CN213181143U

CN213181143U - High-precision rotary viscometer

Info

Publication number: CN213181143U
Application number: CN202022359974.2U
Authority: CN
Inventors: 段戈扬; 冀辉; 何庆伟; 于兰
Original assignee: Kangshuo Electric Group Co ltd
Current assignee: Kangshuo Electric Group Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-05-11
Anticipated expiration: 2030-10-21

Abstract

The utility model relates to a field of viscosimeter, concretely relates to rotary viscosimeter of high accuracy, the on-line screen storage device comprises a base, fixedly connected with base on the base, fixed mounting has the staving on the base, is provided with the intermediate layer in the staving, and the staving outside is provided with inlet tube and the outlet pipe with the intermediate layer intercommunication, is provided with the end cover on inlet tube and the outlet pipe, be provided with the heating plate that is used for electric heating in the intermediate layer, be provided with the temperature sensor with heating plate electric connection in the staving, be provided with the bung on the staving, be. This application has the effect that can improve rotational viscometer's accuracy.

Description

High-precision rotary viscometer

Technical Field

The present application relates to the field of viscometers, and more particularly, to a rotational viscometer of high accuracy.

Background

The rotary viscometer is used for measuring the viscosity resistance and hydrodynamic viscosity of liquid, is widely used for measuring the viscosity of various fluids such as grease, paint, plastics, food, medicines, cosmetics, sticky products and the like, and is a precise instrument for monitoring and controlling the stable quality of products in production. When testing a sample, the rotor of the viscometer needs to be immersed in the sample to be tested for a long enough time so as to keep the temperature of the rotor and the temperature of the sample consistent and ensure that the viscosity value of the test is more accurate.

To the correlation technique among the above-mentioned, the utility model people think, the viscosity of some samples is influenced by the temperature greatly, and when the room temperature is lower, the rotor soaks in the sample, makes the temperature of sample reduce easily to the viscosity number value that leads to the test is not accurate enough.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy of a rotational viscometer, the present application provides a high accuracy rotational viscometer.

The application provides a rotational viscometer of high accuracy adopts following technical scheme:

the utility model provides a rotary viscometer of high accuracy, includes the base, fixedly connected with base on the base, fixed mounting has the staving on the base, is provided with the intermediate layer in the staving, and the staving outside is provided with inlet tube and the outlet pipe with the intermediate layer intercommunication, is provided with the end cover on inlet tube and the outlet pipe, be provided with the heating plate that is used for the electrical heating in the intermediate layer, be provided with the temperature sensor with heating plate electric connection in the staving, be provided with the bung on the staving, be provided with the through-hole on.

Through adopting above-mentioned technical scheme, before carrying out viscosity detection to the sample, cover the bung, discharge water in to the intermediate layer through the inlet tube, the range estimation makes water be full of the intermediate layer. Then adjust the temperature that temperature sensor responded to required temperature value, temperature sensor starts the heating plate and heats the water in the intermediate layer, and after the temperature reached temperature sensor's setting value in the staving, the heating plate stopped heating. Then the barrel cover is opened, the beaker containing the sample to be detected is placed in the barrel body, after the barrel cover is covered, the detection motor moves downwards along the upright post, the rotor moves downwards, penetrates through the through hole and is immersed in the sample to be detected, standing is carried out, the temperature of the rotor is consistent with that of the sample, and then the viscosity of the sample is detected. Can carry out constant temperature protection to the sample through setting up of staving, make the sample when measuring viscosity, temperature variation is less to the influence of testing result, makes the testing result more accurate.

Preferably, a stirring component for stirring water in the interlayer is arranged in the interlayer.

Through adopting above-mentioned technical scheme, can make the temperature of different positions relatively even through stirring the subassembly.

Preferably, the stirring subassembly is including setting up the horizontal pole of intermediate layer bottom, horizontal pole both ends fixedly connected with montant, fixedly connected with on the horizontal pole with the intermediate layer is close to the vertical axis of base one side rotation connection, install agitator motor in the base, agitator motor's axis body and vertical axis fixed connection.

Through adopting above-mentioned technical scheme, when agitator motor opened, agitator motor drove the vertical axis and rotates, and the vertical axis drives horizontal pole and montant and rotates to the realization is to the stirring of intermediate layer internal water.

Preferably, the base is in the staving both sides are provided with the dead lever respectively, the position that is close to the dead lever on the staving lateral wall is provided with the side opening respectively, the dead lever with be provided with the fixed subassembly to the beaker of splendid attire sample between the staving.

Through adopting above-mentioned technical scheme, can make the beaker fix through fixed subassembly, can prevent when examining test that sample viscosity is too big, the beaker rotates along with the sample.

Preferably, the fixing component comprises a threaded rod in threaded connection with the fixing rod, and the threaded rod passes through the side hole and is rotatably connected with an end piece through one end of the side hole.

Through adopting above-mentioned technical scheme, after the beaker was placed in the staving, twisted the threaded rod to the beaker direction, made two end pieces press from both sides the beaker tightly.

Preferably, the end plate is arc-shaped, and a rubber pad is arranged on one surface, far away from the threaded rod, of the end plate.

Through adopting above-mentioned technical scheme, the area of contact between arc end piece can increase end piece and the beaker, and the rubber pad can reduce the effort between end piece and the beaker.

Preferably, the barrel body is made of transparent materials.

Through adopting above-mentioned technical scheme, transparent material can be convenient for observe when soaking the sample to the rotor.

Preferably, a circle of concave table is arranged on the end face of one end of the opening of the barrel body, and the barrel cover is placed on the concave table.

By adopting the technical scheme, the barrel cover can be prevented from being separated from the barrel body after being installed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the barrel body can be used for protecting the sample at constant temperature, so that when the sample is used for detecting the viscosity, the influence of temperature change on a detection result is small, and the detection result is more accurate;

2. when agitator motor opened, agitator motor drove the vertical axis and rotates, and the vertical axis drives horizontal pole and montant and rotates to the realization can make the temperature of different positions more even to the stirring of intermediate layer internal water through stirring the subassembly.

Drawings

Fig. 1 is a schematic structural diagram of the present application.

FIG. 2 is a schematic structural view showing the inside of the tub.

Fig. 3 is a schematic structural view of the tub cover.

Fig. 4 is a schematic view of a structure embodying the interlayer.

Fig. 5 is a schematic structural view showing a fixing member.

Description of reference numerals: 1. a viscometer body; 11. a base; 12. a column; 13. detecting a motor; 14. a rotor; 2. a base; 3. a barrel body; 31. an interlayer; 32. a water inlet pipe; 33. a water outlet pipe; 34. an end cap; 35. a concave platform; 36. a barrel cover; 361. a through hole; 4. a beaker; 5. a heating plate; 6. a temperature sensor; 7. a cross bar; 71. a vertical rod; 72. a vertical axis; 8. fixing the rod; 9. a side hole; 10. a threaded rod; 101. an end piece; 1011. and (7) a rubber pad.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses rotational viscometer of high accuracy, refer to fig. 1 and fig. 2, including viscometer body 1, viscometer body 1 includes base 11, is provided with stand 12 on the base 11, is provided with the detection motor 13 of liftable on the stand 12, and the liftable that detects motor 13 is prior art. A rotor 14 is mounted at the end of the shaft of the detection motor 13.

When the viscosity of the sample is detected, firstly, the detection motor 13 is lifted along the upright post 12, then the beaker 4 for holding the sample is placed vertically below the rotor 14, then the detection motor 13 moves downwards along the upright post 12, the rotor 14 is completely immersed in the sample, and the sample is detected after standing for a period of time.

As shown in fig. 1 and 2, a base 2 is fixedly connected to the base 11, a cylindrical transparent barrel 3 is fixedly mounted on a side of the base 2 close to the column 12, and an opening is formed in one end of the barrel 3 far away from the base 2. The barrel body 3 is used for placing a beaker 4 for containing samples. The barrel body 3 is provided with an interlayer 31 (see fig. 3), a water inlet pipe 32 and a water outlet pipe 33 which are communicated with the interlayer 31 are arranged on the outer side surface of the barrel body 3 and are used for adding water and discharging water to the interlayer 31, and end covers 34 are respectively in threaded connection with the water inlet pipe 32 and the water outlet pipe 33. A circle of concave platform 35 is arranged at one end of the opening of the barrel body 3 facing one side of the opening of the barrel body 3, a barrel cover 36 is placed at one end of the opening of the barrel body 3, and the barrel cover 36 is placed on the concave platform 35. The recessed land 35 may make the lid 36 less likely to disengage from the tub 3. The barrel cover 36 is centrally provided with a through hole 361.

As shown in fig. 4, a heating sheet 5 for electrically heating water in the interlayer 31 is provided in the interlayer 31. The inner wall of the barrel body 3 is also provided with a temperature sensor 6. The temperature sensor 6 is electrically connected with the heating plate 5.

Before the viscosity of the sample is detected, the barrel cover 36 is covered, water is put into the interlayer 31 through the water inlet pipe 32, and the interlayer 31 is filled with the water through visual inspection. Then the temperature sensed by the temperature sensor 6 is adjusted to a required temperature value, the temperature sensor 6 starts the heating sheet 5 to heat the water in the interlayer 31, and when the temperature in the barrel body 3 reaches a set value of the temperature sensor 6, the heating sheet 5 stops heating. Then the barrel cover 36 is opened, the beaker 4 containing the sample to be detected is placed in the barrel body 3, after the barrel cover 36 is covered, the detection motor 13 is moved downwards along the upright post 12, the rotor 14 is moved downwards and penetrates through the through hole 361 to be immersed in the sample to be detected, standing is carried out, the temperature of the rotor 14 is enabled to be consistent with the temperature of the sample, and then the viscosity of the sample is detected.

The barrel body 3 can play a constant temperature role on a sample to be measured, so that the sample is not easy to be cooled due to too low external temperature during detection, and the measurement result is not accurate enough.

As shown in fig. 1 and 4, a stirring assembly for stirring water in the interlayer 31 is further arranged in the interlayer 31, the stirring assembly comprises a cross rod 7 arranged at the bottom of the interlayer 31, and two ends of the cross rod 7 are fixedly connected with vertical rods 71. The middle position of the cross bar 7 is fixedly connected with a vertical shaft 72 penetrating through the interlayer 31, and the vertical shaft 72 is rotatably connected with one side of the interlayer 31 close to the base 2. A stirring motor (not shown) is arranged in the base 2, and a shaft body of the stirring motor is fixedly connected with the vertical shaft 72.

When the viscometer body 1 works, the stirring motor drives the vertical shaft 72 to rotate, and the vertical shaft 72 drives the cross rod 7 and the vertical rod 71 to rotate, so that water in the interlayer 31 is stirred, and the water in the interlayer 31 is uniformly heated.

As shown in fig. 1 and 5, the base 11 is provided with fixing rods 8 perpendicular to the base 2 on both sides of the tub 3, and side holes 9 are provided on the side wall of the tub 3 near the fixing rods 8. A fixing component of the beaker 4 for containing the sample is arranged between the fixing rod 8 and the barrel body 3. The fixing component comprises a threaded rod 10 in threaded connection with the fixing rod 8, the threaded rod 10 penetrates through the side hole 9, one end of the threaded rod 10 penetrating through the side hole 9 is rotatably connected with an arc-shaped end sheet 101, and a rubber pad 1011 is further pasted on one surface, far away from the threaded rod 10, of the end sheet 101.

After beaker 4 is placed in barrel 3, screw threaded rod 10 to beaker 4 direction, make two end pieces 101 press from both sides beaker 4 tightly, can prevent when testing sample viscosity that sample viscosity is too big and drive beaker 4 and take place to rotate. The rubber pad 1011 may reduce the force between the end piece 101 and the beaker 4.

The implementation principle of the rotational viscometer with high accuracy in the embodiment of the application is as follows: before the viscosity of the sample is detected, a barrel cover 36 is covered, water is put into the interlayer 31 through the water inlet pipe 32, and the interlayer 31 is filled with the water through visual inspection. Then the temperature sensor 6 starts the heating sheet 5 to heat the water in the interlayer 31, and when the temperature in the barrel body 3 reaches the set value of the temperature sensor 6, the heating sheet 5 stops heating. Then the barrel cover 36 is opened, the beaker 4 containing the sample to be detected is placed in the barrel body 3, after the barrel cover 36 is covered, the detection motor 13 is moved downwards along the upright post 12, the rotor 14 is moved downwards and penetrates through the through hole 361 to be immersed in the sample to be detected, standing is carried out, the temperature of the rotor 14 is enabled to be consistent with the temperature of the sample, and then the viscosity of the sample is detected.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A high-precision rotational viscometer comprising a base (11), characterized in that: fixedly connected with base (2) is gone up in base (11), and fixed mounting has staving (3) on base (2), is provided with intermediate layer (31) in staving (3), and staving (3) outside is provided with inlet tube (32) and outlet pipe (33) with intermediate layer (31) intercommunication, is provided with end cover (34) on inlet tube (32) and outlet pipe (33), be provided with heating plate (5) that are used for electric heating in intermediate layer (31), be provided with in staving (3) with heating plate (5) electric connection's temperature sensor (6), be provided with bung (36) on staving (3), be provided with through-hole (361) on bung (36).

2. A high accuracy rotational viscometer according to claim 1 in which: and a stirring assembly for stirring the water in the interlayer (31) is arranged in the interlayer (31).

3. A high accuracy rotational viscometer according to claim 2 in which: stirring subassembly is including setting up horizontal pole (7) of intermediate layer (31) bottom, horizontal pole (7) both ends fixedly connected with montant (71), on horizontal pole (7) fixedly connected with intermediate layer (31) are close to base (2) one side rotates vertical axis (72) of connecting, install agitator motor in base (2), agitator motor's axis body and vertical axis (72) fixed connection.

4. A high accuracy rotational viscometer according to claim 1 in which: the base (11) be provided with dead lever (8) respectively staving (3) both sides, the position that is close to dead lever (8) on staving (3) lateral wall is provided with side opening (9) respectively, dead lever (8) with be provided with the fixed subassembly to beaker (4) of splendid attire sample between staving (3).

5. A high accuracy rotational viscometer according to claim 4, characterized by: the fixing assembly comprises a threaded rod (10) in threaded connection with the fixing rod (8), and the threaded rod (10) penetrates through the side hole (9) and one end penetrating through the side hole (9) is rotatably connected with an end piece (101).

6. A high accuracy rotational viscometer according to claim 5, characterized by: the end piece (101) is arc-shaped, and a rubber pad (1011) is arranged on one surface of the end piece (101) far away from the threaded rod (10).

7. A high accuracy rotational viscometer according to claim 1 in which: the barrel body (3) is made of transparent materials.

8. A high accuracy rotational viscometer according to claim 1 in which: a circle of concave table (35) is arranged on the end face of one end of the opening of the barrel body (3), and the barrel cover (36) is placed on the concave table (35).