CN203240340U - Explosion-proof lamp - Google Patents
Explosion-proof lamp Download PDFInfo
- Publication number
- CN203240340U CN203240340U CN2013202016946U CN201320201694U CN203240340U CN 203240340 U CN203240340 U CN 203240340U CN 2013202016946 U CN2013202016946 U CN 2013202016946U CN 201320201694 U CN201320201694 U CN 201320201694U CN 203240340 U CN203240340 U CN 203240340U
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- Prior art keywords
- light source
- main casing
- lower cover
- explosion
- diffuser
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- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
An explosion-proof lamp comprises a main shell, an upper shell, a support, a light source device, an external cable and a lower cover. The light source device is fixed on the main shell, the external cable supplies power to the light source device, and the lower cover is installed and fixed below the main shell. The light source device at least comprises a light emitting assembly and a light transmitting cover, wherein the light transmitting cover is arranged on the periphery of the light emitting assembly. The middle of the main shell stretches in the axial direction to form an accommodating cavity, the upper cover covers at the upper end of the accommodating cavity, the main shell is further provided with a base plate at the bottom of the accommodating cavity, a plurality of sets of fixing devices are arranged on the base plate, the fixing devices are used for installing light emitting assemblies of different types respectively, and the explosion-proof lamp is provided with an electric conductive contact part inside the accommodating cavity, wherein the electric conductive contact part stretches downwards and is electrically connected with the external cable. The light emitting assembly is locked and fixed below the base plate through one set of the fixing device and electrically connected with the electric conductive contact part. An opening corresponding to the light transmitting cover is formed in the lower cover, and the edge of the light transmitting cover is fixed between the main shell and the lower cover. With the help of the sets of the fixing devices, light source devices of different types can be flexibly installed, universality is good, and using cost is low.
Description
Technical field
The utility model relates to lighting device, particularly relates to the explosion-proof lamp of the dissimilar light source device of a kind of suitable installation.
Background technology
Along with the develop rapidly of science and technology, the use of lighting in producing, store in a warehouse, rescuing is more and more extensive, and kind is also more and more.The lighting in past adopts Metal halogen lamp as light source device usually, in work, can produce inevitably electric spark or form red-hot surface, they will cause the generation of explosion accident in case meet with damp, dust or its mixture of production or rescue site.Therefore, in the hazardous area that has damp, dust or its mixture, explosion-proof lamp is widely used.
Along with light emitting diode (Light Emitting Diode, LED) technology moves to maturity gradually, relative Metal halogen lamp, because the LED light source device has the advantages such as caloric value is little, power consumption is little, operating voltage is low, long service life, so that the LED light source device also can be applied in the explosion-proof lamp.
But, normally used explosion-proof lamp often can only correspondingly be installed wherein a kind of light source device (such as Metal halogen lamp, floodlight LED lamp or spotlight LED lamp), and under different application scenarios, may dissimilar light source devices be installed at explosion-proof lamp, at this time when changing light source device, need to change the explosion-proof lamp that matches with it toward contact, cause use cost to increase.
The utility model content
Technical problem to be solved in the utility model is, the explosion-proof lamp of the dissimilar light source device of a kind of suitable installation is provided.
For solving the problems of the technologies described above, the utility model provides following technical scheme: a kind of explosion-proof lamp, comprise main casing, be fixed on main casing upper end loam cake, be located at main casing and loam cake top support, be fixed in the light source device on the main casing, the lower cover that is used to the external cable of light source device power supply and is fixed on described main casing below; Described light source device comprises at least luminescence component and is located at the diffuser of luminescence component periphery, the middle part of described main casing has extended to form host cavity vertically, described loam cake is the upper end that lid is located at described host cavity, described main casing also is provided with base plate in the bottom of host cavity, described base plate is provided with the fixture that multicomponent be used to not installed dissimilar luminescence components, and described explosion-proof lamp is provided with electrically conducting contact extended and that be electrical connected with external cable downwards in host cavity; Described luminescence component locks to the below of base plate by one group of fixture wherein, and is electrically connected with described electrically conducting contact; Cover corresponding diffuser under described and be provided with opening, the edge of described diffuser is fixed between main casing and the lower cover.
Further, described many group fixtures are arranged on many groups installation screw of the diverse location of base plate, thereby described luminescence component is to lock on the base plate by the screw that correspondence is installed to wherein in one group of installation screw.
Further, the below of described loam cake is provided with the junction block that links to each other with external cable and from the further downward extended electrically conducting contact of junction block, and described luminescence component is to pass described base plate and described electrically conducting contact is electrically connected.
Further, be provided with sealing ring between the inner surface of the host cavity of described loam cake and main casing; The outside of described main casing offers the perforation that communicates with host cavity, be equiped with fastening screw spare in the described perforation and be positioned at the axially potted component of inboard of described fastening screw piece, the middle part of described fastening screw piece and potted component connects and offers through wires hole, and described external cable is to pass the junction block that through wires hole is linked into loam cake; Described support is the cup-shaped of back-off, and it is the top that is fixed to main casing and loam cake with securing member.
Further, described lower cover comprises the stage portion that is in axial outermost main part, extended internally out by main part and the holding flange that is further inwardly stretched out by the lower end of stage portion, the end face of described main part, stage portion and holding flange sinks from outside to inside step by step, and the edge of described diffuser is to be fixed between the bottom surface of the holding flange of described lower cover and described main casing.
Further, described lower cover is circular, the end face of described main part is close to the bottom surface of main casing, has slit between the end face of described stage portion and the bottom surface of main casing, then has fixing slot between the end face of described holding flange and the bottom surface of described main casing, the bottom surface of described main casing is the corresponding potted component that is provided with elastically deformable above holding flange, and the edge of described diffuser is that sandwiched is fixed between the holding flange and described potted component of described lower cover.
Further, the stage portion of described lower cover is provided with screw at the upper surface towards main casing, is equiped with securing member in the described screw, and described securing member presses solidly the edge of diffuser the holding flange of lower cover.
Further, described light source device comprises by lamp socket and is installed in the described luminescence component that the bulb on the lamp socket forms and the described diffuser that is located at the luminescence component periphery; Described diffuser passes described lower cover Open Side Down projection and goes out.
Further, described light source device comprise by light source base, be installed in light source base below light source board, be arranged on the described luminescence component that the reflector of light source board below forms, the guard shield that is located at the diffuser of luminescence component periphery and further is arranged on the diffuser periphery, described diffuser passes described lower cover Open Side Down projection and goes out, the lower surface of described lower cover is provided with screw, securing member is installed protective guard lock is affixed to the lower surface of lower cover on the described screw.
Further, the described light source device diffuser made from condensing glass that comprises by light source board and be arranged on the described luminescence component that the optically focused reflector of light source board below forms and be located at the luminescence component periphery.
After adopting technique scheme, the utility model has following beneficial effect at least: by many group fixtures are set at base plate, and stretch out the electrically conducting contact that is electrical connected with external cable downwards from the host cavity of main casing, make dissimilar luminescence components can lock to by one group of fixture wherein the below of base plate, and be electrically connected with described electrically conducting contact; On the other hand, be fixed between main casing and the lower cover by the edge with the diffuser of described light source device, the central authorities at lower cover offer an opening to accommodate flexibly difform diffuser simultaneously; Thereby can dissimilar light source devices be installed flexibly on explosion-proof lamp, be convenient to carry out light source device and change operation, having preferably, versatility also can reduce use cost.
Description of drawings
Fig. 1 is that the utility model explosion-proof lamp is combined the cutaway view of using with Metal halogen lamp.
Fig. 2 is that the utility model explosion-proof lamp is combined the cutaway view of using with floodlight LED lamp.
Fig. 3 is that the utility model explosion-proof lamp is combined the cutaway view of using with spotlight LED lamp.
The specific embodiment
Need to prove that in the situation of not conflicting, embodiment and the technical characterictic among the embodiment among the application can mutually combine, and below in conjunction with the drawings and specific embodiments the utility model are described in further detail.
As shown in Figure 1 to Figure 3, the utility model provides a kind of explosion-proof lamp 1, and it is fit to dissimilar light source devices is installed, and Figure 1 shows that Metal halogen lamp 2, Figure 2 shows that floodlight LED lamp 2A, and Figure 3 shows that spotlight LED lamp 2B.
Described explosion-proof lamp 1 comprises main casing 40, the loam cake 20 that is installed in main casing 40 upper ends, the support 10 that is located at main casing 40 and loam cake 20 tops with hollow structure, the external cable 30 that is used to the light source device power supply and the lower cover 50 that is fixed on main casing 40 belows.
Described loam cake 20 is upper ends that seal cover is located at the host cavity 42 of main casing 40, be installed with junction block 22 in the host cavity 42 of described explosion-proof lamp 1 below loam cake 20 and from further downward extended at least two electrically conducting contacts 24 of junction block 22, described electrically conducting contact 24 is electrical connected by junction block 22 and external cable 30.Loam cake 20 is preferably dome-shaped, its lower edge is the inboard that is embedded at host cavity 42, and be provided with sealing ring 26 between the medial surface of the lateral surface of loam cake 20 and host cavity 42, thereby can seal better gap between the two, anti-sealing or dust enter into the normal operation that lamp interior affects electric component.
Described support 10 is the cup-shaped of back-off, and it is the top that is fixed to main casing 40 and loam cake 20 with securing member, plays the effect of fixing and explosion proof luminaire 1.
Described lower cover 50 comprise be in an axial outermost main part 51, by a main part stage portion 52 that extends internally out perpendicular to axial direction and by the further holding flange that inwardly stretches out 53 perpendicular to axial direction in the lower end of stage portion.The end face of wherein said main part 51, described stage portion 52 and described holding flange 53 is step by step step sinking from outside to inside, the end face of wherein said main part 51 is close to the bottom surface of main casing 40, have a narrower slit between the bottom surface of the end face of described stage portion 52 and main casing 40, then have a wider fixing slot between the bottom surface of the end face of described holding flange 53 and main casing 40.Described lower cover 50 is by scheming unshowned set bolt or the mode that matches with latching structure on main casing 40 bottom surfaces is fixed to main casing 40, the profile of described lower cover 50 is preferably the circular of hollow, its central authorities are provided with an opening 54 of up/down perforation, described lower cover 50 is provided with a screw 55 in the bottom surface of main part 51, also be provided with a screw 56 in stage portion 52 on the end face of main casing 40.
The light source device that goes out to be installed on the explosion-proof lamp 1 shown in Figure 1 is specially Metal halogen lamp 2, and it comprises specifically by lamp socket 60 and is installed in the luminescence component 100 that the bulb 70 of lamp socket 60 belows forms and the diffuser 90 that is located at luminescence component 100 peripheries; Lamp socket 60 is to be fixed in the described first group of installation screw in base plate 44 middle parts of main casing 40 with not shown securing member (for example screw or bolt), and the conductive contact on the lamp socket 60 passes base plate 44 on the main casing 40 and contacts with electrically conducting contact 24 on the explosion-proof lamp 1 to set up and be electrically connected; Bulb 70 is that the mode with spiral or buckle is fixed on the lamp socket 60, and is electrically connected by lamp socket 60 and described electrically conducting contact 24, can be bulb 70 power supplies thereby make external cable 30.Described diffuser 90 usefulness glass are made, and it is the long arch cover shape of point, and its top level perpendicular to axial direction outwards is equipped with an edge 92.Diffuser 90 passes the opening 54 downward projections of lower cover 50 and goes out, and the edge 92 of diffuser 90 then sandwiched is fixed between the holding flange 53 of the bottom surface of main casing 40 and lower cover 50.Main casing 40 is the corresponding described potted component 45 that is provided with elastically deformable above holding flange 53, and described potted component 45 is pressed on the end face at the edge 92 of diffuser 90, thus the gap between sealed light-transmitting cover 90 and the main casing 40.For fixing diffuser 90 more firmly, also be equiped with a securing member 57 specific to present embodiment in the screw 56 of lower cover 50, described securing member 57 closely presses solidly the holding flange 53 of lower cover 50 with the edge 92 of diffuser 90, shakes to prevent diffuser 90.It is worth mentioning that in addition, under some fixing less demanding occasion to diffuser 90, also securing member 57 can be set, only rely between holding flange 53 and the main casing 40 also fixing diffuser 90 of the chucking power that produces.
When Metal halogen lamp 2 is installed, be with screw lamp socket 60 to be fixed on first in base plate 44 described first group of installation screw of main casing 40; Again bulb 70 is fixed on the lamp socket 60; Then tightening fastener parts 57 locks to lower cover 50 with diffuser 90, at last lower cover 50 related diffusers 90 is fixed to the bottom of main casing 40 in the lump, thereby finishes machinery and electric installation.
The light source device that goes out to be installed on the explosion-proof lamp 1 shown in Figure 2 is specially floodlight LED lamp 2A, and it specifically comprises by light source base 60A, be installed in light source base below is specially floodlight led light source plate 70A, is arranged on luminescence component 100A, the guard shield 95A that is located at the diffuser 90A of above-mentioned luminescence component 100A periphery and further is arranged on diffuser 90A periphery that the floodlight reflector 80A of floodlight led light source plate 70A below forms.Wherein said light source base 60A is fixed to by twisting the screw (not shown) be fixedly mounted with on the flanging that is located at light source base 60A top in the above second group of installation screw of base plate 44 of main casing 40, and the conductive contact on the light source base 60A passes base plate 44 and contacts with electrically conducting contact 24 on the explosion-proof lamp 1 and set up electric connection; Described diffuser 90A passes the opening 54 downward projections of described lower cover 50 and goes out, and described guard shield 95A is preferably metal and makes, and it can provide protection for the diffuser 90A that floodlight glass is made.The screw 55 of described lower cover 50 be provided be preferably bolt securing member 59 so that guard shield 95A is locked on the lower cover 50; and diffuser 90A is owing to have protection and the support of guard shield 95A, so only sandwiched is fixed between the holding flange 53 of described lower cover 50 and the described potted component 45 and gets final product.
When floodlight LED lamp is installed being first will be by light source base 60A, be fixed on the luminescence component 100A that floodlight led light source plate 70A on the base 60A and floodlight reflector 80A form is fixed on the base plate 44 of main casing 40 in the lump, conductive contact on the light source base 60A is contacted with electrically conducting contact 24 on the explosion-proof lamp 1 set up electric connection; Again diffuser 90A is encased in the upside of lower cover 50; And then lower cover 50 and diffuser 90A be fixed to main casing 40, last tightening fastener parts 59 to be locking to lower cover 50 with guard shield 95A, thereby finishes installation.
The light source device that goes out to be installed on the explosion-proof lamp 1 shown in Figure 3 is specially floodlight LED lamp 2B, the diffuser 90B that it comprises specifically by condensing LED light source plate 70B and is fixedly installed on the luminescence component 100B that the optically focused reflector 80B of condensing LED light source plate 70B below forms and is located at the planar shaped made from condensing glass of above-mentioned luminescence component 100B periphery.Condensing LED light source plate 70B is in the 3rd group of installation screw that is screwed on the base plate 44 of main casing 40; The edge 92B of diffuser 90B also is the holding flange 53 that fastener 57 closely presses solidly lower cover 50.
When floodlight LED lamp 2B is installed, be with screw condensing LED light source plate 70B and optically focused reflector 80B to be fixed on the base plate 44 of main casing 40 first; Then tightening fastener parts 57 locks to lower cover 50 with diffuser 90B, at last lower cover 50 related diffuser 90B is fixed to the bottom of main casing 40 in the lump, thereby finishes machinery and electric installation.
Main innovation part of the present utility model is, by the base plate 44 at main casing 40 many group fixtures are set, and stretch out the electrically conducting contact 24 that is electrical connected with external cable 30 downwards from the host cavity 42 of main casing 40, make dissimilar luminescence component 100,100A, 100B can be fixed to by one group of fixture wherein the below of base plate 44, and be electrically connected with described electrically conducting contact 24; On the other hand, by the diffuser 90 of described light source device 2, the edge of 90A, 90B are fixed between main casing 40 and the lower cover 50, the central authorities at lower cover 50 offer an opening 54 to accommodate flexibly difform diffuser 90,90A, 90B simultaneously; Thereby can dissimilar light source devices be installed flexibly on explosion-proof lamp, be convenient to carry out light source device and change operation, having preferably, versatility also can reduce use cost.
Although illustrated and described preferred embodiment of the present utility model, for the ordinary skill in the art, in the situation that does not break away from principle of the present utility model and spirit, can carry out various variations, modification, replacement and modification to these embodiment, so scope of the present utility model should be limited by claims and equivalency range thereof.
Claims (10)
1. explosion-proof lamp, comprise main casing, be fixed on the main casing upper end loam cake, be located at main casing and loam cake top support, be fixed in the light source device on the main casing, the lower cover that is used to the external cable of light source device power supply and is fixed on described main casing below; Described light source device comprises at least luminescence component and is located at the diffuser of luminescence component periphery, it is characterized in that: the middle part of described main casing has extended to form host cavity vertically, described loam cake is the upper end that lid is located at described host cavity, described main casing also is provided with base plate in the bottom of host cavity, described base plate is provided with the fixture that multicomponent be used to not installed dissimilar luminescence components, and described explosion-proof lamp is provided with electrically conducting contact extended and that be electrical connected with external cable downwards in host cavity; Described luminescence component locks to the below of base plate by one group of fixture wherein, and is electrically connected with described electrically conducting contact; Cover corresponding diffuser under described and be provided with opening, the edge of described diffuser is fixed between main casing and the lower cover.
