CN216113546U

CN216113546U - Explosion-proof lamp convenient to it is clean

Info

Publication number: CN216113546U
Application number: CN202121766828.XU
Authority: CN
Inventors: 赵友华
Original assignee: Wenzhou Dadi Lighting Technology Co ltd
Current assignee: Wenzhou Dadi Lighting Technology Co ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2022-03-22
Anticipated expiration: 2031-07-31

Abstract

The utility model discloses an explosion-proof lamp convenient to clean, which comprises an explosion-proof lamp shell, a lamp holder, a lamp tube, a lamp shade and a protective cover, wherein the rear end of the lamp shade is sleeved with a dustproof suite, the lamp holder is provided with an installation cavity, the installation cavity is provided with a first through hole and a second through hole, the installation cavity is provided with a clamping block capable of moving along the radial direction of the installation cavity, the rear end of the protective cover is abutted against the inner wall of an annular cavity after passing through the first through hole, the side wall of the dustproof suite is provided with a convex part protruding towards the outer side, the convex part is provided with a first inclined plane and a second inclined plane which incline forwards, one side of the clamping block facing the dustproof suite is provided with a clamping groove, the opening of the clamping groove is provided with a first abutting part and a second abutting part which abut against the first inclined plane and the second inclined plane respectively, the clamping block is provided with a third inclined plane which inclines backwards and is arranged towards one side of the protective cover, the rear end of the protective cover passes through the second through hole and abuts against the third inclined plane, the side wall of the protective cover is provided with a plurality of fixing grooves, the protective cover locking device further comprises a fixing device which is in inserting fit with the fixing groove so as to lock or unlock the protective cover.

Description

Explosion-proof lamp convenient to it is clean

Technical Field

The utility model relates to the field of explosion-proof lamps, in particular to an explosion-proof lamp convenient to clean.

Background

The explosion-proof lamp is used in dangerous places where combustible gas and dust exist, and can prevent electric arcs, sparks and high temperature possibly generated in the lamp from igniting the combustible gas and dust in the surrounding environment, so that the lamp meets the explosion-proof requirement. The explosion-proof lamp is also commonly used in the food processing industry, and some food processing workshops such as flour, baking, frying and the like can generate a large amount of dust and oil stains, so that the surface of the explosion-proof lamp can easily accumulate stains and dust, and especially when the explosion-proof lamp enters a crack of a lampshade of the explosion-proof lamp, the lighting effect of the explosion-proof lamp is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof lamp which is convenient to clean, is convenient to disassemble and assemble, and is provided with a dustproof sleeve, so that stains and dust are effectively prevented from entering a crack of the explosion-proof lamp.

In order to solve the technical problems, the utility model adopts the following technical scheme: an explosion-proof lamp convenient to clean comprises an explosion-proof lamp shell, a lamp holder arranged at the front end of the explosion-proof lamp shell, a lamp tube, a lamp shade and a protective cover arranged on the lamp holder, wherein a dustproof external member is sleeved at the rear end of the lamp shade, the lamp holder is provided with an annular cavity, a first through hole and a second through hole are arranged at the front end of an installation cavity, a plurality of clamping blocks capable of moving along the radial direction of the installation cavity are arranged in the installation cavity along the circumferential direction, the rear end of the protective cover is abutted against the inner wall of the annular cavity after passing through the first through hole, a protruding part protruding towards the outer side is arranged on the side wall of the dustproof external member, the protruding part is provided with a first inclined plane inclining forwards and a second inclined plane inclining backwards, a clamping groove is arranged at one side of the clamping block facing the dustproof external member, an abutting part I and an abutting part II which are abutted against the inclined plane I and the inclined plane II respectively are arranged at the opening of the clamping groove, and a third inclined plane which inclines backwards is arranged towards one side of the protective cover, the rear end of the protective cover penetrates through the second through hole and then abuts against the third inclined surface, a plurality of fixing grooves are formed in the side wall of the protective cover, and the protective cover further comprises a fixing device which penetrates through the side wall of the lamp holder and is in plug-in fit with the fixing grooves so as to lock or unlock the protective cover.

