CN203757657U - Anti-explosion lamp - Google Patents
Anti-explosion lamp Download PDFInfo
- Publication number
- CN203757657U CN203757657U CN201420168325.6U CN201420168325U CN203757657U CN 203757657 U CN203757657 U CN 203757657U CN 201420168325 U CN201420168325 U CN 201420168325U CN 203757657 U CN203757657 U CN 203757657U
- Authority
- CN
- China
- Prior art keywords
- power source
- lamp
- terminal box
- source cavity
- explosion
- 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 - Lifetime
Links
- 238000004880 explosion Methods 0.000 title abstract description 4
- 239000012530 fluid Substances 0.000 claims description 8
- 239000000565 sealant Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses an anti-explosion lamp which comprises a lamp casing, a wireless connection structure, a lamp light source and a lampshade which form a lamp body. The lamp casing comprises a wire outlet sleeve, a power supply cavity cover, a power supply cavity seat and a lampshade seat which are sequentially connected. A plurality of location blocks with circumferential clamping grooves are formed in the inner circumferential wall of the wire outlet sleeve at intervals in the circumferential direction. A plurality of location bosses are arranged on the outer circumferential wall of a wiring box at intervals in the circumferential direction, and an elastic clamping piece is arranged on the outer circumferential wall, wherein a limit boss is arranged at one end of at least one location boss. After the wiring box is installed in place, the location bosses are located in the circumferential clamping grooves, the limit boss abuts against the location blocks, the telescopic clamping piece is located between the two adjacent location blocks and abuts against one location block to prevent the location boss from retreating from the circumferential clamping grooves to prevent the wiring box from falling from the wire outlet sleeve. The anti-explosion lamp has the advantage of being good in use effect due to the fact that assembly and disassembly operation of the wiring box are both very convenient.
Description
Technical field
The utility model belongs to explosion-proof lamp structural design field.
Background technology
Explosion-proof lamp refers to for the hazardous area such as explosive atmosphere and combustible dust environment, can prevent imflammable gas and dust that the inner issuable electric arc of lamp housing, spark and high temperature ignite in surrounding environment, thereby reaches the light fixture of requirement of explosion proof.
A kind of explosion-proof electrodeless lamp is disclosed in patent documentation CN201242124Y, the lead collar inside of the explosion-proof electrodeless lamp in this patent documentation is provided with the terminal plate (being equivalent to the terminal box in the application) of being fixed by jump ring, in housing, be provided with high frequency electric source, between high frequency electric source and terminal plate, be provided with wireless connections contact.Because explosion-proof lamp is mostly arranged on eminence, and the installation and removal of terminal plate also all complete at height in the air, if adopt jump ring link plate, in the time of installation and removal, all need, by instrument, so, just increase difficulty to work high above the ground.
Utility model content
To this, the purpose of this utility model is to provide the more rational explosion-proof lamp of a kind of structure, and the terminal box dismounting operation in this explosion-proof lamp is all very convenient.
The technical scheme that realizes the utility model object is:
A kind of explosion-proof lamp, comprises the lamp housing, wireless connections structure, lamp source and the lampshade that form lamp body; Described lamp housing comprises the lead collar, power source cavity lid, power source cavity seat and the shade holder that connect successively;
Described wireless connections structure comprises the terminal box that is arranged in described lead collar and is fixed on the junction block that described power source cavity covers, and described terminal box is provided with retractable electrode, and described junction block is provided with the fixed electrode of contact corresponding to described retractable electrode;
Described lampshade is fixedly connected with described shade holder, and is provided with the light-source chamber for described lamp source is set between the two, between described power source cavity lid and described power source cavity seat, is provided with the power source cavity for power supply is set; Described fixed electrode is electrically connected with described power supply, and described lamp source is electrically connected with described power supply;
On the internal perisporium of described lead collar, edge is circumferentially arranged at intervals with multiple locating pieces with circumferential draw-in groove; On the periphery wall of described terminal box, edge is circumferentially arranged at intervals with multiple positioning boss and a scalable fastener; Wherein one end of at least one positioning boss is provided with positive stop lug boss; After described terminal box is in place, described positioning boss is positioned at described circumferential draw-in groove, described positive stop lug boss is against on described locating piece, described scalable fastener, between two adjacent locating pieces, and offsets to prevent that with one of them locating piece described positioning boss from exiting and then described terminal box is come off from described lead collar from described circumferential draw-in groove.
In technique scheme, described scalable fastener comprises the clamp in terminal box described in extended/retraction and is located at provides the elastic component of reseting elasticity for described clamp in described terminal box, on described clamp, form and press boss, described in press boss and extend the outside of described terminal box.
