Detector for rapidly detecting flash point

Abstract

The utility model provides a detector for quickly detecting a flash point, which comprises an experiment cup, a connecting mechanism and a heat insulation sleeve are respectively arranged on the outer side of the experiment cup, a top cover is arranged at the top of the experiment cup, and a stirring mechanism, a temperature display panel, a gas outlet pipe and a gas nozzle are respectively arranged at the top of the top cover. A heating rod is arranged at the bottom of the top cover, and a temperature sensing probe is arranged at the bottom of the temperature display panel. The detector for rapidly detecting the flash point provided by the utility model solves the problems that although an existing device achieves the purpose of detecting the flash point of lubricating oil, stirring blades in the device are inconvenient to disassemble, so that a heating pipe and the stirring blades need to be integrally replaced when the stirring blades are damaged after long-term use, and the cost is high. And the use cost is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flash point detection of lubricating oil, in particular to a detector for quickly detecting flash point. Background Art

[0002] Lubricating oil is a common product used to quickly lubricate the movable connection parts of machinery. It has the effect of reducing wear and friction resistance. However, lubricating oil is flammable. In order to ensure the safe use of lubricating oil, it is necessary to determine the flash point of the lubricating oil in advance to ensure the safe use of the lubricating oil.

[0003] The patent document with announcement number: CN214041227U discloses "a flash point detection device for lubricating oil", which involves setting up an experimental cup with a heating component, and using a heating tube inserted into the lubricating oil with a stirring blade to directly heat the lubricating oil. The heating efficiency can be improved, the heating can be made more uniform, the heat loss can be reduced, the heating time can be shortened, the detection efficiency can be improved, the detection energy consumption can be reduced, and the overall structure is small, easy to carry, and the heat transfer medium is small, the temperature control is precise, and the detection accuracy is high.

[0004] Although the device achieves the purpose of flash point detection of lubricating oil, the stirring blades inside the device are inconvenient to disassemble. This results in the need to replace the heating tube and stirring blades as a whole when the stirring blades are damaged after long-term use, which greatly increases the cost of use. Therefore, it is necessary to provide a detector for rapid flash point detection that is easy to maintain in the later stage to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a detector for quickly detecting flash point which is convenient for later maintenance.

[0006] The utility model provides a detector for rapid flash point detection, comprising an experimental cup, the outer sides of which are respectively provided with a connecting mechanism and a heat preservation sleeve, the top of which is provided with a top cover, the top of which is respectively provided with a stirring mechanism, a temperature display panel, an air outlet pipe and a gas nozzle, a heating rod is installed at the bottom of the top cover, and a temperature sensing probe is arranged at the bottom of the temperature display panel.

[0007] In order to improve the connection stability between the top cover and the experimental cup, the utility model provides a detector for quickly detecting flash point. Preferably, the connecting mechanism includes a connecting block, the top of the connecting block is fixedly connected to the outer side of the top cover, the outer side of the connecting block is slidably connected to a connecting frame, the inner cavity of the connecting block is welded with a spring, one end of the spring is welded with a clamping block, and one side of the connecting frame is fixedly connected to the outer side of the experimental cup.

[0008] In order to improve the heat preservation effect of the experimental cup, the utility model provides a detector for quickly detecting the flash point. Preferably, the heat preservation cover comprises an inner heat preservation cover and an outer heat preservation cover, and an insulation layer is arranged between the inner heat preservation cover and the outer heat preservation cover.

[0009] In order to stir the lubricating oil, the utility model provides a detector for quickly detecting the flash point. Preferably, the stirring mechanism includes a motor, the motor is installed on the top of the top cover, the output shaft of the motor is fixedly connected with a fixing sleeve, the inner cavity of the fixing sleeve is provided with a stirring shaft, the inner cavity of the stirring shaft is provided with a fixing rod, and the outer side of the fixing rod is threadedly connected with a fixing nut.

[0010] In order to improve the stability of the stirring shaft, the utility model provides a detector for quickly detecting flash point. Preferably, the outer side of the stirring shaft is fixedly connected to a limit strip, and the outer side of the limit strip is slidably connected to the inner wall of the fixed sleeve.

[0011] In order to improve the stability of the top cover, the utility model provides a detector for quickly detecting flash point. Preferably, a stabilizing rod is fixedly connected to the bottom of the top cover, and a stabilizing groove used in conjunction with the stabilizing rod is provided on the top of the experimental cup, and the stabilizing rod is snap-connected to the stabilizing groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The detector for rapid flash point detection solves the problem that although the current device can achieve the purpose of flash point detection of lubricating oil, the stirring blades in the device are inconvenient to disassemble, which leads to the need to replace the heating tube and stirring blades as a whole when the stirring blades are damaged after long-term use, which greatly increases the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of a detector for rapid flash point detection provided by the utility model;

[0015] Figure 2 It is a partial structural sectional view of the utility model;

[0016] Figure 3 It is a structural cross-sectional view of the connection mechanism of the utility model;

[0017] Figure 4 This is a structural cross-sectional view of the fixed sleeve and the stirring shaft of the utility model;

[0018] Figure 5 It is a top view of the structure section of the thermal insulation cover of the utility model.

