Steering sensor

Abstract

The utility model discloses a steering sensor, and relates to the technical field of steering sensors, and the steering sensor comprises a bottom box, the top of the bottom box is provided with a top cover, the inner wall of the bottom box is provided with a clamping groove, the clamping groove is internally provided with a clamping block in a clamping manner, and the clamping block is fixedly connected with the top cover. A first gear is rotatably mounted in the bottom box, a first mounting groove is formed in the first gear, a quick release mechanism is mounted in the first mounting groove, and a measuring assembly is arranged in the bottom box. The steering sensor and the steering wheel shaft can be conveniently installed through the arrangement of the quick detaching mechanism, meanwhile, detaching is convenient, practicability is improved, the top cover and the bottom box can be conveniently clamped and installed through the cooperation of the clamping groove and the clamping block, the preliminary fixing function is achieved, and the installation stability of the top cover and the bottom box is improved by using the installation mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steering sensor technical field, concretely is a kind of steering sensor. BACKGROUND

[0002] Steering torque sensor is the key component of automobile electric power steering system, when automobile steering wheel rotates, sensor changes torque into electric signal and gives automobile microcomputer controller, to determine the rotation direction and the size of power assistance of direction power steering motor, ensure that automobile is light and flexible when low-speed driving;When high-speed driving, steering is stable and reliable, when the automobile in driving makes sharp turn or continuously sharp direction, automobile microcomputer controller will receive the steering angle signal after comprehensive processing, and the power system and brake system of automobile are regulated and controlled, and the driving direction is corrected, effectively avoid direction out of control, sideslip and spin, so that vehicle maintains driving stability and safety under various conditions.

[0003] The existing steering sensor is not convenient to install or disassemble quickly with steering wheel shaft, and when the steering sensor is damaged, the bolt needs to be disassembled using a tool to separate the top cover from the bottom box, which is not convenient for maintenance. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of steering sensor to solve the problem that sensor is not convenient to install or disassemble quickly with steering wheel shaft.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of steering sensor, including bottom box, the top of the bottom box is equipped with top cover, the inner wall of the bottom box is equipped with clamping groove, the inside of the clamping groove is clamped and installed with clamping block, and clamping block and top cover are fixedly connected;

[0007] The first gear is rotatably installed in the inside of the bottom box, the first installation slot is formed in the inside of the first gear, the quick release mechanism is installed in the inside of the first installation slot, and the measuring assembly is provided in the inside of the bottom box.

[0008] On the basis of the above technical scheme, the utility model also provides the following optional technical scheme:

[0009] In an optional scheme: the quick release mechanism includes spring, the spring is fixedly installed in the inside of the first installation slot, one end of the spring is fixedly installed with mounting block, and the mounting block is slidably installed with the first gear through the first installation slot.

[0010] In an optional scheme, the measuring assembly comprises a second gear and a third gear, both of which are rotatably installed on the top cover and are in meshing connection with the first gear, and both of the second gear and the third gear are internally provided with a magnetic block.

[0011] In an optional scheme, the bottom of both of the magnetic blocks is attached with a Hall chip, and the circuit board is welded and connected to the bottom of both of the Hall chips and is internally installed in the bottom box.

[0012] In an optional scheme, the surface of both of the top cover and the bottom box is provided with a through hole, and the vertical center line of the through hole and the vertical center line of the first gear coincide with each other.

[0013] In an optional scheme, both sides of the outer portion of the bottom box are provided with a second installation slot, and both of the second installation slots are internally provided with an installation mechanism.

[0014] In an optional scheme, the installation mechanism comprises a rotating rod, the rotating rod is rotatably installed in the second installation slot, one end of the rotating rod is fixedly connected with a screw rod, the outer portion of the screw rod is threadedly connected with a knob, and one end of the screw rod is fixedly installed with a limiting plate.

[0015] In an optional scheme, both sides of the outer portion of the top cover are provided with a limiting slot, and the screw rod penetrates through the top cover through the limiting slot.

[0016] Compared with the prior art, the utility model has the beneficial effects as follows:

[0017] 1、The utility model discloses a quick release mechanism is set up, and the steering sensor is installed with the steering wheel shaft conveniently, and is convenient for dismounting, and the practicality is improved.

[0018] 2、The utility model discloses the cooperation of the clamping groove and the clamping block, and the top cover and the bottom box are clamped and installed conveniently, have the function of preliminary fixation, and then use the installation mechanism, improve the stability of the top cover and the bottom box installation. DRAWINGS

[0019] Figure 1 It is the whole structure schematic view of the utility model.

[0020] Figure 2 It is the installation mechanism structure schematic view of the utility model.

[0021] Figure 3 It is the quick release mechanism structure schematic view of the utility model.

[0022] Figure 4 It is the Hall chip installation structure schematic view of the utility model.

[0023] Marked notes: 1, bottom box; 2, top cover; 3, card slot; 4, card block; 5, first gear; 6, first installation slot; 7, quick release mechanism; 71, spring; 72, mounting block; 8, second gear; 9, third gear; 10, magnetic block; 11, Hall chip; 12, circuit board; 13, through hole; 14, second installation slot; 15, mounting mechanism; 151, rotating rod; 152, screw; 153, knob; 154, limiting plate; 16, limiting groove. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is further described in detail below in combination with the drawings and examples.

[0025] In one embodiment, as shown in Figures 1-4 A steering sensor, comprising a bottom box 1, a top cover 2 is installed on the top of the bottom box 1, a card slot 3 is opened in the inner wall of the bottom box 1, a card block 4 is clamped and installed inside the card slot 3, and the card block 4 and the top cover 2 are fixedly connected;

[0026] A first gear 5 is rotatably installed inside the bottom box 1, a first installation slot 6 is opened in the inside of the first gear 5, a quick release mechanism 7 is installed in the inside of the first installation slot 6, and a measuring assembly is arranged inside the bottom box 1.

[0027] In this embodiment, the top cover 2 and the bottom box 1 are clamped and installed by the cooperation of the card slot 3 and the card block 4, which has the function of preliminary fixation, and then the mounting mechanism 15 is used to improve the stability of the installation of the top cover 2 and the bottom box 1, and the steering sensor and the steering wheel shaft can be conveniently installed and disassembled by setting the quick release mechanism 7.

[0028] In one embodiment, as shown in Figure 2 and Figure 3As shown, the quick release mechanism 7 includes a spring 71 fixedly installed inside the first mounting groove 6, one end of the spring 71 is fixedly installed with a mounting block 72, and the mounting block 72 is slidingly installed with the first gear 5 through the first mounting groove 6, the surface of the top cover 2 and the bottom box 1 are both provided with a through hole 13, and the vertical center line of the through hole 13 and the vertical center line of the first gear 5 coincide with each other, the steering sensor is sleeved outside the steering wheel shaft through the through hole 13, and when the mounting block 72 contacts the steering wheel shaft, the mounting block 72 moves to the inside of the first mounting groove 6, and the spring 71 is compressed. When the mounting block 72 moves to the groove of the steering wheel shaft, the spring 71 resets to drive the mounting block 72 to insert into the groove, so as to complete the installation of the steering sensor. When disassembling, pull out the steering sensor outward, and the mounting block 72 enters the inside of the first mounting groove 6, and the mounting block 72 and the groove are disengaged, so that the steering sensor is conveniently disassembled.

[0029] In one embodiment, as shown in Figure 2 and Figure 4 As shown, the measuring assembly includes a second gear 8 and a third gear 9, both of which are rotatably installed with the top cover 2, and both of which are meshingly connected with the first gear 5. The inside of the second gear 8 and the third gear 9 is provided with a magnetic block 10, and the lower side of the two magnetic blocks 10 is attached with a Hall chip 11, and the bottom of the two Hall chips 11 is welded with a circuit board 12, and the circuit board 12 is installed inside the bottom box 1. The steering wheel shaft drives the first gear 5 to rotate, the first gear 5 drives the third gear 9 and the second gear 8 to rotate, the third gear 9 and the second gear 8 have different tooth numbers, which causes the two magnetic blocks 10 to rotate at different angles, so that the Hall chip 11 measures different values, and the accurate value of the steering wheel shaft rotation is calculated according to the steering difference.

[0030] In one embodiment, as shown in Figure 1 and Figure 2 As shown, the bottom box 1 is provided with a second mounting groove 14 on both sides of the outside, and the second mounting groove 14 is installed with a mounting mechanism 15, which is convenient for fixing the top cover 2 and the bottom box 1, and the mounting of the top cover 2 and the bottom box 1 does not need to use bolts, which is convenient for installation or disassembly.

[0031] In one embodiment, as shown in Figure 2As shown, the mounting mechanism 15 comprises a rotating rod 151 rotatably mounted inside the second mounting groove 14, one end of the rotating rod 151 is fixedly connected with a screw rod 152, the outside of the screw rod 152 is threadedly connected with a knob 153, one end of the screw rod 152 is fixedly mounted with a limiting plate 154, the outside of the top cover 2 is provided with a limiting groove 16, the screw rod 152 penetrates the top cover 2 through the limiting groove 16, when the top cover 2 and the bottom box 1 are mounted, the rotating rod 151 is rotated, so that the screw rod 152 moves to the inside of the limiting groove 16, at this time, the knob 153 is rotated downward to be attached to the top of the top cover 2, so as to fix the top cover 2 and the bottom box 1, when disassembling, the knob 153 is reversely rotated upward, and then the rotating rod 151 is rotated, at this time, the top cover 2 is conveniently disassembled.

[0032] The above embodiment discloses a steering sensor, wherein each component is mounted inside the bottom box 1, the top cover 2 and the bottom box 1 are conveniently clamped and mounted through the cooperation of the clamping groove 3 and the clamping block 4, and have the function of preliminary fixation, the rotating rod 151 is rotated, so that the screw rod 152 moves to the inside of the limiting groove 16, at this time, the knob 153 is rotated downward to be attached to the top of the top cover 2, so as to fix the top cover 2 and the bottom box 1, the steering sensor is sleeved outside the steering wheel shaft through the through hole 13, when the mounting block 72 contacts the steering wheel shaft, the mounting block 72 moves to the inside of the first mounting groove 6 due to the fact that one end of the mounting block 72 is provided with a chamfer, and the spring 71 is compressed, when the mounting block 72 moves to the recess of the steering wheel shaft, the spring 71 resets to drive the mounting block 72 to be inserted into the recess, so as to complete the installation of the steering sensor, the steering wheel shaft is rotated to drive the first gear 5 to rotate, the first gear 5 drives the third gear 9 and the second gear 8 to rotate, the third gear 9 and the second gear 8 have different tooth numbers, so that the two magnetic blocks 10 rotate at different angles, so that the values measured by the Hall chip 11 are different, and the accurate value of the rotation of the steering wheel shaft is calculated according to the steering difference.

[0033] The above only describes the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A steering sensor, comprising a bottom box (1), a top cover (2) mounted on the top of the bottom box (1), a clamping groove (3) formed in the inner wall of the bottom box (1), a clamping block (4) clamped and mounted in the clamping groove (3), and the clamping block (4) is fixedly connected with the top cover (2); a first gear (5) is rotatably mounted in the bottom box (1), a first mounting groove (6) is formed in the first gear (5), a quick release mechanism (7) is mounted in the first mounting groove (6), and a measuring assembly is arranged in the bottom box (1). characterized in that The quick release mechanism (7) comprises a spring (71) fixedly mounted in the first mounting groove (6), one end of the spring (71) is fixedly provided with a mounting block (72), and the mounting block (72) is slidably mounted with the first gear (5) through the first mounting groove (6).

2. A steering sensor according to claim 1, wherein The measuring assembly comprises a second gear (8) and a third gear (9), the second gear (8) and the third gear (9) are rotatably mounted with the top cover (2), the second gear (8) and the third gear (9) are meshedly connected with the first gear (5), and the second gear (8) and the third gear (9) are internally provided with a magnetic block (10).

3. A steering sensor according to claim 1, wherein Two magnetic blocks (10) are matched with a Hall chip (11) below, two Hall chips (11) are welded and connected with a circuit board (12) at the bottom, and the circuit board (12) is mounted in the bottom box (1).

4. A steering sensor according to claim 3, wherein The surface of the top cover (2) and the bottom box (1) is provided with a through hole (13), and the vertical center line of the through hole (13) and the vertical center line of the first gear (5) coincide with each other.

5. The steering sensor of claim 1, wherein, The outer sides of the bottom box (1) are provided with a second mounting groove (14), and the second mounting groove (14) is internally provided with a mounting mechanism (15).

6. The steering sensor of claim 1, wherein, The mounting mechanism (15) comprises a rotating rod (151), the rotating rod (151) is rotatably mounted in the second mounting groove (14), one end of the rotating rod (151) is fixedly connected with a screw rod (152), the outer side of the screw rod (152) is threadedly connected with a knob (153), and one end of the screw rod (152) is fixedly provided with a limiting plate (154).

7. A steering sensor according to claim 6, wherein, The outer sides of the top cover (2) are provided with a limiting groove (16), and the screw rod (152) penetrates the top cover (2) through the limiting groove (16).

8. A steering sensor according to claim 7, wherein, ​

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