CN103363472A - Freehanded-opening-preventive explosion-proof lamp - Google Patents
Freehanded-opening-preventive explosion-proof lamp Download PDFInfo
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- CN103363472A CN103363472A CN2012100857576A CN201210085757A CN103363472A CN 103363472 A CN103363472 A CN 103363472A CN 2012100857576 A CN2012100857576 A CN 2012100857576A CN 201210085757 A CN201210085757 A CN 201210085757A CN 103363472 A CN103363472 A CN 103363472A
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- proof lamp
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- explosion
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Abstract
The invention discloses an freehanded-opening-preventive explosion-proof lamp. The freehanded-opening-preventive explosion-proof lamp comprises a first shell, a second shell and screws. The open end of the first shell and the open end of the second shell are respectively provided with internal threads and external threads mutually matched and used for preventing explosion. The first flange is arranged on the periphery of the open end of the first shell. A plurality of first connection holes evenly distributed along the periphery are arranged at the edge of the first flange, and at least one second connection hole is formed in the second shell. When the first shell and the second shell are connected by threads, each time the first shell and the second shell relatively rotate for a certain distance, the second connection hole is driven to correspondingly connect with one of the first connection holes, so that the second connection hole is correspondingly connected with one of the first connection holes after tightening, the first shell and the second shell can be fixedly connected through screws, the explosion-proof lamp is free of being opened with bare hands and is in protect status, and the safety of the lamp is improved; when the freehanded-opening-preventive explosion-proof lamp is needed to maintain, the screws of the freehanded-opening-preventive explosion-proof lamp are loosened by a wrench, the cover can be opened by rotating the second shell], so that convenience in maintenance is achieved.
Description
Technical field
The present invention relates to a kind of lighting device, relate in particular to a kind of anti-free-hand explosion-proof lamp of uncapping.
Background technology
Explosion-proof class light fixture, explosion-proof criteria requires will be provided with on the light fixture and prevents free-hand opening, because when the user uses the Portable illumination product in explosion-proof place, end the free-hand mechanism that opens if do not set up defences on the light fixture, the situation that just inevitable in use maloperation or other accidents cause light fixture to be opened.If the flame-proof type light fixture has been opened, explosion separation structure was lost efficacy, just might produce security incident, increased the danger of field of employment, personal safety to the staff forms potential threat, do not meet the requirement of electric apparatus for explosive atmospheres of GB3836-2010 explosive atmosphere yet, particularly adopt the explosion-proof class light fixture of threaded flame-proof type, if the small-sized light fixture that has only adopts the threaded flame-proof type structure, and when not having other safeguard structures, be easy to the free-hand light fixture of just can outwarding winding, increased the danger of field of employment.If by the free-hand light fixture of working of opening of people, consequence is hardly imaginable.
Summary of the invention
The object of the present invention is to provide a kind of security, assembling anti-free-hand explosion-proof lamp of uncapping easy to maintenance of strengthening.
In order to solve the problems of the technologies described above, the invention provides a kind of anti-free-hand explosion-proof lamp of uncapping, comprise the first housing and the second housing, the openend of the openend of described the first housing and described the second housing is respectively equipped with internal thread and the external screw thread that cooperatively interacts and be used for flame proof, described anti-free-hand explosion-proof lamp of uncapping also comprises screw, the openend of described the first housing is provided with the first flange along circumference, have a plurality of the first connecting holes that arrange along even circumferential on described the first flange, described the second housing is provided with at least one second connecting hole, described the second connecting hole passes described the second connecting hole and with described the first connecting hole described the first housing is fixedly connected with the second housing with the corresponding connection of described the first connecting hole, described screw.
Wherein, the centre-to-centre spacing between adjacent two described the first connecting holes is 10mm to 20mm.
Wherein, be provided with the second flange with the first flange corresponding matching along circumference on described the second housing, described the second connecting hole is arranged on the second flange.
Wherein, described the second connecting hole is two, and Central Symmetry is arranged on described the second flange.
Wherein, described the second hull outside face is provided with projection.
Wherein, described projection is two, and Central Symmetry is arranged on described the second flange.
Wherein, the shoulder hole of described the second connecting hole for matching with the nose shape of described screw.
Wherein, described anti-free-hand explosion-proof lamp of uncapping also comprises the nut that matches with described screw.
Wherein, the shoulder hole of described the first connecting hole for matching with described nut shape.
Wherein, the inner chamber of described the first housing is provided with the seal groove with the openend end corresponding matching of described the second housing, is provided with sealing ring in the described seal groove, and the openend end of described the second housing is resisted against described sealing ring.
