CN2768012Y - Electromechanical vehicle speed sensor - Google Patents
Electromechanical vehicle speed sensor Download PDFInfo
- Publication number
- CN2768012Y CN2768012Y CN 200420058598 CN200420058598U CN2768012Y CN 2768012 Y CN2768012 Y CN 2768012Y CN 200420058598 CN200420058598 CN 200420058598 CN 200420058598 U CN200420058598 U CN 200420058598U CN 2768012 Y CN2768012 Y CN 2768012Y
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- ring
- insulated
- diameter
- face
- output shaft
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Abstract
The utility model relates to an electromechanical vehicle speed sensor. The utility model is provided with a cylindrical front housing and a cylindrical back housing, and two insulation rings are clamped between the cylindrical front housing and the cylindrical back housing; the cylindrical front housing, the cylindrical back housing and the two insulation rings are coaxially sheathed together and mutually positioned through plastic positioning nails and positioning holes in the mode of plugging connection, annular bosses arranged on contact surfaces are in mutual scarf joint with grooves; then, three screws are penetrated into through holes and reach blind holes so that the cylindrical front housing, the cylindrical back housing and the two insulation rings are locked tightly into integration, and the terminal of each through hole is provided with internal threads. A small shaft is coaxially inserted into the front housing, and one end of the small shaft is in plugging connection with an output shaft of a vehicle; an output shaft is coaxially inserted into the back housing, and one end of the output shaft outputs torque; the small shaft and the output shaft are in plugging connection together, and a magnetic circular ring is clamped between the small shaft and the output shaft. Besides, an annular printed circuit board is provided with a Hall element which corresponds to the position of the magnetic circular ring; the printed circuit board is clamped between the two insulation rings, and the printed circuit board is provided with a Hall element protective circuit; electric signals of the printed circuit board are output by a wiring harness which is arranged between the insulation rings; besides, a sensor can provide electric signals and output torque, signals are accurate and reliable, and a magnetic conversion element can be protected.
Description
Affiliated technical field
The utility model relates to a kind of electromechanical vehicle speed sensor of using on the motor-driven vehicle going registering instrument, for registering instrument provides vehicle speed data.
Technical background
Existing vehicle speed sensor, can only electric signal being provided and output torque can not be provided to the flexible axle of mechanical type instrument of single electronic type to electronic instrument and registering instrument; And the mechanical type vehicle speed sensor is that electric signal and output torque can be provided from see in form, but the inside of sensor does not install holding circuit additional, and is subjected to the vehicle condition electromagnetic effect very big, and output signal is inaccurate, and it is serious that the magnetic conversion element burns phenomenon.
The utility model content
What the utility model provided is the electromechanical vehicle speed sensor of using on a kind of motor-driven vehicle going registering instrument, and it can provide electric signal and output torque, and output signal is accurate, and the magnetic conversion element is effectively protected.
For reaching this purpose, the technical scheme that is adopted is: two columniform housings, sandwich have two insulated rings, four coaxial connecting together, locate by plastics locating pin and pilot hole grafting between each person, and rabbet mutually by ring-type convex and groove on the surface of contact; Penetrate the female blind hole of through hole incoming terminal with three screws again and lock and become one; The little axle of coaxial insertion in the procapsid, an end and motor car engine output shaft are pegged graft; Coaxial insertion output shaft in the back casing, one end output torque; And little axle is plugged between output shaft, and centre clip again a magnetic annulus; Hall element with the corresponding placement of magnetic annulus is installed on a circular printed circuit board simultaneously; In the middle of printed circuit board is clamped on by two insulated rings; Printed circuit board is provided with the Hall element holding circuit; The electric signal of printed circuit board is by the wire harness output that is fastened between the insulated ring.
The beneficial effects of the utility model are: electric signal and output torque can be provided, output signal accurately and reliably, the magnetic conversion element is effectively protected, safe operation; Simple and reasonable for structure; Cost is low, can be mass-produced.
Description of drawings
The vertical sectional front view of Fig. 1 electromechanical vehicle speed sensor; Among the figure, 1, procapsid; 2, little axle; 3, O-ring seal; 4, output shaft; 5, printed circuit board; 6, the insulated ring that contacts with back casing; 7, the insulated ring that contacts with procapsid; 8, trip bolt; 9, back casing; 10, the rubber beams spare of binding bundle and wire harness; 11, magnetic cell; 12, little axle bearing shell; 13, output shaft bearing shell; 14, Hall element;
Fig. 2 electromechanical vehicle speed sensor left view;
The insulated ring front elevation that contacts with procapsid in Fig. 3 electromechanical vehicle speed sensor; Among the figure, 15, be the semilune block; 16, insert the through hole of lock-screw; 17, positioning through hole; 18, plastics locating pin; 19, grow cube body;
The insulated ring top view that contacts with procapsid in Fig. 4 electromechanical vehicle speed sensor;
The insulated ring longitudinal sectional view that contacts with procapsid in Fig. 5 electromechanical vehicle speed sensor; Among the figure, 20, be the rectangle shallow slot;
The rear view of the insulated ring that contacts with procapsid in Fig. 6 electromechanical vehicle speed sensor;
Wire harness front elevation in Fig. 7 electromechanical vehicle speed sensor; Among the figure, 22, wire harness tightens the rectangle termination with rubber sleeve; 23, wire harness is tightened the button-head with rubber sleeve; 24, three of wire harness leads;
Fig. 8 electromechanical vehicle speed sensor center line bunchy top view;
The front elevation of the insulated ring that contacts with back casing in Fig. 9 electromechanical vehicle speed sensor; Among the figure, 25, the rectangle shallow slot; 26, three plastics locating pins;
The insulated ring top view that contacts with back casing in Figure 10 electromechanical vehicle speed sensor; Among the figure, 27, the plastics locating pin;
The insulated ring longitudinal sectional view that contacts with back casing in Figure 11 electromechanical vehicle speed sensor;
The insulated ring rear view that contacts with back casing in Figure 12 electromechanical vehicle speed sensor;
Output shaft right view in Figure 13 electromechanical vehicle speed sensor; Among the figure, 29, vertically cracking by round hole axial;
Output shaft longitudinal sectional view in Figure 14 electromechanical vehicle speed sensor; Among the figure, 27, vertically crack; 28, circular hole;
The left view of output shaft in Figure 15 electromechanical vehicle speed sensor;
Procapsid longitudinal sectional view in Figure 16 electromechanical vehicle speed sensor; Among the figure, 30, the blind hole of tapped insertion trip bolt; 31, place the annular groove of O-ring seal;
Procapsid left view in Figure 17 electromechanical vehicle speed sensor;
The medium and small axle of Figure 18 electromechanical vehicle speed sensor front elevation; Among the figure, 32, the flat termination of right-hand member of little axle and engine output shaft connection; 33, stage casing circular shaft part; 34, disc backstop; 35, the outstanding flat Connection Card key of roundlet axle punching press;
Transverse view is looked on the medium and small axle of Figure 19 electromechanical vehicle speed sensor right side;
Back casing longitudinal sectional view in Figure 20 electromechanical vehicle speed sensor; Among the figure, 36, tapped through hole; 37, the through hole of the tight screw of mortise lock; 38, endless loop;
The left view of back casing in Figure 21 electromechanical vehicle speed sensor; Among the figure, 39, be positioning through hole;
Circuit electrical schematic diagram in Figure 22 electromechanical vehicle speed sensor; Among the figure, T1 is a Hall element;
Circuit printing plate rear elevation view in Figure 23 electromechanical vehicle speed sensor; Among the figure 44, be Hall element; 45, the solder joint of three leads of rat tail;
Circuit printing plate front view in Figure 24 electromechanical vehicle speed sensor; Among the figure 40, be D
1The installation site; 41, be V
1The position; 42, be R
143, be R
2
Embodiment
Shown in Fig. 1-2 4, the forward and backward two housings 1,9 of sensor, the contact site that diameter is bigger, two insulated rings 6,7 of the same diameter of sandwich, they are coaxial sockets, on the surface of contact of two housings 1,9 and two insulated rings 6,7, all have three be parallel to coaxial axis, along the circle uniform hole 16,30,37; The blind hole 30 of procapsid 1 has internal thread, and the hole of back casing 9 and two insulated rings 6,7 is a through hole; Three lock-screws 8 insert than the hole on the large part outer face 37 from back casing 9 diameters; Coaxial package is pressed into a copper bush 12 in the procapsid 1, and pierces into the little axle 2 of a band Sealing shield ring 34, and the flat termination 32 of little axle 2 one end rectangles reaches the outside of procapsid 1, pegs graft with the motor car engine output shaft; The other end of little axle 2 leans out a minor diameter circular shaft from Sealing shield ring 34 centers, at flat Connection Card key 35 of axle upper edge axis direction punching press, with the termination tape spool of the output shaft 4 in the coaxial insertion back casing 9 of minor diameter circular shaft in 29 the circular hole 28 of cracking; Output shaft 4 middle part diameters are greater than the termination diameter; The end face that increases thick position becomes the coaxial backstop that is crimped on the copper sheathing 13 in the back casing 9 of insertion; The rear end of output shaft 4 has one vertically to crack 27 by axis; On the cylindrical rearward end cylinder of back casing 9, the manhole 36 of a tapped axis normal in cylinder arranged; On the end face of two insulated rings, 6,7 butt joints; Insulated ring 6 along uniform three plastics locating pins 26 on the annular end face, and insulated ring 7 along on the annular end face, there are three through holes 17 that diameter is the same with the plastics locating pin position of corresponding plastics locating pin 26; On two insulated rings 6,7 and end face that front and back housing 1,9 contacts, a plastics locating pin 18,27 is also respectively arranged, and the position of the corresponding plastics locating pin 18,27 of the end face of front and back housing 1,9, the identical through hole of a diameter and plastics locating pin 18,27 is then respectively arranged; It is that plane, bottom are with the identical long cube of group's face arcwall face that two insulated rings, 6,7 outer groups all have a top accordingly; Wherein, with the long cube on the insulated ring 7 that procapsid 1 contacts, a long side surface is on the plane of two insulated ring surface of contact; Below this long side surface, there is a long limit to be parallel to the long limit of long side surface, and is slightly less than the rectangle shallow slot 20 on the long limit of long side surface; Long cubical another long side surface then stands on the center line of insulated ring 7 outer group thickness; The end face that insulated ring 7 contacts with procapsid is helped outward, inwardly dwindles one section, forms a little ring-shaped step, in the ring groove on the surface of contact of embedding procapsid 1; In addition, in the end face at little ring-shaped step place, be parallel to the diametric(al) on plane, long cube top, to outstanding two the half moon blocks 15 in center, thickness is half of insulated ring 7 thickness to symmetry from the inner ring limit; The outer of insulated ring 6 that contacts with back casing 9 helped, on the cubical position of length on the corresponding insulated ring 7, length and highly identical long cube are also arranged, but widely then be of uniform thickness with insulated ring 6, one radially the rectangular channel at the through inner ring edge of length is arranged in this long cube, rectangular channel middle part, also there is the same shallow slot of a size 25 shallow slot 20 corresponding sections below the long cube of insulated ring 7; Insulated ring 6 falls in the inner ring circumferential edge edge of back casing 9 surface of contact, is a circular groove; Rabbet together with the annular steps that back casing 9 protrudes; The inner ring diameter of this insulated ring 6 is less than the inner ring diameter of another insulated ring 7; And on the inner ring edge, it is the outstanding circle of rectangle that an xsect is arranged.Little axle 2 and output shaft 4 splicing positions, the end face by the thicker part of the backstop 34 of little axle 2 and output shaft 4 clamps a magnetic rings 11, and is corresponding with the Hall element 14 on uprightly being installed in printed circuit board 5; Printed circuit board 5 is a ring-type, is clamped between the outstanding circle and two first quarter moon shape blocks 15 in two insulated rings 6,7; Three leads of printed circuit board 5 usefulness 24 are formed wire harness 10, and are that the rectangle termination 22 and the other end are that the rubber beams spare of button-head 23 is tightened with having an end; Rectangle termination 22 is clipped in the shallow slot 20,25 in the long cube of two insulated rings 6,7.Front and back housing 6,7 all adopts the alumina based material manufacturing, and procapsid 7 front ends are the less right cylinder that has annular ditch groove of diameter for one section, wherein, are equipped with O-ring seal 3 in the rectangle groove; Procapsid 7 stage casings are larger-diameter right cylinder; Latter end is the right cylinder of diameter maximum; Back casing 6 leading portions are annular round body 38, and latter end is the less cylinder-like body of diameter.Printed circuit board 5 is an annular plate, and there are the resistance 42,43 of one, D in the front
1, V
1Be mounted in the element 40,42 in the printed board; In the back side of printed board 44 is the T1SS413A Hall element, and 45 is the line end tie point of wire harness 10.
Claims (3)
1, electromechanical vehicle speed sensor, it is characterized in that: the forward and backward two housings of sensor (1), (9), the contact site that diameter is bigger, two insulated rings (6) of the same diameter of sandwich, (7), they are coaxial sockets, on the surface of contact of two housings (1), (9) and two insulated rings (6), (7), all have three be parallel to coaxial axis, along circle uniform hole (16), (30), (37); The blind hole (30) of procapsid (1) has internal thread, and back casing (9) is a through hole with the hole of two insulated rings (6), (7); Three lock-screws (8) insert than the hole on the large part outer face (37) from back casing (9) diameter; The interior coaxial package of procapsid (1) is pressed into a copper bush (12), and pierces into the little axle (2) of a band Sealing shield ring (34), and the little axle flat terminations of (2) one end rectangles (32) reach the outside of procapsid (1), peg graft with the motor car engine output shaft; The other end of little axle (2) leans out a minor diameter circular shaft from Sealing shield ring (34) center, at flat Connection Card key (35) of axle upper edge axis direction punching press, with the termination tape spool of the output shaft (4) in the coaxial insertion back casing of minor diameter circular shaft (9) in the circular hole (28) of crack (29); Output shaft (4) middle part diameter is greater than the termination diameter; The end face that increases thick position becomes the coaxial backstop that is crimped on the copper sheathing (13) in the back casing (9) of insertion; There are vertically crack (27) by axis the rear end of output shaft (4); On the cylindrical rearward end cylinder of back casing (9), the manhole (36) of a tapped axis normal in cylinder arranged; On the end face of two insulated rings (6), (7) butt joint; Insulated ring (6) along uniform three plastics locating pins (26) on the annular end face, and insulated ring (7) along on the annular end face, there are three through holes (17) that diameter is the same with the plastics locating pin position of corresponding plastics locating pin (26); On two insulated rings (6), (7) and end face that front and back housing (1), (9) contact, a plastics locating pin (18), (27) are also respectively arranged, and then respectively there are a diameter and plastics locating pin (18), (27) identical through hole in the position of the corresponding plastics locating pins (18) of the end face of front and back housing (1), (9), (27); It is that plane, bottom are with the identical long cube of group's face arcwall face that two insulated rings (6), (7) outer group all have a top accordingly; Wherein, with the long cube on the insulated ring (7) that procapsid (1) contacts, a long side surface is on the plane of two insulated ring surface of contact; Below this long side surface, there is a long limit to be parallel to the long limit of long side surface, and is slightly less than the rectangle shallow slot (20) on the long limit of long side surface; Long cubical another long side surface then stands on the center line of the outer group of insulated ring (7) thickness; The end face that insulated ring (7) contacts with procapsid is helped outward, inwardly dwindles one section, forms a little ring-shaped step, in the ring groove on the surface of contact of embedding procapsid (1); In addition, in the end face at little ring-shaped step place, be parallel to the diametric(al) on plane, long cube top, to outstanding two the half moon blocks (15) in center, thickness is half of insulated ring (7) thickness to symmetry from the inner ring limit; Outer the helping of the insulated ring (6) that contacts with back casing (9), on the cubical position of length on the corresponding insulated ring (7), length and highly identical long cube are also arranged, but widely then be of uniform thickness with insulated ring (6), one radially the rectangular channel at the through inner ring edge of length is arranged in this long cube, rectangular channel middle part, also there is the same shallow slot of a size (25) shallow slot (20) corresponding section below the long cube of insulated ring (7); Insulated ring (6) falls in the inner ring circumferential edge edge of back casing (9) surface of contact, is a circular groove; Rabbet together with the annular steps that back casing (9) protrudes; The inner ring diameter of this insulated ring (6) is less than the inner ring diameter of another insulated ring (7); And on the inner ring edge, it is the outstanding circle of rectangle that an xsect is arranged.Little axle (2) and output shaft (4) splicing position, the end face by the thicker part of the backstop (34) and the output shaft (4) of little axle (2) clamps a magnetic rings (11), and is corresponding with the Hall element (14) on uprightly being installed in printed circuit board (5); Printed circuit board (5) is a ring-type, is clamped between the outstanding circle and two first quarter moon shape blocks (15) in two insulated rings (6), (7); Printed circuit board (5) is formed wire harness (10) with three leads (24), and is that the rectangle termination (22) and the other end are that the rubber beams spare of button-head (23) is tightened with having an end; Rectangle termination (22) is clipped in shallow slot (20) in the long cube of two insulated rings (6), (7), (25).
2, by the described electromechanical vehicle speed sensor of claim 1, it is characterized in that: procapsid (1), back casing (9) all adopt the alumina based material manufacturing, procapsid (1) front end is the less right cylinder that has annular ditch groove of diameter for one section, wherein, is equipped with O-ring seal (3) in the rectangle groove; Procapsid (1) stage casing is larger-diameter right cylinder; Latter end is the right cylinder of diameter maximum; Back casing (9) leading portion is an annular round body (38), and latter end is the less cylinder-like body of diameter.
3, by the described electromechanical vehicle speed sensor of claim 1, it is characterized in that: printed circuit board (5) is an annular plate, and there are resistance (42), (43) of one in the front, D
1, V
1Be mounted in element (40), (42) in the printed board; (44) in the back side of printed board are T
1SS413A Hall element, (45) are the line end tie point of wire harness (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420058598 CN2768012Y (en) | 2004-12-16 | 2004-12-16 | Electromechanical vehicle speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420058598 CN2768012Y (en) | 2004-12-16 | 2004-12-16 | Electromechanical vehicle speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2768012Y true CN2768012Y (en) | 2006-03-29 |
Family
ID=36681880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420058598 Expired - Fee Related CN2768012Y (en) | 2004-12-16 | 2004-12-16 | Electromechanical vehicle speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2768012Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453487A (en) * | 2018-04-11 | 2018-08-28 | 航天科技控股集团股份有限公司 | A kind of mounting device of Hall element protective case |
| CN114324965A (en) * | 2022-03-15 | 2022-04-12 | 南京凯基特电气有限公司 | Accurate speed sensor |
-
2004
- 2004-12-16 CN CN 200420058598 patent/CN2768012Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453487A (en) * | 2018-04-11 | 2018-08-28 | 航天科技控股集团股份有限公司 | A kind of mounting device of Hall element protective case |
| CN108453487B (en) * | 2018-04-11 | 2020-05-15 | 航天科技控股集团股份有限公司 | Installation device of hall element protective sheath |
| CN114324965A (en) * | 2022-03-15 | 2022-04-12 | 南京凯基特电气有限公司 | Accurate speed sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060329 Termination date: 20121216 |