CN218650759U - Crucible cleaning brush - Google Patents

Abstract

The application discloses crucible cleaning brush to solve the problem that the adoption brush that prior art exists wastes time and energy, work efficiency is low and wash not thorough when wasing polytetrafluoroethylene crucible. The application includes: the size of the brush head is matched with that of the crucible, and a brush head sleeve is sleeved outside the brush head; the front end of the iron rod is connected with the brush head through a support rod, and the rear end of the iron rod is arranged on a drill chuck at the front end of the electric hand drill body; the electric hand drill is used by combining the iron rod, the brush head and the brush head sleeve with the electric hand drill, so that the working efficiency of cleaning the polytetrafluoroethylene crucible is greatly improved, the cleaning time is saved, and the electric hand drill is simple in overall structure, convenient to use, time-saving, labor-saving and good in cleaning effect; the brush head cover has the advantages of long service life, easy cleaning, convenient replacement, high popularization, low cost and the like, and only the brush head cover needs to be replaced during use.

Description

Crucible cleaning brush

Technical Field

The application relates to the technical field of chemical detection equipment, in particular to a crucible cleaning brush.

Background

The crucible is a sample dissolving appliance in a laboratory, is an important component of a chemical experimental instrument, is a foundation for ensuring the smooth progress of chemical reaction, and has a wide application range. The polytetrafluoroethylene crucible used at present is widely applied to the industries of chemical industry, petroleum, environmental protection, scientific research and the like, and the container made of polytetrafluoroethylene has good corrosion resistance, so the polytetrafluoroethylene crucible is widely applied to chemical detection experiments.

At present, when a polytetrafluoroethylene crucible (beaker) is cleaned before and after sample treatment in a laboratory, the crucible is generally cleaned by using a commercially available brush, and stains, volatiles and precipitates adhering to the inner wall of the crucible are removed by stirring the brush in the crucible (beaker). However, in the actual operation process, the efficiency is often low when the dirt on the inner wall of the crucible is manually removed by the brush, when the organic matter of the dirt is more, the removal difficulty is high, time and labor are wasted, and the condition of incomplete cleaning exists, so that the chemical analysis test can be influenced.

In addition, some high-pressure spray washing schemes are adopted, but the cost is higher; or the crucible is cleaned by adopting a steel wire brush structure, but the steel wire brush not only is easy to damage the inner wall of the crucible, but also the metal elements contained in the steel wire brush can indirectly influence the sample measurement result.

SUMMERY OF THE UTILITY MODEL

Therefore, the application provides a crucible cleaning brush to solve the problems that in the prior art, when a brush is used for cleaning a polytetrafluoroethylene crucible, time and labor are wasted, the working efficiency is low, and the cleaning is not thorough.

In order to achieve the above purpose, the present application provides the following technical solutions:

a crucible cleaning brush comprising: the size of the brush head is matched with that of the crucible, and a brush head sleeve is sleeved outside the brush head; the front end of the iron rod is connected with the brush head through a support rod, and the rear end of the iron rod is installed on the electric hand drill body and is connected with a drill chuck at the front end of the electric hand drill body.

Optionally, the brush head is made of rubber; the head of the brush head is of an arc-shaped structure, the longitudinal section of the brush head in the vertical direction is circular, the longitudinal section in the horizontal direction is trapezoidal, and the trapezoidal head is arc-shaped.

Optionally, the length of the brush head is 46-50mm, the diameter of the front end of the brush head is 24-28mm, and the diameter of the rear end of the brush head is 40-44mm; the length of the iron rod is 48-52mm, and the diameter of the iron rod is 4-8mm; the length of the supporting rod is 39-43mm, and the diameter of the supporting rod is 2-6mm.

Optionally, the brush head is made of rubber; the head of the brush head is of an arc-shaped structure, the longitudinal section of the brush head in the vertical direction is circular, the longitudinal section in the horizontal direction is rectangular, and the rectangular head is arc-shaped.

