Fixing structure for light-transmitting cover of explosion-proof lamp

Abstract

The utility model discloses an explosion-proof lamp light-transmitting cover fixing structure which comprises a lamp body, a pressing ring and a light-transmitting cover, the pressing ring is installed on the lamp body, the light-transmitting cover is installed on the pressing ring, and the light-emitting end of the lamp body penetrates through the pressing ring and is right opposite to the light-transmitting cover. An annular groove is formed in the side, away from the lamp body, of the pressing ring, a bottom face is arranged on the side, close to the lamp body, of the annular groove, the multiple clamping pieces are sequentially arranged on the side, away from the lamp body, of the annular groove in the annular direction, and a gap is formed between each clamping piece and the bottom face. A plurality of clamping feet are sequentially arranged on the outer side of the light-transmitting cover in the annular direction, and the clamping feet movably stretch into the gap. Through the application of the anti-explosion lamp light-transmitting cover fixing structure, the anti-explosion lamp light-transmitting cover fixing structure which is convenient to install quickly is provided, the internal sealing effect is good, and the anti-explosion requirement can be met; the utility model has the advantages of simple structure and lower production cost.

Description

Technical Field

[0001] The utility model relates to the technical field of lamp production, in particular to an explosion-proof lamp light-transmitting cover fixing structure. Background Art

[0002] At present, lamps are widely used in various industries with lighting needs. For dangerous places with flammable gas and dust, corresponding explosion-proof lamp light shield fixing structures are generally set up. Such lamps are generally required to reduce the arc, sparks and high temperature that may be generated inside the lamp as much as possible, and isolate it from the surrounding environment, so as to ensure that the flammable gas and dust in the surrounding environment will not be ignited.

[0003] Usually, the light-transmitting cover fixing structure of such explosion-proof lamps includes a lampshade and a lamp body connected to each other. However, during the production and installation process, the relative fixation of the lampshade and the lamp body often requires the use of multiple parts, such as multiple screws, etc. The installation process is relatively cumbersome, which directly affects the production efficiency and the production cost is also high; and the sealing effect of the lamp is also easily adversely affected by the tolerance of the parts. Utility Model Content

[0004] In view of this, in order to solve the above problems, the purpose of the utility model is to provide an explosion-proof lamp light cover fixing structure, comprising: a lamp body, a pressure ring and a light cover, the pressure ring is installed on the lamp body, the light cover is installed on the pressure ring, and the light-emitting end of the lamp body passes through the pressure ring and is arranged opposite to the light cover;

[0005] Among them, an annular groove is provided on the side of the pressure ring away from the lamp body, and the annular groove has a bottom surface on the side close to the lamp body. A plurality of clamps are arranged in sequence along the circumferential direction on the side of the annular groove away from the lamp body, and a gap is formed between the clamps and the bottom surface. A plurality of clamping feet are arranged in sequence along the circumferential direction on the outer side of the light-transmitting cover, and the clamping feet can be movably extended into the gap.

[0006] In another preferred embodiment, a space is formed between every two adjacent clamps, the outer contour of the space is greater than or equal to the outer contour of the clamp, and the clamp is movably disposed through the space.

[0007] In another preferred embodiment, the clamping member is arranged to protrude radially inward relative to the annular groove.

[0008] In another preferred embodiment, the clamping feet are arranged in an arc-shaped strip structure along the circumferential direction of the light-transmitting cover.

[0009] In another preferred embodiment, an inclined portion is formed at one end of the clamping pin, and the inclined portion extends from a side of the clamping pin away from the lamp body toward a side close to the lamp body.

[0010] In another preferred embodiment, the annular groove is filled with sealant.

[0011] In another preferred embodiment, an inner ring portion is formed on a side of the pressure ring close to the lamp body, an outer ring portion is formed on a side of the lamp body close to the pressure ring, and the inner ring portion extends into the inner side of the outer ring portion.

[0012] In another preferred embodiment, a step surface is formed on a side of the pressure ring close to the lamp body, the step surface is arranged on the outer side of the inner ring portion, and the outer ring portion is arranged against the step surface.

[0013] In another preferred embodiment, a sealing ring is provided between the outer ring portion and the stepped surface.

[0014] In another preferred embodiment, a circular edge is formed on a side of the light-transmitting cover close to the lamp body, and the circular edge is arranged in contact with the bottom surface.

