CN105508887B - Explosion suppression type explosion-preventing lamp lampshade and explosion-proof lamp - Google Patents

Explosion suppression type explosion-preventing lamp lampshade and explosion-proof lamp Download PDF

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Publication number
CN105508887B
CN105508887B CN201511014080.7A CN201511014080A CN105508887B CN 105508887 B CN105508887 B CN 105508887B CN 201511014080 A CN201511014080 A CN 201511014080A CN 105508887 B CN105508887 B CN 105508887B
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China
Prior art keywords
lampshade
explosion
groove
lamp
fixed holder
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CN201511014080.7A
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Chinese (zh)
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CN105508887A (en
Inventor
陈瑞力
张甫江
李少东
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浙江通明电器股份有限公司
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Publication of CN105508887A publication Critical patent/CN105508887A/en
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Publication of CN105508887B publication Critical patent/CN105508887B/en

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Abstract

The present invention provides a kind of explosion suppression type explosion-preventing lamp lampshade and explosion-proof lamp comprising, shell, including explosion-proof mounting surface;Fixed holder of lampshade, metal material are circular ring structure, have opposite aperture surface and outer diameter face, and the aperture surface of fixed holder of lampshade is equipped with groove;And lampshade, plastic material is made, and for the lampshade integrated injection molding on fixed holder of lampshade, lampshade includes open end, open end is circumferentially with lug boss, lug boss is adapted with the groove of fixed holder of lampshade, and groove is arranged by the aperture surface in fixed holder of lampshade in the present invention, to be formed by the way that the groove of lampshade and fixed holder of lampshade to be molded, avoid the step of being fixed using glue, ensure fixed firm, the increase explosion-proof performance of the two, and easy to process.

Description

Explosion suppression type explosion-preventing lamp lampshade and explosion-proof lamp

Technical field

The invention belongs to lighting areas, and in particular to a kind of explosion suppression type explosion-preventing lamp lampshade and explosion-proof lamp.

Background technique

Lamps and lanterns, refer to can light transmission, distribution and the utensil for changing distribution of light sources, including in addition to light source it is all for fixing and protect Whole components needed for protecting light source, and the route attachment connected to power supply.And explosion-proof lamp is one of many lamps and lanterns, tool There is explosion-proof performance.

Explosion suppression type explosion-preventing lamp, since 1st area is more severe, it is desirable that lamps and lanterns have very strong reliability.It includes lampshade, lamp Shell, lampshade be it is transparent, explosion-proof lamp lower for explosion-proof coefficient, lampshade is directly integrally formed the installation for being mounted on explosion-proof lamp On shell, and lampshade made of plastic material is used, since the joint surface of plastics and metal material is difficult to authenticate by flame-proof type Required combustion test is not applied for 1 high area's environment of requirement of explosion proof.

And explosion-proof lamp higher for explosion-proof performance, lampshade are fixed on lamp housing by fixing seat, and lampshade is mostly logical It crosses glue to be fixed in fixing seat, but since the adhesive property of glue limits, the connection between lampshade and fixing seat is often inadequate It is firm, the reliability of explosion-proof lamp is reduced, is unable to satisfy the demand to work under severe environmental conditions, and due to the high temperature of lamp, Will lead to glue aging causes bonding not firm, influences whole explosion-proof performance.

And the applying date is 2013.03.07, application No. is 201310073086.6 Chinese patents to disclose a kind of flame-proof type Explosion-proof lamp comprising shell, pressing ring and translucent cover;The shell includes explosion-proof mounting surface, and the explosion-proof mounting surface is equipped with interior Screw thread;The pressing ring has opposite aperture surface and outer diameter face, and the outer diameter face of the pressing ring is equipped with external screw thread, the explosion-proof peace It fills surface cover to be set to outside the pressing ring, the external screw thread of the pressing ring and the internal screw thread of the explosion-proof mounting surface are screwed, the pressing ring Aperture surface be equipped with protrusion, the protrusion be cyclic structure;The translucent cover includes open end, and the open end is equipped with Flanging, the periphery of the flanging is Nian Jie with the aperture surface of the pressing ring, and the flanging offsets with the protrusion, makes described Translucent cover is fixed on the shell by the pressing ring, and sealing is collectively formed in the translucent cover, the pressing ring and the shell Light-source chamber.But the periphery of the flanging of translucent cover is Nian Jie with the aperture surface of the pressing ring in the patent, causes in the structure Still there is glue bonding, under long-time use, glue aging also results in being not connected firmly for the two and leans on, and influences explosion-proof Energy.

Summary of the invention

For the deficiency more than solving, the present invention provides a kind of explosion suppression type explosion-preventing lamp lampshade for not needing glue bonding and Explosion-proof lamp.

The present invention provides: a kind of explosion suppression type explosion-preventing lamp lampshade comprising,

Fixed holder of lampshade, metal material are circular ring structure, have opposite aperture surface and outer diameter face, and the lampshade is solid The aperture surface of reservation is equipped with groove;And

Lampshade, plastic material are made, and for the lampshade integrated injection molding on fixed holder of lampshade, the lampshade includes opening End, the open end are circumferentially with lug boss, and the lug boss is adapted with the groove of fixed holder of lampshade.

The bottom of the lug boss is higher than the bottom of open end, the lug boss of the open end, the bottom of open end and lamp The bottom portion of groove of cover fixing seat forms the seal groove for placing sealing ring

The groove is by being located at the limiting section of upside and between the limiting unit of downside, the limiting unit and limiting section Groove is formed, the limiting unit width is less than the width of limiting section.

The face that the limiting unit is contacted with seal groove is inclined-plane.

The lug boss upper end of the lampshade forms ring wall, and the aperture surface of the ring wall and fixed holder of lampshade is in close contact.

The lampshade is integrally formed structure with fixed holder of lampshade by injection molding manner.

The cross section of the lampshade is parabola shaped.

A kind of explosion-proof lamp using above-mentioned explosion suppression type explosion-preventing lamp lampshade comprising shell, the shell are equipped with mounting surface, The mounting surface is equipped with above-mentioned explosion-proof lamp lampshade, and seal groove is equipped between the explosion-proof lamp lampshade and mounting surface, described close Sealing ring is set in sealing groove.

Multiple heat dissipation grid pieces being spaced apart from each other are additionally provided on the hull outside wall.

The outer diameter face of the fixed holder of lampshade is equipped with flange, and the flange is set in hull outside.

Groove is arranged by the aperture surface in fixed holder of lampshade in the present invention, by infusing the groove of lampshade and fixed holder of lampshade Moulding is at avoiding the step of being fixed using glue, it is ensured that fixed firm of the two increases explosion-proof performance, and easy to process.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is diagrammatic cross-section of the invention.

Fig. 3 is the enlarged diagram in Fig. 2 at A.

Fig. 4 is the diagrammatic cross-section of fixed holder of lampshade.

Fig. 5 is the enlarged diagram in Fig. 4 at B.

Fig. 6 is the diagrammatic cross-section of lampshade.

Fig. 7 is the enlarged diagram in Fig. 6 at C.

Specific embodiment

Embodiments of the present invention is further illustrated with reference to the accompanying drawing:

As shown in Figure 1, Figure 2 and Figure 3, the invention discloses a kind of explosion-proof lamps comprising, shell 1, including explosion-proof installation Face;Shell 1 includes upper housing 11, lower case 12 and cover board 13, and the lower case 12 is threadedly engaged with cover board 13, between the two The cavity for accommodating LED power is formed, the surface of the upper housing 11 is explosion-proof mounting surface, for installing LED light source, upper housing 11 Between cavity be equipped with channel, for electric wire pass through realize LED light source and LED power connection, upper housing 11 by screw with Lower case 12 is fixedly connected.

