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汽车气制动用尼龙管接头尺寸
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QCT 201-2017
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标准编号: QC/T 201-2017 (QC/T201-2017)
中文名称: 汽车气制动用尼龙管接头尺寸
英文名称: Dimensions of polyamide tubing connectors for automotive air brake systems
行业: 汽车行业标准 (推荐)
中标分类: T24
字数估计: 16,167
发布日期: 2017-01-09
实施日期: 2017-07-01
旧标准 (被替代): QC/T 201-1995
标准依据: 工业和信息化部公告2017年第2号
范围: 本标准规定了汽车气制动用尼龙管接头型式、尺寸系列、标记方法。
QC/T 201-2017: 汽车气制动用尼龙管接头尺寸
QC/T 201-2017 英文名称: Dimensions of polyamide tubing connectors for automotive air brake systems
中华人民共和国汽车行业标准
QC T 201—2017
代替 QC/T 201—1995
汽车气制动用尼龙管接头尺寸
中华人民共和国工业和信息化部发布
前 言
本标准按照GB/T 1.1—2009《标准化工作导则 第1部分：标准的结构和编写》给出的规则 起草。
本标准代替QC/T201—1995 《汽车气制动用热塑管接头尺寸》,与QC/T 201—1995相比，主要 技术变化如下：
——修改了标准名称；
—修改了管接头体的定义(见2.3,1995版的2.3);
—修改了联管螺母粗糙度要求(见图2,1995版的图2);
—修改了卡套粗糙度要求及密封锥面增加圆跳动要求(见图3,1995版的图3);
——修改了卡套尺寸系列部分尺寸(见表2,1995版的表2);
—修改了衬套粗糙度要求及圆角公差值(见图4,1995版的图4);
—修改了衬套尺寸系列部分尺寸(见表3,1995版的表3);
—修改了管接头体粗糙度要求及密封锥面增加圆跳动要求(见图5,1995版的图5);
——增加了标记方法(见第5章)。
本标准由全国汽车标准化技术委员会(SAC/TC 114)提出并归口。
本标准起草单位：中国第一汽车股份有限公司技术中心、长春亚大汽车零件制造有限公司。
本标准主要起草人：田博、杨冠华、郝春字、陈宇超、刘兆英。
本标准所代替标准的历次版本发布情况为：
1范围
本标准规定了汽车气制动用尼龙管接头型式、尺寸系列、标记方法。
本标准适用于汽车气压制动系统使用的尼龙管接头。
2术语和定义
下列术语和定义适用于本标准。
3裝配关系示意图
4结构与尺寸 4.1联管螺母
联管螺母结构见图2,尺寸见表1。
4.2卡套
卡套结构见图3,尺寸见表2。
4.3衬套
衬套结构见图4,尺寸见表3。
4.4管接头体连接部分
管接头体连接部分结构见图5,尺寸见表4.
5标记
5.1标记方法
汽车气制动用尼龙管接头标记由如下4个部分组成:
产品名称产品标准编号管子外径x壁厚
产品标准中只有唯一壁厚时可省略
年代号可简写为后两位或省略
分为联管螺母、卡套、衬套
5.2标记示例
管子外径为12 mm的联管螺母的标记为: 联管螺母QC/T 201 12.
QC/T 201-2017
AUTOMOBILE INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.40
T 24
Replacing QC/T 201-1995
Dimensions of Polyamide Tubing
Connectors for Automotive Air Brake Systems
ISSUED ON: JANUARY 09, 2017
IMPLEMENTED ON: JULY 01, 2017
Issued by: Ministry of Industry and Information Technology of PRC
Table of Contents
Announcement ... 3
Foreword ... 9
1 Scope ... 11
2 Terms and Definitions ... 11
3 Assembly Relationship Schematic Diagram ... 11
4 Structure and Dimension ... 12
5 Marking ... 16
262 QC/T 1059-2017
Automobile cab
torsion bar type flip
and lock mechanism
2017-07-01
263 QC/T 32-2017
Test methods of air
cleaners for
automobiles
QC/T 32-2006 2017-07-01
264 QC/T 597.1-2017
Threaded fasteners -
Pre - coated adhesive
- Technical
requirements - Part 1:
Microcapsule locking
layer
QC/T 597-2017 2017-07-01
265 QC/T 597.2-2017
Threaded fasteners -
Pre - coated adhesive
- Technical
requirements - Part 2:
Polyamide locking
layers
2017-07-01
266 QC/T 1-2017
Basic requirements
for automobile
products drawing
QC/T 1-1992 2017-07-01
267 QC/T 2-2017 Drawing format of automobiles QC/T 2-1992 2017-07-01
268 QC/T 3-2017
Completeness of
drawings and design
documents about
automobiles
QC/T 3-1992 2017-07-01
269 QC/T 4-2017
Method for change
about product
drawing and design
document regulations
of automobile
QC/T 4-1992 2017-07-01
270 QC/T 5-2017
Standardization
examination for
automobile product
drawings and design
documents
271 QC/T 18-2017
Automobile products
drawing and design
documents - Terms
QC/T 18-1992 2017-07-01
272 QC/T 340-2017
Hexagon flange
bearing surface with
tooth bolt
283 QC/T 1067.1-2017
Road Vehicles -
Connections for On-
board Electrical
Wiring Harnesses -
Part 1: Definitions,
Test Methods and
General Performance
Requirements (the
QC/T 417.1-
2001 2017-07-01
284 QC/T 1067.2-2017
Automotive
connectors for
electrical harnesses
and electrical
equipment - Part 2:
Types and
terminals
QC/T 417.3-
2001
QC/T 417.4-
2001
QC/T 417.5-
2001
2017-07-01
285 QC/T 1067.3-2017
connectors for
electrical harnesses
and electrical
equipment - Part 3:
Wire connector type,
size and special
requirements
QCn 29010-
1991
1991
QCn 29013-
1991
2017-07-01
286 QC/T 1068-2017
Asynchronous drive
motor system for
electric vehicles
2017-07-01
Permanent magnet
synchronous drive
motor system for
electric vehicles
2017-07-01
288 QC/T 1070-2017
Technical
specifications of
automobile parts
products
2017-07-01
289 QC/T 1071-2017
Test method for
steady state flow
characteristics of
automotive engine
cylinder head airways
2017-07-01
This Standard was drafted as per the rules specified in GB/T 1.1-2009 Directives for
Standardization – Part 1: Structure and Drafting of Standards.
This Standard replaced QC/T 201-1995 Dimensions of Thermoplastic Tubing
Connectors for Automotive Air Brake Systems. Compared with QC/T 201-1995, this
Standard has the major technical changes as follows:
--- Modify the standard name;
--- Modify the definitions of the tubing connection body (see 2.3 of this Edition; 2.3
of 1995 Edition);
--- Modify the roughness requirements of union nut (see Figure 2 of this Edition;
--- Modify the roughness requirements of cutting ferrule; and add circle runout
requirements of the sealing cone (see Figure 3 of this Edition; Figure 3 of 1995
Edition);
--- Modify some dimensions of the cutting ferrule size series (see Table 2 of this
Edition; Table 2 of 1995 Edition);
--- Modify the roughness requirements of bushing and the fillet tolerance value (see
Figure 4 of this Edition; Figure 4 of 1995 Edition);
--- Modify some dimensions of the bushing size series (see Table 3 of this Edition;
Table 3 of 1995 Edition);
requirements of the sealing cone (see Figure 5 of this Edition; Figure 5 of 1995
Edition);
--- Add marking method (see Clause 5).
This Standard was proposed by and under the jurisdiction of National Technical
Committee for Standardization of Automobiles (SAC/TC 114).
Drafting organizations of this Standard: China FAW Co., Ltd. R&D Center; and
Changchun Chinaust Automobile Parts Co., Ltd.
Chief drafting staffs of this Standard: Tianbo, Yang Guanhua, Hao Chunyu, Chen
Yuchao, and Liu Zhaoying.
Dimensions of Polyamide Tubing
Connectors for Automotive Air Brake Systems
1 Scope
This Standard specifies the type, dimension series, marking method of the polyamide
tubing connectors for automotive air brake systems.
This Standard is applicable to the polyamide tubing connectors for automotive air brake
systems.
2 Terms and Definitions
For the purpose of this Standard, the following terms and definitions apply.
The polyamide tube with certain length and without any connecting piece.
2.2 Connector
The general term for connecting components such as union nut, cutting ferrule,
bushing, etc., which together form an assembly with the tube.
2.3 Connection body
The connecting components such as straight joint, elbow joint, three-way joint, multi-
way joint, which are used together with the connector.
3 Assembly Relationship Schematic Diagram
The assembly relationship schematic diagram can refer to Figure 1.
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