CN217822070U

CN217822070U - High-reliability electric horn

Info

Publication number: CN217822070U
Application number: CN202221539657.1U
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: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-11-15
Anticipated expiration: 2032-06-20

Abstract

The high-reliability electric horn comprises a shell, wherein a static iron core and a coil frame assembly are arranged in the shell, a coil is wound outside the coil frame assembly, a movable contact arm, an insulating sheet and a static contact arm are sequentially arranged on the coil frame assembly, the far end of the static contact arm is fixedly connected with the shell, a static contact is riveted on the static contact arm, a movable contact matched with the static contact is riveted on the movable contact arm and the insulating sheet, an arc extinction capacitor is clamped on the coil frame assembly, two capacitor pins respectively connected with the movable contact arm and the static contact arm are connected on the arc extinction capacitor, a diaphragm is arranged on the upper side of the shell, a movable iron core matched with the static iron core is embedded on the diaphragm, and a sound returning plate is arranged at one end of the static iron core, which is positioned outside the diaphragm; the utility model has the advantages of simple structure, reasonable design, simple and continuous production process, low production cost, high reliability and the like.

Description

High-reliability electric horn

Technical Field

The utility model relates to an electric horn, in particular to a high-reliability electric horn.

Background

The automobile is provided with a horn for warning pedestrians and other vehicles to draw attention and ensure driving safety, and the horn is divided into two types, namely an air horn and an electric horn according to different pronunciation power. The arc-extinguishing capacitor of the electric horn commonly used at present is generally fixed in the electric horn shell by gluing, the movable contact arm and the static contact arm are respectively connected with the movable contact arm and the static contact arm through two wires in a soldering manner, and connecting sheets are required to be added at the movable contact arm and the static contact arm respectively; the mode not only has complex process and high production cost, but also needs glue waiting solidification during production, so that the production is discontinuous.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve prior art's not enough, provide a simple structure, reasonable in design, production technology simple continuous, low in production cost, high reliability klaxon.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a high reliability klaxon, includes the shell, be equipped with quiet iron core in the shell, quiet iron core outside cover is equipped with coil former subassembly, the coil former subassembly includes coil former main part, installation panel, coil former main part cover is located the quiet iron core outside and the outside winding of coil former main part has the coil, the installation panel sets up in coil former main part upper end tip, be equipped with movable contact arm, insulating piece, stationary contact arm on the installation panel in proper order, the distal end and the shell fixed connection of stationary contact arm, the riveting has the stationary contact on the stationary contact arm, the riveting has with stationary contact assorted movable contact on movable contact arm and the insulating piece, be equipped with the electric capacity cassette on the installation panel, the joint has arc extinction electric capacity in the electric capacity cassette, be connected with two electric capacity pins of being connected with movable contact arm, stationary contact arm respectively on the arc extinction electric capacity, the shell upside is equipped with the diaphragm, inlay on the diaphragm be equipped with quiet iron core assorted movable iron core, the one end of quiet iron core is equipped with the soundboard in the diaphragm outside.

Preferably, the lower end of the static iron core penetrates through the shell to extend to the outer side of the shell, and the end is connected with a vibration damping sheet through a locking nut.

Preferably, the inner hole of the coil rack body is provided with three positioning grooves for facilitating winding of coils.

Preferably, wiring grooves have been all seted up to the both sides of installation panel, and two wiring grooves set up respectively on two faces about the installation panel, the installation panel corresponds wiring groove and keeps away from and is equipped with the terminal on the lateral wall of coil former main part's one end port department.

Preferably, the movable contact arm, the insulating sheet and the fixed contact arm are riveted on the installation panel through riveting columns, the lower end parts of the riveting columns penetrate through the installation panel and the shell to extend to the outer side, and the end parts of the riveting columns are riveted on the inserting sheets and the inserting sheet seats.

Preferably, the far end of the static contact arm is fixedly connected with the shell through an adjusting screw and a rubber spring.

Preferably, one capacitor pin of the arc extinction capacitor is connected with the fixed contact arm after being bent transversely, a pin pressing sheet connected with the capacitor pin is arranged on the fixed contact arm, the other capacitor pin of the arc extinction capacitor is connected with the movable contact arm after being bent downwards, and the two bent capacitor pins of the arc extinction capacitor are arranged perpendicularly to each other.

Preferably, the mounting panel is provided with pin grooves corresponding to the two capacitor pins, and the bottoms of the pin grooves are provided with tooth-shaped protrusions.

Preferably, the membrane is connected with the outer ring of the shell through a sealing edge.

