JPH0449868U

JPH0449868U -

Info

Publication number: JPH0449868U
Application number: JP9139090U
Authority: JP
Priority date: 1990-08-31
Filing date: 1990-08-31
Publication date: 1992-04-27

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す正断面図、第
２図は第１図の平面図、第３図は分解状態の正断
面図、第４図は本考案の他の実施例を示す一部破
断正面図、第５図は加速度検出装置のステアリン
グへの組み込み状態を示す断面図、第６図は第５
図の要部を拡大した側面図、第７図は本考案の他
の実施例を示す正断面図、第８図は第７図のブロ
ツク部分の正断面図、第９図はブロツクの組立方
法を示す正断面図、第１０図〜第１１図は筒状部
へのリードスイツチの配置方法を説明するための
正断面図、第１２図は本考案の他の実施例を示す
一部破断正面図、第１３図は第１２図の部拡大
図、第１４図は本考案の他の実施例を示す断面図
、第１５図は本考案の他の実施例を示す一部破断
正面図、第１６図は第１５図の−断面図、第
１７図はマグネツトリングの他の実施例を示す断
面図、第１８図は本考案の他の実施例を示す正断
面図、第１９図は本考案の他の実施例を示す正断
面図、第２０図は第１９図の−断面図、第２
１図〜第２２図はリードスイツチのそれぞれ異な
つた実施例を示す正断面図、第２３図はモニタリ
ング回路、第２４図は本考案の他の実施例を示す
正断面図、第２５図は本考案の他の実施例を示す
正断面図、第２６図は本考案の他の実施例を示す
分解状態の斜視図、第２７図は第２６図の要部拡
大断面図、第２８図は従来例の正断面図、第２９
図は第２８図の加速度検出装置のステアリングに
組み込んだ状態を示す断面図、第３０図は第２９
図は要部拡大図である。図中、１，１_１，１_２，１_３は第１のケース、
２は筒状部、２ａは頂部、２ｃはリブ、３は段部
、３ａはネジ部、３_１，３_２は異形部、４，４_１はベース部、６，６_１，６_２はリードスイツチ、
８，９はリード線、１０は間充物、１１，１１_１はマグネツトリング、１１ａは丸味部、１１ｂは
溝、１２，１２_１，１２_２，１２_３，１２_４は第
２のケース、１３，１３_１はスプリング、１４，
１４_１は蓋体、１６，１７は筒状部、２０はステ
アリング、２０ａはステアリングシヤフト、２９
，３０は抵抗体、６_０，３１はセンサである。 Fig. 1 is a front sectional view showing one embodiment of the present invention, Fig. 2 is a plan view of Fig. 1, Fig. 3 is a front sectional view of an exploded state, and Fig. 4 is a front sectional view showing another embodiment of the invention. 5 is a partially cutaway front view, FIG. 5 is a sectional view showing how the acceleration detection device is installed in the steering wheel, and FIG.
FIG. 7 is a front sectional view showing another embodiment of the present invention; FIG. 8 is a front sectional view of the block shown in FIG. 7; FIG. 9 is a method of assembling the block. FIGS. 10 to 11 are front sectional views for explaining the method of arranging the reed switch in the cylindrical part. FIG. 12 is a partially cutaway front view showing another embodiment of the present invention. 13 is an enlarged view of a portion of FIG. 12, FIG. 14 is a sectional view showing another embodiment of the present invention, and FIG. 15 is a partially cutaway front view showing another embodiment of the present invention. 16 is a sectional view taken from FIG. 15, FIG. 17 is a sectional view showing another embodiment of the magnet ring, FIG. 18 is a front sectional view showing another embodiment of the present invention, and FIG. A front sectional view showing another embodiment of the invention, FIG. 20 is a - sectional view of FIG.
1 to 22 are front sectional views showing different embodiments of the reed switch, FIG. 23 is a monitoring circuit, FIG. 24 is a front sectional view showing another embodiment of the present invention, and FIG. 25 is a front sectional view showing different embodiments of the reed switch. FIG. 26 is a front sectional view showing another embodiment of the invention, FIG. 26 is an exploded perspective view showing another embodiment of the invention, FIG. 27 is an enlarged sectional view of the main part of FIG. 26, and FIG. 28 is a conventional one. Front sectional view of example, No. 29
The figure is a sectional view showing the state in which the acceleration detecting device shown in Fig. 28 is incorporated into the steering wheel, and Fig. 30 is a sectional view showing the state in which the acceleration detecting device shown in Fig.
The figure is an enlarged view of the main parts. In the figure, 1, _{1 1} , 1 ₂ , 1 ₃ are the first case,
2 is a cylindrical part, 2a is a top part, 2c is a rib, 3 is a stepped part, 3a is a screw part, 3 ₁ , 3 ₂ is an irregular part, 4, 4 ₁ is the base part, 6, 6 ₁ , 6 ₂ are the reed switches,
8 and 9 are lead wires, 10 is a filler, 11 and 11 ₁ is a magnet ring, 11a is a rounded part, 11b is a groove, 12, 12 ₁ , 12 ₂ , 12 ₃ , 12 ₄ is a second case, 13, 13 ₁ is a spring, 14,
14 ₁ is a lid body, 16 and 17 are cylindrical parts, 20 is a steering wheel, 20a is a steering shaft, 29
, 30 are resistors, and 6 ₀ , 31 are sensors.

補正平２．１２．１４図面の簡単な説明を次のように補正する。明細書第３７頁第１６行目〜第１７行目の「、
第３０図は第２９図の要部拡大図である」を削除
する。Amendment 2.12.14 Hei 2.12.14 The brief description of the drawing is amended as follows. Page 37 of the specification, lines 16 to 17, “,
30 is an enlarged view of the main part of FIG. 29" is deleted.

Claims

[Claims for Utility Model Registration] 1. The cylindrical part and the base part are configured in a substantially T-shape,
An acceleration detection device characterized in that a reed switch is disposed in the space of the cylindrical portion, and a lead wire having an electrical connection relationship with the reed switch is led out from the cylindrical portion. 2. The cylindrical part and the base part are configured in a substantially T-shape,
and a first case having a stepped portion at the base of the cylindrical portion, a reed switch disposed in the space of the cylindrical portion, and a second case attached to the first case so as to cover the cylindrical portion. a case, a magnet ring disposed substantially concentrically on the stepped portion of the cylindrical portion, a spring that elastically presses the magnet ring, and the second case not attached to the first case. A lid is rotatably attached to the side so that the magnet ring is elastically pressed by the spring, and rotation of the lid applies a pressing force to the spring against the magnet ring. The acceleration detection device according to claim 1, wherein the acceleration detection device adjusts. 3. Claim 1, characterized in that a guide cylindrical part is formed on the side of the lid body facing the first case, and a part of the first case is located in this cylindrical part.
The acceleration detection device described in . 4. The acceleration detection device according to claim 1, wherein the space of the cylindrical portion is filled with a filler. 5. The acceleration detection device according to claim 1, wherein the intermediate material is mainly a resin-based member. 6. The lead wire is led out from a space in the base part that communicates with the space in the cylindrical part, and the position at which the lead wire is led out from the base part is different from the position at which it is disposed inside the cylindrical part. The acceleration detection device according to claim 1. 7. The cylindrical part and the base part are configured in a substantially T-shape,
A reed switch is disposed in the cylindrical portion, and
An acceleration detection device having a lead wire connected to the reed switch electrically led out from the cylindrical part is fixed to the printed circuit board, and is arranged in the steering part so that the case part is in almost the same direction as the steering shaft. A vehicle featuring 8 Acceleration detection in which a reed switch is arranged in the space of the cylindrical part, a magnet ring is arranged on the outer periphery of the cylindrical part, and it is movable along the outer periphery against the elasticity of the spring. An acceleration detection device characterized in that the space of the cylindrical portion is filled with a filler. 9. Acceleration detection in which a reed switch is arranged in the space of the cylindrical part, a magnet ring is arranged on the outer periphery of the cylindrical part, and the magnet ring is movable along the outer periphery against the elasticity of the spring. An acceleration detecting device characterized in that an end of one lead wire led out from the reed switch is supported at the top of a cylindrical portion. 10. The acceleration detection device according to claim 9, wherein another lead wire is connected to the one lead wire, and an end portion of the lead wire is led out from the case portion. 11 A first case having a cylindrical part, a reed switch disposed in the space of the cylindrical part, a second case attached to the first case so that the cylindrical part is covered, and a second case having a cylindrical part. a magnet ring disposed substantially concentrically on the shaped portion; a spring that elastically presses the magnet ring; An acceleration device comprising a lid rotatably mounted so that the ring is elastically pressed, and the pressing force of the spring against the magnet ring is adjusted by rotation of the lid. Detection device. 12. Acceleration detection according to claim 11, characterized in that a cylindrical part is formed on the side of the lid body facing the first case, and a part of the first case is located in this cylindrical part. Device. 13 a first case having a cylindrical part; a reed switch disposed in the space of the cylindrical part; a second case attached to the first case so that the cylindrical part is covered; The cylindrical part includes a magnet ring arranged substantially concentrically, and a spring that elastically presses the magnet ring, and a guide cylinder is provided on the side of the second case facing the first case. What is claimed is: 1. An acceleration detection device characterized in that a cylindrical portion is formed, and a part of the first case is located in the cylindrical portion. 14. Forming a protruding step at the base of the cylindrical part, arranging a reed switch in the space of the cylindrical part, and arranging a magnet ring on the outer periphery of the cylindrical part,
What is claimed is: 1. An acceleration detecting device configured to be elastically pressed by a spring in a stepped portion, characterized in that a deformed portion is formed in the stepped portion in contact with the magnet ring. 15. The acceleration detection device according to claim 14, wherein the irregularly shaped portion is a rough surface portion having an uneven surface. 16. The acceleration detecting device according to claim 14, wherein the irregularly shaped portion is an inclined portion having a downward slope from the outer circumference toward the inner circumference of the stepped portion. 17. The acceleration detection device according to claim 14, wherein the irregularly shaped portion is a groove formed on the surface of the stepped portion. 18 In an acceleration detection device in which a reed switch is disposed in a space of a cylindrical part and a magnet ring is disposed on an outer circumference of the cylindrical part so as to be movable against the elasticity of a spring, the cylindrical part An acceleration detection device characterized in that a plurality of ribs are formed in the axial direction on the outer circumference of the magnet ring to reduce the contact area between the inner circumference of the magnet ring and the cylindrical portion. 19. In an acceleration detection device in which a reed switch is disposed in a space of a cylindrical part, and a magnet ring is disposed on an outer periphery of the cylindrical part so as to be movable against the elasticity of a spring, the magnet ring An acceleration detection device characterized in that a rounded portion is formed on an inner circumferential portion facing the cylindrical portion. 20 In an acceleration detection device in which a reed switch is disposed in a space of a cylindrical part and a magnet ring is disposed on an outer periphery of the cylindrical part so as to be movable against the elasticity of a spring, one end of the spring is inserted into a recess provided in a surface of a magnet ring facing a spring. 21. The acceleration detection device according to claim 20, wherein the spring has a conical shape whose diameter increases from the magnet ring side toward the other end. 22. The acceleration detection device according to claim 20, wherein a member with good sliding properties is attached to a portion of the magnet ring that faces the cylindrical portion. 23. The acceleration detection device according to claim 20, wherein the spring is a plurality of leaf springs. 24. The acceleration detection device according to claim 20, wherein one end of the leaf spring is bent into a substantially U-shape, and the bent end is fixed to a recessed portion of a magnet ring. 25. In an acceleration detection device in which a reed switch is disposed in a space of a cylindrical part, and a magnet ring is disposed on an outer periphery of the cylindrical part so as to be movable against the elasticity of a spring, the magnet ring An acceleration detection device characterized in that a sensor sensitive to magnetism is arranged near a resting position of the object. 26. The acceleration detection device according to claim 25, wherein the sensor is a reed switch. 27. The acceleration detection device according to claim 25, wherein the sensor is a magnetoresistive element. 28 A first case having a cylindrical part and a base part, a reed switch disposed in the space of the cylindrical part, and a reed switch mounted on the cylindrical part of the first case so as to cover it. the second case, a magnet ring arranged substantially concentrically on the cylindrical part, and a spring that elastically presses the magnet ring, and the second case is detachably attached to the first case. An acceleration detection device characterized in that it is mounted so that 29 A locking pawl is formed at the end of the second case, and locking portions are formed on both sides of the non-cylindrical portion of the first case, and the second case is connected to the first case,
29. The acceleration detection device according to claim 28, wherein the locking portion of the locking pawl is detachably attached to the locking portion of the base portion. 30. A reed switch characterized in that a resistor is disposed within a container having a switch portion, and the resistor is electrically connected in parallel to the switch portion. 31. The reed switch according to claim 30, wherein the resistor is a fixed resistor. 32. The reed switch according to claim 30, wherein the resistor is a resistance layer formed on the inner wall of the container.