CN204785728U - Flame -proof type explosion -proof lamp - Google Patents
Flame -proof type explosion -proof lamp Download PDFInfo
- Publication number
- CN204785728U CN204785728U CN201520530457.3U CN201520530457U CN204785728U CN 204785728 U CN204785728 U CN 204785728U CN 201520530457 U CN201520530457 U CN 201520530457U CN 204785728 U CN204785728 U CN 204785728U
- Authority
- CN
- China
- Prior art keywords
- lower cover
- explosion
- housing
- lampshade
- cylinder mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
The utility model discloses a flame -proof type explosion -proof lamp has solved among the prior art problem that the unable normal use of back explosion -proof lamp was pulled down to the protection cylinder mould, and its technical scheme main points are, including casing, lower cap, lamp shade and protection cylinder mould, characterized by: lamp shade open end edge is provided with the round ring baffle that outwards expands, the cap is ring shape down, the outside diameter of baffle is greater than the diameter of the inner circle of cap down, the casing lower extreme is provided with the circular cavity that is used for drawing in in the baffle, protection cylinder mould tip is provided with ring shape connecting portion, be equipped with a threaded connection hole on the connecting portion lateral wall, connecting portion cup joint under in the cap, the position that corresponds a threaded connection hole down on the cap lateral wall is equipped with first screw hole, casing and the lower removable fixed connection that unloads of cap have reached and have protected the effect that the independent dismantlement of cylinder mould does not influence flame -proof type explosion -proof lamp normal use.
Description
Technical field
The utility model relates to a kind of explosion-proof lamp, and more particularly, it relates to a kind of explosion suppression type explosion-preventing lamp.
Background technology
Explosion-proof lamp refers to the hazardous area existed for imflammable gas and dust, can prevent lamp inner issuable electric arc, spark and high temperature to ignite imflammable gas in surrounding environment and dust, thus reach the light fixture of requirement of explosion proof.
Current explosion-proof lamp covers by a lampshade that bulb carrys out the inner issuable electric arc of isolated lamp, spark contacts with dust with the imflammable gas outside lampshade with high temperature; thus avoid the imflammable gas in surrounding environment and dust to be ignited by explosion-proof lamp, and set up defences protecting wire net cage to protect lampshade at lampshade outer cover.And explosion-proof lamp of the prior art normally by protection cylinder mould is fixed on shell by spacing for lampshade shell and protection cylinder mould between, due to needs, the such as patent No. is a kind of energy-saving integral electronic explosion-proof lamp disclosed in CN201120132573.1, it is connected with a casing base in housing lower end, and lampshade and protection cylinder mould are all arranged on casing base, lampshade is arranged between protection cylinder mould and casing base, is connected and fixed by bolt between protection cylinder mould and casing base.
The setting of protection cylinder mould in use makes lampshade damage owing to colliding mainly for avoiding, therefore must evitable meeting cause protection cylinder mould deform and damage after Long-Time Service, and now need protection cylinder mould to disassemble again to weld, and due to lampshade of the prior art by protection cylinder mould fix, this just cannot normally use when causing explosion-proof lamp of the prior art to protect cylinder mould under dismantling, and in mining operations, do not have light-illuminating can have a strong impact on normal work, therefore need to design a kind of explosion-proof lamp protecting cylinder mould and can dismantle separately.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of explosion suppression type explosion-preventing lamp protecting cylinder mould and can dismantle separately.
For achieving the above object, the utility model provides following technical scheme: a kind of explosion suppression type explosion-preventing lamp, comprise housing, lower cover, lampshade and protection cylinder mould, described lampshade open end edge is provided with the annular baffle to extending out, described lower cover is annular, the outside diameter of described baffle plate is greater than the interior circular diameter of lower cover, described housing lower end is provided with the circular cavity for drawing baffle plate in, described protection cylinder mould end is provided with annular connecting portion, described connecting portion lateral wall is provided with the first threaded connection hole, described connecting portion is socketed in lower cover, on described lower cover sidewall, the position of corresponding first threaded connection hole is provided with the first screwed hole, described housing is detachably fixedly connected with lower cover.
By adopting technique scheme, adopting the connection of lower cover and housing to be fixed in circular cavity by the baffle plate on lampshade, realizing the fixing of lampshade; And protect cylinder mould and be bolted on lower cover, lower cover and housing is separated when lampshade changed by needs, and need to dismantle during dismounting protection cylinder mould the connecting bolt protected between cylinder mould and lower cover, lampshade is not affected, when disassembling protection cylinder mould, explosion-proof lamp can also continue to use, and the utility model structure is simple, dismantles and install all very convenient.
