JP2007308993A - Vehicular door handle structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular door handle structure which is available in a back door having a recessed design portion formed in a door handle mounting section, and available, in common, in a back door formed like a flat plate as a whole. <P>SOLUTION: According to the vehicular door handle structure, a frame-shaped handle case 3 is mounted on a periphery of a mounting opening 20 formed in an external plate 2 of the flat plate-shaped back door, and the handle case 3 has integrally formed therewith a cylindrical overhanging portion 3b overhanging from a rear surface of the handle case into the mounting opening 20. Further a handle base member 5 which makes the handle case 3 support an operating handle 4 in an overhanging manner, is fixed to an overhanging end 33 of the overhanging portion 3b, and the operating handle 4 overhanging from the handel base member 5 is located inside the mounting opening 20. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a door handle structure for a vehicle, and more particularly to a door handle structure suitable for a back door.

  Conventionally, as shown in FIGS. 6 and 7, as a door handle 1 for a back door of a wagon car, a van type car or the like, a concave shape for attaching a license plate P to the center of the lower half of the door outer plate of the back door D1. There is a type in which a design portion 90 is formed, the operation handle 4 is stored in the design portion 90, and the operation handle 4 is covered with a garnish 91 (design portion storage type).

  A mounting opening 92 is formed in the inclined portion of the upper end of the concave design portion 90. The door handle 1 includes a substantially box-shaped handle base member 5 and an operation handle 4, and the operation handle 4 is pivotally supported so as to project from the handle base member 5. The handle base member 5 is fixed to the back side of the attachment opening 92, and the operation handle 4 protrudes from the attachment opening 92 into the design portion 90. A garnish 91 is attached to the upper end of the design portion 90 to cover the operation handle 4. The handle base member 5 is provided with mounting seats on both the left and right sides thereof, while the garnish 91 is provided with mounting seats protruding from the back surface thereof, and these mounting seats are bolted through the inclined portion of the design portion 90. By fastening, the handle base member 5 and the garnish 91 are integrally fixed to the door outer plate.

As shown in FIG. 8, another type of door handle 1 </ b> B includes a type in which a frame-like handle case is attached to the opening edge of the attachment opening formed in the back door D (handle case type). In this type, there is no concave design on the door skin, a mounting opening is provided in the flat door skin, and the handle base member that supports the operation handle is the opening edge on the vehicle interior side of the mounting opening. The operation handle is disposed substantially flush with the door outer plate, and a frame-like handle case (escussion) is attached to the outer periphery of the mounting opening so as to cover it (for example, the following) (See Patent Document 1). In this type, the operation handle is supported by the base member so as not to protrude from the handle base member in order to avoid protrusion from the door outer plate.
JP-A-5-346075

  As described above, the dedicated door handles 1 and 1B having different structures are used for the design portion storage type and the handle case type. Therefore, the present invention has been made in order to realize a door handle structure that can be applied to a handle case type of a design portion storage type door handle in which an operation handle protrudes from a handle base member and is supported.

  The present invention provides a vehicle door handle structure in which a handle case is provided around a mounting opening formed in a flat plate portion of a door outer plate of a vehicle back door, and an operation handle is faced to the mounting opening from the inside of the vehicle. The case is provided with an overhanging portion projecting into the mounting opening on the rear surface. The operation handle is supported by a handle base member so as to protrude from the member, and the operation handle faces the mounting opening, and the handle base member is fixed to the projecting end of the projecting portion. 1). Since the handle base member is fixed to the projecting end of the projecting portion of the handle case projecting inward from the mounting opening, the operation handle projecting from the handle base member can be positioned in the mounting opening.

  The handle case includes an annular outer frame portion that covers an outer peripheral portion on the vehicle exterior side of the mounting opening, and the protruding portion that protrudes in a cylindrical shape from an inner peripheral edge of the outer frame portion, and the outer frame portion is attached to the mounting case. Join to the opening periphery of the opening. The operation handle is inserted into the overhang portion of the handle case from the inside of the vehicle, and the outer periphery of the handle base member is coupled to the overhang end of the overhang portion. Since the projecting portion of the handle case is formed in a cylindrical shape, the outer periphery of the handle base member can be stably fixed to the projecting end, and the operation handle can be disposed in the projecting portion.

  The tubular projecting portion of the handle case projects obliquely upward from the inner peripheral edge of the outer frame portion, and the operation handle is disposed at an upper position in the projecting portion. The operation handle is inconspicuous. A cover portion that extends downward and shields the operation hand is integrally formed on an upper edge of the outer frame portion of the handle case. While the operation handle can be concealed, a handle operation opening is sufficiently secured in the mounting opening below the cover member.

  A seal member is used to seal between the overhang end of the overhang portion of the handle case and the outer periphery of the handle base member. Waterproofing inside the door can be secured.

  An embodiment in which the present invention is applied to a door handle of a back door that does not have a concave design portion on the door outer plate shown in FIG. 8 will be described. As shown in FIGS. 1 and 2, the door handle 1 of the present embodiment has a handle case 3 attached to the mounting opening 20 of the door outer plate 2 of the back door from the outside of the vehicle, and the operation handle 4 and the handle case 3 are attached to the handle case 3. The handle base member 5 for supporting this is attached.

  As shown in FIGS. 1 to 5, the mounting opening 20 is formed in a horizontally long rectangular shape on the flat door outer plate 2. The mounting opening 20 is formed with tongue-shaped mounting flanges 21, 21 that protrude in a substantially L shape toward the inner side of the vehicle and toward the center of the mounting opening 20 on the left and right side edges, respectively, and have bolt through holes. An engaging flange 22 that is engaged with the handle case 3 is provided at the lower edge of the mounting opening 20.

  The handle case 3 is a synthetic resin molded product, and includes an annular outer frame portion 3a that covers the periphery of the opening of the mounting opening 20 and a rectangular tube that protrudes from the inner periphery of the rectangular shape toward the back side of the outer frame portion 3a. The bulged portion 3b is integrally formed. The outer frame portion 3a is provided with screw holes (mounting seats) 31 and 31 in which nuts N are embedded corresponding to the mounting flanges 21 and 21 on the back surfaces of both side edges on both the left and right sides. A through hole 32 for the key cylinder 6 built in the door is provided at one side edge of the outer frame portion 3a. The screw hole 31 on the one side edge is provided above the through hole 32, and the left and right screw holes 31, 31 are stepped in the vertical direction. The mounting flanges 21 and 21 are also different in level.

  The overhang portion 3b projects obliquely upward from the inner periphery of the outer frame portion 3a to the back side (inner side of the vehicle). The terminal opening on the back surface of the overhanging portion 3b is rectangular and is formed to fill the width of the inside of the overhanging portion 3b. The mounting seats 36, 36 are formed with projecting insert bolts 35, 35.

  Further, the handle case 3 has a lower edge of the upper edge portion of the outer frame portion 3a extending downward, and a lower half portion having a wider width is disposed in the overhanging portion 3b with the door handle 1 attached. The cover part 37 which shields the operation handle 4 to perform is comprised. A positioning projection 38 is provided on the upper edge of the outer frame 3a on the back of one side. A positioning hole 23 into which the protrusion 38 is fitted is formed on the outer periphery of the mounting opening 20 of the door outer plate 2 corresponding to the protrusion 38. Further, the handle case 3 is formed with an engagement groove 39 on the lower edge of the outer frame portion 3a so as to fit the engagement flange 22 on the lower edge of the mounting opening 20.

  The handle case 3 is inserted into the mounting opening 20 of the door outer plate 2 from the outside of the vehicle into the mounting opening 20, and the positioning projection 38 on the back surface of the outer frame portion 3 a is inserted into the positioning hole on the outer periphery of the mounting opening 20. 23, and the engagement groove 39 on the lower edge of the outer frame portion 3a is fitted and positioned on the engagement flange 22 on the lower edge of the mounting opening 20, and the entire outer periphery of the rear surface of the outer frame portion 3a is The entire periphery of the opening edge of the mounting opening 20 is brought into contact with the sealing member 25 via a seal member 25. Then, the bolts 31 passing through the bolt through holes of the left and right mounting flanges 21, 21 are fastened from the inside of the vehicle to the left and right screw holes 31, 31 on the back of the outer frame portion 3 a, so that the handle case 3 is a door. It is fixed to the mounting opening 20 of the outer plate 2.

  A key cylinder 6 is fastened to one mounting flange 21 of the mounting opening 20 together with the handle case 3. The key cylinder 6 has a cylindrical shape, and a key insertion portion at the tip thereof faces the through hole 32 of the outer frame portion 3a of the handle case 3 from the back side, and has a bolt through hole protruding from the outer periphery of the key cylinder 6. The part 61 is sandwiched between one mounting flange 21 and the screw hole 31, and these are integrally fastened by the bolt member.

  The operation handle 4 is a handle made of a synthetic resin, and the base end is assembled to the handle base member 5 by a support shaft 40. The handle base member 5 is a synthetic resin box having a shallow cross-section that is substantially U-shaped. The outer peripheral surface of the handle base member 5 is slightly larger than the end opening of the rectangular protruding end 33 of the handle case 3. The handle base member 5 is provided with bearings 51, 51 projecting to the surface side at both left and right ends, and these support both ends of the support shaft 40 of the operation handle 4. The operation handle 4 has a handle tip protruding obliquely downward on the surface side from the handle base member 5 and is pivotally supported so as to be rotatable in the vertical direction.

  On the left and right sides of the handle base member 5, there are formed mounting seats 52, 52 projecting in the left-right direction corresponding to the mounting seats 36, 36 on the left and right sides of the projecting end 33 of the handle case 3. The seats 52 and 52 are provided with bolt through holes corresponding to the respective insert bolts 35 and 35. The handle base member 5 has a back outer periphery reinforced by a plurality of reinforcing ribs 53. A mechanism portion 54 that operates in conjunction with the operation handle 4 is provided in the center of the back surface.

  The operation handle 4 and the handle base member 5 are formed on the rear surface of the handle case 3 attached to the attachment opening 20 of the door outer plate 2, and the overhanging portion 3 b that protrudes obliquely upward to the inside of the vehicle through the attachment opening 20. The operation handle 4 is inserted into the end 33 from the inside of the vehicle, and the handle base member 5 is inserted through the insert bolts 35, 35 of the handle case 3 through the bolt through holes of the mounting seats 52, 52 on the left and right sides of the handle base member 5. 5 is brought into contact with the entire circumference of the opening edge of the overhanging end 33 through a sealing material 55, and a nut member is fastened to each of the insert bolts 35, 35 so that the handle base member 5 is fixed to the overhanging end of the handle case 3. Fastened to 33. Thereby, the operation handle 4 is installed in the upper half part in the overhang | projection part 3b of the handle case 3, and is shielded by the cover part 37 of the outer frame part 3a.

  According to the present embodiment, the handle case 3 that is mounted around the mounting opening 20 of the door skin 2 is provided with the tubular projecting portion 3 b that projects from the mounting opening 20 toward the inside of the vehicle, and is located deeper than the mounting opening 20. Since the handle base member 5 that supports the operation handle 4 is fixed to the overhang end 33 of a certain overhang portion 3b, the operation handle 4 is pivotally supported on the handle base member 5 so as to protrude from the handle base member 5 as a door handle. A crimped door handle can be used, and the door handle 1 can be arranged in the mounting opening 20 so as not to protrude from the door outer plate 2 to the outside of the vehicle.

  In addition, since the tubular projecting portion 3b of the handle case 3 is protruded obliquely upward, and the operation handle 4 is arranged on the upper side in the projecting portion 3b, the outer frame portion 3 of the handle case 3 is provided. The cover portion 37 can completely cover the operation handle 4 with a small width. In addition, since the width of the cover portion 37 can be reduced, a sufficient opening necessary for operating the operation handle 4 is secured below the cover portion 37 without making the mounting opening 20 larger than necessary. The

  The overhanging portion 3b is not necessarily cylindrical. For example, the plate-like overhanging portion may be extended from the left and right side edges and the lower edge of the inner peripheral edge of the outer frame portion 3a. The handle base member 5 can be stably installed.

It is the disassembled perspective view which looked at the door handle structure of this invention from the vehicle outer side. It is the disassembled perspective view seen from the vehicle inside of the said door handle structure. It is sectional drawing in the position which follows the III-III line | wire of FIG. It is sectional drawing in the position which follows the IV-IV line of FIG. It is sectional drawing in the position which follows the VV line of FIG. It is a figure of the back door of the vehicle provided with the concave design part in the door outer plate. It is a longitudinal cross-sectional view of the conventional door handle used for the said back door provided with the concave design part in the door outer plate | board. It is a figure of the back door of the vehicle which is not provided with the concave design part in the door outer plate.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door handle 2 Door outer plate 20 Mounting opening 25 Sealing material 3 Handle case 3a Outer frame part 3b Overhang part 33 Overhang end 36 Overhang end mounting seat 37 Cover part of outer frame part 4 Operation handle 5 Handle base member 55 Sealing material

Claims (5)

In a vehicle door handle structure in which a handle case is provided around a mounting opening formed in a flat plate portion of a door outer plate of a vehicle back door, and an operation handle is faced to the mounting opening from the inside of the vehicle,
The handle case is provided with a protruding portion protruding into the mounting opening on the back surface thereof,
The operation handle is supported on the handle base member so as to protrude from the member,
A door handle structure for a vehicle, wherein the handle base member is fixed to a projecting end of the projecting portion with the operation handle facing the mounting opening. The handle case includes an annular outer frame portion that covers an outer peripheral portion on the vehicle exterior side of the mounting opening, and the protruding portion that protrudes in a cylindrical shape from an inner peripheral edge of the outer frame portion, and the outer frame portion is attached to the mounting case. Coupled to the opening periphery of the opening,
2. The vehicle door handle structure according to claim 1, wherein the operation handle is inserted into an overhanging portion of the handle case from the inside of the vehicle, and an outer periphery of the handle base member is coupled to an overhanging end of the overhanging portion.   3. The vehicle door according to claim 2, wherein a cylindrical projecting portion of the handle case projects obliquely upward from an inner peripheral edge of the outer frame portion, and the operation handle is disposed at an upper position in the projecting portion. Handle structure.   The door handle structure for a vehicle according to claim 2 or 3, wherein a cover portion that extends downward and shields the operating hand is integrally formed on an upper edge of the outer frame portion of the handle case.   5. The door handle structure for a vehicle according to claim 2, wherein a seal member seals between a protruding end of the protruding portion of the handle case and an outer periphery of the handle base member.