Vehicle door latch device

JP7880280B2Active Publication Date: 2026-06-25HI-LEX ACT CORP YOKOHAMA-SHI

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
HI-LEX ACT CORP YOKOHAMA-SHI
Filing Date
2022-12-09
Publication Date
2026-06-25

AI Technical Summary

Benefits of technology

【0009】 本発明によれば、ドアラッチ装置が取り付けられるドアのドアハンドルの位置に応じて、サブレバー及びハンドルレバーを交換するのみで、ドアハンドルの操作力を効率的に伝達して、ラチェットを動作させることができる。これにより、ドアラッチ装置は、サブレバー及びハンドルレバーを交換するのみで、ラチェットを動作させるために必要なドアハンドルの操作力の変化を抑制しつつ、ドアハンドルの位置が異なる複数種類のドアに取り付けることができる。

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Abstract

To provide a door latch device for a vehicle allowed to be attached on a plurality of types of doors in which positions of door handles are different from each other while suppressing changes in operation force of the door handles necessary to activate a latch.SOLUTION: A door latch device 10 includes: a latch 21; a ratchet 23 engageable on the latch 21; a lever link 31 releasing engagement between the ratchet 23 and the latch 21; a sub lever 32 rotatable around a first rotating shaft 51 as a center to activate the lever link 31; and a handle lever 33 rotatable around a second rotating shaft 52 as a center to activate the sub lever 32. On the handle lever 33, an operation force transmitting part 33c is provided on which an operation force transmission rod 73 for transmitting operation force of an inside handle 93 can be attached, while the first rotating shaft 51 and the second rotating shaft 52 are parallel to each other and are arranged in positions different in a vertical direction of a vehicle and a longitudinal direction of the vehicle.SELECTED DRAWING: Figure 5
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Claims

1. A latch that can engage with a striker provided on the vehicle body, A ratchet that can engage with the latch, A vehicle door latch device comprising a lever link for disengaging the ratchet from the latch, The aforementioned vehicle door latch device is It is rotatable around the first pivot axis and has a sub-lever that operates the lever link, It is rotatable around the second pivot axis and further comprises a handle lever for operating the sub-lever, The handle lever is provided with a connection portion to which an operating force transmission member that transmits the operating force of the door handle can be connected. A vehicle door latch device in which the first pivot shaft and the second pivot shaft are parallel to each other and are positioned at different locations in the vehicle's vertical direction and vehicle's longitudinal direction.

2. A vehicle door latch device according to claim 1, Viewed from the axial direction of the first pivot shaft and the second pivot shaft, A vehicle door latch device, wherein at least a portion of the connecting portion is provided to be located in a region where the rotational range of the sub-lever and the rotational range of the handle lever overlap when the handle lever is in the standby position.

3. A vehicle door latch device according to claim 1, A vehicle door latch device wherein the second pivot axis is located below the first pivot axis and in front of the vehicle.

4. A vehicle door latch device according to claim 1, A vehicle door latch device wherein a weight is provided at the lower end of the sub-lever when the sub-lever is in the standby position.

5. A vehicle door latch device according to any one of claims 1 to 4, The system further includes a lever lock that can be switched between a locked state in which the operation of the latch is locked and an unlocked state in which the operation of the latch is not locked. The aforementioned handle lever is, A vehicle door latch device having a lever lock operating part that contacts the lever lock and operates the lever lock.