The utility model is set to further: be provided with sealing ring between described housing and lampshade, and described sealing ring is located in circular cavity.
By adopting technique scheme, because needs avoid imflammable gas and dust to enter enclosure interior, therefore seal in packaging shell after needing to make housing to be connected with lower cover, therefore sealing ring is set carrys out enhanced leaktightness effect.
The utility model is set to further: described sealing ring material is metal.
By adopting technique scheme, because sealing ring is arranged on enclosure interior, and explosion-proof lamp the inner heat produced is comparatively large in use, if therefore sealing ring material is rubber time sealing ring can be caused to melt or aging very soon, cause sealing effectiveness not good.
The utility model is set to further: be provided with sealing ring between the connecting end surface of described housing and lower cover, and described sealing ring material is rubber.
By adopting technique scheme, due to the setting of sealing ring, the degree of depth of circular cavity and the thickness between baffle plate and sealing ring and just equal cannot be ensured when connecting housing and lower cover, therefore after completion of installation impact is shone on the sealing effectiveness of housing, or it is attractive in appearance to there is gap impact between the both ends of the surface of housing and lower cover, therefore arranges rubber seal ring between housing and lower cover.
The utility model is set to further: the cylindrical setting in openend of described lampshade, and one end that described lower cover is relative with housing is provided with the baffle ring inwardly expanded, and the interior circular diameter of described baffle ring is identical with lampshade openend outside diameter.
By adopting technique scheme, lampshade can be avoided to shake in lower cover and housing connection procedure and to cause lampshade to tilt, thus increase the connection difficulty of cap and housing.
The utility model is set to further: described housing is connected with bolt between lower cover, and described bolt is arranged along lower cover direction of axis line.
The utility model is set to further: described lower cover is provided with the second screwed hole running through both ends of the surface, and on the end face of described housing, the position of corresponding second screwed hole is provided with the second threaded connection hole.
In sum, the utility model explosion-proof lamp has sealing effectiveness excellent, and protection cylinder mould can be dismantled separately and not affect the advantage that explosion suppression type explosion-preventing lamp normally uses.
Accompanying drawing explanation
Fig. 1 is the structural representation one of explosion suppression type explosion-preventing lamp;
Fig. 2 is the structural representation two of explosion suppression type explosion-preventing lamp;
Fig. 3 is the structural representation three of explosion suppression type explosion-preventing lamp;
Fig. 4 is the structural representation four of explosion suppression type explosion-preventing lamp.
Reference numeral: 1, housing; 11, the second threaded connection hole; 2, sealing ring; 3, lower cover; 31, the second screwed hole; 32, the first screwed hole; 4, lampshade; 41, baffle plate; 45, sealing ring; 5, cylinder mould is protected; 51, annular connecting portion; 52, the first threaded connection hole.
Detailed description of the invention
Referring to figs. 1 through Fig. 4, the utility model explosion suppression type explosion-preventing lamp is described further.
Be a kind of embodiment of the utility model explosion suppression type explosion-preventing lamp as shown in Figure 1 to Figure 3, it comprises housing 1, lower cover 3, lampshade 4 and protection cylinder mould 5, lampshade 4 open end edge is provided with the annular baffle 41 to extending out, lower cover 3 is in annular, the outside diameter of baffle plate 41 is greater than the interior circular diameter of lower cover 3, housing 1 lower end is provided with the circular cavity for drawing baffle plate 41 in, the utility model adopts lower cover 3 to be fixed in circular cavity with the connection of housing 1 by the baffle plate 41 on lampshade 4, realizes the fixing of lampshade 4.
Protection cylinder mould 5 end is provided with annular connecting portion 51, connecting portion lateral wall is provided with the first threaded connection hole 52, connecting portion is socketed in lower cover 3, on lower cover 3 sidewall, the position of corresponding first threaded connection hole 52 is provided with the first screwed hole 32, housing 1 is detachably fixedly connected with lower cover 3, protection cylinder mould 5 is bolted on lower cover 3, lower cover 3 and housing 1 is separated when lampshade 4 changed by needs, and need to dismantle during dismounting protection cylinder mould 5 connecting bolt protected between cylinder mould 5 and lower cover 3, on lampshade 4 not impact, when disassembling protection cylinder mould 5, explosion-proof lamp can also continue to use, and the utility model structure is simple, dismantle and install all very convenient.
