CN110608328A - Gas-liquid disconnecting device with wrong insertion preventing function for space experiment cabinet and using method of gas-liquid disconnecting device - Google Patents
Gas-liquid disconnecting device with wrong insertion preventing function for space experiment cabinet and using method of gas-liquid disconnecting device Download PDFInfo
- Publication number
- CN110608328A CN110608328A CN201810620149.8A CN201810620149A CN110608328A CN 110608328 A CN110608328 A CN 110608328A CN 201810620149 A CN201810620149 A CN 201810620149A CN 110608328 A CN110608328 A CN 110608328A
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- sleeve
- male
- male valve
- straight
- sliding sleeve
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- 239000007788 liquid Substances 0.000 title claims abstract description 25
- 238000002474 experimental method Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000003780 insertion Methods 0.000 title claims description 13
- 230000037431 insertion Effects 0.000 title claims description 13
- 239000012530 fluid Substances 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 210000001503 joint Anatomy 0.000 claims abstract description 6
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012546 transfer Methods 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 gas-liquid cut-off device with a misplug prevention function for a space experiment cabinet and a use method thereof.A straight-through type middle sleeve and a male valve sleeve are screwed in through trapezoidal thread fit when a male joint and a female joint are in matched butt joint, a guide shaft is abutted against a male valve and compresses the male valve and a male valve pressure spring, and the male valve sleeve is abutted against a sliding sleeve and compresses the sliding sleeve and a sliding sleeve pressure spring, so that a male joint fluid channel is communicated with a female joint fluid channel, and bidirectional conduction is realized; and the disconnected male valve and the disconnected sliding sleeve are respectively reset through a male valve pressure spring and a sliding sleeve pressure spring after being butted, and are respectively connected with the male valve sleeve and the sliding sleeve in a sealing way to close the fluid channel of the male joint and the fluid channel of the female joint. The invention has no air intake when in connection and no leakage when in disconnection, thereby facilitating the disconnection and connection operations; in the whole connection and disconnection process of the disconnector, the inside and the outside of the fluid channel are always in a sealed and isolated state, so that the low air input is effectively ensured.
Description
Technical Field
The invention belongs to the field of gas and liquid conveying, and particularly relates to a gas-liquid disconnecting device with a wrong insertion prevention function for a space experiment cabinet and a using method thereof.
Background
Various devices for fluid delivery are known, wherein the fluid comprises a gas or a liquid. The connector formed by the female and male components is a common connection structure for fluid transfer devices. The connection of the female joint and the male joint is divided into a straight-through type and a closed type. The straight type means that a pressure fluid can flow through passages in the female and male connectors regardless of whether the female and male connectors are connected or disconnected. Closed means that the female and male fittings must be in a connected state to be able to let pressure fluid flow through the channels in the female and male fittings, whereas in a disconnected state the closed female and male fittings will close the channels so that fluid cannot flow through the channels in the female and male fittings.
The space connectors known at present are quick connectors of the closed type, but the known connectors have many drawbacks, such as being not conducive to one-handed operation, having gas entering the conduit when connected, having fluid leakage when disconnected, etc. Under such special working conditions of the space station, workpieces need to have the characteristics of simple 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 existing closed quick connector and meet the use requirements of a fluid conveying device, the invention aims to provide a gas-liquid disconnector with a wrong insertion prevention function for a space experiment cabinet and a use method thereof. The gas-liquid disconnecting and connecting device can be in a bidirectional fluid communication state when being connected, and can keep pressure fluid inside the connector from leaking when being disconnected.
The purpose of the invention is realized by the following technical scheme:
the gas-liquid disconnecting and connecting device of the space experiment cabinet with the misplug prevention function 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 sealed threaded connection with the male valve sleeve, the base and the male valve sleeve are both of a hollow structure, 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 installed in the base, one end of the male valve pressure spring is connected to 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 sealed abutting connection with the other end of;
the female joint comprises a guide shaft, a sliding sleeve, a straight-through type middle sleeve, a sliding sleeve pressure spring and a straight-through type driving sleeve, one end of the straight-through type middle sleeve is inserted from one end of the straight-through type driving sleeve and is rotationally connected with the straight-through type driving sleeve, the straight-through type middle sleeve and the straight-through type driving sleeve are both hollow structures, a female joint fluid channel is formed inside the hollow structures, 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 arranged in the straight-through type 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 with the inner wall of the straight-through type middle sleeve, the other end of the sliding sleeve pressure spring is connected with one end of the sliding sleeve which axially and reciprocally slides relative to the straight-through type middle sleeve, the other end of the sliding sleeve is sealed by the other end of the guide shaft when the female joint is in a closed state;
wherein: the male valve sleeve is externally and rotatably connected with a guide sleeve head, the periphery of the straight-through type driving sleeve is connected with an outer sleeve, one end, facing the outer sleeve, of the guide sleeve head is uniformly provided with a plurality of guide teeth along the circumferential direction, the outer surface, facing the guide sleeve head, of the outer sleeve is uniformly provided with guide grooves which are the same as the guide teeth in number and correspond to the guide teeth one by one along the circumferential direction, and each guide tooth is respectively inserted into one guide groove when the male connector is in butt joint with the female connector;
the guide sleeve head is annular 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 type driving sleeve;
a flange is sleeved on the outer surface of the base, 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 connecting and mounting;
the outer surface of the other end of the male valve sleeve is provided with trapezoidal threads A, the inner wall of the male valve sleeve is provided with a sealing ring groove A, and an O-shaped sealing ring A which is sealed 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 type middle sleeve, and an O-shaped sealing ring D which is sealed with the sliding sleeve is arranged in the sealing ring groove C; a clamp spring groove C is formed in the straight-through type middle sleeve and positioned on the outer side of one end part of the straight-through type driving sleeve, and a clamp spring B for preventing the straight-through type driving sleeve from sliding relatively is arranged in the clamp spring groove C;
the straight-through type driving sleeve is in a stepped cylindrical shape, a clamp spring groove D is formed in the inner wall of one end of the straight-through type driving sleeve, and a trapezoidal thread B is formed in the inner wall of the other end of the straight-through type driving sleeve;
one end of the guide shaft is of a hollow structure, the end part of the other end of the guide shaft is a plane which is abutted against the other end of the male valve when the male joint is abutted with the female joint, the other end of the guide shaft is provided with a sealing ring groove B, and an O-shaped sealing ring C which is sealed with the sliding sleeve 11 after the female joint is disconnected is arranged in the sealing ring groove B;
the invention discloses a use method of a gas-liquid disconnector with a misplug prevention function for a space experiment cabinet, which comprises the following steps:
when the male joint is in matched butt joint with the female joint, one end of the straight-through type middle sleeve is matched with the other end of the male valve sleeve to be screwed in through trapezoidal threads, the other end of the guide shaft is abutted against 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 against the other end of the sliding sleeve and compresses the sliding sleeve and the sliding sleeve pressure spring, so that the male joint fluid channel is communicated with the female joint fluid channel, and bidirectional conduction is realized; and the disconnected male valve and the disconnected sliding sleeve are respectively reset through a male valve pressure spring and a sliding sleeve pressure spring after being butted, and are respectively connected with the male valve sleeve and the sliding sleeve in a sealing way to close the male joint fluid channel and the female joint fluid channel.
The invention has the advantages and positive effects that:
1. the disconnecting and connecting device of the invention has the advantages of no air intake during connection and no leakage during disconnection, and is convenient for disconnection and connection operation.
2. The disconnection device can be switched between a communication state and a closed state through the mutual matching of the trapezoidal threads of the male joint and the female joint, and the rotation torque is reduced due to the selection of the trapezoidal threads.
3. The disconnecting and connecting device is provided with the guide sleeve head and the outer sleeve outside the male valve sleeve and the straight-through driving sleeve respectively, so that the operating area of the outer sleeve is increased, the disconnecting and connecting device is simple and convenient, and the one-hand operation is facilitated; the communication of different fluids can be distinguished according to different guide teeth numbers on the guide sleeve head so as to prevent misoperation.
4. The outer sleeve of the disconnecting and connecting device cannot rotate relative to the female joint, so that the outer sleeve can drive the female joint to be connected with and disconnected from the male joint.
5. The outer sleeve, the straight-through driving sleeve and the straight-through middle sleeve of the disconnector can rotate mutually so as to be convenient for connection and disassembly without rotating along with the trapezoidal thread, and the service life of the disconnector is prevented from being influenced by rotation caused by working condition vibration.
6. In the whole connection and disconnection process of the disconnector, the inside and the outside of the fluid channel are always in a sealed and isolated state, so that the low air input is effectively ensured.
Drawings
FIG. 1 is a structural cross-sectional view of the present invention;
FIG. 2 is a front view of the structure of the connecting state of the disconnector;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a front elevational view of the disconnect state of the disconnect of the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;
fig. 7 is a schematic perspective view of a male connector of the disconnect of the present invention;
FIG. 8 is a front view of the male connector of the disconnect of the present invention;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a cross-sectional view taken at C-C of FIG. 8;
FIG. 11 is a perspective view of a female connector of the disconnect of the present invention;
FIG. 12 is a second schematic perspective view of the female connector of the disconnect of the present invention;
FIG. 13 is a front view of the construction of the female fitting of the disconnect of the present invention;
FIG. 14 is a top view of FIG. 12;
FIG. 15 is a cross-sectional view taken along line D-D of FIG. 14;
fig. 16 is a perspective view of a base of the disconnect of the present invention;
fig. 17 is a sectional view showing the internal structure of the base in the disconnector according to the invention;
FIG. 18 is a schematic perspective view of a male valve of the disconnect of the present invention;
fig. 19 is a sectional view showing the internal structure of a male valve in the disconnector according to the present invention;
fig. 20 is a perspective view of the male valve sleeve of the disconnect of the present invention;
fig. 21 is a sectional view showing the internal structure of the male valve housing in the disconnector according to the present invention;
fig. 22 is a schematic perspective view of a guide sleeve head in the disconnect of the present invention;
fig. 23 is a sectional view showing the internal structure of a guide sleeve head in the disconnector according to the present invention;
fig. 24 is a perspective view of a guide shaft in the disconnect of the present invention;
fig. 25 is a sectional view showing the internal structure of a guide shaft in the disconnector according to the present invention;
fig. 26 is a perspective view of the sliding sleeve of the disconnect of the present invention;
fig. 27 is a sectional view showing the internal structure of the sliding sleeve in the disconnector according to the present invention;
fig. 28 is a perspective view of a through type middle sleeve of the disconnector according to the present invention;
fig. 29 is a front view showing the construction of a through type middle sleeve in the coupling and decoupling apparatus according to the present invention;
FIG. 30 is a cross-sectional view taken along line 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 construction of a through type drive sleeve in the disconnect of the present invention;
FIG. 33 is a cross-sectional view F-F of FIG. 32;
wherein: the pressure spring type hydraulic pressure valve comprises a base 1, a connecting lug 101, a connecting hole 102, a flange 103, a limiting block 2, a male valve 3, a connecting column 301, a male valve sleeve 4, a snap spring groove A401, a seal ring groove A402, a trapezoidal thread A403, a guide sleeve head 5, a guide tooth 501, a snap spring groove B502, a male valve pressure spring 6, a snap spring A7, an O-shaped seal ring A8, an O-shaped seal ring B9, a guide shaft 10, a seal ring groove B1001, a sliding sleeve 11, a straight-through middle sleeve 12, a snap spring groove C1201, a seal ring groove C1202, a sliding sleeve pressure spring 13, an outer sleeve 14, a guide groove 1401, a straight-through driving sleeve 15, a trapezoidal thread B1501, a trapezoidal thread B1502, a snap spring groove D, a snap spring B16, an O-shaped seal ring C17 and an O-shaped seal ring D18.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 15, the disconnecting and connecting device of the present invention includes a male connector and a female connector, wherein the male connector includes a base 1, a limiting block 2, a male valve 3, a male valve housing 4 and a male valve pressure spring 6, one end of the base 1 is inserted from one end of the male valve housing 4 and is in sealed threaded connection with the male valve housing 4, the base 1 and the male valve housing 4 are both hollow structures, a male connector fluid channel is formed inside, and the male connector fluid channel is used for communicating a male connector passage with a male connector communication chamber; the limiting block 2, the male valve pressure spring 6 and the male valve 3 are all located in the 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 located 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 joint is in a closed state.
The female joint comprises a guide shaft 10, a sliding sleeve 11, a through type middle sleeve 12, a sliding sleeve pressure spring 13 and a through type driving sleeve 15, wherein one end of the through type middle sleeve 12 is inserted from one end of the through type driving sleeve 15 and is rotationally connected with the through type driving sleeve 15, the through type middle sleeve 12 and the through type driving sleeve 15 are both hollow structures, and a female joint fluid channel is formed inside the through type middle sleeve 12 and the through type driving sleeve 15 and is used for communicating the female joint channel with a female joint communication chamber; the guide shaft 10, the sliding sleeve 11 and the sliding sleeve pressure spring 13 are all located in a female joint fluid channel, one end of the guide shaft 10 is installed in the 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 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 and reciprocally slides relative to the 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. 1-17, the outer surface of the base 1 is sleeved with a flange 103 convenient to fix, a plurality of connecting lugs 101 are uniformly distributed on the outer wall of the flange 103 along the circumferential direction, and each connecting lug 101 is provided with a connecting hole 102 for connection and installation. The outer surface of the other end of the base 1 is provided with trapezoidal threads C to facilitate cooperation with other equipment. The axial section of the limiting block 2 is in a T shape which rotates by 90 degrees, the transverse edge of the T shape is fixedly connected with the inner wall of the base 1, a through hole is 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, a connection column 301 connected to the other end of the male valve pressure spring 6 is provided at one end of the male valve 3, and the other end of the male valve 3 is a flat surface which abuts against the other end of the guide shaft 10 when the male joint and the female joint are butted against each other.
As shown in fig. 1 to 15, 20, and 21, a snap spring groove a401 is provided on the outer surface of one end of the male valve housing 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 the male valve 3 is provided 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 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 disconnecting device and facilitate the detachment and connection of the astronaut, the disconnecting device of the present invention is rotatably connected with a guide sleeve head 5 outside a male valve sleeve 4, the guide sleeve head 5 is in a circular ring shape, a plurality of guide teeth 501 (two guide teeth 1 in this embodiment) are uniformly distributed along the circumferential direction toward one end of an outer sleeve 14, and different fluids in a pipeline can be represented by the guide teeth 501 with different teeth numbers, so as to prevent the misoperation of the wrong 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 accommodated 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 a 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 thereof is a flat surface which abuts against the other end of the male valve 3 when the male joint and the female joint are butted against each other, the other end of the guide shaft 10 is provided with a seal ring groove B1001, an O-ring C17 is accommodated in the seal ring groove B1001, and when the female joint is disconnected, the O-ring C17 seals the sliding sleeve 11 and is in an isolated state.
As shown in fig. 1 to 15, 26 and 27, the sliding sleeve 11 has a hollow stepped cylindrical structure, and the outer surface step abuts against the end of the other end of the male valve housing 4 when the male joint and the female joint are mated.
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 through-type middle sleeve 12, an O-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 through-type middle sleeve 12 by the O-ring D18 to prevent liquid leakage. A clamp spring groove C1201 is formed in the through type middle sleeve 12 at the outer side of the end portion of the through type driving sleeve 15, and a clamp spring B16 for preventing the through type driving sleeve 15 from sliding relatively is arranged 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 cylinder shape, and has a clamp spring groove D1502 on the inner wall at one end and a trapezoidal thread B1502 on the inner wall at the other end; the clamp spring groove D1502 corresponds to the clamp spring groove C1201 after one end of the through-type middle sleeve 12 is inserted, and a clamp spring B16 is accommodated in a space formed by the clamp spring groove C1201 and the clamp spring groove D1502, and the through-type driving sleeve 15 is connected with the through-type middle sleeve 12 through a clamp spring B16. When the male connector is mated with the block connector, the trapezoidal threads a404 at the other end of the male valve housing 4 are screwed into the trapezoidal threads B1502 at the other end of the straight-through drive sleeve 15.
As shown in fig. 1 to 15 and fig. 31, in order to increase the contact area between the hand and the connector and facilitate the detachment and connection of the astronaut, an outer sleeve 14 is disposed on the periphery of the through-type driving sleeve 15, the outer sleeve 14 is a hollow cylinder and is fixedly connected to the through-type driving sleeve 15, guide grooves 1401 (two guide grooves 1401 in this embodiment) having the same number as the guide teeth 501 and corresponding to one another are uniformly distributed on the outer surface of one end of the outer sleeve 14 facing the guide socket head 5 (i.e., the end where the male connector is connected to the female connector and the end where the guide socket head 5 is connected) along the circumferential direction, and each guide tooth 501 is inserted into one guide groove 1401 when the male connector is connected to the female connector.
The use method of the gas-liquid disconnecting and connecting device comprises the following steps:
the disconnecting and connecting device of the invention is characterized in that the trapezoidal threads of the male joint and the trapezoidal threads of the female joint are mutually matched, the male joint and the female joint can be switched between a communication state and a closed state, and in the communication state, a male joint fluid channel is communicated with a female joint fluid channel; in the closed state, the male joint fluid passage is isolated by the male valve 3 and the male valve housing 4, and the female joint fluid passage is isolated by the guide shaft 10 and the sliding sleeve 11. When the male joint and the female joint are in a communicated state, fluid can flow in the disconnector in two directions, and the communication state and the closed state of the male joint and the female joint are switched by relative sliding of the trapezoidal threads. The method specifically comprises the following steps:
when in the disconnected state, the female joint and the male joint are both in the closed state, and the male joint male valve 3 and the sliding sleeve 11 of the female joint are both in the reset state, i.e. the male valve 3 is sealed with the male valve sleeve 4 by the O-ring A8, and the sliding sleeve 11 is sealed with the guide shaft 10 by the O-ring C17.
When the female joint and the male joint are in matched butt joint, one end of the straight-through type middle sleeve 12 and the other end of the male valve sleeve 4 are screwed in a matched mode through trapezoidal threads; the other end of the guide shaft 10 abuts against the other end of the male valve 3 and compresses the male valve 3 and the male valve pressure spring 6, and the other end of the male valve sleeve 4 abuts against 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 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 respectively reset through the male valve pressure spring 6 and the sliding sleeve pressure spring 13, are respectively connected with the male valve sleeve 4 and the sliding sleeve 11 in a sealing mode, close the male joint fluid channel and the female joint fluid channel, and are in an isolation state and isolated from the outside.
The disconnector is designed in a small and compact structure by optimizing the structure, designing the strength of the wall thickness, accurately calculating the spring and optimizing the fluid channel.
Claims (10)
1. The utility model provides a space experiment cabinet gas-liquid disconnect ware with mistake proofing function of inserting, includes male joint and female joint, its characterized in that: the male joint 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 both of a hollow structure, a male joint fluid channel is formed inside the base, the limiting block (2), the male valve pressure spring (6) and the male valve (3) are all located in the 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) located in the male valve sleeve (4), and the other end of the male valve (3) is in a sealed state and is abutted to the other end of the male valve sleeve (4);
the female joint comprises a guide shaft (10), a sliding sleeve (11), a straight-through type middle sleeve (12), a sliding sleeve pressure spring (13) and a straight-through type driving sleeve (15), one end of the straight-through type middle sleeve (12) is inserted from one end of the straight-through type driving sleeve (15) and is rotatably connected with the straight-through type driving sleeve (15), the straight-through type middle sleeve (12) and the straight-through type driving sleeve (15) are both of a hollow structure, a female joint fluid channel is formed inside the straight-through type middle sleeve, the guide shaft (10), the sliding sleeve (11) and the sliding sleeve pressure spring (13) are all positioned 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 is connected to one end of a sliding sleeve (11) which axially reciprocates to slide with respect to a straight-through type intermediate sleeve (12), and the other end of the sliding sleeve (11) is sealed by the other end of the guide shaft (10) when the female joint is in a closed state.
2. The gas-liquid disconnecting device with the function of preventing wrong insertion for the space experiment cabinet according to claim 1, is characterized in that: the external rotation of public valve barrel (4) is connected with direction pullover (5), the periphery of straight through type drive sleeve (15) is connected with outer sleeve (14), direction pullover (5) have a plurality of direction teeth (501) along the circumferencial direction equipartition towards the one end of outer sleeve (14), outer sleeve (14) have quantity and direction tooth (501) the same, and the guide way (1401) of one-to-one along the circumferencial direction equipartition towards direction pullover (5) one end surface, every guide tooth (501) insert one respectively when male joint and female joint are docked in guide way (1401).
3. The gas-liquid disconnecting device with the function of preventing wrong insertion for the space experiment cabinet according to claim 2, is characterized in that: the guide sleeve head (5) is in a circular ring shape and is rotationally connected with the male valve sleeve (4) through a clamp spring A (7).
4. The gas-liquid disconnecting device with the function of preventing wrong insertion for the space experiment cabinet according to claim 2, is characterized in that: the outer sleeve (14) is a hollow cylinder, and the outer sleeve (14) is fixedly connected with the straight-through type driving sleeve (15).
5. The gas-liquid disconnecting device with the function of preventing wrong insertion for the space experiment cabinet according to claim 1, 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 each connecting hole (102) used for connecting and installing is formed in each connecting lug (101).
6. The gas-liquid disconnecting device with the function of preventing wrong insertion for the space experiment cabinet according to claim 1, 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) which is sealed with the male valve (3) is arranged in the sealing ring groove A (402).
7. The gas-liquid disconnecting device with the function of preventing wrong insertion for the space experiment cabinet according to claim 1, is characterized in that: a sealing ring groove C (1202) is formed in the inner wall of one end of the straight-through type middle sleeve (12), and an O-shaped sealing ring D (18) which is sealed with the sliding sleeve (11) is arranged in the sealing ring groove C (1202); a clamp spring groove C (1201) is formed in the outer side of the end portion, located at one end of the straight-through type driving sleeve (15), of the straight-through type middle sleeve (12), and a clamp spring B (16) for preventing the straight-through type driving sleeve (15) from sliding relatively is arranged in the clamp spring groove C (1201).
8. The gas-liquid disconnecting device with the function of preventing wrong insertion for the space experiment cabinet according to claim 1, is characterized in that: the straight-through type driving sleeve (15) is in a stepped 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 gas-liquid disconnecting device with the function of preventing wrong insertion for the space experiment cabinet according to claim 1, is characterized in that: one end of the guide shaft (10) is of a hollow structure, the end part of the other end of the guide shaft is a plane which is abutted with the other end of the male valve (3) when the male joint is abutted with the female joint, 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 joint is disconnected is arranged in the sealing ring groove B (1001).
10. The use method of the gas-liquid disconnecting device with the function of preventing the wrong insertion for the space experiment cabinet as claimed in any one of claims 1 to 9 is characterized in that: when the male connector is in matched butt joint with the female connector, one end of the straight-through type middle sleeve (12) is screwed in through trapezoidal thread matching with the other end of the male valve sleeve (4), the other end of the guide shaft (10) is abutted against 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 against 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; and the butt-jointed disconnected male valve (3) and the sliding sleeve (11) are respectively reset through a male valve pressure spring (6) and a sliding sleeve pressure spring (13), and are respectively connected with the male valve sleeve (4) and the sliding sleeve (11) in a sealing manner, so that 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 | Space experiment cabinet gas-liquid connector with misplug preventing function and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810620149.8A CN110608328B (en) | 2018-06-15 | Space experiment cabinet gas-liquid connector with misplug preventing function and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110608328A true CN110608328A (en) | 2019-12-24 |
| CN110608328B CN110608328B (en) | 2024-06-21 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819325A (en) * | 2021-08-23 | 2021-12-21 | 中航光电科技股份有限公司 | Quick connector with pressure relief function |
Citations (8)
| 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 |
| WO1998016773A1 (en) * | 1996-10-15 | 1998-04-23 | Nyberg, Bo, Erik | Coupling member |
| CN201575258U (en) * | 2010-02-01 | 2010-09-08 | 中国北方车辆研究所 | Low-voltage pipeline quick 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 |
| CN103162035A (en) * | 2011-12-12 | 2013-06-19 | 常州市永春机电设备有限公司 | Quick butt joint |
| CN103292101A (en) * | 2013-06-27 | 2013-09-11 | 中国北方车辆研究所 | Quick connector of low pressure pipeline |
| CN104864209A (en) * | 2015-05-20 | 2015-08-26 | 山东航天电子技术研究所 | Big-caliber on-orbit maintenance fluid path breaking connector |
| 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 |
Patent Citations (8)
| 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 |
| WO1998016773A1 (en) * | 1996-10-15 | 1998-04-23 | Nyberg, Bo, Erik | Coupling member |
| CN201575258U (en) * | 2010-02-01 | 2010-09-08 | 中国北方车辆研究所 | Low-voltage pipeline quick 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 |
| CN103162035A (en) * | 2011-12-12 | 2013-06-19 | 常州市永春机电设备有限公司 | Quick butt joint |
| CN103292101A (en) * | 2013-06-27 | 2013-09-11 | 中国北方车辆研究所 | Quick connector of low pressure pipeline |
| CN104864209A (en) * | 2015-05-20 | 2015-08-26 | 山东航天电子技术研究所 | Big-caliber on-orbit maintenance fluid path breaking connector |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 高振国等: "神舟飞船液路、气路快速断接器的设计", 《航天器工程》, no. 04, 15 December 2004 (2004-12-15), pages 56 - 64 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819325A (en) * | 2021-08-23 | 2021-12-21 | 中航光电科技股份有限公司 | Quick connector with pressure relief function |
| 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 |
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