CN211050425U

CN211050425U - Fluid preparation connector for dialysis

Info

Publication number: CN211050425U
Application number: CN201921680608.8U
Authority: CN
Inventors: 刘万里; 王飞波
Original assignee: TIANJIN TAISHIKANG PHARMACEUTICAL TECHNOLOGY CO LTD
Current assignee: TIANJIN TAISHIKANG PHARMACEUTICAL TECHNOLOGY CO LTD
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-21
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a fluid preparation connector for dialysis, which comprises a first mounting port and a second mounting port which are positioned at two sides of a connector, wherein the first mounting port is communicated with a first receiving port through a first circulation channel, the second mounting port is communicated with a second receiving port through a second circulation channel, the second receiving port is provided with a hose for being inserted into the connecting port on the side wall of a preparation container and extending into the bottom of the preparation container, and the first receiving port is communicated with the connecting port; the connector comprises a fixing ring, and the fixing ring is welded on the edge of the connecting port of the preparation container in a sealing mode. By adopting the technical scheme, the fixing ring and the side wall of the preparation container are subjected to plane-to-plane sealing welding, so that the sealing uncertainty of the original cambered surface welding is avoided, and the yield is improved.

Description

Fluid preparation connector for dialysis

Technical Field

The utility model relates to a fluid preparation connector for dialysis belongs to medical instrument technical field.

Background

In a connector in the prior art, for example, a connector structure disclosed in chinese patent document CN100453131C, a connection and sealing manner between the connector and a container is welding in an arc surface, so that a problem of leakage of a welding point is easily caused during production, transportation and use, and a process of filling an object to be dissolved is complicated due to a small filling opening during production.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to overcome the easy seepage defect of welding point among the prior art, provide a fluid preparation connector for dialysis.

In order to achieve the above object, the present invention provides a connector for preparing fluid for dialysis, comprising a first mounting port and a second mounting port located at two sides of a connector, wherein the first mounting port is communicated with a first receiving port through a first circulation channel, the second mounting port is communicated with a second receiving port through a second circulation channel, the second receiving port is provided with a hose for inserting into a connecting port on a side wall of a preparation container, and the first receiving port is communicated with the connecting port; the connector comprises a fixing ring, and the fixing ring is welded on the edge of the connecting port of the preparation container in a sealing mode.

The connector comprises a central cylinder, the central cylinder is connected to the fixing ring through a hollow cylinder arranged at an included angle with the central cylinder, a first wing part and a second wing part which extend outwards are arranged on the central cylinder, and the first mounting opening and the second mounting opening are respectively arranged on one sides of the first wing part and the second wing part, which are far away from the central cylinder; the first and second flow channels are formed on the first and second wing parts, respectively.

The top of the central cylinder is provided with a cavity, a partition plate is arranged in the cavity to divide the cavity into a first cavity and a second cavity which are mutually independent, the side wall of the central cylinder is provided with a first opening and a second opening, the first circulation channel and the second circulation channel are respectively communicated with the first cavity and the second cavity through the first opening and the second opening, and the first receiving port and the second receiving port are respectively arranged at the bottoms of the first cavity and the second cavity.

The connector is provided with a cover which is used for covering the upper end face of the connector, so that the first cavity, the second cavity, the first mounting port and the second mounting port are sealed.

The welding surface of the fixing ring is provided with a plurality of bulges.

One side of the connector, which is far away from the preparation container, is provided with a plane pressing plate.

And reinforcing ribs are arranged on the plane pressing plate.

The bottom of the preparation container is obliquely arranged.

The first receiving port is provided with a first filtering device.

And a second filtering device is arranged at the lower end of the hose.

By adopting the technical scheme, the dialysis fluid preparation connector has the advantages that the fixing ring and the side wall of the preparation container are subjected to plane-plane sealing welding, the sealing uncertainty of the original cambered surface welding is avoided, and the yield is improved; the welding surface of the fixing ring is provided with a plurality of columnar, punctiform and banded bulges, thereby increasing the contact area and the strength of welding.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the connecting head.

Fig. 3 is another schematic view of the connecting head.

Fig. 4 is an exploded view of the connector.

Fig. 5 is another angle view of fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in the figure, the utility model discloses a fluid preparation connector for dialysis, including connector 1 and preparation container 2, connector 1 is including first installing port 11, the second installing port 12 that is located both sides, first installing port 11 is used for connecting in the access & exit of fluid preparation device respectively with second installing port 12. Connector 1 includes central cylinder 13, central cylinder 13 is connected in solid fixed ring 15 through hollow cylinder 14 rather than being the contained angle setting, in this embodiment, the contained angle is 90, be provided with outside extended first alar part 16 and second alar part 17 on the central cylinder 13, first installing port 11 and second installing port 12 set up respectively in one side of keeping away from central cylinder 13 of first alar part 16 and second alar part 17 to the distance apart from central cylinder 13 equals. The top of the central cylinder 13 is provided with a cavity, a partition 18 is arranged in the cavity to divide the cavity into a first chamber 19 and a second chamber 20 which are independent of each other, and the side wall of the central cylinder 13 is provided with a first opening 21 and a second opening 22. The first mounting port 11 is communicated with a first receiving port 24 through a first flow passage 23, the second mounting port 12 is communicated with a second receiving port 26 through a second flow passage 25, and a first filter device 27 is provided in the first receiving port 24. The first and

