CN215936574U

CN215936574U - Flask brush

Info

Publication number: CN215936574U
Application number: CN202121300673.0U
Authority: CN
Inventors: 黄海超; 汤明辉; 陈建军
Original assignee: Xiamen Road & Bridge Sunstone Buidling Material Technology Co ltd
Current assignee: Xiamen Road & Bridge Sunstone Buidling Material Technology Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-03-04
Anticipated expiration: 2031-06-10

Abstract

The utility model provides a flask brush which comprises an inner rod, a loop bar and a plurality of brush strips, wherein the inner rod is provided with a plurality of brush strips; the inner rod is arranged inside the loop bar and is connected with the loop bar in a sliding manner; the inner rod is provided with a limiting piece, and the loop bar is provided with a limiting matching piece; one end of the brush bar is connected with the lower end of the inner rod, and the other end of the brush bar is connected with the lower end of the loop bar; the length of the inner rod is longer than that of the sleeve rod, the tail end of the inner rod, connected with the brush strips, extends out of the sleeve rod, so that the brush strips slide relative to the sleeve rod along with the inner rod, and the diameter of the circular cross section between the brush strips changes. By applying the technical scheme, one flask brush can be adjusted to be suitable for brushing flasks with various specifications.

Description

Flask brush

Technical Field

The utility model relates to the field of laboratory equipment, in particular to a flask brush.

Background

The round bottom flask is a transparent glass flask with a spherical bottom and a long column-shaped upper part. It is a heating and reaction vessel commonly used in chemical experiments, and has wide application. The heating can be carried out, and the asbestos gauze is generally padded and matched with a clamping instrument such as an iron support table. The round-bottom flask is required to be cleaned after each use, so that the work of cleaning the flask in a laboratory is very frequent, and a plurality of flasks are required to be cleaned when a plurality of flasks are required in experiments, so that the workload is complicated; and the specification and size of the round bottom flask are different due to different experimental types. The round-bottom flask has a small caliber, the bottle body is round and smooth, and the bottle body is inevitably adhered with substances and cannot be directly washed clean by clear water when in use; and the conventional test tube brush cannot effectively clean the bottle body due to the product structure. The existing flask brush is designed aiming at the round-bottom flask with the same specification, cannot be adjusted along with the difference of the diameter of the spherical bottom of the round-bottom flask, and causes the laboratory to prepare different brushes with different specifications, so that the flask brush is more complicated and is not easy to store.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flask brush, which can be adjusted to be suitable for brushing flasks with various specifications.

In order to solve the technical problem, the utility model provides a flask brush which comprises an inner rod, a loop bar and a plurality of brush strips; the inner rod is arranged inside the loop bar and is connected with the loop bar in a sliding manner; the inner rod is provided with a limiting piece, and the loop bar is provided with a limiting matching piece; one end of the brush bar is connected with the lower end of the inner rod, and the other end of the brush bar is connected with the lower end of the loop bar; the length of the inner rod is longer than that of the sleeve rod, the tail end of the inner rod, connected with the brush strips, extends out of the sleeve rod, so that the brush strips slide relative to the sleeve rod along with the inner rod, and the diameter of the circular cross section between the brush strips changes.

In a preferred embodiment, the device further comprises a sliding sleeve; the sliding sleeve is arranged outside the loop bar and is coaxially arranged with the inner bar and the loop bar; sliding the sliding sleeve to enable the sliding sleeve to move downwards and enable one end of the brush strip to enter the inside of the sliding sleeve.

In a preferred embodiment, one end of the sliding sleeve is provided with a clasping member, and the clasping member is fixedly connected with the sliding sleeve, so that the relative position of the sliding sleeve and the sleeve rod is fixed.

In a preferred embodiment, one end of the sliding sleeve, which is far away from the brush strip, is provided with a plurality of gaps along the circumferential direction, and the clasping piece clasps one end of the sliding sleeve, which is far away from the brush strip, so that the areas of the gaps are reduced, and the sliding sleeve and the loop bar are relatively fixed.

In a preferred embodiment, an end of the sliding sleeve, which is far away from the brush bar, is provided with an external thread, and the clasping member is a threaded buckle provided with an internal thread.

