CN103925424B - For nylon tube and the assembly method thereof of fast spigot joint - Google Patents

For nylon tube and the assembly method thereof of fast spigot joint Download PDF

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Publication number
CN103925424B
CN103925424B CN201410146438.0A CN201410146438A CN103925424B CN 103925424 B CN103925424 B CN 103925424B CN 201410146438 A CN201410146438 A CN 201410146438A CN 103925424 B CN103925424 B CN 103925424B
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CN
China
Prior art keywords
nylon tube
spigot joint
face
fast spigot
marking line
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CN201410146438.0A
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Chinese (zh)
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CN103925424A (en
Inventor
郭伟
孙建军
胡华东
刘鹏
牟洋
申运波
卿鹏
李淼
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Dongfeng Commercial Vehicle Co Ltd
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Dongfeng Commercial Vehicle Co Ltd
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Priority to CN201410146438.0A priority Critical patent/CN103925424B/en
Publication of CN103925424A publication Critical patent/CN103925424A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
    • F16L11/122—Hoses provided with integrated fixing means, e.g. hooks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Joints With Sleeves (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

For a nylon tube for fast spigot joint, comprise nylon tube, the end of nylon tube is provided with marking line, the actual distance A=H0 ± E between marking line to nylon tube end face; The maximum value L of the distance L of marking line live width B=when being seated between fast spigot joint and marking line max, the distance L=A-H+N between fast spigot joint and marking line.For an assembly method for the nylon tube of fast spigot joint, comprise according to theoretical insertion depth determine the theoretical A0=H0 between marking line to nylon tube end face, mark marking line according to theoretical A0 in nylon tube termination; When nylon tube is seated, the distance L=A-H+N between fast spigot joint and marking line, marking line live width B=L max; During assembling, first nylon tube is inserted fast spigot joint, then measure the distance L between fast spigot joint and marking line and marking line live width B, compare the size of L and B, as L≤B, nylon tube is seated, otherwise, then unassembledly to put in place.Be applicable to vehicle.

