CN111561622A - Quick plug head assembly for automobile hydraulic pipeline - Google Patents

Quick plug head assembly for automobile hydraulic pipeline Download PDF

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Publication number
CN111561622A
CN111561622A CN202010449245.8A CN202010449245A CN111561622A CN 111561622 A CN111561622 A CN 111561622A CN 202010449245 A CN202010449245 A CN 202010449245A CN 111561622 A CN111561622 A CN 111561622A
Authority
CN
China
Prior art keywords
groove
connector assembly
male
main body
joint main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010449245.8A
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Chinese (zh)
Inventor
张伯伦
初秀文
李宏杰
冯永亮
贺国旗
安琪
周玉萍
李健
郝春宇
王陆平
陈云朋
范晋铭
赵鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changchun Chinaust Automobile Parts Co ltd
Original Assignee
Changchun Chinaust Automobile Parts Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changchun Chinaust Automobile Parts Co ltd filed Critical Changchun Chinaust Automobile Parts Co ltd
Priority to CN202010449245.8A priority Critical patent/CN111561622A/en
Publication of CN111561622A publication Critical patent/CN111561622A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/28Couplings of the quick-acting type with fluid cut-off means
    • F16L37/38Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
    • F16L37/40Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/0841Couplings 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 transversally slidable locking member surrounding the tube

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The invention discloses a quick plug assembly for an automobile hydraulic pipeline, which comprises a male connector assembly and a female connector assembly which are connected in a quick plug manner, wherein the male connector assembly comprises a male connector main body; the female joint assembly comprises a female joint main body, a valve body and an elastic piece, wherein a first groove matched with the inserting end of the male joint main body is formed in the inserting end of the female joint main body; the second recess has been seted up to the other end of female joint main part, the valve body forms between first recess and second recess, the elastic component sets up in the second recess and fixed with the valve body butt, when the male joint main part did not insert the female joint main part, first recess of valve body seal and second recess, when the male joint main part inserted the female joint main part seal fixedly, the valve body was promoted by the male joint main part to switching on first recess and second recess, can realize the high-speed joint of pipeline, can also ensure that the pipeline is oil-tight before connecting.

Description

Quick plug head assembly for automobile hydraulic pipeline
Technical Field
The invention relates to the technical field of quick connecting joints, in particular to a quick connecting plug assembly for an automobile hydraulic pipeline.
Background
In the current medium pressure pipeline system of the automobile, the connection between the pipeline and the system mainly has two types:
one is a threaded connection, relying on a contact surface or closure line to ensure sealing, as shown in fig. 1. In the actual use process, certain tightening torque is required, and the efficiency is low.
The other is a quick-plug connection, with sealing ensured by rubber sealing rings, as shown in fig. 2. Can realize high-speed joint, nevertheless the structure is complicated, and it is very inconvenient to dismantle, need unscrew locking nut after, just can disassemble the male and female joint, the maintainability is not good.
Meanwhile, before the pipeline is installed or after the pipeline is detached, if the system medium is required to be not leaked, a common method is to pre-install a plug or a joint, and the plug or the joint is quickly taken down during assembly and then connected with the pipeline. Even so, it still causes some leakage of the medium or a drop in the system pressure, and the operability is poor.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a quick connector assembly for an automobile hydraulic pipeline, which can realize quick connection of pipelines and ensure that the pipelines are not leaked with oil before connection.
The technical effect to be achieved by the invention is realized by the following scheme: a quick connector assembly for an automotive hydraulic line comprises a male connector assembly and a female connector assembly which are connected in a quick-plugging manner, wherein the male connector assembly comprises a male connector main body; the female joint assembly comprises a female joint main body, a valve body and an elastic piece, wherein a first groove matched with the inserting end of the male joint main body is formed in the inserting end of the female joint main body; the other end of the female joint main body is provided with a second groove, the valve body is formed between the first groove and the second groove, the elastic piece is arranged in the second groove and is abutted and fixed with the valve body, when the male joint main body is not inserted into the female joint main body, the valve body seals the first groove and the second groove, and when the male joint main body is inserted into the female joint main body for sealing and fixing, the valve body is pushed by the male joint main body to be communicated with the first groove and the second groove.
Preferably, the male joint assembly further comprises a retainer ring and a seal ring, a first annular groove is formed in the outer peripheral surface of the insertion end of the male joint main body, and the retainer ring and the seal ring are assembled in the first annular groove.
Preferably, the female joint assembly further comprises a clamp spring, and a clamp spring groove for accommodating the clamp spring is further formed in the inserting end of the female joint main body; and when the male joint body is spliced with the female joint body, the clamp spring is clamped in the second annular groove.
Preferably, the male fitting assembly further comprises a press cap fitted within the second annular groove.
Preferably, the male joint assembly further comprises a dust cap, one end of the dust cap is fixed with the male joint main body, and the other end of the dust cap is fixed with the female joint main body.
Preferably, the elastic part is a pressure spring, and the right end of the valve body is inserted into the pressure spring and is abutted and fixed with the pressure spring.
Preferably, between the first annular groove and the second annular groove of the male fitting body is a gradually increasing cone structure.
Preferably, a third groove for medium circulation is formed in the valve body.
The invention has the following advantages:
through utilizing the structure that the valve body seals or switches on the first groove and the second groove, the male joint assembly and the female joint assembly can seal a medium when not being plugged, leakage is avoided, the male joint main body is simply pushed when the male joint assembly and the female joint assembly are plugged, and then the valve body is pushed to move, so that the male joint main body and the female joint main body can be switched on, and the structure is simple and the manufacturing cost is low.
Drawings
FIG. 1 is a schematic view of a prior art threaded connection;
FIG. 2 is a schematic view of another prior art quick-connect coupling;
FIG. 3 is a schematic cross-sectional view of the assembled quick connector assembly for hydraulic lines of an automobile according to the present invention;
FIG. 4 is a schematic cross-sectional view of a male connector assembly of the quick connector assembly for hydraulic lines of an automobile according to the present invention;
FIG. 5 is a schematic cross-sectional view of a male connector assembly of the quick connector assembly for hydraulic lines of an automobile according to the present invention in an exploded state;
FIG. 6 is a schematic cross-sectional view of a female connector assembly of the quick connector assembly for hydraulic lines of an automobile according to the present invention;
FIG. 7 is a schematic cross-sectional view of a female connector assembly of the quick connector assembly for hydraulic lines of an automobile according to the present invention in an exploded state;
fig. 8 is a cross-sectional structural view showing a cross-section of the valve body at a-a in fig. 7.
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-plug connector assembly for an automobile hydraulic pipeline, which comprises a male connector assembly 100 and a female connector assembly 200 (a left-right horizontal plug connection is taken as an example in the drawing), wherein one end of the male connector assembly 100, which is back to the female connector assembly 200, is usually pre-assembled in a hose in the pipeline, one end of the female connector assembly 200, which is back to the male connector assembly 100, is usually pre-assembled on a cylinder body or a pump body, and the connection and the sealing of the pipeline and the pump body or the cylinder body are realized through the quick-plug connection of the male connector assembly 100 and the female connector assembly 200.
Specifically, as shown in fig. 3 to 7, the male joint assembly 100 includes a male joint body 110, and an axial direction of the male joint body 110 is an inner hollow structure for circulating a medium. The female joint assembly 200 comprises a female joint main body 210, a valve body 220 and an elastic member 230, wherein a first groove 211 matched with the plugging end of the male joint main body 110 is formed in the plugging end of the female joint main body 210, and when the male joint main body 110 is plugged, the plugging end is hermetically fixed in the plugging end of the female joint main body 210.
The other end of the female coupling body 210 is opened with a second groove 212, the valve body 220 is formed between the first groove 211 and the second groove 212, the elastic member 230 is disposed in the second groove 212 and is abutted and fixed with the valve body 220, the valve body 220 seals the first groove 211 and the second groove 212 when the male coupling body 110 is not inserted into the female coupling body 210, and the valve body 220 is pushed by the male coupling body 110 to conduct the first groove 211 and the second groove 212 when the male coupling body 110 is inserted into the female coupling body 210 to be sealed and fixed, so that the male coupling body 110 and the female coupling body 210 are conducted, and a medium circulation passage is formed. The valve body 220 can be further provided with an O-ring 221 for enhancing the sealing effect between the valve body 220 and the second groove 212, and effectively preventing the medium from leaking. The elastic member 230 is preferably a compression spring, and the right end of the valve body 220 is inserted into the compression spring and is fixed in contact with the compression spring.
According to the invention, by utilizing the structure that the valve body 220 seals or conducts the first groove 211 and the second groove 212, when the male joint assembly 100 and the female joint assembly 200 are not plugged, a medium can be sealed, and leakage is avoided, when the male joint assembly 100 and the female joint assembly 200 are plugged, the male joint main body 110 is simply pushed, and then the valve body 220 is pushed to move, so that the male joint main body 110 and the female joint main body 210 can be conducted, the structure is simple, and the manufacturing cost is low.
Further, the male joint assembly 100 further includes a retainer ring 120 and a seal ring 130, a first annular groove 111 is formed on an outer peripheral surface of the insertion end of the male joint body 110, and the retainer ring 120 and the seal ring 130 are fitted in the first annular groove 111. The retainer ring 120 and the seal ring 130 are used for interference fit between the peripheries of the retainer ring 120 and the seal ring 130 and the inner side wall of the first groove 211 of the female joint main body 210 when the male joint main body 110 and the female joint main body 210 are inserted, so that a sealing effect is achieved.
Further, the female joint assembly 200 further includes a snap spring 240, and a snap spring groove 213 for accommodating the snap spring 240 is further disposed in the insertion end of the female joint main body 210; the peripheral surface of the male joint main body 110 is further provided with a second annular groove 112, when the male joint main body 110 is spliced with the female joint main body 210, the clamp spring 240 is clamped in the second annular groove 112, and the clamp of the clamp spring 240 is fixed to enable the male joint main body 110 and the female joint main body 210 to be fixed and cannot move back. Preferably, the male connector assembly 100 further comprises a pressing cap 140, the pressing cap 140 is assembled in the second annular groove 112, and when the male connector body 110 needs to be disassembled from the female connector body 210, the pressing cap 140 is pushed by external force to slide axially to spread the snap spring 240, so that the snap spring 240 is no longer clamped with the male connector body 110, and thus the male connector assembly 100 can be pulled out from the first groove 211 of the female connector body 210.
In the embodiment of the present invention, it should be understood that a gradually increasing taper structure is formed between the first annular groove 111 and the second annular groove 112 of the male connector body 110, so that when the male connector body 110 is inserted into the female connector body 210, the taper structure may gradually expand the clamp spring 240, so that the clamp spring 240 radially expands, and when the clamp spring 240 reaches the second groove 212, since the outer diameter of the second groove 212 is smaller than the outer diameter of the taper structure, the clamp spring 240 radially contracts in the second groove 212 to a natural state, so that the clamp spring 240 is clamped and fixed with the male connector body 110.
As a further improvement of the embodiment of the present invention, the male joint assembly 100 further includes a dust cap 150, one end of the dust cap 150 is fixed to the male joint main body 110, and the other end is fixed to the female joint main body 210, so as to seal the splicing interface between the male joint main body 110 and the female joint main body 210, and prevent dust from entering the splicing position and causing subsequent difficulty in disassembly.
Referring to fig. 8, the valve body 220 according to the embodiment of the present invention is provided with a third groove 222 for medium to flow through, when the male connector body is not inserted into the female connector body, the third groove 222 is in sealing connection with the second groove 212, when the male connector body is inserted into the female connector body and pushes the valve body 220 in an abutting manner, the valve body 220 moves toward the second groove 212, so that the third groove 222 is communicated with the second groove 212, and the second groove 212 is communicated with the first groove 211, thereby achieving the purpose of medium flow through the communication between the male connector body 110 and the female connector body 210.
It should be added that the main structure of the present invention is assembled by the form of body + valve core + sealing member, and the valve core and other components are put into the body from the far end position of the plugging end of the male joint main body 110 of the body, as shown in the right side of fig. 6. However, the joint in the prior art is usually assembled in the form of a body + a valve seat + a valve core + a sealing element, and components such as the valve core and the like are installed from the same side of the male joint insertion end of the body, so that the structural composition and the installation mode are essentially different. The quick plug head assembly has the advantages of simple structure, easier processing, and convenience for reducing the cost and realizing smaller aperture and overall dimension, thereby facilitating the miniaturization and light weight of products.
When the quick connector assembly according to the embodiment of the present invention is assembled, the retainer ring 120 and the seal ring 130 are assembled in the first annular groove 111, and the pressing cap 140 is assembled in the second annular groove 112 to form the male connector assembly 100; the snap spring 240 is fitted in the snap spring groove 213, the elastic member 230 is fitted in the second groove 212 and fixed in abutment with the right end of the valve body 220, and the valve body 220 is formed between the first groove 211 and the second groove 212 to assemble the female joint assembly 200. And then the inserting end of the male joint assembly 100 is inserted into the female joint assembly 200, at this time, the sealing ring 130 and the retainer ring 120 are in interference fit with the first groove 211 to form sealing, the snap spring 240 is clamped in the second annular groove 112 to fix the male joint main body 110 and the female joint main body 210, the right end of the male joint main body 110 abuts against the valve body 220 and pushes the valve body 220 to move rightwards until the second groove 212 is communicated with the first groove 211 so as to conduct the male joint main body 110 and the female joint main body 210, and the structure is simple and the manufacturing cost is low.
When the quick connector assembly of the embodiment of the invention is disassembled, the pressing cap 140 is pushed rightwards into the snap spring 240 by external force (for example, a disassembling tool), so that the snap spring 240 is radially expanded to unlock the snap spring 240 and the male connector main body 110, the male connector assembly 100 is pulled out by the external force, the male connector main body 110 moves leftwards, the elastic member 230 is gradually reset, and the valve body 220 is pushed to move leftwards to seal the second groove 212, thereby effectively preventing medium leakage, being simple to disassemble and being convenient to maintain.
In the embodiment of the present invention, the male joint body 110 and the female joint body 210 may be made of stainless steel, carbon steel, copper, or engineering plastics, so as to meet different use conditions and cost requirements. The valve body 220 can be manufactured by injection molding to reduce the cost. The retainer ring 120 is made of PTFE material and has good high and low temperature performance, and the seal ring 130 can be made of different rubber materials according to the properties of transmission media. The pressure cap 140 can be made of stainless steel, so that good corrosion resistance is guaranteed, and the use requirement is met; the clamp spring 240 is also made of stainless steel materials, and the service life is guaranteed. The pressure spring can be made of stainless steel spring wire material, and the dust cap 150 can be made of various weather-resistant rubber materials.
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 (8)

1. A quick connector assembly for an automotive hydraulic line comprises a male connector assembly and a female connector assembly which are connected in a quick-plugging manner, and is characterized in that the male connector assembly comprises a male connector main body; the female joint assembly comprises a female joint main body, a valve body and an elastic piece, wherein a first groove matched with the inserting end of the male joint main body is formed in the inserting end of the female joint main body; the other end of the female joint main body is provided with a second groove, the valve body is formed between the first groove and the second groove, the elastic piece is arranged in the second groove and is abutted and fixed with the valve body, when the male joint main body is not inserted into the female joint main body, the valve body seals the first groove and the second groove, and when the male joint main body is inserted into the female joint main body for sealing and fixing, the valve body is pushed by the male joint main body to be communicated with the first groove and the second groove.
2. The quick connector assembly for hydraulic lines of automobiles as claimed in claim 1, wherein the male connector assembly further comprises a retainer ring and a seal ring, the outer peripheral surface of the connecting end of the male connector body is provided with a first annular groove, and the retainer ring and the seal ring are fitted in the first annular groove.
3. The quick connector assembly for hydraulic lines of automobiles as claimed in claim 1, wherein the female connector assembly further comprises a snap spring, and a snap spring groove for accommodating the snap spring is further provided in the insertion end of the female connector body; and when the male joint body is spliced with the female joint body, the clamp spring is clamped in the second annular groove.
4. The quick connector assembly for automotive hydraulic lines of claim 2, wherein the male connector assembly further comprises a press cap that fits within the second annular groove.
5. The quick connector assembly for hydraulic lines of automobiles as claimed in claim 1, wherein said male connector assembly further comprises a dust cap fixed to the male connector body at one end and to the female connector body at the other end.
6. The quick connector assembly for the hydraulic pipeline of the automobile as claimed in claim 1, wherein the elastic member is a compression spring, and the right end of the valve body is inserted into the compression spring and is abutted and fixed with the compression spring.
7. The quick connector assembly for hydraulic lines of motor vehicles as claimed in claim 3, wherein the male connector body has a tapered configuration between the first annular groove and the second annular groove.
8. The quick connector assembly for hydraulic lines of automobiles as claimed in claim 1, wherein the valve body is opened with a third groove for medium circulation.
CN202010449245.8A 2020-05-25 2020-05-25 Quick plug head assembly for automobile hydraulic pipeline Pending CN111561622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010449245.8A CN111561622A (en) 2020-05-25 2020-05-25 Quick plug head assembly for automobile hydraulic pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010449245.8A CN111561622A (en) 2020-05-25 2020-05-25 Quick plug head assembly for automobile hydraulic pipeline

Publications (1)

Publication Number Publication Date
CN111561622A true CN111561622A (en) 2020-08-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010449245.8A Pending CN111561622A (en) 2020-05-25 2020-05-25 Quick plug head assembly for automobile hydraulic pipeline

Country Status (1)

Country Link
CN (1) CN111561622A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201288873Y (en) * 2007-11-13 2009-08-12 嘉兴学院 Bayonet slide-valve faucet
CN205842057U (en) * 2016-07-13 2016-12-28 虞上海 Safety quick joint and joint parent, male joint for Gas Pipe
CN207906678U (en) * 2017-12-21 2018-09-25 金鑫 A kind of Novel double-seal quick-release connector
CN208058209U (en) * 2018-02-05 2018-11-06 宁波铮华液压有限公司 A kind of Pneumatic quick connector
CN209604735U (en) * 2018-12-06 2019-11-08 长春亚大汽车零件制造有限公司 A kind of automobile pipeline quick connector component
CN110513496A (en) * 2018-05-22 2019-11-29 工程控制国际有限责任公司 Leakproof and maintainable recipient

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201288873Y (en) * 2007-11-13 2009-08-12 嘉兴学院 Bayonet slide-valve faucet
CN205842057U (en) * 2016-07-13 2016-12-28 虞上海 Safety quick joint and joint parent, male joint for Gas Pipe
CN207906678U (en) * 2017-12-21 2018-09-25 金鑫 A kind of Novel double-seal quick-release connector
CN208058209U (en) * 2018-02-05 2018-11-06 宁波铮华液压有限公司 A kind of Pneumatic quick connector
CN110513496A (en) * 2018-05-22 2019-11-29 工程控制国际有限责任公司 Leakproof and maintainable recipient
CN209604735U (en) * 2018-12-06 2019-11-08 长春亚大汽车零件制造有限公司 A kind of automobile pipeline quick connector component

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Application publication date: 20200821

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