Detachable plug-in temperature sensor mounting mouthpiece

Abstract

The invention relates to a liquid-propellant rocket engine test assembly, in particular to a detachable plug-in temperature sensor mounting mouthpiece, and solves the technical problems that an existing temperature sensor mounting mouthpiece is poor in measurement accuracy, cannot be detached, wastes cost and is complex to mount, so that the simulation test efficiency is low. The detachable plug-in temperature sensor installation mouthpiece comprises a step joint, a spherical joint, a first mouthpiece installation cylinder and a second mouthpiece installation cylinder. The lower end of the step joint is connected with the upper end of the spherical joint; a first step hole matched with the plug-in temperature sensor in shape is formed in the step joint, and a first through hole matched with the plug-in temperature sensor in shape is formed in the spherical joint; the first through hole is communicated with the first stepped hole; the second mouthpiece mounting cylinder is used for fixing the plug-in temperature sensor in the step joint; the first mouthpiece mounting cylinder is used for fixing the lower end of the spherical joint inserted into the tee joint in the tee joint so as to measure the temperature of fluid in the tee joint.

Description

Technical Field

[0001] This invention relates to a test assembly for a liquid rocket engine, specifically to a detachable insert-type temperature sensor mounting connector. Background Technology

[0002] Before a liquid rocket engine is launched, its various components need to undergo extensive ground simulation tests. The fluid pipeline specifications of the simulation test system range from as small as 4mm to as large as 200mm or more, and the internal pressure is tens of megapascals or more. During the simulation test, it is often necessary to measure the fluid temperature in the pipeline for condition assessment, flow rate calculation, etc. Therefore, fluid temperature is a key indicator in the simulation test process.

[0003] Existing temperature sensor mounting connectors require drilling holes in the fluid pipeline to measure the temperature, then directly welding the mounting connector (i.e., stepped connector or other type of connector) to the fluid pipeline where it will connect with the temperature sensor, and finally installing the temperature sensor for temperature measurement. However, these temperature sensor mounting connectors have the following drawbacks: 1) Poor temperature measurement accuracy. This is mainly reflected in the following aspects: a) Non-uniform flow field: When the installation nozzle is welded onto the fluid pipeline, stress deformation often occurs, especially in fluid pipelines with a diameter of less than 20mm, where the deformation is very significant. This causes the fluid cross-section at the measurement location to become a non-circular cross-section, resulting in a non-uniform flow field; b) Uncontrollable temperature sensor insertion depth: The insertion depth of the temperature sensor into the fluid pipeline affects the measured value, and its depth is subject to relevant standards and specifications. Factors such as the deviation of the drilling diameter of the fluid pipeline, the control of weld seams, and the radial deformation of the fluid pipeline cross-section after welding can affect the insertion depth of the temperature sensor, leading to an uncontrollable insertion depth; c) Uncontrollable perpendicularity of the installation nozzle: Relevant standards and specifications require that the axis of the installation nozzle and the axis of the fluid pipeline maintain a certain perpendicularity to ensure measurement accuracy. In existing technologies, factors such as the control of weld seams and the axial deformation of the fluid pipeline cross-section after welding can affect the perpendicularity of the installation nozzle to the pipeline, leading to its uncontrollability.

[0004] 2) Non-removable. Once the temperature sensor's mounting connector is welded onto the fluid pipeline, it cannot be disassembled for use in other test system pipelines. When measuring temperature in different test pipelines, the connector needs to be re-machined and reinstalled, resulting in some waste.

[0005] 3) Complex installation. Temperature measurement can only be performed after a series of processes, including nozzle processing, pipe drilling, welding, pickling, strength testing, sensor installation, and airtightness inspection, resulting in low efficiency of simulation testing. Summary of the Invention

[0006] The purpose of this invention is to solve the technical problems of existing temperature sensor mounting connectors, such as poor measurement accuracy, non-removability, wasteful costs, and low simulation test efficiency due to complex installation, and to provide a detachable insert-type temperature sensor mounting connector.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: A detachable insertion-type temperature sensor mounting connector is used in fluid pipelines with pre-dated tees; its special feature is that it includes a stepped connector, a ball connector, a first connector mounting sleeve, and a second connector mounting sleeve. The lower end of the stepped joint is connected to the upper end of the ball joint; The stepped connector is provided with a first stepped hole that matches the shape of the insertion-type temperature sensor. The ball joint is provided with a first through hole that is adapted to the shape of the insertion temperature sensor; the first through hole and the first stepped hole are connected. The second connector mounting sleeve is located outside the upper end of the stepped connector and is connected to the outer wall of the upper end of the stepped connector. It is used to fix the insertion temperature sensor in the stepped connector. The first connector mounting sleeve is located outside the ball joint and connected to the outer wall of the tee. It is used to fix the lower end of the ball joint inserted into the tee in the tee so as to measure the internal fluid temperature of the tee.

[0008] Furthermore, the stepped joint includes a threaded segment, a first arc segment, a first cylindrical segment, and a first conical segment coaxially connected from top to bottom; the threaded segment is connected to the second connector mounting sleeve; the small end of the first conical segment faces downward; the first stepped hole includes a stepped hole and a second through hole; the stepped hole is disposed in the threaded segment, and the second through hole is disposed in the first arc segment, the first cylindrical segment, and the first conical segment respectively.

[0009] Furthermore, the spherical joint includes a second conical segment, a second cylindrical segment, a third cylindrical segment, a spherical segment, and a fourth cylindrical segment coaxially connected from top to bottom; the small end of the second conical segment faces upward and is welded to the first conical segment to form a V-shaped welded ring; the outer diameter of the second cylindrical segment is smaller than the outer diameter of the third cylindrical segment; and the first through hole is sequentially provided in the second conical segment, the second cylindrical segment, the third cylindrical segment, the spherical segment, and the fourth cylindrical segment from top to bottom.

[0010] Furthermore, the structure also includes a second circular arc segment, a third circular arc segment, and a fifth cylindrical segment; the second cylindrical segment and the third cylindrical segment are connected by the second circular arc segment; the spherical segment and the fourth cylindrical segment are connected by the third circular arc segment; the third cylindrical segment and the spherical segment are connected by the fifth cylindrical segment, wherein the outer wall of the fifth cylindrical segment is tangent to the spherical surface of the spherical segment.

[0011] Furthermore, the first connector mounting cylinder includes a hexagonal prism segment and a sixth cylindrical segment connecting the hexagonal prism segment; the hexagonal prism segment and the sixth cylindrical segment are respectively provided with mounting holes coaxially, the mounting holes are stepped holes, the larger hole segment is located at the bottom, and its stepped surface is used to engage the third cylindrical segment; the second connector mounting cylinder has the same structure as the first connector mounting cylinder.

[0012] Furthermore, the small end of the first conical segment is coaxially provided with a flange; the small end of the second conical segment is coaxially provided with a groove that matches the flange; the first conical segment is connected to the second conical segment through the flange and the groove.

[0013] Furthermore, the lower end port of the fourth cylindrical segment is an arc-shaped port; the fourth cylindrical segment and the tee are clearance-fitted; the hexagonal prism segment of the first connector mounting cylinder is provided with a first relief groove that matches the shape of the third cylindrical segment; the hexagonal prism segment of the second connector mounting cylinder is provided with a second relief groove that matches the insertion-type temperature sensor.

[0014] Furthermore, the device also includes a sealing ring disposed between the threaded section and the insertion temperature sensor.

[0015] Furthermore, the inner diameter of the first through hole is the same as the inner diameter of the first stepped hole, and their coaxiality is less than or equal to Φ0.1mm.

[0016] Furthermore, the materials of the stepped joint and the ball joint are 06Cr19Ni10, which can withstand a fluid pressure of 35MPa or more; the length of the flange is the same as the depth of the settling tank; the diameter of the small end of the first conical section is the same as the diameter of the small end of the second conical section; the diameter of the arc-shaped port is larger than the fluid channel diameter of the tee; and the gap is 0.05mm~0.15mm.

[0017] The beneficial effects of this invention are: 1. The present invention provides a detachable insertion-type temperature sensor mounting nozzle, which has high temperature measurement accuracy. For fluid pipelines with machined tees where the temperature measurement point is located, the stepped joint and the ball joint are integrally mounted on the tees through the first nozzle mounting sleeve and the second nozzle mounting sleeve. The insertion depth and perpendicularity are controllable, and there are no problems of welding deformation and uneven flow field.

[0018] 2. The present invention provides a detachable insertion-type temperature sensor mounting connector, which can be disassembled and replaced for use. The insertion-type temperature sensor mounting connector is connected to the tee by using a first connector mounting sleeve and a second connector mounting sleeve. It can be disassembled for use in other test system pipeline temperature measurement simply by loosening the second connector mounting sleeve on the ball joint, thus saving costs.

[0019] 3. The present invention provides a detachable insertion-type temperature sensor mounting connector, which only requires two steps: installing the first connector mounting sleeve and the second connector mounting sleeve, followed by an airtightness check, resulting in high installation efficiency.

[0020] 4. The present invention provides a detachable insertion-type temperature sensor mounting connector. The stepped connector is a structure formed by a threaded section, a first arc section, a first cylindrical section, and a first conical section, which can be quickly connected to the insertion-type temperature sensor. The spherical connector is a structure formed by a second conical section, a second cylindrical section, a third cylindrical section, a spherical section, and a fourth cylindrical section, which can be quickly connected to a tee in a fluid pipeline. Furthermore, the stepped connector and the spherical connector can reliably withstand high-pressure sealing.

[0021] 5. The present invention provides a detachable insertion-type temperature sensor mounting connector. By having the small end of the second conical segment facing upward and the small end of the first conical segment facing downward, the second conical segment and the first conical segment are welded together to form a V-shaped welding ring. The V-shaped welding ring reliably bonds the stepped joint and the ball joint into one piece, so that the V-shaped welding ring can withstand the high pressure of the fluid.

[0022] 6. The present invention provides a detachable insertion-type temperature sensor mounting connector, which uses a first arc segment, a second arc segment, and a third arc segment to achieve a smooth transition at the variable cross-section, avoiding stress concentration and extending service life; in order to avoid interference between the third cylindrical segment and the temperature measuring port when the spherical connector is installed with the tee, a fifth cylindrical segment is set between the third cylindrical segment and the spherical segment to ensure the reliability of the seal between the spherical segment and the flared end line.

[0023] 7. The present invention provides a detachable insertion-type temperature sensor mounting connector, which utilizes the cooperation of a countersunk groove and a flange to ensure the coaxiality of the first stepped hole and the first through hole, and to improve the installation accuracy of the insertion-type temperature sensor.

[0024] 8. In the detachable insertion temperature sensor mounting connector of the present invention, the diameter of the arc-shaped port is larger than the diameter of the fluid channel and the central axes of the two coincide, which can fully fill the space of the third through hole, minimize the influence of the third through hole on the flow field of the fluid channel, and improve the accuracy of temperature measurement.

[0025] 9. The present invention provides a detachable insertion temperature sensor mounting connector. Since the insertion temperature sensor is a slender structure, it will vibrate under the action of fluid. Therefore, when the inner diameter of the first through hole and the inner diameter of the first stepped hole are the same and their coaxiality is less than or equal to Φ0.1mm, the insertion temperature sensor can be effectively protected from damage.

[0026] 10. The present invention provides a detachable insertion temperature sensor mounting connector. Since the insertion temperature sensor is a slender structure, the stepped connector needs to be designed according to the shape and structure of the insertion temperature sensor, different fluids, and different tee diameters. Therefore, the stepped connector and the ball connector need to be designed in sections. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of an embodiment of a detachable insertable temperature sensor mounting connector according to the present invention; Figure 2 This is a schematic diagram of the stepped connector in an embodiment of a detachable insertable temperature sensor mounting connector of the present invention; Figure 3 This is a schematic diagram of the structure of the ball joint in an embodiment of a detachable insertion temperature sensor mounting connector of the present invention; Figure 4 This is a schematic diagram of the structure of the tee connected in an embodiment of a detachable insertable temperature sensor mounting connector of the present invention; Figure 5 This is a schematic diagram of the structure of the second connector mounting cylinder in an embodiment of a detachable insertable temperature sensor mounting connector of the present invention.

[0028] Explanation of reference numerals in the attached drawings: 1-Stepped connector, 11-First stepped hole, 101-Stepped hole, 102-Second through hole, 13-Flange, 14-Threaded section, 15-First tapered section, 16-First cylindrical section, 17-First arc section, 2-Spherical connector, 21-First through hole, 22-Counterside groove, 23-Arc port, 24-Second cylindrical section, 25-Fourth cylindrical section, 26-Third cylindrical section, 27-Spherical section, 29-Second tapered section, 30-Second arc section, 31-Fifth cylindrical section, 32-Third arc section, 4-Tee, 41-First interface, 42-Second interface, 43-Temperature measuring port, 431-Flanged mouth, 432-Third through hole, 44-Fluid channel, 5-First connector mounting sleeve, 51-Mounting hole, 52-First tool relief groove, 6-Insertion-type temperature sensor, 7-Sealing ring, 8-Second connector mounting sleeve. Detailed Implementation

[0029] like Figure 1As shown, a detachable insertion temperature sensor mounting connector is used in a fluid pipeline with a reserved tee 4. It includes a stepped connector 1, a ball connector 2, a first connector mounting sleeve 5, a sealing ring 7, and a second connector mounting sleeve 8. The lower end of the stepped connector 1 is connected to the upper end of the ball connector 2. The stepped connector 1 has a first stepped hole 11 adapted to the shape of the insertion temperature sensor 6, and the ball connector 2 has a first through hole 21 adapted to the shape of the insertion temperature sensor 6. The first through hole 21 and the first stepped hole 11 are connected. The second connector mounting sleeve 8 is sleeved outside the upper end of the stepped connector 1 and connected to the outer wall of the upper end of the stepped connector 1, used to fix the insertion temperature sensor 6 in the stepped connector 1. The first connector mounting sleeve 5 is sleeved outside the ball connector 2 and connected to the outer wall of the tee 4, used to fix the lower end of the ball connector 2 inserted into the tee 4 in the tee 4 to measure the internal fluid temperature of the tee 4.

[0030] like Figure 2 As shown, the stepped connector 1 includes a threaded section 14, a first arc section 17, a first cylindrical section 16, and a first tapered section 15, which are coaxially connected from top to bottom. The threaded section 14 is connected to the second connector mounting sleeve 8. The small end of the first tapered section 15 faces downward. The first stepped hole 11 includes a stepped hole 101 and a second through hole 102. The stepped hole 101 is disposed in the threaded section 14, and the second through hole 102 is disposed in the first arc section 17, the first cylindrical section 16, and the first tapered section 15, respectively. A flange 13 is coaxially disposed at the small end of the first tapered section 15. A sealing ring 7 is disposed between the threaded section 14 and the insertion temperature sensor 6.

[0031] like Figure 3 As shown, the spherical joint 2 includes a second conical segment 29, a second cylindrical segment 24, a third cylindrical segment 26, a spherical segment 27, and a fourth cylindrical segment 25, which are coaxially connected from top to bottom. The small end of the second conical segment 29 faces upward and is welded to the first conical segment 15 to form a V-shaped welded ring. The outer diameter of the second cylindrical segment 24 is smaller than the outer diameter of the third cylindrical segment 26. The first through hole 21 is arranged from top to bottom in the second conical segment 29, the second cylindrical segment 24, the third cylindrical segment 26, the spherical segment 27, and the fourth cylindrical segment 25. The small end of the second conical segment 29 is provided with a countersunk groove 22 coaxial with the first through hole 21. The countersunk groove 22 is adapted to the flange 13, and the length of the flange 13 is the same as the depth of the countersunk groove 22. The first conical segment 15 is connected to the second conical segment 29 through the flange 13 and the countersunk groove 22. The diameter of the small end of the first conical segment 15 is the same as the diameter of the small end of the second conical segment 29.

[0032] like Figure 4As shown, a typical tee 4 has a first interface 41, a second interface 42, and a temperature measuring port 43; the first interface 41 and the second interface 42 have circular fluid channels 44; the temperature measuring port 43 has a connecting flared opening 431 and a third through hole 432; the third through hole 432 communicates with the fluid channel 44; the first interface 41 and the second interface 42 have the same structural dimensions. In this embodiment, the tee 4 has a third through hole 432 with a diameter of 10mm; the flared opening 431 has a cone angle of 37°~60°; the outer diameter of the first interface 41 and the second interface 42 is 17.5mm; and the minimum diameter of the fluid channel 44 is 6mm.

[0033] The cone angles of the first conical segment 15 and the second conical segment 29 are both 120°; the threaded segment 14 is connected to the first cylindrical segment 16 via the first arc segment 17; the second cylindrical segment 24 is connected to the third cylindrical segment 26 via the second arc segment 30; the spherical segment 27 is connected to the fourth cylindrical segment 25 via the third arc segment 32; the radius of the first arc segment 17 is 5mm; the radius of the second arc segment 30 is 0.5mm; the radius of the third arc segment 32 is 5mm; the third cylindrical segment 26 and the spherical segment 27 are connected via the fifth cylindrical segment 31, wherein the outer wall of the fifth cylindrical segment 31 is tangent to the spherical surface of the spherical segment 27. The lower end of the fourth cylindrical section 25 is an arc-shaped port 23, and the fourth cylindrical section 25 and the temperature measuring port 43 of the tee 4 are in clearance fit, with a clearance of 0.05mm~0.15mm; the arc-shaped port 23 is 0.5mm larger than the diameter of the fluid channel 44; the spherical section 27 and the flared mouth 431 of the tee 4 are in line contact seal.

[0034] In this embodiment, the materials of the stepped joint 1 and the ball joint 2 are 06Cr19Ni10, which can withstand fluid pressures of 35MPa or higher. The inner diameter of the first through hole 21 is the same as the inner diameter of the first stepped hole 11, and their coaxiality is less than or equal to Φ0.1mm. The diameters of the first stepped hole 11 and the first through hole 21 are both 6mm; the length of the flange 13 and the depth of the countersunk groove 22 are both 1mm, the outer diameter of the flange 13 is 6.9mm, and the inner diameter of the countersunk groove 22 is 7mm; the inner diameters of the stepped hole 101 from top to bottom are 11mm, 8mm, and 6mm respectively; the diameter of the threaded section 14 is at least 18mm; the diameters of the first cylindrical section 16 and the second cylindrical section 24 are both 10mm; the diameter of the third cylindrical section 26 is 20mm, and the height is 4.5mm; the diameter of the fourth cylindrical section 25 is 9.8mm; the diameter of the fifth cylindrical section 31 is 16.5mm, and the height is 2mm; the spherical radius of the ball section 27 is 7.5mm.

[0035] like Figure 5As shown, the first connector mounting cylinder 5 includes a hexagonal prism segment and a sixth cylindrical segment connecting the hexagonal prism segment. Mounting holes 51 are coaxially arranged in both the hexagonal prism segment and the sixth cylindrical segment. The mounting holes 51 are stepped holes, with the larger hole section located at the bottom, and their stepped surfaces are used to engage the third cylindrical segment 26. The second connector mounting cylinder 8 has the same structure as the first connector mounting cylinder 5. The hexagonal prism segment of the first connector mounting cylinder 5 has a first relief groove 52 that matches the shape of the third cylindrical segment 26; the hexagonal prism segment of the second connector mounting cylinder 8 has a second relief groove that matches the insertion-type temperature sensor. The inner diameter of the mounting hole 51 is 1 mm larger than the outer diameter of the third cylindrical segment 26, and the maximum value of the inner diameter of the mounting hole 51 is 16.3 mm. The diameter of the inscribed circle of the hexagonal prism surface is at least 26 mm. The first relief groove 52 and the second relief groove facilitate the design of the internal threads of the first connector mounting cylinder 5 and the second connector mounting cylinder 8.

[0036] The installation process of the detachable insertion-type temperature sensor mounting connector of the present invention is as follows: 1.1 After inserting the flange 13 into the countersunk groove 22, weld the first tapered section 15 and the second tapered section 29 together; 1.2 Insert the insertion temperature sensor 6 into the first stepped hole 11 and the first through hole 21, adjust the height of the stepped connector 1 so that the probe of the insertion temperature sensor 6 extends into the fluid channel 44, and tighten the second connector mounting sleeve 8 and the threaded section 14 to press the sealing ring 7. 1.3 Adjust the circumferential position of the ball joint 2 so that the arc port 23 coincides with the central axis of the fluid channel 44, and then screw the first connector mounting sleeve 5 and the tee 4 together.

Claims

1. A detachable insertion-type temperature sensor mounting connector for use in a fluid pipeline with a pre-installed tee (4); characterized in that: It includes a stepped joint (1), a ball joint (2), a first connector mounting sleeve (5), and a second connector mounting sleeve (8); The lower end of the stepped joint (1) is connected to the upper end of the ball joint (2); The stepped connector (1) is provided with a first stepped hole (11) that matches the shape of the insertion temperature sensor (6). The ball joint (2) is provided with a first through hole (21) that is adapted to the shape of the insertion temperature sensor (6); the first through hole (21) and the first stepped hole (11) are connected; The second connector mounting sleeve (8) is sleeved on the outside of the upper end of the stepped connector (1) and connected to the outer side wall of the upper end of the stepped connector (1) for fixing the insertion temperature sensor (6) in the stepped connector (1); The first connector mounting sleeve (5) is fitted outside the ball joint (2) and connected to the outer wall of the tee (4) to fix the lower end of the ball joint (2) inserted into the tee (4) in the tee (4) so ​​as to measure the internal fluid temperature of the tee (4).

2. The detachable insertion-type temperature sensor mounting connector according to claim 1, characterized in that: The stepped joint (1) includes a threaded section (14), a first arc section (17), a first cylindrical section (16), and a first conical section (15) connected coaxially from top to bottom; the threaded section (14) is connected to the second connector mounting sleeve (8); the small end of the first conical section (15) faces downward; The first stepped hole (11) includes a stepped hole (101) and a second through hole (102); the stepped hole (101) is disposed in the threaded section (14), and the second through hole (102) is disposed in the first arc section (17), the first cylindrical section (16) and the first tapered section (15) respectively.

3. The detachable insertion-type temperature sensor mounting connector according to claim 2, characterized in that: The spherical joint (2) includes a second conical segment (29), a second cylindrical segment (24), a third cylindrical segment (26), a spherical segment (27), and a fourth cylindrical segment (25) connected coaxially from top to bottom; the small end of the second conical segment (29) faces upward and is welded to the first conical segment (15) to form a V-shaped welded ring; the outer diameter of the second cylindrical segment (24) is smaller than the outer diameter of the third cylindrical segment (26); The first through hole (21) is arranged from top to bottom in the second conical section (29), the second cylindrical section (24), the third cylindrical section (26), the spherical section (27) and the fourth cylindrical section (25).

4. The detachable insertion-type temperature sensor mounting connector according to claim 3, characterized in that: It also includes the second arc segment (30), the third arc segment (32), and the fifth cylindrical segment (31); The second cylindrical segment (24) and the third cylindrical segment (26) are connected by a second arc segment (30); The spherical segment (27) and the fourth cylindrical segment (25) are connected by the third arc segment (32); The third cylindrical segment (26) and the spherical segment (27) are connected by the fifth cylindrical segment (31), wherein the outer wall of the fifth cylindrical segment (31) is tangent to the spherical surface of the spherical segment (27).

5. The detachable insertion-type temperature sensor mounting connector according to claim 3, characterized in that: The first connector mounting cylinder (5) includes a hexagonal prism segment and a sixth cylindrical segment connecting the hexagonal prism segment; The hexagonal prism segment and the sixth cylindrical segment are respectively provided with mounting holes (51) on the same axis. The mounting holes (51) are stepped holes, with the larger hole segment located at the bottom. The stepped surface is used to engage the third cylindrical segment (26). The second nozzle mounting cylinder (8) has the same structure as the first nozzle mounting cylinder (5).

6. The detachable insertion-type temperature sensor mounting connector according to claim 3, characterized in that: The small end of the first tapered segment (15) is coaxially provided with a flange (13); The small end of the second tapered section (29) is coaxially provided with a groove (22) that matches the flange (13); The first conical segment (15) is connected to the second conical segment (29) via a flange (13) and a groove (22).

7. The detachable insertion-type temperature sensor mounting connector according to claim 3, characterized in that: The lower end port of the fourth cylindrical segment (25) is an arc-shaped port (23); The fourth cylindrical section (25) and the tee (4) are in clearance fit; The first nozzle mounting cylinder (5) has a first relief groove (52) in its hexagonal prism section that is adapted to the shape of the third cylindrical section (26); The second connector mounting cylinder (8) has a second retraction groove in its hexagonal prism section that is compatible with the insert-type temperature sensor (6).

8. The detachable insertion-type temperature sensor mounting connector according to claim 3, characterized in that: It also includes a sealing ring (7) disposed between the threaded section (14) and the insertion temperature sensor (6).

9. A detachable insertion-type temperature sensor mounting connector according to any one of claims 1-8, characterized in that: The inner diameter of the first through hole (21) is the same as the inner diameter of the first stepped hole (11), and their coaxiality is less than or equal to Φ0.1mm.

10. The detachable insertion-type temperature sensor mounting connector according to claim 7, characterized in that: The materials of the stepped joint (1) and the ball joint (2) are 06Cr19Ni10, which can withstand fluid pressures of 35MPa or higher. The length of the flange (13) is the same as the depth of the sink (22); The diameter of the small end of the first conical segment (15) is the same as the diameter of the small end of the second conical segment (29); The diameter of the arc-shaped port (23) is larger than the diameter of the fluid channel (44) of the tee (4); The gap is 0.05mm to 0.15mm.

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