Description

For nylon tube and the assembly method thereof of fast spigot joint
Technical field
The present invention relates to a kind of auto parts machinery and assembly method thereof, specifically a kind of nylon tube for fast spigot joint and assembly method thereof.
Background technique
At present, medium and heavy cargo vehicle generally adopts air-pressure brake, and this air-pressure brake needs a large amount of nylon tube to transmit pressurized air, and this nylon tube is generally by pipe joint and gas receiver with brake valve body etc. and be connected.Conventional pipe joint generally has screwed pipe joint and fast spigot joint, and wherein, fast spigot joint is widely used because of the advantage such as easy for installation, reliable and attractive in appearance.
For fast spigot joint, certain insertion depth requirement is had due to during assembling nylon tube, if assemble not in place, just have the risk of gas leakage, therefore, for avoiding the risk of leaking gas, generally can at the standardized bar in the end of nylon tube for judging the marking line whether nylon tube is seated, this marking line is identical with the theoretical insertion depth of nylon tube from the distance of nylon tube end face.In theory, only marking line need be made just to enter in fast spigot joint and can ensure that nylon tube is seated.But due to fast spigot joint each part manufacture and assembling time have certain size error, and draw marking line time also there is certain size error, so there is following problem when practical set:
Nylon tube installs to position, but marking line is still exposed.
Summary of the invention
The object of the invention is the deficiency existed to solve above-mentioned background technology, proposing a kind ofly can guarantee the nylon tube for fast spigot joint that nylon tube is seated and assembly method thereof.
The present invention adopts following technological scheme for achieving the above object:
A kind of nylon tube for fast spigot joint, comprise nylon tube, the end of described nylon tube is provided with the marking line of endless belt-shaped structure, described marking line towards the side of described nylon tube end face to described nylon tube end face between actual distance A=H0 ± E, wherein, H0 is the theoretical insertion depth H0a of described nylon tube bbase dimension, E is actual line error amount; When the live width B=of described marking line is seated the plug-in mounting end face of described fast spigot joint and described marking line towards described nylon tube end face side between the maximum value L of distance L max, described distance L=A-H+N, wherein, described H is the actual insertion depth of described nylon tube, and described N is allowable clearance when being seated between described nylon tube end face and described fast spigot joint bottom end face.By adding the marking line of bandwidth B in the end of nylon tube, during such assembling, to combine towards the side of described nylon tube end face to the distance L of plug-in mounting end face of fast spigot joint and live width B two parameters of described marking line by described marking line and judge whether nylon tube is seated, operate directly perceived, easy and better reliability.
In such scheme, the actual insertion depth of described nylon tube wherein, for the displacement amount driving the open head of described fast spigot joint to move inwards when described nylon tube inserts described fast spigot joint.Described model according to fast spigot joint is determined.
In such scheme, described in the theoretical insertion depth of allowable clearance N when being seated between described nylon tube end face and described fast spigot joint bottom end face and described nylon tube model according to fast spigot joint is determined.
An assembly method for the above-mentioned nylon tube for fast spigot joint, comprises the steps:
(1) according to the theoretical insertion depth of the model determination nylon tube of fast spigot joint and allowable clearance N when being seated between described nylon tube end face and described fast spigot joint bottom end face;
(2) according to described theoretical insertion depth determine the theoretical A0=H0 between marking line is towards the side of described nylon tube end face to described nylon tube end face, and mark described marking line according to described theoretical A0 in the end of described nylon tube;
(3) when described nylon tube is seated, the plug-in mounting end face of described fast spigot joint and described marking line towards described nylon tube end face side between distance L=A-H+N, wherein, described A be described marking line towards the side of described nylon tube end face to described nylon tube end face between actual distance, described H is the actual insertion depth of described nylon tube;
(4) the maximum value L of described distance L is got max, the live width B=L of described marking line max;
(5) during assembling, first described nylon tube is inserted described fast spigot joint, then measure the plug-in mounting end face of described fast spigot joint and described marking line towards described nylon tube end face side between distance L and the live width B of described marking line, and the size of more described L and B, as described L≤B, namely described nylon tube is seated, otherwise, then unassembledly to put in place.By adding the marking line of bandwidth B in the end of nylon tube, during such assembling, by more described marking line towards the side of described nylon tube end face to the distance L of plug-in mounting end face and the live width B of described marking line of fast spigot joint between size can judge that nylon tube 1 assembles and whether put in place, operate directly perceived, easy and better reliability.
In such scheme, described step (3) comprising: (31) determine the actual distance A=A0 ± E=H0 ± E between described marking line is towards the side of described nylon tube end face to described nylon tube end face according to reality line error, wherein, E is actual line error amount;
In such scheme, described step (3) also comprises: (32) are according to described theoretical insertion depth calculate the actual insertion depth of described nylon tube wherein, for the displacement amount driving the open head (3a) of described fast spigot joint to move inwards when described nylon tube inserts described fast spigot joint, described in model according to fast spigot joint is determined;
In such scheme, described step (3) also comprises: when (33) described nylon tube is seated, the plug-in mounting end face of described fast spigot joint and described marking line towards described nylon tube end face side between distance L = A - H + N = ( H 0 ± E ) - ( H 0 b a - M d c ) + N .
In such scheme, described in be measured as range estimation or measuring tool measure.Certainly, also other method of measurement can be adopted.
Working principle of the present invention:
First, according to the insertion depth of the model determination nylon pipeline of fast spigot joint, and according to the scribing position of side in nylon tube end of described insertion depth determination marking line towards described nylon tube end face; Then, by theory calculate obtain nylon tube be seated time, the plug-in mounting end face of described fast spigot joint and described marking line towards described nylon tube end face side between the value range of distance L, and the live width B of described marking line is designed to the maximum value of described L; Thus, just can learn: during practical set, if the plug-in mounting end face of described fast spigot joint and described marking line towards described nylon tube end face side between actual distance value to drop in the value range of described L (namely the plug-in mounting end face of described fast spigot joint and described marking line towards described nylon tube end face side between actual distance value be less than B) just can ensure that described nylon tube is seated.
The present invention is by adding the marking line of bandwidth B in the end of nylon tube, during such assembling, by more described marking line towards the side of described nylon tube end face to the distance L of plug-in mounting end face and the live width B of described marking line of fast spigot joint between size can judge that nylon tube assembles and whether put in place, operate directly perceived, easy and better reliability.
In sum, beneficial effect of the present invention is: operate directly perceived, easy and better reliability.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is assembling condition structural representation of the present invention.
In the drawings, nylon tube 1, marking line 2, fast spigot joint 3, open head 3a.
Embodiment
Present embodiments provide a kind of nylon tube for fast spigot joint, comprise nylon tube 1, the end of described nylon tube 1 is provided with the marking line 2 of endless belt-shaped structure, described marking line 2 towards the side of described nylon tube 1 end face to described nylon tube 1 end face between actual distance A=H0 ± E, wherein, H0 is the theoretical insertion depth of described nylon tube 1 base dimension, E is actual line error amount; When the live width B=of described marking line 2 is seated the plug-in mounting end face of described fast spigot joint 3 and described marking line 2 towards described nylon tube 1 end face side between the maximum value L of distance L max, described distance L=A-H+N, wherein, described H is the actual insertion depth of described nylon tube 1, and described N is allowable clearance when being seated between described nylon tube 1 end face and described fast spigot joint 3 bottom end face.By adding the marking line 2 of bandwidth B in the end of nylon tube 1, during such assembling, to combine towards the side of described nylon tube 1 end face to the distance L of plug-in mounting end face of fast spigot joint 3 and live width B two parameters of described marking line 2 by described marking line 2 and judge whether nylon tube 1 is seated, operate directly perceived, easy and better reliability.
The actual insertion depth of above-mentioned nylon tube 1 wherein, for the displacement amount driving the open head 3a of described fast spigot joint 3 to move inwards when described nylon tube 1 inserts described fast spigot joint 3, described in model according to described fast spigot joint 3 is determined.The theoretical insertion depth of described allowable clearance N when being seated between described nylon tube 1 end face and described fast spigot joint 3 bottom end face and described nylon tube 1 model according to fast spigot joint 3 is determined.
The present embodiment additionally provides a kind of assembly method of the above-mentioned nylon tube for fast spigot joint, comprises the steps:
(1) according to the theoretical insertion depth of the model determination nylon tube 1 of fast spigot joint 3 allowable clearance N when being seated between described nylon tube 1 end face and described fast spigot joint 3 bottom end face and described nylon tube 1 drive the open head 3a of described fast spigot joint 3 to move inwards displacement amount when inserting described fast spigot joint 3
(2) according to described theoretical insertion depth calculate the actual insertion depth of described nylon tube 1 H = H 0 b a - M d c ;
(3) according to described theoretical insertion depth determine the theoretical A0=H0 between marking line 2 is towards the side of described nylon tube 1 end face to described nylon tube 1 end face, and mark described marking line 2 according to described theoretical A0 in the end of described nylon tube 1;
(4) determine the actual distance A=A0 ± E=H0 ± E between described marking line 2 is towards the side of described nylon tube 1 end face to described nylon tube 1 end face according to reality line error, wherein, E is actual line error amount;
(5) when described nylon tube 1 is seated, the plug-in mounting end face of described fast spigot joint 3 and described marking line 2 towards described nylon tube 1 end face side between distance L = A - H + N = ( H 0 ± E ) - ( H 0 b a - M d c ) + N = ( H 0 - H 0 b a ) ± E + M d c + N ; Actual by the known described distance L of this formula be theoretical insertion depth tolerance, actual line error amount, described nylon tube 1 displacement amount that drives the open head 3a of described fast spigot joint 3 to move inwards when inserting described fast spigot joint 3 and allowable clearance N sum when being seated between described nylon tube 1 end face and described fast spigot joint 3 bottom end face, these four kinds of errors just finally cause the appearance of described distance L;
(6) the maximum value L of described distance L is got max, the live width B=L of described marking line 2 max;
(7) during assembling, first described nylon tube 1 is inserted described fast spigot joint 3, then range estimation or by measuring tool measure the plug-in mounting end face of described fast spigot joint 3 and described marking line 2 towards described nylon tube 1 end face side between distance L and the live width B of described marking line 2, as described L≤B, namely described nylon tube 1 is seated, otherwise, then be not seated.
As shown in Figure 1, described fast spigot joint 3 is the fast spigot joint of Φ 6mm, its theoretical insertion depth allowable clearance N=0 ~ 1mm when being seated between described nylon tube 1 end face and described fast spigot joint 3 bottom end face, drives the displacement amount that the open head 3a of described fast spigot joint 3 moves inwards when described nylon tube 1 inserts described fast spigot joint 3
It can thus be appreciated that, the actual insertion depth of described nylon tube 1 H = H 0 b a - M d c = 20 - 0.4 0 - 0.5 0 + 0.3 = 19 - 0.2 + 0.5 mm .
Meanwhile, according to described theoretical insertion depth determine the theoretical A0=H0=20mm between marking line 2 is towards the side of described nylon tube 1 end face to described nylon tube 1 end face, and mark described marking line 2 according to described theoretical A0 in the end of described nylon tube 1; And determine the actual distance A=A0 ± E=H0 ± E=20 ± 0.5mm between described marking line 2 is towards the side of described nylon tube 1 end face to described nylon tube 1 end face according to reality line error, wherein, E is actual line error amount, and this actual line error amount is determined according to the validity etc. of actual conditions such as scoring equipment.
Like this, when described nylon tube 1 is seated, the plug-in mounting end face of described fast spigot joint 3 and described marking line 2 towards described nylon tube 1 end face side between distance L = A - H + N = ( H 0 ± E ) - ( H 0 b a - M d c ) + N = ( 20 ± 0.5 ) - 19 - 0.2 + 0.5 + N , Thus the value range obtaining L is 0 ~ 2.7mm; And the live width B=L of described marking line 2 is determined according to this value range max=2.7mm.
When finally assembling, first described nylon tube 1 is inserted described fast spigot joint 3, then range estimation or by measuring tool measure the plug-in mounting end face of described fast spigot joint 3 and described marking line 2 towards described nylon tube 1 end face side between distance L and the live width B of described marking line 2, when described L≤2.7, namely described nylon tube 1 is seated, otherwise, then be not seated.
When actual production, according to the fast spigot joint 3 of different model, described marking line 2 is marked by linotype machine and is drawn at described nylon tube 1 by separable ground in advance, when assembling like this, only need select the nylon tube 1 of corresponding model, simplify assembly process further.
The present invention is by adding the marking line 2 of bandwidth B in the end of nylon tube 1, during such assembling, by more described marking line 2 towards the side of described nylon tube 1 end face to the distance L of plug-in mounting end face and the live width B of described marking line 2 of fast spigot joint 3 between size can judge that nylon tube 1 assembles and whether put in place, operate directly perceived, easy and better reliability.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. the nylon tube for fast spigot joint, comprise nylon tube (1), it is characterized in that: the end of described nylon tube (1) is provided with the marking line (2) of endless belt-shaped structure, described marking line (2) towards the side of described nylon tube (1) end face to described nylon tube (1) end face between actual distance A=H0 ± E, wherein, H0 is the theoretical insertion depth of described nylon tube (1) base dimension, E is actual line error amount; When the live width B=of described marking line (2) is seated the plug-in mounting end face of described fast spigot joint (3) and described marking line (2) towards described nylon tube (1) end face side between the maximum value L of distance L max, described distance L=A-H+N, wherein, described H is the actual insertion depth of described nylon tube (1), allowable clearance when described N is for being seated between described nylon tube (1) end face and described fast spigot joint (3) bottom end face.
2. the nylon tube for fast spigot joint according to claim 1, is characterized in that: the actual insertion depth of described nylon tube (1) wherein, for the displacement amount driving the open head (3a) of described fast spigot joint (3) to move inwards when described nylon tube (1) inserts described fast spigot joint (3).
3. the nylon tube for fast spigot joint according to claim 1, is characterized in that: described in the theoretical insertion depth of allowable clearance N when being seated between described nylon tube (1) end face and described fast spigot joint (3) bottom end face and described nylon tube (1) model according to fast spigot joint (3) is determined.
4., as claimed in claim 1 for an assembly method for the nylon tube of fast spigot joint, it is characterized in that: comprise the steps:
(1) according to the theoretical insertion depth of the model determination nylon tube (1) of fast spigot joint (3) and allowable clearance N when being seated between described nylon tube (1) end face and described fast spigot joint (3) bottom end face;
(2) according to described theoretical insertion depth determine the theoretical A0=H0 between marking line (2) is towards the side of described nylon tube (1) end face to described nylon tube (1) end face, and mark described marking line (2) according to described theoretical A0 in the end of described nylon tube (1);
(3) when described nylon tube (1) is seated, the plug-in mounting end face of described fast spigot joint (3) and described marking line (2) towards described nylon tube (1) end face side between distance L=A-H+N, wherein, described A be described marking line (2) towards the side of described nylon tube (1) end face to described nylon tube (1) end face between actual distance, described H is the actual insertion depth of described nylon tube (1);
(4) the maximum value L of described distance L is got max, the live width B=L of described marking line (2) max;
(5) during assembling, first described nylon tube (1) is inserted described fast spigot joint (3), then measure the plug-in mounting end face of described fast spigot joint (3) and described marking line (2) towards described nylon tube (1) end face side between distance L and the live width B of described marking line (2), and the size of more described L and B, as described L≤B, described nylon tube (1) is namely seated, otherwise, then unassembledly to put in place.
5. the assembly method of a kind of nylon tube for fast spigot joint according to claim 4, is characterized in that: described step (3) comprising:
(31) determine the actual distance A=A0 ± E=H0 ± E between described marking line (2) is towards the side of described nylon tube (1) end face to described nylon tube (1) end face according to reality line error, wherein, E is actual line error amount.
6. the assembly method of a kind of nylon tube for fast spigot joint according to claim 5, is characterized in that: described step (3) also comprises:
(32) according to described theoretical insertion depth calculate the actual insertion depth of described nylon tube (1) wherein, for the displacement amount driving the open head (3a) of described fast spigot joint (3) to move inwards when described nylon tube (1) inserts described fast spigot joint (3).
7. the assembly method of a kind of nylon tube for fast spigot joint according to claim 6, is characterized in that: described step (3) also comprises:
(33) when described nylon tube (1) is seated, the plug-in mounting end face of described fast spigot joint (3) and described marking line (2) towards described nylon tube (1) end face side between distance
8. the assembly method of a kind of nylon tube for fast spigot joint according to claim 4, is characterized in that: described in be measured as range estimation or measuring tool measure.
CN201410146438.0A 2014-04-11 2014-04-11 For nylon tube and the assembly method thereof of fast spigot joint Active CN103925424B (en)

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CN103925424B true CN103925424B (en) 2015-11-18

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CN105300285B (en) * 2015-11-20 2018-05-04 沈阳黎明航空发动机(集团)有限责任公司 A kind of 74 ° of bipyramid surface seal structure assembling detection method for quality of pipeline

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JP5026691B2 (en) * 2005-11-22 2012-09-12 古河電気工業株式会社 Pipe joint, display switching method of pipe joint, and method for confirming insertion of pipe into pipe joint
FR2938055B1 (en) * 2008-10-30 2011-02-18 Vallourec Mannesmann Oil & Gas METHOD AND CALIBER FOR MONITORING A AUTOBLOATING TUBULAR JOINT THREAD USED IN THE PETROLEUM INDUSTRY
JP2011101909A (en) * 2009-11-10 2011-05-26 Sekisui Chem Co Ltd Marking tool for pipe
CN102950444B (en) * 2011-08-19 2015-09-23 中国石油天然气股份有限公司 A kind of spiral pipeline weld defect processing and fabricating method
GB2503249B (en) * 2012-06-20 2014-07-23 Source One Environmental Ltd Repair of pipes and pipelines
CN204004829U (en) * 2014-04-11 2014-12-10 东风商用车有限公司 For the nylon tube of fast spigot joint

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