Fire emergency anti-explosion marker lamp

Abstract

The utility model discloses a fire-fighting emergency anti-explosion marker lamp which comprises an anti-explosion shell, the anti-explosion shell is provided with an anti-explosion cavity, an anti-explosion cover plate is arranged at an inlet of the anti-explosion cavity, counter bores are formed in the four corners of the anti-explosion cavity, blind holes are formed in the counter bores, baffles are arranged in the counter bores, and the blind holes are communicated with the baffles. A blind hole is formed in the explosion-proof cover plate, a liftable connecting column is arranged in the blind hole and penetrates through the baffle, fixing parts are arranged on the two sides of the connecting column, first mounting holes corresponding to the blind hole are formed in the explosion-proof cover plate, through holes allowing the fixing parts to penetrate through are formed in the first mounting holes, and fixing grooves are formed in the first mounting holes. When the explosion-proof cover plate is used, only pulling force needs to be applied upwards to the connecting column to enable the fixing part to be higher than the explosion-proof cover plate, the connecting column is rotated to enable the fixing part to be located above the fixing groove, force applied to the connecting column is released, the spring releases elastic force, the fixing part applies downward pressure to the fixing groove, and the explosion-proof cover plate is tightly attached to the sinking groove. Through the design, the product has the advantages of improving the disassembly and assembly efficiency and being convenient to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of explosion -proof equipment especially relates to a fire emergency explosion -proof sign lamp. BACKGROUND

[0002] The fire emergency explosion -proof sign lamp plays the role of road sign indication or power failure emergency safe evacuation, guiding indication lighting, and simultaneously ensures that explosion or fire will not be caused. They can be safely used in flammable and explosive environment, prevent the arc, spark and high temperature inside the lamp from igniting the combustible gas and dust in the surrounding environment, thereby reaching the explosion -proof requirement.

[0003] Now the fire emergency explosion -proof sign lamp is composed of two parts, one part is the sign lamp body for emitting light, and the other part is the explosion -proof box with explosion -proof function for placing circuit board and electronic components, the entrance of the explosion -proof box is equipped with explosion -proof cover plate, the explosion -proof cover plate is connected and fixed with the explosion -proof box through multiple screws, and the explosion -proof cover plate needs to be removed for wiring when wiring, which leads to slow replacement efficiency, therefore, the applicant has made beneficial design, found the method for solving the above problems, and the technical scheme to be introduced below is generated under this background. SUMMARY

[0004] The utility model discloses a product that improves dismounting efficiency and is convenient to operate is provided to overcome the deficiency of the design of the traditional fire emergency explosion -proof indicating lamp.

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] A fire emergency explosion -proof sign lamp, including explosion -proof casing, the explosion -proof casing is equipped with explosion -proof chamber, the entrance of explosion -proof chamber is equipped with explosion -proof cover plate, the four corners of explosion -proof chamber are equipped with counterbore, the counterbore is equipped with blind hole, the counterbore is equipped with baffle, the blind hole is equipped with liftable connecting column in, and passes through baffle, the both sides of connecting column are equipped with fixed part, the explosion -proof cover plate is equipped with the first installation hole of corresponding blind hole, the first installation hole is equipped with the through -hole of fixed part passes through, the first installation hole is equipped with fixed groove, the baffle is equipped with spring, and the downward pressure is given to connecting column, and the fixed part is given to fixed groove with the downward pressure.

[0007] Preferably, the entrance of the explosion -proof chamber is provided with a sink, the counterbores are arranged at the four corners of the sink, the inner wall of the counterbores is provided with an internal thread groove, and the explosion -proof chamber is provided with a wire penetrating pipe.

[0008] Preferably, the baffle is provided with an external thread groove and is threadedly connected to the internal thread groove, the baffle is provided with a through hole through which the connecting column penetrates, and one end surface of the through hole is provided with a cross groove.

[0009] Preferably, the bottom of the connecting column is provided with a pressure bearing ring, the spring abuts against the pressure bearing ring, and the connecting column is provided with an operation part.

[0010] Preferably, the explosion-proof shell is provided with a mounting structure, the front surface of the explosion-proof shell is provided with a marker lamp, and the explosion-proof shell is provided with a detachable end cover for fixing the marker lamp on the explosion-proof shell.

[0011] Preferably, the mounting structure comprises connecting plates fixed on both sides of the explosion-proof cavity, and the connecting plates are provided with second mounting holes.

[0012] Preferably, the mounting structure comprises support pieces fixed on both sides of the explosion-proof shell, the support pieces are provided with hinged holes, one side of the hinged hole 81 is uniformly provided with a plurality of fixing holes 82 with the round points as the axis, the two support pieces are provided with mounting pieces hinged to the hinged holes, the mounting pieces are provided with fastening screws and are threadedly connected to one of the fixing holes, and the mounting pieces are provided with at least two second mounting holes.

[0013] Preferably, the fixing groove and the through hole are arranged in a cross manner.

[0014] Beneficial effects:

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model only needs to apply a pulling force upward to the connecting column, passes through the through hole with the fixed part, is higher than the explosion-proof cover plate, rotates the connecting column, makes the fixed part be located above the fixing groove, loosens the force applied to the connecting column, the spring releases the elastic force, the fixed part applies the downward pressure to the fixing groove, makes the explosion-proof cover plate and the sink groove closely fit, and through the above design, the technical problems in the background art are overcome, and the product has the advantages of improving the dismounting efficiency and convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model of a fire emergency explosion-proof marker lamp;

[0018] Figure 2 It is a mounting structure schematic view of the utility model of a fire emergency explosion-proof marker lamp Figure 1 ;

[0019] Figure 3 It is a mounting structure schematic view of the utility model of a fire emergency explosion-proof marker lamp Figure 2 ;

[0020] Figure 4 It is a side sectional structure schematic view of the utility model of a fire emergency explosion-proof marker lamp;

[0021] Figure 5For the utility model Figure 4 A partial enlarged view A of the fire emergency explosion-proof sign lamp;

[0022] Figure 6 For the utility model a fire emergency explosion-proof sign lamp;

[0023] Figure 7 For the utility model Figure 6 A partial enlarged view B of the fire emergency explosion-proof sign lamp;

[0024] The correspondence between the reference signs in the drawings and the component names is as follows:

[0025] Reference signs: 1, explosion-proof shell; 2, explosion-proof cover plate; 3, baffle; 4, connecting column; 5, spring; 6, mounting structure; 7, connecting piece; 8, support; 9, mounting piece; 11, explosion-proof cavity; 12, counterbore; 13, blind hole; 14, sink groove; 15, sign lamp; 16, end cover; 111, threading pipe; 121, internal thread groove; 21, first mounting hole; 22, through hole; 23, fixing groove; 31, external thread groove; 32, perforation; 33, cross groove; 41, fixed part; 42, pressure ring; 43, operation part; 71, second mounting hole; 81, hinged hole; 82, fixing hole; 83, fastening screw. DETAILED DESCRIPTION

[0026] The technical solutions of the utility model will be described below in conjunction with the embodiments, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms such as "upper", "lower", "left", "right" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0028] In the embodiments of the utility model, "and / or" is only a description of the association relationship of the associated objects, which can represent the existence of three kinds of relationships, for example, A and / or B, which can represent the existence of A alone, A and B simultaneously, and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a kind of "or" relationship.

[0029] Reference example Figures 1 to 7The utility model relates to a fire emergency explosion -proof sign lamp, including explosion -proof casing 1, explosion -proof casing 1 is equipped with explosion -proof chamber 11, and the entrance of explosion -proof chamber 11 is equipped with explosion -proof cover plate 2, and the four corners of explosion -proof chamber 11 are equipped with counterbore 12, and counterbore 12 is equipped with blind hole 13, and counterbore 12 is equipped with baffle 3, and blind hole 13 is equipped with liftable connecting column 4 in, and passes through baffle 3, and the both sides of connecting column 4 are equipped with fixed part 41, and explosion -proof cover plate 2 is equipped with first mounting hole 21 corresponding blind hole 13, and first mounting hole 21 is equipped with through -hole 22 for fixed part 41 to pass through, and first mounting hole 21 is equipped with fixed groove 23, and baffle 3 is equipped with spring 5, and the downward pressure is applied to connecting column 4, and fixed part 41 applies the downward pressure to fixed groove 23;

[0030] Worth mentioning is that the entrance of explosion -proof chamber 11 is equipped with sink groove 14, and the four corners of sink groove 14 are provided with counterbore 12, and the inner wall of counterbore 12 is equipped with internal thread groove 121, and sink groove 14 plays the role of containing explosion -proof cover plate 2, and internal thread groove 121 is used with external thread groove 31;

[0031] Worth mentioning is that baffle 3 is equipped with external thread groove 31, and is threadedly connected in internal thread groove 121, and baffle 3 is equipped with perforation 32 for connecting column 4 to pass through, and one end surface of perforation 32 is equipped with cross groove 33, and the opener is inserted into cross groove 33, and the opener is rotated to make baffle 3 connect and fix with counterbore 12;

[0032] Worth mentioning is that the bottom of connecting column 4 is equipped with pressure -bearing ring 42, and spring 5 abuts against pressure -bearing ring 42, and connecting column 4 is equipped with operating part 43, and pressure -bearing ring 42 bears the elastic force of spring 5 and is conducted to connecting column 4, and connecting column 4 is operated to rise and rotate through operating part 43;

[0033] Worth mentioning is that explosion -proof casing 1 is equipped with mounting structure 6, and the front of explosion -proof casing 1 is equipped with sign lamp 15, and explosion -proof casing 1 is equipped with detachable end cover 16 for fixing sign lamp 15 on explosion -proof casing 1, and sign lamp 15 includes safety exit indicator, fire emergency lamp, school bus sign lamp 15, tunnel indicator, explosion -proof sign lamp 15 and traffic light, and end cover 16 is connected and fixed with explosion -proof casing 1 through multiple fasteners;

[0034] Worth mentioning is that mounting structure 6 includes connecting sheet 7, and connecting sheet 7 is fixed on the both sides of explosion -proof chamber 11, and connecting sheet 7 is equipped with second mounting hole 71, and the fastener is placed in second mounting hole 71, and connecting sheet 7 is connected with the fixed object, and this mounting structure 6 cannot adjust explosion -proof casing 1; Figure 3

[0035] ​It is worth mentioning that the mounting structure 6 comprises support pieces 8 fixed on both sides of the explosion-proof cover 1, the support pieces 8 are provided with hinge holes 81, one side of the hinge holes 81 is provided with a plurality of fixing holes 82 evenly distributed with the round points as the axis, the mounting pieces 9 are arranged between the two support pieces 8, the mounting pieces 9 are hinged to the hinge holes 81, the mounting pieces 9 are provided with fastening screws 83 and are screwed into one of the fixing holes 82, the mounting pieces 9 are provided with at least two second mounting holes 71, as shown in the accompanying drawings, the fasteners are placed through the second mounting holes 71, so that the mounting pieces 9 are connected and fixed with the fixed objects, the angle between the mounting pieces 9 and the support pieces 8 is adjusted, the angle of the indicating lamp is adjusted to be convenient for the personnel to observe, finally, the fastening screws 83 are fixed in the fixing holes 82, so that the adjusted angle is fixed. Figure 2

[0036] It is worth mentioning that the fixing grooves 23 are arranged in cross with the through holes 22.

[0037] The use principle of the utility model will be described as follows:

[0038] The fixed part 41 is passed through the through hole 22 by applying upward tension to the operation part 43, the spacing between the pressure ring 42 and the baffle 3 is reduced, and the spring 5 is compressed to store energy;

[0039] When the fixed part 41 is higher than the explosion-proof cover plate 2, the operation part 43 is rotated, the fixed part 41 is located above the fixing groove 23, the force applied to the operation part 43 is released, the spring 5 releases downward pressure to the pressure ring 42, the fixed part 41 quickly descends and is tightly pressed in the fixing groove 23, so that the explosion-proof cover plate 2 is tightly attached to the sink groove 14, as shown in the accompanying drawings. Figure 4

[0040] The above design scheme can improve the disassembly and assembly efficiency and is convenient to operate.

[0041] The above content is further described in detail in combination with the specific embodiments, and the specific embodiments of the utility model cannot be limited to these descriptions. For ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them should be regarded as belonging to the protection range determined by the claims of the utility model.​​

Claims

1. A fire emergency explosion-proof sign light, comprising an explosion-proof housing (1), wherein the explosion-proof housing (1) is provided with an explosion-proof cavity (11), and an explosion-proof cover plate (2) is provided at the entrance of the explosion-proof cavity (11), characterized in that: The explosion-proof cavity (11) has countersunk holes (12) at its four corners. Each countersunk hole (12) has a blind hole (13). Each countersunk hole (12) has a baffle (3). Each blind hole (13) has a liftable connecting column (4) that passes through the baffle (3). Each connecting column (4) has a fixing part (41) on both sides. Each explosion-proof cover plate (2) has a first mounting hole (21) corresponding to the blind hole (13). Each first mounting hole (21) has a through hole (22) through which the fixing part (41) passes. Each first mounting hole (21) has a fixing groove (23). Each baffle (3) has a spring (5) that applies downward pressure to the connecting column (4), causing the fixing part (41) to apply downward pressure to the fixing groove (23).

2. The fire emergency explosion-proof sign light according to claim 1, characterized in that; The explosion-proof cavity (11) is provided with a countersunk groove (14) at the entrance, and the countersunk holes (12) are provided at the four corners of the countersunk groove (14). The inner wall of the countersunk holes (12) is provided with an internal thread groove (121), and the explosion-proof cavity (11) is provided with a conduit (111).

3. The fire emergency explosion-proof sign light according to claim 2, characterized in that: The baffle (3) is provided with an external threaded groove (31) and is threaded to an internal threaded groove (121). The baffle (3) is provided with a through hole (32) for the connecting post (4) to pass through. One end face of the through hole (32) is provided with a cross groove (33).

4. The fire emergency explosion-proof sign light according to claim 3, characterized in that: The bottom of the connecting column (4) is provided with a pressure ring (42), the spring (5) abuts against the pressure ring (42), and the connecting column (4) is provided with an operating part (43).

5. The fire emergency explosion-proof sign light according to claim 1, characterized in that: The explosion-proof housing (1) is provided with an installation structure (6), and a sign light (15) is provided on the front of the explosion-proof housing (1). The explosion-proof housing (1) is provided with a detachable end cap (16) for fixing the sign light (15) on the explosion-proof housing (1).

6. The fire emergency explosion-proof sign light according to claim 5, characterized in that: The mounting structure (6) includes a connecting piece (7), which is fixed on both sides of the explosion-proof cavity (11). The connecting piece (7) is provided with a second mounting hole (71).

7. The fire emergency explosion-proof sign light according to claim 5, characterized in that: The mounting structure (6) includes a support member (8), which is fixed on both sides of the explosion-proof housing (1). The support member (8) is provided with a hinge hole (81). On one side of the hinge hole (81), there are several fixing holes (82) evenly distributed around its center. An mounting member (9) is provided between two support members (8). The mounting member (9) is hinged to the hinge hole (81). The mounting member (9) is provided with a fastening screw (83) and threaded to one of the fixing holes (82). The mounting member (9) is provided with at least two second mounting holes (71).

8. The fire emergency explosion-proof sign light according to any one of claims 2 to 7, characterized in that: The fixing groove (23) and the through hole (22) are arranged in a cross pattern.

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