Anti-explosion LED lamp sealing structure

Abstract

The utility model discloses an anti-explosion LED lamp sealing structure which comprises a light-transmitting cover, a light-emitting diode (LED) lamp and a sealing cover. An installation space is formed in the light-transmitting cover, and the two ends of the light-transmitting cover are each provided with an opening. The light-emitting assembly is arranged in the mounting space; the two end covers are arranged at the two ends of the light-transmitting cover in a sleeving mode respectively, and the two end covers are used for sealing the two openings respectively; the two fastening assemblies are arranged on the two end covers correspondingly, and the fastening assemblies are used for fastening the end covers to the light-transmitting cover; an annular inner wall is formed on the inner side of the end cover and arranged on the periphery of the light-transmitting cover in a sleeving mode, and a first sealant part is arranged between the annular inner wall and the light-transmitting cover. At least one groove is formed in the end cover in the axial direction, a connecting hole is formed in the groove in the axial direction, the fastening assembly is installed in the connecting hole, and a second sealant part is arranged in the groove. Through the application of the anti-explosion LED lamp sealing structure, the anti-explosion LED lamp sealing structure which is good in sealing effect is provided, and the safety and the stability of an anti-explosion lamp can be effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof lamps, in particular to a sealing structure of an explosion-proof LED lamp. Background Art

[0002] At present, explosion-proof lamps are widely used in the lighting of working scenarios in dangerous environments such as oil extraction, oil refining, and chemical industries. Generally, a good sealing design is required to prevent the electric arcs and sparks that may be generated inside the lamp body from igniting the combustible gases and dust in the surrounding environment.

[0003] However, the existing explosion-proof lamps often have a relatively complex overall structure. Especially for the realization of the sealing effect, this makes their production and assembly costs relatively high. And with the aging of parts, their sealing may fail, thus bringing potential safety hazards. Summary of the Utility Model

[0004] In view of this, to solve the above problems, the purpose of the utility model is to provide a sealing structure of an explosion-proof LED lamp, including:

[0005] A light-transmitting cover, an installation space is formed inside the light-transmitting cover, and both ends of the light-transmitting cover have an open mouth;

[0006] A light-emitting component, which is arranged in the installation space;

[0007] Two end caps, the two end caps are respectively sleeved on both ends of the light-transmitting cover, and the two end caps are respectively used to close the two open mouths;

[0008] Two fastening components, the two fastening components are respectively arranged on the two end caps, and the fastening components are used to fasten the end caps on the light-transmitting cover;

[0009] Wherein, a circumferential inner wall is formed on the inner side of the end cap, the circumferential inner wall is sleeved on the outer periphery of the light-transmitting cover, and a first sealant part is arranged between the circumferential inner wall and the light-transmitting cover; at least one groove is axially arranged on the end cap, a connection hole is axially opened in the groove, the fastening component is installed in the connection hole, and a second sealant part is arranged in the groove.

[0010] In another preferred embodiment, it further includes: two connecting clips, the two connecting clips are respectively sleeved on the two end caps, and each connecting clip extends outwards to form a connecting end.

[0011] In another preferred embodiment, the fastening component includes at least one screw, the screw is installed in the connection hole, and at least one installation hole is respectively arranged at both ends of the light-emitting component, and the screw is connected in the installation hole.

[0012] In another preferred embodiment, the light-emitting component includes: at least one LED light source strip, a bracket, and a light source driver. The LED light source strip and the light source driver are respectively installed on two sides of the bracket, and at least two mounting holes are formed on the bracket.

[0013] In another preferred embodiment, two limiting grooves are provided on two opposite outer edges of the bracket, and two limiting strips are provided on the inner wall of the light-transmitting cover. The limiting strips are arranged in the limiting grooves.

[0014] In another preferred embodiment, it further includes: a locking piece and a locking bolt. A convex portion extends outward from the middle of one side of the bracket. At least a part of the LED light source strip is clamped between the locking piece and one side of the bracket, and the locking bolt is used to fasten the locking piece on the convex portion.

[0015] In another preferred embodiment, it further includes: a cable. The cable passes through one of the end caps and is connected to the light-emitting component.

[0016] In another preferred embodiment, a positioning groove is formed by inward recessing in the middle of one of the end caps towards the direction close to the light-transmitting cover. A through hole is opened in the positioning groove, and the cable is arranged through the through hole.

[0017] In another preferred embodiment, it further includes: a sealing ring. The sealing ring is arranged in the positioning groove, and the inner edge of the sealing ring is closely attached to the outer periphery of the cable.

[0018] In another preferred embodiment, it further includes: a pressing member. One end of the pressing member extends into the positioning groove, and one end of the pressing member abuts against the sealing ring.

[0019] Due to the adoption of the above technical solutions, the positive effects of the present utility model compared with the prior art are as follows:

[0020] By applying the present utility model, a sealing structure for an explosion-proof LED lamp with a better sealing effect is provided, which can effectively ensure the safety and stability of the explosion-proof lamp; the structure of the present utility model is simple, the installation is convenient, and the production cost is relatively low. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is an overall schematic diagram of a sealing structure for an explosion-proof LED lamp of the present utility model;

[0022] Figure 2 It is an axial cross-sectional schematic diagram of a sealing structure for an explosion-proof LED lamp of the present utility model;

[0023] Figure 3Partial schematic diagram of a sealing structure of an explosion-proof LED lamp of the present utility model;

[0024] Figure 4 Radial cross-sectional schematic diagram of a sealing structure of an explosion-proof LED lamp of the present utility model;

[0025] Figure 5 First installation schematic diagram of a sealing structure of an explosion-proof LED lamp of the present utility model;

[0026] Figure 6 Second installation schematic diagram of a sealing structure of an explosion-proof LED lamp of the present utility model;

[0027] Figure 7 Third installation schematic diagram of a sealing structure of an explosion-proof LED lamp of the present utility model.

[0028] In the drawings:

[0029] 1. Transparent cover; 2. Installation space; 3. Light-emitting component; 4. End cover; 5. Fastening component; 6. First sealant part; 7. Groove; 8. Connecting hole; 9. Second sealant part; 10. Screw; 11. Installation hole; 12. LED light source strip; 13. Bracket; 14. Light source driver; 15. Limiting groove; 16. Limiting strip; 17. Locking piece; 18. Locking bolt; 19. Protrusion; 20. Cable; 21. Positioning groove; 22. Through hole; 23. Sealing ring; 24. Pressing part; 25. Connecting clip; 26. Connection end; 27. Installation surface; 28. Hanging component; 29. Connecting pipe; 30. Pipe clamp; 31. Explosion-proof joint; 32. Explosion-proof junction box. Detailed implementation manners

[0030] Next, the technical solutions of the present utility model will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0031] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "horizontal", "vertical", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model, rather than indicating or implying that the device or component referred to must have a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0032] It should be specifically noted that the "horizontal" and "vertical" in the present utility model are used to illustrate the approximate positional relationship, rather than the strict "horizontal plane" or "vertical plane".

[0033] As Figures 1 to 4 shown, there is shown a sealing structure of an explosion-proof LED lamp in a preferred embodiment, including: a light-transmitting cover 1, an installation space 2 is formed inside the light-transmitting cover 1, and both ends of the light-transmitting cover 1 have an open end; a light-emitting component 3, the light-emitting component 3 is arranged in the installation space 2; two end caps 4, the two end caps 4 are respectively sleeved on both ends of the light-transmitting cover 1, and the two end caps 4 are respectively used to close the two open ends; two fastening components 5, the two fastening components 5 are respectively arranged on the two end caps 4, and the fastening component 5 is used to fasten the end cap 4 on the light-transmitting cover 1; wherein, a circumferential inner wall is formed on the inner side of the end cap 4, the circumferential inner wall is sleeved on the outer periphery of the light-transmitting cover 1, and a first sealant part 6 is arranged between the circumferential inner wall and the light-transmitting cover 1; the end cap 4 is provided with at least one groove 7 along the axial direction, a connection hole 8 is axially formed in the groove 7, the fastening component 5 is installed in the connection hole 8, and a second sealant part 9 is arranged in the groove 7. Further, the installation space 2 is provided for the light-emitting component 3 through the light-transmitting cover 1, the open ends at both ends of the light-transmitting cover 1 are closed through the two end caps 4, and the end cap 4 is fastened at the end of the light-transmitting cover 1 through the further cooperation of the fastening component 5; wherein, glue is pre-coated on the light-transmitting cover 1 or the circumferential inner wall before sleeving the end cap 4 to form the first sealant part 6, and the groove 7 is filled with glue after installing the fastening component 5 to form the second sealant part 9.

[0034] Further, as a preferred embodiment, the fastening component 5 includes at least one screw 10, the screw 10 is installed in the connection hole 8, and at least one installation hole 11 is respectively arranged at both ends of the light-emitting component 3, and the screw 10 is connected in the installation hole 11. Further, the screw 10 passes through the connection hole 8 and is fastened in the installation hole 11.

[0035] Further, as a preferred embodiment, preferably each fastening component 5 includes two screws 10, and the two screws 10 of each fastening component 5 are both arranged on the same end cap 4.

[0036] Further, as a preferred embodiment, the light-emitting component 3 includes: at least one LED light source strip 12, a bracket 13 and a light source driver 14, the LED light source strip 12 and the light source driver 14 are respectively installed on both sides of the bracket 13, and at least two installation holes 11 are formed on the bracket 13.

[0037] Further, as a preferred embodiment, C-shaped structures extend outwards at the opposite two outer edges of the bracket 13, and the installation holes 11 as described above are formed inside the C-shaped structures. Preferably, an installation hole 11 is respectively formed at both ends of each C-shaped structure along the length direction of the bracket 13.

[0038] Further, as a preferred embodiment, the LED light source strip 12 and the light source driver 14 are electrically connected by a circuit.

[0039] Further, as a preferred embodiment, two limiting grooves 15 are provided on two opposite outer edges of the bracket 13, and two limiting strips 16 are provided on the inner wall of the light-transmitting cover 1, and the limiting strips 16 are arranged in the limiting grooves 15.

[0040] Further, as a preferred embodiment, the two limiting strips 16 protrude radially inwards relative to the inner wall of the light-transmitting cover 1, and the two limiting strips 16 are arranged on two opposite sides of the inner wall of the light-transmitting cover 1. Further, the arrangement of the limiting strips 16 can guide the installation of the light-emitting component 3 and also limit the position of the bracket 13 in the installation space 2.

[0041] Further, as a preferred embodiment, it further includes: a locking piece 17 and a locking bolt 18. A convex portion 19 extends outwards in the middle of one side of the bracket 13, and at least a part of the LED light source strip 12 is clamped between the locking piece 17 and one side of the bracket 13, and the locking bolt 18 is used to fasten the locking piece 17 to the convex portion 19.

[0042] Further, as a preferred embodiment, an LED light source strip 12 is respectively arranged on both sides of the convex portion 19, and the locking piece 17 abuts against the upper surfaces of the two LED light source strips 12.

[0043] Further, as a preferred embodiment, the convex portion 19 preferably extends along the length direction of the bracket 13, and a plurality of locking pieces 17 and a plurality of locking bolts 18 are sequentially arranged along this length direction.

[0044] Further, as a preferred embodiment, it further includes: a cable 20, and the cable 20 passes through one of the end caps 4 and is connected to the light-emitting component 3.

[0045] Further, as a preferred embodiment, a positioning groove 21 is formed by inwards concaving the middle of one of the end caps 4 towards the direction close to the light-transmitting cover 1, and a through hole 22 is provided in the positioning groove 21, and the cable 20 passes through the through hole 22.

[0046] Further, as a preferred embodiment, it further includes: a sealing ring 23, the sealing ring 23 is arranged in the positioning groove 21, and the inner edge of the sealing ring 23 is closely attached to the outer periphery of the cable 20.

[0047] Further, as a preferred embodiment, it further includes: a pressing member 24, one end of the pressing member 24 extends into the positioning groove 21, and one end of the pressing member 24 abuts against the sealing ring 23.

[0048] Further, as a preferred embodiment, the pressing member 24 is provided in a sleeve structure. The pressing member 24 can be a connector or a hose, and the connector or hose is pressed in the positioning groove 21, and the cable 20 is arranged through the inside of the pressing member 24.

[0049] Further, as a preferred embodiment, when the pressing member 24 is a connector, the pressing member 24 can be fixedly connected to the positioning groove 21 through a threaded structure.

[0050] The above are only the preferred embodiments of the present invention, and do not limit the implementation manners and protection scope of the present invention accordingly.

[0051] The present invention further has the following implementation manners on the above basis:

[0052] In a further embodiment of the present invention, it further includes: two connecting clips 25, the two connecting clips 25 are respectively sleeved on the two end caps 4, and each connecting clip 25 extends outward to form a connecting end 26. Further, through the connection of the connecting end 26 of the connecting clip 25 and other components by bolts, the installation of the sealing structure of the explosion-proof LED lamp is realized.

[0053] As Figure 5 shown, in a further embodiment of the present invention, it further includes: an installation surface 27, and the connecting end 26 is installed on the installation surface 27 by bolts. Further, the installation surface 27 is preferably provided by the surface of an installation frame or a basic structure. The installation frame is preferably a frame installed on the basic structure, and the basic structure is a wall at the use environment, etc.

[0054] As Figure 6 shown, in a further embodiment of the present invention, it further includes: a hanging assembly 28, the connecting end 26 is connected to the lower end of the hanging assembly 28 by bolts, and the upper end of the hanging assembly 28 is preferably installed at a higher point in the use environment.