When a power supply is connected, the coil is electrified to generate electromagnetic suction force to suck the movable iron core, the movable iron core is contacted with the insulating sheet to separate the movable contact from the static contact, the electromagnetic suction force disappears when the coil current is interrupted, the movable iron core returns under the dragging of the diaphragm, the movable contact and the static contact are closed again, and the coil is electrified again; the operation is repeated until the power supply is disconnected, and the collision of the movable iron core and the insulating sheet excites the echo plate connected with the movable iron core to generate resonance, namely loud horn sound.

The utility model discloses a set up the insulating piece between movable contact arm and stationary contact arm, the riveting of one end of insulating piece and movable contact arm through the riveting post, the riveting of the other end of insulating piece and movable contact arm through the movable contact, guaranteed movable contact arm and movable iron core's insulation; the installation panel is provided with a capacitor clamping seat, an arc suppression capacitor can be directly clamped in the capacitor clamping seat during assembly, two capacitor pins of the arc suppression capacitor are respectively connected with the fixed contact arm and the movable contact arm after being transversely bent and downwards bent, pin grooves for the capacitor pins to pass through are formed in the installation panel, tooth-shaped bulges are arranged at the bottoms of the pin grooves, and the tooth-shaped bulges are stressed and deformed when the arc suppression capacitor is in compression joint, so that the arc suppression capacitor and the capacitor pins are more reliably connected; wiring grooves are formed in two sides of the mounting panel, the two wiring grooves are respectively formed in the upper surface and the lower surface of the mounting panel, wiring terminals are arranged on the side wall, corresponding to the wiring grooves, of the mounting panel, and far away from one end port of the coil rack main body, and the wound coil can be used for double-wire products or single-wire products by selecting different wiring grooves and wiring terminals according to the specification of the coil; the utility model has the advantages of simple structure, reasonable design, simple and continuous production process, low production cost, high reliability and the like.

Drawings

FIG. 1 is an overall structure diagram of an embodiment of the present invention;

fig. 2 is an internal top view of an embodiment of the invention;

fig. 3 is a top view of the coil carrier assembly of the present invention;

fig. 4 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 3 in accordance with the present invention;

fig. 5 is a cross-sectional view of B-B of fig. 3 in accordance with the present invention;

fig. 6 is a bottom view of the coil carrier assembly of the present invention.

In the figure: 1. a housing; 11. riveting columns; 12. inserting sheets; 13. a wafer inserting seat; 14. an adjusting screw; 15. a rubber spring; 16. sealing edges; 2. a stationary iron core; 21. locking the nut; 22. a vibration damping sheet; 3. a coil carrier assembly; 31. a bobbin body; 32. installing a panel; 33. a capacitor card holder; 34. positioning a groove; 35. a wiring slot; 36. a binding post; 37. a pin trench; 38. a tooth-shaped bulge; 4. a coil; 5. a movable contact arm; 51. an insulating sheet; 52. a movable contact; 6. a stationary contact arm; 61. a stationary contact; 62. pressing the pins into sheets; 7. an arc extinction capacitor; 71. a capacitor pin; 8. a membrane; 81. a sound returning plate; 9. and a movable iron core.

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):

a high reliability electric horn as shown in fig. 1 to 6, including shell 1, be equipped with quiet iron core 2 in the shell 1, the lower extreme tip of quiet iron core 2 passes shell 1 and extends to the shell 1 outside and the tip is connected with vibration-isolating sheet 22 through

lock nut

21, 2 outside covers of quiet iron core are equipped with coil former subassembly 3.

Coil former subassembly 3 includes coil former main part 31, installation panel 32, coil former main part 31 cover is located the 2 outsides of quiet iron core and the outside winding of coil former main part 31 has coil 4, the hole of coil former main part 31 is equipped with three constant head tank 34 that makes things convenient for the 4 coilings of coil, installation panel 32 sets up in coil former main part 31 upper end tip, wiring groove 35 has all been seted up to installation panel 32's both sides, and two wiring grooves 35 set up respectively on two faces about installation panel 32, installation panel 32 corresponds wiring groove 35 and keeps away from and is equipped with terminal 36 on the lateral wall of coil former main part 31's one end port department.

The installation panel 32 is sequentially provided with a movable contact arm 5, an insulation sheet 51 and a fixed contact arm 6, the movable contact arm 5, the insulation sheet 51 and the fixed contact arm 6 are riveted on the installation panel 32 through a riveting column 11, the lower end part of the riveting column 11 penetrates through the installation panel 32 and the shell 1 to extend to the outer side, and the end parts are riveted on the insertion sheet 12 and the insertion sheet seat 13; adjusting screw 14, rubber spring 15 and shell 1 fixed connection are passed through to the distal end of stationary contact arm 6, the riveting has stationary contact 61 on stationary contact arm 6, the riveting has movable contact 52 with stationary contact 61 assorted on movable contact arm 5 and the insulating piece 51, be equipped with electric capacity cassette 33 on the installation panel 32, arc-extinguishing capacitor 7 has been cup jointed in electric capacity cassette 33, be connected with two electric capacity pins 71 of being connected with movable contact arm 5, stationary contact arm 6 respectively on the arc-extinguishing capacitor 7, shell 1 upside is equipped with diaphragm 8, diaphragm 8 is connected through banding 16 with the outer lane of shell 1, inlay on the diaphragm 8 and be equipped with movable core 9 with stationary core 2 assorted, stationary core 2 is equipped with back 81 soundboards in the one end in the diaphragm 8 outside

Preferably, one capacitor pin 71 of the arc suppression capacitor 7 is bent transversely and then connected with the fixed contact arm 6, the fixed contact arm 6 is provided with a pin pressing piece 62 connected with the capacitor pin 71, the other capacitor pin 71 of the arc suppression capacitor 7 is bent downwards and then connected with the movable contact arm 5, and the two bent capacitor pins 71 of the arc suppression capacitor 7 are arranged vertically; pin grooves 37 are formed in the mounting panel 32 corresponding to the two capacitor pins 71, and tooth-shaped protrusions 38 are formed at the bottoms of the pin grooves 37.

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. A high reliability electric horn, includes shell (1), its characterized in that: the coil frame assembly comprises a coil frame main body (31) and an installation panel (32), wherein the coil frame main body (31) is sleeved on the outer side of the static iron core (2), a coil frame assembly (3) is wound outside the static iron core (2) and the coil frame main body (31) and is provided with a coil (4), the installation panel (32) is arranged at the upper end part of the coil frame main body (31), the installation panel (32) is sequentially provided with a movable contact arm (5), an insulation sheet (51) and a static contact arm (6), the far end of the static contact arm (6) is fixedly connected with the shell (1), the static contact arm (6) is riveted with a static contact (61), the movable contact (52) matched with the static contact (61) is riveted on the movable contact arm (5) and the insulation sheet (51), a capacitor clamping seat (33) is arranged on the installation panel (32), an arc-extinguishing capacitor (7) is clamped in the capacitor clamping seat (33), two arc-extinguishing diaphragms (5) are connected with the movable contact arm (6) and the static contact arm (6), a capacitor clamping seat (8) is arranged on the capacitor clamping seat (7), and a capacitor iron core (8) is arranged on the movable contact arm (9), and one end of the static iron core (2) outside the diaphragm (8) is provided with a sound returning plate (81).

2. The high reliability electrical horn of claim 1, wherein: the lower extreme tip of quiet iron core (2) passes shell (1) and extends to the shell (1) outside and the tip is connected with vibration-isolating piece (22) through lock nut (21).

3. The high reliability electrical horn of claim 1, wherein: the inner hole of the coil rack main body (31) is provided with three positioning grooves (34) which are convenient for the winding of the coil (4).

4. The high reliability electrical horn of claim 1, wherein: wiring groove (35) have all been seted up to the both sides of installation panel (32), and two wiring grooves (35) set up respectively on two faces about installation panel (32), be equipped with on the lateral wall of coil former main part (31) was kept away from in installation panel (32) corresponding wiring groove (35) the one end port department terminal (36).

5. The high reliability electrical horn of claim 1, wherein: the movable contact arm (5), the insulation sheet (51) and the fixed contact arm (6) are riveted on the installation panel (32) through riveting columns (11), and the lower end parts of the riveting columns (11) penetrate through the installation panel (32) and the shell (1) to extend to the outer side and are riveted on the insertion sheet (12) and the insertion sheet seat (13).

6. The high reliability electrical horn of claim 1, wherein: the far end of the static contact arm (6) is fixedly connected with the shell (1) through an adjusting screw (14) and a rubber spring (15).

7. The high reliability electrical horn of claim 1, wherein: one electric capacity pin (71) of arc extinction electric capacity (7) transversely buckle the back and be connected with stationary contact arm (6), be equipped with pin preforming (62) of being connected with electric capacity pin (71) on stationary contact arm (6), another electric capacity pin (71) of arc extinction electric capacity (7) are connected with movable contact arm (5) down after buckling, two electric capacity pins (71) mutually perpendicular settings after buckling of arc extinction electric capacity (7).

8. The high reliability electrical horn of claim 7, wherein: the mounting panel (32) is provided with pin grooves (37) corresponding to the two capacitor pins (71), and the bottoms of the pin grooves (37) are provided with dentate bulges (38).

9. The high reliability electrical horn of claim 1, wherein: the diaphragm (8) is connected with the outer ring of the shell (1) through a sealing edge (16).