CN217661111U - Medical connector - Google Patents
Medical connector Download PDFInfo
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- CN217661111U CN217661111U CN202220356325.3U CN202220356325U CN217661111U CN 217661111 U CN217661111 U CN 217661111U CN 202220356325 U CN202220356325 U CN 202220356325U CN 217661111 U CN217661111 U CN 217661111U
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Abstract
The utility model provides a medical connector, which belongs to the technical field of medical connectors and comprises a first connecting piece, a second connecting piece, a locking piece and a jacking spring, wherein the locking piece is inserted into one side of the upper end of the second connecting piece, and the jacking spring is arranged between the second connecting piece and the locking piece; the first connecting piece is inserted into the second connecting piece, when the connecting device is installed, the first connecting piece penetrates through the through groove in the locking piece and is inserted into the second connecting piece, and the locking piece is used for firmly locking the first connecting piece in the second connecting piece under the jacking action of the jacking spring, so that the first connecting piece and the second connecting piece are connected and fixed; after the first connecting piece and the second connecting piece are assembled, the first sealing piece abuts against the second sealing piece, under the mutual action of force, the first sealing piece and the second sealing piece respectively compress the first spring and the second spring, and the liquid inlet shell and the liquid outlet shell are in a communicated state, so that liquid can be conveyed.
Description
Technical Field
The utility model belongs to the technical field of medical connector, especially, relate to a medical connector.
Background
The medical connector is suitable for dry connection of two separate fluid paths while maintaining the sterile integrity of the two paths. The connector consists of a female end and a male end; is generally used for aseptic transmission of liquid medicine in biological pharmacy, or aseptic sampling of hospital samples, and the like.
The traditional medical connector is always in a passage state, if the liquid conveying pipeline is switched, the liquid needs to be stopped from flowing, the pipeline can not be switched on line, and the use is very inconvenient.
Therefore, it is necessary to develop a medical connector.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a medical connector to solve the traditional medical connector that provides in the background art and be in the access state always, if when switching over liquid conveying pipeline, need stop liquid to flow, can't realize the online switching pipeline, use very inconvenient problem. A medical connector comprises a first connecting piece, a second connecting piece, a locking piece and a jacking spring, wherein the locking piece is inserted into one side of the upper end of the second connecting piece, and the jacking spring is arranged between the second connecting piece and the locking piece; the first connecting piece is inserted in the second connecting piece.
As a further technical scheme of the utility model, the first connecting piece comprises a liquid inlet head which is arranged at the top of the liquid inlet shell in a matching way; a first spring is arranged in the liquid inlet shell, and a first sealing element is arranged below the first spring; the upper end of the first spring is propped against the bottom of the liquid inlet head.
As a further technical scheme of the utility model, a cylindrical convex head is arranged at the bottom of the first sealing element, and a sealing ring is arranged at the contact position of the inner side of the convex head and the liquid inlet shell; and a sealing ring is sleeved on the outer side of the bottom of the liquid inlet shell.
As a further technical scheme of the utility model, the second connecting piece comprises a liquid outlet shell, and a liquid outlet head is arranged at the bottom of the liquid outlet shell in a matching way; the liquid outlet shell is internally provided with a second spring, the bottom of the second spring is arranged above the liquid outlet head, and the top of the second spring is provided with a second sealing element.
As a further technical scheme of the utility model, second sealing member and first sealing member adopt the same structure to constitute to be the symmetrical formula setting.
