JPH0239902U

JPH0239902U -

Info

Publication number: JPH0239902U
Application number: JP11898988U
Authority: JP
Priority date: 1988-09-08
Filing date: 1988-09-08
Publication date: 1990-03-19

Description

[Brief explanation of drawings]

第１図は本考案に係る車両の空気タイヤ低圧警
報機構の一実施例に関する空気タイヤ側の機器構
成及び電気的な接続関係を示す図、第２図は上記
実施例に関する車内側の機器構成及び電気的な接
続関係を示す図、第３図は上記実施例に関する要
部断面図、第４図は第３図中の矢印Ａが示す部分
の拡大図、第５図は第３図中のホイールキヤツプ
の正面図、第６図は第５図中の―線断面図、
第７図は本考案に係る車両の空気タイヤ低圧警報
機構に関する他の実施例に関する要部断面図であ
る。１；２１…ホイール、２；２０…ホイールキヤ
ツプ、２ａ，２０ａ…回転中心部、３…空気タイ
ヤ、４…圧力センサ、５…送信機、６…発電機、
７…電源（蓄電池）、８…受信機、９…表示装置
、１０；２５…送信機接続用端子、１１；２６…
圧力センサ接続用端子。 FIG. 1 is a diagram showing the equipment configuration and electrical connections on the pneumatic tire side of an embodiment of the pneumatic tire low pressure warning mechanism for a vehicle according to the present invention, and FIG. 3 is a cross-sectional view of the main parts of the above embodiment; FIG. 4 is an enlarged view of the portion indicated by arrow A in FIG. 3; and FIG. 5 is a wheel in FIG. 3. A front view of the cap, Figure 6 is a sectional view taken along the line - in Figure 5,
FIG. 7 is a sectional view of main parts of another embodiment of the pneumatic tire low pressure warning mechanism for a vehicle according to the present invention. 1; 21... Wheel, 2; 20... Wheel cap, 2a, 20a... Rotation center, 3... Pneumatic tire, 4... Pressure sensor, 5... Transmitter, 6... Generator,
7... Power supply (storage battery), 8... Receiver, 9... Display device, 10; 25... Transmitter connection terminal, 11; 26...
Terminal for pressure sensor connection.

Claims

[Claims for Utility Model Registration] (1) A pressure sensor 4 for detecting the air pressure in a pneumatic tire 3 supported by a wheel 1; 21 to which a wheel cap 2; 20 is detachably attached;
a transmitter 5 that is electrically connected to the pressure sensor 4 and emits a predetermined signal when the air pressure detected by the pressure sensor 4 becomes lower than a predetermined pressure; and a transmitter 5 that supplies power to the transmitter 5. A power source 7, a receiver 8 that receives a predetermined signal emitted from the transmitter 5, a power source that supplies power to the receiver 8, and a display provided in the vehicle and electrically connected to the receiver 8. a device 9, and the receiver 8 is connected to the transmitter 5.
A pneumatic tire low pressure alarm mechanism of a vehicle is configured to display on the display device 9 that the air pressure in the pneumatic tire 3 is lower than the predetermined pressure when a predetermined signal is received from the pneumatic tire 3, and the transmitter 5 is connected to the tire wheel of the vehicle. Cap 2; 20
A pneumatic tire low pressure alarm mechanism for a vehicle, characterized in that it is attached to a rotation center 2a; 20a of a vehicle. (2) The transmitter connection terminal 10 connected to the pressure sensor 4 is fixed to the wheel 1, while the pressure sensor connection terminal 1 connected to the transmitter 5 is fixed to the wheel 1.
1 to the wheel cap 2, and by attaching the wheel cap 2 to the wheel 1, the transmitter connection terminal 10 and the pressure sensor connection terminal 11 are connected, and the pressure sensor 4 and the pressure sensor connection terminal 11 are connected. 2. A pneumatic tire low pressure warning mechanism for a vehicle as claimed in claim 1, wherein the system is electrically connected to a transmitter. (3) A washer-shaped transmitter connection terminal 25 connected to the pressure sensor 4 is provided on the wheel 21 side, and a washer-shaped pressure sensor connection terminal 26 connected to the transmitter 5 is provided on the wheel cap. 20 side, and the transmitter connection terminal 25 and the pressure sensor connection terminal 2 are attached to the bolt 12 that attaches the wheel cap 20 to the wheel 21.
6 and tightening the bolt 12 to attach the wheel cap 20 to the wheel 21, connecting the transmitter connection terminal 25 and the pressure sensor connection terminal 26, and connecting the pressure sensor 4.
2. A pneumatic tire low pressure warning mechanism for a vehicle according to claim 1, wherein said transmitter and said transmitter are electrically connected to each other.