CN112717270B - Repeatedly used drip-proof sealing joint - Google Patents
Repeatedly used drip-proof sealing joint Download PDFInfo
- Publication number
- CN112717270B CN112717270B CN202011625641.8A CN202011625641A CN112717270B CN 112717270 B CN112717270 B CN 112717270B CN 202011625641 A CN202011625641 A CN 202011625641A CN 112717270 B CN112717270 B CN 112717270B
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- Prior art keywords
- joint
- hole
- chamber
- column
- mounting cavity
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 title claims description 52
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000003814 drug Substances 0.000 claims abstract description 20
- 230000013011 mating Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 abstract 1
- 238000001802 infusion Methods 0.000 description 16
- 238000005192 partition Methods 0.000 description 13
- 230000000149 penetrating effect Effects 0.000 description 10
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M2039/1033—Swivel nut connectors, e.g. threaded connectors, bayonet-connectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M2039/1072—Tube connectors; Tube couplings with a septum present in the connector
Abstract
The application discloses repetitiveness uses drip proof liquid tight joint, including public joint, direct, female joint and drip proof gasket, public joint has upper mounting chamber, lower mounting chamber and division wall, the division wall has upper surface, lower surface and runs through from top to bottom upper and lower surface's connection chamber, the connection chamber is connected upper mounting chamber with lower mounting chamber, the connection chamber is in the terminal surface forms the valve port down, direct has the first through hole that runs through from top to bottom, direct fixed packing in lower mounting chamber, female joint with public joint detachable connection, female joint has the second through hole that runs through from top to bottom, female joint's lower part be with the application of force post that the elastic disc corresponds, drip proof gasket sets up direct upper portion, drip proof gasket has the elastic disc. When the male connector and the female connector are separated, the elastic piece seals the valve port, so that liquid medicine can not leak when the pipeline is replaced, and the connector can be used repeatedly.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a closed joint capable of being connected with an infusion tube.
Background
The existing airtight joint can be used for connecting a transfusion tube, when a second pipeline is replaced, as residual pressure is still remained after the pipeline is subjected to one-time injection, the phenomenon of outflow of liquid medicine occurs when the pipeline is disassembled, waste and cross infection risks are caused, the outflow liquid medicine is contrast agent, and when air is encountered, the liquid medicine can volatilize and crystallize in a short time, so that the airtight joint is damaged. Therefore, it is necessary to provide a sealed joint that can be used repeatedly.
Disclosure of Invention
The present invention provides a new reusable sealed joint.
The invention provides a repeatedly-used drip-proof liquid-tight joint which comprises a male joint, a straight-through joint, a female joint and a drip-proof gasket, wherein the male joint is provided with an upper mounting cavity, a lower mounting cavity and a partition wall for separating the upper mounting cavity from the lower mounting cavity; in the disassembled state, the female connector is separated from the upper mounting cavity, and the elastic piece is deformed to block the valve port, so that the second through hole is disconnected from the lower mounting cavity. The first through hole and the second through hole of the female joint can be connected with the infusion tube. In the assembled state, the elastic piece deforms to open the valve port, i.e., a gap is formed between the elastic piece and the lower surface of the partition wall, through which the liquid medicine can flow into the second through hole.
The second through hole penetrates through the force application column up and down, the force application column is provided with a notch groove, the notch groove is communicated with the second through hole, the force application column is matched with the connecting cavity, in the assembled state, the force application column extends into the connecting cavity downwards, and the lower mounting cavity is communicated with the second through hole through the notch groove. The force application column can be a cylindrical body penetrating up and down and can be provided with a plurality of notch grooves. The notch grooves can be uniformly distributed.
The sealing joint also comprises a sealing gasket, wherein the sealing gasket is fixed in the upper mounting cavity and clings to the upper surface of the partition wall, and the sealing gasket is sleeved on the force application column. The sealing gasket has elasticity.
