CN110608328B - Space experiment cabinet gas-liquid connector with misplug preventing function and use method thereof - Google Patents
Space experiment cabinet gas-liquid connector with misplug preventing function and use method thereof Download PDFInfo
- Publication number
- CN110608328B CN110608328B CN201810620149.8A CN201810620149A CN110608328B CN 110608328 B CN110608328 B CN 110608328B CN 201810620149 A CN201810620149 A CN 201810620149A CN 110608328 B CN110608328 B CN 110608328B
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- sleeve
- male
- male valve
- straight
- sliding sleeve
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- 239000007788 liquid Substances 0.000 title claims abstract description 23
- 238000002474 experimental method Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 210000001503 joint Anatomy 0.000 claims abstract description 9
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L29/00—Joints with fluid cut-off means
- F16L29/04—Joints 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to a space experiment cabinet gas-liquid connector with an anti-misplug function and a use method thereof, when a male connector is matched and butted with a female connector, a straight-through middle sleeve and a male valve sleeve are screwed in through trapezoidal thread matching, a guide shaft is abutted with the male valve and compresses the male valve and a male valve pressure spring, the male valve sleeve is abutted with a sliding sleeve and compresses the sliding sleeve and the sliding sleeve pressure spring, so that a male connector fluid channel is communicated with a female connector fluid channel, and bidirectional conduction is realized; the male valve and the sliding sleeve which are disconnected after butt joint are respectively reset through the male valve pressure spring and the sliding sleeve pressure spring and are respectively connected with the male valve sleeve and the sliding sleeve in a sealing way, so that the male joint fluid channel and the female joint fluid channel are closed. The invention does not enter air when in connection, does not leak when in disconnection, and is convenient for disconnection and connection operation; the inside and outside of the fluid channel are always in a sealed and isolated state in the whole connection and disconnection process of the disconnector, so that the low air inflow is effectively ensured.
Description
Technical Field
The invention belongs to the field of gas and liquid delivery, and particularly relates to a gas-liquid connector of a space experiment cabinet with an anti-misplug function and a use method thereof.
Background
Various devices for fluid delivery are known, wherein the fluid comprises a gas or a liquid. Connectors formed by female and male connector assemblies are common connection structures for fluid delivery devices. The connection of the female and male connectors is divided into a straight-through type and a closed type. By straight-through is meant that the female and male fittings, whether connected or disconnected, are capable of flowing pressurized fluid through the passages in the female and male fittings. By closed is meant that the female and male connectors must be in a connected state to allow pressurized fluid to flow through the passages in the female and male connectors, whereas in the disconnected state the closed female and male connectors will close the passages so that fluid cannot flow through the passages in the female and male connectors.
The currently known space connectors are closed quick connectors, but the known connectors have a number of drawbacks, such as being disadvantageous for one-handed operation, gas entering the pipe during connection, fluid leakage during disconnection, etc. Under special working conditions such as space station, the workpiece needs characteristics such as easy operation, stable performance, reliable work and the like, and the existing closed type quick connector cannot meet the requirements.
Disclosure of Invention
In order to solve the problems of the prior sealed quick connector and meet the use requirements of a fluid conveying device, the invention aims to provide a space experiment cabinet gas-liquid connector with an anti-misplug function and a use method thereof. The gas-liquid disconnect can be in bi-directional fluid communication when connected and can maintain pressurized fluid within the joint from leaking when disconnected.
