A plug-in temperature sensor

By using a quick-lock assembly and a locking thread assembly for the pluggable temperature sensor, the problems of cumbersome disassembly and unstable connection of thermistor sensors are solved, enabling quick disassembly and secure installation, thus improving the convenience and safety of the equipment.

CN224382652UActive Publication Date: 2026-06-19GUANGDONG HAOSHUO ELECTRONICS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG HAOSHUO ELECTRONICS CO LTD
Filing Date
2025-08-25
Publication Date
2026-06-19

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Abstract

This utility model relates to the field of pluggable temperature sensors and discloses a pluggable temperature sensor, including a locking thread assembly. A fixing head is provided at one end of the base, and a probe is slidably connected to the top of the fixing head. A quick-locking assembly and a locking thread assembly are provided between the base and the fixing head. The locking thread assembly has a locking cavity inside, a contact piece is fixedly connected to one end of the locking cavity, a positioning post is slidably connected to one end of the contact piece, and an asymmetric groove is fixedly connected to the bottom end of the positioning post. A quick-locking assembly is rotatably connected to one end of the asymmetric groove, and a snap-fit ​​base is fixedly connected inside the quick-locking assembly. In this utility model, the snap-fit ​​base connected to the anti-slip handle rotates, the positioning post drives the asymmetric groove, and the rotation of the snap-fit ​​base causes the locking assembly to be spirally fixed inside the locking thread assembly, thus fixing the snap-fit ​​base inside the asymmetric groove, improving the convenience and practicality of the device during use.
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Description

Technical Field

[0001] This utility model relates to the field of pluggable temperature sensors, and more particularly to a pluggable temperature sensor. Background Technology

[0002] Temperature measurement plays a crucial role in many fields such as industrial production, medical equipment, and smart homes. Accurate temperature data is key to ensuring the normal operation of equipment, stable product quality, and process optimization. Against this backdrop, thermistor sensors have emerged, with temperature-sensing elements that can detect temperature changes and convert them into electrical signals.

[0003] A thermistor sensor is a special type of semiconductor device whose resistance is highly sensitive to changes in temperature. Based on their temperature coefficient, they can be classified into positive temperature coefficient thermistors (PTC) and negative temperature coefficient thermistors (NTC). The resistance of a PTC increases sharply with increasing temperature, while the resistance of an NTC decreases sharply with increasing temperature. Utilizing this characteristic, thermistors can quickly sense minute changes in temperature and are widely used in temperature measurement and control.

[0004] However, thermistor sensors present numerous inconveniences in practical applications. Their installation and disassembly processes are often cumbersome, requiring specialized tools and complex procedures. This not only increases installation difficulty but also significantly complicates subsequent maintenance and replacement, particularly in situations requiring frequent sensor replacements, severely impacting work efficiency. Furthermore, traditional sensor connection methods suffer from unreliability, easily leading to poor contact due to vibration, corrosion, and other factors, thus affecting measurement accuracy. Therefore, a pluggable temperature sensor is proposed to address these issues. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a pluggable temperature sensor, which aims to improve the problem of cumbersome disassembly in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A pluggable temperature sensor includes a base, characterized in that: a fixing head is provided at one end of the base, a probe is slidably connected to the top of the fixing head, and a quick-locking assembly and a locking thread assembly are provided between the base and the fixing head;

[0008] The locking thread assembly has a locking cavity inside. A contact piece is fixedly connected to one end of the locking cavity, and a positioning post is slidably connected to one end of the contact piece. An asymmetrical groove is fixedly connected to the bottom end of the positioning post. A quick-locking assembly is rotatably connected to one end of the asymmetrical groove. A snap-lock base is fixedly connected inside the quick-locking assembly. An anti-slip grip is fixedly connected to the outside of the quick-locking assembly. A protective ring is fixedly connected to the inner wall of the quick-locking assembly. A receiver is fixedly connected inside the protective ring. A tail protective sleeve is fixedly connected to the bottom end of the receiver.

[0009] As a further description of the above technical solution:

[0010] Both sides of the bottom end of the tail protective sleeve are fixedly connected to female buckles, and springs are fixedly connected to the inner wall of the female buckles. Both ends of the springs are fixedly connected to the inside of the female buckles.

[0011] As a further description of the above technical solution:

[0012] One end of the spring is fixedly connected to the outer wall of the tail protective sleeve, and the outer wall of the female buckle is slidably connected to the female buckle.

[0013] As a further description of the above technical solution:

[0014] The outer walls of the sub-buckles are all fixedly connected to the inner wall of the base.

[0015] As a further description of the above technical solution:

[0016] The inner wall of the buckle is fixedly connected to a limiting pin, and the bottom of the limiting pin is fixedly connected to a fixing seat.

[0017] As a further description of the above technical solution:

[0018] The bottom of the fixed card holder is fitted with a fixed seat.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the fixed seat is fixedly connected to the inner wall of the base.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the buckle base connected to the anti-slip handle rotates, and the positioning column structure drives the asymmetric groove. Through the rotation of the buckle base, the locking assembly is screwed and fixed inside the locking thread assembly, thereby fixing the buckle base inside the asymmetric groove. This achieves the effect of quick disassembly of the temperature sensor, solves the problem of thermistor sensors being unable to be disassembled, and improves the convenience and practicality of the equipment.

[0023] 2. In this utility model, the user can push the sub-buckle fixedly connected to the inner wall of the base. The inner wall of the sub-buckle is slidably fixed in the female buckle fixed to the outside of the tail protective sleeve by the limiting pin fixed by the fixed card seat. This achieves the goal of making the base firmly fixed after being inserted and connected to the bottom of the quick-locking assembly. This solves the problem that the thermistor sensor cannot be quickly installed on the base and cannot be quickly and effectively installed and fixed in some temperature measurement scenarios, thus improving the safety and stability of the equipment. Attached Figure Description

[0024] Figure 1 This is a three-dimensional schematic diagram of a pluggable temperature sensor proposed in this utility model;

[0025] Figure 2 This is a schematic diagram of the locking thread assembly of a pluggable temperature sensor proposed in this utility model;

[0026] Figure 3 This is a schematic diagram of the quick-locking assembly of a pluggable temperature sensor proposed in this utility model;

[0027] Figure 4 This is a schematic diagram of the structure of a base for a pluggable temperature sensor proposed in this utility model;

[0028] Figure 5 This is a schematic diagram of the female buckle of a pluggable temperature sensor proposed in this utility model.

[0029] Legend:

[0030] 1. Locking thread assembly; 2. Quick-locking assembly; 3. Fixing head; 4. Probe; 5. Base; 6. Locking inner cavity; 7. Contact piece; 8. Positioning post; 9. Asymmetric groove; 10. Snap-on base; 11. Anti-slip grip; 12. Protective ring; 13. Receiver; 14. Tail protective sleeve; 15. Female snap; 16. Female snap; 17. Fixing base; 18. Spring; 19. Limiting pin; 20. Fixing bracket. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1This utility model provides one embodiment: a pluggable temperature sensor, including a locking thread assembly 1, a quick-locking assembly 2 rotatably connected to the rear end of the locking thread assembly 1, a base 5 slidably connected to one end of the quick-locking assembly 2, a fixing head 3 fixedly connected to the front end of the locking thread assembly 1, and a probe 4 slidably connected to the front end of the fixing head 3. This is a description of the existing structure and will not be elaborated further.

[0033] Reference Figures 1-3 The locking thread assembly 1 has a locking cavity 6 inside. One end of the locking cavity 6 is fixedly connected to a contact piece 7, and the other end of the contact piece 7 is slidably connected to a positioning post 8. The bottom end of the positioning post 8 is rotatably connected to an asymmetric groove 9. One end of the asymmetric groove 9 is rotatably connected to a quick-locking assembly 2. The quick-locking assembly 2 has a snap-fit ​​base 10 fixedly connected inside, and an anti-slip grip 11 fixedly connected to the outside. The quick-locking assembly 2 has a protective ring 12 fixedly connected inside, and a receiver 13 fixedly connected inside the protective ring 12. An external protective sleeve 14 is fixedly connected inside the receiver 13. When the snap-fit ​​base 10 connected to the anti-slip grip 11 rotates, the positioning post 8 drives the asymmetric groove 9. Through the rotation of the snap-fit ​​base 10, the quick-locking assembly 2 is spirally fixed inside the locking thread assembly 1, thereby fixing the snap-fit ​​base 10 inside the asymmetric groove 9, so as to achieve the effect of quick disassembly and portability.

