CN219120052U - Self-sealing quick-filling joint assembly - Google Patents
Self-sealing quick-filling joint assembly Download PDFInfo
- Publication number
- CN219120052U CN219120052U CN202320104693.3U CN202320104693U CN219120052U CN 219120052 U CN219120052 U CN 219120052U CN 202320104693 U CN202320104693 U CN 202320104693U CN 219120052 U CN219120052 U CN 219120052U
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- protective cover
- piston
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- 238000007789 sealing Methods 0.000 title claims abstract description 63
- 230000001681 protective effect Effects 0.000 claims abstract description 46
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 abstract description 17
- 239000012535 impurity Substances 0.000 abstract description 7
- 230000008407 joint function Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- 230000006378 damage Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 fire protection Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model belongs to the technical field of pipeline connectors and discloses a self-sealing quick-filling connector assembly which comprises a first connector and a protective cover, wherein the first connector comprises a first connector main body and a first connector piston, a first cavity and a second cavity are communicated in the first connector main body, and the first connector piston can be arranged in the first connector main body in a reciprocating manner so as to control the on-off of the first cavity and the second cavity; the visor includes the visor body that can screw thread sealing connection in first joint main part, is equipped with the visor inner chamber of the first cavity of intercommunication in the visor body, utilizes the visor to connect first joint, has solved current joint and has not taken the visor, and impurity is piled up and is influenced first joint function, and bumps easily by mistake and open the problem that makes gas-liquid leak, through threaded connection visor and first joint, the structure is succinct and be difficult for dropping.
Description
Technical Field
The utility model relates to the technical field of pipeline connectors, in particular to a self-sealing quick-filling connector assembly.
Background
In a pipeline system using oil, gas, water and the like as media, a self-sealing quick-filling joint is often used for realizing quick disconnection or connection of a pipeline, such as a high-pressure gas-filled or liquid-filled fire extinguisher, a respirator, an oil pump truck and the like, and the convenience and the safety performance of the self-sealing quick-filling joint are paid attention to along with the wide use of the self-sealing quick-filling joint assembly in industries such as medical treatment, petroleum, fire protection, natural gas and the like.
In the prior art, most self-sealing quick-filling joint assemblies are not provided with protective covers, after equipment is filled with media such as gas and liquid, two joint positions are directly exposed in the air, impurities are easy to enter the joint positions to influence the functions of the self-sealing quick-filling joint assemblies, meanwhile, the self-sealing quick-filling joint assemblies are easy to touch the joint by mistake to cause gas-liquid leakage, and the safety is difficult to guarantee. In addition, the self-sealing quick-filling connector assembly which is connected by the clamping ball is mostly adopted in the industry, the structure is complex, the clamping ball is easy to appear, the connector is not locked, the self-sealing quick-filling connector assembly is easy to fall off in the actual use process, high-pressure injury events are easy to occur, and the safety performance of equipment is difficult to guarantee.
Accordingly, there is a need for an apparatus that solves the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a self-sealing quick-filling joint assembly, which can prevent misoperation, prevent impurities from entering and affecting the function of a first joint, ensure the safety performance of equipment, and has a simple, safe and reliable structure and is not easy to fall.
To achieve the purpose, the utility model adopts the following technical scheme: the self-sealing quick-filling joint assembly comprises a first joint and a protective cover, wherein the first joint comprises a first joint main body and a first joint piston, a first cavity and a second cavity which can be communicated are formed in the first joint main body, and the first joint piston can be arranged in the first joint main body in a reciprocating manner so as to control the on-off of the first cavity and the second cavity;
the protective cover comprises a protective cover body which can be connected with the first joint main body in a threaded sealing mode, and a protective cover inner cavity which is communicated with the first cavity is formed in the protective cover body.
Preferably, a protective cover inner ring is arranged in the protective cover inner cavity, the protective cover inner ring is of a hollow structure, and one end of the protective cover inner ring is sealed, inserted and blocked in the first cavity in a plugging manner to form a sealed cavity.
Preferably, the protective cover body is provided with a plurality of second pressure relief holes communicated with the inner cavity of the protective cover and the outside.
Preferably, the protective cover body is provided with a plurality of second pressure relief holes at intervals.
Preferably, the first joint further comprises a first joint spring, one end of the first joint spring is fixed in the second cavity, and the other end of the first joint spring abuts against the end part of the first joint piston.