After being threaded between anti-free-hand explosion-proof lamp of uncapping provided by the invention, the first housing and the second housing, utilizing screw again the two to be fixedly connected with, can avoid free-hand the two is opened.During assembling; in openend precession the first housing with the second housing; owing to have a plurality of the first connecting holes that arrange along even circumferential on the first flange of the first housing; the every relative rotation certain distance of the first housing and the second housing all can make the second connecting hole, and the first connecting hole is corresponding is communicated with one of them; the second housing and the first housing be threaded cooperate tighten after; can make the second connecting hole and the corresponding connection of certain first connecting hole; facilitating the use screw passes the second connecting hole and with the first connecting hole the first housing is fixedly connected with the second housing; can realize simultaneously the anti-free-hand light fixture of opening, make light fixture be in guard mode.When needing repairing, only need to unclamp screw with spanner, rotate the second housing, can uncap.Explosion-proof lamp provided by the invention not only assembles easy to maintenance, and anti-free-hand opening, and increases the security of light fixture, guarantees people's property and life security.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention, the below will do to introduce simply to the accompanying drawing of required use in the embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the partial structurtes cutaway view of anti-free-hand explosion-proof lamp of uncapping provided by the invention;
Fig. 2 is the schematic diagram of the first housing in the anti-free-hand explosion-proof lamp of uncapping of Fig. 1;
Fig. 3 is the schematic diagram at another visual angle of the first housing in the anti-free-hand explosion-proof lamp of uncapping of Fig. 1;
Fig. 4 is the schematic diagram of the second housing in the anti-free-hand explosion-proof lamp of uncapping provided by the invention;
Fig. 5 is the A-A profile of the second housing among Fig. 4;
Fig. 6 is the B-B profile of the second housing among Fig. 4;
Fig. 7 is the schematic perspective view of the second housing in the explosion-proof lamp of Fig. 1.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
See also Fig. 1, a kind of anti-free-hand explosion-proof lamp of uncapping that embodiment of the present invention provides comprises the first housing 1, the second housing 2 and screw 3.The openend of the openend of the first housing 1 and the second housing 2 is respectively equipped with internal thread and the external screw thread that cooperatively interacts and be used for flame proof, thread size and the degree of depth meet the threaded flame-proof type requirement that the GB3836-2010 explosive atmosphere is used electric apparatus for explosive atmospheres, the inner cavity that forms accommodating power for illumination device after the first housing 1 is connected with the second housing 2.
The openend of the first housing 1 is provided with the first flange 11 along circumference, have a plurality of the first connecting holes 12 that arrange along even circumferential on the first flange 11, the second housing 2 is provided with at least one second connecting hole 22, the second connecting hole 22 the first housing 1 with after the second housing 2 is threaded with 12 corresponding connections of the first connecting hole, screw 3 passes the second connecting hole 22 and with the first connecting hole 12 the first housing 1 is fixedly connected with the second housing 2.
In the present embodiment, as shown in Figure 1, anti-free-hand explosion-proof lamp of uncapping also further comprises the nut 4 that matches with screw 3, utilizes screw 3 and cooperating of nut 4 that the first housing 1 is fixedly connected with the second housing 2.Preferably, the shoulder hole of the first connecting hole 12 for matching with nut 4 shapes, particularly, nut 4 is hex nut, the first connecting hole 12 is the hexagonal shoulder hole, 4 are arranged in the first connecting hole 12 when assembling, utilize the hexagonal of nut 4 and cooperating so that nut 4 can not rotate of the first connecting hole 12 hexagonal configurations, so that the installation of screw 3.Herein, as other embodiment, the internal thread that also can match with screw 3 in the 12 interior processing of the first connecting hole, screw 3 pass behind the second connecting hole 22 to cooperate with the first connecting hole 12 the first housing 1 are fixedly connected with the second housing 2.
The inner chamber of the first housing 1 is provided with the seal groove 15 with the openend end corresponding matching of the second housing 2, be provided with sealing ring 5 in the seal groove 15, the openend end of the second housing 2 is resisted against sealing ring 15, after in openend precession first housing 1 of the second housing 2, the pressure that utilizes the second housing 2 openend ends with sealing ring 5 jam-packeds in seal groove, utilize simultaneously the elasticity of sealing ring 5, can make the first housing 1 more fastening with being threaded of 2 of the second housings.
