Adjusting device of wheel speed sensor

Abstract

The utility model relates to the technical field of sensors, and provides an adjusting device of a wheel speed sensor. The second regulator is movably connected to the first regulator; the wheel speed sensor is movably connected to the second regulator; wherein the second regulator can rotate around the vertical direction under the driving of the first regulator so as to regulate the angle of a probe at the detection end of the wheel speed sensor, and the wheel speed sensor can move along the length direction of the second regulator under the driving of the second regulator so as to regulate an air gap between the probe at the detection end of the wheel speed sensor and the signal wheel. Through the driving of the first regulator and the second regulator, the angle of the probe at the detection end of the wheel speed sensor and the air gap (distance) between the probe and the signal wheel can be regulated according to the actual driving environment condition, so that the probe at the detection end of the wheel speed sensor has the optimal detection distance; and the accuracy of wheel speed data detection is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor technical field, concretely relates to an adjusting device of wheel speed sensor. BACKGROUND

[0002] Wheel speed sensor is the sensor for measuring the wheel speed of the automobile. For modern automobile, wheel speed information is indispensable, and the wheel speed information is needed for automobile dynamic control system VDC, automobile electronic stability program ESP, anti-lock braking system ABS, control system of automatic transmission and the like. Therefore, wheel speed sensor is one of the most critical sensors in modern automobile.

[0003] At present, the wheel speed sensor is fixedly installed at the wheel, and the fixed installation mode causes the fixed position of the probe of the detection end of the wheel speed sensor, cannot adjust the air gap (distance) between the probe of the detection end of the wheel speed sensor and the signal wheel according to the actual driving environment, causes the detection distance difficult to be adjusted to the best, and further reduces the accuracy of wheel speed data detection. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides an adjusting device of wheel speed sensor to solve the problem that the fixed installation mode of the prior wheel speed sensor causes the fixed position of the probe of the detection end of the wheel speed sensor, cannot adjust the air gap (distance) between the probe of the detection end of the wheel speed sensor and the signal wheel according to the actual driving environment, causes the detection distance difficult to be adjusted to the best, and further reduces the accuracy of wheel speed data detection.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] An adjusting device of wheel speed sensor, comprising:

[0007] A first adjuster;

[0008] A second adjuster movably connected to the first adjuster;And

[0009] A wheel speed sensor movably connected to the second adjuster;

[0010] Wherein, the second adjuster can be rotated around the vertical direction by the drive of the first adjuster to adjust the angle of the probe of the detection end of the wheel speed sensor, and the wheel speed sensor can be moved along the length direction of the second adjuster by the drive of the second adjuster to adjust the air gap between the probe of the detection end and the signal wheel.

[0011] Optionally, the first adjuster includes a box-shaped shell, a first motor and a first transmission gear;

[0012] The first motor is fixedly installed outside the shell, and an output shaft of the first motor is fixedly connected with the first transmission gear after extending into the shell.

[0013] The first transmission gear is engaged with a second transmission gear arranged by the second adjuster.

[0014] Optionally, the second adjuster comprises a supporting plate, a second motor and a screw rod, a rectangular counterbore is arranged in the middle of the top surface of the supporting plate and downwardly, the second motor is fixedly installed on one side of the supporting plate, an output shaft of the second motor is fixedly connected with one end of the screw rod after extending into the rectangular counterbore, the screw rod extends along the length direction of the rectangular counterbore, and the other end of the screw rod is rotatably connected with the supporting plate.

[0015] The shaft of the second transmission gear is fixedly connected with the middle of the bottom surface of the supporting plate after rotating upwardly and extending out of the shell.

[0016] The wheel speed sensor is slidably connected on the supporting plate and is in transmission connection with the screw rod.

[0017] Optionally, the first transmission gear and the second transmission gear are bevel gears, and the axes of the two gears are perpendicular to each other after engagement.

[0018] Optionally, a counterbore is arranged in the middle of the top surface of the shell, and a bearing is arranged in the counterbore.

[0019] The shaft is in a T-shaped structure, the head of the shaft is half-embedded in the counterbore to press the bearing, and the rod part of the shaft is fixedly connected with the inner ring of the bearing.

[0020] Optionally, a pair of ear plates are connected to the outside of the shell, and the pair of ear plates are symmetrically arranged relative to the first motor.

[0021] The shell is connected with the wheel through the pair of ear plates.

[0022] Optionally, two arc-shaped slots with different lengths are arranged on each ear plate.

[0023] Each ear plate is connected with the wheel through a bolt penetrating through the arc-shaped slot.

[0024] Optionally, the first motor and the second motor are both servo motors.

[0025] Optionally, the wheel speed sensor comprises a base and a sensor body connected with each other, a sliding groove is arranged in the bottom surface of the base, and a screw sleeve is arranged in the sliding groove.

[0026] A guide rail is arranged on the top surface of the supporting plate, and the rectangular counterbore penetrates through the middle of the guide rail from bottom to top.

[0027] The sliding groove is slidably buckled on the guide rail, and the screw sleeve is threadedly connected with the screw rod.

[0028] Optionally, the guide rail is a dovetail type guide rail.

[0029] The chute is a dovetail type chute.

[0030] Compared with the prior art, the utility model has the beneficial effects that:

[0031] Through the drive of the first adjuster and the second adjuster, the angle of the wheel speed sensor detection end probe and the air gap (distance) between the wheel speed sensor detection end probe and the signal wheel can be adjusted according to the actual driving environment, so that the wheel speed sensor detection end probe has the best detection distance, and the accuracy of wheel speed data detection is improved. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0033] Figure 1 The utility model discloses a three-dimensional structure schematic diagram Figure 1 ;

[0034] Figure 2 The utility model discloses a three-dimensional structure schematic diagram Figure 2 ;

[0035] Figure 3 The utility model discloses a top view structure schematic drawing;

[0036] Figure 4 The utility model discloses a A-A direction section structure schematic drawing; Figure 3

[0037] Figure 5 The utility model discloses a first adjuster three-dimensional structure schematic drawing;

[0038] Figure 6 The utility model discloses a second adjuster three-dimensional structure schematic drawing;

[0039] Figure 7 The utility model discloses a second adjuster right view structure schematic drawing;

[0040] Figure 8 The utility model discloses a wheel speed sensor three-dimensional structure schematic drawing. DETAILED DESCRIPTION

[0041] ​In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0042] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0043] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0044] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0045] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0046] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples and the purpose is not to limit the present application.

[0047] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0048] Referring to Figures 1 to 8 The present application provides a kind of adjusting device of wheel speed sensor, comprising:

[0049] First regulator 100;

[0050] Second regulator 200, is movably connected on first regulator 100;And

[0051] Wheel speed sensor 300, is movably connected on second regulator 200;

[0052] Wherein, second regulator 200 can be rotated around vertical direction by the drive of first regulator 100 to adjust the angle of the detection end probe of wheel speed sensor 300, wheel speed sensor 300 can be moved along the length direction of second regulator 200 by the drive of second regulator 200 to adjust the air gap (distance) between the detection end probe and signal wheel (not shown in the figure).

[0053] Referring to Figure 4 And Figure 5 First regulator 100 includes box-shaped shell 110, first motor 120 and first transmission gear 130, first motor 120 is fixedly installed on the outside of shell 110, its output shaft enters the inside of shell 110 after and is fixedly connected with first transmission gear 130, first transmission gear 130 and the second transmission gear 240 of second regulator 200 setting are mutually engaged. First motor 120 drives first transmission gear 130 to rotate, so that second transmission gear 240 is rotated, so that second regulator 200 produces deflection around vertical direction, further adjust the angle of the detection end probe of wheel speed sensor 300.

[0054] Referring to Figure 6 And Figure 7As shown, the second adjuster 200 comprises a bracket 210, a second motor 220 and a screw rod 230, the bracket 210 is provided with a rectangular counterbore 211 in the middle of the top surface, the second motor 220 is fixedly installed on one side of the bracket 210, the output shaft of the second motor 220 extends into the rectangular counterbore 211 and is fixedly connected with one end of the screw rod 230, the screw rod 230 extends along the length direction of the rectangular counterbore 211 and is rotatably connected with the bracket 210 at the other end; the shaft 241 of the second transmission gear 240 is rotatably connected with the middle of the bottom surface of the bracket 210; the wheel speed sensor 300 is slidably connected on the bracket 210 and is in transmission connection with the screw rod 230. The second motor 220 drives the screw rod 230 to rotate, thereby driving the wheel speed sensor 300 to slide along the length direction of the bracket 210, and further adjusting the air gap between the probe of the detection end of the wheel speed sensor 300 and the signal wheel.

[0055] Referring to Figure 4 and Figure 7 As shown, the housing 110 is provided with a counterbore 111 in the middle of the top surface, and the counterbore 111 is provided with a bearing; the shaft 241 is in a T-shaped structure, the head of the shaft 241 is partially inserted into the counterbore 111 to press the bearing, and the rod part of the shaft 241 is fixedly connected with the inner ring of the bearing.

[0056] The housing 110 is connected with a pair of ear plates 140, and the pair of ear plates 140 are symmetrically arranged relative to the first motor 120; the housing 110 is connected with a wheel (not shown in the figure) through the pair of ear plates 140. Specifically, two arc-shaped slots 141 with different lengths are formed on each ear plate 140, and each ear plate 140 is connected with the wheel through bolts passing through the arc-shaped slots 141. By loosening the bolts, the position of the housing 110 can be finely adjusted, so that the probe of the detection end of the wheel speed sensor 300 can be better aligned with the signal wheel.

[0057] In the embodiment, the first motor 120 and the second motor 220 are preferably servo motors; in this way, the control is more accurate, and the adjustment accuracy of the wheel speed sensor 300 can be improved. The first transmission gear 130 and the second transmission gear 240 are bevel gears, and the axes of the two gears are perpendicular to each other after being engaged; in this way, the size of the housing 110 can be reduced, and further the occupied volume of the adjustment device can be reduced.

[0058] The wheel speed sensor 300 comprises a base 310 and a sensor body 320 which are connected with each other, the bottom surface of the base 310 is provided with a sliding groove 311, and a screw sleeve 312 is arranged in the sliding groove 311; the top surface of the bracket 210 is provided with a guide rail 212, and the rectangular counterbore 211 penetrates through the middle part of the guide rail 212 from bottom to top; the sliding groove 311 is slidably fastened on the guide rail 212, and the screw sleeve 312 is threadedly connected with the screw rod 230. When the screw rod 230 rotates, the base 310 is driven to slide on the guide rail 212 through the screw sleeve 312, so that the sensor body 320 moves to change the air gap between the probe of the sensor body 320 and the signal wheel.

[0059] In the embodiment, the guide rail 212 is a dovetail type guide rail, and the sliding groove 311 is a dovetail type sliding groove.

[0060] In summary, through the driving of the first adjuster 100 and the second adjuster 200, the angle of the detection end probe of the wheel speed sensor 300 and the air gap (distance) between the detection end probe and the signal wheel can be adjusted according to the actual driving environment, so that the detection end probe of the wheel speed sensor 300 has the optimal detection distance, and the accuracy of the wheel speed data detection is improved.

[0061] The above embodiment is only a preferred embodiment of the present application, and is not a limitation on the technical scheme of the present application. Any technical scheme that can be realized on the basis of the above embodiment without creative labor shall be considered to fall within the protection scope of the present application.

Claims

1. An adjustment device for a wheel speed sensor, characterized in that It comprises: a first adjuster; a second adjuster, which is movably connected to the first adjuster; a wheel speed sensor, which is movably connected to the second adjuster; wherein the second adjuster is rotatable around the vertical direction by the driving of the first adjuster to adjust the angle of the probe of the detection end of the wheel speed sensor, and the wheel speed sensor is movable along the length direction of the second adjuster by the driving of the second adjuster to adjust the air gap between the probe of the detection end and the signal wheel.

2. The adjusting device of the wheel speed sensor according to claim 1, wherein: the first adjuster comprises a box-shaped housing, a first motor and a first transmission gear; the first motor is fixedly installed outside the housing, and its output shaft extends into the housing and is fixedly connected with the first transmission gear; the first transmission gear and a second transmission gear arranged on the second adjuster are in meshing engagement.

3. The adjusting device of the wheel speed sensor according to claim 2, wherein: the second adjuster comprises a supporting plate, a second motor and a screw rod, the supporting plate is provided with a rectangular counterbore in the middle of its top surface, the second motor is fixedly installed on one side of the supporting plate, and its output shaft extends into the rectangular counterbore and is fixedly connected with one end of the screw rod, the screw rod extends along the length direction of the rectangular counterbore and is rotatably connected with the supporting plate at the other end; a core shaft of the second transmission gear extends upward through the housing and is fixedly connected with the middle of the bottom surface of the supporting plate; the wheel speed sensor is slidably connected on the supporting plate and is in transmission connection with the screw rod. the first transmission gear and the second transmission gear are bevel gears, and their axes are perpendicular to each other after meshing.

4. The adjustment device for wheel speed sensors according to claim 2 or 3, characterized in that 5. The adjusting device of the wheel speed sensor according to claim 3, wherein: a counterbore is formed in the middle of the top surface of the housing, and a bearing is installed in the counterbore; the core shaft is in T-shaped structure, and its head is half-sunk into the counterbore to press the bearing, and its rod is fixedly connected with the inner ring of the bearing.

6. The adjusting device of the wheel speed sensor according to claim 3 or 5, wherein: a pair of ear plates are connected to the outside of the housing, and the ear plates are symmetrically arranged relative to the first motor; the housing is connected with the wheel through the pair of ear plates.

7. The adjusting device of the wheel speed sensor according to claim 6, wherein: two arc-shaped slots with different lengths are formed in each ear plate; each ear plate is connected with the wheel through bolts passing through the arc-shaped slots. the first motor and the second motor are both servo motors.

8. The adjustment device for wheel speed sensors according to claim 3 or 7, characterized in that 9. The adjusting device of the wheel speed sensor according to claim 3, wherein: the wheel speed sensor comprises a base and a sensor body which are connected with each other, a sliding groove is formed in the bottom surface of the base, and a screw sleeve is arranged in the sliding groove; a guide rail is arranged on the top surface of the supporting plate, and the rectangular counterbore penetrates through the middle of the guide rail from bottom to top; the sliding groove is slidably fastened on the guide rail, and the screw sleeve is in threaded connection with the screw rod.

10. The adjusting device of the wheel speed sensor according to claim 9, wherein: the guide rail is a dovetail guide rail; the sliding groove is a dovetail sliding groove. ​

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