CN210581524U - Erlenmeyer flask brush - Google Patents

Abstract

The utility model discloses a conical flask brush, which comprises a middle shaft and a brush rod, wherein the upper end of the brush rod is fixed on the middle shaft through a fixing ring; the lower end of the intermediate shaft is sleeved in a sliding sleeve, the upper end of the sliding sleeve is provided with an opening, the lower end of the intermediate shaft is provided with a fixture block, and the size of the fixture block is larger than that of the opening and smaller than that of the cross section of the sliding sleeve; the lower end of the brush rod is connected with the bottom end of the sliding sleeve through an elastic band, the sliding sleeve is also connected with a movable rod, and two ends of the movable rod are respectively movably connected with the upper end edges of the brush rod and the sliding sleeve; the brush rod and the elastic band are both provided with a brushing piece, and the lower end of the sliding sleeve is provided with a sponge layer. The conical flask brush is novel and simple in structure, low in cost and convenient to operate, and can be used for realizing the all-dimensional thorough cleaning of the interior of the conical flask.

Description

Erlenmeyer flask brush

Technical Field

The utility model relates to a cleaning device, concretely relates to erlenmeyer flask brush.

Background

The conical flask is a common glass instrument in a chemical laboratory, is a titration reactor which is made of hard glass and has a triangular longitudinal section, has a small mouth and a large bottom, and is beneficial to full reaction and difficult liquid splashing when oscillation is carried out in the titration process. However, due to the characteristics of small mouth and large bottom of the conical flask, when the conical flask is cleaned, the position of the body and the edge of the bottom of the conical flask is difficult to touch, and the cleaning is not in place.

In view of the problems of cleaning the conical flask, the application No. 201410776077.8 discloses a test tube brush, which includes a handle for holding the test tube; the brush head is of an umbrella-shaped structure and is arranged at the upper end of the brush handle, and bristles are arranged on the brush head; a support rod connected with the brush head; and the adjusting rod is sleeved outside the brush handle and can axially move relative to the brush handle, and the upper end of the adjusting rod is connected with the supporting rod. The design is convenient for cleaning the conical flask through the umbrella-shaped design.

However, through further research by the inventors, the problems of the test tube brush are as follows: 1. to the erlenmeyer flask, above-mentioned design is when using, and the brush holder of handheld test-tube brush stretches into the abluent erlenmeyer flask of needs with the brush head of test-tube brush, because the test-tube brush diameter is less when the closed condition, stretches into very easily and treats the washing household utensils, and the pole is adjusted in the promotion when the brush head is whole through the bottleneck, drives the bracing piece and slowly opens the brush head, and the increase washs the area. In this case, the design is intended to increase the cleaning area, and in this design, after the brush head is opened, the opened bottom end of the brush head (the wide-angle direction of the brush head) faces the opening of the cone bottle, and thus the cone bottle cannot be fully and effectively cleaned, especially, both sides of the lower end of the cone bottle and the position of the inner wall of the cone bottle right below the central brush holder have the problem of cleaning dead angles.

2. Although the design can increase the cleaning area and realize the cleaning of the side wall of the conical flask, the cleaning of the lower bottom of the conical flask is neglected.

3. When the conical bottle is scrubbed, two hands are needed to be matched, one hand holds the brush handle, the other hand controls the adjusting rod, and the opening angle of the brush head is ensured; the process needs to be matched with continuous force supply, and the problem of inconvenient operation exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a erlenmeyer flask brush to solve the problem mentioned in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a conical flask brush, which comprises a middle shaft and a brush rod, wherein the upper end of the brush rod is fixed on the middle shaft through a fixing ring; the lower end of the intermediate shaft is sleeved in a sliding sleeve, the upper end of the sliding sleeve is provided with an opening, the lower end of the intermediate shaft is provided with a fixture block, and the size of the fixture block is larger than that of the opening and smaller than that of the cross section of the sliding sleeve; the lower end of the brush rod is connected with the bottom end of the sliding sleeve through an elastic band, the sliding sleeve is also connected with a movable rod, and two ends of the movable rod are respectively movably connected with the upper end edges of the brush rod and the sliding sleeve; the brush rod and the elastic band are both provided with a brushing piece, and the lower end of the sliding sleeve is provided with a sponge layer.