The aim of the invention is realized by the following technical scheme:
the invention relates to a space experiment cabinet gas-liquid disconnect device with an anti-misplug function, which comprises a male connector and a female connector, wherein the male connector comprises a base, a limiting block, a male valve sleeve and a male valve pressure spring, one end of the base is inserted from one end of the male valve sleeve and is in sealing threaded connection with the male valve sleeve, the base and the male valve sleeve are both hollow structures, a male connector fluid channel is formed inside the base, the limiting block, the male valve pressure spring and the male valve are all positioned in the male connector fluid channel, the limiting block is arranged in the base, one end of the male valve pressure spring is connected with the limiting block, the other end of the male valve pressure spring is connected with one end of the male valve positioned in the male valve sleeve, and the other end of the male valve is in sealing butt joint with the other end of the male valve sleeve when the male connector is in a closed state;
The female joint comprises a guide shaft, a sliding sleeve, a straight-through middle sleeve, a sliding sleeve pressure spring and a straight-through driving sleeve, one end of the straight-through middle sleeve is inserted by one end of the straight-through driving sleeve and is rotationally connected with the straight-through driving sleeve, the straight-through middle sleeve and the straight-through driving sleeve are of hollow structures, a female joint fluid channel is formed inside the straight-through middle sleeve, the guide shaft, the sliding sleeve and the sliding sleeve pressure spring are all positioned in the female joint fluid channel, one end of the guide shaft is installed in the straight-through middle sleeve, the sliding sleeve and the sliding sleeve pressure spring are sleeved on the guide shaft, one end of the sliding sleeve pressure spring is connected to the inner wall of the straight-through middle sleeve, the other end of the sliding sleeve is connected with one end of the sliding sleeve which axially slides back and forth relative to the straight-through middle sleeve, and the other end of the sliding sleeve is sealed through the other end of the guide shaft when the female joint is in a closed state;
Wherein: the outer part of the male valve sleeve is rotationally connected with a guide sleeve head, the periphery of the straight-through type driving sleeve is connected with an outer sleeve, a plurality of guide teeth are uniformly distributed on one end of the guide sleeve head facing the outer sleeve along the circumferential direction, guide grooves which are the same as the guide teeth in number and correspond to each other one by one are uniformly distributed on the outer surface of one end of the outer sleeve facing the guide sleeve head along the circumferential direction, and each guide tooth is respectively inserted into one guide groove when a male connector is in butt joint with a female connector;
The guide sleeve head is in a ring shape and is rotationally connected with the male valve sleeve through a clamp spring A; the outer sleeve is a hollow cylinder and is fixedly connected with the straight-through driving sleeve;
The outer surface of the base is sleeved with a flange, a plurality of connecting lugs are uniformly distributed on the outer wall of the flange along the circumferential direction, and each connecting lug is provided with a connecting hole for connection and installation;
The outer surface of the other end of the male valve sleeve is provided with a trapezoidal thread A, the inner wall of the male valve sleeve is provided with a sealing ring groove A, and an O-shaped sealing ring A for sealing with the male valve is arranged in the sealing ring groove A;
A sealing ring groove C is formed in the inner wall of one end of the straight-through middle sleeve, and an O-shaped sealing ring D for sealing with the sliding sleeve is arranged in the sealing ring groove C; the clamping spring groove C is formed in the outer side of the end part of one end of the straight-through type middle sleeve and is internally provided with a clamping spring B for preventing the straight-through type driving sleeve from sliding relatively;
the straight-through type driving sleeve is in a ladder cylinder shape, the inner wall of one end of the straight-through type driving sleeve is provided with a clamp spring groove D, and the inner wall of the other end of the straight-through type driving sleeve is provided with a ladder thread B;
One end of the guide shaft is of a hollow structure, the other end of the guide shaft is a plane which is abutted against the other end of the male valve when the male connector is abutted against the female connector, a sealing ring groove B is formed in the other end of the guide shaft, and an O-shaped sealing ring C which is sealed with the sliding sleeve 11 after the female connector is disconnected is arranged in the sealing ring groove B;
the use method of the gas-liquid disconnect device of the space experiment cabinet with the misplug prevention function comprises the following steps:
When the male connector is matched and butted with the female connector, one end of the straight-through middle sleeve is screwed in with the other end of the male valve sleeve through trapezoidal thread matching, the other end of the guide shaft is abutted with the other end of the male valve and compresses the male valve and the male valve pressure spring, the other end of the male valve sleeve is abutted with the other end of the sliding sleeve and compresses the sliding sleeve and the sliding sleeve pressure spring, so that the male connector fluid channel is communicated with the female connector fluid channel, and bidirectional conduction is realized; and the male valve and the sliding sleeve which are disconnected after the butt joint are respectively reset through a male valve pressure spring and a sliding sleeve pressure spring and are respectively connected with the male valve sleeve and the sliding sleeve in a sealing way, so that the male joint fluid channel and the female joint fluid channel are closed.
The invention has the advantages and positive effects that:
1. The connector of the invention does not enter air when connected and does not leak when disconnected, thereby being convenient for disconnection and connection operation.
2. The breaker of the invention can switch between a communicating state and a closed state by mutually matching the trapezoidal threads of the male joint and the female joint, and the selection of the trapezoidal threads reduces the rotation moment.
3. The guide sleeve head and the outer sleeve are respectively arranged outside the male valve sleeve and the straight-through type driving sleeve, so that the operation area of the outer sleeve is increased, and the connector is simple and convenient and is beneficial to single-hand operation; and the communication of different fluids can be distinguished according to different guide tooth numbers on the guide sleeve head so as to prevent misoperation.
4. The outer sleeve of the connector of the invention can not rotate relative to the female connector, so that the outer sleeve can drive the female connector to be connected with and detached from the male connector.
5. The outer sleeve, the straight-through driving sleeve and the straight-through middle sleeve of the disconnector can mutually rotate so as to be convenient to connect and detach without rotating along with the trapezoidal threads, and the service life of the disconnector is prevented from being influenced by rotation caused by working condition vibration.
6. The inside and outside of the fluid channel are always in a sealed and isolated state in the whole connection and disconnection process of the disconnector, so that the low air inflow is effectively ensured.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
fig. 2 is a front view of the structure of the connection state of the disconnector of the present invention;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
fig. 5 is a front view of the structure of the disconnect of the present invention;
FIG. 6 is a cross-sectional view B-B of FIG. 5;
FIG. 7 is a schematic perspective view of a male connector of the present invention;
FIG. 8 is a front elevational view of the male connector of the present invention;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a cross-sectional view C-C of FIG. 8;
FIG. 11 is a schematic perspective view of a female connector of the present invention;
FIG. 12 is a second perspective view of a female connector of the present invention;
FIG. 13 is a front elevational view of the female connector of the present invention;
FIG. 14 is a top view of FIG. 12;
FIG. 15 is a D-D sectional view of FIG. 14;
FIG. 16 is a schematic perspective view of a base of the disconnector of the present invention;
FIG. 17 is a cross-sectional view of the internal structure of the base of the disconnect of the present invention;
FIG. 18 is a schematic perspective view of a male valve in the disconnect of the present invention;
FIG. 19 is a cross-sectional view showing the internal structure of the male valve in the disconnect of the present invention;
FIG. 20 is a schematic perspective view of a male valve sleeve of the disconnect of the present invention;
Fig. 21 is a cross-sectional view of the internal structure of the male valve sleeve of the disconnect of the present invention;
fig. 22 is a schematic perspective view of a guide sleeve head in the disconnector of the present invention;
FIG. 23 is a cross-sectional view of the internal structure of the guide sleeve head of the disconnect of the present invention;
Fig. 24 is a schematic perspective view of a guide shaft in the disconnector of the present invention;
FIG. 25 is a cross-sectional view showing the internal structure of the guide shaft in the disconnector of the present invention;
FIG. 26 is a schematic perspective view of a sliding sleeve in the disconnect of the present invention;
FIG. 27 is a cross-sectional view of the internal structure of the sliding sleeve of the disconnect of the present invention;
FIG. 28 is a schematic perspective view of a straight-through middle sleeve of the disconnect of the present invention;
Fig. 29 is a front elevational view of the straight-through middle sleeve of the disconnect of the present invention;
FIG. 30 is a cross-sectional view E-E of FIG. 29;
FIG. 31 is a schematic perspective view of an outer sleeve of the disconnect of the present invention;
FIG. 32 is a front elevational view of the through drive sleeve of the disconnect of the present invention;
FIG. 33 is a cross-sectional view of F-F in FIG. 32;
Wherein: 1 is a base, 101 is a connecting lug, 102 is a connecting hole, 103 is a flange, 2 is a limiting block, 3 is a male valve, 301 is a connecting column, 4 is a male valve sleeve, 401 is a clamp spring groove A,402 is a seal ring groove A,403 is a trapezoidal thread A,5 is a guide sleeve head, 501 is a guide tooth, 502 is a clamp spring groove B,6 is a male valve pressure spring, 7 is a clamp spring A,8 is an O-shaped seal ring A,9 is an O-shaped seal ring B,10 is a guide shaft, 1001 is a seal ring groove B,11 is a sliding sleeve, 12 is a straight-through middle sleeve, 1201 is a clamp spring groove C,1202 is a seal ring groove C,13 is a sliding sleeve pressure spring, 14 is an outer sleeve, 1401 is a guide groove, 15 is a straight-through driving sleeve, 1501 is a trapezoidal thread B,1502 is a clamp spring groove D,16 is a clamp spring B,17 is an O-shaped seal ring C, and 18 is an O-shaped seal ring D.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 15, the disconnector of the present invention comprises a male connector and a female connector, wherein the male connector comprises a base 1, a limiting block 2, a male valve 3, a male valve sleeve 4 and a male valve pressure spring 6, one end of the base 1 is inserted from one end of the male valve sleeve 4 and is in sealed threaded connection with the male valve sleeve 4, the base 1 and the male valve sleeve 4 are hollow structures, and a male connector fluid channel is formed inside and is used for communicating a male connector passage with a male connector communicating chamber; the limiting block 2, the male valve pressure spring 6 and the male valve 3 are all positioned in a male joint fluid channel, the limiting block 2 is installed in the base 1, one end of the male valve pressure spring 6 is connected to the limiting block 2, the other end of the male valve pressure spring is connected with one end of the male valve 3 positioned in the male valve sleeve 4, and the other end of the male valve 3 is in sealing abutting joint with the other end of the male valve sleeve 4 when the male joint is in a closed state.
The female joint comprises a guide shaft 10, a sliding sleeve 11, a straight-through middle sleeve 12, a sliding sleeve pressure spring 13 and a straight-through driving sleeve 15, wherein one end of the straight-through middle sleeve 12 is inserted from one end of the straight-through driving sleeve 15 and is rotationally connected with the straight-through driving sleeve 15, the straight-through middle sleeve 12 and the straight-through driving sleeve 15 are hollow structures, a female joint fluid channel is formed inside the straight-through middle sleeve 12 and the straight-through driving sleeve 15, and the female joint fluid channel is used for communicating a female joint channel with a female joint communicating cavity; the guide shaft 10, the sliding sleeve 11 and the sliding sleeve pressure spring 13 are all located in the female joint fluid channel, one end of the guide shaft 10 is installed in the straight-through type middle sleeve 12, the sliding sleeve 11 and the sliding sleeve pressure spring 13 are all sleeved on the guide shaft 10, one end of the sliding sleeve pressure spring 13 is connected to the inner wall of the straight-through type middle sleeve 12, the other end of the sliding sleeve pressure spring 13 is connected with one end of the sliding sleeve 11 which axially slides back and forth relative to the straight-through type middle sleeve 12, and the other end of the sliding sleeve 11 is sealed through the other end of the guide shaft 10 when the female joint is in a closed state.
As shown in fig. 1 to 17, a flange 103 which is convenient to fix is sleeved on the outer surface of the base 1, a plurality of connecting lugs 101 are uniformly distributed on the outer wall of the flange 103 along the circumferential direction, and a connecting hole 102 for connecting and installing is formed in each connecting lug 101. The outer surface of the other end of the base 1 is provided with trapezoidal threads C so as to be convenient for matching with other equipment. The axial section of the limiting block 2 is of a T shape rotated by 90 degrees, the transverse edge of the T shape is fixedly connected with the inner wall of the base 1, through holes are formed in the circumferential direction, and the vertical edge of the T shape is connected with one end of the male valve pressure spring 6.
As shown in fig. 1 to 15, 18 and 19, one end of the male valve 3 is provided with a connection post 301 connected to the other end of the male valve pressure spring 6, and the other end of the male valve 3 is a flat surface that abuts against the other end of the guide shaft 10 when the male connector is abutted against the female connector.
As shown in fig. 1 to 15, fig. 20 and fig. 21, a clip spring groove a401 is provided on the outer surface of one end of the male valve sleeve 4, a trapezoidal thread a403 is provided on the outer surface of the other end, a seal ring groove a402 is provided on the inner wall, and an O-ring A8 for sealing with the male valve 3 is accommodated in the seal ring groove a 402. One end of the base 1 and one end of the male valve sleeve 4 are sealed by an O-shaped sealing ring B9 so as to avoid liquid leakage.
As shown in fig. 1 to 15, fig. 22 and fig. 23, in order to increase the contact area between the hand and the connector and facilitate the disassembly and connection of the astronaut, the connector of the present invention is rotationally connected with a guide sleeve head 5 outside a male valve sleeve 4, the guide sleeve head 5 is circular, a plurality of guide teeth 501 (two guide teeth 1 in this embodiment) are uniformly distributed along the circumferential direction towards one end of an outer sleeve 14, and different fluids in the pipeline can be represented by the guide teeth 501 with different numbers of teeth, so as to prevent the misoperation of the erroneous connection of different pipelines. The inner wall of the guide sleeve head 5 is provided with a clamp spring groove B502, the clamp spring groove B502 corresponds to the clamp spring groove A402 after the guide sleeve head 5 is sleeved on the male valve sleeve 4, a clamp spring A7 is contained in a space formed by the clamp spring groove A402 and the clamp spring groove B502, and the guide sleeve head 5 is connected with the male valve sleeve 4 through the clamp spring A7 and can rotate mutually.
As shown in fig. 1 to 15, 24 and 25, one end of the guide shaft 10 is hollow, the other end is a flat surface which is abutted against the other end of the male valve 3 when the male connector is abutted against the female connector, a seal ring groove B1001 is formed in the other end of the guide shaft 10, an O-ring C17 is accommodated in the seal ring groove B1001, and after the female connector is disconnected, the O-ring C17 is sealed with the sliding sleeve 11, and is in an isolated state.
As shown in fig. 1 to 15, fig. 26 and fig. 27, the sliding sleeve 11 has a hollow stepped cylindrical structure, and the outer surface steps are abutted against the end of the other end of the male valve sleeve 4 when the male connector is abutted against the female connector.
As shown in fig. 1 to 8 and fig. 28 to 30, a seal ring groove C1202 is formed in an inner wall of one end of the straight-through type middle sleeve 12, an O-shaped seal ring D18 is accommodated in the seal ring groove C1202, and when the female joint is in a disconnected state, the sliding sleeve 11 is sealed with the straight-through type middle sleeve 12 through the O-shaped seal ring D18 so as to avoid liquid leakage. The outside of the end part of the straight-through type driving sleeve 15 on the straight-through type middle sleeve 12 is provided with a clamp spring groove C1201, and the clamp spring B16 for preventing the straight-through type driving sleeve 15 from sliding relatively is contained in the clamp spring groove C1201.
As shown in fig. 1 to 15, 32 and 33, the straight-through driving sleeve 15 is in a stepped cylindrical shape, one end inner wall is provided with a snap spring groove D1502, and the other end inner wall is provided with a trapezoidal thread B1502; the clamp spring groove D1502 corresponds to the clamp spring groove C1201 after one end of the straight-through type middle sleeve 12 is inserted, and the clamp spring B16 is accommodated in a space formed by the clamp spring groove C1201 and the clamp spring groove D1502, and the straight-through type driving sleeve 15 is connected with the straight-through type middle sleeve 12 through the clamp spring B16. When the male connector is abutted with the female connector, the trapezoidal thread A404 at the other end of the male valve sleeve 4 is screwed in cooperation with the trapezoidal thread B1502 at the other end of the through type driving sleeve 15.
As shown in fig. 1 to 15 and 31, in order to increase the contact area between the hand and the disconnector, in order to facilitate the detachment and connection of the astronaut, an outer sleeve 14 is provided at the periphery of the through-type driving sleeve 15, the outer sleeve 14 is a hollow cylinder and is fixedly connected with the through-type driving sleeve 15, the outer surface of the outer sleeve 14 facing one end of the guide sleeve head 5 (i.e. the end connected with the guide sleeve head 5 when the male joint is in butt joint with the female joint) is uniformly provided with guide grooves 1401 (two guide grooves 1401 in this embodiment) which are the same as the guide teeth 501 in number and are in one-to-one correspondence with each other, and each guide tooth 501 is inserted into one guide groove 1401 when the male joint is in butt joint with the female joint.
The application method of the gas-liquid disconnect device comprises the following steps:
The male connector and the female connector can be switched between a communicating state and a closed state by matching the trapezoidal threads of the male connector and the trapezoidal threads of the female connector, and in the communicating state, a male connector fluid channel and a female connector fluid channel are communicated; in the closed state, the male connector fluid channel is isolated by the male valve 3 and the male valve sleeve 4, and the female connector fluid channel is isolated by the guide shaft 10 and the sliding sleeve 11. When the male joint and the female joint are in a communicating state, fluid can flow bidirectionally in the connector breaker, and the switching between the communicating state and the closed state of the male joint and the female joint is realized by the relative sliding of trapezoidal threads. The method comprises the following steps:
When the female connector and the male connector are in the disconnected state, the female connector and the male connector are in the closed state, and the Yang Jietou male valve 3 and the sliding sleeve 11 of the female connector are in the reset state, namely the male valve 3 is sealed with the male valve sleeve 4 through the O-shaped sealing ring A8, and the sliding sleeve 11 is sealed with the guide shaft 10 through the O-shaped sealing ring C17.
When the female joint and the male joint are matched and butted, one end of the straight-through middle sleeve 12 and the other end of the male valve sleeve 4 are screwed in a matched manner through trapezoidal threads; the other end of the guide shaft 10 is abutted against the other end of the male valve 3, compresses the male valve 3 and the male valve pressure spring 6, and the other end of the male valve sleeve 4 is abutted against the other end of the sliding sleeve 11, compresses the sliding sleeve 11 and the sliding sleeve pressure spring 13, so that the male joint fluid channel is communicated with the female joint fluid channel, and bidirectional conduction is realized.
In the disconnection process, the disconnected male valve 3 and the disconnected sliding sleeve 11 are reset through the male valve pressure spring 6 and the sliding sleeve pressure spring 13 respectively and are respectively in sealing connection with the male valve sleeve 4 and the sliding sleeve 11, so that the male joint fluid channel and the female joint fluid channel are closed and are in an isolated state and isolated from the outside.
The invention optimizes the structure, the wall thickness strength design, the accurate calculation of the spring and the optimization design of the fluid channel, thereby achieving the small and compact structural design.
Claims (10)
1. The utility model provides a space experiment cabinet gas-liquid disconnect ware with prevent misplug function, includes male joint and female joint, its characterized in that: the male connector comprises a base (1), a limiting block (2), a male valve (3), a male valve sleeve (4) and a male valve pressure spring (6), wherein one end of the base (1) is inserted from one end of the male valve sleeve (4) and is in sealing threaded connection with the male valve sleeve (4), the base (1) and the male valve sleeve (4) are of hollow structures, a male connector fluid channel is formed inside the base, the limiting block (2), the male valve pressure spring (6) and the male valve (3) are all positioned in the male connector fluid channel, the limiting block (2) is installed in the base (1), one end of the male valve pressure spring (6) is connected to the limiting block (2), the other end of the male valve pressure spring is connected with one end of the male valve (3) positioned in the male valve sleeve (4), and the other end of the male valve (3) is in sealing butt joint with the other end of the male valve sleeve (4) when the male connector is in a closed state;
The female joint comprises a guide shaft (10), a sliding sleeve (11), a straight-through middle sleeve (12), a sliding sleeve pressure spring (13) and a straight-through driving sleeve (15), one end of the straight-through middle sleeve (12) is inserted by one end of the straight-through driving sleeve (15) and is rotationally connected with the straight-through driving sleeve (15), the straight-through middle sleeve (12) and the straight-through driving sleeve (15) are of hollow structures, a female joint fluid channel is formed inside the straight-through middle sleeve, the guide shaft (10), the sliding sleeve (11) and the sliding sleeve pressure spring (13) are all located in the female joint fluid channel, one end of the guide shaft (10) is installed in the straight-through middle sleeve (12), the sliding sleeve (11) and the sliding sleeve pressure spring (13) are sleeved on the guide shaft (10), one end of the sliding sleeve pressure spring (13) is connected to the inner wall of the straight-through middle sleeve (12), the other end of the sliding sleeve (11) is connected with one end of the sliding sleeve (11) which axially reciprocates, and the other end of the sliding sleeve (11) is located in a sealed state through the guide shaft (10) when the other end of the sliding sleeve (11) is located in the sealed state.
2. The space experiment cabinet gas-liquid disconnect device with the misplug preventing function according to claim 1, which is characterized in that: the outer portion of the male valve sleeve (4) is rotationally connected with a guide sleeve head (5), the periphery of the through type driving sleeve (15) is connected with an outer sleeve (14), a plurality of guide teeth (501) are uniformly distributed on one end of the guide sleeve head (5) facing the outer sleeve (14) along the circumferential direction, guide grooves (1401) which are the same in number with the guide teeth (501) and correspond to the guide teeth one by one are uniformly distributed on the outer surface of one end of the guide sleeve head (5) along the circumferential direction, and each guide tooth (501) is inserted into one guide groove (1401) when a male connector is in butt joint with a female connector.
3. The space experiment cabinet gas-liquid disconnect device with the misplug preventing function according to claim 2, which is characterized in that: the guide sleeve head (5) is in a ring shape and is rotationally connected with the male valve sleeve (4) through the clamp spring A (7).
4. The space experiment cabinet gas-liquid disconnect device with the misplug preventing function according to claim 2, which is characterized in that: the outer sleeve (14) is a hollow cylinder, and the outer sleeve (14) is fixedly connected with the through type driving sleeve (15).
5. The space experiment cabinet gas-liquid disconnect device with the misplug preventing function according to claim 1, which is characterized in that: the outer surface of the base (1) is sleeved with a flange (103), a plurality of connecting lugs (101) are uniformly distributed on the outer wall of the flange (103) along the circumferential direction, and connecting holes (102) for connecting and installing are formed in each connecting lug (101).
6. The space experiment cabinet gas-liquid disconnect device with the misplug preventing function according to claim 1, which is characterized in that: the outer surface of the other end of the male valve sleeve (4) is provided with a trapezoidal thread A (403), the inner wall of the male valve sleeve is provided with a sealing ring groove A (402), and an O-shaped sealing ring A (8) for sealing with the male valve (3) is arranged in the sealing ring groove A (402).
7. The space experiment cabinet gas-liquid disconnect device with the misplug preventing function according to claim 1, which is characterized in that: a sealing ring groove C (1202) is formed in the inner wall of one end of the straight-through middle sleeve (12), and an O-shaped sealing ring D (18) for sealing with the sliding sleeve (11) is arranged in the sealing ring groove C (1202); the clamping spring groove C (1201) is formed in the outer side of the end part of one end of the straight-through type driving sleeve (15) on the straight-through type middle sleeve (12), and the clamping spring B (16) for preventing the straight-through type driving sleeve (15) from sliding relatively is arranged in the clamping spring groove C (1201).
8. The space experiment cabinet gas-liquid disconnect device with the misplug preventing function according to claim 1, which is characterized in that: the straight-through type driving sleeve (15) is in a ladder cylinder shape, a clamp spring groove D (1502) is formed in the inner wall of one end of the straight-through type driving sleeve, and a trapezoidal thread B (1501) is formed in the inner wall of the other end of the straight-through type driving sleeve.
9. The space experiment cabinet gas-liquid disconnect device with the misplug preventing function according to claim 1, which is characterized in that: one end of the guide shaft (10) is of a hollow structure, the other end of the guide shaft is a plane which is abutted against the other end of the male valve (3) when the male connector is abutted against the female connector, a sealing ring groove B (1001) is formed in the other end of the guide shaft (10), and an O-shaped sealing ring C (17) which is sealed with the sliding sleeve 11 after the female connector is disconnected is arranged in the sealing ring groove B (1001).
10. A method for using the space experiment cabinet gas-liquid connector with the misplug preventing function according to any one of claims 1 to 9, which is characterized in that: when the male connector is matched and butted with the female connector, one end of the straight-through middle sleeve (12) is screwed in with the other end of the male valve sleeve (4) through trapezoidal thread matching, the other end of the guide shaft (10) is abutted with the other end of the male valve (3) and compresses the male valve (3) and the male valve pressure spring (6), the other end of the male valve sleeve (4) is abutted with the other end of the sliding sleeve (11) and compresses the sliding sleeve (11) and the sliding sleeve pressure spring (13), so that the male connector fluid channel is communicated with the female connector fluid channel, and bidirectional conduction is realized; the male valve (3) and the sliding sleeve (11) which are disconnected after butt joint are respectively reset through the male valve pressure spring (6) and the sliding sleeve pressure spring (13) and are respectively connected with the male valve sleeve (4) and the sliding sleeve (11) in a sealing mode, and the male joint fluid channel and the female joint fluid channel are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810620149.8A CN110608328B (en) | 2018-06-15 | 2018-06-15 | Space experiment cabinet gas-liquid connector with misplug preventing function and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810620149.8A CN110608328B (en) | 2018-06-15 | 2018-06-15 | Space experiment cabinet gas-liquid connector with misplug preventing function and use method thereof |
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| CN110608328A CN110608328A (en) | 2019-12-24 |
| CN110608328B true CN110608328B (en) | 2024-06-21 |
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| CN201810620149.8A Active CN110608328B (en) | 2018-06-15 | 2018-06-15 | Space experiment cabinet gas-liquid connector with misplug preventing function and use method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113819325B (en) * | 2021-08-23 | 2023-06-27 | 中航光电科技股份有限公司 | Quick connector with pressure relief function |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208365023U (en) * | 2018-06-15 | 2019-01-11 | 中国科学院沈阳自动化研究所 | Space Experiments cabinet gas-liquid disconnection device with Anti-misplug function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5215122A (en) * | 1991-12-09 | 1993-06-01 | Aeroquip Corporation | Quick disconnect fluid coupling with integral pressure relief feature |
| SE507523C2 (en) * | 1996-10-15 | 1998-06-15 | Nyberg Bo Erik | Coupling part for sealing connection of a hose or equivalent to a nipple |
| CN201575258U (en) * | 2010-02-01 | 2010-09-08 | 中国北方车辆研究所 | Low-voltage pipeline quick joint |
| CN103162035A (en) * | 2011-12-12 | 2013-06-19 | 常州市永春机电设备有限公司 | Quick butt joint |
| CN103162049A (en) * | 2011-12-12 | 2013-06-19 | 常州市永春机电设备有限公司 | Anti-leakage female joint |
| CN103292101B (en) * | 2013-06-27 | 2017-08-08 | 中国北方车辆研究所 | A kind of fast union for low-presure pipes |
| CN104864209B (en) * | 2015-05-20 | 2016-11-02 | 山东航天电子技术研究所 | A kind of heavy caliber maintainable technology on-orbit fluid path disconnection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208365023U (en) * | 2018-06-15 | 2019-01-11 | 中国科学院沈阳自动化研究所 | Space Experiments cabinet gas-liquid disconnection device with Anti-misplug function |
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