In technique scheme, between described power source cavity seat and described shade holder, be provided with heat insulating mattress, described power source cavity seat is fixedly connected with by holding screw with described shade holder.
In technique scheme, described shade holder is provided with the cable-through hole for the electric wire that is connected described power supply and described lamp source is set with described power source cavity seat correspondence position, in the gap between described electric wire and described cable-through hole, is filled with fluid sealant.
In technique scheme, periphery wall on described junction block is provided with external screw thread, the inwall of described power source cavity lid is provided with internal thread, described external screw thread and described internal thread threaded are fixed on described power source cavity by described junction block and cover, and are provided with sealing ring between described junction block and described power source cavity lid.
The utlity model has positive effect:
(1) in explosion-proof lamp of the present utility model, when by terminal box and lead collar assembling, screw (at this moment need to control described scalable fastener retraction described in terminal box in) so that the positioning boss in described terminal box enters in described circumferential draw-in groove, and described positive stop lug boss is against on locating piece, now need to make scalable fastener to stretch out described terminal box, so that it is against on locating piece, so, described terminal box is just fixed and puts in place, can be again along circumferentially unmovable, in the time of dismounting terminal box, only need to control in scalable fastener retraction terminal box, then screw terminal box, described positioning boss is exited from the circumferential draw-in groove of described locating piece, operation is very easy in dismounting.
(2) in explosion-proof lamp of the present utility model, described scalable fastener comprises the clamp in terminal box described in extended/retraction and is located at provides the elastic component of reseting elasticity for described clamp in described terminal box, on described clamp, form and press boss, described in press boss and extend the outside of described terminal box.The designs simplification of the scalable fastener of said structure is reasonable, in the time of operation, described in pressing, press boss, can make described clamp overcome described in the reseting elasticity retraction of described elastic component in terminal box, remove and described in being applied to, press the pressure on boss, under the elastic force effect of described elastic component, described clamp stretches out described terminal box.
(3) because described lamp source can produce a large amount of heats when luminous, therefore the temperature of described shade holder is higher, in order to prevent that the high heat of shade holder is delivered on described power source cavity seat and then to the power generation injury in described power source cavity, therefore be provided with heat insulating mattress in explosion-proof lamp of the present utility model.
(4) in explosion-proof lamp of the present utility model, described shade holder is provided with the cable-through hole for the electric wire that is connected described power supply and described lamp source is set with described power source cavity seat correspondence position, in gap between described electric wire and described cable-through hole, be filled with fluid sealant, described fluid sealant can make epoxide-resin glue.By filling described fluid sealant, can be by completely isolated to described power source cavity and described light-source chamber, thereby thereby effectively avoid the heat in light-source chamber to enter in power source cavity the power supply in power source cavity is damaged by the gap between electric wire and cable-through hole; Also can prevent that the electric spark producing in described light-source chamber or described power source cavity from entering in described power source cavity or described light-source chamber, and then the described lamp source in described power supply or described light-source chamber in described power source cavity is damaged simultaneously.
Brief description of the drawings
Fig. 1 is a kind of front view of explosion-proof lamp of the present utility model;
Fig. 2 is the cutaway view that shown in Fig. 1, explosion-proof lamp dissects along A-A line;
Fig. 3 is in explosion-proof lamp of the present utility model, a kind of front view when lead collar and terminal box assembling;
Fig. 4 is in explosion-proof lamp of the present utility model, stereogram when lead collar and terminal box assembling;
Fig. 5 is in explosion-proof lamp of the present utility model, the structural representation of lead collar;
Fig. 6 is in explosion-proof lamp of the present utility model, the structural representation of terminal box;
Fig. 7 is in explosion-proof lamp of the present utility model, the structural representation of clamp.
Reference numeral shown in figure is: 1-lamp housing; 11-lead collar; 12-power source cavity lid; 13-power source cavity seat; 14-shade holder; 15-locating piece; 16-elastic component; 2-wireless connections structure; 21-terminal box; 22-junction block; 23-positioning boss; 24 positive stop lug boss; 3-lamp source; 4-lampshade; 5-light-source chamber; 6-power source cavity; 7-clamp; 8-presses boss; 9-heat insulating mattress; 10-electric wire.
