GB 15083-2019 PDF English
US$245.00 · In stock · Download in 9 secondsGB 15083-2019: Strength requirement and test method of automobile seats, their anchorages and any head restraints Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB 15083: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 15083-2019 | English | 245 |
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Strength requirement and test method of automobile seats, their anchorages and any head restraints
| Valid |
| GB 15083-2006 | English | 919 |
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Strength requirement and test of automobile seats, their anchorages and any head restraints
| Obsolete |
| GB 15083-1994 | English | 199 |
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2 days
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Motor vehicles-Seat systems-Strength requirements and test methods
| Obsolete |
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GB 15083-2019: Strength requirement and test method of automobile seats, their anchorages and any head restraints
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB15083-2019
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.60
T 26
Replacing GB 15083-2006
Strength requirement and test method of automobile
seats, their anchorages and any head restraints
Issued on. OCTOBER 14, 2019
Implemented on. JULY 01, 2020
Issued by. State Administration for Market Regulation;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Technical requirements... 9
5 Test methods... 16
6 Date of implementation... 21
Annex A (normative) Energy absorption test procedures... 22
Annex B (normative) Test method for luggage displacement passenger
protection device... 25
Annex C (normative) Test methods for seat anchorage, adjustment system,
locking system and displacement system... 30
Annex D (normative) Detailed description of measurement during test... 32
Annex E (normative) Determinations of height and width of head restraint... 34
Annex F (normative) Determination of clearance size of head restraint “a”... 36
Annex G (informative) Test groups... 38
1 Scope
This Standard specifies terms and definitions, technical requirements and test
methods for automobile seats, their anchorages and any head restraints.
This Standard is applicable to.
a) Types M1 and N automobile seats, their anchorages and any head
restraints;
b) Types M2 and M3 automobile seats, their anchorages and any head
restraints not involved in GB 13057;
c) Design of seat backrest parts of type M1 automobile as well as design of
the device that is to prevent occupant from causing injury due to
movement of luggage in frontal collision.
This Standard is not applicable to rearward-facing seats as well as the head
restraints that are mounted on them.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 3730.1, Motor vehicles and trailers - Types - Terms and definitions
GB 11551-2014, The protection of the occupants in the event of a frontal
collision for motor vehicle
GB 11552, The interior fittings of passenger car
GB 13057, Strength of the seats and their anchorages of passenger vehicles
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T
3730.1, GB/T 15089 as well as the followings apply.
3.1 vehicle type
The vehicle category that has no difference in the following main aspects.
3.2 seat
A ride facility that is for an adult occupant, that has complete skin and is
integrated with or separated from the vehicle structure. It includes a single seat
or a place in a bench seat.
3.3 bench seat
A ride facility that is for more than one adult occupants, that has complete skin.
3.4 folding seat
A backup seat that is designed for an adult occupant to use occasionally, that
is easy to operate and be able to self-lock during use. Usually, it is in a folded
state.
3.5 walk-in seat
A seat that its backrest, cushion or overall is reversible, unloaded; that provides
convenience for passenger behind the seat to enter and leave the vehicle or
convenience for luggage placement.
3.6 anchorage
A device that fixes seat assembly on vehicle structure. It includes the
components that are affected on vehicle structure.
3.7 adjustment system
A device that can adjust the position of the seat or its components to suit the
occupant's seating posture. This device may have (but not limit to) the following
functions.
3.8 displacement system
The device that is easy for occupants to enter and exit behind the seat and
makes the seat or a part of it rotate or/and move. There is no fixation position
during the process when the seat or a part of it rotates or/and moves.
3.9 locking system
The device that keeps the seat and components in the position of use.
3.10 transverse plane
A vertical plane that is orthogonal to the longitudinal center plane of vehicle.
4 Technical requirements
4.1 General requirements
M1, N1, M2 (level II, level III and level B), M3 (level II, level III and level B) vehicles
with a loading mass that is not exceeding 10t are forbidden to install side-facing
seat (excluding particular school buses, ambulances, police vehicles, and civil
defense and fire fighting vehicles).
4.2 General requirements for all seats of M1 vehicles
4.2.1 Each adjustment system and displacement system shall have self-locking
system. If the seat armrest or other comfort systems do not cause additional
damage to the occupants in the event of a collision, it shall be unnecessary to
use locking system.
4.2.2 For the displacement system defined in 3.8, its unlocking system shall be
located on the outside of the seat near the door. Even the occupants behind the
seat shall be easily accessible.
4.2.4 On the surface of seat back component, it is not allowed to have any
bumps or sharp edges that may increase occupant injury. If the test is
performed according to the conditions specified in 5.1, the radius of curvature
of the surface of the seat back component shall not be less than the following
provisions.
4.2.5 During the process of the test performed according to the provisions of
5.2 and 5.3 or after the test, the seat skeleton, the anchorage, the adjustment
system, the displacement system as well as its locking system shall not fail.
4.3 General requirements for N1, N2, N3 and M2, M3 vehicle seats
4.3.1 The seat and the bench seat shall be firmly fixed on the vehicles.
4.3.2 The movable seat and bench seat shall be able to lock themselves on the
positions of use.
4.4 Installation of head restraint
4.4.1 The outer side seats of the front row of M1 vehicle shall be equipped with
the head restraints. Other seats as well as the seat head restrains of other types
of seats shall be inspected according to this Standard.
4.4.2 The outer side seats of M2 and N1 vehicles of which the maximum total
mass does not exceed 3500kg shall be equipped with head restraints. The head
restraints that are installed on these vehicles shall meet the requirements of
this Standard.
4.5 Special requirements for equipment or head restraint that can be equipped
4.8 Clearance
4.8.1 For integrated head restraint, the area that shall be considered is. at the
position 540mm from the ‘R’ point and above the plane that reference lines are
perpendicular to each other, within the area enclosed between two longitudinal
vertical planes of 85mm on either side of the torso reference line.
4.10 Other requirements for head restraint
4.10.1 When the head restraint and its anchorage are measured by the static
test method specified in 5.4.3, the maximum backward displacement X of the
head type shall be less than 102mm.
5 Test methods
5.1 Test conditions
5.1.1 For adjustable seat backrest, except as otherwise specified by the
manufacturer, it shall be locked in the back-tilt position as close as possible to
25° of the three-dimensional H-point system trunk reference line as described
in Appendix A of GB 11551-2014 and the vertical direction.
5.2 Strength test of seat backrest and its adjustment system
Though stimulating the human pseudo-back model described in Annex A of GB
11551-2014, apply a load of 530Nm to the seat ‘R’ point in the longitudinal
direction of the upper part of the seat back skeleton. For bench seat, if part or
all of the supporting skeleton (including the head restraint part) is shared by
more than one seat, these seats shall be tested simultaneously.
5.3 Strength test of seat anchorage, adjustment system, locking system
and displacement system
5.4 Performance test of head restraint
5.4.1 Description of performance test of adjustable head restraint
For the adjustable head restraint, the head restraint shall be at the most
unfavorable position within its adjustment range (usually, it is the highest
position).
5.6 Determination of head restraint width (see Figure E.2 of Annex E)
5.6.1 Use the plane S1 that is located 65mm below the tangent S specified in
5.5.3 and perpendicular to the reference line to determine the head restraint
profile that is defined by the outline C.
6 Date of implementation
For new models approved for vehicle type approval, it shall be implemented
from the date of implementation of the standard. For vehicles that have been
approved for vehicle type, the implementation shall begin in the 13th month
from the date of implementation of this Standard.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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