CN200993068Y - Special high flow high-precision nozzle for automobile - Google Patents
Special high flow high-precision nozzle for automobile Download PDFInfo
- Publication number
- CN200993068Y CN200993068Y CN 200620170946 CN200620170946U CN200993068Y CN 200993068 Y CN200993068 Y CN 200993068Y CN 200620170946 CN200620170946 CN 200620170946 CN 200620170946 U CN200620170946 U CN 200620170946U CN 200993068 Y CN200993068 Y CN 200993068Y
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- China
- Prior art keywords
- magnetic
- shower nozzle
- disk
- inductive device
- steering bar
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Abstract
The utility model relates to a fuel injection gear, in particular to a large flow and high precision injection gear of the injection fuel gas. The technical scheme applied by the utility model is that: a large flow and high precision nozzle particularly applied in the car is composed of a shell with an air intake port, a spray head corresponding to air intake port that is arranged at the other end of the shell a valve plug device that controls the air outflow of the air outtake hole of spray head or the air inflow of the air intake hole of the shell and is arranged between the air intake port inside the shell and the spray head. The utility model is characterized in that: valve plug device comprises a magnetic isolation guide lever with an air passage and at least two groups of magnetic induction devices that control the movement of the magnetic isolation guide lever. The utility model has overcome the defects of the existing technology but also provides a large flow and high precision nozzle particularly applied in the car that has a reasonable structure, a rapid magnetic reaction speed, a high discharge coefficient and a small pressure loss.
Description
Technical field
The utility model relates to fuel injection system, is meant the high-precision injection apparatus of big flow and the inner joint construction thereof that spray combustion gas especially.
Background technique
At present, the report of relevant fuel injection system is a lot of on magazine, we do not have to find and the approaching technology of the utility model through contrast, need in background technique, be pointed out that the injection apparatus or the nozzle of existing Electromagnetic Control especially, it mostly is provided with at current drainage liquid, so still exist certain difference with the utility model to a great extent; Some of fraction are at the injection apparatus or the nozzle of gaseous emission in addition, its internal structure and the utility model mainly exist following two differences greatly, 1, its inside all has only one group of magnetic-inductive device is set, so just exist the magnetic force problem of slow response, just can not open or close injection apparatus rapidly; 2, its suction port of the injection apparatus of existing Electromagnetic Control or shower nozzle and air outlet are that several angle is arranged between them, though can reach effect preferably aspect the control turnover gas, its flow coefficient will reduce, and pressure also can lose thereupon.
Summary of the invention
The utility model has overcome the deficiencies in the prior art, provides a kind of rational in infrastructure, and the magnetic force reaction velocity is fast, flow coefficient height, the big flow highi degree of accuracy of the novel automobile specified nozzle that the pressure loss is little.
Realize above-mentioned purpose, the utility model adopts following technological scheme: the big flow highi degree of accuracy of a kind of automobile specified nozzle, include the housing of bringing gas port into, the shower nozzle that be arranged on the housing the other end corresponding with suction port, the air outlet hole that is provided with the control shower nozzle between suction port in housing and the shower nozzle is given vent to anger or the spool device of the suction port air inlet of housing, it is characterized in that: described spool device includes at least two group magnetic-inductive devices that move every the magnetic steering bar every magnetic steering bar and control of band gas channel, described every group of magnetic-inductive device all separately independent setting have be fixed on the housing on, lower magnetic guiding loop and electromagnetic coil, all be set with antifreeze plate between the described adjacent magnetic-inductive device, described every group of magnetic-inductive device is all corresponding is provided with the disk that cooperates with it, this disk with fixedly connected every the magnetic steering bar, describedly between the lower magnetic guiding loop of disk and magnetic-inductive device, be provided with Returnning spring.By adopting such scheme, particularly adopt many group magnetic-inductive devices, can improve the magnetic force reaction velocity greatly like this, thereby can open shower nozzle rapidly, between magnetic-inductive device, be provided with antifreeze plate in addition, can prevent effectively that the magnetic force between the magnetic-inductive device from disturbing, and guarantees the work of shower nozzle.
Further setting of the present utility model is: the end face every the magnetic steering bar in the described spool device is provided with flexible rubber surface, this rubber surface cooperates the control shower nozzle to give vent to anger with the air outlet hole of shower nozzle, described spool device includes two groups of magnetic-inductive devices, between these two groups of magnetic-inductive devices, be set with an antifreeze plate, has certain spacing between the magnetic-inductive device of suction port one side of this antifreeze plate and close housing, the disk corresponding with this magnetic-inductive device is arranged in this spacing, and the difference of the width of spacing and disk thickness is greater than every the rubber surface of magnetic steering rod end surface and the distance between the shower nozzle air outlet hole.By adopting such scheme, the working surface that particularly adopts flexible rubber surface to give vent to anger as the control shower nozzle, sealing effect is relatively stable like this.
