CN219623488U - Quick connector - Google Patents
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- CN219623488U CN219623488U CN202320525694.5U CN202320525694U CN219623488U CN 219623488 U CN219623488 U CN 219623488U CN 202320525694 U CN202320525694 U CN 202320525694U CN 219623488 U CN219623488 U CN 219623488U
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- plug
- quick connector
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- pipeline
- plug housing
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Abstract
The utility model aims to provide a quick connector, which comprises a plug housing which is plugged with an external pipeline connector and an annular sealing piece which is connected to the inner wall of the plug housing and is used for sealing the joint of the pipeline connector and the plug housing, wherein the annular sealing piece comprises more than two flexible cladding edges which are distributed in sequence in the insertion direction of the pipeline connector and are attached to the outer wall of the pipeline connector; the quick connector also comprises a limiting structure which is connected with the inner wall of the plug-in shell and limits the annular sealing element. To enhance the sealing effect, the annular seal comprises more than two flexible coated edges which are distributed in sequence in the insertion direction of the pipe joint. The flexible cladding edges are arranged to play a role in multiple sealing, and even if one flexible cladding edge can not guarantee sealing after receiving pressure displacement, the flexible cladding edge has another sealing role. The two ends of the annular sealing piece are fixed in by the limiting structure, and the limiting structure can be a limiting block and the like which are arranged on the inner wall of the plug-in shell and limit the annular sealing piece in the limiting structure.
Description
Technical Field
The utility model relates to the technical field of pipe joints of automobile pipeline systems, in particular to a quick connector.
Background
The quick connector is also called a quick connector plug, is the most convenient plug-and-play connection mode, and can embody the superiority of the quick connector especially in some space occasions where the air pipe connection is difficult, such as space limitation and occasions where the pipeline assembly is difficult. The water path cooling system and the intercooler pipeline system of the automobile are often communicated with each other through quick connectors.
The Chinese patent document with publication number CN205371903U discloses a quick-connection plug structure of an automobile pipeline, which comprises a female head structure and a male head assembly. The female structure comprises a first hollow cylinder and a locking structure connected with the first hollow cylinder. The male component comprises a second hollow cylinder body positioned in the first hollow cylinder body, a fixed groove positioned on the second hollow cylinder body and used for being connected with the locking structure in a matched mode, and a groove arranged around the second hollow cylinder body, and a sealing ring used for guaranteeing tightness of a pipeline connecting position is connected in the groove. However, the quick-connect plug structure has the following defects: the automobile pipeline is a pipeline communicated with high-temperature high-pressure equipment such as an engine, when the internal pressure of the pipeline communicated with the quick-connection plug is high, the sealing effect of the sealing ring is poor, the sealing ring is easy to shift by the pressure ejection groove, the tightness of the pipeline is reduced, and potential safety hazards exist.
Disclosure of Invention
The utility model aims to provide a quick connector which ensures the tightness when high-temperature and high-pressure pipelines are communicated and ensures the safe communication of high-temperature and high-pressure pipelines of automobiles.
The technical aim of the utility model is realized by the following technical scheme:
the quick connector comprises a plug-in shell which is plugged with an external pipeline connector and an annular sealing piece which is connected to the inner wall of the plug-in shell and is used for sealing the joint of the pipeline connector and the plug-in shell, wherein the annular sealing piece comprises more than two flexible cladding edges which are distributed in sequence in the insertion direction of the pipeline connector and are attached to the outer wall of the pipeline connector; the quick connector also comprises a limiting structure which is connected with the inner wall of the plug-in shell and limits the annular sealing element.
Therefore, in the process that the external pipeline connector stretches into the plug-in shell, the flexible coating edge of the annular sealing piece is tightly attached to the outer wall of the external pipeline connector, the flexible coating edge is coated inside the flexible coating edge, the gap between the pipeline connector and the plug-in shell is filled, and the sealing effect is achieved. To enhance the sealing effect, the annular seal comprises more than two flexible coated edges which are distributed in sequence in the insertion direction of the pipe joint. The flexible cladding edges are arranged to play a role in multiple sealing, and even if one flexible cladding edge can not guarantee sealing after receiving pressure displacement, the flexible cladding edge has another sealing role. The two flexible cladding edges also have a buffer effect, so that collision damage between the pipeline joint and the plug-in shell is prevented.
The two ends of the annular sealing piece are fixed in by the limiting structure, and the limiting structure can be a limiting block and the like which are arranged on the inner wall of the plug-in shell and limit the annular sealing piece in the limiting structure. After the annular sealing piece is limited, even if the pipeline is under the condition of positive pressure, the annular sealing piece cannot move because both ends are limited and fixed, so that the tightness of the joint of the annular sealing piece and the external pipeline and the joint of the plug-in shell is ensured all the time.
Preferably, the limiting structure comprises a sealing member blocking member for limiting the annular sealing member, and the plug housing comprises a clamping block for abutting against the sealing member blocking member; the seal stopper is detachably fixed between the clamping block and the annular seal.
Preferably, the plug housing comprises an anti-sloshing groove extending in the insertion direction of the pipe joint, and the seal stopper comprises a projection provided in the anti-sloshing groove.
Preferably, the plugging shell comprises a plugging port for plugging the pipeline joint and a side through hole which is formed in the side wall and communicated with the plugging port; the quick connector also comprises a fixing fastener limited in the side through hole; the fixing fastener comprises a clamping rod which stretches into the inserting port and clamps and fixes the pipeline joint.
Preferably, the fixing fastener comprises an abutting bent rod which is connected with the clamping rod, extends out of the side through hole and abuts against the outer wall of the plug-in housing; the plug-in shell comprises a bayonet used for being clamped with the abutting bent rod.
Preferably, the fixing fastener comprises a pull rod connected with the clamping rod and extending out of the plug-in housing, and the pull rod moves to drive the clamping rod to clamp or loosen the pipeline joint.
Preferably, the plug housing comprises a protective housing which covers the abutment bent rod.
Preferably, the limiting structure comprises a positioning boss which is used for limiting the annular sealing element together with the sealing element blocking element, and the positioning boss is fixedly connected to the inner wall of the plug housing and is abutted to one end of the annular sealing element.
Preferably, the annular seal member comprises a clamping groove, and the plug housing comprises a convex rib clamped with the clamping groove.
Preferably, the plug housing comprises a reinforcing rib arranged on the outer wall for reinforcing the overall strength.
In summary, the embodiment of the utility model has the following beneficial effects:
1. the annular sealing element comprises more than two flexible cladding edges which are distributed in sequence in the insertion direction of the pipeline joint. The flexible cladding edges are arranged to play a role in multiple sealing, and even if one flexible cladding edge can not guarantee sealing after receiving pressure displacement, the flexible cladding edge has another sealing role.
2. The annular sealing piece is limited between the sealing ring blocking piece and the positioning boss, and even if the pipeline is under the condition of positive pressure, the annular sealing piece cannot move because the two ends of the annular sealing piece are limited and fixed, so that the tightness of the joint of the annular sealing piece and the external pipeline and the joint of the plugging shell is ensured all the time.
3. The sealing piece baffle piece is detachably fixed between the clamping block and the annular sealing piece, and when the annular sealing piece is damaged and needs to be replaced, the annular sealing piece can be separated from the plug-in shell only by disassembling the sealing piece baffle piece, so that the installation is convenient, and the repeated use of the plug-in shell is facilitated.
4. The plug housing includes an anti-sloshing groove extending in the insertion direction of the pipe joint, and the seal stopper includes a projection disposed in the anti-sloshing groove. The position of the sealing element blocking piece in the plug-in shell is further fixed through the anti-shaking groove, so that the annular sealing element is prevented from being shifted. Meanwhile, the depth of the anti-shaking groove can be set, the position of the sealing element baffle in the plug-in shell is limited, and positioning of the sealing element baffle during installation is facilitated.