[0015] Due to the adoption of the above technical solution, the utility model has the following positive effects compared with the prior art:

[0016] Through the application of the utility model, a light cover fixing structure for explosion-proof lamps that is easy to install quickly is provided, especially capable of realizing rapid and stable installation of the light cover, and has a good internal sealing effect, which can meet explosion-proof requirements; the utility model has a simple structure and a low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall cross section of a fixing structure of a light-transmitting cover of an explosion-proof lamp of the utility model;

[0018] Figure 2 This is a schematic diagram of the installation of a light-transmitting cover fixing structure of an explosion-proof lamp of the utility model;

[0019] Figure 3 This is a schematic diagram of a pressing ring of a fixing structure of a light-transmitting cover of an explosion-proof lamp of the utility model;

[0020] Figure 4 A schematic diagram of a light shield of an explosion-proof lamp light shield fixing structure of the utility model;

[0021] Figure 5 The utility model is a sealant schematic diagram of a light-transmitting cover fixing structure of an explosion-proof lamp.

[0022] In the attached figure:

[0023] 1. Lamp body; 2. Pressing ring; 3. Translucent cover; 4. Annular groove; 5. Clamp; 6. Gap; 7. Interval; 8. Inclined portion; 9. Sealant; 10. Inner ring; 11. Outer ring; 12. Step surface; 13. Sealing ring; 14. Annular edge; 15. Clamp foot. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0025] like Figures 1 to 4 As shown, a preferred embodiment of the explosion-proof lamp light cover fixing structure is shown, comprising: a lamp body 1, a pressing ring 2 and a light cover 3, wherein the pressing ring 2 is mounted on the lamp body 1, and the light cover 3 is mounted on the pressing ring 2, and the light-emitting end of the lamp body 1 passes through the pressing ring 2 and is arranged opposite to the light cover 3. Furthermore, in the actual production process, the lamp body 1 and the pressing ring 2 are pre-installed and fixed, and then the light cover 3 is installed; the lamp body 1, the pressing ring 2 and the light cover 3 are arranged in sequence from top to bottom along the vertical direction; wherein, the installation of the lamp body 1 and the pressing ring 2 can be achieved by welding, clamping, bolting, etc. to achieve fixed connection.

[0026] Furthermore, as a preferred embodiment, the pressing ring 2 is arranged in an annular structure as a whole.

[0027] Furthermore, as a preferred embodiment, the upper portion of the light-transmitting cover 3 is arranged in a ring shape, and the lower portion of the light-transmitting cover 3 is arranged in a spherical surface.

[0028] Further, as a preferred embodiment, a ring groove 4 is provided on the side of the pressing ring 2 away from the lamp body 1, and a bottom surface is provided on the side of the ring groove 4 close to the lamp body 1. A plurality of clamps 5 are sequentially provided along the circumferential direction on the side of the ring groove 4 away from the lamp body 1, and a gap 6 is formed between the clamps 5 and the bottom surface. A plurality of clamping feet 15 are sequentially provided along the circumferential direction on the outer side of the light-transmitting cover 3, and the clamping feet 15 can be movably extended into the gap 6. Further, when the light-transmitting cover 3 and the pressing ring 2 are installed, the light-transmitting cover 3 can be first extended into the inside of the ring groove 4 along the vertical direction, and then the light-transmitting cover 3 can be rotated so that the corresponding clamping feet 15 extend into the gap 6, so that it forms a limit to the light-transmitting cover 3 at least in the vertical direction.

[0029] Furthermore, as a preferred embodiment, the outer edge of the bottom surface is arched in a direction away from the lamp body 1 so that the cross-section of the annular groove 4 is in a convex structure, so that the protruding portion of the convex structure can be used to more accurately accommodate the clamping foot 15.

[0030] Further, as a preferred embodiment, the size of the gap 6 along the vertical direction is greater than or equal to the size of the clamping foot 15 along the vertical direction. Further, the clamping foot 15 can easily enter the gap 6 and achieve clamping contact.

[0031] Further, as a preferred embodiment, a spacer 7 is formed between each two adjacent clamping members 5, the outer contour of the spacer 7 is greater than or equal to the outer contour of the clamping member 5, and the clamping member 5 is movably arranged through the spacer 7. Further, the spacer 7 is at least open in the vertical direction to allow the clamping foot 15 to pass through the spacer 7 from top to bottom and extend into the annular groove 4.

[0032] Further, as a preferred embodiment, the clamping member 5 is arranged to protrude radially inward relative to the annular groove 4 .

[0033] Furthermore, as a preferred embodiment, the clamping foot 15 is arranged in an arc-shaped strip structure along the circumferential direction of the light-transmitting cover 3 .

[0034] Further, as a preferred embodiment, a bevel portion 8 is formed at one end of the clamping pin 15, and the bevel portion 8 is extended from the side of the clamping pin 15 away from the lamp body 1 to the side close to the lamp body 1. Further, the size of one end of the clamping pin 15 is reduced by the arrangement of the bevel portion 8, so as to facilitate insertion into the gap 6.

[0035] like Figure 5 As shown, further, as a preferred embodiment, a sealant 9 is poured into the annular groove 4. Further, the injection position of the sealant 9 is preferably at the above-mentioned interval 7, that is, the sealant 9 includes a plurality of injection parts, and the plurality of injection parts are sequentially arranged along the circumferential direction of the annular groove 4; preferably, the sealant 9 is pre-injected onto the pressing ring 2, and then when the light-transmitting cover 3 is extended, it can contact with the sealant 9 so that the sealant 9 is squeezed and filled into the annular groove 4 as much as possible, thereby ensuring the sealing effect between the light-transmitting cover 3 and the pressing ring 2.

[0036] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention.

[0037] The utility model also has the following implementation methods based on the above:

[0038] In a further embodiment of the utility model, an inner ring portion 10 is formed on one side of the pressing ring 2 close to the lamp body 1 , and an outer ring portion 11 is formed on one side of the lamp body 1 close to the pressing ring 2 . The inner ring portion 10 extends into the inner side of the outer ring portion 11 .

[0039] In a further embodiment of the present invention, the outer ring portion 11 and the inner ring portion 10 may be fixedly connected by welding, clamping, bolting, or the like.

[0040] In a further embodiment of the present invention, a step surface 12 is formed on one side of the pressing ring 2 close to the lamp body 1 . The step surface 12 is disposed on the outer side of the inner ring portion 10 , and the outer ring portion 11 is disposed against the step surface 12 .

[0041] In a further embodiment of the present invention, a sealing ring 13 is provided between the outer ring portion 11 and the stepped surface 12. Further, the sealing effect of the contact position between the lamp body 1 and the pressing ring 2 is ensured by the provision of the sealing ring 13.

[0042] In a further embodiment of the present invention, a circular edge 14 is formed on one side of the light cover 3 close to the lamp body 1, and the circular edge 14 is arranged in contact with the bottom surface. Further, the installation position of the light cover 3 is ensured by the contact between the circular edge 14 and the bottom surface.

[0043] In a further embodiment of the present invention, the annular edge 14 includes a plurality of arc-shaped protrusions arranged in sequence along the annular direction, and a recess is formed between each two adjacent protrusions. Further, the protrusion is used to contact the bottom surface, and the recess can be used to accommodate the sealant 9.

[0044] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixing structure for an explosion-proof lamp light shield, characterized in that: include: A lamp body, a pressing ring and a light-transmitting cover, wherein the pressing ring is mounted on the lamp body, the light-transmitting cover is mounted on the pressing ring, and the light-emitting end of the lamp body passes through the pressing ring and is arranged opposite to the light-transmitting cover; Among them, an annular groove is provided on the side of the pressure ring away from the lamp body, and the annular groove has a bottom surface on the side close to the lamp body. A plurality of clamps are arranged in sequence along the circumferential direction on the side of the annular groove away from the lamp body, and a gap is formed between the clamps and the bottom surface. A plurality of clamping feet are arranged in sequence along the circumferential direction on the outer side of the light-transmitting cover, and the clamping feet can be movably extended into the gap.

2. The explosion-proof lamp light shield fixing structure according to claim 1, characterized in that: A space is formed between each two adjacent clamps, the outer contour of the space is greater than or equal to the outer contour of the clamp, and the clamp is movably arranged to pass through the space.

3. The explosion-proof lamp light shield fixing structure according to claim 1, characterized in that: The clamping member is arranged to protrude radially inward relative to the annular groove.

4. The explosion-proof lamp light shield fixing structure according to claim 1, characterized in that: The clamping pins are arranged in an arc-shaped strip structure along the circumferential direction of the light-transmitting cover.

5. The explosion-proof lamp light shield fixing structure according to claim 4, characterized in that: An inclined surface is formed at one end of the clamping pin, and the inclined surface is extended from a side of the clamping pin away from the lamp body toward a side close to the lamp body.

6. The explosion-proof lamp light shield fixing structure according to claim 1, characterized in that: The annular groove is filled with sealant.

7. The explosion-proof lamp light shield fixing structure according to claim 1, characterized in that: An inner ring portion is formed on one side of the pressing ring close to the lamp body, and an outer ring portion is formed on one side of the lamp body close to the pressing ring. The inner ring portion extends into the inner side of the outer ring portion.

8. The explosion-proof lamp light shield fixing structure according to claim 7, characterized in that: A step surface is formed on one side of the pressing ring close to the lamp body. The step surface is arranged on the outer side of the inner ring portion, and the outer ring portion is arranged against the step surface.

9. The explosion-proof lamp light shield fixing structure according to claim 8, characterized in that: A sealing ring is arranged between the outer ring portion and the stepped surface.

10. The explosion-proof lamp light-transmitting cover fixing structure according to claim 1, characterized in that: A circular edge is formed on one side of the light-transmitting cover close to the lamp body, and the circular edge is arranged in contact with the bottom surface.

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