[0055] In a further embodiment of the present invention, the hanging assembly 28 preferably includes two suspension ropes or two chains.

[0056] As Figure 7 shown, in a further embodiment of the present invention, it further includes: a connecting pipe 29 and at least two pipe clamps 30. One end of the two pipe clamps 30 is fixedly installed at the lower part of the connecting pipe 29, and the upper part of the connecting pipe 29 is fixedly connected to the connecting clip 25. Further, the connecting pipe 29 is fixed at a specified position through the pipe clamps 30, and then the sealing structure of the explosion-proof LED lamp is installed through the connecting clip 25.

[0057] In a further embodiment of the present invention, the upper part of the connecting pipe 29 is arranged to be bent and inclined relative to the horizontal plane.

[0058] In a further embodiment of the present utility model, it further includes: an explosion-proof joint 31 and an explosion-proof junction box 32. The explosion-proof joint 31 and the explosion-proof junction box 32 are arranged at the lower part of the connecting pipe 29. The explosion-proof joint 31 is connected to the explosion-proof junction box 32, and the cable 20 extends downward and is connected to the explosion-proof joint 31.

[0059] The above are only the preferred embodiments of the present utility model, and do not limit the implementation manners and protection scope of the present utility model accordingly. For those skilled in the art, it should be able to realize that all the equivalent replacements and obvious changes made by using the description and illustrations of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An explosion-proof LED lamp sealing structure, characterized in that: include: A light-transmitting cover, wherein an installation space is formed inside the light-transmitting cover, and both ends of the light-transmitting cover have an open opening; A light-emitting component, wherein the light-emitting component is arranged in the installation space; Two end covers, the two end covers are respectively sleeved on the two ends of the light-transmitting cover, and the two end covers are respectively used to close the two open openings; Two fastening components, the two fastening components are respectively arranged on the two end covers, and the fastening components are used to fasten the end covers to the light-transmitting cover; Among them, an annular inner wall is formed on the inner side of the end cover, the annular inner wall is sleeved on the outer periphery of the light-transmitting cover, and a first sealant portion is arranged between the annular inner wall and the light-transmitting cover; the end cover is axially provided with at least one groove, a connecting hole is axially opened in the groove, the fastening assembly is installed in the connecting hole, and a second sealant portion is arranged in the groove.

2. The explosion-proof LED lamp sealing structure according to claim 1, characterized in that: Also includes: Two connecting clips are respectively sleeved on the two end covers, and each connecting clip extends outward to form a connecting end.

3. The explosion-proof LED lamp sealing structure according to claim 1, characterized in that: The fastening component includes at least one screw, and the screw is installed in the connecting hole. At least one mounting hole is respectively provided at both ends of the light-emitting component, and the screw is connected in the mounting hole.

4. The explosion-proof LED lamp sealing structure according to claim 3, characterized in that: The light emitting assembly comprises: at least one LED light source bar, a bracket and a light source driver. The LED light source bar and the light source driver are respectively installed on two sides of the bracket, and at least two installation holes are formed on the bracket.

5. The explosion-proof LED lamp sealing structure according to claim 4, characterized in that: Two limiting grooves are arranged on two opposite outer edges of the bracket, and two limiting strips are arranged on the inner wall of the light-transmitting cover. The limiting strips are arranged in the limiting grooves.

6. The explosion-proof LED lamp sealing structure according to claim 4, characterized in that: Also includes: A locking piece and a locking bolt, a protrusion is formed by extending outward from the middle of one side of the bracket, the LED light source strip is at least partially clamped between the locking piece and one side of the bracket, and the locking bolt is used to fasten the locking piece to the protrusion.

7. The explosion-proof LED lamp sealing structure according to claim 1, characterized in that: Also includes: A cable passes through one of the end caps and is connected to the light emitting component.

8. The explosion-proof LED lamp sealing structure according to claim 7, characterized in that: A positioning groove is formed in the middle of one of the end covers inwardly toward the direction close to the light-transmitting cover. A through hole is formed in the positioning groove, and the cable is arranged through the through hole.

9. The explosion-proof LED lamp sealing structure according to claim 8, characterized in that: Also includes: A sealing ring is arranged in the positioning groove, and the inner edge of the sealing ring is in close contact with the outer periphery of the cable.

10. The explosion-proof LED lamp sealing structure according to claim 9, characterized in that: Also includes: A pressing piece, one end of which extends into the positioning groove, and one end of which abuts against the sealing ring.

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