Corrosion-resistant furnace temperature tester
By designing a corrosion-resistant furnace temperature tester and using a sealed cover, threaded rod and sleeve structure, the corrosion problems of motor positioning and temperature measuring rod in high temperature environments are solved, accurate measurement and protection are achieved, and safety and life are improved.
Patent Information
- Application Number
- CN202422289021.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-09-19
AI Technical Summary
现有炉温测试仪在高温环境下易受限,电机定位要求高且测温棒易氧化腐蚀,影响测量精度。
A corrosion-resistant furnace temperature tester is designed, using a sealed cover, threaded rod, distance measuring rod and sleeve structure, which is fixed to the furnace wall by bolts, and the temperature measuring rod is protected by insulating rods and sleeves to achieve multi-point measurement and protection.
Improve measurement accuracy and safety, avoid burns from operators, and extend the service life of the temperature measuring rod.
Smart Images

Figure CN223077774U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of furnace temperature testing, and particularly relates to a corrosion-resistant furnace temperature tester. Background Technique
[0002] In many industries such as electronics, spraying, glass, steel, solar sintering furnace, automobile body spraying, aluminum, dacromet, etc., the curve change of the temperature inside the furnace is related to the quality and effectiveness of the processed products. Therefore, the furnace temperature is monitored by a furnace temperature tester.
[0003] Chinese Patent with publication number CN220454731U discloses a corrosion-resistant furnace temperature tester for a vacuum coating device, including a furnace wall body. An installation seat is fixedly connected to the inner wall of the furnace wall body, and a multi-position temperature convenient detection mechanism is arranged in the installation seat; the protection box is slidably clamped on one side of the inner wall of the protection shell through a limiting plate, and a disassembly and assembly component is arranged on the protection box. Then, by starting the air cylinder, under the action of the push plate, the protection box can be driven to move horizontally inside the protection shell. Therefore, the furnace temperature tester is placed inside the protection box, so that the furnace temperature tester can conveniently perform real-time detection on different horizontal positions, making the detection range more comprehensive. Through the protection cover plate, the first layer of protection can be formed for the furnace temperature tester. After the furnace temperature tester is placed in the protection box and the cover plate is clamped, through the heat conduction of the heat conduction rod, the detection accuracy of the furnace temperature tester is better.
[0004] It drives the movement of the thermometer body by a motor. Since the temperature inside the furnace is relatively high, generally, the motor is limited in operation under high-temperature conditions. Therefore, the product positioning requirements for the motor are relatively high. At the same time, when the temperature measuring rod is not in use, it is exposed for a long time, which is easy to cause oxidation and corrosion of the temperature measuring rod, affecting the measurement accuracy. Content of the Utility Model
[0005] The present utility model provides a corrosion-resistant furnace temperature tester to solve the technical problems raised in the above background technique.
[0006] To solve the above technical problems, a corrosion-resistant furnace temperature tester provided by the present utility model includes a sealing cover. Clamping seats are fixedly installed on both sides of the sealing cover. A threaded rod is rotatably installed at the middle position of the sealing cover. A handle is detachably installed at the top of the threaded rod. Distance measuring rods are arranged on both sides of the threaded rod. A tester body is fixedly installed at the bottom of the distance measuring rod. The tester body is electrically connected to an external power supply. The bottom of the threaded rod is rotatably installed on the top of the tester body. A temperature measuring rod is fixedly installed at the output end of the tester body. A sleeve is sleeved outside the temperature measuring rod.
[0007] Preferably, a threaded hole is provided in the middle of the sealing cover, the threaded rod is meshed with the sealing cover through the threaded hole, through holes are provided on both sides of the sealing cover along the threaded hole, and the distance measuring rod is slidably arranged in the through holes.
[0008] Preferably, a limiting block is fixedly installed at the top of the distance measuring rod, and measuring scales are provided on the outer side of the distance measuring rod.
[0009] Preferably, a clamping groove is provided below the clamping seat, threaded through holes are provided on the outer side of the clamping seat, bolts are provided in the threaded through holes, the threaded rod is meshed with the threaded through holes, a fixing plate is provided in the clamping groove, and the inner side of the fixing plate is rotatably connected to the top of the bolt.
[0010] Preferably, a temperature measuring rod is provided below the tester body, the temperature measuring rod is electrically connected to the tester body, and a plurality of the temperature measuring rods are provided, and the plurality of temperature measuring rods are arranged at equal intervals at the output end of the tester body.
[0011] Preferably, a sleeve is provided below the temperature measuring rod, a limiting rod is fixedly installed at the top of the sleeve, a plurality of the limiting rods are provided, the plurality of limiting rods are symmetrically arranged along the center line of the sleeve, blind holes are provided at the corresponding positions of the lower part of the tester body and the limiting rods, the limiting rods are arranged in the blind holes, and the blind holes and the limiting rods are in transitional fit.
[0012] Preferably, the handle includes a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are clamped at the relative positions, and heat insulation rods are fixedly installed at the rear sides of the first connecting rod and the second connecting rod.
[0013] Preferably, a torsion groove is provided inside the first connecting rod, an assembly hole is provided outside the first connecting rod, the assembly hole is square, the assembly hole penetrates through the torsion groove, a buckle is fixedly installed at the top of the second connecting rod, the buckle corresponds to the assembly hole and is square, and the buckle is clamped in the torsion groove.
[0014] The utility model has the following advantages compared with the prior art:
[0015] 1. For a corrosion-resistant furnace temperature tester of the utility model, during use, open the temperature measuring port of the furnace body, insert the end with the tester body installed into the furnace body, clamp the clamping seat on the furnace wall, rotate the bolt, the bolt rotates along the threaded hole and penetrates into the clamping groove, the bolt is rotatably connected with the fixing plate, thereby pushing the fixing plate, and the fixing plate clamps the furnace wall, so that the sealing cover can be fixed, and the installation is simple and convenient.
[0016] 2. A corrosion-resistant furnace temperature tester of the present utility model inserts link one into the opening at the top of the threaded rod. Then, align the buckle at the top of link two with the assembly hole and insert it into the torsion groove. Rotate link two until the buckle is perpendicular to the assembly hole, and the buckle can be installed inside link one. The installation is simple, avoiding scalding of operators caused by temperature transmission. Rotate the handle, and the handle drives the threaded rod to rotate. The threaded rod pushes the tester body downward, so that the temperature at different heights inside the furnace can be measured, improving the accuracy. At the same time, a ranging rod is provided, and measuring scales are arranged on the outer side of the ranging rod, so that the height of the depth can be visually observed, facilitating real-time recording of data.
[0017] 3. A corrosion-resistant furnace temperature tester of the present utility model is equidistantly provided with a plurality of temperature measuring rods, which can simultaneously measure the average temperature at the horizontal position, improving the measurement accuracy. And a sleeve is arranged on the outer side of the temperature measuring rod, and the sleeve can protect the temperature measuring rod, avoiding oxidation and corrosion when not in use and improving the service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is a structural diagram of a corrosion-resistant furnace temperature tester of the present utility model;
[0019] Figure 2 is a structural diagram of the tester body in a corrosion-resistant furnace temperature tester of the present utility model;
[0020] Figure 3 is a structural diagram of the sealing cover in a corrosion-resistant furnace temperature tester of the present utility model;
[0021] Figure 4 is a structural diagram of the handle in a corrosion-resistant furnace temperature tester of the present utility model;
[0022] Reference numerals in the figures: 1. Sealing cover; 2. Ranging rod; 3. Limit block; 4. Threaded rod; 5. Handle; 6. Card seat; 7. Bolt; 8. Fixed plate; 9. Card slot; 10. Tester body; 11. Measuring scale; 12. Blind hole; 13. Temperature measuring rod; 14. Limit rod; 15. Sleeve; 16. Heat insulation rod; 17. Link one; 18. Torsion groove; 19. Assembly hole; 20. Buckle; 21. Link two. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] Please refer to Figures 1-4, the present utility model provides a technical solution: a corrosion-resistant furnace temperature tester, which includes a sealing cover 1. Clamping seats 6 are fixedly installed on both sides of the sealing cover 1. A threaded rod 4 is rotatably installed at the middle position of the sealing cover 1. A handle 5 is detachably installed at the top of the threaded rod 4. Measuring rods 2 are arranged on both sides of the threaded rod 4. A tester body 10 is fixedly installed at the bottom of the measuring rod 2. The tester body 10 is electrically connected to an external power supply. The bottom of the threaded rod 4 is rotatably installed on the top of the tester body 10. A temperature measuring rod 13 is fixedly installed at the output end of the tester body 10. A sleeve 15 is sleeved outside the temperature measuring rod 13.
[0024] Further, a threaded hole is opened in the middle of the sealing cover 1. The threaded rod 4 is meshed with the sealing cover 1 through the threaded hole. Through holes are opened on both sides of the sealing cover 1 along the threaded hole. The measuring rod 2 is slidably arranged in the through holes.
[0025] Further, a limiting block 3 is fixedly installed at the top of the measuring rod 2. Measuring scales 11 are arranged outside the measuring rod 2.
[0026] Further, a clamping groove 9 is opened below the clamping seat 6. A threaded through hole is opened outside the clamping seat 6. A bolt 7 is arranged in the threaded through hole. The threaded rod 7 is meshed with the threaded through hole. A fixing plate 8 is arranged in the clamping groove 9. The inner side of the fixing plate 8 is rotatably connected to the top of the bolt 7.
[0027] Further, a temperature measuring rod 13 is arranged below the tester body 10. The temperature measuring rod 13 is electrically connected to the tester body 10. And a plurality of temperature measuring rods 13 are arranged. The plurality of temperature measuring rods 13 are equidistantly arranged at the output end of the tester body 10.
[0028] Further, a sleeve 15 is arranged below the temperature measuring rod 13. A limiting rod 14 is fixedly installed at the top of the sleeve 15. A plurality of limiting rods 14 are arranged. The plurality of limiting rods 14 are symmetrically arranged along the center line of the sleeve 15. Blind holes 12 are opened at the corresponding positions below the tester body 10 and the limiting rods 14. The limiting rods 14 are arranged in the blind holes 12. And the blind holes 12 and the limiting rods 14 are in transitional fit.
[0029] Further, the handle 5 includes a connecting rod one 17 and a connecting rod two 21. The connecting rod one 17 and the connecting rod two 21 are clamped at the relative positions. Heat insulation rods 16 are fixedly installed at the rear sides of the connecting rod one 17 and the connecting rod two 21.
[0030] Further, a torsion groove 18 is opened on the inner side of the connecting rod one 17. An assembly hole 19 is opened on the outer side of the connecting rod one 17. The assembly hole 19 is square-shaped. The assembly hole 19 penetrates through the torsion groove 18. A buckle 20 is fixedly installed at the top of the connecting rod two 21. The buckle 20 is square-shaped corresponding to the assembly hole 19. The buckle 20 is clamped in the torsion groove 18.
[0031] Working principle:
[0032] During use, open the temperature measuring port of the furnace body, insert one end where the tester body 10 is installed into the furnace body, engage the clamping seat 6 with the furnace wall, rotate the bolt 7, the bolt 7 rotates along the threaded hole and extends into the card slot 9, the bolt 7 is rotatably connected to the fixing plate 8, thereby pushing the fixing plate 8, and the fixing plate 8 clamps the furnace wall, so that the sealing cover 1 can be fixed. The installation is simple and convenient. Insert the first connecting rod 17 into the opening at the top of the threaded rod 4, then align the buckle 20 at the top of the second connecting rod 21 with the assembly hole 19 and insert it into and extend into the torsion groove 18, rotate the second connecting rod 21, when the buckle 20 is in a vertical position with the assembly hole 19, the buckle 20 can be installed inside the first connecting rod 17. The installation is simple and it can prevent operators from being scalded due to temperature transmission. Rotate the handle 5, the handle 5 drives the threaded rod 4 to rotate, and the threaded rod 4 pushes the tester body 10 to move downward, so that the temperature at different heights inside the furnace can be measured, improving the accuracy. At the same time, a ranging rod 2 is provided, and measuring scales 11 are arranged on the outer side of the ranging rod 2, so that the height of the depth can be visually observed, which is convenient for real-time recording of data. A plurality of temperature measuring rods 13 are equidistantly arranged, and the average temperature at the horizontal position can be measured simultaneously, improving the measurement accuracy. Moreover, a sleeve 15 is provided on the outer side of the temperature measuring rod 13, and the sleeve 15 can protect the temperature measuring rod 13 and prevent oxidation and corrosion when not in use, improving the service life.
Claims
1. A corrosion-resistant furnace temperature tester, comprising a sealing cover (1), characterized in that: Both sides of the sealing cover (1) are fixedly installed with clamping seats (6). A threaded rod (4) is rotatably installed at the middle position of the sealing cover (1). A handle (5) is detachably installed at the top of the threaded rod (4). On both sides of the threaded rod (4), there are ranging rods (2). The bottom of the ranging rod (2) is fixedly installed with a tester body (10). The tester body (10) is electrically connected to an external power supply. The bottom of the threaded rod (4) is rotatably installed on the top of the tester body (10). The output end of the tester body (10) is fixedly installed with a temperature measuring rod (13). A sleeve (15) is sleeved outside the temperature measuring rod (13).
2. The corrosion-resistant furnace temperature tester according to claim 1, wherein A threaded hole is opened in the middle of the sealing cover (1). The threaded rod (4) is meshed and connected with the sealing cover (1) through the threaded hole. Through holes are opened on both sides of the sealing cover (1) along the threaded hole. The ranging rod (2) is slidably arranged in the through holes.
3. The corrosion-resistant furnace temperature tester according to claim 1, wherein A limiting block (3) is fixedly installed at the top of the ranging rod (2). Measuring scales (11) are arranged outside the ranging rod (2).
4. A corrosion-resistant furnace temperature tester according to claim 1, characterized in that, A clamping groove (9) is opened below the clamping seat (6). A threaded through hole is opened outside the clamping seat (6). A bolt (7) is arranged in the threaded through hole. The bolt (7) is meshed with the threaded through hole. A fixing plate (8) is arranged in the clamping groove (9). The inner side of the fixing plate (8) is rotatably connected to the top of the bolt (7).
5. A corrosion-resistant furnace temperature tester according to claim 1, characterized in that, A temperature measuring rod (13) is arranged below the tester body (10). The temperature measuring rod (13) is electrically connected to the tester body (10). And there are multiple temperature measuring rods (13). The multiple temperature measuring rods (13) are arranged at equal intervals at the output end of the tester body (10).
6. The corrosion-resistant furnace temperature tester according to claim 1, wherein A sleeve (15) is arranged below the temperature measuring rod (13). A limiting rod (14) is fixedly installed at the top of the sleeve (15). There are multiple limiting rods (14). The multiple limiting rods (14) are symmetrically arranged along the center line of the sleeve (15). Blind holes (12) are opened at the corresponding positions below the tester body (10) for the limiting rods (14). The limiting rods (14) are arranged in the blind holes (12). And the blind holes (12) are in transitional fit with the limiting rods (14).
7. A corrosion-resistant furnace temperature tester according to claim 1, characterized in that, The handle (5) includes a connecting rod one (17) and a connecting rod two (21). The connecting rod one (17) and the connecting rod two (21) are clamped at the relative positions. Heat insulation rods (16) are fixedly installed at the rear sides of the connecting rod one (17) and the connecting rod two (21).
8. The corrosion-resistant furnace temperature tester according to claim 7, characterized in that, A torsion groove (18) is opened inside the connecting rod one (17). An assembly hole (19) is opened outside the connecting rod one (17). The assembly hole (19) is square. The assembly hole (19) penetrates through the torsion groove (18). A buckle (20) is fixedly installed at the top of the connecting rod two (21). The buckle (20) is square corresponding to the assembly hole (19). The buckle (20) is clamped in the torsion groove (18).
Citation Information
Patent Citations
Corrosion-resistant furnace temperature tester for vacuum coating equipment
CN220454731U