Optionally, the length of the brush head is 48-52mm, the diameter of the front end of the brush head is 40-44mm, and the diameter of the rear end of the brush head is 40-44mm; the length of the iron rod is 48-52mm, and the diameter of the iron rod is 4-8mm; the length of the supporting rod is 39-43mm, and the diameter of the supporting rod is 2-6mm.

Optionally, the brush head cover is made of rubber, and the inner wall of the brush head cover is a smooth surface and the outer wall of the brush head cover is a honeycomb-structured surface.

Optionally, the iron rod and the strut are both cylindrical.

Optionally, the brush head sleeve is made of rubber, the thickness of the brush head sleeve is 1.8-2.2mm, the inner wall of the brush head sleeve is smooth, and a plurality of bristles are arranged on the outer wall of the brush head sleeve;

optionally, the bristles are made of coconut fiber or polypropylene, and the length of the bristles is 2.8-3.2mm.

Optionally, the brush head and the support rod are connected in a threaded manner.

Compared with the prior art, the method has the following beneficial effects that:

1. the application provides a crucible cleaning brush, which comprises a brush head and an iron rod, wherein the size of the brush head is matched with that of a crucible, and a brush head sleeve is sleeved outside the brush head; the front end of the iron rod is connected with the brush head through a support rod, and the rear end of the iron rod is arranged on a drill chuck at the front end of the electric hand drill body; the electric hand drill is used by combining the iron rod, the brush head and the brush head sleeve with the electric hand drill, so that the working efficiency of cleaning the polytetrafluoroethylene crucible is greatly improved, the cleaning time is saved, and the electric hand drill is simple in overall structure, convenient to use, time-saving, labor-saving and good in cleaning effect; when the cleaning times is too many, the brush head does not need to be replaced, only the brush head sleeve needs to be replaced, the cost is low, meanwhile, the service life of the brush head sleeve is long, the cleaning is easy, the replacement is convenient, and the popularization is high.

2. This application adopts the brush head cover of the cellular structure face of rubber material, can clear up the difficult spot and the organic matter of brushing of crucible inner wall fast and deposit, has further improved the cleaning efficiency.

3. This application brush head and brush head cover's head is circular-arc structure, is favorable to effectively clearing up the inner wall of crucible bottom.

4. This application brush head passes through threaded connection with branch, when the brush head appears damaged owing to long-time clearance, but quick replacement brush head.

Drawings

To more intuitively illustrate the prior art and the present application, several exemplary drawings are given below. It should be understood that the specific shapes, configurations, shown in the drawings, are not generally considered limitations on the practice of the present application; for example, it is within the ability of those skilled in the art to make routine adjustments or further optimizations based on the technical concepts disclosed in the present application and the exemplary drawings, for the increase/decrease/attribution of certain units (components), specific shapes, positional relationships, connection manners, dimensional ratios, and the like.

Fig. 1 is a schematic structural diagram provided in an embodiment of the present application;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a front view (with brush head cover) of FIG. 2;

FIG. 4 is a schematic view of the use shown in FIG. 1 (without the brush head cover);

fig. 5 is a schematic structural diagram provided in the second embodiment of the present application;

FIG. 6 is an exploded view of FIG. 5;

FIG. 7 is a front view (with brush head cover) of FIG. 6;

FIG. 8 is a schematic view of the use shown in FIG. 1 (without the brushhead sleeve);

fig. 9 is a schematic structural view and a schematic longitudinal sectional view of a brush head cover according to a third embodiment of the present application;

fig. 10 is a schematic structural view and a schematic longitudinal sectional view of a brush head sleeve according to a fourth embodiment of the present application.

Description of reference numerals:

1. a brush head; 101. an internally threaded bore; 2. a strut; 201. an external thread structure; 3. an iron rod; 4. a brush head sleeve; 5. an electric hand drill; 501. a hand electric drill body; 502. a drill chuck; 503. a handle.

Detailed Description

The present application will be described in further detail below with reference to specific embodiments thereof, with reference to the accompanying drawings.

In the description of the present application: "plurality" means two or more unless otherwise specified. The terms "first", "second", "third", and the like in this application are intended to distinguish one referenced item from another without having a special meaning in technical connotation (e.g., should not be construed as emphasizing a degree or order of importance, etc.). The terms "comprising," "including," "having," and the like, are intended to be inclusive and mean "not limited to" (some elements, components, materials, steps, etc.).

In the present application, terms such as "upper", "lower", "left", "right", "middle", and the like are generally used for easy visual understanding with reference to the drawings, and are not intended to absolutely limit the positional relationship in an actual product. Changes in these relative positional relationships are also considered to be within the scope of the present disclosure without departing from the technical concepts disclosed in the present disclosure.

Example one

In one embodiment of the present application, a crucible cleaning brush, as shown in fig. 1 to 4, includes: the size of the brush head 1 is matched with that of the crucible, a brush head sleeve 4 is sleeved outside the brush head 1, and the appearance structure of the brush head sleeve 4 is the same as that of the brush head 1; the front end of the iron rod 3 is connected with the brush head 1 through the support rod 2, and the rear end of the iron rod 3 is connected with the electric hand drill 5;

the electric hand drill 5 comprises an electric hand drill body 501 and a drill chuck 502, the drill chuck 502 is located at the front end of the electric hand drill body 501, the rear end of the iron rod 3 is installed on the electric hand drill body 501 and connected with the drill chuck 502, and the drill chuck 502 is used for clamping the iron rod 3.

In the embodiment, the brush head 1 and the brush head sleeve 4 are both made of rubber; the head (front end) of the brush head 1 is of an arc-shaped structure, the longitudinal section of the brush head 1 along the vertical direction is circular, the longitudinal section along the horizontal direction is trapezoidal, and the trapezoidal head is arc-shaped.

The inner wall of the brush head sleeve 4 is a smooth surface and can be tightly sleeved on the outer wall of the brush head 1, the outer wall of the brush head sleeve 4 is a honeycomb-shaped structural surface made of rubber, and stains and organic matters which are difficult to brush on the inner surface of the crucible can be quickly cleaned.

The iron rod 3 and the support rod 2 are both cylindrical, and the iron rod 3 can also be in other structures such as an octahedral column or a pentagonal prismatic structure.

Preferably, the brush head 1 is connected with the support rod 2 in a threaded mode, and the length of the threads is 12mm; the method comprises the following steps: the central position of the rear part of the brush head 1 is provided with an internal thread hole 101, and correspondingly, the front part of the support rod 2 is provided with an external thread structure 201 which is in adaptive connection with the internal thread.

The connection of the brush head 1 and the support rod 2 in a thread mode ensures that the brush head 1 is convenient and quick to replace when being replaced and abraded.

Preferably, the length of the brush head 1 is 46-50mm, the diameter of the front end is 24-28mm, and the diameter of the rear end is 40-44mm; the thickness of the brush head sleeve 4 is 2.3-2.7mm; the length of the iron rod 3 is 48-52mm, and the diameter is 4-8mm; the length of the supporting rod 2 is 39-43mm, and the diameter is 2-6mm.

This embodiment is when actual application, and brush head 1, brush head cover 4, iron bar 3 and the size value of branch 2 design according to actual conditions, and common numerical value is: the length of the brush head 1 is 48mm, the diameter of the front end of the brush head is 26mm, and the diameter of the rear end of the brush head is 42mm; the thickness of the brush head sleeve 4 is 2.5mm; the length of the iron rod 3 is 50mm, and the diameter is 6mm; the strut 2 is 50mm in length and 4mm in diameter.

Example two

The second embodiment is basically similar to the first embodiment, and the main differences are as follows: the brush head 1 has a different structure, and as shown in fig. 5 to 8, the head of the brush head 1 of the second embodiment has an arc-shaped structure, the longitudinal section of the brush head 1 in the vertical direction is circular, but the longitudinal section in the horizontal direction is rectangular, and the rectangular head is arc-shaped.

Preferably, the length of the brush head 1 is 48-52mm, the diameter of the front end is 40-44mm, and the diameter of the rear end is 40-44mm; the thickness of the brush head sleeve 4 is 3.3-3.7mm, and the optimal value is 3.5mm; the length of the iron rod 3 is 48-52mm, and the diameter is 4-8mm; the length of the supporting rod 2 is 39-43mm, and the diameter is 2-6mm.

This embodiment is when actual application, and brush head 1, brush head cover 4, iron bar 3 and the size value of branch 2 design according to actual conditions, and common numerical value is: the length of the brush head 1 is 50mm, the diameter of the front end of the brush head is 42mm, and the diameter of the rear end of the brush head is 42mm; the thickness of the brush head sleeve 4 is 3.5mm; the length of the iron rod 3 is 50mm, and the diameter is 6mm; the strut 2 is 50mm in length and 4mm in diameter.

EXAMPLE III

The third embodiment is basically similar to the first embodiment, and the main differences are as follows: the brush head sleeve 4 has different structures, as shown in fig. 9, the inner wall of the brush head sleeve 4 of the third embodiment is smooth and can be tightly sleeved on the outer wall of the brush head 1, and a plurality of bristles are arranged on the outer wall; the thickness of the brush head sleeve 4 is 1.8-2.2mm, and the optimal value is 2mm.

Example four

The fourth embodiment is basically similar to the second embodiment, and the main differences are as follows: the brush head sleeve 4 has different structures, as shown in fig. 10, the inner wall of the brush head sleeve 4 of the fourth embodiment is smooth and can be tightly sleeved on the outer wall of the brush head 1, and a plurality of bristles are arranged on the outer wall; the thickness of the brush head sleeve 4 is 1.8-2.2mm, and the optimal value is 2mm.

In the third embodiment and the fourth embodiment, the bristles are made of coconut fiber or polypropylene (PP), so that the bristles have good hardness and good stain cleaning effect; the length of the bristles is 2.8-3.2mm, the optimal value is 3mm, and the size of the bristles can be adjusted according to actual conditions in actual application.

In the above embodiments, the drill chuck 502 and the electric hand drill body 501 have similar structures and same principles as those of the conventional electric hand drill 5, and are not described herein again.

As shown in fig. 4 and 8, when the electric hand drill is used, according to the structural form of the crucible, the brush head 1 and the brush head sleeve 4 are selected as appropriate, the brush head sleeve 4 is sleeved on the brush head 1, and the iron rod 3 at the rear part of the brush head 1 is installed on the drill chuck 502 of the electric hand drill body 501; hold electric hand drill body 501's handle 503 to with brush head cover 4 and put into the inner space of crucible, then start the switch on electric hand drill body 501, drive iron bar 3 and rotate, iron bar 3 drives branch 2 and brush head 1 and rotates, and then makes brush head cover 4 rotate in step, utilizes high-speed pivoted brush head cover 4, washs the inner wall of crucible.

The electric hand drill has the advantages that the function of the electric hand drill is effectively utilized, the iron rod, the brush head and the brush head sleeve are combined with the electric hand drill for use, the working efficiency of cleaning the polytetrafluoroethylene crucible is greatly improved, the cleaning time is saved, the integral structure is simple, the use is convenient, the time and the labor are saved, the cleaning effect is good, the crucible (beaker) is ensured to be clean before being used next time, and the sample analysis error is reduced; when the cleaning times are too many, the brush head does not need to be replaced, only the brush head sleeve needs to be replaced, the cost is low, meanwhile, the brush head sleeve is long in service life, easy to clean and convenient to replace, sample measuring results cannot be influenced, and the device can be popularized and used in a wide inspection and detection laboratory; the brush head is also protected by the brush head sleeve, so that the service life of the brush head is prolonged.

In addition, the brush head sleeve with the rubber honeycomb structure surface can quickly clean stains and organic matter sediments on the inner wall of the crucible, which are difficult to brush, and further improve the cleaning efficiency; the brush head and the head of the brush head sleeve are of arc-shaped structures, so that the inner wall of the bottom of the crucible can be effectively cleaned; the brush head is connected with the supporting rod in a threaded mode, and when the brush head is damaged due to long-time cleaning, the brush head can be quickly replaced.

All the technical features of the above embodiments can be arbitrarily combined (as long as there is no contradiction between the combinations of the technical features), and for brevity of description, all the possible combinations of the technical features in the above embodiments are not described; these examples, which are not explicitly described, should be considered to be within the scope of the present description.

The present application has been described in considerable detail with reference to the foregoing general description and specific examples. It should be understood that several conventional adaptations or further innovations of these specific embodiments may also be made based on the technical idea of the present application; however, such conventional modifications and further innovations may also fall within the scope of the claims of the present application as long as they do not depart from the technical idea of the present application.

Claims (10)

1. A crucible cleaning brush, characterized by comprising: the size of the brush head is matched with that of the crucible, and a brush head sleeve is sleeved outside the brush head; the front end of the iron rod is connected with the brush head through a support rod, and the rear end of the iron rod is installed on the electric hand drill body and is connected with a drill chuck at the front end of the electric hand drill body.

2. The crucible cleaning brush according to claim 1, wherein the brush head is made of rubber; the head of the brush head is of an arc-shaped structure, the longitudinal section of the brush head in the vertical direction is circular, the longitudinal section in the horizontal direction is trapezoidal, and the trapezoidal head is arc-shaped.

3. The crucible cleaning brush according to claim 2, wherein the length of the brush head is 46-50mm, the diameter of the front end thereof is 24-28mm, and the diameter of the rear end thereof is 40-44mm; the length of the iron rod is 48-52mm, and the diameter of the iron rod is 4-8mm; the length of the supporting rod is 39-43mm, and the diameter of the supporting rod is 2-6mm.

4. The crucible cleaning brush according to claim 1, wherein the brush head is made of rubber; the head of the brush head is of an arc-shaped structure, the longitudinal section of the brush head in the vertical direction is circular, the longitudinal section in the horizontal direction is rectangular, and the rectangular head is arc-shaped.

5. The crucible cleaning brush according to claim 4, wherein the length of the brush head is 48-52mm, the diameter of the front end thereof is 40-44mm, and the diameter of the rear end thereof is 40-44mm; the length of the iron rod is 48-52mm, and the diameter of the iron rod is 4-8mm; the length of the supporting rod is 39-43mm, and the diameter of the supporting rod is 2-6mm.

6. The crucible cleaning brush according to claim 3 or 5, wherein the brush head sleeve is made of rubber, and the inner wall of the brush head sleeve is a smooth surface and the outer wall of the brush head sleeve is a honeycomb-structured surface.

7. The crucible cleaning brush according to claim 6, wherein the iron rod and the support rod are cylindrical.

8. The crucible cleaning brush according to claim 3 or 5, wherein the brush head sleeve is made of rubber, the thickness of the brush head sleeve is 1.8-2.2mm, the inner wall of the brush head sleeve is smooth, and a plurality of bristles are arranged on the outer wall of the brush head sleeve.

9. The crucible cleaning brush according to claim 8, wherein the bristles are made of coconut shell fiber or polypropylene, and the bristles have a length of 2.8-3.2mm.

10. The crucible cleaning brush according to claim 6, wherein the brush head is connected to the support rod by a screw thread.

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