Plastic structure for protecting wire harness on temperature and pressure sensor assembly

By designing anti-breakage winding buckles and wire grooves in the plastic structure of the temperature and pressure sensor assembly, the problem of wire harness breakage due to stress during production is solved, thereby improving production stability and reducing the defect rate.

CN223613597UActive Publication Date: 2025-11-28CIXI XINSHI ELECTRONICS CO LTD
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Patent Information

Application Number
CN202423110280.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-28
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The wiring harness of the existing gas meter temperature and pressure sensor assembly is prone to being pulled out of the welding hole due to force during the production process, resulting in breakage and assembly failure.

Method used

Design a plastic structure for a temperature and pressure sensor assembly, including a breakage-resistant wire harness and a wire groove. The wire harness is fixed by the wire harness to prevent the wire harness from being stressed at the welding position and to improve the stability during the production process.

Benefits of technology

This effectively prevents breakage at the wire harness welding points, reduces the defect rate, and improves the stability of the production process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a plastic structure for protecting a wire harness on a temperature and pressure sensor assembly, which comprises a shell, a PCB (printed circuit board) is arranged in the shell, the wire harness is welded at one end of the PCB, an anti-breaking winding buckle is arranged on the shell corresponding to the output end of the wire harness, and the wire harness is conveniently led out after being wound into the anti-breaking winding buckle through the anti-breaking winding buckle. The stress position of the subsequent wire harness in the production circulation process is at the anti-breaking winding buckle, so that the stability of the wire harness after stress in the production process can be greatly improved, the welding position of the PCB is not stressed, the breakage of the welding position of the wire harness is avoided, and the reject ratio is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to temperature and pressure sensor technical field especially relates to a kind of plastic structure of protecting wiring harness on temperature and pressure sensor assembly. BACKGROUND

[0002] The wiring harness of the temperature and pressure sensor assembly of the existing gas meter is welded to the PCB board, and when connected, the wiring harness is directly led out from the sensor assembly plastic shell, then the sensor is installed on the valve, and then the temperature and pressure sensor and the valve are integrally installed into the gas meter, and during the multiple production processes, the wiring harness is pulled out from the welding hole after being stressed, so that the latter is broken at the root, causing the temperature and pressure assembly to fail. SUMMARY

[0003] The utility model aims at the shortcomings of prior art, provides a kind of plastic structure of protecting wiring harness on temperature and pressure sensor assembly, which can greatly improve the stability after being stressed in production process, avoid the breakage of wiring harness welding place, thereby reduce the defective rate.

[0004] To achieve the purpose, the utility model adopts the technical scheme that:

[0005] A kind of plastic structure of protecting wiring harness on temperature and pressure sensor assembly, including shell, the shell is equipped with PCB board, the PCB board one end is welded with wiring harness, the shell is equipped with anti-breakage wire buckle corresponding wiring harness output end.

[0006] As further optimization to the above technical scheme: the shell is equipped with wire slot corresponding one end of wiring harness, the anti-breakage wire buckle includes the plastic buckle body with one end and the shell elastic connection, and the other end of the plastic buckle body is equipped with buckle tooth.

[0007] As further optimization to the above technical scheme: the shell includes base and upper shell, the anti-breakage wire buckle and wire slot are all arranged at one end of base.

[0008] As further optimization to the above technical scheme: the PCB board is connected with sensor, the upper shell is equipped with air hole in middle part, the shell is equipped with upper connecting sleeve connected with base in two diagonal positions, and the upper shell is equipped with arc-shaped gap corresponding one end of anti-breakage wire buckle.

[0009] As further optimization to the above technical scheme: the base is equipped with installation cavity for installing the PCB board, the installation cavity is equipped with sleeve joint column matched with the upper connecting sleeve in two diagonal positions, and the base outer side is equipped with lower connecting sleeve for facilitating connection with valve or gas meter.

[0010] Compared with the prior art, this utility model includes a housing, in which a PCB board is provided. A wire harness is soldered to one end of the PCB board. The housing is provided with an anti-breakage winding buckle corresponding to the output end of the wire harness. The anti-breakage winding buckle facilitates the wire harness to be wound into the anti-breakage winding buckle and then led out. During the subsequent production process, the force position of the wire harness is at the anti-breakage winding buckle, which can greatly improve the stability after being subjected to force during the production process. In this way, the soldering position on the PCB board will not be subjected to force, avoiding breakage at the soldering point of the wire harness, thereby reducing the defect rate. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] Figure 2 This is an exploded structural diagram of the present invention. Detailed Implementation

[0013] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0014] like Figure 1 , 2 As shown, a plastic structure for protecting the wire harness 3 on a temperature and pressure sensor assembly includes a housing 1. A PCB board 2 is provided inside the housing 1. The wire harness 3 is soldered to one end of the PCB board 2 (printed circuit board). The housing 1 is provided with an anti-breakage winding buckle 4 corresponding to the output end of the wire harness 3. The anti-breakage winding buckle 4 facilitates the wire harness 3 to be wound into the anti-breakage winding buckle 4 and then led out. Subsequently, the stress position of the wire harness 3 during the production process is at the anti-breakage winding buckle 4, which can greatly improve the stability after being stressed during the production process. In this way, the soldering position at the PCB board 2 will not be stressed, avoiding breakage at the soldering point of the wire harness 3, thereby reducing the defect rate.

[0015] In this embodiment, the housing 1 has a wire groove 5 at one end corresponding to the wire harness 3. The anti-breakage winding buckle 4 includes a plastic buckle body 41 that is elastically connected to the housing 1 at one end, and a buckle tooth 42 at the other end of the plastic buckle body 41. The housing 1 includes a base 12 and an upper shell 11. The anti-breakage winding buckle 4 and the wire groove 5 are both located at one end of the base 12. In use, the wire harness 3 can be directly passed through the wire hole formed between the plastic buckle body 41 and the base 12, or the wire harness 3 can be placed in the wire hole by sliding and pushing the buckle tooth 42 through the gap formed between the buckle tooth 42 and the base 12. After the plastic buckle body 41 and the buckle tooth 42 elastically return to their original positions, the wire harness 3 is restricted in the wire hole. By soldering one end of the wire harness 3 to the PCB board 2 and placing the other end in the wire groove 5, and bending and fixing the middle part along the wire groove 5 and the plastic buckle body 41, the soldering position at the PCB board 2 will not be subjected to force, effectively preventing the breakage of the wire harness 3 at the soldering position.

[0016] In the embodiment, the PCB 2 is connected with a sensor, the upper shell 11 is provided with a ventilation hole 13 in the middle, the shell 1 is provided with an upper connecting sleeve 14 connected with the base 12 at two opposite positions, the upper shell 11 is provided with an arc-shaped notch 15 corresponding to one end of the anti-breaking wire winding buckle 4, the base 12 is provided with an installation cavity for installing the PCB 2, the installation cavity is provided with a sleeve joint column 16 matched with the upper connecting sleeve 14 at two opposite positions, the base 12 is provided with a lower connecting sleeve 17 outside for connecting with a valve or a gas meter, the upper shell 11 can also be installed in the installation cavity, and the arc-shaped notch 15 facilitates the welding of the wire harness 3 and the PCB 2.

[0017] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall fall within the protection scope of the present application.

Claims

1. A plastic structure for protecting the wiring harness on a temperature and pressure sensor assembly, characterized in that: Including the shell, the shell is equipped with PCB board in, one end of the PCB board is welded with wire harness, the shell is equipped with anti-breaking winding buckle corresponding wire harness output end; The shell includes a base and an upper shell, the anti-breaking winding buckle and the wire slot are both arranged at one end of the base; The PCB board is connected with a sensor, the upper shell is provided with a ventilation hole in the middle, two opposite corners of the shell are provided with upper connecting sleeves connected with the base, and one end of the upper shell corresponding to the anti-breaking winding buckle is provided with an arc-shaped notch.

2. The plastic structure for protecting wiring harness on a temperature and pressure sensor assembly of claim 1, wherein: The shell is provided with a wire slot corresponding to one end of the wire harness, the anti-breaking winding buckle comprises a plastic buckle body elastically connected with the shell at one end, and the other end of the plastic buckle body is provided with a buckle tooth.

3. The plastic structure for protecting wiring harness on a temperature and pressure sensor assembly of claim 1, wherein: The base is provided with a mounting cavity for mounting the PCB board, two opposite corners of the mounting cavity are provided with sleeve connection columns matched with the upper connecting sleeves, and the outer side of the base is provided with a lower connecting sleeve convenient for connecting with a valve or a gas meter.