CN109268610A - A kind of directly-inserted quick connector - Google Patents
A kind of directly-inserted quick connector Download PDFInfo
- Publication number
- CN109268610A CN109268610A CN201811451841.9A CN201811451841A CN109268610A CN 109268610 A CN109268610 A CN 109268610A CN 201811451841 A CN201811451841 A CN 201811451841A CN 109268610 A CN109268610 A CN 109268610A
- Authority
- CN
- China
- Prior art keywords
- quick connector
- main component
- ring
- directly
- curved logical
- 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.)
- Pending
Links
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
- F16L43/00—Bends; Siphons
- F16L43/02—Bends; Siphons adapted to make use of special securing means
-
- 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
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
Abstract
The invention discloses a kind of directly-inserted quick connectors, curved logical main component including injection molding, one end of the curved logical main component is set as the threaded ends of metal material, the threaded ends are connect with vehicle-mounted valve body, the other end of curved logical main component is set as quick connector end, the quick connector end and the quickly dismantled connection of gas-guide tube.Present inventive concept is ingenious, and compact-sized rationally curved logical main component uses plastic material injection molding, greatly enhances the corrosion resistance of quick connector shape part；The design clamping of multi-claw type bail wire is secured, securely and reliably, when disassembly, is opened by the pressure ring of cooperation, convenient and efficient；The inside that end component is all mounted on main component is connect fastly, and shape is consistent, beautiful, realizes that the function of quick dispatch, security performance greatly promote under the premise of ensureing safety.
Description
Technical field
The present invention relates to joint technique field more particularly to a kind of directly-inserted quick connectors.
Background technique
Currently, there are two types of gas circuit quick connectors in the market: one kind is bamboo joint type connecting leg male and female connector, and locking makes
With；Another is directly-inserted quick connector, and for connector on commercial vehicle valve body, braking tracheae blank pipe is inserted into connector automatically lock
Connection.Directly-inserted quick connector in the market is also classified into two kinds by usage mode, and a kind of easily lock is easy to change up connection-peg, structure letter
Easily, the air circuit connection suitable for pneumatic equipment tooling, but it is not suitable for heavy truck commercial vehicle pneumatic braking system, there are easy disengagements, cause
Make the security risk of brake failure；One is the quick connector being not easy out is easily locked, its structure is complicated, and risk factor wants high.By material
Material, which is divided to, can also be divided into two kinds: a kind of metal body part adds the connector of rubber seal, and metalwork poor corrosion resistance is easily got rusty, easily
Assemble not easy to disassemble, there are greater risks for two-flap type bail wire and metal weldment；Another kind is that shape part is moulding, interior
Portion's part is metalwork, easily assembles quick detachable, but artificial or non-artificial tracheae easily occurs and falls off, there are security risks.
In existing directly-inserted quick connector, metalwork poor corrosion resistance is easily got rusty, and two-flap type bail wire adds spring locking type
Quick connector, two-flap type bail wire are easily dislocated, and clamping is made to fail, and there are larger security risks, and in addition profiled metal welds
Part exist because weld seam it is bad caused by gas leakage security risk；Eight flap-type integrally machine bail wire, and there are processing cost height, processing
Difficulty is big, using the risk of failure；Easy assembly easily detachable quick connector easily occurs artificial or non-artificial tracheae and falls off, and exists
Biggish security risk.
Summary of the invention
The object of the present invention is to provide a kind of directly-inserted quick connector, solve prior art quick connector be easily dislocated,
Situations such as gas leakage or tracheae fall off leads to the presence of serious security risk.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of directly-inserted quick connector of the present invention, the curved logical main component including injection molding, the one of the curved logical main component
End is set as the threaded ends of metal material, and the threaded ends are connect with vehicle-mounted valve body, the other end of curved logical main component
It is set as quick connector end, the quick connector end and the quickly dismantled connection of gas-guide tube.
Further, the quick connector end is provided with dottle pin, locating ring, bail wire, pressure ring and clamping sleeve, the dottle pin
Two sides be provided with the first sealing ring and the second sealing ring, first sealing ring, dottle pin and the second sealing ring are suitable from inside to outside
In the secondary interior stepped hole for being mounted on the quick connector end, close to second sealing ring on the outside of the locating ring is installed,
The bail wire is placed in the locating ring, the outer periphery of the bail wire is pressed on the locating ring by the clamping sleeve
Step surface on, the pressure ring is located in certain space by the clamping sleeve and is moved, convenient for bail wire cooperation unlock tear open
It unloads.
Further, the inner hole side wall when gas-guide tube connects along the pressure ring is directly inserted into the curved logical main body
The interior stepped hole bottom of part, contacted by first sealing ring, the second sealing ring with the periphery wall of the gas-guide tube realize it is close
Envelope realizes close connection by gas-guide tube described in the bail wire clamping.
Further, the bail wire is designed specifically to the multi-claw type becket of regular array, the multi-claw type metal
Ring includes the jag flexible locking piece of front end and the plate flange of rear end, the jag flexible locking piece and the air guide pipe clamp
Connection, the plate flange are pressed on the step surface of the locating ring by the clamping sleeve.
Further, the pawl number of the multi-claw type becket is specifically configured to six, eight, ten or 12.
Further, multilayer hangnail is provided on the outer peripheral surface of the clamping sleeve, the clamping sleeve passes through the hangnail
It is in clamping connection in the inner hole of the curved logical main component.
Further, a circle positioning bar and two platforms are provided in the inner hole at the quick connector end of the curved logical main component
The wall thickness of terrace, the recess width and the gas-guide tube that are formed between the positioning bar and the First terrace matches, institute
It states the first sealing ring, dottle pin and the second sealing ring to be mounted on First terrace, the locating ring is mounted on second step face.
Further, the threaded ends of the curved logical main component and screw thread turn to body hangnail press fitting connection group l-shaped
Structure, the screw thread turns to body and the root of the curved logical main component hangnail press fitting connection is provided with steering O-ring seal；It is described
Quick connector end when not in use, is connected with dust-proof fast slotting dust cap on its end face, and the screw thread that the screw thread turns to body connects
It connects and is connected with dust-proof threaded dust cap on the end face at end, the thread root of threaded ends is provided with screw thread O-ring seal.
Compared with prior art, advantageous effects of the invention:
Directly-inserted quick connector of the invention, the curved logical main component including injection molding, the spiral shell of one end of curved logical main component
Line connecting pin is connect with vehicle-mounted valve body, and the other end is set as the quick connector end with the quickly dismantled connection of gas-guide tube；Fast grafting
Head end includes double sealing circle, dottle pin, locating ring, bail wire, pressure ring and clamping sleeve component, with platform between locating ring and bail wire
The positioning of terrace central alignment, compresses between bail wire and clamping sleeve for plane, compresses positioning, pressure between clamping sleeve and locating ring
It is fixed to be connected and fixed between the curved logical main component of plastic material using hangnail bamboo joint type；Wherein the interior step surface of clamping sleeve is to pressure
Ring positioning, so that pressure ring has certain moving range.In use, one end of gas-guide tube is directly along the inner wall of pressure ring and curved logical main body
Reinforcing rib on part is inserted into the groove of curved logical main component bottom, and is positioned by bail wire clamping, prevents gas-guide tube from deviating from；
When unlock, pressure ring, which moves inward, jacks up the jag flexible locking piece on bail wire, is allowed to be detached from the outer wall of gas-guide tube, at this time may be used
Quickly to realize the disassembly of gas-guide tube and quick connector.
Present inventive concept is ingenious, and compact-sized rationally curved logical main component uses plastic material injection molding, effectively prevents
Main component gets rusty bring function problem, greatly enhances the corrosion resistance of quick connector shape part；Multi-claw type bail wire is set
The positive insertion attended operation of meter is convenient and efficient, when reversely being pulled out after connection can reverse clamping prevent from loosening, the Fastener clamping is firm
Gu securely and reliably, when disassembly, opened by the pressure ring of cooperation, it is convenient and efficient；It is simple that end modular construction is connect fastly, production side
Just quick, it is all mounted on the inside of main component, shape is consistent, beautiful, and quick dispatch is realized under the premise of ensureing safety
Function, security performance greatly promote.
Detailed description of the invention
The invention will be further described for explanation with reference to the accompanying drawing.
Fig. 1 is the curved general formula directly-inserted quick connector structural schematic diagram of the present invention；
Fig. 2 is the fast spigot component diagram of the present invention；
Fig. 3 is the fast spigot assemble cross-section of the present invention；
Fig. 4 is that the present invention uses structural schematic diagram；
Fig. 5 is through type directly-inserted quick connector structural schematic diagram of the present invention；
Fig. 6 is that metal of the present invention leads directly to fast spigot component diagram；
Fig. 7 is that metal of the present invention leads directly to fast spigot assemble cross-section；
Fig. 8 is removal tool special schematic diagram of the present invention；
Description of symbols: the curved logical main component of 1-；1-1, straight-through main component；The first sealing ring of 2-；3- dottle pin；4- second is close
Seal；5- locating ring；6- bail wire；7- pressure ring；8- clamping sleeve；9- inserts dust cap fastly；10- screw thread O-ring seal；11- screw thread
Dust cap；12- turns to O-ring seal；13- screw thread turns to body；14- gas-guide tube；15- valve body.
Specific embodiment
Embodiment one:
As shown in Figs 1-4, a kind of directly-inserted quick connector, the curved logical main component 1 including injection molding, the curved logical main body
One end of part 1 is set as the threaded ends of metal material, and the threaded ends are connect with vehicle-mounted valve body, curved logical main component 1
The other end be set as quick connector end, the quick connector end and the quickly dismantled connection of gas-guide tube.Wherein, the curved logical master
The threaded ends of body part 1 and screw thread turn to 13 hangnail of body press fitting connection composition L-type structure, the screw thread turn to body 13 with it is described
The root of curved 1 hangnail of logical main component press fitting connection, which is provided with, turns to O-ring seal 12, and the design for turning to O-ring seal 12 is effective
Improve the airtightness of the connector；The quick connector end when not in use, is connected with dust-proof fast slotting dust cap on its end face
9；Dust-proof threaded dust cap 11 is connected on the end face of the threaded ends, the thread root of threaded ends is provided with
Screw thread O-ring seal 10, the design of screw thread O-ring seal 10 are effectively ensured joint screw thread connecting pin and connect with vehicle-mounted valve body screw thread
The airtightness of position avoids the generation of leakage problem.
As shown in Figure 2,3, the quick connector end is provided with dottle pin 3, locating ring 5, bail wire 6, pressure ring 7 and clamping sleeve 8,
The two sides of the dottle pin 3 are provided with the first sealing ring 2 and the second sealing ring 4, first sealing ring 2, dottle pin 3 and the second sealing
Circle 4 is sequentially mounted on from inside to outside in the interior stepped hole at the quick connector end, is installed close to the outside of second sealing ring 4
There is the locating ring 5, the bail wire 6 is placed in the locating ring 5, the outer periphery of the bail wire 6 passes through the compression
Set 8 is pressed on the step surface of the locating ring 5, and the pressure ring 7 is located in certain space by the clamping sleeve 8 and is moved,
Convenient for cooperating unlock disassembly with bail wire 6.
The gas-guide tube is directly inserted into the interior platform of the curved logical main component 1 along the inner hole side wall of the pressure ring 7 when connecting
Rank hole bottom is contacted realization sealing with the periphery wall of the gas-guide tube by first sealing ring 2, the second sealing ring 4, passed through
Gas-guide tube described in 6 clamping of bail wire realizes close connection.Wherein, 5 major function of locating ring is positioning seal ring, that is, is compressed
First sealing ring and the second sealing ring followed by determine the placement location of bail wire 6, so that bail wire 6 is easier to center；
Bail wire 6 uses sheet metal punch forming, has certain elasticity, for locking to gas-guide tube, the gas-guide tube can be adopted
With nylon tube or other plastic tubes, insertion is convenient and efficient when connecting, and is clamped firm stable；Pressure ring 7 is located at the lateral wall of gas-guide tube
On, pressure ring inwardly jacks up the lock sheet of bail wire when gas-guide tube is removed, locking of the smooth de-chucking ring to gas-guide tube, so that
Gas-guide tube can be dismantled with quick connector and be separated；Outermost clamping sleeve 8 can also be played for being fixed other each components
Lock the effect of bail wire and pressure ring.
Specifically, the bail wire 6 is designed specifically to the multi-claw type becket of regular array, the multi-claw type becket
The plate flange of jag flexible locking piece and rear end including front end, the jag flexible locking piece and the air guide pipe clamp connect
It connects, the plate flange is pressed on the step surface of the locating ring 5 by the clamping sleeve 8.The multi-claw type becket
Pawl number is specifically configured to six, eight, ten or 12.
Multilayer hangnail is provided on the outer peripheral surface of the clamping sleeve 8, the clamping sleeve 8 is in clamping connection by the hangnail
In the inner hole of the curved logical main component 1, it is connected and fixed formation hangnail bamboo joint type between clamping sleeve and curved logical main component 1, the company
It is convenient and efficient when the mode of connecing is installed, it effectively prevent being detached from separately, stability is good.
It is provided with a circle positioning bar and two step surfaces in the inner hole at the quick connector end of the curved logical main component 1, it is described
The wall thickness of the recess width and the gas-guide tube that are formed between positioning bar and the First terrace matches, first sealing
Circle 2, dottle pin 3 and the second sealing ring 4 are mounted on First terrace, and the locating ring 5 is mounted on second step face.
The course of work of the invention is as follows:
As shown in figure 4, firstly, selecting through type of the invention or curved general formula to connect according to position or shape body is specifically used
Fast slotting dust cap 9, the threaded dust cap 11 at both ends are taken off, are then threaded in threaded ends and valve body 15 by head
Then gas-guide tube 14 is inserted by the sealing that the screw thread O-ring seal 10 together, and by connecting pin root being arranged carries out interface
Into the quick connector end of curved logical main component 1, the inner sidewall of gas-guide tube 14 is tightly attached on the positioning bar, the lateral wall of gas-guide tube
It is in contact respectively with pressure ring 7, bail wire 6, the second sealing ring 4, dottle pin 3 and the first sealing ring 2 from outside to inside, on bail wire 6
Lock sheet, which is clamped on the outer wall of the gas-guide tube, realizes clamping positioning.
Tool as shown in Figure 8 covers the circular hole position that unlocking tool opens selection dimension in the gas-guide tube 14
On, be closed unlocking tool, apply on unlocking tool it is one axial to quick connector direction pressing force along gas-guide tube, by gas-guide tube to
Opposite direction is extracted, and gas-guide tube can be completed and separate with the disassembly of quick connector.
Embodiment two:
It further include machining straight-through main component 1-1, institute as shown in figure 5, being the directly-inserted quick connector of through type
The one end for stating straight-through main component 1-1 is set as threaded ends, and the threaded ends are connect with vehicle-mounted valve body, leads directly to main component
The other end of 1-1 is set as quick connector end, the quick connector end and the quickly dismantled connection of gas-guide tube, the threaded connection
Dust-proof threaded dust cap 11 is connected on the end face at end, the thread root of threaded ends is provided with screw thread O-ring seal
10, the airtightness of joint location is effectively ensured in the design of screw thread O-ring seal 10, avoids the generation of leakage problem.
As shown in fig. 6-7, the quick connector end is provided with dottle pin 3, locating ring 5, bail wire 6, pressure ring 7 and clamping sleeve 8,
The two sides of the dottle pin 3 are provided with the first sealing ring 2 and the second sealing ring 4, first sealing ring 2, dottle pin 3 and the second sealing
Circle 4 is sequentially mounted on from inside to outside in the interior stepped hole at the quick connector end, is installed close to the outside of second sealing ring 4
There is the locating ring 5, the bail wire 6 is placed in the locating ring 5, the outer periphery of the bail wire 6 passes through the compression
Set 8 is pressed on the step surface of the locating ring 5, and the pressure ring 7 is located in certain space by the clamping sleeve 8 and is moved,
Convenient for cooperating unlock disassembly with bail wire.
Specifically, the outer weekend of the clamping sleeve 8 unlike embodiment one is set as step-like smooth surface, the pressure
Fixed 8 by applying an external force for the quick connector end of straight-through main component 1-1 with after the straight-through main component 1-1 of metal cooperation
Even circumferential compression, which is closed up, to be deformed, so that clamping sleeve 8 is connected and fixed with straight-through main component 1-1, when which installs
It is convenient and efficient, it effectively prevent being detached from separately, stability is good.
The application method of the directly-inserted quick connector of the through type is the same as example 1, and client is according to different using empty
Between reasonably selected.
Embodiment described above is only that preferred embodiment of the invention is described, and is not carried out to the scope of the present invention
It limits, without departing from the spirit of the design of the present invention, those of ordinary skill in the art make technical solution of the present invention
Various changes and improvements, should all fall into claims of the present invention determine protection scope in.
Claims (8)
1. a kind of directly-inserted quick connector, it is characterised in that: the curved logical main component (1) including injection molding, the curved logical main body
One end of part (1) is set as the threaded ends of metal material, and the threaded ends are connect with vehicle-mounted valve body, curved logical main component
(1) the other end is set as quick connector end, the quick connector end and the quickly dismantled connection of gas-guide tube.
2. directly-inserted quick connector according to claim 1, it is characterised in that: the quick connector end is provided with dottle pin
(3), the two sides of locating ring (5), bail wire (6), pressure ring (7) and clamping sleeve (8), the dottle pin (3) are provided with the first sealing ring
(2) it is sequentially mounted on from inside to outside with the second sealing ring (4), first sealing ring (2), dottle pin (3) and the second sealing ring (4)
In the interior stepped hole at the quick connector end, close to second sealing ring (4) on the outside of the locating ring (5), institute are installed
It states and is placed with the bail wire (6) in locating ring (5), the outer periphery of the bail wire (6) is pressed on by the clamping sleeve (8)
On the step surface of the locating ring (5), the pressure ring (7) is located in certain space by the clamping sleeve (8) and is moved, and is convenient for
Cooperate unlock disassembly with bail wire (6).
3. directly-inserted quick connector according to claim 2, it is characterised in that: along the pressure ring when gas-guide tube connects
(7) inner hole side wall is directly inserted into the interior stepped hole bottom of the curved logical main component (1), by first sealing ring (2),
Second sealing ring (4) contacts realization sealing with the periphery wall of the gas-guide tube, passes through gas-guide tube described in the bail wire (6) clamping
Realize close connection.
4. directly-inserted quick connector according to claim 3, it is characterised in that: the bail wire (6) is designed specifically to advise
The multi-claw type becket then arranged, the multi-claw type becket include front end jag flexible locking piece and rear end plate it is convex
Edge, the jag flexible locking piece are in clamping connection with the gas-guide tube, and the plate flange is pressed on by the clamping sleeve (8)
On the step surface of the locating ring (5).
5. directly-inserted quick connector according to claim 4, it is characterised in that: the pawl number of the multi-claw type becket is specific
It is set as six, eight, ten or 12.
6. directly-inserted quick connector according to claim 2, it is characterised in that: set on the outer peripheral surface of the clamping sleeve (8)
It is equipped with multilayer hangnail, the clamping sleeve (8) is in clamping connection in the inner hole of the curved logical main component (1) by the hangnail.
7. directly-inserted quick connector according to claim 1, it is characterised in that: the fast grafting of the curved logical main component (1)
It is provided with a circle positioning bar and two step surfaces in the inner hole of head end, is formed between the positioning bar and the First terrace
Recess width and the wall thickness of the gas-guide tube match, first sealing ring (2), dottle pin (3) and the second sealing ring (4) installation
On First terrace, the locating ring (5) is mounted on second step face.
8. directly-inserted quick connector according to claim 1, it is characterised in that: the screw thread of the curved logical main component (1) connects
It connects end and screw thread turns to body (13) hangnail press fitting connection composition L-type structure, the screw thread turns to body (13) and the curved logical main body
The root of part (1) hangnail press fitting connection, which is provided with, turns to O-ring seal (12)；The quick connector end when not in use, at its end
It is connected on face dust-proof fast slotting dust cap (9), is connected on the end face of the threaded ends of screw thread steering body (13)
Dust-proof threaded dust cap (11), the thread root of threaded ends are provided with screw thread O-ring seal (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811451841.9A CN109268610A (en) | 2018-11-30 | 2018-11-30 | A kind of directly-inserted quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811451841.9A CN109268610A (en) | 2018-11-30 | 2018-11-30 | A kind of directly-inserted quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109268610A true CN109268610A (en) | 2019-01-25 |
Family
ID=65186601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811451841.9A Pending CN109268610A (en) | 2018-11-30 | 2018-11-30 | A kind of directly-inserted quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109268610A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043740A (en) * | 2019-05-17 | 2019-07-23 | 成都富临精工电子电器科技有限公司 | A kind of inner spring type quick connector structure |
| CN113027827A (en) * | 2021-03-22 | 2021-06-25 | 上海外高桥造船有限公司 | Portable ware that draws water of segmentation |
| CN114962829A (en) * | 2022-05-24 | 2022-08-30 | 河北亚大汽车塑料制品有限公司 | Direct-insertion quick connector with error-proofing function |
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| KR200269757Y1 (en) * | 2001-11-27 | 2002-03-25 | 주식회사 원플라텍 | a pipe connector mountable by one touch |
| CN205136913U (en) * | 2015-11-04 | 2016-04-06 | 河北亚大汽车塑料制品有限公司 | Novel formula quick connector cut straightly |
| CN206206866U (en) * | 2016-11-19 | 2017-05-31 | 胡华贵 | Pipe fitting fast joint |
| CN209340708U (en) * | 2018-11-30 | 2019-09-03 | 河北亚大汽车塑料制品有限公司 | A kind of directly-inserted quick connector |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200269757Y1 (en) * | 2001-11-27 | 2002-03-25 | 주식회사 원플라텍 | a pipe connector mountable by one touch |
| CN205136913U (en) * | 2015-11-04 | 2016-04-06 | 河北亚大汽车塑料制品有限公司 | Novel formula quick connector cut straightly |
| CN206206866U (en) * | 2016-11-19 | 2017-05-31 | 胡华贵 | Pipe fitting fast joint |
| CN209340708U (en) * | 2018-11-30 | 2019-09-03 | 河北亚大汽车塑料制品有限公司 | A kind of directly-inserted quick connector |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043740A (en) * | 2019-05-17 | 2019-07-23 | 成都富临精工电子电器科技有限公司 | A kind of inner spring type quick connector structure |
| CN110043740B (en) * | 2019-05-17 | 2024-02-27 | 四川芯智热控技术有限公司 | Quick connector structure with internal spring |
| CN113027827A (en) * | 2021-03-22 | 2021-06-25 | 上海外高桥造船有限公司 | Portable ware that draws water of segmentation |
| CN114962829A (en) * | 2022-05-24 | 2022-08-30 | 河北亚大汽车塑料制品有限公司 | Direct-insertion quick connector with error-proofing function |
| CN114962829B (en) * | 2022-05-24 | 2023-06-02 | 河北亚大汽车塑料制品有限公司 | Direct-insertion quick plug with error-proofing function |
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