Chemical experiment auxiliary instrument

Abstract

The utility model discloses a chemical experiment auxiliary instrument, relates to chemical experiment technical field, including test tube stand base and test tube support plate, the lower inside of test tube stand base is provided with slide rail, the bottom of test tube stand base is provided with anticollision subassembly for anticollision, the test tube bottom support plate is in slide connection in slide rail, and the slide rail is provided with the anticollision subassembly for anticollision. A buffer pad is arranged in the bottom attaching groove, the outer wall of the bottom of the test tube bottom supporting plate is connected with a buffer spring, and the test tube supporting plate is slidably connected to the outer wall of the test tube rack base. According to the chemical experiment auxiliary instrument, the supporting frame plays a role in supporting the adjusting rods and the fixing block, the second clamping piece and the first clamping piece are located below the containing groove, after a test tube is put down, the two adjusting rods are loosened, the reset spring rebounds, the first clamping piece and the second clamping piece are driven to get close, and the test tube is clamped. And the first clamping piece and the second clamping piece move to the outer wall of the test tube to clamp the test tube, so that the placement stability of the test tube is ensured.

Description

Technical Field

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

[0002] Test tubes are a commonly used instrument in chemical laboratories. They are used as reaction containers for small amounts of reagents and are used at room temperature or when heated. Because test tubes are made of glass and are very fragile, experimenters need to store them during or after the experiment to avoid damage to the test tubes or unnecessary losses caused by the solid or liquid in the test tubes flowing out.

[0003] The existing chemical experiment auxiliary instrument test tube rack is not easy to adjust according to the different lengths of the test tubes. During the placement of the test tubes, the experimenter's hands are prone to slipping, causing the test tubes to fall, which in turn causes the bottom of the test tubes to be hit and broken. The test tubes are prone to shaking after being placed, and the stability is not high.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a chemical experiment auxiliary device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a chemical experiment auxiliary device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chemical experiment auxiliary device, comprising a test tube rack base and a test tube support plate, a slide rail is provided at the lower inner part of the test tube rack base, and an anti-collision component for anti-collision is arranged at the bottom of the test tube rack base, and the anti-collision component comprises a test tube bottom support plate, a bottom fitting groove, a buffer pad and a buffer spring, the test tube bottom support plate is slidably connected to the inside of the slide rail, and a bottom fitting groove is provided inside the test tube bottom support plate, and a buffer pad is provided inside the bottom fitting groove, the bottom outer wall of the test tube bottom support plate is connected to a buffer spring, and the bottom end of the buffer spring is connected to the test tube rack base, and the test tube support plate is slidably connected to the outer wall of the test tube rack base.

[0007] Furthermore, a placement groove is provided inside the test tube support plate, and positioning holes are provided on the front outer wall and the rear outer wall of the test tube rack base.

[0008] Furthermore, a positioning key is snap-fitted inside the positioning hole, and the test tube rack base and the test tube supporting plate are connected via the positioning key.

[0009] Furthermore, the top outer wall of the test tube bottom support plate is lower than the bottom outer wall height of the test tube support plate, and a buffer pad is arranged directly below the placement groove.

[0010] Furthermore, the outer wall of the placement groove is provided with a clamping assembly for clamping, and the clamping assembly includes a support frame and an adjustment rod. The support frame is snap-connected to the outer wall of the test tube support plate, and the interior of the support frame is slidably connected to the adjustment rod.

[0011] Furthermore, the clamping assembly also includes a first clamping piece and a return spring. The first clamping piece is fixed to the outer wall of the adjusting rod, and the outer wall of the first clamping piece is connected to the return spring.

[0012] Furthermore, the clamping assembly also includes a fixing block and a second clamping piece, the end of the reset spring is connected to the fixing block, and the outer wall of the adjusting rod is provided with a second clamping piece.

[0013] Furthermore, the first clamping piece and the second clamping piece are matched with each other, and the first clamping piece and the second clamping piece are arranged below the test tube supporting plate.

[0014] The utility model provides a chemical experiment auxiliary device, which has the following beneficial effects:

[0015] 1. The chemical experiment auxiliary device, after being placed, the bottom of the test tube enters the bottom fitting groove, the bottom outer wall of the test tube is close to the buffer spring, the buffer spring is made of rubber and has a certain buffering effect, the bottom support plate of the test tube supports the bottom of the test tube, and the buffer spring plays a buffering role at the bottom of the bottom support plate of the test tube when the test tube falls. When the buffer spring is compressed and rebounded, the bottom support plate of the test tube can slide up and down inside the slide rail when it is under pressure, so as to prevent the test tube from falling due to slipping of the hands of the experimenter when placing the test tube, causing the bottom of the test tube to be hit and broken.

[0016] 2. The chemical experiment auxiliary instrument, the support frame supports the adjusting rod and the fixed block, the second clamping piece and the first clamping piece are below the placement groove, after the test tube is put down, the two adjusting rods are released, the reset spring rebounds, and the first clamping piece and the second clamping piece are driven to approach each other, and the first clamping piece and the second clamping piece are moved to the outer wall of the test tube to clamp the test tube, so as to ensure the stability of the test tube placement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a chemical experiment auxiliary device of the utility model;

[0018] Figure 2 This is a bottom view structural diagram of a test tube support plate of a chemical experiment auxiliary device of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of a clamping assembly of a chemical experiment auxiliary device of the utility model;

[0020] Figure 4The utility model is a schematic diagram of the structure of a test tube bottom support plate of a chemical experiment auxiliary device.

[0021] In the figure: 1. test tube rack base; 2. slide rail; 3. anti-collision component; 301. test tube bottom support plate; 302. bottom fitting groove; 303. buffer pad; 304. buffer spring; 4. test tube support plate; 5. placement groove; 6. positioning hole; 7. positioning key; 8. clamping assembly; 801. support frame; 802. adjustment rod; 803. first clamping piece; 804. reset spring; 805. fixing block; 806. second clamping piece. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0023] like Figure 1-Figure 4 As shown, a chemical experiment auxiliary device includes a test tube rack base 1 and a test tube support plate 4, a slide rail 2 is opened in the lower interior of the test tube rack base 1, an anti-collision component 3 for anti-collision is arranged at the bottom of the test tube rack base 1, and the anti-collision component 3 includes a test tube bottom support plate 301, a bottom fitting groove 302, a buffer pad 303 and a buffer spring 304, the test tube bottom support plate 301 is slidably connected to the inside of the slide rail 2, and the bottom support plate 301 is provided with a bottom fitting groove 302, the bottom fitting groove 302 is provided with a buffer pad 303, and the test tube bottom support plate 301 is provided with a bottom fitting groove 302. 1 is connected to a buffer spring 304 at the bottom outer wall, and the bottom end of the buffer spring 304 is connected to the test tube rack base 1, the test tube support plate 4 is slidably connected to the outer wall of the test tube rack base 1, and a placement groove 5 is provided inside the test tube support plate 4. The front outer wall and the rear outer wall of the test tube rack base 1 are both provided with positioning holes 6, and the positioning holes 6 are internally connected with positioning keys 7, and the test tube rack base 1 and the test tube support plate 4 are connected by the positioning keys 7. The top outer wall of the test tube bottom support plate 301 is lower than the bottom outer wall height of the test tube support plate 4, and a buffer pad 303 is provided directly below the placement groove 5;

[0024] The specific operation is as follows: when conducting a chemical experiment, the test tube needs to be placed on the device, and after the test tube support plate 4 is slid to a suitable height on the outer wall of the test tube rack base 1, the end of the positioning key 7 is inserted into the test tube support plate 4 and into the interior of the positioning hole 6, so that the test tube support plate 4 and the test tube rack base 1 are connected through the positioning key 7, the position of the test tube support plate 4 is fixed, and the test tube is placed inside the placement groove 5, so as to realize the height adjustment of the test tube support plate 4 according to the test tubes of different heights, thereby increasing the practicality of the device;

[0025] After placement, the bottom of the test tube enters the bottom fitting groove 302, and the bottom outer wall of the test tube is close to the buffer spring 304. The buffer spring 304 is made of rubber and has a certain buffering effect. The test tube bottom support plate 301 supports the bottom of the test tube. The buffer spring 304 plays a buffering role at the bottom of the test tube bottom support plate 301 when the test tube falls. When the buffer spring 304 is compressed and rebounds, the test tube bottom support plate 301 can slide up and down inside the slide rail 2 when it is under pressure, so as to prevent the test tube from falling due to slipping when placing the test tube by the experimenter, and causing the bottom of the test tube to be hit and broken;

[0026] like Figure 1-Figure 4 As shown, the outer wall of the placement groove 5 is provided with a clamping assembly 8 for clamping, and the clamping assembly 8 includes a support frame 801 and an adjusting rod 802, the support frame 801 is snap-connected to the outer wall of the test tube support plate 4, and the inner part of the support frame 801 is slidably connected with the adjusting rod 802, the clamping assembly 8 also includes a first clamping piece 803 and a reset spring 804, the outer wall of the adjusting rod 802 is fixed with the first clamping piece 803, and the outer wall of the first clamping piece 803 is connected with the reset spring 804, the clamping assembly 8 also includes a fixing block 805 and a second clamping piece 806, the end of the reset spring 804 is connected with the fixing block 805, the outer wall of the adjusting rod 802 is provided with a second clamping piece 806, the first clamping piece 803 and the second clamping piece 806 are adapted, and the first clamping piece 803 and the second clamping piece 806 are arranged below the test tube support plate 4;

[0027] The specific operation is as follows: the support frame 801 supports the adjusting rod 802 and the fixing block 805, and the adjusting rod 802 is pulled, and the adjusting rod 802 drives the first clamping piece 803 to move, and the first clamping piece 803 drives one end of the return spring 804 to stretch, and the fixing block 805 fixes the other end of the return spring 804. At the same time, the adjusting rod 802 in the other opposite direction is pulled, and the adjusting rod 802 drives the second clamping piece 806 to move, and the second clamping piece 806 drives one end of the return spring 804 to stretch, and the second clamping piece 806 and the first clamping piece 803 are below the placement slot 5. After the test tube is put down, the two adjusting rods 802 are released, and the return spring 804 rebounds, driving the first clamping piece 803 and the second clamping piece 806 to approach each other, and the first clamping piece 803 and the second clamping piece 806 move to the outer wall of the test tube to clamp the test tube, so as to ensure the stability of the test tube placement;

