CN203759041U - Electromotor speed sensor - Google Patents
Electromotor speed sensor Download PDFInfo
- Publication number
- CN203759041U CN203759041U CN201420078461.6U CN201420078461U CN203759041U CN 203759041 U CN203759041 U CN 203759041U CN 201420078461 U CN201420078461 U CN 201420078461U CN 203759041 U CN203759041 U CN 203759041U
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- speed sensor
- sleeve
- open end
- motor speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to an electromotor speed sensor which is mainly applied to a storage-battery-employing battery vehicle such as an electric automobile, an electric fork truck, an electric sightseeing vehicle and the like. The electromotor speed sensor comprises a sensor outer shell consisting of a sleeve cylinder and an installation seat, wherein the two ends of the sleeve cylinder are respectively a closed end and an open end, a cavity is axially arranged from the open end to the inner part of the sleeve cylinder, the installation seat is arranged outside the open end of the sleeve cylinder, the installation seat is provided with a main installation hole and an auxiliary installation hole, and the sleeve cylinder is positioned between the main installation hole and the auxiliary installation hole. The center lines of the sleeve cylinder, the main installation hole and the auxiliary installation hole are positioned on the same plane. The installation seat of the outer shell of the electromotor speed sensor is provided with the main installation hole and the auxiliary installation hole that correspond to the left side and the right side of the sleeve cylinder, the main installation hole and the auxiliary installation hole are connected with an electromotor outer shell through screw bolts, and therefore a stable and reliable connection structure is formed. Relative movement between the speed sensor and the electromotor outer shell can be prevented, and stability and accuracy of signals measured by the speed sensor can be ensured.
Description
Technical field
The utility model relates to speed pickup technical field, particularly a kind of motor speed sensor of the battery truck vehicle that is mainly used in the use accumulators such as electric automobile, electri forklift, electric sightseeing vehicle.
Background technology
Motor speed sensor is that electric automobile, electri forklift, electric sightseeing vehicle etc. use conventional detecting element in the battery truck vehicle of accumulator, but, because existing motor speed sensor is installed insecure, in the time that battery truck is worked, motor speed sensor produces vibrations with battery truck, thereby and between motor, produce larger displacement, and cause jitter, test the speed inaccurately, even affect the normal work of battery truck.
Utility model content
It is a kind of simple and reasonable for structure that the purpose of this utility model is to provide, and the motor speed sensor of stable connection, reliable operation, signal stabilization, to overcome the deficiencies in the prior art.
The purpose of this utility model is achieved in that
A kind of motor speed sensor, comprise sensor outer housing, it is characterized in that: described sensor outer housing is made up of sleeve and mount pad, sleeve two ends are respectively blind end and open end, and open end is axially provided with cavity in sleeve, and mount pad is arranged on the outside of sleeve open end, mount pad is provided with a main mounting hole and an auxiliary mounting hole, sleeve is between main mounting hole and auxiliary mounting hole, and the center line of sleeve, main mounting hole and auxiliary mounting hole all at grade.
The purpose of this utility model can also adopt following technical measures to solve:
As a kind of scheme more specifically, described sleeve and mount pad are one-body molded, and the inner side of main mounting hole and auxiliary mounting hole is all inlaid with metallic sheath, and metallic sheath periphery is provided with anti-skidding groove, and anti-skidding groove is fixedly connected with mount pad.Metallic sheath and mount pad are fixed together, and because metallic sheath periphery is provided with anti-skidding groove, can overlap the stability being connected by reinforcement metal between mount pad.
Described main mounting hole and auxiliary mounting hole end face are provided with thickening boss, thereby increase the intensity of main mounting hole and auxiliary mounting hole.
The end face of described cavity is cross, between the cavity left and right sides, between narrow, the upper and lower both sides of distance, distance is wide, wherein, the cavity left and right sides is respectively towards auxiliary mounting hole and main mounting hole, between cavity left and right bisector and auxiliary mounting hole and main mounting hole, center of circle connecting line forms angle α, and angle α is 80-87 degree.Described angle α preferred value is 85 degree.
Described sleeve is provided with annular groove near the periphery at open end place, is provided with O-ring seal in annular groove.
The open end of described sleeve is provided with heavy stand.
Described motor speed sensor also comprises the components and parts that test the speed, wire and end cap, the components and parts that test the speed are arranged in cavity and are electrically connected with wire, end cap is provided with center pit, and wire stretches out outside cavity through the center pit of end cap, and end cap is arranged in the heavy stand of sleeve open end.
The beneficial effects of the utility model are as follows:
(1) the corresponding sleeve of the mount pad of this kind of motor speed sensor shell left and right sides is provided with main mounting hole and auxiliary mounting hole, main mounting hole is connected with motor housing by bolt with auxiliary mounting hole, form reliable and stable syndeton, avoid relative motion between speed pickup and motor housing, thereby guarantee the measured signal stabilization of speed pickup, accurate;
(2) wide for placing between the cavity left and right sides of the components and parts that test the speed between narrow, the upper and lower both sides of distance distance, thereby formation location structure, the components and parts that test the speed only could insert in cavity in pendulum to certain angle, simultaneously, between cavity left and right bisector and auxiliary mounting hole and main mounting hole, center of circle connecting line forms the angle of 80-87 degree (preferred value is 85 degree), and can the signal of the components and parts that make to test the speed more stable more by force.
Brief description of the drawings
Fig. 1 is the utility model sensor outer housing one example structure schematic diagram.
Fig. 2 is another angle structural representation of sensor outer housing.
Fig. 3 is sensor outer housing plan structure schematic diagram.
Fig. 4 is sensor outer housing and end cap decomposition texture schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Shown in Fig. 1 and Fig. 2, a kind of motor speed sensor, comprise sensor outer housing 1, described sensor outer housing 1 is made up of sleeve 12 and mount pad 19, sleeve 12 two ends are respectively blind end 11 and open end 16, open end 16 is toward the interior cavity 17 that is axially provided with of sleeve 12, mount pad 19 is arranged on the outside of sleeve 12 open ends 16, mount pad 19 is provided with a main mounting hole 14 and an auxiliary mounting hole 18, sleeve 12 is between main mounting hole 14 and auxiliary mounting hole 18, and, sleeve 12, the center line of main mounting hole 14 and auxiliary mounting hole 18 (respectively is a2, a1 and a3) all at grade.
Shown in Fig. 3, described sleeve 12 and mount pad 19 are one-body molded, and the inner side of main mounting hole 14 and auxiliary mounting hole 18 is all inlaid with metallic sheath 2, and metallic sheath 2 peripheries are provided with anti-skidding groove 21, and anti-skidding groove 21 is fixedly connected with mount pad 19.
Described main mounting hole 14 and auxiliary mounting hole 18 end faces are provided with thickening boss 10.
The end face of described cavity 17 is cross, between cavity 17 left and right sides, between narrow, the upper and lower both sides of distance, distance is wide, wherein, cavity 17 left and right sides are respectively towards auxiliary mounting hole 18 and main mounting hole 14, between cavity 17 left and right bisector L1 and auxiliary mounting hole 18 and main mounting hole 14, center of circle connecting line L2 forms angle α, and angle α is 85 degree.
Described sleeve 12 is provided with annular groove 13 near the periphery at open end 16 places, is provided with O-ring seal (not shown) in annular groove 13.
The open end 16 of described sleeve 12 is provided with heavy stand 15.
Shown in Fig. 4, described motor speed sensor also comprises the components and parts that test the speed, wire and end cap 3, the components and parts that test the speed are arranged in cavity 17 and are electrically connected with wire, end cap 3 is provided with center pit 31, wire stretches out outside cavity 17 through the center pit 31 of end cap 3, and end cap 3 is arranged in the heavy stand 15 of sleeve 12 open ends 16.All not shown in above-mentioned test the speed components and parts and wire figure, test the speed and be also perfused with resin sealed insulating material between components and parts and cavity 17, not shown.
Claims (8)
1. a motor speed sensor, comprise sensor outer housing, it is characterized in that: described sensor outer housing is made up of sleeve and mount pad, sleeve two ends are respectively blind end and open end, and open end is axially provided with cavity in sleeve, and mount pad is arranged on the outside of sleeve open end, mount pad is provided with a main mounting hole and an auxiliary mounting hole, sleeve is between main mounting hole and auxiliary mounting hole, and the center line of sleeve, main mounting hole and auxiliary mounting hole all at grade.
2. motor speed sensor according to claim 1, it is characterized in that: described sleeve and mount pad are one-body molded, the inner side of main mounting hole and auxiliary mounting hole is all inlaid with metallic sheath, and metallic sheath periphery is provided with anti-skidding groove, and anti-skidding groove is fixedly connected with mount pad.
3. motor speed sensor according to claim 1, is characterized in that: described main mounting hole and auxiliary mounting hole end face are provided with thickening boss.
4. motor speed sensor according to claim 1, it is characterized in that: the end face of described cavity is cross, between the cavity left and right sides, between narrow, the upper and lower both sides of distance, distance is wide, wherein, the cavity left and right sides is respectively towards auxiliary mounting hole and main mounting hole, between cavity left and right bisector and auxiliary mounting hole and main mounting hole, center of circle connecting line forms angle α, and angle α is 80-87 degree.
5. motor speed sensor according to claim 4, is characterized in that: described angle α is 85 degree.
6. motor speed sensor according to claim 1, is characterized in that: described sleeve is provided with annular groove near the periphery at open end place, is provided with O-ring seal in annular groove.
7. motor speed sensor according to claim 1, is characterized in that: the open end of described sleeve is provided with heavy stand.
8. motor speed sensor according to claim 7, it is characterized in that: also comprise the components and parts that test the speed, wire and end cap, the components and parts that test the speed are arranged in cavity and are electrically connected with wire, end cap is provided with center pit, wire stretches out outside cavity through the center pit of end cap, and end cap is arranged in the heavy stand of sleeve open end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078461.6U CN203759041U (en) | 2014-02-22 | 2014-02-22 | Electromotor speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078461.6U CN203759041U (en) | 2014-02-22 | 2014-02-22 | Electromotor speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203759041U true CN203759041U (en) | 2014-08-06 |
Family
ID=51254297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420078461.6U Expired - Fee Related CN203759041U (en) | 2014-02-22 | 2014-02-22 | Electromotor speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203759041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807079A (en) * | 2016-04-20 | 2016-07-27 | 宁波中车时代传感技术有限公司 | Speed sensor assembly of motor for high-speed vehicle and manufacturing method of speed sensor assembly |
-
2014
- 2014-02-22 CN CN201420078461.6U patent/CN203759041U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807079A (en) * | 2016-04-20 | 2016-07-27 | 宁波中车时代传感技术有限公司 | Speed sensor assembly of motor for high-speed vehicle and manufacturing method of speed sensor assembly |
| CN105807079B (en) * | 2016-04-20 | 2019-02-26 | 宁波中车时代传感技术有限公司 | The speed sensor assembly and its manufacturing method of high speed automobile motor |
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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: 20140806 Termination date: 20200222 |