CN211087912U

CN211087912U - Multi-tone alarm

Info

Publication number: CN211087912U
Application number: CN201921715807.8U
Authority: CN
Inventors: 郑永伟
Original assignee: Zhejiang Lishui Development Auto Parts Co ltd
Current assignee: Zhejiang Lishui Development Auto Parts Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-07-24
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a polyphony siren, including loudspeaker, bottom plate, U-shaped frame, the both sides surface of loudspeaker is equipped with the circle axle, the surface of U-shaped frame is equipped with the opening, circle axle card is in the opening of U-shaped frame, there is the thread bush the surface of circle axle through threaded connection, the upper surface of bottom plate is equipped with the boss, the U-shaped frame passes through bolt fixed connection at the boss upper surface, the middle section lower surface of loudspeaker is equipped with the bellmouth, outside the electric wire extends the bellmouth in the loudspeaker, through adopting concatenation unit mount loudspeaker, can be convenient for adjust angle of elevation and horizontal rotation regulation horn angle, angle modulation is nimble to external electric wire extends at the loudspeaker lower extreme to set up the bellmouth, the gap that cooperation sealing rubber layer extends the electric wire is sealed, improves sealing performance, is difficult for intaking.

Description

Multi-tone alarm

Technical Field

The utility model relates to an siren field, more specifically say, relate to a polyphonic siren.

Background

The alarm is an appliance for sending alarm signals, is used for sending signals of forecasting, alarming and alarm relieving, and is mainly used for industrial alarming and automobiles;

like in the siren on the police wagon, it is not nimble enough to adjust at loudspeaker installation rear angle among the prior art, and prior art can only single angle of elevation of adjusting loudspeaker to the external connection of loudspeaker is mostly the outside and extends, and the rainwater easily gets into in the loudspeaker along the gap that the external connection extends when rainy day.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a polyphonic siren through adopting concatenation unit mount loudspeaker, can be convenient for adjust angle of elevation and horizontal rotation regulation loudspeaker angle, the angle modulation is nimble to external electric wire extends at the loudspeaker lower extreme, and sets up the tang, and the gap that cooperation sealing rubber layer extends the electric wire is sealed, improves sealing performance, is difficult for intaking.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a polyphony siren, includes loudspeaker, bottom plate, U-shaped frame, the both sides surface of loudspeaker is equipped with the circle axle, the surface of U-shaped frame is equipped with the opening, the circle axle card is in the opening of U-shaped frame, there is the thread bush the surface of circle axle through threaded connection, the upper surface of bottom plate is equipped with the boss, the U-shaped frame passes through bolt fixed connection at the boss upper surface, the middle section lower surface of loudspeaker is equipped with the bellmouth, outside the electric wire extends the bellmouth in the loudspeaker, through adopting concatenation subassembly installation loudspeaker, can be convenient for adjust angle of elevation and horizontal rotation regulation horn angle, angle modulation is nimble to external electric wire extends at the loudspeaker lower extreme to set up the bellmouth, the gap that cooperation sealing rubber layer extends the electric wire seals, improves sealing performance, is difficult for intaking.

Furthermore, a rubber layer is covered in the convex opening, and the outer surface of the electric wire is tightly attached to the rubber layer, so that the sealing performance of the electric wire after the electric wire extends out of the convex opening is improved.

Furthermore, the outer surface round of thread bush evenly is equipped with the recess, when wrench movement thread bush, improves the frictional force with the hand through the recess, is difficult for skidding when wrench movement.

Furthermore, the blocks are twisted in fixedly connected with the two sides of the outer surface of the upper end bolt head of the bolt, the blocks are twisted through the arrangement, when the blocks are twisted, the blocks can be twisted to drive the bolt to rotate, locking is facilitated, tools are not needed, and the locking device is more convenient.

Furthermore, mounting holes are formed in four corners of the surface of the outer end of the bottom plate, so that the horn can be conveniently mounted on a vehicle.

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

(1) through adopting concatenation subassembly installation loudspeaker, can be convenient for adjust angle of elevation and horizontal rotation regulation loudspeaker angle, the angle modulation is nimble to external electric wire extends at the loudspeaker lower extreme, and sets up the tang, and the gap that cooperation sealing rubber layer extends the electric wire seals, improves sealing performance, is difficult for intaking.

(2) The rubber layer is covered in the convex opening, and the sealing performance of the electric wire after the electric wire extends out of the convex opening is improved on the rubber layer tightly attached to the outer surface of the electric wire.

(3) The outer surface of the threaded sleeve is uniformly provided with a groove in a circle, and when the threaded sleeve is twisted, the friction force between the threaded sleeve and a hand is improved through the groove, so that the threaded sleeve is not easy to slip during twisting.

(4) The piece is turned round to upper end bolt head department surface both sides fixedly connected with of bolt, turns round the piece through setting up, when wrench movement, can wrench movement turn round the piece and drive the bolt rotation, and the locking of being convenient for does not need use tools, and is more convenient.

(5) The mounting holes are formed in four corners of the surface of the outer end of the bottom plate, so that the horn can be conveniently mounted on a vehicle.

Drawings

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

FIG. 2 is a right end side view (partially sectional view) of the overall structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the U-shaped frame of the present invention;

fig. 4 is a top view of the partial structure of the bottom plate of the present invention.

The reference numbers in the figures illustrate:

1 horn, 2 bottom plates, 3U-shaped frames, 4 round shafts, 5 notches, 6 thread sleeves, 7 convex openings, 70 rubber layers, 60 grooves, 20 convex platforms, 21 bolts, 210 torsion blocks and 200 mounting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "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 meaning 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, a polyphonic alarm comprises a horn 1, a bottom plate 2 and a U-shaped frame 3, wherein round shafts 4 are arranged on the outer surfaces of two sides of the horn 1, openings 5 are arranged on the outer surface of the U-shaped frame 3, the round shafts 4 are clamped in the openings 5 of the U-shaped frame 3, the outer surface of the round shafts 4 is connected with a threaded sleeve 6 through threads, a boss 20 is arranged on the upper surface of the bottom plate 2, the U-shaped frame 3 is fixedly connected to the upper surface of the boss 20 through bolts 21, a boss 7 is arranged on the lower surface of the middle section of the horn 1, and an electric wire in the horn 1 extends out of the boss 7.

Referring to fig. 1-4, a rubber layer 70 is covered in the convex opening 7, and on the rubber layer 70 tightly attached to the outer surface of the electric wire, the sealing performance of the electric wire after extending out of the convex opening 7 is improved, a circle of the outer surface of the threaded sleeve 6 is uniformly provided with a groove 60, when the threaded sleeve 6 is twisted, the friction force with the hand is improved through the groove 60, the electric wire is not easy to slip when being twisted, two sides of the outer surface of the upper end bolt head of the bolt 21 are fixedly connected with twisting blocks 210, and through the arrangement of the twisting blocks 210, the twisting blocks 210 can be twisted to drive the bolt 21 to rotate when being twisted, so that the locking is convenient, no tool is needed, and the mounting holes 200 are further convenient to mount the horn 1 on a vehicle.

When the adjustable horn is used, the round shafts 4 are arranged on the outer surfaces of two sides of the horn 1, the opening 5 is arranged on the outer surface of the U-shaped frame 3, the round shafts 4 are clamped in the opening 5 of the U-shaped frame 3 and are connected to the outside of the round shafts 4 through the threaded sleeves 6 to be locked, the horn 1 can be conveniently fixed, the horn 1 can be turned over to adjust the elevation angle, meanwhile, the U-shaped frame 3 is connected to the boss 20 of the base plate 2 through the single bolt 21, the angle of the adjustable horn can be rotated and then locked and fixed, the position of the horn 1 can be conveniently adjusted in a rotating mode;

be equipped with tang 7 through the middle section lower surface of loudspeaker 1, the electric wire extends outside tang 7 in loudspeaker 1, covers rubber layer 70 in tang 7, and on the rubber layer 70 that the electric wire surface was hugged closely, the sealing performance after the electric wire extended tang 7 improves, because the electric wire extends from loudspeaker 1 lower extreme, forms the fracture through tang 7, hugs closely through rubber layer 70 and seals, is difficult for intaking.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a polyphonic siren, includes loudspeaker (1), bottom plate (2), U-shaped frame (3), its characterized in that: the outer surface of the two sides of the horn (1) is provided with a round shaft (4), the outer surface of the U-shaped frame (3) is provided with an opening (5), the round shaft (4) is clamped in the opening (5) of the U-shaped frame (3), the outer surface of the round shaft (4) is connected with a threaded sleeve (6) through threads, the upper surface of the bottom plate (2) is provided with a boss (20), the U-shaped frame (3) is fixedly connected to the upper surface of the boss (20) through a bolt (21), the lower surface of the middle section of the horn (1) is provided with a convex opening (7), and an electric wire in the horn (1) extends out of the convex opening (7).

2. A polyphonic alarm as claimed in claim 1, wherein: the rubber layer (70) is covered in the convex opening (7), and the outer surface of the wire is tightly attached to the rubber layer (70).

3. A polyphonic alarm as claimed in claim 1, wherein: and a circle of outer surface of the threaded sleeve (6) is uniformly provided with a groove (60).

4. A polyphonic alarm as claimed in claim 1, wherein: and the two sides of the outer surface of the upper end bolt head of the bolt (21) are fixedly connected with torsion blocks (210).

5. A polyphonic alarm as claimed in claim 1, wherein: four corners of the outer end surface of the bottom plate (2) are provided with mounting holes (200).