Technical scheme more than adopting, during the installation, earlier stretch into the installation cavity through-hole one with the rear end of dustproof external member, inclined plane one pushes the fixture block open simultaneously, stretch into the installation cavity through-hole two with the rear end of protection casing again, the rear end and the three cooperations in inclined plane of protection casing, promote the fixture block and remove towards dustproof external member direction, butt portion one and butt portion two of fixture block are less than inclined plane one respectively and lock dustproof external member two in inclined plane, increase the leakproofness between dustproof external member and the lamp shade through the extrusion force simultaneously, effectively avoid spot and dust to get into in the crack of explosion-proof lamp, fixing device passes lamp stand lateral wall and fixed slot grafting cooperation and locks the protection casing, thereby accomplish the installation to the lamp shade, the lamp stand, the protection casing three.

During the dismantlement, fixing device leaves the fixed slot with the protection casing unblock, with the protection casing remove forward, the rear end of protection casing leaves inclined plane three, the protection casing leaves the lamp stand through-hole two, relieve simultaneously to the fixture block locking, move the lamp shade forward, dustproof external member also moves towards, inclined plane two pushes away the fixture block with the cooperation of butt portion two, the protection casing leaves the lamp stand through-hole two, thereby the completion is to lamp shade, lamp stand, protection casing three's dismantlement, the installation and the dismantlement of screw have been realized exempting from, it is clean to be convenient for.

As a further optimization of the utility model, the side wall of the lamp holder is provided with a strip-shaped opening, the fixing device comprises a fixing block and a limiting block rotatably connected with the fixing block, the side wall of the limiting block is provided with a limiting part, the fixing block penetrates through the opening and is fixedly inserted into the fixing groove, the width of the limiting part is smaller than that of the opening, and the length of the limiting part is larger than that of the opening.

Technical scheme more than adopting passes the opening with spacing portion on fixed block and the stopper and stretches into in the installation cavity, inserts the fixed block in the fixed slot, and rotatory stopper this moment, because of the length of spacing portion is greater than the open-ended width, spacing portion just can't deviate from in the installation cavity through the opening.

As a further optimization of the utility model, one end of the fixing block facing the opening is provided with a spring marble.

Technical scheme more than adopting sets up the spring marble at the fixed block front end through the setting, plays the positioning action to the fixed slot according to sound.

As a further optimization of the utility model, a groove is formed in the annular cavity at the rear end of the fixture block, a guide rod is arranged in the groove along the radial direction of the annular cavity, the guide rod is detachable relative to the groove, and the fixture block is provided with a sliding hole matched with the guide rod.

Technical scheme more than adopting, the guide bar passes lateral wall, the recess of lamp stand in proper order through grafting or threaded mode and installs on the inner wall of recess, passes through the guide bar with the fixture block and can slide along the radial of installation cavity.

The utility model has the beneficial effects that: through setting up the fixture block will be in the locking between fixing device with lamp shade, lamp stand, protection casing three to accomplish installing in dismantling lamp shade, lamp stand, protection casing three, convenient operation has set up the dirt proof boot simultaneously, effectively avoids spot and dust to get into in the crack of explosion-proof lamp.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic longitudinal sectional view of the present invention;

FIG. 3 is an enlarged view of FIG. 2;

FIG. 4 is a schematic structural view of the dust-proof kit according to the present invention;

fig. 5 is a schematic structural diagram of a latch according to the present invention.

The reference numbers in the figures mean: 1. an explosion-proof lamp housing; 11. a lamp socket; 111. installing a cavity; 1111. a first through hole; 1112. a second through hole; 1113. an opening; 1114. a groove; 12. a lamp shade; 121. a dust-proof kit; 1211. A boss portion; 1212. a first inclined plane; 1213. a second inclined plane; 13. a protective cover; 131. fixing grooves; 14. A lamp tube; 2. a clamping block; 21. a card slot; 211. a first abutting part; 212. a second abutting part; 22. a third inclined plane; 23. a slide hole; 31. a fixed block; 32. a limiting block; 321. a limiting part; 4. a spring marble; 5. a guide rod.

