CN203189126U - Electronic throttle body and reset gear - Google Patents
Electronic throttle body and reset gear Download PDFInfo
- Publication number
- CN203189126U CN203189126U CN 201320176413 CN201320176413U CN203189126U CN 203189126 U CN203189126 U CN 203189126U CN 201320176413 CN201320176413 CN 201320176413 CN 201320176413 U CN201320176413 U CN 201320176413U CN 203189126 U CN203189126 U CN 203189126U
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- Prior art keywords
- gear
- spring
- reseting
- cavity
- spring seat
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- 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 an electronic throttle body which comprises a throttle shell body, a reset gear, a spring, and a throttle shaft. The throttle shell body comprises a reset cavity body. A shaft hole is formed in the bottom of the reset cavity body. A convex rib is arranged on the side wall in the axial direction of the reset cavity body. The reset gear comprises a gear portion, a spring seat and a spring baffle block, wherein the spring seat and the spring baffle block are fixed at the lower end of the gear portion at interval, the gear portion is placed on the outer edge of the upper end of the reset cavity body, the spring seat, the spring baffle block and the spring are placed in the reset cavity body, the spring is arranged outside the spring seat in a sleeved mode, and the upper end and the lower end of the spring are respectively provided with a torsion arm. When the reset gear is located at the initial position, the convex rib is aligned with the spring baffle block, circumferential relative positions of the two torsion arms are exchanged, and the two torsion arms are hooked to the left side and the right side of the spring baffle block respectively and hooked to the left side and the right side of the convex rib respectively. The utility model further discloses the reset gear. The electronic throttle body and the reset gear can enable an emergency reset system of the electronic throttle body to be simple in structure, convenient to install, and low in manufacturing cost.
Description
Technical field
The utility model relates to throttle body, particularly a kind of electronic air throttle body and reseting gear.
Background technique
Chinese patent application 201010135076.7 discloses a kind of petrol engine electronic air throttle body, as scheme l to shown in Figure 6, first make contact 13 is that the reseting gear fan shaped borehole is when the closure default location and the point of contact of coupling ring, second point of contact 16 is that the reseting gear fan shaped borehole is when the closure full close position and the point of contact of coupling ring, first hanging feet 19 is that the coupling spring hangs over the hanging feet on the reseting gear, second hanging feet 20 is that the coupling spring hangs over the hanging feet on the coupling ring, closure valve block 2 insert in the groove of throttle plate pins 3 and with closure housing l Spielpassung, throttle plate pin 3 is connected with bearing 4 rollings.Turn round arm and hang on first hanging feet 19 for one of coupling spring 6, another is turned round arm and hangs on second hanging feet 20, reseting gear 14 rotates under the effect of coupling spring 6 fan-shaped bump of coupling ring 17 is contacted with first make contact 13, and coupling ring leg 10 withstands on the adjusting screw 11, is used for adjusting the full cut-off leakage rate.Turn round arm for one of Returnning spring 5 and hang on the closure housing l, another is turned round arm and hangs on the coupling ring 17.When closure need be closed from default location, direct current generator 27 drove reseting gear 14 by intermediate gear 7 and rotates the torsion that overcomes coupling spring 6, and the fan-shaped bump of coupling ring 17 is contacted with second point of contact 16, had namely arrived throttle body machinery lower dead center.Returnning spring 5 waits under other improper factor situation in direct current generator 27 outages with coupling spring 6 and makes throttle body get back to the default location of throttle body, in order to prevent line broken circuit or direct current generator fault when infringement, control system of electronic throttle valve is to direct current generator effect out of hand, then this moment first, thereby hanging feet 19 can drive the certain angle of closure unlatching by pulling reseting gear 14, just arrived emergency position.Reseting gear 14, coupling ring 17, coupling spring 6, throttle plate pin assembly 12, Returnning spring 5 constitute the EMR emergency reset system.
Direct current generator 27 is located and is fixed on the closure housing l by motor pressing plate 26, and motor gear 8 and intermediate gear 7 engagements, and intermediate gear 7 drives reseting gears 14 and rotates.Direct current generator 27 cooperates with motor pressing plate 26 endoporus, and two contact copper sheets 25 just pass from two holes of motor pressing plate 26, pack into then in the closure housing l, tighten with fastening screw trip bolt.
This petrol engine electronic air throttle body, the non-contact sensor of integrated executive component direct current generator, angular position detection, reduction gear, EMR emergency reset system unit etc., control system of electronic throttle valve is after detecting the angle signal that angular position sensor gives, the signal of comprehensive related sensor carries out best throttle opening and judges, and output control signal, control choke actuating unit (direct current generator), direct current generator drives reseting gear by intermediate gear and rotates, and throttle body is adjusted to suitable aperture.Throttle body by default, the closure valve block the coupling spring effect under make reseting gear rotate an angle, this moment coupling ring 17 fan-shaped bump contact with first make contact 13.Because reseting gear 14 welds together with throttle plate pin assembly 12, closure valve block 2 is inserted in the groove of throttle plate pin 3, connects with screw between the two, and when throttle plate pin 3 rotated, closure valve block 2 was followed rotation, envoy's valve opening or close.When throttle body need be opened, direct current generator drove reseting gear by intermediate gear and rotates, and this moment, the closure valve block was opened, and was in mechanically stop to throttle body, the throttle body standard-sized sheet.When closure need be closed from default location, direct current generator drove the active force that the intermediate gear drives reseting gear overcomes the coupling spring and rotates, and when the fan-shaped bump of coupling ring 17 contacts with second point of contact 16, reached full close position, i.e. mechanical lower dead center.
The EMR emergency reset assembly of this petrol engine electronic air throttle body comprises reseting gear 14, coupling ring 17, coupling spring 6, throttle plate pin assembly 12, Returnning spring 5, and complex structure is installed inconvenience, the manufacture cost height.
The model utility content
The technical problems to be solved in the utility model is the EMR emergency reset system that makes electronic air throttle body, and is simple in structure, easy for installation, low cost of manufacture.
For solving the problems of the technologies described above, the electronic air throttle body that the utility model provides comprises closure housing, reseting gear, spring, throttle plate pin;
Described closure housing comprises the cavity that resets;
The described cavity that resets, an axis hole is arranged at the bottom, and sidewall has a convex tendon vertically;
Described reseting gear comprises gear part, spring seat, spring block;
Described spring seat, for cylindric, the upper end is fixed on described gear part lower end;
Described spring block, upper end are fixed on described gear part lower end, and with having between described spring seat at interval;
Described throttle plate pin, upper end penetrate in the cylindric spring seat and are fixed on the described gear part, and the lower end passes the axis hole of the described cavity bottom that resets;
Described gear part, spring seat, throttle plate pin coaxial line;
Described gear part is placed on the closure housing at the described place, outer, cavity upper end that resets;
Described spring seat, spring block, spring are placed in the described cavity that resets;
Described spring is set in outside the described spring seat, and passes described spring block with the interval between described spring seat;
Described spring, arm is respectively turned round at two ends up and down;
Reseting gear is when initial position, the convex tendon of described reseting cavity body sidewall is in alignment with described spring block, described spring circumferentially tightens and make up and down, and the two circumferential relative positions of turning round arm at two ends replace, two of two ends turn round arm and be hooked in the described spring block left and right sides respectively up and down, and be hooked in the convex tendon left and right sides of the sidewall of the described cavity that resets respectively.
Preferable, the gear part of described reseting gear is tooth sector;
The closure housing at the described place, outer, cavity upper end that resets is provided with stop block, following stop block;
Reseting gear is when initial position, and its gear part is between last stop block and following stop block.
Preferable, described electronic air throttle body also wraps direct current generator, intermediate gear;
Described closure housing also comprises a motor cavity;
Described motor cavity is adjacent to the described cavity that resets;
Described direct current generator is placed in the described motor cavity;
Described intermediate gear, with the engagement of the output shaft gear of described direct current generator, and with the gear part engagement of described reseting gear.
Preferable, described intermediate gear is coaxially arranged with driving gear, driven gear;
The diameter of described driving gear is greater than the diameter of described driven gear;
Described driving gear is with the output shaft gear engagement of described direct current generator;
Described driven gear is with the gear part engagement of described reseting gear.
For solving the problems of the technologies described above, the utility model also provides a kind of reseting gear, and it comprises gear part, spring seat, spring block;
Described spring seat, for cylindric, the upper end is fixed on described gear part lower end;
Described spring block, upper end are fixed on described gear part lower end, and with having between described spring seat at interval;
Preferable, the gear part of described reseting gear is tooth sector.
Electronic air throttle body of the present utility model, minimum needs reseting gear of its EMR emergency reset system, spring, throttle plate pin, spring of minimum needs can be realized the two-way rotation of reseting gear, and is simple in structure, easy for installation, low cost of manufacture.
Description of drawings
In order to be illustrated more clearly in the technical solution of the utility model, below the accompanying drawing of the required use of the utility model is done simple the introduction, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is that the closure housing of existing a kind of petrol engine electronic air throttle body is to the structural representation of the spring that is coupled;
Fig. 2 is that the intermediate gear of existing a kind of petrol engine electronic air throttle body is to the structural representation of adjusting screw;
Fig. 3 is that the throttle plate pin assembly of existing a kind of petrol engine electronic air throttle body is to the structural representation of axial limiting plate;
Fig. 4 is first hanging feet of existing a kind of petrol engine electronic air throttle body and the structural representation of second hanging feet;
Fig. 5 is that the direct current generator jack of existing a kind of petrol engine electronic air throttle body is to the structural representation of shoulder guard;
Fig. 6 is that the contact copper sheet of existing a kind of petrol engine electronic air throttle body is to the structural representation of direct current generator;
Fig. 7 is the electronic air throttle body one embodiment's of the present utility model schematic representation of reseting gear when initial position;
Fig. 8 is the schematic representation of electronic air throttle body one embodiment's of the present utility model reseting gear when turning right;
Schematic representation when Fig. 9 electronic air throttle body one embodiment's of the present utility model reseting gear turns left.
Embodiment
Below in conjunction with accompanying drawing, the technological scheme in the utility model is carried out clear, complete description, obviously, described embodiment is a part of embodiment of the present utility model, rather than whole embodiments.Based on the embodiment in the utility model, all other embodiments that those of ordinary skills obtain under the prerequisite of not making creative work belong to the scope that the utility model is protected.
Embodiment one
Electronic air throttle body as shown in Figure 7, comprises closure housing 1, reseting gear, spring 31, throttle plate pin;
Described closure housing 1 comprises the cavity that resets;
The described cavity that resets, an axis hole is arranged at the bottom, and sidewall has a convex tendon 11 vertically;
Described reseting gear comprises gear part, spring seat 21, spring block 22;
Described spring seat 21, for cylindric, the upper end is fixed on described gear part lower end;
Described spring block 22, upper end are fixed on described gear part lower end, and have at interval with 21 of described spring seats;
Described throttle plate pin, upper end penetrate in the cylindric spring seat 21 and are fixed on the described gear part, and the lower end passes the axis hole of the described cavity bottom that resets;
Described gear part, spring seat 21, throttle plate pin coaxial line;
Described gear part is placed on the closure housing 1 at the described place, outer, cavity upper end that resets;
Described spring seat 21, spring block 22, spring 31 are placed in the described cavity that resets;
Described spring 31 is set in outside the described spring seat 21, and passes described spring block 22 with the interval of 21 of described spring seats;
Described spring 31, arm 311 is respectively turned round at two ends up and down;
Reseting gear is when initial position, as shown in Figure 7, the convex tendon 11 of described reseting cavity body sidewall is in alignment with described spring block 22, described spring 31 circumferentially tightens and makes two of two ends up and down to turn round the circumferential relative positions transposition (with respect to two of two ends turning round arm 311 at circumferential relative position up and down under spring 31 natures) of arm 311, two of two ends turn round arm 311 and be hooked in described spring block 22 left and right sides respectively up and down, and be hooked in convex tendon 11 left and right sides of the sidewall of the described cavity that resets respectively.
Embodiment one electronic air throttle body, as shown in Figure 7, reseting gear spring 31 when initial position is in the pretension state, is fixed between the engine intake passage of closure valve block on the throttle plate pin and closure housing and leaves primary clearance; As shown in Figure 8, when reseting gear is driven the torsion that overcomes spring 31 when clockwise rotating, first end of described spring 31 is hooked in convex tendon 11 right sides of the sidewall of the described cavity that resets as spring fixed end, second end of described spring 31 clockwise rotates with reseting gear as the left side that the spring round end is hooked in described spring block 22, thereby makes the gap between the engine intake passage of the closure valve block that is fixed on the throttle plate pin and closure housing increase (or reducing); As shown in Figure 9, when reseting gear is driven the torsion that overcomes spring when rotating counterclockwise, second end of described spring is hooked in convex tendon 11 left sides of the sidewall of the described cavity that resets as spring fixed end, first end of described spring is hooked in described spring block 22 as the spring round end right side with reseting gear to moving counterclockwise, thereby make the gap between the engine intake passage of the closure valve block that is fixed on the throttle plate pin and closure housing reduce (or increase); When reseting gear is not driven, because of spring two the turning round torsion that the circumferential relative positions transposition of arm 311 produces and make described spring block 22 return to corresponding position, position with the convex tendon 11 of described reseting cavity body sidewall of two ends about in the of 3, spring 31 is returned to the pretension state, realizes resetting of throttle opening.
Embodiment one electronic air throttle body, minimum needs reseting gear of its EMR emergency reset system, spring, throttle plate pin, spring of minimum needs can be realized the two-way rotation of reseting gear, and is simple in structure, easy for installation, low cost of manufacture.
Embodiment two
Based on embodiment one, the gear part of described reseting gear is tooth sector;
The closure housing at the described place, outer, cavity upper end that resets is provided with stop block, following stop block;
Reseting gear is when initial position, and its gear part is between last stop block and following stop block;
Driven when being fixed on the engine intake passage full cut-off of the closure valve block envoy valve housing on the throttle plate pin when reseting gear drives the torsion that overcomes spring, the gear part of reseting gear abuts to described stop block down; Driven when being fixed on the engine intake passage standard-sized sheet of the closure valve block envoy valve housing on the throttle plate pin when reseting gear drives the torsion that overcomes spring, the gear part of reseting gear abuts to the described stop block of going up.
Embodiment two electronic air throttle body can accurately be controlled the full cut-off of engine intake passage and the air inflow of standard-sized sheet.
Embodiment three
Based on embodiment two, described electronic air throttle body also wraps direct current generator, intermediate gear;
Described closure housing also comprises a motor cavity;
Described motor cavity is adjacent to the described cavity that resets;
Described direct current generator is placed in the described motor cavity;
Described intermediate gear, with the engagement of the output shaft gear of described direct current generator, and with the gear part engagement of described reseting gear.The output shaft gear of direct current generator meshes with described intermediate gear.
Preferable, described intermediate gear is provided with driving gear, driven gear simultaneously;
The diameter of described driving gear is greater than the diameter of described driven gear;
Described driving gear is with the output shaft gear engagement of described direct current generator;
Described driven gear is with the gear part engagement of described reseting gear.
Embodiment three electronic air throttle body, adjacent motor cavity and the cavity that resets of arranging on the closure housing, the compact structure between the direct current generator of electronic air throttle body and EMR emergency reset system energy.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the scope of the utility model protection.
Claims (6)
1. an electronic air throttle body is characterized in that, comprises closure housing, reseting gear, spring, throttle plate pin;
Described closure housing comprises the cavity that resets;
The described cavity that resets, an axis hole is arranged at the bottom, and sidewall has a convex tendon vertically;
Described reseting gear comprises gear part, spring seat, spring block;
Described spring seat, for cylindric, the upper end is fixed on described gear part lower end;
Described spring block, upper end are fixed on described gear part lower end, and with having between described spring seat at interval;
Described throttle plate pin, upper end penetrate in the cylindric spring seat and are fixed on the described gear part, and the lower end passes the axis hole of the described cavity bottom that resets;
Described gear part, spring seat, throttle plate pin coaxial line;
Described gear part is placed on the closure housing at the described place, outer, cavity upper end that resets;
Described spring seat, spring block, spring are placed in the described cavity that resets;
Described spring is set in outside the described spring seat, and passes described spring block with the interval between described spring seat;
Described spring, arm is respectively turned round at two ends up and down;
Reseting gear is when initial position, the convex tendon of described reseting cavity body sidewall is in alignment with described spring block, described spring circumferentially tightens and make up and down, and the two circumferential relative positions of turning round arm at two ends replace, two of two ends turn round arm and be hooked in the described spring block left and right sides respectively up and down, and be hooked in the convex tendon left and right sides of the sidewall of the described cavity that resets respectively.
2. electronic air throttle body according to claim 1 is characterized in that,
The gear part of described reseting gear is tooth sector;
The closure housing at the described place, outer, cavity upper end that resets is provided with stop block, following stop block;
Reseting gear is when initial position, and its gear part is between last stop block and following stop block.
3. electronic air throttle body according to claim 2 is characterized in that,
Described electronic air throttle body also wraps direct current generator, intermediate gear;
Described closure housing also comprises a motor cavity;
Described motor cavity is adjacent to the described cavity that resets;
Described direct current generator is placed in the described motor cavity;
Described intermediate gear, with the engagement of the output shaft gear of described direct current generator, and with the gear part engagement of described reseting gear.
4. electronic air throttle body according to claim 3 is characterized in that,
Described intermediate gear is coaxially arranged with driving gear, driven gear;
The diameter of described driving gear is greater than the diameter of described driven gear;
Described driving gear is with the output shaft gear engagement of described direct current generator;
Described driven gear is with the gear part engagement of described reseting gear.
5. a reseting gear is characterized in that, comprises gear part, spring seat, spring block;
Described spring seat, for cylindric, the upper end is fixed on described gear part lower end;
Described spring block, upper end are fixed on described gear part lower end, and with having between described spring seat at interval.
6. reseting gear according to claim 5 is characterized in that,
The gear part of described reseting gear is tooth sector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320176413 CN203189126U (en) | 2013-04-10 | 2013-04-10 | Electronic throttle body and reset gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320176413 CN203189126U (en) | 2013-04-10 | 2013-04-10 | Electronic throttle body and reset gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189126U true CN203189126U (en) | 2013-09-11 |
Family
ID=49105992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320176413 Expired - Lifetime CN203189126U (en) | 2013-04-10 | 2013-04-10 | Electronic throttle body and reset gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189126U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089450A (en) * | 2016-08-23 | 2016-11-09 | 无锡隆盛科技股份有限公司 | A kind of resetting-mechanism of electronic throttle |
| CN109611219A (en) * | 2019-01-15 | 2019-04-12 | 上海奥众汽车部件制造有限公司 | A kind of electronic air throttle body resetting-mechanism |
| EP3913202A4 (en) * | 2019-01-15 | 2022-03-16 | Shanghai Auzone Auto Parts Manufacturing Co., Ltd | Reset mechanism for electronic throttle body |
-
2013
- 2013-04-10 CN CN 201320176413 patent/CN203189126U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089450A (en) * | 2016-08-23 | 2016-11-09 | 无锡隆盛科技股份有限公司 | A kind of resetting-mechanism of electronic throttle |
| CN109611219A (en) * | 2019-01-15 | 2019-04-12 | 上海奥众汽车部件制造有限公司 | A kind of electronic air throttle body resetting-mechanism |
| EP3913202A4 (en) * | 2019-01-15 | 2022-03-16 | Shanghai Auzone Auto Parts Manufacturing Co., Ltd | Reset mechanism for electronic throttle body |
| CN109611219B (en) * | 2019-01-15 | 2023-12-15 | 上海奥众汽车部件制造有限公司 | Reset mechanism for electronic throttle body |
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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: 20130911 |
|
| CX01 | Expiry of patent term |