CN109114337B - Synchronous sealing filling device - Google Patents

Synchronous sealing filling device Download PDF

Info

Publication number
CN109114337B
CN109114337B CN201811221655.6A CN201811221655A CN109114337B CN 109114337 B CN109114337 B CN 109114337B CN 201811221655 A CN201811221655 A CN 201811221655A CN 109114337 B CN109114337 B CN 109114337B
Authority
CN
China
Prior art keywords
head
female
male
sealing
filling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811221655.6A
Other languages
Chinese (zh)
Other versions
CN109114337A (en
Inventor
贺雨鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811221655.6A priority Critical patent/CN109114337B/en
Publication of CN109114337A publication Critical patent/CN109114337A/en
Application granted granted Critical
Publication of CN109114337B publication Critical patent/CN109114337B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00Joints with fluid cut-off means
    • F16L29/04Joints with fluid cut-off means with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K11/00Filling devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention relates to a synchronous sealing filling device, which comprises a connector part with a movable sealing plug and a movable connector part with a fixed sealing plug, wherein in the connecting process of the two parts, the connectors of the two parts are tightly attached to discharge environmental fluid, the environmental fluid is isolated from the inside of the connector, and then filling ports of the two parts are communicated through synchronous movement of the two sealing plugs, so that sealing filling is realized. The invention has simple and reasonable structural design, good sealing performance and simple filling, can arrange the maintaining connecting device between the connectors according to the operation requirement, seals the whole process of the whole fluid exchange process, does not have the condition that the fluid in the equipment is contacted with the external environment, and is safe and reliable.

