CN204704016U - A kind of EFI throttle-valve body of step motor control - Google Patents
A kind of EFI throttle-valve body of step motor control Download PDFInfo
- Publication number
- CN204704016U CN204704016U CN201520393907.9U CN201520393907U CN204704016U CN 204704016 U CN204704016 U CN 204704016U CN 201520393907 U CN201520393907 U CN 201520393907U CN 204704016 U CN204704016 U CN 204704016U
- Authority
- CN
- China
- Prior art keywords
- hole
- stepper motor
- throttle
- swivel base
- platform
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1035—Details of the valve housing
- F02D9/106—Sealing of the valve shaft in the housing, e.g. details of the bearings
Landscapes
- Transmission Devices (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
An EFI throttle-valve body for step motor control, comprises body, throttle blade, throttle plate pin, twist mechanism, limit swivel base, oil feeding mechanism, temperature and pressure transmitter, it is characterized in that: the delivery valve of oil feeding mechanism is impulse electromagnetic valve; The cam plate lower surface of limit swivel base is provided with shaft coupling blind hole, the rectangular boss upper surface of limit swivel base is provided with rectangle blind slot, and shaft coupling blind hole is fixedly connected with throttle plate pin; Rack platform is fixed on body by two screws; Rack platform is provided with one and walks through hole and two tapped holes; Orthogonal flat side's shape is offered in the main shaft outer end of stepper motor, stepper motor main shaft be inserted in rack platform walk through hole after its flat side move coordinate be inserted in limit swivel base rectangle blind slot in, stepper motor is fixed on rack platform by two bolts respectively.Stepper motor can, according to various accurate information regulation and control throttle blade aperture, realize full-automatic computer regulated, impulse electromagnetic valve energy fine adjustment fuel delivery.Reduce oil consumption and discharge value.
Description
Technical field:
The utility model relates to gasoline engine generator throttle-valve body, particularly a kind of EFI throttle-valve body of step motor control.
Background technique:
Chinese patent 201120135098.3 discloses a kind of improved motorbike electronic spray throttle valve body with temperature and pressure transmitter, and it is made up of the throttle blade in the cavity that body, body are arranged, cavity, the throttle plate pin of fixed knot bulla, twist mechanism; Twist mechanism is made up of the outer section axis body of throttle plate pin, torsion spring, limit swivel base, rope support, initial corner location adjusting device, hand is pulling rope support to rotate by mild steel rope, thus driving throttle plate pin, throttle blade to rotate, throttle blade aperture determines the air mass flow in cavity.Torsion spring is as throttle blade return spring.Is connected with rope support after the outer shaft part that throttle plate pin stretches out cavity is fixing with the through hole fit of limit swivel base, limit swivel base top to be the cam plate of a level, the center through hole of cam plate is fixedly connected with throttle plate pin injection molding type again; The downward flat cylinder of cam plate miner diameter end, two limited posts are provided with in the corresponding orientation of cavity, one of them limited post offers lateral threaded holes, an adjusting screw screws up wherein, the flat cylinder limited adjusting screw afterbody touched in one of them limited post and another limited post when rotated of position limit socket, can only at the two scope inside lock, the initial orientation of the adjustable limit swivel base of adjusting screw.It is characterized in that: on the wall of cavity outlet section chamber, offer a through hole as probe hole, described through hole to extend a sleeve pipe at the radial disjunctor of chamber outer wall, after the front-end probe fit of a temperature and pressure transmitter sonde body seal ring, elastic packing is inserted in described casing tube internal hole, and temperature and pressure transmitter is fixed on body.
The defect of this structure is: twist mechanism is operated stay cord by hand, and throttle plate pin rotation angle cannot carry out precise manipulation, and oil, gas proportions of ingredients can not reach the optimum state.
The EFI throttle-valve body of existing gasoline engine generator is made up of the throttle blade in body, cavity, cavity, throttle plate pin, twist mechanism, limit swivel base, oil feeding mechanism, temperature and pressure transmitter.Its twist mechanism is as above-mentioned patent same structure; Limit turning-stand structure for electric be outer shaft part that throttle plate pin stretches out cavity fixing with the through hole fit of limit swivel base after be connected with rope support again, limit swivel base top to be the cam plate of a level, the center through hole of cam plate is fixedly connected with throttle plate pin injection molding type; The downward flat cylinder of cam plate miner diameter end, two limited posts are provided with in the corresponding orientation of body, one of them limited post offers lateral threaded holes, an adjusting screw screws up wherein, the flat cylinder of position limit socket is limited when rotated to be touched in one of them limited post and another limited post adjusting screw afterbody, can only at the two scope inside lock, the initial orientation of the adjustable limit swivel base of adjusting screw.Temperature and pressure transmitter pressure transducer (or pressure transducer or temperature transducer) is arranged on body, detecting head stretches into cavity detected pressures or temperature, there is provided Detection Information to PLC central processing unit (CPU), after the information processing of PLC central processing unit (CPU), instruction oil feeding mechanism controls for solenoid open degree again.Oil feeding mechanism is made up of oil pump, oil duct, delivery valve, and delivery valve is that conventional solenoid valve fit is fixed on valve body fixed base that body is arranged, and solenoid valve oil outlet is communicated with cavity oil supply hole implements fuel feeding, and solenoid valve filler opening is communicated with oil pump by oil duct.So that fuel feeding forms mixed gas in chamber with air.
The defect of this structure is: twist mechanism throttle plate pin rotation angle equally can not precise manipulation, and for gasoline engine generator, requirement is higher, and fuel delivery cannot meticulously regulate, and cannot finely tune.
Summary of the invention:
The purpose of this utility model is to overcome above-mentioned defect, provides a kind of EFI throttle-valve body of step motor control.
Scheme of the present utility model is: comprise body, throttle blade, throttle plate pin, twist mechanism, limit swivel base, oil feeding mechanism, temperature and pressure transmitter, it is characterized in that: the delivery valve of oil feeding mechanism is impulse electromagnetic valve; The cam plate of limit swivel base does not establish center through hole, and a rectangular boss that cam plate lower surface is provided with shaft coupling blind hole, upper surface extends, rectangular boss upper surface are provided with rectangle blind slot, and described shaft coupling blind hole is fixedly connected with throttle plate pin upper end portion injection molding type; Support shape is the platform-like with two lower dome cylinders, is provided with step hole in lower dome cylinder, and the step hole that two screws are inserted in described rack platform respectively screws up in the boss tapped hole being fixed on the corresponding orientation of body, implements being fixedly connected with of support and body; Described rack platform is provided with walk through hole and two corresponding to throttle plate pin orientation and installs tapped holes; Orthogonal flat side's shape is offered in the main shaft outer end of stepper motor, stepping electric main shaft be inserted in rack platform walk through hole after its main shaft outer end flat side of rectangle move in the rectangle blind slot coordinating and be inserted in limit swivel base, two bolts screw up after being each passed through two fixing hangers on stepper motor cylindrical to be fixed in two installation tapped holes corresponding on rack platform implements being fixedly connected with of stepper motor.
The utility model has the advantage of: stepper motor can, according to various accurate information regulation and control throttle blade aperture, realize full-automatic computer regulated, impulse electromagnetic valve energy fine adjustment fuel delivery.Reduce oil consumption and discharge value
Accompanying drawing illustrates:
What Fig. 1 was patent described in background technique has hand the schematic perspective view of stay cord twist mechanism.
Fig. 2 is the utility model structural upright schematic diagram.
Fig. 3 is the utility model structural representation.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the C-C sectional view of Fig. 3.
Fig. 6 is the body plan view removing stepper motor, support.
Fig. 7 is the plan view of Fig. 3.
Fig. 8 is the B-B sectional view of Fig. 7.
Fig. 9 is limited swivel base installation position schematic perspective view.
Figure 10 is support installing orientation schematic perspective view.
Figure 11 is stepper motor schematic diagram.
Figure 12 is the left view of Fig. 9.
Embodiment:
The utility model structure comprises body 5, throttle blade 10, throttle plate pin 11, twist mechanism 1, oil feeding mechanism, temperature and pressure transmitter 2, it is characterized in that: the delivery valve of oil feeding mechanism is impulse electromagnetic valve 8; The cam plate of limit transposase 19 does not establish center through hole, and a rectangular boss that cam plate lower surface is provided with shaft coupling blind hole, upper surface extends, rectangular boss upper surface are provided with rectangle blind slot, and described shaft coupling blind hole is fixedly connected with throttle plate pin 11 upper end portion injection molding type; Support 4 shape is the platform-like with two lower dome cylinders, step hole is provided with in lower dome cylinder, the step hole that two screws are inserted in described support 4 platform respectively screws up in the boss tapped hole being fixed on the corresponding orientation of body 5, implements being fixedly connected with of support 4 and body 5; Described support 4 platform is provided with walk through hole and two corresponding to throttle plate pin 11 orientation and installs tapped holes; Orthogonal flat side's shape is offered in main shaft 31 outer end of stepper motor 3, electronic 3 main shafts 31 of stepping be inserted in support 4 platform walk through hole after the flat side of its main shaft 31 outer end rectangle move in the rectangle blind slot coordinating and be inserted in limit transposase 19, two bolts screw up after being each passed through two fixing hangers on stepper motor 3 cylindrical to be fixed in two installation tapped holes corresponding on support 4 platform implements being fixedly connected with of stepper motor 3.
The stepping PLC central processing unit (CPU) information input terminal of stepper motor 3 respectively with the rotary speed information output terminal of engine controller, the information output connection of temperature and pressure transmitter 2, the stepping PLC central processing unit (CPU) information output of stepper motor 3 respectively with the information input terminal connection of the keying power information input end of oil pump, the Pulse Width Control PLC central processing unit (CPU) of impulse electromagnetic valve 8.
The stepping PLC central processing unit (CPU) of stepper motor 3 regulates the aperture of throttle blade 10 according to the temperature of mixed gas air cavity in the chamber of engine rotational speed signal, temperature and pressure transmitter 2, pressure, the keying of control oil pump simultaneously and the gas supply amount of impulse electromagnetic valve 8 internal channel.By the parameter instruction running of setting, oil enters mixed air cavity by oil duct 7.Stepper motor 3 can carry out the opening angle of micro-accuracy controlling throttle blade 10 by instruction, this is that hand cannot be accomplished dragline type twist mechanism.
In chamber, the Automatic Control of the mixed gas delivery volume of fuel delivery, mixed gas proportional quantity, supply engine makes motor not only energy-conservation but also Effec-tive Function.
The flat cylinder of limit transposase 19 is limited when rotated to be touched in one of them limited post and another limited post adjusting screw 6 afterbody, can only at the two scope inside lock, the initial orientation of the adjustable limit swivel base of adjusting screw 6.Limit transposase 19 of the present invention is simultaneously again as the coupling of stepper motor 3 with throttle plate pin 11.
Claims (2)
1. the EFI throttle-valve body of a step motor control, comprise body (5), throttle blade (10), throttle plate pin (11), twist mechanism (1), oil feeding mechanism, temperature and pressure transmitter (2), it is characterized in that: the delivery valve of oil feeding mechanism is impulse electromagnetic valve (8); The cam plate of limit swivel base (9) does not establish center through hole, a rectangular boss that cam plate lower surface is provided with shaft coupling blind hole, upper surface extends, rectangular boss upper surface are provided with rectangle blind slot, and described shaft coupling blind hole is fixedly connected with throttle plate pin (11) upper end portion injection molding type; Support (4) shape is the platform-like with two lower dome cylinders, step hole is provided with in lower dome cylinder, the step hole that two screws are inserted in described support (4) platform respectively screws up in the boss tapped hole being fixed on body (5) corresponding orientation, implements being fixedly connected with of support (4) and body (5); Described support (4) platform is provided with walk through hole and two corresponding to throttle plate pin (11) orientation and installs tapped holes; Orthogonal flat side's shape is offered in main shaft (31) outer end of stepper motor (3), stepper motor (3) main shaft (31) be inserted in support (4) platform walk through hole after the flat side of its main shaft (31) outer end rectangle move cooperation and be inserted in the rectangle blind slot of limit swivel base (9), two bolts screw up after being each passed through two fixing hangers on stepper motor (3) cylindrical to be fixed in two installation tapped holes corresponding on support (4) platform implements being fixedly connected with of stepper motor (3).
2. the EFI throttle-valve body of a kind of step motor control according to claim 1, it is characterized in that: the stepping PLC central processing unit (CPU) information input terminal of stepper motor (3) respectively with the rotary speed information output terminal of engine controller, the information output connection of temperature and pressure transmitter (2), the stepping PLC central processing unit (CPU) information output of stepper motor (3) respectively with the information input terminal connection of the keying power information input end of oil pump, the Pulse Width Control PLC central processing unit (CPU) of impulse electromagnetic valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520393907.9U CN204704016U (en) | 2015-06-08 | 2015-06-08 | A kind of EFI throttle-valve body of step motor control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520393907.9U CN204704016U (en) | 2015-06-08 | 2015-06-08 | A kind of EFI throttle-valve body of step motor control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204704016U true CN204704016U (en) | 2015-10-14 |
Family
ID=54283639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520393907.9U Expired - Fee Related CN204704016U (en) | 2015-06-08 | 2015-06-08 | A kind of EFI throttle-valve body of step motor control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204704016U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879224A (en) * | 2015-06-08 | 2015-09-02 | 福建福鼎京科化油器有限公司 | Electronic-injection throttle valve controlled by step motor |
| WO2017085179A1 (en) * | 2015-11-19 | 2017-05-26 | Continental Automotive Gmbh | Electronic throttle |
-
2015
- 2015-06-08 CN CN201520393907.9U patent/CN204704016U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879224A (en) * | 2015-06-08 | 2015-09-02 | 福建福鼎京科化油器有限公司 | Electronic-injection throttle valve controlled by step motor |
| CN104879224B (en) * | 2015-06-08 | 2018-04-06 | 福建福鼎京科化油器有限公司 | A kind of EFI throttle-valve body of step motor control |
| WO2017085179A1 (en) * | 2015-11-19 | 2017-05-26 | Continental Automotive Gmbh | Electronic throttle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 355200 Zhongshan North Road, Fuding, Fujian Province, No. 71 Patentee after: FUJIAN JINGKE TECHNOLOGY CO.,LTD. Address before: 355200 Zhongshan North Road, Fuding, Fujian Province, No. 71 Patentee before: FUJIAN FUDING JINGKE CARBURETOR Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 |