[0019] Numbers in the figure: 1. Experimental cup; 2. Connecting mechanism; 201. Connecting block; 202. Connecting frame; 203. Spring; 204. Block; 3. Insulation sleeve; 301. Inner insulation sleeve; 302. Outer insulation sleeve; 303. Insulation layer; 4. Top cover; 5. Stirring mechanism; 501. Motor; 502. Fixed sleeve; 503. Stirring shaft; 504. Fixed rod; 505. Fixed nut; 6. Temperature display panel; 7. Exhaust pipe; 8. Gas nozzle; 9. Temperature sensor; 10. Heating rod; 11. Limiting strip; 12. Stabilizing rod; 13. Stabilizing groove. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in Figure 1 A schematic structural diagram of a preferred embodiment of a detector for rapid flash point detection provided by the utility model; Figure 2 It is a partial structural sectional view of the utility model; Figure 3 It is a structural cross-sectional view of the connection mechanism of the utility model; Figure 4 This is a structural cross-sectional view of the fixed sleeve and the stirring shaft of the utility model; Figure 5 A tester for rapid flash point detection includes a test cup 1, a connection mechanism 2 and a heat preservation sleeve 3 are arranged on the outside of the test cup 1, a top cover 4 is arranged on the top of the test cup 1, a stirring mechanism 5, a temperature display panel 6, an air outlet pipe 7 and a gas nozzle 8 are arranged on the top of the top cover 4, a heating rod 10 is arranged on the bottom of the top cover 4, and a temperature sensing probe 9 is arranged on the bottom of the temperature display panel 6.

[0022] In this embodiment: the temperature sensing probe 9 is electrically connected to the temperature display panel 6. When the flash point of the lubricating oil is detected, the lubricating oil is poured into the interior of the experimental cup 1, and then the lubricating oil is heated by the heating rod 10, and at the same time, the stirring mechanism 5 stirs the lubricating oil. The volatile gas of the lubricating oil is discharged through the outlet pipe 7 and ignited by the gas nozzle 8. The flash point of the lubricating oil can be tested, and the heating temperature of the lubricating oil can be checked through the temperature display panel 6 and the temperature sensing probe 9.

[0023] As a technical optimization solution of the utility model, the connecting mechanism 2 includes a connecting block 201, the top of the connecting block 201 is fixedly connected to the outer side of the top cover 4, the outer side of the connecting block 201 is slidably connected to a connecting frame 202, the inner cavity of the connecting block 201 is welded with a spring 203, one end of the spring 203 is welded with a clamping block 204, and one side of the connecting frame 202 is fixedly connected to the outer side of the experimental cup 1.

[0024] In this embodiment, after the lubricating oil is poured into the experimental cup 1, the user can cover the top cover 4 on the top of the experimental cup 1. During the process of the top cover 4 covering the top of the experimental cup 1, the connecting block 201 can be inserted into the connecting frame 202. During the process of the connecting block 201 being inserted into the connecting frame 202, the clamping block 204 is squeezed by the inner wall of the connecting frame 202, and is retracted into the connecting block 201 while squeezing the spring 203. After the bottom of the top cover 4 is completely in contact with the top of the experimental cup 1, the clamping block 204 just moves To the card hole on one side of the connecting frame 202, it is inserted into the card hole under the elastic force of the spring 203, and the top cover 4 is stably fixed on the top of the experimental cup 1, which is convenient for subsequent detection work. When separating the top cover 4 from the experimental cup 1, press the card block 204 into the inside of the connecting block 201, and then move the top cover 4 upward. A guide rod is also fixed to the inner cavity of the connecting block 201. The outer side of the guide rod is slidably connected to the inner cavity of the card block 204, which can guide the card block 204 and improve the stability of the card block 204.

[0025] As a technical optimization solution of the utility model, the insulation sleeve 3 includes an inner insulation sleeve 301 and an outer insulation sleeve 302 , and a heat insulation layer 303 is arranged between the inner insulation sleeve 301 and the outer insulation sleeve 302 .

[0026] In this embodiment: the heat insulation layer 303 is made of polyurethane rigid foam, which has excellent heat insulation effect and ultra-low temperature thermal conductivity. When the heating rod 10 heats the lubricating oil inside the experimental cup 1, the heat loss of the experimental cup 1 can be reduced, thereby improving the heating effect of the heating rod 10.

[0027] As a technical optimization solution of the utility model, the stirring mechanism 5 includes a motor 501, which is installed on the top of the top cover 4. The output shaft of the motor 501 is fixedly connected to a fixed sleeve 502. The inner cavity of the fixed sleeve 502 is provided with a stirring shaft 503. The inner cavity of the stirring shaft 503 is provided with a fixing rod 504. The outer side of the fixing rod 504 is threadedly connected with a fixing nut 505.

[0028] In this embodiment: when the stirring shaft 503 is damaged, the user can first separate the top cover 4 from the experimental cup 1, and then rotate the fixing nuts 505 to remove the two fixing nuts 505 from the outside of the fixing rod 504, and then pull the fixing rod 504 out of the stirring shaft 503 to release the fixation of the stirring shaft 503, and then pull the stirring shaft 503 out of the fixing sleeve 502, so that the user can easily inspect and replace the stirring shaft 503.

[0029] As a technical optimization solution of the present invention, the outer side of the stirring shaft 503 is fixedly connected to the limit strip 11 , and the outer side of the limit strip 11 is slidably connected to the inner wall of the fixed sleeve 502 .

[0030] In this embodiment: two limit strips 11 are arranged on the outer side of the stirring shaft 503, and the two limit strips 11 are symmetrically arranged. The inner wall of the fixed sleeve 502 is provided with a limit groove used in conjunction with the limit strips 11. By setting the limit strips 11, the connection stability between the stirring shaft 503 and the fixed sleeve 502 is improved.

[0031] As a technical optimization solution of the utility model, a stabilizing rod 12 is fixedly connected to the bottom of the top cover 4, and a stabilizing groove 13 used in conjunction with the stabilizing rod 12 is opened on the top of the experimental cup 1, and the stabilizing rod 12 is snap-fitted to the stabilizing groove 13.

[0032] In this embodiment, by providing the stabilizing rod 12 and the stabilizing groove 13 , the connection stability between the top cover 4 and the experimental cup 1 is improved.

[0033] The working principle of a detector for rapid flash point detection provided by the utility model is as follows:

[0034] When testing the flash point of the lubricating oil, pour the lubricating oil into the interior of the experimental cup 1, then heat the lubricating oil through the heating rod 10, and at the same time, the motor 501 works to drive the stirring shaft 503 to stir the lubricating oil, and the volatile gas of the lubricating oil is discharged through the outlet pipe 7 and ignited through the gas nozzle 8, so that the flash point of the lubricating oil can be tested. The heating temperature of the lubricating oil can be checked through the temperature display panel 6 and the temperature sensing probe 9. When the stirring shaft 503 is damaged, the user can first separate the top cover 4 from the experimental cup 1, and then rotate the fixing nut 505, remove the two fixing nuts 505 from the outside of the fixing rod 504, and then pull the fixing rod 504 out of the stirring shaft 503 to release the fixation of the stirring shaft 503, and then pull the stirring shaft 503 out of the fixing sleeve 502, so that the user can easily inspect and replace the stirring shaft 503.

[0035] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A detector for rapid detection of flash point, characterized in that: The invention comprises an experimental cup (1), wherein a connecting mechanism (2) and a heat-insulating sleeve (3) are respectively arranged on the outer side of the experimental cup (1), a top cover (4) is arranged on the top of the experimental cup (1), a stirring mechanism (5), a temperature display panel (6), an air outlet pipe (7) and a gas nozzle (8) are respectively arranged on the top of the top cover (4), a heating rod (10) is arranged on the bottom of the top cover (4), and a temperature sensing probe (9) is arranged on the bottom of the temperature display panel (6).

2. The detector for rapid flash point detection according to claim 1, characterized in that: The connection mechanism (2) comprises a connection block (201), the top of the connection block (201) is fixedly connected to the outer side of the top cover (4), the outer side of the connection block (201) is slidably connected to a connection frame (202), the inner cavity of the connection block (201) is welded with a spring (203), one end of the spring (203) is welded with a clamping block (204), and one side of the connection frame (202) is fixedly connected to the outer side of the experimental cup (1).

3. The detector for rapid flash point detection according to claim 1, characterized in that: The thermal insulation sleeve (3) comprises an inner thermal insulation sleeve (301) and an outer thermal insulation sleeve (302), and a thermal insulation layer (303) is provided between the inner thermal insulation sleeve (301) and the outer thermal insulation sleeve (302).

4. The detector for rapid flash point detection according to claim 1, characterized in that: The stirring mechanism (5) comprises a motor (501), wherein the motor (501) is mounted on the top of the top cover (4), wherein the output shaft of the motor (501) is fixedly connected to a fixing sleeve (502), wherein the inner cavity of the fixing sleeve (502) is provided with a stirring shaft (503), wherein the inner cavity of the stirring shaft (503) is provided with a fixing rod (504), and the outer side of the fixing rod (504) is threadedly connected to a fixing nut (505).

5. The detector for rapid flash point detection according to claim 4, characterized in that: The outer side of the stirring shaft (503) is fixedly connected to a limit strip (11), and the outer side of the limit strip (11) is slidably connected to the inner wall of the fixed sleeve (502).

6. The detector for rapid flash point detection according to claim 1, characterized in that: The bottom of the top cover (4) is fixedly connected with a stabilizing rod (12), the top of the experimental cup (1) is provided with a stabilizing groove (13) used in conjunction with the stabilizing rod (12), and the stabilizing rod (12) is snap-fitted with the stabilizing groove (13).

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