Furthermore, a magic tape is arranged on one surface of the brush rod facing the conical flask, and the smooth surface of the magic tape is connected with the brush rod; the brushing part arranged on the brush rod is a brush belt, one side of the brush belt, which is not provided with bristles, is provided with a fluff surface, and the fluff surface on the brush belt is connected with a hook surface thread gluing on the magic tape.

Further, the direction of the bristles on the brush belt is inclined downward.

Further, the brushing pieces arranged on the elastic band are bristles sewed on the elastic band.

Furthermore, the lower extreme inboard of brush-holder stud and the lateral wall lower extreme of slip cap all are equipped with a lantern ring, and the both ends of elastic webbing all are equipped with the connection rope, and the both ends of elastic webbing are through connecting the rope ligature on the lantern ring.

Furthermore, the lower end of the brush rod is connected with a spherical sponge block.

Furthermore, the movable rod is connected with the brush rod and the sliding sleeve in a shaft pin manner.

Furthermore, the upper end of the movable rod is connected with the middle part of the brush rod.

Furthermore, a channel is arranged in the center of the brush rod along the length direction of the brush rod, an outlet is formed in the lower end of the brush rod, a steel wire penetrates through the channel, the lower end of the steel wire is wrapped with cleaning cloth, the lower end of the steel wire penetrates out of the outlet, and the upper end of the steel wire is located above an inlet at the upper end of the channel.

Further, the outlet is arranged on one side of the lower end of the brush rod facing the conical bottle wall.

The utility model has the advantages that: the conical flask brush has a simple and novel structure, needs low cost, and can realize all-around thorough cleaning of the interior of the conical flask; the operation is very simple, the conical flask brush is only required to be placed into the conical flask, the bottom of the sliding sleeve is in contact with the conical flask and then continuously pressed downwards, the brush rod is opened to be in contact with the wall of the conical flask, and the intermediate shaft is rotated to realize the comprehensive cleaning of the conical flask. After the cleaning is finished, the intermediate shaft is lifted up, the brush rod is closed, and the conical flask brush can be taken out; and the height of the sliding sleeve can be adjusted, so that the cleaning work of the conical bottles with different wide angles is realized, and the applicability is wide.

This erlenmeyer flask brush has avoided the rigid contact of sliding sleeve with the erlenmeyer flask bottom through the setting to sliding sleeve bottom sponge layer, and it both can avoid the wearing and tearing between sliding sleeve and the erlenmeyer flask bottom, causes the part to damage, still can wash the position of the erlenmeyer flask that contacts with sliding sleeve, avoids wasing not in place. And the lower extreme of brush-holder stud links to each other through the elastic band with the bottom of sliding sleeve, and when opening the brush-holder stud back, the elastic band also stretches thereupon and presses close to the erlenmeyer flask bottom, and the scrubbing piece on the accessible elastic band realizes the cleaning work to the erlenmeyer flask bottom.

Drawings

Fig. 1 schematically shows a structure of a conical flask brush positioned in a conical flask.

Fig. 2 is a schematic view showing the structure of the conical flask brush when the brush rod is unfolded.

Fig. 3 is a schematic diagram showing the structure of the conical bottle brush when the brush rod is folded.

Fig. 4 schematically shows a structural schematic diagram of a connection mode of a brush rod and a brushing piece of a conical bottle brush in the second embodiment.

Fig. 5 schematically shows a structure of the magic tape of the conical flask brush in the second embodiment.

FIG. 6 is a schematic view showing the connection structure of the elastic band of the conical flask brush according to the third embodiment.

Fig. 7 is a schematic structural diagram of the elastic band of the conical bottle brush in the third embodiment.

Fig. 8 is a schematic view showing the structure of the bottom end of the brush rod of the conical flask brush.

FIG. 9 is a schematic view showing the structure of a brush holder of a conical flask brush according to a fourth embodiment.

Wherein: 1. an intermediate shaft; 2. a fixing ring; 3. a brush bar; 4. a sliding sleeve; 5. an opening; 6. a clamping block; 7. an elastic band; 8. a movable rod; 9. a scrubbing member; 10. a sponge layer; 11. magic tape; 111. leveling the surface; 112. hooking the surface; 12. a brush belt; 13. fluffy surface; 14. a collar; 15. connecting ropes; 16. a sponge block; 17. a channel; 18. an outlet; 19. a steel wire; 20. a cleaning cloth.

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 embodiment is only one embodiment of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail with reference to the accompanying drawings and specific embodiments. And for the sake of simplicity, the following omits the technical common sense known to those skilled in the art.

Example one

According to one embodiment of the application, as shown in fig. 1-3, in the embodiment, the erlenmeyer flask brush comprises an intermediate shaft 1 and a brush rod 3, wherein the upper end of the brush rod 3 is fixed on the intermediate shaft 1 through a fixing ring 2; the lower end of the intermediate shaft 1 is sleeved in a sliding sleeve 4, and the upper end of the sliding sleeve 4 is provided with an opening 5 for penetrating through the intermediate shaft 1; the lower end of the intermediate shaft 1 is provided with a fixture block 6, the size of the fixture block 6 is larger than that of the opening 5 and smaller than the sectional size of the sliding sleeve 4, the lower end of the intermediate shaft 1 is limited in the sliding sleeve 4 under the action of the fixture block 6 and can move up and down in the sliding sleeve 4; particularly, two brush rods 3 are preferably arranged and are symmetrically positioned on two sides of the intermediate shaft 1; of course, the specific number is not limited herein, and variations on the number are within the scope of the present application.

In this application, the lower extreme of brush-holder stud 3 passes through elastic band 7 with the bottom of sliding sleeve 4 and links to each other, still is connected with movable rod 8 on sliding sleeve 4, and the both ends of movable rod 8 respectively with the upper end edge swing joint of brush-holder stud 3 and sliding sleeve 4, specifically, movable rod 8 is pin connection with the swing joint mode of brush-holder stud 3 and sliding sleeve 4, and can make the upper end of movable rod 8 be connected with the middle part position of brush-holder stud 3, be convenient for drive opening of brush-holder stud 3 through movable rod 8. Specifically, when the fixture block 6 contacts with the upper end of the inner wall of the sliding sleeve 4, the brush rod 3 is closed, and the lower end of the brush rod 3 is flush with the lower end of the sliding sleeve 4 or slightly higher than the lower end of the sliding sleeve 4.

The brush rod 3 and the elastic band 7 of the conical flask brush are both provided with a brushing piece 9, and the brushing piece 9 is in contact with the inner wall of the conical flask and is used for brushing the inner wall of the conical flask. The lower end of the sliding sleeve 4 is also provided with a sponge layer 10, in the specific implementation, the sponge layer 10 is arranged, the hard contact between the sliding sleeve 4 and the bottom of the conical flask is avoided, meanwhile, when the conical flask is brushed by using the conical flask brush, the abrasion between the sliding sleeve 4 and the bottom of the conical flask, which causes the damage of parts, can be avoided, and the part of the conical flask in contact with the sliding sleeve 4 can be cleaned, so that the cleaning is avoided not being in place.

In actual operation, when the conical flask brush is used for cleaning a conical flask, the upper end of the intermediate shaft 1 is lifted, at the moment, under the action of gravity, the fixture block 6 is in contact with the upper end of the inner wall of the sliding sleeve 4, and the conical flask brush is integrally in a closed state; put into in the erlenmeyer flask to be the erlenmeyer flask brush under the closed condition, the 4 lower extremes of sliding sleeve continue the atress behind the contact bottle end, sliding sleeve 4 will be followed jackshaft 1 and upwards slided, this moment, fixture block 6 and sliding sleeve 4's inner wall lower extreme contact, brush-holder stud 3 slowly opens under the drive of movable rod 8, press close to on the erlenmeyer flask inner wall at last, and elastic webbing 7 also straightens thereupon and presses close to the erlenmeyer flask bottom, at this moment, rotate jackshaft 1 alright realize the cleanness of erlenmeyer flask inner wall and bottom. After the cleaning is finished, the downward pressure on the conical flask brush is stopped, the intermediate shaft 1 is lifted, the sliding sleeve 4 slides downwards along the intermediate shaft 1 to drive the brush rod 3 to be closed, and then the conical flask brush is taken out of the conical flask.

This erlenmeyer flask brush simple structure, novelty, required cost is lower, can realize the inside omnidirectional rinse thoroughly of erlenmeyer flask, and the operation is very simple, only needs to put into this erlenmeyer flask brush to the erlenmeyer flask in, 4 bottoms of sliding sleeve and erlenmeyer flask contact back, continue to push down, open brush-holder stud 3 with the erlenmeyer flask wall contact back, rotate jackshaft 1 and can realize the comprehensive washing to the erlenmeyer flask. After cleaning, lifting the intermediate shaft 1 to close the brush rod 3, and taking out the conical flask brush; and the cleaning work of the conical bottles with different wide angles can be realized by adjusting the height of the sliding sleeve 4, and the applicability is wide.

Example two

According to the first embodiment, the arrangement of the brushing members 9 is further improved on the basis of the first embodiment. Specifically, as shown in fig. 4 and 5, a hook and loop fastener 11 is disposed on a surface of the brush rod 3 facing the conical flask, such that a flat surface 111 of the hook and loop fastener 11 is connected to the brush rod 3, and a hook surface 112 of the hook and loop fastener 11 is exposed.

The brushing part 9 arranged on the brush rod 3 is a brush belt 12, the brush belt 12 is sold on the market and has various types, and the description is not repeated here, and the brush can be a high-density soft brush; meanwhile, the side, which is not provided with the bristles, of the brush belt 12 is set to be a fluff surface 13, the fluff surface 13 of the brush belt is connected with the hook surface 112 of the magic tape 11 in a thread gluing mode, and the brush rod 3 and the brushing part 9 of the conical bottle brush are connected in a thread gluing mode, so that the conical bottle brush is convenient to disassemble and replace.

And for further improvement to the cleaning performance to the erlenmeyer flask lower extreme corner, set up the brush hair direction on the brush area 12 for the slope downwards, make it can be fully high-efficient ground to the washing of erlenmeyer flask lower extreme corner. The brushing component 9 arranged on the elastic band 7 can be bristles sewed on the elastic band 7, and the density of the bristles is as high as possible, so that the cleaning of the bottom of the conical bottle can be completed when the elastic band 7 is elongated, and meanwhile, the length of the bristles at the bottom end of the brush rod 3 can be properly increased. Of course, the surface of the elastic band 7 facing the bottom of the conical flask can be made into a fluff shape, and when the intermediate shaft 1 is rotated, the bottom of the conical flask can be cleaned through the lower end surface of the elastic band 7.

EXAMPLE III

In the application, the connection mode of the elastic band 7 is further limited, and the connection band is convenient to replace and clean. Specifically, as shown in fig. 6 and 7, a collar 14 is provided at the inner side of the lower end of the brush rod 3 and the lower end of the side wall of the sliding sleeve 4, a connecting string 15 is provided at both ends of the elastic band 7, and both ends of the elastic band 7 are bound to the collar 14 through the connecting string 15, thereby connecting the elastic band between the brush rod 3 and the sliding sleeve 4. By the design, the dismounting and the mounting are convenient and fast, the operation is simple, and the replacement can be carried out in time

And because the sliding sleeve 4 contacts the bottom of the conical flask, the intermediate shaft 1 is continuously pressed downwards, and the lower end of the brush rod 3 can be continuously contacted with the bottom of the conical flask in the opening process of the brush rod 3, so that the friction abrasion between the brush rod 3 and the bottom of the conical flask can be caused. In this embodiment, as shown in fig. 8, a sponge block 16 is connected to the lower end of the brush rod 3, so that the brush rod 3 is in flexible contact with the erlenmeyer flask, and when the brush rod 3 is opened, friction and abrasion with the bottom of the erlenmeyer flask are avoided, and when the brush rod 3 is opened, a path through which the erlenmeyer flask passes can be wiped; meanwhile, the sponge block 16 is arranged to be spherical, so that the brush rod 3 can be smoothly opened.

Example four

On the basis of any one of the above embodiments, the structure of the conical bottle brush is further improved. As shown in fig. 9, a channel 17 is provided at the center of the brush rod 3 along the length direction thereof, an outlet 18 is provided at the lower end of the brush rod 3, a steel wire 19 is inserted into the channel 17, the lower end of the steel wire 19 is wrapped with a cleaning cloth 20, the lower end of the steel wire 19 penetrates out from the outlet 18, and the upper end of the steel wire 19 is located above the inlet at the upper end of the channel 17.

