CN202143329U - Adjusting device used for internal combustion engine - Google Patents
Adjusting device used for internal combustion engine Download PDFInfo
- Publication number
- CN202143329U CN202143329U CN201120114583U CN201120114583U CN202143329U CN 202143329 U CN202143329 U CN 202143329U CN 201120114583 U CN201120114583 U CN 201120114583U CN 201120114583 U CN201120114583 U CN 201120114583U CN 202143329 U CN202143329 U CN 202143329U
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- contact
- printed circuit
- circuit board
- housing
- motor
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Abstract
The utility model relates to an adjusting device used for an internal combustion engine. The adjusting device includes a housing. The housing is provided with a motor and a printed circuit board which is used to contain an electrical circuit part. The motor drives a driven shaft which is coupled with the adjusting mechanism via a transmission unit. In the housing, a cavity which is used to contain and fix the printed circuit board is arranged on an end which is opposite to the adjusting mechanism and is sealed via a cover. The cavity is separated from the transmission unit and the motor via a wall board. The wall board is provided with a blind hole. The end of the driven shaft opposite to the adjusting mechanism is supported in the blind hole. At the same time, the printed circuit board is provided with standard electric connection contact holes which are used to connect with contact tongues of a stamping grid, and the contact tongues are used for conductive contact connection, and under the condition that the number and the arrangement of the electric connection contact holes are kept unchanged, circuit parts of different numbers can be selected. Through the simple size matching of the housing and an adopted motor or a transmission device, the adjusting device can maintain the original manufacturing method. Besides, the heat insulation between the motor and the printed circuit board is realized.
Description
Technical field
The utility model relates to a kind of adjusting device that is used for internal combustion engine; It has housing; The printed circuit board of in said housing, having laid motor and being used to hold the circuit block of electronics, said motor drive the driven shaft that joins with the adjusting mechanism coupling through gear unit.
Background technology
This adjusting device for example is used to adjust control valve, choke valve, exhaust gas valve or loads the motion valve in internal combustion engine, and in a large amount of application documents, all is described.
Known a kind of adjusting device from DE10321653B3, in said adjusting device, motor is laid in the housing, and said motor has driving shaft, on said driving shaft, has laid and the turbine engaged worm.Said turbine is laid on the driven shaft of adjusting device and has two grooves that are used to hold two magnet, and said magnet keeps communicating by letter with noncontacting proximity sensor.Said noncontacting proximity sensor is laid on the printed circuit board, and said printed circuit board is laid in enclosure interior equally.The contacting of printed circuit board is realized through the lead in the housing that is laid in.
In addition, known a kind of adjusting device that is used for choke valve from EP1028239B1, in said adjusting device, a part and the noncontacting proximity sensor of annular magnet communicate, and wherein transducer and printed circuit board still are laid in the Transmission Room at this.
The shortcoming of this version is, printed circuit board, and therefore just circuit block is near motor and transmission mechanism, and this can cause heating and pollution problem.In addition, when the requiring of the structurally associated of user's change and power, gearratio or electronic unit, need design fully again, because must the space that be used for transducer and printed circuit board be configured fully again.
Summary of the invention
Therefore the utility model technical problem to be solved is, a kind of adjusting device that is used for internal combustion engine is provided, and said adjusting device can adapt to user's various requirement with minimum expense.In addition, should avoid heat to be delivered to printed circuit board and to prevent that printed circuit board is contaminated to greatest extent from motor.
This technical problem is to solve like this, in housing, with being laid in the mutually opposed end of adjusting mechanism and passing through the chamber that case seals; Be designed for and hold and fixing printed circuit board, said chamber separates through wallboard and gear unit and motor, wherein in said wallboard, is provided with blind hole; The opposed end of driven shaft and adjusting mechanism is supported in the said blind hole, and simultaneously, printed circuit board has the standardized contact holes that electrically connects; So that be connected with the contact tongue that is used for contact electricity connection punching press grid; At this moment, when the quantity that connects contact holes and structure remain unchanged, can select the circuit block of varying number.Reach the purpose that the motor of electronic unit and distribute heat is isolated in this way, and can irrespectively confirm its position and layout with the structure of printed circuit board in housing simultaneously.Therefore, under the constant situation of the structure that usually keeps adjusting device, the adjuster of the time control that not only can obtain to be convenient to assemble or do not have electronic controller, and can obtain to have the intelligent regulator of integrated electronic apparatus for adjusting position.In addition, through printed circuit board is laid in the separate chambers, prevented that this printed circuit board is contaminated.
Printed circuit board, the plug of outwards deriving and the conductive contact between the motor are connected, and preferably realize to the punching press grid in the housing through die casting.Therefore can said punching press grid be put into die casting and carry out die casting and seal, thereby guarantee to be placed in the housing regularly and need not to increase assembly process.Can also be in this way and method, make through changing the electrical connection contact that the punching press grid structure forms, be convenient to be complementary with various housings.In addition, can also identical punching press grid be applied to various uses with the printed circuit board that only structure is different.
In a kind of form of implementation that this is expanded, printed circuit board is fixed on the contact tongue of the punching press grid of being sealed by die casting that protrudes in housing through connecting contact holes by means of a kind of knife-edge clamping contacts, and realizes the conductive contact connection.Through using this knife-edge clamping contacts, abandoned and for example printed circuit board has been carried out other reinforcing through bolt.Accomplish from mechanically guaranteeing to be connected the manufacturing process with this with conductivity.
Circular or the annular magnet that preferably will radially be magnetized is laid in driven shaft and the opposed end of governor motion, said magnet be laid in printed circuit board on be used for identify angular noncontacting proximity sensor have being connected on the function.Guarantee the reliable position feedback with this, said position feedback is handled with contactless mode and is separated fully with motor and transmission mechanism compartment.When desired adjustment angle or version change, also needn't carry out the adjustment of aspect, position to magnet and transducer.
In a kind of form of implementation that this is expanded; Be designed to the driven gear and the driven shaft of gear unit all-in-one-piece; Wherein with driven shaft and the opposed end of adjusting mechanism; Be designed to hollow shaft, the ledge that design is extended vertically on the inwall of said hollow shaft, said ledge and the groove corresponding matching of design on annular magnet.In this way, just can confirm the position of magnet expediently in the time of can or making in assembling, thereby when setting maximum adjustment angle, can guarantee to make magnet to aim at terminal location to greatest extent with respect to driven shaft.This will make that the voltage that produces in the transducer can be differentiated to greatest extent linearly, and obtain more accurate angle-data with this.
In a kind of form of implementation that is used as alternative; Two rod magnet are laid in apart from one another by ground on the circumference of driven gear and the opposed vertically end of adjusting mechanism, and there be being connected on the function in they with the noncontacting proximity sensor that is used for identify angular on being laid in printed circuit board.Thus, not change the plain mode of all the other adjustment utensils, a kind of simple break-make adjuster is provided, in said break-make adjuster, magnet is used to the identification terminal position.
In the preferred form of implementation of another kind; Electric tools is useful on the contact tongue that conductive contact is connected, and in two initial ends of punching press grid, is provided with forked contact; With said forked contact and the die casting of punching press grid in housing; Wherein will contact in the gap that tongue is pressed into forked contact respectively, like this, between forked contact and contact tongue, produce a kind of elastic pre-tensioning power.Guarantee a kind of simple conductive contact connection in this way once more, refer between motor and the punching press grid here.At this, no matter from mechanically still on the conductivity, need not weld, soldering or bolt connect, and in an assembly process, obtains a kind of enough firm connection once more.
In a kind of form of implementation of expanding, be used as two of punching press grid contact tongues of earthing contact, from housing towards the utmost point tube side of motor to outstanding, and motor by in install in the housing after, cling on the utmost point pipe to strain.With this strain through the contact tongue, the earthing contact that forms a kind of antivibration connects.Also abandoned other assembly process at this.
In addition; If through giving the different built-in part of die change that is used for die cast; Can the alteration of form of housing be become, make it possible to, through the diameter of the number of teeth of gear or worm screw and power of electric motor and version are mated according to purposes; Can freely select the gearratio of gear unit, be favourable.Because the size of printed circuit board and connecting terminal and existing punching press grid have been determined; So can only change the driving member that adopted and the contact position of motor; Housing can be complementary with these parts expediently, needn't design again in addition being electrically connected contact or control section.
In another kind of form of implementation; Through giving the different built-in part of the die change be used for die cast and the shape of adjustment punching press grid; According to printed circuit board and with the existing connecting terminal of motor, can freely select different plug shapes and different plug numbers of poles.Because the punching press grid of choosing according to purposes and current needed number of poles; Though can change according to the intelligence of selected adjuster; But should as much as possible confirm contact position; The plug shape also can carried out integral type when making with same operation with housing, possesses the mode of changing built-in part and changes through under different requirement, changing compression mod, needn't be related to the parts modification in the design of position each other in addition.Therefore manufacturing and assembly method also are able to keep.
Draw a kind of adjusting device of modular construction thus; In said adjusting device; Needn't change assembling or manufacturing sequence; Just can on existing manufacturing line, satisfy different customer requirements with less expense, wherein only need to the mould that is used for die cast change built-in part fully accordingly or the punching press grid is adjusted.In addition, can make said adjusting device with less assembly process very expediently.The pollution of also having avoided the thermo-contact between motor and the electronic unit and having caused to printed circuit board by the actuator of adjusting device.
Description of drawings
Next embodiment shown in the drawings describes.
Fig. 1 illustrates the exploded view according to the 3-D view of the adjusting device with position feedback system of the utility model imagination.
Fig. 2 illustrates the 3-D view that has the housing parts that is electrically connected the contact.
Fig. 3 illustrates the more different design according to the printed circuit board of the device of the utility model imagination.
Fig. 4 illustrates the 3-D view according to the instance of the punching press grid of the adjusting device of the utility model imagination.
Embodiment
The adjusting device according to the utility model imagination shown in Fig. 1 is made up of the housing of two-piece type, and said housing comprises upper case portion 1 and lower house part 2, and they connect mutually through a kind of snap-on-connector 3 under confined state.In addition, housing parts 1,2 is carried out bonding, form the connection of sealing.In the inside of housing 1,2, laid motor 4, through said motor 4, drive driving shaft 5 with known method.On said driving shaft 5, worm screw 6 is laid between two starting plates 41, said starting plate 41 is supported in the corresponding grooves of housing 1,2.
The end 12 that driven shaft 9 is opposite; Be designed to hollow shaft in the present embodiment equally; Wherein on the inwall of said hollow shaft; Be provided with the ledge that extends vertically that does not illustrate, said ledge and groove 17 corresponding matching of design on the circular magnet that radially is magnetized 18, thus can confirm the position of circular magnet 18 by means of assembling with respect to gear 8.In this way, can also confirm the optimum position of magnet simultaneously, thereby can when the adjustment angle is restricted, utilize the zone that is linear as far as possible to carry out the angle location recognition with respect to adjusting mechanism 10.
As top further explain, axle 9 end 12 and circular magnet 18 are supported in the blind cylindrical hole 14.Extend towards the direction of chamber 19 end of axle 9, and said chamber 19 separates through wallboard 20 and the space that is laid with motor 4 and gear unit 7 fully.
In chamber 19, laid printed circuit board 21, said printed circuit board 21 is loaded with various circuit blocks 22, refers to noncontacting proximity sensor 23 in the present embodiment especially.Said noncontacting proximity sensor 23 and circular magnet 18 corresponding matching that radially are magnetized, said circular magnet 18 accurately is laid in the top of transducer 23 after being assembled into the position of setting.Through making magnet 18 motions by means of adjusting mechanism 10 or driven gear 8; In noncontacting proximity sensor 23, induce voltage in known manner, said voltage is used as the amount that the control unit outside or inside that is laid on the printed circuit board 21 is used to calculate the anglec of rotation.
In this form of implementation; Can make the printed circuit board 21 that for example from Fig. 3, identifies the most easily; Be equiped with various circuit blocks 22; Therefore and carry out position adjustments in adjusting device inside fully, perhaps the voltage of measuring transducer and data further are sent on the outside electronic position adjusting device only then.The device that it is also conceivable that pure time control does not perhaps have transducer and magnet, does not directly have conduction current electronically through ECU.
Through the knife-edge clamping contacts, printed circuit board 21 not only conduct electricity ground and also mechanically be fixed in the chamber 19.For this reason, printed circuit board has standardized connection contact holes 27, and said connection contact holes 27 irrespectively is laid in position constant on the printed circuit board all the time with the version of adjusting device.Printed circuit board 21 is being press fit into contact 28 last times of tongue, these have the contact tongue 28 of through hole at upper area, as from Fig. 4, coming into plain view, are compressed in this zone.After printed circuit board 21 being press fit into above the contact tongue 28, these contact tongues 28 are expanded in the zone at an upper portion thereof once more, the card printed circuit board arrangement that is fixed thereby the elastic pre-tensioning that passes through to be produced is tried hard to keep.In addition, in Fig. 2 of present embodiment, can find out, on wallboard 20, be provided with bearing-surface 29, said bearing-surface 29 has stoped printed circuit board 21 further on contact tongue 28, to move.
Contact tongue 28 is parts of the punching press grid 30 shown in Fig. 4.An initial side 31 of said punching press grid 30 extends to plug 31 from printed circuit board 21, and said plug and lower house part 21 are designed to all-in-one-piece.Side 32 through to the plug areas that is arranged in outside derivation of punching press grid 30 is carried out suitable moulding, can obtain various plug shapes through adjustment punching press grid 30 and housing 1,2.Preferably make the contact tongue 28 that leads to plug 31, next-door neighbour's plug 31 ground are laid, and like this, the conductor length of punching press grid 30 is reduced to minimum degree.
When making housing parts 2, with whole punching press grid 30 die casting in said housing parts 2.Be laid on the mutually opposed side 33 of printed circuit board 21 and be embedded into the contact tongue 28 in the connection contact holes 27 of printed circuit board 21, be used as contact ground and connect motor and supply with motor current.
At this, punching press grid 30 towards two ends that housing 1,2 is given prominence to, is designed to forked contact 34, through said forked contact 34, set up with the conductive contact that contacts tongue 35 of motor 4 and connect.The bottom of this forked contact 34 is sealed by die casting equally, thereby when inserting the contact tongue 35 of motor 4, obtains advantages of higher stability.Correspondingly, also needn't welding perhaps in order to be connected with motor 4 contacts in addition, soldering connects.
In addition, the punching press grid has two contact tongues 36 that are used for motor 4 ground connection, and they protrude in the plastics of housing parts 2 equally, and strain takes place when motor 4 is embedded into and is close on the utmost point pipe 37 of motor 4.By means of this strain, guarantee that a kind of earthing contact of antivibration connects.In addition, in Fig. 4, can find out, in punching press grid 30 and the zone that is attached thereto, lay equally by die casting and removing to disturb reactor 38 in the housing parts 2.
Obviously, when laying with contacting printed circuit board 21 with respect to driven shaft 9 so definitely, be used to make through change housing 1,2 die casting change built-in part and punching press grid fully, can change and adapt to various customer requirements.At this, the shape of housing 1,2 need only be complementary with motor 4 or applied gear unit 7.This is equally applicable to the structure of plug 31.Therefore, can use same all the time and make line.Keeping under the thick-and-thin condition of basic structure, the heat insulation and reliable contact that produces between printed circuit board and the motor connects.
Claims (8)
1. an adjusting device that is used for internal combustion engine has housing, the printed circuit board of in said housing, having laid motor and being used to hold the circuit block of electronics; Said motor drives the driven shaft that joins with the adjusting mechanism coupling through gear unit, it is characterized in that, at housing (1; 2) in; Be laid in and opposed end of adjusting mechanism (10) (12) and the chamber (19) through case (24) sealing, be designed to hold and fixing printed circuit board (21), said chamber (19) separates through wallboard (20) and gear unit (7) and motor (4); Wherein in said wallboard (20), be provided with blind hole (14); Driven shaft (9) with the opposed end of adjusting mechanism (10) (12), be supported in the said blind hole (14), simultaneously; Printed circuit board (21) has the standardized contact holes (27) that electrically connects; So that the contact tongue (28) of the punching press grid (30) logical with being used for conductive contact is connected, and this moment under the condition that the quantity and the layout of connection contact holes (27) remains unchanged, can select the circuit block (22) of varying number.
2. according to the described adjusting device that is used for internal combustion engine of claim 1; It is characterized in that; Conductive contact between printed circuit board (21), the plug (31) of outwards drawing and the motor (4) is connected, and realizes to the punching press grid (30) in the housing (1,2) through die casting.
3. according to the described adjusting device that is used for internal combustion engine of claim 2; It is characterized in that; Printed circuit board (21) is fixed on the contact tongue (28) of the punching press grid of being sealed by die casting that protrudes in housing (1,2) through connecting contact holes (27), and realizes the conductive contact connection.
4. according to the described adjusting device that is used for internal combustion engine of claim 1; It is characterized in that; With the circular or annular magnet (18) that radially is magnetized; Be laid in driven shaft (9) with the opposed end of adjusting mechanism (10) (12), there be being connected on the function in said magnet (18) with the noncontacting proximity sensor that is used for identify angular (23) on being laid in printed circuit board (21).
5. according to the described adjusting device that is used for internal combustion engine of claim 4; It is characterized in that; Be designed to all-in-one-piece with driven shaft (9) driven gear (8) of gear unit (7); Wherein with driven shaft (9) be designed to hollow shaft with the opposed end of adjusting mechanism (10) (12), on the inwall of said hollow shaft, be provided with vertically the ledge that extends, said ledge and groove (17) corresponding matching of design on circular magnet (18).
6. according to the described adjusting device that is used for internal combustion engine of claim 1; It is characterized in that; Two rod magnet driven gear (8) with the opposed vertically end of adjusting mechanism (10); By being laid on the circumference apart from one another by ground, there be being connected on the function in they with the noncontacting proximity sensor that is used for identify angular (23) on being laid in printed circuit board (21).
7. according to the described adjusting device that is used for internal combustion engine of claim 1; It is characterized in that; Motor (4) has and is used for the contact tongue (35) that conductive contact is connected, and on two initial ends of punching press grid (30), is provided with forked contact (34), with said forked contact (34) and punching press grid (30) die casting in housing; Wherein contact tongue (35) and be pressed into respectively in the gap of forked contact (34), thereby between forked contact (34) and contact tongue (35), produce a kind of flexible pretension.
8. according to the described adjusting device that is used for internal combustion engine of claim 1; It is characterized in that; Two contact tongues (36) that are used as earthing contact of punching press grid (30), utmost point pipe (37) direction towards motor (4) from housing is outstanding, and motor (4) is being encased in housing (1; 2) after in, be close to strain said utmost point pipe (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120114583U CN202143329U (en) | 2011-04-19 | 2011-04-19 | Adjusting device used for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120114583U CN202143329U (en) | 2011-04-19 | 2011-04-19 | Adjusting device used for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202143329U true CN202143329U (en) | 2012-02-08 |
Family
ID=45554364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120114583U Expired - Fee Related CN202143329U (en) | 2011-04-19 | 2011-04-19 | Adjusting device used for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202143329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112204356A (en) * | 2018-07-13 | 2021-01-08 | 株式会社三国 | Detection device |
-
2011
- 2011-04-19 CN CN201120114583U patent/CN202143329U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112204356A (en) * | 2018-07-13 | 2021-01-08 | 株式会社三国 | Detection device |
| US20210211013A1 (en) * | 2018-07-13 | 2021-07-08 | Mikuni Corporation | Detection device |
| US11955869B2 (en) | 2018-07-13 | 2024-04-09 | Mikuni Corporation | Detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20170419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |