CN218295596U - Mining explosion-proof and intrinsically safe LED illuminating lamp - Google Patents
Mining explosion-proof and intrinsically safe LED illuminating lamp Download PDFInfo
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- CN218295596U CN218295596U CN202222917442.5U CN202222917442U CN218295596U CN 218295596 U CN218295596 U CN 218295596U CN 202222917442 U CN202222917442 U CN 202222917442U CN 218295596 U CN218295596 U CN 218295596U
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- elastic bending
- intrinsically safe
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Abstract
The utility model provides a mining flame proof and safe type LED light of essence, it includes: casing, circuit board, cable and prevent drawing spacing subassembly, the holding chamber has been seted up to the casing, the circuit board is located the holding intracavity, the cable is worn to locate the casing and with the circuit board electricity is connected. Wherein, prevent drawing spacing subassembly and include: the cable fixing device comprises a limiting base, a first limiting part and a second limiting part, wherein the limiting base is fixedly arranged in the accommodating cavity and corresponds to the cable position, the first limiting part and the second limiting part are arranged on the limiting base, the first limiting part and the second limiting part are symmetrically arranged, and the first limiting part and the second limiting part clamp the cable together. This mining flame proof and safe type LED light of essence can carry on spacingly to the cable, realizes that the cable prevents dragging to prevent cable contact failure, improve the life of lamps and lanterns.
Description
Technical Field
The utility model relates to a lighting apparatus technical field especially relates to a mining flame proof and safe type LED light of essence.
Background
The mine explosion-proof and intrinsically safe LED illuminating lamp is a mine illuminating lamp suitable for gas or coal dust explosion hazards, the existing mine explosion-proof lamp is divided into an aboveground illuminating lamp and an underground illuminating lamp, and the state has higher safety explosion-proof requirements on the mine explosion-proof lamp for underground illumination.
The utility model discloses a china utility model patent of publication number CN 215570338U discloses a mining explosion-proof lamp, it is including casing, power supply circuit board and the luminescent device who has the holding chamber, the holding chamber includes mutually independent light source chamber and electric chamber. The mining explosion-proof lamp further comprises a fixing piece which is arranged in the electric cavity and used for fixing the cable. The fixing piece is arranged on the shell through a bolt and presses and holds the cable so as to fix the cable in the shell.
However, the existing mining explosion-proof lamp only realizes the fixation of the cable inside the shell, and in the using process, the cable of the lamp is often pulled, the mining explosion-proof lamp in the prior art has no pulling-proof effect, and the pulling force can act on the welding position of the cable and the circuit board, so that the welding position is loosened or the contact is poor, and the service life of the lamp is shortened.
Therefore, how to design a mining explosion-proof and intrinsically safe LED illuminating lamp, the LED illuminating lamp can limit the cable, and the cable is prevented from being pulled, so that poor contact of the cable is prevented, the service life of the lamp is prolonged, and the technical problem needs to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing a mining flame proof and safe type LED light of essence concurrently, make it can carry on spacingly to the cable, realize that the cable is prevented dragging to prevent cable contact failure, improve the life of lamps and lanterns.
The purpose of the utility model is realized through the following technical scheme:
a mining explosion-proof and intrinsically safe LED illuminating lamp comprises: the anti-pulling limiting device comprises a shell, a circuit board, a cable and an anti-pulling limiting assembly, wherein the shell is provided with an accommodating cavity, the circuit board is arranged in the accommodating cavity, and the cable penetrates through the shell and is electrically connected with the circuit board;
prevent drawing spacing subassembly includes: the cable fixing device comprises a limiting base, a first limiting part and a second limiting part, wherein the limiting base is fixedly arranged in the accommodating cavity and corresponds to the position of the cable, the first limiting part and the second limiting part are arranged on the limiting base, the first limiting part and the second limiting part are symmetrically arranged, and the first limiting part and the second limiting part jointly clamp the cable.
In one embodiment, the first limiting member is provided with a first fixing portion and a first elastic bending portion, the first fixing portion is arranged on the limiting base, and the first elastic bending portion abuts against the cable;
the second limiting piece is provided with a second fixing part and a second elastic bending part, the second fixing part is arranged on the limiting base, and the second elastic bending part abuts against the cable;
the first elastic bending part and the second elastic bending part are in the same bending direction, and the first elastic bending part and the second elastic bending part clamp the cable together.
In one embodiment, the limiting base is provided with a retaining groove, the first fixing portion and the second fixing portion are accommodated in the retaining groove, and the first fixing portion and the second fixing portion are respectively clamped by the groove wall of the retaining groove.
In one embodiment, the first fixing portion and the second fixing portion are both mounted on the limiting base through bolts.
In one embodiment, the anti-pull limiting assembly comprises a limiting cover matched with the limiting base and an unlocking slide block, the limiting cover is arranged on the limiting base, and the unlocking slide block is slidably arranged on the limiting cover;
the unlocking slide block is provided with two shifting rods, the limiting cover is provided with an avoiding through hole, the shifting rods penetrate through the avoiding through hole, and the free ends of the shifting rods extend to the first elastic bending part or the second elastic bending part.
In one embodiment, the limiting cover is provided with a positioning convex column, and the limiting base is provided with a positioning groove matched with the positioning convex column.
In one embodiment, a wire connecting cylinder is arranged on the shell, the wire connecting cylinder is of a hollow cylinder structure, and the cable penetrates through the wire connecting cylinder.
In one embodiment, a sealing element is arranged between the cable connecting cylinder and the cable, the sealing element is sleeved on the cable, and the sealing element is in interference fit with the cable;
the wire connecting cylinder is provided with a propping piece, the propping piece is in threaded connection with the wire connecting cylinder, the propping piece is sleeved on the cable, and one end of the propping piece is pressed on the sealing piece.
In one embodiment, the LED light-emitting device comprises an LED light-emitting board and a transparent lampshade, wherein the LED light-emitting board is electrically connected with the circuit board, a convex polygonal pyramid structure is arranged on the shell, the LED light-emitting board is arranged on the outer surface of the polygonal pyramid structure, and the transparent lampshade is arranged on the shell on one side where the LED light-emitting board is located.
In one embodiment, the housing is provided with a protective mesh enclosure, the protective mesh enclosure is arranged on the outer side of the transparent lampshade, and the protective mesh enclosure is in a hollow structure.
To sum up, the utility model discloses a mining flame proof and safe type LED light of essence can carry on spacingly to the cable, realizes that the cable prevents dragging to prevent cable contact failure, improve the life of lamps and lanterns.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.
FIG. 1 is a schematic structural view of the mining flameproof and intrinsically safe LED illuminating lamp of the utility model;
FIG. 2 is an internal schematic view of the mining explosion-proof and intrinsically safe LED illuminating lamp shown in FIG. 1;
FIG. 3 is a partial schematic view of the mining flameproof and intrinsically safe LED illuminating lamp shown in FIG. 2;
FIG. 4 is a schematic view of the mating relationship of the cable and the tension stop assembly;
fig. 5 is a schematic structural diagram of the first limiting member and the second limiting member;
FIG. 6 is a schematic view of the state where the cable moving direction is the same as the bending direction;
FIG. 7 is a schematic view of a state in which the cable moving direction is different from the bending direction;
FIG. 8 is an exploded view of the improved anti-pull stop assembly;
FIG. 9 is a partial cross-sectional view of an improved mining flameproof and intrinsically safe LED lighting lamp;
FIG. 10 is a schematic view of a matching relationship between the unlocking slider and the first and second limiting members;
FIG. 11 is a schematic diagram of the explosion-proof and intrinsically safe LED lighting lamp for mining according to the present invention;
FIG. 12 is the utility model discloses a mining flame proof and intrinsically safe type LED light's decomposition schematic diagram.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model provides a mining flame proof and safe type LED light 10 of essence, as shown in figure 1 and figure 2, it includes: the cable-pulling-preventing limiting device comprises a casing 100, a circuit board (not shown), a cable 200 and a pulling-preventing limiting assembly 300, wherein the casing 100 is provided with an accommodating cavity 110, the circuit board is arranged in the accommodating cavity 110, and the cable 200 penetrates through the casing 100 and is electrically connected with the circuit board.
As shown in fig. 3 and 4, the pull-preventing limiting assembly 300 includes: the limiting base 310 is fixedly disposed in the accommodating cavity 110 and corresponds to the position of the cable 200, the first limiting member 320 and the second limiting member 330 are disposed on the limiting base 310, the first limiting member 320 and the second limiting member 330 are symmetrically disposed, and the first limiting member 320 and the second limiting member 330 jointly clamp the cable 200.
When in use, the first limiting member 320 and the second limiting member 330 cooperate with each other to clamp the cable 200, and the first limiting member 320 and the second limiting member 330 can elastically deform in the same direction. When the cable 200 moves in the same direction, the first limiting member 320 and the second limiting member 330 deform to perform an avoiding action; when the cable 200 moves in the opposite direction (i.e. when the cable 200 is pulled), the deformation tendencies of the first stopper 320 and the second stopper 330 make the two clamp the cable 200 together, so that the cable 200 cannot move, and the cable 200 is prevented from being pulled. The specific working principle will be explained below.
In this embodiment, as shown in fig. 5, the first limiting member 320 has a first fixing portion 321 and a first elastic bending portion 322, the first fixing portion 321 is disposed on the limiting base 310, and the first elastic bending portion 322 abuts against the cable 200; the second limiting member 330 has a second fixing portion 331 and a second elastic bending portion 332, the second fixing portion 331 is disposed on the limiting base 310, and the second elastic bending portion 332 abuts against the cable 200. The first elastic bending portion 322 and the second elastic bending portion 332 have the same bending direction, and the first elastic bending portion 322 and the second elastic bending portion 332 clamp the cable 200 together.
Preferably, the limiting base 310 is provided with a retaining groove 311 (as shown in fig. 4), the first fixing portion 321 and the second fixing portion 331 are both accommodated in the retaining groove 311, and the first fixing portion 321 and the second fixing portion 331 are respectively clamped by groove walls of the retaining groove 311, that is, the first fixing portion 321 and the second fixing portion 331 are respectively installed in the retaining groove 311 in an interference fit manner.
Preferably, the first fixing portion 321 and the second fixing portion 331 may be mounted on the limit base 310 by a bolt connection. Through the bolt connection, the first limiting member 320 and the second limiting member 330 can be more stable after being installed.
The following description is provided to the working principle of the pull-proof limiting assembly 300 of the present invention with reference to the above structure:
when the positioning device is installed, the first limiting member 320 and the second limiting member 330 are installed on the limiting base 310, and the bending direction of the first limiting member 320 and the second limiting member 330 faces the center of the accommodating cavity 110. When the cable 200 passes through the housing 100 and enters the accommodating cavity 110, as shown in fig. 6, the movement direction of the cable 200 is the same as the bending direction, and since the first limiting member 320 and the second limiting member 330 abut against the cable 200, when the cable 200 moves toward the direction, the first elastic bending portion 322 and the second elastic bending portion 332 tend to turn outward due to friction force, and have a moving space. Therefore, when the cable 200 moves towards the direction, the first elastic bending portion 322 and the second elastic bending portion 332 can turn outwards to perform an avoiding action, so that the cable 200 can move smoothly;
when the cable 200 is pulled in the using process, as shown in fig. 7, the cable 200 tends to move in the opposite direction due to the external force, that is, the moving direction of the cable 200 is opposite to the bending direction, because the first limiting member 320 and the second limiting member 330 are supported on the cable 200, the first elastic bending portion 322 and the second elastic bending portion 332 tend to be "pinched" due to the friction force, and the "pinched" tendency causes the first limiting member 320 and the second limiting member 330 to further clamp the cable 200, so as to overcome the external pulling force, and the cable 200 cannot move.
It is emphasized that the provision of the pull-resistant stop assembly 300 only limits the unidirectional movement of the cable 200, i.e., the pull-resistant stop assembly 300 will only function if pulled by an external force. Moreover, when the cable 200 is pulled by an external force, the first limiting member 320 and the second limiting member 330 further clamp the cable 200 to prevent the cable from moving, and the force applied to the cable 200 is transmitted to the first limiting member 320 and the second limiting member 330 and finally acts on the limiting base 310. Therefore, the pulling force applied to the welding position of the cable 200 and the circuit board can be greatly reduced, and the welding position is ensured not to be damaged.
In the subsequent process of repairing or replacing the cable 200, the worker pulls out the cable 200, and at this time, the worker needs to apply a pushing force to the first elastic bending portion 322 and the second elastic bending portion 332 respectively, and the direction of the pushing force is the same as the bending direction, so that the first elastic bending portion 322 and the second elastic bending portion 332 turn "outwards" to perform an avoiding action, and the elastic force of the first limiting member 320 and the second limiting member 330 is overcome in an artificial manner, so that the cable 200 can be pulled out.
However, in the operation, the worker needs to push the first elastic bending portion 322 and the second elastic bending portion 332 at the same time, and also needs to apply a pulling force to the cable 200, which is a complicated operation manner. In order to solve the problem, the utility model discloses still make further improvement, the embodiment after the improvement is specifically as follows:
as shown in fig. 8 and 9, the anti-pulling limiting assembly 300 further includes a limiting cover 340 and an unlocking slider 350, the limiting cover 340 is covered on the limiting base 310, and the unlocking slider 350 is slidably disposed on the limiting cover 340.
Wherein, be equipped with two driving levers 351 on the unblock slider 350, seted up on the spacing lid 340 and dodged through-hole 341, driving lever 351 wears to locate dodges through-hole 341, and the free end of driving lever 351 extends to first elasticity portion of bending 322 department or second elasticity portion of bending 332 department.
After improvement, when the cable 200 needs to be pulled out, a worker only needs to toggle the unlocking slider 350 with one hand, so that the unlocking slider 350 slides on the limiting cover 340 towards the bending direction, and the two shifting levers 351 on the unlocking slider can respectively push the first elastic bending portion 322 and the second elastic bending portion 332, so that the first elastic bending portion 322 and the second elastic bending portion 332 are turned outwards (as shown in fig. 10). Then, the worker pulls the cable 200 with the other hand, and can draw out the cable 200. The operation is simple, and the work efficiency is improved.
Preferably, as shown in fig. 8, the position-limiting cover 340 is provided with a positioning protrusion (not shown), and the position-limiting base 310 is provided with a positioning groove 312 engaged with the positioning protrusion. During installation, the positioning convex column is matched with the positioning groove 312 to help the limiting cover 340 to be quickly positioned, so that convenient installation is realized.
In one embodiment, as shown in fig. 10 and 11, the housing 100 is provided with a wire barrel 120, the wire barrel 120 is a hollow cylinder structure, and the cable 200 is inserted into the wire barrel 120. The wire barrel 120 is arranged to protect the cable 200 from being damaged by torsion, and particularly, when the cable 200 is subjected to torsion of torsion or swinging, the cable 200 in the wire barrel 120 can still keep a straight line and cannot be excessively bent due to the protection of a long distance provided by the wire barrel 120, so that the damage is reduced, and the influence of the torsion on a welding position is also reduced.
Further, as shown in fig. 11, a sealing member 121 is disposed between the wire connecting barrel 120 and the wire cable 200, the sealing member 121 is sleeved on the wire cable 200, and the sealing member 121 is in interference fit with the wire cable 200. The wire barrel 120 is provided with a supporting member 122, the supporting member 122 is in threaded connection with the wire barrel 120, the supporting member 122 is sleeved on the cable 200, and one end of the supporting member 122 is pressed on the sealing member 121. When the cable connector is installed, the abutting piece 122 is used for pressing the sealing element 121 in the wire connecting cylinder 120, and the pressed sealing element 121 can fill a gap between the wire connecting cylinder 120 and the cable 200, so that a sealing effect is achieved.
In one embodiment, as shown in fig. 12, the explosion suppression and intrinsically safe LED lighting lamp 10 for mining of the present invention further includes an LED lighting board 400 and a transparent lampshade 500, the LED lighting board 400 is electrically connected to the circuit board, the casing 100 is provided with a convex polygonal-pyramid structure 130, the LED lighting board 400 is disposed on the outer surface of the polygonal-pyramid structure 130, and the transparent lampshade 500 is disposed on the casing 100 on one side of the LED lighting board 400. The LED light emitting plate 400 is disposed on the convex polygonal pyramid structure 130, so that light emitted from the LED light emitting plate 400 can cover a larger angle range, provide a larger range of omnidirectional illumination, and achieve the highest lighting effect.
Preferably, as shown in fig. 12, the protective mesh enclosure 140 is disposed on the transparent lampshade 100, the protective mesh enclosure 140 is disposed outside the transparent lampshade 500, and the protective mesh enclosure 140 is a hollow structure. The protective mesh enclosure 140 with the hollow structure does not affect the light emission of the illuminating lamp 10, and can provide buffering during collision, so that the transparent lampshade 500 is not collided, and the transparent lampshade 500 and the LED light-emitting panel 400 therein are protected.
To sum up, the utility model discloses a mining flame proof and safe type LED light 10 of essence can carry on spacingly to cable 200, realizes that cable 200 prevents dragging to prevent that cable 200 contact failure from improving the life of lamps and lanterns.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a mining flame proof and intrinsically safe type LED light which characterized in that includes: the anti-pulling limiting device comprises a shell, a circuit board, a cable and an anti-pulling limiting assembly, wherein the shell is provided with an accommodating cavity, the circuit board is arranged in the accommodating cavity, and the cable penetrates through the shell and is electrically connected with the circuit board;
prevent drawing spacing subassembly includes: the cable fixing device comprises a limiting base, a first limiting part and a second limiting part, wherein the limiting base is fixedly arranged in the accommodating cavity and corresponds to the cable position, the first limiting part and the second limiting part are arranged on the limiting base, the first limiting part and the second limiting part are symmetrically arranged, and the first limiting part and the second limiting part clamp the cable together.
2. The mining explosion-proof and intrinsically safe LED illuminating lamp according to claim 1, wherein the first limiting part is provided with a first fixing part and a first elastic bending part, the first fixing part is arranged on the limiting base, and the first elastic bending part abuts against the cable;
the second limiting piece is provided with a second fixing part and a second elastic bending part, the second fixing part is arranged on the limiting base, and the second elastic bending part abuts against the cable;
the first elastic bending part and the second elastic bending part are in the same bending direction, and the first elastic bending part and the second elastic bending part clamp the cable together.
3. The mining flameproof and intrinsically safe LED illuminating lamp according to claim 2, wherein a clamping groove is formed in the limiting base, the first fixing part and the second fixing part are contained in the clamping groove, and the first fixing part and the second fixing part are clamped by the groove wall of the clamping groove respectively.
4. The mining flameproof and intrinsically safe LED illuminating lamp according to claim 2, wherein the first fixing part and the second fixing part are both mounted on the limiting base through bolts.
5. The mining flameproof and intrinsically safe LED illuminating lamp according to claim 2, wherein the anti-pulling limiting assembly comprises a limiting cover matched with the limiting base and an unlocking slide block, the limiting cover is arranged on the limiting base in a covering mode, and the unlocking slide block is arranged on the limiting cover in a sliding mode;
the unlocking slide block is provided with two shifting rods, the limiting cover is provided with an avoiding through hole, the shifting rods penetrate through the avoiding through hole, and the free ends of the shifting rods extend to the first elastic bending part or the second elastic bending part.
6. The mining explosion-proof and intrinsically safe LED illuminating lamp as claimed in claim 5, wherein a positioning convex column is arranged on the limiting cover, and a positioning groove matched with the positioning convex column is arranged on the limiting base.
7. The mining flameproof and intrinsically safe LED illuminating lamp according to claim 1, characterized in that a wiring barrel is arranged on the shell, the wiring barrel is of a hollow cylinder structure, and the cable penetrates through the wiring barrel.
8. The mining flameproof and intrinsically safe LED illuminating lamp according to claim 7, wherein a sealing element is arranged between the connecting cylinder and the cable, the sealing element is sleeved on the cable, and the sealing element is in interference fit with the cable;
the wire connecting cylinder is provided with a propping piece, the propping piece is in threaded connection with the wire connecting cylinder, the propping piece is sleeved on the cable, and one end of the propping piece is pressed on the sealing piece.
9. The mining explosion-proof and intrinsically safe LED illuminating lamp as claimed in claim 1, which comprises an LED light-emitting plate and a transparent lampshade, wherein the LED light-emitting plate is electrically connected with the circuit board, a convex polygonal pyramid structure is arranged on the shell, the LED light-emitting plate is arranged on the outer surface of the polygonal pyramid structure, and the transparent lampshade is arranged on the shell on one side of the LED light-emitting plate.
10. The mining explosion-proof and intrinsically safe LED illuminating lamp as claimed in claim 9, wherein a protective mesh enclosure is arranged on the shell, the protective mesh enclosure is arranged on the outer side of the transparent lampshade, and the protective mesh enclosure is of a hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222917442.5U CN218295596U (en) | 2022-11-01 | 2022-11-01 | Mining explosion-proof and intrinsically safe LED illuminating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222917442.5U CN218295596U (en) | 2022-11-01 | 2022-11-01 | Mining explosion-proof and intrinsically safe LED illuminating lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218295596U true CN218295596U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222917442.5U Active CN218295596U (en) | 2022-11-01 | 2022-11-01 | Mining explosion-proof and intrinsically safe LED illuminating lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218295596U (en) |
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- 2022-11-01 CN CN202222917442.5U patent/CN218295596U/en active Active
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