CN218308091U - a test tube rack - Google Patents

Abstract

The utility model relates to the technical field of chemical experiment equipment, and discloses a test tube rack, which includes a base, a groove is opened in the middle of the top surface of the base, and a telescopic rod assembly is fixedly connected to the inner walls on both sides of the groove. One side of the telescopic rod assembly The fixed frame is fixedly connected with a fixed frame, and both sides of the fixed frame are provided with a chute, the inside of the chute is slidably connected with a sliding block, one end of the sliding block is fixedly connected with a first arc-shaped splint, and one side of the chute is slidably connected with a second splint. Two arc splints, the top surface of the fixed frame is provided with limited holes. The test tube rack, through the setting of the telescopic rod assembly, the fixing ring, the first arc-shaped splint and the second arc-shaped splint, when the personnel use it, the alcohol lamp can be placed inside the fixing ring, and then the personnel need to put the beaker into the first In the middle of the arc-shaped splint, the sliding first arc-shaped splint and the second arc-shaped splint move to the middle, and then the limit bolt is twisted to fix the beaker, thereby playing a role in facilitating chemical experiments for personnel.

Description

a test tube rack

technical field

The utility model relates to the technical field of chemical experiment equipment, in particular to a test tube rack.

Background technique

Test tube, a commonly used instrument in biological and chemical laboratories, is used as a reaction container for a small amount of reagents. It is used at room temperature or heated. It is easy to use and has been widely used in hospitals and inspection institutions. It is welcomed by a wide range of medical staff. Existing test tube racks for placing test tubes are usually composed of vertical plates, bottom plates and orifice plates, and the test tubes can be inserted into the sockets on the orifice plates to fix the test tubes for easy access.

A kind of chemical test tube rack disclosed in Chinese utility model patent application publication specification CN211070182U, although, the utility model has improved the stability when test tube is placed, has made things convenient for the placement of test tube, prevents that water from flowing to the outside of test tube rack when drying.

However, this chemical test tube rack has the following disadvantages:

(1) It is inconvenient for personnel to fix the test tube, resulting in accidental collision of personnel, causing the test tube to break away and affect the use of personnel;

(2), it is inconvenient for chemical experimenters to adjust the height of the beaker during the experimental operation, which causes inconvenience for personnel to use.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a test tube rack, which solves the problem that it is inconvenient for personnel to fix the test tubes proposed in the above background technology, resulting in accidental collision of personnel, causing the test tubes to fall apart and broken, affecting the use of personnel, and inconvenient Chemical experimenters adjust the height of the beaker during the experimental operation, which causes inconvenience to the use of the beaker.

(2) Technical solutions

In order to achieve the above purpose, the utility model is achieved through the following technical solutions: a test tube rack, including a base, a groove is opened in the middle of the top surface of the base, and telescopic rod assemblies are fixedly connected to the inner walls on both sides of the groove, One side of the telescopic rod assembly is fixedly connected with a fixed frame, and both sides of the fixed frame are provided with chute, the inside of the chute is slidably connected with a sliding block, and one end of the sliding block is fixedly connected with a first An arc-shaped splint, a second arc-shaped splint is slidably connected to one side inside the chute, a limiting hole is opened on the top surface of the fixed frame, and the internal thread of the limiting hole is connected with a limiting bolt, and the first The top surfaces of the arc-shaped splint and the second arc-shaped splint are provided with holes matching the limit bolts, one side of the top surface of the base is fixedly connected with a trapezoidal fixing block, and one side of the top surface of the trapezoidal fixing block There is a card slot, the inside of the card slot is clamped with a fixed plate, the top surface of the fixed plate is provided with a placement slot, both sides of the placement slot are fixedly connected with springs, and one end of the spring is fixedly connected There is a splint, and the inner bottom wall of the groove is fixedly connected with a fixing ring.

Optionally, the inner bottom wall of the card slot is provided with leaking holes, and the inside of the trapezoidal fixing block is hollowed out.

Optionally, several test tube grooves are provided on one side of the top surface of the trapezoidal fixing block, and a baffle is threadedly connected to one side of the trapezoidal fixing block.

Optionally, the telescopic rod assembly includes an inner rod, an outer rod and a positioning bolt, the inner rod is slidably connected to the inner rod, the surface of the inner rod is provided with a positioning hole, and the internal screw thread of the positioning hole A positioning bolt is connected, and a threaded hole matching the positioning bolt is provided on the surface of the outer rod.

Optionally, anti-slip blocks are fixedly connected to the bottom of the base, and the number of the anti-slip blocks is four.

Optionally, both sides of the top surface of the base are provided with receiving grooves, and one side of the base is provided with observation grooves.

(3) Beneficial effects

The utility model provides a test tube rack, which has the following beneficial effects:

1. The test tube rack, through the setting of the telescopic rod assembly, the fixing ring, the first arc-shaped splint and the second arc-shaped splint, when the personnel use it, the alcohol lamp can be placed inside the fixing ring, and then the personnel need to put the beaker into the In the middle of the first arc-shaped splint, it slides the first arc-shaped splint and the second arc-shaped splint to move to the middle, and then twists the limit bolt to fix the beaker, thus playing the role of facilitating chemical experiments for personnel. Through the telescopic rod assembly According to the needs of personnel, the inner rod can be pulled to the designated height position, then the beaker can be adjusted to a suitable position, and then the positioning bolt can be screwed to fix the inner rod, so that it is convenient for personnel to adjust the height of the beaker.

2. The test tube rack, through the setting of the trapezoidal fixing block, spring and splint, can put the chemical test tube between the splints when the personnel use it, and then the spring drives the splint to fix it, thus playing the role of fixing the test tube and avoiding When the accidental personnel took the test tube and collided, the test tube was accidentally dumped and the test tube was broken.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of trapezoidal fixed block of the present utility model;

Fig. 3 is a structural schematic diagram of the utility model telescopic rod assembly;

Fig. 4 is a structural schematic diagram of the enlarged view at A in Fig. 1 of the present utility model.

In the figure: 1, base; 2, telescopic rod assembly; 201, inner rod; 202, outer rod; 203, positioning bolt; 3, fixed frame; 4, sliding block; Arc-shaped splint; 7, limit bolt; 8, trapezoidal fixed block; 9, fixed plate; 10, spring; 11, splint; 12, fixed ring; 13, test tube groove; 14, baffle plate;

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1 to 4, the utility model provides a technical solution: a test tube rack, including a base 1, a groove is opened in the middle of the top surface of the base 1, and a telescopic rod assembly 2 is fixedly connected to the inner walls on both sides of the groove , through the setting of the telescopic rod assembly 2, according to the needs of the personnel, the inner rod 201 can be pulled to a designated height position, then the beaker can be adjusted to a suitable position, and then the positioning bolt 203 can be screwed to fix the inner rod 201, thereby achieving convenience. Personnel adjust the height of the beaker. One side of the telescopic rod assembly 2 is fixedly connected with a fixed frame 3, and both sides of the fixed frame 3 are provided with chutes. The inside of the chute is slidably connected with a sliding block 4, and one end of the sliding block 4 is fixed. The first arc-shaped splint 5 is connected, and the second arc-shaped splint 6 is slidably connected to one side inside the chute. The top surface of the fixed frame 3 is provided with a limit hole, and the internal thread of the limit hole is connected to the limit bolt 7. The setting of the rod assembly 2, the fixing ring 12, the first curved splint 5 and the second curved splint 6, when the personnel use it, the alcohol lamp can be put into the fixed ring 12, and then the personnel need to put the beaker into the first curved splint. In the middle of the splint 5, it slides the first arc splint 5 and the second arc splint 6 to move in the middle, and then twists the stop bolt 7 to fix the beaker, thereby playing a role in facilitating the chemical experiments of personnel. The first arc splint The top surfaces of the splint 5 and the second curved splint 6 are provided with holes matching the limit bolt 7, and one side of the top surface of the base 1 is fixedly connected with a trapezoidal fixing block 8, and one side of the top surface of the trapezoidal fixing block 8 The side is provided with a card slot, and the inside of the card slot is clamped with a fixed plate 9, and the top surface of the fixed plate 9 is provided with a placement slot, and both sides of the slot are fixedly connected with a spring 10, and one end of the spring 10 is fixedly connected with a splint 11 , through the setting of the trapezoidal fixing block 8, the spring 10 and the splint 11, when the personnel use it, the chemical test tube can be put between the splints 11, and then the spring 10 drives the splint 11 to fix it, thereby playing the role of fixing the test tube, It avoids the collision of personnel taking the test tube, causing the test tube to fall accidentally, resulting in the breakage of the test tube, and the inner bottom wall of the groove is fixedly connected with the fixed ring 12;

The inner bottom wall of the draw-in groove is provided with leaking holes, and the inside of the trapezoidal fixing block 8 is hollowed out;

One side of the trapezoidal fixed block 8 top surface is provided with several test tube grooves 13, by the setting of the test tube grooves 13, the effect of convenient personnel to store test tubes has been played, one side of the trapezoidal fixed block 8 is threadedly connected with a baffle plate 14, through the baffle plate The setting of 14 plays a role in facilitating personnel to store test tubes;

The telescopic rod assembly 2 includes an inner rod 201, an outer rod 202 and a positioning pin 203. The inner rod 201 is slidably connected to the inside of the outer rod 202. The surface of the inner rod 201 is provided with a positioning hole, and the internal thread of the positioning hole is connected with a positioning pin 203. , the surface of the outer rod 202 is provided with a threaded hole matching with the positioning bolt 203;

The bottom of base 1 is fixedly connected with anti-slip block 15, by the setting of anti-slip block 15, the stability of base 1 has been improved, and the quantity of anti-slip block 15 is four;

Both sides of the top surface of the base 1 are provided with storage slots, and one side of the base 1 is provided with observation slots.

In the utility model, the working steps of the device are as follows:

1. First, when the personnel use it, they can put the alcohol lamp inside the fixed ring 12, and then the personnel need to put the beaker into the middle of the first curved splint 5, and slide the first curved splint 5 and the second curved splint 6 directions Move in the middle, and then turn the stop bolt 7 to fix the beaker;

2. Then according to the needs of personnel, the inner rod 201 can be pulled to the designated height position, then the beaker can be adjusted to a suitable position, and then the positioning bolt 203 can be screwed to fix the inner rod 201;

3. Finally, when personnel use it, the chemical test tube can be put between the splints 11, and then the spring 10 drives the splints 11 to fix it.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a test-tube rack, includes base (1), its characterized in that: the middle part of base (1) top surface is seted up flutedly, the inner wall fixedly connected with telescopic link subassembly (2) of recess both sides, the fixed frame (3) of one side fixedly connected with of telescopic link subassembly (2), the spout has all been seted up to the both sides of fixed frame (3), the inside sliding connection of spout has sliding block (4), the first arc splint (5) of one end fixedly connected with of sliding block (4), the inside one side sliding connection of spout has second arc splint (6), spacing hole has been seted up to the top surface of fixed frame (3), the internal thread in spacing hole has spacing bolt (7), the hole with spacing bolt (7) looks adaptation is all seted up to the top surface of first arc splint (5) and second arc splint (6), the trapezoidal fixed block (8) of one side fixedly connected with of base (1) top surface, the draw-in groove has been seted up to one side of trapezoidal fixed block (8) top surface, the inside joint of draw-in groove has fixed plate (9), the standing groove has been seted up to the top surface of fixed plate (9), the equal fixedly connected with spring (10) of the both sides of fixed ring inside, the fixed ring, the one end fixedly connected with splint (11) of spring (10), the inner diapire (12) of fixed groove is connected with.

2. A test tube rack according to claim 1, characterized in that: the inner bottom wall of the clamping groove is provided with a water leakage hole, and the inner part of the trapezoidal fixing block (8) is hollowed out.

3. A test tube rack according to claim 1, characterized in that: a plurality of test tube grooves (13) are formed in one side of the top surface of the trapezoid fixing block (8), and a baffle (14) is in threaded connection with one side of the trapezoid fixing block (8).

4. A test tube rack according to claim 1, characterized in that: the telescopic rod component (2) comprises an inner rod (201), an outer rod (202) and a positioning bolt (203), the inner rod (201) is connected to the inner portion of the outer rod (202) in a sliding mode, the surface of the inner rod (201) is provided with the positioning hole, the positioning bolt (203) is connected to the inner portion of the positioning hole in a threaded mode, and the surface of the outer rod (202) is provided with a threaded hole matched with the positioning bolt (203).

5. A test tube rack according to claim 1, wherein: the bottom fixedly connected with non-slip blocks (15) of base (1), the quantity of non-slip blocks (15) is four.

6. A test tube rack according to claim 1, characterized in that: the storage grooves are formed in the two sides of the top surface of the base (1), and the observation groove is formed in one side of the base (1).

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