CN203847255U - Throttle valve body - Google Patents
Throttle valve body Download PDFInfo
- Publication number
- CN203847255U CN203847255U CN201420113324.1U CN201420113324U CN203847255U CN 203847255 U CN203847255 U CN 203847255U CN 201420113324 U CN201420113324 U CN 201420113324U CN 203847255 U CN203847255 U CN 203847255U
- Authority
- CN
- China
- Prior art keywords
- throttle valve
- wire
- control unit
- throttle
- drawing wheel
- 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
Links
- 238000005491 wire drawing Methods 0.000 claims description 38
- 230000001133 acceleration Effects 0.000 claims description 25
- 239000000428 dust Substances 0.000 claims description 21
- 229920006351 engineering plastic Polymers 0.000 claims description 7
- 239000012783 reinforcing fiber Substances 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 239000004734 Polyphenylene sulfide Substances 0.000 description 4
- 229920000069 polyphenylene sulfide Polymers 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000006058 strengthened glass Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model has the objective to disclose a throttle valve body, which comprises a throttle valve subject, wherein a gas inlet channel is disposed inside the throttle valve subject; a throttle valve shaft which is perpendicularly disposed to the gas inlet channel; a throttle valve sheet which is embedded and fixed on the throttle valve shaft; a pull wire wheel fixed on one end of the throttle valve shaft; and a reset spring acting on the throttle valve shaft, wherein an electric control unit is disposed on the side of the throttle valve subject, a permanent magnet is disposed on one end of the throttle valve shaft close to the electric control unit, and the permanent magnet is concentric with the throttle valve shaft; and a Hall chip which senses the rotation angle of the magnetic field of the permanent magnet is welded on a circuit board close to the permanent magnet. In comparison with the prior art, the throttle valve body is characterized by the light and firm structure, no deformation in use, the compact structure, good maintenance, good manufacturability, applicability in separated manufacture and debugging of machines and electronic components, good reliability and long service life, to realize the objective of the utility model.
Description
Technical field
The utility model relates to a kind of throttle valve structure, particularly a kind of throttle body that is applicable to miniature gasoline engine electric-controlling injection system.
Background technique
Throttle body is for regulating the air inflow of petrol engine, throttle body comprise an inside have gas-entered passageway tb, the throttle plate pin vertical with gas-entered passageway, inlay and be fixed on throttle blade on throttle plate pin, be fixed on the wire-drawing wheel of throttle plate pin one end and act on the Returnning spring on throttle plate pin.
Existing throttle body, there are the following problems:
(1) mostly metal, consist of, structure is heavier;
(2) ECU (Electrical Control Unit) is separated with throttle body, and level of integration is low, is unfavorable for safeguarding;
(3) discrete throttle position sensor is installed on throttle body, size is large, poor reliability.
Above-mentioned these shortcomings are at miniature gasoline engine, such as application in motorcycle engine is especially outstanding.
For example, application number is that 201110032450.5 utility model patent has been announced a kind of plastic throttle valve body, comprise plastic casing, Returnning spring, throttle blade, the first tapping screw, throttle plate pin, bearing, spacing clamp, elongated slot, the first hanging feet, the parts such as the second hanging feet and insert of mounting hole, with the main difference of current conventional throttle body be to have replaced common aluminum alloy with plastics, in order to solve the strength problem of tapped hole, many inserts have been adopted, this scheme in use cannot solve the contraction problem producing in plastic injection-moulded process, and the creep problem in use producing, simultaneously above-mentioned problem (2) does not solve with problem (3).
And for example, application number is that 200410072018.9 utility application discloses a kind of all-in-one-piece throttle body, its main feature is that closure one side has an ECU (Electrical Control Unit) housing, include ECU (Electrical Control Unit) circuit board, although solved above-mentioned problem (2), be that level of integration is high, but find in process of production, this ECU (Electrical Control Unit) housing and throttle body have inseparable design feature, electronic unit and mechanical part can not be separated and manufacture and debugging, manufacturability is poor, and this design simultaneously can not solve the above problems (1) and problem (3).
Therefore, need especially a kind of throttle body, to solve the above-mentioned existing problem existing.
Model utility content
The purpose of this utility model is to provide a kind of throttle body, for the deficiencies in the prior art, has structure light and firm, indeformable in use, compact structure, maintainability is good, good manufacturability, is applicable to machinery and electronic unit and separates manufacture and debugging and long feature of good reliability life-span simultaneously.
The technical problem that the utility model solves can realize by the following technical solutions:
A throttle body, is characterized in that, it comprises: the tb that has the engineering plastics of reinforcing fiber to make by inner filling, and the inside of tb is provided with a gas-entered passageway; With the vertically disposed throttle plate pin of gas-entered passageway; Inlay and be fixed on the throttle blade on throttle plate pin; Be fixed on the wire-drawing wheel of throttle plate pin one end; And act on the Returnning spring on throttle plate pin; In the side of described tb, be provided with an ECU (Electrical Control Unit), described ECU (Electrical Control Unit) comprises an ECU (Electrical Control Unit) housing and for the circuit board of engine control, the plane of circuit board is vertical with the shaft axis of throttle plate pin, between ECU (Electrical Control Unit) housing and tb, by fastening piece, connects as one; At throttle plate pin, near one end of ECU (Electrical Control Unit), be provided with a permanent magnet, permanent magnet is concentric with throttle plate pin; The position approaching with permanent magnet on circuit board, is welded with the Hall chip of an induction magnetic field of permanent magnet angle of swing, and two outer surfaces that Hall chip is relative with permanent magnet are parallel and vertical with the shaft axis of throttle plate pin.
In an embodiment of the present utility model, two magnetic poles of homalographic and symmetrical S and N on described permanent magnet exterior edge face.
In an embodiment of the present utility model, a side of described tb is provided with a mounting flange, between described ECU (Electrical Control Unit) housing and mounting flange, by screw, is fastened as a whole mutually.
In an embodiment of the present utility model, on described circuit board, be welded with connector body, the relevant position of described ECU (Electrical Control Unit) housing is provided with window, and described connector body stretches out from described window.
In an embodiment of the present utility model, on the sidewall of described gas-entered passageway, be provided with first passage and second channel, on the exterior edge face of mounting flange, be provided with the groove with first passage and second channel UNICOM, in the locating slot of throttle plate pin, be connected with a clamp, and clamp covers on groove simultaneously, on clamp, offer valve opening, valve opening is positioned at groove top, one spool is embedded in valve opening and can in groove depth direction, does elevating movement, the diameter of spool and the width of groove are close, and the nose shape of spool matches with channel bottom shape.
In an embodiment of the present utility model, described tb one side is also provided with a wire-drawing wheel dust shield case, described wire-drawing wheel is shrouded within it in chamber, described wire-drawing wheel dust shield case is comprised of inner housing and frame two-part, inner housing and tb are wholely set, and frame is fastenedly connected and is integrated by screw and inner housing.
In an embodiment of the present utility model, on described wire-drawing wheel, be provided with a boss, on described boss, be provided with the spacing plane of idling and the spacing plane of maximum opening, on wire-drawing wheel dust shield case, be fixed with an inserts, idling aperture is installed in this inserts and adjusts screw, on wire-drawing wheel dust shield case, be also provided with maximum opening restriction boss.
In an embodiment of the present utility model, wire-drawing wheel dust shield case periphery is provided with an acceleration cable support, on acceleration cable support, be provided with acceleration cable mounting hole, the overcoat head of acceleration cable is fixed in acceleration cable mounting hole, acceleration cable stretches out and is looped around the groove of wire-drawing wheel from overcoat head, and the fixing pin of the head of acceleration cable is stuck in the pin-and-hole of wire-drawing wheel.
In an embodiment of the present utility model, the frame of described ECU (Electrical Control Unit) shell and wire-drawing wheel dust shield case is made by engineering plastics.
