CN1061413C - Device for the common electrical contacting of a plurality of electrically excitable aggregates of internal combustion engines - Google Patents
Device for the common electrical contacting of a plurality of electrically excitable aggregates of internal combustion engines Download PDFInfo
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- CN1061413C CN1061413C CN95102681A CN95102681A CN1061413C CN 1061413 C CN1061413 C CN 1061413C CN 95102681 A CN95102681 A CN 95102681A CN 95102681 A CN95102681 A CN 95102681A CN 1061413 C CN1061413 C CN 1061413C
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- injection valve
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Abstract
The present invention relates to a device used for commonly electrically connecting multiple electric excitation devices of an internal combustion engine. The volume of a printed circuit board (1), a casing (3) and a plug (7) of the present invention is small. Additional parts do not need to be added to the printed circuit board (1), the casing (3) and the plug (7) so that a fuel injection valve (2) is directly connected with the printed circuit board (1) through a conductive rod of the present invention; the plug (7) does not need to be on the same plane with the circuit board (1) or is not completely on the same plane with the circuit board (1), and therefore, the present invention only has a small height when view in the extension direction of the fuel injection valve (2). The present invention is especially suitable for common electric connection as for the electromagnetically controlled fuel injection valve.
Description
The present invention relates to a kind of electro-magneto fuel injector door of a plurality of electric excitation devices, particularly internal-combustion engine that makes and realize the device that common electricity is connected.
Disclose a kind of like this device among the US-PS4950171, its adopts a printed circuit board (PCB) to realize that the electricity of fuel injection valve for internal combustion engines door connects, and these valves are contained in the housing, and this printed circuit board (PCB) is clipped between a upper shell and the lower shell body.It is to realize that by the taper fingertip in the hole of printed circuit board (PCB) they rabbet two electric-conducting stems of each injection valve that electricity is connected.This printed circuit board (PCB) tail end has a plug-in connection device, and the control signal of external control unit is sent into this printed circuit board (PCB) by this plug-in connection device, and drives injection valve.In the plug connection part, printed circuit board (PCB) is arranged vertically, and makes to be 90 ° of relations with the circuit board level face that injection valve is housed, and the structure of its shell will guarantee to hold reliably and safely this printed circuit board (PCB).Shell around printed circuit board (PCB) is a rigidity, and the printed circuit board (PCB) in it then is pliable and tough.
The object of the present invention is to provide a kind of device, this device can be connected the common electricity of the injection valve of a plurality of the electric excitation assemblies, particularly eletromagnetic-operating of internal-combustion engine, and be easy to make, cost is low and only occupy little room.The objective of the invention is to realize,, and the electric-conducting stem of injection valve is directly contacted with the lead of toughness printed circuit board (PCB) even flexible printed circuit board (PCB) only occupies very little space by following feature.
According to the present invention; a kind of a plurality of electric excitation devices with internal-combustion engine device that common electricity is connected is provided; this device has the electric-conducting stem that electricity is connected; also comprise the printed circuit board (PCB) that lead is housed, circuit board is laid on all exciting banks, and has protecting sheathing; shell is along the longitudinal extension of circuit board; and the part is covered with circuit board at least, it is characterized in that, the electric-conducting stem of exciting bank is directly connected on the lead of printed circuit board (PCB).
According to the present invention, the device that injection valve and toughness printed circuit board (PCB) electricity are connected is highly very little, for example has only about 15% of injection valve axial length.Realize that the height of devices that the injection valve electricity is connected reduces, help dwindling the size of internal-combustion engine significantly, and the whole internal-combustion engine size is dwindled is the target that people make great efforts always, especially is necessary to reduce the physical dimension of overall apparatus, oil nozzle and its electric engaging means of fuel distributing.
The joint of the lead that is also advantageous in that injection valve and printed circuit board (PCB) of this simple and inexpensive structure is to adopt traditional connecting means to realize as welding, welding or crimping crimping (Crimpen).
Preferably printed circuit board (PCB) is made rubber-like and extended crooked (Dehnschlaufen), the definite interval between the electric-conducting stem receiving hole of two injection valves for example, and stretch along the overall width of printed circuit board (PCB).These crooked longitudinal compensations as this printed circuit board (PCB), accurate to guarantee installation dimension, the manufacturing tolerances of the single component that it installs with printed circuit board (PCB) shell and fuel supply circuit etc. is relevant with different thermal expansion coefficient.
Another preferred version is that the printed circuit board (PCB) housing is synthetic by a plurality of segmentations, thereby the curved part of pliable and tough printed circuit board (PCB) is freely arranged.The bending that is in the printed circuit board (PCB) between each segmentation can make the length change of total device.When this device was installed on fuel conduit or the suction pipe, because printed circuit board (PCB) has curved part freely, the pliability of overall apparatus had adverse influence.Therefore when making the printed circuit board (PCB) shell, be preferably in to install additional in the curved part zone on the printed circuit board (PCB) shell and stride bridge.When mounted, the perforation of striding bridge makes the curved part safe and free, can realize above-mentioned functions, finish assembling at last after, this is striden bridge good autostability is provided.
Another suggested design of the present invention is, feed pipeline and flexible printed circuit board that injection valve is housed are closed by the lid that at least one part takes the shape of the letter U, and this lid covers the feed pipeline at least in part.This lid is for example wide with feeder sleeve, and is positioned at zone, cylndrical surface on the feeder sleeve.With the cross section of lid make to small part be U-shaped, make the electric-conducting stem of injection valve and the major part of printed circuit can put into the cavity that injection valve partly protrudes upward, so that make lid play the effect of isolating ectocine, and the fringe region of printed circuit board (PCB) can directly be contacted with this lid.Adopting multiple mode to realize as fixedly connected between the shell of lid and the feed, for example do not have the Placement of link, can be friction welding, and seam weldering or ultrasonic welding, and riveted joint are threaded or bolt connects.
Can before assembled printed circuit boards, provide sealing completely in addition to pliable and tough circuit board.This Sealing is as being made by rubber, and it hardens on this printed circuit board (PCB) with combining closely.The installation of this overall assembly is simpler than single parts general assembly.When mounted Sealing is embedded in the seal groove in the feeder sleeve.
Engage accompanying drawing below and further specify embodiments of the invention.
Fig. 1 represents to have the flexible printed circuit board of the injection valve of contacting;
Fig. 2 represents a tip side daughter board, has the housing of a coating printed circuit board (PCB);
Fig. 3 represents a flexible printed circuit board (PCB), has the injection valve and the through hole of connection, is used for fixing total tip side daughter board;
Fig. 4 represents one by the synthetic printed circuit board (PCB) shell of a plurality of segmentations with comprise the tip side daughter board that the printed circuit board (PCB) of curved part constitutes;
Fig. 5 represents the localized axial sectional drawing of an injection valve, and it is fixed on the pliability printed circuit board (PCB);
Fig. 6 represents the localized axial sectional drawing of an injection valve, and it is fixed on the pliability printed circuit board (PCB), has a cover-plate type shell;
Fig. 7 represents and oil feed line tip side daughter board together;
Fig. 8 represents the sectional view that VIII-the VIII line is cut open along Fig. 7 circuit board plane;
Fig. 9 represents to have the flexible printed circuit board that vulcanizes filler;
Figure 10 represents the sectional view of X-X line of cutting open along the top cover of the part U-shaped of Fig. 7; With
Figure 11 represents the sectional view of XI-XI line of cutting open along the full U-shaped top cover of Fig. 7.
Fig. 1 to 11 is embodiments of apparatus of the present invention, be used to realize the common electricity of a plurality of electric excitation devices is connected, the injection valve that is particularly useful for eletromagnetic-operating, these injection valves for example are used to mix internal-combustion engine compression, external igniting, apparatus of the present invention are mainly realized the electric contact connection of injection valve 2 by a pliability printed circuit board (PCB) 1, with a printed circuit board (PCB) shell 3, this symbol is also represented the tip side daughter board.Electric installation can adopt cheese stick and electric ignition spark plug etc.
Fig. 1 represents the first order electric contact connection of each injection valve 2 on the pliable and tough printed circuit board (PCB) 1.Adopt conventional manufacture method on printed circuit board (PCB) 1, to form the lead 5 of conduction, in brief, 1. form matrix coating, 2. carry out photolithograph and handle, 3. realize the conductor imaging, 4. remove coating by etching with exposure and this coating that extends with lacquer.Can utilize the coating process of various maturations to make conductor line 5.The deciding factor that forms conductor line 5 is its geometric position on printed circuit board (PCB) 1, and printed circuit board (PCB) 1 is long narrow bar shaped, and its width approximates the diameter of injection valve 2 greatly.One end of printed circuit board (PCB) 1 has a connector 7, and it guides lead 5 into, and by the control of a not shown controller realization to injection valve 2.
Provide the situation that 4 injection valves 2 are housed among the figure,, need vertically to dispose 5 leads 5, do not contact mutually between them along printed circuit board (PCB) 1 in order to realize independent control to them.First lead 5a extends along the almost total length of printed circuit board (PCB) 1, and four all injection valves 2 all are connected with this first lead 5a.Other four lead 5b, 5c and 5d, 5e are parallel to the first lead 5a and stretch, but the contact of respectively receiving an injection valve 2.So the second lead 5b is connected with the contact of first injection valve 2, its length is almost identical with the first lead 5a, and lead 5c, the length of 5d and 5e reduces successively according to its distance that reaches injection valve 2 in succession.Lead 5b, 5c, the layout of 5d and 5e will guarantee the contacting of injection valve 2, therefore they begin all to remain same spacing with the first lead 5a from the terminal of connector 7, and lead 5b at least wherein, 5c and 5d have one and become the folding part and divide 6, or a flex point that departs from the first lead 5a.
Printed circuit board (PCB) 1 has a plurality of electric-conducting stem receiving holes 8 that make injection valve 2 contactings.The electric-conducting stem 9 of injection valve 2 stretches out from the electric-conducting stem receiving hole 8 of printed circuit board (PCB) 1, and this electric-conducting stem passes from electromagnetic wire Figure 10 (Fig. 5 and 6) of injection valve 2, and by these electromagnetic coil 10 excitations.Leave electric-conducting stem receiving hole 8 during wiring 5 on making circuit board, be obstructed to contact avoiding after.Having on the printed circuit board (PCB) 1 under the situation of four injection valves 2, each injection valve has two electric-conducting stems 9, so have 8 electric-conducting stem receiving holes 8.Wherein the installing space by injection valve 2 has four electric-conducting stem receiving holes 8 on the first lead 5a, and lead 5b, 5c, 5c and 5e respectively terminate in an electric-conducting stem receiving hole 8.Two the electric-conducting stem receiving holes 8 that are used for two electric-conducting stems 9 of an injection valve 2 respectively are contained in the circuit board 1 with a fixing spacing, have guaranteed that electric-conducting stem 9 well inserts in the injection valves 2.The electric-conducting stem 9 of injection valve 2 can adopt welding with being electrically connected of 5 in the lead of circuit board 1, and welding or crimping crimping method realize, or adopt unjointed extruding to realize.Can expect that if thoroughly do away with the pliable and tough circuit board 1 that the edge cable replaces having lead 5 with one, then this cable and the injection valve 2 before plastics inject housing are common constitutes a unsettled system.
In the embodiment who recommends, printed circuit board (PCB) 1 elastic curved section 13, it and separates layout separately on the whole width of printed circuit board (PCB) 1, and keeps same span between the electric-conducting stem receiving hole 8 of two injection valves 2.These curved part branches 13 are used for the linear expansion compensation of circuit board 1, this circuit board 1 fixedly installs on the tip side daughter board, the existence of these curved sections is necessary, guaranteeing that one installs accurately, it is with relevant by the manufacturing tolerances of the circuit 1 of circuit board housing 3 local coatings and different thermal expansion coefficient at least.The connector 7 that has five utmost points in this example is connected with the lead 5 of circuit board 1 in a usual manner, for example adopts welding manner.
Fig. 2 represents an embodiment of the printed circuit board (PCB) shell 3 made by the plastics die castings.This shell extends along the whole length of printed circuit board (PCB) 1, and fully with its coating.In order to simplify Shooting Technique, circuit board housing 3 and connector shell 15 integral body can be made, so that envelope connector 7 simultaneously.For the tip side daughter board that will be made of circuit board 1, circuit board housing 3, connector 7 and connector shell 15 contact with injection valve 2 is installed on the suction pipe of not shown fuel charge pipe or internal-combustion engine, provide multiple possibility among Fig. 2.A suitable simple embodiment provides a bolt and connects, it can be by penetrating circuit board housing 3 and vertically realizing with the hole 16 that constant spacing separates along circuit board 1, the electric-conducting stem 9 of injection valve 2 must be avoided in these holes, and is threaded in these holes 16, so that the fixing suction pipe that is inserted.The physical dimension in the hole 16 in the related circuit plate shell 3 must with the consistent size of through hole 17 on the printed circuit board (PCB) 1.
Adopt this means of fixation, then must change the trend of lead 5 among Fig. 1.That is to say that lead 5 is not to get around this through hole abreast to lay at least, in order to avoid be in contact with one another between each lead 5 in the scope (Fig. 3) at through hole 17 places of circuit board 1.This irregular being laid in of lead 5 is easy to make at present, and can help to realize the corresponding installation requirement of tip side daughter board.Except being drilled with on the tip side daughter board the method for tapped hole, also can expect other installation methods, for example adopt on the suction pipe of additional pairing anchor clamps 18 or internal-combustion engine existing anchor clamps that the contact terminal plate holder is tight.Using under the situation of this pairing anchor clamps 18, can save through hole 17 on the circuit board 1 and the hole 16 on the circuit board housing 3 fully.
Fig. 4 has provided the another kind of moulding embodiment who is different from Fig. 2.That exist in the present embodiment and have parts same among same function and embodiment Fig. 1-3 and adopt same label.In this embodiment, printed circuit board (PCB) shell 3 is divided into multistage, and its curved section 13 does not have the such plastics die castings of circuit board 1.Circuit board 1 exposed curved section 13 can realize that the linear expansion of whole tip side daughter board changes.This means, can regulate according to the thermal expansion coefficient of plastic circuit board shell 3 and the thermal expansion coefficient of internal-combustion engine metal suction pipe, and guarantee accurate in size installation.Curved section 13 also is used to the heat load that compensates manufacturing tolerances and produce between different raw material, thereby the single split 19 of circuit board housing 3 is realized the linear expansions compensation, then make the installation quality of tip side daughter board and accurately the location be protected.
When being assembled into the tip side daughter board on fuel charge pipe or the suction pipe, the existence of the curved section 13 on the circuit board 1, the softness of the segmentation 19 of circuit board housing 3 and total assembly is quenchable.This that is to say, when making circuit board housing 3, thereon with respect in the scope of curved section 13 together die casting go out to stride bridge 20.This strides bridge 20 is the short links that connect the segmentation 19 of per two circuit board housing 3, their paired mounting, and can not exceed outside the width of circuit board housing 3.When the through hole of striding bridge 20 is in place, for the general assembly of tip side daughter board provides good autostability.To stride bridge and successively be contained on the single curved section 13, and curved section 13 is exposed fully, so that realize above-mentioned functions.
Fig. 5 is the partial longitudinal section of an injection valve 2, and it is fixed on the flexible printed circuit board (PCB) 1, and circuit board 1 is coated by circuit board housing 3.This circuit board housing 3 for example has an external frame with the level, and it is stretched over the last seal ring 22 of injection valve 2 always.Last seal ring 22 and lower seal 23 be common to realize the sealings of injection valve 2 in fuel charge pipe (not shown), and fuel is supplied with the plug-in mounting bottom within it formula injection valve 2 of feeding by feeder sleeve.Fuel enters within the injection valve 2 through a filter screen 24, and is subjected to the control of electromagnetic coil 10, causes the connection and the closed circulation of injection valve 2, produces igniting and sprays.Among the embodiment shown in Figure 5, the part that electric-conducting stem 9, printed circuit board (PCB) 1 and injection valve 2 are positioned on the seal ring 22 directly and fully is inserted in plastics die casting circuit board housing 3.
Fig. 6 represents a local longitudinal section of the injection valve 2 of further embodiment of this invention, it is fixed on the pliable and tough printed circuit board (PCB) 1, and the fuel charge part 28 that repeatedly relates to described in Fig. 6 can be independently parts or belong to an assembly of internal-combustion engine suction pipe.This feed spare 28 is to constitute like this, and injection valve 2 can be inserted in the circular cone type opening 29, and this opening is concentric with the longitudinal axis 25 of injection valve 2.Two seal rings 22 and 23 lean against on the inwall of opening 29 after in fuel distributing spare 28 that injection valve 2 is packed into, to realize the sealing of injection valve 2 and external environment condition.
In this embodiment, valve chest lid 30 is made of plastics, and electric-conducting stem 9 passes from the top of injection valve 2, and this valve chest lid 30 adopts the top cover shape, and has a conical external frame, and it and the valve longitudinal axis 25 are provided with one heart.In the axial direction, this valve chest lid 30 is buckled in or is pressed on the valve body 31 of injection valve 2, and its outer rim reaches till the top of seal ring 22 always, and constitutes a groove 33 in interface 32 down by it there, and last seal ring 22 is located in this groove.Have a convex shoulder 35 above the opening 29 of feed spare 28, it is used for sutaining valve housing lid 30 and total injection valve 2.Keeping flat the pliability printed circuit board (PCB) 1 that electrically contacts with electric-conducting stem 9 on the interface 36 on the valve chest lid 30, its width extends on the upper surface 37 of feed spare 28 always.
The feed spare 28 that accommodates injection valve 2 integral body is sealed by a local at least top cover 39 with U-shaped cross section with the printed circuit board (PCB) 1 that is connected with them, and this top cover covers on the upper surface 37 of feed spare 28 at least in part.In the present embodiment, equal the width at upper surface 37 places of feed spare 28 just as the width of the top cover 39 of device housings.At least the part of top cover 39 is the structure in U-shaped cross section; make the most of printed circuit board (PCB) 1 on electric-conducting stem 9 and the injection valve 2 can upwards be positioned at a cavity 40; thereby these devices are hedged off from the outer world under top cover 39 protections, and top cover 39 also directly cover in the periphery of circuit board 1.Sealing gasket 41 of sclerosis on the whole periphery of printed circuit board (PCB) 1, this pad embeds in the seal groove 42 that forms on feed spare 28 upper surfaces 37.Sealing gasket 41 can see that it not only is formed on a side of circuit board 1 along the direction that extends axially of injection valve 2, and forms around the opposite side periphery of circuit board 1.In Fig. 9, can see that printed circuit board (PCB) 1 has the sealing gasket 41 of a prevulcanization.Install after the injection valve 2, form fixedly connected between top cover 39 and the feed spare 28, and pliable and tough circuit board 1 can adopt several different methods to finish.Therefore can add connected element is connected together two assembly friction weldings, seamless weldering or ultrasonic welding.In addition, also can adopt the joint method 45 that has nothing to do with material to realize the interlocking of these two assemblies, for example riveting, bolt connect or utilize pin to connect.
Fig. 7 and Fig. 8 have showed the feed spare 28 that comprises injection valve 2 and pliable and tough printed circuit board (PCB) 1 partly.The parts label that plays same purpose in the present embodiment in used label and the previous embodiment is identical.Be that with the embodiment's who is showed among Fig. 1 to 5 difference as seeing among Fig. 6, injection valve 2 half-twists are installed.So the electric-conducting stem 9 along the vertical appreciable injection valve 2 of circuit board 1 is not to stretch out circuit board 1 abreast, but ground, front and back stretches out on the circuit board.Variation on this space does not cause the variation on the function.In this embodiment, change has also taken place in the structure that has the connector 7 of connector lid 15, and it is the part of feed spare 28.Circuit board 1 is received the welded eye 47 that has on the end of connector 7 with lead 5 couplings, joins so that have an end and lead 5 one ends of the guide rod 48 of right angle flex point, and the other end of guide rod 48 is directly connected on the connector 7.For the variation on the compensating length, suitable is establishes curved part 13 between the tie point of the guide rod 9 of each injection valve 2 and circuit board 1, allow to use material like this with different heat expansion coefficient, these crimps are formed in feed spare 28 inner groovies 49, they place in this groove, can not be subjected to extraneous the damage.In feed spare 28, along circuit board 1 and feed spare 28 vertically be laid with a feeder sleeve 50, in feed spare 28, provide and being communicated with of the opening 29 of injection valve 2.All injection valve 2 required fuel are fed by feeder sleeve 50, correspondingly these fuel by delivery valve 2 electrical controls after igniting spray.
Along the view shows that VIII-the VIII line is cut open of the circuit board plane of Fig. 7 in Fig. 8.Can see compressing bolt (Zapfen) 53 that it has a circle and lacks tee section, belongs to the part of top cover 39 from this section.In the zone of each injection valve 2, on top cover 39, all form two and compress bolt 53, they stretch out top cover 39 along the direction of injection valve 2, the prolongation smooth walls 56 of at least one cavity 40 of its plane 54 expression top covers 39.Compressing the space 55 of bolt 53 in circuit board 1 of top cover 39 passed, and is pressed on the upper surface 36 of valve chest lid 30 of injection valve 2.Space 55 has the circle same with compressing bolt 53 and lacks section configuration in circuit board 1, this can find out obviously that in Fig. 9 they have good matching relationship, only remaining very little space.During internal combustion engine operation, because machine vibration and at the active force of last seal ring 22 and 23 plane difference of lower seal may cause the dislocation of injection valve 2.Be pressed in by the bolt 53 that compresses that this measure can overcome this defective fully on the injection valve 2 with top cover 39.
Printed circuit board (PCB) 1 among Fig. 9 does not have lead, is vulcanizing treatment around the seal ring 41 of this circuit board 1 periphery.Elder generation forms circuit board 1 and around the rubber seal on it 41, is connected with injection valve 2 then on making, and constitutes assemblies of combining closely in the feed spare 28 of packing into.Therefore the installation of such assembly is much simpler than the assembling of each single parts of traditional product.In feed spare 28, at first injection valve 2 is inserted in the corresponding opening 29, then will be contained on the injection valve 2 by the assembly that printed circuit board (PCB) 1 and seal ring 41 constitute.Be electrically connected then, the conductive contact of injection valve 2 be connected with the lead 5 of circuit board 1, and circuit board 1 is electrically connected with the connector 7 that has terminal connecting rod 48, will put into the seal groove 42 of feed spare 28 around the circuit board 1 of seal ring 41 simultaneously.
Figure 10 and 11 is along the top cover 39 hatching X-X of Fig. 7 and the sectional drawing of XI-XI.Figure 10 represents first embodiment of cavity 40.The all corresponding cavity 40 that is positioned on injection valve 2 and the feed spare 28 and limits by top cover 39 of each injection valve 2.Each cavity 40 is not communicated with mutually, but is separated by the material of the top cover 39 that pushes up printed circuit board (PCB) 1.Cavity 40 is circular, and the last seal ring 22 of they and injection valve 2 has roughly the same diameter, but respectively has the bolt of compressing 53 on the direction that injection valve 2 extends, and compresses bolt and passes bolt space 55 in the circuit board 1, and it has mild wall 56.The round structure of cavity 40 also provides circle to lack the external frame that shape compresses bolt 53, as shown in phantom in FIG..The level and smooth wall 56 of cavity 40 forwards the plane 54 that compresses bolt 53 to and constitutes a plane.
In Figure 11, provided the another embodiment of cavity 40, promptly a big cavity 40 extends in top cover 39.So 39 need of top cover are placed on the outer rim of printed circuit board (PCB) 1 and get final product.The cavity 40 of top cover 39 will only be limited by planar wall 57.Among this figure also the circle that compresses the bolt space 55 on bolt 53 and the circuit board 1 that provided on the top cover 39 of with dashed lines lack the shape profile.
Claims (19)
1. with the common electric device of connecting of a plurality of electric excitation devices of internal-combustion engine; have the electric-conducting stem that electricity is connected; also comprise the printed circuit board (PCB) that lead is housed; this circuit board is laid on all exciting banks; and having protecting sheathing, this shell is along the longitudinal extension of circuit board, and the part is covered with circuit board at least; it is characterized in that the electric-conducting stem of exciting bank (9) is directly connected on the lead (5) of printed circuit board (PCB) (1).
2. according to the device of claim 1, it is characterized in that, the elastic bending part (13) of the linear expansion of this device of compensation is housed in circuit board (1).
3. according to the device of claim 1, it is characterized in that the electric-conducting stem of exciting bank (9) is inserted in the electric-conducting stem receiving hole (8) of circuit board (1), and be connected with lead (5) by melting welding (Schwei β en).
4. according to the device of claim 1, it is characterized in that the electric-conducting stem of exciting bank (9) is inserted in the electric-conducting stem receiving hole (8) of circuit board (1), and be connected with lead (5) by soldering (Loten).
5. according to the device of claim 1, it is characterized in that the electric-conducting stem of exciting bank (9) is inserted in the electric-conducting stem receiving hole (8) of circuit board (1), and be connected with lead (5) by the crimping crimping.
6. according to the device of claim 1, it is characterized in that shell (3) has hole (16), circuit board (1) has through hole (17), and they are affixed on the internal combustion by bolt.
7. according to the device of claim 1, it is characterized in that connector (7) is fixed on the printed circuit board (PCB) (1).
8. according to the device of claim 2, it is characterized in that shell (3) is made of the segmentation consistent with the quantity of exciting bank (19), each curved section (13) of the circuit board (1) between two segmentations (19) exposes.
9. device according to Claim 8 is characterized in that, the segmentation (19) of shell (3) is separable, and they are interconnected on the internal-combustion engine before assembling by striding bridge (20).
10. according to the device of claim 1, it is characterized in that shell (3) envelopes printed circuit board (PCB) (1) fully from each side.
11. the device according to claim 10 is characterized in that, shell (3) is a plastic injection piece.
12. the device according to claim 1 is characterized in that, shell (3) is made of a top cover (39), and its gland departs from the surface of exciting bank at printed circuit board (PCB) (1).
13. the device according to claim 12 is characterized in that, has a U-shaped cross section at least as the top cover (39) of shell (3) on the zone of exciting bank.
14. the device according to claim 12 is characterized in that, has to compress bolt (53) on the top cover (39) as shell (3), it is pressed onto on the exciting bank by circuit board (1), and makes exciting bank be fixed on desired position.
15. the device according to claim 1 or 12 is characterized in that, circuit board (1) is centered on by a sealing gasket (41).
16. the device according to claim 15 is characterized in that, sealing gasket (41) is to vulcanize on printed circuit board (PCB) (1).
17. the device according to claim 12 is characterized in that, this exciting bank constitutes injection valve (2), and they are contained in the feed spare (28) that has for fuel pipe (50), and circuit board (1) is clipped between feed spare (28) and the top cover (39).
18. the device according to claim 17 is characterized in that, a connector (7) is housed on feed spare (28), the lead (5) of it and circuit board (1) is electrically connected.
19. the device according to claim 17 is characterized in that, has a seal groove (42) on feed spare (28), the circuit board (1) that has sealing gasket (41) embeds in this groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95102681A CN1061413C (en) | 1995-02-03 | 1995-02-03 | Device for the common electrical contacting of a plurality of electrically excitable aggregates of internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95102681A CN1061413C (en) | 1995-02-03 | 1995-02-03 | Device for the common electrical contacting of a plurality of electrically excitable aggregates of internal combustion engines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1128323A CN1128323A (en) | 1996-08-07 |
| CN1061413C true CN1061413C (en) | 2001-01-31 |
Family
ID=5074433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95102681A Expired - Fee Related CN1061413C (en) | 1995-02-03 | 1995-02-03 | Device for the common electrical contacting of a plurality of electrically excitable aggregates of internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1061413C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019200037A1 (en) * | 2019-01-04 | 2020-07-09 | Robert Bosch Gmbh | Device for the electrical connection of a control cable with several injection valves |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4950171A (en) * | 1989-08-11 | 1990-08-21 | Itt Corporation | Fuel injector connector system |
-
1995
- 1995-02-03 CN CN95102681A patent/CN1061413C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4950171A (en) * | 1989-08-11 | 1990-08-21 | Itt Corporation | Fuel injector connector system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1128323A (en) | 1996-08-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |