GB/T 4780-2000 English PDF (GBT4780-2000)

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GB/T 4780-2000: Terms for motor vehicle body
GB/T 4780-2000
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.60
T 26
Replacing GB/T 4780-1984
GB/T 12484-1990
Terms for Motor Vehicle Body
ISSUED ON. JUNE 10, 2000
IMPLEMENTED ON. JANUARY 01, 2001
Issued by. State Bureau of Quality and Technical Supervision
Table of Contents
Foreword . 3
1 Scope .. 4
2 Classification .. 4
3 Design Terms . 4
4 Structure Terms . 8
5 Part Terms . 9
6 Accessory Terms . 13
Appendix A (Informative) Chinese Index . 24
Appendix B (Informative) English Index .. 24
Foreword
This Standard was formulated by referring to the foreign related vehicle-body
terminologies and basing on JB 3653-1984 Car Body Terminologies, GB/T 4780-1984
Terms for Motor Vehicle Body, GB/T 12484-1990 Terms for the Bus Body.
Both Appendix A and Appendix B of this Standard are informative.
Since the implementation date, this Standard replaced JB 3653-1984, GB/T 4780-
1984, GB/T 12484-1990.
This Standard was proposed by State Administration of Machinery Industry.
This Standard shall be under the jurisdiction of National Technical Committee for
Standardization of Automobile.
Main Drafting organizations of this Standard. Dongfeng Motor Engineering Research
Institute.
Participating drafting organizations of this Standard. Dongfeng Peugeot Citroen
Automobile Company Ltd., Shanghai Tourism Bus Factory, FAW Wuxi Automobile
Factory, and Jiangsu Asiastar Bus Group Co., Ltd.
Main drafting staffs of this Standard. Zhu Liping, Wu Lan, Yu Boying, Wu Rongrong, Li
Qin, Zou Yiqun, Zhang Bingrong, Wu Jingcheng, and Gao Sufang.
The first-time published dates for GB/T 4780-1984 Terms for Motor Vehicle Body and
GB/T 12484-1990 Terms for the Bus Body are November 1984 and September 1990,
respectively.
Terms for Motor Vehicle Body
1 Scope
This Standard specifies the terms and definitions of vehicle body.
This Standard is applicable to the vehicle body of car, bus and truck.
2 Classification
This Standard divides the vehicle body terms into design terms, structure terms, part
terms and accessory terms; those that are applicable to car shall be expressed by the
Letter A; those that are applicable to the bus shall be expressed by Letter B; while
those that are applicable to the truck shall be expressed by Letter C.
3 Design Terms
The design terms shall refer to Table 1.
Table 1 -- Design Terms
SN Terms Definitions Figure No. Applicable
3.1 Body
The site for the driver’s operation and
accommodating the passengers and goods. Its
Main function is to provide safe, comfortable ride
environment for the occupants; isolate the vibration
and noise, not be affected by harsh weather. It
includes main body, trim, compartment door,
hardware, accessory, and other detachable
structural
A, B, C
3.2 Unitized body; integral body
Integral body structure form without independent
frame A, B
3.3 Semi-integral body
Body and frame are rigidly connected; the structure
form that the body is partially loaded A, B, C
3.4 Separate frame construction
The form of body structure suspended on the
frame A, B, C
3.5 One box type body
The body of which the engine compartment,
passenger space and luggage compartment form
ONE space-shape
Figure 1 A, B
rear-view mirror, wiper, etc.
3.44 Check stop Mechanism limiting the opening degree of compartment door A, B, C
3.45 Adjuster As required by the use function, the total-name of adjustable parts on the body A, B, C
3.46 Anti-theft Device on the vehicle for anti-theft A, B, C
3.47 HVAC; climate control
The assembly of parts used for adjusting the
temperature, humidity, ventilation in the passenger
space
A, B, C
3.48 Restrains
Total-name of restrains setting in the passenger
space for controlling the movement of people and
goods
A, B, C
3.49 Door opening Net opening on the body cooperated with door A, B, C
Table 1 – Completed
SN Terms Definitions Figure No. Applicable
3.50 Door frame Closed frame composed of door opening A, B, C
3.51 Rocker Partial parts under the door frame A, B, C
3.52 Jacking point The supporting point on the body designed for assembling and maintaining the vehicle A, B, C
3.53 Seat belt anchor point
Parts on the body or seat frame for mounting the
anchor point seat belt assembly A, B, C
3.54 Seat anchor point Parts on the body for mounting the seats A, B, C
3.55 Emergency exit
Exit for the occupants to evacuate in an
emergency; It includes emergency door,
emergency window and escape hatch
3.56 Gang way
Walking space for the passenger travels from
certain (row) seat to other (row) seat or to the
edge of topmost step plate of the passenger door.
It excludes.
a) space about 300mm before the seat;
b) space above the step plate or stair;
c) space occupying by seat
3.57 Access passage Passage from passenger door or emergency door to the gang way B
3.58 Interior trim Trim inside of the body A, B, C
3.59 Exterior trim Trim outside of the body A, B, C
3.60 Waist line; belt line It is located under the side window, the shape feature line penetrated from front to rear Figure 3 A, B, C
3.61 Opening line Boundary line on the door, hood, luggage compartment cover, and the cover panel Figure 3 A, B, C
3.62 Wheel opening; wheel arch
Opening on the body side for the wheel loading
and unloading, as well as steering Figure 3 A, B, C
4.17 Connecting panel Panel for connecting A, B, C
4.18 Support Component for supporting A, B, C
4.19 Bracket Component fixing the cantilever part A, B, C
4.20 Grill guard Fence-shaped component for protecting and isolating A, B, C
4.21 Pad Component for isolating and shock absorbing A, B, C
4.22 Hinge Connecting component for the part that rotates around the axis A, B, C
4.23 Striker Part for locking A, B, C
4.24 Boot Shell structural for protecting and shielding against certain mechanism A, B, C
Table 2 – Completed
SN Terms Definitions Figure No. Applicable
4.25 Cover; lid Member for protecting and shielding the opening and hole A, B, C
4.26 Trim strip Strip-shaped compression element A, B, C
4.27 Clip Part for fixing through pressing A, B, C
4.28 Clip Part welded or fixed on the body, used for fixing pipe and wire harness A, B, C
4.29 Stopper Component for running limit A, B, C
4.30 Roof drip channel Channel for guiding the flow of rainwater A, B, C
4.31 Gutter; guide groove
Structure for guiding or fixing, with shape of
cross-section concave A, B, C
4.32 Rib Uneven shape reinforcing the part rigidity A, B, C
4.33 Flange Part with edge turning-up A, B, C
4.34 Seal Component for sealing A, B, C
5 Part Terms
The part terms shall refer to Table 3.
Table 3 – Part Terms
SN Terms Definitions Figure No. Applicable
5.1 Floor panel; floor board Panel under the body Figure 6 A, B, C
5.2
Body
understructure;
foundation; floor
member
Beam structural located under the body, used for
shelving the floor and strengthening Figure 6 A, B, C
5.3 Rock panel; side sill Side sill located at the lower part on two sides of body; connecting the front and rear pillars Figure 6 A, C
occupants to access; and cargo to load/unload
5.28 Driver door Door for the driver to get on/off A, B, C
5.29 Passenger door Door for passengers to get on/off A, B, C
5.30 Back door Door located on the rear part of the body Figure 4 A, B
5.31 Intrusion beam Reinforced bea...