Preferably, the second connector further comprises a second connector nut, a second connector core and a second connector piston, the second connector nut is in threaded connection with the first connector body, the second connector nut is provided with a nut inner cavity capable of being communicated with the first cavity and a first pressure relief hole communicated with the nut inner cavity, the second connector core penetrates through the nut inner cavity and is in butt joint with the inner wall of the nut inner cavity, a third cavity and a fourth cavity which are communicated with each other can be formed in the second connector core, and the second connector piston is capable of being arranged in the second connector core in a reciprocating mode so as to control the on-off of the third cavity and the fourth cavity.
Preferably, the second joint further comprises a second joint spring, one end of the second joint spring is fixed in the fourth chamber, and the other end of the second joint spring abuts against the end of the second joint piston.
Preferably, the elastic coefficient of the first joint spring is larger than the elastic coefficient of the second joint spring.
Preferably, a first sealing part is arranged at the communication part of the first chamber and the second chamber, and the first joint piston can be abutted to the first sealing part so as to control the on-off of the first chamber and the second chamber.
Preferably, a second sealing part is arranged at the communication part of the third chamber and the fourth chamber, and the second joint piston can be abutted against the second sealing part so as to control the on-off of the third chamber and the fourth chamber.
The beneficial effects are that: the self-sealing quick-filling joint assembly comprises a first joint and a protective cover, wherein the protective cover is connected to the input end of the first joint when the self-sealing quick-filling joint assembly is idle, and the problems that the existing joint is free of the protective cover, impurities fall into the input end to affect the functions of the existing joint, and gas and liquid are easy to leak due to mistouch and open are solved.
The first connector comprises a first connector main body and a first connector piston, a first cavity and a second cavity which are communicated are formed in the first connector main body, the first connector piston penetrates through the first cavity and the second cavity, and the on-off of the first cavity and the second cavity can be controlled.
The visor includes threaded connection in the visor body of first joint main part, is equipped with the visor inner chamber of intercommunication first cavity in the visor body, through threaded connection visor and first joint, simple structure, safe and reliable and be difficult for dropping.
Drawings
FIG. 1 is a schematic view of a first joint according to the present utility model;
FIG. 2 is a schematic view of a second joint according to the present utility model;
FIG. 3 is a first connection diagram of a first connector and a second connector according to the present utility model;
FIG. 4 is a second diagram of the connection between the first connector and the second connector provided by the present utility model;
FIG. 5 is a third connection diagram of the first joint and the second joint according to the present utility model;
fig. 6 is a schematic structural view of the protective cover provided by the present utility model.
In the figure: 1. a first joint; 10. a first chamber; 11. a second chamber; 12. a first sealing part; 13. a first joint spring; 14. a first joint piston; 15. a first pushing part; 16. a first joint O-ring; 17. a first joint fixing part;
2. a second joint; 20. a second coupling nut; 21. a nut cavity; 22. a first pressure relief vent; 23. a second joint core; 24. a third chamber; 25. a fourth chamber; 26. a second sealing part; 27. a second joint spring; 28. a second joint piston; 29. a second pushing part; 2a, a second joint fixing part;
3. a protective cover; 30. a protective cover inner cavity; 31. a protective cover inner ring; 32. and a second pressure relief hole.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
As shown in fig. 1-6, the self-sealing quick-filling joint assembly provided by the utility model comprises a first joint 1, a second joint 2 and a protective cover 3, wherein in an idle state, the input end of the first joint 1 is connected by the protective cover 3 to prevent false collision, leakage or impurity entering and influence the normal function of the first joint, when the air/liquid operation is required, the input end of the first joint 1 is connected with the output end of the second joint 2, the output end of the first joint 1 is connected with a high-pressure container, and the input end of the second joint 2 is connected with a medium pipeline, so that a channel for inflating/liquid to the high-pressure container is formed.
In this embodiment, all realize connecting through the screw thread between first joint 1 and visor 3, second joint 2 and the high pressure vessel and between second joint 2 and the medium pipeline, the structure is succinct and safe and reliable, be difficult for droing, can effectively avoid connecting the accident that drops and cause.
As shown in fig. 1, the first joint 1 includes a first joint body, a first chamber 10 and a second chamber 11 which are communicated are formed inside the first joint body, a first sealing part 12 is arranged at a communication part of the first chamber 10 and the second chamber 11, a first joint spring 13 and a first joint piston 14 are arranged in the first joint body, one end of the first joint spring 13 is fixed in the second chamber 11, the other end of the first joint spring is abutted to the end part of the first joint 1 piston 14, the first joint piston 14 is arranged in the first chamber 10 and the second chamber 11 in a penetrating manner, and in a state of not being connected with the second joint 2, the first joint piston 14 is contacted with the first sealing part 12 under the action of the first joint spring 13, so that the first chamber 10 and the second chamber 11 are separated. By the above structure, the sealing of the first joint 1 in the idle state is realized, the gas/liquid leakage in the high-pressure container is prevented from causing harm, and simultaneously, the entry of impurities can be prevented.
In this embodiment, the first joint 1 further includes a first joint O-ring 16, and the first joint O-ring 16 is disposed in a groove in an inner wall of the first chamber 10, so as to achieve sealing when the first joint 1 and the second joint 2 are connected.
In other embodiments, the first connector O-ring 16 may be replaced with a bayonet or screw-like structure that also provides a sealing effect.
For example, in this embodiment, the first joint piston 14 has a conical structure, in order to facilitate pushing the first joint piston 14, a first pushing portion 15 is connected to the top of the cone, correspondingly, a first sealing portion 12 is provided at the communication position between the first chamber 10 and the second chamber 11, and can be in sealing contact with the conical surface of the first joint piston 14 to form a seal, so that the seal between the first joint piston 14 and the first sealing portion 12 is achieved, and in use, the first pushing portion 15 pushing the top of the arrow moves the first joint piston 14 backward, so that the first chamber 10 communicates with the second chamber 11.
Preferably, the first joint piston 14 is provided with a seal ring on a contact surface with the first sealing part 12 to more effectively achieve sealing between the first joint piston 14 and the first sealing part 12, preventing communication between the first chamber 10 and the second chamber 11 from causing unexpected leakage of high pressure gas/liquid.
Further, the first joint 1 further comprises a first joint fixing part 17, the first joint fixing part 17 penetrates through the first joint spring 13 to push the first joint piston 14 to move backwards until abutting against the first joint fixing part 17, and the first chamber 10 and the second chamber 11 are completely communicated at the moment.
As shown in fig. 2, the second joint 2 includes a second joint nut 20, a second joint core 23, a second joint spring 27, and a second joint piston 28, the second joint nut 20 has a hollow structure, when the second joint 2 is connected to the first joint 1, the nut inner chamber 21 can communicate with the first chamber 10, the second joint core 23 is inserted into the nut inner chamber 21 and abuts against the inner wall of the nut inner chamber 21, the second joint core 23 is internally provided with a third chamber 24 and a fourth chamber 25 which communicate with each other, one end of the second joint spring 27 is fixed to the fourth chamber 25, the other end abuts against the end of the second joint piston 28, the second joint piston 28 is reciprocatingly provided in the third chamber 24 and the fourth chamber 25, and likewise, a second sealing portion 26 is provided at the communication point between the third chamber 24 and the fourth chamber 25, and the second joint piston 28 can be contacted with the second abutting portion to separate the third chamber 24 and the fourth chamber 25 in a state of not being connected to the first joint 1. Through the structure, when the second connector 2 is not completely connected with the first connector 1, gas/liquid enters the fourth cavity 25 through the medium pipeline and then is blocked, so that resource waste is effectively prevented, and the practicability of the device is improved.
In this embodiment, the second joint piston 28 is also in a conical structure, and a second pushing portion 29 is connected to the top of the cone to facilitate pushing the second joint piston 28, and correspondingly, a second sealing portion 26 is disposed at the communication position between the third chamber 24 and the fourth chamber 25, and can be in sealing contact with the conical surface of the second joint piston 28 to form a seal between the second joint piston 28 and the second sealing portion 26, and in use, the second pushing portion 29 is pushed to move the second joint piston 28 backward, so that the third chamber 24 is communicated with the fourth chamber 25.
Further, a sealing ring is also arranged on the contact surface of the second joint piston 28 and the second sealing part 26, so that the sealing between the second joint piston 28 and the second sealing part 26 is realized more effectively, and the communication between the third chamber 24 and the fourth chamber 25 is prevented from causing accidental leakage of high-pressure gas/liquid.
Further, the second connector 2 further includes a second connector fixing portion 2a, where the second connector fixing portion 2a is inserted into the second connector spring 27 to push the second connector piston 28 to move backward until abutting against the second connector fixing portion 2a, which indicates that the third chamber 24 and the fourth chamber 25 are completely communicated.
In this embodiment, the elastic coefficient of the first joint spring 13 is set to be larger than that of the second joint spring 27, and when the first joint 1 and the second joint 2 are connected, the first joint piston 14 and the second joint piston 28 interact, so that the second joint piston 28 moves backward first, and further, the third chamber 24 and the fourth chamber 25 are communicated, and when the second joint piston 28 abuts against the second joint fixing part 2a, the first joint piston 14 starts to move backward, and further, the first chamber 10 and the second chamber 11 are communicated, so that a passage for inflating/inflating the high-pressure container is formed.
