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Flange on liquid tank and manufacturing method of flange

A manufacturing method and flange technology, applied in the field of flanges, can solve problems such as poor sealing and poor contact, and achieve the effects of enhancing sealing performance, simplifying circuit complexity, and enhancing circuit connection reliability.

Active Publication Date: 2015-04-29
UNITED AUTOMOTIVE ELECTRONICS SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For the flange on the common liquid box, the electrical interface is generally formed by embedding the metal pin PIN in the plastic flange body by injection molding. Due to the limitation of the injection molding process, the metal pin PIN of the electrical interface and the plastic flange body There may be poor sealing between
In addition, the metal pin PIN of the electrical interface and the peripheral electrical equipment need to be connected through a wire harness, and the plug connection between the wire harness and the flange, and the wire harness and the electrical equipment may also have the risk of poor contact.

Method used

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  • Flange on liquid tank and manufacturing method of flange
  • Flange on liquid tank and manufacturing method of flange
  • Flange on liquid tank and manufacturing method of flange

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Flanges on liquid tanks, such as figure 1 , figure 2 , image 3 As shown, including plastic flange body 1, metal pin 2, wiring harness 3, room temperature hardening glue 4;

[0035] The metal pin 2 is fixed on the plastic flange body 1 by injection molding, and the two ends of the metal pin 2 are respectively on the inner and outer sides of the plastic flange body 1;

[0036] A groove 11 is formed around the metal pin 2 outside the plastic flange body 1;

[0037] The metal pins 2 on the outside of the plastic flange body 1 are welded together with the wires of the wiring harness 3 respectively;

[0038] The room temperature hardening glue 4 is filled in the groove 11 around the metal pin 2 and covers the metal pin 2 and its connection with the wires of the wiring harness 3 .

[0039] In the flange on the liquid box of Embodiment 1, the metal pins and the plastic flange body are combined together through injection molding, but the metal pin area is concave in the in...

Embodiment 2

[0041] Based on the flange on the liquid tank of Embodiment 1, the plastic flange body 1 between the metal pins 2 has bumps 12 to enhance the insulation between the metal pins 2 and facilitate each The metal pins 2 are welded with the wires of the wiring harness 3 respectively.

[0042] Each metal pin 2 on the outside of the plastic flange body is provided with a round hole 21, and each wire of the wiring harness 3 passes through the round hole 21 of each metal pin 2 respectively, and is welded together with each metal pin 2 respectively.

[0043] The groove 11 has a rectangular parallelepiped at the bottom and a trapezoidal platform with a large top and a small bottom, so that while ensuring the connection strength between the metal pin 2 and the plastic flange body 1, the room temperature hardening glue is the same as the plastic method. The flange body has a larger bonding surface to ensure a good seal between the metal pins of the electrical interface and the plastic flang...

Embodiment 3

[0048] A method for manufacturing a flange on a liquid box body, comprising the following steps:

[0049] 1. The metal pin 2 and the plastic flange body 1 are combined together through the injection molding process. The two ends of the metal pin 2 are respectively on the inside and outside of the plastic flange body 1. There are grooves 11, such as figure 1 shown;

[0050] 2. Weld the metal pins 2 on the outside of the plastic flange body 1 with the wires of the wiring harness 3 respectively, as figure 2 shown;

[0051] 3. Fill the groove 11 around the metal pin 2 with normal temperature hardening glue 4, and the normal temperature hardening glue 4 covers the metal pin 2 and its joint with the wire harness 3, such as image 3 shown.

[0052]In the manufacturing method of the flange on the liquid box of the third embodiment, the metal pin and the plastic flange body are combined through the injection molding process, but the injection molding of the metal pin area is conca...

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PUM

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Abstract

The invention discloses a flange on a liquid tank. The flange comprises a plastic flange body, metal pins, a harness and normal-temperature hardening adhesive. The metal pins are fixed on the plastic flange body by injection molding, two ends of the metal pins are arrange on the inner and outer sides of the plastic flange body respectively, and grooves are formed around the metal pins outside the plastic flange body; the metal pins arranged on the outer side of the plastic flange body are welded with leads of the harness. The normal-temperature hardening adhesive is filled in the grooves around the metal pins and covers joints of the leads of the harness. The invention further discloses a manufacturing method of the flange on the liquid tank. By the flange on the liquid tank and the manufacturing method of the flange, sealing performance between the metal pins of electrical interface and the plastic flange body can be enhanced, and reliability in circuit connection is improved.

Description

technical field [0001] The invention relates to a flange, in particular to a flange on a liquid tank and a manufacturing method thereof. Background technique [0002] Flanges on liquid tanks (such as fuel tanks, water tanks, etc.) generally have two functions: sealing and connecting circuits. [0003] The oil pump bracket flange is a typical flange on the liquid tank. The role of the automobile oil pump bracket is to supply the fuel in the fuel tank to the automobile engine. The oil pump bracket flange is mainly used to assemble and fix the oil pump bracket to the fuel tank. , the flange usually includes a flange body, an oil return pipe interface, an oil outlet pipe interface and an electrical interface, and the oil return pipe interface, the oil outlet pipe interface and the electrical interface respectively pass through respective connection holes and are fixed on the flange body. In addition, the respective two ends respectively protrude from the upper and lower sides o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M37/00
Inventor 郜业猛马常霞仲栋华贺朝君
Owner UNITED AUTOMOTIVE ELECTRONICS SYST