Further setting of the present utility model is: being positioned at every magnetic steering bar one side of described shower nozzle is provided with the cavity that a supplied gas flows, this cavity links to each other with the air outlet hole of shower nozzle, the described suction port that is positioned at housing one side every the magnetic steering bar is a hollow channel, this passage communicates with the suction port of housing, be connected by the inclined hole that is opened on magnetic steering bar wall between this passage and the cavity, lower magnetic guiding loop in the described close magnetic-inductive device of shell air inlet one side is provided with " L " v notch v, this breach is adjacent with the disk that this magnetic-inductive device matches, in this breach, be provided with Returnning spring, Returnning spring one end is conflicted on the shoulder rank of this breach, and the other end is conflicted on disk.Gas channel by adopting such scheme to constitute can improve flow coefficient, reduces the pressure loss.Because it is the employing such scheme is installed Returnning spring, rational in infrastructure again.
Further setting of the present utility model is: a described disk side relative with last magnetic guiding loop in the magnetic-inductive device that is fixedly connected on the magnetic steering bar is provided with the noise reduction buffer substrate tablet, the lower magnetic guiding loop in the described magnetic-inductive device offer breach with contacting on the side every the magnetic steering rod outer surface.Adopt this scheme can reduce the sound that the collision of disk and last magnetic guiding loop is sent, reduce noise; In addition the lower magnetic guiding loop in magnetic-inductive device offer breach with contacting on the side every the magnetic steering rod outer surface, can reduce the frictional force between magnetic steering bar and lower magnetic guiding loop.
Of the present utility model further the setting again is: air outlet hole one end of described close shower nozzle every the magnetic steering bar is set with unit of plastic, and the unit of plastic outer surface is enclosed with the flexible rubber face, and this flexible rubber face cooperates with the air outlet hole of shower nozzle to be controlled shower nozzle and give vent to anger.By flexible rubber bread is rolled in the unit of plastic outer surface, can absorb the impact force of the air outlet hole of shower nozzle with unit of plastic like this to the flexible rubber face, improve the working life of flexible rubber face.
Below in conjunction with accompanying drawing the utility model is done further to be provided with:
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Embodiment
As shown in Figure 1, the big flow highi degree of accuracy of a kind of automobile specified nozzle, include the housing 2 of bringing gas port 21 into, the shower nozzle 1 that be arranged on housing 2 the other ends corresponding with suction port 21, between the suction port 21 of housing 2 and shower nozzle 1, be provided with the spool device 3 that the air outlet hole 11 of control shower nozzle 1 is given vent to anger, here our the spool device 3 that need illustrate also can be used for controlling the air inlet of the suction port 21 of housing 2, it is the same that its effect is given vent to anger with control air outlet hole 11, its principle also is the same, be the simple change of some component locations, so a structure of only air outlet hole 11 of control shower nozzle 1 being given vent to anger in the utility model embodiment is described in detail.Described spool device 3 includes every magnetic steering bar 31 and controls two groups of magnetic-inductive devices 32 that move every magnetic steering bar 31,33, described every group of magnetic-inductive device all be respectively arranged with separately be fixed on the housing 2 on, lower magnetic guiding loop and electromagnetic coil, described two groups of magnetic-inductive devices 32, all be provided with antifreeze plate 34 between 33, this antifreeze plate 34 with every magnetic steering bar 31 housing 2 in ccontaining magnetic- inductive device 32,33 space is divided into two separate spaces, has certain spacing between described antifreeze plate 34 and the close magnetic-inductive device 33 of housing 2 suction ports 21 1 sides, in this spacing, be provided with the disk 36 that cooperates and can in this spacing, move with corresponding magnetic-inductive device 33 magnetic, this disk 36 with fixedly connected every magnetic steering bar 31, has certain spacing equally between the induction installation 32 of close shower nozzle 1 one sides and the shower nozzle 1 in addition, in this spacing, be provided with the disk 35 that cooperates and can in this spacing, move with corresponding magnetic-inductive device 32 magnetic equally, the width of above-mentioned two spacings and the disk 35 that is arranged in two spacings, the difference of 36 thickness is all respectively greater than the distance between the air outlet hole 11 of the rubber surface 312 of magnetic steering bar 31 end faces and shower nozzle 1, and when magnetic- inductive device 32,33 do the time spent, disk 35,36 work simultaneously, as just being adsorbed to corresponding magnetic-inductive device 32 in the present embodiment simultaneously, on 33, can guarantee that in each spacing, be provided with and corresponding magnetic-inductive device 32 like this, the disk 35 that 33 magnetic cooperate, 36 can move, and drive is moved every magnetic steering bar 31, to reach the purpose that control shower nozzle 1 air outlet hole 11 is given vent to anger.Here magnetic-inductive device also can be many groups among the utility model embodiment, and then Dui Ying drive is also just a plurality of every the disk that magnetic steering bar 31 moves, and all is spaced from each other by antifreeze plate between every group of magnetic-inductive device.In the utility model embodiment, be provided with " L " v notch v 332 near the lower magnetic guiding loop 331 in the magnetic-inductive device 33 of housing 2 suction ports 21 1 sides, this breach 332 is adjacent with the disk 36 that this magnetic-inductive device 33 matches, in this breach 332, be provided with Returnning spring 333, Returnning spring 333 1 ends are conflicted on the shoulder rank of this breach 332, the other end is conflicted on disk 36, work as the elastic force of the active force of 33 pairs of disks 36 of magnetic-inductive device like this less than spring 333, then spring 333 just can promote disk 36 under certain condition and moves forward, move every magnetic steering bar 31 thereby drive, because present embodiment is to adopt magnetic-inductive device 33 to overcome elastic force absorption disk 36, move every magnetic steering bar 31 thereby drive, open the principle of the air outlet hole 11 of shower nozzle 1; So adopt above-mentioned scheme; And we also can utilize the repulsive force of 33 pairs of disks 36 of magnetic-inductive device and the pulling force of 333 pairs of disks 36 of spring to realize above-mentioned functions in actual production, and its principle is basic identical with the foregoing description also.In the utility model embodiment, air outlet hole 11 1 ends every the close shower nozzle 1 of magnetic steering bar 31 in the described spool device 3 are set with unit of plastic 313, unit of plastic 313 outer surfaces are enclosed with flexible rubber face 312, this flexible rubber face 312 cooperates control shower nozzle 1 whether to give vent to anger with the air outlet hole 11 of shower nozzle 1, by flexible rubber face 312 being wrapped in unit of plastic 313 outer surfaces, can make full use of the impact force that unit of plastic 313 absorbs 11 pairs of flexible rubber faces 312 of air outlet hole of shower nozzle 1 like this, improve the working life of flexible rubber face 312, and can reach good sealing effect, in the utility model, also can utilize other material to reach this effect certainly.During the utility model is implemented, being positioned at every magnetic steering bar 31 1 sides of described shower nozzle 1 is provided with the cavity 12 that a supplied gas flows, this cavity 12 links to each other with the air outlet hole 11 of shower nozzle 1, the described suction port that is positioned at housing 2 21 1 sides every magnetic steering bar 31 are hollow channel 311, this passage 311 communicates with the suction port 21 of housing 2, be connected by the inclined hole 314 that is opened on magnetic steering bar 31 walls between this passage 311 and the cavity 12, gas just can pass through suction port 21 successively like this, passage 311, inclined hole 314 enters in the cavity 12 of shower nozzle 1, at this time work as magnetic-inductive device 33 and overcome elastic force work, then separate with the air outlet hole 11 of shower nozzle 1 every the rubber surface 312 of magnetic steering bar 31, then gas just can be discharged from air outlet hole 11, when magnetic-inductive device 33 release disks 36, spring 333 effects, then stop up air outlet hole 11 on the air outlet hole 11 that the rubber surface 312 of magnetic steering bar 31 is conflicted at shower nozzle 1, gas just rests in the cavity 12 of shower nozzle 1.In the utility model in order to reduce the sound that 37,38 collisions of disk 35,36 and last magnetic guiding loop are sent, reduce noise, last magnetic guiding loop 37, the 38 relative sides in described disk 35,36 and the magnetic- inductive device 32,33 that is fixedly connected on magnetic steering bar 31 are provided with noise reduction buffer substrate tablet 41,42.In addition, lower magnetic guiding loop 321 in magnetic-inductive device 32 offer breach 322 on the side with contacting every magnetic steering bar 31 outer surfaces, its objective is the frictional force that can reduce between magnetic steering bar 31 and lower magnetic guiding loop 321, at last, both play the problem of whether giving vent to anger of the air outlet hole 11 of extension and contraction control shower nozzle 1 every magnetic steering bar 31 in the utility model, played the problem of the magnetic force phase mutual interference between the isolated magnetic induction installation 32,33 again.
Claims (5)
1, the big flow highi degree of accuracy of a kind of automobile specified nozzle, include the housing of bringing gas port into, the shower nozzle that be arranged on the housing the other end corresponding with suction port, the air outlet hole that is provided with the control shower nozzle between suction port in housing and the shower nozzle is given vent to anger or the spool device of the suction port air inlet of housing, it is characterized in that: described spool device includes at least two group magnetic-inductive devices that move every the magnetic steering bar every magnetic steering bar and control of band gas channel, described every group of magnetic-inductive device all separately independent setting have be fixed on the housing on, lower magnetic guiding loop and electromagnetic coil, all be set with antifreeze plate between the described adjacent magnetic-inductive device, described every group of magnetic-inductive device is all corresponding is provided with the disk that cooperates with it, this disk with fixedly connected every the magnetic steering bar, describedly between the lower magnetic guiding loop of disk and magnetic-inductive device, be provided with Returnning spring.
2, the big flow highi degree of accuracy of automobile specified according to claim 1 nozzle, it is characterized in that: the end face every the magnetic steering bar in the described spool device is provided with flexible rubber surface, this rubber surface cooperates the control shower nozzle to give vent to anger with the air outlet hole of shower nozzle, described spool device includes two groups of magnetic-inductive devices, between these two groups of magnetic-inductive devices, be set with an antifreeze plate, has certain spacing between the magnetic-inductive device of suction port one side of this antifreeze plate and close housing, the disk corresponding with this magnetic-inductive device is arranged in this spacing, and the difference of the width of spacing and disk thickness is greater than every the rubber surface of magnetic steering rod end surface and the distance between the shower nozzle air outlet hole.
3, the big flow highi degree of accuracy of automobile specified according to claim 2 nozzle, it is characterized in that: being positioned at every magnetic steering bar one side of described shower nozzle is provided with the cavity that a supplied gas flows, this cavity links to each other with the air outlet hole of shower nozzle, the described suction port that is positioned at housing one side every the magnetic steering bar is a hollow channel, this passage communicates with the suction port of housing, keep normal open state by the inclined hole that is opened on magnetic steering bar wall between this passage and the cavity, lower magnetic guiding loop in the described close magnetic-inductive device of shell air inlet one side is provided with " L " v notch v, this breach is adjacent with the disk that this magnetic-inductive device matches, in this breach, be provided with Returnning spring, Returnning spring one end is conflicted on the shoulder rank of this breach, and the other end is conflicted on disk.
4, according to claim 1 or the big flow highi degree of accuracy of 2 or 3 described automobile specified nozzle, it is characterized in that: a described disk side relative with last magnetic guiding loop in the magnetic-inductive device that is fixedly connected on the magnetic steering bar is provided with the noise reduction buffer substrate tablet, the lower magnetic guiding loop in the described magnetic-inductive device offer breach with contacting on the side every the magnetic steering rod outer surface.
5, according to claim 2 or the big flow highi degree of accuracy of 3 described automobile specified nozzle, it is characterized in that: air outlet hole one end of described close shower nozzle every the magnetic steering bar is set with unit of plastic, the unit of plastic outer surface is enclosed with the flexible rubber face, and this flexible rubber face cooperates the control shower nozzle to give vent to anger with the air outlet hole of shower nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620170946 CN200993068Y (en) | 2006-12-13 | 2006-12-13 | Special high flow high-precision nozzle for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620170946 CN200993068Y (en) | 2006-12-13 | 2006-12-13 | Special high flow high-precision nozzle for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200993068Y true CN200993068Y (en) | 2007-12-19 |
Family
ID=38946145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620170946 Expired - Fee Related CN200993068Y (en) | 2006-12-13 | 2006-12-13 | Special high flow high-precision nozzle for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200993068Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372927B (en) * | 2008-09-01 | 2010-04-14 | 济南威度电子科技有限公司 | Internal-combustion engine gas fuel injection apparatus and control device thereof |
| CN102114306B (en) * | 2009-12-31 | 2013-05-08 | 北京谊安医疗系统股份有限公司 | Gas pressure alarm device |
-
2006
- 2006-12-13 CN CN 200620170946 patent/CN200993068Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372927B (en) * | 2008-09-01 | 2010-04-14 | 济南威度电子科技有限公司 | Internal-combustion engine gas fuel injection apparatus and control device thereof |
| CN102114306B (en) * | 2009-12-31 | 2013-05-08 | 北京谊安医疗系统股份有限公司 | Gas pressure alarm device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071219 Termination date: 20101213 |