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Wire, detector having wire, and die for wire

一种金属模、电缆的技术，应用在金属模领域，能够解决难以壳体、壳体形状限制、设计旋转传感器形状等问题

Inactive Publication Date: 2007-11-28
AISIN SEIKI KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the above-mentioned Patent Document 2, since it is necessary to provide a constricted portion at the position where the cable is placed in the mold, the shape of the housing is limited.
That is, since the shape of the case needs to be determined in consideration of the throttle portion, it is difficult to downsize the case, and at the same time it is difficult to design the case in a shape suitable for the installation place of the rotation sensor.

Method used

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  • Wire, detector having wire, and die for wire
  • Wire, detector having wire, and die for wire
  • Wire, detector having wire, and die for wire

Examples

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Embodiment Construction

[0033] Hereinafter, an embodiment in which the present invention is embodied will be described based on FIGS. 1 to 10 . In this embodiment, the present invention is embodied as a rotation sensor 11 that detects the rotation speed of a wheel.

[0034] FIG. 1 roughly shows a side sectional view of a rotation sensor 11 as a detector. The rotation sensor 11 adopts an electromagnetic pickup method, and is disposed opposite to a rotor (not shown) separately disposed on the vehicle. The rotation sensor 11 includes: a sensor unit 12 ; a cable 13 connected to the sensor unit 12 ; and a case 14 covering the sensor unit 12 and the cable 13 (in detail, including the end of the cable 13 connected to the sensor unit 12 ).

[0035] The sensor unit 12 includes a hollow cylindrical bobbin 15 formed of a resin material. Inside the bobbin 15, a yoke 16, a magnet 17, and a back core 18 are provided. The yoke 16, the magnet 17, and the back core 18 are formed of a magnetic material and constitu...

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PUM

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Abstract

A rotation sensor (11) comprises a sensor section (12), a wire (13) connected to the sensor section (12), and a resin housing (14). The wire (13) has a sheath (24) formed of a resin having good compatibility with the resin forming the housing (14). Two annular sealing protrusions (25) are formed to surround the sheath (24) at a part of the sheath (24) covered by the housing (14). When a molten resin is poured into a die for molding the housing (14), heat of the molten resin is efficiently transmitted to the sealing protrusions (25). Consequently, the sealing protrusions (25) melts suitably and surely weld the housing (14) to the sealing protrusions (25).

Description

technical field [0001] The present invention relates to a cable for signal transmission, a detector provided with the cable, and a die for heating and compressing the cable. Background technique [0002] Conventionally, a rotation sensor has been used to detect the rotation speed of a vehicle wheel, a power transmission shaft, and the like. This rotation sensor includes: a sensor unit; a cable for transmitting an electrical signal output from the sensor unit; and a resin case covering the sensor unit and the cable. The cable is connected to the sensor unit inside the case, and extends to the outside of the case. Generally, since the rotation sensor is used under severe conditions, high waterproof performance is required. Patent Document 1 and Patent Document 2 disclose sealing structures for preventing water seepage from the interface between the case and the cable. [0003] In Patent Document 1, the cable (in more detail, the sheath covering the wire) and the case are ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/00B29C45/17B29C33/42G01P3/488
CPCB29C45/14311H01R13/5205B29C45/1418B29C2045/1659G01D11/245G01P1/026
Inventor 岩濑荣一郎日比野光明
Owner AISIN SEIKI KK
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