Detailed description of the invention
Below in conjunction with Figure of description, the concrete structure of explosion-proof lamp of the present utility model is done to illustrate:
A kind of explosion-proof lamp in the present embodiment, as depicted in figs. 1 and 2, it comprises the lamp housing 1, wireless connections structure 2, lamp source 3 and the lampshade 4 that form lamp body; Described lamp housing 1 comprises the lead collar 11, power source cavity lid 12, power source cavity seat 13 and the shade holder 14 that connect successively; Described wireless connections structure 2 comprises the terminal box 21 being arranged in described lead collar 11 and is fixed on the junction block 22 on described power source cavity lid 12, described terminal box 21 in the present embodiment adopts plug in type connection mode common in prior art to be connected with external power source cable, this mode of connection is more convenient, and reliability is also secure; Described terminal box 21 is provided with retractable electrode, and described junction block 22 is provided with the fixed electrode of contact corresponding to described retractable electrode; Described retractable electrode contacts and can form electrical connection with fixed electrode; Described lampshade 4 is fixedly connected with described shade holder 14, and is provided with the light-source chamber 5 for described lamp source 3 is set between the two, between described power source cavity lid 12 and described power source cavity seat 13, is provided with the power source cavity 6 for power supply is set; Described fixed electrode is electrically connected with described power supply, and described lamp source 3 is electrically connected with described power supply; Referring to Fig. 5, on the internal perisporium of described lead collar 11, edge is circumferentially arranged at intervals with multiple locating pieces 15 with circumferential draw-in groove; Referring to Fig. 6, on the periphery wall of described terminal box 21, edge is circumferentially arranged at intervals with multiple positioning boss 23 and a scalable fastener; Wherein one end of at least one positioning boss 23 is provided with positive stop lug boss 24; After described terminal box 21 is in place, described positioning boss 23 is positioned at described circumferential draw-in groove, described positive stop lug boss 24 is against on described locating piece 15, described scalable fastener is between two adjacent locating pieces 15, and offset to prevent that with one of them locating piece 15 described positioning boss 23 from exiting and then described terminal box 21 is come off from described lead collar 11 from described circumferential draw-in groove, referring to Fig. 3 and Fig. 4.Should be noted: the spacing of two adjacent locating pieces 5 must be not less than the length of described positioning boss 23; In the explosion-proof lamp of the present embodiment, in the time that described terminal box 21 is assembled with described lead collar 11, screw (at this moment need to control described in described scalable fastener retraction in terminal box 21) so that the positioning boss 23 in described terminal box 21 enters in described circumferential draw-in groove, and described positive stop lug boss 24 is against on locating piece 15, now need to make scalable fastener to stretch out described terminal box 21, so that it is against on locating piece 15, so, described terminal box 21 is just fixed and puts in place, can be again along circumferentially unmovable; In the time of dismounting terminal box 21, only need to control in scalable fastener retraction terminal box 21, then screw terminal box 21, described positioning boss 23 is exited from the circumferential draw-in groove of described locating piece 15, operation is very easy in whole dismounting.
Referring to Fig. 7, described scalable fastener in the present embodiment comprises the clamp 7 in terminal box 21 described in extended/retraction and is located at provides the elastic component 16 of reseting elasticity for described clamp 7 in described terminal box 21, on described clamp 7, form and press boss 8, described in press boss 8 and extend the outside of described terminal box 21.The designs simplification of the scalable fastener in said structure is reasonable, in the time of concrete operations, described in pressing, press boss 8, can make described clamp 7 overcome described in the reseting elasticity retraction of described elastic component 16 in terminal box 21, remove and described in being applied to, press the pressure on boss 8, under the elastic force effect of described elastic component 16, described clamp 7 stretches out described terminal box 21; Described clamp 7 can be against on locating piece 15 after stretching out described terminal box 21.
In the present embodiment, between described power source cavity seat 13 and described shade holder 14, be provided with heat insulating mattress 9, described power source cavity seat 13 is fixedly connected with by holding screw with described shade holder 14.Because described lamp source 3 can produce a large amount of heats when luminous, therefore the temperature of described shade holder 14 is higher, in order to prevent that the high heat on shade holder 14 is delivered on described power source cavity seat 13 and then to the power generation injury in described power source cavity 6, therefore be provided with heat insulating mattress 9 in the present embodiment.
On the basis of said structure, described shade holder 14 in the present embodiment is provided with the cable-through hole for the electric wire 10 that is connected described power supply and described lamp source 3 is set with described power source cavity seat 13 correspondence positions, in gap between described electric wire 10 and described cable-through hole, be filled with fluid sealant, described fluid sealant can adopt epoxide-resin glue.By filling described fluid sealant, can be by completely isolated to described power source cavity 6 and described light-source chamber 5, thereby thereby effectively avoid the heat in light-source chamber 5 to enter in power source cavity 6 power supply in power source cavity 6 is damaged by the gap between electric wire 10 and cable-through hole; Also can prevent that the electric spark of described light-source chamber 5 or the 6 interior generations of described power source cavity from entering in described power source cavity 6 or described light-source chamber 5, and then the described lamp source 3 in described power supply or described light-source chamber 5 in described power source cavity 6 is damaged simultaneously.
In the present embodiment, periphery wall on described junction block 22 is provided with external screw thread, the inwall of described power source cavity lid 12 is provided with internal thread, described external screw thread and described internal thread threaded are fixed on described junction block 22 on described power source cavity lid 12, and are provided with sealing ring between described junction block 22 and described power source cavity lid 12; By adopting this structure can make the explosion-proof performance of explosion-proof lamp better, there is good result of use.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And these belong to apparent variation or the variation that connotation of the present utility model extends out and still belong to protection domain of the present utility model.
Claims (5)
1. an explosion-proof lamp, comprises the lamp housing (1), wireless connections structure (2), lamp source (3) and the lampshade (4) that form lamp body; Described lamp housing (1) comprises the lead collar (11), power source cavity lid (12), power source cavity seat (13) and the shade holder (14) that connect successively;
Described wireless connections structure (2) comprises and is arranged in the terminal box (21) in described lead collar (11) and is fixed on the junction block (22) on described power source cavity lid (12), described terminal box (21) is provided with retractable electrode, and described junction block (22) is provided with the fixed electrode of contact corresponding to described retractable electrode;
Described lampshade (4) is fixedly connected with described shade holder (14), and be provided with the light-source chamber (5) for described lamp source (3) are set between the two, between described power source cavity lid (12) and described power source cavity seat (13), be provided with the power source cavity (6) for power supply is set; Described fixed electrode is electrically connected with described power supply, and described lamp source (3) is electrically connected with described power supply;
It is characterized in that: on the internal perisporium of described lead collar (11), edge is circumferentially arranged at intervals with multiple locating pieces (15) with circumferential draw-in groove; On the periphery wall of described terminal box (21), edge is circumferentially arranged at intervals with multiple positioning boss (23) and a scalable fastener; Wherein one end of at least one positioning boss (23) is provided with positive stop lug boss (24); After described terminal box (21) is in place, described positioning boss (23) is positioned at described circumferential draw-in groove, described positive stop lug boss (24) is against on described locating piece (15), described scalable fastener is positioned between adjacent two locating pieces (15), and offsets to prevent that with one of them locating piece (15) described positioning boss (23) from exiting and then described terminal box (21) is come off from described lead collar (11) from described circumferential draw-in groove.
2. explosion-proof lamp according to claim 1, it is characterized in that: described scalable fastener comprises the clamp (7) in terminal box (21) described in extended/retraction and is located at provides the elastic component (16) of reseting elasticity for described clamp (7) in described terminal box (21), on described clamp (7), form and press boss (8), described in press boss (8) and extend the outside of described terminal box (21).
3. explosion-proof lamp according to claim 2, is characterized in that: between described power source cavity seat (13) and described shade holder (14), be provided with heat insulating mattress (9), described power source cavity seat (13) is fixedly connected with by holding screw with described shade holder (14).
4. explosion-proof lamp according to claim 1, it is characterized in that: described shade holder (14) is provided with the cable-through hole for the electric wire (10) that is connected described power supply and described lamp source (3) is set with described power source cavity seat (13) correspondence position, in the gap between described electric wire (10) and described cable-through hole, is filled with fluid sealant.
5. according to the explosion-proof lamp described in any one in claim 1 to 4, it is characterized in that: the periphery wall on described junction block (22) is provided with external screw thread, the inwall of described power source cavity lid (12) is provided with internal thread, it is upper that described junction block (22) is fixed on described power source cavity lid (12) by described external screw thread and described internal thread threaded, and be provided with sealing ring between described junction block (22) and described power source cavity lid (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420168325.6U CN203757657U (en) | 2014-04-08 | 2014-04-08 | Anti-explosion lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420168325.6U CN203757657U (en) | 2014-04-08 | 2014-04-08 | Anti-explosion lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203757657U true CN203757657U (en) | 2014-08-06 |
Family
ID=51252925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420168325.6U Expired - Lifetime CN203757657U (en) | 2014-04-08 | 2014-04-08 | Anti-explosion lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203757657U (en) |
-
2014
- 2014-04-08 CN CN201420168325.6U patent/CN203757657U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term |