When the first joint 1 and the second joint 2 are connected, the second joint nut 20 is screwed in, as shown in fig. 3, the second joint core 23 contacts and seals the first joint O-ring 16, the first chamber 10 and the third chamber 24 are communicated to form a closed chamber, when the first joint 1 and the second joint 2 are not connected in place, the second joint 2 and the first joint 1 form a closed chamber, so that gas and liquid cannot leak in the sealed chamber, the second joint nut 20 is screwed in continuously, the second pushing part 29 is abutted to the first pushing part 15, the second joint piston 28 is sequentially moved due to the small elastic coefficient of the second joint spring 27, as shown in fig. 4, the first chamber 10 is communicated with the third chamber 24 and the fourth chamber 25 until the second joint piston 28 is abutted to the second joint fixing part 2a, the first joint piston 14 starts to move backwards, the first chamber 10 is abutted to the second chamber 11, the third chamber 24 and the fourth chamber 25 until the first joint piston 14 is abutted to the first joint fixing part 17, and a high-pressure container is formed.
Preferably, the second joint nut 20 is provided with a first pressure relief hole 22 which is communicated with the inner cavity 21 of the nut and the outside, when the second joint 2 is disassembled, the second joint nut 20 is screwed backwards, because the elastic coefficient of the first joint spring 13 is larger than that of the second joint spring 27, the first joint piston 14 is firstly separated from the first joint fixing part 17 to be in situ to finish self-sealing, so that gas/liquid in the high-pressure container is not leaked, then the second joint piston 28 is separated from the second joint fixing part 2a to be in situ to finish self-sealing of the second joint 2, the gas/liquid channel is closed, a small amount of gas is trapped between the first chamber 10 and the third chamber 24 at the moment, the second joint nut 20 is continuously screwed backwards, as shown in fig. 5, the second joint core 23 is separated from the first joint O-shaped ring 16, the closed chamber formed by the first chamber 10 and the third chamber 24 is opened, a small amount of trapped gas is discharged through the first pressure relief hole 22 on the second joint nut 20 to finish pressure relief, and the second joint 2 is safely disassembled. By arranging the first pressure relief hole 22, high pressure injury accidents caused by dismantling the second joint 2 are avoided, and the safety performance of the device is improved.
Optionally, a plurality of first pressure relief holes 22 communicating with the inner cavity 21 of the nut and the outside may be formed on the second coupling nut 20 at intervals, so as to improve pressure relief efficiency.
The self-sealing quick-filling connector assembly provided by the utility model further comprises a protective cover 3, as shown in fig. 6, the protective cover 3 comprises a body, a protective cover inner cavity 30 is formed in the protective cover 3 body, a protective cover inner ring 31 is arranged in the protective cover inner cavity 30, the protective cover inner ring 31 is of a cylindrical structure with one end open, a space can be reserved for the first connector piston 14, and misoperation and impurity entering can be avoided through the arrangement of the protective cover 3.
Illustratively, when the inflation/fluid operation is completed, the protective cap 3 is attached to the first fitting 1 and the inner cap ring 31 sealingly contacts the first fitting O-ring 16, thereby forming a sealed cavity between the first chamber 10 and the inner cap cavity 30, preventing leakage of residual gas/fluid within the first fitting 1.
Preferably, the protecting cover 3 is further provided with a second pressure relief hole 32 communicated with the inner cavity 30 of the protecting cover and the outside, when the protecting cover 3 is required to be opened for inflation/liquid or maintenance, the protecting cover 3 is screwed backwards, the inner ring 31 of the protecting cover is separated from the first connector O-shaped ring 16, the airtight cavity between the inner cavity 30 of the protecting cover and the first cavity 10 is communicated with the outside through the first pressure relief hole 22, when residual pressure gas/liquid in the airtight cavity is discharged through the first pressure relief hole 22, and then the protecting cover 3 is screwed backwards and removed, so that accidents of high-pressure gas/liquid injury can be avoided, and the safety performance of the self-sealing quick-filling connector assembly is improved.
Optionally, a plurality of second pressure relief holes 32 communicating with the inner cavity 30 of the protective cover and the outside may be formed on the body of the protective cover 3 at intervals, so as to improve pressure relief efficiency.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The self-sealing quick-filling joint assembly is characterized by comprising a first joint (1) and a protective cover (3), wherein the first joint (1) comprises a first joint main body and a first joint piston (14), a first chamber (10) and a second chamber (11) which can be communicated are formed inside the first joint main body, and the first joint piston (14) can be arranged inside the first joint main body in a reciprocating manner so as to control the on-off of the first chamber (10) and the second chamber (11);
the protective cover (3) comprises a protective cover body which can be connected with the first joint main body in a threaded sealing mode, and a protective cover inner cavity (30) which is communicated with the first cavity (10) is formed in the protective cover body.
2. The self-sealing quick-filling joint assembly according to claim 1, wherein a protective cover inner ring (31) is arranged in the protective cover inner cavity (30), the protective cover inner ring (31) is of a hollow structure, and one end of the protective cover inner ring is sealed, inserted and plugged in the first chamber (10) in a plugging manner to form a sealed cavity.
3. The self-sealing quick-fill connector assembly according to claim 2, wherein the protective cover body is provided with a second pressure relief hole (32) communicating with the protective cover inner cavity (30) and the outside.
4. A self-sealing quick connector assembly according to claim 3, wherein the protective cover body is provided with a plurality of second pressure relief holes (32) at intervals.
5. Self-sealing quick-fill coupling assembly according to claim 1, characterized in that the first coupling (1) further comprises a first coupling spring (13), one end of the first coupling spring (13) being fixed inside the second chamber (11) and the other end abutting against the end of the first coupling piston (14).
6. The self-sealing quick-filling joint assembly according to claim 1, further comprising a second joint (2), wherein the second joint (2) comprises a second joint nut (20), a second joint core (23) and a second joint piston (28), the second joint nut (20) is in threaded connection with the first joint body, the second joint nut (20) is provided with a nut inner cavity (21) capable of being communicated with the first cavity (10) and a first pressure relief hole (22) communicated with the nut inner cavity (21), the second joint core (23) is penetrated into the nut inner cavity (21) and is abutted with the inner wall of the nut inner cavity (21), a third cavity (24) and a fourth cavity (25) which are communicated can be formed inside the second joint core (23), and the second joint piston (28) is arranged inside the second joint core (23) in a reciprocating manner so as to control the on-off state of the third cavity (24) and the fourth cavity (25).
7. Self-sealing quick-fill coupling assembly according to claim 6, characterized in that the second coupling (2) further comprises a second coupling spring (27), one end of the second coupling spring (27) being fixed to the fourth chamber (25) and the other end abutting against the end of the second coupling piston (28).
8. Self-sealing quick-fill joint assembly according to claim 7, characterized in that the spring rate of the first joint spring (13) is greater than the spring rate of the second joint spring (27).
9. Self-sealing quick-fill joint assembly according to any of claims 1-8, characterized in that a first sealing part (12) is provided at the communication between the first chamber (10) and the second chamber (11), and that the first joint piston (14) can abut against the first sealing part (12) to control the on-off of the first chamber (10) and the second chamber (11).
10. Self-sealing quick-fill joint assembly according to any of claims 6-8, characterized in that a second sealing part (26) is provided at the communication between the third chamber (24) and the fourth chamber (25), and that the second joint piston (28) can abut against the second sealing part (26) to control the on-off of the third chamber (24) and the fourth chamber (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320104693.3U CN219120052U (en) | 2023-01-31 | 2023-01-31 | Self-sealing quick-filling joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320104693.3U CN219120052U (en) | 2023-01-31 | 2023-01-31 | Self-sealing quick-filling joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219120052U true CN219120052U (en) | 2023-06-02 |
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ID=86532806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320104693.3U Active CN219120052U (en) | 2023-01-31 | 2023-01-31 | Self-sealing quick-filling joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219120052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231829A (en) * | 2023-11-15 | 2023-12-15 | 太仓濂辉液压器材有限公司 | Explosion-proof and leak-proof high-pressure oil pipe assembly |
-
2023
- 2023-01-31 CN CN202320104693.3U patent/CN219120052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231829A (en) * | 2023-11-15 | 2023-12-15 | 太仓濂辉液压器材有限公司 | Explosion-proof and leak-proof high-pressure oil pipe assembly |
| CN117231829B (en) * | 2023-11-15 | 2024-01-30 | 太仓濂辉液压器材有限公司 | Explosion-proof and leak-proof high-pressure oil pipe assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Self sealing fast charging connector assembly Granted publication date: 20230602 Pledgee: Fumin Sub branch of Bank of Shanghai Co.,Ltd. Pledgor: ZHEFU INTELLIGENT SYSTEM (SHANGHAI) Co.,Ltd. Registration number: Y2024980003868 |