CN102808673B - Motor and worm integral installing mechanism of engine and assembling method thereof - Google Patents
Motor and worm integral installing mechanism of engine and assembling method thereof Download PDFInfo
- Publication number
- CN102808673B CN102808673B CN201210265491.3A CN201210265491A CN102808673B CN 102808673 B CN102808673 B CN 102808673B CN 201210265491 A CN201210265491 A CN 201210265491A CN 102808673 B CN102808673 B CN 102808673B
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- motor mounting
- mounting flange
- worm screw
- mounting rack
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 22
- 230000000452 restraining effect Effects 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
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Abstract
The invention relates to a motor and worm integral installing mechanism of an engine and an assembling method of the motor and worm integral installing mechanism of the engine. The installing mechanism comprises a motor and worm integral mechanism, the engine, a motor installation bracket, a motor installation flange and an axial positioning boss, wherein the engine comprises the cylinder cover; the motor and worm integral mechanism comprises a servo direct-current motor and a worm; the motor installation bracket is fixedly arranged on the cylinder cover; the motor installation flange is fixedly arranged on the motor installation bracket; the servo direct-current motor is assembled with the motor installation flange in a matched manner; and the worm and the motor are axially positioned by the axial positioning boss.
Description
Technical field
The present invention relates to field of internal combustion engine, more particularly, the present invention relates to a kind of mounting mechanism and installation method thereof of the fastening link of servo direct current motor worm screw of new type of continuous lift range valve mechanism for variable valve motor.
Background technique
Along with the Abgasgesetz of the soaring and increasingly stringent of oil price, low pollution, low oil consumption, high-power, motor high pulling torque are exactly motor engineer's design object.On the eccentric shaft described in publication CN200910116666.2, interference assembling worm gear, forms a pair of turbine and worm decelerator engagement driving between worm gear and worm screw, between worm screw and servo direct current motor, forms fastening link.And this motor worm fastening link mechanism installation location and assembly method thereof are not described in detail in this patent of invention.
Summary of the invention
The object of the present invention is to provide a kind of mounting mechanism and assembly method thereof of motor worm one, can realize good axially locating, ensure that worm-and-wheel gear centre distance requires accurately, and installation precision requires high requirement, thereby realize the smooth and easy transmission of turbine and worm decelerator.
Concrete technological scheme is as follows:
A mounting mechanism for motor of engine worm screw one, comprises motor worm integral mechanism, motor, and motor mounting rack, motor mounting flange and axially locating boss, wherein, described motor comprises its cylinder cap; Described motor worm integral mechanism comprises servo direct current motor and worm screw; Described motor mounting rack is fixedly mounted on cylinder cap, and motor mounting flange is fixedly mounted on motor mounting rack, and servo direct current motor coordinates assembling with motor mounting flange; Described worm screw and motor are guaranteed axially locating by axially locating boss.
Further, described motor mounting rack is provided with construction bolt hole, and 4 motors are installed fixing bolt and coordinated motor mounting rack is fixedly mounted on cylinder cap with described construction bolt hole.
Further, described motor mounting flange is provided with fixed bolt hole, and motor mounting flange fixing bolt is fixedly mounted on motor mounting flange on motor mounting rack by the mounting flange bolt hole on described fixed bolt hole and motor mounting rack.
Further, described motor mounting rack is provided with a motor mounting flange axial limiting groove, and described motor mounting flange is provided with a boss, thereby described boss is for being sleeved on the assembling axially locating that ensures motor mounting flange in described restraining groove.
Further, described motor mounting flange is provided with motor shaft to restraining groove, and the axially locating boss of servo direct current motor coordinates assembling with this motor shaft to restraining groove.
Further, motor mounting rack is provided with a worm screw mounting hole, and worm screw is assemblied on motor mounting rack by this worm screw mounting hole.
Further, described servo direct current motor is provided with motor mounting hole, described motor mounting flange is provided with motor tapped hole is installed, and motor is installed fixing bolt and by described motor mounting hole motor installation tapped hole, servo direct current motor is fixed on motor mounting flange.
Further, worm screw has a worm screw tail end thin bar, and it is installed taper end hole with the worm screw on motor mounting rack and coordinates for Spielpassung.
The assembly method of the mounting mechanism of above-mentioned motor of engine worm screw one, comprises the steps:
(1) by 4 motors, fixing bolt being installed is fixedly mounted on motor mounting rack on cylinder cap by the construction bolt hole on motor mounting rack;
(2) motor mounting flange fixing bolt is fixedly mounted on motor mounting flange on motor mounting rack by the fixed bolt hole on corresponding motor mounting flange and the mounting flange bolt hole on motor mounting rack;
(3) boss on motor mounting flange is sleeved in the motor mounting flange axial limiting groove on motor mounting rack, and boss ensures the assembling axially locating of motor mounting flange;
(4) the axially locating boss of the motor in the fastening link mechanism of servo direct current motor worm screw coordinates assembling with the motor shaft on motor mounting flange to restraining groove, and motor shaft installs to motor the axially locating effect of playing to positioning boss;
(5) worm screw on motor worm integrative-structure is assemblied on motor mounting rack by the worm screw mounting hole on motor mounting rack.
Further, also comprising the steps: to utilize motor that fixing bolt is installed is fixed on servo direct current motor on motor mounting flange by the motor installation tapped hole on motor mounting hole and motor mounting flange in the servo direct current motor of the fastening link mechanism of motor worm.
Compared with currently available technology, the present invention utilizes the mechanism form of motor mounting rack and motor mounting flange that motor worm integral mechanism is arranged on cylinder cap, utilize axially locating boss can ensure the axially locating of worm screw and motor, accurate to meet worm and gear meshed center distance size requirements, installation precision requires high, the requirement that the center line of worm screw and worm gear central plane coincide.Ensure that servo direct current motor drives turbine and worm decelerator can realize normal engagement driving.Prevent that the installation of motor worm one from not meeting positioning requirements is installed without axially locating, affects the normal engagement driving of worm and gear.
Motor mounting rack and motor mounting flange mechanism ensure that motor worm integral mechanism is assemblied in the axially locating that engine cylinder covers, meet that worm-and-wheel gear requires accurately meshed center distance and worm and gear installation precision requires high feature, ensure that servo direct current motor driving turbine and worm decelerator can realize normal engagement driving;
Motor mounting rack and motor mounting flange, low processing cost, technique be simple, it is reliable to use.
Brief description of the drawings
Fig. 1 is motor mounting rack structural representation of the present invention;
Fig. 2 is motor mounting rack horizontal section structural representation of the present invention;
Fig. 3 is the structural representation of the fastening link of servo direct current motor worm screw of the present invention (being motor worm integral mechanism);
Fig. 4 (a) is the forward sight structural representation of example motor mounting flange of the present invention;
Fig. 4 (b) is the backsight structural representation of example motor mounting flange of the present invention;
Fig. 5 is the structural representation that example motor mounting flange of the present invention is assembled to motor mounting rack;
Fig. 6 is that example motor mounting flange of the present invention, the fastening link mechanism of motor worm (being motor worm integral mechanism) are assemblied in the structural scheme of mechanism on motor mounting rack;
Fig. 7 is that example motor mounting flange of the present invention, the fastening link mechanism of motor worm (being motor worm integral mechanism) are assemblied in longitudinal profile structural scheme of mechanism on motor mounting rack;
Fig. 8 is that example of the present invention mechanism is fixed on the structural representation on cylinder cap.
In figure, be labeled as: 1, motor mounting rack; 2, on motor mounting rack cylinder cap, fixedly mount bolt hole; 3, the motor mounting flange axial limiting groove on motor mounting rack; 4, the worm screw mounting hole on motor mounting rack; 5, motor mounting flange mounting hole on motor mounting rack; 6, servo direct current motor; 7, motor fixed installation hole; 8, servo direct current motor axially locating boss; 9, worm screw; 10, worm screw taper end bar; 11, motor mounting flange; 12, the axially locating boss on motor mounting flange; 13, motor is arranged on the mounting hole on motor mounting flange; 14, motor mounting flange is fixed on the installation tapped hole on motor mounting rack; 15, cylinder cap; 16, motor mounting rack fixing bolt; 17, motor is installed fixing bolt; 18, the motor shaft on motor mounting flange is to restraining groove; 19, spark-plug socket mounting hole; 20, worm screw assembling viewing hole; 21, spark-plug socket; 22, motor mounting flange fixing bolt.
Embodiment
Describe the present invention with reference to the accompanying drawings below, it is a kind of preferred embodiment in numerous embodiments of the present invention.
Example of the present invention as shown in Figure 8, is first installed fixing bolt (16) by 4 motors and by the construction bolt hole (2) on motor mounting rack (1), motor mounting rack (1) is fixedly mounted on cylinder cap (15).Secondly, as shown in Fig. 2, Fig. 4 (a), Fig. 5, Fig. 6 and Fig. 7, motor mounting flange fixing bolt (22) is fixedly mounted on motor mounting flange (11) on motor mounting rack (1) by the mounting flange bolt hole (5) on fixed bolt hole (14) and motor mounting rack (1) on corresponding motor mounting flange (11).The structural representation of motor mounting flange (11) as shown in Figure 4 (a), boss (12) on motor mounting flange (11) is sleeved in the motor mounting flange axial limiting groove (3) on motor mounting rack (1), and this boss (12) ensures the assembling axially locating of motor mounting flange (11).As shown in Fig. 3 and Fig. 4 (b), the axially locating boss (8) of the motor (6) in the fastening link mechanism of servo direct current motor worm screw coordinates assembling with the motor shaft on motor mounting flange (11) to restraining groove (18), this motor shaft installs to motor the axially locating effect of playing to positioning boss (8), meet worm and gear centre distance size requirements accurate, installation precision requires high requirement.As shown in Figures 2 and 3, the worm screw (9) on motor worm integrative-structure is assemblied on motor mounting rack (1) by the worm screw mounting hole (4) on motor mounting rack (1).As shown in Figure 3, worm screw (9) on motor worm integral mechanism is cantilever beam structure, tail end thin bar (10) circular runout of considering overhang is larger than front end, worm screw tail end thin bar (10) is installed taper end hole (4) with the worm screw on motor mounting rack (1) and is coordinated for Spielpassung, ensure enough circular runout gaps, prevent from causing worm and gear engagement stuck because of excessively spacing, affect the normal transmission of turbine and worm decelerator engagement.As shown in Fig. 6, Fig. 7 and Fig. 8, utilize motor that fixing bolt (17) is installed and by the motor installation tapped hole (13) on motor mounting hole (7) and motor mounting flange (11) in the servo direct current motor (6) of the fastening link mechanism of motor worm, servo direct current motor (6) is fixed on motor mounting flange (11).
In addition, as shown in Fig. 1 and Fig. 8, the spark-plug socket mounting hole (19) on motor mounting rack (1) is convenient to the assembling of spark-plug socket on cylinder cap (21).And the design of worm screw on motor mounting rack (1) assembling viewing hole (20) be assemble for the ease of worm screw after, debugging motor drives worm-and-wheel gear observe worm movement and design, and motor mounting rack (1) is played to loss of weight effect simultaneously.
Core of the present invention be motor mounting rack and motor mounting flange simple in structure, processing technology is simple, and ensure the axially locating of the fastening link mechanism assembling of motor worm, meet worm and gear centre distance size requirements accurate, installation precision requires high feature, ensures that servo direct current motor drives turbine and worm decelerator can realize normal engagement driving.This motor mounting rack and motor mounting flange low processing cost, technique is simple, it is reliable to use.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present invention and technological scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (6)
1. an assembly method for the mounting mechanism of motor of engine worm screw one, is characterized in that, the mounting mechanism of motor of engine worm screw one comprises motor worm integral mechanism, motor, motor mounting rack, motor mounting flange and axially locating boss, wherein, described motor comprises its cylinder cap; Described motor worm integral mechanism comprises servo direct current motor and worm screw; Described motor mounting rack is fixedly mounted on cylinder cap, motor mounting flange is fixedly mounted on motor mounting rack, described motor mounting rack is provided with a motor mounting flange axial limiting groove, described motor mounting flange is provided with a boss, thereby described boss is for being sleeved on the assembling axially locating that ensures motor mounting flange in described restraining groove; Servo direct current motor coordinates assembling with motor mounting flange, described servo direct current motor is provided with motor mounting hole, described motor mounting flange is provided with motor tapped hole is installed, and motor is installed fixing bolt and by described motor mounting hole motor installation tapped hole, servo direct current motor is fixed on motor mounting flange; Worm screw has a worm screw tail end thin bar, and it coordinates for Spielpassung with the worm screw installation taper end hole on motor mounting rack, and described worm screw and motor are guaranteed axially locating by axially locating boss; Assembling comprises the steps:
(1) by 4 motors, fixing bolt being installed is fixedly mounted on motor mounting rack on cylinder cap by the construction bolt hole on motor mounting rack;
(2) motor mounting flange fixing bolt is fixedly mounted on motor mounting flange on motor mounting rack by the fixed bolt hole on corresponding motor mounting flange and the mounting flange bolt hole on motor mounting rack;
(3) boss on motor mounting flange is sleeved in the motor mounting flange axial limiting groove on motor mounting rack, and boss ensures the assembling axially locating of motor mounting flange;
(4) the axially locating boss of the motor in the fastening link mechanism of servo direct current motor worm screw coordinates assembling with the motor shaft on motor mounting flange to restraining groove, and motor shaft installs to motor the axially locating effect of playing to positioning boss;
(5) worm screw on motor worm integrative-structure is assemblied on motor mounting rack by the worm screw mounting hole on motor mounting rack.
2. the assembly method of the mounting mechanism of motor of engine worm screw one as claimed in claim 1, it is characterized in that, described motor mounting rack is provided with construction bolt hole, and 4 motors are installed fixing bolt and coordinated motor mounting rack is fixedly mounted on cylinder cap with described construction bolt hole.
3. the assembly method of the mounting mechanism of motor of engine worm screw one as claimed in claim 1 or 2, it is characterized in that, described motor mounting flange is provided with fixed bolt hole, and motor mounting flange fixing bolt is fixedly mounted on motor mounting flange on motor mounting rack by the mounting flange bolt hole on described fixed bolt hole and motor mounting rack.
4. the assembly method of the mounting mechanism of motor of engine worm screw one as claimed in claim 3, it is characterized in that, described motor mounting flange is provided with motor shaft to restraining groove, and the axially locating boss of servo direct current motor coordinates assembling with this motor shaft to restraining groove.
5. the assembly method of the mounting mechanism of motor of engine worm screw one as claimed in claim 4, is characterized in that, motor mounting rack is provided with a worm screw mounting hole, and worm screw is assemblied on motor mounting rack by this worm screw mounting hole.
6. the assembly method of the mounting mechanism of motor of engine worm screw one as claimed in claim 1, it is characterized in that, also comprise the steps: to utilize motor that fixing bolt is installed and by the motor installation tapped hole on motor mounting hole and motor mounting flange in the servo direct current motor of the fastening link mechanism of motor worm, servo direct current motor is fixed on motor mounting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210265491.3A CN102808673B (en) | 2012-07-28 | 2012-07-28 | Motor and worm integral installing mechanism of engine and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210265491.3A CN102808673B (en) | 2012-07-28 | 2012-07-28 | Motor and worm integral installing mechanism of engine and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102808673A CN102808673A (en) | 2012-12-05 |
| CN102808673B true CN102808673B (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210265491.3A Active CN102808673B (en) | 2012-07-28 | 2012-07-28 | Motor and worm integral installing mechanism of engine and assembling method thereof |
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| CN (1) | CN102808673B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3977538B2 (en) * | 1999-02-15 | 2007-09-19 | 株式会社日立製作所 | Variable valve operating device for internal combustion engine |
| JP4900173B2 (en) * | 2007-10-01 | 2012-03-21 | 株式会社デンソー | Actuator of valve lift control device |
| CN101539042B (en) * | 2009-04-29 | 2012-06-27 | 奇瑞汽车股份有限公司 | Valve lift control mechanism capable of realizing stepless regulation |
| CN102140944B (en) * | 2011-03-16 | 2012-09-05 | 奇瑞汽车股份有限公司 | Eccentric shaft control system of complete-variable air valve lift mechanism |
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| CN102808673A (en) | 2012-12-05 |
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