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Back-up buzzer assembly

An alarm and assembly technology, which is applied to vehicle components, sound signal devices, bases/shells, etc., can solve problems such as electronic failure, small contact area between connectors and shells, degumming and leakage, etc.

Inactive Publication Date: 2016-05-11
SHIYAN GUANGHAI IND & TRADE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The structure is prone to degumming and leakage due to environmental temperature changes and vibrations during use, resulting in early failure
Because the connector adopts the AMP standard connector, the contact area between the connector and the housing is small, and the power pin inside it is plug-in type, so that dust and water vapor can easily pass between the connector and the housing during use. , The gap of the power pin enters the shell and causes electronic failure

Method used

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Examples

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Effect test

Embodiment Construction

[0020] The present invention as figure 1 , 2 , 3, 4 shown.

[0021] The backup alarm assembly includes a shell 1, the tail of the shell 1 is provided with a socket, and a connector 2 is plugged into the socket, and a snap-in socket 3 is formed between the connector 2 and the socket, wherein The power pin 4 of the connector 2 is an embedded or injection-molded overall structure; the connector 2 is provided with a fixing seat 5 through a snap-in button 3 in the housing 1, and a circuit is arranged on the fixing seat 5 The control board 6 uses the fastener 12 to make the connector 2, the housing 1, and the fixing seat 5 into a whole; the power pin 4 is connected to the circuit control board 6 through the power line, and finally connected to the buzzer 7, which is sealed by sealing Circle 9 is also inlaid with outer cover 8.

[0022] The connector 2 is provided with a sealant or a sealing ring 10 on the end face of the socket.

[0023] The fixing base 5 is a "U"-shaped slot, a...

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PUM

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Abstract

The invention relates to a back-up buzzer assembly; a connector is plugged in a plug port of a housing; the connector and the plug port are plugged in a snap fastener mode; a power plug pin of the connector is an embedded or injection molding integrated structure; the connector is plugged with a fixed seat through a snap fastener in the housing; the fixed seat is provided with a circuit control board, and fasteners can combine the connector, the housing with the fixed seat; the power plug pin is connected with the circuit control board through a power line, and connected with a buzzer; a shield is embedded through a seal ring. The connector is plugged with the plug port through the snap fastener, and the power plug pin of the connector is the embedded or injection molding structure, thus forming a first defense line; the connector is plugged with the fixed seat through the snap fastener in the housing, so a second defense line is formed to provide dustproof and waterproof effects; the two defense lines can generate a protection level as IP6K7, which is higher than same type products.

Description

technical field [0001] The invention relates to electrical parts in auto parts, in particular to a backup alarm assembly. Background technique [0002] The reversing alarm is a safety part of the car, and its working conditions are relatively harsh. In order to ensure its alarm function, the alarm is required to have the functions of waterproof, fogproof, dustproof and anti-vibration. [0003] At present, commercial vehicle reversing alarms mostly adopt the following structure: the product is composed of six parts; the circuit board with pins is connected and fixed with the external connector in the housing through the disc-type fixing seat with fasteners, and the external connector Glue is used to seal with the shell, pins and connectors; after that, glue is applied to the outside of the acoustic chamber and put into the shell, and the gland is put into the cover and pressed by the shell flange to form a car reversing alarm assembly. [0004] When the structure is in use, ...

Claims

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Application Information

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IPC IPC(8): B60Q5/00H01R13/52
Inventor 聂新家聂磊
Owner SHIYAN GUANGHAI IND & TRADE CO LTD
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