WO2023187807A1 - Ensemble charnière pour une porte de véhicule - Google Patents

Ensemble charnière pour une porte de véhicule Download PDF

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Publication number
WO2023187807A1
WO2023187807A1 PCT/IN2023/050050 IN2023050050W WO2023187807A1 WO 2023187807 A1 WO2023187807 A1 WO 2023187807A1 IN 2023050050 W IN2023050050 W IN 2023050050W WO 2023187807 A1 WO2023187807 A1 WO 2023187807A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
hinge assembly
reinforced
vehicle
coupling
Prior art date
Application number
PCT/IN2023/050050
Other languages
English (en)
Inventor
Nagarjun Reddy Mosali
Kaanchi Mohan Srikanth
Kumar Dillibabu VINOD
Ruthiramoorthy DHINESH KUMAR
Original Assignee
Tvs Motor Company Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tvs Motor Company Limited filed Critical Tvs Motor Company Limited
Publication of WO2023187807A1 publication Critical patent/WO2023187807A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/02—Hinges with pins with one pin
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/02—Parts for attachment, e.g. flaps
    • E05D5/0207—Parts for attachment, e.g. flaps for attachment to vehicles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/02—Parts for attachment, e.g. flaps
    • E05D5/04—Flat flaps
    • E05D5/043—Flat flaps specially adapted for vehicles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/02—Parts for attachment, e.g. flaps
    • E05D5/06—Bent flaps
    • E05D5/062—Bent flaps specially adapted for vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D61/00—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern
    • B62D61/06—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with only three wheels
    • B62D61/08—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with only three wheels with single front wheel
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/531—Doors

Definitions

  • the present subject matter relates to a door assembly of a vehicle, more particularly, a hinge assembly for a vehicle door assembly.
  • Figure 1 illustrates a left side view of a vehicle, in accordance with an embodiment of the present subject matter.
  • Figure 2 illustrates a side view of a door assembly for the vehicle, in accordance with an embodiment of the present subject matter.
  • Figure 3 illustrates an exploded view of a hinge assembly, in accordance with an embodiment of the present subject matter.
  • Figure 4 illustrates a perspective view of the hinge assembly, in accordance with an embodiment of the present subject matter.
  • Figure 5 illustrates an exploded view of the hinge assembly, in accordance with an embodiment of the present subject matter.
  • Figu re 6 illustrate s a top view of a top portion of a vehicle body attachment member of the hinge assembly of the door assembly for the vehicle, in accordance with an embodiment of the present subject matter.
  • the hinged mechanism enables attachment of the vehicle door to the vehicle body.
  • a proper connection between the vehicle door and the vehicle body is quintessential for safety of the passenger. Any loosening of the vehicle door or any obstruction in closure of the door may put the passenger in risk.
  • the door is mounted to the vehicle body through plurality of external hinge assembly.
  • the body is made out of thin members making it very difficult for a designer to effectively couple the door to the thin body as well as safely conceal the hinges. While such mass transport vehicle being economical, it is not feasible for an engineer to consider thickening or widening the width of the vehicle to be able to accommodate a complex hinge assembly as typically installed in cars.
  • a frugal solution to such a requirement is typically achieved by installing a conventional hinge joint.
  • the hinge assembly is external attached both to the vehicle door and vehicle body with its attachment points being visible from outside leading to undesirable aesthetic look and potential rusting of the hinge assembly over a period of time. Additionally in such circumstances, possibility of theft increases as the thieves can open the hinge member from the outside of the vehicle and steal the door and items within the vehicle.
  • the mass transport vehicle may be used for transport of passenger and / or goods to provide end-to-end connectivity within short to medium distance travels and thus tend to be also referred as Light Commercial Vehicle (LCV).
  • LCV Light Commercial Vehicle
  • Such vehicles need to be frugal in their design to be able to provide good durability and performance while still being exposed to severe usage conditions like rough roads, vibrations, overloading etc. While speed of such LCV vehicles may be restricted, extreme usage condition can often lead to vibration lead loosening or failure of the door hinge assembly leaving them vulnerable to safety risk. Additionally, goods being carried inside may fall off on the road risking other user on the road
  • the door hinge with checker includes a vehicle body side hinge part to be fitted with the body, a door side hinge part to be fitted with the door, a hinge means for connecting the body side hinge part with the door side hinge part to allow rotation of the door about a hinge axis between the open and closed positions and, a checker fitted in body side hinge part.
  • the hinge means is supported in the body side hinge part with running fit and includes a hinge pin, a hollow cylindrical member fitted with the pin and having grooves on its outer periphery, and a pair off lugs for holding the pin in holes of the door and body side hinge parts.
  • the checker includes a spring biased member and a roller fitted on one end of the spring biased member such that the roller engages and disengages with the grooves of the hollow cylindrical member of the hinge means, when the door is rotated between the open and the closed position.
  • the engagement of the roller with the groves of the cylindrical member exerts a force on the door side hinge part to stop the door from free rotation, and hold the door at a designated open/closed position.
  • the conventional checker integrated door hinge is bulky and includes many components. Besides, it is a complex and space consuming mechanism and thus undesirable.
  • a hinge assembly which includes a chamber divided by a piston into working spaces that are filled with an operating medium whose viscosity can be changed by means of a field force.
  • the working spaces are connected to one another by at least one flow connection that is subject to the influence of a field force generating element.
  • the door hinge is designed as a pivot bearing, wherein the cylinder takes the form of a bearing eye and the piston takes the form of a rotary piston with at least one blade.
  • the hinge assembly having a torsional magnetorheological device which has two chambers for magnetorheological fluid, and a coil surrounding a portion of the passageway interconnecting the chambers, enabling a variation of viscosity of the fluid to control the movement of the hinge.
  • a torsional magnetorheological device which has two chambers for magnetorheological fluid, and a coil surrounding a portion of the passageway interconnecting the chambers, enabling a variation of viscosity of the fluid to control the movement of the hinge.
  • the main objective of the present subject matter is to provide a simplified and frugal hinge mechanism configured to provide a strong, durable and reliable connection between the vehicle body and the door.
  • Section modulus is a geometrical property of a cross-section that measure the bending strength of the cross-section.
  • the present invention discloses an improved hinge assembly for a vehicle door assembly.
  • the hinge assembly comprises: a door attachment and a vehicle body attachment.
  • the door attachment includes: a door leaf portion and a door coupling portion.
  • a vehicle body attachment includes: a top portion, a lower portion, a stem portion, and a vertical connecting portion.
  • the vertical connecting portion connects the top portion and the lower portion.
  • the vertical connecting portion being configured to attach the vehicle body attachment to vehicle body.
  • the stem portion connects the top portion and the lower portion wherein the stem portion forms a gap from the vertical connecting portion.
  • the vehicle body attachment being coupled to the door attachment.
  • a top reinforced portion being provided on the top portion and a lower reinforced portion being provided on the lower portion.
  • the top portion has a first top portion and thickness of the top reinforced portion being greater than the first top portion.
  • the lower portion has a first bottom portion and thickness of the lower reinforced portion being greater than the first bottom portion.
  • the stem portion being provided an ingression portion wherein the ingression portion prevents collision of said door coupling portion to said vehicle body attachment and removes an obstruction for the movement of the door coupling portion of the door attachment.
  • the hinge assembly provides a compact, safe and robust locking attachment of the door to the vehicle body which has a higher section modulus.
  • the section modulus increase is based on the breadth and thickness of the cross-sectional area.
  • FIG. 1 illustrates a left side view of a three wheeled vehicle (100), in accordance with an embodiment of the present subject matter.
  • the vehicle (100) comprising a chassis frame structure (not shown) providing a structural support the vehicle (100).
  • the chassis frame structure supports a front suspension assembly being connected to a front wheel (104) and a rear suspension of the vehicle (100) connected to a rear wheel (109).
  • the front portion of the vehicle (100) is covered by a front cover (105) and a rear portion of the vehicle (100) is covered by a rear cover (107).
  • the front wheel (104) is covered by a front mudguard (103).
  • the vehicle also includes a windscreen (101) and a headlamp assembly (102) attached to the front cover (105).
  • a rear lamp assembly (108) is provided on the rear cover (107).
  • a hood (106) is provided covering the top of the vehicle and connecting the front portion and the rear portion of the vehicle (100).
  • the vehicles include a door (110 being provided on rear portion of the vehicle (100) and the door (110) is attached to body of the vehicle through a hinged mechanism (not shown). The door (110) is provided to ensure safety of passengers to be seated on a rear seat (not shown) of the vehicle (100).
  • FIG. 2 illustrates a side view of the door assembly for the vehicle, the door (110) includes a door body portion (114).
  • the door body portion (114) is in the middle region of the door (110).
  • the door body portion (114) is having four boundary portions.
  • a door top portion (111) is provided on a top side of the door body portion (114).
  • a door first side portion (112) is provided on a first side of the door body portion ( 114) .
  • a door second side portion ( 115 A) is provided on a second side of the door body portion (114) and opposite to the first side.
  • the door second side portion (115A) is hingedly attached to the body of the vehicle (100).
  • a door bottom portion (113) is provided on a bottom side of the door body portion (114).
  • the door first side portion (112) is present on the opposite side to the door second side portion (115A).
  • the door second side portion (115A) includes one or more hinge assembly (115).
  • the hinge assembly (115) enables a connection between the door (110) and the body of the vehicle (110).
  • the door body portion (114) is provided on a rear side of a three wheeled vehicle wherein the door first side portion (112) is an inclined portion.
  • FIG 3 illustrates an exploded view of a hinge assembly (115), as per an embodiment of the present invention.
  • the hinge assembly (115) provides a connection between the door (110) and the vehicle body.
  • the hinge assembly (115) includes a first member (126) and a second member (116).
  • the second member (116) is interchangeably referred as a vehicle body attachment member (116).
  • the first member (126) is interchangeably referred as a door attachment member (126).
  • the vehicle body attachment member (116) and the door attachment member (126) are pivotally coupled to each other through a pivot member (140).
  • the door attachment member (126) includes a leaf portion (127) and a coupling portion (125).
  • the leaf portion (127) is interchangeably referred as a door leaf portion (127).
  • the coupling portion (125) is interchangeably referred as a door leaf portion (127) is a flat plate like structure which is connected to the door (114) through plurality of door fasteners (129).
  • the door coupling portion (125) is adjacent to the door leaf portion (127) and the door coupling portion (125) allows the pivot member (140) to pass through itself and provide a rotary connection with a top coupling portion (120) and a bottom coupling portion (121) of the vehicle body attachment member (116).
  • the vehicle body attachment member (116) includes a top portion (133) and a lower portion (134).
  • the top portion (133) and the lower portion (134) is connected to each other through a vertical connecting portion (117) and a stem portion (130) wherein the vertical connecting portion (117) and the stem portion (130) are provided on two opposite sides and are orthogonal to each other. Additionally, a gap (132) is formed between the vertical connecting portion (117) and the stem portion (130). Further, the top portion (133) includes a first top portion (118), a top reinforced portion (119) and a top coupling portion (120) adjacently. The top coupling portion (120) and the first top portion (118) are provided on opposite ends of the top portion (133) and the top reinforced portion (119) is provided between the top coupling portion (120) and the first top portion (118).
  • the top coupling portion (120) allows the pivot member (140) to pass through it.
  • the lower portion (134) includes a first bottom portion (123), a lower reinforced portion (122) and a bottom coupling portion (121) adjacently.
  • the bottom coupling portion (121) and the first bottom portion (123) are provided on opposite ends of the lower portion (134) wherein the lower reinforced portion (122) is provided between the first bottom portion (123) and the bottom coupling portion (121).
  • the vertical connecting portion (117) is attached to the body of the vehicle through plurality of second fasteners (124).
  • the pivot member (140) passes through the top coupling portion (120), the door coupling portion (125) and the bottom coupling portion (121) forming a rotary joint between the vehicle body attachment member (116) and the door attachment member (126).
  • the pivot member (140) is covered on the top and the bottom through a cap (128).
  • FIG 4 illustrates a perspective view of the hinge assembly (115) of the door (114) for the vehicle (100), in accordance with an embodiment of the present subject matter.
  • the stem portion (130) of the hinge assembly (115) is having an ingression portion (131).
  • the ingression portion (131) provide an extra area which gives additional room for movement to the door coupling portion (125).
  • the ingression portion (131) ensures that the door coupling portion (125) does not get obstructed by the stem portion (130).
  • the door coupling portion (125) being rotatable relative to the vehicle body attachment member (116) and rotatable about an axis A-A’ of the pivot member (140).
  • FIG. 5 illustrates a side view of the hinge assembly (115) of the door (114) forthe vehicle (100), in accordance with an embodiment of the present subject matter.
  • the top portion (133) (as shown in figure 3) is having the first top portion (118) and a thickness of the top reinforced portion (119) being configured to be greater than the thickness or height of the first top portion (118).
  • the lower portion (134) (as shown in figure 3) is having the first bottom portion (123) and a thickness of the lower reinforced portion ( 122) being configured to be greater than a thickness of the first bottom portion (123).
  • the hinge assembly (115) is configured with a width of the top reinforced portion (119) higher width than a width of the stem portion (130) wherein as per a preferred embodiment, the width of the stem portion (130) being in range of 4-7mm and width of the top reinforced portion (119) being in range of 8-12mm.
  • the lower reinforced portion (122) is configured with a width of the stem portion (130) higher than a width of the stem portion (130) and as per a preferred embodiment the width being in range of 4-7mm and width of the lower reinforced portion (122) being in range of 8- 12mm.
  • FIG. 6 illustrates a top view of the top portion (133) of the vehicle body attachment member of the hinge assembly the hinge assembly (115) of the door (114) forthe vehicle (100), in accordance with an embodiment of the present subject matter.
  • the hinge assembly (115) with the top portion (133) includes the first top portion (118), the top reinforced portion (119) and the top coupling portion (120) wherein the first top portion (118) being adj acent to the reinforced portion (119) and wherein a first axis (BB’) passes through middle of said top coupling portion (120) and a second axis (CC’) passes through an edge portion of said first top portion (118) and said first axis (BB’) being a predetermined distance (X) away from said second axis (CC’).
  • the hinge assembly ( 115) for said vehicle door (110) having the lower portion (134) has a first bottom portion (123), a lower reinforced portion (122) and a bottom coupling portion (121) wherein the lower portion (134) being adjacent to the lower reinforced portion (122) wherein said lower portion (134) being pivotally coupled to a pivot member (140) through said bottom coupling portion (121) wherein a first axis (BB’) passes through middle of the bottom coupling portion (121) and a second axis (CC’) passes through an edge portion of the first bottom portion ( 123) and the first axis (BB’) being a distance (X) away from the second axis (CC’).
  • the distance (X) being in range of 18- 20mm
  • top portion (133) and the lower portion (134) each being substantially L shaped when viewed from either top or bottom direction.
  • Front Body Portion 122 Lower Reinforced Portion

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

La présente invention concerne un ensemble charnière (115) pour une porte de véhicule (110), l'ensemble charnière (115) comprenant une fixation de porte (126), et une fixation de carrosserie de véhicule (116). La fixation de porte (126) comprend : une partie battant de porte (127) et une partie de couplage de porte (125). La fixation de carrosserie de véhicule (116) de ladite fixation de porte (126) comprend : une partie supérieure (133), une partie inférieure (134), une partie tige (130) et une partie de liaison verticale (117). La partie de liaison verticale (117) relie la partie supérieure (133) et la partie inférieure (134) et la partie de liaison verticale (117) est configurée pour fixer la fixation de carrosserie de véhicule (116) à la carrosserie de véhicule. La fixation de carrosserie de véhicule (116) est couplée à la fixation de porte (126).
PCT/IN2023/050050 2022-03-31 2023-01-18 Ensemble charnière pour une porte de véhicule WO2023187807A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN202241019534 2022-03-31
IN202241019534 2022-03-31

Publications (1)

Publication Number Publication Date
WO2023187807A1 true WO2023187807A1 (fr) 2023-10-05

Family

ID=88199554

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2023/050050 WO2023187807A1 (fr) 2022-03-31 2023-01-18 Ensemble charnière pour une porte de véhicule

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WO (1) WO2023187807A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007035145B4 (de) * 2006-07-27 2010-09-02 Ford Global Technologies, LLC, Dearborn Scharnieranordnung für eine Kraftfahrzeugtür
US20120227215A1 (en) * 2009-09-10 2012-09-13 Toyota Shatai Kabushiki Kaisha Vehicle door hinge
US10968671B2 (en) * 2017-06-02 2021-04-06 Nissan North America, Inc. Adjustable vehicle hinge assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007035145B4 (de) * 2006-07-27 2010-09-02 Ford Global Technologies, LLC, Dearborn Scharnieranordnung für eine Kraftfahrzeugtür
US20120227215A1 (en) * 2009-09-10 2012-09-13 Toyota Shatai Kabushiki Kaisha Vehicle door hinge
US10968671B2 (en) * 2017-06-02 2021-04-06 Nissan North America, Inc. Adjustable vehicle hinge assembly

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