CN212574437U

CN212574437U - Novel test-tube brush for middle school chemistry experiments

Info

Publication number: CN212574437U
Application number: CN202021635364.4U
Authority: CN
Inventors: 张寿疆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-09
Filing date: 2020-08-09
Publication date: 2021-02-23
Anticipated expiration: 2030-08-09

Abstract

The utility model discloses a novel test-tube brush for middle school's chemistry experiments, including the installation shell, the inside lower extreme of installation shell is provided with the motor, the inside upper end that is located the motor of installation shell is provided with the battery, the equal fixedly connected with brush hair in the outside of second brush-holder stud, third brush-holder stud and block rubber. The utility model has the advantages of reasonable design, protect the position of test tube front end, it breaks to cause the test tube bottom too greatly to exert oneself when preventing to wash the test tube, the security of test tube in the cleaning process has been guaranteed, original integrated structure has been changed simultaneously, become the test tube brush can freely adjust length, thereby the test tube washing who is applicable to different specification length, greatly increased the practicality, and realized the mode of washing the test tube with original manual operation, change into current electronic mode and wash, when facing difficult abluent test tube, can reduce user's the washing degree of difficulty, the effectual cleaning method that improves, the cleaning efficiency is greatly improved.

Description

Novel test-tube brush for middle school chemistry experiments

Technical Field

The utility model relates to a middle school chemistry experiment cleaning device technical field specifically is a novel test-tube brush for middle school chemistry experiments.

Background

The test-tube brush, called the pipe brush again, turn round silk brush, pipeline brush etc. is a brush product that uses very extensively, is used for in chemistry experiment room mostly for wash the inside remaining chemical reagent of test tube, guarantee the inside clean and tidy of test tube, prevent to have chemical reagent to remain and cause the pollution.

The prior art scheme (chinese utility model patent with publication number CN 2018207980042) discloses a high school student uses test tube brush convenient to wash test tube, and this technical scheme needs manual washing test tube in the use, in the face of the chemical reagent that is difficult to clear away, and it is troublesome to use, just can not adjust length.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel test-tube brush for middle school's chemistry experiments to solve defect and problem that propose to CN2018207980042 in the above-mentioned background, can freely adjust length, be applicable to the test tube cleaning of different specification length, increased the practicality, realized that the electric mode washs, reduce user's the washing degree of difficulty, improve the washing mode, improve the cleaning efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel test-tube brush for middle school's chemistry experiments, includes the installation shell, the inside of installation shell is provided with the motor, the inside upper end that is located the motor of installation shell is provided with the battery, the louvre has been seted up to the upper end of installation shell, be provided with the switch in the middle of the upper end of installation shell, the outside fixedly connected with rubber sleeve of installation shell, the inside of installation shell lower extreme rotates through the bearing and is connected with the pivot, the first brush-holder stud of lower extreme fixedly connected with of pivot, the lower extreme of first brush-holder stud is provided with the second brush-holder stud, the lower extreme of second brush-holder stud is provided with the third brush-holder stud, the lower extreme fixedly connected with block rubber of third brush-holder stud, the equal fixedly connected with brush hair in the outside of second brush-.

Preferably, the motor, the battery and the switch are connected in series, and the upper end of the rotating shaft is in transmission connection with the transmission end of the motor.

Preferably, the radiating holes are symmetrically arranged in two groups about a vertical central line of the mounting shell, and the radiating holes in each group are distributed at equal intervals.

Preferably, the centers of the mounting shell, the motor, the battery, the switch, the mounting groove, the rotating shaft, the first brush rod, the second brush rod and the third brush rod are positioned on the same vertical straight line.

Preferably, the lower end of the first brush rod is in threaded connection with the upper end of the second brush rod, and the lower end of the second brush rod is in threaded connection with the upper end of the third brush rod.

Preferably, one end of the rubber block, which is far away from the third brush rod, is designed to be of an arc structure.

Preferably, the bristles are made of PET materials and arranged in a plurality of layers.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting of block rubber protects the position of test tube front end, and too big the test tube bottom that causes breaks hard when preventing to wash the test tube, has guaranteed the security of test tube in the cleaning process.

2. The utility model discloses a threaded connection's setting between first brush-holder stud, second brush-holder stud and the third brush-holder stud has changed original integral structure, becomes the test-tube brush can freely adjust length to this test tube cleaning who is applicable to different specification length has greatly increased the practicality.

3. The utility model discloses a setting of installation shell, motor, battery, louvre and switch has realized changing into the mode that original manual operation washd the test tube and has washd for current electronic mode, when in the face of difficult abluent test tube, can reduce user's the washing degree of difficulty, and effectual improvement cleaning means has improved the cleaning efficiency greatly.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is a schematic structural view of the mounting case, the motor and the battery of the present invention;

fig. 4 is a schematic perspective view of the second embodiment of the present invention;

fig. 5 is a schematic view of the three-dimensional splitting structure of the present invention.

In the figure: 1. mounting a shell; 2. a motor; 3. a battery; 4. heat dissipation holes; 5. a switch; 6. a rubber sleeve; 7. a rotating shaft; 8. a first brush bar; 9. a second brush bar; 10. a third brush bar; 11. a rubber block; 12. and (3) brush hairs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a novel test-tube brush for middle school's chemistry experiments, including installation shell 1, the inside of installation shell 1 is provided with motor 2, the inside upper end that is located motor 2 of installation shell 1 is provided with battery 3, louvre 4 has been seted up to the upper end of installation shell 1, be provided with switch 5 in the middle of the upper end of installation shell 1, the outside fixedly connected with rubber sleeve 6 of installation shell 1, the inside of installation shell 1 lower extreme rotates through the bearing and is connected with pivot 7, the first brush-holder stud 8 of lower extreme fixedly connected with of pivot 7, the lower extreme of first brush-holder stud 8 is provided with second brush-holder stud 9, the lower extreme of second brush-holder stud 9 is provided with third brush-holder stud 10, the lower extreme fixedly connected with block rubber 11 of third brush-holder stud 10, second brush-holder stud 9, the equal fixedly connected with brush hair 12 in.

Further, motor 2, battery 3 and switch 5 series connection, the upper end of pivot 7 is connected with the transmission of motor 2 end transmission, can realize the operation to the test-tube brush through pressing switch 5, and convenient and fast, the practicality is higher.

Further, the louvre 4 is provided with two sets ofly about the vertical central line symmetry of installation shell 1, and every louvre 4 of group is equidistant distribution, and the better heat dissipation of the motor 2 during operation of being convenient for improves motor 2's life.

Furthermore, the centers of the mounting shell 1, the motor 2, the battery 3, the switch 5, the rotating shaft 7, the first brush rod 8, the second brush rod 9 and the third brush rod 10 are located on the same vertical straight line, so that the stability of the test tube brush in use is ensured.

Further, threaded connection is adopted with the upper end of second brush-holder stud 9 to the lower extreme of first brush-holder stud 8, and threaded connection is adopted with the upper end of third brush-holder stud 10 to the lower extreme of second brush-holder stud 9, realizes freely changing the length of test-tube brush to this test tube cleaning demand that adapts to different length.

Further, the one end that third brush pole 10 was kept away from to rubber block 11 adopts the arc structural design, thereby avoids when using, thereby hard too greatly causing the test tube bottom to break.

Further, the bristles 12 are made of PET materials, the bristles 12 are arranged in a plurality of layers, the bristles 12 are made of acid-alkali resistant materials, the service life of the bristles 12 can be effectively prolonged, the number of the bristles 12 is increased, the test tube cleaning can be facilitated, and the cleaning efficiency is improved.

The working principle is as follows: firstly, selecting proper brush holder length according to different test tube lengths, when the length needs to be increased, connecting the upper end of a second brush holder 9 with the lower end of a first brush holder 8 through threads, then connecting the lower end of the second brush holder 9 with the upper end of a third brush holder 10 through threads, after the installation is finished, slowly putting a test tube brush along the inner wall of the test tube until bristles 12 outside the bottom of a rubber block 11 at the bottom of the test tube brush contact the bottom of the test tube, simultaneously tightly attaching the bristles 12 outside the second brush holder 9 and the third brush holder 10 of the test tube brush to the part needing to be cleaned on the inner wall of the test tube, then pressing a switch 5 at the top end of the test tube brush, at the moment, through the serial connection among the switch 5, the motor 2 and the battery 3, so that the motor 2 drives a rotating shaft 7 to rotate, the bristles 12 outside the brush holders are driven by the rotation of the rotating shaft 7 to rotate at the same time, starting the cleaning work, and after the cleaning is finished, press switch 5 that is located the test-tube brush top once more and let motor 2 stall, later with the test-tube brush along the test-tube inner wall, keep away from the direction of test tube bottom, slowly take out can.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel test-tube brush for middle school's chemistry experiments, includes installation shell (1), its characterized in that: a motor (2) is arranged in the installation shell (1), a battery (3) is arranged in the installation shell (1) and is positioned at the upper end of the motor (2), a heat dissipation hole (4) is formed in the upper end of the installation shell (1), a switch (5) is arranged in the middle of the upper end of the installation shell (1), a rubber sleeve (6) is fixedly connected to the outer side of the installation shell (1), a rotating shaft (7) is rotatably connected to the inner portion of the lower end of the installation shell (1) through a bearing, a first brush rod (8) is fixedly connected to the lower end of the rotating shaft (7), a second brush rod (9) is arranged at the lower end of the first brush rod (8), a third brush rod (10) is arranged at the lower end of the second brush rod (9), a rubber block (11) is fixedly connected to the lower end of the third brush rod (10), brush bristles (12) are fixedly connected to the outer sides of the second brush rod (9), the third brush rod (10, the motor (2) and the battery (3) are connected with the switch (5) in series, and the upper end of the rotating shaft (7) is in transmission connection with the transmission end of the motor (2).

2. The novel test tube brush for middle school chemistry experiments as claimed in claim 1, wherein: the radiating holes (4) are symmetrically arranged in two groups about the vertical central line of the mounting shell (1), and each group of radiating holes (4) are distributed at equal intervals.

3. The novel test tube brush for middle school chemistry experiments as claimed in claim 1, wherein: the centers of the mounting shell (1), the motor (2), the battery (3), the switch (5), the rotating shaft (7), the first brush rod (8), the second brush rod (9) and the third brush rod (10) are positioned on the same vertical straight line.

4. The novel test tube brush for middle school chemistry experiments as claimed in claim 1, wherein: the lower end of the first brush rod (8) is in threaded connection with the upper end of the second brush rod (9), and the lower end of the second brush rod (9) is in threaded connection with the upper end of the third brush rod (10).

5. The novel test tube brush for middle school chemistry experiments as claimed in claim 1, wherein: and one end of the rubber block (11) far away from the third brush rod (10) adopts an arc-shaped structural design.

6. The novel test tube brush for middle school chemistry experiments as claimed in claim 1, wherein: the bristles (12) are made of PET materials, and the bristles (12) are arranged in a plurality of layers.