5. After the clamping rod of the fixing fastener clamps and fixes the pipeline joint, the position of the pipeline joint is fixed, and the pipeline joint is prevented from being separated from the plug-in shell. The side through holes are directly formed in the plug-in shell, and the fixing fasteners are arranged in the side through holes, so that the installation space is saved, and the fixing fasteners are convenient to install in narrow installation spaces such as automobile pipelines.
6. After the abutting bent rod abuts against the outer wall of the plugging shell, a hook structure is formed to be hung on the outer wall of the plugging shell, so that displacement is prevented, and the pipeline joint is fixed more firmly. In addition, the abutting bent rod is clamped in the bayonet of the plug-in shell, and further displacement is prevented.
Drawings
FIG. 1 is a schematic view of the present embodiment;
FIG. 2 is a schematic view of the installation of the splice housing, annular seal, and spacing structure;
FIG. 3 is a schematic view of the installation of the plug housing and the securing fastener;
fig. 4 is a schematic installation view of the plugging housing and the fixing fastener.
In the figure:
1. the pipeline joint comprises a pipeline joint body, 2, a plug housing body, 21, a clamping block, 22, an anti-shaking groove, 23, a plug port, 24, a side through hole, 25, a bayonet, 26, a protective shell, 27, a convex edge, 28, a reinforcing rib, 3, an annular sealing piece, 31, a flexible cladding edge, 32, a clamping groove, 4, a limiting structure, 41, a sealing piece blocking piece, 411, a convex block, 42, a positioning boss, 5, a fixing fastener, 51, a clamping rod, 52, a butt bent rod, 53 and a pull rod.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
As shown in fig. 1 and 2, a quick connector comprises a plug housing 2 plugged with an external pipeline connector 1, wherein the external pipeline connector 1 and the plug housing 2 are respectively connected with pipelines and then communicated, so that the communication of the pipelines is realized. It is also understood that the pipe joint 1 and the plug housing 2 are male and female joints as conventionally defined.
In the process of extending into the plug-in shell 2, the flexible coating edge 31 of the annular sealing element 3 is tightly attached to the outer wall of the external pipeline connector 1, and the flexible coating edge is coated inside the external pipeline connector 1, so that a gap between the pipeline connector 1 and the plug-in shell 2 is filled, and the sealing effect is achieved. To enhance the sealing effect, the annular seal 3 comprises more than two flexible coated edges 31 distributed in sequence in the direction of insertion of the pipe joint 1. The provision of more than two flexible coating edges 31 can provide multiple sealing functions, even if one flexible coating edge 31 provides additional sealing functions in the event that pressure displacement is received without ensuring sealing. The two flexible cladding edges 31 also have a buffer effect, so that collision damage between the pipeline joint 1 and the plug housing 2 is prevented. The flexible coating edge 31 should be attached to the pipe joint 1 as much as possible to increase the coating contact area, thereby enhancing the sealing performance. In the embodiment, the annular sealing member 3 is made of FVMQ fluorine silica gel material, has the advantages of good heat resistance, cold resistance, low-temperature hardness change resistance, high voltage resistance, oil resistance, acid and alkali resistance and the like, and is suitable for an automobile pipeline system.
As shown in fig. 1, two ends of the annular sealing member 3 are fixed by a limiting structure 4, the limiting structure 4 comprises a sealing member blocking member 41 and a positioning boss 42, and the positioning boss 42 is fixedly connected to the inner wall of the plugging housing 2. When the annular sealing element 3 is installed, the bottom of the annular sealing element 3 is abutted against the positioning boss 42, and one end of the annular sealing element 3 is fixed by the positioning boss 42. Then, the seal stopper 41 is abutted against the other end of the annular seal 3, and the seal stopper 41 is fixed between the fixture block 21 and the annular seal 3 by the fixture block 21 on the plug housing 2. The installation of the annular sealing element 3 is completed, and the annular sealing element 3 is limited between the sealing element baffle 41 and the positioning boss 42, unlike the installation using the installation groove in the past, even if the pipeline is under the condition of positive pressure, the annular sealing element 3 cannot move due to the fact that the two ends of the annular sealing element are limited and fixed, so that the tightness of the joint of the annular sealing element 3 and the external pipeline joint 1 and the plugging shell 2 is guaranteed all the time.
The positioning boss 42 can play a role in positioning the mounting position of the annular seal member 3 due to the fixed position. The positioning boss 42 is a circle of boss arranged around the inner wall of the plug housing 2. In addition, the sealing member blocking member 41 is detachably fixed between the clamping block 21 and the annular sealing member 3, and when the annular sealing member 3 is damaged and needs to be replaced, the annular sealing member 3 can be separated from the plug housing 2 only by detaching the sealing member blocking member 41, so that the installation is convenient, and the repeated use of the plug housing 2 is facilitated. The seal stopper 41 has a ring structure made of nylon.
The annular seal 3 includes a locking groove 32, and the plug housing 2 includes a rib 27 locked to the locking groove 32. The clamping groove 32 cooperates with the rib 27 to further fix the annular seal 3.
As shown in fig. 1, the plug housing 2 includes an anti-sloshing groove 22 extending in the insertion direction of the pipe joint 1, and the seal stopper 41 includes a projection 411 provided in the anti-sloshing groove 22. The position of the seal stop 41 in the plug housing 2 is further fixed by the anti-sloshing groove 22, so that displacement of the annular seal 3 is avoided. At the same time, the depth of the anti-sloshing groove 22 can be set, so that the position of the sealing element baffle 41 in the plug housing 2 is limited, and the positioning of the sealing element baffle 41 during installation is facilitated.
As shown in fig. 3, the plugging housing 2 includes a plugging port 23 for plugging the pipe joint 1 and a side through hole 24 opened in a side wall and communicating with the plugging port 23; the quick connector further comprises a fixing fastener 5 limited in the side through hole 24, wherein the fixing fastener 5 can be limited in the side through hole 24 through a clamping groove clamping manner and the like. The fixing fastener 5 comprises a clamping rod 51 which extends into the plug-in port 23 and clamps and fixes the pipeline joint 1. After the pipe joint 1 is clamped and fixed inside by the clamping rod 51, the position of the pipe joint 1 is fixed, and the pipe joint is prevented from being separated from the plug housing 2. The side through holes 24 are directly formed in the plug-in shell 2, and the fixing fasteners 5 are arranged in the side through holes 24, so that the installation space is saved, and the fixing fasteners are convenient to install in narrow installation spaces such as automobile pipelines.
As shown in fig. 3 and 4, the fixing buckle 5 includes an abutting bent rod 52 connected to the locking rod 51 and extending out of the side through hole 24 and abutting against the outer wall of the plug housing 2, for fixing the relative position of the locking rod 51 and the plug housing 2. After the abutting bent rod 52 abuts against the outer wall of the plug-in housing 2, a hook structure is formed to hang on the outer wall of the plug-in housing 2, so that displacement is prevented, and the pipeline joint 1 is fixed more firmly. The abutment bent lever 52 is engaged with the bayonet 25 of the plug housing 2, thereby further preventing displacement. The bayonet 25 may be provided in a position when the abutment bent lever 52 clamps the pipe fitting 1 to fix the abutment bent lever 52 from being separated from the pipe fitting 1; the bayonet 25 can also be arranged in the direction of withdrawing the abutting bent rod 52, the bayonet 25 is arranged at a position when the abutting bent rod 52 is disconnected with the pipeline joint 1, when the pipeline joint 1 is pulled out, the abutting bent rod 52 is moved to be disconnected with the pipeline joint 1, the abutting bent rod 52 is clamped in the bayonet 25 at a fixed position, the abutting bent rod 52 is prevented from moving, and the pipeline joint 1 is convenient to detach.
In order to facilitate connection and disconnection of the pipeline, the fixing fastener 5 comprises a pull rod 53 connected with the clamping rod 51 and extending out of the plug-in housing 2, and the pull rod 53 moves to drive the clamping rod 51 to clamp or unclamp the pipeline joint 1.
The plug housing 2 contains a protective shell 26 which covers the abutment bent lever 52 inside, so that displacement under the influence of external forces is avoided.
The plug housing 2 is in this embodiment an injection molded part to reduce the overall weight and manufacturing costs. And the injection molding piece can be connected with the pipeline through welding, special procedures and equipment are not needed, and the injection molding piece is convenient to be connected with the pipeline. To strengthen the overall strength of the plug housing 2, the plug housing 2 comprises reinforcing ribs 28 arranged on the outer wall.
Claims (10)
1. The quick connector comprises a plug-in shell (2) which is plugged with an external pipeline connector (1) and an annular sealing piece (3) which is connected to the inner wall of the plug-in shell (2) and is used for sealing the joint of the pipeline connector (1) and the plug-in shell (2), and is characterized in that the annular sealing piece (3) comprises more than two flexible cladding edges (31) which are distributed in sequence in the plug-in direction of the pipeline connector (1) and are attached to the outer wall of the pipeline connector (1); the quick connector also comprises a limiting structure (4) which is connected with the inner wall of the plug-in shell (2) and limits the annular sealing piece (3).
2. A quick connector according to claim 1, wherein the limiting structure (4) comprises a seal stopper (41) for limiting the annular seal (3), and the plug housing (2) comprises a clamping block (21) for abutting against the seal stopper (41); the seal stopper (41) is detachably fixed between the clamping block (21) and the annular seal (3).
3. A quick connector according to claim 2, wherein the plug housing (2) comprises an anti-sloshing groove (22) extending in the direction of insertion of the pipe connector (1), and the seal stopper (41) comprises a projection (411) arranged in the anti-sloshing groove (22).
4. A quick connector according to claim 1, wherein the plug housing (2) comprises a plug interface (23) for plugging the pipe connector (1) and a side through hole (24) which is formed in a side wall and is communicated with the plug interface (23); the quick connector also comprises a fixing fastener (5) limited in the side through hole (24); the fixing fastener (5) comprises a clamping rod (51) which stretches into the plug-in port (23) and clamps and fixes the pipeline joint (1).
5. A quick connector according to claim 4, wherein the fixing fastener (5) comprises an abutting bent rod (52) which is connected with the clamping rod (51) and extends out of the side through hole (24) and abuts against the outer wall of the plug housing (2); the plug housing (2) comprises a bayonet (25) for clamping the abutment bent rod (52).
6. A quick connector according to claim 5, wherein the fixing fastener (5) comprises a pull rod (53) connected with the clamping rod (51) and extending out of the plug-in housing (2), and the pull rod (53) moves to drive the clamping rod (51) to clamp or unclamp the pipeline connector (1).
7. A quick connector according to claim 5, characterized in that the plug housing (2) comprises a protective shell (26) covering the abutment bent rod (52) inside.
8. A quick connector according to claim 2, wherein the limiting structure (4) comprises a positioning boss (42) which limits the annular sealing element (3) together with the sealing element blocking element (41), and the positioning boss (42) is fixedly connected to the inner wall of the plug housing (2) and is abutted against one end of the annular sealing element (3).
9. A quick connector according to claim 7, wherein the annular seal (3) comprises a clamping groove (32) and the plug housing (2) comprises a rib (27) which is clamped with the clamping groove (32).
10. A quick connector according to claim 1, wherein the plug housing (2) comprises reinforcing ribs (28) provided on the outer wall for reinforcing the overall strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320525694.5U CN219623488U (en) | 2023-03-17 | 2023-03-17 | Quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320525694.5U CN219623488U (en) | 2023-03-17 | 2023-03-17 | Quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219623488U true CN219623488U (en) | 2023-09-01 |
Family
ID=87769051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320525694.5U Active CN219623488U (en) | 2023-03-17 | 2023-03-17 | Quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219623488U (en) |
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2023
- 2023-03-17 CN CN202320525694.5U patent/CN219623488U/en active Active
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