In the specific implementation, in order to further improve the cleaning capability of the corner at the bottom in the conical bottle, the existence of a cleaning dead angle is avoided; after the middle shaft 1 is rotated and the conical flask is brushed, a steel wire 19 with the lower end wrapped with cleaning cloth 20 can enter the channel 17 from an inlet at the upper end of the channel 17 and penetrate out from an outlet 18 at the lower end of the steel wire 19, and specifically, the outlet 18 is arranged at one side of the lower end of the brush rod 3 facing the wall of the conical flask and is in smooth arc connection with the channel 17; the corners of the bottom end of the conical flask are thoroughly cleaned by drawing the steel wire 19, so that the cleaning is efficient and clean.

In the description above, references to "one embodiment," "an embodiment," "one example," "an example," etc., indicate that the embodiment or example so described may include a particular feature, structure, characteristic, property, element, or limitation, but every embodiment or example does not necessarily include the particular feature, structure, characteristic, property, element, or limitation. Moreover, repeated use of the phrase "in accordance with an embodiment of the present application" although it may possibly refer to the same embodiment, does not necessarily refer to the same embodiment.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A kind of conical flask brush, characterized by: comprises an intermediate shaft (1) and a brush rod (3) with the upper end fixed on the intermediate shaft (1) through a fixing ring (2); the lower end of the intermediate shaft (1) is sleeved in a sliding sleeve (4), an opening (5) is formed in the upper end of the sliding sleeve (4), a clamping block (6) is arranged at the lower end of the intermediate shaft (1), and the size of the clamping block (6) is larger than that of the opening (5) and smaller than that of the cross section of the sliding sleeve (4);

the lower end of the brush rod (3) is connected with the bottom end of the sliding sleeve (4) through an elastic band (7), the sliding sleeve (4) is further connected with a movable rod (8), and two ends of the movable rod (8) are movably connected with the upper end edges of the brush rod (3) and the sliding sleeve (4) respectively; the brush rod (3) and the elastic band (7) are both provided with a brushing piece (9), and the lower end of the sliding sleeve (4) is provided with a sponge layer (10).

2. The erlenmeyer flask brush of claim 1, wherein: a magic tape (11) is arranged on one surface of the brush rod (3) facing the conical flask, and a flat surface (111) of the magic tape (11) is connected with the brush rod (3); the brushing part (9) arranged on the brush rod (3) is a brush belt (12), one side of the brush belt (12) without bristles is provided with a fluff surface (13), and the fluff surface (13) on the brush belt (12) is connected with a hook surface (112) on the magic tape (11) in a sticking and gluing way.

3. The erlenmeyer flask brush of claim 2, wherein: the direction of the bristles on the brush belt (12) is inclined downwards.

4. The erlenmeyer flask brush of claim 1, wherein: the brushing piece (9) arranged on the elastic band (7) is a brush hair sewed on the elastic band (7).

5. The erlenmeyer flask brush according to any one of claims 1 to 4, wherein: the inner side of the lower end of the brush rod (3) and the lower end of the side wall of the sliding sleeve (4) are both provided with a lantern ring (14), the two ends of the elastic band (7) are both provided with connecting ropes (15), and the two ends of the elastic band (7) are tied on the lantern ring (14) through the connecting ropes (15).

6. The erlenmeyer flask brush of claim 1, wherein: the lower end of the brush rod (3) is connected with a spherical sponge block (16).

7. The erlenmeyer flask brush of claim 1, wherein: the movable rod (8) is connected with the brush rod (3) and the sliding sleeve (4) through a shaft pin.

8. The erlenmeyer flask brush of claim 1, wherein: the upper end of the movable rod (8) is connected with the middle part of the brush rod (3).

9. The erlenmeyer flask brush of claim 1, wherein: the brush rod structure is characterized in that a channel (17) is arranged in the center of the brush rod (3) along the length direction of the brush rod, an outlet (18) is formed in the lower end of the brush rod (3), a steel wire (19) penetrates through the channel (17), cleaning cloth (20) wraps the lower end of the steel wire (19), the lower end of the steel wire (19) penetrates out of the outlet (18), and the upper end of the steel wire (19) is located above an inlet at the upper end of the channel (17).

10. The erlenmeyer flask brush of claim 9 wherein: the outlet (18) is arranged on one side of the lower end of the brush rod (3) facing the conical bottle wall.

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