CN201739028U - Cam rocker arm type carburetor - Google Patents
Cam rocker arm type carburetor Download PDFInfo
- Publication number
- CN201739028U CN201739028U CN2010202815752U CN201020281575U CN201739028U CN 201739028 U CN201739028 U CN 201739028U CN 2010202815752 U CN2010202815752 U CN 2010202815752U CN 201020281575 U CN201020281575 U CN 201020281575U CN 201739028 U CN201739028 U CN 201739028U
- Authority
- CN
- China
- Prior art keywords
- rocking arm
- closure
- rocker arm
- driven rocking
- spindle
- 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 - Lifetime
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model discloses a cam rocker arm type carburetor comprising a throttle valve, a choke valve and a fuel regulating valve. A throttle valve spindle is installed on the throttle valve, a choke valve spindle is installed on the choke valve, and a fuel regulating spindle is installed on the fuel regulating valve; one end of the throttle valve spindle is provided with a throttle valve driven rocker arm, and the other end of the throttle valve spindle is provided with a throttle valve driving rocker arm; the fuel regulating spindle is provided with a fuel regulating control rocker arm; one end of the choke valve spindle is provided with a choke valve driven rocker arm, a notch is arranged at the outline of the choke valve driven rocker arm, and the other end of the choke valve spindle is provided with a choke valve driving rocker arm; the throttle valve driven rocker and the fuel regulating control rocker arm are connected by the cam-shaped appearance of the throttle valve driven rocker arm, and can move, the choke valve driven rocker arm is contacted with the throttle valve driven rocker arm, and return twist springs are respectively arranged on the throttle valve spindle, the choke valve spindle and a fuel regulating control spindle. The cam rocker arm type carburetor has the advantages of simple structure, accurate opening position, good linkage repeatability, and the like.
Description
Technical field
The utility model relates to the fuel feeding control gear of motor, especially a kind of cam rocker arm formula Carburetor.
Background technique
The effect of Carburetor is: according to the needs of motor under different situations, with fuel evaporation, and be mixed into inflammable mixture by a certain percentage with air, in time enter cylinder in right amount.Chock plate is when the motor Environmental Conditions is low, and engine start uses.Chock plate played the choke effect when Carburetor was worked under the normal condition, and inlet is open state at upper body.Linking mechanism on the existing Carburetor has cable type linking mechanism and two kinds of structures of wire type linking mechanism.Cable type linking mechanism repeatability is relatively poor, and length conformity precision be cannot say for sure to demonstrate,prove the accurate position when influencing aperture after the two ends welding was finished.The processing of wire type linking mechanism is simple, cost is low, but easy deformation after the moulding, the position when also influencing assembling and aperture.
The model utility content
The utility model purpose provide a kind of simple in structure, aperture position accurately, the cam rocker arm formula Carburetor of interlock good reproducibility.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of cam rocker arm formula Carburetor comprises closure, chock plate and fuel regulator valve, and throttle plate pin is housed on closure, and Air strangler spindle is housed on chock plate, and fuel regulating shaft is housed on fuel regulator valve; Be provided with the driven rocking arm of closure at described throttle plate pin one end, be provided with the closure initiatively rocking arm at the throttle plate pin the other end; On described fuel regulating shaft, be provided with fuel oil and regulate the control rocking arm; Be provided with the driven rocking arm of chock plate at described Air strangler spindle one end, be provided with breach in the driven rocking arm gabarit of this chock plate, and be provided with the chock plate initiatively rocking arm at the Air strangler spindle the other end; The driven rocking arm of described closure, fuel oil are regulated the cam-like profile of control rocking arm by the driven rocking arm of closure and are connected and carry out activity, and the driven rocking arm of chock plate can contact with the driven rocking arm of closure, regulates on the Control Shaft being equipped with the return torsion spring at joint axle of the air door, Air strangler spindle and fuel oil.
Be provided with screw mounting hole on the driven rocking arm of described closure, the adjustment screw is housed on described screw mounting hole, the driven rocking arm of described closure is fastenedly connected by screw and throttle plate pin.
The utility model is after adopting said structure, by the driven rocking arm of closure being set at throttle plate pin one end, the other end is provided with the closure initiatively rocking arm, on fuel oil adjusting Control Shaft, be provided with fuel oil and regulate the control rocking arm, be provided with the driven rocking arm of chock plate at Air strangler spindle one end, the other end is provided with the chock plate initiatively rocking arm, driven rocking arm of closure and fuel oil are regulated the control rocking arm and are flexibly connected by cam, the driven rocking arm of chock plate can contact with the driven rocking arm of closure, regulates on the Control Shaft being equipped with the return torsion spring at joint axle of the air door, Air strangler spindle and fuel oil.So the utility model can come opening throttle by driving the closure initiatively rocking arm, and the driven rocking arm swing of drive closure, drive fuel oil by the driven rocking arm of closure and regulate the Control Shaft rocking arm, regulate the Control Shaft rotation, open the fuel oil adjusting control valve thereby drive fuel oil; Drive the chock plate initiatively rocking arm, close chock plate, the driven rocking arm swing of chock plate contacts with the driven rocking arm of closure, and the driven rocking arm swing of driving closure, stigmal plate aperture of normal idling time of the opening ratio of closure is big, be in the fast-idle speed aperture, realized the interlock control of rocking arm, so the utility model aperture position is accurate, the interlock good reproducibility.When the driven rocking arm of throttle plate pin clockwise rotates, the cam-like profile of the driven rocking arm of closure drives fuel oil adjusting Control Shaft and rotates counterclockwise, open fuel oil and regulate Control Shaft, reach standard-sized sheet until the solar term door-plate, fuel oil is regulated Control Shaft and is reached standard-sized sheet simultaneously, its interlock is transmitted stable, and it is good to repeat performance.In the utility model, the driven rocking arm of throttle plate pin is connected by the cam-like profile by the driven rocking arm of closure with the driven rocking arm of fuel oil adjusting Control Shaft and carries out activity, and it can satisfy special solar term door-plate aperture and fuel oil is regulated Control Shaft aperture relation curve.In addition, the utility model is because its interlock mode has adopted the structure of cams, so the utility model is simple in structure, cost reduces, and performance is more stable.
Description of drawings
Fig. 1 looks schematic representation for master of the present utility model;
Fig. 2 looks schematic representation for a left side shown in Figure 1;
Fig. 3 is a schematic rear view shown in Figure 1.
Among the figure: 1. closure, 11. throttle plate pins, the driven rocking arm of 12. closures, 121. closure is from shaking than screw hole 13. closure initiatively rocking arms, 14. adjusting screw, 2. chock plate, 21. Air strangler spindles, the driven rocking arm of 22. chock plates, 221. breach, 23. chock plate initiatively rocking arms, 3. fuel oil adjusting control valve, 31. fuel oil is regulated Control Shaft, 32. fuel oil is regulated control rocking arm, 4. return torsion spring, 5. fastening screw trip bolt.
Embodiment
With a mode of execution the utility model is described in further detail below, but should illustrates, protection domain of the present utility model is not limited only to this.
Consult Fig. 1 to Fig. 3, cam rocker arm formula Carburetor of the present utility model comprises closure 1, chock plate 2 and fuel oil adjusting control valve 3, throttle plate pin 11 is housed on closure 1, Air strangler spindle 21 is housed on chock plate 2, and on fuel regulator valve 3, fuel regulating shaft 31 is housed; Be provided with the driven rocking arm 12 of closure at described throttle plate pin 11 1 ends, be provided with closure initiatively rocking arm 13 at throttle plate pin 11 the other ends; On described fuel regulating shaft 31, be provided with fuel oil and regulate control rocking arm 32; Be provided with the driven rocking arm 22 of chock plate at described Air strangler spindle 21 1 ends, be provided with breach 221 in driven rocking arm 22 gabarits of this chock plate, and be provided with chock plate initiatively rocking arm 23 at Air strangler spindle 21 the other ends; The driven rocking arm 12 of described closure, fuel oil are regulated the cam-like profile of control rocking arm 32 by the driven rocking arm 12 of closure and are connected and carry out activity, and the driven rocking arm 22 of chock plate can contact with the driven rocking arm 12 of closure, regulates on the Control Shaft 31 being equipped with return torsion spring 4 at joint axle of the air door 11, Air strangler spindle 21 and fuel oil.
Further, be provided with screw mounting hole 121 on the driven rocking arm 12 of described closure, be equipped with on described screw mounting hole 121 and adjust screw 14, the driven rocking arm 12 of described closure is fastenedly connected by screw 5 and throttle plate pin 11.
The concrete working procedure of present embodiment is as follows:
When motor is in cold post-start, warming-up working state: be fixed on the choke door-hinge initiatively rocking arm 23 on the Air strangler spindle 21, when closing choker 2 by external force driving choke door-hinge initiatively rocking arm 23, after the driven rocking arm 22 of choke door-hinge turns to a certain point of view, driven rocking arm 22 gabarits of choke door-hinge drive the driven rocking arm 12 of closure and clockwise rotate around throttle plate pin 11, be in full-shut position until chock plate 2, driven rocking arm 12 1 ends of throttle plate pin (playing the ratchet effect) are stopped at breach 221 places of driven rocking arm 22 gabarits of choke door-hinge.At this moment, closure 1 aperture is big during the normal idling of closure 1 opening ratio, is in the fast-idle speed aperture, and fuel oil adjusting control valve 3 is in closed state.
When motor is in hot machine working state: after motor is finished cold post-start, warming-up process, the driven rocking arm 12 of throttle plate pin external force effect under clockwise rotate, closure 1 is progressively opened, after being opened to several angle, the driven rocking arm 12 of throttle plate pin disengages with the driven rocking arm 22 of choke door-hinge, at this moment, chock plate 2 is got back to fully open position by full cut-off under the twisting force of return torsion spring 4.
Closure 1 opening process: when the driven rocking arm 12 of throttle plate pin clockwise rotates, drive fuel oil adjusting Control Shaft rocking arm 32 and be rotated counterclockwise, open fuel oil adjusting control valve 3, reach standard-sized sheet, open fuel oil adjusting control valve 3 and reach standard-sized sheet simultaneously until closure 1.
Closure 1 closes closed procedure: when the driven rocking arm 12 of throttle plate pin rotates counterclockwise, fuel oil adjusting control valve 3 servo-actuated under return torsion spring 4 twisting forces is closed, when the driven rocking arm 12 of closure clockwise rotates several angle, fuel oil adjusting control valve 3 Close Alls.
Though described mode of execution of the present utility model in conjunction with the accompanying drawings; but those skilled in the art can make various distortion or modification within the scope of the appended claims; as long as be no more than the described protection domain of claim of the present utility model, all should be within protection domain of the present utility model.
Claims (2)
1. cam rocker arm formula Carburetor, comprise closure (1), chock plate (2) and fuel regulator valve (3), throttle plate pin (11) is housed on closure (1), Air strangler spindle (21) is housed on chock plate (2), and on fuel regulator valve (3), fuel regulating shaft (31) is housed; It is characterized in that: be provided with the driven rocking arm of closure (12) at described throttle plate pin (11) one ends, be provided with closure initiatively rocking arm (13) at throttle plate pin (11) the other end; On described fuel regulating shaft (31), be provided with fuel oil and regulate control rocking arm (32); Be provided with the driven rocking arm of chock plate (22) at described Air strangler spindle (21) one ends, be provided with breach (221), and be provided with chock plate initiatively rocking arm (23) at Air strangler spindle (21) the other end in the driven rocking arm of this chock plate (22) gabarit; The driven rocking arm of described closure (12), fuel oil regulate control rocking arm (32) by the driven rocking arm of closure (12) the connection of cam-like profile and carry out activity, and the driven rocking arm of chock plate (22) can contact with the driven rocking arm of closure (12), being equipped with return torsion spring (4) on joint axle of the air door (11), Air strangler spindle (21) and fuel oil adjusting Control Shaft (31).
2. cam rocker arm formula Carburetor according to claim 1, it is characterized in that: on the driven rocking arm of described closure (12), be provided with screw mounting hole (121), be equipped with on described screw mounting hole (121) and adjust screw (14), the driven rocking arm of described closure (12) is fastenedly connected by screw (5) and throttle plate pin (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202815752U CN201739028U (en) | 2010-08-04 | 2010-08-04 | Cam rocker arm type carburetor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202815752U CN201739028U (en) | 2010-08-04 | 2010-08-04 | Cam rocker arm type carburetor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201739028U true CN201739028U (en) | 2011-02-09 |
Family
ID=43554306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202815752U Expired - Lifetime CN201739028U (en) | 2010-08-04 | 2010-08-04 | Cam rocker arm type carburetor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201739028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493880A (en) * | 2011-12-14 | 2012-06-13 | 淄博柴油机总公司 | Internal combustion engine |
-
2010
- 2010-08-04 CN CN2010202815752U patent/CN201739028U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493880A (en) * | 2011-12-14 | 2012-06-13 | 淄博柴油机总公司 | Internal combustion engine |
| CN102493880B (en) * | 2011-12-14 | 2015-05-13 | 淄博柴油机总公司 | Internal combustion engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110209 |
|
| CX01 | Expiry of patent term |