CN218590562U

CN218590562U - Liquid dropper

Info

Publication number: CN218590562U
Application number: CN202222590133.1U
Authority: CN
Inventors: 张英哲; 钱丽娟; 竺威
Original assignee: China Jiliang University
Current assignee: China Jiliang University
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-03-10
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a fluid liquid dropper, including the burette, be equipped with dripping mechanism, pressing mechanism and drive mechanism in the burette, dripping mechanism can drip the inside liquid of burette completely, prevents to remain, and when pressing mechanism can ensure to press at every turn, the amount of dripping of burette is unanimous, controls the liquid amount that the burette drips effectively, and drive mechanism can turn into the power that the burette dripped with the power of pressing, realizes the drippage of liquid, the utility model discloses a set up dripping mechanism, drive the propulsion piece and rotate and remove, prevent that the burette inner wall from having remaining condition when using, improve the accuracy, the utility model discloses a having set up pressing mechanism, having driven the pressure board round trip movement, can controlling the amount that the burette dripped at every turn effectively, more easily controlled, the utility model discloses a set up drive mechanism, turn into the rotation of threaded rod with the removal of pressure board, drive the propulsion piece and remove, can drip the liquid in the burette.

Description

Liquid dropper

Technical Field

The utility model relates to a burette field specifically is a fluid liquid burette.

Background

The prior liquid dropper is difficult to control the specific amount of liquid dripped by the dropper, excessive liquid can be dripped by carelessness, and when the prior dropper is mostly used, some liquid can be remained on the inner surface of the dropper, the use is incomplete, and the inaccuracy of tests or other purposes can be caused, so the dropper which can effectively control the dripping amount and avoid the residual liquid in the dropper is needed to realize the function.

To this, the utility model patent of publication number CN211740747U discloses a structure of fluid liquid burette, including installation component, rubber head and burette, the top at the burette is installed to the installation component, the bottom of rubber head has the swivel of being connected with the installation component rotation firmly, be provided with the piston that the screw hole was seted up to inside in the burette, the bottom of swivel is connected with the spiral shell bucket with the axle center, spiral shell bucket overcoat is equipped with the nut seat with piston top rigid connection, be provided with the action bars on the axis line of spiral shell bucket, outside the top of action bars runs through to the rubber head, the bottom is connected with the connecting plate of closing the connection soon with the spiral shell bucket inner wall.

The liquid dropper in the above-mentioned case does not solve the problem of residue inside the dropper when the dropper is used, and the amount of liquid to be dripped when the dropper is used cannot be effectively controlled, and the amount of liquid to be dripped can be controlled by the amount of displacement of the button, so that a certain amount of liquid to be dripped each time the button is turned back and forth.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fluid liquid dropper to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fluid liquid dropper comprises a dropper, wherein a dripping mechanism, a pressing mechanism and a transmission mechanism are arranged in the dropper;

the dripping mechanism can completely drip out liquid in the dropper to prevent the liquid from remaining, the pressing mechanism can ensure that the dripping amount of the dropper is consistent when the dropper is pressed every time, the liquid amount dripped by the dropper is effectively controlled, and the transmission mechanism can convert the pressing power into the dripping power of the dropper to realize the dripping of the liquid;

preferably, the drip mechanism includes the liquid chamber that is equipped with in the burette, the burette downside is equipped with the drip part, and liquid passes through the drip part drips, be equipped with the transmission chamber in the burette upper end wall, the transmission intracavity rotates and is connected with the other end and is located the threaded rod of liquid intracavity, threaded connection has the propulsion piece on the threaded rod, the threaded rod rotates, can drive the propulsion piece removes, the propulsion piece is hugged closely liquid intracavity wall when the propulsion piece removes, can avoid the liquid of inner wall to remain.

Preferably, the transmission mechanism comprises a rotating plate fixedly connected with the threaded rod and located in the transmission cavity, the rotating plate is fixedly connected with a first connecting rod, the first connecting rod is rotatably connected with a connecting plate, the connecting plate is rotatably connected with a second connecting rod, the second connecting rod is rotatably connected with a moving rod, and the movement of the moving rod can be converted into the rotation of the rotating plate to drive the pushing block to move;

preferably, the pressing mechanism comprises a spring frame fixedly connected with the side surface of the dropper, a spring cavity is arranged in the spring frame, the movable rod penetrates through the spring frame and is in sliding connection with the spring frame, and the movable rod is fixedly connected with a spring plate positioned in the spring cavity;

the spring plate is connected with the inner wall of the spring frame in a sliding mode, a return spring is fixedly connected between the spring plate and the left end wall of the spring cavity, the moving rod is fixedly connected with a pressing plate located on the outer side, the pressing plate can drive the moving rod to move and compress the return spring when pressed down, and when loosened, the return spring can automatically recover to the original shape.

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

the utility model is provided with the dripping mechanism to drive the propelling block to rotate and move, so that the inner wall of the dropper is prevented from remaining when in use, and the accuracy is improved;

the utility model is provided with the pressing mechanism to drive the pressing plate to move back and forth, which can effectively control the dripping amount of the dropper each time and is easier to control;

the utility model discloses a set up drive mechanism, will turn into the rotation of threaded rod according to the removal of pressing plate, drive and impel the piece and remove, can drip the liquid in the burette out.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the dripping mechanism of the present invention;

FIG. 3 is an enlarged schematic view of the middle pressing mechanism of the present invention;

FIG. 4 is an enlarged schematic view of the transmission mechanism of the present invention;

FIG. 5 is an enlarged schematic view of the transmission mechanism of the present invention;

fig. 6 is a front view of the transmission mechanism of the present invention;

FIG. 7 isbase:Sub>A schematic sectional view taken along line A-A of FIG. 6;

fig. 8 is a schematic view of the components of the present invention.

In the figure: 10. a dropper; 11. a dripping member; 12. a liquid chamber; 15. a propulsion block; 16. a threaded rod; 17. a spring cavity; 18. a travel bar; 19. a return spring; 20. a spring plate; 21. a pressing plate; 22. a transmission cavity; 23. a rotating plate; 24. a first connecting rod; 25. a connecting plate; 26. a second connecting rod; 27. a spring holder; 28. a drip-out mechanism; 29. a pressing mechanism; 30. and a transmission mechanism.

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 embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-2, the present invention provides a technical solution: a fluid liquid dropper comprises a dropper 10, wherein a dropping mechanism 28, a pressing mechanism 29 and a transmission mechanism 30 are arranged in the dropper 10, and the dropping mechanism 28 can completely drop liquid in the dropper to prevent the liquid from remaining;

the pressing mechanism 29 can ensure that the amount of liquid dripping from the dropper is consistent every time the dropper is pressed, the amount of liquid dripping from the dropper can be effectively controlled, and the transmission mechanism 30 can convert the pressing power into the power for dripping from the dropper, so that the liquid can be dripped.

The dripping mechanism 28 comprises a liquid cavity 12 arranged in the dropper 10, a dripping part 11 is arranged at the lower side of the dropper 10, liquid drips out through the dripping part 11, a transmission cavity 22 is arranged in the upper end wall of the dropper 10, and the transmission cavity 22 is rotatably connected with a threaded rod 16 of which the other end is positioned in the liquid cavity 12;

threaded connection has propulsion piece 15 on the threaded rod 16, threaded rod 16 rotates, can drive propulsion piece 15 removes, propulsion piece 15 hugs closely liquid chamber 12 inner wall when propulsion piece 15 removes, can avoid the liquid of inner wall to remain.

The transmission mechanism 30 comprises a rotating plate 23 fixedly connected with the threaded rod 16 and positioned in the transmission cavity 22, the rotating plate 23 is fixedly connected with a first connecting rod 24, and the first connecting rod 24 is rotatably connected with a connecting plate 25;

the connecting plate 25 is rotatably connected with a second connecting rod 26, the second connecting rod 26 is rotatably connected with a moving rod 18, and the movement of the moving rod 18 can be converted into the rotation of the rotating plate 23 to drive the pushing block 15 to move;

example 2:

referring to fig. 3-8, embodiment 2 is different from embodiment 1 in that:

the pressing mechanism 29 comprises a spring frame 27 fixedly connected with the side surface of the dropper 10, a spring cavity 17 is arranged in the spring frame 27, the movable rod 18 penetrates through the spring frame 27 and is in sliding connection with the spring frame 27, the movable rod 18 is fixedly connected with a spring plate 20 positioned in the spring cavity 17, and the spring plate 20 is in sliding connection with the inner wall of the spring frame 27;

a return spring 19 is fixedly connected between the spring plate 20 and the left end wall of the spring cavity 17, and a pressing plate 21 positioned on the outer side is fixedly connected to the moving rod 18;

when the pressing plate 21 is pressed down, the moving rod 18 is driven to move and compress the return spring 19, and when the pressing plate is released, the return spring 19 automatically restores to the original shape.

The working principle is as follows:

when liquid is put in the liquid cavity 12 and needs to be dripped out, the pressing plate 21 is pressed to the bottom, the moving rod 18 is driven to move, the second connecting rod 26 is driven to move, the connecting plate 25 is driven to move and rotate, the first connecting rod 24 is driven to rotate, the rotating plate 23 is driven to rotate, the threaded rod 16 is driven to rotate, the propelling block 15 is driven to rotate and move, and the liquid is extruded out;

when the pressing plate 21 is pressed to the bottom, the rotating plate 23 is driven to rotate for a half circle, and then when the pressing plate 21 is released, the return spring 19 drives the spring plate 20 to move to the initial position, and the movable rod 18 and the pressing plate 21 are driven to return to the initial position;

then the liquid stops dripping, the dripping amount of each time is controlled, and the liquid residue is avoided.

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

Claims

1. A fluid drop tube comprising a drop tube (10), characterized in that: a dripping mechanism (28), a pressing mechanism (29) and a transmission mechanism (30) are arranged in the dropper (10), the dripping mechanism (28) can completely drip out liquid in the dropper to prevent the liquid from remaining, the pressing mechanism (29) can ensure that the dripping amount of the dropper is consistent when the dropper is pressed every time, the liquid amount dripped by the dropper is effectively controlled, and the transmission mechanism (30) can convert the pressing power into the dripping power of the dropper to realize the dripping of the liquid; the dripping mechanism (28) comprises a liquid cavity (12) arranged in the dropper (10), a dripping part (11) is arranged on the lower side of the dropper (10), liquid is dripped out through the dripping part (11), a transmission cavity (22) is arranged in the upper end wall of the dropper (10), and a threaded rod (16) with the other end located in the liquid cavity (12) is rotatably connected in the transmission cavity (22).

2. A fluid drop tube according to claim 1, wherein: threaded connection has propulsion piece (15) on threaded rod (16), threaded rod (16) rotate, can drive propulsion piece (15) remove, propulsion piece (15) are hugged closely liquid chamber (12) inner wall when propulsion piece (15) remove, can avoid the liquid of inner wall to remain.

3. A fluid drop tube according to claim 1, wherein: drive mechanism (30) include with threaded rod (16) fixed connection just is located rotor plate (23) in transmission chamber (22), rotor plate (23) fixedly connected with head rod (24), head rod (24) rotate and are connected with connecting plate (25), connecting plate (25) rotate and are connected with second connecting rod (26).

4. A fluid drop tube according to claim 3, wherein: the second connecting rod (26) is rotatably connected with a moving rod (18).

5. A fluid drop tube according to claim 4, wherein: the pressing mechanism (29) comprises a spring frame (27) fixedly connected with the side face of the dropper (10), a spring cavity (17) is formed in the spring frame (27), and the movable rod (18) penetrates through the spring frame (27) and is in sliding connection with the spring frame (27).

6. A fluid drop tube according to claim 5, wherein: the movable rod (18) is fixedly connected with a spring plate (20) located in the spring cavity (17), and the spring plate (20) is connected with the inner wall of the spring frame (27) in a sliding mode.

7. A fluid drop tube according to claim 6, wherein: a return spring (19) is fixedly connected between the spring plate (20) and the left end wall of the spring cavity (17), the moving rod (18) is fixedly connected with a pressing plate (21) located on the outer side, and the pressing plate (21) can drive the moving rod (18) to move and compress the return spring (19) when pressed down.