CN113700961B - Safe quick connector for nuclear power - Google Patents
Safe quick connector for nuclear power Download PDFInfo
- Publication number
- CN113700961B CN113700961B CN202111084951.8A CN202111084951A CN113700961B CN 113700961 B CN113700961 B CN 113700961B CN 202111084951 A CN202111084951 A CN 202111084951A CN 113700961 B CN113700961 B CN 113700961B
- Authority
- CN
- China
- Prior art keywords
- spring
- sleeve
- inner sleeve
- socket body
- outer sleeve
- 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.)
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Links
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000007789 sealing Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 238000013268 sustained release Methods 0.000 description 2
- 239000012730 sustained-release form Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing 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
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
Landscapes
- 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 the technical field of quick connectors, in particular to a safe quick connector for nuclear power, which comprises a socket and a plug, wherein the socket comprises an outer sleeve component, an inner sleeve component, a socket body, an inner valve component and a connector; the outer sleeve assembly comprises an outer sleeve and an outer sleeve spring, the inner sleeve assembly comprises an inner sleeve and an inner sleeve spring, the socket body comprises a socket body, and the inner valve assembly comprises a valve clack, an inner valve spring and a valve seat; the invention can realize the quick cut-off of the quick connector in three states of safe connection, safe pressure relief and disconnection, and the first-order natural frequency of the quick connector is more than 35Hz, so that the quick connector has good anti-seismic performance.
Description
Technical Field
The invention relates to the technical field of quick connectors, in particular to a safe quick connector for nuclear power, which is suitable for a gas pipeline, can relieve pressure before disconnection, and effectively prevents the damage to people caused by throwing due to residual pressure after the disconnection of the pipeline.
Background
The quick connector has the characteristics of quick connection and disconnection, and is widely applied to conveying pipelines which need frequent plugging. Along with the development of society, many engineering projects, equipment and equipment require quick connectors to have the function of quick connection and disconnection, and also require the quick connectors to have the characteristics of safety, shock resistance, high stability and the like, particularly the quick connectors used for gas systems in nuclear power stations, require the quick connectors to meet the requirement of shock resistance I class when in operation, have zero leakage rate, can be decompressed first and then disconnected when disconnected, prevent the risk of injury caused by the residual pressure, and work is safe and reliable. Practice shows that the existing joint structure is difficult to meet the requirements.
Disclosure of Invention
In order to solve the technical problems, the invention provides the safe and quick connector for the nuclear power, which not only can realize the functions of quick connection and disconnection, but also has the advantages of high shock resistance, safe pressure relief and more stable operation.
The invention is realized in such a way that the safe and quick connector for nuclear power comprises a socket and a plug, and is characterized in that the socket comprises an outer sleeve component, an inner sleeve component, a socket body, an inner valve component and a connector;
the outer sleeve assembly comprises an outer sleeve and an outer sleeve spring, the inner sleeve assembly comprises an inner sleeve and an inner sleeve spring, the socket body comprises a socket body, and the inner valve assembly comprises a valve clack, an inner valve spring and a valve seat;
The socket comprises an outer sleeve, an outer sleeve spring, a first movable clamping structure, a socket body, a connector, a valve seat, a valve clack, a valve seat and a valve seat, wherein the outer sleeve is arranged on the outer side of the inner sleeve;
One end of the plug is an annular plane end, one side, close to the annular plane end, of the outer circular surface of the plug is provided with a sealing surface, the outer circular surface, close to the sealing surface, of the plug is provided with a positioning surface, the positioning surface is provided with a positioning groove, the positioning groove is used for being clamped with a third movable clamping structure, the outer circular surface, close to the positioning surface, of the plug is provided with a long trapezoid groove-shaped guiding positioning groove, and the guiding positioning groove is used for being clamped with a second movable clamping structure.
Preferably, the first movable clamping structure comprises a button, a block and a block spring, a groove is formed in the outer side of the inner sleeve, the block spring is arranged in the groove, the outer side of the block spring is connected with the block, a through hole is formed in a corresponding position on the outer sleeve, the button is movably clamped in the through hole, and the diameter of the bottom surface of the button is larger than that of the block.
Further preferably, the second movable clamping structure comprises a plurality of first-stage steel balls, a plurality of through holes which are gradually reduced from outside to inside are formed in the inner sleeve along one circumference of the inner sleeve, one first-stage steel ball is movably clamped in each through hole, the outer side of the first-stage steel ball is propped against the inner wall of the outer sleeve, the minimum diameter of the through hole is smaller than the diameter of the first-stage steel ball, and the maximum diameter of the through hole is larger than the diameter of the first-stage steel ball.
Further preferably, a primary snap spring is arranged on the outer side of the end part of the inner sleeve, and the end part of the outer sleeve is clamped on the primary snap spring.
Further preferably, the third movable clamping structure comprises a plurality of second-stage steel balls, a plurality of through holes which are gradually reduced from outside to inside are formed in the socket body along one circumference of the socket body, each through hole is movably clamped with one second-stage steel ball, the outer side of each second-stage steel ball is propped against the inner wall of the inner sleeve, the minimum diameter of each through hole is smaller than the diameter of each second-stage steel ball, and the maximum diameter of each through hole is larger than the diameter of each second-stage steel ball.
Further preferably, a second-stage clamp spring is arranged on the outer side of the end part of the socket body, a bulge is arranged on the inner wall of the inner sleeve, and the bulge is clamped on the second-stage clamp spring.
Further preferably, the internal valve assembly further comprises a guide block, the guide block is mounted at one end, far away from the internal valve spring, of the valve clack, the guide block is of a cross structure, and the outer side of the cross structure of the guide block is attached to the inner wall of the socket body.
Further preferably, a plug connector is provided at an end of the plug remote from the annular planar end.
Further preferably, a plurality of slow release holes are provided in the outer sleeve, the inner sleeve, and the socket body, respectively.
Compared with the prior art, the invention has the advantages that:
1. The outer sleeve assembly and the inner sleeve assembly are arranged in the socket, the positioning groove and the guiding positioning groove are arranged on the plug, the safe quick connector for nuclear power realizes three states of safe connection, safe pressure relief and disconnection, ensures the convenience of quick connection and quick disconnection, realizes the disconnection pressure relief function, and ensures the operation safety during disconnection;
2. when the safe quick connector for nuclear power is safely connected, the socket and the plug are in sealing connection and have primary complete constraint and secondary guide constraint, and the structure is in a locking state, so that structural micro-deformation caused by fluid impact and vibration during working is reduced, the overall rigidity of the safe quick connector for nuclear power is improved, the shock resistance and the working stability of the safe quick connector for nuclear power are improved, and the sealing effect of the safe quick connector for nuclear power during working is improved;
3. the valve clack is provided with the guide block with the cross-shaped outer circular side edge, the cross-shaped outer circular side edge of the guide block is attached to the inner circular surface of the socket body during safe connection, safe decompression and disconnection, fluid in the inner cavity is quartered through the cross-shaped guide plate, the excitation benefit of the fluid passing through the variable-size section is reduced, the bending deformation and torsional deformation of the inner valve assembly under vibration and impact are reduced, the first-order natural frequency of the inner valve assembly is improved, the safe quick connector for nuclear power is more stable during operation, the sealing effect and the shock resistance of the safe quick connector for nuclear power are improved, and the noise generated during operation is reduced;
4. the socket body, the inner sleeve and the outer sleeve are provided with the slow release holes, the slow release hole diameter of the inner sleeve is larger than that of the socket body and the slow release hole of the outer sleeve, and the slow release holes of the inner sleeve are designed with variable diameters, so that when the safe quick connector for nuclear power is switched to a safe pressure release state, noise and impact vibration generated when fluid is released through the slow release holes are reduced.
5. The special design structure of the outer sleeve assembly and the inner sleeve assembly ensures that the operation of the safe quick connector for nuclear power is two steps of pushing the outer sleeve and pressing the button, and the safe quick connector for nuclear power cannot be disconnected when misoperation or operation sequence is not performed, so that the safety of the safe quick connector for nuclear power when the working state is switched is improved.
Drawings
The invention will be described in further detail with reference to the accompanying drawings and embodiments:
FIG. 1 is a schematic diagram of the overall structure of a safe and quick connector for nuclear power provided by the invention;
FIG. 2 is an enlarged schematic view of the socket of the present invention;
FIG. 3 is an enlarged schematic view of a plug according to the present invention;
FIG. 4 is a schematic view of the structure of the guide plate of the present invention;
fig. 5 is a schematic view of another angle of the guide plate of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, 2 and 3, the present invention provides a safe and quick connector for nuclear power, comprising a socket 10 and a plug 20, wherein the socket 10 comprises an outer sleeve assembly 110, an inner sleeve assembly 120, a socket body 130, an inner valve assembly 140 and a connector 150;
The outer sleeve assembly 110 includes an outer sleeve 111 and an outer sleeve spring 112, the inner sleeve assembly 120 includes an inner sleeve 124 and an inner sleeve spring 123, the socket body 130 includes a socket body 131, and the inner valve assembly 140 includes a valve flap 142, an inner valve spring 143, and a valve seat 144;
The outer sleeve 111 is arranged on the outer side of the inner sleeve 124, the outer sleeve spring 112 is arranged on the inner side wall of the outer sleeve 111, one end of the outer sleeve spring 112 is connected with the outer sleeve 111, the other end of the outer sleeve spring 112 is connected with the inner sleeve 124, a first movable clamping structure is arranged between the outer sleeve 111 and the inner sleeve 124, a second movable clamping structure which is movably clamped with the plug 20 is arranged on the inner sleeve 124, the socket body 131 is arranged on the inner side of the inner sleeve 124, one end of the inner sleeve spring 123 is connected with the inner sleeve 124, the other end of the inner sleeve spring 123 is connected with the socket body 131, a third movable clamping structure which is movably clamped with the plug 20 is arranged on the socket body 131, the joint 150 is detachably connected with the end of the socket body 131, the inner valve assembly 140 is arranged in a cavity formed by the joint 150 and the socket body 131, the valve seat 144 is connected with the joint 150, one end of the inner valve spring 143 is connected with the valve seat 144, the other end of the inner valve spring 143 is connected with the valve clack 142, and the valve clack 142 is propped against the inner wall of the socket body 131;
One end of the plug 20 is an annular plane end 201, a sealing surface 202 is arranged on one side, close to the annular plane end 201, of the outer circular surface of the plug 20, a positioning surface is arranged on the outer circular surface, close to the sealing surface 202, a positioning groove 203 is arranged on the positioning surface, the positioning groove 203 is used for being clamped with a third movable clamping structure, a long trapezoid groove-shaped guiding positioning groove 204 is arranged on the outer circular surface, close to the positioning surface, and the guiding positioning groove 204 is used for being clamped with a second movable clamping structure.
When the safe quick connector for nuclear power is safely connected, the annular plane end 201 pushes the inner valve assembly 140 to be opened along the axial direction, the sealing surface 202 presses the inner side wall of the socket body 131 to realize sealing, in order to enhance the sealing, a groove is formed in the inner wall of the socket body 131, an O-shaped ring is arranged in the groove, and the sealing surface 202 presses the O-shaped ring during sealing; the inner sleeve 124 presses the third movable clamping structure arranged on the socket body 131 into the positioning groove 203 for primary fastening, and the outer sleeve 111 presses the second movable clamping structure arranged on the inner sleeve 124 into the guiding positioning groove 204 for secondary fastening;
When the safety quick connector for nuclear power is used for safely releasing pressure, the outer sleeve assembly 110 is pushed, at the moment, the inner sleeve assembly 120 and the outer sleeve assembly 110 are fixed together through the first movable clamping structure, so that the inner sleeve assembly 120 slides relative to the socket body 130, and the third movable clamping structure is separated from the positioning groove 203 of the plug 20, and the plug 20 is allowed to be separated outwards;
After the plug 20 is separated outwards for a certain distance, the valve clack 142 in the inner valve assembly is automatically closed under the action of the inner valve spring 143, so that the leakage of upstream compressed air is avoided;
The medium in the cavity of the plug 20 escapes and is decompressed through the socket body 131, the inner sleeve 124 and the outer sleeve 111;
When the plug 20 is separated to the other end of the second movable clamping structure and the guide positioning groove 204, the plug 20 is fixed, and the plug 20 is prevented from being directly separated from the socket 10 to cause the flick danger;
when the safety quick connector for nuclear power is disconnected, the first movable clamping structure is pressed, and the inner sleeve assembly 120 and the outer sleeve assembly 110 can be separated at the moment;
The outer sleeve 111 is pushed further so that the second movable latching structure is disengaged from the guide and positioning groove 204 of the plug 20, thereby separating the socket 10 from the plug 20.
As a specific implementation manner of the first movable clamping structure, the first movable clamping structure includes a button 113, a block 121 and a block spring 122, a groove is provided at the outer side of the inner sleeve 124, the block spring 122 is disposed in the groove, the outer side of the block spring 122 is connected with the block 121, a through hole is provided at a corresponding position on the outer sleeve 111, the button 113 is movably clamped in the through hole, and the diameter of the bottom surface of the button 113 is larger than the diameter of the block 121.
When the safety quick connector for nuclear power is disconnected, the button 113 is pressed downward so that the block 121 is moved downward, and the inner housing assembly 120 and the outer housing assembly 110 are separated at this time.
As a specific implementation manner of the second movable clamping structure, the second movable clamping structure includes a plurality of first-stage steel balls 125, a plurality of through holes which gradually shrink from outside to inside are formed in the inner sleeve 124 along one circumference of the inner sleeve 124, one first-stage steel ball 125 is movably clamped in each through hole, the outer side of the first-stage steel ball 125 is propped against the inner wall of the outer sleeve 111, the minimum diameter of the through hole is smaller than the diameter of the first-stage steel ball 125, and the maximum diameter of the through hole is larger than the diameter of the first-stage steel ball 125.
When the safety quick connector for nuclear power is disconnected, after the inner sleeve assembly 120 and the outer sleeve assembly 110 are separated, the outer sleeve 111 is further pushed, so that the primary steel balls 125 are separated from the guide positioning groove 204 of the plug 20, and the socket 10 and the plug 20 are separated.
For further limiting, a primary snap spring 126 is mounted on the outer side of the end portion of the inner sleeve 124, and the end portion of the outer sleeve 111 is clamped on the primary snap spring 126.
When the button 113 is not pressed, the outer sleeve 111 is tightly attached to the primary snap spring 126 of the inner sleeve assembly 120 under the pushing of the outer sleeve spring 112, and the block 121 is positioned at an upper position under the pushing of the block spring 122 and jointly acts with the button 113 to lock the outer sleeve assembly 110 and the inner sleeve assembly 120;
After the button 113 is pressed, the closely attached block 121 is pushed to move, so that the locking between the outer sleeve assembly 110 and the inner sleeve assembly 120 is released, and the outer sleeve assembly 110 and the inner sleeve assembly 120 can relatively slide; after releasing the button, the outer sleeve member 110 and the inner sleeve member 120 will return to the original positions under the urging force of the springs.
As a specific implementation manner of the third movable clamping structure, the third movable clamping structure includes a plurality of second-stage steel balls 132, a plurality of through holes gradually shrinking from outside to inside are formed in the socket body 131 along one circumference of the socket body 131, each through hole is movably clamped with one second-stage steel ball 132, the outer side of the second-stage steel ball 132 is propped against the inner wall of the inner sleeve 124, the minimum diameter of the through hole is smaller than the diameter of the second-stage steel ball 132, and the maximum diameter of the through hole is larger than the diameter of the second-stage steel ball 132.
When the safe quick connector for nuclear power is safely connected, the inner sleeve 120 presses the secondary steel balls 132 arranged in the holes of the socket body 130 into the positioning grooves 203 to realize primary fastening.
For further limiting, as an improvement of the technical scheme, a secondary snap spring 133 is installed on the outer side of the end portion of the socket body 131, and a protrusion is arranged on the inner wall of the inner sleeve 124 and is clamped on the secondary snap spring 133.
Referring to fig. 4 and 5, the internal valve assembly 140 further includes a guide block 141, the guide block 141 is mounted at one end of the valve clack 142 away from the internal valve spring 143, the guide block 141 has a cross structure, and the outer side of the cross structure of the guide block 141 is attached to the inner wall of the socket body 131.
When safety connection, safety pressure release and disconnection, the outside round side of guide block 141 cross all laminates with the interior round face of socket body 131, carries out the quartering to the fluid of inner chamber through the cross deflector, has reduced the excitation benefit of fluid through variable dimension cross-section, has reduced the bending deformation and the torsional deformation of internal valve subassembly under vibration and impact, has improved the first order natural frequency of internal valve subassembly for the nuclear power is more stable at the during operation with safe quick-operation joint, thereby has improved the sealed effect and the shock resistance of safe quick-operation joint for the nuclear power, has reduced the noise that the during operation produced.
For ease of connection, as an improvement of the solution, a plug connector 205 is provided at the end of the plug 20 remote from the annular planar head 201.
The joint 150 and the joint 205 on the plug 20 may be one of a flange, a welded joint, a threaded joint.
In order to increase the sustained release effect, as an improvement of the technical solution, a plurality of sustained release holes are provided on the outer sleeve 111, the inner sleeve 124, and the socket body 131, respectively. The diameter of the slow release hole on the inner sleeve 124 is larger than that of the socket body 131 and the slow release hole on the outer sleeve 111, and the slow release hole on the inner sleeve 124 adopts a variable diameter design, namely, the slow release hole on the inner sleeve 124 comprises a small diameter hole with an elliptical cross section and a large diameter hole with a circular cross section, the small diameter hole is positioned at the inner side, the large diameter hole is positioned at the outer side, and the two holes are in step transition.
Example 1,
According to the technical scheme, the nuclear power safety quick connector is manufactured according to the technical scheme, the first-order natural frequency of the nuclear power safety quick connector is tested to be 80.02Hz, the maximum stress under the combined action of 1.3 times of working pressure and earthquake load is 43.99MPa, and the helium leakage rate is less than 1 multiplied by 10 < -7 > Pa m < 3 >/s in the working state, so that the technical requirement of the nuclear power safety quick connector is met.
EXAMPLE 2,
According to the technical scheme, the nuclear power safety quick connector is manufactured according to the technical scheme, the first-order natural frequency of the nuclear power safety quick connector is 58.22Hz, the maximum stress under the combined action of 1.3 times of working pressure and earthquake load is 73.42MPa, the helium leakage rate is less than 1 multiplied by 10 < -7 > Pa m < 3 >/s in the working state, and the technical requirement of the nuclear power safety quick connector for nuclear power is met.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (9)
1. The safe and quick connector for the nuclear power comprises a socket (10) and a plug (20), and is characterized in that the socket (10) comprises an outer sleeve assembly (110), an inner sleeve assembly (120), a socket body (130), an inner valve assembly (140) and a connector (150);
the outer sleeve assembly (110) comprises an outer sleeve (111) and an outer sleeve spring (112), the inner sleeve assembly (120) comprises an inner sleeve (124) and an inner sleeve spring (123), the socket body (130) comprises a socket body (131), and the inner valve assembly (140) comprises a valve clack (142), an inner valve spring (143) and a valve seat (144);
The novel socket comprises an outer sleeve (111) and an inner sleeve (124), wherein the outer sleeve (111) is arranged on the outer side of the inner sleeve (124), an outer sleeve spring (112) is arranged on the inner side wall of the outer sleeve (111), one end of the outer sleeve spring is connected with the outer sleeve (111), the other end of the outer sleeve spring is connected with the inner sleeve (124), a first movable clamping structure is arranged between the outer sleeve (111) and the inner sleeve (124), a second movable clamping structure which is movably clamped with a plug (20) is arranged on the inner sleeve (124), a socket body (131) is arranged on the inner sleeve (124), one end of the inner sleeve spring (123) is connected with the inner sleeve (124), the other end of the inner sleeve spring is connected with the socket body (131), a third movable clamping structure which is movably clamped with the plug (20) is arranged on the socket body (131), a connector (150) is detachably connected with the end of the socket body (131), an inner valve assembly (140) is arranged in a cavity formed by the connector (150), a valve seat (144) is connected with the connector (150), one end of the inner valve spring (143) is connected with the valve seat (144), the other end of the inner valve seat (142) is connected with the valve seat (142), and the valve clack (142) is propped against the inner wall of the socket body (131).
One end of the plug (20) is an annular plane end head (201), one side, close to the annular plane end head (201), of the outer circular surface of the plug (20) is provided with a sealing surface (202), the outer circular surface, close to the sealing surface (202), is provided with a positioning groove (203), the positioning groove (203) is used for being clamped with a third movable clamping structure, the outer circular surface, close to the positioning surface, is provided with a long trapezoid groove-shaped guide positioning groove (204), and the guide positioning groove (204) is used for being clamped with a second movable clamping structure.