Multiple heat dissipation grid pieces being spaced apart from each other are additionally provided on 11 lateral wall of upper housing, for carrying out to LED light source Heat dissipation, while the also circumferential multiple heat dissipation grid pieces being spaced apart from each other of setting on the lateral wall of the lower case 12, for LED electricity It radiates in source.

As shown in Figure 4 and Figure 5, fixed holder of lampshade 2 are circular ring structure, have opposite aperture surface 25 and outer diameter face 26, The explosion-proof mounting surface of the fixed holder of lampshade and the shell is arranged concentrically, and the aperture surface of the fixed holder of lampshade 2 is equipped with groove 21, the groove 21 is cyclic structure, which is metal material;

The groove 21 is by being located at the limiting section 23 of upside and positioned at the limiting unit 24 of downside, the limiting unit 24 and limit Groove is formed between position portion 23,24 width of limiting unit is less than the width of limiting section 23.

For plastics the case where expanding with heat and contract with cold, sealing ring is set between fixed holder of lampshade and lampshade, can be kept away well Exempt from plastics to expand with heat and contract with cold the situation that the gap formed between fixed holder of lampshade causes sealing effect bad, it is small using downside width Limiting unit 24 and the bottom edge of lampshade between the cavity that is formed, as the mounting groove 4 for placing sealing ring, i.e. realization fixed holder of lampshade Sealing between upper housing meets the requirement of explosion proof of explosion-proof lamp.

As shown in Figure 6 and Figure 7, lampshade 3, the lampshade 3 include open end, and the open end is circumferentially with lug boss 31, The lug boss 31 is cyclic structure, and the lug boss 31 is adapted with the groove of fixed holder of lampshade, and is formed by injection molding, i.e., By Shooting Technique, the junction of lampshade and fixed holder of lampshade is molded directly in groove, one is eliminated and fixed using glue Defect, two its fixations, and not easily to fall off.The section of lug boss is rectangle, is stuck in groove, is difficult to carry out by external force Disassembly, it is ensured that the two it is fixed, effectively prevent lampshade from falling off, and eliminate current explosion-proof lamp and need with pressing ring fixed light The step of cover.

The bottom of the lug boss is higher than the bottom of open end, and the position constitutes bottom edge 33, is cyclic structure, described to open Lug boss, the bottom edge of open end and the bottom portion of groove of fixed holder of lampshade at mouth end form the seal groove for placing sealing ring, institute State the light-source chamber that shell, fixed holder of lampshade and lampshade constitute sealing.

And the face that limiting unit is contacted with seal groove is inclined-plane, the principle squeezed using inclined-plane, improves the sealing effect of sealing ring Fruit.

The outer diameter face of the fixed holder of lampshade is equipped with flange 22, and the flange is set in hull outside, and cover type installs energy It enough reduces dust or other substances and enters enclosure interior from gap.

And the section of lampshade be it is parabola shaped, can also be not limited to it is parabola shaped, such as semicircle, bullet shaped shape, Circumferentially protrusion forms lug boss on the upside of lampshade bottom edge for it, and the lug boss is integrally formed by being moulded in explosion-proof shell.

Since the aperture surface of limiting section is to face directly, therefore form ring wall 32, and the ring in the lug boss upper end of the lampshade 3 The aperture surface of wall and fixed holder of lampshade is in close contact, to improve laminating degree between the two.

Embodiment is not construed as limitation of the present invention, but any based on spiritual improvements introduced of the invention, all should be Within protection scope of the present invention.

Claims (8)

1. a kind of explosion suppression type explosion-preventing lamp lampshade, it is characterised in that: it includes,
Fixed holder of lampshade, metal material are circular ring structure, have opposite aperture surface and outer diameter face, the fixed holder of lampshade Aperture surface be equipped with groove;And
Lampshade, plastic material are made, and for the lampshade integrated injection molding on fixed holder of lampshade, the lampshade includes open end, The open end is circumferentially with lug boss, and the lug boss is adapted with the groove of fixed holder of lampshade,
The bottom of the lug boss is higher than the bottom of open end, and the lug boss of the open end, the bottom of open end and lampshade are solid The bottom portion of groove of reservation forms the seal groove for placing sealing ring,
The groove has the limiting unit positioned at the limiting section of upside and positioned at downside, shape between the limiting unit and limiting section At groove, the limiting unit width is less than the width of limiting section.
2. explosion suppression type explosion-preventing lamp lampshade according to claim 1, it is characterised in that: what the limiting unit was contacted with seal groove Face is inclined-plane.
3. explosion suppression type explosion-preventing lamp lampshade according to claim 1, it is characterised in that: the lug boss upper end of the lampshade is formed Ring wall, and the aperture surface of the ring wall and fixed holder of lampshade is in close contact.
4. explosion suppression type explosion-preventing lamp lampshade according to claim 1, it is characterised in that: the lampshade passes through injection molding manner and lamp Cover fixing seat is integrally formed structure.
5. explosion suppression type explosion-preventing lamp lampshade according to claim 1, it is characterised in that: the cross section of the lampshade is parabola Shape.
6. a kind of explosion-proof lamp using explosion suppression type explosion-preventing lamp lampshade described in the claims 1,2,3,4 or 5 comprising shell Body, the shell are equipped with mounting surface, and the mounting surface is equipped with above-mentioned explosion-proof lamp lampshade, the explosion-proof lamp lampshade and installation It is equipped with seal groove between face, sealing ring is set in the seal groove.
7. explosion-proof lamp according to claim 6, it is characterised in that: be additionally provided with multiple be spaced apart from each other on the hull outside wall Heat dissipation grid piece.
8. explosion-proof lamp according to claim 6, it is characterised in that: the outer diameter face of the fixed holder of lampshade is equipped with flange, institute It states flange and is set in hull outside.
CN201511014080.7A 2015-12-31 2015-12-31 Explosion suppression type explosion-preventing lamp lampshade and explosion-proof lamp CN105508887B (en)

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CN201511014080.7A CN105508887B (en) 2015-12-31 2015-12-31 Explosion suppression type explosion-preventing lamp lampshade and explosion-proof lamp

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CN105508887B true CN105508887B (en) 2019-02-22

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101749677A (en) * 2010-01-27 2010-06-23 海洋王照明科技股份有限公司;深圳市海洋王照明技术有限公司 Explosion-proof lamp
CN104033747A (en) * 2013-03-07 2014-09-10 深圳市海洋王照明工程有限公司 Explosion insulation type explosive-proof lamp
CN104180207A (en) * 2013-05-24 2014-12-03 深圳市海洋王照明工程有限公司 Explosion-proof lamp structure
CN104776341A (en) * 2015-05-05 2015-07-15 上海旗升电气有限公司 IIC-grade flame-proof type LED explosion-proof lamp
CN205278799U (en) * 2015-12-31 2016-06-01 浙江通明电器有限公司 Flame -proof type explosion -proof lamp lamp shade and explosion -proof lamp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8033687B2 (en) * 2009-06-26 2011-10-11 Pyroswift Holding Co., Limited Waterproof assembly of LED lamp cup

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101749677A (en) * 2010-01-27 2010-06-23 海洋王照明科技股份有限公司;深圳市海洋王照明技术有限公司 Explosion-proof lamp
CN104033747A (en) * 2013-03-07 2014-09-10 深圳市海洋王照明工程有限公司 Explosion insulation type explosive-proof lamp
CN104180207A (en) * 2013-05-24 2014-12-03 深圳市海洋王照明工程有限公司 Explosion-proof lamp structure
CN104776341A (en) * 2015-05-05 2015-07-15 上海旗升电气有限公司 IIC-grade flame-proof type LED explosion-proof lamp
CN205278799U (en) * 2015-12-31 2016-06-01 浙江通明电器有限公司 Flame -proof type explosion -proof lamp lamp shade and explosion -proof lamp

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