CN103712175B - Lamp casing structure and lamps and lanterns with the lamp casing structure - Google Patents

Abstract

A kind of lamp casing structure and the lamps and lanterns with the lamp casing structure, the lamp casing structure include：There is first shell the first opening, the outer surface of first shell to be equipped with the first fixed ear and shaft, and the first fixed ear is close to the first opening setting, and shaft is compared with the first fixed ear far from the first opening setting；Locating piece, both ends are respectively equipped with the first axle sleeve and the second axle sleeve, and the first axle sleeve can be sheathed in shaft；Second shell has the second opening；Movable joint check lock lever is set to the outer surface of second shell, and is arranged close to the second opening, and movable joint check lock lever one end is rotatably connected with second shell, and the other end is equipped with location hole；Spacer pin is interspersed in location hole；Cutting ferrule is sheathed on movable joint check lock lever, and is limited pin blocking；Elastic component is sheathed on movable joint check lock lever, and is connected between the first fixed ear and cutting ferrule.Above-mentioned lamp casing structure installation or removal are more convenient, and sealing reliability is preferable.

Description

Lamp casing structure and lamps and lanterns with the lamp casing structure

【Technical field】

The present invention relates to a kind of lamp casing structures, a kind of lamp casing structure more particularly to convenient disassembly and have The lamps and lanterns of the lamp casing structure.

【Background technology】

Current lamp casing structure common on the market, typically uses eyelet bolt, wing nut, plain washer, spring The light cover of lamps and lanterns is locked and opened to washer.The significant drawback of this lamp casing structure is exactly：On the one hand due to requirement for anticorrosion So that eyelet bolt and wing nut are impermeable steel material simultaneously, and the screw-thread fit of same material is existing it is easy to appear killing As being difficult to dismantle once occurring killing phenomenon may result in；On the other hand because of eyelet bolt since long-time stress leads to fatigue It loosens, the hidden danger for making it deviate from from U-lag, so as to cause the hidden danger of seal failure.

【Invention content】

In view of above-mentioned condition, it is necessary to which a kind of convenient disassembly and the preferable lamp casing structure of sealing reliability are provided.

A kind of lamp casing structure comprising：

There is first shell the first opening, the outer surface of the first shell to be equipped with the first fixed ear, and described first fixes Ear is close to the first opening setting；

Shaft is fixed on the outer surface of the first shell, and first fixed ear is far from first opening Setting；

Locating piece, both ends are respectively equipped with the first axle sleeve and the second axle sleeve, and first axle sleeve can be sheathed on the shaft On；

There is second shell the second opening, first opening to be tightly connected with the second opening；And

Movable joint check lock lever is set to the outer surface of the second shell, and close to the second opening setting, the movable joint lock Tight bar one end is rotatably connected with the second shell, and the other end is free end, and the free end is equipped with location hole；

Spacer pin is interspersed in the location hole；

Cutting ferrule is sheathed on the movable joint check lock lever, and stopped by the spacer pin；And

Elastic component is sheathed on movable joint check lock lever, and is connected between first fixed ear and the cutting ferrule；

In, when the movable joint check lock lever turns to first fixed ear, the cutting ferrule is sheathed on the movable joint check lock lever On, and the elastic component is compressed, make the elastic component that elastic deformation occur and abut first fixed ear；The spacer pin is worn It inserts in the location hole and limits the cutting ferrule；Second axle sleeve is sheathed on the free end of the movable joint check lock lever, with Position the movable joint check lock lever.

Compared to traditional lamp casing structure, above-mentioned lamp casing structure has at least the following advantages：

（1）The second shell of above-mentioned lamp casing structure by be sheathed on movable joint check lock lever cutting ferrule and first shell One fixed ear phase clamping, and movable joint check lock lever is limited by the second axle sleeve of locating piece, thus by first shell and second shell It is detachably connected；When dismounting, locating piece, cutting ferrule and elastic component are unclamped, when installation, swivel joint check lock lever is to vertical Position, cutting ferrule be sheathed on the free end of movable joint check lock lever and with the first fixed ear phase clamping, plug limit after finally putting on locating piece Position pin can sealed movable joint check lock lever, avoid the occurrence of screw and kill phenomenon, and without specific purpose tool, can manually install Or dismounting, therefore, above-mentioned lamp casing structure is dismantled or is installed more convenient.

（2）Above-mentioned lamp casing structure is using first fixed ear phase of the cutting ferrule with first shell for being sheathed on movable joint check lock lever The mode of clamping locks first shell and second shell, without the fixed form of traditional eyelet bolt, avoids tradition Eyelet bolt because long-time stress cause fatigue loosen due to seal failure, to improve the sealed reliable of lamp casing structure Property.

（3）When elastic component is moved down under the effect of cutting ferrule pressure goes just past the location hole on movable joint check lock lever, The decrement of sealing ring just reaches the decrement reliably sealed, therefore, so that sealing ring is compressed to predetermined elasticity amount every time, keeps away Exempt from salable circle transition deformation and damages or compress not in place and seal failure, to further improve the leakproofness of lamps and lanterns, That is, the sealing ring decrement of lamps and lanterns is constant consistent, keep its sealing function reliable and stable.

The cutting ferrule includes the second of the first cylinder and connection coaxial with first cylinder in one of the embodiments, Cylinder, the internal diameter of first cylinder are less than the internal diameter of second cylinder, and the elastic component is contained in second cylinder.

First fixed ear is U-shaped structure in one of the embodiments, and the bottom of first fixed ear is fixed on The outer surface of the first shell；When the cutting ferrule compression elastic component, make the elastic component and the first fixed ear phase When abutting, the free end of the movable joint check lock lever is contained between two support arms of first fixed ear.

One end of the spacer pin is equipped with blocking pin, the resistance after passing through the location hole in one of the embodiments, Backing pin is for limiting the spacer pin, to prevent the spacer pin from falling off.

The outer surface of the second shell is additionally provided with the second fixed ear, the movable joint locking in one of the embodiments, Bar is rotatably connected by axis pin and second fixed ear.

Second fixed ear is U-shaped structure in one of the embodiments, and the movable joint check lock lever is solid with described second The end for determining ear connection is equipped with lantern ring, and the lantern ring is located between two support arms of second fixed ear, and the axis pin passes through Two support arms and lantern ring of second fixed ear.

One end of the axis pin is equipped with cap head in one of the embodiments, and the other end is equipped with split pin, the cap head And the split pin is located at the outside of two support arms of second fixed ear, and the axis pin is locked on described second In fixed ear.

Further include baffle and threaded fasteners in one of the embodiments, the threaded fasteners pass through the baffle And connect with the end-face helical of the free end of the movable joint check lock lever, the baffle blocks the cutting ferrule, to prevent the cutting ferrule It falls off from the movable joint check lock lever.

Side of the first shell far from first fixed ear and the second shell in one of the embodiments, Side far from the movable joint check lock lever is rotatably connected, and keeps the first shell rotatable relative to the second shell.

Meanwhile also providing a kind of lamps and lanterns with above-mentioned lamp casing structure.

A kind of lamps and lanterns comprising：

Above-mentioned lamp casing structure, the first shell are tail-hood, and the second shell is lamp ring, the second shell Inside be equipped with protrusion snap ring；

Translucent cover, is one end open, the closed tube structure in one end, and the outer surface of the translucent cover open end is equipped with mounting Boss, the mounting boss and the snap ring phase clamping；

Sealing ring is connected between the open end of the translucent cover and first opening, makes the first shell, second The light-source chamber of a sealing is collectively formed in shell, translucent cover；

Lamp holder is set in the light-source chamber, and is fixedly connected with the bottom of the first shell；And

Light bulb is contained in the light-source chamber, and is fixedly connected with the lamp holder.

【Description of the drawings】

Fig. 1 is the sectional view of the lamps and lanterns of embodiment of the present invention；

Fig. 2 is the movable joint check lock lever and the matched status diagram of locating piece of lamps and lanterns shown in FIG. 1；

Fig. 3 is the structural schematic diagram of the locating piece of lamps and lanterns shown in FIG. 1；

Fig. 4 is the sectional view of locating piece shown in Fig. 3；

Fig. 5 is the structural schematic diagram of the movable joint check lock lever of the locating piece of lamps and lanterns shown in FIG. 1；

Fig. 6 is the structural schematic diagram at another visual angle of movable joint check lock lever shown in fig. 5.

Fig. 7 is the structural schematic diagram of the cutting ferrule of lamps and lanterns shown in FIG. 1；

Fig. 8 is the sectional view of cutting ferrule shown in Fig. 7；

【Specific implementation mode】

To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing Give the preferred embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein Described embodiment.Keep the understanding to the disclosure more saturating on the contrary, purpose of providing these embodiments is It is thorough comprehensive.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement are for illustrative purposes only.

Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases Any and all combinations of the Listed Items of pass.

Referring to Fig. 1, the lamps and lanterns 100 of embodiments of the present invention, including lamp casing structure（Figure is not marked）, translucent cover 160, sealing ring 170, lamp holder 180 and light source 190.Lamp casing structure include first shell 110, shaft 120, locating piece 131, Spacer pin 132, cutting ferrule 133, elastic component 134, second shell 140 and movable joint check lock lever 150.Lamps and lanterns 100 can be platform lamp, wall Lamp, Projecting Lamp etc. are specifically in the illustrated embodiment illustrated by taking platform lamp as an example, and first shell 110 is tail-hood, the Two shells 140 are lamp ring.

First shell 110 has the first opening (figure is not marked).The outer surface of first shell 110 is equipped with the first fixed ear 113, First fixed ear 113 is close to the first opening setting.Specifically in the illustrated embodiment, 110 have a generally hat knot of first shell Structure, bottom outside are additionally provided with crossover sub 115.Certainly, in the present invention, first shell 110 or other shapes, conversion Connector 115 can also omit.

Also referring to Fig. 2, the first fixed ear 113 is U-shaped structure, and first shell is fixed in the bottom of the first fixed ear 113 The outer surface of body 110.Certainly, in the present invention, the first fixed ear 113 is not limited to the knot of U-shaped structure or other shapes Structure, for example, rectangular block structure.

Shaft 120 is fixed on the outer surface of first shell 110, and separate compared with the first fixed ear 113 of first shell 110 First opening setting.Specifically in the illustrated embodiment, shaft 120 is arranged essentially parallel to the axial X of first shell 110, the One is opened on the axial X of first shell 110.

Please refer to Fig. 3 and Fig. 4, the first axle sleeve 131a and the second axle sleeve 131b that the both ends of locating piece 131 are respectively equipped with.The One axle sleeve 131a can be sheathed in shaft 120.Second axle sleeve 131b is set on the free end of movable joint check lock lever 150, to position work Save check lock lever 150.Specifically in the illustrated embodiment, locating piece 131 is fixed using the crossbeam of two parallel interval settings and is connected Meet the first axle sleeve 131a and the second axle sleeve 131b, certainly, in the present invention, locating piece 131 be not limited to above structure or its His shape and structure.

Second shell 140 has the second opening（Figure is not marked）.First opening of first shell 110 connects with the second opening sealing It connects.140 inside of second shell is equipped with the snap ring 141 of protrusion, and the snap ring 141 is for fixing translucent cover 160.Second shell 140 Outer surface is additionally provided with the second fixed ear 143, and the second fixed ear 143 with movable joint check lock lever 150 for connecting.Specifically in the reality of diagram It applies in mode, the second fixed ear 143 is U-shaped structure, and two support arms of the U-shaped structure offer axis hole.

Fig. 5 and Fig. 6 is please referred to, movable joint check lock lever 150 is set to the outer surface of second shell 140, and is set close to the second opening It sets.150 one end of movable joint check lock lever is rotatably connected with second shell 140, and the other end is free end, and free end is equipped with location hole 151.Specifically in the illustrated embodiment, the second fixed ear that movable joint check lock lever 150 passes through axis pin 157 and second shell 140 143 are rotatably connected.

One end of axis pin 157 is equipped with cap head 157a, and the other end is equipped with split pin 157b, cap head 157a and split pin 157b It is located at the outside of two support arms of the second fixed ear 143 of second shell 140, axis pin 157 is locked on the second fixation On ear 143, prevent axis pin 157 from falling off from the second fixed ear 143.Specifically, movable joint check lock lever 150 and the second fixed ear 143 The end of connection is equipped with lantern ring 155, and lantern ring 155 is located between two support arms of the second fixed ear 143, and axis pin 157 passes through second Two support arms and lantern ring 155 of fixed ear 143.Certainly, in the present invention, common hinge and second shell can also be used in axis pin 157 Body 140 is rotatably connected, or is rotatably connected with second shell 140 using flexural pivot.

Spacer pin 132 is interspersed in the location hole 151 of movable joint check lock lever 150.Specifically, one end of spacer pin 132 passes through Blocking pin is equipped with after the location hole 151 of movable joint check lock lever 150, blocking pin is for limiting the spacer pin 132, to prevent spacer pin 132 fall off.That is, spacer pin 132 does not set location hole 151 of the one end across movable joint check lock lever 150 of cap head, blocking pin wears limit again Position pin 132 does not set one end of cap head, and the both ends of spacer pin 132 is made to be limited respectively by cap head and blocking pin.

Please refer to Fig. 7 and Fig. 8, cutting ferrule 133 is sheathed on movable joint check lock lever 150, and is limited the blocking of pin 132.When When cutting ferrule 133 and the first fixed ear 113 of first shell 110 abut against, the free end of movable joint check lock lever 150 is contained in first shell Between two support arms of the first fixed ear 113 of body 110.Specifically in the illustrated embodiment, cutting ferrule 133 includes the first cylinder The internal diameter of 133a and the second cylinder 133b, the first cylinder 133a of connection coaxial with the first cylinder 133a are less than the second cylinder 133b Internal diameter.

Elastic component 134 is sheathed on movable joint check lock lever 150, and is connected to the first fixed ear 133 and card of first shell 110 Between set 133.Specifically in the illustrated embodiment, elastic component 134 is contained in the second cylinder 133b of cutting ferrule 133.Elasticity Part 134 can be compressed spring, elastic rubber ring etc..

Further, lamp casing structure further includes baffle 135 and threaded fasteners 136.Threaded fasteners 136 pass through gear Plate 135 is simultaneously connect with the end-face helical of the free end of shaft 120, and baffle 135 blocks the second axle sleeve 131b of locating piece 131.By The second axle sleeve 131b of locating piece 131 has been blocked in baffle 135, has been fallen off from shaft 120 to avoid locating piece 131, meanwhile, it keeps away Exempt from extraneous dust and other impurities to enter in locating piece 131, and influences the use of locating piece 131.

Wherein, when movable joint check lock lever 150 turns to the first fixed ear 113 of first shell 110, cutting ferrule 133 is sheathed on work It saves on check lock lever 150, while compression elastic piece 134, makes elastic component 134 that elastic deformation occur and abut the of first shell 110 One fixed ear 113；Spacer pin 132 is interspersed in the location hole 151 of movable joint check lock lever 150 and limits cutting ferrule 133；Locating piece 131 The second axle sleeve 131 be sheathed on the free end of movable joint check lock lever 150, to position movable joint check lock lever 150.

First shell 110 and second shell 140 can all use movable joint check lock lever 150 and 131 spacer pin 132 of locating piece, Cutting ferrule 133 and 134 matched mode of elastic component connect；Alternatively, first shell 110 and the side of second shell 140 are adopted It is connected with movable joint check lock lever 150 and 131 matched mode of locating piece, the other side is using the connection type rotated, that is, the One shell 110 is rotationally snapped together relative to second shell 140, then using movable joint check lock lever 150 and spacer pin 132, Cutting ferrule 133, elastic component 134 are matched and are locked.Specifically in the illustrated embodiment, first shell 110 is fixed far from first The side of ear 111 is rotatably connected with side of the second shell 140 far from movable joint check lock lever 150, make first shell 110 relative to Second shell 140 is rotatable.

Translucent cover 160 is one end open, the closed tube structure in one end.The outer surface of 160 open end of translucent cover, which is equipped with, to hang Boss 161 is connect, the 141 phase clamping of snap ring of boss 161 and second shell 140 is mounted.It can be multiple mutual to mount boss 161 Every the square protruding of setting, or around second 160 1 weeks annular protrusions of translucent cover.

Sealing ring 170 is connected between the open end of translucent cover 160 and the first opening, makes first shell 110, second shell 140, the light-source chamber of a sealing is collectively formed in translucent cover 160.

Lamp holder 180 is set to 190 intracavitary of light source, and is fixedly connected with the bottom of first shell 110.Lamp holder 180 and first shell The crossover sub 115 of body 110 is electrically connected.

Light source 190 is contained in 190 intracavitary of light source, and is fixedly connected with lamp holder 180.Light source 190 can be light bulb, golden halogen Lamp, LED light bar, cold-cathode fluorescence lamp etc., specifically in the illustrated embodiment, light source 190 are light bulb.

When first shell 110 is covered naturally does not lock, sealing ring 170 is only by 110 its own gravity of first shell Mild compression, the also not up to decrement that reliably seals.Movable joint check lock lever 150 can be rotated around axis pin 157, and the first lamp housing 110 the first fixed ear 113 and the second fixed ear 143 of second shell 140 are U-shaped structure, so movable joint check lock lever 150 It can be rotated in U-shaped structure.When firmly vertically downward pressure cutting ferrule 133 upper surface so that elastic component 134 is compressed, at this time due to The reaction force of elastic component 134 makes first shell 110 and second shell 140 by the opposite pressure in direction, and the power is The pressure that sealing ring 170 is subject to.Movable joint locking is gone just past when elastic component 134 is moved down under the effect of 133 pressure of cutting ferrule When location hole 151 on bar 150, the decrement of sealing ring 170 just reaches the decrement reliably sealed.It is rapidly inserted into limit at this time Position pin 132, while blocking pin 132a is loaded onto, the second axle sleeve 131b of locating piece 131 is at the same time sleeved on movable joint locking rapidly On the free end of bar 150, and baffle 135 is locked with screw in the end face of the free end of movable joint check lock lever 150.In the present invention, The main function of elastic component 134 is balance, buffering and locking etc..The main function of spacer pin 132 is the compression for making sealing ring 170 Amount keeps constant state.The main function of locating piece 131 is that movable joint check lock lever 150 is made to remain plumbness.

Compared to traditional lamp casing structure, above-mentioned lamp casing structure has at least the following advantages：

（1）The second shell 140 of above-mentioned lamp casing structure is by being sheathed on the cutting ferrule 133 and of movable joint check lock lever 150 The 113 phase clamping of the first fixed ear of one shell 110, and movable joint check lock lever is limited by the second axle sleeve 131b of locating piece 131 150, to which first shell 110 and second shell 140 are detachably connected；When dismounting, locating piece 131, cutting ferrule 133 are unclamped And elastic component 134, when installation, swivel joint check lock lever 150 to vertical position, cutting ferrule 133 is sheathed on movable joint check lock lever 150 Free end and with 113 phase clamping of the first fixed ear, finally put on plug spacer pin 132 after locating piece 131 can sealed movable joint Check lock lever 150 avoids the occurrence of screw and kills phenomenon, and without specific purpose tool, can manually install or remove, therefore, Above-mentioned lamp casing structure dismounting is installed more convenient.

（2）Above-mentioned lamp casing structure is using being sheathed on the of the cutting ferrule 133 of movable joint check lock lever 150 and first shell 110 The mode of one fixed ear, 113 phase clamping locks first shell 110 and second shell 140, without traditional eyelet bolt Fixed form avoids seal failure due to long-time stress leads to fatigue loosening of traditional eyelet bolt, to improve lamp Has the sealing reliability of shell structure.

（3）It is gone just past on movable joint check lock lever 150 when elastic component 134 is moved down under the effect of 133 pressure of cutting ferrule When location hole 151, the decrement of sealing ring 170 just reaches the decrement reliably sealed, therefore, makes sealing ring 170 every time It is compressed to predetermined elasticity amount, the 170 transition deformation of salable circle is avoided and damages or compress not in place and seal failure, into one Step improves the leakproofness of lamps and lanterns 100, that is, 170 decrement of sealing ring of lamps and lanterns 100 is constant consistent, its sealing function is made to stablize Reliably.

Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (10)

1. a kind of lamp casing structure, which is characterized in that including：

There is first shell the first opening, the outer surface of the first shell to be equipped with the first fixed ear, and first fixed ear is leaned on The nearly first opening setting；

Shaft is fixed on the outer surface of the first shell, and first fixed ear is far from the first opening setting；

Locating piece, both ends are respectively equipped with the first axle sleeve and the second axle sleeve, and first axle sleeve is sheathed in the shaft；

Second shell there is the second opening, first opening to be tightly connected with the second opening, the outer surface of the second shell It is additionally provided with the second fixed ear；And

Movable joint check lock lever is set to the outer surface of the second shell, and close to the second opening setting, the movable joint check lock lever One end is rotatably connected with the second shell, and the other end is free end, and the free end is equipped with location hole, and can be described Rotation in first fixed ear and second fixed ear；

Spacer pin is interspersed in the location hole；

Cutting ferrule is sheathed on the movable joint check lock lever, and stopped by the spacer pin；And

Elastic component is sheathed on movable joint check lock lever, and is connected between first fixed ear and the cutting ferrule；

Wherein, when the movable joint check lock lever turns to first fixed ear, the cutting ferrule is sheathed on the movable joint check lock lever, And the elastic component is compressed, make the elastic component that elastic deformation occur and abut first fixed ear；The spacer pin is interspersed In limiting the cutting ferrule in the location hole；Second axle sleeve is sheathed on the free end of the movable joint check lock lever, with fixed The position movable joint check lock lever.

2. lamp casing structure as described in claim 1, which is characterized in that the cutting ferrule includes the first cylinder and with described the Second cylinder of the coaxial connection of one cylinder, the internal diameter of first cylinder are less than the internal diameter of second cylinder, the elastic component It is contained in second cylinder.

3. lamp casing structure as described in claim 1, which is characterized in that first fixed ear is U-shaped structure, described the The outer surface of the first shell is fixed in the bottom of one fixed ear；When the cutting ferrule compression elastic component, make the elasticity When part is abutted against with first fixed ear, the free end of the movable joint check lock lever is contained in two branch of first fixed ear Between arm.

4. lamp casing structure as described in claim 1, which is characterized in that one end of the spacer pin passes through the location hole It is equipped with blocking pin afterwards, the blocking pin is for limiting the spacer pin, to prevent the spacer pin from falling off.

5. such as Claims 1 to 4 any one of them lamp casing structure, which is characterized in that the movable joint check lock lever passes through pin Axis is rotatably connected with second fixed ear.

6. lamp casing structure as claimed in claim 5, which is characterized in that second fixed ear is U-shaped structure, the work The end that section check lock lever is connect with second fixed ear is equipped with lantern ring, and the lantern ring is located at two branch of second fixed ear Between arm, the axis pin passes through two support arms and lantern ring of second fixed ear.

7. lamp casing structure as claimed in claim 6, which is characterized in that one end of the axis pin is equipped with cap head, the other end It is equipped with split pin, the cap head and the split pin are located at the outside of two support arms of second fixed ear, will The axis pin is locked in second fixed ear.

8. such as Claims 1 to 4 any one of them lamp casing structure, which is characterized in that further include baffle and be screwed Part, the threaded fasteners pass through the baffle and are connect with the end-face helical of the free end of the movable joint check lock lever, the gear Plate blocks the cutting ferrule, to prevent the cutting ferrule from falling off from the movable joint check lock lever.

9. such as Claims 1 to 4 any one of them lamp casing structure, which is characterized in that the first shell is far from described The side of first fixed ear is rotatably connected with side of the second shell far from the movable joint check lock lever, makes the first shell Body is rotatable relative to the second shell.

10. a kind of lamps and lanterns, which is characterized in that including：

Such as claim 1~9 any one of them lamp casing structure, the first shell is tail-hood, and the second shell is Lamp ring, the inside of the second shell are equipped with the snap ring of protrusion；

Translucent cover, is one end open, the closed tube structure in one end, and the outer surface of the translucent cover open end is convex equipped with mounting Platform, the mounting boss and the snap ring phase clamping；

Sealing ring is connected between the open end of the translucent cover and first opening, makes the first shell, second shell The light-source chamber of a sealing is collectively formed in body, translucent cover；

Lamp holder is set in the light-source chamber, and is fixedly connected with the bottom of the first shell；And

Light bulb is contained in the light-source chamber, and is fixedly connected with the lamp holder.