CN210890535U - Quick connector for air brake pipeline - Google Patents
Quick connector for air brake pipeline Download PDFInfo
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- CN210890535U CN210890535U CN201921834230.2U CN201921834230U CN210890535U CN 210890535 U CN210890535 U CN 210890535U CN 201921834230 U CN201921834230 U CN 201921834230U CN 210890535 U CN210890535 U CN 210890535U
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Abstract
The utility model discloses a quick connector for a pneumatic brake pipeline, which comprises a male connector and a hollow bolt assembly which are mutually inserted, wherein the male connector comprises a male connector body, a first sealing ring and a second sealing ring; the hollow bolt assembly comprises a hollow bolt body, a clamp and a third sealing ring, wherein the inside of the hollow bolt body is inserted into the quick-insertion end of the male connector and is fixed through the clamp in a clamping mode. Implement the utility model discloses, through with the male joint nylon tube of connecting, the EBS valve is connected to the hollow bolt assembly, pegs graft male joint and hollow bolt assembly again and makes the connection structure of EBS valve simple among the commercial car pneumatic braking system, and occupation space is little, connects convenient, reliable, easily dismantles.
Description
Technical Field
The invention relates to the technical field of automobile pipeline connectors, in particular to a quick connector for an air brake pipeline.
Background
According to GB72587.2.12, a dangerous goods transport truck with the total mass of 12000kg or more is required to be provided with an electronic control brake system (EBS), while an EBS valve connecting port in the conventional commercial vehicle pneumatic brake system is a non-commercial vehicle A-type quick-plug standard port, if a user requires a quick connection in a quick-plug connector mode, for example, quick connection is realized in a transition connector mode existing in the market, one end of the quick-plug standard port is connected with the EBS valve, and the other end of the quick-plug standard port is an A-type quick-plug female interface.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the quick connector for the air brake pipeline, the male connector is connected with the nylon pipe, the hollow bolt assembly is connected with the EBS valve, and the male connector is connected with the hollow bolt assembly in an inserting manner, so that the EBS valve in the commercial vehicle air brake system has a simple connecting structure, small occupied space, convenient and reliable connection and easy disassembly.
The technical effect to be achieved by the invention is realized by the following scheme: a quick connector for a pneumatic brake pipeline comprises a male connector and a hollow bolt assembly which are mutually connected in an inserting mode, wherein the male connector comprises a male connector body, a first sealing ring and a second sealing ring; the hollow bolt assembly comprises a hollow bolt body, a clamp and a third sealing ring, wherein the inside of the hollow bolt body is inserted into the quick-insertion end of the male connector and is fixed through the clamp in a clamping mode.
Preferably, the quick-inserting end of the male joint body is provided with a first groove for accommodating the first sealing ring, a second groove for accommodating the second sealing ring and a first clamping groove for clamping the clamp.
Preferably, first recess, second recess and first draw-in groove set up in the end of inserting soon of male joint body in proper order, the draw-in groove is close to the end setting of inserting soon the end, first sealing washer and second sealing washer all closely cooperate with the inner wall of hollow bolt body.
Preferably, the first groove is further provided with a boss.
Preferably, the end of the quick-insertion end is of a wedge-shaped structure.
Preferably, the hollow bolt body is provided with a third groove for accommodating a third sealing ring and a threaded end in threaded connection with the EBS valve port on the outside.
Preferably, the threaded end of the hollow bolt body is further provided with a second clamping groove clamped with one end of the clamp, and the threaded end of the hollow bolt is fixedly clamped with the end of the clamp.
Preferably, the other end of the clamp is an elastic clamping structure, and the elastic clamping structure is clamped and fixed with the first clamping groove during assembly.
Preferably, the number of the elastic clamping structures is two, the elastic clamping structures are formed at the other end of the clamp in a centrosymmetric mode, and the tail ends of the elastic clamping structures are in an inward-contracting shape.
Preferably, the elastic clamping structure is further provided with a positioning piece for preventing the clamp from excessively expanding and an opening hole for facilitating the expansion of the clamp.
