CN204307139U - Closed positive pressure connector - Google Patents
Closed positive pressure connector Download PDFInfo
- Publication number
- CN204307139U CN204307139U CN201420693685.8U CN201420693685U CN204307139U CN 204307139 U CN204307139 U CN 204307139U CN 201420693685 U CN201420693685 U CN 201420693685U CN 204307139 U CN204307139 U CN 204307139U
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- Prior art keywords
- joint
- feed liquor
- positive pressure
- liquor port
- pressure connector
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
This utility model discloses a kind of closed positive pressure connector, described closed positive pressure connector comprises joint pedestal, core print seat and spool, described joint pedestal has in order to the feed liquor port for infusion apparatus joint grafting, described feed liquor port is provided with elastic packing plug, described elastic packing plug is provided with slit, before described infusion apparatus joint inserts described feed liquor port, described elastic packing plug is in the raw and by described feed liquor port sealing, antibacterial and dust can not enter from described feed liquor port, when described infusion apparatus joint inserts in described feed liquor port, described elastic packing plug is engaged with described infusion apparatus joint, now, antibacterial and dust still can not enter from described feed liquor port, and, described elastic packing plug produces grip to the occlusion of described infusion apparatus joint, thus, in the process transferred to from described feed liquor port at described infusion apparatus joint, described infusion apparatus joint is not easily directly ejected by described spool pushing and withstanding, and cause remaining medicinal liquid spill and waste.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of closed positive pressure connector.
Background technology
Notification number is that the China's Mainland patent of CN202605411U discloses a kind of medical Needleless barotropic joint, as shown in Figure 4 of the patent, infusion apparatus joint 3 supports the upper surface of spool 1.2, described spool 1.2 is pressed down, when described spool 1.2 and back-moving spring 1.5 are positioned at lower limit position, described infusion apparatus joint 3 is communicated with clearance cavity 1.1.7 and can infuses, rear infusion apparatus joint 3 of once having infused will upwards shift out in described medical Needleless barotropic joint, but, in the process, back-moving spring 1.5 will apply larger power upwards by described spool 1.2 to described infusion apparatus joint 3, now, if operator neglects and described infusion apparatus joint 3 of not holding with a firm grip, infusion apparatus joint 3 is easy to directly be ejected by described spool 1.2, and make the residue medicinal liquid in infusion apparatus joint 3 spill and cause waste.In addition, extraneous antibacterial or the dust road junction 1.2.4 that can flow automatically enters into the inner chamber of described medical Needleless barotropic joint and causes liquid medicine contamination.
Utility model content
Main purpose of the present utility model is that infusion apparatus joint easily ejects and causes remaining medicinal liquid to spill and waste by the spool solving positive pressure connector, and feed liquor port easily enters the problem of antibacterial and dust.
For arriving above-mentioned technical purpose, this utility model provides a kind of closed positive pressure connector, described closed positive pressure connector comprises joint pedestal, and the core print seat be located in described joint pedestal and spool, described joint pedestal has in order to the feed liquor port for infusion apparatus joint grafting, it is characterized in that, described feed liquor port is provided with elastic packing plug, described elastic packing plug has just to the first end face of the inner chamber of described joint pedestal, and the second end face of inner chamber back to described joint pedestal, slit is provided with towards the second end face from the first end of described elastic packing plug, described slit has by described elastic packing plug extruding closed with the naturalness making described feed liquor port closed, and with getting into the softened state of the inner chamber penetrated to described joint pedestal for described infusion apparatus joint.
Preferably, described slit is yi word pattern slit or cross slit.
Preferably, described joint pedestal comprises Base body and fluid male joint, described feed liquor port is located at one end of described Base body, described fluid male joint is installed on the other end of described Base body, the inside of described Base body has the first cylinder chamber be connected with described feed liquor port, the installation cavity installed for described fluid male joint, the connected chamber that connects described first cylinder chamber and described installation cavity, and what described fluid male joint had fluid port and was communicated with described fluid port and described installation cavity goes out sap cavity.
Preferably, described fluid male joint has the installation end being inserted in described installation cavity, the outer wall of described installation end is convexly equipped with protuberance, the inwall of described installation cavity is provided with groove, also sealing ring is provided with between the outer wall of described installation end and the inwall of described installation cavity, described fluid male joint and described Base body, realized by the fastening between described groove and described protuberance and described sealing ring fixing and be tightly connected.
Preferably, described closed positive pressure connector also comprises linking springs, described core print seat has second cylinder chamber just right with described first cylinder chamber, the bottom of described second cylinder chamber is convexly equipped with projection, one end and described first cylinder chamber of described spool are slided and are tightly connected, the other end and described second cylinder chamber of described spool are slided and are tightly connected, the end face of one end be connected with described second cylinder chamber of described spool is arranged with resigning hole, the diapire of described resigning hole is arranged with spring fitting chamber, described linking springs one end is fixedly connected with described projection, the other end of described linking springs is connected with the bottom in spring fitting chamber.
Preferably, described first cylinder chamber, described connected chamber and described installation cavity are in expanding setting step by step, and described core print seat to be located in described connected chamber and to be made of one piece with described Base body.
The closed positive pressure connector that this utility model provides, described closed positive pressure connector comprises joint pedestal, and the core print seat be located in described joint pedestal and spool, described joint pedestal has in order to the feed liquor port for infusion apparatus joint grafting, described feed liquor port is provided with elastic packing plug, described elastic packing plug has just to the first end face of the inner chamber of described joint pedestal, and the second end face of inner chamber back to described joint pedestal, slit is provided with towards the second end face from the first end of described elastic packing plug, described slit has by described elastic packing plug extruding closed with the naturalness making described feed liquor port closed, and with getting into the softened state of the inner chamber penetrated to described joint pedestal for described infusion apparatus joint, before described infusion apparatus joint inserts described feed liquor port, described elastic packing plug is in the raw and by described feed liquor port sealing, antibacterial and dust can not enter from described feed liquor port, when described infusion apparatus joint inserts in described feed liquor port, described elastic packing plug is engaged with described infusion apparatus joint, now, antibacterial and dust still can not enter from described feed liquor port, and, described elastic packing plug produces grip to the occlusion of described infusion apparatus joint, thus, in the process transferred to from described feed liquor port at described infusion apparatus joint, described infusion apparatus joint is not easily directly ejected by described spool pushing and withstanding, and cause remaining medicinal liquid spill and waste.
Accompanying drawing explanation
The planar structure schematic diagram of one embodiment of the closed positive pressure connector that Fig. 1 provides for this utility model;
Fig. 2 is the floor map of the elastic packing plug of the closed positive pressure connector shown in Fig. 1;
Fig. 3 is the sectional structure schematic diagram of the closed positive pressure connector shown in Fig. 1;
Fig. 4 is the enlarged diagram of the first half of Fig. 3;
Fig. 5 is the enlarged diagram of the latter half of Fig. 3.
The realization of this utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
The technical solution of the utility model is further illustrated below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explain this utility model, and be not used in restriction this utility model.
This utility model provides a kind of closed positive pressure connector, an embodiment of the closed positive pressure connector that Fig. 1 to Fig. 5 provides for this utility model.Refer to Fig. 1 to Fig. 4, described closed positive pressure connector 100 comprises joint pedestal 1, and the core print seat 2 be located in described joint pedestal 1 and spool 3, described joint pedestal 1 has feed liquor port 10 and fluid port 14 in order to supply infusion apparatus joint grafting, described spool 3 is connected with described core print seat 2 by linking springs 6, described spool 3 moves around between described feed liquor port 10 and described core print seat 2, when described spool 3 moves to described feed liquor port 10 direction, the inner chamber of described joint pedestal 1 and described feed liquor port 10 completely cut off by described spool 3, and the volume of the cavity be communicated with described fluid port 14 of described joint pedestal 1 is reduced, and produce positive pressure, thus prevent infusion apparatus joint when extracting from described inlet 10, there is the phenomenon of blood back, the above-mentioned operation principle about forward joint belongs to industry and compares and know, too much explanation is not done at this.
Described feed liquor port 10 is provided with elastic packing plug 4, described elastic packing plug 4 has just to the first end face 41 of the inner chamber of described joint pedestal 1, and the second end face 42 of inner chamber back to described joint pedestal 1, slit 5 (can be yi word pattern slit or cross slit) has been provided to the second end face 42 from the first end face 41 of described elastic packing plug 4, described slit 5 has and to be extruded by described elastic packing plug 4 and closed with the naturalness (Fig. 2 is naturalness) making described feed liquor port 10 close, and with getting into the softened state of the inner chamber penetrated to described joint pedestal 1 for described infusion apparatus joint.
Before described infusion apparatus joint inserts described feed liquor port 10, described elastic packing plug 4 seals in the raw and by described feed liquor port 10, antibacterial and dust can not enter from described feed liquor port 10, when described infusion apparatus joint inserts in described feed liquor port 10, described elastic packing plug 4 is engaged with described infusion apparatus joint, now, antibacterial and dust still can not enter from described feed liquor port 10, and, described elastic packing plug 4 produces grip to the occlusion of described infusion apparatus joint, thus, in the process transferred to from described feed liquor port 10 at described infusion apparatus joint, described infusion apparatus joint is not easily directly ejected by described spool 3 pushing and withstanding, and cause remaining medicinal liquid spill and waste.
Refer to Fig. 3 to Fig. 5, in the present embodiment, described joint pedestal 1 comprises Base body 1a and fluid male joint 1b, described feed liquor port 10 is located at one end of described Base body 1a, described fluid male joint 1b is installed on the other end of described Base body 1a, the inside of described Base body 1a has the first cylinder chamber 11 be connected with described feed liquor port 10, for the installation cavity 12 that described fluid male joint 1b installs, connect the connected chamber 13 of described first cylinder chamber 11 and described installation cavity 12, described fluid male joint 1b has described fluid port 14, and be communicated with described fluid port 14 and described installation cavity 12 go out sap cavity 15, described Base body 1a and described fluid male joint 1b split arrange and are convenient to molding.
Particularly, described first cylinder chamber 11, described connected chamber 13 and described installation cavity 12 is in expanding setting step by step, and the described core print seat 2 be thus conveniently located in described connected chamber 13 is one-body molded with described Base body 1a.
Further, described fluid male joint 1b has the installation end 16 being inserted in described installation cavity 12, the outer wall of described installation end 16 is convexly equipped with protuberance 161, the inwall of described installation cavity 12 is provided with groove 121, sealing ring 7 is also provided with between the outer wall of described installation end 16 and the inwall of described installation cavity 12, described fluid male joint 1b and described Base body 1a, realized by the fastening between described groove 121 and described protuberance 161 and described sealing ring 7 fixing and be tightly connected, and make, described fluid male joint 1b and described joint pedestal 1 main body realize fixing by simple structure and are tightly connected.
In the present embodiment, described core print seat 2 has second cylinder chamber 21 just right with described first cylinder chamber 11, the bottom of described second cylinder chamber 21 is convexly equipped with projection 22, one end and described first cylinder chamber 11 of described spool 3 are slided and are tightly connected, the other end and described second cylinder chamber 21 of described spool 3 are slided and are tightly connected, the end face of one end be connected with described second cylinder chamber 21 of described spool 3 is arranged with resigning hole 31, the diapire of described resigning hole 31 is arranged with spring fitting chamber 32, described linking springs 6 one end is fixedly connected with described projection 22, the other end of described linking springs 6 is connected with the bottom in spring fitting chamber 32.
These are only preferred embodiment of the present utility model; not thereby its scope of the claims is limited; every utilize this utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a closed positive pressure connector, it is characterized in that, described closed positive pressure connector comprises joint pedestal, and the core print seat be located in described joint pedestal and spool, described joint pedestal has in order to the feed liquor port for infusion apparatus joint grafting, it is characterized in that, described feed liquor port is provided with elastic packing plug, described elastic packing plug has just to the first end face of the inner chamber of described joint pedestal, and the second end face of inner chamber back to described joint pedestal, slit is provided with towards the second end face from the first end of described elastic packing plug, described slit has by described elastic packing plug extruding closed with the naturalness making described feed liquor port closed, and with getting into the softened state of the inner chamber penetrated to described joint pedestal for described infusion apparatus joint.
2. closed positive pressure connector as claimed in claim 1, it is characterized in that, described slit is yi word pattern slit or cross slit.
3. closed positive pressure connector as claimed in claim 1, it is characterized in that, described joint pedestal comprises Base body and fluid male joint, described feed liquor port is located at one end of described Base body, described fluid male joint is installed on the other end of described Base body, the inside of described Base body has the first cylinder chamber be connected with described feed liquor port, for the installation cavity that described fluid male joint is installed, connect the connected chamber of described first cylinder chamber and described installation cavity, described fluid male joint has fluid port, and be communicated with described fluid port and described installation cavity go out sap cavity.
4. closed positive pressure connector as claimed in claim 3, it is characterized in that, described fluid male joint has the installation end being inserted in described installation cavity, the outer wall of described installation end is convexly equipped with protuberance, the inwall of described installation cavity is provided with groove, also be provided with sealing ring between the outer wall of described installation end and the inwall of described installation cavity, described fluid male joint and described Base body, realized by the fastening between described groove and described protuberance and described sealing ring fixing and be tightly connected.
5. closed positive pressure connector as claimed in claim 3, it is characterized in that, described closed positive pressure connector also comprises linking springs, described core print seat has second cylinder chamber just right with described first cylinder chamber, the bottom of described second cylinder chamber is convexly equipped with projection, one end and described first cylinder chamber of described spool are slided and are tightly connected, the other end and described second cylinder chamber of described spool are slided and are tightly connected, the end face of one end be connected with described second cylinder chamber of described spool is arranged with resigning hole, the diapire of described resigning hole is arranged with spring fitting chamber, described linking springs one end is fixedly connected with described projection, the other end of described linking springs is connected with the bottom in spring fitting chamber.
6. closed positive pressure connector as claimed in claim 3, is characterized in that, described first cylinder chamber, described connected chamber and described installation cavity are in expanding setting step by step, and described core print seat to be located in described connected chamber and to be made of one piece with described Base body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693685.8U CN204307139U (en) | 2014-11-18 | 2014-11-18 | Closed positive pressure connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693685.8U CN204307139U (en) | 2014-11-18 | 2014-11-18 | Closed positive pressure connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204307139U true CN204307139U (en) | 2015-05-06 |
Family
ID=53129475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420693685.8U Active CN204307139U (en) | 2014-11-18 | 2014-11-18 | Closed positive pressure connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204307139U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744265A (en) * | 2018-05-24 | 2018-11-06 | 深圳市迈威生物科技有限公司 | Closed positive pressure connector |
| CN109010990A (en) * | 2018-08-28 | 2018-12-18 | 河南曙光汇知康生物科技股份有限公司 | A kind of novel infusion needleless joint |
| CN110448286A (en) * | 2019-09-10 | 2019-11-15 | 深圳安特医疗股份有限公司 | Invasive pressure sensor |
-
2014
- 2014-11-18 CN CN201420693685.8U patent/CN204307139U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744265A (en) * | 2018-05-24 | 2018-11-06 | 深圳市迈威生物科技有限公司 | Closed positive pressure connector |
| CN108744265B (en) * | 2018-05-24 | 2024-01-09 | 深圳市迈威生物科技有限公司 | Closed positive pressure joint |
| CN109010990A (en) * | 2018-08-28 | 2018-12-18 | 河南曙光汇知康生物科技股份有限公司 | A kind of novel infusion needleless joint |
| CN110448286A (en) * | 2019-09-10 | 2019-11-15 | 深圳安特医疗股份有限公司 | Invasive pressure sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 Jinhui Road, Pingshan New District, Shenzhen, Guangdong Province, No. 18 Patentee after: Shenzhen ante medical Limited by Share Ltd Address before: 518052 Jinhui Road, Pingshan New District, Shenzhen, Guangdong Province, No. 18 Patentee before: Shenzhen Ante Gaoke Industrial Co., Ltd. |
|
| CP03 | Change of name, title or address |