Sensor fixing structure including valve body and pressure sensor
First Claim
Patent Images
1. A sensor attachment structure comprising:
- a valve body that has an oil passage therein, the valve body including an open end portion of the oil passage and an accommodation recessed portion in a surface of the valve body, the accommodation recessed portion being connected to the open end portion of the oil passage;
a pressure sensor whose external shape is a columnar shape, the pressure sensor being connected to the oil passage with at least a portion of the pressure sensor being disposed in the accommodation recessed portion;
a groove that is provided at an outer side of an outer wall of the pressure sensor in a radial direction, the groove being open at one end side in an axial direction of the pressure sensor;
a horizontally extending stopper that has a form of a groove and that is provided at an inner wall of the sensor accommodation recessed portion; and
a fixing portion that is provided on the outer side of the outer wall of the pressure sensor in the radial direction with respect to the groove, and that enters the stopper,wherein the fixing portion protrudes outward in the radial direction from the outer wall of the pressure sensor accommodated in the accommodation recessed portion and that contacts the stopper in the axial direction.
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Abstract
A groove is provided at an outer side of an outer wall of a pressure sensor in a radial direction, and opens at one end side in an axial direction of the pressure sensor. A horizontally extending stopper is provided at an inner wall of a sensor accommodation recessed portion. A fixing portion is provided on the outer side of the outer wall of the pressure sensor in the radial direction, and enters the stopper. The fixing portion protrudes outward in the radial direction from the outer wall of the pressure sensor accommodated in the accommodation recessed portion, and contacts the stopper in the axial direction.
8 Citations
10 Claims
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1. A sensor attachment structure comprising:
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a valve body that has an oil passage therein, the valve body including an open end portion of the oil passage and an accommodation recessed portion in a surface of the valve body, the accommodation recessed portion being connected to the open end portion of the oil passage; a pressure sensor whose external shape is a columnar shape, the pressure sensor being connected to the oil passage with at least a portion of the pressure sensor being disposed in the accommodation recessed portion; a groove that is provided at an outer side of an outer wall of the pressure sensor in a radial direction, the groove being open at one end side in an axial direction of the pressure sensor; a horizontally extending stopper that has a form of a groove and that is provided at an inner wall of the sensor accommodation recessed portion; and a fixing portion that is provided on the outer side of the outer wall of the pressure sensor in the radial direction with respect to the groove, and that enters the stopper, wherein the fixing portion protrudes outward in the radial direction from the outer wall of the pressure sensor accommodated in the accommodation recessed portion and that contacts the stopper in the axial direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification