Waterborne polyurethane polymerization reaction anti-interference temperature sensor mounting structure

Abstract

The utility model relates to the field of temperature sensors, and discloses a waterborne polyurethane polymerization reaction anti-interference temperature sensor installation structure which comprises a sensor body and an installation frame, a threaded block is fixedly installed at the bottom end of the sensor body, and a detection probe is fixedly connected to the bottom end of the threaded block. The center of the detection probe and the center of the threaded block are located on the same straight line, two fixing bolts are clamped to the inner wall of the mounting frame, a plurality of clamping blocks are fixedly connected to the top of the mounting frame, a fixing disc is clamped to the surfaces of the clamping blocks, and the inner wall of the mounting frame is slidably connected with the surface of the sensor body. The two fixing bolts are symmetrically distributed with the mounting frame as the axis. The mounting frame is mounted on the surface of the sensor body, two fixing bolts are mounted on the inner wall of the mounting frame, a plurality of clamping blocks are fixedly mounted at the tops of the fixing bolts, and fixing discs are clamped on the surfaces of the clamping blocks, so that the rotation angle of the sensor body is fixed by means of the clamping blocks and the fixing discs.

Description

Technical Field

[0001] This application relates to the field of temperature sensors, and in particular to an anti-interference mounting structure for a waterborne polyurethane polymerization reaction temperature sensor. Background Technology

[0002] Waterborne polyurethane (WPU) is prepared by reacting polyisocyanates with polyols. Specifically, polyisocyanates (such as TDI and MDI) and polyols (such as polyether polyols and polyester polyols) polymerize to form a polyurethane prepolymer, which is then dissolved or emulsified in water through phase transfer to form a waterborne polyurethane dispersion. Temperature sensors are often installed during the polymerization process to detect the temperature generated during the waterborne polyurethane polymerization. A temperature sensor is a device that converts temperature changes into measurable electrical signals (such as voltage, current, or resistance). Temperature sensors achieve accurate temperature measurement through various technologies and are indispensable components in industrial automation and everyday technology. In conventional temperature sensor installation, the sensor body is mounted on the surface of the reaction equipment using threaded blocks. A detection probe is installed at the bottom of the sensor body and mounted on the inner wall of the reaction equipment. The detection probe converts the temperature signal into a measurable electrical signal through the thermoelectric effect.

[0003] Regarding the aforementioned technologies, the inventors believe that conventional waterborne polyurethane often requires a stirring mechanism to mix the waterborne polyurethane in the reaction equipment during polymerization. However, since thermometer detectors are often installed using threaded blocks, the threaded blocks are prone to separating from the reaction equipment during the operation of the stirring mechanism, resulting in the temperature sensor becoming loose or even falling off.

[0004] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Utility Model Content

[0005] To address the issue of unstable temperature sensors leading to detachment after installation, this application provides an anti-interference installation structure for a water-based polyurethane polymerization reaction temperature sensor.

[0006] The waterborne polyurethane polymerization reaction anti-interference temperature sensor mounting structure provided in this application adopts the following technical solution:

[0007] An anti-interference mounting structure for a waterborne polyurethane polymerization reaction temperature sensor includes a sensor body and a mounting bracket. A threaded block is fixedly mounted on the bottom end of the sensor body, and a detection probe is fixedly connected to the bottom end of the threaded block. The center of the detection probe and the center of the threaded block are on the same straight line. Two fixing bolts are clamped to the inner wall of the mounting bracket, and several clamping blocks are fixedly connected to the top of the mounting bracket. A fixing plate is clamped to the surface of each clamping block. The inner wall of the mounting bracket is slidably connected to the surface of the sensor body. The two fixing bolts are symmetrically distributed about the mounting bracket, and the several clamping blocks are arranged in a circular array about the center of the sensor body.

[0008] Preferably, the inner wall of the fixed disk is slidably connected to the surface of the sensor body, and a limit spring is fixedly installed on the top of the fixed disk. The center of the limit spring is on the same straight line as the center of the fixed disk, and a fixing ring is fixedly connected to the top of the limit spring. The inner wall of the fixing ring is fixedly installed to the surface of the sensor body.

[0009] Preferably, two limiting blocks are fixedly connected to the surface of the sensor body. The two limiting blocks are symmetrically distributed about the sensor body, and the surfaces of the limiting blocks are slidably installed with respect to the inner wall of the fixed disk.

[0010] Preferably, the surface of the detection probe is fitted with a shielding plate, the dimensions of the inner wall of the shielding plate are interference-fitted with the dimensions of the sensor body surface, and the shielding plate is a rubber ring.

[0011] Preferably, a limiting cylinder is movably installed at the bottom end of the shielding plate, and a push spring is fixedly connected to the bottom end of the limiting cylinder, with the center of the push spring and the center of the limiting cylinder on the same straight line.

[0012] Preferably, a connecting cylinder is slidably installed at the bottom end of the limiting cylinder, the inner wall of the connecting cylinder is fixedly connected to the surface of the detection probe, and the size and specifications of the surface of the connecting cylinder are compatible with the size and specifications of the inner wall of the limiting cylinder.

[0013] Preferably, an installation ring is fixedly installed inside the shielding plate, the inner wall of the installation ring is engaged with the surface of the detection probe, and two connecting bolts are fixedly connected to the inner wall of the installation ring.

[0014] In summary, this application includes the following beneficial technical effects:

[0015] 1. By mounting a bracket on the surface of the sensor body, two fixing bolts are installed on the inner wall of the bracket. Several locking blocks are fixedly installed on the top of the fixing bolts, and a fixing plate is engaged with the surface of the locking blocks to fix the rotation angle of the sensor body. A limit spring is installed on the top of the fixing plate, and a fixing ring is connected to the top of the limit spring to engage the fixing plate with the locking blocks. Two limit blocks are installed on the surface of the sensor body to limit the movement of the fixing plate. Compared with the existing technology, this method effectively improves the stability of the temperature sensor after installation, thereby improving the anti-interference capability of the temperature sensor.

[0016] 2. A rubber shield can also be installed on the surface of the detection probe to shield the connection between the threaded block and the reaction equipment. A limit cylinder is installed at the bottom of the shield, and a push spring is installed at the bottom of the limit cylinder to push the limit cylinder and keep the shield in contact with the inner wall of the reaction equipment. A connecting cylinder is slidably connected to the bottom of the limit cylinder to shield the surface of the push spring. An installation ring is installed on the inner wall of the shield, and two connecting bolts are fixedly connected to the surface of the installation ring to facilitate cleaning and replacement of the installation ring after the connecting bolts are removed; this effectively improves the performance of the device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the waterborne polyurethane polymerization reaction anti-interference temperature sensor installation structure in the application embodiment;

[0018] Figure 2 This is a schematic diagram of the mounting bracket structure in an embodiment of the application;

[0019] Figure 3 This is a side view of the embodiment of the application.

[0020] Figure 4 This is a schematic diagram of the structure at point A in the embodiment of the application.

[0021] Explanation of reference numerals in the attached drawings: 1. Sensor body; 2. Threaded block; 3. Detection probe; 4. Mounting bracket; 5. Fixing bolt; 6. Clamping block; 7. Fixing disc; 8. Limiting spring; 9. Fixing ring; 10. Limiting block; 11. Covering disc; 12. Limiting cylinder; 13. Push spring; 14. Connecting cylinder; 15. Mounting ring; 16. Connecting bolt. Detailed Implementation

[0022] The following is in conjunction with the appendix Figure 1 —4. This application will be described in further detail.

[0023] This application discloses an anti-interference installation structure for a waterborne polyurethane polymerization reaction temperature sensor, referring to... Figure 1 - Figure 2 The system includes a sensor body 1. During installation, the sensor body 1 is mounted on the surface of the reaction equipment using a threaded block 2. A detection probe 3 is installed at the bottom of the sensor body 1 and is mounted on the inner wall of the reaction equipment. The detection probe 3 converts the temperature signal into a measurable electrical signal through the thermoelectric effect. A mounting bracket 4 is mounted on the surface of the sensor body 1. Two fixing bolts 5 are installed on the inner wall of the mounting bracket 4. The surfaces of the fixing bolts 5 are threaded to the reaction equipment. Several locking blocks 6 are fixedly installed on the top of the fixing bolts 5. A fixing plate 7 is engaged with the surface of the locking blocks 6. The interior of the fixing plate 7 is connected to the surface of the sensor body 1. The rotation angle of the sensor body 1 is fixed by the locking blocks 6 and the fixing plate 7, which effectively improves the stability of the temperature sensor after installation, thereby improving the anti-interference ability of the temperature sensor and preventing the problem of the sensor body 1 loosening due to the separation of the threaded block 2 from the reaction equipment.

[0024] Reference Figure 2 A limiting spring 8 is installed on the top of the fixed plate 7. A fixing ring 9 is connected to the top of the limiting spring 8. The inside of the fixing ring 9 is connected to the surface of the sensor body 1. The limiting spring 8 pushes the fixed plate 7 to engage with the locking block 6, thereby ensuring the fixing effect of the sensor body 1. Two limiting blocks 10 are installed on the surface of the sensor body 1. The surface of the limiting blocks 10 is slidably connected to the inside of the fixed plate 7. The limiting blocks 10 restrict the movement of the fixed plate 7, avoiding the problem that the fixed plate 7 cannot be limited due to rotation.

[0025] Reference Figure 3 - Figure 4A rubber shielding plate 11 is installed on the surface of the detection probe 3. The surface of the shielding plate 11 is connected to the inner wall of the reaction equipment. The shielding plate 11 shields the connection between the threaded block 2 and the reaction equipment, thereby preventing the processing material from leaking out from the connection between the threaded block 2 and the reaction equipment, effectively improving the sealing performance of the threaded block 2 and the reaction equipment. A limiting cylinder 12 is installed at the bottom of the shielding plate 11, and a push spring 13 is installed at the bottom of the limiting cylinder 12. The push spring 13 pushes the limiting cylinder 12, pushing the limiting cylinder 12 against the bottom of the shielding plate 11, thereby keeping the shielding plate 11 in contact with the inner wall of the reaction equipment to ensure the shielding performance. The shielding effect of the baffle 11 is achieved by a connecting cylinder 14 slidably connected to the bottom end of the limiting cylinder 12. The interior of the connecting cylinder 14 is fixedly installed on the surface of the detection probe 3. The connecting cylinder 14 and the limiting cylinder 12 shield the surface of the push spring 13, thereby preventing the processing material from corroding the surface of the push spring 13. An installation ring 15 is installed on the inner wall of the shielding plate 11. The inner wall of the installation ring 15 is snapped into the surface of the detection probe 3. Two connecting bolts 16 are fixedly connected to the surface of the installation ring 15. The installation ring 15 is fixed to the surface of the sensor body 1 by means of the connecting bolts 16. The installation ring 15 can be easily cleaned and replaced after the connecting bolts 16 are removed.

[0026] The implementation principle of the waterborne polyurethane polymerization reaction anti-interference temperature sensor mounting structure in this application embodiment is as follows: The mounting bracket 4 is installed on the surface of the sensor body 1. Two fixing bolts 5 are installed on the inner wall of the mounting bracket 4. The surfaces of the fixing bolts 5 are threadedly connected to the reaction equipment. Several locking blocks 6 are fixedly installed on the top of the fixing bolts 5. A fixing plate 7 is engaged with the surface of the locking blocks 6. The interior of the fixing plate 7 is connected to the surface of the sensor body 1, so as to fix the rotation angle of the sensor body 1 by means of the locking blocks 6 and the fixing plate 7, thereby preventing the threaded block 2 from separating from the reaction equipment and causing the sensor body 1 to loosen. To address this issue, a limiting spring 8 is installed on the top of the fixed disk 7, and a fixing ring 9 is connected to the top of the limiting spring 8. The inside of the fixing ring 9 is connected to the surface of the sensor body 1, so that the fixed disk 7 can be pushed by the limiting spring 8, thereby engaging the fixed disk 7 with the locking block 6 to ensure the fixing effect of the sensor body 1. Two limiting blocks 10 are installed on the surface of the sensor body 1, and the surface of the limiting blocks 10 is slidably connected to the inside of the fixed disk 7, so that the movement position of the fixed disk 7 can be restricted by the limiting blocks 10, avoiding the problem that the fixed disk 7 cannot be limited due to rotation.

