Anti-explosion LED projection lamp

Abstract

The utility model relates to an anti-explosion light-emitting diode (LED) projection lamp. A mounting opening is formed in the lamp shell main body; a mounting boss is arranged on the inner circumferential surface of the lamp shell main body in an inward fixed extending manner; an abutting boss is fixedly arranged on the inner circumferential face of the end, close to the connecting face, of the lamp shell, and after the lamp shell is connected to the lamp shell body in a threaded mode, the light-transmitting explosion-proof glass sheet is pressed between the installation boss and the abutting boss. The installation boss and the abutting boss are arranged between the lamp shell body and the lamp shell, the light-transmitting explosion-proof glass sheet for light source transmission can be clamped, shaking of the light-transmitting explosion-proof glass sheet during use is avoided, the abutting boss on the lamp shell enables the area of the contact face, making contact with the lamp shell connecting face, of the light-transmitting explosion-proof glass sheet to be increased, and the light-transmitting explosion-proof glass sheet is prevented from shaking. The light-transmitting explosion-proof glass sheet is prevented from being crushed when the light-transmitting explosion-proof glass sheet is in contact with the light-transmitting explosion-proof glass sheet, and the quality of the explosion-proof LED projection lamp is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lamp technical field, concretely is a kind of explosion-proof LED projection lamp. BACKGROUND

[0002] In the field of lighting equipment, LED projection lamp is widely used due to its high efficiency, long life and environmental protection characteristics, especially in some special environments, such as oil, chemical industry, coal mine and other places where explosive gas or dust exists, higher requirements are put forward for the safety performance of LED projection lamp, and therefore explosion-proof LED projection lamp emerges as the times require, However, there are some deficiencies in the design and use of the existing explosion-proof LED projection lamp;

[0003] Firstly, its structure is often relatively complex, which leads to inconvenient operation during maintenance and disassembly, increases maintenance cost and time, secondly, since explosion-proof LED projection lamp is usually installed outdoors or in industrial environment, it is easy to be affected by external mechanical shock force, such as wind force, artificial collision, etc., which may cause the glass structure near the light source to break, not only affecting the lighting effect, but also possibly causing safety hazards, in addition, the existing explosion-proof LED projection lamp also has some problems in fixing and installing, for example, the fixing mode of some projection lamps is not stable enough, and is easy to loosen or fall off during use, while other projection lamps may be difficult to install and disassemble due to the complexity of fixing mode;

[0004] Therefore, in view of the deficiencies of the prior art, it is necessary to provide an explosion-proof LED projection lamp which is convenient to maintain and disassemble, and can keep the glass structure near the light source from breaking as much as possible when subjected to external mechanical shock force, to meet the lighting needs in special environment. SUMMARY

[0005] The utility model solves the technical problem in the prior art, and provides an explosion-proof LED projection lamp which is convenient to maintain and disassemble, and can keep the glass structure near the light source from breaking as much as possible when subjected to external mechanical shock force.

[0006] The technical problem to be solved by the utility model is solved by the following technical scheme, an explosion-proof LED projection lamp, the projection lamp comprises;

[0007] The lamp shell body is provided with a projection surface on one side and a maintenance surface on the other side, and a mounting hole is formed on the projection surface of the lamp shell body, and the space in the lamp shell body forms an LED lamp part placing space;

[0008] The light-transmitting explosion-proof glass sheet is fixedly extended inward on the inner circumferential surface of the lamp shell body at the mounting hole to form a mounting boss, so that the edge of the light-transmitting explosion-proof glass sheet abuts against the mounting boss.

[0009] The lamp shell is provided with an outer thread on the outer circumferential surface of the lamp shell body near the projection surface, an annular groove is formed on the connecting surface of the lamp shell, an inner thread is formed on the inner circumferential surface of the annular groove and is threadedly connected with the outer thread, and an abutting boss is fixedly arranged on the inner circumferential surface of the lamp shell near the connecting surface.

[0010] The technical problem to be solved by the utility model can also be solved by the following technical scheme.

[0011] The technical problem to be solved by the utility model can also be solved by the following technical scheme.

[0012] The technical problem to be solved by the utility model can also be solved by the following technical scheme.

[0013] The technical problem to be solved by the utility model can also be solved by the following technical scheme.

[0014] The technical problem to be solved by the utility model can also be solved by the following technical scheme.

[0015] Compared with the prior art, the utility model has the beneficial technical effects that:

[0016] (1) The installation boss and the abutting boss are arranged between the lamp shell body and the lamp shell, the light-transmitting explosion-proof glass sheet for light transmission is clamped, the light-transmitting explosion-proof glass sheet is prevented from shaking during use, the contact area of the contact surface of the connecting surface of the lamp shell in contact with the light-transmitting explosion-proof glass sheet is increased due to the abutting boss on the lamp shell, the light-transmitting explosion-proof glass sheet is prevented from being crushed when being in contact with the light-transmitting explosion-proof glass sheet, and the quality of the explosion-proof LED projection lamp is ensured.

[0017] (2) the threaded connection between the lamp shell body and the lamp shell, the two are very convenient to disassemble, the LED lamp parts are more quickly replaced, and a maintenance opening is arranged on the maintenance surface of the lamp shell body, so that the internal parts can be replaced without disassembling the lamp shell;

[0018] (3) since the lamp shell body is generally exposed to the outside, is easy to receive external force impact, and the O-shaped rubber gasket is fixedly arranged on the side surface of the abutting boss of the lamp shell body, so that the lamp shell body is slightly deformed by the O-shaped rubber gasket when mechanical impact force is received, thereby absorbing part of the mechanical impact force, so as to reduce the probability that the light-transmitting explosion-proof glass sheet is broken. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 it is the side sectional structure schematic view before assembly of the utility model;

[0020] Fig. 2 it is the side sectional structure schematic view after assembly of the utility model.

[0021] The drawings show that: 1, the lamp shell body; 2, the installation opening; 3, the light-transmitting explosion-proof glass sheet; 4, the installation boss; 5, the lamp shell; 6, the external thread; 7, the internal thread; 8, the abutting boss; 9, the O-shaped rubber gasket; 10, the lamp base; 11, the support plate; 12, the waist-shaped groove; 13, the adjusting hole; 14, the maintenance opening; 15, the maintenance cover; 16, the heat dissipation groove. DETAILED DESCRIPTION

[0022] The specific technical scheme of the utility model is further described below with reference to the drawings, so that the person skilled in the art can further understand the utility model, but does not constitute a limitation on its rights.

[0023] Example 1, refer to Figs. 1-2 An explosion-proof LED projection lamp, the projection lamp comprises;

[0024] The lamp shell body 1 is formed into a hollow cylindrical structure, one side of the lamp shell body 1 is provided as a projection surface, and the other side is provided as a maintenance surface; the installation opening 2 is formed on the projection surface of the lamp shell body 1, the installation opening 2 is a circular hole; the space in the lamp shell body 1 forms an LED lamp part placing space; the LED lamp parts (not shown in the figure) can be placed in the LED lamp part placing space;

[0025] The light-transmitting explosion-proof glass sheet 3 is formed into a circular sheet structure; the installation boss 4 is fixedly and inwardly extended on the inner circumferential surface of the lamp shell body 1 at the installation opening 2; the installation boss 4 is formed into a circular ring boss, so as to abut the edge of the light-transmitting explosion-proof glass sheet 3;

[0026] The lamp shell 5 is formed as a hollow cylindrical structure, one side of the lamp shell 5 is provided as a connecting surface, the other side is provided as an outer end surface, an outer thread 6 is formed on the outer circumferential surface of the lamp shell body 1 at the end close to the projection surface, an annular groove is formed on the connecting surface of the lamp shell 5, an inner thread 7 is formed on the inner circumferential surface of the annular groove and is threadedly connected with the outer thread 6, an abutting boss 8 is fixedly arranged on the inner circumferential surface of the end of the lamp shell 5 close to the connecting surface and is formed as a substantially circular ring, and the light-transmitting explosion-proof glass sheet 3 is pressed between the mounting boss 4 and the abutting boss 8 after the lamp shell 5 is screwed to the lamp shell body 1, so that the light-transmitting explosion-proof glass sheet 3 is accommodated.

[0027] In order to improve the explosion-proof performance of the explosion-proof LED projection lamp, an O-shaped rubber gasket 9 is fixedly arranged on the side surface of the abutting boss 8, which can cause the lamp shell body 1 to slightly deform when subjected to mechanical impact force, thereby absorbing part of the mechanical impact force, so as to reduce the probability of the light-transmitting explosion-proof glass sheet 3 being broken.

[0028] In order to facilitate the installation of the lamp shell body 1, a lamp base 10 is further included, the lamp base 10 is formed as a substantially square base, a pair of parallel support plates 11 are fixedly arranged on the upper surface of the lamp base 10, the support plates 11 are formed as substantially square plate structures, the support plates 11 are vertically fixed on the top surface of the lamp base 10, the gap between the two support plates 11 forms a lamp shell body 1 accommodating gap, a waist-shaped groove 12 is formed on the top of the support plate 11, the waist-shaped groove 12 is vertically arranged, an adjusting hole 13 is formed on the middle side wall of the lamp shell body 1, the adjusting hole 13 is a circular through hole, and the lamp shell body 1 is limited between the two support plates 11 by the bolt fastener which penetrates the waist-shaped groove 12 and the adjusting hole 13 in sequence.

