CN210043413U

CN210043413U - Test tube brush

Info

Publication number: CN210043413U
Application number: CN201920567246.5U
Authority: CN
Inventors: 毛锦茗
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-02-11
Anticipated expiration: 2029-04-24

Abstract

The utility model relates to a test-tube brush relates to the experimental device field, including brush-holder stud and brush holder, brush-holder stud one end and brush holder open end sliding connection are equipped with a plurality of through-holes on the brush holder wall, brush hair one end fixed connection on the brush-holder stud, and the brush hair other end passes the through-hole and stretches out outside the brush holder. The utility model discloses can adjust test tube brush upper hair brush length according to the specification of waiting to wash the test tube, need not change the test tube brush.

Description

Test tube brush

Technical Field

The utility model relates to an experimental device field, especially a test-tube brush.

Background

The test tube is a laboratory equipment, and in the process of experiment, need debug the ratio with the help of the test tube to the material. In the process of cleaning the test tube, the cleaning work of the test tube needs to be completed by a test tube brush. The specification of test tube has big or small, in order to reach the efficient cleaning performance, can select the test tube brush with test tube specification looks adaptation to its accurate washing at abluent in-process, but the brush length setting of current test tube brush is fixed, washs the test tube of different specifications, will change the test tube brush of different specifications, brings inconvenience for the cleaning work like this, causes work efficiency low.

The utility model relates to a test-tube brush (application number CN 201720875725.4) discloses one kind in prior art china's utility model a can be according to the specification of waiting to wash the test tube, adjusts the test-tube brush of brush length on the test-tube brush, and above-mentioned scheme utilizes the rubber circle on the brush-holder stud, and the round trip movement between first spacing ring on leading to the inslot wall and second spacing ring can play the effect of adjusting brush length on the test-tube brush. The disadvantage of this solution is that the internal structure is somewhat complex, for example a long brush is hinged to the brush bar, which may be damaged during handling, and the tube brush may be exposed to various liquids often, which over time may affect the internal structure, for example rust.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a test-tube brush is provided, the brush length setting that can overcome current test-tube brush is fixed, need change the technical defect of the test-tube brush of different specifications when wasing the test tube of different specifications, can realize adjusting the technical effect of the test-tube brush of brush length in order to be suitable for the test tube of different specifications through simple structure.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a test tube brush comprises a brush rod and a brush sleeve, wherein one end of the brush rod is in sliding connection with the open end of the brush sleeve, a plurality of through holes are formed in the wall of the brush sleeve, one end of brush hair is fixedly connected to the brush rod, and the other end of the brush hair penetrates through the through holes and extends out of the brush sleeve.

In the preferred scheme, the inner wall of the brush sleeve is provided with a sliding groove, the brush rod is provided with a sliding block corresponding to the sliding groove, and the brush rod is connected with the brush sleeve in a sliding manner along the sliding groove.

In the preferred scheme, be fixed with the clamp on the brush cover, be equipped with one row of constant head tank that agrees with the clamp on the slider.

In the preferred scheme, the clamp includes fixed part and rotating part, and rotating part one end is passed through the rotation axis and is connected in fixed part one end, and the rotating part other end passes through the buckle and is connected with the fixed part.

In a preferred scheme, the through hole is provided with a curve section close to the inner wall, and one end of the curve section close to the inner wall is higher.

In a preferred scheme, a straight line section or an upward inclined section is arranged on the through hole close to the outer wall, and the bottom of the upward inclined section is higher at one end close to the outer wall.

In a preferable scheme, the other end of the brush rod is fixedly connected with a handle.

In a preferable scheme, the surface of the handle is provided with anti-skid stripes.

In a preferred embodiment, the bristles are of a flexible material.

In a preferred embodiment, the bristle material includes nylon wire, steel wire or abrasive wire.

The utility model has the advantages that: the length of the upper brush of the test tube brush can be adjusted according to the specification of the test tube to be washed, and the test tube brush does not need to be replaced.

Drawings

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a drawing-up schematic view of the present invention.

Fig. 3 is a schematic view of the local through hole of the present invention.

Fig. 4 is a side view of the middle clamp according to the present invention.

Fig. 5 is a connection front view of the middle clamp of the present invention.

Fig. 6 is a connection plan view of the middle clamp according to the present invention.

Fig. 7 is a schematic view of the clamp according to the present invention after the rotation portion is opened.

Fig. 8 is a schematic view of the clamp of the present invention.

Fig. 9 is a schematic view of the buckle connection of the present invention.

Fig. 10 is a schematic diagram of the prior art.

Fig. 11 is a schematic diagram of a second prior art.

In the figure: the brush holder comprises a handle 1, a brush rod 2, a sliding block 3, a sliding groove 4, a brush sleeve 5, bristles 6, through holes 7, a hoop 8, a fixing portion 81 and a rotating portion 82.

Detailed Description

As shown in figures 1-11, a test tube brush comprises a brush rod 2 and a brush sleeve 5, wherein one end of the brush rod 2 is slidably connected with the open end of the brush sleeve 5, a plurality of through holes 7 approximately vertical to the wall are formed in the wall of the brush sleeve 5, one end of a brush hair 6 is fixedly connected to the brush rod 2, and the other end of the brush hair 6 penetrates through the through holes 7 and extends out of the brush sleeve 5.

Above-mentioned structure can be adjusted test tube brush and go up brush length in order to adapt to treating of different specifications and wash the test tube, need not prepare the test tube brush of multiple specification, also need not change the test tube brush during the use.

In the preferred scheme, the inner wall of the brush sleeve 5 is provided with a sliding groove 4, the brush rod 2 is provided with a sliding block 3 corresponding to the sliding groove 4, and the brush rod 2 and the brush sleeve 5 are in sliding connection along the sliding groove 4. The structure can enable the brush rod to move along the sliding groove, and the cleaning range of the test tube brush is changed by driving the brush hairs to move, so that the brush rod is prevented from rotating in the brush sleeve.

In the preferred scheme, be fixed with clamp 8 on the brush cover 5, be equipped with one row of constant head tank that agrees with clamp 8 on the slider 3. In order to prevent the brush rod from moving along the sliding groove during cleaning, the brush rod is moved up and down before use to adjust the length of the brush hair, and after a proper position is found, the brush rod is fixed by the clamping of the clamping hoop in the positioning groove at the corresponding position.

In a preferred embodiment, the clamp 8 includes a fixing portion 81 and a rotating portion 82, one end of the rotating portion 82 is connected to one end of the fixing portion 81 through a rotating shaft, and the other end of the rotating portion 82 is connected to the fixing portion 81 through a buckle.

The rotating part can be made of elastic materials, for example, plastic materials with certain flexibility, and the maximum characteristic of the buckle connection is that the installation and the disassembly are convenient, and the disassembly without tools can be realized. For example, as shown in fig. 6 to 9, the fixing portion can be connected to the fixing portion through the buckle only by applying a certain pressure to the rotating portion, and the buckle can be disengaged after applying a certain separating force to the rotating portion during separation, so that the rotating portion can rotate around the rotating shaft within a certain angle range.

In a preferred scheme, a curve section is arranged on the through hole 7 close to the inner wall, and one end of the curve section close to the inner wall is higher.

In a preferred scheme, a straight line section or an upward inclined section is arranged on the through hole 7 close to the outer wall, and the bottom of the upward inclined section is higher at one end close to the outer wall.

As shown in fig. 3, the through hole a in fig. 2 is enlarged, and the through hole is provided with curve segments ab and de near the inner wall, wherein one end of the curve segment near the inner wall is higher, and the curve segment is at one side of a point a and one side of a point d in the figure; the through hole is equipped with straightway or tilt-up section ef, bc near the outer wall, and the bottom bc of tilt-up section is higher near the one end of outer wall, is point c one side in the figure. The structure design facilitates the movement of the bristles in the through holes, and the inclined sections bc can enable the bristle penetrating parts to be approximately horizontally distributed in an overcorrection mode when in use, so that the test tubes are easier to clean.

In a preferred scheme, the other end of the brush rod 2 is fixedly connected with a handle 1. The handle facilitates the sliding of the brush rod by the user.

In a preferable scheme, the surface of the handle 1 is provided with anti-skid stripes. When the anti-skid stripe is arranged, unnecessary equipment damage caused by wet and slippery test tube brushes can be avoided.

In a preferred embodiment, the bristles are of a flexible material.

In a preferred embodiment, the bristle material includes nylon wire, steel wire or abrasive wire. The material of brush hair includes but not limited to above-mentioned nylon wire, steel wire or abrasive wire, and the brush hair that these materials were made all has certain toughness, can keep certain shape after wearing out the through-hole and can not hang down, can adapt to the specification of treating the washing test tube.

The manufacturing method of the test tube brush is not complicated, the brush hair can penetrate through the through hole from the outside to the inside of the brush sleeve, a short section is left at one end of the outside, one end of the inside extends to the opening of the brush sleeve, and the length of each bundle of the brush hair is adjusted, cut and fixed on the brush rod in order. The brush hair can be directly adhered to the brush rod through an adhesive, or the brush hair can pass through a sieve plate, one end of the brush hair is positioned between the sieve plate and the brush rod, and then the sieve plate and the brush rod are welded together, so that the brush hair is fixed on the brush rod. The method of welding is more complicated in process but more secure in connection than the method of adhesive bonding. In the prior art, the test tube brush with all bristles and the combined test tube brush with the bristles and the sponge at the bottom end are adopted, some test tube brushes are smaller than a test tube cavity, for example, as shown in fig. 10, the inner wall of the test tube brush is not easy to clean; some test tube brushes are larger than the test tube cavity, for example, fig. 11, when the test tube brushes extend into the test tube, the sponge at the bottom end can be squeezed and deformed, and the bristles cannot easily clean the lower part of the test tube.

Claims

1. A test tube brush is characterized in that: the novel brush rod comprises a brush rod (2) and a brush sleeve (5), wherein one end of the brush rod (2) is in sliding connection with the open end of the brush sleeve (5), a plurality of through holes (7) are formed in the wall of the brush sleeve (5), one end of a brush hair (6) is fixedly connected to the brush rod (2), and the other end of the brush hair (6) penetrates through the through holes (7) and extends out of the brush sleeve (5); the inner wall of the brush sleeve (5) is provided with a sliding chute (4), the brush rod (2) is provided with a sliding block (3) corresponding to the sliding chute (4), and the brush rod (2) is connected with the brush sleeve (5) in a sliding manner along the sliding chute (4); a hoop (8) is fixed on the brush sleeve (5), and a row of positioning grooves matched with the hoop (8) are formed in the sliding block (3); the clamp (8) comprises a fixing portion (81) and a rotating portion (82), one end of the rotating portion (82) is connected to one end of the fixing portion (81) through a rotating shaft, and the other end of the rotating portion (82) is connected with the fixing portion (81) through a buckle.

2. A test tube brush as claimed in claim 1, wherein: the through hole (7) is provided with a curve section near the inner wall, and one end of the curve section near the inner wall is higher.

3. A test tube brush as claimed in claim 1, wherein: through-hole (7) are being close to the outer wall and are being equipped with straightway or tilt-up section, and the bottom of tilt-up section, the one end that is close to the outer wall is higher.

4. A test tube brush as claimed in claim 1, wherein: the other end of the brush rod (2) is fixedly connected with a handle (1).

5. A test tube brush as claimed in claim 4, wherein: the surface of the handle (1) is provided with anti-skid stripes.

6. A test tube brush as claimed in claim 1, wherein: the bristles (6) are made of flexible materials.

7. A test tube brush as claimed in claim 1, wherein: the bristles (6) are made of nylon wires, steel wires or abrasive wires.