Further, because needs avoid imflammable gas and dust to enter housing 1 inside, therefore need to make housing 1 to be connected sealing in rear packaging shell 1 with lower cover 3, therefore between housing 1 and lampshade 4, be provided with sealing ring 45 carry out enhanced leaktightness effect, sealing ring 45 is located in circular cavity.
Again because sealing ring 45 is arranged on housing 1 inside, and explosion-proof lamp the inner heat produced is larger in use, therefore sealing ring 45 can be caused to melt when if sealing ring 45 material is rubber or aging very soon, cause sealing effectiveness not good, therefore sealing ring 45 material is metal.
But the degree of depth of circular cavity and the thickness between baffle plate 41 and sealing ring 45 and just equal cannot be ensured when connecting housing 1 and lower cover 3, therefore after completion of installation impact is shone on the sealing effectiveness of housing 1, or it is attractive in appearance to there is gap impact between the both ends of the surface of housing 1 and lower cover 3, therefore sealing ring 2 is provided with between the connecting end surface of housing 1 and lower cover 3, sealing ring 2 material is rubber, can the problems referred to above be effectively avoided to occur by the deformation characteristic of the sealing ring 2 of quality of rubber materials, and can enhanced leaktightness effect further.
In addition, by cylindrical for the openend of lampshade 4 setting, one end that lower cover 3 is relative with housing 1 is provided with the baffle ring inwardly expanded, the interior circular diameter of baffle ring is identical with lampshade 4 openend outside diameter, above structure can be avoided lampshade 4 to shake in lower cover 3 with housing 1 connection procedure causing lampshade 4 to tilt, thus increases the connection difficulty of cap and housing 1.
In the utility model, be bolted between housing 1 and lower cover 3, bolt is arranged along lower cover 3 direction of axis line.Lower cover 3 is provided with the second screwed hole 31 running through both ends of the surface, on the end face of housing 1, the position of corresponding second screwed hole 31 is provided with the second threaded connection hole 11, in the utility model, the quantity of the first screwed hole 32, second screwed hole 31, first threaded connection hole 52 and the second threaded connection hole 11 is all set to three, and the first screwed hole 32 and the second screwed hole 31 are evenly interspersed around the axial line of lower cover 3.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. an explosion suppression type explosion-preventing lamp, comprise housing, lower cover, lampshade and protection cylinder mould, it is characterized in that: described lampshade open end edge is provided with the annular baffle to extending out, described lower cover is annular, the outside diameter of described baffle plate is greater than the interior circular diameter of lower cover, described housing lower end is provided with the circular cavity for drawing baffle plate in, described protection cylinder mould end is provided with annular connecting portion, described connecting portion lateral wall is provided with the first threaded connection hole, described connecting portion is socketed in lower cover, on described lower cover sidewall, the position of corresponding first threaded connection hole is provided with the first screwed hole, described housing is detachably fixedly connected with lower cover.
2. explosion suppression type explosion-preventing lamp according to claim 1, is characterized in that: be provided with sealing ring between described housing and lampshade, and described sealing ring is located in circular cavity.
3. explosion suppression type explosion-preventing lamp according to claim 2, is characterized in that: described sealing ring material is metal.
4. explosion suppression type explosion-preventing lamp according to claim 2, is characterized in that: be provided with sealing ring between the connecting end surface of described housing and lower cover, and described sealing ring material is rubber.
5. explosion suppression type explosion-preventing lamp according to claim 2, it is characterized in that: the cylindrical setting in openend of described lampshade, one end that described lower cover is relative with housing is provided with the baffle ring inwardly expanded, and the interior circular diameter of described baffle ring is identical with lampshade openend outside diameter.
6. explosion suppression type explosion-preventing lamp according to claim 1, is characterized in that: described housing is connected with bolt between lower cover, and described bolt is arranged along lower cover direction of axis line.
7. explosion suppression type explosion-preventing lamp according to claim 5, is characterized in that: described lower cover is provided with the second screwed hole running through both ends of the surface, and on the end face of described housing, the position of corresponding second screwed hole is provided with the second threaded connection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530457.3U CN204785728U (en) | 2015-07-21 | 2015-07-21 | Flame -proof type explosion -proof lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530457.3U CN204785728U (en) | 2015-07-21 | 2015-07-21 | Flame -proof type explosion -proof lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204785728U true CN204785728U (en) | 2015-11-18 |
Family
ID=54525775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520530457.3U Expired - Fee Related CN204785728U (en) | 2015-07-21 | 2015-07-21 | Flame -proof type explosion -proof lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204785728U (en) |
-
2015
- 2015-07-21 CN CN201520530457.3U patent/CN204785728U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20151118 Termination date: 20160721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |