Embedded hinge for automobile headrest and armrest and manufacturing method thereof

An automobile headrest and manufacturing method technology, which are applied to armrests, special positions of vehicles, vehicle seats, etc., can solve the problems of high price, time-consuming production and assembly, unfavorable dripping of lubricating oil, etc., and achieve low production cost, high resistance to The effect of strong fatigue resistance and simple structure

Active Publication Date: 2015-04-22
NINGBO JIFENG AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Hinges generally used in automobile headrests and armrests usually use imported hinges. The friction plate set used inside the hinge is generally composed of several circular friction plates stacked together. In the hinge shell, the friction plate is placed to rotate. At the same time, the friction plate group and the main shaft adopt surface contact. Although the friction force generated by the surface contact is very large, it is not conducive to the dripping of lubricating oil. After the shaft is installed, it needs to be rotated continuously. Only the rotating shaft can make the lubricating oil fill between the entire rotating shaft and the friction plate group. This kind of imported hinge is not only time-consuming to produce and assemble, but also very expensive. Therefore, in order to reduce the overall production cost and increase the production speed, a new hinge structure is designed. is necessary

Method used

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  • Embedded hinge for automobile headrest and armrest and manufacturing method thereof
  • Embedded hinge for automobile headrest and armrest and manufacturing method thereof
  • Embedded hinge for automobile headrest and armrest and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] According to the torque required by the hinge, first stack and install the friction plate 4 on the smooth position in the middle of the main shaft 2, then install the main shaft 2 in the housing 1, then set the pressure of the press according to the required torque, and press it through the press The shell 1 deforms the shell 1 and generates pressure, which causes the internal friction plate 4 to deform, so that the friction force between the friction plate 4 and the main shaft 3 is generated through point contact, so that the torque of the hinge changes, and then through the shell The arc-shaped grooves 7 at both ends are injected with high and low temperature resistant lubricating oil, and finally sealed by the end cover 2 to prevent dust from entering and preventing the lubricating oil from leaking out.

Embodiment 2

[0028] When the hinge needs to be installed inside the headrest, the hinge is placed into the mold, the shell 1 of the hinge is installed on the fixed part of the headrest, and the end of the main shaft 2 corresponds to the connection position of the rotating part of the headrest, and then through injection molding Machine injection molding forms the headrest skeleton, and the entire headrest skeleton is integrally formed, wherein the connection position of the headrest rotating part wraps the transverse groove 5 on the end of the main shaft 2, which is not easy to fall off.

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PUM

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Abstract

The invention relates to an embedded hinge for an automobile headrest and an armrest and a manufacturing method of the embedded hinge. The embedded hinge is that the middle part of a main shaft (3) is smooth; a plurality of frictional plates (4) which are closely arranged in parallel sleeve the outer side of the smooth part; the main shaft (3) transversely passes through a housing (1); the frictional plates (4) are positioned in the housing (1) and connected with the inner sidewall of the housing (1), wherein the frictional plates (4) are in point contact connection with the main shaft (3) and rotate opposite to the main shaft (3); the housing (1) is full of lubricating oil, and end covers (3) are mounted at two ends of the housing (1) by a sealing manner. The embedded hinge has the characteristics of being simple in structure, convenient to manufacture, low in production cost, high in fatigue resisting intensity, and adjustable in torque.

Description

technical field [0001] The invention relates to the manufacturing field of connectors for automobile headrests and armrests, in particular to an embedded hinge for automobile headrests and armrests and a manufacturing method thereof. Background technique [0002] Hinges generally used in automobile headrests and armrests usually use imported hinges. The friction plate set used inside the hinge is generally composed of several circular friction plates stacked together. In the hinge shell, the friction plate is placed to rotate. At the same time, the friction plate group and the main shaft adopt surface contact. Although the friction force generated by the surface contact is very large, it is not conducive to the dripping of lubricating oil. After the shaft is installed, it needs to be rotated continuously. Only the rotating shaft can make the lubricating oil fill between the entire rotating shaft and the friction plate group. This kind of imported hinge is not only time-consu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60N2/46B60N2/48F16C11/04B60N2/75
CPCB60N2/763B60N2/806
Inventor 孔林龙
Owner NINGBO JIFENG AUTO PARTS
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