CN220623833U - Explosion-proof lamp cover - Google Patents
Explosion-proof lamp cover Download PDFInfo
- Publication number
- CN220623833U CN220623833U CN202322439677.2U CN202322439677U CN220623833U CN 220623833 U CN220623833 U CN 220623833U CN 202322439677 U CN202322439677 U CN 202322439677U CN 220623833 U CN220623833 U CN 220623833U
- Authority
- CN
- China
- Prior art keywords
- upper cover
- explosion
- proof lamp
- cover
- fixed ring
- 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.)
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- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses an explosion-proof lamp cover, which comprises an upper cover and a fixed ring, wherein the upper cover is a conical cover, the top end of the upper cover is provided with a mounting flange, the bottom of an inner cavity of the upper cover is provided with a threaded cylinder wall, the external thread wall of the fixed ring is in threaded connection with the threaded cylinder wall, and the bottom of the fixed ring is provided with a protective net cover; and a limiting device for preventing the fixing ring from loosening is fixed on the outer side wall of the upper cover. The explosion-proof lamp cover is convenient to install and detach, and can improve the operation efficiency of maintenance personnel in maintenance and overhaul of the explosion-proof lamp.
Description
Technical Field
The utility model relates to the technical field of explosion-proof lamps, in particular to an explosion-proof lamp cover.
Background
The explosion-proof lamp is used in dangerous place where flammable gas and dust exist, and can prevent electric arc, spark and high temperature possibly generated inside the lamp from igniting the flammable gas and dust in the surrounding environment, thereby achieving the explosion-proof requirement.
The common explosion-proof lamp comprises a transparent cover body, an upper cover body, a lower cover body, a protective net cover and a light source. Wherein, the upper cover body and the lower cover body are usually fixedly connected by adopting a plurality of screws and nuts, which is time-consuming and labor-consuming, and especially, a plurality of screws are required to be disassembled and assembled in sequence by workers in the processes of later maintenance, repair, maintenance, lamp bead replacement and the like, thereby seriously affecting the working efficiency.
The patent of the utility model with the publication number CN212537563U discloses an explosion-proof lamp, which comprises a lamp shade and an integrated lamp body, wherein: the lamp shade is arranged on the integrated lamp body, and the inner wall of the lamp shade and the integrated lamp body enclose a light source chamber; the integrated lamp body is provided with a mounting cavity and a mounting groove, the light source cavity, the mounting groove and the mounting cavity are sequentially communicated, the mounting groove is used for mounting a light source, and the mounting cavity is used for mounting a light source drive. The protection casing includes the screen panel and sets up annular press cover portion in the screen panel bottom, wherein: the annular pressing part is detachably connected with the integrated lamp body through a threaded fastener; the protective cover compresses the lampshade through the annular pressing part.
The explosion-proof lamp can solve the technical problem that the production and the assembly of the explosion-proof lamp are complicated due to the complex structure of the lamp body. But its protection casing adopts screw connection with integral type lamp body, when later stage staff dismantles explosion-proof lamp and assembles, need spend longer screw of screwing, is unfavorable for improving work efficiency.
Accordingly, there is a need to develop an explosion-proof lamp cover that addresses the above-described drawbacks.
Disclosure of Invention
The utility model aims to provide an explosion-proof lamp cover which is convenient to install and detach and can improve the operation efficiency of maintenance personnel for maintaining and overhauling the explosion-proof lamp.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to an explosion-proof lamp cover, which comprises an upper cover and a fixed ring, wherein the upper cover is a conical cover, the top end of the upper cover is provided with a mounting flange, the bottom of an inner cavity of the upper cover is provided with a threaded cylinder wall, the external thread wall of the fixed ring is in threaded connection with the threaded cylinder wall, and the bottom of the fixed ring is provided with a protective net cover; and a limiting device for preventing the fixing ring from loosening is fixed on the outer side wall of the upper cover.
Further, the limiting device comprises a spring piece, a plurality of inclined clamping grooves are formed in the part, below the upper cover, of the fixing ring along the circumferential direction, and plugs at the bottom end of the spring piece are obliquely inserted into the clamping grooves; the clamping groove is obliquely opened along the tightening direction of the fixing ring.
Further, a plurality of clamping grooves are formed in the outer wall of the fixing ring at equal intervals.
Further, the spring piece is fixedly connected with the upper cover through a screw.
Furthermore, the spring piece is specifically made of stainless steel.
Further, a plurality of radiating fins are uniformly distributed on the circumference of the outer conical wall of the upper cover, and the radiating fins are arranged along the normal direction of the conical surface.
Furthermore, the upper cover and the fixing ring are made of aluminum alloy materials.
Compared with the prior art, the utility model has the beneficial technical effects that:
compared with the prior art, the explosion-proof lamp cover has the advantages that all parts of the explosion-proof lamp are fixed in the upper cover in a threaded connection mode of the fixing ring, so that the explosion-proof lamp cover is convenient for workers to quickly assemble and disassemble, and the working efficiency can be improved.
The limiting device can prevent the fixing ring from loosening, so that the fixing ring is prevented from loosening when working in an environment with vibration.
Drawings
The utility model is further described with reference to the following description of the drawings.
FIG. 1 is a schematic perspective view of an explosion-proof lamp cover according to the present utility model;
FIG. 2 is a schematic perspective sectional view of the explosion-proof lamp cap of the present utility model;
FIG. 3 is a schematic view of a spring plate according to the present utility model;
FIG. 4 is a schematic perspective view of a retaining ring according to the present utility model;
fig. 5 is a schematic perspective view of the upper cover of the present utility model.
Reference numerals illustrate: 1. an upper cover; 2. a fixing ring; 3. a mounting flange; 4. a heat radiation fin; 5. a threaded cylinder wall; 6. a sealing gasket; 7. a lamp shade; 8. a spring piece; 9. a clamping groove; 10. a screw; 11. a partition board.
Detailed Description
The utility model provides the explosion-proof lamp cover, which is convenient to install and detach and can improve the operation efficiency of maintenance personnel for maintaining and overhauling the explosion-proof lamp.
The following description of the embodiments of the present utility model will be made in detail with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "middle," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.
Referring to the drawings, FIG. 1 is a schematic perspective view of the present utility model; FIG. 2 is a schematic perspective sectional view of the present utility model; FIG. 3 is a schematic view of a spring plate according to the present utility model; FIG. 4 is a schematic perspective view of a retaining ring according to the present utility model; fig. 5 is a schematic perspective view of the upper cover of the present utility model.
In a specific embodiment of the present utility model, as shown in fig. 1-4, the upper cover 1 and the fixing ring 2 are included, the upper cover 1 is a conical cover with a through top and a through bottom, an opening at the upper part is used for penetrating a power line, and a mounting flange 3 is arranged at the top end of the upper cover 1 and is used for being connected with a lamp holder. The circumference equipartition is a plurality of radiating fins 4 on the upper cover 1 outer cone wall, and radiating fins 4 set up along conical surface normal direction, and radiating fins 4 have the heat dissipation effect, can prevent explosion-proof lamp inside high temperature. The bottom of the inner cavity of the upper cover 1 is provided with a threaded cylinder wall 5, and the external threaded wall of the fixed ring 2 is in threaded connection with the threaded cylinder wall 5. The top surface of the fixed ring 2 and the bottom surface of the step of the threaded cylinder wall 5 are provided with preset spaces, and the sealing gasket 6 and the lampshade 7 can be sequentially installed in the preset spaces from top to bottom. The side wall of the upper cover 1 is fixed with a limiting device for preventing the fixed ring 2 from loosening. The inner cavity of the upper cover 1 and above the threaded cylinder wall 5 is provided with a baffle plate 11 for installing a light source, and the center of the baffle plate 11 is provided with a hole site for a power line to pass through, which is the prior art and is not described in detail.
The lampshade 7 can be made of toughened glass.
It will be appreciated that, during installation, the rubber sealing ring should be further disposed at the opening of the upper part of the upper cover 1, so as to fill up the gap between the power line and the upper cover 1, and prevent dust and flammable and explosive gas from entering, which is the prior art.
In a specific embodiment of the present utility model, as shown in fig. 1, 3 and 4, the limiting device comprises a spring piece 8, the fixed ring 2 is provided with a plurality of inclined clamping grooves 9 along the circumferential direction, the clamping grooves 9 are arranged at the position of the fixed ring 2 below the upper cover 1, and the plug at the bottom end of the spring piece 8 is obliquely inserted into the clamping grooves 9; the clamping groove 9 is opened along the screwing direction of the fixed ring 2, namely, the screwing direction of the fixed ring 2 is the same as the plug direction at the bottom end of the spring piece 8, the fixed ring 2 is not limited by the plug at the bottom end of the spring piece 8 when screwing, and when unscrewing, the plug at the bottom end of the spring piece 8 is propped against the clamping groove 9, so that the fixed ring 2 cannot loosen.