As a further technical scheme of the utility model, one side of play liquid shell upper end set up the logical groove of being convenient for the lock piece to peg graft, and from last to running through the logical groove of being convenient for feed liquor shell joint down on the lock piece.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. in the utility model, during installation, the first connecting piece is firstly passed through the through groove on the locking piece and inserted into the second connecting piece, and the locking piece firmly locks the first connecting piece in the second connecting piece under the jacking action of the jacking spring, so that the first connecting piece and the second connecting piece are fixedly connected;
2. in the utility model, after the first connecting piece and the second connecting piece are assembled, the first sealing piece and the second sealing piece are abutted, under the mutual action of force, the first sealing piece and the second sealing piece respectively compress the first spring and the second spring, and the liquid inlet shell and the liquid outlet shell are in a connected state, so that the liquid can be conveyed;
3. the utility model discloses in, when needs switch over liquid conveying line, press the lock piece and extract first connecting piece in the twinkling of an eye from the second connecting piece, first sealing member and second sealing member are closed with feed liquor shell and play liquid shell respectively under the effect of first spring and second spring, thereby realized cutting off of liquid way, when switching conveying line, need not to cut off the change that the liquid way can be realized to the flow of liquid from the source, can realize the online switching work, very big improvement pipeline switching efficiency, and it is convenient to use.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic plan view of the present invention;
fig. 4 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3 according to the present invention.
In the figure:
1-first connecting piece, 2-second connecting piece, 3-locking piece, 31-tightening spring, 11-liquid inlet head, 12-liquid inlet shell, 13-first spring, 14-first sealing piece, 21-liquid outlet shell, 22-liquid outlet head, 23-second spring and 24-second sealing piece.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1-4
The utility model provides a medical connector, which comprises a first connecting piece 1, a second connecting piece 2, a locking piece 3 and a jacking spring 31, wherein the locking piece 3 is inserted into one side of the upper end of the second connecting piece 2, and the jacking spring 31 is arranged between the second connecting piece 2 and the locking piece 3; the first connecting piece 1 is inserted in the second connecting piece 2.
Through adopting above-mentioned technical scheme, when the installation, at first pass logical groove and plug in the second connecting piece 2 on the locking piece 3 with first connecting piece 1, locking piece 3 has realized first connecting piece 1 and second connecting piece 2's being connected fixedly in second connecting piece 2 with the locking of first connecting piece 1 firmly under the top of top spring 31 moves.
In this embodiment, the first connecting member 1 includes a liquid inlet 11, and the liquid inlet 11 is installed on the top of a liquid inlet housing 12 in a matching manner; a first spring 13 is arranged in the liquid inlet shell 12, and a first sealing element 14 is arranged below the first spring 13; the upper end of the first spring 13 is propped against the bottom of the liquid inlet head 11; a cylindrical convex head is arranged at the bottom of the first sealing element 14, and a sealing ring is arranged at the contact position of the inner side of the convex head and the liquid inlet shell 12; and a sealing ring is sleeved on the outer side of the bottom of the liquid inlet shell 12.
In this embodiment, the second connecting member 2 includes a liquid outlet casing 21, and a liquid outlet head 22 is installed at the bottom of the liquid outlet casing 21 in a matching manner; a second spring 23 is arranged in the liquid outlet shell 21, the bottom of the second spring 23 is arranged above the liquid outlet head 22, and a second sealing element 24 is arranged at the top of the second spring 23; the second sealing element 24 is the same as the first sealing element 14 in structure and is arranged symmetrically.
By adopting the technical scheme, after the first connecting piece 1 and the second connecting piece 2 are assembled, the first sealing piece 14 is abutted against the second sealing piece 24, under the interaction of force, the first sealing piece 14 and the second sealing piece 24 respectively compress the first spring 13 and the second spring 23, and at the moment, the liquid inlet shell 12 and the liquid outlet shell 21 are in a connected state, so that the liquid conveying can be realized.
In this embodiment, a through groove convenient for the insertion of the locking member 3 is formed in one side of the upper end of the liquid outlet casing 21, and a through groove convenient for the clamping of the liquid inlet casing 12 is formed in the locking member 3 in a penetrating manner from top to bottom.
By adopting the technical scheme, when the liquid conveying pipeline needs to be switched, the first connecting piece 1 is instantly pulled out from the second connecting piece 2 by pressing the locking piece 3, the first sealing piece 14 and the second sealing piece 24 are respectively closed with the liquid inlet shell 12 and the liquid outlet shell 21 under the action of the first spring 13 and the second spring 23, so that the liquid path is cut off, the change of the liquid path can be realized without cutting off the flow of liquid from the source when the conveying pipeline is switched, the online switching work can be realized, the pipeline switching efficiency is greatly improved, and the use is convenient.
Principle of operation
In the installation process of the utility model, the first connecting piece 1 firstly passes through the through groove on the locking piece 3 and is inserted into the second connecting piece 2, the locking piece 3 firmly locks the first connecting piece 1 in the second connecting piece 2 under the jacking action of the jacking spring 31, and the first connecting piece 1 and the second connecting piece 2 are fixedly connected;
after the first connecting piece 1 and the second connecting piece 2 are assembled, the first sealing piece 14 abuts against the second sealing piece 24, under the mutual action of force, the first sealing piece 14 and the second sealing piece 24 compress the first spring 13 and the second spring 23 respectively, and at the moment, the liquid inlet outer shell 12 and the liquid outlet outer shell 21 are in a communicated state, so that liquid can be conveyed;
when liquid conveying pipeline needs to be switched, the first connecting piece 1 is pulled out from the second connecting piece 2 instantly by pressing down the locking piece 3, the first sealing piece 14 and the second sealing piece 24 are respectively closed with the liquid inlet shell 12 and the liquid outlet shell 21 under the action of the first spring 13 and the second spring 23, so that the liquid path is cut off, when the conveying pipeline is switched, the change of the liquid path can be realized without cutting off the flow of liquid from the source, the online switching work can be realized, the pipeline switching efficiency is greatly improved, and the use is convenient.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (6)
1. A medical connector, characterized by: the locking device comprises a first connecting piece (1), a second connecting piece (2), a locking piece (3) and a jacking spring (31), wherein the locking piece (3) is inserted into one side of the upper end of the second connecting piece (2), and the jacking spring (31) is arranged between the second connecting piece (2) and the locking piece (3); the first connecting piece (1) is inserted in the second connecting piece (2).
2. The medical connector of claim 1, wherein: the first connecting piece (1) comprises a liquid inlet head (11), and the liquid inlet head (11) is installed at the top of a liquid inlet shell (12) in a matching mode; a first spring (13) is arranged in the liquid inlet shell (12), and a first sealing element (14) is arranged below the first spring (13); the upper end of the first spring (13) is propped against the bottom of the liquid inlet head (11).
3. The medical connector of claim 2, wherein: a cylindrical protruding head is arranged at the bottom of the first sealing element (14), and a sealing ring is arranged at the contact position of the inner side of the protruding head and the liquid inlet shell (12); and a sealing ring is sleeved on the outer side of the bottom of the liquid inlet shell (12).
4. The medical connector of claim 3, wherein: the second connecting piece (2) comprises a liquid outlet shell (21), and a liquid outlet head (22) is arranged at the bottom of the liquid outlet shell (21) in a matching way; a second spring (23) is arranged in the liquid outlet shell (21), the bottom of the second spring (23) is arranged above the liquid outlet head (22), and a second sealing element (24) is arranged at the top of the second spring (23).
5. The medical connector of claim 4, wherein: the second sealing element (24) and the first sealing element (14) are formed by adopting the same structure and are arranged symmetrically.
6. The medical connector of claim 4, wherein: one side of the upper end of the liquid outlet shell (21) is provided with a through groove convenient for the insertion of the locking piece (3), and the locking piece (3) penetrates through the through groove from top to bottom and is provided with a through groove convenient for the clamping connection of the liquid inlet shell (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220356325.3U CN217661111U (en) | 2022-02-22 | 2022-02-22 | Medical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220356325.3U CN217661111U (en) | 2022-02-22 | 2022-02-22 | Medical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217661111U true CN217661111U (en) | 2022-10-28 |
Family
ID=83728806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220356325.3U Active CN217661111U (en) | 2022-02-22 | 2022-02-22 | Medical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217661111U (en) |
-
2022
- 2022-02-22 CN CN202220356325.3U patent/CN217661111U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |