CN113917177B - Adjustable wheel speed sensor - Google Patents
Adjustable wheel speed sensor Download PDFInfo
- Publication number
- CN113917177B CN113917177B CN202111178599.4A CN202111178599A CN113917177B CN 113917177 B CN113917177 B CN 113917177B CN 202111178599 A CN202111178599 A CN 202111178599A CN 113917177 B CN113917177 B CN 113917177B
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- wheel speed
- speed sensor
- rod
- threaded rod
- head threaded
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
Abstract
The invention discloses an adjustable wheel speed sensor, which comprises a wheel hub and a wheel speed sensor, wherein the wheel speed sensor comprises a wire harness end, a head threaded rod, an installation fixing rod and a sensor body, the head threaded rod is of a hollow structure, internal threads are arranged in the head threaded rod, and the sensor body is fixed at one end of the head threaded rod; one end of the mounting fixing rod is provided with a telescopic groove, an adjusting screw rod is arranged in the telescopic groove, the other end of the head threaded rod is embedded into the telescopic groove and is in threaded connection with the adjusting screw rod, so that the head threaded rod is in telescopic connection with the mounting fixing rod, a through wire harness hole is formed in the adjusting screw rod, and a wire harness end penetrates through the wire harness hole and is connected with the sensor body; the bottom plate of the brake is provided with a connecting hole, and the head threaded rod can be embedded into the connecting hole. The invention can be suitable for different vehicle types, reduces the types of wheel speed sensors, improves the generalization rate, reduces the development cost and reduces the development period.
Description
Technical Field
The invention relates to the technical field of automobile wheel speed sensors, in particular to an adjustable wheel speed sensor.
Background
The locking condition can appear when the car is emergently braked, so the car needs to match anti-lock braking system ABS now to guarantee car safety. The wheel speed sensor is an important component of the ABS, and accurate and reliable wheel speed signals are the precondition for effective control of the ABS. The conventional vehicles are generally equipped with an ABS device, and the wheel speed sensor is also required to provide a wheel speed signal to the ABS.
The head of the wheel speed sensor matched with the current vehicle is fixed, the mold is integrally formed, and each type of wheel speed sensor can only be matched with one vehicle type or one brake and gear ring due to the change of the vehicle type, the gear ring position and the fixed position of the wheel speed sensor, so that the types are multiple and complex. Each sensor relates to the development of a mould, needs longer time and wastes resources such as manpower, material resources and the like.
Therefore, how to provide an adjustable wheel speed sensor which can meet the change of different gear rings of different vehicle types and improve the generalization rate becomes a technical problem which needs to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide an adjustable wheel speed sensor, which meets the change of different gear rings of different vehicle types without redesigning the wheel speed sensor. The wheel speed sensor is applicable to different vehicle types, reduces the types of the wheel speed sensors, improves the generalization rate, reduces the development cost and reduces the development period.
According to one aspect of the invention, an adjustable wheel speed sensor is provided, which comprises a wheel hub and a wheel speed sensor, wherein a gear ring which synchronously rotates is arranged on the outer side of the wheel hub, a brake is also rotationally connected to the outer side of the wheel hub, the wheel speed sensor is arranged on the brake, and the wheel speed sensor corresponds to the gear ring;
the wheel speed sensor comprises a wire harness end, a head threaded rod, an installation fixing rod and a sensor body, wherein the head threaded rod is of a hollow structure, an internal thread is arranged in the head threaded rod, and the sensor body is fixed at one end of the head threaded rod; one end of the mounting fixing rod is provided with a telescopic groove, an adjusting screw rod is arranged in the telescopic groove, the other end of the head threaded rod is embedded into the telescopic groove and is in threaded connection with the adjusting screw rod, so that the head threaded rod is in telescopic connection with the mounting fixing rod, a through wire harness hole is formed in the adjusting screw rod, and the wire harness end penetrates through the wire harness hole and is connected with the sensor body; the bottom plate of the brake is provided with a connecting hole, and the head threaded rod can be embedded into the connecting hole, so that the sensor body corresponds to the gear ring.
Optionally, according to the adjustable wheel speed sensor of the present invention, a clamping nut is disposed at an end of the harness end, the clamping nut is in threaded connection with the mounting fixing rod, and a screwing direction of the clamping nut and the mounting fixing rod is opposite to a screwing direction of the adjusting screw and the head threaded rod.
Optionally, according to the adjustable wheel speed sensor of the present invention, a connecting plate is further disposed on a side wall of the mounting fixing rod, a through hole is disposed on the connecting plate, a threaded hole corresponding to the through hole is disposed on a bottom plate of the brake, and the connecting plate and the bottom plate of the brake are connected by a bolt.
Optionally, according to the adjustable wheel speed sensor of the present invention, a gasket is further disposed between the nut of the bolt and the through hole, and the gasket is sleeved on the screw of the bolt.
Optionally, according to the adjustable wheel speed sensor of the present invention, an elastic pressing piece is further disposed between the gasket and the nut of the bolt, and the elastic pressing piece is sleeved on the screw of the bolt.
Optionally, according to the adjustable wheel speed sensor of the present invention, a gap between the sensor body and the ring gear is 0.3mm-1.2 mm.
Optionally, according to the adjustable wheel speed sensor provided by the invention, a positioning ball is further arranged on the outer side wall of the head threaded rod, a positioning groove is arranged on the inner side wall of the connecting hole, and the positioning ball is matched with the positioning groove.
Optionally, according to the adjustable wheel speed sensor of the present invention, the outer side wall of the mounting fixing rod is further provided with a plurality of raised limiting ribs, and the inner side wall of the connecting hole is provided with limiting grooves matched with the limiting ribs.
The adjustable wheel speed sensor disclosed by the invention can meet the change of different gear rings of different vehicle types without redesigning the wheel speed sensor. The wheel speed sensor is applicable to different vehicle types, reduces the types of the wheel speed sensors, improves the generalization rate, reduces the development cost and reduces the development period. The length of the head threaded rod extending out of the mounting fixing rod is changed through the threaded connection relation between the mounting fixing rod and the head threaded rod, and the connection relation between the upper sensor body and the head threaded rod is combined to be a fixed characteristic, so that the extending length of the sensor body is effectively adjusted, and therefore the change of different gear rings of different vehicle types is convenient to use.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a perspective view of an adjustable wheel speed sensor and a wheel hub assembly according to the present disclosure;
FIG. 2 is an assembled cross-sectional view of an adjustable wheel speed sensor and a wheel hub in accordance with the present disclosure;
FIG. 3 is a schematic diagram of a longest-extending structure of an adjustable wheel speed sensor according to the present disclosure;
fig. 4 is a schematic view of the shortest contraction structure of the adjustable wheel speed sensor disclosed in the present invention.
Description of reference numerals: 1-wheel speed sensor; 11-installing a fixed rod; 12-head threaded rod; 13-a sensor body; 14-a harness end; 15-tightening the nut; 16-a connecting plate; 17-a limiting rib; 2-a hub; 3-gear ring; 4-a brake; 5-bolt; 6-a gasket; 7-elastic tabletting; 8-positioning the ball.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
According to fig. 1 to 4, the invention provides an adjustable wheel speed sensor, which comprises a wheel hub 2 and a wheel speed sensor 1, wherein a synchronous rotating gear ring 3 is arranged on the outer side of the wheel hub 2, a brake 4 is also rotationally connected to the outer side of the wheel hub 2, the wheel speed sensor 1 is arranged on the brake 4, and the wheel speed sensor 1 corresponds to the gear ring 3.
The wheel speed sensor 1 comprises a wire harness end 14, a head threaded rod 12, a mounting fixing rod 11 and a sensor body 13, wherein the head threaded rod 12 is of a hollow structure, internal threads are arranged in the head threaded rod 12, and the sensor body 13 is fixed at one end of the head threaded rod 12; one end of the mounting fixing rod 11 is provided with a telescopic groove, an adjusting screw rod is arranged in the telescopic groove, the other end of the head threaded rod 12 is embedded into the telescopic groove and is in threaded connection with the adjusting screw rod, so that the head threaded rod 12 is in telescopic connection with the mounting fixing rod 11, a through wiring harness hole is formed in the adjusting screw rod, and a wiring harness end 14 penetrates through the wiring harness hole and is connected with the sensor body 13; a connecting hole is formed in the bottom plate of the stopper 4, and the head threaded rod 12 can be inserted into the connecting hole, so that the sensor body 13 corresponds to the ring gear 3.
In practice, the present invention can satisfy the change of different ring gears 3 of different vehicle types without redesigning the wheel speed sensor 1. This wheel speed sensor 1 is applicable in the motorcycle type of difference, reduces 1 kinds of wheel speed sensor, improves the universalization rate, and reduces development cost, reduces the development cycle. The length of the head threaded rod 12 extending out of the mounting fixing rod 11 is changed through the threaded connection relationship between the mounting fixing rod 11 and the head threaded rod 12, and the connection relationship between the upper sensor body 13 and the head threaded rod 12 is a fixed characteristic, so that the extending length of the sensor body 13 is effectively adjusted, the use of different types of gear rings 3 is facilitated, in addition, the mounting fixing rod 11 can be fixed through the fastening nut 15 and the connecting plate 16, and the change of the distance between the sensor body 13 and the gear ring 3 caused by the rotation of the mounting fixing rod 11 in the use process of the invention is prevented.
Further, the end of the harness end 14 is provided with a clamping nut 15, the clamping nut 15 is in threaded connection with the mounting and fixing rod 11, and the clamping nut 15 and the mounting and fixing rod 11 are screwed in the direction opposite to the screwing direction of the adjusting screw and the head threaded rod 12. When the head screw rod 12 is inserted into the connecting hole, the gap between the ring gear 3 and the sensor body 13 should be adjusted to a proper position, and at this time, the mounting fixing rod 11 needs to be fixed to limit the rotation thereof, and the nut 15 is tightened to effectively limit the rotation of the mounting fixing rod 11.
Still further, a connecting plate 16 is further arranged on the side wall of the fixing rod 11, a through hole is arranged on the connecting plate 16, a threaded hole corresponding to the through hole is arranged on the bottom plate of the brake 4, and the connecting plate 16 is connected with the bottom plate of the brake 4 through a bolt 5. The connection plate 16 may serve two functions: to make a better connection of the invention to the bottom plate of the brake 4; and secondly, the nut 15 is combined and tightened to better limit the rotation of the installation fixing rod 11.
Further, a gasket 6 is arranged between the nut of the bolt 5 and the through hole, and the gasket 6 is sleeved on the screw rod of the bolt 5. The bottom plate of the brake 4 is prevented from being scratched by the bolt 5.
Still further, an elastic pressing sheet 7 is arranged between the gasket 6 and a nut of the bolt 5, and the elastic pressing sheet 7 is sleeved on a screw rod of the bolt 5. The connection relationship between the bolt 5 and the bottom plate of the brake 4 is more stable through the elastic pressing sheet 7, and the self-locking effect of threaded connection is mainly utilized.
Further, the gap between the sensor body 13 and the ring gear 3 is 0.3mm to 1.2 mm. The clearance L between the head of the wheel speed sensor 1 and the gear ring 3 is generally required to be within the range of 0.3mm-1.2mm, so that the clearance requirement of the wheel speed sensor 1 during normal operation can be met. The position of the ring gear 3 is generally fixed, and thus the requirement for the length accuracy of the wheel speed sensor 1 is high. The head threaded rod 12 is provided with a thread with adjustable length of about 30 +/-5 mm, and the extension length of the head threaded rod 12 can be adjusted through the length of the thread with the installation fixing rod 11; so as to meet the requirement of the clearance between the sensor body 13 and the gear ring 3; meanwhile, the connecting plate 16 for installing the fixing rod 11 can rotate to adapt to the change of different threaded hole positions on the brake 4 or a special section, and the fixing rod 11 can be tightly installed by combining and tightening the nut 15 after the rotation, so that the size change of the wheel speed sensor 1 is avoided.
Furthermore, the outer side wall of the head threaded rod 12 is also provided with a positioning ball 8, the inner side wall of the connecting hole is provided with a positioning groove, and the positioning ball 8 is matched with the positioning groove. As shown in fig. 2, when the fixing rod 11 is restricted from rotating, the head screw 12 should also be restricted, and the position of the head screw 12 can be restricted by the positioning ball 8 and the positioning groove, so as to prevent the vehicle from shaking during driving, which may change the position of the head screw 12.
Further, still be equipped with many bellied spacing muscle 17 on the lateral wall of installation dead lever 11, be equipped with on the inside wall of connecting hole with spacing muscle 17 assorted spacing groove, spacing muscle 17 and spacing groove can restrict the rotation of installation dead lever 11 further.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (8)
1. An adjustable wheel speed sensor is characterized by comprising a wheel hub and a wheel speed sensor, wherein a gear ring which synchronously rotates is arranged on the outer side of the wheel hub, a brake is also rotationally connected to the outer side of the wheel hub, the wheel speed sensor is arranged on the brake, and the wheel speed sensor corresponds to the gear ring;
the wheel speed sensor comprises a wire harness end, a head threaded rod, an installation fixing rod and a sensor body, wherein the head threaded rod is of a hollow structure, an internal thread is arranged in the head threaded rod, and the sensor body is fixed at one end of the head threaded rod; one end of the mounting fixing rod is provided with a telescopic groove, an adjusting screw rod is arranged in the telescopic groove, the other end of the head threaded rod is embedded into the telescopic groove and is in threaded connection with the adjusting screw rod, so that the head threaded rod is in telescopic connection with the mounting fixing rod, a through wire harness hole is formed in the adjusting screw rod, and the wire harness end penetrates through the wire harness hole and is connected with the sensor body; the bottom plate of the brake is provided with a connecting hole, and the head threaded rod can be embedded into the connecting hole, so that the sensor body corresponds to the gear ring.
2. The adjustable wheel speed sensor of claim 1, wherein a jam nut is provided at an end of the harness end, the jam nut is threadedly coupled to the mounting rod, and the jam nut and the mounting rod are tightened in a direction opposite to the adjusting screw and the head screw.
3. The adjustable wheel speed sensor as claimed in claim 1, wherein a connecting plate is further provided on a sidewall of the mounting fixing rod, the connecting plate is provided with a through hole, a bottom plate of the brake is provided with a threaded hole corresponding to the through hole, and the connecting plate is connected to the bottom plate of the brake by a bolt.
4. The adjustable wheel speed sensor of claim 3, wherein a gasket is further disposed between the nut of the bolt and the through hole, and the gasket is sleeved on the screw of the bolt.
5. The adjustable wheel speed sensor of claim 4, wherein an elastic pressing piece is further disposed between the gasket and a nut of the bolt, and the elastic pressing piece is sleeved on a screw of the bolt.
6. The adjustable wheel speed sensor of claim 1, wherein a clearance between the sensor body and the ring gear is 0.3mm-1.2 mm.
7. The adjustable wheel speed sensor of claim 1, wherein a positioning ball is further disposed on an outer sidewall of the head threaded rod, a positioning groove is disposed on an inner sidewall of the connecting hole, and the positioning ball is engaged with the positioning groove.
8. The adjustable wheel speed sensor as claimed in claim 1, wherein a plurality of raised limiting ribs are further provided on an outer sidewall of the mounting fixing rod, and a limiting groove matched with the limiting ribs is provided on an inner sidewall of the connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111178599.4A CN113917177B (en) | 2021-10-10 | 2021-10-10 | Adjustable wheel speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111178599.4A CN113917177B (en) | 2021-10-10 | 2021-10-10 | Adjustable wheel speed sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113917177A CN113917177A (en) | 2022-01-11 |
| CN113917177B true CN113917177B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111178599.4A Active CN113917177B (en) | 2021-10-10 | 2021-10-10 | Adjustable wheel speed sensor |
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Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509927B (en) * | 2009-02-17 | 2011-09-07 | 上海万捷汽车控制***有限公司 | Automobile wheel speed sensor stent |
| US8570191B2 (en) * | 2009-12-18 | 2013-10-29 | Goodrich Corporation | Systems and methods for comprehensive tire pressure monitoring and wheel speed detection |
| CN102230942B (en) * | 2011-03-30 | 2012-08-15 | 上海耐思科技有限公司 | General fast-mounting wheel speed sensor and mounting method thereof |
| DE102012012384A1 (en) * | 2012-06-21 | 2013-12-24 | Wabco Gmbh | Sensor device for measuring the speed of a wheel of a vehicle, brake system and vehicle with it and thus feasible measuring method for speed measurement and braking |
| CN204422562U (en) * | 2014-11-26 | 2015-06-24 | 华晨汽车集团控股有限公司 | New A BS wheel speed sensors |
| CN207007867U (en) * | 2017-07-10 | 2018-02-13 | 安徽江淮汽车集团股份有限公司 | Wheel speed sensors |
| CN207248908U (en) * | 2017-07-21 | 2018-04-17 | 乐清市中裕汽车配件有限公司 | It is a kind of to move back ABS wheel speed sensors certainly |
| CN208888267U (en) * | 2018-10-30 | 2019-05-21 | 北京汽车研究总院有限公司 | Vehicle wheel speed sensor and vehicle with it |
| CN209707531U (en) * | 2018-11-26 | 2019-11-29 | 重庆菲斯塔新能源汽车科技有限公司 | Wheel speed sensors and automobile |
| CN210243676U (en) * | 2019-04-01 | 2020-04-03 | 南京汽车集团有限公司 | Light truck wheel speed sensor assembly |
| CN210284193U (en) * | 2019-08-26 | 2020-04-10 | 江西昌河汽车有限责任公司 | Novel ABS wheel speed sensor mounting structure |
| CN112285373A (en) * | 2020-10-20 | 2021-01-29 | 陈静群 | Automobile ABS magnetoelectric wheel speed sensor |
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2021
- 2021-10-10 CN CN202111178599.4A patent/CN113917177B/en active Active
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| CN113917177A (en) | 2022-01-11 |
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