The invention has the following advantages:
1. the male connector is connected with the nylon pipe, the hollow bolt assembly is connected with the EBS valve, and then the male connector is spliced with the hollow bolt assembly, so that the EBS valve in the commercial vehicle pneumatic braking system has a simple connecting structure, small occupied space, convenient and reliable connection and easy disassembly;
2. the first sealing ring and the second sealing ring are arranged on the male joint and are compressed and sealed by the inner wall of the hollow bolt body, and the double functions of sealing and shock absorption are improved by adopting an external sealing mode and a double sealing mode;
3. the boss structure is arranged on the first groove corresponding to the first sealing ring, so that the dual functions of sealing improvement and shock absorption are further achieved;
4. through setting up the spacer with the structural setting of elasticity joint, have the effect of location and protection, avoid opening a mouthful too big risk of breaking disconnected with the elasticity joint structure off with the fingers and thumb when opening the checkpost.
Drawings
FIG. 1 is a schematic plan view of a quick connector for an air brake pipe according to the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic perspective exploded view of a quick connector for an air brake pipe according to the present invention;
FIG. 4 is a schematic cross-sectional view of a male connector body of a quick connector for an air brake line according to the present invention;
FIG. 5 is a schematic cross-sectional view of a hollow bolt body and a clip in a quick connector for an air brake pipe according to the present invention;
fig. 6 is a schematic perspective view of a clip in a quick connector for an air brake pipe according to the present invention.
Detailed Description
The invention is described in detail below with reference to the drawings, wherein examples of the embodiments are shown in the drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third" 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," "second," or "third" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the interconnection of two elements or through the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The embodiment of the invention provides a quick connector for an air brake pipeline, which is particularly suitable for a commercial vehicle air brake system. As shown in fig. 1 to 3, the quick-connect connector includes a male connector 100 and a hollow bolt assembly 200, which are connected with each other in an inserting manner, wherein the male connector 100 includes a male connector body 110, a first sealing ring 120 and a second sealing ring 130, one end of the male connector 100 is a quick-connect end for quick-connect connection with the hollow bolt assembly, and the other end of the male connector 100 is a connection end for connection with a nylon pipe; the hollow bolt assembly 200 comprises a hollow bolt body 210, a clip 220 and a third sealing ring 230, wherein the interior of the hollow bolt body 210 is inserted into the quick-plugging end of the male connector 100 and is clamped and fixed through the clip 220, and the exterior of the hollow bolt body 210 is connected with the EBS valve port.
When the quick connector of the embodiment of the invention is assembled, firstly, the hollow bolt assembly 200 is installed in the EBS valve port, then the third sealing ring 230 on the hollow bolt assembly 200 is compressed to be connected with the EBS valve port to form sealing, then the male connector 100 is firstly connected with the nylon pipe, then the quick connector end of the male connector 100 is directly inserted into the hollow bolt assembly 200, the first sealing ring 120 and the second sealing ring 130 on the male connector 100 are compressed by the inner wall of the hollow bolt body 210 to play a sealing role, and the male connector 100 is clamped and fixed through the clamp 220 on the hollow bolt assembly 200, so that the quick connector is simple in structure, small in occupied space, convenient and reliable in connection and easy to disassemble.
According to the embodiment of the invention, the male connector 100 is connected with the nylon pipe firstly, the hollow bolt assembly 200 is connected with the EBS valve firstly, and then the male connector 100 and the hollow bolt assembly 100 are quickly inserted, so that compared with the prior art that the parts are assembled respectively, the assembly is simpler, and the assembly efficiency is improved.
The first sealing ring 120 and the second sealing ring 130 are sealed in an outer sealing manner, and are sealed in a double sealing manner to improve the sealing performance between the male joint 100 and the hollow bolt assembly 200.
Specifically, as shown in fig. 4, the quick-plugging end of the male connector body 110 is provided with a first groove 111 for accommodating the first sealing ring 120, a second groove 112 for accommodating the second sealing ring 130, and a first clamping groove 113 for clamping the clip 220, wherein the first groove 111 may further be provided with a boss to enhance the sealing performance of the first sealing ring 120 and play a role in damping. Preferably, the first groove 111, the second groove 112 and the first locking groove 113 are sequentially formed at the quick-insertion end of the male connector body 110, the locking groove is formed near the end of the quick-insertion end, and in an assembly state, the first sealing ring 120 and the second sealing ring 130 are tightly matched with the inner wall of the hollow bolt body 210, so that the insertion sealing performance is improved. The end of the quick-insertion end is preferably wedge-shaped, and the end is gradually enlarged so that the clip 220 can smoothly slide into the first slot 113.
The preferred bamboo joint formula link of male joint body 110, the bamboo joint formula structure makes the link insert the intraductal back leakproofness of nylon good, is difficult to drop.
As shown in fig. 5, a third groove 211 for accommodating the third sealing ring 230 and a threaded end 212 for being in threaded connection with the EBS valve port are disposed outside the hollow bolt body 210, the threaded end 212 of the hollow bolt body 210 is further provided with a second clamping groove 213 for being clamped with one end of the clip 220, the threaded end 212 of the hollow bolt is clamped and fixed with the end of the clip 220, the other end of the clip 220 is an elastic clamping structure, the elastic clamping structure is expanded by a wedge-shaped end of the quick-insertion end when the quick-insertion end of the male connector 100 is inserted, so that the elastic clamping structure enters the first clamping groove 113 of the quick-insertion end, and the elastic clamping structure entering the first clamping groove 113 rebounds to form clamping and fixing of the first clamping groove 113.
As shown in fig. 6, the two elastic clamping structures are preferably formed at the other end of the clip 220 in a centrosymmetric manner, and the ends of the elastic clamping structures are retracted inward so as to be better clamped and fixed with the first clamping groove 113. Elasticity joint structure still is equipped with and is used for preventing that checkpost 220 from excessively opening spacer 221 and offering the checkpost 220 of being convenient for open and open hole 222, spacer 221 plays the location butt effect when elasticity joint structure is open mode and opens the risk that too big leads to the fracture in order to prevent elasticity joint structure, open hole 222 can convenience of customers utilize instrument or manual to strut elasticity joint structure so that release out from the draw-in groove with elasticity joint structure.
When the quick-plugging connector is installed, the connecting end of the male connector 100 is fixedly connected with the nylon pipe in a plugging manner, the threaded end 212 of the hollow bolt assembly 200 is fixedly connected with the EBS valve port in a threaded manner, the quick-plugging end of the male connector 100 is inserted into the hollow bolt assembly 200, the first sealing ring 120 and the second sealing ring 130 of the male connector 100 are matched with the inner wall of the hollow bolt body 210, the second sealing ring 130 is compressed to form sealing, the first sealing ring 120 is compressed by the boss in the first groove 111 to form sealing and is matched with the inner wall surface of the hollow bolt body 210, and the force for pushing outwards is exerted after the clamp 220 is connected, and the first sealing ring 120 and the second sealing ring 130 have elasticity and can also play a role in shock absorption. Meanwhile, under the action of the assembling force, the elastic clamping structure of the clip 220 and the wedge-shaped end of the male connector 100 are firstly unfolded to enable the elastic clamping structure to slide over the wedge-shaped end so as to enter the clamping groove, and then the elastic clamping structure in the clamping groove rebounds to enable the elastic clamping structure to be clamped in the clamping groove to form fixed connection, so that the male connector 100 and the hollow bolt assembly 200 are quickly and fixedly connected.
When the quick connector is disassembled, the opening pliers are used for stretching into the opening holes 222 to open the elastic clamping structure of the clips 220, the elastic clamping structure is separated from the clamping grooves, and the male connector 100 assembly is pulled outwards by external force to complete the disassembly.
The quick connector adopts a mode that the male connector 100 and the hollow bolt assembly 200 are separated, so that the quick connector is very quick to connect, occupies small space, saves the mode of adopting a transition connector originally, reduces the labor intensity of the connection mode and the leakage point, and has more attractive effect after installation, better sealing performance and convenient replacement.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and not for limiting the same, and although the embodiments of the present invention are described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the embodiments of the present invention, and these modifications or equivalent substitutions cannot make the modified technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A quick connector for a pneumatic brake pipeline is characterized by comprising a male connector and a hollow bolt assembly which are mutually connected in an inserting mode, wherein the male connector comprises a male connector body, a first sealing ring and a second sealing ring; the hollow bolt assembly comprises a hollow bolt body, a clamp and a third sealing ring, wherein the inside of the hollow bolt body is inserted into the quick-insertion end of the male connector and is fixed through the clamp in a clamping mode.
2. The quick connector as claimed in claim 1, wherein the quick connector end of the male connector body is provided with a first groove for receiving the first sealing ring, a second groove for receiving the second sealing ring, and a first engaging groove for engaging with the engaging clip.
3. The quick connector as claimed in claim 2, wherein the first groove, the second groove and the first engaging groove are sequentially formed at the quick insertion end of the male connector body, the engaging groove is formed near the end of the quick insertion end, and the first sealing ring and the second sealing ring are tightly engaged with the inner wall of the hollow bolt body.
4. A quick-connect coupling for a pneumatic brake line as claimed in claim 2 or 3, wherein said first recess is further provided with a boss.
5. The quick connector for an air brake pipe according to claim 3, wherein the end of the quick connector is wedge-shaped.
6. The quick connector for an air brake pipe according to claim 2, wherein the hollow bolt body is provided at an outer portion thereof with a third groove for receiving a third packing and with a threaded end for threaded connection with the EBS valve port.
7. The quick connector for the air brake pipe according to claim 6, wherein the threaded end of the hollow bolt body is further provided with a second engaging groove engaged with one end of the clip, and the threaded end of the hollow bolt is engaged and fixed with the end of the clip.
8. The quick connector as claimed in claim 7, wherein the other end of the clip is an elastic clamping structure, and the elastic clamping structure is clamped and fixed with the first clamping groove during assembly.
9. The quick connector for an air brake pipe as claimed in claim 8, wherein the two resilient latch structures are formed at the other end of the clip in a central symmetry manner, and the ends of the resilient latch structures are retracted.
10. The quick connector for an air brake line as claimed in claim 8 or 9, wherein the elastic clamping structure is further provided with a positioning piece for preventing the clip from being excessively spread and an opening hole for facilitating the spreading of the clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921834230.2U CN210890535U (en) | 2019-10-29 | 2019-10-29 | Quick connector for air brake pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921834230.2U CN210890535U (en) | 2019-10-29 | 2019-10-29 | Quick connector for air brake pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210890535U true CN210890535U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921834230.2U Active CN210890535U (en) | 2019-10-29 | 2019-10-29 | Quick connector for air brake pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210890535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686131A (en) * | 2019-10-29 | 2020-01-14 | 河北亚大汽车塑料制品有限公司 | Quick connector for air brake pipeline |
| CN115143332A (en) * | 2022-07-28 | 2022-10-04 | 河北亚大汽车塑料制品有限公司 | Fluid universal quick connector capable of being unlocked quickly |
-
2019
- 2019-10-29 CN CN201921834230.2U patent/CN210890535U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686131A (en) * | 2019-10-29 | 2020-01-14 | 河北亚大汽车塑料制品有限公司 | Quick connector for air brake pipeline |
| CN115143332A (en) * | 2022-07-28 | 2022-10-04 | 河北亚大汽车塑料制品有限公司 | Fluid universal quick connector capable of being unlocked quickly |
| CN115143332B (en) * | 2022-07-28 | 2024-03-26 | 河北亚大汽车塑料制品有限公司 | Universal quick connector capable of being quickly unlocked for fluid |
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