CN202277514U - Dual-valve cover - Google Patents

Abstract

The utility model discloses a dual-valve cover. A dual-valve cover body is provided with a chemical mixing channel and a chemical conveying channel, the chemical mixing channel extends out of the dual-valve cover body to form a chemical mixing interface, an annular lug boss is protruded on the outer wall of the chemical mixing interface, an outer thread is arranged on the annular lug boss, a clamping ring is arranged on the outer wall of a port of the chemical mixing interface, a diaphragm is arranged in the chemical mixing interface, and the outer diameter of the clamping ring is not more that of the annular lug boss. By using the dual-valve cover, the dual-valve cover is welded on a port of the chemical conveying container, the bottom of a needle cylinder body is sleeved on the chemical mixing interface, the clamping ring is positioned on a location ring, so that the needle cylinder body is fixed with the chemical mixing interface; and during mixing chemicals, a chemical container is inserted in a chemical mixing nozzle and downwards rotates, so that the bottom of a chemical needle punctures the diaphragm, the chemical container is communicated with the inside of the chemical conveying container, and soft tube connection and easily-bending handle are not needed during the use, thus soft tube installation stations are reduced, liquid leakage of a welding beam due to the welding defect of a soft tube is avoided; meanwhile, the dual-valve cover is once molded, and has a wider application range.

Description

The bivalve lid

Technical field

This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of bivalve lid that is connected with infusion vessel.

Background technology

In clinical treating disease, perhaps directly medicine is injected in the body often for patient infusion through intravenous drip, medicine often is stored in the infusion vessel, and the interior medicinal liquid of infusion vessel injects or output is usually covered realization through bivalve.

In the prior art, the bivalve lid comprises that bivalve lid, the top of bivalve lid are provided with one and mix a medicine passage and an infusion channel, and the bottom of bivalve lid is the connectivity port.Mix the medicine passage and extend the mixed medicine interface that the bivalve lid forms the cylindrical hollow structure, infusion channel is extended the transfusion interface that the bivalve lid forms the cylindrical hollow structure.

The in use main deficiency as follows that exists of the bivalve lid of said structure: one, when being connected with medicine mixing mouth, need through hose connection, an end of flexible pipe is enclosed within and mixes on the medicine interface; And with this mixed medicine interface seam; The other end of flexible pipe is enclosed within on the needle cylindrical unit on the medicine mixing mouth, and with this needle cylindrical unit seam, so both increased the installation station of flexible pipe; Increase the welding position again, increased probability because of welding position leakage when mixing medicine; Two, the bivalve lid is connected with medicine mixing mouth through flexible pipe, because of the restriction of material that flexible pipe adopts, in temperature lower (like zubzero temperature), is prone to cause the welding position cracking of flexible pipe, and then causes mixing the medicine leakage; Three, the bivalve of said structure lid when being connected with medicine mixing mouth through flexible pipe, also need be installed foldable handle in the flexible pipe.

The utility model content

To the above-mentioned deficiency that exists in the prior art, this utility model provides a kind of in use need not to adopt foldable handle and flexible pipe, avoids mixing the medicine leakage because of welding produces, and reduce station is installed, and one-time formed bivalve lid.

In order to solve the problems of the technologies described above; This utility model has adopted following technical scheme: the bivalve lid; Comprise the bivalve lid, the top of said bivalve lid is provided with one and mixes a medicine passage and an infusion channel, and said mixed medicine passage extends the mixed medicine interface that the bivalve lid forms the cylindrical hollow structure; An along the circumferential direction outside protruding annular boss is provided with external screw thread on the outer wall of said mixed medicine interface on this annular boss, and the port outer wall that mixes the medicine interface is provided with the snap ring of a loop configuration, is provided with one in the mixed medicine interface and is used to seal the barrier film that mixes the medicine passage; The external diameter of said snap ring is not more than the external diameter of annular boss.

As a kind of preferred version of this utility model, said annular boss is located on the middle part excircle of said mixed medicine interface.

As the another kind of preferred version of this utility model, said barrier film is provided with an impression on its line of symmetry.

As a kind of improvement project of this utility model, be with on the said annular boss and intercept cover.

The beneficial effect of this utility model is: when using this bivalve lid; With the seam of bivalve lid on the interface of infusion vessel; The bottom of the needle cylindrical unit of medicine mixing mouth is enclosed within mixes on the medicine interface, the snap ring that mixes on the medicine interface is positioned on the locating ring of needle cylindrical unit, needle cylindrical unit is fixed on mixes on the medicine interface; When mixing medicine, medicament reservoir is inserted medicine mixing mouth and is rotated down, make the bottom of dosing pin expose the barrier film that mixes in the medicine interface, the medicament reservoir in the medicine mixing mouth is communicated with infusion vessel is interior; This bivalve lid in use need not to adopt hose connection and foldable handle, has both reduced flexible pipe station is installed, and has avoided the weld seam leakage that brought because of the flexible pipe weld defect again, this bivalve lid one-shot forming simultaneously, and the scope of application is wider.

Description of drawings

Fig. 1 is the sketch map of bivalve lid;

Fig. 2 is for mixing the structural representation of medicine interface;

Fig. 3 is the structural representation of medicine mixing mouth;

Fig. 4 is installed in the structural representation on the soft bottle for the bivalve lid;

Fig. 5 is installed in the structural representation that mixes medicine on the soft bottle for the bivalve lid.

In the accompanying drawing: 1-bivalve lid; 2-mixed medicine passage; 21-mixed medicine interface; 3-infusion channel; 4-annular boss; 5-snap ring; 6-barrier film; 7-impression; 8-medicine mixing mouth; 9-needle cylindrical unit; 10-dosing pin; 11-infusion vessel; 12-medicament reservoir; 13-locating ring; 14-ring sealing plug.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment this utility model is done to describe in further detail.

Fig. 1 is the front view of bivalve lid, and Fig. 2 is for mixing the structural representation of medicine interface, and is as shown in the figure.The bivalve lid comprises thatbivalve lid 1, the top ofbivalve lid 1 are provided with one and mix a medicine passage 2 and aninfusion channel 3, and the bottom ofbivalve lid 1 is the connectivity port.Mix medicine passage 2 and extend themixed medicine interface 21 thatbivalve lid 1 forms the cylindrical hollow structure,infusion channel 3 extends outward the transfusion interface thatbivalve lid 1 forms the cylindrical hollow structure.An along the circumferential direction outside protruding annular boss 4 on the outer wall ofmixed medicine interface 21 is provided with external screw thread (in the present embodiment, annular boss 4 is located on the middle part excircle that mixes medicine interface 21) on this annular boss 4.The port outer wall that mixesmedicine interface 21 is provided with thesnap ring 5 of a loop configuration, is provided with one in themixed medicine interface 21 and is used to seal the barrier film 6 that mixes medicine passage 2.The external diameter ofsnap ring 5 is not more than the external diameter of annular boss 4.

Barrier film 6 is provided with an impression 7 on its line of symmetry; When using the bivalve lid to mix medicine; The needle cylindrical unit 9 of medicine mixing mouth 8 is enclosed within on themixed medicine interface 21 and is rotated down (structure of medicine mixing mouth is as shown in Figure 3); Stab at this barrier film 6 bottom of dosing pin 10, and the impression position on the barrier film 6 is at first poked, thereby makes the bottom of dosing pin 10 expose this barrier film 6 more easily.

Be with on the annular boss 4 and intercept cover; Needle cylindrical unit 9 at medicine mixing mouth 8 is enclosed within on themixed medicine interface 21; Snapring 5 on themixed medicine interface 21 is positioned at the top of the locating ring 13 of needle cylindrical unit 9; To have stoped needle cylindrical unit 9 onmixed medicine interface 21, to continue descending because of intercepting cover, and needle cylindrical unit 9 is fixed on themixed medicine interface 21 at this moment; When mixing medicine, only need to intercept cover and tear from annular boss 4, be rotated down needle cylindrical unit 9, barrier film 6 is exposed in the bottom of dosing pin 10, just can realize mixing medicine.

When using this bivalve lid, on the interface of infusion vessel 11, in this enforcement, 1 seam of bivalve lid is on the bottleneck of soft transfusion bottle, and is as shown in Figure 4 with the connectivity port seam ofbivalve lid 1 bottom.The bottom of the needle cylindrical unit 9 of medicine mixing mouth 8 is enclosed within mixes on themedicine interface 21, thesnap ring 5 that mixes on themedicine interface 21 is positioned on the locating ring 13 of needle cylindrical unit 9, needle cylindrical unit 9 is fixed on mixes on themedicine interface 21; When mixing medicine; Medicament reservoir 12 is inserted medicine mixing mouths 8 and is rotated down, make the port compression ring sealing plug 14 of mixingmedicine interface 21, the barrier film 6 that mixes in themedicine interface 21 is exposed in the bottom of dosing pin 10; Medicament reservoir 12 in the medicine mixing mouth 8 just with in the soft transfusion bottle is communicated with, and is as shown in Figure 5.This bivalve lid in use need not to adopt hose connection and foldable handle, has both reduced flexible pipe station is installed, and has avoided the weld seam leakage that brought because of the flexible pipe weld defect again, this bivalve lid one-shot forming simultaneously, and the scope of application is wider.

Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation this utility model; Although with reference to preferred embodiment this utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of this utility model; And not breaking away from the aim and the scope of this utility model technical scheme, it all should be encompassed in the middle of the claim scope of this utility model.

Claims (4)

1. the bivalve lid comprises bivalve lid (1), and the top of said bivalve lid (1) is provided with one and mixes a medicine passage (2) and an infusion channel (3), and said mixed medicine passage (2) extends the mixed medicine interface (21) that bivalve lid (1) forms the cylindrical hollow structure; It is characterized in that: an along the circumferential direction outside protruding annular boss (4) on the outer wall of said mixed medicine interface (21); On this annular boss (4), be provided with external screw thread; The port outer wall that mixes medicine interface (21) is provided with the snap ring (5) of a loop configuration, is provided with one in the mixed medicine interface (21) and is used to seal the barrier film (6) that mixes medicine passage (2); The external diameter of said snap ring (5) is not more than the external diameter of annular boss (4).

2. bivalve lid according to claim 1, it is characterized in that: said annular boss (4) is located on the middle part excircle of said mixed medicine interface (21).

3. bivalve lid according to claim 1, it is characterized in that: said barrier film (6) is provided with an impression (7) on its line of symmetry.

4. according to claim 1,2 or 3 described bivalve lids, it is characterized in that: be with on the said annular boss (4) and intercept cover.

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