CN106423352A - Test tube rack capable of regulating aperture and height for chemical engineering experiment - Google Patents

Abstract

The invention discloses a test tube support with adjustable hole diameter and height for chemical experiments. The threaded holes are provided with matching fastening bolts, and a chute is provided above the chute plate. The chute A test tube support is arranged above the plate, sliders are provided on the left and right sides below the test tube support, the sliders are located in the chute, and a motor is provided on the front end of the test tube support, and a first screw rod is provided on the motor. The first screw runs through the test tube holder from front to back. The test tube holder body is composed of the first tube wall clamp and the second tube wall clamp. This chemical experiment uses a test tube support with adjustable aperture and height, and the adjustment chute plate In the position of the cover plate, connect the chute plate and the cover plate through the tightening bolts, so as to change the height of the test tube support. Second, adjust the first tube wall clamp block and the The position of the second tube wall clamp block to clamp test tubes of different diameters.

Description

A test tube holder with adjustable aperture and height for chemical experiments

technical field

The invention relates to the technical field of chemical experiments, in particular to a test tube support with adjustable aperture and height for chemical experiments.

Background technique

At present, the use height and aperture of the test tube racks used in general chemical laboratories are fixed, and can only be applied to test tubes of one diameter and height. Various test tubes need to be equipped with various test tube racks, which leads to the occupation of laboratory test tube racks. The space is large, the cost is high, and the resource utilization rate is low.

Contents of the invention

The object of the present invention is to provide a test tube holder with adjustable aperture and height for chemical experiments, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a test tube support with adjustable aperture and height for chemical experiments, including a support base, and the left and right ends above the support base are provided with sleeve plates, and the inner sleeves of the sleeve plates are A chute plate is connected, the left and right side walls of the chute plate are provided with threaded holes, the threaded holes are provided with matching fastening bolts, and a chute is provided above the chute plate, so A test tube support is provided above the chute plate, sliders are provided on the left and right sides below the test tube support, the sliders are located in the chute, and a motor is provided on the front end of the test tube support. A screw, the first screw runs through the test tube support from front to back, and the test tube support is symmetrically provided with a round hole with the first screw as the axis, and a test tube rack body is arranged in the round hole, and the test tube rack body is made of The first pipe wall clamping block and the second pipe wall clamping block are composed, the first pipe wall clamping block is located at the rear end of the second pipe wall clamping block, and the first pipe wall clamping block and the second pipe wall clamping block are on the Both are provided with second screw rods, and the second screw rods respectively penetrate through the front and rear side walls of the test tube holder, and nuts are provided on the contact surfaces between the front and rear side walls of the test tube holder and the second screw rods.

Preferably, the motor is fixed on the front end of the test tube holder through a support platform.

Preferably, the sleeve plate and the chute plate are connected by fastening bolts.

Preferably, the diameter of the first screw is larger than the diameter of the second screw.

Preferably, a compression spring is provided at the lower end of the chute plate, and the lower end of the compression spring is connected to the supporting base.

Compared with the prior art, the beneficial effect of the present invention is: this chemical experiment uses a test tube support with adjustable aperture and height, adjusts the position of the chute plate in the cover plate, and then connects the chute plate and the cover plate through tightening bolts. Plate, so as to change the height of the test tube holder, second, by using the cooperation of the second screw rod and the nut, adjust the position of the first tube wall clamping block and the second tube wall clamping block, to clamp the test tubes of different diameters, the third , by starting the motor, the rotation of the first screw at this moment can drive the test tube support to move back and forth, thereby changing the working position of the test tube support.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic view of the top view structure of the present invention;

Fig. 3 is a schematic diagram of the left view structure of the present invention;

Fig. 4 is a schematic diagram of the three-dimensional structure of the chute plate of the present invention.

