CN219762729U - Novel volumetric flask washing brush - Google Patents

Abstract

The utility model discloses a novel volumetric flask washing brush, which comprises a bottle body and a cannula positioned in the bottle body, wherein a bearing is arranged at the inner bottom end of the cannula, a screw rod is rotatably connected to the bearing, a driving rod is fixedly arranged at the top end of the screw rod, the other end of the driving rod movably penetrates through the cannula and is connected with an anti-slip end part, two openings which are respectively symmetrical left and right are arranged on the outer surface of the lower end of the cannula, a connecting plate is hinged at the outer bottom end in the opening, an opening and closing assembly is jointly connected between the two connecting plates, and first bristles and second bristles which are uniformly distributed are respectively and fixedly connected with the lower surfaces of the connecting plate and the cannula.

Description

Novel volumetric flask washing brush

Technical Field

The utility model relates to the technical field of volumetric flask washing devices, in particular to a novel volumetric flask washing brush.

Background

The volumetric flask simply is a container capable of containing liquid, the volumetric flask is a thin pear-shaped flat bottom, the volumetric flask is frequently used in the chemical experiment process, and the volumetric flask needs to be cleaned in the use process of the volumetric flask, so that a volumetric flask cleaning brush is needed, but the general volumetric flask cleaning brush can be used for cleaning the inside of the volumetric flask, but the bottom in the bottle is difficult to clean, so that the cleaning of the bottom in the bottle is not very thorough, and therefore, the novel volumetric flask cleaning brush is provided.

Disclosure of Invention

The utility model aims to provide a novel volumetric flask washing brush for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel volumetric flask washing brush, includes the bottle and is located the intubate of bottle, the upper and lower both ends of intubate are the closed state, and the inside bottom of intubate installs the bearing, rotate on the bearing and be connected with the lead screw, and the top of lead screw has set firmly the actuating lever, the other end activity of actuating lever runs through the intubate and is connected with anti-skidding tip, two openings that are bilateral symmetry respectively have been seted up to the external surface of intubate lower extreme, and the outside bottom in the opening articulates there is the connecting plate, is connected with the subassembly that opens and shuts between two connecting plates jointly, the lower surface of connecting plate and intubate respectively fixedly connected with evenly distributed's bristle No. one and No. two.

Further, the opening and closing assembly comprises two rotating plates, the two rotating plates are respectively located in the two openings, an adjusting cylinder is hinged between the opposite side ends of the two rotating plates, the adjusting cylinder is sleeved on the outer surface of the screw rod, the adjusting cylinder is in threaded connection with the screw rod, and one side end, away from the adjusting cylinder, of the two rotating plates is hinged with the middle surface, close to one side of the opening, of the two connecting plates respectively.

Further, the inner bottom end of the opening is flush with the bottom end of the bearing, and the inner top end of the opening is flush with the top end of the screw rod.

Further, the height from the bearing to the bottom end inside the bottle body is the same as the height of the first bristle.

Further, the sum of the lengths of the two connecting plates and the diameter length of the cannula is the same as the length of the bottom wall in the bottle body.

Further, the outside surface on intubate top has set firmly two respectively and has been controlling opposite L type extension board, and is connected with the holding rod jointly between the inside top of two L type extension boards, the middle part fixed surface of holding rod outer end has cup jointed anti-skidding sleeve pipe.

Further, one side end of the connecting plate, which is far away from the cannula, is fixedly connected with a soft rubber protection pad, and one side end of the soft rubber protection pad, which is far away from the connecting plate, is arc-shaped.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the novel volumetric flask washing brush is used, firstly, the cannula is inserted into the volumetric flask, the second bristle is contacted with the inner bottom end of the flask body, then the cannula is held by one hand to keep the cannula motionless, the other hand is used for holding the anti-slip end part and rotating the cannula positively, and accordingly the driving rod can drive the screw rod to rotate positively, and the adjusting cylinder in threaded connection with the screw rod can be driven to move downwards.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic perspective view of a side view of a cannula according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

in the figure: 1. a bottle body; 2. a cannula; 3. a bearing; 4. a screw rod; 5. a driving rod; 6. an anti-slip end; 7. an opening; 8. a connecting plate; 9. an opening and closing assembly; 91. a rotating plate; 92. an adjustment cylinder; 10. a first bristle; 11. brushing hair number two; 12. a soft rubber protective pad; 13. l-shaped support plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, a volumetric flask is simply a container capable of containing liquid, although a general volumetric flask washing brush can wash the inside of the volumetric flask, it is difficult to wash the bottom inside the flask, so that the cleaning of the bottom inside the flask is not very thorough, in order to solve the above problems, we provide an utility model patent of a novel volumetric flask washing brush, a novel volumetric flask washing brush comprises a flask body 1 and an insertion tube 2 positioned in the flask body 1, both the upper and lower ends of the insertion tube 2 are in a closed state, the outer diameter of the insertion tube 2 is smaller than the caliber of the flask body 1, a bearing 3 is mounted at the inner bottom end of the insertion tube 2, a screw rod 4 is rotatably connected on the bearing 3, a driving rod 5 is fixedly arranged at the top end of the screw rod 4, the other end of the driving rod 5 movably penetrates through the insertion tube 2 and is connected with an anti-slip end part 6, the driving rod 5 and the screw rod 4 are convenient to rotate by arranging the anti-slip end part 6, two openings 7 which are respectively in bilateral symmetry are formed in the outer surface of the lower end of the insertion tube 2, the openings 7 are communicated with the inside of the insertion tube 2, the bottom end of the outer side in each opening 7 is hinged with a connecting plate 8, the outer wall of each connecting plate 8 is not contacted with the inner wall of each opening 7, friction resistance is avoided between the two connecting plates 8, an opening and closing assembly 9 is commonly connected between the two connecting plates 8, first bristles 10 and second bristles 11 which are uniformly distributed are fixedly connected to the lower surface of the connecting plates 8 and the insertion tube 2 respectively, and the first bristles 10 and the second bristles 11 are bristles which can clean dirt on the inner wall of a volumetric flask in the prior art and are not described herein.

Referring to fig. 1 and 3, the opening and closing assembly 9 includes two rotating plates 91, the two rotating plates 91 are respectively located in the two openings 7, and an adjusting cylinder 92 is hinged between opposite side ends of the two rotating plates 91, the adjusting cylinder 92 is sleeved on the outer surface of the screw rod 4, the adjusting cylinder 92 is in threaded connection with the screw rod 4 (an inner wall of the adjusting cylinder 92 is provided with internal threads adapted to the screw rod 4), one side end of the two rotating plates 91 away from the adjusting cylinder 92 is respectively hinged with a middle surface of one side of the two connecting plates 8, close to the openings 7, of the two connecting plates 8, through the threaded connection between the adjusting cylinder 92 and the screw rod 4, the adjusting cylinder 92 can move downwards or upwards when the screw rod 4 rotates, so that the two connecting plates 8 can be driven to open and close respectively through the two rotating plates 91, and thus when the first-number-bristle 10 is used, the connecting plates 8 are parallel to the bottom of the bottle body (the screw rod 4 is enough to rotate to be parallel to the bottom of the bottle body 1), and the first-number-bristle 10 is not used, the connecting plates 8 are stored in the openings 7, so that the second-size-bristle-number-bristle-2 can be conveniently pulled out from the bottle 2.

Referring to fig. 1-3, the inner bottom end of the opening 7 is flush with the bottom end of the bearing 3, the inner top end of the opening 7 is flush with the top end of the screw 4, and enough space is provided in the opening 7 to accommodate the connection plate 8.

Referring to fig. 3, the height from the bearing 3 to the bottom end of the interior of the bottle 1 is the same as the height of the first bristle 10.

Referring to fig. 1, the sum of the lengths of the two connecting plates 8 and the diameter length of the cannula 2 is the same as the length of the bottom wall in the bottle 1, when the connecting plates 8 rotate to be in a state of being perpendicular to the cannula 2, the first bristle 10 can be in contact with the bottom wall in the bottle 1, two L-shaped support plates 13 which are respectively opposite left and right are fixedly arranged on the outer surface of the top end of the cannula 2, holding rods are commonly connected between the inner top ends of the two L-shaped support plates 13, and an anti-slip sleeve is fixedly sleeved on the middle surface of the outer end of each holding rod, so that the cannula 2 can be conveniently rotated and used by arranging the L-shaped support plates 13, the holding rods and the anti-slip sleeve, and the convenience in use of the cannula 2 is improved.

Example 2

The soft rubber protection pad 12 is added on the basis of the embodiment 1, please refer to fig. 4, one side end of the connecting plate 8 away from the insertion tube 2 is fixedly connected with the soft rubber protection pad 12, and one side end of the soft rubber protection pad 12 away from the connecting plate 8 is arc-shaped, by arranging the soft rubber protection pad 12, when the connecting plate 8 drives the first bristle 10 to brush the bottom wall in the bottle 1, one side end of the connecting plate 8 away from the opening 7 is contacted with the inner wall of the bottle 1, and the inner wall of the bottle 1 is worn for a long time (because the connecting plate 8 is a rectangular plate, corners of the connecting plate have certain sharpness, if the insertion tube 2 is rotated, the side wall of the connecting plate 8 is carelessly impacted on the inner wall of the bottle 1 to possibly wear the inner wall of the bottle 1), so that the inner wall of the bottle 1 is protected, and the practicability of the device is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a novel volumetric flask washing brush, includes bottle (1) and is located intubate (2) in bottle (1), its characterized in that: the utility model discloses a novel structure of a cannula, including intubate (2), bearing (3) are installed to the upper and lower both ends of intubate (2), and the inside bottom of intubate (2) is installed, rotate on bearing (3) and be connected with lead screw (4), and the top of lead screw (4) has set firmly actuating lever (5), the other end activity of actuating lever (5) runs through intubate (2) and is connected with anti-skidding tip (6), two openings (7) that are bilateral symmetry respectively have been seted up to the external surface of intubate (2) lower extreme, and the outside bottom articulates in opening (7) has connecting plate (8), is connected with between two connecting plates (8) and opens and shuts subassembly (9) jointly, the lower surface of connecting plate (8) and intubate (2) is fixedly connected with evenly distributed's bristle (10) and bristle (11) No. two respectively.

2. A novel volumetric flask washing brush according to claim 1, wherein: the opening and closing assembly (9) comprises two rotating plates (91), the two rotating plates (91) are respectively located in the two openings (7), an adjusting cylinder (92) is hinged between one opposite side ends of the two rotating plates (91), the adjusting cylinder (92) is sleeved on the outer surface of the screw rod (4), the adjusting cylinder (92) is in threaded connection with the screw rod (4), one side end, away from the adjusting cylinder (92), of the two rotating plates (91) is hinged with the middle surface, close to one side of the opening (7), of the two connecting plates (8) respectively.

3. A novel volumetric flask washing brush according to claim 1, wherein: the inner bottom end of the opening (7) is flush with the bottom end of the bearing (3), and the inner top end of the opening (7) is flush with the top end of the screw rod (4).

4. A novel volumetric flask washing brush according to claim 1, wherein: the height from the bearing (3) to the bottom end inside the bottle body (1) is the same as the height of the first brush hair (10).

5. A novel volumetric flask washing brush according to claim 1, wherein: the sum of the lengths of the two connecting plates (8) and the diameter length of the insertion tube (2) is the same as the length of the bottom wall in the bottle body (1).

6. A novel volumetric flask washing brush according to claim 1, wherein: the outer surface at the top end of the insertion pipe (2) is fixedly provided with two L-shaped support plates (13) which are respectively opposite left and right, holding rods are connected between the inner top ends of the two L-shaped support plates (13) together, and the middle surface of the outer end of each holding rod is fixedly sleeved with an anti-slip sleeve.

7. A novel volumetric flask washing brush according to claim 1, wherein: one side end of the connecting plate (8) far away from the insertion tube (2) is fixedly connected with a soft rubber protection pad (12), and one side end of the soft rubber protection pad (12) far away from the connecting plate (8) is arc-shaped.