The sealing joint also comprises a fixing ring, wherein the fixing ring is fixed in the upper mounting cavity, and the sealing gasket is fixed in the upper mounting cavity by the fixing ring.
The force application column is provided with a sealing end face, and the sealing end face is tightly pressed against the sealing gasket.
The female joint further comprises a matching cylinder positioned at the upper part and a threaded column positioned at the middle part, the second through hole sequentially penetrates through the matching cylinder, the threaded column and the force application column from top to bottom, and the threaded column is in threaded connection with the upper mounting cavity. The threaded column can be provided with external threads, and the upper mounting cavity can be correspondingly provided with internal threads.
The threaded post and the upper mounting cavity are both provided with double threads.
The direct connection comprises a direct connection body and a base body, the first through hole penetrates through the direct connection body up and down, the base body comprises a base and a central column, the central column is supported above the direct connection body through the base, a gap for passing through liquid medicine is formed between the central column and the direct connection body, and the first through hole is communicated with the lower mounting cavity through the gap.
The anti-drip gasket further comprises a base column, the base column is provided with a groove, and the center column is matched with the groove.
The outer diameter of the force application column is larger than the outer diameter of the base column and smaller than the outer diameter of the elastic sheet.
The beneficial effects of the invention are as follows: when the male connector and the female connector are separated, the elastic piece seals the valve port, so that liquid medicine can not leak when the pipeline is replaced, repeated use of the connector can be realized, and the burden of a patient is reduced.
Drawings
Fig. 1 is an exploded perspective view of a drip seal joint for repeated use in the present embodiment;
fig. 2 is a schematic cross-sectional view of the female connector of the present embodiment;
fig. 3 is a schematic cross-sectional view of the male connector of the present embodiment (with a sealing gasket and retainer ring secured thereto);
fig. 4 is a schematic perspective view of the through-connection of the present embodiment;
FIG. 5 is a schematic cross-sectional view of the present embodiment with the male and female connectors in a disassembled state;
FIG. 6 is a schematic cross-sectional view of the present embodiment with the male and female connectors in an assembled state;
FIG. 7 is an enlarged partial schematic view of the portion indicated by P in FIG. 6;
FIG. 8 is a schematic view showing the flow direction of the liquid medicine when the male connector and the female connector are in a disassembled state;
fig. 9 is a schematic view showing the flow direction of the chemical solution when the male connector and the female connector are in an assembled state.
Detailed Description
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
As shown in fig. 1 to 9, a reusable drip-proof airtight joint includes a male joint 1, a through 2, a female joint 3, and a drip-proof gasket 4. The male connector 1 has an upper mounting chamber 11, a lower mounting chamber 12, and a partition wall 13 that separates the upper and lower mounting chambers 11, 12, the partition wall 13 having an upper surface 14 as a bottom surface of the upper mounting chamber 11 and a lower surface 15 as a bottom surface of the lower mounting chamber 12, a connection chamber 16 being formed by penetrating the upper surface 14 and the lower surface 15 up and down, the upper mounting chamber 11 being communicated with the lower mounting chamber 12 through the connection chamber 16, the connection chamber 16 forming a valve port 17 at the lower surface 15. The through-hole 2 is fixed to the lower attachment chamber 12 of the male connector, and has a first through-hole 21 penetrating vertically along the axial direction thereof, and the lower infusion tube 7 can be fixed to the first through-hole 21. The female connector 3 is fitted into the upper mounting cavity 11 of the male connector and detachably connected to the male connector 1, and has a second through hole 31 penetrating vertically along its axis, and an upper portion of the second through hole 31 is capable of being connected to the upper infusion tube 8. The drip-proof gasket 4 has an elastic piece 41, and the elastic piece 41 is capable of deforming when an external force is applied, and recovering the deformation after the external force is removed. The female connector 3 has a lower portion provided with a biasing post 32 corresponding to the elastic piece 41.
The female connector 3 is detachably connected with the male connector 1, i.e. the female connector 3 has an assembled state and a disassembled state with the male connector 1. In the assembled state, the female connector 31 is installed in the upper mounting cavity 1 of the male connector, the force application column 32 of the female connector 3 presses the elastic sheet 41, so that the elastic sheet 41 deforms, the valve port 17 is opened, the second through hole 31 is communicated with the lower mounting cavity 12, and the liquid medicine in the lower infusion tube 7 can pass through the first through hole 21, the lower mounting cavity 12 and the second through hole 31 and finally flow into the upper infusion tube 8 connected with the female connector 3. In the detached state, the male connector 1 is separated from the female connector 3, and the elastic piece 41 is restored to deform to block the valve port 17, so that the second through hole 31 and the lower mounting cavity 12 are disconnected.
In the present embodiment, the elastic piece 41 normally closes the valve port 17 of the male connector, and after the male connector 1 and the female connector 3 are in place by butt joint, the force application post 32 pushes the elastic piece 41 downward, so that the elastic piece 41 deforms to open the valve port 17, and the second through hole 31 communicates with the lower mounting chamber 12. The upper mounting cavity 11 and the lower mounting cavity 12 of the male connector 1 are respectively connected with the female connector 3 and the straight through 2, and the female connector 3 and the straight through 2 are respectively connected with the upper infusion tube 8 and the lower infusion tube 7. When the male connector 1 and the female connector 3 are separated, the external force applied to the elastic piece 41 is removed to restore the deformation, so that the valve port 17 is blocked, and the second through hole 31 and the lower mounting cavity 12 are disconnected.
In the present embodiment, after the straight-through 2 and the female connector 3 are aligned with the male connector 1, the first through hole 21, the lower mounting cavity 12 and the second through hole 31 are sequentially communicated to form a liquid medicine channel, the liquid medicine channel has the valve port 17, and the anti-drip gasket 4 controls the on-off of the liquid medicine channel by controlling the valve port 17.
As shown in fig. 1 to 9, a repeatable drip-proof joint comprises a through 2, a male joint 1, a female joint 3 and a drip-proof gasket 4. The through-passage 2 has a first through-hole 21 penetrating up and down along its axis, and the first through-hole 21 can be connected to the lower infusion tube 7. The male connector 1 has a through-hole 10 penetrating up and down along its axis, the through-hole 10 having an upper mounting cavity 11 and a lower mounting cavity 12, the upper mounting cavity 11 being connectable to the female connector 3, the lower mounting cavity 12 being connectable to the through-hole 2. The upper mounting chamber 11 and the lower mounting chamber 12 are partitioned by a partition wall 13, the partition wall 13 has an upper surface 14 and a lower surface 15, a connection chamber 16 is formed to penetrate the upper surface 14 and the lower surface 15 up and down, the connection chamber 16 forms a valve port 17 at the lower surface 15, the connection chamber 16 connects the upper mounting chamber 11 and the lower mounting chamber 12, and the upper mounting chamber 11, the connection chamber 16 and the lower mounting chamber 12 constitute the penetrating chamber 10. The female connector 3 has a second through hole 31 penetrating vertically along the axis thereof, the second through hole 31 being connectable to the upper infusion tube 8, and the lower portion of the female connector 3 has a biasing post 32 corresponding to the drip-preventing gasket 4. The drip-proof gasket 4 is fixed to the through 2 and has an elastic piece 41, which elastic piece 41 is capable of deforming when subjected to an external force and recovering the deformation when the external force is removed. The elastic piece 41 is provided corresponding to the valve port 17 of the male connector, and the elastic piece 41 is a piece-shaped body with elasticity, and the outer diameter of the piece-shaped body is larger than the caliber of the valve port 17.