[0027] A rubber shielding plate 11 can also be installed on the surface of the detection probe 3. The surface of the shielding plate 11 is connected to the inner wall of the reaction equipment, so as to shield the connection between the threaded block 2 and the reaction equipment, thereby preventing the processing material from leaking out from the connection between the threaded block 2 and the reaction equipment, effectively improving the sealing performance between the threaded block 2 and the reaction equipment. A limiting cylinder 12 is installed at the bottom end of the shielding plate 11, and a push spring 13 is installed at the bottom end of the limiting cylinder 12, so as to push the limiting cylinder 12 with the push spring 13, pushing the limiting cylinder 12 against the bottom end of the shielding plate 11, thereby keeping the shielding plate 11 in contact with the inner wall of the reaction equipment to ensure... The shielding effect of the shielding plate 11 is achieved by sliding a connecting cylinder 14 at the bottom end of the limiting cylinder 12. The interior of the connecting cylinder 14 is fixedly installed on the surface of the detection probe 3, so as to shield the surface of the push spring 13 with the help of the connecting cylinder 14 and the limiting cylinder 12, thereby avoiding corrosion of the surface of the push spring 13 by the processing material. An installation ring 15 is installed on the inner wall of the shielding plate 11. The inner wall of the installation ring 15 is snapped into the surface of the detection probe 3, and two connecting bolts 16 are fixedly connected to the surface of the installation ring 15, so as to fix the installation ring 15 to the surface of the sensor body 1 with the help of the connecting bolts 16. After the connecting bolts 16 are removed, it is convenient to clean and replace the installation ring 15.

[0028] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An anti-interference mounting structure for a waterborne polyurethane polymerization reaction temperature sensor, comprising a sensor body (1) and a mounting bracket (4), characterized in that: A threaded block (2) is fixedly installed at the bottom of the sensor body (1), and a detection probe (3) is fixedly connected to the bottom of the threaded block (2). The center of the detection probe (3) and the center of the threaded block (2) are on the same straight line. Two fixing bolts (5) are clamped to the inner wall of the mounting bracket (4), and several clamping blocks (6) are fixedly connected to the top of the mounting bracket (4). A fixing plate (7) is clamped to the surface of the clamping block (6).

2. The mounting structure for the waterborne polyurethane polymerization reaction anti-interference temperature sensor according to claim 1, characterized in that: The inner wall of the mounting bracket (4) is slidably connected to the surface of the sensor body (1), the two fixing bolts (5) are symmetrically distributed about the mounting bracket (4), and the several locking blocks (6) are arranged in a circular array about the center of the sensor body (1).

3. The mounting structure for the waterborne polyurethane polymerization reaction anti-interference temperature sensor according to claim 1, characterized in that: The inner wall of the fixed disk (7) is slidably connected to the surface of the sensor body (1), and a limiting spring (8) is fixedly installed on the top of the fixed disk (7). The center of the limiting spring (8) is on the same straight line as the center of the fixed disk (7), and a fixing ring (9) is fixedly connected to the top of the limiting spring (8). The inner wall of the fixing ring (9) is fixedly installed to the surface of the sensor body (1).

4. The mounting structure for the waterborne polyurethane polymerization reaction anti-interference temperature sensor according to claim 1, characterized in that: Two limiting blocks (10) are fixedly connected to the surface of the sensor body (1). The two limiting blocks (10) are symmetrically distributed about the sensor body (1) as an axis, and the surface of the limiting blocks (10) is slidably installed with respect to the inner wall of the fixed disk (7).

5. The mounting structure for the waterborne polyurethane polymerization reaction anti-interference temperature sensor according to claim 1, characterized in that: The detection probe (3) is fitted with a shielding plate (11), the inner wall of the shielding plate (11) is interference-fitted with the surface size of the sensor body (1), and the shielding plate (11) is a rubber ring.

6. The mounting structure for the waterborne polyurethane polymerization reaction anti-interference temperature sensor according to claim 5, characterized in that: A limiting cylinder (12) is movably installed at the bottom end of the shielding plate (11), and a push spring (13) is fixedly connected to the bottom end of the limiting cylinder (12). The center of the push spring (13) and the center of the limiting cylinder (12) are on the same straight line.

7. The mounting structure for the waterborne polyurethane polymerization reaction anti-interference temperature sensor according to claim 6, characterized in that: A connecting cylinder (14) is slidably installed at the bottom end of the limiting cylinder (12). The inner wall of the connecting cylinder (14) is fixedly connected to the surface of the detection probe (3), and the size of the surface of the connecting cylinder (14) is compatible with the size of the inner wall of the limiting cylinder (12).

8. The mounting structure for the waterborne polyurethane polymerization reaction anti-interference temperature sensor according to claim 5, characterized in that: An installation ring (15) is fixedly installed inside the shielding plate (11). The inner wall of the installation ring (15) is engaged with the surface of the detection probe (3), and two connecting bolts (16) are fixedly connected to the inner wall of the installation ring (15).

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