CN102011780B - Connection structure of throttle shaft and sector gear, throttle shaft and sector gear - Google Patents
Connection structure of throttle shaft and sector gear, throttle shaft and sector gear Download PDFInfo
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- CN102011780B CN102011780B CN 201010606725 CN201010606725A CN102011780B CN 102011780 B CN102011780 B CN 102011780B CN 201010606725 CN201010606725 CN 201010606725 CN 201010606725 A CN201010606725 A CN 201010606725A CN 102011780 B CN102011780 B CN 102011780B
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- flat key
- throttle plate
- plate pin
- axle
- tooth sector
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Abstract
The invention discloses a connection shaft of a throttle shaft and a sector gear, which comprises the throttle shaft and the sector gear, wherein the throttle shaft is cylindrical, the lower part at one end of the throttle shaft is provided with an annular lug slot, and a shaft flat-key slot which penetrates through the both sides of the throttle shaft and passes through the axle center is also formed at the end of the throttle shaft; and the sector gear is provided with a shaft hole matched with the throttle shaft, two gear flat-key slots distributed in an axial symmetry mode are formed at both sides of one end of the shaft hole, two lugs distributed in an axial symmetry mode are formed under the gear flat-key slots in the shaft hole, and included angles are formed between the two lugs distributed in an axial symmetry mode and the two gear flat-key slots distributed in an axial symmetry mode. The invention also discloses the throttle shaft and the sector gear. The invention can ensure the stable and reliable connection of the throttle between the shaft and the sector gear, and has the advantages of simple assembly and operation process and low cost.
Description
Technical field
The present invention relates to automotive electronic technology, particularly relate to a kind of axle of closure and linkage structure, throttle plate pin and the tooth sector of tooth sector.
Background technique
Closure is the vitals of automotive engine air intake system.It comprises body, valve block, throttle plate pin, direct current generator, tooth sector reducing gear, torsion spring, rotor etc.Be fixed on the position of the rotor reflection valve block on axle, position signal exports ECU (vehicle electronic control unit) to by sensor.Valve block is fixed on axle, and ECU drives direct current generator, and the rotation by tooth sector reducing gear Control Shaft is controlling the aperture of valve block, and then the air inflow of control engine.In engine working process, connection between tooth sector and axle is born the direct current generator output torque after amplifying through pinion unit is delivered on valve block, in whole power train, this point of attachment active force is maximum, so, guarantee that axle and reliable connection between tooth sector are one of key points of whole closure.
Reliable and stable with being connected of tooth sector at axle in order to guarantee closure, existing closure adopts the laser bonding mode usually when realizing that axle is connected with tooth sector, but it is very high to adopt laser welding apparatus to drop into.
Summary of the invention
The technical problem to be solved in the present invention is that closure is reliable and stable with being connected of tooth sector at axle, and assembly operation technique is simple, and cost is lower.
For solving the problems of the technologies described above, the invention provides a kind of linkage structure of axle and tooth sector of closure, comprise throttle plate pin, tooth sector;
Throttle plate pin is cylindrical, and the below of an end of throttle plate pin is formed with a ring-type projection groove, and this end of throttle plate pin also is formed with an axle flat key groove of crossing the axle center that connects the throttle plate pin both sides;
Tooth sector is formed with the axis hole with the throttle plate pin coupling, be formed with in axis hole one end both sides two gear flat key grooves that axisymmetric distributes, be formed with the projection that two axisymmetric distribute below axis hole internal gear flat key groove, between the gear flat key groove of the projection of two axisymmetric distributions and two axisymmetric distributions, angle arranged.
The axle of closure and the linkage structure of tooth sector also comprise a rotor, and rotor is formed with a rotor flat key.
2h＜2d＜a＜g＜k＜g+2n, j＜c, b＜e, a+h＞g, i≤m＜f＜a; Wherein, a is the diameter of throttle plate pin, and b is that ring-type projection groove is to the distance of an end of throttle plate pin, c is the width of ring-type projection groove, and d is the degree of depth of ring-type projection groove, and e is the degree of depth of axle flat key groove, f is the width of axle flat key groove and gear flat key groove, g is the diameter of axis hole 21, and h is the height of projection, and i is the width of projection, j is the thickness of projection, k is the length of rotor flat key, and m is the width of rotor flat key, and n is the degree of depth of gear flat key groove.
For solving the problems of the technologies described above, the present invention also provides a kind of throttle plate pin, and the below of an end of throttle plate pin is formed with a ring-type projection groove, and this end of throttle plate pin also is formed with an axle flat key groove of crossing the axle center that connects the throttle plate pin both sides; Ring-type projection groove is to the distance of this end of the throttle plate pin degree of depth less than axle flat key groove.
For solving the problems of the technologies described above, the present invention also provides a kind of tooth sector, be formed with axis hole, be formed with in axis hole one end both sides two gear flat key grooves that axisymmetric distributes, be formed with the projection that two axisymmetric distribute below axis hole internal gear flat key groove, between the gear flat key groove of the projection of two axisymmetric distributions and two axisymmetric distributions, angle arranged.
Angle between the gear flat key groove of the projection of two axisymmetric distributions and two axisymmetric distributions can be 30 degree, 60 degree or 90 degree.
the axle of closure of the present invention and the linkage structure of tooth sector, two gear flat key grooves that the axisymmetric that the axle flat key groove that the throttle plate pin end forms along axis and tooth sector one end both sides form distributes, the width of the rotor flat key that forms on its width and the width that is slightly larger than the small lugs that axisymmetric that tooth sector axis hole internal gear flat key groove below forms distributes and rotor, when the axle of closure of the present invention and the assembling of the linkage structure of tooth sector, first the end that axle flat key groove is arranged of throttle plate pin is inserted the axis hole of tooth sector, then make relative rotation occurs between tooth sector and throttle plate pin, only have when the projection in the axis hole of tooth sector aligns with axle flat key groove, tooth sector just can further be pressed into vertically, make projection slip into ring-type projection groove along axle flat key groove, only have after projection slips into ring-type projection groove fully, projection just can rotate in a circumferential direction in ring-type projection groove, thereby can be so that relative rotation occurs between tooth sector and throttle plate pin, then rotate the relative angle between tooth sector and throttle plate pin, axle flat key groove is alignd with gear flat key groove, when axle flat key groove with after gear flat key groove aligns, namely realized the axially locating between throttle plate pin and tooth sector, at last the rotor flat key is pressed into the elongated slot that axle flat key groove aligns with gear flat key groove and forms, can realize the circumferential location of throttle plate pin and tooth sector.
The axle of closure of the present invention and the linkage structure of tooth sector are detachable structure between throttle plate pin and tooth sector, and stable connection is reliable, and assembly operation technique is simple, and cost is lower, can greatly save equipment investment.
Description of drawings
Below in conjunction with the drawings and the specific embodiments, the present invention is described in further detail.
Fig. 1 is the front view of a mode of execution of throttle plate pin of the present invention;
Fig. 2 is the survey view of a mode of execution of throttle plate pin of the present invention;
Fig. 3 is the plan view of a mode of execution of tooth sector of the present invention;
Fig. 4 is a sectional drawing of a mode of execution of tooth sector of the present invention;
Fig. 5 is the front view of rotor of the present invention;
Fig. 6 is the side view of rotor of the present invention.
Embodiment
The axle of closure of the present invention and the linkage structure of tooth sector one mode of execution comprise throttle plate pin, tooth sector, rotor;
Throttle plate pin is the output element of moment of torsion, as shown in Figure 1 and Figure 2, throttle plate pin 1 is cylindrical, the below of one end of throttle plate pin 1 is formed with a ring-type projection groove 11, this end of throttle plate pin also is formed with an axle flat key groove 12 of crossing the axle center that connects the throttle plate pin both sides, and ring-type projection groove is to the distance of this end of the throttle plate pin degree of depth less than axle flat key groove; In Fig. 1, Fig. 2, a is the diameter of throttle plate pin 1, b be ring-type projection groove to the distance of an end of throttle plate pin, c is the width of ring-type projection groove, d is the degree of depth of ring-type projection groove, e is the degree of depth of axle flat key groove, f is the width of axle flat key groove;
tooth sector is mounting base, it is also the input part of moment of torsion, as Fig. 3, shown in Figure 4, tooth sector 2 is formed with the axis hole 21 with throttle plate pin 1 coupling, the slightly larger in diameter of axis hole 21 is in the diameter of throttle plate pin 1, be formed with in axis hole 21 1 end both sides two gear flat key grooves 22 that axisymmetric distributes, be formed with the projection 23 that two axisymmetric distribute below axis hole 21 internal gear flat key grooves, between the gear flat key groove 22 of the projection 23 of two axisymmetric distributions and two axisymmetric distributions, an angle is arranged, angle can be 30 degree, 60 degree or 90 degree etc. (angle shown in figure is 90 degree), Fig. 3, in Fig. 4, g is the diameter of axis hole 21, f is the width of gear flat key groove 22, n is the degree of depth of gear flat key groove, h is the height of projection, i is the width of projection, j is the thickness of projection,
Rotor is the connecting piece between tooth sector and throttle plate pin, it is the bridge that moment of torsion transmits, the rotor reflection is fixed on the position of the valve block on throttle plate pin, as Fig. 5, shown in Figure 6, rotor 3 is formed with a rotor flat key 31, in Fig. 5, Fig. 6, k is the length of rotor flat key 31, and m is the width of rotor flat key 31;
The axle of closure of the present invention and this mode of execution of the linkage structure of tooth sector, ring-type projection groove 11 is the axially locating grooves after the projection 23 of tooth sector is in place; Axle flat key groove 12 is part slots of rotor flat key 31, is also the installation chute of tooth sector projection 23; Gear flat key groove 22 is also the part slot of rotor flat key 31; Projection 23 is the axial limiting pieces between throttle plate pin 1 and tooth sector 2; 2h＜2d＜a＜g＜k＜g+2n, j＜c, b＜e, a+h＞g, i≤m＜f＜a.
the axle of closure of the present invention and the linkage structure of tooth sector, two gear flat key grooves that the axisymmetric that the axle flat key groove that the throttle plate pin end forms along axis and tooth sector one end both sides form distributes, the width of the rotor flat key that forms on its width and the width that is slightly larger than the small lugs that axisymmetric that tooth sector axis hole internal gear flat key groove below forms distributes and rotor, when the axle of closure of the present invention and the assembling of the linkage structure of tooth sector, first the end that axle flat key groove is arranged of throttle plate pin is inserted the axis hole of tooth sector, then make relative rotation occurs between tooth sector and throttle plate pin, only have when the projection in the axis hole of tooth sector aligns with axle flat key groove, tooth sector just can further be pressed into vertically, make projection slip into ring-type projection groove along axle flat key groove, only have after projection slips into ring-type projection groove fully, projection just can rotate in a circumferential direction in ring-type projection groove, thereby can be so that relative rotation occurs between tooth sector and throttle plate pin, then rotate the relative angle between tooth sector and throttle plate pin, axle flat key groove is alignd with gear flat key groove, when axle flat key groove with after gear flat key groove aligns, namely realized the axially locating between throttle plate pin and tooth sector, at last the rotor flat key is pressed into the elongated slot that axle flat key groove aligns with gear flat key groove and forms, can realize the circumferential location of throttle plate pin and tooth sector.
The axle of closure of the present invention and the linkage structure of tooth sector are detachable structure between throttle plate pin and tooth sector, and stable connection is reliable, and assembly operation technique is simple, and cost is lower, can greatly save equipment investment.
Claims (6)
1. the linkage structure of the axle of a closure and tooth sector, comprise throttle plate pin, tooth sector, it is characterized in that,
Throttle plate pin is cylindrical, and the below of an end of throttle plate pin is formed with a ring-type projection groove, and this end of throttle plate pin also is formed with an axle flat key groove of crossing the axle center that connects the throttle plate pin both sides;
Tooth sector is formed with the axis hole with the throttle plate pin coupling, be formed with in axis hole one end both sides two gear flat key grooves that axisymmetric distributes, be formed with the projection that two axisymmetric distribute below axis hole internal gear flat key groove, between the gear flat key groove of the projection of two axisymmetric distributions and two axisymmetric distributions, angle arranged.
2. the linkage structure of the axle of closure according to claim 1 and tooth sector, is characterized in that, the axle of closure and the linkage structure of tooth sector also comprise a rotor, and rotor is formed with a rotor flat key.
3. the linkage structure of the axle of closure according to claim 2 and tooth sector, is characterized in that, 2h＜2d＜a＜g＜k＜g+2n, j＜c, b＜e, a+h＞g, i≤m＜f＜a;
Wherein, a is the diameter of throttle plate pin, and b is that ring-type projection groove is to the distance of an end of throttle plate pin, c is the width of ring-type projection groove, and d is the degree of depth of ring-type projection groove, and e is the degree of depth of axle flat key groove, f is the width of axle flat key groove and gear flat key groove, g is the diameter of axis hole (21), and h is the height of projection, and i is the width of projection, j is the thickness of projection, k is the length of rotor flat key, and m is the width of rotor flat key, and n is the degree of depth of gear flat key groove.
4. a throttle plate pin, for cylindrical, is characterized in that,
The below of one end of throttle plate pin is formed with a ring-type projection groove, and this end of throttle plate pin also is formed with an axle flat key groove of crossing the axle center that connects the throttle plate pin both sides;
Ring-type projection groove is to the distance of this end of the throttle plate pin degree of depth less than axle flat key groove.
5. tooth sector, be formed with axis hole, it is characterized in that, be formed with in axis hole one end both sides two gear flat key grooves that axisymmetric distributes, be formed with the projection that two axisymmetric distribute below axis hole internal gear flat key groove, between the gear flat key groove of the projection of two axisymmetric distributions and two axisymmetric distributions, angle arranged.
6. tooth sector according to claim 5, is characterized in that, the angle between the gear flat key groove of the projection of two axisymmetric distributions and two axisymmetric distributions is 30 degree, 60 degree or 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010606725 CN102011780B (en) | 2010-12-27 | 2010-12-27 | Connection structure of throttle shaft and sector gear, throttle shaft and sector gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010606725 CN102011780B (en) | 2010-12-27 | 2010-12-27 | Connection structure of throttle shaft and sector gear, throttle shaft and sector gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102011780A CN102011780A (en) | 2011-04-13 |
| CN102011780B true CN102011780B (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010606725 Active CN102011780B (en) | 2010-12-27 | 2010-12-27 | Connection structure of throttle shaft and sector gear, throttle shaft and sector gear |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2858960Y (en) * | 2005-12-05 | 2007-01-17 | 比亚迪股份有限公司 | Electronic throttle gate driving device |
| CN101520004A (en) * | 2009-04-01 | 2009-09-02 | 四川红光汽车机电有限公司 | Electronic air throttle body for non-contact sensor |
| CN201963406U (en) * | 2010-12-27 | 2011-09-07 | 联合汽车电子有限公司 | Connecting structure between throttle spindle and sector gear, throttle spindle and sector gear |
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2010
- 2010-12-27 CN CN 201010606725 patent/CN102011780B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2858960Y (en) * | 2005-12-05 | 2007-01-17 | 比亚迪股份有限公司 | Electronic throttle gate driving device |
| CN101520004A (en) * | 2009-04-01 | 2009-09-02 | 四川红光汽车机电有限公司 | Electronic air throttle body for non-contact sensor |
| CN201963406U (en) * | 2010-12-27 | 2011-09-07 | 联合汽车电子有限公司 | Connecting structure between throttle spindle and sector gear, throttle spindle and sector gear |
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| Publication number | Publication date |
|---|---|
| CN102011780A (en) | 2011-04-13 |
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