CN204027579U - Kilometer sensor - Google Patents
Kilometer sensor Download PDFInfo
- Publication number
- CN204027579U CN204027579U CN201420366942.7U CN201420366942U CN204027579U CN 204027579 U CN204027579 U CN 204027579U CN 201420366942 U CN201420366942 U CN 201420366942U CN 204027579 U CN204027579 U CN 204027579U
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- rotating shaft
- housing
- kilometer sensor
- shell
- sensor according
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Abstract
The utility model provides a kind of kilometer sensor, comprising: housing (10), has rotating shaft perforating; Rotating shaft (20), has and protrudes from the interface linkage section of housing (10) and be positioned at the inner construction section of this housing (10); Electronic component, is positioned at the inside of housing (10); Axis adjustment structure, is positioned between the inwall and construction section of housing (10), and rotating shaft (20) is arranged on housing (10) can change the mode of the axis direction of this rotating shaft (20) by axis adjustment structure.Kilometer sensor of the present utility model can be avoided rotating shaft fracture.
Description
Technical field
The utility model relates to sensor technical field, in particular to a kind of kilometer sensor.
Background technology
At present, kilometer sensor is a kind of conventional automobile components and parts, kilometer sensor mainly comprises housing, rotating shaft and circuit board, rotating shaft is for docking with wheel box mileometer interface, and rotate with the normal operation of wheel box, by the rotation of rotating shaft, circuit board is converted into the rotation of rotating shaft electric signal and transfers out.Because of technological problems, rotating shaft likely causes minor deviations while connecting with wheel box mileometer interface, that is to say, the axis of wheel box mileometer interface and the axis of rotating shaft be not on same straight line, kilometer sensor does not affect use at the use initial stage, but, in the use procedure in later stage, because long-term out-of-alignment work causes rotating shaft fatigue loss, rupture, and then cause kilometer sensor to use.
In addition, steam, oil gas and dust easily enter the electronic component on enclosure interior open circuit potential plate through the gap between rotating shaft and housing, so that damage kilometer sensor.For the ease of circuit board is arranged on to enclosure interior, housing comprises shell and cover plate, shell has an open end, and cover plate, for this open end of shutoff, is made because shell adopts aluminium, and that cover plate is adopted is made of plastic, therefore, the sealing of different materials when connecting is poor, and the materials such as steam easily enter enclosure interior through the link position of cover plate and shell, cause equally the electronic component on open circuit potential plate, so that damage the situation of kilometer sensor.
Utility model content
The utility model aims to provide a kind of kilometer sensor of avoiding rotating shaft fracture.
To achieve these goals, the utility model provides a kind of kilometer sensor, comprising: housing, has rotating shaft perforating; Rotating shaft, has the interface linkage section that protrudes from housing and the construction section that is positioned at this enclosure interior; Electronic component, is positioned at the inside of housing; Axis adjustment structure, between the inwall and construction section of housing, rotating shaft is arranged on housing can change the mode of the axis direction of this rotating shaft by axis adjustment structure.
Further, kilometer sensor also comprises: dividing plate, is arranged on the inside of housing and between rotating shaft and electronic component, has inductive head perforating on dividing plate.
Further, housing comprises: shell, has open end and rotating shaft wears end; Cover plate, is connected with shell and shutoff open end, and shell and cover plate are manufactured from the same material.
Further, on the outer peripheral face of interface linkage section, be provided with assembling groove.
Further, the inwall of dividing plate and housing is fixed together by the mode of interference fit.
Further, dividing plate has the groove cavity extending towards rotating shaft, and the opening of groove cavity is towards the direction that deviates from rotating shaft, rotating shaft axially on, groove cavity departs from rotating shaft, inductive head perforating is arranged on the cell wall of groove cavity.
Further, shell adopts wave-soldering to be connected with cover plate.
Further, on cover plate, be provided with wire perforating.
Further, axis adjustment structure is radial displacement gap, and radial displacement gap is between the inwall and construction section of housing.
Further, axis adjustment structure is radial displacement gap, and housing comprises: shell, has rotating shaft and wear end; Inner casing, is arranged on the inside of shell and is set on construction section, has radial displacement gap between the inwall of inner casing and construction section.
Application the technical solution of the utility model, because axis adjustment structure is between the inwall and construction section of housing, and rotating shaft is arranged on housing can change the mode of the axis direction of this rotating shaft by axis adjustment structure, therefore, when the axis of rotating shaft and the axis of wheel box mileometer interface be not during at same straight line, rotating shaft is under the radial force effect of wheel box mileometer interface, the axis direction of self be can change to keep this rotating shaft and wheel box mileometer interface coaxially to arrange, rotating shaft and wheel box mileometer interface disalignment avoided and the fracture that causes.As the above analysis, kilometer sensor of the present utility model can be avoided rotating shaft fracture.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows according to the side-looking of the embodiment of kilometer sensor of the present utility model and partial schematic sectional view;
The kilometer sensor that Fig. 2 shows Fig. 1 A-A to sectional view;
The master that Fig. 3 shows the dividing plate in the kilometer sensor of Fig. 1 looks schematic diagram.
Wherein, the Reference numeral in above-mentioned figure is as follows:
10, housing; 11, shell; 12, cover plate; 13, inner casing; 14, radial displacement gap; 20, rotating shaft; 21, assembling groove; 30, dividing plate; 31, groove cavity; 32, cell wall.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 1, the kilometer sensor of the present embodiment comprises housing 10, rotating shaft 20, electronic component (not shown) and axis adjustment structure.Housing 10 has rotating shaft perforating, and rotating shaft 20 can pass housing 10 through rotating shaft perforating.Rotating shaft 20 has the interface linkage section that protrudes from housing 10 and the construction section that is positioned at these housing 10 inside, and interface linkage section is for docking with wheel box mileometer interface, and construction section is for being rotatably installed on the inside of housing 10.Electronic component is positioned at the inside of housing 10, and electronic component is positioned on circuit board, for magnetic field variation signal is transformed into electric signal.Axis adjustment structure is between the inwall and construction section of housing 10, and rotating shaft 20 is arranged on housing 10 can change the mode of the axis direction of this rotating shaft 20 by axis adjustment structure.In addition, on the end of construction section, be provided with magnet ring, electronic component is electrically connected with the inductive head coordinating with magnet ring, and inductive head is preferably Hall pipe, drives magnet ring to rotate, the magnetic field that magnet ring and inductive head change by rotating shaft 20.
The kilometer sensor of application the present embodiment, because axis adjustment structure is between the inwall and construction section of housing 10, and rotating shaft 20 is arranged on housing 10 can change the mode of the axis direction of this rotating shaft 20 by axis adjustment structure, therefore, when the axis of rotating shaft 20 and the axis of wheel box mileometer interface be not during at same straight line, rotating shaft 20 is under the radial force effect of wheel box mileometer interface, can change the axis direction of self to keep this rotating shaft 20 coaxially to arrange with wheel box mileometer interface, the fracture of avoiding rotating shaft 20 to cause with wheel box mileometer interface disalignment.As the above analysis, the kilometer sensor of the present embodiment can be avoided rotating shaft fracture.
As shown in Figure 3, the kilometer sensor of the present embodiment also comprises dividing plate 30, and dividing plate 30 is arranged on the inside of housing 10 and between rotating shaft 20 and electronic component, has inductive head perforating on dividing plate 30.Dividing plate 30 can stop to come steam, oil gas and the dust of the axis of rotation 20 1 sides, avoids the electronic component on above-mentioned substance open circuit potential plate.In addition,, owing to thering is inductive head perforating on dividing plate 30, therefore, inductive head can be passed to dividing plate 30 and coordinates with magnet ring.
As shown in Figure 1, in the present embodiment, housing 10 comprises shell 11 and cover plate 12 (only showing a part for cover plate 12 in Fig. 1).Shell 11 has open end and rotating shaft wears end (not shown), and cover plate 12 is connected with shell 11 and shutoff open end, and shell 11 is manufactured from the same material with cover plate 12, for example, by engineering plastics, make.The interface linkage section of rotating shaft 20 wears end through rotating shaft and passes.Housing 10 is divided into shell 11 and cover plate 12, can facilitates the installation of circuit board and dividing plate 30.The sealing of same material when connecting is higher, can effectively avoid steam, oil gas and dust through shell 11 and the link position of cover plate 12, to enter the inside of housing 10, avoids the electronic component on above-mentioned substance open circuit potential plate.Preferably, circuit board is arranged on cover plate 12.
As shown in Figure 1, in the present embodiment, on the outer peripheral face of interface linkage section, be provided with assembling groove 21.Assembling groove 21 facilitates rotating shaft 20 to drive and coordinate with wheel box.
In the present embodiment, the inwall of dividing plate 30 and housing 10 is fixed together by the mode of interference fit.Aforesaid way, without extra syndeton is set, has reduced manufacturing cost.Preferably, be provided with the limiting section of backstop dividing plate 30 on the inwall of housing 10, limiting section plays position-limiting action to dividing plate 30, avoids dividing plate 30 to support in rotating shaft 20, so that affects rotating shaft 20 rotations.
As shown in Figure 3, in the present embodiment, dividing plate 30 has the groove cavity 31 extending towards rotating shaft 20, the opening of groove cavity 31 is towards the direction that deviates from rotating shaft 20, rotating shaft 20 axially on, groove cavity 31 departs from rotating shaft 20, inductive head perforating is arranged on the cell wall 32 of groove cavity 31.Adopt said structure, the side of the corresponding magnet ring of inductive head perforating, therefore, is arranged on the side of the same corresponding magnet ring of inductive head in inductive head perforating, and now, inductive head matches with the side of magnet ring, is convenient to the magnetic field of formation and modification.Preferably, the opening direction of groove cavity 31 is axially identical with rotating shaft 20, that is to say, the opening of groove cavity 31, towards cover plate 12, facilitates inductive head to be electrically connected to electronic component.
In the present embodiment, shell 11 adopts wave-soldering to be connected with cover plate 12.Adopt wave-soldering to connect and make shell 11 and the better tightness of cover plate 12 at link position.
In the present embodiment, on cover plate 12, be provided with wire perforating.The wire for being connected with external equipment of circuit board can and be connected with external equipment through wire perforating.In addition, wire perforating also can arrange on shell 11.
As shown in Figure 2, in the present embodiment, axis adjustment structure is the inwall of housing 10 and the radial displacement gap 14 between construction section.Owing to thering is radial displacement gap 14 between the inwall of housing 10 and construction section, also can say, the diameter of construction section is less than the diameter of the inwall of housing 10, when the axis of rotating shaft 20 and the axis of wheel box mileometer interface be not during at same straight line, rotating shaft 20, under the radial force effect of wheel box mileometer interface, can change the axis direction of self to keep this rotating shaft 20 coaxially to arrange with wheel box mileometer interface.Said structure is simple, and manufacturing cost is lower.In addition, as embodiment, axis adjustment structure can be comprised of bearing and elastic washer, and bearing holder (housing, cover) is located on construction section, and elastic washer is arranged between bearing and the inwall of housing 10.
As depicted in figs. 1 and 2, in the present embodiment, housing 10 also comprises inner casing 13, and inner casing 13 is arranged on the inside of shell 11 and is set on construction section, has radial displacement gap 14 between the inwall of inner casing 13 and construction section.Because inner casing 13 is Split type structures with shell 11, therefore, at shell 11 materials, constant in the situation that, inner casing 13 can adopt the material that friction factor is lower, reduces the friction of rotating shaft 20 and housing 10.Inner casing 13 can be fixed on shell 11, can be to be only also limited in the axial direction on shell 11.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a kilometer sensor, is characterized in that, comprising:
Housing (10), has rotating shaft perforating;
Rotating shaft (20), has and protrudes from the interface linkage section of described housing (10) and be positioned at the inner construction section of this housing (10);
Electronic component, is positioned at the inside of described housing (10);
Axis adjustment structure, be positioned between the inwall and described construction section of described housing (10), described rotating shaft (20) is arranged on described housing (10) can change the mode of the axis direction of this rotating shaft (20) by described axis adjustment structure.
2. kilometer sensor according to claim 1, is characterized in that, described kilometer sensor also comprises:
Dividing plate (30), is arranged on the inside of described housing (10) and is positioned between described rotating shaft (20) and described electronic component, and described dividing plate has inductive head perforating on (30).
3. kilometer sensor according to claim 1, is characterized in that, described housing (10) comprising:
Shell (11), has open end and rotating shaft wears end;
Cover plate (12), be connected with described shell (11) and shutoff described in open end, described shell (11) and described cover plate (12) are manufactured from the same material.
4. kilometer sensor according to claim 1, is characterized in that, is provided with assembling groove (21) on the outer peripheral face of described interface linkage section.
5. kilometer sensor according to claim 2, is characterized in that, the inwall of described dividing plate (30) and described housing (10) is fixed together by the mode of interference fit.
6. kilometer sensor according to claim 2, it is characterized in that, described dividing plate (30) has the groove cavity (31) extending towards described rotating shaft (20), the opening of described groove cavity (31) is towards the direction that deviates from described rotating shaft (20), described rotating shaft (20) axially on, described groove cavity (31) departs from described rotating shaft (20), and described inductive head perforating is arranged on the cell wall (32) of described groove cavity (31).
7. kilometer sensor according to claim 3, is characterized in that, described shell (11) adopts wave-soldering to be connected with described cover plate (12).
8. kilometer sensor according to claim 3, is characterized in that, described cover plate is provided with wire perforating on (12).
9. kilometer sensor according to claim 1, is characterized in that, described axis adjustment structure is radial displacement gap (14), and described radial displacement gap (14) is positioned between the inwall and described construction section of described housing (10).
10. kilometer sensor according to claim 1, is characterized in that, described axis adjustment structure is radial displacement gap (14), and described housing (10) comprising:
Shell (11), has rotating shaft and wears end;
Inner casing (13), is arranged on the inside of described shell (11) and is set on described construction section, has described radial displacement gap (14) between the inwall of described inner casing (13) and described construction section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420366942.7U CN204027579U (en) | 2014-07-03 | 2014-07-03 | Kilometer sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420366942.7U CN204027579U (en) | 2014-07-03 | 2014-07-03 | Kilometer sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204027579U true CN204027579U (en) | 2014-12-17 |
Family
ID=52067424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420366942.7U Expired - Fee Related CN204027579U (en) | 2014-07-03 | 2014-07-03 | Kilometer sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204027579U (en) |
-
2014
- 2014-07-03 CN CN201420366942.7U patent/CN204027579U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20180703 |