second flow channels

23 and 25 are formed on the first and

second wing parts

16 and 17, respectively. The first and

second flow passages

23 and 25 are respectively communicated with the first and

second chambers

19 and 20 through the first and

second openings

21 and 22, and the first and

second sockets

24 and 26 are respectively disposed at the bottoms of the first and

second chambers

19 and 20.

The second port 26 is provided with a hose 28 for insertion into a connection port in the side wall of the preparation vessel 2, and a second filter unit 29 is provided at the lower end of the hose 28 and extends into the bottom of the preparation vessel 2. The preparation container 2 is formed by welding the periphery of two planes made of plastic materials, and the bottom of the preparation container 2 is obliquely arranged. The inclined bottom type bag structure can enable dissolved substances to be continuously dissolved, and the dissolved substances are prevented from remaining at the corners of the preparation container 2. Connector 1 includes solid fixed ring 15, gu fixed ring 15 seal weld in the border position of the connector of preparation container 2. The welding surface of the fixing ring 15 is provided with a plurality of columnar, punctiform or banded bulges 151. The fixing ring 15 and the side wall of the preparation container 2 are subjected to plane-to-plane sealing welding, so that the sealing uncertainty of the original cambered surface welding is avoided, and the yield is improved. Several protrusions 151 are provided on the bonding surface of the fixing ring 15 for increasing the contact area and strength of the bonding.

The connector 1 is provided with a cover 30 for covering the upper end face of the connector, so as to weld and seal the first chamber 19, the second chamber 20, the first mounting port 11 and the second mounting port 12.

A plane pressing plate 31 is arranged on one side of the connecting head 1 far away from the preparation container 2 and used for pressing a level sensing button of the fluid preparation device. The flat pressing plate 31 is reinforced by a vertical rib 311, and the position of the rib 311 corresponds to the position of the sensing button of the fluid preparation device.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A fluid preparation connector for dialysis, characterized in that: the device comprises a first mounting port and a second mounting port which are positioned on two sides of a connector, wherein the first mounting port is communicated with a first receiving port through a first circulation channel, the second mounting port is communicated with a second receiving port through a second circulation channel, the second receiving port is provided with a hose which is used for being inserted into a connecting port on the side wall of a preparation container and extending into the bottom of the preparation container, and the first receiving port is communicated with the connecting port; the connector comprises a fixing ring, and the fixing ring is welded on the edge of the connecting port of the preparation container in a sealing mode.

2. A dialysis fluid preparation connector according to claim 1, wherein: the connector comprises a central cylinder, the central cylinder is connected to the fixing ring through a hollow cylinder arranged at an included angle with the central cylinder, a first wing part and a second wing part which extend outwards are arranged on the central cylinder, and the first mounting opening and the second mounting opening are respectively arranged on one sides of the first wing part and the second wing part, which are far away from the central cylinder; the first and second flow channels are formed on the first and second wing parts, respectively.

3. A dialysis fluid preparation connector according to claim 2, wherein: the top of the central cylinder is provided with a cavity, a partition plate is arranged in the cavity to divide the cavity into a first cavity and a second cavity which are mutually independent, the side wall of the central cylinder is provided with a first opening and a second opening, the first circulation channel and the second circulation channel are respectively communicated with the first cavity and the second cavity through the first opening and the second opening, and the first receiving port and the second receiving port are respectively arranged at the bottoms of the first cavity and the second cavity.

4. A dialysis fluid preparation connector according to claim 3, wherein: the connector is provided with a cover which is used for covering the upper end face of the connector, so that the first cavity, the second cavity, the first mounting port and the second mounting port are sealed.

5. A dialysis fluid preparation connector according to any one of claims 1 to 4, wherein: the welding surface of the fixing ring is provided with a plurality of bulges.

6. A dialysis fluid preparation connector according to any one of claims 1 to 4, wherein: one side of the connector, which is far away from the preparation container, is provided with a plane pressing plate.

7. The dialysis fluid preparation connector of claim 6, wherein: and reinforcing ribs are arranged on the plane pressing plate.

8. A dialysis fluid preparation connector according to any one of claims 1 to 4, wherein: the bottom of the preparation container is obliquely arranged.

9. A dialysis fluid preparation connector according to any one of claims 1 to 4, wherein: the first receiving port is provided with a first filtering device.

10. A dialysis fluid preparation connector according to any one of claims 1 to 4, wherein: and a second filtering device is arranged at the lower end of the hose.