Chemical reagent containing device for chemical test

Abstract

The utility model relates to the technical field of chemical tests, and discloses a chemical reagent containing device for chemical tests, a fixing device is composed of a fixing rod, a first spring, a sliding sleeve, a buckling seat, a moving rod, a handle, a limiting block, a second spring and a fixing ring, the fixing rod is fixedly installed in the side face of a test tube rack, and the first spring is fixedly installed on the fixing rod; the fixing rod is sleeved with the first spring, the sliding sleeve is installed on the surface of the fixing rod in a sliding mode, and the buckling base is fixedly installed on the side face of the sliding sleeve. According to the chemical reagent containing device for the chemical test, a limiting block is separated from a limiting hole by pulling a handle, a sliding sleeve moves under the action of a first spring, the handle is released after the sliding sleeve is adjusted to a proper position, and the limiting block is clamped in different limiting holes under the action of a moving rod, a second spring and a fixing ring; and finally, the bottom height of the test tube rack is changed when the test tube rack is drained, and the test tube rack is simple to operate and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical experiments, in particular to a chemical reagent containing device for chemical experiments. Background Art

[0002] A chemical reagent container refers to equipment for storing chemical reagents. Chemical reagents are relative standard substances for chemical research and component analysis. They are an important condition for scientific and technological progress and are widely used in the synthesis, separation, qualitative and quantitative analysis of substances. They can be said to be the eyes of chemists.

[0003] The utility model with patent application number 202222565815.7 discloses a chemical reagent containing device for chemical experiments, including a base, a constant temperature water bath heater, and a test tube rack. The constant temperature water bath heater includes a heating base, a water bath arranged on the heating base and for the test tube rack to be placed in, a plurality of compression springs are arranged between the base and the heating base, a vibration motor is arranged on the lower surface of the heating base, and a control panel electrically connected to the heating base and the vibration motor is arranged on the base; the water bath is square, and a rubber buffer ring that contacts the inner wall of the water bath is arranged on the top periphery of the test tube rack, a lifting rod is arranged in the middle of the test tube rack, and a lifting ring is arranged on the upper end of the lifting rod.

[0004] The chemical reagent containing device for chemical experiments can drain water droplets around the test tube rack and the test tube, and the height of the snap-fit ​​seat can be adjusted and fixed by a fixing mechanism, so as to adjust the bottom height of the test tube rack when draining. However, there are still some areas that can be improved. For example, the device fixes its snap-fit ​​seat by a fixing plate and a fixing knob bolt. When adjusting the bottom height of the test tube rack for draining, other tools such as a screwdriver are needed to install and remove the fixing knob bolt, which makes the device very troublesome to adjust and inconvenient to use, and cannot meet current needs. Utility Model Content

[0005] The purpose of the utility model is to provide a chemical reagent containing device for chemical experiments to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chemical reagent containing device for chemical experiments, comprising a base, a compression spring, a constant temperature water bath heater, a test tube rack, and a fixing device, wherein the compression spring is arranged on the top of the base, the constant temperature water bath heater is arranged on the top of the compression spring, the test tube rack is arranged inside the constant temperature water bath heater, and the fixing device is arranged on the side of the test tube rack;

[0007] The fixing device is composed of a fixing rod, a first spring, a sliding sleeve, a snap-fit ​​seat, a moving rod, a handle, a limit block, a second spring, and a fixing ring. The fixing rod is fixedly installed on the inside of the side of the test tube rack, the first spring is sleeved on the outside of the fixing rod, the sliding sleeve is slidably installed on the surface of the fixing rod, the snap-fit ​​seat is fixedly installed on the side of the sliding sleeve, the moving rod is slidably installed on the inside of the sliding sleeve, the handle is fixedly installed on one end of the moving rod, the limit block is fixedly installed on the other end where the moving rod and the handle are connected, the second spring is sleeved on the outside of the moving rod, and the fixing ring is fixedly installed on the surface of the moving rod.

[0008] Preferably, one end of the first spring is connected to the test tube rack, and the other end is connected to the sliding sleeve. This arrangement allows the sliding sleeve to be reset by the first spring.

[0009] Preferably, a limiting hole is provided on the surface of the fixing rod, and the limiting hole matches the limiting block. This setting changes the position of the sliding sleeve inside the side of the test tube rack by adjusting the limiting block in different limiting holes, thereby changing the position of the snap-fit ​​seat on the side of the test tube rack, and finally changing the bottom height of the test tube rack when draining.

[0010] Preferably, the spacing between the two snap-fit ​​seats is adapted to the width of the top of the constant temperature water bath heater. When the test tube rack is lifted upward out of the constant temperature water bath heater and rotated 90 degrees, the two snap-fit ​​seats can snap-fit ​​on both sides of the width direction of the top of the constant temperature water bath heater after moving downward.

[0011] Preferably, one end of the second spring is connected to the sliding sleeve, and the other end is connected to the fixing ring. This arrangement allows the fixing ring to be reset by the second spring.

[0012] Preferably, a movable groove is provided inside the sliding sleeve, and the movable groove matches the limiting block, and this arrangement facilitates the limiting block to slide through the movable groove.

[0013] Preferably, there are two groups of fixing devices, which are symmetrically arranged inside the side of the test tube rack. The two groups of fixing devices can support the test tube rack from both sides.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the chemical reagent containing device for chemical experiments causes the limit block to disengage from the limit hole by pulling the handle, and under the action of the first spring, the sliding sleeve moves, and the handle is released after being adjusted to a suitable position, and under the action of the moving rod, the second spring and the fixing ring, the limit block is clamped in different limit holes, thereby changing the position of the snap-fit ​​seat on the side of the test tube rack, and ultimately changing the bottom height of the test tube rack when drained, and the operation is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the test tube rack, the first spring and the buckle seat of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the fixed rod, the sliding sleeve and the handle of the utility model;

[0019] Figure 5 For this utility model Figure 4 A is an enlarged structural diagram of FIG.

[0020] In the figure: 1. base; 2. compression spring; 3. constant temperature water bath heater; 4. test tube rack; 5. fixing device; 501. fixing rod; 502. first spring; 503. sliding sleeve; 504. snap-fit ​​seat; 505. moving rod; 506. handle; 507. limit block; 508. second spring; 509. fixing ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides a technical solution: a chemical reagent containing device for chemical experiments, comprising a base 1, a compression spring 2, a constant temperature water bath heater 3, a test tube rack 4, and a fixing device 5. The compression spring 2 is arranged on the top of the base 1, the constant temperature water bath heater 3 is arranged on the top of the compression spring 2, the test tube rack 4 is arranged inside the constant temperature water bath heater 3, and the fixing device 5 is arranged on the side of the test tube rack 4. There are two groups of fixing devices 5, which are symmetrically arranged inside the side of the test tube rack 4. Two groups of fixing devices 5 are arranged, and the test tube rack 4 can be supported from both sides.

