CN213745421U - Connecting joint - Google Patents
Connecting joint Download PDFInfo
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- CN213745421U CN213745421U CN202022422088.XU CN202022422088U CN213745421U CN 213745421 U CN213745421 U CN 213745421U CN 202022422088 U CN202022422088 U CN 202022422088U CN 213745421 U CN213745421 U CN 213745421U
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Abstract
The utility model provides a connector relates to car technical field. Wherein, attach fitting includes: a female connector, a male connector, a lock catch and a safety ring; the female joint comprises a receiving end and a female welding end, and the receiving end comprises a locking part; the male joint comprises an insertion end and a male welding end, and a clamping table is arranged on the insertion end; the safety ring comprises a safety ring body, an annular boss is arranged on the outer wall of the safety ring body, a first stopping portion is arranged on the inner wall of the receiving end of the female connector, the first stopping portion is used for abutting against the end portion of the annular boss, and the outer wall of the annular boss is in interference connection with the inner wall of the receiving end. The utility model provides a connector, annular boss and the first backstop portion looks butt through the safety ring have restricted safety ring to move in the direction of keeping away from the receiving terminal, and the outer wall of annular boss is connected with the inner wall interference of receiving terminal moreover, has restricted the safety ring and has removed in radial direction to connector's compressive strength has been improved.
Description
Technical Field
The utility model relates to the field of automotive technology, especially, relate to a connector.
Background
Hydrogen is commonly used as fuel in new energy automobiles, and the hydrogen fuel is generally stored in a hydrogen storage bottle for the new energy automobiles to use. Many nylon tubes are contained in new energy vehicles, and are generally communicated through a female joint and a male joint. One nylon tube is fixedly connected with the male joint, the other nylon tube is fixedly connected with the female joint, the male joint is inserted into the female joint, and a boss arranged on the male joint is jointed with two elastic arms of a lock catch inserted into the female joint, so that the female joint and the male joint are connected and locked.
Existing female fittings typically include a female fitting body, a latch, and a seal ring. Wherein, the hasp includes two elastic arms, and hasp and sealing washer set up inside the body along the axis direction of box body in order. The male joint comprises a male joint body, and one end of the male joint body is provided with a boss extending outwards in the radial direction. When the sealing ring is used, one ends of the female joint and the male joint are respectively inserted into the two nylon pipes, and then the insertion end of the male joint firstly penetrates through the two elastic arms of the lock catch along the axial direction of the female joint body and extends into the sealing ring. When the boss of the male joint is contacted with the elastic arms of the lock catch, the two elastic arms are forced to deform outwards, an operator presses the lock catch to enable the lock catch to move in a direction perpendicular to the inserting direction of the male joint, the locking parts of the two elastic arms are enabled to be combined with the buckling part of the female joint body, and therefore the male joint and the female joint are locked.
However, the conventional female joint and male joint have a problem of poor compressive strength.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connector to solve the poor problem of compressive strength that exists of current female joint and male joint.
The utility model provides a connector, include: a female connector, a male connector, a lock catch and a safety ring;
the female joint comprises a receiving end and a female welding end for welding the nylon pipe, and the receiving end comprises a locking part;
the male joint comprises an insertion end and a male welding end for welding the nylon pipe, and the insertion end is provided with a clamping table;
the safety ring comprises a safety ring body, an annular boss is arranged on the outer wall of the safety ring body, a first stopping part is arranged on the inner wall of a receiving end of the female connector, the first stopping part is used for abutting against the end part of the annular boss, and the outer wall of the annular boss is in interference connection with the inner wall of the receiving end;
the inserting end of the male joint is inserted into the receiving end of the female joint and penetrates through the safety ring;
the lock catch is inserted into the lock catch part of the receiving end and engaged with the clamping table to lock the female connector and the male connector.
Optionally, the locking part comprises two insertion holes and two locking holes, and a reinforcing rib is arranged between the two locking holes.
Optionally, the lock catch comprises an insertion end and two elastic arms, the insertion end is provided with a clamping groove clamped with the reinforcing rib, and the two elastic arms are provided with protrusions clamped with the two locking holes.
The clamping groove on the inserting end is clamped with the reinforcing ribs between the two lock holes of the lock catch part, so that when the connecting joint is used, the compression strength between the lock catch part of the lock catch and the female joint and the clamping table of the male joint is improved.
Optionally, the inner walls of the two elastic arms are provided with clamping bosses. The clamping boss is used for increasing the clamping force of the clamping table of the insertion end.
Optionally, in a direction perpendicular to the plugging direction of the latch, a wall thickness of the latch portion is greater than or equal to 2.5 cm.
The wall thickness of the locking portion is increased to further improve the compressive strength of the connection joint.
Optionally, the pipe joint further comprises a welding sleeve, and the female welding end of the female joint and the male welding end of the male joint are provided with the welding sleeve, and the welding sleeve is used for receiving the nylon pipe and welding with the nylon pipe.
The female welding end of the female joint and the male welding end of the male joint are welded together by using a welding sleeve, so that the compressive strength of the welded part of the female welding end of the female joint and the male welding end of the male joint is improved, and the electric conductivity among the female joint, the male joint and the nylon pipe is ensured.
Optionally, the female welding end of the female joint comprises a first step portion and a second step portion, when the female welding end of the female joint is welded and connected with the nylon pipe, the first step portion is inserted into the nylon pipe, the end portion of the nylon pipe is abutted against the second step portion, and the nylon pipe and the second step portion are sleeved with the welding sleeve.
Optionally, a second stopping portion is disposed inside the receiving end, and the second stopping portion is used for limiting the installation position of the insertion end of the male connector.
When the female joint and the male joint are installed, the insertion end of the male joint is inserted into the receiving end of the female joint and abutted against the second stopping portion, and the insertion end of the male joint penetrates through the safety ring, so that the lock catch is directly inserted into the lock catch portion of the receiving end to be jointed with the clamping table, the position between the lock catch portion and the male joint is prevented from being adjusted, and the installation efficiency of the female joint and the male joint is improved.
Optionally, the safety ring further comprises a first sealing ring, a third stopping portion is further disposed inside the receiving end, and the first sealing ring is disposed between the third stopping portion and the safety ring.
The first sealing ring is added between the third stopping part and the safety ring, so that the sealing performance between the female joint and the male joint is improved.
Optionally, a second sealing ring and a spacer ring are further disposed between the first sealing ring and the third stopper, and the spacer ring is disposed between the first sealing ring and the second sealing ring.
The second seal ring is added between the first seal ring and the third stopper portion, so that the sealing performance between the female joint and the male joint is further improved.
The utility model provides a connector, include: a female connector, a male connector, a lock catch and a safety ring; the female joint comprises a receiving end and a female welding end for welding the nylon pipe, and the receiving end comprises a locking part; the male joint comprises an insertion end and a male welding end for welding the nylon pipe, and the insertion end is provided with a clamping table; the safety ring comprises a safety ring body, an annular boss is arranged on the outer wall of the safety ring body, a first stopping part is arranged on the inner wall of the receiving end of the female joint and used for abutting against the end part of the annular boss, and the outer wall of the annular boss is in interference connection with the inner wall of the receiving end; the inserting end of the male joint is inserted into the receiving end of the female joint and penetrates through the safety ring; the lock catch is inserted into the lock catch portion of the receiving end and engages with the chuck table to lock the female connector and the male connector. The utility model provides a connector, annular boss and the first backstop portion looks butt through the safety ring have restricted safety ring to move in the direction of keeping away from the receiving terminal, and the outer wall of annular boss is connected with the inner wall interference of receiving terminal moreover, has restricted the safety ring and has removed in radial direction to connector's compressive strength has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of a connection joint provided by the present invention;
FIG. 2 is a schematic cross-sectional view of the connector fitting provided in FIG. 1;
FIG. 3 is a schematic view of the female coupling of FIG. 1;
FIG. 4 is a schematic view of another state of the female coupling of FIG. 3;
FIG. 5 is a schematic cross-sectional view of the female coupling of FIG. 3;
FIG. 6 is a schematic structural view of the male fitting of FIG. 1;
FIG. 7 is a schematic view of the latch of FIG. 1;
fig. 8 is a schematic structural view of the safety ring of fig. 1.
