Temperature sensor mounting structure

Abstract

This utility model discloses a temperature sensor fixing structure, including: a sealing plug, a sealing ring, and a pin. A connecting pipe is provided on the outer wall of the water outlet pipe. The connecting pipe is a circular pipe with an open top and a bottom end connected to the water outlet pipe. The top end of the temperature sensor is fixed to the bottom end of the sealing plug, and the bottom end of the temperature sensor is the detection end of the temperature sensor. The outer peripheral wall of the sealing ring has a first annular notch and a second annular notch spaced vertically. The first annular notch is located above the second annular notch, and the sealing ring is fitted onto the second annular notch. The sealing plug can be inserted into the top end of the connecting pipe and sealed by the sealing ring and the inner peripheral wall of the connecting pipe. When the sealing plug is inserted into the connecting pipe, the bottom end of the temperature sensor can extend into the water outlet pipe. Two pin holes are provided on the outer wall of the connecting pipe, and the pin can be inserted into the two pin holes. The sealing plug can be axially fixed by the pin and the connecting pipe. The assembly process of this utility model is simple.

Description

Technical Field

[0001] This utility model relates to fasteners, and more particularly to a temperature sensor fastening structure. Background Technology

[0002] Water heaters typically require a temperature sensor at the outlet pipe to monitor the water temperature. However, due to the limited space inside the water heater, and the fact that current temperature sensors usually require tools such as wrenches and screwdrivers for assembly, the assembly of temperature sensors is quite complicated. Furthermore, disassembly and reassembly are also cumbersome when the temperature sensor malfunctions, which is not conducive to the production of water heaters and the maintenance by operators. Utility Model Content

[0003] To overcome the above-mentioned defects, this utility model provides a temperature sensor fixing structure, which has the advantage of simple assembly process.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a temperature sensor fixing structure, including: a sealing plug, a sealing ring, and a pin. A connecting pipe is provided on the outer wall of the water outlet pipe. The connecting pipe is a circular pipe with an open top and a bottom end connected to the water outlet pipe. The top end of the temperature sensor is fixed to the bottom end of the sealing plug. The bottom end of the temperature sensor is the detection end of the temperature sensor. The outer peripheral wall of the sealing ring is provided with a first annular notch and a second annular notch spaced apart vertically. The first annular notch is located above the second annular notch. The sealing ring is fitted onto the second annular notch. The sealing plug can be inserted into the top end of the connecting pipe and sealed by the sealing ring and the inner peripheral wall of the connecting pipe. When the sealing plug is inserted into the connecting pipe, the bottom end of the temperature sensor can extend into the water outlet pipe. Two pin holes are opened on the outer wall of the connecting pipe. The pin can be inserted into the two pin holes. The end of the pin can be inserted into the first annular notch. The sealing plug can be axially fixed by the pin and the connecting pipe.

[0005] Optionally, the sealing plug has a fixing hole extending through it along its own axis, and a fixing rod is provided at the top of the temperature sensor. The fixing rod is provided at the top of the fixing rod with the wire of the temperature sensor. The fixing rod can be inserted into the fixing hole and sealed to the fixing hole, and the wire can pass out from the fixing hole.

[0006] Optionally, the sealing plug has a threaded hole extending through it along its own axis, a fixing rod is provided at the top of the temperature sensor, a wire of the temperature sensor is provided at the top of the fixing rod, the outer peripheral wall of the fixing rod is provided with external threads, the fixing rod can be screwed into the threaded hole and maintain a sealed connection with the threaded hole, and the wire can pass out from the threaded hole.

[0007] Alternatively, the pin is U-shaped and integrally formed by a bending process.

[0008] Alternatively, the sealing plug may be made of a copper alloy.

[0009] Optionally, the temperature sensor is a thermistor temperature sensor.

[0010] The beneficial technical effects of this utility model are as follows: The temperature sensor fixing structure includes a sealing plug, a sealing ring, and a pin. When it is necessary to fix the temperature sensor, simply insert the sealing plug with the temperature sensor fixed inside the connecting pipe, then insert the pin into the pin hole. The pin axially fixes the sealing plug and the connecting pipe, preventing the sealing plug from detaching from the connecting pipe. When it is necessary to repair the temperature sensor, simply remove the pin to remove the sealing plug. Compared to using tools to disassemble and assemble the temperature sensor, the disassembly and assembly process is much simpler. It has the advantage of simple assembly process. Attached Figure Description

[0011] Figure 1 This is a three-dimensional exploded view of the entire machine of this utility model;

[0012] in:

[0013] 1. Sealing plug; 11. First annular notch; 12. Second annular notch; 13. Fixing hole;

[0014] 2. Sealing ring; 3. Pin; 4. Outlet pipe; 5. Connecting pipe; 51. Pin hole; 6. Temperature sensor; 61. Fixing rod. Detailed Implementation

[0015] In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0016] This specific embodiment describes in detail the temperature sensor fixing structure described in this application, such as... Figure 1As shown, the temperature sensor fixing structure includes: a sealing plug 1, a sealing ring 2, and a pin 3. A connecting pipe 5 is provided on the outer wall of the water outlet pipe 4. The connecting pipe 5 is a round pipe with an open top and a bottom end connected to the water outlet pipe 4. The top end of the temperature sensor 6 is fixed to the bottom end of the sealing plug 1. The bottom end of the temperature sensor 6 is the detection end of the temperature sensor 6. The outer peripheral wall of the sealing ring 2 is provided with a first annular notch 11 and a second annular notch 12 spaced apart in the vertical direction. The first annular notch 11 is located above the second annular notch 12. The sealing ring 2 is sleeved on the second annular notch 12. The sealing plug 1 can be inserted into the top end of the connecting pipe 5 and sealed and connected by the sealing ring 2 and the inner peripheral wall of the connecting pipe 5. When the sealing plug 1 is inserted into the connecting pipe 5, the bottom end of the temperature sensor 6 can extend into the water outlet pipe 4. Two pin holes 51 are opened on the outer wall of the connecting pipe 5. The pin 3 can be inserted into the two pin holes 51. The end of the pin 3 can be inserted into the first annular notch 11. The sealing plug 1 can be axially fixed by the pin 3 and the connecting pipe 5. When it is necessary to fix the temperature sensor 6, simply insert the sealing plug 1, which holds the temperature sensor 6, into the connecting pipe 5, then insert the pin 3 into the pin hole 51 and engage it with the first annular notch 11. The pin 3 axially fixes the sealing plug 1 and the connecting pipe 5, preventing the sealing plug 1 from detaching from the connecting pipe 5. When it is necessary to inspect the temperature sensor 6, simply remove the pin 3 to remove the sealing plug 1. Compared to using tools to disassemble and assemble the temperature sensor, the process is much simpler. It has the advantage of a simple assembly process.

[0017] Optionally in this embodiment, the sealing plug 1 has a fixing hole 13 extending through its axial direction. A fixing rod 61 is provided at the top of the temperature sensor 6, and a wire of the temperature sensor 6 is provided at the top of the fixing rod 61. The fixing rod 61 can be inserted into the fixing hole 13 and sealed to it, while the wire can pass through the fixing hole 13. In this embodiment, the fixing rod 61 maintains a sealed connection with the fixing hole 13 through an interference fit.

[0018] In some alternative embodiments, the sealing plug 1 has a threaded hole extending through its own axis. A fixing rod 61 is provided at the top of the temperature sensor 6, and a wire of the temperature sensor 6 is provided at the top of the fixing rod 61. The outer peripheral wall of the fixing rod 61 has external threads, allowing it to be screwed into the threaded hole and maintain a sealed connection. The wire can pass through the threaded hole. The fixing rod 61 maintains a sealed connection with the threaded hole through thread-locking adhesive.

[0019] Optionally in this embodiment, the pin 3 is U-shaped and integrally formed by bending process.

[0020] Optionally in this embodiment, the sealing plug 1 is made of copper alloy.

[0021] Optionally, in this embodiment, the temperature sensor 6 is a thermistor-type temperature sensor.

[0022] The temperature sensor mounting structure used in this embodiment has the advantage of a simple assembly process.

Claims

1. A temperature sensor fixing structure, characterized in that, include: The sealing plug (1), sealing ring (2), and pin (3) are provided. A connecting pipe (5) is provided on the outer wall of the water outlet pipe (4). The connecting pipe (5) is a round pipe with an open top and a bottom end connected to the water outlet pipe (4). The top end of the temperature sensor (6) is fixed to the bottom end of the sealing plug (1). The bottom end of the temperature sensor (6) is the detection end of the temperature sensor (6). The outer peripheral wall of the sealing ring (2) is provided with a first annular notch (11) and a second annular notch (12) spaced apart in the vertical direction. The first annular notch (11) is located above the second annular notch (12). The sealing ring (2) is fitted with... At the second annular notch (12), the sealing plug (1) can be inserted into the top of the connecting pipe (5) and sealed and connected to the inner circumferential wall of the connecting pipe (5) through the sealing ring (2). When the sealing plug (1) is inserted into the connecting pipe (5), the bottom end of the temperature sensor (6) can extend into the water outlet pipe (4). The outer wall of the connecting pipe (5) has two pin holes (51). The pin (3) can be inserted into the two pin holes (51). The end of the pin (3) can be inserted into the first annular notch (11). The sealing plug (1) can be axially fixed through the pin (3) and the connecting pipe (5).

2. The temperature sensor fixing structure according to claim 1, characterized in that: The sealing plug (1) has a fixing hole (13) through it along its own axis. The top of the temperature sensor (6) is provided with a fixing rod (61). The top of the fixing rod (61) is provided with a wire of the temperature sensor (6). The fixing rod (61) can be inserted into the fixing hole (13) and sealed to the fixing hole (13). The wire can pass out from the fixing hole (13).

3. The temperature sensor fixing structure according to claim 1, characterized in that: The sealing plug (1) has a threaded hole through it along its own axis. The top of the temperature sensor (6) is provided with a fixing rod (61). The top of the fixing rod (61) is provided with a wire of the temperature sensor (6). The outer peripheral wall of the fixing rod (61) is provided with an external thread. The fixing rod (61) can be screwed into the threaded hole and maintain a sealed connection with the threaded hole. The wire can pass through the threaded hole.

4. The temperature sensor fixing structure according to claim 1, characterized in that: The pin (3) is U-shaped and integrally formed by bending process.

5. The temperature sensor fixing structure according to claim 1, characterized in that: The sealing plug (1) is made of copper alloy.

6. The temperature sensor fixing structure according to claim 1, characterized in that: The temperature sensor (6) is a thermistor type temperature sensor.

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