Preferably, centre-to-centre spacing between adjacent two the first connecting holes 12 is 10mm to 20mm, so that with the second connecting hole 22 corresponding matching, in the present embodiment particularly, such as Fig. 2, shown in Figure 3, the centre-to-centre spacing between adjacent two the first connecting holes 12 is 15mm, according to the size of the size of light fixture and the first flange 11 of arranging, be provided with 36 the first connecting holes 12 on the first flange 11, evenly be covered with the circumference of whole the first flange 11.Herein, the centre-to-centre spacing between adjacent two the first connecting holes 12 can specifically be determined, and determine accordingly the number of the first connecting hole 12 according to the size of light fixture, the circumferential length of the first flange 11, the factor such as size of the first connecting hole 12.
In the present embodiment, to shown in Figure 7, the second flange 21, the second connecting holes 22 that are provided with the first flange 11 corresponding matching along circumference on the second housing 2 are arranged on the second flange 21 such as Fig. 4; The second connecting hole 22 is two, and Central Symmetry is arranged on the second flange 21, and when assembling respectively corresponding first connecting hole 12, to strengthen being connected of the first housing 1 and the second housing 2., as other embodiment, can projection be set at the second housing 2 herein, the second connecting hole 22 is arranged on this projection, and each second connecting hole 22 need correspondence that a projection is set; The number of the second connecting hole 22 also can be one or three or more simultaneously.
Preferably, as shown in Figure 5, the shoulder hole of the second connecting hole 22 for matching with the nose shape of screw 3, after the assembling, the head of screw 3 is arranged in this shoulder hole, to prevent that other people are free-hand screw 3 is turned on.In the present embodiment, screw 3 is interior hexangular cylindrical screw, so that with the cooperating of screw 3 and shoulder hole, screw 3 also can adopt the screw of cross screw or yi word pattern screw or other specifications herein certainly.
Such as Fig. 6, shown in Figure 7, the lateral surface of the second housing 2 is provided with boss 23, preferably, boss 23 is two, and Central Symmetry is arranged on the second flange 21, and the first housing 1 cooperates with the second housing 2 when installing, finger pinches two boss 23, so that the installation of the second housing 2.In the present embodiment, the first housing 1 is the main casing of light fixture, is used for being fixedly connected with attachment, and the second housing 2 is Transparent Parts, and as the lampshade of light fixture, boss 23 is arranged on the impact that can avoid on the second flange 21 lighting effects.
During assembling; after the lamp interior parts install; sealing ring 5 is packed in the seal groove 15 of the first housing 1; pinch two boss 23 of the second housing 2 with finger; in openend precession the first housing 1 with the second housing 2; tighten; owing to have 36 the first connecting holes 12 that arrange along even circumferential on the first flange 11 of the first housing 1; centre-to-centre spacing between adjacent two the first connecting holes 12 is 15mm; the first housing 1 all can make the second connecting hole 22 and one of them 12 corresponding connection of the first connecting hole with the second housing 2 every relative rotation 15mm; the second housing 2 and the first housing 1 be threaded cooperate tighten after; can make two the second connecting holes 22 respectively with the 12 corresponding connections of certain two the first connecting holes; screw 3 is put in the second connecting hole 22; tighten with nut 4; cooperate with nut 4 with the first connecting hole 12 the first housing 1 is fixedly connected with the second housing 2 so that screw 3 passes the second connecting hole 22, can realize the anti-free-hand light fixture of opening, make light fixture be in guard mode.Simultaneously, head and the nut 4 of screw 3 lay respectively in each self-corresponding hole after the assembling, avoid free-hand screw 3 is turned on, and can make the profile of light fixture succinctly attractive in appearance.When needing repairing, only need to unclamp screw 3 with spanner, rotate the second housing 2, can uncap.Explosion-proof lamp provided by the invention is not only easy to maintenance, and anti-free-hand opening, and increases the security of light fixture, guarantees people's property and life security.
In the present embodiment, the first housing 1 is the main casing of light fixture, the second housing 2 is Transparent Parts, certainly, the two structure can exchange mutually, namely is provided with a plurality of the first connecting holes that arrange along even circumferential in Transparent Parts, and main casing is provided with at least one second connecting hole that is used for corresponding connection with the first connecting hole, the rotation Transparent Parts can make certain the corresponding connection with the second connecting hole in a plurality of the first connecting holes.
