A suspended mileage sensor

Abstract

The invention relates to the technical field of automobile parts, and discloses a suspended mileage sensor, which solves the problem that the rapid development of automobile technology in the current market has eliminated the mechanical input interface, and the original contact speed sensor on the vehicle has been replaced by an inductive speed sensor, but the vehicle speed sensor cannot meet the use requirements of vehicles with navigation functions. The sensor comprises a sensor housing, a signal processing circuit board, a grating code disk, an electrical connector, a rotating shaft, a mounting plate, an encoder and a driving angular contact bearing. The interior of the sensor housing is rotatably connected with the rotating shaft, and the encoder, the grating code disk and the signal processing circuit board are fixedly installed inside the sensor housing. The bottom of the sensor housing is provided with a mounting plate, and the top of the mounting plate is fixedly connected to the bottom of the sensor housing. The invention has the function of realizing navigation vehicle mileage sensing and avoiding the problem that a suspended mileage sensor is detached under high-speed rotation.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile parts, and in particular relates to a suspended mileage sensor. Background Art

[0002] The vehicle speed and mileage sensor is a sensor installed on the vehicle's gearbox to measure the vehicle's speed and mileage. There are mainly several types of vehicle speed and mileage sensors, such as magnetoelectric, reed switch, photoelectric, and Hall types.

[0003] However, with the rapid development of automobile technology in the current market, the mechanical input interface has been cancelled, and the original contact speed sensor on the vehicle has been replaced by an inductive speed sensor. However, the vehicle speed sensor cannot meet the use requirements of vehicles with navigation functions. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a suspended mileage sensor, which effectively solves the problem that the rapid development of automobile technology in the current market has eliminated the mechanical input interface, and the original contact speed sensor on the vehicle has been replaced by an inductive speed sensor, but the vehicle speed sensor cannot meet the use requirements of vehicles with navigation functions.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a suspended mileage sensor, comprising a sensor housing, a signal processing circuit board, a grating code disk, an electrical connector, a rotating shaft, a mounting disk, an encoder and a driven angular contact bearing, wherein the interior of the sensor housing is rotatably connected with the rotating shaft, the interior of the sensor housing is fixedly installed with the encoder, the grating code disk and the signal processing circuit board, the bottom of the sensor housing is provided with a mounting disk, the top of the mounting disk is fixedly connected with the bottom of the sensor housing, the bottom end of the rotating shaft passes through the sensor housing and is plugged with the mounting disk, the bottom end of the rotating shaft is fixedly connected with the driven angular contact bearing, the interior of the sensor housing is fixedly installed with an electrical connector, six connecting sleeves are fixedly installed at the bottom of the mounting disk, every two corresponding connecting sleeves form a group, each of the connecting sleeves is movably plugged with a clamping support rod, the outside of each of the clamping support rods is fixedly sleeved with a limiting support plate, and the outside of each of the clamping support rods is movably sleeved with a limiting spring.

[0006] Preferably, each of the connecting sleeves is threadedly connected to four threaded connecting rods, and each of the connecting sleeves is fixedly connected to the bottom of the mounting plate through the four threaded connecting rods.

[0007] Preferably, each of the connecting sleeves is provided with an extension groove inside, and each of the clamping support rods is plugged into the connecting sleeve through the extension groove.

[0008] Preferably, the width of the limit support plate is greater than the width of the extension groove, and the width of the limit support plate is greater than the diameter of the limit spring.

[0009] Preferably, one end of each of the limit springs is fixedly connected to one side of the connecting sleeve, and the other end of each of the limit springs is fixedly connected to one side of the limit support plate.

[0010] Preferably, three threaded connection grooves are provided inside the mounting plate, and the three threaded connection grooves are evenly distributed inside the mounting plate.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: (1) During operation, the sensor is composed of a signal processing circuit board, a grating code disk, an electrical connector, a rotating shaft, a mounting disk, an encoder and a driving angular contact bearing. The sensor housing is flexibly connected to the vehicle body via an output cable, and the driving angular contact bearing is fixedly connected to the wheel axle via the mounting disk, rotates with the wheel axle, and outputs two pulse square wave signals of the vehicle forward and backward, thereby realizing navigation vehicle mileage sensing; (2) A connecting sleeve is fixedly installed at the bottom of the mounting disk via a threaded connecting rod, thereby realizing active insertion of the clamping support rod, and a limited support plate is fixedly installed on the outside of the clamping support rod, and a limited spring is movably sleeved on the outside of the clamping support rod, so that the clamping support rod has an elastic support effect, so that the clamping support rod can be stably inserted into the vehicle wheel axle, thereby avoiding the problem of a suspended mileage sensor being detached under high-speed rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0013] Figure 1 It is a schematic diagram of the structure of the present invention.

[0014] Figure 2 It is a bottom view structural schematic diagram of the present invention.

[0015] Figure 3 It is a schematic diagram of the enlarged structure of point A of the present invention.

[0016] In the figure: 1. sensor housing; 2. signal processing circuit board; 3. grating code disk; 4. electrical connector; 5. rotating shaft; 6. mounting plate; 7. encoder; 8. driving angular contact bearing; 9. connecting sleeve; 10. threaded connecting rod; 11. clamping support rod; 12. limit spring; 13. limit support plate; 14. extension groove; 15. threaded connection groove. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0018] Embodiment 1, by Figure 1-3 The present invention includes a sensor housing 1, a signal processing circuit board 2, a grating code disk 3, an electrical connector 4, a rotating shaft 5, a mounting disk 6, an encoder 7 and a driven angular contact bearing 8. The interior of the sensor housing 1 is rotatably connected with the rotating shaft 5, and the interior of the sensor housing 1 is fixedly installed with the encoder 7, the grating code disk 3 and the signal processing circuit board 2. The bottom of the sensor housing 1 is provided with a mounting disk 6, and the top of the mounting disk 6 is fixedly connected to the bottom of the sensor housing 1. The bottom end of the rotating shaft 5 passes through the sensor housing 1 and is plugged with the mounting disk 6. The bottom end of the rotating shaft 5 is fixedly connected with a driven angular contact bearing 8. The interior of the sensor housing 1 is fixedly installed with an electrical connector 4, and the bottom of the mounting disk 6 is fixedly installed with six connecting sleeves 9, and every two corresponding connecting sleeves 9 form a group. The interior of each connecting sleeve 9 is movably plugged with a clamping support rod 11, and the exterior of each clamping support rod 11 is fixedly sleeved with a limiting support plate 13, and the exterior of each clamping support rod 11 is movably sleeved with a limiting spring 12.

[0019] Embodiment 2, based on embodiment 1, each connecting sleeve 9 is threadedly connected to four threaded connecting rods 10 inside, and each connecting sleeve 9 is fixedly connected to the bottom of the mounting plate 6 through the four threaded connecting rods 10, so that the connecting sleeve 9 is fixedly connected.

[0020] Embodiment 3, on the basis of embodiment 1, an extension groove 14 is provided inside each connecting sleeve 9, and each clamping support rod 11 is plugged into the connecting sleeve 9 through the extension groove 14, thereby enabling the clamping support rod 11 to be movably plugged.

[0021] Embodiment 4, based on embodiment 1, the width of the limiting support plate 13 is greater than the width of the extension groove 14 , and the width of the limiting support plate 13 is greater than the diameter of the limiting spring 12 , thereby preventing the clamping support rod 11 from detaching from the inside of the connecting sleeve 9 .

[0022] Embodiment 5, on the basis of embodiment 1, one end of each limit spring 12 is fixedly connected to one side of the connecting sleeve 9, and the other end of each limit spring 12 is fixedly connected to one side of the limit support plate 13, so that the clamping support rod 11 has the function of elastic support.

[0023] Embodiment 6, based on embodiment 1, three threaded connection grooves 15 are opened inside the mounting plate 6, and the three threaded connection grooves 15 are evenly distributed inside the mounting plate 6, so that the mounting plate 6 can be fixed on one side of the wheel axle.

[0024] Working principle: When working, the sensor is first composed of a signal processing circuit board 2, a grating code disk 3, an electrical connector 4, a rotating shaft 5, a mounting disk 6, an encoder 7 and a driving angular contact bearing 8. The sensor housing 1 is flexibly connected to the vehicle body via an output cable, and the driving angular contact bearing 8 is fixedly connected to the wheel axle through the mounting disk 6, and rotates with the wheel axle to output two pulse square wave signals of the vehicle forward and backward, thereby realizing navigation vehicle mileage sensing;

[0025] By opening a threaded connection groove 15 inside the mounting plate 6, a screw is connected to the internal thread of the threaded connection groove 15, so that the sensor housing 1 can be fixedly connected, and a connecting sleeve plate 9 is fixedly installed on the bottom of the mounting plate 6 through a threaded connecting rod 10, thereby realizing the movable insertion of the clamping support rod 11, and a limiting support plate 13 is fixedly installed on the outside of the clamping support rod 11, and a limiting spring 12 is movably sleeved on the outside of the clamping support rod 11, so that the clamping support rod 11 has an elastic support effect, so that the clamping support rod 11 can be stably inserted into the vehicle wheel axle, thereby avoiding the problem of a suspended mileage sensor being detached when rotating at high speed.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A suspended mileage sensor, comprising a sensor housing (1), a signal processing circuit board (2), a grating code disk (3), an electrical connector (4), a rotating shaft (5), a mounting disk (6), an encoder (7) and a driving angular contact bearing (8), characterized in that: The sensor housing (1) is rotatably connected to a rotating shaft (5), and an encoder (7), a grating code disk (3) and a signal processing circuit board (2) are fixedly installed inside the sensor housing (1). A mounting plate (6) is provided at the bottom of the sensor housing (1), and the top of the mounting plate (6) is fixedly connected to the bottom of the sensor housing (1). The bottom end of the rotating shaft (5) passes through the sensor housing (1) and is plugged into the mounting plate (6). The bottom end of the rotating shaft (5) is fixedly connected to a driving angular contact bearing (8), and the angular contact bearing (8) is driven by The mounting plate (6) is fixedly connected to the wheel axle. An electric connector (4) is fixedly installed inside the sensor housing (1). Six connecting sleeves (9) are fixedly installed at the bottom of the mounting plate (6). Every two corresponding connecting sleeves (9) form a group. A clamping support rod (11) is movably inserted inside each connecting sleeve (9). The clamping support rod (11) is inserted on the vehicle wheel axle. A limiting support plate (13) is fixedly sleeved on the outside of each clamping support rod (11). A limiting spring (12) is movably sleeved on the outside of each clamping support rod (11).

2. A suspended mileage sensor according to claim 1, characterized in that: Each of the connecting sleeves (9) is internally threadedly connected with four threaded connecting rods (10), and each of the connecting sleeves (9) is fixedly connected to the bottom of the mounting plate (6) via the four threaded connecting rods (10).

3. The suspended mileage sensor according to claim 1, characterized in that: Each of the connecting sleeves (9) is provided with an extension groove (14) inside, and each of the clamping support rods (11) is plugged into the connecting sleeve (9) through the extension groove (14).

4. The suspended mileage sensor according to claim 1, characterized in that: The width of the position-limiting support plate (13) is greater than the width of the extension groove (14), and the width of the position-limiting support plate (13) is greater than the diameter of the position-limiting spring (12).

5. The suspended mileage sensor according to claim 1, characterized in that: One end of each of the limit springs (12) is fixedly connected to one side of the connecting sleeve (9), and the other end of each of the limit springs (12) is fixedly connected to one side of the limit support plate (13).

6. The suspended mileage sensor according to claim 1, characterized in that: Three threaded connection grooves (15) are provided inside the installation plate (6), and the three threaded connection grooves (15) are evenly spaced and distributed inside the installation plate (6).

Images