一种螺栓式固定温感结构

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By using a bolt-type fixing structure to tightly press the thermistor chip onto the surface of the component being measured, the problems of loosening and compatibility in traditional fixing methods are solved, achieving high-precision temperature detection and convenient installation.

CN224517956UActive Publication Date: 2026-07-17SUZHOU BENNETT ELECTRONICS CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: SUZHOU BENNETT ELECTRONICS CO LTD
Filing Date: 2025-11-18
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

Traditional methods of fixing temperature sensing elements are prone to loosening under high temperature and vibration environments, and are difficult to adapt to small spaces and various sizes of mounting holes, affecting the accuracy and service life of temperature detection.

Method used

It adopts a bolt-type fixing structure, placing the thermal chip inside the bolt, and using sealing plugs and standard threads to achieve tight fixing and waterproofing, adapting to different sizes of mounting holes.

Benefits of technology

This design achieves reliable mechanical fixation of the temperature sensing element, improving the accuracy and lifespan of temperature detection, while also facilitating installation and maintenance.

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Abstract

本实用新型公开了一种螺栓式固定温感结构，包括螺栓头、螺杆段、螺栓尖端和热敏芯片，所述螺栓头的内部开设有插孔，所述插孔上设置有密封塞块；所述螺杆段位于螺栓头的底部，所述螺杆段的内部开设有安装槽；所述螺栓尖端位于螺杆段的底部；所述热敏芯片位于安装槽的内部，所述热敏芯片上的导线穿过密封塞块延伸至螺栓头的外部；本实用新型通过将热敏芯片置于螺栓内部的固定采温方式，其结构轻便，防水效果好，可将温感元件紧密压合在被测部件表面，既解决了传统固定方式易松动、接触不良的问题，又能通过标准螺纹适配不同规格的安装孔，适配性更广。

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Claims

1. A bolt-fixed temperature sensing structure, characterized in that, include: A bolt head (1) has an insertion hole (11) inside, and a sealing plug (12) is provided on the insertion hole (11); The screw section (2) is located at the bottom of the bolt head (1), and the screw section (2) has an installation groove (21) inside; Bolt tip (3), said bolt tip (3) is located at the bottom of the screw section (2); Thermistor chip (4) is located inside the mounting groove (21), and the wires on the thermistor chip (4) extend through the sealing plug (12) to the outside of the bolt head (1).

2. A bolted thermal sensor structure according to claim 1, wherein: The upper part of the sealing plug (12) is a frustum-shaped structure, and the lower part of the sealing plug (12) is a cylindrical structure.

3. A bolting temperature sensing structure according to claim 2, wherein: The insertion hole (11) is composed of two sets of slots, and the upper slot of the insertion hole (11) is inserted into the frustum structure on the sealing plug (12), and the lower half slot of the insertion hole (11) is inserted into the cylindrical structure on the sealing plug (12).

4. A bolting temperature sensing structure according to claim 3, wherein: The top diameter of the sealing plug (12) is larger than the inner diameter of the top groove of the insertion hole (11).

5. The bolting temperature sensing structure according to claim 1, wherein: Multiple sets of mounting blocks (13) are provided at the top edge of the sealing plug (12).

6. A bolting temperature sensing structure according to claim 4, wherein: The outer side of the sealing plug (12) is provided with a waterproof coating.