JPH0351377U

JPH0351377U -

Info

Publication number: JPH0351377U
Application number: JP11177389U
Authority: JP
Priority date: 1989-09-25
Filing date: 1989-09-25
Publication date: 1991-05-20

Description

[Brief explanation of drawings]

第１図および第２図は本考案による磁気抵抗素
子調整機構を示すものであり、第１図は、概略全
体図、第２図は、第１図において−線に沿つ
てみた図、第３図は保持部材の移動状態を示す図
、第４図は本考案による磁気抵抗素子調整機構を
利用した加速度センサの概略断面図、第５図は本
考案による磁気抵抗素子調整機構を利用した直線
変位計の概略断面図、第６図は本考案による磁気
抵抗素子調整機構を利用した傾斜センサの概略断
面図、第７図は磁気抵抗素子を示す図、第８図は
第７図の磁気抵抗素子の等価回路を示す図、第９
図は磁気抵抗素子に磁石を近接させた状態を示す
図、第１０図は従来の技術によつて磁気抵抗素子
をケースに設置した状態を示す図である。１，２１……磁気検出部、２，１７，１７ａ，
１７ｂ，２２……磁気抵抗素子、３，１６，１６
ａ，１６ｂ……保持部材、４……貫通孔、５，１
５，１５ａ，１５ｂ，２５……ケース、６……支
持孔、７……支持棒、８……調整部材、８ａ，８
ｂ……ねじ穴、９ａ，９ｂ，１４，１４ａ，１４
ｂ……ねじ、１０……曲折部、１１……歪板、１
１ａ……変位棒、１１ｂ……連結部材、１２，１
２ａ，１２ｂ，２４……磁石、１３，１３ａ，１
３ｂ……重り体、１８，１８ｂ……オイル、２３
……素子板、２６……接着剤。 1 and 2 show the magnetoresistive element adjustment mechanism according to the present invention, in which FIG. 1 is a schematic overall view, FIG. 2 is a view taken along the - line in FIG. 1, and FIG. The figure shows the moving state of the holding member, Figure 4 is a schematic sectional view of an acceleration sensor using the magnetoresistive element adjustment mechanism according to the present invention, and Figure 5 shows the linear displacement using the magnetoresistive element adjustment mechanism according to the present invention. 6 is a schematic sectional view of an inclination sensor using the magnetoresistive element adjustment mechanism according to the present invention, FIG. 7 is a diagram showing a magnetoresistive element, and FIG. 8 is a diagram showing the magnetoresistive element of FIG. 7. Figure 9 shows the equivalent circuit of
This figure shows a state in which a magnet is brought close to a magnetoresistive element, and FIG. 10 shows a state in which a magnetoresistive element is installed in a case using a conventional technique. 1, 21...magnetic detection section, 2, 17, 17a,
17b, 22... Magnetoresistive element, 3, 16, 16
a, 16b... Holding member, 4... Through hole, 5, 1
5, 15a, 15b, 25... Case, 6... Support hole, 7... Support rod, 8... Adjustment member, 8a, 8
b...Screw hole, 9a, 9b, 14, 14a, 14
b...screw, 10...bent part, 11...distorted plate, 1
1a...Displacement rod, 11b...Connection member, 12,1
2a, 12b, 24... magnet, 13, 13a, 1
3b... Weight body, 18, 18b... Oil, 23
...Element board, 26...Adhesive.

Claims

[Claims for Utility Model Registration] (1) A magnetoresistive element adjustment mechanism for adjusting magnetoresistive elements 2, 17, 17a, and 17b within cases 5, 15, 15a, and 15b, in which a magnetic detection section 1 is provided. Magnetoresistive elements 2, 17, 17a, 1
Holding members 3, 16, 16a, 16 that hold 7b
b, a through hole 4 is formed in a part thereof, and the axial direction of the through hole 4 is aligned with the case 5, 15,
The support rods 7 are positioned in the cases 5, 15, 15a, 15b so as to match the support holes 6 formed in the through holes 4 and 15b, and the support rods 7 are inserted into the through holes 4 and the support holes 6. The case 5 is movable in a direction perpendicular to the support rod 7 using the rod 7 as a fulcrum.
, 15, 15a, 15b, the holding members 3, 1
1. A magnetoresistive element adjusting mechanism characterized in that an adjusting member 8 is provided for adjusting and holding the magnetoresistive elements 6, 16a, and 16b in a predetermined moving state. (2) The adjustment member 8 is attached to the cases 5, 15, 15a, 15b at a predetermined distance on both sides of the support rod 7 in a plane perpendicular to the support rod 7 and including the adjustment direction. The screw holes 8a and 8b formed by the
, 16, 16a, 16b.
a, 9b, and by adjusting the length of screwing the screws 9a, 9b into the screw holes 8a, 8b, the holding members 3, 16, 16a, 16b can be adjusted to a predetermined moving state. The magnetoresistive element adjustment mechanism according to claim 1, wherein the magnetoresistive element adjustment mechanism is capable of holding the magnetic resistance element.