[0023] The fixing device 5 is composed of a fixing rod 501, a first spring 502, a sliding sleeve 503, a buckle seat 504, a moving rod 505, a handle 506, a limit block 507, a second spring 508, and a fixing ring 509. The fixing rod 501 is fixedly installed on the inside of the side of the test tube rack 4, the first spring 502 is sleeved on the outside of the fixing rod 501, and the sliding sleeve 503 is slidably installed on the surface of the fixing rod 501. One end of the first spring 502 is connected to the test tube rack 4, and the other end is connected to the sliding sleeve 503. In this arrangement, the sliding sleeve 503 can be reset by the first spring 502, the snap-fit ​​seat 504 is fixedly installed on the side of the sliding sleeve 503, and the spacing between the two snap-fit ​​seats 504 is adapted to the width of the top of the constant temperature water bath heater 3. When the test tube rack 4 is raised upward from the constant temperature water bath heater 3 and rotated 90 degrees, the two snap-fit ​​seats 504 can be snapped on both sides of the width direction of the top of the constant temperature water bath heater 3 after moving downward, and the moving rod 505 is slidably installed in the inner side of the sliding sleeve 503. The handle 506 is fixedly mounted on one end of the moving rod 505, and the limit block 507 is fixedly mounted on the other end where the moving rod 505 and the handle 506 are connected. A limit hole is provided on the surface of the fixed rod 501, and the limit hole matches the limit block 507. The setting changes the position of the sliding sleeve 503 inside the side of the test tube rack 4 by adjusting the limit block 507 in different limit holes, thereby changing the position of the snap-fit ​​seat 504 on the side of the test tube rack 4, and finally changing the bottom height of the test tube rack when draining. A moving groove is provided inside the sliding sleeve 503, and the moving groove matches the limit block 507. The setting facilitates the limit block 507 to slide through the moving groove. The second spring 508 is sleeved on the outside of the moving rod 505, and the fixing ring 509 is fixedly mounted on the surface of the moving rod 505. One end of the second spring 508 is connected to the sliding sleeve 503, and the other end is connected to the fixing ring 509. The setting can reset the fixing ring 509 through the second spring 508.

[0024] When in use, the handle 506 is pulled to disengage the limit block 507 from the limit hole. Under the action of the first spring 502, the sliding sleeve 503 moves, and the handle 506 is released after being adjusted to a suitable position. Under the action of the moving rod 505, the second spring 508 and the fixing ring 509, the limit block 507 is clamped in different limit holes, thereby changing the position of the snap-fit ​​seat 504 on the side of the test tube rack 4, and finally changing the bottom height of the test tube rack when draining.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A chemical reagent containing device for chemical experiments, comprising a base (1), a compression spring (2), a constant temperature water bath heater (3), a test tube rack (4), and a fixing device (5), characterized in that: The compression spring (2) is arranged on the top of the base (1), the constant temperature water bath heater (3) is arranged on the top of the compression spring (2), the test tube rack (4) is arranged inside the constant temperature water bath heater (3), and the fixing device (5) is arranged on the side of the test tube rack (4); The fixing device (5) is composed of a fixing rod (501), a first spring (502), a sliding sleeve (503), a snap-fit ​​seat (504), a moving rod (505), a handle (506), a limit block (507), a second spring (508), and a fixing ring (509). The fixing rod (501) is fixedly installed inside the side of the test tube rack (4), the first spring (502) is sleeved on the outside of the fixing rod (501), and the sliding sleeve (503) is slidably installed on the surface of the fixing rod (501). The buckling seat (504) is fixedly mounted on the side of the sliding sleeve (503), the moving rod (505) is slidably mounted inside the sliding sleeve (503), the handle (506) is fixedly mounted on one end of the moving rod (505), the limit block (507) is fixedly mounted on the other end where the moving rod (505) and the handle (506) are connected, the second spring (508) is sleeved on the outside of the moving rod (505), and the fixing ring (509) is fixedly mounted on the surface of the moving rod (505).

2. A chemical reagent containing device for chemical experiments according to claim 1, characterized in that: One end of the first spring (502) is connected to the test tube rack (4), and the other end is connected to the sliding sleeve (503).

3. A chemical reagent containing device for chemical experiments according to claim 1, characterized in that: A limiting hole is provided on the surface of the fixing rod (501), and the limiting hole matches the limiting block (507).

4. A chemical reagent containing device for chemical experiments according to claim 1, characterized in that: The distance between the two snap-fit ​​seats (504) matches the width of the top of the constant temperature water bath heater (3).

5. A chemical reagent containing device for chemical experiments according to claim 1, characterized in that: One end of the second spring (508) is connected to the sliding sleeve (503), and the other end is connected to the fixing ring (509).

6. A chemical reagent containing device for chemical experiments according to claim 1, characterized in that: A moving groove is provided inside the sliding sleeve (503), and the moving groove matches the limiting block (507).

7. A chemical reagent containing device for chemical experiments according to claim 1, characterized in that: The fixing devices (5) have two groups, which are symmetrically arranged inside the side of the test tube rack (4).

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