Description

Synchronous sealing filling device
Technical Field
The invention relates to a synchronous sealing filling device which can be used for a device for transferring fluid between independent containers or pipelines.
Background
Liquid adding or air filling is a common gas or liquid supplementing mode, and a sealed liquid adding and air filling device is a device commonly used in life and widely used for air filling of air filling stations, inflating of automobile tires, injection of liquid medicine and the like. The main way for realizing the main stream of sealing air-entrapping and liquid-adding devices is valve sealing, and the valve is opened after connection; or directly pricking the needle into the silica gel plug to perform the operation like the injection type liquid medicine of the needle tube in the hospital.
These methods are widely used in the respective fields. But the main purpose is to ensure the leakage of the container and the pipeline in the filling process to cause the waste of raw materials, and the contact of the raw materials in the container with air or the surrounding environment before filling is not avoided. Such as air trapped in the needle cannula in front of the needle, the air in the cavity when the valve is connected will be in contact with the air during the connection process and not a tight seal. Although this structure has been able to satisfy most filling requirements, in many cases, the requirements for air contact are strict and more strict sealing is required, and the above structure or device cannot satisfy the requirements and requires complicated operations to eliminate the influence of residual air during the connection and disconnection processes.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a synchronous sealing and filling device which is used for connecting sealing and filling, can quickly realize sealing connection between a container and a pipeline, avoids the whole process, is simple to operate and is convenient to use.
In order to achieve the purpose, the technical means adopted by the invention is as follows: a synchronous sealing filling device comprises a connector part with a movable sealing plug and a movable connector part with a fixed sealing plug, wherein the two parts are tightly attached through connectors of the two parts in the connection process to discharge environmental fluid, the environmental fluid is isolated from the inside of the connector, and then filling ports of the two parts are communicated through synchronous movement of the two sealing plugs, so that sealing filling is realized.
Furthermore, the synchronous sealed filling device comprises a male head part and a female head part, wherein the male head part comprises a connecting male head, a male head limiting communicating device arranged on the connecting male head, a male head sealing assembly arranged in the male head limiting communicating device, and a male head filling port is formed in the male head limiting communicating device; the female head part comprises a connecting female head, a female head limiting communicating device arranged on the connecting female head, a female head sealing assembly arranged in the female head limiting communicating device, and a female head filling port arranged on the female head limiting communicating device; the male connection head and the female connection head are connected in an inserting mode, and sealed connection of the male connection head part and the female connection head part is achieved.
Further, public first seal assembly is by public first dislocation sealing plug, public first seal ring, public first spring constitutes, female first seal assembly is by female first dislocation sealing plug, female first seal ring, female first spring constitutes, wherein public first dislocation sealing plug and female first dislocation sealing plug are T font structure, public first seal ring and female first seal ring cup joint respectively in the horizontal pole department of corresponding T font structure, public first spring and female first spring cup joint respectively on the montant of corresponding T font structure, and the both ends of public first spring are connected respectively between public first spacing linker and the connection public head, the both ends of female first spring are connected respectively between female first spacing linker and connection female head.
Furthermore, connect female first lower part and set up the groove of leaking out, connect female first and connect public first connection in-process, connect female and connect between the public head air from the groove of leaking out and discharge.
Furthermore, the female connecting head comprises a lower cavity body, an upper cavity body with the size smaller than that of the lower cavity body is arranged on the upper end surface of the lower cavity body, and a filling through hole is arranged in the upper end surface of the lower cavity body and is used for communicating the lower cavity body with the upper cavity body; one end of a cross rod of a T-shaped structure of the dislocation sealing plug is positioned in the lower cavity, and a vertical rod passes through the filling through hole to enter the upper cavity; the upper cavity body of the connecting female head is sleeved in the limiting communicating vessel, is connected with the limiting communicating vessel in a sealing way and can slide up and down in the limiting communicating vessel.
Furthermore, the lower cavity body of the connecting female head is sleeved with the connecting male head, and the connecting male head and the connecting female head form a sealing connection.
Furthermore, after the male head and the female head of the male head part and the female head part are connected, the inner surface of a cavity body at the lower part of the female head is hermetically connected with the outer surface of the upper end part of the male head, the filling ports in the two connectors are overlapped, the tops of the staggered sealing plugs in the two connectors are contacted, the sealing gasket is positioned between the staggered sealing plug and the filling port, and the staggered sealing plug is tightly pressed against the sealing gasket under the action of the spring; at the moment, the connecting male connector is continuously pushed into the connecting female connector, so that the two connectors and the two staggered sealing plugs synchronously move in a staggered manner, the female connector slides along the limiting communicating device, the staggered sealing plugs of the female connector protrude, the staggered sealing plugs of the male connector are pushed into the limiting communicating device, at the moment, the two filling ports are opened, the peripheries of the filling ports are hermetically connected, and fluid is filled through the two filling ports under the action of pressure difference; when the filling is finished, the male connector in the pushing female connector is loosened, the female connector and the staggered sealing plug are reset under the action of the spring, and the male connector is slowly withdrawn.
Further, a maintaining connection device is arranged between the male part and the female part.
Furthermore, the maintaining and connecting device is a hook and a hanging ring, or a buckle and a clamping groove. Because the female head tends to flick the male head under the action of the spring, the male head can be maintained by adopting the buckle if the liquid changing time is longer.
The invention has the beneficial technical effects that: the structure design is simple and reasonable, the leakproofness is good, the filling is simple, can set up between the connector according to the operation needs and maintain connecting device, and whole process that the whole fluid exchanged is sealed, and can not have the condition that fluid and external environment contact in the equipment, safe and reliable.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic diagram of the connection of the present invention.
In the figure: 1. the male part 11, the connecting male part 12, the male limiting communicating vessel 13, the male filling port 14, the male staggered sealing plug 15, the male sealing washer 16, the male spring 2, the female part 21, the connecting female part 22, the female limiting communicating vessel 23, the female filling port 24, the female staggered sealing washer 25, the female sealing washer 26, the female spring 27 and the air relief groove.
Detailed Description
Example 1
A synchronous sealing filling device comprises a connector part with a movable sealing plug and a movable connector part with a fixed sealing plug, wherein the two parts are tightly attached through connectors of the two parts in the connection process to discharge environmental fluid, the environmental fluid is isolated from the inside of the connector, and then filling ports of the two parts are communicated through synchronous movement of the two sealing plugs, so that sealing filling is realized.
Example 2
As shown in fig. 1, 2 and 3, as a specific implementation structure of embodiment 1, the synchronous sealed filling device includes a male part 1 and a female part 2, where the male part 1 includes a connection male 11, a male limit connector 12 installed on the connection male 11, a male sealing assembly installed in the male limit connector 12, and a male filling opening 13 opened on the male limit connector 12; the female head part 2 comprises a connecting female head 21, a female head limiting communicating vessel 22 arranged on the connecting female head 21, a female head sealing assembly arranged in the female head limiting communicating vessel 22, and a female head filling port 23 arranged on the female head limiting communicating vessel 22; the male connecting head 11 and the female connecting head 12 are spliced to realize the sealed connection of the male part 1 and the female part 2.
Public first seal assembly is by public first dislocation sealing plug 14, public first seal ring 15, public first spring 16 constitutes, female first seal assembly is by female first dislocation sealing plug 24, female first seal ring 25, female first spring 26 constitutes, wherein public first dislocation sealing plug 14 and female first dislocation sealing plug 24 are T font structure, public first seal ring 15 and female first seal ring 25 cup joint the horizontal pole department at corresponding T font structure respectively, public first spring 16 and female first spring 26 cup joint respectively on the montant of corresponding T font structure, and public first spring 16's both ends are connected respectively between public first spacing linker 12 and connection public first 11, female first spring 26's both ends are connected respectively between female first spacing linker 22 and connection female head 21.
Connect female 21 lower part and set up the groove 27 that bleeds, connect female 21 and connect public first 11 connection in-process, connect female 21 and connect between the public head 11 air from the groove 27 that bleeds and discharge.
The female connecting head 21 comprises a lower cavity body, an upper cavity body with the size smaller than that of the lower cavity body is arranged on the upper end surface of the lower cavity body, and a filling through hole is arranged in the upper end surface of the lower cavity body and is used for communicating the lower cavity body with the upper cavity body; one end of a cross rod of the T-shaped structure of the female-head dislocation sealing plug 24 is positioned in the lower cavity, and a vertical rod passes through the filling through hole to enter the upper cavity; the upper cavity body of the connecting female head 21 is sleeved in the female head limiting communicating vessel 22, is connected with the female head limiting communicating vessel 22 in a sealing way, and can slide up and down in the female head limiting communicating vessel 22.
The sealing mode of the female limiting communicating vessel and the connecting head has various modes, such as: a sealing ring is arranged between the female head limiting communicating device and the connecting female head, and the connecting part is externally connected with a corrugated pipe to isolate the connecting part from the outside, so long as the sliding seal between the two parts can be met.