Detailed Description

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Referring to fig. 1-5, the presently disclosed embodiment of the present invention is further configured to: an explosion-proof lamp convenient to clean comprises an explosion-proof lamp shell 1, a lamp holder 11 arranged at the front end of the explosion-proof lamp shell 1, a lamp tube 14 arranged on the lamp holder 11, a lampshade 12 and a protective cover 13;

the lamp holder 11 is provided with an annular cavity, the front end of the mounting cavity 111 is provided with a first through hole 1111 and a second through hole 1112, the mounting cavity 111 is circumferentially provided with a plurality of clamping blocks 2 capable of moving along the radial direction of the mounting cavity, a groove 1114 is arranged at the rear end of each clamping block 2 in the annular cavity, a guide rod 5 is arranged in the groove 1114 along the radial direction of the annular cavity, the guide rod 5 is detachable relative to the groove 1114, and the clamping block 2 is provided with a slide hole 23 matched with the guide rod 5;

the rear end of the lampshade 12 is sleeved with a dustproof sleeve 121, the rear end of the dustproof sleeve 121 abuts against the inner wall of the annular cavity after passing through the first through hole 1111, the side wall of the dustproof sleeve 121 is provided with a protruding portion 1211 protruding towards the outside (the cross section of the protruding portion 1211 is an acute triangle or an isosceles trapezoid with a large inside and a small outside), the protruding portion 1211 is provided with a first inclined surface 1212 inclining forwards and a second inclined surface 1213 inclining backwards, one side of the fixture block 2 facing the dustproof sleeve 121 is provided with a clamp groove 21, an opening 1113 of the clamp groove 21 is provided with a first abutting portion 211 and a second abutting portion 212 abutting against the first inclined surface 1212 and the second inclined surface 1213 respectively, one side of the fixture block 2 facing the protective cover 13 is provided with a third inclined surface 22 inclining backwards, the rear end of the protective cover 13 abuts against the third inclined surface 22 after passing through the second through hole 1112, and the side wall of the protective cover 13 is provided with a plurality of fixing grooves 131;

still including passing lamp stand 11 lateral wall and fixed slot 131 grafting cooperation in order to realize the fixing device to protection casing 13 locking or unblock, the lateral wall of lamp stand 11 is equipped with the opening 1113 of bar, fixing device includes fixed block 31 and rotates the stopper 32 of being connected with fixed block 31, the lateral wall of stopper 32 is equipped with spacing portion 321, fixed block 31 passes opening 1113 back grafting and is fixed in fixed slot 131, fixed block 31 is equipped with spring marble 4 towards the one end of opening 1113, the width of spacing portion 321 is less than the width of opening 1113, and length is greater than the width of opening 1113.

The principle of the utility model is as follows: during installation, the rear end of the dustproof sleeve member 121 firstly extends into the installation cavity 111 through the first through hole 1111, the first inclined surface 1212 pushes the fixture block 2 away, the rear end of the protective cover 13 extends into the installation cavity through the second through hole 1112, the rear end of the protective cover 13 is matched with the third inclined surface 22 to push the fixture block 2 to move towards the dustproof sleeve member 121, the first abutting portion 211 and the second abutting portion 212 of the fixture block 2 are respectively lower than the first inclined surface 1212 and are located on the second inclined surface 1213 to lock the dustproof sleeve member 121, meanwhile, the sealing performance between the dustproof sleeve member 121 and the lampshade 12 is improved through extrusion force, and dirt and dust are effectively prevented from entering a crack of the explosion-proof lamp;

the fixing block 31 penetrates through the opening 1113, when the spring marble 4 is bounced into the sound positioning in the fixing groove 131, the fixing block 31 extends into the fixing groove 131 to lock the protective cover 13, the limiting block 32 is rotated at the moment, and the limiting part 321 cannot be separated from the installation cavity 111 through the opening 1113 due to the fact that the length of the limiting part 321 is larger than the width of the opening 1113, so that the lampshade 12, the lamp holder 11 and the protective cover 13 are installed.

During the dismantlement, rotatory stopper 32, spacing portion 321 rotates when being parallel with opening 1113, thereby leave fixed block 31 fixed slot 131 the unblock with protection casing 13, move protection casing 13 forward, the rear end of protection casing 13 leaves inclined plane three 22, protection casing 13 leaves lamp stand 11 through-hole two 1112, relieve simultaneously and lock fixture block 2, move lamp shade 12 forward, dustproof external member 121 also moves towards, inclined plane two 1213 pushes away fixture block 2 with butt portion two 212 cooperation, protection casing 13 leaves lamp stand 11 through-hole two 1112, thereby accomplish lamp shade 12, lamp stand 11, protection casing 13 three's dismantlement, the installation and the dismantlement of screw have been realized exempting from, and the cleanness of being convenient for.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.

Claims

1. The utility model provides an explosion-proof lamp convenient to it is clean, includes explosion-proof lamp casing (1), locate lamp stand (11) of explosion-proof lamp casing (1) front end, locate fluorescent tube (14), lamp shade (12) and protection casing (13) on lamp stand (11), its characterized in that, lamp stand (11) are equipped with annular installation cavity (111), the front side of installation cavity (111) is equipped with through-hole one (1111) and through-hole two (1112), installation cavity (111) are equipped with a plurality of can be along fixture block (2) of its radial direction activity along circumference, the rear end cover of lamp shade (12) is equipped with dustproof external member (121), the rear end of dustproof external member (121) supports in annular cavity inner wall behind through-hole one (1111), the lateral wall of dustproof external member (121) is equipped with outside bellied bellying (1211), bellying (1211) are equipped with inclined plane one (1212) that slopes forward and inclined plane two (1213) that incline backward, one side of the fixture block (2) facing the dustproof sleeve (121) is provided with a clamp groove (21), an opening (1113) of the clamp groove (21) is provided with a first abutting part (211) and a second abutting part (212) which abut against a first inclined surface (1212) and a second inclined surface (1213) respectively, the fixture block (2) is provided with a third inclined surface (22) which is inclined backwards towards one side of the protective cover (13), the rear end of the protective cover (13) penetrates through the second through hole (1112) and then abuts against the third inclined surface (22), the side wall of the protective cover (13) is provided with a plurality of fixing grooves (131), and the fixture further comprises a fixing device which penetrates through the side wall of the lamp holder (11) and is in plug-in fit with the fixing grooves (131) to lock or unlock the protective cover (13).

2. The explosion-proof lamp convenient to clean as claimed in claim 1, wherein the side wall of the lamp holder (11) is provided with a strip-shaped opening (1113), the fixing device comprises a fixing block (31) and a limiting block (32) rotatably connected with the fixing block (31), the side wall of the limiting block (32) is provided with a limiting portion (321), the fixing block (31) passes through the opening (1113) and then is fixed in the fixing groove (131) in an inserting manner, the width of the limiting portion (321) is smaller than that of the opening (1113), and the length of the limiting portion is larger than that of the opening (1113).

3. An explosion-proof lamp convenient for cleaning as claimed in claim 2, characterized in that the end of the fixing block (31) facing the opening (1113) is provided with a spring ball (4).

4. An explosion-proof lamp convenient for cleaning as claimed in claim 1, wherein the cross section of the projection (1211) is an acute triangle or an isosceles trapezoid with a large inside and a small outside.

5. An explosion-proof lamp convenient for cleaning as claimed in claim 1, wherein the annular cavity is provided with a groove (1114) at the rear end of the fixture block (2), the groove (1114) is provided with a guide rod (5) therein along the radial direction of the annular cavity, the guide rod (5) is detachable relative to the groove (1114), and the fixture block (2) is provided with a slide hole (23) matched with the guide rod (5).