Temperature equalizing device with scale adjusting function for liquid tank calibration

Abstract

The utility model relates to a temperature equalizing device for calibration of a liquid tank with scale adjustment, in particular to a temperature equalizing device for calibration of a liquid tank with scale adjustment, which comprises a temperature equalizing block provided with an insertion hole for insertion of a thermometer in the vertical direction; the limiting block is arranged in the insertion hole in a position adjustable manner; the ejector rod is inserted into the insertion hole in the radial direction and used for abutting against and fixing the thermometer. The utility model mainly aims at providing the temperature equalizing device with the scale adjusting function for liquid tank calibration, which stably adjusts the depth of the thermometer inserted into the temperature equalizing block according to the use requirements, ensures that the temperatures tested each time are the same, and simultaneously ensures the stability of the thermometer and improves the accuracy during calibration by propping the temperature into the insertion hole through the ejector rod.

Description

Technical Field

[0001] The utility model relates to the fields of measuring instrument technology and thermodynamic technology, and in particular to a temperature equalizing device for calibrating a liquid tank with a scale adjustment. Background Art

[0002] The liquid thermostatic bath is an important instrument for laboratory temperature testing. During the testing process, the temperature of different liquid levels must be measured to ensure the uniformity of the liquid thermostatic bath. It is difficult to ensure height consistency by measuring with a handheld thermometer, and it cannot be fixed on the same plane, resulting in large uniformity errors when measuring the liquid thermostatic bath, and it cannot accurately reflect the true measurement characteristics of the liquid thermostatic bath. Utility Model Content

[0003] The main purpose of the utility model is to provide a temperature equalizing device for calibrating a liquid tank with a scale to stably adjust the depth of a thermometer inserted into a temperature equalizing block according to use needs, thereby ensuring that the temperature of each test is the same. At the same time, the temperature is pressed tightly against the jack through a push rod to ensure the stability of the thermometer and improve the accuracy during calibration.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A temperature equalizing device for calibrating a liquid tank with a scale adjustment, comprising:

[0006] A temperature-equalizing block, wherein a plug hole for inserting a thermometer is provided in the vertical direction of the temperature-equalizing block;

[0007] A limit block, the position of which can be adjusted and arranged in the insertion hole;

[0008] A push rod is radially inserted into the insertion hole to tightly fix the thermometer.

[0009] Furthermore, a threaded hole radially connected to the insertion hole is provided on the temperature-averaging block, and the push rod is threadedly connected to the threaded hole.

[0010] Furthermore, the jack is provided with an internal thread, the limit block is provided with an external thread, and the limit block is threadably connected to the jack.

[0011] Furthermore, a slot connected to the jack is provided on the temperature-averaging block, and a pointer is rotatably connected to the upper end of the limit block, and the end of the pointer extends out of the temperature-averaging block.

[0012] Furthermore, the outer edge of the slot is provided with scales along the length direction.

[0013] Furthermore, the limit block includes a bottom block and a top block, the bottom block is threadedly connected to the jack, a groove is provided on the top of the bottom block, an annular block is provided on the lower surface of the top block, the outer wall of the annular block is threadedly connected to the inner wall of the groove, a through hole is provided on the top block, the pointer includes an indicator plate, a rotating column, and a rotating block, the rotating column passes through the through hole, one end is fixedly connected to the indicator plate and the other end is fixedly connected to the rotating block, and the rotating block is loosely fitted in the annular block.

[0014] Furthermore, a limit plate arranged to fit the temperature-averaging block is fixedly connected to the free end of the indicator plate.

[0015] Furthermore, a plurality of water permeable holes are arranged on the outer wall of the temperature-equalizing block.

[0016] Furthermore, the temperature-averaging block is made of red copper.

[0017] The beneficial effects achieved by the utility model are:

[0018] 1. This patent can stably adjust the depth of the thermometer inserted into the temperature equalizing block according to the needs of use, ensuring that the temperature of each test is the same. At the same time, the temperature is pressed tightly against the socket through the push rod to ensure the stability of the thermometer and improve the accuracy of calibration.

[0019] Second, the threaded hole is provided to achieve a positionally adjustable connection between the ejector rod and the temperature equalizing block, thereby ensuring that the ejector rod can be pressed tightly against the thermometer.

[0020] 3. By setting a slot to pass the pointer on the upper end of the limit block, the insertion depth of the thermometer can be more conveniently and directly confirmed.

[0021] 4. The insertion depth is more intuitive by setting the scale and pointer.

[0022] 5. By setting the pointer as the indicator plate, the rotating column and the rotating block, the pointer can be rotatably connected to the limit block after installation. The limit block can be threadedly connected to the jack to adjust the insertion depth, and the pointer can stably indicate the insertion position.

[0023] 6. The stability of the pointer position indication can be ensured by setting a limit plate.

[0024] 7. By setting the water-permeable holes, on the one hand, the weight of the temperature-equalizing block can be reduced, and on the other hand, the temperature-equalizing block can conduct water temperature faster.

[0025] 8. By setting the temperature equalizing block to be made of copper, the temperature equalizing effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 It is a schematic diagram of the structure of the utility model.

[0028] Figure 2 for Figure 1 Cross-sectional structural diagram.

[0029] Figure 3 It is a schematic diagram of the explosion structure of the limit block and the pointer. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0031] like Figures 1 to 3 As shown,

[0032] A temperature equalizing device for calibrating a liquid tank with a scale adjustment, comprising:

[0033] A temperature-equalizing block 10, wherein the temperature-equalizing block 10 is provided with a plug hole 101 for inserting a thermometer in a vertical direction;

[0034] A limit block 20, wherein the position of the limit block 20 is adjustable and arranged in the insertion hole 101;

[0035] A push rod 30 is radially inserted into the insertion hole 101 to tightly fix the thermometer.

[0036] Specifically, the insertion depth of the thermometer into the insertion hole 101 is adjusted by the limit block 20 , and the thermometer can be stably fixed in the insertion hole 101 by the push rod 30 .

[0037] Furthermore, a threaded hole radially connected to the insertion hole 101 is provided on the temperature-averaging block 10 , and the push rod 30 is threadedly connected to the threaded hole, so that the push rod 30 and the temperature-averaging block 10 can be fixed more stably.

[0038] Furthermore, in order to conveniently adjust the position of the limiting block 20 , the insertion hole 101 is provided with an internal thread, the limiting block 20 is provided with an external thread, and the limiting block 20 is threadedly connected to the insertion hole 101 .

[0039] Furthermore, in order to more intuitively observe the insertion depth of the thermometer, the temperature equalizing block 10 is provided with a slot 102 connected to the jack 101 , and the upper end of the limit block 20 is rotatably connected to a pointer 201 , and the end of the pointer 201 extends out of the temperature equalizing block 10 .

[0040] Furthermore, the outer edge of the slot 102 is provided with scales along the length direction, so that the position of the limit block 20 can be adjusted more conveniently by observing the scales.

[0041] Furthermore, in order to ensure that the pointer 201 can move up and down along the slot 102 when the stop block 20 moves, the stop block 20 includes a bottom block 202 and a top block 203. The bottom block 202 is threadedly connected to the jack 101. A groove 2021 is provided on the top of the bottom block 202. An annular block 2031 is provided on the lower surface of the top block 203. The outer wall of the annular block 2031 is threadedly connected to the inner wall of the groove 2021. A through hole is provided on the top block 203. 2032, the pointer 201 includes an indication plate 2011, a rotating column 2012, and a rotating block 2013. The rotating column 2012 passes through the through hole 2032, one end of which is fixedly connected to the indication plate 2011 and the other end of which is fixedly connected to the rotating block 2013. The rotating block 2013 is loosely fitted in the annular block 2031. In order to better enable the pointer 201 to move along the slot 102, the width of the indication plate 2011 is the same as the width of the slot 102.

[0042] Furthermore, in order to better observe the position of the indicator plate 2011 , the free end of the indicator plate 2011 is fixedly connected to a limiting plate 2014 that is arranged to fit the temperature equalizing block 10 .

[0043] Furthermore, in order to quickly stabilize the temperature of the temperature-averaging block 10 and reduce the weight of the temperature-averaging block 10 , a plurality of water-permeable holes 103 are provided on the outer wall of the temperature-averaging block 10 .

[0044] Furthermore, the temperature-averaging block 10 is made of copper.

[0045] Specifically, during actual use, first adjust the depth of the limit block 20 screwed into the temperature equalizing block 10 according to the needs of use, and the position of at least the scale can be directly read through the pointer 201, and then insert the thermometer into the jack 101, rotate the top rod 30 to press the thermometer with the top rod 30 to ensure the stability of the thermometer, and then put the temperature equalizing block into the water bath for measurement.

Claims

1. A temperature equalizing device for calibrating a liquid tank with a scale adjustment, characterized in that: include, A temperature-equalizing block (10), wherein the temperature-equalizing block (10) is provided with a plug hole (101) for inserting a thermometer in a vertical direction; a limit block (20), the limit block (20) being arranged in the insertion hole (101) in an adjustable position; A push rod (30), the push rod (30) is radially inserted into the insertion hole (101) and is used to tightly fix the thermometer.

2. A temperature equalizing device for calibrating a liquid tank with a scale adjustment according to claim 1, characterized in that: The temperature-averaging block (10) is provided with a threaded hole radially connected to the insertion hole (101), and the push rod (30) is threadedly connected to the threaded hole.

3. A temperature equalizing device for calibrating a liquid tank with a scale adjustment according to claim 1, characterized in that: The insertion hole (101) is provided with an internal thread, the limiting block (20) is provided with an external thread, and the limiting block (20) is threadably connected to the insertion hole (101).

4. A temperature equalizing device for calibrating a liquid tank with a scale adjustment according to claim 3, characterized in that: The temperature-averaging block (10) is provided with a slot (102) connected to the plug hole (101); the upper end of the limit block (20) is rotatably connected to a pointer (201); the end of the pointer (201) protrudes from the temperature-averaging block (10).

5. A temperature equalizing device for calibrating a liquid tank with a scale adjustment according to claim 4, characterized in that: The outer edge of the slot (102) is provided with scales along the length direction.

6. A temperature equalizing device for calibrating a liquid tank with a scale adjustment according to claim 4 or 5, characterized in that: The limit block (20) comprises a bottom block (202) and a top block (203); the bottom block (202) is threadedly connected to the insertion hole (101); a groove (2021) is provided on the top of the bottom block (202); an annular block (2031) is provided on the lower surface of the top block (203); an outer wall of the annular block (2031) is threadedly connected to an inner wall of the groove (2021); a through hole (2032) is provided on the top block (203); the pointer (201) comprises an indicating plate (2011), a rotating column (2012), and a rotating block (2013); the rotating column (2012) passes through the through hole (2032), one end of which is fixedly connected to the indicating plate (2011) and the other end of which is fixedly connected to the rotating block (2013); the rotating block (2013) is loosely fitted in the annular block (2031).

7. A temperature equalizing device for calibrating a liquid tank with a scale adjustment according to claim 6, characterized in that: The free end of the indicator plate (2011) is fixedly connected to a limit plate (2014) arranged to fit the temperature-averaging block (10).

8. A temperature equalizing device for calibrating a liquid tank with a scale adjustment according to claim 1, characterized in that: A plurality of water permeable holes (103) are provided on the outer wall of the temperature equalizing block (10).

9. A temperature equalizing device for calibrating a liquid tank with a scale adjustment according to claim 1, characterized in that: The temperature equalizing block (10) is made of red copper.

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