Description of reference numerals:
10-a female connector; 11-a receiving end; 111-a first stop;
112-a second stop; 113-a third stop; 12-female weld end;
121-a first step; 122-a second step; 13-a locking part;
131-a jack; 132-a keyhole; 1321 — a first chuck wall;
1322-a second chuck wall; 133-reinforcing ribs; 20-a male joint;
21-an insertion end; 22-positive solder end; 23-a clamping table;
30-locking a buckle; 31-a plug end; 311-card slot;
32-a resilient arm; 3211-a first projection; 3212-a second projection;
322-clamping the boss; 323-card cavity; 40-safety ring;
41-safety ring body; 42-an annular boss; 421-an abutment surface;
50-welding a sleeve; 60-a first sealing ring; 61-a second seal ring;
62-spacer ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Hydrogen is commonly used as fuel in new energy automobiles, and the hydrogen fuel is generally stored in a hydrogen storage bottle for the new energy automobiles to use. Many nylon tubes are contained in new energy vehicles, and are generally communicated through a female joint and a male joint. One nylon tube is fixedly connected with the male joint, the other nylon tube is fixedly connected with the female joint, the male joint is inserted into the female joint, and a boss arranged on the male joint is jointed with two elastic arms of a lock catch inserted into the female joint, so that the female joint and the male joint are connected and locked. Existing female fittings typically include a female fitting body, a latch, and a seal ring. Wherein, the hasp includes two elastic arms, and hasp and sealing washer set up inside the body along the axis direction of box body in order. The male joint comprises a male joint body, and one end of the male joint body is provided with a boss extending outwards in the radial direction. When the sealing ring is used, one ends of the female joint and the male joint are respectively inserted into the two nylon pipes, and then the insertion end of the male joint firstly penetrates through the two elastic arms of the lock catch along the axial direction of the female joint body and extends into the sealing ring. When the boss of the male joint is contacted with the elastic arms of the lock catch, the two elastic arms are forced to deform outwards, an operator presses the lock catch to enable the lock catch to move in a direction perpendicular to the inserting direction of the male joint, the locking parts of the two elastic arms are enabled to be combined with the buckling part of the female joint body, and therefore the male joint and the female joint are locked. However, the conventional female joint and male joint have a problem of poor compressive strength.
In order to solve the problem, the utility model provides a joint, annular boss and the first backstop portion looks butt through the safety ring have restricted safety ring to move in the direction of keeping away from the receiving terminal, and the outer wall of annular boss is connected with the inner wall interference of receiving terminal moreover, has restricted the safety ring and has removed in radial direction to joint's compressive strength has been improved.
The following describes the joint according to the present invention in detail with reference to specific embodiments.
Fig. 1 is a schematic structural view of a connection joint provided by the present invention; FIG. 2 is a schematic cross-sectional view of the connector fitting provided in FIG. 1; FIG. 3 is a schematic view of the female coupling of FIG. 1; FIG. 4 is a schematic view of another state of the female coupling of FIG. 3; FIG. 5 is a schematic cross-sectional view of the female coupling of FIG. 3; fig. 6 is a schematic structural view of the male connector of fig. 1.
The utility model provides a connector, include: the female coupling 10, the male coupling 20, the locker 30, and the safety ring 40; the female joint 10 comprises a receiving end 11 and a female welding end 12 for welding a nylon pipe, wherein the receiving end 11 comprises a locking part 13; the male joint 20 comprises an insertion end 21 and a male welding end 22 for welding a nylon pipe, and a clamping table 23 is arranged on the insertion end 21; the safety ring 40 comprises a safety ring body 41, an annular boss 42 is arranged on the outer wall of the safety ring body 41, a first stopping portion 111 is arranged on the inner wall of the receiving end 11 of the female joint 10, the first stopping portion 111 is used for abutting against the end portion of the annular boss 42, and the outer wall of the annular boss 42 is in interference connection with the inner wall of the receiving end 11; the insertion end 21 of the male coupling 20 is inserted into the receiving end 11 of the female coupling 10 and the insertion end 21 of the male coupling 20 passes through the safety ring 40; the locker 30 is inserted into the locking portion 13 of the receiving end 11 and engaged with the catch 23 to lock the female connector 10 and the male connector 20.
The female welding end 12 of the female joint 10 and the male welding end 22 of the male joint 20 are welded with the nylon pipe through the welding sleeve 50, so that the compression strength of the welding position of the female welding end 12 of the female joint 10 and the male welding end 22 of the male joint 20 can be improved, and the electric conductivity among the female joint 10, the male joint 20 and the nylon pipe can be ensured. The female coupling 10 and the male coupling 20 are made of a laser weldable material.
The nylon tube is provided with a conductive material inside.
Illustratively, the female welding end 12 of the female joint 10 includes a first step portion 121 and a second step portion 122, and when the female welding end 12 of the female joint 10 is welded and connected with the nylon pipe, the first step portion 121 is inserted into the nylon pipe, the end of the nylon pipe abuts against the second step portion 122, and the welding sleeve 50 is sleeved on the nylon pipe and the second step portion 122. The structure of the male weld end 22 of the male fitting 20 is similar to the structure of the female weld end 12 of the female fitting 10 and will not be described in detail herein.
The receiving end 11 of the female terminal 10 is provided with a locking portion 13. The locking portion 13 includes two insertion holes 131 and two locking holes 132 with a reinforcing rib 133 interposed therebetween. The locking hole 132 includes a first clamping wall 1321 and a second clamping wall 1322. The first clamping wall 1321 and the second clamping wall 1322 are configured to cooperate with a first projection 3211 and a second projection 3212, respectively, described below.
The locking platform 23 on the insertion end 21 is arranged annularly on the outer wall of the insertion end 21. The end part of the clamping table 23 and the insertion end 21 is provided with a preset insertion distance. The preset plugging distance can be determined according to actual needs, and is not specifically set herein.
Fig. 7 is a schematic structural view of the latch of fig. 1.
The latch 30 includes a plug end 31 and two elastic arms 32, the plug end 31 is provided with a slot 311 engaged with the rib 133, and the two elastic arms 32 are provided with a first protrusion 3211 and a second protrusion 3212 corresponding to the first engaging wall 1321 and the second engaging wall 1322.
A first projection 3211 is provided on an inner wall of the elastic arm 32, a second projection 3212 is provided on an outer wall of the elastic arm 32, and the second projection 3212 is farther from an end of the free end of the elastic arm 32 than the first projection 3211. The first protrusion 3211 is used for the locking of the lock catch 30 with the first locking wall 1321 when the female connector 10 and the male connector 20 are locked. When the female connector 10 and the male connector 20 are disassembled, the second projection 3212 is engaged with the second engaging wall 1322, which not only prevents the lock catch 30 from being disengaged from the lock catch portion 13, but also allows the male connector 20 to be pulled out of the female connector 10. The shapes of the first projection 3211 and the second projection 3212 may be square, cylindrical, etc., and are not particularly provided here.
Illustratively, when the female connector 10 and the male connector 20 are installed, the insertion end 21 of the male connector 20 is first inserted into the receiving end 11 of the female connector 10, the insertion end 21 of the male connector 20 passes through the safety ring 40, and the locking platform 23 of the insertion end 21 is in the same plane with the two insertion holes 131 and the two locking holes 132 of the locking portion 13, then the two resilient arms 32 of the lock catch 30 are inserted into the two insertion holes 131, and the inner walls of the two resilient arms 32 are engaged with the locking platform 23, and finally pass through the two locking holes 132, so that the first protrusions 3211 of the two resilient arms 32 are engaged with the first locking walls 1321 of the two locking holes 132 and the locking grooves 311 of the insertion end 31 are engaged with the reinforcing ribs 133, thereby improving the compressive strength between the lock catch 30, the locking portion 13 of the female connector 10 and the locking platform 23 of the male connector 20.
When the female connector 10 and the male connector 20 are disassembled, the lock catch 30 can be levered directly from the insertion end 31 of the lock catch 30 by means of a tool, so that the first projection 3211 of the elastic arm 32 is disengaged from the first catch wall 1321, and the second projection 3212 is caught by the second catch wall 1322, so that the male connector 20 can be pulled out of the female connector 10. In other ways, when the female connector 10 and the male connector 20 are disassembled, a cantilever may be provided on the outer wall of the end of the elastic arm 32, and the male connector 20 may be pulled out of the female connector 10 by applying a force to the cantilever to disengage the first projection 3211 from the first catching wall 1321 while the mating terminal 31 is pulled outward.
It should be noted that the insertion end 31 and the two elastic arms 32 define a card cavity 323 for holding the card platform 23. In order to increase the clamping force between the two elastic arms 32 and the clamping platform 23, clamping bosses 322 are arranged on the inner walls of the two elastic arms 32. A clamping boss 322 is provided at an end position near the free end of the resilient arm 32.
It should be noted that, in order to further increase the compressive strength of the connection joint, the wall thickness of the locking portion in the direction perpendicular to the insertion direction of the lock is 2.5cm or more. The wall thickness of the locking portion is the distance L marked in fig. 3.
Fig. 8 is a schematic structural view of the safety ring of fig. 1.
The safety ring 40 is a hollow cylindrical structure, and includes a safety ring body 41, wherein an abutting surface 421 between the annular boss 42 on the safety ring body 41 and the first blocking portion 111 may be an inclined surface, and may be a flat surface, which is not specifically provided herein. The diameter of the inner wall of the receiving end 11 contacting the outer wall of the annular boss 42 is equal to or slightly smaller than the outer diameter of the annular boss 42, so that the annular boss 42 is ensured to be in interference connection with the receiving end 11, and the compressive strength of the connection joint can be improved.
Optionally, a second stopper 112 is provided inside the receiving end 11, and the second stopper 112 is used for limiting the installation position of the insertion end 21 of the male connector 20.
When the female connector 10 and the male connector 20 are installed, the insertion end 21 of the male connector 20 is inserted into the receiving end 11 of the female connector 10 and abuts against the second stopper portion 112, and the insertion end 21 of the male connector 20 passes through the safety ring 40, so that the lock catch 30 is directly inserted into the locking portion 13 of the receiving end 11 and can be engaged with the clamping table 23, the need of adjusting the position between the locking portion 13 and the male connector 20 is avoided, and the installation efficiency of the female connector 10 and the male connector 20 is improved.
Optionally, a first sealing ring 60 is further included, a third stop 113 is further disposed inside the receiving end 11, and the first sealing ring 60 is disposed between the third stop 113 and the safety ring 40.
Wherein, when the female connector 10 is assembled with the male connector 20, the insertion end 21 of the male connector 20 is inserted into the receiving end 11 of the female connector 10 and the insertion end 21 of the male connector 20 passes through the safety ring 40 and the first sealing ring 60, which improves the sealing performance between the female connector 10 and the male connector 20.
In order to further improve the sealing performance between the female joint 10 and the male joint 20, a second seal ring 61 and a spacer ring 62 may be further provided between the first seal ring 60 and the third stopper 113, and the spacer ring 62 may be provided between the first seal ring 60 and the second seal ring 61.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A connection fitting, comprising: a female connector, a male connector, a lock catch and a safety ring;
the female joint comprises a receiving end and a female welding end for welding the nylon pipe, and the receiving end comprises a locking part;
the male joint comprises an insertion end and a male welding end for welding the nylon pipe, and the insertion end is provided with a clamping table;
the safety ring comprises a safety ring body, an annular boss is arranged on the outer wall of the safety ring body, a first stopping part is arranged on the inner wall of a receiving end of the female connector, the first stopping part is used for abutting against the end part of the annular boss, and the outer wall of the annular boss is in interference connection with the inner wall of the receiving end;
the inserting end of the male joint is inserted into the receiving end of the female joint and penetrates through the safety ring;
the lock catch is inserted into the lock catch part of the receiving end and engaged with the clamping table to lock the female connector and the male connector.
2. The connector of claim 1, wherein the locking portion includes two insertion holes and two locking holes, and a reinforcing rib is disposed between the two locking holes.
3. The connector according to claim 2, wherein the latch comprises an insertion end and two elastic arms, the insertion end is provided with a slot engaged with the reinforcing rib, and the two elastic arms are provided with protrusions engaged with the two slots.
4. The connector sub of claim 3, wherein the two resilient arms are provided with gripping bosses on their inner walls.
5. The connector of claim 1, wherein the wall thickness of the locking portion is 2.5cm or greater in a direction perpendicular to the plugging direction of the lock.
6. The connection joint according to any one of claims 1 to 5, further comprising a welding sleeve, wherein the female welding end of the female joint and the male welding end of the male joint are each provided with a welding sleeve for receiving and welding with the nylon tube.
7. The connection joint according to claim 6, wherein the female welding end of the female joint comprises a first step portion and a second step portion, when the female welding end of the female joint is welded with the nylon tube, the first step portion is inserted into the nylon tube, the end of the nylon tube abuts against the second step portion, and the welding sleeve is sleeved on the nylon tube and the second step portion.
8. The connector sub of claim 7, wherein a second stopper portion is provided inside the receiving end, and the second stopper portion is configured to limit an installation position of the insertion end of the male connector.
9. The connection fitting according to claim 8, further comprising a first sealing ring, wherein a third stop is further disposed inside the receiving end, and wherein the first sealing ring is disposed between the third stop and the safety ring.
10. The connection joint according to claim 9, wherein a second seal ring and a spacer ring are further disposed between the first seal ring and the third stop, the spacer ring being disposed between the first seal ring and the second seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022422088.XU CN213745421U (en) | 2020-10-27 | 2020-10-27 | Connecting joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022422088.XU CN213745421U (en) | 2020-10-27 | 2020-10-27 | Connecting joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213745421U true CN213745421U (en) | 2021-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022422088.XU Active CN213745421U (en) | 2020-10-27 | 2020-10-27 | Connecting joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213745421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576454A (en) * | 2022-03-09 | 2022-06-03 | 扬州华光新材料股份有限公司 | Quick connector with valve |
-
2020
- 2020-10-27 CN CN202022422088.XU patent/CN213745421U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576454A (en) * | 2022-03-09 | 2022-06-03 | 扬州华光新材料股份有限公司 | Quick connector with valve |
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