CN108488521B - pipe joint structure - Google Patents

pipe joint structure Download PDF

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Publication number
CN108488521B
CN108488521B CN201810287317.6A CN201810287317A CN108488521B CN 108488521 B CN108488521 B CN 108488521B CN 201810287317 A CN201810287317 A CN 201810287317A CN 108488521 B CN108488521 B CN 108488521B
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CN
China
Prior art keywords
clamping
assembly
buckle
pipe joint
lock catch
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Active
Application number
CN201810287317.6A
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Chinese (zh)
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CN108488521A (en
Inventor
隋鹏超
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.)
Weichai Power Co Ltd
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Weichai Power Co Ltd
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Priority to CN201810287317.6A priority Critical patent/CN108488521B/en
Publication of CN108488521A publication Critical patent/CN108488521A/en
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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
    • F16L37/08Couplings 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
    • F16L37/091Couplings 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 ring provided with teeth or fingers
    • 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
    • F16L37/008Couplings of the quick-acting type for branching pipes; for joining pipes to walls

Abstract

The invention discloses a pipe joint structure which comprises an assembly receptor, a joint body and a clamping sleeve, wherein a clamping piece is arranged on the outer wall of the joint body; the clamping sleeve comprises a lock catch and a buckle, a fastener is arranged on the buckle and matched with the clamping piece, the lock catch and the buckle are detachably connected to form a sleeve-shaped structure to wrap the outside of the connector body, and clamping bosses are arranged on the outer surfaces of the lock catch and the buckle; an assembly hole is formed in the assembly receptor, an annular groove and a notch are formed in the side wall of the large-diameter section of the assembly hole, the annular groove is used for being matched with the clamping boss to clamp the clamping sleeve to the assembly receptor, the notch extends from the annular groove to the opening of the assembly hole to allow the clamping boss to pass through, and the joint of the lock catch and the buckle is located outside the assembly hole; the small-diameter section of the assembling hole is matched with the joint body; above-mentioned coupling structure, simple structure, the operation of being convenient for, and the dismouting is whole need not with the help of instrument and frock, can effectively improve assembly efficiency, and the dismouting process can not lead to the coupling structure each part to produce the damage yet, but reuse, environmental protection more.

Description

Pipe joint structure
Technical Field
The invention relates to the technical field of engines, in particular to a pipe joint structure.
Background
The lubricating oil system, the fuel oil system and the cooling system of the engine need to be connected through pipelines, the pipelines need to be connected with each other through joints, the pipelines and the equipment need to be connected with each other through joints, a supercharger oil return pipe structure and a water pipe joint are taken as examples, the existing supercharger oil return pipe joint and the water pipe joint adopt an interference fit mode to pound on a machine body or a water outlet pipe, the problem of water leakage or oil leakage caused by smashing partially is easy to occur, secondary fine machining is needed during subsequent maintenance, and time and labor are wasted.
Therefore, how to provide a pipe joint structure, which has a simple structure and high reliability and is convenient for plugging and unplugging so as to improve the assembly efficiency, becomes an important technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a pipe joint structure, which has a simple structure, high reliability, and is easy to insert and pull out, so as to improve the assembling efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
A pipe joint structure comprises an assembly receptor, a joint body and a clamping sleeve, wherein a clamping piece is arranged on the outer wall of the joint body; the clamping sleeve comprises a lock catch and a buckle, the buckle is provided with a fastener matched with the fastener, the lock catch and the buckle are detachably connected to form a sleeve-shaped structure to wrap the connector body, a gap exists between one end of the clamping sleeve, facing the assembly receptor, and the connector body, and clamping bosses are arranged on the outer surfaces of the lock catch and the buckle; an assembly hole is formed in the assembly receptor, an annular groove and a notch are formed in the side wall of the large-diameter section of the assembly hole, the annular groove is used for being matched with the clamping boss to clamp the clamping sleeve to the assembly receptor, the notch extends from the annular groove to the opening of the assembly hole to allow the clamping boss to pass through, and the joint of the lock catch and the clamp buckle is located outside the assembly hole; the small-diameter section of the assembling hole is matched with the joint body.
preferably, the clip is an annular groove.
Preferably, the cross section of the buckle is preferably arc-shaped.
Preferably, the two sides of the radial opening of the buckle are respectively provided with a locking piece, the two sides of the radial opening of the buckle are respectively provided with a matching piece, and the locking pieces are matched with the matching pieces to connect the buckle with the buckle.
Preferably, the clamping bosses are uniformly distributed on the periphery of the clamping sleeve, and the number of the clamping bosses on the lock catch is equal to that of the clamping bosses on the buckle.
Preferably, the number of the gaps is less than that of the clamping bosses.
Preferably, the joint boss, joint cover and be used for on the joint body towards the tip of assembly acceptor all is provided with the direction inclined plane, and/or the bead in the mounting hole all is formed with the direction inclined plane.
Preferably, a sealing structure is provided between the linker body and the assembly acceptor.
Preferably, the sealing structure includes at least two sealing rings disposed between the fitting body and the assembly receptor.
Preferably, when the clamping boss is clamped into the ring groove, the end part of the clamping sleeve is abutted to the step surface of the assembling hole.
The pipe joint structure provided by the invention comprises an assembly receptor, a joint body and a clamping sleeve, wherein the clamping sleeve is clamped on the joint body; the clamping sleeve comprises a lock catch and a buckle, the lock catch and the buckle are of a semi-surrounding structure relative to the joint body, a fastener is arranged on the buckle and matched with the fastener, the lock catch and the buckle are detachably connected to form a sleeve-shaped structure to be wrapped outside the joint body, a gap exists between one end of the clamping sleeve, facing the assembly receptor, and the joint body, and clamping bosses are arranged on the outer surfaces of the lock catch and the buckle; an assembly hole is formed in the assembly receptor, an annular groove and a notch are formed in the side wall of the large-diameter section of the assembly hole, the annular groove is used for being matched with the clamping boss to clamp the clamping sleeve to the assembly receptor, the notch extends from the annular groove to the opening of the assembly hole to allow the clamping boss to pass through, and the joint of the lock catch and the buckle is located outside the assembly hole; the small-diameter section of the assembling hole is matched with the joint body;
When the connector is used, the buckle is clamped on the connector body, then the buckle is assembled on the buckle, and the buckle are hooped on the connector body; then, the assembly is inserted into an assembly receptor, when the clamping boss enters the large-diameter section of the assembly hole, the front end of the clamping sleeve is pressed to contract towards the direction of the joint body along the radial direction, and therefore the clamping boss smoothly enters the large-diameter section of the assembly receptor; finally, when the clamping boss is matched with the annular groove, the front end of the clamping sleeve recovers the original shape, the joint body cannot be pulled out, and the pipe joint is assembled;
When the assembling and disassembling device is used for disassembling, firstly, the connecting part of the lock catch and the buckle is separated, the lock catch is rotated to align the clamping boss on the lock catch with the notch on the assembling receptor, then the lock catch is pulled out, and then the buckle is pulled out in the same way;
the pipe joint structure has the advantages that the clamping sleeve is assembled on the joint body, the assembling receptor is inserted, the structure is simple, the operation is convenient, the purpose of quick insertion can be achieved, the whole process of assembling and disassembling is free from tools and tools, the assembling efficiency can be effectively improved, the assembling and disassembling process can not lead to damage of all parts of the pipe joint structure, and the pipe joint structure is reusable and more environment-friendly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a cross-sectional view of a pipe joint construction provided in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an assembly acceptor in a pipe joint configuration provided by an embodiment of the present invention;
FIG. 3 is a front view of an assembly acceptor in a pipe joint structure according to an embodiment of the present invention;
FIG. 4 is a longitudinal cross-sectional view of a coupling body and a clamping sleeve of a coupling structure according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a coupling body and a clamping sleeve of a coupling structure according to an embodiment of the present invention;
fig. 6 is a front view of a coupling body and a clamping sleeve of a coupling structure according to an embodiment of the present invention.
In fig. 1-6:
1 is an assembly receptor; 101 is an assembly hole; 102 is a ring groove; 103 is a gap; 2, lock catches; 3 is a clamping boss; 4 is a joint body; 5 is a ring groove; 6 is a buckle; 7 is an arc card; 8 is a sealing ring; and 9 is a locking piece.
Detailed Description
The invention aims to provide a pipe joint structure which is simple in structure, high in reliability and convenient to insert and pull out due to the structural design, so that the assembly efficiency is improved.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, fig. 1 is a sectional view of a pipe joint structure provided in an embodiment of the present invention, fig. 2 is a sectional view of an assembly receptor in the pipe joint structure provided in an embodiment of the present invention, fig. 3 is a front view of the assembly receptor in the pipe joint structure provided in an embodiment of the present invention, fig. 4 is a longitudinal sectional view of a joint body and a clamping sleeve in the pipe joint structure provided in an embodiment of the present invention, fig. 5 is a transverse sectional view of the joint body and the clamping sleeve in the pipe joint structure provided in an embodiment of the present invention, and fig. 6 is a front view of the joint body and the clamping sleeve in the pipe joint structure provided in an embodiment of the present invention.
the pipe joint structure provided by the embodiment of the invention comprises an assembly receptor 1, a joint body 4 and a clamping sleeve.
The clamping sleeve is clamped on the joint body 4, the joint body 4 is clamped on the assembly receptor 1 through the clamping sleeve, and the clamping piece is arranged on the outer wall of the joint body 4; the clamping sleeve comprises a lock catch 2 and a buckle 6, the lock catch 2 and the buckle 6 are of a semi-surrounding structure relative to the joint body 4, a fastener is arranged on the buckle 6 to be matched with the clamping piece, the lock catch 2 and the buckle 6 are detachably connected to form a sleeve-shaped structure to be wrapped outside the joint body 4, a gap exists between one end of the clamping sleeve, facing the assembly receptor 1, and the joint body 4, and clamping bosses 3 are arranged on the outer surfaces of the lock catch 2 and the buckle 6; an assembly hole 101 is formed in the assembly receptor 1, an annular groove 102 and a notch 103 are formed in the side wall of the large-diameter section of the assembly hole 101, the annular groove 102 is used for being matched with the clamping boss 3 to clamp the clamping sleeve to the assembly receptor 1, the notch 103 extends from the annular groove 102 to the opening of the assembly hole 101 to allow the clamping boss 3 to pass through, and the joint of the lock catch 2 and the buckle 6 is located outside the assembly hole 101; the small diameter section of the fitting hole 101 is fitted with the joint body 4.
When in use, the buckle 6 is firstly clamped on the joint body 4, then the lock catch 2 is assembled on the buckle 6, and the two are hooped on the joint body 4; then, the assembly is inserted into the assembly receptor 1, when the clamping boss 3 enters the large-diameter section of the assembly hole 101, the front end of the clamping sleeve is pressed to contract along the radial direction towards the joint body 4, so that the clamping boss 3 smoothly enters the large-diameter section of the assembly receptor 1; finally, when the clamping boss 3 is matched with the annular groove 102, the front end of the clamping sleeve recovers the original shape, the joint body 4 cannot be pulled out, and the pipe joint is assembled;
When the assembly and disassembly tool is disassembled, the joint of the lock catch 2 and the buckle 6 is firstly separated, the lock catch 2 is rotated to align the clamping boss 3 on the lock catch 2 with the notch 103 on the assembly receptor 1, then the assembly receptor is pulled out, and then the buckle 6 is pulled out in the same way.
Compared with the prior art, the pipe joint structure provided by the invention has the advantages that the clamping sleeve is assembled on the joint body 4 and is inserted into the assembly receptor 1, the structure is simple, the operation is convenient, the purpose of quick insertion can be achieved, tools and tools are not needed in the whole process of disassembly and assembly, the assembly efficiency can be effectively improved, all parts of the pipe joint structure cannot be damaged in the process of disassembly and assembly, the pipe joint structure can be repeatedly used, and the pipe joint structure is more environment-friendly.
As shown in fig. 1, in the embodiment of the present invention, the clamping member is an annular groove 5, the fastening member is an arc-shaped clamping member 7 disposed on the buckle 6, and the arc-shaped clamping member 7 is matched with the annular groove 5, so that the joint body 4 and the clamping sleeve can relatively rotate in the assembling process, thereby achieving angle adjustment and avoiding the generation of assembling stress; an annular groove 5 can be arranged on the inner surface of the clamping sleeve, and an arc-shaped clamping piece 7 is arranged on the outer surface of the joint body 4; of course, the bayonet sleeve and the joint body 4 can be rotatably matched in the assembling process through other structures, which are not limited herein.
to prevent the clip 6 from falling off the connector body 4 during assembly to facilitate installation, in an embodiment of the invention, the clip 6 is preferably arcuate in cross-section, as shown in fig. 5.
The connection structure between the buckle 6 and the latch 2 should be convenient for assembly and disassembly so as to facilitate disassembly and assembly of the whole pipe joint structure, the locking members 9 may be respectively disposed on two sides of the opening in the radial direction of the buckle 6, the mating members are respectively disposed on two sides of the opening in the radial direction of the latch 2, the locking members 9 are matched with the mating members to connect the latch 2 with the buckle 6, specifically, referring to fig. 5, in the embodiment of the present invention, the locking members 9 are locking hooks, the mating members are locking holes, the locking hooks pass through the locking holes to connect the buckle 6 with the latch 2, and of course, the locking members 9 may be locking holes, and the mating members are locking hooks.
The number of the clamping bosses 3 can be one or a plurality of, the clamping boss 3 can be arranged on only one of the buckle 6 and the lock catch 2, the clamping bosses 3 can be arranged on both the buckle 6 and the lock catch 2, the number of the clamping bosses 3 on the buckle 6 and the lock catch 2 can be the same or different, specifically, the clamping boss 3 can be arranged on the buckle 6, and the clamping boss 3 is arranged on the lock catch 2, so that one or a plurality of gaps 103 on the assembly receptor 1 can be arranged, and the number and the positions of the gaps are not limited, of course, in order to ensure the stability of the joint of the pipe joint, the included angle of the connecting line from any two gaps 103 to the center of the assembly hole 101 is not equal to the included angle of the connecting line from two clamping bosses 3 to the center of the clamping sleeve; or, one of the buckle 6 and the lock catch 2 may be provided with one clamping boss 3, and the other is provided with a plurality of clamping bosses 3, so that the number and the positions of the openings 103 on the assembly receptor 1 should correspond to the number and the positions of the clamping bosses 3 on one of the buckle 6 and the lock catch 2 having the plurality of clamping bosses 3.
In the invention, a plurality of clamping bosses 3, more specifically even number, are uniformly distributed on the periphery of the clamping sleeve, and the number of the clamping bosses 3 on the lock catch 2 is equal to that of the clamping bosses 3 on the buckle 6. Specifically, please refer to fig. 6, in an embodiment of the present invention, the number of the snap 6 and the snap bosses 3 on the lock catch 2 is two, that is, an included angle between a connecting line from two adjacent snap bosses 3 to the center of the snap sleeve is 90 °, and accordingly, as shown in fig. 3, the assembly body is provided with two notches 103, and an included angle between a connecting line from the two notches 103 to the center of the assembly hole 101 is also 90 °, of course, the notches 103 may also be 4 or more, but in order to avoid the snap sleeve from rotating and accidentally coming off in the assembly process, in an embodiment of the present invention, the number of the notches 103 is less than the number of the snap bosses 3.
Preferably, for ease of assembly, guide ramps may be provided on the snap bosses 3, the snap sleeves and the end of the connector body 4 facing the assembly receptor 1, and/or guide ramps may be formed on ribs in the assembly hole 101.
Further optimizing the above technical solution, in order to ensure the sealing performance of the pipe joint, a sealing structure is provided between the joint body 4 and the assembly acceptor 1, specifically, as shown in fig. 1, the sealing structure at least includes two sealing rings 8 provided between the joint body 4 and the assembly acceptor 1.
As shown in fig. 4, the cross section of the clamping boss 3 is trapezoidal, and the trapezoidal inclined plane forms a guiding inclined plane of the clamping boss 3, so that if the clamping boss 3 is continuously pushed after being matched with the ring groove 102 in the assembling process, the clamping boss 3 is easily separated from the ring groove 102, which affects the assembly and the stability of the pipe joint structure. .
the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. a pipe joint structure is characterized by comprising an assembly receptor, a joint body and a clamping sleeve, wherein a clamping piece is arranged on the outer wall of the joint body; the clamping sleeve comprises a lock catch and a buckle, a fastener is arranged on the buckle and matched with the fastener, the lock catch and the buckle are detachably connected to form a sleeve-shaped structure to wrap the connector body, a gap exists between one end of the clamping sleeve, facing the assembly receptor, and the connector body, and clamping bosses are arranged on the outer surfaces of the lock catch and the buckle; an assembly hole is formed in the assembly receptor, an annular groove and a notch are formed in the side wall of the large-diameter section of the assembly hole, the annular groove is used for being matched with the clamping boss to clamp the clamping sleeve to the assembly receptor, the notch extends from the annular groove to the opening of the assembly hole to allow the clamping boss to pass through, and the joint of the lock catch and the clamp buckle is located outside the assembly hole; the small-diameter section of the assembling hole is matched with the joint body.
2. A pipe joint construction according to claim 1, wherein the catches are annular grooves.
3. The pipe joint structure according to claim 1, wherein the cross-section of the catch is preferably arc-shaped.
4. The pipe joint structure according to claim 1, wherein the catch is provided with a locking member on each of both sides of the radial opening, and the catch is provided with a mating member on each of both sides of the radial opening, and the locking member and the mating member cooperate to connect the catch and the catch.
5. the pipe joint structure according to claim 1, wherein the clamping bosses are uniformly distributed on the periphery of the clamping sleeve, and the number of the clamping bosses on the lock catch is equal to that of the clamping bosses on the buckle.
6. The pipe joint structure according to claim 5, wherein the number of the slits is less than the number of the catching bosses.
7. The pipe joint structure according to claim 1, wherein the clamping bosses, the clamping sleeves and the end portions of the joint body facing the assembly receptors are provided with guide slopes, and/or the ribs in the assembly holes are provided with guide slopes.
8. The pipe joint structure according to any one of claims 1 to 7, wherein a sealing structure is provided between the joint body and the fitting receptor.
9. The pipe coupling structure according to claim 8, wherein said sealing structure comprises at least two sealing rings disposed between said coupling body and said assembly receptor.
10. The pipe joint structure according to any one of claims 1 to 7 and 9, wherein the snap boss is snapped into the ring groove, and an end of the snap sleeve abuts against a step surface of the fitting hole.
CN201810287317.6A 2018-03-30 2018-03-30 pipe joint structure Active CN108488521B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810287317.6A CN108488521B (en) 2018-03-30 2018-03-30 pipe joint structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810287317.6A CN108488521B (en) 2018-03-30 2018-03-30 pipe joint structure

Publications (2)

Publication Number Publication Date
CN108488521A CN108488521A (en) 2018-09-04
CN108488521B true CN108488521B (en) 2019-12-06

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Application Number Title Priority Date Filing Date
CN201810287317.6A Active CN108488521B (en) 2018-03-30 2018-03-30 pipe joint structure

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011109788A1 (en) * 2011-08-08 2013-02-14 Festo Ag & Co. Kg Connecting device for connecting a fluid line
CN202308952U (en) * 2011-10-25 2012-07-04 大连长之琳科技发展有限公司 Fast bellows connector capable of being detached easily
CN204760947U (en) * 2015-06-29 2015-11-11 上海方德自动化设备有限公司 Insert nylon hose nipple soon
CN107314181A (en) * 2017-07-19 2017-11-03 浙江工业大学 A kind of snap joint of pipeline
CN206904428U (en) * 2017-07-19 2018-01-19 浙江工业大学 A kind of snap joint

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