The anti-drip gasket 4 is fixed on the top of the straight through 2, and the straight through 2 is upwards arranged in the lower mounting cavity 12 of the male connector and fixedly connected with the male connector 1. The female connector 3 fits down into the upper mounting cavity 11 of the male connector and forms a releasable connection with the male connector 1. The male connector 1 and the female connector 3 have an assembled state and a disassembled state. In the assembled state, the male connector 1 and the female connector 3 are in butt joint, the female connector 3 is installed in the upper installation cavity 11 of the male connector, the force application column 32 of the female connector 3 extends downwards into the connection cavity 16 of the male connector and abuts against the elastic sheet 41 of the drip-proof gasket 4, and the elastic sheet 41 is deformed under the action of the force application column 32, so that the valve port 17 is opened, and the second through hole 31 is communicated with the lower installation cavity 12. In the detached state, the male connector 1 and the female connector 3 are separated, the force application column 32 is separated from the elastic sheet 41, the external force applied to the elastic sheet 41 is removed to restore the deformation, the elastic sheet 41 is made to cling to the lower surface 15 of the partition wall again to block the valve port 17, and the second through hole 31 and the lower mounting cavity 12 are disconnected. When in infusion, the male connector 1 and the female connector 3 are in an assembled state, and the medical fluid can flow through the lower infusion tube 7 connected with the through-connection 2, through the lower mounting cavity 12 and the second through hole 31, and into the upper infusion tube 8 connected with the female connector 3. When the female connector 3 and the male connector 1 are in a disassembled state, the anti-drip gasket 4 is reset by self elasticity, so that the effect of sealing the valve port 17 is realized, and the liquid medicine is prevented from leaking out of the lower mounting cavity 12 of the male connector.
The through 2 may include a through body 22 and a seat 23, where the through body 22 has an upper end surface 24 and a lower end surface, and the first through hole 21 penetrates the upper end surface 24 and the lower end surface up and down. The base 23 is fixed on the upper end surface 24 of the through body, and has a base 25 and a central column 26, the central column 26 is suspended above the upper end surface 24 by the base 25, that is, a gap 27 exists between the central column 26 and the upper end surface 24, the gap 27 is communicated with the first through hole 21, so that the liquid medicine in the lower infusion tube 7 can flow into the lower mounting cavity 12 of the male connector through the gap 27. The drip gasket 4 further comprises a base post 42 integrally provided with the resilient piece 41, which base post 42 extends downwards from the central position of the resilient piece 41 and has a recess 43, which recess 43 mates with the through-going central post 26. When installed, the groove 43 cooperates with the center post 26 to secure the drip resistant gasket 4 to the top of the center post 26.
The female connector 3 has a hollow force application column 32 at the lower part, a hollow screw column 33 at the middle part, and a hollow fitting tube 34 capable of being connected to the upper infusion tube 8 at the upper part, and the second through hole 31 penetrates the fitting tube 34, the screw column 33 and the force application column 32 from top to bottom in order. The inner diameter of the mating cylinder 34 matches the diameter of the upper transfer tube 8. The threaded post 33 has external threads. The force application post 32 is a cylindrical body having a plurality of cutout grooves 35 penetrating the second through hole 31, and the cutout grooves 35 may be elongated, and the number of the cutout grooves 35 may be plural. The wall of the upper mounting cavity 11 of the male connector is provided with an internal thread which is a double thread, and the female connector 3 is detachably mounted in the upper mounting cavity 11 of the male connector by the cooperation of the internal thread and the external thread.
