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1、LIFTGATE AND DECKLID DESIGN 1. Introduction 2. Reach Zone 3. Liftgate / Decklid Design 4. Hemming 5. Standards Content Liftgate is a term designating an automobile design, containing a passenger cabin with an integrated cargo space, accessed from behind the vehicle by a single, top-hinged tailgate o
2、r large flip-up window. Dodge Caliber (compact hatchback)Dodge Journey (SUV) Introduction Grand Caravan (minivan) Jeep Commander (SUV) PT Cruiser (wagon) Introduction Decklid is a term covering over the trunk of motor vehicles that allows access to the main storage or luggage compartment. A hinge al
3、lows the decklid to be raised, while devices such as springs hold it up in the open position. Sebring (sedan)300C (sedan) Introduction Dodge Challenger (coupe) Dodge Avenger (sedan) Dodge Charger (sedan) Introduction Reinforcement Hinge L/R Reinforcement Strut L/R Reinforcement Wiper Mount Reinforce
4、ment Latch Inner Panel Lower Inner Panel Upper Outer Panel Liftgate Assembly Overview Reinforcement Power Liftgate Liftgate Inner Panel Overview Reinforcement Buffer L/R Reinforcement Hinge L/R Reinforcement Latch Inner Panel Outer Panel Decklid Assembly Overview Decklid Inner Panel Overview 1. Intr
5、oduction 2. Reach Zone 3. Liftgate / Decklid Design 4. Hemming 5. Standards Content Small Female Manikin 8mm off from the floor to account for shoe 1508 mm 1903 mm 863.9 mm Small Female Manikin 8mm off from the floor to account for shoe 1508 mm (59.4”) 1903 mm (75”) Small Female Manikin Small Female
6、 with standing height or stature of 1508 mm without shoe (5%ile female *NHANES 1999-2002 data) Small Female manikin h-point (hip joint) height from curb ground is 863.9 mm. Small female maximum overhead reach is 1903 mm from ground. Small Female Manikin 8mm off from the floor to account for shoe Cur
7、b Groundline 1903 mm (75”) 863.9 mm Small Female Manikin - Maximum Reach 1875 mm (73.8”) Large Male q Large male with minimum standing height or stature of 1875 mm (73.8”) includes 25 mm heel of shoe (1850 mm without shoe) Approximately half of the vehicle tested did not exceed the open liftgate hei
8、ght of 1875 -1880 mm About 6% of the vehicle did not exceed 1909 mm (NHANES 95th male stature with shoes) Half of the current corporate liftgate walk under height does not exceed 1875 mm. q Large male with stature of 1850 mm (72.8”) represents a 90th%ile male based on *NHANES 1999-2002 anthropometry
9、 data. q Large Male h-point (hip joint) height from ground is 1020.5 mm. CG 95th Male Standing w/ Shoe 1875 mm (74”) (1962 H.E.W Previous Guideline) The current population data shows that 95th Male stature is 29 -34 mm greater than current Chrysler Group Guideline based on NHANES Data 1909 mm (75”)
10、Stature = 1884 mm (95th%ile) NHANES 1999-2001 3-D 95th Male (For Information Only) Curb Ground Line 1020.5 mm Standing Large Male Manikin Min. Large Male Standing Height *1875 mm (73.8”) Curb Groundline Standing Large Male Manikin Head Clearance Zone q Based on the minimum garage height measurements
11、 collected from 20 sectional garage doors: Height under open garage door at the entrance (minimum of measured based on both opening height of garage and height under garage door tip): 2032 mm (80 inches). Height under open garage door inside garage: 2133.6 mm (84 inches). Garage door section length
12、533.4 mm (21”), based on: 2133.6 mm (7 ft) standard garage door overall length. Garage door with 4 sections. q To close garage door without any interference to the vehicle, allow at least 2” (50.8 mm) distance between vehicle and closed garage door. Height Under Open Garage Door: Inside 2133.6 mm (8
13、4”)* Height Under Open Garage Door: Entrance 2032 mm (80”)* Curb Groundline Section Length= 533.4 mm (21”) 50.8 mm (2”) Rear Overhang Plane Open Garage Door Zone Open Garage Door Zone Min, Large Male Standing Height 1875 mm (73.8”) Section Length= 533.4 mm (21”) 50.8 mm (2”) Rear Overhang Plane Heig
14、ht under Open Garage Door: Entrance 2032 mm (80”) Closed Garage Door Curb Groundline Max Small Female Overhead Reach 1903 mm (75”) Height under open garage door: Inside 2133.6 mm (84”) Liftgate / Decklid Opening Criteria Open Liftgate Opening Guideline 1. Standing Small Female: Overhead Reach Zone S
15、mall female standing on tip of toes with arm in overhead reach position should be able to reach the grab handle or other provisions provided for closing the liftgate. Maximum reach for small female is 1903mm (75”) from curb ground line. 3. Standing Large Male: Head Clearance Zone Large male manikin
16、stature including 25 mm heel of shoe of 1875 mm (73.8”) standing on the curb ground plane below the open liftgate (at the centerline of the vehicle). Large male should be able to walk under without any head interference to the open liftgate or liftgate trim. Trim should be clear off any sharp edges. 2. Open Garage Door Zone Sectional Open liftgate assembly should be below the open garage door requirement zone. Vehicle should have minimum of 5
