CN202081983U - Split type mechanical throttle valve body - Google Patents
Split type mechanical throttle valve body Download PDFInfo
- Publication number
- CN202081983U CN202081983U CN2011201629008U CN201120162900U CN202081983U CN 202081983 U CN202081983 U CN 202081983U CN 2011201629008 U CN2011201629008 U CN 2011201629008U CN 201120162900 U CN201120162900 U CN 201120162900U CN 202081983 U CN202081983 U CN 202081983U
- Authority
- CN
- China
- Prior art keywords
- throttle valve
- throttle
- valve seat
- torsion spring
- plate pin
- 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 - Fee Related
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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 split type mechanical throttle valve body, comprising a throttle valve body (1), a throttle valve shaft (2), a throttle valve flap (3), a rotational frame assembly (4), a torsion spring (5), a stepping motor (6), an idle valve seat (7) and an adsorption tube (10); the throttle valve shaft (2) is arranged on the throttle valve body (1) through a bearing (8); the throttle valve flap (3) is arranged on the throttle valve shaft (2); the idle valve seat (7) is arranged on the throttle valve body (1); the stepping motor (6) is arranged on the idle valve seat (7); and the torsion spring (5) and the rotational frame assembly (4) are arranged on the throttle valve shaft (2) in sequence. The split type mechanical throttle valve body has the following beneficial effects: the idling stability is improved by adopting the structure of the split type idle valve seat; the inflexible rotation of the throttle valve body caused by the deformation of the throttle valve shaft by adopting a reverse riveting screw is eliminated by adopting a self-locking screw; and the adsorption tube is arranged so that the emission is reduced and the gasoline consumption is also saved.
Description
Technical field
The utility model relates to the automotive engine air intake system parts, particularly a kind of separate mechanical throttle body.
Background technique
The gas handling system of mechanical type throttle body mainly is to drive swing frame by the motion of controlling acceleration cable to rotate, throttle plate pin and throttle blade are rotated, and give automobile electronic fuel oil jet system central unit ECU with the aperture signal conveys of throttle blade by position transducer, ECU is according to vehicle working condition and sensor signal, the oil spout of control oil burner is to reach best chemically correct fuel; Simultaneously, when engine start, idling operation, ECU control step motor rotates, and adjusts the aperture of by-pass on the throttle body, with the air inlet of control motor when each operating mode.
At present, throttle body mostly adopts anti-riveting closure screw that throttle blade is installed on the throttle plate pin, causes the throttle plate pin distortion, and it is dumb to cause closure to rotate; Throttle body adopts integral structure mostly, but because of its internal structure complexity, causes processing difficulties, quality of processing not to ensure, exists the problem that influences idle stability because of quality of processing; Along with the oil supply growing tension, the automobile user cost increases gradually, energy saving, make full use of the energy and become trend of the times, and present throttle body is not realized the structure of this respect function.
The model utility content
The purpose of this utility model is to overcome the shortcoming of prior art, provide a kind of rational in infrastructure, idle stability good, a kind of separate mechanical throttle body of energy saving.
The purpose of this utility model is achieved through the following technical solutions: a kind of separate mechanical throttle body, it comprises tb, throttle plate pin, throttle blade, the swing frame assembly, torsion spring, stepper motor, idling valve seat and adsorption tube, tb is provided with the main passage, by-pass and adsorption tube passage, throttle plate pin by Bearing Installation on tb, throttle blade is installed on the throttle plate pin by Self-locking screw and is positioned at the main passage, the idling valve seat is installed on the tb by screw, the internal channel of idling valve seat is communicated with the formation bypass channel with the by-pass of tb, stepper motor is installed on the idling valve seat, and the head of stepper motor is positioned at the by-pass, adsorption tube is installed on the tb and is connected with body adsorption tube passage, described throttle plate pin one end extends outward outside the tb, and torsion spring and swing frame assembly are installed on the throttle plate pin outside stretching out tb successively.
On the described tb throttle position sensor is installed.
Described stretching out on the outer throttle plate pin of tb is with axle sleeve, and described torsion spring set is on axle sleeve, and torsion spring is a torsion spring, and torsion spring one end is fixed on the tb, and the other end is fixed on the swing frame assembly.
The tb of described idling valve seat opposite end is provided with support.
Be provided with sealing gasket between described tb and idling valve seat linkage structure.
The utlity model has following advantage:
1, throttle body of the present utility model adopts split type idle valve stand structure, the idling valve seat is installed on the tb by screw, the internal channel of idling valve seat is communicated with the formation bypass channel with the by-pass of tb, special structure design can directly be pumped into the tb by-pass by mould, both reduced operation, reduced difficulty of processing throttle body by-pass processing, satisfy the requirement of stepper motor again to the by-pass air flow, improve idle stability simultaneously, solved the problem of throttle body unstable idle speed.
2, throttle blade adopts Self-locking screw to be installed on the throttle plate pin, has both eliminated because of adopting the anti-riveting screw to make the throttle plate pin distortion cause throttle body to rotate inflexible phenomenon, has reduced the operation of anti-riveting screw on the assembly line again, has reduced cost.
3, integrated adsorption tube on the throttle body, this adsorption tube is connected with canister control valve on the automobile, behind the engine misses, gasoline vapor and fresh air are in in-tank mixing and be stored in the activated carbon canister, behind engine start, the electromagnetic valve that is contained between activated carbon canister and the intake manifold is opened, and the gasoline vapor in the activated carbon canister is brought into participation burning in the cylinder by clean air under the degree of vacuum effect of suction tude, so both reduce discharging, also reduced oil consumption.
Description of drawings
Fig. 1 is a stereogram of the present utility model
Fig. 2 is a plan view of the present utility model
Fig. 3 is the sectional structure chart of plan view of the present utility model along the A-A line
Fig. 4 is adsorption tube passage figure of the present utility model
Fig. 5 is by-pass figure of the present utility model
Among the figure, 1-tb, 2-throttle plate pin, the 3-throttle blade, 4-swing frame assembly, 5-torsion spring, the 6-stepper motor, 7-idling valve seat, 8-bearing, the 9-Self-locking screw, 10-adsorption tube, 11-position transducer, the 12-axle sleeve, 13-support, 14-sealing gasket, the 15-main passage, 16-by-pass, 17-adsorption tube passage.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of separate mechanical throttle body, it comprises tb 1, throttle plate pin 2, throttle blade 3, swing frame assembly 4, torsion spring 5, stepper motor 6, idling valve seat 7 and adsorption tube 10, and tb 1 is provided with main passage 15, by-pass 16 and adsorption tube passage 17.
As Fig. 3, throttle plate pin 2 is installed on the tb 1 by bearing 8, throttle blade 3 is installed on the throttle plate pin 2 by Self-locking screw 9 and is positioned at main passage 15, throttle plate pin 2 one ends extend outward outside the tb 1, be with axle sleeve 12 on the throttle plate pin 2 outside stretching out tb 1, torsion spring 5 is enclosed within on the axle sleeve 12, and an end is fixed on the tb 1, the other end is fixed on the swing frame assembly 4, and swing frame assembly 4 is installed on the throttle plate pin 2.
As Fig. 1, Fig. 2, Fig. 4, idling valve seat 7 is installed on the tb 1 by screw, the internal channel of idling valve seat 7 is communicated with the formation bypass channel with the by-pass 16 of tb 1, stepper motor 6 is installed on the idling valve seat 7, and the head of stepper motor 6 is positioned at by-pass 16, throttle position sensor 11 is installed on the tb 1, is provided with support 13 on the tb 1 of idling valve seat 7 opposite ends, support 13 is used for supporting steel-cable.Be provided with sealing gasket 14 between tb 1 and idling valve seat 7 linkage structures.
As Fig. 5, adsorption tube 10 is installed on the tb 1 and is connected with body adsorption tube passage 17, and the other end of adsorption tube 10 is used for being connected with canister control valve on the automobile.
Working procedure of the present utility model is as follows: when the driver depresses gas pedal, wire rope drives swing frame assembly 4 rotates throttle plate pin 2, throttle blade 3 is opened certain angle, position transducer 11 is delivered to central unit ECU to the aperture signal simultaneously, ECU is according to the signal emitter signal magnitude, the size of control oil burner fuel injection quantity is to reach best chemically correct fuel; When engine start, idling operation, ECU control step motor 6 rotates controls the aperture of bypass channel on the throttle body to adapt to the needed air inflow of engine idling condition.Behind the engine misses, gasoline vapor and fresh air enter activated carbon canister on the automobile by adsorption tube passage 17 and adsorption tube 10, in in-tank mixing and be stored in the activated carbon canister, behind engine start, the electromagnetic valve that is contained between activated carbon canister and the intake manifold is opened, gasoline vapor in the activated carbon canister is brought into participation burning in the cylinder by clean air under the degree of vacuum effect of suction tude, so both reduced discharging, has also reduced oil consumption.
Claims (5)
1. separate mechanical throttle body, it is characterized in that: it comprises tb (1), throttle plate pin (2), throttle blade (3), swing frame assembly (4), torsion spring (5), stepper motor (6), idling valve seat (7) and adsorption tube (10), tb (1) is provided with main passage (15), by-pass (16) and adsorption tube passage (17), throttle plate pin (2) is installed on the tb (1) by bearing (8), throttle blade (3) is installed on the throttle plate pin (2) by Self-locking screw (9) and is positioned at main passage (15), idling valve seat (7) is installed on the tb (1) by screw, the internal channel of idling valve seat (7) is communicated with the formation bypass channel with the by-pass (16) of tb (1), stepper motor (6) is installed on the idling valve seat (7), and the head of stepper motor (6) is positioned at by-pass (16), adsorption tube (10) is installed in tb (1) and upward is connected with body adsorption tube passage (17), described throttle plate pin (2) one ends extend outward outside the tb (1), and torsion spring (5) and swing frame assembly (4) are installed on the throttle plate pin (2) outside stretching out tb (1) successively.
2. a kind of separate mechanical throttle body according to claim 1 is characterized in that: throttle position sensor (11) is installed on the described tb (1).
3. a kind of separate mechanical throttle body according to claim 1, it is characterized in that: described stretching out on the outer throttle plate pin (2) of tb (1) is with axle sleeve (12), described torsion spring (5) is enclosed within on the axle sleeve (12), torsion spring (5) is a torsion spring, torsion spring (5) one ends are fixed on the tb (1), and the other end is fixed on the swing frame assembly (4).
4. a kind of separate mechanical throttle body according to claim 1 is characterized in that: the tb (1) of described idling valve seat (7) opposite end is provided with support (13).
5. a kind of separate mechanical throttle body according to claim 1 is characterized in that: be provided with sealing gasket (14) between described tb (1) and idling valve seat (7) linkage structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201629008U CN202081983U (en) | 2011-05-20 | 2011-05-20 | Split type mechanical throttle valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201629008U CN202081983U (en) | 2011-05-20 | 2011-05-20 | Split type mechanical throttle valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202081983U true CN202081983U (en) | 2011-12-21 |
Family
ID=45342615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201629008U Expired - Fee Related CN202081983U (en) | 2011-05-20 | 2011-05-20 | Split type mechanical throttle valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202081983U (en) |
-
2011
- 2011-05-20 CN CN2011201629008U patent/CN202081983U/en not_active Expired - Fee Related
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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: 20111221 Termination date: 20140520 |