CN101949331B

CN101949331B - Electro-spray dual-cavity split air throttle body of motorcycle

Info

Publication number: CN101949331B
Application number: CN2010102803302A
Authority: CN
Inventors: 陈茂微; 冉启国; 李明东
Original assignee: FUJIAN FUDING JINGKE CARBURETOR Co Ltd
Current assignee: Fujian Jing Ke science and Technology Co., Ltd.
Priority date: 2010-09-14
Filing date: 2010-09-14
Publication date: 2012-10-31
Anticipated expiration: 2030-09-14
Also published as: CN101949331A

Abstract

The invention discloses an electro-spray dual-cavity split air throttle body of a motorcycle, which relates to an electro-spray air throttle body structure of the motorcycle. The electro-spray dual-cavity split air throttle body of the motorcycle comprises front and rear cavities, intra-cavity air throttle plates, air throttle shafts and a torsion structure and is characterized in that: a rear shaft sleeve of the front cavity and a front shaft sleeve of the rear cavity are disconnected to form split bodies; two studs are sleeved into connection sleeves on the same side of the front and rear cavities and inner holes of the sleeves and fastened by nuts respectively; the air throttle shafts shorten and extend outside of the front cavity to be fixedly connected with a front transmission rack; an air throttle rear shaft of the rear cavity is dynamically matched with and sleeved in corresponding holes of the front and rear shaft sleeves of the rear cavity, and the rear air throttle plate is inserted into and fixed at the air throttle rear shaft; a rear transmission rack is sleeved with and fixed on a step shaft on a front shaft end of the air throttle rear shaft of the rear cavity; and the front shaft sleeve of the rear cavity is sleeved with a torsional spring, and when the original open state of the air throttle plate is regulated, one side face of a radial plate of the rear transmission rack on the rear cavity is tightly adhered to the end part of a regulating screw on the radial plate of the front transmission rack of the front cavity under the action of the torsional spring. The split structure of the air throttle shaft can improve processing precision.

Description

The split type throttle-valve body of motorcycle electric spraying two-chamber

Technical field:

The present invention relates to motorcycle electric spraying throttle-valve body structure.

Background technique:

Motorcycle two-chamber throttle-valve body structure is made up of throttle blade, throttle plate pin, twist mechanism in two front and back of Contiuum type cavity, the cavity at present; Two cavity geometry air-flow air intake ducts are cylindrical cavity; The air-flow gas off-take is a diffusing opening conical cavity outwardly; Respectively there is level to be enclosed within movingly in the axle sleeve hole for throttle plate pin on the cavity of front and back to front shaft sleeve, rear axle housing, preceding cavity rear axle housing and rear chamber front shaft sleeve disjunctor, cavity is located by connecting before and after realizing; Throttle blade is the oval plate-like of cutting sth. askew; After a throttle plate pin passes two cavity corresponding apertures simultaneously; Throttle blade is inserted and to be implemented positioning and fixing with screw after throttle plate pin divides the groove that is provided with on the axis body in inside cavity, so because throttle blade is so that the small angle inclination screens can only unidirectionally be rotated for the oval plate-like throttle blade of cutting sth. askew with the full capping state of cavity inner chamber the time; Twist mechanism is made up of the outer section of throttle plate pin axis body, torsion spring, rope support, initial corner location adjusting device; The outer section of air throttle axis body is linked in the level of the external side disjunctor of ante-chamber movingly and in the axle sleeve endoporus, implements the fixedly connected of rope support with nut in the fit rope support endoporus on its outer end step axle of back; The rope support cylindrical is the annular groove body, and motor oil gas gate control handlebar is fixed on the accent of rope support annular groove body setting by the other end fit of a mild steel rope; Torsion spring is moving to be enclosed within the cavity level after joining forward on the sleeve outer circle; The torsion spring follower head is hooked on the extension pin of chamber outer wall; The torsion spring front end is hooked on the extension pin of rope support medial extremity setting; The torsion spring effect is rope support drive throttle plate pin, throttle blade is unidirectional executes when changeing; The rotation of drive torsion spring; When rope support did not have external force control, torsion spring impelled rope support, throttle plate pin, throttle blade return; Initial corner location adjusting device is to overlap a unification adjustment screw in a boss central, threaded hole on the preceding chamber outer wall; Also be sheathed with locking nut on the adjustment screw; Extend and a limiting stand in the rope support inboard; When regulating throttle blade initial opening state, the limiting stand end face is close to the end of adjustment screw under the effect of torsion spring power.

Air-flow is got into by the cavity intake duct, realizes air flow rate control through the throttle blade aperture.The fuel-flow control device then is to drive the stepping reset valve by stepper motor to implement flow control through the control oil channel flow, and the oil circuit mouth of pipe can be realized mixing of oil gas with choke valve air outlet channel pipeline connection, also can realize mixing with other form.

This kind choke valve defective is: when double-cavity conjoined processing supplies the through hole of throttle plate pin fit; This through hole length is long; The essential elongated tool of using; The long more beat degree of drill bit is big more, and adding man-hour still more is three disconnected holes rather than a through hole, and drill bit always produces lateral deflection power when newly getting into a disconnected hole planar ends.Then on the cavity diameter, the coaxality of through hole can produce deviation, throttle plate pin is long more, its add man-hour precision deviation is big too.Hole, shaft centre line deviation are big; Break holes movingly for satisfying one and three; Then to amplify the gap between the axle of hole in advance, the big stack with coaxiality deviation in gap, thereby two cavity throttle blade are when receiving same throttle plate pin adjusting; Two throttle blade initial openings can produce deviation, and consequence is that two cavity air flow rates there are differences and can't regulate.

Summary of the invention:

The objective of the invention is to overcome above-mentioned defective, provide a kind of motorcycle electric spraying two-chamber split type throttle-valve body.

Scheme of the present invention is: preceding cavity rear axle housing and rear chamber front shaft sleeve break off and form split; The level with the chamber outer wall disjunctor of respectively being provided with in preceding cavity, rear chamber bi-side is to the tubulose connecting sleeve; Other is provided with two sleeve pads between the cavity respective side connecting sleeve of front and back; Two double threaded screws cooperate respectively be inserted in before and after in cavity homonymy connecting sleeve and the sleeve endoporus, lock on the outside thread of two screw rods with nut, realize the fixed connection of front and back cavity; Throttle plate pin shortens and before stretching out, to be fixedly connected with a preceding force transmission rack behind the cavity, and preceding force transmission rack is radial plate of a disk extension, and the disc centre borehole jack is combined in behind the throttle plate pin riveted fixing on the axle head step axle; Be sheathed with rear chamber closure rear axle movingly in the axle sleeve corresponding aperture before and after the rear chamber, back throttle blade is inserted the closure rear axle behind the groove that is provided with on the inside cavity part axis body, implements positioning and fixing with screw; Other is provided with the back force transmission rack, and back force transmission rack is radial plate of a disk extension, and the disc centre borehole jack is combined in the riveted fixing on the preceding axle head step axle of rear chamber closure rear axle; Be sheathed with torsion spring on the rear chamber front shaft sleeve, the torsion spring follower head is hooked on the extension pin of chamber outer wall, and the torsion spring front end is hooked on the force transmission rack radial plate of back, and torsion spring torsion direction is identical with torsion spring torsion direction on the preceding cavity; Preceding force transmission rack radial plate is provided with tapped hole; An adjusting screw is linked in this tapped hole; Also be sheathed with locking nut on the adjusting screw; When regulating throttle blade initial opening state, the adjusting screw end before back force transmission rack radial plate one side on the rear chamber is close under the effect of torsion spring power on the preceding force transmission rack radial plate of cavity.

The invention has the advantages that: the solar term axle divides body structure that machining accuracy is improved, and makes two-chamber throttle blade aperture realize the split axle fine setting, and two throttle blade aperture conformity improve.

Description of drawings:

Fig. 1 is a topology view of the present invention.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is the B-B sectional view of Fig. 1.

Fig. 4 is the C-C sectional view of Fig. 1.

Fig. 5 is the D-D sectional view of Fig. 1.

Embodiment:

The present invention is structured conjoined to comprise that throttle blade 5, throttle plate pin 9, torsion structure are formed in front and back cavity 1, the cavity; It is characterized in that: preceding cavity 6 rear axle housings and rear chamber 1 front shaft sleeve break off and form split; Preceding cavity 6, rear chamber 1 bi-side respectively are provided with the level of chamber outer wall disjunctor to tubulose connecting sleeve 4; Other is provided with two sleeves, 2 pads between front and back cavity 1 respective side connecting sleeve 4; Before and after being inserted in respectively movingly, two double threaded screws in cavity 1 homonymy connecting sleeve 4 and sleeve 2 endoporus, on the outside thread of two screw rods, lock the fixed connection of cavity 1 before and after realizing with nut; Throttle plate pin 9 shortenings cavity 6 backs before stretching out are fixedly connected with a preceding force transmission rack 3, and preceding force transmission rack 3 is radial plate of a disk extension, and the disc centre borehole jack is combined in riveted fixing on the throttle plate pin 9 back axle head step axles; Be sheathed with rear chamber 1 closure rear axle 7 movingly in the rear chamber 1 front and back axle sleeve corresponding aperture, back throttle blade 5 is inserted closure rear axle 7 behind the groove that is provided with on the inside cavity part axis body, implements positioning and fixing with screw; Other is provided with back force transmission rack 8, and back force transmission rack 8 is radial plate of a disk extension, and the disc centre borehole jack is combined in the riveted fixing on the rear chamber 1 closure rear axle 7 preceding axle head step axles; Be sheathed with torsion spring on rear chamber 1 front shaft sleeve, the torsion spring follower head is hooked on the extension pin of chamber outer wall, and the torsion spring front end is hooked on force transmission rack 8 radial plate of back, and torsion spring torsion direction is identical with torsion spring torsion direction on the preceding cavity 6; Preceding force transmission rack 3 radial plate are provided with tapped hole; An adjusting screw is linked in this tapped hole; Also be sheathed with locking nut on the adjusting screw; When regulating throttle blade 5 initial opening states, the adjusting screw end before back force transmission rack 8 radial plate one side on the rear chamber 1 is close under the effect of torsion spring power on preceding force transmission rack 3 radial plate of cavity 6.

During installation; Earlier coupling shaft is assembled, put to front and back cavity 1 respectively and realize that two cavitys connect; The adjusting screw of cavity 1 before and after loosening after the connection, it is broken away from respectively before radial plate on cavity 6 limit daiss, rear chamber 1 back force transmission rack 8, two throttle blade 5 respectively under two torsion spring effects applying chamber wall realize full capping; Then the adjusting screw on cavity 6 boss is withstood the rope support limit dais and is implemented preceding throttle blade 5 initial openings location before the adjustment; Adjusting screw before turning forward again on the force transmission rack 3 is withstood the radial plate on the force transmission rack 8 of back, makes throttle blade 5 initial openings on the rear chamber 1 identical with preceding cavity 6, locks locking nut again.When current cavity 6 throttle plate pins 9 rotate under the working state; Force transmission rack 3 radial plate adjusted screws head on the radial plate rotation of back force transmission rack 8 before its throttle plate pin 9; Back force transmission rack 8 radial plate drive rear chamber 1 closure rear axle 7 and rotate, thus cavity 1 throttle blade 5 synchronous interactions before and after realizing.

Claims

1. the split type throttle-valve body of motorcycle electric spraying two-chamber; Cavity (1), the interior throttle blade (5) of cavity, throttle plate pin (9), torsion structure are formed before and after comprising; It is characterized in that: preceding cavity (6) rear axle housing and rear chamber (1) front shaft sleeve break off and form split; The level with the chamber outer wall disjunctor of respectively being provided with in preceding cavity (6), rear chamber (1) bi-side is to tubulose connecting sleeve (4), and other is provided with two sleeves (2) pad between front and back cavity (1) respective side connecting sleeve (4), before and after two double threaded screws are inserted in respectively movingly in cavity (1) homonymy connecting sleeve (4) and sleeve (2) endoporus; On the outside thread of two screw rods, lock the fixed connection of cavity (1) before and after realizing with nut; Throttle plate pin (9) shortening is fixedly connected with a preceding force transmission rack (3) after stretching out preceding cavity (6), and preceding force transmission rack (3) is radial plate of a disk extension, and the disc centre borehole jack is combined in riveted fixing on the axle head step axle of throttle plate pin (9) back; Be sheathed with rear chamber (1) closure rear axle (7) movingly in the axle sleeve corresponding aperture before and after the rear chamber (1), back throttle blade (5) is inserted closure rear axle (7) behind the groove that is provided with on the inside cavity part axis body, implements positioning and fixing with screw; Other is provided with back force transmission rack (8), and back force transmission rack (8) is radial plate of a disk extension, and the disc centre borehole jack is combined in the riveted fixing on the preceding axle head step of rear chamber (1) closure rear axle (7) axle; Be sheathed with torsion spring on rear chamber (1) front shaft sleeve, the torsion spring follower head is hooked on the extension pin of chamber outer wall, and the torsion spring front end is hooked on force transmission rack (8) radial plate of back, and torsion spring torsion direction is identical with torsion spring torsion direction on the preceding cavity (6); Preceding force transmission rack (3) radial plate is provided with tapped hole; An adjusting screw is linked in this tapped hole; Also be sheathed with locking nut on the adjusting screw; When regulating throttle blade (5) initial opening state, back force transmission rack (8) radial plate one side on the rear chamber (1) is in the adjusting screw end that is close under the effect of torsion spring power on preceding force transmission rack (3) radial plate of preceding cavity (6).