Holder structure for sensor and sensor for detecting change of magnetic field

1. A holder structure for a sensor, in which a sensor unit is seated on one end and a pair of cables connected to the sensor unit are seated on the other end, the holder structure comprising:

a body which is elongated;

a sensor unit seating part formed at one end of the body in the longitudinal direction such that the sensor unit is seated;

a cable seating part formed at the other end of the body in the longitudinal direction such that the pair of cables connected to the sensor unit to be energized are seated;

a first fixing part having a first protrusion formed to protrude, in a lateral direction, from one side of the body, and a first groove concavely formed, toward an opposite side of the body opposite to the one side of the body, on a front-end surface of the first protrusion; and

a second fixing part having a second protrusion formed to protrude, in an opposite lateral direction, from the opposite side of the body, and a second groove concavely formed, toward the one side of the body, on a front-end surface of the second protrusion and having a cross-section which is different from the cross-section of the first groove.

2. The holder structure of claim 1 , wherein the sensor unit comprises a sensor body, a pair of terminals formed to extend from one side of the sensor body to which the pair of cables are respectively connected, and a through hole formed in the terminals, and

wherein the body comprises a terminal fixing protrusion formed to protrude from one side such that the sensor unit is seated in the sensor unit seating part while being coupled to the through hole.

3. The holder structure of claim 2 , wherein the sensor unit further comprises a body fixing protrusion formed to protrude from the other side of the sensor body, and

wherein the sensor unit seating part comprises an edge wall formed to surround the edge of the sensor body and a body fixing protrusion groove formed in the edge wall such that the sensor unit can be seated with the body fixing protrusion inserted.

4. The holder structure of claim 3 , wherein the sensor body is formed asymmetrically, and

wherein the edge wall is formed to correspond to the asymmetric shape of the sensor body such that the sensor body can be seated in the sensor unit seating part only in one direction.

5. The holder structure of claim 1 , wherein the cable seating part comprises a pair of side walls protruding from the body and extending in the longitudinal direction of the body, and a separation wall protruding from the body to be disposed in the center of the pair of side walls and extending in the longitudinal direction, and

wherein the separation wall comprises a plurality of cable fixing ribs formed to protrude from both sides toward the pair of side walls.

6. The holder structure of claim 1 , wherein the cable seating part comprises a pair of side walls protruding from the body and extending in the longitudinal direction of the body, and a separation wall protruding from the body to be disposed in the center of the pair of side walls and extending in the longitudinal direction, and

wherein the pair of side walls comprises a plurality of cable fixing ribs formed to protrude from the inner side toward the separation wall.

7. The holder structure of claim 1 , further comprising:

a protection member fixing member for fixing a protection member formed to surround the pair of cables with one end of the pair of cables exposed to the outside to the other side of the body.

8. The holder structure of claim 7 , wherein the protection member fixing member is opened in a direction where the cable is seated such that the protection member is seated in the protection member fixing member in a direction where the cable is seated in the cable seating part.

9. The holder structure of claim 8 , wherein the protection member fixing member further comprises a pair of protrusions protruding inward from both ends of the open side of the protection member fixing member.

10. The holder structure of claim 9 , wherein a guide surface for guiding the protection member toward the open side of the protection member fixing member is formed on the pair of protrusions.

11. The holder structure of claim 1 , further comprising:

a third fixing part having a third protrusion spaced apart from and parallel with the first protrusion and formed to protrude, in the lateral direction, from the one side of the body, and a third groove concavely formed, toward the opposite side of the body, on a front-end surface of the third protrusion; and

a fourth fixing part having a fourth protrusion spaced apart from and parallel with the second protrusion and formed to protrude, in the opposite lateral direction, from the opposite side of the body, and a fourth groove concavely formed, toward the one side of the body, on a front-end surface of the fourth protrusion and having a cross-section which is different from the cross-section of the third groove.

12. A sensor for detecting a change in the magnetic field, comprising:

a sensor unit for detecting a change in the magnetic field;

a pair of cables connected to the sensor unit to be energized;

a holder structure for a sensor in which the sensor unit and the pair of cables are seated; and

a housing in which the holder structure for a sensor is disposed,

wherein the holder structure for a sensor comprises:

a body which is elongated;

a sensor unit seating part formed at one end of the body in the longitudinal direction such that the sensor unit is seated;

a cable seating part formed at the other end of the body in the longitudinal direction such that the pair of cables are seated;

a first fixing part having a first protrusion formed to protrude, in a lateral direction, from one side of the body, and a first groove concavely formed, toward an opposite side of the body opposite to the one side of the body, on a front-end surface of the first protrusion; and

a second fixing part having a second protrusion formed to protrude, in an opposite lateral direction, from the opposite side of the body, and a second groove concavely formed, toward the one side of the body, on a front-end surface of the second protrusion and having a cross-section which is different from the cross-section of the first groove.

13. The sensor of claim 12 , wherein in the housing, an end of a first fixing member extending in length and having a cross-section corresponding to the cross-section of the first groove portion is coupled to the first fixing part and extending in length, and an end of the second fixing member having a cross-section corresponding to the cross-section of the second groove is formed by injection while being coupled to the second fixing part.

14. The sensor of claim 12 , wherein the holder structure for a sensor further comprises:

a third fixing part having a third protrusion spaced apart from and parallel with the first protrusion and formed to protrude, in the lateral direction, from the one side of the body, and a third groove concavely formed, toward the opposite side of the body, on a front-end surface of the third protrusion; and

a fourth fixing part having a fourth protrusion spaced apart from and parallel with the second protrusion and formed to protrude, in the opposite lateral direction, from the opposite side of the body, and a fourth groove concavely formed, toward the one side of the body, on a front-end surface of the fourth protrusion and having a cross-section which is different from the cross-section of the third groove,

wherein in the housing, a first fixing member extending in length and having a cross-section corresponding to the first groove is coupled to the first fixing part, and a second fixing member extending in length and having a cross-section corresponding to the second groove is coupled to the second fixing part, and a third fixing member spaced apart from the first fixing member and extending in length and having a cross-section corresponding to the third groove is coupled to the third fixing portion, and a fourth fixing member spaced apart from the second fixing member and extending in length and having a cross-section corresponding to the fourth groove is formed by injection while being coupled to the fourth fixing member.

15. The sensor of claim 12 , wherein the sensor unit measures the wheel speed of a vehicle.