CN108758136B - SV270 quick connector with new buckle and lock catch - Google Patents
SV270 quick connector with new buckle and lock catch Download PDFInfo
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- CN108758136B CN108758136B CN201810348727.7A CN201810348727A CN108758136B CN 108758136 B CN108758136 B CN 108758136B CN 201810348727 A CN201810348727 A CN 201810348727A CN 108758136 B CN108758136 B CN 108758136B
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- buckle
- connector
- lock catch
- female end
- female
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- 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
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/088—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a split elastic ring
Abstract
The invention provides an SV270 quick connector with a new buckle and a lock catch, which comprises a male end connector, a buckle, a lock catch, a female end connector body, a first O-shaped ring, a spacer bush and a second O-shaped ring, wherein the first O-shaped ring, the spacer bush and the second O-shaped ring are arranged in the female end connector body, the spacer bush is assembled at the front end of the first O-shaped ring, the second O-shaped ring is arranged at the front end of the spacer bush, the buckle is installed at the front end of the second O-shaped ring, the buckle is assembled in the female end connector body and extends to the front end of the female end connector body, the lock catch is installed on the buckle, the lock catch is assembled on the female end connector body, the male end connector is installed at the front end of the buckle and extends to the interior of the buckle, the buckle comprises a connector switch button, an insert groove, a stop seat, a buckle body and a connecting hook I, the lock catch comprises a convex switch, an insert, a: the integral sealing performance of the joint is enhanced, and the connection reliability is improved.
Description
Technical Field
The invention discloses an SV270 quick connector with a novel buckle and a lock catch, and belongs to the technical field of pipeline accessories of a thermal management system of a power battery pack of an electric automobile.
Background
The thermal-related problems of the power battery are key factors for determining the service performance, safety, service life and service cost of the power battery. Good heat dissipation performance is crucial to power batteries. At present, a heat management system based on a liquid heat exchange technology is a mainstream heat dissipation technology adopted by power battery manufacturers at present. The SV270 series quick connector of Fuji company is widely applied to a power battery thermal management system, and the assembly and disassembly of the quick connector are realized by extruding a buckle to cause a clamping hook in the vertical direction to move outwards to be separated from a male end clamping groove matched with the connector.
With the progress of technology and the continuous improvement of market and customer requirements on electric vehicles, the requirements on working indexes, performance and the like of power batteries serving as core components of the electric vehicles are improved, and as an important component of thermal management of the power batteries, pipelines and joints are required to further strengthen the performance of the power batteries to adapt to the technical development trend, so that new designs are adopted for SV270 series quick connectors.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an SV270 quick connector joint with a novel buckle and lock catch to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: an SV270 quick connector with a new buckle and a lock catch comprises a male end connector, a buckle, a lock catch, a female end connector body and a sealing element, the sealing element comprises a first O-shaped ring, a spacer bush and a second O-shaped ring, the first O-shaped ring, the spacer bush and the second O-shaped ring are arranged in the female end joint body, the front end of the O-shaped ring I is provided with a spacer bush, the front end of the spacer bush is provided with an O-shaped ring II, the front end of the O-shaped ring II is provided with a buckle, the buckle is assembled in the female end connector body, and extends to the front end of the female end connector body, a lock catch is arranged on the buckle, the lock catch is assembled on the female end connector body, the male end connector is arranged at the front end of the buckle, and extend to inside the buckle, the buckle is including connecting shift knob, inserted sheet groove, fender seat, the buckle body and coupling hook one, the hasp includes protruding switch, inserted sheet, retaining ring and the hasp body.
Further, in the buckle, the outer end of the buckle body is provided with a first connecting hook, the outer end of the buckle body is provided with a first blocking seat, the upper side of the first blocking seat is provided with a first connecting hook, the joint switch button is arranged at the outer end of the buckle body, the joint switch button is arranged at the lower side of the first connecting hook, the blocking seat is assembled at the inner side of the joint switch button, and an inserting piece groove is formed between the joint switch button and the blocking seat.
Further, in the hasp, the external end of hasp is equipped with protruding switch, the external end of hasp is inlayed and is had the retaining ring, hasp body lower extreme is provided with the inserted sheet, the inserted sheet is installed at protruding switch downside.
Further, the buckle body is installed in female end joint body inside, and extends to female end joint body front end, buckle body rear end is provided with O shape circle two, female end joint body front end is equipped with and keeps off seat and connect shift knob, and in the in-service use process, the buckle body inserts female end joint body inside, and public end joint inserts buckle body inside, and public end joint passes through the buckle body and is connected with female end joint body.
Furthermore, the first connecting hooks are four, the four first connecting hooks are uniformly arranged at the side end of the buckle body, the two connector switch buttons, the two insert grooves and the two blocking seats are symmetrically arranged at the left end and the right end of the buckle body, the side end of the female end joint body is uniformly provided with four clamping grooves, the first connecting hooks are arranged in the four clamping grooves, the buckle body is connected with the female end joint body through the first connecting hooks and the clamping grooves, the male end joint is provided with a ring groove, the top end and the bottom end in the buckle body are symmetrically provided with two second connecting hooks, the two second connecting hooks are assembled in the ring groove, in the actual use process, the first connecting hooks are clamped into the clamping grooves, the fixed connection of the buckle body and the female end joint body is realized, and the second connecting hooks are clamped into the ring groove, the male end connector is fixedly connected with the buckle body.
Furthermore, the inserting sheet is arranged in the inserting sheet groove, the lock catch body is arranged on the female end connector body, the retainer rings are assembled on the buckle body, the two convex switches, the two inserting pieces and the two retainer rings are arranged, the two retainer rings are symmetrically embedded at the upper end and the lower end of the lock catch body, the two convex switches are symmetrically assembled at the left end and the right end of the lock catch body, the front end of the lock catch body is symmetrically provided with two grooves, the front ends of the two grooves are both provided with inserting pieces, in the actual use process, the inserting sheet is inserted into the inserting sheet groove, the extrusion deformation required by the disassembly of the buckling body in the horizontal direction is locked, the check ring is arranged on the buckling body, the deformation required by the disassembly of the buckling body in the vertical direction is locked, therefore, the deformation of the second connecting hook in two directions, which is required by the disassembly of the buckle body and the female end joint body, is locked, and the male end joint and the buckle body are connected and locked.
The invention has the beneficial effects that: according to the SV270 quick connector joint with the new buckle and the lock catch, a male end joint, the buckle, the lock catch, a female end joint body, the O-shaped ring I, the spacer bush and the O-shaped ring II are added, the novel multi-sealing design is adopted, the overall sealing performance of the joint is enhanced, the novel buckle design is adopted, the connection between the buckle and the female end joint body and the connection contact area between the buckle and the male end joint are increased, the connection contact area between the female end joint and the male end joint is further increased, the connection reliability is improved, the novel lock catch is adopted for realizing bidirectional locking, compared with the same type of joint, the SV270 quick connector joint has larger connecting force and larger reliability and sealing performance, and the problem that the series of joints are used in certain environments exceeding the related performance requirements which cannot be met by the original joint is solved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of an SV270 quick connector with a new buckle and catch of the present invention;
FIG. 2 is a schematic view of a SV270 quick connector latch with a new latch and catch of the present invention;
FIG. 3 is a schematic view of a latch of an SV270 quick connector of the present invention with a new clasp and latch;
FIG. 4 is a schematic diagram of a state of a lock function of the SV270 quick connector with a new buckle and a lock being pressed downwards to open the lock;
FIG. 5 is a schematic diagram of the state of the lock lifting and closing locking function in the SV270 quick connector with the new buckle and lock catch of the present invention;
in the figure: 1-male end connector, 2-buckle, 3-lock catch, 4-female end connector body, 5-O-shaped ring I, 6-spacer bush, 7-O-shaped ring II, 21-connector switch button, 22-inserting piece groove, 23-blocking seat, 24-buckle body, 25-connecting hook I, 31-protruding switch, 32-inserting piece, 33-blocking ring and 34-lock catch body.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a SV270 quick connector with new buckle and hasp, including public end joint 1, buckle 2, hasp 3, female end joint body 4 and sealing member, the sealing member includes O shape circle one 5, spacer 6 and O shape circle two 7, female end joint body 4 is inside to be provided with O shape circle one 5, spacer 6 and O shape circle two 7, O shape circle one 5 front end is equipped with spacer 6, spacer 6 front end is provided with O shape circle two 7, O shape circle two 7 front ends are installed and are buckled 2, buckle 2 assembles inside female end joint body 4, and extend to female end joint body 4 front end, install hasp 3 on buckle 2, hasp 3 assembles on female end joint body 4, public end joint 1 installs at buckle 2 front end, and extend to buckle 2 inside, buckle 2 includes joint shift knob 21, insert groove 22, keep off seat 23, buckle body 24 and connection hook 25, hasp 3 includes protruding switch 31, the protruding switch 31, Insert 32, retainer 33 and latch 34.
As an embodiment of the present invention: in the buckle 2, the outer end of the buckle body 24 is assembled with a first connecting hook 25, the outer end of the buckle body 24 is provided with a first blocking seat 23, the upper side of the first blocking seat 23 is provided with the first connecting hook 25, the joint switch button 21 is installed at the outer end of the buckle body 24, the joint switch button 21 is installed at the lower side of the first connecting hook 25, the blocking seat 23 is assembled at the inner side of the joint switch button 21, and the inserting piece groove 22 is formed between the joint switch button 21 and the blocking seat 23.
As an embodiment of the present invention: in the lock catch 3, the outer end of a lock catch body 34 is provided with a convex switch 31, the outer end of the lock catch body 34 is embedded with a retainer ring 33, the lower end of the lock catch body 34 is provided with an inserting sheet 32, and the inserting sheet 32 is arranged at the lower side of the convex switch 31.
As an embodiment of the present invention: the buckle body 24 is installed inside the female end connector body 4 and extends to the front end of the female end connector body 4, the rear end of the buckle body 24 is provided with the O-shaped ring II 7, the front end of the female end connector body 4 is provided with the baffle seat 23 and the connector switch button 21, in the actual use process, the buckle body 24 is inserted into the female end connector body 4, the male end connector 1 is inserted into the buckle body 24, and the male end connector 1 is connected with the female end connector body 4 through the buckle body 24.
As an embodiment of the present invention: four connecting hooks I25 are arranged, four connecting hooks I25 are uniformly arranged at the side end of a buckle body 24, two connector switch buttons 21, two insert grooves 22 and two baffle seats 23 are arranged, two connector switch buttons 21 are symmetrically arranged at the left end and the right end of the buckle body 24, two baffle seats 23 are symmetrically arranged at the left end and the right end of the buckle body 24, four clamping grooves are uniformly arranged at the side end of a female end joint body 4, the connecting hooks I25 are arranged in the four clamping grooves, the buckle body 24 is connected with the female end joint body 4 through the connecting hooks I25 and the clamping grooves, a circular groove is arranged on a male end joint 1, two connecting hooks II are symmetrically arranged at the top end and the bottom end in the buckle body 24, the two connecting hooks II are assembled in the circular groove, in the actual use process, the connecting hooks I25 are clamped into the clamping grooves to realize the fixed connection of the buckle body 24 and the female end joint body 4, the fixed connection of the male end connector 1 and the buckle body 24 is realized.
As an embodiment of the present invention: the inserting piece 32 is arranged in the inserting piece groove 22, the lock catch body 34 is arranged on the female end connector body 4, the check ring 33 is assembled on the buckle body 24, two convex switches 31, the inserting piece 32 and the check ring 33 are arranged, the two check rings 33 are symmetrically embedded at the upper end and the lower end of the lock catch body 34, the two convex switches 31 are symmetrically assembled at the left end and the right end of the lock catch body 34, the front end of the lock catch body 34 is symmetrically provided with two grooves, the front ends of the two grooves are provided with the inserting piece 32, in actual use, the insert piece 32 is inserted into the insert piece groove 22, the pressing deformation required for the detachment of the snap body 24 in the horizontal direction is locked, the retainer ring 33 is mounted on the snap body 24, the deformation required for the detachment of the snap body 24 in the vertical direction is locked, therefore, the deformation of the second connecting hook required for detaching the snap body 24 from the female terminal body 4 in both directions is locked, and the male terminal 1 and the snap body 24 are locked.
As an embodiment of the present invention: when buckle 2 and female end joint body 4 were installed, the staff earlier put into female end joint body 4 insidely with O shape circle 5, spacer 6 and two 7 of O shape circle in proper order, then the staff overlaps 3 covers of hasp on female end joint body 4, then the staff inserts buckle body 24 inside female end joint body 4, and make hookup 25 block inside the draw-in groove, this design has realized the equipment of buckle 2 with female end joint body 4, the connection fastening nature of buckle 2 and female end joint body 4 has been improved.
As an embodiment of the present invention: when the buckle 2 is assembled with the male end connector 1, a worker inserts the male end connector 1 into the buckle body 24, the stop seat 23 limits the male end connector 1, and the connecting hook II is clamped into the annular groove, so that the male end connector 1 is assembled with the female end connector body 4, the assembly convenience is improved,
as an embodiment of the present invention: the working pressure of the liquid cooling pipeline of the battery pack of the electric automobile is usually not more than 6bar, namely 0.6Mpa, namely, a pipeline assembly consisting of a connector and a pipeline is required, the explosion pressure of the pipeline assembly needs to be larger than 0.6Mpa, the joint connection comprises two connections, namely, the connection of the male end connector 1 and the buckle 2 and the connection of the buckle 2 and the female end connector body 4 are realized, the male end connector 1 and the buckle 2 are connected through an annular groove and a connecting hook two phase, the buckle 2 and the female end connector body 4 are connected through a connecting hook I25 and a clamping groove, and the contact area between the four connecting hooks I25 and the clamping groove is 0.207cm2The cross section area of the first connecting hook 25 is 0.341cm in total2The contact area between the two second connecting hooks and the annular groove is 0.064cm2The cross section area of the connecting hook is 0.143cm2Therefore, the connection strength between the male end connector 1 and the buckle 2 determines the connection performance of the connector, PA66GF30 is selected as the material used for the connector, the tensile strength of the material is 85.2Mpa, and the force required for pulling off the hook two of the buckle is determined according to the formula P ═ F/a, wherein P-pressure, F-tension, and a-cross sectional area: f ═ PA ═ 85.2X 14.3cm21218N, 1218 ÷ 0.000254 ÷ 4.79Mpa ÷ 47.9bar, where Ac is the cross-sectional area of the joint lumen, so it can be seen that the internal fluid pressure that the joint can withstand is about 8 times the internal fluid pressure that the joint needs to guarantee to withstand in order to meet the performance required by the joint in order to normally work.
As an embodiment of the present invention: as shown in fig. 4, when the locking body 34 is pressed down to unlock the locking function, the insert piece 32 is inserted into the insert piece groove 22, the lower end surface of the stopper 23 is in direct contact with the male terminal 1, the deformation space between the terminal switch button 21 and the stopper 23 is filled with the insert piece 32, the locking body 24 cannot be deformed by pressing the terminal switch button 21, the pressing deformation required for detaching the male terminal 1 in the direction of the terminal switch button 21, the insert piece 32 and the stopper 23 is locked, and the deformation of the connecting hook II required for disassembling the male end joint 1 in the direction perpendicular to the connecting hook II is limited by the retainer ring 33, therefore, the deformation of the second connecting hook in two directions required for disassembling the male terminal 1 is locked, so that the male terminal 1 cannot be disassembled from the buckle body 24, this design has realized locking public end connector 1, makes public end connector 1 and buckle 2 carry out closely the installation.
As an embodiment of the present invention: as shown in fig. 5, when the locking body 34 is lifted up to close the locking function, the insert 32 is lifted up from the insert groove 22, a deformation space is formed between the joint switch button 21 and the stopper 23, at this time, the buckle body 24 is deformed by pressing the joint switch button 21, so as to drive the second hook to deform outwards and move the second hook out of the annular groove, and then the worker moves the whole body consisting of the buckle 2 and the male end connector 1 backwards to realize the movement of the male end connector 1 out of the buckle body 24.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a SV270 quick connector with new buckle and hasp, includes public end connector (1), buckle (2), hasp (3), female end connector body (4) and sealing member, its characterized in that: the sealing member includes O shape circle (5), spacer bush (6) and O shape circle two (7), female end joint body (4) inside is provided with O shape circle (5), spacer bush (6) and O shape circle two (7), O shape circle (5) front end is equipped with spacer bush (6), spacer bush (6) front end is provided with O shape circle two (7), buckle (2) are installed to O shape circle two (7) front end, buckle (2) assembly is inside female end joint body (4), and extends to female end joint body (4) front end, install hasp (3) on buckle (2), hasp (3) assembly is on female end joint body (4), install at buckle (2) front end public end joint (1), and extend to inside buckle (2), buckle (2) are including connecting shift knob (21), insert piece groove (22), Keep off seat (23), the buckle body (24) and couple (25), hasp (3) includes protruding switch (31), inserted sheet (32), retaining ring (33) and the lock catch body (34) in buckle (2), buckle body (24) outer end is equipped with couple (25), keep off seat (23) is installed to buckle body (24) outer end, keep off seat (23) upside and be equipped with couple (25), connect shift knob (21) and install in buckle body (24) outer end, connect shift knob (21) and install in couple (25) downside, keep off seat (23) and assemble in connecting shift knob (21) inboard, be provided with inserted sheet groove (22) between connect shift knob (21) and keep off seat (23), in hasp (3), the lock catch body (34) outer end is equipped with protruding switch (31), retaining ring (33) are inlayed to hasp body (34) outer end, hasp body (34) lower extreme is provided with inserted sheet (32), inserted sheet (32) are installed in protruding switch (31) downside.
2. The SV270 quick connector as claimed in claim 1, wherein the SV comprises: the utility model discloses a female end connector, including female end connector body (4), buckle body (24), female end connector body (4) front end, buckle body (24) rear end is provided with O shape circle two (7), female end connector body (4) front end is equipped with and keeps off seat (23) and connect shift knob (21), and in the reality, inside female end connector body (4) were inserted in buckle body (24), inside buckle body (24) were inserted in public end connector (1), public end connector (1) were connected with female end connector body (4) through buckle body (24).
3. The SV270 quick connector as claimed in claim 1 or 2, wherein the SV270 quick connector comprises a new snap and a new lock catch, and further comprises: the connecting hooks I (25) are four, the four connecting hooks I (25) are uniformly arranged at the side end of the buckling body (24), the connector switch buttons (21), the insert grooves (22) and the baffle seats (23) are respectively provided with two, the two connector switch buttons (21) are symmetrically arranged at the left end and the right end of the buckling body (24), the two baffle seats (23) are symmetrically arranged at the left end and the right end of the buckling body (24), the side end of the female end joint body (4) is uniformly provided with four clamping grooves, the connecting hooks I (25) are respectively arranged in the four clamping grooves, the buckling body (24) is connected with the female end joint body (4) through the connecting hooks I (25) and the clamping grooves, the male end joint (1) is provided with a ring groove, the top end and the bottom end in the buckling body (24) are respectively and symmetrically provided with two connecting hooks II, and the two connecting hooks II are respectively assembled in the ring groove, in practice, the first connecting hook (25) is clamped into the clamping groove to realize the fixed connection of the clamping body (24) and the female end connector body (4), and the second connecting hook is clamped into the annular groove to realize the fixed connection of the male end connector (1) and the clamping body (24).
4. The SV270 quick connector as claimed in claim 1 or 2, wherein the SV270 quick connector comprises a new snap and a new lock catch, and further comprises: the inserting piece (32) is arranged in the inserting piece groove (22), the lock catch body (34) is arranged on the female end connector body (4), the check rings (33) are assembled on the buckle body (24), the two protruding switches (31), the two inserting pieces (32) and the two check rings (33) are arranged, the two check rings (33) are symmetrically embedded at the upper end and the lower end of the lock catch body (34), the two protruding switches (31) are symmetrically assembled at the left end and the right end of the lock catch body (34), the front end of the lock catch body (34) is symmetrically provided with two grooves, the inserting pieces (32) are arranged at the front ends of the two grooves, in practice, the inserting piece (32) is inserted into the inserting piece groove (22), the extrusion deformation required for disassembling the buckle body (24) in the horizontal direction is locked, the check rings (33) are arranged on the buckle body (24), and the deformation required for disassembling the buckle body (24) in the vertical direction is locked, therefore, the deformation of the second connecting hook required by the disassembly of the buckling body (24) and the male end connector (1) in two directions is locked, and the male end connector (1) and the buckling body (24) are connected and locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810348727.7A CN108758136B (en) | 2018-04-18 | 2018-04-18 | SV270 quick connector with new buckle and lock catch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810348727.7A CN108758136B (en) | 2018-04-18 | 2018-04-18 | SV270 quick connector with new buckle and lock catch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108758136A CN108758136A (en) | 2018-11-06 |
| CN108758136B true CN108758136B (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810348727.7A Active CN108758136B (en) | 2018-04-18 | 2018-04-18 | SV270 quick connector with new buckle and lock catch |
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| Country | Link |
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| CN (1) | CN108758136B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5683117A (en) * | 1995-12-14 | 1997-11-04 | Flex Technologies, Inc. | Retainer clip for a connector |
| US5707085A (en) * | 1996-09-12 | 1998-01-13 | General Motors Corporation | Fluid coupling |
| CN2696144Y (en) * | 2004-03-26 | 2005-04-27 | 林泰源 | Quick connector |
| WO2007066675A1 (en) * | 2005-12-06 | 2007-06-14 | Tokai Rubber Industries, Ltd. | Quick connector and checker |
| CN201636472U (en) * | 2010-04-21 | 2010-11-17 | 黄彪 | Quick plug-in connector |
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2018
- 2018-04-18 CN CN201810348727.7A patent/CN108758136B/en active Active
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| CN108758136A (en) | 2018-11-06 |
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