CN210096561U

CN210096561U - High-sealing disposable dispensing injector

Info

Publication number: CN210096561U
Application number: CN201920562525.2U
Authority: CN
Inventors: 黄玉坤
Original assignee: Fujian Province Medical Virtue Manufacturing Co Ltd
Current assignee: Fujian Province Medical Virtue Manufacturing Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-02-21
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a disposable syringe of using of dispensing of high leakproofness, including the injection syringe, the inner chamber sliding connection of injection syringe has the silica gel stopper, one side fixedly connected with push rod of silica gel stopper, the left side intercommunication of injection syringe has the needle tubing, the surperficial threaded connection of needle tubing has the adapter sleeve, one side intercommunication of adapter sleeve has the syringe needle, the surface of needle tubing is equipped with sealed the pad with the junction cover of adapter sleeve, annular supercharging groove has been seted up to one side of silica gel stopper, the shape in annular supercharging groove is the indent, injection syringe and the integrative moulding plastics of needle tubing form, adapter sleeve and the integrative moulding plastics of syringe needle form. The utility model discloses a set up the structural design in silica gel stopper, adapter sleeve, sealed pad and annular pressure boost groove, improved the leakproofness of injection syringe, solved current disposable syringe and had the not enough problem of leakproofness to the use of syringe has been ensured.

Description

High-sealing disposable dispensing injector

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a disposable dispensing injector with high sealing performance.

Background

The injector is used for medical equipment and containers, and scientific instruments in some chromatography are injected through a rubber diaphragm, air embolism can be caused when gas is injected into a blood vessel, air is removed from the injector to avoid embolism by inverting the injector, slightly knocking the injector and then extruding a little liquid before injecting the liquid into blood flow, and at present, the existing disposable injector has the defect of insufficient sealing effect, the sealing performance of the injector is reduced, and the use of the injector is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable syringe of using of dispensing of high leakproofness possesses the advantage that improves the syringe leakproofness, has solved the problem that current disposable syringe has the leakproofness not enough.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a disposable syringe of using of dispensing of high leakproofness, includes the syringe, the inner chamber sliding connection of syringe has the silica gel stopper, one side fixedly connected with push rod of silica gel stopper, the left side intercommunication of syringe has the needle tubing, the surperficial threaded connection of needle tubing has the adapter sleeve, one side intercommunication of adapter sleeve has the syringe needle, the surface of needle tubing is equipped with sealed the pad with the junction cover of adapter sleeve, annular supercharging groove has been seted up to one side of silica gel stopper.

Preferably, the annular pressurizing groove is concave.

Preferably, the injection tube and the needle tube are integrally formed by injection molding, and the connecting sleeve and the needle head are integrally formed by injection molding.

Preferably, the surface of the needle tube is provided with a thread at the joint of the connecting sleeve.

Preferably, the inner cavity of the sealing gasket is provided with a through hole matched with the needle tube for use, and the inner cavity of the sealing gasket is sleeved on the surface of the needle tube.

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

1. the utility model discloses a set up the structural design in silica gel stopper, adapter sleeve, sealed pad and annular pressure boost groove, improved the leakproofness of injection syringe, solved current disposable syringe and had the not enough problem of leakproofness to the use of syringe has been ensured.

2. The utility model has the advantages that the annular pressurizing groove is arranged to be concave, the annular pressurizing groove is opened by utilizing the elasticity of the silica gel, and the contact surface between the silica gel plug and the injection tube is increased, so as to avoid the leakage of the liquid in the injection tube;

the connecting part of the surface of the needle tube and the connecting sleeve is provided with the threads, so that the original sleeving mode is replaced, and the firmness between the needle tube and the needle head is improved;

by arranging the sealing gasket, the sealing performance between the connecting sleeve and the needle tube is improved.

Drawings

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

FIG. 2 is a sectional view of the connecting sleeve structure of the present invention;

fig. 3 is a side view of the silica gel plug of the present invention.

In the figure: 1 injection tube, 2 silica gel plugs, 3 push rods, 4 needle tubes, 5 connecting sleeves, 6 needle heads, 7 sealing gaskets, 8 annular pressurizing grooves and 9 threads.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a disposable high-sealing syringe for dispensing medicine comprises an injection tube 1, a silicone plug 2 is slidably connected to an inner cavity of the injection tube 1, a push rod 3 is fixedly connected to one side of the silicone plug 2, a needle tube 4 is communicated with the left side of the injection tube 1, a thread 9 is arranged at a joint of the surface of the needle tube 4 and a connecting sleeve 5, the thread 9 is arranged at a joint of the surface of the needle tube 4 and the connecting sleeve 5, the original sleeving manner is replaced, the firmness between the needle tube 4 and a needle 6 is improved, the connecting sleeve 5 is connected to the surface of the needle tube 4 in a threaded manner, a needle 6 is communicated with one side of the connecting sleeve 5, the injection tube 1 and the needle tube 4 are integrally formed by injection molding, the connecting sleeve 5 and the needle 6 are integrally formed by injection molding, a sealing gasket 7 is sleeved at a joint of the surface of the needle tube 4 and, the inner chamber cover of sealed 7 of filling up establishes on the surface of needle tubing 4, through setting up sealed 7, has improved the leakproofness between adapter sleeve 5 and the needle tubing 4, and annular supercharging groove 8 has been seted up to one side of silica gel stopper 2, and the shape of annular supercharging groove 8 is interior concavity, and the through-hole that uses with the needle tubing 4 cooperation is seted up to the inner chamber of sealed 7 of filling up, the inner chamber cover of sealed 7 of filling up establishes on the surface of needle tubing 4, through the structural design who sets up silica gel stopper 2, adapter sleeve 5, sealed 7 of filling up and annular supercharging groove 8, has improved the leakproofness of injection syringe 1, has solved current disposable syringe and has had the not enough problem of leakproofness to the use of syringe has been ensured.

During the use, if medical personnel need absorb the injection liquid when, only need to seal 7 covers with sealed the cover and establish the surface at needle tubing 4, make simultaneously through connecting between adapter sleeve 5 and the needle tubing 4 of screw thread 9 and be connected, when improving the fastness, also improved sealed effect, annular pressure boost groove 8 utilizes silica gel self elasticity to open, increases the contact surface between silica gel plug 2 and the injection syringe 1, avoids the seepage of liquid in the injection syringe 1 to the leakproofness of syringe has been improved.

In summary, the following steps: this disposable syringe for dispensing of high leakproofness through the structural design of silica gel stopper 2, adapter sleeve 5, sealed 7 and annular pressurized groove 8, has solved the problem that current disposable syringe has the leakproofness not enough.

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 disposable high-sealing syringe for dispensing comprises a syringe (1), and is characterized in that: the inner chamber sliding connection of injection syringe (1) has silica gel stopper (2), one side fixedly connected with push rod (3) of silica gel stopper (2), the left side intercommunication of injection syringe (1) has needle tubing (4), the surperficial threaded connection of needle tubing (4) has adapter sleeve (5), one side intercommunication of adapter sleeve (5) has syringe needle (6), the surface of needle tubing (4) is equipped with sealed pad (7) with the junction cover of adapter sleeve (5), annular supercharging groove (8) have been seted up to one side of silica gel stopper (2).

2. A highly sealable disposable dispensing syringe according to claim 1, wherein: the annular pressurizing groove (8) is concave.

3. A highly sealable disposable dispensing syringe according to claim 1, wherein: the injection syringe (1) and the needle tube (4) are integrally formed by injection molding, and the connecting sleeve (5) and the needle head (6) are integrally formed by injection molding.

4. A highly sealable disposable dispensing syringe according to claim 1, wherein: and a thread (9) is arranged at the joint of the surface of the needle tube (4) and the connecting sleeve (5).

5. A highly sealable disposable dispensing syringe according to claim 1, wherein: the inner cavity of the sealing gasket (7) is provided with a through hole matched with the needle tube (4) for use, and the inner cavity of the sealing gasket (7) is sleeved on the surface of the needle tube (4).