CN216352668U

CN216352668U - Explosion-proof audible and visual alarm

Info

Publication number: CN216352668U
Application number: CN202123060024.0U
Authority: CN
Inventors: 杨豪杰
Original assignee: Shenhai Explosion Proof Technology Co ltd
Current assignee: Shenhai Explosion Proof Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-19
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses an explosion-proof audible and visual alarm, which belongs to the technical field of alarms and comprises a shell, an alarm main body and a loudspeaker, wherein a junction box is arranged on the outer wall of the shell and consists of a box body and an end cover, a wiring bus bar is arranged in the box body, the inner wall of the end cover is hollow to form a heat dissipation cavity, a conduction mechanism is arranged in the heat dissipation cavity and comprises a radiating fin A and a radiating fin B which are embedded on the end cover, elastic components are arranged on the inner walls of the radiating fin A and the radiating fin B, and a plurality of elastic components surround the bus bar to form an extrusion cavity. According to the utility model, the junction box is arranged on the outer wall of the shell, so that an installer does not need to integrally disassemble the audible and visual alarm during wiring operation, the installation efficiency is improved, and the safety risk is reduced. The end cover is also internally provided with a conduction mechanism, the elastic assembly is used for further compressing and providing double shock absorption for the wiring bus, and meanwhile, the electric heat generated by the operation of an electric appliance in the wiring box is dissipated through the conduction mechanism, so that the service life of the terminal box is prolonged.

Description

Explosion-proof audible and visual alarm

Technical Field

The utility model relates to the technical field of alarms, in particular to an explosion-proof audible and visual alarm.

Background

The audible and visual alarm is called as audible and visual alarm number and is set for meeting the special requirements of customers on the alarm loudness and the installation position. Simultaneously, two alarm signals of sound and light are sent out. The special field is as follows: industries such as ferrous metallurgy, telecommunication towers, hoisting machinery, engineering machinery, ports and docks, transportation, wind power generation, ocean vessels and the like; is an accessory product in an industrial alarm system.

The current audible-visual annunciator has the inconvenient problem of wiring in the use, and traditional audible-visual annunciator need wholly dismantle when installer ascends a height the installation, not only wastes time and energy, and has the safety risk. In view of this, we propose an explosion-proof audible and visual alarm.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide an explosion-proof audible and visual alarm to solve the problems in the background technology.

2. Technical scheme

The utility model provides an explosion-proof audible and visual alarm, includes the casing and install in alarm main part in the casing, loudspeaker are installed to casing one side outer wall, the terminal box is installed to casing opposite side outer wall, the terminal box comprises box body and end cover, be equipped with female the arranging of wiring in the box body, end cover inner wall cavity constitutes the heat dissipation chamber, the heat dissipation intracavity is equipped with conduction mechanism, conduction mechanism is including being fin A and the fin B that the structure was arranged from top to bottom, fin A all inlays with fin B and locates on the end cover all be equipped with elastic component on fin A and fin B's the inner wall, it is a plurality of elastic component encloses into female extrusion chamber of arranging.

Preferably, the heat radiating fins A are in a T-shaped structure.

Preferably, the heat dissipation fins B have a semicircular structure.

Preferably, the elastic component comprises an elastic seat, a top cap, a spring and an elastic holding sheet; the spring groove has been seted up to elastic seat the inner, spring groove opening inner wall is equipped with the thread groove, the hood outer end is equipped with the external screw thread with thread groove complex, the spring inlays to be located between hood and the elastic seat, elasticity is embraced the piece and is set firmly in hood the inner and with the female edge contact of arranging of wiring.

Preferably, the caliber of the spring groove is larger than that of the thread groove.

Preferably, the elastic holding piece comprises a U-shaped connecting portion and a raised edge arranged on an opening on one side of the U-shaped connecting portion, and the raised edge is held in a holding mode to form a busbar squeezing cavity.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the junction box is arranged on the outer wall of the shell, so that an installer does not need to integrally disassemble the audible and visual alarm during wiring operation, the installation efficiency is improved, and the safety risk is reduced. The end cover is also internally provided with a conduction mechanism, the elastic assembly is used for further compressing and providing double shock absorption for the wiring bus, and meanwhile, the electric heat generated by the operation of an electric appliance in the wiring box is dissipated through the conduction mechanism, so that the service life of the terminal box is prolonged.

Drawings

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

FIG. 2 is a schematic diagram of the present invention with the overall structure broken away;

FIG. 3 is a schematic view of the inner side structure of the end cap of the present invention;

FIG. 4 is a schematic view of the elastic member of the present invention in a disassembled configuration;

the reference numbers in the figures illustrate: 1. a housing; 2. an alarm main body; 3. a horn; 4. a junction box; 401. a box body; 402. an end cap; 403. a heat dissipation cavity; 5. a conducting mechanism; 501. a heat sink A; 502. a heat sink B; 6. an elastic component; 601. an elastic seat; 602. a top cap; 603. a spring; 604. an elastic holding sheet; 605. a spring slot; 606. a thread groove; 607. and (4) external threads.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an explosion-proof audible and visual alarm, include casing 1 and install alarm main part 2 in casing 1, loudspeaker 3 is installed to 1 one side outer wall of casing, terminal box 4 is installed to 1 opposite side outer wall of casing, terminal box 4 comprises box body 401 and end cover 402, be equipped with female the arranging of wiring in the box body 401, end cover 402 inner wall cavity constitutes heat dissipation chamber 403, be equipped with conduction mechanism 5 in the heat dissipation chamber 403, conduction mechanism 5 is including being fin A501 and fin B502 that the upper and lower structure was arranged, fin A501 and fin B502 all inlay on locating end cover 402, and all be equipped with elastic component 6 on fin A501 and fin B502's inner wall, a plurality of elastic component 6 enclose into female extrusion chamber of arranging. According to the utility model, the junction box 4 is arranged on the outer wall of the shell 1, so that an installer does not need to integrally disassemble the audible and visual alarm during wiring operation, the installation efficiency is improved, and the safety risk is reduced. The end cover 402 is also internally provided with a conduction mechanism 5, the elastic component 6 is used for further compressing and providing double shock absorption for the wiring bus, and meanwhile, electric heat generated by the operation of an electric appliance in the junction box 4 is dissipated through the conduction mechanism 5, so that the service life of the utility model is prolonged.

Specifically, the heat sink a501 has a T-shaped structure.

Further, the heat sink B502 has a semicircular structure. The heat dissipation fins a501 and B502 in the present invention are not limited to the specific shapes disclosed, but should be understood to include structural shapes that are easily modified.

Still further, the elastic component 6 includes an elastic seat 601, a top cap 602, a spring 603 and an elastic holding piece 604; the inner end of the elastic seat 601 is provided with a spring groove 605, the inner wall of the opening of the spring groove 605 is provided with a thread groove 606, the outer end of the top cap 602 is provided with an external thread 607 matched with the thread groove 606, the spring 603 is embedded between the top cap 602 and the elastic seat 601, and the elastic holding piece 604 is fixedly arranged at the inner end of the top cap 602 and is contacted with the edge of the wiring busbar.

Further, the diameter of the spring groove 605 is larger than that of the screw groove 606. The top cap 602 is limited in the spring groove 605 after the thread is separated from the thread groove 606 by arranging the thread groove 606 in the opening of the spring groove 605, and a certain expansion space is provided under the action of the restoring force of the spring 603.

It should be noted that the elastic holding piece 604 includes a U-shaped connecting portion and a raised edge disposed on an opening of one side of the U-shaped connecting portion, and the plurality of raised edges are held together to form a busbar squeezing cavity. The utility model adopts a double-damping structure, so that the elastic holding piece 604 realizes primary damping on the wiring busbar, and secondary damping is realized through the elastic combination of the elastic seat 601, the top cap 602 and the spring 603, thereby preventing the wiring from being broken from the busbar when the audible and visual alarm is vibrated by the external environment.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an explosion-proof audible-visual annunciator, include casing (1) and install in alarm main part (2) in casing (1), loudspeaker (3), its characterized in that are installed to casing (1) one side outer wall: terminal box (4) are installed to casing (1) opposite side outer wall, terminal box (4) comprise box body (401) and end cover (402), be equipped with the female row of wiring in box body (401), end cover (402) inner wall cavity constitutes heat dissipation chamber (403), be equipped with conduction mechanism (5) in heat dissipation chamber (403), conduction mechanism (5) are including fin A (501) and fin B (502) that are upper and lower structure and arrange, fin A (501) and fin B (502) all inlay on end cover (402), and all be equipped with elastic component (6) on the inner wall of fin A (501) and fin B (502), it is a plurality of elastic component (6) enclose into female row's extrusion chamber.

2. An explosion-proof audible and visual alarm as claimed in claim 1, wherein: the radiating fin A (501) is of a T-shaped structure.

3. An explosion-proof audible and visual alarm as claimed in claim 1, wherein: the radiating fins B (502) are of a semicircular structure.

4. An explosion-proof audible and visual alarm as claimed in claim 1, wherein: the elastic component (6) comprises an elastic seat (601), a top cap (602), a spring (603) and an elastic holding sheet (604); the spring groove (605) is formed in the inner end of the elastic seat (601), a thread groove (606) is formed in the inner wall of an opening of the spring groove (605), external threads (607) matched with the thread groove (606) are formed in the outer end of the top cap (602), the spring (603) is embedded between the top cap (602) and the elastic seat (601), and the elastic holding piece (604) is fixedly arranged at the inner end of the top cap (602) and is in contact with the edge of the wiring busbar.

5. An explosion-proof audible and visual alarm as claimed in claim 4, wherein: the caliber of the spring groove (605) is larger than that of the thread groove (606).

6. An explosion-proof audible and visual alarm as claimed in claim 4, wherein: the elastic holding piece (604) comprises a U-shaped connecting portion and a raised edge arranged on an opening on one side of the U-shaped connecting portion, and the raised edge is held in an encircling mode to form a busbar squeezing cavity.