Swing block locking device for seat angular adjustor
A technology of seat angle adjuster and locking device, which is applied to movable seats and other directions, can solve the problems of complex structure, function failure of seat mechanism, inconvenient operation of sliders, etc., and achieves continuous step-by-step adjustment, stable structure and structural simple effect
Inactive Publication Date: 2012-07-18
SUZHOU DONGFENG FINEBLANKING ENG
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Problems solved by technology
[0003] At present, the core device of the recliner is relatively common in the market, and its internal locking mechanism uses two to three sliders to slide linearly in the chute of the fixed plate to realize the unlocking / locking function of the device, while the slider locking mechanism Locking and unlocking generally need to be completed by the cooperation of the unlocking cam, slider, and locking cam, and the structure is relatively complicated.
Due to the small matching gap between the slider and the chute of the fixed plate, it is inconvenient to operate the slider during the assembly process; The groove boss is sheared and deformed / broken, which leads to the sliding teeth of the recliner core device, resulting in the failure of the seat mechanism function
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[0012] refer to figure 1 , The pendulum block lock device of the swing seat recliner includes a pendulum block 1, a tooth plate 2, a fixed plate 3, a cam 4, and a return spring 5; the pendulum block 1 is installed on a fixed plate 3, and meshes with the ratchet teeth of the tooth plate 2, the outer surface of the tooth plate 2 is assembled in the half-punched inner hole of the fixed plate 3, and the center round platform of the cam 4 is a half-punched counterbore structure, and one end of the counterbore is set on the fixed plate 3 on the center round platform, the other end is fixed in the tooth plate 2 endoporus, the center end of back-moving spring 5 is sleeved on the fixed plate 3 arc-shaped half punching bosses, and the other end is stuck in the cam 4 gibs.
[0013] Among them, there are 2 pendulum blocks 1 and return spring 5, and the number of pendulum blocks can be determined according to the performance of the core parts of the recliner. When the strength requirement ...
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The invention discloses a swing block locking device for a seat angular adjustor, which comprises a swing block, a toothed plate, a fixing plate, a cam and a return spring. The swing block which is meshed with a ratchet of the toothed plate is mounted in the fixing plate with an arc semi-punching boss serving as a center of rotation, the outer periphery of the toothed plate is mounted in a semi-punched inner bore of the fixing plate, a central cone frustum of the cam is in a semi-punched counter bore structure with one end sleeved on a central cone frustum of the fixing plate and the other end fixed in the inner bore of the toothed plate, the return spring is sleeved on the semicircular semi-punched boss of the fixing plate, and one of the return spring is clamped on a hook of the cam. Continuous step adjustment of a seat backrest can be realized by means of the swing block locking device, and a mounting riveting process is stable, reliable and high in efficiency.
Description
technical field [0001] The invention relates to a seat recliner, in particular to a pendulum lock device whose internal driving mode is a swing type. Background technique [0002] The seat recliner is mainly used in the backrest adjustment mechanism of the car seat to adjust the forward and backward tilt angle of the seat, so that the occupant can reach an optimal driving or riding angle, and simultaneously realize the instant locking of the seat back. Ensure the comfort and safety of the seat back. [0003] At present, the core device of the recliner is relatively common in the market, and its internal locking mechanism uses two to three sliders to slide linearly in the chute of the fixed plate to realize the unlocking / locking function of the device, while the slider locking mechanism Locking and unlocking generally need to be completed by the cooperation of the unlocking cam, the slider, and the locking cam, and the structure is relatively complicated. Due to the small m...
Claims
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IPC IPC(8): B60N2/22
Inventor 韩传飞
Owner SUZHOU DONGFENG FINEBLANKING ENG