CN215427408U

CN215427408U - Extraction device for teaching nutrition ratio experiments

Info

Publication number: CN215427408U
Application number: CN202121402997.5U
Authority: CN
Inventors: 王茜
Original assignee: Zibo Vocational Institute
Current assignee: Zibo Vocational Institute
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-07
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses an extraction device for teaching nutrition proportioning experiments, which comprises a base, wherein the top of the base is provided with a vertical rod, an alcohol lamp and a conical flask, the top end of the vertical rod is fixedly provided with a screw rod, the right end of the side wall of the vertical rod is fixedly provided with a placing ring, the top of the placing ring is provided with the flask, the flask is provided with a condensation pipe, the side wall of the vertical rod is sleeved with a moving ring, the bottom end of the moving ring is provided with a limiting piece, and the screw rod is screwed with an internal thread ring. Avoid the external force reason to make the flask drop, guarantee going on smoothly of experiment.

Description

Extraction device for teaching nutrition ratio experiments

Technical Field

The utility model relates to the technical field of extraction devices, in particular to an extraction device for teaching nutrition proportioning experiments.

Background

Extraction element of nutrition ratio experiment teaching usefulness comprises alcohol burner, flask, condenser pipe and erlenmeyer flask, seals up the top of flask through the jam during use, but the experiment is accomplished the back, and the experimenter need take off the jam through the hand, but the jam temperature is higher, appears scalding the potential safety hazard easily, for this reason, we propose an extraction element for teaching nutrition ratio experiment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an extraction device for teaching nutrition proportioning experiments, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an extraction device for teaching nutrition ratio experiments, the on-line screen storage device comprises a base, pole setting, alcohol burner and erlenmeyer flask are installed to the top of base, the top fixed mounting of pole setting has the screw rod, the lateral wall right-hand member fixed mounting of pole setting has the ring of placing, the top of placing the ring is equipped with the flask, install the condenser pipe on the flask, the cover is equipped with the shift ring on the lateral wall of pole setting, the bottom of shift ring is equipped with the locating part, the spiro union has the internal thread ring on the screw rod, the installation pole is installed at both ends about the internal thread ring, the bottom of installation pole is equipped with rotates the piece, it connects on the lateral wall of shift ring to rotate the piece, the right-hand member fixed mounting of shift ring has the connecting rod, the right-hand member fixed mounting of connecting rod has the jam, the jam is located the top of flask.

Preferably, the locating part includes the diaphragm, be equipped with the rectangle mouth on the lateral wall of pole setting, both sides are relative slip with the inside front and back wall of rectangle mouth respectively around the diaphragm, both ends are fixed mounting respectively about the bottom of shift ring about both ends about the top of diaphragm.

Preferably, the rotating part comprises a circular ring, the outer side wall of the circular ring is fixedly installed at the bottom end of the installation rod, the outer side wall of the moving ring is provided with an annular groove, and the circular ring is located in the annular groove.

Preferably, the fixing rods are installed at the left end and the right end of the internal thread ring.

Preferably, the plug comprises a circular plate, the top of the circular plate is fixedly installed at the right end of the connecting rod, a rubber layer is fixedly installed on the circular plate, and a rubber column is integrally formed at the bottom of the rubber layer.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the screw rod is installed at the top end of the upright rod, the internal thread ring is screwed on the screw rod, the internal thread ring is connected with the moving ring through the rotating part, the moving ring is connected with the plug through the connecting rod, the moving ring can move upwards by rotating the internal thread ring, so that the plug is separated from the top end of the flask, and then the top end of the flask is opened, the plug is not required to be manually disassembled and assembled by an experimenter, the safety hazard of scalding is avoided, the flask can be fixed through the plug controlled by the internal thread ring, the flask is prevented from falling off due to external force, and the smooth operation of an experiment is ensured.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a schematic view of the present invention at a.

In the figure: 1. the base, 2, pole setting, 3, alcohol burner, 4, erlenmeyer flask, 5, place the ring, 6, flask, 7, condenser pipe, 8, removal ring, 9, locating part, 10, connecting rod, 11, jam, 12, screw rod, 13, internal thread ring, 14, installation pole, 15, rotation piece, 16, diaphragm, 17, rectangle mouth, 18, ring, 19, annular, 20, dead lever, 21, plectane, 22, rubber layer, 23, rubber column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides an extraction device for teaching nutrition ratio experiment, the on-line screen storage device comprises a base 1, pole setting 2 is installed at base 1's top, alcohol burner 3 and erlenmeyer flask 4, the top fixed mounting of pole setting 2 has screw rod 12, the lateral wall right-hand member fixed mounting of pole setting 2 has places ring 5, the top of placing ring 5 is equipped with flask 6, install condenser pipe 7 on flask 6, the cover is equipped with shift ring 8 on the lateral wall of pole setting 2, shift ring 8 is the riser form, shift ring 8's bottom is equipped with locating part 9, the spiro union has interior screw thread ring 13 on the screw rod 12, installation pole 14 is installed at both ends about interior screw thread ring 13, the bottom of installation pole 14 is equipped with rotates piece 15, it connects on shift ring 8's the lateral wall to rotate piece 15, shift ring 8's right-hand member fixed mounting has connecting rod 10, connecting rod 10's right-hand member fixed mounting has jam 11, it is located flask 6's top to block up 11.

Specifically, the limiting part 9 includes a transverse plate 16, a rectangular opening 17 is formed in a side wall of the vertical rod 2, front and rear sides of the transverse plate 16 slide relative to front and rear walls inside the rectangular opening 17, left and right ends of a top of the transverse plate 16 are fixedly mounted at left and right ends of a bottom of the moving ring 8, and the limiting part 9 is used for limiting a movement track of the moving ring 8 and the plug 11, so that the moving ring 8 and the plug 11 can only move up and down.

Specifically, the rotating member 15 includes a ring 18, an outer side wall of the ring 18 is fixedly mounted at the bottom end of the mounting rod 14, an outer side wall of the moving ring 8 is provided with a ring groove 19, the ring 18 is located in the ring groove 19, the ring 18 can rotate in the ring groove 19, but the ring 18 cannot move up and down, back and forth, and left and right in the ring groove 19.

Specifically, the fixing rods 20 are installed at the left end and the right end of the internal thread ring 13, and the internal thread ring 13 is conveniently rotated due to the arrangement of the fixing rods 20.

Specifically, the plug 11 includes a circular plate 21, the top of the circular plate 21 is fixedly attached to the right end of the connecting rod 10, a rubber layer 22 is fixedly attached to the circular plate 21, a rubber column 23 is integrally formed at the bottom of the rubber layer 22, the bottom edge of the rubber layer 22 is closely attached to the top end of the flask 6, and the rubber column 23 is inserted into the top end opening of the flask 6.

The working principle is as follows: when the top end opening of the flask 6 is opened, the internal thread ring 13 is rotated, so that the internal thread ring 13 drives the movable ring 8 to move upwards through the mounting rod 14 and the rotating piece 15, and further the plug 11 moves upwards to be separated from the top end of the flask 6.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an extraction device for teaching nutrition ratio experiments which characterized in that: comprises a base (1), a vertical rod (2), an alcohol lamp (3) and a conical flask (4) are installed at the top of the base (1), a screw rod (12) is installed at the top of the vertical rod (2), a placing ring (5) is installed at the right end of the side wall of the vertical rod (2), a flask (6) is arranged at the top of the placing ring (5), a condensation pipe (7) is installed on the flask (6), a moving ring (8) is sleeved on the side wall of the vertical rod (2), a limiting part (9) is arranged at the bottom end of the moving ring (8), an internal thread ring (13) is screwed on the screw rod (12), installation rods (14) are installed at the left end and the right end of the internal thread ring (13), a rotating part (15) is arranged at the bottom end of the installation rods (14), the rotating part (15) is connected to the outer side wall of the moving ring (8), a connecting rod (10) is fixedly installed at the right end of the moving ring (8), the right end of the connecting rod (10) is fixedly provided with a plug (11), and the plug (11) is positioned at the top end of the flask (6).

2. The extraction device for teaching nutrition proportioning experiments as claimed in claim 1, wherein: locating part (9) are including diaphragm (16), be equipped with rectangle mouth (17) on the lateral wall of pole setting (2), both sides are relative slip with the inside front and back wall of rectangle mouth (17) respectively around diaphragm (16), both ends are both ends about the top of diaphragm (16) fixed mounting respectively about the bottom of shift ring (8).

3. The extraction device for teaching nutrition proportioning experiments as claimed in claim 1, wherein: rotate piece (15) and include ring (18), the lateral wall fixed mounting of ring (18) is in the bottom of installation pole (14), the lateral wall of removal ring (8) is equipped with annular (19), ring (18) are located annular (19).

4. The extraction device for teaching nutrition proportioning experiments as claimed in claim 1, wherein: and fixing rods (20) are arranged at the left end and the right end of the internal thread ring (13).

5. The extraction device for teaching nutrition proportioning experiments as claimed in claim 1, wherein: the plug (11) comprises a circular plate (21), the top of the circular plate (21) is fixedly installed at the right end of the connecting rod (10), a rubber layer (22) is fixedly installed on the circular plate (21), and a rubber column (23) is integrally formed at the bottom of the rubber layer (22).