2. explosion-proof lamp according to claim 1, it is characterized in that, described many group fixtures are arranged on many groups installation screw of the diverse location of base plate, thereby described luminescence component is to lock on the base plate by the screw that correspondence is installed to wherein in one group of installation screw.
3. explosion-proof lamp according to claim 1, it is characterized in that, the below of described loam cake is provided with the junction block that links to each other with external cable and from the further downward extended electrically conducting contact of junction block, and described luminescence component is to pass described base plate and described electrically conducting contact is electrically connected.
4. explosion-proof lamp according to claim 3 is characterized in that, is provided with sealing ring between the inner surface of the host cavity of described loam cake and main casing; The outside of described main casing offers the perforation that communicates with host cavity, be equiped with fastening screw spare in the described perforation and be positioned at the axially potted component of inboard of described fastening screw piece, the middle part of described fastening screw piece and potted component connects and offers through wires hole, and described external cable is to pass the junction block that through wires hole is linked into loam cake; Described support is the cup-shaped of back-off, and it is the top that is fixed to main casing and loam cake with securing member.
5. according to claim 1 to 4 each described explosion-proof lamps, it is characterized in that, described lower cover comprises the stage portion that is in axial outermost main part, extended internally out by main part and the holding flange that is further inwardly stretched out by the lower end of stage portion, the end face of described main part, stage portion and holding flange sinks from outside to inside step by step, and the edge of described diffuser is to be fixed between the bottom surface of the holding flange of described lower cover and described main casing.
6. explosion-proof lamp according to claim 5, it is characterized in that, described lower cover is circular, the end face of described main part is close to the bottom surface of main casing, has slit between the end face of described stage portion and the bottom surface of main casing, then has fixing slot between the end face of described holding flange and the bottom surface of described main casing, the bottom surface of described main casing is the corresponding potted component that is provided with elastically deformable above holding flange, and the edge of described diffuser is that sandwiched is fixed between the holding flange and described potted component of described lower cover.
7. explosion-proof lamp according to claim 6, the stage portion of described lower cover is provided with screw at the upper surface towards main casing, is equiped with securing member in the described screw, and described securing member presses solidly the edge of diffuser the holding flange of lower cover.
8. according to claim 1 to 4 each described explosion-proof lamps, it is characterized in that: described light source device comprises by lamp socket and is installed in the described luminescence component that the bulb on the lamp socket forms and the described diffuser that is located at the luminescence component periphery; Described diffuser passes described lower cover Open Side Down projection and goes out.
9. according to claim 1 to 4 each described explosion-proof lamps, it is characterized in that: described light source device comprise by light source base, be installed in light source base below light source board, be arranged on the described luminescence component that the reflector of light source board below forms, the guard shield that is located at the diffuser of luminescence component periphery and further is arranged on the diffuser periphery, described diffuser passes described lower cover Open Side Down projection and goes out, the lower surface of described lower cover is provided with screw, securing member is installed protective guard lock is affixed to the lower surface of lower cover on the described screw.
10. according to claim 1 to 4 each described explosion-proof lamps, it is characterized in that: the diffuser made from condensing glass that described light source device comprises by light source board and is arranged on the described luminescence component that the optically focused reflector of light source board below forms and is located at the luminescence component periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202016946U CN203240340U (en) | 2013-04-19 | 2013-04-19 | Explosion-proof lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202016946U CN203240340U (en) | 2013-04-19 | 2013-04-19 | Explosion-proof lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203240340U true CN203240340U (en) | 2013-10-16 |
Family
ID=49317636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202016946U Expired - Fee Related CN203240340U (en) | 2013-04-19 | 2013-04-19 | Explosion-proof lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203240340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654142B (en) * | 2013-11-25 | 2018-09-11 | 海洋王（东莞）照明科技有限公司 | The wiring construction and its recessed light fixture of recessed light fixture |
-
2013
- 2013-04-19 CN CN2013202016946U patent/CN203240340U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654142B (en) * | 2013-11-25 | 2018-09-11 | 海洋王（东莞）照明科技有限公司 | The wiring construction and its recessed light fixture of recessed light fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20190419 |