The above is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (10)
1. prevent free-hand explosion-proof lamp of uncapping for one kind, comprise the first housing and the second housing, the openend of the openend of described the first housing and described the second housing is respectively equipped with internal thread and the external screw thread that cooperatively interacts and be used for flame proof, it is characterized in that, described anti-free-hand explosion-proof lamp of uncapping also comprises screw, the openend of described the first housing is provided with the first flange along circumference, have a plurality of the first connecting holes that arrange along even circumferential on described the first flange, described the second housing is provided with at least one second connecting hole, described the second connecting hole passes described the second connecting hole and with described the first connecting hole described the first housing is fixedly connected with the second housing with the corresponding connection of described the first connecting hole, described screw.
2. anti-free-hand explosion-proof lamp of uncapping according to claim 1 is characterized in that the centre-to-centre spacing between adjacent two described the first connecting holes is 10mm to 20mm.
3. anti-free-hand explosion-proof lamp of uncapping according to claim 1 is characterized in that, is provided with the second flange with the first flange corresponding matching along circumference on described the second housing, and described the second connecting hole is arranged on the second flange.
4. anti-free-hand explosion-proof lamp of uncapping according to claim 3 is characterized in that described the second connecting hole is two, and Central Symmetry is arranged on described the second flange.
5. anti-free-hand explosion-proof lamp of uncapping according to claim 3 is characterized in that described the second hull outside face is provided with projection.
6. anti-free-hand explosion-proof lamp of uncapping according to claim 5 is characterized in that described projection is two, and Central Symmetry is arranged on described the second flange.
7. anti-free-hand explosion-proof lamp of uncapping according to claim 1 is characterized in that, the shoulder hole of described the second connecting hole for matching with the nose shape of described screw.
8. each described anti-free-hand explosion-proof lamp of uncapping is characterized in that according to claim 1-7, and described anti-free-hand explosion-proof lamp of uncapping also comprises the nut that matches with described screw.
9. anti-free-hand explosion-proof lamp of uncapping according to claim 8 is characterized in that, the shoulder hole of described the first connecting hole for matching with described nut shape.
10. anti-free-hand explosion-proof lamp of uncapping according to claim 1, it is characterized in that, the inner chamber of described the first housing is provided with the seal groove with the openend end corresponding matching of described the second housing, be provided with sealing ring in the described seal groove, the openend end of described the second housing is resisted against described sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100857576A CN103363472A (en) | 2012-03-28 | 2012-03-28 | Freehanded-opening-preventive explosion-proof lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100857576A CN103363472A (en) | 2012-03-28 | 2012-03-28 | Freehanded-opening-preventive explosion-proof lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103363472A true CN103363472A (en) | 2013-10-23 |
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ID=49365413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100857576A Pending CN103363472A (en) | 2012-03-28 | 2012-03-28 | Freehanded-opening-preventive explosion-proof lamp |
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| Country | Link |
|---|---|
| CN (1) | CN103363472A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0963349A (en) * | 1995-08-21 | 1997-03-07 | Tokyo Gas Co Ltd | Explosion-proof fluorescent luminaire |
| CN2881334Y (en) * | 2006-03-17 | 2007-03-21 | 重庆七色实业有限公司 | Suspension device of bolt fastened explosion-proof lamp |
| CN201232899Y (en) * | 2008-07-29 | 2009-05-06 | 胡金震 | Safety energy-conserving flameproof lamp for drilling derrick |
| CN102003632A (en) * | 2009-09-01 | 2011-04-06 | 海洋王照明科技股份有限公司 | Anti-explosion lamp capable of reducing glare |
| CN202012818U (en) * | 2011-04-07 | 2011-10-19 | 海洋王照明科技股份有限公司 | Anti-explosion roadway lamp |
-
2012
- 2012-03-28 CN CN2012100857576A patent/CN103363472A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0963349A (en) * | 1995-08-21 | 1997-03-07 | Tokyo Gas Co Ltd | Explosion-proof fluorescent luminaire |
| CN2881334Y (en) * | 2006-03-17 | 2007-03-21 | 重庆七色实业有限公司 | Suspension device of bolt fastened explosion-proof lamp |
| CN201232899Y (en) * | 2008-07-29 | 2009-05-06 | 胡金震 | Safety energy-conserving flameproof lamp for drilling derrick |
| CN102003632A (en) * | 2009-09-01 | 2011-04-06 | 海洋王照明科技股份有限公司 | Anti-explosion lamp capable of reducing glare |
| CN202012818U (en) * | 2011-04-07 | 2011-10-19 | 海洋王照明科技股份有限公司 | Anti-explosion roadway lamp |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20131023 |