CN210581521U

CN210581521U - Teaching instrument is with be convenient for clear test-tube brush

Info

Publication number: CN210581521U
Application number: CN201921458217.1U
Authority: CN
Inventors: 沈华峰
Original assignee: Zhejiang Fanhuang Industry Co Ltd
Current assignee: Zhejiang Fanhuang Industry Co Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-05-22
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a teaching instrument is with test-tube brush convenient to it is clean, including spliced pole and washing sponge, the inside screw thread mouth that is provided with of one end of spliced pole, and the inside of screw thread mouth runs through threaded post, the end-to-end connection of threaded post has the support column, and the outer wall parcel of support column has the rubber sleeve, it hugs closely in the outer wall of rubber sleeve to wash the sponge, the inside both sides of spliced pole are provided with the spout, the terminal outside of slider is provided with outstanding piece, the top of slider is connected with the fore-set. This teaching instrument is with being convenient for clear test-tube brush is provided with support column and rubber sleeve, and the bottom of wasing the sponge is the structure of arc structure and test-tube inner wall bottom and suits, is favorable to this test-tube brush to clear up test-tube inside comprehensively, when needs are cleared up this test-tube brush after that, only needs to exert oneself to extract the support column from the inside of rubber sleeve just can wash the sponge comprehensively, is favorable to preventing to wash the dead angle and produces.

Description

Teaching instrument is with be convenient for clear test-tube brush

Technical Field

The utility model relates to a clean technical field of teaching instrument specifically is a teaching instrument is with clean test-tube brush of being convenient for.

Background

The test tube brush is called tube brush, suction tube brush, hole cleaning brush, twisted wire brush and pipeline brush, and is a widely used brush product, which is mainly composed of iron wire (steel wire) as skeleton and many fine brush wires arranged in order and extending outwards.

The existing test tube brush mainly uses iron wires (steel wires) as a framework, so that rust is not easy to generate after long-term use, and dead angles are easy to generate in the aspect of cleaning, for example: the connection part of the thin brush wire and the framework is not beneficial to cleaning, and a test tube brush convenient to clean for a teaching instrument is provided for the above situation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching instrument is with being convenient for clear test-tube brush to propose general test-tube brush in solving above-mentioned background and make the skeleton by iron wire (steel wire), should not use for a long time and produce the rust easily, and current test-tube brush produces the dead angle in the aspect of the clearance easily, for example: the connection between the fine brush wire and the framework is not beneficial to the cleaning work.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a teaching instrument is with test-tube brush convenient to it is clean, includes spliced pole and washing sponge, the inside screw thread mouth that is provided with of one end of spliced pole, and the inside of screw thread mouth runs through threaded post, the end-to-end connection of threaded post has the support column, and the outer wall parcel of support column has the rubber sleeve, it hugs closely in the outer wall of rubber sleeve to wash the sponge, the inside both sides of spliced pole are provided with the spout, and the inside of spout is provided with the slider, the terminal outside of slider is provided with outstanding piece, and the top inboard of slider is provided with blocks the piece, the top of slider is connected with the fore-set, and the top of fore-set is.

Preferably, the connecting column is of a cylindrical structure, and the connecting column forms a detachable structure through the threaded opening and the threaded column.

Preferably, the size of the outer opening of the supporting column is larger than that of the outer opening of the rubber sleeve, and the rubber sleeve is connected with the cleaning sponge in a viscose adhesion mode.

Preferably, the sliding blocks form a sliding structure with the connecting column through the sliding grooves, and the sliding blocks are symmetrically distributed around the central axis of the connecting column.

Preferably, the sliding block and the protruding block are of an injection molding integrated structure, and the inner side face of the sliding block is attached to the outer side face of the blocking block.

Preferably, the central axis of the top pillar coincides with the central axis of the hanging ring, and the bottom surface of the top pillar is attached to the top surface of the stop block.

Compared with the prior art, the beneficial effects of the utility model are that: this teaching instrument is with being convenient for clear test-tube brush is provided with the spliced pole, the spliced pole suits for the inner structure of cylindric structure and test tube, be favorable to stretching into the test tube smoothly with this test-tube brush inside, and the spliced pole passes through and constitutes detachable construction between screw thread mouth and the screw thread post, it just can be fixed in the spliced pole bottom or dismantle from the spliced pole bottom with it to rotate the screw thread post, this easy operation is convenient, make things convenient for student's operation, and conveniently carry out the detail clearance after dismantling, improve the cleanliness of this test-tube brush.

This teaching instrument is with being convenient for clear test-tube brush is provided with the support column, the outer wall parcel of support column has the rubber sleeve, the outer mouthful size of support column is greater than the outer mouthful size of rubber sleeve, because the rubber sleeve has certain ductility, can receive the extrusion of rubber sleeve when the support column inserts the rubber sleeve inside, thereby make the rubber sleeve be fixed in the outer wall of support column, and the outer wall gluing of rubber sleeve even has the washing sponge, the bottom of washing sponge is the structure of arc structure and test-tube inner wall bottom and suits, be favorable to this test-tube brush to carry out comprehensive clearance to test-tube inside, when needs clear up this test-tube brush after that, only need extract the support column from the inside of rubber sleeve with strength and just can carry out comprehensive washing to the washing sponge, be favorable to preventing to wash the dead angle and produce.

This teaching instrument is with being convenient for clear test-tube brush is provided with sliding construction, and the slider passes through to constitute sliding construction between spout and the spliced pole, and the slider removes about the direction of spout, and self length can be adjusted through sliding construction to this test-tube brush, is favorable to clearing up the not unidimensional test tube, prevents that test tube length overlength test-tube brush can't carry out the problem appearance of comprehensive clearance.

This teaching instrument is with being convenient for clear test-tube brush is provided with outstanding piece, only need press the outstanding piece that comes from the inside protrusion of spout when the size of this test-tube brush is adjusted to needs, then remove the size that just can adjust this test-tube brush about moving, thereby loosen outstanding piece behind the outstanding piece and carry out the size through blockking that the block reconversion card owner spout carries out the size fixed, be favorable to the test-tube brush size after the fixed adjustment, and the slider is for moulding plastics the integral structure with outstanding piece, be favorable to improving the holistic steadiness of this test-tube brush, prevent that the part from droing.

This teaching instrument is with being convenient for clear test-tube brush is provided with the link, can hang on the couple through the link after the test-tube brush finishes using, is favorable to placing of test-tube brush, prevents that the test-tube brush from putting everywhere and causing the interference when operating the student, and washs this test-tube brush self and also accessible link is hung and carries out the sunning on the couple and air-dry, is favorable to improving the cleaning efficiency to this test-tube brush.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the explosion structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. connecting columns; 2. a threaded opening; 3. a threaded post; 4. a support pillar; 5. a rubber sleeve; 6. cleaning the sponge; 7. a chute; 8. a slider; 9. a protruding block; 10. a blocking block; 11. a top pillar; 12. and (5) hanging a ring.

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. 1-3, the present invention provides a technical solution: a test tube brush convenient to clean for teaching instruments comprises a connecting column 1 and a cleaning sponge 6, wherein a threaded opening 2 is formed in one end of the connecting column 1, a threaded column 3 penetrates through the threaded opening 2, the connecting column 1 is of a cylindrical structure, the connecting column 1 forms a detachable structure through the threaded opening 2 and the threaded column 3, the connecting column 1 is of a cylindrical structure and is adaptive to the internal structure of a test tube, the test tube brush can smoothly extend into the test tube, the connecting column 1 forms a detachable structure through the threaded opening 2 and the threaded column 3, the threaded column 3 can be fixed at the bottom of the connecting column 1 or detached from the bottom of the connecting column 1 by rotating, the operation is simple and convenient, the operation of students is convenient, details can be conveniently cleaned after detachment, and the cleanliness of the test tube brush is improved;

the tail end of the threaded column 3 is connected with a supporting column 4, the outer wall of the supporting column 4 is wrapped with a rubber sleeve 5, a cleaning sponge 6 is tightly attached to the outer wall of the rubber sleeve 5, the size of an outer opening of the supporting column 4 is larger than that of the outer opening of the rubber sleeve 5, the rubber sleeve 5 is connected with the cleaning sponge 6 in a viscose adhesion mode, the outer wall of the supporting column 4 is wrapped with the rubber sleeve 5, the size of the outer opening of the supporting column 4 is larger than that of the outer opening of the rubber sleeve 5, the rubber sleeve 5 has certain ductility and can be extruded by the rubber sleeve 5 when the supporting column 4 is inserted into the rubber sleeve 5, so that the rubber sleeve 5 is fixed on the outer wall of the supporting column 4, the outer wall viscose adhesion of the rubber sleeve 5 is adhered with the cleaning sponge 6, the bottom of the cleaning sponge 6 is of an arc structure and is matched with the structure at the bottom of the inner wall of a test tube, which is beneficial to, the cleaning sponge 6 can be cleaned completely only by pulling the support column 4 out of the rubber sleeve 5 with force, which is beneficial to preventing cleaning dead corners;

the test tube brush is characterized in that sliding grooves 7 are formed in two sides of the interior of the connecting column 1, sliding blocks 8 are arranged in the sliding grooves 7, the sliding blocks 8 form a sliding structure with the connecting column 1 through the sliding grooves 7, the sliding blocks 8 are symmetrically distributed about the central axis of the connecting column 1, the sliding blocks 8 move left and right along the direction of the sliding grooves 7, the length of the test tube brush can be adjusted through the sliding structure, test tubes with different sizes can be cleaned conveniently, and the problem that the test tube brush cannot be cleaned comprehensively due to the fact that the test tubes are too long is solved;

the outer side of the tail end of the sliding block 8 is provided with a protruding block 9, the inner side of the top end of the sliding block 8 is provided with a blocking block 10, the sliding block 8 and the protruding block 9 are of an injection molding integrated structure, the inner side face of the sliding block 8 is attached to the outer side face of the blocking block 10, when the size of the test tube brush needs to be adjusted, the protruding block 9 protruding from the inside of the sliding groove 7 only needs to be pressed to enable the sliding block 8 to move left and right along the direction of the sliding groove 7 so as to adjust the size of the test tube brush, after the protruding block 9 is loosened, the protruding block 9 is restored to the original shape through the blocking block 10 so as to clamp the main sliding groove 7 to fix the size, the size of the adjusted test tube brush can be fixed, the sliding block 8 and the protruding block 9;

the top of slider 8 is connected with fore-set 11, and the top of fore-set 10 is provided with link 12, coincide each other between the axis of fore-set 11 and the axis of link 12, and the bottom surface of fore-set 11 is laminated with the top surface that blocks piece 10 mutually, can hang on the couple through link 12 after the test-tube brush finishes using, be favorable to placing of test-tube brush, prevent that the test-tube brush from putting the interference when operating the student everywhere, and do and hang on the couple through link 12 and air-dry to this test-tube brush self after wasing, be favorable to improving the cleaning efficiency to this test-tube brush.

The working principle is as follows: when the easy-to-clean test tube brush for the teaching instrument is used, the size of the test tube brush is adjusted according to the size of a test tube to be cleaned, the size of the test tube brush is adjusted by only pressing the protruding block 9 protruding from the inside of the chute 7 to enable the slider 8 to move left and right along the direction of the chute 7, then the protruding block 9 is loosened, the protruding block 9 is restored through the blocking block 10 to clamp the main chute 7 for size fixing, the size of the adjusted test tube brush is favorably fixed, the slider 8 and the protruding block 9 are of an injection molding integrated structure, the overall stability of the test tube brush is favorably improved, parts are prevented from falling off, then the cleaning sponge 6 is plugged into the test tube, the inside of the test tube can be cleaned by rotating the connecting column 1, the bottom of the cleaning sponge 6 is in an arc structure to be matched with the structure at the bottom of the inner wall of the test tube, and the test tube brush is favorably used for comprehensively cleaning the inside of, later when needs rinse this test-tube brush, extract support column 4 from the inside of rubber sleeve 5 hard and just can wash washing sponge 6 comprehensively, be favorable to preventing to wash the dead angle product, and rotate screw post 3 and just can be fixed in spliced pole 1 bottom or follow and dismantle it from spliced pole 1 bottom with it, this easy operation is convenient, make things convenient for student's operation, and conveniently carry out the detail clearance after dismantling, improve the cleanliness of this test-tube brush, it also can hang through link 12 and air-dry on the couple to carry out the sunning after rinsing this test-tube brush self at last, be favorable to improving the cleaning efficiency to this test-tube brush, this is exactly this teaching instrument is with the theory of operation of the test-tube brush of being convenient for it is clean.

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 teaching instrument is with test-tube brush convenient to it is clean, includes spliced pole (1) and washing sponge (6), its characterized in that: the utility model discloses a cleaning sponge for the building, including spliced pole (1), the inside screw thread mouth (2) that is provided with of one end of spliced pole (1), and the inside of screw thread mouth (2) runs through and have screw thread post (3), the end-to-end connection of screw thread post (3) has support column (4), and the outer wall parcel of support column (4) has rubber sleeve (5), wash sponge (6) and hug closely in the outer wall of rubber sleeve (5), the inside both sides of spliced pole (1) are provided with spout (7), and the inside of spout (7) is provided with slider (8), the terminal outside of slider (8) is provided with outstanding piece (9), and the top inboard of slider (8) is provided with blocks piece (10), the top of slider (8) is connected with fore-set (11), and the top of fore-set (11.

2. The easy-to-clean test tube brush for teaching instruments as claimed in claim 1, wherein: the connecting column (1) is of a cylindrical structure, and the connecting column (1) forms a detachable structure through the threaded opening (2) and the threaded column (3).

3. The easy-to-clean test tube brush for teaching instruments as claimed in claim 1, wherein: the outer opening size of the support column (4) is larger than that of the rubber sleeve (5), and the rubber sleeve (5) is connected with the cleaning sponge (6) in a viscose adhesion mode.

4. The easy-to-clean test tube brush for teaching instruments as claimed in claim 1, wherein: the sliding blocks (8) form a sliding structure with the connecting column (1) through the sliding grooves (7), and the sliding blocks (8) are symmetrically distributed about the central axis of the connecting column (1).

5. The easy-to-clean test tube brush for teaching instruments as claimed in claim 1, wherein: the sliding block (8) and the protruding block (9) are of an injection molding integrated structure, and the inner side face of the sliding block (8) is attached to the outer side face of the blocking block (10).

6. The easy-to-clean test tube brush for teaching instruments as claimed in claim 1, wherein: the central axis of the top pillar (11) and the central axis of the hanging ring (12) are overlapped, and the bottom surface of the top pillar (11) is attached to the top surface of the stop block (10).