CN215220248U

CN215220248U - Basin-shaped electric horn

Info

Publication number: CN215220248U
Application number: CN202121224370.5U
Authority: CN
Inventors: 高之虎; 汪凯
Original assignee: Zhejiang Gujiu Auto Electrical Appliance Co ltd
Current assignee: Zhejiang Gujiu Auto Electrical Appliance Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-17
Anticipated expiration: 2031-06-02

Abstract

A basin-shaped electric horn comprises a chassis, a diaphragm, a static iron core, a movable iron core, a soundboard and a contact assembly; the static iron core is fixedly arranged on the upper side of the chassis, and the lower side of the chassis is fixedly provided with a vibration-isolating piece and an inserting piece; the static iron core is sleeved with a coil rack on the upper side of the chassis, a coil is wound and fixed on the coil rack, a capacitor clamp is arranged on the coil rack, and an arc suppression capacitor is fixed in the capacitor clamp; a cover is fixedly arranged on the upper side of the chassis, and the diaphragm is fixedly arranged between the chassis and the cover; the movable iron core is arranged at the geometric center of the diaphragm and corresponds to the static iron core, and the upper end of the diaphragm of the movable iron core is sleeved with the soundboard; the contact assembly is arranged in the chassis and is abutted against the movable iron core, and two ends of the contact assembly are connected with the coil and the inserting piece through electric wires to form a circuit; the utility model has the advantages of simple structure, reasonable design, small overall size, soundness and loud sound.

Description

Basin-shaped electric horn

Technical Field

The utility model relates to a loudspeaker, in particular to basin shape klaxon.

Background

The automobile is provided with a horn for warning pedestrians and other vehicles so as to draw attention and ensure driving safety. The horn is divided into two types, namely an air-separating horn and an electric horn according to different sounding power, and is divided into three types, namely a spiral type, a cylindrical type and a basin type according to the appearance; the basin-shaped electric horn is widely applied to a cart and a trolley due to lower cost, and is more widely applied to the cart due to the noisy use environment of the cart and the relatively muddy sounding of the basin-shaped horn with larger outer diameter; however, the basin-shaped electric horn has the disadvantages of large outer diameter, large overall size, large overall weight and the like, and is not favorable for installation and weight reduction of vehicles.

Disclosure of Invention

The utility model aims to solve the defects of the prior art, the utility model provides a basin-shaped electric horn with simple structure, reasonable design, small overall size and loud sound.

The utility model provides a technical scheme that its technical problem adopted is: a basin-shaped electric horn comprises a chassis, a diaphragm, a static iron core, a movable iron core, a soundboard and a contact assembly; the static iron core is fixedly arranged on the upper side of the chassis, and the lower side of the chassis is fixedly provided with a vibration-isolating piece and an inserting piece; the static iron core is sleeved with a coil rack on the upper side of the chassis, a coil is wound and fixed on the coil rack, a capacitor clamp is arranged on the coil rack, and an arc suppression capacitor is fixed in the capacitor clamp; a cover is fixedly arranged on the upper side of the chassis, and the diaphragm is fixedly arranged between the chassis and the cover; the movable iron core is arranged at the geometric center of the diaphragm and corresponds to the static iron core, and the upper end of the diaphragm of the movable iron core is sleeved with the soundboard; the contact assembly is arranged in the chassis and is abutted against the movable iron core, and two ends of the contact assembly are connected with the coil and the inserting piece through electric wires to form a circuit.

Preferably, the geometric center of the chassis is provided with a mounting hole, the lower end of the static iron core passes through the mounting hole and extends to the lower side of the chassis, the vibration-proof sheet is sleeved on the lower side of the chassis and opposite to the mounting hole, and the lower end of the static iron core and the lower end orifice of the mounting hole of the chassis are fixedly riveted with the vibration-proof sheet through an outward-turning structure.

Preferably, a positioning groove is formed in the upper end orifice of the mounting hole, a positioning ring clamped in the positioning groove is arranged at the upper end orifice of the static iron core relative to the mounting hole, and a first gasket is further arranged between the vibration isolation piece and the chassis.

Preferably, the chassis is provided with an insert seat, the insert is arranged at the lower end of the insert seat, a corrugated gasket is fixed on the insert, and the insert seat, the insert and the coil rack are fixedly connected through a first rivet.

Preferably, the geometric center of the cover cap is of a hollow structure, and a plurality of drain holes are uniformly formed in the cover cap along the circumferential direction of the cover cap.

Preferably, the diaphragm adopts a corrugated structure, and paper gaskets are arranged on the upper side and the lower side of the diaphragm.

Preferably, the lower side of the movable iron core is provided with a breaking contact step, the outer ring of the top of the movable iron core is provided with a rivet, and the movable iron core, the breaking contact step and the rivet are integrally processed and formed.

Preferably, the sound returning plate is of a corrugated structure, and the diaphragm and the sound returning plate are fixedly connected with the rivet head through the movable iron core.

Preferably, the contact assembly is abutted against the contact breaking step of the movable iron core.

The utility model arranges a capacitor clamp on the coil frame to fix the arc-extinguishing capacitor, thus reducing the installation of parts and reducing the overall size of the loudspeaker; the lower end of the static iron core and the lower end orifice of the mounting hole of the chassis are riveted and fixed with the vibration-proof sheet by adopting an outward-turning structure, so that the mounting strength of the static iron core and the vibration-proof sheet is ensured on the premise of simplifying the mounting structure, and the influence of the vibration-proof sheet on the static iron core is avoided; the diaphragm and the echo plate are directly and fixedly connected with the rivet through the movable iron core, so that the direct connection strength of the diaphragm, the echo plate and the movable iron core is improved; the fixed sound returning plate and the diaphragm are both in a corrugated structure, so that the horn sound is improved; an anti-rotation corrugated gasket is fixed on the inserting piece, so that the reliability of electric conduction is improved; a plurality of drain holes are uniformly formed in the cover along the circumferential direction of the cover, so that water accumulation of the loudspeaker is avoided; the utility model has the advantages of simple structure, reasonable design, small overall size, soundness and loud sound.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

fig. 4 is a top view of the cover of the present invention.

In the figure: 1. a chassis; 2. a membrane; 3. a stationary iron core; 4. a movable iron core; 5. a sound returning plate; 6. a contact assembly; 7. a vibration damping sheet; 8. inserting sheets; 9. a bobbin; 10. a coil; 11. a capacitor clamp; 12. an arc extinction capacitor; 13. a cover; 14. mounting holes; 15. positioning a groove; 16. a positioning ring; 17. a first gasket; 18. a wafer inserting seat; 19. a corrugated gasket; 20. a first rivet; 21. a drain hole; 22. a paper washer; 23. breaking the contact step; 24. and (6) riveting the head.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific embodiments and with reference to the accompanying drawings.

Example (b):

the basin-shaped electric horn shown in fig. 1 to 4 comprises a chassis 1, a diaphragm 2, a static iron core 3, a movable iron core 4, a soundboard 5 and a contact assembly 6; the static iron core 3 is fixedly arranged on the upper side of the chassis 1, the lower side of the chassis 1 is fixedly provided with a vibration isolation sheet 7, the geometric center position of the chassis 1 is provided with a mounting hole 14, the lower end of the static iron core 3 penetrates through the mounting hole 14 and extends to the lower side of the chassis 1, the vibration isolation sheet 7 is sleeved on the lower side of the chassis 1, which is opposite to the mounting hole 14, the lower end of the static iron core 3 and the lower end orifice of the mounting hole 14 of the chassis 1 are riveted and fixed with the vibration isolation sheet 7 by adopting an everting structure, the upper end orifice of the mounting hole 14 is provided with a positioning groove 15, the upper end orifice of the static iron core 3, which is opposite to the mounting hole 14, is provided with a positioning ring 16 clamped in the positioning groove 15, a first gasket 17 is further arranged between the vibration isolation sheet 7 and the chassis 1, the chassis 1 is provided with an insert seat 18, the insert 8 is arranged at the lower end of the insert seat 18, and a corrugated gasket 19 is fixed on the insert 8, the insert seat 18, the insert 8 and the coil rack 9 are fixedly connected through a first rivet 20; the static iron core 3 is sleeved with a coil rack 9 on the upper side of the chassis 1, a coil 10 is wound and fixed on the coil rack 9, a capacitor clamp 11 is arranged on the coil rack 9, and an arc suppression capacitor 12 is fixed in the capacitor clamp 11; a cover 13 is fixedly arranged on the upper side of the chassis 1, the geometric center of the cover 13 is in a hollow structure, a plurality of drain holes 21 are uniformly formed in the cover 13 along the circumferential direction of the cover, the diaphragm 2 is fixedly arranged between the chassis 1 and the cover 13, the diaphragm 2 is in a corrugated structure, and paper gaskets 22 are arranged on the upper side and the lower side of the diaphragm 2; the movable iron core 4 is arranged at the geometric center of the diaphragm 2 and corresponds to the static iron core 3, a broken contact step 23 is arranged on the lower side of the movable iron core 4, a rivet 24 is arranged on the outer ring of the top of the movable iron core 4, the broken contact step 23 and the rivet 24 are integrally processed and formed, a soundboard 5 is sleeved on the upper end of the diaphragm 2 of the movable iron core 4, the soundboard 5 is of a corrugated structure, and the diaphragm 2 and the soundboard 5 are fixedly connected with the rivet 24 through the movable iron core 4; the contact assembly 6 is arranged in the chassis 1, the contact assembly 6 is abutted to the contact breaking step 23 of the movable iron core 4, and two ends of the contact assembly 6 are connected with the coil 10 and the inserting piece 8 through electric wires to form a circuit.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.

Claims

1. The utility model provides a basin shape klaxon, includes chassis (1), diaphragm (2), quiet iron core (3), moves iron core (4), echo board (5), contact subassembly (6), its characterized in that: the static iron core (3) is fixedly arranged on the upper side of the chassis (1), and the lower side of the chassis (1) is fixedly provided with a vibration-avoiding piece (7) and an inserting piece (8); the static iron core (3) is sleeved with a coil rack (9) on the upper side of the chassis (1), a coil (10) is wound and fixed on the coil rack (9), a capacitor clamp (11) is arranged on the coil rack (9), and an arc suppression capacitor (12) is fixed in the capacitor clamp (11); a cover (13) is fixedly arranged on the upper side of the chassis (1), and the diaphragm (2) is fixedly arranged between the chassis (1) and the cover (13); the movable iron core (4) is arranged at the geometric center of the diaphragm (2) and corresponds to the static iron core (3), and the upper end of the diaphragm (2) of the movable iron core (4) is sleeved with a soundboard (5); the contact assembly (6) is arranged in the chassis (1) and is abutted to the movable iron core (4), and two ends of the contact assembly (6) are connected with the coil (10) and the inserting piece (8) through electric wires to form a circuit.

2. The basin-shaped electric horn according to claim 1, wherein: the utility model discloses a vibration isolation device, including chassis (1), vibration isolation piece (7), mounting hole (14) are located to the lower extreme of chassis (1), the geometric centre position of chassis (1) is equipped with mounting hole (14), the lower extreme of quiet iron core (3) passes mounting hole (14) and extends to chassis (1) downside, the downside that chassis (1) was located for mounting hole (14) to vibration isolation piece (7) cover, the lower extreme drill way of the mounting hole (14) of the lower extreme of quiet iron core (3), chassis (1) all adopts the structure of turning up and vibration isolation piece (7) riveting fixation.

3. The basin-shaped electric horn according to claim 2, wherein: the upper end drill way department of mounting hole (14) is equipped with constant head tank (15), quiet iron core (3) are equipped with holding ring (16) of joint in constant head tank (15) for the upper end drill way department of mounting hole (14), still be equipped with first packing ring (17) between piece (7) and chassis (1) keep away vibration.

4. The basin-shaped electric horn according to claim 1, wherein: be equipped with inserted sheet seat (18) on chassis (1), inserted sheet (8) set up in inserted sheet seat (18) lower extreme, be fixed with ripple gasket (19) on inserted sheet (8), inserted sheet seat (18), inserted sheet (8) and coil former (9) are through first rivet (20) fixed connection.

5. The basin-shaped electric horn according to claim 1, wherein: the geometric center of the cover cap (13) is of a hollow structure, and a plurality of drain holes (21) are uniformly formed in the cover cap (13) along the circumferential direction of the cover cap.

6. The basin-shaped electric horn according to claim 1, wherein: the diaphragm (2) adopts a corrugated structure, and paper gaskets (22) are arranged on the upper side and the lower side of the diaphragm (2).

7. The basin-shaped electric horn according to claim 1, wherein: move the downside of iron core (4) and be equipped with absolutely and touch step (23), the top outer lane of moving iron core (4) is equipped with die (24), move iron core (4), absolutely touch step (23), die (24) integrated into one piece.

8. The basin-shaped electric horn according to claim 7, wherein: the sound returning plate (5) is of a corrugated structure, and the diaphragm (2) and the sound returning plate (5) are fixedly connected with the rivet head (24) through the movable iron core (4).

9. The basin-shaped electric horn according to claim 7, wherein: the contact assembly (6) is abutted against the contact breaking step (23) of the movable iron core (4).