The lower cavity body of the female connection head 21 is sleeved with the male connection head 11, and the male connection head 11 is connected with the female connection head 21 in a sealing manner.
The connection of the female head and the male head can be effected, for example, by arranging a sealing ring under the inner end face of the female head, or by arranging a sealing ring under the end of the male head.
After the male head 11 and the female head 21 of the male head part 1 and the female head part 2 are connected, the inner surface of a cavity body at the lower part of the female head 21 is hermetically connected with the outer surface of the upper end part of the male head 11, filling ports in the two connectors are overlapped, the tops of staggered sealing plugs in the two connectors are contacted, a sealing gasket is positioned between the staggered sealing plugs and the filling ports, and the staggered sealing plugs are tightly propped against the sealing gasket under the action of a spring; at the moment, the connecting male connector is continuously pushed into the connecting female connector, so that the two connectors and the two staggered sealing plugs synchronously move in a staggered manner, the female connector slides along the limiting communicating device, the staggered sealing plugs of the female connector protrude, the staggered sealing plugs of the male connector are pushed into the limiting communicating device, at the moment, the two filling ports are opened, the peripheries of the filling ports are hermetically connected, and fluid is filled through the two filling ports under the action of pressure difference; when the filling is finished, the male connector in the pushing female connector is loosened, the female connector and the staggered sealing plug are reset under the action of the spring, and the male connector is slowly withdrawn.
The design lies in that the connectors of the connectors and the sealing plugs move in a staggered mode, so that the communication and the closing of the filling ports between the two connectors are realized, the sealing between the two connectors is realized through the synchronous motion between the connectors of the two connectors and between the sealing plugs, and the two connectors are isolated from the external environment in the connecting and filling processes. Therefore, as long as the dislocation movement and the synchronous movement in the parts can be ensured, the shape of the connector and the shape of the sealing plug can be changed, and the 'male' and the 'female' can be interchanged, so long as the close contact and the sealing property between the parts can be ensured. As long as the relative motion of the connector and the sealing plug can be realized, the sealing plug or the connector can be selected according to design requirements to be fixedly connected with the container equipment, but the connector and the sealing plug of the same connector cannot be fixed at the same time, so that the connector and the sealing plug do not have relative motion, and the requirements of communication and closing are met.
Example 3
A connection maintaining device is arranged between the male part 1 and the female part 2.
The maintaining and connecting device is a hook and a hanging ring or a buckle and a clamping groove. Because the female head tends to flick the male head under the action of the spring, the male head can be maintained by adopting the buckle if the liquid changing time is longer.
Wherein the male part and the female part are both made into cylinders, and the structure is more beneficial to processing and sealing design.
The maintenance connecting device is arranged, so that other auxiliary facilities are not needed in the filling process.
Example 4
For example, when the ink is added to a flexible ink pen, one of the connectors, such as the connecting male connector, of the invention can be arranged on the upper part of the ink storage structure of the ink pen to be communicated with the ink storage structure in the ink pen, the connecting female connector is connected with an ink container bottle, and when the ink in the ink pen is used up, the ink is added through the ink pen with the ink adding device.
For another example: selection of exchange fluid
The invention is used as a sealed liquid-exchanging and air-exchanging device, and can be connected with different types of containers to exchange different types of fluids according to requirements. Therefore, the device can be applied to the exchange of fluid among various containers and pipelines. Different materials can be replaced according to the characteristics of different fluids, and the materials of the connector structure, the connector sealing mode and the sealing material can be changed according to different sealing grades, such as sealing liquid is added for sealing.
For another example: power selection for fluid exchange
The invention mainly innovates a sealing connection mode and a connection mechanism between different fluid container devices, the exchange between the fluids after the connection is mainly realized by the pressure difference between the devices, and the generation modes of the pressure difference between the devices are various, such as the pressure compressor, the height change of a pipeline, the volume change of a container and the like.
The device is suitable for flow exchange among various fluids and various devices.
The invention has simple and reasonable structural design, good sealing performance and simple filling, can arrange the maintaining connecting device between the connectors according to the operation requirement, seals the whole process of the whole fluid exchange process, does not have the condition that the fluid in the equipment is contacted with the external environment, and is safe and reliable.
The embodiments of the present application are only used for illustrating the technical features disclosed in the present application, and the changes made by the simple substitution by those skilled in the art still belong to the protection scope of the present application.

Claims (5)

1. The utility model provides a synchronous formula seals filling device which characterized in that: the connector comprises a connector part with a movable sealing plug and a movable connector part with a fixed sealing plug, wherein in the connection process of the two parts, the connectors of the two parts are tightly attached to discharge environmental fluid, the environmental fluid is isolated from the inside of the connector, and then the filling ports of the two parts are communicated through the synchronous movement of the two sealing plugs to realize sealed filling; the male head part comprises a connecting male head, a male head limiting communicating device arranged on the connecting male head, a male head sealing assembly arranged in the male head limiting communicating device, and a male head filling port arranged on the male head limiting communicating device; the female head part comprises a connecting female head, a female head limiting communicating device arranged on the connecting female head, a female head sealing assembly arranged in the female head limiting communicating device, and a female head filling port arranged on the female head limiting communicating device; the male connecting head and the female connecting head are spliced to realize the sealed connection of the male connecting head part and the female connecting head part; the male head sealing assembly consists of a male head staggered sealing plug, a male head sealing washer and a male head spring, the female head sealing assembly consists of a female head staggered sealing plug, a female head sealing washer and a female head spring, wherein the male head staggered sealing plug and the female head staggered sealing plug are both in T-shaped structures, the male head sealing washer and the female head sealing washer are respectively sleeved at the cross bars of the corresponding T-shaped structures, the male head spring and the female head spring are respectively sleeved on the vertical bars of the corresponding T-shaped structures, two ends of the male head spring are respectively connected between the male head limiting communicating device and the connecting male head, and two ends of the female head spring are respectively connected between the female head limiting communicating device and the connecting female head; the lower part of the female connecting head is provided with an air leakage groove, and in the process of connecting the female connecting head and the male connecting head, air between the female connecting head and the male connecting head is discharged from the air leakage groove; the female connecting head comprises a lower cavity body, an upper cavity body with the size smaller than that of the lower cavity body is arranged on the upper end surface of the lower cavity body, and a filling through hole is arranged in the upper end surface of the lower cavity body and is used for communicating the lower cavity body with the upper cavity body; one end of a cross rod of a T-shaped structure of the dislocation sealing plug is positioned in the lower cavity, and a vertical rod passes through the filling through hole to enter the upper cavity; the upper cavity body of the connecting female head is sleeved in the limiting communicating vessel, is connected with the limiting communicating vessel in a sealing way and can slide up and down in the limiting communicating vessel.
2. A synchronized seal filling apparatus as set forth in claim 1, wherein: the lower cavity body of the connecting female head is sleeved with the connecting male head, and the connecting male head and the connecting female head form sealing connection.
3. A synchronous, sealed filling device according to claim 2, wherein: after the male head and the female head of the male head part and the female head part are connected, the inner surface of a cavity body at the lower part of the female head is hermetically connected with the outer surface of the upper end part of the male head, filling ports in the two connectors are overlapped, the tops of staggered sealing plugs in the two connectors are contacted, a sealing gasket is positioned between the staggered sealing plugs and the filling ports, and the staggered sealing plugs tightly abut against the sealing gasket under the action of a spring; at the moment, the connecting male connector is continuously pushed into the connecting female connector, so that the two connectors and the two staggered sealing plugs synchronously move in a staggered manner, the female connector slides along the limiting communicating device, the staggered sealing plugs of the female connector protrude, the staggered sealing plugs of the male connector are pushed into the limiting communicating device, at the moment, the two filling ports are opened, the peripheries of the filling ports are hermetically connected, and fluid is filled through the two filling ports under the action of pressure difference; when the filling is finished, the male connector in the pushing female connector is loosened, the female connector and the staggered sealing plug are reset under the action of the spring, and the male connector is slowly withdrawn.
4. A synchronized seal filling apparatus as set forth in claim 1, wherein: and a connection maintaining device is arranged between the male part and the female part.
5. The synchronized seal filling apparatus of claim 4, wherein: the maintaining and connecting device is a hook and a hanging ring or a buckle and a clamping groove.
CN201811221655.6A 2018-10-19 2018-10-19 Synchronous sealing filling device Active CN109114337B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811221655.6A CN109114337B (en) 2018-10-19 2018-10-19 Synchronous sealing filling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811221655.6A CN109114337B (en) 2018-10-19 2018-10-19 Synchronous sealing filling device

Publications (2)

Publication Number Publication Date
CN109114337A CN109114337A (en) 2019-01-01
CN109114337B true CN109114337B (en) 2020-06-09