The sealing joint further comprises a sealing gasket 5, which sealing gasket 5 is an annular plate-like body which is fixed in the upper mounting cavity 11 of the male joint and can abut against the upper surface 14 of the partition wall 13. The sealing gasket 5 is fixed in the upper mounting cavity 11 through the fixing ring 6. The retainer ring 6 is a vertically penetrating cylindrical body having a lower fitting hole 61 with a smaller inner diameter and an upper fitting hole 62 with a larger inner diameter, the lower fitting hole 61 being shaped and sized to match the gasket seal 5, and a stepped surface 63 being formed at the junction of the lower fitting hole 61 and the upper fitting hole 62. The retainer ring 6 is adhesively secured within the upper mounting cavity 11 of the male connector with its lower end surface abutting against the upper surface 14 of the partition wall, and the gasket seal 5 is received within the lower mating hole 61 and is compressed against the upper surface 14 of the partition wall by the stepped surface 63. The inner diameter of the sealing gasket 5 is matched with the outer diameter of the force application column 32, and the force application column 32 can pass through the sealing gasket 5 downwards and then press against the elastic sheet 41. The female connector 3 and the male connector 1 shown in fig. 6, 7 and 9 are not docked in place. When the male connector 1 and the female connector 3 are aligned in place and in an assembled state, the lower part of the female connector 3 is provided with a sealing end surface 36, and the sealing end surface 36 presses the sealing gasket 5 to play a sealing role. The sealing gasket 5 is sleeved on the force application column 32 at the lower part of the female joint 3, the force application column 31 is provided with the sealing end face 36, and the sealing end face 36 is pressed against the sealing gasket 5, so that the sealing gasket 5 is in sealing fit with the female joint 3 in the axial direction and the radial direction of the female joint 3.
In the present embodiment, the drip-preventing gasket 4 has an elastic piece 41, and the elastic piece 41 is a piece-shaped body having elasticity, which may be circular, or other regular or irregular shape, and may be in planar contact with the upper surface 14 of the partition wall. The elastic piece 41 can open the valve port 17 and close the valve port 17, thereby realizing on-off control of the liquid medicine passage. When the elastic piece 41 opens the valve port 17, the elastic piece 41 deforms to form a gap 18 with the upper surface 14 through which the liquid medicine passes, and the lower mounting chamber 12 communicates with the second through hole 31 through the gap 18 and the notch groove 35. When the male connector 1 and the female connector 3 are separated, the elastic piece 41 closes the valve port 17, so that leakage of liquid medicine can be effectively avoided. The female connector 3 has a force applying post 32, the force applying post 32 can press against the elastic sheet 41 to deform the elastic sheet 41 to open the valve port 17, the force applying post 32 extends into the connecting cavity 16 of the male connector, and the outer diameter of the force applying post 32 can be matched with the inner diameter of the connecting cavity 16. The upper mounting cavity 11 of the male connector is internally fixed with a sealing gasket 5, the sealing gasket 5 can be in plane fit with the upper surface 14 of the partition wall 13, the sealing gasket 5 has elasticity, the sealing gasket can cover the force application column 32, and when the injection liquid medicine generates pressure less than or equal to a design value, the sealing gasket 5 can play a sealing role. The sealing gasket 5 may be circular or other regular or irregular shape. The upper infusion tube 8 may be secured to the second through hole 31 of the female connector by means of adhesive. The lower transfer tube 7 may be fixed to the through first through hole 21 by means of adhesion.
When the male connector and the female connector are in an assembled state, certain pressure exists when the liquid medicine passes through the sealed connector, and at the moment, the sealing gasket can play a role in sealing. The fixed ring and the male connector are adhered to form a whole, and the fixed ring can fix the sealing gasket to prevent the sliding dislocation of the sealing gasket.
The foregoing is a further detailed description of the invention in connection with specific embodiments, and it is not intended that the invention be limited to such description. It will be apparent to those skilled in the art that several simple deductions or substitutions can be made without departing from the spirit of the invention.
Claims (7)
1. The utility model provides a repeatedly used drip proof joint, its characterized in that includes public joint, direct connection, female joint, sealing washer and drip proof gasket, drip proof gasket has the elastic sheet, public joint has upper mounting chamber, lower mounting chamber and separates the division wall of upper and lower mounting chamber, the division wall has upper surface, lower surface and runs through the connection chamber of upper and lower surface from top to bottom, the connection chamber connects upper mounting chamber and lower mounting chamber, the connection chamber forms the valve port in the lower surface, direct connection has the first through-hole that runs through from top to bottom, direct connection fixedly installs into lower mounting chamber, female joint and public joint detachable connection, female joint has the second through-hole that runs through from top to bottom, the lower part of female joint is the application of force post that corresponds with the elastic sheet, the application of force post has sealed terminal surface, sealing washer is fixed in upper mounting chamber and is hugged closely the upper surface of division wall, sealing washer cover the valve port is connected to the upper mounting chamber and lower mounting chamber, the direct connection has the first through-hole that runs through from top to bottom, the first through-hole that the direct connection is equipped with the elastic sheet, the female joint is in the radial direction, the first through-hole that the elastic sheet is equipped with the female joint, the elastic sheet is equipped with the sealing washer, the first through-hole that makes the sealing washer and the female joint is in the radial direction of the sealing washer, the sealing washer is pressed down, and the first through-down through-hole is equipped with the sealing washer, and the sealing washer is installed in the state, and the sealing washer is pressed down; in the disassembly state, the female connector is separated from the upper mounting cavity, and the elastic piece is restored to deform to block the valve port, so that the second through hole is disconnected from the lower mounting cavity; the second through hole penetrates through the force application column up and down, the force application column is provided with a notch groove, the notch groove is communicated with the second through hole, the force application column is matched with the connecting cavity, in the assembled state, the force application column extends into the connecting cavity downwards, and the lower mounting cavity is communicated with the second through hole through the notch groove.
2. The containment joint of claim 1 further comprising a retainer ring secured within said upper mounting cavity, said gasket being secured within said upper mounting cavity by said retainer ring.
3. The sealing joint according to claim 1, wherein the female joint further comprises a mating cylinder at the upper part and a threaded column at the middle part, the second through hole penetrates through the mating cylinder, the threaded column and the force application column from top to bottom in sequence, and the threaded column is in threaded connection with the upper mounting cavity.
4. A containment joint according to claim 3, wherein the threaded post and the upper mounting cavity each have a double thread.
5. The sealed joint according to claim 1, wherein the through comprises a through body and a seat body, the first through hole penetrates the through body up and down, the seat body comprises a base and a center column, the center column is supported above the through body through the base, a gap for passing liquid medicine is formed between the center column and the through body, and the first through hole is communicated with the lower mounting cavity through the gap.
6. The containment joint of claim 5 wherein the drip resistant gasket further comprises a base post having a groove, the center post mating with the groove.
7. The containment joint of claim 6 wherein the outer diameter of the apply post is greater than the outer diameter of the base post and less than the outer diameter of the resilient tab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011625641.8A CN112717270B (en) | 2020-12-31 | 2020-12-31 | Repeatedly used drip-proof sealing joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011625641.8A CN112717270B (en) | 2020-12-31 | 2020-12-31 | Repeatedly used drip-proof sealing joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112717270A CN112717270A (en) | 2021-04-30 |
| CN112717270B true CN112717270B (en) | 2024-03-29 |
Family
ID=75609848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011625641.8A Active CN112717270B (en) | 2020-12-31 | 2020-12-31 | Repeatedly used drip-proof sealing joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112717270B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855561B (en) * | 2021-10-12 | 2023-11-07 | 深圳市迈威生物科技有限公司 | Self-sealing puncture outfit with low starting force |
| CN113829778A (en) * | 2021-11-11 | 2021-12-24 | 南京鸿庆文具有限公司 | Plug-in quick-release type anti-reflux self-locking shifting piece refill |
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| CN209790609U (en) * | 2018-12-29 | 2019-12-17 | 广东百合医疗科技股份有限公司 | Large-flow needle-free zero-pressure infusion joint |
| CN110997056A (en) * | 2017-10-11 | 2020-04-10 | 心脏器械股份有限公司 | Dry disconnect/bubble-free coupling for blood transfer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| NZ524996A (en) * | 2003-03-27 | 2005-09-30 | Itw New Zealand Ltd | Valve assembly |
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| CN112717270A (en) | 2021-04-30 |
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