for preventing solar street light from intaking, including lamp housing sealing ring 1, lamp plate 2, electricity Road plate 3, radiator 4, inner casing rear cover 5, outer housing 6, upper end radiator 7, inner casing 8 and lamp cover 9,8 lower end of inner casing are equipped with Lamp cover 9,1 inner sidewall of lamp housing sealing ring are covered on inner casing 8 and 9 junction lateral wall of lamp cover, and inner casing rear cover 5 is set to inner casing 8 upper ends, inner casing 8 are set to inside outer housing 6, and 1 lateral wall of lamp housing sealing ring and 6 inner sidewall of outer housing are tightly connected, and lamp plate 2 is set to 3 lower end surface of circuit board, circuit board 3 is installed on 8 inside of inner casing, and is fixed on 8 inner sidewall of inner casing, on radiator 4 and circuit board 3 End face connection, and be fixed on 8 side wall of inner casing, upper end radiator 7 is in 4 upper end face contact of radiator, after radiator 4 is set to inner casing On lid 5, and penetrates inner casing rear cover 5 and stretch in 5 upper end of inner casing rear cover.

As shown in figure 3, lamp housing sealing ring 1 is straight-flanked ring, lateral wall lower end is inclined outwardly, and lamp housing sealing ring 1 is equipped with Through slot.

As shown in figure 4, radiator 4 is dissipated including heat conducting pipe 41, the thermally conductive boss 42 in upper end, buckle slot 43, collecting plate 44, end face Hot fin 45 and side radiating fin 46, the thermally conductive boss 42 in upper end are set to 44 upper surface middle position of collecting plate, end-face heat sinking Fin 45 is set to 44 rear and front end of collecting plate, and side radiating fin 46 is set to 44 left and right sides of collecting plate, side radiating fin 46 And end-face heat sinking fin 45 is all connect by heat conducting pipe 41 with collecting plate 44, buckle slot 43 is set on side radiating fin 46.

As shown in figure 5, inner casing rear cover 5 includes female thread 51, cover board 52, upper end heat dissipation seam 53 and rear cover groove 54, cover board 52 be flat rectangle, and quadrangle is all fillet, and for female thread 51 uniformly on the side of cover board 52, rear cover groove 54 is set to cover board 52 lower end surface marginal positions, upper end heat dissipation seam 53 is set to 52 upper surface middle position of cover board, and runs through cover board 52.

As shown in fig. 6, outer housing 6 includes shell 61, weather shield 62 and air inlet heat dissipation seam 63, shell 61 is in bottomless hollow Trapezoidal, four seamed edges are fillet, and air inlet heat dissipation seam 63 is set on 61 4 sides of shell, and weather shield 62 is set to air inlet heat dissipation seam 63 upper ends.

The inner sidewall lower end of shell 61 is tightly affixed with 1 lateral wall of lamp housing sealing ring just.

Upper end radiator 7 is made of heat-collecting block and radiating fin, and radiating fin is set to heat-collecting block upper end, heat-collecting block lower end Equipped with thermally conductive groove, thermally conductive groove is matched with the thermally conductive boss 42 in upper end, radiating fin be set to upper end heat dissipation seam 53 in, and with it is upper End heat dissipation seam 53 is tightly connected.

As shown in fig. 7, inner casing 8 include inner casing female thread 81, end-face heat sinking seam 82, inner casing lateral grooves 83, facing groove 84, Lateral grooves 85, side heat dissipation seam 86, inner casing boss 87 and inner casing groove 88, inner casing boss 87 are set to 89 upper end of inner casing shell On face, 89 lateral wall lower end surface of inner casing shell is equipped with inner casing lateral grooves 83, and inner casing groove 88 is set to 89 lower end of inner casing shell On face, inner casing female thread 81 is set to 89 lateral surface upper end position of inner casing shell, and it is forward and backward that facing groove 84 is set to 89 inside of inner casing shell On end face, end-face heat sinking seam 82 is set on 89 outside front and rear end of inner casing shell, and end-face heat sinking seam 82 runs through inner casing shell 89 It is connect with facing groove 84, lateral grooves 85 are set on 89 inside left and right side of inner casing shell, and side heat dissipation seam 86 is set to inner casing On 89 outside left and right side of shell, and side heat dissipation seam 86 is connect through inner casing shell 89 with lateral grooves 85.

Lateral grooves 85 are matched with side radiating fin 46, and the fin of side radiating fin 46 passes through side heat dissipation seam 86 89 outside of inner casing shell is stretched in, fin and side heat dissipation seam 86 are tightly connected, and facing groove 84 and end-face heat sinking fin 45 match It closes, the fin of end-face heat sinking fin 45 stretches in 89 outside of inner casing shell, fin and end-face heat sinking seam 82 by end-face heat sinking seam 82 It is tightly connected.

Inner casing boss 87 is matched with rear cover groove 54.

As shown in figure 8, lamp cover 9 includes groove 91 on the outside of lampshade, lampshade boss 92, lampshade 93 and buckle 94, buckle 94 are uniformly set on 93 lateral wall of lampshade, and lampshade boss 92 is set on 93 upper surface of lampshade, and groove 91 is set to lampshade on the outside of lampshade On 93 upper end lateral walls.

Lampshade boss 92 is matched with inner casing groove 88, and buckle 94 penetrates through slot and the side of lamp housing sealing ring 1 just Buckle slot 43 on radiating fin 46 is matched with inner casing female thread 81 and female thread 51 respectively.

Groove 91 and lateral grooves 85 are combined as lateral surface groove, lateral surface groove and lamp housing sealing ring 1 on the outside of lampshade Inner sidewall matches.

The work step and principle of the utility model:

Rainy waterproof:

1) rainwater is flowed on ground by 6 outside of outer housing along weather shield 62, avoids lamp housing ponding；

2) weather shield 62 stops inclination and lower rainwater, avoids rainwater by air inlet heat dissipation seam 63 into enclosure interior；

3) lamp cover 9 is cooperated with inner casing 8 by boss groove, and boss is set on the lamp cover 9 of lower end, and rainwater is made to be difficult to lead to It crosses the gap that lamp cover 9 and inner casing 8 cooperate to enter, while the outer side covering that lamp cover 9 and inner casing 8 cooperate has lamp housing sealing ring 1, The gap in the gap for cooperating lamp cover 9 and inner casing 8 is capped, further increases the waterproofness of lamp cover 9 Yu inner casing 8, makes rain Water cannot be introduced into lampshade, improve lampshade waterproofness；

4) cooperation of lamp housing sealing ring 1 and outer housing 6 makes to form double-layer structure inside the utility model, and internal layer is using close Envelope formula combination, to completely cut off the entrance of rainwater completely, even if water inlet, rainwater in the utility model shell is made also to cannot be introduced into this reality With in novel inner lamp envelope.

Heat dissipation:

1) heat on lamp plate 2 and circuit board 3 is directed in collecting plate 44, is directed to end-face heat sinking by heat pipe 41 In fin 45 and side radiating fin 46, to make temperature conduction by end-face heat sinking fin 45 and side radiating fin 46 In air inside to outer housing 6；

2) at the same time, the thermally conductive groove quilt that the temperature in collecting plate 44 passes through upper end thermally conductive boss 42 and upper end radiator Heat-collecting block is imported, is distributed temperature into the air inside outer housing 6 by the radiating fin of heat-collecting block upper end；

3) air inside outer housing 6 stitches 63, constantly and outside outer housing 6 by the air inlet heat dissipation of 6 side of outer housing Air carry out circulation exchange, export lamp plate 2 endlessly with the heat on circuit board 3.

Above content is only to the utility model structure example and explanation, the technology people of affiliated the art Member makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from reality With novel structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.

Claims (8)

1. a kind of structure for preventing solar street light from intaking, including lamp housing sealing ring (1), lamp plate (2), circuit board (3), radiator (4), inner casing rear cover (5), outer housing (6), upper end radiator (7), inner casing (8) and lamp cover (9), which is characterized in that described Inner casing (8) lower end is equipped with lamp cover (9), and lamp housing sealing ring (1) inner sidewall is covered in inner casing (8) and lamp cover (9) even It connects on place's lateral wall, the inner casing rear cover (5) is set to inner casing (8) upper end, and the inner casing (8) is set to outer housing (6) inside, described Lamp housing sealing ring (1) lateral wall and outer housing (6) inner sidewall are tightly connected, and the lamp plate (2) is set to circuit board (3) lower end surface, The circuit board (3) is installed on the inside of inner casing (8), and is fixed on inner casing (8) inner sidewall, the radiator (4) and circuit board (3) upper surface connects, and is fixed on inner casing (8) side wall, and the upper end radiator (7) is in radiator (4) upper end face contact, institute Radiator (4) are stated on inner casing rear cover (5), and penetrates inner casing rear cover (5) and stretches in inner casing rear cover (5) upper end.

2. a kind of structure for preventing solar street light from intaking according to claim 1, which is characterized in that the lamp housing sealing Ring (1) is straight-flanked ring, and lateral wall lower end is inclined outwardly, and the lamp housing sealing ring (1) is equipped with through slot.

3. a kind of structure for preventing solar street light from intaking according to claim 1, which is characterized in that the radiator (4) include heat conducting pipe (41), the thermally conductive boss in upper end (42), buckle slot (43), collecting plate (44), end-face heat sinking fin (45) and Side radiating fin (46), the thermally conductive boss in upper end (42) are set to collecting plate (44) upper surface middle position, and the end face dissipates Hot fin (45) is set to collecting plate (44) rear and front end, and the side radiating fin (46) is set at left and right sides of collecting plate (44), The side radiating fin (46) and end-face heat sinking fin (45) are all connect by heat conducting pipe (41) with collecting plate (44), described Buckle slot (43) is set on side radiating fin (46).

4. a kind of structure for preventing solar street light from intaking according to claim 1, which is characterized in that the inner casing rear cover It (5) include female thread (51), cover board (52), upper end heat dissipation seam (53) and rear cover groove (54), the cover board (52) is flat Rectangle, quadrangle are all fillet, and uniformly on the side of cover board (52), the rear cover groove (54) is set to the female thread (51) Cover board (52) lower end surface marginal position, the upper end heat dissipation seam (53) are set to cover board (52) upper surface middle position, and through lid Plate (52).

5. a kind of structure for preventing solar street light from intaking according to claim 1, which is characterized in that the outer housing It (6) include shell (61), weather shield (62) and air inlet heat dissipation seam (63), the shell (61) is in bottomless hollow trapezoidal, and four Seamed edge is fillet, and the air inlet heat dissipation seam (63) is set on (61) four sides of shell, and the weather shield (62), which is set to, enters the wind Heat dissipation seam (63) upper end；

The inner sidewall lower end of the shell (61) is tightly affixed with lamp housing sealing ring (1) lateral wall just.

6. a kind of structure for preventing solar street light from intaking according to claim 1, which is characterized in that the upper end heat dissipation Device (7) is made of heat-collecting block and radiating fin, and the radiating fin is set to heat-collecting block upper end, and the heat-collecting block lower end is equipped with and leads Hot groove, the thermally conductive groove are matched with the thermally conductive boss in upper end (42), and the radiating fin is set in upper end heat dissipation seam (53), And it radiates with upper end and stitches (53) sealed connection.

7. a kind of structure for preventing solar street light from intaking according to claim 1, which is characterized in that the inner casing (8) (82), inner casing lateral grooves (83), facing groove (84), lateral grooves (85), side are stitched including inner casing female thread (81), end-face heat sinking Face heat dissipation seam (86), inner casing boss (87) and inner casing groove (88), the inner casing boss (87) are set on inner casing shell (89) On end face, inner casing shell (89) the lateral wall lower end surface is equipped with inner casing lateral grooves (83), and the inner casing groove (88) sets In on inner casing shell (89) lower end surface, the inner casing female thread (81) is set to inner casing shell (89) lateral surface upper end position, the end Face groove (84) is set on the inside of inner casing shell (89) on front and rear end, and the end-face heat sinking seam (82) is set to inner casing shell (89) On the front and rear end of outside, and end-face heat sinking seam (82) is connect through inner casing shell (89) with facing groove (84), and the side is recessed Slot (85) is set on the inside of inner casing shell (89) on left and right side, and the side heat dissipation seam (86) is set on the outside of inner casing shell (89) On left and right side, and side heat dissipation seam (86) is connect through inner casing shell (89) with lateral grooves (85)；

The lateral grooves (85) match with side radiating fin (46), and the fin of side radiating fin (46) is dissipated by side Heat seam (86) stretches on the outside of inner casing shell (89), and fin and side heat dissipation seam (86) are tightly connected, the facing groove (84) with End-face heat sinking fin (45) matches, and the fin of end-face heat sinking fin (45) stretches in inner casing shell by end-face heat sinking seam (82) (89) outside, fin and end-face heat sinking seam (82) are tightly connected；

The inner casing boss (87) matches with rear cover groove (54).

8. a kind of structure for preventing solar street light from intaking according to claim 7, which is characterized in that the lamp cover It (9) include that groove on the outside of lampshade (91), lampshade boss (92), lampshade (93) and buckle (94), the buckle (94) uniformly set In on lampshade (93) lateral wall, the lampshade boss (92) is set on lampshade (93) upper surface, groove (91) on the outside of the lampshade On the lateral wall of lampshade (93) upper end；

The lampshade boss (92) matches with inner casing groove (88), and the buckle (94) penetrates lamp housing sealing ring (1) just Buckle slot (43) on through slot and side radiating fin (46) is matched with inner casing female thread (81) and female thread (51) respectively；

Groove (91) and lateral grooves (85) are combined as lateral surface groove, the lateral surface groove and lamp housing on the outside of the lampshade Sealing ring (1) inner sidewall matches.