CN217612028U

CN217612028U - Medicinal thermoplastic elastomer gasket

Info

Publication number: CN217612028U
Application number: CN202220784541.8U
Authority: CN
Inventors: 宋文广
Original assignee: Yantai Yongsheng Sealing Technology Co ltd
Current assignee: Yantai Yongsheng Sealing Technology Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-10-21
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses an elastomer gasket is moulded to medicinal heat, including outer gasket and interior gasket, be equipped with two slots on the outer gasket, be equipped with the recess on the outer gasket, two the slot is located on the diapire in the recess, be equipped with the undermining groove that corresponds with the slot on the interior gasket, be equipped with the ring channel on the interior gasket, be equipped with the sealing ring in the ring channel, be equipped with two movable grooves on the outer gasket, the sealing ring is connected with movable groove through linking up the mechanism, be equipped with two grooves of bleeding on the outer gasket, be equipped with the pipeline that communicates with the groove of bleeding in the interior gasket. The utility model discloses a set up outer gasket, recess, slot inner pad and draw the dead slot, the recess design makes outer gasket and syringe needle area of contact reduce, draws the dead slot design to make inner pad and syringe needle area of contact reduce, and the two cooperation can effectively avoid the syringe needle can't rotate for outer gasket and inner pad, thereby can effectively avoid the transfer line to take place to fold and influence the infusion.

Description

Medicinal thermoplastic elastomer gasket

Technical Field

The utility model relates to a synthetic polyisoprene gasket technical field especially relates to a medicinal thermoplastic elastomer gasket.

Background

The synthetic polyisoprene gasket is mainly used for sealing plastic bottles (bags) filled with infusion medicines, and is a market main body packaging material along with the gradual replacement of glass bottles by soft bags in the medicine market, and the polyisoprene gasket is also a leading product in the rubber plug industry along with the replacement of butyl rubber plugs.

Gasket among the prior art is in the in-service use, and the syringe needle that inserts wherein may be under patient's health moving state, because the syringe needle of interlude gasket is great with its area of contact, so its resistance that receives is great, and the syringe needle can't follow patient and take place to rotate for plastic bottle (bag) together, so can the transfer line rotate to take place to fold at this rotation in-process and lead to the infusion to go wrong, so need come to make the improvement to it to this problem, has proposed a medicinal thermoplastic elastomer gasket here.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a medicinal thermoplastic elastomer gasket.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an elastomer gasket is moulded to medicinal heat, includes outer gasket and interior gasket, be equipped with two slots on the outer gasket, be equipped with the recess on the outer gasket, two the slot is located the recess on the diapire, be equipped with the undermining groove that corresponds with the slot on the interior gasket, be equipped with the ring channel on the interior gasket, be equipped with the sealing ring in the ring channel, be equipped with two movable grooves on the outer gasket, the sealing ring is connected with the movable groove through linking mechanism, be equipped with two grooves of bleeding on the outer gasket, be equipped with the pipeline that communicates with the groove of bleeding in the interior gasket, be equipped with the exhaust tube in the pipeline.

Preferably, the linking mechanism comprises a connecting rod fixedly connected with the upper end face of the sealing ring, and the bottom wall of the outer gasket is provided with a movable groove matched with the connecting rod.

Preferably, the outer wall of the sealing ring is in sealing sliding connection with the inner wall of the annular groove, and the outer wall of the connecting rod is in sealing sliding connection with the inner wall of the movable groove.

Preferably, the sealing ring is provided with an air exhaust hole, and the connecting rod is internally provided with an air exhaust channel communicated with the air exhaust hole.

Preferably, the outer wall of the exhaust pipe is in sliding connection with the inner wall of the exhaust passage in a sealing manner, and a one-way valve is arranged in the exhaust pipe.

Preferably, the inner gasket diapire is sunken to be set up, the inner gasket outer wall is equipped with the sealing washer.

The utility model has the advantages that:

1. through setting up outer gasket, recess, slot inner pad and undercutting groove, the recess design makes outer gasket and syringe needle area of contact reduce, and undercutting groove design makes inner pad and syringe needle area of contact reduce, and the two cooperation can effectively avoid the syringe needle can't rotate for outer gasket and inner pad, thereby can effectively avoid the transfer line to take place to fold and influence the infusion.

2. Through setting up outer gasket, sealing ring, connecting rod, exhaust tube and elastic mechanism, accomplish under the state of closely laminating at outer gasket and inner gasket, the operation can be taken out with the help of the outer gasket under the state of spilling to the inner gasket that is in plastic bottle (bag), and this scheme design has effectively improved the efficiency of taking out of inner gasket and has taken the convenience out.

Drawings

Fig. 1 is a schematic structural view of a medical thermoplastic elastomer gasket according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

In the figure: the sealing device comprises an outer gasket 1, an inner gasket 2, a groove 3, a slot 4, a hollowed groove 5, a sealing ring 6, an annular groove 7, a sealing ring 8, a connecting rod 9, a movable groove 10, an air exhaust hole 11, an air exhaust pipe 12, an air exhaust groove 13 and a one-way valve 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a medicinal thermoplastic elastomer gasket, including outer gasket 1 and inner gasket 2, be equipped with two slots 4 on the outer gasket 1, be equipped with recess 3 on the outer gasket 1, two slots 4 are located on recess 3 inner bottom wall, be equipped with the undercut groove 5 that corresponds with slot 4 on the inner gasket 2, be equipped with ring channel 7 on the inner gasket 2, be equipped with sealing ring 8 in the ring channel 7, be equipped with two movable grooves 10 on the outer gasket 1, sealing ring 8 is connected with movable groove 10 through linking mechanism, linking mechanism includes connecting rod 9 with 8 up end fixed connection of sealing ring, outer gasket 1 diapire is equipped with the movable groove 10 with connecting rod 9 complex, when inner gasket 2 drove connecting rod 9 and outer gasket 1 closely laminate, outer gasket 1 takes place to deform with inner gasket 2 contact place, movable groove 10 has provided deep space for connecting rod 9 this moment.

Be equipped with two air exhaust grooves 13 on the outer gasket 1, be equipped with in the inner gasket 2 with the pipeline of air exhaust groove 13 intercommunication, be equipped with exhaust tube 12 in the pipeline, outside air-extracting equipment collocation air exhaust groove 13 realizes the operation of bleeding to exhaust tube 12.

The outer wall of the sealing ring 8 is in sealing sliding connection with the inner wall of the annular groove 7, the outer wall of the connecting rod 9 is in sealing sliding connection with the inner wall of the movable groove 10, and the sealing sliding connection mode can prevent the two parts from being easily separated under the condition that internal gas is pumped out.

Be equipped with aspirating hole 11 on the sealing ring 8, be equipped with the bleed passage with aspirating hole 11 intercommunication in the connecting rod 9, outside air exhaust equipment cooperation aspirating hole 11 and bleed passage realize gaseous taking out.

The outer wall of the exhaust tube 12 is connected with the inner wall of the exhaust passage in a sealing and sliding manner, a one-way valve 14 is arranged in the exhaust tube 12, and the one-way valve 14 can prevent external air from entering the exhaust passage and the annular groove 7 through the exhaust tube 12 after the air is exhausted.

The sunken setting of 2 diapire of inner gasket has further reduced the area of contact of syringe needle with

inner gasket

2, and 2 outer walls of inner gasket are equipped with sealing washer 6, and sealing washer 6 provides good leakproofness for between inner gasket 2 and the plastic bottle (bag).

The utility model discloses during the use, interior gasket 2 is in plastic bottle (bag), at first need realize that outer gasket 1 closely laminates the installation with interior gasket 2, and concrete step is: firstly, the outer gasket 1 is attached to the inner gasket 2, at the moment, the exhaust tube 12 is hermetically and slidably inserted into an exhaust channel of the connecting rod 9, part of the connecting rod 9 is hermetically and slidably inserted into the movable groove 10, then, external exhaust equipment is utilized to match with the exhaust groove 13, the exhaust tube 12 and the one-way valve 14 to exhaust gas below the sealing ring 8 in the annular groove 7 and the gas in the exhaust channel, the gas is reduced to form negative pressure, the exhaust tube 12 is positioned in the exhaust channel and is difficult to separate from the connecting rod 9, meanwhile, the outer gasket 1 and the inner gasket 2 are closely attached to each other, then, an external needle is inserted from the slot 4 and finally extends out from the bottom of the inner gasket 2 through the hollow groove 5 to enter the plastic bottle (bag), and when the needle rotates, the contact area of the needle with the outer gasket 1 and the inner gasket 2 is small, so that the needle can rotate relative to the outer gasket 1 and the inner gasket 2 when the needle is driven, and the infusion tube can be effectively prevented from being folded to influence on infusion;

in the state that the outer gasket 1 and the inner gasket 2 are tightly attached to each other, the inner gasket 2 in the plastic bottle (bag) can be extracted by the outer gasket 1 in the leakage state, and the method effectively improves the extraction efficiency and the extraction convenience of the inner gasket 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a medicinal thermoplastic elastomer gasket, includes outer gasket (1) and inner gasket (2), its characterized in that, be equipped with two slots (4) on outer gasket (1), be equipped with recess (3) on outer gasket (1), two slot (4) are located on recess (3) interior diapire, be equipped with on inner gasket (2) and draw empty groove (5) that correspond with slot (4), be equipped with ring channel (7) on inner gasket (2), be equipped with sealing ring (8) in ring channel (7), be equipped with two movable grooves (10) on outer gasket (1), sealing ring (8) are connected with movable groove (10) through linking up the mechanism, be equipped with two air exhaust groove (13) on outer gasket (1), be equipped with the pipeline with air exhaust groove (13) intercommunication in inner gasket (2), be equipped with exhaust tube (12) in the pipeline.

2. The gasket of claim 1, wherein the engagement mechanism comprises a connecting rod (9) fixedly connected with the upper end face of the sealing ring (8), and the bottom wall of the outer gasket (1) is provided with a movable groove (10) matched with the connecting rod (9).

3. The gasket according to claim 2, wherein the outer wall of the sealing ring (8) is in sealing sliding connection with the inner wall of the annular groove (7), and the outer wall of the connecting rod (9) is in sealing sliding connection with the inner wall of the movable groove (10).

4. A medical thermoplastic elastomer gasket according to claim 3, characterized in that the sealing ring (8) is provided with a suction hole (11), and the connecting rod (9) is provided with a suction passage communicated with the suction hole (11).

5. A medical thermoplastic elastomer gasket according to claim 4, characterized in that the outer wall of the suction pipe (12) is in sealed sliding connection with the inner wall of the suction passage, and a check valve (14) is arranged in the suction pipe (12).

6. A medicinal thermoplastic elastomer gasket as claimed in claim 5, characterized in that the bottom wall of the inner gasket (2) is concavely arranged, and the outer wall of the inner gasket (2) is provided with a sealing ring (6).