In an embodiment of the present utility model, described engineering plastics are polyphenylene sulfide (PPS), and described reinforcing fiber is glass fibre.
The beneficial effect of throttle body of the present utility model:
1, tb is made by engineering plastics, has alleviated the weight of throttle body; Adopt filling reinforcing fiber in plastics simultaneously, solved the contraction problem of plastics in course of working, and creep problem in use;
2, ECU (Electrical Control Unit) and tb are in use combined as a whole, and compact structure mounting process is good, and both are separated in process of production simultaneously, can realize electronic unit and produce and debugging with separating of mechanical part, and production technology is good;
3, adopt Hall element induction throttle position, not only realized noncontacting measurement, improved the life-span of sensor, simultaneously owing to being fixed on the permanent magnet of closure axle head, and only by magnetic field, contact between the Hall chip on circuit board, between there is no plug and line, reliability further improves, assembly process process further improves.
Throttle body of the present utility model, compared with prior art, has structure light and firm, indeformable in use, compact structure maintainability is good, simultaneously good manufacturability, be applicable to machinery and electronic unit and separate manufacture and debugging and long feature of good reliability life-span, realize the purpose of this utility model.
Feature of the present utility model can be consulted the detailed description of the graphic and following better mode of execution of this case and be obtained and be well understood to.
Accompanying drawing explanation
Fig. 1 is the structural representation of throttle body of the present utility model;
Fig. 2 is the structural representation of wire-drawing wheel dust shield case of the present utility model;
Fig. 3 is that the utility model is removed the ECU (Electrical Control Unit) forward schematic diagram of ECU (Electrical Control Unit) mounting flange face afterwards;
Fig. 4 is the circuit board connector socket of ECU (Electrical Control Unit) of the present utility model and the sectional view of window.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Embodiment
As depicted in figs. 1 and 2, throttle body of the present utility model, it comprises: tb 100, the inside of tb 100 is provided with a gas-entered passageway 200; With the vertically disposed throttle plate pin 300 of gas-entered passageway 200, throttle plate pin 300 is connected with tb 100 by bearing 110; In the middle of throttle plate pin 300, have gap, throttle blade 400 is inlayed wherein, and two screws 310 are fixed as one throttle blade 400 and throttle plate pin 300; Be fixed on the wire-drawing wheel 500 of throttle plate pin 300 one end; And acting on the Returnning spring 600 on throttle plate pin 300, Returnning spring 600 acts on throttle plate pin 300, makes throttle plate pin 300 be subject to all the time the reposition force of rotation direction idling aperture.
In the side of described tb 100, be provided with an ECU (Electrical Control Unit) 700, described ECU (Electrical Control Unit) 700 comprises an ECU (Electrical Control Unit) housing 710 and for the circuit board 720 of engine control, the inner embedding of ECU (Electrical Control Unit) housing 710 has electron pouring sealant 711, and electron pouring sealant 711 covering boards 720 and circuit board 720 planes are vertical with the shaft axis of throttle plate pin 300.
One side of described tb 100 is provided with a mounting flange 730, has four mounting holes 731 on mounting flange 730, by 4 screws 732, ECU (Electrical Control Unit) 700 and the mounting flange 730 on tb 100 is fastened as a whole.
As shown in figures 1 and 3, at throttle plate pin 300, near one end of ECU (Electrical Control Unit) 700, be fixed with a permanent magnet 740, permanent magnet 740 is concentric with throttle plate pin 300, permanent magnet 740 shapes are the circular piece with mesopore, permanent magnet 740, in advance by diametrical magnetization, forms S and two magnetic poles of N as shown in Figure 3, and these two magnetic poles are about Central Symmetry, area is equal, and permanent magnet 740 connects as one by a transition working of plastics 741 and throttle plate pin 300.The position approaching with permanent magnet 740 on circuit board 720, is welded with the Hall chip 750 of induction permanent magnet 740 magnetic field rotating angles, and the end face of Hall chip 750 is parallel with the exterior edge face of permanent magnet 740, and vertical with the shaft axis of throttle plate pin 300.
In work, the magnetic field penetration ECU (Electrical Control Unit) housing 710 of permanent magnet 740, act on Hall chip 750, when throttle plate pin 300 drives permanent magnet 740 rotation, the magnetic field acting on Hall chip 750 also rotates, its rotation angle information is surveyed by Hall chip 750, is used as throttle position signal and is transported to the master chip on circuit board 720.
As shown in Figure 2 and Figure 4, two connector bodies 760 are welded on circuit board 720 by contact pin 761, and the relevant position on the top of ECU (Electrical Control Unit) housing 710, has 770, two connector bodies 760 of two windows and stretch out from this window 770.
In work, the peripheral sensor signal of motor and VDD-to-VSS all pass through this connector body 760 inputs, and the driving signal of oil sprayer, igniting and oil pump is also by these connector body 760 outputs.
As depicted in figs. 1 and 2, on the sidewall of described gas-entered passageway 200, offer first passage 210 and second channel 220, be communicated with upstream chamber 230 and the downstream chamber 240 of gas-entered passageway 200 respectively.
As shown in Figure 3, in the exterior edge face of the mounting flange 730 of ECU (Electrical Control Unit) 700, have the groove 120 with first passage 210 and second channel 220 UNICOMs, one clamp 130 is stuck in the locating slot 310 of throttle plate pin 300, the thickness of clamp 130 coordinates with the width of locating slot 310, make throttle plate pin 300 obtain axially locating, clamp 130 is fixed on the mounting flange 730 of ECU (Electrical Control Unit) 700 by two tapping screws 131.Clamp 130 also covers on groove 120, makes first passage 210, groove 120, second channel 220 form a passage that connects upstream chamber 230 and downstream chamber 240.On clamp 130, have valve opening 132, valve opening 132 is positioned at groove 120 tops, and a spool 133 gos deep into valve opening 132, and the width of the diameter of spool 133 and groove 120 approaches, and spool 133 nose shapes match with groove 120 bottom shapes.The outermost of spool 133 has screw-driver mating groove 134, and stretch out from ECU (Electrical Control Unit) 700 exterior edge faces, middle part is screw thread, is also useful on the O type circle 135 of spool 133 sealings, have an inserts 136 to be embedded on ECU (Electrical Control Unit) housing 710, spool 133 is arranged on this inserts 136.
In use, by screw-driver rotary spool 133, spool 133 moves up and down at groove 120 depth directions, reaches the effect of controlling groove 120 circulation areas, realizes the object of the air mass flow that regulates idling operation.
As shown in figures 1 and 3, on the sidewall of gas-entered passageway 200, also have a mounting hole 250, one intake air temperature sensor 260 is installed wherein, the temperature-sensitive head of this intake air temperature sensor 260 stretches out and is exposed to upstream chamber 230 from mounting hole 250, and the leads ends of this intake air temperature sensor 260 is welded on the circuit board 720 of ECU (Electrical Control Unit) 700.
As shown in figures 1 and 3, on the exterior edge face of mounting flange 730, also have O type circle sealing mechanism, by O type ring recess and O type circle 733, formed, for preventing that outside dust and water from entering the gap between ECU (Electrical Control Unit) 700 and mounting flange 730.
As depicted in figs. 1 and 2, tb 100 1 sides are also provided with a wire-drawing wheel dust shield case 800, there is a wire-drawing wheel 500 one end of throttle plate pin 300, wire-drawing wheel 500 is shrouded in wire-drawing wheel dust shield case 800 inner chambers, wire-drawing wheel dust shield case 800 is comprised of inner housing 810 and frame 820 two-part, inner housing 810 wherein belongs to same moulding with tb 100, and frame 820 is separate component, by screw, through screw hole 830 and inner housing 810, is installed as one.
As depicted in figs. 1 and 2, on wire-drawing wheel 500, be provided with boss 510, on boss 510, there are the spacing plane 511 of idling and the spacing plane 512 of maximum opening, on wire-drawing wheel dust shield case 800, be embedded with inserts 840, idling aperture is installed in inserts 840 and adjusts screw 850, idling aperture is adjusted on screw 850 locking nut 851, is also provided with maximum opening restriction boss 860 on wire-drawing wheel dust shield case 800.
In use, the head 852 that idling aperture is adjusted screw 850 contacts with the spacing plane 511 of idling, can determine the idle position of throttle blade 400, maximum opening restriction boss 860 contacts with the spacing plane 512 of maximum opening, can determine the maximum opening of throttle blade 400.
In use, user adjusts by rotation idling aperture the idling aperture that screw 850 can change throttle blade 400, also can change the air quantity of engine idle.
Wire-drawing wheel dust shield case 800 peripheries are provided with an acceleration cable support 870, on acceleration cable support, be provided with two acceleration cable mounting holes 871, the overcoat head 872 of acceleration cable passes through in acceleration cable mounting hole 871, and fixing with acceleration cable support 870 by locking nut 873, acceleration cable 874 stretches out and is looped around the groove of wire-drawing wheel 500 from overcoat head 872, and the fixing pin 880 of the head of acceleration cable 874 is stuck in the pin-and-hole 520 of wire-drawing wheel 500.
In use, the acceleration cable 874 of both sides is used in conjunction with, when motor need to accelerate, the acceleration cable 874 of one side pulls out, and the acceleration cable 874 of opposite side is toward interior loosening, and wire-drawing wheel 500 clockwise rotates, throttle blade 400 apertures increase, and the air inflow of motor strengthens, and power increases; When needs slow down, above-mentioned action is contrary, and throttle blade 400 apertures reduce, and air input of engine by air reduces, and power reduces.
In the present embodiment, the frame 820 of tb 100, ECU (Electrical Control Unit) housing 710 and wire-drawing wheel dust shield case 800, is all to be made by engineering engineering plastics, and plastics inner is filled with reinforcing fiber, and concrete is the polyphenylene sulfide (PPS) that has strengthened glass fibre.
In the present embodiment, the spool 133 of idle hole is manual adjustment, there is feature simple and reliable for structure, also can adopt conventional in the market automatically controlled regulation scheme: spool 133 is connected on the moving iron of an electromagnet, or with a step motor shaft interlock (not expressing on figure), so just can regulate by the control signal of ECU (Electrical Control Unit) 700 air mass flow of idling.
On the circuit board 720 of ECU (Electrical Control Unit) 700, can also weld the sensor of an energy atmospheric sounding pressure, and connect (on figure, not expressing) by passage and intake duct.
On tb 100, can also mount the miscellaneous part of electric injection system, such as: suction tude, electric-controlled fuel injector, external pump, carbon tank valve and gasoline filtering etc.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall within the scope of claimed the utility model, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. a throttle body, is characterized in that, it comprises: the tb that has the engineering plastics of reinforcing fiber to make by inner filling, and the inside of tb is provided with a gas-entered passageway; With the vertically disposed throttle plate pin of gas-entered passageway; Inlay and be fixed on the throttle blade on throttle plate pin; Be fixed on the wire-drawing wheel of throttle plate pin one end; And act on the Returnning spring on throttle plate pin; In the side of described tb, be provided with an ECU (Electrical Control Unit), described ECU (Electrical Control Unit) comprises an ECU (Electrical Control Unit) housing and for the circuit board of engine control, the plane of circuit board is vertical with the shaft axis of throttle plate pin, between ECU (Electrical Control Unit) housing and tb, by fastening piece, connects as one; At throttle plate pin, near one end of ECU (Electrical Control Unit), be provided with a permanent magnet, permanent magnet is concentric with throttle plate pin; The position approaching with permanent magnet on circuit board, is welded with the Hall chip of an induction magnetic field of permanent magnet angle of swing, and two outer surfaces that Hall chip is relative with permanent magnet are parallel and vertical with the shaft axis of throttle plate pin.
2. throttle body as claimed in claim 1, is characterized in that, two magnetic poles of homalographic and symmetrical S and N on described permanent magnet exterior edge face.
3. throttle body as claimed in claim 1, is characterized in that, a side of described tb is provided with a mounting flange, between described ECU (Electrical Control Unit) housing and mounting flange, by screw, is fastened as a whole mutually.
4. the throttle body as described in claim 1 or 3, is characterized in that, on described circuit board, is welded with connector body, and the relevant position of described ECU (Electrical Control Unit) housing is provided with window, and described connector body stretches out from described window.
5. throttle body as claimed in claim 1, it is characterized in that, on the sidewall of described gas-entered passageway, be provided with first passage and second channel, on the exterior edge face of mounting flange, be provided with the groove with first passage and second channel UNICOM, in the locating slot of throttle plate pin, be connected with a clamp, and clamp covers on groove simultaneously, on clamp, offer valve opening, valve opening is positioned at groove top, one spool is embedded in valve opening and can in groove depth direction, does elevating movement, the diameter of spool and the width of groove are close, the nose shape of spool matches with channel bottom shape.
6. throttle body as claimed in claim 1, it is characterized in that, described tb one side is also provided with a wire-drawing wheel dust shield case, described wire-drawing wheel is shrouded within it in chamber, described wire-drawing wheel dust shield case is comprised of inner housing and frame two-part, inner housing and tb are wholely set, and frame is fastenedly connected and is integrated by screw and inner housing.
7. throttle body as claimed in claim 6, it is characterized in that, on described wire-drawing wheel, be provided with a boss, on described boss, be provided with the spacing plane of idling and the spacing plane of maximum opening, on wire-drawing wheel dust shield case, be fixed with an inserts, idling aperture is installed in this inserts and adjusts screw, on wire-drawing wheel dust shield case, be also provided with maximum opening restriction boss.
8. throttle body as claimed in claim 7, it is characterized in that, wire-drawing wheel dust shield case periphery is provided with an acceleration cable support, on acceleration cable support, be provided with acceleration cable mounting hole, the overcoat head of acceleration cable is fixed in acceleration cable mounting hole, acceleration cable stretches out and is looped around the groove of wire-drawing wheel from overcoat head, and the fixing pin of the head of acceleration cable is stuck in the pin-and-hole of wire-drawing wheel.
9. the throttle body as described in claim 1,3 or 6, is characterized in that, the frame of described ECU (Electrical Control Unit) shell and wire-drawing wheel dust shield case is made by engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420113324.1U CN203847255U (en) | 2014-03-13 | 2014-03-13 | Throttle valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420113324.1U CN203847255U (en) | 2014-03-13 | 2014-03-13 | Throttle valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847255U true CN203847255U (en) | 2014-09-24 |
Family
ID=51560281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420113324.1U Expired - Lifetime CN203847255U (en) | 2014-03-13 | 2014-03-13 | Throttle valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704001A (en) * | 2015-11-18 | 2017-05-24 | 石家庄益科创新科技有限公司 | Small piston type aero-engine air damper valve |
-
2014
- 2014-03-13 CN CN201420113324.1U patent/CN203847255U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704001A (en) * | 2015-11-18 | 2017-05-24 | 石家庄益科创新科技有限公司 | Small piston type aero-engine air damper valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Throttle Body Effective date of registration: 20201103 Granted publication date: 20140924 Pledgee: Zhejiang Rural Commercial Bank of China branch of Limited by Share Ltd. Pledgor: ZHEJIANG LANG JIE ELECTRONIC Co.,Ltd. Registration number: Y2020330000877 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220325 Granted publication date: 20140924 Pledgee: Zhejiang Rural Commercial Bank of China branch of Limited by Share Ltd. Pledgor: ZHEJIANG LANG JIE ELECTRONIC Co.,Ltd. Registration number: Y2020330000877 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
|
| CX01 | Expiry of patent term |