JP2007046296A - Door handle device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door handle device capable of improving theft prevention performance. <P>SOLUTION: This door handle device has a base member 12 fixed to the reverse surface side of a door panel 11, a lever member 3 oppositely arranged from the door panel surface side in the base member 12, supporting a base end side pivotal extension part 301 by a pivotal part 125 of the base member 12 via a base end through-hole 13 of the door panel and connecting a rocking end side connecting locking part 302 to a control rod of a door lock mechanism, a handle cover 16 having a cover part 21 inclose vicinity to the rocking end side of the lever member 3 and a key cylinder holding part 17 fitted and fixed to a fitting chamber 126 of the base member via a rocking end through-hole 14 of the door panel by extending from the cover part, and a key cylinder 8 supported by the key cylinder holding part 17 and idly operating the door lock mechanism by key-ON operation; and has a retainer 18 abutting on a car inside projection wall of the base member 12 and fastened to the key cylinder holding part 17 of the fitting chamber 126 by a fastening bolt 24. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a grip handle type door handle device that is operated when opening and closing a door from the outside of a vehicle.

The vehicle door can be kept locked by locking the latch provided on the sliding end side to the striker on the opposite pillar member side, and when the door is opened, the handle of the door handle device is pulled to control it. The latch of the door lock mechanism is opened via the rod. Of the door handle devices used here, those of the grip handle type are often used as door handles.
As a conventional grip handle type door handle device, for example, there is one disclosed in Japanese Patent Laid-Open No. 2002-206358 (Patent Document 1).

  This door handle device protrudes from the center of the key cylinder, the door handle outside the door panel, the case close to the door handle, the annular recess of the case fitting the key cylinder protruding from the inside of the door panel through the through hole of the door panel And a screw for fastening the flange to the case with the door panel interposed therebetween, and in particular, the protector is sandwiched between the case and the door panel. For example, the door handle device is configured so that even if it receives an excessive external force from a driver-like rod-shaped attack member (not shown), the peripheral edge of the through hole of the door panel is prevented from being deformed by the protector, and the anti-theft property can be secured. Yes.

  Furthermore, the grip handle type door handle device shown in FIG. 6 has a base member 120 fixed inside the door panel 150, a base end engaged with the base member 150, and a door handle 160 disposed outside the door panel 150. And a handle cover 140 proximate to the door handle. Here, the handle cover 140 extends from the back side of the cover part 140, and the holding part 100 supporting the key cylinder 110 is fitted into the fitting chamber 180 of the base part through the through hole 170 of the door panel. The door handle device is attached to the door panel 150 by tightening 110 and the side wall 121 of the base portion 120 at a single point with a bolt 130 obliquely from the rear.

JP 2002-206358 A

  By the way, in the case of the door handle device disclosed in Patent Document 1, the key cylinder is formed so that a part of the flange protrudes in the shape of a tongue piece, and the tip end side thereof is fastened in a cantilevered manner to the case back side by a bolt. For this reason, when the key cylinder receives an excessive external force in the in-vehicle direction, the tongue-shaped portion of the flange is likely to be bent, and there is a possibility of allowing the rod-like attack member to enter through the through hole of the door panel. Forcible release force is applied to the release link and the control rod of the door lock mechanism connected thereto, and the lock may be released.

Similarly, in the case of the door handle device shown in FIG. 6, the key cylinder 110 in the holding part 100 and the side wall 121 of the base part 120 are fastened at one point by the bolt 130, so that the cover part 141 is destroyed and the key cylinder 110 and the through hole 160 of the door panel 150 allow a driver-like rod-like attack member (not shown) to enter, the holding part 100 side and the side wall 121 of the base part 120 are tightened at one point by the bolt 130. Therefore, the key cylinder 110 and the holding portion 100 are easily raised to the outside of the vehicle by the rod-like attack member, and the anti-theft property is low.
The present invention has been made based on the above problems, and an object thereof is to provide a door handle device that can further improve the anti-theft property.

  According to a first aspect of the present invention, there is provided a door handle device comprising a base member fixed to the back side of the door panel, a base member that is opposed to the base member from the front side of the door panel, and a base end pivot portion at one end is a base end of the door panel. A lever member that is supported by the pivotal support portion of the base member through the through hole and whose connection locking portion on the other end side is connected to the control rod of the door lock mechanism, and a cover portion and the cover adjacent to the other end side of the lever member A handle cover having a key cylinder holding portion that extends from the portion and is fitted and fixed to the fitting chamber of the base member through the sliding end through-hole of the door panel, and is supported by the key cylinder holding portion and operated by key-on operation. A door handle device comprising: a key cylinder that idles a door lock mechanism; wherein the fitting chamber is in contact with a vehicle interior protrusion wall of the base member Characterized in that it comprises a retainer which is fastened in the key cylinder holding portion clamping bolt.

  The door handle device according to a second aspect is the door handle device according to the first aspect, wherein the retainer abuts a peripheral edge of the retainer on the inner wall of the base member and a fitting cut-in portion of the key cylinder at the center portion. A through hole of the fastening bolt is formed in the vicinity thereof.

  According to the first aspect of the present invention, the retainer is fastened to the key cylinder holding portion that is fixed by being fitted into the fitting chamber of the base member, and the retainer abuts against the vehicle interior protrusion wall of the base member. The retainer integrated with the key cylinder holding part is locked to the base member even when the key cylinder is applied, so that the key cylinder holding part and the key cylinder inside the key cylinder are broken by receiving external force and are detached from the fitting chamber. In particular, the retainer deforms the sliding end through-hole of the door panel to block the intruding path, thereby preventing further intrusion of the rod-like attack member.

  According to the second aspect of the present invention, the peripheral edge of the retainer abuts against the vehicle interior projecting wall of the base member, and the key cylinder is fitted into the fitting cut-in part at the center of the retainer. Because it is fastened, even if a rod-like attack member enters the gap between the key cylinder and the key cylinder holding part, the entry path can be reliably closed, and the lock release link at the rear end of the key cylinder and the door connected to it It is possible to reliably prevent the forced release force from being applied to the control rod of the lock mechanism.

  1 and 2 show a door handle device as one embodiment of the present invention. This door handle device 1 is mounted on a door 2 of a vehicle, here a door 2 on the passenger seat side. The door 2 is hinged at the front end to a front pillar (not shown) on the passenger seat side, and a sliding end side, which is the rear end, is fitted with a latch of a door lock mechanism (not shown), and this latch is opposed to this not shown. The door lock state can be maintained by engaging the striker on the pillar member side.

  A door outer panel (hereinafter simply referred to as a door panel 11) of the door 2 to which the door handle device 1 shown in FIGS. 1 and 2 is mounted is formed with a handle facing recess 10 in the vicinity of its sliding end side, and before and after the handle facing recess 10. A base end through hole 13 and a swing end through hole 14 are formed. The door handle device 1 is formed so as to open the latch 5 of the door lock mechanism via a latch-side control rod 4 (see FIG. 3) interlocked with the lever member 3 by pulling the lever member 3. The door lock mechanism is separately provided with a locking link mechanism 6 for switching the latch opening operation force from the latch-side control rod 4 to the idle operation and canceling the latch opening operation, and the operation of the locking link mechanism 6 is locked. A control rod 7 is connected to a release lever 9 of a key cylinder 8 described later.

  The door handle device shown in FIGS. 1 to 3 has a base member 12 fixed to the back side of the door panel 11 and a base through a front end through hole 13 and a swing end through hole 14 provided in the door panel from the front side of the door panel 11. A lever member 3 that is assembled to the member 12 and opens / closes the door 2, and a handle cover 16 that is assembled to the base member 12 through the sliding end through hole 14 provided in the door panel 11 from the surface of the door panel adjacent to the lever member 3. With.

  The lever member 3 has a substantially arcuate shape and is disposed at a position facing the handle-facing recess 10, and has a pivot support portion 301 which is a base end pivot portion from a base end (one end) facing the base end through-hole 13. A connection locking portion 302 is formed to extend from the swing end (the other end) facing the swing end through hole 14. The pivot extending part 301 extending from the base end is formed so as to be slidable without interfering with the base end through hole 13 and the base end accommodation hole 122 formed in the base member 12 inside thereof. The connection locking portion 302 extending from the swing end is formed to be swingable without interfering with the swing end through hole 14 and the swing end receiving hole 123 formed in the base member 12 inside thereof. Here, the hooking portion 303 is formed at the protruding end of the coupling locking portion 302, and the hook portion 303 is formed so as to open the latch 5 of the door lock mechanism via the bending lever 27 and the latch side control rod 4. ing.

  The bending lever 27 constituting the bell crank mechanism that engages with the hook portion 303 is pivotally supported by a bulging portion 28 that is formed to protrude from the side wall of the base member 12. The bending lever 27 is configured to receive an elastic biasing force in a direction in which the hook portion 303 on the lever member 3 side is pulled by the return spring 26, and to hold the lever member 3 in a steady state.

  The base member 12 is brought into contact with the handle-facing recess 10 on the back surface side of the door panel 11 so as to overlap the front-end base end through-hole 13 and the swing end through-hole 14. At this time, the center fitting recess 121 overlaps the back surface of the handle facing recess 10, and the edge flange p 1 of the base end accommodation hole 122 is fitted to the opening edge f 1 (see FIG. 1) of the base end side through hole 13. Then, the edge flange p2 of the swing end accommodation hole 123 is fitted to the opening edge portion f2 of the swing end through hole 14, thereby restricting the positional deviation.

  The base end receiving hole 122 projects from the inner wall of the end side wall 124 into the receiving hole 122 so as to project a hinge projection 125 as a pivot. Moreover, the base end accommodation hole 122 accommodates the pivot support portion 301 of the lever member 3 so as to be slidable. A pivot hole 304 that fits into the hinge projection 125 is formed at the protruding end of the pivot extension 301. That is, the pivot extension 301 is supported by the hinge projection 125, which is the pivot, and these are the levers. The rotation center position RO of the member 3 is set.

  The sliding end receiving hole 123 of the base member 12 fits the coupling locking portion 302 so as to be slidable at a position close to the center fitting recess 121 side, and the key cylinder holding portion 17 of the handle cover 16 is not loose at a distant position. In addition, the fitting chamber 126 that fits in a state that prevents displacement toward the vehicle interior side is continuously formed. The fitting chamber 126 is formed with an annular wall portion 127 extending from the back surface of the door panel 11 toward the vehicle interior side (lower side in FIG. 1), and the protruding edge of the annular wall portion 127 serves as a contact portion of the retainer 18 described later. Constitute.

  Here, the sliding end side of the annular wall portion 127 is formed as an inclined wall 127s, and the opposing portion of the key cylinder holding portion 17 that contacts the inner surface of the inclined wall 127s is also formed as the inclined wall 17s. Fastened by fastening bolts 19. Here, the fastening bolt 19 is tightened while being inclined with respect to the front-rear direction X in which the door panel 11 extends, thereby facilitating the fastening operation and also to the inside of the vehicle applied to the key cylinder holding portion 17. Relative displacement with respect to the base member 12 when the external force is received, that is, displacement to the vehicle inner side (lower side in FIG. 1) is prevented.

  The handle cover 16 is close to the swing end side of the lever member 3, and has an outer shape cover portion 21 that makes the outer shape of the substantially arcuate lever member 3 continuous, and extends from the back surface of the cover portion 21 to swing the door panel 11. A key cylinder holding portion 17 is provided which is fitted and fixed to the fitting chamber 126 of the base member 12 through the end through hole 13. Here, the cover portion 21 is formed with a key insertion hole 211 of the key cylinder 8 in the center, an annular back side flange 212 is formed on the inner periphery of the periphery of the cover panel 21, and the connection flange 171 of the key cylinder holding portion 17 is connected to the annular back side flange 212. Are closely fitted, and the two are integrally joined.

  The key cylinder holding part 17 is formed such that the key cylinder 8 is mounted in the center so that it cannot be detached, and the outer wall surface is fitted in the fitting chamber 126 of the base member 12. In particular, the key cylinder 8 protrudes from the center of the vehicle interior wall surface fb that is the protruding end side of the key cylinder holding portion 17. A release lever 9 is attached to the operation shaft of the key cylinder 8, and one end of the locking control rod 7 is connected to the release lever 9. Here, when a key (not shown) is inserted into the key cylinder 8 and locked, the locking link mechanism 6 cancels the latch operation via the release lever 9 and the locking control rod 7, and the locked state can be maintained. When the key is unlocked, the locking link mechanism 6 is configured to allow the latch to be locked and unlocked.

  A retainer 18 made of a highly rigid steel plate is disposed opposite to the vehicle interior wall surface fb of the key cylinder holding portion 17 projecting from the protruding end side of the key cylinder 8. The retainer 18 has a central cut portion 181 as a fitting cut portion into which the key cylinder 8 is fitted and a through hole 182 formed in the vicinity thereof, and a peripheral portion of the retainer 18 is an annular wall that covers the outside of the key cylinder holding portion 17. It contacts the protruding edge e (see FIG. 3) of the portion 127. The retainer 18 can fasten the key cylinder holding part 17 in a non-detachable state in the fitting chamber 126 by tightening the fastening bolt 24 inserted into the through hole 182, and attach the cover part 21 integral with the key cylinder holding part 17. The sliding end through hole 14 of the door panel 11 can be covered and fixed.

  To assemble the door handle device of FIG. 1 to the door panel 11, first, the center fitting recess 121 of the base member 12 is overlapped on the back surface of the handle facing recess 10 of the door panel 11, and at the same time the opening of the base end side through hole 13 is opened. The edge flange p1 of the base end receiving hole 122 is fitted to the edge f1, and the edge flange p2 of the swing end receiving hole 123 is fitted to the opening edge f2 of the swing end through hole 14, respectively, and the positional deviation is regulated. Is done.

  Next, the pivot support portion 301 of the lever member 3 is fitted and inserted into the base end accommodation hole 122 through the base end through hole 13, and the pivot support hole 304 of the pivot support extension portion 301 is fitted to the hinge protrusion 125. Thus, the rotation center position RO of the lever member 3 is set. Then, the coupling locking portion 302 at the swing end of the lever member 3 is inserted into the swing end through hole 14 and the swing end receiving hole 123.

  Next, the key cylinder holding portion 17 is inserted and fitted into the sliding end through hole 14 and the fitting chamber 126 inside thereof. At this time, the elastic hook piece 25 extending and formed at the portion facing the lever member 3 on the handle cover 16 side engages with the protrusion J of the connection locking portion 302, and the base member 12 and the lever member with respect to the door panel 11 are engaged. 3. The handle cover 16 can be temporarily assembled.

The inclined wall 127 s of the base member 12 in such a temporarily assembled state and the inclined wall 17 s of the key cylinder holding portion 17 inside thereof are integrated by fastening the fastening bolts 19, and at the same time, the handle cover 16 sandwiches the door panel 11. The lever member 3 that is integrated with the base member 12 and pivotally supported by the base member 12 and is pulled and urged by the return spring 26 is also held in a steady state (the state shown in FIG. 1).
Thereafter, the central portion of the retainer 18 is fastened to the vehicle interior wall surface fb of the key cylinder holding portion 17 by the fastening bolt 24, and the peripheral edge portion of the retainer 18 comes into pressure contact with the protruding end edge e of the annular wall portion 127 of the base member 12.

  In order that a vehicle equipped with such a door handle device is key-locked and a third person illegally unlocks the door 2, the cover 21 is deformed by a driver-like rod-like attack member (not shown), and the door panel 11 The retainer 18 fastened to the key cylinder holding portion 17 is formed in the annular wall even if the key cylinder holding portion 17 integrated with the key cylinder 8 is deformed to the side of the sliding end through hole 14. Since it is in contact with the protruding edge of the portion 127, it is impossible to pull up the key cylinder holding portion 17 toward the sliding end through hole. On the contrary, even if the key cylinder holding portion 17 is pushed into the vehicle interior, it is almost impossible to push the key cylinder holding portion 17 into the vehicle relative to the fitting chamber 126 of the base member. Further, even if the rod-like attack member tries to operate the release lever 9 at the protruding end of the key cylinder 8 or the locking control rod 7, the central cut portion 181 of the retainer 1 is in close contact with the outer peripheral wall of the key cylinder 8, and the rod-like attack member enters the path. Can be reliably blocked, and intrusion can be reliably prevented.

  In addition, the retainer 1 has a peripheral edge that abuts against the protruding edge e of the annular wall 127 and extends to the outside. The release lever 9 and the locking control rod 7 at the rear end of the key cylinder 8 are used as rod-like attack members. Since the guard wall having a size that can be surely excluded from unauthorized operation is formed, it is possible to reliably prevent the locked state from being forcibly switched to unlocking.

It is a plane sectional view of the door handle device as one embodiment of the present invention. It is a principal part notch disassembled perspective view of the door handle apparatus of FIG. 1, and the door panel of the vehicle with which it is mounted | worn. It is a side view from the base member side of the door handle apparatus of FIG. It is AA ship sectional drawing of the door handle apparatus of FIG. It is a side view from the lever member side of the door handle apparatus of FIG. It is a plane sectional view of the conventional door handle device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door handle apparatus 3 Lever member 301 Pivoting extension part 302 Connection latching part 304 Pivoting hole 4 Latch side control rod 5 Latch 8 Key cylinder 11 Door panel 12 Base member 122 Base end accommodation hole 125 Hinge protrusion part 126 Fit chamber 13 Base end through hole 14 Swing end through hole 16 Handle cover 17 Key cylinder holding portion 18 Retainer 181 Center cut portion (fit cut portion)
21 Cover part 24 Bolt RO Rotation center position of lever member X Back and forth direction

Claims (2)

A base member fixed to the back side of the door panel, and a base end pivot part of one end side of the base member that is opposed to the base panel from the front side of the door panel are supported on the pivot part of the base member through the base end through hole of the door panel. A lever member having an end side coupling locking portion coupled to the control rod of the door lock mechanism, a cover portion adjacent to the other end side of the lever member, and extending from the cover portion, through the sliding end through hole of the door panel A handle cover having a key cylinder holding portion that is fitted and fixed in the fitting chamber of the base member; and a key cylinder that is supported by the key cylinder holding portion and that idles the door lock mechanism by a key-on operation. Door handle device,
A door handle device comprising: a retainer that abuts against a vehicle inner projecting wall of the base member and is fastened to a key cylinder holding portion in the fitting chamber with a fastening bolt. The door handle device according to claim 1, wherein
The door is characterized in that a peripheral portion of the retainer abuts against a vehicle inner side projecting wall of the base member, and a fitting cut-in portion of the key cylinder is formed in the central portion and a through hole of the clamping bolt is formed in the vicinity thereof. Handle device.

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