[0034] Reference Figures 4-5 The base 5 has a tail protective sleeve 14 inside. The bottom two ends of the tail protective sleeve 14 are fixedly connected to the female buckle 15. The bottom of the female buckle 15 is fixed with a spring 18. The bottom of the female buckle is slidably connected to the male buckle 16. The inner wall of the male buckle 16 is fixed with a limit pin 19. The bottom of the limit pin 19 is fixed with a fixing seat 20. This solves the problem of not being able to install and fix the device quickly and effectively in some temperature measurement scenarios, and improves the safety and stability of the device.

[0035] Working principle: When using the pluggable temperature sensor, the user first grips the anti-slip handle 11 and pushes the snap-fit ​​base 10, which is fixed inside, into the locking thread assembly 1. After passing through the asymmetric groove 9, the snap-fit ​​base 10 is fixed to the outside of the positioning post 8. After the contact piece 7 at the front end of the positioning post 8 is in contact with the receiver 13 in the quick lock assembly 2, the fixed probe 4 is installed at the front end of the fixing head 3, which achieves the effect of quick disassembly of the temperature sensor. This solves the problem of the thermistor sensor being unable to be disassembled and improves the convenience and practicality of the equipment.

[0036] When using the pluggable temperature sensor, the user can first push the sub-buckle 16 assembly fixed inside the base 5. When the sub-buckle 16 is fixed onto the female buckle 15 outside the tail protective sleeve 14, the fixing bracket 20 at the bottom of the sub-buckle 16 and the limiting pin 19 inside the sub-buckle 15 are engaged in the concave groove on the outer wall of the female buckle 15 by pushing. The other end of the spring 18 fixed on the inner wall of the female buckle 15 is fixed to the outside of the tail protective sleeve 14. This solves the problem that the thermistor sensor cannot be quickly installed on the base 5 and cannot be quickly and effectively installed and fixed in some temperature measurement scenarios, thus improving the safety and stability of the equipment.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A pluggable temperature sensor, comprising a base (5), characterized in that: The base (5) is provided with a fixing head (3) at one end, and a probe (4) is slidably connected to the top of the fixing head (3). A quick-locking assembly (2) and a locking thread assembly (1) are provided between the base (5) and the fixing head (3). The locking thread assembly (1) has a locking inner cavity (6) inside. A contact piece (7) is fixedly connected to one end of the locking inner cavity (6). A positioning post (8) is slidably connected to one end of the contact piece (7). An asymmetric groove (9) is fixedly connected to the bottom end of the positioning post (8). A quick-locking assembly (2) is rotatably connected to one end of the asymmetric groove (9). A snap-lock base (10) is fixedly connected inside the quick-locking assembly (2). An anti-slip grip (11) is fixedly connected to the outside of the quick-locking assembly (2). A protective ring (12) is fixedly connected to the inner wall of the quick-locking assembly (2). A receiver (13) is fixedly connected inside the protective ring (12). A tail protective sleeve (14) is fixedly connected to the bottom end of the receiver (13).

2. The pluggable temperature sensor according to claim 1, characterized in that: Both sides of the bottom end of the tail protective sleeve (14) are fixedly connected to female buckles (15), and springs (18) are fixedly connected to the inner wall of the female buckles (15). Both ends of the springs (18) are fixedly connected inside the female buckles (15).

3. A pluggable temperature sensor according to claim 2, characterized in that: The other end of the spring (18) is fixedly connected to the outer wall of the tail protective sleeve (14), and the outer wall of the female buckle (15) is slidably connected to the female buckle (16).

4. A pluggable temperature sensor according to claim 3, characterized in that: The outer wall of each of the sub-buckles (16) is fixedly connected to the inner wall of the base (5).

5. A pluggable temperature sensor according to claim 4, characterized in that: The inner wall of the sub-button (16) is fixedly connected to a limiting pin (19), and the bottom of the limiting pin (19) is fixedly connected to a fixing seat (20).

6. A pluggable temperature sensor according to claim 5, characterized in that: The bottom of the fixed card holder (20) is fitted with a fixed seat (17).

7. A pluggable temperature sensor according to claim 6, characterized in that: The outer wall of the fixed seat (17) is fixedly connected to the inner wall of the base (5).