Novel wheel speed sensor device

Abstract

The utility model discloses a novel wheel speed sensor device which comprises a sensing end, the side face of the sensing end is fixedly connected with a bushing, the side face of the sensing end is fixedly connected with a sensing frame, an installation groove is formed in the sensing frame, a chip is arranged in the installation groove, an installation cavity is formed in the sensing frame, and a gasket is arranged in the installation cavity. The side face of the sensing end is fixedly connected with one end of a corrugated pipe, a wire harness is sleeved with the corrugated pipe, and a sheath is arranged on the outer side of the wire harness. The wiring harness is protected through the corrugated pipe and the sheath, the movement of the wiring harness is limited by matching with manual binding of the binding belt, the wiring harness is prevented from being rubbed and abraded, the stability of electric signal transmission is ensured, the overall use cost and the part replacement cost are reduced by utilizing the combined connection mode of the sensing end, the sensing frame, the plugging end and the plug, and the use safety is improved. The assembling mode is simple and fast, and replaceability and replacement difficulty of product parts are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel speed sensors, in particular to a novel wheel speed sensor device. Background Art

[0002] Wheel speed sensors are key components used to detect wheel speed in automobiles. They are crucial to the anti-lock braking system (ABS) and electronic stability control system (ESC) of automobiles, ensuring that these two safety systems can operate normally and maintain the safety of vehicle driving. With the development of the automobile industry, higher requirements are placed on wheel speed sensors.

[0003] The main structure of the traditional wheel speed sensor is a straight head (linear) structure, and the manufacturing and processing are complicated, which requires the wheel speed sensor, wheel acceleration sensor and solenoid valve sensor to be wired and arranged separately, which easily leads to interference and wear between the wiring harness and surrounding components, affecting the stable output and detection accuracy of the electrical signal. In addition, the process adopts an integrated molding method, which directly leads to high manufacturing costs, low product assembly interchangeability, and reduced efficiency of the manufacturing process. Utility Model Content

[0004] The purpose of the utility model is to provide a novel wheel speed sensor device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a new wheel speed sensor device comprises a sensing end, a side surface of the sensing end is fixedly connected to a bushing, a side surface of the sensing end is fixedly connected to a sensing frame, a mounting groove is provided inside the sensing frame, a chip is arranged inside the mounting groove, a mounting cavity is provided inside the sensing frame, a gasket is arranged inside the mounting cavity, a side surface of the sensing end is fixedly connected to one end of a corrugated tube, a wiring harness is sleeved inside the corrugated tube, a sheath is provided on the outside of the wiring harness, the outside of the sheath is fixedly connected to a fixing member, a cable tie is provided on the outside of the wiring harness, the bottom of the cable tie is fixedly connected to a buckle, one end of the wiring harness is fixedly connected to a plug-in end, the inside of the plug-in end is fixedly connected to a positive terminal, the inside of the plug-in end is fixedly connected to a negative terminal, a plug is provided inside the plug-in end, the outside of the plug is fixedly connected to two symmetrical positioning members, and one end of the plug is fixedly connected to a connecting member.

[0006] Preferably, the sensor frame is located inside the sensor terminal, structural holes are provided on both sides of the sensor frame, and the sensor frame is electrically connected to one end of the wiring harness.

[0007] Preferably, the interior of the mounting groove is movably engaged with the chip, the gasket is located above the chip, and the chip and the mounting cavity are separated by a magnetic steel sheet.

[0008] Preferably, the buckle is a spiral buckle, and the outer side of the buckle is fixedly connected to the waterproof circular plate.

[0009] Preferably, one side of the plug-in terminal is electrically connected to one end of the wiring harness, a socket is provided at one end of the plug-in terminal, and the plug-in terminal is movably connected to the outside of the plug through the socket.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model protects the wiring harness by arranging a bellows and a sheath, and limits the movement of the wiring harness by manually tightening it with a cable tie, thereby avoiding friction and wear of the wiring harness and ensuring the stability of electrical signal transmission. The utility model utilizes a combined connection method of a sensor terminal, a sensor frame, a plug-in terminal and a plug to avoid interference between wiring harnesses, so that the wiring harness is placed flat and orderly, and the service life is extended. Compared with the integrated molding of traditional wheel speed sensors, the overall use and parts replacement costs can be reduced to a limited extent. The assembly method is simple and quick, and the replaceability and replacement difficulty of product parts are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a partial structural schematic diagram of the utility model;

[0014] Figure 3 This is a perspective view of the sensor terminal structure of the utility model;

[0015] Figure 4 This is a schematic diagram of the chip connection structure of the utility model;

[0016] Figure 5 This is a schematic diagram of the sensor frame structure of the utility model;

[0017] Figure 6 This is a schematic diagram of the buckle structure of the utility model;

[0018] Figure 7 This is a schematic diagram of the plug-in terminal structure of the utility model;

[0019] Figure 8 This is a schematic diagram of the plug structure of the utility model.

[0020] In the figure: 1. sensor terminal; 2. bushing; 3. sensor frame; 31. mounting groove; 32. chip; 33. mounting cavity; 34. gasket; 4. bellows; 5. wiring harness; 6. sheath; 7. fixing; 8. cable tie; 9. buckle; 10. plug terminal; 11. positive terminal; 12. negative terminal; 13. plug; 14. positioning piece; 15. connecting piece. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-8 The utility model provides a technical solution: a new wheel speed sensor device, including a sensor end 1, a side of the sensor end 1 is welded and fixed to a bushing 2, a side of the sensor end 1 is welded and fixed to a sensor frame 3, a mounting groove 31 is provided inside the sensor frame 3, a chip 32 is movably connected inside the mounting groove 31, a mounting cavity 33 is provided inside the sensor frame 3, a gasket 34 is movably connected inside the mounting cavity 33, a side of the sensor end 1 is welded and fixed to one end of a bellows 4, the material of the bellows 4 is PA66, and the bellows 4 is sleeved inside A wiring harness 5 is provided, a sheath 6 is sleeved on the outside of the wiring harness 5, the outside of the sheath 6 is welded and fixed to a fixing piece 7, a cable tie 8 is bundled on the outside of the wiring harness 5, the bottom of the cable tie 8 is welded and fixed to a buckle 9, one end of the wiring harness 5 is welded and fixed to a plug-in terminal 10, the inside of the plug-in terminal 10 is welded and fixed to a positive terminal 11, the inside of the plug-in terminal 10 is welded and fixed to a negative terminal 12, the inside of the plug-in terminal 10 is movably connected to a plug 13, the outside of the plug 13 is welded and fixed to two symmetrical positioning pieces 14, and one end of the plug 13 is welded and fixed to a connecting piece 15.

[0023] The sensor frame 3 is located inside the sensor terminal 1, and structural holes are provided on both sides of the sensor frame 3. The sensor frame 3 is electrically connected to one end of the wiring harness 5. The inside of the mounting groove 31 is movably connected to the chip 32, and the gasket 34 is located above the chip 32. The chip 32 and the mounting cavity 33 are separated by a magnetic steel sheet. The chip 32 and the gasket 34 are electrically connected through a pair of pins to ensure the permeability of the conductivity; a magnetic steel is placed in the mounting groove 31, which is separated from the chip 32 by the magnetic steel, and the gasket 34 is combined with the filling layer on the chip 32. The overall structure of the gasket 34 is I-shaped. Through the structural holes on the outside of the sensor frame 3, the sensor frame 3 is fixed in space during injection molding to avoid displacement of its internal position due to the high-temperature fluid material;

[0024] The material of the sheath 6 is EPDM, and a circular through hole for the wire harness 5 to pass through is provided inside the sheath 6. The sheath 6 is installed inside the structural hole to cooperate with the fixing part 7 to limit the transition of the wire harness 5;

[0025] The buckle 9 is spiral-shaped, and the outer side of the buckle 9 is fixedly connected to the waterproof circular plate. One side of the plug-in terminal 10 is electrically connected to one end of the wiring harness 5, and a socket is provided at one end of the plug-in terminal 10. The plug-in terminal 10 is movably connected to the outer side of the plug 13 through the socket. The surrounding side of the positioning member 14 is provided with ribs, which play a dust-proof role, and can have a certain wrapping effect on the forming of the plug-in body during injection molding. The plug 13 and the positioning member 14 are integrally injection molded; the difficulty of production is reduced and the efficiency of production is improved;

[0026] In actual use, the corresponding cable ties 8 and buckles 9 can be replaced according to different panels or hole positions. The cable ties 8 and buckles 9 can effectively reduce the difficulty of installation and limit the wiring harness 5, thereby enhancing the actual use effect.

[0027] Working principle: During installation, the staff fixes the fixing part 7 at the target position by bolts, and then puts the bellows 4 and the sheath 6 on the outside of the wiring harness 5 to protect the wiring harness 5, and uses the cable tie 8 to limit the wiring harness 5, and uses the buckle 9 to fix the wiring harness 5 and the cable tie 8, so as to limit the wiring harness 5 and avoid the wiring harness 5 from being interfered with and friction that causes unstable electrical signal transmission. The chip 32 can be fixed in the installation groove 31 by the gasket 34 and the installation cavity 33, so as to enhance the stability of the chip 32 and ensure long-term use. At the same time, the stability of the signal transmission is guaranteed. Then, the plug 13 is inserted into the plug terminal 10 and the positive terminal 11 and the negative terminal 12 are connected respectively. At this time, the installation is completed. The operation is convenient and fast, and no complicated installation tools are required. At the same time, the whole is divided into three parts: the sensor frame 3, the sheath 6 and the plug terminal 10, which are connected to each other, so as to achieve the effect of easy replacement and installation and reduce the cost of the overall device.

[0028] 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.

[0029] 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 novel wheel speed sensor device, comprising a sensing end (1), characterized in that: The side of the sensing end (1) is fixedly connected to the bushing (2), the side of the sensing end (1) is fixedly connected to the sensing frame (3), a mounting groove (31) is provided inside the sensing frame (3), a chip (32) is provided inside the mounting groove (31), a mounting cavity (33) is provided inside the sensing frame (3), a gasket (34) is provided inside the mounting cavity (33), the side of the sensing end (1) is fixedly connected to one end of the corrugated tube (4), a wiring harness (5) is provided inside the corrugated tube (4), a sheath (6) is provided outside the wiring harness (5), and the outer surface of the sheath (6) is provided with a plurality of The side of the wiring harness (5) is fixedly connected to the fixing member (7), a cable tie (8) is provided on the outside of the wiring harness (5), the bottom of the cable tie (8) is fixedly connected to the buckle (9), one end of the wiring harness (5) is fixedly connected to the plug terminal (10), the inside of the plug terminal (10) is fixedly connected to the positive terminal (11), the inside of the plug terminal (10) is fixedly connected to the negative terminal (12), a plug (13) is provided inside the plug terminal (10), the outside of the plug (13) is fixedly connected to two symmetrical positioning members (14), and one end of the plug (13) is fixedly connected to the connecting member (15).

2. A novel wheel speed sensor device according to claim 1, characterized in that: The sensor frame (3) is located inside the sensor terminal (1), structural holes are provided on both sides of the sensor frame (3), and the sensor frame (3) is electrically connected to one end of the wiring harness (5).

3. The novel wheel speed sensor device according to claim 1, characterized in that: The interior of the mounting groove (31) is movably engaged with the chip (32), the gasket (34) is located above the chip (32), and the chip (32) and the mounting cavity (33) are separated by a magnetic steel sheet.

4. The novel wheel speed sensor device according to claim 1, characterized in that: The buckle (9) is a spiral buckle, and the outer side of the buckle (9) is fixedly connected to the waterproof circular plate.

5. The novel wheel speed sensor device according to claim 1, characterized in that: One side of the plug-in terminal (10) is electrically connected to one end of the wiring harness (5), and a socket is provided at one end of the plug-in terminal (10). The plug-in terminal (10) is movably connected to the outer side of the plug (13) through the socket.

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