In a preferred embodiment, the limiting member is a fixing groove disposed outside the inner rod; the fixed slot has set gradually a plurality ofly along the length direction of inner rod.

In a preferred embodiment, the inner rod extends outwards along the radial direction to form a circular truncated cone; the diameter of the circular truncated cone is gradually increased along the direction from one end close to the brush strip to one end far away from the brush strip; the fixing groove is formed between the upper round platform and the lower round platform.

In a preferred embodiment, the limit fitting part is a limit sheet with the middle part fixed with the loop bar; one end of the limiting piece is sunk into the fixing groove and is limited with the fixing groove in the moving direction of the inner rod.

In a preferred embodiment, one end of the limiting sheet, which is far away from the fixing groove, is fixedly connected with the loop bar through a first spring; when the first spring is in an original state, the inclination angle of the limiting sheet enables one end of the limiting sheet to sink into the fixing groove; the first spring is compressed by pressing the first spring inwards, and the fixed groove at one end of the limiting piece is not limited by the fixed groove.

In a preferred embodiment, one end of the inner rod connected with the brush bar is connected with one end of the sleeve rod connected with the brush bar through a second spring.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

the utility model provides a flask brush, wherein two ends of a brush bar are respectively connected with an inner rod and a loop bar; through setting up the relative sliding relation of interior pole and loop bar, make the state of brush strip change along with the relative sliding relation of interior pole and loop bar. The inner rod slides to enable the end, connected with the brush bar, of the inner rod to be far away from the end, connected with the brush bar, of the loop bar, the brush bar tends to be straightened, a flat and long shape is formed between the brush bars, the diameter of the circular cross section formed by the brush bars in a surrounding mode is small, and the electric toothbrush is suitable for a round flask with a small inner diameter. The inner rod slides to enable one end of the inner rod connected with the brush strip to be closer to one end of the loop bar connected with the brush strip, the brush strip tends to be bent, a shape similar to a sphere is formed between the brush strips, the diameter of a circular cross section enclosed by the brush strips is larger, and the electric toothbrush is suitable for a round-bottom flask with a larger inner diameter.

Through setting up the sliding sleeve, realize the adjustable of brush strip length. The relative distance between the sliding sleeve and the sleeve rod is adjustable, the lower brush strip enters the inside of the sliding sleeve through sliding the sliding sleeve downwards, and the sliding sleeve receives a part of brush strips, so that the length of the brush strips which can participate in shape change is shortened; thereby reduced the range of variation of brush strip, adjusted the length of brush strip on a large scale, when the specification of round flask differed not much, can utilize the sliding sleeve to adjust the range of variation of brush strip, made the flask brush more be applicable to round flask.

The limiting relation between the limiting piece and the fixing groove can be released at any time by arranging the limiting piece which is elastically connected with the loop bar. When the relation between the inner rod and the loop bar needs to be adjusted, the other end of the limiting piece and the fixing groove can be released from the limiting relation only by pressing one end of the limiting piece connected with the first spring, when the loop bar and the inner rod are adjusted to the required position, one end of the limiting piece connected with the first spring is loosened, the first spring restores to be original, and the limiting piece and one end limited by the fixing groove are sunk into the fixing groove.

Drawings

FIG. 1 is a schematic view of the overall structure of a flask brush according to a preferred embodiment of the present invention;

fig. 2 is an enlarged schematic view of a part of the structure of the flask brush in the preferred embodiment of the utility model.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

A flask brush, refer to fig. 1 to 2, comprising an inner rod 1, a loop bar 2 and a plurality of brush strips 4; the inner rod 1 is arranged inside the loop bar 2 and is connected with the loop bar 2 in a sliding way; the inner rod 1 is provided with a limiting piece, and the loop bar 2 is provided with a limiting matching piece; one end of the brush bar 4 is connected with the lower end of the inner rod 1, and the other end of the brush bar 4 is connected with the lower end of the loop bar 2; the length of the inner rod 1 is longer than that of the loop bar 2, the tail end of the inner rod 1, connected with the brush strips 4, extends out of the loop bar 2, so that the brush strips 4 slide relative to the loop bar 2 along with the inner rod 1, and the diameter of the circular cross section between the brush strips 4 changes. The inner rod 1 is connected with one end of the brush bar 4 and one end of the loop bar 2 connected with the brush bar 4 are connected through a second spring 6. In the present embodiment, the brush bar 4 is specifically a brush bar with bristles.

The utility model provides a flask brush, wherein two ends of a brush strip 4 are respectively connected with an inner rod 1 and a loop bar 2; by setting the relative sliding relationship between the inner rod 1 and the loop bar 2, the state of the brush bar 4 is changed along with the relative sliding relationship between the inner rod 1 and the loop bar 2. The sliding of the inner rod 1 enables one end of the inner rod 1 connected with the brush strip 4 to be far away from one end of the loop bar 2 connected with the brush strip 4, the brush strip 4 tends to be straightened, a relatively flat and long shape is formed between the brush strips 4, the diameter of the circular cross section enclosed by the brush strips 4 is smaller, and the electric toothbrush is suitable for a round flask with a smaller inner diameter. The sliding of the inner rod 1 enables one end of the inner rod 1 connected with the brush strip 4 to be closer to one end of the loop bar 2 connected with the brush strip 4, the brush strip 4 tends to be bent, a shape similar to a sphere is formed between the brush strips 4, the diameter of the circular cross section enclosed by the brush strips 4 is larger, and the electric toothbrush is suitable for a round-bottom flask with a larger inner diameter.

Specifically, the device also comprises a sliding sleeve 3; the sliding sleeve 3 is arranged outside the loop bar 2 and is coaxially arranged with the inner bar 1 and the loop bar 2; sliding the sliding sleeve 3 makes the sliding sleeve 3 move downwards and make one end of the brush strip 4 enter the inside of the sliding sleeve 3. One end of the sliding sleeve 3 is provided with a holding member, and the holding member is fixedly connected with the sliding sleeve 3, so that the sliding sleeve 3 is fixed with the relative position of the loop bar 2. The one end that brush strip 4 was kept away from to sliding sleeve 3 is provided with a plurality of breachs 31 along circumference, hold tightly the piece hold tightly sliding sleeve 3 keeps away from the one end of brush strip 4 makes breach 31 area diminishes, thereby makes relatively fixed between sliding sleeve 3 and the loop bar 2. The sliding sleeve 3 is far away from one end of the brush strip 4 is specifically provided with an external thread, and the holding piece is specifically provided with an internal thread buckle 5.

Through setting up sliding sleeve 3, realize the adjustable of brush 4 length. The relative distance between the sliding sleeve 3 and the loop bar 2 is adjustable, the lower brush strip 4 enters the sliding sleeve 3 through sliding the sliding sleeve 3 downwards, the sliding sleeve 3 receives a part of the brush strip 4, and the length of the brush strip 4 which can participate in shape change is shortened; thereby reduced the range of change of brush strip 4, adjusted the length of brush strip 4 in a large scale, when the specification of round flask differed not much, can utilize sliding sleeve 3 to adjust the range of change of brush strip 4, made the flask brush more be applicable to round flask.

The limiting piece is specifically a fixing groove 11 arranged outside the inner rod 1; the fixing grooves 11 are sequentially formed in a plurality along the length direction of the inner rod 1. The inner rod 1 extends outwards along the radial direction to form a section of round table; the diameter of the circular truncated cone is gradually increased along the direction from one end close to the brush strip 4 to one end far away from the brush strip 4; the fixing groove 11 is formed between the upper and lower round tables. The limiting matching piece is a limiting sheet 21 with the middle part fixed with the loop bar 2; one end of the limiting piece 21 is sunk into the fixing groove 11 and is limited with the fixing groove 11 in the moving direction of the inner rod 1. One end of the limiting sheet 21, which is far away from the fixing groove 11, is fixedly connected with the loop bar 2 through a first spring 22; when the first spring 22 is in an original state, the limiting sheet 21 inclines at an angle so that one end of the limiting sheet 21 sinks into the fixing groove 11; pressing the first spring 22 inward compresses the first spring 22, and the fixing groove 11 does not limit the position of one end of the limiting piece 21 with the fixing groove 11. The limiting relation between the limiting piece 21 and the fixing groove 11 can be released at any time by arranging the limiting piece 21 elastically connected with the loop bar 2. When the relation between the inner rod 1 and the loop bar 2 needs to be adjusted, the other end of the limiting piece 21 and the fixing groove 11 can be released from the limiting relation only by pressing one end of the limiting piece 21 connected with the first spring 22, when the loop bar 2 and the inner rod 1 are adjusted to the required position, one end of the limiting piece 21 connected with the first spring 22 is loosened, the first spring 22 restores to the original length, and one end of the limiting piece 21 limited with the fixing groove 11 is sunk into the fixing groove 11.

Compared with other test tube brushes and flask brushes, the utility model can realize the switching of different shapes of the brush strip 4 by the matching of the inner rod 1, the loop bar 2 and the sliding sleeve 3, and can better clean flasks with various specifications.

The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art can make insubstantial changes in the technical scope of the present invention within the technical scope of the present invention, and the actions infringe the protection scope of the present invention are included in the present invention.

Claims

1. A flask brush is characterized by comprising an inner rod, a loop bar and a plurality of brush strips; the inner rod is arranged inside the loop bar and is connected with the loop bar in a sliding manner; the inner rod is provided with a limiting piece, and the loop bar is provided with a limiting matching piece; one end of the brush bar is connected with the lower end of the inner rod, and the other end of the brush bar is connected with the lower end of the loop bar; the length of the inner rod is longer than that of the sleeve rod, the tail end of the inner rod, connected with the brush strips, extends out of the sleeve rod, so that the brush strips slide relative to the sleeve rod along with the inner rod, and the diameter of the circular cross section between the brush strips changes.

2. The flask brush as set forth in claim 1, further comprising a sliding sleeve; the sliding sleeve is arranged outside the loop bar and is coaxially arranged with the inner bar and the loop bar; sliding the sliding sleeve to enable the sliding sleeve to move downwards and enable one end of the brush strip to enter the inside of the sliding sleeve.

3. The flask brush as set forth in claim 2, wherein a clasping member is provided at one end of the sliding sleeve, and the clasping member is fixedly connected with the sliding sleeve, so that the relative position of the sliding sleeve and the sleeve rod is fixed.

4. The flask brush as recited in claim 3, wherein the end of the sliding sleeve away from the brush strip is provided with a plurality of gaps along the circumferential direction, and the clasping member clasps the end of the sliding sleeve away from the brush strip so that the gap area is reduced, thereby the sliding sleeve and the sleeve rod are relatively fixed.

5. The flask brush as recited in claim 4, wherein an end of the sliding sleeve remote from the brush bar is provided with external threads, and the clasping member is a threaded fastener provided with internal threads.

6. The flask brush as claimed in any one of claims 1 to 5, wherein the limiting member is a fixing groove disposed outside the inner rod; the fixed slot has set gradually a plurality ofly along the length direction of inner rod.

7. The flask brush as set forth in claim 6, wherein the inner rod extends radially outwardly to form a truncated cone; the diameter of the circular truncated cone is gradually increased along the direction from one end close to the brush strip to one end far away from the brush strip; the fixing groove is formed between the upper round platform and the lower round platform.

8. The flask brush as recited in claim 7, wherein the limit fitting member is a limit piece fixed at the middle part with the loop bar; one end of the limiting piece is sunk into the fixing groove and is limited with the fixing groove in the moving direction of the inner rod.

9. The flask brush as claimed in claim 8, wherein one end of the limiting piece away from the fixing groove is fixedly connected with the loop bar through a first spring; when the first spring is in an original state, the inclination angle of the limiting sheet enables one end of the limiting sheet to sink into the fixing groove; the first spring is compressed by pressing the first spring inwards, and the fixed groove at one end of the limiting piece is not limited by the fixed groove.

10. The flask brush as claimed in any one of claims 1, 2, 3, 4, 5, 7, 8 and 9, wherein the end of the inner rod connected to the brush bar is connected to the end of the sleeve rod connected to the brush bar by a second spring.