In one embodiment of the present utility model, as shown in fig. 1 and 4, the clamping grooves 9 are coaxially and uniformly provided with a plurality of clamping grooves 9 at intervals, so that a plurality of different tightening forces of the fixing ring 2 can be satisfied.
In a specific embodiment of the present utility model, as shown in fig. 1, the spring piece 8 is fixedly connected with the threaded hole of the upper cover 1 through the screw 10, and a screw fastening glue is disposed at the threaded connection, and the screw fastening glue can prevent the screw 10 from loosening.
The spring piece 8 is made of 304 stainless steel, the 304 stainless steel is corrosion-resistant and rust-proof, and the service life of the spring piece 8 can be prolonged.
The upper cover 1 and the fixing ring 2 are made of aluminum alloy, and the aluminum alloy has the characteristics of light weight, high heat dissipation efficiency and good corrosion resistance.
In a specific embodiment of the present utility model, as shown in fig. 1, 2 and 4, a protective screen is disposed at the bottom of the fixing ring 2 to prevent foreign matters from colliding with the lampshade 7. The fixing ring 2 and the protective net cover are cast into a whole.
The utility model relates to an explosion-proof lamp cover mounting and dismounting process, which comprises the following steps: the light source is arranged on the baffle 11 (this is the prior art), the sealing gasket 6 and the lampshade 7 are sequentially arranged at the step of the threaded cylinder wall 5, the fixing ring 2 and the upper cover 1 are connected to proper screwing force and angle, the sealing gasket 6 and the lampshade 7 are tightly pressed, the plug at the bottom end of the spring piece 8 is inserted into the clamping groove 9, the spring piece 8 is propped against the clamping groove 9 at the moment, and the fixing ring 2 cannot loosen. During disassembly, the fixed ring 2 is rotated in the screwing direction, so that a plug at the bottom end of the spring piece 8 is separated from the clamping groove 9, at the moment, the spring piece 8 is tilted by a tool or a hand to be far away from the outer wall of the fixed ring 2, and then the fixed ring 2 is unscrewed.
In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, so that the same similar parts of each embodiment refer to each other, and each embodiment may be combined with each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. The explosion-proof lamp cover is characterized by comprising an upper cover (1) and a fixed ring (2), wherein the upper cover (1) is a conical cover, a mounting flange (3) is arranged at the top end of the upper cover (1), a threaded cylinder wall (5) is arranged at the bottom of an inner cavity of the upper cover (1), an external thread wall of the fixed ring (2) is in threaded connection with the threaded cylinder wall (5), and a protective net cover is arranged at the bottom of the fixed ring (2); and a limiting device for preventing the fixing ring (2) from loosening is fixed on the outer side wall of the upper cover (1).
2. The explosion-proof lamp cover according to claim 1, wherein: the limiting device comprises a spring piece (8), a plurality of inclined clamping grooves (9) are formed in the part, below the upper cover (1), of the fixing ring (2) along the circumferential direction, and plugs at the bottom end of the spring piece (8) are obliquely inserted into the clamping grooves (9); the clamping groove (9) is obliquely opened along the screwing direction of the fixed ring (2).
3. The explosion-proof lamp cover according to claim 2, wherein: the clamping grooves (9) are arranged at equal intervals along the outer wall of the fixed ring (2).
4. The explosion-proof lamp cover according to claim 3, wherein: the spring piece (8) is fixedly connected with the upper cover (1) through a screw (10).
5. The explosion-proof lamp cover according to claim 2, wherein: the spring piece (8) is specifically made of 304 stainless steel.
6. The explosion-proof lamp cover according to claim 1, wherein: a plurality of radiating fins (4) are uniformly distributed on the circumference of the outer conical wall of the upper cover (1), and the radiating fins (4) are arranged along the normal direction of the conical surface.
7. The explosion-proof lamp cover according to claim 1, wherein: the upper cover (1) and the fixing ring (2) are made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322439677.2U CN220623833U (en) | 2023-09-08 | 2023-09-08 | Explosion-proof lamp cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322439677.2U CN220623833U (en) | 2023-09-08 | 2023-09-08 | Explosion-proof lamp cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220623833U true CN220623833U (en) | 2024-03-19 |
Family
ID=90212165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322439677.2U Active CN220623833U (en) | 2023-09-08 | 2023-09-08 | Explosion-proof lamp cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220623833U (en) |
-
2023
- 2023-09-08 CN CN202322439677.2U patent/CN220623833U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |