Sensor bracket
A sensor bracket for mounting, on a vehicle, a capacitance sensor in which a loop-shaped electric wire serving as a sensor electrode extends from a sensor main body includes a bracket main body on which the sensor main body is arranged with the electric wire looping back so as to extend in parallel with each other at a constant distance from each other, and a plate spring portion being supported by the bracket main body in a cantilever manner, having, on a tip side, a hooking portion disposed to which the electric wire can be hooked, and providing the electric wire hooked to the hooking portion with tension.
1. A sensor bracket for mounting, on a vehicle, a capacitance sensor in which a loop-shaped electric wire serving as a sensor electrode extends from a sensor main body, comprising:
a bracket main body on which the sensor main body is arranged with the electric wire looping back so as to extend in parallel with each other at a constant distance from each other; and
a plate spring portion being supported by the bracket main body in a cantilever manner, having, on a tip side, a hooking portion disposed to which the electric wire can be hooked, and providing the electric wire hooked to the hooking portion with tension.
2. The sensor bracket according to claim 1 , wherein
the bracket main body is formed into a straight line shape and has a pair of straight line-shaped holding grooves disposed that extend in parallel with each other at the constant distance from each other so as to house and hold parts of the electric wire that extend in parallel with each other, and
the plate spring portion is disposed projecting outward from the bracket main body in such a way that a loop-back part of the electric wire can be hooked to the hooking portion and has the hooking portion disposed at a location below groove bottoms of the holding grooves in a depth direction of the holding grooves.
3. The sensor bracket according to claim 1 , wherein
the bracket main body is formed into a curved shape and has a pair of fulcrum portions disposed at the constant distance from each other, the fulcrum portions serving as fulcrum points about which the electric wire curves on inner sides of curved parts among parts of the electric wire that extend in parallel with each other, and
the plate spring portion is disposed projecting outward from the bracket main body in such a way that a loop-back part of the electric wire can be hooked to the hooking portion.
4. The sensor bracket according to claim 1 , wherein
the plate spring portion has a pressure receiving portion disposed on a tip side, being spaced apart from the hooking portion by a distance allowing the electric wire to be accepted into a space between the pressure receiving portion and the hooking portion, the pressure receiving portion receiving pressing force in a direction in which the plate spring portion is bent in such a way that the tip side comes closer to the bracket main body.
5. The sensor bracket according to claim 1 , wherein
the bracket main body and the plate spring portion are formed into an integrated molded product made of resin.
6. The sensor bracket according to claim 1 , wherein
the plate spring portion is an injection-molded product that has a parting line formed on a part other than a contact part with which the electric wire hooked to the hooking portion comes into contact.