In the figure: 1 support base, 2 compression spring, 3 set bolt, 4 sets of plates, 5 slide block, 6 test tube support, 7 first screw rod, 8 motor, 9 second screw rod, 10 nut, 11 test tube rack body, 12 The first pipe wall clamp block, 13 second pipe wall clamp blocks, 14 round holes, 15 chute plate, 16 chute, 17 threaded holes.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figs. 1-4, the present invention provides a technical solution: a test tube support with adjustable aperture and height for chemical experiments, including a support base 1, and the left and right ends of the support base 1 are provided with sleeve plates 4, The sleeve plate 4 is sleeved with a chute plate 15, and the left and right side walls of the chute plate 15 are provided with threaded holes 17, and the threaded holes 17 are provided with matching set bolts 3, The top of the chute plate 15 is provided with a chute 16, the top of the chute plate 15 is provided with a test tube support 6, and the left and right sides of the bottom of the test tube support 6 are provided with slide blocks 5, and the slide block 5 is located in the chute. 16, the front end of the test tube holder 6 is provided with a motor 8, the motor 8 is provided with a first screw 7, and the first screw 7 runs through the test tube holder 6 from front to back, and the test tube holder 6 uses the first screw 7 is that a round hole 14 is arranged symmetrically to the left and right of the axis, and a test tube rack body 11 is arranged inside the round hole 14, and the test tube rack body 11 is composed of a first tube wall clamping block 12 and a second tube wall clamping block 13. The first pipe wall clamping block 12 is located at the rear end of the second pipe wall clamping block 13, the first pipe wall clamping block 12 and the second pipe wall clamping block 13 are provided with a second screw 9, and the second screw rod 9 respectively run through the front and rear side walls of the test tube support 6, the contact surfaces of the front and rear side walls of the test tube support 6 and the second screw rod 9 are provided with nuts 10, and the motor 8 is fixed on the front end surface of the test tube support 6 through a support platform, The cover plate 4 and the chute plate 15 are connected by a set bolt 3, the diameter of the first screw rod 7 is greater than the diameter of the second screw rod 9, the lower end of the chute plate 15 is provided with a compression spring 2, the The lower end of the compression spring 2 is connected to the support base 1 .

Working principle: adjust the position of the chute plate 15 in the cover plate 4, and then connect the chute plate 15 and the cover plate 4 through the tightening bolt 3, thereby changing the height of the test tube holder 6. Second, by using the second screw rod 9 cooperates with the nut 10 to adjust the position of the first tube wall clamp 12 and the second tube wall clamp 13 to clamp test tubes of different diameters. Third, by starting the motor 8, the rotation of the first screw rod 7 can drive The test tube support 6 moves back and forth, thereby changing the working position of the test tube support 6 .

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

Claims (5)

1. A test tube support with adjustable aperture and height for chemical experiments, comprising a support base (1), characterized in that: the top left and right ends of the support base (1) are provided with cover plates (4), and the cover The plate (4) is sleeved with a chute plate (15), and the left and right side walls of the chute plate (15) are provided with threaded holes (17), and the threaded holes (17) are provided with suitable The matching set bolts (3), the chute (16) is provided above the chute plate (15), the test tube support (6) is provided above the chute plate (15), and the test tube support (6) The left and right sides of the bottom are provided with slide blocks (5), and the slide blocks (5) are located in the chute (16), and the front end of the test tube holder (6) is provided with a motor (8), and the motor (8) There is a first screw (7) on the top, and the first screw (7) runs through the test tube support (6) from front to back, and the test tube support (6) is symmetrically provided with circular holes with the first screw (7) as the axis (14), the test tube rack body (11) is provided in the circular hole (14), and the test tube rack body (11) is composed of the first tube wall clamping block (12) and the second tube wall clamping block (13) composition, the first pipe wall clamp (12) is located at the rear end of the second pipe wall clamp (13), and both the first pipe wall clamp (12) and the second pipe wall clamp (13) are A second screw rod (9) is provided, and the second screw rod (9) runs through the front and rear side walls of the test tube support (6) respectively, and the front and rear side walls of the test tube support (6) and the contact surfaces of the second screw rod (9) are uniform. A nut (10) is provided. 2. A test tube support with adjustable aperture and height for chemical experiments according to claim 1, characterized in that: the motor (8) is fixed on the front end surface of the test tube support (6) through a support platform. 3. A test tube support with adjustable aperture and height for chemical experiments according to claim 1, characterized in that: said cover plate (4) and chute plate (15) are connected by set bolts (3) . 4. A test tube holder with adjustable aperture and height for chemical experiments according to claim 1, characterized in that: the diameter of the first screw (7) is greater than the diameter of the second screw (9). 5. a kind of chemical industry experiment according to claim 1 is characterized in that: the lower end of described chute plate (15) is provided with compression spring (2), and described compression spring ( 2) The lower end is connected to the support base (1).