CN219997659U - Explosion-proof audible and visual alarm - Google Patents

Abstract

The utility model discloses an explosion-proof audible and visual alarm, which comprises a mounting shell, wherein the mounting shell comprises a bottom shell and an external thread sleeve, the external thread sleeve is arranged on the upper end face of the bottom shell, the external thread sleeve is fixedly connected with the bottom shell, an alarm horn is arranged in the middle of the bottom shell, a control circuit board is arranged above the alarm horn, the alarm horn and the control circuit board are fixedly connected with the bottom shell, an alarm lamp is arranged in the middle of the external thread sleeve, and the alarm lamp is fixedly arranged on the upper end face of the bottom shell. According to the utility model, the first protective cover is fixedly arranged at the front end of the mounting shell, so that the control circuit board is conveniently protected through the top shell on the first protective cover, the alarm horn is simultaneously protected through the outer baffle shell, and the second protective cover is fixedly arranged on the outer thread sleeve, so that the protection alarm lamp is conveniently shielded and protected through the second protective cover, and the integral safety of the alarm in the use process can be ensured.

Description

Explosion-proof audible and visual alarm

Technical Field

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

Background

The current audible and visual alarm is an alarm device designed for meeting the special requirements of customers on the loudness of alarm and the installation position, and can send out audible and visual alarm signals simultaneously. When emergency such as accident or fire disaster occurs in the production site, the detector senses the abnormal situation and then sends corresponding signals to the audible and visual alarm to start the audible and visual alarm circuit, and the audible and visual alarm signals are sent out to fulfill the aim of alarm.

Aiming at the related technology, the inventor considers that the existing audible and visual alarm is often only provided with a protective cover on a lamp tube in the use process, the protective effect on a loudspeaker and a circuit board is poor, once the audible and visual alarm is installed to be exploded, failure of the audible and visual alarm is easily caused, the existing lamplight protection mode adopts an installation shell, the protective effect is single, the shell is easy to age after long-time use, and the protective effect is reduced.

Disclosure of Invention

The utility model provides an explosion-proof audible and visual alarm which is used for solving the problems in the background technology.

The utility model is realized in the following way:

the utility model provides an explosion-proof audible-visual annunciator, includes the installation shell, the installation shell includes drain pan and external screw thread cover, the external screw thread cover sets up the up end at the drain pan, and external screw thread cover and drain pan fixed connection, the mid-mounting of drain pan has alarm loudspeaker, alarm loudspeaker top is provided with control circuit board, alarm loudspeaker and control circuit board all with drain pan fixed connection, the middle part of external screw thread cover is provided with the alarm lamp, alarm lamp fixed mounting is at the up end of drain pan, the preceding terminal surface of drain pan is provided with the first protection casing of protection alarm loudspeaker, install the second protection casing of protection alarm lamp on the external screw thread cover.

Further, the bottom shell comprises a vertical shell and a horizontal shell, wherein the horizontal shell is arranged at the head part of the vertical shell, and the horizontal shell and the vertical shell are integrally formed.

Further, the bilateral symmetry of horizontal shell is provided with the hang plate, hang plate and horizontal shell integrated into one piece, the bilateral symmetry of standing the shell is provided with the outer ear board, outer ear board and the perpendicular fixed connection of standing the shell.

Further, the first protection casing includes top shell and outer fender shell, outer fender shell sets up the lower extreme at the top shell, and outer fender shell and top shell fixed connection.

Further, the top shell comprises a casing and a right-angle rod, wherein the casing and the right-angle rod are sleeved on the control circuit board, the right-angle rod is symmetrically arranged on the outer side face of the casing, and the right-angle rod is fixedly connected with the casing.

Further, the outer baffle shell comprises a screen plate and side panels, wherein the side panels are symmetrically arranged on two sides of the screen plate, and the side panels are vertically and fixedly connected with the screen plate.

Further, the second protective cover comprises a bottom sleeve matched with the external thread sleeve and a shield frame, wherein the shield frame is arranged on the upper end face of the bottom sleeve and is fixedly connected with the bottom sleeve.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the first protective cover is fixedly arranged at the front end of the mounting shell, so that the control circuit board is conveniently protected through the top shell on the first protective cover, the alarm horn is simultaneously protected through the outer baffle shell, and the second protective cover is fixedly arranged on the outer thread sleeve, so that the protective alarm lamp is conveniently shielded and protected through the second protective cover, thus the integral safety of the alarm in the use process can be ensured, and the alarm has the advantages of good protective effect and safe use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of the overall structure in an embodiment of the present utility model;

FIG. 2 is a perspective view of a mounting shell in an embodiment of the utility model;

FIG. 3 is a front view of the device of FIG. 2;

FIG. 4 is a perspective view of a first shield in an embodiment of the utility model;

fig. 5 is a perspective view of a second shield in an embodiment of the utility model.

In the figure: 1. a mounting shell; 11. a bottom case; 111. a vertical shell; 112. a horizontal housing; 113. an inclined plate; 114. an outer ear plate; 12. an external thread sleeve; 2. an alarm horn; 3. a control circuit board; 4. an alarm lamp; 5. a first shield; 51. a top shell; 511. a casing; 512. a right angle lever; 52. an outer housing; 521. a screen plate; 522. a side panel; 6. a second shield; 61. a bottom sleeve; 62. and a shield frame.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, an explosion-proof audible-visual annunciator is shown, including installation shell 1, installation shell 1 includes drain pan 11 and external screw thread cover 12, external screw thread cover 12 sets up the up end at drain pan 11, and external screw thread cover 12 and drain pan 11 fixed connection, the mid-mounting of drain pan 11 has warning loudspeaker 2, warning loudspeaker 2 top is provided with control circuit board 3, warning loudspeaker 2 and control circuit board 3 all with drain pan 11 fixed connection, the middle part of external screw thread cover 12 is provided with warning lamp 4, warning lamp 4 fixed mounting is at the up end of drain pan 11, drain pan 11 includes vertical shell 111 and horizontal shell 112, horizontal shell 112 sets up the head at vertical shell 111, and horizontal shell 112 and vertical shell 111 integrated into one piece. The structural arrangement of the bottom shell 11 ensures that the horizontal shell 112 is supported and mounted by the vertical shell 111, and then the arrangement of the horizontal shell 112 ensures that the second protective cover 6 is mounted in a matched manner by the external thread bush 12 on the upper end face of the horizontal shell 112. Inclined plates 113 are symmetrically arranged on two sides of the horizontal shell 112, the inclined plates 113 and the horizontal shell 112 are integrally formed, outer ear plates 114 are symmetrically arranged on two sides of the vertical shell 111, and the outer ear plates 114 are fixedly connected with the vertical shell 111 vertically. The inclined plate 113 is arranged to be convenient to cooperate with the first protective cover 5 for protection, and the outer ear plate 114 is arranged to be better for fixed installation and use.

Referring to fig. 4, the front end surface of the bottom case 11 is provided with a first protection cover 5 for protecting the alarm horn 2, the first protection cover 5 includes a top case 51 and an outer shield case 52, the outer shield case 52 is disposed at the lower end of the top case 51, and the outer shield case 52 is fixedly connected with the top case 51. Through carrying out fixed mounting outer shield 52 through setting up the structure to first protection casing 5 assurance through top shell 51, guarantee to shelter from the protection to warning loudspeaker 2 through the setting of outer shield 52, top shell 51 is including cover shell 511 and right angle pole 512 of establishing on control circuit board 3, and right angle pole 512 symmetry sets up on the lateral surface of shell 511, and right angle pole 512 and shell 511 fixed connection. The mounting of the casing 511 is facilitated by the structural arrangement of the top shell 51, and thus the top shell 51 can be sleeved on the control circuit board 3 for protection after being mounted on the bottom shell 11 through the casing 511. The outer baffle shell 52 comprises a screen 521 and side panels 522, the side panels 522 are symmetrically arranged on two sides of the screen 521, and the side panels 522 are vertically and fixedly connected with the screen 521. The structure of the outer baffle shell 52 ensures that the side panels 522 are arranged on two sides of the screen 521, so that the alarm horn 2 can be laterally protected through the side panels 522 on two sides.

Referring to fig. 5, a second protection cover 6 for protecting the warning lamp 4 is mounted on the male screw housing 12. The second protection cover 6 comprises a bottom sleeve 61 matched with the external thread sleeve 12 and a shield frame 62, wherein the shield frame 62 is arranged on the upper end surface of the bottom sleeve 61, and the shield frame 62 is fixedly connected with the bottom sleeve 61. The bottom sleeve 61 is arranged at the lower end of the shield frame 62 through the structure of the second shield 6, and the inner side surface of the bottom sleeve 61 is provided with inner threads, so that the bottom sleeve 61 is conveniently matched and connected with the outer thread sleeve 12.

The equipment is fixedly installed on the wall surface through the outer ear plate 114 when the equipment needs to be used, then the first protective cover 5 is fixedly installed at the front end of the installation shell 1, so that the control circuit board 3 can be protected through the top shell 51 on the first protective cover 5, the alarm horn 2 is protected through the outer baffle shell 52, and meanwhile, the second protective cover 6 is fixedly installed on the outer thread sleeve 12, so that the protection alarm lamp 4 can be conveniently shielded and protected through the second protective cover 6.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. An explosion-proof audible and visual alarm, includes installation shell (1), its characterized in that: the installation shell (1) comprises a bottom shell (11) and an external thread sleeve (12), the external thread sleeve (12) is arranged on the upper end face of the bottom shell (11), the external thread sleeve (12) is fixedly connected with the bottom shell (11), an alarm horn (2) is arranged in the middle of the bottom shell (11), a control circuit board (3) is arranged above the alarm horn (2), the alarm horn (2) and the control circuit board (3) are fixedly connected with the bottom shell (11), an alarm lamp (4) is arranged in the middle of the external thread sleeve (12), the alarm lamp (4) is fixedly arranged on the upper end face of the bottom shell (11), a first protective cover (5) for protecting the alarm horn (2) is arranged on the front end face of the bottom shell (11), and a second protective cover (6) for protecting the alarm lamp (4) is arranged on the external thread sleeve (12).

2. An explosion-proof audible and visual alarm according to claim 1, wherein the bottom shell (11) comprises a vertical shell (111) and a horizontal shell (112), the horizontal shell (112) is arranged at the head of the vertical shell (111), and the horizontal shell (112) and the vertical shell (111) are integrally formed.

3. The explosion-proof audible and visual alarm according to claim 2, wherein inclined plates (113) are symmetrically arranged on two sides of the horizontal shell (112), the inclined plates (113) and the horizontal shell (112) are integrally formed, outer ear plates (114) are symmetrically arranged on two sides of the vertical shell (111), and the outer ear plates (114) are fixedly connected with the vertical shell (111) vertically.

4. An explosion-proof audible and visual alarm according to claim 3, wherein the first protective cover (5) comprises a top shell (51) and an outer baffle shell (52), the outer baffle shell (52) is arranged at the lower end of the top shell (51), and the outer baffle shell (52) is fixedly connected with the top shell (51).

5. The explosion-proof audible and visual alarm according to claim 4, wherein the top case (51) comprises a casing (511) and a right-angle rod (512) which are sleeved on the control circuit board (3), the right-angle rod (512) is symmetrically arranged on the outer side surface of the casing (511), and the right-angle rod (512) is fixedly connected with the casing (511).

6. The explosion-proof audible and visual alarm according to claim 5, wherein the outer shielding shell (52) comprises a screen plate (521) and side panels (522), the side panels (522) are symmetrically arranged on two sides of the screen plate (521), and the side panels (522) are fixedly connected with the screen plate (521) vertically.

7. The explosion-proof audible and visual alarm according to claim 6, wherein the second protective cover (6) comprises a bottom sleeve (61) matched with the external thread sleeve (12) and a shield frame (62), the shield frame (62) is installed on the upper end face of the bottom sleeve (61), and the shield frame (62) is fixedly connected with the bottom sleeve (61).