[0029] Further including an access hole 14 and an access cover 15, the access hole 14 is formed on the maintenance surface of the lamp shell body 1 and is formed as a circular cover body, a plurality of bolt holes are formed on the maintenance surface of the lamp shell body 1 and the access cover 15 correspondingly, and the access cover 15 is screwed on the maintenance surface of the lamp shell body 1 by the bolt fastener screwed on the bolt holes, so as to shield the access hole 14.

[0030] In order to improve the heat dissipation effect of the explosion-proof LED projection lamp, a heat dissipation groove 16 is formed on the top and bottom of the two side walls of the lamp shell body 1, and the heat dissipation groove 16 can be formed as a substantially square groove.

[0031] When the explosion-proof LED projection lamp is used:

[0032] (1) Install the lamp shell body: first fix the lamp shell body 1 with LED light emitting lamp elements inside at the required position, ensure that the projection surface faces the correct lighting direction, if using the lamp base 10, place the lamp shell body 1 in the accommodating gap between the two support plates 11, and limit the lamp shell body 1 on the support plate 11 through the waist-shaped groove 12 and the adjusting hole 13 by the bolt fastener;

[0033] (2) Install the light-transmitting explosion-proof glass sheet 3: abut the edge of the light-transmitting explosion-proof glass sheet 3 on the mounting boss 4 on the inner circumferential surface of the lamp shell body 1, and tighten the lamp outer shell 5 so that the internal thread 7 on the connecting surface is screwed with the external thread 6 of the lamp shell body 1. During the tightening process, the abutting boss 8 in the lamp outer shell 5 will press the light-transmitting explosion-proof glass sheet 3, so that it is clamped between the mounting boss 4 and the abutting boss 8;

[0034] (3) Install other accessories: if necessary, O-shaped rubber gasket 9 can be installed on the side of the abutting boss 8 to increase the buffering effect and reduce the risk of breaking of the light-transmitting explosion-proof glass sheet 3;

[0035] (4) Install the maintenance cover 15: screw the maintenance cover 15 on the maintenance surface of the lamp shell body 1 through the bolt fastener, cover the maintenance opening 14, and it is done.

Claims

1. An explosion-proof LED spotlight, characterized in that: The projection lamp comprises: A lamp shell body, one side of the lamp shell body is provided as a projection surface, the other side is provided as a maintenance surface, an installation opening is formed on the projection surface of the lamp shell body, and a space in the lamp shell body forms an LED lamp part placing space; A light-transmitting explosion-proof glass sheet is fixedly extended inward on the inner circumferential surface of the lamp shell body at the installation opening to provide an installation boss for the edge of the light-transmitting explosion-proof glass sheet to abut against; A lamp outer shell, one side of the lamp outer shell is provided as a connecting surface, the other side is provided as an outer end surface, an outer thread is formed on the outer circumferential surface of one end of the lamp shell body close to the projection surface, an annular groove is formed on the connecting surface of the lamp outer shell, an inner thread is formed on the inner circumferential surface of the annular groove and is threadedly connected with the outer thread, an abutment boss is fixedly arranged on the inner circumferential surface of one end of the lamp outer shell close to the connecting surface, and the light-transmitting explosion-proof glass sheet is pressed between the installation boss and the abutment boss after the lamp outer shell is screwed to the lamp shell body.

2. The explosion-proof LED projection lamp according to claim 1, characterized in that: An O-shaped rubber gasket is fixedly arranged on the side of the abutment boss.

3. The explosion-proof LED projection lamp according to claim 1, characterized in that: A lamp base is further provided, a pair of parallel support plates are fixedly arranged on the lamp base, a gap between the two support plates forms a lamp shell body accommodating gap, a waist-shaped groove is formed on the top of the support plates, and an adjusting hole is formed on the middle side wall of the lamp shell body, and the lamp shell body is limited between the two support plates by a bolt fastener which sequentially penetrates the waist-shaped groove and the adjusting hole.

4. The explosion-proof LED projection lamp according to claim 3, characterized in that: The support plates are vertically fixed on the top surface of the lamp base.

5. The explosion-proof LED projection lamp according to claim 1, characterized in that: A maintenance opening and a maintenance cover are further provided, the maintenance opening is formed on the maintenance surface of the lamp shell body, a plurality of bolt holes are formed on the maintenance surface of the lamp shell body and the maintenance cover, and the maintenance cover is screwed on the maintenance surface of the lamp shell body by bolt fasteners screwed on the bolt holes, so as to shield the maintenance opening.

6. The explosion-proof LED projection lamp according to claim 1, characterized in that: Cooling grooves are formed on the top and bottom of the two side walls of the lamp shell body.

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