Wall-mounted fire-fighting broadcast loudspeaker

Abstract

The utility model relates to the technical field of broadcast loudspeakers, in particular to a wall-mounted fire-fighting broadcast loudspeaker, which comprises an angle plate, a first support plate and a second support plate are horizontally and fixedly mounted on the inner side of the angle plate, a reciprocating motor is fixedly mounted at the top end of the first support plate, a rotary drum is rotatably mounted on the top end surface of the second support plate, and the rotary drum is fixedly mounted on the inner side of the angle plate. One side of the rotating drum is fixedly connected with a mounting plate, one side of the mounting plate is provided with a mounting groove, the mounting groove is used for mounting and inserting one end of a broadcast loudspeaker body, and the outer side of the broadcast loudspeaker body is fixedly connected with a connecting block; the output end of the reciprocating motor penetrates through the first supporting plate to be fixedly connected with the center of the top end of the rotating cylinder. The broadcast loudspeaker body can be installed at an indoor corner through the arrangement of the corner plate, so that the installation area of the corner plate and a wall is increased, the installation strength of the broadcast loudspeaker body can be improved, and the corner is not easy to touch compared with the wall.

Description

TECHNICAL FIELD

[0001] The utility model relates to broadcast loudspeaker technical field, concretely relates to a wall -hanging fire control broadcast loudspeaker. BACKGROUND

[0002] Fire control broadcast loudspeaker is important equipment for carrying out evacuation instruction and information transmission under emergency such as fire, and fire control broadcast loudspeaker is usually installed in public places such as corridor, hall, stairway anteroom etc. to ensure that evacuation instruction and safety information can be transmitted rapidly and effectively when fire occurs.

[0003] The existing broadcast loudspeaker is mostly installed on the wall when installing in the room, but the installation strength of the broadcast loudspeaker is not enough due to the plane structure of the wall, and the installation position is easy to be touched, and most of the broadcast loudspeakers cannot adjust the broadcast angle after installation, so that the broadcast effect of the loudspeaker is not very good in some relatively spacious indoor, therefore a wall -hanging fire control broadcast loudspeaker is provided, which can install the broadcast loudspeaker on the corner and adjust the broadcast angle to improve the broadcast effect. SUMMARY

[0004] In view of the problems in the prior art, the utility model provides a wall -hanging fire control broadcast loudspeaker, which can install the broadcast loudspeaker on the corner and adjust the broadcast angle to improve the broadcast effect.

[0005] The utility model solves the technical scheme that the utility model adopts adopts a wall -hanging fire control broadcast loudspeaker, including the gusset, the inside horizontal fixed mounting of gusset has first support plate and second support plate, first support plate is located the upside of second support plate, first support plate and second support plate between open first cavity, the top fixed mounting of first support plate has reciprocating motor, the top surface rotation of second support plate installs the rotary drum, the one side fixed connection of rotary drum has the mounting plate, the one side of mounting plate is opened and has installed the slot, the inside communication of installed slot and rotary drum,

[0006] The installation slot is used for the one end installation of the broadcast loudspeaker body and is inserted, the outside fixed connection of the broadcast loudspeaker body has the connecting block, the connecting block is fixedly connected through bolt between the installation plate, the output of reciprocating motor passes through the top center of first support plate and rotary drum and is fixedly connected.

[0007] Through the above technical scheme, the broadcast loudspeaker body can be installed in the corner of the room through the setting of the gusset, so that the installation area of the gusset and the wall is increased, the installation strength of the broadcast loudspeaker body is increased, and the corner is more difficult to be touched than the wall.

[0008] The reciprocating motor is arranged to drive the rotary drum and the loudspeaker body to rotate within a certain angle range, so that the loudspeaker body can be driven to rotate when the loudspeaker body works, thereby improving the broadcasting effect.

[0009] Specifically, the inner upper portion of the angle plate is fixedly provided with a dust cover, one side of the dust cover is rotatably connected with a dust screen plate through a hinge, and a second cavity is arranged between the first supporting plate and the dust cover.

[0010] By adopting the above technical scheme, the dust cover and the dust screen plate can prevent dust from falling on the surface of the reciprocating motor.

[0011] Specifically, the second supporting plate is internally provided with a bearing, and the bearing is sleeved on the outer side of the bottom end of the rotary drum.

[0012] By adopting the above technical scheme, the bearing can be arranged to allow the rotary drum to rotate at the top end of the second supporting plate.

[0013] Specifically, the bottom end of the second supporting plate is provided with a through hole, the through hole is located directly below the center of the bottom end of the rotary drum, and the through hole is in communication with the inside of the rotary drum.

[0014] By adopting the above technical scheme, the installer can insert his fingers into the inside of the rotary drum from the through hole, and pull the connecting line of the loudspeaker body out of the through hole to facilitate connection with the external power supply.

[0015] Specifically, the outer upper portion of the angle plate is fixedly connected with a positioning rod, and the positioning rod is provided with a plurality of positioning rods.

[0016] Specifically, the inside of the angle plate is provided with a plurality of bolt holes.

[0017] By adopting the above technical scheme, the positioning hole can be punched out by the puncher above the corner in the room, so that the positioning rod on the outer side of the angle plate can be inserted into the positioning hole and the outer side of the angle plate can be attached to the corner, facilitating installation and positioning of the angle plate and allowing the angle plate to be hung on the corner, so that the angle plate does not need to be held by hand when installing the bolt.

[0018] The beneficial effects of the utility model are as follows:

[0019] (1) The wall-mounted fire-fighting loudspeaker can be installed in the corner of the room through the arrangement of the angle plate, so that the installation area of the angle plate and the wall is increased, the installation strength of the loudspeaker body is increased, and the corner is less likely to be touched than the wall.

[0020] (2) The wall-mounted fire-fighting broadcast loudspeaker disclosed by the utility model can drive the rotary drum and the broadcast loudspeaker body to rotate within a certain angle range through the setting of the reciprocating motor, so that the broadcast loudspeaker body can be driven to rotate when the broadcast loudspeaker body works, so as to improve the broadcast effect. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model is further described below in combination with the drawings and embodiments.

[0022] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0023] Figure 2 It is a second cavity structure schematic view of the utility model;

[0024] Figure 3 It is a plane structure schematic view of the utility model;

[0025] Figure 4 It is a broadcast loudspeaker body structure schematic view of the utility model;

[0026] In the drawing: 1, dust cover; 2, positioning rod; 3, dust screen plate; 4, first support plate; 5, angle plate; 6, bolt hole; 7, broadcast loudspeaker body; 8, connecting block; 9, mounting plate; 10, rotary drum; 11, second support plate; 12, first cavity; 13, reciprocating motor; 14, second cavity; 15, mounting groove; 16, bearing; 17, through hole. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0028] In order to install the broadcast loudspeaker on the corner and adjust the broadcast angle to improve the broadcast effect, as an embodiment of the utility model, as shown in Figures 1-4 The wall-mounted fire-fighting broadcast loudspeaker disclosed by the utility model comprises an angle plate 5, the inner side of the angle plate 5 is horizontally fixedly provided with a first support plate 4 and a second support plate 11, the first support plate 4 is located directly above the second support plate 11, a first cavity 12 is formed between the first support plate 4 and the second support plate 11, the top end of the first support plate 4 is fixedly provided with a reciprocating motor 13, the top end surface of the second support plate 11 is rotatably provided with a rotary drum 10, one side of the rotary drum 10 is fixedly connected with a mounting plate 9, one side of the mounting plate 9 is provided with a mounting groove 15, the mounting groove 15 is in communication with the inside of the rotary drum 10;

[0029] The mounting groove 15 is used for inserting and mounting one end of the loudspeaker body 7, the outer side of the loudspeaker body 7 is fixedly connected with a connecting block 8, the connecting block 8 is fixedly connected with a mounting plate 9 through bolts, and the output end of the reciprocating motor 13 is fixedly connected with the top center of the rotating drum 10 through the first supporting plate 4.

[0030] In use, first, the corner plate 5 is fixedly installed above the indoor corner, one end of the loudspeaker body 7 and the connecting line are inserted into the mounting groove 15, and the loudspeaker body 7 and the rotating drum 10 can be fixedly installed by sequentially penetrating the connecting block 8 and the mounting plate 9 through bolts, when the loudspeaker body 7 is performing fire-fighting broadcasting, the rotating drum 10 can be driven to reciprocate by 90 degrees by starting the reciprocating motor 13, and the loudspeaker body 7 can be driven to reciprocate by 90 degrees by the rotation of the rotating drum 10, so as to expand the broadcasting effect of the loudspeaker body 7.

[0031] It should be noted that the rotation angle of the reciprocating motor 13 is set to 90 degrees, which can avoid the loudspeaker body 7 from colliding with the corner plate 5 and the wall when rotating.

[0032] The novel also comprises that a dust cover 1 is fixedly installed on the inner side of the upper part of the corner plate 5, a dust screen plate 3 is rotatably connected to one side of the dust cover 1 through a hinge, and a second cavity 14 is arranged between the first supporting plate 4 and the dust cover 1.

[0033] In use, the dust cover 1 and the dust screen plate 3 can prevent dust from falling on the surface of the reciprocating motor 13, and the dust screen plate 3 can be opened upward through the hinge connection, so as to install, dismount and the like of the reciprocating motor 13.

[0034] The novel also comprises that a bearing 16 is arranged in the second supporting plate 11, and the bearing 16 is sleeved on the outer side of the bottom end of the rotating drum 10.

[0035] In use, the rotating drum 10 can rotate at the top end of the second supporting plate 11 through the arrangement of the bearing 16.

[0036] The novel also comprises that a through hole 17 is arranged at the bottom end of the second supporting plate 11, the through hole 17 is located directly below the bottom center of the rotating drum 10, and the through hole 17 is in communication with the inside of the rotating drum 10.

[0037] In use, the installer can insert his fingers into the inside of the rotating drum 10 from the through hole 17, and pull out the connecting line of the loudspeaker body 7 from the through hole 17 to facilitate the connection with the external power supply.

[0038] The novel also comprises that a plurality of positioning rods 2 are fixedly connected to the outer side of the upper part of the corner plate 5.

[0039] The utility model also includes that the inside of the angle plate 5 is provided with bolt holes 6, and the bolt holes 6 are provided with multiple positions.

[0040] In use, positioning holes are punched on the top of the corner in the room by a puncher, so that the positioning rods 2 on the outer side of the angle plate 5 can be inserted into the positioning holes and the outer side of the angle plate 5 can be attached to the corner, thereby facilitating the installation and positioning of the angle plate 5 and allowing the angle plate 5 to be hung on the corner, so that the angle plate 5 does not need to be held by hand when the bolts are installed subsequently.

[0041] In use, positioning holes are punched on the top of the corner in the room by a puncher, so that the positioning rods 2 on the outer side of the angle plate 5 can be inserted into the positioning holes and the outer side of the angle plate 5 can be attached to the corner, thereby facilitating the installation and positioning of the angle plate 5 and allowing the angle plate 5 to be hung on the corner, so that the angle plate 5 does not need to be held by hand when the bolts are installed subsequently.

[0042] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only used to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wall-mounted fire safety loudspeaker comprising an angle plate (5), characterized in that, The inner side of the angle plate (5) is fixedly provided with a first support plate (4) and a second support plate (11), the first support plate (4) is located directly above the second support plate (11), a first cavity (12) is formed between the first support plate (4) and the second support plate (11), the top end of the first support plate (4) is fixedly provided with a reciprocating motor (13), the top end surface of the second support plate (11) is rotatably provided with a rotating drum (10), one side of the rotating drum (10) is fixedly connected with a mounting plate (9), one side of the mounting plate (9) is provided with a mounting groove (15), the mounting groove (15) is in communication with the inside of the rotating drum (10); The mounting groove (15) is used for mounting and inserting one end of the broadcast speaker body (7), the outer side of the broadcast speaker body (7) is fixedly connected with a connecting block (8), the connecting block (8) and the mounting plate (9) are fixedly connected through bolts, the output end of the reciprocating motor (13) is fixedly connected with the top end center of the rotating drum (10) through the first support plate (4).

2. A wall-mounted fire safety broadcast speaker according to claim 1, wherein, The inner side of the angle plate (5) is fixedly provided with a dust cover (1), one side of the dust cover (1) is rotatably connected with a dust screen plate (3) through a hinge, a second cavity (14) is arranged between the first support plate (4) and the dust cover (1).

3. A wall-mounted fire safety broadcast speaker according to claim 1, wherein, The inside of the second support plate (11) is provided with a bearing (16), the bearing (16) is sleeved on the outer side of the bottom end of the rotating drum (10).

4. A wall-mounted fire safety broadcast speaker according to claim 1, wherein, The bottom end of the second support plate (11) is provided with a through hole (17), the through hole (17) is located directly below the bottom end center of the rotating drum (10), and the through hole (17) is in communication with the inside of the rotating drum (10).

5. A wall-mounted fire safety broadcast speaker according to claim 1, wherein, The outer side of the angle plate (5) is fixedly connected with a positioning rod (2), and the positioning rod (2) is provided with a plurality of.

6. A wall-mounted fire safety broadcast speaker according to claim 1, wherein, The inside of the angle plate (5) is provided with a plurality of bolt holes (6). The inside of the angle plate (5) is provided with a plurality of bolt holes (6).

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