CN218422867U - Dropper - Google Patents

Abstract

The utility model provides a dropper, which comprises a pipe body, a dropper and a support, wherein the pipe body is connected with the dropper through the support, a cavity with a single-side opening is arranged in the pipe body, the dropper can be arranged at the opening position of the cavity of the pipe body, the support is positioned at the opening position of the cavity on the pipe body, the interior of the dropper is communicated up and down, a sealing film is arranged at one side of the opening of the cavity, and the pipe body has elasticity; wherein, the dripper is provided with a puncture structure. The drip tube of the utility model comprises a detachable dropper, when the liquid is not required to be dripped, the sample/reagent can be stored in the cavity, and when the liquid is required to be dripped, the dropper is arranged; meanwhile, the dripper is provided with a puncture structure which can puncture the sealing film, so that the dripper can be directly arranged on the pipe body under the condition that the sealing film is not torn; the punctured sealing film can enter the cavity, and part of the sealing film can be clamped between the dripper and the inner wall of the cavity, so that the dripper is more firmly fixed at the opening position of the cavity.

Description

Dropper

Technical Field

The utility model belongs to the technical field of medical instrument and specifically relates to a burette.

Background

The following background description is merely an introduction to the general knowledge and is not intended to limit the invention in any way.

The traditional dropper is composed of a dropper body and a nipple, a sharp mouth hole is formed in the lower end of the dropper body, when the dropper is used, an operator can stretch the sharp mouth hole of the dropper into a container to suck a certain amount of samples, and the sample squeezing can be completed by squeezing the dropper. The traditional dropper has the defects of liquid leakage and sample pollution because the sharp mouth hole cannot be closed, and the dropper cannot realize the storage of the sample.

Disclosure of Invention

An object of the utility model is to provide a dropper to solve the problem that provides among the background art.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a burette comprises a pipe body, a dropper and a support, wherein the pipe body is connected with the dropper through the support, a cavity with an opening on one side is arranged in the pipe body, the dropper can be arranged at the opening position of the cavity of the pipe body, the support is positioned at the opening position of the cavity on the pipe body, the interior of the dropper is communicated up and down, a sealing film is arranged on one side of the opening of the cavity, and the pipe body has elasticity;

wherein, the dripper is provided with a puncture structure.

Further, the piercing structure is integral with the dripper.

Furthermore, a drip hole is formed in the head of the dripper, a through hole is formed in the tail of the dripper, the drip hole is communicated with the through hole, and the drip hole is communicated with the cavity through the through hole;

wherein, the puncture structure is positioned at one side of the through hole on the dripping head.

Furthermore, the side of the puncture structure far away from the drip hole is pointed.

Further, the piercing structure is disposed along an opening edge of the through-hole.

Further, the piercing structure is arc-shaped.

Further, the puncture structure is positioned on the opening edge of the through hole and close to one side of the tube body.

Furthermore, an easy-cutting structure is arranged on the sealing film.

Further, the structure of easy cutting is a crease, and the crease is concave towards one side of the cavity.

Further, the crease is arc-shaped;

wherein, the easily-cut structure is positioned on the sealing film and close to one side of the dripper.

The beneficial effects of the utility model are that: the drip tube of the utility model comprises a detachable dropper, when the liquid is not required to be dripped, the sample/reagent can be stored in the cavity, and when the liquid is required to be dripped, the dropper is arranged; meanwhile, the dripper is provided with a puncture structure which can puncture the sealing film, so that the dripper can be directly arranged on the pipe body under the condition that the sealing film is not torn; the punctured sealing film can enter the cavity, and part of the sealing film can be clamped between the dripper and the inner wall of the cavity, so that the dripper is more firmly fixed at the opening position of the cavity.

Drawings

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

fig. 2 is a cross-sectional view of fig. 1.

Detailed Description

Embodiments of the invention will be described in further detail with reference to the drawings, it being understood that the examples are illustrative only and should not be taken as limiting the invention, and that all of the features disclosed in the examples or all of the steps in any method or process disclosed herein can be combined in any way, except for mutually exclusive features and/or steps.

The utility model relates to a dropper, including pipe shaft 10, water dropper 30, support 40, pipe shaft 10 is connected with water dropper 30 through support 40, be equipped with a unilateral open-ended cavity 20 in the pipe shaft 10, pipe shaft 10 cavity 20's open position can be installed to water dropper 30, support 40 is located pipe shaft 10 and goes up cavity 20 open-ended position, water dropper 30 is inside to be communicate from top to bottom, the sample can be loaded in cavity 20, in order to avoid the sample in the cavity 20 to expose in the external world, opening one side of cavity 20 is equipped with sealing film 60, sealing film 60 can be with the complete sealing of sample in cavity 20, sealing film 60 can choose the aluminium foil for use, it adopts the encapsulation mode that similar toothpaste adopted, sealing film 60 can solve the weeping, the easy contaminated defect of sample. The tube body 10 has elasticity, and when the dropper 30 is mounted on the cavity 20, the sample/reagent in the cavity 20 can be squeezed out from the dropping hole 31 by squeezing the tube body 10. Furthermore, the dripper 30 is provided with a piercing structure 39, the piercing structure 39 can pierce the sealing film 60, so that the dripper 30 can be directly mounted on the pipe body 10 without tearing the sealing film 60, and meanwhile, the pierced sealing film 60 can enter the cavity 20, and part of the sealing film 60 can be clamped between the dripper 30 and the inner wall of the cavity 20, so that the dripper 30 can be more firmly fixed at the opening position of the cavity 20.

Preferably, the piercing structure 39 is integral with the dripper 30.

Preferably, a drip hole 31 is formed in the head of the dripper 30, a through hole 32 is formed in the tail of the dripper 30, the drip hole 31 is communicated with the through hole 32, and the drip hole 31 is communicated with the cavity 20 through the through hole 32. Further, the piercing structure 39 is located on the dripper 30 on the side of the through hole 32.

Preferably, piercing structure 39 is pointed away from drip hole 31.

Preferably, the puncturing structure 39 is disposed along the opening edge of the through hole 32, and the puncturing structure 39 has an arc shape. Further, a piercing structure 39 is provided on the opening edge of the through hole 32 at a position close to the side of the tubular body 10.

Preferably, in order to facilitate the dripper 30 to pierce the sealing film 60, the sealing film 60 is further provided with an easy-cutting structure 62, and the sealing film 60 can be pierced more easily by applying an acting force to the position of the easy-cutting structure 62 of the sealing film 60. Specifically, the cutting facilitating structure 62 is a fold formed on the sealing film 60, and the fold is recessed toward the cavity 20. Further, puncturing of the sealing membrane 60 by the dripper 30 is facilitated by the puncturing structure 39 on the dripper 30 being aimed at the scissoring structure 62.

Preferably, the fold is arcuate in shape, corresponding to the piercing structure 39.

Preferably, the cutting facilitating structure 62 is located on the sealing membrane 60 adjacent to the dripper 30.

Instead of puncturing the sealing film 60, the sealing film 60 may be torn off and the dripper 30 may be mounted. Preferably, the sealing film 60 is provided with a flange portion 61, and the sealing film 60 can be easily torn off by pulling the flange portion 61, and the flange portion 61 is preferably semicircular.

Preferably, the dripper 30 is provided with a baffle 33, when the dripper 30 is mounted on the opening side of the pipe body 10, the baffle 33 abuts against the opening side of the pipe body 10, and the baffle 33 is used for controlling the mounting position of the dripper 30 to prevent the dripper 30 from being excessively embedded into the pipe body 10.

Preferably, the opening of the side of the dropping hole 31 close to the head of the dropping head 30 (the side from which the sample is dropped) is larger, and the opening of the side of the dropping hole 31 far away from the head of the dropping head 30 is smaller, so that when the dropping head 30 is mounted on the cavity 20, the dropping hole 31 is not easy to leak. Further, the drip hole 31 is tapered.

Preferably, a chamfer 34 is arranged on one side of the head of the dropper 30 away from the dropper 30, the chamfer 34 facilitates the insertion of the dropper 30 into the opening of the pipe body 10, and after the dropper 30 is inserted into the pipe body 10, the contact position of the dropper 30 and the pipe body 10 is in interference fit or transition fit, so that the dropper 30 is not easy to fall off.

Preferably, the support 40, the pipe body 10 and the dripper 30 are integrally formed, and the support 40 is flexible, so that the support 40 can be bent to allow the dripper 30 to be directly attached to the opening position of the cavity 20.

Preferably, the cavity 20 is generally conical, and in its counterpart, the shaft 10 is also conical. The pipe body 10 is provided with a squeezing area 11, and the thickness of the squeezing area 11 of the pipe body 10 is thinner than the thickness of other positions of the pipe body 10, so that the squeezing area is easier to deform. Furthermore, a thickened area 12 is arranged on the pipe body 10, the thickened area 12 is located on the upper side of the extrusion area 11, a reinforcing protrusion 14 is arranged on the surface of the thickened area 12, and the reinforcing protrusion 14 is located in the cavity 20, so that the thickened area 12 is not prone to deformation.

Preferably, the reinforcing protrusion 14 is annular, and four circles of reinforcing protrusions 14 are arranged in the cavity 20 and are spaced up and down.

The above description is only the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through creative work should be covered within the protection scope of the present invention, and therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (10)

1. A burette is characterized by comprising a pipe body, a dropper and a support, wherein the pipe body is connected with the dropper through the support, a cavity with an opening on one side is arranged in the pipe body, the dropper can be arranged at the opening position of the cavity of the pipe body, the support is positioned at the opening position of the cavity on the pipe body, the interior of the dropper is communicated up and down, a sealing film is arranged on one side of the opening of the cavity, and the pipe body has elasticity;

wherein, the dripper is provided with a puncture structure.

2. A dropper as claimed in claim 1, wherein the piercing structure is integral with the dropper head.

3. The dropper of claim 1, wherein the dropper has a hole at the head and a hole at the tail, the hole is connected to the hole, and the hole is connected to the cavity through the hole;

wherein, the puncture structure is positioned at one side of the through hole on the dripping head.

4. A dropper as claimed in claim 3, wherein the piercing formations are pointed away from the drip aperture.

5. A dropper as claimed in claim 3, wherein the piercing formations are arranged along the open edge of the through-hole.

6. A dropper as claimed in claim 1 wherein the piercing formation is arcuate.

7. A dropper as claimed in claim 5, wherein the piercing formation is located on the edge of the opening of the through hole adjacent a side of the body.

8. The dropper of claim 1, wherein the sealing membrane further comprises a cutting structure.

9. A dropper as claimed in claim 8 wherein the frangible formation is a fold which is concave to one side of the chamber.

10. A dropper as claimed in claim 9, wherein the fold is arcuate;

wherein, the easy-cutting structure is positioned on the sealing film and close to one side of the dripper.

Images