2. The safe and quick connector for nuclear power according to claim 1, wherein the first movable clamping structure comprises a button (113), a block (121) and a block spring (122), a groove is formed in the outer side of the inner sleeve (124), the block spring (122) is arranged in the groove, the outer side of the block spring (122) is connected with the block (121), through holes are formed in corresponding positions on the outer sleeve (111), the button (113) is movably clamped in the through holes, and the diameter of the bottom surface of the button (113) is larger than that of the block (121).
3. The safe quick connector for nuclear power according to claim 1, wherein the second movable clamping structure comprises a plurality of primary steel balls (125), a plurality of through holes which gradually shrink from outside to inside are formed in the inner sleeve (124) along one circumference of the inner sleeve (124), one primary steel ball (125) is movably clamped in each through hole, the outer side of the primary steel ball (125) is propped against the inner wall of the outer sleeve (111), the minimum diameter of the through holes is smaller than the diameter of the primary steel ball (125), and the maximum diameter of the through holes is larger than the diameter of the primary steel ball (125).
4. A safety quick connector for nuclear power according to claim 3, characterized in that a primary snap spring (126) is mounted on the outside of the end of the inner sleeve (124), and the end of the outer sleeve (111) is clamped on the primary snap spring (126).
5. The safe quick connector for nuclear power according to claim 1, wherein the third movable clamping structure comprises a plurality of secondary steel balls (132), a plurality of through holes which are gradually reduced from outside to inside are formed in the socket body (131) along one circumference of the socket body (131), each through hole is movably clamped with one secondary steel ball (132), the outer side of the secondary steel ball (132) is propped against the inner wall of the inner sleeve (124), the minimum diameter of the through hole is smaller than the diameter of the secondary steel ball (132), and the maximum diameter of the through hole is larger than the diameter of the secondary steel ball (132).
6. The safe and quick connector for nuclear power according to claim 5, wherein a secondary clamp spring (133) is mounted on the outer side of the end portion of the socket body (131), and a protrusion is arranged on the inner wall of the inner sleeve (124) and is clamped on the secondary clamp spring (133).
7. The safe and quick connector for nuclear power according to claim 1, wherein the inner valve assembly (140) further comprises a guide block (141), the guide block (141) is mounted at one end of the valve clack (142) far away from the inner valve spring (143), the guide block (141) is of a cross structure, and the outer side of the cross structure of the guide block (141) is attached to the inner wall of the socket body (131).
8. A safety quick connector for nuclear power according to claim 1, characterized in that a plug connector (205) is provided at the end of the plug (20) remote from the annular planar end (201).
9. The safety quick connector for nuclear power according to claim 1, wherein a plurality of slow release holes are provided in the outer sleeve (111), the inner sleeve (124), and the socket body (131), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111084951.8A CN113700961B (en) | 2021-09-16 | 2021-09-16 | Safe quick connector for nuclear power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111084951.8A CN113700961B (en) | 2021-09-16 | 2021-09-16 | Safe quick connector for nuclear power |
Publications (2)
| Publication Number | Publication Date |
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| CN113700961A CN113700961A (en) | 2021-11-26 |
| CN113700961B true CN113700961B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111084951.8A Active CN113700961B (en) | 2021-09-16 | 2021-09-16 | Safe quick connector for nuclear power |
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| CN111779908A (en) * | 2020-08-11 | 2020-10-16 | 宁波新邦科技有限公司 | Universal quick connector |
| CN215950720U (en) * | 2021-09-16 | 2022-03-04 | 中广核工程有限公司 | Safe quick-operation joint for nuclear power |
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2021
- 2021-09-16 CN CN202111084951.8A patent/CN113700961B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2427707Y (en) * | 2000-06-26 | 2001-04-25 | 谭锦镛 | Combustible gas quick connection device |
| CN201225476Y (en) * | 2008-06-14 | 2009-04-22 | 浙江大农实业有限公司 | Semiautomatic fast joint |
| CN201636477U (en) * | 2010-04-21 | 2010-11-17 | 浙江锦帆船舶配件制造有限公司 | Quick connector |
| CN205447063U (en) * | 2015-12-29 | 2016-08-10 | 宁波新邦工具有限公司 | Safe type quick -operation joint |
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| Publication number | Publication date |
|---|---|
| CN113700961A (en) | 2021-11-26 |
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