[0028] In summary, if Figure 1-Figure 4As shown, when using the chemical experiment auxiliary instrument, first slide the test tube support plate 4 on the outer wall of the test tube rack base 1 to a suitable height, insert the end of the positioning key 7 into the test tube support plate 4 and enter the interior of the positioning hole 6, fix the position of the test tube support plate 4, and place the test tube inside the placement groove 5, so as to adjust the height of the test tube support plate 4 according to the test tubes of different heights. After placement, the bottom of the test tube enters the interior of the bottom fitting groove 302, and the bottom outer wall of the test tube is close to the buffer spring 304. The buffer spring 304 has a certain buffering effect. The buffer spring 304 plays a buffering role at the bottom of the test tube bottom support plate 301. When the test tube bottom support plate 301 is subjected to pressure, it can slide up and down inside the slide rail 2, so as to prevent the test tube from falling due to slipping of the hands of the experimenter when placing the test tube, and causing the bottom of the test tube to be hit and broken;

[0029] Pull the adjusting rod 802, the adjusting rod 802 drives the first clamping piece 803 to move, the first clamping piece 803 drives one end of the reset spring 804 to stretch, the fixing block 805 fixes the other end of the reset spring 804, and at the same time pull the adjusting rod 802 in the other opposite direction, the adjusting rod 802 drives the second clamping piece 806 to move, the second clamping piece 806 drives one end of the reset spring 804 to stretch, the second clamping piece 806 and the first clamping piece 803 are below the placement slot 5, after the test tube is put down, release the two adjusting rods 802, the reset spring 804 rebounds, drives the first clamping piece 803 and the second clamping piece 806 to approach each other, the first clamping piece 803 and the second clamping piece 806 move to the outer wall of the test tube to clamp the test tube.

[0030] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A chemical experiment auxiliary device, comprising a test tube rack base (1) and a test tube support plate (4), characterized in that: A slide rail (2) is provided at the lower interior of the test tube rack base (1); an anti-collision component (3) for anti-collision is provided at the bottom of the test tube rack base (1); the anti-collision component (3) comprises a test tube bottom support plate (301), a bottom fitting groove (302), a buffer pad (303) and a buffer spring (304); the test tube bottom support plate (301) is slidably connected to the inside of the slide rail (2); a bottom fitting groove (302) is provided at the inside of the test tube bottom support plate (301); a buffer pad (303) is provided at the inside of the bottom fitting groove (302); a bottom outer wall of the test tube bottom support plate (301) is connected to a buffer spring (304); a bottom end of the buffer spring (304) is connected to the test tube rack base (1); and the test tube support plate (4) is slidably connected to the outer wall of the test tube rack base (1).

2. A chemical experiment auxiliary device according to claim 1, characterized in that: The test tube support plate (4) is provided with a placement groove (5) inside, and the front outer wall and the rear outer wall of the test tube rack base (1) are provided with positioning holes (6).

3. A chemical experiment auxiliary device according to claim 2, characterized in that: A positioning key (7) is snap-fitted inside the positioning hole (6), and the test tube rack base (1) and the test tube support plate (4) are connected via the positioning key (7).

4. A chemical experiment auxiliary device according to claim 2, characterized in that: The top outer wall of the test tube bottom support plate (301) is lower than the bottom outer wall height of the test tube support plate (4), and a buffer pad (303) is provided directly below the placement groove (5).

5. A chemical experiment auxiliary device according to claim 2, characterized in that: The outer wall of the placement groove (5) is provided with a clamping assembly (8) for clamping, and the clamping assembly (8) comprises a support frame (801) and an adjustment rod (802), the support frame (801) is snap-connected to the outer wall of the test tube support plate (4), and the interior of the support frame (801) is slidably connected to the adjustment rod (802).

6. A chemical experiment auxiliary device according to claim 5, characterized in that: The clamping assembly (8) further comprises a first clamping piece (803) and a return spring (804); the first clamping piece (803) is fixed to the outer wall of the adjusting rod (802), and the return spring (804) is connected to the outer wall of the first clamping piece (803).

7. A chemical experiment auxiliary device according to claim 6, characterized in that: The clamping assembly (8) further comprises a fixing block (805) and a second clamping piece (806); the end of the return spring (804) is connected to the fixing block (805); and the outer wall of the adjustment rod (802) is provided with a second clamping piece (806).

8. A chemical experiment auxiliary device according to claim 7, characterized in that: The first clamping piece (803) and the second clamping piece (806) are matched with each other, and the first clamping piece (803) and the second clamping piece (806) are arranged below the test tube supporting plate (4).

Images