Family

ID=64855031

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811221655.6A Active CN109114337B (en) 2018-10-19 2018-10-19 Synchronous sealing filling device

Country Status (1)

Country Link
CN (1) CN109114337B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1561991A1 (en) * 2004-01-27 2005-08-10 Stäubli Faverges Quick-acting female coupling and coupling comprising such quick-acting female coupling
CN2744916Y (en) * 2004-10-28 2005-12-07 唐志龙 Energy conservation environmentally-friendly junction valve
CN203757253U (en) * 2014-01-24 2014-08-06 重庆地质矿产研究院 Air inlet quick joint of vacuum degassing equipment
CN205429267U (en) * 2016-03-17 2016-08-03 慈溪市鼎力塑胶有限公司 Waterproof connector
CN206480836U (en) * 2016-10-24 2017-09-08 东莞市丸红电子有限公司 USB3.1 TYPE C connector waterproof inserted type buckle structures
CN107387915A (en) * 2017-09-05 2017-11-24 中海石油气电集团有限责任公司 Integrated form snap joint is used in a kind of LNG filling
CN107989575A (en) * 2016-10-27 2018-05-04 天津汇铸石油设备科技有限公司 Rotary check valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1561991A1 (en) * 2004-01-27 2005-08-10 Stäubli Faverges Quick-acting female coupling and coupling comprising such quick-acting female coupling
CN2744916Y (en) * 2004-10-28 2005-12-07 唐志龙 Energy conservation environmentally-friendly junction valve
CN203757253U (en) * 2014-01-24 2014-08-06 重庆地质矿产研究院 Air inlet quick joint of vacuum degassing equipment
CN205429267U (en) * 2016-03-17 2016-08-03 慈溪市鼎力塑胶有限公司 Waterproof connector
CN206480836U (en) * 2016-10-24 2017-09-08 东莞市丸红电子有限公司 USB3.1 TYPE C connector waterproof inserted type buckle structures
CN107989575A (en) * 2016-10-27 2018-05-04 天津汇铸石油设备科技有限公司 Rotary check valve
CN107387915A (en) * 2017-09-05 2017-11-24 中海石油气电集团有限责任公司 Integrated form snap joint is used in a kind of LNG filling

Also Published As

Publication number Publication date
CN109114337A (en) 2019-01-01

Similar Documents

Publication Publication Date Title
CN203757253U (en) Air inlet quick joint of vacuum degassing equipment
CN102818043B (en) Low-temperature ball valve
CN204831718U (en) Sealed detection device
CN104197136A (en) Straight-plug type quick connector
CN109114337B (en) Synchronous sealing filling device
CN109505978A (en) A kind of compensation interior swollen plugging mechanism of radial compliance
CN204062272U (en) Directly-inserted quick quick coupling
CN207049091U (en) Aircraft hydraulic pumps are from pressure charging system
CN204345133U (en) A kind of quick release coupling with stop valve
CN204312746U (en) Water valve in a kind of water softening device
CN203770832U (en) Ultra-high vacuum valve device
CN206740331U (en) A kind of pressure vessel leak detection apparatus
CN213018329U (en) Pneumatic type pipeline sealing actuator
CN204437681U (en) A kind of gas cylinder vacuum-pumping density seal apparatus
CN202790655U (en) Low-temperature ball valve
CN204420158U (en) A kind of gate sealing configuration
CN207894576U (en) A kind of liquid storage pot air tightness detection apparatus
CN208053697U (en) A kind of tank is along edgetrol
CN219231193U (en) Simple and practical sterile drainage bag adapter
CN213513161U (en) High-safety inflation bottle
CN214467040U (en) Pipeline interface seepage prosthetic devices
CN205743820U (en) A kind of down-hole plugging device
CN211901990U (en) Gas delivery pipe joint assembly for subpackaging gas
CN203089892U (en) Port for flexible transfusion bag
CN109027287B (en) Sealing device for valve element of instrument tube

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant