CN216946177U

CN216946177U - Drip-proof irrigation needle

Info

Publication number: CN216946177U
Application number: CN202123251031.9U
Authority: CN
Inventors: 彭炬; 杨静
Original assignee: Truking Technology Ltd
Current assignee: Truking Technology Ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-07-12
Anticipated expiration: 2031-12-22

Abstract

The utility model is suitable for the technical field of medicine production, and relates to an anti-drip irrigation needle, which comprises: a needle tube; be equipped with the chamber that holds the valve body in the needle tubing, valve body slidable sets up and is holding the intracavity, and the valve body includes the sealing, sealing and the tip sealing connection who holds the chamber, has seted up the resorption hole on the sealing, is equipped with in the needle tubing to be used for the valve body sealed elastic component that resets. The utility model can effectively prevent the residual liquid medicine in the filling needle from dripping and leaking and avoid the waste of the liquid medicine.

Description

Drip-proof irrigation needle

Technical Field

The utility model belongs to the technical field of medicine production, and particularly relates to an anti-drip irrigation needle.

Background

At present, the packing of the liquid medicine in the field of drug production all adopts the liquid filling machine to go on, therefore the good and bad of filling needle quality of liquid filling machine has decided the good or bad performance of filling equipment to a great extent, and when filling equipment filling among the prior art, still can remain the liquid medicine in filling the needle, remaining liquid medicine can take place the water clock because of self action of gravity, filling equipment remains the liquid medicine also can the water clock when high-speed return pendulum or vibration for the liquid medicine produces unnecessary waste, and manufacturing cost increases, influences the liquid medicine filling.

Therefore, how to prevent the residual liquid medicine in the filling needle from leaking and causing the waste of the liquid medicine is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drip-proof filling needle, which solves the problem of liquid medicine waste caused by dripping of residual liquid medicine in the filling needle in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a drip-proof filling needle, which comprises: a needle tube; the improved valve is characterized in that a containing cavity for containing the valve body is formed in the needle tube, the valve body is arranged in the containing cavity in a sliding mode and comprises a sealing portion, the sealing portion is connected with the end portion of the containing cavity in a sealing mode, a suck-back hole is formed in the sealing portion, and an elastic piece for restoring and sealing the valve body is arranged in the needle tube.

Further, the valve body further comprises a first guide part, and a flow channel for filling is arranged on the first guide part.

Furthermore, the filling needle comprises an upper needle tube and a lower needle tube, and the lower needle tube is arranged at the lower end of the upper needle tube.

Furthermore, the valve body also comprises a second guide part, and a flow channel for filling is arranged on the second guide part.

Furthermore, a first sealing ring is arranged at the contact position of the sealing part and the upper needle tube.

Furthermore, a second sealing ring is arranged at the matching position of the upper needle tube and the lower needle tube.

Compared with the prior art, the drip-proof irrigation needle provided by the utility model at least has the following beneficial effects:

according to the utility model, the sealing part of the valve body is provided with the resorption hole, so that residual liquid medicine in the filling needle is resorbed and recovered from the resorption hole through the resorption capacity of the filling pump, and the problem of liquid medicine waste caused by dripping leakage of the residual liquid medicine can be effectively solved.

Drawings

In order to illustrate the solution of the utility model more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being clear that the drawings in the description below are some embodiments of the utility model, and that other drawings can be derived from them by a person skilled in the art without inventive effort.

FIG. 1 is a general view of a needle with drip-proof function according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of a check valve of the drip-proof irrigation needle according to an embodiment of the present invention;

FIG. 3 is an exploded view of a drip irrigation needle according to an embodiment of the present invention;

reference numerals: 10-a valve body; 101-a seal; 102-suck back hole; 103-an elastic member; 104-a first guide; 105-a second guide; 20-installing a needle tube; 30-lower needle tube; 40-a first sealing ring; 50-second seal ring.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model, e.g., the terms "length," "width," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., refer to an orientation or position based on that shown in the drawings, are for convenience of description only and are not to be construed as limiting of the present disclosure.

The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the description of the above figures are intended to cover non-exclusive inclusions; the terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential order. In the description and claims of the present invention and in the description of the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The utility model provides a drip-proof filling needle, which is applied to filling equipment in the pharmaceutical industry, and comprises: a needle tube;

be equipped with the chamber that holds the valve body in the needle tubing, valve body slidable sets up and is holding the intracavity, and the valve body includes the sealing, and the sealing has seted up the resorption hole with the tip sealing connection who holds the chamber on the sealing, is equipped with in the needle tubing to be used for the valve body to reset sealed elastic component.

According to the utility model, the sealing part of the valve body is provided with the resorption hole, so that residual liquid medicine in the filling needle is resorbed and withdrawn from the resorption hole through the resorption capacity of the filling pump, and the problem of liquid medicine waste caused by dripping leakage of the residual liquid medicine can be effectively solved.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

The utility model provides an anti-drip filling needle, which is applied to filling equipment in the pharmaceutical industry and can also be applied to filling equipment in other fields under certain conditions, and the anti-drip filling needle is combined with figures 1, 2 and 3 and comprises: a needle tube; the needle tube is internally provided with a containing cavity for containing the valve body 10, the valve body 10 is arranged in the containing cavity in a sliding way, the valve body 10 comprises a sealing part 101, the sealing part 101 is hermetically connected with the end part of the containing cavity, the sealing part 101 is provided with a resorption hole 102, residual liquid medicine is resorbed through the resorption hole 102, the needle tube is internally provided with an elastic part 103 for restoring and sealing the valve body 10, when the needle tube is in a filling state, the self gravity and the liquid medicine pressure of the liquid medicine can push the valve body 10 to move downwards, the sealing part 101 is not hermetically connected with the end part of the containing cavity, the liquid medicine is filled from top to bottom, when the filling is stopped, the valve body 10 moves upwards and is hermetically connected with the end part of the containing cavity again due to the reduction of the liquid medicine amount, the pressure and the restoration of the elastic part 103, at the moment, a little liquid medicine remains in the needle tube, the filling pump resorbs the residual liquid medicine through the resorption hole 102, thereby effectively preventing the leakage of the liquid medicine remaining in the needle tube, the problem of cost increase caused by liquid medicine waste is solved.

In this embodiment, as shown in fig. 1, the valve body 10 is a check valve, the sealing portion 101 is a sealing boss, and the elastic member 103 is a spring.

Further, in this embodiment, with reference to fig. 1 and fig. 3, the valve body 10 further includes a first guiding portion 104, and a flow passage for filling is provided on the first guiding portion 104.

In this embodiment, as shown in fig. 1, the first guide portion 104 is provided above the sealing portion 101; in other embodiments, when the valve body 10 is laterally disposed, the first guide portion 104 may be disposed at the left or right side of the sealing portion 101.

Further, in this embodiment, as shown in fig. 3, the filling needle includes an upper needle tube 20 and a lower needle tube 30, the lower needle tube 30 is installed at the lower end of the upper needle tube 20, the upper needle tube 20 is connected to the filling pump, and the liquid medicine enters from the upper needle tube 20 and flows into the lower needle tube 30 from top to bottom.

Further, in this embodiment, as shown in fig. 1, the valve body 10 further includes a second guiding portion 105, and a flow channel for filling is provided on the second guiding portion 105.

In the present embodiment, as shown in fig. 1, the second guide portion 105 is provided below the seal portion 101; in other embodiments, when the valve body 10 is laterally disposed, the second guide portion 105 may be disposed at the left or right side of the sealing portion 101.

Further, in this embodiment, with reference to fig. 1, 2 and 3, a first sealing ring 40 is disposed at a contact portion between the sealing portion 101 and the upper needle cannula 20, so as to ensure the sealing performance between the sealing portion 101 and the upper needle cannula 20.

Further, in this embodiment, with reference to fig. 1 and 3, a second sealing ring 50 is disposed at a matching position of the upper needle tube 20 and the lower needle tube 30 to ensure the sealing performance of the upper needle tube 20 and the lower needle tube 30.

The drip-proof filling needle provided by the embodiment has the advantages that the working process is simple and rapid, the suck-back hole 102 is formed in the sealing part 101 of the valve body 10, residual liquid medicine in the filling needle is sucked back from the suck-back hole 102 through the suck-back capacity of the filling pump, the problem that the liquid medicine is wasted due to the drip leakage of the residual liquid medicine can be effectively solved, the filling cost is reduced, and the filling efficiency is improved.

It is to be understood that the above-described embodiments are merely preferred embodiments of the present invention, and not all embodiments are shown in the drawings, which are set forth to limit the scope of the utility model. This invention may be embodied in many different forms and, on the contrary, these embodiments are provided so that this disclosure will be thorough and complete. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made, and equivalents may be substituted for elements thereof. All equivalent structures made by using the contents of the specification and the attached drawings of the utility model can be directly or indirectly applied to other related technical fields, and are also within the protection scope of the patent of the utility model.

Claims

1. A drip-proof irrigation needle, comprising: a needle tube;

be equipped with the chamber that holds valve body (10) in the needle tubing, valve body (10) slidable sets up and is holding the intracavity, valve body (10) include sealing (101), sealing (101) with the tip sealing connection who holds the chamber, it inhales hole (102) to have seted up back on sealing (101), be equipped with in the needle tubing and be used for valve body (10) to reset sealed elastic component (103).

2. The drip-proof filling needle according to claim 1, wherein the valve body further comprises a first guide portion (104), and a flow channel for filling is provided on the first guide portion (104).

3. The drip-proof irrigation needle as claimed in claim 2, wherein the irrigation needle comprises an upper needle tube (20) and a lower needle tube (30), and the lower needle tube (30) is mounted at the lower end of the upper needle tube (20).

4. The drip-proof filling needle according to claim 3, wherein the valve body (10) further comprises a second guide portion (105), and a flow channel for filling is provided on the second guide portion (105).

5. The drip-proof irrigation needle as claimed in any one of claims 3 to 4, wherein a first sealing ring (40) is provided at a contact position of the sealing portion (101) and the upper needle tube (20).

6. The drip-proof irrigation needle as claimed in any one of claims 3 to 4, wherein a second sealing ring (50) is provided at the joint of the upper needle tube (20) and the lower needle tube (30).