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Headrest lock structure with lock slots, method for forming lock slots in headrest pole and method for producing headrest pole

By designing an arc-shaped bottom surface and vertical sides on the locking groove of the car seat headrest rod, the error problem of the headrest rod locking structure in the existing technology during the bending processing and manufacturing process is solved, and stability and cost-effectiveness are achieved. improvement.

Inactive Publication Date: 2005-04-27
DELTA KOGYO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, if the above-mentioned bending process is performed before the press forming of the locking groove 509, although the angle error caused by the bending process can be reduced, in the press forming after the bending process, the bending part of the pipe material 510 becomes an obstacle, and the process is extremely difficult. It is troublesome, so it is difficult to reduce the manufacturing man-hours

Method used

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Examples

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Comparison scheme
Effect test

Embodiment Construction

[0045] Fig. 1 is a diagram showing a locking structure of a headrest according to an embodiment of the present invention, (a) is an external perspective view, (b) is a front view showing the locking groove part of (a), and (c) is a 1C-1C sectional view thereof .

[0046] The locking structure of the headrest of this embodiment, for example, can be equipped on the seat back of a car seat, and its main part includes a headrest bar 1 and a locking plate (locking plate) as shown in Figure 1 (a)-(c). Component) 2.

[0047] For the headrest rod 1, for example, a long pipe material 3 made of stainless steel or iron with a circular cross-section is used as a blank, and a plurality of (4 are illustrated in this embodiment) are arranged in a row along the axial direction of the pipe material 3. A) the locking groove 4 is stamped and formed. In addition, the pipe material 3 (the same applies to the solid material 30 described later) does not necessarily have to be circular in cross sec...

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PUM

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Abstract

A locking structure includes a headrest pole 1 having a circular cross-section and formed with a plurality of locking grooves 4 so as to be linearly arranged along the axial direction, and a locking plate 2 allowed to be fitted into one of the locking grooves 4. The locking groove 4 has a bottom surface portion 41 extending arcuately into a region recessed from a peripheral surface 40 of the headrest pole 1 by a predetermined amount, and a side surface portion 42 formed substantially perpendicularly to the bottom surface portion 41 at least on one side of the bottom surface portion 41 in the axial direction of the headrest pole 1. The locking plate 2 has an arcuate recessed portion 21 corresponding to the shape of the bottom surface portion 41 of the locking groove 4, and a flat portion 22 corresponding to the side surface portion 42 of the locking groove 4. To provide a structure or the like of a locking groove of a headrest, which prevents easy disengagement of a lock.

Description

technical field [0001] The invention relates to a locking structure of a grooved headrest, a forming method of the locking groove and a manufacturing method of a headrest rod. Background technique [0002] Fig. 8 is a structural view of a common car seat, (a) is a perspective view showing the entire seat, and (b) is a perspective view showing a headrest portion thereof. [0003] As shown in Figure 8 (a), a common automobile seat comprises: a seat cushion 501 installed on the vehicle body; a seat back 502 installed on the seat cushion 501 freely topple over; The headrest 503 is mounted on the upper end portion of the seat back 502 firmly. Furthermore, as shown in FIG. 8( b ), the headrest 503 has a cushion member 504 and a substantially inverted U-shaped headrest rod 505 that supports the cushion member 504 . The left and right leg parts 506 , 507 of the headrest rod 505 are detachably inserted through a rod guide tube 508 provided on the seat ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C7/38B60N2/48
CPCB60N2/4817B60N2/818
Owner DELTA KOGYO CO LTD